def parse_pfs(data):
pfs = PFSFile(data)
if not pfs.check_header():
print "Error: Cannot parse file (%s) as a Dell PFS." % args.file
return None
pfs.process()
return pfs
def parse_pfs(data):
pfs = PFSFile(data)
if not pfs.check_header():
print "Error: Cannot parse file (%s) as a Dell PFS." % args.file
return None
pfs.process()
return pfs
def load_pfs(firmware_id, data):
pfs = PFSFile(data)
if not pfs.check_header():
print "This is not a valid DELL PFS update."
sys.exit(1)
pfs.process()
### Store PFS info
if not args.force and not objects_table.get_all(firmware_id, index="object_id").is_empty().run():
print "PFS object (%s) exists." % firmware_id
return
child_ids = []
for section in pfs.objects:
section_info = section.info(include_content= True)
if not objects_table.get_all(firmware_id, index="firmware_id").filter({"guid": section_info["guid"]}).is_empty().run():
print "Skipping PFS (%s) GUID %s, object exists." % (firmware_id, section_info["guid"])
if args.test: continue
primary = objects_table.get_all(firmware_id, index="firmware_id").filter({"guid": section_info["guid"]}).\
limit(1).pluck("id").coerce_to('array').run()[0]["id"]
child_ids.append(primary)
continue
section_id = get_firmware_id(section_info["content"])
section_info["object_id"] = section_id
#for chunk in section_info["chunks"]:
# store_content(firmware_id, section_id, chunk, content_type= "pfs_chunk")
object_keys = []
if section_info["guid"] == PFS_GUIDS["FIRMWARE_VOLUMES"]:
### Brute search for volumes here
volumes = search_firmware_volumes(section_info["content"])
print volumes
for i, index in enumerate(volumes):
volume_keys = load_uefi_volume(firmware_id, section_info["content"][index-40:],
guid= section_info["guid"], order= i, generate_object_id= True)
if volume_keys is not None:
object_keys += volume_keys
else:
object_keys = store_object(firmware_id, section_info, object_type= "pfs_section")
if object_keys is not None:
child_ids += object_keys
print "Stored PFS section (%s) GUID %s." % (firmware_id, section_info["guid"])
if args.test: return
objects_table.insert({
"firmware_id": firmware_id,
"object_id": firmware_id,
"children": child_ids,
"type": "dell_pfs",
"size": len(data)
}).run()
pass
def parse_pfs(data):
print "Parsing Dell PFS.HDR update"
pfs = PFSFile(data)
if not pfs.check_header():
return
_process_show_extract(pfs)
def parse_pfs(data):
print "Parsing Dell PFS.HDR update"
pfs = PFSFile(data)
if not pfs.check_header():
return
_process_show_extract(pfs)
def load_pfs(firmware_id, data):
pfs = PFSFile(data)
if not pfs.check_header():
print "This is not a valid DELL PFS update."
sys.exit(1)
pfs.process()
### Store PFS info
if not args.force and not objects_table.get_all(
firmware_id, index="object_id").is_empty().run():
print "PFS object (%s) exists." % firmware_id
return
child_ids = []
for section in pfs.objects:
section_info = section.info(include_content=True)
if not objects_table.get_all(firmware_id, index="firmware_id").filter({
"guid":
section_info["guid"]
}).is_empty().run():
print "Skipping PFS (%s) GUID %s, object exists." % (
firmware_id, section_info["guid"])
if args.test: continue
primary = objects_table.get_all(firmware_id, index="firmware_id").filter({"guid": section_info["guid"]}).\
limit(1).pluck("id").coerce_to('array').run()[0]["id"]
child_ids.append(primary)
continue
section_id = get_firmware_id(section_info["content"])
section_info["object_id"] = section_id
#for chunk in section_info["chunks"]:
# store_content(firmware_id, section_id, chunk, content_type= "pfs_chunk")
object_keys = []
if section_info["guid"] == PFS_GUIDS["FIRMWARE_VOLUMES"]:
### Brute search for volumes here
volumes = search_firmware_volumes(section_info["content"])
print volumes
for i, index in enumerate(volumes):
volume_keys = load_uefi_volume(firmware_id,
section_info["content"][index -
40:],
guid=section_info["guid"],
order=i,
generate_object_id=True)
if volume_keys is not None:
object_keys += volume_keys
else:
object_keys = store_object(firmware_id,
section_info,
object_type="pfs_section")
if object_keys is not None:
child_ids += object_keys
print "Stored PFS section (%s) GUID %s." % (firmware_id,
section_info["guid"])
if args.test: return
objects_table.insert({
"firmware_id": firmware_id,
"object_id": firmware_id,
"children": child_ids,
"type": "dell_pfs",
"size": len(data)
}).run()
pass