Docs For Class rfc1155

Description

Asn1Objects

Base class for all Asn1Objects. This is only intended to support a specific subset of ASN1 stuff as defined by the RFCs to keep things as simple as possible.

Located in /rfc1155.php (line 131)

Direct descendents

Class	Description
rfc1155_Boolean	rfc1155 Boolean
rfc1155_Integer	rfc1155 Integer
rfc1155_OctetString	rfc1155 Octet String
rfc1155_ObjectID	rfc1155 Object Identifier (oid)
rfc1155_Null	rfc1155 Null
rfc1155_Sequence	rfc1155 Sequence

Variable Summary

mixed $asnTagClass

mixed $asnTagFormat

mixed $asnTagNumber

mixed $value

Method Summary

rfc1155_Asn1Object rfc1155_Asn1Object ()

array decode (string $stream)

array decodeLength (string $stream)

array decodeTag (string $stream)

string encode ()

string encodeContents ()

string encodeEndOfContents ()

string encodeIdentifier ()

string encodeLength (integer $length)

Variables

mixed $asnTagClass = ASN_TAG_CLASS_UNIVERSAL (line 133)

mixed $asnTagFormat = ASN_TAG_FORMAT_PRIMITIVE (line 134)

mixed $asnTagNumber = NULL (line 135)

mixed $value = NULL (line 137)

Methods

Constructor rfc1155_Asn1Object (line 142)

Constructor

rfc1155_Asn1Object rfc1155_Asn1Object ()

decode (line 215)

Decode Stream

decode() an octet stream into a sequence of Asn1Objects

return: of rfc1155_Asn1Object

array decode (string $stream)

string $stream

Redefined in descendants as:

rfc1157_Message::decode() : Decode Stream
rfc3412_Message::decode() : Decode Stream
rfc3412_Header::decode() : Decode Stream
rfc3412_ScopedPDU::decode() : Decode Stream
rfc3414_USM::decode() : Decode Stream

decodeLength (line 192)

Decode Length

Decode a BER length field, returing the length and the remainder of the stream

return: (length, remaining_stream)

array decodeLength (string $stream)

string $stream

decodeTag (line 165)

Decode Tag

Decode a BER tag field, returning the tag and the remainder of the stream

return: (tag, remaining_stream)

array decodeTag (string $stream)

string $stream

encode (line 151)

Encode Asn1Object

encode() this Asn1Object using BER

return: encoded object

string encode ()

encodeContents (line 255)

Encode Contents

encodeContents must be overridden by subclasses to encode the contents of a particular type

string encodeContents ()

Redefined in descendants as:

rfc1155_Boolean::encodeContents() : Encode Contents
rfc1155_Integer::encodeContents() : Encode Contents
rfc1155_OctetString::encodeContents() : Encode Contents
rfc1155_IPAddress::encodeContents() : Encode Contents
rfc1155_ObjectID::encodeContents() : Encode Contents
rfc1155_Null::encodeContents() : Encode Contents
rfc1155_Sequence::encodeContents() : Encode Contents
rfc3412_Message::encodeContents() : Encode Contents

encodeEndOfContents (line 339)

Encode End of Contents

string encodeEndOfContents ()

encodeIdentifier (line 267)

Encode Identifier

encodeIdentifier() returns encoded identifier octets for this object. Section 6.3 of ITU-T-X.209

string encodeIdentifier ()

encodeLength (line 304)

Encode Length

encodeLength() takes the length of the contents and produces the encoding for that length. Section 6.3 of ITU-T-X.209

define('SNMP_SHORT_INT_LENGTH', 1) to encode as short; needed by some Cisco software

string encodeLength (integer $length)

integer $length