From 822625de3d5dc7675e37af1c383ff1d42d943c86 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Wed, 11 Apr 2012 13:19:26 +0200
Subject: [PATCH] main: unset some bash specific environment variables that
might get leaked to us
https://bugzilla.redhat.com/show_bug.cgi?id=811537
(cherry picked from commit 9543ad166338a7bef8718070f11465df4b9badd7)
---
src/main.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/src/main.c b/src/main.c
index a0bcbdf..6656cb4 100644
--- a/src/main.c
+++ b/src/main.c
@@ -1343,6 +1343,12 @@ int main(int argc, char *argv[]) {
unsetenv("HOME");
unsetenv("TERM");
+ /* When we are invoked by a shell, these might be set,
+ * but make little sense to pass on */
+ unsetenv("PWD");
+ unsetenv("SHLVL");
+ unsetenv("_");
+
/* All other variables are left as is, so that clients
* can still read them via /proc/1/environ */
}