ba3644fcee
OBS-URL: https://build.opensuse.org/package/show/openSUSE:Factory/systemd?expand=0&rev=217
32 lines
934 B
Diff
32 lines
934 B
Diff
From 306a55c86360a7ae7b2509771d5ea6ab0d166d85 Mon Sep 17 00:00:00 2001
|
|
From: Lennart Poettering <lennart@poettering.net>
|
|
Date: Sun, 29 Jun 2014 22:15:33 +0200
|
|
Subject: [PATCH] util: refuse considering UID 0xFFFF and 0xFFFFFFFF valid
|
|
|
|
---
|
|
src/shared/util.c | 8 ++++++++
|
|
1 file changed, 8 insertions(+)
|
|
|
|
diff --git src/shared/util.c src/shared/util.c
|
|
index e7ff0f8..1709bb7 100644
|
|
--- src/shared/util.c
|
|
+++ src/shared/util.c
|
|
@@ -280,6 +280,14 @@ int parse_uid(const char *s, uid_t* ret_uid) {
|
|
if ((unsigned long) uid != ul)
|
|
return -ERANGE;
|
|
|
|
+ /* Some libc APIs use (uid_t) -1 as special placeholder */
|
|
+ if (uid == (uid_t) 0xFFFFFFFF)
|
|
+ return -EINVAL;
|
|
+
|
|
+ /* A long time ago UIDs where 16bit, hence explicitly avoid the 16bit -1 too */
|
|
+ if (uid == (uid_t) 0xFFFF)
|
|
+ return -EINVAL;
|
|
+
|
|
*ret_uid = uid;
|
|
return 0;
|
|
}
|
|
--
|
|
1.7.9.2
|
|
|