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authorpst <pst@FreeBSD.org>1994-09-22 19:46:15 +0000
committerpst <pst@FreeBSD.org>1994-09-22 19:46:15 +0000
commit839b7265a7fec941fd644ff8fce93d80f5c83197 (patch)
tree985a5e0ae3d99e49ed58dba2355d6a220b3945fc /usr.sbin/named/db_defs.h
parent900d29807dafc6f0cf9a730ae1f46bcca5d00f3d (diff)
parent3866fef02d12ce18b3b81e010ac2af997ce350a8 (diff)
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This commit was generated by cvs2svn to compensate for changes in r2980,
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+/*
+ * from db.h 4.16 (Berkeley) 6/1/90
+ * $Id: db_defs.h,v 1.11 1994/07/22 08:42:39 vixie Exp $
+ */
+
+/*
+ * ++Copyright++ 1985, 1990
+ * -
+ * Copyright (c) 1985, 1990
+ * 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 data base routines.
+ */
+
+#define INVBLKSZ 7 /* # of namebuf pointers per block */
+#define INVHASHSZ 919 /* size of inverse hash table */
+
+ /* max length of data in RR data field */
+#define MAXDATA 2048
+
+#define DB_ROOT_TIMBUF 3600
+#define TIMBUF 300
+
+/*
+ * Hash table structures.
+ */
+struct databuf {
+ struct databuf *d_next; /* linked list */
+ u_int32_t d_ttl; /* time to live */
+ /* if d_zone == DB_Z_CACHE, then
+ * d_ttl is actually the time when
+ * the record will expire.
+ * otherwise (for authoritative
+ * primary and secondary zones),
+ * d_ttl is the time to live.
+ */
+ unsigned d_flags :7; /* see below */
+ unsigned d_cred :3; /* DB_C_{??????} */
+ unsigned d_clev :6;
+ int16_t d_zone; /* zone number or 0 for the cache */
+ int16_t d_class; /* class number */
+ int16_t d_type; /* type number */
+ int16_t d_mark; /* place to mark data */
+ int16_t d_size; /* size of data area */
+#ifdef NCACHE
+ int16_t d_rcode; /* rcode added for negative caching */
+#endif
+ int16_t d_rcnt;
+#ifdef STATS
+ struct nameser *d_ns; /* NS from whence this came */
+#endif
+/*XXX*/ u_int32_t d_nstime; /* NS response time, milliseconds */
+ u_char d_data[sizeof(char*)]; /* malloc'd (padded) */
+};
+#define DATASIZE(n) (sizeof(struct databuf) - sizeof(char*) + n)
+
+/*
+ * d_flags definitions
+ */
+#define DB_F_HINT 0x01 /* databuf belongs to fcachetab */
+
+/*
+ * d_cred definitions
+ */
+#define DB_C_ZONE 4 /* authoritative zone - best */
+#define DB_C_AUTH 3 /* authoritative answer */
+#define DB_C_ANSWER 2 /* non-authoritative answer */
+#define DB_C_ADDITIONAL 1 /* additional data */
+#define DB_C_CACHE 0 /* cache - worst */
+
+struct namebuf {
+ char *n_dname; /* domain name */
+ u_int n_hashval; /* hash value of n_dname */
+ struct namebuf *n_next; /* linked list */
+ struct databuf *n_data; /* data records */
+ struct namebuf *n_parent; /* parent domain */
+ struct hashbuf *n_hash; /* hash table for children */
+};
+
+#ifdef INVQ
+struct invbuf {
+ struct invbuf *i_next; /* linked list */
+ struct namebuf *i_dname[INVBLKSZ]; /* domain name */
+};
+#endif
+
+struct hashbuf {
+ int h_size; /* size of hash table */
+ int h_cnt; /* number of entries */
+ struct namebuf *h_tab[1]; /* malloc'ed as needed */
+};
+#define HASHSIZE(s) (s*sizeof(struct namebuf *) + 2*sizeof(int))
+
+#define HASHSHIFT 3
+#define HASHMASK 0x1f
+
+/*
+ * Flags to updatedb
+ */
+#define DB_NODATA 0x01 /* data should not exist */
+#define DB_MEXIST 0x02 /* data must exist */
+#define DB_DELETE 0x04 /* delete data if it exists */
+#define DB_NOTAUTH 0x08 /* must not update authoritative data */
+#define DB_NOHINTS 0x10 /* don't reflect update in fcachetab */
+
+#define DB_Z_CACHE (0) /* cache-zone-only db_dump() */
+#define DB_Z_ALL (-1) /* normal db_dump() */
+
+/*
+ * Error return codes
+ */
+#define OK 0
+#define NONAME -1
+#define NOCLASS -2
+#define NOTYPE -3
+#define NODATA -4
+#define DATAEXISTS -5
+#define NODBFILE -6
+#define TOOMANYZONES -7
+#define GOODDB -8
+#define NEWDB -9
+#define AUTH -10
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