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Name	Size	Permission	Date
acl.h	6.33 KB	-rw-r--r--	2021-11-05 09:03
adb.h	21.75 KB	-rw-r--r--	2021-11-05 09:03
badcache.h	3.31 KB	-rw-r--r--	2021-11-05 09:03
bit.h	798 B	-rw-r--r--	2021-11-05 09:03
byaddr.h	3.51 KB	-rw-r--r--	2021-11-05 09:03
cache.h	8.53 KB	-rw-r--r--	2025-07-29 21:41
callbacks.h	2.23 KB	-rw-r--r--	2021-11-05 09:03
catz.h	11.6 KB	-rw-r--r--	2021-11-05 09:03
cert.h	1.43 KB	-rw-r--r--	2021-11-05 09:03
client.h	14.19 KB	-rw-r--r--	2021-11-05 09:03
clientinfo.h	1.97 KB	-rw-r--r--	2021-11-05 09:03
compress.h	6.88 KB	-rw-r--r--	2021-11-05 09:03
db.h	49.26 KB	-rw-r--r--	2025-07-29 21:41
dbiterator.h	7.21 KB	-rw-r--r--	2021-11-05 09:03
dbtable.h	3.09 KB	-rw-r--r--	2021-11-05 09:03
diff.h	6.87 KB	-rw-r--r--	2021-11-05 09:03
dispatch.h	15.17 KB	-rw-r--r--	2021-11-05 09:03
dlz.h	10.62 KB	-rw-r--r--	2021-11-05 09:03
dlz_dlopen.h	4.29 KB	-rw-r--r--	2021-11-05 09:03
dns64.h	5.59 KB	-rw-r--r--	2021-11-05 09:03
dnsrps.h	2.51 KB	-rw-r--r--	2021-11-05 09:03
dnssec.h	12.29 KB	-rw-r--r--	2021-11-05 09:03
dnstap.h	9.95 KB	-rw-r--r--	2021-11-05 09:03
ds.h	1.63 KB	-rw-r--r--	2021-11-05 09:03
dsdigest.h	1.67 KB	-rw-r--r--	2021-11-05 09:03
dyndb.h	4.75 KB	-rw-r--r--	2021-11-05 09:03
ecdb.h	806 B	-rw-r--r--	2021-11-05 09:03
ecs.h	1.22 KB	-rw-r--r--	2021-11-05 09:03
edns.h	783 B	-rw-r--r--	2021-11-05 09:03
enumclass.h	1.19 KB	-rw-r--r--	2025-07-29 21:42
enumtype.h	8.29 KB	-rw-r--r--	2025-07-29 21:42
events.h	4.35 KB	-rw-r--r--	2021-11-05 09:03
fixedname.h	1.61 KB	-rw-r--r--	2021-11-05 09:03
forward.h	2.99 KB	-rw-r--r--	2021-11-05 09:03
geoip.h	2.29 KB	-rw-r--r--	2021-11-05 09:03
ipkeylist.h	2.17 KB	-rw-r--r--	2021-11-05 09:03
iptable.h	1.49 KB	-rw-r--r--	2021-11-05 09:03
journal.h	9.48 KB	-rw-r--r--	2021-11-05 09:03
kasp.h	11.84 KB	-rw-r--r--	2021-11-05 09:03
keydata.h	1.02 KB	-rw-r--r--	2021-11-05 09:03
keyflags.h	1.25 KB	-rw-r--r--	2021-11-05 09:03
keymgr.h	4.01 KB	-rw-r--r--	2021-11-05 09:03
keytable.h	7.69 KB	-rw-r--r--	2021-11-05 09:03
keyvalues.h	3.99 KB	-rw-r--r--	2021-11-05 09:03
lib.h	993 B	-rw-r--r--	2021-11-05 09:03
librpz.h	30.67 KB	-rw-r--r--	2021-11-05 09:03
lmdb.h	779 B	-rw-r--r--	2021-11-05 09:03
log.h	3.93 KB	-rw-r--r--	2021-11-05 09:03
lookup.h	2.85 KB	-rw-r--r--	2021-11-05 09:03
master.h	8.58 KB	-rw-r--r--	2021-11-05 09:03
masterdump.h	9.9 KB	-rw-r--r--	2021-11-05 09:03
message.h	38.41 KB	-rw-r--r--	2025-07-29 21:41
name.h	36.9 KB	-rw-r--r--	2025-07-29 21:41
ncache.h	4.84 KB	-rw-r--r--	2021-11-05 09:03
nsec.h	2.99 KB	-rw-r--r--	2021-11-05 09:03
nsec3.h	8.06 KB	-rw-r--r--	2021-11-05 09:03
nta.h	4.73 KB	-rw-r--r--	2021-11-05 09:03
opcode.h	1006 B	-rw-r--r--	2021-11-05 09:03
order.h	1.96 KB	-rw-r--r--	2021-11-05 09:03
peer.h	6.32 KB	-rw-r--r--	2021-11-05 09:03
portlist.h	2.05 KB	-rw-r--r--	2021-11-05 09:03
private.h	1.92 KB	-rw-r--r--	2021-11-05 09:03
rbt.h	36.61 KB	-rw-r--r--	2025-07-29 21:41
rcode.h	2.41 KB	-rw-r--r--	2021-11-05 09:03
rdata.h	22.04 KB	-rw-r--r--	2021-11-05 09:03
rdataclass.h	2.2 KB	-rw-r--r--	2021-11-05 09:03
rdatalist.h	2.5 KB	-rw-r--r--	2021-11-05 09:03
rdataset.h	18.28 KB	-rw-r--r--	2025-07-29 21:41
rdatasetiter.h	3.82 KB	-rw-r--r--	2021-11-05 09:03
rdataslab.h	4.14 KB	-rw-r--r--	2025-07-29 21:41
rdatastruct.h	61.23 KB	-rw-r--r--	2025-07-29 21:42
rdatatype.h	2.24 KB	-rw-r--r--	2021-11-05 09:03
request.h	8.97 KB	-rw-r--r--	2021-11-05 09:03
resolver.h	19.68 KB	-rw-r--r--	2021-11-05 09:03
result.h	8.98 KB	-rw-r--r--	2021-11-05 09:03
rootns.h	891 B	-rw-r--r--	2021-11-05 09:03
rpz.h	11.87 KB	-rw-r--r--	2021-11-05 09:03
rriterator.h	4.12 KB	-rw-r--r--	2021-11-05 09:03
rrl.h	6.8 KB	-rw-r--r--	2021-11-05 09:03
sdb.h	7.18 KB	-rw-r--r--	2021-11-05 09:03
sdlz.h	13.76 KB	-rw-r--r--	2021-11-05 09:03
secalg.h	1.67 KB	-rw-r--r--	2021-11-05 09:03
secproto.h	1.52 KB	-rw-r--r--	2021-11-05 09:03
soa.h	2.13 KB	-rw-r--r--	2021-11-05 09:03
ssu.h	7.01 KB	-rw-r--r--	2021-11-05 09:03
stats.h	24.11 KB	-rw-r--r--	2021-11-05 09:03
tcpmsg.h	3.05 KB	-rw-r--r--	2021-11-05 09:03
time.h	1.65 KB	-rw-r--r--	2021-11-05 09:03
timer.h	1.03 KB	-rw-r--r--	2021-11-05 09:03
tkey.h	7.48 KB	-rw-r--r--	2021-11-05 09:03
tsec.h	2.88 KB	-rw-r--r--	2021-11-05 09:03
tsig.h	8.3 KB	-rw-r--r--	2021-11-05 09:03
ttl.h	1.83 KB	-rw-r--r--	2021-11-05 09:03
types.h	14.19 KB	-rw-r--r--	2021-11-05 09:03
update.h	1.96 KB	-rw-r--r--	2021-11-05 09:03
validator.h	6.52 KB	-rw-r--r--	2025-07-29 21:41
version.h	679 B	-rw-r--r--	2021-11-05 09:03
view.h	34.51 KB	-rw-r--r--	2025-07-29 21:41
xfrin.h	2.26 KB	-rw-r--r--	2021-11-05 09:03
zone.h	64.01 KB	-rw-r--r--	2025-07-29 21:41
zonekey.h	776 B	-rw-r--r--	2021-11-05 09:03
zoneverify.h	1.36 KB	-rw-r--r--	2021-11-05 09:03
zt.h	5.12 KB	-rw-r--r--	2025-07-29 21:41

Rename

/*
 * 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_RPZ_H
#define DNS_RPZ_H 1

#include <inttypes.h>
#include <stdbool.h>

#include <isc/deprecated.h>
#include <isc/event.h>
#include <isc/ht.h>
#include <isc/lang.h>
#include <isc/refcount.h>
#include <isc/rwlock.h>
#include <isc/time.h>
#include <isc/timer.h>

#include <dns/fixedname.h>
#include <dns/rdata.h>
#include <dns/types.h>

ISC_LANG_BEGINDECLS

#define DNS_RPZ_PREFIX "rpz-"
/*
 * Sub-zones of various trigger types.
 */
#define DNS_RPZ_CLIENT_IP_ZONE DNS_RPZ_PREFIX "client-ip"
#define DNS_RPZ_IP_ZONE	       DNS_RPZ_PREFIX "ip"
#define DNS_RPZ_NSIP_ZONE      DNS_RPZ_PREFIX "nsip"
#define DNS_RPZ_NSDNAME_ZONE   DNS_RPZ_PREFIX "nsdname"
/*
 * Special policies.
 */
#define DNS_RPZ_PASSTHRU_NAME DNS_RPZ_PREFIX "passthru"
#define DNS_RPZ_DROP_NAME     DNS_RPZ_PREFIX "drop"
#define DNS_RPZ_TCP_ONLY_NAME DNS_RPZ_PREFIX "tcp-only"

typedef uint8_t dns_rpz_prefix_t;

typedef enum {
	DNS_RPZ_TYPE_BAD,
	DNS_RPZ_TYPE_CLIENT_IP,
	DNS_RPZ_TYPE_QNAME,
	DNS_RPZ_TYPE_IP,
	DNS_RPZ_TYPE_NSDNAME,
	DNS_RPZ_TYPE_NSIP
} dns_rpz_type_t;

/*
 * Require DNS_RPZ_POLICY_PASSTHRU < DNS_RPZ_POLICY_DROP
 * < DNS_RPZ_POLICY_TCP_ONLY DNS_RPZ_POLICY_NXDOMAIN < DNS_RPZ_POLICY_NODATA
 * < DNS_RPZ_POLICY_CNAME to choose among competing policies.
 */
typedef enum {
	DNS_RPZ_POLICY_GIVEN = 0,    /* 'given': what policy record says */
	DNS_RPZ_POLICY_DISABLED = 1, /* log what would have happened */
	DNS_RPZ_POLICY_PASSTHRU = 2, /* 'passthru': do not rewrite */
	DNS_RPZ_POLICY_DROP = 3,     /* 'drop': do not respond */
	DNS_RPZ_POLICY_TCP_ONLY = 4, /* 'tcp-only': answer UDP with TC=1 */
	DNS_RPZ_POLICY_NXDOMAIN = 5, /* 'nxdomain': answer with NXDOMAIN */
	DNS_RPZ_POLICY_NODATA = 6,   /* 'nodata': answer with ANCOUNT=0 */
	DNS_RPZ_POLICY_CNAME = 7,    /* 'cname x': answer with x's rrsets */
	DNS_RPZ_POLICY_DNS64,	     /* Apply DN64 to the A rewrite */
	DNS_RPZ_POLICY_RECORD,
	DNS_RPZ_POLICY_WILDCNAME,
	DNS_RPZ_POLICY_MISS,
	DNS_RPZ_POLICY_ERROR
} dns_rpz_policy_t;

typedef uint8_t dns_rpz_num_t;

#define DNS_RPZ_MAX_ZONES 64
/*
 * Type dns_rpz_zbits_t must be an unsigned int wide enough to contain
 * at least DNS_RPZ_MAX_ZONES bits.
 */
typedef uint64_t dns_rpz_zbits_t;

#define DNS_RPZ_ALL_ZBITS ((dns_rpz_zbits_t)-1)

#define DNS_RPZ_INVALID_NUM DNS_RPZ_MAX_ZONES

#define DNS_RPZ_ZBIT(n) (((dns_rpz_zbits_t)1) << (dns_rpz_num_t)(n))

/*
 * Mask of the specified and higher numbered policy zones
 * Avoid hassles with (1<<33) or (1<<65)
 */
#define DNS_RPZ_ZMASK(n)                                     \
	((dns_rpz_zbits_t)((((n) >= DNS_RPZ_MAX_ZONES - 1)   \
				    ? 0                      \
				    : (1ULL << ((n) + 1))) - \
			   1))

/*
 * The trigger counter type.
 */
typedef size_t dns_rpz_trigger_counter_t;

/*
 * The number of triggers of each type in a response policy zone.
 */
typedef struct dns_rpz_triggers dns_rpz_triggers_t;
struct dns_rpz_triggers {
	dns_rpz_trigger_counter_t client_ipv4;
	dns_rpz_trigger_counter_t client_ipv6;
	dns_rpz_trigger_counter_t qname;
	dns_rpz_trigger_counter_t ipv4;
	dns_rpz_trigger_counter_t ipv6;
	dns_rpz_trigger_counter_t nsdname;
	dns_rpz_trigger_counter_t nsipv4;
	dns_rpz_trigger_counter_t nsipv6;
};

/*
 * A single response policy zone.
 */
typedef struct dns_rpz_zone  dns_rpz_zone_t;
typedef struct dns_rpz_zones dns_rpz_zones_t;

struct dns_rpz_zone {
	isc_refcount_t	 refs;
	dns_rpz_num_t	 num;	    /* ordinal in list of policy zones */
	dns_name_t	 origin;    /* Policy zone name */
	dns_name_t	 client_ip; /* DNS_RPZ_CLIENT_IP_ZONE.origin. */
	dns_name_t	 ip;	    /* DNS_RPZ_IP_ZONE.origin. */
	dns_name_t	 nsdname;   /* DNS_RPZ_NSDNAME_ZONE.origin */
	dns_name_t	 nsip;	    /* DNS_RPZ_NSIP_ZONE.origin. */
	dns_name_t	 passthru;  /* DNS_RPZ_PASSTHRU_NAME. */
	dns_name_t	 drop;	    /* DNS_RPZ_DROP_NAME. */
	dns_name_t	 tcp_only;  /* DNS_RPZ_TCP_ONLY_NAME. */
	dns_name_t	 cname;	    /* override value for ..._CNAME */
	dns_ttl_t	 max_policy_ttl;
	dns_rpz_policy_t policy; /* DNS_RPZ_POLICY_GIVEN or override */

uint32_t min_update_interval;	 /* minimal interval between
					  * updates */
	isc_ht_t	 *nodes;		 /* entries in zone */
	dns_rpz_zones_t *rpzs;		 /* owner */
	isc_time_t	 lastupdated;	 /* last time the zone was processed
					  * */
	bool updatepending;		 /* there is an update
					  * pending/waiting */
	bool		 updaterunning;	 /* there is an update running */
	dns_db_t	 *db;		 /* zones database */
	dns_dbversion_t *dbversion;	 /* version we will be updating to */
	dns_db_t	 *updb;		 /* zones database we're working on */
	dns_dbversion_t *updbversion;	 /* version we're currently working
					  * on */
	dns_dbiterator_t *updbit;	 /* iterator to use when updating */
	isc_ht_t	 *newnodes;	 /* entries in zone being updated */
	bool		  db_registered; /* is the notify event
					  * registered? */
	bool	     addsoa;		 /* add soa to the additional section */
	isc_timer_t *updatetimer;
	isc_event_t  updateevent;
};

/*
 * Radix tree node for response policy IP addresses
 */
typedef struct dns_rpz_cidr_node dns_rpz_cidr_node_t;

/*
 * Bitfields indicating which policy zones have policies of
 * which type.
 */
typedef struct dns_rpz_have dns_rpz_have_t;
struct dns_rpz_have {
	dns_rpz_zbits_t client_ipv4;
	dns_rpz_zbits_t client_ipv6;
	dns_rpz_zbits_t client_ip;
	dns_rpz_zbits_t qname;
	dns_rpz_zbits_t ipv4;
	dns_rpz_zbits_t ipv6;
	dns_rpz_zbits_t ip;
	dns_rpz_zbits_t nsdname;
	dns_rpz_zbits_t nsipv4;
	dns_rpz_zbits_t nsipv6;
	dns_rpz_zbits_t nsip;
	dns_rpz_zbits_t qname_skip_recurse;
};

/*
 * Policy options
 */
typedef struct dns_rpz_popt dns_rpz_popt_t;
struct dns_rpz_popt {
	dns_rpz_zbits_t no_rd_ok;
	dns_rpz_zbits_t no_log;
	dns_rpz_zbits_t nsip_on;
	dns_rpz_zbits_t nsdname_on;
	bool		dnsrps_enabled;
	bool		break_dnssec;
	bool		qname_wait_recurse;
	bool		nsip_wait_recurse;
	unsigned int	min_ns_labels;
	dns_rpz_num_t	num_zones;
};

/*
 * Response policy zones known to a view.
 */
struct dns_rpz_zones {
	dns_rpz_popt_t	   p;
	dns_rpz_zone_t    *zones[DNS_RPZ_MAX_ZONES];
	dns_rpz_triggers_t triggers[DNS_RPZ_MAX_ZONES];

/*
	 * RPZ policy version number.
	 * It is initially 0 and it increases whenever the server is
	 * reconfigured with new zones or policy.
	 */
	int rpz_ver;

dns_rpz_zbits_t defined;

/*
	 * The set of records for a policy zone are in one of these states:
	 *	never loaded		    load_begun=0  have=0
	 *	during initial loading	    load_begun=1  have=0
	 *				and rbtdb->rpzsp == rbtdb->load_rpzsp
	 *	after good load		    load_begun=1  have!=0
	 *	after failed initial load   load_begun=1  have=0
	 *				and rbtdb->load_rpzsp == NULL
	 *	reloading after failure	    load_begun=1  have=0
	 *	reloading after success
	 *		main rpzs	    load_begun=1  have!=0
	 *		load rpzs	    load_begun=1  have=0
	 */
	dns_rpz_zbits_t load_begun;
	dns_rpz_have_t	have;

/*
	 * total_triggers maintains the total number of triggers in all
	 * policy zones in the view. It is only used to print summary
	 * statistics after a zone load of how the trigger counts
	 * changed.
	 */
	dns_rpz_triggers_t total_triggers;

isc_mem_t	  *mctx;
	isc_taskmgr_t  *taskmgr;
	isc_timermgr_t *timermgr;
	isc_task_t	   *updater;
	isc_refcount_t	refs;
	isc_refcount_t	irefs;
	/*
	 * One lock for short term read-only search that guarantees the
	 * consistency of the pointers.
	 * A second lock for maintenance that guarantees no other thread
	 * is adding or deleting nodes.
	 */
	isc_rwlock_t search_lock;
	isc_mutex_t  maint_lock;

dns_rpz_cidr_node_t *cidr;
	dns_rbt_t		  *rbt;

/*
	 * DNSRPZ librpz configuration string and handle on librpz connection
	 */
	char		     *rps_cstr;
	size_t		      rps_cstr_size;
	struct librpz_client *rps_client;
};

/*
 * context for finding the best policy
 */
typedef struct {
	unsigned int state;
#define DNS_RPZ_REWRITTEN      0x0001
#define DNS_RPZ_DONE_CLIENT_IP 0x0002 /* client IP address checked */
#define DNS_RPZ_DONE_QNAME     0x0004 /* qname checked */
#define DNS_RPZ_DONE_QNAME_IP  0x0008 /* IP addresses of qname checked */
#define DNS_RPZ_DONE_NSDNAME   0x0010 /* NS name missed; checking addresses */
#define DNS_RPZ_DONE_IPv4      0x0020
#define DNS_RPZ_RECURSING      0x0040
#define DNS_RPZ_ACTIVE	       0x0080
	/*
	 * Best match so far.
	 */
	struct {
		dns_rpz_type_t	 type;
		dns_rpz_zone_t  *rpz;
		dns_rpz_prefix_t prefix;
		dns_rpz_policy_t policy;
		dns_ttl_t	 ttl;
		isc_result_t	 result;
		dns_zone_t	   *zone;
		dns_db_t	 *db;
		dns_dbversion_t *version;
		dns_dbnode_t    *node;
		dns_rdataset_t  *rdataset;
	} m;
	/*
	 * State for chasing IP addresses and NS names including recursion.
	 */
	struct {
		unsigned int	label;
		dns_db_t	 *db;
		dns_rdataset_t *ns_rdataset;
		dns_rdatatype_t r_type;
		isc_result_t	r_result;
		dns_rdataset_t *r_rdataset;
	} r;

/*
	 * State of real query while recursing for NSIP or NSDNAME.
	 */
	struct {
		isc_result_t	result;
		bool		is_zone;
		bool		authoritative;
		dns_zone_t	   *zone;
		dns_db_t	 *db;
		dns_dbnode_t   *node;
		dns_rdataset_t *rdataset;
		dns_rdataset_t *sigrdataset;
		dns_rdatatype_t qtype;
	} q;

/*
	 * A copy of the 'have' and 'p' structures and the RPZ
	 * policy version as of the beginning of RPZ processing,
	 * used to avoid problems when policy is updated while
	 * RPZ recursion is ongoing.
	 */
	dns_rpz_have_t have;
	dns_rpz_popt_t popt;
	int	       rpz_ver;

/*
	 * Shim db between BIND and DNRPS librpz.
	 */
	dns_db_t *rpsdb;

/*
	 * p_name: current policy owner name
	 * r_name: recursing for this name to possible policy triggers
	 * f_name: saved found name from before recursion
	 */
	dns_name_t	   *p_name;
	dns_name_t	   *r_name;
	dns_name_t	   *fname;
	dns_fixedname_t _p_namef;
	dns_fixedname_t _r_namef;
	dns_fixedname_t _fnamef;
} dns_rpz_st_t;

#define DNS_RPZ_TTL_DEFAULT		  5
#define DNS_RPZ_MAX_TTL_DEFAULT		  DNS_RPZ_TTL_DEFAULT
#define DNS_RPZ_MINUPDATEINTERVAL_DEFAULT 60

/*
 * So various response policy zone messages can be turned up or down.
 */
#define DNS_RPZ_ERROR_LEVEL  ISC_LOG_WARNING
#define DNS_RPZ_INFO_LEVEL   ISC_LOG_INFO
#define DNS_RPZ_DEBUG_LEVEL1 ISC_LOG_DEBUG(1)
#define DNS_RPZ_DEBUG_LEVEL2 ISC_LOG_DEBUG(2)
#define DNS_RPZ_DEBUG_LEVEL3 ISC_LOG_DEBUG(3)
#define DNS_RPZ_DEBUG_QUIET  (DNS_RPZ_DEBUG_LEVEL3 + 1)

const char *
dns_rpz_type2str(dns_rpz_type_t type);

dns_rpz_policy_t
dns_rpz_str2policy(const char *str);

const char *
dns_rpz_policy2str(dns_rpz_policy_t policy);

dns_rpz_policy_t
dns_rpz_decode_cname(dns_rpz_zone_t *rpz, dns_rdataset_t *rdataset,
		     dns_name_t *selfname);

isc_result_t
dns_rpz_new_zones(dns_rpz_zones_t **rpzsp, char *rps_cstr, size_t rps_cstr_size,
		  isc_mem_t *mctx, isc_taskmgr_t *taskmgr,
		  isc_timermgr_t *timermgr);

isc_result_t
dns_rpz_new_zone(dns_rpz_zones_t *rpzs, dns_rpz_zone_t **rpzp);

isc_result_t
dns_rpz_dbupdate_callback(dns_db_t *db, void *fn_arg);

void
dns_rpz_attach_rpzs(dns_rpz_zones_t *source, dns_rpz_zones_t **target);

void
dns_rpz_detach_rpzs(dns_rpz_zones_t **rpzsp);

isc_result_t
dns_rpz_beginload(dns_rpz_zones_t **load_rpzsp, dns_rpz_zones_t *rpzs,
		  dns_rpz_num_t rpz_num) ISC_DEPRECATED;

isc_result_t
dns_rpz_ready(dns_rpz_zones_t *rpzs, dns_rpz_zones_t **load_rpzsp,
	      dns_rpz_num_t rpz_num) ISC_DEPRECATED;

isc_result_t
dns_rpz_add(dns_rpz_zones_t *rpzs, dns_rpz_num_t rpz_num,
	    const dns_name_t *name);

void
dns_rpz_delete(dns_rpz_zones_t *rpzs, dns_rpz_num_t rpz_num,
	       const dns_name_t *name);

dns_rpz_num_t
dns_rpz_find_ip(dns_rpz_zones_t *rpzs, dns_rpz_type_t rpz_type,
		dns_rpz_zbits_t zbits, const isc_netaddr_t *netaddr,
		dns_name_t *ip_name, dns_rpz_prefix_t *prefixp);

dns_rpz_zbits_t
dns_rpz_find_name(dns_rpz_zones_t *rpzs, dns_rpz_type_t rpz_type,
		  dns_rpz_zbits_t zbits, dns_name_t *trig_name);

ISC_LANG_ENDDECLS

#endif /* DNS_RPZ_H */