1011 lines
25 KiB
C++
1011 lines
25 KiB
C++
// net_wins.c
|
|
|
|
#include "../game/q_shared.h"
|
|
#include "../qcommon/qcommon.h"
|
|
#include "win_local.h"
|
|
|
|
static WSADATA winsockdata;
|
|
static qboolean winsockInitialized = qfalse;
|
|
static qboolean usingSocks = qfalse;
|
|
static qboolean networkingEnabled = qfalse;
|
|
|
|
static cvar_t *net_noudp;
|
|
static cvar_t *net_noipx;
|
|
|
|
static cvar_t *net_socksEnabled;
|
|
static cvar_t *net_socksServer;
|
|
static cvar_t *net_socksPort;
|
|
static cvar_t *net_socksUsername;
|
|
static cvar_t *net_socksPassword;
|
|
static struct sockaddr socksRelayAddr;
|
|
|
|
static SOCKET ip_socket;
|
|
static SOCKET socks_socket;
|
|
static SOCKET ipx_socket;
|
|
|
|
#define MAX_IPS 16
|
|
static int numIP;
|
|
static byte localIP[MAX_IPS][4];
|
|
|
|
//=============================================================================
|
|
|
|
|
|
/*
|
|
====================
|
|
NET_ErrorString
|
|
====================
|
|
*/
|
|
char *NET_ErrorString( void ) {
|
|
int code;
|
|
|
|
code = WSAGetLastError();
|
|
switch( code ) {
|
|
case WSAEINTR: return "WSAEINTR";
|
|
case WSAEBADF: return "WSAEBADF";
|
|
case WSAEACCES: return "WSAEACCES";
|
|
case WSAEDISCON: return "WSAEDISCON";
|
|
case WSAEFAULT: return "WSAEFAULT";
|
|
case WSAEINVAL: return "WSAEINVAL";
|
|
case WSAEMFILE: return "WSAEMFILE";
|
|
case WSAEWOULDBLOCK: return "WSAEWOULDBLOCK";
|
|
case WSAEINPROGRESS: return "WSAEINPROGRESS";
|
|
case WSAEALREADY: return "WSAEALREADY";
|
|
case WSAENOTSOCK: return "WSAENOTSOCK";
|
|
case WSAEDESTADDRREQ: return "WSAEDESTADDRREQ";
|
|
case WSAEMSGSIZE: return "WSAEMSGSIZE";
|
|
case WSAEPROTOTYPE: return "WSAEPROTOTYPE";
|
|
case WSAENOPROTOOPT: return "WSAENOPROTOOPT";
|
|
case WSAEPROTONOSUPPORT: return "WSAEPROTONOSUPPORT";
|
|
case WSAESOCKTNOSUPPORT: return "WSAESOCKTNOSUPPORT";
|
|
case WSAEOPNOTSUPP: return "WSAEOPNOTSUPP";
|
|
case WSAEPFNOSUPPORT: return "WSAEPFNOSUPPORT";
|
|
case WSAEAFNOSUPPORT: return "WSAEAFNOSUPPORT";
|
|
case WSAEADDRINUSE: return "WSAEADDRINUSE";
|
|
case WSAEADDRNOTAVAIL: return "WSAEADDRNOTAVAIL";
|
|
case WSAENETDOWN: return "WSAENETDOWN";
|
|
case WSAENETUNREACH: return "WSAENETUNREACH";
|
|
case WSAENETRESET: return "WSAENETRESET";
|
|
case WSAECONNABORTED: return "WSWSAECONNABORTEDAEINTR";
|
|
case WSAECONNRESET: return "WSAECONNRESET";
|
|
case WSAENOBUFS: return "WSAENOBUFS";
|
|
case WSAEISCONN: return "WSAEISCONN";
|
|
case WSAENOTCONN: return "WSAENOTCONN";
|
|
case WSAESHUTDOWN: return "WSAESHUTDOWN";
|
|
case WSAETOOMANYREFS: return "WSAETOOMANYREFS";
|
|
case WSAETIMEDOUT: return "WSAETIMEDOUT";
|
|
case WSAECONNREFUSED: return "WSAECONNREFUSED";
|
|
case WSAELOOP: return "WSAELOOP";
|
|
case WSAENAMETOOLONG: return "WSAENAMETOOLONG";
|
|
case WSAEHOSTDOWN: return "WSAEHOSTDOWN";
|
|
case WSASYSNOTREADY: return "WSASYSNOTREADY";
|
|
case WSAVERNOTSUPPORTED: return "WSAVERNOTSUPPORTED";
|
|
case WSANOTINITIALISED: return "WSANOTINITIALISED";
|
|
case WSAHOST_NOT_FOUND: return "WSAHOST_NOT_FOUND";
|
|
case WSATRY_AGAIN: return "WSATRY_AGAIN";
|
|
case WSANO_RECOVERY: return "WSANO_RECOVERY";
|
|
case WSANO_DATA: return "WSANO_DATA";
|
|
default: return "NO ERROR";
|
|
}
|
|
}
|
|
|
|
void NetadrToSockadr( netadr_t *a, struct sockaddr *s ) {
|
|
memset( s, 0, sizeof(*s) );
|
|
|
|
if( a->type == NA_BROADCAST ) {
|
|
((struct sockaddr_in *)s)->sin_family = AF_INET;
|
|
((struct sockaddr_in *)s)->sin_port = a->port;
|
|
((struct sockaddr_in *)s)->sin_addr.s_addr = INADDR_BROADCAST;
|
|
}
|
|
else if( a->type == NA_IP ) {
|
|
((struct sockaddr_in *)s)->sin_family = AF_INET;
|
|
((struct sockaddr_in *)s)->sin_addr.s_addr = *(int *)&a->ip;
|
|
((struct sockaddr_in *)s)->sin_port = a->port;
|
|
}
|
|
else if( a->type == NA_IPX ) {
|
|
((struct sockaddr_ipx *)s)->sa_family = AF_IPX;
|
|
memcpy( ((struct sockaddr_ipx *)s)->sa_netnum, &a->ipx[0], 4 );
|
|
memcpy( ((struct sockaddr_ipx *)s)->sa_nodenum, &a->ipx[4], 6 );
|
|
((struct sockaddr_ipx *)s)->sa_socket = a->port;
|
|
}
|
|
else if( a->type == NA_BROADCAST_IPX ) {
|
|
((struct sockaddr_ipx *)s)->sa_family = AF_IPX;
|
|
memset( ((struct sockaddr_ipx *)s)->sa_netnum, 0, 4 );
|
|
memset( ((struct sockaddr_ipx *)s)->sa_nodenum, 0xff, 6 );
|
|
((struct sockaddr_ipx *)s)->sa_socket = a->port;
|
|
}
|
|
}
|
|
|
|
|
|
void SockadrToNetadr( struct sockaddr *s, netadr_t *a ) {
|
|
if (s->sa_family == AF_INET) {
|
|
a->type = NA_IP;
|
|
*(int *)&a->ip = ((struct sockaddr_in *)s)->sin_addr.s_addr;
|
|
a->port = ((struct sockaddr_in *)s)->sin_port;
|
|
}
|
|
else if( s->sa_family == AF_IPX ) {
|
|
a->type = NA_IPX;
|
|
memcpy( &a->ipx[0], ((struct sockaddr_ipx *)s)->sa_netnum, 4 );
|
|
memcpy( &a->ipx[4], ((struct sockaddr_ipx *)s)->sa_nodenum, 6 );
|
|
a->port = ((struct sockaddr_ipx *)s)->sa_socket;
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
=============
|
|
Sys_StringToAdr
|
|
|
|
idnewt
|
|
192.246.40.70
|
|
12121212.121212121212
|
|
=============
|
|
*/
|
|
#define DO(src,dest) \
|
|
copy[0] = s[src]; \
|
|
copy[1] = s[src + 1]; \
|
|
sscanf (copy, "%x", &val); \
|
|
((struct sockaddr_ipx *)sadr)->dest = val
|
|
|
|
qboolean Sys_StringToSockaddr( const char *s, struct sockaddr *sadr ) {
|
|
struct hostent *h;
|
|
int val;
|
|
char copy[MAX_STRING_CHARS];
|
|
|
|
memset( sadr, 0, sizeof( *sadr ) );
|
|
|
|
// check for an IPX address
|
|
if( ( strlen( s ) == 21 ) && ( s[8] == '.' ) ) {
|
|
((struct sockaddr_ipx *)sadr)->sa_family = AF_IPX;
|
|
((struct sockaddr_ipx *)sadr)->sa_socket = 0;
|
|
copy[2] = 0;
|
|
DO(0, sa_netnum[0]);
|
|
DO(2, sa_netnum[1]);
|
|
DO(4, sa_netnum[2]);
|
|
DO(6, sa_netnum[3]);
|
|
DO(9, sa_nodenum[0]);
|
|
DO(11, sa_nodenum[1]);
|
|
DO(13, sa_nodenum[2]);
|
|
DO(15, sa_nodenum[3]);
|
|
DO(17, sa_nodenum[4]);
|
|
DO(19, sa_nodenum[5]);
|
|
}
|
|
else {
|
|
((struct sockaddr_in *)sadr)->sin_family = AF_INET;
|
|
((struct sockaddr_in *)sadr)->sin_port = 0;
|
|
|
|
if( s[0] >= '0' && s[0] <= '9' ) {
|
|
*(int *)&((struct sockaddr_in *)sadr)->sin_addr = inet_addr(s);
|
|
} else {
|
|
if( ( h = gethostbyname( s ) ) == 0 ) {
|
|
return (qboolean)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, (char *)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, (const char *)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, (unsigned 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, (const struct sockaddr *)&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, (const char *)buf, len, 0 ) == SOCKET_ERROR ) {
|
|
err = WSAGetLastError();
|
|
Com_Printf( "NET_OpenSocks: send: %s\n", NET_ErrorString() );
|
|
return;
|
|
}
|
|
|
|
// get the response
|
|
len = recv( socks_socket, (char *)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, (const char *)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, (char *)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, (const char *)buf, 10, 0 ) == SOCKET_ERROR ) {
|
|
err = WSAGetLastError();
|
|
Com_Printf( "NET_OpenSocks: send: %s\n", NET_ErrorString() );
|
|
return;
|
|
}
|
|
|
|
// get the response
|
|
len = recv( socks_socket, (char *)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, (unsigned 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, (const struct sockaddr *)&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 );
|
|
}
|