1 files changed, 139 insertions, 0 deletions
diff --git a/source4/dns_server/dnsserver_common.h b/source4/dns_server/dnsserver_common.h
new file mode 100644
index 0000000..a0c1065
--- /dev/null
+++ b/source4/dns_server/dnsserver_common.h
@@ -0,0 +1,139 @@
+/*
+   Unix SMB/CIFS implementation.
+
+   DNS server utils
+
+   Copyright (C) 2014 Stefan Metzmacher
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "rpc_server/dnsserver/dnsserver.h"
+
+#ifndef __DNSSERVER_COMMON_H__
+#define __DNSSERVER_COMMON_H__
+
+uint8_t werr_to_dns_err(WERROR werr);
+#define DNS_ERR(err_str) WERR_DNS_ERROR_RCODE_##err_str
+
+struct ldb_message_element;
+struct ldb_context;
+struct dnsp_DnssrvRpcRecord;
+
+struct dns_server_zone {
+	struct dns_server_zone *prev, *next;
+	const char *name;
+	struct ldb_dn *dn;
+};
+
+WERROR dns_common_extract(struct ldb_context *samdb,
+			  const struct ldb_message_element *el,
+			  TALLOC_CTX *mem_ctx,
+			  struct dnsp_DnssrvRpcRecord **records,
+			  uint16_t *num_records);
+
+WERROR dns_common_lookup(struct ldb_context *samdb,
+			 TALLOC_CTX *mem_ctx,
+			 struct ldb_dn *dn,
+			 struct dnsp_DnssrvRpcRecord **records,
+			 uint16_t *num_records,
+			 bool *tombstoned);
+WERROR dns_common_wildcard_lookup(struct ldb_context *samdb,
+				  TALLOC_CTX *mem_ctx,
+				  struct ldb_dn *dn,
+				  struct dnsp_DnssrvRpcRecord **records,
+				  uint16_t *num_records);
+WERROR dns_name_check(TALLOC_CTX *mem_ctx,
+		      size_t len,
+		      const char *name);
+WERROR dns_get_zone_properties(struct ldb_context *samdb,
+			       TALLOC_CTX *mem_ctx,
+			       struct ldb_dn *zone_dn,
+			       struct dnsserver_zoneinfo *zoneinfo);
+bool dns_name_is_static(struct dnsp_DnssrvRpcRecord *records,
+			uint16_t rec_count);
+WERROR dns_common_replace(struct ldb_context *samdb,
+			  TALLOC_CTX *mem_ctx,
+			  struct ldb_dn *dn,
+			  bool needs_add,
+			  uint32_t serial,
+			  struct dnsp_DnssrvRpcRecord *records,
+			  uint16_t rec_count);
+bool dns_name_match(const char *zone, const char *name, size_t *host_part_len);
+WERROR dns_common_name2dn(struct ldb_context *samdb,
+			  struct dns_server_zone *zones,
+			  TALLOC_CTX *mem_ctx,
+			  const char *name,
+			  struct ldb_dn **_dn);
+bool samba_dns_name_equal(const char *name1, const char *name2);
+
+bool dns_record_match(struct dnsp_DnssrvRpcRecord *rec1,
+		      struct dnsp_DnssrvRpcRecord *rec2);
+
+/*
+ * For this routine, base_dn is generally NULL.  The exception comes
+ * from the python bindings to support setting ACLs on DNS objects
+ * when joining Windows
+ */
+NTSTATUS dns_common_zones(struct ldb_context *samdb,
+			  TALLOC_CTX *mem_ctx,
+			  struct ldb_dn *base_dn,
+			  struct dns_server_zone **zones_ret);
+
+bool dns_zoneinfo_load_zone_property(struct dnsserver_zoneinfo *zoneinfo,
+				     struct dnsp_DnsProperty *prop);
+/*
+ * Log a DNS operation along with it's duration
+ * Enabled by setting a log level of "dns:10"
+ *
+ * const char *operation
+ * const char *result
+ * const struct timeval *start
+ * const char *zone
+ * const char *name
+ * const char *data
+ */
+#define DNS_COMMON_LOG_OPERATION(result, start, zone, name, data) \
+	if (CHECK_DEBUGLVLC(DBGC_DNS, DBGLVL_DEBUG)) { \
+		struct timeval now = timeval_current(); \
+		uint64_t duration = usec_time_diff(&now, (start));\
+		const char *re = (result);\
+		const char *zn = (zone); \
+		const char *nm = (name); \
+		const char *dt = (data); \
+		DBG_DEBUG( \
+			"DNS timing: result: [%s] duration: (%" PRIi64 ") " \
+			"zone: [%s] name: [%s] data: [%s]\n", \
+			re == NULL ? "" : re, \
+			duration, \
+			zn == NULL ? "" : zn, \
+			nm == NULL ? "" : nm, \
+			dt == NULL ? "" : dt); \
+	}
+
+/* There are this many nttime jiffies in an hour */
+#define NTTIME_TO_HOURS (3600ULL * 10ULL * 1000ULL * 1000ULL)
+
+/*
+ * convert unix time to a DNS timestamp
+ * (hours in the NTTIME epoch, 32 bit).
+ */
+uint32_t unix_to_dns_timestamp(time_t t);
+
+/*
+ * Convert a DNS timestamp into NTTIME.
+ */
+NTSTATUS dns_timestamp_to_nt_time(NTTIME *_nt, uint32_t t);
+
+#endif /* __DNSSERVER_COMMON_H__ */