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wifi
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wifi
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# To automate wifi scanning
# TO DO: See which node supports Wireless : DONE
# Check if the link is up/down
# If possible let the user login to wifi through this script
declare -i flag=0 # 0 if none supports scanning, 1 if eth0 supports scanning, 2 if wlan0 supports scanning
#Scan eth0
sudo iwlist eth0 scanning > eth0.in
if [ $? -eq 0 ]
then
"eth0 supports scanning"
flag=flag+1
fi
#Scan wlan0
sudo iwlist wlan0 scanning > wlan0.in
if [ $? -eq 0 ]
then
echo "wlan0 supports scanning"
flag=flag+2
fi
#while [ $x -eq $x ] #Infinite Loop
#do
if [ $flag -eq 1 ];then
val="eth0"
fi
if [ $flag -eq 2 ];then
val="wlan0"
fi
echo " Searchnig for an adhoc network"
sudo iwlist "$val" scanning > wifi.in
grep -B 4 "Ad-Hoc" wifi.in | grep "SSID"
if [ $? -eq 0 ]
then
echo "Ad-Hoc Networks Found"
echo "Enter the network name you want to connect to"
read ssid
#Setting up the network
sudo ifconfig "$val" down
sudo ifconfig "$val" up #So that any previous connection is lost
sudo iw "$val" set type ibss # Independent BSS
sudo ifconfig "$val" 10.0.0.2 up #Add an IP to it
sudo iw wlan0 ibss join "$ssid" 2412 # Name + Frequency
echo "Network is setup"
sudo iwconfig wlan0 #Display the adhoc name
sudo iw wlan0 link
#Network is Setup
else
echo "Ad-Hoc Networks Not Found"
fi
sleep 2
#done