diff options
Diffstat (limited to 'src/compat')
-rw-r--r-- | src/compat/Makefile.am | 3 | ||||
-rw-r--r-- | src/compat/compat-daemon.c | 100 | ||||
-rw-r--r-- | src/compat/compat.h | 4 | ||||
-rw-r--r-- | src/compat/compat.vcproj | 4 |
4 files changed, 110 insertions, 1 deletions
diff --git a/src/compat/Makefile.am b/src/compat/Makefile.am index 5e9db5f..c8a92ce 100644 --- a/src/compat/Makefile.am +++ b/src/compat/Makefile.am @@ -21,4 +21,5 @@ libcompat_la_SOURCES = \ compat.h \ compat-dirname.c \ compat-basename.c \ - compat-gettimeofday.c + compat-gettimeofday.c \ + compat-daemon.c diff --git a/src/compat/compat-daemon.c b/src/compat/compat-daemon.c new file mode 100644 index 0000000..dde96a2 --- /dev/null +++ b/src/compat/compat-daemon.c @@ -0,0 +1,100 @@ +/* + * OpenVPN -- An application to securely tunnel IP networks + * over a single UDP port, with support for SSL/TLS-based + * session authentication and key exchange, + * packet encryption, packet authentication, and + * packet compression. + * + * Copyright (C) 2011 - David Sommerseth <davids@redhat.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation. + * + * 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 (see the file COPYING included with this + * distribution); if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#elif defined(_MSC_VER) +#include "config-msvc.h" +#endif + +#ifndef HAVE_DAEMON + +#ifdef HAVE_UNISTD_H +#include <unistd.h> +#endif + +#ifdef HAVE_STDLIB_H +#include <stdlib.h> +#endif + +#ifdef HAVE_SYS_TYPES_H +#include <sys/types.h> +#endif + +#ifdef HAVE_SYS_STAT_H +#include <sys/stat.h> +#endif + +#ifdef HAVE_FCNTL_H +#include <fcntl.h> +#endif + +#ifdef HAVE_ERRNO_H +#include <errno.h> +#endif + +int +daemon(int nochdir, int noclose) +{ +#if defined(HAVE_FORK) && defined(HAVE_SETSID) + switch (fork()) { + case -1: + return (-1); + case 0: + break; + default: + exit(0); + } + + if (setsid() == -1) + return (-1); + + if (!nochdir) + chdir("/"); + + if (!noclose) { +#if defined(HAVE_DUP) && defined(HAVE_DUP2) + int fd; + if ((fd = open ("/dev/null", O_RDWR, 0)) != -1) { + dup2 (fd, 0); + dup2 (fd, 1); + dup2 (fd, 2); + if (fd > 2) { + close (fd); + } + } +#endif + } + + return 0; +#else + (void)nochdir; + (void)noclose; + errno = EFAULT; + return -1; +#endif +} + +#endif + diff --git a/src/compat/compat.h b/src/compat/compat.h index 3f9ac31..e9d51b8 100644 --- a/src/compat/compat.h +++ b/src/compat/compat.h @@ -46,4 +46,8 @@ char * basename(char *str); int gettimeofday (struct timeval *tv, void *tz); #endif +#ifndef HAVE_DAEMON +int daemon(int nochdir, int noclose); +#endif + #endif /* COMPAT_H */ diff --git a/src/compat/compat.vcproj b/src/compat/compat.vcproj index 235163c..efdecb4 100644 --- a/src/compat/compat.vcproj +++ b/src/compat/compat.vcproj @@ -162,6 +162,10 @@ RelativePath=".\compat-gettimeofday.c" > </File> + <File + RelativePath=".\compat-daemon.c" + > + </File> </Filter> <Filter Name="Header Files" |