--- client/dhclient.c
+++ client/dhclient.c	2008/09/08 09:27:16
@@ -2659,6 +2659,12 @@ int script_go (client)
 		 */
 		if (leaseFile != NULL)
 			fclose(leaseFile);
+		if ((i = open("/dev/null", O_RDWR)) != -1) {
+			dup2(i, STDIN_FILENO);
+			dup2(i, STDOUT_FILENO);
+			if (i > STDERR_FILENO)
+				close(i);
+		}
 		execve (scriptName, argv, envp);
 		log_error ("execve (%s, ...): %m", scriptName);
 		exit (0);