39dbfffb9f3a762289f872a0183d8c443e2f3f9a
[people/ms/network.git] / src / hooks / ports / vlan
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_DEVICE"
27 "TAG"
28 )
29
30 PORT_PARENTS_VAR="PARENT"
31
32 hook_check_settings() {
33 assert isset PARENT_DEVICE
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 ${EXIT_ERROR}
50 fi
51 done
52 }
53
54 hook_find_port_name() {
55 assert isset PARENT_DEVICE
56 assert isset TAG
57
58 print "${PARENT_DEVICE}${VLAN_PORT_INTERFIX}${TAG}"
59 }
60
61 hook_parse_cmdline() {
62 while [ $# -gt 0 ]; do
63 case "${1}" in
64 --parent-device=*)
65 PARENT_DEVICE=$(cli_get_val "${1}")
66 ;;
67 --address=*)
68 ADDRESS=$(cli_get_val "${1}")
69
70 # Validate address
71 if ! mac_is_valid "${ADDRESS}"; then
72 error "Invalid MAC address given: ${ADDRESS}"
73 return ${EXIT_CONF_ERROR}
74 fi
75 ;;
76 --tag=*)
77 TAG=$(cli_get_val "${1}")
78 ;;
79 -*)
80 error "Unknown argument '${1}'"
81 return ${EXIT_CONF_ERROR}
82 ;;
83 esac
84 shift
85 done
86
87 # Generate a random MAC address if none given
88 if ! isset ADDRESS; then
89 ADDRESS="$(mac_generate)"
90 fi
91 }
92
93 hook_create() {
94 local port="${1}"
95 assert isset port
96
97 device_exists "${port}" && exit ${EXIT_OK}
98
99 # Read configruation
100 port_settings_read "${port}"
101
102 # Create the VLAN device
103 vlan_create "${port}" "${PARENT_DEVICE}" "${TAG}" "${ADDRESS}"
104
105 exit ${EXIT_OK}
106 }
107
108 hook_remove() {
109 local port="${1}"
110 assert isset port
111
112 if device_exists "${port}"; then
113 vlan_remove "${port}"
114 fi
115
116 exit ${EXIT_OK}
117 }