Re: How to obtain process ID that created a packet

[Mikado]

> >Hi,
> >
> >Is there any way to catch REAL pid that generated a packet from 'struct sk_buff', 'struct
sock', 'struct socket', 'struct file' or etc... ? direct/indirect ways are accepted.
> 
> The question is: when do you test for the PID? You would have to do it 
> within send(), because anywhere else, you do not know. A socket may be 
> shared among multiple processes (most simple way: fork()).

I'm hooking in NF_IP_LOCAL_OUT of netfilter code using nf_register_hook() function.

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