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			428 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			428 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
| // Copyright 2015 Light Code Labs, LLC
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| //
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| // Licensed under the Apache License, Version 2.0 (the "License");
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| // you may not use this file except in compliance with the License.
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| // You may obtain a copy of the License at
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| //
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| //     http://www.apache.org/licenses/LICENSE-2.0
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| //
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| // Unless required by applicable law or agreed to in writing, software
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| // distributed under the License is distributed on an "AS IS" BASIS,
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| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| // See the License for the specific language governing permissions and
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| // limitations under the License.
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| 
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| package caddytls
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| 
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| import (
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| 	"crypto/tls"
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| 	"io/ioutil"
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| 	"log"
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| 	"os"
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| 	"testing"
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| 
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| 	"github.com/mholt/caddy"
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| 	"github.com/xenolf/lego/acme"
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| )
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| 
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| func TestMain(m *testing.M) {
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| 	// Write test certificates to disk before tests, and clean up
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| 	// when we're done.
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| 	err := ioutil.WriteFile(certFile, testCert, 0644)
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| 	if err != nil {
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| 		log.Fatal(err)
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| 	}
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| 	err = ioutil.WriteFile(keyFile, testKey, 0644)
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| 	if err != nil {
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| 		os.Remove(certFile)
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| 		log.Fatal(err)
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| 	}
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| 
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| 	result := m.Run()
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| 
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| 	os.Remove(certFile)
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| 	os.Remove(keyFile)
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| 	os.Exit(result)
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| }
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| 
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| func TestSetupParseBasic(t *testing.T) {
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| 	cfg := new(Config)
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| 	RegisterConfigGetter("", func(c *caddy.Controller) *Config { return cfg })
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| 	c := caddy.NewTestController("", `tls `+certFile+` `+keyFile+``)
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| 
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| 	err := setupTLS(c)
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| 	if err != nil {
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| 		t.Errorf("Expected no errors, got: %v", err)
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| 	}
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| 
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| 	// Basic checks
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| 	if !cfg.Manual {
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| 		t.Error("Expected TLS Manual=true, but was false")
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| 	}
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| 	if !cfg.Enabled {
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| 		t.Error("Expected TLS Enabled=true, but was false")
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| 	}
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| 
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| 	// Security defaults
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| 	if cfg.ProtocolMinVersion != tls.VersionTLS11 {
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| 		t.Errorf("Expected 'tls1.1 (0x0302)' as ProtocolMinVersion, got %#v", cfg.ProtocolMinVersion)
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| 	}
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| 	if cfg.ProtocolMaxVersion != tls.VersionTLS12 {
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| 		t.Errorf("Expected 'tls1.2 (0x0303)' as ProtocolMaxVersion, got %v", cfg.ProtocolMaxVersion)
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| 	}
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| 
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| 	// Cipher checks
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| 	expectedCiphers := append([]uint16{tls.TLS_FALLBACK_SCSV}, getPreferredDefaultCiphers()...)
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| 
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| 	// Ensure count is correct (plus one for TLS_FALLBACK_SCSV)
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| 	if len(cfg.Ciphers) != len(expectedCiphers) {
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| 		t.Errorf("Expected %v Ciphers (including TLS_FALLBACK_SCSV), got %v",
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| 			len(expectedCiphers), len(cfg.Ciphers))
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| 	}
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| 
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| 	// Ensure ordering is correct
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| 	for i, actual := range cfg.Ciphers {
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| 		if actual != expectedCiphers[i] {
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| 			t.Errorf("Expected cipher in position %d to be %0x, got %0x", i, expectedCiphers[i], actual)
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| 		}
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| 	}
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| 
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| 	if !cfg.PreferServerCipherSuites {
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| 		t.Error("Expected PreferServerCipherSuites = true, but was false")
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| 	}
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| 
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| 	if len(cfg.ALPN) != 0 {
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| 		t.Error("Expected ALPN empty by default")
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| 	}
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| 
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| 	// Ensure curve count is correct
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| 	if len(cfg.CurvePreferences) != len(defaultCurves) {
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| 		t.Errorf("Expected %v Curves, got %v", len(defaultCurves), len(cfg.CurvePreferences))
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| 	}
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| 
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| 	// Ensure curve ordering is correct
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| 	for i, actual := range cfg.CurvePreferences {
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| 		if actual != defaultCurves[i] {
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| 			t.Errorf("Expected curve in position %d to be %0x, got %0x", i, defaultCurves[i], actual)
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| 		}
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| 	}
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| }
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| 
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| func TestSetupParseIncompleteParams(t *testing.T) {
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| 	// Using tls without args is an error because it's unnecessary.
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| 	c := caddy.NewTestController("", `tls`)
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| 	err := setupTLS(c)
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| 	if err == nil {
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| 		t.Error("Expected an error, but didn't get one")
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| 	}
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| }
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| 
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| func TestSetupParseWithOptionalParams(t *testing.T) {
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| 	params := `tls ` + certFile + ` ` + keyFile + ` {
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|             protocols tls1.0 tls1.2
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|             ciphers RSA-AES256-CBC-SHA ECDHE-RSA-AES128-GCM-SHA256 ECDHE-ECDSA-AES256-GCM-SHA384
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|             must_staple
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|             alpn http/1.1
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|         }`
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| 	cfg := new(Config)
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| 	RegisterConfigGetter("", func(c *caddy.Controller) *Config { return cfg })
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| 	c := caddy.NewTestController("", params)
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| 
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| 	err := setupTLS(c)
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| 	if err != nil {
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| 		t.Errorf("Expected no errors, got: %v", err)
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| 	}
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| 
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| 	if cfg.ProtocolMinVersion != tls.VersionTLS10 {
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| 		t.Errorf("Expected 'tls1.0 (0x0301)' as ProtocolMinVersion, got %#v", cfg.ProtocolMinVersion)
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| 	}
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| 
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| 	if cfg.ProtocolMaxVersion != tls.VersionTLS12 {
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| 		t.Errorf("Expected 'tls1.2 (0x0303)' as ProtocolMaxVersion, got %#v", cfg.ProtocolMaxVersion)
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| 	}
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| 
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| 	if len(cfg.Ciphers)-1 != 3 {
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| 		t.Errorf("Expected 3 Ciphers (not including TLS_FALLBACK_SCSV), got %v", len(cfg.Ciphers)-1)
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| 	}
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| 
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| 	if !cfg.MustStaple {
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| 		t.Error("Expected must staple to be true")
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| 	}
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| 
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| 	if len(cfg.ALPN) != 1 || cfg.ALPN[0] != "http/1.1" {
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| 		t.Errorf("Expected ALPN to contain only 'http/1.1' but got: %v", cfg.ALPN)
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| 	}
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| }
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| 
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| func TestSetupDefaultWithOptionalParams(t *testing.T) {
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| 	params := `tls {
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|             ciphers RSA-3DES-EDE-CBC-SHA
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|         }`
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| 	cfg := new(Config)
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| 	RegisterConfigGetter("", func(c *caddy.Controller) *Config { return cfg })
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| 	c := caddy.NewTestController("", params)
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| 
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| 	err := setupTLS(c)
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| 	if err != nil {
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| 		t.Errorf("Expected no errors, got: %v", err)
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| 	}
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| 	if len(cfg.Ciphers)-1 != 1 {
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| 		t.Errorf("Expected 1 ciphers (not including TLS_FALLBACK_SCSV), got %v", len(cfg.Ciphers)-1)
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| 	}
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| }
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| 
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| func TestSetupParseWithWrongOptionalParams(t *testing.T) {
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| 	// Test protocols wrong params
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| 	params := `tls ` + certFile + ` ` + keyFile + ` {
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| 			protocols ssl tls
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| 		}`
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| 	cfg := new(Config)
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| 	RegisterConfigGetter("", func(c *caddy.Controller) *Config { return cfg })
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| 	c := caddy.NewTestController("", params)
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| 	err := setupTLS(c)
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| 	if err == nil {
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| 		t.Errorf("Expected errors, but no error returned")
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| 	}
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| 
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| 	// Test ciphers wrong params
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| 	params = `tls ` + certFile + ` ` + keyFile + ` {
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| 			ciphers not-valid-cipher
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| 		}`
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| 	cfg = new(Config)
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| 	RegisterConfigGetter("", func(c *caddy.Controller) *Config { return cfg })
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| 	c = caddy.NewTestController("", params)
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| 	err = setupTLS(c)
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| 	if err == nil {
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| 		t.Error("Expected errors, but no error returned")
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| 	}
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| 
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| 	// Test key_type wrong params
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| 	params = `tls {
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| 			key_type ab123
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| 		}`
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| 	cfg = new(Config)
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| 	RegisterConfigGetter("", func(c *caddy.Controller) *Config { return cfg })
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| 	c = caddy.NewTestController("", params)
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| 	err = setupTLS(c)
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| 	if err == nil {
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| 		t.Error("Expected errors, but no error returned")
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| 	}
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| 
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| 	// Test curves wrong params
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| 	params = `tls {
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| 			curves ab123, cd456, ef789
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| 		}`
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| 	cfg = new(Config)
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| 	RegisterConfigGetter("", func(c *caddy.Controller) *Config { return cfg })
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| 	c = caddy.NewTestController("", params)
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| 	err = setupTLS(c)
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| 	if err == nil {
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| 		t.Error("Expected errors, but no error returned")
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| 	}
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| }
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| 
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| func TestSetupParseWithClientAuth(t *testing.T) {
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| 	// Test missing client cert file
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| 	params := `tls ` + certFile + ` ` + keyFile + ` {
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| 			clients
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| 		}`
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| 	cfg := new(Config)
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| 	RegisterConfigGetter("", func(c *caddy.Controller) *Config { return cfg })
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| 	c := caddy.NewTestController("", params)
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| 	err := setupTLS(c)
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| 	if err == nil {
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| 		t.Error("Expected an error, but no error returned")
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| 	}
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| 
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| 	noCAs, twoCAs := []string{}, []string{"client_ca.crt", "client2_ca.crt"}
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| 	for caseNumber, caseData := range []struct {
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| 		params         string
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| 		clientAuthType tls.ClientAuthType
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| 		expectedErr    bool
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| 		expectedCAs    []string
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| 	}{
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| 		{"", tls.NoClientCert, false, noCAs},
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| 		{`tls ` + certFile + ` ` + keyFile + ` {
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| 			clients client_ca.crt client2_ca.crt
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| 		}`, tls.RequireAndVerifyClientCert, false, twoCAs},
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| 		// now come modifier
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| 		{`tls ` + certFile + ` ` + keyFile + ` {
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| 			clients request
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| 		}`, tls.RequestClientCert, false, noCAs},
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| 		{`tls ` + certFile + ` ` + keyFile + ` {
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| 			clients require
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| 		}`, tls.RequireAnyClientCert, false, noCAs},
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| 		{`tls ` + certFile + ` ` + keyFile + ` {
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| 			clients verify_if_given client_ca.crt client2_ca.crt
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| 		}`, tls.VerifyClientCertIfGiven, false, twoCAs},
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| 		{`tls ` + certFile + ` ` + keyFile + ` {
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| 			clients verify_if_given
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| 		}`, tls.VerifyClientCertIfGiven, true, noCAs},
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| 	} {
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| 		cfg := new(Config)
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| 		RegisterConfigGetter("", func(c *caddy.Controller) *Config { return cfg })
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| 		c := caddy.NewTestController("", caseData.params)
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| 		err := setupTLS(c)
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| 		if caseData.expectedErr {
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| 			if err == nil {
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| 				t.Errorf("In case %d: Expected an error, got: %v", caseNumber, err)
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| 			}
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| 			continue
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| 		}
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| 		if err != nil {
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| 			t.Errorf("In case %d: Expected no errors, got: %v", caseNumber, err)
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| 		}
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| 
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| 		if caseData.clientAuthType != cfg.ClientAuth {
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| 			t.Errorf("In case %d: Expected TLS client auth type %v, got: %v",
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| 				caseNumber, caseData.clientAuthType, cfg.ClientAuth)
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| 		}
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| 
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| 		if count := len(cfg.ClientCerts); count < len(caseData.expectedCAs) {
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| 			t.Fatalf("In case %d: Expected %d client certs, had %d", caseNumber, len(caseData.expectedCAs), count)
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| 		}
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| 
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| 		for idx, expected := range caseData.expectedCAs {
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| 			if actual := cfg.ClientCerts[idx]; actual != expected {
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| 				t.Errorf("In case %d: Expected %dth client cert file to be '%s', but was '%s'",
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| 					caseNumber, idx, expected, actual)
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| 			}
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| 		}
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| 	}
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| }
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| 
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| func TestSetupParseWithCAUrl(t *testing.T) {
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| 	testURL := "https://acme-staging.api.letsencrypt.org/directory"
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| 	for caseNumber, caseData := range []struct {
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| 		params        string
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| 		expectedErr   bool
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| 		expectedCAUrl string
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| 	}{
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| 		// Test working case
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| 		{`tls {
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| 				ca ` + testURL + `
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| 			}`, false, testURL},
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| 		// Test too few args
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| 		{`tls {
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| 				ca
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| 			}`, true, ""},
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| 		// Test too many args
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| 		{`tls {
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| 				ca 1 2
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| 			}`, true, ""},
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| 	} {
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| 		cfg := new(Config)
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| 		RegisterConfigGetter("", func(c *caddy.Controller) *Config { return cfg })
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| 		c := caddy.NewTestController("", caseData.params)
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| 		err := setupTLS(c)
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| 		if caseData.expectedErr {
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| 			if err == nil {
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| 				t.Errorf("In case %d: Expected an error, got: %v", caseNumber, err)
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| 			}
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| 			continue
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| 		}
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| 		if err != nil {
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| 			t.Errorf("In case %d: Expected no errors, got: %v", caseNumber, err)
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| 		}
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| 
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| 		if cfg.CAUrl != caseData.expectedCAUrl {
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| 			t.Errorf("Expected '%v' as CAUrl, got %#v", caseData.expectedCAUrl, cfg.CAUrl)
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| 		}
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| 	}
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| }
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| 
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| func TestSetupParseWithKeyType(t *testing.T) {
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| 	params := `tls {
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|             key_type p384
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|         }`
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| 	cfg := new(Config)
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| 	RegisterConfigGetter("", func(c *caddy.Controller) *Config { return cfg })
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| 	c := caddy.NewTestController("", params)
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| 
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| 	err := setupTLS(c)
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| 	if err != nil {
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| 		t.Errorf("Expected no errors, got: %v", err)
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| 	}
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| 
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| 	if cfg.KeyType != acme.EC384 {
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| 		t.Errorf("Expected 'P384' as KeyType, got %#v", cfg.KeyType)
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| 	}
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| }
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| 
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| func TestSetupParseWithCurves(t *testing.T) {
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| 	params := `tls {
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|             curves x25519 p256 p384 p521
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|         }`
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| 	cfg := new(Config)
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| 	RegisterConfigGetter("", func(c *caddy.Controller) *Config { return cfg })
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| 	c := caddy.NewTestController("", params)
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| 
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| 	err := setupTLS(c)
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| 	if err != nil {
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| 		t.Errorf("Expected no errors, got: %v", err)
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| 	}
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| 
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| 	if len(cfg.CurvePreferences) != 4 {
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| 		t.Errorf("Expected 4 curves, got %v", len(cfg.CurvePreferences))
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| 	}
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| 
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| 	expectedCurves := []tls.CurveID{tls.X25519, tls.CurveP256, tls.CurveP384, tls.CurveP521}
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| 
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| 	// Ensure ordering is correct
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| 	for i, actual := range cfg.CurvePreferences {
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| 		if actual != expectedCurves[i] {
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| 			t.Errorf("Expected curve in position %d to be %v, got %v", i, expectedCurves[i], actual)
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| 		}
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| 	}
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| }
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| 
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| func TestSetupParseWithOneTLSProtocol(t *testing.T) {
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| 	params := `tls {
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|             protocols tls1.2
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|         }`
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| 	cfg := new(Config)
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| 	RegisterConfigGetter("", func(c *caddy.Controller) *Config { return cfg })
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| 	c := caddy.NewTestController("", params)
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| 
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| 	err := setupTLS(c)
 | |
| 	if err != nil {
 | |
| 		t.Errorf("Expected no errors, got: %v", err)
 | |
| 	}
 | |
| 
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| 	if cfg.ProtocolMinVersion != cfg.ProtocolMaxVersion {
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| 		t.Errorf("Expected ProtocolMinVersion to be the same as ProtocolMaxVersion")
 | |
| 	}
 | |
| 
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| 	if cfg.ProtocolMinVersion != tls.VersionTLS12 && cfg.ProtocolMaxVersion != tls.VersionTLS12 {
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| 		t.Errorf("Expected 'tls1.2 (0x0303)' as ProtocolMinVersion/ProtocolMaxVersion, got %v/%v", cfg.ProtocolMinVersion, cfg.ProtocolMaxVersion)
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| 	}
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| }
 | |
| 
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| const (
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| 	certFile = "test_cert.pem"
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| 	keyFile  = "test_key.pem"
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| )
 | |
| 
 | |
| var testCert = []byte(`-----BEGIN CERTIFICATE-----
 | |
| MIIBkjCCATmgAwIBAgIJANfFCBcABL6LMAkGByqGSM49BAEwFDESMBAGA1UEAxMJ
 | |
| bG9jYWxob3N0MB4XDTE2MDIxMDIyMjAyNFoXDTE4MDIwOTIyMjAyNFowFDESMBAG
 | |
| A1UEAxMJbG9jYWxob3N0MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEs22MtnG7
 | |
| 9K1mvIyjEO9GLx7BFD0tBbGnwQ0VPsuCxC6IeVuXbQDLSiVQvFZ6lUszTlczNxVk
 | |
| pEfqrM6xAupB7qN1MHMwHQYDVR0OBBYEFHxYDvAxUwL4XrjPev6qZ/BiLDs5MEQG
 | |
| A1UdIwQ9MDuAFHxYDvAxUwL4XrjPev6qZ/BiLDs5oRikFjAUMRIwEAYDVQQDEwls
 | |
| b2NhbGhvc3SCCQDXxQgXAAS+izAMBgNVHRMEBTADAQH/MAkGByqGSM49BAEDSAAw
 | |
| RQIgRvBqbyJM2JCJqhA1FmcoZjeMocmhxQHTt1c+1N2wFUgCIQDtvrivbBPA688N
 | |
| Qh3sMeAKNKPsx5NxYdoWuu9KWcKz9A==
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| -----END CERTIFICATE-----
 | |
| `)
 | |
| 
 | |
| var testKey = []byte(`-----BEGIN EC PARAMETERS-----
 | |
| BggqhkjOPQMBBw==
 | |
| -----END EC PARAMETERS-----
 | |
| -----BEGIN EC PRIVATE KEY-----
 | |
| MHcCAQEEIGLtRmwzYVcrH3J0BnzYbGPdWVF10i9p6mxkA4+b2fURoAoGCCqGSM49
 | |
| AwEHoUQDQgAEs22MtnG79K1mvIyjEO9GLx7BFD0tBbGnwQ0VPsuCxC6IeVuXbQDL
 | |
| SiVQvFZ6lUszTlczNxVkpEfqrM6xAupB7g==
 | |
| -----END EC PRIVATE KEY-----
 | |
| `)
 |