""" Trivial RPKI up-down protocol root server, for testing. Not suitable for production use. Overrides a bunch of method definitions from the rpki.* classes in order to reuse as much code as possible. Usage: python rootd.py [ { -c | --config } configfile ] [ { -h | --help } ] Default configuration file is rootd.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, lxml import rpki.resource_set, rpki.up_down, rpki.left_right, rpki.x509 import rpki.https, rpki.config, rpki.exceptions, rpki.relaxng import rpki.sundial, rpki.log rpki_subject_lifetime = rpki.sundial.timedelta(days = 30) def get_subject_cert(): try: x = rpki.x509.X509(Auto_file = rpki_subject_filename) return x except IOError: return None def set_subject_cert(cert): f = open(rpki_subject_filename, "wb") f.write(cert.get_DER()) f.close() def del_subject_cert(): os.remove(rpki_subject_filename) def stash_subject_pkcs10(pkcs10): if rpki_pkcs10_filename: f = open(rpki_pkcs10_filename, "wb") f.write(pkcs10.get_DER()) f.close() def compose_response(r_msg): rc = rpki.up_down.class_elt() rc.class_name = rootd_name rc.cert_url = rpki.up_down.multi_uri(rootd_cert) rc.from_resource_bag(rpki_issuer.get_3779resources()) rc.issuer = rpki_issuer r_msg.payload.classes.append(rc) rpki_subject = get_subject_cert() if rpki_subject is not None: rc.certs.append(rpki.up_down.certificate_elt()) rc.certs[0].cert_url = rpki.up_down.multi_uri(rootd_cert) rc.certs[0].cert = rpki_subject class list_pdu(rpki.up_down.list_pdu): def serve_pdu(self, q_msg, r_msg, ignored): r_msg.payload = rpki.up_down.list_response_pdu() compose_response(r_msg) class issue_pdu(rpki.up_down.issue_pdu): def serve_pdu(self, q_msg, r_msg, ignored): stash_subject_pkcs10(self.pkcs10) self.pkcs10.check_valid_rpki() r_msg.payload = rpki.up_down.issue_response_pdu() rpki_subject = get_subject_cert() if rpki_subject is None: resources = rpki_issuer.get_3779resources() rpki.log.info("Generating subject cert with resources " + str(resources)) req_key = self.pkcs10.getPublicKey() req_sia = self.pkcs10.get_SIA() crldp = rootd_base + rpki_issuer.gSKI() + ".crl" set_subject_cert(rpki_issuer.issue(keypair = rpki_key, subject_key = req_key, serial = int(time.time()), sia = req_sia, aia = rootd_cert, crldp = crldp, resources = resources, notAfter = rpki.sundial.now() + rpki_subject_lifetime)) now = rpki.sundial.now() crl = rpki.x509.CRL.generate( keypair = rpki_key, issuer = rpki_issuer, serial = 1, thisUpdate = now, nextUpdate = now + rpki_subject_lifetime, revokedCertificates = ()) f = open(os.path.dirname(rpki_subject_filename) + "/" + rpki_issuer.gSKI() + ".crl", "wb") f.write(crl.get_DER()) f.close() compose_response(r_msg) class revoke_pdu(rpki.up_down.revoke_pdu): def serve_pdu(self, q_msg, r_msg, ignored): rpki_subject = get_subject_cert() if rpki_subject is None or rpki_subject.gSKI() != self.ski: raise rpki.exceptions.NotInDatabase del_subject_cert() r_msg.payload = rpki.up_down.revoke_response_pdu() r_msg.payload.class_name = self.class_name r_msg.payload.ski = self.ski class message_pdu(rpki.up_down.message_pdu): name2type = { "list" : list_pdu, "list_response" : rpki.up_down.list_response_pdu, "issue" : issue_pdu, "issue_response" : rpki.up_down.issue_response_pdu, "revoke" : revoke_pdu, "revoke_response" : rpki.up_down.revoke_response_pdu, "error_response" : rpki.up_down.error_response_pdu } type2name = dict((v,k) for k,v in name2type.items()) class sax_handler(rpki.up_down.sax_handler): pdu = message_pdu class cms_msg(rpki.up_down.cms_msg): saxify = sax_handler.saxify def up_down_handler(query, path): try: q_msg = cms_msg.unwrap(query, (bpki_ta, child_bpki_cert)) except Exception, data: rpki.log.error(traceback.format_exc()) return 400, "Could not process PDU: %s" % data try: r_msg = q_msg.serve_top_level(None) r_cms = cms_msg.wrap(r_msg, rootd_bpki_key, rootd_bpki_cert, rootd_bpki_crl) return 200, r_cms except Exception, data: rpki.log.error(traceback.format_exc()) try: r_msg = q_msg.serve_error(data) r_cms = cms_msg.wrap(r_msg, rootd_bpki_key, rootd_bpki_cert, rootd_bpki_crl) return 200, r_cms except Exception, data: rpki.log.error(traceback.format_exc()) return 500, "Could not process PDU: %s" % data os.environ["TZ"] = "UTC" time.tzset() rpki.log.init("rootd") cfg_file = "rootd.conf" opts,argv = getopt.getopt(sys.argv[1:], "c:h?", ["config=", "help"]) for o,a in opts: if o in ("-h", "--help", "-?"): print __doc__ sys.exit(0) if o in ("-c", "--config"): cfg_file = a if argv: raise RuntimeError, "Unexpected arguments %s" % argv cfg = rpki.config.parser(cfg_file, "rootd") bpki_ta = rpki.x509.X509(Auto_file = cfg.get("bpki-ta")) rootd_bpki_key = rpki.x509.RSA( Auto_file = cfg.get("rootd-bpki-key")) rootd_bpki_cert = rpki.x509.X509(Auto_file = cfg.get("rootd-bpki-cert")) rootd_bpki_crl = rpki.x509.CRL( Auto_file = cfg.get("rootd-bpki-crl")) child_bpki_cert = rpki.x509.X509(Auto_file = cfg.get("child-bpki-cert")) https_server_host = cfg.get("server-host", "") https_server_port = int(cfg.get("server-port")) rpki_key = rpki.x509.RSA( Auto_file = cfg.get("rpki-key")) rpki_issuer = rpki.x509.X509(Auto_file = cfg.get("rpki-issuer")) rpki_subject_filename = cfg.get("rpki-subject-filename") rpki_pkcs10_filename = cfg.get("rpki-pkcs10-filename", "") rootd_name = cfg.get("rootd_name", "wombat") rootd_base = cfg.get("rootd_base", "rsync://" + rootd_name + ".invalid/") rootd_cert = cfg.get("rootd_cert", rootd_base + "rootd.cer") rpki.https.server(server_key = rootd_bpki_key, server_cert = rootd_bpki_cert, client_ta = (bpki_ta, child_bpki_cert), host = https_server_host, port = https_server_port, handlers = up_down_handler)