/usr/include/dnsdb/nsec3_item.h is in libyadifa-dev 2.2.3-1+deb9u1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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*
* Copyright (c) 2011-2016, EURid. All rights reserved.
* The YADIFA TM software product is provided under the BSD 3-clause license:
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of EURid nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
*------------------------------------------------------------------------------
*
*/
/** @defgroup nsec3 NSEC3 functions
* @ingroup dnsdbdnssec
* @brief
*
*
*
* @{
*
*----------------------------------------------------------------------------*/
#ifndef _NSEC3_ITEM_H
#define _NSEC3_ITEM_H
#include <dnsdb/nsec3_types.h>
#include <dnscore/output_stream.h>
#ifdef __cplusplus
extern "C"
{
#endif
/* NOTE: The first byte of the digest is its length */
nsec3_zone_item *nsec3_zone_item_find(nsec3_zone *n3, const u8 *digest);
/**
*
* @param n3
* @param dnsnamedigest
* @return
*/
nsec3_zone_item *nsec3_zone_item_find_by_name(nsec3_zone *n3, const u8 *dnsnamedigest);
/**
*
* Also returns the nsec3 chain.
*
* @param zone
* @param nsec3_label
* @param out_n3
* @return
*/
nsec3_zone_item *nsec3_zone_item_find_by_name_ext(zdb_zone *zone, const u8 *nsec3_label, nsec3_zone **out_n3);
nsec3_zone_item *nsec3_zone_item_find_by_record(zdb_zone *zone, const u8 *fqdn, u16 rdata_size, const u8 *rdata);
bool nsec3_zone_item_equals_rdata(
const nsec3_zone* n3,
const nsec3_zone_item *item,
u16 rdata_size,
const u8* rdata);
bool
nsec3_zone_item_equals_rdata_lenient(const nsec3_zone* n3,
const nsec3_zone_item *item,
u16 rdata_size,
const u8* rdata);
ya_result nsec3_zone_item_to_zdb_packed_ttlrdata(
const nsec3_zone* n3,
const nsec3_zone_item *item,
const u8* origin,
u8* out_owner, /* dnsname */
u32 ttl,
zdb_packed_ttlrdata* nsec3,
u32 nsec3_max_size,
const zdb_packed_ttlrdata** out_nsec3_rrsig);
struct nsec3_zone_item_to_new_zdb_packed_ttlrdata_parm
{
const nsec3_zone* n3;
const nsec3_zone_item *item;
const u8* origin;
u8 * restrict * pool; // memory pool
u32 ttl;
};
typedef struct nsec3_zone_item_to_new_zdb_packed_ttlrdata_parm nsec3_zone_item_to_new_zdb_packed_ttlrdata_parm;
#define NSEC3_ZONE_ITEM_TO_NEW_ZDB_PACKED_TTLRDATA_SIZE (ALIGN16(MAX_DOMAIN_LENGTH) + ALIGN16(NSEC3_ZONE_STRUCT_SIZE_FROM_SALT(255)))
void nsec3_zone_item_to_new_zdb_packed_ttlrdata(
nsec3_zone_item_to_new_zdb_packed_ttlrdata_parm *nsec3_parms,
u8 **out_owner_p, /* dnsname */
zdb_packed_ttlrdata** out_nsec3,
const zdb_packed_ttlrdata** out_nsec3_rrsig);
u32 nsec3_zone_item_get_label(
const nsec3_zone_item *item,
u8* output_buffer,
u32 buffer_size);
void nsec3_zone_item_write_owner( output_stream* os,
const nsec3_zone_item *item,
const u8* origin);
void nsec3_zone_item_to_output_stream(output_stream* os,
const nsec3_zone* n3,
const nsec3_zone_item *item,
const u8* origin,
u32 ttl);
void nsec3_zone_item_rrsig_del_by_keytag(nsec3_zone_item *item, u16 native_key_tag);
void nsec3_zone_item_rrsig_del(nsec3_zone_item *item, const zdb_ttlrdata *nsec3_rrsig);
void nsec3_zone_item_rrsig_add(nsec3_zone_item *item, zdb_packed_ttlrdata *nsec3_rrsig);
/*
* Deletes ALL rrsig in the NSEC3 item
*/
void nsec3_zone_item_rrsig_delete_all(nsec3_zone_item *item);
/*
* Empties an nsec3_zone_item
*
* Only frees the payload : owners, stars, bitmap, rrsig
*
* This should be followed by the destruction of the item itself
*/
void nsec3_zone_item_empties(nsec3_zone_item *item);
/*
* Sets the type bitmap of the nsec3 item to match the one in the rdata
* Does nothing if the bitmap is already ok
*
* NOTE: Remember that the item does not contain
*
* _ hash_algorithm
* _ iterations
* _ salt_length
* _ salt
* _ hash_length
* _ next_hashed_owner_name
*/
ya_result nsec3_zone_item_update_bitmap(nsec3_zone_item *nsec3_item, const u8 *rdata, u16 rdatasize);
typedef struct nsec3_item_format_writer_args nsec3_item_format_writer_args;
struct nsec3_item_format_writer_args
{
const u8 *origin;
const nsec3_zone* n3;
const nsec3_zone_item* item;
s32 ttl;
};
/**
* This helper macro declares a format_writer variable to be used with %w
*
* It has been written for debug builds.
*
* usage:
* DECLARE_NSEC3_ITEM_FORMAT_WRITER(myvar, origin, n3, nsec3_item, 600);
* format("%w", &myvar);
*
* The implementation is not very efficient. It first writes the record as a wire, then prints the wire using the "normal" call.
*
* The callback should NOT be registered as a format class.
*/
#define DECLARE_NSEC3_ITEM_FORMAT_WRITER(variable_name_,origin_,n3_,item_,ttl_) \
const nsec3_item_format_writer_args variable_name_##args = {(origin_),(n3_),(item_),(ttl_)}; \
const format_writer variable_name_ = {nsec3_item_format_writer_callback, &variable_name_##args};
void nsec3_item_format_writer_callback(const void*, output_stream*, s32, char, bool, void* reserved_for_method_parameters);
#ifdef __cplusplus
}
#endif
#endif /* _NSEC3_ITEM_H */
/** @} */
/*----------------------------------------------------------------------------*/
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