[Systrace] Granularity of ioctl and fcntl

Johannes Nicolai johannes.nicolai at hpi.uni-potsdam.de
Mon May 2 13:55:37 EDT 2005


Hi,

I have attached a little program to demonstrate how one can use fcntl (the 
same is true for ioctl) to kill an arbitrary process that you were also able 
to kill with the kill command.
However, systrace only gives me the opprtunity to deny or permit fnctl / ioctl 
at all but no translations are available to decide this regarding the flags 
for the system call.
Perhaps (I hope so) I am wrong with this statement and there is a way to do 
it. If so please tell me.
If not, please tell me how I can implement it or if a new version of systrace 
will cover this feature.

Thanks in advance

Johannes Nicolai
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