src/protocols/icq/proxy.c

   1 /* -*- Mode: C; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2
   3 /*
   4  * $Id: proxy.c 2096 2001-07-31 01:00:39Z warmenhoven $
   5  *
   6  * Copyright (C) 1998-2001, Denis V. Dmitrienko <denis@null.net> and
   7  *                          Bill Soudan <soudan@kde.org>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  22  *
  23  */
  24
  25 #ifdef _WIN32
  26 #include <winsock.h>
  27 #endif
  28
  29 #include <stdlib.h>
  30
  31 #include "icqlib.h"
  32
  33 void icq_HandleProxyResponse(icq_Link *icqlink)
  34 {
  35   int s;
  36   char buf[256];
  37 #ifdef _WIN32
  38   s = recv(icqlink->icq_ProxySok, buf, sizeof(buf), 0);
  39 #else
  40   s = read(icqlink->icq_ProxySok, &buf, sizeof(buf));
  41 #endif
  42   if(s<=0)
  43   {
  44     icq_FmtLog(icqlink, ICQ_LOG_FATAL, "[SOCKS] Connection terminated\n");
  45     icq_Disconnect(icqlink);
  46     invoke_callback(icqlink, icq_Disconnected)(icqlink);
  47   }
  48 }
  49
  50 /*******************
  51 SOCKS5 Proxy support
  52 ********************/
  53 void icq_SetProxy(icq_Link *icqlink, const char *phost, unsigned short pport,
  54   int pauth, const char *pname, const char *ppass)
  55 {
  56   if(icqlink->icq_ProxyHost)
  57     free(icqlink->icq_ProxyHost);
  58   if(icqlink->icq_ProxyName)
  59     free(icqlink->icq_ProxyName);
  60   if(icqlink->icq_ProxyPass)
  61     free(icqlink->icq_ProxyPass);
  62
  63   if(!phost)
  64   {
  65     icq_FmtLog(icqlink, ICQ_LOG_ERROR, "[SOCKS] Proxy host is empty\n");
  66     icqlink->icq_UseProxy = 0;
  67     return;
  68   }
  69   if(!pname)
  70   {
  71     icq_FmtLog(icqlink, ICQ_LOG_ERROR, "[SOCKS] User name is empty\n");
  72     icqlink->icq_UseProxy = 0;
  73     return;
  74   }
  75   if(!pname)
  76   {
  77     icq_FmtLog(icqlink, ICQ_LOG_ERROR, "[SOCKS] User password is empty\n");
  78     icqlink->icq_UseProxy = 0;
  79     return;
  80   }
  81
  82   if(strlen(pname)>255)
  83   {
  84     icq_FmtLog(icqlink, ICQ_LOG_ERROR, "[SOCKS] User name greater than 255 chars\n");
  85     icqlink->icq_UseProxy = 0;
  86     return;
  87   }
  88   if(strlen(ppass)>255)
  89   {
  90     icq_FmtLog(icqlink, ICQ_LOG_ERROR, "[SOCKS] User password greater than 255 chars\n");
  91     icqlink->icq_UseProxy = 0;
  92     return;
  93   }
  94
  95   icqlink->icq_UseProxy = 1;
  96   icqlink->icq_ProxyHost = strdup(phost);
  97   icqlink->icq_ProxyPort = pport;
  98   icqlink->icq_ProxyAuth = pauth;
  99   icqlink->icq_ProxyName = strdup(pname);
 100   icqlink->icq_ProxyPass = strdup(ppass);
 101 }
 102
 103 void icq_UnsetProxy(icq_Link *icqlink)
 104 {
 105   icqlink->icq_UseProxy = 0;
 106 }
 107
 108 int icq_GetProxySok(icq_Link *icqlink)
 109 {
 110   return icqlink->icq_ProxySok;
 111 }