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Diffstat (limited to '')
-rw-r--r-- | src/libdnssec/shared/dname.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/src/libdnssec/shared/dname.h b/src/libdnssec/shared/dname.h new file mode 100644 index 0000000..82adeb7 --- /dev/null +++ b/src/libdnssec/shared/dname.h @@ -0,0 +1,57 @@ +/* Copyright (C) 2018 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz> + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + This program 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 General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. +*/ + +#pragma once + +#include <stdbool.h> +#include <stdint.h> +#include <stdlib.h> + +/*! + * Maximal length of domain name including labels and length bytes. + * \see RFC 1035 + */ +#define DNAME_MAX_LENGTH 255 + +/*! + * Maximal length of the domain name label, excluding the label size. + * \see RFC 1035 + */ +#define DNAME_MAX_LABEL_LENGTH 63 + +/*! + * Get length of a domain name in wire format. + */ +size_t dname_length(const uint8_t *dname); + +/*! + * Copy domain name in wire format. + */ +uint8_t *dname_copy(const uint8_t *dname); + +/*! + * Normalize domain name in wire format. + * + * Currently converts all letters to lowercase. + */ +void dname_normalize(uint8_t *dname); + +/*! + * Check if two dnames are equal. + * + * Case insensitive. + */ +bool dname_equal(const uint8_t *one, const uint8_t *two); |