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/* SPDX-License-Identifier: LGPL-2.1-or-later */
#pragma once
typedef enum DnssecResult DnssecResult;
typedef enum DnssecVerdict DnssecVerdict;
#include "dns-domain.h"
#include "resolved-dns-answer.h"
#include "resolved-dns-rr.h"
enum DnssecResult {
/* These five are returned by dnssec_verify_rrset() */
DNSSEC_VALIDATED,
DNSSEC_VALIDATED_WILDCARD, /* Validated via a wildcard RRSIG, further NSEC/NSEC3 checks necessary */
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_NSEC_MISMATCH,
DNSSEC_INCOMPATIBLE_SERVER,
_DNSSEC_RESULT_MAX,
_DNSSEC_RESULT_INVALID = -EINVAL,
};
enum DnssecVerdict {
DNSSEC_SECURE,
DNSSEC_INSECURE,
DNSSEC_BOGUS,
DNSSEC_INDETERMINATE,
_DNSSEC_VERDICT_MAX,
_DNSSEC_VERDICT_INVALID = -EINVAL,
};
#define DNSSEC_CANONICAL_HOSTNAME_MAX (DNS_HOSTNAME_MAX + 2)
/* The longest digest we'll ever generate, of all digest algorithms we support */
#define DNSSEC_HASH_SIZE_MAX (MAX(20, 32))
int dnssec_rrsig_match_dnskey(DnsResourceRecord *rrsig, DnsResourceRecord *dnskey, bool revoked_ok);
int dnssec_key_match_rrsig(const DnsResourceKey *key, DnsResourceRecord *rrsig);
int dnssec_verify_rrset(DnsAnswer *answer, const DnsResourceKey *key, DnsResourceRecord *rrsig, DnsResourceRecord *dnskey, usec_t realtime, DnssecResult *result);
int dnssec_verify_rrset_search(DnsAnswer *answer, const DnsResourceKey *key, DnsAnswer *validated_dnskeys, usec_t realtime, DnssecResult *result, DnsResourceRecord **rrsig);
int dnssec_verify_dnskey_by_ds(DnsResourceRecord *dnskey, DnsResourceRecord *ds, bool mask_revoke);
int dnssec_verify_dnskey_by_ds_search(DnsResourceRecord *dnskey, DnsAnswer *validated_ds);
int dnssec_has_rrsig(DnsAnswer *a, const DnsResourceKey *key);
uint16_t dnssec_keytag(DnsResourceRecord *dnskey, bool mask_revoke);
int dnssec_nsec3_hash(DnsResourceRecord *nsec3, const char *name, void *ret);
typedef enum DnssecNsecResult {
DNSSEC_NSEC_NO_RR, /* No suitable NSEC/NSEC3 RR found */
DNSSEC_NSEC_CNAME, /* Didn't find what was asked for, but did find CNAME */
DNSSEC_NSEC_UNSUPPORTED_ALGORITHM,
DNSSEC_NSEC_NXDOMAIN,
DNSSEC_NSEC_NODATA,
DNSSEC_NSEC_FOUND,
DNSSEC_NSEC_OPTOUT,
} DnssecNsecResult;
int dnssec_nsec_test(DnsAnswer *answer, DnsResourceKey *key, DnssecNsecResult *result, bool *authenticated, uint32_t *ttl);
int dnssec_test_positive_wildcard(DnsAnswer *a, const char *name, const char *source, const char *zone, bool *authenticated);
const char* dnssec_result_to_string(DnssecResult m) _const_;
DnssecResult dnssec_result_from_string(const char *s) _pure_;
const char* dnssec_verdict_to_string(DnssecVerdict m) _const_;
DnssecVerdict dnssec_verdict_from_string(const char *s) _pure_;
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