aboutsummaryrefslogtreecommitdiffstats
path: root/code/qcommon
diff options
context:
space:
mode:
Diffstat (limited to 'code/qcommon')
-rw-r--r--code/qcommon/net_chan.c19
-rw-r--r--code/qcommon/net_ip.c1082
-rw-r--r--code/qcommon/qcommon.h5
3 files changed, 1083 insertions, 23 deletions
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 <winsock.h>
+
+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 <arpa/inet.h>
+#include <errno.h>
+#include <netdb.h>
+#include <netinet/in.h>
+#include <sys/ioctl.h>
+#include <sys/socket.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#ifdef MACOS_X
+#include <sys/sockio.h>
+#include <net/if.h>
+#include <net/if_types.h>
+#include <net/if_dl.h> // for 'struct sockaddr_dl'
+#endif
+
+#ifdef __sun
+#include <sys/filio.h>
+#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;
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-25 13:17:31 +0000