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Potential memory leaks in ipa-kpasswd

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This patch fixes 2 situations where a pointer to allocated error
string could be overwritten - which could have resulted in
a memory leak.

https://fedorahosted.org/freeipa/ticket/716
This commit is contained in:
Martin Kosek 2011-01-12 13:19:21 +01:00 committed by Simo Sorce
parent c69d8084c1
commit 63e70d052c
1 changed files with 6 additions and 0 deletions
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6
daemons/ipa-kpasswd/ipa_kpasswd.c
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@ -925,6 +925,9 @@ kpreply:
kdec.data[1] = result_err & 0xff;
memcpy(&kdec.data[2], result_string, strlen(result_string));
free(result_string);
result_string = NULL;
krberr = krb5_auth_con_setaddrs(context, auth_context, &lkaddr, NULL);
if (krberr) {
result_string = strdup("Failed to set local address");
@ -938,6 +941,9 @@ kpreply:
result_string = strdup("Failed to encrypt reply message");
syslog(LOG_ERR, "%s: %s", result_string,
krb5_get_error_message(context, krberr));
free(result_string);
result_string = NULL;
/* encryption was unsuccessful, let's return a krb error */
/* the ap data is no more useful */