1)使用expect命令在shell脚本中实现的简单登陆
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#!/bin/bash
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#!/usr/bin/expect -f
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if [ $# != 3 ];then
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echo "Usage: cmd [host] [user] [passwd]"
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fi
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host=$1
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user=$2
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password=$3
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echo
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echo $user@$host
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echo
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# eof {exit 0}
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auto_ssh_copy_id ()
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{
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expect -c "set timeout -1;
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spawn ssh $2;
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expect
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{
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"*yes/no" {send "yes\r"; exp_continue}
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"*password:" {send "$1\r"}
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};
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interact
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"
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}
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#auto_ssh_copy_id $password $user@$host
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set ip [lindex $argv 0 ]
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set password [lindex $argv 1 ]
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set timeout 10
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spawn ssh root@$ip
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expect {
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"*yes/no" { send "yes\r"; exp_continue}
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"*password:" { send "$password\r" }
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}
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interact
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exit 0
2)expect脚本简单使用(*.exp 脚本)
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#!/usr/bin/expect -f
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set ip 192.168.2.101
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set password "321"
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spawn ssh root@$ip
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expect {
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"*yes/no" {send "yes\r"; exp_continue}
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"*password:" {send "$password\r" }
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}
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expect "#*"
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send "passwd\r"
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expect {
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"Enter*" { send "123\r"; exp_continue}
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"Retype*" { send "123\r"; exp_continue}
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}
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send "exit\r"
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expect eof
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exit
3)自动登陆shell代码段
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……
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auto_ssh_login ()
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{
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expect -c "
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set timeout 5
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spawn sshpass -p $2 ssh -o StrictHostKeyChecking=no -p 39000 root@$1
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send "passwd\\r"
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expect {
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Enter* {send -- $3\r; exp_continue}
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Retype* {send -- $3\r; exp_continue}
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}
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send "exit\\r"
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expect eof
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"
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}
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……
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