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Diffstat (limited to 'src/libknot/consts.h')
| -rw-r--r-- | src/libknot/consts.h | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/src/libknot/consts.h b/src/libknot/consts.h new file mode 100644 index 0000000..4249763 --- /dev/null +++ b/src/libknot/consts.h @@ -0,0 +1,108 @@ +/*! + * \file consts.h + * + * \author Lubos Slovak <lubos.slovak@nic.cz> + * + * \brief Contains some DNS-related constants. + * + * \addtogroup libknot + * @{ + */ +/* Copyright (C) 2011 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 <http://www.gnu.org/licenses/>. + */ + +#ifndef _KNOT_CONSTS_H_ +#define _KNOT_CONSTS_H_ + +#include <stdint.h> +#include "util/descriptor.h" + +/* + * OPCODEs + */ +typedef enum knot_opcode { + KNOT_OPCODE_QUERY = 0, /* a standard query (QUERY) */ + KNOT_OPCODE_IQUERY = 1, /* an inverse query (IQUERY) */ + KNOT_OPCODE_STATUS = 2, /* a server status request (STATUS) */ + KNOT_OPCODE_NOTIFY = 4, /* NOTIFY */ + KNOT_OPCODE_UPDATE = 5, /* Dynamic update */ + KNOT_OPCODE_OFFSET = 14 +} knot_opcode_t; + +/*! + * \brief Query types (internal use only). + * + * This type encompasses the different query types distinguished by both the + * OPCODE and the QTYPE. + */ +typedef enum knot_packet_type { + KNOT_QUERY_NORMAL, /*!< Normal query. */ + KNOT_QUERY_AXFR, /*!< Request for AXFR transfer. */ + KNOT_QUERY_IXFR, /*!< Request for IXFR transfer. */ + KNOT_QUERY_NOTIFY, /*!< NOTIFY query. */ + KNOT_QUERY_UPDATE, /*!< Dynamic update. */ + KNOT_RESPONSE_NORMAL, /*!< Normal response. */ + KNOT_RESPONSE_AXFR, /*!< AXFR transfer response. */ + KNOT_RESPONSE_IXFR, /*!< IXFR transfer response. */ + KNOT_RESPONSE_NOTIFY /*!< NOTIFY response. */ +} knot_packet_type_t; + +/* + * RCODEs + */ +typedef enum knot_rcode { + KNOT_RCODE_NOERROR = 0, /* No error condition */ + KNOT_RCODE_FORMERR = 1, /* Format error */ + KNOT_RCODE_SERVFAIL = 2, /* Server failure */ + KNOT_RCODE_NXDOMAIN = 3, /* Name Error */ + KNOT_RCODE_NOTIMPL = 4, /* Not implemented */ + KNOT_RCODE_REFUSED = 5, /* Refused */ + KNOT_RCODE_YXDOMAIN = 6, /* name should not exist */ + KNOT_RCODE_YXRRSET = 7, /* rrset should not exist */ + KNOT_RCODE_NXRRSET = 8, /* rrset does not exist */ + KNOT_RCODE_NOTAUTH = 9, /* server not authoritative */ + KNOT_RCODE_NOTZONE = 10, /* name not inside zone */ +} knot_rcode_t; + +typedef enum knot_tsig_rcode { + KNOT_TSIG_RCODE_BADSIG = 16, + KNOT_TSIG_RCODE_BADKEY = 17, + KNOT_TSIG_RCODE_BADTIME = 18 +} knot_tsig_rcode_t; + +/* + * CLASSes + */ +//typedef enum knot_class { +// KNOT_CLASS_IN = 1, /* Class IN */ +// KNOT_CLASS_CS = 2, /* Class CS */ +// KNOT_CLASS_CH = 3, /* Class CHAOS */ +// KNOT_CLASS_HS = 4, /* Class HS */ +// KNOT_CLASS_NONE = 254, /* Class NONE rfc2136 */ +// KNOT_CLASS_ANY = 255 /* Class ANY */ +//} knot_class_t; + +/* + * Other + */ +typedef enum knot_const { + KNOT_MAX_DNAME_LENGTH = 255, + KNOT_MAX_DNAME_LABELS = 127 // 1-char labels +} knot_const_t; + +#endif /* _KNOT_CONSTS_H_ */ + +/*! @} */ |