mongowire

package
v0.0.8 Latest Latest
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 Go to latest Published: Jun 5, 2023 License: MIT Imports: 11 Imported by: 0

Documentation

Overview

from https://raw.githubusercontent.com/ma6174/mgosniff/cf913f17c2f681392231629e4c29d90b990a6d2d/utils.go

https://github.com/ma6174/mgosniff/blob/master/parser.go

Index

Constants

View Source 
const (
	OpReply       = OpCode(1)
	OpMessage     = OpCode(1000)
	OpUpdate      = OpCode(2001)
	OpInsert      = OpCode(2002)
	Reserved      = OpCode(2003)
	OpQuery       = OpCode(2004)
	OpGetMore     = OpCode(2005)
	OpDelete      = OpCode(2006)
	OpKillCursors = OpCode(2007)
	OpCompressed  = OpCode(2012)
	OpMsg         = OpCode(2013)
)

The full set of known request op codes: http://docs.mongodb.org/meta-driver/latest/legacy/mongodb-wire-protocol/#request-opcodes

View Source 
const HeaderLen = 16

Variables

This section is empty.

Functions

func MustReadInt32 

func MustReadInt32(r io.Reader) (n int32)

func MustReadInt64 

func MustReadInt64(r io.Reader) (n int64)

func MustReadUInt32 

func MustReadUInt32(r io.Reader) (n uint32)

func MustReadUInt8 

func MustReadUInt8(r io.Reader) (n uint8)

func ReadBytes 

func ReadBytes(r io.Reader, n int) []byte

func ReadCString 

func ReadCString(r io.Reader) string

func ReadDocument 

func ReadDocument(r io.Reader) (m bson.D)

func ReadDocuments 

func ReadDocuments(r io.Reader) (ms []bson.D)

func ReadInt32 

func ReadInt32(r io.Reader) (n int32, err error)

func ReadInt64 

func ReadInt64(r io.Reader) *int64

func ReadOne 

func ReadOne(r io.Reader) []byte

func ToJson 

func ToJson(v interface{}, l int) string

Types

type CountingReader 

type CountingReader struct {
	BytesRead int
	// contains filtered or unexported fields
}

func (*CountingReader) Read 

func (r *CountingReader) Read(p []byte) (n int, err error)

type Crc32c 

type Crc32c struct {
	// contains filtered or unexported fields
}

func (*Crc32c) CheckCrc 

func (c *Crc32c) CheckCrc(crc uint32) bool

func (*Crc32c) GetCrc 

func (c *Crc32c) GetCrc() uint32

func (*Crc32c) Init 

func (c *Crc32c) Init()

func (*Crc32c) String 

func (c *Crc32c) String() string

func (*Crc32c) UpdateCrc 

func (c *Crc32c) UpdateCrc(msg []byte)

func (*Crc32c) Write 

func (c *Crc32c) Write(msg []byte) (int, error)

type MSGSection 

type MSGSection interface {
	MSGSection()
}

type MSGSection_Body 

type MSGSection_Body struct {
	Document bson.D
}

func (MSGSection_Body) MSGSection 

func (MSGSection_Body) MSGSection()

type MSGSection_DocumentSequence 

type MSGSection_DocumentSequence struct {
	Size               int32
	SequenceIdentifier string
	Documents          []bson.D
}

func (MSGSection_DocumentSequence) MSGSection 

func (MSGSection_DocumentSequence) MSGSection()

type MessageHeader 

type MessageHeader struct {
	// MessageLength is the total message size, including this header
	MessageLength int32
	// RequestID is the identifier for this miessage
	RequestID int32
	// ResponseTo is the RequestID of the message being responded to. used in DB responses
	ResponseTo int32
	// OpCode is the request type, see consts above.
	OpCode OpCode
}

MessageHeader is the mongo MessageHeader

func ReadHeader 

func ReadHeader(r io.Reader) (*MessageHeader, error)

func (*MessageHeader) FromWire 

func (m *MessageHeader) FromWire(b []byte)

FromWire reads the wirebytes into this object

func (*MessageHeader) String 

func (m *MessageHeader) String() string

String returns a string representation of the message header. Useful for debugging.

func (MessageHeader) ToWire 

func (m MessageHeader) ToWire() ([]byte, error)

ToWire converts the MessageHeader to the wire protocol

func (*MessageHeader) WriteTo 

func (m *MessageHeader) WriteTo(w io.Writer) error

type OP_COMPRESSED 

type OP_COMPRESSED struct {
	Header            MessageHeader
	OriginalOpcode    OpCode
	UncompressedSize  int32
	CompressorID      wiremessage.CompressorID
	CompressedMessage []byte
}

func (*OP_COMPRESSED) FromWire 

func (o *OP_COMPRESSED) FromWire(r io.Reader) error

func (*OP_COMPRESSED) GetHeader 

func (m *OP_COMPRESSED) GetHeader() MessageHeader

func (*OP_COMPRESSED) ToWire 

func (o *OP_COMPRESSED) ToWire() ([]byte, error)

func (*OP_COMPRESSED) WriteTo 

func (o *OP_COMPRESSED) WriteTo(w io.Writer) error

type OP_GETMORE 

type OP_GETMORE struct {
	Header             MessageHeader
	Flags              int32
	FullCollectionName string
	NumberToReturn     int32
	CursorID           int64
}

func (*OP_GETMORE) FromWire 

func (m *OP_GETMORE) FromWire(r io.Reader)

func (*OP_GETMORE) GetHeader 

func (m *OP_GETMORE) GetHeader() MessageHeader

type OP_KILL_CURSORS 

type OP_KILL_CURSORS struct {
	Header            MessageHeader
	ZERO              int32
	NumberOfCursorIDs int32
	CursorIDs         []int64
}

func (*OP_KILL_CURSORS) FromWire 

func (m *OP_KILL_CURSORS) FromWire(r io.Reader)

func (*OP_KILL_CURSORS) GetHeader 

func (m *OP_KILL_CURSORS) GetHeader() MessageHeader

type OP_MSG 

type OP_MSG struct {
	Header   MessageHeader
	Flags    OP_MSG_Flags
	Sections []MSGSection
	Checksum uint32
}

func (*OP_MSG) FromWire 

func (o *OP_MSG) FromWire(r io.Reader, crc *Crc32c, msgLen int) error

func (*OP_MSG) GetHeader 

func (m *OP_MSG) GetHeader() MessageHeader

func (*OP_MSG) ToWire 

func (o *OP_MSG) ToWire() ([]byte, error)

func (*OP_MSG) WriteTo 

func (o *OP_MSG) WriteTo(w io.Writer) error

type OP_MSG_Flags 

type OP_MSG_Flags int32

func (OP_MSG_Flags) ChecksumPresent 

func (f OP_MSG_Flags) ChecksumPresent() bool

func (OP_MSG_Flags) MoreToCome 

func (f OP_MSG_Flags) MoreToCome() bool

type OP_QUERY 

type OP_QUERY struct {
	Header             MessageHeader
	Flags              OP_QUERY_Flags
	FullCollectionName string
	NumberToSkip       int32
	NumberToReturn     int32

	Query                bson.D
	ReturnFieldsSelector bson.D
}

func (*OP_QUERY) FromWire 

func (m *OP_QUERY) FromWire(r io.Reader)

func (*OP_QUERY) GetHeader 

func (m *OP_QUERY) GetHeader() MessageHeader

type OP_QUERY_Flags 

type OP_QUERY_Flags int32

func (OP_QUERY_Flags) AwaitData 

func (f OP_QUERY_Flags) AwaitData() bool

func (OP_QUERY_Flags) Exhaust 

func (f OP_QUERY_Flags) Exhaust() bool

func (OP_QUERY_Flags) NoCursorTimeout 

func (f OP_QUERY_Flags) NoCursorTimeout() bool

func (OP_QUERY_Flags) OplogReplay 

func (f OP_QUERY_Flags) OplogReplay() bool

func (OP_QUERY_Flags) Partial 

func (f OP_QUERY_Flags) Partial() bool

func (OP_QUERY_Flags) SlaveOk 

func (f OP_QUERY_Flags) SlaveOk() bool

func (OP_QUERY_Flags) TailableCursor 

func (f OP_QUERY_Flags) TailableCursor() bool

type OP_REPLY 

type OP_REPLY struct {
	Header         MessageHeader
	Flags          int32
	CursorID       int64
	StartingFrom   int32
	NumberReturned int32
	Documents      []bson.D // interface?
}

func (*OP_REPLY) GetHeader 

func (m *OP_REPLY) GetHeader() MessageHeader

func (*OP_REPLY) ToWire 

func (o *OP_REPLY) ToWire() ([]byte, error)

func (*OP_REPLY) WriteTo 

func (o *OP_REPLY) WriteTo(w io.Writer) error

type OpCode 

type OpCode int32

OpCode allow identifying the type of operation:

http://docs.mongodb.org/meta-driver/latest/legacy/mongodb-wire-protocol/#request-opcodes

func (OpCode) HasResponse 

func (c OpCode) HasResponse() bool

HasResponse tells us if the operation will have a response from the server.

func (OpCode) IsMutation 

func (c OpCode) IsMutation() bool

IsMutation tells us if the operation will mutate data. These operations can be followed up by a getLastErr operation.

func (OpCode) String 

func (c OpCode) String() string

String returns a human readable representation of the OpCode.

type Request 

type Request struct {
	// contains filtered or unexported fields
}

func NewRequest 

func NewRequest(c io.Reader) (*Request, error)

func NewRequestWithHeader 

func NewRequestWithHeader(h MessageHeader, c io.Reader) *Request

func (*Request) GetHeader 

func (req *Request) GetHeader() *MessageHeader

func (*Request) GetOpCompressed 

func (req *Request) GetOpCompressed() *OP_COMPRESSED

func (*Request) GetOpKillCursors 

func (req *Request) GetOpKillCursors() *OP_KILL_CURSORS

func (*Request) GetOpMore 

func (req *Request) GetOpMore() *OP_GETMORE

func (*Request) GetOpMsg 

func (req *Request) GetOpMsg() *OP_MSG

func (*Request) GetOpQuery 

func (req *Request) GetOpQuery() *OP_QUERY

type WireSerializer 

type WireSerializer interface {
	GetHeader() MessageHeader
	//ToWire() []byte
	WriteTo(io.Writer) error
}

Source Files

View all Source files

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