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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 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 "nsXULAppAPI.h"
#include "XREChildData.h"
#include "mozilla/Bootstrap.h"
#include "mozilla/ProcessType.h"
#include "mozilla/RuntimeExceptionModule.h"
#include "mozilla/ScopeExit.h"
#if defined(XP_WIN)
# include "mozilla/WindowsDllBlocklist.h"
# include "mozilla/GeckoArgs.h"
# include "nsWindowsWMain.cpp"
# ifdef MOZ_SANDBOX
# include "mozilla/sandboxing/SandboxInitialization.h"
# include "mozilla/sandboxing/sandboxLogging.h"
# endif
#endif // defined(XP_WIN)
using namespace mozilla;
int main(int argc, char* argv[]) {
// Set the process type and gecko child id.
if (argc < 2) {
return 3;
}
SetGeckoProcessType(argv[--argc]);
SetGeckoChildID(argv[--argc]);
auto bootstrapResult = GetBootstrap();
if (bootstrapResult.isErr()) {
return 2;
}
Bootstrap::UniquePtr bootstrap = bootstrapResult.unwrap();
#if defined(MOZ_ENABLE_FORKSERVER)
if (GetGeckoProcessType() == GeckoProcessType_ForkServer) {
bootstrap->NS_LogInit();
// Run a fork server in this process, single thread. When it returns, it
// means the fork server have been stopped or a new child process is
// created.
//
// For the latter case, XRE_ForkServer() will return false, running in a
// child process just forked from the fork server process. argc & argv will
// be updated with the values passing from the chrome process, as will
// GeckoProcessType and GeckoChildID. With the new values, this function
// continues the reset of the code acting as a child process.
if (bootstrap->XRE_ForkServer(&argc, &argv)) {
// Return from the fork server in the fork server process.
// Stop the fork server.
bootstrap->NS_LogTerm();
return 0;
}
}
#endif
// Register an external module to report on otherwise uncatchable
// exceptions. Note that in child processes this must be called after Gecko
// process type has been set.
CrashReporter::RegisterRuntimeExceptionModule();
// Make sure we unregister the runtime exception module before returning.
auto unregisterRuntimeExceptionModule =
MakeScopeExit([] { CrashReporter::UnregisterRuntimeExceptionModule(); });
#ifdef HAS_DLL_BLOCKLIST
uint32_t initFlags = eDllBlocklistInitFlagIsChildProcess;
SetDllBlocklistProcessTypeFlags(initFlags, GetGeckoProcessType());
DllBlocklist_Initialize(initFlags);
#endif
XREChildData childData;
#if defined(XP_WIN) && defined(MOZ_SANDBOX)
if (IsSandboxedProcess()) {
childData.sandboxTargetServices =
mozilla::sandboxing::GetInitializedTargetServices();
if (!childData.sandboxTargetServices) {
return 1;
}
childData.ProvideLogFunction = mozilla::sandboxing::ProvideLogFunction;
}
#endif
nsresult rv = bootstrap->XRE_InitChildProcess(argc, argv, &childData);
#if defined(DEBUG) && defined(HAS_DLL_BLOCKLIST)
DllBlocklist_Shutdown();
#endif
return NS_FAILED(rv) ? 1 : 0;
}
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