diff options
Diffstat (limited to 'src/daemon.cc')
-rw-r--r-- | src/daemon.cc | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/src/daemon.cc b/src/daemon.cc new file mode 100644 index 0000000..95cf0df --- /dev/null +++ b/src/daemon.cc @@ -0,0 +1,84 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/*************************************************************************** + * daemon.cc + * + * Thu Jun 9 10:27:59 CEST 2005 + * Copyright 2005 Bent Bisballe + * deva@aasimon.org + ****************************************************************************/ + +/* + * 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 "daemon.h" + +#include <sys/stat.h> +#include <unistd.h> +#include <fcntl.h> +#include <signal.h> +#include <stdio.h> + +Daemon::Daemon() +{} + +Daemon::~Daemon() +{} + +int Daemon::run(uid_t uid, gid_t gid) +{ + int f; + int fd; + + chdir("/"); + umask(0); + + f = fork(); + switch(f) { + case -1: // Fork error + fprintf(stderr, "fork() error!\n"); + return 1; + break; + + case 0: // Forked child + if(setgid(gid) != 0) { + fprintf(stderr, "Failed to change to gid %d, quitting.\n", gid); + return 1; + } + + if(setuid(uid) != 0) { + fprintf(stderr, "Failed to change to uid %d, quitting.\n", uid); + return 1; + } + + fd = open("/dev/null", O_NOCTTY | O_RDWR, 0666); + + dup2(0, fd); + dup2(1, fd); + dup2(2, fd); + + setsid(); + + signal (SIGTERM, SIG_IGN); + signal (SIGINT, SIG_IGN); + signal (SIGHUP, SIG_IGN); + + return daemon_main(); + + default: // Parent + // exit(0); + return 0; + } +} |