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/*!
* \file zoneparser.h
*
* \author modifications by Jan Kadlec <jan.kadlec@nic.cz>, most of the code
* by NLnet Labs.
* Copyright (c) 2001-2011, NLnet Labs. All rights reserved.
*
* \brief Zone compiler.
*
* \addtogroup zoneparser
* @{
*/
/*
* Copyright (c) 2001-2011, 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.
*/
#ifndef _KNOTD_ZONEPARSER_H_
#define _KNOTD_ZONEPARSER_H_
#include <stdio.h>
#include "libknot/dname.h"
#include "libknot/rrset.h"
#include "libknot/zone/node.h"
#include "libknot/rdata.h"
#include "libknot/zone/zone.h"
#include "libknot/zone/dname-table.h"
#include "libknot/zone/dname-table.h"
#include "common/slab/slab.h"
#define MAXRDATALEN 64 /*!< Maximum number of RDATA items. */
#define MAXLABELLEN 63 /*!< Maximum label length. */
#define MAXDOMAINLEN 255 /*!< Maximum domain name length */
#define MAX_RDLENGTH 65535 /*!< Maximum length of RDATA item */
#define MAXTOKENSLEN 512 /*!< Maximum number of tokens per entry. */
#define B64BUFSIZE 65535 /*!< Buffer size for b64 conversion. */
#define ROOT (const uint8_t *)"\001" /*!< Root domain name. */
#define NSEC_WINDOW_COUNT 256 /*!< Number of NSEC windows. */
#define NSEC_WINDOW_BITS_COUNT 256 /*!< Number of bits in NSEC window. */
/*! \brief Size of NSEC window in bytes. */
#define NSEC_WINDOW_BITS_SIZE (NSEC_WINDOW_BITS_COUNT / 8)
/*
* RFC 4025 - codes for different types that IPSECKEY can hold.
*/
#define IPSECKEY_NOGATEWAY 0
#define IPSECKEY_IP4 1
#define IPSECKEY_IP6 2
#define IPSECKEY_DNAME 3
#define LINEBUFSZ 1024 /*!< Buffer size for one line in zone file. */
struct lex_data {
size_t len; /*!< holds the label length */
char *str; /*!< holds the data */
};
#define DEFAULT_TTL 3600
int yylex_destroy(void *scanner);
int zp_parse(void *scanner);
void zp_set_in(FILE *f, void *scanner);
int zp_lex_init(void **scanner);
int zp_lex_destroy(void *scanner);
/*! \todo Implement ZoneDB. */
typedef void namedb_type;
/*!
* \brief One-purpose linked list holding pointers to RRSets.
*/
struct rrset_list {
knot_rrset_t *data; /*!< List data. */
struct rrset_list *next; /*!< Next node. */
};
typedef struct rrset_list rrset_list_t;
/*!
* \brief Main zoneparser structure.
*/
struct zparser {
const char *filename; /*!< File with zone. */
uint32_t default_ttl; /*!< Default TTL. */
uint16_t default_class; /*!< Default class. */
knot_zone_t *current_zone; /*!< Current zone. */
knot_node_t *origin; /*!< Origin node. */
knot_dname_t *prev_dname; /*!< Previous dname. */
knot_dname_t *origin_from_config; /*!< Zone origin from config. */
knot_node_t *default_apex; /*!< Zone default apex. */
knot_node_t *last_node; /*!< Last processed node. */
char *dname_str; /*!< Temporary dname. */
int error_occurred; /*!< Error occured flag */
unsigned int errors; /*!< Number of errors. */
unsigned int line; /*!< Current line */
knot_rrset_t *current_rrset; /*!< Current RRSet. */
knot_rdata_item_t *temporary_items; /*!< Temporary rdata items. */
knot_dname_t *root_domain; /*!< Root domain name. */
slab_cache_t *parser_slab; /*!< Slab for parser. */
rrset_list_t *node_rrsigs; /*!< List of RRSIGs in current node. */
int rdata_count; /*!< Count of parsed rdata. */
};
typedef struct zparser zparser_type;
extern zparser_type *parser;
extern void zc_error_prev_line(const char *fmt, ...);
/* used in zonec.lex */
void zc_error_prev_line(const char *fmt, ...);
void zc_warning_prev_line(const char *fmt, ...);
/*!
* \brief Does all the processing of RR - saves to zone, assigns RRSIGs etc.
*/
int process_rr();
/*!
* \brief Parses and creates zone from given file.
*
* \param name Origin domain name string.
* \param zonefile File containing the zone.
* \param outfile File to save dump of the zone to.
* \param semantic_checks Enables or disables sematic checks.
*
* \retval 0 on success.
* \retval -1 on error.
*/
int zone_read(const char *name, const char *zonefile, const char *outfile,
int semantic_checks);
/*!
* \brief Creates zparser instance.
*
*
* \return Created zparser instance.
*/
zparser_type *zparser_create();
/*!
* \brief Inits zoneparser structure.
*
* \param filename Name of file with zone.
* \param ttl Default TTL.
* \param rclass Default class.
* \param origin Zone origin.
*/
void zparser_init(const char *filename, uint32_t ttl, uint16_t rclass,
knot_node_t *origin, knot_dname_t *owner_from_config);
/*!
* \brief Frees zoneparser structure.
*
*/
void zparser_free();
int save_dnames_in_table(knot_dname_table_t *table,
knot_rrset_t *rrset);
#endif /* _KNOTD_ZONEPARSER_H_ */
/*! @} */
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