Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2             : /* vim: set ts=8 sts=2 et sw=2 tw=80: */
       3             : /* This Source Code Form is subject to the terms of the Mozilla Public
       4             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       5             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
       6             : 
       7             : #if defined(XP_MACOSX) || defined(XP_LINUX)
       8             : #include <unistd.h>
       9             : #elif defined(XP_WIN)
      10             : #include <winsock2.h>
      11             : #endif
      12             : 
      13             : #include "nsNetworkInfoService.h"
      14             : #include "mozilla/ScopeExit.h"
      15             : 
      16             : #if defined(XP_MACOSX) || defined(XP_WIN) || defined(XP_LINUX)
      17             : #include "NetworkInfoServiceImpl.h"
      18             : #else
      19             : #error "Unsupported platform for nsNetworkInfoService!  Check moz.build"
      20             : #endif
      21             : 
      22             : namespace mozilla {
      23             : namespace net {
      24             : 
      25           0 : NS_IMPL_ISUPPORTS(nsNetworkInfoService,
      26             :                   nsINetworkInfoService)
      27             : 
      28           0 : nsNetworkInfoService::nsNetworkInfoService()
      29             : {
      30           0 : }
      31             : 
      32             : nsresult
      33           0 : nsNetworkInfoService::Init()
      34             : {
      35           0 :   return NS_OK;
      36             : }
      37             : 
      38             : nsresult
      39           0 : nsNetworkInfoService::ListNetworkAddresses(nsIListNetworkAddressesListener* aListener)
      40             : {
      41             :   nsresult rv;
      42             : 
      43           0 :   AddrMapType addrMap;
      44           0 :   rv = DoListAddresses(addrMap);
      45           0 :   if (NS_WARN_IF(NS_FAILED(rv))) {
      46           0 :     aListener->OnListNetworkAddressesFailed();
      47           0 :     return NS_OK;
      48             :   }
      49             : 
      50           0 :   uint32_t addrCount = addrMap.Count();
      51           0 :   const char** addrStrings = (const char**) malloc(sizeof(*addrStrings) * addrCount);
      52           0 :   if (!addrStrings) {
      53           0 :     aListener->OnListNetworkAddressesFailed();
      54           0 :     return NS_OK;
      55             :   }
      56           0 :   auto autoFreeAddrStrings = MakeScopeExit([&] {
      57           0 :     free(addrStrings);
      58           0 :   });
      59             : 
      60           0 :   uint32_t idx = 0;
      61           0 :   for (auto iter = addrMap.Iter(); !iter.Done(); iter.Next()) {
      62           0 :     addrStrings[idx++] = iter.Data().get();
      63             :   }
      64           0 :   aListener->OnListedNetworkAddresses(addrStrings, addrCount);
      65           0 :   return NS_OK;
      66             : }
      67             : 
      68             : // TODO: Bug 1275373: https://bugzilla.mozilla.org/show_bug.cgi?id=1275373
      69             : // Use platform-specific implementation of DoGetHostname on Cocoa and Windows.
      70             : static nsresult
      71           0 : DoGetHostname(nsACString& aHostname)
      72             : {
      73             :   char hostnameBuf[256];
      74           0 :   int result = gethostname(hostnameBuf, 256);
      75           0 :   if (result == -1) {
      76           0 :     return NS_ERROR_FAILURE;
      77             :   }
      78             : 
      79             :   // Ensure that there is always a terminating NUL byte.
      80           0 :   hostnameBuf[255] = '\0';
      81             : 
      82             :   // Find the first '.', terminate string there.
      83           0 :   char* dotLocation = strchr(hostnameBuf, '.');
      84           0 :   if (dotLocation) {
      85           0 :     *dotLocation = '\0';
      86             :   }
      87             : 
      88           0 :   if (strlen(hostnameBuf) == 0) {
      89           0 :     return NS_ERROR_FAILURE;
      90             :   }
      91             : 
      92           0 :   aHostname.AssignASCII(hostnameBuf);
      93           0 :   return NS_OK;
      94             : }
      95             : 
      96             : nsresult
      97           0 : nsNetworkInfoService::GetHostname(nsIGetHostnameListener* aListener)
      98             : {
      99             :   nsresult rv;
     100           0 :   nsCString hostnameStr;
     101           0 :   rv = DoGetHostname(hostnameStr);
     102           0 :   if (NS_FAILED(rv)) {
     103           0 :     aListener->OnGetHostnameFailed();
     104           0 :     return NS_OK;
     105             :   }
     106             : 
     107           0 :   aListener->OnGotHostname(hostnameStr);
     108             : 
     109           0 :   return NS_OK;
     110             : }
     111             : 
     112             : } // namespace net
     113             : } // namespace mozilla