forked from mirrors/gecko-dev
384 lines
10 KiB
C++
384 lines
10 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "TCPSocketParent.h"
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#include "jsapi.h"
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#include "jsfriendapi.h"
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#include "nsJSUtils.h"
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#include "mozilla/Unused.h"
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#include "mozilla/net/NeckoCommon.h"
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#include "mozilla/net/PNeckoParent.h"
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#include "mozilla/dom/ContentParent.h"
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#include "mozilla/dom/ScriptSettings.h"
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#include "mozilla/dom/TabParent.h"
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#include "mozilla/HoldDropJSObjects.h"
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#include "nsISocketTransportService.h"
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#include "nsISocketTransport.h"
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#include "nsIScriptSecurityManager.h"
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#include "nsNetUtil.h"
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namespace IPC {
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//Defined in TCPSocketChild.cpp
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extern bool
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DeserializeArrayBuffer(JSContext* aCx,
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const InfallibleTArray<uint8_t>& aBuffer,
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JS::MutableHandle<JS::Value> aVal);
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} // namespace IPC
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namespace mozilla {
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namespace net {
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//
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// set MOZ_LOG=TCPSocket:5
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//
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extern LazyLogModule gTCPSocketLog;
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#define TCPSOCKET_LOG(args) MOZ_LOG(gTCPSocketLog, LogLevel::Debug, args)
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#define TCPSOCKET_LOG_ENABLED() MOZ_LOG_TEST(gTCPSocketLog, LogLevel::Debug)
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} // namespace net
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namespace dom {
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static void
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FireInteralError(mozilla::net::PTCPSocketParent* aActor, uint32_t aLineNo)
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{
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mozilla::Unused <<
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aActor->SendCallback(NS_LITERAL_STRING("onerror"),
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TCPError(NS_LITERAL_STRING("InvalidStateError"), NS_LITERAL_STRING("Internal error")),
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static_cast<uint32_t>(TCPReadyState::Connecting));
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}
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(TCPSocketParentBase)
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NS_INTERFACE_MAP_ENTRY(nsISupports)
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NS_INTERFACE_MAP_END
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NS_IMPL_CYCLE_COLLECTION(TCPSocketParentBase, mSocket)
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NS_IMPL_CYCLE_COLLECTING_ADDREF(TCPSocketParentBase)
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NS_IMPL_CYCLE_COLLECTING_RELEASE(TCPSocketParentBase)
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TCPSocketParentBase::TCPSocketParentBase()
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: mIPCOpen(false)
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{
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}
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TCPSocketParentBase::~TCPSocketParentBase()
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{
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}
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void
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TCPSocketParentBase::ReleaseIPDLReference()
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{
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MOZ_ASSERT(mIPCOpen);
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mIPCOpen = false;
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this->Release();
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}
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void
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TCPSocketParentBase::AddIPDLReference()
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{
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MOZ_ASSERT(!mIPCOpen);
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mIPCOpen = true;
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this->AddRef();
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}
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NS_IMETHODIMP_(MozExternalRefCountType) TCPSocketParent::Release(void)
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{
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nsrefcnt refcnt = TCPSocketParentBase::Release();
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if (refcnt == 1 && mIPCOpen) {
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mozilla::Unused << PTCPSocketParent::SendRequestDelete();
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return 1;
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}
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return refcnt;
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}
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mozilla::ipc::IPCResult
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TCPSocketParent::RecvOpen(const nsString& aHost, const uint16_t& aPort, const bool& aUseSSL,
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const bool& aUseArrayBuffers)
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{
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mSocket = new TCPSocket(nullptr, aHost, aPort, aUseSSL, aUseArrayBuffers);
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mSocket->SetSocketBridgeParent(this);
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NS_ENSURE_SUCCESS(mSocket->Init(), IPC_OK());
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return IPC_OK();
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}
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mozilla::ipc::IPCResult
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TCPSocketParent::RecvOpenBind(const nsCString& aRemoteHost,
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const uint16_t& aRemotePort,
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const nsCString& aLocalAddr,
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const uint16_t& aLocalPort,
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const bool& aUseSSL,
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const bool& aReuseAddrPort,
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const bool& aUseArrayBuffers,
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const nsCString& aFilter)
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{
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nsresult rv;
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nsCOMPtr<nsISocketTransportService> sts =
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do_GetService("@mozilla.org/network/socket-transport-service;1", &rv);
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if (NS_FAILED(rv)) {
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FireInteralError(this, __LINE__);
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return IPC_OK();
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}
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nsCOMPtr<nsISocketTransport> socketTransport;
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if (aUseSSL) {
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const char* socketTypes[1];
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socketTypes[0] = "ssl";
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rv = sts->CreateTransport(socketTypes, 1,
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aRemoteHost, aRemotePort,
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nullptr, getter_AddRefs(socketTransport));
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} else {
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rv = sts->CreateTransport(nullptr, 0,
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aRemoteHost, aRemotePort,
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nullptr, getter_AddRefs(socketTransport));
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}
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if (NS_FAILED(rv)) {
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FireInteralError(this, __LINE__);
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return IPC_OK();
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}
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// in most cases aReuseAddrPort is false, but ICE TCP needs
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// sockets options set that allow addr/port reuse
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socketTransport->SetReuseAddrPort(aReuseAddrPort);
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PRNetAddr prAddr;
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if (PR_SUCCESS != PR_InitializeNetAddr(PR_IpAddrAny, aLocalPort, &prAddr)) {
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FireInteralError(this, __LINE__);
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return IPC_OK();
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}
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if (PR_SUCCESS != PR_StringToNetAddr(aLocalAddr.BeginReading(), &prAddr)) {
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FireInteralError(this, __LINE__);
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return IPC_OK();
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}
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mozilla::net::NetAddr addr;
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PRNetAddrToNetAddr(&prAddr, &addr);
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rv = socketTransport->Bind(&addr);
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if (NS_FAILED(rv)) {
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FireInteralError(this, __LINE__);
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return IPC_OK();
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}
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if (!aFilter.IsEmpty()) {
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nsAutoCString contractId(NS_NETWORK_TCP_SOCKET_FILTER_HANDLER_PREFIX);
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contractId.Append(aFilter);
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nsCOMPtr<nsISocketFilterHandler> filterHandler =
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do_GetService(contractId.get());
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if (!filterHandler) {
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NS_ERROR("Content doesn't have a valid filter");
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FireInteralError(this, __LINE__);
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return IPC_OK();
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}
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rv = filterHandler->NewFilter(getter_AddRefs(mFilter));
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if (NS_FAILED(rv)) {
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NS_ERROR("Cannot create filter that content specified");
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FireInteralError(this, __LINE__);
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return IPC_OK();
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}
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}
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mSocket = new TCPSocket(nullptr, NS_ConvertUTF8toUTF16(aRemoteHost), aRemotePort, aUseSSL, aUseArrayBuffers);
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mSocket->SetSocketBridgeParent(this);
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rv = mSocket->InitWithUnconnectedTransport(socketTransport);
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NS_ENSURE_SUCCESS(rv, IPC_OK());
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return IPC_OK();
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}
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mozilla::ipc::IPCResult
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TCPSocketParent::RecvStartTLS()
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{
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NS_ENSURE_TRUE(mSocket, IPC_OK());
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ErrorResult rv;
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mSocket->UpgradeToSecure(rv);
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if (NS_WARN_IF(rv.Failed())) {
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rv.SuppressException();
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}
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return IPC_OK();
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}
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mozilla::ipc::IPCResult
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TCPSocketParent::RecvSuspend()
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{
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NS_ENSURE_TRUE(mSocket, IPC_OK());
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mSocket->Suspend();
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return IPC_OK();
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}
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mozilla::ipc::IPCResult
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TCPSocketParent::RecvResume()
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{
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NS_ENSURE_TRUE(mSocket, IPC_OK());
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ErrorResult rv;
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mSocket->Resume(rv);
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if (NS_WARN_IF(rv.Failed())) {
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rv.SuppressException();
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}
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return IPC_OK();
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}
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mozilla::ipc::IPCResult
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TCPSocketParent::RecvData(const SendableData& aData,
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const uint32_t& aTrackingNumber)
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{
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ErrorResult rv;
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if (mFilter) {
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mozilla::net::NetAddr addr; // dummy value
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bool allowed;
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MOZ_ASSERT(aData.type() == SendableData::TArrayOfuint8_t,
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"Unsupported data type for filtering");
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const InfallibleTArray<uint8_t>& data(aData.get_ArrayOfuint8_t());
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nsresult nsrv = mFilter->FilterPacket(&addr, data.Elements(),
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data.Length(),
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nsISocketFilter::SF_OUTGOING,
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&allowed);
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// Reject sending of unallowed data
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if (NS_WARN_IF(NS_FAILED(nsrv)) || !allowed) {
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TCPSOCKET_LOG(("%s: Dropping outgoing TCP packet", __FUNCTION__));
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return IPC_FAIL_NO_REASON(this);
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}
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}
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switch (aData.type()) {
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case SendableData::TArrayOfuint8_t: {
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AutoSafeJSContext autoCx;
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JS::Rooted<JS::Value> val(autoCx);
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const nsTArray<uint8_t>& buffer = aData.get_ArrayOfuint8_t();
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bool ok = IPC::DeserializeArrayBuffer(autoCx, buffer, &val);
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NS_ENSURE_TRUE(ok, IPC_OK());
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RootedSpiderMonkeyInterface<ArrayBuffer> data(autoCx);
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data.Init(&val.toObject());
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Optional<uint32_t> byteLength(buffer.Length());
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mSocket->SendWithTrackingNumber(autoCx, data, 0, byteLength, aTrackingNumber, rv);
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break;
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}
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case SendableData::TnsCString: {
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const nsCString& strData = aData.get_nsCString();
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mSocket->SendWithTrackingNumber(strData, aTrackingNumber, rv);
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break;
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}
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default:
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MOZ_CRASH("unexpected SendableData type");
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}
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NS_ENSURE_SUCCESS(rv.StealNSResult(), IPC_OK());
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return IPC_OK();
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}
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mozilla::ipc::IPCResult
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TCPSocketParent::RecvClose()
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{
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NS_ENSURE_TRUE(mSocket, IPC_OK());
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mSocket->Close();
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return IPC_OK();
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}
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void
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TCPSocketParent::FireErrorEvent(const nsAString& aName, const nsAString& aType, TCPReadyState aReadyState)
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{
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SendEvent(NS_LITERAL_STRING("error"), TCPError(nsString(aName), nsString(aType)), aReadyState);
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}
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void
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TCPSocketParent::FireEvent(const nsAString& aType, TCPReadyState aReadyState)
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{
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return SendEvent(aType, mozilla::void_t(), aReadyState);
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}
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void
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TCPSocketParent::FireArrayBufferDataEvent(nsTArray<uint8_t>& aBuffer, TCPReadyState aReadyState)
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{
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InfallibleTArray<uint8_t> arr;
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arr.SwapElements(aBuffer);
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if (mFilter) {
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bool allowed;
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mozilla::net::NetAddr addr;
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nsresult nsrv = mFilter->FilterPacket(&addr, arr.Elements(), arr.Length(),
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nsISocketFilter::SF_INCOMING,
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&allowed);
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// receiving unallowed data, drop it.
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if (NS_WARN_IF(NS_FAILED(nsrv)) || !allowed) {
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TCPSOCKET_LOG(("%s: Dropping incoming TCP packet", __FUNCTION__));
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return;
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}
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}
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SendableData data(arr);
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SendEvent(NS_LITERAL_STRING("data"), data, aReadyState);
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}
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void
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TCPSocketParent::FireStringDataEvent(const nsACString& aData, TCPReadyState aReadyState)
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{
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SendableData data((nsCString(aData)));
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MOZ_ASSERT(!mFilter, "Socket filtering doesn't support nsCString");
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SendEvent(NS_LITERAL_STRING("data"), data, aReadyState);
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}
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void
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TCPSocketParent::SendEvent(const nsAString& aType, CallbackData aData, TCPReadyState aReadyState)
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{
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if (mIPCOpen) {
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mozilla::Unused << PTCPSocketParent::SendCallback(nsString(aType),
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aData,
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static_cast<uint32_t>(aReadyState));
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}
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}
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void
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TCPSocketParent::SetSocket(TCPSocket *socket)
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{
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mSocket = socket;
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}
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nsresult
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TCPSocketParent::GetHost(nsAString& aHost)
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{
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if (!mSocket) {
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NS_ERROR("No internal socket instance mSocket!");
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return NS_ERROR_FAILURE;
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}
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mSocket->GetHost(aHost);
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return NS_OK;
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}
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nsresult
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TCPSocketParent::GetPort(uint16_t* aPort)
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{
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if (!mSocket) {
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NS_ERROR("No internal socket instance mSocket!");
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return NS_ERROR_FAILURE;
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}
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*aPort = mSocket->Port();
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return NS_OK;
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}
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void
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TCPSocketParent::ActorDestroy(ActorDestroyReason why)
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{
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if (mSocket) {
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mSocket->Close();
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}
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mSocket = nullptr;
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}
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mozilla::ipc::IPCResult
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TCPSocketParent::RecvRequestDelete()
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{
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mozilla::Unused << Send__delete__(this);
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return IPC_OK();
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}
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} // namespace dom
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} // namespace mozilla
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