port: ethernet: Return OK only to rename ports
[people/ms/network.git] / src / hooks / ports / ethernet
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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
8c63fa13 22. /usr/lib/network/header-port
711ffac1 23
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24# Default MTU
25DEFAULT_MTU=1500
26
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27# DEVICE equals the actual MAC address of the device.
28# If ADDRESS is set, the device will get ADDRESS set for its MAC address.
29
ef53293c 30HOOK_SETTINGS="HOOK ADDRESS DEVICE MTU"
711ffac1 31
1c6a4e30 32hook_check_settings() {
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33 assert ismac DEVICE
34
35 if isset ADDRESS; then
36 assert ismac ADDRESS
37 fi
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38
39 if isset MTU; then
40 assert mtu_is_valid "ethernet" "${MTU}"
41 fi
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42}
43
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44hook_parse_cmdline() {
45 while [ $# -gt 0 ]; do
46 case "${1}" in
47 --address=*)
48 ADDRESS="$(cli_get_val "${1}")"
49
50 if ! mac_is_valid "${ADDRESS}"; then
51 error "Invalid MAC address: ${ADDRESS}"
52 return ${EXIT_ERROR}
53 fi
54 ;;
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55
56 --mtu=*)
57 MTU="$(cli_get_val "${1}")"
58
59 if ! mtu_is_valid "ethernet" "${MTU}"; then
60 error "Invalid MTU: ${MTU}"
61 return ${EXIT_ERROR}
62 fi
63 ;;
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64 *)
65 error "Unknown argument: ${1}"
66 return ${EXIT_ERROR}
67 ;;
68 esac
69 shift
70 done
71}
72
ef53293c 73hook_up() {
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74 local port="${1}"
75
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76 local ${HOOK_SETTINGS}
77 if ! port_settings_read "${port}" ${HOOK_SETTINGS}; then
78 log ERROR "Could not read settings for port ${port}"
79 return ${EXIT_ERROR}
80 fi
81
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82 # Set MAC address, if needed
83 if isset ADDRESS; then
84 device_set_address "${port}" "${ADDRESS}"
85 fi
86
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87 # Set MTU
88 if isset MTU; then
89 device_set_mtu "${port}" "${MTU}"
90 else
91 device_set_mtu "${port}" "${DEFAULT_MTU}"
92 fi
93
94 # Bring up the device
95 device_set_up "${port}"
96
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97 exit ${EXIT_OK}
98}
99
1c6a4e30 100hook_remove() {
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101 exit ${EXIT_OK}
102}
103
1c6a4e30 104hook_hotplug_rename() {
8895cf8f 105 local port=${1}
8895cf8f 106 assert isset port
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107
108 local device=${2}
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109 assert isset device
110
64b7bffd 111 # Read in the conifguration file.
e9df08ad 112 port_settings_read "${port}" ${HOOK_SETTINGS}
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113
114 # Get the current MAC address of the device.
115 local address=$(device_get_address ${device})
116 assert isset address
8895cf8f 117
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118 # Check if the address matches with the configuration.
119 if list_match "${address}" ${DEVICE} ${ADDRESS}; then
8c63fa13 120 log DEBUG "Device '${device}' equals port '${port}'."
2f7adf2c 121 exit ${EXIT_OK}
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122 fi
123
8c63fa13 124 log DEBUG "Device '${device}' does not equal port '${port}'."
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125 exit ${EXIT_ERROR}
126}