mirror of
https://github.com/mozilla/gecko-dev.git
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101 lines
3.2 KiB
C++
101 lines
3.2 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
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsXULAppAPI.h"
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#include "XREChildData.h"
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#include "mozilla/Bootstrap.h"
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#include "mozilla/ProcessType.h"
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#include "mozilla/RuntimeExceptionModule.h"
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#include "mozilla/ScopeExit.h"
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#if defined(XP_WIN)
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# include "mozilla/WindowsDllBlocklist.h"
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# include "mozilla/GeckoArgs.h"
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# include "nsWindowsWMain.cpp"
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# ifdef MOZ_SANDBOX
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# include "mozilla/sandboxing/SandboxInitialization.h"
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# include "mozilla/sandboxing/sandboxLogging.h"
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# endif
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#endif // defined(XP_WIN)
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using namespace mozilla;
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int main(int argc, char* argv[]) {
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// Set the process type and gecko child id.
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if (argc < 2) {
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return 3;
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}
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SetGeckoProcessType(argv[--argc]);
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SetGeckoChildID(argv[--argc]);
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auto bootstrapResult = GetBootstrap();
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if (bootstrapResult.isErr()) {
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return 2;
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}
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Bootstrap::UniquePtr bootstrap = bootstrapResult.unwrap();
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#if defined(MOZ_ENABLE_FORKSERVER)
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if (GetGeckoProcessType() == GeckoProcessType_ForkServer) {
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bootstrap->NS_LogInit();
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// Run a fork server in this process, single thread. When it returns, it
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// means the fork server have been stopped or a new child process is
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// created.
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//
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// For the latter case, XRE_ForkServer() will return false, running in a
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// child process just forked from the fork server process. argc & argv will
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// be updated with the values passing from the chrome process, as will
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// GeckoProcessType and GeckoChildID. With the new values, this function
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// continues the reset of the code acting as a child process.
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if (bootstrap->XRE_ForkServer(&argc, &argv)) {
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// Return from the fork server in the fork server process.
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// Stop the fork server.
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bootstrap->NS_LogTerm();
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return 0;
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}
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}
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#endif
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// Register an external module to report on otherwise uncatchable
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// exceptions. Note that in child processes this must be called after Gecko
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// process type has been set.
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CrashReporter::RegisterRuntimeExceptionModule();
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// Make sure we unregister the runtime exception module before returning.
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auto unregisterRuntimeExceptionModule =
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MakeScopeExit([] { CrashReporter::UnregisterRuntimeExceptionModule(); });
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#ifdef HAS_DLL_BLOCKLIST
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uint32_t initFlags = eDllBlocklistInitFlagIsChildProcess;
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SetDllBlocklistProcessTypeFlags(initFlags, GetGeckoProcessType());
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DllBlocklist_Initialize(initFlags);
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#endif
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XREChildData childData;
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#if defined(XP_WIN) && defined(MOZ_SANDBOX)
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if (IsSandboxedProcess()) {
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childData.sandboxTargetServices =
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mozilla::sandboxing::GetInitializedTargetServices();
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if (!childData.sandboxTargetServices) {
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return 1;
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}
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childData.ProvideLogFunction = mozilla::sandboxing::ProvideLogFunction;
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}
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#endif
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nsresult rv = bootstrap->XRE_InitChildProcess(argc, argv, &childData);
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#if defined(DEBUG) && defined(HAS_DLL_BLOCKLIST)
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DllBlocklist_Shutdown();
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#endif
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return NS_FAILED(rv) ? 1 : 0;
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}
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