/*-*- 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/>. ***/ #pragma once #include "hashmap.h" #include "in-addr-util.h" #define DNS_LABEL_MAX 63 #define DNS_NAME_MAX 255 int dns_label_unescape(const char **name, char *dest, size_t sz); int dns_label_unescape_suffix(const char *name, const char **label_end, char *dest, size_t sz); int dns_label_escape(const char *p, size_t l, char **ret); int dns_label_apply_idna(const char *encoded, size_t encoded_size, char *decoded, size_t decoded_max); int dns_label_undo_idna(const char *encoded, size_t encoded_size, char *decoded, size_t decoded_max); int dns_name_concat(const char *a, const char *b, char **ret); static inline int dns_name_normalize(const char *s, char **ret) { /* dns_name_concat() normalizes as a side-effect */ return dns_name_concat(s, NULL, ret); } static inline int dns_name_is_valid(const char *s) { int r; /* dns_name_normalize() verifies as a side effect */ r = dns_name_normalize(s, NULL); if (r == -EINVAL) return 0; if (r < 0) return r; return 1; } unsigned long dns_name_hash_func(const void *s, const uint8_t hash_key[HASH_KEY_SIZE]); int dns_name_compare_func(const void *a, const void *b); extern const struct hash_ops dns_name_hash_ops; int dns_name_between(const char *a, const char *b, const char *c); int dns_name_equal(const char *x, const char *y); int dns_name_endswith(const char *name, const char *suffix); int dns_name_reverse(int family, const union in_addr_union *a, char **ret); int dns_name_address(const char *p, int *family, union in_addr_union *a); int dns_name_root(const char *name); int dns_name_single_label(const char *name);