如何使从文件的ssh-添加读取密码？ [英] How to make ssh-add read passphrase from a file?

问题描述

我想在的ssh-agent添加关键，并希望 SSH-添加使用从文件中读取密码。如何其可能的？

I am trying to add key in ssh-agent and want ssh-add read password from the file using. How its possible?

我怎么这个过程从shell脚本自动化？

How do I automate this process from the shell script?

推荐答案

根据您的分布和版本SSH-添加您可能能够或不使用 -p SSH-ADD的选项，以这种方式从标准输入读取密码：

Depending on your distribution and on the version of ssh-add you may be able or not to use the -p option of ssh-add that reads the passphrase from stdin in this way:

cat passfile | ssh-add -p keyfile

如果这不是工作，就可以使用期待，一个Unix工具使交互式应用非交互式。你必须从你的包管理器进行安装。

If this is not working you can use Expect, a Unix tool to make interactive applications non-interactive. You'll have to install it from your package manager.

在期待我写你的工具。在一个名为文件的 SSH-添加通的内容只需复制并在其上设置可执行权限（搭配chmod + X SSH-添加通）。你也可以把它复制到/ usr / bin中或/ usr / local / bin目录是从$ PATH搜索访问。

I have written a tool for you in expect. Just copy the content in a file named ssh-add-pass and set executable permissions on it (chmod +x ssh-add-pass). You can also copy it to /usr/bin or /usr/local/bin to be accessible from the $PATH search.

#!/bin/bash

if [ $# -ne 2 ] ; then
  echo "Usage: ssh-add-pass keyfile passfile"
  exit 1
fi

eval $(ssh-agent)
pass=$(cat $2)

expect << EOF
  spawn ssh-add $1
  expect "Enter passphrase"
  send "$pass\r"
  expect eof
EOF

用法很简单： SSH-加通密钥文件密码文件

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