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/****************************************************************************
* Copyright (C) 1998 WIDE Project. All rights reserved.
* Copyright (C) 1999,2000,2001,2002 University of Tromso. All rights reserved.
* Copyright (C) 2002 Invenia Innovation AS. All rights reserved.
*
* Author: Feike W. Dillema, feico@pasta.cs.uit.no.
* based on newbie code by Yusuke DOI, Keio Univ. Murai Lab.
****************************************************************************/
/*
* <$Id: tot_constants.h,v 3.16 2002/03/14 16:21:23 dillema Exp $>
*/
#ifndef TOT_CONSTANTS
#define TOT_CONSTANTS
extern const char *hex;
/*
* TOTD Constants and Default Values
*/
#define TOTPREFIXLEN 24
#define MAXARGS 30
#ifndef MAXINTERFACES
#define MAXINTERFACES MAXARGS
#endif
#ifndef MAXPREFIXES
#define MAXPREFIXES MAXARGS
#endif
#define IF_CHECK_INTERVAL 10
#ifdef DBTCP
#define QUERY_TCP 1
#else
#define QUERY_TCP 0
#endif
/* default pid file -- if NULL no default pid file.*/
#define TOT_PID_FILE "/var/run/totd.pid"
#define SEARCH_CNAME_LEVEL 4 /* maximum levels of cname links we allow */
#define TCP_SRV_TIMEOUT 60 /* Useful value? */
#define SEARCH_REMOTE_TIMEOUT 2 /* timeout in seconds of query to forwarder */
#define SEARCH_REMOTE_RETRY 1 /* number of retransmits */
#define FORWARDER_DEATH_MARK 3
#define PORT_TO 53 /* default port number to forward to */
#define PORT_SRV 53 /* default port number to listen on for requests */
#define MAX_PACKET 512 /* max UDP packet size */
#define MAX_STREAM 65535 /* max TCP stream size */
/*
* there is no good reason to select these value
*/
#define EV_DUP_TABLE_SIZE 1000
#define EV_DUP_CMP_LEN 16
#define EVENT_LIFETIME 60
/*
* TOTD Transaction States
*/
#define WORD_NONE 0
#define WORK_DONE 0
#define FORWARD_REQUEST 1
#define TRICK_REQUEST 2
#define PTR_TRICK_REQUEST 3
#define NEWPTR_TRICK_REQUEST 4
#define PTR_SCOPED_TRICK_REQUEST 5
#ifdef STF
#define STF_DONE 0
#define STF_REQUEST 6
#define STF_NSLIST 7
#define STF_FORWARDING 8
#endif
/* Timeout Event Types */
#define EV_TIMEOUT_NULL 0
#define EV_TIMEOUT_CONTEXT 1
/*
* DNS constants and RFC defined values
*/
#define DNAME_DELIM '.' /* domain name delimiter */
#define MAX_DNAME 256 /* max domain name length */
#define MAX_LABEL 63 /* max label length */
/* OPCODE in the requests */
#define OP_QUERY 0 /* standard query */
/* RCODE in the message */
#define RC_OK 0 /* no error */
#define RC_FMTERR 1 /* format error */
#define RC_SERVERERR 2 /* server error */
#define RC_NAMEERR 3 /* name does not exist error */
#define RC_NXDOMAIN 3 /* alias for NAMEERR */
#define RC_NIMP 4 /* not implimented error */
#define RC_REF 5 /* refused error */
#define RC_YXDOMAIN 6 /* <- rfc2136: request domain exists */
#define RC_YXRRSET 7 /* <- rfc2136: request rrset exists */
#define RC_NXRRSET 8 /* <- rfc2136: request rrset not exist */
#define RC_NOTAUTH 9 /* <- rfc2136: non-authority zone */
#define RC_NOTZONE 10 /* <- rfc2136: not-zone error */
/*
* RR type and query type
* RR means Resource Record
* RT means Resource Type
*/
#define RT_VOID 0
#define RT_A 1
#define RT_NS 2
#define RT_MD 3
#define RT_MF 4
#define RT_CNAME 5
#define RT_SOA 6
#define RT_MB 7
#define RT_MG 8
#define RT_MR 9
#define RT_NULL 10
#define RT_WKS 11
#define RT_PTR 12
#define RT_HINFO 13
#define RT_MINFO 14
#define RT_MX 15
#define RT_TXT 16
#define RT_RP 17 /* rfc1183: responsible person */
#define RT_AAAA 28 /* rfc1886: for IPv6 */
#define RT_SRV 33 /* rfc2052: SRV */
#define RT_A6 38 /* rfc2874: for IPv6 */
#define RT_DNAME 39
/* non standard */
#define RT_UINFO 100
/* these are only for query */
#define RT_TSIG 250
#define RT_IXFR 251
#define RT_AXFR 252
#define RT_ALL 255
/* Class values */
#define C_IN 1
#define C_NONE 254 /* <- rfc2136 */
/* this is only for query */
#define C_ANY 255
/* Bit mask for domain name compression */
#define DNCMP_MASK 0xc0
#define DNCMP_MASK_INT16T 0xc000
#define DNCMP_REDIRECT_LIMIT (0x3000-1)
/* for bit string label */
#define EDNS0_MASK 0x40
#define EDNS0_ELT_BITLABEL 0x41
#endif
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