acl_list.h

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/*
 * daemon/acl_list.h - client access control storage for the server.
 *
 * 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 DAEMON_ACL_LIST_H
#define DAEMON_ACL_LIST_H
#include "util/storage/dnstree.h"
#include "services/view.h"
struct config_file;
struct regional;

enum acl_access {
    acl_deny = 0,
    acl_refuse,
    acl_deny_non_local,
    acl_refuse_non_local,
    acl_allow,
    acl_allow_snoop,
    acl_allow_setrd
};

struct acl_list {
    struct regional* region;
    rbtree_type tree;
};

struct acl_addr {
    struct addr_tree_node node;
    enum acl_access control;
    uint8_t* taglist;
    size_t taglen;
    uint8_t* tag_actions;
    size_t tag_actions_size;
    struct config_strlist** tag_datas;
    size_t tag_datas_size;
    /* view element, NULL if none */
    struct view* view;
};

struct acl_list* acl_list_create(void);

void acl_list_delete(struct acl_list* acl);

int acl_list_apply_cfg(struct acl_list* acl, struct config_file* cfg,
    struct views* v);

enum acl_access acl_get_control(struct acl_addr* acl);

struct acl_addr*
acl_addr_lookup(struct acl_list* acl, struct sockaddr_storage* addr,
        socklen_t addrlen);

size_t acl_list_get_mem(struct acl_list* acl);
 
#endif /* DAEMON_ACL_LIST_H */