X-Git-Url: http://git.iain.cx/?a=blobdiff_plain;f=nssm.cpp;h=1f9e0ed1376cfb0cd22b0917a183de6e92c3d8d6;hb=62f28c55d444d846579159133dbe091809a2c08b;hp=86a18275328f168a91e31c2103456b69ca5097b9;hpb=5b9e64a9ae1fbf1254c9c246e5b123d3aa77a37a;p=nssm.git diff --git a/nssm.cpp b/nssm.cpp index 86a1827..1f9e0ed 100644 --- a/nssm.cpp +++ b/nssm.cpp @@ -4,6 +4,16 @@ extern unsigned long tls_index; extern bool is_admin; extern imports_t imports; +static TCHAR unquoted_imagepath[PATH_LENGTH]; +static TCHAR imagepath[PATH_LENGTH]; +static TCHAR imageargv0[PATH_LENGTH]; + +void nssm_exit(int status) { + free_imports(); + unsetup_utf8(); + exit(status); +} + /* Are two strings case-insensitively equivalent? */ int str_equiv(const TCHAR *a, const TCHAR *b) { size_t len = _tcslen(a); @@ -12,6 +22,130 @@ int str_equiv(const TCHAR *a, const TCHAR *b) { return 1; } +/* Convert a string to a number. */ +int str_number(const TCHAR *string, unsigned long *number, TCHAR **bogus) { + if (! string) return 1; + + *number = _tcstoul(string, bogus, 0); + if (**bogus) return 2; + + return 0; +} + +int str_number(const TCHAR *string, unsigned long *number) { + TCHAR *bogus; + return str_number(string, number, &bogus); +} + +/* Does a char need to be escaped? */ +static bool needs_escape(const TCHAR c) { + if (c == _T('"')) return true; + if (c == _T('&')) return true; + if (c == _T('%')) return true; + if (c == _T('^')) return true; + if (c == _T('<')) return true; + if (c == _T('>')) return true; + if (c == _T('|')) return true; + return false; +} + +/* Does a char need to be quoted? */ +static bool needs_quote(const TCHAR c) { + if (c == _T(' ')) return true; + if (c == _T('\t')) return true; + if (c == _T('\n')) return true; + if (c == _T('\v')) return true; + if (c == _T('"')) return true; + if (c == _T('*')) return true; + return needs_escape(c); +} + +/* https://blogs.msdn.microsoft.com/twistylittlepassagesallalike/2011/04/23/everyone-quotes-command-line-arguments-the-wrong-way/ */ +/* http://www.robvanderwoude.com/escapechars.php */ +int quote(const TCHAR *unquoted, TCHAR *buffer, size_t buflen) { + size_t i, j, n; + size_t len = _tcslen(unquoted); + if (len > buflen - 1) return 1; + + bool escape = false; + bool quotes = false; + + for (i = 0; i < len; i++) { + if (needs_escape(unquoted[i])) { + escape = quotes = true; + break; + } + if (needs_quote(unquoted[i])) quotes = true; + } + if (! quotes) { + memmove(buffer, unquoted, (len + 1) * sizeof(TCHAR)); + return 0; + } + + /* "" */ + size_t quoted_len = 2; + if (escape) quoted_len += 2; + for (i = 0; ; i++) { + n = 0; + + while (i != len && unquoted[i] == _T('\\')) { + i++; + n++; + } + + if (i == len) { + quoted_len += n * 2; + break; + } + else if (unquoted[i] == _T('"')) quoted_len += n * 2 + 2; + else quoted_len += n + 1; + if (needs_escape(unquoted[i])) quoted_len += n; + } + if (quoted_len > buflen - 1) return 1; + + TCHAR *s = buffer; + if (escape) *s++ = _T('^'); + *s++ = _T('"'); + + for (i = 0; ; i++) { + n = 0; + + while (i != len && unquoted[i] == _T('\\')) { + i++; + n++; + } + + if (i == len) { + for (j = 0; j < n * 2; j++) { + if (escape) *s++ = _T('^'); + *s++ = _T('\\'); + } + break; + } + else if (unquoted[i] == _T('"')) { + for (j = 0; j < n * 2 + 1; j++) { + if (escape) *s++ = _T('^'); + *s++ = _T('\\'); + } + if (escape && needs_escape(unquoted[i])) *s++ = _T('^'); + *s++ = unquoted[i]; + } + else { + for (j = 0; j < n; j++) { + if (escape) *s++ = _T('^'); + *s++ = _T('\\'); + } + if (escape && needs_escape(unquoted[i])) *s++ = _T('^'); + *s++ = unquoted[i]; + } + } + if (escape) *s++ = _T('^'); + *s++ = _T('"'); + *s++ = _T('\0'); + + return 0; +} + /* Remove basename of a path. */ void strip_basename(TCHAR *buffer) { size_t len = _tcslen(buffer); @@ -24,7 +158,8 @@ void strip_basename(TCHAR *buffer) { /* How to use me correctly */ int usage(int ret) { - print_message(stderr, NSSM_MESSAGE_USAGE, NSSM_VERSION, NSSM_DATE); + if (GetConsoleWindow()) print_message(stderr, NSSM_MESSAGE_USAGE, NSSM_VERSION, NSSM_CONFIGURATION, NSSM_DATE); + else popup_message(0, MB_OK, NSSM_MESSAGE_USAGE, NSSM_VERSION, NSSM_CONFIGURATION, NSSM_DATE); return(ret); } @@ -39,26 +174,107 @@ void check_admin() { FreeSid(AdministratorsGroup); } +static int elevate(int argc, TCHAR **argv, unsigned long message) { + print_message(stderr, message); + + SHELLEXECUTEINFO sei; + ZeroMemory(&sei, sizeof(sei)); + sei.cbSize = sizeof(sei); + sei.lpVerb = _T("runas"); + sei.lpFile = (TCHAR *) nssm_imagepath(); + + TCHAR *args = (TCHAR *) HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, EXE_LENGTH * sizeof(TCHAR)); + if (! args) { + print_message(stderr, NSSM_MESSAGE_OUT_OF_MEMORY, _T("GetCommandLine()"), _T("elevate()")); + return 111; + } + + /* Get command line, which includes the path to NSSM, and skip that part. */ + _sntprintf_s(args, EXE_LENGTH, _TRUNCATE, _T("%s"), GetCommandLine()); + size_t s = _tcslen(argv[0]) + 1; + if (args[0] == _T('"')) s += 2; + while (isspace(args[s])) s++; + + sei.lpParameters = args + s; + sei.nShow = SW_SHOW; + + unsigned long exitcode = 0; + if (! ShellExecuteEx(&sei)) exitcode = 100; + + HeapFree(GetProcessHeap(), 0, (void *) args); + return exitcode; +} + +int num_cpus() { + DWORD_PTR i, affinity, system_affinity; + if (! GetProcessAffinityMask(GetCurrentProcess(), &affinity, &system_affinity)) return 64; + for (i = 0; system_affinity & (1LL << i); i++); + return (int) i; +} + +const TCHAR *nssm_unquoted_imagepath() { + return unquoted_imagepath; +} + +const TCHAR *nssm_imagepath() { + return imagepath; +} + +const TCHAR *nssm_exe() { + return imageargv0; +} + int _tmain(int argc, TCHAR **argv) { + if (check_console()) setup_utf8(); + /* Remember if we are admin */ check_admin(); + /* Set up function pointers. */ + if (get_imports()) nssm_exit(111); + + /* Remember our path for later. */ + _sntprintf_s(imageargv0, _countof(imageargv0), _TRUNCATE, _T("%s"), argv[0]); + PathQuoteSpaces(imageargv0); + GetModuleFileName(0, unquoted_imagepath, _countof(unquoted_imagepath)); + GetModuleFileName(0, imagepath, _countof(imagepath)); + PathQuoteSpaces(imagepath); + /* Elevate */ if (argc > 1) { - /* Valid commands are install or remove */ + /* + Valid commands are: + start, stop, pause, continue, install, edit, get, set, reset, unset, remove + */ + if (str_equiv(argv[1], _T("start"))) nssm_exit(control_service(NSSM_SERVICE_CONTROL_START, argc - 2, argv + 2)); + if (str_equiv(argv[1], _T("stop"))) nssm_exit(control_service(SERVICE_CONTROL_STOP, argc - 2, argv + 2)); + if (str_equiv(argv[1], _T("restart"))) { + int ret = control_service(SERVICE_CONTROL_STOP, argc - 2, argv + 2); + if (ret) nssm_exit(ret); + nssm_exit(control_service(NSSM_SERVICE_CONTROL_START, argc - 2, argv + 2)); + } + if (str_equiv(argv[1], _T("pause"))) nssm_exit(control_service(SERVICE_CONTROL_PAUSE, argc - 2, argv + 2)); + if (str_equiv(argv[1], _T("continue"))) nssm_exit(control_service(SERVICE_CONTROL_CONTINUE, argc - 2, argv + 2)); + if (str_equiv(argv[1], _T("status"))) nssm_exit(control_service(SERVICE_CONTROL_INTERROGATE, argc - 2, argv + 2)); + if (str_equiv(argv[1], _T("statuscode"))) nssm_exit(control_service(SERVICE_CONTROL_INTERROGATE, argc - 2, argv + 2, true)); + if (str_equiv(argv[1], _T("rotate"))) nssm_exit(control_service(NSSM_SERVICE_CONTROL_ROTATE, argc - 2, argv + 2)); if (str_equiv(argv[1], _T("install"))) { - if (! is_admin) { - print_message(stderr, NSSM_MESSAGE_NOT_ADMINISTRATOR_CANNOT_INSTALL); - exit(100); - } - exit(pre_install_service(argc - 2, argv + 2)); + if (! is_admin) nssm_exit(elevate(argc, argv, NSSM_MESSAGE_NOT_ADMINISTRATOR_CANNOT_INSTALL)); + create_messages(); + nssm_exit(pre_install_service(argc - 2, argv + 2)); + } + if (str_equiv(argv[1], _T("edit")) || str_equiv(argv[1], _T("get")) || str_equiv(argv[1], _T("set")) || str_equiv(argv[1], _T("reset")) || str_equiv(argv[1], _T("unset")) || str_equiv(argv[1], _T("dump"))) { + int ret = pre_edit_service(argc - 1, argv + 1); + if (ret == 3 && ! is_admin && argc == 3) nssm_exit(elevate(argc, argv, NSSM_MESSAGE_NOT_ADMINISTRATOR_CANNOT_EDIT)); + /* There might be a password here. */ + for (int i = 0; i < argc; i++) SecureZeroMemory(argv[i], _tcslen(argv[i]) * sizeof(TCHAR)); + nssm_exit(ret); } + if (str_equiv(argv[1], _T("list"))) nssm_exit(list_nssm_services(argc - 2, argv + 2)); + if (str_equiv(argv[1], _T("processes"))) nssm_exit(service_process_tree(argc - 2, argv + 2)); if (str_equiv(argv[1], _T("remove"))) { - if (! is_admin) { - print_message(stderr, NSSM_MESSAGE_NOT_ADMINISTRATOR_CANNOT_REMOVE); - exit(100); - } - exit(pre_remove_service(argc - 2, argv + 2)); + if (! is_admin) nssm_exit(elevate(argc, argv, NSSM_MESSAGE_NOT_ADMINISTRATOR_CANNOT_REMOVE)); + nssm_exit(pre_remove_service(argc - 2, argv + 2)); } } @@ -78,23 +294,19 @@ int _tmain(int argc, TCHAR **argv) { actually running as a service. This will save time when running with no arguments from a command prompt. */ - if (_fileno(stdin) < 0) { - /* Set up function pointers. */ - if (get_imports()) exit(111); - + if (! GetStdHandle(STD_INPUT_HANDLE)) { /* Start service magic */ SERVICE_TABLE_ENTRY table[] = { { NSSM, service_main }, { 0, 0 } }; if (! StartServiceCtrlDispatcher(table)) { unsigned long error = GetLastError(); /* User probably ran nssm with no argument */ - if (error == ERROR_FAILED_SERVICE_CONTROLLER_CONNECT) exit(usage(1)); + if (error == ERROR_FAILED_SERVICE_CONTROLLER_CONNECT) nssm_exit(usage(1)); log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_DISPATCHER_FAILED, error_string(error), 0); - free_imports(); - exit(100); + nssm_exit(100); } } - else exit(usage(1)); + else nssm_exit(usage(1)); /* And nothing more to do */ - exit(0); + nssm_exit(0); }