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-rw-r--r--src/locale/localed-util.c846
1 files changed, 846 insertions, 0 deletions
diff --git a/src/locale/localed-util.c b/src/locale/localed-util.c
new file mode 100644
index 0000000..4d021fb
--- /dev/null
+++ b/src/locale/localed-util.c
@@ -0,0 +1,846 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <errno.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#include "bus-polkit.h"
+#include "copy.h"
+#include "env-file-label.h"
+#include "env-file.h"
+#include "env-util.h"
+#include "fd-util.h"
+#include "fileio-label.h"
+#include "fileio.h"
+#include "fs-util.h"
+#include "kbd-util.h"
+#include "localed-util.h"
+#include "macro.h"
+#include "mkdir-label.h"
+#include "nulstr-util.h"
+#include "process-util.h"
+#include "string-util.h"
+#include "strv.h"
+#include "tmpfile-util.h"
+
+static bool startswith_comma(const char *s, const char *prefix) {
+ s = startswith(s, prefix);
+ if (!s)
+ return false;
+
+ return IN_SET(*s, ',', '\0');
+}
+
+static const char* systemd_kbd_model_map(void) {
+ const char* s;
+
+ s = getenv("SYSTEMD_KBD_MODEL_MAP");
+ if (s)
+ return s;
+
+ return SYSTEMD_KBD_MODEL_MAP;
+}
+
+static const char* systemd_language_fallback_map(void) {
+ const char* s;
+
+ s = getenv("SYSTEMD_LANGUAGE_FALLBACK_MAP");
+ if (s)
+ return s;
+
+ return SYSTEMD_LANGUAGE_FALLBACK_MAP;
+}
+
+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);
+}
+
+void context_clear(Context *c) {
+ locale_context_clear(&c->locale_context);
+ context_free_x11(c);
+ context_free_vconsole(c);
+
+ sd_bus_message_unref(c->locale_cache);
+ sd_bus_message_unref(c->x11_cache);
+ sd_bus_message_unref(c->vc_cache);
+
+ bus_verify_polkit_async_registry_free(c->polkit_registry);
+};
+
+int locale_read_data(Context *c, sd_bus_message *m) {
+ assert(c);
+
+ /* Do not try to re-read the file within single bus operation. */
+ if (m) {
+ if (m == c->locale_cache)
+ return 0;
+
+ sd_bus_message_unref(c->locale_cache);
+ c->locale_cache = sd_bus_message_ref(m);
+ }
+
+ return locale_context_load(&c->locale_context, LOCALE_LOAD_LOCALE_CONF | LOCALE_LOAD_ENVIRONMENT | LOCALE_LOAD_SIMPLIFY);
+}
+
+int vconsole_read_data(Context *c, sd_bus_message *m) {
+ struct stat st;
+ usec_t t;
+
+ /* Do not try to re-read the file within single bus operation. */
+ if (m) {
+ if (m == c->vc_cache)
+ return 0;
+
+ sd_bus_message_unref(c->vc_cache);
+ c->vc_cache = sd_bus_message_ref(m);
+ }
+
+ if (stat("/etc/vconsole.conf", &st) < 0) {
+ if (errno != ENOENT)
+ return -errno;
+
+ c->vc_mtime = USEC_INFINITY;
+ context_free_vconsole(c);
+ return 0;
+ }
+
+ /* If mtime is not changed, then we do not need to re-read */
+ t = timespec_load(&st.st_mtim);
+ if (c->vc_mtime != USEC_INFINITY && t == c->vc_mtime)
+ return 0;
+
+ c->vc_mtime = t;
+ context_free_vconsole(c);
+
+ return parse_env_file(NULL, "/etc/vconsole.conf",
+ "KEYMAP", &c->vc_keymap,
+ "KEYMAP_TOGGLE", &c->vc_keymap_toggle);
+}
+
+int x11_read_data(Context *c, sd_bus_message *m) {
+ _cleanup_fclose_ FILE *f = NULL;
+ bool in_section = false;
+ struct stat st;
+ usec_t t;
+ int r;
+
+ /* Do not try to re-read the file within single bus operation. */
+ if (m) {
+ if (m == c->x11_cache)
+ return 0;
+
+ sd_bus_message_unref(c->x11_cache);
+ c->x11_cache = sd_bus_message_ref(m);
+ }
+
+ if (stat("/etc/X11/xorg.conf.d/00-keyboard.conf", &st) < 0) {
+ if (errno != ENOENT)
+ return -errno;
+
+ c->x11_mtime = USEC_INFINITY;
+ context_free_x11(c);
+ return 0;
+ }
+
+ /* If mtime is not changed, then we do not need to re-read */
+ t = timespec_load(&st.st_mtim);
+ if (c->x11_mtime != USEC_INFINITY && t == c->x11_mtime)
+ return 0;
+
+ c->x11_mtime = t;
+ context_free_x11(c);
+
+ f = fopen("/etc/X11/xorg.conf.d/00-keyboard.conf", "re");
+ if (!f)
+ return -errno;
+
+ for (;;) {
+ _cleanup_free_ char *line = NULL;
+ char *l;
+
+ r = read_line(f, LONG_LINE_MAX, &line);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ break;
+
+ l = strstrip(line);
+ if (IN_SET(l[0], 0, '#'))
+ continue;
+
+ if (in_section && first_word(l, "Option")) {
+ _cleanup_strv_free_ char **a = NULL;
+
+ r = strv_split_full(&a, l, WHITESPACE, EXTRACT_UNQUOTE);
+ 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_and_replace(*p, a[2]);
+ }
+
+ } else if (!in_section && first_word(l, "Section")) {
+ _cleanup_strv_free_ char **a = NULL;
+
+ r = strv_split_full(&a, l, WHITESPACE, EXTRACT_UNQUOTE);
+ 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;
+}
+
+int vconsole_write_data(Context *c) {
+ _cleanup_strv_free_ char **l = NULL;
+ struct stat st;
+ int r;
+
+ r = load_env_file(NULL, "/etc/vconsole.conf", &l);
+ if (r < 0 && r != -ENOENT)
+ return r;
+
+ r = strv_env_assign(&l, "KEYMAP", empty_to_null(c->vc_keymap));
+ if (r < 0)
+ return r;
+
+ r = strv_env_assign(&l, "KEYMAP_TOGGLE", empty_to_null(c->vc_keymap_toggle));
+ if (r < 0)
+ return r;
+
+ if (strv_isempty(l)) {
+ if (unlink("/etc/vconsole.conf") < 0)
+ return errno == ENOENT ? 0 : -errno;
+
+ c->vc_mtime = USEC_INFINITY;
+ return 0;
+ }
+
+ r = write_env_file_label("/etc/vconsole.conf", l);
+ if (r < 0)
+ return r;
+
+ if (stat("/etc/vconsole.conf", &st) >= 0)
+ c->vc_mtime = timespec_load(&st.st_mtim);
+
+ return 0;
+}
+
+int x11_write_data(Context *c) {
+ _cleanup_fclose_ FILE *f = NULL;
+ _cleanup_free_ char *temp_path = NULL;
+ struct stat st;
+ 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;
+
+ c->vc_mtime = USEC_INFINITY;
+ return 0;
+ }
+
+ (void) 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;
+
+ (void) fchmod(fileno(f), 0644);
+
+ fputs("# Written by systemd-localed(8), read by systemd-localed and Xorg. It's\n"
+ "# probably wise not to edit this file manually. Use localectl(1) to\n"
+ "# instruct systemd-localed to update it.\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_sync_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;
+ }
+
+ if (stat("/etc/X11/xorg.conf.d/00-keyboard.conf", &st) >= 0)
+ c->x11_mtime = timespec_load(&st.st_mtim);
+
+ return 0;
+
+fail:
+ if (temp_path)
+ (void) unlink(temp_path);
+
+ return r;
+}
+
+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 (;;) {
+ _cleanup_free_ char *line = NULL;
+ size_t length;
+ char *l, **b;
+ int r;
+
+ r = read_line(f, LONG_LINE_MAX, &line);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ break;
+
+ (*n)++;
+
+ l = strstrip(line);
+ if (IN_SET(l[0], 0, '#'))
+ continue;
+
+ r = strv_split_full(&b, l, WHITESPACE, EXTRACT_UNQUOTE);
+ 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;
+ }
+
+ return 0;
+}
+
+int vconsole_convert_to_x11(Context *c) {
+ const char *map;
+ int modified = -1;
+
+ map = systemd_kbd_model_map();
+
+ 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(map, "re");
+ if (!f)
+ return -errno;
+
+ for (;;) {
+ _cleanup_strv_free_ char **a = NULL;
+ int r;
+
+ r = read_next_mapping(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, empty_or_dash_to_null(a[1])) ||
+ !streq_ptr(c->x11_model, empty_or_dash_to_null(a[2])) ||
+ !streq_ptr(c->x11_variant, empty_or_dash_to_null(a[3])) ||
+ !streq_ptr(c->x11_options, empty_or_dash_to_null(a[4]))) {
+
+ if (free_and_strdup(&c->x11_layout, empty_or_dash_to_null(a[1])) < 0 ||
+ free_and_strdup(&c->x11_model, empty_or_dash_to_null(a[2])) < 0 ||
+ free_and_strdup(&c->x11_variant, empty_or_dash_to_null(a[3])) < 0 ||
+ free_and_strdup(&c->x11_options, empty_or_dash_to_null(a[4])) < 0)
+ return -ENOMEM;
+
+ modified = true;
+ }
+
+ break;
+ }
+ }
+
+ if (modified > 0)
+ log_info("Changing 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));
+ else if (modified < 0)
+ log_notice("X11 keyboard layout was not modified: no conversion found for \"%s\".",
+ c->vc_keymap);
+ else
+ log_debug("X11 keyboard layout did not need to be modified.");
+
+ return modified > 0;
+}
+
+int find_converted_keymap(const char *x11_layout, const char *x11_variant, char **new_keymap) {
+ const char *dir;
+ _cleanup_free_ char *n = NULL;
+
+ if (x11_variant)
+ n = strjoin(x11_layout, "-", x11_variant);
+ 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");
+ pz = strjoin(dir, "xkb/", n, ".map.gz");
+ 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 = TAKE_PTR(n);
+ return 1;
+ }
+ }
+
+ return 0;
+}
+
+int find_legacy_keymap(Context *c, char **ret) {
+ const char *map;
+ _cleanup_fclose_ FILE *f = NULL;
+ _cleanup_free_ char *new_keymap = NULL;
+ unsigned n = 0;
+ unsigned best_matching = 0;
+ int r;
+
+ assert(!isempty(c->x11_layout));
+
+ map = systemd_kbd_model_map();
+
+ f = fopen(map, "re");
+ if (!f)
+ return -errno;
+
+ for (;;) {
+ _cleanup_strv_free_ char **a = NULL;
+ unsigned matching = 0;
+
+ r = read_next_mapping(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(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 {
+ _cleanup_free_ char *x = NULL;
+
+ /* If that didn't work, strip off the
+ * other layouts from the entry, too */
+ x = strndup(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_safe(c->x11_layout, strcspn(c->x11_layout, ","));
+ if (c->x11_variant)
+ v = strndupa_safe(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);
+ }
+
+ *ret = TAKE_PTR(new_keymap);
+ return (bool) *ret;
+}
+
+int find_language_fallback(const char *lang, char **language) {
+ const char *map;
+ _cleanup_fclose_ FILE *f = NULL;
+ unsigned n = 0;
+
+ assert(lang);
+ assert(language);
+
+ map = systemd_language_fallback_map();
+
+ f = fopen(map, "re");
+ if (!f)
+ return -errno;
+
+ for (;;) {
+ _cleanup_strv_free_ char **a = NULL;
+ int r;
+
+ r = read_next_mapping(map, 2, 2, f, &n, &a);
+ if (r <= 0)
+ return r;
+
+ if (streq(lang, a[0])) {
+ assert(strv_length(a) == 2);
+ *language = TAKE_PTR(a[1]);
+ return 1;
+ }
+ }
+
+ assert_not_reached();
+}
+
+int x11_convert_to_vconsole(Context *c) {
+ bool modified = false;
+
+ if (isempty(c->x11_layout)) {
+ modified =
+ !isempty(c->vc_keymap) ||
+ !isempty(c->vc_keymap_toggle);
+
+ context_free_vconsole(c);
+ } else {
+ _cleanup_free_ char *new_keymap = NULL;
+ int r;
+
+ 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 (r == 0)
+ /* We search for layout-variant match first, but then we also look
+ * for anything which matches just the layout. So it's accurate to say
+ * that we couldn't find anything which matches the layout. */
+ log_notice("No conversion to virtual console map found for \"%s\".",
+ c->x11_layout);
+
+ if (!streq_ptr(c->vc_keymap, new_keymap)) {
+ free_and_replace(c->vc_keymap, new_keymap);
+ c->vc_keymap_toggle = mfree(c->vc_keymap_toggle);
+ modified = true;
+ }
+ }
+
+ if (modified)
+ log_info("Changing virtual console keymap to '%s' toggle '%s'",
+ strempty(c->vc_keymap), strempty(c->vc_keymap_toggle));
+ else
+ log_debug("Virtual console keymap was not modified.");
+
+ return modified;
+}
+
+bool locale_gen_check_available(void) {
+#if HAVE_LOCALEGEN
+ if (access(LOCALEGEN_PATH, X_OK) < 0) {
+ if (errno != ENOENT)
+ log_warning_errno(errno, "Unable to determine whether " LOCALEGEN_PATH " exists and is executable, assuming it is not: %m");
+ return false;
+ }
+ if (access("/etc/locale.gen", F_OK) < 0) {
+ if (errno != ENOENT)
+ log_warning_errno(errno, "Unable to determine whether /etc/locale.gen exists, assuming it does not: %m");
+ return false;
+ }
+ return true;
+#else
+ return false;
+#endif
+}
+
+#if HAVE_LOCALEGEN
+static bool locale_encoding_is_utf8_or_unspecified(const char *locale) {
+ const char *c = strchr(locale, '.');
+ return !c || strcaseeq(c, ".UTF-8") || strcasestr(locale, ".UTF-8@");
+}
+
+static int locale_gen_locale_supported(const char *locale_entry) {
+ /* Returns an error valus <= 0 if the locale-gen entry is invalid or unsupported,
+ * 1 in case the locale entry is valid, and -EOPNOTSUPP specifically in case
+ * the distributor has not provided us with a SUPPORTED file to check
+ * locale for validity. */
+
+ _cleanup_fclose_ FILE *f = NULL;
+ int r;
+
+ assert(locale_entry);
+
+ /* Locale templates without country code are never supported */
+ if (!strstr(locale_entry, "_"))
+ return -EINVAL;
+
+ f = fopen("/usr/share/i18n/SUPPORTED", "re");
+ if (!f) {
+ if (errno == ENOENT)
+ return log_debug_errno(SYNTHETIC_ERRNO(EOPNOTSUPP),
+ "Unable to check validity of locale entry %s: /usr/share/i18n/SUPPORTED does not exist",
+ locale_entry);
+ return -errno;
+ }
+
+ for (;;) {
+ _cleanup_free_ char *line = NULL;
+ char *l;
+
+ r = read_line(f, LONG_LINE_MAX, &line);
+ if (r < 0)
+ return log_debug_errno(r, "Failed to read /usr/share/i18n/SUPPORTED: %m");
+ if (r == 0)
+ return 0;
+
+ l = strstrip(line);
+ if (strcaseeq_ptr(l, locale_entry))
+ return 1;
+ }
+}
+#endif
+
+int locale_gen_enable_locale(const char *locale) {
+#if HAVE_LOCALEGEN
+ _cleanup_fclose_ FILE *fr = NULL, *fw = NULL;
+ _cleanup_(unlink_and_freep) char *temp_path = NULL;
+ _cleanup_free_ char *locale_entry = NULL;
+ bool locale_enabled = false, first_line = false;
+ bool write_new = false;
+ int r;
+
+ if (isempty(locale))
+ return 0;
+
+ if (locale_encoding_is_utf8_or_unspecified(locale)) {
+ locale_entry = strjoin(locale, " UTF-8");
+ if (!locale_entry)
+ return -ENOMEM;
+ } else
+ return -ENOEXEC; /* We do not process non-UTF-8 locale */
+
+ r = locale_gen_locale_supported(locale_entry);
+ if (r == 0)
+ return -EINVAL;
+ if (r < 0 && r != -EOPNOTSUPP)
+ return r;
+
+ fr = fopen("/etc/locale.gen", "re");
+ if (!fr) {
+ if (errno != ENOENT)
+ return -errno;
+ write_new = true;
+ }
+
+ r = fopen_temporary("/etc/locale.gen", &fw, &temp_path);
+ if (r < 0)
+ return r;
+
+ if (write_new)
+ (void) fchmod(fileno(fw), 0644);
+ else {
+ /* apply mode & xattrs of the original file to new file */
+ r = copy_access(fileno(fr), fileno(fw));
+ if (r < 0)
+ return r;
+ r = copy_xattr(fileno(fr), fileno(fw), COPY_ALL_XATTRS);
+ if (r < 0)
+ log_debug_errno(r, "Failed to copy all xattrs from old to new /etc/locale.gen file, ignoring: %m");
+ }
+
+ if (!write_new) {
+ /* The config file ends with a line break, which we do not want to include before potentially appending a new locale
+ * instead of uncommenting an existing line. By prepending linebreaks, we can avoid buffering this file but can still write
+ * a nice config file without empty lines */
+ first_line = true;
+ for (;;) {
+ _cleanup_free_ char *line = NULL;
+ char *line_locale;
+
+ r = read_line(fr, LONG_LINE_MAX, &line);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ break;
+
+ if (locale_enabled) {
+ /* Just complete writing the file if the new locale was already enabled */
+ if (!first_line)
+ fputc('\n', fw);
+ fputs(line, fw);
+ first_line = false;
+ continue;
+ }
+
+ line_locale = strstrip(line);
+ if (isempty(line_locale)) {
+ fputc('\n', fw);
+ first_line = false;
+ continue;
+ }
+
+ if (line_locale[0] == '#')
+ line_locale = strstrip(line_locale + 1);
+ else if (strcaseeq_ptr(line_locale, locale_entry))
+ return 0; /* the file already had our locale activated, so skip updating it */
+
+ if (strcaseeq_ptr(line_locale, locale_entry)) {
+ /* Uncomment existing line for new locale */
+ if (!first_line)
+ fputc('\n', fw);
+ fputs(locale_entry, fw);
+ locale_enabled = true;
+ first_line = false;
+ continue;
+ }
+
+ /* The line was not for the locale we want to enable, just copy it */
+ if (!first_line)
+ fputc('\n', fw);
+ fputs(line, fw);
+ first_line = false;
+ }
+ }
+
+ /* Add locale to enable to the end of the file if it was not found as commented line */
+ if (!locale_enabled) {
+ if (!write_new)
+ fputc('\n', fw);
+ fputs(locale_entry, fw);
+ }
+ fputc('\n', fw);
+
+ r = fflush_sync_and_check(fw);
+ if (r < 0)
+ return r;
+
+ if (rename(temp_path, "/etc/locale.gen") < 0)
+ return -errno;
+ temp_path = mfree(temp_path);
+
+ return 0;
+#else
+ return -EOPNOTSUPP;
+#endif
+}
+
+int locale_gen_run(void) {
+#if HAVE_LOCALEGEN
+ pid_t pid;
+ int r;
+
+ r = safe_fork("(sd-localegen)", FORK_RESET_SIGNALS|FORK_RLIMIT_NOFILE_SAFE|FORK_CLOSE_ALL_FDS|FORK_LOG|FORK_WAIT, &pid);
+ if (r < 0)
+ return r;
+ if (r == 0) {
+ execl(LOCALEGEN_PATH, LOCALEGEN_PATH, NULL);
+ _exit(EXIT_FAILURE);
+ }
+
+ return 0;
+#else
+ return -EOPNOTSUPP;
+#endif
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-24 19:28:54 +0000