67 lines
1.5 KiB
C
67 lines
1.5 KiB
C
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/*
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* ldnssec-utils
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*
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* Written in 2021 by Lucas
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*
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* To the extent possible under law, the author(s) have dedicated all
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* copyright and related and neighboring rights to this software to the
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* public domain worldwide. This software is distributed without any
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* warranty.
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*
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* You should have received a copy of the CC0 Public Domain Dedication
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* along with this software. If not, see
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* <http://creativecommons.org/publicdomain/zero/1.0/>.
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*/
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#include <err.h>
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#include <ldns/ldns.h>
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#include "util.h"
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#define MINIMUM_LDNS_VERSION "1.7.1"
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#define MINIMUM_LDNS_REVISION ((1<<16)|(7<<8)|(1))
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ldns_lookup_table ldnssec_hashes[] = {
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{ LDNS_SHA1, "SHA1" },
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{ LDNS_SHA256, "SHA256" },
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{ LDNS_HASH_GOST, "GOST" },
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{ LDNS_SHA384, "SHA384" },
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{ 0, NULL },
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};
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ldns_hash
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ldnssec_get_hash_algorithm_by_name(const char *name)
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{
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static ldns_lookup_table aliases[] = {
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{ LDNS_SHA1, "SHA-1" },
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{ LDNS_SHA256, "SHA-256" },
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{ LDNS_SHA384, "SHA-384" },
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{ 0, NULL },
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};
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ldns_lookup_table *lt;
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const char *errstr;
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long long n;
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lt = ldns_lookup_by_name(ldnssec_hashes, name);
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if (lt != NULL)
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return lt->id;
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lt = ldns_lookup_by_name(aliases, name);
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if (lt != NULL)
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return lt->id;
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n = strtonum(name, 0, UINT8_MAX, &errstr);
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if (errstr == NULL)
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return n;
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return 0;
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}
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void
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fatal_check_minimum_ldns_revision(void)
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{
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if (MINIMUM_LDNS_REVISION > LDNS_REVISION)
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errx(1, "ldns version should be greater or equal than "
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MINIMUM_LDNS_VERSION "; got %s instead\n", ldns_version());
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}
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