summaryrefslogtreecommitdiffstats
path: root/media/mtransport/gonk_addrs.cpp
blob: 1c69b711ec0c2726900ba4525c4178d053a0d2d7 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this file,
 * You can obtain one at http://mozilla.org/MPL/2.0/. */
extern "C" {
#include <arpa/inet.h>
#include "r_types.h"
#include "stun.h"
#include "addrs.h"
}

#include <vector>
#include <string>
#include "nsINetworkInterface.h"
#include "nsINetworkInterfaceListService.h"
#include "runnable_utils.h"
#include "nsCOMPtr.h"
#include "nsMemory.h"
#include "nsThreadUtils.h"
#include "nsServiceManagerUtils.h"
#include "mozilla/SyncRunnable.h"

namespace {
struct NetworkInterface {
  struct sockaddr_in addr;
  std::string name;
  // See NR_INTERFACE_TYPE_* in nICEr/src/net/local_addrs.h
  int type;
};

nsresult
GetInterfaces(std::vector<NetworkInterface>* aInterfaces)
{
  MOZ_ASSERT(aInterfaces);

  // Obtain network interfaces from network manager.
  nsresult rv;
  nsCOMPtr<nsINetworkInterfaceListService> listService =
    do_GetService("@mozilla.org/network/interface-list-service;1", &rv);
  NS_ENSURE_SUCCESS(rv, rv);

  int32_t flags =
    nsINetworkInterfaceListService::LIST_NOT_INCLUDE_SUPL_INTERFACES |
    nsINetworkInterfaceListService::LIST_NOT_INCLUDE_MMS_INTERFACES |
    nsINetworkInterfaceListService::LIST_NOT_INCLUDE_IMS_INTERFACES |
    nsINetworkInterfaceListService::LIST_NOT_INCLUDE_DUN_INTERFACES |
    nsINetworkInterfaceListService::LIST_NOT_INCLUDE_FOTA_INTERFACES;
  nsCOMPtr<nsINetworkInterfaceList> networkList;
  NS_ENSURE_SUCCESS(listService->GetDataInterfaceList(flags,
                                                      getter_AddRefs(networkList)),
                    NS_ERROR_FAILURE);

  // Translate nsINetworkInterfaceList to NetworkInterface.
  int32_t listLength;
  NS_ENSURE_SUCCESS(networkList->GetNumberOfInterface(&listLength),
                    NS_ERROR_FAILURE);
  aInterfaces->clear();

  for (int32_t i = 0; i < listLength; i++) {
    nsCOMPtr<nsINetworkInfo> info;
    if (NS_FAILED(networkList->GetInterfaceInfo(i, getter_AddRefs(info)))) {
      continue;
    }

    char16_t **ips = nullptr;
    uint32_t *prefixs = nullptr;
    uint32_t count = 0;
    bool isAddressGot = false;
    NetworkInterface interface;
    memset(&(interface.addr), 0, sizeof(interface.addr));
    interface.addr.sin_family = AF_INET;

    if (NS_FAILED(info->GetAddresses(&ips, &prefixs, &count))) {
      continue;
    }

    for (uint32_t j = 0; j < count; j++) {
      nsAutoString ip;

      ip.Assign(ips[j]);
      if (inet_pton(AF_INET, NS_ConvertUTF16toUTF8(ip).get(),
                    &(interface.addr.sin_addr.s_addr)) == 1) {
        isAddressGot = true;
        break;
      }
    }

    free(prefixs);
    NS_FREE_XPCOM_ALLOCATED_POINTER_ARRAY(count, ips);

    if (!isAddressGot) {
      continue;
    }

    nsAutoString ifaceName;
    if (NS_FAILED(info->GetName(ifaceName))) {
      continue;
    }
    interface.name = NS_ConvertUTF16toUTF8(ifaceName).get();

    int32_t type;
    if (NS_FAILED(info->GetType(&type))) {
      continue;
    }
    switch (type) {
      case nsINetworkInfo::NETWORK_TYPE_WIFI:
        interface.type = NR_INTERFACE_TYPE_WIFI;
        break;
      case nsINetworkInfo::NETWORK_TYPE_MOBILE:
        interface.type = NR_INTERFACE_TYPE_MOBILE;
        break;
    }

    aInterfaces->push_back(interface);
  }
  return NS_OK;
}
} // anonymous namespace

int
nr_stun_get_addrs(nr_local_addr aAddrs[], int aMaxAddrs,
                  int aDropLoopback, int aDropLinkLocal, int* aCount)
{
  nsresult rv;
  int r;

  // Get network interface list.
  std::vector<NetworkInterface> interfaces;
  nsCOMPtr<nsIThread> mainThread = do_GetMainThread();
  mozilla::SyncRunnable::DispatchToThread(
    mainThread.get(),
    mozilla::WrapRunnableNMRet(&rv, &GetInterfaces, &interfaces),
    false);
  if (NS_FAILED(rv)) {
    return R_FAILED;
  }

  // Translate to nr_transport_addr.
  int32_t n = 0;
  size_t num_interface = std::min(interfaces.size(), (size_t)aMaxAddrs);
  for (size_t i = 0; i < num_interface; ++i) {
    NetworkInterface &interface = interfaces[i];
    if (nr_sockaddr_to_transport_addr((sockaddr*)&(interface.addr),
                                      IPPROTO_UDP, 0, &(aAddrs[n].addr))) {
      r_log(NR_LOG_STUN, LOG_WARNING, "Problem transforming address");
      return R_FAILED;
    }
    strlcpy(aAddrs[n].addr.ifname, interface.name.c_str(),
            sizeof(aAddrs[n].addr.ifname));
    aAddrs[n].interface.type = interface.type;
    aAddrs[n].interface.estimated_speed = 0;
    n++;
  }

  *aCount = n;
  r = nr_stun_remove_duplicate_addrs(aAddrs, aDropLoopback, aDropLinkLocal, aCount);
  if (r != 0) {
    return r;
  }

  for (int i = 0; i < *aCount; ++i) {
    char typestr[100];
    nr_local_addr_fmt_info_string(aAddrs + i, typestr, sizeof(typestr));
    r_log(NR_LOG_STUN, LOG_DEBUG, "Address %d: %s on %s, type: %s\n",
          i, aAddrs[i].addr.as_string, aAddrs[i].addr.ifname, typestr);
  }

  return 0;
}