| /* SPDX-License-Identifier: LGPL-2.1-or-later */ |
| |
| #include <getopt.h> |
| #include <stdbool.h> |
| |
| #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 *l, *w; |
| |
| r = read_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; |
| |
| l = strstrip(line); |
| |
| if (isempty(l)) |
| continue; |
| |
| if (l[0] == '!') { |
| if (startswith(l, "! model")) |
| state = MODELS; |
| else if (startswith(l, "! layout")) |
| state = LAYOUTS; |
| else if (startswith(l, "! variant")) |
| state = VARIANTS; |
| else if (startswith(l, "! option")) |
| state = OPTIONS; |
| else |
| state = NONE; |
| |
| continue; |
| } |
| |
| if (state != look_for) |
| continue; |
| |
| w = l + strcspn(l, 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; |
| |
| r = strv_extend(&list, l); |
| if (r < 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, false, &bus); |
| if (r < 0) |
| return bus_log_connect_error(r, arg_transport); |
| |
| return localectl_main(bus, argc, argv); |
| } |
| |
| DEFINE_MAIN_FUNCTION(run); |
