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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_PORT_PATTERN="${PORT_PATTERN_ACCESSPOINT}" | |
25 | ||
26 | HOOK_SETTINGS="HOOK ADDRESS BROADCAST_SSID CHANNEL MODE PHY SSID" | |
27 | HOOK_SETTINGS="${HOOK_SETTINGS} ENCRYPTION KEY" | |
28 | ||
29 | ADDRESS=$(mac_generate) | |
30 | BROADCAST_SSID=on | |
31 | CHANNEL=1 | |
32 | ENCRYPTION="" | |
33 | KEY="" | |
34 | SSID= | |
35 | ||
36 | hook_check_settings() { | |
37 | assert isset ADDRESS | |
38 | assert ismac ADDRESS | |
39 | assert isset BROADCAST_SSID | |
40 | assert isbool BROADCAST_SSID | |
41 | assert isset CHANNEL | |
42 | assert isset MODE | |
43 | assert isoneof MODE ${HOSTAPD_SUPPORTED_MODES} | |
44 | assert isset PHY | |
45 | assert ismac PHY | |
46 | assert isset SSID | |
47 | ||
48 | if isset ENCRYPTION; then | |
49 | assert isoneof ENCRYPTION WPA WPA2 WPA/WPA2 | |
50 | ||
51 | assert isset KEY | |
52 | assert [ ${#KEY} -ge 8 ] | |
53 | assert [ ${#KEY} -le 63 ] | |
54 | fi | |
55 | } | |
56 | ||
57 | hook_parse_cmdline() { | |
58 | while [ $# -gt 0 ]; do | |
59 | case "${1}" in | |
60 | --broadcast-ssid=*) | |
61 | BROADCAST_SSID=$(cli_get_val "${1}") | |
62 | ;; | |
63 | --channel=*) | |
64 | CHANNEL=$(cli_get_val "${1}") | |
65 | ;; | |
66 | --encryption=*) | |
67 | ENCRYPTION=$(cli_get_val "${1}") | |
68 | ;; | |
69 | --key=*) | |
70 | KEY=$(cli_get_val "${1}") | |
71 | ;; | |
72 | --mac=*) | |
73 | ADDRESS=$(cli_get_val "${1}") | |
74 | ;; | |
75 | --mode=*) | |
76 | MODE=$(cli_get_val "${1}") | |
77 | ||
78 | if ! isoneof MODE ${HOSTAPD_SUPPORTED_MODES}; then | |
79 | error "Unsupported mode: ${MODE}" | |
80 | error "Mode must be one of ${HOSTAPD_SUPPORTED_MODES}" | |
81 | return ${EXIT_ERROR} | |
82 | fi | |
83 | ;; | |
84 | --phy=*) | |
85 | PHY=$(cli_get_val "${1}") | |
86 | ;; | |
87 | --ssid=*) | |
88 | SSID=$(cli_get_val "${1}") | |
89 | ;; | |
90 | *) | |
91 | warning "Ignoring unknown argument '${1}'" | |
92 | ;; | |
93 | esac | |
94 | shift | |
95 | done | |
96 | ||
97 | # MODE must be set | |
98 | if ! isset MODE; then | |
99 | error "--mode is not set" | |
100 | return ${EXIT_ERROR} | |
101 | fi | |
102 | ||
103 | # Save address of phy do identify it again | |
104 | PHY=$(phy_get ${PHY}) | |
105 | PHY=$(phy_get_address ${PHY}) | |
106 | } | |
107 | ||
108 | hook_edit() { | |
109 | local port=${1} | |
110 | assert isset port | |
111 | ||
112 | if ! hook_default_edit "$@"; then | |
113 | return ${EXIT_ERROR} | |
114 | fi | |
115 | ||
116 | # To apply all changes, we need to restart the port | |
117 | port_restart "${port}" | |
118 | } | |
119 | ||
120 | hook_create() { | |
121 | local port="${1}" | |
122 | assert isset port | |
123 | ||
124 | device_exists "${port}" && exit ${EXIT_OK} | |
125 | ||
126 | port_settings_read "${port}" ${HOOK_SETTINGS} | |
127 | ||
128 | # Check if the PHY is present. | |
129 | local phy=$(phy_get ${PHY}) | |
130 | if ! isset phy; then | |
131 | log DEBUG "phy '${PHY}' is not present" | |
132 | exit ${EXIT_ERROR} | |
133 | fi | |
134 | ||
135 | # Create the wireless device | |
136 | wireless_create "${port}" \ | |
137 | --phy="${phy}" \ | |
138 | --type="ap" \ | |
139 | --address="${ADDRESS}" | |
140 | ||
141 | exit ${EXIT_OK} | |
142 | } | |
143 | ||
144 | hook_remove() { | |
145 | local port="${1}" | |
146 | assert isset port | |
147 | ||
148 | # Remove the device if present | |
149 | if device_exists "${port}"; then | |
150 | wireless_remove "${port}" | |
151 | fi | |
152 | ||
153 | exit ${EXIT_OK} | |
154 | } | |
155 | ||
156 | hook_up() { | |
157 | local port="${1}" | |
158 | assert isset port | |
159 | ||
160 | # The port must already exist before | |
161 | # hostapd is started. Otherwise it will | |
162 | # fail horribly over and over again. | |
163 | assert device_exists "${port}" | |
164 | ||
165 | hostapd_start "${port}" | |
166 | } | |
167 | ||
168 | hook_down() { | |
169 | local port="${1}" | |
170 | assert isset port | |
171 | ||
172 | hostapd_stop "${port}" | |
173 | } | |
174 | ||
175 | hook_hotplug() { | |
176 | local port="${1}" | |
177 | assert isset port | |
178 | ||
179 | case "$(hotplug_action)" in | |
180 | add) | |
181 | # Create the port when the phy is plugged in | |
182 | if hotplug_event_port_uses_phy "${port}"; then | |
183 | hook_create "${port}" | |
184 | fi | |
185 | ;; | |
186 | ||
187 | remove) | |
188 | # Stop hostapd | |
189 | if hotplug_event_port_is_interface "${port}"; then | |
190 | hostapd_stop "${port}" | |
191 | ||
192 | exit ${EXIT_OK} | |
193 | fi | |
194 | ;; | |
195 | esac | |
196 | ||
197 | exit ${EXIT_NOT_HANDLED} | |
198 | } |