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Re: Unbounded memory use in drda-info
From: Patrik Karlsson <patrik () cqure net>
Date: Mon, 9 May 2011 17:54:50 +0200
On May 9, 2011, at 5:05 AM, Sebastian Dragomir wrote:
I found that the problem originates in drda.lua, lines 271-275.
Script gets stuck in this loop forever because "data" is less than 4
characters so "pos" will always be -1 due to line 323.
This is because recv does not read all the needed bytes on line 255 due to
Thanks Sebastian. I will look at the patch later tonight.
Unfortunately that piece of code (my buffered socket class) is duplicated into 7 other libraries which will all need
I should have probably factored it out to a single library a long time ago. David, should I do so at the same time I
fix this, and if so what should I name the library?
I would of course prefer being able to call receive_bytes directly with the exact number of bytes to read, rather than
I know this has been discussed in the past  but I'm not certain about the current status.
receive_bytes does not seem to guarantee it will return a minimum n bytes
even though the wording in its documentation might suggest so.
It sets NSE_STATUS_SUCCESS even when not all bytes have been received in
nsock/src/nsock_core.c line 736, which may or may not be intended for
Here is a patch for drda.lua.
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