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6d4eec4c MT |
1 | #!/bin/bash |
2 | ############################################################################### | |
3 | # # | |
4 | # IPFire.org - A linux based firewall # | |
5 | # Copyright (C) 2012 IPFire Network Development Team # | |
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 | ||
22a61046 MT |
22 | WPA_SUPPLICANT_SOCKET_DIR="${RUN_DIR}/wpa_supplicant/ctrl" |
23 | ||
f1b49125 MT |
24 | wpa_supplicant_config_header() { |
25 | config_header "WPA supplicant configuration file" | |
26 | ||
27 | # Set control socket directory. | |
28 | print "ctrl_interface=${WPA_SUPPLICANT_SOCKET_DIR}" | |
29 | ||
30 | # Honour country | |
b7ab3b4f | 31 | local country="$(wireless_get_reg_domain)" |
f1b49125 MT |
32 | if isset country; then |
33 | print "country=${country}" | |
34 | fi | |
35 | ||
36 | print # end of header | |
37 | } | |
38 | ||
1c6a4e30 | 39 | wpa_supplicant_config_write() { |
02807ad2 MT |
40 | local device="${1}" |
41 | shift | |
6d4eec4c | 42 | |
02807ad2 | 43 | assert isset device |
6d4eec4c | 44 | |
231bce76 | 45 | local file="${WPA_SUPPLICANT_CONF_DIR}/${device}.conf" |
22a61046 | 46 | |
31670741 | 47 | local ap_scan=1 mode key ssid |
4c1a5e6d | 48 | local channel |
22a61046 MT |
49 | |
50 | local arg | |
51 | for arg in "$@"; do | |
52 | case "${arg}" in | |
53 | --ap-scan=*) | |
2212045f | 54 | ap_scan=$(cli_get_val "${arg}") |
22a61046 | 55 | ;; |
4c1a5e6d MT |
56 | --channel=*) |
57 | channel=$(cli_get_val "${arg}") | |
58 | ;; | |
22a61046 | 59 | --mode=*) |
2212045f | 60 | mode=$(cli_get_val "${arg}") |
22a61046 MT |
61 | |
62 | # Empty signals no encryption. | |
63 | isset mode || mode="NONE" | |
6d4eec4c | 64 | ;; |
22a61046 | 65 | --ssid=*) |
2212045f | 66 | ssid=$(cli_get_val "${arg}") |
6d4eec4c MT |
67 | ;; |
68 | --key=*) | |
2212045f | 69 | key=$(cli_get_val "${arg}") |
22a61046 MT |
70 | ;; |
71 | *) | |
72 | error "Unrecognized argument: ${arg}" | |
73 | return ${EXIT_ERROR} | |
6d4eec4c MT |
74 | ;; |
75 | esac | |
6d4eec4c MT |
76 | done |
77 | ||
22a61046 MT |
78 | assert isinteger ap_scan |
79 | assert isset mode | |
80 | ||
81 | local auth_alg key_mgmt proto ssid psk wep_key0 wep_tx_keyidx | |
4c1a5e6d | 82 | local operation_mode |
31670741 | 83 | local country_code="$(wireless_get_reg_domain)" |
22a61046 MT |
84 | |
85 | case "${mode}" in | |
86 | # Normal WPA. | |
87 | WPA-PSK) | |
88 | auth_alg="OPEN" | |
89 | key_mgmt="WPA-PSK" | |
90 | proto="WPA" | |
91 | pairwise="CCMP TKIP" | |
92 | group="CCMP TKIP WEP104 WEP40" | |
93 | ;; | |
94 | ||
95 | # WPA with stronger algorithms. | |
96 | WPA-PSK-SHA256) | |
97 | auth_alg="OPEN" | |
98 | key_mgmt="WPA-PSK-SHA256" | |
99 | proto="WPA" | |
100 | pairwise="CCMP TKIP" | |
101 | group="CCMP TKIP WEP104 WEP40" | |
102 | ;; | |
103 | ||
104 | # Normal WPA2 (802.11i). | |
105 | WPA2-PSK) | |
106 | auth_alg="OPEN" | |
107 | key_mgmt="WPA-PSK" | |
108 | proto="RSN" | |
109 | pairwise="CCMP TKIP" | |
110 | group="CCMP TKIP WEP104 WEP40" | |
111 | ;; | |
112 | ||
113 | # WPA2 with stronger algorithms. | |
114 | WPA2-PSK-SHA256) | |
115 | auth_alg="OPEN" | |
116 | key_mgmt="WPA-PSK-SHA256" | |
117 | proto="RSN" | |
118 | pairwise="CCMP TKIP" | |
119 | group="CCMP TKIP WEP104 WEP40" | |
120 | ;; | |
121 | ||
122 | # WEP. | |
123 | WEP) | |
124 | auth_alg="SHARED" | |
125 | wep_key0="${key}" | |
126 | wep_tx_keyidx="0" | |
127 | ||
128 | # Reset PSK. | |
129 | psk="" | |
130 | ;; | |
131 | ||
132 | # IEEE 802.1X | |
133 | 8021X) | |
134 | key_mgmt="IEEE8021X" | |
135 | ;; | |
136 | ||
4c1a5e6d MT |
137 | # IEEE 802.11s without authentication |
138 | 802.11s) | |
139 | operation_mode="mesh" | |
140 | ||
141 | # Use SAE when we got a PSK | |
b7b18ba3 | 142 | if isset key; then |
4c1a5e6d MT |
143 | key_mgmt="SAE" |
144 | else | |
145 | key_mgmt="NONE" | |
146 | fi | |
147 | ;; | |
148 | ||
22a61046 MT |
149 | # No encryption. DANGEROUS! |
150 | NONE) | |
151 | auth_alg="OPEN" | |
152 | key_mgmt="NONE" | |
153 | ;; | |
154 | *) | |
155 | log ERROR "Unknown mode: ${mode}" | |
156 | return ${EXIT_ERROR} | |
157 | ;; | |
158 | esac | |
159 | ||
231bce76 | 160 | # Ensure we can write the file |
46954be3 | 161 | make_parent_directory "${file}" |
22a61046 MT |
162 | |
163 | config_header "WPA supplicant configuration file" > ${file} | |
164 | ||
165 | # AP scanning/selection | |
166 | print "ap_scan=${ap_scan}" >> ${file} | |
167 | ||
168 | # Set country code, if known. | |
169 | if isset country_code; then | |
170 | print "country=\"${country_code}\"" >> ${file} | |
171 | fi | |
172 | ||
173 | # Set control socket directory. | |
174 | print "ctrl_interface=${WPA_SUPPLICANT_SOCKET_DIR}" >> ${file} | |
175 | ||
176 | ( | |
177 | print # Network section | |
178 | print "network={" | |
179 | ||
180 | if isset auth_alg; then | |
181 | print " auth_alg=${auth_alg}" | |
182 | fi | |
183 | ||
184 | if isset key_mgmt; then | |
185 | print " key_mgmt=${key_mgmt}" | |
186 | fi | |
187 | ||
188 | if isset proto; then | |
189 | print " proto=${proto}" | |
190 | fi | |
6d4eec4c | 191 | |
22a61046 | 192 | if isset ssid; then |
aaf34099 | 193 | print " ssid=\"${ssid}\"" |
22a61046 MT |
194 | fi |
195 | ||
196 | if isset key; then | |
197 | print " psk=\"${key}\"" | |
198 | fi | |
199 | ||
4c1a5e6d MT |
200 | # Operation Mode |
201 | case "${operation_mode}" in | |
202 | ibss) | |
203 | print " mode=1" | |
204 | ;; | |
205 | mesh) | |
206 | print " mode=5" | |
207 | ;; | |
208 | esac | |
209 | ||
210 | # Frequency | |
211 | if isset channel; then | |
212 | print " frequency=$(wireless_channel_to_frequency "${channel}")" | |
213 | fi | |
214 | ||
22a61046 MT |
215 | if isset wep_key0; then |
216 | print " wep_key0=\"${wep_key0}\"" | |
217 | fi | |
218 | ||
219 | if isset wep_tx_keyidx; then | |
220 | print " wep_tx_keyidx=${wep_tx_keyidx}" | |
221 | fi | |
222 | ||
223 | print "}" | |
224 | ) >> ${file} | |
225 | ||
226 | return ${EXIT_OK} | |
6d4eec4c MT |
227 | } |
228 | ||
02807ad2 MT |
229 | wpa_supplicant_config_destroy() { |
230 | local device="${1}" | |
231 | assert isset device | |
232 | ||
231bce76 | 233 | file_delete "${WPA_SUPPLICANT_CONF_DIR}/${device}.conf" |
6d4eec4c MT |
234 | } |
235 | ||
1c6a4e30 | 236 | wpa_supplicant_start() { |
6d4eec4c | 237 | local device=${1} |
22a61046 | 238 | assert isset device |
6d4eec4c | 239 | |
22a61046 MT |
240 | service_start "wpa_supplicant@${device}.service" |
241 | } | |
6d4eec4c | 242 | |
1c6a4e30 | 243 | wpa_supplicant_stop() { |
22a61046 MT |
244 | local device=${1} |
245 | assert isset device | |
6d4eec4c | 246 | |
22a61046 MT |
247 | service_stop "wpa_supplicant@${device}.service" |
248 | } | |
249 | ||
1c6a4e30 | 250 | wpa_supplicant_client() { |
22a61046 MT |
251 | local device=${1} |
252 | assert isset device | |
253 | shift | |
6d4eec4c | 254 | |
22a61046 MT |
255 | local cmd="$@" |
256 | assert isset cmd | |
257 | ||
258 | # Run the command and return the output. | |
259 | cmd wpa_cli -p${WPA_SUPPLICANT_SOCKET_DIR} -i${device} ${cmd} | |
6d4eec4c MT |
260 | } |
261 | ||
1c6a4e30 | 262 | wpa_cli_status() { |
6d4eec4c | 263 | local device=${1} |
22a61046 MT |
264 | assert isset device |
265 | ||
266 | wpa_supplicant_client ${device} status verbose | |
267 | } | |
6d4eec4c | 268 | |
1c6a4e30 | 269 | wpa_cli_status_get() { |
22a61046 | 270 | local device=${1} |
6d4eec4c MT |
271 | assert isset device |
272 | ||
22a61046 MT |
273 | local arg=${2} |
274 | assert isset arg | |
6d4eec4c | 275 | |
22a61046 MT |
276 | local line key |
277 | while read -r line; do | |
278 | key=$(cli_get_key ${line}) | |
6d4eec4c | 279 | |
22a61046 MT |
280 | if [ "${key}" = "${arg}" ]; then |
281 | cli_get_val "${line}" | |
282 | return ${EXIT_OK} | |
283 | fi | |
284 | done <<< "$(wpa_cli_status ${device})" | |
285 | ||
286 | return ${EXIT_ERROR} | |
6d4eec4c MT |
287 | } |
288 | ||
1c6a4e30 | 289 | wpa_cli_bss() { |
6d4eec4c | 290 | local device=${1} |
22a61046 MT |
291 | assert isset device |
292 | ||
293 | local bss=${2} | |
294 | assert isset bss | |
6d4eec4c | 295 | |
22a61046 MT |
296 | wpa_supplicant_client ${device} bss ${bss} |
297 | } | |
298 | ||
1c6a4e30 | 299 | wpa_cli_bss_get() { |
22a61046 | 300 | local device=${1} |
6d4eec4c MT |
301 | assert isset device |
302 | ||
22a61046 MT |
303 | local bss=${2} |
304 | assert isset bss | |
6d4eec4c | 305 | |
22a61046 MT |
306 | local arg=${3} |
307 | assert isset arg | |
6d4eec4c | 308 | |
22a61046 MT |
309 | local line key |
310 | while read -r line; do | |
311 | key=$(cli_get_key ${line}) | |
312 | ||
313 | if [ "${key}" = "${arg}" ]; then | |
314 | cli_get_val "${line}" | |
315 | return ${EXIT_OK} | |
316 | fi | |
317 | done <<< "$(wpa_cli_bss ${device} ${bss})" | |
318 | ||
319 | return ${EXIT_ERROR} | |
6d4eec4c MT |
320 | } |
321 | ||
1c6a4e30 | 322 | wpa_cli_bss_get_frequency() { |
6d4eec4c | 323 | local device=${1} |
6d4eec4c MT |
324 | assert isset device |
325 | ||
22a61046 MT |
326 | local bssid=${2} |
327 | assert isset bssid | |
6d4eec4c | 328 | |
22a61046 MT |
329 | wpa_cli_bss_get ${device} ${bssid} freq |
330 | } | |
6d4eec4c | 331 | |
1c6a4e30 | 332 | wpa_cli_bss_get_noise() { |
22a61046 MT |
333 | local device=${1} |
334 | assert isset device | |
335 | ||
336 | local bssid=${2} | |
337 | assert isset bssid | |
338 | ||
339 | wpa_cli_bss_get ${device} ${bssid} noise | |
6d4eec4c MT |
340 | } |
341 | ||
1c6a4e30 | 342 | wpa_cli_bss_get_quality() { |
22a61046 MT |
343 | local device=${1} |
344 | assert isset device | |
6d4eec4c | 345 | |
22a61046 MT |
346 | local bssid=${2} |
347 | assert isset bssid | |
348 | ||
324c09bc MT |
349 | local quality=$(wpa_cli_bss_get ${device} ${bssid} qual) |
350 | ||
351 | # Convert to percent | |
352 | print $(( ${quality} * 100 / 70 )) | |
6d4eec4c MT |
353 | } |
354 | ||
1c6a4e30 | 355 | wpa_cli_bss_get_flags() { |
22a61046 MT |
356 | local device=${1} |
357 | assert isset device | |
358 | ||
359 | local bssid=${2} | |
360 | assert isset bssid | |
6d4eec4c | 361 | |
22a61046 | 362 | wpa_cli_bss_get ${device} ${bssid} flags |
6d4eec4c | 363 | } |