Merge pull request #62 from evdenis/master

[kconfig-hardened-check.git] / kconfig_hardened_check / __init__.py

diff --git a/kconfig_hardened_check/__init__.py b/kconfig_hardened_check/__init__.py
index 07b467e3680d05d2930528411a17ab8968cfa20a..d3cbad160280568c90b8a51d04ce338c0048c35b 100644 (file)
--- a/kconfig_hardened_check/__init__.py
+++ b/kconfig_hardened_check/__init__.py
@@ -97,6 +97,10 @@ class OptCheck:
         self.state = None
         self.result = None
 
+    @property
+    def type(self):
+        return None
+
     def check(self):
         # handle the option presence check
         if self.expected is None:
@@ -326,6 +330,8 @@ def add_kconfig_checks(l, arch):
     l += [KconfigCheck('self_protection', 'defconfig', 'BUG', 'y')]
     l += [KconfigCheck('self_protection', 'defconfig', 'SLUB_DEBUG', 'y')]
     l += [KconfigCheck('self_protection', 'defconfig', 'GCC_PLUGINS', 'y')]
+    l += [OR(KconfigCheck('self_protection', 'defconfig', 'STACKPROTECTOR', 'y'),
+             KconfigCheck('self_protection', 'defconfig', 'CC_STACKPROTECTOR', 'y'))]
     l += [OR(KconfigCheck('self_protection', 'defconfig', 'STACKPROTECTOR_STRONG', 'y'),
              KconfigCheck('self_protection', 'defconfig', 'CC_STACKPROTECTOR_STRONG', 'y'))]
     l += [OR(KconfigCheck('self_protection', 'defconfig', 'STRICT_KERNEL_RWX', 'y'),
@@ -493,11 +499,11 @@ def add_kconfig_checks(l, arch):
     if arch == 'ARM':
         l += [KconfigCheck('security_policy', 'kspp', 'SECURITY', 'y')] # and choose your favourite LSM
     l += [KconfigCheck('security_policy', 'kspp', 'SECURITY_YAMA', 'y')]
-    l += [OR(KconfigCheck('security_policy', 'my', 'SECURITY_WRITABLE_HOOKS', 'is not set'),
-             KconfigCheck('security_policy', 'kspp', 'SECURITY_SELINUX_DISABLE', 'is not set'))]
+    l += [KconfigCheck('security_policy', 'kspp', 'SECURITY_SELINUX_DISABLE', 'is not set')]
     l += [KconfigCheck('security_policy', 'clipos', 'SECURITY_LOCKDOWN_LSM', 'y')]
     l += [KconfigCheck('security_policy', 'clipos', 'SECURITY_LOCKDOWN_LSM_EARLY', 'y')]
     l += [KconfigCheck('security_policy', 'clipos', 'LOCK_DOWN_KERNEL_FORCE_CONFIDENTIALITY', 'y')]
+    l += [KconfigCheck('security_policy', 'my', 'SECURITY_WRITABLE_HOOKS', 'is not set')] # refers to SECURITY_SELINUX_DISABLE
     l += [KconfigCheck('security_policy', 'my', 'SECURITY_SAFESETID', 'y')]
     loadpin_is_set = KconfigCheck('security_policy', 'my', 'SECURITY_LOADPIN', 'y')
     l += [loadpin_is_set] # needs userspace support
@@ -585,6 +591,7 @@ def add_kconfig_checks(l, arch):
     l += [KconfigCheck('cut_attack_surface', 'maintainer', 'FB', 'is not set')] # recommended by Daniel Vetter in /issues/38
     l += [KconfigCheck('cut_attack_surface', 'maintainer', 'VT', 'is not set')] # recommended by Daniel Vetter in /issues/38
     l += [KconfigCheck('cut_attack_surface', 'maintainer', 'BLK_DEV_FD', 'is not set')] # recommended by Denis Efremov in /pull/54
+    l += [KconfigCheck('cut_attack_surface', 'maintainer', 'BLK_DEV_FD_RAWCMD', 'is not set')] # recommended by Denis Efremov in /pull/62
 
     # 'cut_attack_surface', 'grapheneos'
     l += [KconfigCheck('cut_attack_surface', 'grapheneos', 'AIO', 'is not set')]
@@ -629,8 +636,6 @@ def add_kconfig_checks(l, arch):
         l += [KconfigCheck('harden_userspace', 'defconfig', 'INTEGRITY', 'y')]
     if arch == 'ARM':
         l += [KconfigCheck('harden_userspace', 'my', 'INTEGRITY', 'y')]
-    if arch == 'ARM64':
-        l += [KconfigCheck('harden_userspace', 'defconfig', 'ARM64_MTE', 'y')]
     if arch in ('ARM', 'X86_32'):
         l += [KconfigCheck('harden_userspace', 'defconfig', 'VMSPLIT_3G', 'y')]
     if arch in ('X86_64', 'ARM64'):
@@ -715,6 +720,8 @@ def print_checklist(mode, checklist, with_results):
 def populate_simple_opt_with_data(opt, data, data_type):
     if opt.type == 'complex':
         sys.exit('[!] ERROR: unexpected ComplexOptCheck {}: {}'.format(opt.name, vars(opt)))
+    if opt.type not in TYPES_OF_CHECKS:
+        sys.exit('[!] ERROR: invalid opt type "{}" for {}'.format(opt.type, opt.name))
     if data_type not in TYPES_OF_CHECKS:
         sys.exit('[!] ERROR: invalid data type "{}"'.format(data_type))