linux telnet自动登录实用举例

[root@localhost ~]# cat ROUTER
[cc lang="bash"]
#!/bin/bash
tmptty=`tty`
tmptty=`basename $tmptty`
tmpname=`whoami`
echo -n "Enter IP:"
read ipa
ip="ROUTERIP"
inp1="admin"
inp2="password
inp3="show arp | include $ipa"
inp4="exit"
inputfile=in
outputfile=out.log
rm -fr $inputfile
rm -fr $outputfile
mknod $inputfile p
touch $outputfile
exec 7<>$outputfile
exec 8<>$inputfile
telnet $ip< >&7 &
sleep 2;echo $inp1>>$inputfile
sleep 2;echo $inp2>>$inputfile
sleep 2;echo $inp3>>$inputfile
sleep 2;echo $inp4>>$inputfile
tail -f $outputfile &
while true
do
read str
if [[ $str = "quit" || $str = "exit" ]]
then echo $str >> $inputfile exit
else echo $str >> $inputfile
fi
done
#kill -2 $!
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[root@localhost ~]# cat OLT
[cc lang="bash"]
#!/bin/bash
tmptty=`tty`
tmptty=`basename $tmptty`
tmpname=`whoami`
echo -n "Enter MAC:"
read mac
ip="OLTIP"
inp1="admin"
inp2="password"
inp3="show mac $mac"
inp4="exit"
inputfile=in
outputfile=out.log
rm -fr $inputfile
rm -fr $outputfile
mknod $inputfile p
touch $outputfile
exec 7<>$outputfile
exec 8<>$inputfile
telnet $ip< >&7 &
sleep 2;echo $inp1>>$inputfile
sleep 2;echo $inp2>>$inputfile
sleep 2;echo $inp3>>$inputfile
sleep 2;echo $inp4>>$inputfile
tail -f $outputfile &
while true
do
read str
if [[ $str = "quit" || $str = "exit" ]]
then echo $str >> $inputfile exit
else echo $str >> $inputfile
fi
done
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[root@localhost ~]# cat trp
[cc lang="bash"]
#!/bin/bash
a=$[14*(`cat out.log | grep epon-onu | gawk '{print $4}' | sed '2,$d' | sed 's/\(.*\)1\/1\///' | sed
's/:\(.*\)//'`-1)+`cat out.log | grep epon-onu | gawk '{print $4}' |sed '2,$d' |sed 's/\(.*\)://'`]
b=$[112+14*(`cat out.log | grep epon-onu | gawk '{print $4}' | sed '2,$d' | sed 's/\(.*\)1\/2\///' |
sed 's/:\(.*\)//'`-1)+`cat out.log | grep epon-onu | gawk '{print $4}' |sed '2,$d' |sed 's/\(.*\):/
/'`]
if [ $a -lt 112 ] && [ $a -gt 0 ]
then
echo "telnet 192.168.10.$a"
telnet 192.168.10.$a
else
echo "telnet 192.168.10.$b"
telnet 192.168.10.$b
fi
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