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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 | ||
22 | . /usr/lib/network/header-port | |
23 | ||
24 | # Default MTU | |
25 | DEFAULT_MTU=1500 | |
26 | ||
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 | ||
30 | HOOK_SETTINGS="HOOK ADDRESS DEVICE MTU" | |
31 | ||
32 | hook_check_settings() { | |
33 | assert ismac DEVICE | |
34 | ||
35 | if isset ADDRESS; then | |
36 | assert ismac ADDRESS | |
37 | fi | |
38 | ||
39 | if isset MTU; then | |
40 | assert mtu_is_valid "ethernet" "${MTU}" | |
41 | fi | |
42 | } | |
43 | ||
44 | hook_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 ${EXIT_ERROR} | |
53 | fi | |
54 | ;; | |
55 | ||
56 | --mtu=*) | |
57 | MTU="$(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 | ;; | |
64 | *) | |
65 | error "Unknown argument: ${1}" | |
66 | return ${EXIT_ERROR} | |
67 | ;; | |
68 | esac | |
69 | shift | |
70 | done | |
71 | } | |
72 | ||
73 | hook_up() { | |
74 | local port="${1}" | |
75 | ||
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 ${EXIT_ERROR} | |
80 | fi | |
81 | ||
82 | # Set MAC address, if needed | |
83 | if isset ADDRESS; then | |
84 | device_set_address "${port}" "${ADDRESS}" | |
85 | fi | |
86 | ||
87 | # Set MTU | |
88 | if isset MTU; then | |
89 | device_set_mtu "${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 | ||
97 | exit ${EXIT_OK} | |
98 | } | |
99 | ||
100 | hook_remove() { | |
101 | exit ${EXIT_OK} | |
102 | } | |
103 | ||
104 | hook_hotplug_rename() { | |
105 | local port=${1} | |
106 | assert isset port | |
107 | ||
108 | local device=${2} | |
109 | assert isset device | |
110 | ||
111 | # Read in the conifguration file. | |
112 | port_settings_read "${port}" ${HOOK_SETTINGS} | |
113 | ||
114 | # Get the current MAC address of the device. | |
115 | local address=$(device_get_address ${device}) | |
116 | assert isset address | |
117 | ||
118 | # Check if the address matches with the configuration. | |
119 | if list_match "${address}" ${DEVICE} ${ADDRESS}; then | |
120 | log DEBUG "Device '${device}' equals port '${port}'." | |
121 | exit ${EXIT_OK} | |
122 | fi | |
123 | ||
124 | log DEBUG "Device '${device}' does not equal port '${port}'." | |
125 | exit ${EXIT_ERROR} | |
126 | } |