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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/browser/network/socket_broker_impl.h"
#include <errno.h>
#include "base/files/file_util.h"
#include "mojo/public/cpp/bindings/remote.h"
#include "net/base/address_family.h"
#include "net/base/net_errors.h"
#include "net/log/net_log_source.h"
#include "net/socket/socket_descriptor.h"
#include "net/socket/tcp_socket.h"
#include "services/network/public/cpp/transferable_socket.h"
#if !BUILDFLAG(IS_WIN)
#include <netinet/in.h>
#include <sys/socket.h>
#else
#include <winsock2.h>
#include "base/scoped_generic.h"
#include "content/browser/network/network_service_process_tracker_win.h"
#endif
namespace content {
namespace {
#if BUILDFLAG(IS_WIN)
struct SocketDescriptorTraitsWin {
static void Free(net::SocketDescriptor socket) { ::closesocket(socket); }
static net::SocketDescriptor InvalidValue() { return net::kInvalidSocket; }
};
using ScopedSocketDescriptor =
base::ScopedGeneric<net::SocketDescriptor, SocketDescriptorTraitsWin>;
net::Error GetSystemError() {
return net::MapSystemError(::WSAGetLastError());
}
#else
using ScopedSocketDescriptor = base::ScopedFD;
net::Error GetSystemError() {
return net::MapSystemError(errno);
}
#endif // BUILDFLAG(IS_WIN)
} // namespace
SocketBrokerImpl::SocketBrokerImpl() = default;
SocketBrokerImpl::~SocketBrokerImpl() = default;
void SocketBrokerImpl::CreateTcpSocket(net::AddressFamily address_family,
CreateTcpSocketCallback callback) {
ScopedSocketDescriptor socket(net::CreatePlatformSocket(
net::ConvertAddressFamily(address_family), SOCK_STREAM,
address_family == AF_UNIX ? 0 : IPPROTO_TCP));
int rv = net::OK;
if (!socket.is_valid()) {
rv = GetSystemError();
} else if (!base::SetNonBlocking(socket.get())) {
rv = GetSystemError();
socket.reset();
}
#if BUILDFLAG(IS_WIN)
std::move(callback).Run(
network::TransferableSocket(socket.release(), GetNetworkServiceProcess()),
rv);
#else
std::move(callback).Run(network::TransferableSocket(socket.release()), rv);
#endif
}
void SocketBrokerImpl::CreateUdpSocket(net::AddressFamily address_family,
CreateUdpSocketCallback callback) {
ScopedSocketDescriptor socket(net::CreatePlatformSocket(
net::ConvertAddressFamily(address_family), SOCK_DGRAM,
address_family == AF_UNIX ? 0 : IPPROTO_UDP));
int rv = net::OK;
if (!socket.is_valid()) {
rv = GetSystemError();
} else if (!base::SetNonBlocking(socket.get())) {
rv = GetSystemError();
socket.reset();
}
#if BUILDFLAG(IS_WIN)
std::move(callback).Run(
network::TransferableSocket(socket.release(), GetNetworkServiceProcess()),
rv);
#else
std::move(callback).Run(network::TransferableSocket(socket.release()), rv);
#endif
}
mojo::PendingRemote<network::mojom::SocketBroker>
SocketBrokerImpl::BindNewRemote() {
mojo::PendingRemote<network::mojom::SocketBroker> pending_remote;
receivers_.Add(this, pending_remote.InitWithNewPipeAndPassReceiver());
return pending_remote;
}
} // namespace content
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