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# $Id$
# Copyright (C) 2007--2008 American Registry for Internet Numbers ("ARIN")
#
# Permission to use, copy, modify, and 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 ARIN DISCLAIMS ALL WARRANTIES WITH
# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
# AND FITNESS. IN NO EVENT SHALL ARIN 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.
"""
Command line IR back-end control program.
The query back-channel is handled by a separate program.
"""
import getopt, sys, lxml.etree, lxml.sax
import rpki.left_right, rpki.relaxng, rpki.cms, rpki.https, rpki.x509, rpki.config, rpki.log
pem_out = None
class cmd_mixin(object):
"""Left-right protocol mix-in for command line client."""
def client_getopt(self, argv):
"""Parse options for this class."""
opts, argv = getopt.getopt(argv, "", [x + "=" for x in self.attributes + self.elements] + list(self.booleans))
for o, a in opts:
o = o[2:]
handler = getattr(self, "client_query_" + o, None)
if handler is not None:
handler(a)
elif o in self.booleans:
setattr(self, o, True)
else:
assert o in self.attributes
setattr(self, o, a)
return argv
def client_query_action(self, arg):
"""Special handler for --action option."""
self.action = arg
self.type = "query"
def client_query_cms_ta(self, arg):
"""Special handler for --cms_ta option."""
self.cms_ta = rpki.x509.X509(Auto_file=arg)
def client_query_https_ta(self, arg):
"""Special handler for --https_ta option."""
self.https_ta = rpki.x509.X509(Auto_file=arg)
def client_reply_decode(self):
pass
def client_reply_show(self):
print self.element_name
for i in self.attributes + self.elements:
if getattr(self, i) is not None:
print " %s: %s" % (i, getattr(self, i))
class self_elt(cmd_mixin, rpki.left_right.self_elt):
def client_query_extension_preference(self, arg):
"""--extension_preferences option."""
k,v = arg.split("=", 1)
pref = rpki.left_right.extension_preference_elt()
pref.name = k
pref.value = v
self.prefs.append(pref)
class bsc_elt(cmd_mixin, rpki.left_right.bsc_elt):
def client_query_signing_cert(self, arg):
"""--signing_cert option."""
self.signing_cert.append(rpki.x509.X509(Auto_file=arg))
def client_reply_decode(self):
global pem_out
if pem_out is not None and self.pkcs10_cert_request is not None:
if isinstance(pem_out, str):
pem_out = open(pem_out, "w")
pem_out.write(self.pkcs10_cert_request.get_PEM())
class parent_elt(cmd_mixin, rpki.left_right.parent_elt):
pass
class child_elt(cmd_mixin, rpki.left_right.child_elt):
pass
class repository_elt(cmd_mixin, rpki.left_right.repository_elt):
pass
class route_origin_elt(cmd_mixin, rpki.left_right.route_origin_elt):
def client_query_as_number(self, arg):
"""Handle autonomous sequence numbers."""
self.as_number = long(arg)
def client_query_ipv4(self, arg):
"""Handle IPv4 addresses."""
self.ipv4 = resource_set.resource_set_ipv4(arg)
def client_query_ipv6(self, arg):
"""Handle IPv6 addresses."""
self.ipv6 = resource_set.resource_set_ipv6(arg)
class msg(rpki.left_right.msg):
pdus = dict((x.element_name, x)
for x in (self_elt, bsc_elt, parent_elt, child_elt, repository_elt, route_origin_elt))
class sax_handler(rpki.left_right.sax_handler):
pdu = msg
top_opts = ["config=", "help", "pem_out="]
def usage(code=1):
print "Usage:", sys.argv[0], " ".join(["--" + x for x in top_opts])
for k,v in msg.pdus.items():
print " ", k, \
" ".join(["--" + x + "=" for x in v.attributes + v.elements]), \
" ".join(["--" + x for x in v.booleans])
sys.exit(code)
# Main program
rpki.log.init("irbe-cli")
argv = sys.argv[1:]
if not argv:
usage(0)
cfg_file = "irbe.conf"
opts, argv = getopt.getopt(argv, "c:h?", top_opts)
for o, a in opts:
if o in ("-?", "-h", "--help"):
usage(0)
if o in ("-c", "--config"):
cfg_file = a
if o == "--pem_out":
pem_out = a
if not argv:
usage(1)
cfg = rpki.config.parser(cfg_file, "irbe-cli")
q_msg = rpki.left_right.msg()
while argv:
try:
q_pdu = msg.pdus[argv[0]]()
except KeyError:
usage(1)
argv = q_pdu.client_getopt(argv[1:])
q_msg.append(q_pdu)
# We don't use rpki.cms.xml_sign() and rpki.cms.xml_verify() because
# we want to display the raw XML. If and when that changes, we clean
# up the following slightly.
q_elt = q_msg.toXML()
q_xml = lxml.etree.tostring(q_elt, pretty_print=True, encoding="us-ascii", xml_declaration=True)
try:
rpki.relaxng.left_right.assertValid(q_elt)
except lxml.etree.DocumentInvalid:
print "Generated query document does not pass schema check:"
print
print q_xml
raise
q_cms = rpki.cms.sign(q_xml,
rpki.x509.RSA(Auto_file = cfg.get("cms-key")),
rpki.x509.X509_chain(Auto_files = cfg.multiget("cms-certs")))
r_cms = rpki.https.client(privateKey = rpki.x509.RSA(Auto_file = cfg.get("https-key")),
certChain = rpki.x509.X509_chain(Auto_files = cfg.multiget("https-certs")),
x509TrustList = rpki.x509.X509_chain(Auto_files = cfg.multiget("https-ta")),
url = cfg.get("https-url"),
msg = q_cms)
r_xml = rpki.cms.verify(r_cms, rpki.x509.X509(Auto_file = cfg.get("cms-ta")))
r_elt = lxml.etree.fromstring(r_xml)
try:
rpki.relaxng.left_right.assertValid(r_elt)
except lxml.etree.DocumentInvalid:
print "Received reply document does not pass schema check:"
print r_xml
raise
print r_xml
handler = sax_handler()
lxml.sax.saxify(r_elt, handler)
r_msg = handler.result
for r_pdu in r_msg:
r_pdu.client_reply_decode()
#r_pdu.client_reply_show()
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