contrib/bind9/bin/named/include/named/query.h

   1 /*
   2  * Copyright (C) 2004, 2005, 2007, 2010, 2011  Internet Systems Consortium, Inc. ("ISC")
   3  * Copyright (C) 1999-2002  Internet Software Consortium.
   4  *
   5  * Permission to use, copy, modify, and/or distribute this software for any
   6  * purpose with or without fee is hereby granted, provided that the above
   7  * copyright notice and this permission notice appear in all copies.
   8  *
   9  * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
  10  * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
  11  * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
  12  * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
  13  * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
  14  * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  15  * PERFORMANCE OF THIS SOFTWARE.
  16  */
  17
  18 /* $Id: query.h,v 1.45 2011/01/13 04:59:24 tbox Exp $ */
  19
  20 #ifndef NAMED_QUERY_H
  21 #define NAMED_QUERY_H 1
  22
  23 /*! \file */
  24
  25 #include <isc/types.h>
  26 #include <isc/buffer.h>
  27 #include <isc/netaddr.h>
  28
  29 #include <dns/rdataset.h>
  30 #include <dns/rpz.h>
  31 #include <dns/types.h>
  32
  33 #include <named/types.h>
  34
  35 /*% nameserver database version structure */
  36 typedef struct ns_dbversion {
  37         dns_db_t                        *db;
  38         dns_dbversion_t                 *version;
  39         isc_boolean_t                   acl_checked;
  40         isc_boolean_t                   queryok;
  41         ISC_LINK(struct ns_dbversion)   link;
  42 } ns_dbversion_t;
  43
  44 /*% nameserver query structure */
  45 struct ns_query {
  46         unsigned int                    attributes;
  47         unsigned int                    restarts;
  48         isc_boolean_t                   timerset;
  49         dns_name_t *                    qname;
  50         dns_name_t *                    origqname;
  51         unsigned int                    dboptions;
  52         unsigned int                    fetchoptions;
  53         dns_db_t *                      gluedb;
  54         dns_db_t *                      authdb;
  55         dns_zone_t *                    authzone;
  56         isc_boolean_t                   authdbset;
  57         isc_boolean_t                   isreferral;
  58         isc_mutex_t                     fetchlock;
  59         dns_fetch_t *                   fetch;
  60         dns_rpz_st_t *                  rpz_st;
  61         isc_bufferlist_t                namebufs;
  62         ISC_LIST(ns_dbversion_t)        activeversions;
  63         ISC_LIST(ns_dbversion_t)        freeversions;
  64         dns_rdataset_t *                dns64_aaaa;
  65         dns_rdataset_t *                dns64_sigaaaa;
  66         isc_boolean_t *                 dns64_aaaaok;
  67         unsigned int                    dns64_aaaaoklen;
  68         unsigned int                    dns64_options;
  69         unsigned int                    dns64_ttl;
  70 };
  71
  72 #define NS_QUERYATTR_RECURSIONOK        0x0001
  73 #define NS_QUERYATTR_CACHEOK            0x0002
  74 #define NS_QUERYATTR_PARTIALANSWER      0x0004
  75 #define NS_QUERYATTR_NAMEBUFUSED        0x0008
  76 #define NS_QUERYATTR_RECURSING          0x0010
  77 #define NS_QUERYATTR_CACHEGLUEOK        0x0020
  78 #define NS_QUERYATTR_QUERYOKVALID       0x0040
  79 #define NS_QUERYATTR_QUERYOK            0x0080
  80 #define NS_QUERYATTR_WANTRECURSION      0x0100
  81 #define NS_QUERYATTR_SECURE             0x0200
  82 #define NS_QUERYATTR_NOAUTHORITY        0x0400
  83 #define NS_QUERYATTR_NOADDITIONAL       0x0800
  84 #define NS_QUERYATTR_CACHEACLOKVALID    0x1000
  85 #define NS_QUERYATTR_CACHEACLOK         0x2000
  86 #define NS_QUERYATTR_DNS64              0x4000
  87 #define NS_QUERYATTR_DNS64EXCLUDE       0x8000
  88
  89
  90 isc_result_t
  91 ns_query_init(ns_client_t *client);
  92
  93 void
  94 ns_query_free(ns_client_t *client);
  95
  96 void
  97 ns_query_start(ns_client_t *client);
  98
  99 void
 100 ns_query_cancel(ns_client_t *client);
 101
 102 #endif /* NAMED_QUERY_H */