b99d097cc4
4578. [security] Some chaining (CNAME or DNAME) responses to upstream
queries could trigger assertion failures.
(CVE-2017-3137) [RT #44734]
(cherry picked from commit f240f4a5de)
115 lines
5.5 KiB
Bash
115 lines
5.5 KiB
Bash
#!/bin/sh
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#
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# Copyright (C) 2011, 2012, 2016, 2017 Internet Systems Consortium, Inc. ("ISC")
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#
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# Permission to use, copy, modify, and/or distribute this software for any
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# purpose with or without fee is hereby granted, provided that the above
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# copyright notice and this permission notice appear in all copies.
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#
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# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
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# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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# AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
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# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
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# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
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# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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# PERFORMANCE OF THIS SOFTWARE.
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SYSTEMTESTTOP=..
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. $SYSTEMTESTTOP/conf.sh
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status=0
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n=0
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echo "I:checking short dname from authoritative"
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ret=0
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$DIG a.short-dname.example @10.53.0.2 a -p 5300 > dig.out.ns2.short || ret=1
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grep "status: NOERROR" dig.out.ns2.short > /dev/null || ret=1
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if [ $ret != 0 ]; then echo "I:failed"; fi
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status=`expr $status + $ret`
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echo "I:checking short dname from recursive"
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ret=0
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$DIG a.short-dname.example @10.53.0.4 a -p 5300 > dig.out.ns4.short || ret=1
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grep "status: NOERROR" dig.out.ns4.short > /dev/null || ret=1
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if [ $ret != 0 ]; then echo "I:failed"; fi
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status=`expr $status + $ret`
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echo "I:checking long dname from authoritative"
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ret=0
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$DIG a.long-dname.example @10.53.0.2 a -p 5300 > dig.out.ns2.long || ret=1
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grep "status: NOERROR" dig.out.ns2.long > /dev/null || ret=1
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if [ $ret != 0 ]; then echo "I:failed"; fi
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status=`expr $status + $ret`
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echo "I:checking long dname from recursive"
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ret=0
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$DIG a.long-dname.example @10.53.0.4 a -p 5300 > dig.out.ns4.long || ret=1
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grep "status: NOERROR" dig.out.ns4.long > /dev/null || ret=1
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if [ $ret != 0 ]; then echo "I:failed"; fi
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status=`expr $status + $ret`
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echo "I:checking (too) long dname from authoritative"
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ret=0
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$DIG 01234567890123456789012345678901234567890123456789.longlonglonglonglonglonglonglonglonglonglonglonglonglonglong.longlonglonglonglonglonglonglonglonglonglonglonglonglonglong.longlonglonglonglonglonglonglonglonglonglonglonglonglonglong.long-dname.example @10.53.0.2 a -p 5300 > dig.out.ns2.toolong || ret=1
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grep "status: YXDOMAIN" dig.out.ns2.toolong > /dev/null || ret=1
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if [ $ret != 0 ]; then echo "I:failed"; fi
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status=`expr $status + $ret`
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echo "I:checking (too) long dname from recursive with cached DNAME"
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ret=0
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$DIG 01234567890123456789012345678901234567890123456789.longlonglonglonglonglonglonglonglonglonglonglonglonglonglong.longlonglonglonglonglonglonglonglonglonglonglonglonglonglong.longlonglonglonglonglonglonglonglonglonglonglonglonglonglong.long-dname.example @10.53.0.4 a -p 5300 > dig.out.ns4.cachedtoolong || ret=1
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grep "status: YXDOMAIN" dig.out.ns4.cachedtoolong > /dev/null || ret=1
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grep '^long-dname\.example\..*DNAME.*long' dig.out.ns4.cachedtoolong > /dev/null || ret=1
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if [ $ret != 0 ]; then echo "I:failed"; fi
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status=`expr $status + $ret`
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echo "I:checking (too) long dname from recursive without cached DNAME"
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ret=0
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$DIG 01234567890123456789012345678901234567890123456789.longlonglonglonglonglonglonglonglonglonglonglonglonglonglong.longlonglonglonglonglonglonglonglonglonglonglonglonglonglong.longlonglonglonglonglonglonglonglonglonglonglonglonglong.toolong-dname.example @10.53.0.4 a -p 5300 > dig.out.ns4.uncachedtoolong || ret=1
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grep "status: YXDOMAIN" dig.out.ns4.uncachedtoolong > /dev/null || ret=1
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grep '^toolong-dname\.example\..*DNAME.*long' dig.out.ns4.uncachedtoolong > /dev/null || ret=1
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if [ $ret != 0 ]; then echo "I:failed"; fi
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status=`expr $status + $ret`
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echo "I:checking cname to dname from authoritative"
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ret=0
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$DIG cname.example @10.53.0.2 a -p 5300 > dig.out.ns2.cname
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grep "status: NOERROR" dig.out.ns2.cname > /dev/null || ret=1
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if [ $ret != 0 ]; then echo "I:failed"; fi
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status=`expr $status + $ret`
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echo "I:checking cname to dname from recursive"
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ret=0
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$DIG cname.example @10.53.0.4 a -p 5300 > dig.out.ns4.cname
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grep "status: NOERROR" dig.out.ns4.cname > /dev/null || ret=1
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grep '^cname.example.' dig.out.ns4.cname > /dev/null || ret=1
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grep '^cnamedname.example.' dig.out.ns4.cname > /dev/null || ret=1
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grep '^a.cnamedname.example.' dig.out.ns4.cname > /dev/null || ret=1
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grep '^a.target.example.' dig.out.ns4.cname > /dev/null || ret=1
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if [ $ret != 0 ]; then echo "I:failed"; fi
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status=`expr $status + $ret`
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n=`expr $n + 1`
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echo "I:checking dname is returned with synthesized cname before dname ($n)"
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ret=0
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$DIG @10.53.0.4 -p 5300 name.synth-then-dname.example.broken A > dig.out.test$n
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grep "status: NXDOMAIN" dig.out.test$n > /dev/null || ret=1
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grep '^name.synth-then-dname\.example\.broken\..*CNAME.*name.$' dig.out.test$n > /dev/null || ret=1
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grep '^synth-then-dname\.example\.broken\..*DNAME.*\.$' dig.out.test$n > /dev/null || ret=1
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if [ $ret != 0 ]; then echo "I:failed"; fi
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status=`expr $status + $ret`
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n=`expr $n + 1`
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echo "I:checking dname is returned with cname to synthesized cname before dname ($n)"
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ret=0
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$DIG @10.53.0.4 -p 5300 cname-to-synth2-then-dname.example.broken A > dig.out.test$n
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grep "status: NXDOMAIN" dig.out.test$n > /dev/null || ret=1
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grep '^cname-to-synth2-then-dname\.example\.broken\..*CNAME.*name\.synth2-then-dname\.example\.broken.$' dig.out.test$n > /dev/null || ret=1
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grep '^name\.synth2-then-dname\.example\.broken\..*CNAME.*name.$' dig.out.test$n > /dev/null || ret=1
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grep '^synth2-then-dname\.example\.broken\..*DNAME.*\.$' dig.out.test$n > /dev/null || ret=1
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if [ $ret != 0 ]; then echo "I:failed"; fi
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status=`expr $status + $ret`
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echo "I:exit status: $status"
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[ $status -eq 0 ] || exit 1
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