blob: 4d10fea5f551cc5530ac631d7148ef17c3b4da6b [file] [log] [blame]
// Copyright 2018 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "remoting/protocol/native_ip_synthesizer.h"
#include "base/logging.h"
#include "base/no_destructor.h"
#include "net/base/sys_addrinfo.h"
#include "remoting/protocol/rfc7050_ip_synthesizer.h"
#include "remoting/protocol/rfc7050_prefix_refresher.h"
#include "third_party/webrtc/rtc_base/ip_address.h"
#include "third_party/webrtc/rtc_base/socket_address.h"
namespace remoting {
namespace protocol {
// static
rtc::SocketAddress ToNativeSocket(const rtc::SocketAddress& original_socket) {
#if defined(OS_IOS)
// iOS implements IPv6 synthesis logic into the getaddrinfo() function. See:
addrinfo hints;
memset(&hints, 0, sizeof(hints));
hints.ai_family = PF_UNSPEC;
hints.ai_socktype = SOCK_STREAM;
hints.ai_flags = AI_DEFAULT;
addrinfo* result = nullptr;
// getaddrinfo() will resolve an IPv4 address into its curresponding IPv4/IPv6
// address connectable on current network environment. Note that this doesn't
// really send out a DNS request on iOS.
int error = getaddrinfo(original_socket.ipaddr().ToString().c_str(), nullptr,
&hints, &result);
if (error) {
LOG(ERROR) << "getaddrinfo() failed for " << gai_strerror(error);
return original_socket;
if (!result) {
return original_socket;
rtc::SocketAddress new_socket;
bool success = rtc::SocketAddressFromSockAddrStorage(
*reinterpret_cast<sockaddr_storage*>(result->ai_addr), &new_socket);
return new_socket;
#elif defined(OS_ANDROID)
// Android implements 464XLAT and emulates an IPv4 network stack.
return original_socket;
return Rfc7050IpSynthesizer::GetInstance()->ToNativeSocket(original_socket);
#if defined(OS_NACL)
void RefreshNativeIpSynthesizer(base::OnceClosure on_done) {
#elif !defined(OS_ANDROID) && !defined(OS_IOS)
void InitializeNativeIpSynthesizer() {
static base::NoDestructor<Rfc7050PrefixRefresher> refresher;
} // namespace protocol
} // namespace remoting