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edcbc99125
Add support for dns wildcard records. i.e. if the following records exist exact.samba.example.com 3600 A 1.1.1.1 *.samba.example.com 3600 A 1.1.1.2 look up on exact.samba.example.com will return 1.1.1.1 look up on *.samba.example.com will return 1.1.1.2 look up on other.samba.example.com will return 1.1.1.2 Signed-off-by: Gary Lockyer <gary@catalyst.net.nz> Reviewed-by: Andrew Bartlett <abartlet@samba.org> Reviewed-by: Garming Sam <garming@catalyst.net.nz> BUG: https://bugzilla.samba.org/show_bug.cgi?id=12952
132 lines
4.1 KiB
C
132 lines
4.1 KiB
C
/*
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Unix SMB/CIFS implementation.
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DNS structures
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Copyright (C) 2010 Kai Blin <kai@samba.org>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __DNS_SERVER_H__
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#define __DNS_SERVER_H__
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#include "librpc/gen_ndr/dns.h"
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#include "librpc/gen_ndr/ndr_dnsp.h"
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#include "dnsserver_common.h"
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struct tsocket_address;
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struct dns_server_tkey {
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const char *name;
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enum dns_tkey_mode mode;
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const char *algorithm;
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struct auth_session_info *session_info;
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struct gensec_security *gensec;
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bool complete;
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};
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#define TKEY_BUFFER_SIZE 128
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struct dns_server_tkey_store {
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struct dns_server_tkey **tkeys;
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uint16_t next_idx;
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uint16_t size;
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};
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struct dns_server {
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struct task_server *task;
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struct ldb_context *samdb;
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struct dns_server_zone *zones;
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struct dns_server_tkey_store *tkeys;
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struct cli_credentials *server_credentials;
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uint16_t max_payload;
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};
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struct dns_request_state {
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TALLOC_CTX *mem_ctx;
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uint16_t flags;
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bool authenticated;
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bool sign;
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char *key_name;
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struct dns_res_rec *tsig;
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uint16_t tsig_error;
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const struct tsocket_address *local_address;
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const struct tsocket_address *remote_address;
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};
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struct tevent_req *dns_server_process_query_send(
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TALLOC_CTX *mem_ctx, struct tevent_context *ev,
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struct dns_server *dns, struct dns_request_state *req_state,
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const struct dns_name_packet *in);
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WERROR dns_server_process_query_recv(
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struct tevent_req *req, TALLOC_CTX *mem_ctx,
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struct dns_res_rec **answers, uint16_t *ancount,
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struct dns_res_rec **nsrecs, uint16_t *nscount,
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struct dns_res_rec **additional, uint16_t *arcount);
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WERROR dns_server_process_update(struct dns_server *dns,
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const struct dns_request_state *state,
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TALLOC_CTX *mem_ctx,
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const struct dns_name_packet *in,
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struct dns_res_rec **prereqs, uint16_t *prereq_count,
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struct dns_res_rec **updates, uint16_t *update_count,
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struct dns_res_rec **additional, uint16_t *arcount);
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bool dns_name_equal(const char *name1, const char *name2);
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bool dns_records_match(struct dnsp_DnssrvRpcRecord *rec1,
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struct dnsp_DnssrvRpcRecord *rec2);
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bool dns_authoritative_for_zone(struct dns_server *dns,
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const char *name);
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const char *dns_get_authoritative_zone(struct dns_server *dns,
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const char *name);
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WERROR dns_lookup_records(struct dns_server *dns,
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TALLOC_CTX *mem_ctx,
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struct ldb_dn *dn,
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struct dnsp_DnssrvRpcRecord **records,
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uint16_t *rec_count);
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WERROR dns_lookup_records_wildcard(struct dns_server *dns,
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TALLOC_CTX *mem_ctx,
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struct ldb_dn *dn,
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struct dnsp_DnssrvRpcRecord **records,
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uint16_t *rec_count);
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WERROR dns_replace_records(struct dns_server *dns,
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TALLOC_CTX *mem_ctx,
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struct ldb_dn *dn,
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bool needs_add,
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struct dnsp_DnssrvRpcRecord *records,
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uint16_t rec_count);
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WERROR dns_name2dn(struct dns_server *dns,
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TALLOC_CTX *mem_ctx,
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const char *name,
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struct ldb_dn **_dn);
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WERROR dns_generate_options(struct dns_server *dns,
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TALLOC_CTX *mem_ctx,
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struct dns_res_rec **options);
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struct dns_server_tkey *dns_find_tkey(struct dns_server_tkey_store *store,
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const char *name);
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WERROR dns_verify_tsig(struct dns_server *dns,
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TALLOC_CTX *mem_ctx,
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struct dns_request_state *state,
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struct dns_name_packet *packet,
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DATA_BLOB *in);
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WERROR dns_sign_tsig(struct dns_server *dns,
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TALLOC_CTX *mem_ctx,
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struct dns_request_state *state,
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struct dns_name_packet *packet,
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uint16_t error);
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#include "source4/dns_server/dnsserver_common.h"
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#endif /* __DNS_SERVER_H__ */
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