diff options
author | Luke Shumaker <lukeshu@sbcglobal.net> | 2016-09-13 21:24:07 -0400 |
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committer | Luke Shumaker <lukeshu@sbcglobal.net> | 2016-09-13 21:24:07 -0400 |
commit | ce31ec116f9bf4ad45952b6a200f4181fac311a3 (patch) | |
tree | 95bc9042a11e7f4773f10d72745396c9f46ed0ef /src/grp-resolve/libbasic-dns/resolved-dns-dnssec.h | |
parent | c73c7c774cbd1f0e778254d51da819490a333ab4 (diff) |
./tools/notsd-move
Diffstat (limited to 'src/grp-resolve/libbasic-dns/resolved-dns-dnssec.h')
-rw-r--r-- | src/grp-resolve/libbasic-dns/resolved-dns-dnssec.h | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/src/grp-resolve/libbasic-dns/resolved-dns-dnssec.h b/src/grp-resolve/libbasic-dns/resolved-dns-dnssec.h new file mode 100644 index 0000000000..b73cc24100 --- /dev/null +++ b/src/grp-resolve/libbasic-dns/resolved-dns-dnssec.h @@ -0,0 +1,103 @@ +#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/>. +***/ + +#include "shared/dns-domain.h" + +typedef enum DnssecResult DnssecResult; +typedef enum DnssecVerdict DnssecVerdict; + +#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 = -1 +}; + +enum DnssecVerdict { + DNSSEC_SECURE, + DNSSEC_INSECURE, + DNSSEC_BOGUS, + DNSSEC_INDETERMINATE, + + _DNSSEC_VERDICT_MAX, + _DNSSEC_VERDICT_INVALID = -1 +}; + +#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_canonicalize(const char *n, char *buffer, size_t buffer_max); + +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_; |