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 }