1 files changed, 98 insertions, 0 deletions
diff --git a/contrib/bind9/lib/dns/include/dns/forward.h b/contrib/bind9/lib/dns/include/dns/forward.h
new file mode 100644
index 000000000000..f1bf5abf017f
--- /dev/null
+++ b/contrib/bind9/lib/dns/include/dns/forward.h
@@ -0,0 +1,98 @@
+/*
+ * Copyright (C) 2004  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2000, 2001  Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: forward.h,v 1.2.206.1 2004/03/06 08:13:56 marka Exp $ */
+
+#ifndef DNS_FORWARD_H
+#define DNS_FORWARD_H 1
+
+#include <isc/lang.h>
+#include <isc/result.h>
+
+#include <dns/types.h>
+
+ISC_LANG_BEGINDECLS
+
+struct dns_forwarders {
+	isc_sockaddrlist_t	addrs;
+	dns_fwdpolicy_t		fwdpolicy;
+};
+
+isc_result_t
+dns_fwdtable_create(isc_mem_t *mctx, dns_fwdtable_t **fwdtablep);
+/*
+ * Creates a new forwarding table.
+ *
+ * Requires:
+ * 	mctx is a valid memory context.
+ * 	fwdtablep != NULL && *fwdtablep == NULL
+ *
+ * Returns:
+ *	ISC_R_SUCCESS
+ *	ISC_R_NOMEMORY
+ */
+
+isc_result_t
+dns_fwdtable_add(dns_fwdtable_t *fwdtable, dns_name_t *name,
+		 isc_sockaddrlist_t *addrs, dns_fwdpolicy_t policy);
+/*
+ * Adds an entry to the forwarding table.  The entry associates
+ * a domain with a list of forwarders and a forwarding policy.  The
+ * addrs list is copied if not empty, so the caller should free its copy.
+ *
+ * Requires:
+ * 	fwdtable is a valid forwarding table.
+ * 	name is a valid name
+ * 	addrs is a valid list of sockaddrs, which may be empty.
+ *
+ * Returns:
+ *	ISC_R_SUCCESS
+ *	ISC_R_NOMEMORY
+ */
+
+isc_result_t
+dns_fwdtable_find(dns_fwdtable_t *fwdtable, dns_name_t *name,
+		  dns_forwarders_t **forwardersp);
+/*
+ * Finds a domain in the forwarding table.  The closest matching parent
+ * domain is returned.
+ *
+ * Requires:
+ * 	fwdtable is a valid forwarding table.
+ * 	name is a valid name
+ * 	forwardersp != NULL && *forwardersp == NULL
+ *
+ * Returns:
+ * 	ISC_R_SUCCESS
+ * 	ISC_R_NOTFOUND
+ */
+
+void
+dns_fwdtable_destroy(dns_fwdtable_t **fwdtablep);
+/*
+ * Destroys a forwarding table.
+ *
+ * Requires:
+ * 	fwtablep != NULL && *fwtablep != NULL
+ *
+ * Ensures:
+ * 	all memory associated with the forwarding table is freed.
+ */
+
+ISC_LANG_ENDDECLS
+
+#endif /* DNS_FORWARD_H */