diff options
author | Parménides GV <parmegv@sdf.org> | 2014-04-08 11:38:09 +0200 |
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committer | Parménides GV <parmegv@sdf.org> | 2014-04-08 11:43:27 +0200 |
commit | 5fc5d37330d3535a0f421632694d1e7918fc22d7 (patch) | |
tree | 1aad0c286e58962c8895854907e530b9bc9bce5a /app/openvpn/src/compat/compat-daemon.c | |
parent | c206a91d320995f37f8abb33188bfd384249da3d (diff) |
Compiles correctly: app/build-native + gradle.
Diffstat (limited to 'app/openvpn/src/compat/compat-daemon.c')
-rw-r--r-- | app/openvpn/src/compat/compat-daemon.c | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/app/openvpn/src/compat/compat-daemon.c b/app/openvpn/src/compat/compat-daemon.c new file mode 100644 index 00000000..dde96a20 --- /dev/null +++ b/app/openvpn/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 + |