/*****************************************************************************

    trigger-make.c
    John Simpson <jms1@jms1.net> 2007-08-19

    runs "make" as root in the "/service/tinydns/root" directory

******************************************************************************

    Copyright (C) 2007 John Simpson.

    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 or version 3 of the
    license, at your option.

    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 <stdio.h>
#include <unistd.h>

#define DIR  "/service/tinydns/root"
#define MAKE "/usr/bin/make"
#define PATH "/usr/bin:/bin:/usr/local/bin"

char *cmd[] = { MAKE , NULL } ;
char *env[] = { "PATH=" PATH , "SHELL=/bin/sh" ,  NULL } ;

int main ( int argc , char *argv[] )
{
	if ( setuid ( 0 ) )
	{
		perror ( "setuid" ) ;
		return 1 ;
	}

	if ( seteuid ( 0 ) )
	{
		perror ( "seteuid" ) ;
		return 1 ;
	}

	if ( chdir ( DIR ) )
	{
		perror ( "chdir" ) ;
		return 1 ;
	}

	execve ( cmd[0] , cmd , env ) ;
	perror ( "execve" ) ;
	return 1 ;
}