263 lines
11 KiB
Go
263 lines
11 KiB
Go
package revoke
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import (
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"crypto/x509"
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"encoding/pem"
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"fmt"
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"os"
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"testing"
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"time"
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)
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// Originally from CFSSL, mostly written by me originally, and licensed under:
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/*
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Copyright (c) 2014 CloudFlare Inc.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
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TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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// I've modified it for use in my own code e.g. by removing the CFSSL errors
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// and replacing them with sane ones.
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// The first three test cases represent known revoked, expired, and good
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// certificates that were checked on the date listed in the log. The
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// good certificate will eventually need to be replaced in year 2029.
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// If there is a soft-fail, the test will pass to mimic the default
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// behaviour used in this software. However, it will print a warning
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// to indicate that this is the case.
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// 2014/05/22 14:18:17 Certificate expired 2014-04-04 14:14:20 +0000 UTC
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// 2014/05/22 14:18:17 Revoked certificate: misc/intermediate_ca/ActalisServerAuthenticationCA.crt
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var expiredCert = mustParse(`-----BEGIN CERTIFICATE-----
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MIIEXTCCA8agAwIBAgIEBycURTANBgkqhkiG9w0BAQUFADB1MQswCQYDVQQGEwJV
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UzEYMBYGA1UEChMPR1RFIENvcnBvcmF0aW9uMScwJQYDVQQLEx5HVEUgQ3liZXJU
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cnVzdCBTb2x1dGlvbnMsIEluYy4xIzAhBgNVBAMTGkdURSBDeWJlclRydXN0IEds
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b2JhbCBSb290MB4XDTA3MDQwNDE0MTUxNFoXDTE0MDQwNDE0MTQyMFowejELMAkG
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A1UEBhMCSVQxFzAVBgNVBAoTDkFjdGFsaXMgUy5wLkEuMScwJQYDVQQLEx5DZXJ0
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aWZpY2F0aW9uIFNlcnZpY2UgUHJvdmlkZXIxKTAnBgNVBAMTIEFjdGFsaXMgU2Vy
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dmVyIEF1dGhlbnRpY2F0aW9uIENBMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIB
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CgKCAQEAv6P0bhXbUQkVW8ox0HJ+sP5+j6pTwS7yg/wGEUektB/G1duQiT1v21fo
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LANr6F353jILQDCpHIfal3MhbSsHEMKU7XaqsyLWV93bcIKbIloS/eXDfkog6KB3
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u0JHgrtNz584Jg/OLm9feffNbCJ38TiLo0/UWkAQ6PQWaOwZEgyKjVI5F3swoTB3
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g0LZAzegvkU00Kfp13cSg+cJeU4SajwtfQ+g6s6dlaekaHy/0ef46PfiHHRuhEhE
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JWIpDtUN2ywTT33MSSUe5glDIiXYfcamJQrebzGsHEwyqI195Yaxb+FLNND4n3HM
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e7EI2OrLyT+r/WMvQbl+xNihwtv+HwIDAQABo4IBbzCCAWswEgYDVR0TAQH/BAgw
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BgEB/wIBADBTBgNVHSAETDBKMEgGCSsGAQQBsT4BADA7MDkGCCsGAQUFBwIBFi1o
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dHRwOi8vd3d3LnB1YmxpYy10cnVzdC5jb20vQ1BTL09tbmlSb290Lmh0bWwwDgYD
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VR0PAQH/BAQDAgEGMIGJBgNVHSMEgYEwf6F5pHcwdTELMAkGA1UEBhMCVVMxGDAW
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BgNVBAoTD0dURSBDb3Jwb3JhdGlvbjEnMCUGA1UECxMeR1RFIEN5YmVyVHJ1c3Qg
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U29sdXRpb25zLCBJbmMuMSMwIQYDVQQDExpHVEUgQ3liZXJUcnVzdCBHbG9iYWwg
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Um9vdIICAaUwRQYDVR0fBD4wPDA6oDigNoY0aHR0cDovL3d3dy5wdWJsaWMtdHJ1
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c3QuY29tL2NnaS1iaW4vQ1JMLzIwMTgvY2RwLmNybDAdBgNVHQ4EFgQUpi6OuXYt
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oxHC3cTezVLuraWpAFEwDQYJKoZIhvcNAQEFBQADgYEAAtjJBwjsvw7DBs+v7BQz
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gSGeg6nbYUuPL7+1driT5XsUKJ7WZjiwW2zW/WHZ+zGo1Ev8Dc574RpSrg/EIlfH
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TpBiBuFgiKtJksKdoxPZGSI8FitwcgeW+y8wotmm0CtDzWN27g2kfSqHb5eHfZY5
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sESPRwHkcMUNdAp37FLweUw=
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-----END CERTIFICATE-----`)
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// 2014/05/22 14:18:31 Serial number match: intermediate is revoked.
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// 2014/05/22 14:18:31 certificate is revoked via CRL
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// 2014/05/22 14:18:31 Revoked certificate: misc/intermediate_ca/MobileArmorEnterpriseCA.crt
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var revokedCert = mustParse(`-----BEGIN CERTIFICATE-----
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MIIEEzCCAvugAwIBAgILBAAAAAABGMGjftYwDQYJKoZIhvcNAQEFBQAwcTEoMCYG
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A1UEAxMfR2xvYmFsU2lnbiBSb290U2lnbiBQYXJ0bmVycyBDQTEdMBsGA1UECxMU
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Um9vdFNpZ24gUGFydG5lcnMgQ0ExGTAXBgNVBAoTEEdsb2JhbFNpZ24gbnYtc2Ex
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CzAJBgNVBAYTAkJFMB4XDTA4MDMxODEyMDAwMFoXDTE4MDMxODEyMDAwMFowJTEj
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MCEGA1UEAxMaTW9iaWxlIEFybW9yIEVudGVycHJpc2UgQ0EwggEiMA0GCSqGSIb3
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DQEBAQUAA4IBDwAwggEKAoIBAQCaEjeDR73jSZVlacRn5bc5VIPdyouHvGIBUxyS
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C6483HgoDlWrWlkEndUYFjRPiQqJFthdJxfglykXD+btHixMIYbz/6eb7hRTdT9w
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HKsfH+wTBIdb5AZiNjkg3QcCET5HfanJhpREjZWP513jM/GSrG3VwD6X5yttCIH1
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NFTDAr7aqpW/UPw4gcPfkwS92HPdIkb2DYnsqRrnKyNValVItkxJiotQ1HOO3YfX
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ivGrHIbJdWYg0rZnkPOgYF0d+aIA4ZfwvdW48+r/cxvLevieuKj5CTBZZ8XrFt8r
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JTZhZljbZvnvq/t6ZIzlwOj082f+lTssr1fJ3JsIPnG2lmgTAgMBAAGjgfcwgfQw
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DgYDVR0PAQH/BAQDAgEGMBIGA1UdEwEB/wQIMAYBAf8CAQEwHQYDVR0OBBYEFIZw
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ns4uzXdLX6xDRXUzFgZxWM7oME0GA1UdIARGMEQwQgYJKwYBBAGgMgE8MDUwMwYI
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KwYBBQUHAgIwJxolaHR0cDovL3d3dy5nbG9iYWxzaWduLmNvbS9yZXBvc2l0b3J5
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LzA/BgNVHR8EODA2MDSgMqAwhi5odHRwOi8vY3JsLmdsb2JhbHNpZ24ubmV0L1Jv
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b3RTaWduUGFydG5lcnMuY3JsMB8GA1UdIwQYMBaAFFaE7LVxpedj2NtRBNb65vBI
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UknOMA0GCSqGSIb3DQEBBQUAA4IBAQBZvf+2xUJE0ekxuNk30kPDj+5u9oI3jZyM
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wvhKcs7AuRAbcxPtSOnVGNYl8By7DPvPun+U3Yci8540y143RgD+kz3jxIBaoW/o
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c4+X61v6DBUtcBPEt+KkV6HIsZ61SZmc/Y1I2eoeEt6JYoLjEZMDLLvc1cK/+wpg
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dUZSK4O9kjvIXqvsqIOlkmh/6puSugTNao2A7EIQr8ut0ZmzKzMyZ0BuQhJDnAPd
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Kz5vh+5tmytUPKA8hUgmLWe94lMb7Uqq2wgZKsqun5DAWleKu81w7wEcOrjiiB+x
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jeBHq7OnpWm+ccTOPCE6H4ZN4wWVS7biEBUdop/8HgXBPQHWAdjL
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-----END CERTIFICATE-----`)
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// A Comodo intermediate CA certificate with issuer url, CRL url and OCSP url
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var goodComodoCA = (`-----BEGIN CERTIFICATE-----
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MIIGCDCCA/CgAwIBAgIQKy5u6tl1NmwUim7bo3yMBzANBgkqhkiG9w0BAQwFADCB
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hTELMAkGA1UEBhMCR0IxGzAZBgNVBAgTEkdyZWF0ZXIgTWFuY2hlc3RlcjEQMA4G
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A1UEBxMHU2FsZm9yZDEaMBgGA1UEChMRQ09NT0RPIENBIExpbWl0ZWQxKzApBgNV
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BAMTIkNPTU9ETyBSU0EgQ2VydGlmaWNhdGlvbiBBdXRob3JpdHkwHhcNMTQwMjEy
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MDAwMDAwWhcNMjkwMjExMjM1OTU5WjCBkDELMAkGA1UEBhMCR0IxGzAZBgNVBAgT
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EkdyZWF0ZXIgTWFuY2hlc3RlcjEQMA4GA1UEBxMHU2FsZm9yZDEaMBgGA1UEChMR
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Q09NT0RPIENBIExpbWl0ZWQxNjA0BgNVBAMTLUNPTU9ETyBSU0EgRG9tYWluIFZh
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bGlkYXRpb24gU2VjdXJlIFNlcnZlciBDQTCCASIwDQYJKoZIhvcNAQEBBQADggEP
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ADCCAQoCggEBAI7CAhnhoFmk6zg1jSz9AdDTScBkxwtiBUUWOqigwAwCfx3M28Sh
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bXcDow+G+eMGnD4LgYqbSRutA776S9uMIO3Vzl5ljj4Nr0zCsLdFXlIvNN5IJGS0
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Qa4Al/e+Z96e0HqnU4A7fK31llVvl0cKfIWLIpeNs4TgllfQcBhglo/uLQeTnaG6
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ytHNe+nEKpooIZFNb5JPJaXyejXdJtxGpdCsWTWM/06RQ1A/WZMebFEh7lgUq/51
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UHg+TLAchhP6a5i84DuUHoVS3AOTJBhuyydRReZw3iVDpA3hSqXttn7IzW3uLh0n
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c13cRTCAquOyQQuvvUSH2rnlG51/ruWFgqUCAwEAAaOCAWUwggFhMB8GA1UdIwQY
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MBaAFLuvfgI9+qbxPISOre44mOzZMjLUMB0GA1UdDgQWBBSQr2o6lFoL2JDqElZz
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30O0Oija5zAOBgNVHQ8BAf8EBAMCAYYwEgYDVR0TAQH/BAgwBgEB/wIBADAdBgNV
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HSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwGwYDVR0gBBQwEjAGBgRVHSAAMAgG
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BmeBDAECATBMBgNVHR8ERTBDMEGgP6A9hjtodHRwOi8vY3JsLmNvbW9kb2NhLmNv
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bS9DT01PRE9SU0FDZXJ0aWZpY2F0aW9uQXV0aG9yaXR5LmNybDBxBggrBgEFBQcB
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AQRlMGMwOwYIKwYBBQUHMAKGL2h0dHA6Ly9jcnQuY29tb2RvY2EuY29tL0NPTU9E
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T1JTQUFkZFRydXN0Q0EuY3J0MCQGCCsGAQUFBzABhhhodHRwOi8vb2NzcC5jb21v
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ZG9jYS5jb20wDQYJKoZIhvcNAQEMBQADggIBAE4rdk+SHGI2ibp3wScF9BzWRJ2p
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mj6q1WZmAT7qSeaiNbz69t2Vjpk1mA42GHWx3d1Qcnyu3HeIzg/3kCDKo2cuH1Z/
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e+FE6kKVxF0NAVBGFfKBiVlsit2M8RKhjTpCipj4SzR7JzsItG8kO3KdY3RYPBps
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P0/HEZrIqPW1N+8QRcZs2eBelSaz662jue5/DJpmNXMyYE7l3YphLG5SEXdoltMY
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dVEVABt0iN3hxzgEQyjpFv3ZBdRdRydg1vs4O2xyopT4Qhrf7W8GjEXCBgCq5Ojc
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2bXhc3js9iPc0d1sjhqPpepUfJa3w/5Vjo1JXvxku88+vZbrac2/4EjxYoIQ5QxG
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V/Iz2tDIY+3GH5QFlkoakdH368+PUq4NCNk+qKBR6cGHdNXJ93SrLlP7u3r7l+L4
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HyaPs9Kg4DdbKDsx5Q5XLVq4rXmsXiBmGqW5prU5wfWYQ//u+aen/e7KJD2AFsQX
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j4rBYKEMrltDR5FL1ZoXX/nUh8HCjLfn4g8wGTeGrODcQgPmlKidrv0PJFGUzpII
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0fxQ8ANAe4hZ7Q7drNJ3gjTcBpUC2JD5Leo31Rpg0Gcg19hCC0Wvgmje3WYkN5Ap
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lBlGGSW4gNfL1IYoakRwJiNiqZ+Gb7+6kHDSVneFeO/qJakXzlByjAA6quPbYzSf
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+AZxAeKCINT+b72x
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-----END CERTIFICATE-----`)
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var goodCert = mustParse(goodComodoCA)
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func mustParse(pemData string) *x509.Certificate {
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block, _ := pem.Decode([]byte(pemData))
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if block == nil {
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panic("Invalid PEM data.")
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} else if block.Type != "CERTIFICATE" {
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panic("Invalid PEM type.")
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}
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cert, err := x509.ParseCertificate([]byte(block.Bytes))
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if err != nil {
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panic(err.Error())
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}
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return cert
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}
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func TestRevoked(t *testing.T) {
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if revoked, ok := VerifyCertificate(revokedCert); !ok {
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fmt.Fprintf(os.Stderr, "Warning: soft fail checking revocation")
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} else if !revoked {
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t.Fatalf("revoked certificate should have been marked as revoked")
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}
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}
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func TestExpired(t *testing.T) {
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if revoked, ok := VerifyCertificate(expiredCert); !ok {
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fmt.Fprintf(os.Stderr, "Warning: soft fail checking revocation")
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} else if !revoked {
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t.Fatalf("expired certificate should have been marked as revoked")
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}
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}
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func TestGood(t *testing.T) {
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if revoked, ok := VerifyCertificate(goodCert); !ok {
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fmt.Fprintf(os.Stderr, "Warning: soft fail checking revocation")
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} else if revoked {
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t.Fatalf("good certificate should not have been marked as revoked")
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}
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}
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func TestLdap(t *testing.T) {
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ldapCert := mustParse(goodComodoCA)
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ldapCert.CRLDistributionPoints = append(ldapCert.CRLDistributionPoints, "ldap://myldap.example.com")
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if revoked, ok := VerifyCertificate(ldapCert); revoked || !ok {
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t.Fatalf("ldap certificate should have been recognized")
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}
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}
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func TestLdapURLErr(t *testing.T) {
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if ldapURL(":") {
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t.Fatalf("bad url does not cause error")
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}
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}
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func TestCertNotYetValid(t *testing.T) {
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notReadyCert := expiredCert
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notReadyCert.NotBefore = time.Date(3000, time.January, 1, 1, 1, 1, 1, time.Local)
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notReadyCert.NotAfter = time.Date(3005, time.January, 1, 1, 1, 1, 1, time.Local)
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if revoked, _ := VerifyCertificate(expiredCert); !revoked {
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t.Fatalf("not yet verified certificate should have been marked as revoked")
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}
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}
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func TestCRLFetchError(t *testing.T) {
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ldapCert := mustParse(goodComodoCA)
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ldapCert.CRLDistributionPoints[0] = ""
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if revoked, ok := VerifyCertificate(ldapCert); ok || revoked {
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t.Fatalf("Fetching error not encountered")
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}
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HardFail = true
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if revoked, ok := VerifyCertificate(ldapCert); ok || !revoked {
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t.Fatalf("Fetching error not encountered, hardfail not registered")
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}
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HardFail = false
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}
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func TestBadCRLSet(t *testing.T) {
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ldapCert := mustParse(goodComodoCA)
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ldapCert.CRLDistributionPoints[0] = ""
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CRLSet[""] = nil
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certIsRevokedCRL(ldapCert, "")
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if _, ok := CRLSet[""]; ok {
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t.Fatalf("key emptystring should be deleted from CRLSet")
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}
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delete(CRLSet, "")
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}
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func TestCachedCRLSet(t *testing.T) {
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VerifyCertificate(goodCert)
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if revoked, ok := VerifyCertificate(goodCert); !ok || revoked {
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t.Fatalf("Previously fetched CRL's should be read smoothly and unrevoked")
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}
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}
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func TestRemoteFetchError(t *testing.T) {
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badurl := ":"
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if _, err := fetchRemote(badurl); err == nil {
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t.Fatalf("fetching bad url should result in non-nil error")
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}
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}
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func TestNoOCSPServers(t *testing.T) {
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badIssuer := goodCert
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badIssuer.IssuingCertificateURL = []string{" "}
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certIsRevokedOCSP(badIssuer, true)
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noOCSPCert := goodCert
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noOCSPCert.OCSPServer = make([]string, 0)
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if revoked, ok, _ := certIsRevokedOCSP(noOCSPCert, true); revoked || !ok {
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t.Fatalf("OCSP falsely registered as enabled for this certificate")
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}
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}
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