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cf4e1143ea
trusted-keys do not attempt to validate the DNSKEY
using the parents DS RRset. [RT #15649]
255 lines
5.4 KiB
C
255 lines
5.4 KiB
C
/*
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* Copyright (C) 2004, 2005 Internet Systems Consortium, Inc. ("ISC")
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* Copyright (C) 2000, 2001 Internet Software Consortium.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
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* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
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* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
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* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
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* OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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/* $Id: keytable.h,v 1.11.18.3 2005/12/05 00:00:03 marka Exp $ */
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#ifndef DNS_KEYTABLE_H
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#define DNS_KEYTABLE_H 1
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/*****
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***** Module Info
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*****/
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/*! \file
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* \brief
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* The keytable module provides services for storing and retrieving DNSSEC
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* trusted keys, as well as the ability to find the deepest matching key
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* for a given domain name.
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*
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* MP:
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*\li The module ensures appropriate synchronization of data structures it
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* creates and manipulates.
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*
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* Resources:
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*\li TBS
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*
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* Security:
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*\li No anticipated impact.
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*/
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#include <isc/lang.h>
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#include <dns/types.h>
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#include <dst/dst.h>
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ISC_LANG_BEGINDECLS
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isc_result_t
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dns_keytable_create(isc_mem_t *mctx, dns_keytable_t **keytablep);
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/*%<
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* Create a keytable.
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*
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* Requires:
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*
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*\li 'mctx' is a valid memory context.
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*
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*\li keytablep != NULL && *keytablep == NULL
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*
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* Ensures:
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*
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*\li On success, *keytablep is a valid, empty key table.
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*
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* Returns:
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*
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*\li ISC_R_SUCCESS
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*
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*\li Any other result indicates failure.
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*/
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void
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dns_keytable_attach(dns_keytable_t *source, dns_keytable_t **targetp);
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/*%<
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* Attach *targetp to source.
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*
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* Requires:
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*
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*\li 'source' is a valid keytable.
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*
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*\li 'targetp' points to a NULL dns_keytable_t *.
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*
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* Ensures:
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*
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*\li *targetp is attached to source.
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*/
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void
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dns_keytable_detach(dns_keytable_t **keytablep);
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/*%<
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* Detach *keytablep from its keytable.
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*
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* Requires:
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*
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*\li 'keytablep' points to a valid keytable.
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*
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* Ensures:
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*
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*\li *keytablep is NULL.
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*
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*\li If '*keytablep' is the last reference to the keytable,
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* all resources used by the keytable will be freed
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*/
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isc_result_t
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dns_keytable_add(dns_keytable_t *keytable, dst_key_t **keyp);
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/*%<
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* Add '*keyp' to 'keytable'.
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*
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* Notes:
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*
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*\li Ownership of *keyp is transferred to the keytable.
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*
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* Requires:
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*
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*\li keyp != NULL && *keyp is a valid dst_key_t *.
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*
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* Ensures:
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*
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*\li On success, *keyp == NULL
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*
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* Returns:
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*
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*\li ISC_R_SUCCESS
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*
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*\li Any other result indicates failure.
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*/
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isc_result_t
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dns_keytable_findkeynode(dns_keytable_t *keytable, dns_name_t *name,
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dns_secalg_t algorithm, dns_keytag_t tag,
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dns_keynode_t **keynodep);
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/*%<
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* Search for a key named 'name', matching 'algorithm' and 'tag' in
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* 'keytable'. This finds the first instance which matches. Use
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* dns_keytable_findnextkeynode() to find other instances.
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*
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* Requires:
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*
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*\li 'keytable' is a valid keytable.
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*
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*\li 'name' is a valid absolute name.
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*
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*\li keynodep != NULL && *keynodep == NULL
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*
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* Returns:
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*
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*\li ISC_R_SUCCESS
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*\li DNS_R_PARTIALMATCH the name existed in the keytable.
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*\li ISC_R_NOTFOUND
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*
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*\li Any other result indicates an error.
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*/
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isc_result_t
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dns_keytable_findnextkeynode(dns_keytable_t *keytable, dns_keynode_t *keynode,
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dns_keynode_t **nextnodep);
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/*%<
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* Search for the next key with the same properties as 'keynode' in
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* 'keytable' as found by dns_keytable_findkeynode().
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*
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* Requires:
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*
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*\li 'keytable' is a valid keytable.
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*
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*\li 'keynode' is a valid keynode.
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*
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*\li nextnodep != NULL && *nextnodep == NULL
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*
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* Returns:
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*
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*\li ISC_R_SUCCESS
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*\li ISC_R_NOTFOUND
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*
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*\li Any other result indicates an error.
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*/
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isc_result_t
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dns_keytable_finddeepestmatch(dns_keytable_t *keytable, dns_name_t *name,
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dns_name_t *foundname);
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/*%<
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* Search for the deepest match of 'name' in 'keytable'.
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*
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* Requires:
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*
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*\li 'keytable' is a valid keytable.
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*
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*\li 'name' is a valid absolute name.
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*
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*\li 'foundname' is a name with a dedicated buffer.
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*
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* Returns:
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*
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*\li ISC_R_SUCCESS
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*\li ISC_R_NOTFOUND
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*
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*\li Any other result indicates an error.
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*/
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void
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dns_keytable_detachkeynode(dns_keytable_t *keytable,
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dns_keynode_t **keynodep);
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/*%<
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* Give back a keynode found via dns_keytable_findkeynode().
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*
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* Requires:
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*
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*\li 'keytable' is a valid keytable.
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*
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*\li *keynodep is a valid keynode returned by a call to
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* dns_keytable_findkeynode().
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*
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* Ensures:
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*
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*\li *keynodep == NULL
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*/
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isc_result_t
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dns_keytable_issecuredomain(dns_keytable_t *keytable, dns_name_t *name,
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isc_boolean_t *wantdnssecp);
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/*%<
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* Is 'name' at or beneath a trusted key?
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*
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* Requires:
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*
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*\li 'keytable' is a valid keytable.
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*
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*\li 'name' is a valid absolute name.
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*
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*\li '*wantsdnssecp' is a valid isc_boolean_t.
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*
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* Ensures:
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*
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*\li On success, *wantsdnssecp will be ISC_TRUE if and only if 'name'
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* is at or beneath a trusted key.
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*
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* Returns:
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*
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*\li ISC_R_SUCCESS
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*
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*\li Any other result is an error.
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*/
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dst_key_t *
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dns_keynode_key(dns_keynode_t *keynode);
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/*%<
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* Get the DST key associated with keynode.
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*/
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ISC_LANG_ENDDECLS
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#endif /* DNS_KEYTABLE_H */
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