confparser.y.dirty 143 KB
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%{
/*
 * Copyright (C) 1996-2000  Internet Software Consortium.
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 *
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 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM
 * DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
 * INTERNET SOFTWARE CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT,
 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
 * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
 * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
 * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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 */

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/* $Id: confparser.y.dirty,v 1.12 2000/08/23 23:54:58 gson Exp $ */
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#include <config.h>

#include <ctype.h>
#include <errno.h>
#include <limits.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <syslog.h>

#include <sys/types.h>

#include <isc/dir.h>
#include <isc/error.h>
#include <isc/lex.h>
#include <isc/mem.h>
#include <isc/mutex.h>
#include <isc/net.h>
#include <isc/netaddr.h>
#include <isc/once.h>
#include <isc/string.h>
#include <isc/symtab.h>
#include <isc/util.h>

#include <dns/confcommon.h>
#include <dns/confctx.h>
#include <dns/confparser.h>
#include <dns/log.h>
#include <dns/name.h>
#include <dns/peer.h>
#include <dns/rdataclass.h>
#include <dns/rdatatype.h>
#include <dns/result.h>
#include <dns/ssu.h>
#include <dns/types.h>


/* Type keys for symtab lookup */
#define KEYWORD_SYM_TYPE 0x1
#define CLASS_SYM_TYPE 0x2
#define ACL_SYM_TYPE 0x3


/* used for holding a list of dns_rdatatype_t on the stack */
struct confrdtype_s {
	dns_rdatatype_t *types;
	isc_uint32_t idx;
};

/* used for holding ssu data on the stack */
struct confssu_s {
	isc_boolean_t grant;
	dns_name_t *ident;
	unsigned int matchtype;
	dns_name_t *name;
	struct confrdtype_s rdatatypes;
};

struct keydetails_s {
	char *algorithm;
	char *secret;
};


static isc_mutex_t		yacc_mutex;

/* All these statics are protected by the above yacc_mutex */
static dns_c_ctx_t	       *currcfg;
static isc_mem_t	       *memctx; /* used for internal allocations */
static isc_lex_t	       *mylexer;
static isc_symtab_t	       *keywords;
static dns_c_cbks_t	       *callbacks;
static isc_lexspecials_t	specials;


/*
 * XXXJAB The #define for the default OMAPI port is not available
 * to us, so we make our own.
 */
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#define OMAPI_DEFAULT_PORT 953
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#define CONF_MAX_IDENT 1024

/* This should be sufficient to permit multiple parsers and lexers if needed */
#define yyparse dns__yyparse

#define YYDEBUG 1

/*
 * Specify a small parser stack size.  This is needed when
 * using bison the generate the parser, because it puts
 * the parser stack in a local variable, and the default
 * initial stack size of 200 is big enough to cause a
 * thread stack overflow.  Berkeley yacc does not suffer
 * from this problem as it allocates the parser stack
 * using malloc.
 */

#define YYMAXDEPTH 200
#define YYINITDEPTH 200


static isc_result_t	tmpres;
static in_port_t	default_port;

int			yyparse(void);
static int		yylex(void);
static void		parser_error(isc_boolean_t lasttoken,
				     const char *fmt, ...);
static void		parser_warning(isc_boolean_t lasttoken,
				       const char *fmt, ...);
static void		parser_complain(isc_boolean_t is_warning,
					isc_boolean_t last_token,
					const char *format, va_list args);
static isc_result_t	unit_to_uint32(char *in, isc_uint32_t *out);
static const char *	token_to_keyword(int token);
static void		yyerror(const char *);
static dns_peerlist_t	*currentpeerlist(dns_c_ctx_t *cfg,
					 isc_boolean_t createIfNeeded);
static isc_boolean_t	keydefinedinscope(dns_c_ctx_t *cfg,
					  const char *name);



/* returns true if (base * mult) would be too big.*/
static isc_boolean_t	int_too_big(isc_uint32_t base, isc_uint32_t mult);

/*
 * #define global symbols that various versions of YACC export into our
 * namespace.  This won't work for all versions, but we hope to cover
 * the popular ones.
 */

/*
 * All YACCs
 */
#define yychar		dns__yychar
#define yydebug		dns__yydebug
#define yylval		dns__yylval
#define yynerrs		dns__yynerrs
/*
 * BYACC
 */
#define yyerrflag	dns__yyerrflag
#define yyss		dns__yyss
#define yyssp		dns__yyssp
#define yyval		dns__yyval
#define yyvs		dns__yyvs
#define yyvsp		dns__yyvsp
/*
 * AIX
 */
#define yyps		dns__yyps
#define yypv		dns__yypv
#define yypvt		dns__yypvt
#define yys		dns__yys
#define yystate		dns__yystate
#define yytmp		dns__yytmp
#define yyv		dns__yyv
#define yyval		dns__yyval
#define yyact		dns__yyact
#define yychk		dns__yychk
#define yydef		dns__yydef
#define yyexca		dns__yyexca
#define yypact		dns__yypact
#define yypgo		dns__yypgo
#define yyr1		dns__yyr1
#define yyr2		dns__yyr2
#define yyreds		dns__yyreds
#define yytoks		dns__yytoks

%}

%union {
	char		       *text;
	int			number;
	isc_int32_t		l_int;
	isc_uint32_t		ul_int;
	isc_uint16_t		port_int;
	dns_c_zonetype_t	ztype;
	struct in_addr		ip4_addr;
	struct in6_addr		ip6_addr;
	isc_sockaddr_t		ipaddress;

	struct keydetails_s	keydetails;
	struct confssu_s	ssu;
	struct confrdtype_s	rdatatypelist;
	dns_rdatatype_t		rdatatype;
	dns_c_addata_t		addata;

	isc_boolean_t		boolean;
	dns_rdataclass_t	rrclass;
	dns_severity_t		severity;
	dns_c_trans_t		transport;
	dns_transfer_format_t	tformat;
	dns_notifytype_t	notifytype;

	dns_c_ipmatchelement_t	*ime;
	dns_c_ipmatchlist_t	*iml;

	dns_c_forw_t		forward;
	dns_c_rrso_t	       *rrorder;
	dns_c_rrsolist_t       *rrolist;
	dns_rdatatype_t		ordertype;
	dns_rdataclass_t	orderclass;
	dns_c_ordering_t	ordering;
	dns_c_iplist_t	       *iplist;
	dns_c_kidlist_t	       *kidlist;
}

/* Misc */
%token <text>		L_STRING
%token <text>		L_QSTRING
%token <l_int>		L_INTEGER
%token <ip4_addr>	L_IP4ADDR
%token <ip6_addr>	L_IP6ADDR

%token		L_ACL
%token		L_ADDITIONAL_DATA
%token		L_ADDRESS
%token		L_ALGID
%token		L_ALLOW
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#ifndef NOMINUM_PUBLIC
%token		L_ALLOW_NOTIFY
#endif /* NOMINUM_PUBLIC */
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%token		L_ALLOW_QUERY
%token		L_ALLOW_RECURSION
%token		L_ALLOW_TRANSFER
%token		L_ALLOW_UPDATE
%token		L_ALLOW_UPDATE_FORWARDING
%token		L_ALSO_NOTIFY
%token		L_AUTH_NXDOMAIN
%token		L_BANG
%token		L_BLACKHOLE
%token		L_BOGUS
%token		L_MAX_CACHE_SIZE
%token		L_CATEGORY
%token		L_CHANNEL
%token		L_CHECK_NAMES
%token		L_CLASS
%token		L_CLEAN_INTERVAL
%token		L_CONTROLS
%token		L_CORESIZE
%token		L_DATASIZE
%token		L_DATABASE
%token		L_DEALLOC_ON_EXIT
%token		L_DEBUG
%token		L_DEFAULT
%token		L_DENY
%token		L_DIALUP
%token		L_DIRECTORY
%token		L_DUMP_FILE
%token		L_DYNAMIC
%token		L_ENABLE_ZONE
%token		L_END_INCLUDE
%token		L_EOS
%token		L_EXPERT_MODE
%token		L_FAIL
%token		L_FAKE_IQUERY
%token		L_FALSE
%token		L_FETCH_GLUE
%token		L_FILE
%token		L_FILES
%token		L_FILE_IXFR
%token		L_FIRST
%token		L_FORWARD
%token		L_FORWARDERS
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%token		L_ADDITIONAL_FROM_AUTH
%token		L_ADDITIONAL_FROM_CACHE
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%token		L_GRANT
%token		L_GROUP
%token		L_HAS_OLD_CLIENTS
%token		L_HEARTBEAT
%token		L_HINT
%token		L_HOSTSTATS
%token		L_IF_NO_ANSWER
%token		L_IF_NO_DOMAIN
%token		L_IGNORE
%token		L_INCLUDE
%token		L_INET
%token		L_INTERFACE_INTERVAL
%token		L_INTERNAL
%token		L_IXFR_TMP
%token		L_KEYS
%token		L_LAME_TTL
%token		L_LBRACE
%token		L_LISTEN_ON
%token		L_LISTEN_ON_V6
%token		L_LOGGING
%token		L_MAINTAIN_IXFR_BASE
%token		L_MANY_ANSWERS
%token		L_MASTER
%token		L_MASTERS
%token		L_MATCH_CLIENTS
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%token		L_MAXIMAL
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%token		L_MAX_CACHE_TTL
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%token		L_MAX_LOG_SIZE_IXFR
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#ifndef NOMINUM_PUBLIC
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%token		L_MAX_NAMES
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#endif /* NOMINUM_PUBLIC */
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%token		L_MAX_NCACHE_TTL
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%token		L_MAX_REFRESH_TIME
%token		L_MAX_RETRY_TIME
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%token		L_MAX_TRANSFER_IDLE_IN
%token		L_MAX_TRANSFER_IDLE_OUT
%token		L_MAX_TRANSFER_TIME_IN
%token		L_MAX_TRANSFER_TIME_OUT
%token		L_MEMSTATS_FILE
%token		L_MINIMAL
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%token		L_MIN_REFRESH_TIME
%token		L_MIN_RETRY_TIME
%token		L_MIN_ROOTS
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%token		L_MULTIPLE_CNAMES
%token		L_NAME
%token		L_NAMED_XFER
%token		L_NO
%token		L_NOTIFY
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#ifndef NOMINUM_PUBLIC
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%token		L_NOTIFY_FORWARD
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#endif /* NOMINUM_PUBLIC */
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%token		L_NULL_OUTPUT
%token		L_ONE_ANSWER
%token		L_ONLY
%token		L_OPTIONS
%token		L_ORDER
%token		L_OWNER
%token		L_RANDOM_DEVICE
%token		L_RANDOM_SEED_FILE
%token		L_PERM
%token		L_PIDFILE
%token		L_PORT
%token		L_PRINT_CATEGORY
%token		L_PRINT_SEVERITY
%token		L_PRINT_TIME
%token		L_PROVIDE_IXFR
%token		L_PUBKEY
%token		L_QUERY_SOURCE
%token		L_QUERY_SOURCE_V6
%token		L_RBRACE
%token		L_RECURSION
%token		L_RECURSIVE_CLIENTS
%token		L_REQUEST_IXFR
%token		L_RESPONSE
%token		L_RFC2308_TYPE1
%token		L_RRSET_ORDER
%token		L_SECRET
%token		L_SEC_KEY
%token		L_SELF
%token		L_SERIAL_QUERIES
%token		L_SERVER
%token		L_SEVERITY
%token		L_SIG_VALIDITY_INTERVAL
%token		L_SIZE
%token		L_SLASH
%token		L_SLAVE
%token		L_SORTLIST
%token		L_STACKSIZE
%token		L_STATS_FILE
%token		L_STATS_INTERVAL
%token		L_STDERR
%token		L_STUB
%token		L_SUBDOMAIN
%token		L_SUPPORT_IXFR
%token		L_SYSLOG
%token		L_TCP_CLIENTS
%token		L_TKEY_DHKEY
%token		L_TKEY_DOMAIN
%token		L_TOPOLOGY
%token		L_TRANSFERS
%token		L_TRANSFERS_IN
%token		L_TRANSFERS_OUT
%token		L_TRANSFERS_PER_NS
%token		L_TRANSFER_FORMAT
%token		L_TRANSFER_SOURCE
%token		L_TRANSFER_SOURCE_V6
%token		L_TREAT_CR_AS_SPACE
%token		L_TRUE
%token		L_TRUSTED_KEYS
%token		L_TYPE
%token		L_UNIX
%token		L_UNLIMITED
%token		L_UPDATE_POLICY
%token		L_USE_ID_POOL
%token		L_USE_IXFR
%token		L_VERSION
%token		L_VERSIONS
%token		L_VIEW
%token		L_WARN
%token		L_WILDCARD
%token		L_YES
%token		L_ZONE
%token		L_EXPLICIT


%type <addata>		additional_data
%type <boolean>		grantp
%type <boolean>		yea_or_nay
%type <notifytype>	notify_setting
%type <forward>		forward_opt
%type <forward>		zone_forward_opt
%type <ime>		address_match_element
%type <ime>		address_match_simple
%type <ime>		address_name
%type <iml>		address_match_list
%type <ipaddress>	in_addr_elem
%type <ipaddress>	ip4_address
%type <ipaddress>	ip6_address
%type <ipaddress>	ip_address
%type <ipaddress>	maybe_wild_addr
%type <ipaddress>	maybe_wild_ip4_only_addr
%type <ipaddress>	maybe_wild_ip6_only_addr
%type <ipaddress>	query_source_v4
%type <ipaddress>	query_source_v6
%type <ipaddress>	ip_and_port_element
%type <iplist>		in_addr_list
%type <iplist>		opt_in_addr_list
%type <iplist>		opt_zone_forwarders_list
%type <iplist>		port_ip_list
%type <iplist>		ip_and_port_list
%type <number>		facility_name
%type <number>		maybe_syslog_facility
%type <orderclass>	ordering_class
%type <ordertype>	ordering_type
%type <port_int>	in_port
%type <port_int>	maybe_port
%type <port_int>	maybe_wild_port
%type <port_int>	maybe_zero_port
%type <port_int>	control_port
%type <rdatatype>	rdatatype
%type <rdatatypelist>	rdatatype_list
%type <rrclass>		class_name
%type <rrclass>		wild_class_name
%type <rrclass>		optional_class
%type <severity>	check_names_opt
%type <keydetails>	key_definition
%type <ssu>		grant_stmt
%type <text>		algorithm_id
%type <text>		any_string
%type <text>		category_name
%type <text>		channel_name
%type <text>		domain_name
%type <text>		key_value
#ifndef NOMINUM_PUBLIC
%type <text>		maybe_key
#endif /* NOMINUM_PUBLIC */
%type <kidlist>		control_keys
%type <kidlist>		keyid_list
%type <text>		ordering_name
%type <text>		secret
%type <tformat>		transfer_format
%type <transport>	check_names_type;
%type <ul_int>		grant_match_type
%type <ul_int>		size_spec
%type <ztype>		zone_type

/* Miscellaneous items (used in several places): */

%%

config_file: /* nothing */
	| statement_list
	;

statement_list: statement
	| statement_list statement
	;

statement: include_stmt
	| options_stmt L_EOS
	| controls_stmt L_EOS
	| logging_stmt L_EOS
	| server_stmt L_EOS
	| zone_stmt L_EOS
	| trusted_keys_stmt L_EOS
	| acl_stmt L_EOS
	| key_stmt L_EOS
	| view_stmt L_EOS
	| L_END_INCLUDE
	;

/*
 * Note that we must consume the semicolon ending the
 * include statement before switching input streams.
 */
include_stmt: L_INCLUDE L_QSTRING L_EOS
	{
		tmpres = isc_lex_openfile(mylexer, $2);
		if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE, "can't open file %s: %s",
				     $2, isc_result_totext(tmpres));
			YYABORT;
		}

		isc_mem_free(memctx, $2);
	}
	;

options_stmt: L_OPTIONS
	{
		dns_c_options_t *options;

		if (currcfg->zlist != NULL || currcfg->views != NULL) {
			parser_error(ISC_FALSE,
				     "options must come before all "
				     "zones and views");
			YYABORT;
		}
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		tmpres = dns_c_ctx_getoptions(currcfg, &options);
		if (tmpres == ISC_R_SUCCESS) {
			parser_error(ISC_FALSE, "cannot redefine options");

			/*
			 * Clean out options so rest of config won't fail
			 * or issue extra error messages
			 */
			dns_c_ctx_optionsdelete(&currcfg->options);
		}

		tmpres = dns_c_ctx_optionsnew(currcfg->mem, &currcfg->options);
		if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "failed to create options structure: %s",
				     isc_result_totext(tmpres));
			YYABORT;
		}

	} L_LBRACE options L_RBRACE {
		if (callbacks != NULL && callbacks->optscbk != NULL) {
			tmpres = callbacks->optscbk(currcfg,
						    callbacks->optscbkuap);
			if (tmpres != ISC_R_SUCCESS) {
				isc_log_write(dns_lctx,
					      DNS_LOGCATEGORY_CONFIG,
					      DNS_LOGMODULE_CONFIG,
					      ISC_LOG_ERROR,
					      "options configuration "
					      "failed: %s",
					      isc_result_totext(tmpres));
				YYABORT;
			}
		}
	}
	;


options_list: option L_EOS
	| options_list option L_EOS
	;

options: /* nothin */
	| options_list
	;


option: /* Empty */
	| L_VERSION L_QSTRING
	{
		tmpres = dns_c_ctx_setversion(currcfg, $2);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE, "cannot redefine version");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE, "set version error %s: %s",
				     isc_result_totext(tmpres), $2);
			YYABORT;
		}

		isc_mem_free(memctx, $2);
	}
	| L_DIRECTORY L_QSTRING
	{
		tmpres = dns_c_ctx_setdirectory(currcfg, $2);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE, "cannot redefine directory");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "error setting directory: %s: %s",
				     isc_result_totext(tmpres), $2);
			YYABORT;
		}

		isc_mem_free(memctx, $2);
	}
	| L_NAMED_XFER L_QSTRING
	{
		tmpres = dns_c_ctx_setnamedxfer(currcfg, $2);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE, "cannot redefine named-xfer");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE, "set named-xfer error: %s: %s",
				     isc_result_totext(tmpres), $2);
			YYABORT;
		}

		isc_mem_free(memctx, $2);
	}
	| L_RANDOM_DEVICE L_QSTRING
	{
		tmpres = dns_c_ctx_setrandomdevice(currcfg, $2);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine random-device");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "error setting random-device: %s: %s",
				     isc_result_totext(tmpres), $2);
			YYABORT;
		}

		isc_mem_free(memctx, $2);
	}
	| L_RANDOM_SEED_FILE L_QSTRING
	{
		tmpres = dns_c_ctx_setrandomseedfile(currcfg, $2);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine random-seed-file");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "error setting random-seed-file: %s: %s",
				     isc_result_totext(tmpres), $2);
			YYABORT;
		}

		isc_mem_free(memctx, $2);
	}
	| L_TKEY_DOMAIN L_QSTRING
	{
		tmpres = dns_c_ctx_settkeydomain(currcfg, $2);

		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE, "cannot redefine tkey-domain");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "set tkey-domain error: %s: %s",
				     isc_result_totext(tmpres), $2);
			YYABORT;
		}

		isc_mem_free(memctx, $2);
	}
	| L_TKEY_DHKEY L_QSTRING L_INTEGER
	{
		tmpres = dns_c_ctx_settkeydhkey(currcfg, $2, $3);

		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE, "cannot redefine tkey-dhkey");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE, "set tkey-dhkey error: %s: %s",
				     isc_result_totext(tmpres), $2);
			YYABORT;
		}

		isc_mem_free(memctx, $2);
	}
	| L_PIDFILE L_QSTRING
	{
		tmpres = dns_c_ctx_setpidfilename(currcfg, $2);

		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE, "cannot redefine pid-file");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE, "set pidfile error %s: %s",
				     isc_result_totext(tmpres), $2);
			YYABORT;
		}

		isc_mem_free(memctx, $2);
	}
	| L_STATS_FILE L_QSTRING
	{
		tmpres = dns_c_ctx_setstatsfilename(currcfg, $2);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine statistics-file");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE, "set statsfile error %s: %s",
				     isc_result_totext(tmpres), $2);
			YYABORT;
		}

		isc_mem_free(memctx, $2);
	}
	| L_MEMSTATS_FILE L_QSTRING
	{
		tmpres = dns_c_ctx_setmemstatsfilename(currcfg, $2);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine memstatistics-file");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "set memstatsfile error %s: %s",
				     isc_result_totext(tmpres), $2);
			YYABORT;
		}

		isc_mem_free(memctx, $2);
	}
	| L_DUMP_FILE L_QSTRING
	{
		tmpres = dns_c_ctx_setdumpfilename(currcfg, $2);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE, "cannot redefine dump-file");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE, "set dumpfile error %s: %s",
				     isc_result_totext(tmpres), $2);
			YYABORT;
		}

		isc_mem_free(memctx, $2);
	}
	| L_EXPERT_MODE yea_or_nay
	{
		tmpres = dns_c_ctx_setexpertmode(currcfg, $2);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine expert-mode");
			YYABORT;
		}
	}
	| L_FAKE_IQUERY yea_or_nay
	{
		tmpres = dns_c_ctx_setfakeiquery(currcfg, ISC_FALSE);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine fake-iquery");
			YYABORT;
		}
	}
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#ifndef NOMINUM_PUBLIC
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	| L_NOTIFY_FORWARD yea_or_nay
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	{
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		tmpres = dns_c_ctx_setnotifyforward(currcfg, ISC_FALSE);
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		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
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				     "cannot redefine notify-forward");
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			YYABORT;
		}
	}
#endif /* NOMINUM_PUBLIC */
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	| L_RECURSION yea_or_nay
	{
		tmpres = dns_c_ctx_setrecursion(currcfg, $2);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE, "cannot redefine recursion");
			YYABORT;
		}
	}
	| L_FETCH_GLUE yea_or_nay
	{
		tmpres = dns_c_ctx_setfetchglue(currcfg, $2);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE, "cannot redefine fetch-glue");
			YYABORT;
		}
	}
	| L_NOTIFY notify_setting
	{
		tmpres = dns_c_ctx_setnotify(currcfg, $2);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE, "cannot redefine notify");
			YYABORT;
		}
	}
	| L_HOSTSTATS yea_or_nay
	{
		tmpres = dns_c_ctx_sethoststatistics(currcfg, $2);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine host-statistics");
			YYABORT;
		}
	}
	| L_DEALLOC_ON_EXIT yea_or_nay
	{
		tmpres = dns_c_ctx_setdealloconexit(currcfg, $2);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine deallocate-on-exit");
			YYABORT;
		}
	}
	| L_USE_IXFR yea_or_nay
	{
		tmpres = dns_c_ctx_setuseixfr(currcfg, $2);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE, "cannot redefine use-ixfr");
			YYABORT;
		}
	}
	| L_MAINTAIN_IXFR_BASE yea_or_nay
	{
		/*
		 * Backwards compatibility, treated as
		 * equivalent to provide-ixfr.
		 */
		tmpres = dns_c_ctx_setprovideixfr(currcfg, $2);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine provide-ixfr");
			YYABORT;
		}
	}
	| L_HAS_OLD_CLIENTS yea_or_nay
	{
		tmpres = dns_c_ctx_sethasoldclients(currcfg, $2);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine has-old-clients");
			YYABORT;
		}
	}
	| L_AUTH_NXDOMAIN yea_or_nay
	{
		tmpres = dns_c_ctx_setauthnxdomain(currcfg, $2);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine auth-nxdomain");
			YYABORT;
		}
	}
	| L_MULTIPLE_CNAMES yea_or_nay
	{
		tmpres = dns_c_ctx_setmultiplecnames(currcfg, $2);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine multiple-cnames");
			YYABORT;
		}
	}
	| L_CHECK_NAMES check_names_type check_names_opt
	{
		tmpres = dns_c_ctx_setchecknames(currcfg, $2, $3);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine check-names");
			YYABORT;
		}
	}
	| L_USE_ID_POOL yea_or_nay
	{
		tmpres = dns_c_ctx_setuseidpool(currcfg, $2);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine use-id-pool");
			YYABORT;
		}
	}
	| L_RFC2308_TYPE1 yea_or_nay
	{
		tmpres = dns_c_ctx_setrfc2308type1(currcfg, $2);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine rfc2308-type");
			YYABORT;
		}
	}
	| L_PROVIDE_IXFR yea_or_nay
	{
		tmpres = dns_c_ctx_setprovideixfr(currcfg, $2);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine provide-ixfr");
			YYABORT;
		}
	}
	| L_REQUEST_IXFR yea_or_nay
	{
		tmpres = dns_c_ctx_setrequestixfr(currcfg, $2);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine request-ixfr");
			YYABORT;
		}
	}
	| L_TREAT_CR_AS_SPACE yea_or_nay
	{
		tmpres = dns_c_ctx_settreatcrasspace(currcfg, $2);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine treat-cr-as-space");
			YYABORT;
		}
	}
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	| L_ADDITIONAL_FROM_CACHE yea_or_nay
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	{
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		tmpres = dns_c_ctx_setadditionalfromcache(currcfg, $2);
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		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
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				     "cannot redefine additional-from-cache");
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			YYABORT;
		}
	}
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	| L_ADDITIONAL_FROM_AUTH yea_or_nay
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	{
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		tmpres = dns_c_ctx_setadditionalfromauth(currcfg, $2);
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		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
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				     "cannot redefine additional-from-auth");
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			YYABORT;
		}
	}
	| L_LISTEN_ON maybe_port L_LBRACE address_match_list L_RBRACE
	{
		if ($4 == NULL) {
			parser_warning(ISC_FALSE,
				       "address-match-list empty implies"
				       "listen statement ignored");
		} else {
			tmpres = dns_c_ctx_addlisten_on(currcfg, $2, $4,
							ISC_FALSE);

			if (tmpres != ISC_R_SUCCESS) {
				parser_error(ISC_FALSE,
					     "failed to add listen statement");
				YYABORT;
			}
		}
	}
	| L_LISTEN_ON_V6 maybe_port L_LBRACE address_match_list L_RBRACE
	{
		if ($4 == NULL) {
			parser_warning(ISC_FALSE,
				       "address-match-list empty implies"
				       "listen statement ignored");
		} else {
			tmpres = dns_c_ctx_addv6listen_on(currcfg, $2, $4,
							  ISC_FALSE);

			if (tmpres != ISC_R_SUCCESS) {
				parser_error(ISC_FALSE,
					     "failed to add "
					     "v6listen statement");
				YYABORT;
			}
		}
	}
	| L_FORWARD forward_opt
	{
		tmpres = dns_c_ctx_setforward(currcfg, $2);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE, "cannot redefine forward");
			YYABORT;
		}
	}
	| L_FORWARDERS {
		dns_c_iplist_t *forwarders;

		tmpres = dns_c_ctx_getforwarders(currcfg, &forwarders);
		if (tmpres != ISC_R_NOTFOUND) {
			parser_warning(ISC_FALSE,
				       "cannot redefine options forwarders");
			dns_c_iplist_detach(&forwarders);
		}

		tmpres = dns_c_iplist_new(currcfg->mem, 5, &forwarders);
		if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "failed to create forwarders list");
			YYABORT;
		}

		tmpres = dns_c_ctx_setforwarders(currcfg, ISC_FALSE,
						 forwarders);
		if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "failed to set forwarders list");
			YYABORT;
		}
	} L_LBRACE opt_forwarders_list L_RBRACE
	| L_QUERY_SOURCE query_source_v4
	{
		tmpres = dns_c_ctx_setquerysource(currcfg, $2);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine query-source");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "failed to set query-source");
			YYABORT;
		}
	}
	| L_QUERY_SOURCE_V6 query_source_v6
	{
		tmpres = dns_c_ctx_setquerysourcev6(currcfg, $2);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine query-source-v6");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "failed to set query-source-v6");
			YYABORT;
		}
	}
	| L_TRANSFER_SOURCE maybe_wild_ip4_only_addr
	{
		tmpres = dns_c_ctx_settransfersource(currcfg, $2);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine transfer-source");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "failed to set transfer-source");
			YYABORT;
		}
	}
	| L_TRANSFER_SOURCE_V6 maybe_wild_ip6_only_addr
	{
		tmpres = dns_c_ctx_settransfersourcev6(currcfg, $2);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine transfer-source-v6");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "failed to set transfer-source-v6");
			YYABORT;
		}
	}
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#ifndef NOMINUM_PUBLIC
	| L_ALLOW_NOTIFY L_LBRACE address_match_list L_RBRACE
	{
		if ($3 == NULL)
			YYABORT;

		tmpres = dns_c_ctx_setallownotify(currcfg, $3);
		dns_c_ipmatchlist_detach(&$3);

		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine allow-notify list");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE, "failed to set allow-notify");
			YYABORT;
		}
	}
#endif /* NOMINUM_PUBLIC */
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	| L_ALLOW_QUERY L_LBRACE address_match_list L_RBRACE
	{
		if ($3 == NULL)
			YYABORT;

		tmpres = dns_c_ctx_setallowquery(currcfg, $3);
		dns_c_ipmatchlist_detach(&$3);

		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine allow-query list");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE, "failed to set allow-query");
			YYABORT;
		}
	}
	| L_ALLOW_TRANSFER L_LBRACE address_match_list L_RBRACE
	{
		tmpres = dns_c_ctx_setallowtransfer(currcfg, $3);
		dns_c_ipmatchlist_detach(&$3);

		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine allow-transfer list");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "failed to set allow-transfer");
			YYABORT;
		}
	}
	| L_ALLOW_RECURSION L_LBRACE address_match_list L_RBRACE
	{
		tmpres = dns_c_ctx_setallowrecursion(currcfg, $3);
		dns_c_ipmatchlist_detach(&$3);

		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine allow-recursion list");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "failed to set allow-recursion");
			YYABORT;
		}
	}
	| L_SORTLIST  L_LBRACE address_match_list L_RBRACE
	{
		tmpres = dns_c_ctx_setsortlist(currcfg, $3);
		dns_c_ipmatchlist_detach(&$3);

		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE, "cannot redefine sortlist");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE, "failed to set sortlist");
			YYABORT;
		}
	}
	| L_ALSO_NOTIFY port_ip_list
	{
		tmpres = dns_c_ctx_setalsonotify(currcfg, $2);
		dns_c_iplist_detach(&$2);

		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine also-notify");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE, "failed to set also-notify");
			YYABORT;
		}
	}
	| L_BLACKHOLE L_LBRACE address_match_list L_RBRACE
	{
		tmpres = dns_c_ctx_setblackhole(currcfg, $3);
		dns_c_ipmatchlist_detach(&$3);

		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE, "cannot redefine blackhole");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE, "failed to set blackhole");
			YYABORT;
		}
	}
	| L_TOPOLOGY L_LBRACE address_match_list L_RBRACE
	{
		tmpres = dns_c_ctx_settopology(currcfg, $3);
		dns_c_ipmatchlist_detach(&$3);

		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE, "cannot redefine topology");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE, "failed to set topology");
			YYABORT;
		}
	}
	| size_clause
	| transfer_clause
	| L_TRANSFER_FORMAT transfer_format
	{
		tmpres = dns_c_ctx_settransferformat(currcfg, $2);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine transfer-format");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "failed to set transfer-format");
			YYABORT;
		}
	}
	| L_MAX_TRANSFER_TIME_IN L_INTEGER
	{
		if ( int_too_big($2, 60) ) {
			parser_error(ISC_FALSE,
				     "integer value too big: %u", $2);
			YYABORT;
		}

		tmpres = dns_c_ctx_setmaxtransfertimein(currcfg, $2 * 60);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine max-transfer-time-in");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "failed to set max-transfer-time-in");
			YYABORT;
		}
	}
	| L_PORT in_port
	{
		tmpres = dns_c_ctx_setport(currcfg, $2);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine port");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "failed to set port");
			YYABORT;
		}
		default_port = $2;
	}
	| L_MAX_TRANSFER_TIME_OUT L_INTEGER
	{
		if ( int_too_big($2, 60) ) {
			parser_error(ISC_FALSE,
				     "integer value too big: %u", $2);
			YYABORT;
		}

		tmpres = dns_c_ctx_setmaxtransfertimeout(currcfg, $2 * 60);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine max-transfer-time-out");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "failed to set max-transfer-time-out");
			YYABORT;
		}
	}
	| L_MAX_TRANSFER_IDLE_IN L_INTEGER
	{
		if ( int_too_big($2, 60) ) {
			parser_error(ISC_FALSE,
				     "integer value too big: %u", $2);
			YYABORT;
		}

		tmpres = dns_c_ctx_setmaxtransferidlein(currcfg, $2 * 60);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine max-transfer-idle-in");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "failed to set max-transfer-idle-in");
			YYABORT;
		}
	}
	| L_MAX_TRANSFER_IDLE_OUT L_INTEGER
	{
		if ( int_too_big($2, 60) ) {
			parser_error(ISC_FALSE,
				     "integer value too big: %u", $2);
			YYABORT;
		}

		tmpres = dns_c_ctx_setmaxtransferidleout(currcfg, $2 * 60);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine max-transfer-idle-out");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "failed to set max-transfer-idle-out");
			YYABORT;
		}
	}
	| L_TCP_CLIENTS L_INTEGER
	{
		tmpres = dns_c_ctx_settcpclients(currcfg, $2);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine tcp-clients");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "failed to set tcp-clients");
			YYABORT;
		}
	}
	| L_SIG_VALIDITY_INTERVAL L_INTEGER
	{
		tmpres = dns_c_ctx_setsigvalidityinterval(currcfg, $2);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine sig-validity-interval");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "failed to set sig-validity-interval");
			YYABORT;
		}
	}
	| L_LAME_TTL L_INTEGER
	{
		tmpres = dns_c_ctx_setlamettl(currcfg, $2);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE, "cannot redefine lame-ttl");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE, "failed to set lame-ttl");
			YYABORT;
		}
	}
	| L_RECURSIVE_CLIENTS L_INTEGER
	{
		tmpres = dns_c_ctx_setrecursiveclients(currcfg, $2);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine recursive-clients");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "failed to set recursive-clients");
			YYABORT;
		}
	}
	| L_MIN_ROOTS L_INTEGER
	{
		tmpres = dns_c_ctx_setminroots(currcfg, $2);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine min-roots");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "failed to set min-roots");
			YYABORT;
		}
	}
	| L_SERIAL_QUERIES L_INTEGER
	{
		tmpres = dns_c_ctx_setserialqueries(currcfg, $2);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine serial-queries");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "failed to set serial-queries");
			YYABORT;
		}
	}
	| L_CLEAN_INTERVAL L_INTEGER
	{
		if ( int_too_big($2, 60) ) {
			parser_error(ISC_FALSE,
				     "integer value too big: %u", $2);
			YYABORT;
		}

		tmpres = dns_c_ctx_setcleaninterval(currcfg, $2 * 60);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine cleaning-interval");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "failed to set cleaning-interval");
			YYABORT;
		}
	}
	| L_INTERFACE_INTERVAL L_INTEGER
	{
		if ( int_too_big($2, 60) ) {
			parser_error(ISC_FALSE,
				     "integer value too big: %u", $2);
			YYABORT;
		}

		tmpres = dns_c_ctx_setinterfaceinterval(currcfg, $2 * 60);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine interface-interval");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "failed to set interface-interval");
			YYABORT;
		}
	}
	| L_STATS_INTERVAL L_INTEGER
	{
		if ( int_too_big($2, 60) ) {
			parser_error(ISC_FALSE,
				     "integer value too big: %u", $2);
			YYABORT;
		}

		tmpres = dns_c_ctx_setstatsinterval(currcfg, $2 * 60);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine statistics-interval");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "failed to set statistics-interval");
			YYABORT;
		}
	}
	| L_MAX_LOG_SIZE_IXFR L_INTEGER
	{
		tmpres = dns_c_ctx_setmaxlogsizeixfr(currcfg, $2);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine max-ixfr-log-size");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "failed to set max-ixfr-log-size");
			YYABORT;
		}
	}
	| L_MAX_NCACHE_TTL L_INTEGER
	{
		tmpres = dns_c_ctx_setmaxncachettl(currcfg, $2);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine max-ncache-ttl");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "failed to set max-ncache-ttl");
			YYABORT;
		}
	}
	| L_MAX_CACHE_TTL L_INTEGER
	{
		tmpres = dns_c_ctx_setmaxcachettl(currcfg, $2);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine max-cache-ttl");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "failed to set max-cache-ttl");
			YYABORT;
		}
	}
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	| L_MAX_RETRY_TIME L_INTEGER
	{
		tmpres = dns_c_ctx_setmaxretrytime(currcfg, $2);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine max-retry-time");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "failed to set max-retry-time");
			YYABORT;
		}
	}
	| L_MIN_RETRY_TIME L_INTEGER
	{
		tmpres = dns_c_ctx_setminretrytime(currcfg, $2);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine min-retry-time");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "failed to set min-retry-time");
			YYABORT;
		}
	}
	| L_MAX_REFRESH_TIME L_INTEGER
	{
		tmpres = dns_c_ctx_setmaxrefreshtime(currcfg, $2);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine max-refresh-time");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "failed to set max-refresh-time");
			YYABORT;
		}
	}
	| L_MIN_REFRESH_TIME L_INTEGER
	{
		tmpres = dns_c_ctx_setminrefreshtime(currcfg, $2);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine min-refresh-time");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "failed to set min-refresh-time");
			YYABORT;
		}
	}
1503
#ifndef NOMINUM_PUBLIC
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	| L_MAX_NAMES L_INTEGER
	{
		tmpres = dns_c_ctx_setmaxnames(currcfg, $2);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine max-names");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "failed to set max-names");
			YYABORT;
		}
	}
1517
#endif /* NOMINUM_PUBLIC */
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	| L_HEARTBEAT L_INTEGER
	{
		if ( int_too_big($2, 60) ) {
			parser_error(ISC_FALSE,
				     "integer value too big: %u", $2);
			YYABORT;
		}

		tmpres = dns_c_ctx_setheartbeatinterval(currcfg, $2 * 60);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine heartbeat-interval");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "failed to set heartbeat-interval");
			YYABORT;
		}
	}
	| L_DIALUP yea_or_nay
	{
		tmpres = dns_c_ctx_setdialup(currcfg, $2);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE, "cannot redefine dialup");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE, "failed to set dialup");
			YYABORT;
		}
	}
	| L_RRSET_ORDER
	{
		dns_c_rrsolist_t *ordering;

		tmpres = dns_c_ctx_getrrsetorderlist(currcfg, &ordering);
		if (tmpres != ISC_R_NOTFOUND) {
			parser_warning(ISC_FALSE,
				       "cannot redefine rrset-order list");
			dns_c_rrsolist_clear(ordering);
		} else {
			tmpres = dns_c_rrsolist_new(currcfg->mem, &ordering);
			if (tmpres != ISC_R_SUCCESS) {
				parser_error(ISC_FALSE,
					     "failed to create rrset-order "
					     "list");
				YYABORT;
			}
			tmpres = dns_c_ctx_setrrsetorderlist(currcfg,
							     ISC_FALSE,
							     ordering);
			if (tmpres != ISC_R_SUCCESS) {
				parser_error(ISC_FALSE,
					     "failed to set rrset-order");
				YYABORT;
			}
		}
	} L_LBRACE rrset_ordering_list L_RBRACE
	| L_ALLOW_UPDATE_FORWARDING L_LBRACE address_match_list L_RBRACE
	{
		tmpres = dns_c_ctx_setallowupdateforwarding(currcfg, $3);
		dns_c_ipmatchlist_detach(&$3);

		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine "
				     "allow-update-forwarding");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "failed to set allow-update-forwarding");
			YYABORT;
		}
	}
	| L_ADDITIONAL_DATA additional_data
	{
		tmpres = dns_c_ctx_setadditionaldata(currcfg, $2);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine additional-data");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "failed to set additional-data");
			YYABORT;
		}
	}
	;


/*
 * Controls.
 */
controls_stmt: L_CONTROLS
	{
		if (currcfg->controls != NULL) {
			parser_warning(ISC_FALSE, "cannot redefine controls");
			dns_c_ctrllist_delete(&currcfg->controls);
		}

		tmpres = dns_c_ctrllist_new(currcfg->mem,
					    &currcfg->controls);
		if (tmpres != ISC_R_SUCCESS) {
			YYABORT;
		}
	} L_LBRACE controls L_RBRACE
	;

controls: control L_EOS
	| controls control L_EOS
	;

control: /* Empty */
	| L_INET maybe_wild_addr control_port
	  L_ALLOW L_LBRACE address_match_list L_RBRACE control_keys
	{
		dns_c_ctrl_t *control;

		tmpres = dns_c_ctrlinet_new(currcfg->mem, &control,
					    $2, $3, $6, $8, ISC_FALSE);

		if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "failed to build inet control structure");
			YYABORT;
		}

		ISC_LIST_APPEND(currcfg->controls->elements, control, next);
	}
	| L_UNIX L_QSTRING L_PERM L_INTEGER L_OWNER L_INTEGER L_GROUP L_INTEGER
	{
		dns_c_ctrl_t *control;

		tmpres = dns_c_ctrlunix_new(currcfg->mem, &control,
					    $2, $4, $6, $8);
		if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "failed to build unix control structure");
			YYABORT;
		}

		ISC_LIST_APPEND(currcfg->controls->elements, control, next);

		isc_mem_free(memctx, $2);
	}
	;


control_keys: /* nothing */
	{
		$$ = NULL;
	}
	| L_KEYS L_LBRACE keyid_list L_RBRACE
	{
		$$ = $3;
	};

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control_port: /* nothing */
	{
		$$ = OMAPI_DEFAULT_PORT;
	}
	| L_PORT in_port
	{
		$$ = $2;
	};


rrset_ordering_list: rrset_ordering_element L_EOS
	| rrset_ordering_list rrset_ordering_element L_EOS
	;

ordering_class: /* nothing */
	{
		$$ = dns_rdataclass_any;
	}
	| L_CLASS wild_class_name
	{
		$$ = $2;
	}
	;

ordering_type: /* nothing */
	{
		$$ = dns_rdatatype_any;
	}
	| L_TYPE any_string
	{
		isc_textregion_t reg;
		dns_rdatatype_t ty;

		if (strcmp($2, "*") == 0) {
			ty = dns_rdatatype_any;
		} else {
			reg.base = $2;
			reg.length = strlen($2);

			tmpres = dns_rdatatype_fromtext(&ty, &reg);
			if (tmpres != ISC_R_SUCCESS) {
				parser_warning(ISC_TRUE,
					       "unknown type, assuming '*'");
				ty = dns_rdatatype_any;
			}
		}

		isc_mem_free(memctx, $2);
		$$ = ty;
	}
	;


ordering_name: /* nothing */
	{
		$$ = isc_mem_strdup(memctx, "*");
	}
	| L_NAME domain_name
	{
		if (strcmp($2, ".") == 0 || strcmp($2, "*.") == 0) {
			$$ = isc_mem_strdup(memctx, "*");
			isc_mem_free(memctx, $2);
		} else {
			$$ = $2;
		}
	}


rrset_ordering_element: ordering_class ordering_type ordering_name
	L_ORDER L_STRING
	{
		dns_c_rrso_t *orderelem;
		dns_c_ordering_t o;

		tmpres = dns_c_string2ordering($5, &o);
		if (tmpres != ISC_R_SUCCESS) {
			parser_warning(ISC_FALSE,
				       "unknown ordering type '%s'"
				       " using default", $5);
			o = DNS_DEFAULT_ORDERING;
		}

		tmpres = dns_c_rrso_new(currcfg->mem,
					&orderelem, $1, $2, $3, o);
		if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "failed to create rrset-order element");
			YYABORT;
		}

		ISC_LIST_APPEND(currcfg->options->ordering->elements,
				orderelem, next);

		isc_mem_free(memctx, $5);
		isc_mem_free(memctx, $3);
	}


transfer_format: L_ONE_ANSWER
	{
		$$ = dns_one_answer;
	}
	| L_MANY_ANSWERS
	{
		$$ = dns_many_answers;
	}
	;

#ifndef NOMINUM_PUBLIC

maybe_key: /* nothing */
	{
		$$ = NULL;
	}
	| L_SEC_KEY any_string
	{
		$$ = $2;
	};
#endif /* NOMINUM_PUBLIC */

maybe_wild_addr: ip4_address
	| ip6_address
	| L_STRING
	{
		isc_sockaddr_any(&$$);

		if (strcmp($1, "*") != 0)
			parser_error(ISC_TRUE,
				     "bad IP address, using IPv4 '*'");

		isc_mem_free(memctx, $1);
	}
	;

maybe_wild_ip4_only_addr: ip4_address
	{
		$$ = $1;
	}
	| ip6_address
	{
		parser_error(ISC_FALSE,
			     "cannot have an IPv6 address in this context");
		YYABORT;
	}
	| L_STRING
	{
		isc_sockaddr_any(&$$);

		if (strcmp($1, "*") != 0)
			parser_error(ISC_TRUE,
				     "bad IPv4 address, using '*'");

		isc_mem_free(memctx, $1);
	}
	;

maybe_wild_ip6_only_addr: ip6_address
	{
		$$ = $1;
	}
	| ip4_address
	{
		parser_error(ISC_FALSE,
			     "cannot have an IPv4 address in this context");
		YYABORT;
	}
	| L_STRING
	{
		isc_sockaddr_any6(&$$);

		if (strcmp($1, "*") != 0)
			parser_error(ISC_TRUE,
				     "bad IPv6 address, using '*'");

		isc_mem_free(memctx, $1);
	}
	;

maybe_wild_port: in_port
	{
		$$ = $1;
	}
	| L_STRING
	{
		$$ = 0;

		if (strcmp ($1, "*") != 0) {
			parser_error(ISC_TRUE,
				     "bad port specification using '*'");
		}

		isc_mem_free(memctx, $1);
	}
	;


port_ip_list: maybe_zero_port L_LBRACE ip_and_port_list L_RBRACE
	{
		in_port_t port = $1;
		dns_c_iplist_t *list = $3;
		unsigned int i;

		if (port == 0)
			port = default_port;

		for (i = 0 ; i < list->nextidx ; i++) {
			if (isc_sockaddr_getport(&list->ips[i]) == 0) {
				isc_sockaddr_setport(&list->ips[i], port);
			}
		}

		$$ = list;
	};


ip_and_port_element: ip_address maybe_zero_port
	{
		isc_sockaddr_setport(&$1, $2);
		$$ = $1;
	};


#ifndef NOMINUM_PUBLIC
ip_and_port_list: ip_and_port_element maybe_key L_EOS
#else /* NOMINUM_PUBLIC */
ip_and_port_list: ip_and_port_element L_EOS
#endif /* NOMINUM_PUBLIC */
	{
		dns_c_iplist_t *list;

		tmpres = dns_c_iplist_new(currcfg->mem, 5, &list);
		if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_TRUE,
				     "failed to create new iplist");
			YYABORT;
		}

#ifndef NOMINUM_PUBLIC
		tmpres = dns_c_iplist_append(list, $1, $2);
#else /* NOMINUM_PUBLIC */
		tmpres = dns_c_iplist_append(list, $1);
#endif /* NOMINUM_PUBLIC */
		if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_TRUE,
				     "failed to append master address");
			YYABORT;
		}

#ifndef NOMINUM_PUBLIC
		if ($2 != NULL) {
			isc_mem_free(memctx, $2);
		}
#endif /* NOMINUM_PUBLIC */
1929

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		$$ = list;
	}
#ifndef NOMINUM_PUBLIC
	| ip_and_port_list ip_and_port_element maybe_key L_EOS
#else /* NOMINUM_PUBLIC */
	| ip_and_port_list ip_and_port_element L_EOS
#endif /* NOMINUM_PUBLIC */
	{
#ifndef NOMINUM_PUBLIC
		tmpres = dns_c_iplist_append($1, $2, $3);
#else /* NOMINUM_PUBLIC */
		tmpres = dns_c_iplist_append($1, $2);
#endif /* NOMINUM_PUBLIC */
		if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_TRUE,
				     "failed to append master address");
			YYABORT;
		}

#ifndef NOMINUM_PUBLIC
		if ($3 != NULL) {
			isc_mem_free(memctx, $3);
		}
#endif /* NOMINUM_PUBLIC */

		$$ = $1;
	}
	;



query_source_v6: L_ADDRESS maybe_wild_ip6_only_addr
	{
		isc_sockaddr_setport(&$2, 0); /* '0' is wild port  */
		$$ = $2;
	}
	| L_ADDRESS maybe_wild_ip6_only_addr L_PORT maybe_wild_port
	{
		isc_sockaddr_setport(&$2, $4);
		$$ = $2;
	}
	| L_PORT maybe_wild_port
	{
		isc_sockaddr_t addr;
		isc_sockaddr_fromin6(&addr, &in6addr_any, $2);
		$$ = addr;
	}
	| L_PORT maybe_wild_port L_ADDRESS maybe_wild_ip6_only_addr
	{
		isc_sockaddr_setport(&$4, $2);
		$$ = $4;
	}
	;

query_source_v4: L_ADDRESS maybe_wild_ip4_only_addr
	{
		isc_sockaddr_setport(&$2, 0); /* '0' is wild port  */
		$$ = $2;
	}
	| L_ADDRESS maybe_wild_ip4_only_addr L_PORT maybe_wild_port
	{
		isc_sockaddr_setport(&$2, $4);
		$$ = $2;
	}
	| L_PORT maybe_wild_port
	{
		struct in_addr any;
		isc_sockaddr_t addr;

		memset(&any, 0x0, sizeof any);
		any.s_addr = htonl(INADDR_ANY);
		isc_sockaddr_fromin(&addr, &any, $2);
		$$ = addr;
	}
	| L_PORT maybe_wild_port L_ADDRESS maybe_wild_ip4_only_addr
	{
		isc_sockaddr_setport(&$4, $2);
		$$ = $4;
	}
	;

maybe_port: /* nothing */
	{
		$$ = default_port;
	}
	| L_PORT in_port
	{
		$$ = $2;
	}
	;

maybe_zero_port : /* nothing */
	{
		$$ = 0;
	}
	| L_PORT in_port
	{
		$$ = $2;
	}
	;

additional_data: L_INTERNAL
	{
		$$ = dns_c_ad_internal;
	}
	| L_MINIMAL
	{
		$$ = dns_c_ad_minimal;
	}
	| L_MAXIMAL
	{
		$$ = dns_c_ad_maximal;
	};

yea_or_nay: L_YES
	{
		$$ = isc_boolean_true;
	}
	| L_TRUE
	{
		$$ = isc_boolean_true;
	}
	| L_NO
	{
		$$ = isc_boolean_false;
	}
	| L_FALSE
	{
		$$ = isc_boolean_false;
	}
	| L_INTEGER
	{
		if ($1 == 1) {
			$$ = isc_boolean_true;
		} else if ($1 == 0) {
			$$ = isc_boolean_false;
		} else {
			parser_warning(ISC_TRUE,
				       "number should be 0 or 1, assuming 1");
			$$ = isc_boolean_true;
		}
	}

notify_setting: yea_or_nay
	{
		if ($1)
			$$ = dns_notifytype_yes;
		else
			$$ = dns_notifytype_no;
2079

2080
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	}
	| L_EXPLICIT
	{
		$$ = dns_notifytype_explicit;
	}
	;

check_names_type: L_MASTER
	{
		$$ = dns_trans_primary;
	}
	| L_SLAVE
	{
		$$ = dns_trans_secondary;
	}
	| L_RESPONSE
	{
		$$ = dns_trans_response;
	}
	;

check_names_opt: L_WARN
	{
		$$ = dns_severity_warn;
	}
	| L_FAIL
	{
		$$ = dns_severity_fail;
	}
	| L_IGNORE
	{
		$$ = dns_severity_ignore;
	}
	;

forward_opt: L_ONLY
	{
		$$ = dns_c_forw_only;
	}
	| L_FIRST
	{
		$$ = dns_c_forw_first;
	}
	| L_IF_NO_ANSWER
	{
		$$ = dns_c_forw_noanswer;
	}
	| L_IF_NO_DOMAIN
	{
		$$ = dns_c_forw_nodomain;
	}
	;



size_clause: L_DATASIZE size_spec
	{
		tmpres = dns_c_ctx_setdatasize(currcfg, $2);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE, "cannot redefine datasize");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE, "failed to set datasize");
			YYABORT;
		}
	}
	| L_STACKSIZE size_spec
	{
		tmpres = dns_c_ctx_setstacksize(currcfg, $2);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE, "cannot redefine stacksize");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE, "failed to set stacksize");
			YYABORT;
		}
	}
	| L_CORESIZE size_spec
	{
		tmpres = dns_c_ctx_setcoresize(currcfg, $2);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE, "cannot redefine coresize");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE, "failed to set coresize");
			YYABORT;
		}
	}
	| L_FILES size_spec
	{
		tmpres = dns_c_ctx_setfiles(currcfg, $2);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE, "cannot redefine files");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE, "failed to set files");
			YYABORT;
		}
	}
	| L_MAX_CACHE_SIZE size_spec
	{
		if ($2 == DNS_C_SIZE_SPEC_DEFAULT) {
			parser_error(ISC_FALSE,
				     "cannot specific 'default' for "
				     "'max-cache-size'");
			YYABORT;
		}
2187

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		tmpres = dns_c_ctx_setmaxcachesize(currcfg, $2);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine max-cache-size");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "failed to set max-cache-size");
			YYABORT;
		}
	}
	;


size_spec: any_string
	{
		isc_uint32_t result;

		tmpres = unit_to_uint32($1, &result);
		if (tmpres == ISC_R_SUCCESS) {
			$$ = result;
		} else if (tmpres == ISC_R_RANGE) {
			$$ = DNS_C_SIZE_SPEC_UNLIM;
			parser_warning(ISC_FALSE,
				       "invalid value %s: using 'unlimited'",
				       $1);
		} else if (tmpres == ISC_R_FAILURE) {
			parser_warning(ISC_FALSE,
				       "invalid unit string '%s', Using "
				       "'default'", $1);
			$$ = DNS_C_SIZE_SPEC_DEFAULT;
		} else {
			parser_warning(ISC_FALSE,
				       "unknown result: %s: using 'default'",
				       isc_result_totext(tmpres));
			$$ = DNS_C_SIZE_SPEC_DEFAULT;
		}
2225

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		isc_mem_free(memctx, $1);
	}
	| L_INTEGER
	{
		$$ = (isc_uint32_t)$1;
		if ($$ == DNS_C_SIZE_SPEC_DEFAULT) {
			isc_uint32_t newi = DNS_C_SIZE_SPEC_DEFAULT - 1;
			parser_warning(ISC_FALSE,
				       "value (%lu) too big, Reducing to %lu",
				       (unsigned long) $$,
				       (unsigned long) newi);
			$$ = newi;
		}
	}
	| L_DEFAULT
	{
		$$ = DNS_C_SIZE_SPEC_DEFAULT;
	}
	| L_UNLIMITED
	{
		$$ = DNS_C_SIZE_SPEC_UNLIM;
	}
	;



transfer_clause: L_TRANSFERS_IN L_INTEGER
	{
		tmpres = dns_c_ctx_settransfersin(currcfg, $2);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine transfers-in");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE, "failed to set transfers-in");
			YYABORT;
		}
	}
	| L_TRANSFERS_OUT L_INTEGER
	{
		tmpres = dns_c_ctx_settransfersout(currcfg, $2);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine transfers-out");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "failed to set transfers-out");
			YYABORT;
		}
	}
	| L_TRANSFERS_PER_NS L_INTEGER
	{
		tmpres = dns_c_ctx_settransfersperns(currcfg, $2);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine transfers-per-ns");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "failed to set transfers-per-ns");
			YYABORT;
		}
	}
	;


opt_forwarders_list: /* nothing */ {
	}
	| forwarders_in_addr_list
	;

forwarders_in_addr_list: forwarders_in_addr L_EOS
	| forwarders_in_addr_list forwarders_in_addr L_EOS
	;

forwarders_in_addr: ip_address
	{
#ifndef NOMINUM_PUBLIC
		tmpres = dns_c_iplist_append(currcfg->options->forwarders,
					     $1, NULL);
#else /* NOMINUM_PUBLIC */
		tmpres = dns_c_iplist_append(currcfg->options->forwarders,
					     $1);
#endif /* NOMINUM_PUBLIC */
		if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "failed to add forwarders "
				     "address element");
			YYABORT;
		}
	}
	;


/*
 * Logging
 */

logging_stmt: L_LOGGING
	{
		/* initialized in logging_init() */
		INSIST(currcfg->logging != NULL);
	}
	L_LBRACE logging_opts_list L_RBRACE
	;

logging_opts_list: logging_opt L_EOS
	| logging_opts_list logging_opt L_EOS
	;

logging_opt: category_stmt
	| channel_stmt
	;


channel_stmt:
	L_CHANNEL channel_name L_LBRACE L_FILE L_QSTRING {
		dns_c_logchan_t *newc;

		tmpres = dns_c_ctx_addfile_channel(currcfg,
						   $2, &newc);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "redefing channel %s", $2);
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "failed to add new file channel");
			YYABORT;
		}

		INSIST(newc != NULL);

		tmpres = dns_c_logchan_setpath(newc, $5);
		if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "failed to add file channel's path");
			YYABORT;
		}

		isc_mem_free(memctx, $2);
		isc_mem_free(memctx, $5);
	}  maybe_file_modifiers L_EOS optional_channel_opt_list L_RBRACE
	| L_CHANNEL channel_name L_LBRACE L_SYSLOG maybe_syslog_facility {
		dns_c_logchan_t *newc;

		tmpres = dns_c_ctx_addsyslogchannel(currcfg,
						    $2, &newc);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine channel %s", $2);
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "failed to add new syslog channel");
			YYABORT;
		}

		tmpres = dns_c_logchan_setfacility(newc, $5);
		if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "can't get set channel facility");
			YYABORT;
		}
		isc_mem_free(memctx, $2);
	} L_EOS optional_channel_opt_list L_RBRACE
	| L_CHANNEL channel_name L_LBRACE L_NULL_OUTPUT {
		dns_c_logchan_t *newc;

		tmpres = dns_c_ctx_addnullchannel(currcfg,
						  $2, &newc);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine channel %s", $2);
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "failed to add new channel '%s'", $2);
			YYABORT;
		}

		isc_mem_free(memctx, $2);
	} L_EOS optional_channel_opt_list L_RBRACE
	| L_CHANNEL channel_name L_LBRACE L_STDERR {
		dns_c_logchan_t *newc;

		tmpres = dns_c_ctx_addstderrchannel(currcfg,
                                                    $2, &newc);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine channel %s", $2);
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "failed to add new channel '%s'", $2);
			YYABORT;
		}

		isc_mem_free(memctx, $2);
	} L_EOS optional_channel_opt_list L_RBRACE
	| L_CHANNEL channel_name L_LBRACE logging_non_type_keywords {
		parser_error(ISC_FALSE,
			     "first statment inside a channel definition "
			     "must be 'file' or 'syslog' or 'null'");
		YYABORT;
	}
	;


logging_non_type_keywords: L_SEVERITY | L_PRINT_TIME | L_PRINT_CATEGORY |
	L_PRINT_SEVERITY
	;


optional_channel_opt_list: /* empty */
	| channel_opt_list
	;

category_stmt: L_CATEGORY category_name {
		dns_c_logcat_t *cat;

		tmpres = dns_c_ctx_addcategory(currcfg, $2, &cat);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine category '%s'", $2);
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "failed to add new logging category");
			isc_mem_free(memctx, $2);
			YYABORT;
		}
		isc_mem_free(memctx, $2);
	} L_LBRACE channel_list L_RBRACE
	;


channel_severity: any_string
	{
		dns_c_logseverity_t severity;
		dns_c_logchan_t *chan;

		tmpres = dns_c_string2logseverity($1, &severity);
		if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "unknown severity '%s'", $1);
			YYABORT;
		}

		tmpres = dns_c_ctx_currchannel(currcfg, &chan);
		if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "can't get current channel");
			YYABORT;
		}

		tmpres = dns_c_logchan_setseverity(chan, severity);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE, "cannot redefine severity");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "can't get set channel severity");
			YYABORT;
		}

		isc_mem_free(memctx, $1);
	}
	| L_DEBUG
	{
		dns_c_logchan_t *chan;

		tmpres = dns_c_ctx_currchannel(currcfg, &chan);
		if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "can't get current channel");
			YYABORT;
		}

		tmpres = dns_c_logchan_setseverity(chan,
						   dns_c_log_debug);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE, "cannot redefine severity");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "can't get set channel severity(debug)");
			YYABORT;
		}
	}
	| L_DEBUG L_INTEGER
	{
		dns_c_logchan_t *chan;

		tmpres = dns_c_ctx_currchannel(currcfg, &chan);
		if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "can't get current channel");
			YYABORT;
		}

		tmpres = dns_c_logchan_setseverity(chan,
						   dns_c_log_debug);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE, "cannot redefine severity");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "can't get set channel "
				     "severity (debug)");
			YYABORT;
		}

		tmpres = dns_c_logchan_setdebuglevel(chan, $2);
		if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "can't get set channel "
				     "severity debug level");
			YYABORT;
		}
	}
	| L_DYNAMIC
	{
		dns_c_logchan_t *chan;

		tmpres = dns_c_ctx_currchannel(currcfg, &chan);
		if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "can't get current channel");
			YYABORT;
		}

		tmpres = dns_c_logchan_setseverity(chan,
						   dns_c_log_dynamic);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE, "cannot redefine severity");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "can't get set channel "
				     "severity (dynamic)");
			YYABORT;
		}
	}
	;

version_modifier: L_VERSIONS L_INTEGER
	{
		dns_c_logchan_t *chan;

		tmpres = dns_c_ctx_currchannel(currcfg, &chan);
		if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "can't get current channel");
			YYABORT;
		}

		tmpres = dns_c_logchan_setversions(chan, $2);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE, "cannot redefine versions");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "can't get set channel versions");
			YYABORT;
		}
	}
	| L_VERSIONS L_UNLIMITED
	{
		dns_c_logchan_t *chan;

		tmpres = dns_c_ctx_currchannel(currcfg, &chan);
		if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "can't get current channel");
			YYABORT;
		}

		tmpres = dns_c_logchan_setversions(chan, 0xffffffffU);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE, "cannot redefine versions");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "can't get set channel "
				     "versions (unlimited)");
			YYABORT;
		}
	}
	;

size_modifier: L_SIZE size_spec
	{
		dns_c_logchan_t *chan;

		tmpres = dns_c_ctx_currchannel(currcfg, &chan);
		if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "can't get current channel");
			YYABORT;
		}

		tmpres = dns_c_logchan_setsize(chan, $2);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE, "cannot redefine size");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "can't get set channel size");
			YYABORT;
		}
	}
	;

maybe_file_modifiers: /* nothing */
	| version_modifier
	| size_modifier
	| version_modifier size_modifier
	| size_modifier version_modifier
	;

facility_name: any_string
	{
		tmpres = dns_c_string2facility($1, &$$);
		if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_TRUE, "unknown syslog facility");
			$$ = LOG_DAEMON;
		}

		isc_mem_free(memctx, $1);
	}
	| L_SYSLOG
	{
		$$ = LOG_SYSLOG;
	}
	;

maybe_syslog_facility: /* nothing */
	{
		$$ = LOG_DAEMON;
	}
	| facility_name
	{
		$$ = $1;
	}
	;


channel_opt_list: channel_opt L_EOS
	| channel_opt_list channel_opt L_EOS
	;


channel_opt: L_SEVERITY channel_severity { /* nothing to do */ }
	| L_PRINT_TIME yea_or_nay
	{
		dns_c_logchan_t *chan;

		tmpres = dns_c_ctx_currchannel(currcfg, &chan);
		if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE, "can't get current channel");
			YYABORT;
		}

		tmpres = dns_c_logchan_setprinttime(chan, $2);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE, "cannot redefine print-time");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "can't get set channel print-time");
			YYABORT;
		}
	}
	| L_PRINT_CATEGORY yea_or_nay
	{
		dns_c_logchan_t *chan;

		tmpres = dns_c_ctx_currchannel(currcfg, &chan);
		if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE, "can't get current channel");
			YYABORT;
		}

		tmpres = dns_c_logchan_setprintcat(chan, $2);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine print-category");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "can't get set channel print-category");
			YYABORT;
		}
	}
	| L_PRINT_SEVERITY yea_or_nay
	{
		dns_c_logchan_t *chan;

		tmpres = dns_c_ctx_currchannel(currcfg, &chan);
		if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE, "can't get current channel");
			YYABORT;
		}

		tmpres = dns_c_logchan_setprintsev(chan, $2);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine print-severity");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "can't get set channel print-severity");
			YYABORT;
		}
	}
	;


channel_name: any_string
	| L_NULL_OUTPUT
	{
		$$ = isc_mem_strdup(memctx, "null");
	}
	;


channel: channel_name
	{
		dns_c_logcat_t *cat;

		/*
		 * XXX validate the channel name refers to a previously
		 * defined channel
		 */
		tmpres = dns_c_ctx_currcategory(currcfg, &cat);
		if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE, "can't get current category");
			YYABORT;
		}

		tmpres = dns_c_logcat_addname(cat, $1);
		if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "can't add new name to category");
			YYABORT;
		}

		isc_mem_free(memctx, $1);
	}
	;


channel_list: channel L_EOS
	| channel_list channel L_EOS
	;


category_name: any_string
	{
		$$ = $1;
	}
	| L_DEFAULT
	{
		const char *name = token_to_keyword(L_DEFAULT);

		REQUIRE(name != NULL);

		$$ = isc_mem_strdup(memctx, name);
	}
	| L_NOTIFY
	{
		const char *name = token_to_keyword(L_NOTIFY);

		REQUIRE(name != NULL);

		$$ = isc_mem_strdup(memctx, name);
	}
	;

/*
 * Server Information
 */

server_stmt: L_SERVER ip_address
	{
		isc_netaddr_t netaddr;
		dns_peer_t *peer = NULL;
		dns_peerlist_t *peers = currentpeerlist(currcfg, ISC_TRUE);

		isc_netaddr_fromsockaddr(&netaddr, &$2);

		/*
		 * Check that this IP hasn't already been used.
		 */
		tmpres = dns_peerlist_peerbyaddr(peers, &netaddr, &peer);
		if (tmpres == ISC_R_SUCCESS) {
			dns_peer_detach(&peer);
			parser_error(ISC_TRUE, "cannot redefine peer");
			YYABORT;
		}

		tmpres = dns_peer_new(currcfg->mem, &netaddr, &peer);
		if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "failed to create peer structure");
			YYABORT;
		}

		dns_peerlist_addpeer(peers, peer);
		dns_peerlist_detach(&peers);
		dns_peer_detach(&peer);
	}
	L_LBRACE server_info_list L_RBRACE
	;

server_info_list: server_info L_EOS
	| server_info_list server_info L_EOS
	;

server_info: L_BOGUS yea_or_nay
	{
		dns_peer_t *peer = NULL;
		dns_peerlist_t *peerlist = currentpeerlist(currcfg, ISC_FALSE);

		REQUIRE(peerlist != NULL);

		dns_peerlist_currpeer(peerlist, &peer);

		INSIST(peer != NULL);

		tmpres = dns_peer_setbogus(peer, $2);
		dns_peer_detach(&peer);
		dns_peerlist_detach(&peerlist);

		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine server bogus value");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "error setting server bogus value");
			YYABORT;
		}

	}
	| L_SUPPORT_IXFR yea_or_nay
	{
		/*
		 * Backwards compatibility, equivalent to request-ixfr.
		 */
		dns_peer_t *peer = NULL;
		dns_peerlist_t *peerlist = currentpeerlist(currcfg, ISC_FALSE);

		REQUIRE(peerlist != NULL);

		dns_peerlist_currpeer(peerlist, &peer);

		INSIST(peer != NULL);

		tmpres = dns_peer_setrequestixfr(peer, $2);
		dns_peer_detach(&peer);
		dns_peerlist_detach(&peerlist);

		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine peer "
				     "request-ixfr value");
			YYABORT;
		} else if(tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "error setting peer "
				     "request-ixfr value");
			YYABORT;
		}
	}
	| L_PROVIDE_IXFR yea_or_nay
	{
		dns_peer_t *peer = NULL;
		dns_peerlist_t *peerlist = currentpeerlist(currcfg, ISC_FALSE);

		REQUIRE(peerlist != NULL);

		dns_peerlist_currpeer(peerlist, &peer);

		INSIST(peer != NULL);

		tmpres = dns_peer_setprovideixfr(peer, $2);
		dns_peer_detach(&peer);
		dns_peerlist_detach(&peerlist);

		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine peer "
				     "provide-ixfr value");
			YYABORT;
		} else if(tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "error setting peer "
				     "provide-ixfr value");
			YYABORT;
		}
	}
	| L_REQUEST_IXFR yea_or_nay
	{
		dns_peer_t *peer = NULL;
		dns_peerlist_t *peerlist = currentpeerlist(currcfg, ISC_FALSE);

		REQUIRE(peerlist != NULL);

		dns_peerlist_currpeer(peerlist, &peer);

		INSIST(peer != NULL);

		tmpres = dns_peer_setrequestixfr(peer, $2);
		dns_peer_detach(&peer);
		dns_peerlist_detach(&peerlist);

		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine peer "
				     "request-ixfr value");
			YYABORT;
		} else if(tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "error setting peer "
				     "request-ixfr value");
			YYABORT;
		}
	}
	| L_TRANSFERS L_INTEGER
	{
		dns_peer_t *peer = NULL;
		dns_peerlist_t *peerlist = currentpeerlist(currcfg, ISC_FALSE);

		REQUIRE(peerlist != NULL);

		dns_peerlist_currpeer(peerlist, &peer);

		INSIST(peer != NULL);

		tmpres = dns_peer_settransfers(peer, $2);
		dns_peer_detach(&peer);
		dns_peerlist_detach(&peerlist);

		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine peer transfers value");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "error setting peer transfers value");
			YYABORT;
		}
	}
	| L_TRANSFER_FORMAT transfer_format
	{
		dns_peer_t *peer = NULL;
		dns_peerlist_t *peerlist = currentpeerlist(currcfg, ISC_FALSE);

		REQUIRE(peerlist != NULL);

		dns_peerlist_currpeer(peerlist, &peer);

		INSIST(peer != NULL);

		tmpres = dns_peer_settransferformat(peer, $2);
		dns_peer_detach(&peer);
		dns_peerlist_detach(&peerlist);

		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine peer transfer-format "
				     "value");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "error setting peer transfer-format "
				     "value");
			YYABORT;
		}
	}
	| L_KEYS key_value {
		dns_name_t *name = NULL;
		dns_peer_t *peer = NULL;
		dns_peerlist_t *peerlist = currentpeerlist(currcfg, ISC_FALSE);

		REQUIRE(peerlist != NULL);

		dns_peerlist_currpeer(peerlist, &peer);

		INSIST(peer != NULL);

		if (!keydefinedinscope(currcfg, $2)) {
			parser_error(ISC_FALSE,
				     "undefined key '%s' referenced", $2);
			YYABORT;
		}

		tmpres = dns_c_charptoname(peer->mem, $2, &name);
		if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "error creating key name value");
			YYABORT;
		}

		tmpres = dns_peer_setkey(peer, &name);
		isc_mem_free(memctx, $2);
		dns_peer_detach(&peer);
		dns_peerlist_detach(&peerlist);

		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine peer key value");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "error setting peer key value");
			YYABORT;
		}
	}
	;


key_value: L_LBRACE any_string maybe_eos L_RBRACE
	{
		$$ = $2;
	}
	| any_string
	{
		$$ = $1;
	};


keyid_list: /* nothing */
	{
		dns_c_kidlist_t *kidlist = NULL;

		tmpres = dns_c_kidlist_new(currcfg->mem, &kidlist);
		if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE, "failed to create kidlist");
			YYABORT;
		}

		$$ = kidlist;
	}
	| keyid_list any_string L_EOS
	{
		dns_c_kid_t *kid = NULL;

		tmpres = dns_c_kid_new($$->mem, $2, &kid);
		if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE, "failed to create key id");
			dns_c_kidlist_delete(&$$);
			$$ = NULL;
			YYABORT;
		}

		isc_mem_free(memctx, $2);
3086

3087
3088
3089
		dns_c_kidlist_append($$, kid);
	};

3090

3091
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3350
/*
 * Address Matching
 */

address_match_list: address_match_element L_EOS
	{
		dns_c_ipmatchlist_t *ml = 0;

		if ($1 != NULL) {
			tmpres = dns_c_ipmatchlist_new(currcfg->mem, &ml);
			if (tmpres != ISC_R_SUCCESS) {
				parser_error(ISC_FALSE, "insufficient memory");
				dns_c_ipmatchelement_delete(currcfg->mem,
							    &$1);
				YYABORT;
			}

			ISC_LIST_APPEND(ml->elements, $1, next);
		}

		$$ = ml;
	}
	| address_match_list address_match_element L_EOS
	{
		dns_c_ipmatchlist_t *ml = $1;

		if (ml == NULL && $2 != NULL) {
			tmpres = dns_c_ipmatchlist_new(currcfg->mem, &ml);
			if (tmpres != ISC_R_SUCCESS) {
				parser_error(ISC_FALSE, "insufficient memory");
				dns_c_ipmatchelement_delete(currcfg->mem,
							    &$2);
				YYABORT;
			}
		}

		if ($2 != NULL) {
			ISC_LIST_APPEND(ml->elements, $2, next);
		}

		$$ = ml;
	}
	;

address_match_element: address_match_simple
	| L_BANG address_match_simple
	{
		if ($2 != NULL) {
			dns_c_ipmatch_negate($2);
		}
		$$ = $2;
	}
	| L_SEC_KEY L_STRING
	{
		dns_c_ipmatchelement_t *ime = NULL;

		if (!keydefinedinscope(currcfg, $2)) {
			parser_error(ISC_FALSE,
				     "address match key element (%s) "
				     "referenced before defined", $2);
			YYABORT;
		} else {
			tmpres = dns_c_ipmatchkey_new(currcfg->mem, &ime, $2);
			if (tmpres != ISC_R_SUCCESS) {
				parser_error(ISC_TRUE,
					     "failed to create address match "
					     "key element for %s", $2);
				YYABORT;
			}
		}

		isc_mem_free(memctx, $2);
		$$ = ime;
	}
	;

address_match_simple: ip_address
	{
		dns_c_ipmatchelement_t *ime = NULL;
		unsigned int prefixlen = 0;

		switch ($1.type.sa.sa_family) {
		case AF_INET:
			prefixlen = 32;
			break;
		case AF_INET6:
			prefixlen = 128;
			break;
		default:
			INSIST(0);
			break;
		}
		tmpres = dns_c_ipmatchpattern_new(currcfg->mem, &ime, $1,
						  prefixlen);
		switch (tmpres) {
		case ISC_R_FAILURE:
			parser_error(ISC_FALSE, "bad address match element");
			YYABORT;
			break;

		case ISC_R_NOMEMORY:
			parser_error(ISC_FALSE,
				     "insufficient memory available");
			YYABORT;
			break;

		case ISC_R_SUCCESS:
			break;
		}

		$$ = ime;
	}
	| ip_address L_SLASH L_INTEGER
	{
		dns_c_ipmatchelement_t *ime = NULL;

		if ($3 < 0 ||
		    ($1.type.sa.sa_family == AF_INET && $3 > 32) ||
		    ($1.type.sa.sa_family == AF_INET6 && $3 > 128)) {
			parser_warning(ISC_FALSE,
				       "mask bits (%d) out of range: "
				       "skipping", (int)$3);
			$$ = NULL;
		} else {
			tmpres = dns_c_ipmatchpattern_new(currcfg->mem, &ime,
							  $1, $3);
			switch (tmpres) {
			case ISC_R_FAILURE:
				parser_error(ISC_FALSE,
					     "bad address match element");
				YYABORT;
				break;

			case ISC_R_NOMEMORY:
				parser_error(ISC_FALSE,
					     "insufficient memory available");
				YYABORT;
				break;

			case ISC_R_SUCCESS:
				break;
			}
		}

		$$ = ime;
	}
	| L_INTEGER L_SLASH L_INTEGER
	{
		struct in_addr ia;
		dns_c_ipmatchelement_t *ime = NULL;
		isc_sockaddr_t address;

		if ($1 > 255) {
			parser_error(ISC_FALSE,
				     "address out of range; skipping");
			YYABORT;
		} else {
			if ($3 < 0 || $3 > 32) {
				parser_warning(ISC_FALSE,
					       "mask bits out of range; "
					       "skipping");
				$$ = NULL;
			} else {
				ia.s_addr = htonl(($1 & 0xff) << 24);
				isc_sockaddr_fromin(&address, &ia, 0);

				tmpres =
					dns_c_ipmatchpattern_new(currcfg->mem,
								 &ime,
								 address,
								 $3);
				switch (tmpres) {
				case ISC_R_FAILURE:
					parser_error(ISC_FALSE,
						     "bad address match "
						     "element");
					YYABORT;
					break;

				case ISC_R_NOMEMORY:
					parser_error(ISC_FALSE,
						     "insufficient memory "
						     "available");
					YYABORT;
					break;

				case ISC_R_SUCCESS:
					break;
				}
			}
		}

		$$ = ime;
	}
	| address_name
	| L_LBRACE address_match_list L_RBRACE
	{
		dns_c_ipmatchelement_t *ime = NULL;

		if ($2 != NULL) {
			tmpres = dns_c_ipmatchindirect_new(currcfg->mem, &ime,
							   $2, NULL);
			if (tmpres != ISC_R_SUCCESS) {
				parser_error(ISC_FALSE,
					     "failed to create indirect "
					     "ipmatch list");
				YYABORT;
			}
		}

		dns_c_ipmatchlist_detach(&$2);

		$$ = ime;
	}
	;

address_name: any_string
	{
		dns_c_ipmatchelement_t *elem;
		dns_c_acl_t *acl;

		if (strcmp($1, "any") == 0) {
			tmpres = dns_c_ipmatchany_new(currcfg->mem, &elem);
			if (tmpres != ISC_R_SUCCESS) {
				parser_error(ISC_FALSE,
					     "failed to create 'any'"
					     " ipmatch element");
				YYABORT;
			}
		} else if (strcmp($1, "none") == 0) {
			tmpres = dns_c_ipmatchany_new(currcfg->mem, &elem);
			if (tmpres != ISC_R_SUCCESS) {
				parser_error(ISC_FALSE,
					     "failed to create 'none'"
					     " ipmatch element");
				YYABORT;
			}
			dns_c_ipmatch_negate(elem);
		} else if (strcmp($1, "localhost") == 0) {
			tmpres = dns_c_ipmatchlocalhost_new(currcfg->mem,
							    &elem);
			if (tmpres != ISC_R_SUCCESS) {
				parser_error(ISC_FALSE,
					     "failed to create 'localhost'"
					     " ipmatch element");
				YYABORT;
			}
		} else if (strcmp($1, "localnets") == 0) {
			tmpres = dns_c_ipmatchlocalnets_new(currcfg->mem,
							    &elem);
			if (tmpres != ISC_R_SUCCESS) {
				parser_error(ISC_FALSE,
					     "failed to create 'localnets'"
					     " ipmatch element");
				YYABORT;
			}
		} else {
			tmpres = dns_c_acltable_getacl(currcfg->acls,
						       $1, &acl);
			if (tmpres == ISC_R_NOTFOUND) {
3351
3352
3353
3354
				parser_error(ISC_FALSE,
					     "undefined acl '%s' "
					     "referenced", $1);
				YYABORT;
3355
3356
3357
3358
3359
3360
3361
3362
3363
3364
3365
3366
3367
3368
3369
3370
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3373
3374
3375
3376
3377
3378
3379
3380
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3382
3383
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3389
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			} else {
				tmpres = dns_c_ipmatch_aclnew(currcfg->mem,
							      &elem, $1);
				if (tmpres != ISC_R_SUCCESS) {
					parser_error(ISC_FALSE,
						     "failed to create "
						     "IPE-ACL");
					YYABORT;
				}
			}
		}

		isc_mem_free(memctx, $1);
		$$ = elem;
	}
	;

/*
 * Keys
 */


key_stmt: L_SEC_KEY any_string L_LBRACE key_definition L_RBRACE
	{
		dns_c_kdef_t *keydef;
		dns_c_view_t *view = dns_c_ctx_getcurrview(currcfg);
		dns_c_kdeflist_t *list = NULL;

		if (view == NULL) {
			tmpres = dns_c_ctx_getkdeflist(currcfg, &list);
		} else {
			tmpres = dns_c_view_getkeydefs(view, &list);
		}

		if (tmpres == ISC_R_NOTFOUND) {
			tmpres = dns_c_kdeflist_new(currcfg->mem,
						    &list);
			if (tmpres != ISC_R_SUCCESS) {
				parser_error(ISC_FALSE,
					     "failed to create keylist");
				isc_mem_free(memctx, $2);
				isc_mem_free(memctx, $4.algorithm);
				isc_mem_free(memctx, $4.secret);

				YYABORT;
			}

			if (view == NULL) {
				tmpres = dns_c_ctx_setkdeflist(currcfg,
							       list,
							       ISC_FALSE);
			} else {
				tmpres = dns_c_view_setkeydefs(view, list);
			}

			if (tmpres != ISC_R_SUCCESS) {
				parser_error(ISC_FALSE,
					     "failed to set keylist");
				dns_c_kdeflist_delete(&list);
				isc_mem_free(memctx, $2);
				isc_mem_free(memctx, $4.algorithm);
				isc_mem_free(memctx, $4.secret);

				YYABORT;
			}
		}

		tmpres = dns_c_kdef_new(currcfg->mem, $2, &keydef);
		if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE, "failed to create key");
			isc_mem_free(memctx, $2);
			isc_mem_free(memctx, $4.algorithm);
			isc_mem_free(memctx, $4.secret);
			YYABORT;
		}

		tmpres = dns_c_kdef_setalgorithm(keydef, $4.algorithm);
		if (tmpres == ISC_R_SUCCESS) {
			tmpres = dns_c_kdef_setsecret(keydef, $4.secret);
		}

		if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "failed to set key details");
			isc_mem_free(memctx, $2);
			isc_mem_free(memctx, $4.algorithm);
			isc_mem_free(memctx, $4.secret);
		}

		dns_c_kdeflist_append(list, keydef, ISC_FALSE);

		isc_mem_free(memctx, $2);
		isc_mem_free(memctx, $4.algorithm);
		isc_mem_free(memctx, $4.secret);
	}
	;

key_definition: algorithm_id secret
	{
		$$.algorithm = $1;
		$$.secret = $2;
	}
	| secret algorithm_id
	{
		$$.algorithm = $2;
		$$.secret = $1;
	}
	;

algorithm_id: L_ALGID any_string L_EOS
	{
		$$ = $2;
	}
	;

secret: L_SECRET any_string L_EOS
	{
		$$ = $2;
	}
	;


/*
 * Views
 */


view_stmt: L_VIEW any_string optional_class L_LBRACE
	{
		dns_c_view_t *view;

		if (currcfg->views == NULL) {
			tmpres = dns_c_viewtable_new(currcfg->mem,
						     &currcfg->views);
			if (tmpres != ISC_R_SUCCESS) {
				parser_error(ISC_FALSE,
					     "failed to create viewtable");
				YYABORT;
			}
		}

		tmpres = dns_c_view_new(currcfg->mem, $2, $3, &view);
		if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "failed to create view %s", $2);
			YYABORT;
		}

		dns_c_viewtable_addview(currcfg->views, view);
		dns_c_ctx_setcurrview(currcfg, view);

		isc_mem_free(memctx, $2);
	} optional_view_options_list L_RBRACE {
		dns_c_ctx_setcurrview(currcfg, NULL);
	};

optional_view_options_list:
	| view_options_list
	;

view_options_list: view_option L_EOS
	| view_options_list view_option L_EOS;


view_option: L_FORWARD zone_forward_opt
	{
		dns_c_view_t *view = dns_c_ctx_getcurrview(currcfg);

		INSIST(view != NULL);

		tmpres = dns_c_view_setforward(view, $2);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine view forward");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "failed to set view forward");
			YYABORT;
		}
	}
	| L_FORWARDERS L_LBRACE opt_in_addr_list L_RBRACE
	{
		dns_c_view_t *view = dns_c_ctx_getcurrview(currcfg);

		INSIST(view != NULL);

		tmpres = dns_c_view_setforwarders(view,
						  $3, ISC_FALSE);
		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine view forwarders");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "failed to set view forwarders");
			YYABORT;
		}
	}
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#ifndef	NOMINUM_PUBLIC
	| L_ALLOW_NOTIFY L_LBRACE address_match_list L_RBRACE
	{
		dns_c_view_t *view = dns_c_ctx_getcurrview(currcfg);

		INSIST(view != NULL);

		tmpres = dns_c_view_setallownotify(view, $3);
		dns_c_ipmatchlist_detach(&$3);

		if (tmpres == ISC_R_EXISTS) {
			parser_error(ISC_FALSE,
				     "cannot redefine view allow-notify");
			YYABORT;
		} else if (tmpres != ISC_R_SUCCESS) {
			parser_error(ISC_FALSE,
				     "failed to set view allow-notify");
			YYABORT;
		}
	}
#endif /* NOMINUM_PUBLIC */
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