105 lines
3.8 KiB
C
105 lines
3.8 KiB
C
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//==========================================================================================================================
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// MODULE: OID.h
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//
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// Description:
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//
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// Bloodhound Kernel, OID utilities (SNMP)
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//
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// Modification History
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//
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// Keith Lau 01/09/95 Created
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//==========================================================================================================================
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#ifndef OID_H
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#pragma option push -b -a8 -pc -A- /*P_O_Push*/
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#define OID_H
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#include <windows.h>
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#include <string.h>
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#include <bh.h>
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// class field of BER tag
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#define ASN_UNIVERSAL 0x00
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#define ASN_APPLICATION 0x40
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#define ASN_CONTEXTSPECIFIC 0x80
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#define ASN_PRIVATE 0xC0
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// primative/constructed field of BER tag
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#define ASN_PRIMATIVE 0x00
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#define ASN_CONSTRUCTOR 0x20
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// Priviliged message
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#define ASN_RFCxxxx_PRIVDATA (ASN_CONTEXTSPECIFIC | ASN_PRIMATIVE | 0x01)
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#define ASN_RFCxxxx_SNMPMGMTCOM (ASN_CONTEXTSPECIFIC | ASN_CONSTRUCTOR | 0x01)
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#define ASN_RFCxxxx_SNMPAUTHMSG (ASN_CONTEXTSPECIFIC | ASN_CONSTRUCTOR | 0x01)
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#define ASN_RFCxxxx_SNMPPRIVMSG (ASN_CONTEXTSPECIFIC | ASN_CONSTRUCTOR | 0x01)
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// ASN.1 simple types
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#define ASN_INTEGER (ASN_UNIVERSAL | ASN_PRIMATIVE | 0x02)
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#define ASN_OCTETSTRING (ASN_UNIVERSAL | ASN_PRIMATIVE | 0x04)
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#define ASN_NULL (ASN_UNIVERSAL | ASN_PRIMATIVE | 0x05)
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#define ASN_OBJECTIDENTIFIER (ASN_UNIVERSAL | ASN_PRIMATIVE | 0x06)
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// ASN.1 constructor types
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#define ASN_SEQUENCE (ASN_UNIVERSAL | ASN_CONSTRUCTOR | 0x10)
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#define ASN_SEQUENCEOF ASN_SEQUENCE
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// ASN.1 application specific primatives
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#define ASN_RFC1155_IPADDRESS (ASN_APPLICATION | ASN_PRIMATIVE | 0x00)
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#define ASN_RFC1155_COUNTER (ASN_APPLICATION | ASN_PRIMATIVE | 0x01)
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#define ASN_RFC1155_GAUGE (ASN_APPLICATION | ASN_PRIMATIVE | 0x02)
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#define ASN_RFC1155_TIMETICKS (ASN_APPLICATION | ASN_PRIMATIVE | 0x03)
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#define ASN_RFC1155_OPAQUE (ASN_APPLICATION | ASN_PRIMATIVE | 0x04)
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#define ASN_RFC1213_DISPSTRING ASN_OCTETSTRING
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// BER limits
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#define BER_OCTET_LEN 8 // 8 bits in an octet
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#define BER_OCTET_SIZE 256 // 8 bits make an octet
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#define BER_MAX_INT_OCTETS 4 // 4 octets - 32 bit integer
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#define BER_MAX_LEN_OCTETS 2 // 2 octets - 16 bit integer length
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#define BER_MAX_STREAM_LEN 0xffff // 16 bit unsigned integer
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#define BER_MIN_HEADER_LEN 2 // 2 octets
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#define BER_MAX_SIMPLE_LEN 127 // SNMP BER definition
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// Buffer offsets for info.
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#define BER_TAG_OFFSET 0
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#define BER_LENGTH_OFFSET 1
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// Meaningful bit definitions
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#define BER_EXTENDED_TAG 0x1f // 00011111
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#define BER_OCTET_CONT_BIT 0x80 // 10000000
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// BER OBJECTIDENTIFIER limits
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#define BER_MAX_FIRST_ELEM 2 // Obj Id's 1st element must be 0-2
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#define BER_MAX_SECOND_ELEM 39 // Obj Id's 2nd element must be 0-40
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// These are defined solely for Object Identifier (OID) filter contains actions
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#define OID_BEGINS_WITH 1
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#define OID_ENDS_WITH 2
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#define OID_CONTAINS (OID_BEGINS_WITH | OID_ENDS_WITH)
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// Function prototypes
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DWORD WINAPI DecodeSNMPObjectIdentifier( LPBYTE lpData,
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DWORD DataLen,
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LPOBJECT_IDENTIFIER lpOID);
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VOID WINAPI EncodeSNMPObjectIdentifier( LPBYTE lpData,
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LPDWORD lpDataLen,
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LPOBJECT_IDENTIFIER lpOID);
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BOOL WINAPI IsValidSNMPObjectIdentifier(LPOBJECT_IDENTIFIER lpOID);
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BOOL WINAPI ObjectIdentifierContains (LPBYTE SubOID,
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WORD SubOIDLen,
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LPBYTE OID,
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WORD OIDLen,
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DWORD ContainFlags);
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#pragma option pop /*P_O_Pop*/
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#endif
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