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✏️ Editing: rdatastruct.h

/*
 * Copyright (C) 1998-2025  Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 */

/***************
 ***************
 ***************   THIS FILE IS AUTOMATICALLY GENERATED BY gen.c.
 ***************   DO NOT EDIT!
 ***************
 ***************/

/*! \file */

/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

#ifndef DNS_RDATASTRUCT_H
#define DNS_RDATASTRUCT_H 1

#include <isc/lang.h>
#include <isc/sockaddr.h>

#include <dns/name.h>
#include <dns/types.h>

ISC_LANG_BEGINDECLS

typedef struct dns_rdatacommon {
	dns_rdataclass_t			rdclass;
	dns_rdatatype_t				rdtype;
	ISC_LINK(struct dns_rdatacommon)	link;
} dns_rdatacommon_t;

#define DNS_RDATACOMMON_INIT(_data, _rdtype, _rdclass) \
	do { \
		(_data)->common.rdtype = (_rdtype); \
		(_data)->common.rdclass = (_rdclass); \
		ISC_LINK_INIT(&(_data)->common, link); \
	} while (0)
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

/* */
#ifndef IN_1_A_1_H
#define IN_1_A_1_H 1

typedef struct dns_rdata_in_a {
	dns_rdatacommon_t	common;
	struct in_addr          in_addr;
} dns_rdata_in_a_t;

#endif /* IN_1_A_1_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

/* by Bjorn.Victor@it.uu.se, 2005-05-07 */
/* Based on generic/mx_15.h */

#ifndef CH_3_A_1_H
#define CH_3_A_1_H 1

typedef uint16_t ch_addr_t;

typedef struct dns_rdata_ch_a {
	dns_rdatacommon_t	common;
	isc_mem_t		*mctx;
	dns_name_t		ch_addr_dom; /* ch-addr domain for back mapping */
	ch_addr_t		ch_addr; /* chaos address (16 bit) network order */
} dns_rdata_ch_a_t;

#endif /* CH_3_A_1_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

/* */
#ifndef HS_4_A_1_H
#define HS_4_A_1_H 1

typedef struct dns_rdata_hs_a {
	dns_rdatacommon_t	common;
	struct in_addr          in_addr;
} dns_rdata_hs_a_t;

#endif /* HS_4_A_1_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

/* */
#ifndef GENERIC_NS_2_H
#define GENERIC_NS_2_H 1

typedef struct dns_rdata_ns {
	dns_rdatacommon_t	common;
	isc_mem_t		*mctx;
	dns_name_t		name;
} dns_rdata_ns_t;

#endif /* GENERIC_NS_2_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

/* */
#ifndef GENERIC_MD_3_H
#define GENERIC_MD_3_H 1

typedef struct dns_rdata_md {
	dns_rdatacommon_t	common;
	isc_mem_t		*mctx;
	dns_name_t		md;
} dns_rdata_md_t;

#endif /* GENERIC_MD_3_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

/* */
#ifndef GENERIC_MF_4_H
#define GENERIC_MF_4_H 1

typedef struct dns_rdata_mf {
	dns_rdatacommon_t	common;
	isc_mem_t		*mctx;
	dns_name_t		mf;
} dns_rdata_mf_t;

#endif /* GENERIC_MF_4_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

#ifndef GENERIC_CNAME_5_H
#define GENERIC_CNAME_5_H 1

typedef struct dns_rdata_cname {
	dns_rdatacommon_t	common;
	isc_mem_t		*mctx;
	dns_name_t		cname;
} dns_rdata_cname_t;

#endif /* GENERIC_CNAME_5_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

/* */
#ifndef GENERIC_SOA_6_H
#define GENERIC_SOA_6_H 1

typedef struct dns_rdata_soa {
	dns_rdatacommon_t	common;
	isc_mem_t		*mctx;
	dns_name_t		origin;
	dns_name_t		contact;
	uint32_t		serial;		/*%< host order */
	uint32_t		refresh;	/*%< host order */
	uint32_t		retry;		/*%< host order */
	uint32_t		expire;		/*%< host order */
	uint32_t		minimum;	/*%< host order */
} dns_rdata_soa_t;

#endif /* GENERIC_SOA_6_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

/* */
#ifndef GENERIC_MB_7_H
#define GENERIC_MB_7_H 1

typedef struct dns_rdata_mb {
	dns_rdatacommon_t	common;
	isc_mem_t		*mctx;
	dns_name_t		mb;
} dns_rdata_mb_t;

#endif /* GENERIC_MB_7_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

/* */
#ifndef GENERIC_MG_8_H
#define GENERIC_MG_8_H 1

typedef struct dns_rdata_mg {
	dns_rdatacommon_t	common;
	isc_mem_t		*mctx;
	dns_name_t		mg;
} dns_rdata_mg_t;

#endif /* GENERIC_MG_8_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

/* */
#ifndef GENERIC_MR_9_H
#define GENERIC_MR_9_H 1

typedef struct dns_rdata_mr {
	dns_rdatacommon_t	common;
	isc_mem_t		*mctx;
	dns_name_t		mr;
} dns_rdata_mr_t;

#endif /* GENERIC_MR_9_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

/* */
#ifndef GENERIC_NULL_10_H
#define GENERIC_NULL_10_H 1

typedef struct dns_rdata_null {
	dns_rdatacommon_t	common;
	isc_mem_t		*mctx;
	uint16_t		length;
	unsigned char		*data;
} dns_rdata_null_t;

#endif /* GENERIC_NULL_10_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

#ifndef IN_1_WKS_11_H
#define IN_1_WKS_11_H 1

typedef	struct dns_rdata_in_wks {
	dns_rdatacommon_t	common;
	isc_mem_t		*mctx;
	struct in_addr		in_addr;
	uint16_t		protocol;
	unsigned char		*map;
	uint16_t		map_len;
} dns_rdata_in_wks_t;

#endif /* IN_1_WKS_11_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

/* */
#ifndef GENERIC_PTR_12_H
#define GENERIC_PTR_12_H 1

typedef struct dns_rdata_ptr {
	dns_rdatacommon_t       common;
	isc_mem_t               *mctx;
	dns_name_t              ptr;
} dns_rdata_ptr_t;

#endif /* GENERIC_PTR_12_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

#ifndef GENERIC_HINFO_13_H
#define GENERIC_HINFO_13_H 1

typedef struct dns_rdata_hinfo {
	dns_rdatacommon_t	common;
	isc_mem_t		*mctx;
	char			*cpu;
	char			*os;
	uint8_t		cpu_len;
	uint8_t		os_len;
} dns_rdata_hinfo_t;

#endif /* GENERIC_HINFO_13_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

/* */
#ifndef GENERIC_MINFO_14_H
#define GENERIC_MINFO_14_H 1

typedef struct dns_rdata_minfo {
	dns_rdatacommon_t	common;
	isc_mem_t		*mctx;
	dns_name_t		rmailbox;
	dns_name_t		emailbox;
} dns_rdata_minfo_t;

#endif /* GENERIC_MINFO_14_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

/* */
#ifndef GENERIC_MX_15_H
#define GENERIC_MX_15_H 1

typedef struct dns_rdata_mx {
	dns_rdatacommon_t	common;
	isc_mem_t		*mctx;
	uint16_t		pref;
	dns_name_t		mx;
} dns_rdata_mx_t;

#endif /* GENERIC_MX_15_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

/* */
#ifndef GENERIC_TXT_16_H
#define GENERIC_TXT_16_H 1

typedef struct dns_rdata_txt_string {
		uint8_t    length;
		unsigned char   *data;
} dns_rdata_txt_string_t;

typedef struct dns_rdata_txt {
	dns_rdatacommon_t       common;
	isc_mem_t               *mctx;
	unsigned char           *txt;
	uint16_t            txt_len;
	/* private */
	uint16_t            offset;
} dns_rdata_txt_t;

/*
 * ISC_LANG_BEGINDECLS and ISC_LANG_ENDDECLS are already done
 * via rdatastructpre.h and rdatastructsuf.h.
 */

isc_result_t
dns_rdata_txt_first(dns_rdata_txt_t *);

isc_result_t
dns_rdata_txt_next(dns_rdata_txt_t *);

isc_result_t
dns_rdata_txt_current(dns_rdata_txt_t *, dns_rdata_txt_string_t *);

#endif /* GENERIC_TXT_16_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

#ifndef GENERIC_RP_17_H
#define GENERIC_RP_17_H 1

/*!
 *  \brief Per RFC1183 */

typedef struct dns_rdata_rp {
	dns_rdatacommon_t       common;
	isc_mem_t               *mctx;
	dns_name_t              mail;
	dns_name_t              text;
} dns_rdata_rp_t;

#endif /* GENERIC_RP_17_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

#ifndef GENERIC_AFSDB_18_H
#define GENERIC_AFSDB_18_H 1

/*!
 *  \brief Per RFC1183 */

typedef struct dns_rdata_afsdb {
	dns_rdatacommon_t	common;
	isc_mem_t		*mctx;
	uint16_t		subtype;
	dns_name_t		server;
} dns_rdata_afsdb_t;

#endif /* GENERIC_AFSDB_18_H */

#ifndef GENERIC_X25_19_H
#define GENERIC_X25_19_H 1

/*!
 *  \brief Per RFC1183 */

typedef struct dns_rdata_x25 {
	dns_rdatacommon_t	common;
	isc_mem_t		*mctx;
	unsigned char		*x25;
	uint8_t		x25_len;
} dns_rdata_x25_t;

#endif /* GENERIC_X25_19_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

#ifndef GENERIC_ISDN_20_H
#define GENERIC_ISDN_20_H 1

/*!
 * \brief Per RFC1183 */

typedef struct dns_rdata_isdn {
	dns_rdatacommon_t	common;
	isc_mem_t		*mctx;
	char			*isdn;
	char			*subaddress;
	uint8_t		isdn_len;
	uint8_t		subaddress_len;
} dns_rdata_isdn_t;

#endif /* GENERIC_ISDN_20_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

#ifndef GENERIC_RT_21_H
#define GENERIC_RT_21_H 1

/*!
 *  \brief Per RFC1183 */

typedef struct dns_rdata_rt {
	dns_rdatacommon_t	common;
	isc_mem_t		*mctx;
	uint16_t		preference;
	dns_name_t		host;
} dns_rdata_rt_t;

#endif /* GENERIC_RT_21_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

#ifndef IN_1_NSAP_22_H
#define IN_1_NSAP_22_H 1

/*!
 *  \brief Per RFC1706 */

typedef struct dns_rdata_in_nsap {
	dns_rdatacommon_t	common;
	isc_mem_t		*mctx;
	unsigned char		*nsap;
	uint16_t		nsap_len;
} dns_rdata_in_nsap_t;

#endif /* IN_1_NSAP_22_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

#ifndef IN_1_NSAP_PTR_23_H
#define IN_1_NSAP_PTR_23_H 1

/*!
 *  \brief Per RFC1348.  Obsoleted in RFC 1706 - use PTR instead. */

typedef struct dns_rdata_in_nsap_ptr {
	dns_rdatacommon_t	common;
	isc_mem_t		*mctx;
	dns_name_t		owner;
} dns_rdata_in_nsap_ptr_t;

#endif /* IN_1_NSAP_PTR_23_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

#ifndef GENERIC_SIG_24_H
#define GENERIC_SIG_24_H 1

/*!
 *  \brief Per RFC2535 */

typedef struct dns_rdata_sig_t {
	dns_rdatacommon_t	common;
	isc_mem_t *		mctx;
	dns_rdatatype_t		covered;
	dns_secalg_t		algorithm;
	uint8_t		labels;
	uint32_t		originalttl;
	uint32_t		timeexpire;
	uint32_t		timesigned;
	uint16_t		keyid;
	dns_name_t		signer;
	uint16_t		siglen;
	unsigned char *		signature;
} dns_rdata_sig_t;

#endif /* GENERIC_SIG_24_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

#ifndef GENERIC_KEY_25_H
#define GENERIC_KEY_25_H 1

/*!
 * \brief Per RFC2535 */

typedef struct dns_rdata_key {
	dns_rdatacommon_t	common;
	isc_mem_t *		mctx;
	uint16_t		flags;
	dns_secproto_t		protocol;
	dns_secalg_t		algorithm;
	uint16_t		datalen;
	unsigned char *		data;
} dns_rdata_key_t;

#endif /* GENERIC_KEY_25_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

#ifndef IN_1_PX_26_H
#define IN_1_PX_26_H 1

/*!
 *  \brief Per RFC2163 */

typedef struct dns_rdata_in_px {
	dns_rdatacommon_t	common;
	isc_mem_t		*mctx;
	uint16_t		preference;
	dns_name_t		map822;
	dns_name_t		mapx400;
} dns_rdata_in_px_t;

#endif /* IN_1_PX_26_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

#ifndef GENERIC_GPOS_27_H
#define GENERIC_GPOS_27_H 1

/*!
 *  \brief per RFC1712 */

typedef struct dns_rdata_gpos {
	dns_rdatacommon_t	common;
	isc_mem_t		*mctx;
	char			*longitude;
	char			*latitude;
	char			*altitude;
	uint8_t		long_len;
	uint8_t		lat_len;
	uint8_t		alt_len;
} dns_rdata_gpos_t;

#endif /* GENERIC_GPOS_27_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

#ifndef IN_1_AAAA_28_H
#define IN_1_AAAA_28_H 1

/*!
 *  \brief Per RFC1886 */

typedef struct dns_rdata_in_aaaa {
	dns_rdatacommon_t	common;
	struct in6_addr		in6_addr;
} dns_rdata_in_aaaa_t;

#endif /* IN_1_AAAA_28_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

#ifndef GENERIC_LOC_29_H
#define GENERIC_LOC_29_H 1

/*!
 * \brief Per RFC1876 */

typedef struct dns_rdata_loc_0 {
	uint8_t	version;	/* must be first and zero */
	uint8_t	size;
	uint8_t	horizontal;
	uint8_t	vertical;
	uint32_t	latitude;
	uint32_t	longitude;
	uint32_t	altitude;
} dns_rdata_loc_0_t;

typedef struct dns_rdata_loc {
	dns_rdatacommon_t	common;
	union {
		dns_rdata_loc_0_t v0;
	} v;
} dns_rdata_loc_t;

#endif /* GENERIC_LOC_29_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

#ifndef GENERIC_NXT_30_H
#define GENERIC_NXT_30_H 1

/*!
 *  \brief RFC2535 */

typedef struct dns_rdata_nxt {
	dns_rdatacommon_t	common;
	isc_mem_t		*mctx;
	dns_name_t		next;
	unsigned char		*typebits;
	uint16_t		len;
} dns_rdata_nxt_t;

#endif /* GENERIC_NXT_30_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

#ifndef IN_1_EID_31_H
#define IN_1_EID_31_H 1

/*!
 *  \brief http://ana-3.lcs.mit.edu/~jnc/nimrod/dns.txt
 */

typedef struct dns_rdata_in_eid {
	dns_rdatacommon_t	common;
	isc_mem_t		*mctx;
	unsigned char		*eid;
	uint16_t		eid_len;
} dns_rdata_in_eid_t;

#endif /* IN_1_EID_31_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

#ifndef IN_1_NIMLOC_32_H
#define IN_1_NIMLOC_32_H 1

/*!
 *  \brief http://ana-3.lcs.mit.edu/~jnc/nimrod/dns.txt
 */

typedef struct dns_rdata_in_nimloc {
	dns_rdatacommon_t	common;
	isc_mem_t		*mctx;
	unsigned char		*nimloc;
	uint16_t		nimloc_len;
} dns_rdata_in_nimloc_t;

#endif /* IN_1_NIMLOC_32_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

#ifndef IN_1_SRV_33_H
#define IN_1_SRV_33_H 1

/*!
 *  \brief Per RFC2782 */

typedef struct dns_rdata_in_srv {
	dns_rdatacommon_t	common;
	isc_mem_t		*mctx;
	uint16_t		priority;
	uint16_t		weight;
	uint16_t		port;
	dns_name_t		target;
} dns_rdata_in_srv_t;

#endif /* IN_1_SRV_33_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

#ifndef IN_1_ATMA_22_H
#define IN_1_ATMA_22_H 1

/*!
 *  \brief Per RFC1706 */

typedef struct dns_rdata_in_atma {
	dns_rdatacommon_t	common;
	isc_mem_t		*mctx;
	unsigned char		format;
	unsigned char		*atma;
	uint16_t		atma_len;
} dns_rdata_in_atma_t;

#endif /* IN_1_ATMA_22_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

#ifndef GENERIC_NAPTR_35_H
#define GENERIC_NAPTR_35_H 1

/*!
 *  \brief Per RFC2915 */

typedef struct dns_rdata_naptr {
	dns_rdatacommon_t	common;
	isc_mem_t		*mctx;
	uint16_t		order;
	uint16_t		preference;
	char			*flags;
	uint8_t		flags_len;
	char			*service;
	uint8_t		service_len;
	char			*regexp;
	uint8_t		regexp_len;
	dns_name_t		replacement;
} dns_rdata_naptr_t;

#endif /* GENERIC_NAPTR_35_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

#ifndef IN_1_KX_36_H
#define IN_1_KX_36_H 1

/*!
 *  \brief Per RFC2230 */

typedef struct dns_rdata_in_kx {
	dns_rdatacommon_t	common;
	isc_mem_t		*mctx;
	uint16_t		preference;
	dns_name_t		exchange;
} dns_rdata_in_kx_t;

#endif /* IN_1_KX_36_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

#ifndef GENERIC_CERT_37_H
#define GENERIC_CERT_37_H 1

/*% RFC2538 */
typedef struct dns_rdata_cert {
	dns_rdatacommon_t	common;
	isc_mem_t		*mctx;
	uint16_t		type;
	uint16_t		key_tag;
	uint8_t		algorithm;
	uint16_t		length;
	unsigned char		*certificate;
} dns_rdata_cert_t;

#endif /* GENERIC_CERT_37_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

#ifndef IN_1_A6_38_H
#define IN_1_A6_38_H 1

/*!
 *  \brief Per RFC2874 */

typedef struct dns_rdata_in_a6 {
	dns_rdatacommon_t	common;
	isc_mem_t		*mctx;
	dns_name_t		prefix;
	uint8_t		prefixlen;
	struct in6_addr		in6_addr;
} dns_rdata_in_a6_t;

#endif /* IN_1_A6_38_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

#ifndef GENERIC_DNAME_39_H
#define GENERIC_DNAME_39_H 1

/*!
 *  \brief per RFC2672 */

typedef struct dns_rdata_dname {
	dns_rdatacommon_t	common;
	isc_mem_t		*mctx;
	dns_name_t		dname;
} dns_rdata_dname_t;

#endif /* GENERIC_DNAME_39_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

#ifndef GENERIC_SINK_40_H
#define GENERIC_SINK_40_H 1

typedef struct dns_rdata_sink_t {
	dns_rdatacommon_t	common;
	isc_mem_t *		mctx;
	uint8_t		meaning;
	uint8_t		coding;
	uint8_t		subcoding;
	uint16_t		datalen;
	unsigned char *		data;
} dns_rdata_sink_t;

#endif /* GENERIC_SINK_40_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

#ifndef GENERIC_OPT_41_H
#define GENERIC_OPT_41_H 1

/*!
 *  \brief Per RFC2671 */

typedef struct dns_rdata_opt_opcode {
		uint16_t	opcode;
		uint16_t	length;
		unsigned char	*data;
} dns_rdata_opt_opcode_t;

typedef struct dns_rdata_opt {
	dns_rdatacommon_t	common;
	isc_mem_t		*mctx;
	unsigned char		*options;
	uint16_t		length;
	/* private */
	uint16_t		offset;
} dns_rdata_opt_t;

/*
 * ISC_LANG_BEGINDECLS and ISC_LANG_ENDDECLS are already done
 * via rdatastructpre.h and rdatastructsuf.h.
 */

isc_result_t
dns_rdata_opt_first(dns_rdata_opt_t *);

isc_result_t
dns_rdata_opt_next(dns_rdata_opt_t *);

isc_result_t
dns_rdata_opt_current(dns_rdata_opt_t *, dns_rdata_opt_opcode_t *);

#endif /* GENERIC_OPT_41_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

/* */
#ifndef IN_1_APL_42_H
#define IN_1_APL_42_H 1

typedef struct dns_rdata_apl_ent {
	bool	negative;
	uint16_t	family;
	uint8_t	prefix;
	uint8_t	length;
	unsigned char	*data;
} dns_rdata_apl_ent_t;

typedef struct dns_rdata_in_apl {
	dns_rdatacommon_t	common;
	isc_mem_t		*mctx;
	/* type & class specific elements */
	unsigned char           *apl;
	uint16_t            apl_len;
	/* private */
	uint16_t            offset;
} dns_rdata_in_apl_t;

/*
 * ISC_LANG_BEGINDECLS and ISC_LANG_ENDDECLS are already done
 * via rdatastructpre.h and rdatastructsuf.h.
 */

isc_result_t
dns_rdata_apl_first(dns_rdata_in_apl_t *);

isc_result_t
dns_rdata_apl_next(dns_rdata_in_apl_t *);

isc_result_t
dns_rdata_apl_current(dns_rdata_in_apl_t *, dns_rdata_apl_ent_t *);

unsigned int
dns_rdata_apl_count(const dns_rdata_in_apl_t *apl);

#endif /* IN_1_APL_42_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

#ifndef GENERIC_DS_43_H
#define GENERIC_DS_43_H 1

/*!
 *  \brief per draft-ietf-dnsext-delegation-signer-05.txt */
typedef struct dns_rdata_ds {
	dns_rdatacommon_t	common;
	isc_mem_t		*mctx;
	uint16_t		key_tag;
	dns_secalg_t		algorithm;
	dns_dsdigest_t		digest_type;
	uint16_t		length;
	unsigned char		*digest;
} dns_rdata_ds_t;

#endif /* GENERIC_DS_43_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

/*!
 *  \brief Per RFC 4255 */

#ifndef GENERIC_SSHFP_44_H
#define GENERIC_SSHFP_44_H 1

typedef struct dns_rdata_sshfp {
	dns_rdatacommon_t	common;
	isc_mem_t		*mctx;
	uint8_t		algorithm;
	uint8_t		digest_type;
	uint16_t		length;
	unsigned char		*digest;
} dns_rdata_sshfp_t;

#endif /* GENERIC_SSHFP_44_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

#ifndef GENERIC_IPSECKEY_45_H
#define GENERIC_IPSECKEY_45_H 1

typedef struct dns_rdata_ipseckey {
	dns_rdatacommon_t	common;
	isc_mem_t		*mctx;
	uint8_t		precedence;
	uint8_t		gateway_type;
	uint8_t		algorithm;
	struct in_addr		in_addr;	/* gateway type 1 */
	struct in6_addr		in6_addr;	/* gateway type 2 */
	dns_name_t		gateway;	/* gateway type 3 */
	unsigned char		*key;
	uint16_t		keylength;
} dns_rdata_ipseckey_t;

#endif /* GENERIC_IPSECKEY_45_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

#ifndef GENERIC_DNSSIG_46_H
#define GENERIC_DNSSIG_46_H 1

/*!
 *  \brief Per RFC2535 */
typedef struct dns_rdata_rrsig {
	dns_rdatacommon_t	common;
	isc_mem_t *		mctx;
	dns_rdatatype_t		covered;
	dns_secalg_t		algorithm;
	uint8_t		labels;
	uint32_t		originalttl;
	uint32_t		timeexpire;
	uint32_t		timesigned;
	uint16_t		keyid;
	dns_name_t		signer;
	uint16_t		siglen;
	unsigned char *		signature;
} dns_rdata_rrsig_t;

#endif /* GENERIC_DNSSIG_46_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

#ifndef GENERIC_NSEC_47_H
#define GENERIC_NSEC_47_H 1

/*!
 * \brief Per RFC 3845 */

typedef struct dns_rdata_nsec {
	dns_rdatacommon_t	common;
	isc_mem_t		*mctx;
	dns_name_t		next;
	unsigned char		*typebits;
	uint16_t		len;
} dns_rdata_nsec_t;

#endif /* GENERIC_NSEC_47_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

#ifndef GENERIC_DNSKEY_48_H
#define GENERIC_DNSKEY_48_H 1

/*!
 *  \brief per RFC2535
 */

typedef struct dns_rdata_key dns_rdata_dnskey_t;

#endif /* GENERIC_DNSKEY_48_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

/* */
#ifndef IN_1_DHCID_49_H
#define IN_1_DHCID_49_H 1

typedef struct dns_rdata_in_dhcid {
	dns_rdatacommon_t	common;
	isc_mem_t		*mctx;
	unsigned char		*dhcid;
	unsigned int		length;
} dns_rdata_in_dhcid_t;

#endif /* IN_1_DHCID_49_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

#ifndef GENERIC_NSEC3_50_H
#define GENERIC_NSEC3_50_H 1

/*!
 * \brief Per RFC 5155 */

#include <isc/iterated_hash.h>

typedef struct dns_rdata_nsec3 {
	dns_rdatacommon_t	common;
	isc_mem_t		*mctx;
	dns_hash_t		hash;
	unsigned char		flags;
	dns_iterations_t	iterations;
	unsigned char		salt_length;
	unsigned char		next_length;
	uint16_t		len;
	unsigned char		*salt;
	unsigned char		*next;
	unsigned char		*typebits;
} dns_rdata_nsec3_t;

/*
 * The corresponding NSEC3 interval is OPTOUT indicating possible
 * insecure delegations.
 */
#define DNS_NSEC3FLAG_OPTOUT 0x01U

/*%
 * The following flags are used in the private-type record (implemented in
 * lib/dns/private.c) which is used to store NSEC3PARAM data during the
 * time when it is not legal to have an actual NSEC3PARAM record in the
 * zone.  They are defined here because the private-type record uses the
 * same flags field for the OPTOUT flag above and for the private flags
 * below.  XXX: This should be considered for refactoring.
 */

/*%
 * Non-standard, private type only.
 *
 * Create a corresponding NSEC3 chain.
 * Once the NSEC3 chain is complete this flag will be removed to signal
 * that there is a complete chain.
 *
 * This flag is automatically set when a NSEC3PARAM record is added to
 * the zone via UPDATE.
 *
 * NSEC3PARAM records containing this flag should never be published,
 * but if they are, they should be ignored by RFC 5155 compliant
 * nameservers.
 */
#define DNS_NSEC3FLAG_CREATE 0x80U

/*%
 * Non-standard, private type only.
 *
 * The corresponding NSEC3 set is to be removed once the NSEC chain
 * has been generated.
 *
 * This flag is automatically set when the last active NSEC3PARAM record
 * is removed from the zone via UPDATE.
 *
 * NSEC3PARAM records containing this flag should never be published,
 * but if they are, they should be ignored by RFC 5155 compliant
 * nameservers.
 */
#define DNS_NSEC3FLAG_REMOVE 0x40U

/*%
 * Non-standard, private type only.
 *
 * When set with the CREATE flag, a corresponding NSEC3 chain will be
 * created when the zone becomes capable of supporting one (i.e., when it
 * has a DNSKEY RRset containing at least one NSEC3-capable algorithm).
 * Without this flag, NSEC3 chain creation would be attempted immediately,
 * fail, and the private type record would be removed.  With it, the NSEC3
 * parameters are stored until they can be used.  When the zone has the
 * necessary prerequisites for NSEC3, then the INITIAL flag can be cleared,
 * and the record will be cleaned up normally.
 *
 * NSEC3PARAM records containing this flag should never be published, but
 * if they are, they should be ignored by RFC 5155 compliant nameservers.
 */
#define DNS_NSEC3FLAG_INITIAL 0x20U

/*%
 * Non-standard, private type only.
 *
 * Prevent the creation of a NSEC chain before the last NSEC3 chain
 * is removed.  This will normally only be set when the zone is
 * transitioning from secure with NSEC3 chains to insecure.
 *
 * NSEC3PARAM records containing this flag should never be published,
 * but if they are, they should be ignored by RFC 5155 compliant
 * nameservers.
 */
#define DNS_NSEC3FLAG_NONSEC 0x10U

#endif /* GENERIC_NSEC3_50_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

#ifndef GENERIC_NSEC3PARAM_51_H
#define GENERIC_NSEC3PARAM_51_H 1

/*!
 * \brief Per RFC 5155 */

#include <isc/iterated_hash.h>

typedef struct dns_rdata_nsec3param {
	dns_rdatacommon_t	common;
	isc_mem_t		*mctx;
	dns_hash_t		hash;
	unsigned char		flags;		/* DNS_NSEC3FLAG_* */
	dns_iterations_t	iterations;
	unsigned char		salt_length;
	unsigned char		*salt;
} dns_rdata_nsec3param_t;

#endif /* GENERIC_NSEC3PARAM_51_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

#ifndef GENERIC_TLSA_52_H
#define GENERIC_TLSA_52_H 1

/*!
 *  \brief per rfc6698.txt
 */
typedef struct dns_rdata_tlsa {
	dns_rdatacommon_t	common;
	isc_mem_t		*mctx;
	uint8_t		usage;
	uint8_t		selector;
	uint8_t		match;
	uint16_t		length;
	unsigned char		*data;
} dns_rdata_tlsa_t;

#endif /* GENERIC_TLSA_52_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

#ifndef GENERIC_SMIMEA_53_H
#define GENERIC_SMIMEA_53_H 1

typedef struct dns_rdata_tlsa dns_rdata_smimea_t;

#endif /* GENERIC_SMIMEA_53_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

#ifndef GENERIC_HIP_5_H
#define GENERIC_HIP_5_H 1

/* RFC 5205 */

typedef struct dns_rdata_hip {
	dns_rdatacommon_t	common;
	isc_mem_t *		mctx;
	unsigned char *		hit;
	unsigned char *		key;
	unsigned char *		servers;
	uint8_t		algorithm;
	uint8_t		hit_len;
	uint16_t		key_len;
	uint16_t		servers_len;
	/* Private */
	uint16_t		offset;
} dns_rdata_hip_t;

isc_result_t
dns_rdata_hip_first(dns_rdata_hip_t *);

isc_result_t
dns_rdata_hip_next(dns_rdata_hip_t *);

void
dns_rdata_hip_current(dns_rdata_hip_t *, dns_name_t *);

#endif /* GENERIC_HIP_5_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

/* */
#ifndef GENERIC_NINFO_56_H
#define GENERIC_NINFO_56_H 1

typedef struct dns_rdata_txt_string dns_rdata_ninfo_string_t;

typedef struct dns_rdata_txt dns_rdata_ninfo_t;

/*
 * ISC_LANG_BEGINDECLS and ISC_LANG_ENDDECLS are already done
 * via rdatastructpre.h and rdatastructsuf.h.
 */

isc_result_t
dns_rdata_ninfo_first(dns_rdata_ninfo_t *);

isc_result_t
dns_rdata_ninfo_next(dns_rdata_ninfo_t *);

isc_result_t
dns_rdata_ninfo_current(dns_rdata_ninfo_t *, dns_rdata_ninfo_string_t *);

#endif /* GENERIC_NINFO_16_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

#ifndef GENERIC_RKEY_57_H
#define GENERIC_RKEY_57_H 1

typedef struct dns_rdata_key dns_rdata_rkey_t;

#endif /* GENERIC_RKEY_57_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

/* http://www.iana.org/assignments/dns-parameters/TALINK/talink-completed-template */

#ifndef GENERIC_TALINK_58_H
#define GENERIC_TALINK_58_H 1

typedef struct dns_rdata_talink {
	dns_rdatacommon_t	common;
	isc_mem_t		*mctx;
	dns_name_t		prev;
	dns_name_t		next;
} dns_rdata_talink_t;

#endif /* GENERIC_TALINK_58_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

#ifndef GENERIC_CDS_59_H
#define GENERIC_CDS_59_H 1

/* CDS records have the same RDATA fields as DS records. */
typedef struct dns_rdata_ds dns_rdata_cds_t;

#endif /* GENERIC_CDS_59_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

#ifndef GENERIC_CDNSKEY_60_H
#define GENERIC_CDNSKEY_60_H 1

/* CDNSKEY records have the same RDATA fields as DNSKEY records. */
typedef struct dns_rdata_key dns_rdata_cdnskey_t;

#endif /* GENERIC_CDNSKEY_60_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

#ifndef GENERIC_OPENPGPKEY_61_H
#define GENERIC_OPENPGPKEY_61_H 1

typedef struct dns_rdata_openpgpkey {
	dns_rdatacommon_t	common;
	isc_mem_t *		mctx;
	uint16_t		length;
	unsigned char *		keyring;
} dns_rdata_openpgpkey_t;

#endif /* GENERIC_OPENPGPKEY_61_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

#ifndef GENERIC_CSYNC_62_H
#define GENERIC_CSYNC_62_H 1

/*!
 * \brief Per RFC 7477
 */

typedef struct dns_rdata_csync {
	dns_rdatacommon_t	common;
	isc_mem_t		*mctx;
	uint32_t		serial;
	uint16_t		flags;
	unsigned char		*typebits;
	uint16_t		len;
} dns_rdata_csync_t;

#endif /* GENERIC_CSYNC_62_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

#ifndef GENERIC_ZONEMD_63_H
#define GENERIC_ZONEMD_63_H 1

/* Known digest type(s). */
#define DNS_ZONEMD_DIGEST_SHA384 (1)
#define DNS_ZONEMD_DIGEST_SHA512 (2)

/*
 *  \brief per RFC 8976
 */
typedef struct dns_rdata_zonemd {
	dns_rdatacommon_t common;
	isc_mem_t *mctx;
	uint32_t serial;
	uint8_t scheme;
	uint8_t digest_type;
	unsigned char *digest;
	uint16_t length;
} dns_rdata_zonemd_t;

#endif /* GENERIC_ZONEMD_63_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

#ifndef GENERIC_SPF_99_H
#define GENERIC_SPF_99_H 1

typedef struct dns_rdata_spf_string {
		uint8_t    length;
		unsigned char   *data;
} dns_rdata_spf_string_t;

typedef struct dns_rdata_spf {
	dns_rdatacommon_t       common;
	isc_mem_t               *mctx;
	unsigned char           *txt;
	uint16_t            txt_len;
	/* private */
	uint16_t            offset;
} dns_rdata_spf_t;

/*
 * ISC_LANG_BEGINDECLS and ISC_LANG_ENDDECLS are already done
 * via rdatastructpre.h and rdatastructsuf.h.
 */
#endif /* GENERIC_SPF_99_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

/* */
#ifndef GENERIC_NID_104_H
#define GENERIC_NID_104_H 1

typedef struct dns_rdata_nid {
	dns_rdatacommon_t	common;
	uint16_t		pref;
	unsigned char		nid[8];
} dns_rdata_nid_t;

#endif /* GENERIC_NID_104_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

/* */
#ifndef GENERIC_L32_105_H
#define GENERIC_L32_105_H 1

typedef struct dns_rdata_l32 {
	dns_rdatacommon_t	common;
	uint16_t		pref;
	struct in_addr		l32;
} dns_rdata_l32_t;

#endif /* GENERIC_L32_105_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

/* */
#ifndef GENERIC_L64_106_H
#define GENERIC_L64_106_H 1

typedef struct dns_rdata_l64 {
	dns_rdatacommon_t	common;
	uint16_t		pref;
	unsigned char		l64[8];
} dns_rdata_l64_t;

#endif /* GENERIC_L64_106_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

/* */
#ifndef GENERIC_LP_107_H
#define GENERIC_LP_107_H 1

typedef struct dns_rdata_lp {
	dns_rdatacommon_t	common;
	isc_mem_t		*mctx;
	uint16_t		pref;
	dns_name_t		lp;
} dns_rdata_lp_t;

#endif /* GENERIC_LP_107_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

/* */
#ifndef GENERIC_EUI48_108_H
#define GENERIC_EUI48_108_H 1

typedef struct dns_rdata_eui48 {
	dns_rdatacommon_t	common;
	unsigned char		eui48[6];
} dns_rdata_eui48_t;

#endif /* GENERIC_EUI48_10k_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

/* */
#ifndef GENERIC_EUI64_109_H
#define GENERIC_EUI64_109_H 1

typedef struct dns_rdata_eui64 {
	dns_rdatacommon_t	common;
	unsigned char		eui64[8];
} dns_rdata_eui64_t;

#endif /* GENERIC_EUI64_10k_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

#ifndef GENERIC_TKEY_249_H
#define GENERIC_TKEY_249_H 1

/*!
 *  \brief Per draft-ietf-dnsind-tkey-00.txt */

typedef struct dns_rdata_tkey {
	dns_rdatacommon_t	common;
	isc_mem_t *		mctx;
	dns_name_t		algorithm;
	uint32_t		inception;
	uint32_t		expire;
	uint16_t		mode;
	uint16_t		error;
	uint16_t		keylen;
	unsigned char *		key;
	uint16_t		otherlen;
	unsigned char *		other;
} dns_rdata_tkey_t;

#endif /* GENERIC_TKEY_249_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

#ifndef ANY_255_TSIG_250_H
#define ANY_255_TSIG_250_H 1

/*% RFC2845 */
typedef struct dns_rdata_any_tsig {
	dns_rdatacommon_t	common;
	isc_mem_t *		mctx;
	dns_name_t		algorithm;
	uint64_t		timesigned;
	uint16_t		fudge;
	uint16_t		siglen;
	unsigned char *		signature;
	uint16_t		originalid;
	uint16_t		error;
	uint16_t		otherlen;
	unsigned char *		other;
} dns_rdata_any_tsig_t;

#endif /* ANY_255_TSIG_250_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

#ifndef GENERIC_URI_256_H
#define GENERIC_URI_256_H 1

typedef struct dns_rdata_uri {
	dns_rdatacommon_t	common;
	isc_mem_t *		mctx;
	uint16_t		priority;
	uint16_t		weight;
	unsigned char *		target;
	uint16_t		tgt_len;
} dns_rdata_uri_t;

#endif /* GENERIC_URI_256_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

#ifndef GENERIC_CAA_257_H
#define GENERIC_CAA_257_H 1

typedef struct dns_rdata_caa {
	dns_rdatacommon_t	common;
	isc_mem_t *		mctx;
	uint8_t		flags;
	unsigned char *		tag;
	uint8_t		tag_len;
	unsigned char		*value;
	uint16_t		value_len;
} dns_rdata_caa_t;

#endif /* GENERIC_CAA_257_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

#ifndef GENERIC_AVC_258_H
#define GENERIC_AVC_258_H 1

typedef dns_rdata_txt_string_t dns_rdata_avc_string_t;

typedef struct dns_rdata_avc {
	dns_rdatacommon_t       common;
	isc_mem_t               *mctx;
	unsigned char           *data;
	uint16_t            length;
	/* private */
	uint16_t            offset;
} dns_rdata_avc_t;

/*
 * ISC_LANG_BEGINDECLS and ISC_LANG_ENDDECLS are already done
 * via rdatastructpre.h and rdatastructsuf.h.
 */
#endif /* GENERIC_AVC_258_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

#ifndef GENERIC_DOA_259_H
#define GENERIC_DOA_259_H 1

typedef struct dns_rdata_doa {
	dns_rdatacommon_t	common;
	isc_mem_t *		mctx;
	unsigned char *		mediatype;
	unsigned char *		data;
	uint32_t		enterprise;
	uint32_t		type;
	uint16_t		data_len;
	uint8_t		location;
	uint8_t		mediatype_len;
} dns_rdata_doa_t;

#endif /* GENERIC_DOA_259_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

#ifndef GENERIC_AMTRELAY_260_H
#define GENERIC_AMTRELAY_260_H 1

typedef struct dns_rdata_amtrelay {
	dns_rdatacommon_t	common;
	isc_mem_t		*mctx;
	uint8_t			precedence;
	bool			discovery;
	uint8_t			gateway_type;
	struct in_addr		in_addr;	/* gateway type 1 */
	struct in6_addr		in6_addr;	/* gateway type 2 */
	dns_name_t		gateway;	/* gateway type 3 */
	unsigned char		*data;		/* gateway type > 3 */
	uint16_t		length;
} dns_rdata_amtrelay_t;

#endif /* GENERIC_AMTRELAY_260_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

#ifndef GENERIC_TA_32768_H
#define GENERIC_TA_32768_H 1

/*
 * TA records are identical to DS records.
 */
typedef struct dns_rdata_ds dns_rdata_ta_t;

#endif /* GENERIC_TA_32768_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

/* draft-ietf-dnsext-delegation-signer-05.txt */
#ifndef GENERIC_DLV_32769_H
#define GENERIC_DLV_32769_H 1

typedef struct dns_rdata_ds dns_rdata_dlv_t;

#endif /* GENERIC_DLV_32769_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

#ifndef GENERIC_KEYDATA_65533_H
#define GENERIC_KEYDATA_65533_H 1

typedef struct dns_rdata_keydata {
	dns_rdatacommon_t	common;
	isc_mem_t *		mctx;
	uint32_t		refresh;      /* Timer for refreshing data */
	uint32_t		addhd;	      /* Hold-down timer for adding */
	uint32_t		removehd;     /* Hold-down timer for removing */
	uint16_t		flags;	      /* Copy of DNSKEY_48 */
	dns_secproto_t		protocol;
	dns_secalg_t		algorithm;
	uint16_t		datalen;
	unsigned char *		data;
} dns_rdata_keydata_t;

#endif /* GENERIC_KEYDATA_65533_H */
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

ISC_LANG_ENDDECLS

#endif /* DNS_RDATASTRUCT_H */

MR SKB