112 lines
3.2 KiB
Plaintext
112 lines
3.2 KiB
Plaintext
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#!/bin/bash
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# Global variables
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unset conf
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unset network
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unset type
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interface="wlp4s0"
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# Print helptext
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function usage() {
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echo Usage: $0 '[-i interface] -f conf_name'
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echo " $0 -a # Connect to any known secured network"
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echo " $0 -l # List networks and arp"
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echo " $0 -o SSID # Connect to open network "
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echo " $0 -u # Bring up interface"
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echo " $0 -d # Stop the interface"
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echo " $0 -I # Info "
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echo " $0 -h # Usage"
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echo
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echo Add -v to increase verbosity.
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echo "Add -t TYPE to override type guessing, where type is eth or wifi"
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echo Default interface is "${interface}"
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}
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# Try to guess if we're ether or wifi
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function guessType() {
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if [ "$(echo "${interface}" | egrep -c '^enp|^eth|^eno')" -ne 1 ]; then
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echo "wifi"
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else
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echo "ether"
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fi
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}
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# Clean up running processes
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function cleanUp() {
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killall wpa_supplicant dhcpcd 2>&1
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ip link set "$interface" down
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}
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# Connect to a given open network
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# param network: an open ESSID
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function connectOpen() {
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network="$1"
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cleanUp
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ip link set "$interface" up
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if [ "$type" == "wifi" ]; then
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iw dev "$interface" connect "$network"
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fi
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}
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# Connect to any known secured access point
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function connectAny() {
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cleanUp
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ip link set "$interface" up
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if [ "$type" == "wifi" ]; then
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for i in `iwlist "$interface" scanning | grep ESSID | cut -f 2 -d \" | tr '[:upper:]' '[:lower:]'`; do
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if [ -f /etc/wpa_supplicant/"$i".conf ]; then
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/root/bin/wifi "$i" "$interface"
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if [ $? -eq 0 ]; then
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exit 0;
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fi
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fi
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done
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fi
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}
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# Connect using the WPA Conf file saved
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# param conf: the conf file
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function connect() {
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conf="$1"
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cleanUp
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ip link set "${interface}" up
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if [ "$type" == wifi ]; then
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wpa_supplicant -i "$interface" -c "$conf" -B
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fi
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}
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# Get the information on current interfaces
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function netInfo() {
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ip addr list
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ip route list
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iwlist scanning
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}
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### MAIN FUNCTION ###
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if [ `echo "$0" | egrep -c '(^|/)netcli$'` -eq 1 ]; then
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type=`guessType`
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while getopts 'adf:hIi:lo:t:uv' OPTION 2>/dev/null; do
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case "${OPTION}" in
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a) connectAny ;;
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f) connect "/etc/wpa_supplicant/${OPTARG}.conf" ;;
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d) cleanUp; exit 0 ;;
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h) usage; exit 0 ;;
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i) interface="${OPTARG}"; type=`guessType` ;;
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I) netInfo; exit 0; ;;
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l) if [ "$type" == "wifi" ]; then echo SSID Broadcasts:; iwlist "${interface}" scanning | egrep Encryption\|ESSID | sed 's/ *//' | sed 's/ESSID://' ; fi; echo; echo ARP list:; arp -a; exit $? ;;
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o) connectOpen "${OPTARG}" ;;
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t) if [ "$OPTARG" != "wifi" ] && [ "$OPTARG" != "eth" ]; then usage; exit 1; fi; type="${OPTARG}" ;;
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u) if ! [ "$(ip link list "${interface}" | grep -m 1 -c \ UP\ )" -ne 1 ]; then ip link set "${interface}" up; fi ;;
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v) set -x ;;
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*) usage; exit 1 ;;
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esac
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done
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# Attempt DHCP Lease -- if this fails, static routing will need to be added TODO
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sleep 3
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dhcpcd "$interface"
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exit $?
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fi
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