| /*-*- 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> |
| |
| #ifdef HAVE_XKBCOMMON |
| #include <xkbcommon/xkbcommon.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 "env-util.h" |
| #include "event-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_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); |
| |
| 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_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_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); |
| } |
| |
| 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_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)); |
| 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)); |
| |
| (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_bus_flush_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_flush_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; |
| } |