/* =========================================================================== Copyright (C) 1999-2005 Id Software, Inc. This file is part of Quake III Arena source code. Quake III Arena source code is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. Quake III Arena source code 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 Quake III Arena source code; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA =========================================================================== */ // net_wins.c #include "../qcommon/q_shared.h" #include "../qcommon/qcommon.h" #include "win_local.h" static WSADATA winsockdata; static qboolean winsockInitialized = qfalse; static qboolean usingSocks = qfalse; static qboolean networkingEnabled = qfalse; static cvar_t *net_noudp; static cvar_t *net_noipx; static cvar_t *net_socksEnabled; static cvar_t *net_socksServer; static cvar_t *net_socksPort; static cvar_t *net_socksUsername; static cvar_t *net_socksPassword; static struct sockaddr socksRelayAddr; static SOCKET ip_socket; static SOCKET socks_socket; static SOCKET ipx_socket; #define MAX_IPS 16 static int numIP; static byte localIP[MAX_IPS][4]; //============================================================================= /* ==================== NET_ErrorString ==================== */ char *NET_ErrorString( void ) { int code; code = WSAGetLastError(); switch( code ) { case WSAEINTR: return "WSAEINTR"; case WSAEBADF: return "WSAEBADF"; case WSAEACCES: return "WSAEACCES"; case WSAEDISCON: return "WSAEDISCON"; case WSAEFAULT: return "WSAEFAULT"; case WSAEINVAL: return "WSAEINVAL"; case WSAEMFILE: return "WSAEMFILE"; case WSAEWOULDBLOCK: return "WSAEWOULDBLOCK"; case WSAEINPROGRESS: return "WSAEINPROGRESS"; case WSAEALREADY: return "WSAEALREADY"; case WSAENOTSOCK: return "WSAENOTSOCK"; case WSAEDESTADDRREQ: return "WSAEDESTADDRREQ"; case WSAEMSGSIZE: return "WSAEMSGSIZE"; case WSAEPROTOTYPE: return "WSAEPROTOTYPE"; case WSAENOPROTOOPT: return "WSAENOPROTOOPT"; case WSAEPROTONOSUPPORT: return "WSAEPROTONOSUPPORT"; case WSAESOCKTNOSUPPORT: return "WSAESOCKTNOSUPPORT"; case WSAEOPNOTSUPP: return "WSAEOPNOTSUPP"; case WSAEPFNOSUPPORT: return "WSAEPFNOSUPPORT"; case WSAEAFNOSUPPORT: return "WSAEAFNOSUPPORT"; case WSAEADDRINUSE: return "WSAEADDRINUSE"; case WSAEADDRNOTAVAIL: return "WSAEADDRNOTAVAIL"; case WSAENETDOWN: return "WSAENETDOWN"; case WSAENETUNREACH: return "WSAENETUNREACH"; case WSAENETRESET: return "WSAENETRESET"; case WSAECONNABORTED: return "WSWSAECONNABORTEDAEINTR"; case WSAECONNRESET: return "WSAECONNRESET"; case WSAENOBUFS: return "WSAENOBUFS"; case WSAEISCONN: return "WSAEISCONN"; case WSAENOTCONN: return "WSAENOTCONN"; case WSAESHUTDOWN: return "WSAESHUTDOWN"; case WSAETOOMANYREFS: return "WSAETOOMANYREFS"; case WSAETIMEDOUT: return "WSAETIMEDOUT"; case WSAECONNREFUSED: return "WSAECONNREFUSED"; case WSAELOOP: return "WSAELOOP"; case WSAENAMETOOLONG: return "WSAENAMETOOLONG"; case WSAEHOSTDOWN: return "WSAEHOSTDOWN"; case WSASYSNOTREADY: return "WSASYSNOTREADY"; case WSAVERNOTSUPPORTED: return "WSAVERNOTSUPPORTED"; case WSANOTINITIALISED: return "WSANOTINITIALISED"; case WSAHOST_NOT_FOUND: return "WSAHOST_NOT_FOUND"; case WSATRY_AGAIN: return "WSATRY_AGAIN"; case WSANO_RECOVERY: return "WSANO_RECOVERY"; case WSANO_DATA: return "WSANO_DATA"; default: return "NO ERROR"; } } void NetadrToSockadr( netadr_t *a, struct sockaddr *s ) { memset( s, 0, sizeof(*s) ); if( a->type == NA_BROADCAST ) { ((struct sockaddr_in *)s)->sin_family = AF_INET; ((struct sockaddr_in *)s)->sin_port = a->port; ((struct sockaddr_in *)s)->sin_addr.s_addr = INADDR_BROADCAST; } else if( a->type == NA_IP ) { ((struct sockaddr_in *)s)->sin_family = AF_INET; ((struct sockaddr_in *)s)->sin_addr.s_addr = *(int *)&a->ip; ((struct sockaddr_in *)s)->sin_port = a->port; } else if( a->type == NA_IPX ) { ((struct sockaddr_ipx *)s)->sa_family = AF_IPX; memcpy( ((struct sockaddr_ipx *)s)->sa_netnum, &a->ipx[0], 4 ); memcpy( ((struct sockaddr_ipx *)s)->sa_nodenum, &a->ipx[4], 6 ); ((struct sockaddr_ipx *)s)->sa_socket = a->port; } else if( a->type == NA_BROADCAST_IPX ) { ((struct sockaddr_ipx *)s)->sa_family = AF_IPX; memset( ((struct sockaddr_ipx *)s)->sa_netnum, 0, 4 ); memset( ((struct sockaddr_ipx *)s)->sa_nodenum, 0xff, 6 ); ((struct sockaddr_ipx *)s)->sa_socket = a->port; } } void SockadrToNetadr( struct sockaddr *s, netadr_t *a ) { if (s->sa_family == AF_INET) { a->type = NA_IP; *(int *)&a->ip = ((struct sockaddr_in *)s)->sin_addr.s_addr; a->port = ((struct sockaddr_in *)s)->sin_port; } else if( s->sa_family == AF_IPX ) { a->type = NA_IPX; memcpy( &a->ipx[0], ((struct sockaddr_ipx *)s)->sa_netnum, 4 ); memcpy( &a->ipx[4], ((struct sockaddr_ipx *)s)->sa_nodenum, 6 ); a->port = ((struct sockaddr_ipx *)s)->sa_socket; } } /* ============= Sys_StringToAdr idnewt 192.246.40.70 12121212.121212121212 ============= */ #define DO(src,dest) \ copy[0] = s[src]; \ copy[1] = s[src + 1]; \ sscanf (copy, "%x", &val); \ ((struct sockaddr_ipx *)sadr)->dest = val qboolean Sys_StringToSockaddr( const char *s, struct sockaddr *sadr ) { struct hostent *h; int val; char copy[MAX_STRING_CHARS]; memset( sadr, 0, sizeof( *sadr ) ); // check for an IPX address if( ( strlen( s ) == 21 ) && ( s[8] == '.' ) ) { ((struct sockaddr_ipx *)sadr)->sa_family = AF_IPX; ((struct sockaddr_ipx *)sadr)->sa_socket = 0; copy[2] = 0; DO(0, sa_netnum[0]); DO(2, sa_netnum[1]); DO(4, sa_netnum[2]); DO(6, sa_netnum[3]); DO(9, sa_nodenum[0]); DO(11, sa_nodenum[1]); DO(13, sa_nodenum[2]); DO(15, sa_nodenum[3]); DO(17, sa_nodenum[4]); DO(19, sa_nodenum[5]); } else { ((struct sockaddr_in *)sadr)->sin_family = AF_INET; ((struct sockaddr_in *)sadr)->sin_port = 0; if( s[0] >= '0' && s[0] <= '9' ) { *(int *)&((struct sockaddr_in *)sadr)->sin_addr = inet_addr(s); } else { if( ( h = gethostbyname( s ) ) == 0 ) { return 0; } *(int *)&((struct sockaddr_in *)sadr)->sin_addr = *(int *)h->h_addr_list[0]; } } return qtrue; } #undef DO /* ============= Sys_StringToAdr idnewt 192.246.40.70 ============= */ qboolean Sys_StringToAdr( const char *s, netadr_t *a ) { struct sockaddr sadr; if ( !Sys_StringToSockaddr( s, &sadr ) ) { return qfalse; } SockadrToNetadr( &sadr, a ); return qtrue; } //============================================================================= /* ================== Sys_GetPacket Never called by the game logic, just the system event queing ================== */ int recvfromCount; qboolean Sys_GetPacket( netadr_t *net_from, msg_t *net_message ) { int ret; struct sockaddr from; int fromlen; int net_socket; int protocol; int err; for( protocol = 0 ; protocol < 2 ; protocol++ ) { if( protocol == 0 ) { net_socket = ip_socket; } else { net_socket = ipx_socket; } if( !net_socket ) { continue; } fromlen = sizeof(from); recvfromCount++; // performance check ret = recvfrom( net_socket, net_message->data, net_message->maxsize, 0, (struct sockaddr *)&from, &fromlen ); if (ret == SOCKET_ERROR) { err = WSAGetLastError(); if( err == WSAEWOULDBLOCK || err == WSAECONNRESET ) { continue; } Com_Printf( "NET_GetPacket: %s\n", NET_ErrorString() ); continue; } if ( net_socket == ip_socket ) { memset( ((struct sockaddr_in *)&from)->sin_zero, 0, 8 ); } if ( usingSocks && net_socket == ip_socket && memcmp( &from, &socksRelayAddr, fromlen ) == 0 ) { if ( ret < 10 || net_message->data[0] != 0 || net_message->data[1] != 0 || net_message->data[2] != 0 || net_message->data[3] != 1 ) { continue; } net_from->type = NA_IP; net_from->ip[0] = net_message->data[4]; net_from->ip[1] = net_message->data[5]; net_from->ip[2] = net_message->data[6]; net_from->ip[3] = net_message->data[7]; net_from->port = *(short *)&net_message->data[8]; net_message->readcount = 10; } else { SockadrToNetadr( &from, net_from ); net_message->readcount = 0; } if( ret == net_message->maxsize ) { Com_Printf( "Oversize packet from %s\n", NET_AdrToString (*net_from) ); continue; } net_message->cursize = ret; return qtrue; } return qfalse; } //============================================================================= static char socksBuf[4096]; /* ================== Sys_SendPacket ================== */ void Sys_SendPacket( int length, const void *data, netadr_t to ) { int ret; struct sockaddr addr; SOCKET net_socket; if( to.type == NA_BROADCAST ) { net_socket = ip_socket; } else if( to.type == NA_IP ) { net_socket = ip_socket; } else if( to.type == NA_IPX ) { net_socket = ipx_socket; } else if( to.type == NA_BROADCAST_IPX ) { net_socket = ipx_socket; } else { Com_Error( ERR_FATAL, "Sys_SendPacket: bad address type" ); return; } if( !net_socket ) { return; } NetadrToSockadr( &to, &addr ); if( usingSocks && to.type == NA_IP ) { socksBuf[0] = 0; // reserved socksBuf[1] = 0; socksBuf[2] = 0; // fragment (not fragmented) socksBuf[3] = 1; // address type: IPV4 *(int *)&socksBuf[4] = ((struct sockaddr_in *)&addr)->sin_addr.s_addr; *(short *)&socksBuf[8] = ((struct sockaddr_in *)&addr)->sin_port; memcpy( &socksBuf[10], data, length ); ret = sendto( net_socket, socksBuf, length+10, 0, &socksRelayAddr, sizeof(socksRelayAddr) ); } else { ret = sendto( net_socket, data, length, 0, &addr, sizeof(addr) ); } if( ret == SOCKET_ERROR ) { int err = WSAGetLastError(); // wouldblock is silent if( err == WSAEWOULDBLOCK ) { return; } // some PPP links do not allow broadcasts and return an error if( ( err == WSAEADDRNOTAVAIL ) && ( ( to.type == NA_BROADCAST ) || ( to.type == NA_BROADCAST_IPX ) ) ) { 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_IPX ) { return qtrue; } if( adr.type != NA_IP ) { return qfalse; } // 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 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; } } // the RFC1918 class a block will pass the above test 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; } // also check against the RFC1918 class b blocks if( adr.ip[0] == 172 && localIP[i][0] == 172 && (adr.ip[1] & 0xf0) == 16 && (localIP[i][1] & 0xf0) == 16 ) { 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; } // also check against the RFC1918 class c blocks if( adr.ip[0] == 192 && localIP[i][0] == 192 && adr.ip[1] == 168 && localIP[i][1] == 168 ) { 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 ) { err = WSAGetLastError(); if( err != WSAEAFNOSUPPORT ) { Com_Printf( "WARNING: UDP_OpenSocket: socket: %s\n", NET_ErrorString() ); } return 0; } // make it non-blocking if( ioctlsocket( newsocket, FIONBIO, (u_long *)&_true ) == SOCKET_ERROR ) { 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 ) { err = WSAGetLastError(); Com_Printf( "WARNING: NET_OpenSocks: socket: %s\n", NET_ErrorString() ); return; } h = gethostbyname( net_socksServer->string ); if ( h == NULL ) { err = WSAGetLastError(); 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 ) { err = WSAGetLastError(); 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 ) { err = WSAGetLastError(); Com_Printf( "NET_OpenSocks: send: %s\n", NET_ErrorString() ); return; } // get the response len = recv( socks_socket, buf, 64, 0 ); if ( len == SOCKET_ERROR ) { err = WSAGetLastError(); 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 ) { err = WSAGetLastError(); Com_Printf( "NET_OpenSocks: send: %s\n", NET_ErrorString() ); return; } // get the response len = recv( socks_socket, buf, 64, 0 ); if ( len == SOCKET_ERROR ) { err = WSAGetLastError(); 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 ) { err = WSAGetLastError(); Com_Printf( "NET_OpenSocks: send: %s\n", NET_ErrorString() ); return; } // get the response len = recv( socks_socket, buf, 64, 0 ); if( len == SOCKET_ERROR ) { err = WSAGetLastError(); 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 ===================== */ void NET_GetLocalAddress( void ) { char hostname[256]; struct hostent *hostInfo; int error; char *p; int ip; int n; if( gethostname( hostname, 256 ) == SOCKET_ERROR ) { error = WSAGetLastError(); return; } hostInfo = gethostbyname( hostname ); if( !hostInfo ) { error = WSAGetLastError(); 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++; } } /* ==================== 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_IPXSocket ==================== */ int NET_IPXSocket( int port ) { SOCKET newsocket; struct sockaddr_ipx address; int _true = 1; int err; if( ( newsocket = socket( AF_IPX, SOCK_DGRAM, NSPROTO_IPX ) ) == INVALID_SOCKET ) { err = WSAGetLastError(); if (err != WSAEAFNOSUPPORT) { Com_Printf( "WARNING: IPX_Socket: socket: %s\n", NET_ErrorString() ); } return 0; } // make it non-blocking if( ioctlsocket( newsocket, FIONBIO, (u_long *)&_true ) == SOCKET_ERROR ) { Com_Printf( "WARNING: IPX_Socket: ioctl FIONBIO: %s\n", NET_ErrorString() ); return 0; } // make it broadcast capable if( setsockopt( newsocket, SOL_SOCKET, SO_BROADCAST, (char *)&_true, sizeof( _true ) ) == SOCKET_ERROR ) { Com_Printf( "WARNING: IPX_Socket: setsockopt SO_BROADCAST: %s\n", NET_ErrorString() ); return 0; } address.sa_family = AF_IPX; memset( address.sa_netnum, 0, 4 ); memset( address.sa_nodenum, 0, 6 ); if( port == PORT_ANY ) { address.sa_socket = 0; } else { address.sa_socket = htons( (short)port ); } if( bind( newsocket, (void *)&address, sizeof(address) ) == SOCKET_ERROR ) { Com_Printf( "WARNING: IPX_Socket: bind: %s\n", NET_ErrorString() ); closesocket( newsocket ); return 0; } return newsocket; } /* ==================== NET_OpenIPX ==================== */ void NET_OpenIPX( void ) { int port; port = Cvar_Get( "net_port", va( "%i", PORT_SERVER ), CVAR_LATCH )->integer; ipx_socket = NET_IPXSocket( port ); } //=================================================================== /* ==================== 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_noipx && net_noipx->modified ) { modified = qtrue; } net_noipx = Cvar_Get( "net_noipx", "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(); if( net_noudp->integer && net_noipx->integer ) { 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 ( ipx_socket && ipx_socket != INVALID_SOCKET ) { closesocket( ipx_socket ); ipx_socket = 0; } } if( start ) { if (! net_noudp->integer ) { NET_OpenIP(); } if (! net_noipx->integer ) { NET_OpenIPX(); } } } /* ==================== NET_Init ==================== */ void NET_Init( void ) { 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" ); // this is really just to get the cvars registered NET_GetCvars(); //FIXME testing! NET_Config( qtrue ); } /* ==================== NET_Shutdown ==================== */ void NET_Shutdown( void ) { if ( !winsockInitialized ) { return; } NET_Config( qfalse ); WSACleanup(); winsockInitialized = qfalse; } /* ==================== NET_Sleep sleeps msec or until net socket is ready ==================== */ void NET_Sleep( int msec ) { } /* ==================== NET_Restart_f ==================== */ void NET_Restart( void ) { NET_Config( networkingEnabled ); }