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通过Hashicorp库签名密钥,认证
我已经签署了使用Hashicorp跳马我的公钥,并在~/.ssh/id_rsa-cert.pub
保存生成的certificiate它工作得很好,我可以做ssh -i ~/.ssh/id_rsa-cert.pub [email protected]
,它让我在SSH:无法使用转到
当我尝试在Go中实现时,我的问题就开始了。
这是我的代码:
package main
import (
"encoding/base64"
"fmt"
"golang.org/x/crypto/ssh"
"golang.org/x/crypto/ssh/agent"
"net"
"os"
)
func main() {
pubKey := "AAAAB3NzaC1yc2EAAAADAQABA..."
signedKey := "AAAAHHNzaC1yc2EtY2VydC..."
pubKeyBytes, err := base64.StdEncoding.DecodeString(pubKey)
if err != nil {
panic(err)
}
pk, err := ssh.ParsePublicKey(pubKeyBytes)
if err != nil {
panic(err)
}
fmt.Printf("%T\n", pk)
signedKeyBytes, err := base64.StdEncoding.DecodeString(signedKey)
if err != nil {
panic(err)
}
fmt.Printf("%T\n", pk)
sk, err := ssh.ParsePublicKey(signedKeyBytes)
if err != nil {
panic(err)
}
fmt.Printf("%T\n", sk)
conn, err := net.Dial("unix", os.Getenv("SSH_AUTH_SOCK"))
if err != nil {
panic(err)
}
sshAgent := agent.NewClient(conn)
signers, err := sshAgent.Signers()
if err != nil {
panic(err)
}
c := &ssh.Certificate{
Key: pk,
SignatureKey: sk,
}
signer, err := ssh.NewCertSigner(c, signers[0])
if err != nil {
panic(err)
}
auths := []ssh.AuthMethod{ssh.PublicKeys(signer)}
sshClient, err := ssh.Dial("tcp", "10.0.0.150:22", &ssh.ClientConfig{
User: "user1",
/*The signed key is signed against user2's public key, and should allow him to log in.
It works via command line; [email protected]: ssh -i id_rsa-cert.pub [email protected]*/
Auth: auths,
HostKeyCallback: ssh.InsecureIgnoreHostKey(),
})
fmt.Println(sshClient, err) /*This does not work*/
sshClient2, err := ssh.Dial("tcp", "10.0.0.150:22", &ssh.ClientConfig{
User: "user2",
/*User2 is allowed to connect with his basic keypair
[email protected]: ssh [email protected]*/
Auth: []ssh.AuthMethod{
ssh.PublicKeysCallback(sshAgent.Signers),
},
HostKeyCallback: ssh.InsecureIgnoreHostKey(),
})
fmt.Println(sshClient2, err) /*This works fine*/
}
的错误,我得到的是:从服务器
ssh: handshake failed: ssh: unable to authenticate, attempted methods [publickey none],
no supported methods remain
而且sshd的日志问题:
sshd[7149]: error: Unknown certificate type 0 sshd[7149]: error:
key_from_blob: can't parse cert data sshd[7149]: error:
userauth_pubkey: cannot decode key: [email protected]
我需要什么在这里做什么来获得这个工作?
显然使用了'ssh.InsecureIgnoreHostKey()',你当你的服务器要求使用ssh.InsecureIgnoreHostKey认证 –
的一种或至少一种方法,我的印象是无视键()会接受任何主机密钥?这是不正确的? –
Alex:您是否找到了解决问题的方案?我仍然有同样的问题,我很想有一个golang实现来授权签名密钥。 –