File skip-if-relayclient.c of Package qmail-spp-plugins

/*
* Copyright (C) 2007 Sebastian Werner <blackwing@blackwing.de> 
*
* 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 the Free Software Foundation; either
* version 2 of the License, or (at your option) any later
* version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*/

#include <stdio.h>
#include <stdlib.h>

int
main (int argc, char *argv[])
{
  int ppid = getppid ();
  //If relay client, don't check at all
  if (getenv ("RELAYCLIENT"))
    {
      printf ("A\n");
      fprintf (stderr,
               "skip-if-relayclient: pid %d - RELAYCLIENT detected. All further plugins will be skipped.\n",
               ppid);
      exit (0);
    }

// Else: Walk down the plugin chain. 
  exit (0);
}