From: Simo Sorce <idra@samba.org>
Date: Thu, 3 May 2007 12:28:25 +0000 (+0000)
Subject: r22646: segfault fix in idmap_ldap.c from 3_0_25
X-Git-Tag: samba-misc-tags/initial-v3-0-unstable~562
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=565d7d0b18f18ba11f186667df95bc608a179efa;p=thirdparty%2Fsamba.git

r22646: segfault fix in idmap_ldap.c from 3_0_25
---

diff --git a/source/nsswitch/idmap_ldap.c b/source/nsswitch/idmap_ldap.c
index 2fb9a17d3f5..45d2b344afa 100644
--- a/source/nsswitch/idmap_ldap.c
+++ b/source/nsswitch/idmap_ldap.c
@@ -80,11 +80,17 @@ static NTSTATUS get_credentials( TALLOC_CTX *mem_ctx,
 	tmp = lp_parm_const_string(-1, config_option, "ldap_user_dn", NULL);
 
 	if ( tmp ) {
-		secret = idmap_fetch_secret("ldap", false, dom->name, tmp);
+		if (!dom) {
+			/* only the alloc backend is allowed to pass in a NULL dom */
+			secret = idmap_fetch_secret("ldap", true, NULL, tmp);
+		} else {
+			secret = idmap_fetch_secret("ldap", false, dom->name, tmp);
+		} 
+
 		if (!secret) {
 			DEBUG(0, ("get_credentials: Unable to fetch "
 				  "auth credentials for %s in %s\n",
-				  tmp, dom->name));
+				  tmp, (dom==NULL)?"ALLOC":dom->name));
 			ret = NT_STATUS_ACCESS_DENIED;
 			goto done;
 		}