2 ###############################################################################
4 # IPFire.org - A linux based firewall #
5 # Copyright (C) 2010 Michael Tremer & Christian Schmidt #
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. #
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. #
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/>. #
20 ###############################################################################
27 if device_exists
${device}; then
33 for d
in $
(devices_get_all
); do
34 if [ "$(device_get_address ${d})" = "${device}" ]; then
48 if mac_is_valid
${device}; then
53 if device_exists
${device}; then
54 device_get_address
${device}
61 # Check if the device exists
62 function device_exists
() {
65 # If device name was not found, exit.
66 [ -n "${device}" ] ||
return ${EXIT_ERROR}
68 [ -d "${SYS_CLASS_NET}/${device}" ]
71 # Check if the device is up
72 function device_is_up
() {
75 device_exists
${device} ||
return ${EXIT_ERROR}
77 ip link show
${device} 2>/dev
/null |
grep -qE "<.*UP.*>"
80 # Check if the device is a bonding device
81 function device_is_bonding
() {
82 [ -d "/sys/class/net/${1}/bonding" ]
85 # Check if the device bonded in a bonding device
86 function device_is_bonded
() {
89 [ -d "${SYS_CLASS_NET}/${device}/master" ]
92 # Check if the device is a bridge
93 function device_is_bridge
() {
94 [ -d "/sys/class/net/${1}/bridge" ]
97 function device_is_bridge_attached
() {
100 [ -d "${SYS_CLASS_NET}/${device}/brport" ]
103 # Check if the device is a virtual device
104 function device_is_virtual
() {
107 [ -e "/proc/net/vlan/${device}" ]
110 # Check if the device has virtual devices
111 function device_has_virtuals
() {
114 if device_is_virtual
${device}; then
118 if [ ! -e "/proc/net/vlan/config" ]; then
121 grep -q "${1}$" /proc
/net
/vlan
/config
124 # Check if the device is a ppp device
125 function device_is_ppp
() {
128 ip link show
${device} 2>/dev
/null |
grep -qE "<.*POINTOPOINT.*>"
131 # Check if the device is a loopback device
132 function device_is_loopback
() {
133 local device
=$
(devicify
${1})
134 [ "${device}" = "lo" ]
137 # Check if the device is a physical network interface
138 function device_is_real
() {
141 device_is_loopback
${device} && \
144 device_is_bonding
${device} && \
147 device_is_bridge
${device} && \
150 device_is_ppp
${device} && \
153 device_is_virtual
${device} && \
159 # Get the device type
160 function device_get_type
() {
161 local device
=$
(devicify
${1})
163 if device_is_virtual
${device}; then
166 elif device_is_bonding
${device}; then
169 elif device_is_bridge
${device}; then
172 elif device_is_ppp
${device}; then
175 elif device_is_loopback
${device}; then
178 elif device_is_real
${device}; then
186 function device_get_status
() {
191 local status
=${STATUS_UNKNOWN}
193 if ! device_has_carrier
${device}; then
194 status
=${STATUS_NOCARRIER}
195 elif device_is_up
${device}; then
197 elif device_is_down
${device}; then
198 status
=${STATUS_DOWN}
206 function device_get_address
() {
209 cat ${SYS_CLASS_NET}/${device}/address
2>/dev
/null
212 function device_set_address
() {
216 if ! device_exists
${device}; then
217 error
"Device '${device}' does not exist."
221 log INFO
"Setting address of '${device}' to '${addr}' - was $(device_get_address ${device})."
224 if device_is_up
${device}; then
225 device_set_down
${device}
229 ip link
set ${device} address
${addr}
232 if [ "${up}" = "1" ]; then
233 device_set_up
${device}
236 if [ "${ret}" != "0" ]; then
237 error_log
"Could not set address '${addr}' on device '${device}'."
243 function device_get
() {
247 for device
in ${SYS_CLASS_NET}/*; do
248 device
=$
(basename ${device})
250 # bonding_masters is no device
251 [ "${device}" = "bonding_masters" ] && continue
253 devices
="${devices} ${device}"
260 function devices_get_all
() {
264 # Check if a device has a cable plugged in
265 function device_has_carrier
() {
266 local device
=$
(devicify
${1})
267 [ "$(<${SYS_CLASS_NET}/${device}/carrier)" = "1" ]
270 function device_is_promisc
() {
273 ip link show
${device} |
grep -qE "<.*PROMISC.*>"
276 # Check if the device is free
277 function device_is_free
() {
281 # Check if the device is used
282 function device_is_used
() {
283 local device
=$
(devicify
${1})
285 device_has_virtuals
${device} && \
287 device_is_bonded
${device} && \
289 device_is_bridge_attached
${device} && \
295 # XXX to be removed I think
296 function device_get_free
() {
297 local destination
=${1}
299 # Replace + by a valid number
300 if grep -q "+$" <<<${destination}; then
302 destination
=$
(sed -e "s/+//" <<<$destination)
303 while [ "${number}" -le "100" ]; do
304 if ! device_exists
"${destination}${number}"; then
305 destination
="${destination}${number}"
308 number
=$
(($number + 1))
311 echo "${destination}"
314 function device_hash
() {
317 # Get mac address of device and remove all colons (:)
318 # that will result in a hash.
319 device
=$
(macify
${device})
324 # Give the device a new name
325 function device_set_name
() {
327 local destination
=$
(device_get_free
${2})
329 # Check if devices exists
330 if ! device_exists
${source} || device_exists
${destination}; then
335 if device_is_up
${source}; then
336 ip link
set ${source} down
340 ip link
set ${source} name
${destination}
342 if [ "${up}" = "1" ]; then
343 ip link
set ${destination} up
348 function device_set_up
() {
349 local device
=$
(devicify
${1})
351 # Silently fail if device was not found
352 [ -z "${device}" ] && return ${EXIT_ERROR}
354 # Do nothing if device is already up
355 device_is_up
${device} && return ${EXIT_OK}
357 device_set_parent_up
${device}
359 log DEBUG
"Setting up device '${device}'"
361 ip link
set ${device} up
364 function device_set_parent_up
() {
368 if device_is_virtual
${device}; then
369 parent
=$
(virtual_get_parent
${device})
371 device_is_up
${parent} && return ${EXIT_OK}
373 log DEBUG
"Setting up parent device '${parent}' of '${device}'"
375 device_set_up
${parent}
383 function device_set_down
() {
384 local device
=$
(devicify
${1})
388 if device_is_up
${device}; then
389 log DEBUG
"Tearing down device '${device}'"
391 ip link
set ${device} down
395 device_set_parent_down
${device}
400 function device_set_parent_down
() {
404 if device_is_virtual
${device}; then
405 parent
=$
(virtual_get_parent
${device})
407 device_is_up
${parent} ||
return ${EXIT_OK}
409 if device_is_free
${parent}; then
410 log DEBUG
"Tearing down parent device '${parent}' of '${device}'"
412 device_set_down
${parent}
419 function device_get_mtu
() {
422 if ! device_exists
${device}; then
423 error
"Device '${device}' does not exist."
427 echo $
(<${SYS_CLASS_NET}/${device}/mtu
)
430 # Set mtu to a device
431 function device_set_mtu
() {
435 if ! device_exists
${device}; then
436 error
"Device '${device}' does not exist."
440 local oldmtu
=$
(device_get_mtu
${device})
442 if [ "${oldmtu}" = "${mtu}" ]; then
443 # No need to set mtu.
447 log INFO
"Setting mtu of '${device}' to '${mtu}' - was ${oldmtu}."
450 if device_is_up
${device}; then
451 device_set_down
${device}
455 ip link
set ${device} mtu
${mtu}
458 if [ "${up}" = "1" ]; then
459 device_set_up
${device}
462 if [ "${ret}" != "0" ]; then
463 error_log
"Could not set mtu '${mtu}' on device '${device}'."
469 function device_discover
() {
472 log INFO
"Running discovery process on device '${device}'."
475 for hook
in $
(hook_zone_get_all
); do
476 hook_zone_exec
${hook} discover
${device}
480 function device_has_ipv4
() {
484 if ! device_exists
${device}; then
485 error
"Device '${device}' does not exist."
489 ip addr show
${device} |
grep -q -e "inet " -e "${addr}"
492 function device_has_ipv6
() {
496 if ! device_exists
${device}; then
497 error
"Device '${device}' does not exist."
501 local prefix
=${addr##*/}
502 addr
=$
(ipv6_implode
${addr%%/*})
504 if [ -n "${prefix}" ]; then
505 addr
="${addr}/${prefix}"
508 ip addr show
${device} |
grep -q "inet6 ${addr}"
511 function __device_get_file
() {
518 cat ${SYS_CLASS_NET}/${device}/${file}
521 function device_get_rx_bytes
() {
524 __device_get_file
${device} statistics
/rx_bytes
527 function device_get_tx_bytes
() {
530 __device_get_file
${device} statistics
/tx_bytes
533 function device_get_rx_packets
() {
536 __device_get_file
${device} statistics
/rx_packets
539 function device_get_tx_packets
() {
542 __device_get_file
${device} statistics
/tx_packets
545 function device_get_rx_errors
() {
548 __device_get_file
${device} statistics
/rx_errors
551 function device_get_tx_errors
() {
554 __device_get_file
${device} statistics
/tx_errors