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diff --git a/src/ldap_helper.h b/src/ldap_helper.h
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+++ b/src/ldap_helper.h
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+/* Authors: Martin Nagy <mnagy@redhat.com>
+ *          Adam Tkac <atkac@redhat.com>
+ *
+ * Copyright (C) 2008, 2009  Red Hat
+ * see file 'COPYING' for use and warranty information
+ *
+ * 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; version 2 only
+ *
+ * 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef _LD_LDAP_HELPER_H_
+#define _LD_LDAP_HELPER_H_
+
+#include <isc/util.h>
+
+typedef struct ldap_db		ldap_db_t;
+typedef struct ldap_instance	ldap_instance_t;
+
+/*
+ * some nice words about ldapdb_rdatalist_t:
+ * - it is list of all RRs which have same owner name
+ * - rdata buffer is reachable only via dns_rdata_toregion()
+ *
+ * structure:
+ *
+ * class1                               class2
+ * type1                                type2
+ * ttl1                                 ttl2
+ * rdata1 -> rdata2 -> rdata3           rdata4 -> rdata5
+ * next_rdatalist              ->       next_rdatalist  ...
+ */
+typedef LIST(dns_rdatalist_t) ldapdb_rdatalist_t;
+
+isc_result_t ldapdb_rdatalist_findrdatatype(ldapdb_rdatalist_t *rdatalist,
+					    dns_rdatatype_t rdtype,
+					    dns_rdatalist_t **rdlistp);
+/*
+ * ldapdb_rdatalist_findrdatatype
+ *
+ * find rdatalist in rdatalist which matches rdtype and return it in rdlistp.
+ *
+ * Returns ISC_R_SUCCESS or ISC_R_NOTFOUND
+ */
+
+void ldapdb_rdatalist_destroy(isc_mem_t *mctx, ldapdb_rdatalist_t *rdatalist);
+/*
+ * ldapdb_rdatalist_destroy
+ *
+ * Free rdatalist list and free all associated rdata buffers.
+ */
+
+void free_rdatalist(isc_mem_t *mctx, dns_rdatalist_t *rdlist);
+/*
+ * free_rdatalist
+ *
+ * Free all dynamically allocated memory inside rdlist.
+ */
+
+isc_result_t ldapdb_rdatalist_get(isc_mem_t *mctx, ldap_db_t *ldap_db,
+				  dns_name_t *name,
+				  ldapdb_rdatalist_t *rdatalist);
+/*
+ * ldapdb_rdatalist_get
+ *
+ * Find all RRs in ldap database with specified name and return them in
+ * rdatalist.
+ *
+ * XXX Add partial match handling.
+ *
+ * Possible errors include:
+ *
+ * ISC_R_NOMEMORY
+ * ISC_R_NOTFOUND
+ * DNS_R_PARTIALMATCH
+ */
+
+isc_result_t new_ldap_db(isc_mem_t *mctx, dns_view_t *view, ldap_db_t **ldap_dbp,
+			 const char * const *argv);
+void destroy_ldap_db(ldap_db_t **ldap_db);
+isc_result_t refresh_zones_from_ldap(ldap_db_t *ldap_db, const char *name,
+				     dns_zonemgr_t *zmgr);
+
+isc_result_t
+get_zone_dn(ldap_db_t *ldap_db, dns_name_t *name, const char **dn,
+	    dns_name_t *matched_name);
+
+/* Functions for writing to LDAP. */
+isc_result_t ldap_rdata_to_char_array(isc_mem_t *mctx, dns_rdata_t *rdata_head,
+		char ***valsp);
+isc_result_t write_to_ldap(dns_name_t *owner, ldap_db_t *ldap_db,
+		dns_rdatalist_t *rdlist);
+isc_result_t remove_from_ldap(dns_name_t *owner, ldap_db_t *ldap_db,
+		dns_rdatalist_t *rdlist);
+
+#endif /* !_LD_LDAP_HELPER_H_ */