# $Id$
#
# Copyright (C) 2013--2014 Dragon Research Labs ("DRL")
# Portions copyright (C) 2009--2012 Internet Systems Consortium ("ISC")
#
# Permission to use, copy, modify, and distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notices and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND DRL AND ISC DISCLAIM ALL
# WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DRL OR
# ISC 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.
"""
Management code for the IRDB.
"""
# pylint: disable=W0612,C0325
import os
import copy
import types
import rpki.config
import rpki.sundial
import rpki.oids
import rpki.http_simple
import rpki.resource_set
import rpki.relaxng
import rpki.left_right
import rpki.x509
import rpki.irdb
import rpki.publication_control
import django.db.transaction
from lxml.etree import (Element, SubElement, ElementTree,
tostring as ElementToString)
from rpki.csv_utils import csv_reader
# XML namespace and protocol version for OOB setup protocol. The name
# is historical and may change before we propose this as the basis for
# a standard.
myrpki_xmlns = rpki.relaxng.myrpki.xmlns
myrpki_version = rpki.relaxng.myrpki.version
# XML namespace and protocol version for router certificate requests.
# We probably ought to be pulling this sort of thing from the schema,
# with an assertion to make sure that we understand the current
# protocol version number, but just copy what we did for myrpki until
# I'm ready to rewrite the rpki.relaxng code.
routercert_xmlns = rpki.relaxng.router_certificate.xmlns
routercert_version = rpki.relaxng.router_certificate.version
myrpki_section = "myrpki"
irdbd_section = "irdbd"
rpkid_section = "rpkid"
pubd_section = "pubd"
rootd_section = "rootd"
# A whole lot of exceptions
class HandleNotSet(Exception): "Handle not set."
class MissingHandle(Exception): "Missing handle."
class CouldntTalkToDaemon(Exception): "Couldn't talk to daemon."
class BadXMLMessage(Exception): "Bad XML message."
class PastExpiration(Exception): "Expiration date has already passed."
class CantRunRootd(Exception): "Can't run rootd."
def B64Element(e, tag, obj, **kwargs):
"""
Create an XML element containing Base64 encoded data taken from a
DER object.
"""
if e is None:
se = Element(tag, **kwargs)
else:
se = SubElement(e, tag, **kwargs)
if e is not None and e.text is None:
e.text = "\n"
se.text = "\n" + obj.get_Base64()
se.tail = "\n"
return se
class PEM_writer(object):
"""
Write PEM files to disk, keeping track of which ones we've already
written and setting the file mode appropriately.
Comparing the old file with what we're about to write serves no real
purpose except to calm users who find repeated messages about
writing the same file confusing.
"""
def __init__(self, logstream = None):
self.wrote = set()
self.logstream = logstream
def __call__(self, filename, obj, compare = True):
filename = os.path.realpath(filename)
if filename in self.wrote:
return
tempname = filename
pem = obj.get_PEM()
if not filename.startswith("/dev/"):
try:
if compare and pem == open(filename, "r").read():
return
except: # pylint: disable=W0702
pass
tempname += ".%s.tmp" % os.getpid()
mode = 0400 if filename.endswith(".key") else 0444
if self.logstream is not None:
self.logstream.write("Writing %s\n" % filename)
f = os.fdopen(os.open(tempname, os.O_WRONLY | os.O_CREAT | os.O_TRUNC, mode), "w")
f.write(pem)
f.close()
if tempname != filename:
os.rename(tempname, filename)
self.wrote.add(filename)
def etree_read(filename):
"""
Read an etree from a file, verifying then stripping XML namespace
cruft.
"""
e = ElementTree(file = filename).getroot()
rpki.relaxng.myrpki.assertValid(e)
for i in e.getiterator():
if i.tag.startswith(myrpki_xmlns):
i.tag = i.tag[len(myrpki_xmlns):]
else:
raise BadXMLMessage("XML tag %r is not in namespace %r" % (i.tag, myrpki_xmlns[1:-1]))
return e
class etree_wrapper(object):
"""
Wrapper for ETree objects so we can return them as function results
without requiring the caller to understand much about them.
"""
def __init__(self, e, msg = None, debug = False):
self.msg = msg
e = copy.deepcopy(e)
e.set("version", myrpki_version)
for i in e.getiterator():
if i.tag[0] != "{":
i.tag = myrpki_xmlns + i.tag
assert i.tag.startswith(myrpki_xmlns)
if debug:
print ElementToString(e)
rpki.relaxng.myrpki.assertValid(e)
self.etree = e
def __str__(self):
return ElementToString(self.etree)
def save(self, filename, logstream = None):
filename = os.path.realpath(filename)
tempname = filename
if not filename.startswith("/dev/"):
tempname += ".%s.tmp" % os.getpid()
ElementTree(self.etree).write(tempname)
if tempname != filename:
os.rename(tempname, filename)
if logstream is not None:
logstream.write("Wrote %s\n" % filename)
if self.msg is not None:
logstream.write(self.msg + "\n")
@property
def file(self):
from cStringIO import StringIO
return StringIO(ElementToString(self.etree))
class Zookeeper(object):
## @var show_xml
# If not None, a file-like object to which to prettyprint XML, for debugging.
show_xml = None
def __init__(self, cfg = None, handle = None, logstream = None, disable_signal_handlers = False):
if cfg is None:
cfg = rpki.config.parser()
if handle is None:
handle = cfg.get("handle", section = myrpki_section)
self.cfg = cfg
self.logstream = logstream
self.disable_signal_handlers = disable_signal_handlers
self.run_rpkid = cfg.getboolean("run_rpkid", section = myrpki_section)
self.run_pubd = cfg.getboolean("run_pubd", section = myrpki_section)
self.run_rootd = cfg.getboolean("run_rootd", section = myrpki_section)
if self.run_rootd and (not self.run_pubd or not self.run_rpkid):
raise CantRunRootd("Can't run rootd unless also running rpkid and pubd")
self.default_repository = cfg.get("default_repository", "", section = myrpki_section)
self.pubd_contact_info = cfg.get("pubd_contact_info", "", section = myrpki_section)
self.rsync_module = cfg.get("publication_rsync_module", section = myrpki_section)
self.rsync_server = cfg.get("publication_rsync_server", section = myrpki_section)
self.reset_identity(handle)
def reset_identity(self, handle):
"""
Select handle of current resource holding entity.
"""
if handle is None:
raise MissingHandle
self.handle = handle
def set_logstream(self, logstream):
"""
Set log stream for this Zookeeper. The log stream is a file-like
object, or None to suppress all logging.
"""
self.logstream = logstream
def log(self, msg):
"""
Send some text to this Zookeeper's log stream, if one is set.
"""
if self.logstream is not None:
self.logstream.write(msg)
self.logstream.write("\n")
@property
def resource_ca(self):
"""
Get ResourceHolderCA object associated with current handle.
"""
if self.handle is None:
raise HandleNotSet
return rpki.irdb.ResourceHolderCA.objects.get(handle = self.handle)
@property
def server_ca(self):
"""
Get ServerCA object.
"""
return rpki.irdb.ServerCA.objects.get()
@django.db.transaction.atomic
def initialize_server_bpki(self):
"""
Initialize server BPKI portion of an RPKI installation. Reads the
configuration file and generates the initial BPKI server
certificates needed to start daemons.
"""
if self.run_rpkid or self.run_pubd:
server_ca, created = rpki.irdb.ServerCA.objects.get_or_certify()
rpki.irdb.ServerEE.objects.get_or_certify(issuer = server_ca, purpose = "irbe")
if self.run_rpkid:
rpki.irdb.ServerEE.objects.get_or_certify(issuer = server_ca, purpose = "rpkid")
rpki.irdb.ServerEE.objects.get_or_certify(issuer = server_ca, purpose = "irdbd")
if self.run_pubd:
rpki.irdb.ServerEE.objects.get_or_certify(issuer = server_ca, purpose = "pubd")
@django.db.transaction.atomic
def initialize_resource_bpki(self):
"""
Initialize the resource-holding BPKI for an RPKI installation.
Returns XML describing the resource holder.
This method is present primarily for backwards compatibility with
the old combined initialize() method which initialized both the
server BPKI and the default resource-holding BPKI in a single
method call. In the long run we want to replace this with
something that takes a handle as argument and creates the
resource-holding BPKI idenity if needed.
"""
resource_ca, created = rpki.irdb.ResourceHolderCA.objects.get_or_certify(handle = self.handle)
return self.generate_identity()
def initialize(self):
"""
Backwards compatibility wrapper: calls initialize_server_bpki()
and initialize_resource_bpki(), returns latter's result.
"""
self.initialize_server_bpki()
return self.initialize_resource_bpki()
def generate_identity(self):
"""
Generate identity XML. Broken out of .initialize() because it's
easier for the GUI this way.
"""
e = Element("identity", handle = self.handle)
B64Element(e, "bpki_ta", self.resource_ca.certificate)
return etree_wrapper(e, msg = 'This is the "identity" file you will need to send to your parent')
@django.db.transaction.atomic
def delete_self(self):
"""
Delete the ResourceHolderCA object corresponding to the current handle.
This corresponds to deleting an rpkid object.
This code assumes the normal Django cascade-on-delete behavior,
that is, we assume that deleting the ResourceHolderCA object
deletes all the subordinate objects that refer to it via foreign
key relationships.
"""
resource_ca = self.resource_ca
if resource_ca is not None:
resource_ca.delete()
else:
self.log("No such ResourceHolderCA \"%s\"" % self.handle)
@django.db.transaction.atomic
def configure_rootd(self):
assert self.run_rpkid and self.run_pubd and self.run_rootd
rpki.irdb.Rootd.objects.get_or_certify(
issuer = self.resource_ca,
service_uri = "http://localhost:%s/" % self.cfg.get("rootd_server_port", section = myrpki_section))
return self.generate_rootd_repository_offer()
def generate_rootd_repository_offer(self):
"""
Generate repository offer for rootd. Split out of
configure_rootd() because that's easier for the GUI.
"""
# The following assumes we'll set up the respository manually.
# Not sure this is a reasonable assumption, particularly if we
# ever fix rootd to use the publication protocol.
try:
self.resource_ca.repositories.get(handle = self.handle)
return None
except rpki.irdb.Repository.DoesNotExist:
e = Element("repository", type = "offer", handle = self.handle, parent_handle = self.handle)
B64Element(e, "bpki_client_ta", self.resource_ca.certificate)
return etree_wrapper(e, msg = 'This is the "repository offer" file for you to use if you want to publish in your own repository')
def write_bpki_files(self):
"""
Write out BPKI certificate, key, and CRL files for daemons that
need them.
"""
writer = PEM_writer(self.logstream)
if self.run_rpkid:
rpkid = self.server_ca.ee_certificates.get(purpose = "rpkid")
writer(self.cfg.get("bpki-ta", section = rpkid_section), self.server_ca.certificate)
writer(self.cfg.get("rpkid-key", section = rpkid_section), rpkid.private_key)
writer(self.cfg.get("rpkid-cert", section = rpkid_section), rpkid.certificate)
writer(self.cfg.get("irdb-cert", section = rpkid_section),
self.server_ca.ee_certificates.get(purpose = "irdbd").certificate)
writer(self.cfg.get("irbe-cert", section = rpkid_section),
self.server_ca.ee_certificates.get(purpose = "irbe").certificate)
if self.run_pubd:
pubd = self.server_ca.ee_certificates.get(purpose = "pubd")
writer(self.cfg.get("bpki-ta", section = pubd_section), self.server_ca.certificate)
writer(self.cfg.get("pubd-key", section = pubd_section), pubd.private_key)
writer(self.cfg.get("pubd-cert", section = pubd_section), pubd.certificate)
writer(self.cfg.get("irbe-cert", section = pubd_section),
self.server_ca.ee_certificates.get(purpose = "irbe").certificate)
if self.run_rootd:
try:
rootd = rpki.irdb.ResourceHolderCA.objects.get(handle = self.handle).rootd
writer(self.cfg.get("bpki-ta", section = rootd_section), self.server_ca.certificate)
writer(self.cfg.get("rootd-bpki-crl", section = rootd_section), self.server_ca.latest_crl)
writer(self.cfg.get("rootd-bpki-key", section = rootd_section), rootd.private_key)
writer(self.cfg.get("rootd-bpki-cert", section = rootd_section), rootd.certificate)
writer(self.cfg.get("child-bpki-cert", section = rootd_section), rootd.issuer.certificate)
except rpki.irdb.ResourceHolderCA.DoesNotExist:
self.log("rootd enabled but resource holding entity not yet configured, skipping rootd setup")
except rpki.irdb.Rootd.DoesNotExist:
self.log("rootd enabled but not yet configured, skipping rootd setup")
@django.db.transaction.atomic
def update_bpki(self):
"""
Update BPKI certificates. Assumes an existing RPKI installation.
Basic plan here is to reissue all BPKI certificates we can, right
now. In the long run we might want to be more clever about only
touching ones that need maintenance, but this will do for a start.
We also reissue CRLs for all CAs.
Most likely this should be run under cron.
"""
for model in (rpki.irdb.ServerCA,
rpki.irdb.ResourceHolderCA,
rpki.irdb.ServerEE,
rpki.irdb.Referral,
rpki.irdb.Rootd,
rpki.irdb.HostedCA,
rpki.irdb.BSC,
rpki.irdb.Child,
rpki.irdb.Parent,
rpki.irdb.Client,
rpki.irdb.Repository):
for obj in model.objects.all():
self.log("Regenerating BPKI certificate %s" % obj.certificate.getSubject())
obj.avow()
obj.save()
self.log("Regenerating Server BPKI CRL")
self.server_ca.generate_crl()
self.server_ca.save()
for ca in rpki.irdb.ResourceHolderCA.objects.all():
self.log("Regenerating BPKI CRL for Resource Holder %s" % ca.handle)
ca.generate_crl()
ca.save()
@staticmethod
def _compose_left_right_query():
"""
Compose top level element of a left-right query.
"""
return Element(rpki.left_right.tag_msg, nsmap = rpki.left_right.nsmap,
type = "query", version = rpki.left_right.version)
@staticmethod
def _compose_publication_control_query():
"""
Compose top level element of a publication-control query.
"""
return Element(rpki.publication_control.tag_msg, nsmap = rpki.publication_control.nsmap,
type = "query", version = rpki.publication_control.version)
@django.db.transaction.atomic
def synchronize_bpki(self):
"""
Synchronize BPKI updates. This is separate from .update_bpki()
because this requires rpkid to be running and none of the other
BPKI update stuff does; there may be circumstances under which it
makes sense to do the rest of the BPKI update and allow this to
fail with a warning.
"""
if self.run_rpkid:
q_msg = self._compose_left_right_query()
for ca in rpki.irdb.ResourceHolderCA.objects.all():
q_pdu = SubElement(q_msg, rpki.left_right.tag_self,
action = "set",
tag = "%s__self" % ca.handle,
self_handle = ca.handle)
SubElement(q_pdu, rpki.left_right.tag_bpki_cert).text = ca.certificate.get_Base64()
for bsc in rpki.irdb.BSC.objects.all():
q_pdu = SubElement(q_msg, rpki.left_right.tag_bsc,
action = "set",
tag = "%s__bsc__%s" % (bsc.issuer.handle, bsc.handle),
self_handle = bsc.issuer.handle,
bsc_handle = bsc.handle)
SubElement(q_pdu, rpki.left_right.tag_signing_cert).text = bsc.certificate.get_Base64()
SubElement(q_pdu, rpki.left_right.tag_signing_cert_crl).text = bsc.issuer.latest_crl.get_Base64()
for repository in rpki.irdb.Repository.objects.all():
q_pdu = SubElement(q_msg, rpki.left_right.tag_repository,
action = "set",
tag = "%s__repository__%s" % (repository.issuer.handle, repository.handle),
self_handle = repository.issuer.handle,
repository_handle = repository.handle)
SubElement(q_pdu, rpki.left_right.tag_bpki_cert).text = repository.certificate.get_Base64()
for parent in rpki.irdb.Parent.objects.all():
q_pdu = SubElement(q_msg, rpki.left_right.tag_parent,
action = "set",
tag = "%s__parent__%s" % (parent.issuer.handle, parent.handle),
self_handle = parent.issuer.handle,
parent_handle = parent.handle)
SubElement(q_pdu, rpki.left_right.tag_bpki_cms_cert).text = parent.certificate.get_Base64()
for rootd in rpki.irdb.Rootd.objects.all():
q_pdu = SubElement(q_msg, rpki.left_right.tag_parent,
action = "set",
tag = "%s__rootd" % rootd.issuer.handle,
self_handle = rootd.issuer.handle,
parent_handle = rootd.issuer.handle)
SubElement(q_pdu, rpki.left_right.tag_bpki_cms_cert).text = rootd.certificate.get_Base64()
for child in rpki.irdb.Child.objects.all():
q_pdu = SubElement(q_msg, rpki.left_right.tag_child,
action = "set",
tag = "%s__child__%s" % (child.issuer.handle, child.handle),
self_handle = child.issuer.handle,
child_handle = child.handle)
SubElement(q_pdu, rpki.left_right.tag_bpki_cert).text = child.certificate.get_Base64()
if len(q_msg) > 0:
self.call_rpkid(q_msg)
if self.run_pubd:
q_msg = self._compose_publication_control_query()
for client in self.server_ca.clients.all():
q_pdu = SubElement(q_msg, rpki.publication_control.tag_client, action = "set", client_handle = client.handle)
SubElement(q_pdu, rpki.publication_control.tag_bpki_cert).text = client.certificate.get_Base64()
if len(q_msg) > 0:
self.call_pubd(q_msg)
@django.db.transaction.atomic
def configure_child(self, filename, child_handle = None, valid_until = None):
"""
Configure a new child of this RPKI entity, given the child's XML
identity file as an input. Extracts the child's data from the
XML, cross-certifies the child's resource-holding BPKI
certificate, and generates an XML file describing the relationship
between the child and this parent, including this parent's BPKI
data and up-down protocol service URI.
"""
c = etree_read(filename)
if child_handle is None:
child_handle = c.get("handle")
if valid_until is None:
valid_until = rpki.sundial.now() + rpki.sundial.timedelta(days = 365)
else:
valid_until = rpki.sundial.datetime.fromXMLtime(valid_until)
if valid_until < rpki.sundial.now():
raise PastExpiration("Specified new expiration time %s has passed" % valid_until)
self.log("Child calls itself %r, we call it %r" % (c.get("handle"), child_handle))
child, created = rpki.irdb.Child.objects.get_or_certify(
issuer = self.resource_ca,
handle = child_handle,
ta = rpki.x509.X509(Base64 = c.findtext("bpki_ta")),
valid_until = valid_until)
return self.generate_parental_response(child), child_handle
@django.db.transaction.atomic
def generate_parental_response(self, child):
"""
Generate parental response XML. Broken out of .configure_child()
for GUI.
"""
service_uri = "http://%s:%s/up-down/%s/%s" % (
self.cfg.get("rpkid_server_host", section = myrpki_section),
self.cfg.get("rpkid_server_port", section = myrpki_section),
self.handle, child.handle)
e = Element("parent", parent_handle = self.handle, child_handle = child.handle,
service_uri = service_uri, valid_until = str(child.valid_until))
B64Element(e, "bpki_resource_ta", self.resource_ca.certificate)
B64Element(e, "bpki_child_ta", child.ta)
try:
if self.default_repository:
repo = self.resource_ca.repositories.get(handle = self.default_repository)
else:
repo = self.resource_ca.repositories.get()
except rpki.irdb.Repository.DoesNotExist:
repo = None
if repo is None:
self.log("Couldn't find any usable repositories, not giving referral")
elif repo.handle == self.handle:
SubElement(e, "repository", type = "offer")
else:
proposed_sia_base = repo.sia_base + child.handle + "/"
referral_cert, created = rpki.irdb.Referral.objects.get_or_certify(issuer = self.resource_ca)
auth = rpki.x509.SignedReferral()
auth.set_content(B64Element(None, myrpki_xmlns + "referral", child.ta,
version = myrpki_version,
authorized_sia_base = proposed_sia_base))
auth.schema_check()
auth.sign(referral_cert.private_key, referral_cert.certificate, self.resource_ca.latest_crl)
r = SubElement(e, "repository", type = "referral")
B64Element(r, "authorization", auth, referrer = repo.client_handle)
SubElement(r, "contact_info")
return etree_wrapper(e, msg = "Send this file back to the child you just configured")
@django.db.transaction.atomic
def delete_child(self, child_handle):
"""
Delete a child of this RPKI entity.
"""
self.resource_ca.children.get(handle = child_handle).delete()
@django.db.transaction.atomic
def configure_parent(self, filename, parent_handle = None):
"""
Configure a new parent of this RPKI entity, given the output of
the parent's configure_child command as input. Reads the parent's
response XML, extracts the parent's BPKI and service URI
information, cross-certifies the parent's BPKI data into this
entity's BPKI, and checks for offers or referrals of publication
service. If a publication offer or referral is present, we
generate a request-for-service message to that repository, in case
the user wants to avail herself of the referral or offer.
"""
p = etree_read(filename)
if parent_handle is None:
parent_handle = p.get("parent_handle")
r = p.find("repository")
repository_type = "none"
referrer = None
referral_authorization = None
if r is not None:
repository_type = r.get("type")
if repository_type == "referral":
a = r.find("authorization")
referrer = a.get("referrer")
referral_authorization = rpki.x509.SignedReferral(Base64 = a.text)
self.log("Parent calls itself %r, we call it %r" % (p.get("parent_handle"), parent_handle))
self.log("Parent calls us %r" % p.get("child_handle"))
parent, created = rpki.irdb.Parent.objects.get_or_certify(
issuer = self.resource_ca,
handle = parent_handle,
child_handle = p.get("child_handle"),
parent_handle = p.get("parent_handle"),
service_uri = p.get("service_uri"),
ta = rpki.x509.X509(Base64 = p.findtext("bpki_resource_ta")),
repository_type = repository_type,
referrer = referrer,
referral_authorization = referral_authorization)
return self.generate_repository_request(parent), parent_handle
def generate_repository_request(self, parent):
"""
Generate repository request for a given parent.
"""
e = Element("repository", handle = self.handle,
parent_handle = parent.handle, type = parent.repository_type)
if parent.repository_type == "referral":
B64Element(e, "authorization", parent.referral_authorization, referrer = parent.referrer)
SubElement(e, "contact_info")
B64Element(e, "bpki_client_ta", self.resource_ca.certificate)
return etree_wrapper(e, msg = "This is the file to send to the repository operator")
@django.db.transaction.atomic
def delete_parent(self, parent_handle):
"""
Delete a parent of this RPKI entity.
"""
self.resource_ca.parents.get(handle = parent_handle).delete()
@django.db.transaction.atomic
def delete_rootd(self):
"""
Delete rootd associated with this RPKI entity.
"""
self.resource_ca.rootd.delete()
@django.db.transaction.atomic
def configure_publication_client(self, filename, sia_base = None, flat = False):
"""
Configure publication server to know about a new client, given the
client's request-for-service message as input. Reads the client's
request for service, cross-certifies the client's BPKI data, and
generates a response message containing the repository's BPKI data
and service URI.
"""
client = etree_read(filename)
client_ta = rpki.x509.X509(Base64 = client.findtext("bpki_client_ta"))
if sia_base is None and flat:
self.log("Flat publication structure forced, homing client at top-level")
sia_base = "rsync://%s/%s/%s/" % (self.rsync_server, self.rsync_module, client.get("handle"))
if sia_base is None and client.get("type") == "referral":
self.log("This looks like a referral, checking")
try:
auth = client.find("authorization")
referrer = self.server_ca.clients.get(handle = auth.get("referrer"))
referral_cms = rpki.x509.SignedReferral(Base64 = auth.text)
referral_xml = referral_cms.unwrap(ta = (referrer.certificate, self.server_ca.certificate))
if rpki.x509.X509(Base64 = referral_xml.text) != client_ta:
raise BadXMLMessage("Referral trust anchor does not match")
sia_base = referral_xml.get("authorized_sia_base")
except rpki.irdb.Client.DoesNotExist:
self.log("We have no record of the client (%s) alleged to have made this referral" % auth.get("referrer"))
if sia_base is None and client.get("type") == "offer":
self.log("This looks like an offer, checking")
try:
parent = rpki.irdb.ResourceHolderCA.objects.get(children__ta__exact = client_ta)
if "/" in parent.repositories.get(ta = self.server_ca.certificate).client_handle:
self.log("Client's parent is not top-level, this is not a valid offer")
else:
self.log("Found client and its parent, nesting")
sia_base = "rsync://%s/%s/%s/%s/" % (self.rsync_server, self.rsync_module,
parent.handle, client.get("handle"))
except rpki.irdb.Repository.DoesNotExist:
self.log("Found client's parent, but repository isn't set, this shouldn't happen!")
except rpki.irdb.ResourceHolderCA.DoesNotExist:
try:
rpki.irdb.Rootd.objects.get(issuer__certificate__exact = client_ta)
except rpki.irdb.Rootd.DoesNotExist:
self.log("We don't host this client's parent, so we didn't make this offer")
else:
self.log("This client's parent is rootd")
if sia_base is None:
self.log("Don't know where to nest this client, defaulting to top-level")
sia_base = "rsync://%s/%s/%s/" % (self.rsync_server, self.rsync_module, client.get("handle"))
if not sia_base.startswith("rsync://"):
raise BadXMLMessage("Malformed sia_base parameter %r, should start with 'rsync://'" % sia_base)
client_handle = "/".join(sia_base.rstrip("/").split("/")[4:])
parent_handle = client.get("parent_handle")
self.log("Client calls itself %r, we call it %r" % (client.get("handle"), client_handle))
self.log("Client says its parent handle is %r" % parent_handle)
client, created = rpki.irdb.Client.objects.get_or_certify(
issuer = self.server_ca,
handle = client_handle,
parent_handle = parent_handle,
ta = client_ta,
sia_base = sia_base)
return self.generate_repository_response(client), client_handle
def generate_repository_response(self, client):
"""
Generate repository response XML to a given client.
"""
service_uri = "http://%s:%s/client/%s" % (
self.cfg.get("pubd_server_host", section = myrpki_section),
self.cfg.get("pubd_server_port", section = myrpki_section),
client.handle)
e = Element("repository", type = "confirmed",
client_handle = client.handle,
parent_handle = client.parent_handle,
sia_base = client.sia_base,
service_uri = service_uri)
B64Element(e, "bpki_server_ta", self.server_ca.certificate)
B64Element(e, "bpki_client_ta", client.ta)
SubElement(e, "contact_info").text = self.pubd_contact_info
return etree_wrapper(e, msg = "Send this file back to the publication client you just configured")
@django.db.transaction.atomic
def delete_publication_client(self, client_handle):
"""
Delete a publication client of this RPKI entity.
"""
self.server_ca.clients.get(handle = client_handle).delete()
@django.db.transaction.atomic
def configure_repository(self, filename, parent_handle = None):
"""
Configure a publication repository for this RPKI entity, given the
repository's response to our request-for-service message as input.
Reads the repository's response, extracts and cross-certifies the
BPKI data and service URI, and links the repository data with the
corresponding parent data in our local database.
"""
r = etree_read(filename)
if parent_handle is None:
parent_handle = r.get("parent_handle")
self.log("Repository calls us %r" % (r.get("client_handle")))
self.log("Repository response associated with parent_handle %r" % parent_handle)
try:
if parent_handle == self.handle:
turtle = self.resource_ca.rootd
else:
turtle = self.resource_ca.parents.get(handle = parent_handle)
except (rpki.irdb.Parent.DoesNotExist, rpki.irdb.Rootd.DoesNotExist):
self.log("Could not find parent %r in our database" % parent_handle)
else:
rpki.irdb.Repository.objects.get_or_certify(
issuer = self.resource_ca,
handle = parent_handle,
client_handle = r.get("client_handle"),
service_uri = r.get("service_uri"),
sia_base = r.get("sia_base"),
ta = rpki.x509.X509(Base64 = r.findtext("bpki_server_ta")),
turtle = turtle)
@django.db.transaction.atomic
def delete_repository(self, repository_handle):
"""
Delete a repository of this RPKI entity.
"""
self.resource_ca.repositories.get(handle = repository_handle).delete()
@django.db.transaction.atomic
def renew_children(self, child_handle, valid_until = None):
"""
Update validity period for one child entity or, if child_handle is
None, for all child entities.
"""
if child_handle is None:
children = self.resource_ca.children.all()
else:
children = self.resource_ca.children.filter(handle = child_handle)
if valid_until is None:
valid_until = rpki.sundial.now() + rpki.sundial.timedelta(days = 365)
else:
valid_until = rpki.sundial.datetime.fromXMLtime(valid_until)
if valid_until < rpki.sundial.now():
raise PastExpiration("Specified new expiration time %s has passed" % valid_until)
self.log("New validity date %s" % valid_until)
for child in children:
child.valid_until = valid_until
child.save()
@django.db.transaction.atomic
def load_prefixes(self, filename, ignore_missing_children = False):
"""
Whack IRDB to match prefixes.csv.
"""
grouped4 = {}
grouped6 = {}
for handle, prefix in csv_reader(filename, columns = 2):
grouped = grouped6 if ":" in prefix else grouped4
if handle not in grouped:
grouped[handle] = []
grouped[handle].append(prefix)
primary_keys = []
for version, grouped, rset in ((4, grouped4, rpki.resource_set.resource_set_ipv4),
(6, grouped6, rpki.resource_set.resource_set_ipv6)):
for handle, prefixes in grouped.iteritems():
try:
child = self.resource_ca.children.get(handle = handle)
except rpki.irdb.Child.DoesNotExist:
if not ignore_missing_children:
raise
else:
for prefix in rset(",".join(prefixes)):
obj, created = rpki.irdb.ChildNet.objects.get_or_create(
child = child,
start_ip = str(prefix.min),
end_ip = str(prefix.max),
version = version)
primary_keys.append(obj.pk)
q = rpki.irdb.ChildNet.objects
q = q.filter(child__issuer__exact = self.resource_ca)
q = q.exclude(pk__in = primary_keys)
q.delete()
@django.db.transaction.atomic
def load_asns(self, filename, ignore_missing_children = False):
"""
Whack IRDB to match asns.csv.
"""
grouped = {}
for handle, asn in csv_reader(filename, columns = 2):
if handle not in grouped:
grouped[handle] = []
grouped[handle].append(asn)
primary_keys = []
for handle, asns in grouped.iteritems():
try:
child = self.resource_ca.children.get(handle = handle)
except rpki.irdb.Child.DoesNotExist:
if not ignore_missing_children:
raise
else:
for asn in rpki.resource_set.resource_set_as(",".join(asns)):
obj, created = rpki.irdb.ChildASN.objects.get_or_create(
child = child,
start_as = str(asn.min),
end_as = str(asn.max))
primary_keys.append(obj.pk)
q = rpki.irdb.ChildASN.objects
q = q.filter(child__issuer__exact = self.resource_ca)
q = q.exclude(pk__in = primary_keys)
q.delete()
@django.db.transaction.atomic
def load_roa_requests(self, filename):
"""
Whack IRDB to match roa.csv.
"""
grouped = {}
# format: p/n-m asn group
for pnm, asn, group in csv_reader(filename, columns = 3):
key = (asn, group)
if key not in grouped:
grouped[key] = []
grouped[key].append(pnm)
# Deleting and recreating all the ROA requests is inefficient,
# but rpkid's current representation of ROA requests is wrong
# (see #32), so it's not worth a lot of effort here as we're
# just going to have to rewrite this soon anyway.
self.resource_ca.roa_requests.all().delete()
for key, pnms in grouped.iteritems():
asn, group = key
roa_request = self.resource_ca.roa_requests.create(asn = asn)
for pnm in pnms:
if ":" in pnm:
p = rpki.resource_set.roa_prefix_ipv6.parse_str(pnm)
v = 6
else:
p = rpki.resource_set.roa_prefix_ipv4.parse_str(pnm)
v = 4
roa_request.prefixes.create(
version = v,
prefix = str(p.prefix),
prefixlen = int(p.prefixlen),
max_prefixlen = int(p.max_prefixlen))
@django.db.transaction.atomic
def load_ghostbuster_requests(self, filename, parent = None):
"""
Whack IRDB to match ghostbusters.vcard.
This accepts one or more vCards from a file.
"""
self.resource_ca.ghostbuster_requests.filter(parent = parent).delete()
vcard = []
for line in open(filename, "r"):
if not vcard and not line.upper().startswith("BEGIN:VCARD"):
continue
vcard.append(line)
if line.upper().startswith("END:VCARD"):
self.resource_ca.ghostbuster_requests.create(vcard = "".join(vcard), parent = parent)
vcard = []
def call_rpkid(self, q_msg, suppress_error_check = False):
"""
Issue a call to rpkid, return result.
"""
url = "http://%s:%s/left-right" % (
self.cfg.get("rpkid_server_host", section = myrpki_section),
self.cfg.get("rpkid_server_port", section = myrpki_section))
rpkid = self.server_ca.ee_certificates.get(purpose = "rpkid")
irbe = self.server_ca.ee_certificates.get(purpose = "irbe")
r_msg = rpki.http_simple.client(
proto_cms_msg = rpki.left_right.cms_msg_no_sax,
client_key = irbe.private_key,
client_cert = irbe.certificate,
server_ta = self.server_ca.certificate,
server_cert = rpkid.certificate,
url = url,
q_msg = q_msg,
debug = self.show_xml)
if not suppress_error_check:
self.check_error_report(r_msg)
return r_msg
def _rpkid_self_control(self, *bools):
assert all(isinstance(b, str) for b in bools)
q_msg = self._compose_left_right_query()
q_pdu = SubElement(q_msg, rpki.left_right.tag_self, action = "set", self_handle = self.handle)
for b in bools:
q_pdu.set(b, "yes")
return self.call_rpkid(q_msg)
def run_rpkid_now(self):
"""
Poke rpkid to immediately run the cron job for the current handle.
This method is used by the GUI when a user has changed something in the
IRDB (ghostbuster, roa) which does not require a full synchronize() call,
to force the object to be immediately issued.
"""
return self._rpkid_self_control("run_now")
def publish_world_now(self):
"""
Poke rpkid to (re)publish everything for the current handle.
"""
return self._rpkid_self_control("publish_world_now")
def reissue(self):
"""
Poke rpkid to reissue everything for the current handle.
"""
return self._rpkid_self_control("reissue")
def rekey(self):
"""
Poke rpkid to rekey all RPKI certificates received for the current
handle.
"""
return self._rpkid_self_control("rekey")
def revoke(self):
"""
Poke rpkid to revoke old RPKI keys for the current handle.
"""
return self._rpkid_self_control("revoke")
def revoke_forgotten(self):
"""
Poke rpkid to revoke old forgotten RPKI keys for the current handle.
"""
return self._rpkid_self_control("revoke_forgotten")
def clear_all_sql_cms_replay_protection(self):
"""
Tell rpkid and pubd to clear replay protection for all SQL-based
entities. This is a fairly blunt instrument, but as we don't
expect this to be necessary except in the case of gross
misconfiguration, it should suffice.
"""
if self.run_rpkid:
q_msg = self._compose_left_right_query()
for ca in rpki.irdb.ResourceHolderCA.objects.all():
SubElement(q_msg, rpki.left_right.tag_self, action = "set",
self_handle = ca.handle, clear_replay_protection = "yes")
self.call_rpkid(q_msg)
if self.run_pubd:
q_msg = self._compose_publication_control_query()
for client in self.server_ca.clients.all():
SubElement(q_msg, rpki.publication_control.tag_client, action = "set",
client_handle = client.handle, clear_reply_protection = "yes")
self.call_pubd(q_msg)
def call_pubd(self, q_msg):
"""
Issue a call to pubd, return result.
"""
url = "http://%s:%s/control" % (
self.cfg.get("pubd_server_host", section = myrpki_section),
self.cfg.get("pubd_server_port", section = myrpki_section))
pubd = self.server_ca.ee_certificates.get(purpose = "pubd")
irbe = self.server_ca.ee_certificates.get(purpose = "irbe")
r_msg = rpki.http_simple.client(
proto_cms_msg = rpki.publication_control.cms_msg_no_sax,
client_key = irbe.private_key,
client_cert = irbe.certificate,
server_ta = self.server_ca.certificate,
server_cert = pubd.certificate,
url = url,
q_msg = q_msg,
debug = self.show_xml)
self.check_error_report(r_msg)
return r_msg
def check_error_report(self, r_msg):
"""
Check a response from rpkid or pubd for error_report PDUs, log and
throw exceptions as needed.
"""
if any(r_pdu.tag in (rpki.left_right.tag_report_error,
rpki.publication_control.tag_report_error)
for r_pdu in r_msg):
for r_pdu in r_msg:
if r_pdu.tag == rpki.left_right.tag_report_error:
self.log("rpkid reported failure: %s" % r_pdu.get("error_code"))
elif r_pdu.tag == rpki.publication_control.tag_report_error:
self.log("pubd reported failure: %s" % r_pdu.get("error_code"))
else:
continue
if r_pdu.text:
self.log(r_pdu.text)
raise CouldntTalkToDaemon
@django.db.transaction.atomic
def synchronize(self, *handles_to_poke):
"""
Configure RPKI daemons with the data built up by the other
commands in this program. Commands which modify the IRDB and want
to whack everything into sync should call this when they're done,
but be warned that this can be slow with a lot of CAs.
Any arguments given are handles of CAs which should be poked with a
operation.
"""
for ca in rpki.irdb.ResourceHolderCA.objects.all():
self.synchronize_rpkid_one_ca_core(ca, ca.handle in handles_to_poke)
self.synchronize_pubd_core()
self.synchronize_rpkid_deleted_core()
@django.db.transaction.atomic
def synchronize_ca(self, ca = None, poke = False):
"""
Synchronize one CA. Most commands which modify a CA should call
this. CA to synchronize defaults to the current resource CA.
"""
if ca is None:
ca = self.resource_ca
self.synchronize_rpkid_one_ca_core(ca, poke)
@django.db.transaction.atomic
def synchronize_deleted_ca(self):
"""
Delete CAs which are present in rpkid's database but not in the
IRDB.
"""
self.synchronize_rpkid_deleted_core()
@django.db.transaction.atomic
def synchronize_pubd(self):
"""
Synchronize pubd. Most commands which modify pubd should call this.
"""
self.synchronize_pubd_core()
def synchronize_rpkid_one_ca_core(self, ca, poke = False):
"""
Synchronize one CA. This is the core synchronization code. Don't
call this directly, instead call one of the methods that calls
this inside a Django commit wrapper.
This method configures rpkid with data built up by the other
commands in this program. Most commands which modify IRDB values
related to rpkid should call this when they're done.
If poke is True, we append a left-right run_now operation for this
CA to the end of whatever other commands this method generates.
"""
# We can use a single BSC for everything -- except BSC key
# rollovers. Drive off that bridge when we get to it.
bsc_handle = "bsc"
# A default RPKI CRL cycle time of six hours seems sane. One
# might make a case for a day instead, but we've been running with
# six hours for a while now and haven't seen a lot of whining.
self_crl_interval = self.cfg.getint("self_crl_interval", 6 * 60 * 60, section = myrpki_section)
# regen_margin now just controls how long before RPKI certificate
# expiration we should regenerate; it used to control the interval
# before RPKI CRL staleness at which to regenerate the CRL, but
# using the same timer value for both of these is hopeless.
#
# A default regeneration margin of two weeks gives enough time for
# humans to react. We add a two hour fudge factor in the hope
# that this will regenerate certificates just *before* the
# companion cron job warns of impending doom.
self_regen_margin = self.cfg.getint("self_regen_margin", 14 * 24 * 60 * 60 + 2 * 60, section = myrpki_section)
# See what rpkid already has on file for this entity.
q_msg = self._compose_left_right_query()
SubElement(q_msg, rpki.left_right.tag_self, action = "get", self_handle = ca.handle)
SubElement(q_msg, rpki.left_right.tag_bsc, action = "list", self_handle = ca.handle)
SubElement(q_msg, rpki.left_right.tag_repository, action = "list", self_handle = ca.handle)
SubElement(q_msg, rpki.left_right.tag_parent, action = "list", self_handle = ca.handle)
SubElement(q_msg, rpki.left_right.tag_child, action = "list", self_handle = ca.handle)
r_msg = self.call_rpkid(q_msg, suppress_error_check = True)
if r_msg[0].tag == rpki.left_right.tag_self:
self.check_error_report(r_msg)
self_pdu = r_msg[0]
else:
self_pdu = None
bsc_pdus = dict((r_pdu.get("bsc_handle"), r_pdu)
for r_pdu in r_msg
if r_pdu.tag == rpki.left_right.tag_bsc)
repository_pdus = dict((r_pdu.get("repository_handle"), r_pdu)
for r_pdu in r_msg
if r_pdu.tag == rpki.left_right.tag_repository)
parent_pdus = dict((r_pdu.get("parent_handle"), r_pdu)
for r_pdu in r_msg
if r_pdu.tag == rpki.left_right.tag_parent)
child_pdus = dict((r_pdu.get("child_handle"), r_pdu)
for r_pdu in r_msg
if r_pdu.tag == rpki.left_right.tag_child)
q_msg = self._compose_left_right_query()
self_cert, created = rpki.irdb.HostedCA.objects.get_or_certify(
issuer = self.server_ca,
hosted = ca)
# There should be exactly one object per hosted entity, by definition
if (self_pdu is None or
self_pdu.get("crl_interval") != str(self_crl_interval) or
self_pdu.get("regen_margin") != str(self_regen_margin) or
self_pdu.findtext(rpki.left_right.tag_bpki_cert, "").decode("base64") != self_cert.certificate.get_DER()):
q_pdu = SubElement(q_msg, rpki.left_right.tag_self,
action = "create" if self_pdu is None else "set",
tag = "self",
self_handle = ca.handle,
crl_interval = str(self_crl_interval),
regen_margin = str(self_regen_margin))
SubElement(q_pdu, rpki.left_right.tag_bpki_cert).text = ca.certificate.get_Base64()
# In general we only need one per . BSC objects
# are a little unusual in that the keypair and PKCS #10
# subelement are generated by rpkid, so complete setup requires
# two round trips.
bsc_pdu = bsc_pdus.pop(bsc_handle, None)
if bsc_pdu is None or bsc_pdu.find(rpki.left_right.tag_pkcs10_request) is None:
SubElement(q_msg, rpki.left_right.tag_bsc,
action = "create" if bsc_pdu is None else "set",
tag = "bsc",
self_handle = ca.handle,
bsc_handle = bsc_handle,
generate_keypair = "yes")
for bsc_handle in bsc_pdus:
SubElement(q_msg, rpki.left_right.tag_bsc,
action = "destroy", self_handle = ca.handle, bsc_handle = bsc_handle)
# If we've already got actions queued up, run them now, so we
# can finish setting up the BSC before anything tries to use it.
if len(q_msg) > 0:
SubElement(q_msg, rpki.left_right.tag_bsc, action = "list", tag = "bsc", self_handle = ca.handle)
r_msg = self.call_rpkid(q_msg)
bsc_pdus = dict((r_pdu.get("bsc_handle"), r_pdu)
for r_pdu in r_msg
if r_pdu.tag == rpki.left_right.tag_bsc and r_pdu.get("action") == "list")
bsc_pdu = bsc_pdus.pop(bsc_handle, None)
q_msg = self._compose_left_right_query()
bsc_pkcs10 = bsc_pdu.find(rpki.left_right.tag_pkcs10_request)
assert bsc_pkcs10 is not None
bsc, created = rpki.irdb.BSC.objects.get_or_certify(
issuer = ca,
handle = bsc_handle,
pkcs10 = rpki.x509.PKCS10(Base64 = bsc_pkcs10.text))
if (bsc_pdu.findtext(rpki.left_right.tag_signing_cert, "").decode("base64") != bsc.certificate.get_DER() or
bsc_pdu.findtext(rpki.left_right.tag_signing_cert_crl, "").decode("base64") != ca.latest_crl.get_DER()):
q_pdu = SubElement(q_msg, rpki.left_right.tag_bsc,
action = "set",
tag = "bsc",
self_handle = ca.handle,
bsc_handle = bsc_handle)
SubElement(q_pdu, rpki.left_right.tag_signing_cert).text = bsc.certificate.get_Base64()
SubElement(q_pdu, rpki.left_right.tag_signing_cert_crl).text = ca.latest_crl.get_Base64()
# At present we need one per , not because
# rpkid requires that, but because pubd does. pubd probably should
# be fixed to support a single client allowed to update multiple
# trees, but for the moment the easiest way forward is just to
# enforce a 1:1 mapping between and objects
for repository in ca.repositories.all():
repository_pdu = repository_pdus.pop(repository.handle, None)
if (repository_pdu is None or
repository_pdu.get("bsc_handle") != bsc_handle or
repository_pdu.get("peer_contact_uri") != repository.service_uri or
repository_pdu.findtext(rpki.left_right.tag_bpki_cert, "").decode("base64") != repository.certificate.get_DER()):
q_pdu = SubElement(q_msg, rpki.left_right.tag_repository,
action = "create" if repository_pdu is None else "set",
tag = repository.handle,
self_handle = ca.handle,
repository_handle = repository.handle,
bsc_handle = bsc_handle,
peer_contact_uri = repository.service_uri)
SubElement(q_pdu, rpki.left_right.tag_bpki_cert).text = repository.certificate.get_Base64()
for repository_handle in repository_pdus:
SubElement(q_msg, rpki.left_right.tag_repository, action = "destroy",
self_handle = ca.handle, repository_handle = repository_handle)
# setup code currently assumes 1:1 mapping between
# and , and further assumes that the handles
# for an associated pair are the identical (that is:
# parent.repository_handle == parent.parent_handle).
#
# If no such repository exists, our choices are to ignore the
# parent entry or throw an error. For now, we ignore the parent.
for parent in ca.parents.all():
try:
parent_pdu = parent_pdus.pop(parent.handle, None)
if (parent_pdu is None or
parent_pdu.get("bsc_handle") != bsc_handle or
parent_pdu.get("repository_handle") != parent.handle or
parent_pdu.get("peer_contact_uri") != parent.service_uri or
parent_pdu.get("sia_base") != parent.repository.sia_base or
parent_pdu.get("sender_name") != parent.child_handle or
parent_pdu.get("recipient_name") != parent.parent_handle or
parent_pdu.findtext(rpki.left_right.tag_bpki_cms_cert, "").decode("base64") != parent.certificate.get_DER()):
q_pdu = SubElement(q_msg, rpki.left_right.tag_parent,
action = "create" if parent_pdu is None else "set",
tag = parent.handle,
self_handle = ca.handle,
parent_handle = parent.handle,
bsc_handle = bsc_handle,
repository_handle = parent.handle,
peer_contact_uri = parent.service_uri,
sia_base = parent.repository.sia_base,
sender_name = parent.child_handle,
recipient_name = parent.parent_handle)
SubElement(q_pdu, rpki.left_right.tag_bpki_cms_cert).text = parent.certificate.get_Base64()
except rpki.irdb.Repository.DoesNotExist:
pass
try:
parent_pdu = parent_pdus.pop(ca.handle, None)
if (parent_pdu is None or
parent_pdu.get("bsc_handle") != bsc_handle or
parent_pdu.get("repository_handle") != ca.handle or
parent_pdu.get("peer_contact_uri") != ca.rootd.service_uri or
parent_pdu.get("sia_base") != ca.rootd.repository.sia_base or
parent_pdu.get("sender_name") != ca.handle or
parent_pdu.get("recipient_name") != ca.handle or
parent_pdu.findtext(rpki.left_right.tag_bpki_cms_cert).decode("base64") != ca.rootd.certificate.get_DER()):
q_pdu = SubElement(q_msg, rpki.left_right.tag_parent,
action = "create" if parent_pdu is None else "set",
tag = ca.handle,
self_handle = ca.handle,
parent_handle = ca.handle,
bsc_handle = bsc_handle,
repository_handle = ca.handle,
peer_contact_uri = ca.rootd.service_uri,
sia_base = ca.rootd.repository.sia_base,
sender_name = ca.handle,
recipient_name = ca.handle)
SubElement(q_pdu, rpki.left_right.tag_bpki_cms_cert).text = ca.rootd.certificate.get_Base64()
except rpki.irdb.Rootd.DoesNotExist:
pass
for parent_handle in parent_pdus:
SubElement(q_msg, rpki.left_right.tag_parent, action = "destroy",
self_handle = ca.handle, parent_handle = parent_handle)
# Children are simpler than parents, because they call us, so no URL
# to construct and figuring out what certificate to use is their
# problem, not ours.
for child in ca.children.all():
child_pdu = child_pdus.pop(child.handle, None)
if (child_pdu is None or
child_pdu.get("bsc_handle") != bsc_handle or
child_pdu.findtext(rpki.left_right.tag_bpki_cert).decode("base64") != child.certificate.get_DER()):
q_pdu = SubElement(q_msg, rpki.left_right.tag_child,
action = "create" if child_pdu is None else "set",
tag = child.handle,
self_handle = ca.handle,
child_handle = child.handle,
bsc_handle = bsc_handle)
SubElement(q_pdu, rpki.left_right.tag_bpki_cert).text = child.certificate.get_Base64()
for child_handle in child_pdus:
SubElement(q_msg, rpki.left_right.tag_child, action = "destroy",
self_handle = ca.handle, child_handle = child_handle)
# If caller wants us to poke rpkid, add that to the very end of the message
if poke:
SubElement(q_msg, rpki.left_right.tag_self, action = "set", self_handle = ca.handle, run_now = "yes")
# If we changed anything, ship updates off to rpkid.
if len(q_msg) > 0:
self.call_rpkid(q_msg)
def synchronize_pubd_core(self):
"""
Configure pubd with data built up by the other commands in this
program. This is the core synchronization code. Don't call this
directly, instead call a methods that calls this inside a Django
commit wrapper.
This method configures pubd with data built up by the other
commands in this program. Commands which modify IRDB fields
related to pubd should call this when they're done.
"""
# If we're not running pubd, the rest of this is a waste of time
if not self.run_pubd:
return
# See what pubd already has on file
q_msg = self._compose_publication_control_query()
SubElement(q_msg, rpki.publication_control.tag_client, action = "list")
r_msg = self.call_pubd(q_msg)
client_pdus = dict((r_pdu.get("client_handle"), r_pdu)
for r_pdu in r_msg)
# Check all clients
q_msg = self._compose_publication_control_query()
for client in self.server_ca.clients.all():
client_pdu = client_pdus.pop(client.handle, None)
if (client_pdu is None or
client_pdu.get("base_uri") != client.sia_base or
client_pdu.findtext(rpki.publication_control.tag_bpki_cert, "").decode("base64") != client.certificate.get_DER()):
q_pdu = SubElement(q_msg, rpki.publication_control.tag_client,
action = "create" if client_pdu is None else "set",
client_handle = client.handle,
base_uri = client.sia_base)
SubElement(q_pdu, rpki.publication_control.tag_bpki_cert).text = client.certificate.get_Base64()
# rootd instances are also a weird sort of client
for rootd in rpki.irdb.Rootd.objects.all():
client_handle = rootd.issuer.handle + "-root"
client_pdu = client_pdus.pop(client_handle, None)
sia_base = "rsync://%s/%s/%s/" % (self.rsync_server, self.rsync_module, client_handle)
if (client_pdu is None or
client_pdu.get("base_uri") != sia_base or
client_pdu.findtext(rpki.publication_control.tag_bpki_cert, "").decode("base64") != rootd.issuer.certificate.get_DER()):
q_pdu = SubElement(q_msg, rpki.publication_control.tag_client,
action = "create" if client_pdu is None else "set",
client_handle = client_handle,
base_uri = sia_base)
SubElement(q_pdu, rpki.publication_control.tag_bpki_cert).text = rootd.issuer.certificate.get_Base64()
# Delete any unknown clients
for client_handle in client_pdus:
SubElement(q_msg, rpki.publication_control.tag_client, action = "destroy", client_handle = client_handle)
# If we changed anything, ship updates off to pubd
if len(q_msg) > 0:
self.call_pubd(q_msg)
def synchronize_rpkid_deleted_core(self):
"""
Remove any objects present in rpkid's database but not
present in the IRDB. This is the core synchronization code.
Don't call this directly, instead call a methods that calls this
inside a Django commit wrapper.
"""
q_msg = self._compose_left_right_query()
SubElement(q_msg, rpki.left_right.tag_self, action = "list")
self.call_rpkid(q_msg)
self_handles = set(s.get("self_handle") for s in r_msg)
ca_handles = set(ca.handle for ca in rpki.irdb.ResourceHolderCA.objects.all())
assert ca_handles <= self_handles
q_msg = self._compose_left_right_query()
for handle in (self_handles - ca_handles):
SubElement(q_msg, rpki.left_right.tag_self, action = "destroy", self_handle = handle)
if len(q_msg) > 0:
self.call_rpkid(q_msg)
@django.db.transaction.atomic
def add_ee_certificate_request(self, pkcs10, resources):
"""
Check a PKCS #10 request to see if it complies with the
specification for a RPKI EE certificate; if it does, add an
EECertificateRequest for it to the IRDB.
Not yet sure what we want for update and delete semantics here, so
for the moment this is straight addition. See methods like
.load_asns() and .load_prefixes() for other strategies.
"""
pkcs10.check_valid_request_ee()
ee_request = self.resource_ca.ee_certificate_requests.create(
pkcs10 = pkcs10,
gski = pkcs10.gSKI(),
valid_until = resources.valid_until)
for r in resources.asn:
ee_request.asns.create(start_as = str(r.min), end_as = str(r.max))
for r in resources.v4:
ee_request.address_ranges.create(start_ip = str(r.min), end_ip = str(r.max), version = 4)
for r in resources.v6:
ee_request.address_ranges.create(start_ip = str(r.min), end_ip = str(r.max), version = 6)
@django.db.transaction.atomic
def add_router_certificate_request(self, router_certificate_request_xml, valid_until = None):
"""
Read XML file containing one or more router certificate requests,
attempt to add request(s) to IRDB.
Check each PKCS #10 request to see if it complies with the
specification for a router certificate; if it does, create an EE
certificate request for it along with the ASN resources and
router-ID supplied in the XML.
"""
xml = ElementTree(file = router_certificate_request_xml).getroot()
rpki.relaxng.router_certificate.assertValid(xml)
for req in xml.getiterator(routercert_xmlns + "router_certificate_request"):
pkcs10 = rpki.x509.PKCS10(Base64 = req.text)
router_id = long(req.get("router_id"))
asns = rpki.resource_set.resource_set_as(req.get("asn"))
if not valid_until:
valid_until = req.get("valid_until")
if valid_until and isinstance(valid_until, (str, unicode)):
valid_until = rpki.sundial.datetime.fromXMLtime(valid_until)
if not valid_until:
valid_until = rpki.sundial.now() + rpki.sundial.timedelta(days = 365)
elif valid_until < rpki.sundial.now():
raise PastExpiration("Specified expiration date %s has already passed" % valid_until)
pkcs10.check_valid_request_router()
cn = "ROUTER-%08x" % asns[0].min
sn = "%08x" % router_id
ee_request = self.resource_ca.ee_certificate_requests.create(
pkcs10 = pkcs10,
gski = pkcs10.gSKI(),
valid_until = valid_until,
cn = cn,
sn = sn,
eku = rpki.oids.id_kp_bgpsec_router)
for r in asns:
ee_request.asns.create(start_as = str(r.min), end_as = str(r.max))
@django.db.transaction.atomic
def delete_router_certificate_request(self, gski):
"""
Delete a router certificate request from this RPKI entity.
"""
self.resource_ca.ee_certificate_requests.get(gski = gski).delete()