2 Unix SMB/CIFS implementation.
6 Copyright (C) Amitay Isaacs 2011
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.
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.
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/>.
23 #include "dnsserver.h"
24 #include "rpc_server/common/common.h"
25 #include "dsdb/samdb/samdb.h"
26 #include "lib/socket/netif.h"
29 struct dnsserver_serverinfo *dnsserver_init_serverinfo(TALLOC_CTX *mem_ctx,
30 struct loadparm_context *lp_ctx,
31 struct ldb_context *samdb)
33 struct dnsserver_serverinfo *serverinfo;
34 struct dcerpc_server_info *dinfo;
35 struct ldb_dn *domain_dn, *forest_dn;
36 struct interface *ifaces;
37 int num_interfaces, i;
39 serverinfo = talloc_zero(mem_ctx, struct dnsserver_serverinfo);
40 if (serverinfo == NULL) {
44 dinfo = lpcfg_dcerpc_server_info(mem_ctx, lp_ctx);
46 serverinfo->dwVersion = (dinfo->version_build & 0x0000FFFF) << 16 |
47 (dinfo->version_minor & 0x000000FF) << 8 |
48 (dinfo->version_major & 0x000000FF);
51 serverinfo->dwVersion = 0x0ECE0205; /* build, os_minor, os_major */;
54 serverinfo->fBootMethod = DNS_BOOT_METHOD_DIRECTORY;
55 serverinfo->fAdminConfigured = 0;
56 serverinfo->fAllowUpdate = 1;
57 serverinfo->fDsAvailable = 1;
59 serverinfo->pszServerName = talloc_asprintf(mem_ctx, "%s.%s",
60 lpcfg_netbios_name(lp_ctx),
61 lpcfg_dnsdomain(lp_ctx));
63 domain_dn = ldb_get_default_basedn(samdb);
64 forest_dn = ldb_get_root_basedn(samdb);
66 serverinfo->pszDsContainer = talloc_asprintf(mem_ctx,
67 "CN=MicrosoftDNS,DC=DomainDnsZones,%s",
68 ldb_dn_get_linearized(domain_dn));
70 serverinfo->dwDsForestVersion = dsdb_forest_functional_level(samdb);
71 serverinfo->dwDsDomainVersion = dsdb_functional_level(samdb);
72 serverinfo->dwDsDsaVersion = 4; /* need to do ldb search here */
74 serverinfo->pszDomainName = samdb_dn_to_dns_domain(mem_ctx, domain_dn);
75 serverinfo->pszForestName = samdb_dn_to_dns_domain(mem_ctx, forest_dn);
77 serverinfo->pszDomainDirectoryPartition = talloc_asprintf(mem_ctx,
78 "DC=DomainDnsZones,%s",
79 ldb_dn_get_linearized(domain_dn));
80 serverinfo->pszForestDirectoryPartition = talloc_asprintf(mem_ctx,
81 "DC=ForestDnsZones,%s",
82 ldb_dn_get_linearized(forest_dn));
84 load_interface_list(mem_ctx, lp_ctx, &ifaces);
85 num_interfaces = iface_list_count(ifaces);
87 serverinfo->aipServerAddrs = talloc_zero(mem_ctx, struct IP4_ARRAY);
89 if (serverinfo->aipServerAddrs) {
90 serverinfo->aipServerAddrs->AddrCount = num_interfaces;
91 if (num_interfaces > 0) {
92 serverinfo->aipServerAddrs->AddrArray = talloc_zero_array(mem_ctx,
95 if (serverinfo->aipServerAddrs->AddrArray) {
96 for (i=0; i<num_interfaces; i++) {
97 serverinfo->aipServerAddrs->AddrArray[i] = inet_addr(iface_list_n_ip(ifaces, i));
100 serverinfo->aipServerAddrs->AddrCount = 0;
106 /* Assume listen addresses are same as server addresses */
107 serverinfo->aipListenAddrs = serverinfo->aipServerAddrs;
109 serverinfo->aipForwarders = NULL;
111 serverinfo->aipLogFilter = NULL;
112 serverinfo->pwszLogFilePath = NULL;
114 serverinfo->dwLogLevel = 0;
115 serverinfo->dwDebugLevel = 0;
116 serverinfo->dwEventLogLevel = DNS_EVENT_LOG_INFORMATION_TYPE;
117 serverinfo->dwLogFileMaxSize = 0;
119 serverinfo->dwForwardTimeout = 3; /* seconds (default) */
120 serverinfo->dwRpcProtocol = 5;
121 serverinfo->dwNameCheckFlag = DNS_ALLOW_MULTIBYTE_NAMES;
122 serverinfo->cAddressAnswerLimit = 0;
123 serverinfo->dwRecursionRetry = 3 /* seconds (default) */;
124 serverinfo->dwRecursionTimeout = 8 /* seconds (default) */;
125 serverinfo->dwMaxCacheTtl = 0x00015180; /* 1 day (default) */;
126 serverinfo->dwDsPollingInterval = 0xB4; /* 3 minutes (default) */;
127 serverinfo->dwLocalNetPriorityNetMask = 0x000000FF;;
129 serverinfo->dwScavengingInterval = 0;
130 serverinfo->dwDefaultRefreshInterval = 0xA8; /* 7 days in hours */;
131 serverinfo->dwDefaultNoRefreshInterval = 0xA8; /* 7 days in hours */;;
132 serverinfo->dwLastScavengeTime = 0;
134 serverinfo->fAutoReverseZones = 0;
135 serverinfo->fAutoCacheUpdate = 0;
137 serverinfo->fRecurseAfterForwarding = 0;
138 serverinfo->fForwardDelegations = 1;
139 serverinfo->fNoRecursion = 0;
140 serverinfo->fSecureResponses = 0;
142 serverinfo->fRoundRobin = 1;
143 serverinfo->fLocalNetPriority = 0;
145 serverinfo->fBindSecondaries = 0;
146 serverinfo->fWriteAuthorityNs = 0;
148 serverinfo->fStrictFileParsing = 0;
149 serverinfo->fLooseWildcarding = 0 ;
150 serverinfo->fDefaultAgingState = 0;
156 struct dnsserver_zoneinfo *dnsserver_init_zoneinfo(struct dnsserver_zone *zone,
157 struct dnsserver_serverinfo *serverinfo,
160 struct dnsserver_zoneinfo *zoneinfo;
163 zoneinfo = talloc_zero(zone, struct dnsserver_zoneinfo);
164 if (zoneinfo == NULL) {
168 dp_flags = DNS_DP_AUTOCREATED | DNS_DP_ENLISTED;
170 dp_flags |= DNS_DP_FOREST_DEFAULT;
172 dp_flags |= DNS_DP_DOMAIN_DEFAULT;
175 zoneinfo->Version = 0x32;
176 zoneinfo->Flags = DNS_RPC_ZONE_DSINTEGRATED | DNS_RPC_ZONE_UPDATE_SECURE;
177 zoneinfo->dwZoneType = DNS_ZONE_TYPE_PRIMARY;
178 zoneinfo->fReverse = 0; /* We only support forward zones for now */
179 zoneinfo->fAllowUpdate = DNS_ZONE_UPDATE_SECURE;
180 zoneinfo->fPaused = 0;
181 zoneinfo->fShutdown = 0;
182 zoneinfo->fAutoCreated = 0;
183 zoneinfo->fUseDatabase = 1;
184 zoneinfo->pszDataFile = NULL;
185 zoneinfo->aipMasters = NULL;
186 zoneinfo->fSecureSecondaries = DNS_ZONE_SECSECURE_NO_XFER;
187 zoneinfo->fNotifyLevel = DNS_ZONE_NOTIFY_LIST_ONLY;
188 zoneinfo->aipSecondaries = NULL;
189 zoneinfo->aipNotify = NULL;
190 zoneinfo->fUseWins = 0;
191 zoneinfo->fUseNbstat = 0;
192 zoneinfo->fAging = 0;
193 zoneinfo->dwNoRefreshInterval = serverinfo->dwDefaultNoRefreshInterval;
194 zoneinfo->dwRefreshInterval = serverinfo->dwDefaultRefreshInterval;
195 zoneinfo->dwAvailForScavengeTime = 0;
196 zoneinfo->aipScavengeServers = NULL;
197 zoneinfo->dwForwarderTimeout = 0;
198 zoneinfo->fForwarderSlave = 0;
199 zoneinfo->aipLocalMasters = NULL;
200 zoneinfo->dwDpFlags = dp_flags;
201 zoneinfo->pszDpFqdn = samdb_dn_to_dns_domain(zone, zone->partition_dn);
202 zoneinfo->pwszZoneDn = discard_const_p(char, ldb_dn_get_linearized(zone->zone_dn));
203 zoneinfo->dwLastSuccessfulSoaCheck = 0;
204 zoneinfo->dwLastSuccessfulXfr = 0;
205 zoneinfo->fQueuedForBackgroundLoad = 0;
206 zoneinfo->fBackgroundLoadInProgress = 0;
207 zoneinfo->fReadOnlyZone = 0;
208 zoneinfo->dwLastXfrAttempt = 0;
209 zoneinfo->dwLastXfrResult = 0;
214 struct dnsserver_zone *dnsserver_find_zone(struct dnsserver_zone *zones, const char *zone_name)
216 struct dnsserver_zone *z = NULL;
218 for (z = zones; z; z = z->next) {
219 if (strcmp(zone_name, z->name) == 0) {
227 struct ldb_dn *dnsserver_name_to_dn(TALLOC_CTX *mem_ctx, struct dnsserver_zone *z, const char *name)
232 dn = ldb_dn_copy(mem_ctx, z->zone_dn);
236 if (strcmp(name, z->name) == 0) {
237 ret = ldb_dn_add_child_fmt(dn, "DC=@");
239 ret = ldb_dn_add_child_fmt(dn, "DC=%s", name);
249 uint32_t dnsserver_zone_to_request_filter(const char *zone_name)
251 uint32_t request_filter;
253 if (strcmp(zone_name, "..AllZones") == 0) {
254 request_filter = DNS_ZONE_REQUEST_PRIMARY
255 | DNS_ZONE_REQUEST_SECONDARY
256 | DNS_ZONE_REQUEST_AUTO
257 | DNS_ZONE_REQUEST_FORWARD
258 | DNS_ZONE_REQUEST_REVERSE
259 | DNS_ZONE_REQUEST_FORWARDER
260 | DNS_ZONE_REQUEST_STUB
261 | DNS_ZONE_REQUEST_DS
262 | DNS_ZONE_REQUEST_NON_DS
263 | DNS_ZONE_REQUEST_DOMAIN_DP
264 | DNS_ZONE_REQUEST_FOREST_DP
265 | DNS_ZONE_REQUEST_CUSTOM_DP
266 | DNS_ZONE_REQUEST_LEGACY_DP;
267 } else if (strcmp(zone_name, "..AllZonesAndCache") == 0) {
268 request_filter = DNS_ZONE_REQUEST_PRIMARY
269 | DNS_ZONE_REQUEST_SECONDARY
270 | DNS_ZONE_REQUEST_CACHE
271 | DNS_ZONE_REQUEST_AUTO
272 | DNS_ZONE_REQUEST_FORWARD
273 | DNS_ZONE_REQUEST_REVERSE
274 | DNS_ZONE_REQUEST_FORWARDER
275 | DNS_ZONE_REQUEST_STUB
276 | DNS_ZONE_REQUEST_DS
277 | DNS_ZONE_REQUEST_NON_DS
278 | DNS_ZONE_REQUEST_DOMAIN_DP
279 | DNS_ZONE_REQUEST_FOREST_DP
280 | DNS_ZONE_REQUEST_CUSTOM_DP
281 | DNS_ZONE_REQUEST_LEGACY_DP;
282 } else if (strcmp(zone_name, "..AllPrimaryZones") == 0) {
283 request_filter = DNS_ZONE_REQUEST_PRIMARY;
284 } else if (strcmp(zone_name, "..AllSecondaryZones") == 0) {
285 request_filter = DNS_ZONE_REQUEST_SECONDARY;
286 } else if (strcmp(zone_name, "..AllForwardZones") == 0) {
287 request_filter = DNS_ZONE_REQUEST_FORWARD;
288 } else if (strcmp(zone_name, "..AllReverseZones") == 0) {
289 request_filter = DNS_ZONE_REQUEST_REVERSE;
290 } else if (strcmp(zone_name, "..AllDsZones") == 0) {
291 request_filter = DNS_ZONE_REQUEST_DS;
292 } else if (strcmp(zone_name, "..AllNonDsZones") == 0) {
293 request_filter = DNS_ZONE_REQUEST_NON_DS;
294 } else if (strcmp(zone_name, "..AllPrimaryReverseZones") == 0) {
295 request_filter = DNS_ZONE_REQUEST_PRIMARY
296 | DNS_ZONE_REQUEST_REVERSE;
297 } else if (strcmp(zone_name, "..AllPrimaryForwardZones") == 0) {
298 request_filter = DNS_ZONE_REQUEST_PRIMARY
299 | DNS_ZONE_REQUEST_FORWARD;
300 } else if (strcmp(zone_name, "..AllSecondaryReverseZones") == 0) {
301 request_filter = DNS_ZONE_REQUEST_SECONDARY
302 | DNS_ZONE_REQUEST_REVERSE;
303 } else if (strcmp(zone_name, "..AllSecondaryForwardZones") == 0) {
304 request_filter = DNS_ZONE_REQUEST_SECONDARY
305 | DNS_ZONE_REQUEST_REVERSE;
308 return request_filter;