1 files changed, 130 insertions, 0 deletions
diff --git a/source4/dns_server/dns_utils.c b/source4/dns_server/dns_utils.c
new file mode 100644
index 0000000..d0661f3
--- /dev/null
+++ b/source4/dns_server/dns_utils.c
@@ -0,0 +1,130 @@
+/*
+   Unix SMB/CIFS implementation.
+
+   DNS server utils
+
+   Copyright (C) 2010 Kai Blin  <kai@samba.org>
+
+   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 "libcli/util/ntstatus.h"
+#include "libcli/util/werror.h"
+#include "librpc/ndr/libndr.h"
+#include "librpc/gen_ndr/ndr_dns.h"
+#include "librpc/gen_ndr/ndr_dnsp.h"
+#include <ldb.h>
+#include "dsdb/samdb/samdb.h"
+#include "dsdb/common/util.h"
+#include "dns_server/dns_server.h"
+
+#undef DBGC_CLASS
+#define DBGC_CLASS DBGC_DNS
+
+
+/*
+ * Lookup a DNS record, performing an exact match.
+ * i.e. DNS wild card records are not considered.
+ */
+WERROR dns_lookup_records(struct dns_server *dns,
+			  TALLOC_CTX *mem_ctx,
+			  struct ldb_dn *dn,
+			  struct dnsp_DnssrvRpcRecord **records,
+			  uint16_t *rec_count)
+{
+	return dns_common_lookup(dns->samdb, mem_ctx, dn,
+				 records, rec_count, NULL);
+}
+
+/*
+ * Lookup a DNS record, will match DNS wild card records if an exact match
+ * is not found.
+ */
+WERROR dns_lookup_records_wildcard(struct dns_server *dns,
+			  TALLOC_CTX *mem_ctx,
+			  struct ldb_dn *dn,
+			  struct dnsp_DnssrvRpcRecord **records,
+			  uint16_t *rec_count)
+{
+	return dns_common_wildcard_lookup(dns->samdb, mem_ctx, dn,
+				 records, rec_count);
+}
+
+WERROR dns_replace_records(struct dns_server *dns,
+			   TALLOC_CTX *mem_ctx,
+			   struct ldb_dn *dn,
+			   bool needs_add,
+			   struct dnsp_DnssrvRpcRecord *records,
+			   uint16_t rec_count)
+{
+	/* TODO: Autogenerate this somehow */
+	uint32_t dwSerial = 110;
+	return dns_common_replace(dns->samdb, mem_ctx, dn,
+				  needs_add, dwSerial, records, rec_count);
+}
+
+bool dns_authoritative_for_zone(struct dns_server *dns,
+				const char *name)
+{
+	const struct dns_server_zone *z;
+	size_t host_part_len = 0;
+
+	if (name == NULL) {
+		return false;
+	}
+
+	if (strcmp(name, "") == 0) {
+		return true;
+	}
+	for (z = dns->zones; z != NULL; z = z->next) {
+		bool match;
+
+		match = dns_name_match(z->name, name, &host_part_len);
+		if (match) {
+			break;
+		}
+	}
+	if (z == NULL) {
+		return false;
+	}
+
+	return true;
+}
+
+const char *dns_get_authoritative_zone(struct dns_server *dns,
+				       const char *name)
+{
+	const struct dns_server_zone *z;
+	size_t host_part_len = 0;
+
+	for (z = dns->zones; z != NULL; z = z->next) {
+		bool match;
+		match = dns_name_match(z->name, name, &host_part_len);
+		if (match) {
+			return z->name;
+		}
+	}
+	return NULL;
+}
+
+WERROR dns_name2dn(struct dns_server *dns,
+		   TALLOC_CTX *mem_ctx,
+		   const char *name,
+		   struct ldb_dn **dn)
+{
+	return dns_common_name2dn(dns->samdb, dns->zones,
+				  mem_ctx, name, dn);
+}
+