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Diffstat (limited to '')
| -rwxr-xr-x | test/modules/md/md_env.py | 613 |
1 files changed, 613 insertions, 0 deletions
diff --git a/test/modules/md/md_env.py b/test/modules/md/md_env.py new file mode 100755 index 0000000..e8e36e5 --- /dev/null +++ b/test/modules/md/md_env.py @@ -0,0 +1,613 @@ +import copy +import inspect +import json +import logging +from configparser import ConfigParser, ExtendedInterpolation + +import pytest +import re +import os +import shutil +import subprocess +import time + +from datetime import datetime, timedelta +from typing import Dict, Optional + +from pyhttpd.certs import CertificateSpec +from .md_cert_util import MDCertUtil +from pyhttpd.env import HttpdTestSetup, HttpdTestEnv +from pyhttpd.result import ExecResult + +log = logging.getLogger(__name__) + + +class MDTestSetup(HttpdTestSetup): + + def __init__(self, env: 'MDTestEnv'): + super().__init__(env=env) + self.mdenv = env + self.add_modules(["watchdog", "proxy_connect", "md"]) + + def make(self): + super().make() + if "pebble" == self.mdenv.acme_server: + self._make_pebble_conf() + self.mdenv.clear_store() + + def _make_pebble_conf(self): + our_dir = os.path.dirname(inspect.getfile(MDTestSetup)) + conf_src_dir = os.path.join(our_dir, 'pebble') + conf_dest_dir = os.path.join(self.env.gen_dir, 'pebble') + if not os.path.exists(conf_dest_dir): + os.makedirs(conf_dest_dir) + for name in os.listdir(conf_src_dir): + src_path = os.path.join(conf_src_dir, name) + m = re.match(r'(.+).template', name) + if m: + self._make_template(src_path, os.path.join(conf_dest_dir, m.group(1))) + elif os.path.isfile(src_path): + shutil.copy(src_path, os.path.join(conf_dest_dir, name)) + + +class MDTestEnv(HttpdTestEnv): + + MD_S_UNKNOWN = 0 + MD_S_INCOMPLETE = 1 + MD_S_COMPLETE = 2 + MD_S_EXPIRED = 3 + MD_S_ERROR = 4 + + EMPTY_JOUT = {'status': 0, 'output': []} + + DOMAIN_SUFFIX = "%d.org" % time.time() + LOG_FMT_TIGHT = '%(levelname)s: %(message)s' + + @classmethod + def get_acme_server(cls): + return os.environ['ACME'] if 'ACME' in os.environ else "pebble" + + @classmethod + def has_acme_server(cls): + return cls.get_acme_server() != 'none' + + @classmethod + def has_acme_eab(cls): + return cls.get_acme_server() == 'pebble' + + @classmethod + def is_pebble(cls) -> bool: + return cls.get_acme_server() == 'pebble' + + @classmethod + def lacks_ocsp(cls): + return cls.is_pebble() + + @classmethod + def has_a2md(cls): + d = os.path.dirname(inspect.getfile(HttpdTestEnv)) + config = ConfigParser(interpolation=ExtendedInterpolation()) + config.read(os.path.join(d, 'config.ini')) + bin_dir = config.get('global', 'bindir') + a2md_bin = os.path.join(bin_dir, 'a2md') + return os.path.isfile(a2md_bin) + + def __init__(self, pytestconfig=None): + super().__init__(pytestconfig=pytestconfig) + self.add_httpd_log_modules(["md"]) + self._acme_server = self.get_acme_server() + self._acme_tos = "accepted" + self._acme_ca_pemfile = os.path.join(self.gen_dir, "apache/acme-ca.pem") + if "pebble" == self._acme_server: + self._acme_url = "https://localhost:14000/dir" + self._acme_eab_url = "https://localhost:14001/dir" + elif "boulder" == self._acme_server: + self._acme_url = "http://localhost:4001/directory" + self._acme_eab_url = None + else: + raise Exception(f"unknown ACME server type: {self._acme_server}") + self._acme_server_down = False + self._acme_server_ok = False + + self._a2md_bin = os.path.join(self.bin_dir, 'a2md') + self._default_domain = f"test1.{self.http_tld}" + self._tailscale_domain = "test.headless-chicken.ts.net" + self._store_dir = "./md" + self.set_store_dir_default() + + self.add_cert_specs([ + CertificateSpec(domains=[f"expired.{self._http_tld}"], + valid_from=timedelta(days=-100), + valid_to=timedelta(days=-10)), + CertificateSpec(domains=["localhost"], key_type='rsa2048'), + CertificateSpec(domains=[self._tailscale_domain]), + ]) + + def setup_httpd(self, setup: HttpdTestSetup = None): + super().setup_httpd(setup=MDTestSetup(env=self)) + + def set_store_dir_default(self): + dirpath = "md" + if self.httpd_is_at_least("2.5.0"): + dirpath = os.path.join("state", dirpath) + self.set_store_dir(dirpath) + + def set_store_dir(self, dirpath): + self._store_dir = os.path.join(self.server_dir, dirpath) + if self.acme_url: + self.a2md_stdargs([self.a2md_bin, "-a", self.acme_url, + "-d", self._store_dir, "-C", self.acme_ca_pemfile, "-j"]) + self.a2md_rawargs([self.a2md_bin, "-a", self.acme_url, + "-d", self._store_dir, "-C", self.acme_ca_pemfile]) + + def get_apxs_var(self, name: str) -> str: + p = subprocess.run([self._apxs, "-q", name], capture_output=True, text=True) + if p.returncode != 0: + return "" + return p.stdout.strip() + + @property + def acme_server(self): + return self._acme_server + + @property + def acme_url(self): + return self._acme_url + + @property + def acme_tos(self): + return self._acme_tos + + @property + def a2md_bin(self): + return self._a2md_bin + + @property + def acme_ca_pemfile(self): + return self._acme_ca_pemfile + + @property + def store_dir(self): + return self._store_dir + + @property + def tailscale_domain(self): + return self._tailscale_domain + + def get_request_domain(self, request): + name = request.node.originalname if request.node.originalname else request.node.name + return "%s-%s" % (re.sub(r'[_]', '-', name), MDTestEnv.DOMAIN_SUFFIX) + + def get_method_domain(self, method): + return "%s-%s" % (re.sub(r'[_]', '-', method.__name__.lower()), MDTestEnv.DOMAIN_SUFFIX) + + def get_module_domain(self, module): + return "%s-%s" % (re.sub(r'[_]', '-', module.__name__.lower()), MDTestEnv.DOMAIN_SUFFIX) + + def get_class_domain(self, c): + return "%s-%s" % (re.sub(r'[_]', '-', c.__name__.lower()), MDTestEnv.DOMAIN_SUFFIX) + + # --------- cmd execution --------- + + _a2md_args = [] + _a2md_args_raw = [] + + def a2md_stdargs(self, args): + self._a2md_args = [] + args + + def a2md_rawargs(self, args): + self._a2md_args_raw = [] + args + + def a2md(self, args, raw=False) -> ExecResult: + preargs = self._a2md_args + if raw: + preargs = self._a2md_args_raw + log.debug("running: {0} {1}".format(preargs, args)) + return self.run(preargs + args) + + def check_acme(self): + if self._acme_server_ok: + return True + if self._acme_server_down: + pytest.skip(msg="ACME server not running") + return False + if self.is_live(self.acme_url, timeout=timedelta(seconds=0.5)): + self._acme_server_ok = True + return True + else: + self._acme_server_down = True + pytest.fail(msg="ACME server not running", pytrace=False) + return False + + def get_ca_pem_file(self, hostname: str) -> Optional[str]: + pem_file = super().get_ca_pem_file(hostname) + if pem_file is None: + pem_file = self.acme_ca_pemfile + return pem_file + + # --------- access local store --------- + + def purge_store(self): + log.debug("purge store dir: %s" % self._store_dir) + assert len(self._store_dir) > 1 + if os.path.exists(self._store_dir): + shutil.rmtree(self._store_dir, ignore_errors=False) + os.makedirs(self._store_dir) + + def clear_store(self): + log.debug("clear store dir: %s" % self._store_dir) + assert len(self._store_dir) > 1 + if not os.path.exists(self._store_dir): + os.makedirs(self._store_dir) + for dirpath in ["challenges", "tmp", "archive", "domains", "accounts", "staging", "ocsp"]: + shutil.rmtree(os.path.join(self._store_dir, dirpath), ignore_errors=True) + + def clear_ocsp_store(self): + assert len(self._store_dir) > 1 + dirpath = os.path.join(self._store_dir, "ocsp") + log.debug("clear ocsp store dir: %s" % dir) + if os.path.exists(dirpath): + shutil.rmtree(dirpath, ignore_errors=True) + + def authz_save(self, name, content): + dirpath = os.path.join(self._store_dir, 'staging', name) + os.makedirs(dirpath) + open(os.path.join(dirpath, 'authz.json'), "w").write(content) + + def path_store_json(self): + return os.path.join(self._store_dir, 'md_store.json') + + def path_account(self, acct): + return os.path.join(self._store_dir, 'accounts', acct, 'account.json') + + def path_account_key(self, acct): + return os.path.join(self._store_dir, 'accounts', acct, 'account.pem') + + def store_domains(self): + return os.path.join(self._store_dir, 'domains') + + def store_archives(self): + return os.path.join(self._store_dir, 'archive') + + def store_stagings(self): + return os.path.join(self._store_dir, 'staging') + + def store_challenges(self): + return os.path.join(self._store_dir, 'challenges') + + def store_domain_file(self, domain, filename): + return os.path.join(self.store_domains(), domain, filename) + + def store_archived_file(self, domain, version, filename): + return os.path.join(self.store_archives(), "%s.%d" % (domain, version), filename) + + def store_staged_file(self, domain, filename): + return os.path.join(self.store_stagings(), domain, filename) + + def path_fallback_cert(self, domain): + return os.path.join(self._store_dir, 'domains', domain, 'fallback-pubcert.pem') + + def path_job(self, domain): + return os.path.join(self._store_dir, 'staging', domain, 'job.json') + + def replace_store(self, src): + shutil.rmtree(self._store_dir, ignore_errors=False) + shutil.copytree(src, self._store_dir) + + def list_accounts(self): + return os.listdir(os.path.join(self._store_dir, 'accounts')) + + def check_md(self, domain, md=None, state=-1, ca=None, protocol=None, agreement=None, contacts=None): + domains = None + if isinstance(domain, list): + domains = domain + domain = domains[0] + if md: + domain = md + path = self.store_domain_file(domain, 'md.json') + with open(path) as f: + md = json.load(f) + assert md + if domains: + assert md['domains'] == domains + if state >= 0: + assert md['state'] == state + if ca: + assert len(md['ca']['urls']) == 1 + assert md['ca']['urls'][0] == ca + if protocol: + assert md['ca']['proto'] == protocol + if agreement: + assert md['ca']['agreement'] == agreement + if contacts: + assert md['contacts'] == contacts + + def pkey_fname(self, pkeyspec=None): + if pkeyspec and not re.match(r'^rsa( ?\d+)?$', pkeyspec.lower()): + return "privkey.{0}.pem".format(pkeyspec.lower()) + return 'privkey.pem' + + def cert_fname(self, pkeyspec=None): + if pkeyspec and not re.match(r'^rsa( ?\d+)?$', pkeyspec.lower()): + return "pubcert.{0}.pem".format(pkeyspec.lower()) + return 'pubcert.pem' + + def check_md_complete(self, domain, pkey=None): + md = self.get_md_status(domain) + assert md + assert 'state' in md, "md is unexpected: {0}".format(md) + assert md['state'] is MDTestEnv.MD_S_COMPLETE, f"unexpected state: {md['state']}" + pkey_file = self.store_domain_file(domain, self.pkey_fname(pkey)) + cert_file = self.store_domain_file(domain, self.cert_fname(pkey)) + r = self.run(['ls', os.path.dirname(pkey_file)]) + if not os.path.isfile(pkey_file): + assert False, f"pkey missing: {pkey_file}: {r.stdout}" + if not os.path.isfile(cert_file): + assert False, f"cert missing: {cert_file}: {r.stdout}" + return md + + def check_md_credentials(self, domain): + if isinstance(domain, list): + domains = domain + domain = domains[0] + else: + domains = [domain] + # check private key, validate certificate, etc + MDCertUtil.validate_privkey(self.store_domain_file(domain, 'privkey.pem')) + cert = MDCertUtil(self.store_domain_file(domain, 'pubcert.pem')) + cert.validate_cert_matches_priv_key(self.store_domain_file(domain, 'privkey.pem')) + # check SANs and CN + assert cert.get_cn() == domain + # compare lists twice in opposite directions: SAN may not respect ordering + san_list = list(cert.get_san_list()) + assert len(san_list) == len(domains) + assert set(san_list).issubset(domains) + assert set(domains).issubset(san_list) + # check valid dates interval + not_before = cert.get_not_before() + not_after = cert.get_not_after() + assert not_before < datetime.now(not_before.tzinfo) + assert not_after > datetime.now(not_after.tzinfo) + + # --------- check utilities --------- + + def check_json_contains(self, actual, expected): + # write all expected key:value bindings to a copy of the actual data ... + # ... assert it stays unchanged + test_json = copy.deepcopy(actual) + test_json.update(expected) + assert actual == test_json + + def check_file_access(self, path, exp_mask): + actual_mask = os.lstat(path).st_mode & 0o777 + assert oct(actual_mask) == oct(exp_mask) + + def check_dir_empty(self, path): + assert os.listdir(path) == [] + + def get_http_status(self, domain, path, use_https=True): + r = self.get_meta(domain, path, use_https, insecure=True) + return r.response['status'] + + def get_cert(self, domain, tls=None, ciphers=None): + return MDCertUtil.load_server_cert(self._httpd_addr, self.https_port, + domain, tls=tls, ciphers=ciphers) + + def get_server_cert(self, domain, proto=None, ciphers=None): + args = [ + "openssl", "s_client", "-status", + "-connect", "%s:%s" % (self._httpd_addr, self.https_port), + "-CAfile", self.acme_ca_pemfile, + "-servername", domain, + "-showcerts" + ] + if proto is not None: + args.extend(["-{0}".format(proto)]) + if ciphers is not None: + args.extend(["-cipher", ciphers]) + r = self.run(args) + # noinspection PyBroadException + try: + return MDCertUtil.parse_pem_cert(r.stdout) + except: + return None + + def verify_cert_key_lenghts(self, domain, pkeys): + for p in pkeys: + cert = self.get_server_cert(domain, proto="tls1_2", ciphers=p['ciphers']) + if 0 == p['keylen']: + assert cert is None + else: + assert cert, "no cert returned for cipher: {0}".format(p['ciphers']) + assert cert.get_key_length() == p['keylen'], "key length, expected {0}, got {1}".format( + p['keylen'], cert.get_key_length() + ) + + def get_meta(self, domain, path, use_https=True, insecure=False): + schema = "https" if use_https else "http" + port = self.https_port if use_https else self.http_port + r = self.curl_get(f"{schema}://{domain}:{port}{path}", insecure=insecure) + assert r.exit_code == 0 + assert r.response + assert r.response['header'] + return r + + def get_content(self, domain, path, use_https=True): + schema = "https" if use_https else "http" + port = self.https_port if use_https else self.http_port + r = self.curl_get(f"{schema}://{domain}:{port}{path}") + assert r.exit_code == 0 + return r.stdout + + def get_json_content(self, domain, path, use_https=True, insecure=False): + schema = "https" if use_https else "http" + port = self.https_port if use_https else self.http_port + url = f"{schema}://{domain}:{port}{path}" + r = self.curl_get(url, insecure=insecure) + if r.exit_code != 0: + log.error(f"curl get on {url} returned {r.exit_code}" + f"\nstdout: {r.stdout}" + f"\nstderr: {r.stderr}") + assert r.exit_code == 0, r.stderr + return r.json + + def get_certificate_status(self, domain) -> Dict: + return self.get_json_content(domain, "/.httpd/certificate-status", insecure=True) + + def get_md_status(self, domain, via_domain=None, use_https=True) -> Dict: + if via_domain is None: + via_domain = self._default_domain + return self.get_json_content(via_domain, f"/md-status/{domain}", + use_https=use_https) + + def get_server_status(self, query="/", via_domain=None, use_https=True): + if via_domain is None: + via_domain = self._default_domain + return self.get_content(via_domain, "/server-status%s" % query, use_https=use_https) + + def await_completion(self, names, must_renew=False, restart=True, timeout=60, + via_domain=None, use_https=True): + try_until = time.time() + timeout + renewals = {} + names = names.copy() + while len(names) > 0: + if time.time() >= try_until: + return False + for name in names: + mds = self.get_md_status(name, via_domain=via_domain, use_https=use_https) + if mds is None: + log.debug("not managed by md: %s" % name) + return False + + if 'renewal' in mds: + renewal = mds['renewal'] + renewals[name] = True + if 'finished' in renewal and renewal['finished'] is True: + if (not must_renew) or (name in renewals): + log.debug(f"domain cert was renewed: {name}") + names.remove(name) + + if len(names) != 0: + time.sleep(0.1) + if restart: + time.sleep(0.1) + return self.apache_restart() == 0 + return True + + def is_renewing(self, name): + stat = self.get_certificate_status(name) + return 'renewal' in stat + + def await_renewal(self, names, timeout=60): + try_until = time.time() + timeout + while len(names) > 0: + if time.time() >= try_until: + return False + for name in names: + md = self.get_md_status(name) + if md is None: + log.debug("not managed by md: %s" % name) + return False + + if 'renewal' in md: + names.remove(name) + + if len(names) != 0: + time.sleep(0.1) + return True + + def await_error(self, domain, timeout=60, via_domain=None, use_https=True, errors=1): + try_until = time.time() + timeout + while True: + if time.time() >= try_until: + return False + md = self.get_md_status(domain, via_domain=via_domain, use_https=use_https) + if md: + if 'state' in md and md['state'] == MDTestEnv.MD_S_ERROR: + return md + if 'renewal' in md and 'errors' in md['renewal'] \ + and md['renewal']['errors'] >= errors: + return md + time.sleep(0.1) + + def await_file(self, fpath, timeout=60): + try_until = time.time() + timeout + while True: + if time.time() >= try_until: + return False + if os.path.isfile(fpath): + return True + time.sleep(0.1) + + def check_file_permissions(self, domain): + dpath = os.path.join(self.store_dir, 'domains', domain) + assert os.path.isdir(dpath) + md = json.load(open(os.path.join(dpath, 'md.json'))) + assert md + acct = md['ca']['account'] + assert acct + self.check_file_access(self.path_store_json(), 0o600) + # domains + self.check_file_access(self.store_domains(), 0o700) + self.check_file_access(os.path.join(self.store_domains(), domain), 0o700) + self.check_file_access(self.store_domain_file(domain, 'privkey.pem'), 0o600) + self.check_file_access(self.store_domain_file(domain, 'pubcert.pem'), 0o600) + self.check_file_access(self.store_domain_file(domain, 'md.json'), 0o600) + # archive + self.check_file_access(self.store_archived_file(domain, 1, 'md.json'), 0o600) + # accounts + self.check_file_access(os.path.join(self._store_dir, 'accounts'), 0o755) + self.check_file_access(os.path.join(self._store_dir, 'accounts', acct), 0o755) + self.check_file_access(self.path_account(acct), 0o644) + self.check_file_access(self.path_account_key(acct), 0o644) + # staging + self.check_file_access(self.store_stagings(), 0o755) + + def get_ocsp_status(self, domain, proto=None, cipher=None, ca_file=None): + stat = {} + args = [ + "openssl", "s_client", "-status", + "-connect", "%s:%s" % (self._httpd_addr, self.https_port), + "-CAfile", ca_file if ca_file else self.acme_ca_pemfile, + "-servername", domain, + "-showcerts" + ] + if proto is not None: + args.extend(["-{0}".format(proto)]) + if cipher is not None: + args.extend(["-cipher", cipher]) + r = self.run(args, debug_log=False) + ocsp_regex = re.compile(r'OCSP response: +([^=\n]+)\n') + matches = ocsp_regex.finditer(r.stdout) + for m in matches: + if m.group(1) != "": + stat['ocsp'] = m.group(1) + if 'ocsp' not in stat: + ocsp_regex = re.compile(r'OCSP Response Status:\s*(.+)') + matches = ocsp_regex.finditer(r.stdout) + for m in matches: + if m.group(1) != "": + stat['ocsp'] = m.group(1) + verify_regex = re.compile(r'Verify return code:\s*(.+)') + matches = verify_regex.finditer(r.stdout) + for m in matches: + if m.group(1) != "": + stat['verify'] = m.group(1) + return stat + + def await_ocsp_status(self, domain, timeout=10, ca_file=None): + try_until = time.time() + timeout + while True: + if time.time() >= try_until: + break + stat = self.get_ocsp_status(domain, ca_file=ca_file) + if 'ocsp' in stat and stat['ocsp'] != "no response sent": + return stat + time.sleep(0.1) + raise TimeoutError(f"ocsp respopnse not available: {domain}") + + def create_self_signed_cert(self, name_list, valid_days, serial=1000, path=None): + dirpath = path + if not path: + dirpath = os.path.join(self.store_domains(), name_list[0]) + return MDCertUtil.create_self_signed_cert(dirpath, name_list, valid_days, serial) |