From: Thorsten Kukuk <kukuk@thkukuk.de>
Date: Sun, 18 Sep 2005 10:44:25 +0000 (+0000)
Subject: Relevant BUGIDs: none
X-Git-Tag: help~47
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=652b57c94099e205c8881444c425d88b24f42530;p=linux-pam

Relevant BUGIDs: none

Purpose of commit: bugfix

Commit summary:
---------------

check if argument which we try to access exists
---

diff --git a/modules/pam_selinux/pam_selinux_check.c b/modules/pam_selinux/pam_selinux_check.c
index 6ff3fbc0..73c77fa0 100644
--- a/modules/pam_selinux/pam_selinux_check.c
+++ b/modules/pam_selinux/pam_selinux_check.c
@@ -121,6 +121,9 @@ main (int argc, char **argv)
   pam_handle_t *pamh;
   int childPid;
 
+  if (argc < 1)
+    exit (-1);
+
   if (!authenticate_via_pam(argv[1],&pamh))
     exit(-1);
 
@@ -149,7 +152,7 @@ main (int argc, char **argv)
     pam_end( pamh, PAM_SUCCESS );
     exit(0);
   }
-  argv[0]="/bin/sh";
+  argv[0]=strdup ("/bin/sh");
   argv[1]=NULL;
 
   /* NOTE: The environment has not been sanitized. LD_PRELOAD and other fun