raze-gles/source/duke3d/src/winbits.cpp
2018-10-10 19:14:41 +00:00

131 lines
3.3 KiB
C++

//-------------------------------------------------------------------------
/*
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
#include "compat.h"
#define NEED_SHELLAPI_H
#define NEED_WINSOCK2_H
#define NEED_WS2TCPIP_H
#include "windows_inc.h"
#include "renderlayer.h"
int32_t G_GetVersionFromWebsite(char *buffer)
{
static int32_t wsainitialized = 0;
int32_t i=0, j=0, r=0;
struct sockaddr_in dest_addr;
struct hostent *h;
char const *host = "www.eduke32.com";
char const *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;
WSADATA ws;
#ifdef _WIN32
if (wsainitialized == 0)
{
if (WSAStartup(0x101, &ws) == SOCKET_ERROR)
return 0;
wsainitialized = 1;
}
#endif
if ((h = gethostbyname(host)) == NULL)
{
initprintf("Couldn't resolve %s!\n", host);
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)
{
WSACleanup();
return 0;
}
initprintf("Connecting to http://%s\n",host);
if (connect(mysock, (struct sockaddr *)&dest_addr, sizeof(struct sockaddr)) == SOCKET_ERROR)
goto done;
i = send(mysock, req, strlen(req), 0);
if (i == SOCKET_ERROR)
goto done;
i = recv(mysock, (char *)&tempbuf, sizeof(tempbuf), 0);
if (i < 0)
goto done;
Bmemcpy(&otherbuf, &tempbuf, sizeof(otherbuf));
strtok(otherbuf, " ");
if ((tok = strtok(NULL, " ")) == NULL)
goto done;
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);
r = 1;
goto done;
}
}
done:
closesocket(mysock);
WSACleanup();
return r;
}
#endif