1 files changed, 156 insertions, 0 deletions
diff --git a/lib/dns/include/dns/dlz_dlopen.h b/lib/dns/include/dns/dlz_dlopen.h
new file mode 100644
index 0000000..a0059ff
--- /dev/null
+++ b/lib/dns/include/dns/dlz_dlopen.h
@@ -0,0 +1,156 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/*! \file dns/dlz_dlopen.h */
+
+#pragma once
+
+#include <inttypes.h>
+#include <stdbool.h>
+
+#include <dns/sdlz.h>
+
+ISC_LANG_BEGINDECLS
+
+/*
+ * This header provides a minimal set of defines and typedefs needed
+ * for the entry points of an external DLZ module for bind9.
+ */
+
+#define DLZ_DLOPEN_VERSION 3
+#define DLZ_DLOPEN_AGE	   0
+
+/*
+ * dlz_dlopen_version() is required for all DLZ external drivers. It
+ * should return DLZ_DLOPEN_VERSION
+ */
+typedef int
+dlz_dlopen_version_t(unsigned int *flags);
+
+/*
+ * dlz_dlopen_create() is required for all DLZ external drivers.
+ */
+typedef isc_result_t
+dlz_dlopen_create_t(const char *dlzname, unsigned int argc, char *argv[],
+		    void **dbdata, ...);
+
+/*
+ * dlz_dlopen_destroy() is optional, and will be called when the
+ * driver is unloaded if supplied
+ */
+typedef void
+dlz_dlopen_destroy_t(void *dbdata);
+
+/*
+ * dlz_dlopen_findzonedb() is required for all DLZ external drivers
+ */
+typedef isc_result_t
+dlz_dlopen_findzonedb_t(void *dbdata, const char *name,
+			dns_clientinfomethods_t *methods,
+			dns_clientinfo_t	*clientinfo);
+
+/*
+ * dlz_dlopen_lookup() is required for all DLZ external drivers
+ */
+typedef isc_result_t
+dlz_dlopen_lookup_t(const char *zone, const char *name, void *dbdata,
+		    dns_sdlzlookup_t *lookup, dns_clientinfomethods_t *methods,
+		    dns_clientinfo_t *clientinfo);
+
+/*
+ * dlz_dlopen_authority is optional() if dlz_dlopen_lookup()
+ * supplies authority information for the dns record
+ */
+typedef isc_result_t
+dlz_dlopen_authority_t(const char *zone, void *dbdata,
+		       dns_sdlzlookup_t *lookup);
+
+/*
+ * dlz_dlopen_allowzonexfr() is optional, and should be supplied if
+ * you want to support zone transfers
+ */
+typedef isc_result_t
+dlz_dlopen_allowzonexfr_t(void *dbdata, const char *name, const char *client);
+
+/*
+ * dlz_dlopen_allnodes() is optional, but must be supplied if supply a
+ * dlz_dlopen_allowzonexfr() function
+ */
+typedef isc_result_t
+dlz_dlopen_allnodes_t(const char *zone, void *dbdata,
+		      dns_sdlzallnodes_t *allnodes);
+
+/*
+ * dlz_dlopen_newversion() is optional. It should be supplied if you
+ * want to support dynamic updates.
+ */
+typedef isc_result_t
+dlz_dlopen_newversion_t(const char *zone, void *dbdata, void **versionp);
+
+/*
+ * dlz_closeversion() is optional, but must be supplied if you supply
+ * a dlz_newversion() function
+ */
+typedef void
+dlz_dlopen_closeversion_t(const char *zone, bool commit, void *dbdata,
+			  void **versionp);
+
+/*
+ * dlz_dlopen_configure() is optional, but must be supplied if you
+ * want to support dynamic updates
+ */
+typedef isc_result_t
+dlz_dlopen_configure_t(dns_view_t *view, dns_dlzdb_t *dlzdb, void *dbdata);
+
+/*
+ * dlz_dlopen_setclientcallback() is optional, but must be supplied if you
+ * want to retrieve information about the client (e.g., source address)
+ * before sending a replay.
+ */
+typedef isc_result_t
+dlz_dlopen_setclientcallback_t(dns_view_t *view, void *dbdata);
+
+/*
+ * dlz_dlopen_ssumatch() is optional, but must be supplied if you want
+ * to support dynamic updates
+ */
+typedef bool
+dlz_dlopen_ssumatch_t(const char *signer, const char *name, const char *tcpaddr,
+		      const char *type, const char *key, uint32_t keydatalen,
+		      unsigned char *keydata, void *dbdata);
+
+/*
+ * dlz_dlopen_addrdataset() is optional, but must be supplied if you
+ * want to support dynamic updates
+ */
+typedef isc_result_t
+dlz_dlopen_addrdataset_t(const char *name, const char *rdatastr, void *dbdata,
+			 void *version);
+
+/*
+ * dlz_dlopen_subrdataset() is optional, but must be supplied if you
+ * want to support dynamic updates
+ */
+typedef isc_result_t
+dlz_dlopen_subrdataset_t(const char *name, const char *rdatastr, void *dbdata,
+			 void *version);
+
+/*
+ * dlz_dlopen_delrdataset() is optional, but must be supplied if you
+ * want to support dynamic updates
+ */
+typedef isc_result_t
+dlz_dlopen_delrdataset_t(const char *name, const char *type, void *dbdata,
+			 void *version);
+
+ISC_LANG_ENDDECLS