vlan: Rename tag to id
[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         "ID"
27         "PARENT_PORT"
28 )
29
30 PORT_PARENTS_VAR="PARENT_PORT"
31
32 hook_check_settings() {
33         assert isset PARENT_PORT
34         assert isinteger ID
35
36         if isset ADDRESS; then
37                 assert ismac ADDRESS
38         fi
39
40         if [ ${ID} -gt 4096 ]; then
41                 error "ID is greater than 4096."
42                 exit ${EXIT_ERROR}
43         fi
44
45         local reserved
46         for reserved in 0 4095; do
47                 if [ "${ID}" = "${reserved}" ]; then
48                         error "ID=${reserved} is reserved."
49                         exit ${EXIT_ERROR}
50                 fi
51         done
52 }
53
54 hook_find_port_name() {
55         assert isset ID
56         assert isset PARENT_PORT
57
58         print "${PARENT_PORT}${VLAN_PORT_INTERFIX}${ID}"
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 ${EXIT_CONF_ERROR}
71                                 fi
72                                 ;;
73                         --id=*)
74                                 ID=$(cli_get_val "${1}")
75                                 ;;
76                         --port=*)
77                                 PARENT_PORT=$(cli_get_val "${1}")
78
79                                 # Check if PARENT_PORT exists
80                                 if ! port_exists "${PARENT_PORT}"; then
81                                         error "Port '${PARENT_PORT}' does not exist"
82                                         return ${EXIT_CONF_ERROR}
83                                 fi
84                                 ;;
85                         *)
86                                 error "Unknown argument '${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 ${EXIT_OK}
104
105         # Read configruation
106         if ! port_settings_read "${port}"; then
107                 return ${EXIT_ERROR}
108         fi
109
110         # Check if the parent port exists
111         if ! port_exists "${PARENT_PORT}"; then
112                 error "Port '${PARENT_PORT}' does not exist"
113                 return ${EXIT_ERROR}
114         fi
115
116         # Create the partent port first
117         if ! port_create "${PARENT_PORT}"; then
118                 error "Could not bring up parent port: ${PARENT_PORT}"
119                 return ${EXIT_ERROR}
120         fi
121
122         # Create the VLAN device
123         if ! vlan_create "${port}" \
124                         --address="${ADDRESS}" \
125                         --id="${id}" \
126                         --parent="${PARENT_PORT}"; then
127                 error "Could not create port: ${port}"
128                 return ${EXIT_ERROR}
129         fi
130
131         return ${EXIT_OK}
132 }
133
134 hook_remove() {
135         local port="${1}"
136         assert isset port
137
138         if device_exists "${port}"; then
139                 vlan_remove "${port}"
140         fi
141
142         exit ${EXIT_OK}
143 }