Expect 拷贝ssh公钥到远端机器，实现无key登录

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#
# Expect 拷贝ssh公钥到远端机器，实现无key登录
#
#
#   2010.04.46   V 1.1
#   by hu
#
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1. 一个主机列表 "host.list", 以行记录登录主机IP PWD

2. 一个被调用的expect脚本"key.exp"，用来实现非人工方式的拷贝公钥

3. 一个主shell脚本"ssh.sh"，用来实现轮询IP，去执行调用expect脚本

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#
#  host.list
#
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192.168.14.220        123abc
192.168.14.221        456def

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#
#   ssh.sh
#
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#!/bin/bash

for i in $(cat /root/host.list|cut -f1);do
        /root/key.exp $i $(cat /root/host.list|cut -f2)
done

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#
#   key.exp
#
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log_file /root/exp.log

# set env
set host [lindex $argv 0]
set name root
set password [lindex $argv 1]

# copy id_rsa.pub to remote
spawn scp /root/.ssh/id_rsa.pub $name@$host:/root/tmp
expect {
        "(yes/no)?" { send "yes\n"; exp_continue }
        "password:" { send "$password\n" }
}
expect "100%"
send "exit\n"

# ssh to doing
spawn ssh $name@$host
expect {
        "(yes/no)?" { send "yes\n"; exp_continue }
       "password:" { send "$password\n" }
}
expect "#"
send "mkdir /root/.ssh\n"
expect "#"
send "cat /root/tmp >> /root/.ssh/authorized_keys\n"
expect "#"
send "exit\n"