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adds a line when no copyright for Dogecoin Core Developers exists but the file has been edited by us, to the last year found in git log, or extends the year range on an existing line when a file has been modified since the year previously listed. Excludes subtrees.
153 lines
9.8 KiB
Python
Executable File
153 lines
9.8 KiB
Python
Executable File
#!/usr/bin/env python3
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# Copyright (c) 2015-2021 The Bitcoin Core developers
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# Copyright (c) 2023 The Dogecoin Core developers
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# Distributed under the MIT software license, see the accompanying
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# file COPYING or http://www.opensource.org/licenses/mit-license.php.
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'''
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Test script for security-check.py
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'''
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import lief #type:ignore
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import os
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import subprocess
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from typing import List
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import unittest
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from utils import determine_wellknown_cmd
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def write_testcode(filename):
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with open(filename, 'w', encoding="utf8") as f:
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f.write('''
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#include <stdio.h>
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int main()
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{
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printf("the quick brown fox jumps over the lazy god\\n");
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return 0;
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}
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''')
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def clean_files(source, executable):
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os.remove(source)
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os.remove(executable)
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def call_security_check(cc, source, executable, options):
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# This should behave the same as AC_TRY_LINK, so arrange well-known flags
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# in the same order as autoconf would.
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#
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# See the definitions for ac_link in autoconf's lib/autoconf/c.m4 file for
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# reference.
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env_flags: List[str] = []
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for var in ['CFLAGS', 'CPPFLAGS', 'LDFLAGS']:
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env_flags += filter(None, os.environ.get(var, '').split(' '))
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subprocess.run([*cc,source,'-o',executable] + env_flags + options, check=True)
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p = subprocess.run(['./contrib/devtools/security-check.py',executable], stdout=subprocess.PIPE, universal_newlines=True)
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return (p.returncode, p.stdout.rstrip())
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def get_arch(cc, source, executable):
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subprocess.run([*cc, source, '-o', executable], check=True)
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binary = lief.parse(executable)
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arch = binary.abstract.header.architecture
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os.remove(executable)
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return arch
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class TestSecurityChecks(unittest.TestCase):
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def test_ELF(self):
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source = 'test1.c'
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executable = 'test1'
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cc = determine_wellknown_cmd('CC', 'gcc')
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write_testcode(source)
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arch = get_arch(cc, source, executable)
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if arch == lief.ARCHITECTURES.X86:
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self.assertEqual(call_security_check(cc, source, executable, ['-Wl,-zexecstack','-fno-stack-protector','-Wl,-znorelro','-no-pie','-fno-PIE', '-Wl,-z,separate-code']),
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(1, executable+': failed PIE NX RELRO Canary CONTROL_FLOW'))
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self.assertEqual(call_security_check(cc, source, executable, ['-Wl,-znoexecstack','-fno-stack-protector','-Wl,-znorelro','-no-pie','-fno-PIE', '-Wl,-z,separate-code']),
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(1, executable+': failed PIE RELRO Canary CONTROL_FLOW'))
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self.assertEqual(call_security_check(cc, source, executable, ['-Wl,-znoexecstack','-fstack-protector-all','-Wl,-znorelro','-no-pie','-fno-PIE', '-Wl,-z,separate-code']),
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(1, executable+': failed PIE RELRO CONTROL_FLOW'))
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self.assertEqual(call_security_check(cc, source, executable, ['-Wl,-znoexecstack','-fstack-protector-all','-Wl,-znorelro','-pie','-fPIE', '-Wl,-z,separate-code']),
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(1, executable+': failed RELRO CONTROL_FLOW'))
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self.assertEqual(call_security_check(cc, source, executable, ['-Wl,-znoexecstack','-fstack-protector-all','-Wl,-zrelro','-Wl,-z,now','-pie','-fPIE', '-Wl,-z,noseparate-code']),
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(1, executable+': failed separate_code CONTROL_FLOW'))
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self.assertEqual(call_security_check(cc, source, executable, ['-Wl,-znoexecstack','-fstack-protector-all','-Wl,-zrelro','-Wl,-z,now','-pie','-fPIE', '-Wl,-z,separate-code']),
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(1, executable+': failed CONTROL_FLOW'))
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self.assertEqual(call_security_check(cc, source, executable, ['-Wl,-znoexecstack','-fstack-protector-all','-Wl,-zrelro','-Wl,-z,now','-pie','-fPIE', '-Wl,-z,separate-code', '-fcf-protection=full']),
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(0, ''))
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else:
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self.assertEqual(call_security_check(cc, source, executable, ['-Wl,-zexecstack','-fno-stack-protector','-Wl,-znorelro','-no-pie','-fno-PIE', '-Wl,-z,separate-code']),
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(1, executable+': failed PIE NX RELRO Canary'))
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self.assertEqual(call_security_check(cc, source, executable, ['-Wl,-znoexecstack','-fno-stack-protector','-Wl,-znorelro','-no-pie','-fno-PIE', '-Wl,-z,separate-code']),
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(1, executable+': failed PIE RELRO Canary'))
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self.assertEqual(call_security_check(cc, source, executable, ['-Wl,-znoexecstack','-fstack-protector-all','-Wl,-znorelro','-no-pie','-fno-PIE', '-Wl,-z,separate-code']),
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(1, executable+': failed PIE RELRO'))
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self.assertEqual(call_security_check(cc, source, executable, ['-Wl,-znoexecstack','-fstack-protector-all','-Wl,-znorelro','-pie','-fPIE', '-Wl,-z,separate-code']),
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(1, executable+': failed RELRO'))
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self.assertEqual(call_security_check(cc, source, executable, ['-Wl,-znoexecstack','-fstack-protector-all','-Wl,-zrelro','-Wl,-z,now','-pie','-fPIE', '-Wl,-z,noseparate-code']),
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(1, executable+': failed separate_code'))
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self.assertEqual(call_security_check(cc, source, executable, ['-Wl,-znoexecstack','-fstack-protector-all','-Wl,-zrelro','-Wl,-z,now','-pie','-fPIE', '-Wl,-z,separate-code']),
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(0, ''))
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clean_files(source, executable)
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def test_PE(self):
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source = 'test1.c'
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executable = 'test1.exe'
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cc = determine_wellknown_cmd('CC', 'x86_64-w64-mingw32-gcc')
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write_testcode(source)
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self.assertEqual(call_security_check(cc, source, executable, ['-Wl,--disable-nxcompat','-Wl,--disable-reloc-section','-Wl,--disable-dynamicbase','-Wl,--disable-high-entropy-va','-no-pie','-fno-PIE']),
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(1, executable+': failed PIE DYNAMIC_BASE HIGH_ENTROPY_VA NX RELOC_SECTION CONTROL_FLOW'))
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self.assertEqual(call_security_check(cc, source, executable, ['-Wl,--nxcompat','-Wl,--disable-reloc-section','-Wl,--disable-dynamicbase','-Wl,--disable-high-entropy-va','-no-pie','-fno-PIE']),
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(1, executable+': failed PIE DYNAMIC_BASE HIGH_ENTROPY_VA RELOC_SECTION CONTROL_FLOW'))
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self.assertEqual(call_security_check(cc, source, executable, ['-Wl,--nxcompat','-Wl,--enable-reloc-section','-Wl,--disable-dynamicbase','-Wl,--disable-high-entropy-va','-no-pie','-fno-PIE']),
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(1, executable+': failed PIE DYNAMIC_BASE HIGH_ENTROPY_VA CONTROL_FLOW'))
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self.assertEqual(call_security_check(cc, source, executable, ['-Wl,--nxcompat','-Wl,--enable-reloc-section','-Wl,--disable-dynamicbase','-Wl,--disable-high-entropy-va','-pie','-fPIE']),
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(1, executable+': failed PIE DYNAMIC_BASE HIGH_ENTROPY_VA CONTROL_FLOW')) # -pie -fPIE does nothing unless --dynamicbase is also supplied
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self.assertEqual(call_security_check(cc, source, executable, ['-Wl,--nxcompat','-Wl,--enable-reloc-section','-Wl,--dynamicbase','-Wl,--disable-high-entropy-va','-pie','-fPIE']),
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(1, executable+': failed HIGH_ENTROPY_VA CONTROL_FLOW'))
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self.assertEqual(call_security_check(cc, source, executable, ['-Wl,--nxcompat','-Wl,--enable-reloc-section','-Wl,--dynamicbase','-Wl,--high-entropy-va','-pie','-fPIE']),
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(1, executable+': failed CONTROL_FLOW'))
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self.assertEqual(call_security_check(cc, source, executable, ['-Wl,--nxcompat','-Wl,--enable-reloc-section','-Wl,--dynamicbase','-Wl,--high-entropy-va','-pie','-fPIE', '-fcf-protection=full']),
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(0, ''))
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clean_files(source, executable)
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def test_MACHO(self):
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source = 'test1.c'
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executable = 'test1'
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cc = determine_wellknown_cmd('CC', 'clang')
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write_testcode(source)
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arch = get_arch(cc, source, executable)
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if arch == lief.ARCHITECTURES.X86:
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self.assertEqual(call_security_check(cc, source, executable, ['-Wl,-no_pie','-Wl,-flat_namespace','-Wl,-allow_stack_execute','-fno-stack-protector']),
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(1, executable+': failed NOUNDEFS LAZY_BINDINGS Canary PIE NX CONTROL_FLOW'))
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self.assertEqual(call_security_check(cc, source, executable, ['-Wl,-no_pie','-Wl,-flat_namespace','-Wl,-allow_stack_execute','-fstack-protector-all']),
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(1, executable+': failed NOUNDEFS LAZY_BINDINGS PIE NX CONTROL_FLOW'))
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self.assertEqual(call_security_check(cc, source, executable, ['-Wl,-no_pie','-Wl,-flat_namespace','-fstack-protector-all']),
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(1, executable+': failed NOUNDEFS LAZY_BINDINGS PIE CONTROL_FLOW'))
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self.assertEqual(call_security_check(cc, source, executable, ['-Wl,-no_pie','-fstack-protector-all']),
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(1, executable+': failed LAZY_BINDINGS PIE CONTROL_FLOW'))
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self.assertEqual(call_security_check(cc, source, executable, ['-Wl,-no_pie','-Wl,-bind_at_load','-fstack-protector-all']),
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(1, executable+': failed PIE CONTROL_FLOW'))
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self.assertEqual(call_security_check(cc, source, executable, ['-Wl,-no_pie','-Wl,-bind_at_load','-fstack-protector-all', '-fcf-protection=full']),
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(1, executable+': failed PIE'))
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self.assertEqual(call_security_check(cc, source, executable, ['-Wl,-pie','-Wl,-bind_at_load','-fstack-protector-all', '-fcf-protection=full']),
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(0, ''))
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else:
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# arm64 darwin doesn't support non-PIE binaries, control flow or executable stacks
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self.assertEqual(call_security_check(cc, source, executable, ['-Wl,-flat_namespace','-fno-stack-protector']),
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(1, executable+': failed NOUNDEFS LAZY_BINDINGS Canary'))
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self.assertEqual(call_security_check(cc, source, executable, ['-Wl,-flat_namespace','-fstack-protector-all']),
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(1, executable+': failed NOUNDEFS LAZY_BINDINGS'))
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self.assertEqual(call_security_check(cc, source, executable, ['-fstack-protector-all']),
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(1, executable+': failed LAZY_BINDINGS'))
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self.assertEqual(call_security_check(cc, source, executable, ['-Wl,-bind_at_load','-fstack-protector-all']),
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(0, ''))
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clean_files(source, executable)
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if __name__ == '__main__':
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unittest.main()
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