diff options
Diffstat (limited to 'rpki/pubd.py')
| -rw-r--r-- | rpki/pubd.py | 350 |
1 files changed, 242 insertions, 108 deletions
diff --git a/rpki/pubd.py b/rpki/pubd.py index 79315a78..389936bb 100644 --- a/rpki/pubd.py +++ b/rpki/pubd.py @@ -23,151 +23,285 @@ RPKI publication engine. import os import re +import uuid import time +import socket import logging import argparse + import rpki.resource_set -import rpki.up_down import rpki.x509 -import rpki.sql -import rpki.http import rpki.config import rpki.exceptions -import rpki.relaxng import rpki.log import rpki.publication +import rpki.publication_control import rpki.daemonize +import rpki.http_simple + +from lxml.etree import Element, SubElement logger = logging.getLogger(__name__) + class main(object): - """ - Main program for pubd. - """ + """ + Main program for pubd. + """ - def __init__(self): + def __init__(self): - os.environ["TZ"] = "UTC" - time.tzset() + os.environ.update(TZ = "UTC", + DJANGO_SETTINGS_MODULE = "rpki.django_settings.pubd") + time.tzset() - self.irbe_cms_timestamp = None + self.irbe_cms_timestamp = None - parser = argparse.ArgumentParser(description = __doc__) - parser.add_argument("-c", "--config", - help = "override default location of configuration file") - parser.add_argument("-f", "--foreground", action = "store_true", - help = "do not daemonize") - parser.add_argument("--pidfile", - help = "override default location of pid file") - parser.add_argument("--profile", - help = "enable profiling, saving data to PROFILE") - rpki.log.argparse_setup(parser) - args = parser.parse_args() + self.cfg = rpki.config.argparser(section = "pubd", doc = __doc__) + self.cfg.add_boolean_argument("--foreground", + default = False, + help = "whether to daemonize") + self.cfg.add_argument("--pidfile", + default = os.path.join(rpki.daemonize.default_pid_directory, + "pubd.pid"), + help = "override default location of pid file") + self.cfg.add_argument("--profile", + default = "", + help = "enable profiling, saving data to PROFILE") + self.cfg.add_logging_arguments() + args = self.cfg.argparser.parse_args() - self.profile = args.profile + self.profile = args.profile - rpki.log.init("pubd", args) + self.cfg.configure_logging(args = args, ident = "pubd") - self.cfg = rpki.config.parser(args.config, "pubd") - self.cfg.set_global_flags() + try: + self.cfg.set_global_flags() - if not args.foreground: - rpki.daemonize.daemon(pidfile = args.pidfile) + if not args.foreground: + rpki.daemonize.daemon(pidfile = args.pidfile) - if self.profile: - import cProfile - prof = cProfile.Profile() - try: - prof.runcall(self.main) - finally: - prof.dump_stats(self.profile) - logger.info("Dumped profile data to %s", self.profile) - else: - self.main() + if self.profile: + import cProfile + prof = cProfile.Profile() + try: + prof.runcall(self.main) + finally: + prof.dump_stats(self.profile) + logger.info("Dumped profile data to %s", self.profile) + else: + self.main() - def main(self): + except: + logger.exception("Unandled exception in rpki.pubd.main()") + sys.exit(1) - if self.profile: - logger.info("Running in profile mode with output to %s", self.profile) - self.sql = rpki.sql.session(self.cfg) + def main(self): - self.bpki_ta = rpki.x509.X509(Auto_update = self.cfg.get("bpki-ta")) - self.irbe_cert = rpki.x509.X509(Auto_update = self.cfg.get("irbe-cert")) - self.pubd_cert = rpki.x509.X509(Auto_update = self.cfg.get("pubd-cert")) - self.pubd_key = rpki.x509.RSA( Auto_update = self.cfg.get("pubd-key")) + if self.profile: + logger.info("Running in profile mode with output to %s", self.profile) - self.http_server_host = self.cfg.get("server-host", "") - self.http_server_port = self.cfg.getint("server-port") + import django + django.setup() - self.publication_base = self.cfg.get("publication-base", "publication/") + global rpki # pylint: disable=W0602 + import rpki.pubdb # pylint: disable=W0621 - self.publication_multimodule = self.cfg.getboolean("publication-multimodule", False) + self.bpki_ta = rpki.x509.X509(Auto_update = self.cfg.get("bpki-ta")) + self.irbe_cert = rpki.x509.X509(Auto_update = self.cfg.get("irbe-cert")) + self.pubd_cert = rpki.x509.X509(Auto_update = self.cfg.get("pubd-cert")) + self.pubd_key = rpki.x509.RSA( Auto_update = self.cfg.get("pubd-key")) + self.pubd_crl = rpki.x509.CRL( Auto_update = self.cfg.get("pubd-crl")) - rpki.http.server( - host = self.http_server_host, - port = self.http_server_port, - handlers = (("/control", self.control_handler), - ("/client/", self.client_handler))) + self.http_server_host = self.cfg.get("server-host", "") + self.http_server_port = self.cfg.getint("server-port") - def handler_common(self, query, client, cb, certs, crl = None): - """ - Common PDU handler code. - """ + self.publication_base = self.cfg.get("publication-base", "publication/") - def done(r_msg): - reply = rpki.publication.cms_msg().wrap(r_msg, self.pubd_key, self.pubd_cert, crl) - self.sql.sweep() - cb(reply) + self.rrdp_base_uri = self.cfg.get("rrdp-base-uri", "https://%s/rrdp/" % socket.getfqdn()) + self.rrdp_expiration_interval = rpki.sundial.timedelta.parse(self.cfg.get("rrdp-expiration-interval", "6h")) + self.rrdp_publication_base = self.cfg.get("rrdp-publication-base", "rrdp-publication/") - q_cms = rpki.publication.cms_msg(DER = query) - q_msg = q_cms.unwrap(certs) - if client is None: - self.irbe_cms_timestamp = q_cms.check_replay(self.irbe_cms_timestamp, "control") - else: - q_cms.check_replay_sql(client, client.client_handle) - q_msg.serve_top_level(self, client, done) + try: + self.session = rpki.pubdb.models.Session.objects.get() + except rpki.pubdb.models.Session.DoesNotExist: + self.session = rpki.pubdb.models.Session.objects.create(uuid = str(uuid.uuid4()), serial = 0) - def control_handler(self, query, path, cb): - """ - Process one PDU from the IRBE. - """ + rpki.http_simple.server( + host = self.http_server_host, + port = self.http_server_port, + handlers = (("/control", self.control_handler), + ("/client/", self.client_handler))) - def done(body): - cb(200, body = body) - try: - self.handler_common(query, None, done, (self.bpki_ta, self.irbe_cert)) - except (rpki.async.ExitNow, SystemExit): - raise - except Exception, e: - logger.exception("Unhandled exception processing control query, path %r", path) - cb(500, reason = "Unhandled exception %s: %s" % (e.__class__.__name__, e)) + def control_handler(self, request, q_der): + """ + Process one PDU from the IRBE. + """ - client_url_regexp = re.compile("/client/([-A-Z0-9_/]+)$", re.I) + from django.db import transaction, connection - def client_handler(self, query, path, cb): - """ - Process one PDU from a client. - """ + try: + connection.cursor() # Reconnect to mysqld if necessary + q_cms = rpki.publication_control.cms_msg(DER = q_der) + q_msg = q_cms.unwrap((self.bpki_ta, self.irbe_cert)) + self.irbe_cms_timestamp = q_cms.check_replay(self.irbe_cms_timestamp, "control") + if q_msg.get("type") != "query": + raise rpki.exceptions.BadQuery("Message type is %s, expected query" % q_msg.get("type")) + r_msg = Element(rpki.publication_control.tag_msg, nsmap = rpki.publication_control.nsmap, + type = "reply", version = rpki.publication_control.version) + + try: + q_pdu = None + with transaction.atomic(): + + for q_pdu in q_msg: + if q_pdu.tag != rpki.publication_control.tag_client: + raise rpki.exceptions.BadQuery("PDU is %s, expected client" % q_pdu.tag) + client_handle = q_pdu.get("client_handle") + action = q_pdu.get("action") + if client_handle is None: + logger.info("Control %s request", action) + else: + logger.info("Control %s request for %s", action, client_handle) + + if action in ("get", "list"): + if action == "get": + clients = rpki.pubdb.models.Client.objects.get(client_handle = client_handle), + else: + clients = rpki.pubdb.models.Client.objects.all() + for client in clients: + r_pdu = SubElement(r_msg, q_pdu.tag, action = action, + client_handle = client.client_handle, base_uri = client.base_uri) + if q_pdu.get("tag"): + r_pdu.set("tag", q_pdu.get("tag")) + SubElement(r_pdu, rpki.publication_control.tag_bpki_cert).text = client.bpki_cert.get_Base64() + if client.bpki_glue is not None: + SubElement(r_pdu, rpki.publication_control.tag_bpki_glue).text = client.bpki_glue.get_Base64() + + if action in ("create", "set"): + if action == "create": + client = rpki.pubdb.models.Client(client_handle = client_handle) + else: + client = rpki.pubdb.models.Client.objects.get(client_handle = client_handle) + if q_pdu.get("base_uri"): + client.base_uri = q_pdu.get("base_uri") + bpki_cert = q_pdu.find(rpki.publication_control.tag_bpki_cert) + if bpki_cert is not None: + client.bpki_cert = rpki.x509.X509(Base64 = bpki_cert.text) + bpki_glue = q_pdu.find(rpki.publication_control.tag_bpki_glue) + if bpki_glue is not None: + client.bpki_glue = rpki.x509.X509(Base64 = bpki_glue.text) + if q_pdu.get("clear_replay_protection") == "yes": + client.last_cms_timestamp = None + client.save() + logger.debug("Stored client_handle %s, base_uri %s, bpki_cert %r, bpki_glue %r, last_cms_timestamp %s", + client.client_handle, client.base_uri, client.bpki_cert, client.bpki_glue, + client.last_cms_timestamp) + r_pdu = SubElement(r_msg, q_pdu.tag, action = action, client_handle = client_handle) + if q_pdu.get("tag"): + r_pdu.set("tag", q_pdu.get("tag")) + + if action == "destroy": + rpki.pubdb.models.Client.objects.filter(client_handle = client_handle).delete() + r_pdu = SubElement(r_msg, q_pdu.tag, action = action, client_handle = client_handle) + if q_pdu.get("tag"): + r_pdu.set("tag", q_pdu.get("tag")) + + except Exception as e: + logger.exception("Exception processing PDU %r action = %s client_handle = %s", q_pdu, q_pdu.get("action"), q_pdu.get("client_handle")) + r_pdu = SubElement(r_msg, rpki.publication_control.tag_report_error, error_code = e.__class__.__name__) + r_pdu.text = str(e) + if q_pdu.get("tag") is not None: + r_pdu.set("tag", q_pdu.get("tag")) + + request.send_cms_response(rpki.publication_control.cms_msg().wrap(r_msg, self.pubd_key, self.pubd_cert)) + + except Exception as e: + logger.exception("Unhandled exception processing control query, path %r", request.path) + request.send_error(500, "Unhandled exception %s: %s" % (e.__class__.__name__, e)) + + + client_url_regexp = re.compile("/client/([-A-Z0-9_/]+)$", re.I) + + def client_handler(self, request, q_der): + """ + Process one PDU from a client. + """ + + from django.db import transaction, connection + + try: + connection.cursor() # Reconnect to mysqld if necessary + match = self.client_url_regexp.search(request.path) + if match is None: + raise rpki.exceptions.BadContactURL("Bad path: %s" % request.path) + client = rpki.pubdb.models.Client.objects.get(client_handle = match.group(1)) + q_cms = rpki.publication.cms_msg(DER = q_der) + q_msg = q_cms.unwrap((self.bpki_ta, client.bpki_cert, client.bpki_glue)) + client.last_cms_timestamp = q_cms.check_replay(client.last_cms_timestamp, client.client_handle) + client.save() + if q_msg.get("type") != "query": + raise rpki.exceptions.BadQuery("Message type is %s, expected query" % q_msg.get("type")) + r_msg = Element(rpki.publication.tag_msg, nsmap = rpki.publication.nsmap, + type = "reply", version = rpki.publication.version) + delta = None + try: + with transaction.atomic(): + for q_pdu in q_msg: + if q_pdu.get("uri"): + logger.info("Client %s request for %s", q_pdu.tag, q_pdu.get("uri")) + else: + logger.info("Client %s request", q_pdu.tag) + + if q_pdu.tag == rpki.publication.tag_list: + for obj in client.publishedobject_set.all(): + r_pdu = SubElement(r_msg, q_pdu.tag, uri = obj.uri, hash = obj.hash) + if q_pdu.get("tag") is not None: + r_pdu.set("tag", q_pdu.get("tag")) + + else: + assert q_pdu.tag in (rpki.publication.tag_publish, rpki.publication.tag_withdraw) + if delta is None: + delta = self.session.new_delta(rpki.sundial.now() + self.rrdp_expiration_interval) + client.check_allowed_uri(q_pdu.get("uri")) + if q_pdu.tag == rpki.publication.tag_publish: + der = q_pdu.text.decode("base64") + logger.info("Publishing %s", rpki.x509.uri_dispatch(q_pdu.get("uri"))(DER = der).tracking_data(q_pdu.get("uri"))) + delta.publish(client, der, q_pdu.get("uri"), q_pdu.get("hash")) + else: + logger.info("Withdrawing %s", q_pdu.get("uri")) + delta.withdraw(client, q_pdu.get("uri"), q_pdu.get("hash")) + r_pdu = SubElement(r_msg, q_pdu.tag, uri = q_pdu.get("uri")) + if q_pdu.get("tag") is not None: + r_pdu.set("tag", q_pdu.get("tag")) + + if delta is not None: + delta.activate(self.rrdp_publication_base) + self.session.expire_deltas() + + except Exception as e: + if isinstance(e, (rpki.exceptions.ExistingObjectAtURI, + rpki.exceptions.DifferentObjectAtURI, + rpki.exceptions.NoObjectAtURI)): + logger.warn("Database synchronization error processing PDU %r hash %s uri %s: %s", + q_pdu, q_pdu.get("hash"), q_pdu.get("uri"), e) + else: + logger.exception("Exception processing PDU %r hash = %s uri = %s", + q_pdu, q_pdu.get("hash"), q_pdu.get("uri")) + r_pdu = SubElement(r_msg, rpki.publication.tag_report_error, error_code = e.__class__.__name__) + r_pdu.text = str(e) + if q_pdu.get("tag") is not None: + r_pdu.set("tag", q_pdu.get("tag")) + + else: + if delta is not None: + self.session.synchronize_rrdp_files(self.rrdp_publication_base, self.rrdp_base_uri) + delta.update_rsync_files(self.publication_base) + + request.send_cms_response(rpki.publication.cms_msg().wrap(r_msg, self.pubd_key, self.pubd_cert, self.pubd_crl)) - def done(body): - cb(200, body = body) - - try: - match = self.client_url_regexp.search(path) - if match is None: - raise rpki.exceptions.BadContactURL("Bad path: %s" % path) - client_handle = match.group(1) - client = rpki.publication.client_elt.sql_fetch_where1(self, "client_handle = %s", (client_handle,)) - if client is None: - raise rpki.exceptions.ClientNotFound("Could not find client %s" % client_handle) - config = rpki.publication.config_elt.fetch(self) - if config is None or config.bpki_crl is None: - raise rpki.exceptions.CMSCRLNotSet - self.handler_common(query, client, done, (self.bpki_ta, client.bpki_cert, client.bpki_glue), config.bpki_crl) - except (rpki.async.ExitNow, SystemExit): - raise - except Exception, e: - logger.exception("Unhandled exception processing client query, path %r", path) - cb(500, reason = "Could not process PDU: %s" % e) + except Exception as e: + logger.exception("Unhandled exception processing client query, path %r", request.path) + request.send_error(500, "Could not process PDU: %s" % e) |