programs/starter/exec.c

   1 /* strongSwan IPsec exec helper function
   2  * Copyright (C) 2001-2002 Mathieu Lafon - Arkoon Network Security
   3  *
   4  * This program is free software; you can redistribute it and/or modify it
   5  * under the terms of the GNU General Public License as published by the
   6  * Free Software Foundation; either version 2 of the License, or (at your
   7  * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
   8  *
   9  * This program is distributed in the hope that it will be useful, but
  10  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  11  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * for more details.
  13  *
  14  * RCSID $Id: exec.c,v 1.4 2006/01/04 23:30:24 as Exp $
  15  */
  16
  17 #include <stdlib.h>
  18 #include <stdarg.h>
  19 #include <string.h>
  20 #include <stdio.h>
  21
  22 #include <freeswan.h>
  23
  24 #include "../pluto/constants.h"
  25 #include "../pluto/defs.h"
  26 #include "../pluto/log.h"
  27
  28 #include "exec.h"
  29
  30 #define BUF_SIZE  2048
  31
  32 /**
  33  * TODO:
  34  * o log stdout with LOG_LEVEL_INFO and stderr with LOG_LEVEL_ERR
  35  */
  36
  37 int
  38 starter_exec(const char *fmt, ...)
  39 {
  40     va_list args;
  41     static char buf[BUF_SIZE];
  42     int r;
  43
  44     va_start (args, fmt);
  45     vsnprintf(buf, BUF_SIZE-1, fmt, args);
  46     buf[BUF_SIZE - 1] = '\0';
  47     va_end(args);
  48     r = system(buf);
  49     DBG(DBG_CONTROL,
  50         DBG_log("starter_exec(%s) = %d", buf, r)
  51     )
  52     return r;
  53 }
  54