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d76f5107 MT |
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 | ||
8ee92277 | 22 | . /usr/lib/network/header-port |
d76f5107 | 23 | |
54bae947 MT |
24 | HOOK_PORT_PATTERN="${PORT_PATTERN_ACCESSPOINT}" |
25 | ||
40c95a6b | 26 | HOOK_SETTINGS="ADDRESS BROADCAST_SSID CHANNEL CHANNEL_BANDWIDTH DFS MODE PHY" |
7842c2ce | 27 | HOOK_SETTINGS="${HOOK_SETTINGS} ENCRYPTION ENVIRONMENT KEY SSID" |
d76f5107 MT |
28 | |
29 | ADDRESS=$(mac_generate) | |
30 | BROADCAST_SSID=on | |
1b4aa2ca | 31 | CHANNEL= |
54094fc7 | 32 | CHANNEL_BANDWIDTH= |
25e32463 MT |
33 | ENCRYPTION="" |
34 | KEY="" | |
d76f5107 MT |
35 | SSID= |
36 | ||
7b297fb2 MT |
37 | # Perform radar detection by default when possible |
38 | DFS="on" | |
39 | ||
7842c2ce MT |
40 | ENVIRONMENT="${WIRELESS_DEFAULT_ENVIRONMENT}" |
41 | ||
1c6a4e30 | 42 | hook_check_settings() { |
d76f5107 MT |
43 | assert isset ADDRESS |
44 | assert ismac ADDRESS | |
45 | assert isset BROADCAST_SSID | |
46 | assert isbool BROADCAST_SSID | |
47 | assert isset CHANNEL | |
7b297fb2 | 48 | assert isbool DFS |
d76f5107 | 49 | assert isset MODE |
6c262922 | 50 | assert isoneof MODE ${HOSTAPD_SUPPORTED_MODES} |
d76f5107 MT |
51 | assert isset PHY |
52 | assert ismac PHY | |
53 | assert isset SSID | |
25e32463 MT |
54 | |
55 | if isset ENCRYPTION; then | |
56 | assert isoneof ENCRYPTION WPA WPA2 WPA/WPA2 | |
57 | ||
58 | assert isset KEY | |
59 | assert [ ${#KEY} -ge 8 ] | |
60 | assert [ ${#KEY} -le 63 ] | |
61 | fi | |
7842c2ce MT |
62 | |
63 | assert wireless_environment_is_valid "${ENVIRONMENT}" | |
d76f5107 MT |
64 | } |
65 | ||
270aab39 | 66 | hook_parse_cmdline() { |
d76f5107 MT |
67 | while [ $# -gt 0 ]; do |
68 | case "${1}" in | |
69 | --broadcast-ssid=*) | |
2212045f | 70 | BROADCAST_SSID=$(cli_get_val "${1}") |
d76f5107 MT |
71 | ;; |
72 | --channel=*) | |
2212045f | 73 | CHANNEL=$(cli_get_val "${1}") |
d76f5107 | 74 | ;; |
54094fc7 MT |
75 | --channel-bandwidth=*) |
76 | CHANNEL_BANDWIDTH="$(cli_get_val "${1}")" | |
77 | ;; | |
7b297fb2 MT |
78 | --dfs=*) |
79 | DFS="$(cli_get_val "${1}")" | |
80 | ||
81 | if enabled DFS; then | |
82 | DFS="on" | |
83 | elif disabled DFS; then | |
84 | DFS="off" | |
85 | else | |
86 | error "Invalid value for DFS: ${DFS}" | |
87 | return ${EXIT_ERROR} | |
88 | fi | |
89 | ;; | |
25e32463 | 90 | --encryption=*) |
2212045f | 91 | ENCRYPTION=$(cli_get_val "${1}") |
25e32463 | 92 | ;; |
7842c2ce MT |
93 | --environment=*) |
94 | ENVIRONMENT="$(cli_get_val "${1}")" | |
95 | ||
96 | if ! wireless_environment_is_valid "${ENVIRONMENT}"; then | |
97 | error "Invalid wireless environment: ${ENVIRONMENT}" | |
98 | return ${EXIT_ERROR} | |
99 | fi | |
100 | ;; | |
25e32463 | 101 | --key=*) |
2212045f | 102 | KEY=$(cli_get_val "${1}") |
25e32463 | 103 | ;; |
d76f5107 | 104 | --mac=*) |
2212045f | 105 | ADDRESS=$(cli_get_val "${1}") |
d76f5107 MT |
106 | ;; |
107 | --mode=*) | |
2212045f | 108 | MODE=$(cli_get_val "${1}") |
6c262922 MT |
109 | |
110 | if ! isoneof MODE ${HOSTAPD_SUPPORTED_MODES}; then | |
111 | error "Unsupported mode: ${MODE}" | |
112 | error "Mode must be one of ${HOSTAPD_SUPPORTED_MODES}" | |
113 | return ${EXIT_ERROR} | |
114 | fi | |
d76f5107 MT |
115 | ;; |
116 | --phy=*) | |
2212045f | 117 | PHY=$(cli_get_val "${1}") |
d76f5107 MT |
118 | ;; |
119 | --ssid=*) | |
2212045f | 120 | SSID=$(cli_get_val "${1}") |
d76f5107 MT |
121 | ;; |
122 | *) | |
123 | warning "Ignoring unknown argument '${1}'" | |
124 | ;; | |
125 | esac | |
126 | shift | |
127 | done | |
128 | ||
8578e61d MT |
129 | # Generate a random MAC address if none is set |
130 | if ! isset ADDRESS; then | |
131 | ADDRESS="$(mac_generate)" | |
132 | fi | |
133 | ||
6c262922 MT |
134 | # MODE must be set |
135 | if ! isset MODE; then | |
136 | error "--mode is not set" | |
137 | return ${EXIT_ERROR} | |
138 | fi | |
139 | ||
1b4aa2ca MT |
140 | # Automatically enable ACS if no channel is set and ACS is available |
141 | if ! isset CHANNEL && phy_supports_acs "${PHY}"; then | |
142 | CHANNEL="0" | |
143 | ||
144 | log INFO "Automatic Channel Selection (ACS) enabled" | |
145 | fi | |
146 | ||
54094fc7 MT |
147 | # Channel bandwidth must match the mode |
148 | if isset CHANNEL_BANDWIDTH && ! wireless_channel_bandwidth_is_valid "${MODE}" "${CHANNEL_BANDWIDTH}"; then | |
f9e980d9 | 149 | error "Channel Bandwidth '${CHANNEL_BANDWIDTH}' is not supported for ${MODE}" |
54094fc7 MT |
150 | return ${EXIT_ERROR} |
151 | fi | |
152 | ||
d76f5107 MT |
153 | # Save address of phy do identify it again |
154 | PHY=$(phy_get ${PHY}) | |
155 | PHY=$(phy_get_address ${PHY}) | |
270aab39 MT |
156 | } |
157 | ||
1c6a4e30 | 158 | hook_edit() { |
d76f5107 | 159 | local port=${1} |
d76f5107 MT |
160 | assert isset port |
161 | ||
2212045f | 162 | if ! hook_default_edit "$@"; then |
270aab39 MT |
163 | return ${EXIT_ERROR} |
164 | fi | |
d76f5107 | 165 | |
270aab39 MT |
166 | # To apply all changes, we need to restart the port |
167 | port_restart "${port}" | |
d76f5107 MT |
168 | } |
169 | ||
1c6a4e30 | 170 | hook_create() { |
1ba6a2bb | 171 | local port="${1}" |
d76f5107 MT |
172 | assert isset port |
173 | ||
1ba6a2bb MT |
174 | device_exists "${port}" && exit ${EXIT_OK} |
175 | ||
e9df08ad | 176 | port_settings_read "${port}" ${HOOK_SETTINGS} |
d76f5107 | 177 | |
49ec20d8 MT |
178 | # Check if the PHY is present. |
179 | local phy=$(phy_get ${PHY}) | |
180 | if ! isset phy; then | |
181 | log DEBUG "phy '${PHY}' is not present" | |
182 | exit ${EXIT_ERROR} | |
183 | fi | |
184 | ||
1ba6a2bb MT |
185 | # Create the wireless device |
186 | wireless_create "${port}" \ | |
187 | --phy="${phy}" \ | |
188 | --type="ap" \ | |
189 | --address="${ADDRESS}" | |
d76f5107 MT |
190 | |
191 | exit ${EXIT_OK} | |
192 | } | |
193 | ||
1c6a4e30 | 194 | hook_remove() { |
1ba6a2bb | 195 | local port="${1}" |
d76f5107 MT |
196 | assert isset port |
197 | ||
b8026986 MT |
198 | # Remove the device if present |
199 | if device_exists "${port}"; then | |
200 | wireless_remove "${port}" | |
47859d95 | 201 | fi |
d76f5107 MT |
202 | |
203 | exit ${EXIT_OK} | |
204 | } | |
205 | ||
1c6a4e30 | 206 | hook_up() { |
1ba6a2bb MT |
207 | local port="${1}" |
208 | assert isset port | |
209 | ||
210 | # The port must already exist before | |
211 | # hostapd is started. Otherwise it will | |
212 | # fail horribly over and over again. | |
213 | assert device_exists "${port}" | |
214 | ||
215 | hostapd_start "${port}" | |
216 | } | |
217 | ||
1c6a4e30 | 218 | hook_down() { |
1ba6a2bb MT |
219 | local port="${1}" |
220 | assert isset port | |
221 | ||
222 | hostapd_stop "${port}" | |
223 | } | |
224 | ||
1c6a4e30 | 225 | hook_hotplug() { |
b8026986 | 226 | local port="${1}" |
47859d95 | 227 | assert isset port |
49ec20d8 | 228 | |
b8026986 MT |
229 | case "$(hotplug_action)" in |
230 | add) | |
1ba6a2bb MT |
231 | # Create the port when the phy is plugged in |
232 | if hotplug_event_port_uses_phy "${port}"; then | |
233 | hook_create "${port}" | |
b8026986 MT |
234 | fi |
235 | ;; | |
236 | ||
237 | remove) | |
238 | # Stop hostapd | |
239 | if hotplug_event_port_is_interface "${port}"; then | |
240 | hostapd_stop "${port}" | |
b8026986 | 241 | |
1ba6a2bb MT |
242 | exit ${EXIT_OK} |
243 | fi | |
b8026986 MT |
244 | ;; |
245 | esac | |
47859d95 | 246 | |
1ba6a2bb | 247 | exit ${EXIT_NOT_HANDLED} |
47859d95 | 248 | } |