✏️ Editing: keymgr.h Read Only

/*
 * 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_KEYMGR_H
#define DNS_KEYMGR_H 1

/*! \file dns/keymgr.h */

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

#include <dns/types.h>

#include <dst/dst.h>

ISC_LANG_BEGINDECLS

isc_result_t
dns_keymgr_run(const dns_name_t *origin, dns_rdataclass_t rdclass,
	       const char *directory, isc_mem_t *mctx,
	       dns_dnsseckeylist_t *keyring, dns_dnsseckeylist_t *dnskeys,
	       dns_kasp_t *kasp, isc_stdtime_t now, isc_stdtime_t *nexttime);
/*%<
 * Manage keys in 'keyring' and update timing data according to 'kasp' policy.
 * Create new keys for 'origin' if necessary in 'directory'.  Append all such
 * keys, along with use hints gleaned from their metadata, onto 'keyring'.
 *
 * Update key states and store changes back to disk. Store when to run next
 * in 'nexttime'.
 *
 *	Requires:
 *\li		'origin' is a valid FQDN.
 *\li		'mctx' is a valid memory context.
 *\li		'keyring' is not NULL.
 *\li		'kasp' is not NULL.
 *
 *	Returns:
 *\li		#ISC_R_SUCCESS
 *\li		any error returned by dst_key_generate(), isc_dir_open(),
 *		dst_key_to_file(), or dns_dnsseckey_create().
 *
 *	Ensures:
 *\li		On error, keypool is unchanged
 */

isc_result_t
dns_keymgr_checkds(dns_kasp_t *kasp, dns_dnsseckeylist_t *keyring,
		   const char *directory, isc_stdtime_t now, isc_stdtime_t when,
		   bool dspublish);
isc_result_t
dns_keymgr_checkds_id(dns_kasp_t *kasp, dns_dnsseckeylist_t *keyring,
		      const char *directory, isc_stdtime_t now,
		      isc_stdtime_t when, bool dspublish, dns_keytag_t id,
		      unsigned int algorithm);
/*%<
 * Check DS for one key in 'keyring'. The key must have the KSK role.
 * If 'dspublish' is set to true, set the DS Publish time to 'now'.
 * If 'dspublish' is set to false, set the DS Removed time to 'now'.
 * If a specific key 'id' is given it must match the keytag.
 * If the 'algorithm' is non-zero, it must match the key's algorithm.
 * The result is stored in the key state file.
 *
 *	Requires:
 *\li		'kasp' is not NULL.
 *\li		'keyring' is not NULL.
 *
 *	Returns:
 *\li		#ISC_R_SUCCESS (No error).
 *\li		#DNS_R_NOKEYMATCH (No matching keys found).
 *\li		#DNS_R_TOOMANYKEYS (More than one matching keys found).
 *
 */

isc_result_t
dns_keymgr_rollover(dns_kasp_t *kasp, dns_dnsseckeylist_t *keyring,
		    const char *directory, isc_stdtime_t now,
		    isc_stdtime_t when, dns_keytag_t id,
		    unsigned int algorithm);
/*%<
 * Rollover key with given 'id'. If the 'algorithm' is non-zero, it must
 * match the key's algorithm. The changes are stored in the key state file.
 *
 * A rollover means adjusting the key metadata so that keymgr will start the
 * actual rollover on the next run. Update the 'inactive' time and adjust
 * key lifetime to match the 'when' to rollover time.
 *
 * The 'when' time may be in the past. In that case keymgr will roll the
 * key as soon as possible.
 *
 * The 'when' time may be in the future. This may extend the lifetime,
 * overriding the default lifetime from the policy.
 *
 *	Requires:
 *\li		'kasp' is not NULL.
 *\li		'keyring' is not NULL.
 *
 *	Returns:
 *\li		#ISC_R_SUCCESS (No error).
 *\li		#DNS_R_NOKEYMATCH (No matching keys found).
 *\li		#DNS_R_TOOMANYKEYS (More than one matching keys found).
 *\li		#DNS_R_KEYNOTACTIVE (Key is not active).
 *
 */

void
dns_keymgr_status(dns_kasp_t *kasp, dns_dnsseckeylist_t *keyring,
		  isc_stdtime_t now, char *out, size_t out_len);
/*%<
 * Retrieve the status of given 'kasp' policy and keys in the
 * 'keyring' and store the printable output in the 'out' buffer.
 *
 *	Requires:
 *\li		'kasp' is not NULL.
 *\li		'keyring' is not NULL.
 *\li		'out' is not NULL.
 *
 *	Returns:
 *\li		Printable status in 'out'.
 *
 */

ISC_LANG_ENDDECLS

#endif /* DNS_KEYMGR_H */

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