+/* WILL NOT allocate a new string if the identifier is already present. */\r
+int prepend_service_group_identifier(TCHAR *group, TCHAR **canon) {\r
+ if (! group || ! group[0] || group[0] == SC_GROUP_IDENTIFIER) {\r
+ *canon = group;\r
+ return 0;\r
+ }\r
+\r
+ size_t len = _tcslen(group) + 1;\r
+ *canon = (TCHAR *) HeapAlloc(GetProcessHeap(), 0, (len + 1) * sizeof(TCHAR));\r
+ if (! *canon) {\r
+ print_message(stderr, NSSM_MESSAGE_OUT_OF_MEMORY, _T("canon"), _T("prepend_service_group_identifier()"));\r
+ return 1;\r
+ }\r
+\r
+ TCHAR *s = *canon;\r
+ *s++ = SC_GROUP_IDENTIFIER;\r
+ memmove(s, group, len * sizeof(TCHAR));\r
+ (*canon)[len] = _T('\0');\r
+\r
+ return 0;\r
+}\r
+\r
+int append_to_dependencies(TCHAR *dependencies, unsigned long dependencieslen, TCHAR *string, TCHAR **newdependencies, unsigned long *newlen, int type) {\r
+ *newlen = 0;\r
+\r
+ TCHAR *canon = 0;\r
+ if (type == DEPENDENCY_GROUPS) {\r
+ if (prepend_service_group_identifier(string, &canon)) return 1;\r
+ }\r
+ else canon = string;\r
+ int ret = append_to_double_null(dependencies, dependencieslen, newdependencies, newlen, canon, 0, false);\r
+ if (canon && canon != string) HeapFree(GetProcessHeap(), 0, canon);\r
+\r
+ return ret;\r
+}\r
+\r
+int remove_from_dependencies(TCHAR *dependencies, unsigned long dependencieslen, TCHAR *string, TCHAR **newdependencies, unsigned long *newlen, int type) {\r
+ *newlen = 0;\r
+\r
+ TCHAR *canon = 0;\r
+ if (type == DEPENDENCY_GROUPS) {\r
+ if (prepend_service_group_identifier(string, &canon)) return 1;\r
+ }\r
+ else canon = string;\r
+ int ret = remove_from_double_null(dependencies, dependencieslen, newdependencies, newlen, canon, 0, false);\r
+ if (canon && canon != string) HeapFree(GetProcessHeap(), 0, canon);\r
+\r
+ return ret;\r
+}\r
+\r
+int set_service_dependencies(const TCHAR *service_name, SC_HANDLE service_handle, TCHAR *buffer) {\r
+ TCHAR *dependencies = _T("");\r
+ unsigned long num_dependencies = 0;\r
+\r
+ if (buffer && buffer[0]) {\r
+ SC_HANDLE services = open_service_manager(SC_MANAGER_CONNECT | SC_MANAGER_ENUMERATE_SERVICE);\r
+ if (! services) {\r
+ print_message(stderr, NSSM_MESSAGE_OPEN_SERVICE_MANAGER_FAILED);\r
+ return 1;\r
+ }\r
+\r
+ /*\r
+ Count the dependencies then allocate a buffer big enough for their\r
+ canonical names, ie n * SERVICE_NAME_LENGTH.\r
+ */\r
+ TCHAR *s;\r
+ TCHAR *groups = 0;\r
+ for (s = buffer; *s; s++) {\r
+ num_dependencies++;\r
+ if (*s == SC_GROUP_IDENTIFIER) groups = s;\r
+ while (*s) s++;\r
+ }\r
+\r
+ /* At least one dependency is a group so we need to verify them. */\r
+ if (groups) {\r
+ HKEY key;\r
+ if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, NSSM_REGISTRY_GROUPS, 0, KEY_READ, &key)) {\r
+ _ftprintf(stderr, _T("%s: %s\n"), NSSM_REGISTRY_GROUPS, error_string(GetLastError()));\r
+ return 2;\r
+ }\r
+\r
+ unsigned long type;\r
+ unsigned long groupslen;\r
+ unsigned long ret = RegQueryValueEx(key, NSSM_REG_GROUPS, 0, &type, NULL, &groupslen);\r
+ if (ret == ERROR_SUCCESS) {\r
+ groups = (TCHAR *) HeapAlloc(GetProcessHeap(), 0, groupslen);\r
+ if (! groups) {\r
+ print_message(stderr, NSSM_MESSAGE_OUT_OF_MEMORY, _T("groups"), _T("set_service_dependencies()"));\r
+ return 3;\r
+ }\r
+\r
+ ret = RegQueryValueEx(key, NSSM_REG_GROUPS, 0, &type, (unsigned char *) groups, &groupslen);\r
+ if (ret != ERROR_SUCCESS) {\r
+ _ftprintf(stderr, _T("%s\\%s: %s"), NSSM_REGISTRY_GROUPS, NSSM_REG_GROUPS, error_string(GetLastError()));\r
+ HeapFree(GetProcessHeap(), 0, groups);\r
+ RegCloseKey(key);\r
+ return 4;\r
+ }\r
+ }\r
+ else if (ret != ERROR_FILE_NOT_FOUND) {\r
+ _ftprintf(stderr, _T("%s\\%s: %s"), NSSM_REGISTRY_GROUPS, NSSM_REG_GROUPS, error_string(GetLastError()));\r
+ RegCloseKey(key);\r
+ return 4;\r
+ }\r
+\r
+ RegCloseKey(key);\r
+\r
+ }\r
+\r
+ unsigned long dependencieslen = (num_dependencies * SERVICE_NAME_LENGTH) + 2;\r
+ dependencies = (TCHAR *) HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, dependencieslen * sizeof(TCHAR));\r
+ size_t i = 0;\r
+\r
+ TCHAR dependency[SERVICE_NAME_LENGTH];\r
+ for (s = buffer; *s; s++) {\r
+ /* Group? */\r
+ if (*s == SC_GROUP_IDENTIFIER) {\r
+ TCHAR *group = s + 1;\r
+\r
+ bool ok = false;\r
+ if (*group) {\r
+ for (TCHAR *g = groups; *g; g++) {\r
+ if (str_equiv(g, group)) {\r
+ ok = true;\r
+ /* Set canonical name. */\r
+ memmove(group, g, _tcslen(g) * sizeof(TCHAR));\r
+ break;\r
+ }\r
+\r
+ while (*g) g++;\r
+ }\r
+ }\r
+\r
+ if (ok) _sntprintf_s(dependency, _countof(dependency), _TRUNCATE, _T("%s"), s);\r
+ else {\r
+ HeapFree(GetProcessHeap(), 0, dependencies);\r
+ if (groups) HeapFree(GetProcessHeap(), 0, groups);\r
+ _ftprintf(stderr, _T("%s: %s"), s, error_string(ERROR_SERVICE_DEPENDENCY_DELETED));\r
+ return 5;\r
+ }\r
+ }\r
+ else {\r
+ SC_HANDLE dependency_handle = open_service(services, s, SERVICE_QUERY_STATUS, dependency, _countof(dependency));\r
+ if (! dependency_handle) {\r
+ HeapFree(GetProcessHeap(), 0, dependencies);\r
+ if (groups) HeapFree(GetProcessHeap(), 0, groups);\r
+ CloseServiceHandle(services);\r
+ _ftprintf(stderr, _T("%s: %s"), s, error_string(ERROR_SERVICE_DEPENDENCY_DELETED));\r
+ return 5;\r
+ }\r
+ }\r
+\r
+ size_t len = _tcslen(dependency) + 1;\r
+ memmove(dependencies + i, dependency, len * sizeof(TCHAR));\r
+ i += len;\r
+\r
+ while (*s) s++;\r
+ }\r
+\r
+ if (groups) HeapFree(GetProcessHeap(), 0, groups);\r
+ CloseServiceHandle(services);\r
+ }\r
+\r
+ if (! ChangeServiceConfig(service_handle, SERVICE_NO_CHANGE, SERVICE_NO_CHANGE, SERVICE_NO_CHANGE, 0, 0, 0, dependencies, 0, 0, 0)) {\r
+ if (num_dependencies) HeapFree(GetProcessHeap(), 0, dependencies);\r
+ print_message(stderr, NSSM_MESSAGE_CHANGESERVICECONFIG_FAILED, error_string(GetLastError()));\r
+ return -1;\r
+ }\r
+\r
+ if (num_dependencies) HeapFree(GetProcessHeap(), 0, dependencies);\r
+ return 0;\r
+}\r
+\r
+int get_service_dependencies(const TCHAR *service_name, SC_HANDLE service_handle, TCHAR **buffer, unsigned long *bufsize, int type) {\r
+ if (! buffer) return 1;\r
+ if (! bufsize) return 2;\r
+\r
+ *buffer = 0;\r
+ *bufsize = 0;\r
+\r
+ QUERY_SERVICE_CONFIG *qsc = query_service_config(service_name, service_handle);\r
+ if (! qsc) return 3;\r
+\r
+ if (! qsc->lpDependencies || ! qsc->lpDependencies[0]) {\r
+ HeapFree(GetProcessHeap(), 0, qsc);\r
+ return 0;\r
+ }\r
+\r
+ /* lpDependencies is doubly NULL terminated. */\r
+ while (qsc->lpDependencies[*bufsize]) {\r
+ while (qsc->lpDependencies[*bufsize]) ++*bufsize;\r
+ ++*bufsize;\r
+ }\r
+\r
+ *bufsize += 2;\r
+\r
+ *buffer = (TCHAR *) HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, *bufsize * sizeof(TCHAR));\r
+ if (! *buffer) {\r
+ *bufsize = 0;\r
+ print_message(stderr, NSSM_MESSAGE_OUT_OF_MEMORY, _T("lpDependencies"), _T("get_service_dependencies()"));\r
+ HeapFree(GetProcessHeap(), 0, qsc);\r
+ return 4;\r
+ }\r
+\r
+ if (type == DEPENDENCY_ALL) memmove(*buffer, qsc->lpDependencies, *bufsize * sizeof(TCHAR));\r
+ else {\r
+ TCHAR *s;\r
+ size_t i = 0;\r
+ *bufsize = 0;\r
+ for (s = qsc->lpDependencies; *s; s++) {\r
+ /* Only copy the appropriate type of dependency. */\r
+ if ((*s == SC_GROUP_IDENTIFIER && type & DEPENDENCY_GROUPS) || (*s != SC_GROUP_IDENTIFIER && type & DEPENDENCY_SERVICES)) {\r
+ size_t len = _tcslen(s) + 1;\r
+ *bufsize += (unsigned long) len;\r
+ memmove(*buffer + i, s, len * sizeof(TCHAR));\r
+ i += len;\r
+ }\r
+\r
+ while (*s) s++;\r
+ }\r
+ ++*bufsize;\r
+ }\r
+\r
+ HeapFree(GetProcessHeap(), 0, qsc);\r
+\r
+ if (! *buffer[0]) {\r
+ HeapFree(GetProcessHeap(), 0, *buffer);\r
+ *buffer = 0;\r
+ *bufsize = 0;\r
+ }\r
+\r
+ return 0;\r
+}\r
+\r
+int get_service_dependencies(const TCHAR *service_name, SC_HANDLE service_handle, TCHAR **buffer, unsigned long *bufsize) {\r
+ return get_service_dependencies(service_name, service_handle, buffer, bufsize, DEPENDENCY_ALL);\r
+}\r
+\r
+int set_service_description(const TCHAR *service_name, SC_HANDLE service_handle, TCHAR *buffer) {\r
+ SERVICE_DESCRIPTION description;\r
+ ZeroMemory(&description, sizeof(description));\r
+ /*\r
+ lpDescription must be NULL if we aren't changing, the new description\r
+ or "".\r
+ */\r
+ if (buffer && buffer[0]) description.lpDescription = buffer;\r
+ else description.lpDescription = _T("");\r
+\r
+ if (ChangeServiceConfig2(service_handle, SERVICE_CONFIG_DESCRIPTION, &description)) return 0;\r
+\r
+ log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_SERVICE_CONFIG_DESCRIPTION_FAILED, service_name, error_string(GetLastError()), 0);\r
+ return 1;\r
+}\r
+\r
+int get_service_description(const TCHAR *service_name, SC_HANDLE service_handle, unsigned long len, TCHAR *buffer) {\r
+ if (! buffer) return 1;\r
+\r
+ unsigned long bufsize;\r
+ QueryServiceConfig2(service_handle, SERVICE_CONFIG_DESCRIPTION, 0, 0, &bufsize);\r
+ unsigned long error = GetLastError();\r
+ if (error == ERROR_INSUFFICIENT_BUFFER) {\r
+ SERVICE_DESCRIPTION *description = (SERVICE_DESCRIPTION *) HeapAlloc(GetProcessHeap(), 0, bufsize);\r
+ if (! description) {\r
+ print_message(stderr, NSSM_MESSAGE_OUT_OF_MEMORY, _T("SERVICE_CONFIG_DESCRIPTION"), _T("get_service_description()"));\r
+ return 2;\r
+ }\r
+\r
+ if (QueryServiceConfig2(service_handle, SERVICE_CONFIG_DESCRIPTION, (unsigned char *) description, bufsize, &bufsize)) {\r
+ if (description->lpDescription) _sntprintf_s(buffer, len, _TRUNCATE, _T("%s"), description->lpDescription);\r
+ else ZeroMemory(buffer, len * sizeof(TCHAR));\r
+ HeapFree(GetProcessHeap(), 0, description);\r
+ return 0;\r
+ }\r
+ else {\r
+ HeapFree(GetProcessHeap(), 0, description);\r
+ print_message(stderr, NSSM_MESSAGE_QUERYSERVICECONFIG2_FAILED, service_name, _T("SERVICE_CONFIG_DESCRIPTION"), error_string(error));\r
+ return 3;\r
+ }\r
+ }\r
+ else {\r
+ print_message(stderr, NSSM_MESSAGE_QUERYSERVICECONFIG2_FAILED, service_name, _T("SERVICE_CONFIG_DESCRIPTION"), error_string(error));\r
+ return 4;\r
+ }\r
+}\r
+\r