537 lines
20 KiB
Python
Executable file
537 lines
20 KiB
Python
Executable file
#!/usr/bin/env python3
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# generate_tls13_compat_tests.py
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#
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# Copyright The Mbed TLS Contributors
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# SPDX-License-Identifier: Apache-2.0
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""
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Generate TLSv1.3 Compat test cases
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"""
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import sys
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import os
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import abc
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import argparse
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import itertools
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from collections import namedtuple
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# define certificates configuration entry
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Certificate = namedtuple("Certificate", ['cafile', 'certfile', 'keyfile'])
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# define the certificate parameters for signature algorithms
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CERTIFICATES = {
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'ecdsa_secp256r1_sha256': Certificate('data_files/test-ca2.crt',
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'data_files/ecdsa_secp256r1.crt',
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'data_files/ecdsa_secp256r1.key'),
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'ecdsa_secp384r1_sha384': Certificate('data_files/test-ca2.crt',
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'data_files/ecdsa_secp384r1.crt',
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'data_files/ecdsa_secp384r1.key'),
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'ecdsa_secp521r1_sha512': Certificate('data_files/test-ca2.crt',
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'data_files/ecdsa_secp521r1.crt',
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'data_files/ecdsa_secp521r1.key'),
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'rsa_pss_rsae_sha256': Certificate('data_files/test-ca_cat12.crt',
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'data_files/server2-sha256.crt', 'data_files/server2.key'
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)
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}
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CIPHER_SUITE_IANA_VALUE = {
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"TLS_AES_128_GCM_SHA256": 0x1301,
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"TLS_AES_256_GCM_SHA384": 0x1302,
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"TLS_CHACHA20_POLY1305_SHA256": 0x1303,
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"TLS_AES_128_CCM_SHA256": 0x1304,
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"TLS_AES_128_CCM_8_SHA256": 0x1305
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}
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SIG_ALG_IANA_VALUE = {
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"ecdsa_secp256r1_sha256": 0x0403,
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"ecdsa_secp384r1_sha384": 0x0503,
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"ecdsa_secp521r1_sha512": 0x0603,
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'rsa_pss_rsae_sha256': 0x0804,
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}
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NAMED_GROUP_IANA_VALUE = {
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'secp256r1': 0x17,
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'secp384r1': 0x18,
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'secp521r1': 0x19,
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'x25519': 0x1d,
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'x448': 0x1e,
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}
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class TLSProgram(metaclass=abc.ABCMeta):
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"""
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Base class for generate server/client command.
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"""
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# pylint: disable=too-many-arguments
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def __init__(self, ciphersuite=None, signature_algorithm=None, named_group=None,
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cert_sig_alg=None, compat_mode=True):
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self._ciphers = []
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self._sig_algs = []
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self._named_groups = []
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self._cert_sig_algs = []
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if ciphersuite:
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self.add_ciphersuites(ciphersuite)
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if named_group:
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self.add_named_groups(named_group)
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if signature_algorithm:
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self.add_signature_algorithms(signature_algorithm)
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if cert_sig_alg:
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self.add_cert_signature_algorithms(cert_sig_alg)
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self._compat_mode = compat_mode
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# add_ciphersuites should not override by sub class
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def add_ciphersuites(self, *ciphersuites):
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self._ciphers.extend(
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[cipher for cipher in ciphersuites if cipher not in self._ciphers])
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# add_signature_algorithms should not override by sub class
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def add_signature_algorithms(self, *signature_algorithms):
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self._sig_algs.extend(
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[sig_alg for sig_alg in signature_algorithms if sig_alg not in self._sig_algs])
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# add_named_groups should not override by sub class
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def add_named_groups(self, *named_groups):
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self._named_groups.extend(
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[named_group for named_group in named_groups if named_group not in self._named_groups])
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# add_cert_signature_algorithms should not override by sub class
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def add_cert_signature_algorithms(self, *signature_algorithms):
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self._cert_sig_algs.extend(
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[sig_alg for sig_alg in signature_algorithms if sig_alg not in self._cert_sig_algs])
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@abc.abstractmethod
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def pre_checks(self):
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return []
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@abc.abstractmethod
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def cmd(self):
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if not self._cert_sig_algs:
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self._cert_sig_algs = list(CERTIFICATES.keys())
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@abc.abstractmethod
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def post_checks(self):
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return []
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class OpenSSLServ(TLSProgram):
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"""
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Generate test commands for OpenSSL server.
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"""
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NAMED_GROUP = {
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'secp256r1': 'P-256',
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'secp384r1': 'P-384',
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'secp521r1': 'P-521',
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'x25519': 'X25519',
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'x448': 'X448',
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}
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def cmd(self):
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super().cmd()
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ret = ['$O_NEXT_SRV_NO_CERT']
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for _, cert, key in map(lambda sig_alg: CERTIFICATES[sig_alg], self._cert_sig_algs):
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ret += ['-cert {cert} -key {key}'.format(cert=cert, key=key)]
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ret += ['-accept $SRV_PORT']
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if self._ciphers:
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ciphersuites = ':'.join(self._ciphers)
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ret += ["-ciphersuites {ciphersuites}".format(ciphersuites=ciphersuites)]
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if self._sig_algs:
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signature_algorithms = set(self._sig_algs + self._cert_sig_algs)
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signature_algorithms = ':'.join(signature_algorithms)
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ret += ["-sigalgs {signature_algorithms}".format(
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signature_algorithms=signature_algorithms)]
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if self._named_groups:
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named_groups = ':'.join(
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map(lambda named_group: self.NAMED_GROUP[named_group], self._named_groups))
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ret += ["-groups {named_groups}".format(named_groups=named_groups)]
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ret += ['-msg -tls1_3 -num_tickets 0 -no_resume_ephemeral -no_cache']
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if not self._compat_mode:
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ret += ['-no_middlebox']
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return ' '.join(ret)
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def pre_checks(self):
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return ["requires_openssl_tls1_3"]
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def post_checks(self):
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return ['-c "HTTP/1.0 200 ok"']
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class GnuTLSServ(TLSProgram):
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"""
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Generate test commands for GnuTLS server.
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"""
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CIPHER_SUITE = {
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'TLS_AES_256_GCM_SHA384': [
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'AES-256-GCM',
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'SHA384',
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'AEAD'],
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'TLS_AES_128_GCM_SHA256': [
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'AES-128-GCM',
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'SHA256',
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'AEAD'],
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'TLS_CHACHA20_POLY1305_SHA256': [
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'CHACHA20-POLY1305',
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'SHA256',
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'AEAD'],
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'TLS_AES_128_CCM_SHA256': [
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'AES-128-CCM',
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'SHA256',
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'AEAD'],
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'TLS_AES_128_CCM_8_SHA256': [
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'AES-128-CCM-8',
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'SHA256',
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'AEAD']}
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SIGNATURE_ALGORITHM = {
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'ecdsa_secp256r1_sha256': ['SIGN-ECDSA-SECP256R1-SHA256'],
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'ecdsa_secp521r1_sha512': ['SIGN-ECDSA-SECP521R1-SHA512'],
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'ecdsa_secp384r1_sha384': ['SIGN-ECDSA-SECP384R1-SHA384'],
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'rsa_pss_rsae_sha256': ['SIGN-RSA-PSS-RSAE-SHA256']}
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NAMED_GROUP = {
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'secp256r1': ['GROUP-SECP256R1'],
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'secp384r1': ['GROUP-SECP384R1'],
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'secp521r1': ['GROUP-SECP521R1'],
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'x25519': ['GROUP-X25519'],
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'x448': ['GROUP-X448'],
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}
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def pre_checks(self):
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return ["requires_gnutls_tls1_3",
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"requires_gnutls_next_no_ticket",
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"requires_gnutls_next_disable_tls13_compat", ]
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def post_checks(self):
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return ['-c "HTTP/1.0 200 OK"']
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def cmd(self):
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super().cmd()
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ret = ['$G_NEXT_SRV_NO_CERT', '--http',
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'--disable-client-cert', '--debug=4']
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for _, cert, key in map(lambda sig_alg: CERTIFICATES[sig_alg], self._cert_sig_algs):
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ret += ['--x509certfile {cert} --x509keyfile {key}'.format(
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cert=cert, key=key)]
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priority_string_list = []
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def update_priority_string_list(items, map_table):
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for item in items:
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for i in map_table[item]:
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if i not in priority_string_list:
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yield i
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if self._ciphers:
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priority_string_list.extend(update_priority_string_list(
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self._ciphers, self.CIPHER_SUITE))
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else:
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priority_string_list.extend(['CIPHER-ALL', 'MAC-ALL'])
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if self._sig_algs:
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signature_algorithms = set(self._sig_algs + self._cert_sig_algs)
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priority_string_list.extend(update_priority_string_list(
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signature_algorithms, self.SIGNATURE_ALGORITHM))
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else:
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priority_string_list.append('SIGN-ALL')
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if self._named_groups:
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priority_string_list.extend(update_priority_string_list(
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self._named_groups, self.NAMED_GROUP))
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else:
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priority_string_list.append('GROUP-ALL')
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priority_string_list = ['NONE'] + \
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sorted(priority_string_list) + ['VERS-TLS1.3']
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priority_string = ':+'.join(priority_string_list)
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priority_string += ':%NO_TICKETS'
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if not self._compat_mode:
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priority_string += [':%DISABLE_TLS13_COMPAT_MODE']
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ret += ['--priority={priority_string}'.format(
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priority_string=priority_string)]
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ret = ' '.join(ret)
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return ret
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class MbedTLSCli(TLSProgram):
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"""
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Generate test commands for mbedTLS client.
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"""
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CIPHER_SUITE = {
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'TLS_AES_256_GCM_SHA384': 'TLS1-3-AES-256-GCM-SHA384',
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'TLS_AES_128_GCM_SHA256': 'TLS1-3-AES-128-GCM-SHA256',
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'TLS_CHACHA20_POLY1305_SHA256': 'TLS1-3-CHACHA20-POLY1305-SHA256',
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'TLS_AES_128_CCM_SHA256': 'TLS1-3-AES-128-CCM-SHA256',
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'TLS_AES_128_CCM_8_SHA256': 'TLS1-3-AES-128-CCM-8-SHA256'}
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def cmd(self):
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super().cmd()
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ret = ['$P_CLI']
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ret += ['server_addr=127.0.0.1', 'server_port=$SRV_PORT',
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'debug_level=4']
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ret += ['ca_file={cafile}'.format(
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cafile=CERTIFICATES[self._cert_sig_algs[0]].cafile)]
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if self._ciphers:
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ciphers = ','.join(
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map(lambda cipher: self.CIPHER_SUITE[cipher], self._ciphers))
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ret += ["force_ciphersuite={ciphers}".format(ciphers=ciphers)]
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if self._sig_algs + self._cert_sig_algs:
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ret += ['sig_algs={sig_algs}'.format(
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sig_algs=','.join(set(self._sig_algs + self._cert_sig_algs)))]
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if self._named_groups:
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named_groups = ','.join(self._named_groups)
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ret += ["curves={named_groups}".format(named_groups=named_groups)]
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ret = ' '.join(ret)
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return ret
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def pre_checks(self):
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ret = ['requires_config_enabled MBEDTLS_DEBUG_C',
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'requires_config_enabled MBEDTLS_SSL_CLI_C',
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'requires_config_enabled MBEDTLS_SSL_PROTO_TLS1_3']
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if self._compat_mode:
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ret += ['requires_config_enabled MBEDTLS_SSL_TLS1_3_COMPATIBILITY_MODE']
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if 'rsa_pss_rsae_sha256' in self._sig_algs + self._cert_sig_algs:
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ret.append(
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'requires_config_enabled MBEDTLS_X509_RSASSA_PSS_SUPPORT')
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return ret
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def post_checks(self):
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check_strings = ["Protocol is TLSv1.3"]
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if self._ciphers:
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check_strings.append(
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"server hello, chosen ciphersuite: ( {:04x} ) - {}".format(
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CIPHER_SUITE_IANA_VALUE[self._ciphers[0]],
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self.CIPHER_SUITE[self._ciphers[0]]))
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if self._sig_algs:
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check_strings.append(
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"Certificate Verify: Signature algorithm ( {:04x} )".format(
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SIG_ALG_IANA_VALUE[self._sig_algs[0]]))
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for named_group in self._named_groups:
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check_strings += ['NamedGroup: {named_group} ( {iana_value:x} )'.format(
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named_group=named_group,
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iana_value=NAMED_GROUP_IANA_VALUE[named_group])]
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check_strings.append("Verifying peer X.509 certificate... ok")
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return ['-c "{}"'.format(i) for i in check_strings]
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SERVER_CLASSES = {'OpenSSL': OpenSSLServ, 'GnuTLS': GnuTLSServ}
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CLIENT_CLASSES = {'mbedTLS': MbedTLSCli}
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def generate_compat_test(client=None, server=None, cipher=None, named_group=None, sig_alg=None):
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"""
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Generate test case with `ssl-opt.sh` format.
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"""
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name = 'TLS 1.3 {client[0]}->{server[0]}: {cipher},{named_group},{sig_alg}'.format(
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client=client, server=server, cipher=cipher[4:], sig_alg=sig_alg, named_group=named_group)
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server_object = SERVER_CLASSES[server](ciphersuite=cipher,
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named_group=named_group,
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signature_algorithm=sig_alg,
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cert_sig_alg=sig_alg)
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client_object = CLIENT_CLASSES[client](ciphersuite=cipher,
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named_group=named_group,
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signature_algorithm=sig_alg,
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cert_sig_alg=sig_alg)
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cmd = ['run_test "{}"'.format(name), '"{}"'.format(
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server_object.cmd()), '"{}"'.format(client_object.cmd()), '0']
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cmd += server_object.post_checks()
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cmd += client_object.post_checks()
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cmd += ['-C "received HelloRetryRequest message"']
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prefix = ' \\\n' + (' '*9)
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cmd = prefix.join(cmd)
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return '\n'.join(server_object.pre_checks() + client_object.pre_checks() + [cmd])
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def generate_hrr_compat_test(client=None, server=None,
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client_named_group=None, server_named_group=None,
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cert_sig_alg=None):
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"""
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Generate Hello Retry Request test case with `ssl-opt.sh` format.
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"""
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name = 'TLS 1.3 {client[0]}->{server[0]}: HRR {c_named_group} -> {s_named_group}'.format(
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client=client, server=server, c_named_group=client_named_group,
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s_named_group=server_named_group)
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server_object = SERVER_CLASSES[server](named_group=server_named_group,
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cert_sig_alg=cert_sig_alg)
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client_object = CLIENT_CLASSES[client](named_group=client_named_group,
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cert_sig_alg=cert_sig_alg)
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client_object.add_named_groups(server_named_group)
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cmd = ['run_test "{}"'.format(name), '"{}"'.format(
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server_object.cmd()), '"{}"'.format(client_object.cmd()), '0']
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cmd += server_object.post_checks()
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cmd += client_object.post_checks()
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cmd += ['-c "received HelloRetryRequest message"']
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cmd += ['-c "selected_group ( {:d} )"'.format(
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NAMED_GROUP_IANA_VALUE[server_named_group])]
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prefix = ' \\\n' + (' '*9)
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cmd = prefix.join(cmd)
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return '\n'.join(server_object.pre_checks() +
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client_object.pre_checks() +
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[cmd])
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SSL_OUTPUT_HEADER = '''#!/bin/sh
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# {filename}
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#
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# Copyright The Mbed TLS Contributors
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# SPDX-License-Identifier: Apache-2.0
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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# Purpose
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#
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# List TLS1.3 compat test cases. They are generated by
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# `{cmd}`.
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#
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# PLEASE DO NOT EDIT THIS FILE. IF NEEDED, PLEASE MODIFY `generate_tls13_compat_tests.py`
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# AND REGENERATE THIS FILE.
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#
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'''
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def main():
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"""
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Main function of this program
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"""
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parser = argparse.ArgumentParser()
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parser.add_argument('-o', '--output', nargs='?',
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default=None, help='Output file path if `-a` was set')
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parser.add_argument('-a', '--generate-all-tls13-compat-tests', action='store_true',
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default=False, help='Generate all available tls13 compat tests')
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parser.add_argument('--list-ciphers', action='store_true',
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default=False, help='List supported ciphersuites')
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parser.add_argument('--list-sig-algs', action='store_true',
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default=False, help='List supported signature algorithms')
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parser.add_argument('--list-named-groups', action='store_true',
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default=False, help='List supported named groups')
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parser.add_argument('--list-servers', action='store_true',
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default=False, help='List supported TLS servers')
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parser.add_argument('--list-clients', action='store_true',
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default=False, help='List supported TLS Clients')
|
|
|
|
parser.add_argument('server', choices=SERVER_CLASSES.keys(), nargs='?',
|
|
default=list(SERVER_CLASSES.keys())[0],
|
|
help='Choose TLS server program for test')
|
|
parser.add_argument('client', choices=CLIENT_CLASSES.keys(), nargs='?',
|
|
default=list(CLIENT_CLASSES.keys())[0],
|
|
help='Choose TLS client program for test')
|
|
parser.add_argument('cipher', choices=CIPHER_SUITE_IANA_VALUE.keys(), nargs='?',
|
|
default=list(CIPHER_SUITE_IANA_VALUE.keys())[0],
|
|
help='Choose cipher suite for test')
|
|
parser.add_argument('sig_alg', choices=SIG_ALG_IANA_VALUE.keys(), nargs='?',
|
|
default=list(SIG_ALG_IANA_VALUE.keys())[0],
|
|
help='Choose cipher suite for test')
|
|
parser.add_argument('named_group', choices=NAMED_GROUP_IANA_VALUE.keys(), nargs='?',
|
|
default=list(NAMED_GROUP_IANA_VALUE.keys())[0],
|
|
help='Choose cipher suite for test')
|
|
|
|
args = parser.parse_args()
|
|
|
|
def get_all_test_cases():
|
|
# Generate normal compat test cases
|
|
for client, server, cipher, named_group, sig_alg in \
|
|
itertools.product(CLIENT_CLASSES.keys(),
|
|
SERVER_CLASSES.keys(),
|
|
CIPHER_SUITE_IANA_VALUE.keys(),
|
|
NAMED_GROUP_IANA_VALUE.keys(),
|
|
SIG_ALG_IANA_VALUE.keys()):
|
|
yield generate_compat_test(client=client, server=server,
|
|
cipher=cipher, named_group=named_group,
|
|
sig_alg=sig_alg)
|
|
|
|
# Generate Hello Retry Request compat test cases
|
|
for client, server, client_named_group, server_named_group in \
|
|
itertools.product(CLIENT_CLASSES.keys(),
|
|
SERVER_CLASSES.keys(),
|
|
NAMED_GROUP_IANA_VALUE.keys(),
|
|
NAMED_GROUP_IANA_VALUE.keys()):
|
|
if client_named_group != server_named_group:
|
|
yield generate_hrr_compat_test(client=client, server=server,
|
|
client_named_group=client_named_group,
|
|
server_named_group=server_named_group,
|
|
cert_sig_alg="ecdsa_secp256r1_sha256")
|
|
|
|
if args.generate_all_tls13_compat_tests:
|
|
if args.output:
|
|
with open(args.output, 'w', encoding="utf-8") as f:
|
|
f.write(SSL_OUTPUT_HEADER.format(
|
|
filename=os.path.basename(args.output), cmd=' '.join(sys.argv)))
|
|
f.write('\n\n'.join(get_all_test_cases()))
|
|
f.write('\n')
|
|
else:
|
|
print('\n\n'.join(get_all_test_cases()))
|
|
return 0
|
|
|
|
if args.list_ciphers or args.list_sig_algs or args.list_named_groups \
|
|
or args.list_servers or args.list_clients:
|
|
if args.list_ciphers:
|
|
print(*CIPHER_SUITE_IANA_VALUE.keys())
|
|
if args.list_sig_algs:
|
|
print(*SIG_ALG_IANA_VALUE.keys())
|
|
if args.list_named_groups:
|
|
print(*NAMED_GROUP_IANA_VALUE.keys())
|
|
if args.list_servers:
|
|
print(*SERVER_CLASSES.keys())
|
|
if args.list_clients:
|
|
print(*CLIENT_CLASSES.keys())
|
|
return 0
|
|
|
|
print(generate_compat_test(server=args.server, client=args.client, sig_alg=args.sig_alg,
|
|
cipher=args.cipher, named_group=args.named_group))
|
|
return 0
|
|
|
|
|
|
if __name__ == "__main__":
|
|
sys.exit(main())
|