dovecot-2.2: acl: Don't crash when rebuilding acl dict for "unus...

[dovecot at dovecot.org]

details:   http://hg.dovecot.org/dovecot-2.2/rev/d211174a2392
changeset: 16087:d211174a2392
user:      Timo Sirainen <tss at iki.fi>
date:      Fri Mar 22 10:29:12 2013 +0200
description:
acl: Don't crash when rebuilding acl dict for "unusable" namespaces.

diffstat:

 src/plugins/acl/acl-lookup-dict.c |  3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diffs (13 lines):

diff -r 9439a43bd645 -r d211174a2392 src/plugins/acl/acl-lookup-dict.c
--- a/src/plugins/acl/acl-lookup-dict.c	Thu Mar 21 23:51:16 2013 +0200
+++ b/src/plugins/acl/acl-lookup-dict.c	Fri Mar 22 10:29:12 2013 +0200
@@ -110,7 +110,8 @@
 	string_t *id;
 	int ret, ret2 = 0;
 
-	if ((ns->flags & NAMESPACE_FLAG_NOACL) != 0 || ns->owner == NULL)
+	if ((ns->flags & NAMESPACE_FLAG_NOACL) != 0 || ns->owner == NULL ||
+	    ACL_LIST_CONTEXT(ns->list) == NULL)
 		return 0;
 
 	id = t_str_new(128);