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Code Issues Releases Wiki Activity

fido_u2f: unify handling of bogus app ids

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This commit is contained in:
Jan Pochyla 2018-07-24 13:07:31 +02:00
parent 934b32707c
commit a932816a25
1 changed files with 14 additions and 19 deletions
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33
src/apps/fido_u2f/__init__.py
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@ -382,18 +382,20 @@ class ConfirmState:
from trezor.ui.confirm import ConfirmDialog, CONFIRMED
from trezor.ui.text import Text
if bytes(self.app_id) == _BOGUS_APPID:
text = Text("U2F mismatch", ui.ICON_WRONG, icon_color=ui.RED)
app_id = bytes(self.app_id) # could be bytearray, which doesn't have __hash__
if app_id == _BOGUS_APPID and self.action == _CONFIRM_REGISTER:
text = Text("U2F", ui.ICON_WRONG, icon_color=ui.RED)
text.normal(
"Another U2F device", "was used to register", "in this application."
)
text.render()
await loop.sleep(3 * 1000 * 1000)
self.confirmed = True
dialog = ConfirmDialog(text)
else:
content = ConfirmContent(self.action, self.app_id)
content = ConfirmContent(self.action, app_id)
dialog = ConfirmDialog(content)
self.confirmed = await dialog == CONFIRMED
self.confirmed = await dialog == CONFIRMED
class ConfirmContent(ui.Widget):
@ -409,24 +411,17 @@ class ConfirmContent(ui.Widget):
from trezor import res
from apps.fido_u2f import knownapps
app_id = bytes(self.app_id) # could be bytearray, which doesn't have __hash__
if app_id == _BOGUS_APPID:
# TODO: display a warning dialog for bogus app ids
name = "Another U2F device"
icon = res.load("apps/fido_u2f/res/u2f_generic.toif") # TODO: warning icon
elif app_id in knownapps.knownapps:
name = knownapps.knownapps[app_id]
if self.app_id in knownapps.knownapps:
name = knownapps.knownapps[self.app_id]
try:
icon = res.load(
"apps/fido_u2f/res/u2f_%s.toif" % name.lower().replace(" ", "_")
)
namepart = name.lower().replace(" ", "_")
icon = res.load("apps/fido_u2f/res/u2f_%s.toif" % namepart)
except Exception:
icon = res.load("apps/fido_u2f/res/u2f_generic.toif")
else:
name = "%s...%s" % (
hexlify(app_id[:4]).decode(),
hexlify(app_id[-4:]).decode(),
hexlify(self.app_id[:4]).decode(),
hexlify(self.app_id[-4:]).decode(),
)
icon = res.load("apps/fido_u2f/res/u2f_generic.toif")
self.app_name = name