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Merge pull request #20350 from holiman/puppeth_ssh

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cmd/puppeth: make ssh prompt more user-friendly
This commit is contained in:
Péter Szilágyi 2019-11-21 15:08:10 +02:00 committed by GitHub
commit f56f969dd3
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 14 additions and 9 deletions
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23
cmd/puppeth/ssh.go
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@ -129,15 +129,20 @@ func dial(server string, pubkey []byte) (*sshClient, error) {
fmt.Printf("SSH key fingerprint is %s [MD5]\n", ssh.FingerprintLegacyMD5(key)) fmt.Printf("SSH key fingerprint is %s [MD5]\n", ssh.FingerprintLegacyMD5(key))
fmt.Printf("Are you sure you want to continue connecting (yes/no)? ") fmt.Printf("Are you sure you want to continue connecting (yes/no)? ")
text, err := bufio.NewReader(os.Stdin).ReadString('\n') for {
switch { text, err := bufio.NewReader(os.Stdin).ReadString('\n')
case err != nil: switch {
return err case err != nil:
case strings.TrimSpace(text) == "yes": return err
pubkey = key.Marshal() case strings.TrimSpace(text) == "yes":
return nil pubkey = key.Marshal()
default: return nil
return fmt.Errorf("unknown auth choice: %v", text) case strings.TrimSpace(text) == "no":
return errors.New("users says no")
default:
fmt.Println("Please answer 'yes' or 'no'")
continue
}
} }
} }
// If a public key exists for this SSH server, check that it matches // If a public key exists for this SSH server, check that it matches