| # |
| # This file is part of pyasn1-modules software. |
| # |
| # Created by Russ Housley |
| # Copyright (c) 2019, Vigil Security, LLC |
| # License: http://snmplabs.com/pyasn1/license.html |
| # |
| |
| import sys |
| |
| from pyasn1.codec.der.decoder import decode as der_decode |
| from pyasn1.codec.der.encoder import encode as der_encode |
| |
| from pyasn1.type import univ |
| |
| from pyasn1_modules import pem |
| from pyasn1_modules import rfc5280 |
| from pyasn1_modules import rfc7585 |
| |
| try: |
| import unittest2 as unittest |
| except ImportError: |
| import unittest |
| |
| |
| class NAIRealmCertTestCase(unittest.TestCase): |
| cert_pem_text = """\ |
| MIIEZzCCA0+gAwIBAgIBBzANBgkqhkiG9w0BAQsFADCBkjELMAkGA1UEBhMCRlIx |
| DzANBgNVBAgMBlJhZGl1czESMBAGA1UEBwwJU29tZXdoZXJlMRQwEgYDVQQKDAtF |
| eGFtcGxlIEluYzEgMB4GCSqGSIb3DQEJARYRYWRtaW5AZXhhbXBsZS5vcmcxJjAk |
| BgNVBAMMHUV4YW1wbGUgQ2VydGlmaWNhdGUgQXV0aG9yaXR5MB4XDTE5MTExMTE4 |
| MDQyMVoXDTIwMDExMDE4MDQyMVowezELMAkGA1UEBhMCRlIxDzANBgNVBAgMBlJh |
| ZGl1czEUMBIGA1UECgwLRXhhbXBsZSBJbmMxIzAhBgNVBAMMGkV4YW1wbGUgU2Vy |
| dmVyIENlcnRpZmljYXRlMSAwHgYJKoZIhvcNAQkBFhFhZG1pbkBleGFtcGxlLm9y |
| ZzCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAM9HqbuyWpsTMKo739Dm |
| DwmQo2HUkNdQYbvsB+e7ILsw8fWa2qnsF1CoRr/1bcZqXUR1To/QbHse7xSMZH9t |
| F7rdlDMc7QtgdwVfn8TiL3hCg5LSE8iaBzfJUjrts/V5WOByP1DwJVM7W3Va/5dN |
| oOiceVeC7ThghMlwIx/wN5cy78a8fPYV2FvPR6e+U2HG35zaIv2PizYcliF/QmZG |
| gnw4Q9dYC1Lw/ogVBZBALlv+/MuGheb/xIuL8lu1PFZ0YbW65WLD9Cx4wvytAke7 |
| tKlhL/Kd4OBSeOY3OYmpxbc1gEUmFoLTlZesY2NP9Jyl5mGsIHtPdvVkh/tSBy8o |
| VLUCAwEAAaOB3TCB2jAJBgNVHRMEAjAAMAsGA1UdDwQEAwIF4DATBgNVHSUEDDAK |
| BggrBgEFBQcDATA2BgNVHR8ELzAtMCugKaAnhiVodHRwOi8vd3d3LmV4YW1wbGUu |
| Y29tL2V4YW1wbGVfY2EuY3JsMDcGCCsGAQUFBwEBBCswKTAnBggrBgEFBQcwAYYb |
| aHR0cDovL3d3dy5leGFtcGxlLm9yZy9vY3NwMDoGA1UdEQQzMDGCEnJhZGl1cy5l |
| eGFtcGxlLm9yZ6AbBggrBgEFBQcICKAPDA0qLmV4YW1wbGUuY29tMA0GCSqGSIb3 |
| DQEBCwUAA4IBAQBOhtH2Jpi0b0MZ8FBKTqDl44rIHL1rHG2mW/YYmRI4jZo8kFhA |
| yWm/T8ZpdaotJgRqbQbeXvTXIg4/JNFheyLG4yLOzS1esdMAYDD5EN9/dXE++jND |
| /wrfPU+QtTgzAjkgFDKuqO7gr1/vSizxLYTWLKBPRHhiQo7GGlEC6/CPb38x4mfQ |
| 5Y9DsKCp6BEZu+LByCho/HMDzcIPCdtXRX7Fs8rtX4/zRpVIdm6D+vebuo6CwRKp |
| mIljfssCvZjb9YIxSVDmA/6Lapqsfsfo922kb+MTXvPrq2ynPx8LrPDrxKc8maYc |
| Jiw8B0yjkokwojxyRGftMT8uxNjWQVsMDbxl |
| """ |
| |
| def setUp(self): |
| self.asn1Spec = rfc5280.Certificate() |
| |
| def testDerCodec(self): |
| substrate = pem.readBase64fromText(self.cert_pem_text) |
| asn1Object, rest = der_decode(substrate, asn1Spec=self.asn1Spec) |
| assert not rest |
| assert asn1Object.prettyPrint() |
| assert der_encode(asn1Object) == substrate |
| |
| nai_realm_oid = rfc7585.id_on_naiRealm |
| nai_realm_found = False |
| |
| for extn in asn1Object['tbsCertificate']['extensions']: |
| if extn['extnID'] == rfc5280.id_ce_subjectAltName: |
| extnValue, rest = der_decode(extn['extnValue'], |
| asn1Spec=rfc5280.SubjectAltName()) |
| assert not rest |
| assert extnValue.prettyPrint() |
| assert der_encode(extnValue) == extn['extnValue'] |
| |
| for gn in extnValue: |
| if gn['otherName'].hasValue(): |
| assert gn['otherName']['type-id'] == nai_realm_oid |
| onValue, rest = der_decode(gn['otherName']['value'], |
| asn1Spec=rfc7585.NAIRealm()) |
| assert not rest |
| assert onValue.prettyPrint() |
| assert der_encode(onValue) == gn['otherName']['value'] |
| assert 'example' in onValue |
| nai_realm_found = True |
| |
| assert nai_realm_found |
| |
| def testOpenTypes(self): |
| substrate = pem.readBase64fromText(self.cert_pem_text) |
| asn1Object, rest = der_decode(substrate, |
| asn1Spec=self.asn1Spec, |
| decodeOpenTypes=True) |
| assert not rest |
| assert asn1Object.prettyPrint() |
| assert der_encode(asn1Object) == substrate |
| |
| nai_realm_oid = rfc7585.id_on_naiRealm |
| nai_realm_found = False |
| |
| for extn in asn1Object['tbsCertificate']['extensions']: |
| if extn['extnID'] == rfc5280.id_ce_subjectAltName: |
| extnValue, rest = der_decode(extn['extnValue'], |
| asn1Spec=rfc5280.SubjectAltName(), |
| decodeOpenTypes=True) |
| assert not rest |
| assert extnValue.prettyPrint() |
| assert der_encode(extnValue) == extn['extnValue'] |
| |
| for gn in extnValue: |
| if gn['otherName'].hasValue(): |
| assert gn['otherName']['type-id'] == nai_realm_oid |
| assert 'example' in gn['otherName']['value'] |
| nai_realm_found = True |
| |
| assert nai_realm_found |
| |
| |
| suite = unittest.TestLoader().loadTestsFromModule(sys.modules[__name__]) |
| |
| if __name__ == '__main__': |
| import sys |
| |
| result = unittest.TextTestRunner(verbosity=2).run(suite) |
| sys.exit(not result.wasSuccessful()) |