source4/dns_server/dns_update.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    DNS server handler for update requests
   5
   6    Copyright (C) 2010 Kai Blin  <kai@samba.org>
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 3 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20 */
  21
  22 #include "includes.h"
  23 #include "libcli/util/ntstatus.h"
  24 #include "librpc/ndr/libndr.h"
  25 #include "librpc/gen_ndr/ndr_dns.h"
  26 #include "librpc/gen_ndr/ndr_dnsp.h"
  27 #include <ldb.h>
  28 #include "dsdb/samdb/samdb.h"
  29 #include "dsdb/common/util.h"
  30 #include "dns_server/dns_server.h"
  31
  32 NTSTATUS dns_server_process_update(struct dns_server *dns,
  33                                    TALLOC_CTX *mem_ctx,
  34                                    struct dns_name_packet *in,
  35                                    struct dns_res_rec **prereqs,    uint16_t *prereq_count,
  36                                    struct dns_res_rec **updates,    uint16_t *update_count,
  37                                    struct dns_res_rec **additional, uint16_t *arcount)
  38 {
  39         struct dns_name_question *zone;
  40         NTSTATUS status;
  41         const struct dns_server_zone *z;
  42         size_t host_part_len = 0;
  43
  44         if (in->qdcount != 1) {
  45                 return NT_STATUS_INVALID_PARAMETER;
  46         }
  47
  48         zone = in->questions;
  49
  50         if (zone->question_type != DNS_QTYPE_SOA) {
  51                 return NT_STATUS_INVALID_PARAMETER;
  52         }
  53
  54         DEBUG(0, ("Got a dns update request.\n"));
  55
  56         for (z = dns->zones; z != NULL; z = z->next) {
  57                 bool match;
  58
  59                 match = dns_name_match(z->name, zone->name, &host_part_len);
  60                 if (match) {
  61                         break;
  62                 }
  63         }
  64
  65         if (z == NULL) {
  66                 return NT_STATUS_FOOBAR;
  67         }
  68
  69         if (host_part_len != 0) {
  70                 return NT_STATUS_NOT_IMPLEMENTED;
  71         }
  72
  73         return NT_STATUS_NOT_IMPLEMENTED;
  74 }