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372.   [bug]           Deal with Microsoft DNS servers appending two bytes of
                        garbage to zone transfer requests.
This commit is contained in:
Andreas Gustafsson
2000-08-07 22:07:09 +00:00
parent 8907b25e8f
commit ccb10045dd
2 changed files with 14 additions and 3 deletions
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3
CHANGES
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@@ -1,6 +1,9 @@
--- 9.0.0rc2 released ---
372. [bug] Deal with Microsoft DNS servers appending two bytes of
garbage to zone transfer requests.
371. [bug] At high debug levels, doing an outgoing zone transfer
of a very large RRset could cause an assertion failure
during logging.

14
lib/dns/message.c
View File

@@ -15,7 +15,7 @@
* SOFTWARE.
*/
/* $Id: message.c,v 1.131.2.5 2000/07/27 17:18:46 bwelling Exp $ */
/* $Id: message.c,v 1.131.2.6 2000/08/07 22:07:09 gson Exp $ */
/***
*** Imports
@@ -30,6 +30,7 @@
#include <dns/dnssec.h>
#include <dns/keyvalues.h>
#include <dns/log.h>
#include <dns/message.h>
#include <dns/rdata.h>
#include <dns/rdatalist.h>
@@ -1484,8 +1485,15 @@ dns_message_parse(dns_message_t *msg, isc_buffer_t *source,
return (ret);
isc_buffer_remainingregion(source, &r);
if (r.length != 0)
return (DNS_R_FORMERR);
if (r.length != 0) {
if (r.length == 2 && r.base[0] == 'M' && r.base[1] == 'S') {
isc_log_write(dns_lctx, ISC_LOGCATEGORY_GENERAL,
DNS_LOGMODULE_MESSAGE, ISC_LOG_INFO,
"message has nonstandard Microsoft tag");
} else {
return (DNS_R_FORMERR);
}
}
if (msg->tsig != NULL || msg->tsigkey != NULL || msg->sig0 != NULL) {
msg->saved = isc_mem_get(msg->mctx, sizeof(isc_region_t));