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https://github.com/Grasscutters/mitmproxy.git
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Better certificate parsing.
This commit is contained in:
Aldo Cortesi
parent
00942c1431
commit
2ba8296843
@ -513,7 +513,7 @@ def get_remote_cn(host, port):
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CNRE = re.compile(
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r"""
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Subject:.*CN=(\S*)
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Subject:.*CN=([^ \t\n\r\f\v/]*)
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""",
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re.VERBOSE|re.MULTILINE
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)
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@ -524,8 +524,6 @@ SANRE = re.compile(
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""",
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re.VERBOSE|re.MULTILINE
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)
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def parse_text_cert(txt):
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"""
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Returns a (common name, [subject alternative names]) tuple.
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83
test/data/text_cert_2
Normal file
83
test/data/text_cert_2
Normal file
@ -0,0 +1,83 @@
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Certificate:
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Data:
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Version: 3 (0x2)
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Serial Number: 67908 (0x10944)
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Signature Algorithm: sha1WithRSAEncryption
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Issuer: C=IL, O=StartCom Ltd., OU=Secure Digital Certificate Signing, CN=StartCom Class 1 Primary Intermediate Server CA
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Validity
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Not Before: Jan 11 19:27:36 2010 GMT
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Not After : Jan 12 09:14:55 2011 GMT
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Subject: description=126832-MCxLsY6Tn1gm7o90, C=NZ, O=Persona Not Validated, OU=StartCom Free Certificate Member, CN=www.inode.co.nz/emailAddress=jim@inode.co.nz
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Subject Public Key Info:
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Public Key Algorithm: rsaEncryption
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RSA Public Key: (2048 bit)
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Modulus (2048 bit):
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00:be:a0:85:69:46:86:a8:3e:57:43:f9:f1:1d:d2:
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bc:b4:62:3b:d3:ab:75:e9:03:c7:39:90:6c:ac:10:
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71:cd:39:7e:b9:c5:e5:9f:6f:4f:a8:1a:ed:83:ae:
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5d:57:97:c6:16:02:02:8d:27:af:a2:88:fb:2f:cb:
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c7:e4:07:bc:fe:56:d2:72:9b:b3:eb:2f:cd:44:04:
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ae:ad:99:64:5c:21:87:57:b5:2d:b5:5c:72:b3:70:
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90:75:33:28:ea:b4:4d:36:95:75:4e:24:f2:40:d0:
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cf:36:05:f6:d4:d9:6f:e1:b9:1e:fd:41:26:3a:70:
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63:07:bc:3f:87:00:88:f2:4f:ac:51:4e:29:3c:92:
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cc:7a:a2:62:c5:e5:c7:eb:d1:d6:5d:5e:df:32:9a:
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be:17:7e:2d:54:a8:2d:65:97:6f:5d:f2:28:e0:ea:
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ea:f9:ee:88:78:d4:25:79:7c:09:f5:65:06:1a:06:
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a2:d5:d4:e0:94:79:71:bb:86:a1:6f:fc:fa:b9:30:
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11:d5:fe:62:80:af:54:2a:a0:77:1f:48:91:11:41:
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ea:e5:9f:37:aa:1c:52:21:6f:84:0d:1e:92:73:be:
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7b:0b:95:7d:12:e2:21:a4:83:07:ca:4d:c9:45:95:
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aa:ee:27:80:55:ad:58:ed:4e:61:98:34:23:fd:f6:
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06:47
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Exponent: 65537 (0x10001)
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X509v3 extensions:
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X509v3 Basic Constraints:
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CA:FALSE
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X509v3 Key Usage:
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Digital Signature, Key Encipherment, Key Agreement
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X509v3 Extended Key Usage:
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TLS Web Server Authentication
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X509v3 Subject Key Identifier:
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1F:68:BD:91:8F:AA:FC:89:19:41:4E:0A:69:80:4E:D9:67:95:93:53
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X509v3 Authority Key Identifier:
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keyid:EB:42:34:D0:98:B0:AB:9F:F4:1B:6B:08:F7:CC:64:2E:EF:0E:2C:45
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X509v3 Subject Alternative Name:
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DNS:www.inode.co.nz, DNS:inode.co.nz
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X509v3 Certificate Policies:
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Policy: 1.3.6.1.4.1.23223.1.2.1
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CPS: http://www.startssl.com/policy.pdf
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CPS: http://www.startssl.com/intermediate.pdf
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User Notice:
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Organization: StartCom Ltd.
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Number: 1
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Explicit Text: Limited Liability, see section *Legal Limitations* of the StartCom Certification Authority Policy available at http://www.startssl.com/policy.pdf
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X509v3 CRL Distribution Points:
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URI:http://www.startssl.com/crt1-crl.crl
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URI:http://crl.startssl.com/crt1-crl.crl
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Authority Information Access:
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OCSP - URI:http://ocsp.startssl.com/sub/class1/server/ca
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CA Issuers - URI:http://www.startssl.com/certs/sub.class1.server.ca.crt
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X509v3 Issuer Alternative Name:
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URI:http://www.startssl.com/
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Signature Algorithm: sha1WithRSAEncryption
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8a:f5:88:0f:42:93:f2:ad:44:cd:6c:f2:f8:17:9c:b0:5a:f2:
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85:08:6e:2c:57:c0:b0:f9:07:aa:93:5d:f4:e7:e4:45:2b:46:
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06:e2:65:2d:7f:bd:0d:0f:53:ce:3a:ae:b5:d6:36:6e:e3:41:
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b8:39:fb:d5:bb:99:2b:e6:39:7e:68:eb:db:ca:c0:4f:af:96:
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31:df:8a:9c:29:79:58:b4:f9:20:e4:ba:67:db:37:71:e7:39:
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4c:54:1b:98:e1:a5:7a:94:92:f5:0e:93:b3:d2:ac:5c:e1:c7:
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42:f0:e4:41:e0:ea:39:5d:94:a9:d8:17:20:0c:85:9b:97:9f:
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48:bf:49:5c:f5:e7:b5:16:ae:b0:db:b6:b3:c1:76:07:6a:d1:
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25:ee:23:3d:f9:d4:cb:62:ef:63:c3:96:d5:8b:e3:50:0f:be:
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be:97:56:45:d7:d4:6c:94:29:e7:99:91:7d:a6:0c:3d:19:f2:
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52:6d:f4:94:02:36:ed:06:b1:81:03:c5:3a:a0:de:65:49:b9:
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96:56:f9:78:51:bf:07:77:fc:ee:e8:60:f9:8d:68:13:29:1b:
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12:f6:6b:20:53:78:86:2b:61:8a:84:34:b5:bf:b9:ec:52:a4:
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90:6d:ac:5b:7b:9e:98:d8:90:c3:6a:ab:12:8f:c6:00:c6:f5:
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70:8e:74:46
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@ -265,6 +265,12 @@ class uparse_text_cert(libpry.AutoTree):
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assert cn == "google.com"
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assert len(san) == 436
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c = file("data/text_cert_2", "r").read()
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cn, san = utils.parse_text_cert(c)
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assert cn == "www.inode.co.nz"
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assert len(san) == 2
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tests = [
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uparse_text_cert(),
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24
test/tools/getcert
Executable file
24
test/tools/getcert
Executable file
@ -0,0 +1,24 @@
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#!/usr/bin/env python
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import sys
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sys.path.insert(0, "../..")
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import socket, tempfile, ssl, subprocess
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addr = socket.gethostbyname(sys.argv[1])
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s = ssl.get_server_certificate((addr, 443))
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f = tempfile.NamedTemporaryFile()
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f.write(s)
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f.flush()
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p = subprocess.Popen(
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[
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"openssl",
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"x509",
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"-in", f.name,
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"-text",
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"-noout"
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],
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stdout = subprocess.PIPE
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)
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out, _ = p.communicate()
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print out
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