source3/libads/dns.h

   1 /*
   2  *  Unix SMB/CIFS implementation.
   3  *  Internal DNS query structures
   4  *  Copyright (C) Gerald Carter                2006.
   5  *
   6  *  This program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation; either version 3 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 #ifndef _ADS_DNS_H
  21 #define _ADS_DNS_H
  22
  23 /* DNS query section in replies */
  24
  25 struct dns_query {
  26         const char *hostname;
  27         uint16 type;
  28         uint16 in_class;
  29 };
  30
  31 /* DNS RR record in reply */
  32
  33 struct dns_rr {
  34         const char *hostname;
  35         uint16 type;
  36         uint16 in_class;
  37         uint32 ttl;
  38         uint16 rdatalen;
  39         uint8 *rdata;
  40 };
  41
  42 /* SRV records */
  43
  44 struct dns_rr_srv {
  45         const char *hostname;
  46         uint16 priority;
  47         uint16 weight;
  48         uint16 port;
  49         size_t num_ips;
  50         struct sockaddr_storage *ss_s;  /* support multi-homed hosts */
  51 };
  52
  53 /* NS records */
  54
  55 struct dns_rr_ns {
  56         const char *hostname;
  57         struct sockaddr_storage ss;
  58 };
  59
  60 /* The following definitions come from libads/dns.c  */
  61
  62 NTSTATUS ads_dns_lookup_ns(TALLOC_CTX *ctx,
  63                                 const char *dnsdomain,
  64                                 struct dns_rr_ns **nslist,
  65                                 int *numns);
  66 NTSTATUS ads_dns_query_dcs(TALLOC_CTX *ctx,
  67                            const char *realm,
  68                            const char *sitename,
  69                            struct dns_rr_srv **dclist,
  70                            int *numdcs );
  71 NTSTATUS ads_dns_query_gcs(TALLOC_CTX *ctx,
  72                            const char *realm,
  73                            const char *sitename,
  74                            struct dns_rr_srv **dclist,
  75                            int *numdcs );
  76 NTSTATUS ads_dns_query_kdcs(TALLOC_CTX *ctx,
  77                             const char *dns_forest_name,
  78                             const char *sitename,
  79                             struct dns_rr_srv **dclist,
  80                             int *numdcs );
  81 NTSTATUS ads_dns_query_pdc(TALLOC_CTX *ctx,
  82                            const char *dns_domain_name,
  83                            struct dns_rr_srv **dclist,
  84                            int *numdcs );
  85 NTSTATUS ads_dns_query_dcs_guid(TALLOC_CTX *ctx,
  86                                 const char *dns_forest_name,
  87                                 const struct GUID *domain_guid,
  88                                 struct dns_rr_srv **dclist,
  89                                 int *numdcs );
  90 #endif  /* _ADS_DNS_H */