7 unsigned long deadline;
8 FILETIME creation_time;
12 static unsigned long WINAPI await_hook(void *arg) {
13 hook_t *hook = (hook_t *) arg;
14 if (! hook) return NSSM_HOOK_STATUS_ERROR;
17 if (WaitForSingleObject(hook->process_handle, hook->deadline) == WAIT_TIMEOUT) ret = NSSM_HOOK_STATUS_TIMEOUT;
19 /* Tidy up hook process tree. */
20 if (hook->name) hook->k.name = hook->name;
21 else hook->k.name = _T("hook");
22 hook->k.process_handle = hook->process_handle;
23 hook->k.pid = hook->pid;
24 hook->k.stop_method = ~0;
25 hook->k.kill_console_delay = NSSM_KILL_CONSOLE_GRACE_PERIOD;
26 hook->k.kill_window_delay = NSSM_KILL_WINDOW_GRACE_PERIOD;
27 hook->k.kill_threads_delay = NSSM_KILL_THREADS_GRACE_PERIOD;
28 hook->k.creation_time = hook->creation_time;
29 GetSystemTimeAsFileTime(&hook->k.exit_time);
30 kill_process_tree(&hook->k, hook->pid);
33 CloseHandle(hook->process_handle);
34 if (hook->name) HeapFree(GetProcessHeap(), 0, hook->name);
35 HeapFree(GetProcessHeap(), 0, hook);
39 unsigned long exitcode;
40 GetExitCodeProcess(hook->process_handle, &exitcode);
41 CloseHandle(hook->process_handle);
43 if (hook->name) HeapFree(GetProcessHeap(), 0, hook->name);
44 HeapFree(GetProcessHeap(), 0, hook);
46 if (exitcode == NSSM_HOOK_STATUS_ABORT) return NSSM_HOOK_STATUS_ABORT;
47 if (exitcode) return NSSM_HOOK_STATUS_FAILED;
49 return NSSM_HOOK_STATUS_SUCCESS;
52 static void set_hook_runtime(TCHAR *v, FILETIME *start, FILETIME *now) {
55 s.LowPart = start->dwLowDateTime;
56 s.HighPart = start->dwHighDateTime;
59 t.LowPart = now->dwLowDateTime;
60 t.HighPart = now->dwHighDateTime;
61 if (t.QuadPart && t.QuadPart >= s.QuadPart) {
62 t.QuadPart -= s.QuadPart;
63 t.QuadPart /= 10000LL;
65 _sntprintf_s(number, _countof(number), _TRUNCATE, _T("%llu"), t.QuadPart);
66 SetEnvironmentVariable(v, number);
71 SetEnvironmentVariable(v, _T(""));
74 static void add_thread_handle(hook_thread_t *hook_threads, HANDLE thread_handle, TCHAR *name) {
75 if (! hook_threads) return;
77 int num_threads = hook_threads->num_threads + 1;
78 hook_thread_data_t *data = (hook_thread_data_t *) HeapAlloc(GetProcessHeap(), 0, num_threads * sizeof(hook_thread_data_t));
80 log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OUT_OF_MEMORY, _T("hook_thread_t"), _T("add_thread_handle()"), 0);
85 for (i = 0; i < hook_threads->num_threads; i++) memmove(&data[i], &hook_threads->data[i], sizeof(data[i]));
86 memmove(data[i].name, name, sizeof(data[i].name));
87 data[i].thread_handle = thread_handle;
89 if (hook_threads->data) HeapFree(GetProcessHeap(), 0, hook_threads->data);
90 hook_threads->data = data;
91 hook_threads->num_threads = num_threads;
94 bool valid_hook_name(const TCHAR *hook_event, const TCHAR *hook_action, bool quiet) {
95 bool valid_event = false;
96 bool valid_action = false;
99 if (str_equiv(hook_event, NSSM_HOOK_EVENT_EXIT)) {
100 if (str_equiv(hook_action, NSSM_HOOK_ACTION_POST)) return true;
101 if (quiet) return false;
102 print_message(stderr, NSSM_MESSAGE_INVALID_HOOK_ACTION, hook_event);
103 _ftprintf(stderr, _T("%s\n"), NSSM_HOOK_ACTION_POST);
107 /* Power/{Change,Resume} */
108 if (str_equiv(hook_event, NSSM_HOOK_EVENT_POWER)) {
109 if (str_equiv(hook_action, NSSM_HOOK_ACTION_CHANGE)) return true;
110 if (str_equiv(hook_action, NSSM_HOOK_ACTION_RESUME)) return true;
111 if (quiet) return false;
112 print_message(stderr, NSSM_MESSAGE_INVALID_HOOK_ACTION, hook_event);
113 _ftprintf(stderr, _T("%s\n"), NSSM_HOOK_ACTION_CHANGE);
114 _ftprintf(stderr, _T("%s\n"), NSSM_HOOK_ACTION_RESUME);
118 /* Rotate/{Pre,Post} */
119 if (str_equiv(hook_event, NSSM_HOOK_EVENT_ROTATE)) {
120 if (str_equiv(hook_action, NSSM_HOOK_ACTION_PRE)) return true;
121 if (str_equiv(hook_action, NSSM_HOOK_ACTION_POST)) return true;
122 if (quiet) return false;
123 print_message(stderr, NSSM_MESSAGE_INVALID_HOOK_ACTION, hook_event);
124 _ftprintf(stderr, _T("%s\n"), NSSM_HOOK_ACTION_PRE);
125 _ftprintf(stderr, _T("%s\n"), NSSM_HOOK_ACTION_POST);
129 /* Start/{Pre,Post} */
130 if (str_equiv(hook_event, NSSM_HOOK_EVENT_START)) {
131 if (str_equiv(hook_action, NSSM_HOOK_ACTION_PRE)) return true;
132 if (str_equiv(hook_action, NSSM_HOOK_ACTION_POST)) return true;
133 if (quiet) return false;
134 print_message(stderr, NSSM_MESSAGE_INVALID_HOOK_ACTION, hook_event);
135 _ftprintf(stderr, _T("%s\n"), NSSM_HOOK_ACTION_PRE);
136 _ftprintf(stderr, _T("%s\n"), NSSM_HOOK_ACTION_POST);
141 if (str_equiv(hook_event, NSSM_HOOK_EVENT_STOP)) {
142 if (str_equiv(hook_action, NSSM_HOOK_ACTION_PRE)) return true;
143 if (quiet) return false;
144 print_message(stderr, NSSM_MESSAGE_INVALID_HOOK_ACTION, hook_event);
145 _ftprintf(stderr, _T("%s\n"), NSSM_HOOK_ACTION_PRE);
149 if (quiet) return false;
150 print_message(stderr, NSSM_MESSAGE_INVALID_HOOK_EVENT);
151 _ftprintf(stderr, _T("%s\n"), NSSM_HOOK_EVENT_EXIT);
152 _ftprintf(stderr, _T("%s\n"), NSSM_HOOK_EVENT_POWER);
153 _ftprintf(stderr, _T("%s\n"), NSSM_HOOK_EVENT_ROTATE);
154 _ftprintf(stderr, _T("%s\n"), NSSM_HOOK_EVENT_START);
155 _ftprintf(stderr, _T("%s\n"), NSSM_HOOK_EVENT_STOP);
159 void await_hook_threads(hook_thread_t *hook_threads, SERVICE_STATUS_HANDLE status_handle, SERVICE_STATUS *status, unsigned long deadline) {
160 if (! hook_threads) return;
161 if (! hook_threads->num_threads) return;
163 int *retain = (int *) HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, hook_threads->num_threads * sizeof(int));
165 log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OUT_OF_MEMORY, _T("retain"), _T("await_hook_threads()"), 0);
170 We could use WaitForMultipleObjects() but await_single_object() can update
171 the service status as well.
175 for (i = 0; i < hook_threads->num_threads; i++) {
177 if (await_single_handle(status_handle, status, hook_threads->data[i].thread_handle, hook_threads->data[i].name, _T(__FUNCTION__), deadline) != 1) {
178 CloseHandle(hook_threads->data[i].thread_handle);
182 else if (WaitForSingleObject(hook_threads->data[i].thread_handle, 0) != WAIT_TIMEOUT) {
183 CloseHandle(hook_threads->data[i].thread_handle);
187 retain[num_threads++]= i;
191 hook_thread_data_t *data = (hook_thread_data_t *) HeapAlloc(GetProcessHeap(), 0, num_threads * sizeof(hook_thread_data_t));
193 log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OUT_OF_MEMORY, _T("data"), _T("await_hook_threads()"), 0);
194 HeapFree(GetProcessHeap(), 0, retain);
198 for (i = 0; i < num_threads; i++) memmove(&data[i], &hook_threads->data[retain[i]], sizeof(data[i]));
200 HeapFree(GetProcessHeap(), 0, hook_threads->data);
201 hook_threads->data = data;
202 hook_threads->num_threads = num_threads;
205 HeapFree(GetProcessHeap(), 0, hook_threads->data);
206 ZeroMemory(hook_threads, sizeof(*hook_threads));
209 HeapFree(GetProcessHeap(), 0, retain);
214 NSSM_HOOK_STATUS_SUCCESS if the hook ran successfully.
215 NSSM_HOOK_STATUS_NOTFOUND if no hook was found.
216 NSSM_HOOK_STATUS_ABORT if the hook failed and we should cancel service start.
217 NSSM_HOOK_STATUS_ERROR on error.
218 NSSM_HOOK_STATUS_NOTRUN if the hook didn't run.
219 NSSM_HOOK_STATUS_TIMEOUT if the hook timed out.
220 NSSM_HOOK_STATUS_FAILED if the hook failed.
222 int nssm_hook(hook_thread_t *hook_threads, nssm_service_t *service, TCHAR *hook_event, TCHAR *hook_action, unsigned long *hook_control, unsigned long deadline, bool async) {
225 hook_t *hook = (hook_t *) HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(hook_t));
227 log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OUT_OF_MEMORY, _T("hook"), _T("nssm_hook()"), 0);
228 return NSSM_HOOK_STATUS_ERROR;
232 GetSystemTimeAsFileTime(&now);
234 EnterCriticalSection(&service->hook_section);
236 /* Set the environment. */
237 set_service_environment(service);
241 _sntprintf_s(number, _countof(number), _TRUNCATE, _T("%lu"), NSSM_HOOK_VERSION);
242 SetEnvironmentVariable(NSSM_HOOK_ENV_VERSION, number);
244 /* Event triggering this action. */
245 SetEnvironmentVariable(NSSM_HOOK_ENV_EVENT, hook_event);
248 SetEnvironmentVariable(NSSM_HOOK_ENV_ACTION, hook_action);
250 /* Control triggering this action. May be empty. */
251 if (hook_control) SetEnvironmentVariable(NSSM_HOOK_ENV_TRIGGER, service_control_text(*hook_control));
252 else SetEnvironmentVariable(NSSM_HOOK_ENV_TRIGGER, _T(""));
254 /* Last control handled. */
255 SetEnvironmentVariable(NSSM_HOOK_ENV_LAST_CONTROL, service_control_text(service->last_control));
258 TCHAR path[PATH_LENGTH];
259 GetModuleFileName(0, path, _countof(path));
260 SetEnvironmentVariable(NSSM_HOOK_ENV_IMAGE_PATH, path);
263 SetEnvironmentVariable(NSSM_HOOK_ENV_NSSM_CONFIGURATION, NSSM_CONFIGURATION);
264 SetEnvironmentVariable(NSSM_HOOK_ENV_NSSM_VERSION, NSSM_VERSION);
265 SetEnvironmentVariable(NSSM_HOOK_ENV_BUILD_DATE, NSSM_DATE);
268 _sntprintf_s(number, _countof(number), _TRUNCATE, _T("%lu"), GetCurrentProcessId());
269 SetEnvironmentVariable(NSSM_HOOK_ENV_PID, number);
272 set_hook_runtime(NSSM_HOOK_ENV_RUNTIME, &service->nssm_creation_time, &now);
274 /* Application PID. */
276 _sntprintf_s(number, _countof(number), _TRUNCATE, _T("%lu"), service->pid);
277 SetEnvironmentVariable(NSSM_HOOK_ENV_APPLICATION_PID, number);
278 /* Application runtime. */
279 set_hook_runtime(NSSM_HOOK_ENV_APPLICATION_RUNTIME, &service->creation_time, &now);
281 SetEnvironmentVariable(NSSM_HOOK_ENV_EXITCODE, _T(""));
284 SetEnvironmentVariable(NSSM_HOOK_ENV_APPLICATION_PID, _T(""));
285 if (str_equiv(hook_event, NSSM_HOOK_EVENT_START) && str_equiv(hook_action, NSSM_HOOK_ACTION_PRE)) {
286 SetEnvironmentVariable(NSSM_HOOK_ENV_APPLICATION_RUNTIME, _T(""));
287 SetEnvironmentVariable(NSSM_HOOK_ENV_EXITCODE, _T(""));
290 set_hook_runtime(NSSM_HOOK_ENV_APPLICATION_RUNTIME, &service->creation_time, &service->exit_time);
292 _sntprintf_s(number, _countof(number), _TRUNCATE, _T("%lu"), service->exitcode);
293 SetEnvironmentVariable(NSSM_HOOK_ENV_EXITCODE, number);
297 /* Deadline for this script. */
298 _sntprintf_s(number, _countof(number), _TRUNCATE, _T("%lu"), deadline);
299 SetEnvironmentVariable(NSSM_HOOK_ENV_DEADLINE, number);
302 SetEnvironmentVariable(NSSM_HOOK_ENV_SERVICE_NAME, service->name);
303 SetEnvironmentVariable(NSSM_HOOK_ENV_SERVICE_DISPLAYNAME, service->displayname);
305 /* Times the service was asked to start. */
306 _sntprintf_s(number, _countof(number), _TRUNCATE, _T("%lu"), service->start_requested_count);
307 SetEnvironmentVariable(NSSM_HOOK_ENV_START_REQUESTED_COUNT, number);
309 /* Times the service actually did start. */
310 _sntprintf_s(number, _countof(number), _TRUNCATE, _T("%lu"), service->start_count);
311 SetEnvironmentVariable(NSSM_HOOK_ENV_START_COUNT, number);
313 /* Times the service exited. */
314 _sntprintf_s(number, _countof(number), _TRUNCATE, _T("%lu"), service->exit_count);
315 SetEnvironmentVariable(NSSM_HOOK_ENV_EXIT_COUNT, number);
317 /* Throttled count. */
318 _sntprintf_s(number, _countof(number), _TRUNCATE, _T("%lu"), service->throttle);
319 SetEnvironmentVariable(NSSM_HOOK_ENV_THROTTLE_COUNT, number);
322 TCHAR app[CMD_LENGTH];
323 _sntprintf_s(app, _countof(app), _TRUNCATE, _T("\"%s\" %s"), service->exe, service->flags);
324 SetEnvironmentVariable(NSSM_HOOK_ENV_COMMAND_LINE, app);
326 TCHAR cmd[CMD_LENGTH];
327 if (get_hook(service->name, hook_event, hook_action, cmd, sizeof(cmd))) {
328 log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_GET_HOOK_FAILED, hook_event, hook_action, service->name, 0);
329 unset_service_environment(service);
330 LeaveCriticalSection(&service->hook_section);
331 HeapFree(GetProcessHeap(), 0, hook);
332 return NSSM_HOOK_STATUS_ERROR;
336 if (! _tcslen(cmd)) {
337 unset_service_environment(service);
338 LeaveCriticalSection(&service->hook_section);
339 HeapFree(GetProcessHeap(), 0, hook);
340 return NSSM_HOOK_STATUS_NOTFOUND;
343 /* Run the command. */
345 ZeroMemory(&si, sizeof(si));
347 PROCESS_INFORMATION pi;
348 ZeroMemory(&pi, sizeof(pi));
349 unsigned long flags = 0;
351 flags |= CREATE_UNICODE_ENVIRONMENT;
353 ret = NSSM_HOOK_STATUS_NOTRUN;
354 if (CreateProcess(0, cmd, 0, 0, false, flags, 0, service->dir, &si, &pi)) {
355 hook->name = (TCHAR *) HeapAlloc(GetProcessHeap(), 0, HOOK_NAME_LENGTH * sizeof(TCHAR));
356 if (hook->name) _sntprintf_s(hook->name, HOOK_NAME_LENGTH, _TRUNCATE, _T("%s (%s/%s)"), service->name, hook_event, hook_action);
357 hook->process_handle = pi.hProcess;
358 hook->pid = pi.dwProcessId;
359 hook->deadline = deadline;
360 if (get_process_creation_time(hook->process_handle, &hook->creation_time)) GetSystemTimeAsFileTime(&hook->creation_time);
363 HANDLE thread_handle = CreateThread(NULL, 0, await_hook, (void *) hook, 0, &tid);
367 await_hook_threads(hook_threads, service->status_handle, &service->status, 0);
368 add_thread_handle(hook_threads, thread_handle, hook->name);
371 await_single_handle(service->status_handle, &service->status, thread_handle, hook->name, _T(__FUNCTION__), deadline + NSSM_SERVICE_STATUS_DEADLINE);
372 unsigned long exitcode;
373 GetExitCodeThread(thread_handle, &exitcode);
374 ret = (int) exitcode;
375 CloseHandle(thread_handle);
379 log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_CREATETHREAD_FAILED, error_string(GetLastError()), 0);
381 if (hook->name) HeapFree(GetProcessHeap(), 0, hook->name);
382 HeapFree(GetProcessHeap(), 0, hook);
386 log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_HOOK_CREATEPROCESS_FAILED, hook_event, hook_action, service->name, cmd, error_string(GetLastError()), 0);
387 HeapFree(GetProcessHeap(), 0, hook);
390 /* Restore our environment. */
391 unset_service_environment(service);
393 LeaveCriticalSection(&service->hook_section);
398 int nssm_hook(hook_thread_t *hook_threads, nssm_service_t *service, TCHAR *hook_event, TCHAR *hook_action, unsigned long *hook_control, unsigned long deadline) {
399 return nssm_hook(hook_threads, service, hook_event, hook_action, hook_control, deadline, true);
402 int nssm_hook(hook_thread_t *hook_threads, nssm_service_t *service, TCHAR *hook_event, TCHAR *hook_action, unsigned long *hook_control) {
403 return nssm_hook(hook_threads, service, hook_event, hook_action, hook_control, NSSM_HOOK_DEADLINE);