83 lines
2.8 KiB
C
83 lines
2.8 KiB
C
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
|
|
|
|
#pragma once
|
|
|
|
/***
|
|
This file is part of systemd.
|
|
|
|
Copyright 2015 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/>.
|
|
***/
|
|
|
|
typedef enum DnssecMode DnssecMode;
|
|
typedef enum DnssecResult DnssecResult;
|
|
|
|
#include "dns-domain.h"
|
|
#include "resolved-dns-answer.h"
|
|
#include "resolved-dns-rr.h"
|
|
|
|
enum DnssecMode {
|
|
/* No DNSSEC validation is done */
|
|
DNSSEC_NO,
|
|
|
|
/* Trust the AD bit sent by the server. UNSAFE! */
|
|
DNSSEC_TRUST,
|
|
|
|
/* Validate locally, if the server knows DO, but if not, don't. Don't trust the AD bit */
|
|
DNSSEC_YES,
|
|
|
|
_DNSSEC_MODE_MAX,
|
|
_DNSSEC_MODE_INVALID = -1
|
|
};
|
|
|
|
enum DnssecResult {
|
|
/* These four are returned by dnssec_verify_rrset() */
|
|
DNSSEC_VALIDATED,
|
|
DNSSEC_INVALID,
|
|
DNSSEC_SIGNATURE_EXPIRED,
|
|
DNSSEC_UNSUPPORTED_ALGORITHM,
|
|
|
|
/* These two are added by dnssec_verify_rrset_search() */
|
|
DNSSEC_NO_SIGNATURE,
|
|
DNSSEC_MISSING_KEY,
|
|
|
|
/* These two are added by the DnsTransaction logic */
|
|
DNSSEC_UNSIGNED,
|
|
DNSSEC_FAILED_AUXILIARY,
|
|
_DNSSEC_RESULT_MAX,
|
|
_DNSSEC_RESULT_INVALID = -1
|
|
};
|
|
|
|
#define DNSSEC_CANONICAL_HOSTNAME_MAX (DNS_HOSTNAME_MAX + 2)
|
|
|
|
int dnssec_rrsig_match_dnskey(DnsResourceRecord *rrsig, DnsResourceRecord *dnskey);
|
|
int dnssec_key_match_rrsig(DnsResourceKey *key, DnsResourceRecord *rrsig);
|
|
|
|
int dnssec_verify_rrset(DnsAnswer *answer, DnsResourceKey *key, DnsResourceRecord *rrsig, DnsResourceRecord *dnskey, usec_t realtime, DnssecResult *result);
|
|
int dnssec_verify_rrset_search(DnsAnswer *answer, DnsResourceKey *key, DnsAnswer *validated_dnskeys, usec_t realtime, DnssecResult *result);
|
|
|
|
int dnssec_verify_dnskey(DnsResourceRecord *dnskey, DnsResourceRecord *ds);
|
|
int dnssec_verify_dnskey_search(DnsResourceRecord *dnskey, DnsAnswer *validated_ds);
|
|
|
|
uint16_t dnssec_keytag(DnsResourceRecord *dnskey);
|
|
|
|
int dnssec_canonicalize(const char *n, char *buffer, size_t buffer_max);
|
|
|
|
const char* dnssec_mode_to_string(DnssecMode m) _const_;
|
|
DnssecMode dnssec_mode_from_string(const char *s) _pure_;
|
|
|
|
const char* dnssec_result_to_string(DnssecResult m) _const_;
|
|
DnssecResult dnssec_result_from_string(const char *s) _pure_;
|