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1848564d MT |
1 | #!/bin/bash |
2 | ############################################################################### | |
3 | # # | |
4 | # IPFire.org - A linux based firewall # | |
5 | # Copyright (C) 2010 Michael Tremer & Christian Schmidt # | |
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 | ||
e2aa12b3 | 22 | . /usr/lib/network/header-zone |
1848564d | 23 | |
de125810 MT |
24 | HOOK_MANPAGE="network-zone-bridge" |
25 | ||
4e0bc093 | 26 | HOOK_SETTINGS="HOOK STP STP_FORWARD_DELAY STP_HELLO STP_MAXAGE" |
6b3f9c85 | 27 | HOOK_SETTINGS="${HOOK_SETTINGS} STP_PRIORITY MAC MTU" |
1848564d | 28 | |
828eb94a MT |
29 | HOOK_PORT_SETTINGS="COST PRIORITY" |
30 | ||
1848564d | 31 | # Default values |
0430028a | 32 | MAC="" |
1848564d MT |
33 | MTU=1500 |
34 | STP="on" | |
35 | STP_FORWARD_DELAY=0 | |
36 | STP_HELLO=2 | |
37 | STP_MAXAGE=20 | |
e266c18e | 38 | STP_PRIORITY=512 |
1848564d | 39 | |
1c6a4e30 | 40 | hook_check_settings() { |
1848564d MT |
41 | assert ismac MAC |
42 | assert isbool STP | |
43 | assert isinteger STP_HELLO | |
44 | assert isinteger STP_FORWARD_DELAY | |
d82cf370 | 45 | assert isinteger STP_PRIORITY |
1848564d MT |
46 | assert isinteger MTU |
47 | } | |
48 | ||
1c6a4e30 | 49 | hook_parse_cmdline() { |
1848564d MT |
50 | while [ $# -gt 0 ]; do |
51 | case "${1}" in | |
52 | --stp=*) | |
53 | STP=${1#--stp=} | |
54 | ;; | |
55 | --stp-hello=*) | |
56 | STP_HELLO=${1#--stp-hello=} | |
57 | ;; | |
58 | --stp-forward-delay=*) | |
59 | STP_FORWARD_DELAY=${1#--stp-forward-delay=} | |
60 | ;; | |
d82cf370 MT |
61 | --stp-priority=*) |
62 | STP_PRIORITY=${1#--stp-priority=} | |
63 | ;; | |
1848564d MT |
64 | --mtu=*) |
65 | MTU=${1#--mtu=} | |
66 | ;; | |
67 | --mac=*) | |
68 | MAC=${1#--mac=} | |
69 | ;; | |
70 | *) | |
71 | warning "Ignoring unknown option '${1}'" | |
72 | ;; | |
73 | esac | |
74 | shift | |
75 | done | |
0430028a MT |
76 | |
77 | # Generate a random MAC address if the user passed no one | |
78 | isset MAC || MAC="$(mac_generate)" | |
1848564d MT |
79 | } |
80 | ||
1c6a4e30 | 81 | hook_up() { |
1848564d | 82 | local zone=${1} |
99be6026 | 83 | assert isset zone |
1848564d | 84 | |
1e6f187e | 85 | zone_settings_read "${zone}" |
1848564d | 86 | |
99be6026 | 87 | # Create the bridge if it does not already exist. |
2a969c27 MT |
88 | if ! device_exists "${zone}"; then |
89 | bridge_create "${zone}" \ | |
90 | --address="${MAC}" \ | |
91 | --mtu="${MTU}" | |
99be6026 | 92 | fi |
1848564d MT |
93 | |
94 | # Enable STP | |
95 | if enabled STP; then | |
2a969c27 | 96 | stp_enable "${zone}" |
1848564d | 97 | |
2a969c27 MT |
98 | if isset STP_FORWARD_DELAY; then |
99 | stp_bridge_set_forward_delay "${zone}" "${STP_FORWARD_DELAY}" | |
1848564d MT |
100 | fi |
101 | ||
2a969c27 MT |
102 | if isset STP_HELLO; then |
103 | stp_bridge_set_hello_time "${zone}" "${STP_HELLO}" | |
1848564d MT |
104 | fi |
105 | ||
2a969c27 MT |
106 | if isset STP_MAXAGE; then |
107 | stp_bridge_set_max_age "${zone}" "${STP_MAXAGE}" | |
1848564d | 108 | fi |
d82cf370 | 109 | |
2a969c27 MT |
110 | if isset STP_PRIORITY; then |
111 | stp_bridge_set_priority "${zone}" "${STP_PRIORITY}" | |
d82cf370 | 112 | fi |
1848564d | 113 | else |
2a969c27 | 114 | stp_disable "${zone}" |
1848564d MT |
115 | fi |
116 | ||
2a969c27 | 117 | device_set_up "${zone}" |
1848564d | 118 | |
cf6e4606 MT |
119 | # XXX Currently, there is a bug (in the linux kernel?) that we need to |
120 | # set our bridges to promisc mode. | |
2a969c27 MT |
121 | device_set_promisc "${zone}" on |
122 | ||
2a969c27 MT |
123 | # Bring up all configurations |
124 | zone_configs_up "${zone}" | |
125 | ||
126 | exit ${EXIT_OK} | |
127 | } | |
128 | ||
1c6a4e30 | 129 | hook_hotplug() { |
2a969c27 MT |
130 | local zone="${1}" |
131 | assert isset zone | |
cf6e4606 | 132 | |
2a969c27 MT |
133 | case "$(hotplug_action)" in |
134 | add) | |
9b47451e MT |
135 | # Attach all ports when zone is coming up |
136 | if hotplug_event_interface_is_zone "${zone}"; then | |
137 | # Bring up all ports | |
138 | local port | |
139 | for port in $(zone_get_ports "${zone}"); do | |
140 | log DEBUG "Trying to attach port ${port} to ${zone}" | |
141 | ||
142 | hook_port_up "${zone}" "${port}" | |
143 | done | |
144 | ||
2a969c27 | 145 | # Handle ports of this zone that have just been added |
9b47451e | 146 | elif hotplug_event_interface_is_port_of_zone "${zone}"; then |
eaa34bff MT |
147 | # Attach the device if the parent bridge is up |
148 | if zone_is_active "${zone}"; then | |
149 | hook_port_up "${zone}" "${INTERFACE}" | |
2a969c27 | 150 | fi |
2a969c27 MT |
151 | fi |
152 | ;; | |
153 | remove) | |
9b47451e MT |
154 | if hotplug_event_interface_is_zone "${zone}"; then |
155 | # Bring down/destroy all ports | |
156 | local port | |
157 | for port in $(zone_get_ports "${zone}"); do | |
158 | log DEBUG "Trying to detach port ${port} from ${zone}" | |
159 | ||
160 | hook_port_down "${zone}" "${port}" | |
161 | done | |
162 | ||
2a969c27 | 163 | # Handle ports of this zone that have just been removed |
9b47451e | 164 | elif hotplug_event_interface_is_port_of_zone "${zone}"; then |
2a969c27 MT |
165 | hook_port_down "${zone}" "${INTERFACE}" |
166 | fi | |
167 | ;; | |
168 | *) | |
169 | exit ${EXIT_NOT_HANDLED} | |
170 | ;; | |
171 | esac | |
1848564d | 172 | |
8dcb2687 | 173 | exit ${EXIT_OK} |
1848564d MT |
174 | } |
175 | ||
1c6a4e30 | 176 | hook_down() { |
2a969c27 | 177 | local zone="${1}" |
99be6026 | 178 | assert isset zone |
1848564d | 179 | |
2a969c27 | 180 | if ! device_is_up "${zone}"; then |
1848564d MT |
181 | warning "Zone '${zone}' is not up" |
182 | exit ${EXIT_OK} | |
183 | fi | |
184 | ||
2a969c27 MT |
185 | # Stop all the configs. |
186 | zone_configs_down "${zone}" | |
1848564d | 187 | |
2a969c27 MT |
188 | # Bring down all the ports. |
189 | zone_ports_down "${zone}" | |
1ba6a2bb | 190 | zone_ports_remove "${zone}" |
cf6e4606 | 191 | |
2a969c27 MT |
192 | # Remove the bridge. |
193 | device_set_down "${zone}" | |
194 | bridge_delete "${zone}" | |
1848564d | 195 | |
8dcb2687 | 196 | exit ${EXIT_OK} |
1848564d MT |
197 | } |
198 | ||
1c6a4e30 | 199 | hook_status() { |
2a969c27 | 200 | local zone="${1}" |
3cb2fc42 | 201 | assert isset zone |
e84e4e76 | 202 | |
3cb2fc42 | 203 | # Print the default header. |
2a969c27 | 204 | cli_device_headline "${zone}" |
e84e4e76 MT |
205 | |
206 | # Exit if zone is down | |
2a969c27 | 207 | if ! zone_is_up "${zone}"; then |
e84e4e76 MT |
208 | echo # Empty line |
209 | exit ${EXIT_ERROR} | |
210 | fi | |
211 | ||
3cb2fc42 | 212 | cli_headline 2 "Spanning Tree Protocol information" |
2a969c27 | 213 | if stp_is_enabled "${zone}"; then |
3cb2fc42 MT |
214 | cli_print_fmt1 2 "ID" "$(stp_bridge_get_id ${zone})" |
215 | cli_print_fmt1 2 "Priority" "$(stp_bridge_get_priority ${zone})" | |
36e3fd2f MT |
216 | |
217 | if stp_bridge_is_root ${zone}; then | |
3cb2fc42 | 218 | cli_print 2 "This bridge is root." |
36e3fd2f | 219 | else |
3cb2fc42 MT |
220 | cli_print_fmt1 2 "Designated root" \ |
221 | "$(stp_bridge_get_designated_root ${zone})" | |
222 | cli_print_fmt1 2 "Root path cost" \ | |
223 | "$(stp_bridge_get_root_path_cost ${zone})" | |
36e3fd2f | 224 | fi |
3cb2fc42 | 225 | cli_space |
feb76eaf | 226 | |
36e3fd2f | 227 | # Topology information |
3cb2fc42 MT |
228 | cli_print_fmt1 2 "Topology changing" \ |
229 | "$(stp_bridge_get_topology_change_detected ${zone})" | |
230 | cli_print_fmt1 2 "Topology change time" \ | |
231 | "$(beautify_time $(stp_bridge_get_topology_change_timer ${zone}))" | |
232 | cli_print_fmt1 2 "Topology change count" \ | |
233 | "$(stp_bridge_get_topology_change_count ${zone})" | |
234 | cli_space | |
feb76eaf | 235 | else |
3cb2fc42 MT |
236 | cli_print 2 "Disabled" |
237 | cli_space | |
feb76eaf | 238 | fi |
e84e4e76 | 239 | |
50250b79 | 240 | cli_headline 2 "Ports" |
2a969c27 | 241 | zone_ports_status "${zone}" |
8e3508ac | 242 | cli_space |
e84e4e76 | 243 | |
50250b79 | 244 | cli_headline 2 "Configurations" |
2a969c27 | 245 | zone_configs_cmd status "${zone}" |
3cb2fc42 | 246 | cli_space |
8e3508ac | 247 | |
e84e4e76 MT |
248 | exit ${EXIT_OK} |
249 | } | |
828eb94a | 250 | |
1c6a4e30 | 251 | hook_check_port_settings() { |
ac694a6a MT |
252 | if isset COST; then |
253 | assert isinteger COST | |
254 | fi | |
828eb94a | 255 | |
ac694a6a MT |
256 | if isset PRIORITY; then |
257 | assert isinteger PRIORITY | |
258 | fi | |
828eb94a MT |
259 | } |
260 | ||
1c6a4e30 | 261 | hook_port_attach() { |
828eb94a MT |
262 | # Excepting at least two arguments here |
263 | assert [ $# -ge 2 ] | |
264 | ||
265 | local zone="${1}" | |
266 | local port="${2}" | |
267 | shift 2 | |
268 | ||
ac694a6a MT |
269 | if zone_has_port "${zone}" "${port}"; then |
270 | zone_port_settings_read "${zone}" "${port}" | |
271 | fi | |
828eb94a | 272 | |
ac694a6a MT |
273 | local arg |
274 | local val | |
275 | while read arg; do | |
276 | case "${arg}" in | |
277 | --cost=*) | |
278 | COST="$(cli_get_val "${arg}")" | |
279 | ;; | |
280 | --priority=*) | |
281 | PRIORITY="$(cli_get_val "${arg}")" | |
282 | ;; | |
283 | esac | |
2212045f | 284 | done <<< "$(args "$@")" |
828eb94a | 285 | |
ac694a6a MT |
286 | if ! zone_port_settings_write "${zone}" "${port}"; then |
287 | exit ${EXIT_ERROR} | |
288 | fi | |
828eb94a MT |
289 | |
290 | exit ${EXIT_OK} | |
291 | } | |
292 | ||
1c6a4e30 | 293 | hook_port_detach() { |
828eb94a MT |
294 | assert [ $# -eq 2 ] |
295 | ||
296 | local zone="${1}" | |
297 | local port="${2}" | |
298 | ||
299 | # Shut down the port (if possible) | |
300 | port_down "${port}" | |
301 | ||
ac694a6a MT |
302 | if ! zone_port_settings_remove "${zone}" "${port}"; then |
303 | exit ${EXIT_ERROR} | |
304 | fi | |
828eb94a MT |
305 | |
306 | exit ${EXIT_OK} | |
307 | } | |
308 | ||
1c6a4e30 | 309 | hook_port_edit() { |
2212045f | 310 | hook_port_attach "$@" |
ac694a6a MT |
311 | } |
312 | ||
1c6a4e30 | 313 | hook_port_up() { |
828eb94a MT |
314 | assert [ $# -eq 2 ] |
315 | ||
316 | local zone="${1}" | |
317 | local port="${2}" | |
318 | ||
2a969c27 MT |
319 | # Try bringing up the port if it has not been |
320 | # brought up before. | |
321 | # We will get here as soon as the port device has | |
322 | # been created and will then connect it with the bridge. | |
3ee5ccb1 | 323 | if ! device_exists "${port}"; then |
75985eb1 | 324 | port_create "${port}" |
2a969c27 | 325 | |
9b47451e | 326 | return ${EXIT_OK} |
3ee5ccb1 MT |
327 | fi |
328 | ||
329 | # Read configuration values | |
330 | zone_port_settings_read "${zone}" "${port}" ${HOOK_PORT_SETTINGS} | |
828eb94a | 331 | |
8707df4b MT |
332 | # Make sure that the port is up |
333 | port_up "${port}" | |
334 | ||
3ee5ccb1 | 335 | # Attach the port to the bridge |
828eb94a MT |
336 | bridge_attach_device "${zone}" "${port}" |
337 | ||
3ee5ccb1 | 338 | # Set STP configuration |
2c083d57 MT |
339 | if isset COST; then |
340 | stp_port_set_cost "${zone}" "${port}" "${COST}" | |
341 | fi | |
342 | ||
424b8280 MT |
343 | if isset PRIORITY; then |
344 | stp_port_set_priority "${zone}" "${port}" "${PRIORITY}" | |
345 | fi | |
828eb94a | 346 | |
9b47451e | 347 | return ${EXIT_OK} |
828eb94a MT |
348 | } |
349 | ||
1c6a4e30 | 350 | hook_port_down() { |
828eb94a MT |
351 | assert [ $# -eq 2 ] |
352 | ||
353 | local zone="${1}" | |
354 | local port="${2}" | |
355 | ||
2a969c27 MT |
356 | if device_exists "${port}"; then |
357 | bridge_detach_device "${zone}" "${port}" | |
828eb94a | 358 | |
2a969c27 MT |
359 | port_down "${port}" |
360 | fi | |
828eb94a | 361 | |
9b47451e | 362 | return ${EXIT_OK} |
828eb94a MT |
363 | } |
364 | ||
1c6a4e30 | 365 | hook_port_status() { |
828eb94a MT |
366 | assert [ $# -eq 2 ] |
367 | ||
368 | local zone="${1}" | |
369 | local port="${2}" | |
370 | ||
371 | # Do nothing for devices which are not up and running. | |
372 | device_exists "${port}" || exit ${EXIT_OK} | |
373 | ||
374 | local status | |
375 | ||
376 | # Check if the device is down. | |
377 | if ! device_is_up "${port}"; then | |
378 | status="${MSG_DEVICE_STATUS_DOWN}" | |
379 | ||
380 | # Check if the device has no carrier. | |
381 | elif ! device_has_carrier "${port}"; then | |
382 | status="${MSG_DEVICE_STATUS_NOCARRIER}" | |
383 | ||
384 | # Check for STP information. | |
385 | elif stp_is_enabled "${zone}"; then | |
386 | local state="$(stp_port_get_state "${zone}" "${port}")" | |
387 | state="MSG_STP_${state}" | |
388 | status="${!state}" | |
389 | ||
390 | status="${status} - DSR: $(stp_port_get_designated_root "${zone}" "${port}")" | |
391 | status="${status} - Cost: $(stp_port_get_cost "${zone}" "${port}")" | |
392 | else | |
393 | status="${MSG_DEVICE_STATUS_UP}" | |
394 | fi | |
395 | cli_statusline 3 "${port}" "${status}" | |
396 | ||
397 | exit ${EXIT_OK} | |
398 | } |