#!/bin/sh # Copyright (c) 2016, David Hauweele # All rights reserved. # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions are met: # # 1. Redistributions of source code must retain the above copyright notice, this # list of conditions and the following disclaimer. # 2. Redistributions in binary form must reproduce the above copyright notice, # this list of conditions and the following disclaimer in the documentation # and/or other materials provided with the distribution. # # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE # DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR # ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES # (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; # LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND # ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS # SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. select_chan() { chan="$1" ifconfig wlan0 down ifconfig wlan0 channel "$chan" ifconfig wlan0 up } case "$1" in load) kldload if_iwm ifconfig wlan0 create wlandev iwm0 ;; start) chan="$2" if [ -z "$chan" ] then echo "Except channel..." exit 1 fi echo "Restart interface..." service netif restart echo "Kill wpa_supplicant" killall wpa_supplicant echo -n "Configure channel $chan... " select_chan "$chan" echo "done!" echo "Starting wpa_supplicant..." wpa_supplicant -i wlan0 -c/etc/wpa_supplicant.conf ;; scan) scan_chan() { chan="$1" select_chan "$chan" sleep 2 ifconfig wlan0 scan } for chan in $(seq 1 13) do scan_chan "$chan" done ;; unload) ifconfig wlan0 down kldunload if_iwm ;; esac