cvs commit: src/usr.sbin/jexec jexec.8 jexec.c

John Baldwin jhb at
Wed May 28 19:38:43 UTC 2008

On Monday 26 May 2008 10:07:35 am Michael Reifenberger wrote:
> On Mon, May 26, 2008 at 02:49:16PM +0100, Robert Watson wrote:
> > On Mon, 26 May 2008, Michael Reifenberger wrote:
> > 
> > > Extend jexec to accept hostname or ip-number besides jail-id.
> > 
> > It might be worth adding a caution in the man page notes somewhere that 
> > neither hostname nor IP address are guaranteed to uniquely identify a jail 
> > -- 
> > in which case, which will jexec choose?
> I'll add some cautions to the man page.
> The jail is found by an loop through the sysctl security.jail.list
> and comparing argv against ip-number and hostname.
> The first matching jail is used then.
> Makes sense only for those who keep their jails uniquely identifyable 
> by hostname or ip-number, of corse.

Maybe make it only work if it only matches a single jail?  That would work for 
the common case while avoiding ambiguities in the complex cases.

John Baldwin

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