Tripp Lite B092-016 Owner's Manual download pdf (Page 188)

188

When an alert occurs on a port, the portmanager will attempt to execute

/etc/config/scripts/portXX.alert

(where XX is the port number, e.g. 08)

The script is run with STDIN containing the data which triggered

the alert, and STDOUT

redirected to /dev/null, NOT to the serial port

If you wish to communicate with the port,

use

pmshell

pmchat

from within the script.

If the script cannot be executed, then the alert will be mailed to the address configured in

the

system administration section.

III.

When a user connects to any port:

If a file called

/etc/config/pmshell

start.sh

exists

it is run when a user connects to a port. It

is provided

with

2 arguments, the "Port number" and the "Username". Here is a simple

exampl

</etc/config/pmshell

start.sh

#!/bin/sh

PORT="$1"

USER="$2"

echo "Welcome to port $PORT $USER"

/etc/config/pmshell

start.sh>

The return value from the script controls whet

her the user is accepted or not

f 0 is

returned (or nothing is done on

exit as in the above script)

then

the user is permitted,

otherwise

the user is denied access.

Here is a more complex script which reads from configuration to display the port label if

available and denies access to the root user:

</etc/config/pmshell

start.sh>

#!/bin/sh

PORT="$1"

USER="$2"

LABEL=$(config

g config.ports.port$PORT.label | cut

d' ')

if [ "$USER" == "root" ]; then

echo "Permission denied for Super User"

exit 1

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Tripp Lite B092-016 Owner's Manual Page 188

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