/// <summary>
/// Deep copy constructor. if need to copy the connection instance, you must call the Clone method. its sub
/// class inherit from this, and need to provide more features.
/// </summary>
/// <param name="session">the session to get the opentable</param>
/// <param name="treeconnect">the treeconnect to copy from</param>
protected SmbClientTreeConnect(SmbClientSession session, SmbClientTreeConnect treeconnect)
: base(treeconnect)
{
this.session = session;
this.maximalShareAccessRights = treeconnect.maximalShareAccessRights;
this.guestMaximalShareAccessRights = treeconnect.guestMaximalShareAccessRights;
this.connection = treeconnect.connection;
}
private bool SmbUpdateContextWithResponsePacket(SmbClientConnection connection, SmbPacket response)
{
if (response == null)
{
return false;
}
int connectionId = connection.ConnectionId;
SmbHeader smbHeader = response.SmbHeader;
// only process the response packet.
if (response.PacketType != SmbPacketType.BatchedResponse
&& response.PacketType != SmbPacketType.SingleResponse)
{
return false;
}
// packet status
SmbStatus packetStatus = (SmbStatus)smbHeader.Status;
// filter error packet
if (packetStatus != SmbStatus.STATUS_SUCCESS &&
packetStatus != SmbStatus.STATUS_MORE_PROCESSING_REQUIRED &&
packetStatus != SmbStatus.STATUS_BUFFER_OVERFLOW)
{
return false;
}
// process each special command
switch (smbHeader.Command)
{
#region Negotiate Response
case SmbCommand.SMB_COM_NEGOTIATE:
// implicit ntlm, decode using cifs sdk.
if (!smbClient.Capability.IsSupportsExtendedSecurity)
{
return false;
}
// down cast to negotiate response packet.
SmbNegotiateResponsePacket negotiate = response as SmbNegotiateResponsePacket;
// set negotiate flag
connection.NegotiateSent = true;
#region update security mode
SecurityModes securityModes = negotiate.SmbParameters.SecurityMode;
if (SecurityModes.NEGOTIATE_SECURITY_SIGNATURES_ENABLED
== (securityModes & SecurityModes.NEGOTIATE_SECURITY_SIGNATURES_ENABLED))
{
connection.ServerSigningState = SignState.ENABLED;
}
else if (SecurityModes.NEGOTIATE_SECURITY_SIGNATURES_REQUIRED
== (securityModes & SecurityModes.NEGOTIATE_SECURITY_SIGNATURES_REQUIRED))
{
connection.ServerSigningState = SignState.REQUIRED;
}
else
{
connection.ServerSigningState = SignState.DISABLED;
}
if (SecurityModes.NEGOTIATE_USER_SECURITY
== (securityModes & SecurityModes.NEGOTIATE_USER_SECURITY))
{
connection.UsesSharePasswords = false;
}
else
{
connection.UsesSharePasswords = true;
}
if (SecurityModes.NEGOTIATE_ENCRYPT_PASSWORDS
== (securityModes & SecurityModes.NEGOTIATE_ENCRYPT_PASSWORDS))
{
connection.IsClientEncryptPasswords = true;
}
else
{
connection.IsClientEncryptPasswords = false;
}
// update IsSignActive using the combination of the client's
// MessageSigningPolicy and the connection's ServerSigningState
smbClient.Context.UpdateSigningActive(connection);
#endregion
#region update server capabilities
connection.ServerCapabilities = (Capabilities)negotiate.SmbParameters.Capabilities;
if (Capabilities.CAP_INFOLEVEL_PASSTHRU
== (connection.ServerCapabilities & Capabilities.CAP_INFOLEVEL_PASSTHRU))
{
smbClient.Capability.IsUsePassThrough = true;
}
#endregion
#region update maxbuffersize
connection.MaxBufferSize = negotiate.SmbParameters.MaxBufferSize;
#endregion
this.AddOrUpdateConnection(connection);
break;
#endregion
#region Session Setup Response
case SmbCommand.SMB_COM_SESSION_SETUP_ANDX:
// implicit ntlm, decode using cifs sdk.
if (!smbClient.Capability.IsSupportsExtendedSecurity)
{
return false;
}
// the session to operation on.
SmbClientSession session = null;
// down-case the packet
SmbSessionSetupAndxResponsePacket packet = response as SmbSessionSetupAndxResponsePacket;
// if session exists, use it.
if (this.GetSession(connectionId, smbHeader.Uid) != null)
{
session = new SmbClientSession(this.GetSession(connectionId, smbHeader.Uid));
}
else
{
session = new SmbClientSession();
}
// if success, update context and session key.
if (packetStatus == SmbStatus.STATUS_SUCCESS)
{
// if spng, the SessionKey is null and the SecurityBlob from server contains data
// in this situation, need to initialize the SecurityBlob of server to generate the SessionKey
if (connection.GssApi.SessionKey == null
&& packet.SecurityBlob != null && packet.SecurityBlob.Length > 0)
{
connection.GssApi.Initialize(packet.SecurityBlob);
}
// get session key and store in the context
session.SessionKey = connection.GssApi.SessionKey;
// reset the gss api of connection
connection.GssApi = null;
// reset the securityblob when success
packet.SecurityBlob = null;
}
// update the security blob from server
connection.SecurityBlob = packet.SecurityBlob;
this.AddOrUpdateConnection(connection);
// update session
session.SessionUid = smbHeader.Uid;
session.ConnectionId = connectionId;
this.AddOrUpdateSession(session);
break;
#endregion
default:
return false;
}
return true;
}
private bool SmbUpdateContextWithResponsePacket(SmbClientConnection connection, SmbPacket response)
{
if (response == null)
{
return false;
}
int connectionId = connection.ConnectionId;
SmbHeader smbHeader = response.SmbHeader;
// only process the response packet.
if (response.PacketType != SmbPacketType.BatchedResponse
&& response.PacketType != SmbPacketType.SingleResponse)
{
return false;
}
// packet status
SmbStatus packetStatus = (SmbStatus)smbHeader.Status;
// filter error packet
if (packetStatus != SmbStatus.STATUS_SUCCESS &&
packetStatus != SmbStatus.STATUS_MORE_PROCESSING_REQUIRED &&
packetStatus != SmbStatus.STATUS_BUFFER_OVERFLOW)
{
return false;
}
// process each special command
switch (smbHeader.Command)
{
#region Negotiate Response
case SmbCommand.SMB_COM_NEGOTIATE:
// implicit ntlm, decode using cifs sdk.
if (!smbClient.Capability.IsSupportsExtendedSecurity)
{
return false;
}
// down cast to negotiate response packet.
SmbNegotiateResponsePacket negotiate = response as SmbNegotiateResponsePacket;
// set negotiate flag
connection.NegotiateSent = true;
#region update security mode
SecurityModes securityModes = negotiate.SmbParameters.SecurityMode;
if (SecurityModes.NEGOTIATE_SECURITY_SIGNATURES_ENABLED
== (securityModes & SecurityModes.NEGOTIATE_SECURITY_SIGNATURES_ENABLED))
{
connection.ServerSigningState = SignState.ENABLED;
}
else if (SecurityModes.NEGOTIATE_SECURITY_SIGNATURES_REQUIRED
== (securityModes & SecurityModes.NEGOTIATE_SECURITY_SIGNATURES_REQUIRED))
{
connection.ServerSigningState = SignState.REQUIRED;
}
else
{
connection.ServerSigningState = SignState.DISABLED;
}
if (SecurityModes.NEGOTIATE_USER_SECURITY
== (securityModes & SecurityModes.NEGOTIATE_USER_SECURITY))
{
connection.UsesSharePasswords = false;
}
else
{
connection.UsesSharePasswords = true;
}
if (SecurityModes.NEGOTIATE_ENCRYPT_PASSWORDS
== (securityModes & SecurityModes.NEGOTIATE_ENCRYPT_PASSWORDS))
{
connection.IsClientEncryptPasswords = true;
}
else
{
connection.IsClientEncryptPasswords = false;
}
// update IsSignActive using the combination of the client's
// MessageSigningPolicy and the connection's ServerSigningState
smbClient.Context.UpdateSigningActive(connection);
#endregion
#region update server capabilities
connection.ServerCapabilities = (Capabilities)negotiate.SmbParameters.Capabilities;
if (Capabilities.CAP_INFOLEVEL_PASSTHRU
== (connection.ServerCapabilities & Capabilities.CAP_INFOLEVEL_PASSTHRU))
{
smbClient.Capability.IsUsePathThrough = true;
}
#endregion
#region update maxbuffersize
connection.MaxBufferSize = negotiate.SmbParameters.MaxBufferSize;
#endregion
this.AddOrUpdateConnection(connection);
break;
#endregion
#region Session Setup Response
case SmbCommand.SMB_COM_SESSION_SETUP_ANDX:
// implicit ntlm, decode using cifs sdk.
if (!smbClient.Capability.IsSupportsExtendedSecurity)
{
return false;
}
// the session to operation on.
SmbClientSession session = null;
// down-case the packet
SmbSessionSetupAndxResponsePacket packet = response as SmbSessionSetupAndxResponsePacket;
// if session exists, use it.
if (this.GetSession(connectionId, smbHeader.Uid) != null)
{
session = new SmbClientSession(this.GetSession(connectionId, smbHeader.Uid));
}
else
{
session = new SmbClientSession();
}
// if success, update context and session key.
if (packetStatus == SmbStatus.STATUS_SUCCESS)
{
// if spng, the SessionKey is null and the SecurityBlob from server contains data
// in this situation, need to initialize the SecurityBlob of server to generate the SessionKey
if (connection.GssApi.SessionKey == null
&& packet.SecurityBlob != null && packet.SecurityBlob.Length > 0)
{
connection.GssApi.Initialize(packet.SecurityBlob);
}
// get session key and store in the context
session.SessionKey = connection.GssApi.SessionKey;
// reset the gss api of connection
connection.GssApi = null;
// reset the securityblob when success
packet.SecurityBlob = null;
}
// update the security blob from server
connection.SecurityBlob = packet.SecurityBlob;
this.AddOrUpdateConnection(connection);
// update session
session.SessionUid = smbHeader.Uid;
session.ConnectionId = connectionId;
this.AddOrUpdateSession(session);
break;
#endregion
default:
return false;
}
return true;
}
/// <summary>
/// Deep copy constructor. if need to copy the connection instance, you must call the Clone method. its sub
/// class inherit from this, and need to provide more features.
/// </summary>
protected SmbClientSession(SmbClientSession session)
: base(session)
{
this.connection = session.connection;
this.sessionKeyState = session.sessionKeyState;
}
/// <summary>
/// Deep copy constructor. if need to copy the connection instance, you must call the Clone method. its sub
/// class inherit from this, and need to provide more features.
/// </summary>
/// <param name="session">the session to get the opentable</param>
/// <param name="treeconnect">the treeconnect to copy from</param>
protected SmbClientTreeConnect(SmbClientSession session, SmbClientTreeConnect treeconnect)
: base(treeconnect)
{
this.session = session;
this.maximalShareAccessRights = treeconnect.maximalShareAccessRights;
this.guestMaximalShareAccessRights = treeconnect.guestMaximalShareAccessRights;
this.connection = treeconnect.connection;
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="session">the session to get the opentable</param>
protected SmbClientTreeConnect(SmbClientSession session)
: base()
{
this.session = session;
}
/// <summary>
/// Constructor with base class.
/// </summary>
/// <param name="session">the session to get the opentable</param>
/// <param name="treeconnect">the treeconnect to copy from</param>
internal SmbClientTreeConnect(SmbClientSession session, CifsClientPerTreeConnect treeconnect)
: base(treeconnect)
{
this.session = session;
}
/// <summary>
/// Deep copy constructor. if need to copy the connection instance, you must call the Clone method. its sub
/// class inherit from this, and need to provide more features.
/// </summary>
protected SmbClientOpen(SmbClientOpen open)
: base(open)
{
this.treeconnect = open.treeconnect;
this.session = open.session;
}
/// <summary>
/// Constructor with base class.
/// </summary>
/// <param name="session">the session to get the opentable</param>
/// <param name="treeconnect">the treeconnect to copy from</param>
internal SmbClientTreeConnect(SmbClientSession session, CifsClientPerTreeConnect treeconnect)
: base(treeconnect)
{
this.session = session;
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="session">the session to get the opentable</param>
protected SmbClientTreeConnect(SmbClientSession session)
: base()
{
this.session = session;
}
/// <summary>
/// Deep copy constructor. if need to copy the connection instance, you must call the Clone method. its sub
/// class inherit from this, and need to provide more features.
/// </summary>
protected SmbClientOpen(SmbClientOpen open)
: base(open)
{
this.treeconnect = open.treeconnect;
this.session = open.session;
}
/// <summary>
/// Deep copy constructor. if need to copy the connection instance, you must call the Clone method. its sub
/// class inherit from this, and need to provide more features.
/// </summary>
protected SmbClientSession(SmbClientSession session)
: base(session)
{
this.connection = session.connection;
this.sessionKeyState = session.sessionKeyState;
}