Remove dead code

This patch removes dead code: modules that are no longer imported,
functions that are no longer called, code that has been commented out
for several years and is not needed anymore.

pynitrokey/cli/__init__.py

@@ -31,8 +31,6 @@
 from pynitrokey.confconsts import LOG_FN, LOG_FORMAT
 from pynitrokey.helpers import filter_sensitive_parameters, local_critical
 
-# from . import _patches  # noqa  (since otherwise "unused")
-
 logger = logging.getLogger(__name__)
 
 

pynitrokey/fido2/__init__.py

@@ -5,33 +5,9 @@
 from fido2.hid import CtapHidDevice
 
 from pynitrokey.exceptions import NoSoloFoundError
-
-# from pynitrokey.fido2 import hmac_secret
 from pynitrokey.fido2.client import NKFido2Client
 
 
-def hot_patch_windows_libusb() -> None:
-    # hot patch for windows libusb backend
-    olddel = usb._objfinalizer._AutoFinalizedObjectBase.__del__
-
-    def newdel(self):  # type: ignore
-        try:
-            olddel(self)
-        except OSError:
-            pass
-
-    usb._objfinalizer._AutoFinalizedObjectBase.__del__ = newdel
-
-
-# @todo: remove this, HidOverUDP is not available anymore!
-def _UDP_InternalPlatformSwitch(
-    funcname: str, *args: tuple[Any, Any], **kwargs: dict[Any, Any]
-) -> None:
-    if funcname == "__init__":
-        return HidOverUDP(*args, **kwargs)  # type: ignore
-    return getattr(HidOverUDP, funcname)(*args, **kwargs)  # type: ignore
-
-
 def find(
     solo_serial: Optional[str] = None,
     retries: int = 5,

pynitrokey/fido2/client.py

@@ -423,20 +423,6 @@ def is_bootloader(self) -> bool:
             pass
         return False
 
-    def enter_st_dfu(self) -> None:
-        """
-        If Nitrokey is configured as Nitrokey hacker or something similar,
-        this command will tell the token to boot directly to the st DFU
-        so it can be reprogrammed.  Warning, you could brick your device.
-        """
-        boot = self.is_bootloader()
-
-        if boot or self.exchange == self.exchange_u2f:
-            req = NKFido2Client.format_request(SoloBootloader.st_dfu)
-            self.send_only_hid(SoloBootloader.HIDCommandBoot, req)
-        else:
-            self.send_only_hid(SoloBootloader.HIDCommandEnterSTBoot, b"")
-
     def program_file(self, name: str) -> bytes:
         def parseField(f: str) -> bytes:
             return base64.b64decode(helpers.from_websafe(f).encode())

pynitrokey/fido2/commands.py

@@ -8,12 +8,6 @@
 # copied, modified, or distributed except according to those terms.
 
 
-class STM32L4:
-    class options:
-        nBOOT0 = 1 << 27
-        nSWBOOT0 = 1 << 26
-
-
 class SoloExtension:
     version = 0x14
     rng = 0x15
@@ -38,38 +32,3 @@ class SoloBootloader:
     HIDCommandStatus = 0x71
 
     TAG = b"\x8C\x27\x90\xf6"
-
-
-class DFU:
-    class type:
-        SEND = 0x21
-        RECEIVE = 0xA1
-
-    class bmReq:
-        DETACH = 0x00
-        DNLOAD = 0x01
-        UPLOAD = 0x02
-        GETSTATUS = 0x03
-        CLRSTATUS = 0x04
-        GETSTATE = 0x05
-        ABORT = 0x06
-
-    class state:
-        APP_IDLE = 0x00
-        APP_DETACH = 0x01
-        IDLE = 0x02
-        DOWNLOAD_SYNC = 0x03
-        DOWNLOAD_BUSY = 0x04
-        DOWNLOAD_IDLE = 0x05
-        MANIFEST_SYNC = 0x06
-        MANIFEST = 0x07
-        MANIFEST_WAIT_RESET = 0x08
-        UPLOAD_IDLE = 0x09
-        ERROR = 0x0A
-
-    class status:
-        def __init__(self, s: bytes):
-            self.status = s[0]
-            self.timeout = s[1] + (s[2] << 8) + (s[3] << 16)
-            self.state = s[4]
-            self.istring = s[5]