--- /dev/null
+#include "nssm.h"
+
+typedef struct {
+ TCHAR *name;
+ HANDLE process_handle;
+ unsigned long pid;
+ unsigned long deadline;
+ FILETIME creation_time;
+ kill_t k;
+} hook_t;
+
+static unsigned long WINAPI await_hook(void *arg) {
+ hook_t *hook = (hook_t *) arg;
+ if (! hook) return NSSM_HOOK_STATUS_ERROR;
+
+ int ret = 0;
+ if (WaitForSingleObject(hook->process_handle, hook->deadline) == WAIT_TIMEOUT) ret = NSSM_HOOK_STATUS_TIMEOUT;
+
+ /* Tidy up hook process tree. */
+ if (hook->name) hook->k.name = hook->name;
+ else hook->k.name = _T("hook");
+ hook->k.process_handle = hook->process_handle;
+ hook->k.pid = hook->pid;
+ hook->k.stop_method = ~0;
+ hook->k.kill_console_delay = NSSM_KILL_CONSOLE_GRACE_PERIOD;
+ hook->k.kill_window_delay = NSSM_KILL_WINDOW_GRACE_PERIOD;
+ hook->k.kill_threads_delay = NSSM_KILL_THREADS_GRACE_PERIOD;
+ hook->k.creation_time = hook->creation_time;
+ GetSystemTimeAsFileTime(&hook->k.exit_time);
+ kill_process_tree(&hook->k, hook->pid);
+
+ if (ret) {
+ CloseHandle(hook->process_handle);
+ if (hook->name) HeapFree(GetProcessHeap(), 0, hook->name);
+ HeapFree(GetProcessHeap(), 0, hook);
+ return ret;
+ }
+
+ unsigned long exitcode;
+ GetExitCodeProcess(hook->process_handle, &exitcode);
+ CloseHandle(hook->process_handle);
+
+ if (hook->name) HeapFree(GetProcessHeap(), 0, hook->name);
+ HeapFree(GetProcessHeap(), 0, hook);
+
+ if (exitcode == NSSM_HOOK_STATUS_ABORT) return NSSM_HOOK_STATUS_ABORT;
+ if (exitcode) return NSSM_HOOK_STATUS_FAILED;
+
+ return NSSM_HOOK_STATUS_SUCCESS;
+}
+
+static void set_hook_runtime(TCHAR *v, FILETIME *start, FILETIME *now) {
+ if (start && now) {
+ ULARGE_INTEGER s;
+ s.LowPart = start->dwLowDateTime;
+ s.HighPart = start->dwHighDateTime;
+ if (s.QuadPart) {
+ ULARGE_INTEGER t;
+ t.LowPart = now->dwLowDateTime;
+ t.HighPart = now->dwHighDateTime;
+ if (t.QuadPart && t.QuadPart >= s.QuadPart) {
+ t.QuadPart -= s.QuadPart;
+ t.QuadPart /= 10000LL;
+ TCHAR number[16];
+ _sntprintf_s(number, _countof(number), _TRUNCATE, _T("%llu"), t.QuadPart);
+ SetEnvironmentVariable(v, number);
+ return;
+ }
+ }
+ }
+ SetEnvironmentVariable(v, _T(""));
+}
+
+static void add_thread_handle(hook_thread_t *hook_threads, HANDLE thread_handle, TCHAR *name) {
+ if (! hook_threads) return;
+
+ int num_threads = hook_threads->num_threads + 1;
+ hook_thread_data_t *data = (hook_thread_data_t *) HeapAlloc(GetProcessHeap(), 0, num_threads * sizeof(hook_thread_data_t));
+ if (! data) {
+ log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OUT_OF_MEMORY, _T("hook_thread_t"), _T("add_thread_handle()"), 0);
+ return;
+ }
+
+ int i;
+ for (i = 0; i < hook_threads->num_threads; i++) memmove(&data[i], &hook_threads->data[i], sizeof(data[i]));
+ memmove(data[i].name, name, sizeof(data[i].name));
+ data[i].thread_handle = thread_handle;
+
+ if (hook_threads->data) HeapFree(GetProcessHeap(), 0, hook_threads->data);
+ hook_threads->data = data;
+ hook_threads->num_threads = num_threads;
+}
+
+bool valid_hook_name(const TCHAR *hook_event, const TCHAR *hook_action, bool quiet) {
+ bool valid_event = false;
+ bool valid_action = false;
+
+ /* Exit/Post */
+ if (str_equiv(hook_event, NSSM_HOOK_EVENT_EXIT)) {
+ if (str_equiv(hook_action, NSSM_HOOK_ACTION_POST)) return true;
+ if (quiet) return false;
+ print_message(stderr, NSSM_MESSAGE_INVALID_HOOK_ACTION, hook_event);
+ _ftprintf(stderr, _T("%s\n"), NSSM_HOOK_ACTION_POST);
+ return false;
+ }
+
+ /* Power/{Change,Resume} */
+ if (str_equiv(hook_event, NSSM_HOOK_EVENT_POWER)) {
+ if (str_equiv(hook_action, NSSM_HOOK_ACTION_CHANGE)) return true;
+ if (str_equiv(hook_action, NSSM_HOOK_ACTION_RESUME)) return true;
+ if (quiet) return false;
+ print_message(stderr, NSSM_MESSAGE_INVALID_HOOK_ACTION, hook_event);
+ _ftprintf(stderr, _T("%s\n"), NSSM_HOOK_ACTION_CHANGE);
+ _ftprintf(stderr, _T("%s\n"), NSSM_HOOK_ACTION_RESUME);
+ return false;
+ }
+
+ /* Rotate/{Pre,Post} */
+ if (str_equiv(hook_event, NSSM_HOOK_EVENT_ROTATE)) {
+ if (str_equiv(hook_action, NSSM_HOOK_ACTION_PRE)) return true;
+ if (str_equiv(hook_action, NSSM_HOOK_ACTION_POST)) return true;
+ if (quiet) return false;
+ print_message(stderr, NSSM_MESSAGE_INVALID_HOOK_ACTION, hook_event);
+ _ftprintf(stderr, _T("%s\n"), NSSM_HOOK_ACTION_PRE);
+ _ftprintf(stderr, _T("%s\n"), NSSM_HOOK_ACTION_POST);
+ return false;
+ }
+
+ /* Start/{Pre,Post} */
+ if (str_equiv(hook_event, NSSM_HOOK_EVENT_START)) {
+ if (str_equiv(hook_action, NSSM_HOOK_ACTION_PRE)) return true;
+ if (str_equiv(hook_action, NSSM_HOOK_ACTION_POST)) return true;
+ if (quiet) return false;
+ print_message(stderr, NSSM_MESSAGE_INVALID_HOOK_ACTION, hook_event);
+ _ftprintf(stderr, _T("%s\n"), NSSM_HOOK_ACTION_PRE);
+ _ftprintf(stderr, _T("%s\n"), NSSM_HOOK_ACTION_POST);
+ return false;
+ }
+
+ /* Stop/Pre */
+ if (str_equiv(hook_event, NSSM_HOOK_EVENT_STOP)) {
+ if (str_equiv(hook_action, NSSM_HOOK_ACTION_PRE)) return true;
+ if (quiet) return false;
+ print_message(stderr, NSSM_MESSAGE_INVALID_HOOK_ACTION, hook_event);
+ _ftprintf(stderr, _T("%s\n"), NSSM_HOOK_ACTION_PRE);
+ return false;
+ }
+
+ if (quiet) return false;
+ print_message(stderr, NSSM_MESSAGE_INVALID_HOOK_EVENT);
+ _ftprintf(stderr, _T("%s\n"), NSSM_HOOK_EVENT_EXIT);
+ _ftprintf(stderr, _T("%s\n"), NSSM_HOOK_EVENT_POWER);
+ _ftprintf(stderr, _T("%s\n"), NSSM_HOOK_EVENT_ROTATE);
+ _ftprintf(stderr, _T("%s\n"), NSSM_HOOK_EVENT_START);
+ _ftprintf(stderr, _T("%s\n"), NSSM_HOOK_EVENT_STOP);
+ return false;
+}
+
+void await_hook_threads(hook_thread_t *hook_threads, SERVICE_STATUS_HANDLE status_handle, SERVICE_STATUS *status, unsigned long deadline) {
+ if (! hook_threads) return;
+ if (! hook_threads->num_threads) return;
+
+ int *retain = (int *) HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, hook_threads->num_threads * sizeof(int));
+ if (! retain) {
+ log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OUT_OF_MEMORY, _T("retain"), _T("await_hook_threads()"), 0);
+ return;
+ }
+
+ /*
+ We could use WaitForMultipleObjects() but await_single_object() can update
+ the service status as well.
+ */
+ int num_threads = 0;
+ int i;
+ for (i = 0; i < hook_threads->num_threads; i++) {
+ if (deadline) {
+ if (await_single_handle(status_handle, status, hook_threads->data[i].thread_handle, hook_threads->data[i].name, _T(__FUNCTION__), deadline) != 1) {
+ CloseHandle(hook_threads->data[i].thread_handle);
+ continue;
+ }
+ }
+ else if (WaitForSingleObject(hook_threads->data[i].thread_handle, 0) != WAIT_TIMEOUT) {
+ CloseHandle(hook_threads->data[i].thread_handle);
+ continue;
+ }
+
+ retain[num_threads++]= i;
+ }
+
+ if (num_threads) {
+ hook_thread_data_t *data = (hook_thread_data_t *) HeapAlloc(GetProcessHeap(), 0, num_threads * sizeof(hook_thread_data_t));
+ if (! data) {
+ log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OUT_OF_MEMORY, _T("data"), _T("await_hook_threads()"), 0);
+ HeapFree(GetProcessHeap(), 0, retain);
+ return;
+ }
+
+ for (i = 0; i < num_threads; i++) memmove(&data[i], &hook_threads->data[retain[i]], sizeof(data[i]));
+
+ HeapFree(GetProcessHeap(), 0, hook_threads->data);
+ hook_threads->data = data;
+ hook_threads->num_threads = num_threads;
+ }
+ else {
+ HeapFree(GetProcessHeap(), 0, hook_threads->data);
+ ZeroMemory(hook_threads, sizeof(*hook_threads));
+ }
+
+ HeapFree(GetProcessHeap(), 0, retain);
+}
+
+/*
+ Returns:
+ NSSM_HOOK_STATUS_SUCCESS if the hook ran successfully.
+ NSSM_HOOK_STATUS_NOTFOUND if no hook was found.
+ NSSM_HOOK_STATUS_ABORT if the hook failed and we should cancel service start.
+ NSSM_HOOK_STATUS_ERROR on error.
+ NSSM_HOOK_STATUS_NOTRUN if the hook didn't run.
+ NSSM_HOOK_STATUS_TIMEOUT if the hook timed out.
+ NSSM_HOOK_STATUS_FAILED if the hook failed.
+*/
+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) {
+ int ret = 0;
+
+ hook_t *hook = (hook_t *) HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(hook_t));
+ if (! hook) {
+ log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OUT_OF_MEMORY, _T("hook"), _T("nssm_hook()"), 0);
+ return NSSM_HOOK_STATUS_ERROR;
+ }
+
+ FILETIME now;
+ GetSystemTimeAsFileTime(&now);
+
+ EnterCriticalSection(&service->hook_section);
+
+ /* Set the environment. */
+ if (service->env) duplicate_environment(service->env);
+ if (service->env_extra) set_environment_block(service->env_extra);
+
+ /* ABI version. */
+ TCHAR number[16];
+ _sntprintf_s(number, _countof(number), _TRUNCATE, _T("%lu"), NSSM_HOOK_VERSION);
+ SetEnvironmentVariable(NSSM_HOOK_ENV_VERSION, number);
+
+ /* Event triggering this action. */
+ SetEnvironmentVariable(NSSM_HOOK_ENV_EVENT, hook_event);
+
+ /* Hook action. */
+ SetEnvironmentVariable(NSSM_HOOK_ENV_ACTION, hook_action);
+
+ /* Control triggering this action. May be empty. */
+ if (hook_control) SetEnvironmentVariable(NSSM_HOOK_ENV_TRIGGER, service_control_text(*hook_control));
+ else SetEnvironmentVariable(NSSM_HOOK_ENV_TRIGGER, _T(""));
+
+ /* Last control handled. */
+ SetEnvironmentVariable(NSSM_HOOK_ENV_LAST_CONTROL, service_control_text(service->last_control));
+
+ /* Path to NSSM. */
+ TCHAR path[PATH_LENGTH];
+ GetModuleFileName(0, path, _countof(path));
+ SetEnvironmentVariable(NSSM_HOOK_ENV_IMAGE_PATH, path);
+
+ /* NSSM version. */
+ SetEnvironmentVariable(NSSM_HOOK_ENV_NSSM_CONFIGURATION, NSSM_CONFIGURATION);
+ SetEnvironmentVariable(NSSM_HOOK_ENV_NSSM_VERSION, NSSM_VERSION);
+ SetEnvironmentVariable(NSSM_HOOK_ENV_BUILD_DATE, NSSM_DATE);
+
+ /* NSSM PID. */
+ _sntprintf_s(number, _countof(number), _TRUNCATE, _T("%lu"), GetCurrentProcessId());
+ SetEnvironmentVariable(NSSM_HOOK_ENV_PID, number);
+
+ /* NSSM runtime. */
+ set_hook_runtime(NSSM_HOOK_ENV_RUNTIME, &service->nssm_creation_time, &now);
+
+ /* Application PID. */
+ if (service->pid) {
+ _sntprintf_s(number, _countof(number), _TRUNCATE, _T("%lu"), service->pid);
+ SetEnvironmentVariable(NSSM_HOOK_ENV_APPLICATION_PID, number);
+ /* Application runtime. */
+ set_hook_runtime(NSSM_HOOK_ENV_APPLICATION_RUNTIME, &service->creation_time, &now);
+ /* Exit code. */
+ SetEnvironmentVariable(NSSM_HOOK_ENV_EXITCODE, _T(""));
+ }
+ else {
+ SetEnvironmentVariable(NSSM_HOOK_ENV_APPLICATION_PID, _T(""));
+ if (str_equiv(hook_event, NSSM_HOOK_EVENT_START) && str_equiv(hook_action, NSSM_HOOK_ACTION_PRE)) {
+ SetEnvironmentVariable(NSSM_HOOK_ENV_APPLICATION_RUNTIME, _T(""));
+ SetEnvironmentVariable(NSSM_HOOK_ENV_EXITCODE, _T(""));
+ }
+ else {
+ set_hook_runtime(NSSM_HOOK_ENV_APPLICATION_RUNTIME, &service->creation_time, &service->exit_time);
+ /* Exit code. */
+ _sntprintf_s(number, _countof(number), _TRUNCATE, _T("%lu"), service->exitcode);
+ SetEnvironmentVariable(NSSM_HOOK_ENV_EXITCODE, number);
+ }
+ }
+
+ /* Deadline for this script. */
+ _sntprintf_s(number, _countof(number), _TRUNCATE, _T("%lu"), deadline);
+ SetEnvironmentVariable(NSSM_HOOK_ENV_DEADLINE, number);
+
+ /* Service name. */
+ SetEnvironmentVariable(NSSM_HOOK_ENV_SERVICE_NAME, service->name);
+ SetEnvironmentVariable(NSSM_HOOK_ENV_SERVICE_DISPLAYNAME, service->displayname);
+
+ /* Times the service was asked to start. */
+ _sntprintf_s(number, _countof(number), _TRUNCATE, _T("%lu"), service->start_requested_count);
+ SetEnvironmentVariable(NSSM_HOOK_ENV_START_REQUESTED_COUNT, number);
+
+ /* Times the service actually did start. */
+ _sntprintf_s(number, _countof(number), _TRUNCATE, _T("%lu"), service->start_count);
+ SetEnvironmentVariable(NSSM_HOOK_ENV_START_COUNT, number);
+
+ /* Times the service exited. */
+ _sntprintf_s(number, _countof(number), _TRUNCATE, _T("%lu"), service->exit_count);
+ SetEnvironmentVariable(NSSM_HOOK_ENV_EXIT_COUNT, number);
+
+ /* Throttled count. */
+ _sntprintf_s(number, _countof(number), _TRUNCATE, _T("%lu"), service->throttle);
+ SetEnvironmentVariable(NSSM_HOOK_ENV_THROTTLE_COUNT, number);
+
+ /* Command line. */
+ TCHAR app[CMD_LENGTH];
+ _sntprintf_s(app, _countof(app), _TRUNCATE, _T("\"%s\" %s"), service->exe, service->flags);
+ SetEnvironmentVariable(NSSM_HOOK_ENV_COMMAND_LINE, app);
+
+ TCHAR cmd[CMD_LENGTH];
+ if (get_hook(service->name, hook_event, hook_action, cmd, sizeof(cmd))) {
+ log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_GET_HOOK_FAILED, hook_event, hook_action, service->name, 0);
+ duplicate_environment_strings(service->initial_env);
+ LeaveCriticalSection(&service->hook_section);
+ HeapFree(GetProcessHeap(), 0, hook);
+ return NSSM_HOOK_STATUS_ERROR;
+ }
+
+ /* No hook. */
+ if (! _tcslen(cmd)) {
+ duplicate_environment_strings(service->initial_env);
+ LeaveCriticalSection(&service->hook_section);
+ HeapFree(GetProcessHeap(), 0, hook);
+ return NSSM_HOOK_STATUS_NOTFOUND;
+ }
+
+ /* Run the command. */
+ STARTUPINFO si;
+ ZeroMemory(&si, sizeof(si));
+ si.cb = sizeof(si);
+ PROCESS_INFORMATION pi;
+ ZeroMemory(&pi, sizeof(pi));
+ unsigned long flags = 0;
+#ifdef UNICODE
+ flags |= CREATE_UNICODE_ENVIRONMENT;
+#endif
+ ret = NSSM_HOOK_STATUS_NOTRUN;
+ if (CreateProcess(0, cmd, 0, 0, false, flags, 0, service->dir, &si, &pi)) {
+ hook->name = (TCHAR *) HeapAlloc(GetProcessHeap(), 0, HOOK_NAME_LENGTH * sizeof(TCHAR));
+ if (hook->name) _sntprintf_s(hook->name, HOOK_NAME_LENGTH, _TRUNCATE, _T("%s (%s/%s)"), service->name, hook_event, hook_action);
+ hook->process_handle = pi.hProcess;
+ hook->pid = pi.dwProcessId;
+ hook->deadline = deadline;
+ if (get_process_creation_time(hook->process_handle, &hook->creation_time)) GetSystemTimeAsFileTime(&hook->creation_time);
+
+ unsigned long tid;
+ HANDLE thread_handle = CreateThread(NULL, 0, await_hook, (void *) hook, 0, &tid);
+ if (thread_handle) {
+ if (async) {
+ ret = 0;
+ await_hook_threads(hook_threads, service->status_handle, &service->status, 0);
+ add_thread_handle(hook_threads, thread_handle, hook->name);
+ }
+ else {
+ await_single_handle(service->status_handle, &service->status, thread_handle, hook->name, _T(__FUNCTION__), deadline + NSSM_SERVICE_STATUS_DEADLINE);
+ unsigned long exitcode;
+ GetExitCodeThread(thread_handle, &exitcode);
+ ret = (int) exitcode;
+ CloseHandle(thread_handle);
+ }
+ }
+ else {
+ log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_CREATETHREAD_FAILED, error_string(GetLastError()), 0);
+ await_hook(hook);
+ if (hook->name) HeapFree(GetProcessHeap(), 0, hook->name);
+ HeapFree(GetProcessHeap(), 0, hook);
+ }
+ }
+ else {
+ log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_HOOK_CREATEPROCESS_FAILED, hook_event, hook_action, service->name, cmd, error_string(GetLastError()), 0);
+ HeapFree(GetProcessHeap(), 0, hook);
+ }
+
+ /* Restore our environment. */
+ duplicate_environment_strings(service->initial_env);
+
+ LeaveCriticalSection(&service->hook_section);
+
+ return ret;
+}
+
+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) {
+ return nssm_hook(hook_threads, service, hook_event, hook_action, hook_control, deadline, true);
+}
+
+int nssm_hook(hook_thread_t *hook_threads, nssm_service_t *service, TCHAR *hook_event, TCHAR *hook_action, unsigned long *hook_control) {
+ return nssm_hook(hook_threads, service, hook_event, hook_action, hook_control, NSSM_HOOK_DEADLINE);
+}
git://git.iain.cx/iain / nssm.git / blobdiff