diff options
Diffstat (limited to 'src/locale/localed.c')
| -rw-r--r-- | src/locale/localed.c | 710 |
1 files changed, 0 insertions, 710 deletions
diff --git a/src/locale/localed.c b/src/locale/localed.c deleted file mode 100644 index 1cb049e74a..0000000000 --- a/src/locale/localed.c +++ /dev/null @@ -1,710 +0,0 @@ -/*** - 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 "sd-bus.h" - -#include "alloc-util.h" -#include "bus-error.h" -#include "bus-message.h" -#include "bus-util.h" -#include "def.h" -#include "keymap-util.h" -#include "locale-util.h" -#include "macro.h" -#include "path-util.h" -#include "selinux-util.h" -#include "string-util.h" -#include "strv.h" -#include "user-util.h" - -static Hashmap *polkit_registry = NULL; - -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*, _VARIABLE_LC_MAX); - if (!l_unset) - return -ENOMEM; - - l_set = new0(char*, _VARIABLE_LC_MAX); - if (!l_set) - return -ENOMEM; - - for (p = 0, c_set = 0, c_unset = 0; p < _VARIABLE_LC_MAX; p++) { - const char *name; - - name = locale_variable_to_string(p); - assert(name); - - if (isempty(c->locale[p])) - l_unset[c_set++] = (char*) name; - else { - char *s; - - if (asprintf(&s, "%s=%s", name, c->locale[p]) < 0) - return -ENOMEM; - - l_set[c_unset++] = s; - } - } - - assert(c_set + c_unset == _VARIABLE_LC_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_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 int vconsole_convert_to_x11_and_emit(Context *c, sd_bus *bus) { - int r; - - assert(bus); - - r = vconsole_convert_to_x11(c); - if (r <= 0) - return r; - - /* modified */ - r = x11_write_data(c); - if (r < 0) - return log_error_errno(r, "Failed to write X11 keyboard layout: %m"); - - sd_bus_emit_properties_changed(bus, - "/org/freedesktop/locale1", - "org.freedesktop.locale1", - "X11Layout", "X11Model", "X11Variant", "X11Options", NULL); - - return 1; -} - -static int x11_convert_to_vconsole_and_emit(Context *c, sd_bus *bus) { - int r; - - assert(bus); - - r = x11_convert_to_vconsole(c); - if (r <= 0) - return r; - - /* modified */ - r = vconsole_write_data(c); - if (r < 0) - log_error_errno(r, "Failed to save virtual console keymap: %m"); - - sd_bus_emit_properties_changed(bus, - "/org/freedesktop/locale1", - "org.freedesktop.locale1", - "VConsoleKeymap", "VConsoleKeymapToggle", NULL); - - return vconsole_reload(bus); -} - -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*, _VARIABLE_LC_MAX+1); - if (!l) - return -ENOMEM; - - for (p = 0, q = 0; p < _VARIABLE_LC_MAX; p++) { - char *t; - const char *name; - - name = locale_variable_to_string(p); - assert(name); - - if (isempty(c->locale[p])) - continue; - - if (asprintf(&t, "%s=%s", name, 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[_VARIABLE_LC_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 < _VARIABLE_LC_MAX; p++) { - size_t k; - const char *name; - - name = locale_variable_to_string(p); - assert(name); - - k = strlen(name); - if (startswith(*i, name) && - (*i)[k] == '=' && - locale_is_valid((*i) + k + 1)) { - valid = true; - have[p] = true; - - if (p == VARIABLE_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[VARIABLE_LANG] && !have[VARIABLE_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[VARIABLE_LANGUAGE])) { - r = strv_extendf(&l, "LANGUAGE=%s", language); - if (r < 0) - return r; - - have[VARIABLE_LANGUAGE] = true; - modified = true; - } - } - } - - /* Check whether a variable is unset */ - if (!modified) - for (p = 0; p < _VARIABLE_LC_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, - &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 < _VARIABLE_LC_MAX; p++) { - size_t k; - const char *name; - - name = locale_variable_to_string(p); - assert(name); - - k = strlen(name); - if (startswith(*i, name) && (*i)[k] == '=') { - r = free_and_strdup(&c->locale[p], *i + k + 1); - if (r < 0) - return r; - break; - } - } - - for (p = 0; p < _VARIABLE_LC_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: %m"); - } - - 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; - - keymap = empty_to_null(keymap); - keymap_toggle = empty_to_null(keymap_toggle); - - 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, - &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: %m"); - } - - 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_and_emit(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; - - layout = empty_to_null(layout); - model = empty_to_null(model); - variant = empty_to_null(variant); - options = empty_to_null(options); - - 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, - &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: %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)); - - (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_and_emit(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"); - -finish: - bus_verify_polkit_async_registry_free(polkit_registry); - - return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; -} |