From 3c85fe0c7ca6ddaa15cdfbf0d0db27ae0dd9f739 Mon Sep 17 00:00:00 2001
From: Jamie Cameron <jcameron@webmin.com>
Date: Sat, 19 Dec 2020 12:15:11 -0800
Subject: [PATCH] Use absolute path to the su command, if we have it

---
 web-lib-funcs.pl | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/web-lib-funcs.pl b/web-lib-funcs.pl
index 580073db8..6aa6e3aa4 100755
--- a/web-lib-funcs.pl
+++ b/web-lib-funcs.pl
@@ -10099,7 +10099,8 @@ if ($uinfo[8] ne "/bin/sh" && $uinfo[8] !~ /\/bash$/ && $env < 2) {
 		$shellarg = " -m";
 		}
 	}
-my $rv = "su".($env == 1 || $env == 3 ? " -" : "").$shellarg.
+my $su = &has_command("su") || "su";
+my $rv = $su.($env == 1 || $env == 3 ? " -" : "").$shellarg.
 	 " ".quotemeta($user)." -c ".quotemeta(join(" ", @args));
 return $rv;
 }