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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 | ||
6b3f9c85 MT |
26 | HOOK_SETTINGS="HOOK STP STP_FORWARD_DELAY STP_HELLO STP_MAXAGE STP_MODE" |
27 | HOOK_SETTINGS="${HOOK_SETTINGS} STP_PRIORITY MAC MTU" | |
1848564d | 28 | |
828eb94a MT |
29 | HOOK_PORT_SETTINGS="COST PRIORITY" |
30 | ||
1848564d MT |
31 | # Default values |
32 | MAC=$(mac_generate) | |
33 | MTU=1500 | |
34 | STP="on" | |
6b3f9c85 | 35 | STP_MODE="rstp" |
1848564d MT |
36 | STP_FORWARD_DELAY=0 |
37 | STP_HELLO=2 | |
38 | STP_MAXAGE=20 | |
e266c18e | 39 | STP_PRIORITY=512 |
1848564d | 40 | |
2181765d | 41 | function hook_check() { |
1848564d MT |
42 | assert ismac MAC |
43 | assert isbool STP | |
6b3f9c85 | 44 | assert isoneof STP_MODE stp rstp |
1848564d MT |
45 | assert isinteger STP_HELLO |
46 | assert isinteger STP_FORWARD_DELAY | |
d82cf370 | 47 | assert isinteger STP_PRIORITY |
1848564d MT |
48 | assert isinteger MTU |
49 | } | |
50 | ||
2181765d | 51 | function hook_parse_cmdline() { |
1848564d MT |
52 | while [ $# -gt 0 ]; do |
53 | case "${1}" in | |
54 | --stp=*) | |
55 | STP=${1#--stp=} | |
56 | ;; | |
6b3f9c85 MT |
57 | --stp-mode=*) |
58 | STP_MODE=${1#--stp-mode=} | |
59 | ;; | |
1848564d MT |
60 | --stp-hello=*) |
61 | STP_HELLO=${1#--stp-hello=} | |
62 | ;; | |
63 | --stp-forward-delay=*) | |
64 | STP_FORWARD_DELAY=${1#--stp-forward-delay=} | |
65 | ;; | |
d82cf370 MT |
66 | --stp-priority=*) |
67 | STP_PRIORITY=${1#--stp-priority=} | |
68 | ;; | |
1848564d MT |
69 | --mtu=*) |
70 | MTU=${1#--mtu=} | |
71 | ;; | |
72 | --mac=*) | |
73 | MAC=${1#--mac=} | |
74 | ;; | |
75 | *) | |
76 | warning "Ignoring unknown option '${1}'" | |
77 | ;; | |
78 | esac | |
79 | shift | |
80 | done | |
81 | } | |
82 | ||
2181765d | 83 | function hook_up() { |
1848564d | 84 | local zone=${1} |
99be6026 | 85 | assert isset zone |
1848564d | 86 | |
e9df08ad | 87 | zone_settings_read "${zone}" ${HOOK_SETTINGS} |
1848564d | 88 | |
99be6026 | 89 | # Create the bridge if it does not already exist. |
2a969c27 MT |
90 | if ! device_exists "${zone}"; then |
91 | bridge_create "${zone}" \ | |
92 | --address="${MAC}" \ | |
93 | --mtu="${MTU}" | |
99be6026 | 94 | fi |
1848564d MT |
95 | |
96 | # Enable STP | |
97 | if enabled STP; then | |
2a969c27 | 98 | stp_enable "${zone}" |
1848564d | 99 | |
2a969c27 MT |
100 | if isset STP_FORWARD_DELAY; then |
101 | stp_bridge_set_forward_delay "${zone}" "${STP_FORWARD_DELAY}" | |
1848564d MT |
102 | fi |
103 | ||
2a969c27 MT |
104 | if isset STP_HELLO; then |
105 | stp_bridge_set_hello_time "${zone}" "${STP_HELLO}" | |
1848564d MT |
106 | fi |
107 | ||
2a969c27 MT |
108 | if isset STP_MAXAGE; then |
109 | stp_bridge_set_max_age "${zone}" "${STP_MAXAGE}" | |
1848564d | 110 | fi |
d82cf370 | 111 | |
2a969c27 MT |
112 | if isset STP_PRIORITY; then |
113 | stp_bridge_set_priority "${zone}" "${STP_PRIORITY}" | |
d82cf370 | 114 | fi |
1848564d | 115 | else |
2a969c27 | 116 | stp_disable "${zone}" |
1848564d MT |
117 | fi |
118 | ||
2a969c27 | 119 | device_set_up "${zone}" |
1848564d | 120 | |
cf6e4606 MT |
121 | # XXX Currently, there is a bug (in the linux kernel?) that we need to |
122 | # set our bridges to promisc mode. | |
2a969c27 MT |
123 | device_set_promisc "${zone}" on |
124 | ||
125 | # Bring up all ports | |
126 | zone_ports_up "${zone}" | |
127 | ||
128 | # Bring up all configurations | |
129 | zone_configs_up "${zone}" | |
130 | ||
131 | exit ${EXIT_OK} | |
132 | } | |
133 | ||
134 | function hook_hotplug() { | |
135 | local zone="${1}" | |
136 | assert isset zone | |
cf6e4606 | 137 | |
2a969c27 MT |
138 | case "$(hotplug_action)" in |
139 | add) | |
140 | # Handle ports of this zone that have just been added | |
141 | if hotplug_event_interface_is_port_of_zone "${zone}"; then | |
142 | # Bring up the zone if it is enabled but not active, yet. | |
143 | if zone_is_enabled "${zone}" && ! zone_is_active "${zone}"; then | |
144 | zone_start "${zone}" | |
145 | fi | |
146 | ||
147 | hook_port_up "${zone}" "${INTERFACE}" | |
148 | fi | |
149 | ;; | |
150 | remove) | |
151 | # Handle ports of this zone that have just been removed | |
152 | if hotplug_event_interface_is_port_of_zone "${zone}"; then | |
153 | hook_port_down "${zone}" "${INTERFACE}" | |
154 | fi | |
155 | ;; | |
156 | *) | |
157 | exit ${EXIT_NOT_HANDLED} | |
158 | ;; | |
159 | esac | |
1848564d | 160 | |
8dcb2687 | 161 | exit ${EXIT_OK} |
1848564d MT |
162 | } |
163 | ||
2181765d | 164 | function hook_down() { |
2a969c27 | 165 | local zone="${1}" |
99be6026 | 166 | assert isset zone |
1848564d | 167 | |
2a969c27 | 168 | if ! device_is_up "${zone}"; then |
1848564d MT |
169 | warning "Zone '${zone}' is not up" |
170 | exit ${EXIT_OK} | |
171 | fi | |
172 | ||
2a969c27 MT |
173 | # Stop all the configs. |
174 | zone_configs_down "${zone}" | |
1848564d | 175 | |
2a969c27 MT |
176 | # Bring down all the ports. |
177 | zone_ports_down "${zone}" | |
cf6e4606 | 178 | |
2a969c27 MT |
179 | # Remove the bridge. |
180 | device_set_down "${zone}" | |
181 | bridge_delete "${zone}" | |
1848564d | 182 | |
8dcb2687 | 183 | exit ${EXIT_OK} |
1848564d MT |
184 | } |
185 | ||
2181765d | 186 | function hook_status() { |
2a969c27 | 187 | local zone="${1}" |
3cb2fc42 | 188 | assert isset zone |
e84e4e76 | 189 | |
3cb2fc42 | 190 | # Print the default header. |
2a969c27 | 191 | cli_device_headline "${zone}" |
e84e4e76 MT |
192 | |
193 | # Exit if zone is down | |
2a969c27 | 194 | if ! zone_is_up "${zone}"; then |
e84e4e76 MT |
195 | echo # Empty line |
196 | exit ${EXIT_ERROR} | |
197 | fi | |
198 | ||
3cb2fc42 | 199 | cli_headline 2 "Spanning Tree Protocol information" |
2a969c27 | 200 | if stp_is_enabled "${zone}"; then |
3cb2fc42 | 201 | local proto=$(stp_bridge_get_protocol ${zone}) |
8d4f9311 | 202 | |
3cb2fc42 MT |
203 | cli_print_fmt1 2 "Version" "$(stp_get_name ${proto})" |
204 | cli_print_fmt1 2 "ID" "$(stp_bridge_get_id ${zone})" | |
205 | cli_print_fmt1 2 "Priority" "$(stp_bridge_get_priority ${zone})" | |
36e3fd2f MT |
206 | |
207 | if stp_bridge_is_root ${zone}; then | |
3cb2fc42 | 208 | cli_print 2 "This bridge is root." |
36e3fd2f | 209 | else |
3cb2fc42 MT |
210 | cli_print_fmt1 2 "Designated root" \ |
211 | "$(stp_bridge_get_designated_root ${zone})" | |
212 | cli_print_fmt1 2 "Root path cost" \ | |
213 | "$(stp_bridge_get_root_path_cost ${zone})" | |
36e3fd2f | 214 | fi |
3cb2fc42 | 215 | cli_space |
feb76eaf | 216 | |
36e3fd2f | 217 | # Topology information |
3cb2fc42 MT |
218 | cli_print_fmt1 2 "Topology changing" \ |
219 | "$(stp_bridge_get_topology_change_detected ${zone})" | |
220 | cli_print_fmt1 2 "Topology change time" \ | |
221 | "$(beautify_time $(stp_bridge_get_topology_change_timer ${zone}))" | |
222 | cli_print_fmt1 2 "Topology change count" \ | |
223 | "$(stp_bridge_get_topology_change_count ${zone})" | |
224 | cli_space | |
feb76eaf | 225 | else |
3cb2fc42 MT |
226 | cli_print 2 "Disabled" |
227 | cli_space | |
feb76eaf | 228 | fi |
e84e4e76 | 229 | |
50250b79 | 230 | cli_headline 2 "Ports" |
2a969c27 | 231 | zone_ports_status "${zone}" |
8e3508ac | 232 | cli_space |
e84e4e76 | 233 | |
50250b79 | 234 | cli_headline 2 "Configurations" |
2a969c27 | 235 | zone_configs_cmd status "${zone}" |
3cb2fc42 | 236 | cli_space |
8e3508ac | 237 | |
e84e4e76 MT |
238 | exit ${EXIT_OK} |
239 | } | |
828eb94a MT |
240 | |
241 | function __parse_cmdline_args() { | |
242 | while [ $# -gt 0 ]; do | |
243 | case "${1}" in | |
244 | --priority=*) | |
245 | PRIORITY="$(cli_get_val ${1})" | |
246 | ;; | |
247 | --cost=*) | |
248 | COST="$(cli_get_val ${1})" | |
249 | ;; | |
250 | esac | |
251 | shift | |
252 | done | |
253 | ||
254 | return ${EXIT_OK} | |
255 | } | |
256 | ||
257 | function hook_port_add() { | |
258 | # Excepting at least two arguments here | |
259 | assert [ $# -ge 2 ] | |
260 | ||
261 | local zone="${1}" | |
262 | local port="${2}" | |
263 | shift 2 | |
264 | ||
265 | __parse_cmdline_args "$@" | |
266 | [ $? -eq ${EXIT_OK} ] || return ${EXIT_ERROR} | |
267 | ||
e9df08ad | 268 | zone_port_settings_write "${zone}" "${port}" ${HOOK_PORT_SETTINGS} |
828eb94a MT |
269 | |
270 | log INFO "Port '${port}' has been added to zone '${zone}'" | |
271 | ||
272 | exit ${EXIT_OK} | |
273 | } | |
274 | ||
275 | function hook_port_edit() { | |
276 | assert [ $# -ge 2 ] | |
277 | ||
278 | local zone="${1}" | |
279 | local port="${2}" | |
280 | shift 2 | |
281 | ||
e9df08ad | 282 | zone_port_settings_read "${zone}" "${port}" ${HOOK_PORT_SETTINGS} |
828eb94a MT |
283 | |
284 | __parse_cmdline_args "$@" | |
285 | [ $? -eq ${EXIT_OK} ] || return ${EXIT_ERROR} | |
286 | ||
e9df08ad | 287 | zone_port_settings_write "${zone}" "${port}" ${HOOK_PORT_SETTINGS} |
828eb94a MT |
288 | |
289 | log INFO "Port '${port}' (member of zone '${zone}') has been edited" | |
290 | ||
291 | exit ${EXIT_OK} | |
292 | } | |
293 | ||
294 | function hook_port_remove() { | |
295 | assert [ $# -eq 2 ] | |
296 | ||
297 | local zone="${1}" | |
298 | local port="${2}" | |
299 | ||
300 | # Shut down the port (if possible) | |
301 | port_down "${port}" | |
302 | ||
303 | log INFO "Port '${port}' has been removed from zone '${zone}'" | |
e9df08ad | 304 | zone_port_settings_remove "${zone}" "${port}" |
828eb94a MT |
305 | |
306 | exit ${EXIT_OK} | |
307 | } | |
308 | ||
309 | function hook_port_up() { | |
310 | assert [ $# -eq 2 ] | |
311 | ||
312 | local zone="${1}" | |
313 | local port="${2}" | |
314 | ||
2a969c27 MT |
315 | # Try bringing up the port if it has not been |
316 | # brought up before. | |
317 | # We will get here as soon as the port device has | |
318 | # been created and will then connect it with the bridge. | |
3ee5ccb1 | 319 | if ! device_exists "${port}"; then |
2a969c27 MT |
320 | port_up "${port}" |
321 | ||
3ee5ccb1 MT |
322 | exit ${EXIT_OK} |
323 | fi | |
324 | ||
325 | # Read configuration values | |
326 | zone_port_settings_read "${zone}" "${port}" ${HOOK_PORT_SETTINGS} | |
828eb94a | 327 | |
3ee5ccb1 | 328 | # Attach the port to the bridge |
828eb94a MT |
329 | bridge_attach_device "${zone}" "${port}" |
330 | ||
3ee5ccb1 | 331 | # Set STP configuration |
2c083d57 MT |
332 | if isset COST; then |
333 | stp_port_set_cost "${zone}" "${port}" "${COST}" | |
334 | fi | |
335 | ||
336 | # TODO Apply priority (#10609) | |
828eb94a | 337 | |
2a969c27 MT |
338 | # Make sure that the port is up |
339 | device_set_up "${port}" | |
340 | ||
828eb94a MT |
341 | exit ${EXIT_OK} |
342 | } | |
343 | ||
344 | function hook_port_down() { | |
345 | assert [ $# -eq 2 ] | |
346 | ||
347 | local zone="${1}" | |
348 | local port="${2}" | |
349 | ||
2a969c27 MT |
350 | if device_exists "${port}"; then |
351 | bridge_detach_device "${zone}" "${port}" | |
828eb94a | 352 | |
2a969c27 MT |
353 | port_down "${port}" |
354 | fi | |
828eb94a MT |
355 | |
356 | exit ${EXIT_OK} | |
357 | } | |
358 | ||
359 | function hook_port_status() { | |
360 | assert [ $# -eq 2 ] | |
361 | ||
362 | local zone="${1}" | |
363 | local port="${2}" | |
364 | ||
365 | # Do nothing for devices which are not up and running. | |
366 | device_exists "${port}" || exit ${EXIT_OK} | |
367 | ||
368 | local status | |
369 | ||
370 | # Check if the device is down. | |
371 | if ! device_is_up "${port}"; then | |
372 | status="${MSG_DEVICE_STATUS_DOWN}" | |
373 | ||
374 | # Check if the device has no carrier. | |
375 | elif ! device_has_carrier "${port}"; then | |
376 | status="${MSG_DEVICE_STATUS_NOCARRIER}" | |
377 | ||
378 | # Check for STP information. | |
379 | elif stp_is_enabled "${zone}"; then | |
380 | local state="$(stp_port_get_state "${zone}" "${port}")" | |
381 | state="MSG_STP_${state}" | |
382 | status="${!state}" | |
383 | ||
384 | status="${status} - DSR: $(stp_port_get_designated_root "${zone}" "${port}")" | |
385 | status="${status} - Cost: $(stp_port_get_cost "${zone}" "${port}")" | |
386 | else | |
387 | status="${MSG_DEVICE_STATUS_UP}" | |
388 | fi | |
389 | cli_statusline 3 "${port}" "${status}" | |
390 | ||
391 | exit ${EXIT_OK} | |
392 | } |