/* This file is part of GNU Pies. -*- c -*-
   Copyright (C) 2016-2019 Sergey Poznyakoff

   GNU Pies 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 3, or (at your option)
   any later version.

   GNU Pies 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 GNU Pies.  If not, see <http://www.gnu.org/licenses/>. */

OPTIONS_COMMAND_BEGIN("pies",
                      [<>],
		      [<send command to init process via the legacy interface>],
		      [<[RUNLEVEL]>],
		      [<gnu>],
		      [<noversion>])

OPTION(timeout,t,[<SECONDS>],
       [<set interval between sending TERM and KILL signals>])
BEGIN
  char *p;
  errno = 0;
  shutdown_timeout = strtoul (optarg, &p, 0);
  if (*p || errno)
    {
      logmsg (LOG_ERR, _("invalid number: %s"), optarg);
      exit (EX_USAGE);
    }
END

OPTION(environment,e,[<VAR=[VAL]>],[<change environment>])
BEGIN
  size_t len = strlen (optarg);
  if (envsize + len + 2 > sizeof(req->data))
    {
      logmsg (LOG_ERR, _("-e argument too long"));
      exit (EX_USAGE);
    }
  memcpy (req->data + envsize, optarg, len);
  envsize += len;
  req->data[envsize++] = 0;
END

OPTIONS_END

static void
telinit_parser (struct sysvinit_request *req, int argc, char *argv[])
{
  int i;
  char *cmds[] = { "-T", NULL };
  size_t envsize = 0;
  
  proginfo.subcmd = cmds;
  GETOPT(argc, argv, i);
  argc -= i;
  argv += i;
  if (envsize)
    {
      req->data[envsize++] = 0;
      req->cmd = INIT_CMD_SETENV;
      if (argc)
	{
	  logmsg (LOG_ERR, _("too many arguments"));
	  exit (EX_USAGE);
	}
    }
  else
    {
      if (argc != 1)
	{
	  logmsg (LOG_ERR, _("bad number of arguments"));
	  exit (EX_USAGE);
	}
      if (argv[0][1] || !is_valid_runlevel (argv[0][0]))
	{
	  logmsg (LOG_ERR, _("invalid runlevel: %s"), argv[0]);
	  exit (EX_USAGE);
	}
      req->cmd = INIT_CMD_RUNLVL;
      req->runlevel = argv[0][0];
      req->sleeptime = shutdown_timeout;
    }
}