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1182. [bug] The server could throw an assertion failure when

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constructing a negative response packet.
This commit is contained in:
Brian Wellington 2002-01-21 16:26:06 +00:00
parent a5c077e40c
commit 8569ab045a
2 changed files with 7 additions and 4 deletions
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3
CHANGES
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@ -1,3 +1,6 @@
1182. [bug] The server could throw an assertion failure when
constructing a negative response packet.
1181. [func] Add the "key-directory" configuration statement,
which allows the server to look for online signing
keys in alternate directories.

8
lib/dns/ncache.c
View file

@ -15,7 +15,7 @@
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: ncache.c,v 1.25 2001/11/30 01:59:13 gson Exp $ */
/* $Id: ncache.c,v 1.26 2002/01/21 16:26:06 bwelling Exp $ */
#include <config.h>
@ -258,7 +258,7 @@ dns_ncache_towire(dns_rdataset_t *rdataset, dns_compress_t *cctx,
{
dns_rdata_t rdata = DNS_RDATA_INIT;
isc_result_t result;
isc_region_t remaining, tremaining;
isc_region_t remaining, tavailable;
isc_buffer_t source, savedbuffer, rdlen;
dns_name_t name;
dns_rdatatype_t type;
@ -324,8 +324,8 @@ dns_ncache_towire(dns_rdataset_t *rdataset, dns_compress_t *cctx,
* See if we have space for type, class, ttl, and
* rdata length. Write the type, class, and ttl.
*/
isc_buffer_remainingregion(target, &tremaining);
if (tremaining.length < 10) {
isc_buffer_availableregion(target, &tavailable);
if (tavailable.length < 10) {
result = ISC_R_NOSPACE;
goto rollback;
}