Sweden-Number/programs/msiexec/service.c

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/*
* msiexec.exe implementation
*
* Copyright 2007 Google (James Hawkins)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#define WIN32_LEAN_AND_MEAN
#include <stdio.h>
#include <windows.h>
#include <winsvc.h>
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(msiexec);
static SERVICE_STATUS_HANDLE hstatus;
static HANDLE thread;
static HANDLE kill_event;
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static void KillService(void)
{
WINE_TRACE("Killing service\n");
SetEvent(kill_event);
}
static BOOL UpdateSCMStatus(DWORD dwCurrentState, DWORD dwWin32ExitCode,
DWORD dwServiceSpecificExitCode)
{
SERVICE_STATUS status;
status.dwServiceType = SERVICE_WIN32_OWN_PROCESS;
status.dwCurrentState = dwCurrentState;
if (dwCurrentState == SERVICE_START_PENDING)
status.dwControlsAccepted = 0;
else
{
status.dwControlsAccepted = SERVICE_ACCEPT_STOP |
SERVICE_ACCEPT_PAUSE_CONTINUE |
SERVICE_ACCEPT_SHUTDOWN;
}
if (dwServiceSpecificExitCode == 0)
{
status.dwWin32ExitCode = dwWin32ExitCode;
}
else
{
status.dwWin32ExitCode = ERROR_SERVICE_SPECIFIC_ERROR;
}
status.dwServiceSpecificExitCode = dwServiceSpecificExitCode;
status.dwCheckPoint = 0;
status.dwWaitHint = 0;
if (!SetServiceStatus(hstatus, &status))
{
fprintf(stderr, "Failed to set service status\n");
KillService();
return FALSE;
}
return TRUE;
}
static void WINAPI ServiceCtrlHandler(DWORD code)
{
DWORD state = SERVICE_RUNNING;
WINE_TRACE("%d\n", code);
switch (code)
{
case SERVICE_CONTROL_SHUTDOWN:
case SERVICE_CONTROL_STOP:
UpdateSCMStatus(SERVICE_STOP_PENDING, NO_ERROR, 0);
KillService();
state = SERVICE_STOPPED;
break;
default:
fprintf(stderr, "Unhandled service control code: %d\n", code);
break;
}
UpdateSCMStatus(state, NO_ERROR, 0);
}
static DWORD WINAPI ServiceExecutionThread(LPVOID param)
{
WaitForSingleObject(kill_event, INFINITE);
return 0;
}
static BOOL StartServiceThread(void)
{
DWORD id;
thread = CreateThread(0, 0, ServiceExecutionThread, 0, 0, &id);
if (!thread)
{
fprintf(stderr, "Failed to create thread\n");
return FALSE;
}
return TRUE;
}
static void WINAPI ServiceMain(DWORD argc, LPSTR *argv)
{
hstatus = RegisterServiceCtrlHandlerA("MSIServer", ServiceCtrlHandler);
if (!hstatus)
{
fprintf(stderr, "Failed to register service ctrl handler\n");
return;
}
UpdateSCMStatus(SERVICE_START_PENDING, NO_ERROR, 0);
kill_event = CreateEventW(0, TRUE, FALSE, 0);
if (!kill_event)
{
fprintf(stderr, "Failed to create event\n");
KillService();
UpdateSCMStatus(SERVICE_STOPPED, NO_ERROR, 0);
return;
}
if (!StartServiceThread())
{
KillService();
UpdateSCMStatus(SERVICE_STOPPED, NO_ERROR, 0);
return;
}
UpdateSCMStatus(SERVICE_RUNNING, NO_ERROR, 0);
WaitForSingleObject(kill_event, INFINITE);
KillService();
UpdateSCMStatus(SERVICE_STOPPED, NO_ERROR, 0);
}
DWORD DoService(void)
{
char service_name[] = "MSIServer";
const SERVICE_TABLE_ENTRYA service[] =
{
{service_name, ServiceMain},
{NULL, NULL},
};
WINE_TRACE("Starting MSIServer service\n");
if (!StartServiceCtrlDispatcherA(service))
{
fprintf(stderr, "Failed to start MSIServer service\n");
return 1;
}
return 0;
}