s4-dns: Added DCERPC dns server for DNS management

dnsserver.h - typedefs and prototypes
dnsserver.c - RPC API and implementation methods
dnsdb.c     - samdb operations
dnsdata.c   - functions to manipulate dns structures
dnsutils.c  - function for serverinfo and zoneinfo structures

Signed-off-by: Andrew Tridgell <tridge@samba.org>

5 files changed, 3763 insertions, 0 deletions

diff --git a/source4/rpc_server/dnsserver/dcerpc_dnsserver.c b/source4/rpc_server/dnsserver/dcerpc_dnsserver.c
new file mode 100644
index 0000000000..66162c5e93
--- /dev/null
+++ b/source4/rpc_server/dnsserver/dcerpc_dnsserver.c
@@ -0,0 +1,2021 @@
+/*
+   Unix SMB/CIFS implementation.
+
+   DNS Server
+
+   Copyright (C) Amitay Isaacs 2011
+
+   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 "includes.h"
+#include "talloc.h"
+#include "rpc_server/dcerpc_server.h"
+#include "dsdb/samdb/samdb.h"
+#include "lib/util/dlinklist.h"
+#include "librpc/gen_ndr/ndr_dnsserver.h"
+#include "dnsserver.h"
+#include "lib/ldb/include/ldb_private.h"
+
+struct dnsserver_state {
+	struct loadparm_context *lp_ctx;
+	struct ldb_context *samdb;
+	struct dnsserver_zone *zones;
+	int zones_count;
+	struct dnsserver_serverinfo *serverinfo;
+};
+
+
+/* Utility functions */
+
+static struct dnsserver_state *dnsserver_connect(struct dcesrv_call_state *dce_call)
+{
+	struct dnsserver_state *dsstate;
+	struct dnsserver_zone *zones, *z;
+
+	dsstate = talloc_get_type(dce_call->context->private_data, struct dnsserver_state);
+	if (dsstate != NULL) {
+		return dsstate;
+	}
+
+	dsstate = talloc_zero(dce_call->context, struct dnsserver_state);
+	if (dsstate == NULL) {
+		return NULL;
+	}
+
+	dsstate->lp_ctx = dce_call->conn->dce_ctx->lp_ctx;
+
+	/* FIXME: create correct auth_session_info for connecting user */
+	dsstate->samdb = samdb_connect(dsstate, dce_call->event_ctx, dsstate->lp_ctx,
+				dce_call->conn->auth_state.session_info, 0);
+	if (dsstate->samdb == NULL) {
+		DEBUG(0,("dnsserver: Failed to open samdb"));
+		goto failed;
+	}
+
+	/* Initialize server info */
+	dsstate->serverinfo = dnsserver_init_serverinfo(dsstate,
+							dsstate->lp_ctx,
+							dsstate->samdb);
+	if (dsstate->serverinfo == NULL) {
+		goto failed;
+	}
+
+	/* Search for DNS zones */
+	zones = dnsserver_db_enumerate_zones(dsstate, dsstate->samdb, true);
+	if (zones == NULL) {
+		goto failed;
+	}
+	for (z = zones; z; z = z->next) {
+		z->zoneinfo = dnsserver_init_zoneinfo(z, dsstate->serverinfo, true);
+		if (z->zoneinfo == NULL) {
+			goto failed;
+		}
+		DLIST_ADD_END(dsstate->zones, z, NULL);
+		dsstate->zones_count++;
+	}
+
+	zones = dnsserver_db_enumerate_zones(dsstate, dsstate->samdb, false);
+	if (zones == NULL) {
+		goto failed;
+	}
+	for (z = zones; z; z = z->next) {
+		z->zoneinfo = dnsserver_init_zoneinfo(z, dsstate->serverinfo, false);
+		if (z->zoneinfo == NULL) {
+			goto failed;
+		}
+		DLIST_ADD_END(dsstate->zones, z, NULL);
+		dsstate->zones_count++;
+	}
+
+	dce_call->context->private_data = dsstate;
+
+	return dsstate;
+
+failed:
+	talloc_free(dsstate);
+	dsstate = NULL;
+	return NULL;
+}
+
+
+/* dnsserver query functions */
+
+/* [MS-DNSP].pdf Section 3.1.1.1 DNS Server Configuration Information */
+static WERROR dnsserver_query_server(struct dnsserver_state *dsstate,
+					TALLOC_CTX *mem_ctx,
+					const char *operation,
+					const unsigned int client_version,
+					enum DNS_RPC_TYPEID *typeid,
+					union DNSSRV_RPC_UNION *r)
+{
+	uint8_t is_integer, is_addresses, is_string, is_wstring, is_stringlist;
+	uint32_t answer_integer;
+	struct IP4_ARRAY *answer_iparray;
+	struct DNS_ADDR_ARRAY *answer_addrarray;
+	char *answer_string;
+	struct DNS_RPC_UTF8_STRING_LIST *answer_stringlist;
+	struct dnsserver_serverinfo *serverinfo;
+
+	serverinfo = dsstate->serverinfo;
+
+	if (strcasecmp(operation, "ServerInfo") == 0) {
+		if (client_version == DNS_CLIENT_VERSION_W2K) {
+			*typeid = DNSSRV_TYPEID_SERVER_INFO_W2K;
+			r->ServerInfoW2K = talloc_zero(mem_ctx, struct DNS_RPC_SERVER_INFO_W2K);
+
+			r->ServerInfoW2K->dwVersion = serverinfo->dwVersion;
+			r->ServerInfoW2K->fBootMethod = serverinfo->fBootMethod;
+			r->ServerInfoW2K->fAdminConfigured = serverinfo->fAdminConfigured;
+			r->ServerInfoW2K->fAllowUpdate = serverinfo->fAllowUpdate;
+			r->ServerInfoW2K->fDsAvailable = serverinfo->fDsAvailable;
+			r->ServerInfoW2K->pszServerName = talloc_strdup(mem_ctx, serverinfo->pszServerName);
+			r->ServerInfoW2K->pszDsContainer = talloc_strdup(mem_ctx, serverinfo->pszDsContainer);
+			r->ServerInfoW2K->aipServerAddrs = ip4_array_copy(mem_ctx, serverinfo->aipServerAddrs);
+			r->ServerInfoW2K->aipListenAddrs = ip4_array_copy(mem_ctx, serverinfo->aipListenAddrs);
+			r->ServerInfoW2K->aipForwarders = ip4_array_copy(mem_ctx, serverinfo->aipForwarders);
+			r->ServerInfoW2K->dwLogLevel = serverinfo->dwLogLevel;
+			r->ServerInfoW2K->dwDebugLevel = serverinfo->dwDebugLevel;
+			r->ServerInfoW2K->dwForwardTimeout = serverinfo->dwForwardTimeout;
+			r->ServerInfoW2K->dwRpcProtocol = serverinfo->dwRpcProtocol;
+			r->ServerInfoW2K->dwNameCheckFlag = serverinfo->dwNameCheckFlag;
+			r->ServerInfoW2K->cAddressAnswerLimit = serverinfo->cAddressAnswerLimit;
+			r->ServerInfoW2K->dwRecursionRetry = serverinfo->dwRecursionRetry;
+			r->ServerInfoW2K->dwRecursionTimeout = serverinfo->dwRecursionTimeout;
+			r->ServerInfoW2K->dwMaxCacheTtl = serverinfo->dwMaxCacheTtl;
+			r->ServerInfoW2K->dwDsPollingInterval = serverinfo->dwDsPollingInterval;
+			r->ServerInfoW2K->dwScavengingInterval = serverinfo->dwScavengingInterval;
+			r->ServerInfoW2K->dwDefaultRefreshInterval = serverinfo->dwDefaultRefreshInterval;
+			r->ServerInfoW2K->dwDefaultNoRefreshInterval = serverinfo->dwDefaultNoRefreshInterval;
+			r->ServerInfoW2K->fAutoReverseZones = serverinfo->fAutoReverseZones;
+			r->ServerInfoW2K->fAutoCacheUpdate = serverinfo->fAutoCacheUpdate;
+			r->ServerInfoW2K->fRecurseAfterForwarding = serverinfo->fRecurseAfterForwarding;
+			r->ServerInfoW2K->fForwardDelegations = serverinfo->fForwardDelegations;
+			r->ServerInfoW2K->fNoRecursion = serverinfo->fNoRecursion;
+			r->ServerInfoW2K->fSecureResponses = serverinfo->fSecureResponses;
+			r->ServerInfoW2K->fRoundRobin = serverinfo->fRoundRobin;
+			r->ServerInfoW2K->fLocalNetPriority = serverinfo->fLocalNetPriority;
+			r->ServerInfoW2K->fBindSecondaries = serverinfo->fBindSecondaries;
+			r->ServerInfoW2K->fWriteAuthorityNs = serverinfo->fWriteAuthorityNs;
+			r->ServerInfoW2K->fStrictFileParsing = serverinfo->fStrictFileParsing;
+			r->ServerInfoW2K->fLooseWildcarding = serverinfo->fLooseWildcarding;
+			r->ServerInfoW2K->fDefaultAgingState = serverinfo->fDefaultAgingState;
+
+		} else if (client_version == DNS_CLIENT_VERSION_DOTNET) {
+			*typeid = DNSSRV_TYPEID_SERVER_INFO_DOTNET;
+			r->ServerInfoDotNet = talloc_zero(mem_ctx, struct DNS_RPC_SERVER_INFO_DOTNET);
+
+			r->ServerInfoDotNet->dwRpcStructureVersion = 0x01;
+			r->ServerInfoDotNet->dwVersion = serverinfo->dwVersion;
+			r->ServerInfoDotNet->fBootMethod = serverinfo->fBootMethod;
+			r->ServerInfoDotNet->fAdminConfigured = serverinfo->fAdminConfigured;
+			r->ServerInfoDotNet->fAllowUpdate = serverinfo->fAllowUpdate;
+			r->ServerInfoDotNet->fDsAvailable = serverinfo->fDsAvailable;
+			r->ServerInfoDotNet->pszServerName = talloc_strdup(mem_ctx, serverinfo->pszServerName);
+			r->ServerInfoDotNet->pszDsContainer = talloc_strdup(mem_ctx, serverinfo->pszDsContainer);
+			r->ServerInfoDotNet->aipServerAddrs = ip4_array_copy(mem_ctx, serverinfo->aipServerAddrs);
+			r->ServerInfoDotNet->aipListenAddrs = ip4_array_copy(mem_ctx, serverinfo->aipListenAddrs);
+			r->ServerInfoDotNet->aipForwarders = ip4_array_copy(mem_ctx, serverinfo->aipForwarders);
+			r->ServerInfoDotNet->aipLogFilter = ip4_array_copy(mem_ctx, serverinfo->aipLogFilter);
+			r->ServerInfoDotNet->pwszLogFilePath = talloc_strdup(mem_ctx, serverinfo->pwszLogFilePath);
+			r->ServerInfoDotNet->pszDomainName = talloc_strdup(mem_ctx, serverinfo->pszDomainName);
+			r->ServerInfoDotNet->pszForestName = talloc_strdup(mem_ctx, serverinfo->pszForestName);
+			r->ServerInfoDotNet->pszDomainDirectoryPartition = talloc_strdup(mem_ctx, serverinfo->pszDomainDirectoryPartition);
+			r->ServerInfoDotNet->pszForestDirectoryPartition = talloc_strdup(mem_ctx, serverinfo->pszForestDirectoryPartition);
+			r->ServerInfoDotNet->dwLogLevel = serverinfo->dwLogLevel;
+			r->ServerInfoDotNet->dwDebugLevel = serverinfo->dwDebugLevel;
+			r->ServerInfoDotNet->dwForwardTimeout = serverinfo->dwForwardTimeout;
+			r->ServerInfoDotNet->dwRpcProtocol = serverinfo->dwRpcProtocol;
+			r->ServerInfoDotNet->dwNameCheckFlag = serverinfo->dwNameCheckFlag;
+			r->ServerInfoDotNet->cAddressAnswerLimit = serverinfo->cAddressAnswerLimit;
+			r->ServerInfoDotNet->dwRecursionRetry = serverinfo->dwRecursionRetry;
+			r->ServerInfoDotNet->dwRecursionTimeout = serverinfo->dwRecursionTimeout;
+			r->ServerInfoDotNet->dwMaxCacheTtl = serverinfo->dwMaxCacheTtl;
+			r->ServerInfoDotNet->dwDsPollingInterval = serverinfo->dwDsPollingInterval;
+			r->ServerInfoDotNet->dwLocalNetPriorityNetMask = serverinfo->dwLocalNetPriorityNetMask;
+			r->ServerInfoDotNet->dwScavengingInterval = serverinfo->dwScavengingInterval;
+			r->ServerInfoDotNet->dwDefaultRefreshInterval = serverinfo->dwDefaultRefreshInterval;
+			r->ServerInfoDotNet->dwDefaultNoRefreshInterval = serverinfo->dwDefaultNoRefreshInterval;
+			r->ServerInfoDotNet->dwLastScavengeTime = serverinfo->dwLastScavengeTime;
+			r->ServerInfoDotNet->dwEventLogLevel = serverinfo->dwEventLogLevel;
+			r->ServerInfoDotNet->dwLogFileMaxSize = serverinfo->dwLogFileMaxSize;
+			r->ServerInfoDotNet->dwDsForestVersion = serverinfo->dwDsForestVersion;
+			r->ServerInfoDotNet->dwDsDomainVersion = serverinfo->dwDsDomainVersion;
+			r->ServerInfoDotNet->dwDsDsaVersion = serverinfo->dwDsDsaVersion;
+			r->ServerInfoDotNet->fAutoReverseZones = serverinfo->fAutoReverseZones;
+			r->ServerInfoDotNet->fAutoCacheUpdate = serverinfo->fAutoCacheUpdate;
+			r->ServerInfoDotNet->fRecurseAfterForwarding = serverinfo->fRecurseAfterForwarding;
+			r->ServerInfoDotNet->fForwardDelegations = serverinfo->fForwardDelegations;
+			r->ServerInfoDotNet->fNoRecursion = serverinfo->fNoRecursion;
+			r->ServerInfoDotNet->fSecureResponses = serverinfo->fSecureResponses;
+			r->ServerInfoDotNet->fRoundRobin = serverinfo->fRoundRobin;
+			r->ServerInfoDotNet->fLocalNetPriority = serverinfo->fLocalNetPriority;
+			r->ServerInfoDotNet->fBindSecondaries = serverinfo->fBindSecondaries;
+			r->ServerInfoDotNet->fWriteAuthorityNs = serverinfo->fWriteAuthorityNs;
+			r->ServerInfoDotNet->fStrictFileParsing = serverinfo->fStrictFileParsing;
+			r->ServerInfoDotNet->fLooseWildcarding = serverinfo->fLooseWildcarding;
+			r->ServerInfoDotNet->fDefaultAgingState = serverinfo->fDefaultAgingState;
+
+		} else if (client_version == DNS_CLIENT_VERSION_LONGHORN) {
+			*typeid = DNSSRV_TYPEID_SERVER_INFO;
+			r->ServerInfo = talloc_zero(mem_ctx, struct DNS_RPC_SERVER_INFO_LONGHORN);
+
+			r->ServerInfo->dwRpcStructureVersion = 0x02;
+			r->ServerInfo->dwVersion = serverinfo->dwVersion;
+			r->ServerInfo->fBootMethod = serverinfo->fBootMethod;
+			r->ServerInfo->fAdminConfigured = serverinfo->fAdminConfigured;
+			r->ServerInfo->fAllowUpdate = serverinfo->fAllowUpdate;
+			r->ServerInfo->fDsAvailable = serverinfo->fDsAvailable;
+			r->ServerInfo->pszServerName = talloc_strdup(mem_ctx, serverinfo->pszServerName);
+			r->ServerInfo->pszDsContainer = talloc_strdup(mem_ctx, serverinfo->pszDsContainer);
+			r->ServerInfo->aipServerAddrs = ip4_array_to_dns_addr_array(mem_ctx, serverinfo->aipServerAddrs);
+			r->ServerInfo->aipListenAddrs = ip4_array_to_dns_addr_array(mem_ctx, serverinfo->aipListenAddrs);
+			r->ServerInfo->aipForwarders = ip4_array_to_dns_addr_array(mem_ctx, serverinfo->aipForwarders);
+			r->ServerInfo->aipLogFilter = ip4_array_to_dns_addr_array(mem_ctx, serverinfo->aipLogFilter);
+			r->ServerInfo->pwszLogFilePath = talloc_strdup(mem_ctx, serverinfo->pwszLogFilePath);
+			r->ServerInfo->pszDomainName = talloc_strdup(mem_ctx, serverinfo->pszDomainName);
+			r->ServerInfo->pszForestName = talloc_strdup(mem_ctx, serverinfo->pszForestName);
+			r->ServerInfo->pszDomainDirectoryPartition = talloc_strdup(mem_ctx, serverinfo->pszDomainDirectoryPartition);
+			r->ServerInfo->pszForestDirectoryPartition = talloc_strdup(mem_ctx, serverinfo->pszForestDirectoryPartition);
+			r->ServerInfo->dwLogLevel = serverinfo->dwLogLevel;
+			r->ServerInfo->dwDebugLevel = serverinfo->dwDebugLevel;
+			r->ServerInfo->dwForwardTimeout = serverinfo->dwForwardTimeout;
+			r->ServerInfo->dwRpcProtocol = serverinfo->dwRpcProtocol;
+			r->ServerInfo->dwNameCheckFlag = serverinfo->dwNameCheckFlag;
+			r->ServerInfo->cAddressAnswerLimit = serverinfo->cAddressAnswerLimit;
+			r->ServerInfo->dwRecursionRetry = serverinfo->dwRecursionRetry;
+			r->ServerInfo->dwRecursionTimeout = serverinfo->dwRecursionTimeout;
+			r->ServerInfo->dwMaxCacheTtl = serverinfo->dwMaxCacheTtl;
+			r->ServerInfo->dwDsPollingInterval = serverinfo->dwDsPollingInterval;
+			r->ServerInfo->dwLocalNetPriorityNetMask = serverinfo->dwLocalNetPriorityNetMask;
+			r->ServerInfo->dwScavengingInterval = serverinfo->dwScavengingInterval;
+			r->ServerInfo->dwDefaultRefreshInterval = serverinfo->dwDefaultRefreshInterval;
+			r->ServerInfo->dwDefaultNoRefreshInterval = serverinfo->dwDefaultNoRefreshInterval;
+			r->ServerInfo->dwLastScavengeTime = serverinfo->dwLastScavengeTime;
+			r->ServerInfo->dwEventLogLevel = serverinfo->dwEventLogLevel;
+			r->ServerInfo->dwLogFileMaxSize = serverinfo->dwLogFileMaxSize;
+			r->ServerInfo->dwDsForestVersion = serverinfo->dwDsForestVersion;
+			r->ServerInfo->dwDsDomainVersion = serverinfo->dwDsDomainVersion;
+			r->ServerInfo->dwDsDsaVersion = serverinfo->dwDsDsaVersion;
+			r->ServerInfo->fReadOnlyDC = serverinfo->fReadOnlyDC;
+			r->ServerInfo->fAutoReverseZones = serverinfo->fAutoReverseZones;
+			r->ServerInfo->fAutoCacheUpdate = serverinfo->fAutoCacheUpdate;
+			r->ServerInfo->fRecurseAfterForwarding = serverinfo->fRecurseAfterForwarding;
+			r->ServerInfo->fForwardDelegations = serverinfo->fForwardDelegations;
+			r->ServerInfo->fNoRecursion = serverinfo->fNoRecursion;
+			r->ServerInfo->fSecureResponses = serverinfo->fSecureResponses;
+			r->ServerInfo->fRoundRobin = serverinfo->fRoundRobin;
+			r->ServerInfo->fLocalNetPriority = serverinfo->fLocalNetPriority;
+			r->ServerInfo->fBindSecondaries = serverinfo->fBindSecondaries;
+			r->ServerInfo->fWriteAuthorityNs = serverinfo->fWriteAuthorityNs;
+			r->ServerInfo->fStrictFileParsing = serverinfo->fStrictFileParsing;
+			r->ServerInfo->fLooseWildcarding = serverinfo->fLooseWildcarding;
+			r->ServerInfo->fDefaultAgingState = serverinfo->fDefaultAgingState;
+		}
+		return WERR_OK;
+	}
+
+	is_integer = 0;
+
+	if (strcasecmp(operation, "AddressAnswerLimit") == 0) {
+		answer_integer = serverinfo->cAddressAnswerLimit;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "AdminConfigured") == 0) {
+		answer_integer = serverinfo->fAdminConfigured;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "AllowCNAMEAtNS") == 0) {
+		answer_integer = 0;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "AllowUpdate") == 0) {
+		answer_integer = serverinfo->fAllowUpdate;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "AutoCacheUpdate") == 0) {
+		answer_integer = serverinfo->fAutoCacheUpdate;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "AutoConfigFileZones") == 0) {
+		answer_integer = 1;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "BindSecondaries") == 0) {
+		answer_integer = serverinfo->fBindSecondaries;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "BootMethod") == 0) {
+		answer_integer = serverinfo->fBootMethod;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "DebugLevel") == 0) {
+		answer_integer = serverinfo->dwDebugLevel;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "DefaultAgingState") == 0) {
+		answer_integer = serverinfo->fDefaultAgingState;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "DefaultNoRefreshInterval") == 0) {
+		answer_integer = serverinfo->dwDefaultNoRefreshInterval;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "DefaultRefreshInterval") == 0) {
+		answer_integer = serverinfo->dwDefaultRefreshInterval;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "DeleteOutsideGlue") == 0) {
+		answer_integer = 0;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "DisjointNets") == 0) {
+		answer_integer = 0;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "DsLazyUpdateInterval") == 0) {
+		answer_integer = 3; /* seconds */
+		is_integer = 1;
+	} else if (strcasecmp(operation, "DsPollingInterval") == 0) {
+		answer_integer = serverinfo->dwDsPollingInterval;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "DsTombstoneInterval") == 0) {
+		answer_integer = 0x00127500; /* 14 days */
+		is_integer = 1;
+	} else if (strcasecmp(operation, "EnableRegistryBoot") == 0) {
+		answer_integer = 0;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "EventLogLevel") == 0) {
+		answer_integer = serverinfo->dwEventLogLevel;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "ForceSoaSerial") == 0) {
+		answer_integer = 0;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "ForceSaoRetry") == 0) {
+		answer_integer = 0;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "ForceSoaRefresh") == 0) {
+		answer_integer = 0;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "ForceSoaMinimumTtl") == 0) {
+		answer_integer = 0;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "ForwardDelegations") == 0) {
+		answer_integer = 1;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "ForwardingTimeout") == 0) {
+		answer_integer = serverinfo->dwForwardTimeout;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "IsSlave") == 0) {
+		answer_integer = 0;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "LocalNetPriority") == 0) {
+		answer_integer = serverinfo->fLocalNetPriority;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "LogFileMaxSize") == 0) {
+		answer_integer = serverinfo->dwLogFileMaxSize;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "LogLevel") == 0) {
+		answer_integer = serverinfo->dwLogLevel;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "LooseWildcarding") == 0) {
+		answer_integer = serverinfo->fLooseWildcarding;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "MaxCacheTtl") == 0) {
+		answer_integer = serverinfo->dwMaxCacheTtl;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "MaxNegativeCacheTtl") == 0) {
+		answer_integer = 0x00000384; /* 15 minutes */
+		is_integer = 1;
+	} else if (strcasecmp(operation, "NameCheckFlag") == 0) {
+		answer_integer = serverinfo->dwNameCheckFlag;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "NoRecursion") == 0) {
+		answer_integer = serverinfo->fNoRecursion;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "NoUpdateDelegations") == 0) {
+		answer_integer = 1;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "PublishAutonet") == 0) {
+		answer_integer = 0;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "QuietRecvFaultInterval") == 0) {
+		answer_integer = 0;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "QuietRecvLogInterval") == 0) {
+		answer_integer = 0;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "RecursionRetry") == 0) {
+		answer_integer = serverinfo->dwRecursionRetry;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "RecursionTimeout") == 0) {
+		answer_integer = serverinfo->dwRecursionTimeout;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "ReloadException") == 0) {
+		answer_integer = 0;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "RoundRobin") == 0) {
+		answer_integer = serverinfo->fRoundRobin;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "RpcProtocol") == 0) {
+		answer_integer = serverinfo->dwRpcProtocol;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "SecureResponses") == 0) {
+		answer_integer = serverinfo->fSecureResponses;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "SendPort") == 0) {
+		answer_integer = 0;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "ScavengingInterval") == 0) {
+		answer_integer = serverinfo->dwScavengingInterval;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "SocketPoolSize") == 0) {
+		answer_integer = 0x000009C4;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "StrictFileParsing") == 0) {
+		answer_integer = serverinfo->fStrictFileParsing;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "SyncDnsZoneSerial") == 0) {
+		answer_integer = 2; /* ZONE_SERIAL_SYNC_XFER */
+		is_integer = 1;
+	} else if (strcasecmp(operation, "UpdateOptions") == 0) {
+		answer_integer = 0x0000030F; /* DNS_DEFAULT_UPDATE_OPTIONS */
+		is_integer = 1;
+	} else if (strcasecmp(operation, "UseSystemEvengLog") == 0) {
+		answer_integer = 0;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "Version") == 0) {
+		answer_integer = serverinfo->dwVersion;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "XfrConnectTimeout") == 0) {
+		answer_integer = 0x0000001E;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "WriteAuthorityNs") == 0) {
+		answer_integer = serverinfo->fWriteAuthorityNs;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "AdditionalRecursionTimeout") == 0) {
+		answer_integer = 0x00000004;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "AppendMsZoneTransferFlag") == 0) {
+		answer_integer = 0;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "AutoCreateDelegations") == 0) {
+		answer_integer = 0; /* DNS_ACD_DONT_CREATE */
+		is_integer = 1;
+	} else if (strcasecmp(operation, "BreakOnAscFailure") == 0) {
+		answer_integer = 0;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "CacheEmptyAuthResponses") == 0) {
+		answer_integer = 0;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "DirectoryPartitionAutoEnlistInterval") == 0) {
+		answer_integer = 0x00015180; /* 1 day */
+		is_integer = 1;
+	} else if (strcasecmp(operation, "DisableAutoReverseZones") == 0) {
+		answer_integer = ~serverinfo->fAutoReverseZones;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "EDnsCacheTimeout") == 0) {
+		answer_integer = 0x00000384; /* 15 minutes */
+		is_integer = 1;
+	} else if (strcasecmp(operation, "EnableDirectoryPartitions") == 0) {
+		answer_integer = serverinfo->fDsAvailable;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "EnableDnsSec") == 0) {
+		answer_integer = 0;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "EnableEDnsProbes") == 0) {
+		answer_integer = 0;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "EnableEDnsReception") == 0) {
+		answer_integer = 0;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "EnableIPv6") == 0) {
+		answer_integer = 0;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "EnableIQueryResponseGeneration") == 0) {
+		answer_integer = 0;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "EnableSendErrorSuppression") == 0) {
+		answer_integer = 0;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "EnableUpdateForwarding") == 0) {
+		answer_integer = 0;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "EnableWinsR") == 0) {
+		answer_integer = 0;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "ForceDsaBehaviorVersion") == 0) {
+		answer_integer = serverinfo->dwDsDsaVersion;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "ForceDomainBehaviorVersion") == 0) {
+		answer_integer = serverinfo->dwDsDsaVersion;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "ForceForestBehaviorVersion") == 0) {
+		answer_integer = serverinfo->dwDsDsaVersion;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "HeapDebug") == 0) {
+		answer_integer = 0;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "LameDelegationTtl") == 0) {
+		answer_integer = 0; /* seconds */
+		is_integer = 1;
+	} else if (strcasecmp(operation, "LocalNetPriorityNetMask") == 0) {
+		answer_integer = serverinfo->dwLocalNetPriorityNetMask;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "MaxCacheSize") == 0) {
+		answer_integer = 0;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "MaxResourceRecordsInNonSecureUpdate") == 0) {
+		answer_integer = 0x0000001E;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "OperationsLogLevel") == 0) {
+		answer_integer = 0;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "OperationsLogLevel2") == 0) {
+		answer_integer = 0;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "MaximumUdpPacketSize") == 0) {
+		answer_integer = 0x00004000; /* maximum possible */
+		is_integer = 1;
+	} else if (strcasecmp(operation, "RecurseToInternetRootMask") == 0) {
+		answer_integer = 0;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "SelfTest") == 0) {
+		answer_integer = 0;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "SilentlyIgnoreCNameUpdateConflicts") == 0) {
+		answer_integer = 1;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "TcpReceivePacketSize") == 0) {
+		answer_integer = 0x00010000;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "XfrThrottleMultiplier") == 0) {
+		answer_integer = 0x0000000A;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "AllowMsdcsLookupRetry") == 0) {
+		answer_integer = 1;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "AllowReadOnlyZoneTransfer") == 0) {
+		answer_integer = 0;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "DsBackGroundLoadPaused") == 0) {
+		answer_integer = 0;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "DsMinimumBackgroundLoadThreads") == 0) {
+		answer_integer = 0;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "DsRemoteReplicationDelay") == 0) {
+		answer_integer = 0x0000001E; /* 30 seconds */
+		is_integer = 1;
+	} else if (strcasecmp(operation, "EnableDuplicateQuerySuppresion") == 0) {
+		answer_integer = 0;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "EnableGlobalNamesSupport") == 0) {
+		answer_integer = 0;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "EnableVersionQuery") == 0) {
+		answer_integer = 1; /* DNS_VERSION_QUERY_FULL */
+		is_integer = 1;
+	} else if (strcasecmp(operation, "EnableRsoForRodc") == 0) {
+		answer_integer = 0;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "ForceRODCMode") == 0) {
+		answer_integer = 0;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "GlobalNamesAlwaysQuerySrv") == 0) {
+		answer_integer = 1;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "GlobalNamesBlockUpdates") == 0) {
+		answer_integer = 0;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "GlobalNamesEnableEDnsProbes") == 0) {
+		answer_integer = 0;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "GlobalNamesPreferAAAA") == 0) {
+		answer_integer = 0;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "GlobalNamesQueryOrder") == 0) {
+		answer_integer = 1;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "GlobalNamesSendTimeout") == 0) {
+		answer_integer = 3; /* seconds */
+		is_integer = 1;
+	} else if (strcasecmp(operation, "GlobalNamesServerQueryInterval") == 0) {
+		answer_integer = 0x00005460; /* 6 hours */
+		is_integer = 1;
+	} else if (strcasecmp(operation, "RemoteIPv4RankBoost") == 0) {
+		answer_integer = 0;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "RemoteIPv6RankBoost") == 0) {
+		answer_integer = 0;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "MaximumRodcRsoAttemptsPerCycle") == 0) {
+		answer_integer = 0x00000064;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "MaximumRodcRsoQueueLength") == 0) {
+		answer_integer = 0x0000012C;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "EnableGlobalQueryBlockList") == 0) {
+		answer_integer = 0;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "OpenACLOnProxyUpdates") == 0) {
+		answer_integer = 0;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "CacheLockingPercent") == 0) {
+		answer_integer = 0x00000064;
+		is_integer = 1;
+	}
+
+	if (is_integer == 1) {
+		*typeid = DNSSRV_TYPEID_DWORD;
+		r->Dword = answer_integer;
+		return WERR_OK;
+	}
+
+	is_addresses = 0;
+
+	if (strcasecmp(operation, "Forwarders") == 0) {
+		if (client_version == DNS_CLIENT_VERSION_LONGHORN) {
+			answer_addrarray = ip4_array_to_dns_addr_array(mem_ctx, serverinfo->aipForwarders);
+		} else {
+			answer_iparray = ip4_array_copy(mem_ctx, serverinfo->aipForwarders);
+		}
+		is_addresses = 1;
+	} else if (strcasecmp(operation, "ListenAddresses") == 0) {
+		if (client_version == DNS_CLIENT_VERSION_LONGHORN) {
+			answer_addrarray = ip4_array_to_dns_addr_array(mem_ctx, serverinfo->aipListenAddrs);
+		} else {
+			answer_iparray = ip4_array_copy(mem_ctx, serverinfo->aipListenAddrs);
+		}
+		is_addresses = 1;
+	} else if (strcasecmp(operation, "BreakOnReceiveFrom") == 0) {
+		if (client_version == DNS_CLIENT_VERSION_LONGHORN) {
+			answer_addrarray = NULL;
+		} else {
+			answer_iparray = NULL;
+		}
+		is_addresses = 1;
+	} else if (strcasecmp(operation, "BreakOnUpdateFrom") == 0) {
+		if (client_version == DNS_CLIENT_VERSION_LONGHORN) {
+			answer_addrarray = NULL;
+		} else {
+			answer_iparray = NULL;
+		}
+		is_addresses = 1;
+	} else if (strcasecmp(operation, "LogIPFilterList") == 0) {
+		if (client_version == DNS_CLIENT_VERSION_LONGHORN) {
+			answer_addrarray = ip4_array_to_dns_addr_array(mem_ctx, serverinfo->aipLogFilter);
+		} else {
+			answer_iparray = ip4_array_copy(mem_ctx, serverinfo->aipLogFilter);
+		}
+		is_addresses = 1;
+	}
+
+	if (is_addresses == 1) {
+		if (client_version == DNS_CLIENT_VERSION_LONGHORN) {
+			*typeid = DNSSRV_TYPEID_ADDRARRAY;
+			r->AddrArray = answer_addrarray;
+		} else {
+			*typeid = DNSSRV_TYPEID_IPARRAY;
+			r->IpArray = answer_iparray;
+		}
+		return WERR_OK;
+	}
+
+	is_string = is_wstring = 0;
+
+	if (strcasecmp(operation, "DomainDirectoryPartitionBaseName") == 0) {
+		answer_string = talloc_strdup(mem_ctx, "DomainDnsZones");
+		if (! answer_string) {
+			return WERR_OUTOFMEMORY;
+		}
+		is_string = 1;
+	} else if (strcasecmp(operation, "ForestDirectoryPartitionBaseName") == 0) {
+		answer_string = talloc_strdup(mem_ctx, "ForestDnsZones");
+		if (! answer_string) {
+			return WERR_OUTOFMEMORY;
+		}
+		is_string = 1;
+	} else if (strcasecmp(operation, "LogFilePath") == 0) {
+		answer_string = talloc_strdup(mem_ctx, serverinfo->pwszLogFilePath);
+		is_wstring = 1;
+	} else if (strcasecmp(operation, "ServerLevelPluginDll") == 0) {
+		answer_string = NULL;
+		is_wstring = 1;
+	} else if (strcasecmp(operation, "DsBackgroundPauseName") == 0) {
+		answer_string = NULL;
+		is_string = 1;
+	} else if (strcasecmp(operation, "DsNotRoundRobinTypes") == 0) {
+		answer_string = NULL;
+		is_string = 1;
+	}
+
+	if (is_string == 1) {
+		*typeid = DNSSRV_TYPEID_LPSTR;
+		r->String = answer_string;
+		return WERR_OK;
+	} else if (is_wstring == 1) {
+		*typeid = DNSSRV_TYPEID_LPWSTR;
+		r->WideString = answer_string;
+		return WERR_OK;
+	}
+
+	is_stringlist = 0;
+
+	if (strcasecmp(operation, "GlobalQueryBlockList") == 0) {
+		answer_stringlist = NULL;
+		is_stringlist = 1;
+	} else if (strcasecmp(operation, "SocketPoolExcludedPortRanges") == 0) {
+		answer_stringlist = NULL;
+		is_stringlist = 1;
+	}
+
+	if (is_stringlist == 1) {
+		*typeid = DNSSRV_TYPEID_UTF8_STRING_LIST;
+		r->Utf8StringList = answer_stringlist;
+		return WERR_OK;
+	}
+
+	DEBUG(0,("dnsserver: Invalid server operation %s", operation));
+	return WERR_DNS_ERROR_INVALID_PROPERTY;
+}
+
+/* [MS-DNSP].pdf Section 3.1.1.2 Zone Configuration Information */
+static WERROR dnsserver_query_zone(struct dnsserver_state *dsstate,
+					TALLOC_CTX *mem_ctx,
+					struct dnsserver_zone *z,
+					const char *operation,
+					const unsigned int client_version,
+					enum DNS_RPC_TYPEID *typeid,
+					union DNSSRV_RPC_UNION *r)
+{
+	uint8_t is_integer, is_addresses, is_string;
+	uint32_t answer_integer;
+	struct IP4_ARRAY *answer_iparray;
+	struct DNS_ADDR_ARRAY *answer_addrarray;
+	char *answer_string;
+	struct dnsserver_zoneinfo *zoneinfo;
+
+	zoneinfo = z->zoneinfo;
+
+	if (strcasecmp(operation, "Zone") == 0) {
+		if (client_version == DNS_CLIENT_VERSION_W2K) {
+			*typeid = DNSSRV_TYPEID_ZONE_W2K;
+			r->ZoneW2K = talloc_zero(mem_ctx, struct DNS_RPC_ZONE_W2K);
+
+			r->ZoneW2K->pszZoneName = talloc_strdup(mem_ctx, z->name);
+			r->ZoneW2K->Flags = zoneinfo->Flags;
+			r->ZoneW2K->ZoneType = zoneinfo->dwZoneType;
+			r->ZoneW2K->Version = zoneinfo->Version;
+		} else {
+			*typeid = DNSSRV_TYPEID_ZONE;
+			r->Zone = talloc_zero(mem_ctx, struct DNS_RPC_ZONE_DOTNET);
+
+			r->Zone->dwRpcStructureVersion = 0x01;
+			r->Zone->pszZoneName = talloc_strdup(mem_ctx, z->name);
+			r->Zone->Flags = zoneinfo->Flags;
+			r->Zone->ZoneType = zoneinfo->dwZoneType;
+			r->Zone->Version = zoneinfo->Version;
+			r->Zone->dwDpFlags = zoneinfo->dwDpFlags;
+			r->Zone->pszDpFqdn = talloc_strdup(mem_ctx, zoneinfo->pszDpFqdn);
+		}
+		return WERR_OK;
+	}
+
+	if (strcasecmp(operation, "ZoneInfo") == 0) {
+		if (client_version == DNS_CLIENT_VERSION_W2K) {
+			*typeid = DNSSRV_TYPEID_ZONE_INFO_W2K;
+			r->ZoneInfoW2K = talloc_zero(mem_ctx, struct DNS_RPC_ZONE_INFO_W2K);
+
+			r->ZoneInfoW2K->pszZoneName = talloc_strdup(mem_ctx, z->name);
+			r->ZoneInfoW2K->dwZoneType = zoneinfo->dwZoneType;
+			r->ZoneInfoW2K->fReverse = zoneinfo->fReverse;
+			r->ZoneInfoW2K->fAllowUpdate = zoneinfo->fAllowUpdate;
+			r->ZoneInfoW2K->fPaused = zoneinfo->fPaused;
+			r->ZoneInfoW2K->fShutdown = zoneinfo->fShutdown;
+			r->ZoneInfoW2K->fAutoCreated = zoneinfo->fAutoCreated;
+			r->ZoneInfoW2K->fUseDatabase = zoneinfo->fUseDatabase;
+			r->ZoneInfoW2K->pszDataFile = talloc_strdup(mem_ctx, zoneinfo->pszDataFile);
+			r->ZoneInfoW2K->aipMasters = ip4_array_copy(mem_ctx, zoneinfo->aipMasters);
+			r->ZoneInfoW2K->fSecureSecondaries = zoneinfo->fSecureSecondaries;
+			r->ZoneInfoW2K->fNotifyLevel = zoneinfo->fNotifyLevel;
+			r->ZoneInfoW2K->aipSecondaries = ip4_array_copy(mem_ctx, zoneinfo->aipSecondaries);
+			r->ZoneInfoW2K->aipNotify = ip4_array_copy(mem_ctx, zoneinfo->aipNotify);
+			r->ZoneInfoW2K->fUseWins = zoneinfo->fUseWins;
+			r->ZoneInfoW2K->fUseNbstat = zoneinfo->fUseNbstat;
+			r->ZoneInfoW2K->fAging = zoneinfo->fAging;
+			r->ZoneInfoW2K->dwNoRefreshInterval = zoneinfo->dwNoRefreshInterval;
+			r->ZoneInfoW2K->dwRefreshInterval = zoneinfo->dwRefreshInterval;
+			r->ZoneInfoW2K->dwAvailForScavengeTime = zoneinfo->dwAvailForScavengeTime;
+			r->ZoneInfoW2K->aipScavengeServers = ip4_array_copy(mem_ctx, zoneinfo->aipScavengeServers);
+
+		} else if (client_version == DNS_CLIENT_VERSION_DOTNET) {
+			*typeid = DNSSRV_TYPEID_ZONE_INFO_DOTNET;
+			r->ZoneInfoDotNet = talloc_zero(mem_ctx, struct DNS_RPC_ZONE_INFO_DOTNET);
+
+			r->ZoneInfoDotNet->dwRpcStructureVersion = 0x01;
+			r->ZoneInfoDotNet->pszZoneName = talloc_strdup(mem_ctx, z->name);
+			r->ZoneInfoDotNet->dwZoneType = zoneinfo->dwZoneType;
+			r->ZoneInfoDotNet->fReverse = zoneinfo->fReverse;
+			r->ZoneInfoDotNet->fAllowUpdate = zoneinfo->fAllowUpdate;
+			r->ZoneInfoDotNet->fPaused = zoneinfo->fPaused;
+			r->ZoneInfoDotNet->fShutdown = zoneinfo->fShutdown;
+			r->ZoneInfoDotNet->fAutoCreated = zoneinfo->fAutoCreated;
+			r->ZoneInfoDotNet->fUseDatabase = zoneinfo->fUseDatabase;
+			r->ZoneInfoDotNet->pszDataFile = talloc_strdup(mem_ctx, zoneinfo->pszDataFile);
+			r->ZoneInfoDotNet->aipMasters = ip4_array_copy(mem_ctx, zoneinfo->aipMasters);
+			r->ZoneInfoDotNet->fSecureSecondaries = zoneinfo->fSecureSecondaries;
+			r->ZoneInfoDotNet->fNotifyLevel = zoneinfo->fNotifyLevel;
+			r->ZoneInfoDotNet->aipSecondaries = ip4_array_copy(mem_ctx, zoneinfo->aipSecondaries);
+			r->ZoneInfoDotNet->aipNotify = ip4_array_copy(mem_ctx, zoneinfo->aipNotify);
+			r->ZoneInfoDotNet->fUseWins = zoneinfo->fUseWins;
+			r->ZoneInfoDotNet->fUseNbstat = zoneinfo->fUseNbstat;
+			r->ZoneInfoDotNet->fAging = zoneinfo->fAging;
+			r->ZoneInfoDotNet->dwNoRefreshInterval = zoneinfo->dwNoRefreshInterval;
+			r->ZoneInfoDotNet->dwRefreshInterval = zoneinfo->dwRefreshInterval;
+			r->ZoneInfoDotNet->dwAvailForScavengeTime = zoneinfo->dwAvailForScavengeTime;
+			r->ZoneInfoDotNet->aipScavengeServers = ip4_array_copy(mem_ctx, zoneinfo->aipScavengeServers);
+			r->ZoneInfoDotNet->dwForwarderTimeout = zoneinfo->dwForwarderTimeout;
+			r->ZoneInfoDotNet->fForwarderSlave = zoneinfo->fForwarderSlave;
+			r->ZoneInfoDotNet->aipLocalMasters = ip4_array_copy(mem_ctx, zoneinfo->aipLocalMasters);
+			r->ZoneInfoDotNet->dwDpFlags = zoneinfo->dwDpFlags;
+			r->ZoneInfoDotNet->pszDpFqdn = talloc_strdup(mem_ctx, zoneinfo->pszDpFqdn);
+			r->ZoneInfoDotNet->pwszZoneDn = talloc_strdup(mem_ctx, zoneinfo->pwszZoneDn);
+			r->ZoneInfoDotNet->dwLastSuccessfulSoaCheck = zoneinfo->dwLastSuccessfulSoaCheck;
+			r->ZoneInfoDotNet->dwLastSuccessfulXfr = zoneinfo->dwLastSuccessfulXfr;
+
+		} else {
+			*typeid = DNSSRV_TYPEID_ZONE_INFO;
+			r->ZoneInfo = talloc_zero(mem_ctx, struct DNS_RPC_ZONE_INFO_LONGHORN);
+
+			r->ZoneInfo->dwRpcStructureVersion = 0x02;
+			r->ZoneInfo->pszZoneName = talloc_strdup(mem_ctx, z->name);
+			r->ZoneInfo->dwZoneType = zoneinfo->dwZoneType;
+			r->ZoneInfo->fReverse = zoneinfo->fReverse;
+			r->ZoneInfo->fAllowUpdate = zoneinfo->fAllowUpdate;
+			r->ZoneInfo->fPaused = zoneinfo->fPaused;
+			r->ZoneInfo->fShutdown = zoneinfo->fShutdown;
+			r->ZoneInfo->fAutoCreated = zoneinfo->fAutoCreated;
+			r->ZoneInfo->fUseDatabase = zoneinfo->fUseDatabase;
+			r->ZoneInfo->pszDataFile = talloc_strdup(mem_ctx, zoneinfo->pszDataFile);
+			r->ZoneInfo->aipMasters = ip4_array_to_dns_addr_array(mem_ctx, zoneinfo->aipMasters);
+			r->ZoneInfo->fSecureSecondaries = zoneinfo->fSecureSecondaries;
+			r->ZoneInfo->fNotifyLevel = zoneinfo->fNotifyLevel;
+			r->ZoneInfo->aipSecondaries = ip4_array_to_dns_addr_array(mem_ctx, zoneinfo->aipSecondaries);
+			r->ZoneInfo->aipNotify = ip4_array_to_dns_addr_array(mem_ctx, zoneinfo->aipNotify);
+			r->ZoneInfo->fUseWins = zoneinfo->fUseWins;
+			r->ZoneInfo->fUseNbstat = zoneinfo->fUseNbstat;
+			r->ZoneInfo->fAging = zoneinfo->fAging;
+			r->ZoneInfo->dwNoRefreshInterval = zoneinfo->dwNoRefreshInterval;
+			r->ZoneInfo->dwRefreshInterval = zoneinfo->dwRefreshInterval;
+			r->ZoneInfo->dwAvailForScavengeTime = zoneinfo->dwAvailForScavengeTime;
+			r->ZoneInfo->aipScavengeServers = ip4_array_to_dns_addr_array(mem_ctx, zoneinfo->aipScavengeServers);
+			r->ZoneInfo->dwForwarderTimeout = zoneinfo->dwForwarderTimeout;
+			r->ZoneInfo->fForwarderSlave = zoneinfo->fForwarderSlave;
+			r->ZoneInfo->aipLocalMasters = ip4_array_to_dns_addr_array(mem_ctx, zoneinfo->aipLocalMasters);
+			r->ZoneInfo->dwDpFlags = zoneinfo->dwDpFlags;
+			r->ZoneInfo->pszDpFqdn = talloc_strdup(mem_ctx, zoneinfo->pszDpFqdn);
+			r->ZoneInfo->pwszZoneDn = talloc_strdup(mem_ctx, zoneinfo->pwszZoneDn);
+			r->ZoneInfo->dwLastSuccessfulSoaCheck = zoneinfo->dwLastSuccessfulSoaCheck;
+			r->ZoneInfo->dwLastSuccessfulXfr = zoneinfo->dwLastSuccessfulXfr;
+
+			r->ZoneInfo->fQueuedForBackgroundLoad = zoneinfo->fQueuedForBackgroundLoad;
+			r->ZoneInfo->fBackgroundLoadInProgress = zoneinfo->fBackgroundLoadInProgress;
+			r->ZoneInfo->fReadOnlyZone = zoneinfo->fReadOnlyZone;
+			r->ZoneInfo->dwLastXfrAttempt = zoneinfo->dwLastXfrAttempt;
+			r->ZoneInfo->dwLastXfrResult = zoneinfo->dwLastXfrResult;
+		}
+
+		return WERR_OK;
+	}
+
+	is_integer = 0;
+
+	if (strcasecmp(operation, "AllowUpdate") == 0) {
+		answer_integer = zoneinfo->fAllowUpdate;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "Secured") == 0) {
+		answer_integer = 0;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "DsIntegrated") == 0) {
+		answer_integer = zoneinfo->fUseDatabase;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "LogUpdates") == 0) {
+		answer_integer = 0;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "NoRefreshInterval") == 0) {
+		answer_integer = zoneinfo->dwNoRefreshInterval;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "NotifyLevel") == 0) {
+		answer_integer = zoneinfo->fNotifyLevel;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "RefreshInterval") == 0) {
+		answer_integer = zoneinfo->dwRefreshInterval;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "SecureSecondaries") == 0) {
+		answer_integer = zoneinfo->fSecureSecondaries;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "Type") == 0) {
+		answer_integer = zoneinfo->dwZoneType;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "Aging") == 0) {
+		answer_integer = zoneinfo->fAging;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "ForwarderSlave") == 0) {
+		answer_integer = zoneinfo->fForwarderSlave;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "ForwarderTimeout") == 0) {
+		answer_integer = zoneinfo->dwForwarderTimeout;
+		is_integer = 1;
+	} else if (strcasecmp(operation, "Unicode") == 0) {
+		answer_integer = 0;
+		is_integer = 1;
+	}
+
+	if (is_integer == 1) {
+		*typeid = DNSSRV_TYPEID_DWORD;
+		r->Dword = answer_integer;
+		return WERR_OK;
+	}
+
+	is_addresses = 0;
+
+	if (strcasecmp(operation, "AllowNSRecordsAutoCreation") == 0) {
+		if (client_version == DNS_CLIENT_VERSION_LONGHORN) {
+			answer_addrarray = NULL;
+		} else {
+			answer_iparray = NULL;
+		}
+		is_addresses = 1;
+	} else if (strcasecmp(operation, "ScavengeServers") == 0) {
+		if (client_version == DNS_CLIENT_VERSION_LONGHORN) {
+			answer_addrarray = ip4_array_to_dns_addr_array(mem_ctx, zoneinfo->aipScavengeServers);
+		} else {
+			answer_iparray = ip4_array_copy(mem_ctx, zoneinfo->aipScavengeServers);
+		}
+		is_addresses = 1;
+	} else if (strcasecmp(operation, "MasterServers") == 0) {
+		if (client_version == DNS_CLIENT_VERSION_LONGHORN) {
+			answer_addrarray = ip4_array_to_dns_addr_array(mem_ctx, zoneinfo->aipMasters);
+		} else {
+			answer_iparray = ip4_array_copy(mem_ctx, zoneinfo->aipMasters);
+		}
+		is_addresses = 1;
+	} else if (strcasecmp(operation, "LocalMasterServers") == 0) {
+		if (client_version == DNS_CLIENT_VERSION_LONGHORN) {
+			answer_addrarray = ip4_array_to_dns_addr_array(mem_ctx, zoneinfo->aipLocalMasters);
+		} else {
+			answer_iparray = ip4_array_copy(mem_ctx, zoneinfo->aipLocalMasters);
+		}
+		is_addresses = 1;
+	} else if (strcasecmp(operation, "NotifyServers") == 0) {
+		if (client_version == DNS_CLIENT_VERSION_LONGHORN) {
+			answer_addrarray = ip4_array_to_dns_addr_array(mem_ctx, zoneinfo->aipNotify);
+		} else {
+			answer_iparray = ip4_array_copy(mem_ctx, zoneinfo->aipNotify);
+		}
+		is_addresses = 1;
+	} else if (strcasecmp(operation, "SecondaryServers") == 0) {
+		if (client_version == DNS_CLIENT_VERSION_LONGHORN) {
+			answer_addrarray = ip4_array_to_dns_addr_array(mem_ctx, zoneinfo->aipSecondaries);
+		} else {
+			answer_iparray = ip4_array_copy(mem_ctx, zoneinfo->aipSecondaries);
+		}
+		is_addresses = 1;
+	}
+
+	if (is_addresses == 1) {
+		if (client_version == DNS_CLIENT_VERSION_LONGHORN) {
+			*typeid = DNSSRV_TYPEID_ADDRARRAY;
+			r->AddrArray = answer_addrarray;
+		} else {
+			*typeid = DNSSRV_TYPEID_IPARRAY;
+			r->IpArray = answer_iparray;
+		}
+		return WERR_OK;
+	}
+
+	is_string = 0;
+
+	if (strcasecmp(operation, "DatabaseFile") == 0) {
+		answer_string = talloc_strdup(mem_ctx, zoneinfo->pszDataFile);
+		is_string = 1;
+	} else if (strcasecmp(operation, "ApplicationDirectoryPartition") == 0) {
+		answer_string = talloc_strdup(mem_ctx, zoneinfo->pszDpFqdn);
+		is_string = 1;
+	} else if (strcasecmp(operation, "BreakOnNameUpdate") == 0) {
+		answer_string = NULL;
+		is_string = 1;
+	}
+
+	if (is_string == 1) {
+		*typeid = DNSSRV_TYPEID_LPSTR;
+		r->String = answer_string;
+		return WERR_OK;
+	}
+
+	DEBUG(0,("dnsserver: Invalid zone operation %s", operation));
+	return WERR_DNS_ERROR_INVALID_PROPERTY;
+
+}
+
+/* dnsserver operation functions */
+
+/* [MS-DNSP].pdf Section 3.1.1.1 DNS Server Configuration Information */
+static WERROR dnsserver_operate_server(struct dnsserver_state *dsstate,
+					TALLOC_CTX *mem_ctx,
+					const char *operation,
+					const unsigned int client_version,
+					enum DNS_RPC_TYPEID typeid,
+					union DNSSRV_RPC_UNION *r)
+{
+	bool valid_operation = false;
+
+	if (strcasecmp(operation, "ResetDwordProperty") == 0) {
+		valid_operation = true;
+	} else if (strcasecmp(operation, "Restart") == 0) {
+		valid_operation = true;
+	} else if (strcasecmp(operation, "ClearDebugLog") == 0) {
+		valid_operation = true;
+	} else if (strcasecmp(operation, "ClearCache") == 0) {
+		valid_operation = true;
+	} else if (strcasecmp(operation, "WriteDirtyZones") == 0) {
+		valid_operation = true;
+	} else if (strcasecmp(operation, "ZoneCreate") == 0) {
+		valid_operation = true;
+	} else if (strcasecmp(operation, "ClearStatistics") == 0) {
+		valid_operation = true;
+	} else if (strcasecmp(operation, "EnlistDirectoryPartition") == 0) {
+		valid_operation = true;
+	} else if (strcasecmp(operation, "StartScavenging") == 0) {
+		valid_operation = true;
+	} else if (strcasecmp(operation, "AbortScavenging") == 0) {
+		valid_operation = true;
+	} else if (strcasecmp(operation, "AutoConfigure") == 0) {
+		valid_operation = true;
+	} else if (strcasecmp(operation, "ExportSettings") == 0) {
+		valid_operation = true;
+	} else if (strcasecmp(operation, "PrepareForDemotion") == 0) {
+		valid_operation = true;
+	} else if (strcasecmp(operation, "PrepareForUninstall") == 0) {
+		valid_operation = true;
+	} else if (strcasecmp(operation, "DeleteNode") == 0) {
+		valid_operation = true;
+	} else if (strcasecmp(operation, "DeleteRecord") == 0) {
+		valid_operation = true;
+	} else if (strcasecmp(operation, "WriteBackFile") == 0) {
+		valid_operation = true;
+	} else if (strcasecmp(operation, "ListenAddresses") == 0) {
+		valid_operation = true;
+	} else if (strcasecmp(operation, "Forwarders") == 0) {
+		valid_operation = true;
+	} else if (strcasecmp(operation, "LogFilePath") == 0) {
+		valid_operation = true;
+	} else if (strcasecmp(operation, "LogIpFilterList") == 0) {
+		valid_operation = true;
+	} else if (strcasecmp(operation, "ForestDirectoryPartitionBaseName") == 0) {
+		valid_operation = true;
+	} else if (strcasecmp(operation, "DomainDirectoryPartitionBaseName") == 0) {
+		valid_operation = true;
+	} else if (strcasecmp(operation, "GlobalQueryBlockList") == 0) {
+		valid_operation = true;
+	} else if (strcasecmp(operation, "BreakOnReceiveFrom") == 0) {
+		valid_operation = true;
+	} else if (strcasecmp(operation, "BreakOnUpdateFrom") == 0) {
+		valid_operation = true;
+	} else if (strcasecmp(operation, "ServerLevelPluginDll") == 0) {
+		valid_operation = true;
+	}
+
+	if (valid_operation) {
+		DEBUG(0, ("dnsserver: server operation '%s' not implemented", operation));
+		return WERR_CALL_NOT_IMPLEMENTED;
+	}
+
+	DEBUG(0, ("dnsserver: invalid server operation '%s'", operation));
+	return WERR_DNS_ERROR_INVALID_PROPERTY;
+}
+
+static WERROR dnsserver_complex_operate_server(struct dnsserver_state *dsstate,
+					TALLOC_CTX *mem_ctx,
+					const char *operation,
+					const unsigned int client_version,
+					enum DNS_RPC_TYPEID typeid_in,
+					union DNSSRV_RPC_UNION *rin,
+					enum DNS_RPC_TYPEID *typeid_out,
+					union DNSSRV_RPC_UNION *rout)
+{
+	int valid_operation = 0;
+	struct dnsserver_zone *z;
+	bool list_zones;
+	int i;
+
+	if (strcasecmp(operation, "QueryDwordProperty") == 0) {
+		if (typeid_in == DNSSRV_TYPEID_LPSTR) {
+			return dnsserver_query_server(dsstate, mem_ctx,
+							rin->String,
+							client_version,
+							typeid_out,
+							rout);
+		}
+	} else if (strcasecmp(operation, "EnumZones") == 0) {
+		if (typeid_in != DNSSRV_TYPEID_DWORD) {
+			return WERR_DNS_ERROR_INVALID_PROPERTY;
+		}
+		if ((rin->Dword & (DNS_ZONE_REQUEST_PRIMARY |
+					DNS_ZONE_REQUEST_FORWARD |
+					DNS_ZONE_REQUEST_DS)) > 0) {
+			list_zones = true;
+		} else {
+			list_zones = false;
+		}
+
+		if (client_version == DNS_CLIENT_VERSION_W2K) {
+			*typeid_out = DNSSRV_TYPEID_ZONE_LIST_W2K;
+			rout->ZoneListW2K = talloc_zero(mem_ctx, struct DNS_RPC_ZONE_LIST_W2K);
+
+			if (!list_zones) {
+				rout->ZoneListW2K->dwZoneCount = 0;
+				rout->ZoneListW2K->ZoneArray = NULL;
+
+				return WERR_OK;
+			}
+
+			rout->ZoneListW2K->ZoneArray = talloc_zero_array(mem_ctx, struct DNS_RPC_ZONE_W2K *, dsstate->zones_count);
+			if (rout->ZoneListW2K->ZoneArray == NULL) {
+				return WERR_NOMEM;
+			}
+
+			for (z = dsstate->zones, i=0; z; z = z->next, i++) {
+				rout->ZoneListW2K->ZoneArray[i] = talloc_zero(mem_ctx, struct DNS_RPC_ZONE_W2K);
+
+				rout->ZoneListW2K->ZoneArray[i]->pszZoneName = talloc_strdup(mem_ctx, z->name);
+				rout->ZoneListW2K->ZoneArray[i]->Flags = z->zoneinfo->Flags;
+				rout->ZoneListW2K->ZoneArray[i]->ZoneType = z->zoneinfo->dwZoneType;
+				rout->ZoneListW2K->ZoneArray[i]->Version = z->zoneinfo->Version;
+			}
+			rout->ZoneListW2K->dwZoneCount = dsstate->zones_count;
+
+		} else {
+			*typeid_out = DNSSRV_TYPEID_ZONE_LIST;
+			rout->ZoneList = talloc_zero(mem_ctx, struct DNS_RPC_ZONE_LIST_DOTNET);
+
+			if (!list_zones) {
+				rout->ZoneList->dwRpcStructureVersion = 1;
+				rout->ZoneList->dwZoneCount = 0;
+				rout->ZoneList->ZoneArray = NULL;
+
+				return WERR_OK;
+			}
+
+			rout->ZoneList->ZoneArray = talloc_zero_array(mem_ctx, struct DNS_RPC_ZONE_DOTNET *, dsstate->zones_count);
+			if (rout->ZoneList->ZoneArray == NULL) {
+				return WERR_NOMEM;
+			}
+
+			for (z = dsstate->zones, i=0; z; z = z->next, i++) {
+				rout->ZoneList->ZoneArray[i] = talloc_zero(mem_ctx, struct DNS_RPC_ZONE_DOTNET);
+
+				rout->ZoneList->ZoneArray[i]->dwRpcStructureVersion = 1;
+				rout->ZoneList->ZoneArray[i]->pszZoneName = talloc_strdup(mem_ctx, z->name);
+				rout->ZoneList->ZoneArray[i]->Flags = z->zoneinfo->Flags;
+				rout->ZoneList->ZoneArray[i]->ZoneType = z->zoneinfo->dwZoneType;
+				rout->ZoneList->ZoneArray[i]->Version = z->zoneinfo->Version;
+				rout->ZoneList->ZoneArray[i]->dwDpFlags = z->zoneinfo->dwDpFlags;
+				rout->ZoneList->ZoneArray[i]->pszDpFqdn = talloc_strdup(mem_ctx, z->zoneinfo->pszDpFqdn);
+			}
+			rout->ZoneList->dwRpcStructureVersion = 1;
+			rout->ZoneList->dwZoneCount = dsstate->zones_count;
+		}
+		return WERR_OK;
+	} else if (strcasecmp(operation, "EnumZones2") == 0) {
+		valid_operation = true;
+	} else if (strcasecmp(operation, "EnumDirectoryPartitions") == 0) {
+		valid_operation = true;
+	} else if (strcasecmp(operation, "DirectoryPartitionInfo") == 0) {
+		valid_operation = true;
+	} else if (strcasecmp(operation, "Statistics") == 0) {
+		valid_operation = true;
+	} else if (strcasecmp(operation, "IpValidate") == 0) {
+		valid_operation = true;
+	}
+
+	if (valid_operation) {
+		DEBUG(0, ("dnsserver: server complex operation '%s' not implemented", operation));
+		return WERR_CALL_NOT_IMPLEMENTED;
+	}
+
+	DEBUG(0, ("dnsserver: invalid server complex operation '%s'", operation));
+	return WERR_DNS_ERROR_INVALID_PROPERTY;
+}
+
+/* [MS-DNSP].pdf Section 3.1.1.2 Zone Configuration Information */
+static WERROR dnsserver_operate_zone(struct dnsserver_state *dsstate,
+					TALLOC_CTX *mem_ctx,
+					struct dnsserver_zone *z,
+					unsigned int request_filter,
+					const char *operation,
+					const unsigned int client_version,
+					enum DNS_RPC_TYPEID typeid,
+					union DNSSRV_RPC_UNION *r)
+{
+	bool valid_operation = false;
+
+	if (strcasecmp(operation, "ResetDwordProperty") == 0) {
+		valid_operation = true;
+	} else if (strcasecmp(operation, "ZoneTypeReset") == 0) {
+		valid_operation = true;
+	} else if (strcasecmp(operation, "PauseZone") == 0) {
+		valid_operation = true;
+	} else if (strcasecmp(operation, "ResumeZone") == 0) {
+		valid_operation = true;
+	} else if (strcasecmp(operation, "DeleteZone") == 0) {
+		valid_operation = true;
+	} else if (strcasecmp(operation, "ReloadZone") == 0) {
+		valid_operation = true;
+	} else if (strcasecmp(operation, "RefreshZone") == 0) {
+		valid_operation = true;
+	} else if (strcasecmp(operation, "ExpireZone") == 0) {
+		valid_operation = true;
+	} else if (strcasecmp(operation, "IncrementVersion") == 0) {
+		valid_operation = true;
+	} else if (strcasecmp(operation, "WriteBackFile") == 0) {
+		valid_operation = true;
+	} else if (strcasecmp(operation, "DeleteZoneFromDs") == 0) {
+		valid_operation = true;
+	} else if (strcasecmp(operation, "UpdateZoneFromDs") == 0) {
+		valid_operation = true;
+	} else if (strcasecmp(operation, "ZoneExport") == 0) {
+		valid_operation = true;
+	} else if (strcasecmp(operation, "ZoneChangeDirectoryPartition") == 0) {
+		valid_operation = true;
+	} else if (strcasecmp(operation, "DeleteNode") == 0) {
+		valid_operation = true;
+	} else if (strcasecmp(operation, "DeleteRecordSet") == 0) {
+		valid_operation = true;
+	} else if (strcasecmp(operation, "ForceAgingOnNode") == 0) {
+		valid_operation = true;
+	} else if (strcasecmp(operation, "DatabaseFile") == 0) {
+		valid_operation = true;
+	} else if (strcasecmp(operation, "MasterServers") == 0) {
+		valid_operation = true;
+	} else if (strcasecmp(operation, "LocalMasterServers") == 0) {
+		valid_operation = true;
+	} else if (strcasecmp(operation, "NotifyServers") == 0) {
+		valid_operation = true;
+	} else if (strcasecmp(operation, "SecondaryServers") == 0) {
+		valid_operation = true;
+	} else if (strcasecmp(operation, "ScavengingServers") == 0) {
+		valid_operation = true;
+	} else if (strcasecmp(operation, "AllowNSRecordsAutoCreation") == 0) {
+		valid_operation = true;
+	} else if (strcasecmp(operation, "BreakOnNameUpdate") == 0) {
+		valid_operation = true;
+	} else if (strcasecmp(operation, "ApplicationDirectoryPartition") == 0) {
+		valid_operation = true;
+	}
+
+	if (valid_operation) {
+		DEBUG(0, ("dnsserver: zone operation '%s' not implemented", operation));
+		return WERR_CALL_NOT_IMPLEMENTED;
+	}
+
+	DEBUG(0, ("dnsserver: invalid zone operation '%s'", operation));
+	return WERR_DNS_ERROR_INVALID_PROPERTY;
+}
+
+static WERROR dnsserver_complex_operate_zone(struct dnsserver_state *dsstate,
+					TALLOC_CTX *mem_ctx,
+					struct dnsserver_zone *z,
+					const char *operation,
+					const unsigned int client_version,
+					enum DNS_RPC_TYPEID typeid_in,
+					union DNSSRV_RPC_UNION *rin,
+					enum DNS_RPC_TYPEID *typeid_out,
+					union DNSSRV_RPC_UNION *rout)
+{
+	if (strcasecmp(operation, "QueryDwordProperty") == 0) {
+		if (typeid_in == DNSSRV_TYPEID_LPSTR) {
+			return dnsserver_query_zone(dsstate, mem_ctx, z,
+						rin->String,
+						client_version,
+						typeid_out,
+						rout);
+
+		}
+	}
+
+	DEBUG(0,("dnsserver: Invalid zone operation %s", operation));
+	return WERR_DNS_ERROR_INVALID_PROPERTY;
+}
+
+/* dnsserver enumerate function */
+
+static WERROR dnsserver_enumerate_root_records(struct dnsserver_state *dsstate,
+					TALLOC_CTX *mem_ctx,
+					unsigned int client_version,
+					const char *node_name,
+					enum dns_record_type record_type,
+					unsigned int select_flag,
+					unsigned int *buffer_length,
+					struct DNS_RPC_RECORDS_ARRAY **buffer)
+{
+	TALLOC_CTX *tmp_ctx;
+	const char * const attrs[] = { "name", "dnsRecord", NULL };
+	struct ldb_result *res;
+	struct ldb_dn *dn;
+	struct DNS_RPC_RECORDS_ARRAY *recs;
+	char **add_names;
+	char *rname;
+	int add_count;
+	int i, ret, len;
+	WERROR status;
+
+	tmp_ctx = talloc_new(mem_ctx);
+	W_ERROR_HAVE_NO_MEMORY(tmp_ctx);
+
+	dn = ldb_dn_copy(tmp_ctx, ldb_get_default_basedn(dsstate->samdb));
+	W_ERROR_HAVE_NO_MEMORY_AND_FREE(dn, tmp_ctx);
+
+	if (!ldb_dn_add_child_fmt(dn, "DC=RootDNSServers,CN=MicrosoftDNS,DC=DomainDnsZones")) {
+		talloc_free(tmp_ctx);
+		return WERR_NOMEM;
+	}
+
+	ret = ldb_search(dsstate->samdb, tmp_ctx, &res, dn,
+				LDB_SCOPE_ONELEVEL, attrs, "(&(objectClass=dnsNode)(name=@))");
+	if (ret != LDB_SUCCESS) {
+		talloc_free(tmp_ctx);
+		return WERR_INTERNAL_DB_ERROR;
+	}
+	if (res->count == 0) {
+		talloc_free(tmp_ctx);
+		return WERR_DNS_ERROR_NAME_DOES_NOT_EXIST;
+	}
+
+	recs = talloc_zero(mem_ctx, struct DNS_RPC_RECORDS_ARRAY);
+	W_ERROR_HAVE_NO_MEMORY_AND_FREE(recs, tmp_ctx);
+
+	add_names = NULL;
+	add_count = 0;
+
+	for (i=0; i<res->count; i++) {
+		status = dns_fill_records_array(tmp_ctx, NULL, record_type,
+						select_flag, NULL,
+						res->msgs[i], recs,
+						&add_names, &add_count);
+		if (!W_ERROR_IS_OK(status)) {
+			talloc_free(tmp_ctx);
+			return status;
+		}
+	}
+	talloc_free(res);
+
+	/* Add any additional records */
+	if (select_flag & DNS_RPC_VIEW_ADDITIONAL_DATA) {
+		for (i=0; i<add_count; i++) {
+			ret = ldb_search(dsstate->samdb, tmp_ctx, &res, dn,
+					LDB_SCOPE_ONELEVEL, attrs,
+					"(&(objectClass=dnsNode)(name=%s))", add_names[i]);
+			if (ret != LDB_SUCCESS || res->count == 0) {
+				talloc_free(res);
+				continue;
+			}
+
+			len = strlen(add_names[i]);
+			if (add_names[i][len-1] == '.') {
+				rname = talloc_strdup(tmp_ctx, add_names[i]);
+			} else {
+				rname = talloc_asprintf(tmp_ctx, "%s.", add_names[i]);
+			}
+			status = dns_fill_records_array(tmp_ctx, NULL, DNS_TYPE_A,
+							select_flag, rname,
+							res->msgs[0], recs,
+							NULL, NULL);
+			talloc_free(rname);
+			talloc_free(res);
+		}
+	}
+
+	talloc_free(tmp_ctx);
+
+	*buffer_length = ndr_size_DNS_RPC_RECORDS_ARRAY(recs, 0);
+	*buffer = recs;
+
+	return WERR_OK;
+}
+
+
+static WERROR dnsserver_enumerate_records(struct dnsserver_state *dsstate,
+					TALLOC_CTX *mem_ctx,
+					struct dnsserver_zone *z,
+					unsigned int client_version,
+					const char *node_name,
+					const char *start_child,
+					enum dns_record_type record_type,
+					unsigned int select_flag,
+					const char *filter_start,
+					const char *filter_stop,
+					unsigned int *buffer_length,
+					struct DNS_RPC_RECORDS_ARRAY **buffer)
+{
+	TALLOC_CTX *tmp_ctx;
+	char *name, *branch_name;
+	const char * const attrs[] = { "name", "dnsRecord", NULL };
+	struct ldb_result *res;
+	struct DNS_RPC_RECORDS_ARRAY *recs;
+	char **add_names = NULL;
+	const char *ptr;
+	char *rname;
+	int add_count = 0;
+	int i, ret, len;
+	WERROR status;
+
+	tmp_ctx = talloc_new(mem_ctx);
+	W_ERROR_HAVE_NO_MEMORY(tmp_ctx);
+
+	name = dns_split_node_name(tmp_ctx, node_name, z->name);
+	W_ERROR_HAVE_NO_MEMORY_AND_FREE(name, tmp_ctx);
+
+	/* search all records under parent tree */
+	if (strcmp(name, z->name) == 0) {
+		ret = ldb_search(dsstate->samdb, tmp_ctx, &res, z->zone_dn,
+				LDB_SCOPE_ONELEVEL, attrs, "(objectClass=dnsNode)");
+	} else {
+		ret = ldb_search(dsstate->samdb, tmp_ctx, &res, z->zone_dn,
+				LDB_SCOPE_ONELEVEL, attrs,
+				"(&(objectClass=dnsNode)(|(name=%s)(name=*.%s)))",
+				name, name);
+	}
+	if (ret != LDB_SUCCESS) {
+		talloc_free(tmp_ctx);
+		return WERR_INTERNAL_DB_ERROR;
+	}
+	if (res->count == 0) {
+		talloc_free(tmp_ctx);
+		return WERR_DNS_ERROR_NAME_DOES_NOT_EXIST;
+	}
+
+	recs = talloc_zero(mem_ctx, struct DNS_RPC_RECORDS_ARRAY);
+	W_ERROR_HAVE_NO_MEMORY_AND_FREE(recs, tmp_ctx);
+
+	/* Sort the names, so that the first record is the parent record */
+	ldb_qsort(res->msgs, res->count, sizeof(struct ldb_message *), name,
+			(ldb_qsort_cmp_fn_t)dns_name_compare);
+
+	/* Add the parent record with blank name */
+	ptr = ldb_msg_find_attr_as_string(res->msgs[0], "name", NULL);
+	if (strcmp(ptr, name) == 0 || strcmp(ptr, "@") == 0) {
+		/* parent record found */
+		if (select_flag & DNS_RPC_VIEW_ONLY_CHILDREN) {
+			status = WERR_OK;
+		} else {
+			status = dns_fill_records_array(tmp_ctx, z, record_type,
+							select_flag, NULL,
+							res->msgs[0], recs,
+							&add_names, &add_count);
+		}
+		i = 1;
+	} else {
+		/* parent record not in the search */
+		if (select_flag & DNS_RPC_VIEW_ONLY_CHILDREN) {
+			status = WERR_OK;
+		} else {
+			status = dns_fill_records_array(tmp_ctx, z, record_type,
+							select_flag, NULL,
+							NULL, recs,
+							&add_names, &add_count);
+		}
+		i = 0;
+	}
+
+	if (!W_ERROR_IS_OK(status)) {
+		talloc_free(tmp_ctx);
+		return status;
+	}
+
+	/* Add all the children records */
+	if (!(select_flag & DNS_RPC_VIEW_NO_CHILDREN)) {
+		for ( ; i<res->count; i++) {
+			char *name2;
+			const char *tmp_str;
+
+			ptr = ldb_msg_find_attr_as_string(res->msgs[i], "name", NULL);
+			name2 = dns_split_node_name(tmp_ctx, ptr, name);
+			tmp_str = strrchr(name2, '.');
+			if (tmp_str == NULL) {
+				branch_name = talloc_strdup(tmp_ctx, name2);
+			} else {
+				/* Skip '.' */
+				branch_name = talloc_strdup(tmp_ctx, &tmp_str[1]);
+			}
+			talloc_free(name2);
+
+			status = dns_fill_records_array(tmp_ctx, z, record_type,
+							select_flag, branch_name,
+							res->msgs[i], recs,
+							&add_names, &add_count);
+			if (!W_ERROR_IS_OK(status)) {
+				talloc_free(tmp_ctx);
+				return status;
+			}
+
+			talloc_free(branch_name);
+		}
+	}
+	talloc_free(res);
+
+	talloc_free(name);
+
+	/* Add any additional records */
+	if (select_flag & DNS_RPC_VIEW_ADDITIONAL_DATA) {
+		for (i=0; i<add_count; i++) {
+			name = dns_split_node_name(tmp_ctx, add_names[i], z->name);
+			ret = ldb_search(dsstate->samdb, tmp_ctx, &res, z->zone_dn,
+					LDB_SCOPE_ONELEVEL, attrs,
+					"(&(objectClass=dnsNode)(name=%s))", name);
+			talloc_free(name);
+			if (ret != LDB_SUCCESS || res->count == 0) {
+				talloc_free(res);
+				continue;
+			}
+
+			len = strlen(add_names[i]);
+			if (add_names[i][len-1] == '.') {
+				rname = talloc_strdup(tmp_ctx, add_names[i]);
+			} else {
+				rname = talloc_asprintf(tmp_ctx, "%s.", add_names[i]);
+			}
+			status = dns_fill_records_array(tmp_ctx, NULL, DNS_TYPE_A,
+							select_flag, rname,
+							res->msgs[0], recs,
+							NULL, NULL);
+			talloc_free(rname);
+			talloc_free(res);
+		}
+	}
+
+	*buffer_length = ndr_size_DNS_RPC_RECORDS_ARRAY(recs, 0);
+	*buffer = recs;
+
+	return WERR_OK;
+}
+
+/* dnsserver update function */
+
+static WERROR dnsserver_update_record(struct dnsserver_state *dsstate,
+					TALLOC_CTX *mem_ctx,
+					struct dnsserver_zone *z,
+					unsigned int client_version,
+					const char *node_name,
+					struct DNS_RPC_RECORD_BUF *add_buf,
+					struct DNS_RPC_RECORD_BUF *del_buf)
+{
+	TALLOC_CTX *tmp_ctx;
+	char *name;
+	WERROR status;
+
+	tmp_ctx = talloc_new(mem_ctx);
+	W_ERROR_HAVE_NO_MEMORY(tmp_ctx);
+
+	name = dns_split_node_name(tmp_ctx, node_name, z->name);
+	W_ERROR_HAVE_NO_MEMORY_AND_FREE(name, tmp_ctx);
+
+	if (add_buf != NULL) {
+		if (del_buf == NULL) {
+			/* Add record */
+			status = dnsserver_db_add_record(tmp_ctx, dsstate->samdb,
+								z, name,
+								&add_buf->rec);
+		} else {
+			/* Update record */
+			status = dnsserver_db_update_record(tmp_ctx, dsstate->samdb,
+								z, name,
+								&add_buf->rec,
+								&del_buf->rec);
+		}
+	} else {
+		if (del_buf == NULL) {
+			/* Add empty node */
+			status = dnsserver_db_add_empty_node(tmp_ctx, dsstate->samdb,
+								z, name);
+		} else {
+			/* Delete record */
+			status = dnsserver_db_delete_record(tmp_ctx, dsstate->samdb,
+								z, name,
+								&del_buf->rec);
+		}
+	}
+
+	talloc_free(tmp_ctx);
+	return status;
+}
+
+
+/* dnsserver interface functions */
+
+static WERROR dcesrv_DnssrvOperation(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx, struct DnssrvOperation *r)
+{
+	struct dnsserver_state *dsstate;
+	struct dnsserver_zone *z = NULL;
+	uint32_t request_filter = 0;
+	WERROR ret;
+
+	if ((dsstate = dnsserver_connect(dce_call)) == NULL) {
+		return WERR_DNS_ERROR_DS_UNAVAILABLE;
+	}
+
+	if (r->in.dwContext == 0) {
+		if (r->in.pszZone != NULL) {
+			request_filter = dnsserver_zone_to_request_filter(r->in.pszZone);
+		}
+	} else {
+		request_filter = r->in.dwContext;
+	}
+
+	if (r->in.pszZone == NULL) {
+		ret = dnsserver_operate_server(dsstate, mem_ctx,
+						r->in.pszOperation,
+						DNS_CLIENT_VERSION_W2K,
+						r->in.dwTypeId,
+						&r->in.pData);
+	} else {
+		ret = dnsserver_operate_zone(dsstate, mem_ctx, z,
+						request_filter,
+						r->in.pszOperation,
+						DNS_CLIENT_VERSION_W2K,
+						r->in.dwTypeId,
+						&r->in.pData);
+	}
+
+	if (W_ERROR_EQUAL(ret, WERR_CALL_NOT_IMPLEMENTED)) {
+		NDR_PRINT_FUNCTION_DEBUG(DnssrvOperation, NDR_IN, r);
+	}
+	return ret;
+}
+
+static WERROR dcesrv_DnssrvQuery(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx, struct DnssrvQuery *r)
+{
+	struct dnsserver_state *dsstate;
+	struct dnsserver_zone *z;
+	WERROR ret;
+
+	ZERO_STRUCTP(r->out.pdwTypeId);
+	ZERO_STRUCTP(r->out.ppData);
+
+	if ((dsstate = dnsserver_connect(dce_call)) == NULL) {
+		return WERR_DNS_ERROR_DS_UNAVAILABLE;
+	}
+
+	if (r->in.pszZone == NULL) {
+		/* FIXME: DNS Server Configuration Access Control List */
+		ret = dnsserver_query_server(dsstate, mem_ctx,
+						r->in.pszOperation,
+						DNS_CLIENT_VERSION_W2K,
+						r->out.pdwTypeId,
+						r->out.ppData);
+	} else {
+		z = dnsserver_find_zone(dsstate->zones, r->in.pszZone);
+		if (z == NULL) {
+			return WERR_DNS_ERROR_ZONE_DOES_NOT_EXIST;
+		}
+
+		ret = dnsserver_query_zone(dsstate, mem_ctx, z,
+						r->in.pszOperation,
+						DNS_CLIENT_VERSION_W2K,
+						r->out.pdwTypeId,
+						r->out.ppData);
+	}
+
+	if (W_ERROR_EQUAL(ret, WERR_CALL_NOT_IMPLEMENTED)) {
+		NDR_PRINT_FUNCTION_DEBUG(DnssrvQuery, NDR_IN, r);
+	}
+	return ret;
+}
+
+static WERROR dcesrv_DnssrvComplexOperation(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx, struct DnssrvComplexOperation *r)
+{
+	struct dnsserver_state *dsstate;
+	struct dnsserver_zone *z;
+	WERROR ret;
+
+	ZERO_STRUCTP(r->out.pdwTypeOut);
+	ZERO_STRUCTP(r->out.ppDataOut);
+
+	if ((dsstate = dnsserver_connect(dce_call)) == NULL) {
+		return WERR_DNS_ERROR_DS_UNAVAILABLE;
+	}
+
+	if (r->in.pszZone == NULL) {
+		/* Server operation */
+		ret = dnsserver_complex_operate_server(dsstate, mem_ctx,
+							r->in.pszOperation,
+							DNS_CLIENT_VERSION_W2K,
+							r->in.dwTypeIn,
+							&r->in.pDataIn,
+							r->out.pdwTypeOut,
+							r->out.ppDataOut);
+	} else {
+		z = dnsserver_find_zone(dsstate->zones, r->in.pszZone);
+		if (z == NULL) {
+			return WERR_DNS_ERROR_ZONE_DOES_NOT_EXIST;
+		}
+
+		ret = dnsserver_complex_operate_zone(dsstate, mem_ctx, z,
+							r->in.pszOperation,
+							DNS_CLIENT_VERSION_W2K,
+							r->in.dwTypeIn,
+							&r->in.pDataIn,
+							r->out.pdwTypeOut,
+							r->out.ppDataOut);
+	}
+
+	if (W_ERROR_EQUAL(ret, WERR_CALL_NOT_IMPLEMENTED)) {
+		NDR_PRINT_FUNCTION_DEBUG(DnssrvComplexOperation, NDR_IN, r);
+	}
+	return ret;
+}
+
+static WERROR dcesrv_DnssrvEnumRecords(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx, struct DnssrvEnumRecords *r)
+{
+	struct dnsserver_state *dsstate;
+	struct dnsserver_zone *z;
+	WERROR ret;
+
+	ZERO_STRUCTP(r->out.pdwBufferLength);
+	ZERO_STRUCTP(r->out.pBuffer);
+
+	if ((dsstate = dnsserver_connect(dce_call)) == NULL) {
+		return WERR_DNS_ERROR_DS_UNAVAILABLE;
+	}
+
+	if (r->in.pszZone == NULL) {
+		return WERR_DNS_ERROR_NAME_DOES_NOT_EXIST;
+	}
+
+	if (strcasecmp(r->in.pszZone, "..RootHints") == 0) {
+		ret = dnsserver_enumerate_root_records(dsstate, mem_ctx,
+					DNS_CLIENT_VERSION_W2K,
+					r->in.pszNodeName,
+					r->in.wRecordType,
+					r->in.fSelectFlag,
+					r->out.pdwBufferLength,
+					r->out.pBuffer);
+	} else {
+		z = dnsserver_find_zone(dsstate->zones, r->in.pszZone);
+		if (z == NULL) {
+			return WERR_DNS_ERROR_NAME_DOES_NOT_EXIST;
+		}
+
+		ret = dnsserver_enumerate_records(dsstate, mem_ctx, z,
+					DNS_CLIENT_VERSION_W2K,
+					r->in.pszNodeName,
+					r->in.pszStartChild,
+					r->in.wRecordType,
+					r->in.fSelectFlag,
+					r->in.pszFilterStart,
+					r->in.pszFilterStop,
+					r->out.pdwBufferLength,
+					r->out.pBuffer);
+	}
+
+	if (W_ERROR_EQUAL(ret, WERR_CALL_NOT_IMPLEMENTED)) {
+		NDR_PRINT_FUNCTION_DEBUG(DnssrvEnumRecords, NDR_IN, r);
+	}
+	return ret;
+}
+
+static WERROR dcesrv_DnssrvUpdateRecord(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx, struct DnssrvUpdateRecord *r)
+{
+	struct dnsserver_state *dsstate;
+	struct dnsserver_zone *z;
+	WERROR ret;
+
+	if ((dsstate = dnsserver_connect(dce_call)) == NULL) {
+		return WERR_DNS_ERROR_DS_UNAVAILABLE;
+	}
+
+	if (r->in.pszZone == NULL) {
+		return WERR_DNS_ERROR_NAME_DOES_NOT_EXIST;
+	}
+
+	z = dnsserver_find_zone(dsstate->zones, r->in.pszZone);
+	if (z == NULL) {
+		return WERR_DNS_ERROR_NAME_DOES_NOT_EXIST;
+	}
+
+	ret = dnsserver_update_record(dsstate, mem_ctx, z,
+					DNS_CLIENT_VERSION_W2K,
+					r->in.pszNodeName,
+					r->in.pAddRecord,
+					r->in.pDeleteRecord);
+
+	if (W_ERROR_EQUAL(ret, WERR_CALL_NOT_IMPLEMENTED)) {
+		NDR_PRINT_FUNCTION_DEBUG(DnssrvUpdateRecord, NDR_IN, r);
+	}
+	return ret;
+}
+
+static WERROR dcesrv_DnssrvOperation2(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx, struct DnssrvOperation2 *r)
+{
+	struct dnsserver_state *dsstate;
+	struct dnsserver_zone *z = NULL;
+	uint32_t request_filter = 0;
+	WERROR ret;
+
+	if ((dsstate = dnsserver_connect(dce_call)) == NULL) {
+		return WERR_DNS_ERROR_DS_UNAVAILABLE;
+	}
+
+	if (r->in.dwContext == 0) {
+		if (r->in.pszZone != NULL) {
+			request_filter = dnsserver_zone_to_request_filter(r->in.pszZone);
+		}
+	} else {
+		request_filter = r->in.dwContext;
+	}
+
+	if (r->in.pszZone == NULL) {
+		ret = dnsserver_operate_server(dsstate, mem_ctx,
+						r->in.pszOperation,
+						r->in.dwClientVersion,
+						r->in.dwTypeId,
+						&r->in.pData);
+	} else {
+		ret = dnsserver_operate_zone(dsstate, mem_ctx, z,
+						request_filter,
+						r->in.pszOperation,
+						r->in.dwClientVersion,
+						r->in.dwTypeId,
+						&r->in.pData);
+	}
+
+	if (W_ERROR_EQUAL(ret, WERR_CALL_NOT_IMPLEMENTED)) {
+		NDR_PRINT_FUNCTION_DEBUG(DnssrvOperation2, NDR_IN, r);
+	}
+	return ret;
+}
+
+static WERROR dcesrv_DnssrvQuery2(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx, struct DnssrvQuery2 *r)
+{
+	struct dnsserver_state *dsstate;
+	struct dnsserver_zone *z;
+	WERROR ret;
+
+	ZERO_STRUCTP(r->out.pdwTypeId);
+	ZERO_STRUCTP(r->out.ppData);
+
+	if ((dsstate = dnsserver_connect(dce_call)) == NULL) {
+		return WERR_DNS_ERROR_DS_UNAVAILABLE;
+	}
+
+	if (r->in.pszZone == NULL) {
+		/* FIXME: DNS Server Configuration Access Control List */
+		ret = dnsserver_query_server(dsstate, mem_ctx,
+						r->in.pszOperation,
+						r->in.dwClientVersion,
+						r->out.pdwTypeId,
+						r->out.ppData);
+	} else {
+		z = dnsserver_find_zone(dsstate->zones, r->in.pszZone);
+		if (z == NULL) {
+			return WERR_DNS_ERROR_ZONE_DOES_NOT_EXIST;
+		}
+
+		ret = dnsserver_query_zone(dsstate, mem_ctx, z,
+					r->in.pszOperation,
+					r->in.dwClientVersion,
+					r->out.pdwTypeId,
+					r->out.ppData);
+	}
+
+	if (W_ERROR_EQUAL(ret, WERR_CALL_NOT_IMPLEMENTED)) {
+		NDR_PRINT_FUNCTION_DEBUG(DnssrvQuery2, NDR_IN, r);
+	}
+	return ret;
+}
+
+static WERROR dcesrv_DnssrvComplexOperation2(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx, struct DnssrvComplexOperation2 *r)
+{
+	struct dnsserver_state *dsstate;
+	struct dnsserver_zone *z;
+	WERROR ret;
+
+	ZERO_STRUCTP(r->out.pdwTypeOut);
+	ZERO_STRUCTP(r->out.ppDataOut);
+
+	if ((dsstate = dnsserver_connect(dce_call)) == NULL) {
+		return WERR_DNS_ERROR_DS_UNAVAILABLE;
+	}
+
+	if (r->in.pszZone == NULL) {
+		/* Server operation */
+		ret =  dnsserver_complex_operate_server(dsstate, mem_ctx,
+							r->in.pszOperation,
+							r->in.dwClientVersion,
+							r->in.dwTypeIn,
+							&r->in.pDataIn,
+							r->out.pdwTypeOut,
+							r->out.ppDataOut);
+	} else {
+
+		z = dnsserver_find_zone(dsstate->zones, r->in.pszZone);
+		if (z == NULL) {
+			return WERR_DNS_ERROR_ZONE_DOES_NOT_EXIST;
+		}
+
+		ret = dnsserver_complex_operate_zone(dsstate, mem_ctx, z,
+							r->in.pszOperation,
+							r->in.dwClientVersion,
+							r->in.dwTypeIn,
+							&r->in.pDataIn,
+							r->out.pdwTypeOut,
+							r->out.ppDataOut);
+	}
+
+	if (W_ERROR_EQUAL(ret, WERR_CALL_NOT_IMPLEMENTED)) {
+		NDR_PRINT_FUNCTION_DEBUG(DnssrvComplexOperation2, NDR_IN, r);
+	}
+	return ret;
+}
+
+static WERROR dcesrv_DnssrvEnumRecords2(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx, struct DnssrvEnumRecords2 *r)
+{
+	struct dnsserver_state *dsstate;
+	struct dnsserver_zone *z;
+	WERROR ret;
+
+	ZERO_STRUCTP(r->out.pdwBufferLength);
+	ZERO_STRUCTP(r->out.pBuffer);
+
+	if ((dsstate = dnsserver_connect(dce_call)) == NULL) {
+		return WERR_DNS_ERROR_DS_UNAVAILABLE;
+	}
+
+	if (r->in.pszZone == NULL) {
+		return WERR_DNS_ERROR_NAME_DOES_NOT_EXIST;
+	}
+
+	if (strcasecmp(r->in.pszZone, "..RootHints") == 0) {
+		ret =  dnsserver_enumerate_root_records(dsstate, mem_ctx,
+					r->in.dwClientVersion,
+					r->in.pszNodeName,
+					r->in.wRecordType,
+					r->in.fSelectFlag,
+					r->out.pdwBufferLength,
+					r->out.pBuffer);
+	} else {
+		z = dnsserver_find_zone(dsstate->zones, r->in.pszZone);
+		if (z == NULL) {
+			return WERR_DNS_ERROR_NAME_DOES_NOT_EXIST;
+		}
+
+		ret =  dnsserver_enumerate_records(dsstate, mem_ctx, z,
+					r->in.dwClientVersion,
+					r->in.pszNodeName,
+					r->in.pszStartChild,
+					r->in.wRecordType,
+					r->in.fSelectFlag,
+					r->in.pszFilterStart,
+					r->in.pszFilterStop,
+					r->out.pdwBufferLength,
+					r->out.pBuffer);
+
+	}
+
+	if (W_ERROR_EQUAL(ret, WERR_CALL_NOT_IMPLEMENTED)) {
+		NDR_PRINT_FUNCTION_DEBUG(DnssrvEnumRecords2, NDR_IN, r);
+	}
+	return ret;
+}
+
+static WERROR dcesrv_DnssrvUpdateRecord2(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx, struct DnssrvUpdateRecord2 *r)
+{
+	struct dnsserver_state *dsstate;
+	struct dnsserver_zone *z;
+	WERROR ret;
+
+	if ((dsstate = dnsserver_connect(dce_call)) == NULL) {
+		return WERR_DNS_ERROR_DS_UNAVAILABLE;
+	}
+
+	if (r->in.pszZone == NULL) {
+		return WERR_DNS_ERROR_NAME_DOES_NOT_EXIST;
+	}
+
+	z = dnsserver_find_zone(dsstate->zones, r->in.pszZone);
+	if (z == NULL) {
+		return WERR_DNS_ERROR_NAME_DOES_NOT_EXIST;
+	}
+
+	ret = dnsserver_update_record(dsstate, mem_ctx, z,
+					r->in.dwClientVersion,
+					r->in.pszNodeName,
+					r->in.pAddRecord,
+					r->in.pDeleteRecord);
+
+	if (W_ERROR_EQUAL(ret, WERR_CALL_NOT_IMPLEMENTED)) {
+		NDR_PRINT_FUNCTION_DEBUG(DnssrvUpdateRecord2, NDR_IN, r);
+	}
+	return ret;
+}
+
+/* include the generated boilerplate */
+#include "librpc/gen_ndr/ndr_dnsserver_s.c"
diff --git a/source4/rpc_server/dnsserver/dnsdata.c b/source4/rpc_server/dnsserver/dnsdata.c
new file mode 100644
index 0000000000..486290dd9b
--- /dev/null
+++ b/source4/rpc_server/dnsserver/dnsdata.c
@@ -0,0 +1,795 @@
+/*
+   Unix SMB/CIFS implementation.
+
+   DNS Server
+
+   Copyright (C) Amitay Isaacs 2011
+
+   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 "includes.h"
+#include "dnsserver.h"
+#include "lib/replace/system/network.h"
+#include "librpc/gen_ndr/ndr_dnsp.h"
+#include "librpc/gen_ndr/ndr_dnsserver.h"
+
+
+struct IP4_ARRAY *ip4_array_copy(TALLOC_CTX *mem_ctx, struct IP4_ARRAY *ip4)
+{
+	struct IP4_ARRAY *ret;
+
+	if (!ip4) {
+		return NULL;
+	}
+
+	ret = talloc_zero(mem_ctx, struct IP4_ARRAY);
+	if (!ret) {
+		return ret;
+	}
+
+	ret->AddrCount = ip4->AddrCount;
+	if (ip4->AddrCount > 0) {
+		ret->AddrArray = talloc_zero_array(mem_ctx, unsigned int, ip4->AddrCount);
+		if (ret->AddrArray) {
+			memcpy(ret->AddrArray, ip4->AddrArray,
+				sizeof(unsigned int) * ip4->AddrCount);
+		} else {
+			talloc_free(ret);
+			return NULL;
+		}
+	}
+	return ret;
+}
+
+
+struct DNS_ADDR_ARRAY *ip4_array_to_dns_addr_array(TALLOC_CTX *mem_ctx,
+							struct IP4_ARRAY *ip4)
+{
+	struct DNS_ADDR_ARRAY *ret;
+	int i;
+
+	if (!ip4) {
+		return NULL;
+	}
+
+	ret = talloc_zero(mem_ctx, struct DNS_ADDR_ARRAY);
+	if (!ret) {
+		return ret;
+	}
+
+	ret->MaxCount = ip4->AddrCount;
+	ret->AddrCount = ip4->AddrCount;
+	ret->Family = AF_INET;
+	if (ip4->AddrCount > 0) {
+		ret->AddrArray = talloc_zero_array(mem_ctx, struct DNS_ADDR, ip4->AddrCount);
+		if (ret->AddrArray) {
+			for (i=0; i<ip4->AddrCount; i++) {
+				ret->AddrArray[i].MaxSa[0] = 0x02;
+				ret->AddrArray[i].MaxSa[3] = 53;
+				memcpy(&ret->AddrArray[i].MaxSa[4], ip4->AddrArray,
+					sizeof(unsigned int));
+				ret->AddrArray[i].DnsAddrUserDword[0] = 6;
+			}
+
+		} else {
+			talloc_free(ret);
+			return NULL;
+		}
+	}
+	return ret;
+}
+
+
+struct DNS_ADDR_ARRAY *dns_addr_array_copy(TALLOC_CTX *mem_ctx,
+						struct DNS_ADDR_ARRAY *addr)
+{
+	struct DNS_ADDR_ARRAY *ret;
+
+	if (!addr) {
+		return NULL;
+	}
+
+	ret = talloc_zero(mem_ctx, struct DNS_ADDR_ARRAY);
+	if (!ret) {
+		return ret;
+	}
+
+	ret->MaxCount = addr->MaxCount;
+	ret->AddrCount = addr->AddrCount;
+	ret->Family = addr->Family;
+	if (addr->AddrCount > 0) {
+		ret->AddrArray = talloc_zero_array(mem_ctx, struct DNS_ADDR, addr->AddrCount);
+		if (ret->AddrArray) {
+			memcpy(ret->AddrArray, addr->AddrArray,
+				sizeof(struct DNS_ADDR) * addr->AddrCount);
+		} else {
+			talloc_free(ret);
+			return NULL;
+		}
+	}
+	return ret;
+}
+
+
+int dns_split_name_components(TALLOC_CTX *tmp_ctx, const char *name, char ***components)
+{
+	char *str = NULL, *ptr, **list;
+	int count = 0;
+
+	str = talloc_strdup(tmp_ctx, name);
+	if (!str) {
+		goto failed;
+	}
+
+	list = talloc_zero_array(tmp_ctx, char *, 0);
+	if (!list) {
+		goto failed;
+	}
+
+	ptr = strtok(str, ".");
+	while (ptr != NULL) {
+		count++;
+		list = talloc_realloc(tmp_ctx, list, char *, count);
+		if (!list) {
+			goto failed;
+		}
+		list[count-1] = talloc_strdup(tmp_ctx, ptr);
+		if (list[count-1] == NULL) {
+			goto failed;
+		}
+		ptr = strtok(NULL, ".");
+	}
+
+	talloc_free(str);
+
+	*components = list;
+	return count;
+
+failed:
+	if (str) {
+		talloc_free(str);
+	}
+	return -1;
+}
+
+
+char *dns_split_node_name(TALLOC_CTX *tmp_ctx, const char *node_name, const char *zone_name)
+{
+	char **nlist, **zlist;
+	char *prefix;
+	int ncount, zcount, i, match;
+
+	/*
+	 * If node_name is "@", return the zone_name
+	 * If node_name is ".", return NULL
+	 * If there is no '.' in node_name, return the node_name as is.
+	 *
+	 * If node_name does not have zone_name in it, return the node_name as is.
+	 *
+	 * If node_name has additional components as compared to zone_name
+	 *  return only the additional components as a prefix.
+	 *
+	 */
+	if (strcmp(node_name, "@") == 0) {
+		prefix = talloc_strdup(tmp_ctx, zone_name);
+	} else if (strcmp(node_name, ".") == 0) {
+		prefix = NULL;
+	} else if (strchr(node_name, '.') == NULL) {
+		prefix = talloc_strdup(tmp_ctx, node_name);
+	} else {
+		zcount = dns_split_name_components(tmp_ctx, zone_name, &zlist);
+		ncount = dns_split_name_components(tmp_ctx, node_name, &nlist);
+		if (zcount < 0 || ncount < 0) {
+			return NULL;
+		}
+
+		if (ncount < zcount) {
+			prefix = talloc_strdup(tmp_ctx, node_name);
+		} else {
+			match = 0;
+			for (i=1; i<=zcount; i++) {
+				if (strcmp(nlist[ncount-i], zlist[zcount-i]) != 0) {
+					break;
+				}
+				match++;
+			}
+
+			if (match == ncount) {
+				prefix = talloc_strdup(tmp_ctx, zone_name);
+			} else {
+				prefix = talloc_strdup(tmp_ctx, nlist[0]);
+				if (prefix != NULL) {
+					for (i=1; i<ncount-match; i++) {
+						prefix = talloc_asprintf_append(prefix, ".%s", nlist[i]);
+						if (prefix == NULL) {
+							break;
+						}
+					}
+				}
+			}
+		}
+
+		talloc_free(zlist);
+		talloc_free(nlist);
+	}
+
+	return prefix;
+}
+
+
+void dnsp_to_dns_copy(TALLOC_CTX *mem_ctx, struct dnsp_DnssrvRpcRecord *dnsp,
+				struct DNS_RPC_RECORD *dns)
+{
+	int len;
+
+	ZERO_STRUCTP(dns);
+
+	dns->wDataLength = dnsp->wDataLength;
+	dns->wType = dnsp->wType;
+	dns->dwFlags = dnsp->rank;
+	dns->dwSerial = dnsp->dwSerial;
+	dns->dwTtlSeconds = dnsp->dwTtlSeconds;
+	dns->dwTimeStamp = dnsp->dwTimeStamp;
+
+	switch (dnsp->wType) {
+
+	case DNS_TYPE_TOMBSTONE:
+		dns->data.timestamp = dnsp->data.timestamp;
+		break;
+
+	case DNS_TYPE_A:
+		dns->data.ipv4 = talloc_strdup(mem_ctx, dnsp->data.ipv4);
+		break;
+
+	case DNS_TYPE_NS:
+		len = strlen(dnsp->data.ns);
+		if (dnsp->data.ns[len-1] == '.') {
+			dns->data.name.len = len;
+			dns->data.name.str = talloc_strdup(mem_ctx, dnsp->data.ns);
+		} else {
+			dns->data.name.len = len+1;
+			dns->data.name.str = talloc_asprintf(mem_ctx, "%s.", dnsp->data.ns);
+		}
+		break;
+
+	case DNS_TYPE_CNAME:
+		len = strlen(dnsp->data.cname);
+		if (dnsp->data.cname[len-1] == '.') {
+			dns->data.name.len = len;
+			dns->data.name.str = talloc_strdup(mem_ctx, dnsp->data.cname);
+		} else {
+			dns->data.name.len = len+1;
+			dns->data.name.str = talloc_asprintf(mem_ctx, "%s.", dnsp->data.cname);
+		}
+		break;
+
+	case DNS_TYPE_SOA:
+		dns->data.soa.dwSerialNo = dnsp->data.soa.serial;
+		dns->data.soa.dwRefresh = dnsp->data.soa.refresh;
+		dns->data.soa.dwRetry = dnsp->data.soa.retry;
+		dns->data.soa.dwExpire = dnsp->data.soa.expire;
+		dns->data.soa.dwMinimumTtl = dnsp->data.soa.minimum;
+
+		len = strlen(dnsp->data.soa.mname);
+		if (dnsp->data.soa.mname[len-1] == '.') {
+			dns->data.soa.NamePrimaryServer.len = len;
+			dns->data.soa.NamePrimaryServer.str = talloc_strdup(mem_ctx, dnsp->data.soa.mname);
+		} else {
+			dns->data.soa.NamePrimaryServer.len = len+1;
+			dns->data.soa.NamePrimaryServer.str = talloc_asprintf(mem_ctx, "%s.", dnsp->data.soa.mname);
+		}
+
+		len = strlen(dnsp->data.soa.rname);
+		if (dnsp->data.soa.rname[len-1] == '.') {
+			dns->data.soa.ZoneAdministratorEmail.len = len;
+			dns->data.soa.ZoneAdministratorEmail.str = talloc_strdup(mem_ctx, dnsp->data.soa.rname);
+		} else {
+			dns->data.soa.ZoneAdministratorEmail.len = len+1;
+			dns->data.soa.ZoneAdministratorEmail.str = talloc_asprintf(mem_ctx, "%s.", dnsp->data.soa.rname);
+		}
+		break;
+
+	case DNS_TYPE_PTR:
+		dns->data.ptr.len = strlen(dnsp->data.ptr);
+		dns->data.ptr.str = talloc_strdup(mem_ctx, dnsp->data.ptr);
+		break;
+
+	case DNS_TYPE_MX:
+		dns->data.mx.wPreference = dnsp->data.mx.wPriority;
+		len = strlen(dnsp->data.mx.nameTarget);
+		if (dnsp->data.mx.nameTarget[len-1] == '.') {
+			dns->data.mx.nameExchange.len = len;
+			dns->data.mx.nameExchange.str = talloc_strdup(mem_ctx, dnsp->data.mx.nameTarget);
+		} else {
+			dns->data.mx.nameExchange.len = len+1;
+			dns->data.mx.nameExchange.str = talloc_asprintf(mem_ctx, "%s.", dnsp->data.mx.nameTarget);
+		}
+		break;
+
+	case DNS_TYPE_TXT:
+		dns->data.name.len = strlen(dnsp->data.txt);
+		dns->data.name.str = talloc_strdup(mem_ctx, dnsp->data.txt);
+		break;
+
+	case DNS_TYPE_AAAA:
+		dns->data.ipv6 = talloc_strdup(mem_ctx, dnsp->data.ipv6);
+		break;
+
+	case DNS_TYPE_SRV:
+		dns->data.srv.wPriority = dnsp->data.srv.wPriority;
+		dns->data.srv.wWeight = dnsp->data.srv.wWeight;
+		dns->data.srv.wPort = dnsp->data.srv.wPort;
+		len = strlen(dnsp->data.srv.nameTarget);
+		if (dnsp->data.srv.nameTarget[len-1] == '.') {
+			dns->data.srv.nameTarget.len = len;
+			dns->data.srv.nameTarget.str = talloc_strdup(mem_ctx, dnsp->data.srv.nameTarget);
+		} else {
+			dns->data.srv.nameTarget.len = len+1;
+			dns->data.srv.nameTarget.str = talloc_asprintf(mem_ctx, "%s.", dnsp->data.srv.nameTarget);
+		}
+		break;
+
+	default:
+		memcpy(&dns->data, &dnsp->data, sizeof(union DNS_RPC_DATA));
+		DEBUG(0, ("dnsserver: Found Unhandled DNS record type=%d", dnsp->wType));
+	}
+
+}
+
+
+struct dnsp_DnssrvRpcRecord *dns_to_dnsp_copy(TALLOC_CTX *mem_ctx, struct DNS_RPC_RECORD *dns)
+{
+	int len;
+	struct dnsp_DnssrvRpcRecord *dnsp;
+
+	dnsp = talloc_zero(mem_ctx, struct dnsp_DnssrvRpcRecord);
+	if (dnsp == NULL) {
+		return NULL;
+	}
+
+	dnsp->wDataLength = dns->wDataLength;
+	dnsp->wType = dns->wType;
+	dnsp->version = 5;
+	dnsp->rank = dns->dwFlags & 0x000000FF;
+	dnsp->dwSerial = dns->dwSerial;
+	dnsp->dwTtlSeconds = dns->dwTtlSeconds;
+	dnsp->dwTimeStamp = dns->dwTimeStamp;
+
+	switch (dns->wType) {
+
+	case DNS_TYPE_TOMBSTONE:
+		dnsp->data.timestamp = dns->data.timestamp;
+		break;
+
+	case DNS_TYPE_A:
+		dnsp->data.ipv4 = talloc_strdup(mem_ctx, dns->data.ipv4);
+		break;
+
+	case DNS_TYPE_NS:
+		len = dns->data.name.len;
+		if (dns->data.name.str[len-1] == '.') {
+			dnsp->data.ns = talloc_strndup(mem_ctx, dns->data.name.str, len-1);
+		} else {
+			dnsp->data.ns = talloc_strdup(mem_ctx, dns->data.name.str);
+		}
+		break;
+
+	case DNS_TYPE_CNAME:
+		len = dns->data.name.len;
+		if (dns->data.name.str[len-1] == '.') {
+			dnsp->data.cname = talloc_strndup(mem_ctx, dns->data.name.str, len-1);
+		} else {
+			dnsp->data.cname = talloc_strdup(mem_ctx, dns->data.name.str);
+		}
+		break;
+
+	case DNS_TYPE_SOA:
+		dnsp->data.soa.serial = dns->data.soa.dwSerialNo;
+		dnsp->data.soa.refresh = dns->data.soa.dwRefresh;
+		dnsp->data.soa.retry = dns->data.soa.dwRetry;
+		dnsp->data.soa.expire = dns->data.soa.dwExpire;
+		dnsp->data.soa.minimum = dns->data.soa.dwMinimumTtl;
+
+		len = dns->data.soa.NamePrimaryServer.len;
+		if (dns->data.soa.NamePrimaryServer.str[len-1] == '.') {
+			dnsp->data.soa.mname = talloc_strdup(mem_ctx, dns->data.soa.NamePrimaryServer.str);
+		} else {
+			dnsp->data.soa.mname = talloc_strndup(mem_ctx, dns->data.soa.NamePrimaryServer.str, len-1);
+		}
+
+		len = dns->data.soa.ZoneAdministratorEmail.len;
+		if (dns->data.soa.ZoneAdministratorEmail.str[len-1] == '.') {
+			dnsp->data.soa.rname = talloc_strndup(mem_ctx, dns->data.soa.ZoneAdministratorEmail.str, len-1);
+		} else {
+			dnsp->data.soa.rname = talloc_strdup(mem_ctx, dns->data.soa.ZoneAdministratorEmail.str);
+		}
+		break;
+
+	case DNS_TYPE_PTR:
+		dnsp->data.ptr = talloc_strdup(mem_ctx, dns->data.ptr.str);
+		break;
+
+	case DNS_TYPE_MX:
+		dnsp->data.mx.wPriority = dns->data.mx.wPreference;
+		len = dns->data.mx.nameExchange.len;
+		if (dns->data.mx.nameExchange.str[len-1] == '.') {
+			dnsp->data.mx.nameTarget = talloc_strndup(mem_ctx, dns->data.mx.nameExchange.str, len-1);
+		} else {
+			dnsp->data.mx.nameTarget = talloc_strdup(mem_ctx, dns->data.mx.nameExchange.str);
+		}
+		break;
+
+	case DNS_TYPE_TXT:
+		dnsp->data.txt = talloc_strdup(mem_ctx, dns->data.name.str);
+		break;
+
+	case DNS_TYPE_AAAA:
+		dnsp->data.ipv6 = talloc_strdup(mem_ctx, dns->data.ipv6);
+		break;
+
+	case DNS_TYPE_SRV:
+		dnsp->data.srv.wPriority = dns->data.srv.wPriority;
+		dnsp->data.srv.wWeight = dns->data.srv.wWeight;
+		dnsp->data.srv.wPort = dns->data.srv.wPort;
+
+		len = dns->data.srv.nameTarget.len;
+		if (dns->data.srv.nameTarget.str[len-1] == '.') {
+			dnsp->data.srv.nameTarget = talloc_strndup(mem_ctx, dns->data.srv.nameTarget.str, len-1);
+		} else {
+			dnsp->data.srv.nameTarget = talloc_strdup(mem_ctx, dns->data.srv.nameTarget.str);
+		}
+		break;
+
+	default:
+		memcpy(&dnsp->data, &dns->data, sizeof(union dnsRecordData));
+		DEBUG(0, ("dnsserver: Found Unhandled DNS record type=%d", dns->wType));
+
+	}
+
+	return dnsp;
+}
+
+
+static void _dns_add_name(TALLOC_CTX *mem_ctx, const char *name, char ***add_names, int *add_count)
+{
+	int i;
+	char **ptr = *add_names;
+	int count = *add_count;
+
+	for (i=0; i<count; i++) {
+		if (strcmp(ptr[i], name) == 0) {
+			return;
+		}
+	}
+
+	ptr = talloc_realloc(mem_ctx, ptr, char *, count+1);
+	if (ptr == NULL) {
+		return;
+	}
+
+	ptr[count] = talloc_strdup(mem_ctx, name);
+	if (ptr[count] == NULL) {
+		return;
+	}
+
+	*add_names = ptr;
+	*add_count = count+1;
+}
+
+
+static void dns_find_additional_names(TALLOC_CTX *mem_ctx, struct dnsp_DnssrvRpcRecord *rec, char ***add_names, int *add_count)
+{
+	if (add_names == NULL) {
+		return;
+	}
+
+	switch (rec->wType) {
+
+	case DNS_TYPE_NS:
+		_dns_add_name(mem_ctx, rec->data.ns, add_names, add_count);
+		break;
+
+	case DNS_TYPE_CNAME:
+		_dns_add_name(mem_ctx, rec->data.cname, add_names, add_count);
+		break;
+
+	case DNS_TYPE_SOA:
+		_dns_add_name(mem_ctx, rec->data.soa.mname, add_names, add_count);
+		break;
+
+	case DNS_TYPE_MX:
+		_dns_add_name(mem_ctx, rec->data.mx.nameTarget, add_names, add_count);
+		break;
+
+	case DNS_TYPE_SRV:
+		_dns_add_name(mem_ctx, rec->data.srv.nameTarget, add_names, add_count);
+		break;
+
+	default:
+		break;
+	}
+}
+
+
+WERROR dns_fill_records_array(TALLOC_CTX *mem_ctx,
+				struct dnsserver_zone *z,
+				enum dns_record_type record_type,
+				unsigned int select_flag,
+				const char *branch_name,
+				struct ldb_message *msg,
+				struct DNS_RPC_RECORDS_ARRAY *recs,
+				char ***add_names,
+				int *add_count)
+{
+	const char *nodename;
+	struct ldb_message_element *el;
+	int i, j;
+	bool found, node_is_rootzone;
+
+	/* Check if we already have created record for the branch */
+	found = false;
+	if (branch_name == NULL) {
+		i = 0;
+		if (recs->count > 0) {
+			found = true;
+		}
+	} else {
+		for (i=0; i<recs->count; i++) {
+			if (strcmp(branch_name, recs->rec[i].dnsNodeName.str) == 0) {
+				found = true;
+				break;
+			}
+		}
+	}
+
+	/* If not, add empty record */
+	if (!found) {
+		if (recs->count == 0) {
+			recs->rec = talloc_zero(recs, struct DNS_RPC_RECORDS);
+		} else {
+			recs->rec = talloc_realloc(recs, recs->rec, struct DNS_RPC_RECORDS, recs->count+1);
+		}
+		if (recs->rec == NULL) {
+			return WERR_NOMEM;
+		}
+		i = recs->count;
+		recs->rec[i].wLength = 0;
+		recs->rec[i].wRecordCount = 0;
+		recs->rec[i].dwChildCount = 0;
+
+		/* The base records returned with empty name */
+		/* Children records returned with names */
+		if (branch_name == NULL) {
+			recs->rec[i].dnsNodeName.str = talloc_strdup(recs, "");
+			recs->rec[i].dnsNodeName.len = 0;
+		} else {
+			recs->rec[i].dnsNodeName.str = talloc_strdup(recs, branch_name);
+			recs->rec[i].dnsNodeName.len = strlen(branch_name);
+		}
+		recs->rec[i].records = talloc_zero_array(recs, struct DNS_RPC_RECORD, 0);
+		recs->count++;
+	}
+
+	/* Allow empty records */
+	if (msg == NULL) {
+		return WERR_OK;
+	}
+
+	nodename = ldb_msg_find_attr_as_string(msg, "name", NULL);
+
+	if (strcmp(nodename, "@") == 0) {
+		node_is_rootzone = true;
+	} else {
+		node_is_rootzone = false;
+
+		/* child record */
+		if (branch_name != NULL) {
+			if (branch_name[strlen(branch_name)-1] != '.'
+				&& strcmp(nodename, branch_name) != 0) {
+				recs->rec[i].dwChildCount++;
+				return WERR_OK;
+			}
+		}
+	}
+
+	el = ldb_msg_find_element(msg, "dnsRecord");
+	if (el == NULL || el->values == 0) {
+		DEBUG(0, ("dnsserver: Missing dnsRecord for %s\n", ldb_dn_get_linearized(msg->dn)));
+		return WERR_OK;
+	}
+
+	/* branch level record */
+	for (j=0; j<el->num_values; j++) {
+		struct dnsp_DnssrvRpcRecord dnsp_rec;
+		struct DNS_RPC_RECORD *dns_rec;
+		enum ndr_err_code ndr_err;
+
+		ndr_err = ndr_pull_struct_blob(&el->values[j], mem_ctx, &dnsp_rec,
+					(ndr_pull_flags_fn_t)ndr_pull_dnsp_DnssrvRpcRecord);
+		if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+			DEBUG(0, ("dnsserver: Unable to parse dns record (%s)", ldb_dn_get_linearized(msg->dn)));
+			return WERR_INTERNAL_DB_ERROR;
+		}
+
+		/* Match the records based on search criteria */
+		if (record_type == DNS_TYPE_ALL || dnsp_rec.wType == record_type) {
+			found = false;
+
+			if (select_flag & DNS_RPC_VIEW_AUTHORITY_DATA) {
+				if (dnsp_rec.rank == DNS_RANK_ZONE) {
+					found = true;
+				}
+			}
+			if (select_flag & DNS_RPC_VIEW_CACHE_DATA) {
+				if (dnsp_rec.rank == DNS_RANK_ZONE) {
+					found = true;
+				}
+			}
+			if (select_flag & DNS_RPC_VIEW_GLUE_DATA) {
+				if (dnsp_rec.rank == DNS_RANK_NS_GLUE) {
+					found = true;
+				}
+			}
+			if (select_flag & DNS_RPC_VIEW_ROOT_HINT_DATA) {
+				if (dnsp_rec.rank == DNS_RANK_ROOT_HINT) {
+					found = true;
+				}
+			}
+
+			if (found) {
+				recs->rec[i].records = talloc_realloc(recs,
+							recs->rec[i].records,
+							struct DNS_RPC_RECORD,
+							recs->rec[i].wRecordCount+1);
+				if (recs->rec[i].records == NULL) {
+					return WERR_NOMEM;
+				}
+
+				dns_rec = &recs->rec[i].records[recs->rec[i].wRecordCount];
+				dnsp_to_dns_copy(recs, &dnsp_rec, dns_rec);
+
+				/* Fix record flags */
+				if (node_is_rootzone) {
+					dns_rec->dwFlags |= (DNS_RPC_FLAG_ZONE_ROOT | DNS_RPC_FLAG_AUTH_ZONE_ROOT);
+				}
+
+				if (dns_rec->dwFlags == DNS_RANK_NS_GLUE) {
+					dns_rec->dwFlags |= DNS_RPC_FLAG_ZONE_ROOT;
+				}
+
+				recs->rec[i].wRecordCount++;
+
+				dns_find_additional_names(mem_ctx, &dnsp_rec, add_names, add_count);
+			}
+		}
+	}
+
+	return WERR_OK;
+}
+
+
+int dns_name_compare(const struct ldb_message **m1, const struct ldb_message **m2,
+				char *search_name)
+{
+	const char *name1, *name2;
+	const char *ptr1, *ptr2;
+
+	name1 = ldb_msg_find_attr_as_string(*m1, "name", NULL);
+	name2 = ldb_msg_find_attr_as_string(*m2, "name", NULL);
+	if (name1 == NULL || name2 == NULL) {
+		return 0;
+	}
+
+	/* '@' record and the search_name record gets preference */
+	if (name1[0] == '@') {
+		return -1;
+	}
+	if (search_name && strcmp(name1, search_name) == 0) {
+		return -1;
+	}
+
+	if (name2[0] == '@') {
+		return 1;
+	}
+	if (search_name && strcmp(name2, search_name) == 0) {
+		return 1;
+	}
+
+	ptr1 = strrchr(name1, '.');
+	if (ptr1 == NULL) {
+		ptr1 = name1;
+	} else {
+		ptr1 = &ptr1[1];
+	}
+
+	ptr2 = strrchr(name2, '.');
+	if (ptr2 == NULL) {
+		ptr2 = name2;
+	} else {
+		ptr2 = &ptr2[1];
+	}
+
+	return strcasecmp(ptr1, ptr2);
+}
+
+
+bool dns_name_equal(const char *name1, const char *name2)
+{
+	size_t len1 = strlen(name1);
+	size_t len2 = strlen(name2);
+
+	if (name1[len1-1] == '.') len1--;
+	if (name2[len2-1] == '.') len2--;
+	if (len1 != len2) {
+		return false;
+	}
+	return strncasecmp(name1, name2, len1) == 0;
+}
+
+
+bool dns_record_match(struct dnsp_DnssrvRpcRecord *rec1, struct dnsp_DnssrvRpcRecord *rec2)
+{
+	if (rec1->wType != rec2->wType) {
+		return false;
+	}
+
+	switch(rec1->wType) {
+	case DNS_TYPE_TOMBSTONE:
+		return true;
+
+	case DNS_TYPE_A:
+		return strcmp(rec1->data.ipv4, rec2->data.ipv4) == 0;
+
+	case DNS_TYPE_NS:
+		return dns_name_equal(rec1->data.ns, rec1->data.ns);
+
+	case DNS_TYPE_CNAME:
+		return dns_name_equal(rec1->data.cname, rec1->data.cname);
+
+	case DNS_TYPE_SOA:
+		return dns_name_equal(rec1->data.soa.mname, rec2->data.soa.mname) == 0 &&
+			dns_name_equal(rec1->data.soa.rname, rec2->data.soa.rname) == 0 &&
+			rec1->data.soa.serial == rec2->data.soa.serial &&
+			rec1->data.soa.refresh == rec2->data.soa.refresh &&
+			rec1->data.soa.retry == rec2->data.soa.retry &&
+			rec1->data.soa.expire == rec2->data.soa.expire &&
+			rec1->data.soa.minimum == rec2->data.soa.minimum;
+
+	case DNS_TYPE_PTR:
+		return strcmp(rec1->data.ptr, rec2->data.ptr) == 0;
+
+	case DNS_TYPE_MX:
+		return rec1->data.mx.wPriority == rec2->data.srv.wPriority &&
+			dns_name_equal(rec1->data.mx.nameTarget, rec2->data.srv.nameTarget);
+
+	case DNS_TYPE_TXT:
+		return strcmp(rec1->data.txt, rec2->data.txt) == 0;
+
+	case DNS_TYPE_AAAA:
+		return strcmp(rec1->data.ipv6, rec2->data.ipv6) == 0;
+
+	case DNS_TYPE_SRV:
+		return rec1->data.srv.wPriority == rec2->data.srv.wPriority &&
+			rec1->data.srv.wWeight == rec2->data.srv.wWeight &&
+			rec1->data.srv.wPort == rec2->data.srv.wPort &&
+			dns_name_equal(rec1->data.srv.nameTarget, rec2->data.srv.nameTarget);
+
+	default:
+		DEBUG(0, ("dnsserver: unhandled record type %u", rec1->wType));
+		break;
+	}
+
+	return false;
+}
diff --git a/source4/rpc_server/dnsserver/dnsdb.c b/source4/rpc_server/dnsserver/dnsdb.c
new file mode 100644
index 0000000000..ac881905ab
--- /dev/null
+++ b/source4/rpc_server/dnsserver/dnsdb.c
@@ -0,0 +1,418 @@
+/*
+   Unix SMB/CIFS implementation.
+
+   DNS Server
+
+   Copyright (C) Amitay Isaacs 2011
+
+   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 "includes.h"
+#include "dnsserver.h"
+#include "lib/util/dlinklist.h"
+#include "librpc/gen_ndr/ndr_dnsp.h"
+
+struct dnsserver_zone *dnsserver_db_enumerate_zones(TALLOC_CTX *mem_ctx,
+						struct ldb_context *samdb,
+						bool is_forest)
+{
+	TALLOC_CTX *tmp_ctx;
+	const char *domain_prefix = "DC=DomainDnsZones";
+	const char *forest_prefix = "DC=ForestDnsZones";
+	const char *prefix;
+	const char * const attrs[] = {"name", NULL};
+	struct ldb_dn *dn_base, *partition_dn, *dn;
+	struct ldb_result *res;
+	struct dnsserver_zone *zones, *z;
+	int i, ret;
+
+	tmp_ctx = talloc_new(mem_ctx);
+	if (tmp_ctx == NULL) {
+		return NULL;
+	}
+
+	if (is_forest) {
+		dn_base = ldb_get_root_basedn(samdb);
+	} else {
+		dn_base = ldb_get_default_basedn(samdb);
+	}
+
+	partition_dn = ldb_dn_copy(tmp_ctx, dn_base);
+	if (partition_dn == NULL) {
+		goto failed;
+	}
+
+	if (is_forest) {
+		prefix = forest_prefix;
+	} else {
+		prefix = domain_prefix;
+	}
+
+	if (!ldb_dn_add_child_fmt(partition_dn, "%s", prefix)) {
+		goto failed;
+	}
+
+	dn = ldb_dn_copy(tmp_ctx, partition_dn);
+	if (dn == NULL) {
+		goto failed;
+	}
+	if (!ldb_dn_add_child_fmt(dn, "CN=MicrosoftDNS")) {
+		goto failed;
+	}
+
+	ret = ldb_search(samdb, tmp_ctx, &res, dn, LDB_SCOPE_SUBTREE,
+			  attrs, "(&(objectClass=dnsZone)(!(name=RootDNSServers)))");
+	if (ret != LDB_SUCCESS) {
+		DEBUG(0, ("dnsserver: Failed to find DNS Zones in %s\n",
+			ldb_dn_get_linearized(dn)));
+		goto failed;
+	}
+
+	zones = NULL;
+	for(i=0; i<res->count; i++) {
+		z = talloc_zero(mem_ctx, struct dnsserver_zone);
+		if (z == NULL) {
+			goto failed;
+		}
+
+		z->name = talloc_strdup(z,
+				ldb_msg_find_attr_as_string(res->msgs[i], "name", NULL));
+		DEBUG(2, ("dnsserver: Found DNS zone %s\n", z->name));
+		z->zone_dn = talloc_steal(z, res->msgs[i]->dn);
+		z->partition_dn = talloc_steal(z, partition_dn);
+
+		DLIST_ADD_END(zones, z, NULL);
+	}
+
+	return zones;
+
+failed:
+	talloc_free(tmp_ctx);
+	return NULL;
+}
+
+
+static WERROR dnsserver_db_do_add_rec(TALLOC_CTX *mem_ctx,
+				struct ldb_context *samdb,
+				struct ldb_dn *dn,
+				struct dnsp_DnssrvRpcRecord *rec)
+{
+	struct ldb_message *msg;
+	struct ldb_val v;
+	int ret;
+	enum ndr_err_code ndr_err;
+
+	msg = ldb_msg_new(mem_ctx);
+	W_ERROR_HAVE_NO_MEMORY(msg);
+
+	msg->dn = dn;
+	ret = ldb_msg_add_string(msg, "objectClass", "dnsNode");
+	if (ret != LDB_SUCCESS) {
+		return WERR_NOMEM;
+	}
+
+	if (rec) {
+		ndr_err = ndr_push_struct_blob(&v, mem_ctx, rec,
+				(ndr_push_flags_fn_t)ndr_push_dnsp_DnssrvRpcRecord);
+		if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+			return WERR_GENERAL_FAILURE;
+		}
+
+		ret = ldb_msg_add_value(msg, "dnsRecord", &v, NULL);
+		if (ret != LDB_SUCCESS) {
+			return WERR_NOMEM;
+		}
+	}
+
+	ret = ldb_add(samdb, msg);
+	if (ret != LDB_SUCCESS) {
+		return WERR_INTERNAL_DB_ERROR;
+	}
+
+	return WERR_OK;
+}
+
+
+WERROR dnsserver_db_add_empty_node(TALLOC_CTX *mem_ctx,
+					struct ldb_context *samdb,
+					struct dnsserver_zone *z,
+					const char *name)
+{
+	const char * const attrs[] = { "name", NULL };
+	struct ldb_result *res;
+	struct ldb_dn *dn;
+	int ret;
+
+	ret = ldb_search(samdb, mem_ctx, &res, z->zone_dn, LDB_SCOPE_BASE, attrs,
+			"(&(objectClass=dnsNode)(name=%s))", name);
+	if (ret != LDB_SUCCESS) {
+		return WERR_INTERNAL_DB_ERROR;
+	}
+
+	if (res->count > 0) {
+		talloc_free(res);
+		return WERR_DNS_ERROR_RECORD_ALREADY_EXISTS;
+	}
+
+	dn = ldb_dn_copy(mem_ctx, z->zone_dn);
+	W_ERROR_HAVE_NO_MEMORY(dn);
+
+	if (!ldb_dn_add_child_fmt(dn, "DC=%s", name)) {
+		return WERR_NOMEM;
+	}
+
+	return dnsserver_db_do_add_rec(mem_ctx, samdb, dn, NULL);
+}
+
+
+WERROR dnsserver_db_add_record(TALLOC_CTX *mem_ctx,
+					struct ldb_context *samdb,
+					struct dnsserver_zone *z,
+					const char *name,
+					struct DNS_RPC_RECORD *add_record)
+{
+	const char * const attrs[] = { "dnsRecord", NULL };
+	struct ldb_result *res;
+	struct dnsp_DnssrvRpcRecord *rec;
+	struct ldb_message_element *el;
+	struct ldb_dn *dn;
+	enum ndr_err_code ndr_err;
+	NTTIME t;
+	int ret, i;
+
+	rec = dns_to_dnsp_copy(mem_ctx, add_record);
+	W_ERROR_HAVE_NO_MEMORY(rec);
+
+	unix_to_nt_time(&t, time(NULL));
+	t /= 10*1000*1000;
+
+	rec->dwSerial = 0; /* FIXME: put soa serial value */
+	rec->dwTimeStamp = t;
+
+	ret = ldb_search(samdb, mem_ctx, &res, z->zone_dn, LDB_SCOPE_ONELEVEL, attrs,
+			"(&(objectClass=dnsNode)(name=%s))", name);
+	if (ret != LDB_SUCCESS) {
+		return WERR_INTERNAL_DB_ERROR;
+	}
+
+	if (res->count == 0) {
+		dn = dnsserver_name_to_dn(mem_ctx, z, name);
+		W_ERROR_HAVE_NO_MEMORY(dn);
+
+		return dnsserver_db_do_add_rec(mem_ctx, samdb, dn, rec);
+	}
+
+	el = ldb_msg_find_element(res->msgs[0], "dnsRecord");
+	if (el == NULL) {
+		ret = ldb_msg_add_empty(res->msgs[0], "dnsRecord", 0, &el);
+		if (ret != LDB_SUCCESS) {
+			return WERR_NOMEM;
+		}
+	}
+
+	for (i=0; i<el->num_values; i++) {
+		struct dnsp_DnssrvRpcRecord rec2;
+
+		ndr_err = ndr_pull_struct_blob(&el->values[i], mem_ctx, &rec2,
+						(ndr_pull_flags_fn_t)ndr_pull_dnsp_DnssrvRpcRecord);
+		if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+			return WERR_GENERAL_FAILURE;
+		}
+
+		if (dns_record_match(rec, &rec2)) {
+			break;
+		}
+	}
+	if (i < el->num_values) {
+		return WERR_DNS_ERROR_RECORD_ALREADY_EXISTS;
+	}
+	if (i == el->num_values) {
+		/* adding a new value */
+		el->values = talloc_realloc(el, el->values, struct ldb_val, el->num_values+1);
+		W_ERROR_HAVE_NO_MEMORY(el->values);
+		el->num_values++;
+	}
+
+	ndr_err = ndr_push_struct_blob(&el->values[i], mem_ctx, rec,
+					(ndr_push_flags_fn_t)ndr_push_dnsp_DnssrvRpcRecord);
+	if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+		return WERR_GENERAL_FAILURE;
+	}
+
+	el->flags = LDB_FLAG_MOD_REPLACE;
+	ret = ldb_modify(samdb, res->msgs[0]);
+	if (ret != LDB_SUCCESS) {
+		return WERR_INTERNAL_DB_ERROR;
+	}
+
+	return WERR_OK;
+}
+
+WERROR dnsserver_db_update_record(TALLOC_CTX *mem_ctx,
+					struct ldb_context *samdb,
+					struct dnsserver_zone *z,
+					const char *name,
+					struct DNS_RPC_RECORD *add_record,
+					struct DNS_RPC_RECORD *del_record)
+{
+	const char * const attrs[] = { "dnsRecord", NULL };
+	struct ldb_result *res;
+	struct dnsp_DnssrvRpcRecord *arec, *drec;
+	struct ldb_message_element *el;
+	enum ndr_err_code ndr_err;
+	NTTIME t;
+	int ret, i;
+
+	arec = dns_to_dnsp_copy(mem_ctx, add_record);
+	W_ERROR_HAVE_NO_MEMORY(arec);
+
+	drec = dns_to_dnsp_copy(mem_ctx, del_record);
+	W_ERROR_HAVE_NO_MEMORY(drec);
+
+	unix_to_nt_time(&t, time(NULL));
+	t /= 10*1000*1000;
+
+	arec->dwSerial = 0; /* FIXME: put soa serial value */
+	arec->dwTimeStamp = t;
+
+	ret = ldb_search(samdb, mem_ctx, &res, z->zone_dn, LDB_SCOPE_ONELEVEL, attrs,
+			"(&(objectClass=dnsNode)(name=%s))", name);
+	if (ret != LDB_SUCCESS) {
+		return WERR_INTERNAL_DB_ERROR;
+	}
+
+	if (res->count == 0) {
+		return WERR_DNS_ERROR_RECORD_DOES_NOT_EXIST;
+	}
+
+	el = ldb_msg_find_element(res->msgs[0], "dnsRecord");
+	if (el == NULL || el->num_values == 0) {
+		return WERR_DNS_ERROR_RECORD_DOES_NOT_EXIST;
+	}
+
+	for (i=0; i<el->num_values; i++) {
+		struct dnsp_DnssrvRpcRecord rec2;
+
+		ndr_err = ndr_pull_struct_blob(&el->values[i], mem_ctx, &rec2,
+						(ndr_pull_flags_fn_t)ndr_pull_dnsp_DnssrvRpcRecord);
+		if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+			return WERR_GENERAL_FAILURE;
+		}
+
+		if (dns_record_match(arec, &rec2)) {
+			break;
+		}
+	}
+	if (i < el->num_values) {
+		return WERR_DNS_ERROR_RECORD_ALREADY_EXISTS;
+	}
+
+
+	for (i=0; i<el->num_values; i++) {
+		struct dnsp_DnssrvRpcRecord rec2;
+
+		ndr_err = ndr_pull_struct_blob(&el->values[i], mem_ctx, &rec2,
+						(ndr_pull_flags_fn_t)ndr_pull_dnsp_DnssrvRpcRecord);
+		if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+			return WERR_GENERAL_FAILURE;
+		}
+
+		if (dns_record_match(drec, &rec2)) {
+			break;
+		}
+	}
+	if (i == el->num_values) {
+		return WERR_DNS_ERROR_RECORD_DOES_NOT_EXIST;
+	}
+
+	ndr_err = ndr_push_struct_blob(&el->values[i], mem_ctx, arec,
+					(ndr_push_flags_fn_t)ndr_push_dnsp_DnssrvRpcRecord);
+	if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+		return WERR_GENERAL_FAILURE;
+	}
+
+	el->flags = LDB_FLAG_MOD_REPLACE;
+	ret = ldb_modify(samdb, res->msgs[0]);
+	if (ret != LDB_SUCCESS) {
+		return WERR_INTERNAL_DB_ERROR;
+	}
+
+	return WERR_OK;
+}
+
+WERROR dnsserver_db_delete_record(TALLOC_CTX *mem_ctx,
+					struct ldb_context *samdb,
+					struct dnsserver_zone *z,
+					const char *name,
+					struct DNS_RPC_RECORD *del_record)
+{
+	const char * const attrs[] = { "dnsRecord", NULL };
+	struct ldb_result *res;
+	struct dnsp_DnssrvRpcRecord *rec;
+	struct ldb_message_element *el;
+	enum ndr_err_code ndr_err;
+	int ret, i;
+
+	rec = dns_to_dnsp_copy(mem_ctx, del_record);
+	W_ERROR_HAVE_NO_MEMORY(rec);
+
+	ret = ldb_search(samdb, mem_ctx, &res, z->zone_dn, LDB_SCOPE_ONELEVEL, attrs,
+			"(&(objectClass=dnsNode)(name=%s))", name);
+	if (ret != LDB_SUCCESS) {
+		return WERR_INTERNAL_DB_ERROR;
+	}
+
+	if (res->count == 0) {
+		return WERR_DNS_ERROR_RECORD_DOES_NOT_EXIST;
+	}
+
+	el = ldb_msg_find_element(res->msgs[0], "dnsRecord");
+	if (el == NULL || el->num_values == 0) {
+		return WERR_DNS_ERROR_RECORD_DOES_NOT_EXIST;
+	}
+
+	for (i=0; i<el->num_values; i++) {
+		struct dnsp_DnssrvRpcRecord rec2;
+
+		ndr_err = ndr_pull_struct_blob(&el->values[i], mem_ctx, &rec2,
+						(ndr_pull_flags_fn_t)ndr_pull_dnsp_DnssrvRpcRecord);
+		if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+			return WERR_GENERAL_FAILURE;
+		}
+
+		if (dns_record_match(rec, &rec2)) {
+			break;
+		}
+	}
+	if (i == el->num_values) {
+		return WERR_DNS_ERROR_RECORD_DOES_NOT_EXIST;
+	}
+	if (i < el->num_values-1) {
+		memmove(&el->values[i], &el->values[i+1], sizeof(el->values[0])*((el->num_values-1)-i));
+	}
+	el->num_values--;
+
+	if (el->num_values == 0) {
+		ret = ldb_delete(samdb, res->msgs[0]->dn);
+	} else {
+		el->flags = LDB_FLAG_MOD_REPLACE;
+		ret = ldb_modify(samdb, res->msgs[0]);
+	}
+	if (ret != LDB_SUCCESS) {
+		return WERR_INTERNAL_DB_ERROR;
+	}
+
+	return WERR_OK;
+}
diff --git a/source4/rpc_server/dnsserver/dnsserver.h b/source4/rpc_server/dnsserver/dnsserver.h
new file mode 100644
index 0000000000..5fc13c8704
--- /dev/null
+++ b/source4/rpc_server/dnsserver/dnsserver.h
@@ -0,0 +1,220 @@
+/*
+   Unix SMB/CIFS implementation.
+
+   DNS Server
+
+   Copyright (C) Amitay Isaacs 2011
+
+   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/>.
+*/
+
+#ifndef __DNSSERVER_H__
+#define __DNSSERVER_H__
+
+#include "librpc/gen_ndr/dnsp.h"
+#include "librpc/gen_ndr/dnsserver.h"
+#include "param/param.h"
+#include "ldb.h"
+
+struct dnsserver_serverinfo {
+	uint32_t	dwVersion;
+	uint8_t		fBootMethod;
+	uint8_t		fAdminConfigured;
+	uint8_t		fAllowUpdate;
+	uint8_t		fDsAvailable;
+
+	char *		pszServerName;
+	char *		pszDsContainer;
+
+	uint32_t	dwDsForestVersion;
+	uint32_t	dwDsDomainVersion;
+	uint32_t	dwDsDsaVersion;
+	uint32_t	fReadOnlyDC;
+	char *		pszDomainName;
+	char *		pszForestName;
+	char *		pszDomainDirectoryPartition;
+	char *		pszForestDirectoryPartition;
+
+	struct IP4_ARRAY * aipServerAddrs;
+	struct IP4_ARRAY * aipListenAddrs;
+	struct IP4_ARRAY * aipForwarders;
+
+	struct IP4_ARRAY * aipLogFilter;
+	char *		pwszLogFilePath;
+
+	uint32_t 	dwLogLevel;
+	uint32_t 	dwDebugLevel;
+	uint32_t 	dwEventLogLevel;
+	uint32_t 	dwLogFileMaxSize;
+
+	uint32_t 	dwForwardTimeout;
+	uint32_t 	dwRpcProtocol;
+	uint32_t 	dwNameCheckFlag;
+	uint32_t 	cAddressAnswerLimit;
+	uint32_t 	dwRecursionRetry;
+	uint32_t 	dwRecursionTimeout;
+	uint32_t 	dwMaxCacheTtl;
+	uint32_t 	dwDsPollingInterval;
+	uint32_t 	dwLocalNetPriorityNetMask;
+
+	uint32_t 	dwScavengingInterval;
+	uint32_t 	dwDefaultRefreshInterval;
+	uint32_t 	dwDefaultNoRefreshInterval;
+	uint32_t 	dwLastScavengeTime;
+
+	uint8_t 	fAutoReverseZones;
+	uint8_t 	fAutoCacheUpdate;
+
+	uint8_t 	fRecurseAfterForwarding;
+	uint8_t 	fForwardDelegations;
+	uint8_t 	fNoRecursion;
+	uint8_t 	fSecureResponses;
+
+	uint8_t 	fRoundRobin;
+	uint8_t 	fLocalNetPriority;
+
+	uint8_t 	fBindSecondaries;
+	uint8_t 	fWriteAuthorityNs;
+
+	uint8_t 	fStrictFileParsing;
+	uint8_t 	fLooseWildcarding;
+	uint8_t 	fDefaultAgingState;
+};
+
+struct dnsserver_zoneinfo {
+	uint8_t		Version;
+	uint32_t	Flags;
+	uint8_t		dwZoneType;
+	uint8_t		fReverse;
+	uint8_t		fAllowUpdate;
+	uint8_t		fPaused;
+	uint8_t		fShutdown;
+	uint8_t		fAutoCreated;
+
+	uint8_t		fUseDatabase;
+	char *		pszDataFile;
+
+	struct IP4_ARRAY * aipMasters;
+
+	uint32_t	fSecureSecondaries;
+	uint32_t	fNotifyLevel;
+	struct IP4_ARRAY * aipSecondaries;
+	struct IP4_ARRAY * aipNotify;
+
+	uint32_t	fUseWins;
+	uint32_t	fUseNbstat;
+
+	uint32_t	fAging;
+	uint32_t	dwNoRefreshInterval;
+	uint32_t	dwRefreshInterval;
+	uint32_t	dwAvailForScavengeTime;
+	struct IP4_ARRAY * aipScavengeServers;
+
+	uint32_t	dwForwarderTimeout;
+	uint32_t	fForwarderSlave;
+
+	struct IP4_ARRAY * aipLocalMasters;
+
+	uint32_t	dwDpFlags;
+	char *		pszDpFqdn;
+	char *		pwszZoneDn;
+
+	uint32_t	dwLastSuccessfulSoaCheck;
+	uint32_t	dwLastSuccessfulXfr;
+
+	uint32_t	fQueuedForBackgroundLoad;
+	uint32_t	fBackgroundLoadInProgress;
+	uint8_t		fReadOnlyZone;
+
+	uint32_t	dwLastXfrAttempt;
+	uint32_t	dwLastXfrResult;
+};
+
+
+struct dnsserver_zone {
+	struct dnsserver_zone *prev, *next;
+	const char *name;
+	struct ldb_dn *partition_dn;
+	struct ldb_dn *zone_dn;
+	struct dnsserver_zoneinfo *zoneinfo;
+};
+
+
+/* Data structure manipulation functions from dnsdata.c */
+
+struct IP4_ARRAY *ip4_array_copy(TALLOC_CTX *mem_ctx, struct IP4_ARRAY *ip4);
+struct DNS_ADDR_ARRAY *ip4_array_to_dns_addr_array(TALLOC_CTX *mem_ctx, struct IP4_ARRAY *ip4);
+struct DNS_ADDR_ARRAY *dns_addr_array_copy(TALLOC_CTX *mem_ctx, struct DNS_ADDR_ARRAY *addr);
+
+int dns_split_name_components(TALLOC_CTX *mem_ctx, const char *name, char ***components);
+char *dns_split_node_name(TALLOC_CTX *mem_ctx, const char *node_name, const char *zone_name);
+
+int dns_name_compare(const struct ldb_message **m1, const struct ldb_message **m2,
+			char *search_name);
+bool dns_name_equal(const char *name1, const char *name2);
+bool dns_record_match(struct dnsp_DnssrvRpcRecord *rec1, struct dnsp_DnssrvRpcRecord *rec2);
+
+void dnsp_to_dns_copy(TALLOC_CTX *mem_ctx, struct dnsp_DnssrvRpcRecord *dnsp,
+			struct DNS_RPC_RECORD *dns);
+struct dnsp_DnssrvRpcRecord *dns_to_dnsp_copy(TALLOC_CTX *mem_ctx, struct DNS_RPC_RECORD *dns);
+
+WERROR dns_fill_records_array(TALLOC_CTX *mem_ctx, struct dnsserver_zone *z,
+			enum dns_record_type record_type,
+			unsigned int select_flag, const char *zone_name,
+			struct ldb_message *msg, struct DNS_RPC_RECORDS_ARRAY *recs,
+			char ***add_names, int *add_count);
+
+
+/* Utility functions from dnsutils.c */
+
+struct dnsserver_serverinfo *dnsserver_init_serverinfo(TALLOC_CTX *mem_ctx,
+					struct loadparm_context *lp_ctx,
+					struct ldb_context *samdb);
+struct dnsserver_zoneinfo *dnsserver_init_zoneinfo(struct dnsserver_zone *zone,
+					struct dnsserver_serverinfo *serverinfo,
+					bool is_forest);
+struct dnsserver_zone *dnsserver_find_zone(struct dnsserver_zone *zones,
+					const char *zone_name);
+struct ldb_dn *dnsserver_name_to_dn(TALLOC_CTX *mem_ctx, struct dnsserver_zone *z,
+					const char *name);
+uint32_t dnsserver_zone_to_request_filter(const char *zone);
+
+
+/* Database functions from dnsdb.c */
+
+struct dnsserver_zone *dnsserver_db_enumerate_zones(TALLOC_CTX *mem_ctx,
+					struct ldb_context *samdb,
+					bool is_forest);
+WERROR dnsserver_db_add_empty_node(TALLOC_CTX *mem_ctx,
+					struct ldb_context *samdb,
+					struct dnsserver_zone *z,
+					const char *node_name);
+WERROR dnsserver_db_add_record(TALLOC_CTX *mem_ctx,
+					struct ldb_context *samdb,
+					struct dnsserver_zone *z,
+					const char *node_name,
+					struct DNS_RPC_RECORD *add_record);
+WERROR dnsserver_db_update_record(TALLOC_CTX *mem_ctx,
+					struct ldb_context *samdb,
+					struct dnsserver_zone *z,
+					const char *node_name,
+					struct DNS_RPC_RECORD *add_record,
+					struct DNS_RPC_RECORD *del_record);
+WERROR dnsserver_db_delete_record(TALLOC_CTX *mem_ctx,
+					struct ldb_context *samdb,
+					struct dnsserver_zone *z,
+					const char *node_name,
+					struct DNS_RPC_RECORD *del_record);
+
+#endif /* __DNSSERVER_H__ */
diff --git a/source4/rpc_server/dnsserver/dnsutils.c b/source4/rpc_server/dnsserver/dnsutils.c
new file mode 100644
index 0000000000..5449826061
--- /dev/null
+++ b/source4/rpc_server/dnsserver/dnsutils.c
@@ -0,0 +1,309 @@
+/*
+   Unix SMB/CIFS implementation.
+
+   DNS Server
+
+   Copyright (C) Amitay Isaacs 2011
+
+   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 "includes.h"
+#include "dnsserver.h"
+#include "rpc_server/common/common.h"
+#include "dsdb/samdb/samdb.h"
+#include "lib/socket/netif.h"
+
+
+struct dnsserver_serverinfo *dnsserver_init_serverinfo(TALLOC_CTX *mem_ctx,
+							struct loadparm_context *lp_ctx,
+							struct ldb_context *samdb)
+{
+	struct dnsserver_serverinfo *serverinfo;
+	struct dcerpc_server_info *dinfo;
+	struct ldb_dn *domain_dn, *forest_dn;
+	struct interface *ifaces;
+	int num_interfaces, i;
+
+	serverinfo = talloc_zero(mem_ctx, struct dnsserver_serverinfo);
+	if (serverinfo == NULL) {
+		return NULL;
+	}
+
+	dinfo = lpcfg_dcerpc_server_info(mem_ctx, lp_ctx);
+	if (dinfo) {
+		serverinfo->dwVersion = (dinfo->version_build & 0x0000FFFF) << 16 |
+				(dinfo->version_minor & 0x000000FF) << 8 |
+				(dinfo->version_major & 0x000000FF);
+		talloc_free(dinfo);
+	} else {
+		serverinfo->dwVersion = 0x0ECE0205; /* build, os_minor, os_major */;
+	}
+
+	serverinfo->fBootMethod = DNS_BOOT_METHOD_DIRECTORY;
+	serverinfo->fAdminConfigured = 0;
+	serverinfo->fAllowUpdate = 1;
+	serverinfo->fDsAvailable = 1;
+
+	serverinfo->pszServerName = talloc_asprintf(mem_ctx, "%s.%s",
+					lpcfg_netbios_name(lp_ctx),
+					lpcfg_dnsdomain(lp_ctx));
+
+	domain_dn = ldb_get_default_basedn(samdb);
+	forest_dn = ldb_get_root_basedn(samdb);
+
+	serverinfo->pszDsContainer = talloc_asprintf(mem_ctx,
+					"CN=MicrosoftDNS,DC=DomainDnsZones,%s",
+					ldb_dn_get_linearized(domain_dn));
+
+	serverinfo->dwDsForestVersion = dsdb_forest_functional_level(samdb);
+	serverinfo->dwDsDomainVersion = dsdb_functional_level(samdb);
+	serverinfo->dwDsDsaVersion = 4; /* need to do ldb search here */
+
+	serverinfo->pszDomainName = samdb_dn_to_dns_domain(mem_ctx, domain_dn);
+	serverinfo->pszForestName = samdb_dn_to_dns_domain(mem_ctx, forest_dn);
+
+	serverinfo->pszDomainDirectoryPartition = talloc_asprintf(mem_ctx,
+							"DC=DomainDnsZones,%s",
+							ldb_dn_get_linearized(domain_dn));
+	serverinfo->pszForestDirectoryPartition = talloc_asprintf(mem_ctx,
+							"DC=ForestDnsZones,%s",
+							ldb_dn_get_linearized(forest_dn));
+
+	load_interface_list(mem_ctx, lp_ctx, &ifaces);
+	num_interfaces = iface_list_count(ifaces);
+
+	serverinfo->aipServerAddrs = talloc_zero(mem_ctx, struct IP4_ARRAY);
+
+	if (serverinfo->aipServerAddrs) {
+		serverinfo->aipServerAddrs->AddrCount = num_interfaces;
+		if (num_interfaces > 0) {
+			serverinfo->aipServerAddrs->AddrArray = talloc_zero_array(mem_ctx,
+									unsigned int,
+									num_interfaces);
+			if (serverinfo->aipServerAddrs->AddrArray) {
+				for (i=0; i<num_interfaces; i++) {
+					serverinfo->aipServerAddrs->AddrArray[i] = inet_addr(iface_list_n_ip(ifaces, i));
+				}
+			} else {
+				serverinfo->aipServerAddrs->AddrCount = 0;
+			}
+		}
+	}
+	talloc_free(ifaces);
+
+	/* Assume listen addresses are same as server addresses */
+	serverinfo->aipListenAddrs = serverinfo->aipServerAddrs;
+
+	serverinfo->aipForwarders = NULL;
+
+	serverinfo->aipLogFilter = NULL;
+	serverinfo->pwszLogFilePath = NULL;
+
+	serverinfo->dwLogLevel = 0;
+	serverinfo->dwDebugLevel = 0;
+	serverinfo->dwEventLogLevel = DNS_EVENT_LOG_INFORMATION_TYPE;
+	serverinfo->dwLogFileMaxSize = 0;
+
+	serverinfo->dwForwardTimeout = 3; /* seconds (default) */
+	serverinfo->dwRpcProtocol = 5;
+	serverinfo->dwNameCheckFlag = DNS_ALLOW_MULTIBYTE_NAMES;
+	serverinfo->cAddressAnswerLimit = 0;
+	serverinfo->dwRecursionRetry = 3 /* seconds (default) */;
+	serverinfo->dwRecursionTimeout = 8 /* seconds (default) */;
+	serverinfo->dwMaxCacheTtl = 0x00015180; /* 1 day (default) */;
+	serverinfo->dwDsPollingInterval = 0xB4; /* 3 minutes (default) */;
+	serverinfo->dwLocalNetPriorityNetMask = 0x000000FF;;
+
+	serverinfo->dwScavengingInterval = 0;
+	serverinfo->dwDefaultRefreshInterval = 0xA8; /* 7 days in hours */;
+	serverinfo->dwDefaultNoRefreshInterval = 0xA8; /* 7 days in hours */;;
+	serverinfo->dwLastScavengeTime = 0;
+
+	serverinfo->fAutoReverseZones = 0;
+	serverinfo->fAutoCacheUpdate = 0;
+
+	serverinfo->fRecurseAfterForwarding = 0;
+	serverinfo->fForwardDelegations = 1;
+	serverinfo->fNoRecursion = 0;
+	serverinfo->fSecureResponses = 0;
+
+	serverinfo->fRoundRobin = 1;
+	serverinfo->fLocalNetPriority = 0;
+
+	serverinfo->fBindSecondaries = 0;
+	serverinfo->fWriteAuthorityNs = 0;
+
+	serverinfo->fStrictFileParsing = 0;
+	serverinfo->fLooseWildcarding = 0 ;
+	serverinfo->fDefaultAgingState = 0;
+
+	return serverinfo;
+}
+
+
+struct dnsserver_zoneinfo *dnsserver_init_zoneinfo(struct dnsserver_zone *zone,
+						struct dnsserver_serverinfo *serverinfo,
+						bool is_forest)
+{
+	struct dnsserver_zoneinfo *zoneinfo;
+	uint32_t dp_flags;
+
+	zoneinfo = talloc_zero(zone, struct dnsserver_zoneinfo);
+	if (zoneinfo == NULL) {
+		return NULL;
+	}
+
+	dp_flags = DNS_DP_ENLISTED;
+	if (is_forest) {
+		dp_flags |= DNS_DP_FOREST_DEFAULT;
+	} else {
+		dp_flags |= DNS_DP_DOMAIN_DEFAULT;
+	}
+
+	zoneinfo->Version = 0x32;
+	zoneinfo->Flags = DNS_RPC_ZONE_DSINTEGRATED | DNS_RPC_ZONE_UPDATE_SECURE;
+	zoneinfo->dwZoneType = DNS_ZONE_TYPE_PRIMARY;
+	zoneinfo->fReverse = 0;	/* We only support forward zones for now */
+	zoneinfo->fAllowUpdate = DNS_ZONE_UPDATE_SECURE;
+	zoneinfo->fPaused = 0;
+	zoneinfo->fShutdown = 0;
+	zoneinfo->fAutoCreated = 0;
+	zoneinfo->fUseDatabase = 1;
+	zoneinfo->pszDataFile = NULL;
+	zoneinfo->aipMasters = NULL;
+	zoneinfo->fSecureSecondaries = DNS_ZONE_SECSECURE_NO_XFER;
+	zoneinfo->fNotifyLevel = DNS_ZONE_NOTIFY_LIST_ONLY;
+	zoneinfo->aipSecondaries = NULL;
+	zoneinfo->aipNotify = NULL;
+	zoneinfo->fUseWins = 0;
+	zoneinfo->fUseNbstat = 0;
+	zoneinfo->fAging = 0;
+	zoneinfo->dwNoRefreshInterval = serverinfo->dwDefaultNoRefreshInterval;
+	zoneinfo->dwRefreshInterval = serverinfo->dwDefaultRefreshInterval;
+	zoneinfo->dwAvailForScavengeTime = 0;
+	zoneinfo->aipScavengeServers = NULL;
+	zoneinfo->dwForwarderTimeout = 0;
+	zoneinfo->fForwarderSlave = 0;
+	zoneinfo->aipLocalMasters = NULL;
+	zoneinfo->dwDpFlags = dp_flags;
+	zoneinfo->pszDpFqdn = samdb_dn_to_dns_domain(zone, zone->partition_dn);
+	zoneinfo->pwszZoneDn = discard_const_p(char, ldb_dn_get_linearized(zone->zone_dn));
+	zoneinfo->dwLastSuccessfulSoaCheck = 0;
+	zoneinfo->dwLastSuccessfulXfr = 0;
+	zoneinfo->fQueuedForBackgroundLoad = 0;
+	zoneinfo->fBackgroundLoadInProgress = 0;
+	zoneinfo->fReadOnlyZone = 0;
+	zoneinfo->dwLastXfrAttempt = 0;
+	zoneinfo->dwLastXfrResult = 0;
+
+	return zoneinfo;
+}
+
+struct dnsserver_zone *dnsserver_find_zone(struct dnsserver_zone *zones, const char *zone_name)
+{
+	struct dnsserver_zone *z = NULL;
+
+	for (z = zones; z; z = z->next) {
+		if (strcmp(zone_name, z->name) == 0) {
+			break;
+		}
+	}
+
+	return z;
+}
+
+struct ldb_dn *dnsserver_name_to_dn(TALLOC_CTX *mem_ctx, struct dnsserver_zone *z, const char *name)
+{
+	struct ldb_dn *dn;
+	bool ret;
+
+	dn = ldb_dn_copy(mem_ctx, z->zone_dn);
+	if (dn == NULL) {
+		return NULL;
+	}
+	if (strcmp(name, z->name) == 0) {
+		ret = ldb_dn_add_child_fmt(dn, "DC=@");
+	} else {
+		ret = ldb_dn_add_child_fmt(dn, "DC=%s", name);
+	}
+	if (!ret) {
+		talloc_free(dn);
+		return NULL;
+	}
+
+	return dn;
+}
+
+uint32_t dnsserver_zone_to_request_filter(const char *zone_name)
+{
+	uint32_t request_filter;
+
+	if (strcmp(zone_name, "..AllZones") == 0) {
+		request_filter = DNS_ZONE_REQUEST_PRIMARY
+			| DNS_ZONE_REQUEST_SECONDARY
+			| DNS_ZONE_REQUEST_AUTO
+			| DNS_ZONE_REQUEST_FORWARD
+			| DNS_ZONE_REQUEST_REVERSE
+			| DNS_ZONE_REQUEST_FORWARDER
+			| DNS_ZONE_REQUEST_STUB
+			| DNS_ZONE_REQUEST_DS
+			| DNS_ZONE_REQUEST_NON_DS
+			| DNS_ZONE_REQUEST_DOMAIN_DP
+			| DNS_ZONE_REQUEST_FOREST_DP
+			| DNS_ZONE_REQUEST_CUSTOM_DP
+			| DNS_ZONE_REQUEST_LEGACY_DP;
+	} else if (strcmp(zone_name, "..AllZonesAndCache") == 0) {
+		request_filter = DNS_ZONE_REQUEST_PRIMARY
+			| DNS_ZONE_REQUEST_SECONDARY
+			| DNS_ZONE_REQUEST_CACHE
+			| DNS_ZONE_REQUEST_AUTO
+			| DNS_ZONE_REQUEST_FORWARD
+			| DNS_ZONE_REQUEST_REVERSE
+			| DNS_ZONE_REQUEST_FORWARDER
+			| DNS_ZONE_REQUEST_STUB
+			| DNS_ZONE_REQUEST_DS
+			| DNS_ZONE_REQUEST_NON_DS
+			| DNS_ZONE_REQUEST_DOMAIN_DP
+			| DNS_ZONE_REQUEST_FOREST_DP
+			| DNS_ZONE_REQUEST_CUSTOM_DP
+			| DNS_ZONE_REQUEST_LEGACY_DP;
+	} else if (strcmp(zone_name, "..AllPrimaryZones") == 0) {
+		request_filter = DNS_ZONE_REQUEST_PRIMARY;
+	} else if (strcmp(zone_name, "..AllSecondaryZones") == 0) {
+		request_filter = DNS_ZONE_REQUEST_SECONDARY;
+	} else if (strcmp(zone_name, "..AllForwardZones") == 0) {
+		request_filter = DNS_ZONE_REQUEST_FORWARD;
+	} else if (strcmp(zone_name, "..AllReverseZones") == 0) {
+		request_filter = DNS_ZONE_REQUEST_REVERSE;
+	} else if (strcmp(zone_name, "..AllDsZones") == 0) {
+		request_filter = DNS_ZONE_REQUEST_DS;
+	} else if (strcmp(zone_name, "..AllNonDsZones") == 0) {
+		request_filter = DNS_ZONE_REQUEST_NON_DS;
+	} else if (strcmp(zone_name, "..AllPrimaryReverseZones") == 0) {
+		request_filter = DNS_ZONE_REQUEST_PRIMARY
+			| DNS_ZONE_REQUEST_REVERSE;
+	} else if (strcmp(zone_name, "..AllPrimaryForwardZones") == 0) {
+		request_filter = DNS_ZONE_REQUEST_PRIMARY
+			| DNS_ZONE_REQUEST_FORWARD;
+	} else if (strcmp(zone_name, "..AllSecondaryReverseZones") == 0) {
+		request_filter = DNS_ZONE_REQUEST_SECONDARY
+			| DNS_ZONE_REQUEST_REVERSE;
+	} else if (strcmp(zone_name, "..AllSecondaryForwardZones") == 0) {
+		request_filter = DNS_ZONE_REQUEST_SECONDARY
+			| DNS_ZONE_REQUEST_REVERSE;
+	}
+
+	return request_filter;
+}