72 lines
1.6 KiB
C
72 lines
1.6 KiB
C
/*
|
|
* ldnssec-utils
|
|
*
|
|
* Written in 2021 by Lucas
|
|
*
|
|
* To the extent possible under law, the author(s) have dedicated all
|
|
* copyright and related and neighboring rights to this software to the
|
|
* public domain worldwide. This software is distributed without any
|
|
* warranty.
|
|
*
|
|
* You should have received a copy of the CC0 Public Domain Dedication
|
|
* along with this software. If not, see
|
|
* <http://creativecommons.org/publicdomain/zero/1.0/>.
|
|
*/
|
|
|
|
#include <err.h>
|
|
|
|
#include <ldns/ldns.h>
|
|
|
|
#include "util.h"
|
|
|
|
#define MINIMUM_LDNS_VERSION "1.7.1"
|
|
#define MINIMUM_LDNS_REVISION ((1<<16)|(7<<8)|(1))
|
|
|
|
ldns_lookup_table ldnssec_hashes[] = {
|
|
/*
|
|
* Normative names from DS-IANA:
|
|
* https://www.iana.org/assignments/ds-rr-types/ds-rr-types.xhtml
|
|
*/
|
|
{ LDNS_SHA1, "SHA-1" },
|
|
{ LDNS_SHA256, "SHA-256" },
|
|
{ LDNS_HASH_GOST, "GOST R 34.11-94" },
|
|
{ LDNS_SHA384, "SHA-384" },
|
|
{ 0, NULL },
|
|
};
|
|
|
|
ldns_hash
|
|
ldnssec_get_hash_algorithm_by_name(const char *name)
|
|
{
|
|
static ldns_lookup_table aliases[] = {
|
|
{ LDNS_SHA1, "SHA1" },
|
|
{ LDNS_SHA256, "SHA256" },
|
|
{ LDNS_HASH_GOST, "GOST" },
|
|
{ LDNS_SHA384, "SHA384" },
|
|
{ 0, NULL },
|
|
};
|
|
ldns_lookup_table *lt;
|
|
const char *errstr;
|
|
long long n;
|
|
|
|
lt = ldns_lookup_by_name(ldnssec_hashes, name);
|
|
if (lt != NULL)
|
|
return lt->id;
|
|
lt = ldns_lookup_by_name(aliases, name);
|
|
if (lt != NULL)
|
|
return lt->id;
|
|
|
|
n = strtonum(name, 0, UINT8_MAX, &errstr);
|
|
if (errstr == NULL)
|
|
return n;
|
|
|
|
return 0;
|
|
}
|
|
|
|
void
|
|
fatal_check_minimum_ldns_revision(void)
|
|
{
|
|
if (MINIMUM_LDNS_REVISION > LDNS_REVISION)
|
|
errx(1, "ldns version should be greater or equal than "
|
|
MINIMUM_LDNS_VERSION "; got %s instead\n", ldns_version());
|
|
}
|