--- /dev/null
+/*
+ * services/localzone.c - local zones authority service.
+ *
+ * Copyright (c) 2007, NLnet Labs. All rights reserved.
+ *
+ * This software is open source.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * Neither the name of the NLNET LABS nor the names of its contributors may
+ * be used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/**
+ * \file
+ *
+ * This file contains functions to enable local zone authority service.
+ */
+#include "config.h"
+#include "services/localzone.h"
+
--- /dev/null
+/*
+ * services/localzone.h - local zones authority service.
+ *
+ * Copyright (c) 2007, NLnet Labs. All rights reserved.
+ *
+ * This software is open source.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * Neither the name of the NLNET LABS nor the names of its contributors may
+ * be used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/**
+ * \file
+ *
+ * This file contains functions to enable local zone authority service.
+ */
+
+#ifndef SERVICES_LOCALZONE_H
+#define SERVICES_LOCALZONE_H
+#include "util/rbtree.h"
+struct ub_packed_rrset_key;
+struct regional;
+
+/**
+ * Local zone type
+ * This type determines processing for queries that did not match
+ * local-data directly.
+ */
+enum localzone_type {
+ /** drop query */
+ local_zone_deny = 0,
+ /** answer with error */
+ local_zone_refuse,
+ /** answer nxdomain or nodata */
+ local_zone_static,
+ /** resolve normally */
+ local_zone_transparent,
+ /** answer with data at zone apex */
+ local_zone_redirect,
+ /** remove default AS112 blocking contents for zone
+ * nodefault is used in config not during service. */
+ local_zone_nodefault
+};
+
+/**
+ * Local zones storage, shared.
+ * Fixed at startup, so, readonly, no locks or mutexes necessary.
+ */
+struct local_zones {
+ /** rbtree of struct local_zone */
+ rbtree_t zones;
+};
+
+/**
+ * Local zone. A locally served authoritative zone.
+ */
+struct local_zone {
+ /** rbtree node, key is name and class */
+ rbnode_t node;
+ /** parent zone, if any. */
+ struct local_zone* parent;
+
+ /** zone name, in uncompressed wireformat */
+ uint8_t* name;
+ /** length of zone name */
+ size_t name_len;
+ /** number of labels in zone name */
+ int name_labs;
+ /** the class of this zone */
+ uint16_t dclass;
+
+ /** how to process zone */
+ enum localzone_type type;
+
+ /** in this region the zone's data is allocated.
+ * the struct local_zone itself is malloced. */
+ struct regional* region;
+ /** local data for this zone
+ * rbtree of struct local_data */
+ rbtree_t data;
+ /** if data contains zone apex SOA data, this is a ptr to it. */
+ struct ub_packed_rrset_key* apex;
+};
+
+/**
+ * Local data. One domain name, and the RRs to go with it.
+ */
+struct local_data {
+ /** rbtree node, key is name only */
+ rbnode_t node;
+ /** domain name */
+ uint8_t* name;
+ /** length of name */
+ size_t namelen;
+ /** number of labels in name */
+ int namelabs;
+ /** the data rrsets, match type and class, linked list */
+ struct local_rrset* rrsets;
+};
+
+/**
+ * A local data RRset
+ */
+struct local_rrset {
+ /** next in list */
+ struct local_rrset* next;
+ /** RRset data item */
+ struct ub_packed_rrset_key* rrset;
+};
+
+#endif /* SERVICES_LOCALZONE_H */
projects / thirdparty / unbound.git / commitdiff
