tests: Better code coverage

.gitignore

@@ -37,7 +37,7 @@ pip-delete-this-directory.txt
 # Unit test / coverage reports
 htmlcov/
 .tox/
-.coverage
+.coverage*
 .cache
 nosetests.xml
 coverage.xml

.travis.yml

@@ -10,8 +10,9 @@ virtualenv:
 install:
   - echo "127.0.0.1 localhost" | sudo tee /etc/hosts
   - echo "127.0.1.1 ca.example.lan ca" | sudo tee -a /etc/hosts
-  - echo "127.0.0.1 vpn.koodur.lan" | sudo tee -a /etc/hosts
-  - sudo mkdir -p /etc/systemd/system /etc/NetworkManager/system-connections
+  - echo "127.0.0.1 vpn.example.lan vpn" | sudo tee -a /etc/hosts
+  - echo "127.0.0.1 www.example.lan www" | sudo tee -a /etc/hosts
+  - sudo mkdir -p /etc/systemd/system
   - sudo pip install -r requirements.txt
   - sudo pip install codecov pytest-cov
   - sudo pip install -e .

certidude/api/__init__.py

@@ -154,7 +154,7 @@ class StaticResource(object):
         else:
             resp.status = falcon.HTTP_404
             resp.body = "File '%s' not found" % req.path
-            logger.info("Faile '%s' not found, path resolved to '%s'", req.path, path)
+            logger.info("Fail '%s' not found, path resolved to '%s'", req.path, path)
 import ipaddress
 
 class NormalizeMiddleware(object):

certidude/api/request.py

@@ -29,6 +29,7 @@ class RequestListResource(object):
         """
         Validate and parse certificate signing request
         """
+        reason = "No reason"
         body = req.stream.read(req.content_length)
         csr = x509.load_pem_x509_csr(body, default_backend())
         try:
@@ -87,14 +88,15 @@ class RequestListResource(object):
                         verifier.verify()
                     except InvalidSignature:
                         logger.error("Renewal failed, invalid signature supplied for %s", common_name.value)
+                        reason = "Renewal failed, invalid signature supplied"
                     else:
                         # At this point renewal signature was valid but we need to perform some extra checks
                         if datetime.utcnow() > cert.not_valid_after:
                             logger.error("Renewal failed, current certificate for %s has expired", common_name.value)
-                            # Put on hold
+                            reason = "Renewal failed, current certificate expired"
                         elif not config.CERTIFICATE_RENEWAL_ALLOWED:
                             logger.error("Renewal requested for %s, but not allowed by authority settings", common_name.value)
-                            # Put on hold
+                            reason = "Renewal requested, but not allowed by authority settings"
                         else:
                             resp.set_header("Content-Type", "application/x-x509-user-cert")
                             _, resp.body = authority._sign(csr, body, overwrite=True)
@@ -106,25 +108,30 @@ class RequestListResource(object):
         Process automatic signing if the IP address is whitelisted,
         autosigning was requested and certificate can be automatically signed
         """
-        if req.get_param_as_bool("autosign") and "." not in common_name.value:
-            for subnet in config.AUTOSIGN_SUBNETS:
-                if req.context.get("remote_addr") in subnet:
-                    try:
-                        resp.set_header("Content-Type", "application/x-pem-file")
-                        _, resp.body = authority._sign(csr, body)
-                        logger.info("Autosigned %s as %s is whitelisted", common_name.value, req.context.get("remote_addr"))
-                        return
-                    except EnvironmentError:
-                        logger.info("Autosign for %s failed, signed certificate already exists",
-                            common_name.value, req.context.get("remote_addr"))
-                    break
+        if req.get_param_as_bool("autosign"):
+            if "." not in common_name.value:
+                reason = "Autosign failed, IP address not whitelisted"
+                for subnet in config.AUTOSIGN_SUBNETS:
+                    if req.context.get("remote_addr") in subnet:
+                        try:
+                            resp.set_header("Content-Type", "application/x-pem-file")
+                            _, resp.body = authority._sign(csr, body)
+                            logger.info("Autosigned %s as %s is whitelisted", common_name.value, req.context.get("remote_addr"))
+                            return
+                        except EnvironmentError:
+                            logger.info("Autosign for %s failed, signed certificate already exists",
+                                common_name.value, req.context.get("remote_addr"))
+                            reason = "Autosign failed, signed certificate already exists"
+                        break
+            else:
+                reason = "Autosign failed, only client certificates allowed to be signed automatically"
 
         # Attempt to save the request otherwise
         try:
             csr = authority.store_request(body)
         except errors.RequestExists:
+            reason = "Same request already uploaded exists"
             # We should still redirect client to long poll URL below
-            pass
         except errors.DuplicateCommonNameError:
             # TODO: Certificate renewal
             logger.warning(u"Rejected signing request with overlapping common name from %s",
@@ -147,6 +154,7 @@ class RequestListResource(object):
         else:
             # Request was accepted, but not processed
             resp.status = falcon.HTTP_202
+            resp.body = reason
 
 
 class RequestDetailResource(object):

certidude/cli.py

@@ -15,7 +15,7 @@ import subprocess
 import sys
 from configparser import ConfigParser, NoOptionError, NoSectionError
 from certidude.helpers import certidude_request_certificate
-from certidude.common import expand_paths, ip_address, ip_network, apt, rpm, pip, drop_privileges
+from certidude.common import ip_address, ip_network, apt, rpm, pip, drop_privileges
 from datetime import datetime, timedelta
 from time import sleep
 import const
@@ -31,6 +31,56 @@ logger = logging.getLogger(__name__)
 
 NOW = datetime.utcnow().replace(tzinfo=None)
 
+def setup_client(prefix="client_"):
+    # Create section in /etc/certidude/client.conf
+    def wrapper(func):
+        def wrapped(**arguments):
+            from certidude import const
+            common_name = arguments.get("common_name")
+            authority = arguments.get("authority")
+            b = os.path.join(const.STORAGE_PATH, authority)
+
+            # 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", os.path.join(b, prefix + "req.pem"))
+                client_config.set(authority, "key path", os.path.join(b, prefix + "key.pem"))
+                client_config.set(authority, "certificate path", os.path.join(b, prefix + "cert.pem"))
+                client_config.set(authority, "authority path",  os.path.join(b, "ca_cert.pem"))
+                client_config.set(authority, "revocations path",  os.path.join(b, "ca_crl.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))
+
+            for j in ("key", "request", "certificate", "authority", "revocations"):
+                arguments["%s_path" % j] = client_config.get(authority, "%s path" % j)
+            return func(**arguments)
+        return wrapped
+    return wrapper
+
+
+def generate_dhparam(path):
+    # Prevent logjam etc for OpenVPN and nginx server
+    def wrapper(func):
+        def wrapped(**arguments):
+            if not os.path.exists(path):
+                rpm("openssl")
+                apt("openssl")
+                cmd = "openssl", "dhparam", "-out", path, ("1024" if os.getenv("TRAVIS") else "2048")
+                subprocess.check_call(cmd)
+            arguments["dhparam_path"] = path
+            return func(**arguments)
+        return wrapped
+    return wrapper
+
 @click.command("request", help="Run processes for requesting certificates and configuring services")
 @click.option("-r", "--renew", default=False, is_flag=True, help="Renew now")
 @click.option("-f", "--fork", default=False, is_flag=True, help="Fork to background")
@@ -46,15 +96,12 @@ def certidude_request(fork, renew, no_wait):
         click.echo("No %s!" % const.CLIENT_CONFIG_PATH)
         return 1
 
-    if not os.path.exists(const.SERVICES_CONFIG_PATH):
-        click.echo("No %s!" % const.SERVICES_CONFIG_PATH)
-        return 1
-
     clients = ConfigParser()
     clients.readfp(open(const.CLIENT_CONFIG_PATH))
 
     service_config = ConfigParser()
-    service_config.readfp(open(const.SERVICES_CONFIG_PATH))
+    if os.path.exists(const.SERVICES_CONFIG_PATH):
+        service_config.readfp(open(const.SERVICES_CONFIG_PATH))
 
     # Process directories
     if not os.path.exists(const.RUN_DIR):
@@ -76,13 +123,9 @@ def certidude_request(fork, renew, no_wait):
 
     for authority in clients.sections():
         try:
-            endpoint_dhparam = clients.get(authority, "dhparam path")
-            if not os.path.exists(endpoint_dhparam):
-                cmd = "openssl", "dhparam", "-out", endpoint_dhparam, ("512" if os.getenv("TRAVIS") else "2048")
-                subprocess.check_call(cmd)
+            endpoint_renewal_overlap = clients.getint(authority, "renewal overlap")
         except NoOptionError:
-            pass
-
+            endpoint_renewal_overlap = None
         try:
             endpoint_insecure = clients.getboolean(authority, "insecure")
         except NoOptionError:
@@ -157,6 +200,7 @@ def certidude_request(fork, renew, no_wait):
                     endpoint_authority_path,
                     endpoint_revocations_path,
                     endpoint_common_name,
+                    endpoint_renewal_overlap,
                     insecure=endpoint_insecure,
                     autosign=True,
                     wait=not no_wait,
@@ -196,7 +240,6 @@ def certidude_request(fork, renew, no_wait):
 
             # IPSec set up with initscripts
             if service_config.get(endpoint, "service") == "init/strongswan":
-                remote = service_config.get(endpoint, "remote")
                 from ipsecparse import loads
                 config = loads(open("%s/ipsec.conf" % const.STRONGSWAN_PREFIX).read())
                 for section_type, section_name in config:
@@ -286,7 +329,8 @@ def certidude_request(fork, renew, no_wait):
                 with open(nm_config_path, "w") as fh:
                     nm_config.write(fh)
                     click.echo("Created %s" % nm_config_path)
-                os.system("nmcli con reload")
+                if os.path.exists("/run/NetworkManager"):
+                    os.system("nmcli con reload")
                 continue
 
 
@@ -323,7 +367,8 @@ def certidude_request(fork, renew, no_wait):
                 with open(os.path.join("/etc/NetworkManager/system-connections", endpoint), "w") as fh:
                     nm_config.write(fh)
                     click.echo("Created %s" % fh.name)
-                os.system("nmcli con reload")
+                if os.path.exists("/run/NetworkManager"):
+                    os.system("nmcli con reload")
                 continue
 
             # TODO: Puppet, OpenLDAP, <insert awesomeness here>
@@ -343,34 +388,13 @@ def certidude_request(fork, renew, no_wait):
     default="/etc/openvpn/site-to-client.conf",
     type=click.File(mode="w", atomic=True, lazy=True),
     help="OpenVPN configuration file")
-def certidude_setup_openvpn_server(authority, common_name, config, subnet, route, local, proto, port):
+@generate_dhparam("/etc/openvpn/dh.pem")
+@setup_client(prefix="server_")
+def certidude_setup_openvpn_server(authority, common_name, config, subnet, route, local, proto, port, **paths):
     # 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)
-        slug = common_name.replace(".", "-")
-        client_config.set(authority, "request path", "/etc/openvpn/keys/%s.csr" % slug)
-        client_config.set(authority, "key path", "/etc/openvpn/keys/%s.key" % slug)
-        client_config.set(authority, "certificate path", "/etc/openvpn/keys/%s.crt" % slug)
-        client_config.set(authority, "authority path",  "/etc/openvpn/keys/ca.crt")
-        client_config.set(authority, "revocations path",  "/etc/openvpn/keys/ca.crl")
-        client_config.set(authority, "dhparam path", "/etc/openvpn/keys/dhparam.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
     endpoint = "OpenVPN server %s of %s" % (common_name, authority)
     service_config = ConfigParser()
@@ -394,17 +418,18 @@ def certidude_setup_openvpn_server(authority, common_name, config, subnet, route
     config.write("proto %s\n" % proto)
     config.write("port %d\n" % port)
     config.write("local %s\n" % local)
-    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("dh %s\n" % client_config.get(authority, "dhparam path"))
+    config.write("key %s\n" % paths.get("key_path"))
+    config.write("cert %s\n" % paths.get("certificate_path"))
+    config.write("ca %s\n" % paths.get("authority_path"))
+    config.write("crl-verify %s\n" % paths.get("revocations_path"))
+    config.write("dh %s\n" % paths.get("dhparam_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("#ifconfig-pool-persist /tmp/openvpn-leases.txt\n")
-    config.write("#crl-verify %s\n" % client_config.get(authority, "revocations path"))
+
 
     click.echo("Generated %s" % config.name)
     click.echo("Inspect generated files and issue following to request certificate:")
@@ -423,18 +448,14 @@ def certidude_setup_openvpn_server(authority, common_name, config, subnet, route
     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")
+@generate_dhparam("/etc/nginx/ssl/dh.pem")
+@setup_client(prefix="server_")
+def certidude_setup_nginx(authority, common_name, site_config, tls_config, verify_client, **paths):
+    apt("nginx")
+    rpm("nginx")
+    from jinja2 import Environment, PackageLoader
+    env = Environment(loader=PackageLoader("certidude", "templates"), trim_blocks=True)
     if "." not in common_name:
         raise ValueError("Fully qualified hostname not specified as common name, make sure hostname -f works")
     client_config = ConfigParser()
@@ -450,7 +471,6 @@ def certidude_setup_nginx(authority, site_config, tls_config, common_name, direc
         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)
@@ -459,6 +479,7 @@ def certidude_setup_nginx(authority, site_config, tls_config, common_name, direc
 
     context = globals() # Grab const.BLAH
     context.update(locals())
+    context.update(paths)
 
     if os.path.exists(site_config.name):
         click.echo("Configuration file %s already exists, not overwriting" % site_config.name)
@@ -492,30 +513,12 @@ def certidude_setup_nginx(authority, site_config, tls_config, common_name, direc
     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):
+@setup_client()
+def certidude_setup_openvpn_client(authority, remote, common_name, config, proto, **ctx):
     # 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
@@ -538,7 +541,7 @@ def certidude_setup_openvpn_client(authority, remote, common_name, config, proto
     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("dev tun-%s\n" % remote.split(".")[0])
     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"))
@@ -563,7 +566,8 @@ def certidude_setup_openvpn_client(authority, remote, common_name, config, proto
 @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):
+@setup_client(prefix="server_")
+def certidude_setup_strongswan_server(authority, common_name, subnet, route, **paths):
     if "." not in common_name:
         raise ValueError("Hostname has to be fully qualified!")
 
@@ -572,31 +576,27 @@ def certidude_setup_strongswan_server(authority, common_name, subnet, route):
     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))
+    # Create corresponding section in /etc/certidude/services.conf
+    endpoint = "IPsec gateway for %s" % authority
+    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:
-        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))
+        service_config.add_section(endpoint)
+        service_config.set(endpoint, "authority", authority)
+        service_config.set(endpoint, "service", "init/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))
 
     # 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"),
+        leftcert=paths.get("certificate_path"),
         leftsubnet=",".join(route),
         right="%any",
         rightsourceip=str(subnet),
@@ -617,32 +617,13 @@ def certidude_setup_strongswan_server(authority, common_name, subnet, route):
 @click.argument("authority")
 @click.argument("remote")
 @click.option("--common-name", "-cn", default=const.HOSTNAME, help="Common name, %s by default" % const.HOSTNAME)
-def certidude_setup_strongswan_client(authority, remote, common_name):
+@setup_client()
+def certidude_setup_strongswan_client(authority, remote, common_name, **paths):
     # 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", common_name)
-        client_config.set(authority, "request path", "%s/ipsec.d/reqs/%s.pem" % (const.STRONGSWAN_PREFIX, common_name))
-        client_config.set(authority, "key path", "%s/ipsec.d/private/%s.pem" % (const.STRONGSWAN_PREFIX, common_name))
-        client_config.set(authority, "certificate path", "%s/ipsec.d/certs/%s.pem" % (const.STRONGSWAN_PREFIX, common_name))
-        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()
@@ -666,7 +647,7 @@ def certidude_setup_strongswan_client(authority, remote, common_name):
     config["conn", remote] = dict(
         leftsourceip="%config",
         left="%defaultroute",
-        leftcert=client_config.get(authority, "certificate path"),
+        leftcert=paths.get("certificate_path"),
         rightid="%any",
         right=remote,
         #rightsubnet=route,
@@ -689,33 +670,14 @@ def certidude_setup_strongswan_client(authority, remote, common_name):
 @click.argument("authority") # Certidude server
 @click.argument("remote") # StrongSwan gateway
 @click.option("--common-name", "-cn", default=const.HOSTNAME, help="Common name, %s by default" % const.HOSTNAME)
-def certidude_setup_strongswan_networkmanager(authority, remote, common_name):
+@setup_client()
+def certidude_setup_strongswan_networkmanager(authority, remote, common_name, **paths):
     # 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", common_name)
-        client_config.set(authority, "request path", "/etc/ipsec.d/reqs/%s.pem" % common_name)
-        client_config.set(authority, "key path", "/etc/ipsec.d/private/%s.pem" % common_name)
-        client_config.set(authority, "certificate path", "/etc/ipsec.d/certs/%s.pem" % common_name)
-        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):
@@ -737,27 +699,9 @@ def certidude_setup_strongswan_networkmanager(authority, remote, common_name):
 @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, common_name):
-    # 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", common_name)
-        client_config.set(authority, "request path", "/etc/ipsec.d/reqs/%s.pem" % common_name)
-        client_config.set(authority, "key path", "/etc/ipsec.d/private/%s.pem" % common_name)
-        client_config.set(authority, "certificate path", "/etc/ipsec.d/certs/%s.pem" % common_name)
-        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))
-
+@setup_client()
+def certidude_setup_openvpn_networkmanager(authority, remote, common_name, **paths):
+    # Create corresponding section in /etc/certidude/services.conf
     endpoint = "OpenVPN to %s" % remote
 
     service_config = ConfigParser()
@@ -767,7 +711,7 @@ def certidude_setup_openvpn_networkmanager(authority, remote, common_name):
         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, "authority", authority)
         service_config.set(endpoint, "remote", remote)
         service_config.set(endpoint, "service", "network-manager/openvpn")
         service_config.write(open("/etc/certidude/services.conf", "w"))

certidude/common.py

@@ -32,33 +32,6 @@ def ip_address(j):
     import ipaddress
     return ipaddress.ip_address(unicode(j))
 
-def expand_paths():
-    """
-    Prefix '..._path' keyword arguments of target function with 'directory' keyword argument
-    and create the directory if necessary
-
-    TODO: Move to separate file
-    """
-    def wrapper(func):
-        def wrapped(**arguments):
-            d = arguments.get("directory")
-            for key, value in arguments.items():
-                if key.endswith("_path"):
-                    if d:
-                        value = os.path.join(d, value)
-                    value = os.path.realpath(value)
-                    parent = os.path.dirname(value)
-                    if not os.path.exists(parent):
-                        click.echo("Making directory %s for %s" % (repr(parent), repr(key)))
-                        os.makedirs(parent)
-                    elif not os.path.isdir(parent):
-                        raise Exception("Path %s is not directory!" % parent)
-                    arguments[key] = value
-            return func(**arguments)
-        return wrapped
-    return wrapper
-
-
 def apt(packages):
     """
     Install packages for Debian and Ubuntu

certidude/const.py

@@ -15,6 +15,7 @@ SERVER_LOG_PATH = "/var/log/certidude-server.log"
 SIGNER_SOCKET_PATH = "/run/certidude/signer.sock"
 SIGNER_PID_PATH = os.path.join(RUN_DIR, "signer.pid")
 SIGNER_LOG_PATH = "/var/log/certidude-signer.log"
+STORAGE_PATH = "/var/lib/certidude"
 
 try:
     FQDN = socket.getaddrinfo(socket.gethostname(), 0, socket.AF_INET, 0, 0, socket.AI_CANONNAME)[0][3]

certidude/helpers.py

@@ -16,12 +16,12 @@ def selinux_fixup(path):
     cmd = "chcon", "--type=home_cert_t", path
     subprocess.call(cmd)
 
-def certidude_request_certificate(server, system_keytab_required, key_path, request_path, certificate_path, authority_path, revocations_path, common_name, autosign=False, wait=False, bundle=False, renew=False, insecure=False):
+def certidude_request_certificate(server, system_keytab_required, key_path, request_path, certificate_path, authority_path, revocations_path, common_name, renewal_overlap, autosign=False, wait=False, bundle=False, renew=False, insecure=False):
     """
     Exchange CSR for certificate using Certidude HTTP API server
     """
     import requests
-    from certidude import errors, const
+    from certidude import errors, const, config
     from cryptography import x509
     from cryptography.hazmat.primitives.asymmetric import rsa, padding
     from cryptography.hazmat.backends import default_backend
@@ -178,14 +178,15 @@ def certidude_request_certificate(server, system_keytab_required, key_path, requ
         cert_buf = open(certificate_path).read()
         cert = x509.load_pem_x509_certificate(cert_buf, default_backend())
         lifetime = (cert.not_valid_after - cert.not_valid_before)
-        overlap = lifetime / 4 # TODO: Make overlap configurable
-        if datetime.now() > cert.not_valid_after - overlap:
-            click.echo("Certificate expired %s" % cert.not_valid_after)
+        if renewal_overlap and datetime.now() > cert.not_valid_after - timedelta(days=renewal_overlap):
+            click.echo("Certificate will expire %s, will attempt to renew" % cert.not_valid_after)
             renew = True
         else:
             click.echo("Found valid certificate: %s" % certificate_path)
             if not renew: # Don't do anything if renewal wasn't requested explicitly
                 return
+    else:
+        cert = None
 
     # If machine is joined to domain attempt to present machine credentials for authentication
     if system_keytab_required:
@@ -211,7 +212,7 @@ def certidude_request_certificate(server, system_keytab_required, key_path, requ
         "Accept": "application/x-x509-user-cert,application/x-pem-file"
     }
 
-    if renew:
+    if renew and cert:
         signer = key.signer(
             padding.PSS(
                 mgf=padding.MGF1(hashes.SHA512()),
@@ -233,7 +234,7 @@ def certidude_request_certificate(server, system_keytab_required, key_path, requ
     if submission.status_code == requests.codes.ok:
         pass
     if submission.status_code == requests.codes.accepted:
-        # Server stored the request for processing (202 Accepted), but waiting was not requested, hence quitting for now
+        click.echo("Server accepted the request, but refused to sign immideately (%s). Waiting was not requested, hence quitting for now" % submission.text) 
         return
     if submission.status_code == requests.codes.conflict:
         raise errors.DuplicateCommonNameError("Different signing request with same CN is already present on server, server refuses to overwrite")

certidude/templates/mail/token.md

@@ -1,7 +1,11 @@
 Token for {{ user.name }}
 
+{% if issuer == user %}
+Token has been issued for {{ user }} for retrieving profile from link below.
+{% else %}
 {{ issuer }} has provided {{ user }} a token for retrieving
 profile from the link below.
+{% endif %}
 
 {% if config.BUNDLE_FORMAT == "ovpn" %}
 To set up OpenVPN for your device:

certidude/templates/nginx-https-site.conf

@@ -1,8 +1,8 @@
 
 server {
     listen 80;
-    server_name {{const.FQDN}};
-    rewrite ^ https://{{const.FQDN}}$request_uri?;
+    server_name {{common_name}};
+    rewrite ^ https://{{common_name}}$request_uri?;
 }
 
 server {
@@ -10,7 +10,7 @@ server {
     add_header X-Frame-Options "DENY";
     add_header Strict-Transport-Security "max-age=63072000; includeSubdomains; preload";
     listen 443 ssl;
-    server_name {{const.FQDN}};
+    server_name {{common_name}};
     client_max_body_size 10G;
     ssl_certificate {{certificate_path}};
     ssl_certificate_key {{key_path}};

certidude/templates/server/server.conf

@@ -88,6 +88,7 @@ revoked url = {{ revoked_url }}
 renewal allowed = false
 ;renewal allowed = true
 
+
 [push]
 # This should occasionally be regenerated
 event source token = {{ push_token }}

tests/test_cli.py

@@ -55,6 +55,21 @@ def generate_csr(cn=None):
         ).public_bytes(serialization.Encoding.PEM)
     return buf
 
+
+def clean_client():
+    assert os.getuid() == 0 and os.getgid() == 0
+    if os.path.exists("/etc/certidude/client.conf"):
+        os.unlink("/etc/certidude/client.conf")
+    if os.path.exists("/etc/certidude/services.conf"):
+        os.unlink("/etc/certidude/services.conf")
+
+    # Remove client storage area
+    if os.path.exists("/tmp/ca.example.lan"):
+        for filename in os.listdir("/tmp/ca.example.lan"):
+            if filename.endswith(".pem"):
+                os.unlink(os.path.join("/tmp/ca.example.lan", filename))
+
+
 def test_cli_setup_authority():
     import os
     import sys
@@ -78,13 +93,19 @@ def test_cli_setup_authority():
         shutil.rmtree("/var/lib/certidude/ca.example.lan")
     if os.path.exists("/etc/certidude/server.conf"):
         os.unlink("/etc/certidude/server.conf")
-    if os.path.exists("/etc/certidude/client.conf"):
-        os.unlink("/etc/certidude/client.conf")
     if os.path.exists("/run/certidude"):
         shutil.rmtree("/run/certidude")
     if os.path.exists("/var/log/certidude.log"):
         os.unlink("/var/log/certidude.log")
 
+    # Remove nginx stuff
+    if os.path.exists("/etc/nginx/sites-available/ca.conf"):
+        os.unlink("/etc/nginx/sites-available/ca.conf")
+    if os.path.exists("/etc/nginx/sites-enabled/ca.conf"):
+        os.unlink("/etc/nginx/sites-enabled/ca.conf")
+    if os.path.exists("/etc/nginx/conf.d/tls.conf"):
+        os.unlink("/etc/nginx/conf.d/tls.conf")
+
     with open("/etc/ipsec.conf", "w") as fh: # TODO: make compatible with Fedora
         pass
 
@@ -96,6 +117,8 @@ def test_cli_setup_authority():
         if os.path.exists("/etc/openvpn/keys"):
             shutil.rmtree("/etc/openvpn/keys")
 
+    clean_client()
+
     from certidude.cli import entry_point as cli
     from certidude import const
 
@@ -397,34 +420,62 @@ def test_cli_setup_authority():
     assert r2.headers.get('content-type') == "application/x-pkcs12"
     assert "Signed " in inbox.pop(), inbox
 
-    result = runner.invoke(cli, ['setup', 'openvpn', 'server', "-cn", "vpn.example.lan", "ca.example.lan"])
-    assert not result.exception, result.output
+    # Beyond this point don't use client()
+    const.STORAGE_PATH = "/tmp/"
 
-    result = runner.invoke(cli, ['setup', 'openvpn', 'client', "-cn", "roadwarrior1", "ca.example.lan", "vpn.example.lan"])
-    assert not result.exception, result.output
+    #############
+    ### nginx ###
+    #############
+    clean_client()
 
-    result = runner.invoke(cli, ['setup', 'strongswan', 'server', "-cn", "ipsec.example.lan", "ca.example.lan"])
-    assert not result.exception, result.output
-
-    result = runner.invoke(cli, ['setup', 'strongswan', 'client', "-cn", "roadwarrior2", "ca.example.lan", "ipsec.example.lan"])
-    assert not result.exception, result.output
-
-    result = runner.invoke(cli, ['setup', 'openvpn', 'networkmanager', "-cn", "roadwarrior3", "ca.example.lan", "vpn.example.lan"])
-    assert not result.exception, result.output
-
-    result = runner.invoke(cli, ['setup', 'strongswan', 'networkmanager', "-cn", "roadwarrior4", "ca.example.lan", "ipsec.example.lan"])
+    result = runner.invoke(cli, ["setup", "nginx", "-cn", "www.example.lan", "ca.example.lan"])
     assert not result.exception, result.output
 
     import os
-    if not os.path.exists("/etc/openvpn/keys"):
-        os.makedirs("/etc/openvpn/keys")
 
     with open("/etc/certidude/client.conf", "a") as fh:
         fh.write("insecure = true\n")
 
-    # pregen dhparam
     result = runner.invoke(cli, ["request", "--no-wait"])
-    assert not result.exception, "server responded %s, server logs say %s"  % (result.output, open("/var/log/certidude.log").read())
+    assert not result.exception, result.output
+
+    child_pid = os.fork()
+    if not child_pid:
+        result = runner.invoke(cli, ['sign', 'www.example.lan'])
+        assert not result.exception, result.output
+        return
+    else:
+        os.waitpid(child_pid, 0)
+
+    result = runner.invoke(cli, ["request", "--no-wait"])
+    assert not result.exception, result.output
+    assert "Writing certificate to:" in result.output, result.output
+
+    result = runner.invoke(cli, ["request", "--renew", "--no-wait"])
+    assert not result.exception, result.output
+    assert "Writing certificate to:" in result.output, result.output
+
+    # Test nginx setup
+    assert os.system("nginx -t") == 0, "Generated nginx config was invalid"
+
+
+    ###############
+    ### OpenVPN ###
+    ###############
+
+    clean_client()
+
+    if not os.path.exists("/etc/openvpn/keys"):
+        os.makedirs("/etc/openvpn/keys")
+
+    result = runner.invoke(cli, ['setup', 'openvpn', 'server', "-cn", "vpn.example.lan", "ca.example.lan"])
+    assert not result.exception, result.output
+
+    with open("/etc/certidude/client.conf", "a") as fh:
+        fh.write("insecure = true\n")
+
+    result = runner.invoke(cli, ["request", "--no-wait"])
+    assert not result.exception, result.output
 
     child_pid = os.fork()
     if not child_pid:
@@ -436,13 +487,87 @@ def test_cli_setup_authority():
 
     result = runner.invoke(cli, ["request", "--no-wait"])
     assert not result.exception, result.output
-    result = runner.invoke(cli, ["request", "--renew"])
+    assert "Writing certificate to:" in result.output, result.output
+    assert os.path.exists("/tmp/ca.example.lan/server_cert.pem")
+
+    # Reset config
+    os.unlink("/etc/certidude/client.conf")
+    os.unlink("/etc/certidude/services.conf")
+
+    result = runner.invoke(cli, ['setup', 'openvpn', 'client', "-cn", "roadwarrior1", "ca.example.lan", "vpn.example.lan"])
     assert not result.exception, result.output
 
+    with open("/etc/certidude/client.conf", "a") as fh:
+        fh.write("insecure = true\n")
+
+    result = runner.invoke(cli, ["request", "--no-wait"])
+    assert not result.exception, result.output
+    assert "Writing certificate to:" in result.output, result.output
+
+    # TODO: test client verification with curl
+
+    ###############
+    ### IPSec ###
+    ###############
+
+    clean_client()
+
+    result = runner.invoke(cli, ['setup', 'strongswan', 'server', "-cn", "ipsec.example.lan", "ca.example.lan"])
+    assert not result.exception, result.output
+
+    with open("/etc/certidude/client.conf", "a") as fh:
+        fh.write("insecure = true\n")
+
+    result = runner.invoke(cli, ["request", "--no-wait"])
+    assert not result.exception, result.output
+
+    child_pid = os.fork()
+    if not child_pid:
+        result = runner.invoke(cli, ['sign', 'ipsec.example.lan'])
+        assert not result.exception, result.output
+        return
+    else:
+        os.waitpid(child_pid, 0)
+
+    result = runner.invoke(cli, ["request", "--no-wait"])
+    assert not result.exception, result.output
+    assert "Writing certificate to:" in result.output, result.output
+    assert os.path.exists("/tmp/ca.example.lan/server_cert.pem")
+
+    # Reset config
+    os.unlink("/etc/certidude/client.conf")
+    os.unlink("/etc/certidude/services.conf")
+
+    result = runner.invoke(cli, ['setup', 'strongswan', 'client', "-cn", "roadwarrior2", "ca.example.lan", "ipsec.example.lan"])
+    assert not result.exception, result.output
+
+    with open("/etc/certidude/client.conf", "a") as fh:
+        fh.write("insecure = true\n")
+
+    result = runner.invoke(cli, ["request", "--no-wait"])
+    assert not result.exception, result.output
+    assert "Writing certificate to:" in result.output, result.output
+
+
+    ######################
+    ### NetworkManager ###
+    ######################
+
+    result = runner.invoke(cli, ['setup', 'openvpn', 'networkmanager', "-cn", "roadwarrior3", "ca.example.lan", "vpn.example.lan"])
+    assert not result.exception, result.output
+
+    result = runner.invoke(cli, ['setup', 'strongswan', 'networkmanager', "-cn", "roadwarrior4", "ca.example.lan", "ipsec.example.lan"])
+    assert not result.exception, result.output
+
+
+    ###################
+    ### Final tests ###
+    ###################
+
     # Test revocation on command-line
     child_pid = os.fork()
     if not child_pid:
-        result = runner.invoke(cli, ['revoke', 'vpn.example.lan'])
+        result = runner.invoke(cli, ['revoke', 'www.example.lan'])
         assert not result.exception, result.output
         return
     else: