doorbuzz/arpspoofdetect.sh

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#!/bin/bash
# led is not neopixel, so use the python lib for that
BUTTONPIN=25
BUZZERURL="$(cat "$(dirname "$0")"/secret.txt)/state.xml?relay1State=2&pulseTime1=5"
BUZZERSTATUSURL="$(cat "$(dirname "$0")"/secret.txt)/state.xml"
ATTENUATION=4
# file secret.txt should contain username:password
cd $(dirname "$0")
showleds() {
./redi.sh <<EOF
neoaction=$1
neored=$2
neogreen=$3
neoblue=$4
neomorse=$5
EOF
}
pulseon() {
red=$1
green=$2
blue=$3
showleds pulse $((red/ATTENUATION)) $((green/ATTENUATION)) $((blue/ATTENUATION)) </dev/null >/dev/null 2>&1 &
echo $!
}
echo "Initializing hardware"
# the button
ledcolor() {
red=$1
green=$2
blue=$3
showleds set $((red/ATTENUATION)) $((green/ATTENUATION)) $((blue/ATTENUATION))
}
echo "Main loop"
while true
do
if [ $(arp -a | awk '{arp[$2]=$4;ip[$4]=ip[$4]" "$2}END{print ip[arp["(10.2.113.1)"]]}' | wc -w) -gt 1 ]
then
ledcolor 255 50 50
sleep 1
pulseon 255 255 255
sleep 60
fi
done