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/*
Unix SMB/CIFS implementation.
DNS server utils
Copyright (C) 2014 Stefan Metzmacher
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "rpc_server/dnsserver/dnsserver.h"
#ifndef __DNSSERVER_COMMON_H__
#define __DNSSERVER_COMMON_H__
uint8_t werr_to_dns_err(WERROR werr);
#define DNS_ERR(err_str) WERR_DNS_ERROR_RCODE_##err_str
struct ldb_message_element;
struct ldb_context;
struct dnsp_DnssrvRpcRecord;
struct dns_server_zone {
struct dns_server_zone *prev, *next;
const char *name;
struct ldb_dn *dn;
};
WERROR dns_common_extract(struct ldb_context *samdb,
const struct ldb_message_element *el,
TALLOC_CTX *mem_ctx,
struct dnsp_DnssrvRpcRecord **records,
uint16_t *num_records);
WERROR dns_common_lookup(struct ldb_context *samdb,
TALLOC_CTX *mem_ctx,
struct ldb_dn *dn,
struct dnsp_DnssrvRpcRecord **records,
uint16_t *num_records,
bool *tombstoned);
WERROR dns_common_wildcard_lookup(struct ldb_context *samdb,
TALLOC_CTX *mem_ctx,
struct ldb_dn *dn,
struct dnsp_DnssrvRpcRecord **records,
uint16_t *num_records);
WERROR dns_name_check(TALLOC_CTX *mem_ctx,
size_t len,
const char *name);
WERROR dns_get_zone_properties(struct ldb_context *samdb,
TALLOC_CTX *mem_ctx,
struct ldb_dn *zone_dn,
struct dnsserver_zoneinfo *zoneinfo);
bool dns_name_is_static(struct dnsp_DnssrvRpcRecord *records,
uint16_t rec_count);
WERROR dns_common_replace(struct ldb_context *samdb,
TALLOC_CTX *mem_ctx,
struct ldb_dn *dn,
bool needs_add,
uint32_t serial,
struct dnsp_DnssrvRpcRecord *records,
uint16_t rec_count);
bool dns_name_match(const char *zone, const char *name, size_t *host_part_len);
WERROR dns_common_name2dn(struct ldb_context *samdb,
struct dns_server_zone *zones,
TALLOC_CTX *mem_ctx,
const char *name,
struct ldb_dn **_dn);
bool samba_dns_name_equal(const char *name1, const char *name2);
bool dns_record_match(struct dnsp_DnssrvRpcRecord *rec1,
struct dnsp_DnssrvRpcRecord *rec2);
/*
* For this routine, base_dn is generally NULL. The exception comes
* from the python bindings to support setting ACLs on DNS objects
* when joining Windows
*/
NTSTATUS dns_common_zones(struct ldb_context *samdb,
TALLOC_CTX *mem_ctx,
struct ldb_dn *base_dn,
struct dns_server_zone **zones_ret);
bool dns_zoneinfo_load_zone_property(struct dnsserver_zoneinfo *zoneinfo,
struct dnsp_DnsProperty *prop);
/*
* Log a DNS operation along with it's duration
* Enabled by setting a log level of "dns:10"
*
* const char *operation
* const char *result
* const struct timeval *start
* const char *zone
* const char *name
* const char *data
*/
#define DNS_COMMON_LOG_OPERATION(result, start, zone, name, data) \
if (CHECK_DEBUGLVLC(DBGC_DNS, DBGLVL_DEBUG)) { \
struct timeval now = timeval_current(); \
uint64_t duration = usec_time_diff(&now, (start));\
const char *re = (result);\
const char *zn = (zone); \
const char *nm = (name); \
const char *dt = (data); \
DBG_DEBUG( \
"DNS timing: result: [%s] duration: (%" PRIi64 ") " \
"zone: [%s] name: [%s] data: [%s]\n", \
re == NULL ? "" : re, \
duration, \
zn == NULL ? "" : zn, \
nm == NULL ? "" : nm, \
dt == NULL ? "" : dt); \
}
/* There are this many nttime jiffies in an hour */
#define NTTIME_TO_HOURS (3600ULL * 10ULL * 1000ULL * 1000ULL)
/*
* convert unix time to a DNS timestamp
* (hours in the NTTIME epoch, 32 bit).
*/
uint32_t unix_to_dns_timestamp(time_t t);
/*
* Convert a DNS timestamp into NTTIME.
*/
NTSTATUS dns_timestamp_to_nt_time(NTTIME *_nt, uint32_t t);
#endif /* __DNSSERVER_COMMON_H__ */
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