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https://github.com/ZDoom/raze-gles.git
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143 lines
3.9 KiB
C
143 lines
3.9 KiB
C
//-------------------------------------------------------------------------
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/*
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Copyright (C) 2010 EDuke32 developers and contributors
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This file is part of EDuke32.
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EDuke32 is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License version 2
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as published by the Free Software Foundation.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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//-------------------------------------------------------------------------
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#ifdef _WIN32
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#define WIN32_LEAN_AND_MEAN
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#include "compat.h"
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#include <windows.h>
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#include <stdarg.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <shellapi.h>
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#include <winsock2.h>
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#include <ws2tcpip.h>
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#include "renderlayer.h"
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int32_t G_GetVersionFromWebsite(char *buffer)
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{
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int32_t wsainitialized = 0;
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int32_t bytes_sent, i=0, j=0;
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struct sockaddr_in dest_addr;
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struct hostent *h;
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char *host = "www.eduke32.com";
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char *req = "GET http://www.eduke32.com/VERSION HTTP/1.0\r\n\r\n\r\n";
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char *tok;
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char tempbuf[2048],otherbuf[16],ver[16];
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SOCKET mysock;
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#ifdef _WIN32
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if (wsainitialized == 0)
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{
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WSADATA ws;
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if (WSAStartup(0x101,&ws) == SOCKET_ERROR)
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{
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// initprintf("update: Winsock error in G_GetVersionFromWebsite() (%d)\n",errno);
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return(0);
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}
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wsainitialized = 1;
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}
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#endif
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if ((h=gethostbyname(host)) == NULL)
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{
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// initprintf("update: gethostbyname() error in G_GetVersionFromWebsite() (%d)\n",h_errno);
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return(0);
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}
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dest_addr.sin_addr.s_addr = ((struct in_addr *)(h->h_addr))->s_addr;
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dest_addr.sin_family = AF_INET;
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dest_addr.sin_port = htons(80);
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memset(&(dest_addr.sin_zero), '\0', 8);
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mysock = socket(PF_INET, SOCK_STREAM, 0);
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if (mysock == INVALID_SOCKET)
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{
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// initprintf("update: socket() error in G_GetVersionFromWebsite() (%d)\n",errno);
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return(0);
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}
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initprintf("Connecting to http://%s\n",host);
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if (connect(mysock, (struct sockaddr *)&dest_addr, sizeof(struct sockaddr)) == SOCKET_ERROR)
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{
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// initprintf("update: connect() error in G_GetVersionFromWebsite() (%d)\n",errno);
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return(0);
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}
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bytes_sent = send(mysock, req, strlen(req), 0);
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if (bytes_sent == SOCKET_ERROR)
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{
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// initprintf("update: send() error in G_GetVersionFromWebsite() (%d)\n",errno);
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return(0);
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}
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// initprintf("sent %d bytes\n",bytes_sent);
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i = recv(mysock, (char *)&tempbuf, sizeof(tempbuf), 0);
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if (i < 0)
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{
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// initprintf("update: recv() returned %d\n", i);
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return 0;
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}
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closesocket(mysock);
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Bmemcpy(&otherbuf,&tempbuf,sizeof(otherbuf));
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strtok(otherbuf," ");
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tok = strtok(NULL," ");
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if (tok == NULL)
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{
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// initprintf("update: strtok() produced no token\n");
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return 0;
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}
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if (Batol(tok) == 200)
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{
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for (i=0; (unsigned)i<strlen(tempbuf); i++) // HACK: all of this needs to die a fiery death; we just skip to the content
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{
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// instead of actually parsing any of the http headers
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if (i > 4)
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if (tempbuf[i-1] == '\n' && tempbuf[i-2] == '\r' && tempbuf[i-3] == '\n' && tempbuf[i-4] == '\r')
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{
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while (j < 9)
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{
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ver[j] = tempbuf[i];
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i++, j++;
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}
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ver[j] = '\0';
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break;
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}
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}
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if (j)
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{
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strcpy(buffer,ver);
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return(1);
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}
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}
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return(0);
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}
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#endif
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