Use 3 numbers in the VersionCheck constructor

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

diff --git a/kernel_hardening_checker/__init__.py b/kernel_hardening_checker/__init__.py
index cc256f7a0d59662ac830b4e839408223bb0b8cee..48410057d6fbf86bc65277e812d1cedb0607061f 100644 (file)
--- a/kernel_hardening_checker/__init__.py
+++ b/kernel_hardening_checker/__init__.py
@@ -53,12 +53,13 @@ def detect_kernel_version(fname):
             if ver_pattern.match(line):
                 line = line.strip()
                 parts = line.split()
-                ver_str = parts[2]
+                ver_str = parts[2].split('-', 1)[0]
                 ver_numbers = ver_str.split('.')
-                if len(ver_numbers) < 3 or not ver_numbers[0].isdigit() or not ver_numbers[1].isdigit():
-                    msg = f'failed to parse the version "{ver_str}"'
-                    return None, msg
-                return (int(ver_numbers[0]), int(ver_numbers[1])), None
+                if len(ver_numbers) >= 3:
+                    if all(map(lambda x: x.isdigit(), ver_numbers)):
+                        return tuple(map(int, ver_numbers)), None
+                msg = f'failed to parse the version "{parts[2]}"'
+                return None, msg
         return None, 'no kernel version detected'
 
 
@@ -285,7 +286,7 @@ def main():
                 print('[!] Hint: provide the kernel version file through --kernel-version option')
             sys.exit(f'[!] ERROR: {msg}')
         if mode != 'json':
-            print(f'[+] Detected kernel version: {kernel_version[0]}.{kernel_version[1]}')
+            print(f'[+] Detected kernel version: {kernel_version}')
 
         compiler, msg = detect_compiler(args.config)
         if mode != 'json':
@@ -331,7 +332,8 @@ def main():
             override_expected_value(config_checklist, 'CONFIG_ARCH_MMAP_RND_BITS', mmap_rnd_bits_max)
         else:
             # remove the CONFIG_ARCH_MMAP_RND_BITS check to avoid false results
-            print('[-] Can\'t check CONFIG_ARCH_MMAP_RND_BITS without CONFIG_ARCH_MMAP_RND_BITS_MAX')
+            if mode != 'json':
+                print('[-] Can\'t check CONFIG_ARCH_MMAP_RND_BITS without CONFIG_ARCH_MMAP_RND_BITS_MAX')
             config_checklist[:] = [o for o in config_checklist if o.name != 'CONFIG_ARCH_MMAP_RND_BITS']
 
         # now everything is ready, perform the checks