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
// rain - too easy to falsely match a real hostname
// if( ( strlen( s ) == 21 ) && ( s[8] == '.' ) ) {
if(NET_IsIPXAddress(s))
{
((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;
}
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 !defined RTCW_ET
if ( ( strlen( s ) == 21 ) && ( s[8] == '.' ) ) {
#else
// rain - too easy to falsely match a real hostname
// if( ( strlen( s ) == 21 ) && ( s[8] == '.' ) ) {
if ( NET_IsIPXAddress( s ) ) {
#endif // RTCW_XX
( (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 defined RTCW_SP
if ( Q_isnumeric( s[0] ) ) {
#else
if ( s[0] >= '0' && s[0] <= '9' ) {
#endif // RTCW_XX
*(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, reinterpret_cast<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, static_cast<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() );
}
}
