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Dell PFS BIOS Extractor v4.6

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Fixed crash when PFS filenames include Windows reserved characters
Fixed PFS Entry Version Type display typo, thanks to @vuquangtrong
This commit is contained in:
Plato Mavropoulos 2020-10-07 15:40:38 +03:00
parent e61e4b7bed
commit 65b26c48a9
1 changed files with 11 additions and 10 deletions
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21
Dell PFS BIOS Extractor/Dell_PFS_Extract.py
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@ -7,7 +7,7 @@ Copyright (C) 2019-2020 Plato Mavropoulos
Inspired from https://github.com/LongSoft/PFSExtractor-RS by Nikolaj Schlej
"""
title = 'Dell PFS BIOS Extractor v4.5'
title = 'Dell PFS BIOS Extractor v4.6'
import os
import re
@ -74,7 +74,7 @@ class PFS_ENTRY(ctypes.LittleEndianStructure) :
def pfs_print(self) :
GUID = ''.join('%0.8X' % int.from_bytes(struct.pack('<I', val), 'little') for val in reversed(self.GUID))
VersionType = ''.join('%0.4X' % int.from_bytes(struct.pack('<I', val), 'little') for val in reversed(self.VersionType))
VersionType = ''.join('%0.2X' % int.from_bytes(struct.pack('<I', val), 'little') for val in reversed(self.VersionType))
Version = ''.join('%0.4X' % int.from_bytes(struct.pack('<I', val), 'little') for val in reversed(self.Version))
Unknown = ''.join('%0.8X' % int.from_bytes(struct.pack('<I', val), 'little') for val in reversed(self.Unknown))
@ -108,7 +108,7 @@ class PFS_ENTRY_R2(ctypes.LittleEndianStructure) :
def pfs_print(self) :
GUID = ''.join('%0.8X' % int.from_bytes(struct.pack('<I', val), 'little') for val in reversed(self.GUID))
VersionType = ''.join('%0.4X' % int.from_bytes(struct.pack('<I', val), 'little') for val in reversed(self.VersionType))
VersionType = ''.join('%0.2X' % int.from_bytes(struct.pack('<I', val), 'little') for val in reversed(self.VersionType))
Version = ''.join('%0.4X' % int.from_bytes(struct.pack('<I', val), 'little') for val in reversed(self.Version))
Unknown = ''.join('%0.8X' % int.from_bytes(struct.pack('<I', val), 'little') for val in reversed(self.Unknown))
@ -634,7 +634,8 @@ def pfs_extract(buffer, pfs_index, pfs_name, pfs_count) :
data_ext = '.data.bin' if is_advanced else '.bin' # Simpler Data Extension for non-advanced users
meta_ext = '.meta.bin' if is_advanced else '.bin' # Simpler Metadata Extension for non-advanced users
full_name = '%d%s -- %d %s v%s' % (pfs_index, pfs_name, file_index, file_name, file_version)
full_name = '%d%s -- %d %s v%s' % (pfs_index, pfs_name, file_index, file_name, file_version) # Full Entry Name
safe_name = re.sub(r'[\\/*?:"<>|]', '_', full_name) # Replace common Windows reserved/illegal filename characters
is_zlib = True if file_type == 'ZLIB' else False # Determine if PFS Entry Data was zlib-compressed
@ -644,13 +645,13 @@ def pfs_extract(buffer, pfs_index, pfs_name, pfs_count) :
# Some Data may be Text or XML files with useful information for non-advanced users
is_text, final_data, file_ext, write_mode = bin_is_text(file_data, file_type, False, is_advanced)
final_name = '%s%s' % (full_name, data_ext[:-4] + file_ext if is_text else data_ext)
final_name = '%s%s' % (safe_name, data_ext[:-4] + file_ext if is_text else data_ext)
final_path = os.path.join(output_path, final_name)
with open(final_path, write_mode) as o : o.write(final_data) # Write final Data
if file_data_sig and is_advanced : # Store Data Signature (advanced users only)
final_name = '%s.data.sig' % full_name
final_name = '%s.data.sig' % safe_name
final_path = os.path.join(output_path, final_name)
with open(final_path, 'wb') as o : o.write(file_data_sig) # Write final Data Signature
@ -661,13 +662,13 @@ def pfs_extract(buffer, pfs_index, pfs_name, pfs_count) :
# Some Data may be Text or XML files with useful information for non-advanced users
is_text, final_data, file_ext, write_mode = bin_is_text(file_meta, file_type, True, is_advanced)
final_name = '%s%s' % (full_name, meta_ext[:-4] + file_ext if is_text else meta_ext)
final_name = '%s%s' % (safe_name, meta_ext[:-4] + file_ext if is_text else meta_ext)
final_path = os.path.join(output_path, final_name)
with open(final_path, write_mode) as o : o.write(final_data) # Write final Data Metadata
if file_meta_sig and is_advanced : # Store Metadata Signature (advanced users only)
final_name = '%s.meta.sig' % full_name
final_name = '%s.meta.sig' % safe_name
final_path = os.path.join(output_path, final_name)
with open(final_path, 'wb') as o : o.write(file_meta_sig) # Write final Data Metadata Signature
@ -770,7 +771,7 @@ def show_exception_and_exit(exc_type, exc_value, tb) :
sys.exit(1)
# Set pause-able Python exception hander
# Set pause-able Python exception handler
sys.excepthook = show_exception_and_exit
# Show script title
@ -824,7 +825,7 @@ for input_file in pfs_exec :
input_name,input_extension = os.path.splitext(os.path.basename(input_file))
input_dir = os.path.dirname(os.path.abspath(input_file))
print('\nFile: %s%s' % (input_name, input_extension))
print('\n*** %s%s' % (input_name, input_extension))
# Check if input file exists
if not os.path.isfile(input_file) :