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Initial Vexta Core v0.1.0 release

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Capri 2026-07-15 14:07:28 +00:00
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contrib/devtools/test-security-check.py Executable file
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#!/usr/bin/env python3
# Copyright (c) 2015-2021 The Bitcoin Core developers
# Distributed under the MIT software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php.
'''
Test script for security-check.py
'''
import lief #type:ignore
import os
import subprocess
from typing import List
import unittest
from utils import determine_wellknown_cmd
def write_testcode(filename):
with open(filename, 'w', encoding="utf8") as f:
f.write('''
#include <stdio.h>
int main()
{
printf("the quick brown fox jumps over the lazy god\\n");
return 0;
}
''')
def clean_files(source, executable):
os.remove(source)
os.remove(executable)
def call_security_check(cc, source, executable, options):
subprocess.run([*cc,source,'-o',executable] + options, check=True)
p = subprocess.run(['./contrib/devtools/security-check.py',executable], stdout=subprocess.PIPE, universal_newlines=True)
return (p.returncode, p.stdout.rstrip())
def get_arch(cc, source, executable):
subprocess.run([*cc, source, '-o', executable], check=True)
binary = lief.parse(executable)
arch = binary.abstract.header.architecture
os.remove(executable)
return arch
class TestSecurityChecks(unittest.TestCase):
def test_ELF(self):
source = 'test1.c'
executable = 'test1'
cc = determine_wellknown_cmd('CC', 'gcc')
write_testcode(source)
arch = get_arch(cc, source, executable)
self.assertEqual(call_security_check(cc, source, executable, ['-Wl,-zexecstack','-fno-stack-protector','-Wl,-znorelro','-no-pie','-fno-PIE', '-Wl,-z,separate-code']),
(1, executable+': failed PIE NX RELRO Canary'))
self.assertEqual(call_security_check(cc, source, executable, ['-Wl,-znoexecstack','-fno-stack-protector','-Wl,-znorelro','-no-pie','-fno-PIE', '-Wl,-z,separate-code']),
(1, executable+': failed PIE RELRO Canary'))
self.assertEqual(call_security_check(cc, source, executable, ['-Wl,-znoexecstack','-fstack-protector-all','-Wl,-znorelro','-no-pie','-fno-PIE', '-Wl,-z,separate-code']),
(1, executable+': failed PIE RELRO'))
self.assertEqual(call_security_check(cc, source, executable, ['-Wl,-znoexecstack','-fstack-protector-all','-Wl,-znorelro','-pie','-fPIE', '-Wl,-z,separate-code']),
(1, executable+': failed RELRO'))
self.assertEqual(call_security_check(cc, source, executable, ['-Wl,-znoexecstack','-fstack-protector-all','-Wl,-zrelro','-Wl,-z,now','-pie','-fPIE', '-Wl,-z,noseparate-code']),
(1, executable+': failed separate_code'))
self.assertEqual(call_security_check(cc, source, executable, ['-Wl,-znoexecstack','-fstack-protector-all','-Wl,-zrelro','-Wl,-z,now','-pie','-fPIE', '-Wl,-z,separate-code']),
(0, ''))
clean_files(source, executable)
def test_PE(self):
source = 'test1.c'
executable = 'test1.exe'
cc = determine_wellknown_cmd('CC', 'x86_64-w64-mingw32-gcc')
write_testcode(source)
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']),
(1, executable+': failed PIE DYNAMIC_BASE HIGH_ENTROPY_VA NX RELOC_SECTION'))
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']),
(1, executable+': failed PIE DYNAMIC_BASE HIGH_ENTROPY_VA RELOC_SECTION'))
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']),
(1, executable+': failed PIE DYNAMIC_BASE HIGH_ENTROPY_VA'))
self.assertEqual(call_security_check(cc, source, executable, ['-Wl,--nxcompat','-Wl,--enable-reloc-section','-Wl,--no-dynamicbase','-Wl,--no-high-entropy-va','-pie','-fPIE']),
(1, executable+': failed PIE DYNAMIC_BASE HIGH_ENTROPY_VA')) # -pie -fPIE does nothing unless --dynamicbase is also supplied
self.assertEqual(call_security_check(cc, source, executable, ['-Wl,--nxcompat','-Wl,--enable-reloc-section','-Wl,--dynamicbase','-Wl,--no-high-entropy-va','-pie','-fPIE']),
(1, executable+': failed HIGH_ENTROPY_VA'))
self.assertEqual(call_security_check(cc, source, executable, ['-Wl,--nxcompat','-Wl,--enable-reloc-section','-Wl,--dynamicbase','-Wl,--high-entropy-va','-pie','-fPIE']),
(0, ''))
clean_files(source, executable)
def test_MACHO(self):
source = 'test1.c'
executable = 'test1'
cc = determine_wellknown_cmd('CC', 'clang')
write_testcode(source)
arch = get_arch(cc, source, executable)
self.assertEqual(call_security_check(cc, source, executable, ['-Wl,-no_pie','-Wl,-flat_namespace','-Wl,-allow_stack_execute','-fno-stack-protector']),
(1, executable+': failed PIE NOUNDEFS NX LAZY_BINDINGS Canary CONTROL_FLOW'))
self.assertEqual(call_security_check(cc, source, executable, ['-Wl,-no_pie','-Wl,-flat_namespace','-Wl,-allow_stack_execute','-fstack-protector-all']),
(1, executable+': failed PIE NOUNDEFS NX LAZY_BINDINGS CONTROL_FLOW'))
self.assertEqual(call_security_check(cc, source, executable, ['-Wl,-no_pie','-Wl,-flat_namespace','-fstack-protector-all']),
(1, executable+': failed PIE NOUNDEFS LAZY_BINDINGS CONTROL_FLOW'))
self.assertEqual(call_security_check(cc, source, executable, ['-Wl,-no_pie','-fstack-protector-all']),
(1, executable+': failed PIE LAZY_BINDINGS CONTROL_FLOW'))
self.assertEqual(call_security_check(cc, source, executable, ['-Wl,-no_pie','-Wl,-bind_at_load','-fstack-protector-all']),
(1, executable+': failed PIE CONTROL_FLOW'))
self.assertEqual(call_security_check(cc, source, executable, ['-Wl,-no_pie','-Wl,-bind_at_load','-fstack-protector-all', '-fcf-protection=full']),
(1, executable+': failed PIE'))
self.assertEqual(call_security_check(cc, source, executable, ['-Wl,-pie','-Wl,-bind_at_load','-fstack-protector-all', '-fcf-protection=full']),
(0, ''))
clean_files(source, executable)
if __name__ == '__main__':
unittest.main()