19fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream/* 29fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamCopyright (C) 1996-1997 Id Software, Inc. 39fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 49fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamThis program is free software; you can redistribute it and/or 59fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreammodify it under the terms of the GNU General Public License 69fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamas published by the Free Software Foundation; either version 2 79fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamof the License, or (at your option) any later version. 89fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 99fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamThis program is distributed in the hope that it will be useful, 109fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreambut WITHOUT ANY WARRANTY; without even the implied warranty of 119fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamMERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 129fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 139fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamSee the GNU General Public License for more details. 149fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 159fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamYou should have received a copy of the GNU General Public License 169fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamalong with this program; if not, write to the Free Software 179fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamFoundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 189fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 199fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream*/ 209fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream// net_mpath.c 219fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 229fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream#include <dpmi.h> 239fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream#include "quakedef.h" 249fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream#include "mpdosock.h" 259fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 269fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamshort flat_selector; 279fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 289fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamint WSAGetLastError(void); 299fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamvoid sockets_flush(void); 309fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 319fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamextern cvar_t hostname; 329fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 339fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream#define MAXHOSTNAMELEN 256 349fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 359fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamstatic int net_acceptsocket = -1; // socket for fielding new connections 369fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamstatic int net_controlsocket; 379fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamstatic int net_broadcastsocket = 0; 389fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream//static qboolean ifbcastinit = false; 399fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamstatic struct qsockaddr broadcastaddr; 409fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 419fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamstatic unsigned long myAddr; 429fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 439fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream#include "net_mp.h" 449fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 459fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 469fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream//============================================================================= 479fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 489fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamint MPATH_Init (void) 499fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream{ 509fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream int i; 519fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream struct hostent *local = NULL; 529fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream char buff[MAXHOSTNAMELEN]; 539fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream struct qsockaddr addr; 549fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream char *p; 559fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 569fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (COM_CheckParm ("-mpath") == 0) 579fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream return -1; 589fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 599fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream flat_selector = __dpmi_allocate_ldt_descriptors(1); 609fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (flat_selector == -1) { 619fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream Con_Printf("MPATH_Init: Can't get flat selector\n"); 629fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream return -1; 639fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 649fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (__dpmi_set_segment_base_address(flat_selector, 0) == -1) { 659fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream Con_Printf("MPATH_Init: Can't seg flat base!\n"); 669fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream return -1; 679fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 689fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (__dpmi_set_segment_limit(flat_selector, 0xffffffff) == -1) { 699fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream Con_Printf("MPATH_Init: Can't set segment limit\n"); 709fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream return -1; 719fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 729fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream // determine my name & address 739fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (gethostname(buff, MAXHOSTNAMELEN) == 0) 749fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream local = gethostbyname(buff); 759fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (local) 769fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 779fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream myAddr = *(int *)local->h_addr_list[0]; 789fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 799fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream // if the quake hostname isn't set, set it to the machine name 809fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (Q_strcmp(hostname.string, "UNNAMED") == 0) 819fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 829fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream // see if it's a text IP address (well, close enough) 839fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream for (p = buff; *p; p++) 849fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if ((*p < '0' || *p > '9') && *p != '.') 859fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream break; 869fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 879fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream // if it is a real name, strip off the domain; we only want the host 889fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (*p) 899fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 909fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream for (i = 0; i < 15; i++) 919fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (buff[i] == '.') 929fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream break; 939fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream buff[i] = 0; 949fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 959fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream Cvar_Set ("hostname", buff); 969fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 979fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 989fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 999fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if ((net_controlsocket = MPATH_OpenSocket (0)) == -1) 1009fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream Sys_Error("MPATH_Init: Unable to open control socket\n"); 1019fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 1029fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream ((struct sockaddr_in *)&broadcastaddr)->sin_family = AF_INET; 1039fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream ((struct sockaddr_in *)&broadcastaddr)->sin_addr.s_addr = INADDR_BROADCAST; 1049fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream ((struct sockaddr_in *)&broadcastaddr)->sin_port = htons(net_hostport); 1059fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 1069fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream MPATH_GetSocketAddr (net_controlsocket, &addr); 1079fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream Q_strcpy(my_tcpip_address, MPATH_AddrToString (&addr)); 1089fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream p = Q_strrchr (my_tcpip_address, ':'); 1099fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (p) 1109fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream *p = 0; 1119fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 1129fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream Con_Printf("MPath Initialized\n"); 1139fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream tcpipAvailable = true; 1149fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 1159fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream return net_controlsocket; 1169fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream} 1179fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 1189fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream//============================================================================= 1199fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 1209fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamvoid MPATH_Shutdown (void) 1219fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream{ 1229fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream MPATH_Listen (false); 1239fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream MPATH_CloseSocket (net_controlsocket); 1249fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream} 1259fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 1269fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream//============================================================================= 1279fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 1289fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamvoid MPATH_Listen (qboolean state) 1299fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream{ 1309fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream // enable listening 1319fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (state) 1329fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 1339fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (net_acceptsocket != -1) 1349fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream return; 1359fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if ((net_acceptsocket = MPATH_OpenSocket (net_hostport)) == -1) 1369fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream Sys_Error ("MPATH_Listen: Unable to open accept socket\n"); 1379fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream return; 1389fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 1399fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 1409fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream // disable listening 1419fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (net_acceptsocket == -1) 1429fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream return; 1439fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream MPATH_CloseSocket (net_acceptsocket); 1449fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream net_acceptsocket = -1; 1459fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream} 1469fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 1479fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream//============================================================================= 1489fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 1499fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamint MPATH_OpenSocket (int port) 1509fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream{ 1519fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream int newsocket; 1529fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream struct sockaddr_in address; 1539fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream u_long _true = 1; 1549fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 1559fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if ((newsocket = socket (PF_INET, SOCK_DGRAM, IPPROTO_UDP)) == -1) 1569fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream return -1; 1579fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 1589fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (ioctlsocket (newsocket, FIONBIO, &_true) == -1) 1599fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream goto ErrorReturn; 1609fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 1619fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream address.sin_family = AF_INET; 1629fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream address.sin_addr.s_addr = INADDR_ANY; 1639fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream address.sin_port = htons(port); 1649fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if( bind (newsocket, (void *)&address, sizeof(address)) == -1) 1659fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream goto ErrorReturn; 1669fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 1679fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream return newsocket; 1689fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 1699fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamErrorReturn: 1709fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream closesocket (newsocket); 1719fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream return -1; 1729fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream} 1739fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 1749fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream//============================================================================= 1759fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 1769fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamint MPATH_CloseSocket (int socket) 1779fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream{ 1789fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (socket == net_broadcastsocket) 1799fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream net_broadcastsocket = 0; 1809fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream return closesocket (socket); 1819fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream} 1829fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 1839fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 1849fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream//============================================================================= 1859fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream/* 1869fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream============ 1879fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamPartialIPAddress 1889fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 1899fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamthis lets you type only as much of the net address as required, using 1909fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamthe local network components to fill in the rest 1919fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream============ 1929fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream*/ 1939fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamstatic int PartialIPAddress (char *in, struct qsockaddr *hostaddr) 1949fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream{ 1959fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream char buff[256]; 1969fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream char *b; 1979fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream int addr; 1989fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream int num; 1999fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream int mask; 2009fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream int run; 2019fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream int port; 2029fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2039fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream buff[0] = '.'; 2049fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream b = buff; 2059fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream strcpy(buff+1, in); 2069fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (buff[1] == '.') 2079fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream b++; 2089fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2099fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream addr = 0; 2109fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream mask=-1; 2119fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream while (*b == '.') 2129fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 2139fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream b++; 2149fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream num = 0; 2159fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream run = 0; 2169fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream while (!( *b < '0' || *b > '9')) 2179fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 2189fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream num = num*10 + *b++ - '0'; 2199fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (++run > 3) 2209fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream return -1; 2219fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 2229fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if ((*b < '0' || *b > '9') && *b != '.' && *b != ':' && *b != 0) 2239fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream return -1; 2249fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (num < 0 || num > 255) 2259fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream return -1; 2269fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream mask<<=8; 2279fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream addr = (addr<<8) + num; 2289fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 2299fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2309fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (*b++ == ':') 2319fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream port = Q_atoi(b); 2329fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream else 2339fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream port = net_hostport; 2349fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2359fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream hostaddr->sa_family = AF_INET; 2369fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream ((struct sockaddr_in *)hostaddr)->sin_port = htons((short)port); 2379fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream ((struct sockaddr_in *)hostaddr)->sin_addr.s_addr = (myAddr & htonl(mask)) | htonl(addr); 2389fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2399fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream return 0; 2409fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream} 2419fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream//============================================================================= 2429fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2439fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamint MPATH_Connect (int socket, struct qsockaddr *addr) 2449fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream{ 2459fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream return 0; 2469fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream} 2479fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2489fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream//============================================================================= 2499fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2509fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamint MPATH_CheckNewConnections (void) 2519fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream{ 2529fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream char buf[4]; 2539fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2549fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (net_acceptsocket == -1) 2559fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream return -1; 2569fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2579fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (recvfrom (net_acceptsocket, buf, 4, MSG_PEEK, NULL, NULL) > 0) 2589fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream return net_acceptsocket; 2599fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream return -1; 2609fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream} 2619fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2629fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream//============================================================================= 2639fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2649fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamint MPATH_Read (int socket, byte *buf, int len, struct qsockaddr *addr) 2659fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream{ 2669fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream int addrlen = sizeof (struct qsockaddr); 2679fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream int ret; 2689fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2699fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream ret = recvfrom (socket, buf, len, 0, (struct sockaddr *)addr, &addrlen); 2709fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (ret == -1) 2719fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 2729fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream int errno = WSAGetLastError(); 2739fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2749fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (errno == WSAEWOULDBLOCK || errno == WSAECONNREFUSED) 2759fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream return 0; 2769fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2779fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 2789fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream return ret; 2799fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream} 2809fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2819fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream//============================================================================= 2829fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2839fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamint MPATH_MakeSocketBroadcastCapable (int socket) 2849fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream{ 2859fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream int i = 1; 2869fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2879fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream // make this socket broadcast capable 2889fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (setsockopt(socket, SOL_SOCKET, SO_BROADCAST, (char *)&i, sizeof(i)) < 0) 2899fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream return -1; 2909fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream net_broadcastsocket = socket; 2919fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2929fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream return 0; 2939fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream} 2949fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2959fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream//============================================================================= 2969fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2979fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamint MPATH_Broadcast (int socket, byte *buf, int len) 2989fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream{ 2999fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream int ret; 3009fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 3019fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (socket != net_broadcastsocket) 3029fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 3039fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (net_broadcastsocket != 0) 3049fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream Sys_Error("Attempted to use multiple broadcasts sockets\n"); 3059fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream ret = MPATH_MakeSocketBroadcastCapable (socket); 3069fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (ret == -1) 3079fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 3089fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream Con_Printf("Unable to make socket broadcast capable\n"); 3099fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream return ret; 3109fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 3119fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 3129fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 3139fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream return MPATH_Write (socket, buf, len, &broadcastaddr); 3149fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream} 3159fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 3169fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream//============================================================================= 3179fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 3189fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamint MPATH_Write (int socket, byte *buf, int len, struct qsockaddr *addr) 3199fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream{ 3209fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream int ret; 3219fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 3229fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream ret = sendto (socket, buf, len, 0, (struct sockaddr *)addr, sizeof(struct qsockaddr)); 3239fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (ret == -1) 3249fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (WSAGetLastError() == WSAEWOULDBLOCK) 3259fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream return 0; 3269fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 3279fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream sockets_flush(); 3289fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 3299fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream return ret; 3309fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream} 3319fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 3329fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream//============================================================================= 3339fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 3349fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamchar *MPATH_AddrToString (struct qsockaddr *addr) 3359fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream{ 3369fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream static char buffer[22]; 3379fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream int haddr; 3389fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 3399fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream haddr = ntohl(((struct sockaddr_in *)addr)->sin_addr.s_addr); 3409fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 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)); 3419fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream return buffer; 3429fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream} 3439fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 3449fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream//============================================================================= 3459fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 3469fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamint MPATH_StringToAddr (char *string, struct qsockaddr *addr) 3479fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream{ 3489fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream int ha1, ha2, ha3, ha4, hp; 3499fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream int ipaddr; 3509fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 3519fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream sscanf(string, "%d.%d.%d.%d:%d", &ha1, &ha2, &ha3, &ha4, &hp); 3529fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream ipaddr = (ha1 << 24) | (ha2 << 16) | (ha3 << 8) | ha4; 3539fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 3549fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream addr->sa_family = AF_INET; 3559fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream ((struct sockaddr_in *)addr)->sin_addr.s_addr = htonl(ipaddr); 3569fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream ((struct sockaddr_in *)addr)->sin_port = htons(hp); 3579fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream return 0; 3589fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream} 3599fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 3609fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream//============================================================================= 3619fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 3629fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamint MPATH_GetSocketAddr (int socket, struct qsockaddr *addr) 3639fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream{ 3649fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream int addrlen = sizeof(struct qsockaddr); 3659fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream unsigned int a; 3669fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 3679fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream Q_memset(addr, 0, sizeof(struct qsockaddr)); 3689fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream getsockname(socket, (struct sockaddr *)addr, &addrlen); 3699fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream a = ((struct sockaddr_in *)addr)->sin_addr.s_addr; 3709fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (a == 0 || a == inet_addr("127.0.0.1")) 3719fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream ((struct sockaddr_in *)addr)->sin_addr.s_addr = myAddr; 3729fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 3739fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream return 0; 3749fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream} 3759fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 3769fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream//============================================================================= 3779fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 3789fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamint MPATH_GetNameFromAddr (struct qsockaddr *addr, char *name) 3799fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream{ 3809fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream struct hostent *hostentry; 3819fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 3829fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream hostentry = gethostbyaddr ((char *)&((struct sockaddr_in *)addr)->sin_addr, sizeof(struct in_addr), AF_INET); 3839fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (hostentry) 3849fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 3859fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream Q_strncpy (name, (char *)hostentry->h_name, NET_NAMELEN - 1); 3869fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream return 0; 3879fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 3889fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 3899fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream Q_strcpy (name, MPATH_AddrToString (addr)); 3909fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream return 0; 3919fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream} 3929fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 3939fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream//============================================================================= 3949fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 3959fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamint MPATH_GetAddrFromName(char *name, struct qsockaddr *addr) 3969fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream{ 3979fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream struct hostent *hostentry; 3989fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 3999fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (name[0] >= '0' && name[0] <= '9') 4009fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream return PartialIPAddress (name, addr); 4019fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 4029fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream hostentry = gethostbyname (name); 4039fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (!hostentry) 4049fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream return -1; 4059fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 4069fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream addr->sa_family = AF_INET; 4079fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream ((struct sockaddr_in *)addr)->sin_port = htons(net_hostport); 4089fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream ((struct sockaddr_in *)addr)->sin_addr.s_addr = *(int *)hostentry->h_addr_list[0]; 4099fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 4109fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream return 0; 4119fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream} 4129fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 4139fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream//============================================================================= 4149fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 4159fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamint MPATH_AddrCompare (struct qsockaddr *addr1, struct qsockaddr *addr2) 4169fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream{ 4179fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (addr1->sa_family != addr2->sa_family) 4189fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream return -1; 4199fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 4209fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (((struct sockaddr_in *)addr1)->sin_addr.s_addr != ((struct sockaddr_in *)addr2)->sin_addr.s_addr) 4219fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream return -1; 4229fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 4239fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (((struct sockaddr_in *)addr1)->sin_port != ((struct sockaddr_in *)addr2)->sin_port) 4249fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream return 1; 4259fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 4269fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream return 0; 4279fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream} 4289fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 4299fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream//============================================================================= 4309fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 4319fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamint MPATH_GetSocketPort (struct qsockaddr *addr) 4329fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream{ 4339fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream return ntohs(((struct sockaddr_in *)addr)->sin_port); 4349fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream} 4359fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 4369fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 4379fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamint MPATH_SetSocketPort (struct qsockaddr *addr, int port) 4389fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream{ 4399fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream ((struct sockaddr_in *)addr)->sin_port = htons(port); 4409fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream return 0; 4419fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream} 4429fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 4439fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream//============================================================================= 444