"""
Trivial RPKI up-down protocol root server, for testing. Not suitable
for production use. Overrides a bunch of method definitions from the
rpki.* classes in order to reuse as much code as possible.
Usage: python rootd.py [ { -c | --config } configfile ] [ { -h | --help } ]
Default configuration file is rootd.conf, override with --config option.
$Id$
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.
"""
import traceback, os, time, getopt, sys, lxml
import rpki.resource_set, rpki.up_down, rpki.left_right, rpki.x509
import rpki.https, rpki.config, rpki.exceptions, rpki.relaxng
import rpki.sundial, rpki.log
def get_subject_cert():
filename = rpki_root_dir + rpki_subject_cert
try:
x = rpki.x509.X509(Auto_file = filename)
rpki.log.debug("Read subject cert %s" % filename)
return x
except IOError:
return None
def set_subject_cert(cert):
filename = rpki_root_dir + rpki_subject_cert
rpki.log.debug("Writing subject cert %s" % filename)
f = open(filename, "wb")
f.write(cert.get_DER())
f.close()
def del_subject_cert():
filename = rpki_root_dir + rpki_subject_cert
rpki.log.debug("Deleting subject cert %s" % filename)
os.remove(filename)
def get_subject_pkcs10():
filename = rpki_subject_pkcs10
try:
x = rpki.x509.PKCS10(Auto_file = filename)
rpki.log.debug("Read subject PKCS #10 %s" % filename)
return x
except IOError:
return None
def set_subject_pkcs10(pkcs10):
rpki.log.debug("Writing subject PKCS #10 %s" % rpki_subject_pkcs10)
f = open(rpki_subject_pkcs10, "wb")
f.write(pkcs10.get_DER())
f.close()
def issue_subject_cert_maybe():
now = rpki.sundial.now()
subject_cert = get_subject_cert()
if subject_cert is not None:
if subject_cert.getNotAfter() > now + rpki_subject_regen:
return subject_cert
rpki.log.debug("Subject certificate has reached expiration threshold, regenerating")
pkcs10 = get_subject_pkcs10()
if pkcs10 is None:
rpki.log.debug("No saved PKCS #10 request")
return None
resources = rpki_root_cert.get_3779resources()
rpki.log.info("Generating subject cert with resources " + str(resources))
req_key = pkcs10.getPublicKey()
req_sia = pkcs10.get_SIA()
crldp = rpki_base_uri + rpki_root_crl
subject_cert = rpki_root_cert.issue(
keypair = rpki_root_key,
subject_key = req_key,
serial = int(time.time()),
sia = req_sia,
aia = rpki_root_cert_uri,
crldp = crldp,
resources = resources,
notAfter = now + rpki_subject_lifetime)
crl = rpki.x509.CRL.generate(
keypair = rpki_root_key,
issuer = rpki_root_cert,
serial = 1,
thisUpdate = now,
nextUpdate = now + rpki_subject_lifetime,
revokedCertificates = ())
rpki.log.debug("Writing CRL %s" % (rpki_root_dir + rpki_root_crl))
f = open(rpki_root_dir + rpki_root_crl, "wb")
f.write(crl.get_DER())
f.close()
manifest_resources = rpki.resource_set.resource_bag(
asn = rpki.resource_set.resource_set_as("<inherit>"),
v4 = rpki.resource_set.resource_set_ipv4("<inherit>"),
v6 = rpki.resource_set.resource_set_ipv6("<inherit>"))
manifest_keypair = rpki.x509.RSA.generate()
manifest_cert = rpki_root_cert.issue(
keypair = rpki_root_key,
subject_key = manifest_keypair.get_RSApublic(),
serial = int(time.time()) + 1,
sia = None,
aia = rpki_root_cert_uri,
crldp = crldp,
resources = manifest_resources,
notAfter = now + rpki_subject_lifetime,
is_ca = False)
manifest = rpki.x509.SignedManifest.build(
serial = int(time.time()),
thisUpdate = now,
nextUpdate = now + rpki_subject_lifetime,
names_and_objs = [(rpki_subject_cert, subject_cert), (rpki_root_crl, crl)],
keypair = manifest_keypair,
certs = manifest_cert)
rpki.log.debug("Writing manifest %s" % (rpki_root_dir + rpki_root_manifest))
f = open(rpki_root_dir + rpki_root_manifest, "wb")
f.write(manifest.get_DER())
f.close()
set_subject_cert(subject_cert)
return subject_cert
def compose_response(r_msg):
rc = rpki.up_down.class_elt()
rc.class_name = rpki_class_name
rc.cert_url = rpki.up_down.multi_uri(rpki_root_cert_uri)
rc.from_resource_bag(rpki_root_cert.get_3779resources())
rc.issuer = rpki_root_cert
r_msg.payload.classes.append(rc)
subject_cert = issue_subject_cert_maybe()
if subject_cert is not None:
rc.certs.append(rpki.up_down.certificate_elt())
rc.certs[0].cert_url = rpki.up_down.multi_uri(rpki_base_uri + rpki_subject_cert)
rc.certs[0].cert = subject_cert
class list_pdu(rpki.up_down.list_pdu):
def serve_pdu(self, q_msg, r_msg, ignored):
r_msg.payload = rpki.up_down.list_response_pdu()
compose_response(r_msg)
class issue_pdu(rpki.up_down.issue_pdu):
def serve_pdu(self, q_msg, r_msg, ignored):
self.pkcs10.check_valid_rpki()
set_subject_pkcs10(self.pkcs10)
r_msg.payload = rpki.up_down.issue_response_pdu()
compose_response(r_msg)
class revoke_pdu(rpki.up_down.revoke_pdu):
def serve_pdu(self, q_msg, r_msg, ignored):
subject_cert = get_subject_cert()
if subject_cert is None or subject_cert.gSKI() != self.ski:
raise rpki.exceptions.NotInDatabase
del_subject_cert()
r_msg.payload = rpki.up_down.revoke_response_pdu()
r_msg.payload.class_name = self.class_name
r_msg.payload.ski = self.ski
class message_pdu(rpki.up_down.message_pdu):
name2type = {
"list" : list_pdu,
"list_response" : rpki.up_down.list_response_pdu,
"issue" : issue_pdu,
"issue_response" : rpki.up_down.issue_response_pdu,
"revoke" : revoke_pdu,
"revoke_response" : rpki.up_down.revoke_response_pdu,
"error_response" : rpki.up_down.error_response_pdu }
type2name = dict((v,k) for k,v in name2type.items())
class sax_handler(rpki.up_down.sax_handler):
pdu = message_pdu
class cms_msg(rpki.up_down.cms_msg):
saxify = sax_handler.saxify
def up_down_handler(query, path):
try:
q_msg = cms_msg.unwrap(query, (bpki_ta, child_bpki_cert))
except Exception, data:
rpki.log.error(traceback.format_exc())
return 400, "Could not process PDU: %s" % data
try:
r_msg = q_msg.serve_top_level(None)
r_cms = cms_msg.wrap(r_msg, rootd_bpki_key, rootd_bpki_cert, rootd_bpki_crl)
return 200, r_cms
except Exception, data:
rpki.log.error(traceback.format_exc())
try:
r_msg = q_msg.serve_error(data)
r_cms = cms_msg.wrap(r_msg, rootd_bpki_key, rootd_bpki_cert, rootd_bpki_crl)
return 200, r_cms
except Exception, data:
rpki.log.error(traceback.format_exc())
return 500, "Could not process PDU: %s" % data
os.environ["TZ"] = "UTC"
time.tzset()
rpki.log.init("rootd")
cfg_file = "rootd.conf"
opts,argv = getopt.getopt(sys.argv[1:], "c:h?", ["config=", "help"])
for o,a in opts:
if o in ("-h", "--help", "-?"):
print __doc__
sys.exit(0)
if o in ("-c", "--config"):
cfg_file = a
if argv:
raise RuntimeError, "Unexpected arguments %s" % argv
cfg = rpki.config.parser(cfg_file, "rootd")
bpki_ta = rpki.x509.X509(Auto_file = cfg.get("bpki-ta"))
rootd_bpki_key = rpki.x509.RSA( Auto_file = cfg.get("rootd-bpki-key"))
rootd_bpki_cert = rpki.x509.X509(Auto_file = cfg.get("rootd-bpki-cert"))
rootd_bpki_crl = rpki.x509.CRL( Auto_file = cfg.get("rootd-bpki-crl"))
child_bpki_cert = rpki.x509.X509(Auto_file = cfg.get("child-bpki-cert"))
https_server_host = cfg.get("server-host", "")
https_server_port = int(cfg.get("server-port"))
rpki_class_name = cfg.get("rpki-class-name", "wombat")
rpki_root_dir = cfg.get("rpki-root-dir")
rpki_base_uri = cfg.get("rpki-base-uri", "rsync://" + rpki_class_name + ".invalid/")
rpki_root_key = rpki.x509.RSA( Auto_file = cfg.get("rpki-root-key"))
rpki_root_cert = rpki.x509.X509(Auto_file = cfg.get("rpki-root-cert"))
rpki_root_cert_uri = cfg.get("rpki-root-cert-uri", rpki_base_uri + "Root.cer")
rpki_root_manifest = cfg.get("rpki-root-manifest", "Root.mnf")
rpki_root_crl = cfg.get("rpki-root-crl", "Root.crl")
rpki_subject_cert = cfg.get("rpki-subject-cert", "Subroot.cer")
rpki_subject_pkcs10 = cfg.get("rpki-subject-pkcs10", "Subroot.pkcs10")
rpki_subject_lifetime = rpki.sundial.timedelta.parse(cfg.get("rpki-subject-lifetime", "30d"))
rpki_subject_regen = rpki.sundial.timedelta.parse(cfg.get("rpki-subject-regen", rpki_subject_lifetime.convert_to_seconds() / 2))
rpki.https.server(server_key = rootd_bpki_key,
server_cert = rootd_bpki_cert,
client_ta = (bpki_ta, child_bpki_cert),
host = https_server_host,
port = https_server_port,
handlers = up_down_handler)
