sra/rpki.net - Dragon Research Labs RPKI Toolkit

diff options

Diffstat (limited to 'scripts/resource-cert-samples/ISP4')

0 files changed, 0 insertions, 0 deletions

# $Id$ # # 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 import os import copy import types import rpki.config import rpki.cli import rpki.sundial import rpki.log import rpki.oids import rpki.http import rpki.resource_set import rpki.relaxng import rpki.exceptions import rpki.left_right import rpki.x509 import rpki.async import rpki.irdb 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_namespace = "http://www.hactrn.net/uris/rpki/myrpki/" myrpki_version = "2" myrpki_namespaceQName = "{" + myrpki_namespace + "}" 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_namespaceQName): i.tag = i.tag[len(myrpki_namespaceQName):] else: raise BadXMLMessage, "XML tag %r is not in namespace %r" % (i.tag, myrpki_namespace) 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_namespaceQName + i.tag assert i.tag.startswith(myrpki_namespaceQName) 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 # Whether to show XML for debugging show_xml = False def __init__(self, cfg = None, handle = None, logstream = None): 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.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.commit_on_success 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.commit_on_success 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.commit_on_success def delete_self(self): """ Delete the ResourceHolderCA object corresponding to the current handle. This corresponds to deleting an rpkid <self/> 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.commit_on_success 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.cfg.get("handle", section = myrpki_section)).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") @django.db.transaction.commit_on_success 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() @django.db.transaction.commit_on_success 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: updates = [] updates.extend( rpki.left_right.self_elt.make_pdu( action = "set", tag = "%s__self" % ca.handle, self_handle = ca.handle, bpki_cert = ca.certificate) for ca in rpki.irdb.ResourceHolderCA.objects.all()) updates.extend( rpki.left_right.bsc_elt.make_pdu( action = "set", tag = "%s__bsc__%s" % (bsc.issuer.handle, bsc.handle), self_handle = bsc.issuer.handle, bsc_handle = bsc.handle, signing_cert = bsc.certificate, signing_cert_crl = bsc.issuer.latest_crl) for bsc in rpki.irdb.BSC.objects.all()) updates.extend( rpki.left_right.repository_elt.make_pdu( action = "set", tag = "%s__repository__%s" % (repository.issuer.handle, repository.handle), self_handle = repository.issuer.handle, repository_handle = repository.handle, bpki_cert = repository.certificate) for repository in rpki.irdb.Repository.objects.all()) updates.extend( rpki.left_right.parent_elt.make_pdu( action = "set", tag = "%s__parent__%s" % (parent.issuer.handle, parent.handle), self_handle = parent.issuer.handle, parent_handle = parent.handle, bpki_cms_cert = parent.certificate) for parent in rpki.irdb.Parent.objects.all()) updates.extend( rpki.left_right.parent_elt.make_pdu( action = "set", tag = "%s__rootd" % rootd.issuer.handle, self_handle = rootd.issuer.handle, parent_handle = rootd.issuer.handle, bpki_cms_cert = rootd.certificate) for rootd in rpki.irdb.Rootd.objects.all()) updates.extend( rpki.left_right.child_elt.make_pdu( action = "set", tag = "%s__child__%s" % (child.issuer.handle, child.handle), self_handle = child.issuer.handle, child_handle = child.handle, bpki_cert = child.certificate) for child in rpki.irdb.Child.objects.all()) if updates: self.check_error_report(self.call_rpkid(updates)) if self.run_pubd: updates = [] updates.append( rpki.publication.config_elt.make_pdu( action = "set", bpki_crl = self.server_ca.latest_crl)) updates.extend( rpki.publication.client_elt.make_pdu( action = "set", client_handle = client.handle, bpki_cert = client.certificate) for client in self.server_ca.clients.all()) if updates: self.check_error_report(self.call_pubd(updates)) @django.db.transaction.commit_on_success 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.commit_on_success 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_namespaceQName + "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.commit_on_success 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.commit_on_success 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.commit_on_success 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.commit_on_success def delete_rootd(self): """ Delete rootd associated with this RPKI entity. """ self.resource_ca.rootd.delete() @django.db.transaction.commit_on_success 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.commit_on_success 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.commit_on_success 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.commit_on_success 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.commit_on_success 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.commit_on_success 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.commit_on_success 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.commit_on_success 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.commit_on_success 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, *pdus): """ Issue a call to rpkid, return result. Implementation is a little silly, constructs a wrapper object, invokes it once, then throws it away. Hard to do better without rewriting a bit of the HTTP code, as we want to be sure we're using the current BPKI certificate and key objects. """ 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") if len(pdus) == 1 and isinstance(pdus[0], types.GeneratorType): pdus = tuple(pdus[0]) elif len(pdus) == 1 and isinstance(pdus[0], (tuple, list)): pdus = pdus[0] call_rpkid = rpki.async.sync_wrapper(rpki.http.caller( proto = rpki.left_right, client_key = irbe.private_key, client_cert = irbe.certificate, server_ta = self.server_ca.certificate, server_cert = rpkid.certificate, url = url, debug = self.show_xml)) return call_rpkid(*pdus) 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. """ self.call_rpkid(rpki.left_right.self_elt.make_pdu( action = "set", self_handle = self.handle, run_now = "yes")) def publish_world_now(self): """ Poke rpkid to (re)publish everything for the current handle. """ self.call_rpkid(rpki.left_right.self_elt.make_pdu( action = "set", self_handle = self.handle, publish_world_now = "yes")) def reissue(self): """ Poke rpkid to reissue everything for the current handle. """ self.call_rpkid(rpki.left_right.self_elt.make_pdu( action = "set", self_handle = self.handle, reissue = "yes")) def rekey(self): """ Poke rpkid to rekey all RPKI certificates received for the current handle. """ self.call_rpkid(rpki.left_right.self_elt.make_pdu( action = "set", self_handle = self.handle, rekey = "yes")) def revoke(self): """ Poke rpkid to revoke old RPKI keys for the current handle. """ self.call_rpkid(rpki.left_right.self_elt.make_pdu( action = "set", self_handle = self.handle, revoke = "yes")) def revoke_forgotten(self): """ Poke rpkid to revoke old forgotten RPKI keys for the current handle. """ self.call_rpkid(rpki.left_right.self_elt.make_pdu( action = "set", self_handle = self.handle, revoke_forgotten = "yes")) 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 """ self.call_rpkid(rpki.left_right.self_elt.make_pdu(action = "set", self_handle = ca.handle, clear_replay_protection = "yes") for ca in rpki.irdb.ResourceHolderCA.objects.all()) if self.run_pubd: self.call_pubd(rpki.publication.client_elt.make_pdu(action = "set", client_handle = client.handle, clear_replay_protection = "yes") for client in self.server_ca.clients.all()) def call_pubd(self, *pdus): """ Issue a call to pubd, return result. Implementation is a little silly, constructs a wrapper object, invokes it once, then throws it away. Hard to do better without rewriting a bit of the HTTP code, as we want to be sure we're using the current BPKI certificate and key objects. """ 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") if len(pdus) == 1 and isinstance(pdus[0], types.GeneratorType): pdus = tuple(pdus[0]) elif len(pdus) == 1 and isinstance(pdus[0], (tuple, list)): pdus = pdus[0] call_pubd = rpki.async.sync_wrapper(rpki.http.caller( proto = rpki.publication, client_key = irbe.private_key, client_cert = irbe.certificate, server_ta = self.server_ca.certificate, server_cert = pubd.certificate, url = url, debug = self.show_xml)) return call_pubd(*pdus) def check_error_report(self, pdus): """ Check a response from rpkid or pubd for error_report PDUs, log and throw exceptions as needed. """ if any(isinstance(pdu, (rpki.left_right.report_error_elt, rpki.publication.report_error_elt)) for pdu in pdus): for pdu in pdus: if isinstance(pdu, rpki.left_right.report_error_elt): self.log("rpkid reported failure: %s" % pdu.error_code) elif isinstance(pdu, rpki.publication.report_error_elt): self.log("pubd reported failure: %s" % pdu.error_code) else: continue if pdu.error_text: self.log(pdu.error_text) raise CouldntTalkToDaemon @django.db.transaction.commit_on_success 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 <self run_now="yes"/> 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.commit_on_success 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.commit_on_success 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.commit_on_success 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. rpkid_reply = self.call_rpkid( rpki.left_right.self_elt.make_pdu( action = "get", tag = "self", self_handle = ca.handle), rpki.left_right.bsc_elt.make_pdu( action = "list", tag = "bsc", self_handle = ca.handle), rpki.left_right.repository_elt.make_pdu(action = "list", tag = "repository", self_handle = ca.handle), rpki.left_right.parent_elt.make_pdu( action = "list", tag = "parent", self_handle = ca.handle), rpki.left_right.child_elt.make_pdu( action = "list", tag = "child", self_handle = ca.handle)) self_pdu = rpkid_reply[0] bsc_pdus = dict((x.bsc_handle, x) for x in rpkid_reply if isinstance(x, rpki.left_right.bsc_elt)) repository_pdus = dict((x.repository_handle, x) for x in rpkid_reply if isinstance(x, rpki.left_right.repository_elt)) parent_pdus = dict((x.parent_handle, x) for x in rpkid_reply if isinstance(x, rpki.left_right.parent_elt)) child_pdus = dict((x.child_handle, x) for x in rpkid_reply if isinstance(x, rpki.left_right.child_elt)) rpkid_query = [] self_cert, created = rpki.irdb.HostedCA.objects.get_or_certify( issuer = self.server_ca, hosted = ca) # There should be exactly one <self/> object per hosted entity, by definition if (isinstance(self_pdu, rpki.left_right.report_error_elt) or self_pdu.crl_interval != self_crl_interval or self_pdu.regen_margin != self_regen_margin or self_pdu.bpki_cert != self_cert.certificate): rpkid_query.append(rpki.left_right.self_elt.make_pdu( action = "create" if isinstance(self_pdu, rpki.left_right.report_error_elt) else "set", tag = "self", self_handle = ca.handle, bpki_cert = ca.certificate, crl_interval = self_crl_interval, regen_margin = self_regen_margin)) # In general we only need one <bsc/> per <self/>. BSC objects # are a little unusual in that the keypair and PKCS #10 # subelement is generated by rpkid, so complete setup requires # two round trips. bsc_pdu = bsc_pdus.pop(bsc_handle, None) if bsc_pdu is None: rpkid_query.append(rpki.left_right.bsc_elt.make_pdu( action = "create", tag = "bsc", self_handle = ca.handle, bsc_handle = bsc_handle, generate_keypair = "yes")) elif bsc_pdu.pkcs10_request is None: rpkid_query.append(rpki.left_right.bsc_elt.make_pdu( action = "set", tag = "bsc", self_handle = ca.handle, bsc_handle = bsc_handle, generate_keypair = "yes")) rpkid_query.extend(rpki.left_right.bsc_elt.make_pdu( action = "destroy", self_handle = ca.handle, bsc_handle = b) for b in bsc_pdus) # 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 rpkid_query: rpkid_query.append(rpki.left_right.bsc_elt.make_pdu(action = "list", tag = "bsc", self_handle = ca.handle)) rpkid_reply = self.call_rpkid(rpkid_query) bsc_pdus = dict((x.bsc_handle, x) for x in rpkid_reply if isinstance(x, rpki.left_right.bsc_elt) and x.action == "list") bsc_pdu = bsc_pdus.pop(bsc_handle, None) self.check_error_report(rpkid_reply) rpkid_query = [] assert bsc_pdu.pkcs10_request is not None bsc, created = rpki.irdb.BSC.objects.get_or_certify( issuer = ca, handle = bsc_handle, pkcs10 = bsc_pdu.pkcs10_request) if bsc_pdu.signing_cert != bsc.certificate or bsc_pdu.signing_cert_crl != ca.latest_crl: rpkid_query.append(rpki.left_right.bsc_elt.make_pdu( action = "set", tag = "bsc", self_handle = ca.handle, bsc_handle = bsc_handle, signing_cert = bsc.certificate, signing_cert_crl = ca.latest_crl)) # At present we need one <repository/> per <parent/>, 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 <parent/> and <repository/> objects for repository in ca.repositories.all(): repository_pdu = repository_pdus.pop(repository.handle, None) if (repository_pdu is None or repository_pdu.bsc_handle != bsc_handle or repository_pdu.peer_contact_uri != repository.service_uri or repository_pdu.bpki_cert != repository.certificate): rpkid_query.append(rpki.left_right.repository_elt.make_pdu( 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, bpki_cert = repository.certificate)) rpkid_query.extend(rpki.left_right.repository_elt.make_pdu( action = "destroy", self_handle = ca.handle, repository_handle = r) for r in repository_pdus) # <parent/> setup code currently assumes 1:1 mapping between # <repository/> and <parent/>, 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.bsc_handle != bsc_handle or parent_pdu.repository_handle != parent.handle or parent_pdu.peer_contact_uri != parent.service_uri or parent_pdu.sia_base != parent.repository.sia_base or parent_pdu.sender_name != parent.child_handle or parent_pdu.recipient_name != parent.parent_handle or parent_pdu.bpki_cms_cert != parent.certificate): rpkid_query.append(rpki.left_right.parent_elt.make_pdu( 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, bpki_cms_cert = parent.certificate)) except rpki.irdb.Repository.DoesNotExist: pass try: parent_pdu = parent_pdus.pop(ca.handle, None) if (parent_pdu is None or parent_pdu.bsc_handle != bsc_handle or parent_pdu.repository_handle != ca.handle or parent_pdu.peer_contact_uri != ca.rootd.service_uri or parent_pdu.sia_base != ca.rootd.repository.sia_base or parent_pdu.sender_name != ca.handle or parent_pdu.recipient_name != ca.handle or parent_pdu.bpki_cms_cert != ca.rootd.certificate): rpkid_query.append(rpki.left_right.parent_elt.make_pdu( 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, bpki_cms_cert = ca.rootd.certificate)) except rpki.irdb.Rootd.DoesNotExist: pass rpkid_query.extend(rpki.left_right.parent_elt.make_pdu( action = "destroy", self_handle = ca.handle, parent_handle = p) for p in parent_pdus) # 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.bsc_handle != bsc_handle or child_pdu.bpki_cert != child.certificate): rpkid_query.append(rpki.left_right.child_elt.make_pdu( action = "create" if child_pdu is None else "set", tag = child.handle, self_handle = ca.handle, child_handle = child.handle, bsc_handle = bsc_handle, bpki_cert = child.certificate)) rpkid_query.extend(rpki.left_right.child_elt.make_pdu( action = "destroy", self_handle = ca.handle, child_handle = c) for c in child_pdus) # If caller wants us to poke rpkid, add that to the very end of the message if poke: rpkid_query.append(rpki.left_right.self_elt.make_pdu( action = "set", self_handle = ca.handle, run_now = "yes")) # If we changed anything, ship updates off to rpkid if rpkid_query: rpkid_reply = self.call_rpkid(rpkid_query) bsc_pdus = dict((x.bsc_handle, x) for x in rpkid_reply if isinstance(x, rpki.left_right.bsc_elt)) if bsc_handle in bsc_pdus and bsc_pdus[bsc_handle].pkcs10_request: bsc_req = bsc_pdus[bsc_handle].pkcs10_request self.check_error_report(rpkid_reply) 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 # Make sure that pubd's BPKI CRL is up to date. self.call_pubd(rpki.publication.config_elt.make_pdu( action = "set", bpki_crl = self.server_ca.latest_crl)) # See what pubd already has on file pubd_reply = self.call_pubd(rpki.publication.client_elt.make_pdu(action = "list")) client_pdus = dict((x.client_handle, x) for x in pubd_reply if isinstance(x, rpki.publication.client_elt)) pubd_query = [] # Check all clients for client in self.server_ca.clients.all(): client_pdu = client_pdus.pop(client.handle, None) if (client_pdu is None or client_pdu.base_uri != client.sia_base or client_pdu.bpki_cert != client.certificate): pubd_query.append(rpki.publication.client_elt.make_pdu( action = "create" if client_pdu is None else "set", client_handle = client.handle, bpki_cert = client.certificate, base_uri = client.sia_base)) # Delete any unknown clients pubd_query.extend(rpki.publication.client_elt.make_pdu( action = "destroy", client_handle = p) for p in client_pdus) # If we changed anything, ship updates off to pubd if pubd_query: pubd_reply = self.call_pubd(pubd_query) self.check_error_report(pubd_reply) def synchronize_rpkid_deleted_core(self): """ Remove any <self/> 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. """ rpkid_reply = self.call_rpkid(rpki.left_right.self_elt.make_pdu(action = "list")) self.check_error_report(rpkid_reply) self_handles = set(s.self_handle for s in rpkid_reply) ca_handles = set(ca.handle for ca in rpki.irdb.ResourceHolderCA.objects.all()) assert ca_handles <= self_handles rpkid_query = [rpki.left_right.self_elt.make_pdu(action = "destroy", self_handle = handle) for handle in (self_handles - ca_handles)] if rpkid_query: rpkid_reply = self.call_rpkid(rpkid_query) self.check_error_report(rpkid_reply)


context:
space:
mode: