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Diffstat (limited to 'src/resolve/resolved-dns-dnssec.h')
-rw-r--r-- | src/resolve/resolved-dns-dnssec.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/src/resolve/resolved-dns-dnssec.h b/src/resolve/resolved-dns-dnssec.h new file mode 100644 index 0000000000..f4cb58988a --- /dev/null +++ b/src/resolve/resolved-dns-dnssec.h @@ -0,0 +1,67 @@ +/*-*- 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; + +#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 { + DNSSEC_VERIFIED, + DNSSEC_INVALID, + DNSSEC_NO_SIGNATURE, + DNSSEC_MISSING_KEY, + DNSSEC_SIGNATURE_EXPIRED, +}; + +#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); +int dnssec_verify_rrset_search(DnsAnswer *a, DnsResourceKey *key, DnsAnswer *validated_dnskeys, usec_t realtime); + +int dnssec_verify_dnskey(DnsResourceRecord *dnskey, DnsResourceRecord *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_; |