2005-08-26 17:39:27 +00:00
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/*
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===========================================================================
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Copyright (C) 1999-2005 Id Software, Inc.
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This file is part of Quake III Arena source code.
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Quake III Arena source code is free software; you can redistribute it
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and/or modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the License,
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or (at your option) any later version.
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Quake III Arena source code is distributed in the hope that it will be
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useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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2005-10-29 01:53:09 +00:00
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along with Quake III Arena source code; if not, write to the Free Software
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2005-08-26 17:39:27 +00:00
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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===========================================================================
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*/
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2005-10-26 19:45:21 +00:00
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#include "../qcommon/q_shared.h"
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2005-08-26 17:39:27 +00:00
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#include "../qcommon/qcommon.h"
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2007-08-28 16:42:13 +00:00
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#ifdef _WIN32
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#include <winsock.h>
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typedef int socklen_t;
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#define EAGAIN WSAEWOULDBLOCK
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#define EADDRNOTAVAIL WSAEADDRNOTAVAIL
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#define EAFNOSUPPORT WSAEAFNOSUPPORT
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#define ECONNRESET WSAECONNRESET
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#define socketError WSAGetLastError( )
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2005-08-26 17:39:27 +00:00
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static WSADATA winsockdata;
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static qboolean winsockInitialized = qfalse;
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2007-08-28 16:42:13 +00:00
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#else
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#if MAC_OS_X_VERSION_MIN_REQUIRED == 1020
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// needed for socklen_t on OSX 10.2
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# define _BSD_SOCKLEN_T_
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#endif
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#include <arpa/inet.h>
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#include <errno.h>
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#include <netdb.h>
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#include <netinet/in.h>
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#include <sys/ioctl.h>
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#include <sys/socket.h>
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#include <sys/types.h>
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#include <unistd.h>
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#ifdef MACOS_X
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#include <sys/sockio.h>
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#include <net/if.h>
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#include <net/if_types.h>
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#include <net/if_dl.h> // for 'struct sockaddr_dl'
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#endif
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#ifdef __sun
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#include <sys/filio.h>
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#endif
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typedef int SOCKET;
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#define INVALID_SOCKET -1
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#define SOCKET_ERROR -1
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#define closesocket close
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#define ioctlsocket ioctl
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#define socketError errno
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#endif
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2005-08-26 17:39:27 +00:00
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static qboolean usingSocks = qfalse;
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static qboolean networkingEnabled = qfalse;
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static cvar_t *net_noudp;
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static cvar_t *net_socksEnabled;
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static cvar_t *net_socksServer;
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static cvar_t *net_socksPort;
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static cvar_t *net_socksUsername;
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static cvar_t *net_socksPassword;
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static struct sockaddr socksRelayAddr;
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static SOCKET ip_socket;
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static SOCKET socks_socket;
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#define MAX_IPS 16
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static int numIP;
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static byte localIP[MAX_IPS][4];
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//=============================================================================
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/*
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====================
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NET_ErrorString
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====================
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*/
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char *NET_ErrorString( void ) {
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2007-08-28 16:42:13 +00:00
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#ifdef _WIN32
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//FIXME: replace with FormatMessage?
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switch( socketError ) {
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case WSAEINTR: return "WSAEINTR";
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case WSAEBADF: return "WSAEBADF";
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case WSAEACCES: return "WSAEACCES";
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case WSAEDISCON: return "WSAEDISCON";
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case WSAEFAULT: return "WSAEFAULT";
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case WSAEINVAL: return "WSAEINVAL";
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case WSAEMFILE: return "WSAEMFILE";
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case WSAEWOULDBLOCK: return "WSAEWOULDBLOCK";
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case WSAEINPROGRESS: return "WSAEINPROGRESS";
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case WSAEALREADY: return "WSAEALREADY";
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case WSAENOTSOCK: return "WSAENOTSOCK";
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case WSAEDESTADDRREQ: return "WSAEDESTADDRREQ";
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case WSAEMSGSIZE: return "WSAEMSGSIZE";
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case WSAEPROTOTYPE: return "WSAEPROTOTYPE";
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case WSAENOPROTOOPT: return "WSAENOPROTOOPT";
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case WSAEPROTONOSUPPORT: return "WSAEPROTONOSUPPORT";
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case WSAESOCKTNOSUPPORT: return "WSAESOCKTNOSUPPORT";
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case WSAEOPNOTSUPP: return "WSAEOPNOTSUPP";
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case WSAEPFNOSUPPORT: return "WSAEPFNOSUPPORT";
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case WSAEAFNOSUPPORT: return "WSAEAFNOSUPPORT";
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case WSAEADDRINUSE: return "WSAEADDRINUSE";
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case WSAEADDRNOTAVAIL: return "WSAEADDRNOTAVAIL";
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case WSAENETDOWN: return "WSAENETDOWN";
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case WSAENETUNREACH: return "WSAENETUNREACH";
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case WSAENETRESET: return "WSAENETRESET";
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case WSAECONNABORTED: return "WSWSAECONNABORTEDAEINTR";
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case WSAECONNRESET: return "WSAECONNRESET";
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case WSAENOBUFS: return "WSAENOBUFS";
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case WSAEISCONN: return "WSAEISCONN";
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case WSAENOTCONN: return "WSAENOTCONN";
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case WSAESHUTDOWN: return "WSAESHUTDOWN";
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case WSAETOOMANYREFS: return "WSAETOOMANYREFS";
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case WSAETIMEDOUT: return "WSAETIMEDOUT";
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case WSAECONNREFUSED: return "WSAECONNREFUSED";
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case WSAELOOP: return "WSAELOOP";
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case WSAENAMETOOLONG: return "WSAENAMETOOLONG";
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case WSAEHOSTDOWN: return "WSAEHOSTDOWN";
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case WSASYSNOTREADY: return "WSASYSNOTREADY";
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case WSAVERNOTSUPPORTED: return "WSAVERNOTSUPPORTED";
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case WSANOTINITIALISED: return "WSANOTINITIALISED";
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case WSAHOST_NOT_FOUND: return "WSAHOST_NOT_FOUND";
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case WSATRY_AGAIN: return "WSATRY_AGAIN";
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case WSANO_RECOVERY: return "WSANO_RECOVERY";
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case WSANO_DATA: return "WSANO_DATA";
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default: return "NO ERROR";
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}
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#else
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return strerror (errno);
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#endif
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2005-08-26 17:39:27 +00:00
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}
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2007-08-28 16:42:13 +00:00
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static void NetadrToSockadr( netadr_t *a, struct sockaddr *s ) {
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2005-08-26 17:39:27 +00:00
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memset( s, 0, sizeof(*s) );
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if( a->type == NA_BROADCAST ) {
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((struct sockaddr_in *)s)->sin_family = AF_INET;
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((struct sockaddr_in *)s)->sin_port = a->port;
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((struct sockaddr_in *)s)->sin_addr.s_addr = INADDR_BROADCAST;
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}
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else if( a->type == NA_IP ) {
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((struct sockaddr_in *)s)->sin_family = AF_INET;
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((struct sockaddr_in *)s)->sin_addr.s_addr = *(int *)&a->ip;
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((struct sockaddr_in *)s)->sin_port = a->port;
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}
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}
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2007-08-28 16:42:13 +00:00
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static void SockadrToNetadr( struct sockaddr *s, netadr_t *a ) {
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2005-08-26 17:39:27 +00:00
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if (s->sa_family == AF_INET) {
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a->type = NA_IP;
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*(int *)&a->ip = ((struct sockaddr_in *)s)->sin_addr.s_addr;
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a->port = ((struct sockaddr_in *)s)->sin_port;
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}
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}
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/*
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=============
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2007-08-28 16:42:13 +00:00
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Sys_StringToSockaddr
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2005-08-26 17:39:27 +00:00
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=============
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*/
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2007-08-28 16:42:13 +00:00
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static qboolean Sys_StringToSockaddr( const char *s, struct sockaddr *sadr ) {
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2005-08-26 17:39:27 +00:00
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struct hostent *h;
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memset( sadr, 0, sizeof( *sadr ) );
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2007-08-28 16:42:13 +00:00
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((struct sockaddr_in *)sadr)->sin_family = AF_INET;
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((struct sockaddr_in *)sadr)->sin_port = 0;
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if( s[0] >= '0' && s[0] <= '9' ) {
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*(int *)&((struct sockaddr_in *)sadr)->sin_addr = inet_addr(s);
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} else {
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if( ( h = gethostbyname( s ) ) == 0 ) {
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return 0;
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2005-08-26 17:39:27 +00:00
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}
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2007-08-28 16:42:13 +00:00
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*(int *)&((struct sockaddr_in *)sadr)->sin_addr = *(int *)h->h_addr_list[0];
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2005-08-26 17:39:27 +00:00
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}
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return qtrue;
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}
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/*
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=============
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Sys_StringToAdr
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=============
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*/
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qboolean Sys_StringToAdr( const char *s, netadr_t *a ) {
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struct sockaddr sadr;
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if ( !Sys_StringToSockaddr( s, &sadr ) ) {
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return qfalse;
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}
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SockadrToNetadr( &sadr, a );
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return qtrue;
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}
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//=============================================================================
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/*
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==================
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Sys_GetPacket
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Never called by the game logic, just the system event queing
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==================
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*/
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2007-08-28 16:42:13 +00:00
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#ifdef _DEBUG
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2005-08-26 17:39:27 +00:00
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int recvfromCount;
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2007-08-28 16:42:13 +00:00
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#endif
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2005-08-26 17:39:27 +00:00
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qboolean Sys_GetPacket( netadr_t *net_from, msg_t *net_message ) {
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int ret;
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struct sockaddr from;
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2007-08-28 16:42:13 +00:00
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socklen_t fromlen;
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2005-08-26 17:39:27 +00:00
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int err;
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2007-08-28 16:42:13 +00:00
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if( !ip_socket ) {
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return qfalse;
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}
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2005-08-26 17:39:27 +00:00
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2007-08-28 16:42:13 +00:00
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fromlen = sizeof(from);
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#ifdef _DEBUG
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recvfromCount++; // performance check
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#endif
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ret = recvfrom( ip_socket, net_message->data, net_message->maxsize, 0, (struct sockaddr *)&from, &fromlen );
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if (ret == SOCKET_ERROR)
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{
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err = socketError;
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2005-08-26 17:39:27 +00:00
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2007-08-28 16:42:13 +00:00
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if( err == EAGAIN || err == ECONNRESET ) {
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return qfalse;
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2005-08-26 17:39:27 +00:00
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}
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2007-08-28 16:42:13 +00:00
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Com_Printf( "NET_GetPacket: %s\n", NET_ErrorString() );
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return qfalse;
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}
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2005-08-26 17:39:27 +00:00
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2007-08-28 16:42:13 +00:00
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memset( ((struct sockaddr_in *)&from)->sin_zero, 0, 8 );
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2005-08-26 17:39:27 +00:00
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2007-08-28 16:42:13 +00:00
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if ( usingSocks && memcmp( &from, &socksRelayAddr, fromlen ) == 0 ) {
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if ( ret < 10 || net_message->data[0] != 0 || net_message->data[1] != 0 || net_message->data[2] != 0 || net_message->data[3] != 1 ) {
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return qfalse;
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2005-08-26 17:39:27 +00:00
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}
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2007-08-28 16:42:13 +00:00
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net_from->type = NA_IP;
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net_from->ip[0] = net_message->data[4];
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net_from->ip[1] = net_message->data[5];
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net_from->ip[2] = net_message->data[6];
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net_from->ip[3] = net_message->data[7];
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net_from->port = *(short *)&net_message->data[8];
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net_message->readcount = 10;
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}
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else {
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SockadrToNetadr( &from, net_from );
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net_message->readcount = 0;
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}
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2005-08-26 17:39:27 +00:00
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2007-08-28 16:42:13 +00:00
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if( ret == net_message->maxsize ) {
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Com_Printf( "Oversize packet from %s\n", NET_AdrToString (*net_from) );
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return qfalse;
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2005-08-26 17:39:27 +00:00
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}
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2007-08-28 16:42:13 +00:00
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net_message->cursize = ret;
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return qtrue;
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2005-08-26 17:39:27 +00:00
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}
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//=============================================================================
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static char socksBuf[4096];
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/*
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==================
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Sys_SendPacket
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==================
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*/
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void Sys_SendPacket( int length, const void *data, netadr_t to ) {
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int ret;
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struct sockaddr addr;
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2007-08-28 16:42:13 +00:00
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if( to.type != NA_BROADCAST && to.type != NA_IP ) {
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2005-08-26 17:39:27 +00:00
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Com_Error( ERR_FATAL, "Sys_SendPacket: bad address type" );
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return;
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}
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2007-08-28 16:42:13 +00:00
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if( !ip_socket ) {
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2005-08-26 17:39:27 +00:00
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return;
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}
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NetadrToSockadr( &to, &addr );
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if( usingSocks && to.type == NA_IP ) {
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socksBuf[0] = 0; // reserved
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socksBuf[1] = 0;
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socksBuf[2] = 0; // fragment (not fragmented)
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socksBuf[3] = 1; // address type: IPV4
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*(int *)&socksBuf[4] = ((struct sockaddr_in *)&addr)->sin_addr.s_addr;
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*(short *)&socksBuf[8] = ((struct sockaddr_in *)&addr)->sin_port;
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memcpy( &socksBuf[10], data, length );
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2007-08-28 16:42:13 +00:00
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ret = sendto( ip_socket, socksBuf, length+10, 0, &socksRelayAddr, sizeof(socksRelayAddr) );
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2005-08-26 17:39:27 +00:00
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}
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else {
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2007-08-28 16:42:13 +00:00
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ret = sendto( ip_socket, data, length, 0, &addr, sizeof(addr) );
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2005-08-26 17:39:27 +00:00
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|
}
|
|
|
|
if( ret == SOCKET_ERROR ) {
|
2007-08-28 16:42:13 +00:00
|
|
|
int err = socketError;
|
2005-08-26 17:39:27 +00:00
|
|
|
|
|
|
|
// wouldblock is silent
|
2007-08-28 16:42:13 +00:00
|
|
|
if( err == EAGAIN ) {
|
2005-08-26 17:39:27 +00:00
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
// some PPP links do not allow broadcasts and return an error
|
2007-08-28 16:42:13 +00:00
|
|
|
if( ( err == EADDRNOTAVAIL ) && ( ( to.type == NA_BROADCAST ) ) ) {
|
2005-08-26 17:39:27 +00:00
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
Com_Printf( "NET_SendPacket: %s\n", NET_ErrorString() );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
//=============================================================================
|
|
|
|
|
|
|
|
/*
|
|
|
|
==================
|
|
|
|
Sys_IsLANAddress
|
|
|
|
|
|
|
|
LAN clients will have their rate var ignored
|
|
|
|
==================
|
|
|
|
*/
|
|
|
|
qboolean Sys_IsLANAddress( netadr_t adr ) {
|
|
|
|
int i;
|
|
|
|
|
|
|
|
if( adr.type == NA_LOOPBACK ) {
|
|
|
|
return qtrue;
|
|
|
|
}
|
|
|
|
|
|
|
|
if( adr.type != NA_IP ) {
|
|
|
|
return qfalse;
|
|
|
|
}
|
|
|
|
|
2007-08-28 16:42:13 +00:00
|
|
|
// RFC1918:
|
|
|
|
// 10.0.0.0 - 10.255.255.255 (10/8 prefix)
|
|
|
|
// 172.16.0.0 - 172.31.255.255 (172.16/12 prefix)
|
|
|
|
// 192.168.0.0 - 192.168.255.255 (192.168/16 prefix)
|
|
|
|
if(adr.ip[0] == 10)
|
|
|
|
return qtrue;
|
|
|
|
if(adr.ip[0] == 172 && (adr.ip[1]&0xf0) == 16)
|
|
|
|
return qtrue;
|
|
|
|
if(adr.ip[0] == 192 && adr.ip[1] == 168)
|
|
|
|
return qtrue;
|
|
|
|
|
2005-08-26 17:39:27 +00:00
|
|
|
// choose which comparison to use based on the class of the address being tested
|
|
|
|
// any local adresses of a different class than the address being tested will fail based on the first byte
|
2007-08-28 16:42:13 +00:00
|
|
|
// FIXME tma 28/08/07 Try and make this work for arbitrary subnet masks somehow
|
2005-08-26 17:39:27 +00:00
|
|
|
|
|
|
|
if( adr.ip[0] == 127 && adr.ip[1] == 0 && adr.ip[2] == 0 && adr.ip[3] == 1 ) {
|
|
|
|
return qtrue;
|
|
|
|
}
|
|
|
|
|
|
|
|
// Class A
|
|
|
|
if( (adr.ip[0] & 0x80) == 0x00 ) {
|
|
|
|
for ( i = 0 ; i < numIP ; i++ ) {
|
|
|
|
if( adr.ip[0] == localIP[i][0] ) {
|
|
|
|
return qtrue;
|
|
|
|
}
|
|
|
|
}
|
2007-08-28 16:42:13 +00:00
|
|
|
|
2005-08-26 17:39:27 +00:00
|
|
|
return qfalse;
|
|
|
|
}
|
|
|
|
|
|
|
|
// Class B
|
|
|
|
if( (adr.ip[0] & 0xc0) == 0x80 ) {
|
|
|
|
for ( i = 0 ; i < numIP ; i++ ) {
|
|
|
|
if( adr.ip[0] == localIP[i][0] && adr.ip[1] == localIP[i][1] ) {
|
|
|
|
return qtrue;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return qfalse;
|
|
|
|
}
|
|
|
|
|
|
|
|
// Class C
|
|
|
|
for ( i = 0 ; i < numIP ; i++ ) {
|
|
|
|
if( adr.ip[0] == localIP[i][0] && adr.ip[1] == localIP[i][1] && adr.ip[2] == localIP[i][2] ) {
|
|
|
|
return qtrue;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return qfalse;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
==================
|
|
|
|
Sys_ShowIP
|
|
|
|
==================
|
|
|
|
*/
|
|
|
|
void Sys_ShowIP(void) {
|
|
|
|
int i;
|
|
|
|
|
|
|
|
for (i = 0; i < numIP; i++) {
|
|
|
|
Com_Printf( "IP: %i.%i.%i.%i\n", localIP[i][0], localIP[i][1], localIP[i][2], localIP[i][3] );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
//=============================================================================
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
====================
|
|
|
|
NET_IPSocket
|
|
|
|
====================
|
|
|
|
*/
|
|
|
|
int NET_IPSocket( char *net_interface, int port ) {
|
|
|
|
SOCKET newsocket;
|
|
|
|
struct sockaddr_in address;
|
|
|
|
qboolean _true = qtrue;
|
|
|
|
int i = 1;
|
|
|
|
int err;
|
|
|
|
|
|
|
|
if( net_interface ) {
|
|
|
|
Com_Printf( "Opening IP socket: %s:%i\n", net_interface, port );
|
|
|
|
}
|
|
|
|
else {
|
|
|
|
Com_Printf( "Opening IP socket: localhost:%i\n", port );
|
|
|
|
}
|
|
|
|
|
|
|
|
if( ( newsocket = socket( AF_INET, SOCK_DGRAM, IPPROTO_UDP ) ) == INVALID_SOCKET ) {
|
2007-08-28 16:42:13 +00:00
|
|
|
err = socketError;
|
|
|
|
if( err != EAFNOSUPPORT ) {
|
2005-08-26 17:39:27 +00:00
|
|
|
Com_Printf( "WARNING: UDP_OpenSocket: socket: %s\n", NET_ErrorString() );
|
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
// make it non-blocking
|
2005-09-22 03:21:33 +00:00
|
|
|
if( ioctlsocket( newsocket, FIONBIO, (u_long *)&_true ) == SOCKET_ERROR ) {
|
2005-08-26 17:39:27 +00:00
|
|
|
Com_Printf( "WARNING: UDP_OpenSocket: ioctl FIONBIO: %s\n", NET_ErrorString() );
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
// make it broadcast capable
|
|
|
|
if( setsockopt( newsocket, SOL_SOCKET, SO_BROADCAST, (char *)&i, sizeof(i) ) == SOCKET_ERROR ) {
|
|
|
|
Com_Printf( "WARNING: UDP_OpenSocket: setsockopt SO_BROADCAST: %s\n", NET_ErrorString() );
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
if( !net_interface || !net_interface[0] || !Q_stricmp(net_interface, "localhost") ) {
|
|
|
|
address.sin_addr.s_addr = INADDR_ANY;
|
|
|
|
}
|
|
|
|
else {
|
|
|
|
Sys_StringToSockaddr( net_interface, (struct sockaddr *)&address );
|
|
|
|
}
|
|
|
|
|
|
|
|
if( port == PORT_ANY ) {
|
|
|
|
address.sin_port = 0;
|
|
|
|
}
|
|
|
|
else {
|
|
|
|
address.sin_port = htons( (short)port );
|
|
|
|
}
|
|
|
|
|
|
|
|
address.sin_family = AF_INET;
|
|
|
|
|
|
|
|
if( bind( newsocket, (void *)&address, sizeof(address) ) == SOCKET_ERROR ) {
|
|
|
|
Com_Printf( "WARNING: UDP_OpenSocket: bind: %s\n", NET_ErrorString() );
|
|
|
|
closesocket( newsocket );
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
return newsocket;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
====================
|
|
|
|
NET_OpenSocks
|
|
|
|
====================
|
|
|
|
*/
|
|
|
|
void NET_OpenSocks( int port ) {
|
|
|
|
struct sockaddr_in address;
|
|
|
|
int err;
|
|
|
|
struct hostent *h;
|
|
|
|
int len;
|
|
|
|
qboolean rfc1929;
|
|
|
|
unsigned char buf[64];
|
|
|
|
|
|
|
|
usingSocks = qfalse;
|
|
|
|
|
|
|
|
Com_Printf( "Opening connection to SOCKS server.\n" );
|
|
|
|
|
|
|
|
if ( ( socks_socket = socket( AF_INET, SOCK_STREAM, IPPROTO_TCP ) ) == INVALID_SOCKET ) {
|
2007-08-28 16:42:13 +00:00
|
|
|
err = socketError;
|
2005-08-26 17:39:27 +00:00
|
|
|
Com_Printf( "WARNING: NET_OpenSocks: socket: %s\n", NET_ErrorString() );
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
h = gethostbyname( net_socksServer->string );
|
|
|
|
if ( h == NULL ) {
|
2007-08-28 16:42:13 +00:00
|
|
|
err = socketError;
|
2005-08-26 17:39:27 +00:00
|
|
|
Com_Printf( "WARNING: NET_OpenSocks: gethostbyname: %s\n", NET_ErrorString() );
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
if ( h->h_addrtype != AF_INET ) {
|
|
|
|
Com_Printf( "WARNING: NET_OpenSocks: gethostbyname: address type was not AF_INET\n" );
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
address.sin_family = AF_INET;
|
|
|
|
address.sin_addr.s_addr = *(int *)h->h_addr_list[0];
|
|
|
|
address.sin_port = htons( (short)net_socksPort->integer );
|
|
|
|
|
|
|
|
if ( connect( socks_socket, (struct sockaddr *)&address, sizeof( address ) ) == SOCKET_ERROR ) {
|
2007-08-28 16:42:13 +00:00
|
|
|
err = socketError;
|
2005-08-26 17:39:27 +00:00
|
|
|
Com_Printf( "NET_OpenSocks: connect: %s\n", NET_ErrorString() );
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
// send socks authentication handshake
|
|
|
|
if ( *net_socksUsername->string || *net_socksPassword->string ) {
|
|
|
|
rfc1929 = qtrue;
|
|
|
|
}
|
|
|
|
else {
|
|
|
|
rfc1929 = qfalse;
|
|
|
|
}
|
|
|
|
|
|
|
|
buf[0] = 5; // SOCKS version
|
|
|
|
// method count
|
|
|
|
if ( rfc1929 ) {
|
|
|
|
buf[1] = 2;
|
|
|
|
len = 4;
|
|
|
|
}
|
|
|
|
else {
|
|
|
|
buf[1] = 1;
|
|
|
|
len = 3;
|
|
|
|
}
|
|
|
|
buf[2] = 0; // method #1 - method id #00: no authentication
|
|
|
|
if ( rfc1929 ) {
|
|
|
|
buf[2] = 2; // method #2 - method id #02: username/password
|
|
|
|
}
|
|
|
|
if ( send( socks_socket, buf, len, 0 ) == SOCKET_ERROR ) {
|
2007-08-28 16:42:13 +00:00
|
|
|
err = socketError;
|
2005-08-26 17:39:27 +00:00
|
|
|
Com_Printf( "NET_OpenSocks: send: %s\n", NET_ErrorString() );
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
// get the response
|
|
|
|
len = recv( socks_socket, buf, 64, 0 );
|
|
|
|
if ( len == SOCKET_ERROR ) {
|
2007-08-28 16:42:13 +00:00
|
|
|
err = socketError;
|
2005-08-26 17:39:27 +00:00
|
|
|
Com_Printf( "NET_OpenSocks: recv: %s\n", NET_ErrorString() );
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
if ( len != 2 || buf[0] != 5 ) {
|
|
|
|
Com_Printf( "NET_OpenSocks: bad response\n" );
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
switch( buf[1] ) {
|
|
|
|
case 0: // no authentication
|
|
|
|
break;
|
|
|
|
case 2: // username/password authentication
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
Com_Printf( "NET_OpenSocks: request denied\n" );
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
// do username/password authentication if needed
|
|
|
|
if ( buf[1] == 2 ) {
|
|
|
|
int ulen;
|
|
|
|
int plen;
|
|
|
|
|
|
|
|
// build the request
|
|
|
|
ulen = strlen( net_socksUsername->string );
|
|
|
|
plen = strlen( net_socksPassword->string );
|
|
|
|
|
|
|
|
buf[0] = 1; // username/password authentication version
|
|
|
|
buf[1] = ulen;
|
|
|
|
if ( ulen ) {
|
|
|
|
memcpy( &buf[2], net_socksUsername->string, ulen );
|
|
|
|
}
|
|
|
|
buf[2 + ulen] = plen;
|
|
|
|
if ( plen ) {
|
|
|
|
memcpy( &buf[3 + ulen], net_socksPassword->string, plen );
|
|
|
|
}
|
|
|
|
|
|
|
|
// send it
|
|
|
|
if ( send( socks_socket, buf, 3 + ulen + plen, 0 ) == SOCKET_ERROR ) {
|
2007-08-28 16:42:13 +00:00
|
|
|
err = socketError;
|
2005-08-26 17:39:27 +00:00
|
|
|
Com_Printf( "NET_OpenSocks: send: %s\n", NET_ErrorString() );
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
// get the response
|
|
|
|
len = recv( socks_socket, buf, 64, 0 );
|
|
|
|
if ( len == SOCKET_ERROR ) {
|
2007-08-28 16:42:13 +00:00
|
|
|
err = socketError;
|
2005-08-26 17:39:27 +00:00
|
|
|
Com_Printf( "NET_OpenSocks: recv: %s\n", NET_ErrorString() );
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
if ( len != 2 || buf[0] != 1 ) {
|
|
|
|
Com_Printf( "NET_OpenSocks: bad response\n" );
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
if ( buf[1] != 0 ) {
|
|
|
|
Com_Printf( "NET_OpenSocks: authentication failed\n" );
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
// send the UDP associate request
|
|
|
|
buf[0] = 5; // SOCKS version
|
|
|
|
buf[1] = 3; // command: UDP associate
|
|
|
|
buf[2] = 0; // reserved
|
|
|
|
buf[3] = 1; // address type: IPV4
|
|
|
|
*(int *)&buf[4] = INADDR_ANY;
|
|
|
|
*(short *)&buf[8] = htons( (short)port ); // port
|
|
|
|
if ( send( socks_socket, buf, 10, 0 ) == SOCKET_ERROR ) {
|
2007-08-28 16:42:13 +00:00
|
|
|
err = socketError;
|
2005-08-26 17:39:27 +00:00
|
|
|
Com_Printf( "NET_OpenSocks: send: %s\n", NET_ErrorString() );
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
// get the response
|
|
|
|
len = recv( socks_socket, buf, 64, 0 );
|
|
|
|
if( len == SOCKET_ERROR ) {
|
2007-08-28 16:42:13 +00:00
|
|
|
err = socketError;
|
2005-08-26 17:39:27 +00:00
|
|
|
Com_Printf( "NET_OpenSocks: recv: %s\n", NET_ErrorString() );
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
if( len < 2 || buf[0] != 5 ) {
|
|
|
|
Com_Printf( "NET_OpenSocks: bad response\n" );
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
// check completion code
|
|
|
|
if( buf[1] != 0 ) {
|
|
|
|
Com_Printf( "NET_OpenSocks: request denied: %i\n", buf[1] );
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
if( buf[3] != 1 ) {
|
|
|
|
Com_Printf( "NET_OpenSocks: relay address is not IPV4: %i\n", buf[3] );
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
((struct sockaddr_in *)&socksRelayAddr)->sin_family = AF_INET;
|
|
|
|
((struct sockaddr_in *)&socksRelayAddr)->sin_addr.s_addr = *(int *)&buf[4];
|
|
|
|
((struct sockaddr_in *)&socksRelayAddr)->sin_port = *(short *)&buf[8];
|
|
|
|
memset( ((struct sockaddr_in *)&socksRelayAddr)->sin_zero, 0, 8 );
|
|
|
|
|
|
|
|
usingSocks = qtrue;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
=====================
|
|
|
|
NET_GetLocalAddress
|
|
|
|
=====================
|
|
|
|
*/
|
2007-08-28 16:42:13 +00:00
|
|
|
#ifdef MACOS_X
|
|
|
|
// Don't do a forward mapping from the hostname of the machine to the IP.
|
|
|
|
// The reason is that we might have obtained an IP address from DHCP and
|
|
|
|
// there might not be any name registered for the machine. On Mac OS X,
|
|
|
|
// the machine name defaults to 'localhost' and NetInfo has 127.0.0.1
|
|
|
|
// listed for this name. Instead, we want to get a list of all the IP
|
|
|
|
// network interfaces on the machine. This code adapted from
|
|
|
|
// OmniNetworking.
|
|
|
|
|
|
|
|
#ifdef _SIZEOF_ADDR_IFREQ
|
|
|
|
// tjw: OSX 10.4 does not have sa_len
|
|
|
|
#define IFR_NEXT(ifr) \
|
|
|
|
((struct ifreq *) ((char *) ifr + _SIZEOF_ADDR_IFREQ(*ifr)))
|
|
|
|
#else
|
|
|
|
// tjw: assume that once upon a time some version did have sa_len
|
|
|
|
#define IFR_NEXT(ifr) \
|
|
|
|
((struct ifreq *) ((char *) (ifr) + sizeof(*(ifr)) + \
|
|
|
|
MAX(0, (int) (ifr)->ifr_addr.sa_len - (int) sizeof((ifr)->ifr_addr))))
|
|
|
|
#endif
|
|
|
|
|
|
|
|
void NET_GetLocalAddress( void ) {
|
|
|
|
struct ifreq requestBuffer[MAX_IPS], *linkInterface, *inetInterface;
|
|
|
|
struct ifconf ifc;
|
|
|
|
struct ifreq ifr;
|
|
|
|
struct sockaddr_dl *sdl;
|
|
|
|
int interfaceSocket;
|
|
|
|
int family;
|
|
|
|
|
|
|
|
// Set this early so we can just return if there is an error
|
|
|
|
numIP = 0;
|
|
|
|
|
|
|
|
ifc.ifc_len = sizeof(requestBuffer);
|
|
|
|
ifc.ifc_buf = (caddr_t)requestBuffer;
|
|
|
|
|
|
|
|
// Since we get at this info via an ioctl, we need a temporary little socket.
|
|
|
|
// This will only get AF_INET interfaces, but we probably don't care about
|
|
|
|
// anything else. If we do end up caring later, we should add a
|
|
|
|
// ONAddressFamily and at a -interfaces method to it.
|
|
|
|
family = AF_INET;
|
|
|
|
if ((interfaceSocket = socket(family, SOCK_DGRAM, 0)) < 0) {
|
|
|
|
Com_Printf("NET_GetLocalAddress: Unable to create temporary socket, errno = %d\n", errno);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (ioctl(interfaceSocket, SIOCGIFCONF, &ifc) != 0) {
|
|
|
|
Com_Printf("NET_GetLocalAddress: Unable to get list of network interfaces, errno = %d\n", errno);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
linkInterface = (struct ifreq *) ifc.ifc_buf;
|
|
|
|
while ((char *) linkInterface < &ifc.ifc_buf[ifc.ifc_len]) {
|
|
|
|
unsigned int nameLength;
|
|
|
|
|
|
|
|
// The ioctl returns both the entries having the address (AF_INET)
|
|
|
|
// and the link layer entries (AF_LINK). The AF_LINK entry has the
|
|
|
|
// link layer address which contains the interface type. This is the
|
|
|
|
// only way I can see to get this information. We cannot assume that
|
|
|
|
// we will get bot an AF_LINK and AF_INET entry since the interface
|
|
|
|
// may not be configured. For example, if you have a 10Mb port on
|
|
|
|
// the motherboard and a 100Mb card, you may not configure the
|
|
|
|
// motherboard port.
|
|
|
|
|
|
|
|
// For each AF_LINK entry...
|
|
|
|
if (linkInterface->ifr_addr.sa_family == AF_LINK) {
|
|
|
|
// if there is a matching AF_INET entry
|
|
|
|
inetInterface = (struct ifreq *) ifc.ifc_buf;
|
|
|
|
while ((char *) inetInterface < &ifc.ifc_buf[ifc.ifc_len]) {
|
|
|
|
if (inetInterface->ifr_addr.sa_family == AF_INET &&
|
|
|
|
!strncmp(inetInterface->ifr_name, linkInterface->ifr_name,
|
|
|
|
sizeof(linkInterface->ifr_name))) {
|
|
|
|
|
|
|
|
for (nameLength = 0; nameLength < IFNAMSIZ; nameLength++)
|
|
|
|
if (!linkInterface->ifr_name[nameLength])
|
|
|
|
break;
|
|
|
|
|
|
|
|
sdl = (struct sockaddr_dl *)&linkInterface->ifr_addr;
|
|
|
|
// Skip loopback interfaces
|
|
|
|
if (sdl->sdl_type != IFT_LOOP) {
|
|
|
|
// Get the local interface address
|
|
|
|
strncpy(ifr.ifr_name, inetInterface->ifr_name, sizeof(ifr.ifr_name));
|
|
|
|
if (ioctl(interfaceSocket, OSIOCGIFADDR, (caddr_t)&ifr) < 0) {
|
|
|
|
Com_Printf("NET_GetLocalAddress: Unable to get local address "
|
|
|
|
"for interface '%s', errno = %d\n", inetInterface->ifr_name, errno);
|
|
|
|
} else {
|
|
|
|
struct sockaddr_in *sin;
|
|
|
|
int ip;
|
|
|
|
|
|
|
|
sin = (struct sockaddr_in *)&ifr.ifr_addr;
|
|
|
|
|
|
|
|
ip = ntohl(sin->sin_addr.s_addr);
|
|
|
|
localIP[ numIP ][0] = (ip >> 24) & 0xff;
|
|
|
|
localIP[ numIP ][1] = (ip >> 16) & 0xff;
|
|
|
|
localIP[ numIP ][2] = (ip >> 8) & 0xff;
|
|
|
|
localIP[ numIP ][3] = (ip >> 0) & 0xff;
|
|
|
|
Com_Printf( "IP: %i.%i.%i.%i (%s)\n",
|
|
|
|
localIP[ numIP ][0], localIP[ numIP ][1],
|
|
|
|
localIP[ numIP ][2], localIP[ numIP ][3],
|
|
|
|
inetInterface->ifr_name);
|
|
|
|
numIP++;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
// We will assume that there is only one AF_INET entry per AF_LINK entry.
|
|
|
|
// What happens when we have an interface that has multiple IP addresses, or
|
|
|
|
// can that even happen?
|
|
|
|
// break;
|
|
|
|
}
|
|
|
|
inetInterface = IFR_NEXT(inetInterface);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
linkInterface = IFR_NEXT(linkInterface);
|
|
|
|
}
|
|
|
|
|
|
|
|
close(interfaceSocket);
|
|
|
|
}
|
|
|
|
#else
|
2005-08-26 17:39:27 +00:00
|
|
|
void NET_GetLocalAddress( void ) {
|
|
|
|
char hostname[256];
|
|
|
|
struct hostent *hostInfo;
|
|
|
|
int error;
|
|
|
|
char *p;
|
|
|
|
int ip;
|
|
|
|
int n;
|
|
|
|
|
|
|
|
if( gethostname( hostname, 256 ) == SOCKET_ERROR ) {
|
2007-08-28 16:42:13 +00:00
|
|
|
error = socketError;
|
2005-08-26 17:39:27 +00:00
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
hostInfo = gethostbyname( hostname );
|
|
|
|
if( !hostInfo ) {
|
2007-08-28 16:42:13 +00:00
|
|
|
error = socketError;
|
2005-08-26 17:39:27 +00:00
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
Com_Printf( "Hostname: %s\n", hostInfo->h_name );
|
|
|
|
n = 0;
|
|
|
|
while( ( p = hostInfo->h_aliases[n++] ) != NULL ) {
|
|
|
|
Com_Printf( "Alias: %s\n", p );
|
|
|
|
}
|
|
|
|
|
|
|
|
if ( hostInfo->h_addrtype != AF_INET ) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
numIP = 0;
|
|
|
|
while( ( p = hostInfo->h_addr_list[numIP] ) != NULL && numIP < MAX_IPS ) {
|
|
|
|
ip = ntohl( *(int *)p );
|
|
|
|
localIP[ numIP ][0] = p[0];
|
|
|
|
localIP[ numIP ][1] = p[1];
|
|
|
|
localIP[ numIP ][2] = p[2];
|
|
|
|
localIP[ numIP ][3] = p[3];
|
|
|
|
Com_Printf( "IP: %i.%i.%i.%i\n", ( ip >> 24 ) & 0xff, ( ip >> 16 ) & 0xff, ( ip >> 8 ) & 0xff, ip & 0xff );
|
|
|
|
numIP++;
|
|
|
|
}
|
|
|
|
}
|
2007-08-28 16:42:13 +00:00
|
|
|
#endif
|
2005-08-26 17:39:27 +00:00
|
|
|
|
|
|
|
/*
|
|
|
|
====================
|
|
|
|
NET_OpenIP
|
|
|
|
====================
|
|
|
|
*/
|
|
|
|
void NET_OpenIP( void ) {
|
|
|
|
cvar_t *ip;
|
|
|
|
int port;
|
|
|
|
int i;
|
|
|
|
|
|
|
|
ip = Cvar_Get( "net_ip", "localhost", CVAR_LATCH );
|
|
|
|
port = Cvar_Get( "net_port", va( "%i", PORT_SERVER ), CVAR_LATCH )->integer;
|
|
|
|
|
|
|
|
// automatically scan for a valid port, so multiple
|
|
|
|
// dedicated servers can be started without requiring
|
|
|
|
// a different net_port for each one
|
|
|
|
for( i = 0 ; i < 10 ; i++ ) {
|
|
|
|
ip_socket = NET_IPSocket( ip->string, port + i );
|
|
|
|
if ( ip_socket ) {
|
|
|
|
Cvar_SetValue( "net_port", port + i );
|
|
|
|
if ( net_socksEnabled->integer ) {
|
|
|
|
NET_OpenSocks( port + i );
|
|
|
|
}
|
|
|
|
NET_GetLocalAddress();
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
Com_Printf( "WARNING: Couldn't allocate IP port\n");
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
//===================================================================
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
====================
|
|
|
|
NET_GetCvars
|
|
|
|
====================
|
|
|
|
*/
|
|
|
|
static qboolean NET_GetCvars( void ) {
|
|
|
|
qboolean modified;
|
|
|
|
|
|
|
|
modified = qfalse;
|
|
|
|
|
|
|
|
if( net_noudp && net_noudp->modified ) {
|
|
|
|
modified = qtrue;
|
|
|
|
}
|
|
|
|
net_noudp = Cvar_Get( "net_noudp", "0", CVAR_LATCH | CVAR_ARCHIVE );
|
|
|
|
|
|
|
|
|
|
|
|
if( net_socksEnabled && net_socksEnabled->modified ) {
|
|
|
|
modified = qtrue;
|
|
|
|
}
|
|
|
|
net_socksEnabled = Cvar_Get( "net_socksEnabled", "0", CVAR_LATCH | CVAR_ARCHIVE );
|
|
|
|
|
|
|
|
if( net_socksServer && net_socksServer->modified ) {
|
|
|
|
modified = qtrue;
|
|
|
|
}
|
|
|
|
net_socksServer = Cvar_Get( "net_socksServer", "", CVAR_LATCH | CVAR_ARCHIVE );
|
|
|
|
|
|
|
|
if( net_socksPort && net_socksPort->modified ) {
|
|
|
|
modified = qtrue;
|
|
|
|
}
|
|
|
|
net_socksPort = Cvar_Get( "net_socksPort", "1080", CVAR_LATCH | CVAR_ARCHIVE );
|
|
|
|
|
|
|
|
if( net_socksUsername && net_socksUsername->modified ) {
|
|
|
|
modified = qtrue;
|
|
|
|
}
|
|
|
|
net_socksUsername = Cvar_Get( "net_socksUsername", "", CVAR_LATCH | CVAR_ARCHIVE );
|
|
|
|
|
|
|
|
if( net_socksPassword && net_socksPassword->modified ) {
|
|
|
|
modified = qtrue;
|
|
|
|
}
|
|
|
|
net_socksPassword = Cvar_Get( "net_socksPassword", "", CVAR_LATCH | CVAR_ARCHIVE );
|
|
|
|
|
|
|
|
|
|
|
|
return modified;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
====================
|
|
|
|
NET_Config
|
|
|
|
====================
|
|
|
|
*/
|
|
|
|
void NET_Config( qboolean enableNetworking ) {
|
|
|
|
qboolean modified;
|
|
|
|
qboolean stop;
|
|
|
|
qboolean start;
|
|
|
|
|
|
|
|
// get any latched changes to cvars
|
|
|
|
modified = NET_GetCvars();
|
|
|
|
|
2007-08-28 16:42:13 +00:00
|
|
|
if( net_noudp->integer ) {
|
2005-08-26 17:39:27 +00:00
|
|
|
enableNetworking = qfalse;
|
|
|
|
}
|
|
|
|
|
|
|
|
// if enable state is the same and no cvars were modified, we have nothing to do
|
|
|
|
if( enableNetworking == networkingEnabled && !modified ) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
if( enableNetworking == networkingEnabled ) {
|
|
|
|
if( enableNetworking ) {
|
|
|
|
stop = qtrue;
|
|
|
|
start = qtrue;
|
|
|
|
}
|
|
|
|
else {
|
|
|
|
stop = qfalse;
|
|
|
|
start = qfalse;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else {
|
|
|
|
if( enableNetworking ) {
|
|
|
|
stop = qfalse;
|
|
|
|
start = qtrue;
|
|
|
|
}
|
|
|
|
else {
|
|
|
|
stop = qtrue;
|
|
|
|
start = qfalse;
|
|
|
|
}
|
|
|
|
networkingEnabled = enableNetworking;
|
|
|
|
}
|
|
|
|
|
|
|
|
if( stop ) {
|
|
|
|
if ( ip_socket && ip_socket != INVALID_SOCKET ) {
|
|
|
|
closesocket( ip_socket );
|
|
|
|
ip_socket = 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
if ( socks_socket && socks_socket != INVALID_SOCKET ) {
|
|
|
|
closesocket( socks_socket );
|
|
|
|
socks_socket = 0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if( start ) {
|
|
|
|
if (! net_noudp->integer ) {
|
|
|
|
NET_OpenIP();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
====================
|
|
|
|
NET_Init
|
|
|
|
====================
|
|
|
|
*/
|
|
|
|
void NET_Init( void ) {
|
2007-08-28 16:42:13 +00:00
|
|
|
#ifdef _WIN32
|
2005-08-26 17:39:27 +00:00
|
|
|
int r;
|
|
|
|
|
|
|
|
r = WSAStartup( MAKEWORD( 1, 1 ), &winsockdata );
|
|
|
|
if( r ) {
|
|
|
|
Com_Printf( "WARNING: Winsock initialization failed, returned %d\n", r );
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
winsockInitialized = qtrue;
|
|
|
|
Com_Printf( "Winsock Initialized\n" );
|
2007-08-28 16:42:13 +00:00
|
|
|
#endif
|
2005-08-26 17:39:27 +00:00
|
|
|
|
|
|
|
// this is really just to get the cvars registered
|
|
|
|
NET_GetCvars();
|
|
|
|
|
|
|
|
NET_Config( qtrue );
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
====================
|
|
|
|
NET_Shutdown
|
|
|
|
====================
|
|
|
|
*/
|
|
|
|
void NET_Shutdown( void ) {
|
2007-08-28 16:42:13 +00:00
|
|
|
if ( !networkingEnabled ) {
|
2005-08-26 17:39:27 +00:00
|
|
|
return;
|
|
|
|
}
|
2007-08-28 16:42:13 +00:00
|
|
|
|
2005-08-26 17:39:27 +00:00
|
|
|
NET_Config( qfalse );
|
2007-08-28 16:42:13 +00:00
|
|
|
|
|
|
|
#ifdef _WIN32
|
2005-08-26 17:39:27 +00:00
|
|
|
WSACleanup();
|
|
|
|
winsockInitialized = qfalse;
|
2007-08-28 16:42:13 +00:00
|
|
|
#endif
|
2005-08-26 17:39:27 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
====================
|
|
|
|
NET_Sleep
|
|
|
|
|
2007-09-05 18:17:46 +00:00
|
|
|
Sleeps msec or until something happens on the network or stdin
|
2005-08-26 17:39:27 +00:00
|
|
|
====================
|
|
|
|
*/
|
|
|
|
void NET_Sleep( int msec ) {
|
2007-08-28 16:42:13 +00:00
|
|
|
struct timeval timeout;
|
|
|
|
fd_set fdset;
|
|
|
|
int highestfd = 0;
|
|
|
|
|
|
|
|
if (!com_dedicated->integer)
|
|
|
|
return; // we're not a server, just run full speed
|
|
|
|
|
|
|
|
FD_ZERO(&fdset);
|
2007-09-05 18:17:46 +00:00
|
|
|
|
|
|
|
FD_SET(fileno(stdin), &fdset);
|
|
|
|
highestfd = fileno(stdin) + 1;
|
|
|
|
|
2007-08-28 16:42:13 +00:00
|
|
|
if(ip_socket)
|
|
|
|
{
|
|
|
|
FD_SET(ip_socket, &fdset); // network socket
|
|
|
|
if(ip_socket >= highestfd)
|
|
|
|
highestfd = ip_socket + 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
if(highestfd)
|
|
|
|
{
|
|
|
|
if(msec >= 0)
|
|
|
|
{
|
|
|
|
timeout.tv_sec = msec/1000;
|
|
|
|
timeout.tv_usec = (msec%1000)*1000;
|
|
|
|
select(highestfd, &fdset, NULL, NULL, &timeout);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
// Block indefinitely
|
|
|
|
select(highestfd, &fdset, NULL, NULL, NULL);
|
|
|
|
}
|
|
|
|
}
|
2005-08-26 17:39:27 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
====================
|
|
|
|
NET_Restart_f
|
|
|
|
====================
|
|
|
|
*/
|
|
|
|
void NET_Restart( void ) {
|
|
|
|
NET_Config( networkingEnabled );
|
|
|
|
}
|