s4 dns: Update prerequisite checking conforming to RFC
[mat/samba.git] / source4 / dns_server / dns_server.h
1 /*
2    Unix SMB/CIFS implementation.
3
4    DNS structures
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 #ifndef __DNS_SERVER_H__
23 #define __DNS_SERVER_H__
24
25 #include "librpc/gen_ndr/dns.h"
26 #include "librpc/gen_ndr/ndr_dnsp.h"
27
28 struct tsocket_address;
29
30 struct dns_server_zone {
31         struct dns_server_zone *prev, *next;
32         const char *name;
33         struct ldb_dn *dn;
34 };
35
36 struct dns_server {
37         struct task_server *task;
38         struct ldb_context *samdb;
39         struct dns_server_zone *zones;
40 };
41
42
43 WERROR dns_server_process_query(struct dns_server *dns,
44                                 TALLOC_CTX *mem_ctx,
45                                 struct dns_name_packet *in,
46                                 struct dns_res_rec **answers,    uint16_t *ancount,
47                                 struct dns_res_rec **nsrecs,     uint16_t *nscount,
48                                 struct dns_res_rec **additional, uint16_t *arcount);
49
50 WERROR dns_server_process_update(struct dns_server *dns,
51                                  TALLOC_CTX *mem_ctx,
52                                  struct dns_name_packet *in,
53                                  struct dns_res_rec **prereqs,    uint16_t *prereq_count,
54                                  struct dns_res_rec **updates,    uint16_t *update_count,
55                                  struct dns_res_rec **additional, uint16_t *arcount);
56
57 uint8_t werr_to_dns_err(WERROR werror);
58 bool dns_name_match(const char *zone, const char *name, size_t *host_part_len);
59 bool dns_name_equal(const char *name1, const char *name2);
60 bool dns_records_match(struct dnsp_DnssrvRpcRecord *rec1,
61                        struct dnsp_DnssrvRpcRecord *rec2);
62 WERROR dns_lookup_records(struct dns_server *dns,
63                           TALLOC_CTX *mem_ctx,
64                           struct ldb_dn *dn,
65                           struct dnsp_DnssrvRpcRecord **records,
66                           uint16_t *rec_count);
67 WERROR dns_name2dn(struct dns_server *dns,
68                    TALLOC_CTX *mem_ctx,
69                    const char *name,
70                    struct ldb_dn **_dn);
71
72 #define DNS_ERR(err_str) WERR_DNS_ERROR_RCODE_##err_str
73 #endif /* __DNS_SERVER_H__ */