NAME

       telnetlogin — login wrapper for telnetd

SYNOPSIS

       telnetlogin [-h host] [-p] [-f username] [username]

DESCRIPTION

       telnetlogin is a setuid wrapper that runs login(1).  It is meant to be invoked by telnetd(8); the idea is
       to remove the necessity of running telnetd as root.

       telnetlogin  should  be  installed  mode  4750,  user  root, group telnetd. Then, telnetd may be run from
       /etc/inetd.conf as user ``nobody'', group ``telnetd'', and with the option -L path-to-telnetlogin.

       telnetlogin accepts only the subset of options to login(1) shown above, in the order listed. This is  the
       order  telnetd(8)  normally  provides  them  in.   telnetlogin also does sanity checks on the environment
       variables TERM, and REMOTEHOST.  It also insists that the standard input, output, and error  streams  are
       open  on  a terminal, and that it is the process group leader of the foreground process of that terminal.
       After checking all of these conditions, checking the  values  of  the  above  environment  variables  for
       reasonable values, resetting signal handlers, and so forth, it execs login.

SEE ALSO

       login(1), inetd.conf(5), inetd(8), telnetd(8)

RESTRICTIONS

       THIS IS PRESENTLY EXPERIMENTAL CODE; USE WITH CAUTION.

HISTORY

       telnetlogin was written during the development of NetKit 0.17.

Linux NetKit (0.17)                              April 12, 2000                                   TELNETLOGIN(8)