#!/bin/bash
# authors : Petr Simandl www.simandl.cz
# : Fyzik, Covex, Tydyt
# release date : 05/10/2003
# name : wifimon
# description : hostap powered wifi card monitoring
# license : GPL
wl_version="0.5.0"
PATH=$PATH:$HOME/bin:/bin:/sbin:/usr/bin:/usr/sbin:usr/local/bin:/usr/local/sbin
wl_iwccmd=`which iwconfig`
wl_ifccmd=`which ifconfig`
wl_hnmcmd=`which hostname`
wl_awkcmd=`which awk`
wl_tptcmde="[1;1H"
wl_clrcmde="[H[2J"
wl_hostap="/proc/net/hostap/"
wl_wireless="/proc/net/wireless"
wl_arp="/proc/net/arp"
wl_dhcpcnf="/etc/dhcpd.conf"
wl_dhcplss="/var/lib/dhcp/dhcpd.leases"
#testing all settings
if [ "$wl_iwccmd x" = " x" ]
then
echo "iwconfig not found"
exit 1
fi
if [ "$wl_ifccmd x" = " x" ]
then
echo "ifconfig not found"
exit 1
fi
if [ "$wl_hnmcmd x" = " x" ]
then
echo "hostname not found"
exit 1
fi
if [ "$wl_awkcmd x" = " x" ]
then
echo "awk not found"
exit 1
fi
if [ -d $wl_hostap ]
then
wl_nop=1
else
echo "hostap not found"
exit 1
fi
if [ -e $wl_wireless ]
then
wl_nop=1
else
echo "$wl_wireless not found"
exit 1
fi
if [ -e $wl_arp ]
then
wl_nop=1
else
echo "$wl_arp not found"
exit 1
fi
if [ -e $wl_dhcpcnf ]
then
wl_nop=1
else
echo "$wl_dhcpcnf not found"
wl_dhcpcnf="/dev/null"
fi
if [ -e $wl_dhcplss ]
then
wl_nop=1
else
echo "$wl_dhcplss not found"
wl_dhcplss="/dev/null"
fi
wl_header_refresh="Wifimon @ `$wl_hnmcmd`"
wl_header="Wifimon @ `$wl_hnmcmd`"
wl_footer="
"
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 : "
wlch_signal="="
wlch_noise="*"
######################################################################
w_col()
{
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
}
######################################################################
w_bw()
{
wlc_ip=""
wlc_mac=""
wlc_sig=""
wlc_bar=""
wlc_std=""
}
######################################################################
w_bar()
{
echo -n "${wlc_bar}"
wl_neg=`expr $wl_cnt \< 0 `
if [ "$wl_neg" -eq 1 ]
then
wl_cnt=$(($wl_cnt * -1 ))
wl_bar=$wlch_noise
else
wl_bar=$wlch_signal
fi
until [ "$wl_cnt" -eq -1 ]
do
echo -n "$wl_bar"
wl_cnt=$(($wl_cnt - 1 ))
done
printf " \n"
echo -n "${wlc_std}"
# tput sgr0
} # w_bar
######################################################################
w_pkts()
{
wl_macpkts=`cat $wl_hostap$wl_iface/$wl_mac | grep -E 'rx\[|tx\[' | sed 's/=/ /g'`
wl_nt1=`echo $wl_macpkts | $wl_awkcmd '{print $2}'`
wl_nt2=`echo $wl_macpkts | $wl_awkcmd '{print $4}'`
wl_nt5=`echo $wl_macpkts | $wl_awkcmd '{print $6}'`
wl_nt11=`echo $wl_macpkts | $wl_awkcmd '{print $8}'`
wl_nr1=`echo $wl_macpkts | $wl_awkcmd '{print $10}'`
wl_nr2=`echo $wl_macpkts | $wl_awkcmd '{print $12}'`
wl_nr5=`echo $wl_macpkts | $wl_awkcmd '{print $14}'`
wl_nr11=`echo $wl_macpkts | $wl_awkcmd '{print $16}'`
if [ $wcm_ppkts -eq 1 ]
then
wl_pksize=$((98))
wl_nt=$(($wl_nt1 + $wl_nt2 + wl_nt5 + wl_nt11))
if [ "$wl_nt1" -eq 0 ]
then
wl_nt1n="00"
else
wl_nt1n=$(($wl_pksize * $wl_nt1 / $wl_nt + 1))
[ "$wl_nt1n" -lt 10 ] && wl_nt1n="0"$wl_nt1n
fi
if [ "$wl_nt2" -eq 0 ]
then
wl_nt2n="00"
else
wl_nt2n=$(($wl_pksize * $wl_nt2 / $wl_nt + 1))
[ "$wl_nt2n" -lt 10 ] && wl_nt2n="0"$wl_nt2n
fi
if [ "$wl_nt5" -eq 0 ]
then
wl_nt5n="00"
else
wl_nt5n=$(($wl_pksize * $wl_nt5 / $wl_nt + 1))
[ "$wl_nt5n" -lt 10 ] && wl_nt5n="0"$wl_nt5n
fi
if [ "$wl_nt11" -eq 0 ]
then
wl_nt11n="00"
else
wl_nt11n=$(($wl_pksize * $wl_nt11 / $wl_nt + 1))
[ "$wl_nt11n" -lt 10 ] && wl_nt11n="0"$wl_nt11n
fi
wl_nr=$((1 + $wl_nr1 + $wl_nr2 + wl_nr5 + wl_nr11))
if [ "$wl_nr1" -eq 0 ]
then
wl_nr1n="00"
else
wl_nr1n=$(($wl_pksize * $wl_nr1 / $wl_nr + 1))
[ "$wl_nr1n" -lt 10 ] && wl_nr1n="0"$wl_nr1n
fi
if [ "$wl_nr2" -eq 0 ]
then
wl_nr2n="00"
else
wl_nr2n=$(($wl_pksize * $wl_nr2 / $wl_nr + 1))
[ "$wl_nr2n" -lt 10 ] && wl_nr2n="0"$wl_nr2n
fi
if [ "$wl_nr5" -eq 0 ]
then
wl_nr5n="00"
else
wl_nr5n=$(($wl_pksize * $wl_nr5 / $wl_nr + 1))
[ "$wl_nr5n" -lt 10 ] && wl_nr5n="0"$wl_nr5n
fi
if [ "$wl_nr11" -eq 0 ]
then
wl_nr11n="00"
else
wl_nr11n=$(($wl_pksize * $wl_nr11 / $wl_nr + 1))
[ "$wl_nr11n" -lt 10 ] && wl_nr11n="0"$wl_nr11n
fi
echo -n "Tx" $wl_nt1n $wl_nt2n $wl_nt5n $wl_nt11n "Rx" $wl_nr1n $wl_nr2n $wl_nr5n $wl_nr11n ""
fi
[ $wcm_pkts -eq 1 ] && echo -n "Tx" $wl_nt1 $wl_nt2 $wl_nt5 $wl_nt11 "Rx" $wl_nr1 $wl_nr2 $wl_nr5 $wl_nr11 ""
} # w_pkts
######################################################################
w_managed()
{ echo $wl_iwctxt | $wl_awkcmd '{print $1,$3,$4,$5" "}'
echo -n `$wl_ifccmd $wl_iface | grep -E "inet addr|inet adr" | $wl_awkcmd '{print $2" "}' | sed s/ad*r://g`" " # IP adresa mastera z ifconfig
echo $wl_iwctxt | $wl_awkcmd '{print $9,$6,$11" "}'
wl_wtxt=`cat $wl_wireless | grep $wl_iface | $wl_awkcmd '{print $3,$4,$5}' | sed 's/\.//g'`
wl_quality=`echo $wl_wtxt | $wl_awkcmd '{print $1}'`
wl_signal=`echo $wl_wtxt | $wl_awkcmd '{print $2}'`
wl_signal=$(($wl_signal - 256))
wl_noise=`echo $wl_wtxt | $wl_awkcmd '{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
echo
} # w_managed
######################################################################
w_master()
{ if [ $wcm_oneline -eq 0 ]
then
echo $wl_iwctxt | $wl_awkcmd '{print $1,$3,$4,$5" "}'
echo $wl_iwctxt | $wl_awkcmd '{print $6,$9,$11" "}'
else
echo $wl_iwctxt | $wl_awkcmd '{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' | sed 's/last_//g'`
wl_signal=`echo $wl_macparam | $wl_awkcmd '{print $5}' | sed 's/signal=//g'`
wl_silence=`echo $wl_macparam | $wl_awkcmd '{print $4}' | sed 's/silence=//g'`
wl_cnt=$(($wl_signal - $wl_silence))
wl_ipc=`cat $wl_arp | grep -i $wl_mac | $wl_awkcmd '{print $1}'` # IP adresa peeru z arp tabulky
wl_name=`cat $wl_dhcpcnf | grep -i $wl_mac | $wl_awkcmd '{print $2}'`
if [ "$wl_name" = "ethernet" ] || [ "$wl_name" = "" ]
then
wl_name=`cat $wl_dhcpcnf | grep -i $wl_mac -B 1 | $wl_awkcmd '{print$2,$3}' | grep -i $wl_mac -v | $wl_awkcmd '{print$1}'`
if [ "$wl_name" = "" ]
then
wl_name=`cat $wl_dhcplss | grep -i $wl_mac -A 2 | $wl_awkcmd '{print$2,$3}' | grep -i $wl_mac -v | $wl_awkcmd '{print$1}'`
wl_name=`echo $wl_name | $wl_awkcmd '{print$1}' `
fi
fi
if [ $wcm_ppkts -eq 1 ] || [ $wcm_pkts -eq 1 ]
then
w_pkts
fi
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 | $wl_awkcmd '{print $1,$2" "}'
w_bar
else
echo -n "$wl_name "
echo -n "${wlc_mac}$wl_mac${wlc_std} ${wlc_sig}$wl_cnt${wlc_std} "
w_bar
fi
done
echo
} # w_master
######################################################################
w_iface()
{ wl_iwctxt=`$wl_iwccmd $wl_iface 2>/dev/null | grep -v 'Device|Some|Extension' | sed 's/ Nick/_Nick/'`
wl_mode=`echo $wl_iwctxt | $wl_awkcmd '{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_version()
{
echo wifimon $wl_version
exit 0
}
######################################################################
w_help()
{
echo Pouziti: wifimon [param]
echo param:
echo -v vypise verzi
echo -html generovani html stranky
echo -col barevny vypis na obrazovku
echo -once vypsani jen jednoho vypisu a pak program skonci
echo -oneline vypsani klientu na jednu linku
echo -ppkts vypsani procentniho pomeru 1M, 2M, 5.5M a 11M paketu pro jednotlive klienty
echo -pkts vypsani poctu 1M, 2M, 5.5M a 11M paketu pro jednotlive klienty
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_ppkts=0
wcm_pkts=0
wcm_ifc=""
# parsing input parameters
while [ "a$1" != "a" ]
do
case $1 in
-v)
w_version
;;
-help)
w_help
;;
-once)
wcm_once=1
shift
;;
-oneline)
wcm_oneline=1
shift
;;
-col)
wcm_col=1
shift
;;
-html)
wcm_html=1
shift
;;
-ppkts)
wcm_ppkts=1
shift
;;
-pkts)
wcm_pkts=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
else
w_col
fi
if [ $wcm_html -eq 1 ]
then
w_bw
[ $wcm_once -eq 1 ] && echo $wl_header || echo $wl_header_refresh
for wl_iface in $wcm_ifc
do
w_iface
done
echo $wl_footer
exit 0
fi
#this is main loop and it will be executer forever
while [ 1 ]
do
# when the number of associated klients has changed we will set for clear screen
if [ $wl_numcllast -ne $wl_numclold ]
then
wl_numclold=$wl_numcllast
wcm_clear=1
fi
#if it is set for clear screen we will do it except we produce single report
if [ $wcm_clear -eq 1 -a $wcm_once -eq 0 ]
then
echo -n $wl_clrcmde
wcm_clear=0
fi
wl_numcllast=0
#for cyclic report we are trying to set cursor to the top left screen corner
if [ $wcm_once -eq 0 ]
then
echo -n $wl_tptcmde
fi
#make report for all desired interfaces
for wl_iface in $wcm_ifc
do
w_iface
done
#when a single report is needed than we are exiting
if [ $wcm_once -eq 1 ]
then
exit 0
fi
sleep 1
done
exit 0