From 8dd0350e1607aa30f7a043c8d5ec7a7eeb874115 Mon Sep 17 00:00:00 2001 From: Alberto Gonzalez Iniesta Date: Mon, 5 Nov 2012 16:28:09 +0100 Subject: Imported Upstream version 2.3_rc1 --- src/openvpn/fdmisc.c | 78 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 78 insertions(+) create mode 100644 src/openvpn/fdmisc.c (limited to 'src/openvpn/fdmisc.c') diff --git a/src/openvpn/fdmisc.c b/src/openvpn/fdmisc.c new file mode 100644 index 0000000..7fe449c --- /dev/null +++ b/src/openvpn/fdmisc.c @@ -0,0 +1,78 @@ +/* + * 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) 2002-2010 OpenVPN Technologies, Inc. + * + * 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 + +#include "syshead.h" + +#include "fdmisc.h" +#include "error.h" + +#include "memdbg.h" + +/* Set a file descriptor to non-blocking */ +bool +set_nonblock_action (int fd) +{ +#ifdef WIN32 + u_long arg = 1; + if (ioctlsocket (fd, FIONBIO, &arg)) + return false; +#else + if (fcntl (fd, F_SETFL, O_NONBLOCK) < 0) + return false; +#endif + return true; +} + +/* Set a file descriptor to not be passed across execs */ +bool +set_cloexec_action (int fd) +{ +#ifndef WIN32 + if (fcntl (fd, F_SETFD, FD_CLOEXEC) < 0) + return false; +#endif + return true; +} + +/* Set a file descriptor to non-blocking */ +void +set_nonblock (int fd) +{ + if (!set_nonblock_action (fd)) + msg (M_ERR, "Set socket to non-blocking mode failed"); +} + +/* Set a file descriptor to not be passed across execs */ +void +set_cloexec (int fd) +{ + if (!set_cloexec_action (fd)) + msg (M_ERR, "Set FD_CLOEXEC flag on file descriptor failed"); +} -- cgit v1.2.3