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-/* -*-C++-*- */
-// $Id$
-#ifndef ASN1
-#define ASN1
-// ============================================================================
-//
-// = LIBRARY
-// asnmp
-//
-// = FILENAME
-// asn1.h
-//
-// = DESCRIPTION
-// Abstract Syntax Notation One, ASN.1
-// As defined in ISO/IS 8824 and ISO/IS 8825
-// This implements a subset of the above International Standards that
-// is sufficient to implement SNMP.
-//
-// = AUTHOR
-// Steve Waldbusser/CMU ?
-//
-// ============================================================================
-
-/**********************************************************************
- Copyright 1988, 1989, 1991, 1992 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.
-******************************************************************/
-
-#include "ace/OS.h"
-
-#if !defined (ACE_LACKS_PRAGMA_ONCE)
-# pragma once
-#endif /* ACE_LACKS_PRAGMA_ONCE */
-
-#include "asnmp/snmp.h"
-
-// CMU code to define "oid" typedef (old C style)
-#ifndef EIGHTBIT_SUBIDS
-typedef unsigned long oid;
-#define MAX_SUBID 0xFFFFFFFF
-#else
-typedef unsigned char oid;
-#define MAX_SUBID 0xFF
-#endif
-
-#define MAX_OID_LEN 64 /* max subid's in an oid */
-
-
-// asn.1 values
-#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)
-
-#define ASNERROR( string)
-#define MAX_NAME_LEN 64
-#define SNMP_VERSION_1 0
-#define SNMP_VERSION_2C 1
-
-
-// defined types (from the SMI, RFC 1065)
-#define SMI_IPADDRESS (ASN_APPLICATION | 0)
-#define SMI_COUNTER (ASN_APPLICATION | 1)
-#define SMI_GAUGE (ASN_APPLICATION | 2)
-#define SMI_TIMETICKS (ASN_APPLICATION | 3)
-#define SMI_OPAQUE (ASN_APPLICATION | 4)
-#define SMI_NSAP (ASN_APPLICATION | 5)
-#define SMI_COUNTER64 (ASN_APPLICATION | 6)
-#define SMI_UINTEGER (ASN_APPLICATION | 7)
-
-#define GET_REQ_MSG (ASN_CONTEXT | ASN_CONSTRUCTOR | 0x0)
-#define GETNEXT_REQ_MSG (ASN_CONTEXT | ASN_CONSTRUCTOR | 0x1)
-#define GET_RSP_MSG (ASN_CONTEXT | ASN_CONSTRUCTOR | 0x2)
-#define SET_REQ_MSG (ASN_CONTEXT | ASN_CONSTRUCTOR | 0x3)
-#define TRP_REQ_MSG (ASN_CONTEXT | ASN_CONSTRUCTOR | 0x4)
-
-#define GETBULK_REQ_MSG (ASN_CONTEXT | ASN_CONSTRUCTOR | 0x5)
-#define INFORM_REQ_MSG (ASN_CONTEXT | ASN_CONSTRUCTOR | 0x6)
-#define TRP2_REQ_MSG (ASN_CONTEXT | ASN_CONSTRUCTOR | 0x7)
-#define REPORT_MSG (ASN_CONTEXT | ASN_CONSTRUCTOR | 0x8)
-
-#define SNMP_NOSUCHOBJECT (ASN_CONTEXT | ASN_PRIMITIVE | 0x0)
-#define SNMP_NOSUCHINSTANCE (ASN_CONTEXT | ASN_PRIMITIVE | 0x1)
-#define SNMP_ENDOFMIBVIEW (ASN_CONTEXT | ASN_PRIMITIVE | 0x2)
-
-#define SNMP_MSG_LENGTH 1500
-
-typedef struct sockaddr_in ipaddr;
-
-// pdu
-struct snmp_pdu {
- int command; // pdu type
- unsigned long reqid; // Request id
- unsigned long errstat; // Error status
- unsigned long errindex; // Error index
-
- // Trap information
- oid *enterprise; // System OID
- int enterprise_length;
- ipaddr agent_addr; // address of object generating trap
- int trap_type; // trap type
- int specific_type; // specific type
- unsigned long time; // Uptime
-
- // vb list
- struct variable_list *variables;
-};
-
-// vb list
-struct variable_list {
- struct variable_list *next_variable; // 0 for last variable
- oid *name; // Object identifier of variable
- int name_length; // number of subid's in name
- unsigned char type; // ASN type of variable
- union { // value of variable
- long *integer;
- unsigned char *string;
- oid *objid;
- unsigned char *bitstring;
- struct counter64 *counter64;
- } val;
- int val_len;
-};
-
-struct counter64 {
- unsigned long high;
- unsigned long low;
-};
-
-// CMU Interface class for ASN.1 routines
-class ACE_Export asn1
- // = TITLE
- // Defines the member functions for the asn1 concrete interface class
- // CMU routines for performing ASN.1 data marshalling / representation
-
-{
-public:
-static unsigned char *parse_int( unsigned char *data,
- int *datalength,
- unsigned char *type,
- long int *intp,
- int intsize);
-static unsigned char *parse_unsigned_int( unsigned char *data,
- int *datalength,
- unsigned char *type,
- unsigned long *intp,
- int intsize);
-static unsigned char *build_int( unsigned char *data,
- int *datalength,
- unsigned char type,
- long *intp,
- int intsize);
-
-static unsigned char *build_unsigned_int( unsigned char *data,
- int *datalength,
- unsigned char type,
- unsigned long *intp,
- int intsize);
-
-static unsigned char *parse_string( unsigned char *data,
- int *datalength,
- unsigned char *type,
- unsigned char *string,
- int *strlength);
-
-static unsigned char *build_string( unsigned char *data,
- int *datalength,
- unsigned char type,
- unsigned char *string,
- int strlength);
-
-static unsigned char *parse_header( unsigned char *data,
- int *datalength,
- unsigned char *type);
-
-static unsigned char * build_header( unsigned char *data,
- int *datalength,
- unsigned char type,
- int length);
-
-static unsigned char * build_sequence( unsigned char *data,
- int *datalength,
- unsigned char type,
- int length);
-
-static unsigned char * parse_length( unsigned char *data,
- unsigned long *length);
-
-static unsigned char *build_length( unsigned char *data,
- int *datalength,
- int length);
-
-static unsigned char *build_objid( unsigned char *data,
- int *datalength,
- unsigned char type,
- oid *objid,
- int objidlength);
-
-static unsigned char *parse_objid( unsigned char *data,
- int *datalength,
- unsigned char *type,
- oid *objid,
- int *objidlength);
-
-static unsigned char *parse_null(unsigned char *data,
- int *datalength, unsigned
- char *type);
-
-static unsigned char *build_null( unsigned char *data,
- int *datalength,
- unsigned char type);
-
-static unsigned char *parse_bitstring( unsigned char *data,
- int *datalength,
- unsigned char *type,
- unsigned char *string,
- int *strlength);
-
-static unsigned char *build_bitstring( unsigned char *data,
- int *datalength,
- unsigned char type,
- unsigned char *string,
- int strlength);
-
-static unsigned char * parse_unsigned_int64(unsigned char *data,
- int *datalength,
- unsigned char *type,
- struct counter64 *cp,
- int countersize);
-
-static unsigned char * build_unsigned_int64( unsigned char *data,
- int *datalength,
- unsigned char type,
- struct counter64 *cp,
- int countersize);
-
-};
-
-
-// CMU Interface class for SNMPv1, SNMPv2c routines
-class ACE_Export cmu_snmp
- // = TITLE
- // Defines the static functions for the cmu_snmp concrete class.
- // These routine create cmu pdu's that can be sent/received on/from agents
-{
- public:
- static struct snmp_pdu *pdu_create( int command);
- static void free_pdu( struct snmp_pdu *pdu);
- static int build( struct snmp_pdu *pdu,
- unsigned char *packet,
- int *out_length,
- long version,
- unsigned char* community,
- int community_len);
-
- static void add_var(struct snmp_pdu *pdu,
- oid *name,
- int name_length,
- SmiVALUE *smival);
-
- static int parse( struct snmp_pdu *pdu,
- unsigned char *data,
- unsigned char *community_name,
- unsigned long &community_len,
- snmp_version &version,
- int length);
- static unsigned char *auth_build( unsigned char *data,
- int *length,
- long int version,
- unsigned char *community,
- int community_len,
- int messagelen);
-
- static unsigned char *build_var_op(unsigned char *data,
- oid * var_name,
- int *var_name_len,
- unsigned char var_val_type,
- int var_val_len,
- unsigned char *var_val,
- int *listlength);
-
-
-static unsigned char *auth_parse(unsigned char *data,
- int *length,
- unsigned char *sid,
- int *slen,
- long *version);
-
-/*
- @params data, IN - pointer to the start of object
- var_name OUT - object id of variable
- var_name_len IN/OUT - length of variable name
- var_val_type OUT - type of variable (int or octet string) (one byte)
- var_val_len OUT - length of variable
- var_val, OUT - pointer to ASN1 encoded value of variable
- listlength IN/OUT - number of valid bytes left in var_op_list
-*/
-static unsigned char *parse_var_op( unsigned char *data,
- oid *var_name,
- int *var_name_len,
- unsigned char *var_val_type,
- int *var_val_len,
- unsigned char **var_val,
- int *listlength);
-
-};
-
-#endif // ASN1
-