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87 lines
2.6 KiB
C
87 lines
2.6 KiB
C
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/*
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* validator/validator.h - secure validator DNS query response module
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*
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* Copyright (c) 2007, NLnet Labs. All rights reserved.
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*
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* This software is open source.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* Neither the name of the NLNET LABS nor the names of its contributors may
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* be used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/**
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* \file
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*
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* This file contains a module that performs validation of DNS queries.
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* According to RFC 4034.
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*/
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#ifndef VALIDATOR_VALIDATOR_H
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#define VALIDATOR_VALIDATOR_H
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struct module_func_block;
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/**
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* Global state for the validator.
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*/
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struct val_env {
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/** global state placeholder */
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int option;
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};
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/**
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* State of the validator for a query.
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*/
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enum val_state {
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/** initial state for validation */
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VAL_STATE_INIT = 0
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};
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/**
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* Per query state for the validator module.
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*/
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struct val_qstate {
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/**
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* State of the validator module.
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*/
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enum val_state state;
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};
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/**
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* Get the validator function block.
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* @return: function block with function pointers to validator methods.
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*/
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struct module_func_block* val_get_funcblock();
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/**
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* Get validator state as a string
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* @param state: to convert
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* @return constant string that is printable.
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*/
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const char* val_state_to_string(enum val_state state);
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#endif /* VALIDATOR_VALIDATOR_H */
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