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#!/bin/bash
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#!/bin/bash
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# $Id: alcasar-watchdog.sh 2871 2020-10-28 18:17:44Z rexy $
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# $Id: alcasar-watchdog.sh 2883 2020-11-15 21:14:52Z rexy $
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# alcasar-watchdog.sh
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# alcasar-watchdog.sh
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# by Rexy
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# by Rexy
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# This script is distributed under the Gnu General Public License (GPL)
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# This script is distributed under the Gnu General Public License (GPL)
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# - Ce script prévient les usagers de l'indisponibilité de l'accès Internet
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# - Ce script prévient les usagers de l'indisponibilité de l'accès Internet
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if [ -e $current_users_file ]; then
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if [ -e $current_users_file ]; then
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# We check if user @IP is in 'current_users.txt'
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# We check if user @IP is in 'current_users.txt'
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cmp_user_ok=$(cat $current_users_file | awk -F':' "\$1 == \"$active_ip\" {print \$2}")
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cmp_user_ok=$(cat $current_users_file | awk -F':' "\$1 == \"$active_ip\" {print \$2}")
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# If not we disconnect this user.
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# If not we disconnect this user.
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if [ -z "$cmp_user_ok" ]; then
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if [ -z "$cmp_user_ok" ]; then
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logger -t alcasar-watchdog "$active_ip ($active_mac) can't be contact. We disconnects the user ($active_user)."
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logger -t alcasar-watchdog "$active_ip ($active_mac) doesn't contact ALCASAR any more. We disconnects the user ($active_user)."
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/usr/sbin/chilli_query logout $active_mac
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/usr/sbin/chilli_query logout $active_mac
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elif [ "$cmp_user_ok" == "TEMP" ]; then
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elif [ "$cmp_user_ok" == "TEMP" ]; then
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# Remove the user's IP from 'current_users.txt'. Every user need to insert their @IP everytime to prove their connectivity.
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# Remove the user's IP from 'current_users.txt'. Every user status page need to insert their @IP everytime to prove their connectivity.
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# We don't disconnect when $cmp_user_ok == "PERM" (status page not needed)
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sed -i "/^$active_ip:$cmp_user_ok\$/d" $current_users_file
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sed -i "/^$active_ip:$cmp_user_ok\$/d" $current_users_file
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fi
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fi
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else # "current_user.txt" does not exists. We disconnect every users.
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else # "current_user.txt" does not exists. We disconnect every users.
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logger -t alcasar-watchdog "The file /tmp/current_users.txt doesn't' exist. We disconnects the user $active_user"
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logger -t alcasar-watchdog "The file /tmp/current_users.txt doesn't' exist. We disconnects the user $active_user"
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/usr/sbin/chilli_query logout $active_mac
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/usr/sbin/chilli_query logout $active_mac
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