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# $Id$
#
# Copyright (C) 2013--2014 Dragon Research Labs ("DRL")
# Portions copyright (C) 2009--2012 Internet Systems Consortium ("ISC")
# Portions copyright (C) 2007--2008 American Registry for Internet Numbers ("ARIN")
#
# Permission to use, copy, modify, and distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notices and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND DRL, ISC, AND ARIN DISCLAIM ALL
# WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DRL,
# ISC, OR ARIN BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR
# CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
# OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
# NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
# WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
"""
RPKI publication engine.
"""
import os
import re
import uuid
import time
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
logger = logging.getLogger(__name__)
class main(object):
"""
Main program for pubd.
"""
def __init__(self):
os.environ["TZ"] = "UTC"
time.tzset()
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.profile = args.profile
rpki.log.init("pubd", args)
self.cfg = rpki.config.parser(args.config, "pubd")
self.cfg.set_global_flags()
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()
def main(self):
if self.profile:
logger.info("Running in profile mode with output to %s", self.profile)
self.sql = rpki.sql.session(self.cfg)
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"))
self.http_server_host = self.cfg.get("server-host", "")
self.http_server_port = self.cfg.getint("server-port")
self.publication_base = self.cfg.get("publication-base", "publication/")
self.publication_multimodule = self.cfg.getboolean("publication-multimodule", False)
rpki.http.server(
host = self.http_server_host,
port = self.http_server_port,
handlers = (("/control", self.control_handler),
("/client/", self.client_handler)))
def control_handler(self, query, path, cb):
"""
Process one PDU from the IRBE.
"""
def done(r_msg):
self.sql.sweep()
cb(code = 200,
body = rpki.publication_control.cms_msg().wrap(r_msg, self.pubd_key, self.pubd_cert))
try:
q_cms = rpki.publication_control.cms_msg(DER = query)
q_msg = q_cms.unwrap((self.bpki_ta, self.irbe_cert))
self.irbe_cms_timestamp = q_cms.check_replay(self.irbe_cms_timestamp, "control")
q_msg.serve_top_level(self, done)
except (rpki.async.ExitNow, SystemExit):
raise
except Exception, e:
logger.exception("Unhandled exception processing control query, path %r", path)
cb(code = 500, reason = "Unhandled exception %s: %s" % (e.__class__.__name__, e))
client_url_regexp = re.compile("/client/([-A-Z0-9_/]+)$", re.I)
def client_handler(self, query, path, cb):
"""
Process one PDU from a client.
"""
def done(r_msg):
self.sql.sweep()
cb(code = 200,
body = rpki.publication.cms_msg().wrap(r_msg, self.pubd_key, self.pubd_cert, self.pubd_crl))
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_control.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)
q_cms = rpki.publication.cms_msg(DER = query)
q_msg = q_cms.unwrap((self.bpki_ta, client.bpki_cert, client.bpki_glue))
q_cms.check_replay_sql(client, client.client_handle)
q_msg.serve_top_level(self, client, done)
except (rpki.async.ExitNow, SystemExit):
raise
except Exception, e:
logger.exception("Unhandled exception processing client query, path %r", path)
cb(code = 500,
reason = "Could not process PDU: %s" % e)
class session_obj(rpki.sql.sql_persistent):
"""
An RRDP session.
"""
# We probably need additional columns or an additional table to
# handle cleanup of old serial numbers. Not sure quite what these
# would look like, other than that the SQL datatypes are probably
# BIGINT and DATETIME. Maybe a table to track time at which we
# retired a particular serial number, or, to save us the arithmetic,
# the corresponding cleanup time?
sql_template = rpki.sql.template(
"session",
"session_id",
"uuid",
"serial")
def __repr__(self):
return rpki.log.log_repr(self, self.uuid, self.serial)
@classmethod
def fetch(cls, gctx):
"""
Fetch the one and only session, creating it if necessary.
"""
self = cls.sql_fetch(gctx, 1)
if self is None:
self = cls()
self.gctx = gctx
self.session_id = 1
self.uuid = uuid.uuid4()
self.serial = 1
self.sql_store()
return self
@property
@rpki.sql.cache_reference
def objects(self):
return object_obj.sql_fetch_where(self.gctx, "session_id = %s", (self.session_id))
def next_serial_number(self):
"""
Bump serial number
"""
self.serial += 1
self.sql_mark_dirty()
return self.serial
# More methods when I know what they look like
class object_obj(rpki.sql.sql_persistent):
"""
A published object.
"""
sql_template = rpki.sql.template(
"object",
"object_id",
"uri",
"hash",
"payload",
"published",
"withdrawn")
uri = None
published = None
withdrawn = None
def __repr__(self):
return rpki.log.log_repr(self, self.uri, self.published, self.withdrawn)
@property
@rpki.sql.cache_reference
def session(self):
return session_obj.sql_fetch(self.gctx, self.session_id)
@property
@rpki.sql.cache_reference
def client(self):
return rpki.publication_control.client_elt.sql_fetch(self.gctx, self.client_id)
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