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-rw-r--r--src/grp-locale/localed.c1389
1 files changed, 1389 insertions, 0 deletions
diff --git a/src/grp-locale/localed.c b/src/grp-locale/localed.c
new file mode 100644
index 0000000000..7b4cbadfd0
--- /dev/null
+++ b/src/grp-locale/localed.c
@@ -0,0 +1,1389 @@
+/***
+ 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>
+
+#ifdef HAVE_XKBCOMMON
+#include <xkbcommon/xkbcommon.h>
+#include <dlfcn.h>
+#endif
+
+#include <systemd/sd-bus.h>
+
+#include "alloc-util.h"
+#include "bus-error.h"
+#include "bus-message.h"
+#include "bus-util.h"
+#include "def.h"
+#include "env-util.h"
+#include "fd-util.h"
+#include "fileio-label.h"
+#include "fileio.h"
+#include "locale-util.h"
+#include "mkdir.h"
+#include "path-util.h"
+#include "selinux-util.h"
+#include "strv.h"
+#include "user-util.h"
+#include "util.h"
+
+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 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) {
+ c->x11_layout = mfree(c->x11_layout);
+ c->x11_options = mfree(c->x11_options);
+ c->x11_model = mfree(c->x11_model);
+ c->x11_variant = mfree(c->x11_variant);
+}
+
+static void context_free_vconsole(Context *c) {
+ c->vc_keymap = mfree(c->vc_keymap);
+ c->vc_keymap_toggle = mfree(c->vc_keymap_toggle);
+}
+
+static void context_free_locale(Context *c) {
+ int p;
+
+ for (p = 0; p < _LOCALE_MAX; p++)
+ c->locale[p] = mfree(c->locale[p]);
+}
+
+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]))
+ c->locale[p] = mfree(c->locale[p]);
+}
+
+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_extract(&a, l, WHITESPACE, EXTRACT_QUOTES);
+ if (r < 0)
+ return r;
+
+ if (strv_length(a) == 3) {
+ char **p = NULL;
+
+ if (streq(a[1], "XkbLayout"))
+ p = &c->x11_layout;
+ else if (streq(a[1], "XkbModel"))
+ p = &c->x11_model;
+ else if (streq(a[1], "XkbVariant"))
+ p = &c->x11_variant;
+ else if (streq(a[1], "XkbOptions"))
+ p = &c->x11_options;
+
+ if (p) {
+ free(*p);
+ *p = a[2];
+ a[2] = NULL;
+ }
+ }
+
+ } else if (!in_section && first_word(l, "Section")) {
+ _cleanup_strv_free_ char **a = NULL;
+
+ r = strv_split_extract(&a, l, WHITESPACE, EXTRACT_QUOTES);
+ 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_(sd_bus_message_unrefp) 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);
+
+ r = fflush_and_check(f);
+ if (r < 0)
+ goto fail;
+
+ if (rename(temp_path, "/etc/X11/xorg.conf.d/00-keyboard.conf") < 0) {
+ r = -errno;
+ goto fail;
+ }
+
+ return 0;
+
+fail:
+ (void) unlink("/etc/X11/xorg.conf.d/00-keyboard.conf");
+
+ if (temp_path)
+ (void) unlink(temp_path);
+
+ return r;
+}
+
+static int vconsole_reload(sd_bus *bus) {
+ _cleanup_(sd_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 > 0 ? -errno : -EIO;
+
+ return 0;
+ }
+
+ (*n)++;
+
+ l = strstrip(line);
+ if (l[0] == 0 || l[0] == '#')
+ continue;
+
+ r = strv_split_extract(&b, l, WHITESPACE, EXTRACT_QUOTES);
+ 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(*new_keymap);
+ *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(c->vc_keymap);
+ c->vc_keymap = new_keymap;
+ c->vc_keymap_toggle = mfree(c->vc_keymap_toggle);
+ 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_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;
+
+ assert(m);
+ assert(c);
+
+ 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",
+ NULL,
+ 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;
+
+ c->locale[p] = mfree(c->locale[p]);
+ }
+
+ 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, sd_bus_message_get_bus(m));
+
+ 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.");
+
+ (void) sd_bus_emit_properties_changed(
+ sd_bus_message_get_bus(m),
+ "/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_message *m, void *userdata, sd_bus_error *error) {
+ Context *c = userdata;
+ const char *keymap, *keymap_toggle;
+ int convert, interactive;
+ int r;
+
+ assert(m);
+ assert(c);
+
+ 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",
+ NULL,
+ 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(sd_bus_message_get_bus(m));
+ if (r < 0)
+ log_error_errno(r, "Failed to request keymap reload: %m");
+
+ (void) sd_bus_emit_properties_changed(
+ sd_bus_message_get_bus(m),
+ "/org/freedesktop/locale1",
+ "org.freedesktop.locale1",
+ "VConsoleKeymap", "VConsoleKeymapToggle", NULL);
+
+ if (convert) {
+ r = vconsole_convert_to_x11(c, sd_bus_message_get_bus(m));
+ if (r < 0)
+ log_error_errno(r, "Failed to convert keymap data: %m");
+ }
+ }
+
+ return sd_bus_reply_method_return(m, NULL);
+}
+
+#ifdef HAVE_XKBCOMMON
+
+_printf_(3, 0)
+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);
+}
+
+#define LOAD_SYMBOL(symbol, dl, name) \
+ ({ \
+ (symbol) = (typeof(symbol)) dlvsym((dl), (name), "V_0.5.0"); \
+ (symbol) ? 0 : -EOPNOTSUPP; \
+ })
+
+static int verify_xkb_rmlvo(const char *model, const char *layout, const char *variant, const char *options) {
+
+ /* We dlopen() the library in order to make the dependency soft. The library (and what it pulls in) is huge
+ * after all, hence let's support XKB maps when the library is around, and refuse otherwise. The function
+ * pointers to the shared library are below: */
+
+ struct xkb_context* (*symbol_xkb_context_new)(enum xkb_context_flags flags) = NULL;
+ void (*symbol_xkb_context_unref)(struct xkb_context *context) = NULL;
+ void (*symbol_xkb_context_set_log_fn)(struct xkb_context *context, void (*log_fn)(struct xkb_context *context, enum xkb_log_level level, const char *format, va_list args)) = NULL;
+ struct xkb_keymap* (*symbol_xkb_keymap_new_from_names)(struct xkb_context *context, const struct xkb_rule_names *names, enum xkb_keymap_compile_flags flags) = NULL;
+ void (*symbol_xkb_keymap_unref)(struct xkb_keymap *keymap) = NULL;
+
+ const struct xkb_rule_names rmlvo = {
+ .model = model,
+ .layout = layout,
+ .variant = variant,
+ .options = options,
+ };
+ struct xkb_context *ctx = NULL;
+ struct xkb_keymap *km = NULL;
+ void *dl;
+ int r;
+
+ /* Compile keymap from RMLVO information to check out its validity */
+
+ dl = dlopen("libxkbcommon.so.0", RTLD_LAZY);
+ if (!dl)
+ return -EOPNOTSUPP;
+
+ r = LOAD_SYMBOL(symbol_xkb_context_new, dl, "xkb_context_new");
+ if (r < 0)
+ goto finish;
+
+ r = LOAD_SYMBOL(symbol_xkb_context_unref, dl, "xkb_context_unref");
+ if (r < 0)
+ goto finish;
+
+ r = LOAD_SYMBOL(symbol_xkb_context_set_log_fn, dl, "xkb_context_set_log_fn");
+ if (r < 0)
+ goto finish;
+
+ r = LOAD_SYMBOL(symbol_xkb_keymap_new_from_names, dl, "xkb_keymap_new_from_names");
+ if (r < 0)
+ goto finish;
+
+ r = LOAD_SYMBOL(symbol_xkb_keymap_unref, dl, "xkb_keymap_unref");
+ if (r < 0)
+ goto finish;
+
+ ctx = symbol_xkb_context_new(XKB_CONTEXT_NO_ENVIRONMENT_NAMES);
+ if (!ctx) {
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ symbol_xkb_context_set_log_fn(ctx, log_xkb);
+
+ km = symbol_xkb_keymap_new_from_names(ctx, &rmlvo, XKB_KEYMAP_COMPILE_NO_FLAGS);
+ if (!km) {
+ r = -EINVAL;
+ goto finish;
+ }
+
+ r = 0;
+
+finish:
+ if (symbol_xkb_keymap_unref && km)
+ symbol_xkb_keymap_unref(km);
+
+ if (symbol_xkb_context_unref && ctx)
+ symbol_xkb_context_unref(ctx);
+
+ (void) dlclose(dl);
+ 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_message *m, void *userdata, sd_bus_error *error) {
+ Context *c = userdata;
+ const char *layout, *model, *variant, *options;
+ int convert, interactive;
+ int r;
+
+ assert(m);
+ assert(c);
+
+ 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",
+ NULL,
+ 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));
+
+ if (r == -EOPNOTSUPP)
+ return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Local keyboard configuration not supported on this system.");
+
+ return sd_bus_error_set(error, SD_BUS_ERROR_INVALID_ARGS, "Specified keymap cannot be compiled, refusing as invalid.");
+ }
+
+ 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));
+
+ (void) sd_bus_emit_properties_changed(
+ sd_bus_message_get_bus(m),
+ "/org/freedesktop/locale1",
+ "org.freedesktop.locale1",
+ "X11Layout", "X11Model", "X11Variant", "X11Options", NULL);
+
+ if (convert) {
+ r = x11_convert_to_vconsole(c, sd_bus_message_get_bus(m));
+ 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_(sd_bus_flush_close_unrefp) 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_(sd_event_unrefp) sd_event *event = NULL;
+ _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
+ int r;
+
+ log_set_target(LOG_TARGET_AUTO);
+ log_parse_environment();
+ log_open();
+
+ umask(0022);
+ mac_selinux_init();
+
+ 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;
+}
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-13 00:24:19 +0000