The Tor Browser: netwerk/ipc/NeckoParent.cpp@deefc01c0e14 (annotated)

netwerk/ipc/NeckoParent.cpp@deefc01c0e14 (annotated)

netwerk/ipc/NeckoParent.cpp

Thu, 15 Jan 2015 21:03:48 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Thu, 15 Jan 2015 21:03:48 +0100
branch: TOR_BUG_9701
changeset 11: deefc01c0e14
permissions: -rw-r--r--

Integrate friendly tips from Tor colleagues to make (or not) 4.5 alpha 3;
This includes removal of overloaded (but unused) methods, and addition of
a overlooked call to DataStruct::SetData(nsISupports, uint32_t, bool.)

 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
 /* vim: set sw=2 ts=8 et 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/. */
 #include "necko-config.h"
 #include "nsHttp.h"
 #include "mozilla/net/NeckoParent.h"
 #include "mozilla/net/HttpChannelParent.h"
 #include "mozilla/net/CookieServiceParent.h"
 #include "mozilla/net/WyciwygChannelParent.h"
 #include "mozilla/net/FTPChannelParent.h"
 #include "mozilla/net/WebSocketChannelParent.h"
 #ifdef NECKO_PROTOCOL_rtsp
 #include "mozilla/net/RtspControllerParent.h"
 #include "mozilla/net/RtspChannelParent.h"
 #endif
 #include "mozilla/net/DNSRequestParent.h"
 #include "mozilla/net/RemoteOpenFileParent.h"
 #include "mozilla/net/ChannelDiverterParent.h"
 #include "mozilla/dom/ContentParent.h"
 #include "mozilla/dom/TabParent.h"
 #include "mozilla/dom/network/TCPSocketParent.h"
 #include "mozilla/dom/network/TCPServerSocketParent.h"
 #include "mozilla/dom/network/UDPSocketParent.h"
 #include "mozilla/ipc/URIUtils.h"
 #include "mozilla/LoadContext.h"
 #include "mozilla/AppProcessChecker.h"
 #include "nsPrintfCString.h"
 #include "nsHTMLDNSPrefetch.h"
 #include "nsIAppsService.h"
 #include "nsIUDPSocketFilter.h"
 #include "nsEscape.h"
 #include "RemoteOpenFileParent.h"
 #include "SerializedLoadContext.h"
 using mozilla::dom::ContentParent;
 using mozilla::dom::TabParent;
 using mozilla::net::PTCPSocketParent;
 using mozilla::dom::TCPSocketParent;
 using mozilla::net::PTCPServerSocketParent;
 using mozilla::dom::TCPServerSocketParent;
 using mozilla::net::PUDPSocketParent;
 using mozilla::dom::UDPSocketParent;
 using IPC::SerializedLoadContext;
 namespace mozilla {
 namespace net {
 // C++ file contents
 NeckoParent::NeckoParent()
 {
   // Init HTTP protocol handler now since we need atomTable up and running very
   // early (IPDL argument handling for PHttpChannel constructor needs it) so
   // normal init (during 1st Http channel request) isn't early enough.
   nsCOMPtr<nsIProtocolHandler> proto =
     do_GetService("@mozilla.org/network/protocol;1?name=http");
   if (UsingNeckoIPCSecurity()) {
     // cache values for core/packaged apps basepaths
     nsAutoString corePath, webPath;
     nsCOMPtr<nsIAppsService> appsService = do_GetService(APPS_SERVICE_CONTRACTID);
     if (appsService) {
       appsService->GetCoreAppsBasePath(corePath);
       appsService->GetWebAppsBasePath(webPath);
     }
     // corePath may be empty: we don't use it for all build types
     MOZ_ASSERT(!webPath.IsEmpty());
     LossyCopyUTF16toASCII(corePath, mCoreAppsBasePath);
     LossyCopyUTF16toASCII(webPath, mWebAppsBasePath);
   }
 }
 NeckoParent::~NeckoParent()
 {
 }
 static PBOverrideStatus
 PBOverrideStatusFromLoadContext(const SerializedLoadContext& aSerialized)
 {
   if (!aSerialized.IsNotNull() && aSerialized.IsPrivateBitValid()) {
     return aSerialized.mUsePrivateBrowsing ?
       kPBOverride_Private :
       kPBOverride_NotPrivate;
   }
   return kPBOverride_Unset;
 }
 const char*
 NeckoParent::GetValidatedAppInfo(const SerializedLoadContext& aSerialized,
                                  PContentParent* aContent,
                                  uint32_t* aAppId,
                                  bool* aInBrowserElement)
 {
   *aAppId = NECKO_UNKNOWN_APP_ID;
   *aInBrowserElement = false;
   if (UsingNeckoIPCSecurity()) {
     if (!aSerialized.IsNotNull()) {
       return "SerializedLoadContext from child is null";
     }
   }
   const InfallibleTArray<PBrowserParent*>& browsers = aContent->ManagedPBrowserParent();
   for (uint32_t i = 0; i < browsers.Length(); i++) {
     nsRefPtr<TabParent> tabParent = static_cast<TabParent*>(browsers[i]);
     uint32_t appId = tabParent->OwnOrContainingAppId();
     bool inBrowserElement = aSerialized.IsNotNull() ? aSerialized.mIsInBrowserElement
                                                     : tabParent->IsBrowserElement();
     if (appId == NECKO_UNKNOWN_APP_ID) {
       continue;
     }
     // We may get appID=NO_APP if child frame is neither a browser nor an app
     if (appId == NECKO_NO_APP_ID) {
       if (tabParent->HasOwnApp()) {
         continue;
       }
       if (UsingNeckoIPCSecurity() && tabParent->IsBrowserElement()) {
         // <iframe mozbrowser> which doesn't have an <iframe mozapp> above it.
         // This is not supported now, and we'll need to do a code audit to make
         // sure we can handle it (i.e don't short-circuit using separate
         // namespace if just appID==0)
         continue;
       }
     }
     *aAppId = appId;
     *aInBrowserElement = inBrowserElement;
     return nullptr;
   }
   if (browsers.Length() != 0) {
     return "App does not have permission";
   }
   if (!UsingNeckoIPCSecurity()) {
     // We are running xpcshell tests
     if (aSerialized.IsNotNull()) {
       *aAppId = aSerialized.mAppId;
       *aInBrowserElement = aSerialized.mIsInBrowserElement;
     } else {
       *aAppId = NECKO_NO_APP_ID;
     }
     return nullptr;
   }
   return "ContentParent does not have any PBrowsers";
 }
 const char *
 NeckoParent::CreateChannelLoadContext(PBrowserParent* aBrowser,
                                       PContentParent* aContent,
                                       const SerializedLoadContext& aSerialized,
                                       nsCOMPtr<nsILoadContext> &aResult)
 {
   uint32_t appId = NECKO_UNKNOWN_APP_ID;
   bool inBrowser = false;
   dom::Element* topFrameElement = nullptr;
   const char* error = GetValidatedAppInfo(aSerialized, aContent, &appId, &inBrowser);
   if (error) {
     return error;
   }
   if (aBrowser) {
     nsRefPtr<TabParent> tabParent = static_cast<TabParent*>(aBrowser);
     topFrameElement = tabParent->GetOwnerElement();
   }
   // if !UsingNeckoIPCSecurity(), we may not have a LoadContext to set. This is
   // the common case for most xpcshell tests.
   if (aSerialized.IsNotNull()) {
     aResult = new LoadContext(aSerialized, topFrameElement, appId, inBrowser);
   }
   return nullptr;
 }
 PHttpChannelParent*
 NeckoParent::AllocPHttpChannelParent(PBrowserParent* aBrowser,
                                      const SerializedLoadContext& aSerialized,
                                      const HttpChannelCreationArgs& aOpenArgs)
 {
   nsCOMPtr<nsILoadContext> loadContext;
   const char *error = CreateChannelLoadContext(aBrowser, Manager(),
                                                aSerialized, loadContext);
   if (error) {
     printf_stderr("NeckoParent::AllocPHttpChannelParent: "
                   "FATAL error: %s: KILLING CHILD PROCESS\n",
                   error);
     return nullptr;
   }
   PBOverrideStatus overrideStatus = PBOverrideStatusFromLoadContext(aSerialized);
   HttpChannelParent *p = new HttpChannelParent(aBrowser, loadContext, overrideStatus);
   p->AddRef();
   return p;
 }
 bool
 NeckoParent::DeallocPHttpChannelParent(PHttpChannelParent* channel)
 {
   HttpChannelParent *p = static_cast<HttpChannelParent *>(channel);
   p->Release();
   return true;
 }
 bool
 NeckoParent::RecvPHttpChannelConstructor(
                       PHttpChannelParent* aActor,
                       PBrowserParent* aBrowser,
                       const SerializedLoadContext& aSerialized,
                       const HttpChannelCreationArgs& aOpenArgs)
 {
   HttpChannelParent* p = static_cast<HttpChannelParent*>(aActor);
   return p->Init(aOpenArgs);
 }
 PFTPChannelParent*
 NeckoParent::AllocPFTPChannelParent(PBrowserParent* aBrowser,
                                     const SerializedLoadContext& aSerialized,
                                     const FTPChannelCreationArgs& aOpenArgs)
 {
   nsCOMPtr<nsILoadContext> loadContext;
   const char *error = CreateChannelLoadContext(aBrowser, Manager(),
                                                aSerialized, loadContext);
   if (error) {
     printf_stderr("NeckoParent::AllocPFTPChannelParent: "
                   "FATAL error: %s: KILLING CHILD PROCESS\n",
                   error);
     return nullptr;
   }
   PBOverrideStatus overrideStatus = PBOverrideStatusFromLoadContext(aSerialized);
   FTPChannelParent *p = new FTPChannelParent(loadContext, overrideStatus);
   p->AddRef();
   return p;
 }
 bool
 NeckoParent::DeallocPFTPChannelParent(PFTPChannelParent* channel)
 {
   FTPChannelParent *p = static_cast<FTPChannelParent *>(channel);
   p->Release();
   return true;
 }
 bool
 NeckoParent::RecvPFTPChannelConstructor(
                       PFTPChannelParent* aActor,
                       PBrowserParent* aBrowser,
                       const SerializedLoadContext& aSerialized,
                       const FTPChannelCreationArgs& aOpenArgs)
 {
   FTPChannelParent* p = static_cast<FTPChannelParent*>(aActor);
   return p->Init(aOpenArgs);
 }
 PCookieServiceParent*
 NeckoParent::AllocPCookieServiceParent()
 {
   return new CookieServiceParent();
 }
 bool
 NeckoParent::DeallocPCookieServiceParent(PCookieServiceParent* cs)
 {
   delete cs;
   return true;
 }
 PWyciwygChannelParent*
 NeckoParent::AllocPWyciwygChannelParent()
 {
   WyciwygChannelParent *p = new WyciwygChannelParent();
   p->AddRef();
   return p;
 }
 bool
 NeckoParent::DeallocPWyciwygChannelParent(PWyciwygChannelParent* channel)
 {
   WyciwygChannelParent *p = static_cast<WyciwygChannelParent *>(channel);
   p->Release();
   return true;
 }
 PWebSocketParent*
 NeckoParent::AllocPWebSocketParent(PBrowserParent* browser,
                                    const SerializedLoadContext& serialized)
 {
   nsCOMPtr<nsILoadContext> loadContext;
   const char *error = CreateChannelLoadContext(browser, Manager(),
                                                serialized, loadContext);
   if (error) {
     printf_stderr("NeckoParent::AllocPWebSocketParent: "
                   "FATAL error: %s: KILLING CHILD PROCESS\n",
                   error);
     return nullptr;
   }
   TabParent* tabParent = static_cast<TabParent*>(browser);
   PBOverrideStatus overrideStatus = PBOverrideStatusFromLoadContext(serialized);
   WebSocketChannelParent* p = new WebSocketChannelParent(tabParent, loadContext,
                                                          overrideStatus);
   p->AddRef();
   return p;
 }
 bool
 NeckoParent::DeallocPWebSocketParent(PWebSocketParent* actor)
 {
   WebSocketChannelParent* p = static_cast<WebSocketChannelParent*>(actor);
   p->Release();
   return true;
 }
 PRtspControllerParent*
 NeckoParent::AllocPRtspControllerParent()
 {
 #ifdef NECKO_PROTOCOL_rtsp
   RtspControllerParent* p = new RtspControllerParent();
   p->AddRef();
   return p;
 #else
   return nullptr;
 #endif
 }
 bool
 NeckoParent::DeallocPRtspControllerParent(PRtspControllerParent* actor)
 {
 #ifdef NECKO_PROTOCOL_rtsp
   RtspControllerParent* p = static_cast<RtspControllerParent*>(actor);
   p->Release();
 #endif
   return true;
 }
 PRtspChannelParent*
 NeckoParent::AllocPRtspChannelParent(const RtspChannelConnectArgs& aArgs)
 {
 #ifdef NECKO_PROTOCOL_rtsp
   nsCOMPtr<nsIURI> uri = DeserializeURI(aArgs.uri());
   RtspChannelParent *p = new RtspChannelParent(uri);
   p->AddRef();
   return p;
 #else
   return nullptr;
 #endif
 }
 bool
 NeckoParent::RecvPRtspChannelConstructor(
                       PRtspChannelParent* aActor,
                       const RtspChannelConnectArgs& aConnectArgs)
 {
 #ifdef NECKO_PROTOCOL_rtsp
   RtspChannelParent* p = static_cast<RtspChannelParent*>(aActor);
   return p->Init(aConnectArgs);
 #else
   return nullptr;
 #endif
 }
 bool
 NeckoParent::DeallocPRtspChannelParent(PRtspChannelParent* actor)
 {
 #ifdef NECKO_PROTOCOL_rtsp
   RtspChannelParent* p = static_cast<RtspChannelParent*>(actor);
   p->Release();
 #endif
   return true;
 }
 PTCPSocketParent*
 NeckoParent::AllocPTCPSocketParent()
 {
   TCPSocketParent* p = new TCPSocketParent();
   p->AddIPDLReference();
   return p;
 }
 bool
 NeckoParent::DeallocPTCPSocketParent(PTCPSocketParent* actor)
 {
   TCPSocketParent* p = static_cast<TCPSocketParent*>(actor);
   p->ReleaseIPDLReference();
   return true;
 }
 PTCPServerSocketParent*
 NeckoParent::AllocPTCPServerSocketParent(const uint16_t& aLocalPort,
                                    const uint16_t& aBacklog,
                                    const nsString& aBinaryType)
 {
   TCPServerSocketParent* p = new TCPServerSocketParent();
   p->AddIPDLReference();
   return p;
 }
 bool
 NeckoParent::RecvPTCPServerSocketConstructor(PTCPServerSocketParent* aActor,
                                              const uint16_t& aLocalPort,
                                              const uint16_t& aBacklog,
                                              const nsString& aBinaryType)
 {
   return static_cast<TCPServerSocketParent*>(aActor)->
       Init(this, aLocalPort, aBacklog, aBinaryType);
 }
 bool
 NeckoParent::DeallocPTCPServerSocketParent(PTCPServerSocketParent* actor)
 {
   TCPServerSocketParent* p = static_cast<TCPServerSocketParent*>(actor);
    p->ReleaseIPDLReference();
   return true;
 }
 PUDPSocketParent*
 NeckoParent::AllocPUDPSocketParent(const nsCString& aHost,
                                    const uint16_t& aPort,
                                    const nsCString& aFilter)
 {
   UDPSocketParent* p = nullptr;
   // Only allow socket if it specifies a valid packet filter.
   nsAutoCString contractId(NS_NETWORK_UDP_SOCKET_FILTER_HANDLER_PREFIX);
   contractId.Append(aFilter);
   if (!aFilter.IsEmpty()) {
     nsCOMPtr<nsIUDPSocketFilterHandler> filterHandler =
       do_GetService(contractId.get());
     if (filterHandler) {
       nsCOMPtr<nsIUDPSocketFilter> filter;
       nsresult rv = filterHandler->NewFilter(getter_AddRefs(filter));
       if (NS_SUCCEEDED(rv)) {
         p = new UDPSocketParent(filter);
       } else {
         printf_stderr("Cannot create filter that content specified. "
                       "filter name: %s, error code: %d.", aFilter.get(), rv);
       }
     } else {
       printf_stderr("Content doesn't have a valid filter. "
                     "filter name: %s.", aFilter.get());
     }
   }
   NS_IF_ADDREF(p);
   return p;
 }
 bool
 NeckoParent::RecvPUDPSocketConstructor(PUDPSocketParent* aActor,
                                        const nsCString& aHost,
                                        const uint16_t& aPort,
                                        const nsCString& aFilter)
 {
   return static_cast<UDPSocketParent*>(aActor)->Init(aHost, aPort);
 }
 bool
 NeckoParent::DeallocPUDPSocketParent(PUDPSocketParent* actor)
 {
   UDPSocketParent* p = static_cast<UDPSocketParent*>(actor);
   p->Release();
   return true;
 }
 PDNSRequestParent*
 NeckoParent::AllocPDNSRequestParent(const nsCString& aHost,
                                     const uint32_t& aFlags)
 {
   DNSRequestParent *p = new DNSRequestParent();
   p->AddRef();
   return p;
 }
 bool
 NeckoParent::RecvPDNSRequestConstructor(PDNSRequestParent* aActor,
                                         const nsCString& aHost,
                                         const uint32_t& aFlags)
 {
   static_cast<DNSRequestParent*>(aActor)->DoAsyncResolve(aHost, aFlags);
   return true;
 }
 bool
 NeckoParent::DeallocPDNSRequestParent(PDNSRequestParent* aParent)
 {
   DNSRequestParent *p = static_cast<DNSRequestParent*>(aParent);
   p->Release();
   return true;
 }
 PRemoteOpenFileParent*
 NeckoParent::AllocPRemoteOpenFileParent(const URIParams& aURI,
                                         const OptionalURIParams& aAppURI)
 {
   nsCOMPtr<nsIURI> uri = DeserializeURI(aURI);
   nsCOMPtr<nsIFileURL> fileURL = do_QueryInterface(uri);
   if (!fileURL) {
     return nullptr;
   }
   // security checks
   if (UsingNeckoIPCSecurity()) {
     nsCOMPtr<nsIAppsService> appsService =
       do_GetService(APPS_SERVICE_CONTRACTID);
     if (!appsService) {
       return nullptr;
     }
     bool haveValidBrowser = false;
     bool hasManage = false;
     nsCOMPtr<mozIApplication> mozApp;
     for (uint32_t i = 0; i < Manager()->ManagedPBrowserParent().Length(); i++) {
       nsRefPtr<TabParent> tabParent =
         static_cast<TabParent*>(Manager()->ManagedPBrowserParent()[i]);
       uint32_t appId = tabParent->OwnOrContainingAppId();
       nsresult rv = appsService->GetAppByLocalId(appId, getter_AddRefs(mozApp));
       if (NS_FAILED(rv) || !mozApp) {
         continue;
       }
       hasManage = false;
       rv = mozApp->HasPermission("webapps-manage", &hasManage);
       if (NS_FAILED(rv)) {
         continue;
       }
       haveValidBrowser = true;
       break;
     }
     if (!haveValidBrowser) {
       return nullptr;
     }
     nsAutoCString requestedPath;
     fileURL->GetPath(requestedPath);
     NS_UnescapeURL(requestedPath);
     // Check if we load the whitelisted app uri for the neterror page.
     bool netErrorWhiteList = false;
     nsCOMPtr<nsIURI> appUri = DeserializeURI(aAppURI);
     if (appUri) {
       nsAdoptingString netErrorURI;
       netErrorURI = Preferences::GetString("b2g.neterror.url");
       if (netErrorURI) {
         nsAutoCString spec;
         appUri->GetSpec(spec);
         netErrorWhiteList = spec.Equals(NS_ConvertUTF16toUTF8(netErrorURI).get());
       }
     }
     if (hasManage || netErrorWhiteList) {
       // webapps-manage permission means allow reading any application.zip file
       // in either the regular webapps directory, or the core apps directory (if
       // we're using one).
       NS_NAMED_LITERAL_CSTRING(appzip, "/application.zip");
       nsAutoCString pathEnd;
       requestedPath.Right(pathEnd, appzip.Length());
       if (!pathEnd.Equals(appzip)) {
         return nullptr;
       }
       nsAutoCString pathStart;
       requestedPath.Left(pathStart, mWebAppsBasePath.Length());
       if (!pathStart.Equals(mWebAppsBasePath)) {
         if (mCoreAppsBasePath.IsEmpty()) {
           return nullptr;
         }
         requestedPath.Left(pathStart, mCoreAppsBasePath.Length());
         if (!pathStart.Equals(mCoreAppsBasePath)) {
           return nullptr;
         }
       }
       // Finally: make sure there are no "../" in URI.
       // Note: not checking for symlinks (would cause I/O for each path
       // component).  So it's up to us to avoid creating symlinks that could
       // provide attack vectors.
       if (PL_strnstr(requestedPath.BeginReading(), "/../",
                      requestedPath.Length())) {
         printf_stderr("NeckoParent::AllocPRemoteOpenFile: "
                       "FATAL error: requested file URI '%s' contains '/../' "
                       "KILLING CHILD PROCESS\n", requestedPath.get());
         return nullptr;
       }
     } else {
       // regular packaged apps can only access their own application.zip file
       nsAutoString basePath;
       nsresult rv = mozApp->GetBasePath(basePath);
       if (NS_FAILED(rv)) {
         return nullptr;
       }
       nsAutoString uuid;
       rv = mozApp->GetId(uuid);
       if (NS_FAILED(rv)) {
         return nullptr;
       }
       nsPrintfCString mustMatch("%s/%s/application.zip",
                                 NS_LossyConvertUTF16toASCII(basePath).get(),
                                 NS_LossyConvertUTF16toASCII(uuid).get());
       if (!requestedPath.Equals(mustMatch)) {
         printf_stderr("NeckoParent::AllocPRemoteOpenFile: "
                       "FATAL error: app without webapps-manage permission is "
                       "requesting file '%s' but is only allowed to open its "
                       "own application.zip at %s: KILLING CHILD PROCESS\n",
                       requestedPath.get(), mustMatch.get());
         return nullptr;
       }
     }
   }
   RemoteOpenFileParent* parent = new RemoteOpenFileParent(fileURL);
   return parent;
 }
 bool
 NeckoParent::RecvPRemoteOpenFileConstructor(PRemoteOpenFileParent* aActor,
                                             const URIParams& aFileURI,
                                             const OptionalURIParams& aAppURI)
 {
   return static_cast<RemoteOpenFileParent*>(aActor)->OpenSendCloseDelete();
 }
 bool
 NeckoParent::DeallocPRemoteOpenFileParent(PRemoteOpenFileParent* actor)
 {
   delete actor;
   return true;
 }
 bool
 NeckoParent::RecvHTMLDNSPrefetch(const nsString& hostname,
                                  const uint16_t& flags)
 {
   nsHTMLDNSPrefetch::Prefetch(hostname, flags);
   return true;
 }
 bool
 NeckoParent::RecvCancelHTMLDNSPrefetch(const nsString& hostname,
                                  const uint16_t& flags,
                                  const nsresult& reason)
 {
   nsHTMLDNSPrefetch::CancelPrefetch(hostname, flags, reason);
   return true;
 }
 PChannelDiverterParent*
 NeckoParent::AllocPChannelDiverterParent(const ChannelDiverterArgs& channel)
 {
   return new ChannelDiverterParent();
 }
 bool
 NeckoParent::RecvPChannelDiverterConstructor(PChannelDiverterParent* actor,
                                              const ChannelDiverterArgs& channel)
 {
   auto parent = static_cast<ChannelDiverterParent*>(actor);
   parent->Init(channel);
   return true;
 }
 bool
 NeckoParent::DeallocPChannelDiverterParent(PChannelDiverterParent* parent)
 {
   delete static_cast<ChannelDiverterParent*>(parent);
   return true;
 }
 void
 NeckoParent::CloneManagees(ProtocolBase* aSource,
                          mozilla::ipc::ProtocolCloneContext* aCtx)
 {
   aCtx->SetNeckoParent(this); // For cloning protocols managed by this.
   PNeckoParent::CloneManagees(aSource, aCtx);
 }
 mozilla::ipc::IProtocol*
 NeckoParent::CloneProtocol(Channel* aChannel,
                            mozilla::ipc::ProtocolCloneContext* aCtx)
 {
   ContentParent* contentParent = aCtx->GetContentParent();
   nsAutoPtr<PNeckoParent> actor(contentParent->AllocPNeckoParent());
   if (!actor || !contentParent->RecvPNeckoConstructor(actor)) {
     return nullptr;
   }
   return actor.forget();
 }
 }} // mozilla::net

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netwerk/ipc/NeckoParent.cpp@deefc01c0e14 (annotated)

netwerk/ipc/NeckoParent.cpp