1 files changed, 149 insertions, 0 deletions
diff --git a/rpkid.stable/pubd.py b/rpkid.stable/pubd.py
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+"""
+RPKI publication engine.
+
+Usage: python pubd.py [ { -c | --config } configfile ]
+                      [ { -h | --help } ]
+                      [ { -p | --profile } outputfile ]
+
+Default configuration file is pubd.conf, override with --config option.
+
+$Id$
+
+Copyright (C) 2007--2008  American Registry for Internet Numbers ("ARIN")
+
+Permission to use, copy, modify, and distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND ARIN DISCLAIMS ALL WARRANTIES WITH
+REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+AND FITNESS.  IN NO EVENT SHALL ARIN BE LIABLE FOR ANY SPECIAL, DIRECT,
+INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+PERFORMANCE OF THIS SOFTWARE.
+"""
+
+import traceback, os, time, getopt, sys, MySQLdb, lxml.etree
+import rpki.resource_set, rpki.up_down, rpki.left_right, rpki.x509, rpki.sql
+import rpki.https, rpki.config, rpki.exceptions, rpki.relaxng, rpki.log
+import rpki.publication
+
+class pubd_context(object):
+  """A container for various pubd parameters."""
+
+  def __init__(self, cfg):
+
+    self.sql = rpki.sql.session(cfg)
+
+    self.bpki_ta   = rpki.x509.X509(Auto_file = cfg.get("bpki-ta"))
+    self.irbe_cert = rpki.x509.X509(Auto_file = cfg.get("irbe-cert"))
+    self.pubd_cert = rpki.x509.X509(Auto_file = cfg.get("pubd-cert"))
+    self.pubd_key  = rpki.x509.RSA( Auto_file = cfg.get("pubd-key"))
+
+    self.https_server_host = cfg.get("server-host", "")
+    self.https_server_port = int(cfg.get("server-port", "4434"))
+
+    self.publication_base = cfg.get("publication-base", "publication/")
+
+  def handler_common(self, query, client, certs, crl = None):
+    """Common PDU handler code."""
+    q_msg = rpki.publication.cms_msg.unwrap(query, certs)
+    r_msg = q_msg.serve_top_level(self, client)
+    reply = rpki.publication.cms_msg.wrap(r_msg, self.pubd_key, self.pubd_cert, crl)
+    self.sql.sweep()
+    return reply
+
+  def control_handler(self, query, path):
+    """Process one PDU from the IRBE."""
+    rpki.log.trace()
+    try:
+      self.sql.ping()
+      return 200, self.handler_common(query, None, (self.bpki_ta, self.irbe_cert))
+    except Exception, data:
+      rpki.log.error(traceback.format_exc())
+      return 500, "Unhandled exception %s" % data
+
+  def client_handler(self, query, path):
+    """Process one PDU from a client."""
+    rpki.log.trace()
+    try:
+      self.sql.ping()
+      client_id = path.partition("/client/")[2]
+      if not client_id.isdigit():
+        raise rpki.exceptions.BadContactURL, "Bad path: %s" % path
+      client = rpki.publication.client_elt.sql_fetch(self, long(client_id))
+      if client is None:
+        raise rpki.exceptions.ClientNotFound, "Could not find client %s" % client_id
+      config = rpki.publication.config_elt.fetch(self)
+      if config is None or config.bpki_crl is None:
+        raise rpki.exceptions.CMSCRLNotSet
+      return 200, self.handler_common(query, client, (self.bpki_ta, client.bpki_cert, client.bpki_glue), config.bpki_crl)
+    except Exception, data:
+      rpki.log.error(traceback.format_exc())
+      return 500, "Could not process PDU: %s" % data
+
+  ## @var https_ta_cache
+  # HTTPS trust anchor cache, to avoid regenerating it for every TLS connection.
+  https_ta_cache = None
+
+  def clear_https_ta_cache(self):
+    """Clear dynamic TLS trust anchors."""
+
+    if self.https_ta_cache is not None:
+      rpki.log.debug("Clearing HTTPS trusted cert cache")
+      self.https_ta_cache = None
+
+  def build_https_ta_cache(self):
+    """Build dynamic TLS trust anchors."""
+    if self.https_ta_cache is None:
+      clients = rpki.publication.client_elt.sql_fetch_all(self)
+      self.https_ta_cache = rpki.https.build_https_ta_cache(
+        [c.bpki_cert for c in clients if c.bpki_cert is not None] +
+        [c.bpki_glue for c in clients if c.bpki_glue is not None] +
+        [self.irbe_cert, self.bpki_ta])
+    return self.https_ta_cache
+
+os.environ["TZ"] = "UTC"
+time.tzset()
+
+rpki.log.init("pubd")
+
+cfg_file = "pubd.conf"
+profile = False
+
+opts,argv = getopt.getopt(sys.argv[1:], "c:hp:?", ["config=", "help"])
+for o,a in opts:
+  if o in ("-h", "--help", "-?"):
+    print __doc__
+    sys.exit(0)
+  elif o in ("-c", "--config"):
+    cfg_file = a
+  elif o in ("-p", "--profile"):
+    profile = a
+if argv:
+  raise RuntimeError, "Unexpected arguments %s" % argv
+
+def main():
+
+  cfg = rpki.config.parser(cfg_file, "pubd")
+
+  if profile:
+    rpki.log.info("Running in profile mode with output to %s" % profile)
+
+  pctx = pubd_context(cfg)
+
+  rpki.https.server(
+    dynamic_https_trust_anchor    = pctx.build_https_ta_cache,
+    host                          = pctx.https_server_host,
+    port                          = pctx.https_server_port,
+    server_key                    = pctx.pubd_key,
+    server_cert                   = pctx.pubd_cert,
+    handlers                      = (("/control", pctx.control_handler),
+                                     ("/client/", pctx.client_handler)))
+
+if profile:
+  import cProfile
+  cProfile.run("main()", profile)
+else:
+  main()