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718526e0e9
openvpn/syshead.h
james 5f31881ec1 New try at AUTO_USERID. 
Implemented AUTO_USERID using
MD5(MAC address(primary network adapter)).
Currently implemented for Linux and Windows.

Basically if ENABLE_AUTO_USERID is defined,
the --auth-user-pass option will not prompt
for username/password, but will rather generate
a unique username and blank password.


git-svn-id: http://svn.openvpn.net/projects/openvpn/branches/BETA21/openvpn@1459 e7ae566f-a301-0410-adde-c780ea21d3b5
2006-11-13 09:44:10 +00:00

528 lines
9.6 KiB
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/*
* 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) 2002-2005 OpenVPN Solutions LLC <info@openvpn.net>
*
* 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
*/
#ifndef SYSHEAD_H
#define SYSHEAD_H
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_WAIT_H
# include <sys/wait.h>
#endif
#ifndef WIN32
#ifndef WEXITSTATUS
# define WEXITSTATUS(stat_val) ((unsigned)(stat_val) >> 8)
#endif
#ifndef WIFEXITED
# define WIFEXITED(stat_val) (((stat_val) & 255) == 0)
#endif
#endif
#ifdef TIME_WITH_SYS_TIME
# include <sys/time.h>
# include <time.h>
#else
# ifdef HAVE_SYS_TIME_H
# include <sys/time.h>
# else
# include <time.h>
# endif
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#ifdef HAVE_SYS_IOCTL_H
#include <sys/ioctl.h>
#endif
#ifdef HAVE_SYS_STAT_H
#include <sys/stat.h>
#endif
#ifdef HAVE_FCNTL_H
#include <fcntl.h>
#endif
#ifdef HAVE_SYS_FILE_H
#include <sys/file.h>
#endif
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef HAVE_STDINT_H
#include <stdint.h>
#endif
#ifdef HAVE_STDARG_H
#include <stdarg.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_SIGNAL_H
#include <signal.h>
#endif
#ifdef HAVE_STDIO_H
#include <stdio.h>
#endif
#ifdef HAVE_CTYPE_H
#include <ctype.h>
#endif
#ifdef HAVE_ERRNO_H
#include <errno.h>
#endif
#ifdef HAVE_ERR_H
#include <err.h>
#endif
#ifdef HAVE_SYSLOG_H
#include <syslog.h>
#endif
#ifdef HAVE_PWD_H
#include <pwd.h>
#endif
#ifdef HAVE_GRP_H
#include <grp.h>
#endif
#ifdef USE_LIBDL
#include <dlfcn.h>
#endif
#ifdef HAVE_NETDB_H
#include <netdb.h>
#endif
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
#ifdef HAVE_SYS_POLL_H
#include <sys/poll.h>
#endif
#ifdef HAVE_SYS_EPOLL_H
#include <sys/epoll.h>
#endif
#ifdef TARGET_SOLARIS
#ifdef HAVE_STRINGS_H
#include <strings.h>
#endif
#else
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#endif
#ifdef HAVE_ARPA_INET_H
#include <arpa/inet.h>
#endif
#ifdef HAVE_NET_IF_H
#include <net/if.h>
#endif
#ifdef TARGET_LINUX
#if defined(HAVE_NETINET_IF_ETHER_H)
#include <netinet/if_ether.h>
#endif
#ifdef HAVE_LINUX_IF_TUN_H
#include <linux/if_tun.h>
#endif
#ifdef HAVE_NETINET_IP_H
#include <netinet/ip.h>
#endif
#ifdef HAVE_LINUX_SOCKIOS_H
#include <linux/sockios.h>
#endif
#ifdef HAVE_LINUX_TYPES_H
#include <linux/types.h>
#endif
#ifdef HAVE_LINUX_ERRQUEUE_H
#include <linux/errqueue.h>
#endif
#ifdef HAVE_NETINET_TCP_H
#include <netinet/tcp.h>
#endif
#endif /* TARGET_LINUX */
#ifdef TARGET_SOLARIS
#ifdef HAVE_STROPTS_H
#include <stropts.h>
#undef S_ERROR
#endif
#ifdef HAVE_NET_IF_TUN_H
#include <net/if_tun.h>
#endif
#ifdef HAVE_SYS_SOCKIO_H
#include <sys/sockio.h>
#endif
#ifdef HAVE_NETINET_IN_SYSTM_H
#include <netinet/in_systm.h>
#endif
#ifdef HAVE_NETINET_IP_H
#include <netinet/ip.h>
#endif
#ifdef HAVE_NETINET_TCP_H
#include <netinet/tcp.h>
#endif
#endif /* TARGET_SOLARIS */
#ifdef TARGET_OPENBSD
#ifdef HAVE_SYS_UIO_H
#include <sys/uio.h>
#endif
#ifdef HAVE_NETINET_IN_SYSTM_H
#include <netinet/in_systm.h>
#endif
#ifdef HAVE_NETINET_IP_H
#include <netinet/ip.h>
#endif
#ifdef HAVE_NET_IF_TUN_H
#include <net/if_tun.h>
#endif
#endif /* TARGET_OPENBSD */
#ifdef TARGET_FREEBSD
#ifdef HAVE_SYS_UIO_H
#include <sys/uio.h>
#endif
#ifdef HAVE_NETINET_IN_SYSTM_H
#include <netinet/in_systm.h>
#endif
#ifdef HAVE_NETINET_IP_H
#include <netinet/ip.h>
#endif
#ifdef HAVE_NET_IF_TUN_H
#include <net/if_tun.h>
#endif
#endif /* TARGET_FREEBSD */
#ifdef TARGET_NETBSD
#ifdef HAVE_NET_IF_TUN_H
#include <net/if_tun.h>
#endif
#ifdef HAVE_NETINET_TCP_H
#include <netinet/tcp.h>
#endif
#endif /* TARGET_NETBSD */
#ifdef WIN32
#include <iphlpapi.h>
#include <WinInet.h>
#endif
#ifdef HAVE_SYS_MMAN_H
#ifdef TARGET_DARWIN
#define _P1003_1B_VISIBLE
#endif /* TARGET_DARWIN */
#include <sys/mman.h>
#endif
/*
* Pedantic mode is meant to accomplish lint-style program checking,
* not to build a working executable.
*/
#ifdef __STRICT_ANSI__
# define PEDANTIC 1
# undef HAVE_CPP_VARARG_MACRO_GCC
# undef HAVE_CPP_VARARG_MACRO_ISO
# undef EMPTY_ARRAY_SIZE
# define EMPTY_ARRAY_SIZE 1
# undef inline
# define inline
#else
# define PEDANTIC 0
#endif
/*
* Do we have the capability to support the --passtos option?
*/
#if defined(IPPROTO_IP) && defined(IP_TOS) && defined(HAVE_SETSOCKOPT)
#define PASSTOS_CAPABILITY 1
#else
#define PASSTOS_CAPABILITY 0
#endif
/*
* Do we have the capability to report extended socket errors?
*/
#if defined(HAVE_LINUX_TYPES_H) && defined(HAVE_LINUX_ERRQUEUE_H) && defined(HAVE_SOCK_EXTENDED_ERR) && defined(HAVE_MSGHDR) && defined(HAVE_CMSGHDR) && defined(CMSG_FIRSTHDR) && defined(CMSG_NXTHDR) && defined(IP_RECVERR) && defined(MSG_ERRQUEUE) && defined(SOL_IP) && defined(HAVE_IOVEC)
#define EXTENDED_SOCKET_ERROR_CAPABILITY 1
#else
#define EXTENDED_SOCKET_ERROR_CAPABILITY 0
#endif
/*
* Does this platform support linux-style IP_PKTINFO?
*/
#if defined(ENABLE_MULTIHOME) && defined(HAVE_IN_PKTINFO) && defined(IP_PKTINFO) && defined(HAVE_MSGHDR) && defined(HAVE_CMSGHDR) && defined(HAVE_IOVEC) && defined(CMSG_FIRSTHDR) && defined(CMSG_NXTHDR) && defined(HAVE_RECVMSG) && defined(HAVE_SENDMSG)
#define ENABLE_IP_PKTINFO 1
#else
#define ENABLE_IP_PKTINFO 0
#endif
/*
* Disable ESEC
*/
#if 0
#undef EXTENDED_SOCKET_ERROR_CAPABILITY
#define EXTENDED_SOCKET_ERROR_CAPABILITY 0
#endif
/*
* Do we have a syslog capability?
*/
#if defined(HAVE_OPENLOG) && defined(HAVE_SYSLOG)
#define SYSLOG_CAPABILITY 1
#else
#define SYSLOG_CAPABILITY 0
#endif
/*
* Does this OS draw a distinction between binary and ascii files?
*/
#ifndef O_BINARY
#define O_BINARY 0
#endif
/*
* Directory separation char
*/
#ifdef WIN32
#define OS_SPECIFIC_DIRSEP '\\'
#else
#define OS_SPECIFIC_DIRSEP '/'
#endif
/*
* Define a boolean value based
* on Win32 status.
*/
#ifdef WIN32
#define WIN32_0_1 1
#else
#define WIN32_0_1 0
#endif
/*
* Our socket descriptor type.
*/
#ifdef WIN32
#define SOCKET_UNDEFINED (INVALID_SOCKET)
typedef SOCKET socket_descriptor_t;
#else
#define SOCKET_UNDEFINED (-1)
typedef int socket_descriptor_t;
#endif
static inline int
socket_defined (const socket_descriptor_t sd)
{
return sd != SOCKET_UNDEFINED;
}
/*
* Should statistics counters be 64 bits?
*/
#define USE_64_BIT_COUNTERS
/*
* Do we have point-to-multipoint capability?
*/
#if defined(ENABLE_CLIENT_SERVER) && defined(USE_CRYPTO) && defined(USE_SSL) && defined(HAVE_GETTIMEOFDAY)
#define P2MP 1
#else
#define P2MP 0
#endif
#if P2MP && !defined(ENABLE_CLIENT_ONLY)
#define P2MP_SERVER 1
#else
#define P2MP_SERVER 0
#endif
/*
* HTTPS port sharing capability
*/
#if defined(ENABLE_PORT_SHARE) && P2MP_SERVER && defined(SCM_RIGHTS) && defined(HAVE_MSGHDR) && defined(HAVE_CMSGHDR) && defined(HAVE_IOVEC) && defined(CMSG_FIRSTHDR) && defined(CMSG_NXTHDR) && defined(HAVE_RECVMSG) && defined(HAVE_SENDMSG)
#define PORT_SHARE 1
#else
#define PORT_SHARE 0
#endif
/*
* Do we have a plug-in capability?
*/
#if defined(USE_LIBDL) || defined(USE_LOAD_LIBRARY)
#define ENABLE_PLUGIN
#endif
/*
* Do we have pthread capability?
*/
#ifdef USE_PTHREAD
#if defined(USE_CRYPTO) && defined(USE_SSL) && P2MP
#include <pthread.h>
#else
#undef USE_PTHREAD
#endif
#endif
/*
* Pthread support is currently experimental (and quite unfinished).
*/
#if 1 /* JYFIXME -- if defined, disable pthread */
#undef USE_PTHREAD
#endif
/*
* Should we include OCC (options consistency check) code?
*/
#ifndef ENABLE_SMALL
#define ENABLE_OCC
#endif
/*
* Should we include NTLM proxy functionality
*/
#if defined(USE_CRYPTO) && defined(ENABLE_HTTP_PROXY)
#define NTLM 1
#else
#define NTLM 0
#endif
/*
* Should we include code common to all proxy methods?
*/
#if defined(ENABLE_HTTP_PROXY) || defined(ENABLE_SOCKS)
#define GENERAL_PROXY_SUPPORT
#endif
/*
* Do we have PKCS11 capability?
*/
#if defined(USE_PKCS11) && defined(USE_CRYPTO) && defined(USE_SSL)
#define ENABLE_PKCS11
#endif
/*
* Is poll available on this platform?
*/
#if defined(HAVE_POLL) && defined(HAVE_SYS_POLL_H)
#define POLL 1
#else
#define POLL 0
#endif
/*
* Is epoll available on this platform?
*/
#if defined(HAVE_EPOLL_CREATE) && defined(HAVE_SYS_EPOLL_H)
#define EPOLL 1
#else
#define EPOLL 0
#endif
/* Disable EPOLL */
#if 0
#undef EPOLL
#define EPOLL 0
#endif
/*
* Should we allow ca/cert/key files to be
* included inline, in the configuration file?
*/
#define ENABLE_INLINE_FILES 1
/*
* Reduce sensitivity to system clock instability
* and backtracks.
*/
#define TIME_BACKTRACK_PROTECTION 1
/*
* Is non-blocking connect() supported?
*/
#if defined(HAVE_GETSOCKOPT) && defined(SOL_SOCKET) && defined(SO_ERROR) && defined(EINPROGRESS) && defined(ETIMEDOUT)
#define CONNECT_NONBLOCK
#endif
/*
* Do we have the capability to support the AUTO_USERID feature?
*/
#if defined(ENABLE_AUTO_USERID)
#define AUTO_USERID 1
#else
#define AUTO_USERID 0
#endif
#endif
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