/* SPDX-License-Identifier: LGPL-2.1-or-later */ #include #include #include "sd-bus.h" #include "build.h" #include "bus-error.h" #include "bus-locator.h" #include "bus-map-properties.h" #include "fd-util.h" #include "fileio.h" #include "format-table.h" #include "kbd-util.h" #include "locale-setup.h" #include "main-func.h" #include "memory-util.h" #include "pager.h" #include "pretty-print.h" #include "proc-cmdline.h" #include "set.h" #include "spawn-polkit-agent.h" #include "strv.h" #include "terminal-util.h" #include "verbs.h" #include "virt.h" /* Enough time for locale-gen to finish server-side (in case it is in use) */ #define LOCALE_SLOW_BUS_CALL_TIMEOUT_USEC (2*USEC_PER_MINUTE) static PagerFlags arg_pager_flags = 0; static bool arg_ask_password = true; static BusTransport arg_transport = BUS_TRANSPORT_LOCAL; static const char *arg_host = NULL; static bool arg_convert = true; typedef struct StatusInfo { char **locale; const char *vconsole_keymap; const char *vconsole_keymap_toggle; const char *x11_layout; const char *x11_model; const char *x11_variant; const char *x11_options; } StatusInfo; static void status_info_clear(StatusInfo *info) { if (info) { strv_free(info->locale); zero(*info); } } static int print_status_info(StatusInfo *i) { _cleanup_strv_free_ char **kernel_locale = NULL; _cleanup_(table_unrefp) Table *table = NULL; TableCell *cell; int r; assert(i); if (arg_transport == BUS_TRANSPORT_LOCAL) { _cleanup_(locale_context_clear) LocaleContext c = {}; r = locale_context_load(&c, LOCALE_LOAD_PROC_CMDLINE); if (r < 0) return log_error_errno(r, "Failed to read /proc/cmdline: %m"); r = locale_context_build_env(&c, &kernel_locale, NULL); if (r < 0) return log_error_errno(r, "Failed to build locale settings from kernel command line: %m"); } table = table_new_vertical(); if (!table) return log_oom(); assert_se(cell = table_get_cell(table, 0, 0)); (void) table_set_ellipsize_percent(table, cell, 100); table_set_ersatz_string(table, TABLE_ERSATZ_UNSET); if (!strv_isempty(kernel_locale)) { log_warning("Warning: Settings on kernel command line override system locale settings in /etc/locale.conf."); r = table_add_many(table, TABLE_FIELD, "Command Line", TABLE_SET_COLOR, ansi_highlight_yellow(), TABLE_STRV, kernel_locale, TABLE_SET_COLOR, ansi_highlight_yellow()); if (r < 0) return table_log_add_error(r); } r = table_add_many(table, TABLE_FIELD, "System Locale", TABLE_STRV, i->locale, TABLE_FIELD, "VC Keymap", TABLE_STRING, i->vconsole_keymap); if (r < 0) return table_log_add_error(r); if (!isempty(i->vconsole_keymap_toggle)) { r = table_add_many(table, TABLE_FIELD, "VC Toggle Keymap", TABLE_STRING, i->vconsole_keymap_toggle); if (r < 0) return table_log_add_error(r); } r = table_add_many(table, TABLE_FIELD, "X11 Layout", TABLE_STRING, i->x11_layout); if (r < 0) return table_log_add_error(r); if (!isempty(i->x11_model)) { r = table_add_many(table, TABLE_FIELD, "X11 Model", TABLE_STRING, i->x11_model); if (r < 0) return table_log_add_error(r); } if (!isempty(i->x11_variant)) { r = table_add_many(table, TABLE_FIELD, "X11 Variant", TABLE_STRING, i->x11_variant); if (r < 0) return table_log_add_error(r); } if (!isempty(i->x11_options)) { r = table_add_many(table, TABLE_FIELD, "X11 Options", TABLE_STRING, i->x11_options); if (r < 0) return table_log_add_error(r); } r = table_print(table, NULL); if (r < 0) return table_log_print_error(r); return 0; } static int show_status(int argc, char **argv, void *userdata) { _cleanup_(status_info_clear) StatusInfo info = {}; static const struct bus_properties_map map[] = { { "VConsoleKeymap", "s", NULL, offsetof(StatusInfo, vconsole_keymap) }, { "VConsoleKeymapToggle", "s", NULL, offsetof(StatusInfo, vconsole_keymap_toggle) }, { "X11Layout", "s", NULL, offsetof(StatusInfo, x11_layout) }, { "X11Model", "s", NULL, offsetof(StatusInfo, x11_model) }, { "X11Variant", "s", NULL, offsetof(StatusInfo, x11_variant) }, { "X11Options", "s", NULL, offsetof(StatusInfo, x11_options) }, { "Locale", "as", NULL, offsetof(StatusInfo, locale) }, {} }; _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL; sd_bus *bus = ASSERT_PTR(userdata); int r; r = bus_map_all_properties(bus, "org.freedesktop.locale1", "/org/freedesktop/locale1", map, 0, &error, &m, &info); if (r < 0) return log_error_errno(r, "Could not get properties: %s", bus_error_message(&error, r)); return print_status_info(&info); } static int set_locale(int argc, char **argv, void *userdata) { _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL; _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; sd_bus *bus = ASSERT_PTR(userdata); int r; polkit_agent_open_if_enabled(arg_transport, arg_ask_password); r = bus_message_new_method_call(bus, &m, bus_locale, "SetLocale"); if (r < 0) return bus_log_create_error(r); r = sd_bus_message_append_strv(m, argv + 1); if (r < 0) return bus_log_create_error(r); r = sd_bus_message_append(m, "b", arg_ask_password); if (r < 0) return bus_log_create_error(r); /* We use a longer timeout for the method call in case localed is running locale-gen */ r = sd_bus_call(bus, m, LOCALE_SLOW_BUS_CALL_TIMEOUT_USEC, &error, NULL); if (r < 0) return log_error_errno(r, "Failed to issue method call: %s", bus_error_message(&error, r)); return 0; } static int list_locales(int argc, char **argv, void *userdata) { _cleanup_strv_free_ char **l = NULL; int r; r = get_locales(&l); if (r < 0) return log_error_errno(r, "Failed to read list of locales: %m"); pager_open(arg_pager_flags); strv_print(l); return 0; } static int set_vconsole_keymap(int argc, char **argv, void *userdata) { _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; const char *map, *toggle_map; sd_bus *bus = ASSERT_PTR(userdata); int r; polkit_agent_open_if_enabled(arg_transport, arg_ask_password); map = argv[1]; toggle_map = argc > 2 ? argv[2] : ""; r = bus_call_method( bus, bus_locale, "SetVConsoleKeyboard", &error, NULL, "ssbb", map, toggle_map, arg_convert, arg_ask_password); if (r < 0) return log_error_errno(r, "Failed to set keymap: %s", bus_error_message(&error, r)); return 0; } static int list_vconsole_keymaps(int argc, char **argv, void *userdata) { _cleanup_strv_free_ char **l = NULL; int r; r = get_keymaps(&l); if (r < 0) return log_error_errno(r, "Failed to read list of keymaps: %m"); pager_open(arg_pager_flags); strv_print(l); return 0; } static int set_x11_keymap(int argc, char **argv, void *userdata) { _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; const char *layout, *model, *variant, *options; sd_bus *bus = userdata; int r; polkit_agent_open_if_enabled(arg_transport, arg_ask_password); layout = argv[1]; model = argc > 2 ? argv[2] : ""; variant = argc > 3 ? argv[3] : ""; options = argc > 4 ? argv[4] : ""; r = bus_call_method( bus, bus_locale, "SetX11Keyboard", &error, NULL, "ssssbb", layout, model, variant, options, arg_convert, arg_ask_password); if (r < 0) return log_error_errno(r, "Failed to set keymap: %s", bus_error_message(&error, r)); return 0; } static int list_x11_keymaps(int argc, char **argv, void *userdata) { _cleanup_fclose_ FILE *f = NULL; _cleanup_strv_free_ char **list = NULL; enum { NONE, MODELS, LAYOUTS, VARIANTS, OPTIONS } state = NONE, look_for; int r; f = fopen("/usr/share/X11/xkb/rules/base.lst", "re"); if (!f) return log_error_errno(errno, "Failed to open keyboard mapping list. %m"); if (streq(argv[0], "list-x11-keymap-models")) look_for = MODELS; else if (streq(argv[0], "list-x11-keymap-layouts")) look_for = LAYOUTS; else if (streq(argv[0], "list-x11-keymap-variants")) look_for = VARIANTS; else if (streq(argv[0], "list-x11-keymap-options")) look_for = OPTIONS; else assert_not_reached(); for (;;) { _cleanup_free_ char *line = NULL; char *w; r = read_stripped_line(f, LONG_LINE_MAX, &line); if (r < 0) return log_error_errno(r, "Failed to read keyboard mapping list: %m"); if (r == 0) break; if (isempty(line)) continue; if (line[0] == '!') { if (startswith(line, "! model")) state = MODELS; else if (startswith(line, "! layout")) state = LAYOUTS; else if (startswith(line, "! variant")) state = VARIANTS; else if (startswith(line, "! option")) state = OPTIONS; else state = NONE; continue; } if (state != look_for) continue; w = line + strcspn(line, WHITESPACE); if (argc > 1) { char *e; if (*w == 0) continue; *w = 0; w++; w += strspn(w, WHITESPACE); e = strchr(w, ':'); if (!e) continue; *e = 0; if (!streq(w, argv[1])) continue; } else *w = 0; if (strv_consume(&list, TAKE_PTR(line)) < 0) return log_oom(); } if (strv_isempty(list)) return log_error_errno(SYNTHETIC_ERRNO(ENOENT), "Couldn't find any entries."); strv_sort(list); strv_uniq(list); pager_open(arg_pager_flags); strv_print(list); return 0; } static int help(void) { _cleanup_free_ char *link = NULL; int r; r = terminal_urlify_man("localectl", "1", &link); if (r < 0) return log_oom(); printf("%s [OPTIONS...] COMMAND ...\n\n" "%sQuery or change system locale and keyboard settings.%s\n" "\nCommands:\n" " status Show current locale settings\n" " set-locale LOCALE... Set system locale\n" " list-locales Show known locales\n" " set-keymap MAP [MAP] Set console and X11 keyboard mappings\n" " list-keymaps Show known virtual console keyboard mappings\n" " set-x11-keymap LAYOUT [MODEL [VARIANT [OPTIONS]]]\n" " Set X11 and console keyboard mappings\n" " list-x11-keymap-models Show known X11 keyboard mapping models\n" " list-x11-keymap-layouts Show known X11 keyboard mapping layouts\n" " list-x11-keymap-variants [LAYOUT]\n" " Show known X11 keyboard mapping variants\n" " list-x11-keymap-options Show known X11 keyboard mapping options\n" "\nOptions:\n" " -h --help Show this help\n" " --version Show package version\n" " --no-pager Do not pipe output into a pager\n" " --no-ask-password Do not prompt for password\n" " -H --host=[USER@]HOST Operate on remote host\n" " -M --machine=CONTAINER Operate on local container\n" " --no-convert Don't convert keyboard mappings\n" "\nSee the %s for details.\n", program_invocation_short_name, ansi_highlight(), ansi_normal(), link); return 0; } static int verb_help(int argc, char **argv, void *userdata) { return help(); } static int parse_argv(int argc, char *argv[]) { enum { ARG_VERSION = 0x100, ARG_NO_PAGER, ARG_NO_CONVERT, ARG_NO_ASK_PASSWORD }; static const struct option options[] = { { "help", no_argument, NULL, 'h' }, { "version", no_argument, NULL, ARG_VERSION }, { "no-pager", no_argument, NULL, ARG_NO_PAGER }, { "host", required_argument, NULL, 'H' }, { "machine", required_argument, NULL, 'M' }, { "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD }, { "no-convert", no_argument, NULL, ARG_NO_CONVERT }, {} }; int c; assert(argc >= 0); assert(argv); while ((c = getopt_long(argc, argv, "hH:M:", options, NULL)) >= 0) switch (c) { case 'h': return help(); case ARG_VERSION: return version(); case ARG_NO_CONVERT: arg_convert = false; break; case ARG_NO_PAGER: arg_pager_flags |= PAGER_DISABLE; break; case ARG_NO_ASK_PASSWORD: arg_ask_password = false; break; case 'H': arg_transport = BUS_TRANSPORT_REMOTE; arg_host = optarg; break; case 'M': arg_transport = BUS_TRANSPORT_MACHINE; arg_host = optarg; break; case '?': return -EINVAL; default: assert_not_reached(); } return 1; } static int localectl_main(sd_bus *bus, int argc, char *argv[]) { static const Verb verbs[] = { { "status", VERB_ANY, 1, VERB_DEFAULT, show_status }, { "set-locale", 2, VERB_ANY, 0, set_locale }, { "list-locales", VERB_ANY, 1, 0, list_locales }, { "set-keymap", 2, 3, 0, set_vconsole_keymap }, { "list-keymaps", VERB_ANY, 1, 0, list_vconsole_keymaps }, { "set-x11-keymap", 2, 5, 0, set_x11_keymap }, { "list-x11-keymap-models", VERB_ANY, 1, 0, list_x11_keymaps }, { "list-x11-keymap-layouts", VERB_ANY, 1, 0, list_x11_keymaps }, { "list-x11-keymap-variants", VERB_ANY, 2, 0, list_x11_keymaps }, { "list-x11-keymap-options", VERB_ANY, 1, 0, list_x11_keymaps }, { "help", VERB_ANY, VERB_ANY, 0, verb_help }, /* Not documented, but supported since it is created. */ {} }; return dispatch_verb(argc, argv, verbs, bus); } static int run(int argc, char *argv[]) { _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL; int r; setlocale(LC_ALL, ""); log_setup(); r = parse_argv(argc, argv); if (r <= 0) return r; r = bus_connect_transport(arg_transport, arg_host, RUNTIME_SCOPE_SYSTEM, &bus); if (r < 0) return bus_log_connect_error(r, arg_transport); return localectl_main(bus, argc, argv); } DEFINE_MAIN_FUNCTION(run);