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Commit | Line | Data |
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fa201b69 JM |
1 | /* |
2 | * wpa_supplicant / WPS integration | |
95fb2db2 | 3 | * Copyright (c) 2008-2014, Jouni Malinen <j@w1.fi> |
fa201b69 | 4 | * |
0f3d578e JM |
5 | * This software may be distributed under the terms of the BSD license. |
6 | * See README for more details. | |
fa201b69 JM |
7 | */ |
8 | ||
9 | #include "includes.h" | |
10 | ||
11 | #include "common.h" | |
03da66bd JM |
12 | #include "eloop.h" |
13 | #include "uuid.h" | |
3f2c8ba6 | 14 | #include "crypto/random.h" |
03da66bd | 15 | #include "crypto/dh_group5.h" |
90973fb2 JM |
16 | #include "common/ieee802_11_defs.h" |
17 | #include "common/ieee802_11_common.h" | |
18 | #include "common/wpa_common.h" | |
03da66bd JM |
19 | #include "common/wpa_ctrl.h" |
20 | #include "eap_common/eap_wsc_common.h" | |
b01c18a8 | 21 | #include "eap_peer/eap.h" |
20a0b03d | 22 | #include "eapol_supp/eapol_supp_sm.h" |
03da66bd | 23 | #include "rsn_supp/wpa.h" |
d7645d23 | 24 | #include "wps/wps_attr_parse.h" |
03da66bd | 25 | #include "config.h" |
fa201b69 | 26 | #include "wpa_supplicant_i.h" |
2d5b792d | 27 | #include "driver_i.h" |
8bac466b | 28 | #include "notify.h" |
a6099152 | 29 | #include "blacklist.h" |
59f2caa9 | 30 | #include "bss.h" |
9ba9fa07 | 31 | #include "scan.h" |
2f9929ff | 32 | #include "ap.h" |
e9a7ae41 | 33 | #include "p2p/p2p.h" |
b22128ef | 34 | #include "p2p_supplicant.h" |
fa201b69 JM |
35 | #include "wps_supplicant.h" |
36 | ||
f7e54365 | 37 | |
31fcea93 | 38 | #ifndef WPS_PIN_SCAN_IGNORE_SEL_REG |
a6099152 | 39 | #define WPS_PIN_SCAN_IGNORE_SEL_REG 3 |
31fcea93 | 40 | #endif /* WPS_PIN_SCAN_IGNORE_SEL_REG */ |
fa201b69 | 41 | |
e7d20342 HW |
42 | /* |
43 | * The minimum time in seconds before trying to associate to a WPS PIN AP that | |
44 | * does not have Selected Registrar TRUE. | |
45 | */ | |
46 | #ifndef WPS_PIN_TIME_IGNORE_SEL_REG | |
47 | #define WPS_PIN_TIME_IGNORE_SEL_REG 5 | |
48 | #endif /* WPS_PIN_TIME_IGNORE_SEL_REG */ | |
49 | ||
fcc60db4 | 50 | static void wpas_wps_timeout(void *eloop_ctx, void *timeout_ctx); |
469fc3a4 | 51 | static void wpas_clear_wps(struct wpa_supplicant *wpa_s); |
fcc60db4 JM |
52 | |
53 | ||
f9f0526b JM |
54 | static void wpas_wps_clear_ap_info(struct wpa_supplicant *wpa_s) |
55 | { | |
56 | os_free(wpa_s->wps_ap); | |
57 | wpa_s->wps_ap = NULL; | |
58 | wpa_s->num_wps_ap = 0; | |
59 | wpa_s->wps_ap_iter = 0; | |
60 | } | |
61 | ||
62 | ||
150fd0b2 JM |
63 | static void wpas_wps_assoc_with_cred(void *eloop_ctx, void *timeout_ctx) |
64 | { | |
65 | struct wpa_supplicant *wpa_s = eloop_ctx; | |
66 | int use_fast_assoc = timeout_ctx != NULL; | |
67 | ||
68 | wpa_printf(MSG_DEBUG, "WPS: Continuing association after eapol_cb"); | |
69 | if (!use_fast_assoc || | |
70 | wpa_supplicant_fast_associate(wpa_s) != 1) | |
71 | wpa_supplicant_req_scan(wpa_s, 0, 0); | |
72 | } | |
73 | ||
74 | ||
75 | static void wpas_wps_assoc_with_cred_cancel(struct wpa_supplicant *wpa_s) | |
76 | { | |
77 | eloop_cancel_timeout(wpas_wps_assoc_with_cred, wpa_s, (void *) 0); | |
78 | eloop_cancel_timeout(wpas_wps_assoc_with_cred, wpa_s, (void *) 1); | |
79 | } | |
80 | ||
81 | ||
fa201b69 JM |
82 | int wpas_wps_eapol_cb(struct wpa_supplicant *wpa_s) |
83 | { | |
95fb2db2 JM |
84 | if (wpas_p2p_wps_eapol_cb(wpa_s) > 0) |
85 | return 1; | |
95fb2db2 | 86 | |
a6099152 JM |
87 | if (!wpa_s->wps_success && |
88 | wpa_s->current_ssid && | |
89 | eap_is_wps_pin_enrollee(&wpa_s->current_ssid->eap)) { | |
90 | const u8 *bssid = wpa_s->bssid; | |
91 | if (is_zero_ether_addr(bssid)) | |
92 | bssid = wpa_s->pending_bssid; | |
93 | ||
94 | wpa_printf(MSG_DEBUG, "WPS: PIN registration with " MACSTR | |
95 | " did not succeed - continue trying to find " | |
96 | "suitable AP", MAC2STR(bssid)); | |
97 | wpa_blacklist_add(wpa_s, bssid); | |
98 | ||
99 | wpa_supplicant_deauthenticate(wpa_s, | |
100 | WLAN_REASON_DEAUTH_LEAVING); | |
101 | wpa_s->reassociate = 1; | |
102 | wpa_supplicant_req_scan(wpa_s, | |
103 | wpa_s->blacklist_cleared ? 5 : 0, 0); | |
104 | wpa_s->blacklist_cleared = 0; | |
105 | return 1; | |
106 | } | |
107 | ||
f9f0526b | 108 | wpas_wps_clear_ap_info(wpa_s); |
fcc60db4 | 109 | eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL); |
449adbac CWY |
110 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS && !wpa_s->wps_success) |
111 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_FAIL); | |
fcc60db4 | 112 | |
fa201b69 JM |
113 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS && wpa_s->current_ssid && |
114 | !(wpa_s->current_ssid->key_mgmt & WPA_KEY_MGMT_WPS)) { | |
f981eabc | 115 | int disabled = wpa_s->current_ssid->disabled; |
a565c23b | 116 | unsigned int freq = wpa_s->assoc_freq; |
97236cee MH |
117 | struct wpa_bss *bss; |
118 | struct wpa_ssid *ssid = NULL; | |
119 | int use_fast_assoc = 0; | |
120 | ||
fa201b69 | 121 | wpa_printf(MSG_DEBUG, "WPS: Network configuration replaced - " |
a565c23b JM |
122 | "try to associate with the received credential " |
123 | "(freq=%u)", freq); | |
c2805909 | 124 | wpa_s->own_disconnect_req = 1; |
fa201b69 JM |
125 | wpa_supplicant_deauthenticate(wpa_s, |
126 | WLAN_REASON_DEAUTH_LEAVING); | |
f981eabc JM |
127 | if (disabled) { |
128 | wpa_printf(MSG_DEBUG, "WPS: Current network is " | |
129 | "disabled - wait for user to enable"); | |
130 | return 1; | |
131 | } | |
17a4734d | 132 | wpa_s->after_wps = 5; |
a565c23b | 133 | wpa_s->wps_freq = freq; |
0b7a25c0 | 134 | wpa_s->normal_scans = 0; |
fa201b69 | 135 | wpa_s->reassociate = 1; |
97236cee MH |
136 | |
137 | wpa_printf(MSG_DEBUG, "WPS: Checking whether fast association " | |
138 | "without a new scan can be used"); | |
139 | bss = wpa_supplicant_pick_network(wpa_s, &ssid); | |
140 | if (bss) { | |
141 | struct wpabuf *wps; | |
142 | struct wps_parse_attr attr; | |
143 | ||
144 | wps = wpa_bss_get_vendor_ie_multi(bss, | |
145 | WPS_IE_VENDOR_TYPE); | |
146 | if (wps && wps_parse_msg(wps, &attr) == 0 && | |
147 | attr.wps_state && | |
148 | *attr.wps_state == WPS_STATE_CONFIGURED) | |
149 | use_fast_assoc = 1; | |
150 | wpabuf_free(wps); | |
151 | } | |
152 | ||
150fd0b2 JM |
153 | /* |
154 | * Complete the next step from an eloop timeout to allow pending | |
155 | * driver events related to the disconnection to be processed | |
156 | * first. This makes it less likely for disconnection event to | |
157 | * cause problems with the following connection. | |
158 | */ | |
159 | wpa_printf(MSG_DEBUG, "WPS: Continue association from timeout"); | |
160 | wpas_wps_assoc_with_cred_cancel(wpa_s); | |
161 | eloop_register_timeout(0, 10000, | |
162 | wpas_wps_assoc_with_cred, wpa_s, | |
163 | use_fast_assoc ? (void *) 1 : | |
164 | (void *) 0); | |
fa201b69 JM |
165 | return 1; |
166 | } | |
167 | ||
47662164 JM |
168 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS && wpa_s->current_ssid) { |
169 | wpa_printf(MSG_DEBUG, "WPS: Registration completed - waiting " | |
170 | "for external credential processing"); | |
171 | wpas_clear_wps(wpa_s); | |
c2805909 | 172 | wpa_s->own_disconnect_req = 1; |
47662164 JM |
173 | wpa_supplicant_deauthenticate(wpa_s, |
174 | WLAN_REASON_DEAUTH_LEAVING); | |
175 | return 1; | |
176 | } | |
177 | ||
fa201b69 JM |
178 | return 0; |
179 | } | |
180 | ||
181 | ||
7cc1b6c9 JM |
182 | static void wpas_wps_security_workaround(struct wpa_supplicant *wpa_s, |
183 | struct wpa_ssid *ssid, | |
184 | const struct wps_credential *cred) | |
185 | { | |
186 | struct wpa_driver_capa capa; | |
59f2caa9 | 187 | struct wpa_bss *bss; |
7cc1b6c9 JM |
188 | const u8 *ie; |
189 | struct wpa_ie_data adv; | |
190 | int wpa2 = 0, ccmp = 0; | |
191 | ||
192 | /* | |
193 | * Many existing WPS APs do not know how to negotiate WPA2 or CCMP in | |
194 | * case they are configured for mixed mode operation (WPA+WPA2 and | |
195 | * TKIP+CCMP). Try to use scan results to figure out whether the AP | |
196 | * actually supports stronger security and select that if the client | |
197 | * has support for it, too. | |
198 | */ | |
199 | ||
200 | if (wpa_drv_get_capa(wpa_s, &capa)) | |
201 | return; /* Unknown what driver supports */ | |
202 | ||
d87e90b6 JM |
203 | if (ssid->ssid == NULL) |
204 | return; | |
59f2caa9 | 205 | bss = wpa_bss_get(wpa_s, cred->mac_addr, ssid->ssid, ssid->ssid_len); |
5f481b6f JM |
206 | if (!bss) |
207 | bss = wpa_bss_get(wpa_s, wpa_s->bssid, | |
208 | ssid->ssid, ssid->ssid_len); | |
59f2caa9 JM |
209 | if (bss == NULL) { |
210 | wpa_printf(MSG_DEBUG, "WPS: The AP was not found from BSS " | |
211 | "table - use credential as-is"); | |
7cc1b6c9 JM |
212 | return; |
213 | } | |
214 | ||
59f2caa9 JM |
215 | wpa_printf(MSG_DEBUG, "WPS: AP found from BSS table"); |
216 | ||
217 | ie = wpa_bss_get_ie(bss, WLAN_EID_RSN); | |
7cc1b6c9 JM |
218 | if (ie && wpa_parse_wpa_ie(ie, 2 + ie[1], &adv) == 0) { |
219 | wpa2 = 1; | |
220 | if (adv.pairwise_cipher & WPA_CIPHER_CCMP) | |
221 | ccmp = 1; | |
222 | } else { | |
59f2caa9 | 223 | ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE); |
7cc1b6c9 JM |
224 | if (ie && wpa_parse_wpa_ie(ie, 2 + ie[1], &adv) == 0 && |
225 | adv.pairwise_cipher & WPA_CIPHER_CCMP) | |
226 | ccmp = 1; | |
227 | } | |
228 | ||
229 | if (ie == NULL && (ssid->proto & WPA_PROTO_WPA) && | |
230 | (ssid->pairwise_cipher & WPA_CIPHER_TKIP)) { | |
231 | /* | |
232 | * TODO: This could be the initial AP configuration and the | |
233 | * Beacon contents could change shortly. Should request a new | |
234 | * scan and delay addition of the network until the updated | |
235 | * scan results are available. | |
236 | */ | |
237 | wpa_printf(MSG_DEBUG, "WPS: The AP did not yet advertise WPA " | |
238 | "support - use credential as-is"); | |
239 | return; | |
240 | } | |
241 | ||
242 | if (ccmp && !(ssid->pairwise_cipher & WPA_CIPHER_CCMP) && | |
243 | (ssid->pairwise_cipher & WPA_CIPHER_TKIP) && | |
244 | (capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) { | |
245 | wpa_printf(MSG_DEBUG, "WPS: Add CCMP into the credential " | |
246 | "based on scan results"); | |
247 | if (wpa_s->conf->ap_scan == 1) | |
248 | ssid->pairwise_cipher |= WPA_CIPHER_CCMP; | |
249 | else | |
250 | ssid->pairwise_cipher = WPA_CIPHER_CCMP; | |
251 | } | |
252 | ||
253 | if (wpa2 && !(ssid->proto & WPA_PROTO_RSN) && | |
254 | (ssid->proto & WPA_PROTO_WPA) && | |
255 | (capa.enc & WPA_DRIVER_CAPA_ENC_CCMP)) { | |
256 | wpa_printf(MSG_DEBUG, "WPS: Add WPA2 into the credential " | |
257 | "based on scan results"); | |
258 | if (wpa_s->conf->ap_scan == 1) | |
259 | ssid->proto |= WPA_PROTO_RSN; | |
260 | else | |
261 | ssid->proto = WPA_PROTO_RSN; | |
262 | } | |
263 | } | |
264 | ||
265 | ||
741ed9fc VK |
266 | static void wpas_wps_remove_dup_network(struct wpa_supplicant *wpa_s, |
267 | struct wpa_ssid *new_ssid) | |
268 | { | |
269 | struct wpa_ssid *ssid, *next; | |
270 | ||
271 | for (ssid = wpa_s->conf->ssid, next = ssid ? ssid->next : NULL; ssid; | |
272 | ssid = next, next = ssid ? ssid->next : NULL) { | |
273 | /* | |
274 | * new_ssid has already been added to the list in | |
275 | * wpas_wps_add_network(), so skip it. | |
276 | */ | |
277 | if (ssid == new_ssid) | |
278 | continue; | |
279 | ||
280 | if (ssid->bssid_set || new_ssid->bssid_set) { | |
281 | if (ssid->bssid_set != new_ssid->bssid_set) | |
282 | continue; | |
283 | if (os_memcmp(ssid->bssid, new_ssid->bssid, ETH_ALEN) != | |
284 | 0) | |
285 | continue; | |
286 | } | |
287 | ||
288 | /* compare SSID */ | |
289 | if (ssid->ssid_len == 0 || ssid->ssid_len != new_ssid->ssid_len) | |
290 | continue; | |
291 | ||
292 | if (ssid->ssid && new_ssid->ssid) { | |
293 | if (os_memcmp(ssid->ssid, new_ssid->ssid, | |
294 | ssid->ssid_len) != 0) | |
295 | continue; | |
296 | } else if (ssid->ssid || new_ssid->ssid) | |
297 | continue; | |
298 | ||
299 | /* compare security parameters */ | |
300 | if (ssid->auth_alg != new_ssid->auth_alg || | |
301 | ssid->key_mgmt != new_ssid->key_mgmt || | |
d77419d2 AM |
302 | (ssid->group_cipher != new_ssid->group_cipher && |
303 | !(ssid->group_cipher & new_ssid->group_cipher & | |
304 | WPA_CIPHER_CCMP))) | |
741ed9fc VK |
305 | continue; |
306 | ||
e5a4b85b HW |
307 | /* |
308 | * Some existing WPS APs will send two creds in case they are | |
309 | * configured for mixed mode operation (WPA+WPA2 and TKIP+CCMP). | |
310 | * Try to merge these two creds if they are received in the same | |
311 | * M8 message. | |
312 | */ | |
313 | if (ssid->wps_run && ssid->wps_run == new_ssid->wps_run && | |
314 | wpa_key_mgmt_wpa_psk(ssid->key_mgmt)) { | |
315 | if (new_ssid->passphrase && ssid->passphrase && | |
316 | os_strcmp(new_ssid->passphrase, ssid->passphrase) != | |
317 | 0) { | |
318 | wpa_printf(MSG_DEBUG, | |
319 | "WPS: M8 Creds with different passphrase - do not merge"); | |
320 | continue; | |
321 | } | |
322 | ||
323 | if (new_ssid->psk_set && | |
324 | (!ssid->psk_set || | |
325 | os_memcmp(new_ssid->psk, ssid->psk, 32) != 0)) { | |
326 | wpa_printf(MSG_DEBUG, | |
327 | "WPS: M8 Creds with different PSK - do not merge"); | |
328 | continue; | |
329 | } | |
330 | ||
331 | if ((new_ssid->passphrase && !ssid->passphrase) || | |
332 | (!new_ssid->passphrase && ssid->passphrase)) { | |
333 | wpa_printf(MSG_DEBUG, | |
334 | "WPS: M8 Creds with different passphrase/PSK type - do not merge"); | |
335 | continue; | |
336 | } | |
337 | ||
338 | wpa_printf(MSG_DEBUG, | |
339 | "WPS: Workaround - merge likely WPA/WPA2-mixed mode creds in same M8 message"); | |
340 | new_ssid->proto |= ssid->proto; | |
341 | new_ssid->pairwise_cipher |= ssid->pairwise_cipher; | |
342 | } else { | |
343 | /* | |
344 | * proto and pairwise_cipher difference matter for | |
345 | * non-mixed-mode creds. | |
346 | */ | |
347 | if (ssid->proto != new_ssid->proto || | |
348 | ssid->pairwise_cipher != new_ssid->pairwise_cipher) | |
349 | continue; | |
350 | } | |
351 | ||
741ed9fc VK |
352 | /* Remove the duplicated older network entry. */ |
353 | wpa_printf(MSG_DEBUG, "Remove duplicate network %d", ssid->id); | |
354 | wpas_notify_network_removed(wpa_s, ssid); | |
4f9a5ea5 JM |
355 | if (wpa_s->current_ssid == ssid) |
356 | wpa_s->current_ssid = NULL; | |
741ed9fc VK |
357 | wpa_config_remove_network(wpa_s->conf, ssid->id); |
358 | } | |
359 | } | |
360 | ||
361 | ||
bcbbc7af JM |
362 | static int wpa_supplicant_wps_cred(void *ctx, |
363 | const struct wps_credential *cred) | |
fa201b69 JM |
364 | { |
365 | struct wpa_supplicant *wpa_s = ctx; | |
366 | struct wpa_ssid *ssid = wpa_s->current_ssid; | |
49eba5f8 | 367 | u16 auth_type; |
2c4f80d5 | 368 | #ifdef CONFIG_WPS_REG_DISABLE_OPEN |
f981eabc | 369 | int registrar = 0; |
2c4f80d5 | 370 | #endif /* CONFIG_WPS_REG_DISABLE_OPEN */ |
fa201b69 | 371 | |
47662164 JM |
372 | if ((wpa_s->conf->wps_cred_processing == 1 || |
373 | wpa_s->conf->wps_cred_processing == 2) && cred->cred_attr) { | |
374 | size_t blen = cred->cred_attr_len * 2 + 1; | |
375 | char *buf = os_malloc(blen); | |
376 | if (buf) { | |
377 | wpa_snprintf_hex(buf, blen, | |
378 | cred->cred_attr, cred->cred_attr_len); | |
379 | wpa_msg(wpa_s, MSG_INFO, "%s%s", | |
380 | WPS_EVENT_CRED_RECEIVED, buf); | |
381 | os_free(buf); | |
382 | } | |
8bac466b JM |
383 | |
384 | wpas_notify_wps_credential(wpa_s, cred); | |
47662164 JM |
385 | } else |
386 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_CRED_RECEIVED); | |
fa201b69 | 387 | |
eca6e0a9 JM |
388 | wpa_hexdump_key(MSG_DEBUG, "WPS: Received Credential attribute", |
389 | cred->cred_attr, cred->cred_attr_len); | |
390 | ||
47662164 JM |
391 | if (wpa_s->conf->wps_cred_processing == 1) |
392 | return 0; | |
393 | ||
73267b9c JM |
394 | wpa_hexdump_ascii(MSG_DEBUG, "WPS: SSID", cred->ssid, cred->ssid_len); |
395 | wpa_printf(MSG_DEBUG, "WPS: Authentication Type 0x%x", | |
396 | cred->auth_type); | |
397 | wpa_printf(MSG_DEBUG, "WPS: Encryption Type 0x%x", cred->encr_type); | |
398 | wpa_printf(MSG_DEBUG, "WPS: Network Key Index %d", cred->key_idx); | |
399 | wpa_hexdump_key(MSG_DEBUG, "WPS: Network Key", | |
400 | cred->key, cred->key_len); | |
401 | wpa_printf(MSG_DEBUG, "WPS: MAC Address " MACSTR, | |
402 | MAC2STR(cred->mac_addr)); | |
403 | ||
49eba5f8 JM |
404 | auth_type = cred->auth_type; |
405 | if (auth_type == (WPS_AUTH_WPAPSK | WPS_AUTH_WPA2PSK)) { | |
406 | wpa_printf(MSG_DEBUG, "WPS: Workaround - convert mixed-mode " | |
407 | "auth_type into WPA2PSK"); | |
408 | auth_type = WPS_AUTH_WPA2PSK; | |
409 | } | |
410 | ||
411 | if (auth_type != WPS_AUTH_OPEN && | |
49eba5f8 JM |
412 | auth_type != WPS_AUTH_WPAPSK && |
413 | auth_type != WPS_AUTH_WPA2PSK) { | |
f286077d | 414 | wpa_printf(MSG_DEBUG, "WPS: Ignored credentials for " |
49eba5f8 JM |
415 | "unsupported authentication type 0x%x", |
416 | auth_type); | |
f286077d JM |
417 | return 0; |
418 | } | |
419 | ||
b363121a JM |
420 | if (auth_type == WPS_AUTH_WPAPSK || auth_type == WPS_AUTH_WPA2PSK) { |
421 | if (cred->key_len < 8 || cred->key_len > 2 * PMK_LEN) { | |
422 | wpa_printf(MSG_ERROR, "WPS: Reject PSK credential with " | |
423 | "invalid Network Key length %lu", | |
424 | (unsigned long) cred->key_len); | |
425 | return -1; | |
426 | } | |
427 | } | |
428 | ||
fa201b69 JM |
429 | if (ssid && (ssid->key_mgmt & WPA_KEY_MGMT_WPS)) { |
430 | wpa_printf(MSG_DEBUG, "WPS: Replace WPS network block based " | |
431 | "on the received credential"); | |
2c4f80d5 | 432 | #ifdef CONFIG_WPS_REG_DISABLE_OPEN |
f981eabc JM |
433 | if (ssid->eap.identity && |
434 | ssid->eap.identity_len == WSC_ID_REGISTRAR_LEN && | |
435 | os_memcmp(ssid->eap.identity, WSC_ID_REGISTRAR, | |
436 | WSC_ID_REGISTRAR_LEN) == 0) | |
437 | registrar = 1; | |
2c4f80d5 | 438 | #endif /* CONFIG_WPS_REG_DISABLE_OPEN */ |
fa201b69 JM |
439 | os_free(ssid->eap.identity); |
440 | ssid->eap.identity = NULL; | |
441 | ssid->eap.identity_len = 0; | |
442 | os_free(ssid->eap.phase1); | |
443 | ssid->eap.phase1 = NULL; | |
444 | os_free(ssid->eap.eap_methods); | |
445 | ssid->eap.eap_methods = NULL; | |
cae2119c | 446 | if (!ssid->p2p_group) { |
2ff99b3c | 447 | ssid->temporary = 0; |
cae2119c JM |
448 | ssid->bssid_set = 0; |
449 | } | |
00e5e3d5 JM |
450 | ssid->disabled_until.sec = 0; |
451 | ssid->disabled_until.usec = 0; | |
452 | ssid->auth_failures = 0; | |
fa201b69 JM |
453 | } else { |
454 | wpa_printf(MSG_DEBUG, "WPS: Create a new network based on the " | |
455 | "received credential"); | |
456 | ssid = wpa_config_add_network(wpa_s->conf); | |
457 | if (ssid == NULL) | |
458 | return -1; | |
ded4f944 JM |
459 | if (wpa_s->current_ssid) { |
460 | /* | |
461 | * Should the GO issue multiple credentials for some | |
462 | * reason, each credential should be marked as a | |
463 | * temporary P2P group similarly to the one that gets | |
464 | * marked as such based on the pre-configured values | |
465 | * used for the WPS network block. | |
466 | */ | |
467 | ssid->p2p_group = wpa_s->current_ssid->p2p_group; | |
468 | ssid->temporary = wpa_s->current_ssid->temporary; | |
469 | } | |
8bac466b | 470 | wpas_notify_network_added(wpa_s, ssid); |
fa201b69 JM |
471 | } |
472 | ||
473 | wpa_config_set_network_defaults(ssid); | |
e5a4b85b | 474 | ssid->wps_run = wpa_s->wps_run; |
fa201b69 JM |
475 | |
476 | os_free(ssid->ssid); | |
477 | ssid->ssid = os_malloc(cred->ssid_len); | |
478 | if (ssid->ssid) { | |
479 | os_memcpy(ssid->ssid, cred->ssid, cred->ssid_len); | |
480 | ssid->ssid_len = cred->ssid_len; | |
481 | } | |
482 | ||
483 | switch (cred->encr_type) { | |
484 | case WPS_ENCR_NONE: | |
fa201b69 | 485 | break; |
fa201b69 JM |
486 | case WPS_ENCR_TKIP: |
487 | ssid->pairwise_cipher = WPA_CIPHER_TKIP; | |
fa201b69 JM |
488 | break; |
489 | case WPS_ENCR_AES: | |
490 | ssid->pairwise_cipher = WPA_CIPHER_CCMP; | |
d77419d2 AM |
491 | if (wpa_s->drv_capa_known && |
492 | (wpa_s->drv_enc & WPA_DRIVER_CAPA_ENC_GCMP)) { | |
493 | ssid->pairwise_cipher |= WPA_CIPHER_GCMP; | |
494 | ssid->group_cipher |= WPA_CIPHER_GCMP; | |
495 | } | |
afd3cf14 JM |
496 | if (wpa_s->drv_capa_known && |
497 | (wpa_s->drv_enc & WPA_DRIVER_CAPA_ENC_GCMP_256)) { | |
498 | ssid->pairwise_cipher |= WPA_CIPHER_GCMP_256; | |
499 | ssid->group_cipher |= WPA_CIPHER_GCMP_256; | |
500 | } | |
501 | if (wpa_s->drv_capa_known && | |
502 | (wpa_s->drv_enc & WPA_DRIVER_CAPA_ENC_CCMP_256)) { | |
503 | ssid->pairwise_cipher |= WPA_CIPHER_CCMP_256; | |
504 | ssid->group_cipher |= WPA_CIPHER_CCMP_256; | |
505 | } | |
fa201b69 JM |
506 | break; |
507 | } | |
508 | ||
49eba5f8 | 509 | switch (auth_type) { |
fa201b69 JM |
510 | case WPS_AUTH_OPEN: |
511 | ssid->auth_alg = WPA_AUTH_ALG_OPEN; | |
512 | ssid->key_mgmt = WPA_KEY_MGMT_NONE; | |
513 | ssid->proto = 0; | |
f981eabc JM |
514 | #ifdef CONFIG_WPS_REG_DISABLE_OPEN |
515 | if (registrar) { | |
516 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_OPEN_NETWORK | |
517 | "id=%d - Credentials for an open " | |
518 | "network disabled by default - use " | |
519 | "'select_network %d' to enable", | |
520 | ssid->id, ssid->id); | |
521 | ssid->disabled = 1; | |
522 | } | |
523 | #endif /* CONFIG_WPS_REG_DISABLE_OPEN */ | |
fa201b69 | 524 | break; |
fa201b69 JM |
525 | case WPS_AUTH_WPAPSK: |
526 | ssid->auth_alg = WPA_AUTH_ALG_OPEN; | |
527 | ssid->key_mgmt = WPA_KEY_MGMT_PSK; | |
528 | ssid->proto = WPA_PROTO_WPA; | |
529 | break; | |
fa201b69 JM |
530 | case WPS_AUTH_WPA2PSK: |
531 | ssid->auth_alg = WPA_AUTH_ALG_OPEN; | |
532 | ssid->key_mgmt = WPA_KEY_MGMT_PSK; | |
339dc8bd JM |
533 | if (wpa_s->conf->wps_cred_add_sae && |
534 | cred->key_len != 2 * PMK_LEN) { | |
52efde2a | 535 | ssid->auth_alg = 0; |
339dc8bd | 536 | ssid->key_mgmt |= WPA_KEY_MGMT_SAE; |
339dc8bd | 537 | ssid->ieee80211w = MGMT_FRAME_PROTECTION_OPTIONAL; |
339dc8bd | 538 | } |
fa201b69 JM |
539 | ssid->proto = WPA_PROTO_RSN; |
540 | break; | |
541 | } | |
542 | ||
339dc8bd | 543 | if (ssid->key_mgmt & WPA_KEY_MGMT_PSK) { |
fa201b69 JM |
544 | if (cred->key_len == 2 * PMK_LEN) { |
545 | if (hexstr2bin((const char *) cred->key, ssid->psk, | |
546 | PMK_LEN)) { | |
547 | wpa_printf(MSG_ERROR, "WPS: Invalid Network " | |
548 | "Key"); | |
549 | return -1; | |
550 | } | |
551 | ssid->psk_set = 1; | |
d1c8ac88 | 552 | ssid->export_keys = 1; |
fa201b69 JM |
553 | } else if (cred->key_len >= 8 && cred->key_len < 2 * PMK_LEN) { |
554 | os_free(ssid->passphrase); | |
555 | ssid->passphrase = os_malloc(cred->key_len + 1); | |
556 | if (ssid->passphrase == NULL) | |
557 | return -1; | |
558 | os_memcpy(ssid->passphrase, cred->key, cred->key_len); | |
559 | ssid->passphrase[cred->key_len] = '\0'; | |
560 | wpa_config_update_psk(ssid); | |
d1c8ac88 | 561 | ssid->export_keys = 1; |
fa201b69 JM |
562 | } else { |
563 | wpa_printf(MSG_ERROR, "WPS: Invalid Network Key " | |
564 | "length %lu", | |
565 | (unsigned long) cred->key_len); | |
566 | return -1; | |
567 | } | |
568 | } | |
94687a0a | 569 | ssid->priority = wpa_s->conf->wps_priority; |
fa201b69 | 570 | |
7cc1b6c9 JM |
571 | wpas_wps_security_workaround(wpa_s, ssid, cred); |
572 | ||
741ed9fc VK |
573 | wpas_wps_remove_dup_network(wpa_s, ssid); |
574 | ||
fa201b69 JM |
575 | #ifndef CONFIG_NO_CONFIG_WRITE |
576 | if (wpa_s->conf->update_config && | |
577 | wpa_config_write(wpa_s->confname, wpa_s->conf)) { | |
578 | wpa_printf(MSG_DEBUG, "WPS: Failed to update configuration"); | |
579 | return -1; | |
580 | } | |
581 | #endif /* CONFIG_NO_CONFIG_WRITE */ | |
582 | ||
94687a0a SD |
583 | if (ssid->priority) |
584 | wpa_config_update_prio_list(wpa_s->conf); | |
585 | ||
6fbcbc07 SD |
586 | /* |
587 | * Optimize the post-WPS scan based on the channel used during | |
588 | * the provisioning in case EAP-Failure is not received. | |
589 | */ | |
590 | wpa_s->after_wps = 5; | |
591 | wpa_s->wps_freq = wpa_s->assoc_freq; | |
592 | ||
fa201b69 JM |
593 | return 0; |
594 | } | |
595 | ||
596 | ||
4b68290e JM |
597 | static void wpa_supplicant_wps_event_m2d(struct wpa_supplicant *wpa_s, |
598 | struct wps_event_m2d *m2d) | |
599 | { | |
600 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_M2D | |
601 | "dev_password_id=%d config_error=%d", | |
602 | m2d->dev_password_id, m2d->config_error); | |
8bac466b | 603 | wpas_notify_wps_event_m2d(wpa_s, m2d); |
b89883a4 | 604 | #ifdef CONFIG_P2P |
ba307f85 LD |
605 | if (wpa_s->p2pdev && wpa_s->p2pdev != wpa_s) { |
606 | wpa_msg(wpa_s->p2pdev, MSG_INFO, WPS_EVENT_M2D | |
b89883a4 JM |
607 | "dev_password_id=%d config_error=%d", |
608 | m2d->dev_password_id, m2d->config_error); | |
609 | } | |
610 | if (m2d->config_error == WPS_CFG_MULTIPLE_PBC_DETECTED) { | |
611 | /* | |
612 | * Notify P2P from eloop timeout to avoid issues with the | |
613 | * interface getting removed while processing a message. | |
614 | */ | |
ace0fbdb | 615 | eloop_register_timeout(0, 0, wpas_p2p_pbc_overlap_cb, wpa_s, |
b89883a4 JM |
616 | NULL); |
617 | } | |
618 | #endif /* CONFIG_P2P */ | |
4b68290e JM |
619 | } |
620 | ||
621 | ||
2e145e91 JM |
622 | static void wpas_wps_clear_timeout(void *eloop_ctx, void *timeout_ctx) |
623 | { | |
624 | struct wpa_supplicant *wpa_s = eloop_ctx; | |
625 | wpa_printf(MSG_DEBUG, "WPS: Clear WPS network from timeout"); | |
626 | wpas_clear_wps(wpa_s); | |
627 | } | |
628 | ||
629 | ||
469fc3a4 JM |
630 | static void wpa_supplicant_wps_event_fail(struct wpa_supplicant *wpa_s, |
631 | struct wps_event_fail *fail) | |
632 | { | |
c5cf0a18 CWY |
633 | if (fail->error_indication > 0 && |
634 | fail->error_indication < NUM_WPS_EI_VALUES) { | |
635 | wpa_msg(wpa_s, MSG_INFO, | |
636 | WPS_EVENT_FAIL "msg=%d config_error=%d reason=%d (%s)", | |
637 | fail->msg, fail->config_error, fail->error_indication, | |
961750c1 | 638 | wps_ei_str(fail->error_indication)); |
ba307f85 LD |
639 | if (wpa_s->p2pdev && wpa_s->p2pdev != wpa_s) |
640 | wpa_msg(wpa_s->p2pdev, MSG_INFO, WPS_EVENT_FAIL | |
c5cf0a18 CWY |
641 | "msg=%d config_error=%d reason=%d (%s)", |
642 | fail->msg, fail->config_error, | |
643 | fail->error_indication, | |
961750c1 | 644 | wps_ei_str(fail->error_indication)); |
c5cf0a18 CWY |
645 | } else { |
646 | wpa_msg(wpa_s, MSG_INFO, | |
647 | WPS_EVENT_FAIL "msg=%d config_error=%d", | |
545cc6af | 648 | fail->msg, fail->config_error); |
ba307f85 LD |
649 | if (wpa_s->p2pdev && wpa_s->p2pdev != wpa_s) |
650 | wpa_msg(wpa_s->p2pdev, MSG_INFO, WPS_EVENT_FAIL | |
c5cf0a18 CWY |
651 | "msg=%d config_error=%d", |
652 | fail->msg, fail->config_error); | |
653 | } | |
2e145e91 JM |
654 | |
655 | /* | |
656 | * Need to allow WPS processing to complete, e.g., by sending WSC_NACK. | |
657 | */ | |
658 | wpa_printf(MSG_DEBUG, "WPS: Register timeout to clear WPS network"); | |
659 | eloop_cancel_timeout(wpas_wps_clear_timeout, wpa_s, NULL); | |
660 | eloop_register_timeout(0, 100000, wpas_wps_clear_timeout, wpa_s, NULL); | |
661 | ||
8bac466b | 662 | wpas_notify_wps_event_fail(wpa_s, fail); |
3734552f | 663 | wpas_p2p_wps_failed(wpa_s, fail); |
469fc3a4 JM |
664 | } |
665 | ||
666 | ||
ec947ffc SD |
667 | static void wpas_wps_reenable_networks_cb(void *eloop_ctx, void *timeout_ctx); |
668 | ||
669 | static void wpas_wps_reenable_networks(struct wpa_supplicant *wpa_s) | |
670 | { | |
671 | struct wpa_ssid *ssid; | |
318e772a | 672 | int changed = 0; |
ec947ffc SD |
673 | |
674 | eloop_cancel_timeout(wpas_wps_reenable_networks_cb, wpa_s, NULL); | |
675 | ||
676 | for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) { | |
677 | if (ssid->disabled_for_connect && ssid->disabled) { | |
678 | ssid->disabled_for_connect = 0; | |
679 | ssid->disabled = 0; | |
680 | wpas_notify_network_enabled_changed(wpa_s, ssid); | |
318e772a | 681 | changed++; |
ec947ffc SD |
682 | } |
683 | } | |
318e772a JM |
684 | |
685 | if (changed) { | |
686 | #ifndef CONFIG_NO_CONFIG_WRITE | |
687 | if (wpa_s->conf->update_config && | |
688 | wpa_config_write(wpa_s->confname, wpa_s->conf)) { | |
689 | wpa_printf(MSG_DEBUG, "WPS: Failed to update " | |
690 | "configuration"); | |
691 | } | |
692 | #endif /* CONFIG_NO_CONFIG_WRITE */ | |
693 | } | |
ec947ffc SD |
694 | } |
695 | ||
696 | ||
697 | static void wpas_wps_reenable_networks_cb(void *eloop_ctx, void *timeout_ctx) | |
698 | { | |
699 | struct wpa_supplicant *wpa_s = eloop_ctx; | |
700 | /* Enable the networks disabled during wpas_wps_reassoc */ | |
701 | wpas_wps_reenable_networks(wpa_s); | |
702 | } | |
703 | ||
704 | ||
5e238cc6 SD |
705 | int wpas_wps_reenable_networks_pending(struct wpa_supplicant *wpa_s) |
706 | { | |
707 | return eloop_is_timeout_registered(wpas_wps_reenable_networks_cb, | |
708 | wpa_s, NULL); | |
709 | } | |
710 | ||
711 | ||
ad5302a1 JM |
712 | static void wpa_supplicant_wps_event_success(struct wpa_supplicant *wpa_s) |
713 | { | |
714 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_SUCCESS); | |
a6099152 | 715 | wpa_s->wps_success = 1; |
8bac466b | 716 | wpas_notify_wps_event_success(wpa_s); |
f3e907a7 JM |
717 | if (wpa_s->current_ssid) |
718 | wpas_clear_temp_disabled(wpa_s, wpa_s->current_ssid, 1); | |
719 | wpa_s->extra_blacklist_count = 0; | |
ec947ffc SD |
720 | |
721 | /* | |
722 | * Enable the networks disabled during wpas_wps_reassoc after 10 | |
723 | * seconds. The 10 seconds timer is to allow the data connection to be | |
724 | * formed before allowing other networks to be selected. | |
725 | */ | |
726 | eloop_register_timeout(10, 0, wpas_wps_reenable_networks_cb, wpa_s, | |
727 | NULL); | |
728 | ||
b22128ef | 729 | wpas_p2p_wps_success(wpa_s, wpa_s->bssid, 0); |
ad5302a1 JM |
730 | } |
731 | ||
732 | ||
b78bc3a3 JM |
733 | static void wpa_supplicant_wps_event_er_ap_add(struct wpa_supplicant *wpa_s, |
734 | struct wps_event_er_ap *ap) | |
735 | { | |
736 | char uuid_str[100]; | |
ed45947e | 737 | char dev_type[WPS_DEV_TYPE_BUFSIZE]; |
e694b344 | 738 | |
b78bc3a3 | 739 | uuid_bin2str(ap->uuid, uuid_str, sizeof(uuid_str)); |
e694b344 | 740 | if (ap->pri_dev_type) |
ed45947e JM |
741 | wps_dev_type_bin2str(ap->pri_dev_type, dev_type, |
742 | sizeof(dev_type)); | |
e694b344 JM |
743 | else |
744 | dev_type[0] = '\0'; | |
745 | ||
746 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_AP_ADD "%s " MACSTR | |
747 | " pri_dev_type=%s wps_state=%d |%s|%s|%s|%s|%s|%s|", | |
748 | uuid_str, MAC2STR(ap->mac_addr), dev_type, ap->wps_state, | |
b78bc3a3 JM |
749 | ap->friendly_name ? ap->friendly_name : "", |
750 | ap->manufacturer ? ap->manufacturer : "", | |
751 | ap->model_description ? ap->model_description : "", | |
752 | ap->model_name ? ap->model_name : "", | |
753 | ap->manufacturer_url ? ap->manufacturer_url : "", | |
754 | ap->model_url ? ap->model_url : ""); | |
755 | } | |
756 | ||
757 | ||
758 | static void wpa_supplicant_wps_event_er_ap_remove(struct wpa_supplicant *wpa_s, | |
759 | struct wps_event_er_ap *ap) | |
760 | { | |
761 | char uuid_str[100]; | |
762 | uuid_bin2str(ap->uuid, uuid_str, sizeof(uuid_str)); | |
763 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_AP_REMOVE "%s", uuid_str); | |
764 | } | |
765 | ||
766 | ||
767 | static void wpa_supplicant_wps_event_er_enrollee_add( | |
768 | struct wpa_supplicant *wpa_s, struct wps_event_er_enrollee *enrollee) | |
769 | { | |
770 | char uuid_str[100]; | |
ed45947e | 771 | char dev_type[WPS_DEV_TYPE_BUFSIZE]; |
b78bc3a3 JM |
772 | |
773 | uuid_bin2str(enrollee->uuid, uuid_str, sizeof(uuid_str)); | |
774 | if (enrollee->pri_dev_type) | |
ed45947e JM |
775 | wps_dev_type_bin2str(enrollee->pri_dev_type, dev_type, |
776 | sizeof(dev_type)); | |
b78bc3a3 JM |
777 | else |
778 | dev_type[0] = '\0'; | |
779 | ||
780 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_ENROLLEE_ADD "%s " MACSTR | |
781 | " M1=%d config_methods=0x%x dev_passwd_id=%d pri_dev_type=%s " | |
782 | "|%s|%s|%s|%s|%s|", | |
783 | uuid_str, MAC2STR(enrollee->mac_addr), enrollee->m1_received, | |
784 | enrollee->config_methods, enrollee->dev_passwd_id, dev_type, | |
785 | enrollee->dev_name ? enrollee->dev_name : "", | |
786 | enrollee->manufacturer ? enrollee->manufacturer : "", | |
787 | enrollee->model_name ? enrollee->model_name : "", | |
788 | enrollee->model_number ? enrollee->model_number : "", | |
789 | enrollee->serial_number ? enrollee->serial_number : ""); | |
790 | } | |
791 | ||
792 | ||
793 | static void wpa_supplicant_wps_event_er_enrollee_remove( | |
794 | struct wpa_supplicant *wpa_s, struct wps_event_er_enrollee *enrollee) | |
795 | { | |
796 | char uuid_str[100]; | |
797 | uuid_bin2str(enrollee->uuid, uuid_str, sizeof(uuid_str)); | |
798 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_ENROLLEE_REMOVE "%s " MACSTR, | |
799 | uuid_str, MAC2STR(enrollee->mac_addr)); | |
800 | } | |
801 | ||
802 | ||
15dbf129 JM |
803 | static void wpa_supplicant_wps_event_er_ap_settings( |
804 | struct wpa_supplicant *wpa_s, | |
805 | struct wps_event_er_ap_settings *ap_settings) | |
806 | { | |
807 | char uuid_str[100]; | |
808 | char key_str[65]; | |
809 | const struct wps_credential *cred = ap_settings->cred; | |
810 | ||
811 | key_str[0] = '\0'; | |
812 | if (cred->auth_type & (WPS_AUTH_WPAPSK | WPS_AUTH_WPA2PSK)) { | |
813 | if (cred->key_len >= 8 && cred->key_len <= 64) { | |
814 | os_memcpy(key_str, cred->key, cred->key_len); | |
815 | key_str[cred->key_len] = '\0'; | |
816 | } | |
817 | } | |
818 | ||
819 | uuid_bin2str(ap_settings->uuid, uuid_str, sizeof(uuid_str)); | |
820 | /* Use wpa_msg_ctrl to avoid showing the key in debug log */ | |
821 | wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_ER_AP_SETTINGS | |
822 | "uuid=%s ssid=%s auth_type=0x%04x encr_type=0x%04x " | |
823 | "key=%s", | |
824 | uuid_str, wpa_ssid_txt(cred->ssid, cred->ssid_len), | |
825 | cred->auth_type, cred->encr_type, key_str); | |
826 | } | |
827 | ||
828 | ||
3e7533b3 JM |
829 | static void wpa_supplicant_wps_event_er_set_sel_reg( |
830 | struct wpa_supplicant *wpa_s, | |
831 | struct wps_event_er_set_selected_registrar *ev) | |
832 | { | |
833 | char uuid_str[100]; | |
834 | ||
835 | uuid_bin2str(ev->uuid, uuid_str, sizeof(uuid_str)); | |
836 | switch (ev->state) { | |
837 | case WPS_ER_SET_SEL_REG_START: | |
838 | wpa_msg(wpa_s, MSG_DEBUG, WPS_EVENT_ER_SET_SEL_REG | |
839 | "uuid=%s state=START sel_reg=%d dev_passwd_id=%u " | |
840 | "sel_reg_config_methods=0x%x", | |
841 | uuid_str, ev->sel_reg, ev->dev_passwd_id, | |
842 | ev->sel_reg_config_methods); | |
843 | break; | |
844 | case WPS_ER_SET_SEL_REG_DONE: | |
845 | wpa_msg(wpa_s, MSG_DEBUG, WPS_EVENT_ER_SET_SEL_REG | |
846 | "uuid=%s state=DONE", uuid_str); | |
847 | break; | |
848 | case WPS_ER_SET_SEL_REG_FAILED: | |
849 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_SET_SEL_REG | |
850 | "uuid=%s state=FAILED", uuid_str); | |
851 | break; | |
852 | } | |
853 | } | |
854 | ||
855 | ||
4b68290e JM |
856 | static void wpa_supplicant_wps_event(void *ctx, enum wps_event event, |
857 | union wps_event_data *data) | |
858 | { | |
859 | struct wpa_supplicant *wpa_s = ctx; | |
860 | switch (event) { | |
861 | case WPS_EV_M2D: | |
862 | wpa_supplicant_wps_event_m2d(wpa_s, &data->m2d); | |
863 | break; | |
469fc3a4 JM |
864 | case WPS_EV_FAIL: |
865 | wpa_supplicant_wps_event_fail(wpa_s, &data->fail); | |
866 | break; | |
ad5302a1 JM |
867 | case WPS_EV_SUCCESS: |
868 | wpa_supplicant_wps_event_success(wpa_s); | |
869 | break; | |
3b2cf800 | 870 | case WPS_EV_PWD_AUTH_FAIL: |
70d84f11 JM |
871 | #ifdef CONFIG_AP |
872 | if (wpa_s->ap_iface && data->pwd_auth_fail.enrollee) | |
873 | wpa_supplicant_ap_pwd_auth_fail(wpa_s); | |
874 | #endif /* CONFIG_AP */ | |
3b2cf800 | 875 | break; |
63330c68 OK |
876 | case WPS_EV_PBC_OVERLAP: |
877 | break; | |
878 | case WPS_EV_PBC_TIMEOUT: | |
879 | break; | |
50396e29 JM |
880 | case WPS_EV_PBC_ACTIVE: |
881 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ACTIVE); | |
882 | break; | |
883 | case WPS_EV_PBC_DISABLE: | |
884 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_DISABLE); | |
885 | break; | |
b78bc3a3 JM |
886 | case WPS_EV_ER_AP_ADD: |
887 | wpa_supplicant_wps_event_er_ap_add(wpa_s, &data->ap); | |
888 | break; | |
889 | case WPS_EV_ER_AP_REMOVE: | |
890 | wpa_supplicant_wps_event_er_ap_remove(wpa_s, &data->ap); | |
891 | break; | |
892 | case WPS_EV_ER_ENROLLEE_ADD: | |
893 | wpa_supplicant_wps_event_er_enrollee_add(wpa_s, | |
894 | &data->enrollee); | |
895 | break; | |
896 | case WPS_EV_ER_ENROLLEE_REMOVE: | |
897 | wpa_supplicant_wps_event_er_enrollee_remove(wpa_s, | |
898 | &data->enrollee); | |
899 | break; | |
15dbf129 JM |
900 | case WPS_EV_ER_AP_SETTINGS: |
901 | wpa_supplicant_wps_event_er_ap_settings(wpa_s, | |
902 | &data->ap_settings); | |
903 | break; | |
3e7533b3 JM |
904 | case WPS_EV_ER_SET_SELECTED_REGISTRAR: |
905 | wpa_supplicant_wps_event_er_set_sel_reg(wpa_s, | |
906 | &data->set_sel_reg); | |
907 | break; | |
32cdcf15 JM |
908 | case WPS_EV_AP_PIN_SUCCESS: |
909 | break; | |
4b68290e JM |
910 | } |
911 | } | |
912 | ||
913 | ||
239abaf2 DS |
914 | static int wpa_supplicant_wps_rf_band(void *ctx) |
915 | { | |
916 | struct wpa_supplicant *wpa_s = ctx; | |
917 | ||
918 | if (!wpa_s->current_ssid || !wpa_s->assoc_freq) | |
919 | return 0; | |
920 | ||
01a02593 HK |
921 | return (wpa_s->assoc_freq > 50000) ? WPS_RF_60GHZ : |
922 | (wpa_s->assoc_freq > 2484) ? WPS_RF_50GHZ : WPS_RF_24GHZ; | |
239abaf2 DS |
923 | } |
924 | ||
925 | ||
f90c86d4 | 926 | enum wps_request_type wpas_wps_get_req_type(struct wpa_ssid *ssid) |
fa201b69 | 927 | { |
b01c18a8 JM |
928 | if (eap_is_wps_pbc_enrollee(&ssid->eap) || |
929 | eap_is_wps_pin_enrollee(&ssid->eap)) | |
930 | return WPS_REQ_ENROLLEE; | |
931 | else | |
932 | return WPS_REQ_REGISTRAR; | |
fa201b69 | 933 | } |
116654ce JM |
934 | |
935 | ||
fcc60db4 JM |
936 | static void wpas_clear_wps(struct wpa_supplicant *wpa_s) |
937 | { | |
938 | int id; | |
20a0b03d JM |
939 | struct wpa_ssid *ssid, *remove_ssid = NULL, *prev_current; |
940 | ||
7255983b | 941 | wpa_s->after_wps = 0; |
4d9fb08d | 942 | wpa_s->known_wps_freq = 0; |
7255983b | 943 | |
20a0b03d | 944 | prev_current = wpa_s->current_ssid; |
fcc60db4 | 945 | |
ec947ffc SD |
946 | /* Enable the networks disabled during wpas_wps_reassoc */ |
947 | wpas_wps_reenable_networks(wpa_s); | |
948 | ||
fcc60db4 | 949 | eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL); |
5890fa81 | 950 | eloop_cancel_timeout(wpas_wps_clear_timeout, wpa_s, NULL); |
fcc60db4 JM |
951 | |
952 | /* Remove any existing WPS network from configuration */ | |
953 | ssid = wpa_s->conf->ssid; | |
954 | while (ssid) { | |
f0477201 | 955 | if (ssid->key_mgmt & WPA_KEY_MGMT_WPS) { |
8bac466b | 956 | if (ssid == wpa_s->current_ssid) { |
c2805909 | 957 | wpa_s->own_disconnect_req = 1; |
c7a67a77 JZ |
958 | wpa_supplicant_deauthenticate( |
959 | wpa_s, WLAN_REASON_DEAUTH_LEAVING); | |
8bac466b | 960 | } |
fcc60db4 | 961 | id = ssid->id; |
8bac466b | 962 | remove_ssid = ssid; |
f0477201 | 963 | } else |
fcc60db4 JM |
964 | id = -1; |
965 | ssid = ssid->next; | |
8bac466b | 966 | if (id >= 0) { |
20a0b03d JM |
967 | if (prev_current == remove_ssid) { |
968 | wpa_sm_set_config(wpa_s->wpa, NULL); | |
969 | eapol_sm_notify_config(wpa_s->eapol, NULL, | |
970 | NULL); | |
971 | } | |
8bac466b | 972 | wpas_notify_network_removed(wpa_s, remove_ssid); |
fcc60db4 | 973 | wpa_config_remove_network(wpa_s->conf, id); |
8bac466b | 974 | } |
fcc60db4 | 975 | } |
f9f0526b JM |
976 | |
977 | wpas_wps_clear_ap_info(wpa_s); | |
fcc60db4 JM |
978 | } |
979 | ||
980 | ||
981 | static void wpas_wps_timeout(void *eloop_ctx, void *timeout_ctx) | |
982 | { | |
983 | struct wpa_supplicant *wpa_s = eloop_ctx; | |
893e2cf9 SB |
984 | union wps_event_data data; |
985 | ||
014732ea AC |
986 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_TIMEOUT "Requested operation timed " |
987 | "out"); | |
893e2cf9 SB |
988 | os_memset(&data, 0, sizeof(data)); |
989 | data.fail.config_error = WPS_CFG_MSG_TIMEOUT; | |
990 | data.fail.error_indication = WPS_EI_NO_ERROR; | |
991 | /* | |
992 | * Call wpas_notify_wps_event_fail() directly instead of through | |
993 | * wpa_supplicant_wps_event() which would end up registering unnecessary | |
994 | * timeouts (those are only for the case where the failure happens | |
995 | * during an EAP-WSC exchange). | |
996 | */ | |
997 | wpas_notify_wps_event_fail(wpa_s, &data.fail); | |
fcc60db4 JM |
998 | wpas_clear_wps(wpa_s); |
999 | } | |
1000 | ||
1001 | ||
1002 | static struct wpa_ssid * wpas_wps_add_network(struct wpa_supplicant *wpa_s, | |
23318bea JM |
1003 | int registrar, const u8 *dev_addr, |
1004 | const u8 *bssid) | |
fcc60db4 JM |
1005 | { |
1006 | struct wpa_ssid *ssid; | |
1007 | ||
1008 | ssid = wpa_config_add_network(wpa_s->conf); | |
1009 | if (ssid == NULL) | |
1010 | return NULL; | |
8bac466b | 1011 | wpas_notify_network_added(wpa_s, ssid); |
fcc60db4 | 1012 | wpa_config_set_network_defaults(ssid); |
2ff99b3c | 1013 | ssid->temporary = 1; |
fcc60db4 JM |
1014 | if (wpa_config_set(ssid, "key_mgmt", "WPS", 0) < 0 || |
1015 | wpa_config_set(ssid, "eap", "WSC", 0) < 0 || | |
1016 | wpa_config_set(ssid, "identity", registrar ? | |
1017 | "\"" WSC_ID_REGISTRAR "\"" : | |
1018 | "\"" WSC_ID_ENROLLEE "\"", 0) < 0) { | |
8bac466b | 1019 | wpas_notify_network_removed(wpa_s, ssid); |
fcc60db4 JM |
1020 | wpa_config_remove_network(wpa_s->conf, ssid->id); |
1021 | return NULL; | |
1022 | } | |
1023 | ||
23318bea JM |
1024 | #ifdef CONFIG_P2P |
1025 | if (dev_addr) | |
1026 | os_memcpy(ssid->go_p2p_dev_addr, dev_addr, ETH_ALEN); | |
1027 | #endif /* CONFIG_P2P */ | |
1028 | ||
fcc60db4 | 1029 | if (bssid) { |
b2c5a4a3 | 1030 | #ifndef CONFIG_P2P |
59f2caa9 | 1031 | struct wpa_bss *bss; |
f7e54365 | 1032 | int count = 0; |
b2c5a4a3 | 1033 | #endif /* CONFIG_P2P */ |
fcc60db4 JM |
1034 | |
1035 | os_memcpy(ssid->bssid, bssid, ETH_ALEN); | |
24c23d1b | 1036 | ssid->bssid_set = 1; |
fcc60db4 | 1037 | |
b2c5a4a3 JM |
1038 | /* |
1039 | * Note: With P2P, the SSID may change at the time the WPS | |
1040 | * provisioning is started, so better not filter the AP based | |
1041 | * on the current SSID in the scan results. | |
1042 | */ | |
1043 | #ifndef CONFIG_P2P | |
59f2caa9 JM |
1044 | dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) { |
1045 | if (os_memcmp(bssid, bss->bssid, ETH_ALEN) != 0) | |
fcc60db4 JM |
1046 | continue; |
1047 | ||
fcc60db4 | 1048 | os_free(ssid->ssid); |
a1f11e34 | 1049 | ssid->ssid = os_memdup(bss->ssid, bss->ssid_len); |
fcc60db4 JM |
1050 | if (ssid->ssid == NULL) |
1051 | break; | |
59f2caa9 | 1052 | ssid->ssid_len = bss->ssid_len; |
f7e54365 JM |
1053 | wpa_hexdump_ascii(MSG_DEBUG, "WPS: Picked SSID from " |
1054 | "scan results", | |
1055 | ssid->ssid, ssid->ssid_len); | |
1056 | count++; | |
1057 | } | |
1058 | ||
1059 | if (count > 1) { | |
1060 | wpa_printf(MSG_DEBUG, "WPS: More than one SSID found " | |
1061 | "for the AP; use wildcard"); | |
1062 | os_free(ssid->ssid); | |
1063 | ssid->ssid = NULL; | |
1064 | ssid->ssid_len = 0; | |
fcc60db4 | 1065 | } |
b2c5a4a3 | 1066 | #endif /* CONFIG_P2P */ |
fcc60db4 JM |
1067 | } |
1068 | ||
1069 | return ssid; | |
1070 | } | |
1071 | ||
1072 | ||
170f5663 JM |
1073 | static void wpas_wps_temp_disable(struct wpa_supplicant *wpa_s, |
1074 | struct wpa_ssid *selected) | |
fcc60db4 JM |
1075 | { |
1076 | struct wpa_ssid *ssid; | |
1077 | ||
c2805909 JM |
1078 | if (wpa_s->current_ssid) { |
1079 | wpa_s->own_disconnect_req = 1; | |
d9d87c33 JM |
1080 | wpa_supplicant_deauthenticate( |
1081 | wpa_s, WLAN_REASON_DEAUTH_LEAVING); | |
c2805909 | 1082 | } |
d9d87c33 | 1083 | |
fcc60db4 JM |
1084 | /* Mark all other networks disabled and trigger reassociation */ |
1085 | ssid = wpa_s->conf->ssid; | |
1086 | while (ssid) { | |
8bac466b | 1087 | int was_disabled = ssid->disabled; |
ec947ffc | 1088 | ssid->disabled_for_connect = 0; |
c2762e41 JS |
1089 | /* |
1090 | * In case the network object corresponds to a persistent group | |
1091 | * then do not send out network disabled signal. In addition, | |
1092 | * do not change disabled status of persistent network objects | |
1093 | * from 2 to 1 should we connect to another network. | |
1094 | */ | |
1095 | if (was_disabled != 2) { | |
1096 | ssid->disabled = ssid != selected; | |
ec947ffc SD |
1097 | if (was_disabled != ssid->disabled) { |
1098 | if (ssid->disabled) | |
1099 | ssid->disabled_for_connect = 1; | |
c2762e41 JS |
1100 | wpas_notify_network_enabled_changed(wpa_s, |
1101 | ssid); | |
ec947ffc | 1102 | } |
c2762e41 | 1103 | } |
fcc60db4 JM |
1104 | ssid = ssid->next; |
1105 | } | |
170f5663 JM |
1106 | } |
1107 | ||
1108 | ||
1109 | static void wpas_wps_reassoc(struct wpa_supplicant *wpa_s, | |
91a65018 JM |
1110 | struct wpa_ssid *selected, const u8 *bssid, |
1111 | int freq) | |
170f5663 JM |
1112 | { |
1113 | struct wpa_bss *bss; | |
1114 | ||
e5a4b85b HW |
1115 | wpa_s->wps_run++; |
1116 | if (wpa_s->wps_run == 0) | |
1117 | wpa_s->wps_run++; | |
170f5663 JM |
1118 | wpa_s->after_wps = 0; |
1119 | wpa_s->known_wps_freq = 0; | |
91a65018 JM |
1120 | if (freq) { |
1121 | wpa_s->after_wps = 5; | |
1122 | wpa_s->wps_freq = freq; | |
1123 | } else if (bssid) { | |
170f5663 JM |
1124 | bss = wpa_bss_get_bssid_latest(wpa_s, bssid); |
1125 | if (bss && bss->freq > 0) { | |
1126 | wpa_s->known_wps_freq = 1; | |
1127 | wpa_s->wps_freq = bss->freq; | |
1128 | } | |
1129 | } | |
1130 | ||
1131 | wpas_wps_temp_disable(wpa_s, selected); | |
1132 | ||
fcc60db4 JM |
1133 | wpa_s->disconnected = 0; |
1134 | wpa_s->reassociate = 1; | |
a6099152 | 1135 | wpa_s->scan_runs = 0; |
0b7a25c0 | 1136 | wpa_s->normal_scans = 0; |
a6099152 JM |
1137 | wpa_s->wps_success = 0; |
1138 | wpa_s->blacklist_cleared = 0; | |
1cba9bea JJ |
1139 | |
1140 | wpa_supplicant_cancel_sched_scan(wpa_s); | |
fcc60db4 JM |
1141 | wpa_supplicant_req_scan(wpa_s, 0, 0); |
1142 | } | |
1143 | ||
1144 | ||
9fa243b2 | 1145 | int wpas_wps_start_pbc(struct wpa_supplicant *wpa_s, const u8 *bssid, |
83ebf558 | 1146 | int p2p_group, int multi_ap_backhaul_sta) |
fcc60db4 JM |
1147 | { |
1148 | struct wpa_ssid *ssid; | |
83ebf558 | 1149 | char phase1[32]; |
bd47d680 JM |
1150 | |
1151 | #ifdef CONFIG_AP | |
1152 | if (wpa_s->ap_iface) { | |
1153 | wpa_printf(MSG_DEBUG, | |
1154 | "WPS: Reject request to start Registrar(as station) operation while AP mode is enabled"); | |
1155 | return -1; | |
1156 | } | |
1157 | #endif /* CONFIG_AP */ | |
fcc60db4 | 1158 | wpas_clear_wps(wpa_s); |
23318bea | 1159 | ssid = wpas_wps_add_network(wpa_s, 0, NULL, bssid); |
fcc60db4 JM |
1160 | if (ssid == NULL) |
1161 | return -1; | |
9fa243b2 JM |
1162 | ssid->temporary = 1; |
1163 | ssid->p2p_group = p2p_group; | |
90f14962 LD |
1164 | /* |
1165 | * When starting a regular WPS process (not P2P group formation) | |
1166 | * the registrar/final station can be either AP or PCP | |
1167 | * so use a "don't care" value for the pbss flag. | |
1168 | */ | |
1169 | if (!p2p_group) | |
1170 | ssid->pbss = 2; | |
812bf56a | 1171 | #ifdef CONFIG_P2P |
e9a7ae41 JM |
1172 | if (p2p_group && wpa_s->go_params && wpa_s->go_params->ssid_len) { |
1173 | ssid->ssid = os_zalloc(wpa_s->go_params->ssid_len + 1); | |
1174 | if (ssid->ssid) { | |
1175 | ssid->ssid_len = wpa_s->go_params->ssid_len; | |
1176 | os_memcpy(ssid->ssid, wpa_s->go_params->ssid, | |
1177 | ssid->ssid_len); | |
b9074912 LD |
1178 | if (wpa_s->go_params->freq > 56160) { |
1179 | /* P2P in 60 GHz uses PBSS */ | |
1180 | ssid->pbss = 1; | |
1181 | } | |
99666225 AM |
1182 | if (wpa_s->go_params->edmg && |
1183 | wpas_p2p_try_edmg_channel(wpa_s, | |
1184 | wpa_s->go_params) == 0) | |
1185 | ssid->enable_edmg = 1; | |
1186 | ||
e9a7ae41 JM |
1187 | wpa_hexdump_ascii(MSG_DEBUG, "WPS: Use specific AP " |
1188 | "SSID", ssid->ssid, ssid->ssid_len); | |
1189 | } | |
1190 | } | |
812bf56a | 1191 | #endif /* CONFIG_P2P */ |
83ebf558 DL |
1192 | os_snprintf(phase1, sizeof(phase1), "pbc=1%s", |
1193 | multi_ap_backhaul_sta ? " multi_ap=1" : ""); | |
1194 | if (wpa_config_set_quoted(ssid, "phase1", phase1) < 0) | |
9c75e9fb | 1195 | return -1; |
42f50264 JM |
1196 | if (wpa_s->wps_fragment_size) |
1197 | ssid->eap.fragment_size = wpa_s->wps_fragment_size; | |
83ebf558 DL |
1198 | if (multi_ap_backhaul_sta) |
1199 | ssid->multi_ap_backhaul_sta = 1; | |
acdf5021 | 1200 | wpa_supplicant_wps_event(wpa_s, WPS_EV_PBC_ACTIVE, NULL); |
fcc60db4 JM |
1201 | eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout, |
1202 | wpa_s, NULL); | |
91a65018 | 1203 | wpas_wps_reassoc(wpa_s, ssid, bssid, 0); |
fcc60db4 JM |
1204 | return 0; |
1205 | } | |
1206 | ||
1207 | ||
23318bea JM |
1208 | static int wpas_wps_start_dev_pw(struct wpa_supplicant *wpa_s, |
1209 | const u8 *dev_addr, const u8 *bssid, | |
5f454557 | 1210 | const char *pin, int p2p_group, u16 dev_pw_id, |
57630e65 | 1211 | const u8 *peer_pubkey_hash, |
91a65018 | 1212 | const u8 *ssid_val, size_t ssid_len, int freq) |
fcc60db4 JM |
1213 | { |
1214 | struct wpa_ssid *ssid; | |
5f454557 | 1215 | char val[128 + 2 * WPS_OOB_PUBKEY_HASH_LEN]; |
fcc60db4 | 1216 | unsigned int rpin = 0; |
5f454557 | 1217 | char hash[2 * WPS_OOB_PUBKEY_HASH_LEN + 10]; |
fcc60db4 | 1218 | |
bd47d680 JM |
1219 | #ifdef CONFIG_AP |
1220 | if (wpa_s->ap_iface) { | |
1221 | wpa_printf(MSG_DEBUG, | |
1222 | "WPS: Reject request to start Registrar(as station) operation while AP mode is enabled"); | |
1223 | return -1; | |
1224 | } | |
1225 | #endif /* CONFIG_AP */ | |
fcc60db4 | 1226 | wpas_clear_wps(wpa_s); |
23318bea JM |
1227 | if (bssid && is_zero_ether_addr(bssid)) |
1228 | bssid = NULL; | |
1229 | ssid = wpas_wps_add_network(wpa_s, 0, dev_addr, bssid); | |
57630e65 JM |
1230 | if (ssid == NULL) { |
1231 | wpa_printf(MSG_DEBUG, "WPS: Could not add network"); | |
fcc60db4 | 1232 | return -1; |
57630e65 | 1233 | } |
9fa243b2 JM |
1234 | ssid->temporary = 1; |
1235 | ssid->p2p_group = p2p_group; | |
90f14962 LD |
1236 | /* |
1237 | * When starting a regular WPS process (not P2P group formation) | |
1238 | * the registrar/final station can be either AP or PCP | |
1239 | * so use a "don't care" value for the pbss flag. | |
1240 | */ | |
1241 | if (!p2p_group) | |
1242 | ssid->pbss = 2; | |
57630e65 JM |
1243 | if (ssid_val) { |
1244 | ssid->ssid = os_malloc(ssid_len); | |
1245 | if (ssid->ssid) { | |
1246 | os_memcpy(ssid->ssid, ssid_val, ssid_len); | |
1247 | ssid->ssid_len = ssid_len; | |
1248 | } | |
1249 | } | |
5f454557 JM |
1250 | if (peer_pubkey_hash) { |
1251 | os_memcpy(hash, " pkhash=", 8); | |
1252 | wpa_snprintf_hex_uppercase(hash + 8, sizeof(hash) - 8, | |
1253 | peer_pubkey_hash, | |
1254 | WPS_OOB_PUBKEY_HASH_LEN); | |
1255 | } else { | |
1256 | hash[0] = '\0'; | |
1257 | } | |
812bf56a | 1258 | #ifdef CONFIG_P2P |
e9a7ae41 | 1259 | if (p2p_group && wpa_s->go_params && wpa_s->go_params->ssid_len) { |
eda9d84d | 1260 | os_free(ssid->ssid); |
e9a7ae41 JM |
1261 | ssid->ssid = os_zalloc(wpa_s->go_params->ssid_len + 1); |
1262 | if (ssid->ssid) { | |
1263 | ssid->ssid_len = wpa_s->go_params->ssid_len; | |
1264 | os_memcpy(ssid->ssid, wpa_s->go_params->ssid, | |
1265 | ssid->ssid_len); | |
b9074912 LD |
1266 | if (wpa_s->go_params->freq > 56160) { |
1267 | /* P2P in 60 GHz uses PBSS */ | |
1268 | ssid->pbss = 1; | |
1269 | } | |
99666225 AM |
1270 | if (wpa_s->go_params->edmg && |
1271 | wpas_p2p_try_edmg_channel(wpa_s, | |
1272 | wpa_s->go_params) == 0) | |
1273 | ssid->enable_edmg = 1; | |
1274 | ||
e9a7ae41 JM |
1275 | wpa_hexdump_ascii(MSG_DEBUG, "WPS: Use specific AP " |
1276 | "SSID", ssid->ssid, ssid->ssid_len); | |
1277 | } | |
1278 | } | |
812bf56a | 1279 | #endif /* CONFIG_P2P */ |
fcc60db4 | 1280 | if (pin) |
5f454557 JM |
1281 | os_snprintf(val, sizeof(val), "\"pin=%s dev_pw_id=%u%s\"", |
1282 | pin, dev_pw_id, hash); | |
fa4c2988 JM |
1283 | else if (pin == NULL && dev_pw_id == DEV_PW_NFC_CONNECTION_HANDOVER) { |
1284 | os_snprintf(val, sizeof(val), "\"dev_pw_id=%u%s\"", | |
1285 | dev_pw_id, hash); | |
1286 | } else { | |
98a516ea NL |
1287 | if (wps_generate_pin(&rpin) < 0) { |
1288 | wpa_printf(MSG_DEBUG, "WPS: Could not generate PIN"); | |
1289 | return -1; | |
1290 | } | |
5f454557 JM |
1291 | os_snprintf(val, sizeof(val), "\"pin=%08d dev_pw_id=%u%s\"", |
1292 | rpin, dev_pw_id, hash); | |
fcc60db4 | 1293 | } |
fa4c2988 JM |
1294 | if (wpa_config_set(ssid, "phase1", val, 0) < 0) { |
1295 | wpa_printf(MSG_DEBUG, "WPS: Failed to set phase1 '%s'", val); | |
9c75e9fb | 1296 | return -1; |
fa4c2988 | 1297 | } |
b1b62a13 BH |
1298 | |
1299 | if (dev_pw_id != DEV_PW_NFC_CONNECTION_HANDOVER) | |
1300 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_PIN_ACTIVE); | |
1301 | ||
42f50264 JM |
1302 | if (wpa_s->wps_fragment_size) |
1303 | ssid->eap.fragment_size = wpa_s->wps_fragment_size; | |
fcc60db4 JM |
1304 | eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout, |
1305 | wpa_s, NULL); | |
f9f0526b | 1306 | wpa_s->wps_ap_iter = 1; |
91a65018 | 1307 | wpas_wps_reassoc(wpa_s, ssid, bssid, freq); |
fcc60db4 JM |
1308 | return rpin; |
1309 | } | |
1310 | ||
1311 | ||
5f454557 JM |
1312 | int wpas_wps_start_pin(struct wpa_supplicant *wpa_s, const u8 *bssid, |
1313 | const char *pin, int p2p_group, u16 dev_pw_id) | |
1314 | { | |
e7d20342 | 1315 | os_get_reltime(&wpa_s->wps_pin_start_time); |
23318bea | 1316 | return wpas_wps_start_dev_pw(wpa_s, NULL, bssid, pin, p2p_group, |
91a65018 | 1317 | dev_pw_id, NULL, NULL, 0, 0); |
5f454557 JM |
1318 | } |
1319 | ||
1320 | ||
0a7b2a02 SB |
1321 | void wpas_wps_pbc_overlap(struct wpa_supplicant *wpa_s) |
1322 | { | |
1323 | union wps_event_data data; | |
1324 | ||
1325 | os_memset(&data, 0, sizeof(data)); | |
1326 | data.fail.config_error = WPS_CFG_MULTIPLE_PBC_DETECTED; | |
1327 | data.fail.error_indication = WPS_EI_NO_ERROR; | |
1328 | /* | |
1329 | * Call wpas_notify_wps_event_fail() directly instead of through | |
1330 | * wpa_supplicant_wps_event() which would end up registering unnecessary | |
1331 | * timeouts (those are only for the case where the failure happens | |
1332 | * during an EAP-WSC exchange). | |
1333 | */ | |
1334 | wpas_notify_wps_event_fail(wpa_s, &data.fail); | |
1335 | } | |
1336 | ||
2f9929ff AC |
1337 | /* Cancel the wps pbc/pin requests */ |
1338 | int wpas_wps_cancel(struct wpa_supplicant *wpa_s) | |
1339 | { | |
1340 | #ifdef CONFIG_AP | |
1341 | if (wpa_s->ap_iface) { | |
1342 | wpa_printf(MSG_DEBUG, "WPS: Cancelling in AP mode"); | |
1343 | return wpa_supplicant_ap_wps_cancel(wpa_s); | |
1344 | } | |
1345 | #endif /* CONFIG_AP */ | |
1346 | ||
476dea24 JM |
1347 | if (wpa_s->wpa_state == WPA_SCANNING || |
1348 | wpa_s->wpa_state == WPA_DISCONNECTED) { | |
2f9929ff AC |
1349 | wpa_printf(MSG_DEBUG, "WPS: Cancel operation - cancel scan"); |
1350 | wpa_supplicant_cancel_scan(wpa_s); | |
1351 | wpas_clear_wps(wpa_s); | |
1352 | } else if (wpa_s->wpa_state >= WPA_ASSOCIATED) { | |
1353 | wpa_printf(MSG_DEBUG, "WPS: Cancel operation - " | |
1354 | "deauthenticate"); | |
c2805909 | 1355 | wpa_s->own_disconnect_req = 1; |
2f9929ff AC |
1356 | wpa_supplicant_deauthenticate(wpa_s, |
1357 | WLAN_REASON_DEAUTH_LEAVING); | |
1358 | wpas_clear_wps(wpa_s); | |
ec947ffc SD |
1359 | } else { |
1360 | wpas_wps_reenable_networks(wpa_s); | |
f9f0526b | 1361 | wpas_wps_clear_ap_info(wpa_s); |
5890fa81 JM |
1362 | if (eloop_cancel_timeout(wpas_wps_clear_timeout, wpa_s, NULL) > |
1363 | 0) | |
1364 | wpas_clear_wps(wpa_s); | |
ec947ffc | 1365 | } |
2f9929ff | 1366 | |
b1b62a13 | 1367 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_CANCEL); |
7255983b JM |
1368 | wpa_s->after_wps = 0; |
1369 | ||
2f9929ff AC |
1370 | return 0; |
1371 | } | |
1372 | ||
1373 | ||
fcc60db4 | 1374 | int wpas_wps_start_reg(struct wpa_supplicant *wpa_s, const u8 *bssid, |
52eb293d | 1375 | const char *pin, struct wps_new_ap_settings *settings) |
fcc60db4 JM |
1376 | { |
1377 | struct wpa_ssid *ssid; | |
52eb293d JM |
1378 | char val[200]; |
1379 | char *pos, *end; | |
1380 | int res; | |
fcc60db4 | 1381 | |
bd47d680 JM |
1382 | #ifdef CONFIG_AP |
1383 | if (wpa_s->ap_iface) { | |
1384 | wpa_printf(MSG_DEBUG, | |
1385 | "WPS: Reject request to start Registrar(as station) operation while AP mode is enabled"); | |
1386 | return -1; | |
1387 | } | |
1388 | #endif /* CONFIG_AP */ | |
fcc60db4 JM |
1389 | if (!pin) |
1390 | return -1; | |
1391 | wpas_clear_wps(wpa_s); | |
23318bea | 1392 | ssid = wpas_wps_add_network(wpa_s, 1, NULL, bssid); |
fcc60db4 JM |
1393 | if (ssid == NULL) |
1394 | return -1; | |
2ff99b3c | 1395 | ssid->temporary = 1; |
52eb293d JM |
1396 | pos = val; |
1397 | end = pos + sizeof(val); | |
1398 | res = os_snprintf(pos, end - pos, "\"pin=%s", pin); | |
d85e1fc8 | 1399 | if (os_snprintf_error(end - pos, res)) |
52eb293d JM |
1400 | return -1; |
1401 | pos += res; | |
1402 | if (settings) { | |
1403 | res = os_snprintf(pos, end - pos, " new_ssid=%s new_auth=%s " | |
1404 | "new_encr=%s new_key=%s", | |
1405 | settings->ssid_hex, settings->auth, | |
1406 | settings->encr, settings->key_hex); | |
d85e1fc8 | 1407 | if (os_snprintf_error(end - pos, res)) |
52eb293d JM |
1408 | return -1; |
1409 | pos += res; | |
1410 | } | |
1411 | res = os_snprintf(pos, end - pos, "\""); | |
d85e1fc8 | 1412 | if (os_snprintf_error(end - pos, res)) |
52eb293d | 1413 | return -1; |
9c75e9fb JM |
1414 | if (wpa_config_set(ssid, "phase1", val, 0) < 0) |
1415 | return -1; | |
42f50264 JM |
1416 | if (wpa_s->wps_fragment_size) |
1417 | ssid->eap.fragment_size = wpa_s->wps_fragment_size; | |
fcc60db4 JM |
1418 | eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout, |
1419 | wpa_s, NULL); | |
91a65018 | 1420 | wpas_wps_reassoc(wpa_s, ssid, bssid, 0); |
fcc60db4 JM |
1421 | return 0; |
1422 | } | |
1423 | ||
1424 | ||
52177fbb JM |
1425 | static int wpas_wps_new_psk_cb(void *ctx, const u8 *mac_addr, |
1426 | const u8 *p2p_dev_addr, const u8 *psk, | |
c5adf528 JM |
1427 | size_t psk_len) |
1428 | { | |
52177fbb JM |
1429 | if (is_zero_ether_addr(p2p_dev_addr)) { |
1430 | wpa_printf(MSG_DEBUG, | |
1431 | "Received new WPA/WPA2-PSK from WPS for STA " MACSTR, | |
1432 | MAC2STR(mac_addr)); | |
1433 | } else { | |
1434 | wpa_printf(MSG_DEBUG, | |
1435 | "Received new WPA/WPA2-PSK from WPS for STA " MACSTR | |
1436 | " P2P Device Addr " MACSTR, | |
1437 | MAC2STR(mac_addr), MAC2STR(p2p_dev_addr)); | |
1438 | } | |
c5adf528 JM |
1439 | wpa_hexdump_key(MSG_DEBUG, "Per-device PSK", psk, psk_len); |
1440 | ||
1441 | /* TODO */ | |
1442 | ||
1443 | return 0; | |
1444 | } | |
1445 | ||
1446 | ||
1447 | static void wpas_wps_pin_needed_cb(void *ctx, const u8 *uuid_e, | |
1448 | const struct wps_device_data *dev) | |
1449 | { | |
1450 | char uuid[40], txt[400]; | |
1451 | int len; | |
96750ea5 | 1452 | char devtype[WPS_DEV_TYPE_BUFSIZE]; |
c5adf528 JM |
1453 | if (uuid_bin2str(uuid_e, uuid, sizeof(uuid))) |
1454 | return; | |
1455 | wpa_printf(MSG_DEBUG, "WPS: PIN needed for UUID-E %s", uuid); | |
1456 | len = os_snprintf(txt, sizeof(txt), "WPS-EVENT-PIN-NEEDED %s " MACSTR | |
96750ea5 | 1457 | " [%s|%s|%s|%s|%s|%s]", |
c5adf528 JM |
1458 | uuid, MAC2STR(dev->mac_addr), dev->device_name, |
1459 | dev->manufacturer, dev->model_name, | |
1460 | dev->model_number, dev->serial_number, | |
96750ea5 JM |
1461 | wps_dev_type_bin2str(dev->pri_dev_type, devtype, |
1462 | sizeof(devtype))); | |
a80ba67a | 1463 | if (!os_snprintf_error(sizeof(txt), len)) |
c5adf528 JM |
1464 | wpa_printf(MSG_INFO, "%s", txt); |
1465 | } | |
1466 | ||
1467 | ||
72df2f5f JM |
1468 | static void wpas_wps_set_sel_reg_cb(void *ctx, int sel_reg, u16 dev_passwd_id, |
1469 | u16 sel_reg_config_methods) | |
1470 | { | |
1471 | #ifdef CONFIG_WPS_ER | |
1472 | struct wpa_supplicant *wpa_s = ctx; | |
1473 | ||
1474 | if (wpa_s->wps_er == NULL) | |
1475 | return; | |
ad474118 JM |
1476 | wpa_printf(MSG_DEBUG, "WPS ER: SetSelectedRegistrar - sel_reg=%d " |
1477 | "dev_password_id=%u sel_reg_config_methods=0x%x", | |
1478 | sel_reg, dev_passwd_id, sel_reg_config_methods); | |
72df2f5f JM |
1479 | wps_er_set_sel_reg(wpa_s->wps_er, sel_reg, dev_passwd_id, |
1480 | sel_reg_config_methods); | |
1481 | #endif /* CONFIG_WPS_ER */ | |
1482 | } | |
1483 | ||
1484 | ||
092acb54 JM |
1485 | static u16 wps_fix_config_methods(u16 config_methods) |
1486 | { | |
092acb54 JM |
1487 | if ((config_methods & |
1488 | (WPS_CONFIG_DISPLAY | WPS_CONFIG_VIRT_DISPLAY | | |
1489 | WPS_CONFIG_PHY_DISPLAY)) == WPS_CONFIG_DISPLAY) { | |
1490 | wpa_printf(MSG_INFO, "WPS: Converting display to " | |
1491 | "virtual_display for WPS 2.0 compliance"); | |
1492 | config_methods |= WPS_CONFIG_VIRT_DISPLAY; | |
1493 | } | |
1494 | if ((config_methods & | |
1495 | (WPS_CONFIG_PUSHBUTTON | WPS_CONFIG_VIRT_PUSHBUTTON | | |
1496 | WPS_CONFIG_PHY_PUSHBUTTON)) == WPS_CONFIG_PUSHBUTTON) { | |
1497 | wpa_printf(MSG_INFO, "WPS: Converting push_button to " | |
1498 | "virtual_push_button for WPS 2.0 compliance"); | |
1499 | config_methods |= WPS_CONFIG_VIRT_PUSHBUTTON; | |
1500 | } | |
092acb54 JM |
1501 | |
1502 | return config_methods; | |
1503 | } | |
1504 | ||
1505 | ||
85a821d6 JM |
1506 | static void wpas_wps_set_uuid(struct wpa_supplicant *wpa_s, |
1507 | struct wps_context *wps) | |
1508 | { | |
ef93abde JM |
1509 | char buf[50]; |
1510 | const char *src; | |
1511 | ||
85a821d6 JM |
1512 | if (is_nil_uuid(wpa_s->conf->uuid)) { |
1513 | struct wpa_supplicant *first; | |
1514 | first = wpa_s->global->ifaces; | |
1515 | while (first && first->next) | |
1516 | first = first->next; | |
1517 | if (first && first != wpa_s) { | |
157cdad5 BG |
1518 | if (wps != wpa_s->global->ifaces->wps) |
1519 | os_memcpy(wps->uuid, | |
1520 | wpa_s->global->ifaces->wps->uuid, | |
1521 | WPS_UUID_LEN); | |
ef93abde | 1522 | src = "from the first interface"; |
183d3924 JM |
1523 | } else if (wpa_s->conf->auto_uuid == 1) { |
1524 | uuid_random(wps->uuid); | |
1525 | src = "based on random data"; | |
85a821d6 JM |
1526 | } else { |
1527 | uuid_gen_mac_addr(wpa_s->own_addr, wps->uuid); | |
ef93abde | 1528 | src = "based on MAC address"; |
85a821d6 JM |
1529 | } |
1530 | } else { | |
1531 | os_memcpy(wps->uuid, wpa_s->conf->uuid, WPS_UUID_LEN); | |
ef93abde | 1532 | src = "based on configuration"; |
85a821d6 | 1533 | } |
ef93abde JM |
1534 | |
1535 | uuid_bin2str(wps->uuid, buf, sizeof(buf)); | |
1536 | wpa_dbg(wpa_s, MSG_DEBUG, "WPS: UUID %s: %s", src, buf); | |
85a821d6 JM |
1537 | } |
1538 | ||
1539 | ||
71dd3b78 AS |
1540 | static void wpas_wps_set_vendor_ext_m1(struct wpa_supplicant *wpa_s, |
1541 | struct wps_context *wps) | |
1542 | { | |
1543 | wpabuf_free(wps->dev.vendor_ext_m1); | |
1544 | wps->dev.vendor_ext_m1 = NULL; | |
1545 | ||
1546 | if (wpa_s->conf->wps_vendor_ext_m1) { | |
1547 | wps->dev.vendor_ext_m1 = | |
1548 | wpabuf_dup(wpa_s->conf->wps_vendor_ext_m1); | |
1549 | if (!wps->dev.vendor_ext_m1) { | |
1550 | wpa_printf(MSG_ERROR, "WPS: Cannot " | |
1551 | "allocate memory for vendor_ext_m1"); | |
1552 | } | |
1553 | } | |
1554 | } | |
1555 | ||
1556 | ||
116654ce JM |
1557 | int wpas_wps_init(struct wpa_supplicant *wpa_s) |
1558 | { | |
1559 | struct wps_context *wps; | |
c5adf528 | 1560 | struct wps_registrar_config rcfg; |
6fb6d842 | 1561 | struct hostapd_hw_modes *modes; |
6bf731e8 | 1562 | u16 m; |
116654ce JM |
1563 | |
1564 | wps = os_zalloc(sizeof(*wps)); | |
1565 | if (wps == NULL) | |
1566 | return -1; | |
1567 | ||
1568 | wps->cred_cb = wpa_supplicant_wps_cred; | |
4b68290e | 1569 | wps->event_cb = wpa_supplicant_wps_event; |
239abaf2 | 1570 | wps->rf_band_cb = wpa_supplicant_wps_rf_band; |
116654ce JM |
1571 | wps->cb_ctx = wpa_s; |
1572 | ||
3c0b7aa4 JM |
1573 | wps->dev.device_name = wpa_s->conf->device_name; |
1574 | wps->dev.manufacturer = wpa_s->conf->manufacturer; | |
1575 | wps->dev.model_name = wpa_s->conf->model_name; | |
1576 | wps->dev.model_number = wpa_s->conf->model_number; | |
1577 | wps->dev.serial_number = wpa_s->conf->serial_number; | |
c0e4dd9e JM |
1578 | wps->config_methods = |
1579 | wps_config_methods_str2bin(wpa_s->conf->config_methods); | |
979b988e JM |
1580 | if ((wps->config_methods & (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) == |
1581 | (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) { | |
1582 | wpa_printf(MSG_ERROR, "WPS: Both Label and Display config " | |
1583 | "methods are not allowed at the same time"); | |
1584 | os_free(wps); | |
1585 | return -1; | |
1586 | } | |
092acb54 | 1587 | wps->config_methods = wps_fix_config_methods(wps->config_methods); |
a9355fac | 1588 | wps->dev.config_methods = wps->config_methods; |
2f646b6e JB |
1589 | os_memcpy(wps->dev.pri_dev_type, wpa_s->conf->device_type, |
1590 | WPS_DEV_TYPE_LEN); | |
a9e86bfb | 1591 | |
2f646b6e JB |
1592 | wps->dev.num_sec_dev_types = wpa_s->conf->num_sec_device_types; |
1593 | os_memcpy(wps->dev.sec_dev_type, wpa_s->conf->sec_device_type, | |
1594 | WPS_DEV_TYPE_LEN * wps->dev.num_sec_dev_types); | |
a9e86bfb | 1595 | |
71dd3b78 AS |
1596 | wpas_wps_set_vendor_ext_m1(wpa_s, wps); |
1597 | ||
3c0b7aa4 | 1598 | wps->dev.os_version = WPA_GET_BE32(wpa_s->conf->os_version); |
6bf731e8 | 1599 | modes = wpa_s->hw.modes; |
6fb6d842 | 1600 | if (modes) { |
6bf731e8 | 1601 | for (m = 0; m < wpa_s->hw.num_modes; m++) { |
6fb6d842 BC |
1602 | if (modes[m].mode == HOSTAPD_MODE_IEEE80211B || |
1603 | modes[m].mode == HOSTAPD_MODE_IEEE80211G) | |
1604 | wps->dev.rf_bands |= WPS_RF_24GHZ; | |
1605 | else if (modes[m].mode == HOSTAPD_MODE_IEEE80211A) | |
1606 | wps->dev.rf_bands |= WPS_RF_50GHZ; | |
01a02593 HK |
1607 | else if (modes[m].mode == HOSTAPD_MODE_IEEE80211AD) |
1608 | wps->dev.rf_bands |= WPS_RF_60GHZ; | |
6fb6d842 | 1609 | } |
6fb6d842 BC |
1610 | } |
1611 | if (wps->dev.rf_bands == 0) { | |
1612 | /* | |
1613 | * Default to claiming support for both bands if the driver | |
1614 | * does not provide support for fetching supported bands. | |
1615 | */ | |
1616 | wps->dev.rf_bands = WPS_RF_24GHZ | WPS_RF_50GHZ; | |
1617 | } | |
398cfbf6 | 1618 | os_memcpy(wps->dev.mac_addr, wpa_s->own_addr, ETH_ALEN); |
85a821d6 | 1619 | wpas_wps_set_uuid(wpa_s, wps); |
116654ce | 1620 | |
c5adf528 JM |
1621 | wps->auth_types = WPS_AUTH_WPA2PSK | WPS_AUTH_WPAPSK; |
1622 | wps->encr_types = WPS_ENCR_AES | WPS_ENCR_TKIP; | |
1623 | ||
1624 | os_memset(&rcfg, 0, sizeof(rcfg)); | |
1625 | rcfg.new_psk_cb = wpas_wps_new_psk_cb; | |
1626 | rcfg.pin_needed_cb = wpas_wps_pin_needed_cb; | |
72df2f5f | 1627 | rcfg.set_sel_reg_cb = wpas_wps_set_sel_reg_cb; |
c5adf528 JM |
1628 | rcfg.cb_ctx = wpa_s; |
1629 | ||
1630 | wps->registrar = wps_registrar_init(wps, &rcfg); | |
1631 | if (wps->registrar == NULL) { | |
1632 | wpa_printf(MSG_DEBUG, "Failed to initialize WPS Registrar"); | |
1633 | os_free(wps); | |
1634 | return -1; | |
1635 | } | |
1636 | ||
116654ce JM |
1637 | wpa_s->wps = wps; |
1638 | ||
1639 | return 0; | |
1640 | } | |
1641 | ||
1642 | ||
50d1f890 JM |
1643 | #ifdef CONFIG_WPS_ER |
1644 | static void wpas_wps_nfc_clear(struct wps_context *wps) | |
1645 | { | |
1646 | wps->ap_nfc_dev_pw_id = 0; | |
1647 | wpabuf_free(wps->ap_nfc_dh_pubkey); | |
1648 | wps->ap_nfc_dh_pubkey = NULL; | |
1649 | wpabuf_free(wps->ap_nfc_dh_privkey); | |
1650 | wps->ap_nfc_dh_privkey = NULL; | |
1651 | wpabuf_free(wps->ap_nfc_dev_pw); | |
1652 | wps->ap_nfc_dev_pw = NULL; | |
1653 | } | |
1654 | #endif /* CONFIG_WPS_ER */ | |
1655 | ||
1656 | ||
116654ce JM |
1657 | void wpas_wps_deinit(struct wpa_supplicant *wpa_s) |
1658 | { | |
150fd0b2 | 1659 | wpas_wps_assoc_with_cred_cancel(wpa_s); |
fcc60db4 | 1660 | eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL); |
2e145e91 | 1661 | eloop_cancel_timeout(wpas_wps_clear_timeout, wpa_s, NULL); |
ec947ffc | 1662 | eloop_cancel_timeout(wpas_wps_reenable_networks_cb, wpa_s, NULL); |
f9f0526b | 1663 | wpas_wps_clear_ap_info(wpa_s); |
fcc60db4 | 1664 | |
fb2ac53d AC |
1665 | #ifdef CONFIG_P2P |
1666 | eloop_cancel_timeout(wpas_p2p_pbc_overlap_cb, wpa_s, NULL); | |
1667 | #endif /* CONFIG_P2P */ | |
1668 | ||
116654ce JM |
1669 | if (wpa_s->wps == NULL) |
1670 | return; | |
1671 | ||
a6b63078 | 1672 | #ifdef CONFIG_WPS_ER |
1a1bf008 | 1673 | wps_er_deinit(wpa_s->wps_er, NULL, NULL); |
a6b63078 | 1674 | wpa_s->wps_er = NULL; |
50d1f890 | 1675 | wpas_wps_nfc_clear(wpa_s->wps); |
a6b63078 JM |
1676 | #endif /* CONFIG_WPS_ER */ |
1677 | ||
c5adf528 | 1678 | wps_registrar_deinit(wpa_s->wps->registrar); |
46bdb83a MH |
1679 | wpabuf_free(wpa_s->wps->dh_pubkey); |
1680 | wpabuf_free(wpa_s->wps->dh_privkey); | |
71dd3b78 | 1681 | wpabuf_free(wpa_s->wps->dev.vendor_ext_m1); |
116654ce JM |
1682 | os_free(wpa_s->wps->network_key); |
1683 | os_free(wpa_s->wps); | |
1684 | wpa_s->wps = NULL; | |
1685 | } | |
351f09a2 JM |
1686 | |
1687 | ||
a6099152 | 1688 | int wpas_wps_ssid_bss_match(struct wpa_supplicant *wpa_s, |
620c7837 | 1689 | struct wpa_ssid *ssid, struct wpa_bss *bss) |
351f09a2 JM |
1690 | { |
1691 | struct wpabuf *wps_ie; | |
1692 | ||
1693 | if (!(ssid->key_mgmt & WPA_KEY_MGMT_WPS)) | |
1694 | return -1; | |
1695 | ||
620c7837 | 1696 | wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE); |
351f09a2 JM |
1697 | if (eap_is_wps_pbc_enrollee(&ssid->eap)) { |
1698 | if (!wps_ie) { | |
1699 | wpa_printf(MSG_DEBUG, " skip - non-WPS AP"); | |
1700 | return 0; | |
1701 | } | |
1702 | ||
1703 | if (!wps_is_selected_pbc_registrar(wps_ie)) { | |
1704 | wpa_printf(MSG_DEBUG, " skip - WPS AP " | |
1705 | "without active PBC Registrar"); | |
1706 | wpabuf_free(wps_ie); | |
1707 | return 0; | |
1708 | } | |
1709 | ||
1710 | /* TODO: overlap detection */ | |
1711 | wpa_printf(MSG_DEBUG, " selected based on WPS IE " | |
1712 | "(Active PBC)"); | |
1713 | wpabuf_free(wps_ie); | |
1714 | return 1; | |
1715 | } | |
1716 | ||
1717 | if (eap_is_wps_pin_enrollee(&ssid->eap)) { | |
1718 | if (!wps_ie) { | |
1719 | wpa_printf(MSG_DEBUG, " skip - non-WPS AP"); | |
1720 | return 0; | |
1721 | } | |
1722 | ||
a6099152 | 1723 | /* |
31fcea93 JM |
1724 | * Start with WPS APs that advertise our address as an |
1725 | * authorized MAC (v2.0) or active PIN Registrar (v1.0) and | |
1726 | * allow any WPS AP after couple of scans since some APs do not | |
1727 | * set Selected Registrar attribute properly when using | |
1728 | * external Registrar. | |
a6099152 | 1729 | */ |
31fcea93 | 1730 | if (!wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 1)) { |
e7d20342 HW |
1731 | struct os_reltime age; |
1732 | ||
1733 | os_reltime_age(&wpa_s->wps_pin_start_time, &age); | |
1734 | ||
1735 | if (wpa_s->scan_runs < WPS_PIN_SCAN_IGNORE_SEL_REG || | |
1736 | age.sec < WPS_PIN_TIME_IGNORE_SEL_REG) { | |
1737 | wpa_printf(MSG_DEBUG, | |
1738 | " skip - WPS AP without active PIN Registrar (scan_runs=%d age=%d)", | |
1739 | wpa_s->scan_runs, (int) age.sec); | |
a6099152 JM |
1740 | wpabuf_free(wps_ie); |
1741 | return 0; | |
1742 | } | |
1743 | wpa_printf(MSG_DEBUG, " selected based on WPS IE"); | |
1744 | } else { | |
1745 | wpa_printf(MSG_DEBUG, " selected based on WPS IE " | |
31fcea93 | 1746 | "(Authorized MAC or Active PIN)"); |
351f09a2 | 1747 | } |
351f09a2 JM |
1748 | wpabuf_free(wps_ie); |
1749 | return 1; | |
1750 | } | |
1751 | ||
1752 | if (wps_ie) { | |
1753 | wpa_printf(MSG_DEBUG, " selected based on WPS IE"); | |
1754 | wpabuf_free(wps_ie); | |
1755 | return 1; | |
1756 | } | |
1757 | ||
1758 | return -1; | |
1759 | } | |
1760 | ||
1761 | ||
a6099152 JM |
1762 | int wpas_wps_ssid_wildcard_ok(struct wpa_supplicant *wpa_s, |
1763 | struct wpa_ssid *ssid, | |
620c7837 | 1764 | struct wpa_bss *bss) |
351f09a2 JM |
1765 | { |
1766 | struct wpabuf *wps_ie = NULL; | |
1767 | int ret = 0; | |
1768 | ||
1769 | if (eap_is_wps_pbc_enrollee(&ssid->eap)) { | |
620c7837 | 1770 | wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE); |
351f09a2 JM |
1771 | if (wps_ie && wps_is_selected_pbc_registrar(wps_ie)) { |
1772 | /* allow wildcard SSID for WPS PBC */ | |
1773 | ret = 1; | |
1774 | } | |
1775 | } else if (eap_is_wps_pin_enrollee(&ssid->eap)) { | |
620c7837 | 1776 | wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE); |
a6099152 | 1777 | if (wps_ie && |
31fcea93 | 1778 | (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 1) || |
a6099152 | 1779 | wpa_s->scan_runs >= WPS_PIN_SCAN_IGNORE_SEL_REG)) { |
351f09a2 JM |
1780 | /* allow wildcard SSID for WPS PIN */ |
1781 | ret = 1; | |
1782 | } | |
1783 | } | |
1784 | ||
24c23d1b JM |
1785 | if (!ret && ssid->bssid_set && |
1786 | os_memcmp(ssid->bssid, bss->bssid, ETH_ALEN) == 0) { | |
1787 | /* allow wildcard SSID due to hardcoded BSSID match */ | |
1788 | ret = 1; | |
1789 | } | |
1790 | ||
54f489be JM |
1791 | #ifdef CONFIG_WPS_STRICT |
1792 | if (wps_ie) { | |
1793 | if (wps_validate_beacon_probe_resp(wps_ie, bss->beacon_ie_len > | |
ff28ccaf | 1794 | 0, bss->bssid) < 0) |
54f489be JM |
1795 | ret = 0; |
1796 | if (bss->beacon_ie_len) { | |
1797 | struct wpabuf *bcn_wps; | |
620c7837 | 1798 | bcn_wps = wpa_bss_get_vendor_ie_multi_beacon( |
54f489be JM |
1799 | bss, WPS_IE_VENDOR_TYPE); |
1800 | if (bcn_wps == NULL) { | |
1801 | wpa_printf(MSG_DEBUG, "WPS: Mandatory WPS IE " | |
1802 | "missing from AP Beacon"); | |
1803 | ret = 0; | |
1804 | } else { | |
1805 | if (wps_validate_beacon(wps_ie) < 0) | |
1806 | ret = 0; | |
1807 | wpabuf_free(bcn_wps); | |
1808 | } | |
1809 | } | |
1810 | } | |
1811 | #endif /* CONFIG_WPS_STRICT */ | |
1812 | ||
351f09a2 JM |
1813 | wpabuf_free(wps_ie); |
1814 | ||
1815 | return ret; | |
1816 | } | |
1817 | ||
1818 | ||
1819 | int wpas_wps_scan_pbc_overlap(struct wpa_supplicant *wpa_s, | |
6fa81a3b | 1820 | struct wpa_bss *selected, struct wpa_ssid *ssid) |
351f09a2 | 1821 | { |
e1dffa3b | 1822 | const u8 *sel_uuid; |
351f09a2 JM |
1823 | struct wpabuf *wps_ie; |
1824 | int ret = 0; | |
e1dffa3b | 1825 | size_t i; |
351f09a2 JM |
1826 | |
1827 | if (!eap_is_wps_pbc_enrollee(&ssid->eap)) | |
1828 | return 0; | |
1829 | ||
9647120b JM |
1830 | wpa_printf(MSG_DEBUG, "WPS: Check whether PBC session overlap is " |
1831 | "present in scan results; selected BSSID " MACSTR, | |
1832 | MAC2STR(selected->bssid)); | |
3fadb1dc JM |
1833 | if (!is_zero_ether_addr(ssid->bssid)) |
1834 | wpa_printf(MSG_DEBUG, | |
1835 | "WPS: Network profile limited to accept only a single BSSID " MACSTR, | |
1836 | MAC2STR(ssid->bssid)); | |
9647120b | 1837 | |
351f09a2 | 1838 | /* Make sure that only one AP is in active PBC mode */ |
6fa81a3b | 1839 | wps_ie = wpa_bss_get_vendor_ie_multi(selected, WPS_IE_VENDOR_TYPE); |
9647120b | 1840 | if (wps_ie) { |
351f09a2 | 1841 | sel_uuid = wps_get_uuid_e(wps_ie); |
9647120b JM |
1842 | wpa_hexdump(MSG_DEBUG, "WPS: UUID of the selected BSS", |
1843 | sel_uuid, UUID_LEN); | |
1844 | } else { | |
1845 | wpa_printf(MSG_DEBUG, "WPS: Selected BSS does not include " | |
1846 | "WPS IE?!"); | |
351f09a2 | 1847 | sel_uuid = NULL; |
9647120b | 1848 | } |
351f09a2 | 1849 | |
e1dffa3b AS |
1850 | for (i = 0; i < wpa_s->num_wps_ap; i++) { |
1851 | struct wps_ap_info *ap = &wpa_s->wps_ap[i]; | |
1852 | ||
1853 | if (!ap->pbc_active || | |
1854 | os_memcmp(selected->bssid, ap->bssid, ETH_ALEN) == 0) | |
351f09a2 | 1855 | continue; |
e1dffa3b | 1856 | |
3fadb1dc JM |
1857 | if (!is_zero_ether_addr(ssid->bssid) && |
1858 | os_memcmp(ap->bssid, ssid->bssid, ETH_ALEN) != 0) { | |
1859 | wpa_printf(MSG_DEBUG, "WPS: Ignore another BSS " MACSTR | |
1860 | " in active PBC mode due to local BSSID limitation", | |
1861 | MAC2STR(ap->bssid)); | |
1862 | continue; | |
1863 | } | |
1864 | ||
9647120b | 1865 | wpa_printf(MSG_DEBUG, "WPS: Another BSS in active PBC mode: " |
e1dffa3b | 1866 | MACSTR, MAC2STR(ap->bssid)); |
9647120b | 1867 | wpa_hexdump(MSG_DEBUG, "WPS: UUID of the other BSS", |
e1dffa3b AS |
1868 | ap->uuid, UUID_LEN); |
1869 | if (sel_uuid == NULL || | |
1870 | os_memcmp(sel_uuid, ap->uuid, UUID_LEN) != 0) { | |
351f09a2 | 1871 | ret = 1; /* PBC overlap */ |
9647120b JM |
1872 | wpa_msg(wpa_s, MSG_INFO, "WPS: PBC overlap detected: " |
1873 | MACSTR " and " MACSTR, | |
1874 | MAC2STR(selected->bssid), | |
e1dffa3b | 1875 | MAC2STR(ap->bssid)); |
351f09a2 JM |
1876 | break; |
1877 | } | |
1878 | ||
1879 | /* TODO: verify that this is reasonable dual-band situation */ | |
1880 | } | |
1881 | ||
1882 | wpabuf_free(wps_ie); | |
1883 | ||
1884 | return ret; | |
1885 | } | |
a524f05e JM |
1886 | |
1887 | ||
1888 | void wpas_wps_notify_scan_results(struct wpa_supplicant *wpa_s) | |
1889 | { | |
6fa81a3b | 1890 | struct wpa_bss *bss; |
6c6ad81f | 1891 | unsigned int pbc = 0, auth = 0, pin = 0, wps = 0; |
a524f05e JM |
1892 | |
1893 | if (wpa_s->disconnected || wpa_s->wpa_state >= WPA_ASSOCIATED) | |
1894 | return; | |
1895 | ||
6fa81a3b | 1896 | dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) { |
a524f05e | 1897 | struct wpabuf *ie; |
6fa81a3b | 1898 | ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE); |
a524f05e JM |
1899 | if (!ie) |
1900 | continue; | |
1901 | if (wps_is_selected_pbc_registrar(ie)) | |
6c6ad81f | 1902 | pbc++; |
31fcea93 | 1903 | else if (wps_is_addr_authorized(ie, wpa_s->own_addr, 0)) |
6c6ad81f | 1904 | auth++; |
a524f05e | 1905 | else if (wps_is_selected_pin_registrar(ie)) |
6c6ad81f | 1906 | pin++; |
a524f05e | 1907 | else |
6c6ad81f | 1908 | wps++; |
a524f05e | 1909 | wpabuf_free(ie); |
a524f05e | 1910 | } |
6c6ad81f JM |
1911 | |
1912 | if (pbc) | |
1913 | wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE_PBC); | |
1914 | else if (auth) | |
1915 | wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE_AUTH); | |
1916 | else if (pin) | |
1917 | wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE_PIN); | |
1918 | else if (wps) | |
1919 | wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE); | |
a524f05e | 1920 | } |
24c23d1b JM |
1921 | |
1922 | ||
1923 | int wpas_wps_searching(struct wpa_supplicant *wpa_s) | |
1924 | { | |
1925 | struct wpa_ssid *ssid; | |
1926 | ||
1927 | for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) { | |
1928 | if ((ssid->key_mgmt & WPA_KEY_MGMT_WPS) && !ssid->disabled) | |
1929 | return 1; | |
1930 | } | |
1931 | ||
1932 | return 0; | |
1933 | } | |
611ed491 JM |
1934 | |
1935 | ||
1936 | int wpas_wps_scan_result_text(const u8 *ies, size_t ies_len, char *buf, | |
1937 | char *end) | |
1938 | { | |
1939 | struct wpabuf *wps_ie; | |
1940 | int ret; | |
1941 | ||
1942 | wps_ie = ieee802_11_vendor_ie_concat(ies, ies_len, WPS_DEV_OUI_WFA); | |
1943 | if (wps_ie == NULL) | |
1944 | return 0; | |
1945 | ||
1946 | ret = wps_attr_text(wps_ie, buf, end); | |
1947 | wpabuf_free(wps_ie); | |
1948 | return ret; | |
1949 | } | |
e9bcfebf JM |
1950 | |
1951 | ||
08486685 | 1952 | int wpas_wps_er_start(struct wpa_supplicant *wpa_s, const char *filter) |
e9bcfebf JM |
1953 | { |
1954 | #ifdef CONFIG_WPS_ER | |
1955 | if (wpa_s->wps_er) { | |
b3f371ca | 1956 | wps_er_refresh(wpa_s->wps_er); |
e9bcfebf JM |
1957 | return 0; |
1958 | } | |
08486685 | 1959 | wpa_s->wps_er = wps_er_init(wpa_s->wps, wpa_s->ifname, filter); |
e9bcfebf JM |
1960 | if (wpa_s->wps_er == NULL) |
1961 | return -1; | |
1962 | return 0; | |
1963 | #else /* CONFIG_WPS_ER */ | |
1964 | return 0; | |
1965 | #endif /* CONFIG_WPS_ER */ | |
1966 | } | |
1967 | ||
1968 | ||
f77cedc1 | 1969 | void wpas_wps_er_stop(struct wpa_supplicant *wpa_s) |
e9bcfebf JM |
1970 | { |
1971 | #ifdef CONFIG_WPS_ER | |
1a1bf008 | 1972 | wps_er_deinit(wpa_s->wps_er, NULL, NULL); |
e9bcfebf JM |
1973 | wpa_s->wps_er = NULL; |
1974 | #endif /* CONFIG_WPS_ER */ | |
e9bcfebf | 1975 | } |
72df2f5f JM |
1976 | |
1977 | ||
1978 | #ifdef CONFIG_WPS_ER | |
31fcea93 JM |
1979 | int wpas_wps_er_add_pin(struct wpa_supplicant *wpa_s, const u8 *addr, |
1980 | const char *uuid, const char *pin) | |
72df2f5f JM |
1981 | { |
1982 | u8 u[UUID_LEN]; | |
e205401c JM |
1983 | const u8 *use_uuid = NULL; |
1984 | u8 addr_buf[ETH_ALEN]; | |
72df2f5f | 1985 | |
e205401c JM |
1986 | if (os_strcmp(uuid, "any") == 0) { |
1987 | } else if (uuid_str2bin(uuid, u) == 0) { | |
1988 | use_uuid = u; | |
1989 | } else if (hwaddr_aton(uuid, addr_buf) == 0) { | |
1990 | use_uuid = wps_er_get_sta_uuid(wpa_s->wps_er, addr_buf); | |
1991 | if (use_uuid == NULL) | |
1992 | return -1; | |
1993 | } else | |
72df2f5f | 1994 | return -1; |
31fcea93 | 1995 | return wps_registrar_add_pin(wpa_s->wps->registrar, addr, |
e205401c | 1996 | use_uuid, |
72df2f5f JM |
1997 | (const u8 *) pin, os_strlen(pin), 300); |
1998 | } | |
564cd7fa JM |
1999 | |
2000 | ||
2001 | int wpas_wps_er_pbc(struct wpa_supplicant *wpa_s, const char *uuid) | |
2002 | { | |
e205401c JM |
2003 | u8 u[UUID_LEN], *use_uuid = NULL; |
2004 | u8 addr[ETH_ALEN], *use_addr = NULL; | |
564cd7fa | 2005 | |
e205401c JM |
2006 | if (uuid_str2bin(uuid, u) == 0) |
2007 | use_uuid = u; | |
2008 | else if (hwaddr_aton(uuid, addr) == 0) | |
2009 | use_addr = addr; | |
2010 | else | |
564cd7fa | 2011 | return -1; |
e205401c | 2012 | return wps_er_pbc(wpa_s->wps_er, use_uuid, use_addr); |
564cd7fa | 2013 | } |
e64dcfd5 JM |
2014 | |
2015 | ||
2016 | int wpas_wps_er_learn(struct wpa_supplicant *wpa_s, const char *uuid, | |
2017 | const char *pin) | |
2018 | { | |
59307b30 JM |
2019 | u8 u[UUID_LEN], *use_uuid = NULL; |
2020 | u8 addr[ETH_ALEN], *use_addr = NULL; | |
e64dcfd5 | 2021 | |
59307b30 JM |
2022 | if (uuid_str2bin(uuid, u) == 0) |
2023 | use_uuid = u; | |
2024 | else if (hwaddr_aton(uuid, addr) == 0) | |
2025 | use_addr = addr; | |
2026 | else | |
e64dcfd5 | 2027 | return -1; |
59307b30 JM |
2028 | |
2029 | return wps_er_learn(wpa_s->wps_er, use_uuid, use_addr, (const u8 *) pin, | |
e64dcfd5 JM |
2030 | os_strlen(pin)); |
2031 | } | |
1a1bf008 JM |
2032 | |
2033 | ||
88c8bf31 JM |
2034 | static int wpas_wps_network_to_cred(struct wpa_ssid *ssid, |
2035 | struct wps_credential *cred) | |
2036 | { | |
2037 | os_memset(cred, 0, sizeof(*cred)); | |
d9d1b952 | 2038 | if (ssid->ssid_len > SSID_MAX_LEN) |
88c8bf31 JM |
2039 | return -1; |
2040 | os_memcpy(cred->ssid, ssid->ssid, ssid->ssid_len); | |
2041 | cred->ssid_len = ssid->ssid_len; | |
2042 | if (ssid->key_mgmt & WPA_KEY_MGMT_PSK) { | |
2043 | cred->auth_type = (ssid->proto & WPA_PROTO_RSN) ? | |
2044 | WPS_AUTH_WPA2PSK : WPS_AUTH_WPAPSK; | |
2045 | if (ssid->pairwise_cipher & WPA_CIPHER_CCMP) | |
2046 | cred->encr_type = WPS_ENCR_AES; | |
2047 | else | |
2048 | cred->encr_type = WPS_ENCR_TKIP; | |
2049 | if (ssid->passphrase) { | |
2050 | cred->key_len = os_strlen(ssid->passphrase); | |
2051 | if (cred->key_len >= 64) | |
2052 | return -1; | |
2053 | os_memcpy(cred->key, ssid->passphrase, cred->key_len); | |
2054 | } else if (ssid->psk_set) { | |
2055 | cred->key_len = 32; | |
2056 | os_memcpy(cred->key, ssid->psk, 32); | |
2057 | } else | |
2058 | return -1; | |
2059 | } else { | |
2060 | cred->auth_type = WPS_AUTH_OPEN; | |
2061 | cred->encr_type = WPS_ENCR_NONE; | |
2062 | } | |
2063 | ||
2064 | return 0; | |
2065 | } | |
2066 | ||
2067 | ||
ef10f473 JM |
2068 | int wpas_wps_er_set_config(struct wpa_supplicant *wpa_s, const char *uuid, |
2069 | int id) | |
2070 | { | |
59307b30 JM |
2071 | u8 u[UUID_LEN], *use_uuid = NULL; |
2072 | u8 addr[ETH_ALEN], *use_addr = NULL; | |
ef10f473 JM |
2073 | struct wpa_ssid *ssid; |
2074 | struct wps_credential cred; | |
f42df144 | 2075 | int ret; |
ef10f473 | 2076 | |
59307b30 JM |
2077 | if (uuid_str2bin(uuid, u) == 0) |
2078 | use_uuid = u; | |
2079 | else if (hwaddr_aton(uuid, addr) == 0) | |
2080 | use_addr = addr; | |
2081 | else | |
ef10f473 JM |
2082 | return -1; |
2083 | ssid = wpa_config_get_network(wpa_s->conf, id); | |
2084 | if (ssid == NULL || ssid->ssid == NULL) | |
2085 | return -1; | |
2086 | ||
88c8bf31 | 2087 | if (wpas_wps_network_to_cred(ssid, &cred) < 0) |
ef10f473 | 2088 | return -1; |
f42df144 JM |
2089 | ret = wps_er_set_config(wpa_s->wps_er, use_uuid, use_addr, &cred); |
2090 | os_memset(&cred, 0, sizeof(cred)); | |
2091 | return ret; | |
ef10f473 JM |
2092 | } |
2093 | ||
2094 | ||
7d6640a6 JM |
2095 | int wpas_wps_er_config(struct wpa_supplicant *wpa_s, const char *uuid, |
2096 | const char *pin, struct wps_new_ap_settings *settings) | |
2097 | { | |
59307b30 JM |
2098 | u8 u[UUID_LEN], *use_uuid = NULL; |
2099 | u8 addr[ETH_ALEN], *use_addr = NULL; | |
7d6640a6 JM |
2100 | struct wps_credential cred; |
2101 | size_t len; | |
2102 | ||
59307b30 JM |
2103 | if (uuid_str2bin(uuid, u) == 0) |
2104 | use_uuid = u; | |
2105 | else if (hwaddr_aton(uuid, addr) == 0) | |
2106 | use_addr = addr; | |
2107 | else | |
7d6640a6 JM |
2108 | return -1; |
2109 | if (settings->ssid_hex == NULL || settings->auth == NULL || | |
2110 | settings->encr == NULL || settings->key_hex == NULL) | |
2111 | return -1; | |
2112 | ||
2113 | os_memset(&cred, 0, sizeof(cred)); | |
2114 | len = os_strlen(settings->ssid_hex); | |
2115 | if ((len & 1) || len > 2 * sizeof(cred.ssid) || | |
2116 | hexstr2bin(settings->ssid_hex, cred.ssid, len / 2)) | |
2117 | return -1; | |
2118 | cred.ssid_len = len / 2; | |
2119 | ||
2120 | len = os_strlen(settings->key_hex); | |
2121 | if ((len & 1) || len > 2 * sizeof(cred.key) || | |
2122 | hexstr2bin(settings->key_hex, cred.key, len / 2)) | |
2123 | return -1; | |
2124 | cred.key_len = len / 2; | |
2125 | ||
2126 | if (os_strcmp(settings->auth, "OPEN") == 0) | |
2127 | cred.auth_type = WPS_AUTH_OPEN; | |
2128 | else if (os_strcmp(settings->auth, "WPAPSK") == 0) | |
2129 | cred.auth_type = WPS_AUTH_WPAPSK; | |
2130 | else if (os_strcmp(settings->auth, "WPA2PSK") == 0) | |
2131 | cred.auth_type = WPS_AUTH_WPA2PSK; | |
2132 | else | |
2133 | return -1; | |
2134 | ||
2135 | if (os_strcmp(settings->encr, "NONE") == 0) | |
2136 | cred.encr_type = WPS_ENCR_NONE; | |
dc390043 | 2137 | #ifdef CONFIG_TESTING_OPTIONS |
7d6640a6 JM |
2138 | else if (os_strcmp(settings->encr, "WEP") == 0) |
2139 | cred.encr_type = WPS_ENCR_WEP; | |
dc390043 | 2140 | #endif /* CONFIG_TESTING_OPTIONS */ |
7d6640a6 JM |
2141 | else if (os_strcmp(settings->encr, "TKIP") == 0) |
2142 | cred.encr_type = WPS_ENCR_TKIP; | |
2143 | else if (os_strcmp(settings->encr, "CCMP") == 0) | |
2144 | cred.encr_type = WPS_ENCR_AES; | |
2145 | else | |
2146 | return -1; | |
2147 | ||
59307b30 JM |
2148 | return wps_er_config(wpa_s->wps_er, use_uuid, use_addr, |
2149 | (const u8 *) pin, os_strlen(pin), &cred); | |
7d6640a6 JM |
2150 | } |
2151 | ||
2152 | ||
1cea09a9 JM |
2153 | #ifdef CONFIG_WPS_NFC |
2154 | struct wpabuf * wpas_wps_er_nfc_config_token(struct wpa_supplicant *wpa_s, | |
2155 | int ndef, const char *uuid) | |
2156 | { | |
2157 | struct wpabuf *ret; | |
59307b30 JM |
2158 | u8 u[UUID_LEN], *use_uuid = NULL; |
2159 | u8 addr[ETH_ALEN], *use_addr = NULL; | |
1cea09a9 JM |
2160 | |
2161 | if (!wpa_s->wps_er) | |
2162 | return NULL; | |
2163 | ||
59307b30 JM |
2164 | if (uuid_str2bin(uuid, u) == 0) |
2165 | use_uuid = u; | |
2166 | else if (hwaddr_aton(uuid, addr) == 0) | |
2167 | use_addr = addr; | |
2168 | else | |
1cea09a9 JM |
2169 | return NULL; |
2170 | ||
59307b30 | 2171 | ret = wps_er_nfc_config_token(wpa_s->wps_er, use_uuid, use_addr); |
1cea09a9 JM |
2172 | if (ndef && ret) { |
2173 | struct wpabuf *tmp; | |
2174 | tmp = ndef_build_wifi(ret); | |
2175 | wpabuf_free(ret); | |
2176 | if (tmp == NULL) | |
2177 | return NULL; | |
2178 | ret = tmp; | |
2179 | } | |
2180 | ||
2181 | return ret; | |
2182 | } | |
2183 | #endif /* CONFIG_WPS_NFC */ | |
2184 | ||
2185 | ||
4c9695be BG |
2186 | static int callbacks_pending = 0; |
2187 | ||
1a1bf008 JM |
2188 | static void wpas_wps_terminate_cb(void *ctx) |
2189 | { | |
2190 | wpa_printf(MSG_DEBUG, "WPS ER: Terminated"); | |
4c9695be BG |
2191 | if (--callbacks_pending <= 0) |
2192 | eloop_terminate(); | |
1a1bf008 JM |
2193 | } |
2194 | #endif /* CONFIG_WPS_ER */ | |
2195 | ||
2196 | ||
2197 | int wpas_wps_terminate_pending(struct wpa_supplicant *wpa_s) | |
2198 | { | |
2199 | #ifdef CONFIG_WPS_ER | |
2200 | if (wpa_s->wps_er) { | |
4c9695be | 2201 | callbacks_pending++; |
1a1bf008 JM |
2202 | wps_er_deinit(wpa_s->wps_er, wpas_wps_terminate_cb, wpa_s); |
2203 | wpa_s->wps_er = NULL; | |
2204 | return 1; | |
2205 | } | |
72df2f5f | 2206 | #endif /* CONFIG_WPS_ER */ |
1a1bf008 JM |
2207 | return 0; |
2208 | } | |
41e650ae JM |
2209 | |
2210 | ||
611aea7d JM |
2211 | void wpas_wps_update_config(struct wpa_supplicant *wpa_s) |
2212 | { | |
2213 | struct wps_context *wps = wpa_s->wps; | |
2214 | ||
2215 | if (wps == NULL) | |
2216 | return; | |
2217 | ||
2218 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_CONFIG_METHODS) { | |
2219 | wps->config_methods = wps_config_methods_str2bin( | |
2220 | wpa_s->conf->config_methods); | |
2221 | if ((wps->config_methods & | |
2222 | (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) == | |
2223 | (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) { | |
2224 | wpa_printf(MSG_ERROR, "WPS: Both Label and Display " | |
2225 | "config methods are not allowed at the " | |
2226 | "same time"); | |
2227 | wps->config_methods &= ~WPS_CONFIG_LABEL; | |
2228 | } | |
2229 | } | |
092acb54 | 2230 | wps->config_methods = wps_fix_config_methods(wps->config_methods); |
c8b245b6 | 2231 | wps->dev.config_methods = wps->config_methods; |
611aea7d | 2232 | |
2f646b6e JB |
2233 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_DEVICE_TYPE) |
2234 | os_memcpy(wps->dev.pri_dev_type, wpa_s->conf->device_type, | |
2235 | WPS_DEV_TYPE_LEN); | |
611aea7d | 2236 | |
a9e86bfb | 2237 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_SEC_DEVICE_TYPE) { |
2f646b6e JB |
2238 | wps->dev.num_sec_dev_types = wpa_s->conf->num_sec_device_types; |
2239 | os_memcpy(wps->dev.sec_dev_type, wpa_s->conf->sec_device_type, | |
2240 | wps->dev.num_sec_dev_types * WPS_DEV_TYPE_LEN); | |
a9e86bfb JMB |
2241 | } |
2242 | ||
71dd3b78 AS |
2243 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_VENDOR_EXTENSION) |
2244 | wpas_wps_set_vendor_ext_m1(wpa_s, wps); | |
2245 | ||
611aea7d JM |
2246 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_OS_VERSION) |
2247 | wps->dev.os_version = WPA_GET_BE32(wpa_s->conf->os_version); | |
2248 | ||
85a821d6 JM |
2249 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_UUID) |
2250 | wpas_wps_set_uuid(wpa_s, wps); | |
dcf788d1 | 2251 | |
1c9cb49f JM |
2252 | if (wpa_s->conf->changed_parameters & |
2253 | (CFG_CHANGED_DEVICE_NAME | CFG_CHANGED_WPS_STRING)) { | |
dcf788d1 JM |
2254 | /* Update pointers to make sure they refer current values */ |
2255 | wps->dev.device_name = wpa_s->conf->device_name; | |
2256 | wps->dev.manufacturer = wpa_s->conf->manufacturer; | |
2257 | wps->dev.model_name = wpa_s->conf->model_name; | |
2258 | wps->dev.model_number = wpa_s->conf->model_number; | |
2259 | wps->dev.serial_number = wpa_s->conf->serial_number; | |
2260 | } | |
611aea7d | 2261 | } |
3f2c8ba6 JM |
2262 | |
2263 | ||
8788a314 MK |
2264 | void wpas_wps_update_mac_addr(struct wpa_supplicant *wpa_s) |
2265 | { | |
2266 | struct wps_context *wps; | |
2267 | ||
2268 | wps = wpa_s->wps; | |
2269 | if (wps) | |
2270 | os_memcpy(wps->dev.mac_addr, wpa_s->own_addr, ETH_ALEN); | |
2271 | } | |
2272 | ||
2273 | ||
3f2c8ba6 JM |
2274 | #ifdef CONFIG_WPS_NFC |
2275 | ||
88c8bf31 JM |
2276 | #ifdef CONFIG_WPS_ER |
2277 | static struct wpabuf * | |
2278 | wpas_wps_network_config_token(struct wpa_supplicant *wpa_s, int ndef, | |
2279 | struct wpa_ssid *ssid) | |
2280 | { | |
2281 | struct wpabuf *ret; | |
2282 | struct wps_credential cred; | |
2283 | ||
2284 | if (wpas_wps_network_to_cred(ssid, &cred) < 0) | |
2285 | return NULL; | |
2286 | ||
2287 | ret = wps_er_config_token_from_cred(wpa_s->wps, &cred); | |
2288 | ||
2289 | if (ndef && ret) { | |
2290 | struct wpabuf *tmp; | |
2291 | tmp = ndef_build_wifi(ret); | |
2292 | wpabuf_free(ret); | |
2293 | if (tmp == NULL) | |
2294 | return NULL; | |
2295 | ret = tmp; | |
2296 | } | |
2297 | ||
2298 | return ret; | |
2299 | } | |
2300 | #endif /* CONFIG_WPS_ER */ | |
2301 | ||
2302 | ||
bbf41865 | 2303 | struct wpabuf * wpas_wps_nfc_config_token(struct wpa_supplicant *wpa_s, |
88c8bf31 | 2304 | int ndef, const char *id_str) |
bbf41865 | 2305 | { |
88c8bf31 JM |
2306 | #ifdef CONFIG_WPS_ER |
2307 | if (id_str) { | |
2308 | int id; | |
2309 | char *end = NULL; | |
2310 | struct wpa_ssid *ssid; | |
2311 | ||
2312 | id = strtol(id_str, &end, 10); | |
2313 | if (end && *end) | |
2314 | return NULL; | |
2315 | ||
2316 | ssid = wpa_config_get_network(wpa_s->conf, id); | |
2317 | if (ssid == NULL) | |
2318 | return NULL; | |
2319 | return wpas_wps_network_config_token(wpa_s, ndef, ssid); | |
2320 | } | |
2321 | #endif /* CONFIG_WPS_ER */ | |
bbf41865 JM |
2322 | #ifdef CONFIG_AP |
2323 | if (wpa_s->ap_iface) | |
2324 | return wpas_ap_wps_nfc_config_token(wpa_s, ndef); | |
2325 | #endif /* CONFIG_AP */ | |
2326 | return NULL; | |
2327 | } | |
2328 | ||
2329 | ||
3f2c8ba6 JM |
2330 | struct wpabuf * wpas_wps_nfc_token(struct wpa_supplicant *wpa_s, int ndef) |
2331 | { | |
042ec551 JM |
2332 | if (wpa_s->conf->wps_nfc_pw_from_config) { |
2333 | return wps_nfc_token_build(ndef, | |
2334 | wpa_s->conf->wps_nfc_dev_pw_id, | |
2335 | wpa_s->conf->wps_nfc_dh_pubkey, | |
2336 | wpa_s->conf->wps_nfc_dev_pw); | |
2337 | } | |
2338 | ||
bfc62fe1 JM |
2339 | return wps_nfc_token_gen(ndef, &wpa_s->conf->wps_nfc_dev_pw_id, |
2340 | &wpa_s->conf->wps_nfc_dh_pubkey, | |
2341 | &wpa_s->conf->wps_nfc_dh_privkey, | |
2342 | &wpa_s->conf->wps_nfc_dev_pw); | |
3f2c8ba6 JM |
2343 | } |
2344 | ||
2345 | ||
23318bea JM |
2346 | int wpas_wps_start_nfc(struct wpa_supplicant *wpa_s, const u8 *go_dev_addr, |
2347 | const u8 *bssid, | |
5f454557 | 2348 | const struct wpabuf *dev_pw, u16 dev_pw_id, |
57630e65 | 2349 | int p2p_group, const u8 *peer_pubkey_hash, |
91a65018 | 2350 | const u8 *ssid, size_t ssid_len, int freq) |
3f2c8ba6 JM |
2351 | { |
2352 | struct wps_context *wps = wpa_s->wps; | |
2353 | char pw[32 * 2 + 1]; | |
2354 | ||
fa4c2988 | 2355 | if (dev_pw_id != DEV_PW_NFC_CONNECTION_HANDOVER && dev_pw == NULL) { |
5f454557 JM |
2356 | dev_pw = wpa_s->conf->wps_nfc_dev_pw; |
2357 | dev_pw_id = wpa_s->conf->wps_nfc_dev_pw_id; | |
2358 | } | |
2359 | ||
3f2c8ba6 | 2360 | if (wpa_s->conf->wps_nfc_dh_pubkey == NULL || |
fa4c2988 JM |
2361 | wpa_s->conf->wps_nfc_dh_privkey == NULL) { |
2362 | wpa_printf(MSG_DEBUG, "WPS: Missing DH params - " | |
2363 | "cannot start NFC-triggered connection"); | |
2364 | return -1; | |
2365 | } | |
2366 | ||
2367 | if (dev_pw_id != DEV_PW_NFC_CONNECTION_HANDOVER && dev_pw == NULL) { | |
2368 | wpa_printf(MSG_DEBUG, "WPS: Missing Device Password (id=%u) - " | |
2369 | "cannot start NFC-triggered connection", dev_pw_id); | |
3f2c8ba6 | 2370 | return -1; |
fa4c2988 | 2371 | } |
3f2c8ba6 JM |
2372 | |
2373 | dh5_free(wps->dh_ctx); | |
2374 | wpabuf_free(wps->dh_pubkey); | |
2375 | wpabuf_free(wps->dh_privkey); | |
2376 | wps->dh_privkey = wpabuf_dup(wpa_s->conf->wps_nfc_dh_privkey); | |
2377 | wps->dh_pubkey = wpabuf_dup(wpa_s->conf->wps_nfc_dh_pubkey); | |
2378 | if (wps->dh_privkey == NULL || wps->dh_pubkey == NULL) { | |
2379 | wps->dh_ctx = NULL; | |
2380 | wpabuf_free(wps->dh_pubkey); | |
2381 | wps->dh_pubkey = NULL; | |
2382 | wpabuf_free(wps->dh_privkey); | |
2383 | wps->dh_privkey = NULL; | |
fa4c2988 | 2384 | wpa_printf(MSG_DEBUG, "WPS: Failed to get DH priv/pub key"); |
3f2c8ba6 JM |
2385 | return -1; |
2386 | } | |
2387 | wps->dh_ctx = dh5_init_fixed(wps->dh_privkey, wps->dh_pubkey); | |
5c9d63d4 JM |
2388 | if (wps->dh_ctx == NULL) { |
2389 | wpabuf_free(wps->dh_pubkey); | |
2390 | wps->dh_pubkey = NULL; | |
2391 | wpabuf_free(wps->dh_privkey); | |
2392 | wps->dh_privkey = NULL; | |
fa4c2988 | 2393 | wpa_printf(MSG_DEBUG, "WPS: Failed to initialize DH context"); |
3f2c8ba6 | 2394 | return -1; |
5c9d63d4 | 2395 | } |
3f2c8ba6 | 2396 | |
fa4c2988 JM |
2397 | if (dev_pw) { |
2398 | wpa_snprintf_hex_uppercase(pw, sizeof(pw), | |
2399 | wpabuf_head(dev_pw), | |
2400 | wpabuf_len(dev_pw)); | |
2401 | } | |
23318bea JM |
2402 | return wpas_wps_start_dev_pw(wpa_s, go_dev_addr, bssid, |
2403 | dev_pw ? pw : NULL, | |
fa4c2988 | 2404 | p2p_group, dev_pw_id, peer_pubkey_hash, |
91a65018 | 2405 | ssid, ssid_len, freq); |
3f2c8ba6 JM |
2406 | } |
2407 | ||
d7645d23 JM |
2408 | |
2409 | static int wpas_wps_use_cred(struct wpa_supplicant *wpa_s, | |
2410 | struct wps_parse_attr *attr) | |
2411 | { | |
170f5663 JM |
2412 | /* |
2413 | * Disable existing networks temporarily to allow the newly learned | |
2414 | * credential to be preferred. Enable the temporarily disabled networks | |
2415 | * after 10 seconds. | |
2416 | */ | |
2417 | wpas_wps_temp_disable(wpa_s, NULL); | |
2418 | eloop_register_timeout(10, 0, wpas_wps_reenable_networks_cb, wpa_s, | |
2419 | NULL); | |
2420 | ||
d7645d23 JM |
2421 | if (wps_oob_use_cred(wpa_s->wps, attr) < 0) |
2422 | return -1; | |
2423 | ||
2424 | if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) | |
2425 | return 0; | |
2426 | ||
0b5ff2ae JM |
2427 | if (attr->ap_channel) { |
2428 | u16 chan = WPA_GET_BE16(attr->ap_channel); | |
bd3a3737 JM |
2429 | int freq = 0; |
2430 | ||
2431 | if (chan >= 1 && chan <= 13) | |
2432 | freq = 2407 + 5 * chan; | |
2433 | else if (chan == 14) | |
2434 | freq = 2484; | |
2435 | else if (chan >= 30) | |
2436 | freq = 5000 + 5 * chan; | |
2437 | ||
2438 | if (freq) { | |
0b5ff2ae JM |
2439 | wpa_printf(MSG_DEBUG, "WPS: Credential container indicated AP channel %u -> %u MHz", |
2440 | chan, freq); | |
bd3a3737 JM |
2441 | wpa_s->after_wps = 5; |
2442 | wpa_s->wps_freq = freq; | |
2443 | } | |
2444 | } | |
0b5ff2ae JM |
2445 | |
2446 | wpa_printf(MSG_DEBUG, "WPS: Request reconnection with new network " | |
2447 | "based on the received credential added"); | |
2448 | wpa_s->normal_scans = 0; | |
2449 | wpa_supplicant_reinit_autoscan(wpa_s); | |
d7645d23 JM |
2450 | wpa_s->disconnected = 0; |
2451 | wpa_s->reassociate = 1; | |
7e910b7b JJ |
2452 | |
2453 | wpa_supplicant_cancel_sched_scan(wpa_s); | |
d7645d23 JM |
2454 | wpa_supplicant_req_scan(wpa_s, 0, 0); |
2455 | ||
2456 | return 0; | |
2457 | } | |
2458 | ||
2459 | ||
6df865fa | 2460 | #ifdef CONFIG_WPS_ER |
e6ea2a45 JM |
2461 | static int wpas_wps_add_nfc_password_token(struct wpa_supplicant *wpa_s, |
2462 | struct wps_parse_attr *attr) | |
2463 | { | |
e6ea2a45 JM |
2464 | return wps_registrar_add_nfc_password_token( |
2465 | wpa_s->wps->registrar, attr->oob_dev_password, | |
2466 | attr->oob_dev_password_len); | |
2467 | } | |
6df865fa | 2468 | #endif /* CONFIG_WPS_ER */ |
e6ea2a45 JM |
2469 | |
2470 | ||
d7645d23 JM |
2471 | static int wpas_wps_nfc_tag_process(struct wpa_supplicant *wpa_s, |
2472 | const struct wpabuf *wps) | |
2473 | { | |
2474 | struct wps_parse_attr attr; | |
2475 | ||
2476 | wpa_hexdump_buf(MSG_DEBUG, "WPS: Received NFC tag payload", wps); | |
2477 | ||
2478 | if (wps_parse_msg(wps, &attr)) { | |
2479 | wpa_printf(MSG_DEBUG, "WPS: Ignore invalid data from NFC tag"); | |
2480 | return -1; | |
2481 | } | |
2482 | ||
2483 | if (attr.num_cred) | |
2484 | return wpas_wps_use_cred(wpa_s, &attr); | |
2485 | ||
e6ea2a45 JM |
2486 | #ifdef CONFIG_WPS_ER |
2487 | if (attr.oob_dev_password) | |
2488 | return wpas_wps_add_nfc_password_token(wpa_s, &attr); | |
2489 | #endif /* CONFIG_WPS_ER */ | |
2490 | ||
d7645d23 JM |
2491 | wpa_printf(MSG_DEBUG, "WPS: Ignore unrecognized NFC tag"); |
2492 | return -1; | |
2493 | } | |
2494 | ||
2495 | ||
2496 | int wpas_wps_nfc_tag_read(struct wpa_supplicant *wpa_s, | |
b56f6c88 | 2497 | const struct wpabuf *data, int forced_freq) |
d7645d23 JM |
2498 | { |
2499 | const struct wpabuf *wps = data; | |
2500 | struct wpabuf *tmp = NULL; | |
2501 | int ret; | |
2502 | ||
2503 | if (wpabuf_len(data) < 4) | |
2504 | return -1; | |
2505 | ||
2506 | if (*wpabuf_head_u8(data) != 0x10) { | |
2507 | /* Assume this contains full NDEF record */ | |
2508 | tmp = ndef_parse_wifi(data); | |
2509 | if (tmp == NULL) { | |
dd37a938 JM |
2510 | #ifdef CONFIG_P2P |
2511 | tmp = ndef_parse_p2p(data); | |
2512 | if (tmp) { | |
b56f6c88 JM |
2513 | ret = wpas_p2p_nfc_tag_process(wpa_s, tmp, |
2514 | forced_freq); | |
dd37a938 JM |
2515 | wpabuf_free(tmp); |
2516 | return ret; | |
2517 | } | |
2518 | #endif /* CONFIG_P2P */ | |
d7645d23 JM |
2519 | wpa_printf(MSG_DEBUG, "WPS: Could not parse NDEF"); |
2520 | return -1; | |
2521 | } | |
2522 | wps = tmp; | |
2523 | } | |
2524 | ||
2525 | ret = wpas_wps_nfc_tag_process(wpa_s, wps); | |
2526 | wpabuf_free(tmp); | |
2527 | return ret; | |
2528 | } | |
2529 | ||
e65552dd | 2530 | |
41f9ffb6 JM |
2531 | struct wpabuf * wpas_wps_nfc_handover_req(struct wpa_supplicant *wpa_s, |
2532 | int ndef) | |
e65552dd | 2533 | { |
41f9ffb6 JM |
2534 | struct wpabuf *ret; |
2535 | ||
2536 | if (wpa_s->conf->wps_nfc_dh_pubkey == NULL && | |
2537 | wps_nfc_gen_dh(&wpa_s->conf->wps_nfc_dh_pubkey, | |
2538 | &wpa_s->conf->wps_nfc_dh_privkey) < 0) | |
2539 | return NULL; | |
2540 | ||
2541 | ret = wps_build_nfc_handover_req(wpa_s->wps, | |
2542 | wpa_s->conf->wps_nfc_dh_pubkey); | |
2543 | ||
2544 | if (ndef && ret) { | |
2545 | struct wpabuf *tmp; | |
2546 | tmp = ndef_build_wifi(ret); | |
2547 | wpabuf_free(ret); | |
2548 | if (tmp == NULL) | |
2549 | return NULL; | |
2550 | ret = tmp; | |
2551 | } | |
2552 | ||
2553 | return ret; | |
e65552dd JM |
2554 | } |
2555 | ||
2556 | ||
f3f2ba2e | 2557 | #ifdef CONFIG_WPS_NFC |
50d1f890 | 2558 | |
c5838683 JM |
2559 | static struct wpabuf * |
2560 | wpas_wps_er_nfc_handover_sel(struct wpa_supplicant *wpa_s, int ndef, | |
2561 | const char *uuid) | |
f3f2ba2e | 2562 | { |
94d7acf3 | 2563 | #ifdef CONFIG_WPS_ER |
f3f2ba2e | 2564 | struct wpabuf *ret; |
59307b30 JM |
2565 | u8 u[UUID_LEN], *use_uuid = NULL; |
2566 | u8 addr[ETH_ALEN], *use_addr = NULL; | |
d4b4d7fe | 2567 | struct wps_context *wps = wpa_s->wps; |
f3f2ba2e | 2568 | |
d4b4d7fe | 2569 | if (wps == NULL) |
f3f2ba2e JM |
2570 | return NULL; |
2571 | ||
59307b30 JM |
2572 | if (uuid == NULL) |
2573 | return NULL; | |
2574 | if (uuid_str2bin(uuid, u) == 0) | |
2575 | use_uuid = u; | |
2576 | else if (hwaddr_aton(uuid, addr) == 0) | |
2577 | use_addr = addr; | |
2578 | else | |
f3f2ba2e JM |
2579 | return NULL; |
2580 | ||
50d1f890 | 2581 | if (wpa_s->conf->wps_nfc_dh_pubkey == NULL) { |
50d1f890 JM |
2582 | if (wps_nfc_gen_dh(&wpa_s->conf->wps_nfc_dh_pubkey, |
2583 | &wpa_s->conf->wps_nfc_dh_privkey) < 0) | |
2584 | return NULL; | |
d4b4d7fe | 2585 | } |
50d1f890 | 2586 | |
d4b4d7fe JM |
2587 | wpas_wps_nfc_clear(wps); |
2588 | wps->ap_nfc_dev_pw_id = DEV_PW_NFC_CONNECTION_HANDOVER; | |
2589 | wps->ap_nfc_dh_pubkey = wpabuf_dup(wpa_s->conf->wps_nfc_dh_pubkey); | |
2590 | wps->ap_nfc_dh_privkey = wpabuf_dup(wpa_s->conf->wps_nfc_dh_privkey); | |
2591 | if (!wps->ap_nfc_dh_pubkey || !wps->ap_nfc_dh_privkey) { | |
50d1f890 | 2592 | wpas_wps_nfc_clear(wps); |
d4b4d7fe | 2593 | return NULL; |
50d1f890 JM |
2594 | } |
2595 | ||
2596 | ret = wps_er_nfc_handover_sel(wpa_s->wps_er, wpa_s->wps, use_uuid, | |
2597 | use_addr, wpa_s->conf->wps_nfc_dh_pubkey); | |
f3f2ba2e JM |
2598 | if (ndef && ret) { |
2599 | struct wpabuf *tmp; | |
2600 | tmp = ndef_build_wifi(ret); | |
2601 | wpabuf_free(ret); | |
2602 | if (tmp == NULL) | |
2603 | return NULL; | |
2604 | ret = tmp; | |
2605 | } | |
2606 | ||
2607 | return ret; | |
94d7acf3 JM |
2608 | #else /* CONFIG_WPS_ER */ |
2609 | return NULL; | |
2610 | #endif /* CONFIG_WPS_ER */ | |
f3f2ba2e JM |
2611 | } |
2612 | #endif /* CONFIG_WPS_NFC */ | |
2613 | ||
2614 | ||
5ab9a6a5 | 2615 | struct wpabuf * wpas_wps_nfc_handover_sel(struct wpa_supplicant *wpa_s, |
f3f2ba2e | 2616 | int ndef, int cr, const char *uuid) |
e65552dd | 2617 | { |
f3f2ba2e | 2618 | struct wpabuf *ret; |
5ab9a6a5 JM |
2619 | if (!cr) |
2620 | return NULL; | |
f3f2ba2e JM |
2621 | ret = wpas_ap_wps_nfc_handover_sel(wpa_s, ndef); |
2622 | if (ret) | |
2623 | return ret; | |
2624 | return wpas_wps_er_nfc_handover_sel(wpa_s, ndef, uuid); | |
e65552dd JM |
2625 | } |
2626 | ||
2627 | ||
679f2e7c JM |
2628 | static int wpas_wps_nfc_rx_handover_sel(struct wpa_supplicant *wpa_s, |
2629 | const struct wpabuf *data) | |
e65552dd JM |
2630 | { |
2631 | struct wpabuf *wps; | |
fa4c2988 JM |
2632 | int ret = -1; |
2633 | u16 wsc_len; | |
2634 | const u8 *pos; | |
2635 | struct wpabuf msg; | |
2636 | struct wps_parse_attr attr; | |
2637 | u16 dev_pw_id; | |
91a65018 JM |
2638 | const u8 *bssid = NULL; |
2639 | int freq = 0; | |
e65552dd JM |
2640 | |
2641 | wps = ndef_parse_wifi(data); | |
2642 | if (wps == NULL) | |
2643 | return -1; | |
2644 | wpa_printf(MSG_DEBUG, "WPS: Received application/vnd.wfa.wsc " | |
2645 | "payload from NFC connection handover"); | |
fa4c2988 JM |
2646 | wpa_hexdump_buf(MSG_DEBUG, "WPS: NFC payload", wps); |
2647 | if (wpabuf_len(wps) < 2) { | |
2648 | wpa_printf(MSG_DEBUG, "WPS: Too short Wi-Fi Handover Select " | |
2649 | "Message"); | |
2650 | goto out; | |
2651 | } | |
2652 | pos = wpabuf_head(wps); | |
2653 | wsc_len = WPA_GET_BE16(pos); | |
2654 | if (wsc_len > wpabuf_len(wps) - 2) { | |
2655 | wpa_printf(MSG_DEBUG, "WPS: Invalid WSC attribute length (%u) " | |
2656 | "in Wi-Fi Handover Select Message", wsc_len); | |
2657 | goto out; | |
2658 | } | |
2659 | pos += 2; | |
2660 | ||
2661 | wpa_hexdump(MSG_DEBUG, | |
2662 | "WPS: WSC attributes in Wi-Fi Handover Select Message", | |
2663 | pos, wsc_len); | |
2664 | if (wsc_len < wpabuf_len(wps) - 2) { | |
2665 | wpa_hexdump(MSG_DEBUG, | |
2666 | "WPS: Ignore extra data after WSC attributes", | |
2667 | pos + wsc_len, wpabuf_len(wps) - 2 - wsc_len); | |
2668 | } | |
2669 | ||
2670 | wpabuf_set(&msg, pos, wsc_len); | |
2671 | ret = wps_parse_msg(&msg, &attr); | |
2672 | if (ret < 0) { | |
2673 | wpa_printf(MSG_DEBUG, "WPS: Could not parse WSC attributes in " | |
2674 | "Wi-Fi Handover Select Message"); | |
2675 | goto out; | |
2676 | } | |
2677 | ||
2678 | if (attr.oob_dev_password == NULL || | |
2679 | attr.oob_dev_password_len < WPS_OOB_PUBKEY_HASH_LEN + 2) { | |
2680 | wpa_printf(MSG_DEBUG, "WPS: No Out-of-Band Device Password " | |
2681 | "included in Wi-Fi Handover Select Message"); | |
2682 | ret = -1; | |
2683 | goto out; | |
2684 | } | |
2685 | ||
2686 | if (attr.ssid == NULL) { | |
2687 | wpa_printf(MSG_DEBUG, "WPS: No SSID included in Wi-Fi Handover " | |
2688 | "Select Message"); | |
2689 | ret = -1; | |
2690 | goto out; | |
2691 | } | |
2692 | ||
2693 | wpa_hexdump_ascii(MSG_DEBUG, "WPS: SSID", attr.ssid, attr.ssid_len); | |
2694 | ||
91a65018 JM |
2695 | if (attr.mac_addr) { |
2696 | bssid = attr.mac_addr; | |
2697 | wpa_printf(MSG_DEBUG, "WPS: MAC Address (BSSID): " MACSTR, | |
2698 | MAC2STR(bssid)); | |
2699 | } | |
2700 | ||
2701 | if (attr.rf_bands) | |
2702 | wpa_printf(MSG_DEBUG, "WPS: RF Bands: %d", *attr.rf_bands); | |
2703 | ||
2704 | if (attr.ap_channel) { | |
2705 | u16 chan = WPA_GET_BE16(attr.ap_channel); | |
2706 | ||
2707 | wpa_printf(MSG_DEBUG, "WPS: AP Channel: %d", chan); | |
2708 | ||
2709 | if (chan >= 1 && chan <= 13 && | |
2710 | (attr.rf_bands == NULL || *attr.rf_bands & WPS_RF_24GHZ)) | |
2711 | freq = 2407 + 5 * chan; | |
2712 | else if (chan == 14 && | |
2713 | (attr.rf_bands == NULL || | |
2714 | *attr.rf_bands & WPS_RF_24GHZ)) | |
2715 | freq = 2484; | |
2716 | else if (chan >= 30 && | |
2717 | (attr.rf_bands == NULL || | |
2718 | *attr.rf_bands & WPS_RF_50GHZ)) | |
2719 | freq = 5000 + 5 * chan; | |
dc6c3be4 | 2720 | else if (chan >= 1 && chan <= 6 && |
01a02593 HK |
2721 | (attr.rf_bands == NULL || |
2722 | *attr.rf_bands & WPS_RF_60GHZ)) | |
2723 | freq = 56160 + 2160 * chan; | |
91a65018 JM |
2724 | |
2725 | if (freq) { | |
2726 | wpa_printf(MSG_DEBUG, | |
2727 | "WPS: AP indicated channel %u -> %u MHz", | |
2728 | chan, freq); | |
2729 | } | |
2730 | } | |
2731 | ||
fa4c2988 JM |
2732 | wpa_hexdump(MSG_DEBUG, "WPS: Out-of-Band Device Password", |
2733 | attr.oob_dev_password, attr.oob_dev_password_len); | |
2734 | dev_pw_id = WPA_GET_BE16(attr.oob_dev_password + | |
2735 | WPS_OOB_PUBKEY_HASH_LEN); | |
2736 | if (dev_pw_id != DEV_PW_NFC_CONNECTION_HANDOVER) { | |
2737 | wpa_printf(MSG_DEBUG, "WPS: Unexpected OOB Device Password ID " | |
2738 | "%u in Wi-Fi Handover Select Message", dev_pw_id); | |
2739 | ret = -1; | |
2740 | goto out; | |
2741 | } | |
2742 | wpa_hexdump(MSG_DEBUG, "WPS: AP Public Key hash", | |
2743 | attr.oob_dev_password, WPS_OOB_PUBKEY_HASH_LEN); | |
2744 | ||
91a65018 | 2745 | ret = wpas_wps_start_nfc(wpa_s, NULL, bssid, NULL, dev_pw_id, 0, |
fa4c2988 | 2746 | attr.oob_dev_password, |
91a65018 | 2747 | attr.ssid, attr.ssid_len, freq); |
fa4c2988 JM |
2748 | |
2749 | out: | |
e65552dd | 2750 | wpabuf_free(wps); |
e65552dd JM |
2751 | return ret; |
2752 | } | |
2753 | ||
e4758827 JM |
2754 | |
2755 | int wpas_wps_nfc_report_handover(struct wpa_supplicant *wpa_s, | |
2756 | const struct wpabuf *req, | |
2757 | const struct wpabuf *sel) | |
2758 | { | |
2759 | wpa_printf(MSG_DEBUG, "NFC: WPS connection handover reported"); | |
2760 | wpa_hexdump_buf_key(MSG_DEBUG, "WPS: Carrier record in request", req); | |
2761 | wpa_hexdump_buf_key(MSG_DEBUG, "WPS: Carrier record in select", sel); | |
2762 | return wpas_wps_nfc_rx_handover_sel(wpa_s, sel); | |
2763 | } | |
2764 | ||
50d1f890 JM |
2765 | |
2766 | int wpas_er_wps_nfc_report_handover(struct wpa_supplicant *wpa_s, | |
2767 | const struct wpabuf *req, | |
2768 | const struct wpabuf *sel) | |
2769 | { | |
2770 | struct wpabuf *wps; | |
2771 | int ret = -1; | |
2772 | u16 wsc_len; | |
2773 | const u8 *pos; | |
2774 | struct wpabuf msg; | |
2775 | struct wps_parse_attr attr; | |
2776 | u16 dev_pw_id; | |
2777 | ||
2778 | /* | |
2779 | * Enrollee/station is always initiator of the NFC connection handover, | |
2780 | * so use the request message here to find Enrollee public key hash. | |
2781 | */ | |
2782 | wps = ndef_parse_wifi(req); | |
2783 | if (wps == NULL) | |
2784 | return -1; | |
2785 | wpa_printf(MSG_DEBUG, "WPS: Received application/vnd.wfa.wsc " | |
2786 | "payload from NFC connection handover"); | |
2787 | wpa_hexdump_buf(MSG_DEBUG, "WPS: NFC payload", wps); | |
2788 | if (wpabuf_len(wps) < 2) { | |
2789 | wpa_printf(MSG_DEBUG, "WPS: Too short Wi-Fi Handover Request " | |
2790 | "Message"); | |
2791 | goto out; | |
2792 | } | |
2793 | pos = wpabuf_head(wps); | |
2794 | wsc_len = WPA_GET_BE16(pos); | |
2795 | if (wsc_len > wpabuf_len(wps) - 2) { | |
2796 | wpa_printf(MSG_DEBUG, "WPS: Invalid WSC attribute length (%u) " | |
2797 | "in rt Wi-Fi Handover Request Message", wsc_len); | |
2798 | goto out; | |
2799 | } | |
2800 | pos += 2; | |
2801 | ||
2802 | wpa_hexdump(MSG_DEBUG, | |
2803 | "WPS: WSC attributes in Wi-Fi Handover Request Message", | |
2804 | pos, wsc_len); | |
2805 | if (wsc_len < wpabuf_len(wps) - 2) { | |
2806 | wpa_hexdump(MSG_DEBUG, | |
2807 | "WPS: Ignore extra data after WSC attributes", | |
2808 | pos + wsc_len, wpabuf_len(wps) - 2 - wsc_len); | |
2809 | } | |
2810 | ||
2811 | wpabuf_set(&msg, pos, wsc_len); | |
2812 | ret = wps_parse_msg(&msg, &attr); | |
2813 | if (ret < 0) { | |
2814 | wpa_printf(MSG_DEBUG, "WPS: Could not parse WSC attributes in " | |
2815 | "Wi-Fi Handover Request Message"); | |
2816 | goto out; | |
2817 | } | |
2818 | ||
2819 | if (attr.oob_dev_password == NULL || | |
2820 | attr.oob_dev_password_len < WPS_OOB_PUBKEY_HASH_LEN + 2) { | |
2821 | wpa_printf(MSG_DEBUG, "WPS: No Out-of-Band Device Password " | |
2822 | "included in Wi-Fi Handover Request Message"); | |
2823 | ret = -1; | |
2824 | goto out; | |
2825 | } | |
2826 | ||
2827 | if (attr.uuid_e == NULL) { | |
2828 | wpa_printf(MSG_DEBUG, "WPS: No UUID-E included in Wi-Fi " | |
2829 | "Handover Request Message"); | |
2830 | ret = -1; | |
2831 | goto out; | |
2832 | } | |
2833 | ||
2834 | wpa_hexdump(MSG_DEBUG, "WPS: UUID-E", attr.uuid_e, WPS_UUID_LEN); | |
2835 | ||
2836 | wpa_hexdump(MSG_DEBUG, "WPS: Out-of-Band Device Password", | |
2837 | attr.oob_dev_password, attr.oob_dev_password_len); | |
2838 | dev_pw_id = WPA_GET_BE16(attr.oob_dev_password + | |
2839 | WPS_OOB_PUBKEY_HASH_LEN); | |
2840 | if (dev_pw_id != DEV_PW_NFC_CONNECTION_HANDOVER) { | |
2841 | wpa_printf(MSG_DEBUG, "WPS: Unexpected OOB Device Password ID " | |
2842 | "%u in Wi-Fi Handover Request Message", dev_pw_id); | |
2843 | ret = -1; | |
2844 | goto out; | |
2845 | } | |
2846 | wpa_hexdump(MSG_DEBUG, "WPS: Enrollee Public Key hash", | |
2847 | attr.oob_dev_password, WPS_OOB_PUBKEY_HASH_LEN); | |
2848 | ||
2849 | ret = wps_registrar_add_nfc_pw_token(wpa_s->wps->registrar, | |
2850 | attr.oob_dev_password, | |
2851 | DEV_PW_NFC_CONNECTION_HANDOVER, | |
2852 | NULL, 0, 1); | |
2853 | ||
2854 | out: | |
2855 | wpabuf_free(wps); | |
2856 | return ret; | |
2857 | } | |
2858 | ||
3f2c8ba6 | 2859 | #endif /* CONFIG_WPS_NFC */ |
f9f0526b JM |
2860 | |
2861 | ||
f9f0526b JM |
2862 | static void wpas_wps_dump_ap_info(struct wpa_supplicant *wpa_s) |
2863 | { | |
2864 | size_t i; | |
51bffab1 | 2865 | struct os_reltime now; |
f9f0526b JM |
2866 | |
2867 | if (wpa_debug_level > MSG_DEBUG) | |
2868 | return; | |
2869 | ||
2870 | if (wpa_s->wps_ap == NULL) | |
2871 | return; | |
2872 | ||
51bffab1 | 2873 | os_get_reltime(&now); |
f9f0526b JM |
2874 | |
2875 | for (i = 0; i < wpa_s->num_wps_ap; i++) { | |
2876 | struct wps_ap_info *ap = &wpa_s->wps_ap[i]; | |
2877 | struct wpa_blacklist *e = wpa_blacklist_get(wpa_s, ap->bssid); | |
2878 | ||
2879 | wpa_printf(MSG_DEBUG, "WPS: AP[%d] " MACSTR " type=%d " | |
2880 | "tries=%d last_attempt=%d sec ago blacklist=%d", | |
2881 | (int) i, MAC2STR(ap->bssid), ap->type, ap->tries, | |
2882 | ap->last_attempt.sec > 0 ? | |
2883 | (int) now.sec - (int) ap->last_attempt.sec : -1, | |
2884 | e ? e->count : 0); | |
2885 | } | |
2886 | } | |
2887 | ||
2888 | ||
2889 | static struct wps_ap_info * wpas_wps_get_ap_info(struct wpa_supplicant *wpa_s, | |
2890 | const u8 *bssid) | |
2891 | { | |
2892 | size_t i; | |
2893 | ||
2894 | if (wpa_s->wps_ap == NULL) | |
2895 | return NULL; | |
2896 | ||
2897 | for (i = 0; i < wpa_s->num_wps_ap; i++) { | |
2898 | struct wps_ap_info *ap = &wpa_s->wps_ap[i]; | |
2899 | if (os_memcmp(ap->bssid, bssid, ETH_ALEN) == 0) | |
2900 | return ap; | |
2901 | } | |
2902 | ||
2903 | return NULL; | |
2904 | } | |
2905 | ||
2906 | ||
2907 | static void wpas_wps_update_ap_info_bss(struct wpa_supplicant *wpa_s, | |
2908 | struct wpa_scan_res *res) | |
2909 | { | |
2910 | struct wpabuf *wps; | |
2911 | enum wps_ap_info_type type; | |
2912 | struct wps_ap_info *ap; | |
e1dffa3b AS |
2913 | int r, pbc_active; |
2914 | const u8 *uuid; | |
f9f0526b JM |
2915 | |
2916 | if (wpa_scan_get_vendor_ie(res, WPS_IE_VENDOR_TYPE) == NULL) | |
2917 | return; | |
2918 | ||
2919 | wps = wpa_scan_get_vendor_ie_multi(res, WPS_IE_VENDOR_TYPE); | |
2920 | if (wps == NULL) | |
2921 | return; | |
2922 | ||
2923 | r = wps_is_addr_authorized(wps, wpa_s->own_addr, 1); | |
2924 | if (r == 2) | |
2925 | type = WPS_AP_SEL_REG_OUR; | |
2926 | else if (r == 1) | |
2927 | type = WPS_AP_SEL_REG; | |
2928 | else | |
2929 | type = WPS_AP_NOT_SEL_REG; | |
2930 | ||
e1dffa3b AS |
2931 | uuid = wps_get_uuid_e(wps); |
2932 | pbc_active = wps_is_selected_pbc_registrar(wps); | |
f9f0526b JM |
2933 | |
2934 | ap = wpas_wps_get_ap_info(wpa_s, res->bssid); | |
2935 | if (ap) { | |
2936 | if (ap->type != type) { | |
2937 | wpa_printf(MSG_DEBUG, "WPS: AP " MACSTR | |
2938 | " changed type %d -> %d", | |
2939 | MAC2STR(res->bssid), ap->type, type); | |
2940 | ap->type = type; | |
a462036a JM |
2941 | if (type != WPS_AP_NOT_SEL_REG) |
2942 | wpa_blacklist_del(wpa_s, ap->bssid); | |
f9f0526b | 2943 | } |
e1dffa3b AS |
2944 | ap->pbc_active = pbc_active; |
2945 | if (uuid) | |
2946 | os_memcpy(ap->uuid, uuid, WPS_UUID_LEN); | |
2947 | goto out; | |
f9f0526b JM |
2948 | } |
2949 | ||
2950 | ap = os_realloc_array(wpa_s->wps_ap, wpa_s->num_wps_ap + 1, | |
2951 | sizeof(struct wps_ap_info)); | |
2952 | if (ap == NULL) | |
e1dffa3b | 2953 | goto out; |
f9f0526b JM |
2954 | |
2955 | wpa_s->wps_ap = ap; | |
2956 | ap = &wpa_s->wps_ap[wpa_s->num_wps_ap]; | |
2957 | wpa_s->num_wps_ap++; | |
2958 | ||
2959 | os_memset(ap, 0, sizeof(*ap)); | |
2960 | os_memcpy(ap->bssid, res->bssid, ETH_ALEN); | |
2961 | ap->type = type; | |
e1dffa3b AS |
2962 | ap->pbc_active = pbc_active; |
2963 | if (uuid) | |
2964 | os_memcpy(ap->uuid, uuid, WPS_UUID_LEN); | |
f9f0526b JM |
2965 | wpa_printf(MSG_DEBUG, "WPS: AP " MACSTR " type %d added", |
2966 | MAC2STR(ap->bssid), ap->type); | |
e1dffa3b AS |
2967 | |
2968 | out: | |
2969 | wpabuf_free(wps); | |
f9f0526b JM |
2970 | } |
2971 | ||
2972 | ||
2973 | void wpas_wps_update_ap_info(struct wpa_supplicant *wpa_s, | |
2974 | struct wpa_scan_results *scan_res) | |
2975 | { | |
2976 | size_t i; | |
2977 | ||
2978 | for (i = 0; i < scan_res->num; i++) | |
2979 | wpas_wps_update_ap_info_bss(wpa_s, scan_res->res[i]); | |
2980 | ||
2981 | wpas_wps_dump_ap_info(wpa_s); | |
2982 | } | |
2983 | ||
2984 | ||
2985 | void wpas_wps_notify_assoc(struct wpa_supplicant *wpa_s, const u8 *bssid) | |
2986 | { | |
2987 | struct wps_ap_info *ap; | |
7255983b JM |
2988 | |
2989 | wpa_s->after_wps = 0; | |
2990 | ||
f9f0526b JM |
2991 | if (!wpa_s->wps_ap_iter) |
2992 | return; | |
2993 | ap = wpas_wps_get_ap_info(wpa_s, bssid); | |
2994 | if (ap == NULL) | |
2995 | return; | |
2996 | ap->tries++; | |
51bffab1 | 2997 | os_get_reltime(&ap->last_attempt); |
f9f0526b | 2998 | } |