mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-12-24 15:28:10 +00:00
108 lines
3.5 KiB
Python
108 lines
3.5 KiB
Python
from micropython import const
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from trezor import io, utils
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bus = io.USB(
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vendor_id=0x1209,
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product_id=0x53C1,
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release_num=0x0200,
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manufacturer="SatoshiLabs",
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product="TREZOR",
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interface="TREZOR Interface",
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usb21_landing=False,
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)
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UDP_PORT = 0
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_WIRE_PORT_OFFSET = const(0)
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_DEBUGLINK_PORT_OFFSET = const(1)
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_WEBAUTHN_PORT_OFFSET = const(2)
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_VCP_PORT_OFFSET = const(3)
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if utils.EMULATOR:
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import uos
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UDP_PORT = int(uos.getenv("TREZOR_UDP_PORT") or "21324")
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_iface_iter = iter(range(5))
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ENABLE_IFACE_DEBUG = __debug__
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ENABLE_IFACE_WEBAUTHN = not utils.BITCOIN_ONLY
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ENABLE_IFACE_VCP = __debug__
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# interface used for trezor wire protocol
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id_wire = next(_iface_iter)
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iface_wire = io.WebUSB(
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iface_num=id_wire,
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ep_in=0x81 + id_wire,
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ep_out=0x01 + id_wire,
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emu_port=UDP_PORT + _WIRE_PORT_OFFSET,
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)
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bus.add(iface_wire)
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# XXXXXXXXXXXXXXXXXXX
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#
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# We want the following branches present only in their respective firmwares. To achieve
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# that, we are taking advantage of the upy compiler static optimization: when an
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# if-expression statically evaluates to False, the branch is excluded from the bytecode.
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# This works magically for the __debug__ builtin, and `utils.BITCOIN_ONLY` is replaced
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# by a literal True/False by us in the build step.
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#
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# Therefore, each of the following needs to include the respective static expression
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# so that it can be correctly excluded from the resulting build.
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if __debug__ and ENABLE_IFACE_DEBUG:
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# interface used for debug messages with trezor wire protocol
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id_debug = next(_iface_iter)
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iface_debug = io.WebUSB(
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iface_num=id_debug,
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ep_in=0x81 + id_debug,
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ep_out=0x01 + id_debug,
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emu_port=UDP_PORT + _DEBUGLINK_PORT_OFFSET,
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)
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bus.add(iface_debug)
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if not utils.BITCOIN_ONLY and ENABLE_IFACE_WEBAUTHN:
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# interface used for FIDO/U2F and FIDO2/WebAuthn HID transport
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id_webauthn = next(_iface_iter)
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iface_webauthn = io.HID(
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iface_num=id_webauthn,
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ep_in=0x81 + id_webauthn,
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ep_out=0x01 + id_webauthn,
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emu_port=UDP_PORT + _WEBAUTHN_PORT_OFFSET,
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# fmt: off
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report_desc=bytes([
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0x06, 0xd0, 0xf1, # USAGE_PAGE (FIDO Alliance)
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0x09, 0x01, # USAGE (U2F HID Authenticator Device)
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0xa1, 0x01, # COLLECTION (Application)
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0x09, 0x20, # USAGE (Input Report Data)
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0x15, 0x00, # LOGICAL_MINIMUM (0)
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0x26, 0xff, 0x00, # LOGICAL_MAXIMUM (255)
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0x75, 0x08, # REPORT_SIZE (8)
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0x95, 0x40, # REPORT_COUNT (64)
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0x81, 0x02, # INPUT (Data,Var,Abs)
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0x09, 0x21, # USAGE (Output Report Data)
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0x15, 0x00, # LOGICAL_MINIMUM (0)
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0x26, 0xff, 0x00, # LOGICAL_MAXIMUM (255)
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0x75, 0x08, # REPORT_SIZE (8)
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0x95, 0x40, # REPORT_COUNT (64)
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0x91, 0x02, # OUTPUT (Data,Var,Abs)
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0xc0, # END_COLLECTION
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]),
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# fmt: on
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)
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bus.add(iface_webauthn)
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if __debug__ and ENABLE_IFACE_VCP:
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# interface used for cdc/vcp console emulation (debug messages)
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id_vcp = next(_iface_iter)
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id_vcp_data = next(_iface_iter)
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iface_vcp = io.VCP(
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iface_num=id_vcp,
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data_iface_num=id_vcp_data,
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ep_in=0x81 + id_vcp,
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ep_out=0x01 + id_vcp,
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ep_cmd=0x81 + id_vcp_data,
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emu_port=UDP_PORT + _VCP_PORT_OFFSET,
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)
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bus.add(iface_vcp)
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