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Bugfix: SMB2 QUERY_DIRECTORY response buffer length sometimes exceeded the request's OutputBufferLength

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Tal Aloni 2017-05-23 10:57:42 +03:00
parent 29a18fbfea
commit 4f28519223
1 changed files with 4 additions and 2 deletions
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6
SMBLibrary/Server/SMB2/QueryDirectoryHelper.cs
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@ -78,10 +78,12 @@ namespace SMBLibrary.Server.SMB2
return new ErrorResponse(request.CommandName, NTStatus.STATUS_INVALID_PARAMETER); return new ErrorResponse(request.CommandName, NTStatus.STATUS_INVALID_PARAMETER);
} }
if (pageLength + fileInformation.Length <= request.OutputBufferLength) int entryLength = fileInformation.Length;
if (pageLength + entryLength <= request.OutputBufferLength)
{ {
page.Add(fileInformation); page.Add(fileInformation);
pageLength += fileInformation.Length; int paddedLength = (int)Math.Ceiling((double)entryLength / 8) * 8;
pageLength += paddedLength;
openSearch.EnumerationLocation = index + 1; openSearch.EnumerationLocation = index + 1;
} }
else else