registry.cpp 23 KB

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  1. #include "nssm.h"
  2. extern const TCHAR *exit_action_strings[];
  3. int create_messages() {
  4. HKEY key;
  5. TCHAR registry[KEY_LENGTH];
  6. if (_sntprintf_s(registry, _countof(registry), _TRUNCATE, _T("SYSTEM\\CurrentControlSet\\Services\\EventLog\\Application\\%s"), NSSM) < 0) {
  7. log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OUT_OF_MEMORY, _T("eventlog registry"), _T("create_messages()"), 0);
  8. return 1;
  9. }
  10. if (RegCreateKeyEx(HKEY_LOCAL_MACHINE, registry, 0, 0, REG_OPTION_NON_VOLATILE, KEY_WRITE, 0, &key, 0) != ERROR_SUCCESS) {
  11. log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OPENKEY_FAILED, registry, error_string(GetLastError()), 0);
  12. return 2;
  13. }
  14. /* Get path of this program */
  15. TCHAR path[MAX_PATH];
  16. GetModuleFileName(0, path, _countof(path));
  17. /* Try to register the module but don't worry so much on failure */
  18. RegSetValueEx(key, _T("EventMessageFile"), 0, REG_SZ, (const unsigned char *) path, (unsigned long) (_tcslen(path) + 1) * sizeof(TCHAR));
  19. unsigned long types = EVENTLOG_INFORMATION_TYPE | EVENTLOG_WARNING_TYPE | EVENTLOG_ERROR_TYPE;
  20. RegSetValueEx(key, _T("TypesSupported"), 0, REG_DWORD, (const unsigned char *) &types, sizeof(types));
  21. return 0;
  22. }
  23. int create_parameters(nssm_service_t *service, bool editing) {
  24. /* Get registry */
  25. TCHAR registry[KEY_LENGTH];
  26. if (_sntprintf_s(registry, _countof(registry), _TRUNCATE, NSSM_REGISTRY, service->name) < 0) {
  27. log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OUT_OF_MEMORY, _T("NSSM_REGISTRY"), _T("create_parameters()"), 0);
  28. return 1;
  29. }
  30. /* Try to open the registry */
  31. HKEY key;
  32. if (RegCreateKeyEx(HKEY_LOCAL_MACHINE, registry, 0, 0, REG_OPTION_NON_VOLATILE, KEY_WRITE, 0, &key, 0) != ERROR_SUCCESS) {
  33. log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OPENKEY_FAILED, registry, error_string(GetLastError()), 0);
  34. return 2;
  35. }
  36. /* Try to create the parameters */
  37. if (set_expand_string(key, NSSM_REG_EXE, service->exe)) {
  38. RegDeleteKey(HKEY_LOCAL_MACHINE, NSSM_REGISTRY);
  39. RegCloseKey(key);
  40. return 3;
  41. }
  42. if (set_expand_string(key, NSSM_REG_FLAGS, service->flags)) {
  43. RegDeleteKey(HKEY_LOCAL_MACHINE, NSSM_REGISTRY);
  44. RegCloseKey(key);
  45. return 4;
  46. }
  47. if (set_expand_string(key, NSSM_REG_DIR, service->dir)) {
  48. RegDeleteKey(HKEY_LOCAL_MACHINE, NSSM_REGISTRY);
  49. RegCloseKey(key);
  50. return 5;
  51. }
  52. /* Other non-default parameters. May fail. */
  53. unsigned long stop_method_skip = ~service->stop_method;
  54. if (stop_method_skip) set_number(key, NSSM_REG_STOP_METHOD_SKIP, stop_method_skip);
  55. else if (editing) RegDeleteValue(key, NSSM_REG_STOP_METHOD_SKIP);
  56. if (service->default_exit_action < NSSM_NUM_EXIT_ACTIONS) create_exit_action(service->name, exit_action_strings[service->default_exit_action], editing);
  57. if (service->throttle_delay != NSSM_RESET_THROTTLE_RESTART) set_number(key, NSSM_REG_THROTTLE, service->throttle_delay);
  58. else if (editing) RegDeleteValue(key, NSSM_REG_THROTTLE);
  59. if (service->kill_console_delay != NSSM_KILL_CONSOLE_GRACE_PERIOD) set_number(key, NSSM_REG_KILL_CONSOLE_GRACE_PERIOD, service->kill_console_delay);
  60. else if (editing) RegDeleteValue(key, NSSM_REG_KILL_CONSOLE_GRACE_PERIOD);
  61. if (service->kill_window_delay != NSSM_KILL_WINDOW_GRACE_PERIOD) set_number(key, NSSM_REG_KILL_WINDOW_GRACE_PERIOD, service->kill_window_delay);
  62. else if (editing) RegDeleteValue(key, NSSM_REG_KILL_WINDOW_GRACE_PERIOD);
  63. if (service->kill_threads_delay != NSSM_KILL_THREADS_GRACE_PERIOD) set_number(key, NSSM_REG_KILL_THREADS_GRACE_PERIOD, service->kill_threads_delay);
  64. else if (editing) RegDeleteValue(key, NSSM_REG_KILL_THREADS_GRACE_PERIOD);
  65. if (service->stdin_path[0] || editing) {
  66. if (service->stdin_path[0]) set_expand_string(key, NSSM_REG_STDIN, service->stdin_path);
  67. else if (editing) RegDeleteValue(key, NSSM_REG_STDIN);
  68. if (service->stdin_sharing != NSSM_STDIN_SHARING) set_createfile_parameter(key, NSSM_REG_STDIN, NSSM_REG_STDIO_SHARING, service->stdin_sharing);
  69. else if (editing) delete_createfile_parameter(key, NSSM_REG_STDIN, NSSM_REG_STDIO_SHARING);
  70. if (service->stdin_disposition != NSSM_STDIN_DISPOSITION) set_createfile_parameter(key, NSSM_REG_STDIN, NSSM_REG_STDIO_DISPOSITION, service->stdin_disposition);
  71. else if (editing) delete_createfile_parameter(key, NSSM_REG_STDIN, NSSM_REG_STDIO_DISPOSITION);
  72. if (service->stdin_flags != NSSM_STDIN_FLAGS) set_createfile_parameter(key, NSSM_REG_STDIN, NSSM_REG_STDIO_FLAGS, service->stdin_flags);
  73. else if (editing) delete_createfile_parameter(key, NSSM_REG_STDIN, NSSM_REG_STDIO_FLAGS);
  74. }
  75. if (service->stdout_path[0] || editing) {
  76. if (service->stdout_path[0]) set_expand_string(key, NSSM_REG_STDOUT, service->stdout_path);
  77. else if (editing) RegDeleteValue(key, NSSM_REG_STDOUT);
  78. if (service->stdout_sharing != NSSM_STDOUT_SHARING) set_createfile_parameter(key, NSSM_REG_STDOUT, NSSM_REG_STDIO_SHARING, service->stdout_sharing);
  79. else if (editing) delete_createfile_parameter(key, NSSM_REG_STDOUT, NSSM_REG_STDIO_SHARING);
  80. if (service->stdout_disposition != NSSM_STDOUT_DISPOSITION) set_createfile_parameter(key, NSSM_REG_STDOUT, NSSM_REG_STDIO_DISPOSITION, service->stdout_disposition);
  81. else if (editing) delete_createfile_parameter(key, NSSM_REG_STDOUT, NSSM_REG_STDIO_DISPOSITION);
  82. if (service->stdout_flags != NSSM_STDOUT_FLAGS) set_createfile_parameter(key, NSSM_REG_STDOUT, NSSM_REG_STDIO_FLAGS, service->stdout_flags);
  83. else if (editing) delete_createfile_parameter(key, NSSM_REG_STDOUT, NSSM_REG_STDIO_FLAGS);
  84. }
  85. if (service->stderr_path[0] || editing) {
  86. if (service->stderr_path[0]) set_expand_string(key, NSSM_REG_STDERR, service->stderr_path);
  87. else if (editing) RegDeleteValue(key, NSSM_REG_STDERR);
  88. if (service->stderr_sharing != NSSM_STDERR_SHARING) set_createfile_parameter(key, NSSM_REG_STDERR, NSSM_REG_STDIO_SHARING, service->stderr_sharing);
  89. else if (editing) delete_createfile_parameter(key, NSSM_REG_STDERR, NSSM_REG_STDIO_SHARING);
  90. if (service->stderr_disposition != NSSM_STDERR_DISPOSITION) set_createfile_parameter(key, NSSM_REG_STDERR, NSSM_REG_STDIO_DISPOSITION, service->stderr_disposition);
  91. else if (editing) delete_createfile_parameter(key, NSSM_REG_STDERR, NSSM_REG_STDIO_DISPOSITION);
  92. if (service->stderr_flags != NSSM_STDERR_FLAGS) set_createfile_parameter(key, NSSM_REG_STDERR, NSSM_REG_STDIO_FLAGS, service->stderr_flags);
  93. else if (editing) delete_createfile_parameter(key, NSSM_REG_STDERR, NSSM_REG_STDIO_FLAGS);
  94. }
  95. if (service->rotate_files) set_number(key, NSSM_REG_ROTATE, 1);
  96. else if (editing) RegDeleteValue(key, NSSM_REG_ROTATE);
  97. if (service->rotate_seconds) set_number(key, NSSM_REG_ROTATE_SECONDS, service->rotate_seconds);
  98. else if (editing) RegDeleteValue(key, NSSM_REG_ROTATE_SECONDS);
  99. if (service->rotate_bytes_low) set_number(key, NSSM_REG_ROTATE_BYTES_LOW, service->rotate_bytes_low);
  100. else if (editing) RegDeleteValue(key, NSSM_REG_ROTATE_BYTES_LOW);
  101. if (service->rotate_bytes_high) set_number(key, NSSM_REG_ROTATE_BYTES_HIGH, service->rotate_bytes_high);
  102. else if (editing) RegDeleteValue(key, NSSM_REG_ROTATE_BYTES_HIGH);
  103. /* Environment */
  104. if (service->env) {
  105. if (RegSetValueEx(key, NSSM_REG_ENV, 0, REG_MULTI_SZ, (const unsigned char *) service->env, (unsigned long) service->envlen * sizeof(TCHAR)) != ERROR_SUCCESS) {
  106. log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_SETVALUE_FAILED, NSSM_REG_ENV, error_string(GetLastError()), 0);
  107. }
  108. }
  109. else if (editing) RegDeleteValue(key, NSSM_REG_ENV);
  110. if (service->env_extra) {
  111. if (RegSetValueEx(key, NSSM_REG_ENV_EXTRA, 0, REG_MULTI_SZ, (const unsigned char *) service->env_extra, (unsigned long) service->env_extralen * sizeof(TCHAR)) != ERROR_SUCCESS) {
  112. log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_SETVALUE_FAILED, NSSM_REG_ENV_EXTRA, error_string(GetLastError()), 0);
  113. }
  114. }
  115. else if (editing) RegDeleteValue(key, NSSM_REG_ENV_EXTRA);
  116. /* Close registry. */
  117. RegCloseKey(key);
  118. return 0;
  119. }
  120. int create_exit_action(TCHAR *service_name, const TCHAR *action_string, bool editing) {
  121. /* Get registry */
  122. TCHAR registry[KEY_LENGTH];
  123. if (_sntprintf_s(registry, _countof(registry), _TRUNCATE, NSSM_REGISTRY _T("\\%s"), service_name, NSSM_REG_EXIT) < 0) {
  124. log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OUT_OF_MEMORY, _T("NSSM_REG_EXIT"), _T("create_exit_action()"), 0);
  125. return 1;
  126. }
  127. /* Try to open the registry */
  128. HKEY key;
  129. unsigned long disposition;
  130. if (RegCreateKeyEx(HKEY_LOCAL_MACHINE, registry, 0, 0, REG_OPTION_NON_VOLATILE, KEY_WRITE, 0, &key, &disposition) != ERROR_SUCCESS) {
  131. log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OPENKEY_FAILED, registry, error_string(GetLastError()), 0);
  132. return 2;
  133. }
  134. /* Do nothing if the key already existed */
  135. if (disposition == REG_OPENED_EXISTING_KEY && ! editing) {
  136. RegCloseKey(key);
  137. return 0;
  138. }
  139. /* Create the default value */
  140. if (RegSetValueEx(key, 0, 0, REG_SZ, (const unsigned char *) action_string, (unsigned long) (_tcslen(action_string) + 1) * sizeof(TCHAR)) != ERROR_SUCCESS) {
  141. log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_SETVALUE_FAILED, NSSM_REG_EXIT, error_string(GetLastError()), 0);
  142. RegCloseKey(key);
  143. return 3;
  144. }
  145. /* Close registry */
  146. RegCloseKey(key);
  147. return 0;
  148. }
  149. int set_environment(TCHAR *service_name, HKEY key, TCHAR *value, TCHAR **env, unsigned long *envlen) {
  150. unsigned long type = REG_MULTI_SZ;
  151. /* Dummy test to find buffer size */
  152. unsigned long ret = RegQueryValueEx(key, value, 0, &type, NULL, envlen);
  153. if (ret != ERROR_SUCCESS) {
  154. *env = 0;
  155. *envlen = 0;
  156. /* The service probably doesn't have any environment configured */
  157. if (ret == ERROR_FILE_NOT_FOUND) return 0;
  158. log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_QUERYVALUE_FAILED, value, error_string(GetLastError()), 0);
  159. return 1;
  160. }
  161. if (type != REG_MULTI_SZ) {
  162. *env = 0;
  163. *envlen = 0;
  164. log_event(EVENTLOG_WARNING_TYPE, NSSM_EVENT_INVALID_ENVIRONMENT_STRING_TYPE, value, service_name, 0);
  165. return 2;
  166. }
  167. /* Probably not possible */
  168. if (! *envlen) return 0;
  169. /* Previously initialised? */
  170. if (*env) HeapFree(GetProcessHeap(), 0, *env);
  171. *env = (TCHAR *) HeapAlloc(GetProcessHeap(), 0, *envlen);
  172. if (! *env) {
  173. *envlen = 0;
  174. log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OUT_OF_MEMORY, value, _T("set_environment()"), 0);
  175. return 3;
  176. }
  177. /* Actually get the strings */
  178. ret = RegQueryValueEx(key, value, 0, &type, (unsigned char *) *env, envlen);
  179. if (ret != ERROR_SUCCESS) {
  180. HeapFree(GetProcessHeap(), 0, *env);
  181. *env = 0;
  182. *envlen = 0;
  183. log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_QUERYVALUE_FAILED, value, error_string(GetLastError()), 0);
  184. return 4;
  185. }
  186. return 0;
  187. }
  188. int expand_parameter(HKEY key, TCHAR *value, TCHAR *data, unsigned long datalen, bool sanitise, bool must_exist) {
  189. TCHAR *buffer = (TCHAR *) HeapAlloc(GetProcessHeap(), 0, datalen);
  190. if (! buffer) {
  191. log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OUT_OF_MEMORY, value, _T("expand_parameter()"), 0);
  192. return 1;
  193. }
  194. ZeroMemory(data, datalen);
  195. unsigned long type = REG_EXPAND_SZ;
  196. unsigned long buflen = datalen;
  197. unsigned long ret = RegQueryValueEx(key, value, 0, &type, (unsigned char *) buffer, &buflen);
  198. if (ret != ERROR_SUCCESS) {
  199. unsigned long error = GetLastError();
  200. HeapFree(GetProcessHeap(), 0, buffer);
  201. if (ret == ERROR_FILE_NOT_FOUND) {
  202. if (! must_exist) return 0;
  203. }
  204. log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_QUERYVALUE_FAILED, value, error_string(error), 0);
  205. return 2;
  206. }
  207. /* Paths aren't allowed to contain quotes. */
  208. if (sanitise) PathUnquoteSpaces(buffer);
  209. /* Technically we shouldn't expand environment strings from REG_SZ values */
  210. if (type != REG_EXPAND_SZ) {
  211. memmove(data, buffer, buflen);
  212. HeapFree(GetProcessHeap(), 0, buffer);
  213. return 0;
  214. }
  215. ret = ExpandEnvironmentStrings((TCHAR *) buffer, data, datalen);
  216. if (! ret || ret > datalen) {
  217. log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_EXPANDENVIRONMENTSTRINGS_FAILED, buffer, error_string(GetLastError()), 0);
  218. HeapFree(GetProcessHeap(), 0, buffer);
  219. return 3;
  220. }
  221. HeapFree(GetProcessHeap(), 0, buffer);
  222. return 0;
  223. }
  224. int expand_parameter(HKEY key, TCHAR *value, TCHAR *data, unsigned long datalen, bool sanitise) {
  225. return expand_parameter(key, value, data, datalen, sanitise, true);
  226. }
  227. /*
  228. Sets a string in the registry.
  229. Returns: 0 if it was set.
  230. 1 on error.
  231. */
  232. int set_expand_string(HKEY key, TCHAR *value, TCHAR *string) {
  233. if (RegSetValueEx(key, value, 0, REG_EXPAND_SZ, (const unsigned char *) string, (unsigned long) (_tcslen(string) + 1) * sizeof(TCHAR)) == ERROR_SUCCESS) return 0;
  234. log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_SETVALUE_FAILED, value, error_string(GetLastError()), 0);
  235. return 1;
  236. }
  237. /*
  238. Set an unsigned long in the registry.
  239. Returns: 0 if it was set.
  240. 1 on error.
  241. */
  242. int set_number(HKEY key, TCHAR *value, unsigned long number) {
  243. if (RegSetValueEx(key, value, 0, REG_DWORD, (const unsigned char *) &number, sizeof(number)) == ERROR_SUCCESS) return 0;
  244. log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_SETVALUE_FAILED, value, error_string(GetLastError()), 0);
  245. return 1;
  246. }
  247. /*
  248. Query an unsigned long from the registry.
  249. Returns: 1 if a number was retrieved.
  250. 0 if none was found and must_exist is false.
  251. -1 if none was found and must_exist is true.
  252. -2 otherwise.
  253. */
  254. int get_number(HKEY key, TCHAR *value, unsigned long *number, bool must_exist) {
  255. unsigned long type = REG_DWORD;
  256. unsigned long number_len = sizeof(unsigned long);
  257. int ret = RegQueryValueEx(key, value, 0, &type, (unsigned char *) number, &number_len);
  258. if (ret == ERROR_SUCCESS) return 1;
  259. if (ret == ERROR_FILE_NOT_FOUND) {
  260. if (! must_exist) return 0;
  261. }
  262. log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_QUERYVALUE_FAILED, value, error_string(GetLastError()), 0);
  263. if (ret == ERROR_FILE_NOT_FOUND) return -1;
  264. return -2;
  265. }
  266. int get_number(HKEY key, TCHAR *value, unsigned long *number) {
  267. return get_number(key, value, number, true);
  268. }
  269. void override_milliseconds(TCHAR *service_name, HKEY key, TCHAR *value, unsigned long *buffer, unsigned long default_value, unsigned long event) {
  270. unsigned long type = REG_DWORD;
  271. unsigned long buflen = sizeof(unsigned long);
  272. bool ok = false;
  273. unsigned long ret = RegQueryValueEx(key, value, 0, &type, (unsigned char *) buffer, &buflen);
  274. if (ret != ERROR_SUCCESS) {
  275. if (ret != ERROR_FILE_NOT_FOUND) {
  276. if (type != REG_DWORD) {
  277. TCHAR milliseconds[16];
  278. _sntprintf_s(milliseconds, _countof(milliseconds), _TRUNCATE, _T("%lu"), default_value);
  279. log_event(EVENTLOG_WARNING_TYPE, event, service_name, value, milliseconds, 0);
  280. }
  281. else log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_QUERYVALUE_FAILED, value, error_string(GetLastError()), 0);
  282. }
  283. }
  284. else ok = true;
  285. if (! ok) *buffer = default_value;
  286. }
  287. int get_parameters(nssm_service_t *service, STARTUPINFO *si) {
  288. unsigned long ret;
  289. /* Get registry */
  290. TCHAR registry[KEY_LENGTH];
  291. if (_sntprintf_s(registry, _countof(registry), _TRUNCATE, NSSM_REGISTRY, service->name) < 0) {
  292. log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OUT_OF_MEMORY, _T("NSSM_REGISTRY"), _T("get_parameters()"), 0);
  293. return 1;
  294. }
  295. /* Try to open the registry */
  296. HKEY key;
  297. if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, registry, 0, KEY_READ, &key) != ERROR_SUCCESS) {
  298. log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OPENKEY_FAILED, registry, error_string(GetLastError()), 0);
  299. return 2;
  300. }
  301. /* Try to get executable file - MUST succeed */
  302. if (expand_parameter(key, NSSM_REG_EXE, service->exe, sizeof(service->exe), false)) {
  303. RegCloseKey(key);
  304. return 3;
  305. }
  306. /* Try to get flags - may fail and we don't care */
  307. if (expand_parameter(key, NSSM_REG_FLAGS, service->flags, sizeof(service->flags), false)) {
  308. log_event(EVENTLOG_WARNING_TYPE, NSSM_EVENT_NO_FLAGS, NSSM_REG_FLAGS, service->name, service->exe, 0);
  309. ZeroMemory(service->flags, sizeof(service->flags));
  310. }
  311. /* Try to get startup directory - may fail and we fall back to a default */
  312. if (expand_parameter(key, NSSM_REG_DIR, service->dir, sizeof(service->dir), true) || ! service->dir[0]) {
  313. _sntprintf_s(service->dir, _countof(service->dir), _TRUNCATE, _T("%s"), service->exe);
  314. strip_basename(service->dir);
  315. if (service->dir[0] == _T('\0')) {
  316. /* Help! */
  317. ret = GetWindowsDirectory(service->dir, sizeof(service->dir));
  318. if (! ret || ret > sizeof(service->dir)) {
  319. log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_NO_DIR_AND_NO_FALLBACK, NSSM_REG_DIR, service->name, 0);
  320. RegCloseKey(key);
  321. return 4;
  322. }
  323. }
  324. log_event(EVENTLOG_WARNING_TYPE, NSSM_EVENT_NO_DIR, NSSM_REG_DIR, service->name, service->dir, 0);
  325. }
  326. /* Try to get environment variables - may fail */
  327. set_environment(service->name, key, NSSM_REG_ENV, &service->env, &service->envlen);
  328. /* Environment variables to add to existing rather than replace - may fail. */
  329. set_environment(service->name, key, NSSM_REG_ENV_EXTRA, &service->env_extra, &service->env_extralen);
  330. if (si) {
  331. if (service->env_extra) {
  332. /* Append these to any other environment variables set. */
  333. if (service->env) {
  334. /* Append extra variables to configured variables. */
  335. unsigned long envlen = service->envlen + service->env_extralen - 1;
  336. TCHAR *env = (TCHAR *) HeapAlloc(GetProcessHeap(), 0, envlen);
  337. if (env) {
  338. memmove(env, service->env, service->envlen - sizeof(TCHAR));
  339. /* envlen is in bytes. */
  340. memmove(env + (service->envlen / sizeof(TCHAR)) - 1, service->env_extra, service->env_extralen);
  341. HeapFree(GetProcessHeap(), 0, service->env);
  342. service->env = env;
  343. service->envlen = envlen;
  344. }
  345. else log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OUT_OF_MEMORY, _T("environment"), _T("get_parameters()"), 0);
  346. }
  347. else {
  348. /* Append extra variables to our environment. */
  349. TCHAR *env, *s;
  350. size_t envlen, len;
  351. env = service->env_extra;
  352. len = 0;
  353. while (*env) {
  354. envlen = _tcslen(env) + 1;
  355. for (s = env; *s && *s != _T('='); s++);
  356. if (*s == _T('=')) *s++ = _T('\0');
  357. if (! SetEnvironmentVariable(env, s)) log_event(EVENTLOG_WARNING_TYPE, NSSM_EVENT_SETENVIRONMENTVARIABLE_FAILED, env, s, error_string(GetLastError()), 0);
  358. env += envlen;
  359. }
  360. }
  361. }
  362. }
  363. /* Try to get file rotation settings - may fail. */
  364. unsigned long rotate_files;
  365. if (get_number(key, NSSM_REG_ROTATE, &rotate_files, false) == 1) {
  366. if (rotate_files) service->rotate_files = true;
  367. else service->rotate_files = false;
  368. }
  369. else service->rotate_files = false;
  370. if (get_number(key, NSSM_REG_ROTATE_SECONDS, &service->rotate_seconds, false) != 1) service->rotate_seconds = 0;
  371. if (get_number(key, NSSM_REG_ROTATE_BYTES_LOW, &service->rotate_bytes_low, false) != 1) service->rotate_bytes_low = 0;
  372. if (get_number(key, NSSM_REG_ROTATE_BYTES_HIGH, &service->rotate_bytes_high, false) != 1) service->rotate_bytes_high = 0;
  373. /* Change to startup directory in case stdout/stderr are relative paths. */
  374. TCHAR cwd[MAX_PATH];
  375. GetCurrentDirectory(_countof(cwd), cwd);
  376. SetCurrentDirectory(service->dir);
  377. /* Try to get stdout and stderr */
  378. if (get_output_handles(service, key, si)) {
  379. log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_GET_OUTPUT_HANDLES_FAILED, service->name, 0);
  380. RegCloseKey(key);
  381. SetCurrentDirectory(cwd);
  382. return 5;
  383. }
  384. /* Change back in case the startup directory needs to be deleted. */
  385. SetCurrentDirectory(cwd);
  386. /* Try to get throttle restart delay */
  387. override_milliseconds(service->name, key, NSSM_REG_THROTTLE, &service->throttle_delay, NSSM_RESET_THROTTLE_RESTART, NSSM_EVENT_BOGUS_THROTTLE);
  388. /* Try to get service stop flags. */
  389. unsigned long type = REG_DWORD;
  390. unsigned long stop_method_skip;
  391. unsigned long buflen = sizeof(stop_method_skip);
  392. bool stop_ok = false;
  393. ret = RegQueryValueEx(key, NSSM_REG_STOP_METHOD_SKIP, 0, &type, (unsigned char *) &stop_method_skip, &buflen);
  394. if (ret != ERROR_SUCCESS) {
  395. if (ret != ERROR_FILE_NOT_FOUND) {
  396. if (type != REG_DWORD) {
  397. log_event(EVENTLOG_WARNING_TYPE, NSSM_EVENT_BOGUS_STOP_METHOD_SKIP, service->name, NSSM_REG_STOP_METHOD_SKIP, NSSM, 0);
  398. }
  399. else log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_QUERYVALUE_FAILED, NSSM_REG_STOP_METHOD_SKIP, error_string(GetLastError()), 0);
  400. }
  401. }
  402. else stop_ok = true;
  403. /* Try all methods except those requested to be skipped. */
  404. service->stop_method = ~0;
  405. if (stop_ok) service->stop_method &= ~stop_method_skip;
  406. /* Try to get kill delays - may fail. */
  407. override_milliseconds(service->name, key, NSSM_REG_KILL_CONSOLE_GRACE_PERIOD, &service->kill_console_delay, NSSM_KILL_CONSOLE_GRACE_PERIOD, NSSM_EVENT_BOGUS_KILL_CONSOLE_GRACE_PERIOD);
  408. override_milliseconds(service->name, key, NSSM_REG_KILL_WINDOW_GRACE_PERIOD, &service->kill_window_delay, NSSM_KILL_WINDOW_GRACE_PERIOD, NSSM_EVENT_BOGUS_KILL_WINDOW_GRACE_PERIOD);
  409. override_milliseconds(service->name, key, NSSM_REG_KILL_THREADS_GRACE_PERIOD, &service->kill_threads_delay, NSSM_KILL_THREADS_GRACE_PERIOD, NSSM_EVENT_BOGUS_KILL_THREADS_GRACE_PERIOD);
  410. /* Try to get default exit action. */
  411. bool default_action;
  412. service->default_exit_action = NSSM_EXIT_RESTART;
  413. TCHAR action_string[ACTION_LEN];
  414. if (! get_exit_action(service->name, 0, action_string, &default_action)) {
  415. for (int i = 0; exit_action_strings[i]; i++) {
  416. if (! _tcsnicmp((const TCHAR *) action_string, exit_action_strings[i], ACTION_LEN)) {
  417. service->default_exit_action = i;
  418. break;
  419. }
  420. }
  421. }
  422. /* Close registry */
  423. RegCloseKey(key);
  424. return 0;
  425. }
  426. int get_exit_action(TCHAR *service_name, unsigned long *ret, TCHAR *action, bool *default_action) {
  427. /* Are we returning the default action or a status-specific one? */
  428. *default_action = ! ret;
  429. /* Get registry */
  430. TCHAR registry[KEY_LENGTH];
  431. if (_sntprintf_s(registry, _countof(registry), _TRUNCATE, NSSM_REGISTRY _T("\\%s"), service_name, NSSM_REG_EXIT) < 0) {
  432. log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OUT_OF_MEMORY, _T("NSSM_REG_EXIT"), _T("get_exit_action()"), 0);
  433. return 1;
  434. }
  435. /* Try to open the registry */
  436. HKEY key;
  437. long error = RegOpenKeyEx(HKEY_LOCAL_MACHINE, registry, 0, KEY_READ, &key);
  438. if (error != ERROR_SUCCESS && error != ERROR_FILE_NOT_FOUND) {
  439. log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OPENKEY_FAILED, registry, error_string(GetLastError()), 0);
  440. return 2;
  441. }
  442. unsigned long type = REG_SZ;
  443. unsigned long action_len = ACTION_LEN;
  444. TCHAR code[16];
  445. if (! ret) code[0] = _T('\0');
  446. else if (_sntprintf_s(code, _countof(code), _TRUNCATE, _T("%lu"), *ret) < 0) {
  447. RegCloseKey(key);
  448. return get_exit_action(service_name, 0, action, default_action);
  449. }
  450. if (RegQueryValueEx(key, code, 0, &type, (unsigned char *) action, &action_len) != ERROR_SUCCESS) {
  451. RegCloseKey(key);
  452. /* Try again with * as the key if an exit code was defined */
  453. if (ret) return get_exit_action(service_name, 0, action, default_action);
  454. return 0;
  455. }
  456. /* Close registry */
  457. RegCloseKey(key);
  458. return 0;
  459. }