From b750101eb236130cf056c675997decbac904cc49 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 17:35:18 +0200 Subject: Adding upstream version 252.22. Signed-off-by: Daniel Baumann --- src/locale/localectl.c | 540 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 540 insertions(+) create mode 100644 src/locale/localectl.c (limited to 'src/locale/localectl.c') diff --git a/src/locale/localectl.c b/src/locale/localectl.c new file mode 100644 index 0000000..c23f1fa --- /dev/null +++ b/src/locale/localectl.c @@ -0,0 +1,540 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ + +#include +#include + +#include "sd-bus.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 = { .mtime = USEC_INFINITY }; + + 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("key", "value"); + if (!table) + return log_oom(); + + assert_se(cell = table_get_cell(table, 0, 0)); + (void) table_set_ellipsize_percent(table, cell, 100); + (void) table_set_align_percent(table, cell, 100); + + table_set_header(table, false); + + 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_STRING, "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_STRING, "System Locale:", + TABLE_STRV, i->locale, + TABLE_STRING, "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_STRING, "VC Toggle Keymap:", + TABLE_STRING, i->vconsole_keymap_toggle); + if (r < 0) + return table_log_add_error(r); + } + + r = table_add_many(table, + TABLE_STRING, "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_STRING, "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_STRING, "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_STRING, "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 *l, *w; + + r = read_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; + + 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 (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; + + r = strv_extend(&list, l); + if (r < 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, false, &bus); + if (r < 0) + return bus_log_connect_error(r, arg_transport); + + return localectl_main(bus, argc, argv); +} + +DEFINE_MAIN_FUNCTION(run); -- cgit v1.2.3