From 9f088f39174614c4d28937e4d0a3afa93601ed86 Mon Sep 17 00:00:00 2001 From: Christian Heimes Date: Fri, 5 Aug 2016 12:47:58 +0200 Subject: [PATCH] Fix handling of GEN_RID in X.509 subjectAltName field --- Lib/test/allsans.pem | 37 ++++++++++++++++++++++++++++++++++ Lib/test/make_ssl_certs.py | 49 ++++++++++++++++++++++++++++++++++++++++++---- Lib/test/test_ssl.py | 23 ++++++++++++++++++++++ Modules/_ssl.c | 35 ++++++++++++++++++++++++++++++++- 4 files changed, 139 insertions(+), 5 deletions(-) create mode 100644 Lib/test/allsans.pem diff --git a/Lib/test/allsans.pem b/Lib/test/allsans.pem new file mode 100644 index 0000000000000000000000000000000000000000..3ee4f59513abfedd6d61b5115315924e528d8d30 --- /dev/null +++ b/Lib/test/allsans.pem @@ -0,0 +1,37 @@ +-----BEGIN PRIVATE KEY----- +MIICdgIBADANBgkqhkiG9w0BAQEFAASCAmAwggJcAgEAAoGBAOoy7/QOtTjQ0niE +6uDcTwtkC0R2Tvy1AjVnXohCntZfdzbTGDoYTgXSOLsP8A697jUiJ8VCePGH50xG +Z4DKnAF3a9O3a9nr2pLXb0iY3XOMv+YEBii7CfI+3oxFYgCl0sMgHzDD2ZTVYAsm +DWgLUVsE2gHEccRwrM2tPf2EgR+FAgMBAAECgYEA3qyfyYVSeTrTYxO93x6ZaVMu +A2IZp9zSxMQL9bKiI2GRj+cV2ebSCGbg2btFnD6qBor7FWsmYz+8g6FNN/9sY4az +61rMqMtQvLBe+7L8w70FeTze4qQ4Y1oQri0qD6tBWhDVlpnbI5Py9bkZKD67yVUk +elcEA/5x4PrYXkuqsAECQQD80NjT0mDvaY0JOOaQFSEpMv6QiUA8GGX8Xli7IoKb +tAolPG8rQBa+qSpcWfDMTrWw/aWHuMEEQoP/bVDH9W4FAkEA7SYQbBAKnojZ5A3G +kOHdV7aeivRQxQk/JN8Fb8oKB9Csvpv/BsuGxPKXHdhFa6CBTTsNRtHQw/szPo4l +xMIjgQJAPoMxqibR+0EBM6+TKzteSL6oPXsCnBl4Vk/J5vPgkbmR7KUl4+7j8N8J +b2554TrxKEN/w7CGYZRE6UrRd7ATNQJAWD7Yz41sli+wfPdPU2xo1BHljyl4wMk/ +EPZYbI/PCbdyAH/F935WyQTIjNeEhZc1Zkq6FwdOWw8ns3hrv3rKgQJAHXv1BqUa +czGPIFxX2TNoqtcl6/En4vrxVB1wzsfzkkDAg98kBl7qsF+S3qujSzKikjeaVbI2 +/CyWR2P3yLtOmA== +-----END PRIVATE KEY----- +-----BEGIN CERTIFICATE----- +MIIDcjCCAtugAwIBAgIJAN5dc9TOWjB7MA0GCSqGSIb3DQEBCwUAMF0xCzAJBgNV +BAYTAlhZMRcwFQYDVQQHDA5DYXN0bGUgQW50aHJheDEjMCEGA1UECgwaUHl0aG9u +IFNvZnR3YXJlIEZvdW5kYXRpb24xEDAOBgNVBAMMB2FsbHNhbnMwHhcNMTYwODA1 +MTAyMTExWhcNMjYwODAzMTAyMTExWjBdMQswCQYDVQQGEwJYWTEXMBUGA1UEBwwO +Q2FzdGxlIEFudGhyYXgxIzAhBgNVBAoMGlB5dGhvbiBTb2Z0d2FyZSBGb3VuZGF0 +aW9uMRAwDgYDVQQDDAdhbGxzYW5zMIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKB +gQDqMu/0DrU40NJ4hOrg3E8LZAtEdk78tQI1Z16IQp7WX3c20xg6GE4F0ji7D/AO +ve41IifFQnjxh+dMRmeAypwBd2vTt2vZ69qS129ImN1zjL/mBAYouwnyPt6MRWIA +pdLDIB8ww9mU1WALJg1oC1FbBNoBxHHEcKzNrT39hIEfhQIDAQABo4IBODCCATQw +ggEwBgNVHREEggEnMIIBI4IHYWxsc2Fuc6AeBgMqAwSgFwwVc29tZSBvdGhlciBp +ZGVudGlmaWVyoDUGBisGAQUCAqArMCmgEBsOS0VSQkVST1MuUkVBTE2hFTAToAMC +AQGhDDAKGwh1c2VybmFtZYEQdXNlckBleGFtcGxlLm9yZ4IPd3d3LmV4YW1wbGUu +b3JnpGcwZTELMAkGA1UEBhMCWFkxFzAVBgNVBAcMDkNhc3RsZSBBbnRocmF4MSMw +IQYDVQQKDBpQeXRob24gU29mdHdhcmUgRm91bmRhdGlvbjEYMBYGA1UEAwwPZGly +bmFtZSBleGFtcGxlhhdodHRwczovL3d3dy5weXRob24ub3JnL4cEfwAAAYcQAAAA +AAAAAAAAAAAAAAAAAYgEKgMEBTANBgkqhkiG9w0BAQsFAAOBgQAy16h+F+nOmeiT +VWR0fc8F/j6FcadbLseAUaogcC15OGxCl4UYpLV88HBkABOoGCpP155qwWTwOrdG +iYPGJSusf1OnJEbvzFejZf6u078bPd9/ZL4VWLjv+FPGkjd+N+/OaqMvgj8Lu99f +3Y/C4S7YbHxxwff6C6l2Xli+q6gnuQ== +-----END CERTIFICATE----- diff --git a/Lib/test/make_ssl_certs.py b/Lib/test/make_ssl_certs.py index e4326d7b33516595702ed21efd385a50921d0e15..4d9f01ba6a8e91388f79a68d8a8c125d06e9d525 100644 --- a/Lib/test/make_ssl_certs.py +++ b/Lib/test/make_ssl_certs.py @@ -19,7 +19,28 @@ req_template = """ CN = {hostname} [req_x509_extensions] - subjectAltName = DNS:{hostname} + subjectAltName = @san + + [san] + DNS.1 = {hostname} + {extra_san} + + [dir_sect] + C = XY + L = Castle Anthrax + O = Python Software Foundation + CN = dirname example + + [princ_name] + realm = EXP:0, GeneralString:KERBEROS.REALM + principal_name = EXP:1, SEQUENCE:principal_seq + + [principal_seq] + name_type = EXP:0, INTEGER:1 + name_string = EXP:1, SEQUENCE:principals + + [principals] + princ1 = GeneralString:username [ ca ] default_ca = CA_default @@ -66,7 +87,7 @@ req_template = """ here = os.path.abspath(os.path.dirname(__file__)) -def make_cert_key(hostname, sign=False): +def make_cert_key(hostname, sign=False, extra_san=''): print("creating cert for " + hostname) tempnames = [] for i in range(3): @@ -74,8 +95,9 @@ def make_cert_key(hostname, sign=False): tempnames.append(f.name) req_file, cert_file, key_file = tempnames try: + req = req_template.format(hostname=hostname, extra_san=extra_san) with open(req_file, 'w') as f: - f.write(req_template.format(hostname=hostname)) + f.write(req) args = ['req', '-new', '-days', '3650', '-nodes', '-newkey', 'rsa:1024', '-keyout', key_file, '-config', req_file] @@ -119,7 +141,7 @@ def make_ca(): f.write('unique_subject = no') with tempfile.NamedTemporaryFile("w") as t: - t.write(req_template.format(hostname='our-ca-server')) + t.write(req_template.format(hostname='our-ca-server', extra_san='')) t.flush() with tempfile.NamedTemporaryFile() as f: args = ['req', '-new', '-days', '3650', '-extensions', 'v3_ca', '-nodes', @@ -170,6 +192,25 @@ if __name__ == '__main__': f.write(key) f.write(cert) + extra_san = [ + 'otherName.1 = 1.2.3.4;UTF8:some other identifier', + 'otherName.2 = 1.3.6.1.5.2.2;SEQUENCE:princ_name', + 'email.1 = user@example.org', + 'DNS.2 = www.example.org', + # GEN_X400 + 'dirName.1 = dir_sect', + # GEN_EDIPARTY + 'URI.1 = https://www.python.org/', + 'IP.1 = 127.0.0.1', + 'IP.2 = ::1', + 'RID.1 = 1.2.3.4.5', + ] + + cert, key = make_cert_key('allsans', extra_san='\n'.join(extra_san)) + with open('allsans.pem', 'w') as f: + f.write(key) + f.write(cert) + unmake_ca() print("\n\nPlease change the values in test_ssl.py, test_parse_cert function related to notAfter,notBefore and serialNumber") check_call(['openssl','x509','-in','keycert.pem','-dates','-serial','-noout']) diff --git a/Lib/test/test_ssl.py b/Lib/test/test_ssl.py index 6cd5454ab4d06fdfff0b295b35b90938476aeec9..08042d9c070e6826a0ab08a60c6aadbe0199abcd 100644 --- a/Lib/test/test_ssl.py +++ b/Lib/test/test_ssl.py @@ -62,6 +62,8 @@ SIGNED_CERTFILE = data_file("keycert3.pem") SIGNED_CERTFILE2 = data_file("keycert4.pem") # Same certificate as pycacert.pem, but without extra text in file SIGNING_CA = data_file("capath", "ceff1710.0") +# cert with all kinds of subject alt names +ALLSANFILE = data_file("allsans.pem") REMOTE_HOST = "self-signed.pythontest.net" @@ -283,6 +285,27 @@ class BasicSocketTests(unittest.TestCase): self.assertEqual(p['subjectAltName'], san) + def test_parse_all_sans(self): + p = ssl._ssl._test_decode_cert(ALLSANFILE) + self.assertEqual(p['subjectAltName'], + ( + ('DNS', 'allsans'), + ('othername', ''), + ('othername', ''), + ('email', 'user@example.org'), + ('DNS', 'www.example.org'), + ('DirName', + ((('countryName', 'XY'),), + (('localityName', 'Castle Anthrax'),), + (('organizationName', 'Python Software Foundation'),), + (('commonName', 'dirname example'),))), + ('URI', 'https://www.python.org/'), + ('IP Address', '127.0.0.1'), + ('IP Address', '0:0:0:0:0:0:0:1\n'), + ('Registered ID', '1.2.3.4.5') + ) + ) + def test_DER_to_PEM(self): with open(CAFILE_CACERT, 'r') as f: pem = f.read() diff --git a/Modules/_ssl.c b/Modules/_ssl.c index 8a4654a7be5c405bb612b36208e6c152c9c88453..716a1c4e350ffe183354c0eeb24f25ba24ddd8dc 100644 --- a/Modules/_ssl.c +++ b/Modules/_ssl.c @@ -936,6 +936,35 @@ _get_peer_alt_names (X509 *certificate) { PyTuple_SET_ITEM(t, 1, v); break; + case GEN_RID: + t = PyTuple_New(2); + if (t == NULL) + goto fail; + + v = PyUnicode_FromString("Registered ID"); + if (v == NULL) { + Py_DECREF(t); + goto fail; + } + PyTuple_SET_ITEM(t, 0, v); + + len = i2t_ASN1_OBJECT(buf, sizeof(buf)-1, name->d.rid); + if (len < 0) { + Py_DECREF(t); + _setSSLError(NULL, 0, __FILE__, __LINE__); + goto fail; + } else if (len >= (int)sizeof(buf)) { + v = PyUnicode_FromString(""); + } else { + v = PyUnicode_FromStringAndSize(buf, len); + } + if (v == NULL) { + Py_DECREF(t); + goto fail; + } + PyTuple_SET_ITEM(t, 1, v); + break; + default: /* for everything else, we use the OpenSSL print form */ switch (gntype) { @@ -962,8 +991,12 @@ _get_peer_alt_names (X509 *certificate) { goto fail; } vptr = strchr(buf, ':'); - if (vptr == NULL) + if (vptr == NULL) { + PyErr_Format(PyExc_ValueError, + "Invalid value %.200s", + buf); goto fail; + } t = PyTuple_New(2); if (t == NULL) goto fail; -- 2.7.4