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43 lines
875 B
Bash
43 lines
875 B
Bash
#!/bin/bash
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# make sure we aren't running already
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what=`basename $0`
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for p in `ps h -o pid -C $what`; do
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if [ $p != $$ ]; then
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exit 0
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fi
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done
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# source configuration
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. /etc/wifi.conf
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exec 1> /dev/null
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exec 2>> $log
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echo $(date) > $log
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# without check_interval set, we risk a 0 sleep = busy loop
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if [ ! "$check_interval" ]; then
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echo "No check interval set!" >> $log
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exit 1
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fi
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startWifi () {
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dhclient -v -r
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# make really sure
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killall dhclient
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iwconfig $wlan essid $essid
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dhclient -v $wlan
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}
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ifconfig $eth down
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ifconfig $wlan up
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startWifi
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while [ 1 ]; do
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ping -c 1 $router_ip & wait $!
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if [ $? != 0 ]; then
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echo $(date)" attempting restart..." >> $log
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startWifi
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sleep 1
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else sleep $check_interval
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fi
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done |