1 files changed, 190 insertions, 0 deletions
diff --git a/test/modules/tls/env.py b/test/modules/tls/env.py
new file mode 100644
index 0000000..a39fcaa
--- /dev/null
+++ b/test/modules/tls/env.py
@@ -0,0 +1,190 @@
+import inspect
+import logging
+import os
+import re
+import subprocess
+
+from datetime import timedelta, datetime
+from typing import List, Optional, Dict, Tuple, Union
+
+from pyhttpd.certs import CertificateSpec
+from pyhttpd.env import HttpdTestEnv, HttpdTestSetup
+from pyhttpd.result import ExecResult
+
+log = logging.getLogger(__name__)
+
+
+class TlsTestSetup(HttpdTestSetup):
+
+    def __init__(self, env: 'HttpdTestEnv'):
+        super().__init__(env=env)
+        self.add_source_dir(os.path.dirname(inspect.getfile(TlsTestSetup)))
+        self.add_modules(["tls", "http2", "cgid", "watchdog", "proxy_http2"])
+
+
+class TlsCipher:
+
+    def __init__(self, id: int, name: str, flavour: str,
+                 min_version: float, max_version: float = None,
+                 openssl: str = None):
+        self.id = id
+        self.name = name
+        self.flavour = flavour
+        self.min_version = min_version
+        self.max_version = max_version if max_version is not None else self.min_version
+        if openssl is None:
+            if name.startswith('TLS13_'):
+                openssl = re.sub(r'^TLS13_', 'TLS_', name)
+            else:
+                openssl = re.sub(r'^TLS_', '', name)
+                openssl = re.sub(r'_WITH_([^_]+)_', r'_\1_', openssl)
+                openssl = re.sub(r'_AES_(\d+)', r'_AES\1', openssl)
+                openssl = re.sub(r'(_POLY1305)_\S+$', r'\1', openssl)
+                openssl = re.sub(r'_', '-', openssl)
+        self.openssl_name = openssl
+        self.id_name = "TLS_CIPHER_0x{0:04x}".format(self.id)
+
+    def __repr__(self):
+        return self.name
+
+    def __str__(self):
+        return self.name
+
+
+class TlsTestEnv(HttpdTestEnv):
+
+    CURL_SUPPORTS_TLS_1_3 = None
+
+    @classmethod
+    def curl_supports_tls_1_3(cls) -> bool:
+        if cls.CURL_SUPPORTS_TLS_1_3 is None:
+            # Unfortunately, there is no reliable, platform-independant
+            # way to verify that TLSv1.3 is properly supported by curl.
+            #
+            # p = subprocess.run(['curl', '--tlsv1.3', 'https://shouldneverexistreally'],
+            #                    stderr=subprocess.PIPE, stdout=subprocess.PIPE)
+            # return code 6 means the site could not be resolved, but the
+            # tls parameter was recognized
+            cls.CURL_SUPPORTS_TLS_1_3 = False
+        return cls.CURL_SUPPORTS_TLS_1_3
+
+
+    # current rustls supported ciphers in their order of preference
+    # used to test cipher selection, see test_06_ciphers.py
+    RUSTLS_CIPHERS = [
+        TlsCipher(0x1303, "TLS13_CHACHA20_POLY1305_SHA256", "CHACHA", 1.3),
+        TlsCipher(0x1302, "TLS13_AES_256_GCM_SHA384", "AES", 1.3),
+        TlsCipher(0x1301, "TLS13_AES_128_GCM_SHA256", "AES", 1.3),
+        TlsCipher(0xcca9, "TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256", "ECDSA", 1.2),
+        TlsCipher(0xcca8, "TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256", "RSA", 1.2),
+        TlsCipher(0xc02c, "TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384", "ECDSA", 1.2),
+        TlsCipher(0xc02b, "TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256", "ECDSA", 1.2),
+        TlsCipher(0xc030, "TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384", "RSA", 1.2),
+        TlsCipher(0xc02f, "TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256", "RSA", 1.2),
+    ]
+
+    def __init__(self, pytestconfig=None):
+        super().__init__(pytestconfig=pytestconfig)
+        self._domain_a = "a.mod-tls.test"
+        self._domain_b = "b.mod-tls.test"
+        self.add_httpd_conf([
+            f'<Directory "{self.server_dir}/htdocs/{self.domain_a}">',
+            '    AllowOverride None',
+            '    Require all granted',
+            '    AddHandler cgi-script .py',
+            '    Options +ExecCGI',
+            '</Directory>',
+            f'<Directory "{self.server_dir}/htdocs/{self.domain_b}">',
+            '    AllowOverride None',
+            '    Require all granted',
+            '    AddHandler cgi-script .py',
+            '    Options +ExecCGI',
+            '</Directory>',
+            f'<VirtualHost *:{self.http_port}>',
+            '    ServerName localhost',
+            '    DocumentRoot "htdocs"',
+            '</VirtualHost>',
+            f'<VirtualHost *:{self.http_port}>',
+            f'    ServerName {self.domain_a}',
+            '    DocumentRoot "htdocs/a.mod-tls.test"',
+            '</VirtualHost>',
+            f'<VirtualHost *:{self.http_port}>',
+            f'    ServerName {self.domain_b}',
+            '    DocumentRoot "htdocs/b.mod-tls.test"',
+            '</VirtualHost>',
+        ])
+        self.add_cert_specs([
+            CertificateSpec(domains=[self.domain_a]),
+            CertificateSpec(domains=[self.domain_b], key_type='secp256r1', single_file=True),
+            CertificateSpec(domains=[self.domain_b], key_type='rsa4096'),
+            CertificateSpec(name="clientsX", sub_specs=[
+                CertificateSpec(name="user1", client=True, single_file=True),
+                CertificateSpec(name="user2", client=True, single_file=True),
+                CertificateSpec(name="user_expired", client=True,
+                                single_file=True, valid_from=timedelta(days=-91),
+                                valid_to=timedelta(days=-1)),
+            ]),
+            CertificateSpec(name="clientsY", sub_specs=[
+                CertificateSpec(name="user1", client=True, single_file=True),
+            ]),
+            CertificateSpec(name="user1", client=True, single_file=True),
+        ])
+        self.add_httpd_log_modules(['tls'])
+
+
+    def setup_httpd(self, setup: TlsTestSetup = None):
+        if setup is None:
+            setup = TlsTestSetup(env=self)
+        super().setup_httpd(setup=setup)
+
+    @property
+    def domain_a(self) -> str:
+        return self._domain_a
+
+    @property
+    def domain_b(self) -> str:
+        return self._domain_b
+
+    def tls_get(self, domain, paths: Union[str, List[str]], options: List[str] = None) -> ExecResult:
+        if isinstance(paths, str):
+            paths = [paths]
+        urls = [f"https://{domain}:{self.https_port}{path}" for path in paths]
+        return self.curl_raw(urls=urls, options=options)
+
+    def tls_get_json(self, domain: str, path: str, options=None):
+        r = self.tls_get(domain=domain, paths=path, options=options)
+        return r.json
+
+    def run_diff(self, fleft: str, fright: str) -> ExecResult:
+        return self.run(['diff', '-u', fleft, fright])
+
+    def openssl(self, args: List[str]) -> ExecResult:
+        return self.run(['openssl'] + args)
+
+    def openssl_client(self, domain, extra_args: List[str] = None) -> ExecResult:
+        args = ["s_client", "-CAfile", self.ca.cert_file, "-servername", domain,
+                "-connect", "localhost:{port}".format(
+                    port=self.https_port
+                )]
+        if extra_args:
+            args.extend(extra_args)
+        args.extend([])
+        return self.openssl(args)
+
+    OPENSSL_SUPPORTED_PROTOCOLS = None
+
+    @staticmethod
+    def openssl_supports_tls_1_3() -> bool:
+        if TlsTestEnv.OPENSSL_SUPPORTED_PROTOCOLS is None:
+            env = TlsTestEnv()
+            r = env.openssl(args=["ciphers", "-v"])
+            protos = set()
+            ciphers = set()
+            for line in r.stdout.splitlines():
+                m = re.match(r'^(\S+)\s+(\S+)\s+(.*)$', line)
+                if m:
+                    ciphers.add(m.group(1))
+                    protos.add(m.group(2))
+            TlsTestEnv.OPENSSL_SUPPORTED_PROTOCOLS = protos
+            TlsTestEnv.OPENSSL_SUPPORTED_CIPHERS = ciphers
+        return "TLSv1.3" in TlsTestEnv.OPENSSL_SUPPORTED_PROTOCOLS