diff options
Diffstat (limited to 'code/win32/win_net.c')
| -rwxr-xr-x | code/win32/win_net.c | 1031 |
1 files changed, 1031 insertions, 0 deletions
diff --git a/code/win32/win_net.c b/code/win32/win_net.c new file mode 100755 index 0000000..c58ea21 --- /dev/null +++ b/code/win32/win_net.c @@ -0,0 +1,1031 @@ +/*
+===========================================================================
+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 Foobar; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+===========================================================================
+*/
+// net_wins.c
+
+#include "../game/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, &_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, &_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 );
+}
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