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-rw-r--r--src/locale/keymap-util.c724
1 files changed, 0 insertions, 724 deletions
diff --git a/src/locale/keymap-util.c b/src/locale/keymap-util.c
deleted file mode 100644
index a6bcd1ad54..0000000000
--- a/src/locale/keymap-util.c
+++ /dev/null
@@ -1,724 +0,0 @@
-/***
- This file is part of systemd.
-
- Copyright 2011 Lennart Poettering
- Copyright 2013 Kay Sievers
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include <errno.h>
-#include <string.h>
-#include <unistd.h>
-
-#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 *s == ',' || *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_free(Context *c) {
- context_free_locale(c);
- context_free_x11(c);
- context_free_vconsole(c);
-};
-
-void locale_simplify(Context *c) {
- int p;
-
- for (p = VARIABLE_LANG+1; p < _VARIABLE_LC_MAX; p++)
- if (isempty(c->locale[p]) || streq_ptr(c->locale[VARIABLE_LANG], c->locale[p]))
- c->locale[p] = mfree(c->locale[p]);
-}
-
-static int locale_read_data(Context *c) {
- int r;
-
- context_free_locale(c);
-
- r = parse_env_file("/etc/locale.conf", NEWLINE,
- "LANG", &c->locale[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],
- NULL);
-
- if (r == -ENOENT) {
- int p;
-
- /* 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;
- }
-
- r = 0;
- }
-
- locale_simplify(c);
- return r;
-}
-
-static int vconsole_read_data(Context *c) {
- int r;
-
- context_free_vconsole(c);
-
- r = parse_env_file("/etc/vconsole.conf", NEWLINE,
- "KEYMAP", &c->vc_keymap,
- "KEYMAP_TOGGLE", &c->vc_keymap_toggle,
- NULL);
-
- if (r < 0 && r != -ENOENT)
- return r;
-
- return 0;
-}
-
-static int x11_read_data(Context *c) {
- _cleanup_fclose_ FILE *f;
- char line[LINE_MAX];
- bool in_section = false;
- int r;
-
- context_free_x11(c);
-
- f = fopen("/etc/X11/xorg.conf.d/00-keyboard.conf", "re");
- if (!f)
- return errno == ENOENT ? 0 : -errno;
-
- while (fgets(line, sizeof(line), f)) {
- char *l;
-
- char_array_0(line);
- l = strstrip(line);
-
- if (l[0] == 0 || l[0] == '#')
- continue;
-
- if (in_section && first_word(l, "Option")) {
- _cleanup_strv_free_ char **a = NULL;
-
- r = strv_split_extract(&a, l, WHITESPACE, EXTRACT_QUOTES);
- if (r < 0)
- return r;
-
- if (strv_length(a) == 3) {
- char **p = NULL;
-
- if (streq(a[1], "XkbLayout"))
- p = &c->x11_layout;
- else if (streq(a[1], "XkbModel"))
- p = &c->x11_model;
- else if (streq(a[1], "XkbVariant"))
- p = &c->x11_variant;
- else if (streq(a[1], "XkbOptions"))
- p = &c->x11_options;
-
- if (p) {
- free(*p);
- *p = a[2];
- a[2] = NULL;
- }
- }
-
- } else if (!in_section && first_word(l, "Section")) {
- _cleanup_strv_free_ char **a = NULL;
-
- r = strv_split_extract(&a, l, WHITESPACE, EXTRACT_QUOTES);
- if (r < 0)
- return -ENOMEM;
-
- if (strv_length(a) == 2 && streq(a[1], "InputClass"))
- in_section = true;
-
- } else if (in_section && first_word(l, "EndSection"))
- in_section = false;
- }
-
- return 0;
-}
-
-int context_read_data(Context *c) {
- int r, q, p;
-
- r = locale_read_data(c);
- q = vconsole_read_data(c);
- p = x11_read_data(c);
-
- return r < 0 ? r : q < 0 ? q : p;
-}
-
-int locale_write_data(Context *c, char ***settings) {
- int r, p;
- _cleanup_strv_free_ char **l = NULL;
-
- /* Set values will be returned as strv in *settings on success. */
-
- r = load_env_file(NULL, "/etc/locale.conf", NULL, &l);
- if (r < 0 && r != -ENOENT)
- return r;
-
- for (p = 0; p < _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])) {
- l = strv_env_unset(l, name);
- 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(l);
- l = u;
- }
-
- if (strv_isempty(l)) {
- if (unlink("/etc/locale.conf") < 0)
- return errno == ENOENT ? 0 : -errno;
-
- return 0;
- }
-
- r = write_env_file_label("/etc/locale.conf", l);
- if (r < 0)
- return r;
-
- *settings = l;
- l = NULL;
- return 0;
-}
-
-int vconsole_write_data(Context *c) {
- int r;
- _cleanup_strv_free_ char **l = NULL;
-
- r = load_env_file(NULL, "/etc/vconsole.conf", NULL, &l);
- if (r < 0 && r != -ENOENT)
- return r;
-
- if (isempty(c->vc_keymap))
- l = strv_env_unset(l, "KEYMAP");
- else {
- _cleanup_free_ char *s = NULL;
- char **u;
-
- s = strappend("KEYMAP=", c->vc_keymap);
- if (!s)
- return -ENOMEM;
-
- u = strv_env_set(l, s);
- if (!u)
- return -ENOMEM;
-
- strv_free(l);
- l = u;
- }
-
- if (isempty(c->vc_keymap_toggle))
- l = strv_env_unset(l, "KEYMAP_TOGGLE");
- else {
- _cleanup_free_ char *s = NULL;
- char **u;
-
- s = strappend("KEYMAP_TOGGLE=", c->vc_keymap_toggle);
- if (!s)
- return -ENOMEM;
-
- u = strv_env_set(l, s);
- if (!u)
- return -ENOMEM;
-
- strv_free(l);
- l = u;
- }
-
- if (strv_isempty(l)) {
- if (unlink("/etc/vconsole.conf") < 0)
- return errno == ENOENT ? 0 : -errno;
-
- return 0;
- }
-
- return write_env_file_label("/etc/vconsole.conf", l);
-}
-
-int x11_write_data(Context *c) {
- _cleanup_fclose_ FILE *f = NULL;
- _cleanup_free_ char *temp_path = NULL;
- int r;
-
- if (isempty(c->x11_layout) &&
- isempty(c->x11_model) &&
- isempty(c->x11_variant) &&
- isempty(c->x11_options)) {
-
- if (unlink("/etc/X11/xorg.conf.d/00-keyboard.conf") < 0)
- return errno == ENOENT ? 0 : -errno;
-
- return 0;
- }
-
- mkdir_p_label("/etc/X11/xorg.conf.d", 0755);
-
- r = fopen_temporary("/etc/X11/xorg.conf.d/00-keyboard.conf", &f, &temp_path);
- if (r < 0)
- return r;
-
- fchmod(fileno(f), 0644);
-
- fputs("# Read and parsed by systemd-localed. It's probably wise not to edit this file\n"
- "# manually too freely.\n"
- "Section \"InputClass\"\n"
- " Identifier \"system-keyboard\"\n"
- " MatchIsKeyboard \"on\"\n", f);
-
- if (!isempty(c->x11_layout))
- fprintf(f, " Option \"XkbLayout\" \"%s\"\n", c->x11_layout);
-
- if (!isempty(c->x11_model))
- fprintf(f, " Option \"XkbModel\" \"%s\"\n", c->x11_model);
-
- if (!isempty(c->x11_variant))
- fprintf(f, " Option \"XkbVariant\" \"%s\"\n", c->x11_variant);
-
- if (!isempty(c->x11_options))
- fprintf(f, " Option \"XkbOptions\" \"%s\"\n", c->x11_options);
-
- fputs("EndSection\n", f);
-
- r = fflush_and_check(f);
- if (r < 0)
- goto fail;
-
- if (rename(temp_path, "/etc/X11/xorg.conf.d/00-keyboard.conf") < 0) {
- r = -errno;
- goto fail;
- }
-
- return 0;
-
-fail:
- (void) unlink("/etc/X11/xorg.conf.d/00-keyboard.conf");
-
- if (temp_path)
- (void) unlink(temp_path);
-
- return r;
-}
-
-static int read_next_mapping(const char* filename,
- unsigned min_fields, unsigned max_fields,
- FILE *f, unsigned *n, char ***a) {
- assert(f);
- assert(n);
- assert(a);
-
- for (;;) {
- char line[LINE_MAX];
- char *l, **b;
- int r;
- size_t length;
-
- errno = 0;
- if (!fgets(line, sizeof(line), f)) {
-
- if (ferror(f))
- return errno > 0 ? -errno : -EIO;
-
- return 0;
- }
-
- (*n)++;
-
- l = strstrip(line);
- if (l[0] == 0 || l[0] == '#')
- continue;
-
- r = strv_split_extract(&b, l, WHITESPACE, EXTRACT_QUOTES);
- if (r < 0)
- return r;
-
- length = strv_length(b);
- if (length < min_fields || length > max_fields) {
- log_error("Invalid line %s:%u, ignoring.", filename, *n);
- strv_free(b);
- continue;
-
- }
-
- *a = b;
- return 1;
- }
-}
-
-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, NULL);
- else
- n = strdup(x11_layout);
- if (!n)
- return -ENOMEM;
-
- NULSTR_FOREACH(dir, KBD_KEYMAP_DIRS) {
- _cleanup_free_ char *p = NULL, *pz = NULL;
- bool uncompressed;
-
- p = strjoin(dir, "xkb/", n, ".map", NULL);
- pz = strjoin(dir, "xkb/", n, ".map.gz", NULL);
- if (!p || !pz)
- return -ENOMEM;
-
- uncompressed = access(p, F_OK) == 0;
- if (uncompressed || access(pz, F_OK) == 0) {
- log_debug("Found converted keymap %s at %s",
- n, uncompressed ? p : pz);
-
- *new_keymap = n;
- n = NULL;
- return 1;
- }
- }
-
- return 0;
-}
-
-int find_legacy_keymap(Context *c, char **new_keymap) {
- const char *map;
- _cleanup_fclose_ FILE *f = 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(*new_keymap);
- *new_keymap = converted;
- }
- }
-
- return (bool) *new_keymap;
-}
-
-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 = a[1];
- a[1] = NULL;
- 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 {
- 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(c->vc_keymap);
- c->vc_keymap = new_keymap;
- c->vc_keymap_toggle = mfree(c->vc_keymap_toggle);
- modified = true;
- } else
- free(new_keymap);
- }
-
- if (modified)
- 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;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-01 12:39:15 +0000