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SMBServer: Bugfix: Do not send NotifyChange response if the session has been closed

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Tal Aloni 2017-08-24 12:01:12 +03:00
parent a32e62d020
commit 056ab48a71
2 changed files with 33 additions and 34 deletions
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48
SMBLibrary/Server/SMB1/NotifyChangeHelper.cs
View file

@ -52,31 +52,31 @@ namespace SMBLibrary.Server.SMB1
{
connection.LogToServer(Severity.Verbose, "NotifyChange: Monitoring of '{0}{1}' completed. NTStatus: {2}. PID: {3}. MID: {4}.", openFile.ShareName, openFile.Path, status, asyncContext.PID, asyncContext.MID);
}
}
SMB1Header header = new SMB1Header();
header.Command = CommandName.SMB_COM_NT_TRANSACT;
header.Status = status;
header.Flags = HeaderFlags.CaseInsensitive | HeaderFlags.CanonicalizedPaths | HeaderFlags.Reply;
// [MS-CIFS] SMB_FLAGS2_LONG_NAMES SHOULD be set to 1 when the negotiated dialect is NT LANMAN.
// [MS-CIFS] SMB_FLAGS2_UNICODE SHOULD be set to 1 when the negotiated dialect is NT LANMAN.
// [MS-CIFS] The Windows NT Server implementation of NT_TRANSACT_NOTIFY_CHANGE always returns the names of changed files in Unicode format.
header.Flags2 = HeaderFlags2.LongNamesAllowed | HeaderFlags2.NTStatusCode | HeaderFlags2.Unicode;
header.UID = asyncContext.UID;
header.TID = asyncContext.TID;
header.PID = asyncContext.PID;
header.MID = asyncContext.MID;
notifyChangeResponse.FileNotifyInformationBytes = buffer;
SMB1Header header = new SMB1Header();
header.Command = CommandName.SMB_COM_NT_TRANSACT;
header.Status = status;
header.Flags = HeaderFlags.CaseInsensitive | HeaderFlags.CanonicalizedPaths | HeaderFlags.Reply;
// [MS-CIFS] SMB_FLAGS2_LONG_NAMES SHOULD be set to 1 when the negotiated dialect is NT LANMAN.
// [MS-CIFS] SMB_FLAGS2_UNICODE SHOULD be set to 1 when the negotiated dialect is NT LANMAN.
// [MS-CIFS] The Windows NT Server implementation of NT_TRANSACT_NOTIFY_CHANGE always returns the names of changed files in Unicode format.
header.Flags2 = HeaderFlags2.LongNamesAllowed | HeaderFlags2.NTStatusCode | HeaderFlags2.Unicode;
header.UID = asyncContext.UID;
header.TID = asyncContext.TID;
header.PID = asyncContext.PID;
header.MID = asyncContext.MID;
notifyChangeResponse.FileNotifyInformationBytes = buffer;
byte[] responseSetup = notifyChangeResponse.GetSetup();
byte[] responseParameters = notifyChangeResponse.GetParameters(false);
byte[] responseData = notifyChangeResponse.GetData();
List<SMB1Command> responseList = NTTransactHelper.GetNTTransactResponse(responseSetup, responseParameters, responseData, asyncContext.Connection.MaxBufferSize);
foreach (SMB1Command response in responseList)
{
SMB1Message reply = new SMB1Message();
reply.Header = header;
reply.Commands.Add(response);
SMBServer.EnqueueMessage(asyncContext.Connection, reply);
byte[] responseSetup = notifyChangeResponse.GetSetup();
byte[] responseParameters = notifyChangeResponse.GetParameters(false);
byte[] responseData = notifyChangeResponse.GetData();
List<SMB1Command> responseList = NTTransactHelper.GetNTTransactResponse(responseSetup, responseParameters, responseData, asyncContext.Connection.MaxBufferSize);
foreach (SMB1Command response in responseList)
{
SMB1Message reply = new SMB1Message();
reply.Header = header;
reply.Commands.Add(response);
SMBServer.EnqueueMessage(asyncContext.Connection, reply);
}
}
}
}

19
SMBLibrary/Server/SMB2/ChangeNotifyHelper.cs
View file

@ -53,17 +53,16 @@ namespace SMBLibrary.Server.SMB2
{
connection.LogToServer(Severity.Verbose, "NotifyChange: Monitoring of '{0}{1}' completed. NTStatus: {2}. AsyncID: {3}", openFile.ShareName, openFile.Path, status, asyncContext.AsyncID);
}
ChangeNotifyResponse response = new ChangeNotifyResponse();
response.Header.Status = status;
response.Header.IsAsync = true;
response.Header.IsSigned = session.SigningRequired;
response.Header.AsyncID = asyncContext.AsyncID;
response.Header.SessionID = asyncContext.SessionID;
response.OutputBuffer = buffer;
SMBServer.EnqueueResponse(connection, response);
}
ChangeNotifyResponse response = new ChangeNotifyResponse();
response.Header.Status = status;
response.Header.IsAsync = true;
response.Header.IsSigned = session.SigningRequired;
response.Header.AsyncID = asyncContext.AsyncID;
response.Header.SessionID = asyncContext.SessionID;
response.OutputBuffer = buffer;
SMBServer.EnqueueResponse(connection, response);
}
}
}