OpenSolaris Launch

1 files changed, 248 insertions, 0 deletions

diff --git a/usr/src/lib/libresolv/arpa/nameser.h b/usr/src/lib/libresolv/arpa/nameser.h
new file mode 100644
index 0000000000..cf8dc45f42
--- /dev/null
+++ b/usr/src/lib/libresolv/arpa/nameser.h
@@ -0,0 +1,248 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (the "License").  You may not use this file except in compliance
+ * with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 1994 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+/*	Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T	*/
+/*	  All Rights Reserved  	*/
+
+/*
+ * Portions of this source code were derived from Berkeley 4.3 BSD
+ * under license from the Regents of the University of California.
+ */
+
+#ifndef _ARPA_NAMESER_H
+#define	_ARPA_NAMESER_H
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI"
+
+#include <sys/isa_defs.h>
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+/*
+ * 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
+
+/*
+ * Internet nameserver port number
+ */
+#define	NAMESERVER_PORT	53
+
+/*
+ * Currently defined opcodes
+ */
+#define	QUERY		0x0		/* standard query */
+#define	IQUERY		0x1		/* inverse query */
+#define	STATUS		0x2		/* nameserver status query */
+/* #define	xxx		0x3 */	/* 0x3 reserved */
+	/* non standard */
+#define	UPDATEA		0x9		/* add resource record */
+#define	UPDATED		0xa		/* delete a specific resource record */
+#define	UPDATEDA	0xb		/* delete all nemed 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 */
+
+/*
+ * 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 */
+	/* non standard */
+#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) */
+	/* Query type values which do not appear in resource records */
+#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 */
+
+/*
+ * Values for class field
+ */
+
+#define	C_IN		1		/* the arpa internet */
+#define	C_CHAOS		3		/* for chaos net at MIT */
+#define	C_HS		4		/* for Hesiod name server at MIT */
+	/* Query class values which do not appear in resource records */
+#define	C_ANY		255		/* wildcard match */
+
+/*
+ * 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, the order of the fields is machine and
+ * compiler dependent, in our case, the bits within a byte are assignd
+ * least significant first, while the order of transmition is most
+ * significant first.  This requires a somewhat confusing rearrangement.
+ */
+
+typedef struct {
+	u_short	id;		/* query identification number */
+#if defined(_BIT_FIELDS_HTOL) || defined(BIT_ZERO_ON_LEFT)
+	/* Bit zero on left:  SPARC and similar architectures */
+			/* fields in third byte */
+	u_char	qr:1;		/* response flag */
+	u_char	opcode:4;	/* purpose of message */
+	u_char	aa:1;		/* authoritive answer */
+	u_char	tc:1;		/* truncated message */
+	u_char	rd:1;		/* recursion desired */
+			/* fields in fourth byte */
+	u_char	ra:1;		/* recursion available */
+	u_char	pr:1;		/* primary server required (non standard) */
+	u_char	unused:2;	/* unused bits */
+	u_char	rcode:4;	/* response code */
+#else
+#if defined(_BIT_FIELDS_LTOH) || defined(BIT_ZERO_ON_RIGHT)
+	/* Bit zero on right:  Intel x86 and similar architectures */
+			/* fields in third byte */
+	u_char	rd:1;		/* recursion desired */
+	u_char	tc:1;		/* truncated message */
+	u_char	aa:1;		/* authoritive answer */
+	u_char	opcode:4;	/* purpose of message */
+	u_char	qr:1;		/* response flag */
+			/* fields in fourth byte */
+	u_char	rcode:4;	/* response code */
+	u_char	unused:2;	/* unused bits */
+	u_char	pr:1;		/* primary server required (non standard) */
+	u_char	ra:1;		/* recursion available */
+#else
+	/* you must determine what the correct bit order is for your compiler */
+	UNDEFINED_BIT_ORDER;
+#endif
+#endif
+			/* remaining bytes */
+	u_short	qdcount;	/* number of question entries */
+	u_short	ancount;	/* number of answer entries */
+	u_short	nscount;	/* number of authority entries */
+	u_short	arcount;	/* number of resource entries */
+} HEADER;
+
+/*
+ * Defines for handling compressed domain names
+ */
+#define	INDIR_MASK	0xc0
+
+/*
+ * Structure for passing resource records around.
+ */
+struct rrec {
+	short	r_zone;			/* zone number */
+	short	r_class;		/* class number */
+	short	r_type;			/* type number */
+	u_long	r_ttl;			/* time to live */
+	int	r_size;			/* size of data area */
+	char	*r_data;		/* pointer to data */
+};
+
+extern	u_short	_getshort();
+extern	u_long	_getlong();
+
+/*
+ * Inline versions of get/put short/long.
+ * Pointer is advanced; we assume that both arguments
+ * are lvalues and will already be in registers.
+ * cp MUST be u_char *.
+ */
+#define	GETSHORT(s, cp) { \
+	(s) = *(cp)++ << 8; \
+	(s) |= *(cp)++; \
+}
+
+#define	GETLONG(l, cp) { \
+	(l) = *(cp)++ << 8; \
+	(l) |= *(cp)++; (l) <<= 8; \
+	(l) |= *(cp)++; (l) <<= 8; \
+	(l) |= *(cp)++; \
+}
+
+
+#define	PUTSHORT(s, cp) { \
+	*(cp)++ = (s) >> 8; \
+	*(cp)++ = (s); \
+}
+
+/*
+ * Warning: PUTLONG destroys its first argument.
+ */
+#define	PUTLONG(l, cp) { \
+	(cp)[3] = l; \
+	(cp)[2] = (l >>= 8); \
+	(cp)[1] = (l >>= 8); \
+	(cp)[0] = l >> 8; \
+	(cp) += sizeof (u_long); \
+}
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif /* _ARPA_NAMESER_H */