X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Flocale%2Flocaled.c;h=2252080f2e928145aacb52484730dc571df9636e;hp=de6e3b2f84d5461102c430ead02d9979d40b2739;hb=78bd12a05a9252cf573da28394b23e2b891cbba8;hpb=151b9b9662a90455262ce575a8a8ae74bf4ff336 diff --git a/src/locale/localed.c b/src/locale/localed.c index de6e3b2f8..2252080f2 100644 --- a/src/locale/localed.c +++ b/src/locale/localed.c @@ -23,6 +23,7 @@ #include #include #include +#include #include "sd-bus.h" @@ -38,6 +39,7 @@ #include "bus-error.h" #include "bus-message.h" #include "event-util.h" +#include "locale-util.h" enum { /* We don't list LC_ALL here on purpose. People should be @@ -90,20 +92,8 @@ typedef struct Context { Hashmap *polkit_registry; } Context; -static int free_and_copy(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 const char* nonempty(const char *s) { + return isempty(s) ? NULL : s; } static void free_and_replace(char **s, char *v) { @@ -111,6 +101,12 @@ static void free_and_replace(char **s, char *v) { *s = v; } +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) { free_and_replace(&c->x11_layout, NULL); free_and_replace(&c->x11_model, NULL); @@ -130,22 +126,20 @@ static void context_free_locale(Context *c) { free_and_replace(&c->locale[p], NULL); } -static void context_free(Context *c, sd_bus *bus) { +static void context_free(Context *c) { context_free_locale(c); context_free_x11(c); context_free_vconsole(c); - bus_verify_polkit_async_registry_free(bus, c->polkit_registry); + 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])) { - free(c->locale[p]); - c->locale[p] = NULL; - } + if (isempty(c->locale[p]) || streq_ptr(c->locale[LOCALE_LANG], c->locale[p])) + free_and_replace(&c->locale[p], NULL); } static int locale_read_data(Context *c) { @@ -177,7 +171,8 @@ static int locale_read_data(Context *c) { for (p = 0; p < _LOCALE_MAX; p++) { assert(names[p]); - r = free_and_copy(&c->locale[p], getenv(names[p])); + r = free_and_strdup(&c->locale[p], + nonempty(getenv(names[p]))); if (r < 0) return r; } @@ -206,9 +201,10 @@ static int vconsole_read_data(Context *c) { } static int x11_read_data(Context *c) { - FILE *f; + _cleanup_fclose_ FILE *f; char line[LINE_MAX]; bool in_section = false; + int r; context_free_x11(c); @@ -226,13 +222,11 @@ static int x11_read_data(Context *c) { continue; if (in_section && first_word(l, "Option")) { - char **a; + _cleanup_strv_free_ char **a = NULL; - a = strv_split_quoted(l); - if (!a) { - fclose(f); - return -ENOMEM; - } + r = strv_split_quoted(&a, l); + if (r < 0) + return r; if (strv_length(a) == 3) { if (streq(a[1], "XkbLayout")) { @@ -250,27 +244,20 @@ static int x11_read_data(Context *c) { } } - strv_free(a); - } else if (!in_section && first_word(l, "Section")) { - char **a; + _cleanup_strv_free_ char **a = NULL; - a = strv_split_quoted(l); - if (!a) { - fclose(f); + r = strv_split_quoted(&a, l); + if (r < 0) 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; } @@ -284,16 +271,19 @@ static int context_read_data(Context *c) { return r < 0 ? r : q < 0 ? q : p; } -static int locale_write_data(Context *c) { +static int locale_write_data(Context *c, char ***settings) { int r, p; - char **l = NULL; + _cleanup_strv_free_ char **l = NULL; + + /* Set values will be returned as strv in *settings on success. */ - r = load_env_file("/etc/locale.conf", NULL, &l); + r = load_env_file(NULL, "/etc/locale.conf", NULL, &l); if (r < 0 && r != -ENOENT) return r; for (p = 0; p < _LOCALE_MAX; p++) { - char *t, **u; + _cleanup_free_ char *t = NULL; + char **u; assert(names[p]); @@ -302,24 +292,18 @@ static int locale_write_data(Context *c) { continue; } - if (asprintf(&t, "%s=%s", names[p], c->locale[p]) < 0) { - strv_free(l); + if (asprintf(&t, "%s=%s", names[p], c->locale[p]) < 0) return -ENOMEM; - } u = strv_env_set(l, t); - free(t); - strv_free(l); - if (!u) return -ENOMEM; + strv_free(l); l = u; } if (strv_isempty(l)) { - strv_free(l); - if (unlink("/etc/locale.conf") < 0) return errno == ENOENT ? 0 : -errno; @@ -327,9 +311,12 @@ static int locale_write_data(Context *c) { } r = write_env_file_label("/etc/locale.conf", l); - strv_free(l); + if (r < 0) + return r; - return r; + *settings = l; + l = NULL; + return 0; } static int locale_update_system_manager(Context *c, sd_bus *bus) { @@ -393,45 +380,43 @@ static int vconsole_write_data(Context *c) { int r; _cleanup_strv_free_ char **l = NULL; - r = load_env_file("/etc/vconsole.conf", NULL, &l); + 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 { - char *s, **u; + _cleanup_free_ char *s = NULL; + char **u; s = strappend("KEYMAP=", c->vc_keymap); if (!s) return -ENOMEM; u = strv_env_set(l, s); - free(s); - strv_free(l); - if (!u) return -ENOMEM; + strv_free(l); l = u; } if (isempty(c->vc_keymap_toggle)) l = strv_env_unset(l, "KEYMAP_TOGGLE"); else { - char *s, **u; + _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); - free(s); - strv_free(l); - if (!u) return -ENOMEM; + strv_free(l); l = u; } @@ -442,8 +427,7 @@ static int vconsole_write_data(Context *c) { return 0; } - r = write_env_file_label("/etc/vconsole.conf", l); - return r; + return write_env_file_label("/etc/vconsole.conf", l); } static int write_data_x11(Context *c) { @@ -520,8 +504,8 @@ static int vconsole_reload(sd_bus *bus) { return r; } -static char *strnulldash(const char *s) { - return s == NULL || *s == 0 || (s[0] == '-' && s[1] == 0) ? NULL : (char*) s; +static const char* strnulldash(const char *s) { + return isempty(s) || streq(s, "-") ? NULL : s; } static int read_next_mapping(FILE *f, unsigned *n, char ***a) { @@ -532,6 +516,7 @@ static int read_next_mapping(FILE *f, unsigned *n, char ***a) { for (;;) { char line[LINE_MAX]; char *l, **b; + int r; errno = 0; if (!fgets(line, sizeof(line), f)) { @@ -548,9 +533,9 @@ static int read_next_mapping(FILE *f, unsigned *n, char ***a) { if (l[0] == 0 || l[0] == '#') continue; - b = strv_split_quoted(l); - if (!b) - return -ENOMEM; + r = strv_split_quoted(&b, l); + if (r < 0) + return r; if (strv_length(b) < 5) { log_error("Invalid line "SYSTEMD_KBD_MODEL_MAP":%u, ignoring.", *n); @@ -604,10 +589,10 @@ static int vconsole_convert_to_x11(Context *c, sd_bus *bus) { !streq_ptr(c->x11_variant, strnulldash(a[3])) || !streq_ptr(c->x11_options, strnulldash(a[4]))) { - if (free_and_copy(&c->x11_layout, strnulldash(a[1])) < 0 || - free_and_copy(&c->x11_model, strnulldash(a[2])) < 0 || - free_and_copy(&c->x11_variant, strnulldash(a[3])) < 0 || - free_and_copy(&c->x11_options, strnulldash(a[4])) < 0) + 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; @@ -621,38 +606,52 @@ static int vconsole_convert_to_x11(Context *c, sd_bus *bus) { int r; r = write_data_x11(c); - if (r < 0) + if (r < 0) { log_error("Failed to set X11 keyboard layout: %s", strerror(-r)); + return 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)); 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(Context *c, char **new_keymap) { +static int find_converted_keymap(const char *x11_layout, const char *x11_variant, char **new_keymap) { const char *dir; _cleanup_free_ char *n; - if (c->x11_variant) - n = strjoin(c->x11_layout, "-", c->x11_variant, NULL); + if (x11_variant) + n = strjoin(x11_layout, "-", x11_variant, NULL); else - n = strdup(c->x11_layout); + 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; - if (access(p, F_OK) == 0 || access(pz, F_OK) == 0) { + 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; @@ -666,7 +665,7 @@ 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) @@ -675,7 +674,6 @@ static int find_legacy_keymap(Context *c, char **new_keymap) { for (;;) { _cleanup_strv_free_ char **a = NULL; unsigned matching = 0; - int r; r = read_next_mapping(f, &n, &a); if (r < 0) @@ -688,53 +686,67 @@ static int find_legacy_keymap(Context *c, char **new_keymap) { /* If we got an exact match, this is best */ matching = 10; else { - size_t x; - - x = strcspn(c->x11_layout, ","); - /* We have multiple X layouts, look for an * entry that matches our key with everything * but the first layout stripped off. */ - if (x > 0 && - strlen(a[1]) == x && - strneq(c->x11_layout, a[1], x)) + if (startswith_comma(c->x11_layout, a[1])) matching = 5; else { - size_t w; + char *x; /* If that didn't work, strip off the * other layouts from the entry, too */ - w = strcspn(a[1], ","); - - if (x > 0 && x == w && - memcmp(c->x11_layout, a[1], x) == 0) + x = strndupa(a[1], strcspn(a[1], ",")); + if (startswith_comma(c->x11_layout, x)) matching = 1; } } - if (matching > 0 && - streq_ptr(c->x11_model, a[2])) { - matching++; - - if (streq_ptr(c->x11_variant, a[3])) { + if (matching > 0) { + if (isempty(c->x11_model) || streq_ptr(c->x11_model, a[2])) { matching++; - if (streq_ptr(c->x11_options, a[4])) + 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 > best_matching) { - best_matching = matching; + if (matching >= MAX(best_matching, 1u)) { + log_debug("Found legacy keymap %s with score %u", + a[0], matching); - free(*new_keymap); - *new_keymap = strdup(a[0]); - if (!*new_keymap) - return -ENOMEM; + 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_and_replace(new_keymap, converted); + } + return 0; } @@ -754,7 +766,7 @@ static int x11_convert_to_vconsole(Context *c, sd_bus *bus) { } else { char *new_keymap = NULL; - r = find_converted_keymap(c, &new_keymap); + r = find_converted_keymap(c->x11_layout, c->x11_variant, &new_keymap); if (r < 0) return r; else if (r == 0) { @@ -776,13 +788,17 @@ static int x11_convert_to_vconsole(Context *c, sd_bus *bus) { if (r < 0) log_error("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)); + 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; } @@ -837,7 +853,7 @@ static int method_set_locale(sd_bus *bus, sd_bus_message *m, void *userdata, sd_ if (r < 0) return r; - /* Check whether a variable changed and if so valid */ + /* Check whether a variable changed and if it is valid */ STRV_FOREACH(i, l) { bool valid = false; @@ -847,7 +863,7 @@ static int method_set_locale(sd_bus *bus, sd_bus_message *m, void *userdata, sd_ k = strlen(names[p]); if (startswith(*i, names[p]) && (*i)[k] == '=' && - string_is_safe((*i) + k + 1)) { + locale_is_valid((*i) + k + 1)) { valid = true; passed[p] = true; @@ -863,41 +879,34 @@ static int method_set_locale(sd_bus *bus, sd_bus_message *m, void *userdata, sd_ } /* Check whether a variable is unset */ - if (!modified) { + if (!modified) for (p = 0; p < _LOCALE_MAX; p++) if (!isempty(c->locale[p]) && !passed[p]) { modified = true; break; } - } if (modified) { - r = bus_verify_polkit_async(bus, &c->polkit_registry, m, - "org.freedesktop.locale1.set-locale", interactive, - error, method_set_locale, c); + _cleanup_strv_free_ char **settings = NULL; + + r = bus_verify_polkit_async(m, CAP_SYS_ADMIN, "org.freedesktop.locale1.set-locale", interactive, &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) { + 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] == '=') { - char *t; - - t = strdup(*i + k + 1); - if (!t) - return -ENOMEM; - - free(c->locale[p]); - c->locale[p] = t; + r = free_and_strdup(&c->locale[p], *i + k + 1); + if (r < 0) + return r; break; } } - } for (p = 0; p < _LOCALE_MAX; p++) { if (passed[p]) @@ -908,7 +917,7 @@ static int method_set_locale(sd_bus *bus, sd_bus_message *m, void *userdata, sd_ locale_simplify(c); - r = locale_write_data(c); + r = locale_write_data(c, &settings); if (r < 0) { log_error("Failed to set locale: %s", strerror(-r)); return sd_bus_error_set_errnof(error, r, "Failed to set locale: %s", strerror(-r)); @@ -916,13 +925,21 @@ static int method_set_locale(sd_bus *bus, sd_bus_message *m, void *userdata, sd_ locale_update_system_manager(c, bus); - log_info("Changed locale information."); + 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."); sd_bus_emit_properties_changed(bus, "/org/freedesktop/locale1", "org.freedesktop.locale1", "Locale", NULL); - } + } else + log_debug("Locale settings were not modified."); + return sd_bus_reply_method_return(m, NULL); } @@ -950,16 +967,14 @@ static int method_set_vc_keyboard(sd_bus *bus, sd_bus_message *m, void *userdata (keymap_toggle && (!filename_is_safe(keymap_toggle) || !string_is_safe(keymap_toggle)))) return sd_bus_error_set_errnof(error, -EINVAL, "Received invalid keymap data"); - r = bus_verify_polkit_async(bus, &c->polkit_registry, m, - "org.freedesktop.locale1.set-keyboard", - interactive, error, method_set_vc_keyboard, c); + r = bus_verify_polkit_async(m, CAP_SYS_ADMIN, "org.freedesktop.locale1.set-keyboard", interactive, &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_copy(&c->vc_keymap, keymap) < 0 || - free_and_copy(&c->vc_keymap_toggle, keymap_toggle) < 0) + 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); @@ -968,7 +983,8 @@ static int method_set_vc_keyboard(sd_bus *bus, sd_bus_message *m, void *userdata 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'", strempty(c->vc_keymap)); + log_info("Changed virtual console keymap to '%s' toggle '%s'", + strempty(c->vc_keymap), strempty(c->vc_keymap_toggle)); r = vconsole_reload(bus); if (r < 0) @@ -1022,18 +1038,16 @@ static int method_set_x11_keyboard(sd_bus *bus, sd_bus_message *m, void *userdat (options && !string_is_safe(options))) return sd_bus_error_set_errnof(error, -EINVAL, "Received invalid keyboard data"); - r = bus_verify_polkit_async(bus, &c->polkit_registry, m, - "org.freedesktop.locale1.set-keyboard", - interactive, error, method_set_x11_keyboard, c); + r = bus_verify_polkit_async(m, CAP_SYS_ADMIN, "org.freedesktop.locale1.set-keyboard", interactive, &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_copy(&c->x11_layout, layout) < 0 || - free_and_copy(&c->x11_model, model) < 0 || - free_and_copy(&c->x11_variant, variant) < 0 || - free_and_copy(&c->x11_options, options) < 0) + 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 = write_data_x11(c); @@ -1042,12 +1056,16 @@ static int method_set_x11_keyboard(sd_bus *bus, sd_bus_message *m, void *userdat 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'", strempty(c->x11_layout)); + 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); + "X11Layout", "X11Model", "X11Variant", "X11Options", NULL); if (convert) { r = x11_convert_to_vconsole(c, bus); @@ -1075,7 +1093,7 @@ static const sd_bus_vtable locale_vtable[] = { }; static int connect_bus(Context *c, sd_event *event, sd_bus **_bus) { - _cleanup_bus_unref_ sd_bus *bus = NULL; + _cleanup_bus_close_unref_ sd_bus *bus = NULL; int r; assert(c); @@ -1088,7 +1106,7 @@ static int connect_bus(Context *c, sd_event *event, sd_bus **_bus) { return r; } - r = sd_bus_add_object_vtable(bus, "/org/freedesktop/locale1", "org.freedesktop.locale1", locale_vtable, c); + r = sd_bus_add_object_vtable(bus, NULL, "/org/freedesktop/locale1", "org.freedesktop.locale1", locale_vtable, c); if (r < 0) { log_error("Failed to register object: %s", strerror(-r)); return r; @@ -1113,9 +1131,9 @@ static int connect_bus(Context *c, sd_event *event, sd_bus **_bus) { } int main(int argc, char *argv[]) { - Context context = {}; + _cleanup_(context_free) Context context = {}; _cleanup_event_unref_ sd_event *event = NULL; - _cleanup_bus_unref_ sd_bus *bus = NULL; + _cleanup_bus_close_unref_ sd_bus *bus = NULL; int r; log_set_target(LOG_TARGET_AUTO); @@ -1156,7 +1174,5 @@ int main(int argc, char *argv[]) { } finish: - context_free(&context, bus); - return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; }