/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ /*** This file is part of systemd. Copyright 2011 Lennart Poettering 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 <dbus/dbus.h> #include <errno.h> #include <string.h> #include <unistd.h> #include "util.h" #include "mkdir.h" #include "strv.h" #include "dbus-common.h" #include "polkit.h" #include "def.h" #define INTERFACE \ " <interface name=\"org.freedesktop.locale1\">\n" \ " <property name=\"Locale\" type=\"as\" access=\"read\"/>\n" \ " <property name=\"VConsoleKeymap\" type=\"s\" access=\"read\"/>\n" \ " <property name=\"VConsoleKeymapToggle\" type=\"s\" access=\"read\"/>\n" \ " <property name=\"X11Layout\" type=\"s\" access=\"read\"/>\n" \ " <property name=\"X11Model\" type=\"s\" access=\"read\"/>\n" \ " <property name=\"X11Variant\" type=\"s\" access=\"read\"/>\n" \ " <property name=\"X11Options\" type=\"s\" access=\"read\"/>\n" \ " <method name=\"SetLocale\">\n" \ " <arg name=\"locale\" type=\"as\" direction=\"in\"/>\n" \ " <arg name=\"user_interaction\" type=\"b\" direction=\"in\"/>\n" \ " </method>\n" \ " <method name=\"SetVConsoleKeyboard\">\n" \ " <arg name=\"keymap\" type=\"s\" direction=\"in\"/>\n" \ " <arg name=\"keymap_toggle\" type=\"s\" direction=\"in\"/>\n" \ " <arg name=\"convert\" type=\"b\" direction=\"in\"/>\n" \ " <arg name=\"user_interaction\" type=\"b\" direction=\"in\"/>\n" \ " </method>\n" \ " <method name=\"SetX11Keyboard\">\n" \ " <arg name=\"layout\" type=\"s\" direction=\"in\"/>\n" \ " <arg name=\"model\" type=\"s\" direction=\"in\"/>\n" \ " <arg name=\"variant\" type=\"s\" direction=\"in\"/>\n" \ " <arg name=\"options\" type=\"s\" direction=\"in\"/>\n" \ " <arg name=\"convert\" type=\"b\" direction=\"in\"/>\n" \ " <arg name=\"user_interaction\" type=\"b\" direction=\"in\"/>\n" \ " </method>\n" \ " </interface>\n" #define INTROSPECTION \ DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE \ "<node>\n" \ INTERFACE \ BUS_PROPERTIES_INTERFACE \ BUS_INTROSPECTABLE_INTERFACE \ BUS_PEER_INTERFACE \ "</node>\n" #define INTERFACES_LIST \ BUS_GENERIC_INTERFACES_LIST \ "org.freedesktop.locale1\0" const char locale_interface[] _introspect_("locale1") = INTERFACE; enum { /* We don't list LC_ALL here on purpose. People should be * using LANG instead. */ PROP_LANG, PROP_LANGUAGE, PROP_LC_CTYPE, PROP_LC_NUMERIC, PROP_LC_TIME, PROP_LC_COLLATE, PROP_LC_MONETARY, PROP_LC_MESSAGES, PROP_LC_PAPER, PROP_LC_NAME, PROP_LC_ADDRESS, PROP_LC_TELEPHONE, PROP_LC_MEASUREMENT, PROP_LC_IDENTIFICATION, _PROP_MAX }; static const char * const names[_PROP_MAX] = { [PROP_LANG] = "LANG", [PROP_LANGUAGE] = "LANGUAGE", [PROP_LC_CTYPE] = "LC_CTYPE", [PROP_LC_NUMERIC] = "LC_NUMERIC", [PROP_LC_TIME] = "LC_TIME", [PROP_LC_COLLATE] = "LC_COLLATE", [PROP_LC_MONETARY] = "LC_MONETARY", [PROP_LC_MESSAGES] = "LC_MESSAGES", [PROP_LC_PAPER] = "LC_PAPER", [PROP_LC_NAME] = "LC_NAME", [PROP_LC_ADDRESS] = "LC_ADDRESS", [PROP_LC_TELEPHONE] = "LC_TELEPHONE", [PROP_LC_MEASUREMENT] = "LC_MEASUREMENT", [PROP_LC_IDENTIFICATION] = "LC_IDENTIFICATION" }; static char *data[_PROP_MAX] = { NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL }; typedef struct State { char *x11_layout, *x11_model, *x11_variant, *x11_options; char *vc_keymap, *vc_keymap_toggle; } State; static State state; static usec_t remain_until = 0; static int free_and_set(char **s, const char *v) { int r; char *t; assert(s); r = strdup_or_null(isempty(v) ? NULL : v, &t); if (r < 0) return r; free(*s); *s = t; return 0; } static void free_data_locale(void) { int p; for (p = 0; p < _PROP_MAX; p++) { free(data[p]); data[p] = NULL; } } static void free_data_x11(void) { free(state.x11_layout); free(state.x11_model); free(state.x11_variant); free(state.x11_options); state.x11_layout = state.x11_model = state.x11_variant = state.x11_options = NULL; } static void free_data_vconsole(void) { free(state.vc_keymap); free(state.vc_keymap_toggle); state.vc_keymap = state.vc_keymap_toggle = NULL; } static void simplify(void) { int p; for (p = 1; p < _PROP_MAX; p++) if (isempty(data[p]) || streq_ptr(data[PROP_LANG], data[p])) { free(data[p]); data[p] = NULL; } } static int read_data_locale(void) { int r; free_data_locale(); r = parse_env_file("/etc/locale.conf", NEWLINE, "LANG", &data[PROP_LANG], "LANGUAGE", &data[PROP_LANGUAGE], "LC_CTYPE", &data[PROP_LC_CTYPE], "LC_NUMERIC", &data[PROP_LC_NUMERIC], "LC_TIME", &data[PROP_LC_TIME], "LC_COLLATE", &data[PROP_LC_COLLATE], "LC_MONETARY", &data[PROP_LC_MONETARY], "LC_MESSAGES", &data[PROP_LC_MESSAGES], "LC_PAPER", &data[PROP_LC_PAPER], "LC_NAME", &data[PROP_LC_NAME], "LC_ADDRESS", &data[PROP_LC_ADDRESS], "LC_TELEPHONE", &data[PROP_LC_TELEPHONE], "LC_MEASUREMENT", &data[PROP_LC_MEASUREMENT], "LC_IDENTIFICATION", &data[PROP_LC_IDENTIFICATION], NULL); if (r == -ENOENT) { int p; /* Fill in what we got passed from systemd. */ for (p = 0; p < _PROP_MAX; p++) { char *e, *d; assert(names[p]); e = getenv(names[p]); if (e) { d = strdup(e); if (!d) return -ENOMEM; } else d = NULL; free(data[p]); data[p] = d; } r = 0; } simplify(); return r; } static void free_data(void) { free_data_locale(); free_data_vconsole(); free_data_x11(); } static int read_data_vconsole(void) { int r; free_data_vconsole(); r = parse_env_file("/etc/vconsole.conf", NEWLINE, "KEYMAP", &state.vc_keymap, "KEYMAP_TOGGLE", &state.vc_keymap_toggle, NULL); if (r < 0 && r != -ENOENT) return r; return 0; } static int read_data_x11(void) { FILE *f; char line[LINE_MAX]; bool in_section = false; free_data_x11(); f = fopen("/etc/X11/xorg.conf.d/00-keyboard.conf", "re"); if (!f) { if (errno == ENOENT) { #ifdef TARGET_FEDORA f = fopen("/etc/X11/xorg.conf.d/00-system-setup-keyboard.conf", "re"); if (!f) { if (errno == ENOENT) return 0; else return -errno; } #else return 0; #endif } else return -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")) { char **a; a = strv_split_quoted(l); if (!a) { fclose(f); return -ENOMEM; } if (strv_length(a) == 3) { if (streq(a[1], "XkbLayout")) { free(state.x11_layout); state.x11_layout = a[2]; a[2] = NULL; } else if (streq(a[1], "XkbModel")) { free(state.x11_model); state.x11_model = a[2]; a[2] = NULL; } else if (streq(a[1], "XkbVariant")) { free(state.x11_variant); state.x11_variant = a[2]; a[2] = NULL; } else if (streq(a[1], "XkbOptions")) { free(state.x11_options); state.x11_options = a[2]; a[2] = NULL; } } strv_free(a); } else if (!in_section && first_word(l, "Section")) { char **a; a = strv_split_quoted(l); if (!a) { fclose(f); return -ENOMEM; } if (strv_length(a) == 2 && streq(a[1], "InputClass")) in_section = true; strv_free(a); } else if (in_section && first_word(l, "EndSection")) in_section = false; } fclose(f); return 0; } static int read_data(void) { int r, q, p; r = read_data_locale(); q = read_data_vconsole(); p = read_data_x11(); return r < 0 ? r : q < 0 ? q : p; } static int write_data_locale(void) { int r, p; char **l = NULL; r = load_env_file("/etc/locale.conf", &l); if (r < 0 && r != -ENOENT) return r; for (p = 0; p < _PROP_MAX; p++) { char *t, **u; assert(names[p]); if (isempty(data[p])) { l = strv_env_unset(l, names[p]); continue; } if (asprintf(&t, "%s=%s", names[p], data[p]) < 0) { strv_free(l); return -ENOMEM; } u = strv_env_set(l, t); free(t); strv_free(l); if (!u) return -ENOMEM; l = u; } if (strv_isempty(l)) { strv_free(l); if (unlink("/etc/locale.conf") < 0) return errno == ENOENT ? 0 : -errno; return 0; } r = write_env_file("/etc/locale.conf", l); strv_free(l); return r; } static void push_data(DBusConnection *bus) { char **l_set = NULL, **l_unset = NULL, **t; int c_set = 0, c_unset = 0, p; DBusError error; DBusMessage *m = NULL, *reply = NULL; DBusMessageIter iter, sub; dbus_error_init(&error); assert(bus); l_set = new0(char*, _PROP_MAX); l_unset = new0(char*, _PROP_MAX); if (!l_set || !l_unset) { log_error("Out of memory"); goto finish; } for (p = 0; p < _PROP_MAX; p++) { assert(names[p]); if (isempty(data[p])) l_unset[c_set++] = (char*) names[p]; else { char *s; if (asprintf(&s, "%s=%s", names[p], data[p]) < 0) { log_error("Out of memory"); goto finish; } l_set[c_unset++] = s; } } assert(c_set + c_unset == _PROP_MAX); m = dbus_message_new_method_call("org.freedesktop.systemd1", "/org/freedesktop/systemd1", "org.freedesktop.systemd1.Manager", "UnsetAndSetEnvironment"); if (!m) { log_error("Could not allocate message."); goto finish; } dbus_message_iter_init_append(m, &iter); if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "s", &sub)) { log_error("Out of memory."); goto finish; } STRV_FOREACH(t, l_unset) if (!dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, t)) { log_error("Out of memory."); goto finish; } if (!dbus_message_iter_close_container(&iter, &sub) || !dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "s", &sub)) { log_error("Out of memory."); goto finish; } STRV_FOREACH(t, l_set) if (!dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, t)) { log_error("Out of memory."); goto finish; } if (!dbus_message_iter_close_container(&iter, &sub)) { log_error("Out of memory."); goto finish; } reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error); if (!reply) { log_error("Failed to set locale information: %s", bus_error_message(&error)); goto finish; } finish: if (m) dbus_message_unref(m); if (reply) dbus_message_unref(reply); dbus_error_free(&error); strv_free(l_set); free(l_unset); } 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(state.vc_keymap)) l = strv_env_unset(l, "KEYMAP"); else { char *s, **u; s = strappend("KEYMAP=", state.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(state.vc_keymap_toggle)) l = strv_env_unset(l, "KEYMAP_TOGGLE"); else { char *s, **u; s = strappend("KEYMAP_TOGGLE=", state.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(state.x11_layout) && isempty(state.x11_model) && isempty(state.x11_variant) && isempty(state.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_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(state.x11_layout)) fprintf(f, " Option \"XkbLayout\" \"%s\"\n", state.x11_layout); if (!isempty(state.x11_model)) fprintf(f, " Option \"XkbModel\" \"%s\"\n", state.x11_model); if (!isempty(state.x11_variant)) fprintf(f, " Option \"XkbVariant\" \"%s\"\n", state.x11_variant); if (!isempty(state.x11_options)) fprintf(f, " Option \"XkbOptions\" \"%s\"\n", state.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(state.vc_keymap)) { modified = !isempty(state.x11_layout) || !isempty(state.x11_model) || !isempty(state.x11_variant) || !isempty(state.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(state.vc_keymap, a[0])) { strv_free(a); continue; } if (!streq_ptr(state.x11_layout, strnulldash(a[1])) || !streq_ptr(state.x11_model, strnulldash(a[2])) || !streq_ptr(state.x11_variant, strnulldash(a[3])) || !streq_ptr(state.x11_options, strnulldash(a[4]))) { if (free_and_set(&state.x11_layout, strnulldash(a[1])) < 0 || free_and_set(&state.x11_model, strnulldash(a[2])) < 0 || free_and_set(&state.x11_variant, strnulldash(a[3])) < 0 || free_and_set(&state.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(state.x11_layout)) { modified = !isempty(state.vc_keymap) || !isempty(state.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(state.x11_layout, a[1])) /* If we got an exact match, this is best */ matching = 10; else { size_t x; x = strcspn(state.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(state.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(state.x11_layout, a[1], x) == 0) matching = 1; } } if (matching > 0 && streq_ptr(state.x11_model, a[2])) { matching++; if (streq_ptr(state.x11_variant, a[3])) { matching++; if (streq_ptr(state.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(state.vc_keymap, new_keymap)) { free(state.vc_keymap); state.vc_keymap = new_keymap; free(state.vc_keymap_toggle); state.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; } static int append_locale(DBusMessageIter *i, const char *property, void *userdata) { int r, c = 0, p; char **l; l = new0(char*, _PROP_MAX+1); if (!l) return -ENOMEM; for (p = 0; p < _PROP_MAX; p++) { char *t; if (isempty(data[p])) continue; if (asprintf(&t, "%s=%s", names[p], data[p]) < 0) { strv_free(l); return -ENOMEM; } l[c++] = t; } r = bus_property_append_strv(i, property, (void*) l); strv_free(l); return r; } static const BusProperty bus_locale_properties[] = { { "Locale", append_locale, "as", 0 }, { "X11Layout", bus_property_append_string, "s", offsetof(State, x11_layout), true }, { "X11Model", bus_property_append_string, "s", offsetof(State, x11_model), true }, { "X11Variant", bus_property_append_string, "s", offsetof(State, x11_variant), true }, { "X11Options", bus_property_append_string, "s", offsetof(State, x11_options), true }, { "VConsoleKeymap", bus_property_append_string, "s", offsetof(State, vc_keymap), true }, { "VConsoleKeymapToggle", bus_property_append_string, "s", offsetof(State, vc_keymap_toggle), true }, { NULL, } }; static const BusBoundProperties bps[] = { { "org.freedesktop.locale1", bus_locale_properties, &state }, { NULL, } }; static DBusHandlerResult locale_message_handler( DBusConnection *connection, DBusMessage *message, void *userdata) { DBusMessage *reply = NULL, *changed = NULL; DBusError error; int r; assert(connection); assert(message); dbus_error_init(&error); if (dbus_message_is_method_call(message, "org.freedesktop.locale1", "SetLocale")) { char **l = NULL, **i; dbus_bool_t interactive; DBusMessageIter iter; bool modified = false; bool passed[_PROP_MAX]; int p; if (!dbus_message_iter_init(message, &iter)) return bus_send_error_reply(connection, message, NULL, -EINVAL); r = bus_parse_strv_iter(&iter, &l); if (r < 0) { if (r == -ENOMEM) goto oom; return bus_send_error_reply(connection, message, NULL, r); } if (!dbus_message_iter_next(&iter) || dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_BOOLEAN) { strv_free(l); return bus_send_error_reply(connection, message, NULL, -EINVAL); } dbus_message_iter_get_basic(&iter, &interactive); zero(passed); /* Check whether a variable changed and if so valid */ STRV_FOREACH(i, l) { bool valid = false; for (p = 0; p < _PROP_MAX; p++) { size_t k; k = strlen(names[p]); if (startswith(*i, names[p]) && (*i)[k] == '=') { valid = true; passed[p] = true; if (!streq_ptr(*i + k + 1, data[p])) modified = true; break; } } if (!valid) { strv_free(l); return bus_send_error_reply(connection, message, NULL, -EINVAL); } } /* Check whether a variable is unset */ if (!modified) { for (p = 0; p < _PROP_MAX; p++) if (!isempty(data[p]) && !passed[p]) { modified = true; break; } } if (modified) { r = verify_polkit(connection, message, "org.freedesktop.locale1.set-locale", interactive, NULL, &error); if (r < 0) { strv_free(l); return bus_send_error_reply(connection, message, &error, r); } STRV_FOREACH(i, l) { for (p = 0; p < _PROP_MAX; p++) { size_t k; k = strlen(names[p]); if (startswith(*i, names[p]) && (*i)[k] == '=') { char *t; t = strdup(*i + k + 1); if (!t) { strv_free(l); goto oom; } free(data[p]); data[p] = t; break; } } } strv_free(l); for (p = 0; p < _PROP_MAX; p++) { if (passed[p]) continue; free(data[p]); data[p] = NULL; } simplify(); r = write_data_locale(); if (r < 0) { log_error("Failed to set locale: %s", strerror(-r)); return bus_send_error_reply(connection, message, NULL, r); } push_data(connection); log_info("Changed locale information."); changed = bus_properties_changed_new( "/org/freedesktop/locale1", "org.freedesktop.locale1", "Locale\0"); if (!changed) goto oom; } } else if (dbus_message_is_method_call(message, "org.freedesktop.locale1", "SetVConsoleKeyboard")) { const char *keymap, *keymap_toggle; dbus_bool_t convert, interactive; if (!dbus_message_get_args( message, &error, DBUS_TYPE_STRING, &keymap, DBUS_TYPE_STRING, &keymap_toggle, DBUS_TYPE_BOOLEAN, &convert, DBUS_TYPE_BOOLEAN, &interactive, DBUS_TYPE_INVALID)) return bus_send_error_reply(connection, message, &error, -EINVAL); if (isempty(keymap)) keymap = NULL; if (isempty(keymap_toggle)) keymap_toggle = NULL; if (!streq_ptr(keymap, state.vc_keymap) || !streq_ptr(keymap_toggle, state.vc_keymap_toggle)) { r = verify_polkit(connection, message, "org.freedesktop.locale1.set-keyboard", interactive, NULL, &error); if (r < 0) return bus_send_error_reply(connection, message, &error, r); if (free_and_set(&state.vc_keymap, keymap) < 0 || free_and_set(&state.vc_keymap_toggle, keymap_toggle) < 0) goto oom; r = write_data_vconsole(); if (r < 0) { log_error("Failed to set virtual console keymap: %s", strerror(-r)); return bus_send_error_reply(connection, message, NULL, r); } log_info("Changed virtual console keymap to '%s'", strempty(state.vc_keymap)); r = load_vconsole_keymap(connection, NULL); if (r < 0) log_error("Failed to request keymap reload: %s", strerror(-r)); changed = bus_properties_changed_new( "/org/freedesktop/locale1", "org.freedesktop.locale1", "VConsoleKeymap\0" "VConsoleKeymapToggle\0"); if (!changed) goto oom; if (convert) { r = convert_vconsole_to_x11(connection); if (r < 0) log_error("Failed to convert keymap data: %s", strerror(-r)); } } } else if (dbus_message_is_method_call(message, "org.freedesktop.locale1", "SetX11Keyboard")) { const char *layout, *model, *variant, *options; dbus_bool_t convert, interactive; if (!dbus_message_get_args( message, &error, DBUS_TYPE_STRING, &layout, DBUS_TYPE_STRING, &model, DBUS_TYPE_STRING, &variant, DBUS_TYPE_STRING, &options, DBUS_TYPE_BOOLEAN, &convert, DBUS_TYPE_BOOLEAN, &interactive, DBUS_TYPE_INVALID)) return bus_send_error_reply(connection, message, &error, -EINVAL); if (isempty(layout)) layout = NULL; if (isempty(model)) model = NULL; if (isempty(variant)) variant = NULL; if (isempty(options)) options = NULL; if (!streq_ptr(layout, state.x11_layout) || !streq_ptr(model, state.x11_model) || !streq_ptr(variant, state.x11_variant) || !streq_ptr(options, state.x11_options)) { r = verify_polkit(connection, message, "org.freedesktop.locale1.set-keyboard", interactive, NULL, &error); if (r < 0) return bus_send_error_reply(connection, message, &error, r); if (free_and_set(&state.x11_layout, layout) < 0 || free_and_set(&state.x11_model, model) < 0 || free_and_set(&state.x11_variant, variant) < 0 || free_and_set(&state.x11_options, options) < 0) goto oom; r = write_data_x11(); if (r < 0) { log_error("Failed to set X11 keyboard layout: %s", strerror(-r)); return bus_send_error_reply(connection, message, NULL, r); } log_info("Changed X11 keyboard layout to '%s'", strempty(state.x11_layout)); changed = bus_properties_changed_new( "/org/freedesktop/locale1", "org.freedesktop.locale1", "X11Layout\0" "X11Model\0" "X11Variant\0" "X11Options\0"); if (!changed) goto oom; if (convert) { r = convert_x11_to_vconsole(connection); if (r < 0) log_error("Failed to convert keymap data: %s", strerror(-r)); } } } else return bus_default_message_handler(connection, message, INTROSPECTION, INTERFACES_LIST, bps); if (!(reply = dbus_message_new_method_return(message))) goto oom; if (!dbus_connection_send(connection, reply, NULL)) goto oom; dbus_message_unref(reply); reply = NULL; if (changed) { if (!dbus_connection_send(connection, changed, NULL)) goto oom; dbus_message_unref(changed); } return DBUS_HANDLER_RESULT_HANDLED; oom: if (reply) dbus_message_unref(reply); if (changed) dbus_message_unref(changed); dbus_error_free(&error); return DBUS_HANDLER_RESULT_NEED_MEMORY; } static int connect_bus(DBusConnection **_bus) { static const DBusObjectPathVTable locale_vtable = { .message_function = locale_message_handler }; DBusError error; DBusConnection *bus = NULL; int r; assert(_bus); dbus_error_init(&error); bus = dbus_bus_get_private(DBUS_BUS_SYSTEM, &error); if (!bus) { log_error("Failed to get system D-Bus connection: %s", bus_error_message(&error)); r = -ECONNREFUSED; goto fail; } dbus_connection_set_exit_on_disconnect(bus, FALSE); if (!dbus_connection_register_object_path(bus, "/org/freedesktop/locale1", &locale_vtable, NULL) || !dbus_connection_add_filter(bus, bus_exit_idle_filter, &remain_until, NULL)) { log_error("Not enough memory"); r = -ENOMEM; goto fail; } r = dbus_bus_request_name(bus, "org.freedesktop.locale1", DBUS_NAME_FLAG_DO_NOT_QUEUE, &error); if (dbus_error_is_set(&error)) { log_error("Failed to register name on bus: %s", bus_error_message(&error)); r = -EEXIST; goto fail; } if (r != DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER) { log_error("Failed to acquire name."); r = -EEXIST; goto fail; } if (_bus) *_bus = bus; return 0; fail: dbus_connection_close(bus); dbus_connection_unref(bus); dbus_error_free(&error); return r; } int main(int argc, char *argv[]) { int r; DBusConnection *bus = NULL; bool exiting = false; log_set_target(LOG_TARGET_AUTO); log_parse_environment(); log_open(); umask(0022); if (argc == 2 && streq(argv[1], "--introspect")) { fputs(DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE "<node>\n", stdout); fputs(locale_interface, stdout); fputs("</node>\n", stdout); return 0; } if (argc != 1) { log_error("This program takes no arguments."); r = -EINVAL; goto finish; } r = read_data(); if (r < 0) { log_error("Failed to read locale data: %s", strerror(-r)); goto finish; } r = connect_bus(&bus); if (r < 0) goto finish; remain_until = now(CLOCK_MONOTONIC) + DEFAULT_EXIT_USEC; for (;;) { if (!dbus_connection_read_write_dispatch(bus, exiting ? -1 : (int) (DEFAULT_EXIT_USEC/USEC_PER_MSEC))) break; if (!exiting && remain_until < now(CLOCK_MONOTONIC)) { exiting = true; bus_async_unregister_and_exit(bus, "org.freedesktop.locale1"); } } r = 0; finish: free_data(); if (bus) { dbus_connection_flush(bus); dbus_connection_close(bus); dbus_connection_unref(bus); } return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; }