raze-gles/polymer/eduke32/source/winbits.c

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//-------------------------------------------------------------------------
/*
Copyright (C) 2010 EDuke32 developers and contributors
This file is part of EDuke32.
EDuke32 is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License version 2
as published by the Free Software Foundation.
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
//-------------------------------------------------------------------------
#ifdef _WIN32
#define WIN32_LEAN_AND_MEAN
#include "compat.h"
#include <windows.h>
#include <stdarg.h>
#include <stdlib.h>
#include <stdio.h>
#include <shellapi.h>
#include <winsock2.h>
#include <ws2tcpip.h>
#include "renderlayer.h"
int32_t G_GetVersionFromWebsite(char *buffer)
{
int32_t wsainitialized = 0;
int32_t bytes_sent, i=0, j=0;
struct sockaddr_in dest_addr;
struct hostent *h;
char *host = "www.eduke32.com";
char *req = "GET http://www.eduke32.com/VERSION HTTP/1.0\r\n\r\n\r\n";
char *tok;
char tempbuf[2048],otherbuf[16],ver[16];
SOCKET mysock;
#ifdef _WIN32
if (wsainitialized == 0)
{
WSADATA ws;
if (WSAStartup(0x101,&ws) == SOCKET_ERROR)
{
// initprintf("update: Winsock error in G_GetVersionFromWebsite() (%d)\n",errno);
return(0);
}
wsainitialized = 1;
}
#endif
if ((h=gethostbyname(host)) == NULL)
{
// initprintf("update: gethostbyname() error in G_GetVersionFromWebsite() (%d)\n",h_errno);
return(0);
}
dest_addr.sin_addr.s_addr = ((struct in_addr *)(h->h_addr))->s_addr;
dest_addr.sin_family = AF_INET;
dest_addr.sin_port = htons(80);
memset(&(dest_addr.sin_zero), '\0', 8);
mysock = socket(PF_INET, SOCK_STREAM, 0);
if (mysock == INVALID_SOCKET)
{
// initprintf("update: socket() error in G_GetVersionFromWebsite() (%d)\n",errno);
return(0);
}
initprintf("Connecting to http://%s\n",host);
if (connect(mysock, (struct sockaddr *)&dest_addr, sizeof(struct sockaddr)) == SOCKET_ERROR)
{
// initprintf("update: connect() error in G_GetVersionFromWebsite() (%d)\n",errno);
return(0);
}
bytes_sent = send(mysock, req, strlen(req), 0);
if (bytes_sent == SOCKET_ERROR)
{
// initprintf("update: send() error in G_GetVersionFromWebsite() (%d)\n",errno);
return(0);
}
// initprintf("sent %d bytes\n",bytes_sent);
i = recv(mysock, (char *)&tempbuf, sizeof(tempbuf), 0);
if (i < 0)
{
// initprintf("update: recv() returned %d\n", i);
return 0;
}
closesocket(mysock);
Bmemcpy(&otherbuf,&tempbuf,sizeof(otherbuf));
strtok(otherbuf," ");
tok = strtok(NULL," ");
if (tok == NULL)
{
// initprintf("update: strtok() produced no token\n");
return 0;
}
if (Batol(tok) == 200)
{
for (i=0; (unsigned)i<strlen(tempbuf); i++) // HACK: all of this needs to die a fiery death; we just skip to the content
{
// instead of actually parsing any of the http headers
if (i > 4)
if (tempbuf[i-1] == '\n' && tempbuf[i-2] == '\r' && tempbuf[i-3] == '\n' && tempbuf[i-4] == '\r')
{
while (j < 9)
{
ver[j] = tempbuf[i];
i++, j++;
}
ver[j] = '\0';
break;
}
}
if (j)
{
strcpy(buffer,ver);
return(1);
}
}
return(0);
}
#endif