/usr/sbin/olsrd-adhoc-setup is in olsrd 0.6.6.2-1ubuntu1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 | #!/bin/sh
#- globals --------------------------------------------------------------------#
nmcli="/usr/bin/nmcli --mode tabular"
#- functions ------------------------------------------------------------------#
get_wlan_if()
{
if [ -x /sbin/iwconfig ]; then
echo `/sbin/iwconfig 2>&1 | grep 'IEEE 802.11' | head -1 | awk '{print $1}'`
elif [ -x /usr/bin/nmcli ]; then
echo `$nmcli dev list | grep -B6 WIFI-PROPERTIES| head -1 | awk '{print $2}'`
else
# wild guess, why not...
echo "wlan0"
fi
}
get_current_bssid()
{
if [ -x /sbin/iwgetid ]; then
iwgetid --ap --raw
fi
}
#- main -----------------------------------------------------------------------#
if [ ! -x /sbin/iwconfig ]; then
echo "/sbin/iwconfig required! sudo apt-get install wireless-tools"
exit
fi
if [ -z "$1" ]; then
wlan=$(get_wlan_if)
else
wlan=$1
fi
if [ "$wlan" = "" ]; then
echo "No wifi network interface found! Perhaps you need to modprobe?"
exit
fi
if [ -z "$2" ]; then
channel=5
else
channel=$2
fi
if [ -z "$3" ]; then
essid=commotionwireless.net
else
essid="$3"
fi
if [ -z "$4" ]; then
bssid=02:ca:ff:ee:ba:be
else
bssid="$4"
fi
echo "Setting mesh on '$wlan' to channel $channel:"
echo "Attaching to '$essid' with BSSID '$bssid'"
# set NetworkManager to play nice
if [ -x /usr/bin/nmcli ]; then
echo -n "Turning off NetworkManager wifi control: "
$nmcli nm sleep false 2> /dev/null
$nmcli nm wifi on 2> /dev/null
$nmcli dev disconnect iface $wlan 2> /dev/null
fi
echo -n "Setting up ad-hoc networking: "
# ifconfig down before setting ad-hoc mode because some chips require that
/sbin/ifconfig $wlan down
# disassociate from current BSSID in case an ad-hoc BSSID already stuck there
/sbin/iwconfig $wlan ap $bssid
sleep 1
/sbin/iwconfig $wlan mode ad-hoc
/sbin/iwconfig $wlan channel $channel
/sbin/iwconfig $wlan essid $essid
/sbin/iwconfig $wlan key off
/sbin/iwconfig $wlan rate auto
/sbin/iwconfig $wlan txpower auto
# many devices don't support the follow options so hide the errors
/sbin/iwconfig $wlan modu auto > /dev/null 2>&1
/sbin/iwconfig $wlan commit > /dev/null 2>&1
/sbin/ifconfig $wlan up
# some cards want to be configured after the interface is up
sleep 5
mode=`iwgetid --mode --raw`
if [ "$mode" != "1" ]; then
/sbin/iwconfig $wlan mode ad-hoc
/sbin/iwconfig $wlan channel $channel
/sbin/iwconfig $wlan essid $essid
/sbin/iwconfig $wlan commit > /dev/null 2>&1
fi
# Wait for things to settle before trying the next step
sleep 2
echo "done"
echo -n "Setting up IP address: "
# get MAC to generate hopefully unique IP address with, by using the last two
# hex pairs as the last two hex pairs for the IP address, converting the hex
# to decimal first.
MAC=`/sbin/ifconfig | grep $wlan | sed 's|.*HWaddr ||'`
MAC5=`echo $MAC | cut -d : -f 5`
MAC6=`echo $MAC | cut -d : -f 6`
ip3=`printf %d 0x$MAC5`
ip4=`printf %d 0x$MAC6`
net=172.29
ip=$net.$ip3.$ip4
/sbin/ifconfig $wlan inet $ip broadcast $net.255.255
echo "done"
echo "OLSR ad-hoc setup on $wlan using $essid on channel $channel with IP $ip"
echo " ad-hoc Cell BSSID: `get_current_bssid`"
|