Check all 3 numbers of the kernel version in VersionCheck

[kconfig-hardened-check.git] / kernel_hardening_checker / engine.py

diff --git a/kernel_hardening_checker/engine.py b/kernel_hardening_checker/engine.py
index 52ae76153ae15ef55f11b48c73782a44e0342e01..844e9f07c243b52e1c0c1ec16632750bd781420b 100644 (file)
--- a/kernel_hardening_checker/engine.py
+++ b/kernel_hardening_checker/engine.py
@@ -61,6 +61,11 @@ class OptCheck:
     def type(self):
         return None
 
+    def set_state(self, data):
+        assert(data is None or isinstance(data, str)), \
+               f'invalid state "{data}" for "{self.name}" check'
+        self.state = data
+
     def check(self):
         # handle the 'is present' check
         if self.expected == 'is present':
@@ -129,8 +134,8 @@ class SysctlCheck(OptCheck):
 
 class VersionCheck:
     def __init__(self, ver_expected):
-        assert(ver_expected and isinstance(ver_expected, tuple) and len(ver_expected) == 2), \
-               f'invalid version "{ver_expected}" for VersionCheck'
+        assert(ver_expected and isinstance(ver_expected, tuple) and len(ver_expected) == 3), \
+               f'invalid expected version "{ver_expected}" for VersionCheck'
         self.ver_expected = ver_expected
         self.ver = ()
         self.result = None
@@ -139,20 +144,33 @@ class VersionCheck:
     def type(self):
         return 'version'
 
+    def set_state(self, data):
+        assert(data and isinstance(data, tuple) and len(data) >= 3), \
+               f'invalid version "{data}" for VersionCheck'
+        self.ver = data[:3]
+
     def check(self):
         if self.ver[0] > self.ver_expected[0]:
-            self.result = f'OK: version >= {self.ver_expected[0]}.{self.ver_expected[1]}'
+            self.result = f'OK: version >= {self.ver_expected}'
             return
         if self.ver[0] < self.ver_expected[0]:
-            self.result = f'FAIL: version < {self.ver_expected[0]}.{self.ver_expected[1]}'
+            self.result = f'FAIL: version < {self.ver_expected}'
+            return
+        # self.ver[0] and self.ver_expected[0] are equal
+        if self.ver[1] > self.ver_expected[1]:
+            self.result = f'OK: version >= {self.ver_expected}'
+            return
+        if self.ver[1] < self.ver_expected[1]:
+            self.result = f'FAIL: version < {self.ver_expected}'
             return
-        if self.ver[1] >= self.ver_expected[1]:
-            self.result = f'OK: version >= {self.ver_expected[0]}.{self.ver_expected[1]}'
+        # self.ver[1] and self.ver_expected[1] are equal too
+        if self.ver[2] >= self.ver_expected[2]:
+            self.result = f'OK: version >= {self.ver_expected}'
             return
-        self.result = f'FAIL: version < {self.ver_expected[0]}.{self.ver_expected[1]}'
+        self.result = f'FAIL: version < {self.ver_expected}'
 
     def table_print(self, _mode, with_results):
-        ver_req = f'kernel version >= {self.ver_expected[0]}.{self.ver_expected[1]}'
+        ver_req = f'kernel version >= {self.ver_expected}'
         print(f'{ver_req:<91}', end='')
         if with_results:
             print(f'| {colorize_result(self.result)}', end='')
@@ -280,11 +298,11 @@ def populate_simple_opt_with_data(opt, data, data_type):
         return
 
     if data_type in ('kconfig', 'cmdline', 'sysctl'):
-        opt.state = data.get(opt.name, None)
+        opt.set_state(data.get(opt.name, None))
     else:
         assert(data_type == 'version'), \
                f'unexpected data type "{data_type}"'
-        opt.ver = data
+        opt.set_state(data)
 
 
 def populate_opt_with_data(opt, data, data_type):