Init
/* $Id$ */
/* Copyright (c) 2008-2014 Pierre Pronchery <khorben@defora.org> */
/* This file is part of DeforaOS System Init */
/* 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, version 3 of the License.
*
* 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, see <http://www.gnu.org/licenses/>. */
#include <unistd.h>
#include <stdio.h>
#include "init.h"
#include "../config.h"
#ifndef PROGNAME
# define PROGNAME PACKAGE
#endif
/* hack to define the interface without colliding with the Init class */
/* FIXME see later if we really need it
#include "init.c" */
/* private */
static int _init(char const * profile);
static int _usage(void);
/* functions */
/* private */
/* init */
static int _init(char const * profile)
{
int ret = 0;
Init * init;
#ifdef DEBUG
fprintf(stderr, "DEBUG: %s(\"%s\")\n", __func__, profile);
#endif
if((init = init_new(profile)) == NULL)
return error_print(PACKAGE);
for(;;)
{
if(init_loop(init) != 0)
ret |= error_print(PACKAGE);
/* do not suck resources */
sleep(1);
}
init_delete(init);
return ret;
}
/* usage */
static int _usage(void)
{
fputs("Usage: " PROGNAME " [-P profile]\n"
" " PROGNAME " -s\n"
" -P Profile to load\n"
" -s Force the single-user profile\n", stderr);
return 1;
}
/* main */
int main(int argc, char * argv[])
{
int ret;
int o;
char const * profile = NULL;
char * shell[] = { "/bin/sh", NULL };
while((o = getopt(argc, argv, "P:s")) != -1)
switch(o)
{
case 'P':
profile = optarg;
break;
case 's':
profile = "single-user";
break;
default:
return _usage();
}
if((ret = _init(profile) != 0) && getpid() == 1)
{
fputs(PACKAGE ": Spawning a shell\n", stderr);
execve(shell[0], shell, NULL);
return 127;
}
return ret;
}