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verify_test.go
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verify_test.go
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// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package systemcerts
import (
"crypto"
"crypto/ecdsa"
"crypto/elliptic"
"crypto/rand"
"crypto/x509/pkix"
"encoding/pem"
"errors"
"fmt"
"math/big"
"runtime"
"strings"
"testing"
"time"
)
type verifyTest struct {
leaf string
intermediates []string
roots []string
currentTime int64
dnsName string
systemSkip bool
keyUsages []ExtKeyUsage
testSystemRootsError bool
sha2 bool
ignoreCN bool
errorCallback func(*testing.T, int, error) bool
expectedChains [][]string
}
var verifyTests = []verifyTest{
{
leaf: googleLeaf,
intermediates: []string{giag2Intermediate},
currentTime: 1395785200,
dnsName: "www.google.com",
testSystemRootsError: true,
// Without any roots specified we should get a system roots
// error.
errorCallback: expectSystemRootsError,
},
{
leaf: googleLeaf,
intermediates: []string{giag2Intermediate},
roots: []string{geoTrustRoot},
currentTime: 1395785200,
dnsName: "www.google.com",
expectedChains: [][]string{
{"Google", "Google Internet Authority", "GeoTrust"},
},
},
{
leaf: googleLeaf,
intermediates: []string{giag2Intermediate},
roots: []string{geoTrustRoot},
currentTime: 1395785200,
dnsName: "WwW.GooGLE.coM",
expectedChains: [][]string{
{"Google", "Google Internet Authority", "GeoTrust"},
},
},
{
leaf: googleLeaf,
intermediates: []string{giag2Intermediate},
roots: []string{geoTrustRoot},
currentTime: 1395785200,
dnsName: "www.example.com",
errorCallback: expectHostnameError("certificate is valid for"),
},
{
leaf: googleLeaf,
intermediates: []string{giag2Intermediate},
roots: []string{geoTrustRoot},
currentTime: 1395785200,
dnsName: "1.2.3.4",
errorCallback: expectHostnameError("doesn't contain any IP SANs"),
},
{
leaf: googleLeaf,
intermediates: []string{giag2Intermediate},
roots: []string{geoTrustRoot},
currentTime: 1,
dnsName: "www.example.com",
errorCallback: expectExpired,
},
{
leaf: googleLeaf,
roots: []string{geoTrustRoot},
currentTime: 1395785200,
dnsName: "www.google.com",
// Skip when using systemVerify, since Windows
// *will* find the missing intermediate cert.
systemSkip: true,
errorCallback: expectAuthorityUnknown,
},
{
leaf: googleLeaf,
intermediates: []string{geoTrustRoot, giag2Intermediate},
roots: []string{geoTrustRoot},
currentTime: 1395785200,
dnsName: "www.google.com",
expectedChains: [][]string{
{"Google", "Google Internet Authority", "GeoTrust"},
},
// CAPI doesn't build the chain with the duplicated GeoTrust
// entry so the results don't match. Thus we skip this test
// until that's fixed.
systemSkip: true,
},
{
leaf: dnssecExpLeaf,
intermediates: []string{startComIntermediate},
roots: []string{startComRoot},
currentTime: 1302726541,
expectedChains: [][]string{
{"dnssec-exp", "StartCom Class 1", "StartCom Certification Authority"},
},
},
{
leaf: dnssecExpLeaf,
intermediates: []string{startComIntermediate, startComRoot},
roots: []string{startComRoot},
currentTime: 1302726541,
expectedChains: [][]string{
{"dnssec-exp", "StartCom Class 1", "StartCom Certification Authority"},
},
},
{
leaf: googleLeafWithInvalidHash,
intermediates: []string{giag2Intermediate},
roots: []string{geoTrustRoot},
currentTime: 1395785200,
dnsName: "www.google.com",
// The specific error message may not occur when using system
// verification.
systemSkip: true,
errorCallback: expectHashError,
},
{
// The default configuration should reject an S/MIME chain.
leaf: smimeLeaf,
roots: []string{smimeIntermediate},
currentTime: 1339436154,
// Key usage not implemented for Windows yet.
systemSkip: true,
errorCallback: expectUsageError,
},
{
leaf: smimeLeaf,
roots: []string{smimeIntermediate},
currentTime: 1339436154,
keyUsages: []ExtKeyUsage{ExtKeyUsageServerAuth},
// Key usage not implemented for Windows yet.
systemSkip: true,
errorCallback: expectUsageError,
},
{
leaf: smimeLeaf,
roots: []string{smimeIntermediate},
currentTime: 1339436154,
keyUsages: []ExtKeyUsage{ExtKeyUsageEmailProtection},
// Key usage not implemented for Windows yet.
systemSkip: true,
expectedChains: [][]string{
{"Ryan Hurst", "GlobalSign PersonalSign 2 CA - G2"},
},
},
{
leaf: megaLeaf,
intermediates: []string{comodoIntermediate1},
roots: []string{comodoRoot},
currentTime: 1360431182,
// CryptoAPI can find alternative validation paths so we don't
// perform this test with system validation.
systemSkip: true,
expectedChains: [][]string{
{"mega.co.nz", "EssentialSSL CA", "COMODO Certification Authority"},
},
},
{
// Check that a name constrained intermediate works even when
// it lists multiple constraints.
leaf: nameConstraintsLeaf,
intermediates: []string{nameConstraintsIntermediate1, nameConstraintsIntermediate2},
roots: []string{globalSignRoot},
currentTime: 1382387896,
dnsName: "secure.iddl.vt.edu",
expectedChains: [][]string{
{
"Technology-enhanced Learning and Online Strategies",
"Virginia Tech Global Qualified Server CA",
"Trusted Root CA G2",
"GlobalSign Root CA",
},
},
},
{
// Check that SHA-384 intermediates (which are popping up)
// work.
leaf: moipLeafCert,
intermediates: []string{comodoIntermediateSHA384, comodoRSAAuthority},
roots: []string{addTrustRoot},
currentTime: 1397502195,
dnsName: "api.moip.com.br",
// CryptoAPI can find alternative validation paths so we don't
// perform this test with system validation.
systemSkip: true,
sha2: true,
expectedChains: [][]string{
{
"api.moip.com.br",
"COMODO RSA Extended Validation Secure Server CA",
"COMODO RSA Certification Authority",
"AddTrust External CA Root",
},
},
},
{
// Putting a certificate as a root directly should work as a
// way of saying “exactly this”.
leaf: selfSigned,
roots: []string{selfSigned},
currentTime: 1471624472,
dnsName: "foo.example",
systemSkip: true,
expectedChains: [][]string{
{"Acme Co"},
},
},
{
// Putting a certificate as a root directly should not skip
// other checks however.
leaf: selfSigned,
roots: []string{selfSigned},
currentTime: 1471624472,
dnsName: "notfoo.example",
systemSkip: true,
errorCallback: expectHostnameError("certificate is valid for"),
},
{
// The issuer name in the leaf doesn't exactly match the
// subject name in the root. Go does not perform
// canonicalization and so should reject this. See issue 14955.
leaf: issuerSubjectMatchLeaf,
roots: []string{issuerSubjectMatchRoot},
currentTime: 1475787715,
systemSkip: true,
errorCallback: expectSubjectIssuerMismatcthError,
},
{
// An X.509 v1 certificate should not be accepted as an
// intermediate.
leaf: x509v1TestLeaf,
intermediates: []string{x509v1TestIntermediate},
roots: []string{x509v1TestRoot},
currentTime: 1481753183,
systemSkip: true,
errorCallback: expectNotAuthorizedError,
},
{
// If any SAN extension is present (even one without any DNS
// names), the CN should be ignored.
leaf: ignoreCNWithSANLeaf,
dnsName: "foo.example.com",
roots: []string{ignoreCNWithSANRoot},
currentTime: 1486684488,
systemSkip: true,
errorCallback: expectHostnameError("certificate is not valid for any names"),
},
{
// Test that excluded names are respected.
leaf: excludedNamesLeaf,
dnsName: "bender.local",
intermediates: []string{excludedNamesIntermediate},
roots: []string{excludedNamesRoot},
currentTime: 1486684488,
systemSkip: true,
errorCallback: expectNameConstraintsError,
},
{
// Test that unknown critical extensions in a leaf cause a
// verify error.
leaf: criticalExtLeafWithExt,
dnsName: "example.com",
intermediates: []string{criticalExtIntermediate},
roots: []string{criticalExtRoot},
currentTime: 1486684488,
systemSkip: true,
errorCallback: expectUnhandledCriticalExtension,
},
{
// Test that unknown critical extensions in an intermediate
// cause a verify error.
leaf: criticalExtLeaf,
dnsName: "example.com",
intermediates: []string{criticalExtIntermediateWithExt},
roots: []string{criticalExtRoot},
currentTime: 1486684488,
systemSkip: true,
errorCallback: expectUnhandledCriticalExtension,
},
{
// Test that invalid CN are ignored.
leaf: invalidCNWithoutSAN,
dnsName: "foo,invalid",
roots: []string{invalidCNRoot},
currentTime: 1540000000,
systemSkip: true,
errorCallback: expectHostnameError("Common Name is not a valid hostname"),
},
{
// Test that valid CN are respected.
leaf: validCNWithoutSAN,
dnsName: "foo.example.com",
roots: []string{invalidCNRoot},
currentTime: 1540000000,
systemSkip: true,
expectedChains: [][]string{
{"foo.example.com", "Test root"},
},
},
// Replicate CN tests with ignoreCN = true
{
leaf: ignoreCNWithSANLeaf,
dnsName: "foo.example.com",
roots: []string{ignoreCNWithSANRoot},
currentTime: 1486684488,
systemSkip: true,
ignoreCN: true,
errorCallback: expectHostnameError("certificate is not valid for any names"),
},
{
leaf: invalidCNWithoutSAN,
dnsName: "foo,invalid",
roots: []string{invalidCNRoot},
currentTime: 1540000000,
systemSkip: true,
ignoreCN: true,
errorCallback: expectHostnameError("Common Name is not a valid hostname"),
},
{
leaf: validCNWithoutSAN,
dnsName: "foo.example.com",
roots: []string{invalidCNRoot},
currentTime: 1540000000,
systemSkip: true,
ignoreCN: true,
errorCallback: expectHostnameError("not valid for any names"),
},
{
// A certificate with an AKID should still chain to a parent without SKID.
// See Issue 30079.
leaf: leafWithAKID,
roots: []string{rootWithoutSKID},
currentTime: 1550000000,
dnsName: "example",
systemSkip: true,
expectedChains: [][]string{
{"Acme LLC", "Acme Co"},
},
},
}
func expectHostnameError(msg string) func(*testing.T, int, error) bool {
return func(t *testing.T, i int, err error) (ok bool) {
if _, ok := err.(HostnameError); !ok {
t.Errorf("#%d: error was not a HostnameError: %v", i, err)
return false
}
if !strings.Contains(err.Error(), msg) {
t.Errorf("#%d: HostnameError did not contain %q: %v", i, msg, err)
}
return true
}
}
func expectExpired(t *testing.T, i int, err error) (ok bool) {
if inval, ok := err.(CertificateInvalidError); !ok || inval.Reason != Expired {
t.Errorf("#%d: error was not Expired: %v", i, err)
return false
}
return true
}
func expectUsageError(t *testing.T, i int, err error) (ok bool) {
if inval, ok := err.(CertificateInvalidError); !ok || inval.Reason != IncompatibleUsage {
t.Errorf("#%d: error was not IncompatibleUsage: %v", i, err)
return false
}
return true
}
func expectAuthorityUnknown(t *testing.T, i int, err error) (ok bool) {
e, ok := err.(UnknownAuthorityError)
if !ok {
t.Errorf("#%d: error was not UnknownAuthorityError: %v", i, err)
return false
}
if e.Cert == nil {
t.Errorf("#%d: error was UnknownAuthorityError, but missing Cert: %v", i, err)
return false
}
return true
}
func expectSystemRootsError(t *testing.T, i int, err error) bool {
if _, ok := err.(SystemRootsError); !ok {
t.Errorf("#%d: error was not SystemRootsError: %v", i, err)
return false
}
return true
}
func expectHashError(t *testing.T, i int, err error) bool {
if err == nil {
t.Errorf("#%d: no error resulted from invalid hash", i)
return false
}
if expected := "algorithm unimplemented"; !strings.Contains(err.Error(), expected) {
t.Errorf("#%d: error resulting from invalid hash didn't contain '%s', rather it was: %v", i, expected, err)
return false
}
return true
}
func expectSubjectIssuerMismatcthError(t *testing.T, i int, err error) (ok bool) {
if inval, ok := err.(CertificateInvalidError); !ok || inval.Reason != NameMismatch {
t.Errorf("#%d: error was not a NameMismatch: %v", i, err)
return false
}
return true
}
func expectNameConstraintsError(t *testing.T, i int, err error) (ok bool) {
if inval, ok := err.(CertificateInvalidError); !ok || inval.Reason != CANotAuthorizedForThisName {
t.Errorf("#%d: error was not a CANotAuthorizedForThisName: %v", i, err)
return false
}
return true
}
func expectNotAuthorizedError(t *testing.T, i int, err error) (ok bool) {
if inval, ok := err.(CertificateInvalidError); !ok || inval.Reason != NotAuthorizedToSign {
t.Errorf("#%d: error was not a NotAuthorizedToSign: %v", i, err)
return false
}
return true
}
func expectUnhandledCriticalExtension(t *testing.T, i int, err error) (ok bool) {
if _, ok := err.(UnhandledCriticalExtension); !ok {
t.Errorf("#%d: error was not an UnhandledCriticalExtension: %v", i, err)
return false
}
return true
}
func certificateFromPEM(pemBytes string) (*Certificate, error) {
block, _ := pem.Decode([]byte(pemBytes))
if block == nil {
return nil, errors.New("failed to decode PEM")
}
return ParseCertificate(block.Bytes)
}
func testVerify(t *testing.T, useSystemRoots bool) {
defer func(savedIgnoreCN bool) {
ignoreCN = savedIgnoreCN
}(ignoreCN)
for i, test := range verifyTests {
if useSystemRoots && test.systemSkip {
continue
}
if runtime.GOOS == "windows" && test.testSystemRootsError {
continue
}
ignoreCN = test.ignoreCN
opts := VerifyOptions{
Intermediates: NewCertPool(),
DNSName: test.dnsName,
CurrentTime: time.Unix(test.currentTime, 0),
KeyUsages: test.keyUsages,
}
if !useSystemRoots {
opts.Roots = NewCertPool()
for j, root := range test.roots {
ok := opts.Roots.AppendCertsFromPEM([]byte(root))
if !ok {
t.Errorf("#%d: failed to parse root #%d", i, j)
return
}
}
}
for j, intermediate := range test.intermediates {
ok := opts.Intermediates.AppendCertsFromPEM([]byte(intermediate))
if !ok {
t.Errorf("#%d: failed to parse intermediate #%d", i, j)
return
}
}
leaf, err := certificateFromPEM(test.leaf)
if err != nil {
t.Errorf("#%d: failed to parse leaf: %v", i, err)
return
}
var oldSystemRoots *CertPool
if test.testSystemRootsError {
oldSystemRoots = systemRootsPool()
systemRoots = nil
opts.Roots = nil
}
chains, err := leaf.Verify(opts)
if test.testSystemRootsError {
systemRoots = oldSystemRoots
}
if test.errorCallback == nil && err != nil {
t.Errorf("#%d: unexpected error: %v", i, err)
}
if test.errorCallback != nil {
if !test.errorCallback(t, i, err) {
return
}
}
if len(chains) != len(test.expectedChains) {
t.Errorf("#%d: wanted %d chains, got %d", i, len(test.expectedChains), len(chains))
}
// We check that each returned chain matches a chain from
// expectedChains but an entry in expectedChains can't match
// two chains.
seenChains := make([]bool, len(chains))
NextOutputChain:
for _, chain := range chains {
TryNextExpected:
for j, expectedChain := range test.expectedChains {
if seenChains[j] {
continue
}
if len(chain) != len(expectedChain) {
continue
}
for k, cert := range chain {
if !strings.Contains(nameToKey(&cert.Subject), expectedChain[k]) {
continue TryNextExpected
}
}
// we matched
seenChains[j] = true
continue NextOutputChain
}
t.Errorf("#%d: No expected chain matched %s", i, chainToDebugString(chain))
}
}
}
func TestGoVerify(t *testing.T) {
testVerify(t, false)
}
func TestSystemVerify(t *testing.T) {
if runtime.GOOS != "windows" {
t.Skipf("skipping verify test using system APIs on %q", runtime.GOOS)
}
testVerify(t, true)
}
func chainToDebugString(chain []*Certificate) string {
var chainStr string
for _, cert := range chain {
if len(chainStr) > 0 {
chainStr += " -> "
}
chainStr += nameToKey(&cert.Subject)
}
return chainStr
}
func nameToKey(name *pkix.Name) string {
return strings.Join(name.Country, ",") + "/" + strings.Join(name.Organization, ",") + "/" + strings.Join(name.OrganizationalUnit, ",") + "/" + name.CommonName
}
const geoTrustRoot = `-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
`
const giag2Intermediate = `-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
`
const googleLeaf = `-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
`
// googleLeafWithInvalidHash is the same as googleLeaf, but the signature
// algorithm in the certificate contains a nonsense OID.
const googleLeafWithInvalidHash = `-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
`
const dnssecExpLeaf = `-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----`
const startComIntermediate = `-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----`
const startComRoot = `-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----`
const smimeLeaf = `-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----`
const smimeIntermediate = `-----BEGIN CERTIFICATE-----
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var megaLeaf = `-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----`
var comodoIntermediate1 = `-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----`
var comodoRoot = `-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----`