150 lines
3.5 KiB
Python
Executable file
150 lines
3.5 KiB
Python
Executable file
#!/usr/bin/env python
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#
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# rfkill control code
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#
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# Copyright (c) 2015 Intel Corporation
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#
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# Author: Johannes Berg <johannes.berg@intel.com>
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#
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# This software may be distributed under the terms of the BSD license.
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# See README for more details.
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import struct
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import fcntl
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import os
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(TYPE_ALL,
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TYPE_WLAN,
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TYPE_BLUETOOTH,
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TYPE_UWB,
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TYPE_WIMAX,
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TYPE_WWAN,
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TYPE_GPS,
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TYPE_FM,
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TYPE_NFC) = range(9)
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(_OP_ADD,
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_OP_DEL,
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_OP_CHANGE,
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_OP_CHANGE_ALL) = range(4)
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_type_names = {
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TYPE_ALL: "all",
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TYPE_WLAN: "Wireless LAN",
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TYPE_BLUETOOTH: "Bluetooth",
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TYPE_UWB: "Ultra-Wideband",
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TYPE_WIMAX: "WiMAX",
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TYPE_WWAN: "Wireless WAN",
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TYPE_GPS: "GPS",
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TYPE_FM: "FM",
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TYPE_NFC: "NFC",
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}
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# idx, type, op, soft, hard
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_event_struct = '@IBBBB'
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_event_sz = struct.calcsize(_event_struct)
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class RFKillException(Exception):
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pass
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class RFKill(object):
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def __init__(self, idx):
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self._idx = idx
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self._type = None
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@property
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def idx(self):
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return self._idx
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@property
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def name(self):
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return open('/sys/class/rfkill/rfkill%d/name' % self._idx, 'r').read().rstrip()
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@property
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def type(self):
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if not self._type:
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for r, s, h in RFKill.list():
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if r.idx == self.idx:
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self._type = r._type
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break
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return self._type
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@property
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def type_name(self):
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return _type_names.get(self._type, "unknown")
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@property
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def blocked(self):
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l = RFKill.list()
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for r, s, h in l:
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if r.idx == self.idx:
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return (s, h)
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raise RFKillException("RFKill instance no longer exists")
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@property
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def soft_blocked(self):
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return self.blocked[0]
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@soft_blocked.setter
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def soft_blocked(self, block):
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if block:
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self.block()
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else:
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self.unblock()
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@property
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def hard_blocked(self):
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return self.blocked[1]
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def block(self):
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rfk = open('/dev/rfkill', 'w')
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s = struct.pack(_event_struct, self.idx, TYPE_ALL, _OP_CHANGE, 1, 0)
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rfk.write(s)
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rfk.close()
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def unblock(self):
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rfk = open('/dev/rfkill', 'w')
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s = struct.pack(_event_struct, self.idx, TYPE_ALL, _OP_CHANGE, 0, 0)
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rfk.write(s)
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rfk.close()
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@classmethod
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def block_all(cls, t=TYPE_ALL):
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rfk = open('/dev/rfkill', 'w')
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print rfk
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s = struct.pack(_event_struct, 0, t, _OP_CHANGE_ALL, 1, 0)
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rfk.write(s)
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rfk.close()
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@classmethod
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def unblock_all(cls, t=TYPE_ALL):
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rfk = open('/dev/rfkill', 'w')
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s = struct.pack(_event_struct, 0, t, _OP_CHANGE_ALL, 0, 0)
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rfk.write(s)
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rfk.close()
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@classmethod
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def list(cls):
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res = []
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rfk = open('/dev/rfkill', 'r')
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fd = rfk.fileno()
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flgs = fcntl.fcntl(fd, fcntl.F_GETFL)
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fcntl.fcntl(fd, fcntl.F_SETFL, flgs | os.O_NONBLOCK)
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while True:
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try:
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d = rfk.read(_event_sz)
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_idx, _t, _op, _s, _h = struct.unpack(_event_struct, d)
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if _op != _OP_ADD:
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continue
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r = RFKill(_idx)
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r._type = _t
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res.append((r, _s, _h))
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except IOError:
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break
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return res
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if __name__ == "__main__":
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for r, s, h in RFKill.list():
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print "%d: %s: %s" % (r.idx, r.name, r.type_name)
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print "\tSoft blocked: %s" % ("yes" if s else "no")
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print "\tHard blocked: %s" % ("yes" if h else "no")
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