val_anchor.h

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/*
 * validator/val_anchor.h - validator trust anchor storage.
 *
 * 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 COPYRIGHT
 * HOLDER 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.
 */

 
#ifndef VALIDATOR_VAL_ANCHOR_H
#define VALIDATOR_VAL_ANCHOR_H
#include "util/rbtree.h"
#include "util/locks.h"
struct trust_anchor;
struct config_file;
struct ub_packed_rrset_key;
struct autr_point_data;
struct autr_global_data;
struct sldns_buffer;

struct val_anchors {
    lock_basic_type lock;
    rbtree_type* tree;
    struct trust_anchor* dlv_anchor;
    struct autr_global_data* autr;
};

struct ta_key {
    struct ta_key* next;
    uint8_t* data;
    size_t len;
    uint16_t type;
};

struct trust_anchor {
    rbnode_type node;
    lock_basic_type lock;
    uint8_t* name;
    size_t namelen;
    int namelabs;
    struct trust_anchor* parent;
    struct ta_key* keylist;
    struct autr_point_data* autr;
    size_t numDS;
    size_t numDNSKEY;
    struct ub_packed_rrset_key* ds_rrset;
    struct ub_packed_rrset_key* dnskey_rrset;
    uint16_t dclass;
};

struct val_anchors* anchors_create(void);

void anchors_delete(struct val_anchors* anchors);

int anchors_apply_cfg(struct val_anchors* anchors, struct config_file* cfg);

void anchors_init_parents_locked(struct val_anchors* anchors);

struct trust_anchor* anchors_lookup(struct val_anchors* anchors,
    uint8_t* qname, size_t qname_len, uint16_t qclass);

struct trust_anchor* anchor_find(struct val_anchors* anchors, 
    uint8_t* name, int namelabs, size_t namelen, uint16_t dclass);

struct trust_anchor* anchor_store_str(struct val_anchors* anchors, 
    struct sldns_buffer* buffer, const char* str);

size_t anchors_get_mem(struct val_anchors* anchors);

int anchor_cmp(const void* k1, const void* k2);

int anchors_add_insecure(struct val_anchors* anchors, uint16_t c, uint8_t* nm);

void anchors_delete_insecure(struct val_anchors* anchors, uint16_t c,
    uint8_t* nm);

size_t anchor_list_keytags(struct trust_anchor* ta, uint16_t* list, size_t num);

int anchor_has_keytag(struct val_anchors* anchors, uint8_t* name, int namelabs,
    size_t namelen, uint16_t dclass, uint16_t keytag);
 
#endif /* VALIDATOR_VAL_ANCHOR_H */