mirror of
https://github.com/adulau/crl-monitor.git
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39 lines
1.1 KiB
Python
39 lines
1.1 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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#
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# Tool to parse output of ssldump (not compiled with OpenSSL) to dump raw certificate
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#
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# Software is free software released under the GNU General Public License version 3 and later
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#
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# Copyright (c) 2015 Alexandre Dulaunoy - a@foo.be
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import fileinput
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import re
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import binascii
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import OpenSSL
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cert = None
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certstring = ""
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certtag = re.compile('^\s+Certificate\s*$')
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certtagend = re.compile('^\S+')
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for l in fileinput.input():
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if certtag.match(l):
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cert = True
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continue
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elif certtagend.match(l):
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cert = None
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if (cert is True):
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certstring += l.rstrip('\n')
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if ((cert is None) and (len(certstring) > 0)):
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y = re.sub(" ", "", certstring).split('=')
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a = y[1].split('certificate')[0]
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dercert = binascii.unhexlify(a)
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x509 = OpenSSL.crypto.load_certificate(OpenSSL.crypto.FILETYPE_ASN1, dercert)
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fp = x509.digest('sha1').replace(':','').lower()
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print OpenSSL.crypto.dump_certificate(OpenSSL.crypto.FILETYPE_PEM, x509)
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certstring = ""
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y = ""
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