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Expect: Difference between revisions

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Revision as of 23:35, 16 July 2017

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m (Protected "Expect" ([Edit=Allow only logged in users] (indefinite) [Move=Allow only logged in users] (indefinite) [Delete=Allow only logged in users] (indefinite)))
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<br />
 
= Basics =
 
Installing Expect
=Expect script to ARP Ping=▼
<pre>#!/usr/bin/ sudo apt-get install expect
 
{{UC}}
 
= Scripts =
 
▲=;Expect script to ARP Ping=
 
<pre>
#!/usr/bin/expect
set timeout 20
spawn telnet 192.200.200.201
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send "0\r"
exit
</pre>
 
Cron Entry
### 0 * * * * /home/ibm/Desktop/expect 2>&1 >> /home/ibm/Desktop/script_output.log</pre>
 
=;Expect script to backup Netscaler config=
 
<pre>
#!/usr/bin/expect
## Need to install "Expect" by below command
## sudo apt-get install expect
##
spawn ssh nsroot@10.107.88.78
expect "Password:"
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send "^C\r"
exit
</pre>
 
 
 
=;TCP three-way handshake by hand using expect=▼
 
▲=TCP three-way handshake by hand using expect=
<pre>
# Some usefulUseful constants
set SYN 0x02
set RST 0x04
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set window 4096
 
# We'll useUse a ghost IP. Make sure $myip is not being used...
set myip 10.10.10.123
set mymac [random mac]
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}
 
# We're doneDone with the 3-way handshake. If we want to send more stuffpackets
# we need to use correct sequence numbers. Our sequence number is
# $tcp(ack) and the server's is $tcp(seq) + 1.
#
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