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#!/usr/bin/env python
# $Id$
#
# Copyright (C) 2014 Dragon Research Labs ("DRL")
#
# Permission to use, copy, modify, and/or distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND DRL DISCLAIMS ALL WARRANTIES WITH
# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
# AND FITNESS. IN NO EVENT SHALL DRL BE LIABLE FOR ANY SPECIAL, DIRECT,
# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
# PERFORMANCE OF THIS SOFTWARE.
"""
Scan rcynic validated output looking for router certificates, print
out stuff that the rpki-rtr code cares about.
"""
import os
import sys
import base64
import argparse
import rpki.POW
import rpki.oids
import rpki.config
from rpki.rcynicdb.iterator import authenticated_objects
def check_dir(s):
if not os.path.isdir(s):
raise argparse.ArgumentTypeError("{!r} is not a directory".format(s))
return s
cfg = rpki.config.argparser(doc = __doc__)
cfg.argparser.add_argument("rcynic_dir", nargs = "?", type = check_dir,
help = "rcynic authenticated output directory")
args = cfg.argparser.parse_args()
for uri, cer in authenticated_objects(args.rcynic_dir, uri_suffix = ".cer"):
if rpki.oids.id_kp_bgpsec_router not in (cer.getEKU() or ()):
continue
sys.stdout.write(base64.urlsafe_b64encode(cer.getSKI()).rstrip("="))
for min_asn, max_asn in cer.getRFC3779()[0]:
for asn in xrange(min_asn, max_asn + 1):
sys.stdout.write(" {}".format(asn))
sys.stdout.write(" {}\n".format(base64.b64encode(cer.getPublicKey().derWritePublic())))
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