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Diffstat (limited to '')
| -rw-r--r-- | source4/dns_server/dnsserver_common.h | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/source4/dns_server/dnsserver_common.h b/source4/dns_server/dnsserver_common.h new file mode 100644 index 0000000..a0c1065 --- /dev/null +++ b/source4/dns_server/dnsserver_common.h @@ -0,0 +1,139 @@ +/* + 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__ */ |