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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 | HOOK_SETTINGS=( | |
25 | "ADDRESS" | |
26 | "PARENT_PORT" | |
27 | "TAG" | |
28 | ) | |
29 | ||
30 | PORT_PARENTS_VAR="PARENT_PORT" | |
31 | ||
32 | hook_check_settings() { | |
33 | assert isset PARENT_PORT | |
34 | assert isinteger TAG | |
35 | ||
36 | if isset ADDRESS; then | |
37 | assert ismac ADDRESS | |
38 | fi | |
39 | ||
40 | if [ ${TAG} -gt 4096 ]; then | |
41 | error "TAG is greater than 4096." | |
42 | exit ${EXIT_ERROR} | |
43 | fi | |
44 | ||
45 | local reserved | |
46 | for reserved in 0 4095; do | |
47 | if [ "${TAG}" = "${reserved}" ]; then | |
48 | error "TAG=${reserved} is reserved." | |
49 | exit ${EXIT_ERROR} | |
50 | fi | |
51 | done | |
52 | } | |
53 | ||
54 | hook_find_port_name() { | |
55 | assert isset PARENT_PORT | |
56 | assert isset TAG | |
57 | ||
58 | print "${PARENT_PORT}${VLAN_PORT_INTERFIX}${TAG}" | |
59 | } | |
60 | ||
61 | hook_parse_cmdline() { | |
62 | while [ $# -gt 0 ]; do | |
63 | case "${1}" in | |
64 | --address=*) | |
65 | ADDRESS=$(cli_get_val "${1}") | |
66 | ||
67 | # Validate address | |
68 | if ! mac_is_valid "${ADDRESS}"; then | |
69 | error "Invalid MAC address given: ${ADDRESS}" | |
70 | return ${EXIT_CONF_ERROR} | |
71 | fi | |
72 | ;; | |
73 | --port=*) | |
74 | PARENT_PORT=$(cli_get_val "${1}") | |
75 | ||
76 | # Check if PARENT_PORT exists | |
77 | if ! port_exists "${PARENT_PORT}"; then | |
78 | error "Port '${PARENT_PORT}' does not exist" | |
79 | return ${EXIT_CONF_ERROR} | |
80 | fi | |
81 | ;; | |
82 | --tag=*) | |
83 | TAG=$(cli_get_val "${1}") | |
84 | ;; | |
85 | *) | |
86 | error "Unknown argument '${1}'" | |
87 | return ${EXIT_CONF_ERROR} | |
88 | ;; | |
89 | esac | |
90 | shift | |
91 | done | |
92 | ||
93 | # Generate a random MAC address if none given | |
94 | if ! isset ADDRESS; then | |
95 | ADDRESS="$(mac_generate)" | |
96 | fi | |
97 | } | |
98 | ||
99 | hook_create() { | |
100 | local port="${1}" | |
101 | assert isset port | |
102 | ||
103 | device_exists "${port}" && exit ${EXIT_OK} | |
104 | ||
105 | # Read configruation | |
106 | port_settings_read "${port}" | |
107 | ||
108 | # Create the VLAN device | |
109 | vlan_create "${port}" "${PARENT_PORT}" "${TAG}" "${ADDRESS}" | |
110 | ||
111 | exit ${EXIT_OK} | |
112 | } | |
113 | ||
114 | hook_remove() { | |
115 | local port="${1}" | |
116 | assert isset port | |
117 | ||
118 | if device_exists "${port}"; then | |
119 | vlan_remove "${port}" | |
120 | fi | |
121 | ||
122 | exit ${EXIT_OK} | |
123 | } |