+++ /dev/null
-/*
-Copyright (C) 1999-2006 Id Software, Inc. and contributors.
-For a list of contributors, see the accompanying CONTRIBUTORS file.
-
-This file is part of GtkRadiant.
-
-GtkRadiant 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.
-
-GtkRadiant 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 GtkRadiant; if not, write to the Free Software
-Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-*/
-
-//===========================================================================
-//
-// Name: l_net_wins.c
-// Function: WinSock
-// Programmer: MrElusive
-// Last update: TTimo: cross-platform version, l_net library
-// Tab Size: 2
-// Notes:
-//===========================================================================
-
-//#include <windows.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include "l_net.h"
-#include "l_net_wins.h"
-
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <sys/ioctl.h>
-#include <netinet/in.h>
-#include <netinet/tcp.h>
-#include <arpa/inet.h>
-#include <errno.h>
-#include <netdb.h>
-#include <unistd.h>
-#include <stdarg.h>
-#include <stdio.h>
-#define SOCKET_ERROR -1
-#define INVALID_SOCKET -1
-
-#define WinError WinPrint
-
-#define qtrue 1
-#define qfalse 0
-
-#define ioctlsocket ioctl
-#define closesocket close
-
-int WSAGetLastError()
-{
- return errno;
-}
-
-/*
-typedef struct tag_error_struct
-{
- int errnum;
- LPSTR errstr;
-} ERROR_STRUCT;
-*/
-
-typedef struct tag_error_struct
-{
- int errnum;
- const char *errstr;
-} ERROR_STRUCT;
-
-#define NET_NAMELEN 64
-
-static char my_tcpip_address[NET_NAMELEN];
-
-#define DEFAULTnet_hostport 26000
-
-#define MAXHOSTNAMELEN 256
-
-static int net_acceptsocket = -1; // socket for fielding new connections
-static int net_controlsocket;
-static int net_hostport; // udp port number for acceptsocket
-static int net_broadcastsocket = 0;
-//static qboolean ifbcastinit = qfalse;
-//static struct sockaddr_s broadcastaddr;
-static struct sockaddr_s broadcastaddr;
-
-static unsigned long myAddr;
-
-ERROR_STRUCT errlist[] = {
- {EACCES,"EACCES - The address is protected, user is not root"},
- {EAGAIN,"EAGAIN - Operation on non-blocking socket that cannot return immediatly"},
- {EBADF, "EBADF - sockfd is not a valid descriptor"},
- {EFAULT, "EFAULT - The parameter is not in a writable part of the user address space"},
- {EINVAL,"EINVAL - The socket is already bound to an address"},
- {ENOBUFS,"ENOBUFS - not enough memory"},
- {ENOMEM, "ENOMEM - not enough memory"},
- {ENOTCONN, "ENOTCONN - not connected"},
- {ENOTSOCK,"ENOTSOCK - Argument is file descriptor not a socket"},
- {EOPNOTSUPP,"ENOTSUPP - The referenced socket is not of type SOCK_STREAM"},
- {EPERM, "EPERM - Firewall rules forbid connection"},
- {-1, NULL}
-};
-
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-const char *WINS_ErrorMessage(int error)
-{
- int search = 0;
-
- if (!error) return "No error occurred";
-
- for (search = 0; errlist[search].errstr; search++)
- {
- if (error == errlist[search].errnum)
- return errlist[search].errstr;
- } //end for
-
- return "Unknown error";
-} //end of the function WINS_ErrorMessage
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-int WINS_Init(void)
-{
- int i;
- struct hostent *local;
- char buff[MAXHOSTNAMELEN];
- struct sockaddr_s addr;
- char *p;
-/*
- linux doesn't have anything to initialize for the net
- "Windows .. built for the internet .. the internet .. built with unix"
- */
-#if 0
- WORD wVersionRequested;
-
- wVersionRequested = MAKEWORD(2, 2);
-
- r = WSAStartup (wVersionRequested, &winsockdata);
-
- if (r)
- {
- WinPrint("Winsock initialization failed.\n");
- return -1;
- }
-#endif
- /*
- i = COM_CheckParm ("-udpport");
- if (i == 0)*/
- net_hostport = DEFAULTnet_hostport;
- /*
- else if (i < com_argc-1)
- net_hostport = Q_atoi (com_argv[i+1]);
- else
- Sys_Error ("WINS_Init: you must specify a number after -udpport");
- */
-
- // determine my name & address
- gethostname(buff, MAXHOSTNAMELEN);
- local = gethostbyname(buff);
- myAddr = *(int *)local->h_addr_list[0];
-
- // 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);
- }
-
- //++timo WTF is that net_controlsocket? it's sole purpose is to retrieve the local IP?
- if ((net_controlsocket = WINS_OpenSocket (0)) == SOCKET_ERROR)
- WinError("WINS_Init: Unable to open control socket\n");
-
- ((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((u_short)net_hostport);
-
- WINS_GetSocketAddr (net_controlsocket, &addr);
- strcpy(my_tcpip_address, WINS_AddrToString (&addr));
- p = strrchr (my_tcpip_address, ':');
- if (p) *p = 0;
- WinPrint("Winsock Initialized\n");
-
- return net_controlsocket;
-} //end of the function WINS_Init
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-char *WINS_MyAddress(void)
-{
- return my_tcpip_address;
-} //end of the function WINS_MyAddress
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-void WINS_Shutdown(void)
-{
- //WINS_Listen(0);
- WINS_CloseSocket(net_controlsocket);
-// WSACleanup();
- //
- //WinPrint("Winsock Shutdown\n");
-} //end of the function WINS_Shutdown
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-/*
-void WINS_Listen(int state)
-{
- // enable listening
- if (state)
- {
- if (net_acceptsocket != -1)
- return;
- if ((net_acceptsocket = WINS_OpenSocket (net_hostport)) == -1)
- WinError ("WINS_Listen: Unable to open accept socket\n");
- return;
- }
-
- // disable listening
- if (net_acceptsocket == -1)
- return;
- WINS_CloseSocket (net_acceptsocket);
- net_acceptsocket = -1;
-} //end of the function WINS_Listen*/
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-int WINS_OpenSocket(int port)
-{
- int newsocket;
- struct sockaddr_in address;
- u_long _true = 1;
-
- if ((newsocket = socket (PF_INET, SOCK_DGRAM, IPPROTO_UDP)) == SOCKET_ERROR)
- {
- WinPrint("WINS_OpenSocket: %s\n", WINS_ErrorMessage(WSAGetLastError()));
- return -1;
- } //end if
-
- if (ioctlsocket (newsocket, FIONBIO, &_true) == SOCKET_ERROR)
- {
- WinPrint("WINS_OpenSocket: %s\n", WINS_ErrorMessage(WSAGetLastError()));
- closesocket(newsocket);
- return -1;
- } //end if
-
- memset((char *) &address, 0, sizeof(address));
- address.sin_family = AF_INET;
- address.sin_addr.s_addr = INADDR_ANY;
- address.sin_port = htons((u_short)port);
- if( bind (newsocket, (void *)&address, sizeof(address)) == -1)
- {
- WinPrint("WINS_OpenSocket: %s\n", WINS_ErrorMessage(WSAGetLastError()));
- closesocket(newsocket);
- return -1;
- } //end if
-
- return newsocket;
-} //end of the function WINS_OpenSocket
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-int WINS_OpenReliableSocket(int port)
-{
- int newsocket;
- struct sockaddr_in address;
- qboolean _true = 0xFFFFFFFF;
-
- //IPPROTO_TCP
- //
- if ((newsocket = socket(AF_INET, SOCK_STREAM, 0)) == -1)
- {
- WinPrint("WINS_OpenReliableSocket: %s\n", WINS_ErrorMessage(WSAGetLastError()));
- return -1;
- } //end if
-
- memset((char *) &address, 0, sizeof(address));
- address.sin_family = AF_INET;
- address.sin_addr.s_addr = htonl(INADDR_ANY);
- address.sin_port = htons((u_short)port);
- if (bind(newsocket, (void *)&address, sizeof(address)) == -1)
- {
- WinPrint("WINS_OpenReliableSocket: %s\n", WINS_ErrorMessage(WSAGetLastError()));
- closesocket(newsocket);
- return -1;
- } //end if
-
- //
- if (setsockopt(newsocket, IPPROTO_TCP, TCP_NODELAY, (void *) &_true, sizeof(int)) == -1)
- {
- WinPrint("WINS_OpenReliableSocket: %s\n", WINS_ErrorMessage(WSAGetLastError()));
- WinPrint("setsockopt error\n");
- } //end if
-
- return newsocket;
-} //end of the function WINS_OpenReliableSocket
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-int WINS_Listen(int socket)
-{
- u_long _true = 1;
-
- if (ioctlsocket(socket, FIONBIO, &_true) == -1)
- {
- WinPrint("WINS_Listen: %s\n", WINS_ErrorMessage(WSAGetLastError()));
- return -1;
- } //end if
- if (listen(socket, SOMAXCONN) == SOCKET_ERROR)
- {
- WinPrint("WINS_Listen: %s\n", WINS_ErrorMessage(WSAGetLastError()));
- return -1;
- } //end if
- return 0;
-} //end of the function WINS_Listen
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-int WINS_Accept(int socket, struct sockaddr_s *addr)
-{
- socklen_t addrlen = sizeof (struct sockaddr_s);
- int newsocket;
- qboolean _true = 1;
-
- newsocket = accept(socket, (struct sockaddr *)addr, &addrlen);
- if (newsocket == INVALID_SOCKET)
- {
- if (errno == EAGAIN) return -1;
- WinPrint("WINS_Accept: %s\n", WINS_ErrorMessage(WSAGetLastError()));
- return -1;
- } //end if
- //
- if (setsockopt(newsocket, IPPROTO_TCP, TCP_NODELAY, (void *) &_true, sizeof(int)) == SOCKET_ERROR)
- {
- WinPrint("WINS_Accept: %s\n", WINS_ErrorMessage(WSAGetLastError()));
- WinPrint("setsockopt error\n");
- } //end if
- return newsocket;
-} //end of the function WINS_Accept
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-int WINS_CloseSocket(int socket)
-{
- /*
- if (socket == net_broadcastsocket)
- net_broadcastsocket = 0;
- */
-// shutdown(socket, SD_SEND);
-
- if (closesocket(socket) == SOCKET_ERROR)
- {
- WinPrint("WINS_CloseSocket: %s\n", WINS_ErrorMessage(WSAGetLastError()));
- return SOCKET_ERROR;
- } //end if
- return 0;
-} //end of the function WINS_CloseSocket
-//===========================================================================
-// this lets you type only as much of the net address as required, using
-// the local network components to fill in the rest
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-static int PartialIPAddress (char *in, struct sockaddr_s *hostaddr)
-{
- char buff[256];
- char *b;
- int addr;
- int num;
- int mask;
-
- buff[0] = '.';
- b = buff;
- strcpy(buff+1, in);
- if (buff[1] == '.') b++;
-
- addr = 0;
- mask=-1;
- while (*b == '.')
- {
- num = 0;
- if (*++b < '0' || *b > '9') return -1;
- while (!( *b < '0' || *b > '9'))
- num = num*10 + *(b++) - '0';
- mask<<=8;
- addr = (addr<<8) + num;
- }
-
- hostaddr->sa_family = AF_INET;
- ((struct sockaddr_in *)hostaddr)->sin_port = htons((u_short)net_hostport);
- ((struct sockaddr_in *)hostaddr)->sin_addr.s_addr = (myAddr & htonl(mask)) | htonl(addr);
-
- return 0;
-} //end of the function PartialIPAddress
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-int WINS_Connect(int socket, struct sockaddr_s *addr)
-{
- int ret;
- u_long _true2 = 0xFFFFFFFF;
-
- ret = connect(socket, (struct sockaddr *)addr, sizeof(struct sockaddr_s));
- if (ret == SOCKET_ERROR)
- {
- WinPrint("WINS_Connect: %s\n", WINS_ErrorMessage(WSAGetLastError()));
- return -1;
- } //end if
- if (ioctlsocket(socket, FIONBIO, &_true2) == -1)
- {
- WinPrint("WINS_Connect: %s\n", WINS_ErrorMessage(WSAGetLastError()));
- return -1;
- } //end if
- return 0;
-} //end of the function WINS_Connect
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-int WINS_CheckNewConnections(void)
-{
- char buf[4];
-
- if (net_acceptsocket == -1)
- return -1;
-
- if (recvfrom(net_acceptsocket, buf, 4, MSG_PEEK, NULL, NULL) > 0)
- return net_acceptsocket;
- return -1;
-} //end of the function WINS_CheckNewConnections
-//===========================================================================
-// returns the number of bytes read
-// 0 if no bytes available
-// -1 on failure
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-int WINS_Read(int socket, byte *buf, int len, struct sockaddr_s *addr)
-{
- socklen_t addrlen = sizeof (struct sockaddr_s);
- int ret;
-
- if (addr)
- {
- ret = recvfrom(socket, buf, len, 0, (struct sockaddr *)addr, &addrlen);
- if (ret == -1)
- {
-// errno = WSAGetLastError();
-
- if (errno == EAGAIN || errno == ENOTCONN)
- return 0;
- } //end if
- } //end if
- else
- {
- ret = recv(socket, buf, len, 0);
- // if there's no data on the socket ret == -1 and errno == EAGAIN
- // MSDN states that if ret == 0 the socket has been closed
- // man recv doesn't say anything
- if (ret == 0)
- return -1;
- if (ret == SOCKET_ERROR)
- {
-// errno = WSAGetLastError();
-
- if (errno == EAGAIN || errno == ENOTCONN)
- return 0;
- } //end if
- } //end else
- if (ret == SOCKET_ERROR)
- {
- WinPrint("WINS_Read: %s\n", WINS_ErrorMessage(WSAGetLastError()));
- } //end if
- return ret;
-} //end of the function WINS_Read
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-int WINS_MakeSocketBroadcastCapable (int socket)
-{
- int i = 1;
-
- // make this socket broadcast capable
- if (setsockopt(socket, SOL_SOCKET, SO_BROADCAST, (char *)&i, sizeof(i)) < 0)
- return -1;
- net_broadcastsocket = socket;
-
- return 0;
-} //end of the function WINS_MakeSocketBroadcastCapable
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-int WINS_Broadcast (int socket, byte *buf, int len)
-{
- int ret;
-
- if (socket != net_broadcastsocket)
- {
- if (net_broadcastsocket != 0)
- WinError("Attempted to use multiple broadcasts sockets\n");
- ret = WINS_MakeSocketBroadcastCapable (socket);
- if (ret == -1)
- {
- WinPrint("Unable to make socket broadcast capable\n");
- return ret;
- }
- }
-
- return WINS_Write (socket, buf, len, &broadcastaddr);
-} //end of the function WINS_Broadcast
-//===========================================================================
-// returns qtrue on success or qfalse on failure
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-int WINS_Write(int socket, byte *buf, int len, struct sockaddr_s *addr)
-{
- int ret, written;
- ret = 0;
-
- if (addr)
- {
- written = 0;
- while(written < len)
- {
- ret = sendto (socket, &buf[written], len-written, 0, (struct sockaddr *)addr, sizeof(struct sockaddr_s));
- if (ret == SOCKET_ERROR)
- {
- if (WSAGetLastError() != EAGAIN)
- return qfalse;
- //++timo FIXME: what is this used for?
-// Sleep(1000);
- } //end if
- else
- {
- written += ret;
- }
- }
- } //end if
- else
- {
- written = 0;
- while(written < len)
- {
- ret = send(socket, buf, len, 0);
- if (ret == SOCKET_ERROR)
- {
- if (WSAGetLastError() != EAGAIN)
- return qfalse;
- //++timo FIXME: what is this used for?
-// Sleep(1000);
- } //end if
- else
- {
- written += ret;
- }
- }
- } //end else
- if (ret == SOCKET_ERROR)
- {
- WinPrint("WINS_Write: %s\n", WINS_ErrorMessage(WSAGetLastError()));
- } //end if
- return (ret == len);
-} //end of the function WINS_Write
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-char *WINS_AddrToString (struct sockaddr_s *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;
-} //end of the function WINS_AddrToString
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-int WINS_StringToAddr(char *string, struct sockaddr_s *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((u_short)hp);
- return 0;
-} //end of the function WINS_StringToAddr
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-int WINS_GetSocketAddr(int socket, struct sockaddr_s *addr)
-{
- socklen_t addrlen = sizeof(struct sockaddr_s);
- unsigned int a;
-
- memset(addr, 0, sizeof(struct sockaddr_s));
- getsockname(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;
-} //end of the function WINS_GetSocketAddr
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-int WINS_GetNameFromAddr (struct sockaddr_s *addr, char *name)
-{
- struct hostent *hostentry;
-
- hostentry = gethostbyaddr ((char *)&((struct sockaddr_in *)addr)->sin_addr, sizeof(struct in_addr), AF_INET);
- if (hostentry)
- {
- strncpy (name, (char *)hostentry->h_name, NET_NAMELEN - 1);
- return 0;
- }
-
- strcpy (name, WINS_AddrToString (addr));
- return 0;
-} //end of the function WINS_GetNameFromAddr
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-int WINS_GetAddrFromName(char *name, struct sockaddr_s *addr)
-{
- struct hostent *hostentry;
-
- if (name[0] >= '0' && name[0] <= '9')
- return PartialIPAddress (name, addr);
-
- hostentry = gethostbyname (name);
- if (!hostentry)
- return -1;
-
- addr->sa_family = AF_INET;
- ((struct sockaddr_in *)addr)->sin_port = htons((u_short)net_hostport);
- ((struct sockaddr_in *)addr)->sin_addr.s_addr = *(int *)hostentry->h_addr_list[0];
-
- return 0;
-} //end of the function WINS_GetAddrFromName
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-int WINS_AddrCompare (struct sockaddr_s *addr1, struct sockaddr_s *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;
-} //end of the function WINS_AddrCompare
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-int WINS_GetSocketPort (struct sockaddr_s *addr)
-{
- return ntohs(((struct sockaddr_in *)addr)->sin_port);
-} //end of the function WINS_GetSocketPort
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-int WINS_SetSocketPort (struct sockaddr_s *addr, int port)
-{
- ((struct sockaddr_in *)addr)->sin_port = htons((u_short)port);
- return 0;
-} //end of the function WINS_SetSocketPort
projects / voretournament / voretournament.git / blobdiff