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102 lines
6.0 KiB
Python
Executable File
102 lines
6.0 KiB
Python
Executable File
#!/usr/bin/env python3
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# Copyright (c) 2015-2020 The Bitcoin 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 os
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import subprocess
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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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subprocess.run([*cc,source,'-o',executable] + 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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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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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,--no-nxcompat','-Wl,--disable-reloc-section','-Wl,--no-dynamicbase','-Wl,--no-high-entropy-va','-no-pie','-fno-PIE']),
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(1, executable+': failed PIE DYNAMIC_BASE HIGH_ENTROPY_VA NX RELOC_SECTION'))
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self.assertEqual(call_security_check(cc, source, executable, ['-Wl,--nxcompat','-Wl,--disable-reloc-section','-Wl,--no-dynamicbase','-Wl,--no-high-entropy-va','-no-pie','-fno-PIE']),
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(1, executable+': failed PIE DYNAMIC_BASE HIGH_ENTROPY_VA RELOC_SECTION'))
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self.assertEqual(call_security_check(cc, source, executable, ['-Wl,--nxcompat','-Wl,--enable-reloc-section','-Wl,--no-dynamicbase','-Wl,--no-high-entropy-va','-no-pie','-fno-PIE']),
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(1, executable+': failed PIE DYNAMIC_BASE HIGH_ENTROPY_VA'))
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self.assertEqual(call_security_check(cc, source, executable, ['-Wl,--nxcompat','-Wl,--enable-reloc-section','-Wl,--no-dynamicbase','-Wl,--no-high-entropy-va','-pie','-fPIE']),
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(1, executable+': failed PIE DYNAMIC_BASE HIGH_ENTROPY_VA')) # -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,--no-high-entropy-va','-pie','-fPIE']),
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(1, executable+': failed HIGH_ENTROPY_VA'))
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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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(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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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 PIE NOUNDEFS NX LAZY_BINDINGS Canary 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 PIE NOUNDEFS NX LAZY_BINDINGS 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 PIE NOUNDEFS LAZY_BINDINGS 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 PIE LAZY_BINDINGS 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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clean_files(source, executable)
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if __name__ == '__main__':
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unittest.main()
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