internal static SMB2Command GetQueryInfoResponse(QueryInfoRequest request, ISMBShare share, SMB2ConnectionState state)
{
SMB2Session session = state.GetSession(request.Header.SessionID);
if (request.InfoType == InfoType.File)
{
OpenFileObject openFile = session.GetOpenFileObject(request.FileId);
if (openFile == null)
{
return(new ErrorResponse(request.CommandName, NTStatus.STATUS_FILE_CLOSED));
}
if (share is FileSystemShare)
{
if (!((FileSystemShare)share).HasReadAccess(session.SecurityContext, openFile.Path))
{
state.LogToServer(Severity.Verbose, "GetFileInformation on '{0}{1}' failed. User '{2}' was denied access.", share.Name, openFile.Path, session.UserName);
return(new ErrorResponse(request.CommandName, NTStatus.STATUS_ACCESS_DENIED));
}
}
FileInformation fileInformation;
NTStatus queryStatus = share.FileStore.GetFileInformation(out fileInformation, openFile.Handle, request.FileInformationClass);
if (queryStatus != NTStatus.STATUS_SUCCESS)
{
state.LogToServer(Severity.Verbose, "GetFileInformation on '{0}{1}' failed. Information class: {2}, NTStatus: {3}", share.Name, openFile.Path, request.FileInformationClass, queryStatus);
return(new ErrorResponse(request.CommandName, queryStatus));
}
state.LogToServer(Severity.Information, "GetFileInformation on '{0}{1}' succeeded. Information class: {2}", share.Name, openFile.Path, request.FileInformationClass);
QueryInfoResponse response = new QueryInfoResponse();
response.SetFileInformation(fileInformation);
return(response);
}
else if (request.InfoType == InfoType.FileSystem)
{
if (share is FileSystemShare)
{
if (!((FileSystemShare)share).HasReadAccess(session.SecurityContext, @"\"))
{
state.LogToServer(Severity.Verbose, "GetFileSystemInformation on '{0}' failed. User '{1}' was denied access.", share.Name, session.UserName);
return(new ErrorResponse(request.CommandName, NTStatus.STATUS_ACCESS_DENIED));
}
FileSystemInformation fileSystemInformation;
NTStatus queryStatus = share.FileStore.GetFileSystemInformation(out fileSystemInformation, request.FileSystemInformationClass);
if (queryStatus != NTStatus.STATUS_SUCCESS)
{
state.LogToServer(Severity.Verbose, "GetFileSystemInformation on '{0}' failed. Information class: {1}, NTStatus: {2}", share.Name, request.FileSystemInformationClass, queryStatus);
return(new ErrorResponse(request.CommandName, queryStatus));
}
state.LogToServer(Severity.Information, "GetFileSystemInformation on '{0} succeeded. Information class: {1}", share.Name, request.FileSystemInformationClass);
QueryInfoResponse response = new QueryInfoResponse();
response.SetFileSystemInformation(fileSystemInformation);
return(response);
}
}
return(new ErrorResponse(request.CommandName, NTStatus.STATUS_NOT_SUPPORTED));
}
public void GetFileSystemInformation(out FileSystemInformation result, NtHandle handle, FileSystemInformationClass informationClass)
{
QueryInfoRequest request = new QueryInfoRequest
{
InfoType = InfoType.FileSystem,
FileSystemInformationClass = informationClass,
OutputBufferLength = 4096,
FileId = (FileID)handle
};
SendCommand(request);
QueryInfoResponse queryInfoResponse = (QueryInfoResponse)WaitForCommand(request.MessageID);
queryInfoResponse.IsSuccessElseThrow();
result = queryInfoResponse.GetFileSystemInformation(informationClass);
}
internal static SMB2Command GetQueryInfoResponse(QueryInfoRequest request, ISMBShare share, SMB2ConnectionState state)
{
SMB2Session session = state.GetSession(request.Header.SessionID);
if (request.InfoType == InfoType.File)
{
OpenFileObject openFile = session.GetOpenFileObject(request.FileId);
if (openFile == null)
{
state.LogToServer(Severity.Verbose, "GetFileInformation failed. Invalid FileId. (SessionID: {0}, TreeID: {1}, FileId: {2})", request.Header.SessionID, request.Header.TreeID, request.FileId.Volatile);
return(new ErrorResponse(request.CommandName, NTStatus.STATUS_FILE_CLOSED));
}
if (share is FileSystemShare)
{
if (!((FileSystemShare)share).HasReadAccess(session.SecurityContext, openFile.Path))
{
state.LogToServer(Severity.Verbose, "GetFileInformation on '{0}{1}' failed. User '{2}' was denied access.", share.Name, openFile.Path, session.UserName);
return(new ErrorResponse(request.CommandName, NTStatus.STATUS_ACCESS_DENIED));
}
}
FileInformation fileInformation;
NTStatus queryStatus = share.FileStore.GetFileInformation(out fileInformation, openFile.Handle, request.FileInformationClass);
if (queryStatus != NTStatus.STATUS_SUCCESS)
{
state.LogToServer(Severity.Verbose, "GetFileInformation on '{0}{1}' failed. Information class: {2}, NTStatus: {3}. (FileId: {4})", share.Name, openFile.Path, request.FileInformationClass, queryStatus, request.FileId.Volatile);
return(new ErrorResponse(request.CommandName, queryStatus));
}
state.LogToServer(Severity.Information, "GetFileInformation on '{0}{1}' succeeded. Information class: {2}. (FileId: {3})", share.Name, openFile.Path, request.FileInformationClass, request.FileId.Volatile);
QueryInfoResponse response = new QueryInfoResponse();
response.SetFileInformation(fileInformation);
return(response);
}
else if (request.InfoType == InfoType.FileSystem)
{
if (share is FileSystemShare)
{
if (!((FileSystemShare)share).HasReadAccess(session.SecurityContext, @"\"))
{
state.LogToServer(Severity.Verbose, "GetFileSystemInformation on '{0}' failed. User '{1}' was denied access.", share.Name, session.UserName);
return(new ErrorResponse(request.CommandName, NTStatus.STATUS_ACCESS_DENIED));
}
FileSystemInformation fileSystemInformation;
NTStatus queryStatus = share.FileStore.GetFileSystemInformation(out fileSystemInformation, request.FileSystemInformationClass);
if (queryStatus != NTStatus.STATUS_SUCCESS)
{
state.LogToServer(Severity.Verbose, "GetFileSystemInformation on '{0}' failed. Information class: {1}, NTStatus: {2}", share.Name, request.FileSystemInformationClass, queryStatus);
return(new ErrorResponse(request.CommandName, queryStatus));
}
state.LogToServer(Severity.Information, "GetFileSystemInformation on '{0}' succeeded. Information class: {1}", share.Name, request.FileSystemInformationClass);
QueryInfoResponse response = new QueryInfoResponse();
response.SetFileSystemInformation(fileSystemInformation);
return(response);
}
}
else if (request.InfoType == InfoType.Security)
{
OpenFileObject openFile = session.GetOpenFileObject(request.FileId);
if (openFile == null)
{
state.LogToServer(Severity.Verbose, "GetSecurityInformation failed. Invalid FileId. (SessionID: {0}, TreeID: {1}, FileId: {2})", request.Header.SessionID, request.Header.TreeID, request.FileId.Volatile);
return(new ErrorResponse(request.CommandName, NTStatus.STATUS_FILE_CLOSED));
}
if (share is FileSystemShare)
{
if (!((FileSystemShare)share).HasReadAccess(session.SecurityContext, openFile.Path))
{
state.LogToServer(Severity.Verbose, "GetSecurityInformation on '{0}{1}' failed. User '{2}' was denied access.", share.Name, openFile.Path, session.UserName);
return(new ErrorResponse(request.CommandName, NTStatus.STATUS_ACCESS_DENIED));
}
}
SecurityDescriptor securityDescriptor;
NTStatus queryStatus = share.FileStore.GetSecurityInformation(out securityDescriptor, openFile.Handle, request.SecurityInformation);
if (queryStatus != NTStatus.STATUS_SUCCESS)
{
state.LogToServer(Severity.Verbose, "GetSecurityInformation on '{0}{1}' failed. Security information: 0x{2}, NTStatus: {3}. (FileId: {4})", share.Name, openFile.Path, request.SecurityInformation.ToString("X"), queryStatus, request.FileId.Volatile);
return(new ErrorResponse(request.CommandName, queryStatus));
}
if (securityDescriptor.Length > request.OutputBufferLength)
{
state.LogToServer(Severity.Information, "GetSecurityInformation on '{0}{1}' failed. Security information: 0x{2}, NTStatus: STATUS_BUFFER_TOO_SMALL. (FileId: {3})", share.Name, openFile.Path, request.SecurityInformation.ToString("X"), request.FileId.Volatile);
byte[] errorData = LittleEndianConverter.GetBytes((uint)securityDescriptor.Length);
return(new ErrorResponse(request.CommandName, NTStatus.STATUS_BUFFER_TOO_SMALL, errorData));
}
state.LogToServer(Severity.Information, "GetSecurityInformation on '{0}{1}' succeeded. Security information: 0x{2}. (FileId: {3})", share.Name, openFile.Path, request.SecurityInformation.ToString("X"), request.FileId.Volatile);
QueryInfoResponse response = new QueryInfoResponse();
response.SetSecurityInformation(securityDescriptor);
return(response);
}
return(new ErrorResponse(request.CommandName, NTStatus.STATUS_NOT_SUPPORTED));
}
