src/darwin/netconf.c

   1 /*****************************************************************************
   2  * netconf.c : Network configuration
   3  *****************************************************************************
   4  * Copyright (C) 2013 VLC authors and VideoLAN
   5  * $Id$
   6  *
   7  * Authors: Felix Paul Kühne <fkuehne # videolan org>
   8  *
   9  * This program is free software; you can redistribute it and/or modify it
  10  * under the terms of the GNU Lesser General Public License as published by
  11  * the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public License
  20  * along with this program; if not, write to the Free Software Foundation,
  21  * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  22  *****************************************************************************/
  23
  24 #ifdef HAVE_CONFIG_H
  25 # include "config.h"
  26 #endif
  27
  28 #include <vlc_common.h>
  29 #include <vlc_network.h>
  30
  31 #include <CoreFoundation/CoreFoundation.h>
  32
  33 #import <TargetConditionals.h>
  34 #if TARGET_OS_IPHONE
  35 #include <CFNetwork/CFProxySupport.h>
  36 #else
  37 #include <CoreServices/CoreServices.h>
  38 #endif
  39
  40 /**
  41  * Determines the network proxy server to use (if any).
  42  * @param url absolute URL for which to get the proxy server (not used)
  43  * @return proxy URL, NULL if no proxy or error
  44  */
  45 char *vlc_getProxyUrl(const char *url)
  46 {
  47     VLC_UNUSED(url);
  48     char *proxy_url = NULL;
  49     CFDictionaryRef dicRef = CFNetworkCopySystemProxySettings();
  50     if (NULL != dicRef) {
  51         const CFStringRef proxyCFstr = (const CFStringRef)CFDictionaryGetValue(
  52             dicRef, (const void*)kCFNetworkProxiesHTTPProxy);
  53         const CFNumberRef portCFnum = (const CFNumberRef)CFDictionaryGetValue(
  54             dicRef, (const void*)kCFNetworkProxiesHTTPPort);
  55         if (NULL != proxyCFstr && NULL != portCFnum) {
  56             int port = 0;
  57             if (!CFNumberGetValue(portCFnum, kCFNumberIntType, &port)) {
  58                 CFRelease(dicRef);
  59                 return NULL;
  60             }
  61
  62             char host_buffer[4096];
  63             memset(host_buffer, 0, sizeof(host_buffer));
  64             if (CFStringGetCString(proxyCFstr, host_buffer, sizeof(host_buffer)
  65                                    - 1, kCFStringEncodingUTF8)) {
  66                 char buffer[4096];
  67                 sprintf(buffer, "%s:%d", host_buffer, port);
  68                 proxy_url = strdup(buffer);
  69             }
  70         }
  71
  72         CFRelease(dicRef);
  73     }
  74
  75     return proxy_url;
  76 }