From: Lars Mueller <lars@samba.org>
Date: Thu, 1 Dec 2015 20:40:45 +0100
Subject: [PATCH] cover DIR krb5 ccache too
Bugzilla: bso#11631

Index: source3/winbindd/winbindd_pam.c
===================================================================
--- source3/winbindd/winbindd_pam.c.orig
+++ source3/winbindd/winbindd_pam.c
@@ -492,6 +492,18 @@ static const char *generate_krb5_ccache(
 			gen_cc = talloc_asprintf(
 				mem_ctx, "WRFILE:/tmp/krb5cc_%d", uid);
 		}
+		if (strequal(type, "DIR")) {
+			char *run_user_dir = NULL;
+			gen_cc = talloc_asprintf(
+				mem_ctx, "DIR:/run/user/%d/krb5cc", uid);
+			run_user_dir = talloc_asprintf(
+				mem_ctx, "/run/user/%d", uid);
+			if (mkdir(run_user_dir, 0700) == 0) {
+				DEBUG(10, ("creating DIR: %s\n", run_user_dir));
+				chown(run_user_dir, uid, (gid_t)-1);
+			}
+			talloc_free(run_user_dir);
+		}
 		if (strequal(type, "KEYRING")) {
 			gen_cc = talloc_asprintf(
 				mem_ctx, "KEYRING:persistent:%d", uid);