Пример #1
0
    def on_get(self, req, resp, profile, suggested_filename):
        router = [j[0] for j in authority.list_signed(
            common_name=config.cp2.get(profile, "router"))][0]
        subnets = set([ip_network(j) for j in config.cp2.get(profile, "subnets").replace(",", " ").split(" ")])
        model = config.cp2.get(profile, "model")
        build_script_path = config.cp2.get(profile, "command")
        overlay_path = config.cp2.get(profile, "overlay")
        site_script_path = config.cp2.get(profile, "script")
        suffix = config.cp2.get(profile, "filename")

        build = "/var/lib/certidude/builder/" + profile
        log_path = build + "/build.log"
        if not os.path.exists(build + "/overlay/etc/uci-defaults"):
            os.makedirs(build + "/overlay/etc/uci-defaults")
        os.system("rsync -av " + overlay_path + "/ " + build + "/overlay/")

        if site_script_path:
            template = Template(open(site_script_path).read())
            with open(build + "/overlay/etc/uci-defaults/99-site-config", "w") as fh:
                fh.write(template.render(authority_name=const.FQDN))

        proc = subprocess.Popen(("/bin/bash", build_script_path),
            stdout=open(log_path, "w"), stderr=subprocess.STDOUT,
            close_fds=True, shell=False,
            cwd=os.path.dirname(os.path.realpath(build_script_path)),
            env={"PROFILE": model, "PATH":"/usr/sbin:/usr/bin:/sbin:/bin",
                "ROUTER": router,
                "IKE": config.cp2.get(profile, "ike"),
                "ESP": config.cp2.get(profile, "esp"),
                "SUBNETS": ",".join(str(j) for j in subnets),
                "AUTHORITY_CERTIFICATE_ALGORITHM": authority.public_key.algorithm,
                "AUTHORITY_CERTIFICATE_DISTINGUISHED_NAME": cert_to_dn(authority.certificate),
                "BUILD":build, "OVERLAY":build + "/overlay/"},
            startupinfo=None, creationflags=0)
        proc.communicate()
        if proc.returncode:
            logger.info("Build script finished with non-zero exitcode, see %s for more information" % log_path)
            raise falcon.HTTPInternalServerError("Build script finished with non-zero exitcode")

        for dname in os.listdir(build):
            if dname.startswith("lede-imagebuilder-"):
                for root, dirs, files in os.walk(os.path.join(build, dname, "bin", "targets")):
                    for filename in files:
                        if filename.endswith(suffix):
                            path = os.path.join(root, filename)
                            click.echo("Serving: %s" % path)
                            resp.body = open(path, "rb").read()
                            resp.set_header("Content-Disposition", ("attachment; filename=%s" % suggested_filename))
                            return
        raise falcon.HTTPNotFound()
Пример #2
0
    def on_get(self, req, resp):
        def serialize_requests(g):
            for common_name, path, buf, req, submitted, server in g():
                try:
                    submission_address = getxattr(
                        path, "user.request.address").decode(
                            "ascii")  # TODO: move to authority.py
                except IOError:
                    submission_address = None
                try:
                    submission_hostname = getxattr(
                        path, "user.request.hostname").decode(
                            "ascii")  # TODO: move to authority.py
                except IOError:
                    submission_hostname = None
                yield dict(submitted=submitted,
                           common_name=common_name,
                           address=submission_address,
                           hostname=submission_hostname if
                           submission_hostname != submission_address else None,
                           md5sum=hashlib.md5(buf).hexdigest(),
                           sha1sum=hashlib.sha1(buf).hexdigest(),
                           sha256sum=hashlib.sha256(buf).hexdigest(),
                           sha512sum=hashlib.sha512(buf).hexdigest())

        def serialize_revoked(g):
            for common_name, path, buf, cert, signed, expired, revoked, reason in g(
                    limit=5):
                yield dict(
                    serial="%x" % cert.serial_number,
                    common_name=common_name,
                    # TODO: key type, key length, key exponent, key modulo
                    signed=signed,
                    expired=expired,
                    revoked=revoked,
                    reason=reason,
                    sha256sum=hashlib.sha256(buf).hexdigest())

        def serialize_certificates(g):
            for common_name, path, buf, cert, signed, expires in g():
                # Extract certificate tags from filesystem
                try:
                    tags = []
                    for tag in getxattr(
                            path, "user.xdg.tags").decode("utf-8").split(","):
                        if "=" in tag:
                            k, v = tag.split("=", 1)
                        else:
                            k, v = "other", tag
                        tags.append(dict(id=tag, key=k, value=v))
                except IOError:  # No such attribute(s)
                    tags = None

                attributes = {}
                for key in listxattr(path):
                    if key.startswith(b"user.machine."):
                        attributes[key[13:].decode("ascii")] = getxattr(
                            path, key).decode("ascii")

                # Extract lease information from filesystem
                try:
                    last_seen = datetime.strptime(
                        getxattr(path, "user.lease.last_seen").decode("ascii"),
                        "%Y-%m-%dT%H:%M:%S.%fZ")
                    lease = dict(
                        inner_address=getxattr(
                            path, "user.lease.inner_address").decode("ascii"),
                        outer_address=getxattr(
                            path, "user.lease.outer_address").decode("ascii"),
                        last_seen=last_seen,
                        age=datetime.utcnow() - last_seen)
                except IOError:  # No such attribute(s)
                    lease = None

                try:
                    signer_username = getxattr(
                        path, "user.signature.username").decode("ascii")
                except IOError:
                    signer_username = None

                # TODO: dedup
                yield dict(
                    serial="%x" % cert.serial_number,
                    organizational_unit=cert.subject.native.get(
                        "organizational_unit_name"),
                    common_name=common_name,
                    # TODO: key type, key length, key exponent, key modulo
                    signed=signed,
                    expires=expires,
                    sha256sum=hashlib.sha256(buf).hexdigest(),
                    signer=signer_username,
                    lease=lease,
                    tags=tags,
                    attributes=attributes or None,
                    extensions=dict([
                        (e["extn_id"].native, e["extn_value"].native)
                        for e in cert["tbs_certificate"]["extensions"]
                        if e["extn_id"].native in ("extended_key_usage", )
                    ]))

        logger.info("Logged in authority administrator %s from %s with %s" %
                    (req.context.get("user"), req.context.get("remote_addr"),
                     req.context.get("user_agent")))
        return dict(
            user=dict(name=req.context.get("user").name,
                      gn=req.context.get("user").given_name,
                      sn=req.context.get("user").surname,
                      mail=req.context.get("user").mail),
            request_submission_allowed=config.REQUEST_SUBMISSION_ALLOWED,
            service=dict(protocols=config.SERVICE_PROTOCOLS,
                         routers=[
                             j[0] for j in self.authority.list_signed(
                                 common_name=config.SERVICE_ROUTERS)
                         ]),
            authority=dict(
                builder=dict(profiles=config.IMAGE_BUILDER_PROFILES),
                tagging=[
                    dict(name=t[0], type=t[1], title=t[2])
                    for t in config.TAG_TYPES
                ],
                lease=dict(
                    offline=
                    600,  # Seconds from last seen activity to consider lease offline, OpenVPN reneg-sec option
                    dead=
                    604800  # Seconds from last activity to consider lease dead, X509 chain broken or machine discarded
                ),
                certificate=dict(
                    algorithm=self.authority.public_key.algorithm,
                    common_name=self.authority.certificate.subject.
                    native["common_name"],
                    distinguished_name=cert_to_dn(self.authority.certificate),
                    md5sum=hashlib.md5(
                        self.authority.certificate_buf).hexdigest(),
                    blob=self.authority.certificate_buf.decode("ascii"),
                ),
                mailer=dict(name=config.MAILER_NAME,
                            address=config.MAILER_ADDRESS)
                if config.MAILER_ADDRESS else None,
                machine_enrollment_subnets=config.MACHINE_ENROLLMENT_SUBNETS,
                user_enrollment_allowed=config.USER_ENROLLMENT_ALLOWED,
                user_multiple_certificates=config.USER_MULTIPLE_CERTIFICATES,
                events=config.EVENT_SOURCE_SUBSCRIBE %
                config.EVENT_SOURCE_TOKEN,
                requests=serialize_requests(self.authority.list_requests),
                signed=serialize_certificates(self.authority.list_signed),
                revoked=serialize_revoked(self.authority.list_revoked),
                admin_users=User.objects.filter_admins(),
                user_subnets=config.USER_SUBNETS or None,
                autosign_subnets=config.AUTOSIGN_SUBNETS or None,
                request_subnets=config.REQUEST_SUBNETS or None,
                admin_subnets=config.ADMIN_SUBNETS or None,
                signature=dict(
                    revocation_list_lifetime=config.REVOCATION_LIST_LIFETIME,
                    profiles=sorted(
                        [p.serialize() for p in config.PROFILES.values()],
                        key=lambda p: p.get("slug")),
                )),
            features=dict(ocsp=bool(config.OCSP_SUBNETS),
                          crl=bool(config.CRL_SUBNETS),
                          token=bool(config.TOKEN_URL),
                          tagging=True,
                          leases=True,
                          logging=config.LOGGING_BACKEND))