File: netentry_curses.py

package info (click to toggle)
wicd 1.7.4+tb2-5~deb9u1
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 4,240 kB
  • sloc: python: 11,062; sh: 774; makefile: 40
file content (665 lines) | stat: -rw-r--r-- 25,892 bytes parent folder | download | duplicates (2)
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
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
#!/usr/bin/env python
"""
    netentry_curses -- everyone's favorite networks settings dialogs... in text
    form!
"""

#       Copyright (C) 2009 Andrew Psaltis

#       This program is free software; you can redistribute it and/or modify
#       it under the terms of the GNU General Public License as published by
#       the Free Software Foundation; either version 2 of the License, or
#       (at your option) any later version.
#
#       This program is distributed in the hope that it will be useful,
#       but WITHOUT ANY WARRANTY; without even the implied warranty of
#       MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#       GNU General Public License for more details.
#
#       You should have received a copy of the GNU General Public License
#       along with this program; if not, write to the Free Software
#       Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
#       MA 02110-1301, USA.

import urwid
from curses_misc import DynWrap, MaskingEdit, ComboBox, error
import wicd.misc as misc
from wicd.misc import noneToString, stringToNone, noneToBlankString, to_bool

from wicd.translations import language, _
import os

daemon = None
wired = None
wireless = None


# Call this first!
def dbus_init(dbus_ifaces):
    """ Initialize DBus interfaces. """
    global daemon, wired, wireless
    daemon = dbus_ifaces['daemon']
    wired = dbus_ifaces['wired']
    wireless = dbus_ifaces['wireless']


class AdvancedSettingsDialog(urwid.WidgetWrap):
    """
    Settings dialog.

    Both the wired and the wireless settings preferences dialogs use some of the
    same fields.
    This will be used to produce the individual network settings dialogs way far
    below.
    """
    # pylint: disable-msg=W0231
    def __init__(self):
        self.ui = None
        self.body = None

        self.wired = None
        self.networkid = None

        self.encryption_info = None
        self.encryption_combo = None
        self.encrypt_types = None
        self.encryption_chkbox = None

        static_ip_t = _('Use Static IPs')
        ip_t = ('editcp', _('IP') + ':     ')
        netmask_t = ('editcp', _('Netmask') + ':')
        gateway_t = ('editcp', _('Gateway') + ':')

        use_static_dns_t = _('Use Static DNS')
        use_global_dns_t = _('Use global DNS servers')
        dns_dom_t = ('editcp', _('DNS domain') + ':   ')
        search_dom_t = ('editcp', _('Search domain') + ':')
        dns1_t = ('editcp', _('DNS server') + ' 1' + ':' + ' ' * 8)
        dns2_t = ('editcp', _('DNS server') + ' 2' + ':' + ' ' * 8)
        dns3_t = ('editcp', _('DNS server') + ' 3' + ':' + ' ' * 8)

        use_dhcp_h_t = _('Use DHCP Hostname')
        dhcp_h_t = ('editcp', _('DHCP Hostname') + ': ')

        cancel_t = _('Cancel')
        ok_t = _('OK')

        self.static_ip_cb = urwid.CheckBox(static_ip_t,
                on_state_change=self.static_ip_toggle)
        self.ip_edit = DynWrap(urwid.Edit(ip_t), False)
        self.netmask_edit = DynWrap(urwid.Edit(netmask_t), False)
        self.gateway_edit = DynWrap(urwid.Edit(gateway_t), False)

        self.static_dns_cb = DynWrap(
            urwid.CheckBox(use_static_dns_t, on_state_change=self.dns_toggle),
            True,
            ('body', 'editnfc'),
            None
        )
        self.global_dns_cb = DynWrap(
            urwid.CheckBox(use_global_dns_t, on_state_change=self.dns_toggle),
            False,
            ('body', 'editnfc'),
            None
        )
        self.checkb_cols = urwid.Columns([
            self.static_dns_cb,
            self.global_dns_cb
        ])
        self.dns_dom_edit = DynWrap(urwid.Edit(dns_dom_t), False)
        self.search_dom_edit = DynWrap(urwid.Edit(search_dom_t), False)
        self.dns1 = DynWrap(urwid.Edit(dns1_t), False)
        self.dns2 = DynWrap(urwid.Edit(dns2_t), False)
        self.dns3 = DynWrap(urwid.Edit(dns3_t), False)

        self.use_dhcp_h = urwid.CheckBox(
            use_dhcp_h_t,
            False,
            on_state_change=self.use_dhcp_h_toggle
        )
        self.dhcp_h = DynWrap(urwid.Edit(dhcp_h_t), False)

        _blank = urwid.Text('')

        walker = urwid.SimpleListWalker([
            self.static_ip_cb,
            self.ip_edit,
            self.netmask_edit,
            self.gateway_edit,
            _blank,
            self.checkb_cols,
            self.dns_dom_edit,
            self.search_dom_edit,
            self.dns1, self.dns2, self.dns3,
            _blank,
            self.use_dhcp_h,
            self.dhcp_h,
            _blank
        ])

        self._listbox = urwid.ListBox(walker)
        self._frame = urwid.Frame(self._listbox)

        # pylint: disable-msg=E1101
        self.__super.__init__(self._frame)

    def use_dhcp_h_toggle(self, checkb, new_state, user_data=None):
        """ Set sensitivity of widget. """
        self.dhcp_h.set_sensitive(new_state)

    def static_ip_toggle(self, checkb, new_state, user_data=None):
        """ Set sensitivity of widget. """
        for w in [self.ip_edit, self.netmask_edit, self.gateway_edit]:
            w.set_sensitive(new_state)
        self.static_dns_cb.set_state(new_state)
        self.static_dns_cb.set_sensitive(not new_state)
        if new_state:
            self.checkb_cols.set_focus(self.global_dns_cb)
        else:
            self.checkb_cols.set_focus(self.static_dns_cb)

    def dns_toggle(self, checkb, new_state, user_data=None):
        """ Set sensitivity of widget. """
        if checkb == self.static_dns_cb.get_w():
            for w in [
                self.dns_dom_edit,
                self.search_dom_edit,
                self.dns1,
                self.dns2,
                self.dns3
            ]:
                w.set_sensitive(new_state)
            if not new_state:
                self.global_dns_cb.set_state(False, do_callback=False)
            self.global_dns_cb.set_sensitive(new_state)
        # use_global_dns_cb is DynWrapped
        if checkb == self.global_dns_cb.get_w():
            for w in [self.dns_dom_edit, self.search_dom_edit,
                    self.dns1, self.dns2, self.dns3 ]:
                w.set_sensitive(not new_state)

    def set_net_prop(self, option, value):
        """ Set network property. MUST BE OVERRIDEN. """
        raise NotImplementedError

    # Code totally yanked from netentry.py
    def save_settings(self):
        """ Save settings common to wired and wireless settings dialogs. """
        if self.static_ip_cb.get_state():
            for i in [
                self.ip_edit,
                self.netmask_edit,
                self.gateway_edit
            ]:
                i.set_edit_text(i.get_edit_text().strip())

            self.set_net_prop("ip", noneToString(self.ip_edit.get_edit_text()))
            self.set_net_prop("netmask",
                noneToString(self.netmask_edit.get_edit_text()))
            self.set_net_prop("gateway",
                noneToString(self.gateway_edit.get_edit_text()))
        else:
            self.set_net_prop("ip", '')
            self.set_net_prop("netmask", '')
            self.set_net_prop("gateway", '')

        if self.static_dns_cb.get_state() and \
           not self.global_dns_cb.get_state():
            self.set_net_prop('use_static_dns', True)
            self.set_net_prop('use_global_dns', False)
            # Strip addressses before checking them in the daemon.
            for i in [
                self.dns1,
                self.dns2,
                self.dns3,
                self.dns_dom_edit,
                self.search_dom_edit
            ]:
                i.set_edit_text(i.get_edit_text().strip())
            self.set_net_prop('dns_domain',
                noneToString(self.dns_dom_edit.get_edit_text()))
            self.set_net_prop("search_domain",
                noneToString(self.search_dom_edit.get_edit_text()))
            self.set_net_prop("dns1", noneToString(self.dns1.get_edit_text()))
            self.set_net_prop("dns2", noneToString(self.dns2.get_edit_text()))
            self.set_net_prop("dns3", noneToString(self.dns3.get_edit_text()))
        elif self.static_dns_cb.get_state() and \
             self.global_dns_cb.get_state():
            self.set_net_prop('use_static_dns', True)
            self.set_net_prop('use_global_dns', True)
        else:
            self.set_net_prop('use_static_dns', False)
            self.set_net_prop('use_global_dns', False)
            self.set_net_prop('dns_domain', '')
            self.set_net_prop("search_domain", '')
            self.set_net_prop("dns1", '')
            self.set_net_prop("dns2", '')
            self.set_net_prop("dns3", '')
        self.set_net_prop('dhcphostname', self.dhcp_h.get_edit_text())
        self.set_net_prop('usedhcphostname', self.use_dhcp_h.get_state())

    # Prevent comboboxes from dying.
    def ready_widgets(self, ui, body):
        """ Build comboboxes. """
        self.ui = ui
        self.body = body
        self.encryption_combo.build_combobox(body, ui, 14)
        self.change_encrypt_method()

    def combo_on_change(self, combobox, new_index, user_data=None):
        """ Handle change of item in the combobox. """
        self.change_encrypt_method()

    # More or less ripped from netentry.py
    def change_encrypt_method(self):
        """ Change encrypt method based on combobox. """
        #self.lbox_encrypt = urwid.ListBox()
        self.encryption_info = {}
        wid, ID = self.encryption_combo.get_focus()
        methods = self.encrypt_types

        # pylint: disable-msg=E0203
        if self._w.body.body.__contains__(self.pile_encrypt):
            self._w.body.body.pop(self._w.body.body.__len__() - 1)

        # If nothing is selected, select the first entry.
        if ID == -1:
            self.encryption_combo.set_focus(0)
            ID = 0

        theList = []
        for type_ in ['required', 'optional']:
            fields = methods[ID][type_]
            for field in fields:
                try:
                    text = language[field[1].lower().replace(' ', '_')]
                except KeyError:
                    text = field[1].replace(' ', '_')
                edit = MaskingEdit(('editcp', text + ': '))
                edit.set_mask_mode('no_focus')
                theList.append(edit)
                # Add the data to any array, so that the information
                # can be easily accessed by giving the name of the wanted
                # data.
                self.encryption_info[field[0]] = [edit, type_]

                if self.wired:
                    edit.set_edit_text(noneToBlankString(
                        wired.GetWiredProperty(field[0])))
                else:
                    edit.set_edit_text(noneToBlankString(
                        wireless.GetWirelessProperty(self.networkid, field[0])))

        #FIXME: This causes the entire pile to light up upon use.
        # Make this into a listbox?
        self.pile_encrypt = DynWrap(
            urwid.Pile(theList),
            attrs=('editbx', 'editnfc')
        )

        self.pile_encrypt.set_sensitive(self.encryption_chkbox.get_state())

        self._w.body.body.insert(self._w.body.body.__len__(), self.pile_encrypt)
        #self._w.body.body.append(self.pile_encrypt)

    def encryption_toggle(self, chkbox, new_state, user_data=None):
        """ Set sensitivity of widget. """
        self.encryption_combo.set_sensitive(new_state)
        self.pile_encrypt.set_sensitive(new_state)


class WiredSettingsDialog(AdvancedSettingsDialog):
    """ Settings dialog for wired interface. """
    def __init__(self, name, parent):
        AdvancedSettingsDialog.__init__(self)
        self.wired = True

        self.set_default = urwid.CheckBox(
            _('Use as default profile (overwrites any previous default)')
        )
        #self.cur_default =
        # Add widgets to listbox
        self._w.body.body.append(self.set_default)

        self.parent = parent
        encryption_t = _('Use Encryption')

        self.encryption_chkbox = urwid.CheckBox(
            encryption_t,
            on_state_change=self.
            encryption_toggle
        )
        self.encryption_combo = ComboBox(callback=self.combo_on_change)
        self.pile_encrypt = None
        # _w is a Frame, _w.body is a ListBox, _w.body.body is the ListWalker
        # pylint: disable-msg=E1103
        self._listbox.body.append(self.encryption_chkbox)
        # pylint: disable-msg=E1103
        self._listbox.body.append(self.encryption_combo)
        self.encrypt_types = misc.LoadEncryptionMethods(wired=True)
        self.set_values()

        self.prof_name = name
        title = _('Configuring preferences for wired profile "$A"'). \
            replace('$A', self.prof_name)
        self._w.header = urwid.Text(('header', title), align='right')

        self.set_values()

    def set_net_prop(self, option, value):
        """ Set network property. """
        wired.SetWiredProperty(option, value)

    def set_values(self):
        """ Load saved values. """
        self.ip_edit.set_edit_text(self.format_entry("ip"))
        self.netmask_edit.set_edit_text(self.format_entry("netmask"))
        self.gateway_edit.set_edit_text(self.format_entry("gateway"))

        self.global_dns_cb.set_state(
            bool(wired.GetWiredProperty('use_global_dns'))
        )
        self.static_dns_cb.set_state(
            bool(wired.GetWiredProperty('use_static_dns'))
        )

        # Set static ip checkbox.  Forgot to do this the first time.
        if stringToNone(self.ip_edit.get_edit_text()):
            self.static_ip_cb.set_state(True)
        self.dns1.set_edit_text(self.format_entry("dns1"))
        self.dns2.set_edit_text(self.format_entry("dns2"))
        self.dns3.set_edit_text(self.format_entry("dns3"))
        self.dns_dom_edit.set_edit_text(self.format_entry("dns_domain"))
        self.search_dom_edit.set_edit_text(self.format_entry("search_domain"))

        self.set_default.set_state(to_bool(wired.GetWiredProperty("default")))

        # Throw the encryption stuff into a list
        l = []
        activeID = -1  # Set the menu to this item when we are done
        for x, enc_type in enumerate(self.encrypt_types):
            l.append(enc_type['name'])
            if enc_type['type'] == wired.GetWiredProperty("enctype"):
                activeID = x
        self.encryption_combo.set_list(l)

        self.encryption_combo.set_focus(activeID)
        if wired.GetWiredProperty("encryption_enabled"):
            self.encryption_chkbox.set_state(True, do_callback=False)
            self.encryption_combo.set_sensitive(True)
            #self.lbox_encrypt_info.set_sensitive(True)
        else:
            self.encryption_combo.set_focus(0)
            self.encryption_combo.set_sensitive(False)

        self.change_encrypt_method()

        dhcphname = wired.GetWiredProperty("dhcphostname")
        if dhcphname is None:
            dhcphname = os.uname()[1]

        self.use_dhcp_h.set_state(
            bool(wired.GetWiredProperty('usedhcphostname'))
        )
        self.dhcp_h.set_sensitive(self.use_dhcp_h.get_state())
        self.dhcp_h.set_edit_text(unicode(dhcphname))

    def save_settings(self):
        """ Save settings to disk. """
        # Check encryption info
        if self.encryption_chkbox.get_state():
            encrypt_info = self.encryption_info
            encrypt_methods = self.encrypt_types
            self.set_net_prop(
                "enctype",
                encrypt_methods[self.encryption_combo.get_focus()[1]]['type'])
            self.set_net_prop("encryption_enabled", True)
            # Make sure all required fields are filled in.
            for entry_info in encrypt_info.itervalues():
                if entry_info[0].get_edit_text() == "" \
                  and entry_info[1] == 'required':
                    error(
                        self.ui,
                        self.parent,
                        "%s (%s)" % (
                            _('Required encryption information is missing.'),
                            entry_info[0].get_caption()[0:-2]
                        )
                    )
                    return False

            for entry_key, entry_info in encrypt_info.iteritems():
                self.set_net_prop(entry_key, noneToString(entry_info[0].
                                                   get_edit_text()))
        else:
            self.set_net_prop("enctype", "None")
            self.set_net_prop("encryption_enabled", False)

        AdvancedSettingsDialog.save_settings(self)
        if self.set_default.get_state():
            wired.UnsetWiredDefault()
        if self.set_default.get_state():
            set_default = True
        else:
            set_default = False
        wired.SetWiredProperty("default", set_default)
        wired.SaveWiredNetworkProfile(self.prof_name)
        return True

    def format_entry(self, label):
        """ Helper method to fetch and format wired properties. """
        return noneToBlankString(wired.GetWiredProperty(label))

    def prerun(self, ui, dim, display):
        pass


class WirelessSettingsDialog(AdvancedSettingsDialog):
    """ Settings dialog for wireless interfaces. """
    def __init__(self, networkID, parent):
        AdvancedSettingsDialog.__init__(self)
        self.wired = False

        self.bitrates = None

        self.networkid = networkID
        self.parent = parent
        global_settings_t = \
            _('Use these settings for all networks sharing this essid')
        encryption_t = _('Use Encryption')
        autoconnect_t = _('Automatically connect to this network')
        bitrate_t = _('Wireless bitrate')
        allow_lower_bitrates_t = _('Allow lower bitrates')

        self.global_settings_chkbox = urwid.CheckBox(global_settings_t)
        self.encryption_chkbox = urwid.CheckBox(
            encryption_t,
            on_state_change=self.
            encryption_toggle
        )
        self.encryption_combo = ComboBox(callback=self.combo_on_change)
        self.autoconnect_chkbox = urwid.CheckBox(autoconnect_t)
        self.bitrate_combo = ComboBox(bitrate_t)
        self.allow_lower_bitrates_chkbox = \
            urwid.CheckBox(allow_lower_bitrates_t)

        self.pile_encrypt = None
        # _w is a Frame, _w.body is a ListBox, _w.body.body is the ListWalker
        # pylint: disable-msg=E1103
        self._listbox.body.append(self.bitrate_combo)
        # pylint: disable-msg=E1103
        self._listbox.body.append(self.allow_lower_bitrates_chkbox)
        # pylint: disable-msg=E1103
        self._listbox.body.append(urwid.Text(''))
        # pylint: disable-msg=E1103
        self._listbox.body.append(self.global_settings_chkbox)
        # pylint: disable-msg=E1103
        self._listbox.body.append(self.autoconnect_chkbox)
        # pylint: disable-msg=E1103
        self._listbox.body.append(self.encryption_chkbox)
        # pylint: disable-msg=E1103
        self._listbox.body.append(self.encryption_combo)
        self.encrypt_types = misc.LoadEncryptionMethods()
        self.set_values()

        title = _('Configuring preferences for wireless network "$A" ($B)'). \
            replace('$A', wireless.GetWirelessProperty(networkID, 'essid')). \
            replace('$B', wireless.GetWirelessProperty(networkID, 'bssid'))
        self._w.header = urwid.Text(('header', title), align='right')

    def set_values(self):
        """ Set the various network settings to the right values. """
        networkID = self.networkid
        self.ip_edit.set_edit_text(self.format_entry(networkID, "ip"))
        self.netmask_edit.set_edit_text(self.format_entry(networkID, "netmask"))
        self.gateway_edit.set_edit_text(self.format_entry(networkID, "gateway"))

        self.global_dns_cb.set_state(
            bool(wireless.GetWirelessProperty(networkID, 'use_global_dns')))
        self.static_dns_cb.set_state(
            bool(wireless.GetWirelessProperty(networkID, 'use_static_dns')))

        if stringToNone(self.ip_edit.get_edit_text()):
            self.static_ip_cb.set_state(True)
        self.dns1.set_edit_text(self.format_entry(networkID, "dns1"))
        self.dns2.set_edit_text(self.format_entry(networkID, "dns2"))
        self.dns3.set_edit_text(self.format_entry(networkID, "dns3"))
        self.dns_dom_edit.set_edit_text(
            self.format_entry(networkID, "dns_domain")
        )
        self.search_dom_edit.set_edit_text(
            self.format_entry(networkID, "search_domain")
        )

        self.autoconnect_chkbox.set_state(
            to_bool(self.format_entry(networkID, "automatic"))
        )

        self.bitrates = wireless.GetAvailableBitrates()
        self.bitrates.append('auto')
        self.bitrate_combo.set_list(self.bitrates)
        if wireless.GetWirelessProperty(networkID, 'bitrate'):
            self.bitrate_combo.set_focus(
                self.bitrates.index(
                    wireless.GetWirelessProperty(networkID, 'bitrate')
                )
            )
        self.allow_lower_bitrates_chkbox.set_state(
            to_bool(self.format_entry(networkID, 'allow_lower_bitrates'))
        )

        #self.reset_static_checkboxes()
        self.encryption_chkbox.set_state(
            bool(wireless.GetWirelessProperty(networkID, 'encryption')),
            do_callback=False)
        self.global_settings_chkbox.set_state(
            bool(wireless.GetWirelessProperty(
                networkID,
                'use_settings_globally')
            )
        )

        # Throw the encryption stuff into a list
        l = []
        activeID = -1  # Set the menu to this item when we are done
        for x, enc_type in enumerate(self.encrypt_types):
            l.append(enc_type['name'])
            if enc_type['type'] == \
              wireless.GetWirelessProperty(networkID, "enctype"):
                activeID = x
        self.encryption_combo.set_list(l)

        self.encryption_combo.set_focus(activeID)
        if activeID != -1:
            self.encryption_chkbox.set_state(True, do_callback=False)
            self.encryption_combo.set_sensitive(True)
            #self.lbox_encrypt_info.set_sensitive(True)
        else:
            self.encryption_combo.set_focus(0)

        self.change_encrypt_method()
        dhcphname = wireless.GetWirelessProperty(networkID, "dhcphostname")
        if dhcphname is None:
            dhcphname = os.uname()[1]
        self.use_dhcp_h.set_state(
            bool(wireless.GetWirelessProperty(networkID, 'usedhcphostname'))
        )
        self.dhcp_h.set_sensitive(self.use_dhcp_h.get_state())
        self.dhcp_h.set_edit_text(unicode(dhcphname))

    def set_net_prop(self, option, value):
        """ Sets the given option to the given value for this network. """
        wireless.SetWirelessProperty(self.networkid, option, value)

    def format_entry(self, networkid, label):
        """ Helper method for fetching/formatting wireless properties. """
        return noneToBlankString(wireless.GetWirelessProperty(networkid, label))

    # Ripped from netentry.py
    def save_settings(self):
        """ Save settings to disk. """
        # Check encryption info
        if self.encryption_chkbox.get_state():
            encrypt_info = self.encryption_info
            encrypt_methods = self.encrypt_types
            self.set_net_prop(
                "enctype",
                encrypt_methods[self.encryption_combo.get_focus()[1]]['type']
            )
            # Make sure all required fields are filled in.
            for entry_info in encrypt_info.itervalues():
                if entry_info[0].get_edit_text() == "" \
                    and entry_info[1] == 'required':
                    error(
                        self.ui,
                        self.parent,
                        "%s (%s)" % (
                            _('Required encryption information is missing.'),
                            entry_info[0].get_caption()[0:-2]
                        )
                    )
                    return False

            for entry_key, entry_info in encrypt_info.iteritems():
                self.set_net_prop(entry_key, noneToString(entry_info[0].
                                                   get_edit_text()))
        elif not self.encryption_chkbox.get_state() and \
             wireless.GetWirelessProperty(self.networkid, "encryption"):
            # Encrypt checkbox is off, but the network needs it.
            error(
                self.ui,
                self.parent,
                _('This network requires encryption to be enabled.')
            )
            return False
        else:
            self.set_net_prop("enctype", "None")
        AdvancedSettingsDialog.save_settings(self)

        # Save the autoconnect setting.  This is not where it originally was
        # in the GTK UI.
        self.set_net_prop("automatic", self.autoconnect_chkbox.get_state())

        if self.global_settings_chkbox.get_state():
            self.set_net_prop('use_settings_globally', True)
        else:
            self.set_net_prop('use_settings_globally', False)
            wireless.RemoveGlobalEssidEntry(self.networkid)

        self.set_net_prop(
            'bitrate',
            self.bitrates[self.bitrate_combo.get_focus()[1]]
        )
        self.set_net_prop(
            'allow_lower_bitrates',
            self.allow_lower_bitrates_chkbox.get_state()
        )
        wireless.SaveWirelessNetworkProfile(self.networkid)
        return True

    def ready_widgets(self, ui, body):
        """ Build comboboxes. """
        AdvancedSettingsDialog.ready_widgets(self, ui, body)
        self.ui = ui
        self.body = body
        self.bitrate_combo.build_combobox(body, ui, 17)