zoneconf: Remove red warning
[ipfire-2.x.git] / html / cgi-bin / zoneconf.cgi
CommitLineData
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1#!/usr/bin/perl
2###############################################################################
3# #
4# VLAN Management for IPFire #
5# Copyright (C) 2019 Florian Bührle <fbuehrle@ipfire.org> #
6# #
7# This program is free software: you can redistribute it and/or modify #
8# it under the terms of the GNU General Public License as published by #
9# the Free Software Foundation, either version 3 of the License, or #
10# (at your option) any later version. #
11# #
12# This program is distributed in the hope that it will be useful, #
13# but WITHOUT ANY WARRANTY; without even the implied warranty of #
14# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
15# GNU General Public License for more details. #
16# #
17# You should have received a copy of the GNU General Public License #
18# along with this program. If not, see <http://www.gnu.org/licenses/>. #
19# #
20###############################################################################
21
22use strict;
23use Scalar::Util qw(looks_like_number);
24
25require '/var/ipfire/general-functions.pl';
26require "${General::swroot}/lang.pl";
27require "${General::swroot}/header.pl";
28
29my $css = <<END
30<style>
31 table {
32 width: 100%;
33 }
34
35 tr {
36 height: 4em;
37 }
38
39 td:first-child {
40 width: 1px;
41 }
42
43 td {
44 padding: 5px;
45 padding-left: 10px;
46 padding-right: 10px;
47 border: 0.5px solid black;
48 }
49
50 table {
51 border-collapse: collapse;
52 }
53
54 td.h {
55 background-color: grey;
56 color: white;
57 font-weight: 800;
58 }
59
60 td.green {
61 background-color: $Header::colourgreen;
62 }
63
64 td.red {
65 background-color: $Header::colourred;
66 }
67
68 td.blue {
69 background-color: $Header::colourblue;
70 }
71
72 td.orange {
73 background-color: $Header::colourorange;
74 }
75
76 td.topleft {
77 background-color: white;
78 border-top-style: none;
79 border-left-style: none;
80 }
81
82 td.disabled {
83 background-color: #cccccc;
84 }
85
86 td.textcenter {
87 text-align: center;
88 }
89
90 #submit-container {
1dcf513a 91 width: 100%;
1dcf513a 92 padding-top: 20px;
1d6bc7a0 93 text-align: right;
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94 }
95
96 #submit-container.input {
97 margin-left: auto;
98 }
99
100 button {
101 margin-top: 1em;
102 }
103
104</style>
105END
106;
107
108my %ethsettings = ();
109my %vlansettings = ();
110my %cgiparams = ();
111
112&General::readhash("${General::swroot}/ethernet/settings",\%ethsettings);
113&General::readhash("${General::swroot}/ethernet/vlans",\%vlansettings);
114
115&Header::getcgihash(\%cgiparams);
116&Header::showhttpheaders();
117
118# Define all zones we will check for NIC assignment
119my @zones = ("green", "red", "orange", "blue");
120
121# Get all physical NICs present
122opendir(my $dh, "/sys/class/net/");
123my @nics = ();
124
125while (my $nic = readdir($dh)) {
126 if (-e "/sys/class/net/$nic/device") { # Indicates that the NIC is physical
127 push(@nics, [&Network::get_nic_property($nic, "address"), $nic, 0]);
128 }
129}
130
131closedir($dh);
132
133@nics = sort {$a->[0] cmp $b->[0]} @nics; # Sort nics by their MAC address
134
135# Name the physical NICs
136# Even though they may not be really named like this, we will name them ethX or wlanX
137my $ethcount = 0;
138my $wlancount = 0;
139
140foreach (@nics) {
141 my $nic = $_->[1];
142
143 if (-e "/sys/class/net/$nic/wireless") {
144 $_->[1] = "wlan$wlancount";
145 $_->[2] = 1;
146 $wlancount++;
147 } else {
148 $_->[1] = "eth$ethcount";
149 $ethcount++;
150 }
151}
152
153&Header::openpage($Lang::tr{"zoneconf title"}, 1, $css);
154&Header::openbigbox('100%', 'center');
155
156### Evaluate POST parameters ###
157
158if ($cgiparams{"ACTION"} eq $Lang::tr{"save"}) {
159 my %VALIDATE_nic_check = ();
160 my $VALIDATE_error = "";
161
162 foreach (@zones) {
163 my $uc = uc $_;
164 my $slave_string = "";
165 my $zone_mode = $cgiparams{"MODE $uc"};
166 my $VALIDATE_vlancount = 0;
167
168 $ethsettings{"${uc}_MACADDR"} = "";
169 $ethsettings{"${uc}_MODE"} = "";
170 $ethsettings{"${uc}_SLAVES"} = "";
171 $vlansettings{"${uc}_PARENT_DEV"} = "";
172 $vlansettings{"${uc}_VLAN_ID"} = "";
173 $vlansettings{"${uc}_MAC_ADDRESS"} = "";
174
175 # If RED is not in DHCP or static mode, we only set its MACADDR property
176 if ($uc eq "RED" && ! $cgiparams{"PPPACCESS"} eq "") {
177 foreach (@nics) {
178 my $mac = $_->[0];
179
180 if ($mac eq $cgiparams{"PPPACCESS"}) {
181 $ethsettings{"${uc}_MACADDR"} = $mac;
182
183 # Check if this interface is already accessed by any other zone
184 # If this is the case, show an error message
185 if ($VALIDATE_nic_check{"ACC $mac"}) {
186 $VALIDATE_error = $Lang::tr{"zoneconf val ppp assignment error"};
187 }
188
189 $VALIDATE_nic_check{"RESTRICT $mac"} = 1;
190 last;
191 }
192 }
193
194 next;
195 }
196
197 foreach (@nics) {
198 my $mac = $_->[0];
199 my $nic_access = $cgiparams{"ACCESS $uc $mac"};
200
201 if (! ($nic_access eq "NONE")) {
202 if ($VALIDATE_nic_check{"RESTRICT $mac"}) { # If this interface is already assigned to RED in PPP mode, throw an error
203 $VALIDATE_error = $Lang::tr{"zoneconf val ppp assignment error"};
204 next;
205 }
206
207 $VALIDATE_nic_check{"ACC $mac"} = 1;
208 }
209
210 if ($nic_access eq "NATIVE") {
211 if ($VALIDATE_nic_check{"NATIVE $mac"}) {
212 $VALIDATE_error = $Lang::tr{"zoneconf val native assignment error"};
213 next;
214 }
215
216 $VALIDATE_nic_check{"NATIVE $mac"} = 1;
217
218 if ($zone_mode eq "BRIDGE") {
219 $slave_string = "${slave_string}${mac} ";
220 } else {
221 $ethsettings{"${uc}_MACADDR"} = $mac;
222 }
223 } elsif ($nic_access eq "VLAN") {
224 my $vlan_tag = $cgiparams{"TAG $uc $mac"};
225
226 if ($VALIDATE_nic_check{"VLAN $mac $vlan_tag"}) {
227 $VALIDATE_error = $Lang::tr{"zoneconf val vlan tag assignment error"};
228 next;
229 }
230
231 $VALIDATE_nic_check{"VLAN $mac $vlan_tag"} = 1;
232
233 if (! looks_like_number($vlan_tag)) {
234 next;
235 }
236 if ($vlan_tag < 1 || $vlan_tag > 4095) {
237 next;
238 }
239
240 my $rnd_mac = &Network::random_mac();
241
242 $vlansettings{"${uc}_PARENT_DEV"} = $mac;
243 $vlansettings{"${uc}_VLAN_ID"} = $vlan_tag;
244 $vlansettings{"${uc}_MAC_ADDRESS"} = $rnd_mac;
245
246 if ($zone_mode eq "BRIDGE") {
247 $slave_string = "${slave_string}${rnd_mac} ";
248 }
249
250 $VALIDATE_vlancount++; # We can't allow more than one VLAN per zone
251 }
252 }
253
254 if ($VALIDATE_vlancount > 1) {
255 $VALIDATE_error = $Lang::tr{"zoneconf val vlan amount assignment error"};
256 next;
257 }
258
259 chop($slave_string);
260
261 if ($zone_mode eq "BRIDGE") {
262 $ethsettings{"${uc}_MODE"} = "bridge";
263 $ethsettings{"${uc}_SLAVES"} = $slave_string;
264 } elsif ($zone_mode eq "MACVTAP") {
265 $ethsettings{"${uc}_MODE"} = "macvtap";
266 }
267 }
268
269 if ($VALIDATE_error) {
270 &Header::openbox('100%', 'left', $Lang::tr{"error"});
271
272 print "$VALIDATE_error<br><a href='/cgi-bin/zoneconf.cgi'><button>$Lang::tr{'ok'}</button></a>";
273
274 &Header::closebox();
275 &Header::closebigbox();
276 &Header::closepage();
277
278 exit 0;
279 }
280
281 &General::writehash("${General::swroot}/ethernet/settings",\%ethsettings);
282 &General::writehash("${General::swroot}/ethernet/vlans",\%vlansettings);
283}
284
285&Header::openbox('100%', 'left', $Lang::tr{"zoneconf nic assignment"});
286
287### START OF TABLE ###
288
289print <<END
290 <form method='post' enctype='multipart/form-data'>
291 <table>
292 <tr>
293 <td class="h topleft" /td>
294END
295;
296
297# Fill the table header with all physical NICs
298foreach (@nics) {
299 my $mac = $_->[0];
300 my $nic = $_->[1];
301
302 print "<td class='h textcenter'>$nic<br>$mac</td>";
303}
304
305print "</tr>";
306
307foreach (@zones) {
308 print "<tr>";
309 my $uc = uc $_;
310
311 my $dev_name = $ethsettings{"${uc}_DEV"};
312
313 if ($dev_name eq "") { # If the zone is not activated, color it light grey
314 print "<td class='h disabled'>$uc</td>";
315
316 foreach (@nics) {
317 print "<td class='disabled'/>";
318 }
319
320 print "</tr>";
321 next;
322 }
323
324 if ($uc eq "RED") {
325 my $red_type = $ethsettings{"RED_TYPE"};
326 my $red_restricted = ($uc eq "RED" && ! ($red_type eq "STATIC" || $red_type eq "DHCP"));
327
328 # VLANs/Bridging is not possible if the RED interface is set to PPP, PPPoE, VDSL, ...
329 if ($red_restricted) {
330 print "<td class='h $_'>$uc<br>($red_type)</td>";
331
332 foreach (@nics) {
333 my $mac = $_->[0];
334 my $checked = "";
335
336 if ($mac eq $ethsettings{"${uc}_MACADDR"}) {
337 $checked = "checked";
338 }
339
340 print "<td class='textcenter'><input type='radio' id='PPPACCESS $mac' name='PPPACCESS' value='$mac' $checked></td>";
341 }
342
343 print "</tr>";
344 next; # We're done here
345 }
346 }
347
348 my %mode_selected = ();
349 my $zone_mode = $ethsettings{"${uc}_MODE"};
350
351 if ($zone_mode eq "") {
352 $mode_selected{"DEFAULT"} = "selected";
353 } elsif ($zone_mode eq "bridge") {
354 $mode_selected{"BRIDGE"} = "selected";
355 } elsif ($zone_mode eq "macvtap") {
356 $mode_selected{"MACVTAP"} = "selected";
357 }
358
359 print <<END
360 <td class='h $_'>$uc<br>
361 <select name="MODE $uc">
362 <option value="DEFAULT" $mode_selected{"DEFAULT"}>$Lang::tr{"zoneconf nicmode default"}</option>
363 <option value="BRIDGE" $mode_selected{"BRIDGE"}>$Lang::tr{"zoneconf nicmode bridge"}</option>
364 <option value="MACVTAP" $mode_selected{"MACVTAP"}>$Lang::tr{"zoneconf nicmode macvtap"}</option>
365 </select>
366 </td>
367END
368;
369
370 # ZONE_PARENT_DEV is set if this zone accesses any interface via a VLAN
371 my $zone_parent_dev = $vlansettings{"${uc}_PARENT_DEV"};
372
373 # If ZONE_PARENT_DEV is set to a NICs name (e.g. green0 or eth0) instead of a MAC address, we have to find out this NICs MAC address
374 $zone_parent_dev = &Network::get_mac_by_name($zone_parent_dev);
375
376 foreach (@nics) { # Check for all nics if they are assigned to the current zone
377 my %access_selected = ();
378 my $mac = $_->[0];
379 my $wlan = $_->[2];
380 my $field_disabled = "disabled"; # Only enable the VLAN ID input field if the current access mode is VLAN
381 my $zone_vlan_id = "";
382
383 # If the current NIC is accessed by the current zone via a VLAN, the ZONE_PARENT_DEV option corresponds to the current NIC
384 if ($mac eq $zone_parent_dev) {
385 $access_selected{"VLAN"} = "selected";
386 $field_disabled = "";
387 $zone_vlan_id = $vlansettings{"${uc}_VLAN_ID"};
388 }
389
390 # If the current zone is in bridge mode, all corresponding NICs (Native as well as VLAN) are set via the ZONE_SLAVES option
391 if ($zone_mode eq "bridge") {
392 my @slaves = split(/ /, $ethsettings{"${uc}_SLAVES"});
393
394 foreach (@slaves) {
395 # Slaves can be set to a NICs name so we have to find out its MAC address
396 $_ = &Network::get_mac_by_name($_);
397
398 if ($_ eq $mac) {
399 $access_selected{"NATIVE"} = "selected";
400 last;
401 }
402 }
403 } else { # Native access via ZONE_MACADDR is only set if the zone does not access a NIC via a VLAN and the zone is not in bridge mode
404 if ($mac eq $ethsettings{"${uc}_MACADDR"}) {
405 $access_selected{"NATIVE"} = "selected";
406 }
407 }
408
409 $access_selected{"NONE"} = ($access_selected{"NATIVE"} eq "") && ($access_selected{"VLAN"} eq "") ? "selected" : "";
410 my $vlan_disabled = ($wlan) ? "disabled" : "";
411
412 print <<END
413 <td class="textcenter">
414 <select name="ACCESS $uc $mac" onchange="document.getElementById('TAG $uc $mac').disabled = (this.value === 'VLAN' ? false : true)">
03fd6855 415 <option value="NONE" $access_selected{"NONE"}>- $Lang::tr{"zoneconf access none"} -</option>
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416 <option value="NATIVE" $access_selected{"NATIVE"}>$Lang::tr{"zoneconf access native"}</option>
417 <option value="VLAN" $access_selected{"VLAN"} $vlan_disabled>$Lang::tr{"zoneconf access vlan"}</option>
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418 </select>
419 <input type="number" id="TAG $uc $mac" name="TAG $uc $mac" min="1" max="4095" value="$zone_vlan_id" $field_disabled>
420 </td>
421END
422;
423
424 }
425 print "</tr>";
426}
427
428print <<END
429 </table>
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430
431 <div id="submit-container">
432 <input type="submit" name="ACTION" value="$Lang::tr{"save"}">
433 </div>
434</form>
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435END
436;
437
438### END OF TABLE ###
439
440&Header::closebox();
441&Header::closebigbox();
442&Header::closepage();