Clean up environment after executing scripts.

[tinc] / src / process.c

diff --git a/src/process.c b/src/process.c
index b82e951..7500259 100644 (file)
--- a/src/process.c
+++ b/src/process.c
@@ -1,7 +1,7 @@
 /*
     process.c -- process management functions
-    Copyright (C) 1999-2003 Ivo Timmermans <ivo@o2w.nl>,
-                  2000-2003 Guus Sliepen <guus@sliepen.eu.org>
+    Copyright (C) 1999-2004 Ivo Timmermans <ivo@tinc-vpn.org>,
+                  2000-2004 Guus Sliepen <guus@tinc-vpn.org>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -17,7 +17,7 @@
     along with this program; if not, write to the Free Software
     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
-    $Id: process.c,v 1.1.2.78 2003/12/07 14:29:02 guus Exp $
+    $Id$
 */
 
 #include "system.h"
@@ -363,6 +363,7 @@ bool execute_script(const char *name, char **envp)
        int status, len;
        struct stat s;
        char *scriptname;
+       int i;
 
        cp();
 
@@ -386,8 +387,8 @@ bool execute_script(const char *name, char **envp)
 #ifdef HAVE_PUTENV
        /* Set environment */
        
-       while(*envp)
-               putenv(*envp++);
+       for(i = 0; envp[i]; i++)
+               putenv(envp[i]);
 #endif
 
        scriptname[len - 1] = '\"';
@@ -395,7 +396,13 @@ bool execute_script(const char *name, char **envp)
 
        free(scriptname);
 
-       /* Unset environment? */
+       /* Unset environment */
+
+       for(i = 0; envp[i]; i++) {
+               char *e = strchr(envp[i], '=');
+               if(e)
+                       putenv(strndupa(envp[i], e - envp[i]));
+       }
 
 #ifdef WEXITSTATUS
        if(status != -1) {