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Diffstat (limited to 'src/knot/query/query.h')
-rw-r--r-- | src/knot/query/query.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/src/knot/query/query.h b/src/knot/query/query.h new file mode 100644 index 0000000..ed77099 --- /dev/null +++ b/src/knot/query/query.h @@ -0,0 +1,60 @@ +/* Copyright (C) 2019 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/>. + */ + +#pragma once + +#include "knot/nameserver/log.h" +#include "libknot/packet/pkt.h" + +/*! + * \brief EDNS data. + */ +struct query_edns_data { + uint16_t max_payload; + bool do_flag; +}; + +/*! + * \brief Initialize new packet. + * + * Clear the packet and generate random transaction ID. + * + * \param pkt Packet to initialize. + */ +void query_init_pkt(knot_pkt_t *pkt); + +/*! + * \brief Initialize EDNS parameters from server configuration. + * + * \param[out] edns EDNS parameters to initialize. + * \param[in] conf Server configuration. + * \param[in] zone Zone name. + * \param[in] remote_family Address family for remote host. + * + * \return KNOT_E* + */ +int query_edns_data_init(struct query_edns_data *edns, conf_t *conf, + const knot_dname_t *zone, int remote_family); + +/*! + * \brief Append EDNS into the packet. + * + * \param pkt Packet to add EDNS into. + * \param edns EDNS data. + * + * \return KNOT_E* + */ +int query_put_edns(knot_pkt_t *pkt, const struct query_edns_data *edns); |