/// <summary>
/// Expect a request. If user is not interested in the packet, please call DefaultSendResponse().
/// </summary>
/// <param name="timeout">timeout</param>
/// <param name="connection">the connection between server and client</param>
/// <param name="session">the session between server and client</param>
/// <param name="treeConnect">the tree connect between server and client</param>
/// <param name="open">the file open between server and client</param>
/// <param name="requestPacket">the request</param>
public abstract void ExpectRequest(
TimeSpan timeout,
out IFileServiceServerConnection connection,
out IFileServiceServerSession session,
out IFileServiceServerTreeConnect treeConnect,
out IFileServiceServerOpen open,
out SmbFamilyPacket requestPacket);
/// <summary>
/// server actively close the connection.
/// </summary>
/// <param name="connection">the connection between server and client</param>
/// <exception cref="ArgumentNullException">connection is null</exception>
public override void Disconnect(IFileServiceServerConnection connection)
{
if (connection == null)
{
throw new ArgumentNullException("connection");
}
this.cifsServer.Disconnect(connection as CifsServerPerConnection);
this.fsEndpoints.Remove(connection.Identity);
}
/// <summary>
/// server response the negotiate request from client.
/// </summary>
/// <param name="connection">the connection between server and client</param>
/// <param name="requestPacket">the request</param>
public override void SendNegotiateResponse(
IFileServiceServerConnection connection,
SmbFamilyPacket requestPacket)
{
CifsServerPerConnection cifsConnection = connection as CifsServerPerConnection;
SmbPacket response = this.cifsServer.CreateDefaultResponse(cifsConnection,
requestPacket as SmbNegotiateRequestPacket);
this.cifsServer.SendPacket(response, cifsConnection);
}
/// <summary>
/// server response the session request from client.
/// </summary>
/// <param name="connection">the connection between server and client</param>
/// <param name="requestPacket">the request</param>
/// <returns>The session object.</returns>
public override IFileServiceServerSession SendSessionSetupResponse(
IFileServiceServerConnection connection,
SmbFamilyPacket requestPacket)
{
CifsServerPerConnection cifsConnection = connection as CifsServerPerConnection;
SmbPacket response = this.cifsServer.CreateDefaultResponse(cifsConnection,
requestPacket as SmbPacket);
this.cifsServer.SendPacket(response, cifsConnection);
return(cifsConnection.GetSession(response.SmbHeader.Uid));
}
/// <summary>
/// Automatically response latest request.
/// </summary>
/// <param name="connection">the connection between server and client</param>
/// <param name="session">the session between server and client</param>
/// <param name="treeConnect">the tree connect between server and client</param>
/// <param name="open">the file open between server and client</param>
/// <param name="requestPacket">the request</param>
public override void DefaultSendResponse(
IFileServiceServerConnection connection,
IFileServiceServerSession session,
IFileServiceServerTreeConnect treeConnect,
IFileServiceServerOpen open,
SmbFamilyPacket requestPacket)
{
CifsServerPerConnection cifsConnection = connection as CifsServerPerConnection;
SmbPacket response = this.cifsServer.CreateDefaultResponse(cifsConnection,
requestPacket as SmbPacket);
this.cifsServer.SendPacket(response, cifsConnection);
}
/// <summary>
/// server response an error packet
/// </summary>
/// <param name="connection">the connection between server and client</param>
/// <param name="status">error code</param>
/// <param name="requestPacket">the request packet to send the error response</param>
public override void SendErrorResponse(
IFileServiceServerConnection connection,
uint status,
SmbFamilyPacket requestPacket)
{
CifsServerPerConnection cifsConnection = connection as CifsServerPerConnection;
SmbPacket response = this.cifsServer.CreateDefaultResponse(cifsConnection,
requestPacket as SmbPacket);
SmbHeader smbHeader = response.SmbHeader;
smbHeader.Status = status;
response.SmbHeader = smbHeader;
this.cifsServer.SendPacket(response, cifsConnection);
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="connection">The SMB connection associated with this session.</param>
/// <param name="sessionId">Session Id of the Session</param>
/// <param name="securityContext">The security context of the user that established the session, as obtained
/// from the authentication subsystem after successful authentication.</param>
/// <param name="creationTime">The time that the session was established.</param>
/// <param name="idleTime">The time that the session processed its most recent request.</param>
/// <param name="userName">The name of the user who established the session.</param>
/// <param name="sessionGlobalId">A numeric 32-bit value obtained by registration with the Server Service Remote
/// Protocol.</param>
public CifsServerPerSession(
IFileServiceServerConnection connection,
long sessionId,
ServerSecurityContext securityContext,
DateTime creationTime,
DateTime idleTime,
string userName,
int sessionGlobalId)
{
this.connection = connection;
this.sessionId = sessionId;
this.securityContext = securityContext;
this.creationTime = creationTime;
this.idleTime = idleTime;
this.userName = userName;
this.sessionGlobalId = sessionGlobalId;
this.treeConnectTable = new Dictionary<ushort, IFileServiceServerTreeConnect>();
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="connection">The SMB connection associated with this session.</param>
/// <param name="sessionId">Session Id of the Session</param>
/// <param name="securityContext">The security context of the user that established the session, as obtained
/// from the authentication subsystem after successful authentication.</param>
/// <param name="creationTime">The time that the session was established.</param>
/// <param name="idleTime">The time that the session processed its most recent request.</param>
/// <param name="userName">The name of the user who established the session.</param>
/// <param name="sessionGlobalId">A numeric 32-bit value obtained by registration with the Server Service Remote
/// Protocol.</param>
public CifsServerPerSession(
IFileServiceServerConnection connection,
long sessionId,
ServerSecurityContext securityContext,
DateTime creationTime,
DateTime idleTime,
string userName,
int sessionGlobalId)
{
this.connection = connection;
this.sessionId = sessionId;
this.securityContext = securityContext;
this.creationTime = creationTime;
this.idleTime = idleTime;
this.userName = userName;
this.sessionGlobalId = sessionGlobalId;
this.treeConnectTable = new Dictionary <ushort, IFileServiceServerTreeConnect>();
}
/// <summary>
/// Expect a request. If user is not interested in the packet, please call DefaultSendResponse().
/// </summary>
/// <param name="timeout">timeout</param>
/// <param name="connection">the connection between server and client</param>
/// <param name="session">the session between server and client</param>
/// <param name="treeConnect">the tree connect between server and client</param>
/// <param name="open">the file open between server and client</param>
/// <param name="requestPacket">the request</param>
public override void ExpectRequest(
TimeSpan timeout,
out IFileServiceServerConnection connection,
out IFileServiceServerSession session,
out IFileServiceServerTreeConnect treeConnect,
out IFileServiceServerOpen open,
out SmbFamilyPacket requestPacket)
{
CifsServerPerConnection cifsConnection;
SmbPacket request = this.cifsServer.ExpectPacket(timeout, out cifsConnection);
connection = cifsConnection;
requestPacket = request;
session = null;
treeConnect = null;
open = null;
if (request != null)
{
session = cifsConnection.GetSession(request.SmbHeader.Uid);
if (session != null)
{
treeConnect = (session as CifsServerPerSession).GetTreeConnect(request.SmbHeader.Tid);
if (treeConnect != null)
{
ushort fid = 0;
SmbTransactionRequestPacket transactionRequest = request as SmbTransactionRequestPacket;
SmbNtTransactIoctlRequestPacket ioctlRequest = request as SmbNtTransactIoctlRequestPacket;
SmbNtTransactNotifyChangeRequestPacket notifyChange = request as SmbNtTransactNotifyChangeRequestPacket;
if (transactionRequest != null)
{
//SubCommand(2bytes), FID(2bytes)
fid = transactionRequest.SmbParameters.Setup[1];
}
else if (ioctlRequest != null)
{
//FunctionCode(4bytes), FID(2bytes), IsFctl(1bytes), IsFlags(1bytes)
fid = ioctlRequest.SmbParameters.Setup[2];
}
else if (notifyChange != null)
{
//CompletionFilter(4bytes), FID(2bytes), WatchTree(1bytes), Reserved(1bytes)
fid = notifyChange.SmbParameters.Setup[2];
}
else
{
Type packetType = request.GetType();
PropertyInfo pi = packetType.GetProperty(
"Trans2Parameters", BindingFlags.Instance | BindingFlags.Public);
if (pi == null)
{
pi = packetType.GetProperty(
"NtTransParameters", BindingFlags.Instance | BindingFlags.Public);
}
if (pi == null)
{
pi = packetType.GetProperty(
"SmbParameters", BindingFlags.Instance | BindingFlags.Public);
}
if (pi != null)
{
object smbParameters = pi.GetValue(request, null);
FieldInfo fi = smbParameters.GetType().GetField(
"FID",
BindingFlags.Instance | BindingFlags.Public | BindingFlags.IgnoreCase);
if (fi != null)
{
fid = (ushort)fi.GetValue(smbParameters);
}
}
}
if (fid > 0)
{
open = (treeConnect as CifsServerPerTreeConnect).GetOpen(fid);
}
}
}
}
}
/// <summary>
/// server actively close the connection.
/// </summary>
/// <param name="connection">the connection between server and client</param>
/// <exception cref="ArgumentNullException">connection is null</exception>
public override void Disconnect(IFileServiceServerConnection connection)
{
if (connection == null)
{
throw new ArgumentNullException("connection");
}
this.cifsServer.Disconnect(connection as CifsServerPerConnection);
this.fsEndpoints.Remove(connection.Identity);
}
/// <summary> /// server actively close the connection. /// </summary> /// <param name="connection">the connection between server and client</param> public abstract void Disconnect(IFileServiceServerConnection connection);
/// <summary>
/// server response an error packet
/// </summary>
/// <param name="connection">the connection between server and client</param>
/// <param name="status">error code</param>
/// <param name="requestPacket">the request packet to send the error response</param>
public abstract void SendErrorResponse(
IFileServiceServerConnection connection,
uint status,
SmbFamilyPacket requestPacket);
/// <summary>
/// server response the session request from client.
/// The method will complete 2nd session setup request automatically.
/// </summary>
/// <param name="connection">the connection between server and client</param>
/// <param name="requestPacket">the request</param>
/// <returns>The session object.</returns>
public abstract IFileServiceServerSession SendSessionSetupResponse(
IFileServiceServerConnection connection,
SmbFamilyPacket requestPacket);
/// <summary>
/// server response the negotiate request from client.
/// </summary>
/// <param name="connection">the connection between server and client</param>
/// <param name="requestPacket">the request</param>
public abstract void SendNegotiateResponse(
IFileServiceServerConnection connection,
SmbFamilyPacket requestPacket);
/// <summary>
/// server response the session request from client.
/// The method will complete 2nd session setup request automatically.
/// </summary>
/// <param name="connection">the connection between server and client</param>
/// <param name="requestPacket">the request</param>
/// <returns>The session object.</returns>
public abstract IFileServiceServerSession SendSessionSetupResponse(
IFileServiceServerConnection connection,
SmbFamilyPacket requestPacket);
/// <summary>
/// server response the negotiate request from client.
/// </summary>
/// <param name="connection">the connection between server and client</param>
/// <param name="requestPacket">the request</param>
public abstract void SendNegotiateResponse(
IFileServiceServerConnection connection,
SmbFamilyPacket requestPacket);
/// <summary>
/// server response the session request from client.
/// </summary>
/// <param name="connection">the connection between server and client</param>
/// <param name="requestPacket">the request</param>
/// <returns>The session object.</returns>
public override IFileServiceServerSession SendSessionSetupResponse(
IFileServiceServerConnection connection,
SmbFamilyPacket requestPacket)
{
CifsServerPerConnection cifsConnection = connection as CifsServerPerConnection;
SmbPacket response = this.cifsServer.CreateDefaultResponse(cifsConnection,
requestPacket as SmbPacket);
this.cifsServer.SendPacket(response, cifsConnection);
return cifsConnection.GetSession(response.SmbHeader.Uid);
}
/// <summary>
/// Automatically response latest request.
/// </summary>
/// <param name="connection">the connection between server and client</param>
/// <param name="session">the session between server and client</param>
/// <param name="treeConnect">the tree connect between server and client</param>
/// <param name="open">the file open between server and client</param>
/// <param name="requestPacket">the request</param>
public abstract void DefaultSendResponse(
IFileServiceServerConnection connection,
IFileServiceServerSession session,
IFileServiceServerTreeConnect treeConnect,
IFileServiceServerOpen open,
SmbFamilyPacket requestPacket);
/// <summary> /// server actively close the connection. /// </summary> /// <param name="connection">the connection between server and client</param> public abstract void Disconnect(IFileServiceServerConnection connection);
/// <summary>
/// Expect a request. If user is not interested in the packet, please call DefaultSendResponse().
/// </summary>
/// <param name="timeout">timeout</param>
/// <param name="connection">the connection between server and client</param>
/// <param name="session">the session between server and client</param>
/// <param name="treeConnect">the tree connect between server and client</param>
/// <param name="open">the file open between server and client</param>
/// <param name="requestPacket">the request</param>
public override void ExpectRequest(
TimeSpan timeout,
out IFileServiceServerConnection connection,
out IFileServiceServerSession session,
out IFileServiceServerTreeConnect treeConnect,
out IFileServiceServerOpen open,
out SmbFamilyPacket requestPacket)
{
CifsServerPerConnection cifsConnection;
SmbPacket request = this.cifsServer.ExpectPacket(timeout, out cifsConnection);
connection = cifsConnection;
requestPacket = request;
session = null;
treeConnect = null;
open = null;
if (request != null)
{
session = cifsConnection.GetSession(request.SmbHeader.Uid);
if (session != null)
{
treeConnect = (session as CifsServerPerSession).GetTreeConnect(request.SmbHeader.Tid);
if (treeConnect != null)
{
ushort fid = 0;
SmbTransactionRequestPacket transactionRequest = request as SmbTransactionRequestPacket;
SmbNtTransactIoctlRequestPacket ioctlRequest = request as SmbNtTransactIoctlRequestPacket;
SmbNtTransactNotifyChangeRequestPacket notifyChange = request as SmbNtTransactNotifyChangeRequestPacket;
if (transactionRequest != null)
{
//SubCommand(2bytes), FID(2bytes)
fid = transactionRequest.SmbParameters.Setup[1];
}
else if (ioctlRequest != null)
{
//FunctionCode(4bytes), FID(2bytes), IsFctl(1bytes), IsFlags(1bytes)
fid = ioctlRequest.SmbParameters.Setup[2];
}
else if (notifyChange != null)
{
//CompletionFilter(4bytes), FID(2bytes), WatchTree(1bytes), Reserved(1bytes)
fid = notifyChange.SmbParameters.Setup[2];
}
else
{
Type packetType = request.GetType();
PropertyInfo pi = packetType.GetProperty(
"Trans2Parameters", BindingFlags.Instance | BindingFlags.Public);
if (pi == null)
{
pi = packetType.GetProperty(
"NtTransParameters", BindingFlags.Instance | BindingFlags.Public);
}
if (pi == null)
{
pi = packetType.GetProperty(
"SmbParameters", BindingFlags.Instance | BindingFlags.Public);
}
if (pi != null)
{
object smbParameters = pi.GetValue(request, null);
FieldInfo fi = smbParameters.GetType().GetField(
"FID",
BindingFlags.Instance | BindingFlags.Public | BindingFlags.IgnoreCase);
if (fi != null)
{
fid = (ushort)fi.GetValue(smbParameters);
}
}
}
if (fid > 0)
{
open = (treeConnect as CifsServerPerTreeConnect).GetOpen(fid);
}
}
}
}
}
/// <summary>
/// Expect a request. If user is not interested in the packet, please call DefaultSendResponse().
/// </summary>
/// <param name="timeout">timeout</param>
/// <param name="connection">the connection between server and client</param>
/// <param name="session">the session between server and client</param>
/// <param name="treeConnect">the tree connect between server and client</param>
/// <param name="open">the file open between server and client</param>
/// <param name="requestPacket">the request</param>
public abstract void ExpectRequest(
TimeSpan timeout,
out IFileServiceServerConnection connection,
out IFileServiceServerSession session,
out IFileServiceServerTreeConnect treeConnect,
out IFileServiceServerOpen open,
out SmbFamilyPacket requestPacket);
/// <summary>
/// server response an error packet
/// </summary>
/// <param name="connection">the connection between server and client</param>
/// <param name="status">error code</param>
/// <param name="requestPacket">the request packet to send the error response</param>
public override void SendErrorResponse(
IFileServiceServerConnection connection,
uint status,
SmbFamilyPacket requestPacket)
{
CifsServerPerConnection cifsConnection = connection as CifsServerPerConnection;
SmbPacket response = this.cifsServer.CreateDefaultResponse(cifsConnection,
requestPacket as SmbPacket);
SmbHeader smbHeader = response.SmbHeader;
smbHeader.Status = status;
response.SmbHeader = smbHeader;
this.cifsServer.SendPacket(response, cifsConnection);
}
/// <summary>
/// server response the negotiate request from client.
/// </summary>
/// <param name="connection">the connection between server and client</param>
/// <param name="requestPacket">the request</param>
public override void SendNegotiateResponse(
IFileServiceServerConnection connection,
SmbFamilyPacket requestPacket)
{
CifsServerPerConnection cifsConnection = connection as CifsServerPerConnection;
SmbPacket response = this.cifsServer.CreateDefaultResponse(cifsConnection,
requestPacket as SmbNegotiateRequestPacket);
this.cifsServer.SendPacket(response, cifsConnection);
}
/// <summary>
/// Automatically response latest request.
/// </summary>
/// <param name="connection">the connection between server and client</param>
/// <param name="session">the session between server and client</param>
/// <param name="treeConnect">the tree connect between server and client</param>
/// <param name="open">the file open between server and client</param>
/// <param name="requestPacket">the request</param>
public abstract void DefaultSendResponse(
IFileServiceServerConnection connection,
IFileServiceServerSession session,
IFileServiceServerTreeConnect treeConnect,
IFileServiceServerOpen open,
SmbFamilyPacket requestPacket);
/// <summary>
/// Automatically response latest request.
/// </summary>
/// <param name="connection">the connection between server and client</param>
/// <param name="session">the session between server and client</param>
/// <param name="treeConnect">the tree connect between server and client</param>
/// <param name="open">the file open between server and client</param>
/// <param name="requestPacket">the request</param>
public override void DefaultSendResponse(
IFileServiceServerConnection connection,
IFileServiceServerSession session,
IFileServiceServerTreeConnect treeConnect,
IFileServiceServerOpen open,
SmbFamilyPacket requestPacket)
{
CifsServerPerConnection cifsConnection = connection as CifsServerPerConnection;
SmbPacket response = this.cifsServer.CreateDefaultResponse(cifsConnection,
requestPacket as SmbPacket);
this.cifsServer.SendPacket(response, cifsConnection);
}
/// <summary>
/// server response an error packet
/// </summary>
/// <param name="connection">the connection between server and client</param>
/// <param name="status">error code</param>
/// <param name="requestPacket">the request packet to send the error response</param>
public abstract void SendErrorResponse(
IFileServiceServerConnection connection,
uint status,
SmbFamilyPacket requestPacket);
