From: Karel Zak <kzak@redhat.com>
Date: Mon, 12 Dec 2022 09:05:04 +0000 (+0100)
Subject: lib/shells: make sure line does not start with '#'
X-Git-Tag: v2.39-rc1~376
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=5099e004b486e7c4f7153abc9843f49c1593fe66;p=thirdparty%2Futil-linux.git

lib/shells: make sure line does not start with '#'

It's probably unnecessary, but better safe than sorry. The original
is_restricted_shell() from su(1) uses this check.

Signed-off-by: Karel Zak <kzak@redhat.com>
---

diff --git a/lib/shells.c b/lib/shells.c
index 2d3ec01762..0707a18c8f 100644
--- a/lib/shells.c
+++ b/lib/shells.c
@@ -60,7 +60,7 @@ extern int is_known_shell(const char *shell_name)
 
 	setusershell();
 	while ((s = getusershell())) {
-		if (strcmp(shell_name, s) == 0) {
+		if (*s != '#' && strcmp(shell_name, s) == 0) {
 			ret = 1;
 			break;
 		}