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anthony's conn_man script
#!/bin/bash
#conn_man by anthony guevara, forked by 666threesixes666
#set interface, if you need to manually enter the interface because of multiple cards
#change to: IFACE=wlan0 or IFACE=wlp2s0
IFACE=$(ifconfig | grep -o 'wl[a-z0-9]*')
#Check if iface is up
if( ! $IFACE); then
ifconfig $IFACE up &&
echo -e "\n$IFACE is DOWN. Putting it UP now.\n";
fi
if [[ ! -d WPA ]]; then
mkdir -p WPA;
fi
if [[ ! -f WPA/wpa_log ]]; then
touch wpa_log;
fi
if [[ ! -f network_ssid ]]; then
touch network_ssid;
fi
# Clear wap_log every passthrough so we do not generate false errors.
echo > WPA/wpa_log
# Check for root
if [[ $EUID -ne 0 ]]; then
echo -e "\nYou must be root.\n";
exit;
fi
if [[ $1 == "--list" ]]; then
iw $IFACE scan | awk '/SSID|signal/{print $2}' | sed -e 'N;s/\n/ /;s/\(\-[0-9.]*\)\(.*\)\([a-zA-Z0-9]*\)/\2 \1/';
exit;
elif [[ $1 == "--help" ]]; then
echo -e "\nUSAGE: $0 SSID\n\nOptions:\n\n --list - List available network SSID's and their respective signals.\n\n --help - Display this dialog.\n";
exit;
else
# Check for correct amount of arguments
if [[ $# -ne 1 ]]; then
echo -e "\nPlease provide an SSID or option.\n";
echo -e "\nUSAGE: $0 SSID\n";
echo -e "\nOptions:\n\n --list - List available network SSID's and their respective signals.\n\n --help - Display this dialog.\n";
exit;
else
iw $IFACE scan | awk '/SSID/{print $2}' > ESSID;
# Check if the SSID exists.
if cat ESSID | grep -Fx "$1"; then
echo $1 > network_ssid;
else
echo -e "\nThe SSID $1 does not exist.\n";
exit;
fi
fi
fi
fi
#(cat ESSID | awk '{print $2}')
# Fixes network timeouts
iw dev $IFACE set power_save off;
# Fixes dropped packets issues
iwconfig $IFACE rate 5.5M fixed;
# Kills these two programs if they are running
if( pgrep dhcpcd ); then
killall dhcpcd;
fi
if( pgrep wpa_supplicant ); then
killall wpa_supplicant;
fi
SCAN=$(cat network_ssid);
#AnthonyAP is my Nexus 5 running DU with Unlmtd Data used for tethering.
if( ! ( iw dev $IFACE scan ssid $SCAN | grep -o "PSK" | sed -n '1p' ) ); then
ifconfig $IFACE down &&
iwconfig $IFACE ESSID $SCAN &&
ifconfig $IFACE up &&
dhcpcd $IFACE &&
ping google.com;
else
function WPA_CONN {
if [[ ! `cat WPA/${SCAN}.conf | wc -w` -eq 0 ]]; then
wpa_supplicant -i $IFACE -c /home/anthony/Documents/Bash/WPA/${SCAN}.conf -f WPA/wpa_log -B &&
dhcpcd $IFACE &&
ping google.com;
else
PASS=$(zenity --entry --text=Password);
wpa_passphrase "$SCAN" "$PASS" >> /home/anthony/Documents/Bash/WPA/${SCAN}.conf &&
if( wpa_supplicant -i $IFACE -c /home/anthony/Documents/Bash/WPA/${SCAN}.conf -f wpa_log -B ); then
if( cat WPA/wpa_log | grep "WPA: Invalid .*$" ); then
echo -e "\nWrong password.\n";
else
dhcpcd $IFACE &&
ping google.com;
fi
fi
fi
}
if( ! WPA_CONN ); then
echo -e "\nError.\n";
WPA_CONN;
fi
fi
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