+static int write_data_vconsole(void) {
+ int r;
+ char **l = NULL;
+
+ r = load_env_file("/etc/vconsole.conf", &l);
+ if (r < 0 && r != -ENOENT)
+ return r;
+
+ if (isempty(vc_keymap))
+ l = strv_env_unset(l, "KEYMAP");
+ else {
+ char *s, **u;
+
+ s = strappend("KEYMAP=", vc_keymap);
+ if (!s) {
+ strv_free(l);
+ return -ENOMEM;
+ }
+
+ u = strv_env_set(l, s);
+ free(s);
+ strv_free(l);
+
+ if (!u)
+ return -ENOMEM;
+
+ l = u;
+ }
+
+ if (isempty(vc_keymap_toggle))
+ l = strv_env_unset(l, "KEYMAP_TOGGLE");
+ else {
+ char *s, **u;
+
+ s = strappend("KEYMAP_TOGGLE=", vc_keymap_toggle);
+ if (!s) {
+ strv_free(l);
+ return -ENOMEM;
+ }
+
+ u = strv_env_set(l, s);
+ free(s);
+ strv_free(l);
+
+ if (!u)
+ return -ENOMEM;
+
+ l = u;
+ }
+
+ if (strv_isempty(l)) {
+ strv_free(l);
+
+ if (unlink("/etc/vconsole.conf") < 0)
+ return errno == ENOENT ? 0 : -errno;
+
+ return 0;
+ }
+
+ r = write_env_file("/etc/vconsole.conf", l);
+ strv_free(l);
+
+ return r;
+}
+
+static int write_data_x11(void) {
+ FILE *f;
+ char *temp_path;
+ int r;
+
+ if (isempty(x11_layout) &&
+ isempty(x11_model) &&
+ isempty(x11_variant) &&
+ isempty(x11_options)) {
+
+#ifdef TARGET_FEDORA
+ unlink("/etc/X11/xorg.conf.d/00-system-setup-keyboard.conf");
+
+ /* Symlink this to /dev/null, so that s-s-k (if it is
+ * still running) doesn't recreate this. */
+ symlink("/dev/null", "/etc/X11/xorg.conf.d/00-system-setup-keyboard.conf");
+#endif
+
+ if (unlink("/etc/X11/xorg.conf.d/00-keyboard.conf") < 0)
+ return errno == ENOENT ? 0 : -errno;
+
+ return 0;
+ }
+
+ mkdir_parents("/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(x11_layout))
+ fprintf(f, " Option \"XkbLayout\" \"%s\"\n", x11_layout);
+
+ if (!isempty(x11_model))
+ fprintf(f, " Option \"XkbModel\" \"%s\"\n", x11_model);
+
+ if (!isempty(x11_variant))
+ fprintf(f, " Option \"XkbVariant\" \"%s\"\n", x11_variant);
+
+ if (!isempty(x11_options))
+ fprintf(f, " Option \"XkbOptions\" \"%s\"\n", 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);
+ } else {
+
+#ifdef TARGET_FEDORA
+ unlink("/etc/X11/xorg.conf.d/00-system-setup-keyboard.conf");
+
+ /* Symlink this to /dev/null, so that s-s-k (if it is
+ * still running) doesn't recreate this. */
+ symlink("/dev/null", "/etc/X11/xorg.conf.d/00-system-setup-keyboard.conf");
+#endif
+
+ r = 0;
+ }
+
+ fclose(f);
+ free(temp_path);
+
+ return r;
+}
+
+static int load_vconsole_keymap(DBusConnection *bus, DBusError *error) {
+ DBusMessage *m = NULL, *reply = NULL;
+ const char *name = "systemd-vconsole-setup.service", *mode = "replace";
+ int r;
+ DBusError _error;
+
+ assert(bus);
+
+ if (!error) {
+ dbus_error_init(&_error);
+ error = &_error;
+ }
+
+ m = dbus_message_new_method_call(
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "RestartUnit");
+ if (!m) {
+ log_error("Could not allocate message.");
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ if (!dbus_message_append_args(m,
+ DBUS_TYPE_STRING, &name,
+ DBUS_TYPE_STRING, &mode,
+ DBUS_TYPE_INVALID)) {
+ log_error("Could not append arguments to message.");
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ reply = dbus_connection_send_with_reply_and_block(bus, m, -1, error);
+ if (!reply) {
+ log_error("Failed to issue method call: %s", bus_error_message(error));
+ r = -EIO;
+ goto finish;
+ }
+
+ r = 0;
+
+finish:
+ if (m)
+ dbus_message_unref(m);
+
+ if (reply)
+ dbus_message_unref(reply);
+
+ if (error == &_error)
+ dbus_error_free(error);
+
+ return r;
+}
+
+static char *strnulldash(const char *s) {
+ return s == NULL || *s == 0 || (s[0] == '-' && s[1] == 0) ? NULL : (char*) s;
+}
+
+static int read_next_mapping(FILE *f, unsigned *n, char ***a) {
+ assert(f);
+ assert(n);
+ assert(a);
+
+ for (;;) {
+ char line[LINE_MAX];
+ char *l, **b;
+
+ 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;
+
+ b = strv_split_quoted(l);
+ if (!b)
+ return -ENOMEM;
+
+ if (strv_length(b) < 5) {
+ log_error("Invalid line "SYSTEMD_KBD_MODEL_MAP":%u, ignoring.", *n);
+ strv_free(b);
+ continue;
+
+ }
+
+ *a = b;
+ return 1;
+ }
+}
+
+static int convert_vconsole_to_x11(DBusConnection *connection) {
+ bool modified = false;
+
+ assert(connection);
+
+ if (isempty(vc_keymap)) {
+
+ modified =
+ !isempty(x11_layout) ||
+ !isempty(x11_model) ||
+ !isempty(x11_variant) ||
+ !isempty(x11_options);
+
+ free_data_x11();
+ } else {
+ FILE *f;
+ unsigned n = 0;
+
+ f = fopen(SYSTEMD_KBD_MODEL_MAP, "re");
+ if (!f)
+ return -errno;
+
+ for (;;) {
+ char **a;
+ int r;
+
+ r = read_next_mapping(f, &n, &a);
+ if (r < 0) {
+ fclose(f);
+ return r;
+ }
+
+ if (r == 0)
+ break;
+
+ if (!streq(vc_keymap, a[0])) {
+ strv_free(a);
+ continue;
+ }
+
+ if (!streq_ptr(x11_layout, strnulldash(a[1])) ||
+ !streq_ptr(x11_model, strnulldash(a[2])) ||
+ !streq_ptr(x11_variant, strnulldash(a[3])) ||
+ !streq_ptr(x11_options, strnulldash(a[4]))) {
+
+ if (free_and_set(&x11_layout, strnulldash(a[1])) < 0 ||
+ free_and_set(&x11_model, strnulldash(a[2])) < 0 ||
+ free_and_set(&x11_variant, strnulldash(a[3])) < 0 ||
+ free_and_set(&x11_options, strnulldash(a[4])) < 0) {
+ strv_free(a);
+ fclose(f);
+ return -ENOMEM;
+ }
+
+ modified = true;
+ }
+
+ strv_free(a);
+ break;
+ }
+
+ fclose(f);
+ }
+
+ if (modified) {
+ dbus_bool_t b;
+ DBusMessage *changed;
+ int r;
+
+ r = write_data_x11();
+ if (r < 0)
+ log_error("Failed to set X11 keyboard layout: %s", strerror(-r));
+
+ changed = bus_properties_changed_new(
+ "/org/freedesktop/locale1",
+ "org.freedesktop.locale1",
+ "X11Layout\0"
+ "X11Model\0"
+ "X11Variant\0"
+ "X11Options\0");
+
+ if (!changed)
+ return -ENOMEM;
+
+ b = dbus_connection_send(connection, changed, NULL);
+ dbus_message_unref(changed);
+
+ if (!b)
+ return -ENOMEM;
+ }
+
+ return 0;
+}
+
+static int convert_x11_to_vconsole(DBusConnection *connection) {
+ bool modified = false;
+
+ assert(connection);
+
+ if (isempty(x11_layout)) {
+
+ modified =
+ !isempty(vc_keymap) ||
+ !isempty(vc_keymap_toggle);
+
+ free_data_x11();
+ } else {
+ FILE *f;
+ unsigned n = 0;
+ unsigned best_matching = 0;
+ char *new_keymap = NULL;
+
+ f = fopen(SYSTEMD_KBD_MODEL_MAP, "re");
+ if (!f)
+ return -errno;
+
+ for (;;) {
+ char **a;
+ unsigned matching = 0;
+ int r;
+
+ r = read_next_mapping(f, &n, &a);
+ if (r < 0) {
+ fclose(f);
+ return r;
+ }
+
+ if (r == 0)
+ break;
+
+ /* Determine how well matching this entry is */
+ if (streq_ptr(x11_layout, a[1]))
+ /* If we got an exact match, this is best */
+ matching = 10;
+ else {
+ size_t x;
+
+ x = strcspn(x11_layout, ",");
+
+ /* We have multiple X layouts, look
+ * for an entry that matches our key
+ * with the everything but the first
+ * layout stripped off. */
+ if (x > 0 &&
+ strlen(a[1]) == x &&
+ strncmp(x11_layout, a[1], x) == 0)
+ matching = 5;
+ else {
+ size_t w;
+
+ /* If that didn't work, strip
+ * off the other layouts from
+ * the entry, too */
+
+ w = strcspn(a[1], ",");
+
+ if (x > 0 && x == w &&
+ memcmp(x11_layout, a[1], x) == 0)
+ matching = 1;
+ }
+ }
+
+ if (matching > 0 &&
+ streq_ptr(x11_model, a[2])) {
+ matching++;
+
+ if (streq_ptr(x11_variant, a[3])) {
+ matching++;
+
+ if (streq_ptr(x11_options, a[4]))
+ matching++;
+ }
+ }
+
+ /* The best matching entry so far, then let's
+ * save that */
+ if (matching > best_matching) {
+ best_matching = matching;
+
+ free(new_keymap);
+ new_keymap = strdup(a[0]);
+
+ if (!new_keymap) {
+ strv_free(a);
+ fclose(f);
+ return -ENOMEM;
+ }
+ }
+
+ strv_free(a);
+ }
+
+ fclose(f);
+
+ if (!streq_ptr(vc_keymap, new_keymap)) {
+ free(vc_keymap);
+ vc_keymap = new_keymap;
+
+ free(vc_keymap_toggle);
+ vc_keymap_toggle = NULL;
+
+ modified = true;
+ } else
+ free(new_keymap);
+ }
+
+ if (modified) {
+ dbus_bool_t b;
+ DBusMessage *changed;
+ int r;
+
+ r = write_data_vconsole();
+ if (r < 0)
+ log_error("Failed to set virtual console keymap: %s", strerror(-r));
+
+ changed = bus_properties_changed_new(
+ "/org/freedesktop/locale1",
+ "org.freedesktop.locale1",
+ "VConsoleKeymap\0"
+ "VConsoleKeymapToggle\0");
+
+ if (!changed)
+ return -ENOMEM;
+
+ b = dbus_connection_send(connection, changed, NULL);
+ dbus_message_unref(changed);
+
+ if (!b)
+ return -ENOMEM;
+
+ return load_vconsole_keymap(connection, NULL);
+ }
+
+ return 0;
+}
+