FM / dns

/usr/include/bind9/dns

Name	Size	Mode	Actions
acache.h	14232	0644	edit dl rm
acl.h	7242	0644	edit dl rm
adb.h	22595	0644	edit dl rm
badcache.h	3369	0644	edit dl rm
bit.h	807	0644	edit dl rm
byaddr.h	4002	0644	edit dl rm
cache.h	8643	0644	edit dl rm
callbacks.h	2271	0644	edit dl rm
catz.h	11833	0644	edit dl rm
cert.h	1466	0644	edit dl rm
client.h	22042	0644	edit dl rm
clientinfo.h	2006	0644	edit dl rm
compress.h	6646	0644	edit dl rm
db.h	47061	0644	edit dl rm
dbiterator.h	7422	0644	edit dl rm
dbtable.h	3165	0644	edit dl rm
diff.h	6980	0644	edit dl rm
dispatch.h	16427	0644	edit dl rm
dlz.h	10618	0644	edit dl rm
dlz_dlopen.h	4677	0644	edit dl rm
dns64.h	5635	0644	edit dl rm
dnssec.h	12371	0644	edit dl rm
dnstap.h	9364	0644	edit dl rm
ds.h	1225	0644	edit dl rm
dsdigest.h	1722	0644	edit dl rm
dyndb.h	4835	0644	edit dl rm
ecdb.h	809	0644	edit dl rm
edns.h	722	0644	edit dl rm
enumclass.h	1220	0644	edit dl rm
enumtype.h	8300	0644	edit dl rm
events.h	4059	0644	edit dl rm
fixedname.h	1663	0644	edit dl rm
forward.h	3452	0644	edit dl rm
geoip.h	2792	0644	edit dl rm
ipkeylist.h	2186	0644	edit dl rm
iptable.h	1621	0644	edit dl rm
journal.h	8227	0644	edit dl rm
keydata.h	1059	0644	edit dl rm
keyflags.h	1278	0644	edit dl rm
keytable.h	9462	0644	edit dl rm
keyvalues.h	4159	0644	edit dl rm
lib.h	1192	0644	edit dl rm
log.h	3964	0644	edit dl rm
lookup.h	2924	0644	edit dl rm
master.h	11289	0644	edit dl rm
masterdump.h	12647	0644	edit dl rm
message.h	39023	0644	edit dl rm
name.h	37115	0644	edit dl rm
ncache.h	4929	0644	edit dl rm
nsec.h	3397	0644	edit dl rm
nsec3.h	8032	0644	edit dl rm
nta.h	4548	0644	edit dl rm
opcode.h	1007	0644	edit dl rm
order.h	1999	0644	edit dl rm
peer.h	5966	0644	edit dl rm
portlist.h	2101	0644	edit dl rm
private.h	1935	0644	edit dl rm
rbt.h	40618	0644	edit dl rm
rcode.h	2481	0644	edit dl rm
rdata.h	21613	0644	edit dl rm
rdataclass.h	2257	0644	edit dl rm
rdatalist.h	2569	0644	edit dl rm
rdataset.h	21536	0644	edit dl rm
rdatasetiter.h	3926	0644	edit dl rm
rdataslab.h	4528	0644	edit dl rm
rdatastruct.h	61584	0644	edit dl rm
rdatatype.h	2298	0644	edit dl rm
request.h	11156	0644	edit dl rm
resolver.h	20227	0644	edit dl rm
result.h	9284	0644	edit dl rm
rootns.h	892	0644	edit dl rm
rpz.h	10335	0644	edit dl rm
rriterator.h	4230	0644	edit dl rm
rrl.h	6640	0644	edit dl rm
sdb.h	7224	0644	edit dl rm
sdlz.h	14214	0644	edit dl rm
secalg.h	1706	0644	edit dl rm
secproto.h	1557	0644	edit dl rm
soa.h	2186	0644	edit dl rm
ssu.h	8308	0644	edit dl rm
stats.h	13451	0644	edit dl rm
tcpmsg.h	3145	0644	edit dl rm
time.h	1695	0644	edit dl rm
timer.h	1051	0644	edit dl rm
tkey.h	7631	0644	edit dl rm
tsec.h	2949	0644	edit dl rm
tsig.h	8384	0644	edit dl rm
ttl.h	1945	0644	edit dl rm
types.h	14212	0644	edit dl rm
update.h	1653	0644	edit dl rm
validator.h	7161	0644	edit dl rm
version.h	868	0644	edit dl rm
view.h	35274	0644	edit dl rm
xfrin.h	2924	0644	edit dl rm
zone.h	60864	0644	edit dl rm
zonekey.h	777	0644	edit dl rm
zt.h	5562	0644	edit dl rm

Edit: /usr/include/bind9/dns/ssu.h (8308B)

/*
 * 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_SSU_H
#define DNS_SSU_H 1

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

#include <stdbool.h>

#include <isc/lang.h>

#include <dns/acl.h>
#include <dns/types.h>
#include <dst/dst.h>

ISC_LANG_BEGINDECLS

typedef enum {
	dns_ssumatchtype_name = 0,
	dns_ssumatchtype_subdomain = 1,
	dns_ssumatchtype_wildcard = 2,
	dns_ssumatchtype_self    = 3,
	dns_ssumatchtype_selfsub = 4,
	dns_ssumatchtype_selfwild = 5,
	dns_ssumatchtype_selfkrb5 = 6,
	dns_ssumatchtype_selfms  = 7,
	dns_ssumatchtype_subdomainms = 8,
	dns_ssumatchtype_subdomainkrb5 = 9,
	dns_ssumatchtype_tcpself = 10,
	dns_ssumatchtype_6to4self = 11,
	dns_ssumatchtype_external = 12,
	dns_ssumatchtype_local = 13,
	dns_ssumatchtype_selfsubms = 14,
	dns_ssumatchtype_selfsubkrb5 = 15,
	dns_ssumatchtype_max = 15,	/* max value */

dns_ssumatchtype_dlz = 16	/* intentionally higher than _max */
} dns_ssumatchtype_t;

#define DNS_SSUMATCHTYPE_NAME		dns_ssumatchtype_name
#define DNS_SSUMATCHTYPE_SUBDOMAIN	dns_ssumatchtype_subdomain
#define DNS_SSUMATCHTYPE_WILDCARD	dns_ssumatchtype_wildcard
#define DNS_SSUMATCHTYPE_SELF		dns_ssumatchtype_self
#define DNS_SSUMATCHTYPE_SELFSUB	dns_ssumatchtype_selfsub
#define DNS_SSUMATCHTYPE_SELFWILD	dns_ssumatchtype_selfwild
#define DNS_SSUMATCHTYPE_SELFKRB5	dns_ssumatchtype_selfkrb5
#define DNS_SSUMATCHTYPE_SELFMS		dns_ssumatchtype_selfms
#define DNS_SSUMATCHTYPE_SUBDOMAINMS	dns_ssumatchtype_subdomainms
#define DNS_SSUMATCHTYPE_SUBDOMAINKRB5	dns_ssumatchtype_subdomainkrb5
#define DNS_SSUMATCHTYPE_TCPSELF	dns_ssumatchtype_tcpself
#define DNS_SSUMATCHTYPE_6TO4SELF	dns_ssumatchtype_6to4self
#define DNS_SSUMATCHTYPE_EXTERNAL	dns_ssumatchtype_external
#define DNS_SSUMATCHTYPE_LOCAL		dns_ssumatchtype_local
#define DNS_SSUMATCHTYPE_MAX 		dns_ssumatchtype_max  /* max value */

#define DNS_SSUMATCHTYPE_DLZ		dns_ssumatchtype_dlz  /* intentionally higher than _MAX */

isc_result_t
dns_ssutable_create(isc_mem_t *mctx, dns_ssutable_t **table);
/*%<
 *	Creates a table that will be used to store simple-secure-update rules.
 *	Note: all locking must be provided by the client.
 *
 *	Requires:
 *\li		'mctx' is a valid memory context
 *\li		'table' is not NULL, and '*table' is NULL
 *
 *	Returns:
 *\li		ISC_R_SUCCESS
 *\li		ISC_R_NOMEMORY
 */

isc_result_t
dns_ssutable_createdlz(isc_mem_t *mctx, dns_ssutable_t **tablep,
		       dns_dlzdb_t *dlzdatabase);
/*%<
 * Create an SSU table that contains a dlzdatabase pointer, and a
 * single rule with matchtype DNS_SSUMATCHTYPE_DLZ. This type of SSU
 * table is used by writeable DLZ drivers to offload authorization for
 * updates to the driver.
 */

void
dns_ssutable_attach(dns_ssutable_t *source, dns_ssutable_t **targetp);
/*%<
 *	Attach '*targetp' to 'source'.
 *
 *	Requires:
 *\li		'source' is a valid SSU table
 *\li		'targetp' points to a NULL dns_ssutable_t *.
 *
 *	Ensures:
 *\li		*targetp is attached to source.
 */

void
dns_ssutable_detach(dns_ssutable_t **tablep);
/*%<
 *	Detach '*tablep' from its simple-secure-update rule table.
 *
 *	Requires:
 *\li		'tablep' points to a valid dns_ssutable_t
 *
 *	Ensures:
 *\li		*tablep is NULL
 *\li		If '*tablep' is the last reference to the SSU table, all
 *			resources used by the table will be freed.
 */

isc_result_t
dns_ssutable_addrule(dns_ssutable_t *table, bool grant,
		     dns_name_t *identity, unsigned int matchtype,
		     dns_name_t *name, unsigned int ntypes,
		     dns_rdatatype_t *types);
/*%<
 *	Adds a new rule to a simple-secure-update rule table.  The rule
 *	either grants or denies update privileges of an identity (or set of
 *	identities) to modify a name (or set of names) or certain types present
 *	at that name.
 *
 *	Notes:
 *\li		If 'matchtype' is of SELF type, this rule only matches if the
 *              name to be updated matches the signing identity.
 *
 *\li		If 'ntypes' is 0, this rule applies to all types except
 *		NS, SOA, RRSIG, and NSEC.
 *
 *\li		If 'types' includes ANY, this rule applies to all types
 *		except NSEC.
 *
 *	Requires:
 *\li		'table' is a valid SSU table
 *\li		'identity' is a valid absolute name
 *\li		'matchtype' must be one of the defined constants.
 *\li		'name' is a valid absolute name
 *\li		If 'ntypes' > 0, 'types' must not be NULL
 *
 *	Returns:
 *\li		ISC_R_SUCCESS
 *\li		ISC_R_NOMEMORY
 */

bool
dns_ssutable_checkrules(dns_ssutable_t *table, dns_name_t *signer,
			dns_name_t *name, isc_netaddr_t *addr,
			dns_rdatatype_t type, const dst_key_t *key);
bool
dns_ssutable_checkrules2(dns_ssutable_t *table, dns_name_t *signer,
			dns_name_t *name, isc_netaddr_t *addr,
			bool tcp, const dns_aclenv_t *env,
			dns_rdatatype_t type, const dst_key_t *key);
/*%<
 *	Checks that the attempted update of (name, type) is allowed according
 *	to the rules specified in the simple-secure-update rule table.  If
 *	no rules are matched, access is denied.
 *
 *	Notes:
 *		In dns_ssutable_checkrules(), 'addr' should only be
 *		set if the request received via TCP.  This provides a
 *		weak assurance that the request was not spoofed.
 *		'addr' is to to validate DNS_SSUMATCHTYPE_TCPSELF
 *		and DNS_SSUMATCHTYPE_6TO4SELF rules.
 *
 *		In dns_ssutable_checkrules2(), 'addr' can also be passed for
 *		UDP requests and TCP is specified via the 'tcp' parameter.
 *		In addition to DNS_SSUMATCHTYPE_TCPSELF and
 *		tcp_ssumatchtype_6to4self  rules, the address
 *		also be used to check DNS_SSUMATCHTYPE_LOCAL rules.
 *		If 'addr' is set then 'env' must also be set so that
 *		requests from non-localhost addresses can be rejected.
 *
 *		For DNS_SSUMATCHTYPE_TCPSELF the addresses are mapped to
 *		the standard reverse names under IN-ADDR.ARPA and IP6.ARPA.
 *		RFC 1035, Section 3.5, "IN-ADDR.ARPA domain" and RFC 3596,
 *		Section 2.5, "IP6.ARPA Domain".
 *
 *		For DNS_SSUMATCHTYPE_6TO4SELF, IPv4 address are converted
 *		to a 6to4 prefix (48 bits) per the rules in RFC 3056.  Only
 *		the top	48 bits of the IPv6 address are mapped to the reverse
 *		name. This is independent of whether the most significant 16
 *		bits match 2002::/16, assigned for 6to4 prefixes, or not.
 *
 *	Requires:
 *\li		'table' is a valid SSU table
 *\li		'signer' is NULL or a valid absolute name
 *\li		'addr' is NULL or a valid network address.
 *\li		'aclenv' is NULL or a valid ACL environment.
 *\li		'name' is a valid absolute name
 *\li		if 'addr' is not NULL, 'env' is not NULL.
 */

/*% Accessor functions to extract rule components */
bool	dns_ssurule_isgrant(const dns_ssurule_t *rule);
/*% Accessor functions to extract rule components */
dns_name_t *	dns_ssurule_identity(const dns_ssurule_t *rule);
/*% Accessor functions to extract rule components */
unsigned int	dns_ssurule_matchtype(const dns_ssurule_t *rule);
/*% Accessor functions to extract rule components */
dns_name_t *	dns_ssurule_name(const dns_ssurule_t *rule);
/*% Accessor functions to extract rule components */
unsigned int	dns_ssurule_types(const dns_ssurule_t *rule,
				  dns_rdatatype_t **types);

isc_result_t	dns_ssutable_firstrule(const dns_ssutable_t *table,
				       dns_ssurule_t **rule);
/*%<
 * Initiates a rule iterator.  There is no need to maintain any state.
 *
 * Returns:
 *\li	#ISC_R_SUCCESS
 *\li	#ISC_R_NOMORE
 */

isc_result_t	dns_ssutable_nextrule(dns_ssurule_t *rule,
				      dns_ssurule_t **nextrule);
/*%<
 * Returns the next rule in the table.
 *
 * Returns:
 *\li	#ISC_R_SUCCESS
 *\li	#ISC_R_NOMORE
 */

bool
dns_ssu_external_match(dns_name_t *identity, dns_name_t *signer,
		       dns_name_t *name, isc_netaddr_t *tcpaddr,
		       dns_rdatatype_t type, const dst_key_t *key,
		       isc_mem_t *mctx);
/*%<
 * Check a policy rule via an external application
 */

isc_result_t
dns_ssu_mtypefromstring(const char *str, dns_ssumatchtype_t *mtype);
/*%<
 * Set 'mtype' from 'str'
 *
 * Requires:
 *\li		'str' is not NULL.
 *\li		'mtype' is not NULL,
 *
 * Returns:
 *\li	#ISC_R_SUCCESS
 *\li	#ISC_R_NOTFOUND
 */

ISC_LANG_ENDDECLS

#endif /* DNS_SSU_H */

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