285 lines
8.1 KiB
C
285 lines
8.1 KiB
C
/*
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* from ns.h 4.33 (Berkeley) 8/23/90
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* $Id: ns_glob.h,v 8.11 1996/11/11 06:36:49 vixie Exp $
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*/
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/*
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* ++Copyright++ 1986
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* -
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* Copyright (c) 1986
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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* -
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* Portions Copyright (c) 1993 by Digital Equipment Corporation.
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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, and that
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* the name of Digital Equipment Corporation not be used in advertising or
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* publicity pertaining to distribution of the document or software without
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* specific, written prior permission.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
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* WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DIGITAL EQUIPMENT
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* CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
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* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
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* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
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* ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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* SOFTWARE.
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* -
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* --Copyright--
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*/
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/*
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* Global variables for the name server.
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*/
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#ifdef DEBUG
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DECL int debug INIT(0);
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DECL FILE *ddt INIT(NULL);
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#endif
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/* list of open streams */
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DECL struct qstream *streamq INIT(QSTREAM_NULL);
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/* list of datagram interfaces */
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DECL struct qdatagram *datagramq INIT(QDATAGRAM_NULL);
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/* often set to the current time */
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DECL struct timeval tt;
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/* head of allocated queries */
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DECL struct qinfo *nsqhead INIT(QINFO_NULL);
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/* list of forwarding hosts */
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DECL struct fwdinfo *fwdtab INIT(NULL);
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/* datagram socket */
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DECL int ds INIT(-1);
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/* listening TCP socket */
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DECL int vs INIT(-1);
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/* received SIGHUP, need to reload db */
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DECL int needreload INIT(0);
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/* need to call ns_maint()*/
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DECL int needmaint INIT(0);
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/* how often does ns_maint() need to be called, in seconds? */
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/* (beware: this is also the upper bound on named_xfer real time) */
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DECL int maint_interval INIT(15*60);
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#ifdef CLEANCACHE
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/* What's the minimum interval between cache cleanings? */
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DECL int cache_interval INIT(60*60);
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#endif
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#ifdef XSTATS
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/* What's the minimum interval between stats output? */
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DECL int stats_interval INIT(60*60);
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#endif
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/* need to process finished zone transfers */
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DECL int needendxfer INIT(0);
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/* need to reload secondary zone(s) */
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DECL int needzoneload INIT(0);
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/* need to dump database */
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DECL int needToDoadump INIT(0);
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/* need to checkpoint cache */
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DECL int needToChkpt INIT(0);
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/* need to dump statistics */
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DECL int needStatsDump INIT(0);
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#ifdef XSTATS
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/* need to exit
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* set by shutdown signal handler
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* (onintr)
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*/
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DECL int needToExit INIT(0);
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#endif /* XSTATS */
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#ifdef QRYLOG
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/* is query logging turned on? */
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DECL int qrylog INIT(0);
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#endif /*QRYLOG*/
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/* should this server not recurse? */
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DECL int NoRecurse INIT(0);
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/* should this server never fetch glue? */
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DECL int NoFetchGlue INIT(0);
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/*
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* We keep a list of favored networks headed by nettab.
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* There are three (possibly empty) parts to this list, in this order:
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* 1. directly attached (sub)nets.
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* 2. logical networks for directly attached subnetted networks.
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* 3. networks from the sort list.
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* The value (*elocal) points at the first entry in the second part of the
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* list, if any, while (*enettab) points at the first entry in the sort list.
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*/
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DECL struct netinfo *nettab INIT(NULL);
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DECL struct netinfo **elocal INIT(&nettab);
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DECL struct netinfo **enettab INIT(&nettab);
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#ifdef XFRNETS
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/* list of nets we're willing to zone transfer to */
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DECL struct netinfo *xfrnets INIT(NULL);
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#endif
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#ifdef BOGUSNS
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/* list of bogus nameservers */
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DECL struct netinfo *boglist INIT(NULL);
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#endif
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/* loopback net */
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DECL struct netinfo netloop;
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/* port to which we send queries */
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DECL u_int16_t ns_port;
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/* Source addr of last packet */
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DECL struct sockaddr_in from_addr;
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/* Used by ns_stats */
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DECL time_t boottime,
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resettime;
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/* next query to retry */
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DECL struct qinfo *retryqp INIT(NULL);
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/* default boot file */
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#ifdef BOOTFILE
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DECL char *bootfile INIT(BOOTFILE);
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#else
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DECL char *bootfile INIT(_PATH_BOOT);
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#endif
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/* default debug output file */
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#ifdef DEBUGFILE
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DECL char *debugfile INIT(DEBUGFILE);
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#else
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DECL char *debugfile INIT(_PATH_DEBUG);
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#endif
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#ifdef WANT_PIDFILE
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/* file to store current named PID */
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#ifdef PIDFILE
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DECL char *PidFile INIT(PIDFILE);
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#else
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DECL char *PidFile INIT(_PATH_PIDFILE);
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#endif
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#endif /*WANT_PIDFILE*/
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/* zone information */
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DECL struct zoneinfo *zones INIT(NULL);
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/* number of zones in use */
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DECL int nzones INIT(0);
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/* true on slave server */
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DECL int forward_only INIT(0);
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/* set if we need a priming */
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DECL int needs_prime_cache INIT(0);
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/* is cache being primed */
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DECL int priming INIT(0);
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/* ptrs to dnames in msg for dn_comp */
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DECL u_char *dnptrs[40];
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/* number of names in addinfo */
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DECL int addcount;
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/* name of cache file */
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DECL char *cache_file;
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#ifdef LOCALDOM
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/* our local domain (deprecated in favor of resolv.conf) */
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DECL char *localdomain;
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#endif
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#ifdef SLAVE_FORWARD
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/* retry time when a slave */
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DECL int slave_retry INIT(4);
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#endif
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#ifdef STATSFILE
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DECL const char *statsfile INIT(STATSFILE);
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#else
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DECL const char *statsfile INIT(_PATH_STATS);
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#endif
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DECL const char sendtoStr[] INIT("sendto");
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/* defined in version.c, can't use DECL/INIT */
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extern char Version[];
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/* max value of xfers_running */
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DECL int max_xfers_running INIT(MAX_XFERS_RUNNING);
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/* max number of transfers to any given name server */
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DECL int max_xfers_per_ns INIT(MAX_XFERS_PER_NS);
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#ifndef INVQ
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/* should IQUERY be answered bogusly rather than with NOTIMPL? */
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DECL int fake_iquery INIT(0);
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#endif
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enum context { domain_ctx, owner_ctx, mailname_ctx, hostname_ctx };
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DECL const char *context_strings[]
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#ifdef MAIN_PROGRAM
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= { "domain", "owner", "mail", "host", NULL }
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#endif
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;
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enum transport { primary_trans, secondary_trans, response_trans, num_trans };
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DECL const char *transport_strings[]
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#ifdef MAIN_PROGRAM
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= { "primary", "secondary", "response", NULL }
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#endif
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;
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enum severity { ignore, warn, fail };
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DECL const char *severity_strings[]
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#ifdef MAIN_PROGRAM
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= { "ignore", "warn", "fail", NULL }
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#endif
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;
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DECL struct in_addr inaddr_any; /* Inits to 0.0.0.0 */
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