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