Execute and lock a user into a program upon login
steve at ibctech.ca
Fri Mar 13 17:59:22 PDT 2009
Although the application of my question focuses on network operation, I
believe that the objective fits this list.
Mostly irrelevant, I have been working on securing my network perimeter.
I have a FreeBSD box that acts as a host-based BGP peer to all edge
I use this host-based Quagga FBSD router to distribute routes that are
to be blackholed by the edge devices.
What I want is to set up an environment so that when a specific user
logs in to the box via SSH, a command is run, and they immediately get
dropped into the environment that the command produces.
When they exit this 'command', the login session is dropped.
Essentially, I want to 'lock' a user into a program upon SSH login, and
drop them from the SSH session when the program terminates.
- user 'router' connects via SSH
- user is dropped into the application 'vtysh'
- user performs operations
- user exits from program
- shell drops (ie. user does not have to exit the csh shell to drop the
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