Module jcifs

Package org.codelibs.jcifs.smb.internal.smb2.nego

Class Smb2NegotiateRequest

java.lang.Object

org.codelibs.jcifs.smb.internal.smb2.ServerMessageBlock2

org.codelibs.jcifs.smb.internal.smb2.ServerMessageBlock2Request<Smb2NegotiateResponse>

org.codelibs.jcifs.smb.internal.smb2.nego.Smb2NegotiateRequest

All Implemented Interfaces:

CommonServerMessageBlock, CommonServerMessageBlockRequest, Request<Smb2NegotiateResponse>, SmbNegotiationRequest, Message, Request

public class Smb2NegotiateRequest
extends ServerMessageBlock2Request<Smb2NegotiateResponse>
implements SmbNegotiationRequest

SMB2 Negotiate Protocol request message. This command is used to negotiate the SMB protocol dialect and security parameters between client and server.

Author:

mbechler

Field Summary

Fields inherited from class org.codelibs.jcifs.smb.internal.smb2.ServerMessageBlock2

SMB2_CANCEL, SMB2_CHANGE_NOTIFY, SMB2_CLOSE, SMB2_CREATE, SMB2_ECHO, SMB2_FLAGS_ASYNC_COMMAND, SMB2_FLAGS_DFS_OPERATIONS, SMB2_FLAGS_PRIORITY_MASK, SMB2_FLAGS_RELATED_OPERATIONS, SMB2_FLAGS_REPLAY_OPERATION, SMB2_FLAGS_SERVER_TO_REDIR, SMB2_FLAGS_SIGNED, SMB2_FLUSH, SMB2_IOCTL, SMB2_LOCK, SMB2_LOGOFF, SMB2_NEGOTIATE, SMB2_OPLOCK_BREAK, SMB2_QUERY_DIRECTORY, SMB2_QUERY_INFO, SMB2_READ, SMB2_SESSION_SETUP, SMB2_SET_INFO, SMB2_TREE_CONNECT, SMB2_TREE_DISCONNECT, SMB2_WRITE

Constructor Summary

Constructors

Constructor	Description
Smb2NegotiateRequest(Configuration config, int securityMode)	Constructs an SMB2 negotiate request with the specified configuration and security mode.

Method Summary

Modifier and Type	Method	Description
protected Smb2NegotiateResponse	createResponse(CIFSContext tc, ServerMessageBlock2Request<Smb2NegotiateResponse> req)	Create the response object for this request
int	getCapabilities()	Gets the client capabilities flags.
byte[]	getClientGuid()	Gets the client GUID used for identification.
int[]	getDialects()	Gets the array of SMB dialect versions supported by the client.
NegotiateContextRequest[]	getNegotiateContexts()	Gets the negotiate contexts for SMB 3.1.1 negotiation.
byte[]	getPreauthSalt()	Gets the pre-authentication integrity salt for SMB 3.1.1.
int	getSecurityMode()	Gets the security mode flags for this negotiation request.
boolean	isSigningEnforced()	Checks whether SMB message signing is enforced by the client.
protected int	readBytesWireFormat(byte[] buffer, int bufferIndex)	Reads the message body from the wire format.
int	size()	Gets the size of this message.
protected int	writeBytesWireFormat(byte[] dst, int dstIndex)	Writes the message body to the wire format.

Methods inherited from class org.codelibs.jcifs.smb.internal.smb2.ServerMessageBlock2Request

allowChain, createCancel, encode, getCreditCost, getNext, getOverrideTimeout, getResponse, ignoreDisconnect, initResponse, isCancel, isResponseAsync, setNext, setOverrideTimeout, setRequestCredits, setResponse, setTid, split

Methods inherited from class org.codelibs.jcifs.smb.internal.smb2.ServerMessageBlock2

addFlags, chain, clearFlags, decode, decode, equals, getAsyncId, getCommand, getConfig, getCredit, getCreditCharge, getDigest, getErrorContextCount, getErrorData, getFlags, getHeaderStart, getLength, getMid, getNextCommandOffset, getRawPayload, getSessionId, getStatus, getTreeId, hashCode, haveResponse, isAsync, isErrorResponseStatus, isRetainPayload, pad8, readErrorResponse, readHeaderWireFormat, reset, retainPayload, setAsyncId, setCommand, setCredit, setDigest, setExtendedSecurity, setMid, setNext, setRawPayload, setReadSize, setSessionId, setTreeId, setUid, size8, size8, toString, writeHeaderWireFormat

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.codelibs.jcifs.smb.internal.CommonServerMessageBlock

decode, getCommand, getDigest, getMid, reset, setCommand, setDigest, setExtendedSecurity, setMid, setSessionId, setUid

Methods inherited from interface org.codelibs.jcifs.smb.util.transport.Message

getRawPayload, isRetainPayload, retainPayload, setRawPayload

Constructor Details

Smb2NegotiateRequest

public Smb2NegotiateRequest(Configuration config,
 int securityMode)

Constructs an SMB2 negotiate request with the specified configuration and security mode.

Parameters:

config - the configuration for this request

securityMode - the security mode flags for negotiation

Method Details

getSecurityMode

public int getSecurityMode()

Gets the security mode flags for this negotiation request.

Returns:

the securityMode

isSigningEnforced

public boolean isSigningEnforced()

Description copied from interface: SmbNegotiationRequest

Checks whether SMB message signing is enforced by the client.

Specified by:

isSigningEnforced in interface SmbNegotiationRequest

Returns:

whether SMB signing is enforced

getCapabilities

public int getCapabilities()

Gets the client capabilities flags.

Returns:

the capabilities

getDialects

public int[] getDialects()

Gets the array of SMB dialect versions supported by the client.

Returns:

the dialects

getClientGuid

public byte[] getClientGuid()

Gets the client GUID used for identification.

Returns:

the clientGuid

getNegotiateContexts

public NegotiateContextRequest[] getNegotiateContexts()

Gets the negotiate contexts for SMB 3.1.1 negotiation.

Returns:

the negotiateContexts

getPreauthSalt

public byte[] getPreauthSalt()

Gets the pre-authentication integrity salt for SMB 3.1.1.

Returns:

the preauthSalt

createResponse

protected Smb2NegotiateResponse createResponse(CIFSContext tc,
 ServerMessageBlock2Request<Smb2NegotiateResponse> req)

Create the response object for this request

Specified by:

createResponse in class ServerMessageBlock2Request<Smb2NegotiateResponse>

Parameters:

tc - the CIFS context

req - the request object

Returns:

the response object

See Also:

• ServerMessageBlock2Request.createResponse(org.codelibs.jcifs.smb.CIFSContext, org.codelibs.jcifs.smb.internal.smb2.ServerMessageBlock2Request)

size

public int size()

Gets the size of this message.

Specified by:

size in interface CommonServerMessageBlockRequest

Returns:

the size of this message

See Also:

• CommonServerMessageBlockRequest.size()

writeBytesWireFormat

protected int writeBytesWireFormat(byte[] dst,
 int dstIndex)

Writes the message body to the wire format.

Specified by:

writeBytesWireFormat in class ServerMessageBlock2

Parameters:

dst - the destination buffer

dstIndex - the starting position in the buffer

Returns:

number of bytes written

See Also:

• ServerMessageBlock2.writeBytesWireFormat(byte[], int)

readBytesWireFormat

protected int readBytesWireFormat(byte[] buffer,
 int bufferIndex)

Reads the message body from the wire format.

Specified by:

readBytesWireFormat in class ServerMessageBlock2

Parameters:

buffer - the buffer to read from

bufferIndex - the starting position in the buffer

Returns:

number of bytes read

See Also:

• ServerMessageBlock2.readBytesWireFormat(byte[], int)