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Verbose option added (-v) to show issuer CN and subject CN

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Alexandre Dulaunoy 2015-02-01 14:03:16 +01:00
parent b1bdae9f89
commit b1643dab64
1 changed files with 4 additions and 0 deletions
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4
bin/x509/pcap-sslcert.py
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@ -14,6 +14,7 @@ import OpenSSL
import argparse import argparse
argParser = argparse.ArgumentParser(description='Extract certificate to PEM format from an ssldump output') argParser = argparse.ArgumentParser(description='Extract certificate to PEM format from an ssldump output')
argParser.add_argument('-v', default=False, action='store_true', help='Verbose output')
argParser.add_argument('-r', default='-', help='Read from a file, default is stdin') argParser.add_argument('-r', default='-', help='Read from a file, default is stdin')
args = argParser.parse_args() args = argParser.parse_args()
@ -39,6 +40,9 @@ for l in fileinput.input(args.r):
dercert = binascii.unhexlify(a) dercert = binascii.unhexlify(a)
x509 = OpenSSL.crypto.load_certificate(OpenSSL.crypto.FILETYPE_ASN1, dercert) x509 = OpenSSL.crypto.load_certificate(OpenSSL.crypto.FILETYPE_ASN1, dercert)
fp = x509.digest('sha1').replace(':','').lower() fp = x509.digest('sha1').replace(':','').lower()
if args.v:
print "Issuer: " + x509.get_issuer().CN
print "CN: " + x509.get_subject().CN
print OpenSSL.crypto.dump_certificate(OpenSSL.crypto.FILETYPE_PEM, x509) print OpenSSL.crypto.dump_certificate(OpenSSL.crypto.FILETYPE_PEM, x509)
certstring = "" certstring = ""
y = "" y = ""