回复：how could I use go.crypto/ssh implement ssh proxy function

[一生悬命]

 

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------------------ 原始邮件 ------------------

发件人: "liuyanglong2137";

发送时间: 2014年1月22日(星期三) 中午12:32

收件人: "golang-nuts";

抄送: "一生悬命";

主题: how could I use go.crypto/ssh implement ssh proxy function

My usage scenario is this:

    I have many A type server names as "A1","A2","A3", and one B type server , and have many 'C' type server names as "C1""C2""C3".

    when I ssh use openssh from A as command "ssh a...@B.com " or “ssh d...@B.com”, then the ssh will link to C1 or C2 through B. 

     Only use PublicKey/PrivateKey for SSh Cert Type 

     only B knows which "C" type server the "user" want to ssh, the relation is stored in B`s mysql. when "user" ssh to B server , the "SSh Proxy" will search the goal C type server , and the "user" will as a common new user "god" on C type servers.

so ,above is my requirement. And I want to use go.crypto/ssh to implement the "Proxy server" and this Proxy will install in B Server. So as a client in A type server , client will not notice this "Proxy server".  

   Thank you for help.