/usr/share/ofono/scripts/cancel-ussd is in ofono-scripts 1.17.bzr6912+16.04.20160314.3-0ubuntu1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 | #!/usr/bin/python3
import sys
import dbus
bus = dbus.SystemBus()
manager = dbus.Interface(bus.get_object('org.ofono', '/'),
'org.ofono.Manager')
modems = manager.GetModems()
if (len(sys.argv) == 2):
path = sys.argv[1]
else:
path = modems[0][0]
ussd = dbus.Interface(bus.get_object('org.ofono', path),
'org.ofono.SupplementaryServices')
properties = ussd.GetProperties()
state = properties["State"]
print("State: %s" % (state))
if state != "idle":
ussd.Cancel()
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