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#!/bin/bash
# authors : Petr Simandl www.simandl.cz
# : Fyzik
# release date : 9/3/2003
# name : wifimon
# version : 0.4beta3
# description : hostap powered wifi card monitoring
# license : GPL
wl_iwccmd="/usr/local/sbin/iwconfig"
wl_ifccmd="/sbin/ifconfig"
wl_hnmcmd="/bin/hostname"
wl_hostap="/proc/net/hostap/"
wl_wireless="/proc/net/wireless"
wl_arp="/proc/net/arp"
wlc_red=`tput setaf 1`
wlc_green=`tput setaf 2`
wlc_brown=`tput setaf 3`
wlc_blue=`tput setaf 4`
wlc_magenta=`tput setaf 5`
wlc_lblue=`tput setaf 6`
wlc_grey=`tput setaf 7`
wlc_std=`tput sgr0`
wlc_ip=$wlc_lblue # ip address color
wlc_mac=$wlc_magenta # mac address color
wlc_sig=$wlc_red # signal number color
wlc_bar=$wlc_green # signal bar color
wl_webpage="/tmp/wifimon.htm"
wl_header="<html><head><meta HTTP-EQUIV=\"Refresh\" CONTENT=\"3\"><title>Wifimon @ `$wl_hnmcmd`</title></head><body BGCOLOR=\"#FFFFFF\" TEXT=\"#000000\"><pre>"
wl_header_static="<html><head><title>Wifimon @ `$wl_hnmcmd`</title></head><body BGCOLOR=\"#FFFFFF\" TEXT=\"#000000\"><pre>"
wl_footer="</pre></body></html>"
wlm_no_managed_or_master=" neni ani Master ani Managed..."
wlm_number_of_clients="Pocet asociovanych klientu : "
wlm_unknown="Nezname parametry nebo neplatne jmeno rozhrani : "
#wlm_no_managed_or_master=" is not Master or Managed..."
#wlm_number_of_clients="Number of associated clients : "
######################################################################
w_bw()
{
wlc_ip=""
wlc_mac=""
wlc_sig=""
wlc_bar=""
wlc_std=""
}
######################################################################
w_bar()
{
echo -n "${wlc_bar}"
until [ "$wl_cnt" -eq -1 ]
do
printf "="
wl_cnt=$(($wl_cnt - 1 ))
done
printf " \n"
echo -n "${wlc_std}"
# tput sgr0
} # w_bar
######################################################################
w_managed()
{ echo $wl_iwctxt | awk '{print $1,$3,$4,$5" "}'
echo -n `$wl_ifccmd $wl_iface | grep -E "inet addr|inet adr" | awk '{print $2" "}' | sed s/ad*r://g`" " # IP adresa mastera z ifconfig
echo $wl_iwctxt | awk '{print $9,$6,$11" "}'
#echo $wl_iwctxt | awk '{print $27,$28,$29,$31,$32" "}'
#cat $wl_wireless | grep $wl_iface
wl_wtxt=`cat $wl_wireless | grep $wl_iface | awk '{print $3,$4,$5}' | sed 's/\.//g'`
wl_quality=`echo $wl_wtxt | awk '{print $1}'`
wl_signal=`echo $wl_wtxt | awk '{print $2}'`
wl_signal=$(($wl_signal - 256))
wl_noise=`echo $wl_wtxt | awk '{print $3}'`
wl_noise=$(($wl_noise - 256))
echo "Quality:${wlc_sig}$wl_quality${wlc_std}/92 Signal level:$wl_signal Noise level:$wl_noise "
wl_cnt=$wl_quality
w_bar
#wl_cnt=$(($wl_cnt + 100))
#w_bar
echo
} # w_managed
######################################################################
w_master()
{ if [ $wcm_oneline -eq 0 ]
then
echo $wl_iwctxt | awk '{print $1,$3,$4,$5" "}'
echo $wl_iwctxt | awk '{print $6,$9,$11" "}'
else
echo $wl_iwctxt | awk '{print $1,$4,$5,$6,$11" "}' | sed 's/ [^": ]*:/ /g'
fi
wl_numcl=`ls $wl_hostap$wl_iface | grep -c 00`
echo $wlm_number_of_clients $wl_numcl
wl_numcllast=$(($wl_numcllast + $wl_numcl))
for wl_mac in `ls $wl_hostap$wl_iface | grep 00 `
do
wl_macparam=`cat $wl_hostap$wl_iface/$wl_mac | grep -E 'last_rx|last_tx'`
wl_cnt=`echo $wl_macparam | awk '{print $5}' | sed 's/signal=//g'`
wl_ipc=`cat $wl_arp | grep -i $wl_mac | awk '{print $1}'` # IP adresa peeru z arp tabulky
wl_name=`cat /etc/dhcpd.conf | grep -i $wl_mac | awk '{print $2}'`
if [ $wcm_oneline -eq 0 ]
then
echo -n "$wl_name "
echo -n "${wlc_ip}$wl_ipc${wlc_std} "
echo -n "${wlc_mac}$wl_mac${wlc_std} Signal ${wlc_sig}$wl_cnt${wlc_std} "
echo $wl_macparam | awk '{print $1,$2" "}'
w_bar
else
echo -n "$wl_name "
#echo -n "${wlc_ip}$wl_ipc${wlc_std} "
echo -n "${wlc_mac}$wl_mac${wlc_std} ${wlc_sig}$wl_cnt${wlc_std} "
#echo -n $wl_macparam | awk '{print $1,$2" "}'
w_bar
fi
done
echo
} # w_master
######################################################################
w_iface()
{ wl_iwctxt=`$wl_iwccmd $wl_iface | grep -v 'Device|Some|Extension' | sed 's/ Nick/_Nick/g'`
wl_mode=`echo $wl_iwctxt | awk '{print $5}' | sed 's/Mode://g'`
if [ "a$wl_mode" = "aManaged" ]
then
w_managed
elif [ "a$wl_mode" = "aAd-Hoc" ]
then
w_managed
elif [ "a$wl_mode" = "aMaster" ]
then
w_master
else
echo $wl_iface $wlm_no_managed_or_master
echo
fi
}
######################################################################
w_help()
{
echo Pouziti: wifimon [param]
echo param:
echo -html generovani html stranky
echo -col barevny cyklicky vypis na obrazovku
echo -once vypsani jen jednoho vypisu a pak program skonci
echo -oneline vypsani klientu na jednu linku
echo -wlan0 -wlan1 -wlan2 vypise jen uvedene karty a to v danem poctu a poradi
echo bez parametru cyklicky vypis na obrazovku
exit 0
}
######################################################################
######################################################################
wl_unknown=""
wl_cnt=1
wcm_clear=1
wcm_once=0
wcm_col=0
wcm_oneline=0
wcm_html=0
wcm_ifc=""
# parsing input parameters
while [ "a$1" != "a" ]
do
case $1 in
-help)
w_help
;;
-once)
wcm_once=1
shift
;;
-oneline)
wcm_oneline=1
shift
;;
-col)
wcm_col=1
shift
;;
-html)
wcm_html=1
shift
;;
*)
wl_flg=0
for wl_iface in `ls $wl_hostap`
do
if [ "a-$wl_iface" = "a$1" ]
then
wcm_ifc="$wcm_ifc $wl_iface"
wl_flg=1
fi
done
if [ $wl_flg -eq 0 ]
then
wl_unknown="$wl_unknown$1 "
fi
shift
esac
done
# printing the list of bad parameters (if there are some)
if [ "a$wl_unknown" != "a" ]
then
echo "$wlm_unknown $wl_unknown"
w_help
fi
# if no interface is selected then all available are choosen
if [ "a$wcm_ifc" = "a" ]
then
wcm_ifc=`ls $wl_hostap`
fi
# setting for old and last same value to avoid double clear after start
wl_numcllast=0
wl_numclold=0
for wl_iface in $wcm_ifc
do
wl_numcl=`ls $wl_hostap$wl_iface | grep -c 00`
wl_numcllast=$(($wl_numcllast + $wl_numcl))
done
wl_numclold=$wl_numcllast
if [ $wcm_col -eq 0 ]
then
w_bw
fi
while [ 1 ]
do
if [ $wl_numcllast -ne $wl_numclold ]
then
wl_numclold=$wl_numcllast
wcm_clear=1
fi
if [ $wcm_clear -eq 1 ]
then
clear
wcm_clear=0
fi
wl_numcllast=0
if [ $wcm_html -eq 1 ]
then
w_bw
echo $wl_header
for wl_iface in $wcm_ifc
do
w_iface
done
echo $wl_footer
else
tput cup 0 0
for wl_iface in $wcm_ifc
do
w_iface
done
fi
if [ $wcm_once -eq 1 ]
then
exit 0
fi
sleep 1
done
exit 0