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#ifndef SQUID_SNMP_ASN1_H
#define SQUID_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 1.12 2001/10/08 16:18:31 hno 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 /* SQUID_SNMP_ASN1_H */
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