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-rw-r--r--src/locale/localectl.c535
1 files changed, 535 insertions, 0 deletions
diff --git a/src/locale/localectl.c b/src/locale/localectl.c
new file mode 100644
index 0000000..3235402
--- /dev/null
+++ b/src/locale/localectl.c
@@ -0,0 +1,535 @@
+/* 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 *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);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-28 00:47:37 +0000