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support password auth for ssh

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This commit is contained in:
jaffee 2017-01-13 14:27:31 -06:00
parent 6cdb8c2ed8
commit 96e97f2353
1 changed files with 16 additions and 7 deletions
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23
ssh/ssh.go
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@ -1,22 +1,24 @@
package ssh
import (
"errors"
"fmt"
"io"
"net"
"os"
"os/user"
"strings"
"errors"
"syscall"
"golang.org/x/crypto/ssh"
"golang.org/x/crypto/ssh/agent"
"golang.org/x/crypto/ssh/terminal"
)
type Client struct {
client *ssh.Client
Stderr io.Writer
client *ssh.Client
Stderr io.Writer
password string
}
// NewClient wraps up some of the complexity of using the crypto/ssh pacakge
@ -31,20 +33,27 @@ func NewClient(host, username, keyfile string, stderr io.Writer) (*Client, error
username = user.Username
}
var auth ssh.AuthMethod
var authkey ssh.AuthMethod
if keyfile == "" {
sshAgent, err := net.Dial("unix", os.Getenv("SSH_AUTH_SOCK"))
if err != nil {
return nil, err
}
auth = ssh.PublicKeysCallback(agent.NewClient(sshAgent).Signers)
authkey = ssh.PublicKeysCallback(agent.NewClient(sshAgent).Signers)
} else {
return nil, fmt.Errorf("using a keyfile is unimplemented")
}
authpw := ssh.PasswordCallback(func() (secret string, err error) {
fmt.Fprintf(stderr, "password for %v@%v: ", username, host)
pwbytes, err := terminal.ReadPassword(syscall.Stdin)
fmt.Fprintln(stderr)
return string(pwbytes), err
})
config := &ssh.ClientConfig{
User: username,
Auth: []ssh.AuthMethod{auth},
Auth: []ssh.AuthMethod{authkey, authpw},
}
if strings.Index(host, ":") == -1 {