systemd/SOURCES/0473-user-util-switch-order-of-checks-in-valid_user_group.patch

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2021-03-16 04:10:44 +00:00
From 7569168bea3d7e11cd3afe6167fcf4a3ac65a1a6 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Mon, 30 Mar 2020 21:46:01 +0200
Subject: [PATCH] user-util: switch order of checks in
valid_user_group_name_or_id_full()
When we are supposed to accept numeric UIDs formatted as string, then
let's check that first, before passing things on to
valid_user_group_name_full(), since that might log about, and not the
other way round.
See: #15201
Follow-up for: 93c23c9297e48e594785e0bb9c51504aae5fbe3e
(cherry picked from commit a85daa0dfb3eb03be9845760e90e54b9af8fb00e)
Related: #1848373
---
src/basic/user-util.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/src/basic/user-util.c b/src/basic/user-util.c
index 7dd2bb2c84..68a924770b 100644
--- a/src/basic/user-util.c
+++ b/src/basic/user-util.c
@@ -656,10 +656,10 @@ bool valid_user_group_name_or_id_full(const char *u, bool strict) {
if (isempty(u))
return false;
- if (valid_user_group_name_full(u, strict))
+ if (parse_uid(u, NULL) >= 0)
return true;
- return parse_uid(u, NULL) >= 0;
+ return valid_user_group_name_full(u, strict);
}
bool valid_gecos(const char *d) {