#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 "keymap-util.h"

#include "locale-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);

}

static void context_free_locale(Context *c) {

for (LocaleVariable p = 0; p < _VARIABLE_LC_MAX; p++)

c->locale[p] = mfree(c->locale[p]);

}

void context_clear(Context *c) {

context_free_locale(c);

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);

};

void locale_simplify(char *locale[_VARIABLE_LC_MAX]) {

for (LocaleVariable p = VARIABLE_LANG+1; p < _VARIABLE_LC_MAX; p++)

if (isempty(locale[p]) || streq_ptr(locale[VARIABLE_LANG], locale[p]))

locale[p] = mfree(locale[p]);

}

int locale_read_data(Context *c, sd_bus_message *m) {

struct stat st;

int r;

/* 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);

}

r = stat("/etc/locale.conf", &st);

if (r < 0 && errno != ENOENT)

return -errno;

if (r >= 0) {

usec_t t;

/* If mtime is not changed, then we do not need to re-read the file. */

t = timespec_load(&st.st_mtim);

if (c->locale_mtime != USEC_INFINITY && t == c->locale_mtime)

return 0;

c->locale_mtime = t;

context_free_locale(c);

r = parse_env_file(NULL, "/etc/locale.conf",

"LANG", &c->locale[VARIABLE_LANG],

"LANGUAGE", &c->locale[VARIABLE_LANGUAGE],

"LC_CTYPE", &c->locale[VARIABLE_LC_CTYPE],

"LC_NUMERIC", &c->locale[VARIABLE_LC_NUMERIC],

"LC_TIME", &c->locale[VARIABLE_LC_TIME],

"LC_COLLATE", &c->locale[VARIABLE_LC_COLLATE],

"LC_MONETARY", &c->locale[VARIABLE_LC_MONETARY],

"LC_MESSAGES", &c->locale[VARIABLE_LC_MESSAGES],

"LC_PAPER", &c->locale[VARIABLE_LC_PAPER],

"LC_NAME", &c->locale[VARIABLE_LC_NAME],

"LC_ADDRESS", &c->locale[VARIABLE_LC_ADDRESS],

"LC_TELEPHONE", &c->locale[VARIABLE_LC_TELEPHONE],

"LC_MEASUREMENT", &c->locale[VARIABLE_LC_MEASUREMENT],

"LC_IDENTIFICATION", &c->locale[VARIABLE_LC_IDENTIFICATION]);

if (r < 0)

return r;

} else {

c->locale_mtime = USEC_INFINITY;

context_free_locale(c);

/* Fill in what we got passed from systemd. */

for (LocaleVariable p = 0; p < _VARIABLE_LC_MAX; p++) {

const char *name;

name = locale_variable_to_string(p);

assert(name);

r = free_and_strdup(&c->locale[p], empty_to_null(getenv(name)));

if (r < 0)

return r;

}

}

locale_simplify(c->locale);

return 0;

}

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 locale_write_data(Context *c, char ***settings) {

_cleanup_strv_free_ char **l = NULL;

struct stat st;

int r;

/* Set values will be returned as strv in *settings on success. */

for (LocaleVariable p = 0; p < _VARIABLE_LC_MAX; p++)

if (!isempty(c->locale[p])) {

r = strv_env_assign(&l, locale_variable_to_string(p), c->locale[p]);

if (r < 0)

return r;

}

if (strv_isempty(l)) {

if (unlink("/etc/locale.conf") < 0)

return errno == ENOENT ? 0 : -errno;

c->locale_mtime = USEC_INFINITY;

return 0;

}

r = write_env_file_label("/etc/locale.conf", l);

if (r < 0)

return r;

*settings = TAKE_PTR(l);

if (stat("/etc/locale.conf", &st) >= 0)

c->locale_mtime = timespec_load(&st.st_mtim);

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

if (startswith_comma(c->x11_layout, a[1]))

matching = 5;

else {

_cleanup_free_ char *x = NULL;

/* If that didn't work, strip off the

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

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

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;

return false;

}

#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,

_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;

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;

line = strstrip(line);

if (strcaseeq_ptr(line, locale_entry))

return 1;

}

}

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)

return r;

}

if (!write_new) {

/* The config file ends with a line break, which we do not want to include before potentially appending a new locale

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 = strstrip(line);

if (isempty(line)) {

fputc('\n', fw);

first_line = false;

continue;

}

line_locale = line;

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;

return -EOPNOTSUPP;

}

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;

return -EOPNOTSUPP;

}