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-rwxr-xr-xreversing_tools/abbott/extract_freestyle.py109
-rwxr-xr-xreversing_tools/abbott/freestyle_hid_console.py42
2 files changed, 100 insertions, 51 deletions
diff --git a/reversing_tools/abbott/extract_freestyle.py b/reversing_tools/abbott/extract_freestyle.py
index 1227de1..8e1c0d2 100755
--- a/reversing_tools/abbott/extract_freestyle.py
+++ b/reversing_tools/abbott/extract_freestyle.py
@@ -28,48 +28,76 @@ import usbmon.pcapng
_KEEPALIVE_TYPE = 0x22
_UNENCRYPTED_TYPES = (
- 0x01, 0x04, 0x05, 0x06, 0x0c, 0x0d,
- 0x14, 0x15,
- 0x33, 0x34, 0x35,
+ 0x01,
+ 0x04,
+ 0x05,
+ 0x06,
+ 0x0C,
+ 0x0D,
+ 0x14,
+ 0x15,
+ 0x33,
+ 0x34,
+ 0x35,
0x71,
_KEEPALIVE_TYPE,
)
-_ABBOTT_VENDOR_ID = 0x1a61
+_ABBOTT_VENDOR_ID = 0x1A61
_LIBRE2_PRODUCT_ID = 0x3950
-
def main():
if sys.version_info < (3, 7):
- raise Exception(
- 'Unsupported Python version, please use at least Python 3.7.')
+ raise Exception("Unsupported Python version, please use at least Python 3.7.")
parser = argparse.ArgumentParser()
parser.add_argument(
- '--device_address', action='store', type=str,
- help=('Device address (busnum.devnum) of the device to extract capture'
- 'of. If none provided, device descriptors will be relied on.'))
+ "--device_address",
+ action="store",
+ type=str,
+ help=(
+ "Device address (busnum.devnum) of the device to extract capture"
+ "of. If none provided, device descriptors will be relied on."
+ ),
+ )
parser.add_argument(
- '--encrypted_protocol', action='store_true',
- help=('Whether to expect encrypted protocol in the capture.'
- ' Ignored if the device descriptors are present in the capture.'))
+ "--encrypted_protocol",
+ action="store_true",
+ help=(
+ "Whether to expect encrypted protocol in the capture."
+ " Ignored if the device descriptors are present in the capture."
+ ),
+ )
parser.add_argument(
- '--vlog', action='store', required=False, type=int,
- help=('Python logging level. See the levels at '
- 'https://docs.python.org/3/library/logging.html#logging-levels'))
+ "--vlog",
+ action="store",
+ required=False,
+ type=int,
+ help=(
+ "Python logging level. See the levels at "
+ "https://docs.python.org/3/library/logging.html#logging-levels"
+ ),
+ )
parser.add_argument(
- '--print_keepalive', action='store_true',
- help=('Whether to print the keepalive messages sent by the device. '
- 'Keepalive messages are usually safely ignored.'))
+ "--print_keepalive",
+ action="store_true",
+ help=(
+ "Whether to print the keepalive messages sent by the device. "
+ "Keepalive messages are usually safely ignored."
+ ),
+ )
parser.add_argument(
- 'pcap_file', action='store', type=str,
- help='Path to the pcapng file with the USB capture.')
+ "pcap_file",
+ action="store",
+ type=str,
+ help="Path to the pcapng file with the USB capture.",
+ )
args = parser.parse_args()
@@ -82,15 +110,18 @@ def main():
if descriptor.vendor_id == _ABBOTT_VENDOR_ID:
if args.device_address and args.device_address != descriptor.address:
raise Exception(
- 'Multiple Abbott device present in capture, please'
- ' provide a --device_address flag.')
+ "Multiple Abbott device present in capture, please"
+ " provide a --device_address flag."
+ )
args.device_address = descriptor.address
descriptor = session.device_descriptors.get(args.device_address, None)
if not descriptor:
logging.warning(
f"Unable to find device %s in the capture's descriptors."
- " Assuming non-encrypted protocol.", args.device_address)
+ " Assuming non-encrypted protocol.",
+ args.device_address,
+ )
else:
assert descriptor.vendor_id == _ABBOTT_VENDOR_ID
@@ -102,15 +133,17 @@ def main():
if not first.type == usbmon.constants.PacketType.SUBMISSION:
continue
- if not first.address.startswith(f'{args.device_address}.'):
+ if not first.address.startswith(f"{args.device_address}."):
# No need to check second, they will be linked.
continue
if first.xfer_type == usbmon.constants.XferType.INTERRUPT:
pass
- elif (first.xfer_type == usbmon.constants.XferType.CONTROL and
- not first.setup_packet or
- first.setup_packet.type == usbmon.setup.Type.CLASS):
+ elif (
+ first.xfer_type == usbmon.constants.XferType.CONTROL
+ and not first.setup_packet
+ or first.setup_packet.type == usbmon.setup.Type.CLASS
+ ):
pass
else:
continue
@@ -133,19 +166,19 @@ def main():
if args.encrypted_protocol and message_type not in _UNENCRYPTED_TYPES:
# When expecting encrypted communication), we ignore the
# message_length and we keep it with the whole message.
- message_type = f'x{message_type:02x}'
+ message_type = f"x{message_type:02x}"
message = packet.payload[1:]
else:
message_length = packet.payload[1]
- message_type = f' {message_type:02x}'
- message = packet.payload[2:2+message_length]
-
- print(usbmon.chatter.dump_bytes(
- packet.direction,
- message,
- prefix=f'[{message_type}]',
- print_empty=True,
- ), '\n')
+ message_type = f" {message_type:02x}"
+ message = packet.payload[2 : 2 + message_length]
+
+ print(
+ usbmon.chatter.dump_bytes(
+ packet.direction, message, prefix=f"[{message_type}]", print_empty=True,
+ ),
+ "\n",
+ )
if __name__ == "__main__":
diff --git a/reversing_tools/abbott/freestyle_hid_console.py b/reversing_tools/abbott/freestyle_hid_console.py
index 4697da9..5005e4a 100755
--- a/reversing_tools/abbott/freestyle_hid_console.py
+++ b/reversing_tools/abbott/freestyle_hid_console.py
@@ -9,22 +9,37 @@ import sys
from glucometerutils import exceptions
from glucometerutils.support import freestyle
+
def main():
parser = argparse.ArgumentParser()
parser.add_argument(
- '--text_cmd_type', action='store', type=int, default=0x60,
- help='Message type for text commands sent to the device.')
+ "--text_cmd_type",
+ action="store",
+ type=int,
+ default=0x60,
+ help="Message type for text commands sent to the device.",
+ )
parser.add_argument(
- '--text_reply_type', action='store', type=int, default=0x60,
- help='Message type for text replies received from the device.')
+ "--text_reply_type",
+ action="store",
+ type=int,
+ default=0x60,
+ help="Message type for text replies received from the device.",
+ )
parser.add_argument(
- 'device', action='store',
- help='Path to the HID device to open.')
+ "device", action="store", help="Path to the HID device to open."
+ )
parser.add_argument(
- '--vlog', action='store', required=False, type=int,
- help=('Python logging level. See the levels at '
- 'https://docs.python.org/3/library/logging.html#logging-levels'))
+ "--vlog",
+ action="store",
+ required=False,
+ type=int,
+ help=(
+ "Python logging level. See the levels at "
+ "https://docs.python.org/3/library/logging.html#logging-levels"
+ ),
+ )
args = parser.parse_args()
@@ -38,15 +53,16 @@ def main():
while True:
if sys.stdin.isatty():
- command = input('>>> ')
+ command = input(">>> ")
else:
command = input()
- print('>>> {command}'.format(command=command))
+ print(">>> {command}".format(command=command))
try:
- print(device._send_text_command(bytes(command, 'ascii')))
+ print(device._send_text_command(bytes(command, "ascii")))
except exceptions.InvalidResponse as error:
- print('! {error}'.format(error=error))
+ print("! {error}".format(error=error))
+
if __name__ == "__main__":
main()