/* * Task Scheduler Service * * Copyright 2014 Dmitry Timoshkov * * 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 */ #include <stdarg.h> #include "windef.h" #include "winbase.h" #include "winsvc.h" #include "rpc.h" #include "schrpc.h" #include "wine/debug.h" WINE_DEFAULT_DEBUG_CHANNEL(schedsvc); static const WCHAR scheduleW[] = {'S','c','h','e','d','u','l','e',0}; static SERVICE_STATUS_HANDLE schedsvc_handle; static HANDLE done_event; void schedsvc_auto_start(void) { static DWORD start_type; SC_HANDLE scm, service; QUERY_SERVICE_CONFIGW *cfg; DWORD cfg_size; if (start_type == SERVICE_AUTO_START) return; TRACE("changing service start type to SERVICE_AUTO_START\n"); scm = OpenSCManagerW(NULL, NULL, 0); if (!scm) { WARN("failed to open SCM (%u)\n", GetLastError()); return; } service = OpenServiceW(scm, scheduleW, SERVICE_QUERY_CONFIG | SERVICE_CHANGE_CONFIG); if (service) { if (!QueryServiceConfigW(service, NULL, 0, &cfg_size) && GetLastError() == ERROR_INSUFFICIENT_BUFFER) { cfg = HeapAlloc(GetProcessHeap(), 0, cfg_size); if (cfg) { if (QueryServiceConfigW(service, cfg, cfg_size, &cfg_size)) { start_type = cfg->dwStartType; if (start_type != SERVICE_AUTO_START) { if (ChangeServiceConfigW(service, SERVICE_NO_CHANGE, SERVICE_AUTO_START, SERVICE_NO_CHANGE, NULL, NULL, NULL, NULL, NULL, NULL, NULL)) start_type = SERVICE_AUTO_START; } } HeapFree(GetProcessHeap(), 0, cfg); } } else WARN("failed to query service config (%u)\n", GetLastError()); CloseServiceHandle(service); } else WARN("failed to open service (%u)\n", GetLastError()); CloseServiceHandle(scm); } static void schedsvc_update_status(DWORD state) { SERVICE_STATUS status; status.dwServiceType = SERVICE_WIN32; status.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_SHUTDOWN; status.dwWin32ExitCode = 0; status.dwServiceSpecificExitCode = 0; status.dwCheckPoint = 0; status.dwWaitHint = 0; status.dwControlsAccepted = 0; status.dwCurrentState = state; SetServiceStatus(schedsvc_handle, &status); } static void WINAPI schedsvc_handler(DWORD control) { TRACE("%#x\n", control); switch (control) { case SERVICE_CONTROL_STOP: case SERVICE_CONTROL_SHUTDOWN: schedsvc_update_status(SERVICE_STOP_PENDING); SetEvent(done_event); break; default: schedsvc_update_status(SERVICE_RUNNING); break; } } static RPC_BINDING_VECTOR *sched_bindings; static RPC_STATUS RPC_init(void) { WCHAR transport[] = SCHEDSVC_TRANSPORT; RPC_STATUS status; TRACE("using %s\n", debugstr_w(transport)); status = RpcServerUseProtseqEpW(transport, 0, NULL, NULL); if (status != RPC_S_OK) { ERR("RpcServerUseProtseqEp error %#x\n", status); return status; } status = RpcServerRegisterIf(ITaskSchedulerService_v1_0_s_ifspec, 0, 0); if (status != RPC_S_OK) { ERR("RpcServerRegisterIf error %#x\n", status); return status; } status = RpcServerInqBindings(&sched_bindings); if (status != RPC_S_OK) { ERR("RpcServerInqBindings error %#x\n", status); return status; } status = RpcEpRegisterW(ITaskSchedulerService_v1_0_s_ifspec, sched_bindings, NULL, NULL); if (status != RPC_S_OK) { ERR("RpcEpRegister error %#x\n", status); return status; } status = RpcServerListen(1, RPC_C_LISTEN_MAX_CALLS_DEFAULT, TRUE); if (status != RPC_S_OK) { ERR("RpcServerListen error %#x\n", status); return status; } return RPC_S_OK; } static void RPC_finish(void) { RpcMgmtStopServerListening(NULL); RpcEpUnregister(ITaskSchedulerService_v1_0_s_ifspec, sched_bindings, NULL); RpcBindingVectorFree(&sched_bindings); RpcServerUnregisterIf(NULL, NULL, FALSE); } void WINAPI ServiceMain(DWORD argc, LPWSTR *argv) { TRACE("starting Task Scheduler Service\n"); schedsvc_handle = RegisterServiceCtrlHandlerW(scheduleW, schedsvc_handler); if (!schedsvc_handle) { ERR("RegisterServiceCtrlHandler error %d\n", GetLastError()); return; } done_event = CreateEventW(NULL, TRUE, FALSE, NULL); schedsvc_update_status(SERVICE_START_PENDING); if (RPC_init() == RPC_S_OK) { schedsvc_update_status(SERVICE_RUNNING); WaitForSingleObject(done_event, INFINITE); RPC_finish(); } schedsvc_update_status(SERVICE_STOPPED); TRACE("exiting Task Scheduler Service\n"); } void __RPC_FAR * __RPC_USER MIDL_user_allocate(SIZE_T len) { return HeapAlloc(GetProcessHeap(), 0, len); } void __RPC_USER MIDL_user_free(void __RPC_FAR * ptr) { HeapFree(GetProcessHeap(), 0, ptr); }