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Diffstat (limited to 'usr.sbin/named/ns_defs.h')
| -rw-r--r-- | usr.sbin/named/ns_defs.h | 401 |
1 files changed, 0 insertions, 401 deletions
diff --git a/usr.sbin/named/ns_defs.h b/usr.sbin/named/ns_defs.h deleted file mode 100644 index a6615bf..0000000 --- a/usr.sbin/named/ns_defs.h +++ /dev/null @@ -1,401 +0,0 @@ -/* - * from ns.h 4.33 (Berkeley) 8/23/90 - * $Id: ns_defs.h,v 1.3 1995/08/20 21:18:34 peter Exp $ - */ - -/* - * ++Copyright++ 1986 - * - - * Copyright (c) 1986 - * The Regents of the University of California. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - - * Portions Copyright (c) 1993 by Digital Equipment Corporation. - * - * Permission to use, copy, modify, and 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, and that - * the name of Digital Equipment Corporation not be used in advertising or - * publicity pertaining to distribution of the document or software without - * specific, written prior permission. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL - * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DIGITAL EQUIPMENT - * CORPORATION 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. - * - - * --Copyright-- - */ - -/* - * Global definitions for the name server. - */ - -/* - * Effort has been expended here to make all structure members 32 bits or - * larger land on 32-bit boundaries; smaller structure members have been - * deliberately shuffled and smaller integer sizes chosen where possible - * to make sure this happens. This is all meant to avoid structure member - * padding which can cost a _lot_ of memory when you have hundreds of - * thousands of entries in your cache. - */ - -/* - * Timeout time should be around 1 minute or so. Using the - * the current simplistic backoff strategy, the sequence - * retrys after 4, 8, and 16 seconds. With 3 servers, this - * dies out in a little more than a minute. - * (sequence RETRYBASE, 2*RETRYBASE, 4*RETRYBASE... for MAXRETRY) - */ -#define MINROOTS 2 /* min number of root hints */ -#define NSMAX 16 /* max number of NS addrs to try ([0..255]) */ -#define RETRYBASE 4 /* base time between retries */ -#define MAXCLASS 255 /* XXX - may belong elsewhere */ -#define MAXRETRY 3 /* max number of retries per addr */ -#define MAXCNAMES 8 /* max # of CNAMES tried per addr */ -#define MAXQUERIES 20 /* max # of queries to be made */ -#define MAXQSERIAL 4 /* max # of outstanding QSERIAL's */ - /* (prevent "recursive" loops) */ -#define INIT_REFRESH 600 /* retry time for initial secondary */ - /* contact (10 minutes) */ -#define NADDRECS 20 /* max addt'l rr's per resp */ - -#define XFER_TIMER 120 /* named-xfer's connect timeout */ -#define MAX_XFER_TIME 60*60*2 /* max seconds for an xfer */ -#define XFER_TIME_FUDGE 10 /* MAX_XFER_TIME fudge */ -#define MAX_XFERS_RUNNING 10 /* default max value of xfers_running */ -#define MAX_XFERS_PER_NS 2 /* max # of xfers per peer nameserver */ -#define XFER_BUFSIZE (16*1024) /* arbitrary but bigger than most MTU's */ - -#define ALPHA 0.7 /* How much to preserve of old response time */ -#define BETA 1.2 /* How much to penalize response time on failure */ -#define GAMMA 0.98 /* How much to decay unused response times */ - -#define USE_MINIMUM 0xffffffff - - /* sequence-space arithmetic */ -#define SEQ_GT(a,b) ((int32_t)((a)-(b)) > 0) - - /* wildcard predicate */ -#define WILDCARD_P(str) (str[0] == '*' && str[1] == '\0') - - /* cheap garbage collection */ -#define FREE_ONCE(p) { if (p) { free(p); p = NULL; } } - -/* these fields are ordered to maintain word-alignment; - * be careful about changing them. - */ -struct zoneinfo { - char *z_origin; /* root domain name of zone */ - time_t z_time; /* time for next refresh */ - time_t z_lastupdate; /* time of last refresh */ - u_int32_t z_refresh; /* refresh interval */ - u_int32_t z_retry; /* refresh retry interval */ - u_int32_t z_expire; /* expiration time for cached info */ - u_int32_t z_minimum; /* minimum TTL value */ - u_int32_t z_serial; /* changes if zone modified */ - char *z_source; /* source location of data */ - time_t z_ftime; /* modification time of source file */ - struct in_addr z_xaddr; /* override server for next xfer */ - struct in_addr z_addr[NSMAX]; /* list of master servers for zone */ - u_char z_addrcnt; /* number of entries in z_addr[] */ - u_char z_type; /* type of zone; see below */ - u_int16_t z_flags; /* state bits; see below */ - pid_t z_xferpid; /* xfer child pid */ - int z_class; /* class of zone */ -#ifdef SECURE_ZONES - struct netinfo *secure_nets; /* list of secure networks for zone */ -#endif -#ifdef BIND_NOTIFY - /* XXX - this will have to move to the name when we do !SOA notify */ - struct notify *z_notifylist; /* list of servers we should notify */ -#endif -}; - -#ifdef BIND_NOTIFY -struct notify { - struct in_addr addr; /* of server */ - time_t last; /* when they asked */ - struct notify *next; - /* XXX - this will need a type field when we do !SOA notify */ -}; -#endif - - /* zone types (z_type) */ -#define Z_NIL 0 /* zone slot not in use */ -#define Z_PRIMARY 1 -#define Z_SECONDARY 2 -#define Z_CACHE 3 -#define Z_STUB 4 - - /* zone state bits (16 bits) */ -#define Z_AUTH 0x0001 /* zone is authoritative */ -#define Z_NEED_XFER 0x0002 /* waiting to do xfer */ -#define Z_XFER_RUNNING 0x0004 /* asynch. xfer is running */ -#define Z_NEED_RELOAD 0x0008 /* waiting to do reload */ -#define Z_SYSLOGGED 0x0010 /* have logged timeout */ -#define Z_QSERIAL 0x0020 /* sysquery()'ing for serial number */ -#define Z_FOUND 0x0040 /* found in boot file when reloading */ -#define Z_INCLUDE 0x0080 /* set if include used in file */ -#define Z_DB_BAD 0x0100 /* errors when loading file */ -#define Z_TMP_FILE 0x0200 /* backup file for xfer is temporary */ -#ifdef ALLOW_UPDATES -#define Z_DYNAMIC 0x0400 /* allow dynamic updates */ -#define Z_DYNADDONLY 0x0800 /* dynamic mode: add new data only */ -#define Z_CHANGED 0x1000 /* zone has changed */ -#endif /* ALLOW_UPDATES */ -#define Z_XFER_ABORTED 0x2000 /* zone transfer has been aborted */ -#define Z_XFER_GONE 0x4000 /* zone transfer process is gone */ - - /* named_xfer exit codes */ -#define XFER_UPTODATE 0 /* zone is up-to-date */ -#define XFER_SUCCESS 1 /* performed transfer successfully */ -#define XFER_TIMEOUT 2 /* no server reachable/xfer timeout */ -#define XFER_FAIL 3 /* other failure, has been logged */ - -#include <sys/time.h> - -/* XXX - "struct qserv" is deprecated in favor of "struct nameser" */ -struct qserv { - struct sockaddr_in - ns_addr; /* address of NS */ - struct databuf *ns; /* databuf for NS record */ - struct databuf *nsdata; /* databuf for server address */ - struct timeval stime; /* time first query started */ - int nretry; /* # of times addr retried */ -}; - -/* - * Structure for recording info on forwarded or generated queries. - */ -struct qinfo { - u_int16_t q_id; /* id of query */ - u_int16_t q_nsid; /* id of forwarded query */ - struct sockaddr_in - q_from; /* requestor's address */ - u_char *q_msg, /* the message */ - *q_cmsg; /* the cname message */ - int16_t q_msglen, /* len of message */ - q_cmsglen; /* len of cname message */ - int16_t q_dfd; /* UDP file descriptor */ - struct fwdinfo *q_fwd; /* last forwarder used */ - time_t q_time; /* time to retry */ - time_t q_expire; /* time to expire */ - struct qinfo *q_next; /* rexmit list (sorted by time) */ - struct qinfo *q_link; /* storage list (random order) */ - struct databuf *q_usedns[NSMAX]; /* databuf for NS that we've tried */ - struct qserv q_addr[NSMAX]; /* addresses of NS's */ -#ifdef notyet - struct nameser *q_ns[NSMAX]; /* name servers */ -#endif - u_char q_naddr; /* number of addr's in q_addr */ - u_char q_curaddr; /* last addr sent to */ - u_char q_nusedns; /* number of elements in q_usedns[] */ - u_int8_t q_flags; /* see below */ - int16_t q_cname; /* # of cnames found */ - int16_t q_nqueries; /* # of queries required */ - struct qstream *q_stream; /* TCP stream, null if UDP */ - struct zoneinfo *q_zquery; /* Zone query is about (Q_ZSERIAL) */ -#if defined(LAME_DELEGATION) || defined(VALIDATE) - char q_domain[MAXDNAME]; /* domain for servers we are querying */ -#endif -#ifdef BIND_NOTIFY - int q_notifyzone; /* zone which needs a sysnotify() - * when the reply to this comes in. - */ -#endif -}; - - /* q_flags bits (8 bits) */ -#define Q_SYSTEM 0x01 /* is a system query */ -#define Q_PRIMING 0x02 /* generated during priming phase */ -#define Q_ZSERIAL 0x04 /* getting zone serial for xfer test */ - -#define Q_NEXTADDR(qp,n) \ - (((qp)->q_fwd == (struct fwdinfo *)0) ? \ - &(qp)->q_addr[n].ns_addr : &(qp)->q_fwd->fwdaddr) - -#define RETRY_TIMEOUT 45 -#define QINFO_NULL ((struct qinfo *)0) - -/* - * Return codes from ns_forw: - */ -#define FW_OK 0 -#define FW_DUP 1 -#define FW_NOSERVER 2 -#define FW_SERVFAIL 3 - -struct qstream { - int s_rfd; /* stream file descriptor */ - int s_size; /* expected amount of data to recive */ - int s_bufsize; /* amount of data recived in s_buf */ - u_char *s_buf; /* buffer of received data */ - u_char *s_bufp; /* pointer into s_buf of recived data*/ - struct qstream *s_next; /* next stream */ - struct sockaddr_in - s_from; /* address query came from */ - u_int32_t s_time; /* time stamp of last transaction */ - int s_refcnt; /* number of outstanding queries */ - u_int16_t s_tempsize; /* temporary for size from net */ -}; -#define QSTREAM_NULL ((struct qstream *)0) - -struct qdatagram { - int dq_dfd; /* datagram file descriptor */ - time_t dq_gen; /* generation number */ - struct qdatagram - *dq_next; /* next datagram */ - struct in_addr dq_addr; /* interface address */ -}; -#define QDATAGRAM_NULL ((struct qdatagram *)0) - -struct netinfo { - struct netinfo *next; - u_int32_t addr; - u_int32_t mask; - struct in_addr my_addr; -}; - -#define ALLOW_NETS 0x0001 -#define ALLOW_HOSTS 0x0002 -#define ALLOW_ALL (ALLOW_NETS | ALLOW_HOSTS) - -struct fwdinfo { - struct fwdinfo *next; - struct sockaddr_in - fwdaddr; -}; - -enum nameserStats { nssRcvdQ, /* sent us a query */ - nssRcvdR, /* sent us an answer */ - nssRcvdIQ, /* sent us an inverse query */ - nssRcvdNXD, /* sent us a negative response */ - nssRcvdFwdQ, /* sent us a query we had to fwd */ - nssRcvdFwdR, /* sent us a response we had to fwd */ - nssRcvdDupQ, /* sent us a retry */ - nssRcvdDupR, /* sent us an extra answer */ - nssRcvdFail, /* sent us a SERVFAIL */ - nssRcvdFErr, /* sent us a FORMERR */ - nssRcvdErr, /* sent us some other error */ - nssRcvdTCP, /* sent us a query using TCP */ - nssRcvdAXFR, /* sent us an AXFR */ - nssRcvdLDel, /* sent us a lame delegation */ - nssRcvdOpts, /* sent us some IP options */ - nssSentSysQ, /* sent them a sysquery */ - nssSentAns, /* sent them an answer */ - nssSentFwdQ, /* fwdd a query to them */ - nssSentFwdR, /* fwdd a response to them */ - nssSentDupQ, /* sent them a retry */ - nssSentFail, /* sent them a SERVFAIL */ - nssSentFErr, /* sent them a FORMERR */ - nssSendtoErr, /* error in sendto */ -#ifdef XSTATS - nssNotNsQ, /* query received from remote port != ns_port */ - nssSentNaAns, /* sent them a non autoritative answer */ - nssSentNXD, /* sent them a negative response */ -#endif - nssLast }; - -struct nameser { - struct in_addr addr; /* key */ - u_long stats[nssLast]; /* statistics */ -#ifdef notyet - u_int32_t rtt; /* round trip time */ - /* XXX - need to add more stuff from "struct qserv", and use our rtt */ - u_int16_t flags; /* see below */ -#endif - u_int8_t xfers; /* #/xfers running right now */ -}; - - -#ifdef NCACHE -#define NOERROR_NODATA 6 /* only used internally by the server, used for - * -ve $ing non-existence of records. 6 is not - * a code used as yet anyway. anant@isi.edu - */ -#define NTTL 600 /* ttl for negative data: 10 minutes? */ -#endif /*NCACHE*/ - -#define VQEXPIRY 900 /* a VQ entry expires in 15*60 = 900 seconds */ - -#ifdef VALIDATE - -#define INVALID 0 -#define VALID_NO_CACHE 1 -#define VALID_CACHE 2 -#define MAXNAMECACHE 100 -#define MAXVQ 100 /* Max number of elements in TO_Validate queue */ - -struct _nameaddr { - struct in_addr ns_addr; - char *nsname; -}; -typedef struct _nameaddr NAMEADDR; - -struct _to_validate { - int16_t class; /* Name Class */ - int16_t type; /* RR type */ - char *data; /* RR data */ - char *dname; /* Name */ - time_t time; /* time at which inserted in queue */ - struct _to_validate - *next, - *prev; -}; -typedef struct _to_validate TO_Validate; - -#endif /*VALIDATE*/ - - -#ifdef DEBUG -# define dprintf(lev, args) (ddt && (debug >= lev) && fprintf args) -#else -# define dprintf(lev, args) -#endif - -#ifdef INIT - error "INIT already defined, check system include files" -#endif -#ifdef DECL - error "DECL already defined, check system include files" -#endif - -#ifdef MAIN_PROGRAM -#define INIT(x) = x -#define DECL -#else -#define INIT(x) -#define DECL extern -#endif |
