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be27e185 JM |
1 | /* |
2 | * wpa_supplicant - DPP | |
3 | * Copyright (c) 2017, Qualcomm Atheros, Inc. | |
18015fc8 | 4 | * Copyright (c) 2018-2019, The Linux Foundation |
be27e185 JM |
5 | * |
6 | * This software may be distributed under the terms of the BSD license. | |
7 | * See README for more details. | |
8 | */ | |
9 | ||
10 | #include "utils/includes.h" | |
11 | ||
12 | #include "utils/common.h" | |
30d27b04 | 13 | #include "utils/eloop.h" |
c02dd10d | 14 | #include "utils/ip_addr.h" |
be27e185 | 15 | #include "common/dpp.h" |
461d39af JM |
16 | #include "common/gas.h" |
17 | #include "common/gas_server.h" | |
a0d5c56f JM |
18 | #include "rsn_supp/wpa.h" |
19 | #include "rsn_supp/pmksa_cache.h" | |
be27e185 | 20 | #include "wpa_supplicant_i.h" |
a0d5c56f | 21 | #include "config.h" |
30d27b04 JM |
22 | #include "driver_i.h" |
23 | #include "offchannel.h" | |
461d39af | 24 | #include "gas_query.h" |
a0d5c56f JM |
25 | #include "bss.h" |
26 | #include "scan.h" | |
8528994e | 27 | #include "notify.h" |
be27e185 JM |
28 | #include "dpp_supplicant.h" |
29 | ||
30 | ||
30d27b04 JM |
31 | static int wpas_dpp_listen_start(struct wpa_supplicant *wpa_s, |
32 | unsigned int freq); | |
461d39af JM |
33 | static void wpas_dpp_reply_wait_timeout(void *eloop_ctx, void *timeout_ctx); |
34 | static void wpas_dpp_auth_success(struct wpa_supplicant *wpa_s, int initiator); | |
30d27b04 JM |
35 | static void wpas_dpp_tx_status(struct wpa_supplicant *wpa_s, |
36 | unsigned int freq, const u8 *dst, | |
37 | const u8 *src, const u8 *bssid, | |
38 | const u8 *data, size_t data_len, | |
39 | enum offchannel_send_action_result result); | |
f97ace34 JM |
40 | static void wpas_dpp_init_timeout(void *eloop_ctx, void *timeout_ctx); |
41 | static int wpas_dpp_auth_init_next(struct wpa_supplicant *wpa_s); | |
00d2d13d JM |
42 | static void |
43 | wpas_dpp_tx_pkex_status(struct wpa_supplicant *wpa_s, | |
44 | unsigned int freq, const u8 *dst, | |
45 | const u8 *src, const u8 *bssid, | |
46 | const u8 *data, size_t data_len, | |
47 | enum offchannel_send_action_result result); | |
30d27b04 JM |
48 | |
49 | static const u8 broadcast[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; | |
50 | ||
85fd8263 JM |
51 | /* Use a hardcoded Transaction ID 1 in Peer Discovery frames since there is only |
52 | * a single transaction in progress at any point in time. */ | |
53 | static const u8 TRANSACTION_ID = 1; | |
54 | ||
30d27b04 | 55 | |
be27e185 JM |
56 | /** |
57 | * wpas_dpp_qr_code - Parse and add DPP bootstrapping info from a QR Code | |
58 | * @wpa_s: Pointer to wpa_supplicant data | |
59 | * @cmd: DPP URI read from a QR Code | |
60 | * Returns: Identifier of the stored info or -1 on failure | |
61 | */ | |
62 | int wpas_dpp_qr_code(struct wpa_supplicant *wpa_s, const char *cmd) | |
63 | { | |
64 | struct dpp_bootstrap_info *bi; | |
30d27b04 | 65 | struct dpp_authentication *auth = wpa_s->dpp_auth; |
be27e185 | 66 | |
87d8435c | 67 | bi = dpp_add_qr_code(wpa_s->dpp, cmd); |
be27e185 JM |
68 | if (!bi) |
69 | return -1; | |
70 | ||
30d27b04 JM |
71 | if (auth && auth->response_pending && |
72 | dpp_notify_new_qr_code(auth, bi) == 1) { | |
30d27b04 JM |
73 | wpa_printf(MSG_DEBUG, |
74 | "DPP: Sending out pending authentication response"); | |
af48810b JM |
75 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_TX "dst=" MACSTR |
76 | " freq=%u type=%d", | |
77 | MAC2STR(auth->peer_mac_addr), auth->curr_freq, | |
78 | DPP_PA_AUTHENTICATION_RESP); | |
30d27b04 JM |
79 | offchannel_send_action(wpa_s, auth->curr_freq, |
80 | auth->peer_mac_addr, wpa_s->own_addr, | |
81 | broadcast, | |
dc4d271c JM |
82 | wpabuf_head(auth->resp_msg), |
83 | wpabuf_len(auth->resp_msg), | |
30d27b04 | 84 | 500, wpas_dpp_tx_status, 0); |
30d27b04 JM |
85 | } |
86 | ||
be27e185 JM |
87 | return bi->id; |
88 | } | |
89 | ||
90 | ||
95b0104a JM |
91 | static void wpas_dpp_auth_resp_retry_timeout(void *eloop_ctx, void *timeout_ctx) |
92 | { | |
93 | struct wpa_supplicant *wpa_s = eloop_ctx; | |
94 | struct dpp_authentication *auth = wpa_s->dpp_auth; | |
95 | ||
96 | if (!auth || !auth->resp_msg) | |
97 | return; | |
98 | ||
99 | wpa_printf(MSG_DEBUG, | |
100 | "DPP: Retry Authentication Response after timeout"); | |
101 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_TX "dst=" MACSTR | |
102 | " freq=%u type=%d", | |
103 | MAC2STR(auth->peer_mac_addr), auth->curr_freq, | |
104 | DPP_PA_AUTHENTICATION_RESP); | |
105 | offchannel_send_action(wpa_s, auth->curr_freq, auth->peer_mac_addr, | |
106 | wpa_s->own_addr, broadcast, | |
107 | wpabuf_head(auth->resp_msg), | |
108 | wpabuf_len(auth->resp_msg), | |
109 | 500, wpas_dpp_tx_status, 0); | |
110 | } | |
111 | ||
112 | ||
113 | static void wpas_dpp_auth_resp_retry(struct wpa_supplicant *wpa_s) | |
114 | { | |
115 | struct dpp_authentication *auth = wpa_s->dpp_auth; | |
116 | unsigned int wait_time, max_tries; | |
117 | ||
118 | if (!auth || !auth->resp_msg) | |
119 | return; | |
120 | ||
121 | if (wpa_s->dpp_resp_max_tries) | |
122 | max_tries = wpa_s->dpp_resp_max_tries; | |
123 | else | |
124 | max_tries = 5; | |
125 | auth->auth_resp_tries++; | |
126 | if (auth->auth_resp_tries >= max_tries) { | |
127 | wpa_printf(MSG_INFO, "DPP: No confirm received from initiator - stopping exchange"); | |
128 | offchannel_send_action_done(wpa_s); | |
129 | dpp_auth_deinit(wpa_s->dpp_auth); | |
130 | wpa_s->dpp_auth = NULL; | |
131 | return; | |
132 | } | |
133 | ||
134 | if (wpa_s->dpp_resp_retry_time) | |
135 | wait_time = wpa_s->dpp_resp_retry_time; | |
136 | else | |
ed2c493e | 137 | wait_time = 1000; |
95b0104a JM |
138 | wpa_printf(MSG_DEBUG, |
139 | "DPP: Schedule retransmission of Authentication Response frame in %u ms", | |
140 | wait_time); | |
141 | eloop_cancel_timeout(wpas_dpp_auth_resp_retry_timeout, wpa_s, NULL); | |
142 | eloop_register_timeout(wait_time / 1000, | |
143 | (wait_time % 1000) * 1000, | |
144 | wpas_dpp_auth_resp_retry_timeout, wpa_s, NULL); | |
145 | } | |
146 | ||
147 | ||
22f90b32 JM |
148 | static void wpas_dpp_try_to_connect(struct wpa_supplicant *wpa_s) |
149 | { | |
150 | wpa_printf(MSG_DEBUG, "DPP: Trying to connect to the new network"); | |
151 | wpa_s->disconnected = 0; | |
152 | wpa_s->reassociate = 1; | |
153 | wpa_s->scan_runs = 0; | |
154 | wpa_s->normal_scans = 0; | |
155 | wpa_supplicant_cancel_sched_scan(wpa_s); | |
156 | wpa_supplicant_req_scan(wpa_s, 0, 0); | |
157 | } | |
158 | ||
159 | ||
30d27b04 JM |
160 | static void wpas_dpp_tx_status(struct wpa_supplicant *wpa_s, |
161 | unsigned int freq, const u8 *dst, | |
162 | const u8 *src, const u8 *bssid, | |
163 | const u8 *data, size_t data_len, | |
164 | enum offchannel_send_action_result result) | |
165 | { | |
af48810b | 166 | const char *res_txt; |
f97ace34 | 167 | struct dpp_authentication *auth = wpa_s->dpp_auth; |
af48810b JM |
168 | |
169 | res_txt = result == OFFCHANNEL_SEND_ACTION_SUCCESS ? "SUCCESS" : | |
170 | (result == OFFCHANNEL_SEND_ACTION_NO_ACK ? "no-ACK" : | |
171 | "FAILED"); | |
30d27b04 | 172 | wpa_printf(MSG_DEBUG, "DPP: TX status: freq=%u dst=" MACSTR |
af48810b JM |
173 | " result=%s", freq, MAC2STR(dst), res_txt); |
174 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_TX_STATUS "dst=" MACSTR | |
175 | " freq=%u result=%s", MAC2STR(dst), freq, res_txt); | |
30d27b04 JM |
176 | |
177 | if (!wpa_s->dpp_auth) { | |
178 | wpa_printf(MSG_DEBUG, | |
179 | "DPP: Ignore TX status since there is no ongoing authentication exchange"); | |
180 | return; | |
181 | } | |
182 | ||
22f90b32 JM |
183 | #ifdef CONFIG_DPP2 |
184 | if (auth->connect_on_tx_status) { | |
185 | wpa_printf(MSG_DEBUG, | |
186 | "DPP: Try to connect after completed configuration result"); | |
187 | wpas_dpp_try_to_connect(wpa_s); | |
188 | dpp_auth_deinit(wpa_s->dpp_auth); | |
189 | wpa_s->dpp_auth = NULL; | |
190 | return; | |
191 | } | |
192 | #endif /* CONFIG_DPP2 */ | |
193 | ||
30d27b04 JM |
194 | if (wpa_s->dpp_auth->remove_on_tx_status) { |
195 | wpa_printf(MSG_DEBUG, | |
196 | "DPP: Terminate authentication exchange due to an earlier error"); | |
f97ace34 | 197 | eloop_cancel_timeout(wpas_dpp_init_timeout, wpa_s, NULL); |
461d39af | 198 | eloop_cancel_timeout(wpas_dpp_reply_wait_timeout, wpa_s, NULL); |
95b0104a JM |
199 | eloop_cancel_timeout(wpas_dpp_auth_resp_retry_timeout, wpa_s, |
200 | NULL); | |
461d39af | 201 | offchannel_send_action_done(wpa_s); |
30d27b04 JM |
202 | dpp_auth_deinit(wpa_s->dpp_auth); |
203 | wpa_s->dpp_auth = NULL; | |
204 | return; | |
205 | } | |
206 | ||
461d39af JM |
207 | if (wpa_s->dpp_auth_ok_on_ack) |
208 | wpas_dpp_auth_success(wpa_s, 1); | |
209 | ||
30d27b04 JM |
210 | if (!is_broadcast_ether_addr(dst) && |
211 | result != OFFCHANNEL_SEND_ACTION_SUCCESS) { | |
212 | wpa_printf(MSG_DEBUG, | |
213 | "DPP: Unicast DPP Action frame was not ACKed"); | |
f97ace34 JM |
214 | if (auth->waiting_auth_resp) { |
215 | /* In case of DPP Authentication Request frame, move to | |
216 | * the next channel immediately. */ | |
217 | offchannel_send_action_done(wpa_s); | |
218 | wpas_dpp_auth_init_next(wpa_s); | |
219 | return; | |
220 | } | |
95b0104a JM |
221 | if (auth->waiting_auth_conf) { |
222 | wpas_dpp_auth_resp_retry(wpa_s); | |
223 | return; | |
224 | } | |
30d27b04 | 225 | } |
d2709206 | 226 | |
248264c6 JM |
227 | if (!is_broadcast_ether_addr(dst) && auth->waiting_auth_resp && |
228 | result == OFFCHANNEL_SEND_ACTION_SUCCESS) { | |
229 | /* Allow timeout handling to stop iteration if no response is | |
230 | * received from a peer that has ACKed a request. */ | |
231 | auth->auth_req_ack = 1; | |
232 | } | |
233 | ||
d2709206 JM |
234 | if (!wpa_s->dpp_auth_ok_on_ack && wpa_s->dpp_auth->neg_freq > 0 && |
235 | wpa_s->dpp_auth->curr_freq != wpa_s->dpp_auth->neg_freq) { | |
236 | wpa_printf(MSG_DEBUG, | |
237 | "DPP: Move from curr_freq %u MHz to neg_freq %u MHz for response", | |
238 | wpa_s->dpp_auth->curr_freq, | |
239 | wpa_s->dpp_auth->neg_freq); | |
240 | offchannel_send_action_done(wpa_s); | |
241 | wpas_dpp_listen_start(wpa_s, wpa_s->dpp_auth->neg_freq); | |
242 | } | |
d3cb7ebe JM |
243 | |
244 | if (wpa_s->dpp_auth_ok_on_ack) | |
245 | wpa_s->dpp_auth_ok_on_ack = 0; | |
30d27b04 JM |
246 | } |
247 | ||
248 | ||
249 | static void wpas_dpp_reply_wait_timeout(void *eloop_ctx, void *timeout_ctx) | |
250 | { | |
251 | struct wpa_supplicant *wpa_s = eloop_ctx; | |
248264c6 | 252 | struct dpp_authentication *auth = wpa_s->dpp_auth; |
d2709206 | 253 | unsigned int freq; |
0db637ca JM |
254 | struct os_reltime now, diff; |
255 | unsigned int wait_time, diff_ms; | |
30d27b04 | 256 | |
0db637ca | 257 | if (!auth || !auth->waiting_auth_resp) |
30d27b04 | 258 | return; |
f97ace34 | 259 | |
0db637ca JM |
260 | wait_time = wpa_s->dpp_resp_wait_time ? |
261 | wpa_s->dpp_resp_wait_time : 2000; | |
262 | os_get_reltime(&now); | |
263 | os_reltime_sub(&now, &wpa_s->dpp_last_init, &diff); | |
264 | diff_ms = diff.sec * 1000 + diff.usec / 1000; | |
265 | wpa_printf(MSG_DEBUG, | |
266 | "DPP: Reply wait timeout - wait_time=%u diff_ms=%u", | |
267 | wait_time, diff_ms); | |
268 | ||
269 | if (auth->auth_req_ack && diff_ms >= wait_time) { | |
270 | /* Peer ACK'ed Authentication Request frame, but did not reply | |
271 | * with Authentication Response frame within two seconds. */ | |
248264c6 JM |
272 | wpa_printf(MSG_INFO, |
273 | "DPP: No response received from responder - stopping initiation attempt"); | |
274 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_AUTH_INIT_FAILED); | |
275 | offchannel_send_action_done(wpa_s); | |
0db637ca | 276 | wpas_dpp_listen_stop(wpa_s); |
248264c6 JM |
277 | dpp_auth_deinit(auth); |
278 | wpa_s->dpp_auth = NULL; | |
279 | return; | |
280 | } | |
281 | ||
0db637ca JM |
282 | if (diff_ms >= wait_time) { |
283 | /* Authentication Request frame was not ACK'ed and no reply | |
284 | * was receiving within two seconds. */ | |
285 | wpa_printf(MSG_DEBUG, | |
286 | "DPP: Continue Initiator channel iteration"); | |
287 | offchannel_send_action_done(wpa_s); | |
288 | wpas_dpp_listen_stop(wpa_s); | |
289 | wpas_dpp_auth_init_next(wpa_s); | |
290 | return; | |
f97ace34 JM |
291 | } |
292 | ||
0db637ca JM |
293 | /* Driver did not support 2000 ms long wait_time with TX command, so |
294 | * schedule listen operation to continue waiting for the response. | |
295 | * | |
296 | * DPP listen operations continue until stopped, so simply schedule a | |
297 | * new call to this function at the point when the two second reply | |
298 | * wait has expired. */ | |
299 | wait_time -= diff_ms; | |
300 | ||
248264c6 JM |
301 | freq = auth->curr_freq; |
302 | if (auth->neg_freq > 0) | |
303 | freq = auth->neg_freq; | |
0db637ca JM |
304 | wpa_printf(MSG_DEBUG, |
305 | "DPP: Continue reply wait on channel %u MHz for %u ms", | |
306 | freq, wait_time); | |
307 | wpa_s->dpp_in_response_listen = 1; | |
d2709206 | 308 | wpas_dpp_listen_start(wpa_s, freq); |
0db637ca JM |
309 | |
310 | eloop_register_timeout(wait_time / 1000, (wait_time % 1000) * 1000, | |
311 | wpas_dpp_reply_wait_timeout, wpa_s, NULL); | |
30d27b04 JM |
312 | } |
313 | ||
314 | ||
461d39af JM |
315 | static void wpas_dpp_set_testing_options(struct wpa_supplicant *wpa_s, |
316 | struct dpp_authentication *auth) | |
317 | { | |
318 | #ifdef CONFIG_TESTING_OPTIONS | |
319 | if (wpa_s->dpp_config_obj_override) | |
320 | auth->config_obj_override = | |
321 | os_strdup(wpa_s->dpp_config_obj_override); | |
322 | if (wpa_s->dpp_discovery_override) | |
323 | auth->discovery_override = | |
324 | os_strdup(wpa_s->dpp_discovery_override); | |
325 | if (wpa_s->dpp_groups_override) | |
326 | auth->groups_override = | |
327 | os_strdup(wpa_s->dpp_groups_override); | |
461d39af JM |
328 | auth->ignore_netaccesskey_mismatch = |
329 | wpa_s->dpp_ignore_netaccesskey_mismatch; | |
330 | #endif /* CONFIG_TESTING_OPTIONS */ | |
331 | } | |
332 | ||
333 | ||
f97ace34 JM |
334 | static void wpas_dpp_init_timeout(void *eloop_ctx, void *timeout_ctx) |
335 | { | |
336 | struct wpa_supplicant *wpa_s = eloop_ctx; | |
337 | ||
338 | if (!wpa_s->dpp_auth) | |
339 | return; | |
340 | wpa_printf(MSG_DEBUG, "DPP: Retry initiation after timeout"); | |
341 | wpas_dpp_auth_init_next(wpa_s); | |
342 | } | |
343 | ||
344 | ||
345 | static int wpas_dpp_auth_init_next(struct wpa_supplicant *wpa_s) | |
346 | { | |
347 | struct dpp_authentication *auth = wpa_s->dpp_auth; | |
348 | const u8 *dst; | |
0db637ca | 349 | unsigned int wait_time, max_wait_time, freq, max_tries, used; |
921f5acd | 350 | struct os_reltime now, diff; |
f97ace34 | 351 | |
0db637ca | 352 | wpa_s->dpp_in_response_listen = 0; |
f97ace34 JM |
353 | if (!auth) |
354 | return -1; | |
0db637ca JM |
355 | |
356 | if (auth->freq_idx == 0) | |
357 | os_get_reltime(&wpa_s->dpp_init_iter_start); | |
358 | ||
f97ace34 JM |
359 | if (auth->freq_idx >= auth->num_freq) { |
360 | auth->num_freq_iters++; | |
361 | if (wpa_s->dpp_init_max_tries) | |
362 | max_tries = wpa_s->dpp_init_max_tries; | |
363 | else | |
364 | max_tries = 5; | |
248264c6 | 365 | if (auth->num_freq_iters >= max_tries || auth->auth_req_ack) { |
f97ace34 JM |
366 | wpa_printf(MSG_INFO, |
367 | "DPP: No response received from responder - stopping initiation attempt"); | |
368 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_AUTH_INIT_FAILED); | |
369 | eloop_cancel_timeout(wpas_dpp_reply_wait_timeout, | |
370 | wpa_s, NULL); | |
371 | offchannel_send_action_done(wpa_s); | |
372 | dpp_auth_deinit(wpa_s->dpp_auth); | |
373 | wpa_s->dpp_auth = NULL; | |
374 | return -1; | |
375 | } | |
376 | auth->freq_idx = 0; | |
377 | eloop_cancel_timeout(wpas_dpp_init_timeout, wpa_s, NULL); | |
378 | if (wpa_s->dpp_init_retry_time) | |
379 | wait_time = wpa_s->dpp_init_retry_time; | |
380 | else | |
381 | wait_time = 10000; | |
921f5acd | 382 | os_get_reltime(&now); |
0db637ca | 383 | os_reltime_sub(&now, &wpa_s->dpp_init_iter_start, &diff); |
921f5acd JM |
384 | used = diff.sec * 1000 + diff.usec / 1000; |
385 | if (used > wait_time) | |
386 | wait_time = 0; | |
387 | else | |
388 | wait_time -= used; | |
389 | wpa_printf(MSG_DEBUG, "DPP: Next init attempt in %u ms", | |
390 | wait_time); | |
f97ace34 JM |
391 | eloop_register_timeout(wait_time / 1000, |
392 | (wait_time % 1000) * 1000, | |
393 | wpas_dpp_init_timeout, wpa_s, | |
394 | NULL); | |
395 | return 0; | |
396 | } | |
397 | freq = auth->freq[auth->freq_idx++]; | |
398 | auth->curr_freq = freq; | |
399 | ||
400 | if (is_zero_ether_addr(auth->peer_bi->mac_addr)) | |
401 | dst = broadcast; | |
402 | else | |
403 | dst = auth->peer_bi->mac_addr; | |
404 | wpa_s->dpp_auth_ok_on_ack = 0; | |
405 | eloop_cancel_timeout(wpas_dpp_reply_wait_timeout, wpa_s, NULL); | |
406 | wait_time = wpa_s->max_remain_on_chan; | |
0db637ca JM |
407 | max_wait_time = wpa_s->dpp_resp_wait_time ? |
408 | wpa_s->dpp_resp_wait_time : 2000; | |
409 | if (wait_time > max_wait_time) | |
410 | wait_time = max_wait_time; | |
411 | wait_time += 10; /* give the driver some extra time to complete */ | |
f97ace34 JM |
412 | eloop_register_timeout(wait_time / 1000, (wait_time % 1000) * 1000, |
413 | wpas_dpp_reply_wait_timeout, | |
414 | wpa_s, NULL); | |
0db637ca | 415 | wait_time -= 10; |
f97ace34 JM |
416 | if (auth->neg_freq > 0 && freq != auth->neg_freq) { |
417 | wpa_printf(MSG_DEBUG, | |
418 | "DPP: Initiate on %u MHz and move to neg_freq %u MHz for response", | |
419 | freq, auth->neg_freq); | |
420 | } | |
421 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_TX "dst=" MACSTR " freq=%u type=%d", | |
422 | MAC2STR(dst), freq, DPP_PA_AUTHENTICATION_REQ); | |
248264c6 | 423 | auth->auth_req_ack = 0; |
f97ace34 JM |
424 | os_get_reltime(&wpa_s->dpp_last_init); |
425 | return offchannel_send_action(wpa_s, freq, dst, | |
426 | wpa_s->own_addr, broadcast, | |
427 | wpabuf_head(auth->req_msg), | |
428 | wpabuf_len(auth->req_msg), | |
429 | wait_time, wpas_dpp_tx_status, 0); | |
430 | } | |
431 | ||
432 | ||
b65b22d6 JM |
433 | int wpas_dpp_auth_init(struct wpa_supplicant *wpa_s, const char *cmd) |
434 | { | |
435 | const char *pos; | |
436 | struct dpp_bootstrap_info *peer_bi, *own_bi = NULL; | |
2a5a0680 | 437 | struct dpp_authentication *auth; |
d1f08264 | 438 | u8 allowed_roles = DPP_CAPAB_CONFIGURATOR; |
d2709206 | 439 | unsigned int neg_freq = 0; |
2a5a0680 JM |
440 | int tcp = 0; |
441 | #ifdef CONFIG_DPP2 | |
442 | int tcp_port = DPP_TCP_PORT; | |
443 | struct hostapd_ip_addr ipaddr; | |
444 | char *addr; | |
445 | #endif /* CONFIG_DPP2 */ | |
b65b22d6 JM |
446 | |
447 | wpa_s->dpp_gas_client = 0; | |
448 | ||
449 | pos = os_strstr(cmd, " peer="); | |
450 | if (!pos) | |
451 | return -1; | |
452 | pos += 6; | |
87d8435c | 453 | peer_bi = dpp_bootstrap_get_id(wpa_s->dpp, atoi(pos)); |
b65b22d6 JM |
454 | if (!peer_bi) { |
455 | wpa_printf(MSG_INFO, | |
456 | "DPP: Could not find bootstrapping info for the identified peer"); | |
457 | return -1; | |
458 | } | |
459 | ||
2a5a0680 JM |
460 | #ifdef CONFIG_DPP2 |
461 | pos = os_strstr(cmd, " tcp_port="); | |
462 | if (pos) { | |
463 | pos += 10; | |
464 | tcp_port = atoi(pos); | |
465 | } | |
466 | ||
467 | addr = get_param(cmd, " tcp_addr="); | |
468 | if (addr) { | |
469 | int res; | |
470 | ||
471 | res = hostapd_parse_ip_addr(addr, &ipaddr); | |
472 | os_free(addr); | |
473 | if (res) | |
474 | return -1; | |
475 | tcp = 1; | |
476 | } | |
477 | #endif /* CONFIG_DPP2 */ | |
478 | ||
b65b22d6 JM |
479 | pos = os_strstr(cmd, " own="); |
480 | if (pos) { | |
481 | pos += 5; | |
87d8435c | 482 | own_bi = dpp_bootstrap_get_id(wpa_s->dpp, atoi(pos)); |
b65b22d6 JM |
483 | if (!own_bi) { |
484 | wpa_printf(MSG_INFO, | |
485 | "DPP: Could not find bootstrapping info for the identified local entry"); | |
486 | return -1; | |
487 | } | |
488 | ||
489 | if (peer_bi->curve != own_bi->curve) { | |
490 | wpa_printf(MSG_INFO, | |
491 | "DPP: Mismatching curves in bootstrapping info (peer=%s own=%s)", | |
492 | peer_bi->curve->name, own_bi->curve->name); | |
493 | return -1; | |
494 | } | |
495 | } | |
496 | ||
497 | pos = os_strstr(cmd, " role="); | |
498 | if (pos) { | |
499 | pos += 6; | |
500 | if (os_strncmp(pos, "configurator", 12) == 0) | |
d1f08264 | 501 | allowed_roles = DPP_CAPAB_CONFIGURATOR; |
b65b22d6 | 502 | else if (os_strncmp(pos, "enrollee", 8) == 0) |
d1f08264 JM |
503 | allowed_roles = DPP_CAPAB_ENROLLEE; |
504 | else if (os_strncmp(pos, "either", 6) == 0) | |
505 | allowed_roles = DPP_CAPAB_CONFIGURATOR | | |
506 | DPP_CAPAB_ENROLLEE; | |
b65b22d6 JM |
507 | else |
508 | goto fail; | |
509 | } | |
510 | ||
511 | pos = os_strstr(cmd, " netrole="); | |
512 | if (pos) { | |
513 | pos += 9; | |
514 | wpa_s->dpp_netrole_ap = os_strncmp(pos, "ap", 2) == 0; | |
515 | } | |
30d27b04 | 516 | |
d2709206 JM |
517 | pos = os_strstr(cmd, " neg_freq="); |
518 | if (pos) | |
519 | neg_freq = atoi(pos + 10); | |
520 | ||
2a5a0680 | 521 | if (!tcp && wpa_s->dpp_auth) { |
f97ace34 | 522 | eloop_cancel_timeout(wpas_dpp_init_timeout, wpa_s, NULL); |
30d27b04 | 523 | eloop_cancel_timeout(wpas_dpp_reply_wait_timeout, wpa_s, NULL); |
95b0104a JM |
524 | eloop_cancel_timeout(wpas_dpp_auth_resp_retry_timeout, wpa_s, |
525 | NULL); | |
30d27b04 JM |
526 | offchannel_send_action_done(wpa_s); |
527 | dpp_auth_deinit(wpa_s->dpp_auth); | |
2a5a0680 | 528 | wpa_s->dpp_auth = NULL; |
30d27b04 | 529 | } |
2a5a0680 JM |
530 | |
531 | auth = dpp_auth_init(wpa_s, peer_bi, own_bi, allowed_roles, neg_freq, | |
532 | wpa_s->hw.modes, wpa_s->hw.num_modes); | |
533 | if (!auth) | |
461d39af | 534 | goto fail; |
2a5a0680 JM |
535 | wpas_dpp_set_testing_options(wpa_s, auth); |
536 | if (dpp_set_configurator(wpa_s->dpp, wpa_s, auth, cmd) < 0) { | |
537 | dpp_auth_deinit(auth); | |
a00d65e7 JM |
538 | goto fail; |
539 | } | |
30d27b04 | 540 | |
2a5a0680 | 541 | auth->neg_freq = neg_freq; |
30d27b04 | 542 | |
f97ace34 | 543 | if (!is_zero_ether_addr(peer_bi->mac_addr)) |
2a5a0680 JM |
544 | os_memcpy(auth->peer_mac_addr, peer_bi->mac_addr, ETH_ALEN); |
545 | ||
546 | #ifdef CONFIG_DPP2 | |
547 | if (tcp) | |
548 | return dpp_tcp_init(wpa_s->dpp, auth, &ipaddr, tcp_port); | |
549 | #endif /* CONFIG_DPP2 */ | |
f97ace34 | 550 | |
2a5a0680 | 551 | wpa_s->dpp_auth = auth; |
f97ace34 | 552 | return wpas_dpp_auth_init_next(wpa_s); |
461d39af | 553 | fail: |
461d39af | 554 | return -1; |
30d27b04 JM |
555 | } |
556 | ||
557 | ||
558 | struct wpas_dpp_listen_work { | |
559 | unsigned int freq; | |
560 | unsigned int duration; | |
561 | struct wpabuf *probe_resp_ie; | |
562 | }; | |
563 | ||
564 | ||
565 | static void wpas_dpp_listen_work_free(struct wpas_dpp_listen_work *lwork) | |
566 | { | |
567 | if (!lwork) | |
568 | return; | |
569 | os_free(lwork); | |
570 | } | |
571 | ||
572 | ||
573 | static void wpas_dpp_listen_work_done(struct wpa_supplicant *wpa_s) | |
574 | { | |
575 | struct wpas_dpp_listen_work *lwork; | |
576 | ||
577 | if (!wpa_s->dpp_listen_work) | |
578 | return; | |
579 | ||
580 | lwork = wpa_s->dpp_listen_work->ctx; | |
581 | wpas_dpp_listen_work_free(lwork); | |
582 | radio_work_done(wpa_s->dpp_listen_work); | |
583 | wpa_s->dpp_listen_work = NULL; | |
584 | } | |
585 | ||
586 | ||
587 | static void dpp_start_listen_cb(struct wpa_radio_work *work, int deinit) | |
588 | { | |
589 | struct wpa_supplicant *wpa_s = work->wpa_s; | |
590 | struct wpas_dpp_listen_work *lwork = work->ctx; | |
591 | ||
592 | if (deinit) { | |
593 | if (work->started) { | |
594 | wpa_s->dpp_listen_work = NULL; | |
595 | wpas_dpp_listen_stop(wpa_s); | |
596 | } | |
597 | wpas_dpp_listen_work_free(lwork); | |
598 | return; | |
599 | } | |
600 | ||
601 | wpa_s->dpp_listen_work = work; | |
602 | ||
603 | wpa_s->dpp_pending_listen_freq = lwork->freq; | |
604 | ||
605 | if (wpa_drv_remain_on_channel(wpa_s, lwork->freq, | |
606 | wpa_s->max_remain_on_chan) < 0) { | |
607 | wpa_printf(MSG_DEBUG, | |
608 | "DPP: Failed to request the driver to remain on channel (%u MHz) for listen", | |
609 | lwork->freq); | |
d8c20ec5 | 610 | wpa_s->dpp_listen_freq = 0; |
30d27b04 JM |
611 | wpas_dpp_listen_work_done(wpa_s); |
612 | wpa_s->dpp_pending_listen_freq = 0; | |
613 | return; | |
614 | } | |
615 | wpa_s->off_channel_freq = 0; | |
616 | wpa_s->roc_waiting_drv_freq = lwork->freq; | |
617 | } | |
618 | ||
619 | ||
620 | static int wpas_dpp_listen_start(struct wpa_supplicant *wpa_s, | |
621 | unsigned int freq) | |
622 | { | |
623 | struct wpas_dpp_listen_work *lwork; | |
624 | ||
625 | if (wpa_s->dpp_listen_work) { | |
626 | wpa_printf(MSG_DEBUG, | |
627 | "DPP: Reject start_listen since dpp_listen_work already exists"); | |
628 | return -1; | |
629 | } | |
630 | ||
631 | if (wpa_s->dpp_listen_freq) | |
632 | wpas_dpp_listen_stop(wpa_s); | |
633 | wpa_s->dpp_listen_freq = freq; | |
634 | ||
635 | lwork = os_zalloc(sizeof(*lwork)); | |
636 | if (!lwork) | |
637 | return -1; | |
638 | lwork->freq = freq; | |
639 | ||
640 | if (radio_add_work(wpa_s, freq, "dpp-listen", 0, dpp_start_listen_cb, | |
641 | lwork) < 0) { | |
642 | wpas_dpp_listen_work_free(lwork); | |
643 | return -1; | |
644 | } | |
645 | ||
646 | return 0; | |
647 | } | |
648 | ||
649 | ||
650 | int wpas_dpp_listen(struct wpa_supplicant *wpa_s, const char *cmd) | |
651 | { | |
652 | int freq; | |
653 | ||
654 | freq = atoi(cmd); | |
655 | if (freq <= 0) | |
656 | return -1; | |
657 | ||
658 | if (os_strstr(cmd, " role=configurator")) | |
659 | wpa_s->dpp_allowed_roles = DPP_CAPAB_CONFIGURATOR; | |
660 | else if (os_strstr(cmd, " role=enrollee")) | |
661 | wpa_s->dpp_allowed_roles = DPP_CAPAB_ENROLLEE; | |
662 | else | |
663 | wpa_s->dpp_allowed_roles = DPP_CAPAB_CONFIGURATOR | | |
664 | DPP_CAPAB_ENROLLEE; | |
665 | wpa_s->dpp_qr_mutual = os_strstr(cmd, " qr=mutual") != NULL; | |
461d39af | 666 | wpa_s->dpp_netrole_ap = os_strstr(cmd, " netrole=ap") != NULL; |
30d27b04 JM |
667 | if (wpa_s->dpp_listen_freq == (unsigned int) freq) { |
668 | wpa_printf(MSG_DEBUG, "DPP: Already listening on %u MHz", | |
669 | freq); | |
670 | return 0; | |
671 | } | |
672 | ||
673 | return wpas_dpp_listen_start(wpa_s, freq); | |
674 | } | |
675 | ||
676 | ||
677 | void wpas_dpp_listen_stop(struct wpa_supplicant *wpa_s) | |
678 | { | |
0db637ca | 679 | wpa_s->dpp_in_response_listen = 0; |
30d27b04 JM |
680 | if (!wpa_s->dpp_listen_freq) |
681 | return; | |
682 | ||
683 | wpa_printf(MSG_DEBUG, "DPP: Stop listen on %u MHz", | |
684 | wpa_s->dpp_listen_freq); | |
685 | wpa_drv_cancel_remain_on_channel(wpa_s); | |
686 | wpa_s->dpp_listen_freq = 0; | |
687 | wpas_dpp_listen_work_done(wpa_s); | |
688 | } | |
689 | ||
690 | ||
30d27b04 JM |
691 | void wpas_dpp_cancel_remain_on_channel_cb(struct wpa_supplicant *wpa_s, |
692 | unsigned int freq) | |
693 | { | |
694 | wpas_dpp_listen_work_done(wpa_s); | |
695 | ||
0db637ca JM |
696 | if (wpa_s->dpp_auth && wpa_s->dpp_in_response_listen) { |
697 | unsigned int new_freq; | |
698 | ||
30d27b04 | 699 | /* Continue listen with a new remain-on-channel */ |
0db637ca JM |
700 | if (wpa_s->dpp_auth->neg_freq > 0) |
701 | new_freq = wpa_s->dpp_auth->neg_freq; | |
702 | else | |
703 | new_freq = wpa_s->dpp_auth->curr_freq; | |
30d27b04 JM |
704 | wpa_printf(MSG_DEBUG, |
705 | "DPP: Continue wait on %u MHz for the ongoing DPP provisioning session", | |
0db637ca JM |
706 | new_freq); |
707 | wpas_dpp_listen_start(wpa_s, new_freq); | |
30d27b04 JM |
708 | return; |
709 | } | |
710 | ||
711 | if (wpa_s->dpp_listen_freq) { | |
712 | /* Continue listen with a new remain-on-channel */ | |
713 | wpas_dpp_listen_start(wpa_s, wpa_s->dpp_listen_freq); | |
714 | } | |
715 | } | |
716 | ||
717 | ||
718 | static void wpas_dpp_rx_auth_req(struct wpa_supplicant *wpa_s, const u8 *src, | |
dc4d271c JM |
719 | const u8 *hdr, const u8 *buf, size_t len, |
720 | unsigned int freq) | |
30d27b04 | 721 | { |
27fefbbb JM |
722 | const u8 *r_bootstrap, *i_bootstrap; |
723 | u16 r_bootstrap_len, i_bootstrap_len; | |
87d8435c JM |
724 | struct dpp_bootstrap_info *own_bi = NULL, *peer_bi = NULL; |
725 | ||
726 | if (!wpa_s->dpp) | |
727 | return; | |
30d27b04 JM |
728 | |
729 | wpa_printf(MSG_DEBUG, "DPP: Authentication Request from " MACSTR, | |
730 | MAC2STR(src)); | |
731 | ||
30d27b04 JM |
732 | r_bootstrap = dpp_get_attr(buf, len, DPP_ATTR_R_BOOTSTRAP_KEY_HASH, |
733 | &r_bootstrap_len); | |
27fefbbb | 734 | if (!r_bootstrap || r_bootstrap_len != SHA256_MAC_LEN) { |
26806abe JM |
735 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_FAIL |
736 | "Missing or invalid required Responder Bootstrapping Key Hash attribute"); | |
30d27b04 JM |
737 | return; |
738 | } | |
739 | wpa_hexdump(MSG_MSGDUMP, "DPP: Responder Bootstrapping Key Hash", | |
740 | r_bootstrap, r_bootstrap_len); | |
741 | ||
742 | i_bootstrap = dpp_get_attr(buf, len, DPP_ATTR_I_BOOTSTRAP_KEY_HASH, | |
743 | &i_bootstrap_len); | |
27fefbbb | 744 | if (!i_bootstrap || i_bootstrap_len != SHA256_MAC_LEN) { |
26806abe JM |
745 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_FAIL |
746 | "Missing or invalid required Initiator Bootstrapping Key Hash attribute"); | |
30d27b04 JM |
747 | return; |
748 | } | |
749 | wpa_hexdump(MSG_MSGDUMP, "DPP: Initiator Bootstrapping Key Hash", | |
750 | i_bootstrap, i_bootstrap_len); | |
751 | ||
752 | /* Try to find own and peer bootstrapping key matches based on the | |
753 | * received hash values */ | |
87d8435c JM |
754 | dpp_bootstrap_find_pair(wpa_s->dpp, i_bootstrap, r_bootstrap, |
755 | &own_bi, &peer_bi); | |
30d27b04 | 756 | if (!own_bi) { |
26806abe JM |
757 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_FAIL |
758 | "No matching own bootstrapping key found - ignore message"); | |
30d27b04 JM |
759 | return; |
760 | } | |
761 | ||
762 | if (wpa_s->dpp_auth) { | |
26806abe JM |
763 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_FAIL |
764 | "Already in DPP authentication exchange - ignore new one"); | |
30d27b04 JM |
765 | return; |
766 | } | |
767 | ||
461d39af JM |
768 | wpa_s->dpp_gas_client = 0; |
769 | wpa_s->dpp_auth_ok_on_ack = 0; | |
30d27b04 JM |
770 | wpa_s->dpp_auth = dpp_auth_req_rx(wpa_s, wpa_s->dpp_allowed_roles, |
771 | wpa_s->dpp_qr_mutual, | |
27fefbbb | 772 | peer_bi, own_bi, freq, hdr, buf, len); |
30d27b04 JM |
773 | if (!wpa_s->dpp_auth) { |
774 | wpa_printf(MSG_DEBUG, "DPP: No response generated"); | |
775 | return; | |
776 | } | |
461d39af | 777 | wpas_dpp_set_testing_options(wpa_s, wpa_s->dpp_auth); |
87d8435c JM |
778 | if (dpp_set_configurator(wpa_s->dpp, wpa_s, wpa_s->dpp_auth, |
779 | wpa_s->dpp_configurator_params) < 0) { | |
a00d65e7 JM |
780 | dpp_auth_deinit(wpa_s->dpp_auth); |
781 | wpa_s->dpp_auth = NULL; | |
782 | return; | |
783 | } | |
30d27b04 JM |
784 | os_memcpy(wpa_s->dpp_auth->peer_mac_addr, src, ETH_ALEN); |
785 | ||
d2709206 JM |
786 | if (wpa_s->dpp_listen_freq && |
787 | wpa_s->dpp_listen_freq != wpa_s->dpp_auth->curr_freq) { | |
788 | wpa_printf(MSG_DEBUG, | |
789 | "DPP: Stop listen on %u MHz to allow response on the request %u MHz", | |
790 | wpa_s->dpp_listen_freq, wpa_s->dpp_auth->curr_freq); | |
791 | wpas_dpp_listen_stop(wpa_s); | |
792 | } | |
793 | ||
af48810b JM |
794 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_TX "dst=" MACSTR " freq=%u type=%d", |
795 | MAC2STR(src), wpa_s->dpp_auth->curr_freq, | |
796 | DPP_PA_AUTHENTICATION_RESP); | |
30d27b04 JM |
797 | offchannel_send_action(wpa_s, wpa_s->dpp_auth->curr_freq, |
798 | src, wpa_s->own_addr, broadcast, | |
dc4d271c JM |
799 | wpabuf_head(wpa_s->dpp_auth->resp_msg), |
800 | wpabuf_len(wpa_s->dpp_auth->resp_msg), | |
30d27b04 | 801 | 500, wpas_dpp_tx_status, 0); |
30d27b04 JM |
802 | } |
803 | ||
804 | ||
461d39af JM |
805 | static void wpas_dpp_start_gas_server(struct wpa_supplicant *wpa_s) |
806 | { | |
807 | /* TODO: stop wait and start ROC */ | |
808 | } | |
809 | ||
810 | ||
8528994e JM |
811 | static struct wpa_ssid * wpas_dpp_add_network(struct wpa_supplicant *wpa_s, |
812 | struct dpp_authentication *auth) | |
813 | { | |
814 | struct wpa_ssid *ssid; | |
815 | ||
22f90b32 JM |
816 | #ifdef CONFIG_DPP2 |
817 | if (auth->akm == DPP_AKM_SAE) { | |
818 | #ifdef CONFIG_SAE | |
819 | struct wpa_driver_capa capa; | |
820 | int res; | |
821 | ||
822 | res = wpa_drv_get_capa(wpa_s, &capa); | |
823 | if (res == 0 && | |
824 | !(capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_SAE) && | |
825 | !(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SAE)) { | |
826 | wpa_printf(MSG_DEBUG, | |
827 | "DPP: SAE not supported by the driver"); | |
828 | return NULL; | |
829 | } | |
830 | #else /* CONFIG_SAE */ | |
831 | wpa_printf(MSG_DEBUG, "DPP: SAE not supported in the build"); | |
832 | return NULL; | |
833 | #endif /* CONFIG_SAE */ | |
834 | } | |
835 | #endif /* CONFIG_DPP2 */ | |
836 | ||
8528994e JM |
837 | ssid = wpa_config_add_network(wpa_s->conf); |
838 | if (!ssid) | |
839 | return NULL; | |
840 | wpas_notify_network_added(wpa_s, ssid); | |
841 | wpa_config_set_network_defaults(ssid); | |
842 | ssid->disabled = 1; | |
843 | ||
844 | ssid->ssid = os_malloc(auth->ssid_len); | |
845 | if (!ssid->ssid) | |
846 | goto fail; | |
847 | os_memcpy(ssid->ssid, auth->ssid, auth->ssid_len); | |
848 | ssid->ssid_len = auth->ssid_len; | |
849 | ||
850 | if (auth->connector) { | |
851 | ssid->key_mgmt = WPA_KEY_MGMT_DPP; | |
70e19013 | 852 | ssid->ieee80211w = MGMT_FRAME_PROTECTION_REQUIRED; |
8528994e JM |
853 | ssid->dpp_connector = os_strdup(auth->connector); |
854 | if (!ssid->dpp_connector) | |
855 | goto fail; | |
856 | } | |
857 | ||
858 | if (auth->c_sign_key) { | |
859 | ssid->dpp_csign = os_malloc(wpabuf_len(auth->c_sign_key)); | |
860 | if (!ssid->dpp_csign) | |
861 | goto fail; | |
862 | os_memcpy(ssid->dpp_csign, wpabuf_head(auth->c_sign_key), | |
863 | wpabuf_len(auth->c_sign_key)); | |
864 | ssid->dpp_csign_len = wpabuf_len(auth->c_sign_key); | |
8528994e JM |
865 | } |
866 | ||
867 | if (auth->net_access_key) { | |
868 | ssid->dpp_netaccesskey = | |
869 | os_malloc(wpabuf_len(auth->net_access_key)); | |
870 | if (!ssid->dpp_netaccesskey) | |
871 | goto fail; | |
872 | os_memcpy(ssid->dpp_netaccesskey, | |
873 | wpabuf_head(auth->net_access_key), | |
874 | wpabuf_len(auth->net_access_key)); | |
875 | ssid->dpp_netaccesskey_len = wpabuf_len(auth->net_access_key); | |
876 | ssid->dpp_netaccesskey_expiry = auth->net_access_key_expiry; | |
877 | } | |
878 | ||
18015fc8 JM |
879 | if (!auth->connector || dpp_akm_psk(auth->akm) || |
880 | dpp_akm_sae(auth->akm)) { | |
881 | if (!auth->connector) | |
882 | ssid->key_mgmt = 0; | |
883 | if (dpp_akm_psk(auth->akm)) | |
5dd745b7 JM |
884 | ssid->key_mgmt |= WPA_KEY_MGMT_PSK | |
885 | WPA_KEY_MGMT_PSK_SHA256 | WPA_KEY_MGMT_FT_PSK; | |
18015fc8 | 886 | if (dpp_akm_sae(auth->akm)) |
5dd745b7 JM |
887 | ssid->key_mgmt |= WPA_KEY_MGMT_SAE | |
888 | WPA_KEY_MGMT_FT_SAE; | |
70e19013 | 889 | ssid->ieee80211w = MGMT_FRAME_PROTECTION_OPTIONAL; |
8528994e JM |
890 | if (auth->passphrase[0]) { |
891 | if (wpa_config_set_quoted(ssid, "psk", | |
892 | auth->passphrase) < 0) | |
893 | goto fail; | |
894 | wpa_config_update_psk(ssid); | |
895 | ssid->export_keys = 1; | |
896 | } else { | |
897 | ssid->psk_set = auth->psk_set; | |
898 | os_memcpy(ssid->psk, auth->psk, PMK_LEN); | |
899 | } | |
900 | } | |
901 | ||
902 | return ssid; | |
903 | fail: | |
904 | wpas_notify_network_removed(wpa_s, ssid); | |
905 | wpa_config_remove_network(wpa_s->conf, ssid->id); | |
906 | return NULL; | |
907 | } | |
908 | ||
909 | ||
22f90b32 JM |
910 | static int wpas_dpp_process_config(struct wpa_supplicant *wpa_s, |
911 | struct dpp_authentication *auth) | |
8528994e JM |
912 | { |
913 | struct wpa_ssid *ssid; | |
914 | ||
915 | if (wpa_s->conf->dpp_config_processing < 1) | |
22f90b32 | 916 | return 0; |
8528994e JM |
917 | |
918 | ssid = wpas_dpp_add_network(wpa_s, auth); | |
919 | if (!ssid) | |
22f90b32 | 920 | return -1; |
8528994e JM |
921 | |
922 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_NETWORK_ID "%d", ssid->id); | |
954c535a JM |
923 | if (wpa_s->conf->dpp_config_processing == 2) |
924 | ssid->disabled = 0; | |
925 | ||
926 | #ifndef CONFIG_NO_CONFIG_WRITE | |
927 | if (wpa_s->conf->update_config && | |
928 | wpa_config_write(wpa_s->confname, wpa_s->conf)) | |
929 | wpa_printf(MSG_DEBUG, "DPP: Failed to update configuration"); | |
930 | #endif /* CONFIG_NO_CONFIG_WRITE */ | |
931 | ||
8528994e | 932 | if (wpa_s->conf->dpp_config_processing < 2) |
22f90b32 | 933 | return 0; |
8528994e | 934 | |
22f90b32 JM |
935 | #ifdef CONFIG_DPP2 |
936 | if (auth->peer_version >= 2) { | |
937 | wpa_printf(MSG_DEBUG, | |
938 | "DPP: Postpone connection attempt to wait for completion of DPP Configuration Result"); | |
939 | auth->connect_on_tx_status = 1; | |
940 | return 0; | |
941 | } | |
942 | #endif /* CONFIG_DPP2 */ | |
943 | ||
944 | wpas_dpp_try_to_connect(wpa_s); | |
945 | return 0; | |
8528994e JM |
946 | } |
947 | ||
948 | ||
22f90b32 JM |
949 | static int wpas_dpp_handle_config_obj(struct wpa_supplicant *wpa_s, |
950 | struct dpp_authentication *auth) | |
461d39af | 951 | { |
461d39af JM |
952 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_CONF_RECEIVED); |
953 | if (auth->ssid_len) | |
954 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_CONFOBJ_SSID "%s", | |
955 | wpa_ssid_txt(auth->ssid, auth->ssid_len)); | |
956 | if (auth->connector) { | |
957 | /* TODO: Save the Connector and consider using a command | |
958 | * to fetch the value instead of sending an event with | |
959 | * it. The Connector could end up being larger than what | |
960 | * most clients are ready to receive as an event | |
961 | * message. */ | |
962 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_CONNECTOR "%s", | |
963 | auth->connector); | |
964 | } | |
965 | if (auth->c_sign_key) { | |
966 | char *hex; | |
967 | size_t hexlen; | |
968 | ||
969 | hexlen = 2 * wpabuf_len(auth->c_sign_key) + 1; | |
970 | hex = os_malloc(hexlen); | |
971 | if (hex) { | |
972 | wpa_snprintf_hex(hex, hexlen, | |
973 | wpabuf_head(auth->c_sign_key), | |
974 | wpabuf_len(auth->c_sign_key)); | |
c77e2ff0 JM |
975 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_C_SIGN_KEY "%s", |
976 | hex); | |
461d39af JM |
977 | os_free(hex); |
978 | } | |
979 | } | |
980 | if (auth->net_access_key) { | |
981 | char *hex; | |
982 | size_t hexlen; | |
983 | ||
984 | hexlen = 2 * wpabuf_len(auth->net_access_key) + 1; | |
985 | hex = os_malloc(hexlen); | |
986 | if (hex) { | |
987 | wpa_snprintf_hex(hex, hexlen, | |
988 | wpabuf_head(auth->net_access_key), | |
989 | wpabuf_len(auth->net_access_key)); | |
990 | if (auth->net_access_key_expiry) | |
991 | wpa_msg(wpa_s, MSG_INFO, | |
992 | DPP_EVENT_NET_ACCESS_KEY "%s %lu", hex, | |
993 | (long unsigned) | |
994 | auth->net_access_key_expiry); | |
995 | else | |
996 | wpa_msg(wpa_s, MSG_INFO, | |
997 | DPP_EVENT_NET_ACCESS_KEY "%s", hex); | |
998 | os_free(hex); | |
999 | } | |
1000 | } | |
8528994e | 1001 | |
22f90b32 | 1002 | return wpas_dpp_process_config(wpa_s, auth); |
f522bb23 JM |
1003 | } |
1004 | ||
1005 | ||
1006 | static void wpas_dpp_gas_resp_cb(void *ctx, const u8 *addr, u8 dialog_token, | |
1007 | enum gas_query_result result, | |
1008 | const struct wpabuf *adv_proto, | |
1009 | const struct wpabuf *resp, u16 status_code) | |
1010 | { | |
1011 | struct wpa_supplicant *wpa_s = ctx; | |
1012 | const u8 *pos; | |
1013 | struct dpp_authentication *auth = wpa_s->dpp_auth; | |
22f90b32 JM |
1014 | int res; |
1015 | enum dpp_status_error status = DPP_STATUS_CONFIG_REJECTED; | |
f522bb23 | 1016 | |
1866dfb5 JM |
1017 | wpa_s->dpp_gas_dialog_token = -1; |
1018 | ||
f522bb23 JM |
1019 | if (!auth || !auth->auth_success) { |
1020 | wpa_printf(MSG_DEBUG, "DPP: No matching exchange in progress"); | |
1021 | return; | |
1022 | } | |
931f7ff6 JM |
1023 | if (result != GAS_QUERY_SUCCESS || |
1024 | !resp || status_code != WLAN_STATUS_SUCCESS) { | |
f522bb23 JM |
1025 | wpa_printf(MSG_DEBUG, "DPP: GAS query did not succeed"); |
1026 | goto fail; | |
1027 | } | |
1028 | ||
1029 | wpa_hexdump_buf(MSG_DEBUG, "DPP: Configuration Response adv_proto", | |
1030 | adv_proto); | |
1031 | wpa_hexdump_buf(MSG_DEBUG, "DPP: Configuration Response (GAS response)", | |
1032 | resp); | |
1033 | ||
1034 | if (wpabuf_len(adv_proto) != 10 || | |
1035 | !(pos = wpabuf_head(adv_proto)) || | |
1036 | pos[0] != WLAN_EID_ADV_PROTO || | |
1037 | pos[1] != 8 || | |
1038 | pos[3] != WLAN_EID_VENDOR_SPECIFIC || | |
1039 | pos[4] != 5 || | |
1040 | WPA_GET_BE24(&pos[5]) != OUI_WFA || | |
1041 | pos[8] != 0x1a || | |
1042 | pos[9] != 1) { | |
1043 | wpa_printf(MSG_DEBUG, | |
1044 | "DPP: Not a DPP Advertisement Protocol ID"); | |
1045 | goto fail; | |
1046 | } | |
8528994e | 1047 | |
f522bb23 JM |
1048 | if (dpp_conf_resp_rx(auth, resp) < 0) { |
1049 | wpa_printf(MSG_DEBUG, "DPP: Configuration attempt failed"); | |
1050 | goto fail; | |
1051 | } | |
1052 | ||
22f90b32 JM |
1053 | res = wpas_dpp_handle_config_obj(wpa_s, auth); |
1054 | if (res < 0) | |
1055 | goto fail; | |
461d39af | 1056 | |
22f90b32 | 1057 | status = DPP_STATUS_OK; |
67b3bcc9 JM |
1058 | #ifdef CONFIG_TESTING_OPTIONS |
1059 | if (dpp_test == DPP_TEST_REJECT_CONFIG) { | |
1060 | wpa_printf(MSG_INFO, "DPP: TESTING - Reject Config Object"); | |
1061 | status = DPP_STATUS_CONFIG_REJECTED; | |
1062 | } | |
1063 | #endif /* CONFIG_TESTING_OPTIONS */ | |
461d39af | 1064 | fail: |
22f90b32 JM |
1065 | if (status != DPP_STATUS_OK) |
1066 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_CONF_FAILED); | |
1067 | #ifdef CONFIG_DPP2 | |
1068 | if (auth->peer_version >= 2 && | |
1069 | auth->conf_resp_status == DPP_STATUS_OK) { | |
1070 | struct wpabuf *msg; | |
1071 | ||
1072 | wpa_printf(MSG_DEBUG, "DPP: Send DPP Configuration Result"); | |
1073 | msg = dpp_build_conf_result(auth, status); | |
1074 | if (!msg) | |
1075 | goto fail2; | |
1076 | ||
1077 | wpa_msg(wpa_s, MSG_INFO, | |
1078 | DPP_EVENT_TX "dst=" MACSTR " freq=%u type=%d", | |
1079 | MAC2STR(addr), auth->curr_freq, | |
1080 | DPP_PA_CONFIGURATION_RESULT); | |
1081 | offchannel_send_action(wpa_s, auth->curr_freq, | |
1082 | addr, wpa_s->own_addr, broadcast, | |
1083 | wpabuf_head(msg), | |
1084 | wpabuf_len(msg), | |
1085 | 500, wpas_dpp_tx_status, 0); | |
1086 | wpabuf_free(msg); | |
1087 | ||
1088 | /* This exchange will be terminated in the TX status handler */ | |
1089 | return; | |
1090 | } | |
1091 | fail2: | |
1092 | #endif /* CONFIG_DPP2 */ | |
461d39af JM |
1093 | dpp_auth_deinit(wpa_s->dpp_auth); |
1094 | wpa_s->dpp_auth = NULL; | |
1095 | } | |
1096 | ||
1097 | ||
1098 | static void wpas_dpp_start_gas_client(struct wpa_supplicant *wpa_s) | |
1099 | { | |
1100 | struct dpp_authentication *auth = wpa_s->dpp_auth; | |
bd23daa8 | 1101 | struct wpabuf *buf; |
461d39af JM |
1102 | char json[100]; |
1103 | int res; | |
1104 | ||
1105 | wpa_s->dpp_gas_client = 1; | |
1106 | os_snprintf(json, sizeof(json), | |
1107 | "{\"name\":\"Test\"," | |
1108 | "\"wi-fi_tech\":\"infra\"," | |
1109 | "\"netRole\":\"%s\"}", | |
1110 | wpa_s->dpp_netrole_ap ? "ap" : "sta"); | |
f9cf7d03 JM |
1111 | #ifdef CONFIG_TESTING_OPTIONS |
1112 | if (dpp_test == DPP_TEST_INVALID_CONFIG_ATTR_OBJ_CONF_REQ) { | |
1113 | wpa_printf(MSG_INFO, "DPP: TESTING - invalid Config Attr"); | |
1114 | json[29] = 'k'; /* replace "infra" with "knfra" */ | |
1115 | } | |
1116 | #endif /* CONFIG_TESTING_OPTIONS */ | |
461d39af JM |
1117 | wpa_printf(MSG_DEBUG, "DPP: GAS Config Attributes: %s", json); |
1118 | ||
1119 | offchannel_send_action_done(wpa_s); | |
1120 | wpas_dpp_listen_stop(wpa_s); | |
1121 | ||
bd23daa8 JM |
1122 | buf = dpp_build_conf_req(auth, json); |
1123 | if (!buf) { | |
461d39af JM |
1124 | wpa_printf(MSG_DEBUG, |
1125 | "DPP: No configuration request data available"); | |
1126 | return; | |
1127 | } | |
1128 | ||
461d39af JM |
1129 | wpa_printf(MSG_DEBUG, "DPP: GAS request to " MACSTR " (freq %u MHz)", |
1130 | MAC2STR(auth->peer_mac_addr), auth->curr_freq); | |
1131 | ||
1132 | res = gas_query_req(wpa_s->gas, auth->peer_mac_addr, auth->curr_freq, | |
aca4d84e | 1133 | 1, buf, wpas_dpp_gas_resp_cb, wpa_s); |
461d39af JM |
1134 | if (res < 0) { |
1135 | wpa_msg(wpa_s, MSG_DEBUG, "GAS: Failed to send Query Request"); | |
1136 | wpabuf_free(buf); | |
1137 | } else { | |
1138 | wpa_printf(MSG_DEBUG, | |
1139 | "DPP: GAS query started with dialog token %u", res); | |
1866dfb5 | 1140 | wpa_s->dpp_gas_dialog_token = res; |
461d39af JM |
1141 | } |
1142 | } | |
1143 | ||
1144 | ||
1145 | static void wpas_dpp_auth_success(struct wpa_supplicant *wpa_s, int initiator) | |
1146 | { | |
1147 | wpa_printf(MSG_DEBUG, "DPP: Authentication succeeded"); | |
1148 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_AUTH_SUCCESS "init=%d", initiator); | |
d74963d4 SD |
1149 | #ifdef CONFIG_TESTING_OPTIONS |
1150 | if (dpp_test == DPP_TEST_STOP_AT_AUTH_CONF) { | |
1151 | wpa_printf(MSG_INFO, | |
1152 | "DPP: TESTING - stop at Authentication Confirm"); | |
1153 | if (wpa_s->dpp_auth->configurator) { | |
1154 | /* Prevent GAS response */ | |
1155 | wpa_s->dpp_auth->auth_success = 0; | |
1156 | } | |
1157 | return; | |
1158 | } | |
1159 | #endif /* CONFIG_TESTING_OPTIONS */ | |
461d39af JM |
1160 | |
1161 | if (wpa_s->dpp_auth->configurator) | |
1162 | wpas_dpp_start_gas_server(wpa_s); | |
1163 | else | |
1164 | wpas_dpp_start_gas_client(wpa_s); | |
1165 | } | |
1166 | ||
1167 | ||
30d27b04 | 1168 | static void wpas_dpp_rx_auth_resp(struct wpa_supplicant *wpa_s, const u8 *src, |
d2709206 JM |
1169 | const u8 *hdr, const u8 *buf, size_t len, |
1170 | unsigned int freq) | |
30d27b04 JM |
1171 | { |
1172 | struct dpp_authentication *auth = wpa_s->dpp_auth; | |
dc4d271c | 1173 | struct wpabuf *msg; |
30d27b04 | 1174 | |
d2709206 JM |
1175 | wpa_printf(MSG_DEBUG, "DPP: Authentication Response from " MACSTR |
1176 | " (freq %u MHz)", MAC2STR(src), freq); | |
30d27b04 JM |
1177 | |
1178 | if (!auth) { | |
1179 | wpa_printf(MSG_DEBUG, | |
1180 | "DPP: No DPP Authentication in progress - drop"); | |
1181 | return; | |
1182 | } | |
1183 | ||
1184 | if (!is_zero_ether_addr(auth->peer_mac_addr) && | |
1185 | os_memcmp(src, auth->peer_mac_addr, ETH_ALEN) != 0) { | |
1186 | wpa_printf(MSG_DEBUG, "DPP: MAC address mismatch (expected " | |
1187 | MACSTR ") - drop", MAC2STR(auth->peer_mac_addr)); | |
1188 | return; | |
1189 | } | |
1190 | ||
1191 | eloop_cancel_timeout(wpas_dpp_reply_wait_timeout, wpa_s, NULL); | |
1192 | ||
d2709206 JM |
1193 | if (auth->curr_freq != freq && auth->neg_freq == freq) { |
1194 | wpa_printf(MSG_DEBUG, | |
1195 | "DPP: Responder accepted request for different negotiation channel"); | |
1196 | auth->curr_freq = freq; | |
1197 | } | |
1198 | ||
f97ace34 | 1199 | eloop_cancel_timeout(wpas_dpp_init_timeout, wpa_s, NULL); |
dc4d271c JM |
1200 | msg = dpp_auth_resp_rx(auth, hdr, buf, len); |
1201 | if (!msg) { | |
30d27b04 JM |
1202 | if (auth->auth_resp_status == DPP_STATUS_RESPONSE_PENDING) { |
1203 | wpa_printf(MSG_DEBUG, | |
1204 | "DPP: Start wait for full response"); | |
1205 | offchannel_send_action_done(wpa_s); | |
1206 | wpas_dpp_listen_start(wpa_s, auth->curr_freq); | |
1207 | return; | |
1208 | } | |
1209 | wpa_printf(MSG_DEBUG, "DPP: No confirm generated"); | |
1210 | return; | |
1211 | } | |
1212 | os_memcpy(auth->peer_mac_addr, src, ETH_ALEN); | |
1213 | ||
af48810b JM |
1214 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_TX "dst=" MACSTR " freq=%u type=%d", |
1215 | MAC2STR(src), auth->curr_freq, DPP_PA_AUTHENTICATION_CONF); | |
30d27b04 JM |
1216 | offchannel_send_action(wpa_s, auth->curr_freq, |
1217 | src, wpa_s->own_addr, broadcast, | |
1218 | wpabuf_head(msg), wpabuf_len(msg), | |
1219 | 500, wpas_dpp_tx_status, 0); | |
1220 | wpabuf_free(msg); | |
461d39af | 1221 | wpa_s->dpp_auth_ok_on_ack = 1; |
30d27b04 JM |
1222 | } |
1223 | ||
1224 | ||
1225 | static void wpas_dpp_rx_auth_conf(struct wpa_supplicant *wpa_s, const u8 *src, | |
dc4d271c | 1226 | const u8 *hdr, const u8 *buf, size_t len) |
30d27b04 JM |
1227 | { |
1228 | struct dpp_authentication *auth = wpa_s->dpp_auth; | |
1229 | ||
1230 | wpa_printf(MSG_DEBUG, "DPP: Authentication Confirmation from " MACSTR, | |
1231 | MAC2STR(src)); | |
1232 | ||
1233 | if (!auth) { | |
1234 | wpa_printf(MSG_DEBUG, | |
1235 | "DPP: No DPP Authentication in progress - drop"); | |
1236 | return; | |
1237 | } | |
1238 | ||
1239 | if (os_memcmp(src, auth->peer_mac_addr, ETH_ALEN) != 0) { | |
1240 | wpa_printf(MSG_DEBUG, "DPP: MAC address mismatch (expected " | |
1241 | MACSTR ") - drop", MAC2STR(auth->peer_mac_addr)); | |
1242 | return; | |
1243 | } | |
1244 | ||
dc4d271c | 1245 | if (dpp_auth_conf_rx(auth, hdr, buf, len) < 0) { |
30d27b04 JM |
1246 | wpa_printf(MSG_DEBUG, "DPP: Authentication failed"); |
1247 | return; | |
1248 | } | |
1249 | ||
461d39af | 1250 | wpas_dpp_auth_success(wpa_s, 0); |
30d27b04 JM |
1251 | } |
1252 | ||
1253 | ||
22f90b32 JM |
1254 | #ifdef CONFIG_DPP2 |
1255 | ||
1256 | static void wpas_dpp_config_result_wait_timeout(void *eloop_ctx, | |
1257 | void *timeout_ctx) | |
1258 | { | |
1259 | struct wpa_supplicant *wpa_s = eloop_ctx; | |
1260 | struct dpp_authentication *auth = wpa_s->dpp_auth; | |
1261 | ||
1262 | if (!auth || !auth->waiting_conf_result) | |
1263 | return; | |
1264 | ||
1265 | wpa_printf(MSG_DEBUG, | |
1266 | "DPP: Timeout while waiting for Configuration Result"); | |
1267 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_CONF_FAILED); | |
1268 | dpp_auth_deinit(auth); | |
1269 | wpa_s->dpp_auth = NULL; | |
1270 | } | |
1271 | ||
1272 | ||
1273 | static void wpas_dpp_rx_conf_result(struct wpa_supplicant *wpa_s, const u8 *src, | |
1274 | const u8 *hdr, const u8 *buf, size_t len) | |
1275 | { | |
1276 | struct dpp_authentication *auth = wpa_s->dpp_auth; | |
1277 | enum dpp_status_error status; | |
1278 | ||
1279 | wpa_printf(MSG_DEBUG, "DPP: Configuration Result from " MACSTR, | |
1280 | MAC2STR(src)); | |
1281 | ||
1282 | if (!auth || !auth->waiting_conf_result) { | |
1283 | wpa_printf(MSG_DEBUG, | |
1284 | "DPP: No DPP Configuration waiting for result - drop"); | |
1285 | return; | |
1286 | } | |
1287 | ||
1288 | if (os_memcmp(src, auth->peer_mac_addr, ETH_ALEN) != 0) { | |
1289 | wpa_printf(MSG_DEBUG, "DPP: MAC address mismatch (expected " | |
1290 | MACSTR ") - drop", MAC2STR(auth->peer_mac_addr)); | |
1291 | return; | |
1292 | } | |
1293 | ||
1294 | status = dpp_conf_result_rx(auth, hdr, buf, len); | |
1295 | ||
1296 | offchannel_send_action_done(wpa_s); | |
1297 | wpas_dpp_listen_stop(wpa_s); | |
1298 | if (status == DPP_STATUS_OK) | |
1299 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_CONF_SENT); | |
1300 | else | |
1301 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_CONF_FAILED); | |
1302 | dpp_auth_deinit(auth); | |
1303 | wpa_s->dpp_auth = NULL; | |
1304 | eloop_cancel_timeout(wpas_dpp_config_result_wait_timeout, wpa_s, NULL); | |
1305 | } | |
1306 | ||
2a5a0680 JM |
1307 | |
1308 | static int wpas_dpp_process_conf_obj(void *ctx, | |
1309 | struct dpp_authentication *auth) | |
1310 | { | |
1311 | struct wpa_supplicant *wpa_s = ctx; | |
1312 | ||
1313 | return wpas_dpp_handle_config_obj(wpa_s, auth); | |
1314 | } | |
1315 | ||
22f90b32 JM |
1316 | #endif /* CONFIG_DPP2 */ |
1317 | ||
1318 | ||
a0d5c56f JM |
1319 | static void wpas_dpp_rx_peer_disc_resp(struct wpa_supplicant *wpa_s, |
1320 | const u8 *src, | |
1321 | const u8 *buf, size_t len) | |
1322 | { | |
1323 | struct wpa_ssid *ssid; | |
e85b6601 JM |
1324 | const u8 *connector, *trans_id, *status; |
1325 | u16 connector_len, trans_id_len, status_len; | |
a0d5c56f JM |
1326 | struct dpp_introduction intro; |
1327 | struct rsn_pmksa_cache_entry *entry; | |
787615b3 JM |
1328 | struct os_time now; |
1329 | struct os_reltime rnow; | |
1330 | os_time_t expiry; | |
1331 | unsigned int seconds; | |
e85b6601 | 1332 | enum dpp_status_error res; |
a0d5c56f JM |
1333 | |
1334 | wpa_printf(MSG_DEBUG, "DPP: Peer Discovery Response from " MACSTR, | |
1335 | MAC2STR(src)); | |
1336 | if (is_zero_ether_addr(wpa_s->dpp_intro_bssid) || | |
1337 | os_memcmp(src, wpa_s->dpp_intro_bssid, ETH_ALEN) != 0) { | |
1338 | wpa_printf(MSG_DEBUG, "DPP: Not waiting for response from " | |
1339 | MACSTR " - drop", MAC2STR(src)); | |
1340 | return; | |
1341 | } | |
1342 | offchannel_send_action_done(wpa_s); | |
1343 | ||
1344 | for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) { | |
1345 | if (ssid == wpa_s->dpp_intro_network) | |
1346 | break; | |
1347 | } | |
1348 | if (!ssid || !ssid->dpp_connector || !ssid->dpp_netaccesskey || | |
1349 | !ssid->dpp_csign) { | |
1350 | wpa_printf(MSG_DEBUG, | |
1351 | "DPP: Profile not found for network introduction"); | |
1352 | return; | |
1353 | } | |
1354 | ||
85fd8263 JM |
1355 | trans_id = dpp_get_attr(buf, len, DPP_ATTR_TRANSACTION_ID, |
1356 | &trans_id_len); | |
1357 | if (!trans_id || trans_id_len != 1) { | |
1358 | wpa_printf(MSG_DEBUG, | |
1359 | "DPP: Peer did not include Transaction ID"); | |
e85b6601 JM |
1360 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_INTRO "peer=" MACSTR |
1361 | " fail=missing_transaction_id", MAC2STR(src)); | |
85fd8263 JM |
1362 | goto fail; |
1363 | } | |
1364 | if (trans_id[0] != TRANSACTION_ID) { | |
1365 | wpa_printf(MSG_DEBUG, | |
1366 | "DPP: Ignore frame with unexpected Transaction ID %u", | |
1367 | trans_id[0]); | |
e85b6601 JM |
1368 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_INTRO "peer=" MACSTR |
1369 | " fail=transaction_id_mismatch", MAC2STR(src)); | |
1370 | goto fail; | |
1371 | } | |
1372 | ||
1373 | status = dpp_get_attr(buf, len, DPP_ATTR_STATUS, &status_len); | |
1374 | if (!status || status_len != 1) { | |
1375 | wpa_printf(MSG_DEBUG, "DPP: Peer did not include Status"); | |
1376 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_INTRO "peer=" MACSTR | |
1377 | " fail=missing_status", MAC2STR(src)); | |
1378 | goto fail; | |
1379 | } | |
1380 | if (status[0] != DPP_STATUS_OK) { | |
1381 | wpa_printf(MSG_DEBUG, | |
1382 | "DPP: Peer rejected network introduction: Status %u", | |
1383 | status[0]); | |
1384 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_INTRO "peer=" MACSTR | |
1385 | " status=%u", MAC2STR(src), status[0]); | |
85fd8263 JM |
1386 | goto fail; |
1387 | } | |
1388 | ||
a0d5c56f JM |
1389 | connector = dpp_get_attr(buf, len, DPP_ATTR_CONNECTOR, &connector_len); |
1390 | if (!connector) { | |
1391 | wpa_printf(MSG_DEBUG, | |
1392 | "DPP: Peer did not include its Connector"); | |
e85b6601 JM |
1393 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_INTRO "peer=" MACSTR |
1394 | " fail=missing_connector", MAC2STR(src)); | |
1395 | goto fail; | |
a0d5c56f JM |
1396 | } |
1397 | ||
e85b6601 JM |
1398 | res = dpp_peer_intro(&intro, ssid->dpp_connector, |
1399 | ssid->dpp_netaccesskey, | |
1400 | ssid->dpp_netaccesskey_len, | |
1401 | ssid->dpp_csign, | |
1402 | ssid->dpp_csign_len, | |
1403 | connector, connector_len, &expiry); | |
1404 | if (res != DPP_STATUS_OK) { | |
a0d5c56f JM |
1405 | wpa_printf(MSG_INFO, |
1406 | "DPP: Network Introduction protocol resulted in failure"); | |
e85b6601 JM |
1407 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_INTRO "peer=" MACSTR |
1408 | " fail=peer_connector_validation_failed", MAC2STR(src)); | |
a0d5c56f JM |
1409 | goto fail; |
1410 | } | |
1411 | ||
a0d5c56f JM |
1412 | entry = os_zalloc(sizeof(*entry)); |
1413 | if (!entry) | |
1414 | goto fail; | |
1415 | os_memcpy(entry->aa, src, ETH_ALEN); | |
1416 | os_memcpy(entry->pmkid, intro.pmkid, PMKID_LEN); | |
1417 | os_memcpy(entry->pmk, intro.pmk, intro.pmk_len); | |
1418 | entry->pmk_len = intro.pmk_len; | |
1419 | entry->akmp = WPA_KEY_MGMT_DPP; | |
787615b3 JM |
1420 | if (expiry) { |
1421 | os_get_time(&now); | |
1422 | seconds = expiry - now.sec; | |
1423 | } else { | |
1424 | seconds = 86400 * 7; | |
1425 | } | |
1426 | os_get_reltime(&rnow); | |
1427 | entry->expiration = rnow.sec + seconds; | |
1428 | entry->reauth_time = rnow.sec + seconds; | |
a0d5c56f JM |
1429 | entry->network_ctx = ssid; |
1430 | wpa_sm_pmksa_cache_add_entry(wpa_s->wpa, entry); | |
1431 | ||
e85b6601 JM |
1432 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_INTRO "peer=" MACSTR |
1433 | " status=%u", MAC2STR(src), status[0]); | |
1434 | ||
a0d5c56f JM |
1435 | wpa_printf(MSG_DEBUG, |
1436 | "DPP: Try connection again after successful network introduction"); | |
1437 | if (wpa_supplicant_fast_associate(wpa_s) != 1) { | |
1438 | wpa_supplicant_cancel_sched_scan(wpa_s); | |
1439 | wpa_supplicant_req_scan(wpa_s, 0, 0); | |
1440 | } | |
1441 | fail: | |
1442 | os_memset(&intro, 0, sizeof(intro)); | |
1443 | } | |
1444 | ||
1445 | ||
3b50f8a4 JM |
1446 | static int wpas_dpp_allow_ir(struct wpa_supplicant *wpa_s, unsigned int freq) |
1447 | { | |
1448 | int i, j; | |
1449 | ||
1450 | if (!wpa_s->hw.modes) | |
1451 | return -1; | |
1452 | ||
1453 | for (i = 0; i < wpa_s->hw.num_modes; i++) { | |
1454 | struct hostapd_hw_modes *mode = &wpa_s->hw.modes[i]; | |
1455 | ||
1456 | for (j = 0; j < mode->num_channels; j++) { | |
1457 | struct hostapd_channel_data *chan = &mode->channels[j]; | |
1458 | ||
1459 | if (chan->freq != (int) freq) | |
1460 | continue; | |
1461 | ||
1462 | if (chan->flag & (HOSTAPD_CHAN_DISABLED | | |
1463 | HOSTAPD_CHAN_NO_IR | | |
1464 | HOSTAPD_CHAN_RADAR)) | |
1465 | continue; | |
1466 | ||
1467 | return 1; | |
1468 | } | |
1469 | } | |
1470 | ||
1471 | wpa_printf(MSG_DEBUG, | |
1472 | "DPP: Frequency %u MHz not supported or does not allow PKEX initiation in the current channel list", | |
1473 | freq); | |
1474 | ||
1475 | return 0; | |
1476 | } | |
1477 | ||
1478 | ||
1479 | static int wpas_dpp_pkex_next_channel(struct wpa_supplicant *wpa_s, | |
1480 | struct dpp_pkex *pkex) | |
1481 | { | |
1482 | if (pkex->freq == 2437) | |
1483 | pkex->freq = 5745; | |
1484 | else if (pkex->freq == 5745) | |
1485 | pkex->freq = 5220; | |
1486 | else if (pkex->freq == 5220) | |
1487 | pkex->freq = 60480; | |
1488 | else | |
1489 | return -1; /* no more channels to try */ | |
1490 | ||
1491 | if (wpas_dpp_allow_ir(wpa_s, pkex->freq) == 1) { | |
1492 | wpa_printf(MSG_DEBUG, "DPP: Try to initiate on %u MHz", | |
1493 | pkex->freq); | |
1494 | return 0; | |
1495 | } | |
1496 | ||
1497 | /* Could not use this channel - try the next one */ | |
1498 | return wpas_dpp_pkex_next_channel(wpa_s, pkex); | |
1499 | } | |
1500 | ||
1501 | ||
00d2d13d JM |
1502 | static void wpas_dpp_pkex_retry_timeout(void *eloop_ctx, void *timeout_ctx) |
1503 | { | |
1504 | struct wpa_supplicant *wpa_s = eloop_ctx; | |
1505 | struct dpp_pkex *pkex = wpa_s->dpp_pkex; | |
1506 | ||
1507 | if (!pkex || !pkex->exchange_req) | |
1508 | return; | |
1509 | if (pkex->exch_req_tries >= 5) { | |
3b50f8a4 JM |
1510 | if (wpas_dpp_pkex_next_channel(wpa_s, pkex) < 0) { |
1511 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_FAIL | |
1512 | "No response from PKEX peer"); | |
1513 | dpp_pkex_free(pkex); | |
1514 | wpa_s->dpp_pkex = NULL; | |
1515 | return; | |
1516 | } | |
1517 | pkex->exch_req_tries = 0; | |
00d2d13d JM |
1518 | } |
1519 | ||
1520 | pkex->exch_req_tries++; | |
1521 | wpa_printf(MSG_DEBUG, "DPP: Retransmit PKEX Exchange Request (try %u)", | |
1522 | pkex->exch_req_tries); | |
1523 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_TX "dst=" MACSTR " freq=%u type=%d", | |
1524 | MAC2STR(broadcast), pkex->freq, DPP_PA_PKEX_EXCHANGE_REQ); | |
1525 | offchannel_send_action(wpa_s, pkex->freq, broadcast, | |
1526 | wpa_s->own_addr, broadcast, | |
1527 | wpabuf_head(pkex->exchange_req), | |
1528 | wpabuf_len(pkex->exchange_req), | |
1529 | pkex->exch_req_wait_time, | |
1530 | wpas_dpp_tx_pkex_status, 0); | |
1531 | } | |
1532 | ||
1533 | ||
500ed7f0 JM |
1534 | static void |
1535 | wpas_dpp_tx_pkex_status(struct wpa_supplicant *wpa_s, | |
1536 | unsigned int freq, const u8 *dst, | |
1537 | const u8 *src, const u8 *bssid, | |
1538 | const u8 *data, size_t data_len, | |
1539 | enum offchannel_send_action_result result) | |
1540 | { | |
af48810b | 1541 | const char *res_txt; |
00d2d13d | 1542 | struct dpp_pkex *pkex = wpa_s->dpp_pkex; |
af48810b JM |
1543 | |
1544 | res_txt = result == OFFCHANNEL_SEND_ACTION_SUCCESS ? "SUCCESS" : | |
1545 | (result == OFFCHANNEL_SEND_ACTION_NO_ACK ? "no-ACK" : | |
1546 | "FAILED"); | |
500ed7f0 JM |
1547 | wpa_printf(MSG_DEBUG, "DPP: TX status: freq=%u dst=" MACSTR |
1548 | " result=%s (PKEX)", | |
af48810b JM |
1549 | freq, MAC2STR(dst), res_txt); |
1550 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_TX_STATUS "dst=" MACSTR | |
1551 | " freq=%u result=%s", MAC2STR(dst), freq, res_txt); | |
e0247e79 | 1552 | |
00d2d13d | 1553 | if (!pkex) { |
e0247e79 JM |
1554 | wpa_printf(MSG_DEBUG, |
1555 | "DPP: Ignore TX status since there is no ongoing PKEX exchange"); | |
1556 | return; | |
1557 | } | |
1558 | ||
00d2d13d | 1559 | if (pkex->failed) { |
e0247e79 JM |
1560 | wpa_printf(MSG_DEBUG, |
1561 | "DPP: Terminate PKEX exchange due to an earlier error"); | |
00d2d13d JM |
1562 | if (pkex->t > pkex->own_bi->pkex_t) |
1563 | pkex->own_bi->pkex_t = pkex->t; | |
1564 | dpp_pkex_free(pkex); | |
e0247e79 | 1565 | wpa_s->dpp_pkex = NULL; |
00d2d13d JM |
1566 | return; |
1567 | } | |
1568 | ||
1569 | if (pkex->exch_req_wait_time && pkex->exchange_req) { | |
1570 | /* Wait for PKEX Exchange Response frame and retry request if | |
1571 | * no response is seen. */ | |
1572 | eloop_cancel_timeout(wpas_dpp_pkex_retry_timeout, wpa_s, NULL); | |
1573 | eloop_register_timeout(pkex->exch_req_wait_time / 1000, | |
1574 | (pkex->exch_req_wait_time % 1000) * 1000, | |
1575 | wpas_dpp_pkex_retry_timeout, wpa_s, | |
1576 | NULL); | |
e0247e79 | 1577 | } |
500ed7f0 JM |
1578 | } |
1579 | ||
1580 | ||
1581 | static void | |
1582 | wpas_dpp_rx_pkex_exchange_req(struct wpa_supplicant *wpa_s, const u8 *src, | |
1583 | const u8 *buf, size_t len, unsigned int freq) | |
1584 | { | |
1585 | struct wpabuf *msg; | |
1586 | unsigned int wait_time; | |
1587 | ||
1588 | wpa_printf(MSG_DEBUG, "DPP: PKEX Exchange Request from " MACSTR, | |
1589 | MAC2STR(src)); | |
1590 | ||
1591 | /* TODO: Support multiple PKEX codes by iterating over all the enabled | |
1592 | * values here */ | |
1593 | ||
1594 | if (!wpa_s->dpp_pkex_code || !wpa_s->dpp_pkex_bi) { | |
1595 | wpa_printf(MSG_DEBUG, | |
1596 | "DPP: No PKEX code configured - ignore request"); | |
1597 | return; | |
1598 | } | |
1599 | ||
1600 | if (wpa_s->dpp_pkex) { | |
1601 | /* TODO: Support parallel operations */ | |
1602 | wpa_printf(MSG_DEBUG, | |
1603 | "DPP: Already in PKEX session - ignore new request"); | |
1604 | return; | |
1605 | } | |
1606 | ||
219d4c9f | 1607 | wpa_s->dpp_pkex = dpp_pkex_rx_exchange_req(wpa_s, wpa_s->dpp_pkex_bi, |
500ed7f0 JM |
1608 | wpa_s->own_addr, src, |
1609 | wpa_s->dpp_pkex_identifier, | |
1610 | wpa_s->dpp_pkex_code, | |
1611 | buf, len); | |
1612 | if (!wpa_s->dpp_pkex) { | |
1613 | wpa_printf(MSG_DEBUG, | |
1614 | "DPP: Failed to process the request - ignore it"); | |
1615 | return; | |
1616 | } | |
1617 | ||
1618 | msg = wpa_s->dpp_pkex->exchange_resp; | |
1619 | wait_time = wpa_s->max_remain_on_chan; | |
1620 | if (wait_time > 2000) | |
1621 | wait_time = 2000; | |
af48810b JM |
1622 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_TX "dst=" MACSTR " freq=%u type=%d", |
1623 | MAC2STR(src), freq, DPP_PA_PKEX_EXCHANGE_RESP); | |
500ed7f0 JM |
1624 | offchannel_send_action(wpa_s, freq, src, wpa_s->own_addr, |
1625 | broadcast, | |
1626 | wpabuf_head(msg), wpabuf_len(msg), | |
1627 | wait_time, wpas_dpp_tx_pkex_status, 0); | |
1628 | } | |
1629 | ||
1630 | ||
1631 | static void | |
1632 | wpas_dpp_rx_pkex_exchange_resp(struct wpa_supplicant *wpa_s, const u8 *src, | |
1633 | const u8 *buf, size_t len, unsigned int freq) | |
1634 | { | |
1635 | struct wpabuf *msg; | |
1636 | unsigned int wait_time; | |
1637 | ||
1638 | wpa_printf(MSG_DEBUG, "DPP: PKEX Exchange Response from " MACSTR, | |
1639 | MAC2STR(src)); | |
1640 | ||
1641 | /* TODO: Support multiple PKEX codes by iterating over all the enabled | |
1642 | * values here */ | |
1643 | ||
1644 | if (!wpa_s->dpp_pkex || !wpa_s->dpp_pkex->initiator || | |
1645 | wpa_s->dpp_pkex->exchange_done) { | |
1646 | wpa_printf(MSG_DEBUG, "DPP: No matching PKEX session"); | |
1647 | return; | |
1648 | } | |
1649 | ||
00d2d13d JM |
1650 | eloop_cancel_timeout(wpas_dpp_pkex_retry_timeout, wpa_s, NULL); |
1651 | wpa_s->dpp_pkex->exch_req_wait_time = 0; | |
1652 | ||
af4103e5 | 1653 | msg = dpp_pkex_rx_exchange_resp(wpa_s->dpp_pkex, src, buf, len); |
500ed7f0 JM |
1654 | if (!msg) { |
1655 | wpa_printf(MSG_DEBUG, "DPP: Failed to process the response"); | |
1656 | return; | |
1657 | } | |
1658 | ||
1659 | wpa_printf(MSG_DEBUG, "DPP: Send PKEX Commit-Reveal Request to " MACSTR, | |
1660 | MAC2STR(src)); | |
1661 | ||
1662 | wait_time = wpa_s->max_remain_on_chan; | |
1663 | if (wait_time > 2000) | |
1664 | wait_time = 2000; | |
af48810b JM |
1665 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_TX "dst=" MACSTR " freq=%u type=%d", |
1666 | MAC2STR(src), freq, DPP_PA_PKEX_COMMIT_REVEAL_REQ); | |
500ed7f0 JM |
1667 | offchannel_send_action(wpa_s, freq, src, wpa_s->own_addr, |
1668 | broadcast, | |
1669 | wpabuf_head(msg), wpabuf_len(msg), | |
1670 | wait_time, wpas_dpp_tx_pkex_status, 0); | |
1671 | wpabuf_free(msg); | |
1672 | } | |
1673 | ||
1674 | ||
de029861 JM |
1675 | static struct dpp_bootstrap_info * |
1676 | wpas_dpp_pkex_finish(struct wpa_supplicant *wpa_s, const u8 *peer, | |
1677 | unsigned int freq) | |
1678 | { | |
de029861 JM |
1679 | struct dpp_bootstrap_info *bi; |
1680 | ||
87d8435c | 1681 | bi = dpp_pkex_finish(wpa_s->dpp, wpa_s->dpp_pkex, peer, freq); |
de029861 JM |
1682 | if (!bi) |
1683 | return NULL; | |
de029861 | 1684 | wpa_s->dpp_pkex = NULL; |
de029861 JM |
1685 | return bi; |
1686 | } | |
1687 | ||
1688 | ||
500ed7f0 JM |
1689 | static void |
1690 | wpas_dpp_rx_pkex_commit_reveal_req(struct wpa_supplicant *wpa_s, const u8 *src, | |
4be5bc98 JM |
1691 | const u8 *hdr, const u8 *buf, size_t len, |
1692 | unsigned int freq) | |
500ed7f0 JM |
1693 | { |
1694 | struct wpabuf *msg; | |
1695 | unsigned int wait_time; | |
1696 | struct dpp_pkex *pkex = wpa_s->dpp_pkex; | |
500ed7f0 JM |
1697 | |
1698 | wpa_printf(MSG_DEBUG, "DPP: PKEX Commit-Reveal Request from " MACSTR, | |
1699 | MAC2STR(src)); | |
1700 | ||
1701 | if (!pkex || pkex->initiator || !pkex->exchange_done) { | |
1702 | wpa_printf(MSG_DEBUG, "DPP: No matching PKEX session"); | |
1703 | return; | |
1704 | } | |
1705 | ||
4be5bc98 | 1706 | msg = dpp_pkex_rx_commit_reveal_req(pkex, hdr, buf, len); |
500ed7f0 JM |
1707 | if (!msg) { |
1708 | wpa_printf(MSG_DEBUG, "DPP: Failed to process the request"); | |
039b8e73 JM |
1709 | if (pkex->failed) { |
1710 | wpa_printf(MSG_DEBUG, "DPP: Terminate PKEX exchange"); | |
29ab69e4 JM |
1711 | if (pkex->t > pkex->own_bi->pkex_t) |
1712 | pkex->own_bi->pkex_t = pkex->t; | |
039b8e73 JM |
1713 | dpp_pkex_free(wpa_s->dpp_pkex); |
1714 | wpa_s->dpp_pkex = NULL; | |
1715 | } | |
500ed7f0 JM |
1716 | return; |
1717 | } | |
1718 | ||
1719 | wpa_printf(MSG_DEBUG, "DPP: Send PKEX Commit-Reveal Response to " | |
1720 | MACSTR, MAC2STR(src)); | |
1721 | ||
1722 | wait_time = wpa_s->max_remain_on_chan; | |
1723 | if (wait_time > 2000) | |
1724 | wait_time = 2000; | |
af48810b JM |
1725 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_TX "dst=" MACSTR " freq=%u type=%d", |
1726 | MAC2STR(src), freq, DPP_PA_PKEX_COMMIT_REVEAL_RESP); | |
500ed7f0 JM |
1727 | offchannel_send_action(wpa_s, freq, src, wpa_s->own_addr, |
1728 | broadcast, | |
1729 | wpabuf_head(msg), wpabuf_len(msg), | |
1730 | wait_time, wpas_dpp_tx_pkex_status, 0); | |
1731 | wpabuf_free(msg); | |
1732 | ||
de029861 | 1733 | wpas_dpp_pkex_finish(wpa_s, src, freq); |
500ed7f0 JM |
1734 | } |
1735 | ||
1736 | ||
1737 | static void | |
1738 | wpas_dpp_rx_pkex_commit_reveal_resp(struct wpa_supplicant *wpa_s, const u8 *src, | |
4be5bc98 | 1739 | const u8 *hdr, const u8 *buf, size_t len, |
500ed7f0 JM |
1740 | unsigned int freq) |
1741 | { | |
1742 | int res; | |
de029861 | 1743 | struct dpp_bootstrap_info *bi; |
500ed7f0 JM |
1744 | struct dpp_pkex *pkex = wpa_s->dpp_pkex; |
1745 | char cmd[500]; | |
1746 | ||
1747 | wpa_printf(MSG_DEBUG, "DPP: PKEX Commit-Reveal Response from " MACSTR, | |
1748 | MAC2STR(src)); | |
1749 | ||
1750 | if (!pkex || !pkex->initiator || !pkex->exchange_done) { | |
1751 | wpa_printf(MSG_DEBUG, "DPP: No matching PKEX session"); | |
1752 | return; | |
1753 | } | |
1754 | ||
4be5bc98 | 1755 | res = dpp_pkex_rx_commit_reveal_resp(pkex, hdr, buf, len); |
500ed7f0 JM |
1756 | if (res < 0) { |
1757 | wpa_printf(MSG_DEBUG, "DPP: Failed to process the response"); | |
1758 | return; | |
1759 | } | |
1760 | ||
de029861 | 1761 | bi = wpas_dpp_pkex_finish(wpa_s, src, freq); |
500ed7f0 JM |
1762 | if (!bi) |
1763 | return; | |
500ed7f0 JM |
1764 | |
1765 | os_snprintf(cmd, sizeof(cmd), " peer=%u %s", | |
1766 | bi->id, | |
1767 | wpa_s->dpp_pkex_auth_cmd ? wpa_s->dpp_pkex_auth_cmd : ""); | |
1768 | wpa_printf(MSG_DEBUG, | |
1769 | "DPP: Start authentication after PKEX with parameters: %s", | |
1770 | cmd); | |
1771 | if (wpas_dpp_auth_init(wpa_s, cmd) < 0) { | |
1772 | wpa_printf(MSG_DEBUG, | |
1773 | "DPP: Authentication initialization failed"); | |
1774 | return; | |
1775 | } | |
1776 | } | |
1777 | ||
1778 | ||
30d27b04 JM |
1779 | void wpas_dpp_rx_action(struct wpa_supplicant *wpa_s, const u8 *src, |
1780 | const u8 *buf, size_t len, unsigned int freq) | |
1781 | { | |
8c19ea3f | 1782 | u8 crypto_suite; |
30d27b04 | 1783 | enum dpp_public_action_frame_type type; |
dc4d271c | 1784 | const u8 *hdr; |
29ab69e4 | 1785 | unsigned int pkex_t; |
30d27b04 | 1786 | |
dc4d271c JM |
1787 | if (len < DPP_HDR_LEN) |
1788 | return; | |
1789 | if (WPA_GET_BE24(buf) != OUI_WFA || buf[3] != DPP_OUI_TYPE) | |
30d27b04 | 1790 | return; |
dc4d271c JM |
1791 | hdr = buf; |
1792 | buf += 4; | |
1793 | len -= 4; | |
8c19ea3f JM |
1794 | crypto_suite = *buf++; |
1795 | type = *buf++; | |
1796 | len -= 2; | |
30d27b04 JM |
1797 | |
1798 | wpa_printf(MSG_DEBUG, | |
8c19ea3f | 1799 | "DPP: Received DPP Public Action frame crypto suite %u type %d from " |
30d27b04 | 1800 | MACSTR " freq=%u", |
8c19ea3f JM |
1801 | crypto_suite, type, MAC2STR(src), freq); |
1802 | if (crypto_suite != 1) { | |
1803 | wpa_printf(MSG_DEBUG, "DPP: Unsupported crypto suite %u", | |
1804 | crypto_suite); | |
a7073934 JM |
1805 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_RX "src=" MACSTR |
1806 | " freq=%u type=%d ignore=unsupported-crypto-suite", | |
1807 | MAC2STR(src), freq, type); | |
8c19ea3f JM |
1808 | return; |
1809 | } | |
30d27b04 | 1810 | wpa_hexdump(MSG_MSGDUMP, "DPP: Received message attributes", buf, len); |
a7073934 JM |
1811 | if (dpp_check_attrs(buf, len) < 0) { |
1812 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_RX "src=" MACSTR | |
1813 | " freq=%u type=%d ignore=invalid-attributes", | |
1814 | MAC2STR(src), freq, type); | |
30d27b04 | 1815 | return; |
a7073934 JM |
1816 | } |
1817 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_RX "src=" MACSTR " freq=%u type=%d", | |
1818 | MAC2STR(src), freq, type); | |
30d27b04 JM |
1819 | |
1820 | switch (type) { | |
1821 | case DPP_PA_AUTHENTICATION_REQ: | |
dc4d271c | 1822 | wpas_dpp_rx_auth_req(wpa_s, src, hdr, buf, len, freq); |
30d27b04 JM |
1823 | break; |
1824 | case DPP_PA_AUTHENTICATION_RESP: | |
d2709206 | 1825 | wpas_dpp_rx_auth_resp(wpa_s, src, hdr, buf, len, freq); |
30d27b04 JM |
1826 | break; |
1827 | case DPP_PA_AUTHENTICATION_CONF: | |
dc4d271c | 1828 | wpas_dpp_rx_auth_conf(wpa_s, src, hdr, buf, len); |
30d27b04 | 1829 | break; |
a0d5c56f JM |
1830 | case DPP_PA_PEER_DISCOVERY_RESP: |
1831 | wpas_dpp_rx_peer_disc_resp(wpa_s, src, buf, len); | |
1832 | break; | |
500ed7f0 JM |
1833 | case DPP_PA_PKEX_EXCHANGE_REQ: |
1834 | wpas_dpp_rx_pkex_exchange_req(wpa_s, src, buf, len, freq); | |
1835 | break; | |
1836 | case DPP_PA_PKEX_EXCHANGE_RESP: | |
1837 | wpas_dpp_rx_pkex_exchange_resp(wpa_s, src, buf, len, freq); | |
1838 | break; | |
1839 | case DPP_PA_PKEX_COMMIT_REVEAL_REQ: | |
4be5bc98 JM |
1840 | wpas_dpp_rx_pkex_commit_reveal_req(wpa_s, src, hdr, buf, len, |
1841 | freq); | |
500ed7f0 JM |
1842 | break; |
1843 | case DPP_PA_PKEX_COMMIT_REVEAL_RESP: | |
4be5bc98 JM |
1844 | wpas_dpp_rx_pkex_commit_reveal_resp(wpa_s, src, hdr, buf, len, |
1845 | freq); | |
500ed7f0 | 1846 | break; |
22f90b32 JM |
1847 | #ifdef CONFIG_DPP2 |
1848 | case DPP_PA_CONFIGURATION_RESULT: | |
1849 | wpas_dpp_rx_conf_result(wpa_s, src, hdr, buf, len); | |
1850 | break; | |
1851 | #endif /* CONFIG_DPP2 */ | |
30d27b04 JM |
1852 | default: |
1853 | wpa_printf(MSG_DEBUG, | |
1854 | "DPP: Ignored unsupported frame subtype %d", type); | |
1855 | break; | |
1856 | } | |
29ab69e4 JM |
1857 | |
1858 | if (wpa_s->dpp_pkex) | |
1859 | pkex_t = wpa_s->dpp_pkex->t; | |
1860 | else if (wpa_s->dpp_pkex_bi) | |
1861 | pkex_t = wpa_s->dpp_pkex_bi->pkex_t; | |
1862 | else | |
1863 | pkex_t = 0; | |
1864 | if (pkex_t >= PKEX_COUNTER_T_LIMIT) { | |
1865 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_PKEX_T_LIMIT "id=0"); | |
1866 | wpas_dpp_pkex_remove(wpa_s, "*"); | |
1867 | } | |
30d27b04 JM |
1868 | } |
1869 | ||
1870 | ||
461d39af JM |
1871 | static struct wpabuf * |
1872 | wpas_dpp_gas_req_handler(void *ctx, const u8 *sa, const u8 *query, | |
1873 | size_t query_len) | |
1874 | { | |
1875 | struct wpa_supplicant *wpa_s = ctx; | |
1876 | struct dpp_authentication *auth = wpa_s->dpp_auth; | |
1877 | struct wpabuf *resp; | |
1878 | ||
1879 | wpa_printf(MSG_DEBUG, "DPP: GAS request from " MACSTR, | |
1880 | MAC2STR(sa)); | |
1881 | if (!auth || !auth->auth_success || | |
1882 | os_memcmp(sa, auth->peer_mac_addr, ETH_ALEN) != 0) { | |
1883 | wpa_printf(MSG_DEBUG, "DPP: No matching exchange in progress"); | |
1884 | return NULL; | |
1885 | } | |
422e73d6 JM |
1886 | |
1887 | if (wpa_s->dpp_auth_ok_on_ack && auth->configurator) { | |
1888 | wpa_printf(MSG_DEBUG, | |
1889 | "DPP: Have not received ACK for Auth Confirm yet - assume it was received based on this GAS request"); | |
1890 | /* wpas_dpp_auth_success() would normally have been called from | |
1891 | * TX status handler, but since there was no such handler call | |
1892 | * yet, simply send out the event message and proceed with | |
1893 | * exchange. */ | |
1894 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_AUTH_SUCCESS "init=1"); | |
1895 | wpa_s->dpp_auth_ok_on_ack = 0; | |
1896 | } | |
1897 | ||
461d39af JM |
1898 | wpa_hexdump(MSG_DEBUG, |
1899 | "DPP: Received Configuration Request (GAS Query Request)", | |
1900 | query, query_len); | |
fd920954 JM |
1901 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_CONF_REQ_RX "src=" MACSTR, |
1902 | MAC2STR(sa)); | |
461d39af JM |
1903 | resp = dpp_conf_req_rx(auth, query, query_len); |
1904 | if (!resp) | |
1905 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_CONF_FAILED); | |
82feacce | 1906 | auth->conf_resp = resp; |
461d39af JM |
1907 | return resp; |
1908 | } | |
1909 | ||
1910 | ||
1911 | static void | |
1912 | wpas_dpp_gas_status_handler(void *ctx, struct wpabuf *resp, int ok) | |
1913 | { | |
1914 | struct wpa_supplicant *wpa_s = ctx; | |
1915 | struct dpp_authentication *auth = wpa_s->dpp_auth; | |
1916 | ||
1917 | if (!auth) { | |
1918 | wpabuf_free(resp); | |
1919 | return; | |
1920 | } | |
82feacce JM |
1921 | if (auth->conf_resp != resp) { |
1922 | wpa_printf(MSG_DEBUG, | |
1923 | "DPP: Ignore GAS status report (ok=%d) for unknown response", | |
1924 | ok); | |
1925 | wpabuf_free(resp); | |
1926 | return; | |
1927 | } | |
461d39af JM |
1928 | |
1929 | wpa_printf(MSG_DEBUG, "DPP: Configuration exchange completed (ok=%d)", | |
1930 | ok); | |
1931 | eloop_cancel_timeout(wpas_dpp_reply_wait_timeout, wpa_s, NULL); | |
95b0104a | 1932 | eloop_cancel_timeout(wpas_dpp_auth_resp_retry_timeout, wpa_s, NULL); |
22f90b32 JM |
1933 | #ifdef CONFIG_DPP2 |
1934 | if (ok && auth->peer_version >= 2 && | |
1935 | auth->conf_resp_status == DPP_STATUS_OK) { | |
1936 | wpa_printf(MSG_DEBUG, "DPP: Wait for Configuration Result"); | |
1937 | auth->waiting_conf_result = 1; | |
1938 | auth->conf_resp = NULL; | |
1939 | wpabuf_free(resp); | |
1940 | eloop_cancel_timeout(wpas_dpp_config_result_wait_timeout, | |
1941 | wpa_s, NULL); | |
1942 | eloop_register_timeout(2, 0, | |
1943 | wpas_dpp_config_result_wait_timeout, | |
1944 | wpa_s, NULL); | |
1945 | return; | |
1946 | } | |
1947 | #endif /* CONFIG_DPP2 */ | |
461d39af JM |
1948 | offchannel_send_action_done(wpa_s); |
1949 | wpas_dpp_listen_stop(wpa_s); | |
1950 | if (ok) | |
1951 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_CONF_SENT); | |
1952 | else | |
1953 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_CONF_FAILED); | |
1954 | dpp_auth_deinit(wpa_s->dpp_auth); | |
1955 | wpa_s->dpp_auth = NULL; | |
1956 | wpabuf_free(resp); | |
1957 | } | |
1958 | ||
1959 | ||
f522bb23 JM |
1960 | int wpas_dpp_configurator_sign(struct wpa_supplicant *wpa_s, const char *cmd) |
1961 | { | |
1962 | struct dpp_authentication *auth; | |
1963 | int ret = -1; | |
1964 | char *curve = NULL; | |
1965 | ||
1966 | auth = os_zalloc(sizeof(*auth)); | |
1967 | if (!auth) | |
1968 | return -1; | |
1969 | ||
1970 | curve = get_param(cmd, " curve="); | |
e22c2338 | 1971 | wpas_dpp_set_testing_options(wpa_s, auth); |
87d8435c | 1972 | if (dpp_set_configurator(wpa_s->dpp, wpa_s, auth, cmd) == 0 && |
22f90b32 JM |
1973 | dpp_configurator_own_config(auth, curve, 0) == 0) |
1974 | ret = wpas_dpp_handle_config_obj(wpa_s, auth); | |
f522bb23 JM |
1975 | |
1976 | dpp_auth_deinit(auth); | |
1977 | os_free(curve); | |
1978 | ||
1979 | return ret; | |
1980 | } | |
1981 | ||
1982 | ||
a0d5c56f JM |
1983 | static void |
1984 | wpas_dpp_tx_introduction_status(struct wpa_supplicant *wpa_s, | |
1985 | unsigned int freq, const u8 *dst, | |
1986 | const u8 *src, const u8 *bssid, | |
1987 | const u8 *data, size_t data_len, | |
1988 | enum offchannel_send_action_result result) | |
1989 | { | |
af48810b JM |
1990 | const char *res_txt; |
1991 | ||
1992 | res_txt = result == OFFCHANNEL_SEND_ACTION_SUCCESS ? "SUCCESS" : | |
1993 | (result == OFFCHANNEL_SEND_ACTION_NO_ACK ? "no-ACK" : | |
1994 | "FAILED"); | |
a0d5c56f JM |
1995 | wpa_printf(MSG_DEBUG, "DPP: TX status: freq=%u dst=" MACSTR |
1996 | " result=%s (DPP Peer Discovery Request)", | |
af48810b JM |
1997 | freq, MAC2STR(dst), res_txt); |
1998 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_TX_STATUS "dst=" MACSTR | |
1999 | " freq=%u result=%s", MAC2STR(dst), freq, res_txt); | |
a0d5c56f JM |
2000 | /* TODO: Time out wait for response more quickly in error cases? */ |
2001 | } | |
2002 | ||
2003 | ||
2004 | int wpas_dpp_check_connect(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid, | |
2005 | struct wpa_bss *bss) | |
2006 | { | |
2007 | struct os_time now; | |
2008 | struct wpabuf *msg; | |
2009 | unsigned int wait_time; | |
dd6c5980 JM |
2010 | const u8 *rsn; |
2011 | struct wpa_ie_data ied; | |
a0d5c56f JM |
2012 | |
2013 | if (!(ssid->key_mgmt & WPA_KEY_MGMT_DPP) || !bss) | |
2014 | return 0; /* Not using DPP AKM - continue */ | |
dd6c5980 JM |
2015 | rsn = wpa_bss_get_ie(bss, WLAN_EID_RSN); |
2016 | if (rsn && wpa_parse_wpa_ie(rsn, 2 + rsn[1], &ied) == 0 && | |
2017 | !(ied.key_mgmt & WPA_KEY_MGMT_DPP)) | |
2018 | return 0; /* AP does not support DPP AKM - continue */ | |
a0d5c56f JM |
2019 | if (wpa_sm_pmksa_exists(wpa_s->wpa, bss->bssid, ssid)) |
2020 | return 0; /* PMKSA exists for DPP AKM - continue */ | |
2021 | ||
2022 | if (!ssid->dpp_connector || !ssid->dpp_netaccesskey || | |
2023 | !ssid->dpp_csign) { | |
2024 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_MISSING_CONNECTOR | |
2025 | "missing %s", | |
2026 | !ssid->dpp_connector ? "Connector" : | |
2027 | (!ssid->dpp_netaccesskey ? "netAccessKey" : | |
2028 | "C-sign-key")); | |
2029 | return -1; | |
2030 | } | |
2031 | ||
2032 | os_get_time(&now); | |
2033 | ||
a0d5c56f | 2034 | if (ssid->dpp_netaccesskey_expiry && |
3ca4be1e | 2035 | (os_time_t) ssid->dpp_netaccesskey_expiry < now.sec) { |
a0d5c56f JM |
2036 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_MISSING_CONNECTOR |
2037 | "netAccessKey expired"); | |
2038 | return -1; | |
2039 | } | |
2040 | ||
2041 | wpa_printf(MSG_DEBUG, | |
2042 | "DPP: Starting network introduction protocol to derive PMKSA for " | |
2043 | MACSTR, MAC2STR(bss->bssid)); | |
2044 | ||
2045 | msg = dpp_alloc_msg(DPP_PA_PEER_DISCOVERY_REQ, | |
85fd8263 | 2046 | 5 + 4 + os_strlen(ssid->dpp_connector)); |
a0d5c56f JM |
2047 | if (!msg) |
2048 | return -1; | |
2049 | ||
a306ed5a JM |
2050 | #ifdef CONFIG_TESTING_OPTIONS |
2051 | if (dpp_test == DPP_TEST_NO_TRANSACTION_ID_PEER_DISC_REQ) { | |
2052 | wpa_printf(MSG_INFO, "DPP: TESTING - no Transaction ID"); | |
2053 | goto skip_trans_id; | |
2054 | } | |
55c6c858 JM |
2055 | if (dpp_test == DPP_TEST_INVALID_TRANSACTION_ID_PEER_DISC_REQ) { |
2056 | wpa_printf(MSG_INFO, "DPP: TESTING - invalid Transaction ID"); | |
2057 | wpabuf_put_le16(msg, DPP_ATTR_TRANSACTION_ID); | |
2058 | wpabuf_put_le16(msg, 0); | |
2059 | goto skip_trans_id; | |
2060 | } | |
a306ed5a JM |
2061 | #endif /* CONFIG_TESTING_OPTIONS */ |
2062 | ||
85fd8263 JM |
2063 | /* Transaction ID */ |
2064 | wpabuf_put_le16(msg, DPP_ATTR_TRANSACTION_ID); | |
2065 | wpabuf_put_le16(msg, 1); | |
2066 | wpabuf_put_u8(msg, TRANSACTION_ID); | |
2067 | ||
a306ed5a JM |
2068 | #ifdef CONFIG_TESTING_OPTIONS |
2069 | skip_trans_id: | |
2070 | if (dpp_test == DPP_TEST_NO_CONNECTOR_PEER_DISC_REQ) { | |
2071 | wpa_printf(MSG_INFO, "DPP: TESTING - no Connector"); | |
2072 | goto skip_connector; | |
2073 | } | |
4b8de0c9 JM |
2074 | if (dpp_test == DPP_TEST_INVALID_CONNECTOR_PEER_DISC_REQ) { |
2075 | char *connector; | |
2076 | ||
2077 | wpa_printf(MSG_INFO, "DPP: TESTING - invalid Connector"); | |
2078 | connector = dpp_corrupt_connector_signature( | |
2079 | ssid->dpp_connector); | |
2080 | if (!connector) { | |
2081 | wpabuf_free(msg); | |
2082 | return -1; | |
2083 | } | |
2084 | wpabuf_put_le16(msg, DPP_ATTR_CONNECTOR); | |
2085 | wpabuf_put_le16(msg, os_strlen(connector)); | |
2086 | wpabuf_put_str(msg, connector); | |
2087 | os_free(connector); | |
2088 | goto skip_connector; | |
2089 | } | |
a306ed5a JM |
2090 | #endif /* CONFIG_TESTING_OPTIONS */ |
2091 | ||
a0d5c56f JM |
2092 | /* DPP Connector */ |
2093 | wpabuf_put_le16(msg, DPP_ATTR_CONNECTOR); | |
2094 | wpabuf_put_le16(msg, os_strlen(ssid->dpp_connector)); | |
2095 | wpabuf_put_str(msg, ssid->dpp_connector); | |
2096 | ||
a306ed5a JM |
2097 | #ifdef CONFIG_TESTING_OPTIONS |
2098 | skip_connector: | |
2099 | #endif /* CONFIG_TESTING_OPTIONS */ | |
2100 | ||
a0d5c56f JM |
2101 | /* TODO: Timeout on AP response */ |
2102 | wait_time = wpa_s->max_remain_on_chan; | |
2103 | if (wait_time > 2000) | |
2104 | wait_time = 2000; | |
af48810b JM |
2105 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_TX "dst=" MACSTR " freq=%u type=%d", |
2106 | MAC2STR(bss->bssid), bss->freq, DPP_PA_PEER_DISCOVERY_REQ); | |
a0d5c56f JM |
2107 | offchannel_send_action(wpa_s, bss->freq, bss->bssid, wpa_s->own_addr, |
2108 | broadcast, | |
2109 | wpabuf_head(msg), wpabuf_len(msg), | |
2110 | wait_time, wpas_dpp_tx_introduction_status, 0); | |
2111 | wpabuf_free(msg); | |
2112 | ||
2113 | /* Request this connection attempt to terminate - new one will be | |
2114 | * started when network introduction protocol completes */ | |
2115 | os_memcpy(wpa_s->dpp_intro_bssid, bss->bssid, ETH_ALEN); | |
2116 | wpa_s->dpp_intro_network = ssid; | |
2117 | return 1; | |
2118 | } | |
2119 | ||
2120 | ||
500ed7f0 JM |
2121 | int wpas_dpp_pkex_add(struct wpa_supplicant *wpa_s, const char *cmd) |
2122 | { | |
2123 | struct dpp_bootstrap_info *own_bi; | |
2124 | const char *pos, *end; | |
2125 | unsigned int wait_time; | |
2126 | ||
2127 | pos = os_strstr(cmd, " own="); | |
2128 | if (!pos) | |
2129 | return -1; | |
2130 | pos += 5; | |
87d8435c | 2131 | own_bi = dpp_bootstrap_get_id(wpa_s->dpp, atoi(pos)); |
500ed7f0 JM |
2132 | if (!own_bi) { |
2133 | wpa_printf(MSG_DEBUG, | |
2134 | "DPP: Identified bootstrap info not found"); | |
2135 | return -1; | |
2136 | } | |
2137 | if (own_bi->type != DPP_BOOTSTRAP_PKEX) { | |
2138 | wpa_printf(MSG_DEBUG, | |
2139 | "DPP: Identified bootstrap info not for PKEX"); | |
2140 | return -1; | |
2141 | } | |
2142 | wpa_s->dpp_pkex_bi = own_bi; | |
29ab69e4 | 2143 | own_bi->pkex_t = 0; /* clear pending errors on new code */ |
500ed7f0 JM |
2144 | |
2145 | os_free(wpa_s->dpp_pkex_identifier); | |
2146 | wpa_s->dpp_pkex_identifier = NULL; | |
2147 | pos = os_strstr(cmd, " identifier="); | |
2148 | if (pos) { | |
2149 | pos += 12; | |
2150 | end = os_strchr(pos, ' '); | |
2151 | if (!end) | |
2152 | return -1; | |
2153 | wpa_s->dpp_pkex_identifier = os_malloc(end - pos + 1); | |
2154 | if (!wpa_s->dpp_pkex_identifier) | |
2155 | return -1; | |
2156 | os_memcpy(wpa_s->dpp_pkex_identifier, pos, end - pos); | |
2157 | wpa_s->dpp_pkex_identifier[end - pos] = '\0'; | |
2158 | } | |
2159 | ||
2160 | pos = os_strstr(cmd, " code="); | |
2161 | if (!pos) | |
2162 | return -1; | |
2163 | os_free(wpa_s->dpp_pkex_code); | |
2164 | wpa_s->dpp_pkex_code = os_strdup(pos + 6); | |
2165 | if (!wpa_s->dpp_pkex_code) | |
2166 | return -1; | |
2167 | ||
2168 | if (os_strstr(cmd, " init=1")) { | |
00d2d13d | 2169 | struct dpp_pkex *pkex; |
500ed7f0 JM |
2170 | struct wpabuf *msg; |
2171 | ||
2172 | wpa_printf(MSG_DEBUG, "DPP: Initiating PKEX"); | |
2173 | dpp_pkex_free(wpa_s->dpp_pkex); | |
219d4c9f | 2174 | wpa_s->dpp_pkex = dpp_pkex_init(wpa_s, own_bi, wpa_s->own_addr, |
500ed7f0 JM |
2175 | wpa_s->dpp_pkex_identifier, |
2176 | wpa_s->dpp_pkex_code); | |
00d2d13d JM |
2177 | pkex = wpa_s->dpp_pkex; |
2178 | if (!pkex) | |
500ed7f0 JM |
2179 | return -1; |
2180 | ||
00d2d13d | 2181 | msg = pkex->exchange_req; |
500ed7f0 JM |
2182 | wait_time = wpa_s->max_remain_on_chan; |
2183 | if (wait_time > 2000) | |
2184 | wait_time = 2000; | |
00d2d13d | 2185 | pkex->freq = 2437; |
af48810b JM |
2186 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_TX "dst=" MACSTR |
2187 | " freq=%u type=%d", | |
00d2d13d JM |
2188 | MAC2STR(broadcast), pkex->freq, |
2189 | DPP_PA_PKEX_EXCHANGE_REQ); | |
2190 | offchannel_send_action(wpa_s, pkex->freq, broadcast, | |
2191 | wpa_s->own_addr, broadcast, | |
500ed7f0 JM |
2192 | wpabuf_head(msg), wpabuf_len(msg), |
2193 | wait_time, wpas_dpp_tx_pkex_status, 0); | |
00d2d13d JM |
2194 | if (wait_time == 0) |
2195 | wait_time = 2000; | |
2196 | pkex->exch_req_wait_time = wait_time; | |
2197 | pkex->exch_req_tries = 1; | |
500ed7f0 JM |
2198 | } |
2199 | ||
2200 | /* TODO: Support multiple PKEX info entries */ | |
2201 | ||
2202 | os_free(wpa_s->dpp_pkex_auth_cmd); | |
2203 | wpa_s->dpp_pkex_auth_cmd = os_strdup(cmd); | |
2204 | ||
2205 | return 1; | |
2206 | } | |
2207 | ||
2208 | ||
2209 | int wpas_dpp_pkex_remove(struct wpa_supplicant *wpa_s, const char *id) | |
2210 | { | |
2211 | unsigned int id_val; | |
2212 | ||
2213 | if (os_strcmp(id, "*") == 0) { | |
2214 | id_val = 0; | |
2215 | } else { | |
2216 | id_val = atoi(id); | |
2217 | if (id_val == 0) | |
2218 | return -1; | |
2219 | } | |
2220 | ||
2221 | if ((id_val != 0 && id_val != 1) || !wpa_s->dpp_pkex_code) | |
2222 | return -1; | |
2223 | ||
2224 | /* TODO: Support multiple PKEX entries */ | |
2225 | os_free(wpa_s->dpp_pkex_code); | |
2226 | wpa_s->dpp_pkex_code = NULL; | |
2227 | os_free(wpa_s->dpp_pkex_identifier); | |
2228 | wpa_s->dpp_pkex_identifier = NULL; | |
2229 | os_free(wpa_s->dpp_pkex_auth_cmd); | |
2230 | wpa_s->dpp_pkex_auth_cmd = NULL; | |
2231 | wpa_s->dpp_pkex_bi = NULL; | |
2232 | /* TODO: Remove dpp_pkex only if it is for the identified PKEX code */ | |
2233 | dpp_pkex_free(wpa_s->dpp_pkex); | |
2234 | wpa_s->dpp_pkex = NULL; | |
2235 | return 0; | |
2236 | } | |
2237 | ||
2238 | ||
c1d37739 JM |
2239 | void wpas_dpp_stop(struct wpa_supplicant *wpa_s) |
2240 | { | |
2241 | dpp_auth_deinit(wpa_s->dpp_auth); | |
2242 | wpa_s->dpp_auth = NULL; | |
ed62d401 JM |
2243 | dpp_pkex_free(wpa_s->dpp_pkex); |
2244 | wpa_s->dpp_pkex = NULL; | |
1866dfb5 JM |
2245 | if (wpa_s->dpp_gas_client && wpa_s->dpp_gas_dialog_token >= 0) |
2246 | gas_query_stop(wpa_s->gas, wpa_s->dpp_gas_dialog_token); | |
c1d37739 JM |
2247 | } |
2248 | ||
2249 | ||
be27e185 JM |
2250 | int wpas_dpp_init(struct wpa_supplicant *wpa_s) |
2251 | { | |
2ed2b52f | 2252 | struct dpp_global_config config; |
461d39af JM |
2253 | u8 adv_proto_id[7]; |
2254 | ||
2255 | adv_proto_id[0] = WLAN_EID_VENDOR_SPECIFIC; | |
2256 | adv_proto_id[1] = 5; | |
2257 | WPA_PUT_BE24(&adv_proto_id[2], OUI_WFA); | |
2258 | adv_proto_id[5] = DPP_OUI_TYPE; | |
2259 | adv_proto_id[6] = 0x01; | |
2260 | ||
2261 | if (gas_server_register(wpa_s->gas_server, adv_proto_id, | |
2262 | sizeof(adv_proto_id), wpas_dpp_gas_req_handler, | |
2263 | wpas_dpp_gas_status_handler, wpa_s) < 0) | |
2264 | return -1; | |
2ed2b52f JM |
2265 | |
2266 | os_memset(&config, 0, sizeof(config)); | |
2267 | config.msg_ctx = wpa_s; | |
2a5a0680 JM |
2268 | config.cb_ctx = wpa_s; |
2269 | #ifdef CONFIG_DPP2 | |
2270 | config.process_conf_obj = wpas_dpp_process_conf_obj; | |
2271 | #endif /* CONFIG_DPP2 */ | |
2ed2b52f | 2272 | wpa_s->dpp = dpp_global_init(&config); |
87d8435c | 2273 | return wpa_s->dpp ? 0 : -1; |
be27e185 JM |
2274 | } |
2275 | ||
2276 | ||
2277 | void wpas_dpp_deinit(struct wpa_supplicant *wpa_s) | |
2278 | { | |
461d39af JM |
2279 | #ifdef CONFIG_TESTING_OPTIONS |
2280 | os_free(wpa_s->dpp_config_obj_override); | |
2281 | wpa_s->dpp_config_obj_override = NULL; | |
2282 | os_free(wpa_s->dpp_discovery_override); | |
2283 | wpa_s->dpp_discovery_override = NULL; | |
2284 | os_free(wpa_s->dpp_groups_override); | |
2285 | wpa_s->dpp_groups_override = NULL; | |
461d39af JM |
2286 | wpa_s->dpp_ignore_netaccesskey_mismatch = 0; |
2287 | #endif /* CONFIG_TESTING_OPTIONS */ | |
87d8435c | 2288 | if (!wpa_s->dpp) |
be27e185 | 2289 | return; |
87d8435c | 2290 | dpp_global_clear(wpa_s->dpp); |
00d2d13d | 2291 | eloop_cancel_timeout(wpas_dpp_pkex_retry_timeout, wpa_s, NULL); |
30d27b04 | 2292 | eloop_cancel_timeout(wpas_dpp_reply_wait_timeout, wpa_s, NULL); |
f97ace34 | 2293 | eloop_cancel_timeout(wpas_dpp_init_timeout, wpa_s, NULL); |
95b0104a | 2294 | eloop_cancel_timeout(wpas_dpp_auth_resp_retry_timeout, wpa_s, NULL); |
22f90b32 JM |
2295 | #ifdef CONFIG_DPP2 |
2296 | eloop_cancel_timeout(wpas_dpp_config_result_wait_timeout, wpa_s, NULL); | |
10ec6a5f JM |
2297 | dpp_pfs_free(wpa_s->dpp_pfs); |
2298 | wpa_s->dpp_pfs = NULL; | |
22f90b32 | 2299 | #endif /* CONFIG_DPP2 */ |
30d27b04 JM |
2300 | offchannel_send_action_done(wpa_s); |
2301 | wpas_dpp_listen_stop(wpa_s); | |
fa5c9074 | 2302 | wpas_dpp_stop(wpa_s); |
500ed7f0 | 2303 | wpas_dpp_pkex_remove(wpa_s, "*"); |
a0d5c56f | 2304 | os_memset(wpa_s->dpp_intro_bssid, 0, ETH_ALEN); |
b65b22d6 JM |
2305 | os_free(wpa_s->dpp_configurator_params); |
2306 | wpa_s->dpp_configurator_params = NULL; | |
be27e185 | 2307 | } |
c02dd10d JM |
2308 | |
2309 | ||
2310 | #ifdef CONFIG_DPP2 | |
2311 | int wpas_dpp_controller_start(struct wpa_supplicant *wpa_s, const char *cmd) | |
2312 | { | |
2313 | struct dpp_controller_config config; | |
2314 | const char *pos; | |
2315 | ||
2316 | os_memset(&config, 0, sizeof(config)); | |
2317 | if (cmd) { | |
2318 | pos = os_strstr(cmd, " tcp_port="); | |
2319 | if (pos) { | |
2320 | pos += 10; | |
2321 | config.tcp_port = atoi(pos); | |
2322 | } | |
2323 | } | |
2324 | config.configurator_params = wpa_s->dpp_configurator_params; | |
2325 | return dpp_controller_start(wpa_s->dpp, &config); | |
2326 | } | |
2327 | #endif /* CONFIG_DPP2 */ |