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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 | # DEVICE equals the actual MAC address of the device. | |
25 | # If ADDRESS is set, the device will get ADDRESS set for its MAC address. | |
26 | ||
27 | HOOK_SETTINGS="ADDRESS ADVERTISED_LINK_SPEEDS DEVICE OFFLOADING MTU" | |
28 | ||
29 | hook_check_settings() { | |
30 | assert ismac DEVICE | |
31 | ||
32 | if isset ADDRESS; then | |
33 | assert ismac ADDRESS | |
34 | fi | |
35 | ||
36 | if isset MTU; then | |
37 | assert mtu_is_valid "ethernet" "${MTU}" | |
38 | fi | |
39 | ||
40 | if isset MODES; then | |
41 | local mode | |
42 | for mode in ${MODES}; do | |
43 | assert [ -n "${DEVICE_LINK_SPEEDS[${mode}]}" ] | |
44 | done | |
45 | fi | |
46 | } | |
47 | ||
48 | hook_parse_cmdline() { | |
49 | while [ $# -gt 0 ]; do | |
50 | case "${1}" in | |
51 | --address=*) | |
52 | ADDRESS="$(cli_get_val "${1}")" | |
53 | ||
54 | if ! mac_is_valid "${ADDRESS}"; then | |
55 | error "Invalid MAC address: ${ADDRESS}" | |
56 | return ${EXIT_ERROR} | |
57 | fi | |
58 | ;; | |
59 | ||
60 | --advertised-link-speeds=*) | |
61 | ADVERTISED_LINK_SPEEDS="$(cli_get_val "${1}")" | |
62 | ||
63 | local speed | |
64 | for speed in ${ADVERTISED_LINK_SPEEDS}; do | |
65 | if [ -z "${DEVICE_LINK_SPEEDS[${speed}]}" ]; then | |
66 | error "Unsupported link speed: ${speed}" | |
67 | return ${EXIT_ERROR} | |
68 | fi | |
69 | done | |
70 | ;; | |
71 | ||
72 | --mtu=*) | |
73 | MTU="$(cli_get_val "${1}")" | |
74 | ||
75 | if ! mtu_is_valid "ethernet" "${MTU}"; then | |
76 | error "Invalid MTU: ${MTU}" | |
77 | return ${EXIT_ERROR} | |
78 | fi | |
79 | ;; | |
80 | ||
81 | --offloading=*) | |
82 | OFFLOADING="$(cli_get_val "${1}")" | |
83 | ||
84 | if enabled OFFLOADING; then | |
85 | OFFLOADING="on" | |
86 | elif disabled OFFLOADING; then | |
87 | OFFLOADING="off" | |
88 | else | |
89 | error "Invalid value for offloading: ${OFFLOADING}" | |
90 | return ${EXIT_ERROR} | |
91 | fi | |
92 | ;; | |
93 | ||
94 | *) | |
95 | error "Unknown argument: ${1}" | |
96 | return ${EXIT_ERROR} | |
97 | ;; | |
98 | esac | |
99 | shift | |
100 | done | |
101 | } | |
102 | ||
103 | # This function is only called automatically by hotplug to create | |
104 | # a new ethernet port. | |
105 | hook_new() { | |
106 | local port="${1}" | |
107 | assert isset port | |
108 | ||
109 | local device="${2}" | |
110 | assert isset device | |
111 | ||
112 | local DEVICE="$(device_get_address "${device}")" | |
113 | ||
114 | if ! port_settings_write "${port}" ${HOOK_SETTINGS}; then | |
115 | log ERROR "Could not write settings for port ${port}" | |
116 | return ${EXIT_ERROR} | |
117 | fi | |
118 | ||
119 | return ${EXIT_OK} | |
120 | } | |
121 | ||
122 | hook_create() { | |
123 | return ${EXIT_OK} | |
124 | } | |
125 | ||
126 | hook_up() { | |
127 | local port="${1}" | |
128 | ||
129 | local ${HOOK_SETTINGS} | |
130 | if ! port_settings_read "${port}" ${HOOK_SETTINGS}; then | |
131 | log ERROR "Could not read settings for port ${port}" | |
132 | return ${EXIT_ERROR} | |
133 | fi | |
134 | ||
135 | # Set MAC address, if needed | |
136 | if isset ADDRESS; then | |
137 | device_set_address "${port}" "${ADDRESS}" | |
138 | fi | |
139 | ||
140 | # Set MTU | |
141 | if isset MTU; then | |
142 | device_set_mtu "${port}" "${MTU}" | |
143 | else | |
144 | device_set_mtu "${port}" "${DEFAULT_MTU}" | |
145 | fi | |
146 | ||
147 | # Set link speeds | |
148 | if isset ADVERTISED_LINK_SPEEDS; then | |
149 | device_advertise_link_speeds "${port}" ${ADVERTISED_LINK_SPEEDS} | |
150 | fi | |
151 | ||
152 | # Auto-enable or disable hardware offloading | |
153 | if ! isset OFFLOADING || enabled OFFLOADING; then | |
154 | offloading_auto "${port}" | |
155 | else | |
156 | offloading_disable_all "${port}" | |
157 | fi | |
158 | ||
159 | # Bring up the device | |
160 | device_set_up "${port}" | |
161 | ||
162 | exit ${EXIT_OK} | |
163 | } | |
164 | ||
165 | hook_remove() { | |
166 | exit ${EXIT_OK} | |
167 | } | |
168 | ||
169 | hook_hotplug_rename() { | |
170 | local port=${1} | |
171 | assert isset port | |
172 | ||
173 | local device=${2} | |
174 | assert isset device | |
175 | ||
176 | # Read in the conifguration file. | |
177 | port_settings_read "${port}" ${HOOK_SETTINGS} | |
178 | ||
179 | # Get the current MAC address of the device. | |
180 | local address=$(device_get_address ${device}) | |
181 | assert isset address | |
182 | ||
183 | # Check if the address matches with the configuration. | |
184 | if list_match "${address}" ${DEVICE} ${ADDRESS}; then | |
185 | log DEBUG "Device '${device}' equals port '${port}'." | |
186 | exit ${EXIT_OK} | |
187 | fi | |
188 | ||
189 | log DEBUG "Device '${device}' does not equal port '${port}'." | |
190 | exit ${EXIT_ERROR} | |
191 | } |