+ return 0;\r
+}\r
+\r
+int expand_parameter(HKEY key, char *value, char *data, unsigned long datalen, bool sanitise, bool must_exist) {\r
+ unsigned char *buffer = (unsigned char *) HeapAlloc(GetProcessHeap(), 0, datalen);\r
+ if (! buffer) {\r
+ log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OUT_OF_MEMORY, value, "expand_parameter()", 0);\r
+ return 1;\r
+ }\r
+\r
+ ZeroMemory(data, datalen);\r
+\r
+ unsigned long type = REG_EXPAND_SZ;\r
+ unsigned long buflen = datalen;\r
+\r
+ unsigned long ret = RegQueryValueEx(key, value, 0, &type, buffer, &buflen);\r
+ if (ret != ERROR_SUCCESS) {\r
+ unsigned long error = GetLastError();\r
+ HeapFree(GetProcessHeap(), 0, buffer);\r
+\r
+ if (ret == ERROR_FILE_NOT_FOUND) {\r
+ if (! must_exist) return 0;\r
+ }\r
+\r
+ log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_QUERYVALUE_FAILED, value, error_string(error), 0);\r
+ return 2;\r
+ }\r
+\r
+ /* Paths aren't allowed to contain quotes. */\r
+ if (sanitise) PathUnquoteSpaces((LPSTR) buffer);\r
+\r
+ /* Technically we shouldn't expand environment strings from REG_SZ values */\r
+ if (type != REG_EXPAND_SZ) {\r
+ memmove(data, buffer, buflen);\r
+ HeapFree(GetProcessHeap(), 0, buffer);\r
+ return 0;\r
+ }\r
+\r
+ ret = ExpandEnvironmentStrings((char *) buffer, data, datalen);\r
+ if (! ret || ret > datalen) {\r
+ log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_EXPANDENVIRONMENTSTRINGS_FAILED, buffer, error_string(GetLastError()), 0);\r
+ HeapFree(GetProcessHeap(), 0, buffer);\r
+ return 3;\r
+ }\r
+\r
+ HeapFree(GetProcessHeap(), 0, buffer);\r
+ return 0;\r
+}\r
+\r
+int expand_parameter(HKEY key, char *value, char *data, unsigned long datalen, bool sanitise) {\r
+ return expand_parameter(key, value, data, datalen, sanitise, true);\r
+}\r
+\r
+/*\r
+ Query an unsigned long from the registry.\r
+ Returns: 1 if a number was retrieved.\r
+ 0 if none was found and must_exist is false.\r
+ -1 if none was found and must_exist is true.\r
+ -2 otherwise.\r
+*/\r
+int get_number(HKEY key, char *value, unsigned long *number, bool must_exist) {\r
+ unsigned long type = REG_DWORD;\r
+ unsigned long number_len = sizeof(unsigned long);\r
+\r
+ int ret = RegQueryValueEx(key, value, 0, &type, (unsigned char *) number, &number_len);\r
+ if (ret == ERROR_SUCCESS) return 1;\r
+\r
+ if (ret == ERROR_FILE_NOT_FOUND) {\r
+ if (! must_exist) return 0;\r
+ }\r
+\r
+ log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_QUERYVALUE_FAILED, value, error_string(GetLastError()), 0);\r
+ if (ret == ERROR_FILE_NOT_FOUND) return -1;\r
+\r
+ return -2;\r
+}\r
+\r
+int get_number(HKEY key, char *value, unsigned long *number) {\r
+ return get_number(key, value, number, true);\r
+}\r
+\r
+int get_parameters(char *service_name, char *exe, unsigned long exelen, char *flags, unsigned long flagslen, char *dir, unsigned long dirlen, char **env, unsigned long *throttle_delay, unsigned long *stop_method, STARTUPINFO *si) {\r
+ unsigned long ret;\r
+\r
+ /* Get registry */\r
+ char registry[KEY_LENGTH];\r
+ if (_snprintf_s(registry, sizeof(registry), _TRUNCATE, NSSM_REGISTRY, service_name) < 0) {\r
+ log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OUT_OF_MEMORY, "NSSM_REGISTRY", "get_parameters()", 0);\r
+ return 1;\r
+ }\r
+\r
+ /* Try to open the registry */\r
+ HKEY key;\r
+ if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, registry, 0, KEY_READ, &key) != ERROR_SUCCESS) {\r
+ log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OPENKEY_FAILED, registry, error_string(GetLastError()), 0);\r
+ return 2;\r
+ }\r
+\r
+ /* Try to get executable file - MUST succeed */\r
+ if (expand_parameter(key, NSSM_REG_EXE, exe, exelen, false)) {\r
+ RegCloseKey(key);\r
+ return 3;\r
+ }\r
+\r
+ /* Try to get flags - may fail and we don't care */\r
+ if (expand_parameter(key, NSSM_REG_FLAGS, flags, flagslen, false)) {\r
+ log_event(EVENTLOG_WARNING_TYPE, NSSM_EVENT_NO_FLAGS, NSSM_REG_FLAGS, service_name, exe, 0);\r
+ ZeroMemory(flags, flagslen);\r
+ }\r
+\r
+ /* Try to get startup directory - may fail and we fall back to a default */\r
+ if (expand_parameter(key, NSSM_REG_DIR, dir, dirlen, true) || ! dir[0]) {\r
+ /* Our buffers are defined to be long enough for this to be safe */\r
+ size_t i;\r
+ for (i = strlen(exe); i && exe[i] != '\\' && exe[i] != '/'; i--);\r
+ if (i) {\r
+ memmove(dir, exe, i);\r
+ dir[i] = '\0';\r
+ }\r
+ else {\r
+ /* Help! */\r
+ ret = GetWindowsDirectory(dir, dirlen);\r
+ if (! ret || ret > dirlen) {\r
+ log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_NO_DIR_AND_NO_FALLBACK, NSSM_REG_DIR, service_name, 0);\r
+ RegCloseKey(key);\r
+ return 4;\r
+ }\r
+ }\r
+ log_event(EVENTLOG_WARNING_TYPE, NSSM_EVENT_NO_DIR, NSSM_REG_DIR, service_name, dir, 0);\r
+ }\r
+\r
+ /* Try to get environment variables - may fail */\r
+ set_environment(service_name, key, env);\r
+\r
+ /* Try to get stdout and stderr */\r
+ if (get_output_handles(key, si)) {\r
+ log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_GET_OUTPUT_HANDLES_FAILED, service_name, 0);\r