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Diffstat (limited to '')
-rw-r--r-- | src/libknot/rrtype/rrsig.h | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/src/libknot/rrtype/rrsig.h b/src/libknot/rrtype/rrsig.h new file mode 100644 index 0000000..5a3643d --- /dev/null +++ b/src/libknot/rrtype/rrsig.h @@ -0,0 +1,100 @@ +/* Copyright (C) 2018 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz> + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + This program 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 General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <https://www.gnu.org/licenses/>. + */ + +/*! + * \file + * + * \addtogroup rrtype + * @{ + */ + +#pragma once + +#include "libknot/dname.h" +#include "libknot/rdata.h" +#include "libknot/wire.h" + +static inline +uint16_t knot_rrsig_type_covered(const knot_rdata_t *rdata) +{ + assert(rdata); + return knot_wire_read_u16(rdata->data); +} + +static inline +uint8_t knot_rrsig_alg(const knot_rdata_t *rdata) +{ + assert(rdata); + return *(rdata->data + 2); +} + +static inline +uint8_t knot_rrsig_labels(const knot_rdata_t *rdata) +{ + assert(rdata); + return *(rdata->data + 3); +} + +static inline +uint32_t knot_rrsig_original_ttl(const knot_rdata_t *rdata) +{ + assert(rdata); + return knot_wire_read_u32(rdata->data + 4); +} + +static inline +uint32_t knot_rrsig_sig_expiration(const knot_rdata_t *rdata) +{ + assert(rdata); + return knot_wire_read_u32(rdata->data + 8); +} + +static inline +uint32_t knot_rrsig_sig_inception(const knot_rdata_t *rdata) +{ + assert(rdata); + return knot_wire_read_u32(rdata->data + 12); +} + +static inline +uint16_t knot_rrsig_key_tag(const knot_rdata_t *rdata) +{ + assert(rdata); + return knot_wire_read_u16(rdata->data + 16); +} + +static inline +const knot_dname_t *knot_rrsig_signer_name(const knot_rdata_t *rdata) +{ + assert(rdata); + return rdata->data + 18; +} + +static inline +uint16_t knot_rrsig_signature_len(const knot_rdata_t *rdata) +{ + assert(rdata); + return rdata->len - 18 - knot_dname_size(knot_rrsig_signer_name(rdata)); +} + +static inline +const uint8_t *knot_rrsig_signature(const knot_rdata_t *rdata) +{ + assert(rdata); + return rdata->data + 18 + knot_dname_size(knot_rrsig_signer_name(rdata)); +} + +/*! @} */ |