From 04fc4656c928d58cdbbc60c605c5036564919ff4 Mon Sep 17 00:00:00 2001 From: tma Date: Tue, 28 Aug 2007 16:42:13 +0000 Subject: * Merge win_net.c and unix_net.c + Move win32/win_net.c to qcommon/net_ip.c and make it portable + Remove unix_net.c, but incorporate its revision history into win_net.c + Remove all IPX support -- this remains compatible with existing mods + This change also inadvertently gets us SOCKS support on non-Windows platforms git-svn-id: svn://svn.icculus.org/quake3/trunk@1139 edf5b092-35ff-0310-97b2-ce42778d08ea --- Makefile | 6 +- TODO | 1 - code/client/cl_main.c | 9 - code/q3_ui/ui_servers2.c | 1 - code/qcommon/net_chan.c | 19 - code/qcommon/net_ip.c | 1082 ++++++++++++++++++++++++++++++++++++++++++++++ code/qcommon/qcommon.h | 5 +- code/ui/ui_main.c | 1 - code/unix/unix_net.c | 683 ----------------------------- code/win32/win_local.h | 2 - code/win32/win_net.c | 1031 ------------------------------------------- 11 files changed, 1086 insertions(+), 1754 deletions(-) create mode 100644 code/qcommon/net_ip.c delete mode 100644 code/unix/unix_net.c delete mode 100644 code/win32/win_net.c diff --git a/Makefile b/Makefile index dc5b375..75f656b 100644 --- a/Makefile +++ b/Makefile @@ -828,6 +828,7 @@ release: targets: makedirs tools @echo "" @echo "Building ioquake3 in $(B):" + @echo " PLATFORM: $(PLATFORM)" @echo " ARCH: $(ARCH)" @echo " COMPILE_PLATFORM: $(COMPILE_PLATFORM)" @echo " COMPILE_ARCH: $(COMPILE_ARCH)" @@ -924,6 +925,7 @@ Q3OBJ = \ $(B)/client/md5.o \ $(B)/client/msg.o \ $(B)/client/net_chan.o \ + $(B)/client/net_ip.o \ $(B)/client/huffman.o \ \ $(B)/client/snd_adpcm.o \ @@ -1084,7 +1086,6 @@ ifeq ($(PLATFORM),mingw32) $(B)/client/win_glimp.o \ $(B)/client/win_input.o \ $(B)/client/win_main.o \ - $(B)/client/win_net.o \ $(B)/client/win_qgl.o \ $(B)/client/win_shared.o \ $(B)/client/win_snd.o \ @@ -1094,7 +1095,6 @@ ifeq ($(PLATFORM),mingw32) else Q3OBJ += \ $(B)/client/unix_main.o \ - $(B)/client/unix_net.o \ $(B)/client/unix_shared.o \ $(B)/client/linux_signals.o \ $(B)/client/linux_qgl.o \ @@ -1167,6 +1167,7 @@ Q3DOBJ = \ $(B)/ded/md4.o \ $(B)/ded/msg.o \ $(B)/ded/net_chan.o \ + $(B)/ded/net_ip.o \ $(B)/ded/huffman.o \ \ $(B)/ded/q_math.o \ @@ -1207,7 +1208,6 @@ Q3DOBJ = \ \ $(B)/ded/linux_signals.o \ $(B)/ded/unix_main.o \ - $(B)/ded/unix_net.o \ $(B)/ded/unix_shared.o \ \ $(B)/ded/null_client.o \ diff --git a/TODO b/TODO index 8d5ef99..0aefa63 100644 --- a/TODO +++ b/TODO @@ -19,7 +19,6 @@ MacOS X For 1.35+: * IPv6 support -* merge unix_net.c and win_net.c * Replace windows DirectX backend with SDL * Graphical "ioquake3" watermark in videos, optional, on by default * Gamma stuff while recording videos. diff --git a/code/client/cl_main.c b/code/client/cl_main.c index ee538e0..c235a21 100644 --- a/code/client/cl_main.c +++ b/code/client/cl_main.c @@ -2867,12 +2867,6 @@ void CL_ServerInfoPacket( netadr_t from, msg_t *msg ) { type = 1; break; - case NA_IPX: - case NA_BROADCAST_IPX: - str = "ipx"; - type = 2; - break; - default: str = "???"; type = 0; @@ -3160,9 +3154,6 @@ void CL_LocalServers_f( void ) { to.type = NA_BROADCAST; NET_SendPacket( NS_CLIENT, strlen( message ), message, to ); - - to.type = NA_BROADCAST_IPX; - NET_SendPacket( NS_CLIENT, strlen( message ), message, to ); } } } diff --git a/code/q3_ui/ui_servers2.c b/code/q3_ui/ui_servers2.c index 877fa00..57c76ab 100644 --- a/code/q3_ui/ui_servers2.c +++ b/code/q3_ui/ui_servers2.c @@ -142,7 +142,6 @@ static char* gamenames[] = { static char* netnames[] = { "???", "UDP", - "IPX", NULL }; diff --git a/code/qcommon/net_chan.c b/code/qcommon/net_chan.c index bd819f8..6458444 100644 --- a/code/qcommon/net_chan.c +++ b/code/qcommon/net_chan.c @@ -482,14 +482,6 @@ qboolean NET_CompareBaseAdr (netadr_t a, netadr_t b) return qfalse; } - if (a.type == NA_IPX) - { - if ((memcmp(a.ipx, b.ipx, 10) == 0)) - return qtrue; - return qfalse; - } - - Com_Printf ("NET_CompareBaseAdr: bad address type\n"); return qfalse; } @@ -505,10 +497,6 @@ const char *NET_AdrToString (netadr_t a) } else if (a.type == NA_IP) { Com_sprintf (s, sizeof(s), "%i.%i.%i.%i:%hu", a.ip[0], a.ip[1], a.ip[2], a.ip[3], BigShort(a.port)); - } else { - Com_sprintf (s, sizeof(s), "%02x%02x%02x%02x.%02x%02x%02x%02x%02x%02x:%hu", - a.ipx[0], a.ipx[1], a.ipx[2], a.ipx[3], a.ipx[4], a.ipx[5], a.ipx[6], a.ipx[7], a.ipx[8], a.ipx[9], - BigShort(a.port)); } return s; @@ -530,13 +518,6 @@ qboolean NET_CompareAdr (netadr_t a, netadr_t b) return qfalse; } - if (a.type == NA_IPX) - { - if ((memcmp(a.ipx, b.ipx, 10) == 0) && a.port == b.port) - return qtrue; - return qfalse; - } - Com_Printf ("NET_CompareAdr: bad address type\n"); return qfalse; } diff --git a/code/qcommon/net_ip.c b/code/qcommon/net_ip.c new file mode 100644 index 0000000..9248db3 --- /dev/null +++ b/code/qcommon/net_ip.c @@ -0,0 +1,1082 @@ +/* +=========================================================================== +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 +=========================================================================== +*/ + +#include "../qcommon/q_shared.h" +#include "../qcommon/qcommon.h" + +#ifdef _WIN32 +#include + +typedef int socklen_t; +#define EAGAIN WSAEWOULDBLOCK +#define EADDRNOTAVAIL WSAEADDRNOTAVAIL +#define EAFNOSUPPORT WSAEAFNOSUPPORT +#define ECONNRESET WSAECONNRESET +#define socketError WSAGetLastError( ) + +static WSADATA winsockdata; +static qboolean winsockInitialized = qfalse; + +#else + +#if MAC_OS_X_VERSION_MIN_REQUIRED == 1020 + // needed for socklen_t on OSX 10.2 +# define _BSD_SOCKLEN_T_ +#endif + +#include +#include +#include +#include +#include +#include +#include +#include + +#ifdef MACOS_X +#include +#include +#include +#include // for 'struct sockaddr_dl' +#endif + +#ifdef __sun +#include +#endif + +typedef int SOCKET; +#define INVALID_SOCKET -1 +#define SOCKET_ERROR -1 +#define closesocket close +#define ioctlsocket ioctl +#define socketError errno + +#endif + +static qboolean usingSocks = qfalse; +static qboolean networkingEnabled = qfalse; + +static cvar_t *net_noudp; + +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; + +#define MAX_IPS 16 +static int numIP; +static byte localIP[MAX_IPS][4]; + +//============================================================================= + + +/* +==================== +NET_ErrorString +==================== +*/ +char *NET_ErrorString( void ) { +#ifdef _WIN32 + //FIXME: replace with FormatMessage? + switch( socketError ) { + 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"; + } +#else + return strerror (errno); +#endif +} + +static 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; + } +} + + +static 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; + } +} + + +/* +============= +Sys_StringToSockaddr +============= +*/ +static qboolean Sys_StringToSockaddr( const char *s, struct sockaddr *sadr ) { + struct hostent *h; + + memset( sadr, 0, sizeof( *sadr ) ); + + ((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; +} + +/* +============= +Sys_StringToAdr +============= +*/ +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 +================== +*/ +#ifdef _DEBUG +int recvfromCount; +#endif + +qboolean Sys_GetPacket( netadr_t *net_from, msg_t *net_message ) { + int ret; + struct sockaddr from; + socklen_t fromlen; + int err; + + if( !ip_socket ) { + return qfalse; + } + + fromlen = sizeof(from); +#ifdef _DEBUG + recvfromCount++; // performance check +#endif + ret = recvfrom( ip_socket, net_message->data, net_message->maxsize, 0, (struct sockaddr *)&from, &fromlen ); + if (ret == SOCKET_ERROR) + { + err = socketError; + + if( err == EAGAIN || err == ECONNRESET ) { + return qfalse; + } + Com_Printf( "NET_GetPacket: %s\n", NET_ErrorString() ); + return qfalse; + } + + memset( ((struct sockaddr_in *)&from)->sin_zero, 0, 8 ); + + if ( usingSocks && 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 ) { + return qfalse; + } + 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) ); + return qfalse; + } + + net_message->cursize = ret; + return qtrue; +} + +//============================================================================= + +static char socksBuf[4096]; + +/* +================== +Sys_SendPacket +================== +*/ +void Sys_SendPacket( int length, const void *data, netadr_t to ) { + int ret; + struct sockaddr addr; + + if( to.type != NA_BROADCAST && to.type != NA_IP ) { + Com_Error( ERR_FATAL, "Sys_SendPacket: bad address type" ); + return; + } + + if( !ip_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( ip_socket, socksBuf, length+10, 0, &socksRelayAddr, sizeof(socksRelayAddr) ); + } + else { + ret = sendto( ip_socket, data, length, 0, &addr, sizeof(addr) ); + } + if( ret == SOCKET_ERROR ) { + int err = socketError; + + // wouldblock is silent + if( err == EAGAIN ) { + return; + } + + // some PPP links do not allow broadcasts and return an error + if( ( err == EADDRNOTAVAIL ) && ( ( to.type == NA_BROADCAST ) ) ) { + 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; + } + + // 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; + + // 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 + // FIXME tma 28/08/07 Try and make this work for arbitrary subnet masks somehow + + 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; + } + } + + 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 ) { + err = socketError; + if( err != EAFNOSUPPORT ) { + 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 = socketError; + Com_Printf( "WARNING: NET_OpenSocks: socket: %s\n", NET_ErrorString() ); + return; + } + + h = gethostbyname( net_socksServer->string ); + if ( h == NULL ) { + err = socketError; + 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 = socketError; + 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 = socketError; + 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 = socketError; + 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 = socketError; + 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 = socketError; + 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 = socketError; + 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 = socketError; + 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 +===================== +*/ +#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 +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 = socketError; + return; + } + + hostInfo = gethostbyname( hostname ); + if( !hostInfo ) { + error = socketError; + 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++; + } +} +#endif + +/* +==================== +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(); + + if( net_noudp->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( start ) { + if (! net_noudp->integer ) { + NET_OpenIP(); + } + } +} + + +/* +==================== +NET_Init +==================== +*/ +void NET_Init( void ) { +#ifdef _WIN32 + 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" ); +#endif + + // this is really just to get the cvars registered + NET_GetCvars(); + + NET_Config( qtrue ); +} + + +/* +==================== +NET_Shutdown +==================== +*/ +void NET_Shutdown( void ) { + if ( !networkingEnabled ) { + return; + } + + NET_Config( qfalse ); + +#ifdef _WIN32 + WSACleanup(); + winsockInitialized = qfalse; +#endif +} + + +/* +==================== +NET_Sleep + +Sleeps msec or until net socket is ready +==================== +*/ +void NET_Sleep( int msec ) { + struct timeval timeout; + fd_set fdset; +#ifndef _WIN32 //FIXME + extern qboolean stdin_active; +#endif + int highestfd = 0; + + if (!com_dedicated->integer) + return; // we're not a server, just run full speed + + FD_ZERO(&fdset); +#ifndef _WIN32 //FIXME + if (stdin_active) + { + FD_SET(0, &fdset); // stdin is processed too + highestfd = 1; + } +#endif + 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); + } + } +} + + +/* +==================== +NET_Restart_f +==================== +*/ +void NET_Restart( void ) { + NET_Config( networkingEnabled ); +} diff --git a/code/qcommon/qcommon.h b/code/qcommon/qcommon.h index f0d6722..6382843 100644 --- a/code/qcommon/qcommon.h +++ b/code/qcommon/qcommon.h @@ -136,9 +136,7 @@ typedef enum { NA_BAD, // an address lookup failed NA_LOOPBACK, NA_BROADCAST, - NA_IP, - NA_IPX, - NA_BROADCAST_IPX + NA_IP } netadrtype_t; typedef enum { @@ -150,7 +148,6 @@ typedef struct { netadrtype_t type; byte ip[4]; - byte ipx[10]; unsigned short port; } netadr_t; diff --git a/code/ui/ui_main.c b/code/ui/ui_main.c index ea849fc..343ea1f 100644 --- a/code/ui/ui_main.c +++ b/code/ui/ui_main.c @@ -116,7 +116,6 @@ static const int numSortKeys = sizeof(sortKeys) / sizeof(const char*); static char* netnames[] = { "???", "UDP", - "IPX", NULL }; diff --git a/code/unix/unix_net.c b/code/unix/unix_net.c deleted file mode 100644 index 5fd1b0c..0000000 --- a/code/unix/unix_net.c +++ /dev/null @@ -1,683 +0,0 @@ -/* -=========================================================================== -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 -=========================================================================== -*/ -// unix_net.c - -#include "../qcommon/q_shared.h" -#include "../qcommon/qcommon.h" - -#include -#if MAC_OS_X_VERSION_MIN_REQUIRED == 1020 - // needed for socket_t on OSX 10.2 - #define _BSD_SOCKLEN_T_ -#endif -#include -#include -#include -#include -#include // bk001204 - -#include -#include -#include -#include - -#ifdef MACOS_X -#import -#import -#import - -#import // for inet_ntoa() -#import // for 'struct sockaddr_dl' -#endif - -#ifdef __sun -#include -#endif - -static cvar_t *noudp; - -netadr_t net_local_adr; - -int ip_socket; -int ipx_socket; - -#define MAX_IPS 16 -static int numIP; -static byte localIP[MAX_IPS][4]; - -int NET_Socket (char *net_interface, int port); -char *NET_ErrorString (void); - -//============================================================================= - -void NetadrToSockadr (netadr_t *a, struct sockaddr_in *s) -{ - memset (s, 0, sizeof(*s)); - - if (a->type == NA_BROADCAST) - { - s->sin_family = AF_INET; - - s->sin_port = a->port; - *(int *)&s->sin_addr = -1; - } - else if (a->type == NA_IP) - { - s->sin_family = AF_INET; - - *(int *)&s->sin_addr = *(int *)&a->ip; - s->sin_port = a->port; - } -} - -void SockadrToNetadr (struct sockaddr_in *s, netadr_t *a) -{ - *(int *)&a->ip = *(int *)&s->sin_addr; - a->port = s->sin_port; - a->type = NA_IP; -} - -char *NET_BaseAdrToString (netadr_t a) -{ - static char s[64]; - - Com_sprintf (s, sizeof(s), "%i.%i.%i.%i", a.ip[0], a.ip[1], a.ip[2], a.ip[3]); - - return s; -} - -/* -============= -Sys_StringToAdr - -idnewt -192.246.40.70 -============= -*/ -qboolean Sys_StringToSockaddr (const char *s, struct sockaddr *sadr) -{ - struct hostent *h; - //char *colon; // bk001204 - unused - - memset (sadr, 0, sizeof(*sadr)); - ((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)) ) - return qfalse; - *(int *)&((struct sockaddr_in *)sadr)->sin_addr = *(int *)h->h_addr_list[0]; - } - - return qtrue; -} - -/* -============= -Sys_StringToAdr - -localhost -idnewt -idnewt:28000 -192.246.40.70 -192.246.40.70:28000 -============= -*/ -qboolean Sys_StringToAdr (const char *s, netadr_t *a) -{ - struct sockaddr_in sadr; - - if (!Sys_StringToSockaddr (s, (struct sockaddr *)&sadr)) - return qfalse; - - SockadrToNetadr (&sadr, a); - - return qtrue; -} - - -//============================================================================= - -qboolean Sys_GetPacket (netadr_t *net_from, msg_t *net_message) -{ - int ret; - struct sockaddr_in from; - socklen_t 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); - ret = recvfrom (net_socket, net_message->data, net_message->maxsize - , 0, (struct sockaddr *)&from, &fromlen); - - SockadrToNetadr (&from, net_from); - // bk000305: was missing - net_message->readcount = 0; - - if (ret == -1) - { - err = errno; - - if (err == EWOULDBLOCK || err == ECONNREFUSED) - continue; - Com_Printf ("NET_GetPacket: %s from %s\n", NET_ErrorString(), - NET_AdrToString(*net_from)); - continue; - } - - 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; -} - -//============================================================================= - -void Sys_SendPacket( int length, const void *data, netadr_t to ) -{ - int ret; - struct sockaddr_in addr; - int 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, "NET_SendPacket: bad address type"); - return; - } - - if (!net_socket) - return; - - NetadrToSockadr (&to, &addr); - - ret = sendto (net_socket, data, length, 0, (struct sockaddr *)&addr, sizeof(addr) ); - if (ret == -1) - { - Com_Printf ("NET_SendPacket ERROR: %s to %s\n", NET_ErrorString(), - NET_AdrToString (to)); - } -} - - -//============================================================================= - -/* -================== -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; - } - - // 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; - - // the checks below are bogus, aren't they? -- ln - - // 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 - - // 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_GetLocalAddress -===================== -*/ -#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 -void NET_GetLocalAddress( void ) { - char hostname[256]; - struct hostent *hostInfo; - // int error; // bk001204 - unused - char *p; - int ip; - int n; - - if ( gethostname( hostname, 256 ) == -1 ) { - return; - } - - hostInfo = gethostbyname( hostname ); - if ( !hostInfo ) { - 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 ); - } -} -#endif - -/* -==================== -NET_OpenIP -==================== -*/ -// bk001204 - prototype needed -int NET_IPSocket (char *net_interface, int port); -void NET_OpenIP (void) -{ - cvar_t *ip; - int port; - int i; - - ip = Cvar_Get ("net_ip", "localhost", 0); - - port = Cvar_Get("net_port", va("%i", PORT_SERVER), 0)->value; - - for ( i = 0 ; i < 10 ; i++ ) { - ip_socket = NET_IPSocket (ip->string, port + i); - if ( ip_socket ) { - Cvar_SetValue( "net_port", port + i ); - NET_GetLocalAddress(); - return; - } - } - Com_Error (ERR_FATAL, "Couldn't allocate IP port"); -} - - -/* -==================== -NET_Init -==================== -*/ -void NET_Init (void) -{ - noudp = Cvar_Get ("net_noudp", "0", 0); - // open sockets - if (! noudp->value) { - NET_OpenIP (); - } -} - - -/* -==================== -NET_IPSocket -==================== -*/ -int NET_IPSocket (char *net_interface, int port) -{ - int newsocket; - struct sockaddr_in address; - qboolean _qtrue = qtrue; - int i = 1; - - 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 (PF_INET, SOCK_DGRAM, IPPROTO_UDP)) == -1) - { - Com_Printf ("ERROR: UDP_OpenSocket: socket: %s", NET_ErrorString()); - return 0; - } - - // make it non-blocking - if (ioctl (newsocket, FIONBIO, &_qtrue) == -1) - { - Com_Printf ("ERROR: 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)) == -1) - { - Com_Printf ("ERROR: 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)) == -1) - { - Com_Printf ("ERROR: UDP_OpenSocket: bind: %s\n", NET_ErrorString()); - close (newsocket); - return 0; - } - - return newsocket; -} - -/* -==================== -NET_Shutdown -==================== -*/ -void NET_Shutdown (void) -{ - if (ip_socket) { - close(ip_socket); - ip_socket = 0; - } -} - - -/* -==================== -NET_ErrorString -==================== -*/ -char *NET_ErrorString (void) -{ - int code; - - code = errno; - return strerror (code); -} - -// sleeps msec or until net socket is ready -void NET_Sleep(int msec) -{ - struct timeval timeout; - fd_set fdset; - extern qboolean stdin_active; - int highestfd = 0; - - if (!com_dedicated->integer) - return; // we're not a server, just run full speed - - FD_ZERO(&fdset); - if (stdin_active) - { - FD_SET(0, &fdset); // stdin is processed too - highestfd = 1; - } - 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); - } - } -} - diff --git a/code/win32/win_local.h b/code/win32/win_local.h index 14c0de5..e4414b4 100644 --- a/code/win32/win_local.h +++ b/code/win32/win_local.h @@ -35,8 +35,6 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA #include #include -#include -#include #include void IN_MouseEvent (int mstate); diff --git a/code/win32/win_net.c b/code/win32/win_net.c deleted file mode 100644 index 9646808..0000000 --- a/code/win32/win_net.c +++ /dev/null @@ -1,1031 +0,0 @@ -/* -=========================================================================== -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 ); -} -- cgit v1.2.3