libgo/go/crypto/x509/verify_test.go

   1 // Copyright 2011 The Go Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style
   3 // license that can be found in the LICENSE file.
   4
   5 package x509
   6
   7 import (
   8         "crypto/x509/pkix"
   9         "encoding/pem"
  10         "os"
  11         "strings"
  12         "testing"
  13 )
  14
  15 type verifyTest struct {
  16         leaf          string
  17         intermediates []string
  18         roots         []string
  19         currentTime   int64
  20         dnsName       string
  21
  22         errorCallback  func(*testing.T, int, os.Error) bool
  23         expectedChains [][]string
  24 }
  25
  26 var verifyTests = []verifyTest{
  27         {
  28                 leaf:          googleLeaf,
  29                 intermediates: []string{thawteIntermediate},
  30                 roots:         []string{verisignRoot},
  31                 currentTime:   1302726541,
  32                 dnsName:       "www.google.com",
  33
  34                 expectedChains: [][]string{
  35                         {"Google", "Thawte", "VeriSign"},
  36                 },
  37         },
  38         {
  39                 leaf:          googleLeaf,
  40                 intermediates: []string{thawteIntermediate},
  41                 roots:         []string{verisignRoot},
  42                 currentTime:   1302726541,
  43                 dnsName:       "www.example.com",
  44
  45                 errorCallback: expectHostnameError,
  46         },
  47         {
  48                 leaf:          googleLeaf,
  49                 intermediates: []string{thawteIntermediate},
  50                 roots:         []string{verisignRoot},
  51                 currentTime:   1,
  52                 dnsName:       "www.example.com",
  53
  54                 errorCallback: expectExpired,
  55         },
  56         {
  57                 leaf:        googleLeaf,
  58                 roots:       []string{verisignRoot},
  59                 currentTime: 1302726541,
  60                 dnsName:     "www.google.com",
  61
  62                 errorCallback: expectAuthorityUnknown,
  63         },
  64         {
  65                 leaf:          googleLeaf,
  66                 intermediates: []string{verisignRoot, thawteIntermediate},
  67                 roots:         []string{verisignRoot},
  68                 currentTime:   1302726541,
  69                 dnsName:       "www.google.com",
  70
  71                 expectedChains: [][]string{
  72                         {"Google", "Thawte", "VeriSign"},
  73                 },
  74         },
  75         {
  76                 leaf:          dnssecExpLeaf,
  77                 intermediates: []string{startComIntermediate},
  78                 roots:         []string{startComRoot},
  79                 currentTime:   1302726541,
  80
  81                 expectedChains: [][]string{
  82                         {"dnssec-exp", "StartCom Class 1", "StartCom Certification Authority"},
  83                 },
  84         },
  85         {
  86                 leaf:          dnssecExpLeaf,
  87                 intermediates: []string{startComIntermediate, startComRoot},
  88                 roots:         []string{startComRoot},
  89                 currentTime:   1302726541,
  90
  91                 expectedChains: [][]string{
  92                         {"dnssec-exp", "StartCom Class 1", "StartCom Certification Authority"},
  93                         {"dnssec-exp", "StartCom Class 1", "StartCom Certification Authority", "StartCom Certification Authority"},
  94                 },
  95         },
  96 }
  97
  98 func expectHostnameError(t *testing.T, i int, err os.Error) (ok bool) {
  99         if _, ok := err.(HostnameError); !ok {
 100                 t.Errorf("#%d: error was not a HostnameError: %s", i, err)
 101                 return false
 102         }
 103         return true
 104 }
 105
 106 func expectExpired(t *testing.T, i int, err os.Error) (ok bool) {
 107         if inval, ok := err.(CertificateInvalidError); !ok || inval.Reason != Expired {
 108                 t.Errorf("#%d: error was not Expired: %s", i, err)
 109                 return false
 110         }
 111         return true
 112 }
 113
 114 func expectAuthorityUnknown(t *testing.T, i int, err os.Error) (ok bool) {
 115         if _, ok := err.(UnknownAuthorityError); !ok {
 116                 t.Errorf("#%d: error was not UnknownAuthorityError: %s", i, err)
 117                 return false
 118         }
 119         return true
 120 }
 121
 122 func certificateFromPEM(pemBytes string) (*Certificate, os.Error) {
 123         block, _ := pem.Decode([]byte(pemBytes))
 124         if block == nil {
 125                 return nil, os.NewError("failed to decode PEM")
 126         }
 127         return ParseCertificate(block.Bytes)
 128 }
 129
 130 func TestVerify(t *testing.T) {
 131         for i, test := range verifyTests {
 132                 opts := VerifyOptions{
 133                         Roots:         NewCertPool(),
 134                         Intermediates: NewCertPool(),
 135                         DNSName:       test.dnsName,
 136                         CurrentTime:   test.currentTime,
 137                 }
 138
 139                 for j, root := range test.roots {
 140                         ok := opts.Roots.AppendCertsFromPEM([]byte(root))
 141                         if !ok {
 142                                 t.Errorf("#%d: failed to parse root #%d", i, j)
 143                                 return
 144                         }
 145                 }
 146
 147                 for j, intermediate := range test.intermediates {
 148                         ok := opts.Intermediates.AppendCertsFromPEM([]byte(intermediate))
 149                         if !ok {
 150                                 t.Errorf("#%d: failed to parse intermediate #%d", i, j)
 151                                 return
 152                         }
 153                 }
 154
 155                 leaf, err := certificateFromPEM(test.leaf)
 156                 if err != nil {
 157                         t.Errorf("#%d: failed to parse leaf: %s", i, err)
 158                         return
 159                 }
 160
 161                 chains, err := leaf.Verify(opts)
 162
 163                 if test.errorCallback == nil && err != nil {
 164                         t.Errorf("#%d: unexpected error: %s", i, err)
 165                 }
 166                 if test.errorCallback != nil {
 167                         if !test.errorCallback(t, i, err) {
 168                                 return
 169                         }
 170                 }
 171
 172                 if len(chains) != len(test.expectedChains) {
 173                         t.Errorf("#%d: wanted %d chains, got %d", i, len(test.expectedChains), len(chains))
 174                 }
 175
 176                 // We check that each returned chain matches a chain from
 177                 // expectedChains but an entry in expectedChains can't match
 178                 // two chains.
 179                 seenChains := make([]bool, len(chains))
 180         NextOutputChain:
 181                 for _, chain := range chains {
 182                 TryNextExpected:
 183                         for j, expectedChain := range test.expectedChains {
 184                                 if seenChains[j] {
 185                                         continue
 186                                 }
 187                                 if len(chain) != len(expectedChain) {
 188                                         continue
 189                                 }
 190                                 for k, cert := range chain {
 191                                         if strings.Index(nameToKey(&cert.Subject), expectedChain[k]) == -1 {
 192                                                 continue TryNextExpected
 193                                         }
 194                                 }
 195                                 // we matched
 196                                 seenChains[j] = true
 197                                 continue NextOutputChain
 198                         }
 199                         t.Errorf("#%d: No expected chain matched %s", i, chainToDebugString(chain))
 200                 }
 201         }
 202 }
 203
 204 func chainToDebugString(chain []*Certificate) string {
 205         var chainStr string
 206         for _, cert := range chain {
 207                 if len(chainStr) > 0 {
 208                         chainStr += " -> "
 209                 }
 210                 chainStr += nameToKey(&cert.Subject)
 211         }
 212         return chainStr
 213 }
 214
 215 func nameToKey(name *pkix.Name) string {
 216         return strings.Join(name.Country, ",") + "/" + strings.Join(name.Organization, ",") + "/" + strings.Join(name.OrganizationalUnit, ",") + "/" + name.CommonName
 217 }
 218
 219 const verisignRoot = `-----BEGIN CERTIFICATE-----
 220 MIICPDCCAaUCEHC65B0Q2Sk0tjjKewPMur8wDQYJKoZIhvcNAQECBQAwXzELMAkG
 221 A1UEBhMCVVMxFzAVBgNVBAoTDlZlcmlTaWduLCBJbmMuMTcwNQYDVQQLEy5DbGFz
 222 cyAzIFB1YmxpYyBQcmltYXJ5IENlcnRpZmljYXRpb24gQXV0aG9yaXR5MB4XDTk2
 223 MDEyOTAwMDAwMFoXDTI4MDgwMTIzNTk1OVowXzELMAkGA1UEBhMCVVMxFzAVBgNV
 224 BAoTDlZlcmlTaWduLCBJbmMuMTcwNQYDVQQLEy5DbGFzcyAzIFB1YmxpYyBQcmlt
 225 YXJ5IENlcnRpZmljYXRpb24gQXV0aG9yaXR5MIGfMA0GCSqGSIb3DQEBAQUAA4GN
 226 ADCBiQKBgQDJXFme8huKARS0EN8EQNvjV69qRUCPhAwL0TPZ2RHP7gJYHyX3KqhE
 227 BarsAx94f56TuZoAqiN91qyFomNFx3InzPRMxnVx0jnvT0Lwdd8KkMaOIG+YD/is
 228 I19wKTakyYbnsZogy1Olhec9vn2a/iRFM9x2Fe0PonFkTGUugWhFpwIDAQABMA0G
 229 CSqGSIb3DQEBAgUAA4GBALtMEivPLCYATxQT3ab7/AoRhIzzKBxnki98tsX63/Do
 230 lbwdj2wsqFHMc9ikwFPwTtYmwHYBV4GSXiHx0bH/59AhWM1pF+NEHJwZRDmJXNyc
 231 AA9WjQKZ7aKQRUzkuxCkPfAyAw7xzvjoyVGM5mKf5p/AfbdynMk2OmufTqj/ZA1k
 232 -----END CERTIFICATE-----
 233 `
 234
 235 const thawteIntermediate = `-----BEGIN CERTIFICATE-----
 236 MIIDIzCCAoygAwIBAgIEMAAAAjANBgkqhkiG9w0BAQUFADBfMQswCQYDVQQGEwJV
 237 UzEXMBUGA1UEChMOVmVyaVNpZ24sIEluYy4xNzA1BgNVBAsTLkNsYXNzIDMgUHVi
 238 bGljIFByaW1hcnkgQ2VydGlmaWNhdGlvbiBBdXRob3JpdHkwHhcNMDQwNTEzMDAw
 239 MDAwWhcNMTQwNTEyMjM1OTU5WjBMMQswCQYDVQQGEwJaQTElMCMGA1UEChMcVGhh
 240 d3RlIENvbnN1bHRpbmcgKFB0eSkgTHRkLjEWMBQGA1UEAxMNVGhhd3RlIFNHQyBD
 241 QTCBnzANBgkqhkiG9w0BAQEFAAOBjQAwgYkCgYEA1NNn0I0Vf67NMf59HZGhPwtx
 242 PKzMyGT7Y/wySweUvW+Aui/hBJPAM/wJMyPpC3QrccQDxtLN4i/1CWPN/0ilAL/g
 243 5/OIty0y3pg25gqtAHvEZEo7hHUD8nCSfQ5i9SGraTaEMXWQ+L/HbIgbBpV8yeWo
 244 3nWhLHpo39XKHIdYYBkCAwEAAaOB/jCB+zASBgNVHRMBAf8ECDAGAQH/AgEAMAsG
 245 A1UdDwQEAwIBBjARBglghkgBhvhCAQEEBAMCAQYwKAYDVR0RBCEwH6QdMBsxGTAX
 246 BgNVBAMTEFByaXZhdGVMYWJlbDMtMTUwMQYDVR0fBCowKDAmoCSgIoYgaHR0cDov
 247 L2NybC52ZXJpc2lnbi5jb20vcGNhMy5jcmwwMgYIKwYBBQUHAQEEJjAkMCIGCCsG
 248 AQUFBzABhhZodHRwOi8vb2NzcC50aGF3dGUuY29tMDQGA1UdJQQtMCsGCCsGAQUF
 249 BwMBBggrBgEFBQcDAgYJYIZIAYb4QgQBBgpghkgBhvhFAQgBMA0GCSqGSIb3DQEB
 250 BQUAA4GBAFWsY+reod3SkF+fC852vhNRj5PZBSvIG3dLrWlQoe7e3P3bB+noOZTc
 251 q3J5Lwa/q4FwxKjt6lM07e8eU9kGx1Yr0Vz00YqOtCuxN5BICEIlxT6Ky3/rbwTR
 252 bcV0oveifHtgPHfNDs5IAn8BL7abN+AqKjbc1YXWrOU/VG+WHgWv
 253 -----END CERTIFICATE-----
 254 `
 255
 256 const googleLeaf = `-----BEGIN CERTIFICATE-----
 257 MIIDITCCAoqgAwIBAgIQL9+89q6RUm0PmqPfQDQ+mjANBgkqhkiG9w0BAQUFADBM
 258 MQswCQYDVQQGEwJaQTElMCMGA1UEChMcVGhhd3RlIENvbnN1bHRpbmcgKFB0eSkg
 259 THRkLjEWMBQGA1UEAxMNVGhhd3RlIFNHQyBDQTAeFw0wOTEyMTgwMDAwMDBaFw0x
 260 MTEyMTgyMzU5NTlaMGgxCzAJBgNVBAYTAlVTMRMwEQYDVQQIEwpDYWxpZm9ybmlh
 261 MRYwFAYDVQQHFA1Nb3VudGFpbiBWaWV3MRMwEQYDVQQKFApHb29nbGUgSW5jMRcw
 262 FQYDVQQDFA53d3cuZ29vZ2xlLmNvbTCBnzANBgkqhkiG9w0BAQEFAAOBjQAwgYkC
 263 gYEA6PmGD5D6htffvXImttdEAoN4c9kCKO+IRTn7EOh8rqk41XXGOOsKFQebg+jN
 264 gtXj9xVoRaELGYW84u+E593y17iYwqG7tcFR39SDAqc9BkJb4SLD3muFXxzW2k6L
 265 05vuuWciKh0R73mkszeK9P4Y/bz5RiNQl/Os/CRGK1w7t0UCAwEAAaOB5zCB5DAM
 266 BgNVHRMBAf8EAjAAMDYGA1UdHwQvMC0wK6ApoCeGJWh0dHA6Ly9jcmwudGhhd3Rl
 267 LmNvbS9UaGF3dGVTR0NDQS5jcmwwKAYDVR0lBCEwHwYIKwYBBQUHAwEGCCsGAQUF
 268 BwMCBglghkgBhvhCBAEwcgYIKwYBBQUHAQEEZjBkMCIGCCsGAQUFBzABhhZodHRw
 269 Oi8vb2NzcC50aGF3dGUuY29tMD4GCCsGAQUFBzAChjJodHRwOi8vd3d3LnRoYXd0
 270 ZS5jb20vcmVwb3NpdG9yeS9UaGF3dGVfU0dDX0NBLmNydDANBgkqhkiG9w0BAQUF
 271 AAOBgQCfQ89bxFApsb/isJr/aiEdLRLDLE5a+RLizrmCUi3nHX4adpaQedEkUjh5
 272 u2ONgJd8IyAPkU0Wueru9G2Jysa9zCRo1kNbzipYvzwY4OA8Ys+WAi0oR1A04Se6
 273 z5nRUP8pJcA2NhUzUnC+MY+f6H/nEQyNv4SgQhqAibAxWEEHXw==
 274 -----END CERTIFICATE-----`
 275
 276 const dnssecExpLeaf = `-----BEGIN CERTIFICATE-----
 277 MIIGzTCCBbWgAwIBAgIDAdD6MA0GCSqGSIb3DQEBBQUAMIGMMQswCQYDVQQGEwJJ
 278 TDEWMBQGA1UEChMNU3RhcnRDb20gTHRkLjErMCkGA1UECxMiU2VjdXJlIERpZ2l0
 279 YWwgQ2VydGlmaWNhdGUgU2lnbmluZzE4MDYGA1UEAxMvU3RhcnRDb20gQ2xhc3Mg
 280 MSBQcmltYXJ5IEludGVybWVkaWF0ZSBTZXJ2ZXIgQ0EwHhcNMTAwNzA0MTQ1MjQ1
 281 WhcNMTEwNzA1MTA1NzA0WjCBwTEgMB4GA1UEDRMXMjIxMTM3LWxpOWE5dHhJRzZM
 282 NnNyVFMxCzAJBgNVBAYTAlVTMR4wHAYDVQQKExVQZXJzb25hIE5vdCBWYWxpZGF0
 283 ZWQxKTAnBgNVBAsTIFN0YXJ0Q29tIEZyZWUgQ2VydGlmaWNhdGUgTWVtYmVyMRsw
 284 GQYDVQQDExJ3d3cuZG5zc2VjLWV4cC5vcmcxKDAmBgkqhkiG9w0BCQEWGWhvc3Rt
 285 YXN0ZXJAZG5zc2VjLWV4cC5vcmcwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEK
 286 AoIBAQDEdF/22vaxrPbqpgVYMWi+alfpzBctpbfLBdPGuqOazJdCT0NbWcK8/+B4
 287 X6OlSOURNIlwLzhkmwVsWdVv6dVSaN7d4yI/fJkvgfDB9+au+iBJb6Pcz8ULBfe6
 288 D8HVvqKdORp6INzHz71z0sghxrQ0EAEkoWAZLh+kcn2ZHdcmZaBNUfjmGbyU6PRt
 289 RjdqoP+owIaC1aktBN7zl4uO7cRjlYFdusINrh2kPP02KAx2W84xjxX1uyj6oS6e
 290 7eBfvcwe8czW/N1rbE0CoR7h9+HnIrjnVG9RhBiZEiw3mUmF++Up26+4KTdRKbu3
 291 +BL4yMpfd66z0+zzqu+HkvyLpFn5AgMBAAGjggL/MIIC+zAJBgNVHRMEAjAAMAsG
 292 A1UdDwQEAwIDqDATBgNVHSUEDDAKBggrBgEFBQcDATAdBgNVHQ4EFgQUy04I5guM
 293 drzfh2JQaXhgV86+4jUwHwYDVR0jBBgwFoAU60I00Jiwq5/0G2sI98xkLu8OLEUw
 294 LQYDVR0RBCYwJIISd3d3LmRuc3NlYy1leHAub3Jngg5kbnNzZWMtZXhwLm9yZzCC
 295 AUIGA1UdIASCATkwggE1MIIBMQYLKwYBBAGBtTcBAgIwggEgMC4GCCsGAQUFBwIB
 296 FiJodHRwOi8vd3d3LnN0YXJ0c3NsLmNvbS9wb2xpY3kucGRmMDQGCCsGAQUFBwIB
 297 FihodHRwOi8vd3d3LnN0YXJ0c3NsLmNvbS9pbnRlcm1lZGlhdGUucGRmMIG3Bggr
 298 BgEFBQcCAjCBqjAUFg1TdGFydENvbSBMdGQuMAMCAQEagZFMaW1pdGVkIExpYWJp
 299 bGl0eSwgc2VlIHNlY3Rpb24gKkxlZ2FsIExpbWl0YXRpb25zKiBvZiB0aGUgU3Rh
 300 cnRDb20gQ2VydGlmaWNhdGlvbiBBdXRob3JpdHkgUG9saWN5IGF2YWlsYWJsZSBh
 301 dCBodHRwOi8vd3d3LnN0YXJ0c3NsLmNvbS9wb2xpY3kucGRmMGEGA1UdHwRaMFgw
 302 KqAooCaGJGh0dHA6Ly93d3cuc3RhcnRzc2wuY29tL2NydDEtY3JsLmNybDAqoCig
 303 JoYkaHR0cDovL2NybC5zdGFydHNzbC5jb20vY3J0MS1jcmwuY3JsMIGOBggrBgEF
 304 BQcBAQSBgTB/MDkGCCsGAQUFBzABhi1odHRwOi8vb2NzcC5zdGFydHNzbC5jb20v
 305 c3ViL2NsYXNzMS9zZXJ2ZXIvY2EwQgYIKwYBBQUHMAKGNmh0dHA6Ly93d3cuc3Rh
 306 cnRzc2wuY29tL2NlcnRzL3N1Yi5jbGFzczEuc2VydmVyLmNhLmNydDAjBgNVHRIE
 307 HDAahhhodHRwOi8vd3d3LnN0YXJ0c3NsLmNvbS8wDQYJKoZIhvcNAQEFBQADggEB
 308 ACXj6SB59KRJPenn6gUdGEqcta97U769SATyiQ87i9er64qLwvIGLMa3o2Rcgl2Y
 309 kghUeyLdN/EXyFBYA8L8uvZREPoc7EZukpT/ZDLXy9i2S0jkOxvF2fD/XLbcjGjM
 310 iEYG1/6ASw0ri9C0k4oDDoJLCoeH9++yqF7SFCCMcDkJqiAGXNb4euDpa8vCCtEQ
 311 CSS+ObZbfkreRt3cNCf5LfCXe9OsTnCfc8Cuq81c0oLaG+SmaLUQNBuToq8e9/Zm
 312 +b+/a3RVjxmkV5OCcGVBxsXNDn54Q6wsdw0TBMcjwoEndzpLS7yWgFbbkq5ZiGpw
 313 Qibb2+CfKuQ+WFV1GkVQmVA=
 314 -----END CERTIFICATE-----`
 315
 316 const startComIntermediate = `-----BEGIN CERTIFICATE-----
 317 MIIGNDCCBBygAwIBAgIBGDANBgkqhkiG9w0BAQUFADB9MQswCQYDVQQGEwJJTDEW
 318 MBQGA1UEChMNU3RhcnRDb20gTHRkLjErMCkGA1UECxMiU2VjdXJlIERpZ2l0YWwg
 319 Q2VydGlmaWNhdGUgU2lnbmluZzEpMCcGA1UEAxMgU3RhcnRDb20gQ2VydGlmaWNh
 320 dGlvbiBBdXRob3JpdHkwHhcNMDcxMDI0MjA1NDE3WhcNMTcxMDI0MjA1NDE3WjCB
 321 jDELMAkGA1UEBhMCSUwxFjAUBgNVBAoTDVN0YXJ0Q29tIEx0ZC4xKzApBgNVBAsT
 322 IlNlY3VyZSBEaWdpdGFsIENlcnRpZmljYXRlIFNpZ25pbmcxODA2BgNVBAMTL1N0
 323 YXJ0Q29tIENsYXNzIDEgUHJpbWFyeSBJbnRlcm1lZGlhdGUgU2VydmVyIENBMIIB
 324 IjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtonGrO8JUngHrJJj0PREGBiE
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 352
 353 const startComRoot = `-----BEGIN CERTIFICATE-----
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