bdf10b5b4d
Make sure we format UTF-8 labels as IDNA when writing them to DNS packets, and as native UTF-8 when writing them to mDNS or LLMNR packets. When comparing or processing labels always consider native UTF-8 and IDNA formats equivalent.
49 lines
1.7 KiB
C
49 lines
1.7 KiB
C
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
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/***
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This file is part of systemd.
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Copyright 2014 Lennart Poettering
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include <sys/types.h>
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#include "hashmap.h"
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#include "in-addr-util.h"
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#define DNS_LABEL_MAX 63
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#define DNS_NAME_MAX 255
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int dns_label_unescape(const char **name, char *dest, size_t sz);
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int dns_label_escape(const char *p, size_t l, char **ret);
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int dns_label_apply_idna(const char *encoded, size_t encoded_size, char *decoded, size_t decoded_max);
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int dns_label_undo_idna(const char *encoded, size_t encoded_size, char *decoded, size_t decoded_max);
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int dns_name_normalize(const char *s, char **_ret);
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unsigned long dns_name_hash_func(const void *s, const uint8_t hash_key[HASH_KEY_SIZE]);
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int dns_name_compare_func(const void *a, const void *b);
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int dns_name_equal(const char *x, const char *y);
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int dns_name_endswith(const char *name, const char *suffix);
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int dns_name_reverse(int family, const union in_addr_union *a, char **ret);
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int dns_name_address(const char *p, int *family, union in_addr_union *a);
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int dns_name_root(const char *name);
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int dns_name_single_label(const char *name);
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