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pineappleEA
2021-03-06 01:41:47 +01:00
parent a37fdd48d5
commit 3fd627d0ba
558 changed files with 55823 additions and 15727 deletions
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488
externals/mbedtls/scripts/abi_check.py vendored
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@@ -1,20 +1,58 @@
#!/usr/bin/env python3
"""
This file is part of Mbed TLS (https://tls.mbed.org)
Copyright (c) 2018, Arm Limited, All Rights Reserved
Purpose
This script is a small wrapper around the abi-compliance-checker and
abi-dumper tools, applying them to compare the ABI and API of the library
files from two different Git revisions within an Mbed TLS repository.
The results of the comparison are formatted as HTML and stored at
a configurable location. Returns 0 on success, 1 on ABI/API non-compliance,
and 2 if there is an error while running the script.
Note: must be run from Mbed TLS root.
The results of the comparison are either formatted as HTML and stored at
a configurable location, or are given as a brief list of problems.
Returns 0 on success, 1 on ABI/API non-compliance, and 2 if there is an error
while running the script. Note: must be run from Mbed TLS root.
"""
# Copyright The Mbed TLS Contributors
# SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
#
# This file is provided under the Apache License 2.0, or the
# GNU General Public License v2.0 or later.
#
# **********
# Apache License 2.0:
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# **********
#
# **********
# GNU General Public License v2.0 or later:
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# **********
import os
import sys
import traceback
@@ -23,175 +61,303 @@ import subprocess
import argparse
import logging
import tempfile
import fnmatch
from types import SimpleNamespace
import xml.etree.ElementTree as ET
class AbiChecker(object):
class AbiChecker:
"""API and ABI checker."""
def __init__(self, report_dir, old_rev, new_rev, keep_all_reports):
def __init__(self, old_version, new_version, configuration):
"""Instantiate the API/ABI checker.
old_version: RepoVersion containing details to compare against
new_version: RepoVersion containing details to check
configuration.report_dir: directory for output files
configuration.keep_all_reports: if false, delete old reports
configuration.brief: if true, output shorter report to stdout
configuration.skip_file: path to file containing symbols and types to skip
"""
self.repo_path = "."
self.log = None
self.setup_logger()
self.report_dir = os.path.abspath(report_dir)
self.keep_all_reports = keep_all_reports
self.should_keep_report_dir = os.path.isdir(self.report_dir)
self.old_rev = old_rev
self.new_rev = new_rev
self.mbedtls_modules = ["libmbedcrypto", "libmbedtls", "libmbedx509"]
self.old_dumps = {}
self.new_dumps = {}
self.verbose = configuration.verbose
self._setup_logger()
self.report_dir = os.path.abspath(configuration.report_dir)
self.keep_all_reports = configuration.keep_all_reports
self.can_remove_report_dir = not (os.path.exists(self.report_dir) or
self.keep_all_reports)
self.old_version = old_version
self.new_version = new_version
self.skip_file = configuration.skip_file
self.brief = configuration.brief
self.git_command = "git"
self.make_command = "make"
def check_repo_path(self):
current_dir = os.path.realpath('.')
root_dir = os.path.dirname(os.path.dirname(os.path.realpath(__file__)))
if current_dir != root_dir:
@staticmethod
def check_repo_path():
if not all(os.path.isdir(d) for d in ["include", "library", "tests"]):
raise Exception("Must be run from Mbed TLS root")
def setup_logger(self):
def _setup_logger(self):
self.log = logging.getLogger()
self.log.setLevel(logging.INFO)
if self.verbose:
self.log.setLevel(logging.DEBUG)
else:
self.log.setLevel(logging.INFO)
self.log.addHandler(logging.StreamHandler())
def check_abi_tools_are_installed(self):
@staticmethod
def check_abi_tools_are_installed():
for command in ["abi-dumper", "abi-compliance-checker"]:
if not shutil.which(command):
raise Exception("{} not installed, aborting".format(command))
def get_clean_worktree_for_git_revision(self, git_rev):
self.log.info(
"Checking out git worktree for revision {}".format(git_rev)
)
def _get_clean_worktree_for_git_revision(self, version):
"""Make a separate worktree with version.revision checked out.
Do not modify the current worktree."""
git_worktree_path = tempfile.mkdtemp()
worktree_process = subprocess.Popen(
[self.git_command, "worktree", "add", git_worktree_path, git_rev],
if version.repository:
self.log.debug(
"Checking out git worktree for revision {} from {}".format(
version.revision, version.repository
)
)
fetch_output = subprocess.check_output(
[self.git_command, "fetch",
version.repository, version.revision],
cwd=self.repo_path,
stderr=subprocess.STDOUT
)
self.log.debug(fetch_output.decode("utf-8"))
worktree_rev = "FETCH_HEAD"
else:
self.log.debug("Checking out git worktree for revision {}".format(
version.revision
))
worktree_rev = version.revision
worktree_output = subprocess.check_output(
[self.git_command, "worktree", "add", "--detach",
git_worktree_path, worktree_rev],
cwd=self.repo_path,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT
)
worktree_output, _ = worktree_process.communicate()
self.log.info(worktree_output.decode("utf-8"))
if worktree_process.returncode != 0:
raise Exception("Checking out worktree failed, aborting")
self.log.debug(worktree_output.decode("utf-8"))
version.commit = subprocess.check_output(
[self.git_command, "rev-parse", "HEAD"],
cwd=git_worktree_path,
stderr=subprocess.STDOUT
).decode("ascii").rstrip()
self.log.debug("Commit is {}".format(version.commit))
return git_worktree_path
def build_shared_libraries(self, git_worktree_path):
def _update_git_submodules(self, git_worktree_path, version):
"""If the crypto submodule is present, initialize it.
if version.crypto_revision exists, update it to that revision,
otherwise update it to the default revision"""
update_output = subprocess.check_output(
[self.git_command, "submodule", "update", "--init", '--recursive'],
cwd=git_worktree_path,
stderr=subprocess.STDOUT
)
self.log.debug(update_output.decode("utf-8"))
if not (os.path.exists(os.path.join(git_worktree_path, "crypto"))
and version.crypto_revision):
return
if version.crypto_repository:
fetch_output = subprocess.check_output(
[self.git_command, "fetch", version.crypto_repository,
version.crypto_revision],
cwd=os.path.join(git_worktree_path, "crypto"),
stderr=subprocess.STDOUT
)
self.log.debug(fetch_output.decode("utf-8"))
crypto_rev = "FETCH_HEAD"
else:
crypto_rev = version.crypto_revision
checkout_output = subprocess.check_output(
[self.git_command, "checkout", crypto_rev],
cwd=os.path.join(git_worktree_path, "crypto"),
stderr=subprocess.STDOUT
)
self.log.debug(checkout_output.decode("utf-8"))
def _build_shared_libraries(self, git_worktree_path, version):
"""Build the shared libraries in the specified worktree."""
my_environment = os.environ.copy()
my_environment["CFLAGS"] = "-g -Og"
my_environment["SHARED"] = "1"
make_process = subprocess.Popen(
self.make_command,
if os.path.exists(os.path.join(git_worktree_path, "crypto")):
my_environment["USE_CRYPTO_SUBMODULE"] = "1"
make_output = subprocess.check_output(
[self.make_command, "lib"],
env=my_environment,
cwd=git_worktree_path,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT
)
make_output, _ = make_process.communicate()
self.log.info(make_output.decode("utf-8"))
if make_process.returncode != 0:
raise Exception("make failed, aborting")
self.log.debug(make_output.decode("utf-8"))
for root, _dirs, files in os.walk(git_worktree_path):
for file in fnmatch.filter(files, "*.so"):
version.modules[os.path.splitext(file)[0]] = (
os.path.join(root, file)
)
def get_abi_dumps_from_shared_libraries(self, git_ref, git_worktree_path):
abi_dumps = {}
for mbed_module in self.mbedtls_modules:
@staticmethod
def _pretty_revision(version):
if version.revision == version.commit:
return version.revision
else:
return "{} ({})".format(version.revision, version.commit)
def _get_abi_dumps_from_shared_libraries(self, version):
"""Generate the ABI dumps for the specified git revision.
The shared libraries must have been built and the module paths
present in version.modules."""
for mbed_module, module_path in version.modules.items():
output_path = os.path.join(
self.report_dir, "{}-{}.dump".format(mbed_module, git_ref)
self.report_dir, "{}-{}-{}.dump".format(
mbed_module, version.revision, version.version
)
)
abi_dump_command = [
"abi-dumper",
os.path.join(
git_worktree_path, "library", mbed_module + ".so"),
module_path,
"-o", output_path,
"-lver", git_ref
"-lver", self._pretty_revision(version),
]
abi_dump_process = subprocess.Popen(
abi_dump_output = subprocess.check_output(
abi_dump_command,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT
)
abi_dump_output, _ = abi_dump_process.communicate()
self.log.info(abi_dump_output.decode("utf-8"))
if abi_dump_process.returncode != 0:
raise Exception("abi-dumper failed, aborting")
abi_dumps[mbed_module] = output_path
return abi_dumps
self.log.debug(abi_dump_output.decode("utf-8"))
version.abi_dumps[mbed_module] = output_path
def cleanup_worktree(self, git_worktree_path):
def _cleanup_worktree(self, git_worktree_path):
"""Remove the specified git worktree."""
shutil.rmtree(git_worktree_path)
worktree_process = subprocess.Popen(
worktree_output = subprocess.check_output(
[self.git_command, "worktree", "prune"],
cwd=self.repo_path,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT
)
worktree_output, _ = worktree_process.communicate()
self.log.info(worktree_output.decode("utf-8"))
if worktree_process.returncode != 0:
raise Exception("Worktree cleanup failed, aborting")
self.log.debug(worktree_output.decode("utf-8"))
def get_abi_dump_for_ref(self, git_rev):
git_worktree_path = self.get_clean_worktree_for_git_revision(git_rev)
self.build_shared_libraries(git_worktree_path)
abi_dumps = self.get_abi_dumps_from_shared_libraries(
git_rev, git_worktree_path
)
self.cleanup_worktree(git_worktree_path)
return abi_dumps
def _get_abi_dump_for_ref(self, version):
"""Generate the ABI dumps for the specified git revision."""
git_worktree_path = self._get_clean_worktree_for_git_revision(version)
self._update_git_submodules(git_worktree_path, version)
self._build_shared_libraries(git_worktree_path, version)
self._get_abi_dumps_from_shared_libraries(version)
self._cleanup_worktree(git_worktree_path)
def get_abi_compatibility_report(self):
compatibility_report = ""
compliance_return_code = 0
for mbed_module in self.mbedtls_modules:
output_path = os.path.join(
self.report_dir, "{}-{}-{}.html".format(
mbed_module, self.old_rev, self.new_rev
)
def _remove_children_with_tag(self, parent, tag):
children = parent.getchildren()
for child in children:
if child.tag == tag:
parent.remove(child)
else:
self._remove_children_with_tag(child, tag)
def _remove_extra_detail_from_report(self, report_root):
for tag in ['test_info', 'test_results', 'problem_summary',
'added_symbols', 'affected']:
self._remove_children_with_tag(report_root, tag)
for report in report_root:
for problems in report.getchildren()[:]:
if not problems.getchildren():
report.remove(problems)
def _abi_compliance_command(self, mbed_module, output_path):
"""Build the command to run to analyze the library mbed_module.
The report will be placed in output_path."""
abi_compliance_command = [
"abi-compliance-checker",
"-l", mbed_module,
"-old", self.old_version.abi_dumps[mbed_module],
"-new", self.new_version.abi_dumps[mbed_module],
"-strict",
"-report-path", output_path,
]
if self.skip_file:
abi_compliance_command += ["-skip-symbols", self.skip_file,
"-skip-types", self.skip_file]
if self.brief:
abi_compliance_command += ["-report-format", "xml",
"-stdout"]
return abi_compliance_command
def _is_library_compatible(self, mbed_module, compatibility_report):
"""Test if the library mbed_module has remained compatible.
Append a message regarding compatibility to compatibility_report."""
output_path = os.path.join(
self.report_dir, "{}-{}-{}.html".format(
mbed_module, self.old_version.revision,
self.new_version.revision
)
abi_compliance_command = [
"abi-compliance-checker",
"-l", mbed_module,
"-old", self.old_dumps[mbed_module],
"-new", self.new_dumps[mbed_module],
"-strict",
"-report-path", output_path
]
abi_compliance_process = subprocess.Popen(
abi_compliance_command,
stdout=subprocess.PIPE,
)
try:
subprocess.check_output(
self._abi_compliance_command(mbed_module, output_path),
stderr=subprocess.STDOUT
)
abi_compliance_output, _ = abi_compliance_process.communicate()
self.log.info(abi_compliance_output.decode("utf-8"))
if abi_compliance_process.returncode == 0:
compatibility_report += (
"No compatibility issues for {}\n".format(mbed_module)
)
if not self.keep_all_reports:
os.remove(output_path)
elif abi_compliance_process.returncode == 1:
compliance_return_code = 1
self.should_keep_report_dir = True
compatibility_report += (
"Compatibility issues found for {}, "
"for details see {}\n".format(mbed_module, output_path)
except subprocess.CalledProcessError as err:
if err.returncode != 1:
raise err
if self.brief:
self.log.info(
"Compatibility issues found for {}".format(mbed_module)
)
report_root = ET.fromstring(err.output.decode("utf-8"))
self._remove_extra_detail_from_report(report_root)
self.log.info(ET.tostring(report_root).decode("utf-8"))
else:
raise Exception(
"abi-compliance-checker failed with a return code of {},"
" aborting".format(abi_compliance_process.returncode)
self.can_remove_report_dir = False
compatibility_report.append(
"Compatibility issues found for {}, "
"for details see {}".format(mbed_module, output_path)
)
os.remove(self.old_dumps[mbed_module])
os.remove(self.new_dumps[mbed_module])
if not self.should_keep_report_dir and not self.keep_all_reports:
return False
compatibility_report.append(
"No compatibility issues for {}".format(mbed_module)
)
if not (self.keep_all_reports or self.brief):
os.remove(output_path)
return True
def get_abi_compatibility_report(self):
"""Generate a report of the differences between the reference ABI
and the new ABI. ABI dumps from self.old_version and self.new_version
must be available."""
compatibility_report = ["Checking evolution from {} to {}".format(
self._pretty_revision(self.old_version),
self._pretty_revision(self.new_version)
)]
compliance_return_code = 0
shared_modules = list(set(self.old_version.modules.keys()) &
set(self.new_version.modules.keys()))
for mbed_module in shared_modules:
if not self._is_library_compatible(mbed_module,
compatibility_report):
compliance_return_code = 1
for version in [self.old_version, self.new_version]:
for mbed_module, mbed_module_dump in version.abi_dumps.items():
os.remove(mbed_module_dump)
if self.can_remove_report_dir:
os.rmdir(self.report_dir)
self.log.info(compatibility_report)
self.log.info("\n".join(compatibility_report))
return compliance_return_code
def check_for_abi_changes(self):
"""Generate a report of ABI differences
between self.old_rev and self.new_rev."""
self.check_repo_path()
self.check_abi_tools_are_installed()
self.old_dumps = self.get_abi_dump_for_ref(self.old_rev)
self.new_dumps = self.get_abi_dump_for_ref(self.new_rev)
self._get_abi_dump_for_ref(self.old_version)
self._get_abi_dump_for_ref(self.new_version)
return self.get_abi_compatibility_report()
@@ -203,12 +369,17 @@ def run_main():
abi-compliance-checker and abi-dumper tools, applying them
to compare the ABI and API of the library files from two
different Git revisions within an Mbed TLS repository.
The results of the comparison are formatted as HTML and stored
at a configurable location. Returns 0 on success, 1 on ABI/API
non-compliance, and 2 if there is an error while running the
script. Note: must be run from Mbed TLS root."""
The results of the comparison are either formatted as HTML and
stored at a configurable location, or are given as a brief list
of problems. Returns 0 on success, 1 on ABI/API non-compliance,
and 2 if there is an error while running the script.
Note: must be run from Mbed TLS root."""
)
)
parser.add_argument(
"-v", "--verbose", action="store_true",
help="set verbosity level",
)
parser.add_argument(
"-r", "--report-dir", type=str, default="reports",
help="directory where reports are stored, default is reports",
@@ -218,21 +389,82 @@ def run_main():
help="keep all reports, even if there are no compatibility issues",
)
parser.add_argument(
"-o", "--old-rev", type=str, help="revision for old version",
required=True
"-o", "--old-rev", type=str, help="revision for old version.",
required=True,
)
parser.add_argument(
"-or", "--old-repo", type=str, help="repository for old version."
)
parser.add_argument(
"-oc", "--old-crypto-rev", type=str,
help="revision for old crypto submodule."
)
parser.add_argument(
"-ocr", "--old-crypto-repo", type=str,
help="repository for old crypto submodule."
)
parser.add_argument(
"-n", "--new-rev", type=str, help="revision for new version",
required=True
required=True,
)
parser.add_argument(
"-nr", "--new-repo", type=str, help="repository for new version."
)
parser.add_argument(
"-nc", "--new-crypto-rev", type=str,
help="revision for new crypto version"
)
parser.add_argument(
"-ncr", "--new-crypto-repo", type=str,
help="repository for new crypto submodule."
)
parser.add_argument(
"-s", "--skip-file", type=str,
help=("path to file containing symbols and types to skip "
"(typically \"-s identifiers\" after running "
"\"tests/scripts/list-identifiers.sh --internal\")")
)
parser.add_argument(
"-b", "--brief", action="store_true",
help="output only the list of issues to stdout, instead of a full report",
)
abi_args = parser.parse_args()
abi_check = AbiChecker(
abi_args.report_dir, abi_args.old_rev,
abi_args.new_rev, abi_args.keep_all_reports
if os.path.isfile(abi_args.report_dir):
print("Error: {} is not a directory".format(abi_args.report_dir))
parser.exit()
old_version = SimpleNamespace(
version="old",
repository=abi_args.old_repo,
revision=abi_args.old_rev,
commit=None,
crypto_repository=abi_args.old_crypto_repo,
crypto_revision=abi_args.old_crypto_rev,
abi_dumps={},
modules={}
)
new_version = SimpleNamespace(
version="new",
repository=abi_args.new_repo,
revision=abi_args.new_rev,
commit=None,
crypto_repository=abi_args.new_crypto_repo,
crypto_revision=abi_args.new_crypto_rev,
abi_dumps={},
modules={}
)
configuration = SimpleNamespace(
verbose=abi_args.verbose,
report_dir=abi_args.report_dir,
keep_all_reports=abi_args.keep_all_reports,
brief=abi_args.brief,
skip_file=abi_args.skip_file
)
abi_check = AbiChecker(old_version, new_version, configuration)
return_code = abi_check.check_for_abi_changes()
sys.exit(return_code)
except Exception:
except Exception: # pylint: disable=broad-except
# Print the backtrace and exit explicitly so as to exit with
# status 2, not 1.
traceback.print_exc()
sys.exit(2)