/usr/share/system-config-printer/pysmb.py is in system-config-printer-common 1.5.7+20160212-0ubuntu2.
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 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 | #!/usr/bin/python3
## system-config-printer
## CUPS backend
## Copyright (C) 2002, 2003, 2006, 2007, 2008, 2010, 2012, 2013 Red Hat, Inc.
## Authors:
## Tim Waugh <twaugh@redhat.com>
## 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 errno
import config
import gettext
gettext.install(domain=config.PACKAGE, localedir=config.localedir)
from gi.repository import Gtk
import os
import pwd
import smbc
from debug import *
class _None(RuntimeError):
pass
try:
NoEntryError = smbc.NoEntryError
PermissionError = smbc.PermissionError
ExistsError = smbc.ExistsError
NotEmptyError = smbc.NotEmptyError
TimedOutError = smbc.TimedOutError
NoSpaceError = smbc.NoSpaceError
except AttributeError:
NoEntryError = PermissionError = ExistsError = _None
NotEmptyError = TimedOutError = NoSpaceError = _None
class AuthContext:
def __init__ (self, parent=None, workgroup='', user='', passwd=''):
self.passes = 0
self.has_failed = False
self.auth_called = False
self.tried_guest = False
self.cancel = False
self.use_user = user
self.use_password = passwd
self.use_workgroup = workgroup
self.dialog_shown = False
self.parent = parent
def perform_authentication (self):
self.passes += 1
if self.passes == 1:
return 1
if not self.has_failed:
return 0
debugprint ("pysmb: authentication pass: %d" % self.passes)
if not self.auth_called:
debugprint ("pysmb: auth callback not called?!")
self.cancel = True
return 0
self.has_failed = False
if self.auth_called and not self.tried_guest:
self.use_user = 'guest'
self.use_password = ''
self.tried_guest = True
debugprint ("pysmb: try auth as guest")
return 1
self.auth_called = False
if self.dialog_shown:
d = Gtk.MessageDialog (parent=self.parent,
modal=True, destroy_with_parent=True,
message_type=Gtk.MessageType.ERROR,
buttons=Gtk.ButtonsType.CLOSE)
d.set_title (_("Not authorized"))
d.set_markup ('<span weight="bold" size="larger">' +
_("Not authorized") + '</span>\n\n' +
_("The password may be incorrect."))
d.run ()
d.destroy ()
# After that, prompt
d = Gtk.Dialog (title=_("Authentication"),
transient_for=self.parent,
modal=True)
d.add_buttons (Gtk.STOCK_CANCEL, Gtk.ResponseType.CANCEL,
Gtk.STOCK_OK, Gtk.ResponseType.OK)
d.set_default_response (Gtk.ResponseType.OK)
d.set_border_width (6)
d.set_resizable (False)
hbox = Gtk.HBox.new (False, 12)
hbox.set_border_width (6)
image = Gtk.Image ()
image.set_from_stock (Gtk.STOCK_DIALOG_AUTHENTICATION,
Gtk.IconSize.DIALOG)
hbox.pack_start (image, False, False, 0)
vbox = Gtk.VBox (False, 12)
label = Gtk.Label(label='<span weight="bold" size="larger">' +
_("You must log in to access %s.")
% self.for_server +
'</span>')
label.set_use_markup (True)
label.set_alignment (0, 0)
label.set_line_wrap (True)
vbox.pack_start (label, False, False, 0)
table = Gtk.Table (n_rows=3, n_columns=2)
table.set_row_spacings (6)
table.set_col_spacings (6)
table.attach (Gtk.Label(label=_("Username:")), 0, 1, 0, 1, 0, 0)
username_entry = Gtk.Entry ()
table.attach (username_entry, 1, 2, 0, 1, 0, 0)
table.attach (Gtk.Label(label=_("Domain:")), 0, 1, 1, 2, 0, 0)
domain_entry = Gtk.Entry ()
table.attach (domain_entry, 1, 2, 1, 2, 0, 0)
table.attach (Gtk.Label(label=_("Password:")), 0, 1, 2, 3, 0, 0)
password_entry = Gtk.Entry ()
password_entry.set_activates_default (True)
password_entry.set_visibility (False)
table.attach (password_entry, 1, 2, 2, 3, 0, 0)
vbox.pack_start (table, False, False, 0)
hbox.pack_start (vbox, False, False, 0)
d.vbox.pack_start (hbox, False, False, 0)
self.dialog_shown = True
d.show_all ()
d.show_now ()
if self.use_user == 'guest':
self.use_user = pwd.getpwuid (os.getuid ())[0]
debugprint ("pysmb: try as %s" % self.use_user)
username_entry.set_text (self.use_user)
domain_entry.set_text (self.use_workgroup)
d.set_keep_above (True)
response = d.run ()
if response == Gtk.ResponseType.CANCEL:
self.cancel = True
d.destroy ()
return -1
self.use_user = username_entry.get_text ()
self.use_password = password_entry.get_text ()
self.use_workgroup = domain_entry.get_text ()
d.destroy ()
return 1
def initial_authentication (self):
try:
context = smbc.Context ()
self.use_workgroup = context.workgroup
except:
pass
def failed (self, exc=None):
self.has_failed = True
debugprint ("pysmb: operation failed: %s" % repr (exc))
if exc:
if (self.cancel or
(type (exc) in [NoEntryError, ExistsError, NotEmptyError,
TimedOutError, NoSpaceError]) or
(type (exc) == RuntimeError and
not (exc.args[0] in [errno.EACCES, errno.EPERM]))):
raise exc
def callback (self, server, share, workgroup, user, password):
debugprint ("pysmb: got password callback")
self.auth_called = True
self.for_server = server
self.for_share = share
if self.passes == 1:
self.initial_authentication ()
if self.use_user:
if self.use_workgroup:
workgroup = self.use_workgroup
return (workgroup, self.use_user, self.use_password)
user = ''
password = ''
return (workgroup, user, password)
|