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/*
Copyright (C) 2012 Sebastian Herbord. All rights reserved.
This file is part of Mod Organizer.
Mod Organizer is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Mod Organizer is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Mod Organizer. If not, see <http://www.gnu.org/licenses/>.
*/
#include "spawn.h"
#include "report.h"
#include "utility.h"
#include <gameinfo.h>
#include <inject.h>
#include <appconfig.h>
#include <windows_error.h>
#include <QApplication>
bool spawn(LPCWSTR binary, LPCWSTR arguments, LPCWSTR currentDirectory, bool suspended, HANDLE& processHandle, HANDLE& threadHandle)
{
STARTUPINFO si;
::ZeroMemory(&si, sizeof(si));
si.cb = sizeof(si);
int length = wcslen(binary) + wcslen(arguments) + 4;
wchar_t *commandLine = NULL;
if (arguments[0] != L'\0') {
commandLine = new wchar_t[length];
_snwprintf(commandLine, length, L"\"%ls\" %ls", binary, arguments);
} else {
commandLine = new wchar_t[length];
_snwprintf(commandLine, length, L"\"%ls\"", binary);
}
PROCESS_INFORMATION pi;
BOOL success = ::CreateProcess(NULL,
commandLine,
NULL, NULL, // no special process or thread attributes
FALSE, // don't inherit handle
suspended ? CREATE_SUSPENDED : 0, // create suspended so I have time to inject the DLL
NULL, // same environment as parent
currentDirectory, // current directory
&si, &pi // startup and process information
);
delete [] commandLine;
if (!success) {
throw windows_error("failed to start process");
}
processHandle = pi.hProcess;
threadHandle = pi.hThread;
return true;
}
HANDLE startBinary(const QFileInfo &binary, const QString &arguments, const QString& profileName, int logLevel, const QDir ¤tDirectory, bool hooked)
{
HANDLE processHandle, threadHandle;
std::wstring binaryName = ToWString(QDir::toNativeSeparators(binary.absoluteFilePath()));
std::wstring currentDirectoryName = ToWString(QDir::toNativeSeparators(currentDirectory.absolutePath()));
try {
if (!spawn(binaryName.c_str(), ToWString(arguments).c_str(), currentDirectoryName.c_str(), hooked, processHandle, threadHandle)) {
reportError(QObject::tr("failed to spawn \"%1\"").arg(binary.fileName()));
return INVALID_HANDLE_VALUE;
}
} catch (const windows_error &e) {
reportError(QObject::tr("failed to spawn \"%1\": %2").arg(binary.fileName()).arg(e.what()));
return INVALID_HANDLE_VALUE;
}
if (hooked) {
try {
QFileInfo dllInfo(QApplication::applicationDirPath() + "/" + ToQString(AppConfig::hookDLLName()));
if (!dllInfo.exists()) {
reportError(QObject::tr("\"%1\" doesn't exist").arg(dllInfo.fileName()));
return INVALID_HANDLE_VALUE;
}
injectDLL(processHandle, threadHandle,
QDir::toNativeSeparators(dllInfo.canonicalFilePath()).toLocal8Bit().constData(),
ToWString(profileName).c_str(), logLevel);
} catch (const windows_error& e) {
reportError(QObject::tr("failed to inject dll into \"%1\": %2").arg(binary.fileName()).arg(e.what()));
::TerminateProcess(processHandle, 1);
return INVALID_HANDLE_VALUE;
}
#ifdef _DEBUG
reportError("ready?");
#endif // DEBUG
if (::ResumeThread(threadHandle) == (DWORD)-1) {
reportError(QObject::tr("failed to run \"%1\"").arg(binary.fileName()));
return INVALID_HANDLE_VALUE;
}
}
return processHandle;
}
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