From a8f828a066773a59fdf646299359d35ae0e845af Mon Sep 17 00:00:00 2001 From: wyatt8740 Date: Mon, 6 Jan 2014 12:02:16 -0500 Subject: Removed accidental upload of copyrighted map files --- WinQuake/net_wins.c | 1150 +++++++++++++++++++++++++-------------------------- 1 file changed, 575 insertions(+), 575 deletions(-) (limited to 'WinQuake/net_wins.c') diff --git a/WinQuake/net_wins.c b/WinQuake/net_wins.c index 3d188ed..5c24b10 100644 --- a/WinQuake/net_wins.c +++ b/WinQuake/net_wins.c @@ -1,575 +1,575 @@ -/* -Copyright (C) 1996-1997 Id Software, Inc. - -This program 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. - -This program 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 this program; if not, write to the Free Software -Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - -*/ -// net_wins.c - -#include "quakedef.h" -#include "winquake.h" - -extern cvar_t hostname; - -#define MAXHOSTNAMELEN 256 - -static int net_acceptsocket = -1; // socket for fielding new connections -static int net_controlsocket; -static int net_broadcastsocket = 0; -static struct qsockaddr broadcastaddr; - -static unsigned long myAddr; - -qboolean winsock_lib_initialized; - -int (PASCAL FAR *pWSAStartup)(WORD wVersionRequired, LPWSADATA lpWSAData); -int (PASCAL FAR *pWSACleanup)(void); -int (PASCAL FAR *pWSAGetLastError)(void); -SOCKET (PASCAL FAR *psocket)(int af, int type, int protocol); -int (PASCAL FAR *pioctlsocket)(SOCKET s, long cmd, u_long FAR *argp); -int (PASCAL FAR *psetsockopt)(SOCKET s, int level, int optname, - const char FAR * optval, int optlen); -int (PASCAL FAR *precvfrom)(SOCKET s, char FAR * buf, int len, int flags, - struct sockaddr FAR *from, int FAR * fromlen); -int (PASCAL FAR *psendto)(SOCKET s, const char FAR * buf, int len, int flags, - const struct sockaddr FAR *to, int tolen); -int (PASCAL FAR *pclosesocket)(SOCKET s); -int (PASCAL FAR *pgethostname)(char FAR * name, int namelen); -struct hostent FAR * (PASCAL FAR *pgethostbyname)(const char FAR * name); -struct hostent FAR * (PASCAL FAR *pgethostbyaddr)(const char FAR * addr, - int len, int type); -int (PASCAL FAR *pgetsockname)(SOCKET s, struct sockaddr FAR *name, - int FAR * namelen); - -#include "net_wins.h" - -int winsock_initialized = 0; -WSADATA winsockdata; - -//============================================================================= - -static double blocktime; - -BOOL PASCAL FAR BlockingHook(void) -{ - MSG msg; - BOOL ret; - - if ((Sys_FloatTime() - blocktime) > 2.0) - { - WSACancelBlockingCall(); - return FALSE; - } - - /* get the next message, if any */ - ret = (BOOL) PeekMessage(&msg, NULL, 0, 0, PM_REMOVE); - - /* if we got one, process it */ - if (ret) { - TranslateMessage(&msg); - DispatchMessage(&msg); - } - - /* TRUE if we got a message */ - return ret; -} - - -void WINS_GetLocalAddress() -{ - struct hostent *local = NULL; - char buff[MAXHOSTNAMELEN]; - unsigned long addr; - - if (myAddr != INADDR_ANY) - return; - - if (pgethostname(buff, MAXHOSTNAMELEN) == SOCKET_ERROR) - return; - - blocktime = Sys_FloatTime(); - WSASetBlockingHook(BlockingHook); - local = pgethostbyname(buff); - WSAUnhookBlockingHook(); - if (local == NULL) - return; - - myAddr = *(int *)local->h_addr_list[0]; - - addr = ntohl(myAddr); - sprintf(my_tcpip_address, "%d.%d.%d.%d", (addr >> 24) & 0xff, (addr >> 16) & 0xff, (addr >> 8) & 0xff, addr & 0xff); -} - - -int WINS_Init (void) -{ - int i; - char buff[MAXHOSTNAMELEN]; - char *p; - int r; - WORD wVersionRequested; - HINSTANCE hInst; - -// initialize the Winsock function vectors (we do this instead of statically linking -// so we can run on Win 3.1, where there isn't necessarily Winsock) - hInst = LoadLibrary("wsock32.dll"); - - if (hInst == NULL) - { - Con_SafePrintf ("Failed to load winsock.dll\n"); - winsock_lib_initialized = false; - return -1; - } - - winsock_lib_initialized = true; - - pWSAStartup = (void *)GetProcAddress(hInst, "WSAStartup"); - pWSACleanup = (void *)GetProcAddress(hInst, "WSACleanup"); - pWSAGetLastError = (void *)GetProcAddress(hInst, "WSAGetLastError"); - psocket = (void *)GetProcAddress(hInst, "socket"); - pioctlsocket = (void *)GetProcAddress(hInst, "ioctlsocket"); - psetsockopt = (void *)GetProcAddress(hInst, "setsockopt"); - precvfrom = (void *)GetProcAddress(hInst, "recvfrom"); - psendto = (void *)GetProcAddress(hInst, "sendto"); - pclosesocket = (void *)GetProcAddress(hInst, "closesocket"); - pgethostname = (void *)GetProcAddress(hInst, "gethostname"); - pgethostbyname = (void *)GetProcAddress(hInst, "gethostbyname"); - pgethostbyaddr = (void *)GetProcAddress(hInst, "gethostbyaddr"); - pgetsockname = (void *)GetProcAddress(hInst, "getsockname"); - - if (!pWSAStartup || !pWSACleanup || !pWSAGetLastError || - !psocket || !pioctlsocket || !psetsockopt || - !precvfrom || !psendto || !pclosesocket || - !pgethostname || !pgethostbyname || !pgethostbyaddr || - !pgetsockname) - { - Con_SafePrintf ("Couldn't GetProcAddress from winsock.dll\n"); - return -1; - } - - if (COM_CheckParm ("-noudp")) - return -1; - - if (winsock_initialized == 0) - { - wVersionRequested = MAKEWORD(1, 1); - - r = pWSAStartup (MAKEWORD(1, 1), &winsockdata); - - if (r) - { - Con_SafePrintf ("Winsock initialization failed.\n"); - return -1; - } - } - winsock_initialized++; - - // determine my name - if (pgethostname(buff, MAXHOSTNAMELEN) == SOCKET_ERROR) - { - Con_DPrintf ("Winsock TCP/IP Initialization failed.\n"); - if (--winsock_initialized == 0) - pWSACleanup (); - return -1; - } - - // if the quake hostname isn't set, set it to the machine name - if (Q_strcmp(hostname.string, "UNNAMED") == 0) - { - // see if it's a text IP address (well, close enough) - for (p = buff; *p; p++) - if ((*p < '0' || *p > '9') && *p != '.') - break; - - // if it is a real name, strip off the domain; we only want the host - if (*p) - { - for (i = 0; i < 15; i++) - if (buff[i] == '.') - break; - buff[i] = 0; - } - Cvar_Set ("hostname", buff); - } - - i = COM_CheckParm ("-ip"); - if (i) - { - if (i < com_argc-1) - { - myAddr = inet_addr(com_argv[i+1]); - if (myAddr == INADDR_NONE) - Sys_Error ("%s is not a valid IP address", com_argv[i+1]); - strcpy(my_tcpip_address, com_argv[i+1]); - } - else - { - Sys_Error ("NET_Init: you must specify an IP address after -ip"); - } - } - else - { - myAddr = INADDR_ANY; - strcpy(my_tcpip_address, "INADDR_ANY"); - } - - if ((net_controlsocket = WINS_OpenSocket (0)) == -1) - { - Con_Printf("WINS_Init: Unable to open control socket\n"); - if (--winsock_initialized == 0) - pWSACleanup (); - return -1; - } - - ((struct sockaddr_in *)&broadcastaddr)->sin_family = AF_INET; - ((struct sockaddr_in *)&broadcastaddr)->sin_addr.s_addr = INADDR_BROADCAST; - ((struct sockaddr_in *)&broadcastaddr)->sin_port = htons((unsigned short)net_hostport); - - Con_Printf("Winsock TCP/IP Initialized\n"); - tcpipAvailable = true; - - return net_controlsocket; -} - -//============================================================================= - -void WINS_Shutdown (void) -{ - WINS_Listen (false); - WINS_CloseSocket (net_controlsocket); - if (--winsock_initialized == 0) - pWSACleanup (); -} - -//============================================================================= - -void WINS_Listen (qboolean state) -{ - // enable listening - if (state) - { - if (net_acceptsocket != -1) - return; - WINS_GetLocalAddress(); - if ((net_acceptsocket = WINS_OpenSocket (net_hostport)) == -1) - Sys_Error ("WINS_Listen: Unable to open accept socket\n"); - return; - } - - // disable listening - if (net_acceptsocket == -1) - return; - WINS_CloseSocket (net_acceptsocket); - net_acceptsocket = -1; -} - -//============================================================================= - -int WINS_OpenSocket (int port) -{ - int newsocket; - struct sockaddr_in address; - u_long _true = 1; - - if ((newsocket = psocket (PF_INET, SOCK_DGRAM, IPPROTO_UDP)) == -1) - return -1; - - if (pioctlsocket (newsocket, FIONBIO, &_true) == -1) - goto ErrorReturn; - - address.sin_family = AF_INET; - address.sin_addr.s_addr = myAddr; - address.sin_port = htons((unsigned short)port); - if( bind (newsocket, (void *)&address, sizeof(address)) == 0) - return newsocket; - - Sys_Error ("Unable to bind to %s", WINS_AddrToString((struct qsockaddr *)&address)); -ErrorReturn: - pclosesocket (newsocket); - return -1; -} - -//============================================================================= - -int WINS_CloseSocket (int socket) -{ - if (socket == net_broadcastsocket) - net_broadcastsocket = 0; - return pclosesocket (socket); -} - - -//============================================================================= -/* -============ -PartialIPAddress - -this lets you type only as much of the net address as required, using -the local network components to fill in the rest -============ -*/ -static int PartialIPAddress (char *in, struct qsockaddr *hostaddr) -{ - char buff[256]; - char *b; - int addr; - int num; - int mask; - int run; - int port; - - buff[0] = '.'; - b = buff; - strcpy(buff+1, in); - if (buff[1] == '.') - b++; - - addr = 0; - mask=-1; - while (*b == '.') - { - b++; - num = 0; - run = 0; - while (!( *b < '0' || *b > '9')) - { - num = num*10 + *b++ - '0'; - if (++run > 3) - return -1; - } - if ((*b < '0' || *b > '9') && *b != '.' && *b != ':' && *b != 0) - return -1; - if (num < 0 || num > 255) - return -1; - mask<<=8; - addr = (addr<<8) + num; - } - - if (*b++ == ':') - port = Q_atoi(b); - else - port = net_hostport; - - hostaddr->sa_family = AF_INET; - ((struct sockaddr_in *)hostaddr)->sin_port = htons((short)port); - ((struct sockaddr_in *)hostaddr)->sin_addr.s_addr = (myAddr & htonl(mask)) | htonl(addr); - - return 0; -} -//============================================================================= - -int WINS_Connect (int socket, struct qsockaddr *addr) -{ - return 0; -} - -//============================================================================= - -int WINS_CheckNewConnections (void) -{ - char buf[4096]; - - if (net_acceptsocket == -1) - return -1; - - if (precvfrom (net_acceptsocket, buf, sizeof(buf), MSG_PEEK, NULL, NULL) > 0) - { - return net_acceptsocket; - } - return -1; -} - -//============================================================================= - -int WINS_Read (int socket, byte *buf, int len, struct qsockaddr *addr) -{ - int addrlen = sizeof (struct qsockaddr); - int ret; - - ret = precvfrom (socket, buf, len, 0, (struct sockaddr *)addr, &addrlen); - if (ret == -1) - { - int errno = pWSAGetLastError(); - - if (errno == WSAEWOULDBLOCK || errno == WSAECONNREFUSED) - return 0; - - } - return ret; -} - -//============================================================================= - -int WINS_MakeSocketBroadcastCapable (int socket) -{ - int i = 1; - - // make this socket broadcast capable - if (psetsockopt(socket, SOL_SOCKET, SO_BROADCAST, (char *)&i, sizeof(i)) < 0) - return -1; - net_broadcastsocket = socket; - - return 0; -} - -//============================================================================= - -int WINS_Broadcast (int socket, byte *buf, int len) -{ - int ret; - - if (socket != net_broadcastsocket) - { - if (net_broadcastsocket != 0) - Sys_Error("Attempted to use multiple broadcasts sockets\n"); - WINS_GetLocalAddress(); - ret = WINS_MakeSocketBroadcastCapable (socket); - if (ret == -1) - { - Con_Printf("Unable to make socket broadcast capable\n"); - return ret; - } - } - - return WINS_Write (socket, buf, len, &broadcastaddr); -} - -//============================================================================= - -int WINS_Write (int socket, byte *buf, int len, struct qsockaddr *addr) -{ - int ret; - - ret = psendto (socket, buf, len, 0, (struct sockaddr *)addr, sizeof(struct qsockaddr)); - if (ret == -1) - if (pWSAGetLastError() == WSAEWOULDBLOCK) - return 0; - - return ret; -} - -//============================================================================= - -char *WINS_AddrToString (struct qsockaddr *addr) -{ - static char buffer[22]; - int haddr; - - haddr = ntohl(((struct sockaddr_in *)addr)->sin_addr.s_addr); - sprintf(buffer, "%d.%d.%d.%d:%d", (haddr >> 24) & 0xff, (haddr >> 16) & 0xff, (haddr >> 8) & 0xff, haddr & 0xff, ntohs(((struct sockaddr_in *)addr)->sin_port)); - return buffer; -} - -//============================================================================= - -int WINS_StringToAddr (char *string, struct qsockaddr *addr) -{ - int ha1, ha2, ha3, ha4, hp; - int ipaddr; - - sscanf(string, "%d.%d.%d.%d:%d", &ha1, &ha2, &ha3, &ha4, &hp); - ipaddr = (ha1 << 24) | (ha2 << 16) | (ha3 << 8) | ha4; - - addr->sa_family = AF_INET; - ((struct sockaddr_in *)addr)->sin_addr.s_addr = htonl(ipaddr); - ((struct sockaddr_in *)addr)->sin_port = htons((unsigned short)hp); - return 0; -} - -//============================================================================= - -int WINS_GetSocketAddr (int socket, struct qsockaddr *addr) -{ - int addrlen = sizeof(struct qsockaddr); - unsigned int a; - - Q_memset(addr, 0, sizeof(struct qsockaddr)); - pgetsockname(socket, (struct sockaddr *)addr, &addrlen); - a = ((struct sockaddr_in *)addr)->sin_addr.s_addr; - if (a == 0 || a == inet_addr("127.0.0.1")) - ((struct sockaddr_in *)addr)->sin_addr.s_addr = myAddr; - - return 0; -} - -//============================================================================= - -int WINS_GetNameFromAddr (struct qsockaddr *addr, char *name) -{ - struct hostent *hostentry; - - hostentry = pgethostbyaddr ((char *)&((struct sockaddr_in *)addr)->sin_addr, sizeof(struct in_addr), AF_INET); - if (hostentry) - { - Q_strncpy (name, (char *)hostentry->h_name, NET_NAMELEN - 1); - return 0; - } - - Q_strcpy (name, WINS_AddrToString (addr)); - return 0; -} - -//============================================================================= - -int WINS_GetAddrFromName(char *name, struct qsockaddr *addr) -{ - struct hostent *hostentry; - - if (name[0] >= '0' && name[0] <= '9') - return PartialIPAddress (name, addr); - - hostentry = pgethostbyname (name); - if (!hostentry) - return -1; - - addr->sa_family = AF_INET; - ((struct sockaddr_in *)addr)->sin_port = htons((unsigned short)net_hostport); - ((struct sockaddr_in *)addr)->sin_addr.s_addr = *(int *)hostentry->h_addr_list[0]; - - return 0; -} - -//============================================================================= - -int WINS_AddrCompare (struct qsockaddr *addr1, struct qsockaddr *addr2) -{ - if (addr1->sa_family != addr2->sa_family) - return -1; - - if (((struct sockaddr_in *)addr1)->sin_addr.s_addr != ((struct sockaddr_in *)addr2)->sin_addr.s_addr) - return -1; - - if (((struct sockaddr_in *)addr1)->sin_port != ((struct sockaddr_in *)addr2)->sin_port) - return 1; - - return 0; -} - -//============================================================================= - -int WINS_GetSocketPort (struct qsockaddr *addr) -{ - return ntohs(((struct sockaddr_in *)addr)->sin_port); -} - - -int WINS_SetSocketPort (struct qsockaddr *addr, int port) -{ - ((struct sockaddr_in *)addr)->sin_port = htons((unsigned short)port); - return 0; -} - -//============================================================================= +/* +Copyright (C) 1996-1997 Id Software, Inc. + +This program 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. + +This program 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 this program; if not, write to the Free Software +Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +*/ +// net_wins.c + +#include "quakedef.h" +#include "winquake.h" + +extern cvar_t hostname; + +#define MAXHOSTNAMELEN 256 + +static int net_acceptsocket = -1; // socket for fielding new connections +static int net_controlsocket; +static int net_broadcastsocket = 0; +static struct qsockaddr broadcastaddr; + +static unsigned long myAddr; + +qboolean winsock_lib_initialized; + +int (PASCAL FAR *pWSAStartup)(WORD wVersionRequired, LPWSADATA lpWSAData); +int (PASCAL FAR *pWSACleanup)(void); +int (PASCAL FAR *pWSAGetLastError)(void); +SOCKET (PASCAL FAR *psocket)(int af, int type, int protocol); +int (PASCAL FAR *pioctlsocket)(SOCKET s, long cmd, u_long FAR *argp); +int (PASCAL FAR *psetsockopt)(SOCKET s, int level, int optname, + const char FAR * optval, int optlen); +int (PASCAL FAR *precvfrom)(SOCKET s, char FAR * buf, int len, int flags, + struct sockaddr FAR *from, int FAR * fromlen); +int (PASCAL FAR *psendto)(SOCKET s, const char FAR * buf, int len, int flags, + const struct sockaddr FAR *to, int tolen); +int (PASCAL FAR *pclosesocket)(SOCKET s); +int (PASCAL FAR *pgethostname)(char FAR * name, int namelen); +struct hostent FAR * (PASCAL FAR *pgethostbyname)(const char FAR * name); +struct hostent FAR * (PASCAL FAR *pgethostbyaddr)(const char FAR * addr, + int len, int type); +int (PASCAL FAR *pgetsockname)(SOCKET s, struct sockaddr FAR *name, + int FAR * namelen); + +#include "net_wins.h" + +int winsock_initialized = 0; +WSADATA winsockdata; + +//============================================================================= + +static double blocktime; + +BOOL PASCAL FAR BlockingHook(void) +{ + MSG msg; + BOOL ret; + + if ((Sys_FloatTime() - blocktime) > 2.0) + { + WSACancelBlockingCall(); + return FALSE; + } + + /* get the next message, if any */ + ret = (BOOL) PeekMessage(&msg, NULL, 0, 0, PM_REMOVE); + + /* if we got one, process it */ + if (ret) { + TranslateMessage(&msg); + DispatchMessage(&msg); + } + + /* TRUE if we got a message */ + return ret; +} + + +void WINS_GetLocalAddress() +{ + struct hostent *local = NULL; + char buff[MAXHOSTNAMELEN]; + unsigned long addr; + + if (myAddr != INADDR_ANY) + return; + + if (pgethostname(buff, MAXHOSTNAMELEN) == SOCKET_ERROR) + return; + + blocktime = Sys_FloatTime(); + WSASetBlockingHook(BlockingHook); + local = pgethostbyname(buff); + WSAUnhookBlockingHook(); + if (local == NULL) + return; + + myAddr = *(int *)local->h_addr_list[0]; + + addr = ntohl(myAddr); + sprintf(my_tcpip_address, "%d.%d.%d.%d", (addr >> 24) & 0xff, (addr >> 16) & 0xff, (addr >> 8) & 0xff, addr & 0xff); +} + + +int WINS_Init (void) +{ + int i; + char buff[MAXHOSTNAMELEN]; + char *p; + int r; + WORD wVersionRequested; + HINSTANCE hInst; + +// initialize the Winsock function vectors (we do this instead of statically linking +// so we can run on Win 3.1, where there isn't necessarily Winsock) + hInst = LoadLibrary("wsock32.dll"); + + if (hInst == NULL) + { + Con_SafePrintf ("Failed to load winsock.dll\n"); + winsock_lib_initialized = false; + return -1; + } + + winsock_lib_initialized = true; + + pWSAStartup = (void *)GetProcAddress(hInst, "WSAStartup"); + pWSACleanup = (void *)GetProcAddress(hInst, "WSACleanup"); + pWSAGetLastError = (void *)GetProcAddress(hInst, "WSAGetLastError"); + psocket = (void *)GetProcAddress(hInst, "socket"); + pioctlsocket = (void *)GetProcAddress(hInst, "ioctlsocket"); + psetsockopt = (void *)GetProcAddress(hInst, "setsockopt"); + precvfrom = (void *)GetProcAddress(hInst, "recvfrom"); + psendto = (void *)GetProcAddress(hInst, "sendto"); + pclosesocket = (void *)GetProcAddress(hInst, "closesocket"); + pgethostname = (void *)GetProcAddress(hInst, "gethostname"); + pgethostbyname = (void *)GetProcAddress(hInst, "gethostbyname"); + pgethostbyaddr = (void *)GetProcAddress(hInst, "gethostbyaddr"); + pgetsockname = (void *)GetProcAddress(hInst, "getsockname"); + + if (!pWSAStartup || !pWSACleanup || !pWSAGetLastError || + !psocket || !pioctlsocket || !psetsockopt || + !precvfrom || !psendto || !pclosesocket || + !pgethostname || !pgethostbyname || !pgethostbyaddr || + !pgetsockname) + { + Con_SafePrintf ("Couldn't GetProcAddress from winsock.dll\n"); + return -1; + } + + if (COM_CheckParm ("-noudp")) + return -1; + + if (winsock_initialized == 0) + { + wVersionRequested = MAKEWORD(1, 1); + + r = pWSAStartup (MAKEWORD(1, 1), &winsockdata); + + if (r) + { + Con_SafePrintf ("Winsock initialization failed.\n"); + return -1; + } + } + winsock_initialized++; + + // determine my name + if (pgethostname(buff, MAXHOSTNAMELEN) == SOCKET_ERROR) + { + Con_DPrintf ("Winsock TCP/IP Initialization failed.\n"); + if (--winsock_initialized == 0) + pWSACleanup (); + return -1; + } + + // if the quake hostname isn't set, set it to the machine name + if (Q_strcmp(hostname.string, "UNNAMED") == 0) + { + // see if it's a text IP address (well, close enough) + for (p = buff; *p; p++) + if ((*p < '0' || *p > '9') && *p != '.') + break; + + // if it is a real name, strip off the domain; we only want the host + if (*p) + { + for (i = 0; i < 15; i++) + if (buff[i] == '.') + break; + buff[i] = 0; + } + Cvar_Set ("hostname", buff); + } + + i = COM_CheckParm ("-ip"); + if (i) + { + if (i < com_argc-1) + { + myAddr = inet_addr(com_argv[i+1]); + if (myAddr == INADDR_NONE) + Sys_Error ("%s is not a valid IP address", com_argv[i+1]); + strcpy(my_tcpip_address, com_argv[i+1]); + } + else + { + Sys_Error ("NET_Init: you must specify an IP address after -ip"); + } + } + else + { + myAddr = INADDR_ANY; + strcpy(my_tcpip_address, "INADDR_ANY"); + } + + if ((net_controlsocket = WINS_OpenSocket (0)) == -1) + { + Con_Printf("WINS_Init: Unable to open control socket\n"); + if (--winsock_initialized == 0) + pWSACleanup (); + return -1; + } + + ((struct sockaddr_in *)&broadcastaddr)->sin_family = AF_INET; + ((struct sockaddr_in *)&broadcastaddr)->sin_addr.s_addr = INADDR_BROADCAST; + ((struct sockaddr_in *)&broadcastaddr)->sin_port = htons((unsigned short)net_hostport); + + Con_Printf("Winsock TCP/IP Initialized\n"); + tcpipAvailable = true; + + return net_controlsocket; +} + +//============================================================================= + +void WINS_Shutdown (void) +{ + WINS_Listen (false); + WINS_CloseSocket (net_controlsocket); + if (--winsock_initialized == 0) + pWSACleanup (); +} + +//============================================================================= + +void WINS_Listen (qboolean state) +{ + // enable listening + if (state) + { + if (net_acceptsocket != -1) + return; + WINS_GetLocalAddress(); + if ((net_acceptsocket = WINS_OpenSocket (net_hostport)) == -1) + Sys_Error ("WINS_Listen: Unable to open accept socket\n"); + return; + } + + // disable listening + if (net_acceptsocket == -1) + return; + WINS_CloseSocket (net_acceptsocket); + net_acceptsocket = -1; +} + +//============================================================================= + +int WINS_OpenSocket (int port) +{ + int newsocket; + struct sockaddr_in address; + u_long _true = 1; + + if ((newsocket = psocket (PF_INET, SOCK_DGRAM, IPPROTO_UDP)) == -1) + return -1; + + if (pioctlsocket (newsocket, FIONBIO, &_true) == -1) + goto ErrorReturn; + + address.sin_family = AF_INET; + address.sin_addr.s_addr = myAddr; + address.sin_port = htons((unsigned short)port); + if( bind (newsocket, (void *)&address, sizeof(address)) == 0) + return newsocket; + + Sys_Error ("Unable to bind to %s", WINS_AddrToString((struct qsockaddr *)&address)); +ErrorReturn: + pclosesocket (newsocket); + return -1; +} + +//============================================================================= + +int WINS_CloseSocket (int socket) +{ + if (socket == net_broadcastsocket) + net_broadcastsocket = 0; + return pclosesocket (socket); +} + + +//============================================================================= +/* +============ +PartialIPAddress + +this lets you type only as much of the net address as required, using +the local network components to fill in the rest +============ +*/ +static int PartialIPAddress (char *in, struct qsockaddr *hostaddr) +{ + char buff[256]; + char *b; + int addr; + int num; + int mask; + int run; + int port; + + buff[0] = '.'; + b = buff; + strcpy(buff+1, in); + if (buff[1] == '.') + b++; + + addr = 0; + mask=-1; + while (*b == '.') + { + b++; + num = 0; + run = 0; + while (!( *b < '0' || *b > '9')) + { + num = num*10 + *b++ - '0'; + if (++run > 3) + return -1; + } + if ((*b < '0' || *b > '9') && *b != '.' && *b != ':' && *b != 0) + return -1; + if (num < 0 || num > 255) + return -1; + mask<<=8; + addr = (addr<<8) + num; + } + + if (*b++ == ':') + port = Q_atoi(b); + else + port = net_hostport; + + hostaddr->sa_family = AF_INET; + ((struct sockaddr_in *)hostaddr)->sin_port = htons((short)port); + ((struct sockaddr_in *)hostaddr)->sin_addr.s_addr = (myAddr & htonl(mask)) | htonl(addr); + + return 0; +} +//============================================================================= + +int WINS_Connect (int socket, struct qsockaddr *addr) +{ + return 0; +} + +//============================================================================= + +int WINS_CheckNewConnections (void) +{ + char buf[4096]; + + if (net_acceptsocket == -1) + return -1; + + if (precvfrom (net_acceptsocket, buf, sizeof(buf), MSG_PEEK, NULL, NULL) > 0) + { + return net_acceptsocket; + } + return -1; +} + +//============================================================================= + +int WINS_Read (int socket, byte *buf, int len, struct qsockaddr *addr) +{ + int addrlen = sizeof (struct qsockaddr); + int ret; + + ret = precvfrom (socket, buf, len, 0, (struct sockaddr *)addr, &addrlen); + if (ret == -1) + { + int errno = pWSAGetLastError(); + + if (errno == WSAEWOULDBLOCK || errno == WSAECONNREFUSED) + return 0; + + } + return ret; +} + +//============================================================================= + +int WINS_MakeSocketBroadcastCapable (int socket) +{ + int i = 1; + + // make this socket broadcast capable + if (psetsockopt(socket, SOL_SOCKET, SO_BROADCAST, (char *)&i, sizeof(i)) < 0) + return -1; + net_broadcastsocket = socket; + + return 0; +} + +//============================================================================= + +int WINS_Broadcast (int socket, byte *buf, int len) +{ + int ret; + + if (socket != net_broadcastsocket) + { + if (net_broadcastsocket != 0) + Sys_Error("Attempted to use multiple broadcasts sockets\n"); + WINS_GetLocalAddress(); + ret = WINS_MakeSocketBroadcastCapable (socket); + if (ret == -1) + { + Con_Printf("Unable to make socket broadcast capable\n"); + return ret; + } + } + + return WINS_Write (socket, buf, len, &broadcastaddr); +} + +//============================================================================= + +int WINS_Write (int socket, byte *buf, int len, struct qsockaddr *addr) +{ + int ret; + + ret = psendto (socket, buf, len, 0, (struct sockaddr *)addr, sizeof(struct qsockaddr)); + if (ret == -1) + if (pWSAGetLastError() == WSAEWOULDBLOCK) + return 0; + + return ret; +} + +//============================================================================= + +char *WINS_AddrToString (struct qsockaddr *addr) +{ + static char buffer[22]; + int haddr; + + haddr = ntohl(((struct sockaddr_in *)addr)->sin_addr.s_addr); + sprintf(buffer, "%d.%d.%d.%d:%d", (haddr >> 24) & 0xff, (haddr >> 16) & 0xff, (haddr >> 8) & 0xff, haddr & 0xff, ntohs(((struct sockaddr_in *)addr)->sin_port)); + return buffer; +} + +//============================================================================= + +int WINS_StringToAddr (char *string, struct qsockaddr *addr) +{ + int ha1, ha2, ha3, ha4, hp; + int ipaddr; + + sscanf(string, "%d.%d.%d.%d:%d", &ha1, &ha2, &ha3, &ha4, &hp); + ipaddr = (ha1 << 24) | (ha2 << 16) | (ha3 << 8) | ha4; + + addr->sa_family = AF_INET; + ((struct sockaddr_in *)addr)->sin_addr.s_addr = htonl(ipaddr); + ((struct sockaddr_in *)addr)->sin_port = htons((unsigned short)hp); + return 0; +} + +//============================================================================= + +int WINS_GetSocketAddr (int socket, struct qsockaddr *addr) +{ + int addrlen = sizeof(struct qsockaddr); + unsigned int a; + + Q_memset(addr, 0, sizeof(struct qsockaddr)); + pgetsockname(socket, (struct sockaddr *)addr, &addrlen); + a = ((struct sockaddr_in *)addr)->sin_addr.s_addr; + if (a == 0 || a == inet_addr("127.0.0.1")) + ((struct sockaddr_in *)addr)->sin_addr.s_addr = myAddr; + + return 0; +} + +//============================================================================= + +int WINS_GetNameFromAddr (struct qsockaddr *addr, char *name) +{ + struct hostent *hostentry; + + hostentry = pgethostbyaddr ((char *)&((struct sockaddr_in *)addr)->sin_addr, sizeof(struct in_addr), AF_INET); + if (hostentry) + { + Q_strncpy (name, (char *)hostentry->h_name, NET_NAMELEN - 1); + return 0; + } + + Q_strcpy (name, WINS_AddrToString (addr)); + return 0; +} + +//============================================================================= + +int WINS_GetAddrFromName(char *name, struct qsockaddr *addr) +{ + struct hostent *hostentry; + + if (name[0] >= '0' && name[0] <= '9') + return PartialIPAddress (name, addr); + + hostentry = pgethostbyname (name); + if (!hostentry) + return -1; + + addr->sa_family = AF_INET; + ((struct sockaddr_in *)addr)->sin_port = htons((unsigned short)net_hostport); + ((struct sockaddr_in *)addr)->sin_addr.s_addr = *(int *)hostentry->h_addr_list[0]; + + return 0; +} + +//============================================================================= + +int WINS_AddrCompare (struct qsockaddr *addr1, struct qsockaddr *addr2) +{ + if (addr1->sa_family != addr2->sa_family) + return -1; + + if (((struct sockaddr_in *)addr1)->sin_addr.s_addr != ((struct sockaddr_in *)addr2)->sin_addr.s_addr) + return -1; + + if (((struct sockaddr_in *)addr1)->sin_port != ((struct sockaddr_in *)addr2)->sin_port) + return 1; + + return 0; +} + +//============================================================================= + +int WINS_GetSocketPort (struct qsockaddr *addr) +{ + return ntohs(((struct sockaddr_in *)addr)->sin_port); +} + + +int WINS_SetSocketPort (struct qsockaddr *addr, int port) +{ + ((struct sockaddr_in *)addr)->sin_port = htons((unsigned short)port); + return 0; +} + +//============================================================================= -- cgit v1.2.3