libcli/dns/dns.h

   1 /*
   2  *  Unix SMB/CIFS implementation.
   3  *  Internal DNS query structures
   4  *  Copyright (C) Gerald Carter                2006.
   5  *  Copyright (C) Andrew Bartlett 2011
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License as published by
   9  *  the Free Software Foundation; either version 3 of the License, or
  10  *  (at your option) any later version.
  11  *
  12  *  This program is distributed in the hope that it will be useful,
  13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *  GNU General Public License for more details.
  16  *
  17  *  You should have received a copy of the GNU General Public License
  18  *  along with this program; if not, see <http://www.gnu.org/licenses/>.
  19  */
  20
  21 /* DNS query section in replies */
  22
  23 struct dns_query {
  24         const char *hostname;
  25         uint16_t type;
  26         uint16_t in_class;
  27 };
  28
  29 /* DNS RR record in reply */
  30
  31 struct dns_rr {
  32         const char *hostname;
  33         uint16_t type;
  34         uint16_t in_class;
  35         uint32_t ttl;
  36         uint16_t rdatalen;
  37         uint8_t *rdata;
  38 };
  39
  40 /* SRV records */
  41
  42 struct dns_rr_srv {
  43         const char *hostname;
  44         uint16_t priority;
  45         uint16_t weight;
  46         uint16_t port;
  47         size_t num_ips;
  48         struct sockaddr_storage *ss_s;  /* support multi-homed hosts */
  49 };
  50
  51 /* NS records */
  52
  53 struct dns_rr_ns {
  54         const char *hostname;
  55         struct sockaddr_storage ss;
  56 };
  57
  58 NTSTATUS resolve_dns_hosts_file_as_sockaddr(const char *dns_hosts_file,
  59                                             const char *name, bool srv_lookup,
  60                                             TALLOC_CTX *mem_ctx,
  61                                             struct sockaddr_storage **return_iplist,
  62                                             int *return_count);
  63
  64 NTSTATUS resolve_dns_hosts_file_as_dns_rr(const char *dns_hosts_file,
  65                                           const char *name, bool srv_lookup,
  66                                           TALLOC_CTX *mem_ctx,
  67                                           struct dns_rr_srv **return_rr,
  68                                           int *return_count);