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