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7493d781df
The changes include: * Change license blobs in source files to mention GPLv3+ not GPLv2 only * Add GPLv3+ license text * Package COPYING not LICENSE as the license blobs (even the old ones) mention COPYING specifically, it is also more common, I think https://fedorahosted.org/freeipa/ticket/239
91 lines
2.3 KiB
Python
91 lines
2.3 KiB
Python
# Authors:
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# Rob Crittenden <rcritten@redhat.com>
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#
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# Copyright (C) 2010 Red Hat
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# see file 'COPYING' for use and warranty information
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import os
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import sys
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import base64
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import nss.nss as nss
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from ipapython import ipautil
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from ipalib import api
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PEM = 0
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DER = 1
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def strip_header(pem):
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"""
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Remove the header and footer from a certificate.
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"""
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s = pem.find("-----BEGIN CERTIFICATE-----")
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if s >= 0:
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e = pem.find("-----END CERTIFICATE-----")
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pem = pem[s+27:e]
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return pem
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def load_certificate(data, datatype=PEM, dbdir=None):
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"""
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Given a base64-encoded certificate, with or without the
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header/footer, return a request object.
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Returns a nss.Certificate type
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"""
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if type(data) in (tuple, list):
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data = data[0]
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if (datatype == PEM):
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data = strip_header(data)
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data = base64.b64decode(data)
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if dbdir is None:
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if api.env.in_tree:
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dbdir = api.env.dot_ipa + os.sep + 'alias'
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else:
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dbdir = "/etc/httpd/alias"
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nss.nss_init(dbdir)
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return nss.Certificate(buffer(data))
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def get_subject(certificate, datatype=PEM):
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"""
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Load an X509.3 certificate and get the subject.
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"""
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cert = load_certificate(certificate, datatype)
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return cert.subject
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def get_serial_number(certificate, datatype=PEM):
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"""
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Return the decimal value of the serial number.
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"""
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cert = load_certificate(certificate, datatype)
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return cert.serial_number
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if __name__ == '__main__':
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nss.nss_init_nodb()
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# Read PEM certs from stdin and print out its components
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certlines = sys.stdin.readlines()
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cert = ''.join(certlines)
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cert = load_certificate(cert)
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print cert
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