1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
|
package null
import (
"fmt"
"github.com/mitchellh/multistep"
"github.com/mitchellh/packer/communicator/ssh"
gossh "golang.org/x/crypto/ssh"
"io/ioutil"
)
func CommHost(host string) func(multistep.StateBag) (string, error) {
return func(state multistep.StateBag) (string, error) {
return host, nil
}
}
// SSHConfig returns a function that can be used for the SSH communicator
// config for connecting to the specified host via SSH
// private_key_file has precedence over password!
func SSHConfig(username string, password string, privateKeyFile string) func(multistep.StateBag) (*gossh.ClientConfig, error) {
return func(state multistep.StateBag) (*gossh.ClientConfig, error) {
if privateKeyFile != "" {
// key based auth
bytes, err := ioutil.ReadFile(privateKeyFile)
if err != nil {
return nil, fmt.Errorf("Error setting up SSH config: %s", err)
}
privateKey := string(bytes)
signer, err := gossh.ParsePrivateKey([]byte(privateKey))
if err != nil {
return nil, fmt.Errorf("Error setting up SSH config: %s", err)
}
return &gossh.ClientConfig{
User: username,
Auth: []gossh.AuthMethod{
gossh.PublicKeys(signer),
},
}, nil
} else {
// password based auth
return &gossh.ClientConfig{
User: username,
Auth: []gossh.AuthMethod{
gossh.Password(password),
gossh.KeyboardInteractive(
ssh.PasswordKeyboardInteractive(password)),
},
HostKeyCallback: gossh.InsecureIgnoreHostKey(),
}, nil
}
}
}
|
