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Add autolun and skip

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This commit is contained in:
Bjoern Kerler 2019-11-27 21:26:44 +01:00
parent bd8265c23c
commit 94930b4e99
4 changed files with 83 additions and 52 deletions
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3
Library/firehose.py
View file

@ -254,7 +254,8 @@ class qualcomm_firehose:
if (rsp[0])==True:
if "value" in rsp[1]:
if rsp[1]["value"]=="NAK":
logger.error(rsp[2].decode('utf-8'))
if Display:
logger.error(rsp[2].decode('utf-8'))
return ""
bytesToRead=self.cfg.SECTOR_SIZE_IN_BYTES*num_partition_sectors
total=bytesToRead

7
Library/gpt.py
View file

@ -14,7 +14,9 @@ class gpt:
('first_usable_lba', 'Q'),
('last_usable_lba', 'Q'),
('disk_guid', '16s'),
('part_entry_start_lba', 'Q')
('part_entry_start_lba', 'Q'),
('num_part_entries', 'I'),
('part_entry_size', 'I')
]
gpt_partition = [
@ -116,11 +118,12 @@ class gpt:
self.num_part_entries = num_part_entries
self.part_entry_size = part_entry_size
self.part_entry_start_lba = part_entry_start_lba
'''
if num_part_entries is 0:
self.gpt_header += [('num_part_entries', 'I'),]
if part_entry_size is 0:
self.gpt_header += [('part_entry_size', 'I'),]
'''
def parse(self, gptdata, sectorsize=512):
self.header = read_object(gptdata[sectorsize:sectorsize+0x5C], self.gpt_header)

10
README.md
View file

@ -41,7 +41,7 @@ Windows:
- "./edl.py rs 0 15 data.bin" -> to dump 15 sectors from starting sector 0 to file data.bin for device with emmc
- "./edl.py r boot_a boot.img" -> to dump the partition "boot_a" to the filename boot.img for device with emmc
- "./edl.py footer footer.bin" -> to dump the crypto footer for Androids with emmc flash
- "./edl.py w boot boot.img" -> to write boot.img to the "boot" partition on lun 0 on the device with emmc flash
- "./edl.py w boot_a boot.img" -> to write boot.img to the "boot" partition on lun 0 on the device with emmc flash
- "./edl.py wl dumps" -> to write all files from "dumps" folder to according partitions to flash
- "./edl.py wf dump.bin" -> to write the rawimage dump.bin to flash
- "./edl.py e misc" -> to erase the partition misc on emmc flash
@ -51,12 +51,14 @@ Windows:
- "./edl.py printgpt --memory=ufs --lun=0" -> to print gpt on lun 0 on device with ufs
- "./edl.py rf lun0.bin --memory=ufs --lun=0" -> to dump whole lun 0 for device with ufs
- "./edl.py rl dumps --memory=ufs --lun=0 --skip=userdata" -> to dump all partitions from lun0 to directory dumps for device with ufs and skip userdata partition
- "./edl.py rl dumps --memory=ufs --lun=0 --skip=userdata,vendor_a" -> to dump all partitions from lun0 to directory dumps for device with ufs and skip userdata and vendor_a partition
- "./edl.py rl dumps --memory=ufs --autolun --skip=userdata" -> to dump all partitions from all lun to directory dumps for device with ufs and skip userdata partition
- "./edl.py rs 0 15 data.bin --memory=ufs --lun=0" -> to dump 15 sectors from starting sector 0 from lun 0 to file data.bin for device with emmc
- "./edl.py r boot_a boot.img --memory=ufs --lun=4" -> to dump the partition "boot_a" from lun 4 to the filename boot.img for device with emmc
- "./edl.py footer footer.bin --memory=ufs --lun=4" -> to dump the crypto footer for Androids from lun4
- "./edl.py w boot boot.img --memory=ufs --lun=0" -> to write boot.img to the "boot" partition on lun 0 on the device with ufs flash
- "./edl.py footer footer.bin --memory=ufs --lun=0" -> to dump the crypto footer for Androids from lun 0
- "./edl.py w boot boot.img --memory=ufs --lun=4" -> to write boot.img to the "boot" partition on lun 4 on the device with ufs flash
- "./edl.py wl dumps --memory=ufs --lun=0" -> to write all files from "dumps" folder to according partitions to flash lun 0
- "./edl.py wl dumps --memory=ufs --autolun" -> to write all files from "dumps" folder to according partitions to flash and try to autodetect lun
- "./edl.py wf dump.bin --memory=ufs --lun=0" -> to write the rawimage dump.bin to flash lun 0
- "./edl.py e misc --memory=ufs --lun=0" -> to erase the partition misc on lun 0

115
edl.py
View file

@ -10,14 +10,14 @@ Usage:
edl.py [--gpt-num-part-entries=number] [--gpt-part-entry-size=number] [--gpt-part-entry-start-lba=number]
edl.py [--memory=memtype] [--skipstorageinit] [--maxpayload=bytes] [--sectorsize==bytes]
edl.py server [--tcpport=portnumber]
edl.py printgpt [--lun=lun]
edl.py printgpt [--memory=memtype] [--lun=lun]
edl.py gpt <filename> [--memory=memtype] [--lun=lun]
edl.py r <partitionname> <filename> [--memory=memtype] [--lun=lun]
edl.py rl <directory> [--memory=memtype] [--lun=lun] [--skip=partname]
edl.py rl <directory> [--memory=memtype] [--lun=lun] [--skip=partnames] [--autolun]
edl.py rf <filename> [--memory=memtype] [--lun=lun]
edl.py rs <start_sector> <sectors> <filename> [--lun=lun]
edl.py w <partitionname> <filename> [--memory=memtype] [--lun=lun] [--skipwrite]
edl.py wl <directory> [--memory=memtype] [--lun=lun]
edl.py wl <directory> [--memory=memtype] [--lun=lun] [--skip=partnames] [--autolun]
edl.py wf <filename> [--memory=memtype] [--lun=lun]
edl.py ws <start_sector> <filename> [--memory=memtype] [--lun=lun] [--skipwrite]
edl.py e <partitionname> [--memory=memtype] [--skipwrite] [--lun=lun]
@ -45,7 +45,7 @@ Usage:
Description:
server [--tcpport=portnumber] # Run tcp/ip server
printgpt [--lun=lun] # Print GPT Table information
printgpt [--memory=memtype] [--lun=lun] # Print GPT Table information
gpt <filename> [--memory=memtype] [--lun=lun] # Save gpt table to file
r <partitionname> <filename> [--memory=memtype] [--lun=lun] # Read flash to filename
rl <directory> [--memory=memtype] [--lun=lun] [--skip=partname] # Read all partitions from flash to a directory
@ -93,7 +93,7 @@ Options:
--gpt-part-entry-size=number Set GPT entry size [default: 0]
--gpt-part-entry-start-lba=number Set GPT entry start lba sector [default: 0]
--tcpport=portnumber Set port for tcp server [default:1340]
--skip=partname Skip reading partition with name "partname"
--skip=partnames Skip reading partition with names "partname1,partname2,etc."
"""
print("Qualcomm Sahara / Firehose Client (c) B.Kerler 2018-2019.")
@ -1037,13 +1037,13 @@ def handle_firehose(args, cdc, sahara):
TargetName = msmids[hwid]
if args["gpt"]:
lun=int(args["<lun>"])
lun=int(args["--lun"])
filename = args["<filename>"]
fh.cmd_read(lun, 0, 0x4000 // cfg.SECTOR_SIZE_IN_BYTES, filename)
print(f"Dumped GPT to {filename}")
exit(0)
elif args["printgpt"]:
lun=int(args["<lun>"])
lun=int(args["--lun"])
guid_gpt = fh.get_gpt(lun, int(args["--gpt-num-part-entries"]), int(args["--gpt-part-entry-size"]),
int(args["--gpt-part-entry-start-lba"]))
if guid_gpt == None:
@ -1074,22 +1074,37 @@ def handle_firehose(args, cdc, sahara):
elif args["rl"]:
lun = int(args["--lun"])
directory = args["<directory>"]
skip = args["--skip"]
guid_gpt = fh.get_gpt(lun, int(args["--gpt-num-part-entries"]), int(args["--gpt-part-entry-size"]),
int(args["--gpt-part-entry-start-lba"]))
if guid_gpt == None:
logger.error("Error on reading GPT, maybe wrong memoryname given ?")
skip = args["--skip"].split(",")
autolun = args["--autolun"]
luns=[]
if autolun and not args["--memory"].lower()=="emmc":
for i in range(0,99):
luns.append(i)
else:
if not os.path.exists(directory):
os.mkdir(directory)
for partition in guid_gpt.partentries:
partitionname=partition.name
if skip==partition.name:
continue
filename=os.path.join(directory,partitionname+".bin")
logging.info(f"Dumping partition {str(partition.name)} with sector count {str(partition.sectors)} as {filename}.")
fh.cmd_read(lun, partition.sector, partition.sectors, filename)
exit(0)
luns=[lun]
if not os.path.exists(directory):
os.mkdir(directory)
for slun in luns:
guid_gpt = fh.get_gpt(slun, int(args["--gpt-num-part-entries"]), int(args["--gpt-part-entry-size"]),
int(args["--gpt-part-entry-start-lba"]))
if guid_gpt == None:
break
else:
if len(luns)>1:
storedir=os.path.join(directory,"lun"+str(slun))
else:
storedir=directory
if not os.path.exists(storedir):
os.mkdir(storedir)
for partition in guid_gpt.partentries:
partitionname=partition.name
if partition.name in skip:
continue
filename=os.path.join(storedir,partitionname+".bin")
logging.info(f"Dumping partition {str(partition.name)} with sector count {str(partition.sectors)} as {filename}.")
fh.cmd_read(slun, partition.sector, partition.sectors, filename)
exit(0)
elif args["rf"]:
lun = int(args["--lun"])
@ -1359,7 +1374,15 @@ def handle_firehose(args, cdc, sahara):
exit(0)
elif args["wl"]:
directory=args["<directory>"]
lun = int(args["--lun"])
skip = args["--skip"].split(",")
luns = []
autolun=args["--autolun"]
if autolun:
for i in range(0,99):
luns.append(i)
else:
luns=[int(args["--lun"])]
if not os.path.exists(directory):
logger.error(f"Error: Couldn't find directory: {directory}")
exit(0)
@ -1367,29 +1390,31 @@ def handle_firehose(args, cdc, sahara):
for dirName, subdirList, fileList in os.walk(directory):
for fname in fileList:
filenames.append(os.path.join(dirName, fname))
guid_gpt = fh.get_gpt(lun, int(args["--gpt-num-part-entries"]), int(args["--gpt-part-entry-size"]),
int(args["--gpt-part-entry-start-lba"]))
if guid_gpt == None:
logger.error("Error on reading GPT, maybe wrong memoryname given ?")
else:
if "partentries" in dir(guid_gpt):
for filename in filenames:
for partition in guid_gpt.partentries:
partname=filename[filename.rfind("/")+1:]
if ".bin" in partname[-4:]:
partname=partname[:-4]
if partition.name == partname:
sectors = os.stat(filename).st_size // fh.cfg.SECTOR_SIZE_IN_BYTES
if (os.stat(filename).st_size % fh.cfg.SECTOR_SIZE_IN_BYTES) > 0:
sectors += 1
if sectors > partition.sectors:
logger.error(f"Error: {filename} has {sectors} sectors but partition only has {partition.sectors}.")
exit(0)
print(f"Writing {filename} to partition {str(partition.name)}.")
fh.cmd_write(lun, partition.sector, filename)
for lun in luns:
guid_gpt = fh.get_gpt(lun, int(args["--gpt-num-part-entries"]), int(args["--gpt-part-entry-size"]),
int(args["--gpt-part-entry-start-lba"]))
if guid_gpt == None:
break
else:
print("Couldn't write partition. Either wrong memorytype given or no gpt partition.")
if "partentries" in dir(guid_gpt):
for filename in filenames:
for partition in guid_gpt.partentries:
partname=filename[filename.rfind("/")+1:]
if ".bin" in partname[-4:]:
partname=partname[:-4]
if partition.name == partname:
if partition.name in skip:
continue
sectors = os.stat(filename).st_size // fh.cfg.SECTOR_SIZE_IN_BYTES
if (os.stat(filename).st_size % fh.cfg.SECTOR_SIZE_IN_BYTES) > 0:
sectors += 1
if sectors > partition.sectors:
logger.error(f"Error: {filename} has {sectors} sectors but partition only has {partition.sectors}.")
exit(0)
print(f"Writing {filename} to partition {str(partition.name)}.")
fh.cmd_write(lun, partition.sector, filename)
else:
print("Couldn't write partition. Either wrong memorytype given or no gpt partition.")
exit(0)
elif args["ws"]:
lun = int(args["--lun"])