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
|
#
# firewall_gui.py: firewall setup screen
#
# Copyright 2001-2002 Red Hat, Inc.
#
# This software may be freely redistributed under the terms of the GNU
# library public license.
#
# You should have received a copy of the GNU Library Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#
import checklist
import gtk
import gui
from iw_gui import *
from isys import *
from rhpl.translate import _, N_
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 = self.trusted.get_active(count)
if val == 1:
self.firewall.trustdevs.append(device)
count = count + 1
count = 0
for service in self.knownPorts.keys():
val = self.incoming.get_active(count)
if service == "DHCP":
self.firewall.dhcp = val
elif service == "SSH":
self.firewall.ssh = val
elif service == "Telnet":
self.firewall.telnet = val
elif service == "WWW (HTTP)":
self.firewall.http = val
elif service == "Mail (SMTP)":
self.firewall.smtp = val
elif service == "FTP":
self.firewall.ftp = val
count = count + 1
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 there's a colon in the token, it's valid
if string.index(token,':'):
parts = string.split(token, ':')
portnum = int(parts[0])
if len(parts) > 2: # more than one colon
bad_token_found = 1
bad_token = token
elif portnum < 1 or portnum > 65535:
bad_token_found = 1
bad_token = token
else:
# udp and tcp are the only valid protos
if parts[1] == 'tcp' or parts[1] == 'udp':
if portlist == "":
portlist = token
else:
portlist = portlist + ',' + token
else: # found protocol !tcp && !udp
bad_token_found = 1
bad_token = token
pass
except:
if token != "":
try:
portnum = int(token)
if portnum < 1 or portnum > 65535:
bad_token_found = 1
bad_token = token
else:
if portlist == "":
portlist = token + ":tcp"
else:
portlist = portlist + ',' + token + ':tcp'
except:
bad_token_found = 1
bad_token = token
else:
pass
if bad_token_found == 1: # raise a warning
text = _("Invalid port given: %s. The proper format is "
"'port:protocol', where port is between 1 and 65535, and port is either 'tcp' or 'udp'.\n\nFor example, "
"'1234:udp'") % (bad_token,)
self.intf.messageWindow(_("Warning: Bad Token"),
text, type="warning")
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 (gtk.TRUE)
self.custom_radio.set_sensitive (gtk.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 getScreen (self, intf, network, firewall):
self.firewall = firewall
self.network = network
self.intf = intf
self.devices = self.network.available().keys()
self.devices.sort()
self.netCBs = {}
box = gtk.VBox (gtk.FALSE, 5)
box.set_border_width (5)
label = gtk.Label (_("Select a security level for the system: "))
label.set_alignment (0.0, 0.5)
label.set_line_wrap (gtk.TRUE)
box.pack_start(label, gtk.FALSE)
hbox = gtk.HBox (gtk.FALSE)
self.sec_high_radio = gtk.RadioButton (None, (_("Hi_gh")))
self.sec_med_radio = gtk.RadioButton (self.sec_high_radio, (_("_Medium")))
self.sec_none_radio = gtk.RadioButton (self.sec_high_radio, (_("N_o 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 = gtk.Alignment ()
a.add (hbox)
a.set (1.0, 0.5, 0.7, 1.0)
box.pack_start (a, gtk.FALSE)
hsep = gtk.HSeparator ()
box.pack_start (hsep, gtk.FALSE)
self.default_radio = gtk.RadioButton (None, (_("Use _default firewall rules")))
self.custom_radio = gtk.RadioButton (self.default_radio, (_("_Customize")))
self.default_radio.set_active (gtk.TRUE)
self.default_radio.connect ("clicked", self.activate_firewall)
self.custom_radio.connect ("clicked", self.activate_firewall)
box.pack_start (self.default_radio, gtk.FALSE)
box.pack_start (self.custom_radio, gtk.FALSE)
table = gtk.Table (2, 3)
box.pack_start (table)
hbox = gtk.HBox(gtk.FALSE, 10)
self.label1 = gui.MnemonicLabel (_("_Trusted devices:"))
self.label1.set_alignment (0.2, 0.0)
self.trusted = checklist.CheckList(1)
self.label1.set_mnemonic_widget(self.trusted)
trustedSW = gtk.ScrolledWindow()
trustedSW.set_border_width(5)
trustedSW.set_policy(gtk.POLICY_NEVER, gtk.POLICY_NEVER)
trustedSW.set_shadow_type(gtk.SHADOW_IN)
trustedSW.add(self.trusted)
if self.devices != []:
table.attach (self.label1, 0, 1, 0, 1, gtk.FILL, gtk.FILL, 5, 5)
table.attach (trustedSW, 1, 2, 0, 1, gtk.EXPAND|gtk.FILL, gtk.FILL, 5, 5)
for device in self.devices:
if device in self.firewall.trustdevs:
self.trusted.append_row ((device, device), gtk.TRUE)
else:
self.trusted.append_row ((device, device), gtk.FALSE)
if self.network.netdevices[device].get('bootproto') == 'dhcp':
self.firewall.dhcp = 1
hbox = gtk.HBox(gtk.FALSE, 10)
self.label2 = gui.MnemonicLabel (_("_Allow incoming:"))
self.label2.set_alignment (0.2, 0.0)
self.incoming = checklist.CheckList(1)
self.label2.set_mnemonic_widget(self.incoming)
incomingSW = gtk.ScrolledWindow()
incomingSW.set_border_width(5)
incomingSW.set_policy(gtk.POLICY_NEVER, gtk.POLICY_NEVER)
incomingSW.set_shadow_type(gtk.SHADOW_IN)
incomingSW.add(self.incoming)
table.attach (self.label2, 0, 1, 1, 2, gtk.FILL, gtk.FILL, 5, 5)
table.attach (incomingSW, 1, 2, 1, 2, gtk.EXPAND|gtk.FILL, gtk.FILL, 5, 5)
self.knownPorts = {"DHCP": self.firewall.dhcp,
"SSH": self.firewall.ssh,
"Telnet": self.firewall.telnet,
"WWW (HTTP)": self.firewall.http,
"Mail (SMTP)": self.firewall.smtp,
"FTP": self.firewall.ftp}
for item in self.knownPorts.keys():
self.incoming.append_row ((item, ""), self.knownPorts[item])
self.label3 = gui.MnemonicLabel (_("Other _ports:"))
self.ports = gtk.Entry ()
self.label3.set_mnemonic_widget(self.ports)
table.attach (self.label3, 0, 1, 2, 3, gtk.FILL, gtk.FILL, 5, 5)
table.attach (self.ports, 1, 2, 2, 3, gtk.EXPAND|gtk.FILL, gtk.FILL, 5, 5)
if self.firewall.enabled == 0:
self.sec_none_radio.set_active (gtk.TRUE)
elif self.firewall.policy == 0:
self.sec_high_radio.set_active (gtk.TRUE)
elif self.firewall.policy == 1:
self.sec_med_radio.set_active (gtk.TRUE)
if self.firewall.portlist != "":
self.ports.set_text (self.firewall.portlist)
if self.firewall.custom == 1:
self.custom_radio.set_active(gtk.TRUE)
else:
self.trusted.set_sensitive(gtk.FALSE)
self.incoming.set_sensitive(gtk.FALSE)
self.ports.set_sensitive(gtk.FALSE)
self.label1.set_sensitive(gtk.FALSE)
self.label2.set_sensitive(gtk.FALSE)
self.label3.set_sensitive(gtk.FALSE)
return box
|
