From 3b3b1c2601ba35ce51b5e5cf8b4002eaa45c1611 Mon Sep 17 00:00:00 2001
From: Mark Reynolds <mreynolds@redhat.com>
Date: Fri, 14 Mar 2014 12:33:40 -0400
Subject: [PATCH 188/225] Ticket 47740 - Crash caused by changes to certmap.c
Bug Description: dncomps & filtercomps could be incorrectly freed,
which lead to a crash.
Fix Description: Allocate "" for dncomps & filtercomps, instead of
setting it on the stack.
https://fedorahosted.org/389/ticket/47740
Reviewed by: rmeggins(Thanks!)
(cherry picked from commit 33b98f1c901f1441dd1f709e244735fa339a287e)
(cherry picked from commit b46e1fddeea9c13537d975e5807f84c4359590ce)
---
lib/ldaputil/certmap.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/lib/ldaputil/certmap.c b/lib/ldaputil/certmap.c
index aa5bafa..0935e4d 100644
--- a/lib/ldaputil/certmap.c
+++ b/lib/ldaputil/certmap.c
@@ -524,7 +524,7 @@ static int process_certinfo (LDAPUCertMapInfo_t *certinfo)
}
else if (rv == LDAPU_SUCCESS && !dncomps) {
certinfo->dncompsState = COMPS_EMPTY;
- dncomps = ""; /* present but empty */
+ dncomps = strdup(""); /* present but empty */
}
rv = parse_into_bitmask (dncomps, &certinfo->dncomps, -1);
@@ -547,12 +547,12 @@ static int process_certinfo (LDAPUCertMapInfo_t *certinfo)
}
else if (rv == LDAPU_SUCCESS && !filtercomps) {
certinfo->filtercompsState = COMPS_EMPTY;
- filtercomps = ""; /* present but empty */
+ filtercomps = strdup(""); /* present but empty */
}
rv = parse_into_bitmask (filtercomps, &certinfo->filtercomps, 0);
- if (filtercomps) free(filtercomps);
+ free(filtercomps); filtercomps = NULL;
if (rv != LDAPU_SUCCESS) return rv;
@@ -590,7 +590,7 @@ static int process_certinfo (LDAPUCertMapInfo_t *certinfo)
else if (rv == LDAPU_FAILED) rv = LDAPU_SUCCESS;
if (verify) free(verify);
-
+
if (rv != LDAPU_SUCCESS) return rv;
{
--
1.8.1.4