2a03b9ed21
Like it's customary in our codebase bus_error_message() internally takes abs() of the passed error anyway, hence no need to explicitly negate it. We mostly got this right, but in too many cases we didn't. Fix that.
520 lines
18 KiB
C
520 lines
18 KiB
C
/* SPDX-License-Identifier: LGPL-2.1+ */
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#include <ftw.h>
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#include <getopt.h>
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#include <stdbool.h>
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#include <stdlib.h>
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#include "sd-bus.h"
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#include "bus-error.h"
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#include "bus-locator.h"
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#include "bus-map-properties.h"
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#include "fd-util.h"
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#include "fileio.h"
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#include "kbd-util.h"
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#include "locale-util.h"
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#include "main-func.h"
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#include "memory-util.h"
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#include "pager.h"
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#include "pretty-print.h"
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#include "proc-cmdline.h"
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#include "set.h"
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#include "spawn-polkit-agent.h"
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#include "strv.h"
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#include "terminal-util.h"
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#include "verbs.h"
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#include "virt.h"
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static PagerFlags arg_pager_flags = 0;
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static bool arg_ask_password = true;
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static BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
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static const char *arg_host = NULL;
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static bool arg_convert = true;
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typedef struct StatusInfo {
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char **locale;
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const char *vconsole_keymap;
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const char *vconsole_keymap_toggle;
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const char *x11_layout;
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const char *x11_model;
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const char *x11_variant;
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const char *x11_options;
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} StatusInfo;
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static void status_info_clear(StatusInfo *info) {
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if (info) {
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strv_free(info->locale);
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zero(*info);
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}
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}
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static void print_overridden_variables(void) {
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_cleanup_(locale_variables_freep) char *variables[_VARIABLE_LC_MAX] = {};
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bool print_warning = true;
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LocaleVariable j;
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int r;
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if (arg_transport != BUS_TRANSPORT_LOCAL)
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return;
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r = proc_cmdline_get_key_many(
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PROC_CMDLINE_STRIP_RD_PREFIX,
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"locale.LANG", &variables[VARIABLE_LANG],
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"locale.LANGUAGE", &variables[VARIABLE_LANGUAGE],
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"locale.LC_CTYPE", &variables[VARIABLE_LC_CTYPE],
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"locale.LC_NUMERIC", &variables[VARIABLE_LC_NUMERIC],
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"locale.LC_TIME", &variables[VARIABLE_LC_TIME],
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"locale.LC_COLLATE", &variables[VARIABLE_LC_COLLATE],
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"locale.LC_MONETARY", &variables[VARIABLE_LC_MONETARY],
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"locale.LC_MESSAGES", &variables[VARIABLE_LC_MESSAGES],
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"locale.LC_PAPER", &variables[VARIABLE_LC_PAPER],
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"locale.LC_NAME", &variables[VARIABLE_LC_NAME],
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"locale.LC_ADDRESS", &variables[VARIABLE_LC_ADDRESS],
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"locale.LC_TELEPHONE", &variables[VARIABLE_LC_TELEPHONE],
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"locale.LC_MEASUREMENT", &variables[VARIABLE_LC_MEASUREMENT],
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"locale.LC_IDENTIFICATION", &variables[VARIABLE_LC_IDENTIFICATION]);
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if (r < 0 && r != -ENOENT) {
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log_warning_errno(r, "Failed to read /proc/cmdline: %m");
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return;
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}
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for (j = 0; j < _VARIABLE_LC_MAX; j++)
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if (variables[j]) {
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if (print_warning) {
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log_warning("Warning: Settings on kernel command line override system locale settings in /etc/locale.conf.\n"
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" Command Line: %s=%s", locale_variable_to_string(j), variables[j]);
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print_warning = false;
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} else
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log_warning(" %s=%s", locale_variable_to_string(j), variables[j]);
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}
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}
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static void print_status_info(StatusInfo *i) {
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assert(i);
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if (strv_isempty(i->locale))
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puts(" System Locale: n/a");
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else {
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char **j;
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printf(" System Locale: %s\n", i->locale[0]);
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STRV_FOREACH(j, i->locale + 1)
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printf(" %s\n", *j);
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}
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printf(" VC Keymap: %s\n", strna(i->vconsole_keymap));
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if (!isempty(i->vconsole_keymap_toggle))
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printf("VC Toggle Keymap: %s\n", i->vconsole_keymap_toggle);
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printf(" X11 Layout: %s\n", strna(i->x11_layout));
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if (!isempty(i->x11_model))
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printf(" X11 Model: %s\n", i->x11_model);
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if (!isempty(i->x11_variant))
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printf(" X11 Variant: %s\n", i->x11_variant);
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if (!isempty(i->x11_options))
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printf(" X11 Options: %s\n", i->x11_options);
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}
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static int show_status(int argc, char **argv, void *userdata) {
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_cleanup_(status_info_clear) StatusInfo info = {};
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static const struct bus_properties_map map[] = {
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{ "VConsoleKeymap", "s", NULL, offsetof(StatusInfo, vconsole_keymap) },
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{ "VConsoleKeymapToggle", "s", NULL, offsetof(StatusInfo, vconsole_keymap_toggle) },
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{ "X11Layout", "s", NULL, offsetof(StatusInfo, x11_layout) },
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{ "X11Model", "s", NULL, offsetof(StatusInfo, x11_model) },
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{ "X11Variant", "s", NULL, offsetof(StatusInfo, x11_variant) },
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{ "X11Options", "s", NULL, offsetof(StatusInfo, x11_options) },
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{ "Locale", "as", NULL, offsetof(StatusInfo, locale) },
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{}
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};
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_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
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_cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
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sd_bus *bus = userdata;
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int r;
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assert(bus);
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r = bus_map_all_properties(bus,
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"org.freedesktop.locale1",
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"/org/freedesktop/locale1",
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map,
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0,
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&error,
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&m,
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&info);
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if (r < 0)
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return log_error_errno(r, "Could not get properties: %s", bus_error_message(&error, r));
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print_overridden_variables();
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print_status_info(&info);
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return r;
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}
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static int set_locale(int argc, char **argv, void *userdata) {
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_cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
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_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
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sd_bus *bus = userdata;
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int r;
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assert(bus);
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polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
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r = bus_message_new_method_call(bus, &m, bus_locale, "SetLocale");
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if (r < 0)
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return bus_log_create_error(r);
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r = sd_bus_message_append_strv(m, argv + 1);
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if (r < 0)
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return bus_log_create_error(r);
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r = sd_bus_message_append(m, "b", arg_ask_password);
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if (r < 0)
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return bus_log_create_error(r);
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r = sd_bus_call(bus, m, 0, &error, NULL);
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if (r < 0)
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return log_error_errno(r, "Failed to issue method call: %s", bus_error_message(&error, r));
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return 0;
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}
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static int list_locales(int argc, char **argv, void *userdata) {
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_cleanup_strv_free_ char **l = NULL;
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int r;
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r = get_locales(&l);
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if (r < 0)
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return log_error_errno(r, "Failed to read list of locales: %m");
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(void) pager_open(arg_pager_flags);
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strv_print(l);
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return 0;
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}
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static int set_vconsole_keymap(int argc, char **argv, void *userdata) {
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_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
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const char *map, *toggle_map;
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sd_bus *bus = userdata;
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int r;
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assert(bus);
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polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
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map = argv[1];
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toggle_map = argc > 2 ? argv[2] : "";
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r = bus_call_method(
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bus,
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bus_locale,
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"SetVConsoleKeyboard",
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&error,
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NULL,
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"ssbb", map, toggle_map, arg_convert, arg_ask_password);
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if (r < 0)
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return log_error_errno(r, "Failed to set keymap: %s", bus_error_message(&error, r));
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return 0;
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}
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static int list_vconsole_keymaps(int argc, char **argv, void *userdata) {
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_cleanup_strv_free_ char **l = NULL;
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int r;
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r = get_keymaps(&l);
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if (r < 0)
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return log_error_errno(r, "Failed to read list of keymaps: %m");
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(void) pager_open(arg_pager_flags);
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strv_print(l);
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return 0;
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}
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static int set_x11_keymap(int argc, char **argv, void *userdata) {
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_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
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const char *layout, *model, *variant, *options;
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sd_bus *bus = userdata;
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int r;
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polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
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layout = argv[1];
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model = argc > 2 ? argv[2] : "";
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variant = argc > 3 ? argv[3] : "";
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options = argc > 4 ? argv[4] : "";
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r = bus_call_method(
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bus,
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bus_locale,
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"SetX11Keyboard",
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&error,
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NULL,
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"ssssbb", layout, model, variant, options,
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arg_convert, arg_ask_password);
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if (r < 0)
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return log_error_errno(r, "Failed to set keymap: %s", bus_error_message(&error, r));
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return 0;
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}
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static int list_x11_keymaps(int argc, char **argv, void *userdata) {
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_cleanup_fclose_ FILE *f = NULL;
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_cleanup_strv_free_ char **list = NULL;
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enum {
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NONE,
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MODELS,
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LAYOUTS,
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VARIANTS,
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OPTIONS
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} state = NONE, look_for;
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int r;
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f = fopen("/usr/share/X11/xkb/rules/base.lst", "re");
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if (!f)
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return log_error_errno(errno, "Failed to open keyboard mapping list. %m");
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if (streq(argv[0], "list-x11-keymap-models"))
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look_for = MODELS;
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else if (streq(argv[0], "list-x11-keymap-layouts"))
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look_for = LAYOUTS;
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else if (streq(argv[0], "list-x11-keymap-variants"))
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look_for = VARIANTS;
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else if (streq(argv[0], "list-x11-keymap-options"))
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look_for = OPTIONS;
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else
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assert_not_reached("Wrong parameter");
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for (;;) {
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_cleanup_free_ char *line = NULL;
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char *l, *w;
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r = read_line(f, LONG_LINE_MAX, &line);
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if (r < 0)
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return log_error_errno(r, "Failed to read keyboard mapping list: %m");
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if (r == 0)
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break;
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l = strstrip(line);
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if (isempty(l))
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continue;
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if (l[0] == '!') {
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if (startswith(l, "! model"))
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state = MODELS;
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else if (startswith(l, "! layout"))
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state = LAYOUTS;
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else if (startswith(l, "! variant"))
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state = VARIANTS;
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else if (startswith(l, "! option"))
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state = OPTIONS;
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else
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state = NONE;
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continue;
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}
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if (state != look_for)
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continue;
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w = l + strcspn(l, WHITESPACE);
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if (argc > 1) {
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char *e;
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if (*w == 0)
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continue;
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*w = 0;
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w++;
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w += strspn(w, WHITESPACE);
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e = strchr(w, ':');
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if (!e)
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continue;
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*e = 0;
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if (!streq(w, argv[1]))
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continue;
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} else
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*w = 0;
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r = strv_extend(&list, l);
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if (r < 0)
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return log_oom();
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}
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if (strv_isempty(list))
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return log_error_errno(SYNTHETIC_ERRNO(ENOENT),
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"Couldn't find any entries.");
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strv_sort(list);
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strv_uniq(list);
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(void) pager_open(arg_pager_flags);
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strv_print(list);
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return 0;
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}
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static int help(void) {
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_cleanup_free_ char *link = NULL;
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int r;
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r = terminal_urlify_man("localectl", "1", &link);
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if (r < 0)
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return log_oom();
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printf("%s [OPTIONS...] COMMAND ...\n\n"
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"%sQuery or change system locale and keyboard settings.%s\n"
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"\nCommands:\n"
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" status Show current locale settings\n"
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" set-locale LOCALE... Set system locale\n"
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" list-locales Show known locales\n"
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" set-keymap MAP [MAP] Set console and X11 keyboard mappings\n"
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" list-keymaps Show known virtual console keyboard mappings\n"
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" set-x11-keymap LAYOUT [MODEL [VARIANT [OPTIONS]]]\n"
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" Set X11 and console keyboard mappings\n"
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" list-x11-keymap-models Show known X11 keyboard mapping models\n"
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" list-x11-keymap-layouts Show known X11 keyboard mapping layouts\n"
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" list-x11-keymap-variants [LAYOUT]\n"
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" Show known X11 keyboard mapping variants\n"
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" list-x11-keymap-options Show known X11 keyboard mapping options\n"
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"\nOptions:\n"
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" -h --help Show this help\n"
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" --version Show package version\n"
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" --no-pager Do not pipe output into a pager\n"
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" --no-ask-password Do not prompt for password\n"
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" -H --host=[USER@]HOST Operate on remote host\n"
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" -M --machine=CONTAINER Operate on local container\n"
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" --no-convert Don't convert keyboard mappings\n"
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"\nSee the %s for details.\n"
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, program_invocation_short_name
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, ansi_highlight()
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, ansi_normal()
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, link
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);
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return 0;
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}
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static int verb_help(int argc, char **argv, void *userdata) {
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return help();
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}
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static int parse_argv(int argc, char *argv[]) {
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enum {
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ARG_VERSION = 0x100,
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ARG_NO_PAGER,
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ARG_NO_CONVERT,
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ARG_NO_ASK_PASSWORD
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};
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static const struct option options[] = {
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{ "help", no_argument, NULL, 'h' },
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{ "version", no_argument, NULL, ARG_VERSION },
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{ "no-pager", no_argument, NULL, ARG_NO_PAGER },
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{ "host", required_argument, NULL, 'H' },
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{ "machine", required_argument, NULL, 'M' },
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{ "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD },
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{ "no-convert", no_argument, NULL, ARG_NO_CONVERT },
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{}
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};
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int c;
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assert(argc >= 0);
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assert(argv);
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while ((c = getopt_long(argc, argv, "hH:M:", options, NULL)) >= 0)
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switch (c) {
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case 'h':
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return help();
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case ARG_VERSION:
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return version();
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case ARG_NO_CONVERT:
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arg_convert = false;
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break;
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case ARG_NO_PAGER:
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arg_pager_flags |= PAGER_DISABLE;
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break;
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case ARG_NO_ASK_PASSWORD:
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arg_ask_password = false;
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break;
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case 'H':
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arg_transport = BUS_TRANSPORT_REMOTE;
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arg_host = optarg;
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break;
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case 'M':
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arg_transport = BUS_TRANSPORT_MACHINE;
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arg_host = optarg;
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break;
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case '?':
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return -EINVAL;
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default:
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assert_not_reached("Unhandled option");
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}
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return 1;
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}
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static int localectl_main(sd_bus *bus, int argc, char *argv[]) {
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static const Verb verbs[] = {
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{ "status", VERB_ANY, 1, VERB_DEFAULT, show_status },
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{ "set-locale", 2, VERB_ANY, 0, set_locale },
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{ "list-locales", VERB_ANY, 1, 0, list_locales },
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{ "set-keymap", 2, 3, 0, set_vconsole_keymap },
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{ "list-keymaps", VERB_ANY, 1, 0, list_vconsole_keymaps },
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{ "set-x11-keymap", 2, 5, 0, set_x11_keymap },
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{ "list-x11-keymap-models", VERB_ANY, 1, 0, list_x11_keymaps },
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{ "list-x11-keymap-layouts", VERB_ANY, 1, 0, list_x11_keymaps },
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{ "list-x11-keymap-variants", VERB_ANY, 2, 0, list_x11_keymaps },
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{ "list-x11-keymap-options", VERB_ANY, 1, 0, list_x11_keymaps },
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{ "help", VERB_ANY, VERB_ANY, 0, verb_help }, /* Not documented, but supported since it is created. */
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{}
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};
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return dispatch_verb(argc, argv, verbs, bus);
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}
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static int run(int argc, char *argv[]) {
|
|
_cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
|
|
int r;
|
|
|
|
setlocale(LC_ALL, "");
|
|
log_setup_cli();
|
|
|
|
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);
|
|
|
|
return localectl_main(bus, argc, argv);
|
|
}
|
|
|
|
DEFINE_MAIN_FUNCTION(run);
|