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#!/usr/bin/python
#
# Bluetooth PIN helper
# Written by Maxim Krasnyansky <maxk@qualcomm.com>
#
import sys, os, string, popen2
# X Display initialization.
# Find running X Server and parse it's arguments.
# Set enviroment variables DISPLAY and XAUTHORITY
# using info extracted from X Server args.
#
def set_display():
disp = ":0"
auth = ""
ps = "/bin/ps -C X --format args --no-headers"
r,w = popen2.popen2(ps)
arg = string.split(r.read())
for i in range(1, len(arg)):
if arg[i][0] != '-':
disp = arg[i]
elif arg[i] == "-auth":
auth = arg[i+1]
break
os.environ['DISPLAY'] = disp
os.environ['XAUTHORITY'] = auth
# Set X display before initializing GTK
set_display()
from gtk import *
# Dialog Class
DLG_OK = 1
DLG_CANCEL = 2
class Dialog(GtkDialog):
result = DLG_CANCEL
args = {}
def __init__(self, modal=FALSE, mesg=None, args = {}):
GtkDialog.__init__(self)
self.args = args
self.set_modal(modal)
self.set_usize(400, 0)
self.set_uposition(300,300)
self.connect("destroy", self.quit)
self.connect("delete_event", self.quit)
self.action_area.set_border_width(2)
ok = GtkButton("Accept")
ok.connect("clicked", self.ok)
self.action_area.pack_start(ok, padding = 20)
ok.show()
cl = GtkButton("Reject")
cl.connect("clicked", self.cancel)
self.action_area.pack_start(cl, padding = 20)
cl.show()
if mesg:
msg = GtkLabel()
msg.set_text(mesg)
self.vbox.pack_start(msg, padding = 10)
msg.show()
self.ents = []
for k in self.args.keys():
hbox = GtkHBox()
hbox.set_border_width(5)
self.vbox.pack_start(hbox)
hbox.show()
l = GtkLabel()
e = GtkEntry()
l.set_text( k )
e.set_text( self.args[k] )
e.connect("key_press_event", self.key_press)
hbox.pack_start(l, padding = 10, expand = FALSE)
hbox.pack_start(e)
l.show()
e.show()
self.ents.append( (k, e) )
self.ents[0][1].grab_focus()
def key_press(self, entry, event):
if event.keyval == GDK.Return:
entry.emit_stop_by_name("key_press_event")
self.ok()
elif event.keyval == GDK.Escape:
entry.emit_stop_by_name("key_press_event")
self.cancel()
def ok(self, *args):
self.result = DLG_OK
for e in self.ents:
k = e[0]
self.args[k] = e[1].get_text()
self.quit()
def cancel(self, *args):
self.result = DLG_CANCEL
self.quit()
def quit(self, *args):
self.hide()
self.destroy()
mainquit()
def dialog(title, mesg, args, modal = FALSE):
dlg = Dialog(args = args, mesg = mesg, modal = modal)
dlg.set_title(title)
dlg.show()
mainloop()
return dlg.result
def main(*args):
if len(sys.argv) < 2:
print "ERR"
sys.exit()
dir = sys.argv[1]
bdaddr = sys.argv[2]
if len(sys.argv) > 3:
name = sys.argv[3]
else:
name = ""
title = "Bluetooth PIN Code"
# Bluetooth spec recommends automatic strong random PIN generation.
# So eventually we should implement that.
pin = { "PIN": "" }
if dir == "out":
mesg = "Outgoing connection to "
else:
mesg = "Incomming connection from "
mesg = mesg + name + "[" + bdaddr + "]"
if dialog(title, mesg, pin) == DLG_OK:
pin["PIN"] = string.strip(pin["PIN"])
if len(pin["PIN"]) >= 4 and len(pin["PIN"]) <=16:
print "PIN:" + pin["PIN"]
else:
print "ERR"
else:
print "ERR"
#
main()
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