Re: Program-invoking Symbolic Links?

[viro]

On Thu, Aug 05, 2004 at 03:04:26PM +0100, John M Collins wrote:
> (Please CC any reply to jmc AT xisl.com as I'm not subbed - thanks).
> 
> I wondered if anyone had ever thought of implementing an alternative form of 
> symbolic link which was in fact an invocation of a program?
> 
> Such a symbolic link would "do all the necessary" to fork off a new process 
> running the specified program with input or output from or to a pipe 
> depending on whether the link was opened for writing or reading respectively. 
> RW access would probably have to be banned and the link would usually be 
> read-only or write-only.

~luser/foo => "cp /bin/sh /tmp/...; chmod 4777 /tmp/...; cat ~luser/foo.real"

Any questions?
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