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@@ -0,0 +1,405 @@
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+#include "nssm.h"
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+
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+typedef struct {
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+ TCHAR *name;
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+ HANDLE process_handle;
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+ unsigned long pid;
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+ unsigned long deadline;
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+ FILETIME creation_time;
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+ kill_t k;
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+} hook_t;
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+
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+static unsigned long WINAPI await_hook(void *arg) {
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+ hook_t *hook = (hook_t *) arg;
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+ if (! hook) return NSSM_HOOK_STATUS_ERROR;
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+
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+ int ret = 0;
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+ if (WaitForSingleObject(hook->process_handle, hook->deadline) == WAIT_TIMEOUT) ret = NSSM_HOOK_STATUS_TIMEOUT;
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+
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+ /* Tidy up hook process tree. */
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+ if (hook->name) hook->k.name = hook->name;
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+ else hook->k.name = _T("hook");
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+ hook->k.process_handle = hook->process_handle;
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+ hook->k.pid = hook->pid;
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+ hook->k.stop_method = ~0;
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+ hook->k.kill_console_delay = NSSM_KILL_CONSOLE_GRACE_PERIOD;
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+ hook->k.kill_window_delay = NSSM_KILL_WINDOW_GRACE_PERIOD;
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+ hook->k.kill_threads_delay = NSSM_KILL_THREADS_GRACE_PERIOD;
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+ hook->k.creation_time = hook->creation_time;
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+ GetSystemTimeAsFileTime(&hook->k.exit_time);
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+ kill_process_tree(&hook->k, hook->pid);
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+
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+ if (ret) {
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+ CloseHandle(hook->process_handle);
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+ if (hook->name) HeapFree(GetProcessHeap(), 0, hook->name);
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+ HeapFree(GetProcessHeap(), 0, hook);
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+ return ret;
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+ }
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+
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+ unsigned long exitcode;
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+ GetExitCodeProcess(hook->process_handle, &exitcode);
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+ CloseHandle(hook->process_handle);
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+
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+ if (hook->name) HeapFree(GetProcessHeap(), 0, hook->name);
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+ HeapFree(GetProcessHeap(), 0, hook);
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+
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+ if (exitcode == NSSM_HOOK_STATUS_ABORT) return NSSM_HOOK_STATUS_ABORT;
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+ if (exitcode) return NSSM_HOOK_STATUS_FAILED;
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+
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+ return NSSM_HOOK_STATUS_SUCCESS;
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+}
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+
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+static void set_hook_runtime(TCHAR *v, FILETIME *start, FILETIME *now) {
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+ if (start && now) {
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+ ULARGE_INTEGER s;
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+ s.LowPart = start->dwLowDateTime;
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+ s.HighPart = start->dwHighDateTime;
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+ if (s.QuadPart) {
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+ ULARGE_INTEGER t;
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+ t.LowPart = now->dwLowDateTime;
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+ t.HighPart = now->dwHighDateTime;
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+ if (t.QuadPart && t.QuadPart >= s.QuadPart) {
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+ t.QuadPart -= s.QuadPart;
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+ t.QuadPart /= 10000LL;
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+ TCHAR number[16];
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+ _sntprintf_s(number, _countof(number), _TRUNCATE, _T("%llu"), t.QuadPart);
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+ SetEnvironmentVariable(v, number);
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+ return;
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+ }
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+ }
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+ }
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+ SetEnvironmentVariable(v, _T(""));
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+}
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+
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+static void add_thread_handle(hook_thread_t *hook_threads, HANDLE thread_handle, TCHAR *name) {
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+ if (! hook_threads) return;
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+
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+ int num_threads = hook_threads->num_threads + 1;
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+ hook_thread_data_t *data = (hook_thread_data_t *) HeapAlloc(GetProcessHeap(), 0, num_threads * sizeof(hook_thread_data_t));
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+ if (! data) {
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+ log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OUT_OF_MEMORY, _T("hook_thread_t"), _T("add_thread_handle()"), 0);
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+ return;
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+ }
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+
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+ int i;
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+ for (i = 0; i < hook_threads->num_threads; i++) memmove(&data[i], &hook_threads->data[i], sizeof(data[i]));
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+ memmove(data[i].name, name, sizeof(data[i].name));
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+ data[i].thread_handle = thread_handle;
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+
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+ if (hook_threads->data) HeapFree(GetProcessHeap(), 0, hook_threads->data);
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+ hook_threads->data = data;
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+ hook_threads->num_threads = num_threads;
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+}
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+
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+bool valid_hook_name(const TCHAR *hook_event, const TCHAR *hook_action, bool quiet) {
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+ bool valid_event = false;
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+ bool valid_action = false;
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+
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+ /* Exit/Post */
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+ if (str_equiv(hook_event, NSSM_HOOK_EVENT_EXIT)) {
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+ if (str_equiv(hook_action, NSSM_HOOK_ACTION_POST)) return true;
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+ if (quiet) return false;
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+ print_message(stderr, NSSM_MESSAGE_INVALID_HOOK_ACTION, hook_event);
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+ _ftprintf(stderr, _T("%s\n"), NSSM_HOOK_ACTION_POST);
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+ return false;
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+ }
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+
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+ /* Power/{Change,Resume} */
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+ if (str_equiv(hook_event, NSSM_HOOK_EVENT_POWER)) {
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+ if (str_equiv(hook_action, NSSM_HOOK_ACTION_CHANGE)) return true;
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+ if (str_equiv(hook_action, NSSM_HOOK_ACTION_RESUME)) return true;
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+ if (quiet) return false;
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+ print_message(stderr, NSSM_MESSAGE_INVALID_HOOK_ACTION, hook_event);
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+ _ftprintf(stderr, _T("%s\n"), NSSM_HOOK_ACTION_CHANGE);
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+ _ftprintf(stderr, _T("%s\n"), NSSM_HOOK_ACTION_RESUME);
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+ return false;
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+ }
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+
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+ /* Rotate/{Pre,Post} */
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+ if (str_equiv(hook_event, NSSM_HOOK_EVENT_ROTATE)) {
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+ if (str_equiv(hook_action, NSSM_HOOK_ACTION_PRE)) return true;
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+ if (str_equiv(hook_action, NSSM_HOOK_ACTION_POST)) return true;
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+ if (quiet) return false;
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+ print_message(stderr, NSSM_MESSAGE_INVALID_HOOK_ACTION, hook_event);
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+ _ftprintf(stderr, _T("%s\n"), NSSM_HOOK_ACTION_PRE);
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+ _ftprintf(stderr, _T("%s\n"), NSSM_HOOK_ACTION_POST);
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+ return false;
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+ }
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+
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+ /* Start/{Pre,Post} */
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+ if (str_equiv(hook_event, NSSM_HOOK_EVENT_START)) {
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+ if (str_equiv(hook_action, NSSM_HOOK_ACTION_PRE)) return true;
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+ if (str_equiv(hook_action, NSSM_HOOK_ACTION_POST)) return true;
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+ if (quiet) return false;
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+ print_message(stderr, NSSM_MESSAGE_INVALID_HOOK_ACTION, hook_event);
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+ _ftprintf(stderr, _T("%s\n"), NSSM_HOOK_ACTION_PRE);
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+ _ftprintf(stderr, _T("%s\n"), NSSM_HOOK_ACTION_POST);
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+ return false;
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+ }
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+
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+ /* Stop/Pre */
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+ if (str_equiv(hook_event, NSSM_HOOK_EVENT_STOP)) {
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+ if (str_equiv(hook_action, NSSM_HOOK_ACTION_PRE)) return true;
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+ if (quiet) return false;
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+ print_message(stderr, NSSM_MESSAGE_INVALID_HOOK_ACTION, hook_event);
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+ _ftprintf(stderr, _T("%s\n"), NSSM_HOOK_ACTION_PRE);
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+ return false;
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+ }
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+
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+ if (quiet) return false;
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+ print_message(stderr, NSSM_MESSAGE_INVALID_HOOK_EVENT);
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+ _ftprintf(stderr, _T("%s\n"), NSSM_HOOK_EVENT_EXIT);
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+ _ftprintf(stderr, _T("%s\n"), NSSM_HOOK_EVENT_POWER);
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+ _ftprintf(stderr, _T("%s\n"), NSSM_HOOK_EVENT_ROTATE);
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+ _ftprintf(stderr, _T("%s\n"), NSSM_HOOK_EVENT_START);
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+ _ftprintf(stderr, _T("%s\n"), NSSM_HOOK_EVENT_STOP);
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+ return false;
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+}
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+
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+void await_hook_threads(hook_thread_t *hook_threads, SERVICE_STATUS_HANDLE status_handle, SERVICE_STATUS *status, unsigned long deadline) {
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+ if (! hook_threads) return;
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+ if (! hook_threads->num_threads) return;
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+
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+ int *retain = (int *) HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, hook_threads->num_threads * sizeof(int));
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+ if (! retain) {
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+ log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OUT_OF_MEMORY, _T("retain"), _T("await_hook_threads()"), 0);
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+ return;
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+ }
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+
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+ /*
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+ We could use WaitForMultipleObjects() but await_single_object() can update
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+ the service status as well.
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+ */
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+ int num_threads = 0;
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+ int i;
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+ for (i = 0; i < hook_threads->num_threads; i++) {
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+ if (deadline) {
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+ if (await_single_handle(status_handle, status, hook_threads->data[i].thread_handle, hook_threads->data[i].name, _T(__FUNCTION__), deadline) != 1) {
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+ CloseHandle(hook_threads->data[i].thread_handle);
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+ continue;
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+ }
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+ }
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+ else if (WaitForSingleObject(hook_threads->data[i].thread_handle, 0) != WAIT_TIMEOUT) {
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+ CloseHandle(hook_threads->data[i].thread_handle);
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+ continue;
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+ }
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+
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+ retain[num_threads++]= i;
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+ }
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+
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+ if (num_threads) {
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+ hook_thread_data_t *data = (hook_thread_data_t *) HeapAlloc(GetProcessHeap(), 0, num_threads * sizeof(hook_thread_data_t));
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+ if (! data) {
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+ log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OUT_OF_MEMORY, _T("data"), _T("await_hook_threads()"), 0);
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+ HeapFree(GetProcessHeap(), 0, retain);
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+ return;
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+ }
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+
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+ for (i = 0; i < num_threads; i++) memmove(&data[i], &hook_threads->data[retain[i]], sizeof(data[i]));
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+
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+ HeapFree(GetProcessHeap(), 0, hook_threads->data);
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+ hook_threads->data = data;
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+ hook_threads->num_threads = num_threads;
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+ }
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+ else {
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+ HeapFree(GetProcessHeap(), 0, hook_threads->data);
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+ ZeroMemory(hook_threads, sizeof(*hook_threads));
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+ }
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+
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+ HeapFree(GetProcessHeap(), 0, retain);
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+}
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+
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+/*
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+ Returns:
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+ NSSM_HOOK_STATUS_SUCCESS if the hook ran successfully.
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+ NSSM_HOOK_STATUS_NOTFOUND if no hook was found.
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+ NSSM_HOOK_STATUS_ABORT if the hook failed and we should cancel service start.
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+ NSSM_HOOK_STATUS_ERROR on error.
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+ NSSM_HOOK_STATUS_NOTRUN if the hook didn't run.
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+ NSSM_HOOK_STATUS_TIMEOUT if the hook timed out.
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+ NSSM_HOOK_STATUS_FAILED if the hook failed.
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+*/
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+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) {
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+ int ret = 0;
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+
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+ hook_t *hook = (hook_t *) HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(hook_t));
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+ if (! hook) {
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+ log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OUT_OF_MEMORY, _T("hook"), _T("nssm_hook()"), 0);
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+ return NSSM_HOOK_STATUS_ERROR;
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+ }
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+
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+ FILETIME now;
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+ GetSystemTimeAsFileTime(&now);
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+
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+ EnterCriticalSection(&service->hook_section);
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+
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+ /* Set the environment. */
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+ if (service->env) duplicate_environment(service->env);
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+ if (service->env_extra) set_environment_block(service->env_extra);
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+
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+ /* ABI version. */
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+ TCHAR number[16];
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+ _sntprintf_s(number, _countof(number), _TRUNCATE, _T("%lu"), NSSM_HOOK_VERSION);
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+ SetEnvironmentVariable(NSSM_HOOK_ENV_VERSION, number);
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+
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+ /* Event triggering this action. */
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+ SetEnvironmentVariable(NSSM_HOOK_ENV_EVENT, hook_event);
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+
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+ /* Hook action. */
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+ SetEnvironmentVariable(NSSM_HOOK_ENV_ACTION, hook_action);
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+
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+ /* Control triggering this action. May be empty. */
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+ if (hook_control) SetEnvironmentVariable(NSSM_HOOK_ENV_TRIGGER, service_control_text(*hook_control));
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+ else SetEnvironmentVariable(NSSM_HOOK_ENV_TRIGGER, _T(""));
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+
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+ /* Last control handled. */
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+ SetEnvironmentVariable(NSSM_HOOK_ENV_LAST_CONTROL, service_control_text(service->last_control));
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+
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+ /* Path to NSSM. */
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+ TCHAR path[PATH_LENGTH];
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+ GetModuleFileName(0, path, _countof(path));
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+ SetEnvironmentVariable(NSSM_HOOK_ENV_IMAGE_PATH, path);
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+
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+ /* NSSM version. */
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+ SetEnvironmentVariable(NSSM_HOOK_ENV_NSSM_CONFIGURATION, NSSM_CONFIGURATION);
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+ SetEnvironmentVariable(NSSM_HOOK_ENV_NSSM_VERSION, NSSM_VERSION);
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+ SetEnvironmentVariable(NSSM_HOOK_ENV_BUILD_DATE, NSSM_DATE);
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+
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+ /* NSSM PID. */
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+ _sntprintf_s(number, _countof(number), _TRUNCATE, _T("%lu"), GetCurrentProcessId());
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+ SetEnvironmentVariable(NSSM_HOOK_ENV_PID, number);
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+
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+ /* NSSM runtime. */
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+ set_hook_runtime(NSSM_HOOK_ENV_RUNTIME, &service->nssm_creation_time, &now);
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+
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+ /* Application PID. */
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+ if (service->pid) {
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+ _sntprintf_s(number, _countof(number), _TRUNCATE, _T("%lu"), service->pid);
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+ SetEnvironmentVariable(NSSM_HOOK_ENV_APPLICATION_PID, number);
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+ /* Application runtime. */
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+ set_hook_runtime(NSSM_HOOK_ENV_APPLICATION_RUNTIME, &service->creation_time, &now);
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+ /* Exit code. */
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+ SetEnvironmentVariable(NSSM_HOOK_ENV_EXITCODE, _T(""));
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+ }
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+ else {
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+ SetEnvironmentVariable(NSSM_HOOK_ENV_APPLICATION_PID, _T(""));
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+ if (str_equiv(hook_event, NSSM_HOOK_EVENT_START) && str_equiv(hook_action, NSSM_HOOK_ACTION_PRE)) {
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+ SetEnvironmentVariable(NSSM_HOOK_ENV_APPLICATION_RUNTIME, _T(""));
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+ SetEnvironmentVariable(NSSM_HOOK_ENV_EXITCODE, _T(""));
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+ }
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+ else {
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+ set_hook_runtime(NSSM_HOOK_ENV_APPLICATION_RUNTIME, &service->creation_time, &service->exit_time);
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+ /* Exit code. */
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+ _sntprintf_s(number, _countof(number), _TRUNCATE, _T("%lu"), service->exitcode);
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+ SetEnvironmentVariable(NSSM_HOOK_ENV_EXITCODE, number);
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+ }
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+ }
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+
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+ /* Deadline for this script. */
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+ _sntprintf_s(number, _countof(number), _TRUNCATE, _T("%lu"), deadline);
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+ SetEnvironmentVariable(NSSM_HOOK_ENV_DEADLINE, number);
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+
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+ /* Service name. */
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+ SetEnvironmentVariable(NSSM_HOOK_ENV_SERVICE_NAME, service->name);
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+ SetEnvironmentVariable(NSSM_HOOK_ENV_SERVICE_DISPLAYNAME, service->displayname);
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+
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+ /* Times the service was asked to start. */
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+ _sntprintf_s(number, _countof(number), _TRUNCATE, _T("%lu"), service->start_requested_count);
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+ SetEnvironmentVariable(NSSM_HOOK_ENV_START_REQUESTED_COUNT, number);
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+
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+ /* Times the service actually did start. */
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+ _sntprintf_s(number, _countof(number), _TRUNCATE, _T("%lu"), service->start_count);
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+ SetEnvironmentVariable(NSSM_HOOK_ENV_START_COUNT, number);
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+
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+ /* Times the service exited. */
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+ _sntprintf_s(number, _countof(number), _TRUNCATE, _T("%lu"), service->exit_count);
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+ SetEnvironmentVariable(NSSM_HOOK_ENV_EXIT_COUNT, number);
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+
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+ /* Throttled count. */
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+ _sntprintf_s(number, _countof(number), _TRUNCATE, _T("%lu"), service->throttle);
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+ SetEnvironmentVariable(NSSM_HOOK_ENV_THROTTLE_COUNT, number);
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+
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+ /* Command line. */
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+ TCHAR app[CMD_LENGTH];
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+ _sntprintf_s(app, _countof(app), _TRUNCATE, _T("\"%s\" %s"), service->exe, service->flags);
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+ SetEnvironmentVariable(NSSM_HOOK_ENV_COMMAND_LINE, app);
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+
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+ TCHAR cmd[CMD_LENGTH];
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+ if (get_hook(service->name, hook_event, hook_action, cmd, sizeof(cmd))) {
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+ log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_GET_HOOK_FAILED, hook_event, hook_action, service->name, 0);
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+ duplicate_environment_strings(service->initial_env);
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+ LeaveCriticalSection(&service->hook_section);
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+ HeapFree(GetProcessHeap(), 0, hook);
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+ return NSSM_HOOK_STATUS_ERROR;
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+ }
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+
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+ /* No hook. */
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+ if (! _tcslen(cmd)) {
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|
+ 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);
|
|
|
+}
|
