Files @ 5002dce4a922
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Location: libtransport.git/spectrum/src/win32/ServiceWrapper.cpp

moyamo
Prevent python plugin from crashing with InvalidWireType exception

Too much data was passed to wrapper.parseFromString resulting in it
trying to read another tag even after the WrapperMessage has ended
#include "ServiceWrapper.h"


LPSTR ServiceName;
SERVICE_STATUS ServiceStatus;
SERVICE_STATUS_HANDLE ServiceStatusHandle;	

bool doAction (int action, int desiredAccess, LPSTR path = NULL);

enum actions {
	DO_INSTALL, DO_DELETE, DO_CHECK 
};


ServiceWrapper::ServiceWrapper(LPSTR serviceName)
{
	ServiceName = serviceName;
	ServiceStatusHandle = 0;	
}

ServiceWrapper::~ServiceWrapper(void)
{
}

bool ServiceWrapper::Install(LPSTR commandLine) {
	return doAction(DO_INSTALL, SC_MANAGER_ALL_ACCESS, commandLine);		
}

bool ServiceWrapper::UnInstall() {
	return doAction(DO_DELETE, SC_MANAGER_ALL_ACCESS);
}

bool ServiceWrapper::IsInstalled() {
	return doAction(DO_CHECK, SC_MANAGER_CONNECT);	
}

bool doAction(int action, int desiredAccess, LPSTR path) {
	SC_HANDLE scm = OpenSCManager(NULL, NULL, desiredAccess);
	SC_HANDLE service = NULL;
	if (!scm) return FALSE;

	switch(action) {
	case DO_INSTALL:
		service = CreateServiceA(
			scm, 
			ServiceName, 
			ServiceName, 
			SERVICE_ALL_ACCESS, 
			SERVICE_WIN32_OWN_PROCESS, 
			SERVICE_DEMAND_START, 
			SERVICE_ERROR_NORMAL, 
			path,
			NULL,
			NULL,
			NULL,
			NULL,
			NULL
			);
		return (service != NULL);
		break;
	case DO_DELETE:
		service = OpenServiceA(scm, ServiceName, DELETE);
		if (service == NULL)
			return FALSE;
		if (DeleteService(service))
			return TRUE;
		break;
	case DO_CHECK:
		service = OpenServiceA(scm, ServiceName, SERVICE_QUERY_STATUS);
		return (service != NULL);
	default:
		return FALSE;
	}
	CloseServiceHandle(service);		
	CloseServiceHandle(scm);
	return FALSE;
}

void WINAPI ServiceControlHandler(DWORD controlCode) {
	switch (controlCode) {
	case SERVICE_CONTROL_INTERROGATE:
		break;
	case SERVICE_CONTROL_STOP:
		ServiceStatus.dwCurrentState = SERVICE_STOP_PENDING;		
		break;
	default:
		break;
	}
	SetServiceStatus(ServiceStatusHandle, &ServiceStatus);	
	spectrum_control_handler(CTRL_CLOSE_EVENT);
}

void WINAPI ServiceMain(DWORD argc, LPSTR *argv) {
	ServiceStatus.dwServiceType = SERVICE_WIN32_OWN_PROCESS;
	ServiceStatus.dwServiceSpecificExitCode = NO_ERROR;

	ServiceStatusHandle = RegisterServiceCtrlHandlerA(ServiceName, ServiceControlHandler);
	if (ServiceStatusHandle) {
		ServiceStatus.dwCurrentState = SERVICE_START_PENDING;
		SetServiceStatus(ServiceStatusHandle, &ServiceStatus);
		ServiceStatus.dwControlsAccepted |= (SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_SHUTDOWN);
		ServiceStatus.dwCurrentState = SERVICE_RUNNING;
		SetServiceStatus(ServiceStatusHandle, &ServiceStatus);
		mainloop();
		ServiceStatus.dwCurrentState = SERVICE_STOP_PENDING;
		SetServiceStatus(ServiceStatusHandle, &ServiceStatus);
		ServiceStatus.dwControlsAccepted &= ~(SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_SHUTDOWN);
		ServiceStatus.dwCurrentState = SERVICE_STOPPED;
		SetServiceStatus(ServiceStatusHandle, &ServiceStatus);
	}	
}

void ServiceWrapper::RunService() {
	SERVICE_TABLE_ENTRYA serviceTable[] = {
		{ ServiceName, ServiceMain },
		{ NULL, NULL}
	};

	StartServiceCtrlDispatcherA(serviceTable);
}