summaryrefslogtreecommitdiffstats
path: root/iw/firewall_gui.py
blob: 68164bf2db7627d3531cd0d8ea32bd99548a2587 (plain)
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
from gtk import *
from gnome.ui import *
from iw_gui import *
from isys import *
from translate import _, N_
import checklist

class FirewallWindow (InstallWindow):		

    windowTitle = N_("Firewall Configuration")
    htmlTag = "securitylevel"

    def __init__ (self, ics):
	InstallWindow.__init__ (self, ics)

    def getNext (self):
        if not self.__dict__.has_key("sec_none_radio"):
            return None

        if self.sec_none_radio.get_active ():
            self.firewall.enabled = 0
            self.firewall.policy = 1
        else:

            if self.sec_high_radio.get_active ():
                self.firewall.policy = 0
                self.firewall.enabled = 1
            elif self.sec_med_radio.get_active ():
                self.firewall.policy = 1
                self.firewall.enabled = 1

            if self.default_radio.get_active ():
                self.firewallState = 0

            if self.custom_radio.get_active ():
                self.firewallState = 1
                count = 0
                self.firewall.trustdevs = []

                for device in self.devices:
                    (val, row_data, header) = self.trusted.get_row_data (count)

                    if val == 1:
                        self.firewall.trustdevs.append(device)

                    count = count + 1

                for i in range(6):
                    (val, row_data, header) = self.incoming.get_row_data (i)

                    if row_data == "DHCP":
                        self.firewall.dhcp = val
                    elif row_data == "SSH":
                        self.firewall.ssh = val
                    elif row_data == "Telnet":
                        self.firewall.telnet = val
                    elif row_data == "WWW (HTTP)":
                        self.firewall.http = val
                    elif row_data == "Mail (SMTP)":
                        self.firewall.smtp = val
                    elif row_data == "FTP":
                        self.firewall.ftp = val
                    
                portstring = string.strip(self.ports.get_text())
                portlist = ""
                bad_token_found = 0
                bad_token = ""
                if portstring != "":
                    tokens = string.split(portstring, ',')
                    for token in tokens:
                        try:
                            if string.index(token,':'):         #- if there's a colon in the token, it's valid
                                parts = string.split(token, ':')
                                if len(parts) > 2:              #- We've found more than one colon.  Break loop and raise an error.
                                    bad_token_found = 1
                                    bad_token = token
                                else:
                                    if parts[1] == 'tcp' or parts[1] == 'udp':  #-upd and tcp are the only valid protocols
                                        if portlist == "":
                                            portlist = token
                                        else:
                                            portlist = portlist + ',' + token
                                    else:                        #- Found a protocol other than tcp or udp.  Break loop
                                        bad_token_found = 1
                                        bad_token = token
                                        pass
                        except:
                            if token != "":
                                if portlist == "":
                                    portlist = token + ":tcp"
                                else:
                                    portlist = portlist + ',' + token + ':tcp'

                else:
                    pass

                if bad_token_found == 1:         #- We've found a bad token...raise a warning
                    from gnome.ui import *
                    import gui
                    self.textWin = GnomeDialog ()
                    self.textWin.set_modal (TRUE)

                    vbox = GtkVBox()
                    hbox = GtkHBox()

                    hbox.pack_start (GnomePixmap ('/usr/share/pixmaps/gnome-warning.png'), FALSE)
                    self.textWin.vbox.pack_start(hbox)
                    hbox.pack_start(vbox)
                    

                    
                    self.textWin.set_default_size (500, 200)
                    self.textWin.set_usize (500, 200)
                    self.textWin.set_position (WIN_POS_CENTER)

                    label = GtkLabel((_("Warning: ")) + bad_token + (_(" is an invalid port.")))
                    vbox.pack_start(label)

                    label = GtkLabel(_("The format is 'port:protocol'.  For example, '1234:udp'"))
                    vbox.pack_start(label)
                    
                    self.textWin.append_button(_("Close"))
                    self.textWin.button_connect (0, self.textWin.destroy)

                    self.textWin.set_border_width(0)
                    self.textWin.show_all()

                    raise gui.StayOnScreen
                else:                           # all the port data looks good
                    self.firewall.portlist = portlist
        

    def activate_firewall (self, widget):
        if self.sec_none_radio.get_active ():            
            active = not (self.sec_none_radio.get_active())

            self.default_radio.set_sensitive (active)
            self.custom_radio.set_sensitive (active)        
            self.trusted.set_sensitive(active)
            self.incoming.set_sensitive(active)
            self.ports.set_sensitive(active)
            self.label1.set_sensitive(active)
            self.label2.set_sensitive(active)
            self.label3.set_sensitive(active)
        else:
            self.default_radio.set_sensitive (TRUE)
            self.custom_radio.set_sensitive (TRUE) 

            if self.custom_radio.get_active ():
                self.trusted.set_sensitive(self.custom_radio.get_active())
                self.incoming.set_sensitive(self.custom_radio.get_active())
                self.ports.set_sensitive(self.custom_radio.get_active())
                self.label1.set_sensitive(self.custom_radio.get_active())
                self.label2.set_sensitive(self.custom_radio.get_active())
                self.label3.set_sensitive(self.custom_radio.get_active())

            else:
                self.trusted.set_sensitive(self.custom_radio.get_active())
                self.incoming.set_sensitive(self.custom_radio.get_active())
                self.ports.set_sensitive(self.custom_radio.get_active())
                self.label1.set_sensitive(self.custom_radio.get_active())
                self.label2.set_sensitive(self.custom_radio.get_active())
                self.label3.set_sensitive(self.custom_radio.get_active())

    def trusted_select_row(self, clist, event):
        try:
            row, col  = self.trusted.get_selection_info (event.x, event.y)
            self.toggle_row(self.trusted, row)
        except:
            pass

    def incoming_select_row(self, clist, event):
        try:
            row, col  = self.incoming.get_selection_info (event.x, event.y)
            self.toggle_row(self.incoming, row)
        except:
            pass    
        
        
    def trusted_key_press (self, list, event):
        if event.keyval == ord(" ") and self.trusted.focus_row != -1:
            self.toggle_row (self.trusted, self.trusted.focus_row)

    def incoming_key_press (self, list, event):
        if event.keyval == ord(" ") and self.incoming.focus_row != -1:
            self.toggle_row (self.incoming, self.incoming.focus_row)        

    def toggle_row (self, list, row):
        (val, row_data, header) = list.get_row_data(row)
        val = not val
        list.set_row_data(row, (val, row_data, header))
        list._update_row (row)
            
    def getScreen (self, network, firewall):
	self.firewall = firewall
	self.network = network

        self.devices = self.network.available().keys()
        self.devices.sort()
        
	self.netCBs = {}

        box = GtkVBox (FALSE, 5)
        box.set_border_width (5)

        label = GtkLabel (_("Please choose your security level:  "))
        label.set_alignment (0.0, 0.5)

        label.set_line_wrap (TRUE)
        
        box.pack_start(label, FALSE)

        hbox = GtkHBox (FALSE)

        self.sec_high_radio = GtkRadioButton (None, (_("High")))
        self.sec_med_radio = GtkRadioButton (self.sec_high_radio, (_("Medium")))
        self.sec_none_radio = GtkRadioButton (self.sec_high_radio, (_("No firewall")))
        self.sec_none_radio.connect ("clicked", self.activate_firewall)

        hbox.pack_start (self.sec_high_radio)
        hbox.pack_start (self.sec_med_radio)
        hbox.pack_start (self.sec_none_radio)

        a = GtkAlignment ()
        a.add (hbox)
        a.set (1.0, 0.5, 0.7, 1.0)

        box.pack_start (a, FALSE)

        hsep = GtkHSeparator ()
        box.pack_start (hsep, FALSE)

        self.default_radio = GtkRadioButton (None, (_("Use default firewall rules")))
        self.custom_radio = GtkRadioButton (self.default_radio, (_("Customize")))
        self.default_radio.set_active (TRUE)

        self.default_radio.connect ("clicked", self.activate_firewall)
        self.custom_radio.connect ("clicked", self.activate_firewall)
        
        box.pack_start (self.default_radio, FALSE)
        box.pack_start (self.custom_radio, FALSE)

        table = GtkTable (2, 3)
        box.pack_start (table)

        hbox = GtkHBox(FALSE, 10)
        self.label1 = GtkLabel (_("Trusted devices:"))
        self.label1.set_alignment (0.2, 0.0)
        self.trusted = checklist.CheckList(1)
        self.trusted.connect ('button_press_event', self.trusted_select_row)
        self.trusted.connect ("key_press_event", self.trusted_key_press)

        if self.devices != []:
            table.attach (self.label1, 0, 1, 0, 1, FILL, FILL, 5, 5)
            table.attach (self.trusted, 1, 2, 0, 1, EXPAND|FILL, FILL, 5, 5)

            count = 0
            for device in self.devices:
                if self.firewall.trustdevs == []:
                    self.trusted.append_row ((device, device), FALSE)
                else:
                    if device in self.firewall.trustdevs:
                        self.trusted.append_row ((device, device), TRUE)
                    else:
                        self.trusted.append_row ((device, device), FALSE)
                if self.network.netdevices[device].get('bootproto') == 'dhcp':
                    self.firewall.dhcp = 1

            count = count + 1

        hbox = GtkHBox(FALSE, 10)        
        self.label2 = GtkLabel (_("Allow incoming:"))
        self.label2.set_alignment (0.2, 0.0)
        self.incoming = checklist.CheckList(1)
        self.incoming.connect ('button_press_event', self.incoming_select_row)
        self.incoming.connect ("key_press_event", self.incoming_key_press)
        table.attach (self.label2, 0, 1, 1, 2, FILL, FILL, 5, 5)
        table.attach (self.incoming, 1, 2, 1, 2, EXPAND|FILL, FILL, 5, 5)

        self.list = ["DHCP", "SSH", "Telnet", "WWW (HTTP)", "Mail (SMTP)", "FTP"]

        count = 0
        for item in self.list:
            self.incoming.append_row ((item, ""), FALSE)

            if item == "DHCP":
                self.incoming.set_row_data (count, (self.firewall.dhcp, item, item)) 
            elif item == "SSH":
                self.incoming.set_row_data (count, (self.firewall.ssh, item, item)) 
            elif item == "Telnet":
                self.incoming.set_row_data (count, (self.firewall.telnet, item, item)) 
            elif item == "WWW (HTTP)":
                self.incoming.set_row_data (count, (self.firewall.http, item, item)) 
            elif item == "Mail (SMTP)":
                self.incoming.set_row_data (count, (self.firewall.smtp, item, item)) 
            elif item == "FTP":
                self.incoming.set_row_data (count, (self.firewall.ftp, item, item)) 

            count = count + 1

        self.label3 = GtkLabel (_("Other ports:"))
        self.ports = GtkEntry ()

        table.attach (self.label3, 0, 1, 2, 3, FILL, FILL, 5, 5)
        table.attach (self.ports, 1, 2, 2, 3, EXPAND|FILL, FILL, 5, 5)

        if self.firewall.enabled == 0:
            self.sec_none_radio.set_active (TRUE)
        elif self.firewall.policy == 0:
            self.sec_high_radio.set_active (TRUE)
        elif self.firewall.policy == 1:
            self.sec_med_radio.set_active (TRUE)

        if self.firewall.portlist != "":
            self.ports.set_text (self.firewall.portlist)

        if self.firewall.custom == 1:
            self.custom_radio.set_active(TRUE)
        else:
            self.trusted.set_sensitive(FALSE)
            self.incoming.set_sensitive(FALSE)
            self.ports.set_sensitive(FALSE)
            self.label1.set_sensitive(FALSE)
            self.label2.set_sensitive(FALSE)
            self.label3.set_sensitive(FALSE)

        return box