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Copy pathmultissltests.py
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#!./python
"""Run Python tests against multiple installations of OpenSSL and LibreSSL
The script
(1) downloads OpenSSL / LibreSSL tar bundle
(2) extracts it to ./src
(3) compiles OpenSSL / LibreSSL
(4) installs OpenSSL / LibreSSL into ../multissl/$LIB/$VERSION/
(5) forces a recompilation of Python modules using the
header and library files from ../multissl/$LIB/$VERSION/
(6) runs Python's test suite
The script must be run with Python's build directory as current working
directory.
The script uses LD_RUN_PATH, LD_LIBRARY_PATH, CPPFLAGS and LDFLAGS to bend
search paths for header files and shared libraries. It's known to work on
Linux with GCC and clang.
Please keep this script compatible with Python 2.7, and 3.4 to 3.7.
(c) 2013-2017 Christian Heimes <christian@python.org>
"""
from __future__ import print_function
import argparse
from datetime import datetime
import logging
import os
try:
from urllib.request import urlopen
except ImportError:
from urllib2 import urlopen
import subprocess
import shutil
import sys
import tarfile
log = logging.getLogger("multissl")
OPENSSL_OLD_VERSIONS = [
"1.0.2",
]
OPENSSL_RECENT_VERSIONS = [
"1.0.2o",
"1.1.0h",
# "1.1.1-pre7",
]
LIBRESSL_OLD_VERSIONS = [
]
LIBRESSL_RECENT_VERSIONS = [
"2.7.3",
]
# store files in ../multissl
HERE = os.path.dirname(os.path.abspath(__file__))
PYTHONROOT = os.path.abspath(os.path.join(HERE, '..', '..'))
MULTISSL_DIR = os.path.abspath(os.path.join(PYTHONROOT, '..', 'multissl'))
parser = argparse.ArgumentParser(
prog='multissl',
description=(
"Run CPython tests with multiple OpenSSL and LibreSSL "
"versions."
)
)
parser.add_argument(
'--debug',
action='store_true',
help="Enable debug logging",
)
parser.add_argument(
'--disable-ancient',
action='store_true',
help="Don't test OpenSSL < 1.0.2 and LibreSSL < 2.5.3.",
)
parser.add_argument(
'--openssl',
nargs='+',
default=(),
help=(
"OpenSSL versions, defaults to '{}' (ancient: '{}') if no "
"OpenSSL and LibreSSL versions are given."
).format(OPENSSL_RECENT_VERSIONS, OPENSSL_OLD_VERSIONS)
)
parser.add_argument(
'--libressl',
nargs='+',
default=(),
help=(
"LibreSSL versions, defaults to '{}' (ancient: '{}') if no "
"OpenSSL and LibreSSL versions are given."
).format(LIBRESSL_RECENT_VERSIONS, LIBRESSL_OLD_VERSIONS)
)
parser.add_argument(
'--tests',
nargs='*',
default=(),
help="Python tests to run, defaults to all SSL related tests.",
)
parser.add_argument(
'--base-directory',
default=MULTISSL_DIR,
help="Base directory for OpenSSL / LibreSSL sources and builds."
)
parser.add_argument(
'--no-network',
action='store_false',
dest='network',
help="Disable network tests."
)
parser.add_argument(
'--steps',
choices=['library', 'modules', 'tests'],
default='tests',
help=(
"Which steps to perform. 'library' downloads and compiles OpenSSL "
"or LibreSSL. 'module' also compiles Python modules. 'tests' builds "
"all and runs the test suite."
)
)
parser.add_argument(
'--system',
default='',
help="Override the automatic system type detection."
)
parser.add_argument(
'--force',
action='store_true',
dest='force',
help="Force build and installation."
)
parser.add_argument(
'--keep-sources',
action='store_true',
dest='keep_sources',
help="Keep original sources for debugging."
)
class AbstractBuilder(object):
library = None
url_template = None
src_template = None
build_template = None
install_target = 'install'
module_files = ("Modules/_ssl.c",
"Modules/_hashopenssl.c")
module_libs = ("_ssl", "_hashlib")
def __init__(self, version, args):
self.version = version
self.args = args
# installation directory
self.install_dir = os.path.join(
os.path.join(args.base_directory, self.library.lower()), version
)
# source file
self.src_dir = os.path.join(args.base_directory, 'src')
self.src_file = os.path.join(
self.src_dir, self.src_template.format(version))
# build directory (removed after install)
self.build_dir = os.path.join(
self.src_dir, self.build_template.format(version))
self.system = args.system
def __str__(self):
return "<{0.__class__.__name__} for {0.version}>".format(self)
def __eq__(self, other):
if not isinstance(other, AbstractBuilder):
return NotImplemented
return (
self.library == other.library
and self.version == other.version
)
def __hash__(self):
return hash((self.library, self.version))
@property
def openssl_cli(self):
"""openssl CLI binary"""
return os.path.join(self.install_dir, "bin", "openssl")
@property
def openssl_version(self):
"""output of 'bin/openssl version'"""
cmd = [self.openssl_cli, "version"]
return self._subprocess_output(cmd)
@property
def pyssl_version(self):
"""Value of ssl.OPENSSL_VERSION"""
cmd = [
sys.executable,
'-c', 'import ssl; print(ssl.OPENSSL_VERSION)'
]
return self._subprocess_output(cmd)
@property
def include_dir(self):
return os.path.join(self.install_dir, "include")
@property
def lib_dir(self):
return os.path.join(self.install_dir, "lib")
@property
def has_openssl(self):
return os.path.isfile(self.openssl_cli)
@property
def has_src(self):
return os.path.isfile(self.src_file)
def _subprocess_call(self, cmd, env=None, **kwargs):
log.debug("Call '{}'".format(" ".join(cmd)))
return subprocess.check_call(cmd, env=env, **kwargs)
def _subprocess_output(self, cmd, env=None, **kwargs):
log.debug("Call '{}'".format(" ".join(cmd)))
if env is None:
env = os.environ.copy()
env["LD_LIBRARY_PATH"] = self.lib_dir
out = subprocess.check_output(cmd, env=env, **kwargs)
return out.strip().decode("utf-8")
def _download_src(self):
"""Download sources"""
src_dir = os.path.dirname(self.src_file)
if not os.path.isdir(src_dir):
os.makedirs(src_dir)
url = self.url_template.format(self.version)
log.info("Downloading from {}".format(url))
req = urlopen(url)
# KISS, read all, write all
data = req.read()
log.info("Storing {}".format(self.src_file))
with open(self.src_file, "wb") as f:
f.write(data)
def _unpack_src(self):
"""Unpack tar.gz bundle"""
# cleanup
if os.path.isdir(self.build_dir):
shutil.rmtree(self.build_dir)
os.makedirs(self.build_dir)
tf = tarfile.open(self.src_file)
name = self.build_template.format(self.version)
base = name + '/'
# force extraction into build dir
members = tf.getmembers()
for member in list(members):
if member.name == name:
members.remove(member)
elif not member.name.startswith(base):
raise ValueError(member.name, base)
member.name = member.name[len(base):].lstrip('/')
log.info("Unpacking files to {}".format(self.build_dir))
tf.extractall(self.build_dir, members)
def _build_src(self):
"""Now build openssl"""
log.info("Running build in {}".format(self.build_dir))
cwd = self.build_dir
cmd = [
"./config",
"shared", "--debug",
"--prefix={}".format(self.install_dir)
]
env = os.environ.copy()
# set rpath
env["LD_RUN_PATH"] = self.lib_dir
if self.system:
env['SYSTEM'] = self.system
self._subprocess_call(cmd, cwd=cwd, env=env)
# Old OpenSSL versions do not support parallel builds.
self._subprocess_call(["make", "-j1"], cwd=cwd, env=env)
def _make_install(self):
self._subprocess_call(
["make", "-j1", self.install_target],
cwd=self.build_dir
)
if not self.args.keep_sources:
shutil.rmtree(self.build_dir)
def install(self):
log.info(self.openssl_cli)
if not self.has_openssl or self.args.force:
if not self.has_src:
self._download_src()
else:
log.debug("Already has src {}".format(self.src_file))
self._unpack_src()
self._build_src()
self._make_install()
else:
log.info("Already has installation {}".format(self.install_dir))
# validate installation
version = self.openssl_version
if self.version not in version:
raise ValueError(version)
def recompile_pymods(self):
log.warning("Using build from {}".format(self.build_dir))
# force a rebuild of all modules that use OpenSSL APIs
for fname in self.module_files:
os.utime(fname, None)
# remove all build artefacts
for root, dirs, files in os.walk('build'):
for filename in files:
if filename.startswith(self.module_libs):
os.unlink(os.path.join(root, filename))
# overwrite header and library search paths
env = os.environ.copy()
env["CPPFLAGS"] = "-I{}".format(self.include_dir)
env["LDFLAGS"] = "-L{}".format(self.lib_dir)
# set rpath
env["LD_RUN_PATH"] = self.lib_dir
log.info("Rebuilding Python modules")
cmd = [sys.executable, "setup.py", "build"]
self._subprocess_call(cmd, env=env)
self.check_imports()
def check_imports(self):
cmd = [sys.executable, "-c", "import _ssl; import _hashlib"]
self._subprocess_call(cmd)
def check_pyssl(self):
version = self.pyssl_version
if self.version not in version:
raise ValueError(version)
def run_python_tests(self, tests, network=True):
if not tests:
cmd = [sys.executable, 'Lib/test/ssltests.py', '-j0']
elif sys.version_info < (3, 3):
cmd = [sys.executable, '-m', 'test.regrtest']
else:
cmd = [sys.executable, '-m', 'test', '-j0']
if network:
cmd.extend(['-u', 'network', '-u', 'urlfetch'])
cmd.extend(['-w', '-r'])
cmd.extend(tests)
self._subprocess_call(cmd, stdout=None)
class BuildOpenSSL(AbstractBuilder):
library = "OpenSSL"
url_template = "https://www.openssl.org/source/openssl-{}.tar.gz"
src_template = "openssl-{}.tar.gz"
build_template = "openssl-{}"
# only install software, skip docs
install_target = 'install_sw'
class BuildLibreSSL(AbstractBuilder):
library = "LibreSSL"
url_template = (
"https://ftp.openbsd.org/pub/OpenBSD/LibreSSL/libressl-{}.tar.gz")
src_template = "libressl-{}.tar.gz"
build_template = "libressl-{}"
def configure_make():
if not os.path.isfile('Makefile'):
log.info('Running ./configure')
subprocess.check_call([
'./configure', '--config-cache', '--quiet',
'--with-pydebug'
])
log.info('Running make')
subprocess.check_call(['make', '--quiet'])
def main():
args = parser.parse_args()
if not args.openssl and not args.libressl:
args.openssl = list(OPENSSL_RECENT_VERSIONS)
args.libressl = list(LIBRESSL_RECENT_VERSIONS)
if not args.disable_ancient:
args.openssl.extend(OPENSSL_OLD_VERSIONS)
args.libressl.extend(LIBRESSL_OLD_VERSIONS)
logging.basicConfig(
level=logging.DEBUG if args.debug else logging.INFO,
format="*** %(levelname)s %(message)s"
)
start = datetime.now()
if args.steps in {'modules', 'tests'}:
for name in ['setup.py', 'Modules/_ssl.c']:
if not os.path.isfile(os.path.join(PYTHONROOT, name)):
parser.error(
"Must be executed from CPython build dir"
)
if not os.path.samefile('python', sys.executable):
parser.error(
"Must be executed with ./python from CPython build dir"
)
# check for configure and run make
configure_make()
# download and register builder
builds = []
for version in args.openssl:
build = BuildOpenSSL(
version,
args
)
build.install()
builds.append(build)
for version in args.libressl:
build = BuildLibreSSL(
version,
args
)
build.install()
builds.append(build)
if args.steps in {'modules', 'tests'}:
for build in builds:
try:
build.recompile_pymods()
build.check_pyssl()
if args.steps == 'tests':
build.run_python_tests(
tests=args.tests,
network=args.network,
)
except Exception as e:
log.exception("%s failed", build)
print("{} failed: {}".format(build, e), file=sys.stderr)
sys.exit(2)
log.info("\n{} finished in {}".format(
args.steps.capitalize(),
datetime.now() - start
))
print('Python: ', sys.version)
if args.steps == 'tests':
if args.tests:
print('Executed Tests:', ' '.join(args.tests))
else:
print('Executed all SSL tests.')
print('OpenSSL / LibreSSL versions:')
for build in builds:
print(" * {0.library} {0.version}".format(build))
if __name__ == "__main__":
main()
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