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msg->tsigkey was not checked for NULL before deferencing [RT #913]

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This commit is contained in:
Brian Wellington 2001-02-23 01:38:07 +00:00
parent bc334fc901
commit 5ca7310c8a
1 changed files with 13 additions and 8 deletions
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21
lib/dns/message.c
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@ -15,7 +15,7 @@
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: message.c,v 1.180 2001/02/19 20:14:23 bwelling Exp $ */
/* $Id: message.c,v 1.181 2001/02/23 01:38:07 bwelling Exp $ */
/***
*** Imports
@ -2717,14 +2717,19 @@ dns_message_signer(dns_message_t *msg, dns_name_t *signer) {
result = DNS_R_TSIGERRORSET;
else
result = ISC_R_SUCCESS;
identity = dns_tsigkey_identity(msg->tsigkey);
if (identity == NULL) {
if (result == ISC_R_SUCCESS)
result = DNS_R_NOIDENTITY;
identity = &msg->tsigkey->name;
}
dns_name_clone(identity, signer);
dns_rdata_freestruct(&tsig);
if (msg->tsigkey == NULL) {
INSIST(result != ISC_R_SUCCESS);
} else {
identity = dns_tsigkey_identity(msg->tsigkey);
if (identity == NULL) {
if (result == ISC_R_SUCCESS)
result = DNS_R_NOIDENTITY;
identity = &msg->tsigkey->name;
}
dns_name_clone(identity, signer);
}
}
return (result);