From: Karel Zak <kzak@redhat.com>
Date: Thu, 7 Oct 2010 07:03:31 +0000 (+0200)
Subject: swapon: warn if file owner is not root
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=306c1df2f781652b9bab67d42423c5518f17205b;p=util-linux

swapon: warn if file owner is not root

Reported-by: Bernhard Voelker <bernhard.voelker@siemens-enterprise.com>
Signed-off-by: Karel Zak <kzak@redhat.com>
---

diff --git a/mount/swapon.c b/mount/swapon.c
index c7006550..d5114925 100644
--- a/mount/swapon.c
+++ b/mount/swapon.c
@@ -392,6 +392,10 @@ swapon_checks(const char *special)
 			warnx(_("%s: insecure permissions %04o, %04o suggested."),
 				special, st.st_mode & 07777,
 				~permMask & 0666);
+
+		if (S_ISREG(st.st_mode) && st.st_uid != 0)
+			warnx(_("%s: insecure file owner %d, 0 (root) suggested."),
+				special, st.st_uid);
 	}
 
 	/* test for holes by LBT */