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78 Commits

Author SHA1 Message Date
Andreas Gustafsson
dec7e52a8b regenerated HTML 2001-01-17 20:48:40 +00:00
Andreas Gustafsson
fb4d841853 685. [bug] nslookup should use the search list/domain options
from resolv.conf by default. [RT #405, #630]
2001-01-17 19:37:37 +00:00
Andreas Gustafsson
50a61b62b3 updated for 9.1.0 2001-01-17 19:11:33 +00:00
Andreas Gustafsson
4f1dc76ae1 added --- 9.1.0 released --- line 2001-01-17 18:57:39 +00:00
Andreas Gustafsson
570750713e bumped to 9.1.0 2001-01-17 18:57:08 +00:00
Andreas Gustafsson
268c38992c pullup:
687.   [bug]           Only say we have IPv6, with sufficent functionality,
                        if it has actually been tested.  [RT #586]
2001-01-17 17:30:50 +00:00
Brian Wellington
02fe70191c pullup:
the rrset-order example had a typo.
2001-01-17 02:45:14 +00:00
Andreas Gustafsson
767919f75d pullup:
652.   [bug]           zone_saveunique() did not report the new name.
                        [RT #668]
2001-01-17 00:19:50 +00:00
Andreas Gustafsson
52469521f0 pullup:
652.   [bug]           zone_saveunique() did not report the new name.
2001-01-17 00:19:01 +00:00
Brian Wellington
4904a3a12d pullup:
race condition [RT #670]
2001-01-16 23:25:16 +00:00
Andreas Gustafsson
10ca4ff351 typo 2001-01-16 23:00:01 +00:00
Andreas Gustafsson
43eb82666d pullup:
650.   [bug]           SIG(0) records were being generated and verified
                        incorrectly. [RT #606]
2001-01-16 22:38:42 +00:00
Brian Wellington
eaedbce579 pullup:
removed redundant error check [RT #669]
2001-01-16 22:30:55 +00:00
Andreas Gustafsson
06d37959ab regenerated HTML 2001-01-16 21:14:00 +00:00
Andreas Gustafsson
311c8d03fa expanded treatment of stub zones 2001-01-16 21:13:55 +00:00
Andreas Gustafsson
188cc74edf note that stub zones are only partially supported 2001-01-16 20:45:42 +00:00
Andreas Gustafsson
9fc9a94a2f added section 6. No Information Leakage between Zones 2001-01-16 20:36:06 +00:00
Andreas Gustafsson
02f19fbd8e pullup:
682.   [bug]           nslookup displayed SOA records incorrectly. [RT #665]
2001-01-16 18:20:11 +00:00
Andreas Gustafsson
04ca63661a pullup:
684.   [bug]           Memory leak with view forwarders. [RT #656]
2001-01-16 18:12:08 +00:00
Andreas Gustafsson
966d673d66 pullup:
683.   [bug]           File descriptor leak in isc_lex_openfile().
2001-01-16 17:49:53 +00:00
Andreas Gustafsson
3f1b1020d9 pullup:
680.   [bug]           dns_rdata_fromstruct() mis-handles options bigger
                        than 255 octets.
2001-01-16 17:45:27 +00:00
Andreas Gustafsson
4f6b82d5aa pullup:
681.   [bug]           $GENERATE specifying output format was broken. [RT#653]
2001-01-16 17:43:55 +00:00
Brian Wellington
dea7c1ecd4 pullup:
#675 was a bug, not a func.
2001-01-13 01:57:10 +00:00
Andreas Gustafsson
5a57443c63 added "--- 9.1.0rc1 released ---" line 2001-01-13 00:12:24 +00:00
Andreas Gustafsson
c7632b2f48 updated for 9.1.0rc1 2001-01-13 00:09:37 +00:00
Brian Wellington
f17554deb0 pullup:
head is not in the default path on irix, but sed is
2001-01-13 00:05:55 +00:00
Andreas Gustafsson
7ae8d0386f pullup:
677.   [bug]           dnssec-signzone would occasionally use the wrong ttl
                        for database operations and fail. [RT #643]
2001-01-12 23:44:02 +00:00
Brian Wellington
562f662a03 more duplicate $Id lines 2001-01-12 20:39:12 +00:00
Brian Wellington
62d7143b97 remove duplicate $Id line 2001-01-12 20:33:17 +00:00
Brian Wellington
0bff1e596a pullup:
678.   [bug]           "tranfer-format one-answer;" could trigger an assertion
                        failure. [RT #646]
2001-01-12 20:31:14 +00:00
Brian Wellington
2d70d20dc4 pullup:
Removed unused struct member
2001-01-12 20:29:23 +00:00
Andreas Gustafsson
eff5a7ccfd pullup:
679.   [bug]           $INCLUDE could leak memory and file descriptors on
                        reload. [RT #639]
2001-01-12 20:19:00 +00:00
Andreas Gustafsson
ec72e372b8 pullup: Removed kludge for different error spaces in dns_dbtable_create(). 2001-01-12 01:04:59 +00:00
Andreas Gustafsson
9328be2f94 bumped to 9.1.0rc1 2001-01-11 21:39:54 +00:00
Brian Wellington
d2f60654d7 pullup:
if the adb had ever returned addresses of a family
other than AF_INET or AF_INET6, there would have been a memory leak
2001-01-11 20:59:57 +00:00
Brian Wellington
bd67af7e3d pullup:
yet another potential memory leak
2001-01-11 20:58:35 +00:00
Andreas Gustafsson
09ed371c7c pullup:
Fixed an uninitialized variable, removed a dead line of code, and changed
several response processing functions to not require keyrings.
2001-01-11 20:34:10 +00:00
Brian Wellington
e10f6d07f6 pullup:
676.   [bug]           Log messages about lame servers to category
                        'lame-servers' rather than 'resolver', so as not
                        to be gratuitously incompatible with BIND 8.
2001-01-11 20:06:59 +00:00
Brian Wellington
b79bf0872a pullup:
make_nonblock() errors were reported twice, and one of the instances
used the wrong errno value [RT #640]
2001-01-11 20:01:39 +00:00
Andreas Gustafsson
56b970d184 pullup:
zone_idetach() should be static.
2001-01-11 18:38:58 +00:00
Andreas Gustafsson
0804543b37 pullup:
675.   [func]          TKEY queries could cause the server to leak
                        memory.
2001-01-11 18:32:58 +00:00
Andreas Gustafsson
36dee741fb pullup:
The changes to reduce allocations in the memory code exposed the sheer
brokenness of this program.
2001-01-11 18:31:10 +00:00
Andreas Gustafsson
907b305fd0 pullup:
The usage should print named-checkzone, not zone_test.
2001-01-11 18:30:28 +00:00
Andreas Gustafsson
3ae6834c9a pullup:
isc_buffer_region -> isc_buffer_usedregion
2001-01-11 18:28:13 +00:00
Andreas Gustafsson
13b5f3d464 pullup:
The asserts in fromstruct were too strong - it's possible to have a non-NULL
key and keylen == 0 if the pointer is to a 0 byte allocation.
2001-01-11 18:24:56 +00:00
Andreas Gustafsson
4a3d1a99d7 pullup:
670.   [bug]           The lwres replacements for getaddrinfo and
                        getipnodebyname didn't properly check for the
                        existence of the sockaddr sa_len field.
2001-01-10 21:50:09 +00:00
Andreas Gustafsson
65ae6ac390 pullup 2001-01-10 18:21:43 +00:00
Brian Wellington
56ceb9db8e update copyrights on the release branch. 2001-01-09 22:53:46 +00:00
Andreas Gustafsson
831acf3232 pullup:
667.   [bug]           On Linux, running named with the -u option and a
                        non-world-readable configuration file didn't work.
                        [RT #626]
2001-01-09 19:38:00 +00:00
Brian Wellington
49da32935f pullup:
672.   [bug]           The wrong time was in the "time signed" field when
                        replying with BADTIME error.
2001-01-09 19:36:20 +00:00
Andreas Gustafsson
f03aa2d025 pullup:
clarified "subdomain" description for update-policy statement.
2001-01-09 19:05:56 +00:00
Brian Wellington
0918a266f0 pullup:
654.   [bug]           Origin was being forgotten in TCP retries in dig.
                        [RT #574]

 653.   [bug]           +defname option in dig was reversed in sense.
                        [RT #549]
(patches slighly modified)
2001-01-08 23:43:01 +00:00
Brian Wellington
48b7b8fb19 664. [bug] The t_tasks and t_timers module tests are now skipped
when building without threads, since they require
                        threads.
2001-01-08 21:01:08 +00:00
Andreas Gustafsson
bce7c42fd2 pullup:
666.   [bug]           If a request sent by dig is longer than 512 bytes,
                        use TCP.
2001-01-08 20:59:55 +00:00
Andreas Gustafsson
938a977a42 tabified 2001-01-08 19:36:11 +00:00
Andreas Gustafsson
262564cb76 added --- 9.1.0b3 released --- line 2001-01-08 19:34:34 +00:00
Brian Wellington
f682d506e4 pullup:
661. fix failed to destroy transfer object after sending response
2001-01-08 19:30:37 +00:00
Andreas Gustafsson
289b5961b3 in 661., note additional RT entries likely to be fixed by
this change, and provide less clues to DOS crackers
2001-01-08 19:08:27 +00:00
Brian Wellington
f6938dad17 pullup:
661.   [bug]           UDP IXFR requests with EDNS options caused
                        an assertion failure (mpctx->allocated == 0).
                        [RT #623]
2001-01-06 03:09:54 +00:00
Andreas Gustafsson
9a60f89086 updated for 9.1.0b3 2001-01-06 01:37:21 +00:00
Andreas Gustafsson
169c2f4094 bumped to 9.1.0b3 2001-01-06 01:35:29 +00:00
Andreas Gustafsson
e149301460 pullup:
659.   [performance]   Rewrite the name compression code to be much faster.
2001-01-06 01:33:34 +00:00
Andreas Gustafsson
f13db7a635 658. is in 9.1, too 2001-01-06 00:15:53 +00:00
Andreas Gustafsson
3aba6023de pullup:
Remove DNS_COMPRESS_GLOBAL, since the only type of global compression
is GLOBAL14
2001-01-06 00:11:23 +00:00
Andreas Gustafsson
dbe83aa9d7 regenerated HTML 2001-01-06 00:10:51 +00:00
Andreas Gustafsson
55115bffc3 pullup:
651.   [func]          The AD bit in responses now has the meaning
                        specified in <draft-ietf-dnsext-ad-is-secure>.
2001-01-05 23:50:16 +00:00
Andreas Gustafsson
f2383e8327 pullup:
657.   [bug]           When a listen-on statement in an lwres block does not
                        specifiy a port, use 921, not 53.  Also update the
                        listen-on documentation. [RT #616]
2001-01-05 23:44:56 +00:00
Brian Wellington
ed9e25e312 pullup:
647.   [bug]           Resolver queries sent after following multiple
                        referrals had excessively long retransmission
                        timeouts due to incorrectly counting the referrals
                        as "restarts".
2001-01-05 22:18:28 +00:00
Andreas Gustafsson
db55ad5320 pullup:
It was possible to join to an already running fctx
after it had "cloned" its events, but before it sent
them.  In this case, the event of the newly joined
fetch would not contain the answer, and would
trigger the INSIST() in fctx_sendevents().
[RT #597, #605, #607]
2001-01-05 22:06:19 +00:00
Andreas Gustafsson
19902e415f pullup:
647.   [bug]           Resolver queries sent after following multiple
                        referrals had excessively long retransmission
                        timeouts due to incorrectly counting the referrals
                        as "restarts".
2001-01-05 22:05:27 +00:00
Andreas Gustafsson
b761459e7b pullup: wrong result code tested 2001-01-03 23:34:54 +00:00
Andreas Gustafsson
3d28abda8b pullup:
642.   [bug]           #622 needed more work.
2001-01-03 20:45:40 +00:00
Andreas Gustafsson
e82fe0b699 pullup:
646.   [bug]           The UnixWare ISC_PLATFORM_FIXIN6INADDR fix in isc/net.h
                        didn't _cleanly_ fix the problem it was trying to fix.
2001-01-03 20:37:58 +00:00
Andreas Gustafsson
743ab113b4 pullup:
645. [port] BSD/OS 3.0 needs pthread_init(). [RT #603]
2001-01-03 20:26:47 +00:00
Andreas Gustafsson
1ce3c31379 pullup:
642.   [bug]           Break the exit_check() race in the zone module.
                        [RT #598]
+ fix lock heirachy in zone_shutdown()
2000-12-29 19:16:36 +00:00
Andreas Gustafsson
0073346086 pullup:
641.   [bug]            caused a uninitialized link to be used.
                        [RT #595]
2000-12-28 18:46:46 +00:00
Andreas Gustafsson
6491263704 pullup: reorder the pthread_create tests 2000-12-28 17:44:56 +00:00
cvs2git
65bfedf5a0 This commit was manufactured by cvs2git to create branch 'v9_1'. 2000-12-28 01:42:01 +00:00
5732 changed files with 462180 additions and 627288 deletions

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@@ -1,78 +0,0 @@
BasedOnStyle: LLVM
IndentWidth: 8
UseTab: Always
BreakBeforeBraces: Custom
BraceWrapping:
AfterClass: false
AfterEnum: false
AfterStruct: false
AfterUnion: false
AfterControlStatement: MultiLine
AfterFunction: false # should also be MultiLine, but not yet supported
AfterExternBlock: false
BeforeElse: false
BeforeWhile: false
IndentBraces: false
SplitEmptyFunction: true
AllowShortIfStatementsOnASingleLine: false
IndentCaseLabels: false
AlwaysBreakAfterReturnType: All
Cpp11BracedListStyle: false
ColumnLimit: 80
AlignAfterOpenBracket: Align
AlignConsecutiveBitFields: true
AlignConsecutiveDeclarations: false
AlignConsecutiveMacros: true
AlignTrailingComments: true
AllowAllArgumentsOnNextLine: true
AlwaysBreakBeforeMultilineStrings: false
BreakBeforeBinaryOperators: None
BreakBeforeTernaryOperators: true
AlignEscapedNewlines: Left
DerivePointerAlignment: false
PointerAlignment: Right
PointerBindsToType: false
IncludeBlocks: Regroup
IncludeCategories:
- Regex: '^<isc/'
Priority: 5
- Regex: '^<(pk11|pkcs11)/'
Priority: 10
- Regex: '^<dns/'
Priority: 15
- Regex: '^<dst/'
Priority: 20
- Regex: '^<isccc/'
Priority: 25
- Regex: '^<isccfg/'
Priority: 30
- Regex: '^<ns/'
Priority: 35
- Regex: '^<irs/'
Priority: 40
- Regex: '^<bind9/'
Priority: 45
- Regex: '^<(dig|named|rndc|confgen|dlz)/'
Priority: 50
- Regex: '^<dlz_'
Priority: 55
- Regex: '^".*"'
Priority: 99
- Regex: '^<tests/'
Priority: 100
- Regex: '<openssl/'
Priority: 1
- Regex: '<(mysql|protobuf-c)/'
Priority: 1
- Regex: '.*'
Priority: 0
IndentExternBlock: NoIndent
KeepEmptyLinesAtTheStartOfBlocks: false
MaxEmptyLinesToKeep: 1
PenaltyBreakAssignment: 30
PenaltyBreakComment: 10
PenaltyBreakFirstLessLess: 0
PenaltyBreakString: 80
PenaltyExcessCharacter: 100
Standard: Cpp11
ContinuationIndentWidth: 8

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@@ -1,66 +0,0 @@
BasedOnStyle: LLVM
IndentWidth: 8
UseTab: Always
BreakBeforeBraces: Custom
BraceWrapping:
AfterClass: false
AfterEnum: false
AfterStruct: false
AfterUnion: false
AfterControlStatement: MultiLine
AfterFunction: false # should also be MultiLine, but not yet supported
AfterExternBlock: false
BeforeElse: false
BeforeWhile: false
IndentBraces: false
SplitEmptyFunction: true
AllowShortIfStatementsOnASingleLine: false
IndentCaseLabels: false
AlwaysBreakAfterReturnType: All
Cpp11BracedListStyle: false
ColumnLimit: 80
AlignAfterOpenBracket: Align
AlignConsecutiveBitFields: true
AlignConsecutiveDeclarations: true
AlignConsecutiveMacros: true
AlignTrailingComments: true
AllowAllArgumentsOnNextLine: true
AlwaysBreakBeforeMultilineStrings: false
BreakBeforeBinaryOperators: None
BreakBeforeTernaryOperators: true
AlignEscapedNewlines: Left
DerivePointerAlignment: false
PointerAlignment: Right
PointerBindsToType: false
IncludeBlocks: Regroup
IncludeCategories:
- Regex: '^<isc/'
Priority: 2
- Regex: '^<dns/'
Priority: 3
- Regex: '^<iscccc/'
Priority: 4
- Regex: '^<isccfg/'
Priority: 5
- Regex: '^<ns/'
Priority: 6
- Regex: '^<bind9/)'
Priority: 7
- Regex: '^(<[^/]*)/)'
Priority: 8
- Regex: '^<tests/'
Priority: 10
- Regex: '<[[:alnum:].]+>'
Priority: 1
- Regex: '".*"'
Priority: 9
IndentExternBlock: NoIndent
KeepEmptyLinesAtTheStartOfBlocks: false
MaxEmptyLinesToKeep: 1
PenaltyBreakAssignment: 30
PenaltyBreakComment: 10
PenaltyBreakFirstLessLess: 0
PenaltyBreakString: 80
PenaltyExcessCharacter: 100
Standard: Cpp11
ContinuationIndentWidth: 8

7
.cvsignore Normal file
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@@ -0,0 +1,7 @@
Makefile
config.log
config.h
config.cache
config.status
libtool
isc-config.sh

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@@ -1,121 +0,0 @@
;;; Directory Local Variables
;;; For more information see (info "(emacs) Directory Variables")
((c-mode .
((eval .
(set (make-local-variable 'directory-of-current-dir-locals-file)
(file-name-directory (locate-dominating-file default-directory ".dir-locals.el"))
)
)
(eval .
(set (make-local-variable 'include-directories)
(list
;; top directory
(expand-file-name
(concat directory-of-current-dir-locals-file "./"))
;; libisc
(expand-file-name
(concat directory-of-current-dir-locals-file "lib/isc/include"))
(expand-file-name
(concat directory-of-current-dir-locals-file "lib/isc"))
(expand-file-name
(concat directory-of-current-dir-locals-file "lib/isc/netmgr"))
;; libdns
(expand-file-name
(concat directory-of-current-dir-locals-file "lib/dns/include"))
(expand-file-name
(concat directory-of-current-dir-locals-file "lib/dns"))
;; libisccc
(expand-file-name
(concat directory-of-current-dir-locals-file "lib/isccc/include"))
;; libisccfg
(expand-file-name
(concat directory-of-current-dir-locals-file "lib/isccfg/include"))
;; libns
(expand-file-name
(concat directory-of-current-dir-locals-file "lib/ns/include"))
;; libirs
(expand-file-name
(concat directory-of-current-dir-locals-file "lib/irs/include"))
;; libbind9
(expand-file-name
(concat directory-of-current-dir-locals-file "lib/bind9/include"))
;; libtest
(expand-file-name
(concat directory-of-current-dir-locals-file "tests/include"))
;; bin
(expand-file-name
(concat directory-of-current-dir-locals-file "bin/check"))
(expand-file-name
(concat directory-of-current-dir-locals-file "bin/confgen/include"))
(expand-file-name
(concat directory-of-current-dir-locals-file "bin/confgen"))
(expand-file-name
(concat directory-of-current-dir-locals-file "bin/confgen/include"))
(expand-file-name
(concat directory-of-current-dir-locals-file "bin/dig/include"))
(expand-file-name
(concat directory-of-current-dir-locals-file "bin/named/include"))
(expand-file-name
(concat directory-of-current-dir-locals-file "bin/named/unix/include"))
(expand-file-name
(concat directory-of-current-dir-locals-file "bin/rndc/include"))
(expand-file-name
(concat directory-of-current-dir-locals-file "bin/dnssec/include"))
(expand-file-name
(concat directory-of-current-dir-locals-file "bin/named/include"))
(expand-file-name
(concat directory-of-current-dir-locals-file "bin/rndc/include"))
(expand-file-name "/usr/include/libxml2")
(expand-file-name "/usr/include/json-c")
(expand-file-name "/usr/local/opt/openssl@1.1/include")
(expand-file-name "/usr/local/opt/libxml2/include/libxml2")
(expand-file-name "/usr/local/opt/json-c/include/json-c/")
(expand-file-name "/usr/local/include")
)
)
)
(eval setq flycheck-clang-include-path include-directories)
(eval setq flycheck-cppcheck-include-path include-directories)
(eval setq flycheck-gcc-include-path include-directories)
(eval setq flycheck-clang-args
(list
"-include"
(expand-file-name
(concat directory-of-current-dir-locals-file "config.h"))
)
)
(eval setq flycheck-gcc-args
(list
"-include"
(expand-file-name
(concat directory-of-current-dir-locals-file "config.h"))
)
)
(eval setq flycheck-cppcheck-args
(list
"--enable=all"
"--suppress=missingIncludeSystem"
"--suppress=nullPointerRedundantCheck"
"--suppress=preprocessorErrorDirective"
"--suppress=unknownMacro"
"--suppress=unmatchedSuppression"
(concat "-include=" (expand-file-name
(concat directory-of-current-dir-locals-file "config.h")))
)
)
)
))

13
.gitattributes vendored
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@@ -1,13 +0,0 @@
*.sln.in eol=crlf
*.vcxproj.* eol=crlf
/fuzz/dns_rdata_fromwire_text.in/input-* -text
.gitignore export-ignore
/conftools export-ignore
/doc/design export-ignore
/doc/dev export-ignore
/util/** export-ignore
/util/bindkeys.pl -export-ignore
/util/check-make-install.in -export-ignore
/util/mksymtbl.pl -export-ignore

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@@ -1,15 +0,0 @@
name: 'Lock down mirror repository'
on:
issues:
types: opened
pull_request:
types: opened
jobs:
lockdown:
runs-on: ubuntu-latest
steps:
- uses: dessant/repo-lockdown@v2
with:
github-token: ${{ github.token }}

100
.gitignore vendored
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@@ -1,100 +0,0 @@
*-symtbl.c
*.a
*.gcda
*.gcno
*.la
*.lo
*.log
*.o
*.orig
*.plist/ # ccc-analyzer store its results in .plist directories
*.rej
*.so
*.trs
*_test
*.ipch # vscode/intellisense precompiled header
*~
__pycache__/
.ccache/
.cproject
.deps/
.dirstamp
.libs/
.project
.settings
/aclocal.m4
/ar-lib
/autom4te.cache/
/bind.keys.h
/compile
/config.cache
/config.guess
/config.h
/config.h.in
/config.log
/config.status
/config.sub
/configure
/configure.lineno
/depcomp
/install-sh
/isc-config.sh
/libtool
/ltmain.sh
/m4/libtool.m4
/m4/ltargz.m4
/m4/ltdl.m4
/m4/ltoptions.m4
/m4/ltsugar.m4
/m4/ltversion.m4
/m4/lt~obsolete.m4
/missing
/py-compile
/stamp-h1
/test-driver
Makefile
Makefile.in
Makefile.user
ans.run
gen.dSYM/
named.memstats
named.run
timestamp
/compile_commands.json
# Gets generated by Build Ear (bear)
/compile_commands.commands.json
/tsan
/util/check-make-install
/INSTALL
doc/man/dnssec-cds.8in
doc/man/dnssec-checkds.8in
doc/man/dnssec-coverage.8in
doc/man/dnssec-dsfromkey.8in
doc/man/dnssec-importkey.8in
doc/man/dnssec-keyfromlabel.8in
doc/man/dnssec-keygen.8in
doc/man/dnssec-keymgr.8in
doc/man/dnssec-revoke.8in
doc/man/dnssec-settime.8in
doc/man/dnssec-signzone.8in
doc/man/dnssec-verify.8in
doc/man/named-checkconf.8in
doc/man/named-checkzone.8in
doc/man/named-journalprint.8in
doc/man/named-nzd2nzf.8in
doc/man/nsec3hash.8in
doc/man/pkcs11-destroy.8in
doc/man/pkcs11-keygen.8in
doc/man/pkcs11-list.8in
doc/man/pkcs11-tokens.8in
# clangd index directory
/\.cache/
/\.*_clangd/
# GNU Global index files
/GPATH
/GRTAGS
/GTAGS
# Emacs specific files
\.dir-locals-2.el
/emacs.desktop
/emacs.desktop-lock

File diff suppressed because it is too large Load Diff

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@@ -1,46 +0,0 @@
<!--
If the bug you are reporting is potentially security-related - for example,
if it involves an assertion failure or other crash in `named` that can be
triggered repeatedly - then please do *NOT* report it here, but send an
email to [security-officer@isc.org](security-officer@isc.org).
-->
### Summary
(Summarize the bug encountered concisely.)
### BIND version used
(Paste the output of `named -V`.)
### Steps to reproduce
(How one can reproduce the issue - this is very important.)
### What is the current *bug* behavior?
(What actually happens.)
### What is the expected *correct* behavior?
(What you should see instead.)
### Relevant configuration files
(Paste any relevant configuration files - please use code blocks (```)
to format console output. If submitting the contents of your
configuration file in a non-confidential Issue, it is advisable to
obscure key secrets: this can be done automatically by using
`named-checkconf -px`.)
### Relevant logs and/or screenshots
(Paste any relevant logs - please use code blocks (```) to format console
output, logs, and code, as it's very hard to read otherwise.)
### Possible fixes
(If you can, link to the line of code that might be responsible for the
problem.)
/label ~bug

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@@ -1,37 +0,0 @@
<!--
THIS ISSUE TEMPLATE IS INTENDED ONLY FOR INTERNAL USE.
If the bug you are reporting is potentially security-related - for example,
if it involves an assertion failure or other crash in `named` that can be
triggered repeatedly - then please do *NOT* report it here, but send an
email to [security-officer@isc.org](security-officer@isc.org).
-->
### CVE-specific actions
- [ ] Assign a CVE identifier
- [ ] Determine CVSS score
- [ ] Determine the range of BIND versions affected (including the Subscription Edition)
- [ ] Determine whether workarounds for the problem exists
- [ ] Create a draft of the security advisory and put the information above in there
- [ ] Prepare a detailed description of the problem which should include the following by default:
- instructions for reproducing the problem (a system test is good enough)
- explanation of code flow which triggers the problem (a system test is *not* good enough)
- [ ] Prepare a private merge request containing the following items in separate commits:
- a test for the issue (may be moved to a separate merge request for deferred merging)
- a fix for the issue
- documentation updates (`CHANGES`, release notes, anything else applicable)
- [ ] Ensure the merge request from the previous step is reviewed by SWENG staff and has no outstanding discussions
- [ ] Ensure the documentation changes introduced by the merge request addressing the problem are reviewed by Support and Marketing staff
- [ ] Prepare backports of the merge request addressing the problem for all affected (and still maintained) BIND branches (backporting might affect the issue's scope and/or description)
- [ ] Prepare a standalone patch for the last stable release of each affected (and still maintained) BIND branch
### Release-specific actions
- [ ] Create/update the private issue containing links to fixes & reproducers for all CVEs fixed in a given release cycle
- [ ] Reserve a block of `CHANGES` placeholders once the complete set of vulnerabilities fixed in a given release cycle is determined
- [ ] Ensure the merge requests containing CVE fixes are merged into `security-*` branches in CVE identifier order
### Post-disclosure actions
- [ ] Merge a regression test reproducing the bug into all affected (and still maintained) BIND branches

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@@ -1,11 +0,0 @@
### Description
(Describe the problem, use cases, benefits, and/or goals.)
### Request
(Describe the solution you'd like to see.)
### Links / references
/label ~"feature request"

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@@ -1,92 +0,0 @@
## Release Schedule
**Code Freeze:**
**Tagging Deadline:**
**Public Release:**
## Documentation Review Links
**Closed issues assigned to the milestone without a release note:**
- []()
- []()
- []()
**Merge requests merged into the milestone without a release note:**
- []()
- []()
- []()
**Merge requests merged into the milestone without a `CHANGES` entry:**
- []()
- []()
- []()
## Release Checklist
### Before the Code Freeze
- [ ] ***(QA)*** Inform Support and Marketing of impending release (and give estimated release dates).
- [ ] ***(QA)*** Ensure there are no permanent test failures on any platform.
- [ ] ***(QA)*** Check Perflab to ensure there has been no unexplained drop in performance for the versions being released.
- [ ] ***(QA)*** Check whether all issues assigned to the release milestone are resolved[^1].
- [ ] ***(QA)*** Ensure that there are no outstanding merge requests in the private repository[^1] (Subscription Edition only).
- [ ] ***(QA)*** Ensure all merge requests marked for backporting have been indeed backported.
- [ ] ***(QA)*** Update GitLab settings for all maintained branches to disallow merging to them.
- [ ] ***(QA)*** Announce (on Mattermost) that the code freeze is in effect.
### Before the Tagging Deadline
- [ ] ***(QA)*** Ensure release notes are correct, ask Support and Marketing to check them as well.
- [ ] ***(QA)*** Add a release marker to `CHANGES`.
- [ ] ***(QA)*** Add a release marker to `CHANGES.SE` (Subscription Edition only).
- [ ] ***(QA)*** Update BIND 9 version in `configure.ac` (9.18+) or `version` (9.16).
- [ ] ***(QA)*** Rebuild `configure` using Autoconf on `docs.isc.org` (9.16).
- [ ] ***(QA)*** Tag the releases in the private repository (`git tag -s -m "BIND 9.x.y" v9_x_y`).
### Before the ASN Deadline (for ASN Releases) or the Public Release Date (for Regular Releases)
- [ ] ***(QA)*** Check that the formatting is correct for HTML and PDF versions of release notes.
- [ ] ***(QA)*** Check that the formatting of the generated man pages is correct.
- [ ] ***(QA)*** Verify GitLab CI results for the tags created and prepare a QA report for the releases to be published.
- [ ] ***(QA)*** Update GitLab settings for all maintained branches to allow merging to them again.
- [ ] ***(QA)*** Prepare and merge MRs resetting the release notes and updating the version string for each maintained branch.
- [ ] ***(QA)*** Announce (on Mattermost) that the code freeze is over.
- [ ] ***(QA)*** Request signatures for the tarballs, providing their location and checksums.
- [ ] ***(Signers)*** Validate tarball checksums, sign tarballs, and upload signatures.
- [ ] ***(QA)*** Verify tarball signatures and check tarball checksums again.
- [ ] ***(Support)*** Pre-publish ASN and/or Subscription Edition tarballs so that packages can be built.
- [ ] ***(QA)*** Build and test ASN and/or Subscription Edition packages.
- [ ] ***(QA)*** Notify Support that the releases have been prepared.
- [ ] ***(Support)*** Send out ASNs (if applicable).
### On the Day of Public Release
- [ ] ***(Support)*** Wait for clearance from Security Officer to proceed with the public release (if applicable).
- [ ] ***(Support)*** Place tarballs in public location on FTP site.
- [ ] ***(Support)*** Publish links to downloads on ISC website.
- [ ] ***(Support)*** Write release email to *bind-announce*.
- [ ] ***(Support)*** Write email to *bind-users* (if a major release).
- [ ] ***(Support)*** Send eligible customers updated links to the Subscription Edition (update the -S edition delivery tickets, even if those links were provided earlier via an ASN ticket).
- [ ] ***(Support)*** Update tickets in case of waiting support customers.
- [ ] ***(QA)*** Build and test any outstanding private packages.
- [ ] ***(QA)*** Build public RPMs.
- [ ] ***(SwEng)*** Build Debian/Ubuntu packages.
- [ ] ***(SwEng)*** Update Docker images.
- [ ] ***(QA)*** Inform Marketing of the release.
- [ ] ***(Marketing)*** Post short note to Twitter.
- [ ] ***(Marketing)*** Update [Wikipedia entry for BIND](https://en.wikipedia.org/wiki/BIND).
- [ ] ***(Marketing)*** Write blog article (if a major release).
- [ ] ***(QA)*** Ensure all new tags are annotated and signed.
- [ ] ***(QA)*** Push tags for the published releases to the public repository.
- [ ] ***(QA)*** Merge published release tags (non-linearly) back into the their relevant development/maintenance branches.
- [ ] ***(QA)*** Sanitize confidential issues which are assigned to the current release milestone and do not describe a security vulnerability, then make them public.
- [ ] ***(QA)*** Sanitize confidential issues which are assigned to older release milestones and describe security vulnerabilities, then make them public if appropriate[^2].
- [ ] ***(QA)*** Update QA tools used in GitLab CI (e.g. Flake8, PyLint) by modifying the relevant `Dockerfile`.
[^1]: If not, use the time remaining until the tagging deadline to ensure all outstanding issues are either resolved or moved to a different milestone.
[^2]: As a rule of thumb, security vulnerabilities which have reproducers merged to the public repository are considered okay for full disclosure.

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@@ -1,35 +0,0 @@
extraction:
cpp:
prepare:
packages:
- "libxml2-dev"
- "libjson-c-dev"
- "libssl-dev"
- "zlib1g-dev"
- "libcmocka-dev"
- "pkg-config"
- "libcap2-dev"
- "libedit-dev"
- "libidn2-dev"
- "libmaxminddb-dev"
- "libuv1-dev"
- "libnghttp2-dev"
configure:
command:
- "autoreconf -fi"
- "CFLAGS=\"-Og -g\" ./configure --enable-developer"
path_classifiers:
test:
- "lib/*/tests/"
- "bin/tests/"
docs:
- "**/*.xml"
- "**/*.docbook"
- "**/*.html"
- "**/*.1"
- "**/*.5"
- "**/*.8"
queries:
- exclude: fuzz/
- exclude: "bin/tests/system/*/ans*/*.py"
- exclude: cpp/use-of-goto

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@@ -1,9 +0,0 @@
[MASTER]
disable=
C0103, # invalid-name
C0114, # missing-module-docstring
C0115, # missing-class-docstring
C0116, # missing-function-docstring
C0209, # consider-using-f-string
C0415, # import-outside-toplevel
R0801, # duplicate-code

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@@ -1,186 +0,0 @@
Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: BIND 9
Upstream-Contact: Internet Systems Consortium, Inc. ("ISC") <info@isc.org>
Source: https://gitlab.isc.org/isc-projects/bind9/
#
# Build system, data files from tests, and misc cruft
#
Files: **/*.after*
**/*.bad
**/*.batch
**/*.before*
**/*.ccache
**/*.good
**/*.key
**/*.pem
**/*.private
**/*.raw
**/*.saved
**/*.zonelist
**/*dig.out*
**/Makefile
**/Makefile.*
**/testdata/*
.github/*
.gitlab/*
AUTHORS
CHANGES
COPYRIGHT
Makefile
Makefile.*
bin/tests/system/checkzone/zones/bad-caa-rr.db
bin/tests/system/checkzone/zones/bad1.db
bin/tests/system/checkzone/zones/crashzone.db
bin/tests/system/dnstap/large-answer.fstrm
bin/tests/system/doth/CA/CA.cfg
bin/tests/system/doth/CA/README
bin/tests/system/doth/CA/index.txt
bin/tests/system/doth/CA/index.txt.attr
bin/tests/system/doth/CA/serial
bin/tests/system/notify/ns4/named.port.in
bin/tests/system/formerr/nametoolong
bin/tests/system/formerr/noquestions
bin/tests/system/formerr/twoquestions
bin/tests/system/journal/ns1/managed-keys.bind.in
bin/tests/system/journal/ns1/managed-keys.bind.jnl.in
bin/tests/system/journal/ns2/managed-keys.bind.in
bin/tests/system/journal/ns2/managed-keys.bind.jnl.in
bin/tests/system/keepalive/expected
bin/tests/system/legacy/ns6/edns512.db.signed
bin/tests/system/legacy/ns7/edns512-notcp.db.signed
bin/tests/system/nsupdate/commandlist
bin/tests/system/nsupdate/verylarge.in
bin/tests/system/org.isc.bind.system.plist
bin/tests/system/pipelined/input
bin/tests/system/pipelined/inputb
bin/tests/system/pipelined/ref
bin/tests/system/pipelined/refb
bin/tests/system/rsabigexponent/ns2/dsset-example.in
bin/tests/system/run.gdb
bin/tests/system/runtime/ctrl-chars
bin/tests/system/runtime/long-cmd-line
bin/tests/system/statschannel/traffic.expect.1
bin/tests/system/statschannel/traffic.expect.2
bin/tests/system/statschannel/traffic.expect.4
bin/tests/system/statschannel/traffic.expect.5
bin/tests/system/statschannel/traffic.expect.6
bin/tests/system/tcp/1996-alloc_dnsbuf-crash-test.pkt
bin/tests/system/tsig/badlocation
bin/tests/system/tsig/badtime
bin/tests/system/unknown/large.out
bin/tests/system/xfer/ans5/badkeydata
bin/tests/system/xfer/ans5/badmessageid
bin/tests/system/xfer/ans5/goodaxfr
bin/tests/system/xfer/ans5/partial
bin/tests/system/xfer/ans5/soamismatch
bin/tests/system/xfer/ans5/unknownkey
bin/tests/system/xfer/ans5/unsigned
bin/tests/system/xfer/ans5/wrongkey
bin/tests/system/xfer/ans5/wrongname
bin/tests/system/xfer/knowngood.mapped
cocci/*.cocci
cocci/*.disabled
cocci/*.spatch
doc/arm/*.dia
doc/arm/*.png
doc/arm/isc-logo.pdf
doc/arm/requirements.txt
doc/man/*.1in
doc/man/*.5in
doc/man/*.8in
fuzz/*.in/*
Copyright: Internet Systems Consortium, Inc. ("ISC")
License: MPL-2.0
#
# DNSSEC Guide images
#
Files: doc/dnssec-guide/img/*.png
Copyright: Internet Systems Consortium, Inc. ("ISC")
License: MPL-2.0
#
# Libtool Files
#
Files: m4/libtool.m4
m4/ltoptions.m4
m4/ltsugar.m4
m4/ltversion.m4
m4/ltversion.m4
m4/lt~obsolete.m4
Copyright: Free Software Foundation, Inc.
License:
This file is free software; the Free Software Foundation gives unlimited
permission to copy and/or distribute it, with or without modifications, as long
as this notice is preserved.
#
# DLZ Modules
#
Files: contrib/dlz/modules/*/testing/*
Copyright: Internet Systems Consortium, Inc. ("ISC")
Stichting NLnet, Netherlands
License: ISC and MPL-2.0
#
# Stuff that's basically uncopyrightable (configuration, generated files),
# use CC0-1.0 for clarity that we don't care
#
Files: **/.clang-format
**/.clang-format.headers
**/.dir-locals.el
**/.gitattributes
**/.gitignore
**/named*.args
**/named.dropedns
**/named.ednsformerr
**/named.ednsnotimp
**/named.ednsrefused
**/named.maxudp1460
**/named.maxudp512
**/named.noaa
**/named.noedns
**/named.nosoa
**/named.notcp
**/startme
.clang-format
.clang-format.headers
.dir-locals.el
.gitattributes
.gitignore
.gitlab-ci.yml
.lgtm.yml
.pylintrc
.uncrustify.cfg
doc/misc/*.zoneopt
doc/misc/options
doc/misc/rndc.grammar
tsan-suppressions.txt
Copyright: Internet Systems Consortium, Inc. ("ISC")
License: CC0-1.0
#
# geoip2 test files (mmdb is generated from json)
#
Files: bin/tests/system/geoip2/data/*.json
bin/tests/system/geoip2/data/*.mmdb
Copyright: Internet Systems Consortium, Inc. ("ISC")
License: CC0-1.0
#
# files that may be left over from other branches.
#
# in a newly cloned branch or after running "git clean", these
# files don't exist, but they can be left lying around after
# checking out an older branch. we explicitly ignore them so they
# won't clutter up the output when running "reuse lint" by hand
# in a working source tree.
#
Files: **/platform.h
bin/python/*
bin/tests/optional/*
make/*
unit/unittest.sh
Copyright: Internet Systems Consortium, Inc. ("ISC")
License: CC0-1.0

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@@ -1,16 +0,0 @@
{% for copyright_line in copyright_lines %}
{{ copyright_line }}
{% endfor %}
{% for expression in spdx_expressions %}
SPDX-License-Identifier: {{ expression }}
{% endfor %}
{% if "MPL-2.0" in spdx_expressions %}
This Source Code Form is subject to the terms of the Mozilla Public
License, v. 2.0. If a copy of the MPL was not distributed with this
file, you can obtain one at https://mozilla.org/MPL/2.0/.
See the COPYRIGHT file distributed with this work for additional
information regarding copyright ownership.
{% endif %}

File diff suppressed because it is too large Load Diff

53
AUTHORS
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@@ -1,53 +0,0 @@
Mark Andrews
Andreas Gustafsson
Evan Hunt
Brian Wellington
Bob Halley
David Lawrence
Michael Graff
Michael Sawyer
Ondřej Surý
James Brister
Tatuya JINMEI 神明達哉
Francis Dupont
Michał Kępień
Danny Mayer
Mukund Sivaraman
Jeremy C. Reed
William King
Stephen Morris
Witold Kręcicki
Curtis Blackburn
Scott Mann
Rob Austein
Jim Reid
Eric Luce
Olafur Gudmundsson
Stephen Jacob
Damien Neil
Tony Finch
Jakob Schlyter
Petr Menšík
Vernon Schryver
Matt Nelson
Shane Kerr
Paul Ebersman
Ray Bellis
Shawn Routhier
Ben Cottrell
Tomas Hozza
johnd
Bill Parker
李昶
Kevin Chen
Jonathan Casey
Mary Stahl
Mathieu Arnold
David Hankins
Paul Hoffman
Paul Vixie
Brian Conry
Anay Panvalkar
colleen
Robert Edmonds
João Damas

18285
CHANGES

File diff suppressed because it is too large Load Diff

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@@ -1,84 +0,0 @@
<!--
Copyright (C) Internet Systems Consortium, Inc. ("ISC")
SPDX-License-Identifier: MPL-2.0
This Source Code Form is subject to the terms of the Mozilla Public
License, v. 2.0. If a copy of the MPL was not distributed with this
file, you can obtain one at https://mozilla.org/MPL/2.0/.
See the COPYRIGHT file distributed with this work for additional
information regarding copyright ownership.
-->
# BIND 9 Code of Conduct
Like the technical community as a whole, the BIND 9 team and community is made
up of a mixture of professionals and volunteers from all over the world, working
on every aspect of the mission - including mentorship, teaching, and connecting
people.
Diversity is one of our huge strengths, but it can also lead to communication
issues and unhappiness. To that end, we have a few ground rules that we ask
people to adhere to. This code applies equally to the core development team,
open source contributors and those seeking help and guidance.
This isn't an exhaustive list of things that you can't do. Rather, take it in
the spirit in which it's intended - a guide to make it easier to enrich all of
us and the technical communities in which we participate.
This code of conduct applies to all spaces managed by the BIND 9 project or
Internet Systems Consortium. This includes chat, the mailing lists, the issue
tracker, and any other fora created by the project team which the
community uses for communication. In addition, violations of this code outside
these spaces may affect a person's ability to participate within them.
If you believe someone is violating the code of conduct, we ask that you report
it by emailing [conduct@isc.org](conduct@isc.org). For more details please see
our [Reporting Guidelines](https://www.isc.org/conductreporting/).
* **Be friendly and patient.**
* **Be welcoming.** We strive to be a community that welcomes and supports
people of all backgrounds and identities. This includes, but is not limited to
members of any race, ethnicity, culture, national origin, colour, immigration
status, social and economic class, educational level, sex, sexual orientation,
gender identity and expression, age, size, family status, political belief,
religion, and mental and physical ability.
* **Be considerate.** Your work will be used by other people, and you in turn
will depend on the work of others. Any decision you take will affect users and
colleagues, and you should take those consequences into account when making
decisions. Remember that we're a world-wide community, so you might not be
communicating in someone else's primary language.
* **Be respectful.** Not all of us will agree all the time, but disagreement is
no excuse for poor behavior and poor manners. We might all experience some
frustration now and then, but we cannot allow that frustration to turn into a
personal attack. It's important to remember that a community where people feel
uncomfortable or threatened is not a productive one. Members of the BIND 9
community should be respectful when dealing with other members as well as with
people outside the BIND 9 community.
* **Be careful in the words that you choose.** We are a community of
professionals, and we conduct ourselves professionally. Be kind to others. Do
not insult or put down other participants. Harassment and other exclusionary
behavior aren't acceptable. This includes, but is not limited to:
* Violent threats or language directed against another person.
* Discriminatory jokes and language.
* Posting sexually explicit or violent material.
* Posting (or threatening to post) other people's personally identifying
information ("doxing").
* Personal insults, especially those using racist or sexist terms.
* Unwelcome sexual attention.
* Advocating for, or encouraging, any of the above behavior.
* Repeated harassment of others. In general, if someone asks you to stop, then
stop.
* **When we disagree, try to understand why.** Disagreements, both social and
technical, happen all the time and BIND 9 is no exception. It is important
that we resolve disagreements and differing views constructively. Remember
that we're different. The strength of BIND 9 comes from its varied community,
people from a wide range of backgrounds. Different people have different
perspectives on issues. Being unable to understand why someone holds a
viewpoint doesn't mean that they're wrong. Don't forget that it is human to
err and blaming each other doesn't get us anywhere. Instead, focus on helping
to resolve issues and learning from mistakes.
Original text courtesy of the [Django Code of Conduct](https://www.djangoproject.com/conduct/)
project.

View File

@@ -1,208 +0,0 @@
<!--
Copyright (C) Internet Systems Consortium, Inc. ("ISC")
SPDX-License-Identifier: MPL-2.0
This Source Code Form is subject to the terms of the Mozilla Public
License, v. 2.0. If a copy of the MPL was not distributed with this
file, you can obtain one at https://mozilla.org/MPL/2.0/.
See the COPYRIGHT file distributed with this work for additional
information regarding copyright ownership.
-->
## BIND 9 Source Access and Contributor Guidelines
*May 28, 2020*
### Contents
1. [Access to source code](#access)
1. [Reporting bugs](#bugs)
1. [Contributing code](#contrib)
### Introduction
Thank you for using BIND 9!
BIND is open source software that implements the Domain Name System (DNS)
protocols for the Internet. It is a reference implementation of those
protocols, but it is also production-grade software, suitable for use in
high-volume and high-reliability applications. It is very
widely used DNS software, providing a robust and stable platform on top of
which organizations can build distributed computing systems with the
knowledge that those systems are fully compliant with published DNS
standards.
BIND is and will always remain free and openly available. It can be
used and modified in any way by anyone.
BIND is maintained by [Internet Systems Consortium](https://www.isc.org),
a public-benefit 501(c)(3) nonprofit, using a "managed open source" approach:
anyone can see the source, but only ISC employees have commit access.
In the past, the source could only be seen once ISC had published
a release; read access to the source repository was restricted just
as commit access was. That has changed, as ISC now provides a
public git repository of the BIND source tree (see below).
At ISC, we're committed to
building communities that are welcoming and inclusive: environments where people
are encouraged to share ideas, treat each other with respect, and collaborate
towards the best solutions. To reinforce our commitment, ISC
has adopted a slightly modified version of the Django
[Code of Conduct](https://gitlab.isc.org/isc-projects/bind9/-/blob/main/CODE_OF_CONDUCT.md)
for the BIND 9 project, as well as for the conduct of our developers throughout
the industry.
### <a name="access"></a>Access to source code
Public BIND releases are always available from the
[ISC FTP site](ftp://ftp.isc.org/isc/bind9).
A public-access git repository is also available at
[https://gitlab.isc.org](https://gitlab.isc.org). This repository
contains all public release branches. Upcoming releases can be viewed in
their current state at any time. Short-lived development branches
contain unreviewed work in progress. Commits which address security
vulnerablilities are withheld until after public disclosure.
You can browse the source online via
[https://gitlab.isc.org/isc-projects/bind9](https://gitlab.isc.org/isc-projects/bind9)
To clone the repository, use:
> $ git clone https://gitlab.isc.org/isc-projects/bind9.git
Release branch names are of the form `v9_X`, where X represents the second
number in the BIND 9 version number. So, to check out the BIND 9.12
branch, use:
> $ git checkout v9_12
Whenever a branch is ready for publication, a tag is placed of the
form `v9_X_Y`. The 9.12.0 release, for instance, is tagged as `v9_12_0`.
The branch in which the next major release is being developed is called
`main`.
### <a name="bugs"></a>Reporting bugs
Reports of flaws in the BIND package, including software bugs, errors
in the documentation, missing files in the tarball, suggested changes
or requests for new features, etc., can be filed using
[https://gitlab.isc.org/isc-projects/bind9/issues](https://gitlab.isc.org/isc-projects/bind9/issues).
Due to a large ticket backlog, we are sometimes slow to respond,
especially if a bug is cosmetic or if a feature request is vague or
low in priority, but we try at least to acknowledge legitimate
bug reports within a week.
ISC's GitLab system is publicly readable; however, you must have
an account to create a new issue. You can either register locally or
use credentials from an existing account at GitHub, GitLab, Google,
Twitter, or Facebook.
### Reporting possible security issues
If you think you may be seeing a potential security vulnerability in BIND
(for example, a crash with REQUIRE, INSIST, or ASSERT failure), please
report it immediately by emailing to security-officer@isc.org. Plain-text
e-mail is not a secure choice for communications concerning undisclosed
security issues so please encrypt your communications to us if possible,
using the [ISC Security Officer public key](https://www.isc.org/pgpkey/).
Do not discuss undisclosed security vulnerabilities on any public mailing list.
ISC has a long history of handling reported vulnerabilities promptly and
effectively and we respect and acknowledge responsible reporters.
ISC's Security Vulnerability Disclosure Policy is documented at
[https://kb.isc.org/docs/aa-00861](https://kb.isc.org/docs/aa-00861).
If you have a crash, you may want to consult
["What to do if your BIND or DHCP server has crashed."](https://kb.isc.org/docs/aa-00340)
### <a name="contrib"></a>Contributing code
BIND is licensed under the
[Mozilla Public License 2.0](https://www.mozilla.org/en-US/MPL/2.0/).
Earlier versions (BIND 9.10 and earlier) were licensed under the
[ISC License](https://www.isc.org/licenses/)
ISC does not require an explicit copyright assignment for patch
contributions. However, by submitting a patch to ISC, you implicitly
certify that you are the author of the code, that you intend to relinquish
exclusive copyright, and that you grant permission to publish your work
under the open source license used for the BIND version(s) to which your
patch will be applied.
#### <a name="bind"></a>BIND code
Patches for BIND may be submitted directly via merge requests in
[ISC's GitLab](https://gitlab.isc.org/isc-projects/bind9/) source
repository for BIND.
Patches can also be submitted as diffs against a specific version of
BIND -- preferably the current top of the `main` branch. Diffs may
be generated using either `git format-patch` or `git diff`.
Those wanting to write code for BIND may be interested in the
[developer information](doc/dev/dev.md) page, which includes information
about BIND design and coding practices, including discussion of internal
APIs and overall system architecture.
Every patch submitted is reviewed by ISC engineers following our
[code review process](doc/dev/dev.md#reviews) before it is merged.
It may take considerable time to review patch submissions, especially if
they don't meet ISC style and quality guidelines. If a patch is a good
idea, we can and will do additional work to bring it up to par, but if
we're busy with other work, it may take us a long time to get to it.
To ensure your patch is acted on as promptly as possible, please:
* Try to adhere to the [BIND 9 coding style](doc/dev/style.md).
* Run `make check` to ensure your change hasn't caused any
functional regressions.
* Document your work, both in the patch itself and in the
accompanying email.
* In patches that make non-trivial functional changes, include system
tests if possible; when introducing or substantially altering a
library API, include unit tests. See [Testing](doc/dev/dev.md#testing)
for more information.
##### Changes to `configure`
If you need to make changes to `configure`, you should not edit it
directly; instead, edit `configure.in`, then run `autoconf`. Similarly,
instead of editing `config.h.in` directly, edit `configure.in` and run
`autoheader`.
When submitting a patch as a diff, it's fine to omit the `configure`
diffs to save space. Just send the `configure.in` diffs and we'll
generate the new `configure` during the review process.
##### Documentation
All functional changes should be documented. There are three types
of documentation in the BIND source tree:
* Man pages are kept alongside the source code for the commands
they document, in files ending in `.rst`: for example, the
`named` man page is `bin/named/named.rst`.
* The *BIND 9 Administrator Reference Manual* is in the .rst files in
`doc/arm/`; the PDF and HTML versions are automatically generated from
the `.rst` files.
* API documentation is in the header file describing the API, in
Doxygen-formatted comments.
Patches to improve existing documentation are also very welcome!
##### Tests
BIND is a large and complex project. We rely heavily on continuous
automated testing and cannot merge new code without adequate test coverage.
Please see [the "Testing" section of doc/dev/dev.md](doc/dev/dev.md#testing)
for more information.
#### Thanks
Thank you for your interest in contributing to the ongoing development
of BIND 9.

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LICENSE

391
COPYRIGHT
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@@ -1,391 +1,14 @@
Copyright (C) 1996-2022 Internet Systems Consortium, Inc. ("ISC")
This Source Code Form is subject to the terms of the Mozilla Public
License, v. 2.0. If a copy of the MPL was not distributed with this
file, you can obtain one at https://mozilla.org/MPL/2.0/.
-----------------------------------------------------------------------------
Portions of this code release fall under one or more of the
following Copyright notices. Please see individual source
files for details.
For binary releases also see: OpenSSL-LICENSE.
Copyright (C) 1996-2001 Nominum, Inc.
Copyright (C) 1996-2001 Internet Software Consortium.
Permission to use, copy, modify, and distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-----------------------------------------------------------------------------
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Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND ISC AND NETWORK ASSOCIATES DISCLAIMS
ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE
FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-----------------------------------------------------------------------------
Copyright (C) 2002 Stichting NLnet, Netherlands, stichting@nlnet.nl.
Permission to use, copy, modify, and distribute this software for any
purpose with or without fee is hereby granted, provided that the
above copyright notice and this permission notice appear in all
copies.
THE SOFTWARE IS PROVIDED "AS IS" AND STICHTING NLNET
THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM
DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
STICHTING NLNET BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR
CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE
USE OR PERFORMANCE OF THIS SOFTWARE.
The development of Dynamically Loadable Zones (DLZ) for Bind 9 was
conceived and contributed by Rob Butler.
Permission to use, copy, modify, and distribute this software for any
purpose with or without fee is hereby granted, provided that the
above copyright notice and this permission notice appear in all
copies.
THE SOFTWARE IS PROVIDED "AS IS" AND ROB BUTLER
DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
ROB BUTLER BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR
CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE
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-----------------------------------------------------------------------------
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The Regents of the University of California. All rights reserved.
Redistribution and use in source and binary forms, with or without
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documentation and/or other materials provided with the distribution.
3. Neither the name of the University nor the names of its contributors
may be used to endorse or promote products derived from this software
without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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-----------------------------------------------------------------------------
Copyright (C) The Internet Society 2005. This version of
this module is part of RFC 4178; see the RFC itself for
full legal notices.
(The above copyright notice is per RFC 3978 5.6 (a), q.v.)
-----------------------------------------------------------------------------
Copyright (c) 2004 Masarykova universita
(Masaryk University, Brno, Czech Republic)
All rights reserved.
Redistribution and use in source and binary forms, with or without
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2. Redistributions in binary form must reproduce the above copyright
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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-----------------------------------------------------------------------------
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(Royal Institute of Technology, Stockholm, Sweden).
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
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notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
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3. Neither the name of the Institute nor the names of its contributors
may be used to endorse or promote products derived from this software
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THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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Permission to use, copy, modify, and distribute this software for any
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publicity pertaining to distribution of the document or software without
specific, written prior permission.
THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DIGITAL EQUIPMENT
CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
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-----------------------------------------------------------------------------
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All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
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2. Redistributions in binary form must reproduce the above copyright
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3. Neither the name of the project nor the names of its contributors
may be used to endorse or promote products derived from this software
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THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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-----------------------------------------------------------------------------
Copyright (c) 1999-2000 by Nortel Networks Corporation
Permission to use, copy, modify, and distribute this software for any
purpose with or without fee is hereby granted, provided that the above
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BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES
OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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-----------------------------------------------------------------------------
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Permission to use, copy, modify, and distribute this software for any
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REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
PERFORMANCE OF THIS SOFTWARE.
-----------------------------------------------------------------------------
Copyright (c) 1996, David Mazieres <dm@uun.org>
Copyright (c) 2008, Damien Miller <djm@openbsd.org>
Permission to use, copy, modify, and distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-----------------------------------------------------------------------------
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All rights reserved.
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2. Redistributions in binary form must reproduce the above copyright
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TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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INTERNET SOFTWARE CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT,
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CHANGES

99
FAQ Normal file
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Frequently Asked Questions about BIND 9
Q: Why doesn't -u work on Linux 2.2.x?
A: Linux threads do not fully implement the Posix threads (pthreads) standard.
In particular, setuid() operates only on the current thread, not the full
process. Because of this limitation, BIND 9 cannot use setuid() on Linux as it
can on all other supported platforms. setuid() cannot be called before
creating threads, since the server does not start listening on reserved ports
until after threads have started.
In the 2.3.99-pre3 and newer kernels, the ability to preserve capabilities
across a setuid() call is present. This allows BIND 9 to call setuid() early,
while retaining the ability to bind reserved ports. This is a Linux-specific
hack.
On a 2.2 kernel, BIND 9 does drop many root privileges, so it should be less
of a security risk than a root process that has not dropped privileges.
If Linux threads ever work correctly, this restriction will go away.
Configuring BIND9 with the --disable-threads option causes a non-threaded
version to be built, which will allow -u to be used.
Q: Why does named log the error message "no TTL specified" and refuse
to load my zone file?
A: Your zone file must either have a line like
$TTL 86400
at the beginning, or the first record in it must have a TTL field,
like the "84600" in this example:
example.com. 86400 IN SOA ns hostmaster ( 1 3600 1800 1814400 3600 )
BIND 8 incorrectly accepted files that had neither.
Q: Why do I see 5 (or more) copies of named on Linux?
A: Linux threads each show up as a process under ps. The approximate
number of threads running is n+4, where n is the number of CPUs.
Q: Why does BIND 9 log "permission denied" errors accessing its
configuration files on my Linux system even though it is running as
root?
A: On Linux, BIND 9 drops most of its root privileges on startup.
This including the privilege to open files owned by other users.
Therefore, if the server is running as root, the configuration files
should also be owned by root.
Q: Why do I get errors like "dns_zone_load: zone foo/IN: loading master file
bar: ran out of space"
A: This is often caused by TXT records with missing close quotes. Check that
all TXT records containing quoted strings have both open and close quotes.
Q: How do I produce a useful core file on Linux?
A: Apply the kernel patch found in bind9/linux/coredump-patch and rebuild
the kernel. This patch causes multithreaded programs to dump the correct
thread.
Q: How do I restrict people from looking up the server version?
A: Put a "version" option containing something other than the real
version in the "options" section of named.conf. Note doing this will
not prevent attacks and may impede people trying to diagnose problems
with your server. Also it is possible to "fingerprint" nameservers to
determine their version.
Q: How do I restrict only remote users from looking up the server
version?
A: The following view statement will intercept lookups as the internal
view that holds the version information will be matched last. The
caveats of the previous answer still apply, of course.
view "chaos" chaos {
match-clients { <those to be refused>; };
allow-query { none; };
zone "." {
type hint;
file "/dev/null"; // or any empty file
};
};

362
LICENSE
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@@ -1,362 +0,0 @@
Mozilla Public License, version 2.0
1. Definitions
1.1. "Contributor"
means each individual or legal entity that creates, contributes to the
creation of, or owns Covered Software.
1.2. "Contributor Version"
means the combination of the Contributions of others (if any) used by a
Contributor and that particular Contributor's Contribution.
1.3. "Contribution"
means Covered Software of a particular Contributor.
1.4. "Covered Software"
means Source Code Form to which the initial Contributor has attached the
notice in Exhibit A, the Executable Form of such Source Code Form, and
Modifications of such Source Code Form, in each case including portions
thereof.
1.5. "Incompatible With Secondary Licenses"
means
a. that the initial Contributor has attached the notice described in
Exhibit B to the Covered Software; or
b. that the Covered Software was made available under the terms of
version 1.1 or earlier of the License, but not also under the terms of
a Secondary License.
1.6. "Executable Form"
means any form of the work other than Source Code Form.
1.7. "Larger Work"
means a work that combines Covered Software with other material, in a
separate file or files, that is not Covered Software.
1.8. "License"
means this document.
1.9. "Licensable"
means having the right to grant, to the maximum extent possible, whether
at the time of the initial grant or subsequently, any and all of the
rights conveyed by this License.
1.10. "Modifications"
means any of the following:
a. any file in Source Code Form that results from an addition to,
deletion from, or modification of the contents of Covered Software; or
b. any new file in Source Code Form that contains any Covered Software.
1.11. "Patent Claims" of a Contributor
means any patent claim(s), including without limitation, method,
process, and apparatus claims, in any patent Licensable by such
Contributor that would be infringed, but for the grant of the License,
by the making, using, selling, offering for sale, having made, import,
or transfer of either its Contributions or its Contributor Version.
1.12. "Secondary License"
means either the GNU General Public License, Version 2.0, the GNU Lesser
General Public License, Version 2.1, the GNU Affero General Public
License, Version 3.0, or any later versions of those licenses.
1.13. "Source Code Form"
means the form of the work preferred for making modifications.
1.14. "You" (or "Your")
means an individual or a legal entity exercising rights under this
License. For legal entities, "You" includes any entity that controls, is
controlled by, or is under common control with You. For purposes of this
definition, "control" means (a) the power, direct or indirect, to cause
the direction or management of such entity, whether by contract or
otherwise, or (b) ownership of more than fifty percent (50%) of the
outstanding shares or beneficial ownership of such entity.
2. License Grants and Conditions
2.1. Grants
Each Contributor hereby grants You a world-wide, royalty-free,
non-exclusive license:
a. under intellectual property rights (other than patent or trademark)
Licensable by such Contributor to use, reproduce, make available,
modify, display, perform, distribute, and otherwise exploit its
Contributions, either on an unmodified basis, with Modifications, or
as part of a Larger Work; and
b. under Patent Claims of such Contributor to make, use, sell, offer for
sale, have made, import, and otherwise transfer either its
Contributions or its Contributor Version.
2.2. Effective Date
The licenses granted in Section 2.1 with respect to any Contribution
become effective for each Contribution on the date the Contributor first
distributes such Contribution.
2.3. Limitations on Grant Scope
The licenses granted in this Section 2 are the only rights granted under
this License. No additional rights or licenses will be implied from the
distribution or licensing of Covered Software under this License.
Notwithstanding Section 2.1(b) above, no patent license is granted by a
Contributor:
a. for any code that a Contributor has removed from Covered Software; or
b. for infringements caused by: (i) Your and any other third party's
modifications of Covered Software, or (ii) the combination of its
Contributions with other software (except as part of its Contributor
Version); or
c. under Patent Claims infringed by Covered Software in the absence of
its Contributions.
This License does not grant any rights in the trademarks, service marks,
or logos of any Contributor (except as may be necessary to comply with
the notice requirements in Section 3.4).
2.4. Subsequent Licenses
No Contributor makes additional grants as a result of Your choice to
distribute the Covered Software under a subsequent version of this
License (see Section 10.2) or under the terms of a Secondary License (if
permitted under the terms of Section 3.3).
2.5. Representation
Each Contributor represents that the Contributor believes its
Contributions are its original creation(s) or it has sufficient rights to
grant the rights to its Contributions conveyed by this License.
2.6. Fair Use
This License is not intended to limit any rights You have under
applicable copyright doctrines of fair use, fair dealing, or other
equivalents.
2.7. Conditions
Sections 3.1, 3.2, 3.3, and 3.4 are conditions of the licenses granted in
Section 2.1.
3. Responsibilities
3.1. Distribution of Source Form
All distribution of Covered Software in Source Code Form, including any
Modifications that You create or to which You contribute, must be under
the terms of this License. You must inform recipients that the Source
Code Form of the Covered Software is governed by the terms of this
License, and how they can obtain a copy of this License. You may not
attempt to alter or restrict the recipients' rights in the Source Code
Form.
3.2. Distribution of Executable Form
If You distribute Covered Software in Executable Form then:
a. such Covered Software must also be made available in Source Code Form,
as described in Section 3.1, and You must inform recipients of the
Executable Form how they can obtain a copy of such Source Code Form by
reasonable means in a timely manner, at a charge no more than the cost
of distribution to the recipient; and
b. You may distribute such Executable Form under the terms of this
License, or sublicense it under different terms, provided that the
license for the Executable Form does not attempt to limit or alter the
recipients' rights in the Source Code Form under this License.
3.3. Distribution of a Larger Work
You may create and distribute a Larger Work under terms of Your choice,
provided that You also comply with the requirements of this License for
the Covered Software. If the Larger Work is a combination of Covered
Software with a work governed by one or more Secondary Licenses, and the
Covered Software is not Incompatible With Secondary Licenses, this
License permits You to additionally distribute such Covered Software
under the terms of such Secondary License(s), so that the recipient of
the Larger Work may, at their option, further distribute the Covered
Software under the terms of either this License or such Secondary
License(s).
3.4. Notices
You may not remove or alter the substance of any license notices
(including copyright notices, patent notices, disclaimers of warranty, or
limitations of liability) contained within the Source Code Form of the
Covered Software, except that You may alter any license notices to the
extent required to remedy known factual inaccuracies.
3.5. Application of Additional Terms
You may choose to offer, and to charge a fee for, warranty, support,
indemnity or liability obligations to one or more recipients of Covered
Software. However, You may do so only on Your own behalf, and not on
behalf of any Contributor. You must make it absolutely clear that any
such warranty, support, indemnity, or liability obligation is offered by
You alone, and You hereby agree to indemnify every Contributor for any
liability incurred by such Contributor as a result of warranty, support,
indemnity or liability terms You offer. You may include additional
disclaimers of warranty and limitations of liability specific to any
jurisdiction.
4. Inability to Comply Due to Statute or Regulation
If it is impossible for You to comply with any of the terms of this License
with respect to some or all of the Covered Software due to statute,
judicial order, or regulation then You must: (a) comply with the terms of
this License to the maximum extent possible; and (b) describe the
limitations and the code they affect. Such description must be placed in a
text file included with all distributions of the Covered Software under
this License. Except to the extent prohibited by statute or regulation,
such description must be sufficiently detailed for a recipient of ordinary
skill to be able to understand it.
5. Termination
5.1. The rights granted under this License will terminate automatically if You
fail to comply with any of its terms. However, if You become compliant,
then the rights granted under this License from a particular Contributor
are reinstated (a) provisionally, unless and until such Contributor
explicitly and finally terminates Your grants, and (b) on an ongoing
basis, if such Contributor fails to notify You of the non-compliance by
some reasonable means prior to 60 days after You have come back into
compliance. Moreover, Your grants from a particular Contributor are
reinstated on an ongoing basis if such Contributor notifies You of the
non-compliance by some reasonable means, this is the first time You have
received notice of non-compliance with this License from such
Contributor, and You become compliant prior to 30 days after Your receipt
of the notice.
5.2. If You initiate litigation against any entity by asserting a patent
infringement claim (excluding declaratory judgment actions,
counter-claims, and cross-claims) alleging that a Contributor Version
directly or indirectly infringes any patent, then the rights granted to
You by any and all Contributors for the Covered Software under Section
2.1 of this License shall terminate.
5.3. In the event of termination under Sections 5.1 or 5.2 above, all end user
license agreements (excluding distributors and resellers) which have been
validly granted by You or Your distributors under this License prior to
termination shall survive termination.
6. Disclaimer of Warranty
Covered Software is provided under this License on an "as is" basis,
without warranty of any kind, either expressed, implied, or statutory,
including, without limitation, warranties that the Covered Software is free
of defects, merchantable, fit for a particular purpose or non-infringing.
The entire risk as to the quality and performance of the Covered Software
is with You. Should any Covered Software prove defective in any respect,
You (not any Contributor) assume the cost of any necessary servicing,
repair, or correction. This disclaimer of warranty constitutes an essential
part of this License. No use of any Covered Software is authorized under
this License except under this disclaimer.
7. Limitation of Liability
Under no circumstances and under no legal theory, whether tort (including
negligence), contract, or otherwise, shall any Contributor, or anyone who
distributes Covered Software as permitted above, be liable to You for any
direct, indirect, special, incidental, or consequential damages of any
character including, without limitation, damages for lost profits, loss of
goodwill, work stoppage, computer failure or malfunction, or any and all
other commercial damages or losses, even if such party shall have been
informed of the possibility of such damages. This limitation of liability
shall not apply to liability for death or personal injury resulting from
such party's negligence to the extent applicable law prohibits such
limitation. Some jurisdictions do not allow the exclusion or limitation of
incidental or consequential damages, so this exclusion and limitation may
not apply to You.
8. Litigation
Any litigation relating to this License may be brought only in the courts
of a jurisdiction where the defendant maintains its principal place of
business and such litigation shall be governed by laws of that
jurisdiction, without reference to its conflict-of-law provisions. Nothing
in this Section shall prevent a party's ability to bring cross-claims or
counter-claims.
9. Miscellaneous
This License represents the complete agreement concerning the subject
matter hereof. If any provision of this License is held to be
unenforceable, such provision shall be reformed only to the extent
necessary to make it enforceable. Any law or regulation which provides that
the language of a contract shall be construed against the drafter shall not
be used to construe this License against a Contributor.
10. Versions of the License
10.1. New Versions
Mozilla Foundation is the license steward. Except as provided in Section
10.3, no one other than the license steward has the right to modify or
publish new versions of this License. Each version will be given a
distinguishing version number.
10.2. Effect of New Versions
You may distribute the Covered Software under the terms of the version
of the License under which You originally received the Covered Software,
or under the terms of any subsequent version published by the license
steward.
10.3. Modified Versions
If you create software not governed by this License, and you want to
create a new license for such software, you may create and use a
modified version of this License if you rename the license and remove
any references to the name of the license steward (except to note that
such modified license differs from this License).
10.4. Distributing Source Code Form that is Incompatible With Secondary
Licenses If You choose to distribute Source Code Form that is
Incompatible With Secondary Licenses under the terms of this version of
the License, the notice described in Exhibit B of this License must be
attached.
Exhibit A - Source Code Form License Notice
This Source Code Form is subject to the
terms of the Mozilla Public License, v.
2.0. If a copy of the MPL was not
distributed with this file, You can
obtain one at
https://mozilla.org/MPL/2.0/.
If it is not possible or desirable to put the notice in a particular file,
then You may include the notice in a location (such as a LICENSE file in a
relevant directory) where a recipient would be likely to look for such a
notice.
You may add additional accurate notices of copyright ownership.
Exhibit B - "Incompatible With Secondary Licenses" Notice
This Source Code Form is "Incompatible
With Secondary Licenses", as defined by
the Mozilla Public License, v. 2.0.

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Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction, and distribution as defined by Sections 1 through 9 of this document.
"Licensor" shall mean the copyright owner or entity authorized by the copyright owner that is granting the License.
"Legal Entity" shall mean the union of the acting entity and all other entities that control, are controlled by, or are under common control with that entity. For the purposes of this definition, "control" means (i) the power, direct or indirect, to cause the direction or management of such entity, whether by contract or otherwise, or (ii) ownership of fifty percent (50%) or more of the outstanding shares, or (iii) beneficial ownership of such entity.
"You" (or "Your") shall mean an individual or Legal Entity exercising permissions granted by this License.
"Source" form shall mean the preferred form for making modifications, including but not limited to software source code, documentation source, and configuration files.
"Object" form shall mean any form resulting from mechanical transformation or translation of a Source form, including but not limited to compiled object code, generated documentation, and conversions to other media types.
"Work" shall mean the work of authorship, whether in Source or Object form, made available under the License, as indicated by a copyright notice that is included in or attached to the work (an example is provided in the Appendix below).
"Derivative Works" shall mean any work, whether in Source or Object form, that is based on (or derived from) the Work and for which the editorial revisions, annotations, elaborations, or other modifications represent, as a whole, an original work of authorship. For the purposes of this License, Derivative Works shall not include works that remain separable from, or merely link (or bind by name) to the interfaces of, the Work and Derivative Works thereof.
"Contribution" shall mean any work of authorship, including the original version of the Work and any modifications or additions to that Work or Derivative Works thereof, that is intentionally submitted to Licensor for inclusion in the Work by the copyright owner or by an individual or Legal Entity authorized to submit on behalf of the copyright owner. For the purposes of this definition, "submitted" means any form of electronic, verbal, or written communication sent to the Licensor or its representatives, including but not limited to communication on electronic mailing lists, source code control systems, and issue tracking systems that are managed by, or on behalf of, the Licensor for the purpose of discussing and improving the Work, but excluding communication that is conspicuously marked or otherwise designated in writing by the copyright owner as "Not a Contribution."
"Contributor" shall mean Licensor and any individual or Legal Entity on behalf of whom a Contribution has been received by Licensor and subsequently incorporated within the Work.
2. Grant of Copyright License. Subject to the terms and conditions of this License, each Contributor hereby grants to You a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare Derivative Works of, publicly display, publicly perform, sublicense, and distribute the Work and such Derivative Works in Source or Object form.
3. Grant of Patent License. Subject to the terms and conditions of this License, each Contributor hereby grants to You a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable (except as stated in this section) patent license to make, have made, use, offer to sell, sell, import, and otherwise transfer the Work, where such license applies only to those patent claims licensable by such Contributor that are necessarily infringed by their Contribution(s) alone or by combination of their Contribution(s) with the Work to which such Contribution(s) was submitted. If You institute patent litigation against any entity (including a cross-claim or counterclaim in a lawsuit) alleging that the Work or a Contribution incorporated within the Work constitutes direct or contributory patent infringement, then any patent licenses granted to You under this License for that Work shall terminate as of the date such litigation is filed.
4. Redistribution. You may reproduce and distribute copies of the Work or Derivative Works thereof in any medium, with or without modifications, and in Source or Object form, provided that You meet the following conditions:
(a) You must give any other recipients of the Work or Derivative Works a copy of this License; and
(b) You must cause any modified files to carry prominent notices stating that You changed the files; and
(c) You must retain, in the Source form of any Derivative Works that You distribute, all copyright, patent, trademark, and attribution notices from the Source form of the Work, excluding those notices that do not pertain to any part of the Derivative Works; and
(d) If the Work includes a "NOTICE" text file as part of its distribution, then any Derivative Works that You distribute must include a readable copy of the attribution notices contained within such NOTICE file, excluding those notices that do not pertain to any part of the Derivative Works, in at least one of the following places: within a NOTICE text file distributed as part of the Derivative Works; within the Source form or documentation, if provided along with the Derivative Works; or, within a display generated by the Derivative Works, if and wherever such third-party notices normally appear. The contents of the NOTICE file are for informational purposes only and do not modify the License. You may add Your own attribution notices within Derivative Works that You distribute, alongside or as an addendum to the NOTICE text from the Work, provided that such additional attribution notices cannot be construed as modifying the License.
You may add Your own copyright statement to Your modifications and may provide additional or different license terms and conditions for use, reproduction, or distribution of Your modifications, or for any such Derivative Works as a whole, provided Your use, reproduction, and distribution of the Work otherwise complies with the conditions stated in this License.
5. Submission of Contributions. Unless You explicitly state otherwise, any Contribution intentionally submitted for inclusion in the Work by You to the Licensor shall be under the terms and conditions of this License, without any additional terms or conditions. Notwithstanding the above, nothing herein shall supersede or modify the terms of any separate license agreement you may have executed with Licensor regarding such Contributions.
6. Trademarks. This License does not grant permission to use the trade names, trademarks, service marks, or product names of the Licensor, except as required for reasonable and customary use in describing the origin of the Work and reproducing the content of the NOTICE file.
7. Disclaimer of Warranty. Unless required by applicable law or agreed to in writing, Licensor provides the Work (and each Contributor provides its Contributions) on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied, including, without limitation, any warranties or conditions of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A PARTICULAR PURPOSE. You are solely responsible for determining the appropriateness of using or redistributing the Work and assume any risks associated with Your exercise of permissions under this License.
8. Limitation of Liability. In no event and under no legal theory, whether in tort (including negligence), contract, or otherwise, unless required by applicable law (such as deliberate and grossly negligent acts) or agreed to in writing, shall any Contributor be liable to You for damages, including any direct, indirect, special, incidental, or consequential damages of any character arising as a result of this License or out of the use or inability to use the Work (including but not limited to damages for loss of goodwill, work stoppage, computer failure or malfunction, or any and all other commercial damages or losses), even if such Contributor has been advised of the possibility of such damages.
9. Accepting Warranty or Additional Liability. While redistributing the Work or Derivative Works thereof, You may choose to offer, and charge a fee for, acceptance of support, warranty, indemnity, or other liability obligations and/or rights consistent with this License. However, in accepting such obligations, You may act only on Your own behalf and on Your sole responsibility, not on behalf of any other Contributor, and only if You agree to indemnify, defend, and hold each Contributor harmless for any liability incurred by, or claims asserted against, such Contributor by reason of your accepting any such warranty or additional liability.
END OF TERMS AND CONDITIONS
APPENDIX: How to apply the Apache License to your work.
To apply the Apache License to your work, attach the following boilerplate notice, with the fields enclosed by brackets "[]" replaced with your own identifying information. (Don't include the brackets!) The text should be enclosed in the appropriate comment syntax for the file format. We also recommend that a file or class name and description of purpose be included on the same "printed page" as the copyright notice for easier identification within third-party archives.
Copyright [yyyy] [name of copyright owner]
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

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AUTOCONF CONFIGURE SCRIPT EXCEPTION
Version 3.0, 18 August 2009
Copyright © 2009 Free Software Foundation, Inc. <http://fsf.org/>
Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed.
This Exception is an additional permission under section 7 of the GNU General Public License, version 3 ("GPLv3"). It applies to a given file that bears a notice placed by the copyright holder of the file stating that the file is governed by GPLv3 along with this Exception.
The purpose of this Exception is to allow distribution of Autoconf's typical output under terms of the recipient's choice (including proprietary).
0. Definitions.
"Covered Code" is the source or object code of a version of Autoconf that is a covered work under this License.
"Normally Copied Code" for a version of Autoconf means all parts of its Covered Code which that version can copy from its code (i.e., not from its input file) into its minimally verbose, non-debugging and non-tracing output.
"Ineligible Code" is Covered Code that is not Normally Copied Code.
1. Grant of Additional Permission.
You have permission to propagate output of Autoconf, even if such propagation would otherwise violate the terms of GPLv3. However, if by modifying Autoconf you cause any Ineligible Code of the version you received to become Normally Copied Code of your modified version, then you void this Exception for the resulting covered work. If you convey that resulting covered work, you must remove this Exception in accordance with the second paragraph of Section 7 of GPLv3.
2. No Weakening of Autoconf Copyleft.
The availability of this Exception does not imply any general presumption that third-party software is unaffected by the copyleft requirements of the license of Autoconf.

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Copyright (c) <year> <owner> All rights reserved.
Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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Copyright (c) <year> <owner>. All rights reserved.
Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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Creative Commons Legal Code
CC0 1.0 Universal
CREATIVE COMMONS CORPORATION IS NOT A LAW FIRM AND DOES NOT PROVIDE
LEGAL SERVICES. DISTRIBUTION OF THIS DOCUMENT DOES NOT CREATE AN
ATTORNEY-CLIENT RELATIONSHIP. CREATIVE COMMONS PROVIDES THIS
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REGARDING THE USE OF THIS DOCUMENT OR THE INFORMATION OR WORKS
PROVIDED HEREUNDER, AND DISCLAIMS LIABILITY FOR DAMAGES RESULTING FROM
THE USE OF THIS DOCUMENT OR THE INFORMATION OR WORKS PROVIDED
HEREUNDER.
Statement of Purpose
The laws of most jurisdictions throughout the world automatically confer
exclusive Copyright and Related Rights (defined below) upon the creator
and subsequent owner(s) (each and all, an "owner") of an original work of
authorship and/or a database (each, a "Work").
Certain owners wish to permanently relinquish those rights to a Work for
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of later claims of infringement build upon, modify, incorporate in other
works, reuse and redistribute as freely as possible in any form whatsoever
and for any purposes, including without limitation commercial purposes.
These owners may contribute to the Commons to promote the ideal of a free
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For these and/or other purposes and motivations, and without any
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is an owner of Copyright and Related Rights in the Work, voluntarily
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1. Copyright and Related Rights. A Work made available under CC0 may be
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vii. other similar, equivalent or corresponding rights throughout the
world based on applicable law or treaty, and any national
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2. Waiver. To the greatest extent permitted by, but not in contravention
of, applicable law, Affirmer hereby overtly, fully, permanently,
irrevocably and unconditionally waives, abandons, and surrenders all of
Affirmer's Copyright and Related Rights and associated claims and causes
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successors, fully intending that such Waiver shall not be subject to
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equitable action to disrupt the quiet enjoyment of the Work by the public
as contemplated by Affirmer's express Statement of Purpose.
3. Public License Fallback. Should any part of the Waiver for any reason
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this CC0 or use of the Work.

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Copying and distribution of this file, with or without modification, are permitted in any medium without royalty provided the copyright notice and this notice are preserved. This file is offered as-is, without any warranty.

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GNU GENERAL PUBLIC LICENSE
Version 2, June 1991
Copyright (C) 1989, 1991 Free Software Foundation, Inc.
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed.
Preamble
The licenses for most software are designed to take away your freedom to share and change it. By contrast, the GNU General Public License is intended to guarantee your freedom to share and change free software--to make sure the software is free for all its users. This General Public License applies to most of the Free Software Foundation's software and to any other program whose authors commit to using it. (Some other Free Software Foundation software is covered by the GNU Lesser General Public License instead.) You can apply it to your programs, too.
When we speak of free software, we are referring to freedom, not price. Our General Public Licenses are designed to make sure that you have the freedom to distribute copies of free software (and charge for this service if you wish), that you receive source code or can get it if you want it, that you can change the software or use pieces of it in new free programs; and that you know you can do these things.
To protect your rights, we need to make restrictions that forbid anyone to deny you these rights or to ask you to surrender the rights. These restrictions translate to certain responsibilities for you if you distribute copies of the software, or if you modify it.
For example, if you distribute copies of such a program, whether gratis or for a fee, you must give the recipients all the rights that you have. You must make sure that they, too, receive or can get the source code. And you must show them these terms so they know their rights.
We protect your rights with two steps: (1) copyright the software, and (2) offer you this license which gives you legal permission to copy, distribute and/or modify the software.
Also, for each author's protection and ours, we want to make certain that everyone understands that there is no warranty for this free software. If the software is modified by someone else and passed on, we want its recipients to know that what they have is not the original, so that any problems introduced by others will not reflect on the original authors' reputations.
Finally, any free program is threatened constantly by software patents. We wish to avoid the danger that redistributors of a free program will individually obtain patent licenses, in effect making the program proprietary. To prevent this, we have made it clear that any patent must be licensed for everyone's free use or not licensed at all.
The precise terms and conditions for copying, distribution and modification follow.
TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
0. This License applies to any program or other work which contains a notice placed by the copyright holder saying it may be distributed under the terms of this General Public License. The "Program", below, refers to any such program or work, and a "work based on the Program" means either the Program or any derivative work under copyright law: that is to say, a work containing the Program or a portion of it, either verbatim or with modifications and/or translated into another language. (Hereinafter, translation is included without limitation in the term "modification".) Each licensee is addressed as "you".
Activities other than copying, distribution and modification are not covered by this License; they are outside its scope. The act of running the Program is not restricted, and the output from the Program is covered only if its contents constitute a work based on the Program (independent of having been made by running the Program). Whether that is true depends on what the Program does.
1. You may copy and distribute verbatim copies of the Program's source code as you receive it, in any medium, provided that you conspicuously and appropriately publish on each copy an appropriate copyright notice and disclaimer of warranty; keep intact all the notices that refer to this License and to the absence of any warranty; and give any other recipients of the Program a copy of this License along with the Program.
You may charge a fee for the physical act of transferring a copy, and you may at your option offer warranty protection in exchange for a fee.
2. You may modify your copy or copies of the Program or any portion of it, thus forming a work based on the Program, and copy and distribute such modifications or work under the terms of Section 1 above, provided that you also meet all of these conditions:
a) You must cause the modified files to carry prominent notices stating that you changed the files and the date of any change.
b) You must cause any work that you distribute or publish, that in whole or in part contains or is derived from the Program or any part thereof, to be licensed as a whole at no charge to all third parties under the terms of this License.
c) If the modified program normally reads commands interactively when run, you must cause it, when started running for such interactive use in the most ordinary way, to print or display an announcement including an appropriate copyright notice and a notice that there is no warranty (or else, saying that you provide a warranty) and that users may redistribute the program under these conditions, and telling the user how to view a copy of this License. (Exception: if the Program itself is interactive but does not normally print such an announcement, your work based on the Program is not required to print an announcement.)
These requirements apply to the modified work as a whole. If identifiable sections of that work are not derived from the Program, and can be reasonably considered independent and separate works in themselves, then this License, and its terms, do not apply to those sections when you distribute them as separate works. But when you distribute the same sections as part of a whole which is a work based on the Program, the distribution of the whole must be on the terms of this License, whose permissions for other licensees extend to the entire whole, and thus to each and every part regardless of who wrote it.
Thus, it is not the intent of this section to claim rights or contest your rights to work written entirely by you; rather, the intent is to exercise the right to control the distribution of derivative or collective works based on the Program.
In addition, mere aggregation of another work not based on the Program with the Program (or with a work based on the Program) on a volume of a storage or distribution medium does not bring the other work under the scope of this License.
3. You may copy and distribute the Program (or a work based on it, under Section 2) in object code or executable form under the terms of Sections 1 and 2 above provided that you also do one of the following:
a) Accompany it with the complete corresponding machine-readable source code, which must be distributed under the terms of Sections 1 and 2 above on a medium customarily used for software interchange; or,
b) Accompany it with a written offer, valid for at least three years, to give any third party, for a charge no more than your cost of physically performing source distribution, a complete machine-readable copy of the corresponding source code, to be distributed under the terms of Sections 1 and 2 above on a medium customarily used for software interchange; or,
c) Accompany it with the information you received as to the offer to distribute corresponding source code. (This alternative is allowed only for noncommercial distribution and only if you received the program in object code or executable form with such an offer, in accord with Subsection b above.)
The source code for a work means the preferred form of the work for making modifications to it. For an executable work, complete source code means all the source code for all modules it contains, plus any associated interface definition files, plus the scripts used to control compilation and installation of the executable. However, as a special exception, the source code distributed need not include anything that is normally distributed (in either source or binary form) with the major components (compiler, kernel, and so on) of the operating system on which the executable runs, unless that component itself accompanies the executable.
If distribution of executable or object code is made by offering access to copy from a designated place, then offering equivalent access to copy the source code from the same place counts as distribution of the source code, even though third parties are not compelled to copy the source along with the object code.
4. You may not copy, modify, sublicense, or distribute the Program except as expressly provided under this License. Any attempt otherwise to copy, modify, sublicense or distribute the Program is void, and will automatically terminate your rights under this License. However, parties who have received copies, or rights, from you under this License will not have their licenses terminated so long as such parties remain in full compliance.
5. You are not required to accept this License, since you have not signed it. However, nothing else grants you permission to modify or distribute the Program or its derivative works. These actions are prohibited by law if you do not accept this License. Therefore, by modifying or distributing the Program (or any work based on the Program), you indicate your acceptance of this License to do so, and all its terms and conditions for copying, distributing or modifying the Program or works based on it.
6. Each time you redistribute the Program (or any work based on the Program), the recipient automatically receives a license from the original licensor to copy, distribute or modify the Program subject to these terms and conditions. You may not impose any further restrictions on the recipients' exercise of the rights granted herein. You are not responsible for enforcing compliance by third parties to this License.
7. If, as a consequence of a court judgment or allegation of patent infringement or for any other reason (not limited to patent issues), conditions are imposed on you (whether by court order, agreement or otherwise) that contradict the conditions of this License, they do not excuse you from the conditions of this License. If you cannot distribute so as to satisfy simultaneously your obligations under this License and any other pertinent obligations, then as a consequence you may not distribute the Program at all. For example, if a patent license would not permit royalty-free redistribution of the Program by all those who receive copies directly or indirectly through you, then the only way you could satisfy both it and this License would be to refrain entirely from distribution of the Program.
If any portion of this section is held invalid or unenforceable under any particular circumstance, the balance of the section is intended to apply and the section as a whole is intended to apply in other circumstances.
It is not the purpose of this section to induce you to infringe any patents or other property right claims or to contest validity of any such claims; this section has the sole purpose of protecting the integrity of the free software distribution system, which is implemented by public license practices. Many people have made generous contributions to the wide range of software distributed through that system in reliance on consistent application of that system; it is up to the author/donor to decide if he or she is willing to distribute software through any other system and a licensee cannot impose that choice.
This section is intended to make thoroughly clear what is believed to be a consequence of the rest of this License.
8. If the distribution and/or use of the Program is restricted in certain countries either by patents or by copyrighted interfaces, the original copyright holder who places the Program under this License may add an explicit geographical distribution limitation excluding those countries, so that distribution is permitted only in or among countries not thus excluded. In such case, this License incorporates the limitation as if written in the body of this License.
9. The Free Software Foundation may publish revised and/or new versions of the General Public License from time to time. Such new versions will be similar in spirit to the present version, but may differ in detail to address new problems or concerns.
Each version is given a distinguishing version number. If the Program specifies a version number of this License which applies to it and "any later version", you have the option of following the terms and conditions either of that version or of any later version published by the Free Software Foundation. If the Program does not specify a version number of this License, you may choose any version ever published by the Free Software Foundation.
10. If you wish to incorporate parts of the Program into other free programs whose distribution conditions are different, write to the author to ask for permission. For software which is copyrighted by the Free Software Foundation, write to the Free Software Foundation; we sometimes make exceptions for this. Our decision will be guided by the two goals of preserving the free status of all derivatives of our free software and of promoting the sharing and reuse of software generally.
NO WARRANTY
11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest possible use to the public, the best way to achieve this is to make it free software which everyone can redistribute and change under these terms.
To do so, attach the following notices to the program. It is safest to attach them to the start of each source file to most effectively convey the exclusion of warranty; and each file should have at least the "copyright" line and a pointer to where the full notice is found.
one line to give the program's name and an idea of what it does. Copyright (C) yyyy name of author
This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. Also add information on how to contact you by electronic and paper mail.
If the program is interactive, make it output a short notice like this when it starts in an interactive mode:
Gnomovision version 69, Copyright (C) year name of author Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'. This is free software, and you are welcome to redistribute it under certain conditions; type `show c' for details.
The hypothetical commands `show w' and `show c' should show the appropriate parts of the General Public License. Of course, the commands you use may be called something other than `show w' and `show c'; they could even be mouse-clicks or menu items--whatever suits your program.
You should also get your employer (if you work as a programmer) or your school, if any, to sign a "copyright disclaimer" for the program, if necessary. Here is a sample; alter the names:
Yoyodyne, Inc., hereby disclaims all copyright interest in the program `Gnomovision' (which makes passes at compilers) written by James Hacker.
signature of Ty Coon, 1 April 1989 Ty Coon, President of Vice

View File

@@ -1,232 +0,0 @@
GNU GENERAL PUBLIC LICENSE
Version 3, 29 June 2007
Copyright © 2007 Free Software Foundation, Inc. <http://fsf.org/>
Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed.
Preamble
The GNU General Public License is a free, copyleft license for software and other kinds of works.
The licenses for most software and other practical works are designed to take away your freedom to share and change the works. By contrast, the GNU General Public License is intended to guarantee your freedom to share and change all versions of a program--to make sure it remains free software for all its users. We, the Free Software Foundation, use the GNU General Public License for most of our software; it applies also to any other work released this way by its authors. You can apply it to your programs, too.
When we speak of free software, we are referring to freedom, not price. Our General Public Licenses are designed to make sure that you have the freedom to distribute copies of free software (and charge for them if you wish), that you receive source code or can get it if you want it, that you can change the software or use pieces of it in new free programs, and that you know you can do these things.
To protect your rights, we need to prevent others from denying you these rights or asking you to surrender the rights. Therefore, you have certain responsibilities if you distribute copies of the software, or if you modify it: responsibilities to respect the freedom of others.
For example, if you distribute copies of such a program, whether gratis or for a fee, you must pass on to the recipients the same freedoms that you received. You must make sure that they, too, receive or can get the source code. And you must show them these terms so they know their rights.
Developers that use the GNU GPL protect your rights with two steps: (1) assert copyright on the software, and (2) offer you this License giving you legal permission to copy, distribute and/or modify it.
For the developers' and authors' protection, the GPL clearly explains that there is no warranty for this free software. For both users' and authors' sake, the GPL requires that modified versions be marked as changed, so that their problems will not be attributed erroneously to authors of previous versions.
Some devices are designed to deny users access to install or run modified versions of the software inside them, although the manufacturer can do so. This is fundamentally incompatible with the aim of protecting users' freedom to change the software. The systematic pattern of such abuse occurs in the area of products for individuals to use, which is precisely where it is most unacceptable. Therefore, we have designed this version of the GPL to prohibit the practice for those products. If such problems arise substantially in other domains, we stand ready to extend this provision to those domains in future versions of the GPL, as needed to protect the freedom of users.
Finally, every program is threatened constantly by software patents. States should not allow patents to restrict development and use of software on general-purpose computers, but in those that do, we wish to avoid the special danger that patents applied to a free program could make it effectively proprietary. To prevent this, the GPL assures that patents cannot be used to render the program non-free.
The precise terms and conditions for copying, distribution and modification follow.
TERMS AND CONDITIONS
0. Definitions.
“This License” refers to version 3 of the GNU General Public License.
“Copyright” also means copyright-like laws that apply to other kinds of works, such as semiconductor masks.
“The Program” refers to any copyrightable work licensed under this License. Each licensee is addressed as “you”. “Licensees” and “recipients” may be individuals or organizations.
To “modify” a work means to copy from or adapt all or part of the work in a fashion requiring copyright permission, other than the making of an exact copy. The resulting work is called a “modified version” of the earlier work or a work “based on” the earlier work.
A “covered work” means either the unmodified Program or a work based on the Program.
To “propagate” a work means to do anything with it that, without permission, would make you directly or secondarily liable for infringement under applicable copyright law, except executing it on a computer or modifying a private copy. Propagation includes copying, distribution (with or without modification), making available to the public, and in some countries other activities as well.
To “convey” a work means any kind of propagation that enables other parties to make or receive copies. Mere interaction with a user through a computer network, with no transfer of a copy, is not conveying.
An interactive user interface displays “Appropriate Legal Notices” to the extent that it includes a convenient and prominently visible feature that (1) displays an appropriate copyright notice, and (2) tells the user that there is no warranty for the work (except to the extent that warranties are provided), that licensees may convey the work under this License, and how to view a copy of this License. If the interface presents a list of user commands or options, such as a menu, a prominent item in the list meets this criterion.
1. Source Code.
The “source code” for a work means the preferred form of the work for making modifications to it. “Object code” means any non-source form of a work.
A “Standard Interface” means an interface that either is an official standard defined by a recognized standards body, or, in the case of interfaces specified for a particular programming language, one that is widely used among developers working in that language.
The “System Libraries” of an executable work include anything, other than the work as a whole, that (a) is included in the normal form of packaging a Major Component, but which is not part of that Major Component, and (b) serves only to enable use of the work with that Major Component, or to implement a Standard Interface for which an implementation is available to the public in source code form. A “Major Component”, in this context, means a major essential component (kernel, window system, and so on) of the specific operating system (if any) on which the executable work runs, or a compiler used to produce the work, or an object code interpreter used to run it.
The “Corresponding Source” for a work in object code form means all the source code needed to generate, install, and (for an executable work) run the object code and to modify the work, including scripts to control those activities. However, it does not include the work's System Libraries, or general-purpose tools or generally available free programs which are used unmodified in performing those activities but which are not part of the work. For example, Corresponding Source includes interface definition files associated with source files for the work, and the source code for shared libraries and dynamically linked subprograms that the work is specifically designed to require, such as by intimate data communication or control flow between those subprograms and other parts of the work.
The Corresponding Source need not include anything that users can regenerate automatically from other parts of the Corresponding Source.
The Corresponding Source for a work in source code form is that same work.
2. Basic Permissions.
All rights granted under this License are granted for the term of copyright on the Program, and are irrevocable provided the stated conditions are met. This License explicitly affirms your unlimited permission to run the unmodified Program. The output from running a covered work is covered by this License only if the output, given its content, constitutes a covered work. This License acknowledges your rights of fair use or other equivalent, as provided by copyright law.
You may make, run and propagate covered works that you do not convey, without conditions so long as your license otherwise remains in force. You may convey covered works to others for the sole purpose of having them make modifications exclusively for you, or provide you with facilities for running those works, provided that you comply with the terms of this License in conveying all material for which you do not control copyright. Those thus making or running the covered works for you must do so exclusively on your behalf, under your direction and control, on terms that prohibit them from making any copies of your copyrighted material outside their relationship with you.
Conveying under any other circumstances is permitted solely under the conditions stated below. Sublicensing is not allowed; section 10 makes it unnecessary.
3. Protecting Users' Legal Rights From Anti-Circumvention Law.
No covered work shall be deemed part of an effective technological measure under any applicable law fulfilling obligations under article 11 of the WIPO copyright treaty adopted on 20 December 1996, or similar laws prohibiting or restricting circumvention of such measures.
When you convey a covered work, you waive any legal power to forbid circumvention of technological measures to the extent such circumvention is effected by exercising rights under this License with respect to the covered work, and you disclaim any intention to limit operation or modification of the work as a means of enforcing, against the work's users, your or third parties' legal rights to forbid circumvention of technological measures.
4. Conveying Verbatim Copies.
You may convey verbatim copies of the Program's source code as you receive it, in any medium, provided that you conspicuously and appropriately publish on each copy an appropriate copyright notice; keep intact all notices stating that this License and any non-permissive terms added in accord with section 7 apply to the code; keep intact all notices of the absence of any warranty; and give all recipients a copy of this License along with the Program.
You may charge any price or no price for each copy that you convey, and you may offer support or warranty protection for a fee.
5. Conveying Modified Source Versions.
You may convey a work based on the Program, or the modifications to produce it from the Program, in the form of source code under the terms of section 4, provided that you also meet all of these conditions:
a) The work must carry prominent notices stating that you modified it, and giving a relevant date.
b) The work must carry prominent notices stating that it is released under this License and any conditions added under section 7. This requirement modifies the requirement in section 4 to “keep intact all notices”.
c) You must license the entire work, as a whole, under this License to anyone who comes into possession of a copy. This License will therefore apply, along with any applicable section 7 additional terms, to the whole of the work, and all its parts, regardless of how they are packaged. This License gives no permission to license the work in any other way, but it does not invalidate such permission if you have separately received it.
d) If the work has interactive user interfaces, each must display Appropriate Legal Notices; however, if the Program has interactive interfaces that do not display Appropriate Legal Notices, your work need not make them do so.
A compilation of a covered work with other separate and independent works, which are not by their nature extensions of the covered work, and which are not combined with it such as to form a larger program, in or on a volume of a storage or distribution medium, is called an “aggregate” if the compilation and its resulting copyright are not used to limit the access or legal rights of the compilation's users beyond what the individual works permit. Inclusion of a covered work in an aggregate does not cause this License to apply to the other parts of the aggregate.
6. Conveying Non-Source Forms.
You may convey a covered work in object code form under the terms of sections 4 and 5, provided that you also convey the machine-readable Corresponding Source under the terms of this License, in one of these ways:
a) Convey the object code in, or embodied in, a physical product (including a physical distribution medium), accompanied by the Corresponding Source fixed on a durable physical medium customarily used for software interchange.
b) Convey the object code in, or embodied in, a physical product (including a physical distribution medium), accompanied by a written offer, valid for at least three years and valid for as long as you offer spare parts or customer support for that product model, to give anyone who possesses the object code either (1) a copy of the Corresponding Source for all the software in the product that is covered by this License, on a durable physical medium customarily used for software interchange, for a price no more than your reasonable cost of physically performing this conveying of source, or (2) access to copy the Corresponding Source from a network server at no charge.
c) Convey individual copies of the object code with a copy of the written offer to provide the Corresponding Source. This alternative is allowed only occasionally and noncommercially, and only if you received the object code with such an offer, in accord with subsection 6b.
d) Convey the object code by offering access from a designated place (gratis or for a charge), and offer equivalent access to the Corresponding Source in the same way through the same place at no further charge. You need not require recipients to copy the Corresponding Source along with the object code. If the place to copy the object code is a network server, the Corresponding Source may be on a different server (operated by you or a third party) that supports equivalent copying facilities, provided you maintain clear directions next to the object code saying where to find the Corresponding Source. Regardless of what server hosts the Corresponding Source, you remain obligated to ensure that it is available for as long as needed to satisfy these requirements.
e) Convey the object code using peer-to-peer transmission, provided you inform other peers where the object code and Corresponding Source of the work are being offered to the general public at no charge under subsection 6d.
A separable portion of the object code, whose source code is excluded from the Corresponding Source as a System Library, need not be included in conveying the object code work.
A “User Product” is either (1) a “consumer product”, which means any tangible personal property which is normally used for personal, family, or household purposes, or (2) anything designed or sold for incorporation into a dwelling. In determining whether a product is a consumer product, doubtful cases shall be resolved in favor of coverage. For a particular product received by a particular user, “normally used” refers to a typical or common use of that class of product, regardless of the status of the particular user or of the way in which the particular user actually uses, or expects or is expected to use, the product. A product is a consumer product regardless of whether the product has substantial commercial, industrial or non-consumer uses, unless such uses represent the only significant mode of use of the product.
“Installation Information” for a User Product means any methods, procedures, authorization keys, or other information required to install and execute modified versions of a covered work in that User Product from a modified version of its Corresponding Source. The information must suffice to ensure that the continued functioning of the modified object code is in no case prevented or interfered with solely because modification has been made.
If you convey an object code work under this section in, or with, or specifically for use in, a User Product, and the conveying occurs as part of a transaction in which the right of possession and use of the User Product is transferred to the recipient in perpetuity or for a fixed term (regardless of how the transaction is characterized), the Corresponding Source conveyed under this section must be accompanied by the Installation Information. But this requirement does not apply if neither you nor any third party retains the ability to install modified object code on the User Product (for example, the work has been installed in ROM).
The requirement to provide Installation Information does not include a requirement to continue to provide support service, warranty, or updates for a work that has been modified or installed by the recipient, or for the User Product in which it has been modified or installed. Access to a network may be denied when the modification itself materially and adversely affects the operation of the network or violates the rules and protocols for communication across the network.
Corresponding Source conveyed, and Installation Information provided, in accord with this section must be in a format that is publicly documented (and with an implementation available to the public in source code form), and must require no special password or key for unpacking, reading or copying.
7. Additional Terms.
“Additional permissions” are terms that supplement the terms of this License by making exceptions from one or more of its conditions. Additional permissions that are applicable to the entire Program shall be treated as though they were included in this License, to the extent that they are valid under applicable law. If additional permissions apply only to part of the Program, that part may be used separately under those permissions, but the entire Program remains governed by this License without regard to the additional permissions.
When you convey a copy of a covered work, you may at your option remove any additional permissions from that copy, or from any part of it. (Additional permissions may be written to require their own removal in certain cases when you modify the work.) You may place additional permissions on material, added by you to a covered work, for which you have or can give appropriate copyright permission.
Notwithstanding any other provision of this License, for material you add to a covered work, you may (if authorized by the copyright holders of that material) supplement the terms of this License with terms:
a) Disclaiming warranty or limiting liability differently from the terms of sections 15 and 16 of this License; or
b) Requiring preservation of specified reasonable legal notices or author attributions in that material or in the Appropriate Legal Notices displayed by works containing it; or
c) Prohibiting misrepresentation of the origin of that material, or requiring that modified versions of such material be marked in reasonable ways as different from the original version; or
d) Limiting the use for publicity purposes of names of licensors or authors of the material; or
e) Declining to grant rights under trademark law for use of some trade names, trademarks, or service marks; or
f) Requiring indemnification of licensors and authors of that material by anyone who conveys the material (or modified versions of it) with contractual assumptions of liability to the recipient, for any liability that these contractual assumptions directly impose on those licensors and authors.
All other non-permissive additional terms are considered “further restrictions” within the meaning of section 10. If the Program as you received it, or any part of it, contains a notice stating that it is governed by this License along with a term that is a further restriction, you may remove that term. If a license document contains a further restriction but permits relicensing or conveying under this License, you may add to a covered work material governed by the terms of that license document, provided that the further restriction does not survive such relicensing or conveying.
If you add terms to a covered work in accord with this section, you must place, in the relevant source files, a statement of the additional terms that apply to those files, or a notice indicating where to find the applicable terms.
Additional terms, permissive or non-permissive, may be stated in the form of a separately written license, or stated as exceptions; the above requirements apply either way.
8. Termination.
You may not propagate or modify a covered work except as expressly provided under this License. Any attempt otherwise to propagate or modify it is void, and will automatically terminate your rights under this License (including any patent licenses granted under the third paragraph of section 11).
However, if you cease all violation of this License, then your license from a particular copyright holder is reinstated (a) provisionally, unless and until the copyright holder explicitly and finally terminates your license, and (b) permanently, if the copyright holder fails to notify you of the violation by some reasonable means prior to 60 days after the cessation.
Moreover, your license from a particular copyright holder is reinstated permanently if the copyright holder notifies you of the violation by some reasonable means, this is the first time you have received notice of violation of this License (for any work) from that copyright holder, and you cure the violation prior to 30 days after your receipt of the notice.
Termination of your rights under this section does not terminate the licenses of parties who have received copies or rights from you under this License. If your rights have been terminated and not permanently reinstated, you do not qualify to receive new licenses for the same material under section 10.
9. Acceptance Not Required for Having Copies.
You are not required to accept this License in order to receive or run a copy of the Program. Ancillary propagation of a covered work occurring solely as a consequence of using peer-to-peer transmission to receive a copy likewise does not require acceptance. However, nothing other than this License grants you permission to propagate or modify any covered work. These actions infringe copyright if you do not accept this License. Therefore, by modifying or propagating a covered work, you indicate your acceptance of this License to do so.
10. Automatic Licensing of Downstream Recipients.
Each time you convey a covered work, the recipient automatically receives a license from the original licensors, to run, modify and propagate that work, subject to this License. You are not responsible for enforcing compliance by third parties with this License.
An “entity transaction” is a transaction transferring control of an organization, or substantially all assets of one, or subdividing an organization, or merging organizations. If propagation of a covered work results from an entity transaction, each party to that transaction who receives a copy of the work also receives whatever licenses to the work the party's predecessor in interest had or could give under the previous paragraph, plus a right to possession of the Corresponding Source of the work from the predecessor in interest, if the predecessor has it or can get it with reasonable efforts.
You may not impose any further restrictions on the exercise of the rights granted or affirmed under this License. For example, you may not impose a license fee, royalty, or other charge for exercise of rights granted under this License, and you may not initiate litigation (including a cross-claim or counterclaim in a lawsuit) alleging that any patent claim is infringed by making, using, selling, offering for sale, or importing the Program or any portion of it.
11. Patents.
A “contributor” is a copyright holder who authorizes use under this License of the Program or a work on which the Program is based. The work thus licensed is called the contributor's “contributor version”.
A contributor's “essential patent claims” are all patent claims owned or controlled by the contributor, whether already acquired or hereafter acquired, that would be infringed by some manner, permitted by this License, of making, using, or selling its contributor version, but do not include claims that would be infringed only as a consequence of further modification of the contributor version. For purposes of this definition, “control” includes the right to grant patent sublicenses in a manner consistent with the requirements of this License.
Each contributor grants you a non-exclusive, worldwide, royalty-free patent license under the contributor's essential patent claims, to make, use, sell, offer for sale, import and otherwise run, modify and propagate the contents of its contributor version.
In the following three paragraphs, a “patent license” is any express agreement or commitment, however denominated, not to enforce a patent (such as an express permission to practice a patent or covenant not to sue for patent infringement). To “grant” such a patent license to a party means to make such an agreement or commitment not to enforce a patent against the party.
If you convey a covered work, knowingly relying on a patent license, and the Corresponding Source of the work is not available for anyone to copy, free of charge and under the terms of this License, through a publicly available network server or other readily accessible means, then you must either (1) cause the Corresponding Source to be so available, or (2) arrange to deprive yourself of the benefit of the patent license for this particular work, or (3) arrange, in a manner consistent with the requirements of this License, to extend the patent license to downstream recipients. “Knowingly relying” means you have actual knowledge that, but for the patent license, your conveying the covered work in a country, or your recipient's use of the covered work in a country, would infringe one or more identifiable patents in that country that you have reason to believe are valid.
If, pursuant to or in connection with a single transaction or arrangement, you convey, or propagate by procuring conveyance of, a covered work, and grant a patent license to some of the parties receiving the covered work authorizing them to use, propagate, modify or convey a specific copy of the covered work, then the patent license you grant is automatically extended to all recipients of the covered work and works based on it.
A patent license is “discriminatory” if it does not include within the scope of its coverage, prohibits the exercise of, or is conditioned on the non-exercise of one or more of the rights that are specifically granted under this License. You may not convey a covered work if you are a party to an arrangement with a third party that is in the business of distributing software, under which you make payment to the third party based on the extent of your activity of conveying the work, and under which the third party grants, to any of the parties who would receive the covered work from you, a discriminatory patent license (a) in connection with copies of the covered work conveyed by you (or copies made from those copies), or (b) primarily for and in connection with specific products or compilations that contain the covered work, unless you entered into that arrangement, or that patent license was granted, prior to 28 March 2007.
Nothing in this License shall be construed as excluding or limiting any implied license or other defenses to infringement that may otherwise be available to you under applicable patent law.
12. No Surrender of Others' Freedom.
If conditions are imposed on you (whether by court order, agreement or otherwise) that contradict the conditions of this License, they do not excuse you from the conditions of this License. If you cannot convey a covered work so as to satisfy simultaneously your obligations under this License and any other pertinent obligations, then as a consequence you may not convey it at all. For example, if you agree to terms that obligate you to collect a royalty for further conveying from those to whom you convey the Program, the only way you could satisfy both those terms and this License would be to refrain entirely from conveying the Program.
13. Use with the GNU Affero General Public License.
Notwithstanding any other provision of this License, you have permission to link or combine any covered work with a work licensed under version 3 of the GNU Affero General Public License into a single combined work, and to convey the resulting work. The terms of this License will continue to apply to the part which is the covered work, but the special requirements of the GNU Affero General Public License, section 13, concerning interaction through a network will apply to the combination as such.
14. Revised Versions of this License.
The Free Software Foundation may publish revised and/or new versions of the GNU General Public License from time to time. Such new versions will be similar in spirit to the present version, but may differ in detail to address new problems or concerns.
Each version is given a distinguishing version number. If the Program specifies that a certain numbered version of the GNU General Public License “or any later version” applies to it, you have the option of following the terms and conditions either of that numbered version or of any later version published by the Free Software Foundation. If the Program does not specify a version number of the GNU General Public License, you may choose any version ever published by the Free Software Foundation.
If the Program specifies that a proxy can decide which future versions of the GNU General Public License can be used, that proxy's public statement of acceptance of a version permanently authorizes you to choose that version for the Program.
Later license versions may give you additional or different permissions. However, no additional obligations are imposed on any author or copyright holder as a result of your choosing to follow a later version.
15. Disclaimer of Warranty.
THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
16. Limitation of Liability.
IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
17. Interpretation of Sections 15 and 16.
If the disclaimer of warranty and limitation of liability provided above cannot be given local legal effect according to their terms, reviewing courts shall apply local law that most closely approximates an absolute waiver of all civil liability in connection with the Program, unless a warranty or assumption of liability accompanies a copy of the Program in return for a fee.
END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest possible use to the public, the best way to achieve this is to make it free software which everyone can redistribute and change under these terms.
To do so, attach the following notices to the program. It is safest to attach them to the start of each source file to most effectively state the exclusion of warranty; and each file should have at least the “copyright” line and a pointer to where the full notice is found.
<one line to give the program's name and a brief idea of what it does.>
Copyright (C) <year> <name of author>
This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>.
Also add information on how to contact you by electronic and paper mail.
If the program does terminal interaction, make it output a short notice like this when it starts in an interactive mode:
<program> Copyright (C) <year> <name of author>
This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it under certain conditions; type `show c' for details.
The hypothetical commands `show w' and `show c' should show the appropriate parts of the General Public License. Of course, your program's commands might be different; for a GUI interface, you would use an “about box”.
You should also get your employer (if you work as a programmer) or school, if any, to sign a “copyright disclaimer” for the program, if necessary. For more information on this, and how to apply and follow the GNU GPL, see <http://www.gnu.org/licenses/>.
The GNU General Public License does not permit incorporating your program into proprietary programs. If your program is a subroutine library, you may consider it more useful to permit linking proprietary applications with the library. If this is what you want to do, use the GNU Lesser General Public License instead of this License. But first, please read <http://www.gnu.org/philosophy/why-not-lgpl.html>.

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@@ -1,8 +0,0 @@
ISC License:
Copyright (c) 2004-2010 by Internet Systems Consortium, Inc. ("ISC")
Copyright (c) 1995-2003 by Internet Software Consortium
Permission to use, copy, modify, and/or distribute this software for any purpose with or without fee is hereby granted, provided that the above copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

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@@ -1,15 +0,0 @@
---- LLVM Exceptions to the Apache 2.0 License ----
As an exception, if, as a result of your compiling your source code, portions
of this Software are embedded into an Object form of such source code, you
may redistribute such embedded portions in such Object form without complying
with the conditions of Sections 4(a), 4(b) and 4(d) of the License.
In addition, if you combine or link compiled forms of this Software with
software that is licensed under the GPLv2 ("Combined Software") and if a
court of competent jurisdiction determines that the patent provision (Section
3), the indemnity provision (Section 9) or other Section of the License
conflicts with the conditions of the GPLv2, you may retroactively and
prospectively choose to deem waived or otherwise exclude such Section(s) of
the License, but only in their entirety and only with respect to the Combined
Software.

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@@ -1 +0,0 @@
As a special exception to the GNU General Public License, if you distribute this file as part of a program that contains a configuration script generated by Autoconf, you may include it under the same distribution terms that you use for the rest of that program.

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@@ -1,9 +0,0 @@
MIT License
Copyright (c) <year> <copyright holders>
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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@@ -1,144 +0,0 @@
Mozilla Public License Version 2.0
1. Definitions
1.1. "Contributor" means each individual or legal entity that creates, contributes to the creation of, or owns Covered Software.
1.2. "Contributor Version" means the combination of the Contributions of others (if any) used by a Contributor and that particular Contributor's Contribution.
1.3. "Contribution" means Covered Software of a particular Contributor.
1.4. "Covered Software" means Source Code Form to which the initial Contributor has attached the notice in Exhibit A, the Executable Form of such Source Code Form, and Modifications of such Source Code Form, in each case including portions thereof.
1.5. "Incompatible With Secondary Licenses" means
(a) that the initial Contributor has attached the notice described in Exhibit B to the Covered Software; or
(b) that the Covered Software was made available under the terms of version 1.1 or earlier of the License, but not also under the terms of a Secondary License.
1.6. "Executable Form" means any form of the work other than Source Code Form.
1.7. "Larger Work" means a work that combines Covered Software with other material, in a separate file or files, that is not Covered Software.
1.8. "License" means this document.
1.9. "Licensable" means having the right to grant, to the maximum extent possible, whether at the time of the initial grant or subsequently, any and all of the rights conveyed by this License.
1.10. "Modifications" means any of the following:
(a) any file in Source Code Form that results from an addition to, deletion from, or modification of the contents of Covered Software; or
(b) any new file in Source Code Form that contains any Covered Software.
1.11. "Patent Claims" of a Contributor means any patent claim(s), including without limitation, method, process, and apparatus claims, in any patent Licensable by such Contributor that would be infringed, but for the grant of the License, by the making, using, selling, offering for sale, having made, import, or transfer of either its Contributions or its Contributor Version.
1.12. "Secondary License" means either the GNU General Public License, Version 2.0, the GNU Lesser General Public License, Version 2.1, the GNU Affero General Public License, Version 3.0, or any later versions of those licenses.
1.13. "Source Code Form" means the form of the work preferred for making modifications.
1.14. "You" (or "Your") means an individual or a legal entity exercising rights under this License. For legal entities, "You" includes any entity that controls, is controlled by, or is under common control with You. For purposes of this definition, "control" means (a) the power, direct or indirect, to cause the direction or management of such entity, whether by contract or otherwise, or (b) ownership of more than fifty percent (50%) of the outstanding shares or beneficial ownership of such entity.
2. License Grants and Conditions
2.1. Grants
Each Contributor hereby grants You a world-wide, royalty-free, non-exclusive license:
(a) under intellectual property rights (other than patent or trademark) Licensable by such Contributor to use, reproduce, make available, modify, display, perform, distribute, and otherwise exploit its Contributions, either on an unmodified basis, with Modifications, or as part of a Larger Work; and
(b) under Patent Claims of such Contributor to make, use, sell, offer for sale, have made, import, and otherwise transfer either its Contributions or its Contributor Version.
2.2. Effective Date
The licenses granted in Section 2.1 with respect to any Contribution become effective for each Contribution on the date the Contributor first distributes such Contribution.
2.3. Limitations on Grant Scope
The licenses granted in this Section 2 are the only rights granted under this License. No additional rights or licenses will be implied from the distribution or licensing of Covered Software under this License. Notwithstanding Section 2.1(b) above, no patent license is granted by a Contributor:
(a) for any code that a Contributor has removed from Covered Software; or
(b) for infringements caused by: (i) Your and any other third party's modifications of Covered Software, or (ii) the combination of its Contributions with other software (except as part of its Contributor Version); or
(c) under Patent Claims infringed by Covered Software in the absence of its Contributions.
This License does not grant any rights in the trademarks, service marks, or logos of any Contributor (except as may be necessary to comply with the notice requirements in Section 3.4).
2.4. Subsequent Licenses
No Contributor makes additional grants as a result of Your choice to distribute the Covered Software under a subsequent version of this License (see Section 10.2) or under the terms of a Secondary License (if permitted under the terms of Section 3.3).
2.5. Representation
Each Contributor represents that the Contributor believes its Contributions are its original creation(s) or it has sufficient rights to grant the rights to its Contributions conveyed by this License.
2.6. Fair Use
This License is not intended to limit any rights You have under applicable copyright doctrines of fair use, fair dealing, or other equivalents.
2.7. Conditions
Sections 3.1, 3.2, 3.3, and 3.4 are conditions of the licenses granted in Section 2.1.
3. Responsibilities
3.1. Distribution of Source Form
All distribution of Covered Software in Source Code Form, including any Modifications that You create or to which You contribute, must be under the terms of this License. You must inform recipients that the Source Code Form of the Covered Software is governed by the terms of this License, and how they can obtain a copy of this License. You may not attempt to alter or restrict the recipients' rights in the Source Code Form.
3.2. Distribution of Executable Form
If You distribute Covered Software in Executable Form then:
(a) such Covered Software must also be made available in Source Code Form, as described in Section 3.1, and You must inform recipients of the Executable Form how they can obtain a copy of such Source Code Form by reasonable means in a timely manner, at a charge no more than the cost of distribution to the recipient; and
(b) You may distribute such Executable Form under the terms of this License, or sublicense it under different terms, provided that the license for the Executable Form does not attempt to limit or alter the recipients' rights in the Source Code Form under this License.
3.3. Distribution of a Larger Work
You may create and distribute a Larger Work under terms of Your choice, provided that You also comply with the requirements of this License for the Covered Software. If the Larger Work is a combination of Covered Software with a work governed by one or more Secondary Licenses, and the Covered Software is not Incompatible With Secondary Licenses, this License permits You to additionally distribute such Covered Software under the terms of such Secondary License(s), so that the recipient of the Larger Work may, at their option, further distribute the Covered Software under the terms of either this License or such Secondary License(s).
3.4. Notices
You may not remove or alter the substance of any license notices (including copyright notices, patent notices, disclaimers of warranty, or limitations of liability) contained within the Source Code Form of the Covered Software, except that You may alter any license notices to the extent required to remedy known factual inaccuracies.
3.5. Application of Additional Terms
You may choose to offer, and to charge a fee for, warranty, support, indemnity or liability obligations to one or more recipients of Covered Software. However, You may do so only on Your own behalf, and not on behalf of any Contributor. You must make it absolutely clear that any such warranty, support, indemnity, or liability obligation is offered by You alone, and You hereby agree to indemnify every Contributor for any liability incurred by such Contributor as a result of warranty, support, indemnity or liability terms You offer. You may include additional disclaimers of warranty and limitations of liability specific to any jurisdiction.
4. Inability to Comply Due to Statute or Regulation
If it is impossible for You to comply with any of the terms of this License with respect to some or all of the Covered Software due to statute, judicial order, or regulation then You must: (a) comply with the terms of this License to the maximum extent possible; and (b) describe the limitations and the code they affect. Such description must be placed in a text file included with all distributions of the Covered Software under this License. Except to the extent prohibited by statute or regulation, such description must be sufficiently detailed for a recipient of ordinary skill to be able to understand it.
5. Termination
5.1. The rights granted under this License will terminate automatically if You fail to comply with any of its terms. However, if You become compliant, then the rights granted under this License from a particular Contributor are reinstated (a) provisionally, unless and until such Contributor explicitly and finally terminates Your grants, and (b) on an ongoing basis, if such Contributor fails to notify You of the non-compliance by some reasonable means prior to 60 days after You have come back into compliance. Moreover, Your grants from a particular Contributor are reinstated on an ongoing basis if such Contributor notifies You of the non-compliance by some reasonable means, this is the first time You have received notice of non-compliance with this License from such Contributor, and You become compliant prior to 30 days after Your receipt of the notice.
5.2. If You initiate litigation against any entity by asserting a patent infringement claim (excluding declaratory judgment actions, counter-claims, and cross-claims) alleging that a Contributor Version directly or indirectly infringes any patent, then the rights granted to You by any and all Contributors for the Covered Software under Section 2.1 of this License shall terminate.
5.3. In the event of termination under Sections 5.1 or 5.2 above, all end user license agreements (excluding distributors and resellers) which have been validly granted by You or Your distributors under this License prior to termination shall survive termination.
6. Disclaimer of Warranty
Covered Software is provided under this License on an "as is" basis, without warranty of any kind, either expressed, implied, or statutory, including, without limitation, warranties that the Covered Software is free of defects, merchantable, fit for a particular purpose or non-infringing. The entire risk as to the quality and performance of the Covered Software is with You. Should any Covered Software prove defective in any respect, You (not any Contributor) assume the cost of any necessary servicing, repair, or correction. This disclaimer of warranty constitutes an essential part of this License. No use of any Covered Software is authorized under this License except under this disclaimer.
7. Limitation of Liability
Under no circumstances and under no legal theory, whether tort (including negligence), contract, or otherwise, shall any Contributor, or anyone who distributes Covered Software as permitted above, be liable to You for any direct, indirect, special, incidental, or consequential damages of any character including, without limitation, damages for lost profits, loss of goodwill, work stoppage, computer failure or malfunction, or any and all other commercial damages or losses, even if such party shall have been informed of the possibility of such damages. This limitation of liability shall not apply to liability for death or personal injury resulting from such party's negligence to the extent applicable law prohibits such limitation. Some jurisdictions do not allow the exclusion or limitation of incidental or consequential damages, so this exclusion and limitation may not apply to You.
8. Litigation
Any litigation relating to this License may be brought only in the courts of a jurisdiction where the defendant maintains its principal place of business and such litigation shall be governed by laws of that jurisdiction, without reference to its conflict-of-law provisions. Nothing in this Section shall prevent a party's ability to bring cross-claims or counter-claims.
9. Miscellaneous
This License represents the complete agreement concerning the subject matter hereof. If any provision of this License is held to be unenforceable, such provision shall be reformed only to the extent necessary to make it enforceable. Any law or regulation which provides that the language of a contract shall be construed against the drafter shall not be used to construe this License against a Contributor.
10. Versions of the License
10.1. New Versions
Mozilla Foundation is the license steward. Except as provided in Section 10.3, no one other than the license steward has the right to modify or publish new versions of this License. Each version will be given a distinguishing version number.
10.2. Effect of New Versions
You may distribute the Covered Software under the terms of the version of the License under which You originally received the Covered Software, or under the terms of any subsequent version published by the license steward.
10.3. Modified Versions
If you create software not governed by this License, and you want to create a new license for such software, you may create and use a modified version of this License if you rename the license and remove any references to the name of the license steward (except to note that such modified license differs from this License).
10.4. Distributing Source Code Form that is Incompatible With Secondary Licenses
If You choose to distribute Source Code Form that is Incompatible With Secondary Licenses under the terms of this version of the License, the notice described in Exhibit B of this License must be attached.
Exhibit A - Source Code Form License Notice
This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0. If a copy of the MPL was not distributed with this file, you can obtain one at https://mozilla.org/MPL/2.0/.
If it is not possible or desirable to put the notice in a particular file, then You may include the notice in a location (such as a LICENSE file in a relevant directory) where a recipient would be likely to look for such a notice.
You may add additional accurate notices of copyright ownership.
Exhibit B - "Incompatible With Secondary Licenses" Notice
This Source Code Form is "Incompatible With Secondary Licenses", as defined by the Mozilla Public License, v. 2.0.

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@@ -1,29 +0,0 @@
include $(top_srcdir)/Makefile.top
SUBDIRS = . lib doc bin fuzz
if HAVE_CMOCKA
SUBDIRS += tests
endif HAVE_CMOCKA
BUILT_SOURCES = bind.keys.h
CLEANFILES = bind.keys.h
bind.keys.h: bind.keys Makefile
${PERL} ${top_srcdir}/util/bindkeys.pl ${top_srcdir}/bind.keys > $@
dist_sysconf_DATA = bind.keys
.PHONY: doc
EXTRA_DIST = \
util/bindkeys.pl \
contrib \
CHANGES \
COPYRIGHT \
LICENSE \
*.md
dist-hook:
find $(distdir) -type f -name .gitignore -delete
git rev-parse --short HEAD | cut -b1-7 > $(distdir)/srcid

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@@ -1,62 +0,0 @@
SPHINX_V = $(SPHINX_V_@AM_V@)
SPHINX_V_ = $(SPHINX_V_@AM_DEFAULT_V@)
SPHINX_V_0 = -q
SPHINX_V_1 = -n
AM_V_SPHINX = $(AM_V_SPHINX_@AM_V@)
AM_V_SPHINX_ = $(AM_V_SPHINX_@AM_DEFAULT_V@)
AM_V_SPHINX_0 = @echo " SPHINX $@";
SPHINXBUILDDIR = $(builddir)/_build
LF = \n
RNDC_CONF = .. |rndc_conf| replace:: ``$(sysconfdir)/rndc.conf``
RNDC_KEY = .. |rndc_key| replace:: ``$(sysconfdir)/rndc.key``
NAMED_CONF = .. |named_conf| replace:: ``$(sysconfdir)/named.conf``
BIND_KEYS = .. |bind_keys| replace:: ``$(sysconfdir)/bind.keys``
NAMED_PID = .. |named_pid| replace:: ``$(runstatedir)/named.pid``
SESSION_KEY = .. |session_key| replace:: ``$(runstatedir)/session.key``
export RST_EPILOG = $(RNDC_CONF)$(LF)$(RNDC_KEY)$(LF)$(NAMED_CONF)$(LF)$(BIND_KEYS)$(LF)$(NAMED_PID)$(LF)$(SESSION_KEY)
common_SPHINXOPTS = \
-W \
-c $(srcdir) \
-a \
$(SPHINX_V)
# The "today" variable set below is not directly used in the ARM, but its value
# is implicitly inserted on the title page of the PDF file produced by Sphinx.
ALLSPHINXOPTS = \
$(common_SPHINXOPTS) \
-D today="$(RELEASE_DATE)" \
-D rst_epilog="$$(printf "$${RST_EPILOG}")" \
$(SPHINXOPTS) \
$(srcdir)
_ = @
man_RNDC_CONF = .. |rndc_conf| replace:: ``$(_)sysconfdir$(_)/rndc.conf``
man_RNDC_KEY = .. |rndc_key| replace:: ``$(_)sysconfdir$(_)/rndc.key``
man_NAMED_CONF = .. |named_conf| replace:: ``$(_)sysconfdir$(_)/named.conf``
man_BIND_KEYS = .. |bind_keys| replace:: ``$(_)sysconfdir$(_)/bind.keys``
man_NAMED_PID = .. |named_pid| replace:: ``$(_)runstatedir$(_)/named.pid``
man_SESSION_KEY = .. |session_key| replace:: ``$(_)runstatedir$(_)/session.key``
export man_RST_EPILOG = $(man_RNDC_CONF)$(LF)$(man_RNDC_KEY)$(LF)$(man_NAMED_CONF)$(LF)$(man_BIND_KEYS)$(LF)$(man_NAMED_PID)$(LF)$(man_SESSION_KEY)
man_SPHINXOPTS = \
$(common_SPHINXOPTS) \
-D version="@""PACKAGE_VERSION@" \
-D today="@""RELEASE_DATE@" \
-D release="@""PACKAGE_VERSION@" \
-D rst_epilog="$$(printf "$${man_RST_EPILOG}")" \
$(SPHINXOPTS) \
$(srcdir)
AM_V_SED = $(AM_V_SED_@AM_V@)
AM_V_SED_ = $(AM_V_SED_@AM_DEFAULT_V@)
AM_V_SED_0 = @echo " SED $@";
AM_V_CFG_TEST = $(AM_V_CFG_TEST_@AM_V@)
AM_V_CFG_TEST_ = $(AM_V_CFG_TEST_@AM_DEFAULT_V@)
AM_V_CFG_TEST_0 = @echo " CFG_GEN $@";

47
Makefile.in Normal file
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@@ -0,0 +1,47 @@
# Copyright (C) 1998-2001 Internet Software Consortium.
#
# Permission to use, copy, modify, and distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM
# DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
# INTERNET SOFTWARE CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT,
# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
# FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
# NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
# WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
# $Id: Makefile.in,v 1.36.2.1 2001/01/09 22:31:05 bwelling Exp $
srcdir = @srcdir@
VPATH = @srcdir@
top_srcdir = @top_srcdir@
@BIND9_VERSION@
SUBDIRS = make lib bin doc
TARGETS =
@BIND9_MAKE_RULES@
distclean::
rm -f config.cache config.h config.log config.status TAGS
rm -f libtool isc-config.sh
rm -f util/conf.sh
installdirs:
$(SHELL) ${top_srcdir}/mkinstalldirs ${DESTDIR}${bindir}
install:: isc-config.sh installdirs
${INSTALL_PROGRAM} isc-config.sh ${DESTDIR}${bindir}
tags:
rm -f TAGS
find lib bin -name "*.[ch]" -print | @ETAGS@ -
check: test
test:
(cd bin/tests && ${MAKE} ${MAKEDEFS} test)

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@@ -1,23 +0,0 @@
# Hey Emacs, this is -*- makefile-automake -*- file!
# vim: filetype=automake
unit-local: check
if HAVE_CMOCKA
TESTS = $(check_PROGRAMS)
endif HAVE_CMOCKA
LOG_COMPILER = $(top_builddir)/tests/unit-test-driver.sh
AM_CFLAGS += \
-I$(top_srcdir)/tests/include \
$(TEST_CFLAGS)
AM_CPPFLAGS += \
$(CMOCKA_CFLAGS) \
-DNAMED_PLUGINDIR=\"$(pkglibdir)\" \
-DTESTS_DIR=\"$(abs_srcdir)\"
LDADD += \
$(top_builddir)/tests/libtest/libtest.la \
$(CMOCKA_LIBS)

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@@ -1,65 +0,0 @@
# Hey Emacs, this is -*- makefile-automake -*- file!
# vim: filetype=automake
ACLOCAL_AMFLAGS = -I $(top_srcdir)/m4
AM_CFLAGS = \
$(STD_CFLAGS)
AM_CPPFLAGS = \
$(STD_CPPFLAGS) \
-include $(top_builddir)/config.h \
-I$(srcdir)/include
AM_LDFLAGS = \
$(STD_LDFLAGS)
LDADD =
if HOST_MACOS
AM_LDFLAGS += \
-Wl,-flat_namespace
endif HOST_MACOS
LIBISC_CFLAGS = \
-I$(top_srcdir)/include \
-I$(top_srcdir)/lib/isc/include \
-I$(top_builddir)/lib/isc/include
LIBISC_LIBS = $(top_builddir)/lib/isc/libisc.la
LIBDNS_CFLAGS = \
-I$(top_srcdir)/lib/dns/include \
-I$(top_builddir)/lib/dns/include
LIBDNS_LIBS = \
$(top_builddir)/lib/dns/libdns.la
LIBNS_CFLAGS = \
-I$(top_srcdir)/lib/ns/include
LIBNS_LIBS = \
$(top_builddir)/lib/ns/libns.la
LIBIRS_CFLAGS = \
-I$(top_srcdir)/lib/irs/include
LIBIRS_LIBS = \
$(top_builddir)/lib/irs/libirs.la
LIBISCCFG_CFLAGS = \
-I$(top_srcdir)/lib/isccfg/include
LIBISCCFG_LIBS = \
$(top_builddir)/lib/isccfg/libisccfg.la
LIBISCCC_CFLAGS = \
-I$(top_srcdir)/lib/isccc/include/
LIBISCCC_LIBS = \
$(top_builddir)/lib/isccc/libisccc.la
LIBBIND9_CFLAGS = \
-I$(top_srcdir)/lib/bind9/include
LIBBIND9_LIBS = \
$(top_builddir)/lib/bind9/libbind9.la

1
NEWS
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@@ -1 +0,0 @@
CHANGES

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@@ -1,28 +0,0 @@
<!--
Copyright (C) Internet Systems Consortium, Inc. ("ISC")
SPDX-License-Identifier: MPL-2.0
This Source Code Form is subject to the terms of the Mozilla Public
License, v. 2.0. If a copy of the MPL was not distributed with this
file, you can obtain one at https://mozilla.org/MPL/2.0/.
See the COPYRIGHT file distributed with this work for additional
information regarding copyright ownership.
-->
Setting the `CPPFLAGS` environment variable before running `configure`
can be used to enable certain compile-time options that are not
explicitly defined in `configure`.
Some of these settings are:
| Setting | Description |
| ---------------------------- | -------------------------------------------------------------------------------------------------------------------------------------- |
| `-DCHECK_LOCAL=0` | Don't check out-of-zone addresses in `named-checkzone` |
| `-DCHECK_SIBLING=0` | Don't check sibling glue in `named-checkzone` |
| `-DISC_FACILITY=LOG_LOCAL0` | Change the default syslog facility for `named` |
| `-DISC_HEAP_CHECK` | Test heap consistency after every heap operation; used when debugging |
| `-DISC_MEM_DEFAULTFILL=1` | Overwrite memory with tag values when allocating or freeing it; this impairs performance but makes debugging of memory problems easier |
| `-DISC_MEM_TRACKLINES=0` | Don't track memory allocations by file and line number; this improves performance but makes debugging more difficult |
| `-DNAMED_RUN_PID_DIR=0` | Create default PID files in `${localstatedir}/run` rather than `${localstatedir}/run/named/` |
| `-DNS_CLIENT_DROPPORT=0` | Disable dropping queries from particular well-known ports |

251
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BIND 9
BIND version 9 is a major rewrite of nearly all aspects of the
underlying BIND architecture. Some of the important features of
BIND 9 are:
- DNS Security
DNSSEC (signed zones)
TSIG (signed DNS requests)
- IP version 6
Answers DNS queries on IPv6 sockets
IPv6 resource records (A6, DNAME, etc.)
Bitstring Labels
Experimental IPv6 Resolver Library
- DNS Protocol Enhancements
IXFR, DDNS, Notify, EDNS0
Improved standards conformance
- Views
One server process can provide multiple "views" of
the DNS namespace, e.g. an "inside" view to certain
clients, and an "outside" view to others.
- Multiprocessor Support
- Improved Portability Architecture
BIND version 9 development has been underwritten by the following
organizations:
Sun Microsystems, Inc.
Hewlett Packard
Compaq Computer Corporation
IBM
Process Software Corporation
Silicon Graphics, Inc.
Network Associates, Inc.
U.S. Defense Information Systems Agency
USENIX Association
Stichting NLnet - NLnet Foundation
BIND 9.1.0
BIND 9.1.0 is the first release of BIND 9.1. Compared
to 9.0, BIND 9.1 has a number of new features as well
as numerous bug fixes and cleanups.
Features added since 9.0.x include:
- Many BIND 8 features previously unimplemented in BIND 9,
including domain-specific forwarding, the $GENERATE
master file directive, and the "blackhole", "dialup",
and "sortlist" options
- Forwarding of dynamic update requests; this is enabled
by the "allow-update-forwarding" option
- A new, simplified database interface and a number of
sample drivers based on it; see doc/misc/sdb for details
- Support for building single-threaded servers for
environments that do not supply POSIX threads
- New configuration options: "min-refresh-time",
"max-refresh-time", "min-retry-time", "max-retry-time",
"additional-from-auth", "additional-from-cache",
"notify explicit"
- Faster lookups, particularly in large zones.
BIND 9.1.0 also includes experimental implementations of a
number of DNS protocols extensions still under development
in the IETF. These include transparent processing of
unknown RR types and use of the EDNS "DNSSEC OK" bit to
explicitly enable DNSSEC processing in responses.
Cryptographic operations are now based on the OpenSSL
library instead of DNSsafe.
BIND 9.1.0 is primarily a name server software distribution.
In addition to the name server, it also includes a new
lightweight stub resolver library and associated resolver
daemon that fully support forward and reverse lookups of both
IPv4 and IPv6 addresses. This library is still considered
experimental and is not a complete replacement for the BIND 8
resolver library. Applications that use the BIND 8 res_*
functions to perform DNS lookups or dynamic updates still need
to be linked against the BIND 8 libraries. For DNS lookups,
they can also use the new "getrrsetbyname()" API.
BIND 9.1.0 is capable of acting as an authoritative server
for DNSSEC secured zones. This functionality is believed to
be stable and complete except for lacking support for wildcard
records in secure zones.
When acting as a caching server, BIND 9.1.0 can be configured
to perform DNSSEC secure resolution on behalf of its clients.
This part of the DNSSEC implementation is still considered
experimental. For detailed information about the state of the
DNSSEC implementation, see the file doc/misc/dnssec.
There are a few known bugs:
On some systems, IPv6 and IPv4 sockets interact in
unexpected ways. For details, see doc/misc/ipv6.
To reduce the impact of these problems, the server
no longer listens for requests on IPv6 addresses
by default. If you need to accept DNS queries over
IPv6, you must specify "listen-on-v6 { any; };"
in the named.conf options statement.
There are known problems with thread signal handling
under Solaris 2.6.
On FreeBSD systems, the server logs error messages
like "fcntl(8, F_SETFL, 4): Inappropriate ioctl for
device". This is due to a bug in the FreeBSD
/dev/random device. The bug has been reported
to the FreeBSD maintainers. Versions of OpenBSD
prior to 2.8 have a similar problem.
--with-libtool does not work on AIX.
For a detailed list of user-visible changes from
previous releases, see the CHANGES file.
Building
BIND 9 currently requires a UNIX system with an ANSI C compiler,
basic POSIX support, and a good pthreads implementation.
We've had successful builds and tests on the following systems:
AIX 4.3
COMPAQ Tru64 UNIX 4.0D
COMPAQ Tru64 UNIX 5 (with IPv6 EAK)
FreeBSD 3.4-STABLE, 3.5, 4.0, 4.1
HP-UX 11
IRIX64 6.5
NetBSD-current (with unproven-pthreads-0.17)
Red Hat Linux 6.0, 6.1, 6.2, 7.0
Solaris 2.6, 7, 8
Additionally, we have unverified reports of success building
previous versions of BIND 9 from users of the following systems:
Slackware Linux 7.0 with 2.4.0-test6 kernel and glibc 2.1.3
Slackware Linux 7.0.1 with glibc 2.1.3
OpenBSD 2.6, 2.8, -current
UnixWare 7.1.1
To build, just
./configure
make
Several environment variables that can be set before running
configure will affect compilation:
CC
The C compiler to use. configure tries to figure
out the right one for supported systems.
CFLAGS
C compiler flags. Defaults to include -g and/or -O2
as supported by the compiler.
STD_CINCLUDES
System header file directories. Can be used to specify
where add-on thread or IPv6 support is, for example.
Defaults to empty string.
STD_CDEFINES
Any additional preprocessor symbols you want defined.
Defaults to empty string.
To build shared libraries, specify "--with-libtool" on the
configure command line.
To build without multithreading, specify "--disable-threads"
on the configure command line.
If your operating system has integrated support for IPv6, it
will be used automatically. If you have installed KAME IPv6
separately, use "--with-kame[=PATH]" to specify its location.
To see additional configure options, run "configure --help".
"make install" will install "named" and the various BIND 9 libraries.
By default, installation is into /usr/local, but this can be changed
with the "--prefix" option when running "configure".
If you're planning on making changes to the BIND 9 source, you
should also "make depend". If you're using Emacs, you might find
"make tags" helpful.
Building with gcc is not supported, unless gcc is the vendor's usual
compiler (e.g. the various BSD systems, Linux).
A limited test suite can be run with "make test". Many of
the tests require you to configure a set of virtual IP addresses
on your system, and some require Perl; see bin/tests/system/README
for details.
Linux systems do not provide useful core dumps for multithreaded
programs unless the kernel patch in contrib/linux/coredump-patch
has been applied. We recommend all Linux users to install this
patch so that any server crashes can be properly diagnosed.
Documentation
The BIND 9 Administrator Reference Manual is included with the
source distribution in DocBook XML and HTML format, in the
doc/arm directory.
Some of the programs in the BIND 9 distribution have man pages
under the doc/man directory. In particular, the command line
options of "named" are documented in doc/man/bind/named.8.
There is now also a set of man pages for the lwres library.
The man pages are currently not installed automatically by
"make install".
If you are upgrading from BIND 8, please read the migration
notes in doc/misc/migration.
Bug Reports and Mailing Lists
Bugs reports should be sent to
bind9-bugs@isc.org
To join the BIND 9 Users mailing list, send mail to
bind9-users-request@isc.org
If you're planning on making changes to the BIND 9 source
code, you might want to join the BIND 9 Workers mailing list.
Send mail to
bind9-workers-request@isc.org

235
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<!--
Copyright (C) Internet Systems Consortium, Inc. ("ISC")
SPDX-License-Identifier: MPL-2.0
This Source Code Form is subject to the terms of the Mozilla Public
License, v. 2.0. If a copy of the MPL was not distributed with this
file, you can obtain one at https://mozilla.org/MPL/2.0/.
See the COPYRIGHT file distributed with this work for additional
information regarding copyright ownership.
-->
# BIND 9
### Contents
1. [Introduction](#intro)
1. [Reporting bugs and getting help](#help)
1. [Contributing to BIND](#contrib)
1. [Building BIND](#build)
1. [Automated testing](#testing)
1. [Documentation](#doc)
1. [Change log](#changes)
1. [Acknowledgments](#ack)
### <a name="intro"/> Introduction
BIND (Berkeley Internet Name Domain) is a complete, highly portable
implementation of the Domain Name System (DNS) protocol.
The BIND name server, `named`, can act as an authoritative name
server, recursive resolver, DNS forwarder, or all three simultaneously. It
implements views for split-horizon DNS, automatic DNSSEC zone signing and
key management, catalog zones to facilitate provisioning of zone data
throughout a name server constellation, response policy zones (RPZ) to
protect clients from malicious data, response rate limiting (RRL) and
recursive query limits to reduce distributed denial of service attacks,
and many other advanced DNS features. BIND also includes a suite of
administrative tools, including the `dig` and `delv` DNS lookup tools,
`nsupdate` for dynamic DNS zone updates, `rndc` for remote name server
administration, and more.
BIND 9 began as a complete rewrite of the BIND architecture that was
used in versions 4 and 8. Internet Systems Consortium
([https://www.isc.org](https://www.isc.org)), a 501(c)(3) US public benefit
corporation dedicated to providing software and services in support of the
Internet infrastructure, developed BIND 9 and is responsible for its
ongoing maintenance and improvement. BIND is open source software
licensed under the terms of the Mozilla Public License, version 2.0.
For a detailed list of changes made throughout the history of BIND 9, see
the file [CHANGES](CHANGES). See [below](#changes) for details on the
CHANGES file format.
For up-to-date versions and release notes, see
[https://www.isc.org/download/](https://www.isc.org/download/).
For information about supported platforms, see the
["Supported Platforms"](doc/arm/platforms.rst) section in the BIND 9
Administrator Reference Manual.
### <a name="help"/> Reporting bugs and getting help
To report non-security-sensitive bugs or request new features, you may
open an issue in the BIND 9 project on the
[ISC GitLab server](https://gitlab.isc.org) at
[https://gitlab.isc.org/isc-projects/bind9](https://gitlab.isc.org/isc-projects/bind9).
Please note that, unless you explicitly mark the newly created issue as
"confidential," it will be publicly readable. Please do not include any
information in bug reports that you consider to be confidential unless
the issue has been marked as such. In particular, if submitting the
contents of your configuration file in a non-confidential issue, it is
advisable to obscure key secrets; this can be done automatically by
using `named-checkconf -px`.
If you are reporting a bug that is a potential security issue, such as an
assertion failure or other crash in `named`, please do *NOT* use GitLab to
report it. Instead, send mail to
[security-officer@isc.org](mailto:security-officer@isc.org) using our
OpenPGP key to secure your message. (Information about OpenPGP and links
to our key can be found at
[https://www.isc.org/pgpkey](https://www.isc.org/pgpkey).) Please do not
discuss the bug on any public mailing list.
For a general overview of ISC security policies, read the Knowledgebase
article at [https://kb.isc.org/docs/aa-00861](https://kb.isc.org/docs/aa-00861).
Professional support and training for BIND are available from
ISC. Contact us at [https://www.isc.org/contact](https://www.isc.org/contact)
for more information.
To join the __BIND Users__ mailing list, or view the archives, visit
[https://lists.isc.org/mailman/listinfo/bind-users](https://lists.isc.org/mailman/listinfo/bind-users).
If you're planning on making changes to the BIND 9 source code, you
may also want to join the __BIND Workers__ mailing list, at
[https://lists.isc.org/mailman/listinfo/bind-workers](https://lists.isc.org/mailman/listinfo/bind-workers).
### <a name="contrib"/> Contributing to BIND
ISC maintains a public git repository for BIND; details can be found
at [https://www.isc.org/sourceaccess/](https://www.isc.org/sourceaccess/).
Information for BIND contributors can be found in the following files:
- General information: [CONTRIBUTING.md](CONTRIBUTING.md)
- Code of Conduct: [CODE_OF_CONDUCT.md](CODE_OF_CONDUCT.md)
- BIND 9 code style: [doc/dev/style.md](doc/dev/style.md)
- BIND architecture and developer guide: [doc/dev/dev.md](doc/dev/dev.md)
Patches for BIND may be submitted as
[merge requests](https://gitlab.isc.org/isc-projects/bind9/merge_requests)
on the [ISC GitLab server](https://gitlab.isc.org).
By default, external contributors do not have the ability to fork BIND on the
GitLab server; if you wish to contribute code to BIND, you may request
permission to do so. Thereafter, you can create git branches and directly
submit requests that they be reviewed and merged.
If you prefer, you may also submit code by opening a
[GitLab issue](https://gitlab.isc.org/isc-projects/bind9/issues) and
including your patch as an attachment, preferably generated by
`git format-patch`.
### <a name="build"/> Building BIND 9
For information about building BIND 9, see the
["Building BIND 9"](doc/arm/build.rst) section in the BIND 9
Administrator Reference Manual.
### <a name="testing"/> Automated testing
A system test suite can be run with `make check`. The system tests require
you to configure a set of virtual IP addresses on your system (this allows
multiple servers to run locally and communicate with each other). These
IP addresses can be configured by running the command
`bin/tests/system/ifconfig.sh up` as root.
Some tests require Perl and the `Net::DNS` and/or `IO::Socket::INET6` modules,
and are skipped if these are not available. Some tests require Python
and the `dnspython` module and are skipped if these are not available.
See bin/tests/system/README for further details.
Unit tests are implemented using the CMocka unit testing framework. To build
them, use `configure --with-cmocka`. Execution of tests is done by the automake
parallel test driver; unit tests are also run by `make check`.
### <a name="doc"/> Documentation
The *BIND 9 Administrator Reference Manual* (ARM) is included with the source
distribution, and in .rst format, in the `doc/arm`
directory. HTML and PDF versions are automatically generated and can
be viewed at [https://bind9.readthedocs.io/en/latest/index.html](https://bind9.readthedocs.io/en/latest/index.html).
Man pages for some of the programs in the BIND 9 distribution
are also included in the BIND ARM.
Frequently (and not-so-frequently) asked questions and their answers
can be found in the ISC Knowledgebase at
[https://kb.isc.org](https://kb.isc.org).
Additional information on various subjects can be found in other
`README` files throughout the source tree.
### <a name="changes"/> Change log
A detailed list of all changes that have been made throughout the
development of BIND 9 is included in the file CHANGES, with the most recent
changes listed first. Change notes include tags indicating the category of
the change that was made; these categories are:
|Category |Description |
|-------------- |-----------------------------------------------|
| [func] | New feature |
| [bug] | General bug fix |
| [security] | Fix for a significant security flaw |
| [experimental] | Used for new features when the syntax or other aspects of the design are still in flux and may change |
| [port] | Portability enhancement |
| [maint] | Updates to built-in data such as root server addresses and keys |
| [tuning] | Changes to built-in configuration defaults and constants to improve performance |
| [performance] | Other changes to improve server performance |
| [protocol] | Updates to the DNS protocol such as new RR types |
| [test] | Changes to the automatic tests, not affecting server functionality |
| [cleanup] | Minor corrections and refactoring |
| [doc] | Documentation |
| [contrib] | Changes to the contributed tools and libraries in the 'contrib' subdirectory |
| [placeholder] | Used in the main development branch to reserve change numbers for use in other branches, e.g., when fixing a bug that only exists in older releases |
In general, [func] and [experimental] tags only appear in new-feature
releases (i.e., those with version numbers ending in zero). Some new
functionality may be backported to older releases on a case-by-case basis.
All other change types may be applied to all currently supported releases.
#### Bug report identifiers
Most notes in the CHANGES file include a reference to a bug report or
issue number. Prior to 2018, these were usually of the form `[RT #NNN]`
and referred to entries in the "bind9-bugs" RT database, which was not open
to the public. More recent entries use the form `[GL #NNN]` or, less often,
`[GL !NNN]`, which, respectively, refer to issues or merge requests in the
GitLab database. Most of these are publicly readable, unless they include
information which is confidential or security-sensitive.
To look up a GitLab issue by its number, use the URL
[https://gitlab.isc.org/isc-projects/bind9/issues/NNN](https://gitlab.isc.org/isc-projects/bind9/issues).
To look up a merge request, use
[https://gitlab.isc.org/isc-projects/bind9/merge_requests/NNN](https://gitlab.isc.org/isc-projects/bind9/merge_requests).
In rare cases, an issue or merge request number may be followed with the
letter "P". This indicates that the information is in the private ISC
GitLab instance, which is not visible to the public.
### <a name="ack"/> Acknowledgments
* The original development of BIND 9 was underwritten by the
following organizations:
Sun Microsystems, Inc.
Hewlett Packard
Compaq Computer Corporation
IBM
Process Software Corporation
Silicon Graphics, Inc.
Network Associates, Inc.
U.S. Defense Information Systems Agency
USENIX Association
Stichting NLnet - NLnet Foundation
Nominum, Inc.
* This product includes software developed by the OpenSSL Project for use
in the OpenSSL Toolkit.
[https://www.OpenSSL.org/](https://www.OpenSSL.org/)
* This product includes cryptographic software written by Eric Young
(eay@cryptsoft.com).
* This product includes software written by Tim Hudson (tjh@cryptsoft.com).

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/*
* Copyright (C) 1999-2001 Internet Software Consortium.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM
* DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
* INTERNET SOFTWARE CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT,
* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
* FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: acconfig.h,v 1.31.2.1 2001/01/09 22:31:06 bwelling Exp $ */
/***
*** This file is not to be included by any public header files, because
*** it does not get installed.
***/
@TOP@
/* define on DEC OSF to enable 4.4BSD style sa_len support */
#undef _SOCKADDR_LEN
/* define if your system needs pthread_init() before using pthreads */
#undef NEED_PTHREAD_INIT
/* define if your system has sigwait() */
#undef HAVE_SIGWAIT
/* define if sigwait() is the UnixWare flavor */
#undef HAVE_UNIXWARE_SIGWAIT
/* define on Solaris to get sigwait() to work using pthreads semantics */
#undef _POSIX_PTHREAD_SEMANTICS
/* define if LinuxThreads is in use */
#undef HAVE_LINUXTHREADS
/* define if sysconf() is available */
#undef HAVE_SYSCONF
/* define if catgets() is available */
#undef HAVE_CATGETS
/* define if you have the NET_RT_IFLIST sysctl variable. */
#undef HAVE_IFLIST_SYSCTL
/* define if you need to #define _XPG4_2 before including sys/socket.h */
#undef NEED_XPG4_2_BEFORE_SOCKET_H
/* define if you need to #define _XOPEN_SOURCE_ENTENDED before including
* sys/socket.h
*/
#undef NEED_XSE_BEFORE_SOCKET_H
/* define if chroot() is available */
#undef HAVE_CHROOT
/* define if struct addrinfo exists */
#undef HAVE_ADDRINFO
/* define is getaddrinfo() exists */
#undef HAVE_GETADDRINFO
/* define if pthread_setconcurrency() should be called to tell the
* OS how many threads we might want to run.
*/
#undef CALL_PTHREAD_SETCONCURRENCY
/* define if IPv6 is not disabled */
#undef WANT_IPV6
/* define if flockfile() is available */
#undef HAVE_FLOCKFILE
/* define if rlim_t is defined via sys/types.h or sys/resource.h */
#undef HAVE_RLIM_T
/* Shut up warnings about sputaux in stdio.h on BSD/OS pre-4.1 */
#undef SHUTUP_SPUTAUX
#ifdef SHUTUP_SPUTAUX
struct __sFILE;
extern __inline int __sputaux(int _c, struct __sFILE *_p);
#endif
/* Shut up warnings about missing sigwait prototype on BSD/OS 4.0* */
#undef SHUTUP_SIGWAIT
#ifdef SHUTUP_SIGWAIT
int sigwait(const unsigned int *set, int *sig);
#endif
/* Shut up warnings from gcc -Wcast-qual on BSD/OS 4.1. */
#undef SHUTUP_STDARG_CAST
#if defined(SHUTUP_STDARG_CAST) && defined(__GNUC__)
#include <stdarg.h> /* Grr. Must be included *every time*. */
/*
* The silly continuation line is to keep configure from
* commenting out the #undef.
*/
#undef \
va_start
#define va_start(ap, last) \
do { \
union { const void *konst; long *var; } _u; \
_u.konst = &(last); \
ap = (va_list)(_u.var + __va_words(__typeof(last))); \
} while (0)
#endif /* SHUTUP_STDARG_CAST && __GNUC__ */
/* define if the system has a random number generating device */
#undef PATH_RANDOMDEV
/* define if pthread_attr_getstacksize() is available */
#undef HAVE_PTHREAD_ATTR_GETSTACKSIZE

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sinclude(./libtool.m4)dnl

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SUBDIRS = named rndc dig delv dnssec tools nsupdate check confgen tests plugins

25
bin/Makefile.in Normal file
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# Copyright (C) 1998-2001 Internet Software Consortium.
#
# Permission to use, copy, modify, and distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM
# DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
# INTERNET SOFTWARE CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT,
# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
# FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
# NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
# WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
# $Id: Makefile.in,v 1.21.2.1 2001/01/09 22:31:11 bwelling Exp $
srcdir = @srcdir@
VPATH = @srcdir@
top_srcdir = @top_srcdir@
SUBDIRS = named rndc dig dnssec tests nsupdate check
TARGETS =
@BIND9_MAKE_RULES@

6
bin/check/.cvsignore Normal file
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Makefile
.libs
*.la
*.lo
named-checkconf
named-checkzone

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.libs
named-checkconf
named-checkzone

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@@ -1,34 +0,0 @@
include $(top_srcdir)/Makefile.top
AM_CPPFLAGS += \
$(LIBISC_CFLAGS) \
$(LIBDNS_CFLAGS) \
$(LIBNS_CFLAGS) \
$(LIBISCCFG_CFLAGS) \
$(LIBBIND9_CFLAGS)
AM_CPPFLAGS += \
-DNAMED_CONFFILE=\"${sysconfdir}/named.conf\"
noinst_LTLIBRARIES = libcheck-tool.la
libcheck_tool_la_SOURCES = \
check-tool.h \
check-tool.c
LDADD += \
libcheck-tool.la \
$(LIBISC_LIBS) \
$(LIBDNS_LIBS) \
$(LIBNS_LIBS) \
$(LIBISCCFG_LIBS) \
$(LIBBIND9_LIBS)
bin_PROGRAMS = named-checkconf named-checkzone
install-exec-hook:
ln -f $(DESTDIR)$(bindir)/named-checkzone \
$(DESTDIR)$(bindir)/named-compilezone
uninstall-hook:
-rm -f $(DESTDIR)$(bindir)/named-compilezone

63
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# Copyright (C) 2000, 2001 Internet Software Consortium.
#
# Permission to use, copy, modify, and distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM
# DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
# INTERNET SOFTWARE CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT,
# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
# FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
# NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
# WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
# $Id: Makefile.in,v 1.5.2.1 2001/01/09 22:31:13 bwelling Exp $
srcdir = @srcdir@
VPATH = @srcdir@
top_srcdir = @top_srcdir@
@BIND9_INCLUDES@
CINCLUDES = ${DNS_INCLUDES} ${ISC_INCLUDES}
CDEFINES =
CWARNINGS =
DNSLIBS = ../../lib/dns/libdns.@A@ @DNS_OPENSSL_LIBS@ @DNS_GSSAPI_LIBS@
ISCLIBS = ../../lib/isc/libisc.@A@
DNSDEPLIBS = ../../lib/dns/libdns.@A@
ISCDEPLIBS = ../../lib/isc/libisc.@A@
LIBS = @LIBS@
SUBDIRS =
# Alphabetically
TARGETS = named-checkconf named-checkzone
# Alphabetically
SRCS = named-checkconf.c named-checkzone.c check-tool.c
@BIND9_MAKE_RULES@
named-checkconf: named-checkconf.@O@ check-tool.@O@ ${ISCDEPLIBS} ${DNSDEPLIBS}
${LIBTOOL} ${CC} ${CFLAGS} -o $@ named-checkconf.@O@ check-tool.@O@ \
${DNSLIBS} ${ISCLIBS} ${LIBS}
named-checkzone: named-checkzone.@O@ check-tool.@O@ ${ISCDEPLIBS} ${DNSDEPLIBS}
${LIBTOOL} ${CC} ${CFLAGS} -o $@ named-checkzone.@O@ check-tool.@O@ \
${DNSLIBS} ${ISCLIBS} ${LIBS}
clean distclean::
rm -f ${TARGETS}
installdirs:
$(SHELL) ${top_srcdir}/mkinstalldirs ${DESTDIR}${sbindir}
install:: named-checkconf named-checkzone
${LIBTOOL} ${INSTALL_PROGRAM} named-checkconf ${DESTDIR}${sbindir}
${LIBTOOL} ${INSTALL_PROGRAM} named-checkzone ${DESTDIR}${sbindir}

View File

@@ -1,690 +1,56 @@
/*
* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
* Copyright (C) 2000, 2001 Internet Software Consortium.
*
* SPDX-License-Identifier: MPL-2.0
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, you can obtain one at https://mozilla.org/MPL/2.0/.
*
* See the COPYRIGHT file distributed with this work for additional
* information regarding copyright ownership.
* THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM
* DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
* INTERNET SOFTWARE CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT,
* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
* FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/*! \file */
/* $Id: check-tool.c,v 1.2.2.1 2001/01/09 22:31:14 bwelling Exp $ */
#include <config.h>
#include <inttypes.h>
#include <stdbool.h>
#include <stdio.h>
#include <isc/buffer.h>
#include <isc/log.h>
#include <isc/mem.h>
#include <isc/net.h>
#include <isc/netdb.h>
#include <isc/print.h>
#include <isc/region.h>
#include <isc/result.h>
#include <isc/stdio.h>
#include <isc/string.h>
#include <isc/symtab.h>
#include <isc/types.h>
#include "check-tool.h"
#include <isc/util.h>
#include <dns/db.h>
#include <dns/dbiterator.h>
#include <dns/fixedname.h>
#include <isc/log.h>
#include <isc/types.h>
#include <dns/log.h>
#include <dns/name.h>
#include <dns/rdata.h>
#include <dns/rdataclass.h>
#include <dns/rdataset.h>
#include <dns/rdatasetiter.h>
#include <dns/rdatatype.h>
#include <dns/types.h>
#include <dns/zone.h>
#include <isccfg/log.h>
#include <ns/log.h>
#include "check-tool.h"
#ifndef CHECK_SIBLING
#define CHECK_SIBLING 1
#endif /* ifndef CHECK_SIBLING */
#ifndef CHECK_LOCAL
#define CHECK_LOCAL 1
#endif /* ifndef CHECK_LOCAL */
#define CHECK(r) \
do { \
result = (r); \
if (result != ISC_R_SUCCESS) \
goto cleanup; \
} while (0)
#define ERR_IS_CNAME 1
#define ERR_NO_ADDRESSES 2
#define ERR_LOOKUP_FAILURE 3
#define ERR_EXTRA_A 4
#define ERR_EXTRA_AAAA 5
#define ERR_MISSING_GLUE 5
#define ERR_IS_MXCNAME 6
#define ERR_IS_SRVCNAME 7
static const char *dbtype[] = { "rbt" };
int debug = 0;
const char *journal = NULL;
bool nomerge = true;
#if CHECK_LOCAL
bool docheckmx = true;
bool dochecksrv = true;
bool docheckns = true;
#else /* if CHECK_LOCAL */
bool docheckmx = false;
bool dochecksrv = false;
bool docheckns = false;
#endif /* if CHECK_LOCAL */
dns_zoneopt_t zone_options = DNS_ZONEOPT_CHECKNS | DNS_ZONEOPT_CHECKMX |
DNS_ZONEOPT_MANYERRORS | DNS_ZONEOPT_CHECKNAMES |
DNS_ZONEOPT_CHECKINTEGRITY |
#if CHECK_SIBLING
DNS_ZONEOPT_CHECKSIBLING |
#endif /* if CHECK_SIBLING */
DNS_ZONEOPT_CHECKWILDCARD |
DNS_ZONEOPT_WARNMXCNAME | DNS_ZONEOPT_WARNSRVCNAME;
/*
* This needs to match the list in bin/named/log.c.
*/
static isc_logcategory_t categories[] = { { "", 0 },
{ "unmatched", 0 },
{ NULL, 0 } };
static isc_symtab_t *symtab = NULL;
static isc_mem_t *sym_mctx;
static void
freekey(char *key, unsigned int type, isc_symvalue_t value, void *userarg) {
UNUSED(type);
UNUSED(value);
isc_mem_free(userarg, key);
}
static void
add(char *key, int value) {
isc_result_t result;
isc_symvalue_t symvalue;
if (sym_mctx == NULL) {
isc_mem_create(&sym_mctx);
}
if (symtab == NULL) {
result = isc_symtab_create(sym_mctx, 100, freekey, sym_mctx,
false, &symtab);
if (result != ISC_R_SUCCESS) {
return;
}
}
key = isc_mem_strdup(sym_mctx, key);
symvalue.as_pointer = NULL;
result = isc_symtab_define(symtab, key, value, symvalue,
isc_symexists_reject);
if (result != ISC_R_SUCCESS) {
isc_mem_free(sym_mctx, key);
}
}
static bool
logged(char *key, int value) {
isc_result_t result;
if (symtab == NULL) {
return (false);
}
result = isc_symtab_lookup(symtab, key, value, NULL);
if (result == ISC_R_SUCCESS) {
return (true);
}
return (false);
}
static bool
checkns(dns_zone_t *zone, const dns_name_t *name, const dns_name_t *owner,
dns_rdataset_t *a, dns_rdataset_t *aaaa) {
dns_rdataset_t *rdataset;
dns_rdata_t rdata = DNS_RDATA_INIT;
struct addrinfo hints, *ai, *cur;
char namebuf[DNS_NAME_FORMATSIZE + 1];
char ownerbuf[DNS_NAME_FORMATSIZE];
char addrbuf[sizeof("xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:123.123.123.123")];
bool answer = true;
bool match;
const char *type;
void *ptr = NULL;
int result;
REQUIRE(a == NULL || !dns_rdataset_isassociated(a) ||
a->type == dns_rdatatype_a);
REQUIRE(aaaa == NULL || !dns_rdataset_isassociated(aaaa) ||
aaaa->type == dns_rdatatype_aaaa);
if (a == NULL || aaaa == NULL) {
return (answer);
}
memset(&hints, 0, sizeof(hints));
hints.ai_flags = AI_CANONNAME;
hints.ai_family = PF_UNSPEC;
hints.ai_socktype = SOCK_STREAM;
hints.ai_protocol = IPPROTO_TCP;
dns_name_format(name, namebuf, sizeof(namebuf) - 1);
/*
* Turn off search.
*/
if (dns_name_countlabels(name) > 1U) {
strlcat(namebuf, ".", sizeof(namebuf));
}
dns_name_format(owner, ownerbuf, sizeof(ownerbuf));
result = getaddrinfo(namebuf, NULL, &hints, &ai);
dns_name_format(name, namebuf, sizeof(namebuf) - 1);
switch (result) {
case 0:
/*
* Work around broken getaddrinfo() implementations that
* fail to set ai_canonname on first entry.
*/
cur = ai;
while (cur != NULL && cur->ai_canonname == NULL &&
cur->ai_next != NULL) {
cur = cur->ai_next;
}
if (cur != NULL && cur->ai_canonname != NULL &&
strcasecmp(cur->ai_canonname, namebuf) != 0 &&
!logged(namebuf, ERR_IS_CNAME))
{
dns_zone_log(zone, ISC_LOG_ERROR,
"%s/NS '%s' (out of zone) "
"is a CNAME '%s' (illegal)",
ownerbuf, namebuf, cur->ai_canonname);
/* XXX950 make fatal for 9.5.0 */
/* answer = false; */
add(namebuf, ERR_IS_CNAME);
}
break;
case EAI_NONAME:
#if defined(EAI_NODATA) && (EAI_NODATA != EAI_NONAME)
case EAI_NODATA:
#endif /* if defined(EAI_NODATA) && (EAI_NODATA != EAI_NONAME) */
if (!logged(namebuf, ERR_NO_ADDRESSES)) {
dns_zone_log(zone, ISC_LOG_ERROR,
"%s/NS '%s' (out of zone) "
"has no addresses records (A or AAAA)",
ownerbuf, namebuf);
add(namebuf, ERR_NO_ADDRESSES);
}
/* XXX950 make fatal for 9.5.0 */
return (true);
default:
if (!logged(namebuf, ERR_LOOKUP_FAILURE)) {
dns_zone_log(zone, ISC_LOG_WARNING,
"getaddrinfo(%s) failed: %s", namebuf,
gai_strerror(result));
add(namebuf, ERR_LOOKUP_FAILURE);
}
return (true);
}
/*
* Check that all glue records really exist.
*/
if (!dns_rdataset_isassociated(a)) {
goto checkaaaa;
}
result = dns_rdataset_first(a);
while (result == ISC_R_SUCCESS) {
dns_rdataset_current(a, &rdata);
match = false;
for (cur = ai; cur != NULL; cur = cur->ai_next) {
if (cur->ai_family != AF_INET) {
continue;
}
ptr = &((struct sockaddr_in *)(cur->ai_addr))->sin_addr;
if (memcmp(ptr, rdata.data, rdata.length) == 0) {
match = true;
break;
}
}
if (!match && !logged(namebuf, ERR_EXTRA_A)) {
dns_zone_log(zone, ISC_LOG_ERROR,
"%s/NS '%s' "
"extra GLUE A record (%s)",
ownerbuf, namebuf,
inet_ntop(AF_INET, rdata.data, addrbuf,
sizeof(addrbuf)));
add(namebuf, ERR_EXTRA_A);
/* XXX950 make fatal for 9.5.0 */
/* answer = false; */
}
dns_rdata_reset(&rdata);
result = dns_rdataset_next(a);
}
checkaaaa:
if (!dns_rdataset_isassociated(aaaa)) {
goto checkmissing;
}
result = dns_rdataset_first(aaaa);
while (result == ISC_R_SUCCESS) {
dns_rdataset_current(aaaa, &rdata);
match = false;
for (cur = ai; cur != NULL; cur = cur->ai_next) {
if (cur->ai_family != AF_INET6) {
continue;
}
ptr = &((struct sockaddr_in6 *)(cur->ai_addr))
->sin6_addr;
if (memcmp(ptr, rdata.data, rdata.length) == 0) {
match = true;
break;
}
}
if (!match && !logged(namebuf, ERR_EXTRA_AAAA)) {
dns_zone_log(zone, ISC_LOG_ERROR,
"%s/NS '%s' "
"extra GLUE AAAA record (%s)",
ownerbuf, namebuf,
inet_ntop(AF_INET6, rdata.data, addrbuf,
sizeof(addrbuf)));
add(namebuf, ERR_EXTRA_AAAA);
/* XXX950 make fatal for 9.5.0. */
/* answer = false; */
}
dns_rdata_reset(&rdata);
result = dns_rdataset_next(aaaa);
}
checkmissing:
/*
* Check that all addresses appear in the glue.
*/
if (!logged(namebuf, ERR_MISSING_GLUE)) {
bool missing_glue = false;
for (cur = ai; cur != NULL; cur = cur->ai_next) {
switch (cur->ai_family) {
case AF_INET:
rdataset = a;
ptr = &((struct sockaddr_in *)(cur->ai_addr))
->sin_addr;
type = "A";
break;
case AF_INET6:
rdataset = aaaa;
ptr = &((struct sockaddr_in6 *)(cur->ai_addr))
->sin6_addr;
type = "AAAA";
break;
default:
continue;
}
match = false;
if (dns_rdataset_isassociated(rdataset)) {
result = dns_rdataset_first(rdataset);
} else {
result = ISC_R_FAILURE;
}
while (result == ISC_R_SUCCESS && !match) {
dns_rdataset_current(rdataset, &rdata);
if (memcmp(ptr, rdata.data, rdata.length) == 0)
{
match = true;
}
dns_rdata_reset(&rdata);
result = dns_rdataset_next(rdataset);
}
if (!match) {
dns_zone_log(zone, ISC_LOG_ERROR,
"%s/NS '%s' "
"missing GLUE %s record (%s)",
ownerbuf, namebuf, type,
inet_ntop(cur->ai_family, ptr,
addrbuf,
sizeof(addrbuf)));
/* XXX950 make fatal for 9.5.0. */
/* answer = false; */
missing_glue = true;
}
}
if (missing_glue) {
add(namebuf, ERR_MISSING_GLUE);
}
}
freeaddrinfo(ai);
return (answer);
}
static bool
checkmx(dns_zone_t *zone, const dns_name_t *name, const dns_name_t *owner) {
struct addrinfo hints, *ai, *cur;
char namebuf[DNS_NAME_FORMATSIZE + 1];
char ownerbuf[DNS_NAME_FORMATSIZE];
int result;
int level = ISC_LOG_ERROR;
bool answer = true;
memset(&hints, 0, sizeof(hints));
hints.ai_flags = AI_CANONNAME;
hints.ai_family = PF_UNSPEC;
hints.ai_socktype = SOCK_STREAM;
hints.ai_protocol = IPPROTO_TCP;
dns_name_format(name, namebuf, sizeof(namebuf) - 1);
/*
* Turn off search.
*/
if (dns_name_countlabels(name) > 1U) {
strlcat(namebuf, ".", sizeof(namebuf));
}
dns_name_format(owner, ownerbuf, sizeof(ownerbuf));
result = getaddrinfo(namebuf, NULL, &hints, &ai);
dns_name_format(name, namebuf, sizeof(namebuf) - 1);
switch (result) {
case 0:
/*
* Work around broken getaddrinfo() implementations that
* fail to set ai_canonname on first entry.
*/
cur = ai;
while (cur != NULL && cur->ai_canonname == NULL &&
cur->ai_next != NULL) {
cur = cur->ai_next;
}
if (cur != NULL && cur->ai_canonname != NULL &&
strcasecmp(cur->ai_canonname, namebuf) != 0)
{
if ((zone_options & DNS_ZONEOPT_WARNMXCNAME) != 0) {
level = ISC_LOG_WARNING;
}
if ((zone_options & DNS_ZONEOPT_IGNOREMXCNAME) == 0) {
if (!logged(namebuf, ERR_IS_MXCNAME)) {
dns_zone_log(zone, level,
"%s/MX '%s' (out of zone)"
" is a CNAME '%s' "
"(illegal)",
ownerbuf, namebuf,
cur->ai_canonname);
add(namebuf, ERR_IS_MXCNAME);
}
if (level == ISC_LOG_ERROR) {
answer = false;
}
}
}
freeaddrinfo(ai);
return (answer);
case EAI_NONAME:
#if defined(EAI_NODATA) && (EAI_NODATA != EAI_NONAME)
case EAI_NODATA:
#endif /* if defined(EAI_NODATA) && (EAI_NODATA != EAI_NONAME) */
if (!logged(namebuf, ERR_NO_ADDRESSES)) {
dns_zone_log(zone, ISC_LOG_ERROR,
"%s/MX '%s' (out of zone) "
"has no addresses records (A or AAAA)",
ownerbuf, namebuf);
add(namebuf, ERR_NO_ADDRESSES);
}
/* XXX950 make fatal for 9.5.0. */
return (true);
default:
if (!logged(namebuf, ERR_LOOKUP_FAILURE)) {
dns_zone_log(zone, ISC_LOG_WARNING,
"getaddrinfo(%s) failed: %s", namebuf,
gai_strerror(result));
add(namebuf, ERR_LOOKUP_FAILURE);
}
return (true);
}
}
static bool
checksrv(dns_zone_t *zone, const dns_name_t *name, const dns_name_t *owner) {
struct addrinfo hints, *ai, *cur;
char namebuf[DNS_NAME_FORMATSIZE + 1];
char ownerbuf[DNS_NAME_FORMATSIZE];
int result;
int level = ISC_LOG_ERROR;
bool answer = true;
memset(&hints, 0, sizeof(hints));
hints.ai_flags = AI_CANONNAME;
hints.ai_family = PF_UNSPEC;
hints.ai_socktype = SOCK_STREAM;
hints.ai_protocol = IPPROTO_TCP;
dns_name_format(name, namebuf, sizeof(namebuf) - 1);
/*
* Turn off search.
*/
if (dns_name_countlabels(name) > 1U) {
strlcat(namebuf, ".", sizeof(namebuf));
}
dns_name_format(owner, ownerbuf, sizeof(ownerbuf));
result = getaddrinfo(namebuf, NULL, &hints, &ai);
dns_name_format(name, namebuf, sizeof(namebuf) - 1);
switch (result) {
case 0:
/*
* Work around broken getaddrinfo() implementations that
* fail to set ai_canonname on first entry.
*/
cur = ai;
while (cur != NULL && cur->ai_canonname == NULL &&
cur->ai_next != NULL) {
cur = cur->ai_next;
}
if (cur != NULL && cur->ai_canonname != NULL &&
strcasecmp(cur->ai_canonname, namebuf) != 0)
{
if ((zone_options & DNS_ZONEOPT_WARNSRVCNAME) != 0) {
level = ISC_LOG_WARNING;
}
if ((zone_options & DNS_ZONEOPT_IGNORESRVCNAME) == 0) {
if (!logged(namebuf, ERR_IS_SRVCNAME)) {
dns_zone_log(zone, level,
"%s/SRV '%s'"
" (out of zone) is a "
"CNAME '%s' (illegal)",
ownerbuf, namebuf,
cur->ai_canonname);
add(namebuf, ERR_IS_SRVCNAME);
}
if (level == ISC_LOG_ERROR) {
answer = false;
}
}
}
freeaddrinfo(ai);
return (answer);
case EAI_NONAME:
#if defined(EAI_NODATA) && (EAI_NODATA != EAI_NONAME)
case EAI_NODATA:
#endif /* if defined(EAI_NODATA) && (EAI_NODATA != EAI_NONAME) */
if (!logged(namebuf, ERR_NO_ADDRESSES)) {
dns_zone_log(zone, ISC_LOG_ERROR,
"%s/SRV '%s' (out of zone) "
"has no addresses records (A or AAAA)",
ownerbuf, namebuf);
add(namebuf, ERR_NO_ADDRESSES);
}
/* XXX950 make fatal for 9.5.0. */
return (true);
default:
if (!logged(namebuf, ERR_LOOKUP_FAILURE)) {
dns_zone_log(zone, ISC_LOG_WARNING,
"getaddrinfo(%s) failed: %s", namebuf,
gai_strerror(result));
add(namebuf, ERR_LOOKUP_FAILURE);
}
return (true);
}
}
isc_result_t
setup_logging(isc_mem_t *mctx, FILE *errout, isc_log_t **logp) {
setup_logging(isc_mem_t *mctx, isc_log_t **logp) {
isc_logdestination_t destination;
isc_logconfig_t *logconfig = NULL;
isc_log_t *log = NULL;
isc_log_create(mctx, &log, &logconfig);
isc_log_registercategories(log, categories);
RUNTIME_CHECK(isc_log_create(mctx, &log, &logconfig) == ISC_R_SUCCESS);
isc_log_setcontext(log);
dns_log_init(log);
dns_log_setcontext(log);
cfg_log_init(log);
ns_log_init(log);
destination.file.stream = errout;
destination.file.stream = stdout;
destination.file.name = NULL;
destination.file.versions = ISC_LOG_ROLLNEVER;
destination.file.maximum_size = 0;
isc_log_createchannel(logconfig, "stderr", ISC_LOG_TOFILEDESC,
ISC_LOG_DYNAMIC, &destination, 0);
RUNTIME_CHECK(isc_log_usechannel(logconfig, "stderr", NULL, NULL) ==
ISC_R_SUCCESS);
RUNTIME_CHECK(isc_log_createchannel(logconfig, "stderr",
ISC_LOG_TOFILEDESC,
ISC_LOG_DYNAMIC,
&destination, 0) == ISC_R_SUCCESS);
RUNTIME_CHECK(isc_log_usechannel(logconfig, "stderr",
NULL, NULL) == ISC_R_SUCCESS);
*logp = log;
return (ISC_R_SUCCESS);
}
/*% load the zone */
isc_result_t
load_zone(isc_mem_t *mctx, const char *zonename, const char *filename,
dns_masterformat_t fileformat, const char *classname,
dns_ttl_t maxttl, dns_zone_t **zonep) {
isc_result_t result;
dns_rdataclass_t rdclass;
isc_textregion_t region;
isc_buffer_t buffer;
dns_fixedname_t fixorigin;
dns_name_t *origin;
dns_zone_t *zone = NULL;
REQUIRE(zonep == NULL || *zonep == NULL);
if (debug) {
fprintf(stderr, "loading \"%s\" from \"%s\" class \"%s\"\n",
zonename, filename, classname);
}
CHECK(dns_zone_create(&zone, mctx, 0));
dns_zone_settype(zone, dns_zone_primary);
isc_buffer_constinit(&buffer, zonename, strlen(zonename));
isc_buffer_add(&buffer, strlen(zonename));
origin = dns_fixedname_initname(&fixorigin);
CHECK(dns_name_fromtext(origin, &buffer, dns_rootname, 0, NULL));
CHECK(dns_zone_setorigin(zone, origin));
dns_zone_setdbtype(zone, 1, (const char *const *)dbtype);
if (strcmp(filename, "-") == 0) {
CHECK(dns_zone_setstream(zone, stdin, fileformat,
&dns_master_style_default));
} else {
CHECK(dns_zone_setfile(zone, filename, fileformat,
&dns_master_style_default));
}
if (journal != NULL) {
CHECK(dns_zone_setjournal(zone, journal));
}
DE_CONST(classname, region.base);
region.length = strlen(classname);
CHECK(dns_rdataclass_fromtext(&rdclass, &region));
dns_zone_setclass(zone, rdclass);
dns_zone_setoption(zone, zone_options, true);
dns_zone_setoption(zone, DNS_ZONEOPT_NOMERGE, nomerge);
dns_zone_setmaxttl(zone, maxttl);
if (docheckmx) {
dns_zone_setcheckmx(zone, checkmx);
}
if (docheckns) {
dns_zone_setcheckns(zone, checkns);
}
if (dochecksrv) {
dns_zone_setchecksrv(zone, checksrv);
}
CHECK(dns_zone_load(zone, false));
if (zonep != NULL) {
*zonep = zone;
zone = NULL;
}
cleanup:
if (zone != NULL) {
dns_zone_detach(&zone);
}
return (result);
}
/*% dump the zone */
isc_result_t
dump_zone(const char *zonename, dns_zone_t *zone, const char *filename,
dns_masterformat_t fileformat, const dns_master_style_t *style,
const uint32_t rawversion) {
isc_result_t result;
FILE *output = stdout;
const char *flags;
flags = (fileformat == dns_masterformat_text) ? "w" : "wb";
if (debug) {
if (filename != NULL && strcmp(filename, "-") != 0) {
fprintf(stderr, "dumping \"%s\" to \"%s\"\n", zonename,
filename);
} else {
fprintf(stderr, "dumping \"%s\"\n", zonename);
}
}
if (filename != NULL && strcmp(filename, "-") != 0) {
result = isc_stdio_open(filename, flags, &output);
if (result != ISC_R_SUCCESS) {
fprintf(stderr,
"could not open output "
"file \"%s\" for writing\n",
filename);
return (ISC_R_FAILURE);
}
}
result = dns_zone_dumptostream(zone, output, fileformat, style,
rawversion);
if (output != stdout) {
(void)isc_stdio_close(output);
}
return (result);
}

View File

@@ -1,52 +1,34 @@
/*
* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
* Copyright (C) 2000, 2001 Internet Software Consortium.
*
* SPDX-License-Identifier: MPL-2.0
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, you can obtain one at https://mozilla.org/MPL/2.0/.
*
* See the COPYRIGHT file distributed with this work for additional
* information regarding copyright ownership.
* THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM
* DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
* INTERNET SOFTWARE CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT,
* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
* FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#pragma once
/* $Id: check-tool.h,v 1.1.2.1 2001/01/09 22:31:15 bwelling Exp $ */
/*! \file */
#include <inttypes.h>
#include <stdbool.h>
#ifndef CHECK_TOOL_H
#define CHECK_TOOL_H
#include <isc/lang.h>
#include <isc/stdio.h>
#include <isc/types.h>
#include <dns/masterdump.h>
#include <dns/types.h>
#include <dns/zone.h>
#include <isc/types.h>
ISC_LANG_BEGINDECLS
isc_result_t
setup_logging(isc_mem_t *mctx, FILE *errout, isc_log_t **logp);
isc_result_t
load_zone(isc_mem_t *mctx, const char *zonename, const char *filename,
dns_masterformat_t fileformat, const char *classname,
dns_ttl_t maxttl, dns_zone_t **zonep);
isc_result_t
dump_zone(const char *zonename, dns_zone_t *zone, const char *filename,
dns_masterformat_t fileformat, const dns_master_style_t *style,
const uint32_t rawversion);
extern int debug;
extern const char *journal;
extern bool nomerge;
extern bool docheckmx;
extern bool docheckns;
extern bool dochecksrv;
extern dns_zoneopt_t zone_options;
setup_logging(isc_mem_t *mctx, isc_log_t **logp);
ISC_LANG_ENDDECLS
#endif

View File

@@ -1,740 +1,87 @@
/*
* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
* Copyright (C) 1999-2001 Internet Software Consortium.
*
* SPDX-License-Identifier: MPL-2.0
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, you can obtain one at https://mozilla.org/MPL/2.0/.
*
* See the COPYRIGHT file distributed with this work for additional
* information regarding copyright ownership.
* THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM
* DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
* INTERNET SOFTWARE CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT,
* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
* FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/*! \file */
/* $Id: named-checkconf.c,v 1.2.2.1 2001/01/09 22:31:16 bwelling Exp $ */
#include <config.h>
#include <errno.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <isc/attributes.h>
#include <isc/commandline.h>
#include <isc/dir.h>
#include <isc/hash.h>
#include <isc/log.h>
#include <isc/mem.h>
#include <isc/print.h>
#include <isc/result.h>
#include <isc/string.h>
#include <isc/util.h>
#include <dns/db.h>
#include <dns/fixedname.h>
#include <dns/log.h>
#include <dns/name.h>
#include <dns/rdataclass.h>
#include <dns/rootns.h>
#include <dns/zone.h>
#include <isccfg/grammar.h>
#include <isccfg/namedconf.h>
#include <bind9/check.h>
#include <dns/namedconf.h>
#include "check-tool.h"
static const char *program = "named-checkconf";
static bool loadplugins = true;
isc_log_t *logc = NULL;
#define CHECK(r) \
do { \
result = (r); \
if (result != ISC_R_SUCCESS) \
goto cleanup; \
} while (0)
/*% usage */
noreturn static void
usage(void);
static void
usage(void) {
fprintf(stderr,
"usage: %s [-chijlvz] [-p [-x]] [-t directory] "
"[named.conf]\n",
program);
exit(1);
}
/*% directory callback */
static isc_result_t
directory_callback(const char *clausename, const cfg_obj_t *obj, void *arg) {
isc_result_t result;
const char *directory;
zonecbk(dns_c_ctx_t *ctx, dns_c_zone_t *zone, dns_c_view_t *view, void *uap) {
REQUIRE(strcasecmp("directory", clausename) == 0);
UNUSED(arg);
UNUSED(clausename);
/*
* Change directory.
*/
directory = cfg_obj_asstring(obj);
result = isc_dir_chdir(directory);
if (result != ISC_R_SUCCESS) {
cfg_obj_log(obj, logc, ISC_LOG_ERROR,
"change directory to '%s' failed: %s\n", directory,
isc_result_totext(result));
return (result);
}
UNUSED(ctx);
UNUSED(uap);
UNUSED(zone);
UNUSED(view);
return (ISC_R_SUCCESS);
}
static bool
get_maps(const cfg_obj_t **maps, const char *name, const cfg_obj_t **obj) {
int i;
for (i = 0;; i++) {
if (maps[i] == NULL) {
return (false);
}
if (cfg_map_get(maps[i], name, obj) == ISC_R_SUCCESS) {
return (true);
}
}
}
static bool
get_checknames(const cfg_obj_t **maps, const cfg_obj_t **obj) {
const cfg_listelt_t *element;
const cfg_obj_t *checknames;
const cfg_obj_t *type;
const cfg_obj_t *value;
isc_result_t result;
int i;
for (i = 0;; i++) {
if (maps[i] == NULL) {
return (false);
}
checknames = NULL;
result = cfg_map_get(maps[i], "check-names", &checknames);
if (result != ISC_R_SUCCESS) {
continue;
}
if (checknames != NULL && !cfg_obj_islist(checknames)) {
*obj = checknames;
return (true);
}
for (element = cfg_list_first(checknames); element != NULL;
element = cfg_list_next(element))
{
value = cfg_listelt_value(element);
type = cfg_tuple_get(value, "type");
if ((strcasecmp(cfg_obj_asstring(type), "primary") !=
0) &&
(strcasecmp(cfg_obj_asstring(type), "master") != 0))
{
continue;
}
*obj = cfg_tuple_get(value, "mode");
return (true);
}
}
}
static isc_result_t
configure_hint(const char *zfile, const char *zclass, isc_mem_t *mctx) {
isc_result_t result;
dns_db_t *db = NULL;
dns_rdataclass_t rdclass;
isc_textregion_t r;
optscbk(dns_c_ctx_t *ctx, void *uap) {
UNUSED(ctx);
UNUSED(uap);
if (zfile == NULL) {
return (ISC_R_FAILURE);
}
DE_CONST(zclass, r.base);
r.length = strlen(zclass);
result = dns_rdataclass_fromtext(&rdclass, &r);
if (result != ISC_R_SUCCESS) {
return (result);
}
result = dns_rootns_create(mctx, rdclass, zfile, &db);
if (result != ISC_R_SUCCESS) {
return (result);
}
dns_db_detach(&db);
return (ISC_R_SUCCESS);
}
/*% configure the zone */
static isc_result_t
configure_zone(const char *vclass, const char *view, const cfg_obj_t *zconfig,
const cfg_obj_t *vconfig, const cfg_obj_t *config,
isc_mem_t *mctx, bool list) {
int i = 0;
isc_result_t result;
const char *zclass;
const char *zname;
const char *zfile = NULL;
const cfg_obj_t *maps[4];
const cfg_obj_t *primariesobj = NULL;
const cfg_obj_t *inviewobj = NULL;
const cfg_obj_t *zoptions = NULL;
const cfg_obj_t *classobj = NULL;
const cfg_obj_t *typeobj = NULL;
const cfg_obj_t *fileobj = NULL;
const cfg_obj_t *dlzobj = NULL;
const cfg_obj_t *dbobj = NULL;
const cfg_obj_t *obj = NULL;
const cfg_obj_t *fmtobj = NULL;
dns_masterformat_t masterformat;
dns_ttl_t maxttl = 0;
zone_options = DNS_ZONEOPT_CHECKNS | DNS_ZONEOPT_MANYERRORS;
zname = cfg_obj_asstring(cfg_tuple_get(zconfig, "name"));
classobj = cfg_tuple_get(zconfig, "class");
if (!cfg_obj_isstring(classobj)) {
zclass = vclass;
} else {
zclass = cfg_obj_asstring(classobj);
}
zoptions = cfg_tuple_get(zconfig, "options");
maps[i++] = zoptions;
if (vconfig != NULL) {
maps[i++] = cfg_tuple_get(vconfig, "options");
}
if (config != NULL) {
cfg_map_get(config, "options", &obj);
if (obj != NULL) {
maps[i++] = obj;
}
}
maps[i] = NULL;
cfg_map_get(zoptions, "in-view", &inviewobj);
if (inviewobj != NULL && list) {
const char *inview = cfg_obj_asstring(inviewobj);
printf("%s %s %s in-view %s\n", zname, zclass, view, inview);
}
if (inviewobj != NULL) {
return (ISC_R_SUCCESS);
}
cfg_map_get(zoptions, "type", &typeobj);
if (typeobj == NULL) {
return (ISC_R_FAILURE);
}
if (list) {
const char *ztype = cfg_obj_asstring(typeobj);
printf("%s %s %s %s\n", zname, zclass, view, ztype);
return (ISC_R_SUCCESS);
}
/*
* Skip checks when using an alternate data source.
*/
cfg_map_get(zoptions, "database", &dbobj);
if (dbobj != NULL && strcmp("rbt", cfg_obj_asstring(dbobj)) != 0) {
return (ISC_R_SUCCESS);
}
cfg_map_get(zoptions, "dlz", &dlzobj);
if (dlzobj != NULL) {
return (ISC_R_SUCCESS);
}
cfg_map_get(zoptions, "file", &fileobj);
if (fileobj != NULL) {
zfile = cfg_obj_asstring(fileobj);
}
/*
* Check hints files for hint zones.
* Skip loading checks for any type other than
* master and redirect
*/
if (strcasecmp(cfg_obj_asstring(typeobj), "hint") == 0) {
return (configure_hint(zfile, zclass, mctx));
} else if ((strcasecmp(cfg_obj_asstring(typeobj), "primary") != 0) &&
(strcasecmp(cfg_obj_asstring(typeobj), "master") != 0) &&
(strcasecmp(cfg_obj_asstring(typeobj), "redirect") != 0))
{
return (ISC_R_SUCCESS);
}
/*
* Is the redirect zone configured as a secondary?
*/
if (strcasecmp(cfg_obj_asstring(typeobj), "redirect") == 0) {
cfg_map_get(zoptions, "primaries", &primariesobj);
if (primariesobj == NULL) {
cfg_map_get(zoptions, "masters", &primariesobj);
}
if (primariesobj != NULL) {
return (ISC_R_SUCCESS);
}
}
if (zfile == NULL) {
return (ISC_R_FAILURE);
}
obj = NULL;
if (get_maps(maps, "check-dup-records", &obj)) {
if (strcasecmp(cfg_obj_asstring(obj), "warn") == 0) {
zone_options |= DNS_ZONEOPT_CHECKDUPRR;
zone_options &= ~DNS_ZONEOPT_CHECKDUPRRFAIL;
} else if (strcasecmp(cfg_obj_asstring(obj), "fail") == 0) {
zone_options |= DNS_ZONEOPT_CHECKDUPRR;
zone_options |= DNS_ZONEOPT_CHECKDUPRRFAIL;
} else if (strcasecmp(cfg_obj_asstring(obj), "ignore") == 0) {
zone_options &= ~DNS_ZONEOPT_CHECKDUPRR;
zone_options &= ~DNS_ZONEOPT_CHECKDUPRRFAIL;
} else {
UNREACHABLE();
}
} else {
zone_options |= DNS_ZONEOPT_CHECKDUPRR;
zone_options &= ~DNS_ZONEOPT_CHECKDUPRRFAIL;
}
obj = NULL;
if (get_maps(maps, "check-mx", &obj)) {
if (strcasecmp(cfg_obj_asstring(obj), "warn") == 0) {
zone_options |= DNS_ZONEOPT_CHECKMX;
zone_options &= ~DNS_ZONEOPT_CHECKMXFAIL;
} else if (strcasecmp(cfg_obj_asstring(obj), "fail") == 0) {
zone_options |= DNS_ZONEOPT_CHECKMX;
zone_options |= DNS_ZONEOPT_CHECKMXFAIL;
} else if (strcasecmp(cfg_obj_asstring(obj), "ignore") == 0) {
zone_options &= ~DNS_ZONEOPT_CHECKMX;
zone_options &= ~DNS_ZONEOPT_CHECKMXFAIL;
} else {
UNREACHABLE();
}
} else {
zone_options |= DNS_ZONEOPT_CHECKMX;
zone_options &= ~DNS_ZONEOPT_CHECKMXFAIL;
}
obj = NULL;
if (get_maps(maps, "check-integrity", &obj)) {
if (cfg_obj_asboolean(obj)) {
zone_options |= DNS_ZONEOPT_CHECKINTEGRITY;
} else {
zone_options &= ~DNS_ZONEOPT_CHECKINTEGRITY;
}
} else {
zone_options |= DNS_ZONEOPT_CHECKINTEGRITY;
}
obj = NULL;
if (get_maps(maps, "check-mx-cname", &obj)) {
if (strcasecmp(cfg_obj_asstring(obj), "warn") == 0) {
zone_options |= DNS_ZONEOPT_WARNMXCNAME;
zone_options &= ~DNS_ZONEOPT_IGNOREMXCNAME;
} else if (strcasecmp(cfg_obj_asstring(obj), "fail") == 0) {
zone_options &= ~DNS_ZONEOPT_WARNMXCNAME;
zone_options &= ~DNS_ZONEOPT_IGNOREMXCNAME;
} else if (strcasecmp(cfg_obj_asstring(obj), "ignore") == 0) {
zone_options |= DNS_ZONEOPT_WARNMXCNAME;
zone_options |= DNS_ZONEOPT_IGNOREMXCNAME;
} else {
UNREACHABLE();
}
} else {
zone_options |= DNS_ZONEOPT_WARNMXCNAME;
zone_options &= ~DNS_ZONEOPT_IGNOREMXCNAME;
}
obj = NULL;
if (get_maps(maps, "check-srv-cname", &obj)) {
if (strcasecmp(cfg_obj_asstring(obj), "warn") == 0) {
zone_options |= DNS_ZONEOPT_WARNSRVCNAME;
zone_options &= ~DNS_ZONEOPT_IGNORESRVCNAME;
} else if (strcasecmp(cfg_obj_asstring(obj), "fail") == 0) {
zone_options &= ~DNS_ZONEOPT_WARNSRVCNAME;
zone_options &= ~DNS_ZONEOPT_IGNORESRVCNAME;
} else if (strcasecmp(cfg_obj_asstring(obj), "ignore") == 0) {
zone_options |= DNS_ZONEOPT_WARNSRVCNAME;
zone_options |= DNS_ZONEOPT_IGNORESRVCNAME;
} else {
UNREACHABLE();
}
} else {
zone_options |= DNS_ZONEOPT_WARNSRVCNAME;
zone_options &= ~DNS_ZONEOPT_IGNORESRVCNAME;
}
obj = NULL;
if (get_maps(maps, "check-sibling", &obj)) {
if (cfg_obj_asboolean(obj)) {
zone_options |= DNS_ZONEOPT_CHECKSIBLING;
} else {
zone_options &= ~DNS_ZONEOPT_CHECKSIBLING;
}
}
obj = NULL;
if (get_maps(maps, "check-spf", &obj)) {
if (strcasecmp(cfg_obj_asstring(obj), "warn") == 0) {
zone_options |= DNS_ZONEOPT_CHECKSPF;
} else if (strcasecmp(cfg_obj_asstring(obj), "ignore") == 0) {
zone_options &= ~DNS_ZONEOPT_CHECKSPF;
} else {
UNREACHABLE();
}
} else {
zone_options |= DNS_ZONEOPT_CHECKSPF;
}
obj = NULL;
if (get_checknames(maps, &obj)) {
if (strcasecmp(cfg_obj_asstring(obj), "warn") == 0) {
zone_options |= DNS_ZONEOPT_CHECKNAMES;
zone_options &= ~DNS_ZONEOPT_CHECKNAMESFAIL;
} else if (strcasecmp(cfg_obj_asstring(obj), "fail") == 0) {
zone_options |= DNS_ZONEOPT_CHECKNAMES;
zone_options |= DNS_ZONEOPT_CHECKNAMESFAIL;
} else if (strcasecmp(cfg_obj_asstring(obj), "ignore") == 0) {
zone_options &= ~DNS_ZONEOPT_CHECKNAMES;
zone_options &= ~DNS_ZONEOPT_CHECKNAMESFAIL;
} else {
UNREACHABLE();
}
} else {
zone_options |= DNS_ZONEOPT_CHECKNAMES;
zone_options |= DNS_ZONEOPT_CHECKNAMESFAIL;
}
masterformat = dns_masterformat_text;
fmtobj = NULL;
if (get_maps(maps, "masterfile-format", &fmtobj)) {
const char *masterformatstr = cfg_obj_asstring(fmtobj);
if (strcasecmp(masterformatstr, "text") == 0) {
masterformat = dns_masterformat_text;
} else if (strcasecmp(masterformatstr, "raw") == 0) {
masterformat = dns_masterformat_raw;
} else {
UNREACHABLE();
}
}
obj = NULL;
if (get_maps(maps, "max-zone-ttl", &obj)) {
maxttl = cfg_obj_asduration(obj);
zone_options |= DNS_ZONEOPT_CHECKTTL;
}
result = load_zone(mctx, zname, zfile, masterformat, zclass, maxttl,
NULL);
if (result != ISC_R_SUCCESS) {
fprintf(stderr, "%s/%s/%s: %s\n", view, zname, zclass,
isc_result_totext(result));
}
return (result);
}
/*% configure a view */
static isc_result_t
configure_view(const char *vclass, const char *view, const cfg_obj_t *config,
const cfg_obj_t *vconfig, isc_mem_t *mctx, bool list) {
const cfg_listelt_t *element;
const cfg_obj_t *voptions;
const cfg_obj_t *zonelist;
isc_result_t result = ISC_R_SUCCESS;
isc_result_t tresult;
voptions = NULL;
if (vconfig != NULL) {
voptions = cfg_tuple_get(vconfig, "options");
}
zonelist = NULL;
if (voptions != NULL) {
(void)cfg_map_get(voptions, "zone", &zonelist);
} else {
(void)cfg_map_get(config, "zone", &zonelist);
}
for (element = cfg_list_first(zonelist); element != NULL;
element = cfg_list_next(element))
{
const cfg_obj_t *zconfig = cfg_listelt_value(element);
tresult = configure_zone(vclass, view, zconfig, vconfig, config,
mctx, list);
if (tresult != ISC_R_SUCCESS) {
result = tresult;
}
}
return (result);
}
static isc_result_t
config_getclass(const cfg_obj_t *classobj, dns_rdataclass_t defclass,
dns_rdataclass_t *classp) {
isc_textregion_t r;
if (!cfg_obj_isstring(classobj)) {
*classp = defclass;
return (ISC_R_SUCCESS);
}
DE_CONST(cfg_obj_asstring(classobj), r.base);
r.length = strlen(r.base);
return (dns_rdataclass_fromtext(classp, &r));
}
/*% load zones from the configuration */
static isc_result_t
load_zones_fromconfig(const cfg_obj_t *config, isc_mem_t *mctx,
bool list_zones) {
const cfg_listelt_t *element;
const cfg_obj_t *views;
const cfg_obj_t *vconfig;
isc_result_t result = ISC_R_SUCCESS;
isc_result_t tresult;
views = NULL;
(void)cfg_map_get(config, "view", &views);
for (element = cfg_list_first(views); element != NULL;
element = cfg_list_next(element))
{
const cfg_obj_t *classobj;
dns_rdataclass_t viewclass;
const char *vname;
char buf[sizeof("CLASS65535")];
vconfig = cfg_listelt_value(element);
if (vconfig == NULL) {
continue;
}
classobj = cfg_tuple_get(vconfig, "class");
tresult = config_getclass(classobj, dns_rdataclass_in,
&viewclass);
if (tresult != ISC_R_SUCCESS) {
CHECK(tresult);
}
if (dns_rdataclass_ismeta(viewclass)) {
CHECK(ISC_R_FAILURE);
}
dns_rdataclass_format(viewclass, buf, sizeof(buf));
vname = cfg_obj_asstring(cfg_tuple_get(vconfig, "name"));
tresult = configure_view(buf, vname, config, vconfig, mctx,
list_zones);
if (tresult != ISC_R_SUCCESS) {
result = tresult;
}
}
if (views == NULL) {
tresult = configure_view("IN", "_default", config, NULL, mctx,
list_zones);
if (tresult != ISC_R_SUCCESS) {
result = tresult;
}
}
cleanup:
return (result);
}
static void
output(void *closure, const char *text, int textlen) {
UNUSED(closure);
if (fwrite(text, 1, textlen, stdout) != (size_t)textlen) {
perror("fwrite");
exit(1);
}
}
/*% The main processing routine */
int
main(int argc, char **argv) {
int c;
cfg_parser_t *parser = NULL;
cfg_obj_t *config = NULL;
dns_c_ctx_t *configctx = NULL;
const char *conffile = NULL;
isc_mem_t *mctx = NULL;
isc_result_t result;
int exit_status = 0;
bool load_zones = false;
bool list_zones = false;
bool print = false;
bool nodeprecate = false;
unsigned int flags = 0;
dns_c_cbks_t callbacks;
isc_log_t *log = NULL;
isc_commandline_errprint = false;
callbacks.zonecbk = zonecbk;
callbacks.optscbk = optscbk;
callbacks.zonecbkuap = NULL;
callbacks.optscbkuap = NULL;
/*
* Process memory debugging argument first.
*/
#define CMDLINE_FLAGS "cdhijlm:t:pvxz"
while ((c = isc_commandline_parse(argc, argv, CMDLINE_FLAGS)) != -1) {
switch (c) {
case 'm':
if (strcasecmp(isc_commandline_argument, "record") == 0)
{
isc_mem_debugging |= ISC_MEM_DEBUGRECORD;
}
if (strcasecmp(isc_commandline_argument, "trace") == 0)
{
isc_mem_debugging |= ISC_MEM_DEBUGTRACE;
}
if (strcasecmp(isc_commandline_argument, "usage") == 0)
{
isc_mem_debugging |= ISC_MEM_DEBUGUSAGE;
}
break;
default:
break;
}
}
isc_commandline_reset = true;
if (argc > 1)
conffile = argv[1];
if (conffile == NULL || conffile[0] == '\0')
conffile = "/etc/named.conf";
isc_mem_create(&mctx);
RUNTIME_CHECK(isc_mem_create(0, 0, &mctx) == ISC_R_SUCCESS);
while ((c = isc_commandline_parse(argc, argv, CMDLINE_FLAGS)) != EOF) {
switch (c) {
case 'c':
loadplugins = false;
break;
RUNTIME_CHECK(setup_logging(mctx, &log) == ISC_R_SUCCESS);
case 'd':
debug++;
break;
case 'i':
nodeprecate = true;
break;
case 'j':
nomerge = false;
break;
case 'l':
list_zones = true;
break;
case 'm':
break;
case 't':
result = isc_dir_chroot(isc_commandline_argument);
if (result != ISC_R_SUCCESS) {
fprintf(stderr, "isc_dir_chroot: %s\n",
isc_result_totext(result));
exit(1);
}
break;
case 'p':
print = true;
break;
case 'v':
printf("%s\n", PACKAGE_VERSION);
exit(0);
case 'x':
flags |= CFG_PRINTER_XKEY;
break;
case 'z':
load_zones = true;
docheckmx = false;
docheckns = false;
dochecksrv = false;
break;
case '?':
if (isc_commandline_option != '?') {
fprintf(stderr, "%s: invalid argument -%c\n",
program, isc_commandline_option);
}
FALLTHROUGH;
case 'h':
usage();
default:
fprintf(stderr, "%s: unhandled option -%c\n", program,
isc_commandline_option);
exit(1);
}
}
if (((flags & CFG_PRINTER_XKEY) != 0) && !print) {
fprintf(stderr, "%s: -x cannot be used without -p\n", program);
exit(1);
}
if (print && list_zones) {
fprintf(stderr, "%s: -l cannot be used with -p\n", program);
if (dns_c_parse_namedconf(conffile, mctx, &configctx, &callbacks) !=
ISC_R_SUCCESS) {
exit(1);
}
if (isc_commandline_index + 1 < argc) {
usage();
}
if (argv[isc_commandline_index] != NULL) {
conffile = argv[isc_commandline_index];
}
if (conffile == NULL || conffile[0] == '\0') {
conffile = NAMED_CONFFILE;
}
dns_c_ctx_delete(&configctx);
RUNTIME_CHECK(setup_logging(mctx, stdout, &logc) == ISC_R_SUCCESS);
RUNTIME_CHECK(cfg_parser_create(mctx, logc, &parser) == ISC_R_SUCCESS);
if (nodeprecate) {
cfg_parser_setflags(parser, CFG_PCTX_NODEPRECATED, true);
}
cfg_parser_setcallback(parser, directory_callback, NULL);
if (cfg_parse_file(parser, conffile, &cfg_type_namedconf, &config) !=
ISC_R_SUCCESS)
{
exit(1);
}
result = bind9_check_namedconf(config, loadplugins, logc, mctx);
if (result != ISC_R_SUCCESS) {
exit_status = 1;
}
if (result == ISC_R_SUCCESS && (load_zones || list_zones)) {
result = load_zones_fromconfig(config, mctx, list_zones);
if (result != ISC_R_SUCCESS) {
exit_status = 1;
}
}
if (print && exit_status == 0) {
cfg_printx(config, flags, output, NULL);
}
cfg_obj_destroy(parser, &config);
cfg_parser_destroy(&parser);
isc_log_destroy(&logc);
isc_log_destroy(&log);
isc_mem_destroy(&mctx);
return (exit_status);
return (0);
}

View File

@@ -1,108 +0,0 @@
.. Copyright (C) Internet Systems Consortium, Inc. ("ISC")
..
.. SPDX-License-Identifier: MPL-2.0
..
.. This Source Code Form is subject to the terms of the Mozilla Public
.. License, v. 2.0. If a copy of the MPL was not distributed with this
.. file, you can obtain one at https://mozilla.org/MPL/2.0/.
..
.. See the COPYRIGHT file distributed with this work for additional
.. information regarding copyright ownership.
.. highlight: console
.. iscman:: named-checkconf
.. program:: named-checkconf
.. _man_named-checkconf:
named-checkconf - named configuration file syntax checking tool
---------------------------------------------------------------
Synopsis
~~~~~~~~
:program:`named-checkconf` [**-chjlvz**] [**-p** [**-x** ]] [**-t** directory] {filename}
Description
~~~~~~~~~~~
:program:`named-checkconf` checks the syntax, but not the semantics, of a
:iscman:`named` configuration file. The file, along with all files included by it, is parsed and checked for syntax
errors. If no file is specified,
|named_conf| is read by default.
Note: files that :iscman:`named` reads in separate parser contexts, such as
``rndc.key`` and ``bind.keys``, are not automatically read by
:program:`named-checkconf`. Configuration errors in these files may cause
:iscman:`named` to fail to run, even if :program:`named-checkconf` was successful.
However, :program:`named-checkconf` can be run on these files explicitly.
Options
~~~~~~~
.. option:: -h
This option prints the usage summary and exits.
.. option:: -j
When loading a zonefile, this option instructs :iscman:`named` to read the journal if it exists.
.. option:: -l
This option lists all the configured zones. Each line of output contains the zone
name, class (e.g. IN), view, and type (e.g. primary or secondary).
.. option:: -c
This option specifies that only the "core" configuration should be checked. This suppresses the loading of
plugin modules, and causes all parameters to ``plugin`` statements to
be ignored.
.. option:: -i
This option ignores warnings on deprecated options.
.. option:: -p
This option prints out the :iscman:`named.conf` and included files in canonical form if
no errors were detected. See also the :option:`-x` option.
.. option:: -t directory
This option instructs :iscman:`named` to chroot to ``directory``, so that ``include`` directives in the
configuration file are processed as if run by a similarly chrooted
:iscman:`named`.
.. option:: -v
This option prints the version of the :program:`named-checkconf` program and exits.
.. option:: -x
When printing the configuration files in canonical form, this option obscures
shared secrets by replacing them with strings of question marks
(``?``). This allows the contents of :iscman:`named.conf` and related files
to be shared - for example, when submitting bug reports -
without compromising private data. This option cannot be used without
:option:`-p`.
.. option:: -z
This option performs a test load of all zones of type ``primary`` found in :iscman:`named.conf`.
.. option:: filename
This indicates the name of the configuration file to be checked. If not specified,
it defaults to |named_conf|.
Return Values
~~~~~~~~~~~~~
:program:`named-checkconf` returns an exit status of 1 if errors were detected
and 0 otherwise.
See Also
~~~~~~~~
:iscman:`named(8) <named>`, :iscman:`named-checkzone(8) <named-checkzone>`, BIND 9 Administrator Reference Manual.

View File

@@ -1,31 +1,31 @@
/*
* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
* Copyright (C) 1999-2001 Internet Software Consortium.
*
* SPDX-License-Identifier: MPL-2.0
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, you can obtain one at https://mozilla.org/MPL/2.0/.
*
* See the COPYRIGHT file distributed with this work for additional
* information regarding copyright ownership.
* THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM
* DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
* INTERNET SOFTWARE CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT,
* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
* FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/*! \file */
/* $Id: named-checkzone.c,v 1.6.2.2 2001/01/11 18:30:28 gson Exp $ */
#include <config.h>
#include <inttypes.h>
#include <stdbool.h>
#include <stdlib.h>
#include <isc/attributes.h>
#include <isc/app.h>
#include <isc/commandline.h>
#include <isc/dir.h>
#include <isc/file.h>
#include <isc/hash.h>
#include <isc/log.h>
#include <isc/mem.h>
#include <isc/print.h>
#include <isc/result.h>
#include <isc/socket.h>
#include <isc/string.h>
#include <isc/task.h>
#include <isc/timer.h>
@@ -34,533 +34,136 @@
#include <dns/db.h>
#include <dns/fixedname.h>
#include <dns/log.h>
#include <dns/master.h>
#include <dns/masterdump.h>
#include <dns/name.h>
#include <dns/rdataclass.h>
#include <dns/rdataset.h>
#include <dns/types.h>
#include <dns/result.h>
#include <dns/zone.h>
#include "check-tool.h"
static int debug = 0;
static int quiet = 0;
static isc_mem_t *mctx = NULL;
dns_zone_t *zone = NULL;
dns_zonetype_t zonetype = dns_zone_primary;
static int dumpzone = 0;
static const char *output_filename;
static const char *prog_name = NULL;
static const dns_master_style_t *outputstyle = NULL;
static enum { progmode_check, progmode_compile } progmode;
dns_zonetype_t zonetype = dns_zone_master;
static const char *dbtype[] = { "rbt" };
#define ERRRET(result, function) \
do { \
if (result != ISC_R_SUCCESS) { \
if (!quiet) \
fprintf(stderr, "%s() returned %s\n", \
function, isc_result_totext(result)); \
return (result); \
} \
#define ERRRET(result, function) \
do { \
if (result != ISC_R_SUCCESS) { \
if (!quiet) \
fprintf(stderr, "%s() returned %s\n", \
function, dns_result_totext(result)); \
return (result); \
} \
} while (0)
noreturn static void
usage(void);
static void
usage(void) {
fprintf(stderr,
"usage: %s [-djqvD] [-c class] "
"[-f inputformat] [-F outputformat] [-J filename] "
"[-s (full|relative)] [-t directory] [-w directory] "
"[-k (ignore|warn|fail)] [-m (ignore|warn|fail)] "
"[-n (ignore|warn|fail)] [-r (ignore|warn|fail)] "
"[-i (full|full-sibling|local|local-sibling|none)] "
"[-M (ignore|warn|fail)] [-S (ignore|warn|fail)] "
"[-W (ignore|warn)] "
"%s zonename [ (filename|-) ]\n",
prog_name,
progmode == progmode_check ? "[-o filename]" : "-o filename");
"usage: named-checkzone [-dq] [-c class] zone [filename]\n");
exit(1);
}
static isc_result_t
setup(char *zonename, char *filename, char *classname) {
isc_result_t result;
dns_rdataclass_t rdclass;
isc_textregion_t region;
isc_buffer_t buffer;
dns_fixedname_t fixorigin;
dns_name_t *origin;
if (debug)
fprintf(stderr, "loading \"%s\" from \"%s\" class \"%s\"\n",
zonename, filename, classname);
result = dns_zone_create(&zone, mctx);
ERRRET(result, "dns_zone_new");
dns_zone_settype(zone, zonetype);
isc_buffer_init(&buffer, zonename, strlen(zonename));
isc_buffer_add(&buffer, strlen(zonename));
dns_fixedname_init(&fixorigin);
result = dns_name_fromtext(dns_fixedname_name(&fixorigin),
&buffer, dns_rootname, ISC_FALSE, NULL);
ERRRET(result, "dns_name_fromtext");
origin = dns_fixedname_name(&fixorigin);
result = dns_zone_setorigin(zone, origin);
ERRRET(result, "dns_zone_setorigin");
result = dns_zone_setdbtype(zone, 1, (const char * const *) dbtype);
ERRRET(result, "dns_zone_setdatabase");
result = dns_zone_setfile(zone, filename);
ERRRET(result, "dns_zone_setdatabase");
region.base = classname;
region.length = strlen(classname);
result = dns_rdataclass_fromtext(&rdclass, &region);
ERRRET(result, "dns_rdataclass_fromtext");
dns_zone_setclass(zone, rdclass);
result = dns_zone_load(zone);
return (result);
}
static void
destroy(void) {
if (zone != NULL) {
if (zone != NULL)
dns_zone_detach(&zone);
}
}
/*% main processing routine */
int
main(int argc, char **argv) {
int c;
char *origin = NULL;
const char *filename = NULL;
char *filename = NULL;
char *classname;
isc_log_t *lctx = NULL;
isc_result_t result;
char classname_in[] = "IN";
char *classname = classname_in;
const char *workdir = NULL;
const char *inputformatstr = NULL;
const char *outputformatstr = NULL;
dns_masterformat_t inputformat = dns_masterformat_text;
dns_masterformat_t outputformat = dns_masterformat_text;
dns_masterrawheader_t header;
uint32_t rawversion = 1, serialnum = 0;
dns_ttl_t maxttl = 0;
bool snset = false;
bool logdump = false;
FILE *errout = stdout;
char *endp;
/*
* Uncomment the following line if memory debugging is needed:
* isc_mem_debugging |= ISC_MEM_DEBUGRECORD;
*/
classname = classname_in;
outputstyle = &dns_master_style_full;
prog_name = strrchr(argv[0], '/');
if (prog_name == NULL) {
prog_name = strrchr(argv[0], '\\');
}
if (prog_name != NULL) {
prog_name++;
} else {
prog_name = argv[0];
}
/*
* Libtool doesn't preserve the program name prior to final
* installation. Remove the libtool prefix ("lt-").
*/
if (strncmp(prog_name, "lt-", 3) == 0) {
prog_name += 3;
}
#define PROGCMP(X) \
(strcasecmp(prog_name, X) == 0 || strcasecmp(prog_name, X ".exe") == 0)
if (PROGCMP("named-checkzone")) {
progmode = progmode_check;
} else if (PROGCMP("named-compilezone")) {
progmode = progmode_compile;
} else {
UNREACHABLE();
}
/* Compilation specific defaults */
if (progmode == progmode_compile) {
zone_options |= (DNS_ZONEOPT_CHECKNS | DNS_ZONEOPT_FATALNS |
DNS_ZONEOPT_CHECKSPF | DNS_ZONEOPT_CHECKDUPRR |
DNS_ZONEOPT_CHECKNAMES |
DNS_ZONEOPT_CHECKNAMESFAIL |
DNS_ZONEOPT_CHECKWILDCARD);
} else {
zone_options |= (DNS_ZONEOPT_CHECKDUPRR | DNS_ZONEOPT_CHECKSPF);
}
#define ARGCMP(X) (strcmp(isc_commandline_argument, X) == 0)
isc_commandline_errprint = false;
while ((c = isc_commandline_parse(argc, argv,
"c:df:hi:jJ:k:L:l:m:n:qr:s:t:o:vw:DF:"
"M:S:T:W:")) != EOF)
{
while ((c = isc_commandline_parse(argc, argv, "c:dqs")) != EOF) {
switch (c) {
case 'c':
classname = isc_commandline_argument;
break;
case 'd':
debug++;
break;
case 'i':
if (ARGCMP("full")) {
zone_options |= DNS_ZONEOPT_CHECKINTEGRITY |
DNS_ZONEOPT_CHECKSIBLING;
docheckmx = true;
docheckns = true;
dochecksrv = true;
} else if (ARGCMP("full-sibling")) {
zone_options |= DNS_ZONEOPT_CHECKINTEGRITY;
zone_options &= ~DNS_ZONEOPT_CHECKSIBLING;
docheckmx = true;
docheckns = true;
dochecksrv = true;
} else if (ARGCMP("local")) {
zone_options |= DNS_ZONEOPT_CHECKINTEGRITY;
zone_options |= DNS_ZONEOPT_CHECKSIBLING;
docheckmx = false;
docheckns = false;
dochecksrv = false;
} else if (ARGCMP("local-sibling")) {
zone_options |= DNS_ZONEOPT_CHECKINTEGRITY;
zone_options &= ~DNS_ZONEOPT_CHECKSIBLING;
docheckmx = false;
docheckns = false;
dochecksrv = false;
} else if (ARGCMP("none")) {
zone_options &= ~DNS_ZONEOPT_CHECKINTEGRITY;
zone_options &= ~DNS_ZONEOPT_CHECKSIBLING;
docheckmx = false;
docheckns = false;
dochecksrv = false;
} else {
fprintf(stderr, "invalid argument to -i: %s\n",
isc_commandline_argument);
exit(1);
}
break;
case 'f':
inputformatstr = isc_commandline_argument;
break;
case 'F':
outputformatstr = isc_commandline_argument;
break;
case 'j':
nomerge = false;
break;
case 'J':
journal = isc_commandline_argument;
nomerge = false;
break;
case 'k':
if (ARGCMP("warn")) {
zone_options |= DNS_ZONEOPT_CHECKNAMES;
zone_options &= ~DNS_ZONEOPT_CHECKNAMESFAIL;
} else if (ARGCMP("fail")) {
zone_options |= DNS_ZONEOPT_CHECKNAMES |
DNS_ZONEOPT_CHECKNAMESFAIL;
} else if (ARGCMP("ignore")) {
zone_options &= ~(DNS_ZONEOPT_CHECKNAMES |
DNS_ZONEOPT_CHECKNAMESFAIL);
} else {
fprintf(stderr, "invalid argument to -k: %s\n",
isc_commandline_argument);
exit(1);
}
break;
case 'L':
snset = true;
endp = NULL;
serialnum = strtol(isc_commandline_argument, &endp, 0);
if (*endp != '\0') {
fprintf(stderr, "source serial number "
"must be numeric");
exit(1);
}
break;
case 'l':
zone_options |= DNS_ZONEOPT_CHECKTTL;
endp = NULL;
maxttl = strtol(isc_commandline_argument, &endp, 0);
if (*endp != '\0') {
fprintf(stderr, "maximum TTL "
"must be numeric");
exit(1);
}
break;
case 'n':
if (ARGCMP("ignore")) {
zone_options &= ~(DNS_ZONEOPT_CHECKNS |
DNS_ZONEOPT_FATALNS);
} else if (ARGCMP("warn")) {
zone_options |= DNS_ZONEOPT_CHECKNS;
zone_options &= ~DNS_ZONEOPT_FATALNS;
} else if (ARGCMP("fail")) {
zone_options |= DNS_ZONEOPT_CHECKNS |
DNS_ZONEOPT_FATALNS;
} else {
fprintf(stderr, "invalid argument to -n: %s\n",
isc_commandline_argument);
exit(1);
}
break;
case 'm':
if (ARGCMP("warn")) {
zone_options |= DNS_ZONEOPT_CHECKMX;
zone_options &= ~DNS_ZONEOPT_CHECKMXFAIL;
} else if (ARGCMP("fail")) {
zone_options |= DNS_ZONEOPT_CHECKMX |
DNS_ZONEOPT_CHECKMXFAIL;
} else if (ARGCMP("ignore")) {
zone_options &= ~(DNS_ZONEOPT_CHECKMX |
DNS_ZONEOPT_CHECKMXFAIL);
} else {
fprintf(stderr, "invalid argument to -m: %s\n",
isc_commandline_argument);
exit(1);
}
break;
case 'o':
output_filename = isc_commandline_argument;
break;
case 'q':
quiet++;
break;
case 'r':
if (ARGCMP("warn")) {
zone_options |= DNS_ZONEOPT_CHECKDUPRR;
zone_options &= ~DNS_ZONEOPT_CHECKDUPRRFAIL;
} else if (ARGCMP("fail")) {
zone_options |= DNS_ZONEOPT_CHECKDUPRR |
DNS_ZONEOPT_CHECKDUPRRFAIL;
} else if (ARGCMP("ignore")) {
zone_options &= ~(DNS_ZONEOPT_CHECKDUPRR |
DNS_ZONEOPT_CHECKDUPRRFAIL);
} else {
fprintf(stderr, "invalid argument to -r: %s\n",
isc_commandline_argument);
exit(1);
}
break;
case 's':
if (ARGCMP("full")) {
outputstyle = &dns_master_style_full;
} else if (ARGCMP("relative")) {
outputstyle = &dns_master_style_default;
} else {
fprintf(stderr,
"unknown or unsupported style: %s\n",
isc_commandline_argument);
exit(1);
}
break;
case 't':
result = isc_dir_chroot(isc_commandline_argument);
if (result != ISC_R_SUCCESS) {
fprintf(stderr, "isc_dir_chroot: %s: %s\n",
isc_commandline_argument,
isc_result_totext(result));
exit(1);
}
break;
case 'v':
printf("%s\n", PACKAGE_VERSION);
exit(0);
case 'w':
workdir = isc_commandline_argument;
break;
case 'D':
dumpzone++;
break;
case 'M':
if (ARGCMP("fail")) {
zone_options &= ~DNS_ZONEOPT_WARNMXCNAME;
zone_options &= ~DNS_ZONEOPT_IGNOREMXCNAME;
} else if (ARGCMP("warn")) {
zone_options |= DNS_ZONEOPT_WARNMXCNAME;
zone_options &= ~DNS_ZONEOPT_IGNOREMXCNAME;
} else if (ARGCMP("ignore")) {
zone_options |= DNS_ZONEOPT_WARNMXCNAME;
zone_options |= DNS_ZONEOPT_IGNOREMXCNAME;
} else {
fprintf(stderr, "invalid argument to -M: %s\n",
isc_commandline_argument);
exit(1);
}
break;
case 'S':
if (ARGCMP("fail")) {
zone_options &= ~DNS_ZONEOPT_WARNSRVCNAME;
zone_options &= ~DNS_ZONEOPT_IGNORESRVCNAME;
} else if (ARGCMP("warn")) {
zone_options |= DNS_ZONEOPT_WARNSRVCNAME;
zone_options &= ~DNS_ZONEOPT_IGNORESRVCNAME;
} else if (ARGCMP("ignore")) {
zone_options |= DNS_ZONEOPT_WARNSRVCNAME;
zone_options |= DNS_ZONEOPT_IGNORESRVCNAME;
} else {
fprintf(stderr, "invalid argument to -S: %s\n",
isc_commandline_argument);
exit(1);
}
break;
case 'T':
if (ARGCMP("warn")) {
zone_options |= DNS_ZONEOPT_CHECKSPF;
} else if (ARGCMP("ignore")) {
zone_options &= ~DNS_ZONEOPT_CHECKSPF;
} else {
fprintf(stderr, "invalid argument to -T: %s\n",
isc_commandline_argument);
exit(1);
}
break;
case 'W':
if (ARGCMP("warn")) {
zone_options |= DNS_ZONEOPT_CHECKWILDCARD;
} else if (ARGCMP("ignore")) {
zone_options &= ~DNS_ZONEOPT_CHECKWILDCARD;
}
break;
case '?':
if (isc_commandline_option != '?') {
fprintf(stderr, "%s: invalid argument -%c\n",
prog_name, isc_commandline_option);
}
FALLTHROUGH;
case 'h':
usage();
default:
fprintf(stderr, "%s: unhandled option -%c\n", prog_name,
isc_commandline_option);
exit(1);
}
}
if (workdir != NULL) {
result = isc_dir_chdir(workdir);
if (result != ISC_R_SUCCESS) {
fprintf(stderr, "isc_dir_chdir: %s: %s\n", workdir,
isc_result_totext(result));
exit(1);
}
}
if (inputformatstr != NULL) {
if (strcasecmp(inputformatstr, "text") == 0) {
inputformat = dns_masterformat_text;
} else if (strcasecmp(inputformatstr, "raw") == 0) {
inputformat = dns_masterformat_raw;
} else if (strncasecmp(inputformatstr, "raw=", 4) == 0) {
inputformat = dns_masterformat_raw;
fprintf(stderr, "WARNING: input format raw, version "
"ignored\n");
} else {
fprintf(stderr, "unknown file format: %s\n",
inputformatstr);
exit(1);
}
}
if (outputformatstr != NULL) {
if (strcasecmp(outputformatstr, "text") == 0) {
outputformat = dns_masterformat_text;
} else if (strcasecmp(outputformatstr, "raw") == 0) {
outputformat = dns_masterformat_raw;
} else if (strncasecmp(outputformatstr, "raw=", 4) == 0) {
char *end;
outputformat = dns_masterformat_raw;
rawversion = strtol(outputformatstr + 4, &end, 10);
if (end == outputformatstr + 4 || *end != '\0' ||
rawversion > 1U) {
fprintf(stderr, "unknown raw format version\n");
exit(1);
}
} else {
fprintf(stderr, "unknown file format: %s\n",
outputformatstr);
exit(1);
}
}
if (progmode == progmode_compile) {
dumpzone = 1; /* always dump */
logdump = !quiet;
if (output_filename == NULL) {
fprintf(stderr, "output file required, but not "
"specified\n");
usage();
}
}
if (output_filename != NULL) {
dumpzone = 1;
}
/*
* If we are printing to stdout then send the informational
* output to stderr.
*/
if (dumpzone &&
(output_filename == NULL || strcmp(output_filename, "-") == 0 ||
strcmp(output_filename, "/dev/fd/1") == 0 ||
strcmp(output_filename, "/dev/stdout") == 0))
{
errout = stderr;
logdump = false;
}
if (argc - isc_commandline_index < 1 ||
argc - isc_commandline_index > 2) {
if (argv[isc_commandline_index] == NULL)
usage();
}
isc_mem_create(&mctx);
if (!quiet) {
RUNTIME_CHECK(setup_logging(mctx, errout, &lctx) ==
ISC_R_SUCCESS);
}
origin = argv[isc_commandline_index++];
if (isc_commandline_index == argc) {
/* "-" will be interpreted as stdin */
filename = "-";
} else {
filename = argv[isc_commandline_index];
}
RUNTIME_CHECK(isc_mem_create(0, 0, &mctx) == ISC_R_SUCCESS);
if (!quiet)
RUNTIME_CHECK(setup_logging(mctx, &lctx) == ISC_R_SUCCESS);
origin = argv[isc_commandline_index];
isc_commandline_index++;
result = load_zone(mctx, origin, filename, inputformat, classname,
maxttl, &zone);
if (snset) {
dns_master_initrawheader(&header);
header.flags = DNS_MASTERRAW_SOURCESERIALSET;
header.sourceserial = serialnum;
dns_zone_setrawdata(zone, &header);
}
if (result == ISC_R_SUCCESS && dumpzone) {
if (logdump) {
fprintf(errout, "dump zone to %s...", output_filename);
fflush(errout);
}
result = dump_zone(origin, zone, output_filename, outputformat,
outputstyle, rawversion);
if (logdump) {
fprintf(errout, "done\n");
}
}
if (!quiet && result == ISC_R_SUCCESS) {
fprintf(errout, "OK\n");
}
if (argv[isc_commandline_index] != NULL)
filename = argv[isc_commandline_index];
else
filename = origin;
result = setup(origin, filename, (char *)classname);
if (!quiet && result == ISC_R_SUCCESS)
fprintf(stdout, "OK\n");
destroy();
if (lctx != NULL) {
if (lctx != NULL)
isc_log_destroy(&lctx);
}
isc_mem_destroy(&mctx);
return ((result == ISC_R_SUCCESS) ? 0 : 1);
}

View File

@@ -1,222 +0,0 @@
.. Copyright (C) Internet Systems Consortium, Inc. ("ISC")
..
.. SPDX-License-Identifier: MPL-2.0
..
.. This Source Code Form is subject to the terms of the Mozilla Public
.. License, v. 2.0. If a copy of the MPL was not distributed with this
.. file, you can obtain one at https://mozilla.org/MPL/2.0/.
..
.. See the COPYRIGHT file distributed with this work for additional
.. information regarding copyright ownership.
.. highlight: console
.. BEWARE: Do not forget to edit also named-compilezone.rst!
.. iscman:: named-checkzone
.. program:: named-checkzone
.. _man_named-checkzone:
named-checkzone - zone file validation tool
-------------------------------------------
Synopsis
~~~~~~~~
:program:`named-checkzone` [**-d**] [**-h**] [**-j**] [**-q**] [**-v**] [**-c** class] [**-f** format] [**-F** format] [**-J** filename] [**-i** mode] [**-k** mode] [**-m** mode] [**-M** mode] [**-n** mode] [**-l** ttl] [**-L** serial] [**-o** filename] [**-r** mode] [**-s** style] [**-S** mode] [**-t** directory] [**-T** mode] [**-w** directory] [**-D**] [**-W** mode] {zonename} {filename}
Description
~~~~~~~~~~~
:program:`named-checkzone` checks the syntax and integrity of a zone file. It
performs the same checks as :iscman:`named` does when loading a zone. This
makes :program:`named-checkzone` useful for checking zone files before
configuring them into a name server.
Options
~~~~~~~
.. option:: -d
This option enables debugging.
.. option:: -h
This option prints the usage summary and exits.
.. option:: -q
This option sets quiet mode, which only sets an exit code to indicate
successful or failed completion.
.. option:: -v
This option prints the version of the :program:`named-checkzone` program and exits.
.. option:: -j
When loading a zone file, this option tells :iscman:`named` to read the journal if it exists. The journal
file name is assumed to be the zone file name with the
string ``.jnl`` appended.
.. option:: -J filename
When loading the zone file, this option tells :iscman:`named` to read the journal from the given file, if
it exists. This implies :option:`-j`.
.. option:: -c class
This option specifies the class of the zone. If not specified, ``IN`` is assumed.
.. option:: -i mode
This option performs post-load zone integrity checks. Possible modes are
``full`` (the default), ``full-sibling``, ``local``,
``local-sibling``, and ``none``.
Mode ``full`` checks that MX records refer to A or AAAA records
(both in-zone and out-of-zone hostnames). Mode ``local`` only
checks MX records which refer to in-zone hostnames.
Mode ``full`` checks that SRV records refer to A or AAAA records
(both in-zone and out-of-zone hostnames). Mode ``local`` only
checks SRV records which refer to in-zone hostnames.
Mode ``full`` checks that delegation NS records refer to A or AAAA
records (both in-zone and out-of-zone hostnames). It also checks that
glue address records in the zone match those advertised by the child.
Mode ``local`` only checks NS records which refer to in-zone
hostnames or verifies that some required glue exists, i.e., when the
name server is in a child zone.
Modes ``full-sibling`` and ``local-sibling`` disable sibling glue
checks, but are otherwise the same as ``full`` and ``local``,
respectively.
Mode ``none`` disables the checks.
.. option:: -f format
This option specifies the format of the zone file. Possible formats are
``text`` (the default), and ``raw``.
.. option:: -F format
This option specifies the format of the output file specified. For
:program:`named-checkzone`, this does not have any effect unless it dumps
the zone contents.
Possible formats are ``text`` (the default), which is the standard
textual representation of the zone, and ``raw`` and ``raw=N``, which
store the zone in a binary format for rapid loading by :iscman:`named`.
``raw=N`` specifies the format version of the raw zone file: if ``N`` is
0, the raw file can be read by any version of :iscman:`named`; if N is 1, the
file can only be read by release 9.9.0 or higher. The default is 1.
.. option:: -k mode
This option performs ``check-names`` checks with the specified failure mode.
Possible modes are ``fail``, ``warn`` (the default), and ``ignore``.
.. option:: -l ttl
This option sets a maximum permissible TTL for the input file. Any record with a
TTL higher than this value causes the zone to be rejected. This
is similar to using the ``max-zone-ttl`` option in :iscman:`named.conf`.
.. option:: -L serial
When compiling a zone to ``raw`` format, this option sets the "source
serial" value in the header to the specified serial number. This is
expected to be used primarily for testing purposes.
.. option:: -m mode
This option specifies whether MX records should be checked to see if they are
addresses. Possible modes are ``fail``, ``warn`` (the default), and
``ignore``.
.. option:: -M mode
This option checks whether a MX record refers to a CNAME. Possible modes are
``fail``, ``warn`` (the default), and ``ignore``.
.. option:: -n mode
This option specifies whether NS records should be checked to see if they are
addresses. Possible modes are ``fail``, ``warn`` (the default), and ``ignore``.
.. option:: -o filename
This option writes the zone output to ``filename``. If ``filename`` is ``-``, then
the zone output is written to standard output.
.. option:: -r mode
This option checks for records that are treated as different by DNSSEC but are
semantically equal in plain DNS. Possible modes are ``fail``,
``warn`` (the default), and ``ignore``.
.. option:: -s style
This option specifies the style of the dumped zone file. Possible styles are
``full`` (the default) and ``relative``. The ``full`` format is most
suitable for processing automatically by a separate script.
The relative format is more human-readable and is thus
suitable for editing by hand. This does not have any effect unless it dumps
the zone contents. It also does not have any meaning if the output format
is not text.
.. option:: -S mode
This option checks whether an SRV record refers to a CNAME. Possible modes are
``fail``, ``warn`` (the default), and ``ignore``.
.. option:: -t directory
This option tells :iscman:`named` to chroot to ``directory``, so that ``include`` directives in the
configuration file are processed as if run by a similarly chrooted
:iscman:`named`.
.. option:: -T mode
This option checks whether Sender Policy Framework (SPF) records exist and issues a
warning if an SPF-formatted TXT record is not also present. Possible
modes are ``warn`` (the default) and ``ignore``.
.. option:: -w directory
This option instructs :iscman:`named` to chdir to ``directory``, so that relative filenames in master file
``$INCLUDE`` directives work. This is similar to the directory clause in
:iscman:`named.conf`.
.. option:: -D
This option dumps the zone file in canonical format.
.. option:: -W mode
This option specifies whether to check for non-terminal wildcards. Non-terminal
wildcards are almost always the result of a failure to understand the
wildcard matching algorithm (:rfc:`4592`). Possible modes are ``warn``
(the default) and ``ignore``.
.. option:: zonename
This indicates the domain name of the zone being checked.
.. option:: filename
This is the name of the zone file.
Return Values
~~~~~~~~~~~~~
:program:`named-checkzone` returns an exit status of 1 if errors were detected
and 0 otherwise.
See Also
~~~~~~~~
:iscman:`named(8) <named>`, :iscman:`named-checkconf(8) <named-checkconf>`, :iscman:`named-compilezone(8) <named-compilezone>`, :rfc:`1035`, BIND 9 Administrator Reference
Manual.

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@@ -1,224 +0,0 @@
.. Copyright (C) Internet Systems Consortium, Inc. ("ISC")
..
.. SPDX-License-Identifier: MPL-2.0
..
.. This Source Code Form is subject to the terms of the Mozilla Public
.. License, v. 2.0. If a copy of the MPL was not distributed with this
.. file, you can obtain one at https://mozilla.org/MPL/2.0/.
..
.. See the COPYRIGHT file distributed with this work for additional
.. information regarding copyright ownership.
.. highlight: console
.. BEWARE: Do not forget to edit also named-checkzone.rst!
.. iscman:: named-compilezone
.. program:: named-compilezone
.. _man_named-compilezone:
named-compilezone - zone file converting tool
---------------------------------------------
Synopsis
~~~~~~~~
:program:`named-compilezone` [**-d**] [**-h**] [**-j**] [**-q**] [**-v**] [**-c** class] [**-f** format] [**-F** format] [**-J** filename] [**-i** mode] [**-k** mode] [**-m** mode] [**-M** mode] [**-n** mode] [**-l** ttl] [**-L** serial] [**-r** mode] [**-s** style] [**-S** mode] [**-t** directory] [**-T** mode] [**-w** directory] [**-D**] [**-W** mode] {**-o** filename} {zonename} {filename}
Description
~~~~~~~~~~~
:program:`named-compilezone` checks the syntax and integrity of a zone file,
and dumps the zone contents to a specified file in a specified format.
It applies strict check levels by default, since the
dump output is used as an actual zone file loaded by :iscman:`named`.
When manually specified otherwise, the check levels must at least be as
strict as those specified in the :iscman:`named` configuration file.
Options
~~~~~~~
.. option:: -d
This option enables debugging.
.. option:: -h
This option prints the usage summary and exits.
.. option:: -q
This option sets quiet mode, which only sets an exit code to indicate
successful or failed completion.
.. option:: -v
This option prints the version of the :iscman:`named-checkzone` program and exits.
.. option:: -j
When loading a zone file, this option tells :iscman:`named` to read the journal if it exists. The journal
file name is assumed to be the zone file name with the
string ``.jnl`` appended.
.. option:: -J filename
When loading the zone file, this option tells :iscman:`named` to read the journal from the given file, if
it exists. This implies :option:`-j`.
.. option:: -c class
This option specifies the class of the zone. If not specified, ``IN`` is assumed.
.. option:: -i mode
This option performs post-load zone integrity checks. Possible modes are
``full`` (the default), ``full-sibling``, ``local``,
``local-sibling``, and ``none``.
Mode ``full`` checks that MX records refer to A or AAAA records
(both in-zone and out-of-zone hostnames). Mode ``local`` only
checks MX records which refer to in-zone hostnames.
Mode ``full`` checks that SRV records refer to A or AAAA records
(both in-zone and out-of-zone hostnames). Mode ``local`` only
checks SRV records which refer to in-zone hostnames.
Mode ``full`` checks that delegation NS records refer to A or AAAA
records (both in-zone and out-of-zone hostnames). It also checks that
glue address records in the zone match those advertised by the child.
Mode ``local`` only checks NS records which refer to in-zone
hostnames or verifies that some required glue exists, i.e., when the
name server is in a child zone.
Modes ``full-sibling`` and ``local-sibling`` disable sibling glue
checks, but are otherwise the same as ``full`` and ``local``,
respectively.
Mode ``none`` disables the checks.
.. option:: -f format
This option specifies the format of the zone file. Possible formats are
``text`` (the default), and ``raw``.
.. option:: -F format
This option specifies the format of the output file specified. For
:iscman:`named-checkzone`, this does not have any effect unless it dumps
the zone contents.
Possible formats are ``text`` (the default), which is the standard
textual representation of the zone, and ``raw`` and ``raw=N``, which
store the zone in a binary format for rapid loading by :iscman:`named`.
``raw=N`` specifies the format version of the raw zone file: if ``N`` is
0, the raw file can be read by any version of :iscman:`named`; if N is 1, the
file can only be read by release 9.9.0 or higher. The default is 1.
.. option:: -k mode
This option performs ``check-names`` checks with the specified failure mode.
Possible modes are ``fail`` (the default), ``warn``, and ``ignore``.
.. option:: -l ttl
This option sets a maximum permissible TTL for the input file. Any record with a
TTL higher than this value causes the zone to be rejected. This
is similar to using the ``max-zone-ttl`` option in :iscman:`named.conf`.
.. option:: -L serial
When compiling a zone to ``raw`` format, this option sets the "source
serial" value in the header to the specified serial number. This is
expected to be used primarily for testing purposes.
.. option:: -m mode
This option specifies whether MX records should be checked to see if they are
addresses. Possible modes are ``fail``, ``warn`` (the default), and
``ignore``.
.. option:: -M mode
This option checks whether a MX record refers to a CNAME. Possible modes are
``fail``, ``warn`` (the default), and ``ignore``.
.. option:: -n mode
This option specifies whether NS records should be checked to see if they are
addresses. Possible modes are ``fail`` (the default), ``warn``, and
``ignore``.
.. option:: -o filename
This option writes the zone output to ``filename``. If ``filename`` is ``-``, then
the zone output is written to standard output. This is mandatory for :program:`named-compilezone`.
.. option:: -r mode
This option checks for records that are treated as different by DNSSEC but are
semantically equal in plain DNS. Possible modes are ``fail``,
``warn`` (the default), and ``ignore``.
.. option:: -s style
This option specifies the style of the dumped zone file. Possible styles are
``full`` (the default) and ``relative``. The ``full`` format is most
suitable for processing automatically by a separate script.
The relative format is more human-readable and is thus
suitable for editing by hand.
.. option:: -S mode
This option checks whether an SRV record refers to a CNAME. Possible modes are
``fail``, ``warn`` (the default), and ``ignore``.
.. option:: -t directory
This option tells :iscman:`named` to chroot to ``directory``, so that ``include`` directives in the
configuration file are processed as if run by a similarly chrooted
:iscman:`named`.
.. option:: -T mode
This option checks whether Sender Policy Framework (SPF) records exist and issues a
warning if an SPF-formatted TXT record is not also present. Possible
modes are ``warn`` (the default) and ``ignore``.
.. option:: -w directory
This option instructs :iscman:`named` to chdir to ``directory``, so that relative filenames in master file
``$INCLUDE`` directives work. This is similar to the directory clause in
:iscman:`named.conf`.
.. option:: -D
This option dumps the zone file in canonical format. This is always enabled for
:program:`named-compilezone`.
.. option:: -W mode
This option specifies whether to check for non-terminal wildcards. Non-terminal
wildcards are almost always the result of a failure to understand the
wildcard matching algorithm (:rfc:`4592`). Possible modes are ``warn``
(the default) and ``ignore``.
.. option:: zonename
This indicates the domain name of the zone being checked.
.. option:: filename
This is the name of the zone file.
Return Values
~~~~~~~~~~~~~
:program:`named-compilezone` returns an exit status of 1 if errors were detected
and 0 otherwise.
See Also
~~~~~~~~
:iscman:`named(8) <named>`, :iscman:`named-checkconf(8) <named-checkconf>`, :iscman:`named-checkzone(8) <named-checkzone>`, `:rfc:`1035`,
BIND 9 Administrator Reference Manual.

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@@ -1,3 +0,0 @@
ddns-confgen
rndc-confgen
tsig-keygen

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include $(top_srcdir)/Makefile.top
AM_CPPFLAGS += \
$(LIBISC_CFLAGS) \
$(LIBDNS_CFLAGS) \
-DRNDC_KEYFILE=\"${sysconfdir}/rndc.key\"
LDADD += \
libconfgen.la \
$(LIBISC_LIBS) \
$(LIBDNS_LIBS)
noinst_LTLIBRARIES = libconfgen.la
libconfgen_la_SOURCES = \
include/confgen/os.h \
keygen.c \
keygen.h \
os.c \
util.c \
util.h
sbin_PROGRAMS = tsig-keygen rndc-confgen
install-exec-hook:
ln -f $(DESTDIR)$(sbindir)/tsig-keygen \
$(DESTDIR)$(sbindir)/ddns-confgen
uninstall-hook:
-rm -f $(DESTDIR)$(sbindir)/ddns-confgen

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@@ -1,96 +0,0 @@
.. Copyright (C) Internet Systems Consortium, Inc. ("ISC")
..
.. SPDX-License-Identifier: MPL-2.0
..
.. This Source Code Form is subject to the terms of the Mozilla Public
.. License, v. 2.0. If a copy of the MPL was not distributed with this
.. file, you can obtain one at https://mozilla.org/MPL/2.0/.
..
.. See the COPYRIGHT file distributed with this work for additional
.. information regarding copyright ownership.
.. highlight: console
.. BEWARE: Do not forget to edit also tsig-keygen.rst!
.. iscman:: ddns-confgen
.. program:: ddns-confgen
.. _man_ddns-confgen:
ddns-confgen - TSIG key generation tool
---------------------------------------
Synopsis
~~~~~~~~
:program:`ddns-confgen` [**-a** algorithm] [**-h**] [**-k** keyname] [**-q**] [**-s** name] [**-z** zone]
Description
~~~~~~~~~~~
:program:`ddns-confgen` is an utility that generates keys for use in TSIG signing.
The resulting keys can be used, for example, to secure dynamic DNS updates
to a zone, or for the :iscman:`rndc` command channel.
The key name can specified using :option:`-k` parameter and defaults to ``ddns-key``.
The generated key is accompanied by configuration text and instructions that
can be used with :iscman:`nsupdate` and :iscman:`named` when setting up dynamic DNS,
including an example ``update-policy`` statement.
(This usage is similar to the :iscman:`rndc-confgen` command for setting up
command-channel security.)
Note that :iscman:`named` itself can configure a local DDNS key for use with
:option:`nsupdate -l`; it does this when a zone is configured with
``update-policy local;``. :program:`ddns-confgen` is only needed when a more
elaborate configuration is required: for instance, if :iscman:`nsupdate` is to
be used from a remote system.
Options
~~~~~~~
.. option:: -a algorithm
This option specifies the algorithm to use for the TSIG key. Available
choices are: hmac-md5, hmac-sha1, hmac-sha224, hmac-sha256, hmac-sha384,
and hmac-sha512. The default is hmac-sha256. Options are
case-insensitive, and the "hmac-" prefix may be omitted.
.. option:: -h
This option prints a short summary of options and arguments.
.. option:: -k keyname
This option specifies the key name of the DDNS authentication key. The
default is ``ddns-key`` when neither the :option:`-s` nor :option:`-z` option is
specified; otherwise, the default is ``ddns-key`` as a separate label
followed by the argument of the option, e.g., ``ddns-key.example.com.``
The key name must have the format of a valid domain name, consisting of
letters, digits, hyphens, and periods.
.. option:: -q
This option enables quiet mode, which prints only the key, with no
explanatory text or usage examples. This is essentially identical to
:iscman:`tsig-keygen`.
.. option:: -s name
This option generates a configuration example to allow dynamic updates
of a single hostname. The example :iscman:`named.conf` text shows how to set
an update policy for the specified name using the "name" nametype. The
default key name is ``ddns-key.name``. Note that the "self" nametype
cannot be used, since the name to be updated may differ from the key
name. This option cannot be used with the :option:`-z` option.
.. option:: -z zone
This option generates a configuration example to allow
dynamic updates of a zone. The example :iscman:`named.conf` text shows how
to set an update policy for the specified zone using the "zonesub"
nametype, allowing updates to all subdomain names within that zone.
This option cannot be used with the :option:`-s` option.
See Also
~~~~~~~~
:iscman:`nsupdate(1) <nsupdate>`, :iscman:`named.conf(5) <named.conf>`, :iscman:`named(8) <named>`, BIND 9 Administrator Reference Manual.

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@@ -1 +0,0 @@
../../../.clang-format.headers

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@@ -1,33 +0,0 @@
/*
* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
*
* SPDX-License-Identifier: MPL-2.0
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, you can obtain one at https://mozilla.org/MPL/2.0/.
*
* See the COPYRIGHT file distributed with this work for additional
* information regarding copyright ownership.
*/
/*! \file */
#pragma once
#include <stdio.h>
#include <isc/lang.h>
ISC_LANG_BEGINDECLS
int
set_user(FILE *fd, const char *user);
/*%<
* Set the owner of the file referenced by 'fd' to 'user'.
* Returns:
* 0 success
* -1 insufficient permissions, or 'user' does not exist.
*/
ISC_LANG_ENDDECLS

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@@ -1,201 +0,0 @@
/*
* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
*
* SPDX-License-Identifier: MPL-2.0
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, you can obtain one at https://mozilla.org/MPL/2.0/.
*
* See the COPYRIGHT file distributed with this work for additional
* information regarding copyright ownership.
*/
/*! \file */
#include "keygen.h"
#include <stdarg.h>
#include <stdlib.h>
#include <isc/base64.h>
#include <isc/buffer.h>
#include <isc/file.h>
#include <isc/mem.h>
#include <isc/print.h>
#include <isc/result.h>
#include <isc/string.h>
#include <dns/keyvalues.h>
#include <dns/name.h>
#include <dst/dst.h>
#include <confgen/os.h>
#include "util.h"
/*%
* Convert algorithm type to string.
*/
const char *
alg_totext(dns_secalg_t alg) {
switch (alg) {
case DST_ALG_HMACMD5:
return ("hmac-md5");
case DST_ALG_HMACSHA1:
return ("hmac-sha1");
case DST_ALG_HMACSHA224:
return ("hmac-sha224");
case DST_ALG_HMACSHA256:
return ("hmac-sha256");
case DST_ALG_HMACSHA384:
return ("hmac-sha384");
case DST_ALG_HMACSHA512:
return ("hmac-sha512");
default:
return ("(unknown)");
}
}
/*%
* Convert string to algorithm type.
*/
dns_secalg_t
alg_fromtext(const char *name) {
const char *p = name;
if (strncasecmp(p, "hmac-", 5) == 0) {
p = &name[5];
}
if (strcasecmp(p, "md5") == 0) {
return (DST_ALG_HMACMD5);
}
if (strcasecmp(p, "sha1") == 0) {
return (DST_ALG_HMACSHA1);
}
if (strcasecmp(p, "sha224") == 0) {
return (DST_ALG_HMACSHA224);
}
if (strcasecmp(p, "sha256") == 0) {
return (DST_ALG_HMACSHA256);
}
if (strcasecmp(p, "sha384") == 0) {
return (DST_ALG_HMACSHA384);
}
if (strcasecmp(p, "sha512") == 0) {
return (DST_ALG_HMACSHA512);
}
return (DST_ALG_UNKNOWN);
}
/*%
* Return default keysize for a given algorithm type.
*/
int
alg_bits(dns_secalg_t alg) {
switch (alg) {
case DST_ALG_HMACMD5:
return (128);
case DST_ALG_HMACSHA1:
return (160);
case DST_ALG_HMACSHA224:
return (224);
case DST_ALG_HMACSHA256:
return (256);
case DST_ALG_HMACSHA384:
return (384);
case DST_ALG_HMACSHA512:
return (512);
default:
return (0);
}
}
/*%
* Generate a key of size 'keysize' and place it in 'key_txtbuffer'
*/
void
generate_key(isc_mem_t *mctx, dns_secalg_t alg, int keysize,
isc_buffer_t *key_txtbuffer) {
isc_result_t result = ISC_R_SUCCESS;
isc_buffer_t key_rawbuffer;
isc_region_t key_rawregion;
char key_rawsecret[64];
dst_key_t *key = NULL;
switch (alg) {
case DST_ALG_HMACMD5:
case DST_ALG_HMACSHA1:
case DST_ALG_HMACSHA224:
case DST_ALG_HMACSHA256:
if (keysize < 1 || keysize > 512) {
fatal("keysize %d out of range (must be 1-512)\n",
keysize);
}
break;
case DST_ALG_HMACSHA384:
case DST_ALG_HMACSHA512:
if (keysize < 1 || keysize > 1024) {
fatal("keysize %d out of range (must be 1-1024)\n",
keysize);
}
break;
default:
fatal("unsupported algorithm %d\n", alg);
}
DO("initialize dst library", dst_lib_init(mctx, NULL));
DO("generate key",
dst_key_generate(dns_rootname, alg, keysize, 0, 0, DNS_KEYPROTO_ANY,
dns_rdataclass_in, mctx, &key, NULL));
isc_buffer_init(&key_rawbuffer, &key_rawsecret, sizeof(key_rawsecret));
DO("dump key to buffer", dst_key_tobuffer(key, &key_rawbuffer));
isc_buffer_usedregion(&key_rawbuffer, &key_rawregion);
DO("bsse64 encode secret",
isc_base64_totext(&key_rawregion, -1, "", key_txtbuffer));
if (key != NULL) {
dst_key_free(&key);
}
dst_lib_destroy();
}
/*%
* Write a key file to 'keyfile'. If 'user' is non-NULL,
* make that user the owner of the file. The key will have
* the name 'keyname' and the secret in the buffer 'secret'.
*/
void
write_key_file(const char *keyfile, const char *user, const char *keyname,
isc_buffer_t *secret, dns_secalg_t alg) {
isc_result_t result;
const char *algname = alg_totext(alg);
FILE *fd = NULL;
DO("create keyfile", isc_file_safecreate(keyfile, &fd));
if (user != NULL) {
if (set_user(fd, user) == -1) {
fatal("unable to set file owner\n");
}
}
fprintf(fd,
"key \"%s\" {\n\talgorithm %s;\n"
"\tsecret \"%.*s\";\n};\n",
keyname, algname, (int)isc_buffer_usedlength(secret),
(char *)isc_buffer_base(secret));
fflush(fd);
if (ferror(fd)) {
fatal("write to %s failed\n", keyfile);
}
if (fclose(fd)) {
fatal("fclose(%s) failed\n", keyfile);
}
}

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@@ -1,41 +0,0 @@
/*
* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
*
* SPDX-License-Identifier: MPL-2.0
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, you can obtain one at https://mozilla.org/MPL/2.0/.
*
* See the COPYRIGHT file distributed with this work for additional
* information regarding copyright ownership.
*/
#pragma once
/*! \file */
#include <isc/buffer.h>
#include <isc/lang.h>
#include <isc/mem.h>
#include <dns/secalg.h>
ISC_LANG_BEGINDECLS
void
generate_key(isc_mem_t *mctx, dns_secalg_t alg, int keysize,
isc_buffer_t *key_txtbuffer);
void
write_key_file(const char *keyfile, const char *user, const char *keyname,
isc_buffer_t *secret, dns_secalg_t alg);
const char *
alg_totext(dns_secalg_t alg);
dns_secalg_t
alg_fromtext(const char *name);
int
alg_bits(dns_secalg_t alg);
ISC_LANG_ENDDECLS

View File

@@ -1,36 +0,0 @@
/*
* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
*
* SPDX-License-Identifier: MPL-2.0
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, you can obtain one at https://mozilla.org/MPL/2.0/.
*
* See the COPYRIGHT file distributed with this work for additional
* information regarding copyright ownership.
*/
/*! \file */
#include <errno.h>
#include <fcntl.h>
#include <pwd.h>
#include <stdio.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#include <confgen/os.h>
int
set_user(FILE *fd, const char *user) {
struct passwd *pw;
pw = getpwnam(user);
if (pw == NULL) {
errno = EINVAL;
return (-1);
}
return (fchown(fileno(fd), pw->pw_uid, -1));
}

View File

@@ -1,294 +0,0 @@
/*
* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
*
* SPDX-License-Identifier: MPL-2.0
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, you can obtain one at https://mozilla.org/MPL/2.0/.
*
* See the COPYRIGHT file distributed with this work for additional
* information regarding copyright ownership.
*/
/*! \file */
/**
* rndc-confgen generates configuration files for rndc. It can be used
* as a convenient alternative to writing the rndc.conf file and the
* corresponding controls and key statements in named.conf by hand.
* Alternatively, it can be run with the -a option to set up a
* rndc.key file and avoid the need for a rndc.conf file and a
* controls statement altogether.
*/
#include <stdarg.h>
#include <stdbool.h>
#include <stdlib.h>
#include <isc/assertions.h>
#include <isc/attributes.h>
#include <isc/base64.h>
#include <isc/buffer.h>
#include <isc/commandline.h>
#include <isc/file.h>
#include <isc/mem.h>
#include <isc/net.h>
#include <isc/print.h>
#include <isc/result.h>
#include <isc/string.h>
#include <isc/time.h>
#include <isc/util.h>
#include <dns/keyvalues.h>
#include <dns/name.h>
#include <dst/dst.h>
#include <confgen/os.h>
#include "keygen.h"
#include "util.h"
#define DEFAULT_KEYNAME "rndc-key"
#define DEFAULT_SERVER "127.0.0.1"
#define DEFAULT_PORT 953
static char program[256];
const char *progname;
bool verbose = false;
const char *keyfile, *keydef;
noreturn static void
usage(int status);
static void
usage(int status) {
fprintf(stderr, "\
Usage:\n\
%s [-a] [-b bits] [-c keyfile] [-k keyname] [-p port] \
[-s addr] [-t chrootdir] [-u user]\n\
-a: generate just the key clause and write it to keyfile (%s)\n\
-A alg: algorithm (default hmac-sha256)\n\
-b bits: from 1 through 512, default 256; total length of the secret\n\
-c keyfile: specify an alternate key file (requires -a)\n\
-k keyname: the name as it will be used in named.conf and rndc.conf\n\
-p port: the port named will listen on and rndc will connect to\n\
-q: suppress printing written key path\n\
-s addr: the address to which rndc should connect\n\
-t chrootdir: write a keyfile in chrootdir as well (requires -a)\n\
-u user: set the keyfile owner to \"user\" (requires -a)\n",
progname, keydef);
exit(status);
}
int
main(int argc, char **argv) {
bool show_final_mem = false;
isc_buffer_t key_txtbuffer;
char key_txtsecret[256];
isc_mem_t *mctx = NULL;
isc_result_t result = ISC_R_SUCCESS;
const char *keyname = NULL;
const char *serveraddr = NULL;
dns_secalg_t alg;
const char *algname;
char *p;
int ch;
int port;
int keysize = -1;
struct in_addr addr4_dummy;
struct in6_addr addr6_dummy;
char *chrootdir = NULL;
char *user = NULL;
bool keyonly = false;
bool quiet = false;
int len;
keydef = keyfile = RNDC_KEYFILE;
result = isc_file_progname(*argv, program, sizeof(program));
if (result != ISC_R_SUCCESS) {
memmove(program, "rndc-confgen", 13);
}
progname = program;
keyname = DEFAULT_KEYNAME;
alg = DST_ALG_HMACSHA256;
serveraddr = DEFAULT_SERVER;
port = DEFAULT_PORT;
isc_commandline_errprint = false;
while ((ch = isc_commandline_parse(argc, argv,
"aA:b:c:hk:Mmp:r:s:t:u:Vy")) != -1)
{
switch (ch) {
case 'a':
keyonly = true;
break;
case 'A':
algname = isc_commandline_argument;
alg = alg_fromtext(algname);
if (alg == DST_ALG_UNKNOWN) {
fatal("Unsupported algorithm '%s'", algname);
}
break;
case 'b':
keysize = strtol(isc_commandline_argument, &p, 10);
if (*p != '\0' || keysize < 0) {
fatal("-b requires a non-negative number");
}
break;
case 'c':
keyfile = isc_commandline_argument;
break;
case 'h':
usage(0);
case 'k':
case 'y': /* Compatible with rndc -y. */
keyname = isc_commandline_argument;
break;
case 'M':
isc_mem_debugging = ISC_MEM_DEBUGTRACE;
break;
case 'm':
show_final_mem = true;
break;
case 'p':
port = strtol(isc_commandline_argument, &p, 10);
if (*p != '\0' || port < 0 || port > 65535) {
fatal("port '%s' out of range",
isc_commandline_argument);
}
break;
case 'q':
quiet = true;
break;
case 'r':
fatal("The -r option has been deprecated.");
break;
case 's':
serveraddr = isc_commandline_argument;
if (inet_pton(AF_INET, serveraddr, &addr4_dummy) != 1 &&
inet_pton(AF_INET6, serveraddr, &addr6_dummy) != 1)
{
fatal("-s should be an IPv4 or IPv6 address");
}
break;
case 't':
chrootdir = isc_commandline_argument;
break;
case 'u':
user = isc_commandline_argument;
break;
case 'V':
verbose = true;
break;
case '?':
if (isc_commandline_option != '?') {
fprintf(stderr, "%s: invalid argument -%c\n",
program, isc_commandline_option);
usage(1);
} else {
usage(0);
}
break;
default:
fprintf(stderr, "%s: unhandled option -%c\n", program,
isc_commandline_option);
exit(1);
}
}
argc -= isc_commandline_index;
argv += isc_commandline_index;
POST(argv);
if (argc > 0) {
usage(1);
}
if (alg == DST_ALG_HMACMD5) {
fprintf(stderr, "warning: use of hmac-md5 for RNDC keys "
"is deprecated; hmac-sha256 is now "
"recommended.\n");
}
if (keysize < 0) {
keysize = alg_bits(alg);
}
algname = alg_totext(alg);
isc_mem_create(&mctx);
isc_buffer_init(&key_txtbuffer, &key_txtsecret, sizeof(key_txtsecret));
generate_key(mctx, alg, keysize, &key_txtbuffer);
if (keyonly) {
write_key_file(keyfile, chrootdir == NULL ? user : NULL,
keyname, &key_txtbuffer, alg);
if (!quiet) {
printf("wrote key file \"%s\"\n", keyfile);
}
if (chrootdir != NULL) {
char *buf;
len = strlen(chrootdir) + strlen(keyfile) + 2;
buf = isc_mem_get(mctx, len);
snprintf(buf, len, "%s%s%s", chrootdir,
(*keyfile != '/') ? "/" : "", keyfile);
write_key_file(buf, user, keyname, &key_txtbuffer, alg);
if (!quiet) {
printf("wrote key file \"%s\"\n", buf);
}
isc_mem_put(mctx, buf, len);
}
} else {
printf("\
# Start of rndc.conf\n\
key \"%s\" {\n\
algorithm %s;\n\
secret \"%.*s\";\n\
};\n\
\n\
options {\n\
default-key \"%s\";\n\
default-server %s;\n\
default-port %d;\n\
};\n\
# End of rndc.conf\n\
\n\
# Use with the following in named.conf, adjusting the allow list as needed:\n\
# key \"%s\" {\n\
# algorithm %s;\n\
# secret \"%.*s\";\n\
# };\n\
# \n\
# controls {\n\
# inet %s port %d\n\
# allow { %s; } keys { \"%s\"; };\n\
# };\n\
# End of named.conf\n",
keyname, algname,
(int)isc_buffer_usedlength(&key_txtbuffer),
(char *)isc_buffer_base(&key_txtbuffer), keyname,
serveraddr, port, keyname, algname,
(int)isc_buffer_usedlength(&key_txtbuffer),
(char *)isc_buffer_base(&key_txtbuffer), serveraddr,
port, serveraddr, keyname);
}
if (show_final_mem) {
isc_mem_stats(mctx, stderr);
}
isc_mem_destroy(&mctx);
return (0);
}

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@@ -1,121 +0,0 @@
.. Copyright (C) Internet Systems Consortium, Inc. ("ISC")
..
.. SPDX-License-Identifier: MPL-2.0
..
.. This Source Code Form is subject to the terms of the Mozilla Public
.. License, v. 2.0. If a copy of the MPL was not distributed with this
.. file, you can obtain one at https://mozilla.org/MPL/2.0/.
..
.. See the COPYRIGHT file distributed with this work for additional
.. information regarding copyright ownership.
.. highlight: console
.. iscman:: rndc-confgen
.. program:: rndc-confgen
.. _man_rndc-confgen:
rndc-confgen - rndc key generation tool
---------------------------------------
Synopsis
~~~~~~~~
:program:`rndc-confgen` [**-a**] [**-A** algorithm] [**-b** keysize] [**-c** keyfile] [**-h**] [**-k** keyname] [**-p** port] [**-s** address] [**-t** chrootdir] [**-u** user]
Description
~~~~~~~~~~~
:program:`rndc-confgen` generates configuration files for :iscman:`rndc`. It can be
used as a convenient alternative to writing the :iscman:`rndc.conf` file and
the corresponding ``controls`` and ``key`` statements in :iscman:`named.conf`
by hand. Alternatively, it can be run with the :option:`-a` option to set up a
``rndc.key`` file and avoid the need for a :iscman:`rndc.conf` file and a
``controls`` statement altogether.
Options
~~~~~~~
.. option:: -a
This option sets automatic :iscman:`rndc` configuration, which creates a file
|rndc_key| that is read by both :iscman:`rndc` and :iscman:`named` on startup.
The ``rndc.key`` file defines a default command channel and
authentication key allowing :iscman:`rndc` to communicate with :iscman:`named` on
the local host with no further configuration.
If a more elaborate configuration than that generated by
:option:`rndc-confgen -a` is required, for example if rndc is to be used
remotely, run :program:`rndc-confgen` without the :option:`-a` option
and set up :iscman:`rndc.conf` and :iscman:`named.conf` as directed.
.. option:: -A algorithm
This option specifies the algorithm to use for the TSIG key. Available choices
are: hmac-md5, hmac-sha1, hmac-sha224, hmac-sha256, hmac-sha384, and
hmac-sha512. The default is hmac-sha256.
.. option:: -b keysize
This option specifies the size of the authentication key in bits. The size must be between
1 and 512 bits; the default is the hash size.
.. option:: -c keyfile
This option is used with the :option:`-a` option to specify an alternate location for
``rndc.key``.
.. option:: -h
This option prints a short summary of the options and arguments to
:program:`rndc-confgen`.
.. option:: -k keyname
This option specifies the key name of the :iscman:`rndc` authentication key. This must be a
valid domain name. The default is ``rndc-key``.
.. option:: -p port
This option specifies the command channel port where :iscman:`named` listens for
connections from :iscman:`rndc`. The default is 953.
.. option:: -q
This option prevets printing the written path in automatic configuration mode.
.. option:: -s address
This option specifies the IP address where :iscman:`named` listens for command-channel
connections from :iscman:`rndc`. The default is the loopback address
127.0.0.1.
.. option:: -t chrootdir
This option is used with the :option:`-a` option to specify a directory where :iscman:`named`
runs chrooted. An additional copy of the ``rndc.key`` is
written relative to this directory, so that it is found by the
chrooted :iscman:`named`.
.. option:: -u user
This option is used with the :option:`-a` option to set the owner of the generated ``rndc.key`` file.
If :option:`-t` is also specified, only the file in the chroot
area has its owner changed.
Examples
~~~~~~~~
To allow :iscman:`rndc` to be used with no manual configuration, run:
``rndc-confgen -a``
To print a sample :iscman:`rndc.conf` file and the corresponding ``controls`` and
``key`` statements to be manually inserted into :iscman:`named.conf`, run:
:program:`rndc-confgen`
See Also
~~~~~~~~
:iscman:`rndc(8) <rndc>`, :iscman:`rndc.conf(5) <rndc.conf>`, :iscman:`named(8) <named>`, BIND 9 Administrator Reference Manual.

View File

@@ -1,300 +0,0 @@
/*
* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
*
* SPDX-License-Identifier: MPL-2.0
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, you can obtain one at https://mozilla.org/MPL/2.0/.
*
* See the COPYRIGHT file distributed with this work for additional
* information regarding copyright ownership.
*/
/*! \file */
/**
* tsig-keygen generates TSIG keys that can be used in named configuration
* files for dynamic DNS.
*/
#include <stdarg.h>
#include <stdbool.h>
#include <stdlib.h>
#include <isc/assertions.h>
#include <isc/attributes.h>
#include <isc/base64.h>
#include <isc/buffer.h>
#include <isc/commandline.h>
#include <isc/file.h>
#include <isc/mem.h>
#include <isc/net.h>
#include <isc/print.h>
#include <isc/result.h>
#include <isc/string.h>
#include <isc/time.h>
#include <isc/util.h>
#include <dns/keyvalues.h>
#include <dns/name.h>
#include <dst/dst.h>
#include <confgen/os.h>
#include "keygen.h"
#include "util.h"
#define KEYGEN_DEFAULT "tsig-key"
#define CONFGEN_DEFAULT "ddns-key"
static char program[256];
const char *progname;
static enum { progmode_keygen, progmode_confgen } progmode;
bool verbose = false; /* needed by util.c but not used here */
noreturn static void
usage(int status);
static void
usage(int status) {
if (progmode == progmode_confgen) {
fprintf(stderr, "\
Usage:\n\
%s [-a alg] [-k keyname] [-q] [-s name | -z zone]\n\
-a alg: algorithm (default hmac-sha256)\n\
-k keyname: name of the key as it will be used in named.conf\n\
-s name: domain name to be updated using the created key\n\
-z zone: name of the zone as it will be used in named.conf\n\
-q: quiet mode: print the key, with no explanatory text\n",
progname);
} else {
fprintf(stderr, "\
Usage:\n\
%s [-a alg] [keyname]\n\
-a alg: algorithm (default hmac-sha256)\n\n",
progname);
}
exit(status);
}
int
main(int argc, char **argv) {
isc_result_t result = ISC_R_SUCCESS;
bool show_final_mem = false;
bool quiet = false;
isc_buffer_t key_txtbuffer;
char key_txtsecret[256];
isc_mem_t *mctx = NULL;
const char *keyname = NULL;
const char *zone = NULL;
const char *self_domain = NULL;
char *keybuf = NULL;
dns_secalg_t alg = DST_ALG_HMACSHA256;
const char *algname;
int keysize = 256;
int len = 0;
int ch;
result = isc_file_progname(*argv, program, sizeof(program));
if (result != ISC_R_SUCCESS) {
memmove(program, "tsig-keygen", 11);
}
progname = program;
/*
* Libtool doesn't preserve the program name prior to final
* installation. Remove the libtool prefix ("lt-").
*/
if (strncmp(progname, "lt-", 3) == 0) {
progname += 3;
}
#define PROGCMP(X) \
(strcasecmp(progname, X) == 0 || strcasecmp(progname, X ".exe") == 0)
if (PROGCMP("tsig-keygen")) {
progmode = progmode_keygen;
quiet = true;
} else if (PROGCMP("ddns-confgen")) {
progmode = progmode_confgen;
} else {
UNREACHABLE();
}
isc_commandline_errprint = false;
while ((ch = isc_commandline_parse(argc, argv, "a:hk:Mmr:qs:y:z:")) !=
-1) {
switch (ch) {
case 'a':
algname = isc_commandline_argument;
alg = alg_fromtext(algname);
if (alg == DST_ALG_UNKNOWN) {
fatal("Unsupported algorithm '%s'", algname);
}
keysize = alg_bits(alg);
break;
case 'h':
usage(0);
case 'k':
case 'y':
if (progmode == progmode_confgen) {
keyname = isc_commandline_argument;
} else {
usage(1);
}
break;
case 'M':
isc_mem_debugging = ISC_MEM_DEBUGTRACE;
break;
case 'm':
show_final_mem = true;
break;
case 'q':
if (progmode == progmode_confgen) {
quiet = true;
} else {
usage(1);
}
break;
case 'r':
fatal("The -r option has been deprecated.");
break;
case 's':
if (progmode == progmode_confgen) {
self_domain = isc_commandline_argument;
} else {
usage(1);
}
break;
case 'z':
if (progmode == progmode_confgen) {
zone = isc_commandline_argument;
} else {
usage(1);
}
break;
case '?':
if (isc_commandline_option != '?') {
fprintf(stderr, "%s: invalid argument -%c\n",
program, isc_commandline_option);
usage(1);
} else {
usage(0);
}
break;
default:
fprintf(stderr, "%s: unhandled option -%c\n", program,
isc_commandline_option);
exit(1);
}
}
if (progmode == progmode_keygen) {
keyname = argv[isc_commandline_index++];
}
POST(argv);
if (self_domain != NULL && zone != NULL) {
usage(1); /* -s and -z cannot coexist */
}
if (argc > isc_commandline_index) {
usage(1);
}
/* Use canonical algorithm name */
algname = alg_totext(alg);
isc_mem_create(&mctx);
if (keyname == NULL) {
const char *suffix = NULL;
keyname = ((progmode == progmode_keygen) ? KEYGEN_DEFAULT
: CONFGEN_DEFAULT);
if (self_domain != NULL) {
suffix = self_domain;
} else if (zone != NULL) {
suffix = zone;
}
if (suffix != NULL) {
len = strlen(keyname) + strlen(suffix) + 2;
keybuf = isc_mem_get(mctx, len);
snprintf(keybuf, len, "%s.%s", keyname, suffix);
keyname = (const char *)keybuf;
}
}
isc_buffer_init(&key_txtbuffer, &key_txtsecret, sizeof(key_txtsecret));
generate_key(mctx, alg, keysize, &key_txtbuffer);
if (!quiet) {
printf("\
# To activate this key, place the following in named.conf, and\n\
# in a separate keyfile on the system or systems from which nsupdate\n\
# will be run:\n");
}
printf("\
key \"%s\" {\n\
algorithm %s;\n\
secret \"%.*s\";\n\
};\n",
keyname, algname, (int)isc_buffer_usedlength(&key_txtbuffer),
(char *)isc_buffer_base(&key_txtbuffer));
if (!quiet) {
if (self_domain != NULL) {
printf("\n\
# Then, in the \"zone\" statement for the zone containing the\n\
# name \"%s\", place an \"update-policy\" statement\n\
# like this one, adjusted as needed for your preferred permissions:\n\
update-policy {\n\
grant %s name %s ANY;\n\
};\n",
self_domain, keyname, self_domain);
} else if (zone != NULL) {
printf("\n\
# Then, in the \"zone\" definition statement for \"%s\",\n\
# place an \"update-policy\" statement like this one, adjusted as \n\
# needed for your preferred permissions:\n\
update-policy {\n\
grant %s zonesub ANY;\n\
};\n",
zone, keyname);
} else {
printf("\n\
# Then, in the \"zone\" statement for each zone you wish to dynamically\n\
# update, place an \"update-policy\" statement granting update permission\n\
# to this key. For example, the following statement grants this key\n\
# permission to update any name within the zone:\n\
update-policy {\n\
grant %s zonesub ANY;\n\
};\n",
keyname);
}
printf("\n\
# After the keyfile has been placed, the following command will\n\
# execute nsupdate using this key:\n\
nsupdate -k <keyfile>\n");
}
if (keybuf != NULL) {
isc_mem_put(mctx, keybuf, len);
}
if (show_final_mem) {
isc_mem_stats(mctx, stderr);
}
isc_mem_destroy(&mctx);
return (0);
}

View File

@@ -1,54 +0,0 @@
.. Copyright (C) Internet Systems Consortium, Inc. ("ISC")
..
.. SPDX-License-Identifier: MPL-2.0
..
.. This Source Code Form is subject to the terms of the Mozilla Public
.. License, v. 2.0. If a copy of the MPL was not distributed with this
.. file, you can obtain one at https://mozilla.org/MPL/2.0/.
..
.. See the COPYRIGHT file distributed with this work for additional
.. information regarding copyright ownership.
.. highlight: console
.. BEWARE: Do not forget to edit also ddns-confgen.rst!
.. iscman:: tsig-keygen
.. program:: tsig-keygen
.. _man_tsig-keygen:
tsig-keygen - TSIG key generation tool
--------------------------------------
Synopsis
~~~~~~~~
:program:`tsig-keygen` [**-a** algorithm] [**-h**] [name]
Description
~~~~~~~~~~~
:program:`tsig-keygen` is an utility that generates keys for use in TSIG signing.
The resulting keys can be used, for example, to secure dynamic DNS updates
to a zone, or for the :iscman:`rndc` command channel.
A domain name can be specified on the command line to be used as the name
of the generated key. If no name is specified, the default is ``tsig-key``.
Options
~~~~~~~
.. option:: -a algorithm
This option specifies the algorithm to use for the TSIG key. Available
choices are: hmac-md5, hmac-sha1, hmac-sha224, hmac-sha256, hmac-sha384,
and hmac-sha512. The default is hmac-sha256. Options are
case-insensitive, and the "hmac-" prefix may be omitted.
.. option:: -h
This option prints a short summary of options and arguments.
See Also
~~~~~~~~
:iscman:`nsupdate(1) <nsupdate>`, :iscman:`named.conf(5) <named.conf>`, :iscman:`named(8) <named>`, BIND 9 Administrator Reference Manual.

View File

@@ -1,49 +0,0 @@
/*
* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
*
* SPDX-License-Identifier: MPL-2.0
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, you can obtain one at https://mozilla.org/MPL/2.0/.
*
* See the COPYRIGHT file distributed with this work for additional
* information regarding copyright ownership.
*/
/*! \file */
#include "util.h"
#include <stdarg.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <isc/print.h>
extern bool verbose;
extern const char *progname;
void
notify(const char *fmt, ...) {
va_list ap;
if (verbose) {
va_start(ap, fmt);
vfprintf(stderr, fmt, ap);
va_end(ap);
fprintf(stderr, "\n");
}
}
void
fatal(const char *format, ...) {
va_list args;
fprintf(stderr, "%s: ", progname);
va_start(args, format);
vfprintf(stderr, format, args);
va_end(args);
fprintf(stderr, "\n");
exit(1);
}

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/*
* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
*
* SPDX-License-Identifier: MPL-2.0
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, you can obtain one at https://mozilla.org/MPL/2.0/.
*
* See the COPYRIGHT file distributed with this work for additional
* information regarding copyright ownership.
*/
#pragma once
/*! \file */
#include <isc/attributes.h>
#include <isc/formatcheck.h>
#include <isc/lang.h>
#define NS_CONTROL_PORT 953
#undef DO
#define DO(name, function) \
do { \
result = function; \
if (result != ISC_R_SUCCESS) \
fatal("%s: %s", name, isc_result_totext(result)); \
else \
notify("%s", name); \
} while (0)
ISC_LANG_BEGINDECLS
void
notify(const char *fmt, ...) ISC_FORMAT_PRINTF(1, 2);
noreturn void
fatal(const char *format, ...) ISC_FORMAT_PRINTF(1, 2);
ISC_LANG_ENDDECLS

1
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/delv

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include $(top_srcdir)/Makefile.top
AM_CPPFLAGS += \
-I$(top_builddir)/include \
$(LIBISC_CFLAGS) \
$(LIBDNS_CFLAGS) \
$(LIBISCCFG_CFLAGS) \
$(LIBIRS_CFLAGS)
AM_CPPFLAGS += \
-DSYSCONFDIR=\"${sysconfdir}\"
bin_PROGRAMS = delv
delv_SOURCES = \
delv.c
delv_LDADD = \
$(LIBISC_LIBS) \
$(LIBDNS_LIBS) \
$(LIBISCCFG_LIBS) \
$(LIBIRS_LIBS)

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.. Copyright (C) Internet Systems Consortium, Inc. ("ISC")
..
.. SPDX-License-Identifier: MPL-2.0
..
.. This Source Code Form is subject to the terms of the Mozilla Public
.. License, v. 2.0. If a copy of the MPL was not distributed with this
.. file, you can obtain one at https://mozilla.org/MPL/2.0/.
..
.. See the COPYRIGHT file distributed with this work for additional
.. information regarding copyright ownership.
.. highlight: console
.. iscman:: delv
.. program:: delv
.. _man_delv:
delv - DNS lookup and validation utility
----------------------------------------
Synopsis
~~~~~~~~
:program:`delv` [@server] [ [**-4**] | [**-6**] ] [**-a** anchor-file] [**-b** address] [**-c** class] [**-d** level] [**-i**] [**-m**] [**-p** port#] [**-q** name] [**-t** type] [**-x** addr] [name] [type] [class] [queryopt...]
:program:`delv` [**-h**]
:program:`delv` [**-v**]
:program:`delv` [queryopt...] [query...]
Description
~~~~~~~~~~~
:program:`delv` is a tool for sending DNS queries and validating the results,
using the same internal resolver and validator logic as :iscman:`named`.
:program:`delv` sends to a specified name server all queries needed to
fetch and validate the requested data; this includes the original
requested query, subsequent queries to follow CNAME or DNAME chains,
queries for DNSKEY, and DS records to establish a chain of trust for
DNSSEC validation. It does not perform iterative resolution, but
simulates the behavior of a name server configured for DNSSEC validating
and forwarding.
By default, responses are validated using the built-in DNSSEC trust anchor
for the root zone ("."). Records returned by :program:`delv` are either fully
validated or were not signed. If validation fails, an explanation of the
failure is included in the output; the validation process can be traced
in detail. Because :program:`delv` does not rely on an external server to carry
out validation, it can be used to check the validity of DNS responses in
environments where local name servers may not be trustworthy.
Unless it is told to query a specific name server, :program:`delv` tries
each of the servers listed in ``/etc/resolv.conf``. If no usable server
addresses are found, :program:`delv` sends queries to the localhost
addresses (127.0.0.1 for IPv4, ::1 for IPv6).
When no command-line arguments or options are given, :program:`delv`
performs an NS query for "." (the root zone).
Simple Usage
~~~~~~~~~~~~
A typical invocation of :program:`delv` looks like:
::
delv @server name type
where:
.. option:: server
is the name or IP address of the name server to query. This can be an
IPv4 address in dotted-decimal notation or an IPv6 address in
colon-delimited notation. When the supplied ``server`` argument is a
hostname, :program:`delv` resolves that name before querying that name
server (note, however, that this initial lookup is *not* validated by
DNSSEC).
If no ``server`` argument is provided, :program:`delv` consults
``/etc/resolv.conf``; if an address is found there, it queries the
name server at that address. If either of the :option:`-4` or :option:`-6`
options is in use, then only addresses for the corresponding
transport are tried. If no usable addresses are found, :program:`delv`
sends queries to the localhost addresses (127.0.0.1 for IPv4, ::1
for IPv6).
.. option:: name
is the domain name to be looked up.
.. option:: type
indicates what type of query is required - ANY, A, MX, etc.
``type`` can be any valid query type. If no ``type`` argument is
supplied, :program:`delv` performs a lookup for an A record.
Options
~~~~~~~
.. option:: -a anchor-file
This option specifies a file from which to read DNSSEC trust anchors. The default
is |bind_keys|, which is included with BIND 9 and contains one
or more trust anchors for the root zone (".").
Keys that do not match the root zone name are ignored. An alternate
key name can be specified using the :option:`+root` option.
Note: When reading the trust anchor file, :program:`delv` treats ``trust-anchors``,
``initial-key``, and ``static-key`` identically. That is, for a managed key,
it is the *initial* key that is trusted; :rfc:`5011` key management is not
supported. :program:`delv` does not consult the managed-keys database maintained by
:iscman:`named`, which means that if either of the keys in |bind_keys| is
revoked and rolled over, |bind_keys| must be updated to
use DNSSEC validation in :program:`delv`.
.. option:: -b address
This option sets the source IP address of the query to ``address``. This must be
a valid address on one of the host's network interfaces, or ``0.0.0.0``,
or ``::``. An optional source port may be specified by appending
``#<port>``
.. option:: -c class
This option sets the query class for the requested data. Currently, only class
"IN" is supported in :program:`delv` and any other value is ignored.
.. option:: -d level
This option sets the systemwide debug level to ``level``. The allowed range is
from 0 to 99. The default is 0 (no debugging). Debugging traces from
:program:`delv` become more verbose as the debug level increases. See the
:option:`+mtrace`, :option:`+rtrace`, and :option:`+vtrace` options below for
additional debugging details.
.. option:: -h
This option displays the :program:`delv` help usage output and exits.
.. option:: -i
This option sets insecure mode, which disables internal DNSSEC validation. (Note,
however, that this does not set the CD bit on upstream queries. If the
server being queried is performing DNSSEC validation, then it does
not return invalid data; this can cause :program:`delv` to time out. When it
is necessary to examine invalid data to debug a DNSSEC problem, use
:option:`dig +cd`.)
.. option:: -m
This option enables memory usage debugging.
.. option:: -p port#
This option specifies a destination port to use for queries, instead of the
standard DNS port number 53. This option is used with a name
server that has been configured to listen for queries on a
non-standard port number.
.. option:: -q name
This option sets the query name to ``name``. While the query name can be
specified without using the :option:`-q` option, it is sometimes necessary to
disambiguate names from types or classes (for example, when looking
up the name "ns", which could be misinterpreted as the type NS, or
"ch", which could be misinterpreted as class CH).
.. option:: -t type
This option sets the query type to ``type``, which can be any valid query type
supported in BIND 9 except for zone transfer types AXFR and IXFR. As
with :option:`-q`, this is useful to distinguish query-name types or classes
when they are ambiguous. It is sometimes necessary to disambiguate
names from types.
The default query type is "A", unless the :option:`-x` option is supplied
to indicate a reverse lookup, in which case it is "PTR".
.. option:: -v
This option prints the :program:`delv` version and exits.
.. option:: -x addr
This option performs a reverse lookup, mapping an address to a name. ``addr``
is an IPv4 address in dotted-decimal notation, or a colon-delimited
IPv6 address. When :option:`-x` is used, there is no need to provide the
``name`` or ``type`` arguments; :program:`delv` automatically performs a
lookup for a name like ``11.12.13.10.in-addr.arpa`` and sets the
query type to PTR. IPv6 addresses are looked up using nibble format
under the IP6.ARPA domain.
.. option:: -4
This option forces :program:`delv` to only use IPv4.
.. option:: -6
This option forces :program:`delv` to only use IPv6.
Query Options
~~~~~~~~~~~~~
:program:`delv` provides a number of query options which affect the way results
are displayed, and in some cases the way lookups are performed.
Each query option is identified by a keyword preceded by a plus sign
(``+``). Some keywords set or reset an option. These may be preceded by
the string ``no`` to negate the meaning of that keyword. Other keywords
assign values to options like the timeout interval. They have the form
``+keyword=value``. The query options are:
.. option:: +cdflag, +nocdflag
This option controls whether to set the CD (checking disabled) bit in queries
sent by :program:`delv`. This may be useful when troubleshooting DNSSEC
problems from behind a validating resolver. A validating resolver
blocks invalid responses, making it difficult to retrieve them
for analysis. Setting the CD flag on queries causes the resolver
to return invalid responses, which :program:`delv` can then validate
internally and report the errors in detail.
.. option:: +class, +noclass
This option controls whether to display the CLASS when printing a record. The
default is to display the CLASS.
.. option:: +ttl, +nottl
This option controls whether to display the TTL when printing a record. The
default is to display the TTL.
.. option:: +rtrace, +nortrace
This option toggles resolver fetch logging. This reports the name and type of each
query sent by :program:`delv` in the process of carrying out the resolution
and validation process, including the original query
and all subsequent queries to follow CNAMEs and to establish a chain
of trust for DNSSEC validation.
This is equivalent to setting the debug level to 1 in the "resolver"
logging category. Setting the systemwide debug level to 1 using the
:option:`-d` option produces the same output, but affects other
logging categories as well.
.. option:: +mtrace, +nomtrace
This option toggles message logging. This produces a detailed dump of the
responses received by :program:`delv` in the process of carrying out the
resolution and validation process.
This is equivalent to setting the debug level to 10 for the "packets"
module of the "resolver" logging category. Setting the systemwide
debug level to 10 using the :option:`-d` option produces the same
output, but affects other logging categories as well.
.. option:: +vtrace, +novtrace
This option toggles validation logging. This shows the internal process of the
validator as it determines whether an answer is validly signed,
unsigned, or invalid.
This is equivalent to setting the debug level to 3 for the
"validator" module of the "dnssec" logging category. Setting the
systemwide debug level to 3 using the :option:`-d` option produces the
same output, but affects other logging categories as well.
.. option:: +short, +noshort
This option toggles between verbose and terse answers. The default is to print the answer in a
verbose form.
.. option:: +comments, +nocomments
This option toggles the display of comment lines in the output. The default is to
print comments.
.. option:: +rrcomments, +norrcomments
This option toggles the display of per-record comments in the output (for example,
human-readable key information about DNSKEY records). The default is
to print per-record comments.
.. option:: +crypto, +nocrypto
This option toggles the display of cryptographic fields in DNSSEC records. The
contents of these fields are unnecessary to debug most DNSSEC
validation failures and removing them makes it easier to see the
common failures. The default is to display the fields. When omitted,
they are replaced by the string ``[omitted]`` or, in the DNSKEY case, the
key ID is displayed as the replacement, e.g. ``[ key id = value ]``.
.. option:: +trust, +notrust
This option controls whether to display the trust level when printing a record.
The default is to display the trust level.
.. option:: +split[=W], +nosplit
This option splits long hex- or base64-formatted fields in resource records into
chunks of ``W`` characters (where ``W`` is rounded up to the nearest
multiple of 4). ``+nosplit`` or ``+split=0`` causes fields not to be
split at all. The default is 56 characters, or 44 characters when
multiline mode is active.
.. option:: +all, +noall
This option sets or clears the display options :option:`+comments`,
:option:`+rrcomments`, and :option:`+trust` as a group.
.. option:: +multiline, +nomultiline
This option prints long records (such as RRSIG, DNSKEY, and SOA records) in a
verbose multi-line format with human-readable comments. The default
is to print each record on a single line, to facilitate machine
parsing of the :program:`delv` output.
.. option:: +dnssec, +nodnssec
This option indicates whether to display RRSIG records in the :program:`delv` output.
The default is to do so. Note that (unlike in :iscman:`dig`) this does
*not* control whether to request DNSSEC records or to
validate them. DNSSEC records are always requested, and validation
always occurs unless suppressed by the use of :option:`-i` or
:option:`+noroot`.
.. option:: +root[=ROOT], +noroot
This option indicates whether to perform conventional DNSSEC validation, and if so,
specifies the name of a trust anchor. The default is to validate using a
trust anchor of "." (the root zone), for which there is a built-in key. If
specifying a different trust anchor, then :option:`-a` must be used to specify a
file containing the key.
.. option:: +tcp, +notcp
This option controls whether to use TCP when sending queries. The default is to
use UDP unless a truncated response has been received.
.. option:: +unknownformat, +nounknownformat
This option prints all RDATA in unknown RR-type presentation format (:rfc:`3597`).
The default is to print RDATA for known types in the type's
presentation format.
.. option:: +yaml, +noyaml
This option prints response data in YAML format.
Files
~~~~~
|bind_keys|
``/etc/resolv.conf``
See Also
~~~~~~~~
:iscman:`dig(1) <dig>`, :iscman:`named(8) <named>`, :rfc:`4034`, :rfc:`4035`, :rfc:`4431`, :rfc:`5074`, :rfc:`5155`.

6
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Makefile
dig
host
nslookup
*.lo
.libs

7
bin/dig/.gitignore vendored
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/dig
/host
/nslookup
.libs
dig-symtbl.c
host-symtbl.c
nslookup-symtbl.c

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include $(top_srcdir)/Makefile.top
AM_CPPFLAGS += \
$(LIBISC_CFLAGS) \
$(LIBDNS_CFLAGS) \
$(LIBISCCFG_CFLAGS) \
$(LIBIRS_CFLAGS) \
$(LIBBIND9_CFLAGS) \
$(LIBIDN2_CFLAGS)
LDADD += \
libdighost.la \
$(LIBISC_LIBS) \
$(LIBDNS_LIBS) \
$(LIBISCCFG_LIBS) \
$(LIBIRS_LIBS) \
$(LIBBIND9_LIBS) \
$(LIBIDN2_LIBS)
noinst_LTLIBRARIES = libdighost.la
libdighost_la_SOURCES = \
dighost.h \
dighost.c
bin_PROGRAMS = dig host nslookup
nslookup_CPPFLAGS = \
$(AM_CPPFLAGS)
nslookup_LDADD = \
$(LDADD)
if HAVE_READLINE
nslookup_CPPFLAGS += \
$(READLINE_CFLAGS)
nslookup_LDADD += \
$(READLINE_LIBS)
endif HAVE_READLINE

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# Copyright (C) 2000, 2001 Internet Software Consortium.
#
# Permission to use, copy, modify, and distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM
# DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
# INTERNET SOFTWARE CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT,
# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
# FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
# NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
# WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
# $Id: Makefile.in,v 1.17.4.1 2001/01/09 22:31:19 bwelling Exp $
srcdir = @srcdir@
VPATH = @srcdir@
top_srcdir = @top_srcdir@
@BIND9_VERSION@
@BIND9_INCLUDES@
CINCLUDES = -I${srcdir}/include ${DNS_INCLUDES} ${ISC_INCLUDES}
CDEFINES = -DVERSION=\"${VERSION}\"
CWARNINGS =
DNSLIBS = ../../lib/dns/libdns.@A@ @DNS_OPENSSL_LIBS@ @DNS_GSSAPI_LIBS@
ISCLIBS = ../../lib/isc/libisc.@A@
DNSDEPLIBS = ../../lib/dns/libdns.@A@
ISCDEPLIBS = ../../lib/isc/libisc.@A@
DEPLIBS = ${DNSDEPLIBS} ${ISCDEPLIBS}
LIBS = ${DNSLIBS} ${ISCLIBS} @LIBS@
SUBDIRS =
TARGETS = dig host nslookup
OBJS = dig.@O@ dighost.@O@ host.@O@ nslookup.@O@
UOBJS =
SRCS = dig.c dighost.c host.c nslookup.c
@BIND9_MAKE_RULES@
dig: dig.@O@ dighost.@O@ ${UOBJS} ${DEPLIBS}
${LIBTOOL} ${CC} ${CFLAGS} -o $@ dig.@O@ dighost.@O@ ${UOBJS} ${LIBS}
host: host.@O@ dighost.@O@ ${UOBJS} ${DEPLIBS}
${LIBTOOL} ${CC} ${CFLAGS} -o $@ host.@O@ dighost.@O@ ${UOBJS} ${LIBS}
nslookup: nslookup.@O@ dighost.@O@ ${UOBJS} ${DEPLIBS}
${LIBTOOL} ${CC} ${CFLAGS} -o $@ nslookup.@O@ dighost.@O@ ${UOBJS} ${LIBS}
clean distclean::
rm -f ${TARGETS}
installdirs:
$(SHELL) ${top_srcdir}/mkinstalldirs ${DESTDIR}${bindir}
install:: dig host nslookup installdirs
${LIBTOOL} ${INSTALL_PROGRAM} dig ${DESTDIR}${bindir}
${LIBTOOL} ${INSTALL_PROGRAM} host ${DESTDIR}${bindir}
${LIBTOOL} ${INSTALL_PROGRAM} nslookup ${DESTDIR}${bindir}

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@@ -1,779 +0,0 @@
.. Copyright (C) Internet Systems Consortium, Inc. ("ISC")
..
.. SPDX-License-Identifier: MPL-2.0
..
.. This Source Code Form is subject to the terms of the Mozilla Public
.. License, v. 2.0. If a copy of the MPL was not distributed with this
.. file, you can obtain one at https://mozilla.org/MPL/2.0/.
..
.. See the COPYRIGHT file distributed with this work for additional
.. information regarding copyright ownership.
.. highlight: console
.. iscman:: dig
.. program:: dig
.. _man_dig:
dig - DNS lookup utility
------------------------
Synopsis
~~~~~~~~
:program:`dig` [@server] [**-b** address] [**-c** class] [**-f** filename] [**-k** filename] [**-m**] [**-p** port#] [**-q** name] [**-t** type] [**-v**] [**-x** addr] [**-y** [hmac:]name:key] [ [**-4**] | [**-6**] ] [name] [type] [class] [queryopt...]
:program:`dig` [**-h**]
:program:`dig` [global-queryopt...] [query...]
Description
~~~~~~~~~~~
:program:`dig` is a flexible tool for interrogating DNS name servers. It
performs DNS lookups and displays the answers that are returned from the
name server(s) that were queried. Most DNS administrators use :program:`dig` to
troubleshoot DNS problems because of its flexibility, ease of use, and
clarity of output. Other lookup tools tend to have less functionality
than :program:`dig`.
Although :program:`dig` is normally used with command-line arguments, it also
has a batch mode of operation for reading lookup requests from a file. A
brief summary of its command-line arguments and options is printed when
the :option:`-h` option is given. The BIND 9
implementation of :program:`dig` allows multiple lookups to be issued from the
command line.
Unless it is told to query a specific name server, :program:`dig` tries each
of the servers listed in ``/etc/resolv.conf``. If no usable server
addresses are found, :program:`dig` sends the query to the local host.
When no command-line arguments or options are given, :program:`dig`
performs an NS query for "." (the root).
It is possible to set per-user defaults for :program:`dig` via
``${HOME}/.digrc``. This file is read and any options in it are applied
before the command-line arguments. The :option:`-r` option disables this
feature, for scripts that need predictable behavior.
The IN and CH class names overlap with the IN and CH top-level domain
names. Either use the :option:`-t` and :option:`-c` options to specify the type and
class, use the :option:`-q` to specify the domain name, or use "IN." and
"CH." when looking up these top-level domains.
Simple Usage
~~~~~~~~~~~~
A typical invocation of :program:`dig` looks like:
::
dig @server name type
where:
.. option:: server
is the name or IP address of the name server to query. This can be an
IPv4 address in dotted-decimal notation or an IPv6 address in
colon-delimited notation. When the supplied ``server`` argument is a
hostname, :program:`dig` resolves that name before querying that name
server.
If no ``server`` argument is provided, :program:`dig` consults
``/etc/resolv.conf``; if an address is found there, it queries the
name server at that address. If either of the :option:`-4` or :option:`-6`
options are in use, then only addresses for the corresponding
transport are tried. If no usable addresses are found, :program:`dig`
sends the query to the local host. The reply from the name server
that responds is displayed.
.. option:: name
is the name of the resource record that is to be looked up.
.. option:: type
indicates what type of query is required - ANY, A, MX, SIG, etc.
``type`` can be any valid query type. If no ``type`` argument is
supplied, :program:`dig` performs a lookup for an A record.
Options
~~~~~~~
.. option:: -4
This option indicates that only IPv4 should be used.
.. option:: -6
This option indicates that only IPv6 should be used.
.. option:: -b address[#port]
This option sets the source IP address of the query. The ``address`` must be a
valid address on one of the host's network interfaces, or "0.0.0.0"
or "::". An optional port may be specified by appending ``#port``.
.. option:: -c class
This option sets the query class. The default ``class`` is IN; other classes are
HS for Hesiod records or CH for Chaosnet records.
.. option:: -f file
This option sets batch mode, in which :program:`dig` reads a list of lookup requests to process from
the given ``file``. Each line in the file should be organized in the
same way it would be presented as a query to :program:`dig` using the
command-line interface.
.. option:: -h
Print a usage summary.
.. option:: -k keyfile
This option tells :iscman:`named` to sign queries using TSIG using a key read from the given file. Key
files can be generated using :iscman:`tsig-keygen`. When using TSIG
authentication with :program:`dig`, the name server that is queried needs to
know the key and algorithm that is being used. In BIND, this is done
by providing appropriate ``key`` and ``server`` statements in
:iscman:`named.conf`.
.. option:: -m
This option enables memory usage debugging.
.. option:: -p port
This option sends the query to a non-standard port on the server, instead of the
default port 53. This option is used to test a name server that
has been configured to listen for queries on a non-standard port
number.
.. option:: -q name
This option specifies the domain name to query. This is useful to distinguish the ``name``
from other arguments.
.. option:: -r
This option indicates that options from ``${HOME}/.digrc`` should not be read. This is useful for
scripts that need predictable behavior.
.. option:: -t type
This option indicates the resource record type to query, which can be any valid query type. If
it is a resource record type supported in BIND 9, it can be given by
the type mnemonic (such as ``NS`` or ``AAAA``). The default query type is
``A``, unless the :option:`-x` option is supplied to indicate a reverse
lookup. A zone transfer can be requested by specifying a type of
AXFR. When an incremental zone transfer (IXFR) is required, set the
``type`` to ``ixfr=N``. The incremental zone transfer contains
all changes made to the zone since the serial number in the zone's
SOA record was ``N``.
All resource record types can be expressed as ``TYPEnn``, where ``nn`` is
the number of the type. If the resource record type is not supported
in BIND 9, the result is displayed as described in :rfc:`3597`.
.. option:: -u
This option indicates that print query times should be provided in microseconds instead of milliseconds.
.. option:: -v
This option prints the version number and exits.
.. option:: -x addr
This option sets simplified reverse lookups, for mapping addresses to names. The
``addr`` is an IPv4 address in dotted-decimal notation, or a
colon-delimited IPv6 address. When the :option:`-x` option is used, there is no
need to provide the ``name``, ``class``, and ``type`` arguments.
:program:`dig` automatically performs a lookup for a name like
``94.2.0.192.in-addr.arpa`` and sets the query type and class to PTR
and IN respectively. IPv6 addresses are looked up using nibble format
under the IP6.ARPA domain.
.. option:: -y [hmac:]keyname:secret
This option signs queries using TSIG with the given authentication key.
``keyname`` is the name of the key, and ``secret`` is the
base64-encoded shared secret. ``hmac`` is the name of the key algorithm;
valid choices are ``hmac-md5``, ``hmac-sha1``, ``hmac-sha224``,
``hmac-sha256``, ``hmac-sha384``, or ``hmac-sha512``. If ``hmac`` is
not specified, the default is ``hmac-md5``; if MD5 was disabled, the default is
``hmac-sha256``.
.. note:: Only the :option:`-k` option should be used, rather than the :option:`-y` option,
because with :option:`-y` the shared secret is supplied as a command-line
argument in clear text. This may be visible in the output from ``ps1`` or
in a history file maintained by the user's shell.
Query Options
~~~~~~~~~~~~~
:program:`dig` provides a number of query options which affect the way in which
lookups are made and the results displayed. Some of these set or reset
flag bits in the query header, some determine which sections of the
answer get printed, and others determine the timeout and retry
strategies.
Each query option is identified by a keyword preceded by a plus sign
(``+``). Some keywords set or reset an option; these may be preceded by
the string ``no`` to negate the meaning of that keyword. Other keywords
assign values to options, like the timeout interval. They have the form
``+keyword=value``. Keywords may be abbreviated, provided the
abbreviation is unambiguous; for example, :option:`+cd` is equivalent to
:option:`+cdflag`. The query options are:
.. option:: +aaflag, +noaaflag
This option is a synonym for :option:`+aaonly`, :option:`+noaaonly`.
.. option:: +aaonly, +noaaonly
This option sets the ``aa`` flag in the query.
.. option:: +additional, +noadditional
This option displays [or does not display] the additional section of a reply. The
default is to display it.
.. option:: +adflag, +noadflag
This option sets [or does not set] the AD (authentic data) bit in the query. This
requests the server to return whether all of the answer and authority
sections have been validated as secure, according to the security
policy of the server. ``AD=1`` indicates that all records have been
validated as secure and the answer is not from a OPT-OUT range. ``AD=0``
indicates that some part of the answer was insecure or not validated.
This bit is set by default.
.. option:: +all, +noall
This option sets or clears all display flags.
.. option:: +answer, +noanswer
This option displays [or does not display] the answer section of a reply. The default
is to display it.
.. option:: +authority, +noauthority
This option displays [or does not display] the authority section of a reply. The
default is to display it.
.. option:: +badcookie, +nobadcookie
This option retries the lookup with a new server cookie if a BADCOOKIE response is
received.
.. option:: +besteffort, +nobesteffort
This option attempts to display the contents of messages which are malformed. The
default is to not display malformed answers.
.. option:: +bufsize[=B]
This option sets the UDP message buffer size advertised using EDNS0 to
``B`` bytes. The maximum and minimum sizes of this buffer are 65535 and
0, respectively. ``+bufsize`` restores the default buffer size.
.. option:: +cd, +cdflag, +nocdflag
This option sets [or does not set] the CD (checking disabled) bit in the query. This
requests the server to not perform DNSSEC validation of responses.
.. option:: +class, +noclass
This option displays [or does not display] the CLASS when printing the record.
.. option:: +cmd, +nocmd
This option toggles the printing of the initial comment in the output, identifying the
version of :program:`dig` and the query options that have been applied. This option
always has a global effect; it cannot be set globally and then overridden on a
per-lookup basis. The default is to print this comment.
.. option:: +comments, +nocomments
This option toggles the display of some comment lines in the output, with
information about the packet header and OPT pseudosection, and the names of
the response section. The default is to print these comments.
Other types of comments in the output are not affected by this option, but
can be controlled using other command-line switches. These include
:option:`+cmd`, :option:`+question`, :option:`+stats`, and :option:`+rrcomments`.
.. option:: +cookie=####, +nocookie
This option sends [or does not send] a COOKIE EDNS option, with an optional value. Replaying a COOKIE
from a previous response allows the server to identify a previous
client. The default is ``+cookie``.
``+cookie`` is also set when :option:`+trace` is set to better emulate the
default queries from a nameserver.
.. option:: +crypto, +nocrypto
This option toggles the display of cryptographic fields in DNSSEC records. The
contents of these fields are unnecessary for debugging most DNSSEC
validation failures and removing them makes it easier to see the
common failures. The default is to display the fields. When omitted,
they are replaced by the string ``[omitted]`` or, in the DNSKEY case, the
key ID is displayed as the replacement, e.g. ``[ key id = value ]``.
.. option:: +defname, +nodefname
This option, which is deprecated, is treated as a synonym for
:option:`+search`, :option:`+nosearch`.
.. option:: +dns64prefix, +nodns64prefix
Lookup IPV4ONLY.ARPA AAAA and print any DNS64 prefixes found.
.. option:: +dnssec, +do, +nodnssec, +nodo
This option requests that DNSSEC records be sent by setting the DNSSEC OK (DO) bit in
the OPT record in the additional section of the query.
.. option:: +domain=somename
This option sets the search list to contain the single domain ``somename``, as if
specified in a ``domain`` directive in ``/etc/resolv.conf``, and
enables search list processing as if the :option:`+search` option were
given.
.. option:: +dscp=value
This option sets the DSCP code point to be used when sending the query. Valid DSCP
code points are in the range [0...63]. By default no code point is
explicitly set.
.. option:: +edns[=#], +noedns
This option specifies the EDNS version to query with. Valid values are 0 to 255.
Setting the EDNS version causes an EDNS query to be sent.
``+noedns`` clears the remembered EDNS version. EDNS is set to 0 by
default.
.. option:: +ednsflags[=#], +noednsflags
This option sets the must-be-zero EDNS flags bits (Z bits) to the specified value.
Decimal, hex, and octal encodings are accepted. Setting a named flag
(e.g., DO) is silently ignored. By default, no Z bits are set.
.. option:: +ednsnegotiation, +noednsnegotiation
This option enables/disables EDNS version negotiation. By default, EDNS version
negotiation is enabled.
.. option:: +ednsopt[=code[:value]], +noednsopt
This option specifies the EDNS option with code point ``code`` and an optional payload
of ``value`` as a hexadecimal string. ``code`` can be either an EDNS
option name (for example, ``NSID`` or ``ECS``) or an arbitrary
numeric value. ``+noednsopt`` clears the EDNS options to be sent.
.. option:: +expire, +noexpire
This option sends an EDNS Expire option.
.. option:: +fail, +nofail
This option indicates that :iscman:`named` should try [or not try] the next server if a SERVFAIL is received. The default is
to not try the next server, which is the reverse of normal stub
resolver behavior.
.. option:: +header-only, +noheader-only
This option sends a query with a DNS header without a question section. The
default is to add a question section. The query type and query name
are ignored when this is set.
.. option:: +https[=value], +nohttps
This option indicates whether to use DNS over HTTPS (DoH) when querying
name servers. When this option is in use, the port number defaults to 443.
The HTTP POST request mode is used when sending the query.
If ``value`` is specified, it will be used as the HTTP endpoint in the
query URI; the default is ``/dns-query``. So, for example, ``dig
@example.com +https`` will use the URI ``https://example.com/dns-query``.
.. option:: +https-get[=value], +nohttps-get
Similar to :option:`+https`, except that the HTTP GET request mode is used
when sending the query.
.. option:: +https-post[=value], +nohttps-post
Same as :option:`+https`.
.. option:: +http-plain[=value], +nohttp-plain
Similar to :option:`+https`, except that HTTP queries will be sent over a
non-encrypted channel. When this option is in use, the port number
defaults to 80 and the HTTP request mode is POST.
.. option:: +http-plain-get[=value], +nohttp-plain-get
Similar to :option:`+http-plain`, except that the HTTP request mode is GET.
.. option:: +http-plain-post[=value], +nohttp-plain-post
Same as :option:`+http-plain`.
.. option:: +identify, +noidentify
This option shows [or does not show] the IP address and port number that
supplied the answer, when the :option:`+short` option is enabled. If short
form answers are requested, the default is not to show the source
address and port number of the server that provided the answer.
.. option:: +idn, +noidn
Enable or disable IDN processing. By default IDN is enabled for
input query names, and for display when the output is a terminal.
You can also turn off :program:`dig`'s IDN processing by setting
the ``IDN_DISABLE`` environment variable.
.. option:: +ignore, +noignore
This option ignores [or does not ignore] truncation in UDP
responses instead of retrying with TCP. By default, TCP retries are
performed.
.. option:: +keepalive, +nokeepalive
This option sends [or does not send] an EDNS Keepalive option.
.. option:: +keepopen, +nokeepopen
This option keeps [or does not keep] the TCP socket open between queries, and reuses it rather than
creating a new TCP socket for each lookup. The default is
``+nokeepopen``.
.. option:: +multiline, +nomultiline
This option prints [or does not print] records, like the SOA records, in a verbose multi-line format
with human-readable comments. The default is to print each record on
a single line to facilitate machine parsing of the :program:`dig` output.
.. option:: +ndots=D
This option sets the number of dots (``D``) that must appear in ``name`` for
it to be considered absolute. The default value is that defined using
the ``ndots`` statement in ``/etc/resolv.conf``, or 1 if no ``ndots``
statement is present. Names with fewer dots are interpreted as
relative names, and are searched for in the domains listed in the
``search`` or ``domain`` directive in ``/etc/resolv.conf`` if
:option:`+search` is set.
.. option:: +nsid, +nonsid
When enabled, this option includes an EDNS name server ID request when sending a query.
.. option:: +nssearch, +nonssearch
When this option is set, :program:`dig` attempts to find the authoritative
name servers for the zone containing the name being looked up, and
display the SOA record that each name server has for the zone.
Addresses of servers that did not respond are also printed.
.. option:: +onesoa, +noonesoa
When enabled, this option prints only one (starting) SOA record when performing an AXFR. The
default is to print both the starting and ending SOA records.
.. option:: +opcode=value, +noopcode
When enabled, this option sets (restores) the DNS message opcode to the specified value. The
default value is QUERY (0).
.. option:: +padding=value
This option pads the size of the query packet using the EDNS Padding option to
blocks of ``value`` bytes. For example, ``+padding=32`` causes a
48-byte query to be padded to 64 bytes. The default block size is 0,
which disables padding; the maximum is 512. Values are ordinarily
expected to be powers of two, such as 128; however, this is not
mandatory. Responses to padded queries may also be padded, but only
if the query uses TCP or DNS COOKIE.
.. option:: +qid=value
This option specifies the query ID to use when sending queries.
.. option:: +qr, +noqr
This option toggles the display of the query message as it is sent. By default, the query
is not printed.
.. option:: +question, +noquestion
This option toggles the display of the question section of a query when an answer is
returned. The default is to print the question section as a comment.
.. option:: +raflag, +noraflag
This option sets [or does not set] the RA (Recursion Available) bit in the query. The
default is ``+noraflag``. This bit is ignored by the server for
QUERY.
.. option:: +rdflag, +nordflag
This option is a synonym for :option:`+recurse`, :option:`+norecurse`.
.. option:: +recurse, +norecurse
This option toggles the setting of the RD (recursion desired) bit in the query.
This bit is set by default, which means :program:`dig` normally sends
recursive queries. Recursion is automatically disabled when the
:option:`+nssearch` or :option:`+trace` query option is used.
.. option:: +retry=T
This option sets the number of times to retry UDP and TCP queries to server to ``T``
instead of the default, 2. Unlike :option:`+tries`, this does not include
the initial query.
.. option:: +rrcomments, +norrcomments
This option toggles the display of per-record comments in the output (for example,
human-readable key information about DNSKEY records). The default is
not to print record comments unless multiline mode is active.
.. option:: +search, +nosearch
This option uses [or does not use] the search list defined by the searchlist or domain
directive in ``resolv.conf``, if any. The search list is not used by
default.
``ndots`` from ``resolv.conf`` (default 1), which may be overridden by
:option:`+ndots`, determines whether the name is treated as relative
and hence whether a search is eventually performed.
.. option:: +short, +noshort
This option toggles whether a terse answer is provided. The default is to print the answer in a verbose
form. This option always has a global effect; it cannot be set globally and
then overridden on a per-lookup basis.
.. option:: +showbadcookie, +noshowbadcookie
This option toggles whether to show the message containing the
BADCOOKIE rcode before retrying the request or not. The default
is to not show the messages.
.. option:: +showsearch, +noshowsearch
This option performs [or does not perform] a search showing intermediate results.
.. option:: +sigchase, +nosigchase
This feature is now obsolete and has been removed; use :iscman:`delv`
instead.
.. option:: +split=W
This option splits long hex- or base64-formatted fields in resource records into
chunks of ``W`` characters (where ``W`` is rounded up to the nearest
multiple of 4). ``+nosplit`` or ``+split=0`` causes fields not to be
split at all. The default is 56 characters, or 44 characters when
multiline mode is active.
.. option:: +stats, +nostats
This option toggles the printing of statistics: when the query was made, the size of the
reply, etc. The default behavior is to print the query statistics as a
comment after each lookup.
.. option:: +subnet=addr[/prefix-length], +nosubnet
This option sends [or does not send] an EDNS CLIENT-SUBNET option with the specified IP
address or network prefix.
``dig +subnet=0.0.0.0/0``, or simply ``dig +subnet=0`` for short,
sends an EDNS CLIENT-SUBNET option with an empty address and a source
prefix-length of zero, which signals a resolver that the client's
address information must *not* be used when resolving this query.
.. option:: +tcflag, +notcflag
This option sets [or does not set] the TC (TrunCation) bit in the query. The default is
``+notcflag``. This bit is ignored by the server for QUERY.
.. option:: +tcp, +notcp
This option indicates whether to use TCP when querying name servers.
The default behavior is to use UDP unless a type ``any`` or ``ixfr=N``
query is requested, in which case the default is TCP. AXFR queries
always use TCP.
.. option:: +timeout=T
This option sets the timeout for a query to ``T`` seconds. The default timeout is
5 seconds. An attempt to set ``T`` to less than 1 is silently set to 1.
.. option:: +tls, +notls
This option indicates whether to use DNS over TLS (DoT) when querying
name servers. When this option is in use, the port number defaults
to 853.
.. option:: +tls-ca[=file-name], +notls-ca
This option enables remote server TLS certificate validation for
DNS transports, relying on TLS. Certificate authorities
certificates are loaded from the specified PEM file
(``file-name``). If the file is not specified, the default
certificates from the global certificates store are used.
.. option:: +tls-certfile=file-name, +tls-keyfile=file-name, +notls-certfile, +notls-keyfile
These options set the state of certificate-based client
authentication for DNS transports, relying on TLS. Both certificate
chain file and private key file are expected to be in PEM format.
Both options must be specified at the same time.
.. option:: +tls-hostname=hostname, +notls-hostname
This option makes :program:`dig` use the provided hostname during remote
server TLS certificate verification. Otherwise, the DNS server name
is used. This option has no effect if :option:`+tls-ca` is not specified.
.. option:: +topdown, +notopdown
This feature is related to :option:`dig +sigchase`, which is obsolete and
has been removed. Use :iscman:`delv` instead.
.. option:: +trace, +notrace
This option toggles tracing of the delegation path from the root name servers for
the name being looked up. Tracing is disabled by default. When
tracing is enabled, :program:`dig` makes iterative queries to resolve the
name being looked up. It follows referrals from the root servers,
showing the answer from each server that was used to resolve the
lookup.
If ``@server`` is also specified, it affects only the initial query for
the root zone name servers.
:option:`+dnssec` is also set when :option:`+trace` is set, to better emulate the
default queries from a name server.
.. option:: +tries=T
This option sets the number of times to try UDP and TCP queries to server to ``T``
instead of the default, 3. If ``T`` is less than or equal to zero,
the number of tries is silently rounded up to 1.
.. option:: +trusted-key=####
This option formerly specified trusted keys for use with :option:`dig +sigchase`. This
feature is now obsolete and has been removed; use :iscman:`delv` instead.
.. option:: +ttlid, +nottlid
This option displays [or does not display] the TTL when printing the record.
.. option:: +ttlunits, +nottlunits
This option displays [or does not display] the TTL in friendly human-readable time
units of ``s``, ``m``, ``h``, ``d``, and ``w``, representing seconds, minutes,
hours, days, and weeks. This implies :option:`+ttlid`.
.. option:: +unknownformat, +nounknownformat
This option prints all RDATA in unknown RR type presentation format (:rfc:`3597`).
The default is to print RDATA for known types in the type's
presentation format.
.. option:: +vc, +novc
This option uses [or does not use] TCP when querying name servers. This alternate
syntax to :option:`+tcp` is provided for backwards compatibility. The
``vc`` stands for "virtual circuit."
.. option:: +yaml, +noyaml
When enabled, this option prints the responses (and, if :option:`+qr` is in use, also the
outgoing queries) in a detailed YAML format.
.. option:: +zflag, +nozflag
This option sets [or does not set] the last unassigned DNS header flag in a DNS query.
This flag is off by default.
Multiple Queries
~~~~~~~~~~~~~~~~
The BIND 9 implementation of :program:`dig` supports specifying multiple
queries on the command line (in addition to supporting the :option:`-f` batch
file option). Each of those queries can be supplied with its own set of
flags, options, and query options.
In this case, each ``query`` argument represents an individual query in
the command-line syntax described above. Each consists of any of the
standard options and flags, the name to be looked up, an optional query
type and class, and any query options that should be applied to that
query.
A global set of query options, which should be applied to all queries,
can also be supplied. These global query options must precede the first
tuple of name, class, type, options, flags, and query options supplied
on the command line. Any global query options (except :option:`+cmd` and
:option:`+short` options) can be overridden by a query-specific set of
query options. For example:
::
dig +qr www.isc.org any -x 127.0.0.1 isc.org ns +noqr
shows how :program:`dig` can be used from the command line to make three
lookups: an ANY query for ``www.isc.org``, a reverse lookup of 127.0.0.1,
and a query for the NS records of ``isc.org``. A global query option of
:option:`+qr` is applied, so that :program:`dig` shows the initial query it made for
each lookup. The final query has a local query option of :option:`+qr` which
means that :program:`dig` does not print the initial query when it looks up the
NS records for ``isc.org``.
Return Codes
~~~~~~~~~~~~
:program:`dig` return codes are:
``0``
DNS response received, including NXDOMAIN status
``1``
Usage error
``8``
Couldn't open batch file
``9``
No reply from server
``10``
Internal error
Files
~~~~~
``/etc/resolv.conf``
``${HOME}/.digrc``
See Also
~~~~~~~~
:iscman:`delv(1) <delv>`, :iscman:`host(1) <host>`, :iscman:`named(8) <named>`, :iscman:`dnssec-keygen(8) <dnssec-keygen>`, :rfc:`1035`.
Bugs
~~~~
There are probably too many query options.

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@@ -1,467 +0,0 @@
/*
* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
*
* SPDX-License-Identifier: MPL-2.0
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, you can obtain one at https://mozilla.org/MPL/2.0/.
*
* See the COPYRIGHT file distributed with this work for additional
* information regarding copyright ownership.
*/
#pragma once
/*! \file */
#include <inttypes.h>
#include <stdbool.h>
#include <isc/attributes.h>
#include <isc/buffer.h>
#include <isc/formatcheck.h>
#include <isc/lang.h>
#include <isc/list.h>
#include <isc/loop.h>
#include <isc/magic.h>
#include <isc/mem.h>
#include <isc/netmgr.h>
#include <isc/print.h>
#include <isc/refcount.h>
#include <isc/sockaddr.h>
#include <isc/time.h>
#include <dns/rdatalist.h>
#include <dst/dst.h>
#ifdef __APPLE__
#include <TargetConditionals.h>
#endif /* ifdef __APPLE__ */
#define MXSERV 20
#define MXNAME (DNS_NAME_MAXTEXT + 1)
#define MXRD 32
/*% Buffer Size */
#define BUFSIZE 512
#define COMMSIZE 0xffff
#ifndef RESOLV_CONF
/*% location of resolve.conf */
#define RESOLV_CONF "/etc/resolv.conf"
#endif /* ifndef RESOLV_CONF */
/*% output buffer */
#define OUTPUTBUF 32767
/*% Max RR Limit */
#define MAXRRLIMIT 0xffffffff
#define MAXTIMEOUT 0xffff
/*% Max number of tries */
#define MAXTRIES 0xffffffff
/*% Max number of dots */
#define MAXNDOTS 0xffff
/*% Max number of ports */
#define MAXPORT 0xffff
/*% Max serial number */
#define MAXSERIAL 0xffffffff
/*% Max query ID */
#define MAXQID 0xffff
/*% Default TCP Timeout */
#define TCP_TIMEOUT 10
/*% Default UDP Timeout */
#define UDP_TIMEOUT 5
#define SERVER_TIMEOUT 1
#define LOOKUP_LIMIT 64
#define DEFAULT_EDNS_VERSION 0
#define DEFAULT_EDNS_BUFSIZE 1232
#define DEFAULT_HTTPS_QUERY "?dns="
/*%
* Lookup_limit is just a limiter, keeping too many lookups from being
* created. It's job is mainly to prevent the program from running away
* in a tight loop of constant lookups. It's value is arbitrary.
*/
ISC_LANG_BEGINDECLS
typedef struct dig_lookup dig_lookup_t;
typedef struct dig_query dig_query_t;
typedef struct dig_server dig_server_t;
typedef ISC_LIST(dig_server_t) dig_serverlist_t;
typedef struct dig_searchlist dig_searchlist_t;
#define DIG_LOOKUP_MAGIC ISC_MAGIC('D', 'i', 'g', 'l')
#define DIG_VALID_LOOKUP(x) ISC_MAGIC_VALID((x), DIG_LOOKUP_MAGIC)
#define DIG_QUERY_MAGIC ISC_MAGIC('D', 'i', 'g', 'q')
#define DIG_VALID_QUERY(x) ISC_MAGIC_VALID((x), DIG_QUERY_MAGIC)
/*% The dig_lookup structure */
struct dig_lookup {
unsigned int magic;
isc_refcount_t references;
bool aaonly, adflag, badcookie, besteffort, cdflag, cleared, comments,
dns64prefix, dnssec, doing_xfr, done_as_is, ednsneg, expandaaaa,
expire, header_only, identify, /*%< Append an "on server <foo>"
message */
identify_previous_line, /*% Prepend a "Nameserver <foo>:"
message, with newline and tab */
idnin, idnout, ignore, multiline, need_search, new_search,
noclass, nocrypto, nottl, ns_search_only, /*%< dig +nssearch,
host -C */
ns_search_success, nsid, /*% Name Server ID (RFC 5001) */
onesoa, pending, /*%< Pending a successful answer */
print_unknown_format, qr, raflag, recurse, section_additional,
section_answer, section_authority, section_question,
seenbadcookie, sendcookie, servfail_stops,
setqid, /*% use a speciied query ID */
showbadcookie, stats, tcflag, tcp_keepalive, tcp_mode,
tcp_mode_set, tls_mode, /*% connect using TLS */
trace, /*% dig +trace */
trace_root, /*% initial query for either +trace or +nssearch */
ttlunits, use_usec, waiting_connect, zflag;
char textname[MXNAME]; /*% Name we're going to be looking up */
char cmdline[MXNAME];
dns_rdatatype_t rdtype;
dns_rdatatype_t qrdtype;
dns_rdataclass_t rdclass;
bool rdtypeset;
bool rdclassset;
char name_space[BUFSIZE];
char oname_space[BUFSIZE];
isc_buffer_t namebuf;
isc_buffer_t onamebuf;
isc_buffer_t renderbuf;
char *sendspace;
dns_name_t *name;
isc_interval_t interval;
dns_message_t *sendmsg;
dns_name_t *oname;
ISC_LINK(dig_lookup_t) link;
ISC_LIST(dig_query_t) q;
ISC_LIST(dig_query_t) connecting;
dig_query_t *current_query;
dig_serverlist_t my_server_list;
dig_searchlist_t *origin;
dig_query_t *xfr_q;
uint32_t retries;
int nsfound;
int16_t udpsize;
int16_t edns;
int16_t padding;
uint32_t ixfr_serial;
isc_buffer_t rdatabuf;
char rdatastore[MXNAME];
dst_context_t *tsigctx;
isc_buffer_t *querysig;
uint32_t msgcounter;
dns_fixedname_t fdomain;
isc_sockaddr_t *ecs_addr;
char *cookie;
dns_ednsopt_t *ednsopts;
unsigned int ednsoptscnt;
isc_dscp_t dscp;
unsigned int ednsflags;
dns_opcode_t opcode;
int rrcomments;
uint16_t qid;
struct {
bool http_plain;
bool https_mode;
bool https_get;
char *https_path;
};
struct {
bool tls_ca_set;
char *tls_ca_file;
bool tls_hostname_set;
char *tls_hostname;
bool tls_cert_file_set;
char *tls_cert_file;
bool tls_key_file_set;
char *tls_key_file;
isc_tlsctx_cache_t *tls_ctx_cache;
};
};
/*% The dig_query structure */
struct dig_query {
unsigned int magic;
dig_lookup_t *lookup;
bool started;
bool first_soa_rcvd;
bool second_rr_rcvd;
bool first_repeat_rcvd;
bool warn_id;
bool canceled;
uint32_t first_rr_serial;
uint32_t second_rr_serial;
uint32_t msg_count;
uint32_t rr_count;
bool ixfr_axfr;
char *servname;
char *userarg;
isc_buffer_t sendbuf;
char *recvspace, *tmpsendspace, lengthspace[4];
isc_refcount_t references;
isc_nmhandle_t *handle;
isc_nmhandle_t *readhandle;
isc_nmhandle_t *sendhandle;
ISC_LINK(dig_query_t) link;
ISC_LINK(dig_query_t) clink;
isc_sockaddr_t sockaddr;
isc_time_t time_sent;
isc_time_t time_recv;
uint64_t byte_count;
isc_timer_t *timer;
};
struct dig_server {
char servername[MXNAME];
char userarg[MXNAME];
ISC_LINK(dig_server_t) link;
};
struct dig_searchlist {
char origin[MXNAME];
ISC_LINK(dig_searchlist_t) link;
};
typedef ISC_LIST(dig_searchlist_t) dig_searchlistlist_t;
typedef ISC_LIST(dig_lookup_t) dig_lookuplist_t;
/*
* Externals from dighost.c
*/
extern dig_lookuplist_t lookup_list;
extern dig_serverlist_t server_list;
extern dig_searchlistlist_t search_list;
extern unsigned int extrabytes;
extern bool check_ra, have_ipv4, have_ipv6, specified_source, usesearch,
showsearch, yaml;
extern in_port_t port;
extern bool port_set;
extern unsigned int timeout;
extern isc_mem_t *mctx;
extern isc_refcount_t sendcount;
extern int ndots;
extern int lookup_counter;
extern int exitcode;
extern isc_sockaddr_t localaddr;
extern char keynametext[MXNAME];
extern char keyfile[MXNAME];
extern char keysecret[MXNAME];
extern const dns_name_t *hmacname;
extern unsigned int digestbits;
extern dns_tsigkey_t *tsigkey;
extern bool validated;
extern isc_taskmgr_t *taskmgr;
extern isc_loopmgr_t *loopmgr;
extern isc_loop_t *mainloop;
extern bool free_now;
extern bool debugging, debugtiming, memdebugging;
extern bool keep_open;
extern char *progname;
extern int tries;
extern int fatalexit;
extern bool verbose;
/*
* Routines in dighost.c.
*/
isc_result_t
get_address(char *host, in_port_t myport, isc_sockaddr_t *sockaddr);
int
getaddresses(dig_lookup_t *lookup, const char *host, isc_result_t *resultp);
isc_result_t
get_reverse(char *reverse, size_t len, char *value, bool strict);
noreturn void
fatal(const char *format, ...) ISC_FORMAT_PRINTF(1, 2);
void
warn(const char *format, ...) ISC_FORMAT_PRINTF(1, 2);
noreturn void
digexit(void);
void
debug(const char *format, ...) ISC_FORMAT_PRINTF(1, 2);
void
check_result(isc_result_t result, const char *msg);
bool
setup_lookup(dig_lookup_t *lookup);
void
destroy_lookup(dig_lookup_t *lookup);
void
do_lookup(dig_lookup_t *lookup);
void
start_lookup(void);
void
onrun_callback(void *arg);
void
run_loop(void *arg);
int
dhmain(int argc, char **argv);
void
setup_libs(void);
void
setup_system(bool ipv4only, bool ipv6only);
isc_result_t
parse_uint(uint32_t *uip, const char *value, uint32_t max, const char *desc);
isc_result_t
parse_xint(uint32_t *uip, const char *value, uint32_t max, const char *desc);
isc_result_t
parse_netprefix(isc_sockaddr_t **sap, const char *value);
void
parse_hmac(const char *hmacstr);
dig_lookup_t *
requeue_lookup(dig_lookup_t *lookold, bool servers);
dig_lookup_t *
make_empty_lookup(void);
dig_lookup_t *
clone_lookup(dig_lookup_t *lookold, bool servers);
dig_server_t *
make_server(const char *servname, const char *userarg);
void
flush_server_list(void);
void
set_nameserver(char *opt);
void
clone_server_list(dig_serverlist_t src, dig_serverlist_t *dest);
void
cancel_all(void);
void
destroy_libs(void);
void
set_search_domain(char *domain);
/*
* Routines to be defined in dig.c, host.c, and nslookup.c. and
* then assigned to the appropriate function pointer
*/
extern isc_result_t (*dighost_printmessage)(dig_query_t *query,
const isc_buffer_t *msgbuf,
dns_message_t *msg, bool headers);
/*
* Print an error message in the appropriate format.
*/
extern void (*dighost_error)(const char *format, ...);
/*
* Print a warning message in the appropriate format.
*/
extern void (*dighost_warning)(const char *format, ...);
/*
* Print a comment in the appropriate format.
*/
extern void (*dighost_comments)(dig_lookup_t *lookup, const char *format, ...);
/*%<
* Print the final result of the lookup.
*/
extern void (*dighost_received)(unsigned int bytes, isc_sockaddr_t *from,
dig_query_t *query);
/*%<
* Print a message about where and when the response
* was received from, like the final comment in the
* output of "dig".
*/
extern void (*dighost_trying)(char *frm, dig_lookup_t *lookup);
extern void (*dighost_shutdown)(void);
extern void (*dighost_pre_exit_hook)(void);
void
save_opt(dig_lookup_t *lookup, char *code, char *value);
void
setup_file_key(void);
void
setup_text_key(void);
/*
* Routines exported from dig.c for use by dig for iOS
*/
/*%
* Call once only to set up libraries, parse global
* parameters and initial command line query parameters
*/
void
dig_setup(int argc, char **argv);
/*%
* Call to supply new parameters for the next lookup
*/
void
dig_query_setup(bool, bool, int argc, char **argv);
/*%
* set the main application event cycle running
*/
void
dig_startup(void);
/*%
* Initiates the next lookup cycle
*/
void
dig_query_start(void);
/*%
* Activate/deactivate IDN filtering of output.
*/
void
dig_idnsetup(dig_lookup_t *lookup, bool active);
/*%
* Cleans up the application
*/
void
dig_shutdown(void);
bool
dig_lookup_is_tls(const dig_lookup_t *lookup);
ISC_LANG_ENDDECLS

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@@ -1,193 +0,0 @@
.. Copyright (C) Internet Systems Consortium, Inc. ("ISC")
..
.. SPDX-License-Identifier: MPL-2.0
..
.. This Source Code Form is subject to the terms of the Mozilla Public
.. License, v. 2.0. If a copy of the MPL was not distributed with this
.. file, you can obtain one at https://mozilla.org/MPL/2.0/.
..
.. See the COPYRIGHT file distributed with this work for additional
.. information regarding copyright ownership.
.. highlight: console
.. iscman:: host
.. program:: host
.. _man_host:
host - DNS lookup utility
-------------------------
Synopsis
~~~~~~~~
:program:`host` [**-aACdlnrsTUwv**] [**-c** class] [**-N** ndots] [**-p** port] [**-R** number] [**-t** type] [**-W** wait] [**-m** flag] [ [**-4**] | [**-6**] ] [**-v**] [**-V**] {name} [server]
Description
~~~~~~~~~~~
:program:`host` is a simple utility for performing DNS lookups. It is normally
used to convert names to IP addresses and vice versa. When no arguments
or options are given, :program:`host` prints a short summary of its
command-line arguments and options.
``name`` is the domain name that is to be looked up. It can also be a
dotted-decimal IPv4 address or a colon-delimited IPv6 address, in which
case :program:`host` by default performs a reverse lookup for that address.
``server`` is an optional argument which is either the name or IP
address of the name server that :program:`host` should query instead of the
server or servers listed in ``/etc/resolv.conf``.
Options
~~~~~~~
.. option:: -4
This option specifies that only IPv4 should be used for query transport. See also the :option:`-6` option.
.. option:: -6
This option specifies that only IPv6 should be used for query transport. See also the :option:`-4` option.
.. option:: -a
The :option:`-a` ("all") option is normally equivalent to :option:`-v` :option:`-t ANY <-t>`. It
also affects the behavior of the :option:`-l` list zone option.
.. option:: -A
The :option:`-A` ("almost all") option is equivalent to :option:`-a`, except that RRSIG,
NSEC, and NSEC3 records are omitted from the output.
.. option:: -c class
This option specifies the query class, which can be used to lookup HS (Hesiod) or CH (Chaosnet)
class resource records. The default class is IN (Internet).
.. option:: -C
This option indicates that :iscman:`named` should check consistency, meaning that :program:`host` queries the SOA records for zone
``name`` from all the listed authoritative name servers for that
zone. The list of name servers is defined by the NS records that are
found for the zone.
.. option:: -d
This option prints debugging traces, and is equivalent to the :option:`-v` verbose option.
.. option:: -l
This option tells :iscman:`named` to list the zone, meaning the :program:`host` command performs a zone transfer of zone
``name`` and prints out the NS, PTR, and address records (A/AAAA).
Together, the :option:`-l` :option:`-a` options print all records in the zone.
.. option:: -N ndots
This option specifies the number of dots (``ndots``) that have to be in ``name`` for it to be
considered absolute. The default value is that defined using the
``ndots`` statement in ``/etc/resolv.conf``, or 1 if no ``ndots`` statement
is present. Names with fewer dots are interpreted as relative names,
and are searched for in the domains listed in the ``search`` or
``domain`` directive in ``/etc/resolv.conf``.
.. option:: -p port
This option specifies the port to query on the server. The default is 53.
.. option:: -r
This option specifies a non-recursive query; setting this option clears the RD (recursion
desired) bit in the query. This means that the name server
receiving the query does not attempt to resolve ``name``. The :option:`-r`
option enables :program:`host` to mimic the behavior of a name server by
making non-recursive queries, and expecting to receive answers to
those queries that can be referrals to other name servers.
.. option:: -R number
This option specifies the number of retries for UDP queries. If ``number`` is negative or zero,
the number of retries is silently set to 1. The default value is 1, or
the value of the ``attempts`` option in ``/etc/resolv.conf``, if set.
.. option:: -s
This option tells :iscman:`named` *not* to send the query to the next nameserver if any server responds
with a SERVFAIL response, which is the reverse of normal stub
resolver behavior.
.. option:: -t type
This option specifies the query type. The ``type`` argument can be any recognized query type:
CNAME, NS, SOA, TXT, DNSKEY, AXFR, etc.
When no query type is specified, :program:`host` automatically selects an
appropriate query type. By default, it looks for A, AAAA, and MX
records. If the :option:`-C` option is given, queries are made for SOA
records. If ``name`` is a dotted-decimal IPv4 address or
colon-delimited IPv6 address, :program:`host` queries for PTR records.
If a query type of IXFR is chosen, the starting serial number can be
specified by appending an equals sign (=), followed by the starting serial
number, e.g., :option:`-t IXFR=12345678 <-t>`.
.. option:: -T, -U
This option specifies TCP or UDP. By default, :program:`host` uses UDP when making queries; the
:option:`-T` option makes it use a TCP connection when querying the name
server. TCP is automatically selected for queries that require
it, such as zone transfer (AXFR) requests. Type ``ANY`` queries default
to TCP, but can be forced to use UDP initially via :option:`-U`.
.. option:: -m flag
This option sets memory usage debugging: the flag can be ``record``, ``usage``, or
``trace``. The :option:`-m` option can be specified more than once to set
multiple flags.
.. option:: -v
This option sets verbose output, and is equivalent to the :option:`-d` debug option. Verbose output
can also be enabled by setting the ``debug`` option in
``/etc/resolv.conf``.
.. option:: -V
This option prints the version number and exits.
.. option:: -w
This option sets "wait forever": the query timeout is set to the maximum possible. See
also the :option:`-W` option.
.. option:: -W wait
This options sets the length of the wait timeout, indicating that :iscman:`named` should wait for up to ``wait`` seconds for a reply. If ``wait`` is
less than 1, the wait interval is set to 1 second.
By default, :program:`host` waits for 5 seconds for UDP responses and 10
seconds for TCP connections. These defaults can be overridden by the
``timeout`` option in ``/etc/resolv.conf``.
See also the :option:`-w` option.
IDN Support
~~~~~~~~~~~
If :program:`host` has been built with IDN (internationalized domain name)
support, it can accept and display non-ASCII domain names. :program:`host`
appropriately converts character encoding of a domain name before sending
a request to a DNS server or displaying a reply from the server.
To turn off IDN support, define the ``IDN_DISABLE``
environment variable. IDN support is disabled if the variable is set
when :program:`host` runs.
Files
~~~~~
``/etc/resolv.conf``
See Also
~~~~~~~~
:iscman:`dig(1) <dig>`, :iscman:`named(8) <named>`.

263
bin/dig/include/dig/dig.h Normal file
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/*
* Copyright (C) 2000, 2001 Internet Software Consortium.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM
* DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
* INTERNET SOFTWARE CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT,
* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
* FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: dig.h,v 1.60.4.1 2001/01/09 22:31:26 bwelling Exp $ */
#ifndef DIG_H
#define DIG_H
#include <dns/rdatalist.h>
#include <dst/dst.h>
#include <isc/boolean.h>
#include <isc/buffer.h>
#include <isc/bufferlist.h>
#include <isc/lang.h>
#include <isc/list.h>
#include <isc/mem.h>
#include <isc/print.h>
#include <isc/sockaddr.h>
#include <isc/socket.h>
#define MXSERV 6
#define MXNAME (DNS_NAME_MAXTEXT+1)
#define MXRD 32
#define BUFSIZE 512
#define COMMSIZE 0xffff
#define RESOLVCONF "/etc/resolv.conf"
#define OUTPUTBUF 32767
#define MAXRRLIMIT 0xffffffff
#define MAXTIMEOUT 0xffff
#define MAXTRIES 0xffffffff
#define MAXNDOTS 0xffff
#define MAXPORT 0xffff
#define MAXSERIAL 0xffffffff
/*
* Default timeout values
*/
#define TCP_TIMEOUT 10
#define UDP_TIMEOUT 5
#define SERVER_TIMEOUT 1
#define LOOKUP_LIMIT 64
/*
* Lookup_limit is just a limiter, keeping too many lookups from being
* created. It's job is mainly to prevent the program from running away
* in a tight loop of constant lookups. It's value is arbitrary.
*/
#define ROOTNS 1
/*
* Set the number of root servers to ask for information when running in
* trace mode.
* XXXMWS -- trace mode is currently semi-broken, and this number *MUST*
* be 1.
*/
ISC_LANG_BEGINDECLS
typedef struct dig_lookup dig_lookup_t;
typedef struct dig_query dig_query_t;
typedef struct dig_server dig_server_t;
typedef ISC_LIST(dig_server_t) dig_serverlist_t;
typedef struct dig_searchlist dig_searchlist_t;
struct dig_lookup {
isc_boolean_t
pending, /* Pending a successful answer */
waiting_connect,
doing_xfr,
ns_search_only,
identify,
ignore,
recurse,
aaonly,
adflag,
cdflag,
trace,
trace_root,
defname,
tcp_mode,
nibble,
comments,
stats,
section_question,
section_answer,
section_authority,
section_additional,
servfail_stops,
new_search,
besteffort,
dnssec;
char textname[MXNAME]; /* Name we're going to be looking up */
char cmdline[MXNAME];
dns_rdatatype_t rdtype;
dns_rdataclass_t rdclass;
isc_boolean_t rdtypeset;
isc_boolean_t rdclassset;
char namespace[BUFSIZE];
char onamespace[BUFSIZE];
isc_buffer_t namebuf;
isc_buffer_t onamebuf;
isc_buffer_t sendbuf;
char *sendspace;
dns_name_t *name;
isc_timer_t *timer;
isc_interval_t interval;
dns_message_t *sendmsg;
dns_name_t *oname;
ISC_LINK(dig_lookup_t) link;
ISC_LIST(dig_query_t) q;
dig_query_t *current_query;
dig_serverlist_t my_server_list;
dig_searchlist_t *origin;
dig_query_t *xfr_q;
isc_uint32_t retries;
int nsfound;
isc_uint16_t udpsize;
isc_uint32_t ixfr_serial;
isc_buffer_t rdatabuf;
char rdatastore[MXNAME];
#ifdef DNS_OPT_NEWCODES_LIVE
char zonename[MXNAME];
char viewname[MXNAME];
#endif /* DNS_OPT_NEWCODES_LIVE */
dst_context_t *tsigctx;
isc_buffer_t *querysig;
isc_uint32_t msgcounter;
};
struct dig_query {
dig_lookup_t *lookup;
isc_boolean_t waiting_connect,
first_pass,
first_soa_rcvd,
second_rr_rcvd,
first_repeat_rcvd,
recv_made;
isc_uint32_t first_rr_serial;
isc_uint32_t second_rr_serial;
isc_uint32_t rr_count;
char *servname;
isc_bufferlist_t sendlist,
recvlist,
lengthlist;
isc_buffer_t recvbuf,
lengthbuf,
slbuf;
char *recvspace,
lengthspace[4],
slspace[4];
isc_socket_t *sock;
ISC_LINK(dig_query_t) link;
isc_sockaddr_t sockaddr;
isc_time_t time_sent;
};
struct dig_server {
char servername[MXNAME];
ISC_LINK(dig_server_t) link;
};
struct dig_searchlist {
char origin[MXNAME];
ISC_LINK(dig_searchlist_t) link;
};
/*
* Routines in dighost.c.
*/
void
get_address(char *host, in_port_t port, isc_sockaddr_t *sockaddr);
isc_result_t
get_reverse(char reverse[MXNAME], char *value, isc_boolean_t nibble);
void
fatal(const char *format, ...);
void
debug(const char *format, ...);
void
check_result(isc_result_t result, const char *msg);
void
setup_lookup(dig_lookup_t *lookup);
void
do_lookup(dig_lookup_t *lookup);
void
start_lookup(void);
void
onrun_callback(isc_task_t *task, isc_event_t *event);
int
dhmain(int argc, char **argv);
void
setup_libs(void);
void
setup_system(void);
dig_lookup_t *
requeue_lookup(dig_lookup_t *lookold, isc_boolean_t servers);
dig_lookup_t *
make_empty_lookup(void);
dig_lookup_t *
clone_lookup(dig_lookup_t *lookold, isc_boolean_t servers);
dig_server_t *
make_server(const char *servname);
void
clone_server_list(dig_serverlist_t src,
dig_serverlist_t *dest);
void
cancel_all(void);
void
destroy_libs(void);
/*
* Routines needed in dig.c and host.c.
*/
isc_result_t
printmessage(dig_query_t *query, dns_message_t *msg, isc_boolean_t headers);
void
received(int bytes, int frmsize, char *frm, dig_query_t *query);
void
trying(int frmsize, char *frm, dig_lookup_t *lookup);
void
dighost_shutdown(void);
char *
next_token(char **stringp, const char *delim);
ISC_LANG_ENDDECLS
#endif

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.. Copyright (C) Internet Systems Consortium, Inc. ("ISC")
..
.. SPDX-License-Identifier: MPL-2.0
..
.. This Source Code Form is subject to the terms of the Mozilla Public
.. License, v. 2.0. If a copy of the MPL was not distributed with this
.. file, you can obtain one at https://mozilla.org/MPL/2.0/.
..
.. See the COPYRIGHT file distributed with this work for additional
.. information regarding copyright ownership.
.. highlight: console
.. iscman:: nslookup
.. program:: nslookup
.. _man_nslookup:
nslookup - query Internet name servers interactively
----------------------------------------------------
Synopsis
~~~~~~~~
:program:`nslookup` [-option] [name | -] [server]
Description
~~~~~~~~~~~
:program:`nslookup` is a program to query Internet domain name servers.
:program:`nslookup` has two modes: interactive and non-interactive. Interactive
mode allows the user to query name servers for information about various
hosts and domains or to print a list of hosts in a domain.
Non-interactive mode prints just the name and requested
information for a host or domain.
Arguments
~~~~~~~~~
Interactive mode is entered in the following cases:
a. when no arguments are given (the default name server is used);
b. when the first argument is a hyphen (-) and the second argument is
the host name or Internet address of a name server.
Non-interactive mode is used when the name or Internet address of the
host to be looked up is given as the first argument. The optional second
argument specifies the host name or address of a name server.
Options can also be specified on the command line if they precede the
arguments and are prefixed with a hyphen. For example, to change the
default query type to host information, with an initial timeout of 10
seconds, type:
::
nslookup -query=hinfo -timeout=10
The ``-version`` option causes :program:`nslookup` to print the version number
and immediately exit.
Interactive Commands
~~~~~~~~~~~~~~~~~~~~
``host [server]``
This command looks up information for :iscman:`host` using the current default server or
using ``server``, if specified. If :iscman:`host` is an Internet address and the
query type is A or PTR, the name of the host is returned. If :iscman:`host` is
a name and does not have a trailing period (``.``), the search list is used
to qualify the name.
To look up a host not in the current domain, append a period to the
name.
``server domain`` | ``lserver domain``
These commands change the default server to ``domain``; ``lserver`` uses the initial
server to look up information about ``domain``, while ``server`` uses the
current default server. If an authoritative answer cannot be found,
the names of servers that might have the answer are returned.
``root``
This command is not implemented.
``finger``
This command is not implemented.
``ls``
This command is not implemented.
``view``
This command is not implemented.
``help``
This command is not implemented.
``?``
This command is not implemented.
``exit``
This command exits the program.
``set keyword[=value]``
This command is used to change state information that affects the
lookups. Valid keywords are:
``all``
This keyword prints the current values of the frequently used options to
``set``. Information about the current default server and host is
also printed.
``class=value``
This keyword changes the query class to one of:
``IN``
the Internet class
``CH``
the Chaos class
``HS``
the Hesiod class
``ANY``
wildcard
The class specifies the protocol group of the information. The default
is ``IN``; the abbreviation for this keyword is ``cl``.
``nodebug``
This keyword turns on or off the display of the full response packet, and any
intermediate response packets, when searching. The default for this keyword is
``nodebug``; the abbreviation for this keyword is ``[no]deb``.
``nod2``
This keyword turns debugging mode on or off. This displays more about what
nslookup is doing. The default is ``nod2``.
``domain=name``
This keyword sets the search list to ``name``.
``nosearch``
If the lookup request contains at least one period, but does not end
with a trailing period, this keyword appends the domain names in the domain
search list to the request until an answer is received. The default is ``search``.
``port=value``
This keyword changes the default TCP/UDP name server port to ``value`` from
its default, port 53. The abbreviation for this keyword is ``po``.
``querytype=value`` | ``type=value``
This keyword changes the type of the information query to ``value``. The
defaults are A and then AAAA; the abbreviations for these keywords are
``q`` and ``ty``.
Please note that it is only possible to specify one query type. Only the default
behavior looks up both when an alternative is not specified.
``norecurse``
This keyword tells the name server to query other servers if it does not have
the information. The default is ``recurse``; the abbreviation for this
keyword is ``[no]rec``.
``ndots=number``
This keyword sets the number of dots (label separators) in a domain that
disables searching. Absolute names always stop searching.
``retry=number``
This keyword sets the number of retries to ``number``.
``timeout=number``
This keyword changes the initial timeout interval to wait for a reply to
``number``, in seconds.
``novc``
This keyword indicates that a virtual circuit should always be used when sending requests to the server.
``novc`` is the default.
``nofail``
This keyword tries the next nameserver if a nameserver responds with SERVFAIL or
a referral (nofail), or terminates the query (fail) on such a response. The
default is ``nofail``.
Return Values
~~~~~~~~~~~~~
:program:`nslookup` returns with an exit status of 1 if any query failed, and 0
otherwise.
IDN Support
~~~~~~~~~~~
If :program:`nslookup` has been built with IDN (internationalized domain name)
support, it can accept and display non-ASCII domain names. :program:`nslookup`
appropriately converts character encoding of a domain name before sending
a request to a DNS server or displaying a reply from the server.
To turn off IDN support, define the ``IDN_DISABLE``
environment variable. IDN support is disabled if the variable is set
when :program:`nslookup` runs, or when the standard output is not a tty.
Files
~~~~~
``/etc/resolv.conf``
See Also
~~~~~~~~
:iscman:`dig(1) <dig>`, :iscman:`host(1) <host>`, :iscman:`named(8) <named>`.

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@@ -1,58 +0,0 @@
/*
* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
*
* SPDX-License-Identifier: MPL-2.0
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, you can obtain one at https://mozilla.org/MPL/2.0/.
*
* See the COPYRIGHT file distributed with this work for additional
* information regarding copyright ownership.
*/
#pragma once
/*
* A little wrapper around readline(), add_history() and free() to make using
* the readline code simpler.
*/
#if defined(HAVE_READLINE_LIBEDIT)
#include <editline/readline.h>
#elif defined(HAVE_READLINE_EDITLINE)
#include <editline.h>
#elif defined(HAVE_READLINE_READLINE)
/* Prevent deprecated functions being declared. */
#define _FUNCTION_DEF 1
/* Ensure rl_message() gets prototype. */
#define USE_VARARGS 1
#define PREFER_STDARG 1
#include <readline/history.h>
#include <readline/readline.h>
#endif
#if !defined(HAVE_READLINE_LIBEDIT) && !defined(HAVE_READLINE_EDITLINE) && \
!defined(HAVE_READLINE_READLINE)
#include <stdio.h>
#include <stdlib.h>
#define RL_MAXCMD (128 * 1024)
static inline char *
readline(const char *prompt) {
char *line, *buf = malloc(RL_MAXCMD);
fprintf(stdout, "%s", prompt);
fflush(stdout);
line = fgets(buf, RL_MAXCMD, stdin);
if (line == NULL) {
free(buf);
return (NULL);
}
return (buf);
};
#define add_history(line)
#endif

7
bin/dnssec/.cvsignore Normal file
View File

@@ -0,0 +1,7 @@
Makefile
dnssec-keygen
dnssec-makekeyset
dnssec-signkey
dnssec-signzone
*.lo
.libs

12
bin/dnssec/.gitignore vendored
View File

@@ -1,12 +0,0 @@
dnssec-cds
dnssec-dsfromkey
dnssec-keyfromlabel
dnssec-keygen
dnssec-makekeyset
dnssec-revoke
dnssec-settime
dnssec-signkey
dnssec-signzone
dnssec-verify
dnssec-importkey
.libs

View File

@@ -1,38 +0,0 @@
include $(top_srcdir)/Makefile.top
AM_CPPFLAGS += \
$(LIBISC_CFLAGS) \
$(LIBDNS_CFLAGS)
AM_CPPFLAGS += \
-DNAMED_CONFFILE=\"${sysconfdir}/named.conf\"
noinst_LTLIBRARIES = libdnssectool.la
LDADD += \
libdnssectool.la \
$(LIBISC_LIBS) \
$(LIBDNS_LIBS)
bin_PROGRAMS = \
dnssec-cds \
dnssec-dsfromkey \
dnssec-importkey \
dnssec-keyfromlabel \
dnssec-keygen \
dnssec-revoke \
dnssec-settime \
dnssec-signzone \
dnssec-verify
libdnssectool_la_SOURCES = \
dnssectool.h \
dnssectool.c
dnssec_keygen_CPPFLAGS = \
$(AM_CPPFLAGS) \
$(LIBISCCFG_CFLAGS)
dnssec_keygen_LDADD = \
$(LDADD) \
$(LIBISCCFG_LIBS)

77
bin/dnssec/Makefile.in Normal file
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@@ -0,0 +1,77 @@
# Copyright (C) 2000, 2001 Internet Software Consortium.
#
# Permission to use, copy, modify, and distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM
# DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
# INTERNET SOFTWARE CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT,
# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
# FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
# NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
# WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
# $Id: Makefile.in,v 1.13.2.1 2001/01/09 22:31:28 bwelling Exp $
srcdir = @srcdir@
VPATH = @srcdir@
top_srcdir = @top_srcdir@
@BIND9_VERSION@
@BIND9_INCLUDES@
CINCLUDES = ${DNS_INCLUDES} ${ISC_INCLUDES}
CDEFINES =
CWARNINGS =
DNSLIBS = ../../lib/dns/libdns.@A@ @DNS_OPENSSL_LIBS@ @DNS_GSSAPI_LIBS@
ISCLIBS = ../../lib/isc/libisc.@A@
DNSDEPLIBS = ../../lib/dns/libdns.@A@
ISCDEPLIBS = ../../lib/isc/libisc.@A@
DEPLIBS = ${DNSDEPLIBS} ${ISCDEPLIBS}
LIBS = ${DNSLIBS} ${ISCLIBS} @LIBS@
# Alphabetically
TARGETS = dnssec-keygen \
dnssec-makekeyset \
dnssec-signkey \
dnssec-signzone
OBJS = dnssectool.@O@
SRCS = dnssec-keygen.c dnssec-makekeyset.c \
dnssec-signkey.c dnssec-signzone.c \
dnssectool.c
@BIND9_MAKE_RULES@
dnssec-keygen: dnssec-keygen.@O@ ${OBJS} ${DEPLIBS}
${LIBTOOL} ${CC} ${CFLAGS} -o $@ dnssec-keygen.@O@ ${OBJS} ${LIBS}
dnssec-makekeyset: dnssec-makekeyset.@O@ ${OBJS} ${DEPLIBS}
${LIBTOOL} ${CC} ${CFLAGS} -o $@ dnssec-makekeyset.@O@ ${OBJS} ${LIBS}
dnssec-signkey: dnssec-signkey.@O@ ${OBJS} ${DEPLIBS}
${LIBTOOL} ${CC} ${CFLAGS} -o $@ dnssec-signkey.@O@ ${OBJS} ${LIBS}
dnssec-signzone.@O@: dnssec-signzone.c
${LIBTOOL} ${CC} ${ALL_CFLAGS} -DVERSION=\"${VERSION}\" -c $<
dnssec-signzone: dnssec-signzone.@O@ ${OBJS} ${DEPLIBS}
${LIBTOOL} ${CC} ${CFLAGS} -o $@ dnssec-signzone.@O@ ${OBJS} ${LIBS}
clean distclean::
rm -f ${TARGETS}
installdirs:
$(SHELL) ${top_srcdir}/mkinstalldirs ${DESTDIR}${sbindir}
install:: ${TARGETS} installdirs
for t in ${TARGETS}; do ${LIBTOOL} ${INSTALL_PROGRAM} $$t ${DESTDIR}${sbindir}; done

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