packer-cn/communicator/ssh/keyboard_interactive.go

34 lines
768 B
Go

package ssh
import (
"io"
"log"
"golang.org/x/crypto/ssh"
"golang.org/x/crypto/ssh/terminal"
)
func KeyboardInteractive(c io.ReadWriter) ssh.KeyboardInteractiveChallenge {
t := terminal.NewTerminal(c, "")
return func(user, instruction string, questions []string, echos []bool) ([]string, error) {
if len(questions) == 0 {
return []string{}, nil
}
log.Printf("[INFO] -- User: %s", user)
log.Printf("[INFO] -- Instructions: %s", instruction)
for i, question := range questions {
log.Printf("[INFO] -- Question %d: %s", i+1, question)
}
answers := make([]string, len(questions))
for i := range questions {
s, err := t.ReadPassword("")
if err != nil {
return nil, err
}
answers[i] = string(s)
}
return answers, nil
}
}