asn1.h
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上传日期:2007-01-04
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- #ifndef _SNMP_ASN1_H_
- #define _SNMP_ASN1_H_
- /*
- * Definitions for Abstract Syntax Notation One, ASN.1
- * As defined in ISO/IS 8824 and ISO/IS 8825
- *
- */
- /**********************************************************************
- *
- * Copyright 1997 by Carnegie Mellon University
- *
- * All Rights Reserved
- *
- * Permission to use, copy, modify, and distribute this software and its
- * documentation for any purpose and without fee is hereby granted,
- * provided that the above copyright notice appear in all copies and that
- * both that copyright notice and this permission notice appear in
- * supporting documentation, and that the name of CMU not be
- * used in advertising or publicity pertaining to distribution of the
- * software without specific, written prior permission.
- *
- * CMU DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
- * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
- * CMU BE LIABLE FOR ANY SPECIAL, 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.
- *
- * $Id: asn1.h,v 1.10 1998/04/08 00:33:45 wessels Exp $
- *
- **********************************************************************/
- #ifndef EIGHTBIT_SUBIDS
- typedef u_int oid;
- #define MAX_SUBID 0xFFFFFFFF
- #else
- typedef u_char oid;
- #define MAX_SUBID 0xFF
- #endif
- #define MAX_OID_LEN 128 /* max subid's in an oid, per SNMP spec. */
- #define ASN_BOOLEAN (0x01)
- #define ASN_INTEGER (0x02)
- #define ASN_BIT_STR (0x03)
- #define ASN_OCTET_STR (0x04)
- #define ASN_NULL (0x05)
- #define ASN_OBJECT_ID (0x06)
- #define ASN_SEQUENCE (0x10)
- #define ASN_SET (0x11)
- #define ASN_UNIVERSAL (0x00)
- #define ASN_APPLICATION (0x40)
- #define ASN_CONTEXT (0x80)
- #define ASN_PRIVATE (0xC0)
- #define ASN_PRIMITIVE (0x00)
- #define ASN_CONSTRUCTOR (0x20)
- #define ASN_LONG_LEN (0x80)
- #define ASN_EXTENSION_ID (0x1F)
- #define ASN_BIT8 (0x80)
- #define IS_CONSTRUCTOR(byte) ((byte) & ASN_CONSTRUCTOR)
- #define IS_EXTENSION_ID(byte) (((byte) & ASN_EXTENSION_ID) == ASN_EXTENSION_ID)
- #ifdef __cplusplus
- extern "C" {
- #endif
- u_char *asn_build_header(u_char *, int *, u_char, int);
- u_char *asn_parse_int(u_char *, int *, u_char *, int *, int);
- u_char *asn_parse_unsigned_int(u_char *, int *, u_char *, u_int *, int);
- u_char *asn_build_int(u_char *, int *, u_char, int *, int);
- u_char *asn_build_unsigned_int(u_char *, int *, u_char, u_int *, int);
- u_char *asn_parse_string(u_char *, int *, u_char *, u_char *, int *);
- u_char *asn_build_string(u_char *, int *, u_char, u_char *, int);
- u_char *asn_parse_header(u_char *, int *, u_char *);
- u_char *asn_build_header_with_truth(u_char *, int *, u_char, int, int);
- u_char *asn_parse_length(u_char *, u_int *);
- u_char *asn_build_length(u_char *, int *, int, int);
- u_char *asn_parse_objid(u_char *, int *, u_char *, oid *, int *);
- u_char *asn_build_objid(u_char *, int *, u_char, oid *, int);
- u_char *asn_parse_null(u_char *, int *, u_char *);
- u_char *asn_build_null(u_char *, int *, u_char);
- #if 0
- u_char *asn_parse_bitstring(u_char *, int *, u_char *, u_char *, int *);
- u_char *asn_build_bitstring(u_char *, int *, u_char, u_char *, int);
- #endif
- u_char *asn_build_exception(u_char *, int *, u_char);
- #ifdef __cplusplus
- }
- #endif
- #endif /* _SNMP_ASN1_H_ */