[thirdparty/systemd.git] / src / locale / localectl.c

/* SPDX-License-Identifier: LGPL-2.1-or-later */

#include <getopt.h>

#include "sd-bus.h"

#include "alloc-util.h"
#include "build.h"
#include "bus-error.h"
#include "bus-locator.h"
#include "bus-map-properties.h"
#include "bus-util.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 "parse-argument.h"
#include "polkit-agent.h"
#include "pretty-print.h"
#include "runtime-scope.h"
#include "string-util.h"
#include "strv.h"
#include "time-util.h"
#include "verbs.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;
static bool arg_full = false;

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();

        if (arg_full)
                table_set_width(table, 0);

        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;

        (void) 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;

        (void) 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;

        (void) 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_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"
               "  -l --full                Do not ellipsize output\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         },
                { "full",            no_argument,       NULL, 'l'                 },
                { "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 r, c;

        assert(argc >= 0);
        assert(argv);

        while ((c = getopt_long(argc, argv, "hlH:M:", options, NULL)) >= 0)

                switch (c) {

                case 'h':
                        return help();

                case ARG_VERSION:
                        return version();

                case 'l':
                        arg_full = true;
                        break;

                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':
                        r = parse_machine_argument(optarg, &arg_host, &arg_transport);
                        if (r < 0)
                                return r;
                        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, RUNTIME_SCOPE_SYSTEM);

        return localectl_main(bus, argc, argv);
}

DEFINE_MAIN_FUNCTION(run);
Commit	Line	Data
	1	/* SPDX-License-Identifier: LGPL-2.1-or-later */
	2
	3	#include <getopt.h>
	4
	5	#include "sd-bus.h"
	6
	7	#include "alloc-util.h"
	8	#include "build.h"
	9	#include "bus-error.h"
	10	#include "bus-locator.h"
	11	#include "bus-map-properties.h"
	12	#include "bus-util.h"
	13	#include "fd-util.h"
	14	#include "fileio.h"
	15	#include "format-table.h"
	16	#include "kbd-util.h"
	17	#include "locale-setup.h"
	18	#include "main-func.h"
	19	#include "memory-util.h"
	20	#include "pager.h"
	21	#include "parse-argument.h"
	22	#include "polkit-agent.h"
	23	#include "pretty-print.h"
	24	#include "runtime-scope.h"
	25	#include "string-util.h"
	26	#include "strv.h"
	27	#include "time-util.h"
	28	#include "verbs.h"
	29
	30	/* Enough time for locale-gen to finish server-side (in case it is in use) */
	31	#define LOCALE_SLOW_BUS_CALL_TIMEOUT_USEC (2*USEC_PER_MINUTE)
	32
	33	static PagerFlags arg_pager_flags = 0;
	34	static bool arg_ask_password = true;
	35	static BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
	36	static const char *arg_host = NULL;
	37	static bool arg_convert = true;
	38	static bool arg_full = false;
	39
	40	typedef struct StatusInfo {
	41	char **locale;
	42	const char *vconsole_keymap;
	43	const char *vconsole_keymap_toggle;
	44	const char *x11_layout;
	45	const char *x11_model;
	46	const char *x11_variant;
	47	const char *x11_options;
	48	} StatusInfo;
	49
	50	static void status_info_clear(StatusInfo *info) {
	51	if (info) {
	52	strv_free(info->locale);
	53	zero(*info);
	54	}
	55	}
	56
	57	static int print_status_info(StatusInfo *i) {
	58	_cleanup_strv_free_ char **kernel_locale = NULL;
	59	_cleanup_(table_unrefp) Table *table = NULL;
	60	TableCell *cell;
	61	int r;
	62
	63	assert(i);
	64
	65	if (arg_transport == BUS_TRANSPORT_LOCAL) {
	66	_cleanup_(locale_context_clear) LocaleContext c = {};
	67
	68	r = locale_context_load(&c, LOCALE_LOAD_PROC_CMDLINE);
	69	if (r < 0)
	70	return log_error_errno(r, "Failed to read /proc/cmdline: %m");
	71
	72	r = locale_context_build_env(&c, &kernel_locale, NULL);
	73	if (r < 0)
	74	return log_error_errno(r, "Failed to build locale settings from kernel command line: %m");
	75	}
	76
	77	table = table_new_vertical();
	78	if (!table)
	79	return log_oom();
	80
	81	if (arg_full)
	82	table_set_width(table, 0);
	83
	84	assert_se(cell = table_get_cell(table, 0, 0));
	85	(void) table_set_ellipsize_percent(table, cell, 100);
	86
	87	table_set_ersatz_string(table, TABLE_ERSATZ_UNSET);
	88
	89	if (!strv_isempty(kernel_locale)) {
	90	log_warning("Warning: Settings on kernel command line override system locale settings in /etc/locale.conf.");
	91	r = table_add_many(table,
	92	TABLE_FIELD, "Command Line",
	93	TABLE_SET_COLOR, ansi_highlight_yellow(),
	94	TABLE_STRV, kernel_locale,
	95	TABLE_SET_COLOR, ansi_highlight_yellow());
	96	if (r < 0)
	97	return table_log_add_error(r);
	98	}
	99
	100	r = table_add_many(table,
	101	TABLE_FIELD, "System Locale",
	102	TABLE_STRV, i->locale,
	103	TABLE_FIELD, "VC Keymap",
	104	TABLE_STRING, i->vconsole_keymap);
	105	if (r < 0)
	106	return table_log_add_error(r);
	107
	108	if (!isempty(i->vconsole_keymap_toggle)) {
	109	r = table_add_many(table,
	110	TABLE_FIELD, "VC Toggle Keymap",
	111	TABLE_STRING, i->vconsole_keymap_toggle);
	112	if (r < 0)
	113	return table_log_add_error(r);
	114	}
	115
	116	r = table_add_many(table,
	117	TABLE_FIELD, "X11 Layout",
	118	TABLE_STRING, i->x11_layout);
	119	if (r < 0)
	120	return table_log_add_error(r);
	121
	122	if (!isempty(i->x11_model)) {
	123	r = table_add_many(table,
	124	TABLE_FIELD, "X11 Model",
	125	TABLE_STRING, i->x11_model);
	126	if (r < 0)
	127	return table_log_add_error(r);
	128	}
	129
	130	if (!isempty(i->x11_variant)) {
	131	r = table_add_many(table,
	132	TABLE_FIELD, "X11 Variant",
	133	TABLE_STRING, i->x11_variant);
	134	if (r < 0)
	135	return table_log_add_error(r);
	136	}
	137
	138	if (!isempty(i->x11_options)) {
	139	r = table_add_many(table,
	140	TABLE_FIELD, "X11 Options",
	141	TABLE_STRING, i->x11_options);
	142	if (r < 0)
	143	return table_log_add_error(r);
	144	}
	145
	146	r = table_print(table, NULL);
	147	if (r < 0)
	148	return table_log_print_error(r);
	149
	150	return 0;
	151	}
	152
	153	static int show_status(int argc, char *argv, void userdata) {
	154	_cleanup_(status_info_clear) StatusInfo info = {};
	155	static const struct bus_properties_map map[] = {
	156	{ "VConsoleKeymap", "s", NULL, offsetof(StatusInfo, vconsole_keymap) },
	157	{ "VConsoleKeymapToggle", "s", NULL, offsetof(StatusInfo, vconsole_keymap_toggle) },
	158	{ "X11Layout", "s", NULL, offsetof(StatusInfo, x11_layout) },
	159	{ "X11Model", "s", NULL, offsetof(StatusInfo, x11_model) },
	160	{ "X11Variant", "s", NULL, offsetof(StatusInfo, x11_variant) },
	161	{ "X11Options", "s", NULL, offsetof(StatusInfo, x11_options) },
	162	{ "Locale", "as", NULL, offsetof(StatusInfo, locale) },
	163	{}
	164	};
	165
	166	_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
	167	_cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
	168	sd_bus *bus = ASSERT_PTR(userdata);
	169	int r;
	170
	171	r = bus_map_all_properties(bus,
	172	"org.freedesktop.locale1",
	173	"/org/freedesktop/locale1",
	174	map,
	175	0,
	176	&error,
	177	&m,
	178	&info);
	179	if (r < 0)
	180	return log_error_errno(r, "Could not get properties: %s", bus_error_message(&error, r));
	181
	182	return print_status_info(&info);
	183	}
	184
	185	static int set_locale(int argc, char *argv, void userdata) {
	186	_cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
	187	_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
	188	sd_bus *bus = ASSERT_PTR(userdata);
	189	int r;
	190
	191	(void) polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
	192
	193	r = bus_message_new_method_call(bus, &m, bus_locale, "SetLocale");
	194	if (r < 0)
	195	return bus_log_create_error(r);
	196
	197	r = sd_bus_message_append_strv(m, argv + 1);
	198	if (r < 0)
	199	return bus_log_create_error(r);
	200
	201	r = sd_bus_message_append(m, "b", arg_ask_password);
	202	if (r < 0)
	203	return bus_log_create_error(r);
	204
	205	/* We use a longer timeout for the method call in case localed is running locale-gen */
	206	r = sd_bus_call(bus, m, LOCALE_SLOW_BUS_CALL_TIMEOUT_USEC, &error, NULL);
	207	if (r < 0)
	208	return log_error_errno(r, "Failed to issue method call: %s", bus_error_message(&error, r));
	209
	210	return 0;
	211	}
	212
	213	static int list_locales(int argc, char *argv, void userdata) {
	214	_cleanup_strv_free_ char **l = NULL;
	215	int r;
	216
	217	r = get_locales(&l);
	218	if (r < 0)
	219	return log_error_errno(r, "Failed to read list of locales: %m");
	220
	221	pager_open(arg_pager_flags);
	222	strv_print(l);
	223
	224	return 0;
	225	}
	226
	227	static int set_vconsole_keymap(int argc, char *argv, void userdata) {
	228	_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
	229	const char map, toggle_map;
	230	sd_bus *bus = ASSERT_PTR(userdata);
	231	int r;
	232
	233	(void) polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
	234
	235	map = argv[1];
	236	toggle_map = argc > 2 ? argv[2] : "";
	237
	238	r = bus_call_method(
	239	bus,
	240	bus_locale,
	241	"SetVConsoleKeyboard",
	242	&error,
	243	NULL,
	244	"ssbb", map, toggle_map, arg_convert, arg_ask_password);
	245	if (r < 0)
	246	return log_error_errno(r, "Failed to set keymap: %s", bus_error_message(&error, r));
	247
	248	return 0;
	249	}
	250
	251	static int list_vconsole_keymaps(int argc, char *argv, void userdata) {
	252	_cleanup_strv_free_ char **l = NULL;
	253	int r;
	254
	255	r = get_keymaps(&l);
	256	if (r < 0)
	257	return log_error_errno(r, "Failed to read list of keymaps: %m");
	258
	259	pager_open(arg_pager_flags);
	260
	261	strv_print(l);
	262
	263	return 0;
	264	}
	265
	266	static int set_x11_keymap(int argc, char *argv, void userdata) {
	267	_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
	268	const char layout, model, variant, options;
	269	sd_bus *bus = userdata;
	270	int r;
	271
	272	(void) polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
	273
	274	layout = argv[1];
	275	model = argc > 2 ? argv[2] : "";
	276	variant = argc > 3 ? argv[3] : "";
	277	options = argc > 4 ? argv[4] : "";
	278
	279	r = bus_call_method(
	280	bus,
	281	bus_locale,
	282	"SetX11Keyboard",
	283	&error,
	284	NULL,
	285	"ssssbb", layout, model, variant, options,
	286	arg_convert, arg_ask_password);
	287	if (r < 0)
	288	return log_error_errno(r, "Failed to set keymap: %s", bus_error_message(&error, r));
	289
	290	return 0;
	291	}
	292
	293	static int list_x11_keymaps(int argc, char *argv, void userdata) {
	294	_cleanup_fclose_ FILE *f = NULL;
	295	_cleanup_strv_free_ char **list = NULL;
	296	enum {
	297	NONE,
	298	MODELS,
	299	LAYOUTS,
	300	VARIANTS,
	301	OPTIONS
	302	} state = NONE, look_for;
	303	int r;
	304
	305	f = fopen("/usr/share/X11/xkb/rules/base.lst", "re");
	306	if (!f)
	307	return log_error_errno(errno, "Failed to open keyboard mapping list. %m");
	308
	309	if (streq(argv[0], "list-x11-keymap-models"))
	310	look_for = MODELS;
	311	else if (streq(argv[0], "list-x11-keymap-layouts"))
	312	look_for = LAYOUTS;
	313	else if (streq(argv[0], "list-x11-keymap-variants"))
	314	look_for = VARIANTS;
	315	else if (streq(argv[0], "list-x11-keymap-options"))
	316	look_for = OPTIONS;
	317	else
	318	assert_not_reached();
	319
	320	for (;;) {
	321	_cleanup_free_ char *line = NULL;
	322	char *w;
	323
	324	r = read_stripped_line(f, LONG_LINE_MAX, &line);
	325	if (r < 0)
	326	return log_error_errno(r, "Failed to read keyboard mapping list: %m");
	327	if (r == 0)
	328	break;
	329
	330	if (isempty(line))
	331	continue;
	332
	333	if (line[0] == '!') {
	334	if (startswith(line, "! model"))
	335	state = MODELS;
	336	else if (startswith(line, "! layout"))
	337	state = LAYOUTS;
	338	else if (startswith(line, "! variant"))
	339	state = VARIANTS;
	340	else if (startswith(line, "! option"))
	341	state = OPTIONS;
	342	else
	343	state = NONE;
	344
	345	continue;
	346	}
	347
	348	if (state != look_for)
	349	continue;
	350
	351	w = line + strcspn(line, WHITESPACE);
	352
	353	if (argc > 1) {
	354	char *e;
	355
	356	if (*w == 0)
	357	continue;
	358
	359	*w = 0;
	360	w++;
	361	w += strspn(w, WHITESPACE);
	362
	363	e = strchr(w, ':');
	364	if (!e)
	365	continue;
	366
	367	*e = 0;
	368
	369	if (!streq(w, argv[1]))
	370	continue;
	371	} else
	372	*w = 0;
	373
	374	if (strv_consume(&list, TAKE_PTR(line)) < 0)
	375	return log_oom();
	376	}
	377
	378	if (strv_isempty(list))
	379	return log_error_errno(SYNTHETIC_ERRNO(ENOENT),
	380	"Couldn't find any entries.");
	381
	382	strv_sort_uniq(list);
	383
	384	pager_open(arg_pager_flags);
	385
	386	strv_print(list);
	387	return 0;
	388	}
	389
	390	static int help(void) {
	391	_cleanup_free_ char *link = NULL;
	392	int r;
	393
	394	r = terminal_urlify_man("localectl", "1", &link);
	395	if (r < 0)
	396	return log_oom();
	397
	398	printf("%s [OPTIONS...] COMMAND ...\n\n"
	399	"%sQuery or change system locale and keyboard settings.%s\n"
	400	"\nCommands:\n"
	401	" status Show current locale settings\n"
	402	" set-locale LOCALE... Set system locale\n"
	403	" list-locales Show known locales\n"
	404	" set-keymap MAP [MAP] Set console and X11 keyboard mappings\n"
	405	" list-keymaps Show known virtual console keyboard mappings\n"
	406	" set-x11-keymap LAYOUT [MODEL [VARIANT [OPTIONS]]]\n"
	407	" Set X11 and console keyboard mappings\n"
	408	" list-x11-keymap-models Show known X11 keyboard mapping models\n"
	409	" list-x11-keymap-layouts Show known X11 keyboard mapping layouts\n"
	410	" list-x11-keymap-variants [LAYOUT]\n"
	411	" Show known X11 keyboard mapping variants\n"
	412	" list-x11-keymap-options Show known X11 keyboard mapping options\n"
	413	"\nOptions:\n"
	414	" -h --help Show this help\n"
	415	" --version Show package version\n"
	416	" -l --full Do not ellipsize output\n"
	417	" --no-pager Do not pipe output into a pager\n"
	418	" --no-ask-password Do not prompt for password\n"
	419	" -H --host=[USER@]HOST Operate on remote host\n"
	420	" -M --machine=CONTAINER Operate on local container\n"
	421	" --no-convert Don't convert keyboard mappings\n"
	422	"\nSee the %s for details.\n",
	423	program_invocation_short_name,
	424	ansi_highlight(),
	425	ansi_normal(),
	426	link);
	427
	428	return 0;
	429	}
	430
	431	static int verb_help(int argc, char *argv, void userdata) {
	432	return help();
	433	}
	434
	435	static int parse_argv(int argc, char *argv[]) {
	436
	437	enum {
	438	ARG_VERSION = 0x100,
	439	ARG_NO_PAGER,
	440	ARG_NO_CONVERT,
	441	ARG_NO_ASK_PASSWORD
	442	};
	443
	444	static const struct option options[] = {
	445	{ "help", no_argument, NULL, 'h' },
	446	{ "version", no_argument, NULL, ARG_VERSION },
	447	{ "full", no_argument, NULL, 'l' },
	448	{ "no-pager", no_argument, NULL, ARG_NO_PAGER },
	449	{ "host", required_argument, NULL, 'H' },
	450	{ "machine", required_argument, NULL, 'M' },
	451	{ "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD },
	452	{ "no-convert", no_argument, NULL, ARG_NO_CONVERT },
	453	{}
	454	};
	455
	456	int r, c;
	457
	458	assert(argc >= 0);
	459	assert(argv);
	460
	461	while ((c = getopt_long(argc, argv, "hlH:M:", options, NULL)) >= 0)
	462
	463	switch (c) {
	464
	465	case 'h':
	466	return help();
	467
	468	case ARG_VERSION:
	469	return version();
	470
	471	case 'l':
	472	arg_full = true;
	473	break;
	474
	475	case ARG_NO_CONVERT:
	476	arg_convert = false;
	477	break;
	478
	479	case ARG_NO_PAGER:
	480	arg_pager_flags \|= PAGER_DISABLE;
	481	break;
	482
	483	case ARG_NO_ASK_PASSWORD:
	484	arg_ask_password = false;
	485	break;
	486
	487	case 'H':
	488	arg_transport = BUS_TRANSPORT_REMOTE;
	489	arg_host = optarg;
	490	break;
	491
	492	case 'M':
	493	r = parse_machine_argument(optarg, &arg_host, &arg_transport);
	494	if (r < 0)
	495	return r;
	496	break;
	497
	498	case '?':
	499	return -EINVAL;
	500
	501	default:
	502	assert_not_reached();
	503	}
	504
	505	return 1;
	506	}
	507
	508	static int localectl_main(sd_bus bus, int argc, char argv[]) {
	509
	510	static const Verb verbs[] = {
	511	{ "status", VERB_ANY, 1, VERB_DEFAULT, show_status },
	512	{ "set-locale", 2, VERB_ANY, 0, set_locale },
	513	{ "list-locales", VERB_ANY, 1, 0, list_locales },
	514	{ "set-keymap", 2, 3, 0, set_vconsole_keymap },
	515	{ "list-keymaps", VERB_ANY, 1, 0, list_vconsole_keymaps },
	516	{ "set-x11-keymap", 2, 5, 0, set_x11_keymap },
	517	{ "list-x11-keymap-models", VERB_ANY, 1, 0, list_x11_keymaps },
	518	{ "list-x11-keymap-layouts", VERB_ANY, 1, 0, list_x11_keymaps },
	519	{ "list-x11-keymap-variants", VERB_ANY, 2, 0, list_x11_keymaps },
	520	{ "list-x11-keymap-options", VERB_ANY, 1, 0, list_x11_keymaps },
	521	{ "help", VERB_ANY, VERB_ANY, 0, verb_help }, /* Not documented, but supported since it is created. */
	522	{}
	523	};
	524
	525	return dispatch_verb(argc, argv, verbs, bus);
	526	}
	527
	528	static int run(int argc, char *argv[]) {
	529	_cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
	530	int r;
	531
	532	setlocale(LC_ALL, "");
	533	log_setup();
	534
	535	r = parse_argv(argc, argv);
	536	if (r <= 0)
	537	return r;
	538
	539	r = bus_connect_transport(arg_transport, arg_host, RUNTIME_SCOPE_SYSTEM, &bus);
	540	if (r < 0)
	541	return bus_log_connect_error(r, arg_transport, RUNTIME_SCOPE_SYSTEM);
	542
	543	return localectl_main(bus, argc, argv);
	544	}
	545
	546	DEFINE_MAIN_FUNCTION(run);