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| Current File : //usr/src/contrib/bind9/bin/named/include/named/server.h |
/*
* Copyright (C) 2004-2010 Internet Systems Consortium, Inc. ("ISC")
* Copyright (C) 1999-2003 Internet Software Consortium.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
* OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: server.h,v 1.110 2010/08/16 23:46:52 tbox Exp $ */
#ifndef NAMED_SERVER_H
#define NAMED_SERVER_H 1
/*! \file */
#include <isc/log.h>
#include <isc/magic.h>
#include <isc/quota.h>
#include <isc/sockaddr.h>
#include <isc/types.h>
#include <isc/xml.h>
#include <dns/acl.h>
#include <dns/types.h>
#include <named/types.h>
#define NS_EVENTCLASS ISC_EVENTCLASS(0x4E43)
#define NS_EVENT_RELOAD (NS_EVENTCLASS + 0)
#define NS_EVENT_CLIENTCONTROL (NS_EVENTCLASS + 1)
/*%
* Name server state. Better here than in lots of separate global variables.
*/
struct ns_server {
unsigned int magic;
isc_mem_t * mctx;
isc_task_t * task;
/* Configurable data. */
isc_quota_t xfroutquota;
isc_quota_t tcpquota;
isc_quota_t recursionquota;
dns_acl_t *blackholeacl;
char * statsfile; /*%< Statistics file name */
char * dumpfile; /*%< Dump file name */
char * secrootsfile; /*%< Secroots file name */
char * bindkeysfile; /*%< bind.keys file name */
char * recfile; /*%< Recursive file name */
isc_boolean_t version_set; /*%< User has set version */
char * version; /*%< User-specified version */
isc_boolean_t hostname_set; /*%< User has set hostname */
char * hostname; /*%< User-specified hostname */
/*% Use hostname for server id */
isc_boolean_t server_usehostname;
char * server_id; /*%< User-specified server id */
/*%
* Current ACL environment. This defines the
* current values of the localhost and localnets
* ACLs.
*/
dns_aclenv_t aclenv;
/* Server data structures. */
dns_loadmgr_t * loadmgr;
dns_zonemgr_t * zonemgr;
dns_viewlist_t viewlist;
ns_interfacemgr_t * interfacemgr;
dns_db_t * in_roothints;
dns_tkeyctx_t * tkeyctx;
isc_timer_t * interface_timer;
isc_timer_t * heartbeat_timer;
isc_timer_t * pps_timer;
isc_uint32_t interface_interval;
isc_uint32_t heartbeat_interval;
isc_mutex_t reload_event_lock;
isc_event_t * reload_event;
isc_boolean_t flushonshutdown;
isc_boolean_t log_queries; /*%< For BIND 8 compatibility */
ns_cachelist_t cachelist; /*%< Possibly shared caches */
isc_stats_t * nsstats; /*%< Server stats */
dns_stats_t * rcvquerystats; /*% Incoming query stats */
dns_stats_t * opcodestats; /*%< Incoming message stats */
isc_stats_t * zonestats; /*% Zone management stats */
isc_stats_t * resolverstats; /*% Resolver stats */
isc_stats_t * sockstats; /*%< Socket stats */
ns_controls_t * controls; /*%< Control channels */
unsigned int dispatchgen;
ns_dispatchlist_t dispatches;
dns_acache_t *acache;
ns_statschannellist_t statschannels;
dns_tsigkey_t *sessionkey;
char *session_keyfile;
dns_name_t *session_keyname;
unsigned int session_keyalg;
isc_uint16_t session_keybits;
};
#define NS_SERVER_MAGIC ISC_MAGIC('S','V','E','R')
#define NS_SERVER_VALID(s) ISC_MAGIC_VALID(s, NS_SERVER_MAGIC)
/*%
* Server statistics counters. Used as isc_statscounter_t values.
*/
enum {
dns_nsstatscounter_requestv4 = 0,
dns_nsstatscounter_requestv6 = 1,
dns_nsstatscounter_edns0in = 2,
dns_nsstatscounter_badednsver = 3,
dns_nsstatscounter_tsigin = 4,
dns_nsstatscounter_sig0in = 5,
dns_nsstatscounter_invalidsig = 6,
dns_nsstatscounter_tcp = 7,
dns_nsstatscounter_authrej = 8,
dns_nsstatscounter_recurserej = 9,
dns_nsstatscounter_xfrrej = 10,
dns_nsstatscounter_updaterej = 11,
dns_nsstatscounter_response = 12,
dns_nsstatscounter_truncatedresp = 13,
dns_nsstatscounter_edns0out = 14,
dns_nsstatscounter_tsigout = 15,
dns_nsstatscounter_sig0out = 16,
dns_nsstatscounter_success = 17,
dns_nsstatscounter_authans = 18,
dns_nsstatscounter_nonauthans = 19,
dns_nsstatscounter_referral = 20,
dns_nsstatscounter_nxrrset = 21,
dns_nsstatscounter_servfail = 22,
dns_nsstatscounter_formerr = 23,
dns_nsstatscounter_nxdomain = 24,
dns_nsstatscounter_recursion = 25,
dns_nsstatscounter_duplicate = 26,
dns_nsstatscounter_dropped = 27,
dns_nsstatscounter_failure = 28,
dns_nsstatscounter_xfrdone = 29,
dns_nsstatscounter_updatereqfwd = 30,
dns_nsstatscounter_updaterespfwd = 31,
dns_nsstatscounter_updatefwdfail = 32,
dns_nsstatscounter_updatedone = 33,
dns_nsstatscounter_updatefail = 34,
dns_nsstatscounter_updatebadprereq = 35,
dns_nsstatscounter_max = 36
};
void
ns_server_create(isc_mem_t *mctx, ns_server_t **serverp);
/*%<
* Create a server object with default settings.
* This function either succeeds or causes the program to exit
* with a fatal error.
*/
void
ns_server_destroy(ns_server_t **serverp);
/*%<
* Destroy a server object, freeing its memory.
*/
void
ns_server_reloadwanted(ns_server_t *server);
/*%<
* Inform a server that a reload is wanted. This function
* may be called asynchronously, from outside the server's task.
* If a reload is already scheduled or in progress, the call
* is ignored.
*/
void
ns_server_flushonshutdown(ns_server_t *server, isc_boolean_t flush);
/*%<
* Inform the server that the zones should be flushed to disk on shutdown.
*/
isc_result_t
ns_server_reloadcommand(ns_server_t *server, char *args, isc_buffer_t *text);
/*%<
* Act on a "reload" command from the command channel.
*/
isc_result_t
ns_server_reconfigcommand(ns_server_t *server, char *args);
/*%<
* Act on a "reconfig" command from the command channel.
*/
isc_result_t
ns_server_notifycommand(ns_server_t *server, char *args, isc_buffer_t *text);
/*%<
* Act on a "notify" command from the command channel.
*/
isc_result_t
ns_server_refreshcommand(ns_server_t *server, char *args, isc_buffer_t *text);
/*%<
* Act on a "refresh" command from the command channel.
*/
isc_result_t
ns_server_retransfercommand(ns_server_t *server, char *args);
/*%<
* Act on a "retransfer" command from the command channel.
*/
isc_result_t
ns_server_togglequerylog(ns_server_t *server);
/*%<
* Toggle logging of queries, as in BIND 8.
*/
/*%
* Dump the current statistics to the statistics file.
*/
isc_result_t
ns_server_dumpstats(ns_server_t *server);
/*%
* Dump the current cache to the dump file.
*/
isc_result_t
ns_server_dumpdb(ns_server_t *server, char *args);
/*%
* Dump the current security roots to the secroots file.
*/
isc_result_t
ns_server_dumpsecroots(ns_server_t *server, char *args);
/*%
* Change or increment the server debug level.
*/
isc_result_t
ns_server_setdebuglevel(ns_server_t *server, char *args);
/*%
* Flush the server's cache(s)
*/
isc_result_t
ns_server_flushcache(ns_server_t *server, char *args);
/*%
* Flush a particular name from the server's cache(s)
*/
isc_result_t
ns_server_flushname(ns_server_t *server, char *args);
/*%
* Report the server's status.
*/
isc_result_t
ns_server_status(ns_server_t *server, isc_buffer_t *text);
/*%
* Report a list of dynamic and static tsig keys, per view.
*/
isc_result_t
ns_server_tsiglist(ns_server_t *server, isc_buffer_t *text);
/*%
* Delete a specific key (with optional view).
*/
isc_result_t
ns_server_tsigdelete(ns_server_t *server, char *command, isc_buffer_t *text);
/*%
* Enable or disable updates for a zone.
*/
isc_result_t
ns_server_freeze(ns_server_t *server, isc_boolean_t freeze, char *args,
isc_buffer_t *text);
/*%
* Update a zone's DNSKEY set from the key repository. If
* the command that triggered the call to this function was "sign",
* then force a full signing of the zone. If it was "loadkeys",
* then don't sign the zone; any needed changes to signatures can
* take place incrementally.
*/
isc_result_t
ns_server_rekey(ns_server_t *server, char *args);
/*%
* Dump the current recursive queries.
*/
isc_result_t
ns_server_dumprecursing(ns_server_t *server);
/*%
* Maintain a list of dispatches that require reserved ports.
*/
void
ns_add_reserved_dispatch(ns_server_t *server, const isc_sockaddr_t *addr);
/*%
* Enable or disable dnssec validation.
*/
isc_result_t
ns_server_validation(ns_server_t *server, char *args);
/*%
* Add a zone to a running process
*/
isc_result_t
ns_server_add_zone(ns_server_t *server, char *args);
/*%
* Deletes a zone from a running process
*/
isc_result_t
ns_server_del_zone(ns_server_t *server, char *args);
#endif /* NAMED_SERVER_H */