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/*
* Copyright (C) 2014 Igalia S.L.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "AuxiliaryProcessMain.h"
#include "IPCUtilities.h"
#include <JavaScriptCore/Options.h>
#include <WebCore/ProcessIdentifier.h>
#include <signal.h>
#include <stdlib.h>
#include <string.h>
#include <wtf/text/StringToIntegerConversion.h>
#if ENABLE(BREAKPAD)
#include "unix/BreakpadExceptionHandler.h"
#endif
namespace WebKit {
AuxiliaryProcessMainCommon::AuxiliaryProcessMainCommon()
{
#if ENABLE(BREAKPAD)
installBreakpadExceptionHandler();
#endif
}
// The command line is constructed in ProcessLauncher::launchProcess.
WTF_ALLOW_UNSAFE_BUFFER_USAGE_BEGIN // Unix port
bool AuxiliaryProcessMainCommon::parseCommandLine(int argc, char** argv)
WTF_ALLOW_UNSAFE_BUFFER_USAGE_END
{
int argIndex = 1; // Start from argv[1], since argv[0] is the program name.
// Ensure we have enough arguments for processIdentifier and connectionIdentifier
if (argc < argIndex + 2)
return false;
if (auto processIdentifier = parseInteger<uint64_t>(unsafeSpan(argv[argIndex++]))) {
if (!ObjectIdentifier<WebCore::ProcessIdentifierType>::isValidIdentifier(*processIdentifier))
return false;
m_parameters.processIdentifier = ObjectIdentifier<WebCore::ProcessIdentifierType>(*processIdentifier);
} else
return false;
if (auto connectionIdentifier = parseInteger<int>(unsafeSpan(argv[argIndex++])))
m_parameters.connectionIdentifier = IPC::Connection::Identifier { { *connectionIdentifier, UnixFileDescriptor::Adopt } };
else
return false;
if (!m_parameters.processIdentifier->toRawValue() || m_parameters.connectionIdentifier.handle.value() <= 0)
return false;
#if USE(GLIB) && OS(LINUX)
// Parse pidSocket if available
if (argc > argIndex) {
auto pidSocket = parseInteger<int>(unsafeSpan(argv[argIndex]));
if (pidSocket && *pidSocket >= 0) {
IPC::sendPIDToPeer(*pidSocket);
RELEASE_ASSERT(!close(*pidSocket));
++argIndex;
} else
return false;
}
#endif
#if ENABLE(DEVELOPER_MODE)
// Check last remaining options for JSC testing
for (; argIndex < argc; ++argIndex) {
if (argv[argIndex] && !strcmp(argv[argIndex], "--configure-jsc-for-testing"))
JSC::Config::configureForTesting();
}
#endif
return true;
}
void AuxiliaryProcess::platformInitialize(const AuxiliaryProcessInitializationParameters&)
{
struct sigaction signalAction;
memset(&signalAction, 0, sizeof(signalAction));
RELEASE_ASSERT(!sigemptyset(&signalAction.sa_mask));
signalAction.sa_handler = SIG_IGN;
RELEASE_ASSERT(!sigaction(SIGPIPE, &signalAction, nullptr));
}
} // namespace WebKit
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