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→Eigenes IPK automatisch erzeugen lassen: +get_mac_from_random_node.sh
</pre>
</pre>
===get_mac_from_random_node.sh===
<pre>
</pre>#!/bin/sh
fkt_prepare () {
FFF_NET=10
FFF_CITY=63
STATUS_PAGE="/tmp/temp_status_page.txt"
}
fkt_calc_node_from_ip () { # SENS: calculate nodenumber from IP-address
# ARG1: ip-address
local IP="$1"
local OKT3="$(echo $IP | sed 's/[0-9]*\.[0-9]*\.\([0-9]*\)\.[0-9]*/\1/g')"
local OKT4="$(echo $IP | sed 's/[0-9]*\.[0-9]*\.[0-9]*\.\([0-9]*\)/\1/g')"
if [ -z "$(echo $IP | sed "/^$FFF_NET\.$FFF_CITY\./!d")" ]; then # ip is not from mesh e.g. 192.168.1.2
echo "0"
return
fi
if [ "$OKT4" -gt "-1" ] && [ "$OKT4" -lt "64" ]; then echo $OKT3
elif [ "$OKT4" -gt "63" ] && [ "$OKT4" -lt "128" ]; then echo $(( $OKT3 + 255))
elif [ "$OKT4" -gt "127" ] && [ "$OKT4" -lt "192" ]; then echo $(( $OKT3 + 510))
elif [ "$OKT4" -gt "191" ] && [ "$OKT4" -lt "256" ]; then echo $(( $OKT3 + 765))
fi
}
fkt_wget () {
local C=0 # counter (raising) for maximal seconds
local MAX=15 # maximal running time in seconds
local URL="$1"
local PID_WGET=""
local PID_LINE=""
local PID_LINE_NOW=""
wget -qO - "$URL" 2>/dev/null &
PID_WGET="$(pidof wget | sed 's/ /\n/g' | sed '$!d')" # list of all wget-pid's, insert newlines, print last line
PID_LINE="$(cat /proc/$PID_WGET/cmdline 2>/dev/null)" # exact line of ps-output
while [ -e "/proc/$PID_WGET" ]; do # wget-process in tasklist?
sleep 1
let C+=1
PID_LINE_NOW="$(cat /proc/$PID_WGET/cmdline 2>/dev/null)"
if [ $C -gt $MAX ]; then # maximal execution time reached
if [ "$PID_LINE" = "$PID_LINE_NOW" ] ; then # is this really the started process?
logger "wgetting \"$URL\" - killing pid $PID_WGET after $C seconds"
kill $PID_WGET 2>/dev/null >/dev/null
return
else # this is another process
logger "wgetting \"$URL\" - ready after $C seconds (\"$PID_LINE"\" != \"$PID_LINE_NOW"\")"
return
fi
fi
done
logger "wgetting \"$URL\" - ready after $C seconds"
}
fkt_get_random_node () {
local OLSR_INFO="wget -qO - http://127.0.0.1:2006"
local OLSR_TOPO="sed -e '/./{H;$!d;}' -e 'x;/Table: Topology/!d;'"
local OLSR_NODE="sed -e '/^[0-9]/!d' -e 's/^\([0-9.]*\) *.*/\1/g'"
local ALL_NODES="$( $OLSR_INFO | sed -e '/./{H;$!d;}' -e 'x;/Table: Topology/!d;' | sed -e '/^[0-9]/!d' -e 's/^\([0-9.]*\) *.*/\1\n/g' | sort | uniq )"
local COUNT_ALL="$( echo -en "$ALL_NODES" | wc -l )"
local RAND_SEED="$( dd if=/dev/urandom bs=2 count=1 2>&- | hexdump | if read line; then echo 0x${line#* }; fi )"
local RAND_NUMB="$(( $RAND_SEED % $COUNT_ALL ))"
RAND_NODE="$( echo -en "$ALL_NODES" | sed "${RAND_NUMB}q;d" )" # IP-address from random node
RAND_NODE_ESCAPED="$( echo "$RAND_NODE" | sed 's/\./\\./g' )"
test -z "$RAND_NODE" && fkt_get_random_node # maybe not necessary
}
fkt_get_status () {
fkt_wget "http://$IP/cgi-bin-status.html" >$STATUS_PAGE 2>/dev/null
local MAC="$(sed -e '/^MAC/!d' -e 's/^MAC: \(.*\)<\/TD>/\1/g' $STATUS_PAGE)"
local TYP="$(sed -e '/^<TD>Boardtype:/!d' -e 's/^<TD>Boardtype: \(.*\), Boardnum: \(.*\)<\/TD>/\1-\2/g' $STATUS_PAGE)"
local DEF="$(sed -e '/^<TD>default via/!d' -e 's/.*html">\(.*\)<\/A>.*/\1/g' $STATUS_PAGE)"
local FFF="$(sed '/.*[0-9]\.[0-9]\.[0-9]*<\/TD>/!d;s/.*\([0-9]\.[0-9]\.[0-9]*\)<\/TD>/\1/g;q' $STATUS_PAGE)"
if [ "$(echo $MAC | sed 's/..:..:..:..:..:../ok/g')" != "ok" ]; then
if [ "$OLD_MAC" != "00:00:00:00:00:00" ]; then # old mac already in database
NEW_MAC="$OLD_MAC"
else
NEW_MAC="00:00:00:00:00:00" # standard-value
fi
else
NEW_MAC="$MAC"
fi
if [ -z "$TYP" ]; then
if [ "$OLD_TYP" != "router" ]; then
NEW_TYP="$OLD_TYP"
else
NEW_TYP="router"
fi
else
if [ "$(fkt_calc_node_from_ip "$TYP")" = "0" ] || [ "$(fkt_calc_node_from_ip "$TYP")" = "$(fkt_calc_node_from_ip "$IP")" ]; then
NEW_TYP="INTERNET"
else
NEW_TYP="$TYP"
fi
fi
if [ -z "$DEF" ]; then
if [ "$OLD_DEF" != "gateway" ]; then
NEW_DEF="$OLD_DEF"
else
NEW_DEF="gateway"
fi
else
NEW_DEF="$DEF"
fi
if [ -z "$FFF" ]; then
if [ "$OLD_FFF" != "0.1.2" ]; then
NEW_FFF="$OLD_FFF"
else
NEW_FFF="0.1.2"
fi
else
NEW_FFF="$FFF"
fi
rm $STATUS_PAGE
}
case $1 in
start)
fkt_prepare
fkt_get_random_node
IP=$RAND_NODE
fkt_get_status
test -z "$NEW_MAC" && NEW_MAC="00:00:00:00:00:00"
echo "$( fkt_calc_node_from_ip $IP) $NEW_MAC"
;;
*)
echo "Usage: $0 start"
;;
esac
===NVRAM klaeren und saeubern / aus CFE wiederherstellen ohne Reboot===
===NVRAM klaeren und saeubern / aus CFE wiederherstellen ohne Reboot===