-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- This file is part of systemd.
-
- Copyright 2011 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 <errno.h>
-#include <string.h>
-#include <unistd.h>
-
-#include "sd-bus.h"
-
-#include "util.h"
-#include "mkdir.h"
-#include "strv.h"
-#include "def.h"
-#include "env-util.h"
-#include "fileio.h"
-#include "fileio-label.h"
-#include "bus-util.h"
-#include "bus-error.h"
-#include "bus-message.h"
-#include "event-util.h"
-#include "locale-util.h"
-#include "selinux-util.h"
-
-#ifdef HAVE_XKBCOMMON
-#include <xkbcommon/xkbcommon.h>
-#endif
-
-enum {
- /* We don't list LC_ALL here on purpose. People should be
- * using LANG instead. */
- LOCALE_LANG,
- LOCALE_LANGUAGE,
- LOCALE_LC_CTYPE,
- LOCALE_LC_NUMERIC,
- LOCALE_LC_TIME,
- LOCALE_LC_COLLATE,
- LOCALE_LC_MONETARY,
- LOCALE_LC_MESSAGES,
- LOCALE_LC_PAPER,
- LOCALE_LC_NAME,
- LOCALE_LC_ADDRESS,
- LOCALE_LC_TELEPHONE,
- LOCALE_LC_MEASUREMENT,
- LOCALE_LC_IDENTIFICATION,
- _LOCALE_MAX
-};
-
-static const char * const names[_LOCALE_MAX] = {
- [LOCALE_LANG] = "LANG",
- [LOCALE_LANGUAGE] = "LANGUAGE",
- [LOCALE_LC_CTYPE] = "LC_CTYPE",
- [LOCALE_LC_NUMERIC] = "LC_NUMERIC",
- [LOCALE_LC_TIME] = "LC_TIME",
- [LOCALE_LC_COLLATE] = "LC_COLLATE",
- [LOCALE_LC_MONETARY] = "LC_MONETARY",
- [LOCALE_LC_MESSAGES] = "LC_MESSAGES",
- [LOCALE_LC_PAPER] = "LC_PAPER",
- [LOCALE_LC_NAME] = "LC_NAME",
- [LOCALE_LC_ADDRESS] = "LC_ADDRESS",
- [LOCALE_LC_TELEPHONE] = "LC_TELEPHONE",
- [LOCALE_LC_MEASUREMENT] = "LC_MEASUREMENT",
- [LOCALE_LC_IDENTIFICATION] = "LC_IDENTIFICATION"
-};
-
-typedef struct Context {
- char *locale[_LOCALE_MAX];
-
- char *x11_layout;
- char *x11_model;
- char *x11_variant;
- char *x11_options;
-
- char *vc_keymap;
- char *vc_keymap_toggle;
-
- Hashmap *polkit_registry;
-} Context;
-
-static const char* nonempty(const char *s) {
- return isempty(s) ? NULL : s;
-}
-
-static void free_and_replace(char **s, char *v) {
- free(*s);
- *s = v;
-}
-
-static bool startswith_comma(const char *s, const char *prefix) {
- const char *t;
-
- return s && (t = startswith(s, prefix)) && (*t == ',');
-}
-
-static void context_free_x11(Context *c) {
- free_and_replace(&c->x11_layout, NULL);
- free_and_replace(&c->x11_model, NULL);
- free_and_replace(&c->x11_variant, NULL);
- free_and_replace(&c->x11_options, NULL);
-}
-
-static void context_free_vconsole(Context *c) {
- free_and_replace(&c->vc_keymap, NULL);
- free_and_replace(&c->vc_keymap_toggle, NULL);
-}
-
-static void context_free_locale(Context *c) {
- int p;
-
- for (p = 0; p < _LOCALE_MAX; p++)
- free_and_replace(&c->locale[p], NULL);
-}
-
-static void context_free(Context *c) {
- context_free_locale(c);
- context_free_x11(c);
- context_free_vconsole(c);
-
- bus_verify_polkit_async_registry_free(c->polkit_registry);
-};
-
-static void locale_simplify(Context *c) {
- int p;
-
- for (p = LOCALE_LANG+1; p < _LOCALE_MAX; p++)
- if (isempty(c->locale[p]) || streq_ptr(c->locale[LOCALE_LANG], c->locale[p]))
- free_and_replace(&c->locale[p], NULL);
-}
-
-static int locale_read_data(Context *c) {
- int r;
-
- context_free_locale(c);
-
- r = parse_env_file("/etc/locale.conf", NEWLINE,
- "LANG", &c->locale[LOCALE_LANG],
- "LANGUAGE", &c->locale[LOCALE_LANGUAGE],
- "LC_CTYPE", &c->locale[LOCALE_LC_CTYPE],
- "LC_NUMERIC", &c->locale[LOCALE_LC_NUMERIC],
- "LC_TIME", &c->locale[LOCALE_LC_TIME],
- "LC_COLLATE", &c->locale[LOCALE_LC_COLLATE],
- "LC_MONETARY", &c->locale[LOCALE_LC_MONETARY],
- "LC_MESSAGES", &c->locale[LOCALE_LC_MESSAGES],
- "LC_PAPER", &c->locale[LOCALE_LC_PAPER],
- "LC_NAME", &c->locale[LOCALE_LC_NAME],
- "LC_ADDRESS", &c->locale[LOCALE_LC_ADDRESS],
- "LC_TELEPHONE", &c->locale[LOCALE_LC_TELEPHONE],
- "LC_MEASUREMENT", &c->locale[LOCALE_LC_MEASUREMENT],
- "LC_IDENTIFICATION", &c->locale[LOCALE_LC_IDENTIFICATION],
- NULL);
-
- if (r == -ENOENT) {
- int p;
-
- /* Fill in what we got passed from systemd. */
- for (p = 0; p < _LOCALE_MAX; p++) {
- assert(names[p]);
-
- r = free_and_strdup(&c->locale[p],
- nonempty(getenv(names[p])));
- if (r < 0)
- return r;
- }
-
- r = 0;
- }
-
- locale_simplify(c);
- return r;
-}
-
-static int vconsole_read_data(Context *c) {
- int r;
-
- context_free_vconsole(c);
-
- r = parse_env_file("/etc/vconsole.conf", NEWLINE,
- "KEYMAP", &c->vc_keymap,
- "KEYMAP_TOGGLE", &c->vc_keymap_toggle,
- NULL);
-
- if (r < 0 && r != -ENOENT)
- return r;
-
- return 0;
-}
-
-static int x11_read_data(Context *c) {
- _cleanup_fclose_ FILE *f;
- char line[LINE_MAX];
- bool in_section = false;
- int r;
-
- context_free_x11(c);
-
- f = fopen("/etc/X11/xorg.conf.d/00-keyboard.conf", "re");
- if (!f)
- return errno == ENOENT ? 0 : -errno;
-
- while (fgets(line, sizeof(line), f)) {
- char *l;
-
- char_array_0(line);
- l = strstrip(line);
-
- if (l[0] == 0 || l[0] == '#')
- continue;
-
- if (in_section && first_word(l, "Option")) {
- _cleanup_strv_free_ char **a = NULL;
-
- r = strv_split_quoted(&a, l, 0);
- if (r < 0)
- return r;
-
- if (strv_length(a) == 3) {
- if (streq(a[1], "XkbLayout")) {
- free_and_replace(&c->x11_layout, a[2]);
- a[2] = NULL;
- } else if (streq(a[1], "XkbModel")) {
- free_and_replace(&c->x11_model, a[2]);
- a[2] = NULL;
- } else if (streq(a[1], "XkbVariant")) {
- free_and_replace(&c->x11_variant, a[2]);
- a[2] = NULL;
- } else if (streq(a[1], "XkbOptions")) {
- free_and_replace(&c->x11_options, a[2]);
- a[2] = NULL;
- }
- }
-
- } else if (!in_section && first_word(l, "Section")) {
- _cleanup_strv_free_ char **a = NULL;
-
- r = strv_split_quoted(&a, l, 0);
- if (r < 0)
- return -ENOMEM;
-
- if (strv_length(a) == 2 && streq(a[1], "InputClass"))
- in_section = true;
-
- } else if (in_section && first_word(l, "EndSection"))
- in_section = false;
- }
-
- return 0;
-}
-
-static int context_read_data(Context *c) {
- int r, q, p;
-
- r = locale_read_data(c);
- q = vconsole_read_data(c);
- p = x11_read_data(c);
-
- return r < 0 ? r : q < 0 ? q : p;
-}
-
-static int locale_write_data(Context *c, char ***settings) {
- int r, p;
- _cleanup_strv_free_ char **l = NULL;
-
- /* Set values will be returned as strv in *settings on success. */
-
- r = load_env_file(NULL, "/etc/locale.conf", NULL, &l);
- if (r < 0 && r != -ENOENT)
- return r;
-
- for (p = 0; p < _LOCALE_MAX; p++) {
- _cleanup_free_ char *t = NULL;
- char **u;
-
- assert(names[p]);
-
- if (isempty(c->locale[p])) {
- l = strv_env_unset(l, names[p]);
- continue;
- }
-
- if (asprintf(&t, "%s=%s", names[p], c->locale[p]) < 0)
- return -ENOMEM;
-
- u = strv_env_set(l, t);
- if (!u)
- return -ENOMEM;
-
- strv_free(l);
- l = u;
- }
-
- if (strv_isempty(l)) {
- if (unlink("/etc/locale.conf") < 0)
- return errno == ENOENT ? 0 : -errno;
-
- return 0;
- }
-
- r = write_env_file_label("/etc/locale.conf", l);
- if (r < 0)
- return r;
-
- *settings = l;
- l = NULL;
- return 0;
-}
-
-static int locale_update_system_manager(Context *c, sd_bus *bus) {
- _cleanup_free_ char **l_unset = NULL;
- _cleanup_strv_free_ char **l_set = NULL;
- _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
- sd_bus_error error = SD_BUS_ERROR_NULL;
- unsigned c_set, c_unset, p;
- int r;
-
- assert(bus);
-
- l_unset = new0(char*, _LOCALE_MAX);
- if (!l_unset)
- return -ENOMEM;
-
- l_set = new0(char*, _LOCALE_MAX);
- if (!l_set)
- return -ENOMEM;
-
- for (p = 0, c_set = 0, c_unset = 0; p < _LOCALE_MAX; p++) {
- assert(names[p]);
-
- if (isempty(c->locale[p]))
- l_unset[c_set++] = (char*) names[p];
- else {
- char *s;
-
- if (asprintf(&s, "%s=%s", names[p], c->locale[p]) < 0)
- return -ENOMEM;
-
- l_set[c_unset++] = s;
- }
- }
-
- assert(c_set + c_unset == _LOCALE_MAX);
- r = sd_bus_message_new_method_call(bus, &m,
- "org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- "org.freedesktop.systemd1.Manager",
- "UnsetAndSetEnvironment");
- if (r < 0)
- return r;
-
- r = sd_bus_message_append_strv(m, l_unset);
- if (r < 0)
- return r;
-
- r = sd_bus_message_append_strv(m, l_set);
- if (r < 0)
- return r;
-
- r = sd_bus_call(bus, m, 0, &error, NULL);
- if (r < 0)
- log_error_errno(r, "Failed to update the manager environment: %m");
-
- return 0;
-}
-
-static int vconsole_write_data(Context *c) {
- int r;
- _cleanup_strv_free_ char **l = NULL;
-
- r = load_env_file(NULL, "/etc/vconsole.conf", NULL, &l);
- if (r < 0 && r != -ENOENT)
- return r;
-
- if (isempty(c->vc_keymap))
- l = strv_env_unset(l, "KEYMAP");
- else {
- _cleanup_free_ char *s = NULL;
- char **u;
-
- s = strappend("KEYMAP=", c->vc_keymap);
- if (!s)
- return -ENOMEM;
-
- u = strv_env_set(l, s);
- if (!u)
- return -ENOMEM;
-
- strv_free(l);
- l = u;
- }
-
- if (isempty(c->vc_keymap_toggle))
- l = strv_env_unset(l, "KEYMAP_TOGGLE");
- else {
- _cleanup_free_ char *s = NULL;
- char **u;
-
- s = strappend("KEYMAP_TOGGLE=", c->vc_keymap_toggle);
- if (!s)
- return -ENOMEM;
-
- u = strv_env_set(l, s);
- if (!u)
- return -ENOMEM;
-
- strv_free(l);
- l = u;
- }
-
- if (strv_isempty(l)) {
- if (unlink("/etc/vconsole.conf") < 0)
- return errno == ENOENT ? 0 : -errno;
-
- return 0;
- }
-
- return write_env_file_label("/etc/vconsole.conf", l);
-}
-
-static int x11_write_data(Context *c) {
- _cleanup_fclose_ FILE *f = NULL;
- _cleanup_free_ char *temp_path = NULL;
- int r;
-
- if (isempty(c->x11_layout) &&
- isempty(c->x11_model) &&
- isempty(c->x11_variant) &&
- isempty(c->x11_options)) {
-
- if (unlink("/etc/X11/xorg.conf.d/00-keyboard.conf") < 0)
- return errno == ENOENT ? 0 : -errno;
-
- return 0;
- }
-
- mkdir_p_label("/etc/X11/xorg.conf.d", 0755);
-
- r = fopen_temporary("/etc/X11/xorg.conf.d/00-keyboard.conf", &f, &temp_path);
- if (r < 0)
- return r;
-
- fchmod(fileno(f), 0644);
-
- fputs("# Read and parsed by systemd-localed. It's probably wise not to edit this file\n"
- "# manually too freely.\n"
- "Section \"InputClass\"\n"
- " Identifier \"system-keyboard\"\n"
- " MatchIsKeyboard \"on\"\n", f);
-
- if (!isempty(c->x11_layout))
- fprintf(f, " Option \"XkbLayout\" \"%s\"\n", c->x11_layout);
-
- if (!isempty(c->x11_model))
- fprintf(f, " Option \"XkbModel\" \"%s\"\n", c->x11_model);
-
- if (!isempty(c->x11_variant))
- fprintf(f, " Option \"XkbVariant\" \"%s\"\n", c->x11_variant);
-
- if (!isempty(c->x11_options))
- fprintf(f, " Option \"XkbOptions\" \"%s\"\n", c->x11_options);
-
- fputs("EndSection\n", f);
- fflush(f);
-
- if (ferror(f) || rename(temp_path, "/etc/X11/xorg.conf.d/00-keyboard.conf") < 0) {
- r = -errno;
- unlink("/etc/X11/xorg.conf.d/00-keyboard.conf");
- unlink(temp_path);
- return r;
- } else
- return 0;
-}
-
-static int vconsole_reload(sd_bus *bus) {
- _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
- int r;
-
- assert(bus);
-
- r = sd_bus_call_method(bus,
- "org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- "org.freedesktop.systemd1.Manager",
- "RestartUnit",
- &error,
- NULL,
- "ss", "systemd-vconsole-setup.service", "replace");
-
- if (r < 0)
- log_error("Failed to issue method call: %s", bus_error_message(&error, -r));
- return r;
-}
-
-static const char* strnulldash(const char *s) {
- return isempty(s) || streq(s, "-") ? NULL : s;
-}
-
-static int read_next_mapping(const char* filename,
- unsigned min_fields, unsigned max_fields,
- FILE *f, unsigned *n, char ***a) {
- assert(f);
- assert(n);
- assert(a);
-
- for (;;) {
- char line[LINE_MAX];
- char *l, **b;
- int r;
- size_t length;
-
- errno = 0;
- if (!fgets(line, sizeof(line), f)) {
-
- if (ferror(f))
- return errno ? -errno : -EIO;
-
- return 0;
- }
-
- (*n) ++;
-
- l = strstrip(line);
- if (l[0] == 0 || l[0] == '#')
- continue;
-
- r = strv_split_quoted(&b, l, 0);
- if (r < 0)
- return r;
-
- length = strv_length(b);
- if (length < min_fields || length > max_fields) {
- log_error("Invalid line %s:%u, ignoring.", filename, *n);
- strv_free(b);
- continue;
-
- }
-
- *a = b;
- return 1;
- }
-}
-
-static int vconsole_convert_to_x11(Context *c, sd_bus *bus) {
- bool modified = false;
-
- assert(bus);
-
- if (isempty(c->vc_keymap)) {
-
- modified =
- !isempty(c->x11_layout) ||
- !isempty(c->x11_model) ||
- !isempty(c->x11_variant) ||
- !isempty(c->x11_options);
-
- context_free_x11(c);
- } else {
- _cleanup_fclose_ FILE *f = NULL;
- unsigned n = 0;
-
- f = fopen(SYSTEMD_KBD_MODEL_MAP, "re");
- if (!f)
- return -errno;
-
- for (;;) {
- _cleanup_strv_free_ char **a = NULL;
- int r;
-
- r = read_next_mapping(SYSTEMD_KBD_MODEL_MAP, 5, UINT_MAX, f, &n, &a);
- if (r < 0)
- return r;
- if (r == 0)
- break;
-
- if (!streq(c->vc_keymap, a[0]))
- continue;
-
- if (!streq_ptr(c->x11_layout, strnulldash(a[1])) ||
- !streq_ptr(c->x11_model, strnulldash(a[2])) ||
- !streq_ptr(c->x11_variant, strnulldash(a[3])) ||
- !streq_ptr(c->x11_options, strnulldash(a[4]))) {
-
- if (free_and_strdup(&c->x11_layout, strnulldash(a[1])) < 0 ||
- free_and_strdup(&c->x11_model, strnulldash(a[2])) < 0 ||
- free_and_strdup(&c->x11_variant, strnulldash(a[3])) < 0 ||
- free_and_strdup(&c->x11_options, strnulldash(a[4])) < 0)
- return -ENOMEM;
-
- modified = true;
- }
-
- break;
- }
- }
-
- if (modified) {
- int r;
-
- r = x11_write_data(c);
- if (r < 0)
- return log_error_errno(r, "Failed to set X11 keyboard layout: %m");
-
- log_info("Changed X11 keyboard layout to '%s' model '%s' variant '%s' options '%s'",
- strempty(c->x11_layout),
- strempty(c->x11_model),
- strempty(c->x11_variant),
- strempty(c->x11_options));
-
- sd_bus_emit_properties_changed(bus,
- "/org/freedesktop/locale1",
- "org.freedesktop.locale1",
- "X11Layout", "X11Model", "X11Variant", "X11Options", NULL);
- } else
- log_debug("X11 keyboard layout was not modified.");
-
- return 0;
-}
-
-static int find_converted_keymap(const char *x11_layout, const char *x11_variant, char **new_keymap) {
- const char *dir;
- _cleanup_free_ char *n;
-
- if (x11_variant)
- n = strjoin(x11_layout, "-", x11_variant, NULL);
- else
- n = strdup(x11_layout);
- if (!n)
- return -ENOMEM;
-
- NULSTR_FOREACH(dir, KBD_KEYMAP_DIRS) {
- _cleanup_free_ char *p = NULL, *pz = NULL;
- bool uncompressed;
-
- p = strjoin(dir, "xkb/", n, ".map", NULL);
- pz = strjoin(dir, "xkb/", n, ".map.gz", NULL);
- if (!p || !pz)
- return -ENOMEM;
-
- uncompressed = access(p, F_OK) == 0;
- if (uncompressed || access(pz, F_OK) == 0) {
- log_debug("Found converted keymap %s at %s",
- n, uncompressed ? p : pz);
-
- *new_keymap = n;
- n = NULL;
- return 1;
- }
- }
-
- return 0;
-}
-
-static int find_legacy_keymap(Context *c, char **new_keymap) {
- _cleanup_fclose_ FILE *f;
- unsigned n = 0;
- unsigned best_matching = 0;
- int r;
-
- f = fopen(SYSTEMD_KBD_MODEL_MAP, "re");
- if (!f)
- return -errno;
-
- for (;;) {
- _cleanup_strv_free_ char **a = NULL;
- unsigned matching = 0;
-
- r = read_next_mapping(SYSTEMD_KBD_MODEL_MAP, 5, UINT_MAX, f, &n, &a);
- if (r < 0)
- return r;
- if (r == 0)
- break;
-
- /* Determine how well matching this entry is */
- if (streq_ptr(c->x11_layout, a[1]))
- /* If we got an exact match, this is best */
- matching = 10;
- else {
- /* We have multiple X layouts, look for an
- * entry that matches our key with everything
- * but the first layout stripped off. */
- if (startswith_comma(c->x11_layout, a[1]))
- matching = 5;
- else {
- char *x;
-
- /* If that didn't work, strip off the
- * other layouts from the entry, too */
- x = strndupa(a[1], strcspn(a[1], ","));
- if (startswith_comma(c->x11_layout, x))
- matching = 1;
- }
- }
-
- if (matching > 0) {
- if (isempty(c->x11_model) || streq_ptr(c->x11_model, a[2])) {
- matching++;
-
- if (streq_ptr(c->x11_variant, a[3])) {
- matching++;
-
- if (streq_ptr(c->x11_options, a[4]))
- matching++;
- }
- }
- }
-
- /* The best matching entry so far, then let's save that */
- if (matching >= MAX(best_matching, 1u)) {
- log_debug("Found legacy keymap %s with score %u",
- a[0], matching);
-
- if (matching > best_matching) {
- best_matching = matching;
-
- r = free_and_strdup(new_keymap, a[0]);
- if (r < 0)
- return r;
- }
- }
- }
-
- if (best_matching < 10 && c->x11_layout) {
- /* The best match is only the first part of the X11
- * keymap. Check if we have a converted map which
- * matches just the first layout.
- */
- char *l, *v = NULL, *converted;
-
- l = strndupa(c->x11_layout, strcspn(c->x11_layout, ","));
- if (c->x11_variant)
- v = strndupa(c->x11_variant, strcspn(c->x11_variant, ","));
- r = find_converted_keymap(l, v, &converted);
- if (r < 0)
- return r;
- if (r > 0)
- free_and_replace(new_keymap, converted);
- }
-
- return 0;
-}
-
-static int find_language_fallback(const char *lang, char **language) {
- _cleanup_fclose_ FILE *f = NULL;
- unsigned n = 0;
-
- assert(language);
-
- f = fopen(SYSTEMD_LANGUAGE_FALLBACK_MAP, "re");
- if (!f)
- return -errno;
-
- for (;;) {
- _cleanup_strv_free_ char **a = NULL;
- int r;
-
- r = read_next_mapping(SYSTEMD_LANGUAGE_FALLBACK_MAP, 2, 2, f, &n, &a);
- if (r <= 0)
- return r;
-
- if (streq(lang, a[0])) {
- assert(strv_length(a) == 2);
- *language = a[1];
- a[1] = NULL;
- return 1;
- }
- }
-
- assert_not_reached("should not be here");
-}
-
-static int x11_convert_to_vconsole(Context *c, sd_bus *bus) {
- bool modified = false;
- int r;
-
- assert(bus);
-
- if (isempty(c->x11_layout)) {
-
- modified =
- !isempty(c->vc_keymap) ||
- !isempty(c->vc_keymap_toggle);
-
- context_free_x11(c);
- } else {
- char *new_keymap = NULL;
-
- r = find_converted_keymap(c->x11_layout, c->x11_variant, &new_keymap);
- if (r < 0)
- return r;
- else if (r == 0) {
- r = find_legacy_keymap(c, &new_keymap);
- if (r < 0)
- return r;
- }
-
- if (!streq_ptr(c->vc_keymap, new_keymap)) {
- free_and_replace(&c->vc_keymap, new_keymap);
- free_and_replace(&c->vc_keymap_toggle, NULL);
- modified = true;
- } else
- free(new_keymap);
- }
-
- if (modified) {
- r = vconsole_write_data(c);
- if (r < 0)
- log_error_errno(r, "Failed to set virtual console keymap: %m");
-
- log_info("Changed virtual console keymap to '%s' toggle '%s'",
- strempty(c->vc_keymap), strempty(c->vc_keymap_toggle));
-
- sd_bus_emit_properties_changed(bus,
- "/org/freedesktop/locale1",
- "org.freedesktop.locale1",
- "VConsoleKeymap", "VConsoleKeymapToggle", NULL);
-
- return vconsole_reload(bus);
- } else
- log_debug("Virtual console keymap was not modified.");
-
- return 0;
-}
-
-static int property_get_locale(
- sd_bus *bus,
- const char *path,
- const char *interface,
- const char *property,
- sd_bus_message *reply,
- void *userdata,
- sd_bus_error *error) {
-
- Context *c = userdata;
- _cleanup_strv_free_ char **l = NULL;
- int p, q;
-
- l = new0(char*, _LOCALE_MAX+1);
- if (!l)
- return -ENOMEM;
-
- for (p = 0, q = 0; p < _LOCALE_MAX; p++) {
- char *t;
-
- if (isempty(c->locale[p]))
- continue;
-
- if (asprintf(&t, "%s=%s", names[p], c->locale[p]) < 0)
- return -ENOMEM;
-
- l[q++] = t;
- }
-
- return sd_bus_message_append_strv(reply, l);
-}
-
-static int method_set_locale(sd_bus *bus, sd_bus_message *m, void *userdata, sd_bus_error *error) {
- Context *c = userdata;
- _cleanup_strv_free_ char **l = NULL;
- char **i;
- const char *lang = NULL;
- int interactive;
- bool modified = false;
- bool have[_LOCALE_MAX] = {};
- int p;
- int r;
-
- r = bus_message_read_strv_extend(m, &l);
- if (r < 0)
- return r;
-
- r = sd_bus_message_read_basic(m, 'b', &interactive);
- if (r < 0)
- return r;
-
- /* Check whether a variable changed and if it is valid */
- STRV_FOREACH(i, l) {
- bool valid = false;
-
- for (p = 0; p < _LOCALE_MAX; p++) {
- size_t k;
-
- k = strlen(names[p]);
- if (startswith(*i, names[p]) &&
- (*i)[k] == '=' &&
- locale_is_valid((*i) + k + 1)) {
- valid = true;
- have[p] = true;
-
- if (p == LOCALE_LANG)
- lang = (*i) + k + 1;
-
- if (!streq_ptr(*i + k + 1, c->locale[p]))
- modified = true;
-
- break;
- }
- }
-
- if (!valid)
- return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid Locale data.");
- }
-
- /* If LANG was specified, but not LANGUAGE, check if we should
- * set it based on the language fallback table. */
- if (have[LOCALE_LANG] && !have[LOCALE_LANGUAGE]) {
- _cleanup_free_ char *language = NULL;
-
- assert(lang);
-
- (void) find_language_fallback(lang, &language);
- if (language) {
- log_debug("Converted LANG=%s to LANGUAGE=%s", lang, language);
- if (!streq_ptr(language, c->locale[LOCALE_LANGUAGE])) {
- r = strv_extendf(&l, "LANGUAGE=%s", language);
- if (r < 0)
- return r;
-
- have[LOCALE_LANGUAGE] = true;
- modified = true;
- }
- }
- }
-
- /* Check whether a variable is unset */
- if (!modified)
- for (p = 0; p < _LOCALE_MAX; p++)
- if (!isempty(c->locale[p]) && !have[p]) {
- modified = true;
- break;
- }
-
- if (modified) {
- _cleanup_strv_free_ char **settings = NULL;
-
- r = bus_verify_polkit_async(
- m,
- CAP_SYS_ADMIN,
- "org.freedesktop.locale1.set-locale",
- interactive,
- UID_INVALID,
- &c->polkit_registry,
- error);
- if (r < 0)
- return r;
- if (r == 0)
- return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
-
- STRV_FOREACH(i, l)
- for (p = 0; p < _LOCALE_MAX; p++) {
- size_t k;
-
- k = strlen(names[p]);
- if (startswith(*i, names[p]) && (*i)[k] == '=') {
- r = free_and_strdup(&c->locale[p], *i + k + 1);
- if (r < 0)
- return r;
- break;
- }
- }
-
- for (p = 0; p < _LOCALE_MAX; p++) {
- if (have[p])
- continue;
-
- free_and_replace(&c->locale[p], NULL);
- }
-
- locale_simplify(c);
-
- r = locale_write_data(c, &settings);
- if (r < 0) {
- log_error_errno(r, "Failed to set locale: %m");
- return sd_bus_error_set_errnof(error, r, "Failed to set locale: %s", strerror(-r));
- }
-
- locale_update_system_manager(c, bus);
-
- if (settings) {
- _cleanup_free_ char *line;
-
- line = strv_join(settings, ", ");
- log_info("Changed locale to %s.", strnull(line));
- } else
- log_info("Changed locale to unset.");
-
- sd_bus_emit_properties_changed(bus,
- "/org/freedesktop/locale1",
- "org.freedesktop.locale1",
- "Locale", NULL);
- } else
- log_debug("Locale settings were not modified.");
-
-
- return sd_bus_reply_method_return(m, NULL);
-}
-
-static int method_set_vc_keyboard(sd_bus *bus, sd_bus_message *m, void *userdata, sd_bus_error *error) {
- Context *c = userdata;
- const char *keymap, *keymap_toggle;
- int convert, interactive;
- int r;
-
- r = sd_bus_message_read(m, "ssbb", &keymap, &keymap_toggle, &convert, &interactive);
- if (r < 0)
- return r;
-
- if (isempty(keymap))
- keymap = NULL;
-
- if (isempty(keymap_toggle))
- keymap_toggle = NULL;
-
- if (!streq_ptr(keymap, c->vc_keymap) ||
- !streq_ptr(keymap_toggle, c->vc_keymap_toggle)) {
-
- if ((keymap && (!filename_is_valid(keymap) || !string_is_safe(keymap))) ||
- (keymap_toggle && (!filename_is_valid(keymap_toggle) || !string_is_safe(keymap_toggle))))
- return sd_bus_error_set_errnof(error, -EINVAL, "Received invalid keymap data");
-
- r = bus_verify_polkit_async(
- m,
- CAP_SYS_ADMIN,
- "org.freedesktop.locale1.set-keyboard",
- interactive,
- UID_INVALID,
- &c->polkit_registry,
- error);
- if (r < 0)
- return r;
- if (r == 0)
- return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
-
- if (free_and_strdup(&c->vc_keymap, keymap) < 0 ||
- free_and_strdup(&c->vc_keymap_toggle, keymap_toggle) < 0)
- return -ENOMEM;
-
- r = vconsole_write_data(c);
- if (r < 0) {
- log_error_errno(r, "Failed to set virtual console keymap: %m");
- return sd_bus_error_set_errnof(error, r, "Failed to set virtual console keymap: %s", strerror(-r));
- }
-
- log_info("Changed virtual console keymap to '%s' toggle '%s'",
- strempty(c->vc_keymap), strempty(c->vc_keymap_toggle));
-
- r = vconsole_reload(bus);
- if (r < 0)
- log_error_errno(r, "Failed to request keymap reload: %m");
-
- sd_bus_emit_properties_changed(bus,
- "/org/freedesktop/locale1",
- "org.freedesktop.locale1",
- "VConsoleKeymap", "VConsoleKeymapToggle", NULL);
-
- if (convert) {
- r = vconsole_convert_to_x11(c, bus);
- if (r < 0)
- log_error_errno(r, "Failed to convert keymap data: %m");
- }
- }
-
- return sd_bus_reply_method_return(m, NULL);
-}
-
-#ifdef HAVE_XKBCOMMON
-static void log_xkb(struct xkb_context *ctx, enum xkb_log_level lvl, const char *format, va_list args) {
- const char *fmt;
-
- fmt = strjoina("libxkbcommon: ", format);
- log_internalv(LOG_DEBUG, 0, __FILE__, __LINE__, __func__, fmt, args);
-}
-
-static int verify_xkb_rmlvo(const char *model, const char *layout, const char *variant, const char *options) {
- const struct xkb_rule_names rmlvo = {
- .model = model,
- .layout = layout,
- .variant = variant,
- .options = options,
- };
- struct xkb_context *ctx = NULL;
- struct xkb_keymap *km = NULL;
- int r;
-
- /* compile keymap from RMLVO information to check out its validity */
-
- ctx = xkb_context_new(XKB_CONTEXT_NO_ENVIRONMENT_NAMES);
- if (!ctx) {
- r = -ENOMEM;
- goto exit;
- }
-
- xkb_context_set_log_fn(ctx, log_xkb);
-
- km = xkb_keymap_new_from_names(ctx, &rmlvo, XKB_KEYMAP_COMPILE_NO_FLAGS);
- if (!km) {
- r = -EINVAL;
- goto exit;
- }
-
- r = 0;
-
-exit:
- xkb_keymap_unref(km);
- xkb_context_unref(ctx);
- return r;
-}
-#else
-static int verify_xkb_rmlvo(const char *model, const char *layout, const char *variant, const char *options) {
- return 0;
-}
-#endif
-
-static int method_set_x11_keyboard(sd_bus *bus, sd_bus_message *m, void *userdata, sd_bus_error *error) {
- Context *c = userdata;
- const char *layout, *model, *variant, *options;
- int convert, interactive;
- int r;
-
- r = sd_bus_message_read(m, "ssssbb", &layout, &model, &variant, &options, &convert, &interactive);
- if (r < 0)
- return r;
-
- if (isempty(layout))
- layout = NULL;
-
- if (isempty(model))
- model = NULL;
-
- if (isempty(variant))
- variant = NULL;
-
- if (isempty(options))
- options = NULL;
-
- if (!streq_ptr(layout, c->x11_layout) ||
- !streq_ptr(model, c->x11_model) ||
- !streq_ptr(variant, c->x11_variant) ||
- !streq_ptr(options, c->x11_options)) {
-
- if ((layout && !string_is_safe(layout)) ||
- (model && !string_is_safe(model)) ||
- (variant && !string_is_safe(variant)) ||
- (options && !string_is_safe(options)))
- return sd_bus_error_set_errnof(error, -EINVAL, "Received invalid keyboard data");
-
- r = bus_verify_polkit_async(
- m,
- CAP_SYS_ADMIN,
- "org.freedesktop.locale1.set-keyboard",
- interactive,
- UID_INVALID,
- &c->polkit_registry,
- error);
- if (r < 0)
- return r;
- if (r == 0)
- return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
-
- r = verify_xkb_rmlvo(model, layout, variant, options);
- if (r < 0) {
- log_error_errno(r, "Cannot compile XKB keymap for new x11 keyboard layout ('%s' / '%s' / '%s' / '%s'): %m",
- strempty(model), strempty(layout), strempty(variant), strempty(options));
- return sd_bus_error_set(error, SD_BUS_ERROR_INVALID_ARGS, "Cannot compile XKB keymap, refusing");
- }
-
- if (free_and_strdup(&c->x11_layout, layout) < 0 ||
- free_and_strdup(&c->x11_model, model) < 0 ||
- free_and_strdup(&c->x11_variant, variant) < 0 ||
- free_and_strdup(&c->x11_options, options) < 0)
- return -ENOMEM;
-
- r = x11_write_data(c);
- if (r < 0) {
- log_error_errno(r, "Failed to set X11 keyboard layout: %m");
- return sd_bus_error_set_errnof(error, r, "Failed to set X11 keyboard layout: %s", strerror(-r));
- }
-
- log_info("Changed X11 keyboard layout to '%s' model '%s' variant '%s' options '%s'",
- strempty(c->x11_layout),
- strempty(c->x11_model),
- strempty(c->x11_variant),
- strempty(c->x11_options));
-
- sd_bus_emit_properties_changed(bus,
- "/org/freedesktop/locale1",
- "org.freedesktop.locale1",
- "X11Layout", "X11Model", "X11Variant", "X11Options", NULL);
-
- if (convert) {
- r = x11_convert_to_vconsole(c, bus);
- if (r < 0)
- log_error_errno(r, "Failed to convert keymap data: %m");
- }
- }
-
- return sd_bus_reply_method_return(m, NULL);
-}
-
-static const sd_bus_vtable locale_vtable[] = {
- SD_BUS_VTABLE_START(0),
- SD_BUS_PROPERTY("Locale", "as", property_get_locale, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
- SD_BUS_PROPERTY("X11Layout", "s", NULL, offsetof(Context, x11_layout), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
- SD_BUS_PROPERTY("X11Model", "s", NULL, offsetof(Context, x11_model), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
- SD_BUS_PROPERTY("X11Variant", "s", NULL, offsetof(Context, x11_variant), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
- SD_BUS_PROPERTY("X11Options", "s", NULL, offsetof(Context, x11_options), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
- SD_BUS_PROPERTY("VConsoleKeymap", "s", NULL, offsetof(Context, vc_keymap), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
- SD_BUS_PROPERTY("VConsoleKeymapToggle", "s", NULL, offsetof(Context, vc_keymap_toggle), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
- SD_BUS_METHOD("SetLocale", "asb", NULL, method_set_locale, SD_BUS_VTABLE_UNPRIVILEGED),
- SD_BUS_METHOD("SetVConsoleKeyboard", "ssbb", NULL, method_set_vc_keyboard, SD_BUS_VTABLE_UNPRIVILEGED),
- SD_BUS_METHOD("SetX11Keyboard", "ssssbb", NULL, method_set_x11_keyboard, SD_BUS_VTABLE_UNPRIVILEGED),
- SD_BUS_VTABLE_END
-};
-
-static int connect_bus(Context *c, sd_event *event, sd_bus **_bus) {
- _cleanup_bus_close_unref_ sd_bus *bus = NULL;
- int r;
-
- assert(c);
- assert(event);
- assert(_bus);
-
- r = sd_bus_default_system(&bus);
- if (r < 0)
- return log_error_errno(r, "Failed to get system bus connection: %m");
-
- r = sd_bus_add_object_vtable(bus, NULL, "/org/freedesktop/locale1", "org.freedesktop.locale1", locale_vtable, c);
- if (r < 0)
- return log_error_errno(r, "Failed to register object: %m");
-
- r = sd_bus_request_name(bus, "org.freedesktop.locale1", 0);
- if (r < 0)
- return log_error_errno(r, "Failed to register name: %m");
-
- r = sd_bus_attach_event(bus, event, 0);
- if (r < 0)
- return log_error_errno(r, "Failed to attach bus to event loop: %m");
-
- *_bus = bus;
- bus = NULL;
-
- return 0;
-}
-
-int main(int argc, char *argv[]) {
- _cleanup_(context_free) Context context = {};
- _cleanup_event_unref_ sd_event *event = NULL;
- _cleanup_bus_close_unref_ sd_bus *bus = NULL;
- int r;
-
- log_set_target(LOG_TARGET_AUTO);
- log_parse_environment();
- log_open();
-
- umask(0022);
- mac_selinux_init("/etc");
-
- if (argc != 1) {
- log_error("This program takes no arguments.");
- r = -EINVAL;
- goto finish;
- }
-
- r = sd_event_default(&event);
- if (r < 0) {
- log_error_errno(r, "Failed to allocate event loop: %m");
- goto finish;
- }
-
- sd_event_set_watchdog(event, true);
-
- r = connect_bus(&context, event, &bus);
- if (r < 0)
- goto finish;
-
- r = context_read_data(&context);
- if (r < 0) {
- log_error_errno(r, "Failed to read locale data: %m");
- goto finish;
- }
-
- r = bus_event_loop_with_idle(event, bus, "org.freedesktop.locale1", DEFAULT_EXIT_USEC, NULL, NULL);
- if (r < 0) {
- log_error_errno(r, "Failed to run event loop: %m");
- goto finish;
- }
-
-finish:
- return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
-}
~ianmdlvl / elogind.git / commitdiff