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207 lines
5.6 KiB
C
207 lines
5.6 KiB
C
/*
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* Task Scheduler Service
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*
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* Copyright 2014 Dmitry Timoshkov
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <stdarg.h>
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#include "windef.h"
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#include "winbase.h"
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#include "winsvc.h"
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#include "rpc.h"
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#include "schrpc.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(schedsvc);
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static const WCHAR scheduleW[] = {'S','c','h','e','d','u','l','e',0};
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static SERVICE_STATUS_HANDLE schedsvc_handle;
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static HANDLE done_event;
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void schedsvc_auto_start(void)
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{
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static DWORD start_type;
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SC_HANDLE scm, service;
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QUERY_SERVICE_CONFIGW *cfg;
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DWORD cfg_size;
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if (start_type == SERVICE_AUTO_START) return;
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TRACE("changing service start type to SERVICE_AUTO_START\n");
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scm = OpenSCManagerW(NULL, NULL, 0);
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if (!scm)
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{
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WARN("failed to open SCM (%u)\n", GetLastError());
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return;
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}
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service = OpenServiceW(scm, scheduleW, SERVICE_QUERY_CONFIG | SERVICE_CHANGE_CONFIG);
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if (service)
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{
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if (!QueryServiceConfigW(service, NULL, 0, &cfg_size) && GetLastError() == ERROR_INSUFFICIENT_BUFFER)
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{
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cfg = HeapAlloc(GetProcessHeap(), 0, cfg_size);
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if (cfg)
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{
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if (QueryServiceConfigW(service, cfg, cfg_size, &cfg_size))
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{
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start_type = cfg->dwStartType;
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if (start_type != SERVICE_AUTO_START)
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{
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if (ChangeServiceConfigW(service, SERVICE_NO_CHANGE, SERVICE_AUTO_START, SERVICE_NO_CHANGE,
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NULL, NULL, NULL, NULL, NULL, NULL, NULL))
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start_type = SERVICE_AUTO_START;
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}
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}
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HeapFree(GetProcessHeap(), 0, cfg);
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}
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}
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else
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WARN("failed to query service config (%u)\n", GetLastError());
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CloseServiceHandle(service);
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}
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else
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WARN("failed to open service (%u)\n", GetLastError());
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CloseServiceHandle(scm);
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}
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static void schedsvc_update_status(DWORD state)
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{
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SERVICE_STATUS status;
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status.dwServiceType = SERVICE_WIN32;
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status.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_SHUTDOWN;
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status.dwWin32ExitCode = 0;
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status.dwServiceSpecificExitCode = 0;
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status.dwCheckPoint = 0;
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status.dwWaitHint = 0;
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status.dwControlsAccepted = 0;
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status.dwCurrentState = state;
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SetServiceStatus(schedsvc_handle, &status);
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}
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static void WINAPI schedsvc_handler(DWORD control)
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{
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TRACE("%#x\n", control);
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switch (control)
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{
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case SERVICE_CONTROL_STOP:
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case SERVICE_CONTROL_SHUTDOWN:
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schedsvc_update_status(SERVICE_STOP_PENDING);
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SetEvent(done_event);
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break;
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default:
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schedsvc_update_status(SERVICE_RUNNING);
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break;
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}
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}
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static RPC_BINDING_VECTOR *sched_bindings;
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static RPC_STATUS RPC_init(void)
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{
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WCHAR transport[] = SCHEDSVC_TRANSPORT;
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RPC_STATUS status;
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TRACE("using %s\n", debugstr_w(transport));
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status = RpcServerUseProtseqEpW(transport, 0, NULL, NULL);
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if (status != RPC_S_OK)
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{
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ERR("RpcServerUseProtseqEp error %#x\n", status);
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return status;
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}
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status = RpcServerRegisterIf(ITaskSchedulerService_v1_0_s_ifspec, 0, 0);
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if (status != RPC_S_OK)
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{
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ERR("RpcServerRegisterIf error %#x\n", status);
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return status;
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}
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status = RpcServerInqBindings(&sched_bindings);
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if (status != RPC_S_OK)
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{
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ERR("RpcServerInqBindings error %#x\n", status);
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return status;
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}
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status = RpcEpRegisterW(ITaskSchedulerService_v1_0_s_ifspec, sched_bindings, NULL, NULL);
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if (status != RPC_S_OK)
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{
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ERR("RpcEpRegister error %#x\n", status);
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return status;
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}
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status = RpcServerListen(1, RPC_C_LISTEN_MAX_CALLS_DEFAULT, TRUE);
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if (status != RPC_S_OK)
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{
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ERR("RpcServerListen error %#x\n", status);
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return status;
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}
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return RPC_S_OK;
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}
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static void RPC_finish(void)
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{
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RpcMgmtStopServerListening(NULL);
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RpcEpUnregister(ITaskSchedulerService_v1_0_s_ifspec, sched_bindings, NULL);
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RpcBindingVectorFree(&sched_bindings);
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RpcServerUnregisterIf(NULL, NULL, FALSE);
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}
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void WINAPI ServiceMain(DWORD argc, LPWSTR *argv)
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{
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TRACE("starting Task Scheduler Service\n");
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if (RPC_init() != RPC_S_OK) return;
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schedsvc_handle = RegisterServiceCtrlHandlerW(scheduleW, schedsvc_handler);
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if (!schedsvc_handle)
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{
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ERR("RegisterServiceCtrlHandler error %d\n", GetLastError());
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return;
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}
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done_event = CreateEventW(NULL, TRUE, FALSE, NULL);
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schedsvc_update_status(SERVICE_RUNNING);
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WaitForSingleObject(done_event, INFINITE);
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RPC_finish();
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schedsvc_update_status(SERVICE_STOPPED);
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TRACE("exiting Task Scheduler Service\n");
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}
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void __RPC_FAR * __RPC_USER MIDL_user_allocate(SIZE_T len)
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{
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return HeapAlloc(GetProcessHeap(), 0, len);
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}
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void __RPC_USER MIDL_user_free(void __RPC_FAR * ptr)
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{
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HeapFree(GetProcessHeap(), 0, ptr);
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}
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