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auth_test.go
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155 lines (125 loc) · 4.19 KB
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package sshlib
import (
"crypto/rand"
"crypto/rsa"
"crypto/x509"
"encoding/pem"
"os"
"path/filepath"
"strings"
"testing"
"golang.org/x/crypto/ssh"
)
func TestControlPersistAuthResolvedFromPasswordAuthMethod(t *testing.T) {
authMethod := CreateAuthMethodPassword("secret")
resolved, err := (&ControlPersistAuth{AuthMethods: []ssh.AuthMethod{authMethod}}).resolved()
if err != nil {
t.Fatalf("resolved() error = %v", err)
}
if len(resolved) != 1 {
t.Fatalf("len(resolved) = %d, want %d", len(resolved), 1)
}
if resolved[0].Type != "password" {
t.Fatalf("resolved[0].Type = %q, want %q", resolved[0].Type, "password")
}
if resolved[0].Password != "secret" {
t.Fatalf("resolved[0].Password = %q, want %q", resolved[0].Password, "secret")
}
}
func TestControlPersistAuthResolvedFromAuthMethods(t *testing.T) {
authMethods := []ssh.AuthMethod{
CreateAuthMethodPassword("first"),
CreateAuthMethodPassword("second"),
}
resolved, err := (&ControlPersistAuth{AuthMethods: authMethods}).resolved()
if err != nil {
t.Fatalf("resolved() error = %v", err)
}
if len(resolved) != 2 {
t.Fatalf("len(resolved) = %d, want %d", len(resolved), 2)
}
if resolved[0].Password != "first" {
t.Fatalf("resolved[0].Password = %q, want %q", resolved[0].Password, "first")
}
if resolved[1].Password != "second" {
t.Fatalf("resolved[1].Password = %q, want %q", resolved[1].Password, "second")
}
}
func TestControlPersistAuthResolvedRejectsUnknownAuthMethod(t *testing.T) {
_, err := (&ControlPersistAuth{AuthMethods: []ssh.AuthMethod{ssh.Password("secret")}}).resolved()
if err == nil {
t.Fatal("resolved() error = nil, want error")
}
if !strings.Contains(err.Error(), "unsupported authMethod") {
t.Fatalf("resolved() error = %v, want unsupported authMethod", err)
}
}
func TestControlPersistAuthResolvedRejectsEmptyAuthMethods(t *testing.T) {
_, err := (&ControlPersistAuth{}).resolved()
if err == nil {
t.Fatal("resolved() error = nil, want error")
}
if !strings.Contains(err.Error(), "AuthMethods is required") {
t.Fatalf("resolved() error = %v, want AuthMethods is required", err)
}
}
func TestCreateControlPersistAuthMethodsRejectsUnsupportedType(t *testing.T) {
_, err := createControlPersistAuthMethods([]controlPersistAuthMethodDefinition{{Type: "unknown"}})
if err == nil {
t.Fatal("createControlPersistAuthMethods() error = nil, want error")
}
if !strings.Contains(err.Error(), "unsupported ControlPersistAuth type") {
t.Fatalf("createControlPersistAuthMethods() error = %v, want unsupported ControlPersistAuth type", err)
}
}
func TestCreateAuthMethodPublicKeyTransientMarksDefinition(t *testing.T) {
keyPath := writeTempPrivateKey(t)
authMethod, err := CreateAuthMethodPublicKeyTransient(keyPath, "")
if err != nil {
t.Fatalf("CreateAuthMethodPublicKeyTransient() error = %v", err)
}
resolved, err := (&ControlPersistAuth{AuthMethods: []ssh.AuthMethod{authMethod}}).resolved()
if err != nil {
t.Fatalf("resolved() error = %v", err)
}
if len(resolved) != 1 {
t.Fatalf("len(resolved) = %d, want 1", len(resolved))
}
if !resolved[0].Transient {
t.Fatal("resolved[0].Transient = false, want true")
}
}
func TestCreateControlPersistAuthMethodsRemovesTransientKeyFile(t *testing.T) {
keyPath := writeTempPrivateKey(t)
authMethods, err := createControlPersistAuthMethods([]controlPersistAuthMethodDefinition{{
Type: "publickey",
KeyPath: keyPath,
Transient: true,
}})
if err != nil {
t.Fatalf("createControlPersistAuthMethods() error = %v", err)
}
if len(authMethods) != 1 {
t.Fatalf("len(authMethods) = %d, want 1", len(authMethods))
}
if _, err := os.Stat(keyPath); !os.IsNotExist(err) {
t.Fatalf("transient key file still exists: stat err = %v", err)
}
}
func writeTempPrivateKey(t *testing.T) string {
t.Helper()
privateKey, err := rsa.GenerateKey(rand.Reader, 2048)
if err != nil {
t.Fatalf("rsa.GenerateKey() error = %v", err)
}
privateKeyPEM := pem.EncodeToMemory(&pem.Block{
Type: "RSA PRIVATE KEY",
Bytes: x509.MarshalPKCS1PrivateKey(privateKey),
})
dir := t.TempDir()
path := filepath.Join(dir, "id_rsa")
if err := os.WriteFile(path, privateKeyPEM, 0o600); err != nil {
t.Fatalf("os.WriteFile() error = %v", err)
}
return path
}