+++ /dev/null
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- 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 <locale.h>
-#include <stdlib.h>
-#include <stdbool.h>
-#include <getopt.h>
-#include <string.h>
-#include <ftw.h>
-
-#include "sd-bus.h"
-#include "bus-util.h"
-#include "bus-error.h"
-#include "util.h"
-#include "spawn-polkit-agent.h"
-#include "build.h"
-#include "strv.h"
-#include "pager.h"
-#include "set.h"
-#include "def.h"
-#include "virt.h"
-#include "fileio.h"
-#include "locale-util.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 pager_open_if_enabled(void) {
-
- if (arg_no_pager)
- return;
-
- pager_open(false);
-}
-
-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;
- 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 print_overriden_variables(void) {
- int r;
- char *variables[_VARIABLE_LC_MAX] = {};
- LocaleVariable j;
- bool print_warning = true;
-
- if (detect_container(NULL) > 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\n");
- 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) {
- 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) {
- log_error_errno(r, "Could not get properties: %m");
- goto fail;
- }
-
- print_overriden_variables();
- print_status_info(&info);
-
-fail:
- strv_free(info.locale);
- return r;
-}
-
-static int set_locale(sd_bus *bus, char **args, unsigned n) {
- _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
- _cleanup_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_if_enabled();
- strv_print(l);
-
- return 0;
-}
-
-static int set_vconsole_keymap(sd_bus *bus, char **args, unsigned n) {
- _cleanup_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_if_enabled();
-
- strv_print(l);
-
- return 0;
-}
-
-static int set_x11_keymap(sd_bus *bus, char **args, unsigned n) {
- _cleanup_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_if_enabled();
-
- 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:
- puts(PACKAGE_STRING);
- puts(SYSTEMD_FEATURES);
- return 0;
-
- 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[]) {
- _cleanup_bus_close_unref_ 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_open_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:
- pager_close();
-
- return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
-}
~ianmdlvl / elogind.git / blobdiff