Added Panasonic BIOS Package Extractor v2.0_a7

New processes to better handle PE files

Various common package fixes and improvements

common/comp_efi.py

@@ -35,7 +35,7 @@ def get_tiano_path():
     return safe_path(project_root(), ['external',exec_name])
 
 # EFI/Tiano Decompression via TianoCompress
-def efi_decompress(in_path, out_path, padding=0, comp_type='--uefi'):
+def efi_decompress(in_path, out_path, padding=0, silent=False, comp_type='--uefi'):
     try:
         subprocess.run([get_tiano_path(), '-d', in_path, '-o', out_path, '-q', comp_type], check=True, stdout=subprocess.DEVNULL)
         
@@ -43,10 +43,12 @@ def efi_decompress(in_path, out_path, padding=0, comp_type='--uefi'):
         
         if os.path.getsize(out_path) != size_orig: raise Exception('EFI_DECOMPRESS_ERROR')
     except:
-        printer(f'Error: TianoCompress could not extract file {in_path}!', padding)
+        if not silent:
+            printer(f'Error: TianoCompress could not extract file {in_path}!', padding)
         
         return 1
     
-    printer('Succesfull EFI decompression via TianoCompress!', padding)
+    if not silent:
+        printer('Succesfull EFI decompression via TianoCompress!', padding)
     
     return 0

common/comp_szip.py

@@ -19,18 +19,19 @@ def get_szip_path():
     return safe_path(project_root(), ['external',exec_name])
 
 # Check if file is 7-Zip supported
-def is_szip_supported(in_path, padding=0):
+def is_szip_supported(in_path, padding=0, silent=False):
     try:
         subprocess.run([get_szip_path(), 't', in_path, '-bso0', '-bse0', '-bsp0'], check=True)
     except:
-        printer(f'Error: 7-Zip could not check support for file {in_path}!', padding)
+        if not silent:
+            printer(f'Error: 7-Zip could not check support for file {in_path}!', padding)
         
         return False
     
     return True
 
 # Archive decompression via 7-Zip
-def szip_decompress(in_path, out_path, in_name, padding=0):
+def szip_decompress(in_path, out_path, in_name, padding=0, silent=False):
     if not in_name: in_name = 'archive'
     
     try:
@@ -38,10 +39,12 @@ def szip_decompress(in_path, out_path, in_name, padding=0):
         
         if not os.path.isdir(out_path): raise Exception('EXTRACT_DIR_MISSING')
     except:
-        printer(f'Error: 7-Zip could not extract {in_name} file {in_path}!', padding)
+        if not silent:
+            printer(f'Error: 7-Zip could not extract {in_name} file {in_path}!', padding)
         
         return 1
     
-    printer(f'Succesfull {in_name} decompression via 7-Zip!', padding)
+    if not silent:
+        printer(f'Succesfull {in_name} decompression via 7-Zip!', padding)
     
     return 0

common/path_ops.py

@@ -70,6 +70,10 @@ def agnostic_path(in_path):
 def path_parent(in_path):
     return Path(in_path).parent.absolute()
 
+# Get final path component, w/o suffix
+def path_stem(in_path):
+    return PurePath(in_path).stem
+
 # Check if path is absolute
 def is_path_absolute(in_path):
     return Path(in_path).is_absolute()

common/patterns.py

@@ -13,6 +13,7 @@ PAT_DELL_FTR = re.compile(br'\xEE\xAA\xEE\x8F\x49\x1B\xE8\xAE\x14\x37\x90')
 PAT_DELL_HDR = re.compile(br'\xEE\xAA\x76\x1B\xEC\xBB\x20\xF1\xE6\x51.\x78\x9C', re.DOTALL)
 PAT_DELL_PKG = re.compile(br'\x72\x13\x55\x00.{45}7zXZ', re.DOTALL)
 PAT_INTEL_ENG = re.compile(br'\x04\x00{3}[\xA1\xE1]\x00{3}.{8}\x86\x80.{9}\x00\$((MN2)|(MAN))', re.DOTALL)
+PAT_MICROSOFT_CAB = re.compile(br'MSCF\x00{4}')
 PAT_MICROSOFT_MZ = re.compile(br'MZ')
 PAT_MICROSOFT_PE = re.compile(br'PE\x00{2}')
 PAT_PHOENIX_TDK = re.compile(br'\$PACK\x00{3}..\x00{2}.\x00{3}', re.DOTALL)

common/pe_ops.py

@@ -0,0 +1,49 @@
+#!/usr/bin/env python3
+#coding=utf-8
+
+"""
+Copyright (C) 2022 Plato Mavropoulos
+"""
+
+import pefile
+
+from common.system import printer
+from common.text_ops import file_to_bytes
+
+# Check if input is a PE file
+def is_pe_file(in_file):
+    return bool(get_pe_file(in_file))
+
+# Get pefile object from PE file
+def get_pe_file(in_file, fast=True):
+    in_buffer = file_to_bytes(in_file)
+    
+    try:
+        # Analyze detected MZ > PE image buffer
+        pe_file = pefile.PE(data=in_buffer, fast_load=fast)
+    except:
+        pe_file = None
+    
+    return pe_file
+
+# Get PE info from pefile object
+def get_pe_info(pe_file):
+    try:
+        # When fast_load is used, IMAGE_DIRECTORY_ENTRY_RESOURCE must be parsed prior to FileInfo > StringTable
+        pe_file.parse_data_directories(directories=[pefile.DIRECTORY_ENTRY['IMAGE_DIRECTORY_ENTRY_RESOURCE']])
+        
+        # Retrieve MZ > PE > FileInfo > StringTable information
+        pe_info = pe_file.FileInfo[0][0].StringTable[0].entries
+    except:
+        pe_info = {}
+    
+    return pe_info
+
+# Print PE info from pefile StringTable
+def show_pe_info(pe_info, padding=0):
+    if type(pe_info).__name__ == 'dict':
+        for title,value in pe_info.items():
+            info_title = title.decode('utf-8','ignore').strip()
+            info_value = value.decode('utf-8','ignore').strip()
+            if info_title and info_value:
+                printer(f'{info_title}: {info_value}', padding, new_line=False)