Adding upstream version 4.99.3.upstream/4.99.3upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 303 insertions, 0 deletions

diff --git a/nameser.h b/nameser.h
new file mode 100644
index 0000000..526c60c
--- /dev/null
+++ b/nameser.h
@@ -0,0 +1,303 @@
+/*
+ * Copyright (c) 1983, 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University 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 REGENTS 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.
+ *
+ *      @(#)nameser.h	8.2 (Berkeley) 2/16/94
+ * -
+ * Portions Copyright (c) 1993 by Digital Equipment Corporation.
+ *
+ * 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, and that
+ * the name of Digital Equipment Corporation not be used in advertising or
+ * publicity pertaining to distribution of the document or software without
+ * specific, written prior permission.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
+ * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS.   IN NO EVENT SHALL DIGITAL EQUIPMENT
+ * CORPORATION 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.
+ * -
+ * --Copyright--
+ */
+
+#ifndef _NAMESER_H_
+#define	_NAMESER_H_
+
+#include <sys/types.h>
+
+/*
+ * Define constants based on rfc883
+ */
+#define PACKETSZ	512		/* maximum packet size */
+#define MAXDNAME	256		/* maximum domain name */
+#define MAXCDNAME	255		/* maximum compressed domain name */
+#define MAXLABEL	63		/* maximum length of domain label */
+	/* Number of bytes of fixed size data in query structure */
+#define QFIXEDSZ	4
+	/* number of bytes of fixed size data in resource record */
+#define RRFIXEDSZ	10
+
+/*
+ * Currently defined opcodes
+ */
+#define QUERY		0x0		/* standard query */
+#define IQUERY		0x1		/* inverse query */
+#define STATUS		0x2		/* nameserver status query */
+#if 0
+#define xxx		0x3		/* 0x3 reserved */
+#endif
+	/* non standard - supports ALLOW_UPDATES stuff from Mike Schwartz */
+#define UPDATEA		0x9		/* add resource record */
+#define UPDATED		0xa		/* delete a specific resource record */
+#define UPDATEDA	0xb		/* delete all named resource record */
+#define UPDATEM		0xc		/* modify a specific resource record */
+#define UPDATEMA	0xd		/* modify all named resource record */
+
+#define ZONEINIT	0xe		/* initial zone transfer */
+#define ZONEREF		0xf		/* incremental zone referesh */
+
+/*
+ * Undefine various #defines from various System V-flavored OSes (Solaris,
+ * SINIX, HP-UX) so the compiler doesn't whine that we redefine them.
+ */
+#ifdef T_NULL
+#undef T_NULL
+#endif
+#ifdef T_OPT
+#undef T_OPT
+#endif
+#ifdef T_UNSPEC
+#undef T_UNSPEC
+#endif
+#ifdef NOERROR
+#undef NOERROR
+#endif
+
+/*
+ * Currently defined response codes
+ */
+#define NOERROR		0		/* no error */
+#define FORMERR		1		/* format error */
+#define SERVFAIL	2		/* server failure */
+#define NXDOMAIN	3		/* non existent domain */
+#define NOTIMP		4		/* not implemented */
+#define REFUSED		5		/* query refused */
+	/* non standard */
+#define NOCHANGE	0xf		/* update failed to change db */
+
+/*
+ * Type values for resources and queries
+ */
+#define T_A		1		/* host address */
+#define T_NS		2		/* authoritative server */
+#define T_MD		3		/* mail destination */
+#define T_MF		4		/* mail forwarder */
+#define T_CNAME		5		/* connonical name */
+#define T_SOA		6		/* start of authority zone */
+#define T_MB		7		/* mailbox domain name */
+#define T_MG		8		/* mail group member */
+#define T_MR		9		/* mail rename name */
+#define T_NULL		10		/* null resource record */
+#define T_WKS		11		/* well known service */
+#define T_PTR		12		/* domain name pointer */
+#define T_HINFO		13		/* host information */
+#define T_MINFO		14		/* mailbox information */
+#define T_MX		15		/* mail routing information */
+#define T_TXT		16		/* text strings */
+#define	T_RP		17		/* responsible person */
+#define	T_AFSDB		18		/* AFS cell database */
+#define T_X25		19		/* X_25 calling address */
+#define T_ISDN		20		/* ISDN calling address */
+#define T_RT		21		/* router */
+#define	T_NSAP		22		/* NSAP address */
+#define	T_NSAP_PTR	23		/* reverse lookup for NSAP */
+#define T_SIG		24		/* security signature */
+#define T_KEY		25		/* security key */
+#define T_PX		26		/* X.400 mail mapping */
+#define T_GPOS		27		/* geographical position (withdrawn) */
+#define T_AAAA		28		/* IP6 Address */
+#define T_LOC		29		/* Location Information */
+#define T_NXT		30		/* Next Valid Name in Zone */
+#define T_EID		31		/* Endpoint identifier */
+#define T_NIMLOC	32		/* Nimrod locator */
+#define T_SRV		33		/* Server selection */
+#define T_ATMA		34		/* ATM Address */
+#define T_NAPTR		35		/* Naming Authority PoinTeR */
+#define T_KX		36		/* Key Exchanger */
+#define T_CERT		37		/* Certificates in the DNS */
+#define T_A6		38		/* IP6 address */
+#define T_DNAME		39		/* non-terminal redirection */
+#define T_SINK		40		/* unknown */
+#define T_OPT		41		/* EDNS0 option (meta-RR) */
+#define T_APL		42		/* lists of address prefixes */
+#define T_DS		43		/* Delegation Signer */
+#define T_SSHFP		44		/* SSH Fingerprint */
+#define T_IPSECKEY	45		/* IPsec keying material */
+#define T_RRSIG		46		/* new security signature */
+#define T_NSEC		47		/* provable insecure information */
+#define T_DNSKEY	48		/* new security key */
+	/* non standard */
+#define T_SPF		99		/* sender policy framework */
+#define T_UINFO		100		/* user (finger) information */
+#define T_UID		101		/* user ID */
+#define T_GID		102		/* group ID */
+#define T_UNSPEC	103		/* Unspecified format (binary data) */
+#define T_UNSPECA	104		/* "unspecified ASCII". Ugly MIT hack */
+	/* Query type values which do not appear in resource records */
+#define T_TKEY		249		/* Transaction Key [RFC2930] */
+#define T_TSIG		250		/* Transaction Signature [RFC2845] */
+#define T_IXFR		251		/* incremental transfer [RFC1995] */
+#define T_AXFR		252		/* transfer zone of authority */
+#define T_MAILB		253		/* transfer mailbox records */
+#define T_MAILA		254		/* transfer mail agent records */
+#define T_ANY		255		/* wildcard match */
+#define T_URI		256		/* uri records [RFC7553] */
+
+/*
+ * Values for class field
+ */
+
+#define C_IN		1		/* the arpa internet */
+#define C_CHAOS		3		/* for chaos net (MIT) */
+#define C_HS		4		/* for Hesiod name server (MIT) (XXX) */
+	/* Query class values which do not appear in resource records */
+#define C_ANY		255		/* wildcard match */
+#define C_QU		0x8000		/* mDNS QU flag in queries */
+#define C_CACHE_FLUSH	0x8000		/* mDNS cache flush flag in replies */
+
+/*
+ * Values for EDNS option types
+ */
+#define E_LLQ           1       /* long lived queries protocol */
+#define E_UL            2       /* dynamic dns update leases */
+#define E_NSID          3       /* name server identifier */
+#define E_DAU           5       /* signal DNSSEC algorithm understood */
+#define E_DHU           6       /* signal DS hash understood */
+#define E_N3U           7       /* signal NSEC3 hash understood */
+#define E_ECS           8       /* EDNS client subnet */
+#define E_EXPIRE        9       /* zone expiration */
+#define E_COOKIE        10      /* DNS cookies */
+#define E_KEEPALIVE     11      /* TCP keepalive */
+#define E_PADDING       12      /* pad DNS messages */
+#define E_CHAIN         13      /* chain DNS queries */
+#define E_KEYTAG        14      /* EDNS key tag */
+#define E_CLIENTTAG     16      /* EDNS client tag */
+#define E_SERVERTAG     17      /* EDNS server tag */
+
+/*
+ * Values for DNSSEC Algorithms
+ * https://www.iana.org/assignments/dns-sec-alg-numbers/dns-sec-alg-numbers.xhtml
+ */
+
+#define A_DELETE                0
+#define A_RSAMD5                1
+#define A_DH                    2
+#define A_DSA                   3
+#define A_RSASHA1               5
+#define A_DSA_NSEC3_SHA1        6
+#define A_RSASHA1_NSEC3_SHA1    7
+#define A_RSASHA256             8
+#define A_RSASHA512             10
+#define A_ECC_GOST              12
+#define A_ECDSAP256SHA256       13
+#define A_ECDSAP384SHA384       14
+#define A_ED25519               15
+#define A_ED448                 16
+#define A_INDIRECT              252
+#define A_PRIVATEDNS            253
+#define A_PRIVATEOID            254
+
+/*
+ * Values for NSEC3 algorithms
+ * https://www.iana.org/assignments/dnssec-nsec3-parameters/dnssec-nsec3-parameters.xhtml
+ */
+#define NSEC_SHA1   1
+
+/*
+ * Values for delegation signer algorithms
+ * https://www.iana.org/assignments/ds-rr-types/ds-rr-types.xhtml
+ */
+#define DS_SHA1     1
+#define DS_SHA256   2
+#define DS_GOST     3
+#define DS_SHA384   4
+
+
+/*
+ * Status return codes for T_UNSPEC conversion routines
+ */
+#define CONV_SUCCESS 0
+#define CONV_OVERFLOW -1
+#define CONV_BADFMT -2
+#define CONV_BADCKSUM -3
+#define CONV_BADBUFLEN -4
+
+/*
+ * Structure for query header.
+ */
+typedef struct {
+	nd_uint16_t id;		/* query identification number */
+	nd_uint16_t flags;	/* QR, Opcode, AA, TC, RD, RA, RCODE */
+	nd_uint16_t qdcount;	/* number of question entries */
+	nd_uint16_t ancount;	/* number of answer entries */
+	nd_uint16_t nscount;	/* number of authority entries */
+	nd_uint16_t arcount;	/* number of resource entries */
+} dns_header_t;
+
+/*
+ * Macros for subfields of flag fields.
+ */
+#define DNS_QR(flags)		((flags) & 0x8000)	/* response flag */
+#define DNS_OPCODE(flags)	(((flags) >> 11) & 0xF)	/* purpose of message */
+#define DNS_AA(flags)		(flags & 0x0400)	/* authoritative answer */
+#define DNS_TC(flags)		(flags & 0x0200)	/* truncated message */
+#define DNS_RD(flags)		(flags & 0x0100)	/* recursion desired */
+#define DNS_RA(flags)		(flags & 0x0080)	/* recursion available */
+#define DNS_AD(flags)		(flags & 0x0020)	/* authentic data from named */
+#define DNS_CD(flags)		(flags & 0x0010)	/* checking disabled by resolver */
+#define DNS_RCODE(flags)	(flags & 0x000F)	/* response code */
+
+/*
+ * Defines for handling compressed domain names, EDNS0 labels, etc.
+ */
+#define TYPE_MASK	0xc0	/* mask for the type bits of the item */
+#define TYPE_INDIR	0xc0	/* 11.... - pointer */
+#define TYPE_RESERVED	0x80	/* 10.... - reserved */
+#define TYPE_EDNS0	0x40	/* 01.... - EDNS(0) label */
+#define TYPE_LABEL	0x00	/* 00.... - regular label */
+#  define EDNS0_ELT_BITLABEL 0x01
+
+#endif /* !_NAMESER_H_ */