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merge bitcoin#21889: check for control flow instrumentation

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This commit is contained in:
Kittywhiskers Van Gogh 2021-05-09 11:32:59 +08:00
parent 853583019b
commit cdedbea0b4
3 changed files with 23 additions and 6 deletions
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16
contrib/devtools/security-check.py
View File

@ -188,6 +188,19 @@ def check_NX(executable) -> bool:
binary = lief.parse(executable) binary = lief.parse(executable)
return binary.has_nx return binary.has_nx
def check_control_flow(executable) -> bool:
'''
Check for control flow instrumentation
'''
binary = lief.parse(executable)
content = binary.get_content_from_virtual_address(binary.entrypoint, 4, lief.Binary.VA_TYPES.AUTO)
if content == [243, 15, 30, 250]: # endbr64
return True
return False
CHECKS = { CHECKS = {
'ELF': [ 'ELF': [
('PIE', check_ELF_PIE), ('PIE', check_ELF_PIE),
@ -208,7 +221,8 @@ CHECKS = {
('NOUNDEFS', check_MACHO_NOUNDEFS), ('NOUNDEFS', check_MACHO_NOUNDEFS),
('NX', check_NX), ('NX', check_NX),
('LAZY_BINDINGS', check_MACHO_LAZY_BINDINGS), ('LAZY_BINDINGS', check_MACHO_LAZY_BINDINGS),
('Canary', check_MACHO_Canary) ('Canary', check_MACHO_Canary),
('CONTROL_FLOW', check_control_flow),
] ]
} }

12
contrib/devtools/test-security-check.py
View File

@ -81,16 +81,18 @@ class TestSecurityChecks(unittest.TestCase):
write_testcode(source) write_testcode(source)
self.assertEqual(call_security_check(cc, source, executable, ['-Wl,-no_pie','-Wl,-flat_namespace','-Wl,-allow_stack_execute','-fno-stack-protector']), 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')) (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']), 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')) (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']), self.assertEqual(call_security_check(cc, source, executable, ['-Wl,-no_pie','-Wl,-flat_namespace','-fstack-protector-all']),
(1, executable+': failed PIE NOUNDEFS LAZY_BINDINGS')) (1, executable+': failed PIE NOUNDEFS LAZY_BINDINGS CONTROL_FLOW'))
self.assertEqual(call_security_check(cc, source, executable, ['-Wl,-no_pie','-fstack-protector-all']), self.assertEqual(call_security_check(cc, source, executable, ['-Wl,-no_pie','-fstack-protector-all']),
(1, executable+': failed PIE LAZY_BINDINGS')) (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']), 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')) (1, executable+': failed PIE'))
self.assertEqual(call_security_check(cc, source, executable, ['-Wl,-pie','-Wl,-bind_at_load','-fstack-protector-all']), self.assertEqual(call_security_check(cc, source, executable, ['-Wl,-pie','-Wl,-bind_at_load','-fstack-protector-all', '-fcf-protection=full']),
(0, '')) (0, ''))
clean_files(source, executable) clean_files(source, executable)

1
depends/packages/boost.mk
View File

@ -30,6 +30,7 @@ $(package)_config_libraries=filesystem,thread,test
$(package)_cxxflags=-std=c++17 -fvisibility=hidden $(package)_cxxflags=-std=c++17 -fvisibility=hidden
$(package)_cxxflags_linux=-fPIC $(package)_cxxflags_linux=-fPIC
$(package)_cxxflags_android=-fPIC $(package)_cxxflags_android=-fPIC
$(package)_cxxflags_darwin=-fcf-protection=full
endef endef
# Fix unused variable in boost_process, can be removed after upgrading to 1.72 # Fix unused variable in boost_process, can be removed after upgrading to 1.72