]>
git.ipfire.org Git - people/stevee/network.git/blob - src/udev/network-hotplug-rename
5aa2f64b1b3d9f1513487ffc2150abc7c8fb3cb5
2 ###############################################################################
4 # IPFire.org - A linux based firewall #
5 # Copyright (C) 2011 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 ###############################################################################
23 LOG_FACILITY
="network-hotplug-rename"
24 LOG_DISABLE_STDOUT
="true"
26 .
/usr
/lib
/network
/functions
28 # Read network configuration.
32 LOCKFILE
="${RUN_DIR}/.rename_lock"
34 lock_release
${LOCKFILE}
36 trap cleanup EXIT TERM KILL
38 # Check if the INTERFACE variable is properly set.
39 assert isset INTERFACE
41 # Log what we are doing here.
42 log DEBUG
"Called for interface '${INTERFACE}'."
44 # Just check if the device has already vanished.
45 device_exists
${INTERFACE} ||
exit ${EXIT_ERROR}
47 # Acquiring lock for this operation.
48 lock_acquire
${LOCKFILE}
50 # Check if the device is already in use and
51 # prevent the script to touch it in any way.
52 if ! device_is_free
${INTERFACE}; then
53 log ERROR
"The device '${INTERFACE}' is in use."
57 # Determine the type of the device and then see what
58 # we need to do with it.
59 type=$
(device_get_type
${INTERFACE})
60 log DEBUG
"Interface '${INTERFACE}' is of type '${type}'."
64 # Search within all the port configurations
65 # if this port has already been configured.
66 for port
in $
(ports_get_all
); do
67 port_cmd hotplug_rename
${port} ${INTERFACE} &>/dev
/null
68 if [ $?
-eq ${EXIT_TRUE} ]; then
74 # If no port configuration could be found,
75 # we search for the next unused name and return that.
76 port
=$
(port_find_free
${PORT_PATTERN})
79 log DEBUG
"Could not find an existing port configuration for '${INTERFACE}'."
80 log DEBUG
"${INTERFACE} --> ${port}"