1 /* 2 Unix SMB/CIFS implementation. 3 4 DNS server utils 5 6 Copyright (C) 2014 Stefan Metzmacher 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 "rpc_server/dnsserver/dnsserver.h" 23 24 #ifndef __DNSSERVER_COMMON_H__ 25 #define __DNSSERVER_COMMON_H__ 26 27 uint8_t werr_to_dns_err(WERROR werr); 28 #define DNS_ERR(err_str) WERR_DNS_ERROR_RCODE_##err_str 29 30 struct ldb_message_element; 31 struct ldb_context; 32 struct dnsp_DnssrvRpcRecord; 33 34 struct dns_server_zone { 35 struct dns_server_zone *prev, *next; 36 const char *name; 37 struct ldb_dn *dn; 38 }; 39 40 WERROR dns_common_extract(struct ldb_context *samdb, 41 const struct ldb_message_element *el, 42 TALLOC_CTX *mem_ctx, 43 struct dnsp_DnssrvRpcRecord **records, 44 uint16_t *num_records); 45 46 WERROR dns_common_lookup(struct ldb_context *samdb, 47 TALLOC_CTX *mem_ctx, 48 struct ldb_dn *dn, 49 struct dnsp_DnssrvRpcRecord **records, 50 uint16_t *num_records, 51 bool *tombstoned); 52 WERROR dns_common_wildcard_lookup(struct ldb_context *samdb, 53 TALLOC_CTX *mem_ctx, 54 struct ldb_dn *dn, 55 struct dnsp_DnssrvRpcRecord **records, 56 uint16_t *num_records); 57 WERROR dns_name_check(TALLOC_CTX *mem_ctx, 58 size_t len, 59 const char *name); 60 WERROR dns_get_zone_properties(struct ldb_context *samdb, 61 TALLOC_CTX *mem_ctx, 62 struct ldb_dn *zone_dn, 63 struct dnsserver_zoneinfo *zoneinfo); 64 bool dns_name_is_static(struct dnsp_DnssrvRpcRecord *records, 65 uint16_t rec_count); 66 WERROR dns_common_replace(struct ldb_context *samdb, 67 TALLOC_CTX *mem_ctx, 68 struct ldb_dn *dn, 69 bool needs_add, 70 uint32_t serial, 71 struct dnsp_DnssrvRpcRecord *records, 72 uint16_t rec_count); 73 bool dns_name_match(const char *zone, const char *name, size_t *host_part_len); 74 WERROR dns_common_name2dn(struct ldb_context *samdb, 75 struct dns_server_zone *zones, 76 TALLOC_CTX *mem_ctx, 77 const char *name, 78 struct ldb_dn **_dn); 79 bool dns_name_equal(const char *name1, const char *name2); 80 81 /* 82 * For this routine, base_dn is generally NULL. The exception comes 83 * from the python bindings to support setting ACLs on DNS objects 84 * when joining Windows 85 */ 86 NTSTATUS dns_common_zones(struct ldb_context *samdb, 87 TALLOC_CTX *mem_ctx, 88 struct ldb_dn *base_dn, 89 struct dns_server_zone **zones_ret); 90 91 bool dns_zoneinfo_load_zone_property(struct dnsserver_zoneinfo *zoneinfo, 92 struct dnsp_DnsProperty *prop); 93 /* 94 * Log a DNS operation along with it's duration 95 * Enabled by setting a log level of "dns:10" 96 * 97 * const char *operation 98 * const char *result 99 * const struct timeval *start 100 * const char *zone 101 * const char *name 102 * const char *data 103 */ 104 #define DNS_COMMON_LOG_OPERATION(result, start, zone, name, data) \ 105 if (CHECK_DEBUGLVLC(DBGC_DNS, DBGLVL_DEBUG)) { \ 106 struct timeval now = timeval_current(); \ 107 uint64_t duration = usec_time_diff(&now, (start));\ 108 const char *re = (result);\ 109 const char *zn = (zone); \ 110 const char *nm = (name); \ 111 const char *dt = (data); \ 112 DBG_DEBUG( \ 113 "DNS timing: result: [%s] duration: (%" PRIi64 ") " \ 114 "zone: [%s] name: [%s] data: [%s]\n", \ 115 re == NULL ? "" : re, \ 116 duration, \ 117 zn == NULL ? "" : zn, \ 118 nm == NULL ? "" : nm, \ 119 dt == NULL ? "" : dt); \ 120 } 121 122 #endif /* __DNSSERVER_COMMON_H__ */ 123