[thirdparty/systemd.git] / src / locale / keymap-util.c

/* SPDX-License-Identifier: LGPL-2.1+ */

#include <errno.h>
#include <stdio_ext.h>
#include <string.h>
#include <unistd.h>

#include "def.h"
#include "env-util.h"
#include "fd-util.h"
#include "fileio-label.h"
#include "fileio.h"
#include "keymap-util.h"
#include "locale-util.h"
#include "macro.h"
#include "mkdir.h"
#include "string-util.h"
#include "strv.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* strnulldash(const char *s) {
        return isempty(s) || streq(s, "-") ? NULL : s;
}

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) {
        int p;

        for (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);
};

void locale_simplify(char *locale[_VARIABLE_LC_MAX]) {
        int p;

        for (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 {
                int p;

                c->locale_mtime = USEC_INFINITY;
                context_free_locale(c);

                /* Fill in what we got passed from systemd. */
                for (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;
        int r;

        /* 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);

        r = parse_env_file(NULL, "/etc/vconsole.conf",
                           "KEYMAP",        &c->vc_keymap,
                           "KEYMAP_TOGGLE", &c->vc_keymap_toggle);
        if (r < 0)
                return r;

        return 0;
}

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_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_and_replace(*p, a[2]);
                                }
                        }

                } 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;
}

int locale_write_data(Context *c, char ***settings) {
        _cleanup_strv_free_ char **l = NULL;
        struct stat st;
        int r, p;

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

        for (p = 0; p < _VARIABLE_LC_MAX; p++) {
                _cleanup_free_ char *t = NULL;
                char **u;
                const char *name;

                name = locale_variable_to_string(p);
                assert(name);

                if (isempty(c->locale[p]))
                        continue;

                if (asprintf(&t, "%s=%s", name, c->locale[p]) < 0)
                        return -ENOMEM;

                u = strv_env_set(l, t);
                if (!u)
                        return -ENOMEM;

                strv_free_and_replace(l, u);
        }

        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;

        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_and_replace(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_and_replace(l, u);
        }

        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;
        }

        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) __fsetlocking(f, FSETLOCKING_BYCALLER);
        (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_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;
        }

        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, 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 > 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;

        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  {
                                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_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("should not be here");
}

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;
}
Commit	Line	Data
53e1b683	1	/* SPDX-License-Identifier: LGPL-2.1+ */
4897d1dc ZJS	2
4897d1dc ZJS	3	#include <errno.h>
0d536673	4	#include <stdio_ext.h>
4897d1dc ZJS	5	#include <string.h>
	6	#include <unistd.h>
	7
	8	#include "def.h"
	9	#include "env-util.h"
	10	#include "fd-util.h"
	11	#include "fileio-label.h"
	12	#include "fileio.h"
	13	#include "keymap-util.h"
	14	#include "locale-util.h"
	15	#include "macro.h"
	16	#include "mkdir.h"
	17	#include "string-util.h"
	18	#include "strv.h"
	19
	20	static bool startswith_comma(const char s, const char prefix) {
5ad327dd ZJS	21	s = startswith(s, prefix);
	22	if (!s)
	23	return false;
4897d1dc	24
4c701096	25	return IN_SET(*s, ',', '\0');
4897d1dc ZJS	26	}
	27
	28	static const char* strnulldash(const char *s) {
	29	return isempty(s) \|\| streq(s, "-") ? NULL : s;
	30	}
	31
cabffaf8 ZJS	32	static const char* systemd_kbd_model_map(void) {
	33	const char* s;
	34
	35	s = getenv("SYSTEMD_KBD_MODEL_MAP");
	36	if (s)
	37	return s;
	38
	39	return SYSTEMD_KBD_MODEL_MAP;
	40	}
	41
	42	static const char* systemd_language_fallback_map(void) {
	43	const char* s;
	44
	45	s = getenv("SYSTEMD_LANGUAGE_FALLBACK_MAP");
	46	if (s)
	47	return s;
	48
	49	return SYSTEMD_LANGUAGE_FALLBACK_MAP;
	50	}
	51
4897d1dc ZJS	52	static void context_free_x11(Context *c) {
	53	c->x11_layout = mfree(c->x11_layout);
	54	c->x11_options = mfree(c->x11_options);
	55	c->x11_model = mfree(c->x11_model);
	56	c->x11_variant = mfree(c->x11_variant);
	57	}
	58
	59	static void context_free_vconsole(Context *c) {
	60	c->vc_keymap = mfree(c->vc_keymap);
	61	c->vc_keymap_toggle = mfree(c->vc_keymap_toggle);
	62	}
	63
	64	static void context_free_locale(Context *c) {
	65	int p;
	66
	67	for (p = 0; p < _VARIABLE_LC_MAX; p++)
	68	c->locale[p] = mfree(c->locale[p]);
	69	}
	70
6804d7a8	71	void context_clear(Context *c) {
4897d1dc ZJS	72	context_free_locale(c);
	73	context_free_x11(c);
	74	context_free_vconsole(c);
65d34266 YW	75
	76	sd_bus_message_unref(c->locale_cache);
	77	sd_bus_message_unref(c->x11_cache);
	78	sd_bus_message_unref(c->vc_cache);
4897d1dc ZJS	79	};
4897d1dc ZJS	80
df4fd2c7	81	void locale_simplify(char *locale[_VARIABLE_LC_MAX]) {
4897d1dc ZJS	82	int p;
	83
	84	for (p = VARIABLE_LANG+1; p < _VARIABLE_LC_MAX; p++)
df4fd2c7 YW	85	if (isempty(locale[p]) \|\| streq_ptr(locale[VARIABLE_LANG], locale[p]))
df4fd2c7 YW	86	locale[p] = mfree(locale[p]);
4897d1dc ZJS	87	}
4897d1dc ZJS	88
df4fd2c7 YW	89	int locale_read_data(Context c, sd_bus_message m) {
df4fd2c7 YW	90	struct stat st;
4897d1dc ZJS	91	int r;
4897d1dc ZJS	92
df4fd2c7	93	/* Do not try to re-read the file within single bus operation. */
65d34266 YW	94	if (m) {
	95	if (m == c->locale_cache)
	96	return 0;
4897d1dc	97
65d34266 YW	98	sd_bus_message_unref(c->locale_cache);
	99	c->locale_cache = sd_bus_message_ref(m);
	100	}
df4fd2c7 YW	101
	102	r = stat("/etc/locale.conf", &st);
	103	if (r < 0 && errno != ENOENT)
	104	return -errno;
	105
	106	if (r >= 0) {
	107	usec_t t;
	108
	109	/* If mtime is not changed, then we do not need to re-read the file. */
	110	t = timespec_load(&st.st_mtim);
	111	if (c->locale_mtime != USEC_INFINITY && t == c->locale_mtime)
	112	return 0;
4897d1dc	113
df4fd2c7 YW	114	c->locale_mtime = t;
	115	context_free_locale(c);
	116
aa8fbc74	117	r = parse_env_file(NULL, "/etc/locale.conf",
df4fd2c7 YW	118	"LANG", &c->locale[VARIABLE_LANG],
	119	"LANGUAGE", &c->locale[VARIABLE_LANGUAGE],
	120	"LC_CTYPE", &c->locale[VARIABLE_LC_CTYPE],
	121	"LC_NUMERIC", &c->locale[VARIABLE_LC_NUMERIC],
	122	"LC_TIME", &c->locale[VARIABLE_LC_TIME],
	123	"LC_COLLATE", &c->locale[VARIABLE_LC_COLLATE],
	124	"LC_MONETARY", &c->locale[VARIABLE_LC_MONETARY],
	125	"LC_MESSAGES", &c->locale[VARIABLE_LC_MESSAGES],
	126	"LC_PAPER", &c->locale[VARIABLE_LC_PAPER],
	127	"LC_NAME", &c->locale[VARIABLE_LC_NAME],
	128	"LC_ADDRESS", &c->locale[VARIABLE_LC_ADDRESS],
	129	"LC_TELEPHONE", &c->locale[VARIABLE_LC_TELEPHONE],
	130	"LC_MEASUREMENT", &c->locale[VARIABLE_LC_MEASUREMENT],
13df9c39	131	"LC_IDENTIFICATION", &c->locale[VARIABLE_LC_IDENTIFICATION]);
df4fd2c7 YW	132	if (r < 0)
	133	return r;
	134	} else {
4897d1dc ZJS	135	int p;
4897d1dc ZJS	136
df4fd2c7 YW	137	c->locale_mtime = USEC_INFINITY;
	138	context_free_locale(c);
	139
4897d1dc ZJS	140	/* Fill in what we got passed from systemd. */
	141	for (p = 0; p < _VARIABLE_LC_MAX; p++) {
	142	const char *name;
	143
	144	name = locale_variable_to_string(p);
	145	assert(name);
	146
	147	r = free_and_strdup(&c->locale[p], empty_to_null(getenv(name)));
	148	if (r < 0)
	149	return r;
	150	}
4897d1dc ZJS	151	}
4897d1dc ZJS	152
df4fd2c7 YW	153	locale_simplify(c->locale);
df4fd2c7 YW	154	return 0;
4897d1dc ZJS	155	}
4897d1dc ZJS	156
df4fd2c7 YW	157	int vconsole_read_data(Context c, sd_bus_message m) {
	158	struct stat st;
	159	usec_t t;
4897d1dc ZJS	160	int r;
4897d1dc ZJS	161
df4fd2c7	162	/* Do not try to re-read the file within single bus operation. */
65d34266 YW	163	if (m) {
	164	if (m == c->vc_cache)
	165	return 0;
df4fd2c7	166
65d34266 YW	167	sd_bus_message_unref(c->vc_cache);
	168	c->vc_cache = sd_bus_message_ref(m);
	169	}
df4fd2c7 YW	170
	171	if (stat("/etc/vconsole.conf", &st) < 0) {
	172	if (errno != ENOENT)
	173	return -errno;
	174
	175	c->vc_mtime = USEC_INFINITY;
	176	context_free_vconsole(c);
	177	return 0;
	178	}
	179
	180	/* If mtime is not changed, then we do not need to re-read */
	181	t = timespec_load(&st.st_mtim);
	182	if (c->vc_mtime != USEC_INFINITY && t == c->vc_mtime)
	183	return 0;
	184
	185	c->vc_mtime = t;
4897d1dc ZJS	186	context_free_vconsole(c);
4897d1dc ZJS	187
aa8fbc74	188	r = parse_env_file(NULL, "/etc/vconsole.conf",
4897d1dc	189	"KEYMAP", &c->vc_keymap,
13df9c39	190	"KEYMAP_TOGGLE", &c->vc_keymap_toggle);
df4fd2c7	191	if (r < 0)
4897d1dc ZJS	192	return r;
	193
	194	return 0;
	195	}
	196
df4fd2c7 YW	197	int x11_read_data(Context c, sd_bus_message m) {
df4fd2c7 YW	198	_cleanup_fclose_ FILE *f = NULL;
4897d1dc	199	bool in_section = false;
df4fd2c7 YW	200	struct stat st;
df4fd2c7 YW	201	usec_t t;
4897d1dc ZJS	202	int r;
4897d1dc ZJS	203
df4fd2c7	204	/* Do not try to re-read the file within single bus operation. */
65d34266 YW	205	if (m) {
	206	if (m == c->x11_cache)
	207	return 0;
df4fd2c7	208
65d34266 YW	209	sd_bus_message_unref(c->x11_cache);
	210	c->x11_cache = sd_bus_message_ref(m);
	211	}
df4fd2c7 YW	212
	213	if (stat("/etc/X11/xorg.conf.d/00-keyboard.conf", &st) < 0) {
	214	if (errno != ENOENT)
	215	return -errno;
	216
	217	c->x11_mtime = USEC_INFINITY;
	218	context_free_x11(c);
	219	return 0;
	220	}
	221
	222	/* If mtime is not changed, then we do not need to re-read */
	223	t = timespec_load(&st.st_mtim);
	224	if (c->x11_mtime != USEC_INFINITY && t == c->x11_mtime)
	225	return 0;
	226
	227	c->x11_mtime = t;
4897d1dc ZJS	228	context_free_x11(c);
	229
	230	f = fopen("/etc/X11/xorg.conf.d/00-keyboard.conf", "re");
	231	if (!f)
df4fd2c7	232	return -errno;
4897d1dc	233
1d47b569 LP	234	for (;;) {
1d47b569 LP	235	_cleanup_free_ char *line = NULL;
4897d1dc ZJS	236	char *l;
4897d1dc ZJS	237
1d47b569 LP	238	r = read_line(f, LONG_LINE_MAX, &line);
	239	if (r < 0)
	240	return r;
	241	if (r == 0)
	242	break;
4897d1dc	243
1d47b569	244	l = strstrip(line);
4c701096	245	if (IN_SET(l[0], 0, '#'))
4897d1dc ZJS	246	continue;
	247
	248	if (in_section && first_word(l, "Option")) {
	249	_cleanup_strv_free_ char **a = NULL;
	250
	251	r = strv_split_extract(&a, l, WHITESPACE, EXTRACT_QUOTES);
	252	if (r < 0)
	253	return r;
	254
	255	if (strv_length(a) == 3) {
	256	char **p = NULL;
	257
	258	if (streq(a[1], "XkbLayout"))
	259	p = &c->x11_layout;
	260	else if (streq(a[1], "XkbModel"))
	261	p = &c->x11_model;
	262	else if (streq(a[1], "XkbVariant"))
	263	p = &c->x11_variant;
	264	else if (streq(a[1], "XkbOptions"))
	265	p = &c->x11_options;
	266
	267	if (p) {
f9ecfd3b	268	free_and_replace(*p, a[2]);
4897d1dc ZJS	269	}
	270	}
	271
	272	} else if (!in_section && first_word(l, "Section")) {
	273	_cleanup_strv_free_ char **a = NULL;
	274
	275	r = strv_split_extract(&a, l, WHITESPACE, EXTRACT_QUOTES);
	276	if (r < 0)
	277	return -ENOMEM;
	278
	279	if (strv_length(a) == 2 && streq(a[1], "InputClass"))
	280	in_section = true;
	281
	282	} else if (in_section && first_word(l, "EndSection"))
	283	in_section = false;
	284	}
	285
	286	return 0;
	287	}
	288
4897d1dc	289	int locale_write_data(Context c, char **settings) {
4897d1dc	290	_cleanup_strv_free_ char **l = NULL;
df4fd2c7 YW	291	struct stat st;
df4fd2c7 YW	292	int r, p;
4897d1dc ZJS	293
	294	/* Set values will be returned as strv in settings on success. /
	295
4897d1dc ZJS	296	for (p = 0; p < _VARIABLE_LC_MAX; p++) {
	297	_cleanup_free_ char *t = NULL;
	298	char **u;
	299	const char *name;
	300
	301	name = locale_variable_to_string(p);
	302	assert(name);
	303
df4fd2c7	304	if (isempty(c->locale[p]))
4897d1dc	305	continue;
4897d1dc ZJS	306
	307	if (asprintf(&t, "%s=%s", name, c->locale[p]) < 0)
	308	return -ENOMEM;
	309
	310	u = strv_env_set(l, t);
	311	if (!u)
	312	return -ENOMEM;
	313
130d3d22	314	strv_free_and_replace(l, u);
4897d1dc ZJS	315	}
	316
	317	if (strv_isempty(l)) {
	318	if (unlink("/etc/locale.conf") < 0)
	319	return errno == ENOENT ? 0 : -errno;
	320
df4fd2c7	321	c->locale_mtime = USEC_INFINITY;
4897d1dc ZJS	322	return 0;
	323	}
	324
	325	r = write_env_file_label("/etc/locale.conf", l);
	326	if (r < 0)
	327	return r;
	328
ae2a15bc	329	*settings = TAKE_PTR(l);
df4fd2c7 YW	330
	331	if (stat("/etc/locale.conf", &st) >= 0)
	332	c->locale_mtime = timespec_load(&st.st_mtim);
	333
4897d1dc ZJS	334	return 0;
	335	}
	336
	337	int vconsole_write_data(Context *c) {
4897d1dc	338	_cleanup_strv_free_ char **l = NULL;
df4fd2c7 YW	339	struct stat st;
df4fd2c7 YW	340	int r;
4897d1dc	341
aa8fbc74	342	r = load_env_file(NULL, "/etc/vconsole.conf", &l);
4897d1dc ZJS	343	if (r < 0 && r != -ENOENT)
	344	return r;
	345
	346	if (isempty(c->vc_keymap))
	347	l = strv_env_unset(l, "KEYMAP");
	348	else {
	349	_cleanup_free_ char *s = NULL;
	350	char **u;
	351
	352	s = strappend("KEYMAP=", c->vc_keymap);
	353	if (!s)
	354	return -ENOMEM;
	355
	356	u = strv_env_set(l, s);
	357	if (!u)
	358	return -ENOMEM;
	359
130d3d22	360	strv_free_and_replace(l, u);
4897d1dc ZJS	361	}
	362
	363	if (isempty(c->vc_keymap_toggle))
	364	l = strv_env_unset(l, "KEYMAP_TOGGLE");
	365	else {
	366	_cleanup_free_ char *s = NULL;
	367	char **u;
	368
	369	s = strappend("KEYMAP_TOGGLE=", c->vc_keymap_toggle);
	370	if (!s)
	371	return -ENOMEM;
	372
	373	u = strv_env_set(l, s);
	374	if (!u)
	375	return -ENOMEM;
	376
130d3d22	377	strv_free_and_replace(l, u);
4897d1dc ZJS	378	}
	379
	380	if (strv_isempty(l)) {
	381	if (unlink("/etc/vconsole.conf") < 0)
	382	return errno == ENOENT ? 0 : -errno;
	383
df4fd2c7	384	c->vc_mtime = USEC_INFINITY;
4897d1dc ZJS	385	return 0;
	386	}
	387
df4fd2c7 YW	388	r = write_env_file_label("/etc/vconsole.conf", l);
	389	if (r < 0)
	390	return r;
	391
	392	if (stat("/etc/vconsole.conf", &st) >= 0)
	393	c->vc_mtime = timespec_load(&st.st_mtim);
	394
	395	return 0;
4897d1dc ZJS	396	}
	397
	398	int x11_write_data(Context *c) {
	399	_cleanup_fclose_ FILE *f = NULL;
	400	_cleanup_free_ char *temp_path = NULL;
df4fd2c7	401	struct stat st;
4897d1dc ZJS	402	int r;
	403
	404	if (isempty(c->x11_layout) &&
	405	isempty(c->x11_model) &&
	406	isempty(c->x11_variant) &&
	407	isempty(c->x11_options)) {
	408
	409	if (unlink("/etc/X11/xorg.conf.d/00-keyboard.conf") < 0)
	410	return errno == ENOENT ? 0 : -errno;
	411
df4fd2c7	412	c->vc_mtime = USEC_INFINITY;
4897d1dc ZJS	413	return 0;
	414	}
	415
	416	mkdir_p_label("/etc/X11/xorg.conf.d", 0755);
	417
	418	r = fopen_temporary("/etc/X11/xorg.conf.d/00-keyboard.conf", &f, &temp_path);
	419	if (r < 0)
	420	return r;
	421
0d536673 LP	422	(void) __fsetlocking(f, FSETLOCKING_BYCALLER);
0d536673 LP	423	(void) fchmod(fileno(f), 0644);
4897d1dc	424
0d536673 LP	425	fputs("# Written by systemd-localed(8), read by systemd-localed and Xorg. It's\n"
	426	"# probably wise not to edit this file manually. Use localectl(1) to\n"
	427	"# instruct systemd-localed to update it.\n"
	428	"Section \"InputClass\"\n"
	429	" Identifier \"system-keyboard\"\n"
	430	" MatchIsKeyboard \"on\"\n", f);
4897d1dc ZJS	431
	432	if (!isempty(c->x11_layout))
	433	fprintf(f, " Option \"XkbLayout\" \"%s\"\n", c->x11_layout);
	434
	435	if (!isempty(c->x11_model))
	436	fprintf(f, " Option \"XkbModel\" \"%s\"\n", c->x11_model);
	437
	438	if (!isempty(c->x11_variant))
	439	fprintf(f, " Option \"XkbVariant\" \"%s\"\n", c->x11_variant);
	440
	441	if (!isempty(c->x11_options))
	442	fprintf(f, " Option \"XkbOptions\" \"%s\"\n", c->x11_options);
	443
0d536673	444	fputs("EndSection\n", f);
4897d1dc	445
0675e94a	446	r = fflush_sync_and_check(f);
4897d1dc ZJS	447	if (r < 0)
	448	goto fail;
	449
	450	if (rename(temp_path, "/etc/X11/xorg.conf.d/00-keyboard.conf") < 0) {
	451	r = -errno;
	452	goto fail;
	453	}
	454
df4fd2c7 YW	455	if (stat("/etc/X11/xorg.conf.d/00-keyboard.conf", &st) >= 0)
	456	c->x11_mtime = timespec_load(&st.st_mtim);
	457
4897d1dc ZJS	458	return 0;
	459
	460	fail:
4897d1dc ZJS	461	if (temp_path)
	462	(void) unlink(temp_path);
	463
	464	return r;
	465	}
	466
	467	static int read_next_mapping(const char* filename,
	468	unsigned min_fields, unsigned max_fields,
	469	FILE f, unsigned n, char ***a) {
	470	assert(f);
	471	assert(n);
	472	assert(a);
	473
	474	for (;;) {
1d47b569 LP	475	_cleanup_free_ char *line = NULL;
1d47b569 LP	476	size_t length;
4897d1dc ZJS	477	char l, *b;
4897d1dc ZJS	478	int r;
4897d1dc	479
1d47b569 LP	480	r = read_line(f, LONG_LINE_MAX, &line);
	481	if (r < 0)
	482	return r;
	483	if (r == 0)
	484	break;
4897d1dc ZJS	485
	486	(*n)++;
	487
	488	l = strstrip(line);
4c701096	489	if (IN_SET(l[0], 0, '#'))
4897d1dc ZJS	490	continue;
	491
	492	r = strv_split_extract(&b, l, WHITESPACE, EXTRACT_QUOTES);
	493	if (r < 0)
	494	return r;
	495
	496	length = strv_length(b);
	497	if (length < min_fields \|\| length > max_fields) {
	498	log_error("Invalid line %s:%u, ignoring.", filename, *n);
	499	strv_free(b);
	500	continue;
	501
	502	}
	503
	504	*a = b;
	505	return 1;
	506	}
1d47b569 LP	507
1d47b569 LP	508	return 0;
4897d1dc ZJS	509	}
	510
	511	int vconsole_convert_to_x11(Context *c) {
cabffaf8	512	const char *map;
6f3287b3	513	int modified = -1;
4897d1dc	514
cabffaf8 ZJS	515	map = systemd_kbd_model_map();
cabffaf8 ZJS	516
4897d1dc	517	if (isempty(c->vc_keymap)) {
4897d1dc ZJS	518	modified =
	519	!isempty(c->x11_layout) \|\|
	520	!isempty(c->x11_model) \|\|
	521	!isempty(c->x11_variant) \|\|
	522	!isempty(c->x11_options);
	523
	524	context_free_x11(c);
	525	} else {
	526	_cleanup_fclose_ FILE *f = NULL;
	527	unsigned n = 0;
	528
cabffaf8	529	f = fopen(map, "re");
4897d1dc ZJS	530	if (!f)
	531	return -errno;
	532
	533	for (;;) {
	534	_cleanup_strv_free_ char **a = NULL;
	535	int r;
	536
cabffaf8	537	r = read_next_mapping(map, 5, UINT_MAX, f, &n, &a);
4897d1dc ZJS	538	if (r < 0)
	539	return r;
	540	if (r == 0)
	541	break;
	542
	543	if (!streq(c->vc_keymap, a[0]))
	544	continue;
	545
	546	if (!streq_ptr(c->x11_layout, strnulldash(a[1])) \|\|
	547	!streq_ptr(c->x11_model, strnulldash(a[2])) \|\|
	548	!streq_ptr(c->x11_variant, strnulldash(a[3])) \|\|
	549	!streq_ptr(c->x11_options, strnulldash(a[4]))) {
	550
	551	if (free_and_strdup(&c->x11_layout, strnulldash(a[1])) < 0 \|\|
	552	free_and_strdup(&c->x11_model, strnulldash(a[2])) < 0 \|\|
	553	free_and_strdup(&c->x11_variant, strnulldash(a[3])) < 0 \|\|
	554	free_and_strdup(&c->x11_options, strnulldash(a[4])) < 0)
	555	return -ENOMEM;
	556
	557	modified = true;
	558	}
	559
	560	break;
	561	}
	562	}
	563
6f3287b3	564	if (modified > 0)
4897d1dc ZJS	565	log_info("Changing X11 keyboard layout to '%s' model '%s' variant '%s' options '%s'",
	566	strempty(c->x11_layout),
	567	strempty(c->x11_model),
	568	strempty(c->x11_variant),
	569	strempty(c->x11_options));
6f3287b3 ZJS	570	else if (modified < 0)
	571	log_notice("X11 keyboard layout was not modified: no conversion found for \"%s\".",
	572	c->vc_keymap);
4897d1dc	573	else
6f3287b3	574	log_debug("X11 keyboard layout did not need to be modified.");
4897d1dc	575
6f3287b3	576	return modified > 0;
4897d1dc ZJS	577	}
	578
	579	int find_converted_keymap(const char x11_layout, const char x11_variant, char **new_keymap) {
	580	const char *dir;
	581	_cleanup_free_ char *n;
	582
	583	if (x11_variant)
605405c6	584	n = strjoin(x11_layout, "-", x11_variant);
4897d1dc ZJS	585	else
	586	n = strdup(x11_layout);
	587	if (!n)
	588	return -ENOMEM;
	589
	590	NULSTR_FOREACH(dir, KBD_KEYMAP_DIRS) {
	591	_cleanup_free_ char p = NULL, pz = NULL;
	592	bool uncompressed;
	593
605405c6 ZJS	594	p = strjoin(dir, "xkb/", n, ".map");
605405c6 ZJS	595	pz = strjoin(dir, "xkb/", n, ".map.gz");
4897d1dc ZJS	596	if (!p \|\| !pz)
	597	return -ENOMEM;
	598
	599	uncompressed = access(p, F_OK) == 0;
	600	if (uncompressed \|\| access(pz, F_OK) == 0) {
	601	log_debug("Found converted keymap %s at %s",
	602	n, uncompressed ? p : pz);
	603
ae2a15bc	604	*new_keymap = TAKE_PTR(n);
4897d1dc ZJS	605	return 1;
	606	}
	607	}
	608
	609	return 0;
	610	}
	611
6a6e9c03	612	int find_legacy_keymap(Context c, char *ret) {
cabffaf8 ZJS	613	const char *map;
cabffaf8 ZJS	614	_cleanup_fclose_ FILE *f = NULL;
6a6e9c03	615	_cleanup_free_ char *new_keymap = NULL;
4897d1dc ZJS	616	unsigned n = 0;
	617	unsigned best_matching = 0;
	618	int r;
	619
5ad327dd ZJS	620	assert(!isempty(c->x11_layout));
5ad327dd ZJS	621
cabffaf8 ZJS	622	map = systemd_kbd_model_map();
	623
	624	f = fopen(map, "re");
4897d1dc ZJS	625	if (!f)
	626	return -errno;
	627
	628	for (;;) {
	629	_cleanup_strv_free_ char **a = NULL;
	630	unsigned matching = 0;
	631
cabffaf8	632	r = read_next_mapping(map, 5, UINT_MAX, f, &n, &a);
4897d1dc ZJS	633	if (r < 0)
	634	return r;
	635	if (r == 0)
	636	break;
	637
	638	/* Determine how well matching this entry is */
5ad327dd	639	if (streq(c->x11_layout, a[1]))
4897d1dc ZJS	640	/* If we got an exact match, this is best */
	641	matching = 10;
	642	else {
	643	/* We have multiple X layouts, look for an
	644	* entry that matches our key with everything
	645	* but the first layout stripped off. */
	646	if (startswith_comma(c->x11_layout, a[1]))
	647	matching = 5;
	648	else {
	649	char *x;
	650
	651	/* If that didn't work, strip off the
	652	* other layouts from the entry, too */
	653	x = strndupa(a[1], strcspn(a[1], ","));
	654	if (startswith_comma(c->x11_layout, x))
	655	matching = 1;
	656	}
	657	}
	658
	659	if (matching > 0) {
	660	if (isempty(c->x11_model) \|\| streq_ptr(c->x11_model, a[2])) {
	661	matching++;
	662
	663	if (streq_ptr(c->x11_variant, a[3])) {
	664	matching++;
	665
	666	if (streq_ptr(c->x11_options, a[4]))
	667	matching++;
	668	}
	669	}
	670	}
	671
	672	/* The best matching entry so far, then let's save that */
	673	if (matching >= MAX(best_matching, 1u)) {
	674	log_debug("Found legacy keymap %s with score %u",
	675	a[0], matching);
	676
	677	if (matching > best_matching) {
	678	best_matching = matching;
	679
6a6e9c03	680	r = free_and_strdup(&new_keymap, a[0]);
4897d1dc ZJS	681	if (r < 0)
	682	return r;
	683	}
	684	}
	685	}
	686
	687	if (best_matching < 10 && c->x11_layout) {
	688	/* The best match is only the first part of the X11
	689	* keymap. Check if we have a converted map which
	690	* matches just the first layout.
	691	*/
	692	char l, v = NULL, *converted;
	693
	694	l = strndupa(c->x11_layout, strcspn(c->x11_layout, ","));
	695	if (c->x11_variant)
	696	v = strndupa(c->x11_variant, strcspn(c->x11_variant, ","));
	697	r = find_converted_keymap(l, v, &converted);
	698	if (r < 0)
	699	return r;
6a6e9c03 ZJS	700	if (r > 0)
6a6e9c03 ZJS	701	free_and_replace(new_keymap, converted);
4897d1dc ZJS	702	}
4897d1dc ZJS	703
6a6e9c03 ZJS	704	*ret = TAKE_PTR(new_keymap);
6a6e9c03 ZJS	705	return (bool) *ret;
4897d1dc ZJS	706	}
	707
	708	int find_language_fallback(const char lang, char *language) {
cabffaf8	709	const char *map;
4897d1dc ZJS	710	_cleanup_fclose_ FILE *f = NULL;
	711	unsigned n = 0;
	712
aa63b56f	713	assert(lang);
4897d1dc ZJS	714	assert(language);
4897d1dc ZJS	715
cabffaf8 ZJS	716	map = systemd_language_fallback_map();
	717
	718	f = fopen(map, "re");
4897d1dc ZJS	719	if (!f)
	720	return -errno;
	721
	722	for (;;) {
	723	_cleanup_strv_free_ char **a = NULL;
	724	int r;
	725
cabffaf8	726	r = read_next_mapping(map, 2, 2, f, &n, &a);
4897d1dc ZJS	727	if (r <= 0)
	728	return r;
	729
	730	if (streq(lang, a[0])) {
	731	assert(strv_length(a) == 2);
1cc6c93a	732	*language = TAKE_PTR(a[1]);
4897d1dc ZJS	733	return 1;
	734	}
	735	}
	736
	737	assert_not_reached("should not be here");
	738	}
	739
	740	int x11_convert_to_vconsole(Context *c) {
	741	bool modified = false;
	742
	743	if (isempty(c->x11_layout)) {
4897d1dc ZJS	744	modified =
	745	!isempty(c->vc_keymap) \|\|
	746	!isempty(c->vc_keymap_toggle);
	747
aa63b56f	748	context_free_vconsole(c);
4897d1dc	749	} else {
6a837b03	750	_cleanup_free_ char *new_keymap = NULL;
4897d1dc ZJS	751	int r;
	752
	753	r = find_converted_keymap(c->x11_layout, c->x11_variant, &new_keymap);
	754	if (r < 0)
	755	return r;
	756	else if (r == 0) {
	757	r = find_legacy_keymap(c, &new_keymap);
	758	if (r < 0)
	759	return r;
	760	}
5ad327dd ZJS	761	if (r == 0)
	762	/* We search for layout-variant match first, but then we also look
	763	* for anything which matches just the layout. So it's accurate to say
	764	* that we couldn't find anything which matches the layout. */
	765	log_notice("No conversion to virtual console map found for \"%s\".",
	766	c->x11_layout);
4897d1dc ZJS	767
4897d1dc ZJS	768	if (!streq_ptr(c->vc_keymap, new_keymap)) {
6a837b03	769	free_and_replace(c->vc_keymap, new_keymap);
4897d1dc ZJS	770	c->vc_keymap_toggle = mfree(c->vc_keymap_toggle);
4897d1dc ZJS	771	modified = true;
6a837b03	772	}
4897d1dc ZJS	773	}
	774
	775	if (modified)
	776	log_info("Changing virtual console keymap to '%s' toggle '%s'",
	777	strempty(c->vc_keymap), strempty(c->vc_keymap_toggle));
	778	else
	779	log_debug("Virtual console keymap was not modified.");
	780
	781	return modified;
	782	}