1379 lines
64 KiB
Python
Executable File
1379 lines
64 KiB
Python
Executable File
# coding: utf-8
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import asyncore
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import click
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import hashlib
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import logging
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import os
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import pwd
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import random
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import re
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import signal
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import socket
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import string
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import subprocess
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import sys
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from configparser import ConfigParser, NoOptionError, NoSectionError
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from certidude.helpers import certidude_request_certificate
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from certidude.common import expand_paths, ip_address, ip_network, apt, rpm, pip
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from datetime import datetime, timedelta
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import const
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logger = logging.getLogger(__name__)
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# http://www.mad-hacking.net/documentation/linux/security/ssl-tls/creating-ca.xml
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# https://kjur.github.io/jsrsasign/
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# keyUsage, extendedKeyUsage - https://www.openssl.org/docs/apps/x509v3_client_config.html
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# strongSwan key paths - https://wiki.strongswan.org/projects/1/wiki/SimpleCA
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# Parse command-line argument defaults from environment
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NOW = datetime.utcnow().replace(tzinfo=None)
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@click.command("request", help="Run processes for requesting certificates and configuring services")
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@click.option("-r", "--renew", default=False, is_flag=True, help="Renew now")
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@click.option("-f", "--fork", default=False, is_flag=True, help="Fork to background")
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@click.option("-nw", "--no-wait", default=False, is_flag=True, help="Return immideately if server doesn't autosign")
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def certidude_request(fork, renew, no_wait):
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rpm("openssl")
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apt("openssl")
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import requests
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from jinja2 import Environment, PackageLoader
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env = Environment(loader=PackageLoader("certidude", "templates"), trim_blocks=True)
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if not os.path.exists(const.CLIENT_CONFIG_PATH):
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click.echo("No %s!" % const.CLIENT_CONFIG_PATH)
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return 1
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if not os.path.exists(const.SERVICES_CONFIG_PATH):
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click.echo("No %s!" % const.SERVICES_CONFIG_PATH)
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return 1
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clients = ConfigParser()
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clients.readfp(open(const.CLIENT_CONFIG_PATH))
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service_config = ConfigParser()
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service_config.readfp(open(const.SERVICES_CONFIG_PATH))
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# Process directories
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if not os.path.exists(const.RUN_DIR):
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click.echo("Creating: %s" % const.RUN_DIR)
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os.makedirs(const.RUN_DIR)
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context = globals()
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context.update(locals())
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if not os.path.exists("/etc/systemd/system/certidude.timer"):
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click.echo("Creating systemd timer...")
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with open("/etc/systemd/system/certidude.timer", "w") as fh:
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fh.write(env.get_template("client/certidude.timer").render(context))
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if not os.path.exists("/etc/systemd/system/certidude.service"):
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click.echo("Creating systemd service...")
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with open("/etc/systemd/system/certidude.service", "w") as fh:
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fh.write(env.get_template("client/certidude.service").render(context))
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for authority in clients.sections():
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try:
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endpoint_dhparam = clients.get(authority, "dhparam path")
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if not os.path.exists(endpoint_dhparam):
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cmd = "openssl", "dhparam", "-out", endpoint_dhparam, ("512" if os.getenv("TRAVIS") else "2048")
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subprocess.check_call(cmd)
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except NoOptionError:
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pass
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try:
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endpoint_insecure = clients.getboolean(authority, "insecure")
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except NoOptionError:
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endpoint_insecure = False
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try:
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endpoint_common_name = clients.get(authority, "common name")
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except NoOptionError:
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endpoint_common_name = const.HOSTNAME
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try:
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endpoint_key_path = clients.get(authority, "key path")
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except NoOptionError:
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endpoint_key_path = "/var/lib/certidude/%s/keys/%s.pem" % (authority, const.HOSTNAME)
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try:
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endpoint_request_path = clients.get(authority, "request path")
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except NoOptionError:
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endpoint_request_path = "/var/lib/certidude/%s/requests/%s.pem" % (authority, const.HOSTNAME)
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try:
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endpoint_certificate_path = clients.get(authority, "certificate path")
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except NoOptionError:
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endpoint_certificate_path = "/var/lib/certidude/%s/signed/%s.pem" % (authority, const.HOSTNAME)
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try:
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endpoint_authority_path = clients.get(authority, "authority path")
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except NoOptionError:
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endpoint_authority_path = "/var/lib/certidude/%s/ca_crt.pem" % authority
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try:
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endpoint_revocations_path = clients.get(authority, "revocations path")
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except NoOptionError:
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endpoint_revocations_path = "/var/lib/certidude/%s/ca_crl.pem" % authority
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# TODO: Create directories automatically
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system_keytab_required = False
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if clients.get(authority, "trigger") == "domain joined":
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system_keytab_required = True
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if not os.path.exists("/etc/krb5.keytab"):
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continue
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elif clients.get(authority, "trigger") != "interface up":
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continue
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pid_path = os.path.join(const.RUN_DIR, authority + ".pid")
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try:
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with open(pid_path) as fh:
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pid = int(fh.readline())
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os.kill(pid, signal.SIGTERM)
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click.echo("Terminated process %d" % pid)
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os.unlink(pid_path)
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except EnvironmentError:
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pass
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if fork:
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child_pid = os.fork()
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else:
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child_pid = None
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if child_pid:
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click.echo("Spawned certificate request process with PID %d" % (child_pid))
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continue
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with open(pid_path, "w") as fh:
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fh.write("%d\n" % os.getpid())
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retries = 30
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while retries > 0:
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try:
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certidude_request_certificate(
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authority,
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system_keytab_required,
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endpoint_key_path,
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endpoint_request_path,
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endpoint_certificate_path,
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endpoint_authority_path,
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endpoint_revocations_path,
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endpoint_common_name,
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insecure=endpoint_insecure,
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autosign=True,
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wait=not no_wait,
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renew=renew)
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break
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except requests.exceptions.Timeout:
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retries -= 1
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continue
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for endpoint in service_config.sections():
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if service_config.get(endpoint, "authority") != authority:
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continue
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click.echo("Configuring '%s'" % endpoint)
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csummer = hashlib.sha1()
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csummer.update(endpoint.encode("ascii"))
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csum = csummer.hexdigest()
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uuid = csum[:8] + "-" + csum[8:12] + "-" + csum[12:16] + "-" + csum[16:20] + "-" + csum[20:32]
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# Intranet HTTPS handled by PKCS#12 bundle generation,
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# so it will not be implemented here
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# OpenVPN set up with initscripts
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if service_config.get(endpoint, "service") == "init/openvpn":
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if os.path.exists("/etc/openvpn/%s.disabled" % endpoint) and not os.path.exists("/etc/openvpn/%s.conf" % endpoint):
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os.rename("/etc/openvpn/%s.disabled" % endpoint, "/etc/openvpn/%s.conf" % endpoint)
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if os.path.exists("/bin/systemctl"):
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click.echo("Re-running systemd generators for OpenVPN...")
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os.system("systemctl daemon-reload")
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if not os.path.exists("/etc/systemd/system/openvpn-reconnect.service"):
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with open("/etc/systemd/system/openvpn-reconnect.service", "wb") as fh:
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fh.write(env.get_template("client/openvpn-reconnect.service").render(context))
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click.echo("Created /etc/systemd/system/openvpn-reconnect.service")
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click.echo("Starting OpenVPN...")
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os.system("service openvpn start")
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continue
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# IPSec set up with initscripts
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if service_config.get(endpoint, "service") == "init/strongswan":
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remote = service_config.get(endpoint, "remote")
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from ipsecparse import loads
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config = loads(open("%s/ipsec.conf" % const.STRONGSWAN_PREFIX).read())
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for section_type, section_name in config:
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# Identify correct ipsec.conf section by leftcert
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if section_type != "conn":
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continue
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if config[section_type,section_name]["leftcert"] != endpoint_certificate_path:
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continue
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if config[section_type,section_name]["left"] == "%defaultroute":
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config[section_type,section_name]["auto"] = "start" # This is client
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elif config[section_type,section_name]["leftsourceip"]:
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config[section_type,section_name]["auto"] = "add" # This is server
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else:
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config[section_type,section_name]["auto"] = "route" # This is site-to-site tunnel
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with open("%s/ipsec.conf.part" % const.STRONGSWAN_PREFIX, "w") as fh:
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fh.write(config.dumps())
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os.rename(
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"%s/ipsec.conf.part" % const.STRONGSWAN_PREFIX,
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"%s/ipsec.conf" % const.STRONGSWAN_PREFIX)
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break
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# Regenerate /etc/ipsec.secrets
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with open("%s/ipsec.secrets.part" % const.STRONGSWAN_PREFIX, "w") as fh:
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for filename in os.listdir("%s/ipsec.d/private" % const.STRONGSWAN_PREFIX):
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if not filename.endswith(".pem"):
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continue
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fh.write(": RSA %s/ipsec.d/private/%s\n" % (const.STRONGSWAN_PREFIX, filename))
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os.rename(
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"%s/ipsec.secrets.part" % const.STRONGSWAN_PREFIX,
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"%s/ipsec.secrets" % const.STRONGSWAN_PREFIX)
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# Attempt to reload config or start if it's not running
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if os.path.exists("/usr/sbin/strongswan"): # wtf fedora
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if os.system("strongswan update"):
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os.system("strongswan start")
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else:
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if os.system("ipsec update"):
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os.system("ipsec start")
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continue
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# OpenVPN set up with NetworkManager
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if service_config.get(endpoint, "service") == "network-manager/openvpn":
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try:
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endpoint_port = service_config.getint(endpoint, "port")
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except NoOptionError:
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endpoint_port = 1194
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try:
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endpoint_proto = service_config.get(endpoint, "proto")
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except NoOptionError:
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endpoint_proto = "udp"
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# NetworkManager-strongswan-gnome
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nm_config_path = os.path.join("/etc/NetworkManager/system-connections", endpoint)
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if os.path.exists(nm_config_path):
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click.echo("Not creating %s, remove to regenerate" % nm_config_path)
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continue
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nm_config = ConfigParser()
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nm_config.add_section("connection")
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nm_config.set("connection", "id", endpoint)
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nm_config.set("connection", "uuid", uuid)
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nm_config.set("connection", "type", "vpn")
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nm_config.add_section("vpn")
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nm_config.set("vpn", "service-type", "org.freedesktop.NetworkManager.openvpn")
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nm_config.set("vpn", "connection-type", "tls")
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nm_config.set("vpn", "comp-lzo", "yes")
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nm_config.set("vpn", "cert-pass-flags", "0")
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nm_config.set("vpn", "tap-dev", "no")
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nm_config.set("vpn", "remote-cert-tls", "server") # Assert TLS Server flag of X.509 certificate
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nm_config.set("vpn", "remote", service_config.get(endpoint, "remote"))
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nm_config.set("vpn", "port", endpoint_port)
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nm_config.set("vpn", "proto", endpoint_proto)
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nm_config.set("vpn", "key", endpoint_key_path)
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nm_config.set("vpn", "cert", endpoint_certificate_path)
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nm_config.set("vpn", "ca", endpoint_authority_path)
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nm_config.add_section("ipv4")
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nm_config.set("ipv4", "method", "auto")
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nm_config.set("ipv4", "never-default", "true")
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nm_config.add_section("ipv6")
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nm_config.set("ipv6", "method", "auto")
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# Prevent creation of files with liberal permissions
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os.umask(0o177)
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# Write NetworkManager configuration
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with open(nm_config_path, "w") as fh:
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nm_config.write(fh)
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click.echo("Created %s" % nm_config_path)
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os.system("nmcli con reload")
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continue
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# IPSec set up with NetworkManager
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elif service_config.get(endpoint, "service") == "network-manager/strongswan":
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client_config = ConfigParser()
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nm_config = ConfigParser()
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nm_config.add_section("connection")
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nm_config.set("connection", "id", endpoint)
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nm_config.set("connection", "uuid", uuid)
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nm_config.set("connection", "type", "vpn")
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nm_config.add_section("vpn")
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nm_config.set("vpn", "service-type", "org.freedesktop.NetworkManager.strongswan")
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nm_config.set("vpn", "encap", "no")
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nm_config.set("vpn", "virtual", "yes")
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nm_config.set("vpn", "method", "key")
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nm_config.set("vpn", "ipcomp", "no")
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nm_config.set("vpn", "address", service_config.get(endpoint, "remote"))
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nm_config.set("vpn", "userkey", endpoint_key_path)
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nm_config.set("vpn", "usercert", endpoint_certificate_path)
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nm_config.set("vpn", "certificate", endpoint_authority_path)
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nm_config.add_section("ipv4")
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nm_config.set("ipv4", "method", "auto")
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# Add routes, may need some more tweaking
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if service_config.has_option(endpoint, "route"):
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for index, subnet in enumerate(service_config.get(endpoint, "route").split(","), start=1):
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nm_config.set("ipv4", "route%d" % index, subnet)
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# Prevent creation of files with liberal permissions
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os.umask(0o177)
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# Write NetworkManager configuration
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with open(os.path.join("/etc/NetworkManager/system-connections", endpoint), "w") as fh:
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nm_config.write(fh)
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click.echo("Created %s" % fh.name)
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os.system("nmcli con reload")
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continue
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# TODO: Puppet, OpenLDAP, <insert awesomeness here>
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click.echo("Unknown service: %s" % service_config.get(endpoint, "service"))
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os.unlink(pid_path)
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@click.command("server", help="Set up OpenVPN server")
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@click.argument("authority")
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@click.option("--common-name", "-cn", default=const.FQDN, help="Common name, %s by default" % const.FQDN)
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@click.option("--subnet", "-s", default="192.168.33.0/24", type=ip_network, help="OpenVPN subnet, 192.168.33.0/24 by default")
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@click.option("--local", "-l", default="0.0.0.0", help="OpenVPN listening address, defaults to all interfaces")
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@click.option("--port", "-p", default=1194, type=click.IntRange(1,60000), help="OpenVPN listening port, 1194 by default")
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@click.option('--proto', "-t", default="udp", type=click.Choice(['udp', 'tcp']), help="OpenVPN transport protocol, UDP by default")
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@click.option("--route", "-r", type=ip_network, multiple=True, help="Subnets to advertise via this connection, multiple allowed")
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@click.option("--config", "-o",
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default="/etc/openvpn/site-to-client.conf",
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type=click.File(mode="w", atomic=True, lazy=True),
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help="OpenVPN configuration file")
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def certidude_setup_openvpn_server(authority, common_name, config, subnet, route, local, proto, port):
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# Install dependencies
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apt("openvpn")
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rpm("openvpn")
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# Create corresponding section in Certidude client configuration file
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client_config = ConfigParser()
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if os.path.exists(const.CLIENT_CONFIG_PATH):
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client_config.readfp(open(const.CLIENT_CONFIG_PATH))
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if client_config.has_section(authority):
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click.echo("Section '%s' already exists in %s, remove to regenerate" % (authority, const.CLIENT_CONFIG_PATH))
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else:
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client_config.add_section(authority)
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client_config.set(authority, "trigger", "interface up")
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client_config.set(authority, "common name", common_name)
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slug = common_name.replace(".", "-")
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client_config.set(authority, "request path", "/etc/openvpn/keys/%s.csr" % slug)
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client_config.set(authority, "key path", "/etc/openvpn/keys/%s.key" % slug)
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client_config.set(authority, "certificate path", "/etc/openvpn/keys/%s.crt" % slug)
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client_config.set(authority, "authority path", "/etc/openvpn/keys/ca.crt")
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client_config.set(authority, "revocations path", "/etc/openvpn/keys/ca.crl")
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client_config.set(authority, "dhparam path", "/etc/openvpn/keys/dhparam.pem")
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with open(const.CLIENT_CONFIG_PATH + ".part", 'wb') as fh:
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client_config.write(fh)
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os.rename(const.CLIENT_CONFIG_PATH + ".part", const.CLIENT_CONFIG_PATH)
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click.echo("Section '%s' added to %s" % (authority, const.CLIENT_CONFIG_PATH))
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|
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# Create corresponding section in /etc/certidude/services.conf
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endpoint = "OpenVPN server %s of %s" % (common_name, authority)
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service_config = ConfigParser()
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if os.path.exists(const.SERVICES_CONFIG_PATH):
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service_config.readfp(open(const.SERVICES_CONFIG_PATH))
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if service_config.has_section(endpoint):
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click.echo("Section '%s' already exists in %s, not reconfiguring" % (endpoint, const.SERVICES_CONFIG_PATH))
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else:
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service_config.add_section(endpoint)
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service_config.set(endpoint, "authority", authority)
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service_config.set(endpoint, "service", "init/openvpn")
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with open(const.SERVICES_CONFIG_PATH + ".part", 'wb') as fh:
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service_config.write(fh)
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os.rename(const.SERVICES_CONFIG_PATH + ".part", const.SERVICES_CONFIG_PATH)
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click.echo("Section '%s' added to %s" % (endpoint, const.SERVICES_CONFIG_PATH))
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authority_hostname = authority.split(".")[0]
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config.write("server %s %s\n" % (subnet.network_address, subnet.netmask))
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config.write("dev tun-%s\n" % authority_hostname)
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config.write("proto %s\n" % proto)
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config.write("port %d\n" % port)
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config.write("local %s\n" % local)
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config.write("key %s\n" % client_config.get(authority, "key path"))
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config.write("cert %s\n" % client_config.get(authority, "certificate path"))
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config.write("ca %s\n" % client_config.get(authority, "authority path"))
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config.write("dh %s\n" % client_config.get(authority, "dhparam path"))
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config.write("comp-lzo\n")
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config.write("user nobody\n")
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config.write("group nogroup\n")
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config.write("persist-tun\n")
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config.write("persist-key\n")
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config.write("#ifconfig-pool-persist /tmp/openvpn-leases.txt\n")
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config.write("#crl-verify %s\n" % client_config.get(authority, "revocations path"))
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click.echo("Generated %s" % config.name)
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click.echo("Inspect generated files and issue following to request certificate:")
|
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click.echo()
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|
click.echo(" certidude request")
|
|
|
|
|
|
@click.command("nginx", help="Set up nginx as HTTPS server")
|
|
@click.argument("authority")
|
|
@click.option("--common-name", "-cn", default=const.FQDN, help="Common name, %s by default" % const.FQDN)
|
|
@click.option("--tls-config",
|
|
default="/etc/nginx/conf.d/tls.conf",
|
|
type=click.File(mode="w", atomic=True, lazy=True),
|
|
help="TLS configuration file of nginx, /etc/nginx/conf.d/tls.conf by default")
|
|
@click.option("--site-config", "-o",
|
|
default="/etc/nginx/sites-available/%s.conf" % const.HOSTNAME,
|
|
type=click.File(mode="w", atomic=True, lazy=True),
|
|
help="Site configuration file of nginx, /etc/nginx/sites-available/%s.conf by default" % const.HOSTNAME)
|
|
@click.option("--directory", "-d", default="/etc/nginx/ssl", help="Directory for keys, /etc/nginx/ssl by default")
|
|
@click.option("--key-path", "-key", default=const.HOSTNAME + ".key", help="Key path, %s.key relative to -d by default" % const.HOSTNAME)
|
|
@click.option("--request-path", "-csr", default=const.HOSTNAME + ".csr", help="Request path, %s.csr relative to -d by default" % const.HOSTNAME)
|
|
@click.option("--certificate-path", "-crt", default=const.HOSTNAME + ".crt", help="Certificate path, %s.crt relative to -d by default" % const.HOSTNAME)
|
|
@click.option("--dhparam-path", "-dh", default="dhparam2048.pem", help="Diffie/Hellman parameters path, dhparam2048.pem relative to -d by default")
|
|
@click.option("--authority-path", "-ca", default="ca.crt", help="Certificate authority certificate path, ca.crt relative to -d by default")
|
|
@click.option("--revocations-path", "-crl", default="ca.crl", help="Certificate revocation list, ca.crl relative to -d by default")
|
|
@click.option("--verify-client", "-vc", default="optional", type=click.Choice(['optional', 'on', 'off']))
|
|
@expand_paths()
|
|
def certidude_setup_nginx(authority, site_config, tls_config, common_name, directory, key_path, request_path, certificate_path, authority_path, revocations_path, dhparam_path, verify_client):
|
|
if not os.path.exists("/etc/nginx"):
|
|
raise ValueError("nginx not installed")
|
|
if "." not in common_name:
|
|
raise ValueError("Fully qualified hostname not specified as common name, make sure hostname -f works")
|
|
client_config = ConfigParser()
|
|
if os.path.exists(const.CLIENT_CONFIG_PATH):
|
|
client_config.readfp(open(const.CLIENT_CONFIG_PATH))
|
|
if client_config.has_section(authority):
|
|
click.echo("Section '%s' already exists in %s, remove to regenerate" % (authority, const.CLIENT_CONFIG_PATH))
|
|
else:
|
|
client_config.add_section(authority)
|
|
client_config.set(authority, "trigger", "interface up")
|
|
client_config.set(authority, "common name", common_name)
|
|
client_config.set(authority, "request path", request_path)
|
|
client_config.set(authority, "key path", key_path)
|
|
client_config.set(authority, "certificate path", certificate_path)
|
|
client_config.set(authority, "authority path", authority_path)
|
|
client_config.set(authority, "dhparam path", dhparam_path)
|
|
client_config.set(authority, "revocations path", revocations_path)
|
|
with open(const.CLIENT_CONFIG_PATH + ".part", 'wb') as fh:
|
|
client_config.write(fh)
|
|
os.rename(const.CLIENT_CONFIG_PATH + ".part", const.CLIENT_CONFIG_PATH)
|
|
click.echo("Section '%s' added to %s" % (authority, const.CLIENT_CONFIG_PATH))
|
|
|
|
context = globals() # Grab const.BLAH
|
|
context.update(locals())
|
|
|
|
if os.path.exists(site_config.name):
|
|
click.echo("Configuration file %s already exists, not overwriting" % site_config.name)
|
|
else:
|
|
site_config.write(env.get_template("nginx-https-site.conf").render(context))
|
|
click.echo("Generated %s" % site_config.name)
|
|
|
|
if os.path.exists(tls_config.name):
|
|
click.echo("Configuration file %s already exists, not overwriting" % tls_config.name)
|
|
else:
|
|
tls_config.write(env.get_template("nginx-tls.conf").render(context))
|
|
click.echo("Generated %s" % tls_config.name)
|
|
|
|
|
|
click.echo()
|
|
click.echo("Inspect configuration files, enable it and start nginx service:")
|
|
click.echo()
|
|
click.echo(" ln -s %s /etc/nginx/sites-enabled/%s" % (
|
|
os.path.relpath(site_config.name, "/etc/nginx/sites-enabled"),
|
|
os.path.basename(site_config.name)))
|
|
click.echo(" service nginx restart")
|
|
click.echo()
|
|
|
|
|
|
@click.command("client", help="Set up OpenVPN client")
|
|
@click.argument("authority")
|
|
@click.argument("remote")
|
|
@click.option("--common-name", "-cn", default=const.HOSTNAME, help="Common name, %s by default" % const.HOSTNAME)
|
|
@click.option('--proto', "-t", default="udp", type=click.Choice(['udp', 'tcp']), help="OpenVPN transport protocol, UDP by default")
|
|
@click.option("--config", "-o",
|
|
default="/etc/openvpn/client-to-site.conf",
|
|
type=click.File(mode="w", atomic=True, lazy=True),
|
|
help="OpenVPN configuration file")
|
|
def certidude_setup_openvpn_client(authority, remote, common_name, config, proto):
|
|
# Install dependencies
|
|
apt("openvpn")
|
|
rpm("openvpn")
|
|
|
|
# Create corresponding section in Certidude client configuration file
|
|
client_config = ConfigParser()
|
|
if os.path.exists(const.CLIENT_CONFIG_PATH):
|
|
client_config.readfp(open(const.CLIENT_CONFIG_PATH))
|
|
if client_config.has_section(authority):
|
|
click.echo("Section '%s' already exists in %s, remove to regenerate" % (authority, const.CLIENT_CONFIG_PATH))
|
|
else:
|
|
client_config.add_section(authority)
|
|
client_config.set(authority, "trigger", "interface up")
|
|
client_config.set(authority, "common name", common_name)
|
|
client_config.set(authority, "request path", "/etc/openvpn/keys/%s.csr" % const.common_name)
|
|
client_config.set(authority, "key path", "/etc/openvpn/keys/%s.key" % common_name)
|
|
client_config.set(authority, "certificate path", "/etc/openvpn/keys/%s.crt" % common_name)
|
|
client_config.set(authority, "authority path", "/etc/openvpn/keys/ca.crt")
|
|
client_config.set(authority, "revocations path", "/etc/openvpn/keys/ca.crl")
|
|
with open(const.CLIENT_CONFIG_PATH + ".part", 'wb') as fh:
|
|
client_config.write(fh)
|
|
os.rename(const.CLIENT_CONFIG_PATH + ".part", const.CLIENT_CONFIG_PATH)
|
|
click.echo("Section '%s' added to %s" % (authority, const.CLIENT_CONFIG_PATH))
|
|
|
|
# Create corresponding section in /etc/certidude/services.conf
|
|
endpoint = "OpenVPN to %s" % remote
|
|
service_config = ConfigParser()
|
|
if os.path.exists(const.SERVICES_CONFIG_PATH):
|
|
service_config.readfp(open(const.SERVICES_CONFIG_PATH))
|
|
if service_config.has_section(endpoint):
|
|
click.echo("Section '%s' already exists in %s, not reconfiguring" % (endpoint, const.SERVICES_CONFIG_PATH))
|
|
else:
|
|
service_config.add_section(endpoint)
|
|
service_config.set(endpoint, "authority", authority)
|
|
service_config.set(endpoint, "service", "init/openvpn")
|
|
service_config.set(endpoint, "remote", remote)
|
|
with open(const.SERVICES_CONFIG_PATH + ".part", 'wb') as fh:
|
|
service_config.write(fh)
|
|
os.rename(const.SERVICES_CONFIG_PATH + ".part", const.SERVICES_CONFIG_PATH)
|
|
click.echo("Section '%s' added to %s" % (endpoint, const.SERVICES_CONFIG_PATH))
|
|
|
|
config.write("client\n")
|
|
config.write("remote %s\n" % remote)
|
|
config.write("remote-cert-tls server\n")
|
|
config.write("proto %s\n" % proto)
|
|
config.write("dev tun\n")
|
|
config.write("nobind\n")
|
|
config.write("key %s\n" % client_config.get(authority, "key path"))
|
|
config.write("cert %s\n" % client_config.get(authority, "certificate path"))
|
|
config.write("ca %s\n" % client_config.get(authority, "authority path"))
|
|
config.write("crl-verify %s\n" % client_config.get(authority, "revocations path"))
|
|
config.write("comp-lzo\n")
|
|
config.write("user nobody\n")
|
|
config.write("group nogroup\n")
|
|
config.write("persist-tun\n")
|
|
config.write("persist-key\n")
|
|
config.write("up /etc/openvpn/update-resolv-conf\n")
|
|
config.write("down /etc/openvpn/update-resolv-conf\n")
|
|
|
|
click.echo("Generated %s" % config.name)
|
|
click.echo("Inspect generated files and issue following to request certificate:")
|
|
click.echo()
|
|
click.echo(" certidude request")
|
|
|
|
|
|
@click.command("server", help="Set up strongSwan server")
|
|
@click.argument("authority")
|
|
@click.option("--common-name", "-cn", default=const.FQDN, help="Common name, %s by default" % const.FQDN)
|
|
@click.option("--subnet", "-sn", default=u"192.168.33.0/24", type=ip_network, help="IPsec virtual subnet, 192.168.33.0/24 by default")
|
|
@click.option("--route", "-r", type=ip_network, multiple=True, help="Subnets to advertise via this connection, multiple allowed")
|
|
def certidude_setup_strongswan_server(authority, common_name, subnet, route):
|
|
if "." not in common_name:
|
|
raise ValueError("Hostname has to be fully qualified!")
|
|
|
|
# Install dependencies
|
|
apt("strongswan")
|
|
rpm("strongswan")
|
|
pip("ipsecparse")
|
|
|
|
# Create corresponding section in Certidude client configuration file
|
|
client_config = ConfigParser()
|
|
if os.path.exists(const.CLIENT_CONFIG_PATH):
|
|
client_config.readfp(open(const.CLIENT_CONFIG_PATH))
|
|
if client_config.has_section(authority):
|
|
click.echo("Section '%s' already exists in %s, remove to regenerate" % (authority, const.CLIENT_CONFIG_PATH))
|
|
else:
|
|
client_config.add_section(authority)
|
|
client_config.set(authority, "trigger", "interface up")
|
|
client_config.set(authority, "common name", const.FQDN)
|
|
client_config.set(authority, "request path", "%s/ipsec.d/reqs/%s.pem" % (const.STRONGSWAN_PREFIX, const.HOSTNAME))
|
|
client_config.set(authority, "key path", "%s/ipsec.d/private/%s.pem" % (const.STRONGSWAN_PREFIX, const.HOSTNAME))
|
|
client_config.set(authority, "certificate path", "%s/ipsec.d/certs/%s.pem" % (const.STRONGSWAN_PREFIX, const.HOSTNAME))
|
|
client_config.set(authority, "authority path", "%s/ipsec.d/cacerts/ca.pem" % const.STRONGSWAN_PREFIX)
|
|
client_config.set(authority, "revocations path", "%s/ipsec.d/crls/ca.pem" % const.STRONGSWAN_PREFIX)
|
|
with open(const.CLIENT_CONFIG_PATH + ".part", 'wb') as fh:
|
|
client_config.write(fh)
|
|
os.rename(const.CLIENT_CONFIG_PATH + ".part", const.CLIENT_CONFIG_PATH)
|
|
click.echo("Section '%s' added to %s" % (authority, const.CLIENT_CONFIG_PATH))
|
|
|
|
# Create corresponding section to /etc/ipsec.conf
|
|
from ipsecparse import loads
|
|
config = loads(open("%s/ipsec.conf" % const.STRONGSWAN_PREFIX).read())
|
|
config["conn", authority] = dict(
|
|
leftcert=client_config.get(authority, "certificate path"),
|
|
leftsubnet=",".join(route),
|
|
right="%any",
|
|
rightsourceip=str(subnet),
|
|
closeaction="restart",
|
|
auto="ignore")
|
|
with open("%s/ipsec.conf.part" % const.STRONGSWAN_PREFIX, "w") as fh:
|
|
fh.write(config.dumps())
|
|
os.rename(
|
|
"%s/ipsec.conf.part" % const.STRONGSWAN_PREFIX,
|
|
"%s/ipsec.conf" % const.STRONGSWAN_PREFIX)
|
|
|
|
click.echo()
|
|
click.echo("If you're running Ubuntu make sure you're not affected by #1505222")
|
|
click.echo("https://bugs.launchpad.net/ubuntu/+source/strongswan/+bug/1505222")
|
|
|
|
|
|
@click.command("client", help="Set up strongSwan client")
|
|
@click.argument("authority")
|
|
@click.argument("remote")
|
|
def certidude_setup_strongswan_client(authority, remote):
|
|
# Install dependencies
|
|
apt("strongswan")
|
|
rpm("strongswan")
|
|
pip("ipsecparse")
|
|
|
|
# Create corresponding section in /etc/certidude/client.conf
|
|
client_config = ConfigParser()
|
|
if os.path.exists(const.CLIENT_CONFIG_PATH):
|
|
client_config.readfp(open(const.CLIENT_CONFIG_PATH))
|
|
if client_config.has_section(authority):
|
|
click.echo("Section '%s' already exists in %s, remove to regenerate" % (authority, const.CLIENT_CONFIG_PATH))
|
|
else:
|
|
client_config.add_section(authority)
|
|
client_config.set(authority, "trigger", "interface up")
|
|
client_config.set(authority, "common name", const.HOSTNAME)
|
|
client_config.set(authority, "request path", "%s/ipsec.d/reqs/%s.pem" % (const.STRONGSWAN_PREFIX, const.HOSTNAME))
|
|
client_config.set(authority, "key path", "%s/ipsec.d/private/%s.pem" % (const.STRONGSWAN_PREFIX, const.HOSTNAME))
|
|
client_config.set(authority, "certificate path", "%s/ipsec.d/certs/%s.pem" % (const.STRONGSWAN_PREFIX, const.HOSTNAME))
|
|
client_config.set(authority, "authority path", "%s/ipsec.d/cacerts/ca.pem" % const.STRONGSWAN_PREFIX)
|
|
client_config.set(authority, "revocations path", "%s/ipsec.d/crls/ca.pem" % const.STRONGSWAN_PREFIX)
|
|
with open(const.CLIENT_CONFIG_PATH + ".part", 'wb') as fh:
|
|
client_config.write(fh)
|
|
os.rename(const.CLIENT_CONFIG_PATH + ".part", const.CLIENT_CONFIG_PATH)
|
|
click.echo("Section '%s' added to %s" % (authority, const.CLIENT_CONFIG_PATH))
|
|
|
|
# Create corresponding section in /etc/certidude/services.conf
|
|
endpoint = "IPsec connection to %s" % remote
|
|
service_config = ConfigParser()
|
|
if os.path.exists(const.SERVICES_CONFIG_PATH):
|
|
service_config.readfp(open(const.SERVICES_CONFIG_PATH))
|
|
if service_config.has_section(endpoint):
|
|
click.echo("Section '%s' already exists in %s, not reconfiguring" % (endpoint, const.SERVICES_CONFIG_PATH))
|
|
else:
|
|
service_config.add_section(endpoint)
|
|
service_config.set(endpoint, "authority", authority)
|
|
service_config.set(endpoint, "service", "init/strongswan")
|
|
service_config.set(endpoint, "remote", remote)
|
|
with open(const.SERVICES_CONFIG_PATH + ".part", 'wb') as fh:
|
|
service_config.write(fh)
|
|
os.rename(const.SERVICES_CONFIG_PATH + ".part", const.SERVICES_CONFIG_PATH)
|
|
click.echo("Section '%s' added to %s" % (endpoint, const.SERVICES_CONFIG_PATH))
|
|
|
|
# Create corresponding section in /etc/ipsec.conf
|
|
from ipsecparse import loads
|
|
config = loads(open('%s/ipsec.conf' % const.STRONGSWAN_PREFIX).read())
|
|
config["conn", remote] = dict(
|
|
leftsourceip="%config",
|
|
left="%defaultroute",
|
|
leftcert=client_config.get(authority, "certificate path"),
|
|
rightid="%any",
|
|
right=remote,
|
|
#rightsubnet=route,
|
|
keyexchange="ikev2",
|
|
keyingtries="300",
|
|
dpdaction="restart",
|
|
closeaction="restart",
|
|
auto="ignore")
|
|
with open("%s/ipsec.conf.part" % const.STRONGSWAN_PREFIX, "w") as fh:
|
|
fh.write(config.dumps())
|
|
os.rename(
|
|
"%s/ipsec.conf.part" % const.STRONGSWAN_PREFIX,
|
|
"%s/ipsec.conf" % const.STRONGSWAN_PREFIX)
|
|
|
|
click.echo("Generated section %s in %s" % (authority, const.CLIENT_CONFIG_PATH))
|
|
click.echo("Run 'certidude request' to request certificates and to enable services")
|
|
|
|
|
|
@click.command("networkmanager", help="Set up strongSwan client via NetworkManager")
|
|
@click.argument("authority") # Certidude server
|
|
@click.argument("remote") # StrongSwan gateway
|
|
def certidude_setup_strongswan_networkmanager(authority, remote):
|
|
# Install dependencies
|
|
apt("strongswan-nm")
|
|
rpm("NetworkManager-strongswan-gnome")
|
|
|
|
endpoint = "IPSec to %s" % remote
|
|
|
|
# Create corresponding section in /etc/certidude/client.conf
|
|
client_config = ConfigParser()
|
|
if os.path.exists(const.CLIENT_CONFIG_PATH):
|
|
client_config.readfp(open(const.CLIENT_CONFIG_PATH))
|
|
if client_config.has_section(authority):
|
|
click.echo("Section '%s' already exists in %s, remove to regenerate" % (authority, const.CLIENT_CONFIG_PATH))
|
|
else:
|
|
client_config.add_section(authority)
|
|
client_config.set(authority, "trigger", "interface up")
|
|
client_config.set(authority, "common name", const.HOSTNAME)
|
|
client_config.set(authority, "request path", "/etc/ipsec.d/reqs/%s.pem" % const.HOSTNAME)
|
|
client_config.set(authority, "key path", "/etc/ipsec.d/private/%s.pem" % const.HOSTNAME)
|
|
client_config.set(authority, "certificate path", "/etc/ipsec.d/certs/%s.pem" % const.HOSTNAME)
|
|
client_config.set(authority, "authority path", "/etc/ipsec.d/cacerts/ca.pem")
|
|
client_config.set(authority, "revocations path", "/etc/ipsec.d/crls/ca.pem")
|
|
with open(const.CLIENT_CONFIG_PATH + ".part", 'wb') as fh:
|
|
client_config.write(fh)
|
|
os.rename(const.CLIENT_CONFIG_PATH + ".part", const.CLIENT_CONFIG_PATH)
|
|
click.echo("Section '%s' added to %s" % (authority, const.CLIENT_CONFIG_PATH))
|
|
|
|
# Create corresponding section in /etc/certidude/services.conf
|
|
service_config = ConfigParser()
|
|
if os.path.exists(const.SERVICES_CONFIG_PATH):
|
|
service_config.readfp(open(const.SERVICES_CONFIG_PATH))
|
|
if service_config.has_section(endpoint):
|
|
click.echo("Section '%s' already exists in %s, remove to regenerate" % (endpoint, const.SERVICES_CONFIG_PATH))
|
|
else:
|
|
service_config.add_section(endpoint)
|
|
service_config.set(endpoint, "authority", authority)
|
|
service_config.set(endpoint, "remote", remote)
|
|
service_config.set(endpoint, "service", "network-manager/strongswan")
|
|
with open(const.SERVICES_CONFIG_PATH + ".part", 'wb') as fh:
|
|
service_config.write(fh)
|
|
os.rename(const.SERVICES_CONFIG_PATH + ".part", const.SERVICES_CONFIG_PATH)
|
|
click.echo("Section '%s' added to %s" % (endpoint, const.SERVICES_CONFIG_PATH))
|
|
|
|
|
|
@click.command("networkmanager", help="Set up OpenVPN client via NetworkManager")
|
|
@click.argument("authority")
|
|
@click.argument("remote") # OpenVPN gateway
|
|
@click.option("--common-name", "-cn", default=const.HOSTNAME, help="Common name, %s by default" % const.HOSTNAME)
|
|
def certidude_setup_openvpn_networkmanager(authority, remote):
|
|
# Create corresponding section in /etc/certidude/client.conf
|
|
client_config = ConfigParser()
|
|
if os.path.exists(const.CLIENT_CONFIG_PATH):
|
|
client_config.readfp(open(const.CLIENT_CONFIG_PATH))
|
|
if client_config.has_section(server):
|
|
click.echo("Section '%s' already exists in %s, remove to regenerate" % (authority, const.CLIENT_CONFIG_PATH))
|
|
else:
|
|
client_config.add_section(authority)
|
|
client_config.set(authority, "trigger", "interface up")
|
|
client_config.set(authority, "common name", const.HOSTNAME)
|
|
client_config.set(authority, "request path", "/etc/ipsec.d/reqs/%s.pem" % const.HOSTNAME)
|
|
client_config.set(authority, "key path", "/etc/ipsec.d/private/%s.pem" % const.HOSTNAME)
|
|
client_config.set(authority, "certificate path", "/etc/ipsec.d/certs/%s.pem" % const.HOSTNAME)
|
|
client_config.set(authority, "authority path", "/etc/ipsec.d/cacerts/ca.pem")
|
|
client_config.set(authority, "revocations path", "/etc/ipsec.d/crls/ca.pem")
|
|
with open(const.CLIENT_CONFIG_PATH + ".part", 'wb') as fh:
|
|
client_config.write(fh)
|
|
os.rename(const.CLIENT_CONFIG_PATH + ".part", const.CLIENT_CONFIG_PATH)
|
|
click.echo("Section '%s' added to %s" % (authority, const.CLIENT_CONFIG_PATH))
|
|
|
|
endpoint = "OpenVPN to %s" % remote
|
|
|
|
service_config = ConfigParser()
|
|
if os.path.exists(const.SERVICES_CONFIG_PATH):
|
|
service_config.readfp(open(const.SERVICES_CONFIG_PATH))
|
|
if service_config.has_section(endpoint):
|
|
click.echo("Section '%s' already exists in %s, remove to regenerate" % (endpoint, const.SERVICES_CONFIG_PATH))
|
|
else:
|
|
service_config.add_section(endpoint)
|
|
service_config.set(authority, "authority", server)
|
|
service_config.set(endpoint, "remote", remote)
|
|
service_config.set(endpoint, "service", "network-manager/openvpn")
|
|
service_config.write(open("/etc/certidude/services.conf", "w"))
|
|
click.echo("Section %s added to /etc/certidude/client.conf" % endpoint)
|
|
|
|
|
|
@click.command("authority", help="Set up Certificate Authority in a directory")
|
|
@click.option("--username", default="certidude", help="Service user account, created if necessary, 'certidude' by default")
|
|
@click.option("--kerberos-keytab", default="/etc/certidude/server.keytab", help="Kerberos keytab for using 'kerberos' authentication backend, /etc/certidude/server.keytab by default")
|
|
@click.option("--nginx-config", "-n",
|
|
default="/etc/nginx/sites-available/certidude.conf",
|
|
type=click.File(mode="w", atomic=True, lazy=True),
|
|
help="nginx site config for serving Certidude, /etc/nginx/sites-available/certidude by default")
|
|
@click.option("--common-name", "-cn", default=const.FQDN, help="Common name, fully qualified hostname by default")
|
|
@click.option("--country", "-c", default=None, help="Country, none by default")
|
|
@click.option("--state", "-s", default=None, help="State or country, none by default")
|
|
@click.option("--locality", "-l", default=None, help="City or locality, none by default")
|
|
@click.option("--authority-lifetime", default=20*365, help="Authority certificate lifetime in days, 20 years by default")
|
|
@click.option("--organization", "-o", default=None, help="Company or organization name")
|
|
@click.option("--organizational-unit", "-ou", default=None)
|
|
@click.option("--push-server", help="Push server, by default http://%s" % const.FQDN)
|
|
@click.option("--directory", help="Directory for authority files")
|
|
@click.option("--server-flags", is_flag=True, help="Add TLS Server and IKE Intermediate extended key usage flags")
|
|
@click.option("--outbox", default="smtp://smtp.%s" % const.DOMAIN, help="SMTP server, smtp://smtp.%s by default" % const.DOMAIN)
|
|
def certidude_setup_authority(username, kerberos_keytab, nginx_config, country, state, locality, organization, organizational_unit, common_name, directory, authority_lifetime, push_server, outbox, server_flags):
|
|
if "." not in common_name:
|
|
raise ValueError("No FQDN configured on this system!")
|
|
# Install only rarely changing stuff from OS package management
|
|
apt("python-setproctitle cython python-dev libkrb5-dev libldap2-dev libffi-dev libssl-dev")
|
|
apt("python-mimeparse python-markdown python-xattr python-jinja2 python-cffi python-openssl")
|
|
pip("gssapi falcon cryptography humanize ipaddress simplepam humanize requests")
|
|
|
|
from cryptography import x509
|
|
from cryptography.x509.oid import NameOID, ExtendedKeyUsageOID
|
|
from cryptography.hazmat.backends import default_backend
|
|
from cryptography.hazmat.primitives import serialization
|
|
from cryptography.hazmat.primitives import hashes, serialization
|
|
from cryptography.hazmat.primitives.asymmetric import rsa
|
|
from jinja2 import Environment, PackageLoader
|
|
env = Environment(loader=PackageLoader("certidude", "templates"), trim_blocks=True)
|
|
|
|
# Generate secret for tokens
|
|
token_secret = ''.join(random.choice(string.letters + string.digits + '!@#$%^&*()') for i in range(50))
|
|
|
|
template_path = os.path.join(os.path.dirname(os.path.realpath(__file__)), "templates")
|
|
|
|
if not directory:
|
|
if os.getuid():
|
|
directory = os.path.join(os.path.expanduser("~/.certidude"), const.FQDN)
|
|
else:
|
|
directory = os.path.join("/var/lib/certidude", const.FQDN)
|
|
|
|
click.echo("Using fully qualified hostname: %s" % common_name)
|
|
certificate_url = "http://%s/api/certificate/" % common_name
|
|
revoked_url = "http://%s/api/revoked/" % common_name
|
|
|
|
# Expand variables
|
|
ca_key = os.path.join(directory, "ca_key.pem")
|
|
ca_crt = os.path.join(directory, "ca_crt.pem")
|
|
|
|
if os.getuid() == 0:
|
|
try:
|
|
pwd.getpwnam("certidude")
|
|
except KeyError:
|
|
cmd = "adduser", "--system", "--no-create-home", "--group", "certidude"
|
|
if subprocess.call(cmd):
|
|
click.echo("Failed to create system user 'certidude'")
|
|
return 255
|
|
|
|
if os.path.exists(kerberos_keytab):
|
|
click.echo("Service principal keytab found in '%s'" % kerberos_keytab)
|
|
else:
|
|
click.echo("To use 'kerberos' authentication backend join the domain and create service principal with:")
|
|
click.echo()
|
|
click.echo(" KRB5_KTNAME=FILE:%s net ads keytab add HTTP -P" % kerberos_keytab)
|
|
click.echo(" chown %s %s" % (username, kerberos_keytab))
|
|
click.echo()
|
|
|
|
if os.path.exists("/etc/krb5.keytab") and os.path.exists("/etc/samba/smb.conf"):
|
|
# Fetch Kerberos ticket for system account
|
|
cp = ConfigParser()
|
|
cp.read("/etc/samba/smb.conf")
|
|
realm = cp.get("global", "realm")
|
|
domain = realm.lower()
|
|
name = cp.get("global", "netbios name")
|
|
|
|
base = ",".join(["dc=" + j for j in domain.split(".")])
|
|
if not os.path.exists("/etc/cron.hourly/certidude"):
|
|
with open("/etc/cron.hourly/certidude", "w") as fh:
|
|
fh.write(env.get_template("server/cronjob").render(vars()))
|
|
os.chmod("/etc/cron.hourly/certidude", 0o755)
|
|
click.echo("Created /etc/cron.hourly/certidude for automatic LDAP service ticket renewal, inspect and adjust accordingly")
|
|
os.system("/etc/cron.hourly/certidude")
|
|
else:
|
|
click.echo("Warning: /etc/krb5.keytab or /etc/samba/smb.conf not found, Kerberos unconfigured")
|
|
|
|
static_path = os.path.join(os.path.realpath(os.path.dirname(__file__)), "static")
|
|
certidude_path = sys.argv[0]
|
|
|
|
# Push server config generation
|
|
if not os.path.exists("/etc/nginx"):
|
|
click.echo("Directory /etc/nginx does not exist, hence not creating nginx configuration")
|
|
listen = "0.0.0.0"
|
|
port = "80"
|
|
else:
|
|
port = "8080"
|
|
nginx_config.write(env.get_template("server/nginx.conf").render(vars()))
|
|
click.echo("Generated: %s" % nginx_config.name)
|
|
if not os.path.exists("/etc/nginx/sites-enabled/certidude.conf"):
|
|
os.symlink("../sites-available/certidude.conf", "/etc/nginx/sites-enabled/certidude.conf")
|
|
click.echo("Symlinked %s -> /etc/nginx/sites-enabled/" % nginx_config.name)
|
|
if os.path.exists("/etc/nginx/sites-enabled/default"):
|
|
os.unlink("/etc/nginx/sites-enabled/default")
|
|
if not push_server:
|
|
click.echo("Remember to install nchan capable nginx instead of regular nginx!")
|
|
|
|
if os.path.exists("/etc/systemd"):
|
|
if os.path.exists("/etc/systemd/system/certidude.service"):
|
|
click.echo("File /etc/systemd/system/certidude.service already exists, remove to regenerate")
|
|
else:
|
|
with open("/etc/systemd/system/certidude.service", "w") as fh:
|
|
fh.write(env.get_template("server/systemd.service").render(vars()))
|
|
click.echo("File /etc/systemd/system/certidude.service created")
|
|
else:
|
|
NotImplemented # No systemd
|
|
|
|
_, _, uid, gid, gecos, root, shell = pwd.getpwnam("certidude")
|
|
os.setgid(gid)
|
|
else:
|
|
click.echo("Not root, skipping user and system config creation")
|
|
|
|
if not os.path.exists(const.CONFIG_DIR):
|
|
click.echo("Creating %s" % const.CONFIG_DIR)
|
|
os.makedirs(const.CONFIG_DIR)
|
|
|
|
if os.path.exists(const.CONFIG_PATH):
|
|
click.echo("Configuration file %s already exists, remove to regenerate" % const.CONFIG_PATH)
|
|
else:
|
|
os.umask(0o137)
|
|
push_token = "".join([random.choice(string.ascii_letters + string.digits) for j in range(0,32)])
|
|
with open(const.CONFIG_PATH, "w") as fh:
|
|
fh.write(env.get_template("server/server.conf").render(vars()))
|
|
click.echo("Generated %s" % const.CONFIG_PATH)
|
|
|
|
if os.path.lexists(directory):
|
|
click.echo("CA directory %s already exists, remove to regenerate" % directory)
|
|
else:
|
|
click.echo("CA configuration files are saved to: {}".format(directory))
|
|
|
|
click.echo("Generating 4096-bit RSA key...")
|
|
|
|
key = rsa.generate_private_key(
|
|
public_exponent=65537,
|
|
key_size=4096,
|
|
backend=default_backend()
|
|
)
|
|
|
|
subject = issuer = x509.Name([
|
|
x509.NameAttribute(o, value) for o, value in (
|
|
(NameOID.COUNTRY_NAME, country),
|
|
(NameOID.STATE_OR_PROVINCE_NAME, state),
|
|
(NameOID.LOCALITY_NAME, locality),
|
|
(NameOID.ORGANIZATION_NAME, organization),
|
|
(NameOID.COMMON_NAME, common_name),
|
|
) if value
|
|
])
|
|
|
|
builder = x509.CertificateBuilder(
|
|
).subject_name(subject
|
|
).issuer_name(issuer
|
|
).public_key(key.public_key()
|
|
).not_valid_before(datetime.utcnow()
|
|
).not_valid_after(
|
|
datetime.utcnow() + timedelta(days=authority_lifetime)
|
|
).serial_number(
|
|
random.randint(
|
|
0x100000000000000000000000000000000000000,
|
|
0xfffffffffffffffffffffffffffffffffffffff)
|
|
).add_extension(x509.BasicConstraints(ca=True, path_length=0), critical=True,
|
|
).add_extension(x509.KeyUsage(
|
|
digital_signature=server_flags,
|
|
key_encipherment=server_flags,
|
|
content_commitment=False,
|
|
data_encipherment=False,
|
|
key_agreement=False,
|
|
key_cert_sign=True,
|
|
crl_sign=True,
|
|
encipher_only=False,
|
|
decipher_only=False), critical=True,
|
|
).add_extension(
|
|
x509.SubjectKeyIdentifier.from_public_key(key.public_key()),
|
|
critical=False
|
|
).add_extension(
|
|
x509.AuthorityKeyIdentifier.from_issuer_public_key(key.public_key()),
|
|
critical=False
|
|
)
|
|
|
|
if server_flags:
|
|
builder = builder.add_extension(x509.ExtendedKeyUsage([
|
|
ExtendedKeyUsageOID.SERVER_AUTH,
|
|
x509.ObjectIdentifier("1.3.6.1.5.5.8.2.2")]), critical=False)
|
|
|
|
cert = builder.sign(key, hashes.SHA512(), default_backend())
|
|
|
|
click.echo("Signing %s..." % cert.subject)
|
|
|
|
# Create directories with 770 permissions
|
|
os.umask(0o027)
|
|
if not os.path.exists(directory):
|
|
os.makedirs(directory)
|
|
|
|
# Create subdirectories with 770 permissions
|
|
os.umask(0o007)
|
|
for subdir in ("signed", "requests", "revoked", "expired", "meta"):
|
|
if not os.path.exists(os.path.join(directory, subdir)):
|
|
os.mkdir(os.path.join(directory, subdir))
|
|
|
|
# Create SQLite database file with correct permissions
|
|
os.umask(0o117)
|
|
with open(os.path.join(directory, "meta", "db.sqlite"), "wb") as fh:
|
|
pass
|
|
|
|
# Set permission bits to 640
|
|
os.umask(0o137)
|
|
with open(ca_crt, "wb") as fh:
|
|
fh.write(cert.public_bytes(serialization.Encoding.PEM))
|
|
|
|
# Set permission bits to 600
|
|
os.umask(0o177)
|
|
with open(ca_key, "wb") as fh:
|
|
fh.write(key.private_bytes(
|
|
encoding=serialization.Encoding.PEM,
|
|
format=serialization.PrivateFormat.TraditionalOpenSSL,
|
|
encryption_algorithm=serialization.NoEncryption() # TODO: Implement passphrase
|
|
))
|
|
|
|
click.echo("To enable e-mail notifications install Postfix as sattelite system and set mailer address in %s" % const.CONFIG_PATH)
|
|
click.echo()
|
|
click.echo("Use following commands to inspect the newly created files:")
|
|
click.echo()
|
|
click.echo(" openssl x509 -text -noout -in %s | less" % ca_crt)
|
|
click.echo(" openssl rsa -check -in %s" % ca_key)
|
|
click.echo(" openssl verify -CAfile %s %s" % (ca_crt, ca_crt))
|
|
click.echo()
|
|
click.echo("To enable and start the service:")
|
|
click.echo()
|
|
click.echo(" systemctl enable certidude")
|
|
click.echo(" systemctl start certidude")
|
|
|
|
|
|
@click.command("users", help="List users")
|
|
def certidude_users():
|
|
from certidude.user import User
|
|
admins = set(User.objects.filter_admins())
|
|
for user in User.objects.all():
|
|
print "%s;%s;%s;%s;%s" % (
|
|
"admin" if user in admins else "user",
|
|
user.name, user.given_name, user.surname, user.mail)
|
|
|
|
|
|
@click.command("list", help="List certificates")
|
|
@click.option("--verbose", "-v", default=False, is_flag=True, help="Verbose output")
|
|
@click.option("--show-key-type", "-k", default=False, is_flag=True, help="Show key type and length")
|
|
@click.option("--show-path", "-p", default=False, is_flag=True, help="Show filesystem paths")
|
|
@click.option("--show-extensions", "-e", default=False, is_flag=True, help="Show X.509 Certificate Extensions")
|
|
@click.option("--hide-requests", "-h", default=False, is_flag=True, help="Hide signing requests")
|
|
@click.option("--show-signed", "-s", default=False, is_flag=True, help="Show signed certificates")
|
|
@click.option("--show-revoked", "-r", default=False, is_flag=True, help="Show revoked certificates")
|
|
def certidude_list(verbose, show_key_type, show_extensions, show_path, show_signed, show_revoked, hide_requests):
|
|
# Statuses:
|
|
# s - submitted
|
|
# v - valid
|
|
# e - expired
|
|
# y - not valid yet
|
|
# r - revoked
|
|
from humanize import naturaltime
|
|
from certidude import authority
|
|
|
|
def dump_common(common_name, path, cert):
|
|
click.echo("certidude revoke %s" % common_name)
|
|
with open(path, "rb") as fh:
|
|
buf = fh.read()
|
|
click.echo("md5sum: %s" % hashlib.md5(buf).hexdigest())
|
|
click.echo("sha1sum: %s" % hashlib.sha1(buf).hexdigest())
|
|
click.echo("sha256sum: %s" % hashlib.sha256(buf).hexdigest())
|
|
click.echo()
|
|
for ext in cert.extensions:
|
|
print " -", ext.value
|
|
click.echo()
|
|
|
|
if not hide_requests:
|
|
for common_name, path, buf, csr, server in authority.list_requests():
|
|
created = 0
|
|
if not verbose:
|
|
click.echo("s " + path)
|
|
continue
|
|
click.echo(click.style(common_name, fg="blue"))
|
|
click.echo("=" * len(common_name))
|
|
click.echo("State: ? " + click.style("submitted", fg="yellow") + " " + naturaltime(created) + click.style(", %s" %created, fg="white"))
|
|
click.echo("openssl req -in %s -text -noout" % path)
|
|
dump_common(common_name, path, csr)
|
|
|
|
|
|
if show_signed:
|
|
for common_name, path, buf, cert, server in authority.list_signed():
|
|
if not verbose:
|
|
if cert.not_valid_before < NOW and cert.not_valid_after > NOW:
|
|
click.echo("v " + path)
|
|
elif NOW > cert.not_valid_after:
|
|
click.echo("e " + path)
|
|
else:
|
|
click.echo("y " + path)
|
|
continue
|
|
|
|
click.echo(click.style(common_name, fg="blue") + " " + click.style("%x" % cert.serial, fg="white"))
|
|
click.echo("="*(len(common_name)+60))
|
|
expires = 0 # TODO
|
|
if cert.not_valid_before < NOW and cert.not_valid_after > NOW:
|
|
click.echo("Status: " + click.style("valid", fg="green") + " until " + naturaltime(cert.not_valid_after) + click.style(", %s" % cert.not_valid_after, fg="white"))
|
|
elif NOW > cert.not_valid_after:
|
|
click.echo("Status: " + click.style("expired", fg="red") + " " + naturaltime(expires) + click.style(", %s" %expires, fg="white"))
|
|
else:
|
|
click.echo("Status: " + click.style("not valid yet", fg="red") + click.style(", %s" %expires, fg="white"))
|
|
click.echo()
|
|
click.echo("openssl x509 -in %s -text -noout" % path)
|
|
dump_common(common_name, path, cert)
|
|
|
|
if show_revoked:
|
|
for common_name, path, buf, cert, server in authority.list_revoked():
|
|
if not verbose:
|
|
click.echo("r " + path)
|
|
continue
|
|
|
|
click.echo(click.style(common_name, fg="blue") + " " + click.style("%x" % cert.serial, fg="white"))
|
|
click.echo("="*(len(common_name)+60))
|
|
|
|
_, _, _, _, _, _, _, _, mtime, _ = os.stat(path)
|
|
changed = datetime.fromtimestamp(mtime)
|
|
click.echo("Status: " + click.style("revoked", fg="red") + " %s%s" % (naturaltime(NOW-changed), click.style(", %s" % changed, fg="white")))
|
|
click.echo("openssl x509 -in %s -text -noout" % path)
|
|
dump_common(common_name, path, cert)
|
|
|
|
click.echo()
|
|
|
|
|
|
@click.command("sign", help="Sign certificate")
|
|
@click.argument("common_name")
|
|
@click.option("--overwrite", "-o", default=False, is_flag=True, help="Revoke valid certificate with same CN")
|
|
def certidude_sign(common_name, overwrite):
|
|
from certidude import authority
|
|
cert = authority.sign(common_name, overwrite)
|
|
|
|
|
|
@click.command("revoke", help="Revoke certificate")
|
|
@click.argument("common_name")
|
|
def certidude_revoke(common_name):
|
|
from certidude import authority
|
|
authority.revoke(common_name)
|
|
|
|
|
|
@click.command("cron", help="Run from cron to manage Certidude server")
|
|
def certidude_cron():
|
|
import itertools
|
|
from certidude import authority, config
|
|
now = datetime.now()
|
|
for cn, path, buf, cert, server in itertools.chain(authority.list_signed(), authority.list_revoked()):
|
|
if cert.not_valid_after < now:
|
|
expired_path = os.path.join(config.EXPIRED_DIR, "%x.pem" % cert.serial)
|
|
assert not os.path.exists(expired_path)
|
|
os.rename(path, expired_path)
|
|
click.echo("Moved %s to %s" % (path, expired_path))
|
|
|
|
@click.command("serve", help="Run server")
|
|
@click.option("-p", "--port", default=8080 if os.getuid() else 80, help="Listen port")
|
|
@click.option("-l", "--listen", default="0.0.0.0", help="Listen address")
|
|
@click.option("-f", "--fork", default=False, is_flag=True, help="Fork to background")
|
|
def certidude_serve(port, listen, fork):
|
|
from setproctitle import setproctitle
|
|
from certidude.signer import SignServer
|
|
from certidude import const
|
|
click.echo("Using configuration from: %s" % const.CONFIG_PATH)
|
|
|
|
log_handlers = []
|
|
|
|
from certidude import config
|
|
|
|
# Fetch UID, GID of certidude user
|
|
if os.getuid() == 0:
|
|
# Process directories
|
|
if not os.path.exists(const.RUN_DIR):
|
|
click.echo("Creating: %s" % const.RUN_DIR)
|
|
os.makedirs(const.RUN_DIR)
|
|
|
|
import pwd
|
|
_, _, uid, gid, gecos, root, shell = pwd.getpwnam("certidude")
|
|
restricted_groups = []
|
|
restricted_groups.append(gid)
|
|
from logging.handlers import RotatingFileHandler
|
|
rh = RotatingFileHandler("/var/log/certidude.log", maxBytes=1048576*5, backupCount=5)
|
|
rh.setFormatter(logging.Formatter("%(asctime)s - %(name)s - %(levelname)s - %(message)s"))
|
|
log_handlers.append(rh)
|
|
|
|
|
|
"""
|
|
Spawn signer process
|
|
"""
|
|
|
|
child_pid = os.fork()
|
|
|
|
if child_pid:
|
|
pass
|
|
else:
|
|
click.echo("Signer process spawned with PID %d at %s" % (os.getpid(), const.SIGNER_SOCKET_PATH))
|
|
setproctitle("[signer]")
|
|
|
|
with open(const.SIGNER_PID_PATH, "w") as fh:
|
|
fh.write("%d\n" % os.getpid())
|
|
|
|
logging.basicConfig(
|
|
filename=const.SIGNER_LOG_PATH,
|
|
level=logging.INFO)
|
|
|
|
os.umask(0o007)
|
|
server = SignServer()
|
|
|
|
# Drop privileges
|
|
if not os.getuid():
|
|
os.chown(const.SIGNER_SOCKET_PATH, uid, gid)
|
|
os.chmod(const.SIGNER_SOCKET_PATH, 0770)
|
|
|
|
click.echo("Dropping privileges of signer")
|
|
_, _, uid, gid, gecos, root, shell = pwd.getpwnam("nobody")
|
|
os.setgroups([])
|
|
os.setgid(gid)
|
|
os.setuid(uid)
|
|
else:
|
|
click.echo("Not dropping privileges of signer process")
|
|
|
|
asyncore.loop()
|
|
return
|
|
|
|
|
|
click.echo("Users subnets: %s" %
|
|
", ".join([str(j) for j in config.USER_SUBNETS]))
|
|
click.echo("Administrative subnets: %s" %
|
|
", ".join([str(j) for j in config.ADMIN_SUBNETS]))
|
|
click.echo("Auto-sign enabled for following subnets: %s" %
|
|
", ".join([str(j) for j in config.AUTOSIGN_SUBNETS]))
|
|
click.echo("Request submissions allowed from following subnets: %s" %
|
|
", ".join([str(j) for j in config.REQUEST_SUBNETS]))
|
|
|
|
logging.basicConfig(
|
|
filename=const.SERVER_LOG_PATH,
|
|
level=logging.DEBUG)
|
|
|
|
click.echo("Serving API at %s:%d" % (listen, port))
|
|
from wsgiref.simple_server import make_server, WSGIServer
|
|
from SocketServer import ThreadingMixIn, ForkingMixIn
|
|
from certidude.api import certidude_app
|
|
|
|
class ThreadingWSGIServer(ForkingMixIn, WSGIServer):
|
|
pass
|
|
|
|
click.echo("Listening on %s:%d" % (listen, port))
|
|
|
|
app = certidude_app(log_handlers)
|
|
httpd = make_server(listen, port, app, ThreadingWSGIServer)
|
|
|
|
|
|
"""
|
|
Drop privileges
|
|
"""
|
|
|
|
|
|
# Initialize LDAP service ticket
|
|
if os.path.exists("/etc/cron.hourly/certidude"):
|
|
os.system("/etc/cron.hourly/certidude")
|
|
|
|
# PAM needs access to /etc/shadow
|
|
if config.AUTHENTICATION_BACKENDS == {"pam"}:
|
|
import grp
|
|
name, passwd, num, mem = grp.getgrnam("shadow")
|
|
click.echo("Adding current user to shadow group due to PAM authentication backend")
|
|
restricted_groups.append(num)
|
|
|
|
if config.EVENT_SOURCE_PUBLISH:
|
|
from certidude.push import EventSourceLogHandler
|
|
log_handlers.append(EventSourceLogHandler())
|
|
|
|
for j in logging.Logger.manager.loggerDict.values():
|
|
if isinstance(j, logging.Logger): # PlaceHolder is what?
|
|
if j.name.startswith("certidude."):
|
|
j.setLevel(logging.DEBUG)
|
|
for handler in log_handlers:
|
|
j.addHandler(handler)
|
|
|
|
|
|
if not fork or not os.fork():
|
|
pid = os.getpid()
|
|
with open(const.SERVER_PID_PATH, "w") as pidfile:
|
|
pidfile.write("%d\n" % pid)
|
|
|
|
def exit_handler():
|
|
logger.debug("Shutting down Certidude")
|
|
import atexit
|
|
atexit.register(exit_handler)
|
|
logger.debug("Started Certidude at %s", const.FQDN)
|
|
|
|
|
|
# Drop privileges
|
|
os.setgroups(restricted_groups)
|
|
os.setgid(gid)
|
|
os.setuid(uid)
|
|
|
|
click.echo("Switched to user %s (uid=%d, gid=%d); member of groups %s" %
|
|
("certidude", os.getuid(), os.getgid(), ", ".join([str(j) for j in os.getgroups()])))
|
|
|
|
os.umask(0o007)
|
|
|
|
httpd.serve_forever()
|
|
|
|
|
|
@click.command("yubikey", help="Set up Yubikey as client authentication token")
|
|
@click.argument("authority")
|
|
@click.option("-p", "--pin", default="123456", help="Slot pincode, 123456 by default")
|
|
@click.option("-s", "--slot", default="9a", help="Yubikey slot to use, 9a by default")
|
|
@click.option("-u", "--username", default=os.getenv("USER"), help="Username to use, %s by default" % os.getenv("USER"))
|
|
def certidude_setup_yubikey(authority, slot, username, pin):
|
|
import requests
|
|
cmd = "ykinfo", "-q", "-s"
|
|
click.echo("Executing: %s" % " ".join(cmd))
|
|
serial = subprocess.check_output(cmd).strip()
|
|
|
|
dn = "/CN=%s@yk-%s-%s" % (username, slot, serial)
|
|
|
|
cmd = "yubico-piv-tool", "-a", "generate", "-s", slot, "-o", "/tmp/pk.pem"
|
|
click.echo("Executing: %s" % " ".join(cmd))
|
|
subprocess.call(cmd)
|
|
|
|
cmd = "yubico-piv-tool", \
|
|
"-i", "/tmp/pk.pem", "-o", "/tmp/req.pem", \
|
|
"-P", pin, \
|
|
"-S", dn, \
|
|
"-a", "verify", "-a", "request", \
|
|
"-s", slot
|
|
click.echo("Executing: %s" % " ".join(cmd))
|
|
|
|
scheme = "http"
|
|
request_url = "%s://%s/api/request/?wait=true" % (scheme, authority)
|
|
|
|
subprocess.check_output(cmd)
|
|
click.echo("Submitting to %s, waiting for response..." % request_url)
|
|
headers={
|
|
"Content-Type": "application/pkcs10",
|
|
"Accept": "application/x-x509-user-cert,application/x-pem-file"
|
|
}
|
|
|
|
submission = requests.post(request_url, data=open("/tmp/req.pem"), headers=headers)
|
|
with open("/tmp/cert.pem", "w") as fh:
|
|
fh.write(submission.text)
|
|
|
|
cmd = "yubico-piv-tool", "-a", "import-certificate", "-s", slot, "-i", "/tmp/cert.pem"
|
|
click.echo("Executing: %s" % " ".join(cmd))
|
|
subprocess.call(cmd)
|
|
|
|
|
|
@click.command("test", help="Test mailer")
|
|
@click.argument("recipient")
|
|
def certidude_test(recipient):
|
|
from certidude import mailer
|
|
mailer.send(
|
|
"test.md",
|
|
to=recipient
|
|
)
|
|
|
|
|
|
@click.group("strongswan", help="strongSwan helpers")
|
|
def certidude_setup_strongswan(): pass
|
|
|
|
@click.group("openvpn", help="OpenVPN helpers")
|
|
def certidude_setup_openvpn(): pass
|
|
|
|
@click.group("setup", help="Getting started section")
|
|
def certidude_setup(): pass
|
|
|
|
@click.group()
|
|
def entry_point(): pass
|
|
|
|
certidude_setup_strongswan.add_command(certidude_setup_strongswan_server)
|
|
certidude_setup_strongswan.add_command(certidude_setup_strongswan_client)
|
|
certidude_setup_strongswan.add_command(certidude_setup_strongswan_networkmanager)
|
|
certidude_setup_openvpn.add_command(certidude_setup_openvpn_server)
|
|
certidude_setup_openvpn.add_command(certidude_setup_openvpn_client)
|
|
certidude_setup_openvpn.add_command(certidude_setup_openvpn_networkmanager)
|
|
certidude_setup.add_command(certidude_setup_authority)
|
|
certidude_setup.add_command(certidude_setup_openvpn)
|
|
certidude_setup.add_command(certidude_setup_strongswan)
|
|
certidude_setup.add_command(certidude_setup_nginx)
|
|
certidude_setup.add_command(certidude_setup_yubikey)
|
|
entry_point.add_command(certidude_setup)
|
|
entry_point.add_command(certidude_serve)
|
|
entry_point.add_command(certidude_request)
|
|
entry_point.add_command(certidude_sign)
|
|
entry_point.add_command(certidude_revoke)
|
|
entry_point.add_command(certidude_list)
|
|
entry_point.add_command(certidude_users)
|
|
entry_point.add_command(certidude_cron)
|
|
entry_point.add_command(certidude_test)
|
|
|
|
if __name__ == "__main__":
|
|
entry_point()
|