看到实习生写这种狗屎代码时，我脑溢血犯了 - 全球主机交流论坛

bool Driver::load(
std::string path,
std::string deviceName,
std::string symbolName,
unsigned long startOptions
)
{
SC_HANDLE hSCManager = OpenSCManagerA(NULL, NULL, startOptions);
if (!hSCManager)
{
m_error = GetLastError();
return false;
}
SC_HANDLE hService = CreateServiceA(hSCManager, m_serviceName.c_str(), m_serviceName.c_str(), SERVICE_ALL_ACCESS, SERVICE_KERNEL_DRIVER, startOptions, SERVICE_ERROR_IGNORE, m_path.c_str(), 0, 0, 0, 0, 0);
if (hService == NULL)
{
if (ERROR_SERVICE_EXISTS == GetLastError())
{
hService = OpenServiceA(hSCManager, m_serviceName.c_str(), SERVICE_ALL_ACCESS);
if (hService == NULL)
{
CloseServiceHandle(hSCManager);
m_error = GetLastError();
return false;
}
}
else
{
if (ERROR_SERVICE_MARKED_FOR_DELETE == GetLastError() || ERROR_DUPLICATE_SERVICE_NAME == GetLastError())
{
hService = OpenServiceA(hSCManager, m_serviceName.c_str(), SERVICE_ALL_ACCESS);
if (hService == NULL)
{
CloseServiceHandle(hSCManager);
m_error = GetLastError();
return false;
}
SERVICE_STATUS status;
ControlService(hService, SERVICE_CONTROL_STOP,&status);
DeleteService(hService);
CloseServiceHandle(hService);
CloseServiceHandle(hSCManager);
hSCManager = OpenSCManagerA(NULL, NULL, SC_MANAGER_ALL_ACCESS);
if (hSCManager == NULL)
{
m_error = GetLastError();
return false;
}
hService = CreateServiceA(hSCManager, m_serviceName.c_str(), m_serviceName.c_str(), SERVICE_ALL_ACCESS, SERVICE_KERNEL_DRIVER, startOptions, SERVICE_ERROR_IGNORE, m_path.c_str(), 0, 0, 0, 0, 0);
if (hService == NULL)
{
CloseServiceHandle(hSCManager);
m_error = GetLastError();
return false;
}
}
else
{
m_path = "";
m_deviceHandle = NULL;
CloseServiceHandle(hSCManager);
m_error = GetLastError();
return false;
}
}
}
if (StartServiceA(hService, NULL, NULL) == 0)
{
if (ERROR_SERVICE_ALREADY_RUNNING != GetLastError())
{
CloseServiceHandle(hService);
CloseServiceHandle(hSCManager);
m_path = "";
m_error = GetLastError();
return false;
}
}
m_deviceHandle = CreateFileA(("\\\\.\" + m_symbolName).c_str(),GENERIC_READ|GENERIC_WRITE, NULL, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL,NULL);
if (m_deviceHandle == NULL)
{
SERVICE_STATUS status;
ControlService(hService, SERVICE_CONTROL_STOP, &status);
DeleteService(hService);
CloseServiceHandle(hService);
CloseServiceHandle(hSCManager);
m_path = "";
m_error = GetLastError();
return false;
}
CloseServiceHandle(hService);
CloseServiceHandle(hSCManager);
return true;
}

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