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Diffstat (limited to 'src/grp-locale/localectl/localectl.c')
-rw-r--r--src/grp-locale/localectl/localectl.c683
1 files changed, 683 insertions, 0 deletions
diff --git a/src/grp-locale/localectl/localectl.c b/src/grp-locale/localectl/localectl.c
new file mode 100644
index 0000000000..491b40c8fa
--- /dev/null
+++ b/src/grp-locale/localectl/localectl.c
@@ -0,0 +1,683 @@
+/***
+ This file is part of systemd.
+
+ Copyright 2012 Lennart Poettering
+ Copyright 2013 Kay Sievers
+
+ systemd is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 of the License, or
+ (at your option) any later version.
+
+ systemd is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <ftw.h>
+#include <getopt.h>
+#include <locale.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <systemd/sd-bus.h>
+
+#include "sd-bus/bus-error.h"
+#include "sd-bus/bus-util.h"
+#include "systemd-basic/def.h"
+#include "systemd-basic/fd-util.h"
+#include "systemd-basic/fileio.h"
+#include "systemd-basic/locale-util.h"
+#include "systemd-basic/set.h"
+#include "systemd-basic/strv.h"
+#include "systemd-basic/util.h"
+#include "systemd-basic/virt.h"
+#include "systemd-shared/pager.h"
+#include "systemd-shared/spawn-polkit-agent.h"
+
+static bool arg_no_pager = false;
+static bool arg_ask_password = true;
+static BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
+static char *arg_host = NULL;
+static bool arg_convert = true;
+
+static void polkit_agent_open_if_enabled(void) {
+
+ /* Open the polkit agent as a child process if necessary */
+ if (!arg_ask_password)
+ return;
+
+ if (arg_transport != BUS_TRANSPORT_LOCAL)
+ return;
+
+ polkit_agent_open();
+}
+
+typedef struct StatusInfo {
+ char **locale;
+ char *vconsole_keymap;
+ char *vconsole_keymap_toggle;
+ char *x11_layout;
+ char *x11_model;
+ char *x11_variant;
+ char *x11_options;
+} StatusInfo;
+
+static void status_info_clear(StatusInfo *info) {
+ if (info) {
+ strv_free(info->locale);
+ free(info->vconsole_keymap);
+ free(info->vconsole_keymap_toggle);
+ free(info->x11_layout);
+ free(info->x11_model);
+ free(info->x11_variant);
+ free(info->x11_options);
+ zero(*info);
+ }
+}
+
+static void print_overridden_variables(void) {
+ int r;
+ char *variables[_VARIABLE_LC_MAX] = {};
+ LocaleVariable j;
+ bool print_warning = true;
+
+ if (detect_container() > 0 || arg_host)
+ return;
+
+ r = parse_env_file("/proc/cmdline", WHITESPACE,
+ "locale.LANG", &variables[VARIABLE_LANG],
+ "locale.LANGUAGE", &variables[VARIABLE_LANGUAGE],
+ "locale.LC_CTYPE", &variables[VARIABLE_LC_CTYPE],
+ "locale.LC_NUMERIC", &variables[VARIABLE_LC_NUMERIC],
+ "locale.LC_TIME", &variables[VARIABLE_LC_TIME],
+ "locale.LC_COLLATE", &variables[VARIABLE_LC_COLLATE],
+ "locale.LC_MONETARY", &variables[VARIABLE_LC_MONETARY],
+ "locale.LC_MESSAGES", &variables[VARIABLE_LC_MESSAGES],
+ "locale.LC_PAPER", &variables[VARIABLE_LC_PAPER],
+ "locale.LC_NAME", &variables[VARIABLE_LC_NAME],
+ "locale.LC_ADDRESS", &variables[VARIABLE_LC_ADDRESS],
+ "locale.LC_TELEPHONE", &variables[VARIABLE_LC_TELEPHONE],
+ "locale.LC_MEASUREMENT", &variables[VARIABLE_LC_MEASUREMENT],
+ "locale.LC_IDENTIFICATION", &variables[VARIABLE_LC_IDENTIFICATION],
+ NULL);
+
+ if (r < 0 && r != -ENOENT) {
+ log_warning_errno(r, "Failed to read /proc/cmdline: %m");
+ goto finish;
+ }
+
+ for (j = 0; j < _VARIABLE_LC_MAX; j++)
+ if (variables[j]) {
+ if (print_warning) {
+ log_warning("Warning: Settings on kernel command line override system locale settings in /etc/locale.conf.\n"
+ " Command Line: %s=%s", locale_variable_to_string(j), variables[j]);
+
+ print_warning = false;
+ } else
+ log_warning(" %s=%s", locale_variable_to_string(j), variables[j]);
+ }
+ finish:
+ for (j = 0; j < _VARIABLE_LC_MAX; j++)
+ free(variables[j]);
+}
+
+static void print_status_info(StatusInfo *i) {
+ assert(i);
+
+ if (strv_isempty(i->locale))
+ puts(" System Locale: n/a");
+ else {
+ char **j;
+
+ printf(" System Locale: %s\n", i->locale[0]);
+ STRV_FOREACH(j, i->locale + 1)
+ printf(" %s\n", *j);
+ }
+
+ printf(" VC Keymap: %s\n", strna(i->vconsole_keymap));
+ if (!isempty(i->vconsole_keymap_toggle))
+ printf("VC Toggle Keymap: %s\n", i->vconsole_keymap_toggle);
+
+ printf(" X11 Layout: %s\n", strna(i->x11_layout));
+ if (!isempty(i->x11_model))
+ printf(" X11 Model: %s\n", i->x11_model);
+ if (!isempty(i->x11_variant))
+ printf(" X11 Variant: %s\n", i->x11_variant);
+ if (!isempty(i->x11_options))
+ printf(" X11 Options: %s\n", i->x11_options);
+}
+
+static int show_status(sd_bus *bus, char **args, unsigned n) {
+ _cleanup_(status_info_clear) StatusInfo info = {};
+ static const struct bus_properties_map map[] = {
+ { "VConsoleKeymap", "s", NULL, offsetof(StatusInfo, vconsole_keymap) },
+ { "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) },
+ {}
+ };
+ int r;
+
+ assert(bus);
+
+ r = bus_map_all_properties(bus,
+ "org.freedesktop.locale1",
+ "/org/freedesktop/locale1",
+ map,
+ &info);
+ if (r < 0)
+ return log_error_errno(r, "Could not get properties: %m");
+
+ print_overridden_variables();
+ print_status_info(&info);
+
+ return r;
+}
+
+static int set_locale(sd_bus *bus, char **args, unsigned n) {
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ int r;
+
+ assert(bus);
+ assert(args);
+
+ polkit_agent_open_if_enabled();
+
+ r = sd_bus_message_new_method_call(
+ bus,
+ &m,
+ "org.freedesktop.locale1",
+ "/org/freedesktop/locale1",
+ "org.freedesktop.locale1",
+ "SetLocale");
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_message_append_strv(m, args + 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);
+
+ r = sd_bus_call(bus, m, 0, &error, NULL);
+ if (r < 0) {
+ log_error("Failed to issue method call: %s", bus_error_message(&error, -r));
+ return r;
+ }
+
+ return 0;
+}
+
+static int list_locales(sd_bus *bus, char **args, unsigned n) {
+ _cleanup_strv_free_ char **l = NULL;
+ int r;
+
+ assert(args);
+
+ r = get_locales(&l);
+ if (r < 0)
+ return log_error_errno(r, "Failed to read list of locales: %m");
+
+ pager_open(arg_no_pager, false);
+ strv_print(l);
+
+ return 0;
+}
+
+static int set_vconsole_keymap(sd_bus *bus, char **args, unsigned n) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ const char *map, *toggle_map;
+ int r;
+
+ assert(bus);
+ assert(args);
+
+ if (n > 3) {
+ log_error("Too many arguments.");
+ return -EINVAL;
+ }
+
+ polkit_agent_open_if_enabled();
+
+ map = args[1];
+ toggle_map = n > 2 ? args[2] : "";
+
+ r = sd_bus_call_method(
+ bus,
+ "org.freedesktop.locale1",
+ "/org/freedesktop/locale1",
+ "org.freedesktop.locale1",
+ "SetVConsoleKeyboard",
+ &error,
+ NULL,
+ "ssbb", map, toggle_map, arg_convert, arg_ask_password);
+ if (r < 0)
+ log_error("Failed to set keymap: %s", bus_error_message(&error, -r));
+
+ return r;
+}
+
+static Set *keymaps = NULL;
+
+static int nftw_cb(
+ const char *fpath,
+ const struct stat *sb,
+ int tflag,
+ struct FTW *ftwbuf) {
+
+ char *p, *e;
+ int r;
+
+ if (tflag != FTW_F)
+ return 0;
+
+ if (!endswith(fpath, ".map") &&
+ !endswith(fpath, ".map.gz"))
+ return 0;
+
+ p = strdup(basename(fpath));
+ if (!p)
+ return log_oom();
+
+ e = endswith(p, ".map");
+ if (e)
+ *e = 0;
+
+ e = endswith(p, ".map.gz");
+ if (e)
+ *e = 0;
+
+ r = set_consume(keymaps, p);
+ if (r < 0 && r != -EEXIST)
+ return log_error_errno(r, "Can't add keymap: %m");
+
+ return 0;
+}
+
+static int list_vconsole_keymaps(sd_bus *bus, char **args, unsigned n) {
+ _cleanup_strv_free_ char **l = NULL;
+ const char *dir;
+
+ keymaps = set_new(&string_hash_ops);
+ if (!keymaps)
+ return log_oom();
+
+ NULSTR_FOREACH(dir, KBD_KEYMAP_DIRS)
+ nftw(dir, nftw_cb, 20, FTW_MOUNT|FTW_PHYS);
+
+ l = set_get_strv(keymaps);
+ if (!l) {
+ set_free_free(keymaps);
+ return log_oom();
+ }
+
+ set_free(keymaps);
+
+ if (strv_isempty(l)) {
+ log_error("Couldn't find any console keymaps.");
+ return -ENOENT;
+ }
+
+ strv_sort(l);
+
+ pager_open(arg_no_pager, false);
+
+ strv_print(l);
+
+ return 0;
+}
+
+static int set_x11_keymap(sd_bus *bus, char **args, unsigned n) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ const char *layout, *model, *variant, *options;
+ int r;
+
+ assert(bus);
+ assert(args);
+
+ if (n > 5) {
+ log_error("Too many arguments.");
+ return -EINVAL;
+ }
+
+ polkit_agent_open_if_enabled();
+
+ layout = args[1];
+ model = n > 2 ? args[2] : "";
+ variant = n > 3 ? args[3] : "";
+ options = n > 4 ? args[4] : "";
+
+ r = sd_bus_call_method(
+ bus,
+ "org.freedesktop.locale1",
+ "/org/freedesktop/locale1",
+ "org.freedesktop.locale1",
+ "SetX11Keyboard",
+ &error,
+ NULL,
+ "ssssbb", layout, model, variant, options,
+ arg_convert, arg_ask_password);
+ if (r < 0)
+ log_error("Failed to set keymap: %s", bus_error_message(&error, -r));
+
+ return r;
+}
+
+static int list_x11_keymaps(sd_bus *bus, char **args, unsigned n) {
+ _cleanup_fclose_ FILE *f = NULL;
+ _cleanup_strv_free_ char **list = NULL;
+ char line[LINE_MAX];
+ enum {
+ NONE,
+ MODELS,
+ LAYOUTS,
+ VARIANTS,
+ OPTIONS
+ } state = NONE, look_for;
+ int r;
+
+ if (n > 2) {
+ log_error("Too many arguments.");
+ return -EINVAL;
+ }
+
+ 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(args[0], "list-x11-keymap-models"))
+ look_for = MODELS;
+ else if (streq(args[0], "list-x11-keymap-layouts"))
+ look_for = LAYOUTS;
+ else if (streq(args[0], "list-x11-keymap-variants"))
+ look_for = VARIANTS;
+ else if (streq(args[0], "list-x11-keymap-options"))
+ look_for = OPTIONS;
+ else
+ assert_not_reached("Wrong parameter");
+
+ FOREACH_LINE(line, f, break) {
+ char *l, *w;
+
+ 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 (n > 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, args[1]))
+ continue;
+ } else
+ *w = 0;
+
+ r = strv_extend(&list, l);
+ if (r < 0)
+ return log_oom();
+ }
+
+ if (strv_isempty(list)) {
+ log_error("Couldn't find any entries.");
+ return -ENOENT;
+ }
+
+ strv_sort(list);
+ strv_uniq(list);
+
+ pager_open(arg_no_pager, false);
+
+ strv_print(list);
+ return 0;
+}
+
+static void help(void) {
+ printf("%s [OPTIONS...] COMMAND ...\n\n"
+ "Query or change system locale and keyboard settings.\n\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\n"
+ "Commands:\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"
+ , program_invocation_short_name);
+}
+
+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':
+ help();
+ return 0;
+
+ case ARG_VERSION:
+ return version();
+
+ case ARG_NO_CONVERT:
+ arg_convert = false;
+ break;
+
+ case ARG_NO_PAGER:
+ arg_no_pager = true;
+ 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("Unhandled option");
+ }
+
+ return 1;
+}
+
+static int localectl_main(sd_bus *bus, int argc, char *argv[]) {
+
+ static const struct {
+ const char* verb;
+ const enum {
+ MORE,
+ LESS,
+ EQUAL
+ } argc_cmp;
+ const int argc;
+ int (* const dispatch)(sd_bus *bus, char **args, unsigned n);
+ } verbs[] = {
+ { "status", LESS, 1, show_status },
+ { "set-locale", MORE, 2, set_locale },
+ { "list-locales", EQUAL, 1, list_locales },
+ { "set-keymap", MORE, 2, set_vconsole_keymap },
+ { "list-keymaps", EQUAL, 1, list_vconsole_keymaps },
+ { "set-x11-keymap", MORE, 2, set_x11_keymap },
+ { "list-x11-keymap-models", EQUAL, 1, list_x11_keymaps },
+ { "list-x11-keymap-layouts", EQUAL, 1, list_x11_keymaps },
+ { "list-x11-keymap-variants", LESS, 2, list_x11_keymaps },
+ { "list-x11-keymap-options", EQUAL, 1, list_x11_keymaps },
+ };
+
+ int left;
+ unsigned i;
+
+ assert(argc >= 0);
+ assert(argv);
+
+ left = argc - optind;
+
+ if (left <= 0)
+ /* Special rule: no arguments means "status" */
+ i = 0;
+ else {
+ if (streq(argv[optind], "help")) {
+ help();
+ return 0;
+ }
+
+ for (i = 0; i < ELEMENTSOF(verbs); i++)
+ if (streq(argv[optind], verbs[i].verb))
+ break;
+
+ if (i >= ELEMENTSOF(verbs)) {
+ log_error("Unknown operation %s", argv[optind]);
+ return -EINVAL;
+ }
+ }
+
+ switch (verbs[i].argc_cmp) {
+
+ case EQUAL:
+ if (left != verbs[i].argc) {
+ log_error("Invalid number of arguments.");
+ return -EINVAL;
+ }
+
+ break;
+
+ case MORE:
+ if (left < verbs[i].argc) {
+ log_error("Too few arguments.");
+ return -EINVAL;
+ }
+
+ break;
+
+ case LESS:
+ if (left > verbs[i].argc) {
+ log_error("Too many arguments.");
+ return -EINVAL;
+ }
+
+ break;
+
+ default:
+ assert_not_reached("Unknown comparison operator.");
+ }
+
+ return verbs[i].dispatch(bus, argv + optind, left);
+}
+
+int main(int argc, char*argv[]) {
+ sd_bus *bus = NULL;
+ int r;
+
+ setlocale(LC_ALL, "");
+ log_parse_environment();
+ log_open();
+
+ r = parse_argv(argc, argv);
+ if (r <= 0)
+ goto finish;
+
+ r = bus_connect_transport(arg_transport, arg_host, false, &bus);
+ if (r < 0) {
+ log_error_errno(r, "Failed to create bus connection: %m");
+ goto finish;
+ }
+
+ r = localectl_main(bus, argc, argv);
+
+finish:
+ sd_bus_flush_close_unref(bus);
+ pager_close();
+
+ return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-01 11:32:19 +0000