blob: 8b28590b8742232689568b19b7f44151b5975f2e [file] [log] [blame]
#!/usr/bin/env python3
# generate_tls13_compat_tests.py
#
# Copyright The Mbed TLS Contributors
# SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
"""
Generate TLSv1.3 Compat test cases
"""
import sys
import os
import argparse
import itertools
from collections import namedtuple
# define certificates configuration entry
Certificate = namedtuple("Certificate", ['cafile', 'certfile', 'keyfile'])
# define the certificate parameters for signature algorithms
CERTIFICATES = {
'ecdsa_secp256r1_sha256': Certificate('data_files/test-ca2.crt',
'data_files/ecdsa_secp256r1.crt',
'data_files/ecdsa_secp256r1.key'),
'ecdsa_secp384r1_sha384': Certificate('data_files/test-ca2.crt',
'data_files/ecdsa_secp384r1.crt',
'data_files/ecdsa_secp384r1.key'),
'ecdsa_secp521r1_sha512': Certificate('data_files/test-ca2.crt',
'data_files/ecdsa_secp521r1.crt',
'data_files/ecdsa_secp521r1.key'),
'rsa_pss_rsae_sha256': Certificate('data_files/test-ca_cat12.crt',
'data_files/server2-sha256.crt', 'data_files/server2.key'
)
}
CIPHER_SUITE_IANA_VALUE = {
"TLS_AES_128_GCM_SHA256": 0x1301,
"TLS_AES_256_GCM_SHA384": 0x1302,
"TLS_CHACHA20_POLY1305_SHA256": 0x1303,
"TLS_AES_128_CCM_SHA256": 0x1304,
"TLS_AES_128_CCM_8_SHA256": 0x1305
}
SIG_ALG_IANA_VALUE = {
"ecdsa_secp256r1_sha256": 0x0403,
"ecdsa_secp384r1_sha384": 0x0503,
"ecdsa_secp521r1_sha512": 0x0603,
'rsa_pss_rsae_sha256': 0x0804,
}
NAMED_GROUP_IANA_VALUE = {
'secp256r1': 0x17,
'secp384r1': 0x18,
'secp521r1': 0x19,
'x25519': 0x1d,
'x448': 0x1e,
# Only one finite field group to keep testing time within reasonable bounds.
'ffdhe2048': 0x100,
}
class TLSProgram:
"""
Base class for generate server/client command.
"""
# pylint: disable=too-many-arguments
def __init__(self, ciphersuite=None, signature_algorithm=None, named_group=None,
cert_sig_alg=None, compat_mode=True):
self._ciphers = []
self._sig_algs = []
self._named_groups = []
self._cert_sig_algs = []
if ciphersuite:
self.add_ciphersuites(ciphersuite)
if named_group:
self.add_named_groups(named_group)
if signature_algorithm:
self.add_signature_algorithms(signature_algorithm)
if cert_sig_alg:
self.add_cert_signature_algorithms(cert_sig_alg)
self._compat_mode = compat_mode
# add_ciphersuites should not override by sub class
def add_ciphersuites(self, *ciphersuites):
self._ciphers.extend(
[cipher for cipher in ciphersuites if cipher not in self._ciphers])
# add_signature_algorithms should not override by sub class
def add_signature_algorithms(self, *signature_algorithms):
self._sig_algs.extend(
[sig_alg for sig_alg in signature_algorithms if sig_alg not in self._sig_algs])
# add_named_groups should not override by sub class
def add_named_groups(self, *named_groups):
self._named_groups.extend(
[named_group for named_group in named_groups if named_group not in self._named_groups])
# add_cert_signature_algorithms should not override by sub class
def add_cert_signature_algorithms(self, *signature_algorithms):
self._cert_sig_algs.extend(
[sig_alg for sig_alg in signature_algorithms if sig_alg not in self._cert_sig_algs])
# pylint: disable=no-self-use
def pre_checks(self):
return []
# pylint: disable=no-self-use
def cmd(self):
if not self._cert_sig_algs:
self._cert_sig_algs = list(CERTIFICATES.keys())
return self.pre_cmd()
# pylint: disable=no-self-use
def post_checks(self):
return []
# pylint: disable=no-self-use
def pre_cmd(self):
return ['false']
# pylint: disable=unused-argument,no-self-use
def hrr_post_checks(self, named_group):
return []
class OpenSSLBase(TLSProgram):
"""
Generate base test commands for OpenSSL.
"""
NAMED_GROUP = {
'secp256r1': 'P-256',
'secp384r1': 'P-384',
'secp521r1': 'P-521',
'x25519': 'X25519',
'x448': 'X448',
'ffdhe2048': 'ffdhe2048',
}
def cmd(self):
ret = super().cmd()
if self._ciphers:
ciphersuites = ':'.join(self._ciphers)
ret += ["-ciphersuites {ciphersuites}".format(ciphersuites=ciphersuites)]
if self._sig_algs:
signature_algorithms = set(self._sig_algs + self._cert_sig_algs)
signature_algorithms = ':'.join(signature_algorithms)
ret += ["-sigalgs {signature_algorithms}".format(
signature_algorithms=signature_algorithms)]
if self._named_groups:
named_groups = ':'.join(
map(lambda named_group: self.NAMED_GROUP[named_group], self._named_groups))
ret += ["-groups {named_groups}".format(named_groups=named_groups)]
ret += ['-msg -tls1_3']
if not self._compat_mode:
ret += ['-no_middlebox']
return ret
def pre_checks(self):
ret = ["requires_openssl_tls1_3"]
# ffdh groups require at least openssl 3.0
ffdh_groups = ['ffdhe2048']
if any(x in ffdh_groups for x in self._named_groups):
ret = ["requires_openssl_tls1_3_with_ffdh"]
return ret
class OpenSSLServ(OpenSSLBase):
"""
Generate test commands for OpenSSL server.
"""
def cmd(self):
ret = super().cmd()
ret += ['-num_tickets 0 -no_resume_ephemeral -no_cache']
return ret
def post_checks(self):
return ['-c "HTTP/1.0 200 ok"']
def pre_cmd(self):
ret = ['$O_NEXT_SRV_NO_CERT']
for _, cert, key in map(lambda sig_alg: CERTIFICATES[sig_alg], self._cert_sig_algs):
ret += ['-cert {cert} -key {key}'.format(cert=cert, key=key)]
return ret
class OpenSSLCli(OpenSSLBase):
"""
Generate test commands for OpenSSL client.
"""
def pre_cmd(self):
return ['$O_NEXT_CLI_NO_CERT',
'-CAfile {cafile}'.format(cafile=CERTIFICATES[self._cert_sig_algs[0]].cafile)]
class GnuTLSBase(TLSProgram):
"""
Generate base test commands for GnuTLS.
"""
CIPHER_SUITE = {
'TLS_AES_256_GCM_SHA384': [
'AES-256-GCM',
'SHA384',
'AEAD'],
'TLS_AES_128_GCM_SHA256': [
'AES-128-GCM',
'SHA256',
'AEAD'],
'TLS_CHACHA20_POLY1305_SHA256': [
'CHACHA20-POLY1305',
'SHA256',
'AEAD'],
'TLS_AES_128_CCM_SHA256': [
'AES-128-CCM',
'SHA256',
'AEAD'],
'TLS_AES_128_CCM_8_SHA256': [
'AES-128-CCM-8',
'SHA256',
'AEAD']}
SIGNATURE_ALGORITHM = {
'ecdsa_secp256r1_sha256': ['SIGN-ECDSA-SECP256R1-SHA256'],
'ecdsa_secp521r1_sha512': ['SIGN-ECDSA-SECP521R1-SHA512'],
'ecdsa_secp384r1_sha384': ['SIGN-ECDSA-SECP384R1-SHA384'],
'rsa_pss_rsae_sha256': ['SIGN-RSA-PSS-RSAE-SHA256']}
NAMED_GROUP = {
'secp256r1': ['GROUP-SECP256R1'],
'secp384r1': ['GROUP-SECP384R1'],
'secp521r1': ['GROUP-SECP521R1'],
'x25519': ['GROUP-X25519'],
'x448': ['GROUP-X448'],
'ffdhe2048': ['GROUP-FFDHE2048'],
}
def pre_checks(self):
return ["requires_gnutls_tls1_3",
"requires_gnutls_next_no_ticket",
"requires_gnutls_next_disable_tls13_compat", ]
def cmd(self):
ret = super().cmd()
priority_string_list = []
def update_priority_string_list(items, map_table):
for item in items:
for i in map_table[item]:
if i not in priority_string_list:
yield i
if self._ciphers:
priority_string_list.extend(update_priority_string_list(
self._ciphers, self.CIPHER_SUITE))
else:
priority_string_list.extend(['CIPHER-ALL', 'MAC-ALL'])
if self._sig_algs:
signature_algorithms = set(self._sig_algs + self._cert_sig_algs)
priority_string_list.extend(update_priority_string_list(
signature_algorithms, self.SIGNATURE_ALGORITHM))
else:
priority_string_list.append('SIGN-ALL')
if self._named_groups:
priority_string_list.extend(update_priority_string_list(
self._named_groups, self.NAMED_GROUP))
else:
priority_string_list.append('GROUP-ALL')
priority_string_list = ['NONE'] + \
priority_string_list + ['VERS-TLS1.3']
priority_string = ':+'.join(priority_string_list)
priority_string += ':%NO_TICKETS'
if not self._compat_mode:
priority_string += [':%DISABLE_TLS13_COMPAT_MODE']
ret += ['--priority={priority_string}'.format(
priority_string=priority_string)]
return ret
class GnuTLSServ(GnuTLSBase):
"""
Generate test commands for GnuTLS server.
"""
def pre_cmd(self):
ret = ['$G_NEXT_SRV_NO_CERT', '--http', '--disable-client-cert', '--debug=4']
for _, cert, key in map(lambda sig_alg: CERTIFICATES[sig_alg], self._cert_sig_algs):
ret += ['--x509certfile {cert} --x509keyfile {key}'.format(
cert=cert, key=key)]
return ret
def post_checks(self):
return ['-c "HTTP/1.0 200 OK"']
class GnuTLSCli(GnuTLSBase):
"""
Generate test commands for GnuTLS client.
"""
def pre_cmd(self):
return ['$G_NEXT_CLI_NO_CERT', '--debug=4', '--single-key-share',
'--x509cafile {cafile}'.format(cafile=CERTIFICATES[self._cert_sig_algs[0]].cafile)]
class MbedTLSBase(TLSProgram):
"""
Generate base test commands for mbedTLS.
"""
CIPHER_SUITE = {
'TLS_AES_256_GCM_SHA384': 'TLS1-3-AES-256-GCM-SHA384',
'TLS_AES_128_GCM_SHA256': 'TLS1-3-AES-128-GCM-SHA256',
'TLS_CHACHA20_POLY1305_SHA256': 'TLS1-3-CHACHA20-POLY1305-SHA256',
'TLS_AES_128_CCM_SHA256': 'TLS1-3-AES-128-CCM-SHA256',
'TLS_AES_128_CCM_8_SHA256': 'TLS1-3-AES-128-CCM-8-SHA256'}
def cmd(self):
ret = super().cmd()
ret += ['debug_level=4']
if self._ciphers:
ciphers = ','.join(
map(lambda cipher: self.CIPHER_SUITE[cipher], self._ciphers))
ret += ["force_ciphersuite={ciphers}".format(ciphers=ciphers)]
if self._sig_algs + self._cert_sig_algs:
ret += ['sig_algs={sig_algs}'.format(
sig_algs=','.join(set(self._sig_algs + self._cert_sig_algs)))]
if self._named_groups:
named_groups = ','.join(self._named_groups)
ret += ["groups={named_groups}".format(named_groups=named_groups)]
return ret
#pylint: disable=missing-function-docstring
def add_ffdh_group_requirements(self, requirement_list):
if 'ffdhe2048' in self._named_groups:
requirement_list.append('requires_config_enabled PSA_WANT_DH_RFC7919_2048')
if 'ffdhe3072' in self._named_groups:
requirement_list.append('requires_config_enabled PSA_WANT_DH_RFC7919_2048')
if 'ffdhe4096' in self._named_groups:
requirement_list.append('requires_config_enabled PSA_WANT_DH_RFC7919_2048')
if 'ffdhe6144' in self._named_groups:
requirement_list.append('requires_config_enabled PSA_WANT_DH_RFC7919_2048')
if 'ffdhe8192' in self._named_groups:
requirement_list.append('requires_config_enabled PSA_WANT_DH_RFC7919_2048')
def pre_checks(self):
ret = ['requires_config_enabled MBEDTLS_DEBUG_C',
'requires_config_enabled MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_EPHEMERAL_ENABLED']
if self._compat_mode:
ret += ['requires_config_enabled MBEDTLS_SSL_TLS1_3_COMPATIBILITY_MODE']
if 'rsa_pss_rsae_sha256' in self._sig_algs + self._cert_sig_algs:
ret.append(
'requires_config_enabled MBEDTLS_X509_RSASSA_PSS_SUPPORT')
ec_groups = ['secp256r1', 'secp384r1', 'secp521r1', 'x25519', 'x448']
ffdh_groups = ['ffdhe2048', 'ffdhe3072', 'ffdhe4096', 'ffdhe6144', 'ffdhe8192']
if any(x in ec_groups for x in self._named_groups):
ret.append('requires_config_enabled PSA_WANT_ALG_ECDH')
if any(x in ffdh_groups for x in self._named_groups):
ret.append('requires_config_enabled PSA_WANT_ALG_FFDH')
self.add_ffdh_group_requirements(ret)
return ret
class MbedTLSServ(MbedTLSBase):
"""
Generate test commands for mbedTLS server.
"""
def cmd(self):
ret = super().cmd()
ret += ['tls13_kex_modes=ephemeral cookies=0 tickets=0']
return ret
def pre_checks(self):
return ['requires_config_enabled MBEDTLS_SSL_SRV_C'] + super().pre_checks()
def post_checks(self):
check_strings = ["Protocol is TLSv1.3"]
if self._ciphers:
check_strings.append(
"server hello, chosen ciphersuite: {} ( id={:04d} )".format(
self.CIPHER_SUITE[self._ciphers[0]],
CIPHER_SUITE_IANA_VALUE[self._ciphers[0]]))
if self._sig_algs:
check_strings.append(
"received signature algorithm: 0x{:x}".format(
SIG_ALG_IANA_VALUE[self._sig_algs[0]]))
for named_group in self._named_groups:
check_strings += ['got named group: {named_group}({iana_value:04x})'.format(
named_group=named_group,
iana_value=NAMED_GROUP_IANA_VALUE[named_group])]
check_strings.append("Certificate verification was skipped")
return ['-s "{}"'.format(i) for i in check_strings]
def pre_cmd(self):
ret = ['$P_SRV']
for _, cert, key in map(lambda sig_alg: CERTIFICATES[sig_alg], self._cert_sig_algs):
ret += ['crt_file={cert} key_file={key}'.format(cert=cert, key=key)]
return ret
def hrr_post_checks(self, named_group):
return ['-s "HRR selected_group: {:s}"'.format(named_group)]
class MbedTLSCli(MbedTLSBase):
"""
Generate test commands for mbedTLS client.
"""
def pre_cmd(self):
return ['$P_CLI',
'ca_file={cafile}'.format(cafile=CERTIFICATES[self._cert_sig_algs[0]].cafile)]
def pre_checks(self):
return ['requires_config_enabled MBEDTLS_SSL_CLI_C'] + super().pre_checks()
def hrr_post_checks(self, named_group):
ret = ['-c "received HelloRetryRequest message"']
ret += ['-c "selected_group ( {:d} )"'.format(NAMED_GROUP_IANA_VALUE[named_group])]
return ret
def post_checks(self):
check_strings = ["Protocol is TLSv1.3"]
if self._ciphers:
check_strings.append(
"server hello, chosen ciphersuite: ( {:04x} ) - {}".format(
CIPHER_SUITE_IANA_VALUE[self._ciphers[0]],
self.CIPHER_SUITE[self._ciphers[0]]))
if self._sig_algs:
check_strings.append(
"Certificate Verify: Signature algorithm ( {:04x} )".format(
SIG_ALG_IANA_VALUE[self._sig_algs[0]]))
for named_group in self._named_groups:
check_strings += ['NamedGroup: {named_group} ( {iana_value:x} )'.format(
named_group=named_group,
iana_value=NAMED_GROUP_IANA_VALUE[named_group])]
check_strings.append("Verifying peer X.509 certificate... ok")
return ['-c "{}"'.format(i) for i in check_strings]
SERVER_CLASSES = {'OpenSSL': OpenSSLServ, 'GnuTLS': GnuTLSServ, 'mbedTLS': MbedTLSServ}
CLIENT_CLASSES = {'OpenSSL': OpenSSLCli, 'GnuTLS': GnuTLSCli, 'mbedTLS': MbedTLSCli}
def generate_compat_test(client=None, server=None, cipher=None, named_group=None, sig_alg=None):
"""
Generate test case with `ssl-opt.sh` format.
"""
name = 'TLS 1.3 {client[0]}->{server[0]}: {cipher},{named_group},{sig_alg}'.format(
client=client, server=server, cipher=cipher[4:], sig_alg=sig_alg, named_group=named_group)
server_object = SERVER_CLASSES[server](ciphersuite=cipher,
named_group=named_group,
signature_algorithm=sig_alg,
cert_sig_alg=sig_alg)
client_object = CLIENT_CLASSES[client](ciphersuite=cipher,
named_group=named_group,
signature_algorithm=sig_alg,
cert_sig_alg=sig_alg)
cmd = ['run_test "{}"'.format(name),
'"{}"'.format(' '.join(server_object.cmd())),
'"{}"'.format(' '.join(client_object.cmd())),
'0']
cmd += server_object.post_checks()
cmd += client_object.post_checks()
cmd += ['-C "received HelloRetryRequest message"']
prefix = ' \\\n' + (' '*9)
cmd = prefix.join(cmd)
return '\n'.join(server_object.pre_checks() + client_object.pre_checks() + [cmd])
def generate_hrr_compat_test(client=None, server=None,
client_named_group=None, server_named_group=None,
cert_sig_alg=None):
"""
Generate Hello Retry Request test case with `ssl-opt.sh` format.
"""
name = 'TLS 1.3 {client[0]}->{server[0]}: HRR {c_named_group} -> {s_named_group}'.format(
client=client, server=server, c_named_group=client_named_group,
s_named_group=server_named_group)
server_object = SERVER_CLASSES[server](named_group=server_named_group,
cert_sig_alg=cert_sig_alg)
client_object = CLIENT_CLASSES[client](named_group=client_named_group,
cert_sig_alg=cert_sig_alg)
client_object.add_named_groups(server_named_group)
cmd = ['run_test "{}"'.format(name),
'"{}"'.format(' '.join(server_object.cmd())),
'"{}"'.format(' '.join(client_object.cmd())),
'0']
cmd += server_object.post_checks()
cmd += client_object.post_checks()
cmd += server_object.hrr_post_checks(server_named_group)
cmd += client_object.hrr_post_checks(server_named_group)
prefix = ' \\\n' + (' '*9)
cmd = prefix.join(cmd)
return '\n'.join(server_object.pre_checks() +
client_object.pre_checks() +
[cmd])
SSL_OUTPUT_HEADER = '''#!/bin/sh
# {filename}
#
# Copyright The Mbed TLS Contributors
# SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
#
# Purpose
#
# List TLS1.3 compat test cases. They are generated by
# `{cmd}`.
#
# PLEASE DO NOT EDIT THIS FILE. IF NEEDED, PLEASE MODIFY `generate_tls13_compat_tests.py`
# AND REGENERATE THIS FILE.
#
'''
def main():
"""
Main function of this program
"""
parser = argparse.ArgumentParser()
parser.add_argument('-o', '--output', nargs='?',
default=None, help='Output file path if `-a` was set')
parser.add_argument('-a', '--generate-all-tls13-compat-tests', action='store_true',
default=False, help='Generate all available tls13 compat tests')
parser.add_argument('--list-ciphers', action='store_true',
default=False, help='List supported ciphersuites')
parser.add_argument('--list-sig-algs', action='store_true',
default=False, help='List supported signature algorithms')
parser.add_argument('--list-named-groups', action='store_true',
default=False, help='List supported named groups')
parser.add_argument('--list-servers', action='store_true',
default=False, help='List supported TLS servers')
parser.add_argument('--list-clients', action='store_true',
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()):
if server == 'mbedTLS' or client == 'mbedTLS':
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 == 'mbedTLS' or server == 'mbedTLS') and \
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())