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 #include <SystemConfiguration/SystemConfiguration.h>
  33
  34 /**
  35  * Determines the network proxy server to use (if any).
  36  * @param url absolute URL for which to get the proxy server (not used)
  37  * @return proxy URL, NULL if no proxy or error
  38  */
  39 char *vlc_getProxyUrl(const char *url)
  40 {
  41     VLC_UNUSED(url);
  42     CFDictionaryRef proxies = SCDynamicStoreCopyProxies(NULL);
  43     char *proxy_url = NULL;
  44
  45     if (proxies) {
  46         CFNumberRef cfn_httpProxyOn =
  47             (CFNumberRef)CFDictionaryGetValue(proxies,
  48                                               kSCPropNetProxiesHTTPEnable);
  49         if (cfn_httpProxyOn) {
  50             int i_httpProxyOn;
  51             CFNumberGetValue(cfn_httpProxyOn, kCFNumberIntType, &i_httpProxyOn);
  52             CFRelease(cfn_httpProxyOn);
  53
  54             if (i_httpProxyOn == 1) // http proxy is on
  55             {
  56                 CFStringRef httpProxy =
  57                     (CFStringRef)CFDictionaryGetValue(proxies,
  58                                                       kSCPropNetProxiesHTTPProxy);
  59
  60                 if (httpProxy) {
  61                     CFNumberRef cfn_httpProxyPort =
  62                         (CFNumberRef)CFDictionaryGetValue(proxies,
  63                                                         kSCPropNetProxiesHTTPPort);
  64                     int i_httpProxyPort;
  65                     CFNumberGetValue(cfn_httpProxyPort,
  66                                      kCFNumberIntType,
  67                                      &i_httpProxyPort);
  68                     CFRelease(cfn_httpProxyPort);
  69
  70                     CFMutableStringRef outputURL =
  71                         CFStringCreateMutableCopy(kCFAllocatorDefault,
  72                                                   0,
  73                                                   httpProxy);
  74                     if (i_httpProxyPort > 0)
  75                         CFStringAppendFormat(outputURL,
  76                                              NULL,
  77                                              CFSTR(":%i"),
  78                                              i_httpProxyPort);
  79
  80                     CFStringGetCString(outputURL,
  81                                        proxy_url,
  82                                        sizeof(proxy_url),
  83                                        kCFStringEncodingASCII);
  84                     CFRelease(outputURL);
  85                 }
  86                 CFRelease(httpProxy);
  87             }
  88         }
  89         CFRelease(proxies);
  90     }
  91
  92     return proxy_url;
  93 }