39 lines
970 B
Python
39 lines
970 B
Python
#!/usr/bin/python
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#
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# Read X.509 CRL on stdin, print them pretty and encode back into
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# original wire format.
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# CRL can be generated with "openssl openssl ca -gencrl ..." commands.
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#
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from pyasn1_modules import rfc2459, pem
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from pyasn1.codec.der import encoder, decoder
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import sys
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if len(sys.argv) != 1:
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print("""Usage:
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$ cat crl.pem | %s""" % sys.argv[0])
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sys.exit(-1)
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asn1Spec = rfc2459.CertificateList()
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cnt = 0
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while 1:
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idx, substrate = pem.readPemBlocksFromFile(sys.stdin, ('-----BEGIN X509 CRL-----', '-----END X509 CRL-----'))
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if not substrate:
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break
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key, rest = decoder.decode(substrate, asn1Spec=asn1Spec)
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if rest: substrate = substrate[:-len(rest)]
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print(key.prettyPrint())
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assert encoder.encode(key, defMode=False) == substrate or \
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encoder.encode(key, defMode=True) == substrate, \
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'pkcs8 recode fails'
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cnt = cnt + 1
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print('*** %s CRL(s) re/serialized' % cnt)
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