contrib: add macOS fixup_chains check to security-check

Followup to #27676.

Author: fanquake

contrib/devtools/security-check.py

@@ -158,6 +158,12 @@ def check_MACHO_NOUNDEFS(binary) -> bool:
     '''
     return binary.header.has(lief.MachO.HEADER_FLAGS.NOUNDEFS)
 
+def check_MACHO_FIXUP_CHAINS(binary) -> bool:
+    '''
+    Check for use of chained fixups.
+    '''
+    return binary.has_dyld_chained_fixups
+
 def check_MACHO_Canary(binary) -> bool:
     '''
     Check for use of stack canary
@@ -208,6 +214,7 @@ def check_MACHO_control_flow(binary) -> bool:
 BASE_MACHO = [
     ('NOUNDEFS', check_MACHO_NOUNDEFS),
     ('Canary', check_MACHO_Canary),
+    ('FIXUP_CHAINS', check_MACHO_FIXUP_CHAINS),
 ]
 
 CHECKS = {

contrib/devtools/test-security-check.py

@@ -119,27 +119,31 @@ def test_MACHO(self):
         arch = get_arch(cc, source, executable)
 
         if arch == lief.ARCHITECTURES.X86:
-            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', '-Wl,-no_fixup_chains']),
+                (1, executable+': failed NOUNDEFS Canary FIXUP_CHAINS PIE NX CONTROL_FLOW'))
+            self.assertEqual(call_security_check(cc, source, executable, ['-Wl,-no_pie','-Wl,-flat_namespace','-Wl,-allow_stack_execute','-fno-stack-protector', '-Wl,-fixup_chains']),
                 (1, executable+': failed NOUNDEFS Canary PIE NX 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', '-Wl,-fixup_chains']),
                 (1, executable+': failed NOUNDEFS PIE NX 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', '-Wl,-fixup_chains']),
                 (1, executable+': failed NOUNDEFS PIE 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', '-Wl,-fixup_chains']),
                 (1, executable+': failed PIE 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', '-Wl,-fixup_chains']),
                 (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']),
+            self.assertEqual(call_security_check(cc, source, executable, ['-Wl,-no_pie','-Wl,-bind_at_load','-fstack-protector-all', '-fcf-protection=full', '-Wl,-fixup_chains']),
                 (1, executable+': failed PIE'))
-            self.assertEqual(call_security_check(cc, source, executable, ['-Wl,-pie','-Wl,-bind_at_load','-fstack-protector-all', '-fcf-protection=full']),
+            self.assertEqual(call_security_check(cc, source, executable, ['-Wl,-pie','-Wl,-bind_at_load','-fstack-protector-all', '-fcf-protection=full', '-Wl,-fixup_chains']),
                 (0, ''))
         else:
             # arm64 darwin doesn't support non-PIE binaries, control flow or executable stacks
-            self.assertEqual(call_security_check(cc, source, executable, ['-Wl,-flat_namespace','-fno-stack-protector']),
+            self.assertEqual(call_security_check(cc, source, executable, ['-Wl,-flat_namespace','-fno-stack-protector', '-Wl,-no_fixup_chains']),
+                (1, executable+': failed NOUNDEFS Canary FIXUP_CHAINS'))
+            self.assertEqual(call_security_check(cc, source, executable, ['-Wl,-flat_namespace','-fno-stack-protector', '-Wl,-fixup_chains']),
                 (1, executable+': failed NOUNDEFS Canary'))
-            self.assertEqual(call_security_check(cc, source, executable, ['-Wl,-flat_namespace','-fstack-protector-all']),
+            self.assertEqual(call_security_check(cc, source, executable, ['-Wl,-flat_namespace','-fstack-protector-all', '-Wl,-fixup_chains']),
                 (1, executable+': failed NOUNDEFS'))
-            self.assertEqual(call_security_check(cc, source, executable, ['-Wl,-bind_at_load','-fstack-protector-all']),
+            self.assertEqual(call_security_check(cc, source, executable, ['-Wl,-bind_at_load','-fstack-protector-all', '-Wl,-fixup_chains']),
                 (0, ''))