svn commit: samba r22202 - in branches/SAMBA_3_0/source/nsswitch: .

[jra at samba.org]

Author: jra
Date: 2007-04-12 19:16:29 +0000 (Thu, 12 Apr 2007)
New Revision: 22202

WebSVN: http://websvn.samba.org/cgi-bin/viewcvs.cgi?view=rev&root=samba&rev=22202

Log:
Volker is clever :-). Use TDB_NOMMAP to prevent any wild pointer
problems when validating the winbindd cache. Wish I'd have
thought of that.
Jeremy.

Modified:
   branches/SAMBA_3_0/source/nsswitch/winbindd_cache.c


Changeset:
Modified: branches/SAMBA_3_0/source/nsswitch/winbindd_cache.c
===================================================================
--- branches/SAMBA_3_0/source/nsswitch/winbindd_cache.c	2007-04-12 15:06:24 UTC (rev 22201)
+++ branches/SAMBA_3_0/source/nsswitch/winbindd_cache.c	2007-04-12 19:16:29 UTC (rev 22202)
@@ -2790,9 +2790,12 @@
 			goto out;
 	}
 
+	/* Doh ! Volker is very smart :-). Use TDB_NOMMAP to prevent
+	 * any wild pointer references when reading a corrupt tdb file. */
+
 	tdb = tdb_open_log(cache_path,
 			WINBINDD_CACHE_TDB_DEFAULT_HASH_SIZE,
-			lp_winbind_offline_logon() ? TDB_DEFAULT : (TDB_DEFAULT | TDB_CLEAR_IF_FIRST),
+			lp_winbind_offline_logon() ? TDB_NOMMAP : (TDB_NOMMAP | TDB_CLEAR_IF_FIRST),
 			O_RDWR|O_CREAT, 0600);
 	if (!tdb) {
 		goto out;