diff options
Diffstat (limited to 'src/shared/locale-util.c')
| -rw-r--r-- | src/shared/locale-util.c | 224 |
1 files changed, 0 insertions, 224 deletions
diff --git a/src/shared/locale-util.c b/src/shared/locale-util.c deleted file mode 100644 index 61db9a8125..0000000000 --- a/src/shared/locale-util.c +++ /dev/null @@ -1,224 +0,0 @@ -/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ - -/*** - This file is part of systemd. - - Copyright 2014 Lennart Poettering - - 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 <sys/mman.h> - -#include "set.h" -#include "util.h" -#include "utf8.h" -#include "strv.h" - -#include "locale-util.h" - -static int add_locales_from_archive(Set *locales) { - /* Stolen from glibc... */ - - struct locarhead { - uint32_t magic; - /* Serial number. */ - uint32_t serial; - /* Name hash table. */ - uint32_t namehash_offset; - uint32_t namehash_used; - uint32_t namehash_size; - /* String table. */ - uint32_t string_offset; - uint32_t string_used; - uint32_t string_size; - /* Table with locale records. */ - uint32_t locrectab_offset; - uint32_t locrectab_used; - uint32_t locrectab_size; - /* MD5 sum hash table. */ - uint32_t sumhash_offset; - uint32_t sumhash_used; - uint32_t sumhash_size; - }; - - struct namehashent { - /* Hash value of the name. */ - uint32_t hashval; - /* Offset of the name in the string table. */ - uint32_t name_offset; - /* Offset of the locale record. */ - uint32_t locrec_offset; - }; - - const struct locarhead *h; - const struct namehashent *e; - const void *p = MAP_FAILED; - _cleanup_close_ int fd = -1; - size_t sz = 0; - struct stat st; - unsigned i; - int r; - - fd = open("/usr/lib/locale/locale-archive", O_RDONLY|O_NOCTTY|O_CLOEXEC); - if (fd < 0) - return errno == ENOENT ? 0 : -errno; - - if (fstat(fd, &st) < 0) - return -errno; - - if (!S_ISREG(st.st_mode)) - return -EBADMSG; - - if (st.st_size < (off_t) sizeof(struct locarhead)) - return -EBADMSG; - - p = mmap(NULL, st.st_size, PROT_READ, MAP_SHARED, fd, 0); - if (p == MAP_FAILED) - return -errno; - - h = (const struct locarhead *) p; - if (h->magic != 0xde020109 || - h->namehash_offset + h->namehash_size > st.st_size || - h->string_offset + h->string_size > st.st_size || - h->locrectab_offset + h->locrectab_size > st.st_size || - h->sumhash_offset + h->sumhash_size > st.st_size) { - r = -EBADMSG; - goto finish; - } - - e = (const struct namehashent*) ((const uint8_t*) p + h->namehash_offset); - for (i = 0; i < h->namehash_size; i++) { - char *z; - - if (e[i].locrec_offset == 0) - continue; - - if (!utf8_is_valid((char*) p + e[i].name_offset)) - continue; - - z = strdup((char*) p + e[i].name_offset); - if (!z) { - r = -ENOMEM; - goto finish; - } - - r = set_consume(locales, z); - if (r < 0) - goto finish; - } - - r = 0; - - finish: - if (p != MAP_FAILED) - munmap((void*) p, sz); - - return r; -} - -static int add_locales_from_libdir (Set *locales) { - _cleanup_closedir_ DIR *dir = NULL; - struct dirent *entry; - int r; - - dir = opendir("/usr/lib/locale"); - if (!dir) - return errno == ENOENT ? 0 : -errno; - - FOREACH_DIRENT(entry, dir, return -errno) { - char *z; - - if (entry->d_type != DT_DIR) - continue; - - z = strdup(entry->d_name); - if (!z) - return -ENOMEM; - - r = set_consume(locales, z); - if (r < 0 && r != -EEXIST) - return r; - } - - return 0; -} - -int get_locales(char ***ret) { - _cleanup_set_free_ Set *locales = NULL; - _cleanup_strv_free_ char **l = NULL; - int r; - - locales = set_new(&string_hash_ops); - if (!locales) - return -ENOMEM; - - r = add_locales_from_archive(locales); - if (r < 0 && r != -ENOENT) - return r; - - r = add_locales_from_libdir(locales); - if (r < 0) - return r; - - l = set_get_strv(locales); - if (!l) - return -ENOMEM; - - strv_sort(l); - - *ret = l; - l = NULL; - - return 0; -} - -bool locale_is_valid(const char *name) { - - if (isempty(name)) - return false; - - if (strlen(name) >= 128) - return false; - - if (!utf8_is_valid(name)) - return false; - - if (!filename_is_valid(name)) - return false; - - if (!string_is_safe(name)) - return false; - - return true; -} - -static const char * const locale_variable_table[_VARIABLE_LC_MAX] = { - [VARIABLE_LANG] = "LANG", - [VARIABLE_LANGUAGE] = "LANGUAGE", - [VARIABLE_LC_CTYPE] = "LC_CTYPE", - [VARIABLE_LC_NUMERIC] = "LC_NUMERIC", - [VARIABLE_LC_TIME] = "LC_TIME", - [VARIABLE_LC_COLLATE] = "LC_COLLATE", - [VARIABLE_LC_MONETARY] = "LC_MONETARY", - [VARIABLE_LC_MESSAGES] = "LC_MESSAGES", - [VARIABLE_LC_PAPER] = "LC_PAPER", - [VARIABLE_LC_NAME] = "LC_NAME", - [VARIABLE_LC_ADDRESS] = "LC_ADDRESS", - [VARIABLE_LC_TELEPHONE] = "LC_TELEPHONE", - [VARIABLE_LC_MEASUREMENT] = "LC_MEASUREMENT", - [VARIABLE_LC_IDENTIFICATION] = "LC_IDENTIFICATION" -}; - -DEFINE_STRING_TABLE_LOOKUP(locale_variable, LocaleVariable); |