diff --git a/selfsign/selfsign.go b/selfsign/selfsign.go index c7f71d237..b77d4eb8a 100644 --- a/selfsign/selfsign.go +++ b/selfsign/selfsign.go @@ -46,6 +46,7 @@ func parseCertificateRequest(priv crypto.Signer, csrBytes []byte) (template *x50 EmailAddresses: csr.EmailAddresses, IPAddresses: csr.IPAddresses, URIs: csr.URIs, + ExtraExtensions: csr.Extensions, } return diff --git a/selfsign/selfsign_test.go b/selfsign/selfsign_test.go index af38aebb9..afac6bf57 100644 --- a/selfsign/selfsign_test.go +++ b/selfsign/selfsign_test.go @@ -3,6 +3,7 @@ package selfsign import ( "crypto/x509" "encoding/pem" + "encoding/asn1" "net" "net/url" "os" @@ -19,6 +20,8 @@ const ( csrFile = "testdata/localhost.csr" csr2File = "testdata/sans.csr" + + extCsrFile = "testdata/extension.csr" ) func TestDefaultSign(t *testing.T) { @@ -101,3 +104,54 @@ func TestSANs(t *testing.T) { } } + +func TestExtensions(t *testing.T){ + csrBytes, err := os.ReadFile(extCsrFile) + if err != nil { + t.Fatal(err) + } + keyBytes, err := os.ReadFile(keyFile) + if err != nil { + t.Fatal(err) + } + + priv, err := helpers.ParsePrivateKeyPEM(keyBytes) + if err != nil { + t.Fatal(err) + } + + profile := config.DefaultConfig() + profile.Expiry = 10 * time.Hour + + certData, err := Sign(priv, csrBytes, profile) + if err != nil { + t.Fatal(err) + } + + cert, err := helpers.ParseCertificatePEM(certData) + if err != nil { + t.Fatal(err) + } + + // Testing for 1.3.6.1.4.1.311.84.1.1=ASN1:UTF8String:example1 + extFound := false + sampleCustomOid := asn1.ObjectIdentifier{1,3,6,1,4,1,311,84,1,1} + sampleValue := "example1" + + for _, e := range cert.Extensions { + if(e.Id.Equal(sampleCustomOid) ){ + var extValue string + _, err = asn1.Unmarshal(e.Value, &extValue) + if err != nil { + t.Fatal(err) + } + if(extValue == sampleValue){ + extFound = true + } + } + } + + if !extFound { + t.Errorf("Custom x509 extension not found in certificate.") + } +} diff --git a/selfsign/testdata/extension.csr b/selfsign/testdata/extension.csr new file mode 100644 index 000000000..1bc4f2e37 --- /dev/null +++ b/selfsign/testdata/extension.csr @@ -0,0 +1,95 @@ +Certificate Request: + Data: + Version: 1 (0x0) + Subject: CN = example.com, C = ER, ST = Everywhere, L = Somewhere + Subject Public Key Info: + Public Key Algorithm: rsaEncryption + RSA Public-Key: (3072 bit) + Modulus: + 00:c2:9f:3d:fb:4e:2d:06:d6:6e:b2:21:2e:66:cf: + 72:41:91:81:32:27:09:1f:16:b4:1c:5a:4e:7a:91: + 58:e3:dc:d8:7a:f8:44:95:dc:94:4d:cf:49:d7:d6: + 5c:56:b7:ec:40:2f:a9:fd:2f:e5:26:9d:b4:5d:ea: + 8d:07:1d:34:c4:73:3c:7b:a3:3c:1e:f3:62:24:71: + aa:7c:ac:9a:41:33:11:78:87:50:8b:a7:01:17:e2: + cc:4e:bd:68:dd:09:2e:25:04:db:81:f8:01:87:15: + a2:e4:be:03:48:23:1f:e6:ef:f1:0f:69:96:7e:dc: + 7d:f0:d1:7e:43:b2:3a:5e:69:94:ce:94:b9:cd:75: + ff:0d:b1:6c:9f:75:3a:e5:c2:17:f4:cc:23:f9:44: + 45:bf:ca:e8:68:c0:52:c2:45:9f:85:aa:89:1a:50: + 20:99:fa:e8:b1:1d:3e:7d:a2:ff:67:33:a5:42:38: + 28:3d:c5:65:70:9d:2f:67:5f:ab:5b:04:d0:77:65: + ae:9d:78:01:0d:54:cf:38:e6:0e:b0:d9:e8:ec:26: + bf:5c:2b:96:5b:51:90:01:3a:6f:ae:f8:77:cc:88: + 39:18:f7:6d:81:93:2d:b4:6d:6d:5b:6c:62:d9:58: + d6:ba:74:cc:17:2f:45:77:d1:aa:4b:d1:6b:d2:f1: + 97:89:b6:7d:26:9e:68:b5:07:74:b9:7e:3c:06:4e: + 4b:1e:cb:4c:88:02:bc:f9:27:8f:2e:7b:ff:dc:af: + 83:90:71:0e:71:3c:02:79:ea:4d:e5:42:23:a0:7d: + 31:3b:45:78:ff:1f:6a:e5:50:82:eb:0a:48:7d:59: + c9:40:3d:33:3d:fa:99:88:71:27:05:90:c7:50:4f: + e6:8b:99:c9:03:33:30:8c:8d:d6:58:4b:ed:18:7e: + 5c:46:2a:d9:23:8e:56:0e:45:7d:5d:ee:ef:b8:7f: + d3:f5:f6:c3:9e:ec:26:3c:23:18:56:2e:d2:3a:5b: + 8d:d3:9f:6b:3d:f4:f7:51:ec:93 + Exponent: 65537 (0x10001) + Attributes: + Requested Extensions: + X509v3 Subject Key Identifier: + 14:1E:80:FB:13:4C:2E:A3:99:BE:0C:DE:6F:FE:76:1A:E5:55:6D:2D + X509v3 Key Usage: critical + Digital Signature, Key Encipherment + X509v3 Extended Key Usage: critical + TLS Web Server Authentication, TLS Web Client Authentication + 1.3.6.1.4.1.311.84.1.1: + ..example1 + X509v3 Subject Alternative Name: + DNS:example.com + Signature Algorithm: sha256WithRSAEncryption + a6:28:f3:bf:2a:eb:1b:85:24:57:10:f2:0e:ac:4c:af:0f:fb: + b0:e0:19:2c:9c:a8:b4:a9:29:f0:10:68:66:67:dd:fd:db:be: + 3d:33:fb:50:4a:ad:74:0a:8d:9f:4e:6e:8b:22:e8:1f:9b:d4: + ad:d4:9e:20:aa:e0:60:01:81:c5:1c:36:6c:e2:df:53:0e:34: + 42:d3:77:6e:fa:8b:45:1f:13:cc:56:6a:c0:65:8b:d1:33:b8: + 01:3d:06:99:41:16:e9:5b:11:6a:a3:0b:b3:e3:df:cb:5d:34: + 13:dd:59:c2:69:be:c9:73:f5:92:19:52:ba:33:30:bd:38:c5: + 34:3a:ed:b3:cc:5f:2a:83:e2:6d:d9:e0:7c:b7:b3:6a:26:52: + 4c:dd:fd:6a:50:42:35:4b:60:aa:4c:66:dc:fe:08:ca:ca:2d: + 2e:aa:78:81:af:84:8f:da:db:fe:54:e6:f1:94:0e:59:36:de: + c8:4a:bf:ea:ce:e1:83:11:07:b3:ca:f5:98:eb:d8:ff:0c:f0: + 1d:97:ec:b2:dd:f5:01:4e:29:42:45:ba:45:ee:13:77:50:92: + 7e:17:01:d0:b5:03:29:01:f3:72:d6:28:d1:ad:86:a5:9e:c8: + 4e:43:c9:09:de:45:eb:1b:c4:ed:10:45:2c:74:6e:66:8a:81: + 8d:4d:54:72:7d:42:60:32:57:6f:ea:b3:76:96:58:68:3a:45: + bb:78:3d:60:9d:4d:8a:27:f4:31:fd:df:7b:97:08:3b:9d:84: + 14:47:6a:31:99:94:f5:0e:66:bd:62:5c:59:80:6d:a9:5e:dc: + a0:a5:0f:be:ec:e3:d5:36:07:b8:39:80:2e:26:aa:18:fe:bf: + 77:ac:85:d9:4d:08:08:e2:9f:d5:57:88:45:54:b0:a6:e8:3e: + 90:41:19:c3:a7:b6:df:eb:5a:d6:0d:4d:92:3b:94:cf:16:45: + cb:67:52:f4:5d:4e:e7:18:cb:ba:9f:a4:50:21:3d:ab:38:48: + 05:9f:bf:1c:72:b5 +-----BEGIN CERTIFICATE REQUEST----- +MIIEKTCCApECAQAwTDEUMBIGA1UEAwwLZXhhbXBsZS5jb20xCzAJBgNVBAYTAkVS +MRMwEQYDVQQIDApFdmVyeXdoZXJlMRIwEAYDVQQHDAlTb21ld2hlcmUwggGiMA0G +CSqGSIb3DQEBAQUAA4IBjwAwggGKAoIBgQDCnz37Ti0G1m6yIS5mz3JBkYEyJwkf +FrQcWk56kVjj3Nh6+ESV3JRNz0nX1lxWt+xAL6n9L+UmnbRd6o0HHTTEczx7ozwe +82Ikcap8rJpBMxF4h1CLpwEX4sxOvWjdCS4lBNuB+AGHFaLkvgNIIx/m7/EPaZZ+ +3H3w0X5DsjpeaZTOlLnNdf8NsWyfdTrlwhf0zCP5REW/yuhowFLCRZ+FqokaUCCZ ++uixHT59ov9nM6VCOCg9xWVwnS9nX6tbBNB3Za6deAENVM845g6w2ejsJr9cK5Zb +UZABOm+u+HfMiDkY922Bky20bW1bbGLZWNa6dMwXL0V30apL0WvS8ZeJtn0mnmi1 +B3S5fjwGTksey0yIArz5J48ue//cr4OQcQ5xPAJ56k3lQiOgfTE7RXj/H2rlUILr +Ckh9WclAPTM9+pmIcScFkMdQT+aLmckDMzCMjdZYS+0YflxGKtkjjlYORX1d7u+4 +f9P19sOe7CY8IxhWLtI6W43Tn2s99PdR7JMCAwEAAaCBlzCBlAYJKoZIhvcNAQkO +MYGGMIGDMB0GA1UdDgQWBBQUHoD7E0wuo5m+DN5v/nYa5VVtLTAOBgNVHQ8BAf8E +BAMCBaAwIAYDVR0lAQH/BBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMBgGCisGAQQB +gjdUAQEECgwIZXhhbXBsZTEwFgYDVR0RBA8wDYILZXhhbXBsZS5jb20wDQYJKoZI +hvcNAQELBQADggGBAKYo878q6xuFJFcQ8g6sTK8P+7DgGSycqLSpKfAQaGZn3f3b +vj0z+1BKrXQKjZ9Obosi6B+b1K3UniCq4GABgcUcNmzi31MONELTd276i0UfE8xW +asBli9EzuAE9BplBFulbEWqjC7Pj38tdNBPdWcJpvslz9ZIZUrozML04xTQ67bPM +XyqD4m3Z4Hy3s2omUkzd/WpQQjVLYKpMZtz+CMrKLS6qeIGvhI/a2/5U5vGUDlk2 +3shKv+rO4YMRB7PK9Zjr2P8M8B2X7LLd9QFOKUJFukXuE3dQkn4XAdC1AykB83LW +KNGthqWeyE5DyQneResbxO0QRSx0bmaKgY1NVHJ9QmAyV2/qs3aWWGg6Rbt4PWCd +TYon9DH933uXCDudhBRHajGZlPUOZr1iXFmAbale3KClD77s49U2B7g5gC4mqhj+ +v3eshdlNCAjin9VXiEVUsKboPpBBGcOntt/rWtYNTZI7lM8WRctnUvRdTucYy7qf +pFAhPas4SAWfvxxytQ== +-----END CERTIFICATE REQUEST-----