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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 | |
fcc60db4 | 42 | static void wpas_wps_timeout(void *eloop_ctx, void *timeout_ctx); |
469fc3a4 | 43 | static void wpas_clear_wps(struct wpa_supplicant *wpa_s); |
fcc60db4 JM |
44 | |
45 | ||
f9f0526b JM |
46 | static void wpas_wps_clear_ap_info(struct wpa_supplicant *wpa_s) |
47 | { | |
48 | os_free(wpa_s->wps_ap); | |
49 | wpa_s->wps_ap = NULL; | |
50 | wpa_s->num_wps_ap = 0; | |
51 | wpa_s->wps_ap_iter = 0; | |
52 | } | |
53 | ||
54 | ||
150fd0b2 JM |
55 | static void wpas_wps_assoc_with_cred(void *eloop_ctx, void *timeout_ctx) |
56 | { | |
57 | struct wpa_supplicant *wpa_s = eloop_ctx; | |
58 | int use_fast_assoc = timeout_ctx != NULL; | |
59 | ||
60 | wpa_printf(MSG_DEBUG, "WPS: Continuing association after eapol_cb"); | |
61 | if (!use_fast_assoc || | |
62 | wpa_supplicant_fast_associate(wpa_s) != 1) | |
63 | wpa_supplicant_req_scan(wpa_s, 0, 0); | |
64 | } | |
65 | ||
66 | ||
67 | static void wpas_wps_assoc_with_cred_cancel(struct wpa_supplicant *wpa_s) | |
68 | { | |
69 | eloop_cancel_timeout(wpas_wps_assoc_with_cred, wpa_s, (void *) 0); | |
70 | eloop_cancel_timeout(wpas_wps_assoc_with_cred, wpa_s, (void *) 1); | |
71 | } | |
72 | ||
73 | ||
fa201b69 JM |
74 | int wpas_wps_eapol_cb(struct wpa_supplicant *wpa_s) |
75 | { | |
95fb2db2 JM |
76 | if (wpas_p2p_wps_eapol_cb(wpa_s) > 0) |
77 | return 1; | |
95fb2db2 | 78 | |
a6099152 JM |
79 | if (!wpa_s->wps_success && |
80 | wpa_s->current_ssid && | |
81 | eap_is_wps_pin_enrollee(&wpa_s->current_ssid->eap)) { | |
82 | const u8 *bssid = wpa_s->bssid; | |
83 | if (is_zero_ether_addr(bssid)) | |
84 | bssid = wpa_s->pending_bssid; | |
85 | ||
86 | wpa_printf(MSG_DEBUG, "WPS: PIN registration with " MACSTR | |
87 | " did not succeed - continue trying to find " | |
88 | "suitable AP", MAC2STR(bssid)); | |
89 | wpa_blacklist_add(wpa_s, bssid); | |
90 | ||
91 | wpa_supplicant_deauthenticate(wpa_s, | |
92 | WLAN_REASON_DEAUTH_LEAVING); | |
93 | wpa_s->reassociate = 1; | |
94 | wpa_supplicant_req_scan(wpa_s, | |
95 | wpa_s->blacklist_cleared ? 5 : 0, 0); | |
96 | wpa_s->blacklist_cleared = 0; | |
97 | return 1; | |
98 | } | |
99 | ||
f9f0526b | 100 | wpas_wps_clear_ap_info(wpa_s); |
fcc60db4 | 101 | eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL); |
449adbac CWY |
102 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS && !wpa_s->wps_success) |
103 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_FAIL); | |
fcc60db4 | 104 | |
fa201b69 JM |
105 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS && wpa_s->current_ssid && |
106 | !(wpa_s->current_ssid->key_mgmt & WPA_KEY_MGMT_WPS)) { | |
f981eabc | 107 | int disabled = wpa_s->current_ssid->disabled; |
a565c23b | 108 | unsigned int freq = wpa_s->assoc_freq; |
97236cee MH |
109 | struct wpa_bss *bss; |
110 | struct wpa_ssid *ssid = NULL; | |
111 | int use_fast_assoc = 0; | |
112 | ||
fa201b69 | 113 | wpa_printf(MSG_DEBUG, "WPS: Network configuration replaced - " |
a565c23b JM |
114 | "try to associate with the received credential " |
115 | "(freq=%u)", freq); | |
fa201b69 JM |
116 | wpa_supplicant_deauthenticate(wpa_s, |
117 | WLAN_REASON_DEAUTH_LEAVING); | |
f981eabc JM |
118 | if (disabled) { |
119 | wpa_printf(MSG_DEBUG, "WPS: Current network is " | |
120 | "disabled - wait for user to enable"); | |
121 | return 1; | |
122 | } | |
17a4734d | 123 | wpa_s->after_wps = 5; |
a565c23b | 124 | wpa_s->wps_freq = freq; |
0b7a25c0 | 125 | wpa_s->normal_scans = 0; |
fa201b69 | 126 | wpa_s->reassociate = 1; |
97236cee MH |
127 | |
128 | wpa_printf(MSG_DEBUG, "WPS: Checking whether fast association " | |
129 | "without a new scan can be used"); | |
130 | bss = wpa_supplicant_pick_network(wpa_s, &ssid); | |
131 | if (bss) { | |
132 | struct wpabuf *wps; | |
133 | struct wps_parse_attr attr; | |
134 | ||
135 | wps = wpa_bss_get_vendor_ie_multi(bss, | |
136 | WPS_IE_VENDOR_TYPE); | |
137 | if (wps && wps_parse_msg(wps, &attr) == 0 && | |
138 | attr.wps_state && | |
139 | *attr.wps_state == WPS_STATE_CONFIGURED) | |
140 | use_fast_assoc = 1; | |
141 | wpabuf_free(wps); | |
142 | } | |
143 | ||
150fd0b2 JM |
144 | /* |
145 | * Complete the next step from an eloop timeout to allow pending | |
146 | * driver events related to the disconnection to be processed | |
147 | * first. This makes it less likely for disconnection event to | |
148 | * cause problems with the following connection. | |
149 | */ | |
150 | wpa_printf(MSG_DEBUG, "WPS: Continue association from timeout"); | |
151 | wpas_wps_assoc_with_cred_cancel(wpa_s); | |
152 | eloop_register_timeout(0, 10000, | |
153 | wpas_wps_assoc_with_cred, wpa_s, | |
154 | use_fast_assoc ? (void *) 1 : | |
155 | (void *) 0); | |
fa201b69 JM |
156 | return 1; |
157 | } | |
158 | ||
47662164 JM |
159 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS && wpa_s->current_ssid) { |
160 | wpa_printf(MSG_DEBUG, "WPS: Registration completed - waiting " | |
161 | "for external credential processing"); | |
162 | wpas_clear_wps(wpa_s); | |
163 | wpa_supplicant_deauthenticate(wpa_s, | |
164 | WLAN_REASON_DEAUTH_LEAVING); | |
165 | return 1; | |
166 | } | |
167 | ||
fa201b69 JM |
168 | return 0; |
169 | } | |
170 | ||
171 | ||
7cc1b6c9 JM |
172 | static void wpas_wps_security_workaround(struct wpa_supplicant *wpa_s, |
173 | struct wpa_ssid *ssid, | |
174 | const struct wps_credential *cred) | |
175 | { | |
176 | struct wpa_driver_capa capa; | |
59f2caa9 | 177 | struct wpa_bss *bss; |
7cc1b6c9 JM |
178 | const u8 *ie; |
179 | struct wpa_ie_data adv; | |
180 | int wpa2 = 0, ccmp = 0; | |
181 | ||
182 | /* | |
183 | * Many existing WPS APs do not know how to negotiate WPA2 or CCMP in | |
184 | * case they are configured for mixed mode operation (WPA+WPA2 and | |
185 | * TKIP+CCMP). Try to use scan results to figure out whether the AP | |
186 | * actually supports stronger security and select that if the client | |
187 | * has support for it, too. | |
188 | */ | |
189 | ||
190 | if (wpa_drv_get_capa(wpa_s, &capa)) | |
191 | return; /* Unknown what driver supports */ | |
192 | ||
d87e90b6 JM |
193 | if (ssid->ssid == NULL) |
194 | return; | |
59f2caa9 JM |
195 | bss = wpa_bss_get(wpa_s, cred->mac_addr, ssid->ssid, ssid->ssid_len); |
196 | if (bss == NULL) { | |
197 | wpa_printf(MSG_DEBUG, "WPS: The AP was not found from BSS " | |
198 | "table - use credential as-is"); | |
7cc1b6c9 JM |
199 | return; |
200 | } | |
201 | ||
59f2caa9 JM |
202 | wpa_printf(MSG_DEBUG, "WPS: AP found from BSS table"); |
203 | ||
204 | ie = wpa_bss_get_ie(bss, WLAN_EID_RSN); | |
7cc1b6c9 JM |
205 | if (ie && wpa_parse_wpa_ie(ie, 2 + ie[1], &adv) == 0) { |
206 | wpa2 = 1; | |
207 | if (adv.pairwise_cipher & WPA_CIPHER_CCMP) | |
208 | ccmp = 1; | |
209 | } else { | |
59f2caa9 | 210 | ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE); |
7cc1b6c9 JM |
211 | if (ie && wpa_parse_wpa_ie(ie, 2 + ie[1], &adv) == 0 && |
212 | adv.pairwise_cipher & WPA_CIPHER_CCMP) | |
213 | ccmp = 1; | |
214 | } | |
215 | ||
216 | if (ie == NULL && (ssid->proto & WPA_PROTO_WPA) && | |
217 | (ssid->pairwise_cipher & WPA_CIPHER_TKIP)) { | |
218 | /* | |
219 | * TODO: This could be the initial AP configuration and the | |
220 | * Beacon contents could change shortly. Should request a new | |
221 | * scan and delay addition of the network until the updated | |
222 | * scan results are available. | |
223 | */ | |
224 | wpa_printf(MSG_DEBUG, "WPS: The AP did not yet advertise WPA " | |
225 | "support - use credential as-is"); | |
226 | return; | |
227 | } | |
228 | ||
229 | if (ccmp && !(ssid->pairwise_cipher & WPA_CIPHER_CCMP) && | |
230 | (ssid->pairwise_cipher & WPA_CIPHER_TKIP) && | |
231 | (capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) { | |
232 | wpa_printf(MSG_DEBUG, "WPS: Add CCMP into the credential " | |
233 | "based on scan results"); | |
234 | if (wpa_s->conf->ap_scan == 1) | |
235 | ssid->pairwise_cipher |= WPA_CIPHER_CCMP; | |
236 | else | |
237 | ssid->pairwise_cipher = WPA_CIPHER_CCMP; | |
238 | } | |
239 | ||
240 | if (wpa2 && !(ssid->proto & WPA_PROTO_RSN) && | |
241 | (ssid->proto & WPA_PROTO_WPA) && | |
242 | (capa.enc & WPA_DRIVER_CAPA_ENC_CCMP)) { | |
243 | wpa_printf(MSG_DEBUG, "WPS: Add WPA2 into the credential " | |
244 | "based on scan results"); | |
245 | if (wpa_s->conf->ap_scan == 1) | |
246 | ssid->proto |= WPA_PROTO_RSN; | |
247 | else | |
248 | ssid->proto = WPA_PROTO_RSN; | |
249 | } | |
250 | } | |
251 | ||
252 | ||
741ed9fc VK |
253 | static void wpas_wps_remove_dup_network(struct wpa_supplicant *wpa_s, |
254 | struct wpa_ssid *new_ssid) | |
255 | { | |
256 | struct wpa_ssid *ssid, *next; | |
257 | ||
258 | for (ssid = wpa_s->conf->ssid, next = ssid ? ssid->next : NULL; ssid; | |
259 | ssid = next, next = ssid ? ssid->next : NULL) { | |
260 | /* | |
261 | * new_ssid has already been added to the list in | |
262 | * wpas_wps_add_network(), so skip it. | |
263 | */ | |
264 | if (ssid == new_ssid) | |
265 | continue; | |
266 | ||
267 | if (ssid->bssid_set || new_ssid->bssid_set) { | |
268 | if (ssid->bssid_set != new_ssid->bssid_set) | |
269 | continue; | |
270 | if (os_memcmp(ssid->bssid, new_ssid->bssid, ETH_ALEN) != | |
271 | 0) | |
272 | continue; | |
273 | } | |
274 | ||
275 | /* compare SSID */ | |
276 | if (ssid->ssid_len == 0 || ssid->ssid_len != new_ssid->ssid_len) | |
277 | continue; | |
278 | ||
279 | if (ssid->ssid && new_ssid->ssid) { | |
280 | if (os_memcmp(ssid->ssid, new_ssid->ssid, | |
281 | ssid->ssid_len) != 0) | |
282 | continue; | |
283 | } else if (ssid->ssid || new_ssid->ssid) | |
284 | continue; | |
285 | ||
286 | /* compare security parameters */ | |
287 | if (ssid->auth_alg != new_ssid->auth_alg || | |
288 | ssid->key_mgmt != new_ssid->key_mgmt || | |
d77419d2 AM |
289 | (ssid->group_cipher != new_ssid->group_cipher && |
290 | !(ssid->group_cipher & new_ssid->group_cipher & | |
291 | WPA_CIPHER_CCMP))) | |
741ed9fc VK |
292 | continue; |
293 | ||
e5a4b85b HW |
294 | /* |
295 | * Some existing WPS APs will send two creds in case they are | |
296 | * configured for mixed mode operation (WPA+WPA2 and TKIP+CCMP). | |
297 | * Try to merge these two creds if they are received in the same | |
298 | * M8 message. | |
299 | */ | |
300 | if (ssid->wps_run && ssid->wps_run == new_ssid->wps_run && | |
301 | wpa_key_mgmt_wpa_psk(ssid->key_mgmt)) { | |
302 | if (new_ssid->passphrase && ssid->passphrase && | |
303 | os_strcmp(new_ssid->passphrase, ssid->passphrase) != | |
304 | 0) { | |
305 | wpa_printf(MSG_DEBUG, | |
306 | "WPS: M8 Creds with different passphrase - do not merge"); | |
307 | continue; | |
308 | } | |
309 | ||
310 | if (new_ssid->psk_set && | |
311 | (!ssid->psk_set || | |
312 | os_memcmp(new_ssid->psk, ssid->psk, 32) != 0)) { | |
313 | wpa_printf(MSG_DEBUG, | |
314 | "WPS: M8 Creds with different PSK - do not merge"); | |
315 | continue; | |
316 | } | |
317 | ||
318 | if ((new_ssid->passphrase && !ssid->passphrase) || | |
319 | (!new_ssid->passphrase && ssid->passphrase)) { | |
320 | wpa_printf(MSG_DEBUG, | |
321 | "WPS: M8 Creds with different passphrase/PSK type - do not merge"); | |
322 | continue; | |
323 | } | |
324 | ||
325 | wpa_printf(MSG_DEBUG, | |
326 | "WPS: Workaround - merge likely WPA/WPA2-mixed mode creds in same M8 message"); | |
327 | new_ssid->proto |= ssid->proto; | |
328 | new_ssid->pairwise_cipher |= ssid->pairwise_cipher; | |
329 | } else { | |
330 | /* | |
331 | * proto and pairwise_cipher difference matter for | |
332 | * non-mixed-mode creds. | |
333 | */ | |
334 | if (ssid->proto != new_ssid->proto || | |
335 | ssid->pairwise_cipher != new_ssid->pairwise_cipher) | |
336 | continue; | |
337 | } | |
338 | ||
741ed9fc VK |
339 | /* Remove the duplicated older network entry. */ |
340 | wpa_printf(MSG_DEBUG, "Remove duplicate network %d", ssid->id); | |
341 | wpas_notify_network_removed(wpa_s, ssid); | |
4f9a5ea5 JM |
342 | if (wpa_s->current_ssid == ssid) |
343 | wpa_s->current_ssid = NULL; | |
741ed9fc VK |
344 | wpa_config_remove_network(wpa_s->conf, ssid->id); |
345 | } | |
346 | } | |
347 | ||
348 | ||
bcbbc7af JM |
349 | static int wpa_supplicant_wps_cred(void *ctx, |
350 | const struct wps_credential *cred) | |
fa201b69 JM |
351 | { |
352 | struct wpa_supplicant *wpa_s = ctx; | |
353 | struct wpa_ssid *ssid = wpa_s->current_ssid; | |
49eba5f8 | 354 | u16 auth_type; |
2c4f80d5 | 355 | #ifdef CONFIG_WPS_REG_DISABLE_OPEN |
f981eabc | 356 | int registrar = 0; |
2c4f80d5 | 357 | #endif /* CONFIG_WPS_REG_DISABLE_OPEN */ |
fa201b69 | 358 | |
47662164 JM |
359 | if ((wpa_s->conf->wps_cred_processing == 1 || |
360 | wpa_s->conf->wps_cred_processing == 2) && cred->cred_attr) { | |
361 | size_t blen = cred->cred_attr_len * 2 + 1; | |
362 | char *buf = os_malloc(blen); | |
363 | if (buf) { | |
364 | wpa_snprintf_hex(buf, blen, | |
365 | cred->cred_attr, cred->cred_attr_len); | |
366 | wpa_msg(wpa_s, MSG_INFO, "%s%s", | |
367 | WPS_EVENT_CRED_RECEIVED, buf); | |
368 | os_free(buf); | |
369 | } | |
8bac466b JM |
370 | |
371 | wpas_notify_wps_credential(wpa_s, cred); | |
47662164 JM |
372 | } else |
373 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_CRED_RECEIVED); | |
fa201b69 | 374 | |
eca6e0a9 JM |
375 | wpa_hexdump_key(MSG_DEBUG, "WPS: Received Credential attribute", |
376 | cred->cred_attr, cred->cred_attr_len); | |
377 | ||
47662164 JM |
378 | if (wpa_s->conf->wps_cred_processing == 1) |
379 | return 0; | |
380 | ||
73267b9c JM |
381 | wpa_hexdump_ascii(MSG_DEBUG, "WPS: SSID", cred->ssid, cred->ssid_len); |
382 | wpa_printf(MSG_DEBUG, "WPS: Authentication Type 0x%x", | |
383 | cred->auth_type); | |
384 | wpa_printf(MSG_DEBUG, "WPS: Encryption Type 0x%x", cred->encr_type); | |
385 | wpa_printf(MSG_DEBUG, "WPS: Network Key Index %d", cred->key_idx); | |
386 | wpa_hexdump_key(MSG_DEBUG, "WPS: Network Key", | |
387 | cred->key, cred->key_len); | |
388 | wpa_printf(MSG_DEBUG, "WPS: MAC Address " MACSTR, | |
389 | MAC2STR(cred->mac_addr)); | |
390 | ||
49eba5f8 JM |
391 | auth_type = cred->auth_type; |
392 | if (auth_type == (WPS_AUTH_WPAPSK | WPS_AUTH_WPA2PSK)) { | |
393 | wpa_printf(MSG_DEBUG, "WPS: Workaround - convert mixed-mode " | |
394 | "auth_type into WPA2PSK"); | |
395 | auth_type = WPS_AUTH_WPA2PSK; | |
396 | } | |
397 | ||
398 | if (auth_type != WPS_AUTH_OPEN && | |
49eba5f8 JM |
399 | auth_type != WPS_AUTH_WPAPSK && |
400 | auth_type != WPS_AUTH_WPA2PSK) { | |
f286077d | 401 | wpa_printf(MSG_DEBUG, "WPS: Ignored credentials for " |
49eba5f8 JM |
402 | "unsupported authentication type 0x%x", |
403 | auth_type); | |
f286077d JM |
404 | return 0; |
405 | } | |
406 | ||
b363121a JM |
407 | if (auth_type == WPS_AUTH_WPAPSK || auth_type == WPS_AUTH_WPA2PSK) { |
408 | if (cred->key_len < 8 || cred->key_len > 2 * PMK_LEN) { | |
409 | wpa_printf(MSG_ERROR, "WPS: Reject PSK credential with " | |
410 | "invalid Network Key length %lu", | |
411 | (unsigned long) cred->key_len); | |
412 | return -1; | |
413 | } | |
414 | } | |
415 | ||
fa201b69 JM |
416 | if (ssid && (ssid->key_mgmt & WPA_KEY_MGMT_WPS)) { |
417 | wpa_printf(MSG_DEBUG, "WPS: Replace WPS network block based " | |
418 | "on the received credential"); | |
2c4f80d5 | 419 | #ifdef CONFIG_WPS_REG_DISABLE_OPEN |
f981eabc JM |
420 | if (ssid->eap.identity && |
421 | ssid->eap.identity_len == WSC_ID_REGISTRAR_LEN && | |
422 | os_memcmp(ssid->eap.identity, WSC_ID_REGISTRAR, | |
423 | WSC_ID_REGISTRAR_LEN) == 0) | |
424 | registrar = 1; | |
2c4f80d5 | 425 | #endif /* CONFIG_WPS_REG_DISABLE_OPEN */ |
fa201b69 JM |
426 | os_free(ssid->eap.identity); |
427 | ssid->eap.identity = NULL; | |
428 | ssid->eap.identity_len = 0; | |
429 | os_free(ssid->eap.phase1); | |
430 | ssid->eap.phase1 = NULL; | |
431 | os_free(ssid->eap.eap_methods); | |
432 | ssid->eap.eap_methods = NULL; | |
cae2119c | 433 | if (!ssid->p2p_group) { |
2ff99b3c | 434 | ssid->temporary = 0; |
cae2119c JM |
435 | ssid->bssid_set = 0; |
436 | } | |
00e5e3d5 JM |
437 | ssid->disabled_until.sec = 0; |
438 | ssid->disabled_until.usec = 0; | |
439 | ssid->auth_failures = 0; | |
fa201b69 JM |
440 | } else { |
441 | wpa_printf(MSG_DEBUG, "WPS: Create a new network based on the " | |
442 | "received credential"); | |
443 | ssid = wpa_config_add_network(wpa_s->conf); | |
444 | if (ssid == NULL) | |
445 | return -1; | |
ded4f944 JM |
446 | if (wpa_s->current_ssid) { |
447 | /* | |
448 | * Should the GO issue multiple credentials for some | |
449 | * reason, each credential should be marked as a | |
450 | * temporary P2P group similarly to the one that gets | |
451 | * marked as such based on the pre-configured values | |
452 | * used for the WPS network block. | |
453 | */ | |
454 | ssid->p2p_group = wpa_s->current_ssid->p2p_group; | |
455 | ssid->temporary = wpa_s->current_ssid->temporary; | |
456 | } | |
8bac466b | 457 | wpas_notify_network_added(wpa_s, ssid); |
fa201b69 JM |
458 | } |
459 | ||
460 | wpa_config_set_network_defaults(ssid); | |
e5a4b85b | 461 | ssid->wps_run = wpa_s->wps_run; |
fa201b69 JM |
462 | |
463 | os_free(ssid->ssid); | |
464 | ssid->ssid = os_malloc(cred->ssid_len); | |
465 | if (ssid->ssid) { | |
466 | os_memcpy(ssid->ssid, cred->ssid, cred->ssid_len); | |
467 | ssid->ssid_len = cred->ssid_len; | |
468 | } | |
469 | ||
470 | switch (cred->encr_type) { | |
471 | case WPS_ENCR_NONE: | |
fa201b69 | 472 | break; |
fa201b69 JM |
473 | case WPS_ENCR_TKIP: |
474 | ssid->pairwise_cipher = WPA_CIPHER_TKIP; | |
fa201b69 JM |
475 | break; |
476 | case WPS_ENCR_AES: | |
477 | ssid->pairwise_cipher = WPA_CIPHER_CCMP; | |
d77419d2 AM |
478 | if (wpa_s->drv_capa_known && |
479 | (wpa_s->drv_enc & WPA_DRIVER_CAPA_ENC_GCMP)) { | |
480 | ssid->pairwise_cipher |= WPA_CIPHER_GCMP; | |
481 | ssid->group_cipher |= WPA_CIPHER_GCMP; | |
482 | } | |
fa201b69 JM |
483 | break; |
484 | } | |
485 | ||
49eba5f8 | 486 | switch (auth_type) { |
fa201b69 JM |
487 | case WPS_AUTH_OPEN: |
488 | ssid->auth_alg = WPA_AUTH_ALG_OPEN; | |
489 | ssid->key_mgmt = WPA_KEY_MGMT_NONE; | |
490 | ssid->proto = 0; | |
f981eabc JM |
491 | #ifdef CONFIG_WPS_REG_DISABLE_OPEN |
492 | if (registrar) { | |
493 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_OPEN_NETWORK | |
494 | "id=%d - Credentials for an open " | |
495 | "network disabled by default - use " | |
496 | "'select_network %d' to enable", | |
497 | ssid->id, ssid->id); | |
498 | ssid->disabled = 1; | |
499 | } | |
500 | #endif /* CONFIG_WPS_REG_DISABLE_OPEN */ | |
fa201b69 | 501 | break; |
fa201b69 JM |
502 | case WPS_AUTH_WPAPSK: |
503 | ssid->auth_alg = WPA_AUTH_ALG_OPEN; | |
504 | ssid->key_mgmt = WPA_KEY_MGMT_PSK; | |
505 | ssid->proto = WPA_PROTO_WPA; | |
506 | break; | |
fa201b69 JM |
507 | case WPS_AUTH_WPA2PSK: |
508 | ssid->auth_alg = WPA_AUTH_ALG_OPEN; | |
509 | ssid->key_mgmt = WPA_KEY_MGMT_PSK; | |
510 | ssid->proto = WPA_PROTO_RSN; | |
511 | break; | |
512 | } | |
513 | ||
514 | if (ssid->key_mgmt == WPA_KEY_MGMT_PSK) { | |
515 | if (cred->key_len == 2 * PMK_LEN) { | |
516 | if (hexstr2bin((const char *) cred->key, ssid->psk, | |
517 | PMK_LEN)) { | |
518 | wpa_printf(MSG_ERROR, "WPS: Invalid Network " | |
519 | "Key"); | |
520 | return -1; | |
521 | } | |
522 | ssid->psk_set = 1; | |
d1c8ac88 | 523 | ssid->export_keys = 1; |
fa201b69 JM |
524 | } else if (cred->key_len >= 8 && cred->key_len < 2 * PMK_LEN) { |
525 | os_free(ssid->passphrase); | |
526 | ssid->passphrase = os_malloc(cred->key_len + 1); | |
527 | if (ssid->passphrase == NULL) | |
528 | return -1; | |
529 | os_memcpy(ssid->passphrase, cred->key, cred->key_len); | |
530 | ssid->passphrase[cred->key_len] = '\0'; | |
531 | wpa_config_update_psk(ssid); | |
d1c8ac88 | 532 | ssid->export_keys = 1; |
fa201b69 JM |
533 | } else { |
534 | wpa_printf(MSG_ERROR, "WPS: Invalid Network Key " | |
535 | "length %lu", | |
536 | (unsigned long) cred->key_len); | |
537 | return -1; | |
538 | } | |
539 | } | |
540 | ||
7cc1b6c9 JM |
541 | wpas_wps_security_workaround(wpa_s, ssid, cred); |
542 | ||
741ed9fc VK |
543 | wpas_wps_remove_dup_network(wpa_s, ssid); |
544 | ||
fa201b69 JM |
545 | #ifndef CONFIG_NO_CONFIG_WRITE |
546 | if (wpa_s->conf->update_config && | |
547 | wpa_config_write(wpa_s->confname, wpa_s->conf)) { | |
548 | wpa_printf(MSG_DEBUG, "WPS: Failed to update configuration"); | |
549 | return -1; | |
550 | } | |
551 | #endif /* CONFIG_NO_CONFIG_WRITE */ | |
552 | ||
6fbcbc07 SD |
553 | /* |
554 | * Optimize the post-WPS scan based on the channel used during | |
555 | * the provisioning in case EAP-Failure is not received. | |
556 | */ | |
557 | wpa_s->after_wps = 5; | |
558 | wpa_s->wps_freq = wpa_s->assoc_freq; | |
559 | ||
fa201b69 JM |
560 | return 0; |
561 | } | |
562 | ||
563 | ||
4b68290e JM |
564 | static void wpa_supplicant_wps_event_m2d(struct wpa_supplicant *wpa_s, |
565 | struct wps_event_m2d *m2d) | |
566 | { | |
567 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_M2D | |
568 | "dev_password_id=%d config_error=%d", | |
569 | m2d->dev_password_id, m2d->config_error); | |
8bac466b | 570 | wpas_notify_wps_event_m2d(wpa_s, m2d); |
b89883a4 JM |
571 | #ifdef CONFIG_P2P |
572 | if (wpa_s->parent && wpa_s->parent != wpa_s) { | |
573 | wpa_msg(wpa_s->parent, MSG_INFO, WPS_EVENT_M2D | |
574 | "dev_password_id=%d config_error=%d", | |
575 | m2d->dev_password_id, m2d->config_error); | |
576 | } | |
577 | if (m2d->config_error == WPS_CFG_MULTIPLE_PBC_DETECTED) { | |
578 | /* | |
579 | * Notify P2P from eloop timeout to avoid issues with the | |
580 | * interface getting removed while processing a message. | |
581 | */ | |
ace0fbdb | 582 | eloop_register_timeout(0, 0, wpas_p2p_pbc_overlap_cb, wpa_s, |
b89883a4 JM |
583 | NULL); |
584 | } | |
585 | #endif /* CONFIG_P2P */ | |
4b68290e JM |
586 | } |
587 | ||
588 | ||
2e145e91 JM |
589 | static void wpas_wps_clear_timeout(void *eloop_ctx, void *timeout_ctx) |
590 | { | |
591 | struct wpa_supplicant *wpa_s = eloop_ctx; | |
592 | wpa_printf(MSG_DEBUG, "WPS: Clear WPS network from timeout"); | |
593 | wpas_clear_wps(wpa_s); | |
594 | } | |
595 | ||
596 | ||
469fc3a4 JM |
597 | static void wpa_supplicant_wps_event_fail(struct wpa_supplicant *wpa_s, |
598 | struct wps_event_fail *fail) | |
599 | { | |
c5cf0a18 CWY |
600 | if (fail->error_indication > 0 && |
601 | fail->error_indication < NUM_WPS_EI_VALUES) { | |
602 | wpa_msg(wpa_s, MSG_INFO, | |
603 | WPS_EVENT_FAIL "msg=%d config_error=%d reason=%d (%s)", | |
604 | fail->msg, fail->config_error, fail->error_indication, | |
961750c1 | 605 | wps_ei_str(fail->error_indication)); |
c5cf0a18 CWY |
606 | if (wpa_s->parent && wpa_s->parent != wpa_s) |
607 | wpa_msg(wpa_s->parent, MSG_INFO, WPS_EVENT_FAIL | |
608 | "msg=%d config_error=%d reason=%d (%s)", | |
609 | fail->msg, fail->config_error, | |
610 | fail->error_indication, | |
961750c1 | 611 | wps_ei_str(fail->error_indication)); |
c5cf0a18 CWY |
612 | } else { |
613 | wpa_msg(wpa_s, MSG_INFO, | |
614 | WPS_EVENT_FAIL "msg=%d config_error=%d", | |
545cc6af | 615 | fail->msg, fail->config_error); |
c5cf0a18 CWY |
616 | if (wpa_s->parent && wpa_s->parent != wpa_s) |
617 | wpa_msg(wpa_s->parent, MSG_INFO, WPS_EVENT_FAIL | |
618 | "msg=%d config_error=%d", | |
619 | fail->msg, fail->config_error); | |
620 | } | |
2e145e91 JM |
621 | |
622 | /* | |
623 | * Need to allow WPS processing to complete, e.g., by sending WSC_NACK. | |
624 | */ | |
625 | wpa_printf(MSG_DEBUG, "WPS: Register timeout to clear WPS network"); | |
626 | eloop_cancel_timeout(wpas_wps_clear_timeout, wpa_s, NULL); | |
627 | eloop_register_timeout(0, 100000, wpas_wps_clear_timeout, wpa_s, NULL); | |
628 | ||
8bac466b | 629 | wpas_notify_wps_event_fail(wpa_s, fail); |
3734552f | 630 | wpas_p2p_wps_failed(wpa_s, fail); |
469fc3a4 JM |
631 | } |
632 | ||
633 | ||
ec947ffc SD |
634 | static void wpas_wps_reenable_networks_cb(void *eloop_ctx, void *timeout_ctx); |
635 | ||
636 | static void wpas_wps_reenable_networks(struct wpa_supplicant *wpa_s) | |
637 | { | |
638 | struct wpa_ssid *ssid; | |
318e772a | 639 | int changed = 0; |
ec947ffc SD |
640 | |
641 | eloop_cancel_timeout(wpas_wps_reenable_networks_cb, wpa_s, NULL); | |
642 | ||
643 | for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) { | |
644 | if (ssid->disabled_for_connect && ssid->disabled) { | |
645 | ssid->disabled_for_connect = 0; | |
646 | ssid->disabled = 0; | |
647 | wpas_notify_network_enabled_changed(wpa_s, ssid); | |
318e772a | 648 | changed++; |
ec947ffc SD |
649 | } |
650 | } | |
318e772a JM |
651 | |
652 | if (changed) { | |
653 | #ifndef CONFIG_NO_CONFIG_WRITE | |
654 | if (wpa_s->conf->update_config && | |
655 | wpa_config_write(wpa_s->confname, wpa_s->conf)) { | |
656 | wpa_printf(MSG_DEBUG, "WPS: Failed to update " | |
657 | "configuration"); | |
658 | } | |
659 | #endif /* CONFIG_NO_CONFIG_WRITE */ | |
660 | } | |
ec947ffc SD |
661 | } |
662 | ||
663 | ||
664 | static void wpas_wps_reenable_networks_cb(void *eloop_ctx, void *timeout_ctx) | |
665 | { | |
666 | struct wpa_supplicant *wpa_s = eloop_ctx; | |
667 | /* Enable the networks disabled during wpas_wps_reassoc */ | |
668 | wpas_wps_reenable_networks(wpa_s); | |
669 | } | |
670 | ||
671 | ||
ad5302a1 JM |
672 | static void wpa_supplicant_wps_event_success(struct wpa_supplicant *wpa_s) |
673 | { | |
674 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_SUCCESS); | |
a6099152 | 675 | wpa_s->wps_success = 1; |
8bac466b | 676 | wpas_notify_wps_event_success(wpa_s); |
f3e907a7 JM |
677 | if (wpa_s->current_ssid) |
678 | wpas_clear_temp_disabled(wpa_s, wpa_s->current_ssid, 1); | |
679 | wpa_s->extra_blacklist_count = 0; | |
ec947ffc SD |
680 | |
681 | /* | |
682 | * Enable the networks disabled during wpas_wps_reassoc after 10 | |
683 | * seconds. The 10 seconds timer is to allow the data connection to be | |
684 | * formed before allowing other networks to be selected. | |
685 | */ | |
686 | eloop_register_timeout(10, 0, wpas_wps_reenable_networks_cb, wpa_s, | |
687 | NULL); | |
688 | ||
b22128ef | 689 | wpas_p2p_wps_success(wpa_s, wpa_s->bssid, 0); |
ad5302a1 JM |
690 | } |
691 | ||
692 | ||
b78bc3a3 JM |
693 | static void wpa_supplicant_wps_event_er_ap_add(struct wpa_supplicant *wpa_s, |
694 | struct wps_event_er_ap *ap) | |
695 | { | |
696 | char uuid_str[100]; | |
ed45947e | 697 | char dev_type[WPS_DEV_TYPE_BUFSIZE]; |
e694b344 | 698 | |
b78bc3a3 | 699 | uuid_bin2str(ap->uuid, uuid_str, sizeof(uuid_str)); |
e694b344 | 700 | if (ap->pri_dev_type) |
ed45947e JM |
701 | wps_dev_type_bin2str(ap->pri_dev_type, dev_type, |
702 | sizeof(dev_type)); | |
e694b344 JM |
703 | else |
704 | dev_type[0] = '\0'; | |
705 | ||
706 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_AP_ADD "%s " MACSTR | |
707 | " pri_dev_type=%s wps_state=%d |%s|%s|%s|%s|%s|%s|", | |
708 | uuid_str, MAC2STR(ap->mac_addr), dev_type, ap->wps_state, | |
b78bc3a3 JM |
709 | ap->friendly_name ? ap->friendly_name : "", |
710 | ap->manufacturer ? ap->manufacturer : "", | |
711 | ap->model_description ? ap->model_description : "", | |
712 | ap->model_name ? ap->model_name : "", | |
713 | ap->manufacturer_url ? ap->manufacturer_url : "", | |
714 | ap->model_url ? ap->model_url : ""); | |
715 | } | |
716 | ||
717 | ||
718 | static void wpa_supplicant_wps_event_er_ap_remove(struct wpa_supplicant *wpa_s, | |
719 | struct wps_event_er_ap *ap) | |
720 | { | |
721 | char uuid_str[100]; | |
722 | uuid_bin2str(ap->uuid, uuid_str, sizeof(uuid_str)); | |
723 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_AP_REMOVE "%s", uuid_str); | |
724 | } | |
725 | ||
726 | ||
727 | static void wpa_supplicant_wps_event_er_enrollee_add( | |
728 | struct wpa_supplicant *wpa_s, struct wps_event_er_enrollee *enrollee) | |
729 | { | |
730 | char uuid_str[100]; | |
ed45947e | 731 | char dev_type[WPS_DEV_TYPE_BUFSIZE]; |
b78bc3a3 JM |
732 | |
733 | uuid_bin2str(enrollee->uuid, uuid_str, sizeof(uuid_str)); | |
734 | if (enrollee->pri_dev_type) | |
ed45947e JM |
735 | wps_dev_type_bin2str(enrollee->pri_dev_type, dev_type, |
736 | sizeof(dev_type)); | |
b78bc3a3 JM |
737 | else |
738 | dev_type[0] = '\0'; | |
739 | ||
740 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_ENROLLEE_ADD "%s " MACSTR | |
741 | " M1=%d config_methods=0x%x dev_passwd_id=%d pri_dev_type=%s " | |
742 | "|%s|%s|%s|%s|%s|", | |
743 | uuid_str, MAC2STR(enrollee->mac_addr), enrollee->m1_received, | |
744 | enrollee->config_methods, enrollee->dev_passwd_id, dev_type, | |
745 | enrollee->dev_name ? enrollee->dev_name : "", | |
746 | enrollee->manufacturer ? enrollee->manufacturer : "", | |
747 | enrollee->model_name ? enrollee->model_name : "", | |
748 | enrollee->model_number ? enrollee->model_number : "", | |
749 | enrollee->serial_number ? enrollee->serial_number : ""); | |
750 | } | |
751 | ||
752 | ||
753 | static void wpa_supplicant_wps_event_er_enrollee_remove( | |
754 | struct wpa_supplicant *wpa_s, struct wps_event_er_enrollee *enrollee) | |
755 | { | |
756 | char uuid_str[100]; | |
757 | uuid_bin2str(enrollee->uuid, uuid_str, sizeof(uuid_str)); | |
758 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_ENROLLEE_REMOVE "%s " MACSTR, | |
759 | uuid_str, MAC2STR(enrollee->mac_addr)); | |
760 | } | |
761 | ||
762 | ||
15dbf129 JM |
763 | static void wpa_supplicant_wps_event_er_ap_settings( |
764 | struct wpa_supplicant *wpa_s, | |
765 | struct wps_event_er_ap_settings *ap_settings) | |
766 | { | |
767 | char uuid_str[100]; | |
768 | char key_str[65]; | |
769 | const struct wps_credential *cred = ap_settings->cred; | |
770 | ||
771 | key_str[0] = '\0'; | |
772 | if (cred->auth_type & (WPS_AUTH_WPAPSK | WPS_AUTH_WPA2PSK)) { | |
773 | if (cred->key_len >= 8 && cred->key_len <= 64) { | |
774 | os_memcpy(key_str, cred->key, cred->key_len); | |
775 | key_str[cred->key_len] = '\0'; | |
776 | } | |
777 | } | |
778 | ||
779 | uuid_bin2str(ap_settings->uuid, uuid_str, sizeof(uuid_str)); | |
780 | /* Use wpa_msg_ctrl to avoid showing the key in debug log */ | |
781 | wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_ER_AP_SETTINGS | |
782 | "uuid=%s ssid=%s auth_type=0x%04x encr_type=0x%04x " | |
783 | "key=%s", | |
784 | uuid_str, wpa_ssid_txt(cred->ssid, cred->ssid_len), | |
785 | cred->auth_type, cred->encr_type, key_str); | |
786 | } | |
787 | ||
788 | ||
3e7533b3 JM |
789 | static void wpa_supplicant_wps_event_er_set_sel_reg( |
790 | struct wpa_supplicant *wpa_s, | |
791 | struct wps_event_er_set_selected_registrar *ev) | |
792 | { | |
793 | char uuid_str[100]; | |
794 | ||
795 | uuid_bin2str(ev->uuid, uuid_str, sizeof(uuid_str)); | |
796 | switch (ev->state) { | |
797 | case WPS_ER_SET_SEL_REG_START: | |
798 | wpa_msg(wpa_s, MSG_DEBUG, WPS_EVENT_ER_SET_SEL_REG | |
799 | "uuid=%s state=START sel_reg=%d dev_passwd_id=%u " | |
800 | "sel_reg_config_methods=0x%x", | |
801 | uuid_str, ev->sel_reg, ev->dev_passwd_id, | |
802 | ev->sel_reg_config_methods); | |
803 | break; | |
804 | case WPS_ER_SET_SEL_REG_DONE: | |
805 | wpa_msg(wpa_s, MSG_DEBUG, WPS_EVENT_ER_SET_SEL_REG | |
806 | "uuid=%s state=DONE", uuid_str); | |
807 | break; | |
808 | case WPS_ER_SET_SEL_REG_FAILED: | |
809 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_SET_SEL_REG | |
810 | "uuid=%s state=FAILED", uuid_str); | |
811 | break; | |
812 | } | |
813 | } | |
814 | ||
815 | ||
4b68290e JM |
816 | static void wpa_supplicant_wps_event(void *ctx, enum wps_event event, |
817 | union wps_event_data *data) | |
818 | { | |
819 | struct wpa_supplicant *wpa_s = ctx; | |
820 | switch (event) { | |
821 | case WPS_EV_M2D: | |
822 | wpa_supplicant_wps_event_m2d(wpa_s, &data->m2d); | |
823 | break; | |
469fc3a4 JM |
824 | case WPS_EV_FAIL: |
825 | wpa_supplicant_wps_event_fail(wpa_s, &data->fail); | |
826 | break; | |
ad5302a1 JM |
827 | case WPS_EV_SUCCESS: |
828 | wpa_supplicant_wps_event_success(wpa_s); | |
829 | break; | |
3b2cf800 | 830 | case WPS_EV_PWD_AUTH_FAIL: |
70d84f11 JM |
831 | #ifdef CONFIG_AP |
832 | if (wpa_s->ap_iface && data->pwd_auth_fail.enrollee) | |
833 | wpa_supplicant_ap_pwd_auth_fail(wpa_s); | |
834 | #endif /* CONFIG_AP */ | |
3b2cf800 | 835 | break; |
63330c68 OK |
836 | case WPS_EV_PBC_OVERLAP: |
837 | break; | |
838 | case WPS_EV_PBC_TIMEOUT: | |
839 | break; | |
50396e29 JM |
840 | case WPS_EV_PBC_ACTIVE: |
841 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ACTIVE); | |
842 | break; | |
843 | case WPS_EV_PBC_DISABLE: | |
844 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_DISABLE); | |
845 | break; | |
b78bc3a3 JM |
846 | case WPS_EV_ER_AP_ADD: |
847 | wpa_supplicant_wps_event_er_ap_add(wpa_s, &data->ap); | |
848 | break; | |
849 | case WPS_EV_ER_AP_REMOVE: | |
850 | wpa_supplicant_wps_event_er_ap_remove(wpa_s, &data->ap); | |
851 | break; | |
852 | case WPS_EV_ER_ENROLLEE_ADD: | |
853 | wpa_supplicant_wps_event_er_enrollee_add(wpa_s, | |
854 | &data->enrollee); | |
855 | break; | |
856 | case WPS_EV_ER_ENROLLEE_REMOVE: | |
857 | wpa_supplicant_wps_event_er_enrollee_remove(wpa_s, | |
858 | &data->enrollee); | |
859 | break; | |
15dbf129 JM |
860 | case WPS_EV_ER_AP_SETTINGS: |
861 | wpa_supplicant_wps_event_er_ap_settings(wpa_s, | |
862 | &data->ap_settings); | |
863 | break; | |
3e7533b3 JM |
864 | case WPS_EV_ER_SET_SELECTED_REGISTRAR: |
865 | wpa_supplicant_wps_event_er_set_sel_reg(wpa_s, | |
866 | &data->set_sel_reg); | |
867 | break; | |
32cdcf15 JM |
868 | case WPS_EV_AP_PIN_SUCCESS: |
869 | break; | |
4b68290e JM |
870 | } |
871 | } | |
872 | ||
873 | ||
239abaf2 DS |
874 | static int wpa_supplicant_wps_rf_band(void *ctx) |
875 | { | |
876 | struct wpa_supplicant *wpa_s = ctx; | |
877 | ||
878 | if (!wpa_s->current_ssid || !wpa_s->assoc_freq) | |
879 | return 0; | |
880 | ||
881 | return (wpa_s->assoc_freq > 2484) ? WPS_RF_50GHZ : WPS_RF_24GHZ; | |
882 | } | |
883 | ||
884 | ||
f90c86d4 | 885 | enum wps_request_type wpas_wps_get_req_type(struct wpa_ssid *ssid) |
fa201b69 | 886 | { |
b01c18a8 JM |
887 | if (eap_is_wps_pbc_enrollee(&ssid->eap) || |
888 | eap_is_wps_pin_enrollee(&ssid->eap)) | |
889 | return WPS_REQ_ENROLLEE; | |
890 | else | |
891 | return WPS_REQ_REGISTRAR; | |
fa201b69 | 892 | } |
116654ce JM |
893 | |
894 | ||
fcc60db4 JM |
895 | static void wpas_clear_wps(struct wpa_supplicant *wpa_s) |
896 | { | |
897 | int id; | |
20a0b03d JM |
898 | struct wpa_ssid *ssid, *remove_ssid = NULL, *prev_current; |
899 | ||
7255983b | 900 | wpa_s->after_wps = 0; |
4d9fb08d | 901 | wpa_s->known_wps_freq = 0; |
7255983b | 902 | |
20a0b03d | 903 | prev_current = wpa_s->current_ssid; |
fcc60db4 | 904 | |
ec947ffc SD |
905 | /* Enable the networks disabled during wpas_wps_reassoc */ |
906 | wpas_wps_reenable_networks(wpa_s); | |
907 | ||
fcc60db4 | 908 | eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL); |
5890fa81 | 909 | eloop_cancel_timeout(wpas_wps_clear_timeout, wpa_s, NULL); |
fcc60db4 JM |
910 | |
911 | /* Remove any existing WPS network from configuration */ | |
912 | ssid = wpa_s->conf->ssid; | |
913 | while (ssid) { | |
f0477201 | 914 | if (ssid->key_mgmt & WPA_KEY_MGMT_WPS) { |
8bac466b | 915 | if (ssid == wpa_s->current_ssid) { |
c7a67a77 JZ |
916 | wpa_supplicant_deauthenticate( |
917 | wpa_s, WLAN_REASON_DEAUTH_LEAVING); | |
8bac466b | 918 | } |
fcc60db4 | 919 | id = ssid->id; |
8bac466b | 920 | remove_ssid = ssid; |
f0477201 | 921 | } else |
fcc60db4 JM |
922 | id = -1; |
923 | ssid = ssid->next; | |
8bac466b | 924 | if (id >= 0) { |
20a0b03d JM |
925 | if (prev_current == remove_ssid) { |
926 | wpa_sm_set_config(wpa_s->wpa, NULL); | |
927 | eapol_sm_notify_config(wpa_s->eapol, NULL, | |
928 | NULL); | |
929 | } | |
8bac466b | 930 | wpas_notify_network_removed(wpa_s, remove_ssid); |
fcc60db4 | 931 | wpa_config_remove_network(wpa_s->conf, id); |
8bac466b | 932 | } |
fcc60db4 | 933 | } |
f9f0526b JM |
934 | |
935 | wpas_wps_clear_ap_info(wpa_s); | |
fcc60db4 JM |
936 | } |
937 | ||
938 | ||
939 | static void wpas_wps_timeout(void *eloop_ctx, void *timeout_ctx) | |
940 | { | |
941 | struct wpa_supplicant *wpa_s = eloop_ctx; | |
014732ea AC |
942 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_TIMEOUT "Requested operation timed " |
943 | "out"); | |
fcc60db4 JM |
944 | wpas_clear_wps(wpa_s); |
945 | } | |
946 | ||
947 | ||
948 | static struct wpa_ssid * wpas_wps_add_network(struct wpa_supplicant *wpa_s, | |
23318bea JM |
949 | int registrar, const u8 *dev_addr, |
950 | const u8 *bssid) | |
fcc60db4 JM |
951 | { |
952 | struct wpa_ssid *ssid; | |
953 | ||
954 | ssid = wpa_config_add_network(wpa_s->conf); | |
955 | if (ssid == NULL) | |
956 | return NULL; | |
8bac466b | 957 | wpas_notify_network_added(wpa_s, ssid); |
fcc60db4 | 958 | wpa_config_set_network_defaults(ssid); |
2ff99b3c | 959 | ssid->temporary = 1; |
fcc60db4 JM |
960 | if (wpa_config_set(ssid, "key_mgmt", "WPS", 0) < 0 || |
961 | wpa_config_set(ssid, "eap", "WSC", 0) < 0 || | |
962 | wpa_config_set(ssid, "identity", registrar ? | |
963 | "\"" WSC_ID_REGISTRAR "\"" : | |
964 | "\"" WSC_ID_ENROLLEE "\"", 0) < 0) { | |
8bac466b | 965 | wpas_notify_network_removed(wpa_s, ssid); |
fcc60db4 JM |
966 | wpa_config_remove_network(wpa_s->conf, ssid->id); |
967 | return NULL; | |
968 | } | |
969 | ||
23318bea JM |
970 | #ifdef CONFIG_P2P |
971 | if (dev_addr) | |
972 | os_memcpy(ssid->go_p2p_dev_addr, dev_addr, ETH_ALEN); | |
973 | #endif /* CONFIG_P2P */ | |
974 | ||
fcc60db4 | 975 | if (bssid) { |
b2c5a4a3 | 976 | #ifndef CONFIG_P2P |
59f2caa9 | 977 | struct wpa_bss *bss; |
f7e54365 | 978 | int count = 0; |
b2c5a4a3 | 979 | #endif /* CONFIG_P2P */ |
fcc60db4 JM |
980 | |
981 | os_memcpy(ssid->bssid, bssid, ETH_ALEN); | |
24c23d1b | 982 | ssid->bssid_set = 1; |
fcc60db4 | 983 | |
b2c5a4a3 JM |
984 | /* |
985 | * Note: With P2P, the SSID may change at the time the WPS | |
986 | * provisioning is started, so better not filter the AP based | |
987 | * on the current SSID in the scan results. | |
988 | */ | |
989 | #ifndef CONFIG_P2P | |
59f2caa9 JM |
990 | dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) { |
991 | if (os_memcmp(bssid, bss->bssid, ETH_ALEN) != 0) | |
fcc60db4 JM |
992 | continue; |
993 | ||
fcc60db4 | 994 | os_free(ssid->ssid); |
59f2caa9 | 995 | ssid->ssid = os_malloc(bss->ssid_len); |
fcc60db4 JM |
996 | if (ssid->ssid == NULL) |
997 | break; | |
59f2caa9 JM |
998 | os_memcpy(ssid->ssid, bss->ssid, bss->ssid_len); |
999 | ssid->ssid_len = bss->ssid_len; | |
f7e54365 JM |
1000 | wpa_hexdump_ascii(MSG_DEBUG, "WPS: Picked SSID from " |
1001 | "scan results", | |
1002 | ssid->ssid, ssid->ssid_len); | |
1003 | count++; | |
1004 | } | |
1005 | ||
1006 | if (count > 1) { | |
1007 | wpa_printf(MSG_DEBUG, "WPS: More than one SSID found " | |
1008 | "for the AP; use wildcard"); | |
1009 | os_free(ssid->ssid); | |
1010 | ssid->ssid = NULL; | |
1011 | ssid->ssid_len = 0; | |
fcc60db4 | 1012 | } |
b2c5a4a3 | 1013 | #endif /* CONFIG_P2P */ |
fcc60db4 JM |
1014 | } |
1015 | ||
1016 | return ssid; | |
1017 | } | |
1018 | ||
1019 | ||
170f5663 JM |
1020 | static void wpas_wps_temp_disable(struct wpa_supplicant *wpa_s, |
1021 | struct wpa_ssid *selected) | |
fcc60db4 JM |
1022 | { |
1023 | struct wpa_ssid *ssid; | |
1024 | ||
d9d87c33 JM |
1025 | if (wpa_s->current_ssid) |
1026 | wpa_supplicant_deauthenticate( | |
1027 | wpa_s, WLAN_REASON_DEAUTH_LEAVING); | |
1028 | ||
fcc60db4 JM |
1029 | /* Mark all other networks disabled and trigger reassociation */ |
1030 | ssid = wpa_s->conf->ssid; | |
1031 | while (ssid) { | |
8bac466b | 1032 | int was_disabled = ssid->disabled; |
ec947ffc | 1033 | ssid->disabled_for_connect = 0; |
c2762e41 JS |
1034 | /* |
1035 | * In case the network object corresponds to a persistent group | |
1036 | * then do not send out network disabled signal. In addition, | |
1037 | * do not change disabled status of persistent network objects | |
1038 | * from 2 to 1 should we connect to another network. | |
1039 | */ | |
1040 | if (was_disabled != 2) { | |
1041 | ssid->disabled = ssid != selected; | |
ec947ffc SD |
1042 | if (was_disabled != ssid->disabled) { |
1043 | if (ssid->disabled) | |
1044 | ssid->disabled_for_connect = 1; | |
c2762e41 JS |
1045 | wpas_notify_network_enabled_changed(wpa_s, |
1046 | ssid); | |
ec947ffc | 1047 | } |
c2762e41 | 1048 | } |
fcc60db4 JM |
1049 | ssid = ssid->next; |
1050 | } | |
170f5663 JM |
1051 | } |
1052 | ||
1053 | ||
1054 | static void wpas_wps_reassoc(struct wpa_supplicant *wpa_s, | |
91a65018 JM |
1055 | struct wpa_ssid *selected, const u8 *bssid, |
1056 | int freq) | |
170f5663 JM |
1057 | { |
1058 | struct wpa_bss *bss; | |
1059 | ||
e5a4b85b HW |
1060 | wpa_s->wps_run++; |
1061 | if (wpa_s->wps_run == 0) | |
1062 | wpa_s->wps_run++; | |
170f5663 JM |
1063 | wpa_s->after_wps = 0; |
1064 | wpa_s->known_wps_freq = 0; | |
91a65018 JM |
1065 | if (freq) { |
1066 | wpa_s->after_wps = 5; | |
1067 | wpa_s->wps_freq = freq; | |
1068 | } else if (bssid) { | |
170f5663 JM |
1069 | bss = wpa_bss_get_bssid_latest(wpa_s, bssid); |
1070 | if (bss && bss->freq > 0) { | |
1071 | wpa_s->known_wps_freq = 1; | |
1072 | wpa_s->wps_freq = bss->freq; | |
1073 | } | |
1074 | } | |
1075 | ||
1076 | wpas_wps_temp_disable(wpa_s, selected); | |
1077 | ||
fcc60db4 JM |
1078 | wpa_s->disconnected = 0; |
1079 | wpa_s->reassociate = 1; | |
a6099152 | 1080 | wpa_s->scan_runs = 0; |
0b7a25c0 | 1081 | wpa_s->normal_scans = 0; |
a6099152 JM |
1082 | wpa_s->wps_success = 0; |
1083 | wpa_s->blacklist_cleared = 0; | |
1cba9bea JJ |
1084 | |
1085 | wpa_supplicant_cancel_sched_scan(wpa_s); | |
fcc60db4 JM |
1086 | wpa_supplicant_req_scan(wpa_s, 0, 0); |
1087 | } | |
1088 | ||
1089 | ||
9fa243b2 JM |
1090 | int wpas_wps_start_pbc(struct wpa_supplicant *wpa_s, const u8 *bssid, |
1091 | int p2p_group) | |
fcc60db4 JM |
1092 | { |
1093 | struct wpa_ssid *ssid; | |
1094 | wpas_clear_wps(wpa_s); | |
23318bea | 1095 | ssid = wpas_wps_add_network(wpa_s, 0, NULL, bssid); |
fcc60db4 JM |
1096 | if (ssid == NULL) |
1097 | return -1; | |
9fa243b2 JM |
1098 | ssid->temporary = 1; |
1099 | ssid->p2p_group = p2p_group; | |
812bf56a | 1100 | #ifdef CONFIG_P2P |
e9a7ae41 JM |
1101 | if (p2p_group && wpa_s->go_params && wpa_s->go_params->ssid_len) { |
1102 | ssid->ssid = os_zalloc(wpa_s->go_params->ssid_len + 1); | |
1103 | if (ssid->ssid) { | |
1104 | ssid->ssid_len = wpa_s->go_params->ssid_len; | |
1105 | os_memcpy(ssid->ssid, wpa_s->go_params->ssid, | |
1106 | ssid->ssid_len); | |
1107 | wpa_hexdump_ascii(MSG_DEBUG, "WPS: Use specific AP " | |
1108 | "SSID", ssid->ssid, ssid->ssid_len); | |
1109 | } | |
1110 | } | |
812bf56a | 1111 | #endif /* CONFIG_P2P */ |
9c75e9fb JM |
1112 | if (wpa_config_set(ssid, "phase1", "\"pbc=1\"", 0) < 0) |
1113 | return -1; | |
42f50264 JM |
1114 | if (wpa_s->wps_fragment_size) |
1115 | ssid->eap.fragment_size = wpa_s->wps_fragment_size; | |
fcc60db4 JM |
1116 | eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout, |
1117 | wpa_s, NULL); | |
91a65018 | 1118 | wpas_wps_reassoc(wpa_s, ssid, bssid, 0); |
fcc60db4 JM |
1119 | return 0; |
1120 | } | |
1121 | ||
1122 | ||
23318bea JM |
1123 | static int wpas_wps_start_dev_pw(struct wpa_supplicant *wpa_s, |
1124 | const u8 *dev_addr, const u8 *bssid, | |
5f454557 | 1125 | const char *pin, int p2p_group, u16 dev_pw_id, |
57630e65 | 1126 | const u8 *peer_pubkey_hash, |
91a65018 | 1127 | const u8 *ssid_val, size_t ssid_len, int freq) |
fcc60db4 JM |
1128 | { |
1129 | struct wpa_ssid *ssid; | |
5f454557 | 1130 | char val[128 + 2 * WPS_OOB_PUBKEY_HASH_LEN]; |
fcc60db4 | 1131 | unsigned int rpin = 0; |
5f454557 | 1132 | char hash[2 * WPS_OOB_PUBKEY_HASH_LEN + 10]; |
fcc60db4 JM |
1133 | |
1134 | wpas_clear_wps(wpa_s); | |
23318bea JM |
1135 | if (bssid && is_zero_ether_addr(bssid)) |
1136 | bssid = NULL; | |
1137 | ssid = wpas_wps_add_network(wpa_s, 0, dev_addr, bssid); | |
57630e65 JM |
1138 | if (ssid == NULL) { |
1139 | wpa_printf(MSG_DEBUG, "WPS: Could not add network"); | |
fcc60db4 | 1140 | return -1; |
57630e65 | 1141 | } |
9fa243b2 JM |
1142 | ssid->temporary = 1; |
1143 | ssid->p2p_group = p2p_group; | |
57630e65 JM |
1144 | if (ssid_val) { |
1145 | ssid->ssid = os_malloc(ssid_len); | |
1146 | if (ssid->ssid) { | |
1147 | os_memcpy(ssid->ssid, ssid_val, ssid_len); | |
1148 | ssid->ssid_len = ssid_len; | |
1149 | } | |
1150 | } | |
5f454557 JM |
1151 | if (peer_pubkey_hash) { |
1152 | os_memcpy(hash, " pkhash=", 8); | |
1153 | wpa_snprintf_hex_uppercase(hash + 8, sizeof(hash) - 8, | |
1154 | peer_pubkey_hash, | |
1155 | WPS_OOB_PUBKEY_HASH_LEN); | |
1156 | } else { | |
1157 | hash[0] = '\0'; | |
1158 | } | |
812bf56a | 1159 | #ifdef CONFIG_P2P |
e9a7ae41 JM |
1160 | if (p2p_group && wpa_s->go_params && wpa_s->go_params->ssid_len) { |
1161 | ssid->ssid = os_zalloc(wpa_s->go_params->ssid_len + 1); | |
1162 | if (ssid->ssid) { | |
1163 | ssid->ssid_len = wpa_s->go_params->ssid_len; | |
1164 | os_memcpy(ssid->ssid, wpa_s->go_params->ssid, | |
1165 | ssid->ssid_len); | |
1166 | wpa_hexdump_ascii(MSG_DEBUG, "WPS: Use specific AP " | |
1167 | "SSID", ssid->ssid, ssid->ssid_len); | |
1168 | } | |
1169 | } | |
812bf56a | 1170 | #endif /* CONFIG_P2P */ |
fcc60db4 | 1171 | if (pin) |
5f454557 JM |
1172 | os_snprintf(val, sizeof(val), "\"pin=%s dev_pw_id=%u%s\"", |
1173 | pin, dev_pw_id, hash); | |
fa4c2988 JM |
1174 | else if (pin == NULL && dev_pw_id == DEV_PW_NFC_CONNECTION_HANDOVER) { |
1175 | os_snprintf(val, sizeof(val), "\"dev_pw_id=%u%s\"", | |
1176 | dev_pw_id, hash); | |
1177 | } else { | |
fcc60db4 | 1178 | rpin = wps_generate_pin(); |
5f454557 JM |
1179 | os_snprintf(val, sizeof(val), "\"pin=%08d dev_pw_id=%u%s\"", |
1180 | rpin, dev_pw_id, hash); | |
fcc60db4 | 1181 | } |
fa4c2988 JM |
1182 | if (wpa_config_set(ssid, "phase1", val, 0) < 0) { |
1183 | wpa_printf(MSG_DEBUG, "WPS: Failed to set phase1 '%s'", val); | |
9c75e9fb | 1184 | return -1; |
fa4c2988 | 1185 | } |
42f50264 JM |
1186 | if (wpa_s->wps_fragment_size) |
1187 | ssid->eap.fragment_size = wpa_s->wps_fragment_size; | |
fcc60db4 JM |
1188 | eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout, |
1189 | wpa_s, NULL); | |
f9f0526b | 1190 | wpa_s->wps_ap_iter = 1; |
91a65018 | 1191 | wpas_wps_reassoc(wpa_s, ssid, bssid, freq); |
fcc60db4 JM |
1192 | return rpin; |
1193 | } | |
1194 | ||
1195 | ||
5f454557 JM |
1196 | int wpas_wps_start_pin(struct wpa_supplicant *wpa_s, const u8 *bssid, |
1197 | const char *pin, int p2p_group, u16 dev_pw_id) | |
1198 | { | |
23318bea | 1199 | return wpas_wps_start_dev_pw(wpa_s, NULL, bssid, pin, p2p_group, |
91a65018 | 1200 | dev_pw_id, NULL, NULL, 0, 0); |
5f454557 JM |
1201 | } |
1202 | ||
1203 | ||
2f9929ff AC |
1204 | /* Cancel the wps pbc/pin requests */ |
1205 | int wpas_wps_cancel(struct wpa_supplicant *wpa_s) | |
1206 | { | |
1207 | #ifdef CONFIG_AP | |
1208 | if (wpa_s->ap_iface) { | |
1209 | wpa_printf(MSG_DEBUG, "WPS: Cancelling in AP mode"); | |
1210 | return wpa_supplicant_ap_wps_cancel(wpa_s); | |
1211 | } | |
1212 | #endif /* CONFIG_AP */ | |
1213 | ||
476dea24 JM |
1214 | if (wpa_s->wpa_state == WPA_SCANNING || |
1215 | wpa_s->wpa_state == WPA_DISCONNECTED) { | |
2f9929ff AC |
1216 | wpa_printf(MSG_DEBUG, "WPS: Cancel operation - cancel scan"); |
1217 | wpa_supplicant_cancel_scan(wpa_s); | |
1218 | wpas_clear_wps(wpa_s); | |
1219 | } else if (wpa_s->wpa_state >= WPA_ASSOCIATED) { | |
1220 | wpa_printf(MSG_DEBUG, "WPS: Cancel operation - " | |
1221 | "deauthenticate"); | |
1222 | wpa_supplicant_deauthenticate(wpa_s, | |
1223 | WLAN_REASON_DEAUTH_LEAVING); | |
1224 | wpas_clear_wps(wpa_s); | |
ec947ffc SD |
1225 | } else { |
1226 | wpas_wps_reenable_networks(wpa_s); | |
f9f0526b | 1227 | wpas_wps_clear_ap_info(wpa_s); |
5890fa81 JM |
1228 | if (eloop_cancel_timeout(wpas_wps_clear_timeout, wpa_s, NULL) > |
1229 | 0) | |
1230 | wpas_clear_wps(wpa_s); | |
ec947ffc | 1231 | } |
2f9929ff | 1232 | |
7255983b JM |
1233 | wpa_s->after_wps = 0; |
1234 | ||
2f9929ff AC |
1235 | return 0; |
1236 | } | |
1237 | ||
1238 | ||
fcc60db4 | 1239 | int wpas_wps_start_reg(struct wpa_supplicant *wpa_s, const u8 *bssid, |
52eb293d | 1240 | const char *pin, struct wps_new_ap_settings *settings) |
fcc60db4 JM |
1241 | { |
1242 | struct wpa_ssid *ssid; | |
52eb293d JM |
1243 | char val[200]; |
1244 | char *pos, *end; | |
1245 | int res; | |
fcc60db4 JM |
1246 | |
1247 | if (!pin) | |
1248 | return -1; | |
1249 | wpas_clear_wps(wpa_s); | |
23318bea | 1250 | ssid = wpas_wps_add_network(wpa_s, 1, NULL, bssid); |
fcc60db4 JM |
1251 | if (ssid == NULL) |
1252 | return -1; | |
2ff99b3c | 1253 | ssid->temporary = 1; |
52eb293d JM |
1254 | pos = val; |
1255 | end = pos + sizeof(val); | |
1256 | res = os_snprintf(pos, end - pos, "\"pin=%s", pin); | |
d85e1fc8 | 1257 | if (os_snprintf_error(end - pos, res)) |
52eb293d JM |
1258 | return -1; |
1259 | pos += res; | |
1260 | if (settings) { | |
1261 | res = os_snprintf(pos, end - pos, " new_ssid=%s new_auth=%s " | |
1262 | "new_encr=%s new_key=%s", | |
1263 | settings->ssid_hex, settings->auth, | |
1264 | settings->encr, settings->key_hex); | |
d85e1fc8 | 1265 | if (os_snprintf_error(end - pos, res)) |
52eb293d JM |
1266 | return -1; |
1267 | pos += res; | |
1268 | } | |
1269 | res = os_snprintf(pos, end - pos, "\""); | |
d85e1fc8 | 1270 | if (os_snprintf_error(end - pos, res)) |
52eb293d | 1271 | return -1; |
9c75e9fb JM |
1272 | if (wpa_config_set(ssid, "phase1", val, 0) < 0) |
1273 | return -1; | |
42f50264 JM |
1274 | if (wpa_s->wps_fragment_size) |
1275 | ssid->eap.fragment_size = wpa_s->wps_fragment_size; | |
fcc60db4 JM |
1276 | eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout, |
1277 | wpa_s, NULL); | |
91a65018 | 1278 | wpas_wps_reassoc(wpa_s, ssid, bssid, 0); |
fcc60db4 JM |
1279 | return 0; |
1280 | } | |
1281 | ||
1282 | ||
52177fbb JM |
1283 | static int wpas_wps_new_psk_cb(void *ctx, const u8 *mac_addr, |
1284 | const u8 *p2p_dev_addr, const u8 *psk, | |
c5adf528 JM |
1285 | size_t psk_len) |
1286 | { | |
52177fbb JM |
1287 | if (is_zero_ether_addr(p2p_dev_addr)) { |
1288 | wpa_printf(MSG_DEBUG, | |
1289 | "Received new WPA/WPA2-PSK from WPS for STA " MACSTR, | |
1290 | MAC2STR(mac_addr)); | |
1291 | } else { | |
1292 | wpa_printf(MSG_DEBUG, | |
1293 | "Received new WPA/WPA2-PSK from WPS for STA " MACSTR | |
1294 | " P2P Device Addr " MACSTR, | |
1295 | MAC2STR(mac_addr), MAC2STR(p2p_dev_addr)); | |
1296 | } | |
c5adf528 JM |
1297 | wpa_hexdump_key(MSG_DEBUG, "Per-device PSK", psk, psk_len); |
1298 | ||
1299 | /* TODO */ | |
1300 | ||
1301 | return 0; | |
1302 | } | |
1303 | ||
1304 | ||
1305 | static void wpas_wps_pin_needed_cb(void *ctx, const u8 *uuid_e, | |
1306 | const struct wps_device_data *dev) | |
1307 | { | |
1308 | char uuid[40], txt[400]; | |
1309 | int len; | |
96750ea5 | 1310 | char devtype[WPS_DEV_TYPE_BUFSIZE]; |
c5adf528 JM |
1311 | if (uuid_bin2str(uuid_e, uuid, sizeof(uuid))) |
1312 | return; | |
1313 | wpa_printf(MSG_DEBUG, "WPS: PIN needed for UUID-E %s", uuid); | |
1314 | len = os_snprintf(txt, sizeof(txt), "WPS-EVENT-PIN-NEEDED %s " MACSTR | |
96750ea5 | 1315 | " [%s|%s|%s|%s|%s|%s]", |
c5adf528 JM |
1316 | uuid, MAC2STR(dev->mac_addr), dev->device_name, |
1317 | dev->manufacturer, dev->model_name, | |
1318 | dev->model_number, dev->serial_number, | |
96750ea5 JM |
1319 | wps_dev_type_bin2str(dev->pri_dev_type, devtype, |
1320 | sizeof(devtype))); | |
a80ba67a | 1321 | if (!os_snprintf_error(sizeof(txt), len)) |
c5adf528 JM |
1322 | wpa_printf(MSG_INFO, "%s", txt); |
1323 | } | |
1324 | ||
1325 | ||
72df2f5f JM |
1326 | static void wpas_wps_set_sel_reg_cb(void *ctx, int sel_reg, u16 dev_passwd_id, |
1327 | u16 sel_reg_config_methods) | |
1328 | { | |
1329 | #ifdef CONFIG_WPS_ER | |
1330 | struct wpa_supplicant *wpa_s = ctx; | |
1331 | ||
1332 | if (wpa_s->wps_er == NULL) | |
1333 | return; | |
ad474118 JM |
1334 | wpa_printf(MSG_DEBUG, "WPS ER: SetSelectedRegistrar - sel_reg=%d " |
1335 | "dev_password_id=%u sel_reg_config_methods=0x%x", | |
1336 | sel_reg, dev_passwd_id, sel_reg_config_methods); | |
72df2f5f JM |
1337 | wps_er_set_sel_reg(wpa_s->wps_er, sel_reg, dev_passwd_id, |
1338 | sel_reg_config_methods); | |
1339 | #endif /* CONFIG_WPS_ER */ | |
1340 | } | |
1341 | ||
1342 | ||
092acb54 JM |
1343 | static u16 wps_fix_config_methods(u16 config_methods) |
1344 | { | |
092acb54 JM |
1345 | if ((config_methods & |
1346 | (WPS_CONFIG_DISPLAY | WPS_CONFIG_VIRT_DISPLAY | | |
1347 | WPS_CONFIG_PHY_DISPLAY)) == WPS_CONFIG_DISPLAY) { | |
1348 | wpa_printf(MSG_INFO, "WPS: Converting display to " | |
1349 | "virtual_display for WPS 2.0 compliance"); | |
1350 | config_methods |= WPS_CONFIG_VIRT_DISPLAY; | |
1351 | } | |
1352 | if ((config_methods & | |
1353 | (WPS_CONFIG_PUSHBUTTON | WPS_CONFIG_VIRT_PUSHBUTTON | | |
1354 | WPS_CONFIG_PHY_PUSHBUTTON)) == WPS_CONFIG_PUSHBUTTON) { | |
1355 | wpa_printf(MSG_INFO, "WPS: Converting push_button to " | |
1356 | "virtual_push_button for WPS 2.0 compliance"); | |
1357 | config_methods |= WPS_CONFIG_VIRT_PUSHBUTTON; | |
1358 | } | |
092acb54 JM |
1359 | |
1360 | return config_methods; | |
1361 | } | |
1362 | ||
1363 | ||
85a821d6 JM |
1364 | static void wpas_wps_set_uuid(struct wpa_supplicant *wpa_s, |
1365 | struct wps_context *wps) | |
1366 | { | |
ef93abde JM |
1367 | char buf[50]; |
1368 | const char *src; | |
1369 | ||
85a821d6 JM |
1370 | if (is_nil_uuid(wpa_s->conf->uuid)) { |
1371 | struct wpa_supplicant *first; | |
1372 | first = wpa_s->global->ifaces; | |
1373 | while (first && first->next) | |
1374 | first = first->next; | |
1375 | if (first && first != wpa_s) { | |
157cdad5 BG |
1376 | if (wps != wpa_s->global->ifaces->wps) |
1377 | os_memcpy(wps->uuid, | |
1378 | wpa_s->global->ifaces->wps->uuid, | |
1379 | WPS_UUID_LEN); | |
ef93abde | 1380 | src = "from the first interface"; |
85a821d6 JM |
1381 | } else { |
1382 | uuid_gen_mac_addr(wpa_s->own_addr, wps->uuid); | |
ef93abde | 1383 | src = "based on MAC address"; |
85a821d6 JM |
1384 | } |
1385 | } else { | |
1386 | os_memcpy(wps->uuid, wpa_s->conf->uuid, WPS_UUID_LEN); | |
ef93abde | 1387 | src = "based on configuration"; |
85a821d6 | 1388 | } |
ef93abde JM |
1389 | |
1390 | uuid_bin2str(wps->uuid, buf, sizeof(buf)); | |
1391 | wpa_dbg(wpa_s, MSG_DEBUG, "WPS: UUID %s: %s", src, buf); | |
85a821d6 JM |
1392 | } |
1393 | ||
1394 | ||
71dd3b78 AS |
1395 | static void wpas_wps_set_vendor_ext_m1(struct wpa_supplicant *wpa_s, |
1396 | struct wps_context *wps) | |
1397 | { | |
1398 | wpabuf_free(wps->dev.vendor_ext_m1); | |
1399 | wps->dev.vendor_ext_m1 = NULL; | |
1400 | ||
1401 | if (wpa_s->conf->wps_vendor_ext_m1) { | |
1402 | wps->dev.vendor_ext_m1 = | |
1403 | wpabuf_dup(wpa_s->conf->wps_vendor_ext_m1); | |
1404 | if (!wps->dev.vendor_ext_m1) { | |
1405 | wpa_printf(MSG_ERROR, "WPS: Cannot " | |
1406 | "allocate memory for vendor_ext_m1"); | |
1407 | } | |
1408 | } | |
1409 | } | |
1410 | ||
1411 | ||
116654ce JM |
1412 | int wpas_wps_init(struct wpa_supplicant *wpa_s) |
1413 | { | |
1414 | struct wps_context *wps; | |
c5adf528 | 1415 | struct wps_registrar_config rcfg; |
6fb6d842 | 1416 | struct hostapd_hw_modes *modes; |
6bf731e8 | 1417 | u16 m; |
116654ce JM |
1418 | |
1419 | wps = os_zalloc(sizeof(*wps)); | |
1420 | if (wps == NULL) | |
1421 | return -1; | |
1422 | ||
1423 | wps->cred_cb = wpa_supplicant_wps_cred; | |
4b68290e | 1424 | wps->event_cb = wpa_supplicant_wps_event; |
239abaf2 | 1425 | wps->rf_band_cb = wpa_supplicant_wps_rf_band; |
116654ce JM |
1426 | wps->cb_ctx = wpa_s; |
1427 | ||
3c0b7aa4 JM |
1428 | wps->dev.device_name = wpa_s->conf->device_name; |
1429 | wps->dev.manufacturer = wpa_s->conf->manufacturer; | |
1430 | wps->dev.model_name = wpa_s->conf->model_name; | |
1431 | wps->dev.model_number = wpa_s->conf->model_number; | |
1432 | wps->dev.serial_number = wpa_s->conf->serial_number; | |
c0e4dd9e JM |
1433 | wps->config_methods = |
1434 | wps_config_methods_str2bin(wpa_s->conf->config_methods); | |
979b988e JM |
1435 | if ((wps->config_methods & (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) == |
1436 | (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) { | |
1437 | wpa_printf(MSG_ERROR, "WPS: Both Label and Display config " | |
1438 | "methods are not allowed at the same time"); | |
1439 | os_free(wps); | |
1440 | return -1; | |
1441 | } | |
092acb54 | 1442 | wps->config_methods = wps_fix_config_methods(wps->config_methods); |
a9355fac | 1443 | wps->dev.config_methods = wps->config_methods; |
2f646b6e JB |
1444 | os_memcpy(wps->dev.pri_dev_type, wpa_s->conf->device_type, |
1445 | WPS_DEV_TYPE_LEN); | |
a9e86bfb | 1446 | |
2f646b6e JB |
1447 | wps->dev.num_sec_dev_types = wpa_s->conf->num_sec_device_types; |
1448 | os_memcpy(wps->dev.sec_dev_type, wpa_s->conf->sec_device_type, | |
1449 | WPS_DEV_TYPE_LEN * wps->dev.num_sec_dev_types); | |
a9e86bfb | 1450 | |
71dd3b78 AS |
1451 | wpas_wps_set_vendor_ext_m1(wpa_s, wps); |
1452 | ||
3c0b7aa4 | 1453 | wps->dev.os_version = WPA_GET_BE32(wpa_s->conf->os_version); |
6bf731e8 | 1454 | modes = wpa_s->hw.modes; |
6fb6d842 | 1455 | if (modes) { |
6bf731e8 | 1456 | for (m = 0; m < wpa_s->hw.num_modes; m++) { |
6fb6d842 BC |
1457 | if (modes[m].mode == HOSTAPD_MODE_IEEE80211B || |
1458 | modes[m].mode == HOSTAPD_MODE_IEEE80211G) | |
1459 | wps->dev.rf_bands |= WPS_RF_24GHZ; | |
1460 | else if (modes[m].mode == HOSTAPD_MODE_IEEE80211A) | |
1461 | wps->dev.rf_bands |= WPS_RF_50GHZ; | |
1462 | } | |
6fb6d842 BC |
1463 | } |
1464 | if (wps->dev.rf_bands == 0) { | |
1465 | /* | |
1466 | * Default to claiming support for both bands if the driver | |
1467 | * does not provide support for fetching supported bands. | |
1468 | */ | |
1469 | wps->dev.rf_bands = WPS_RF_24GHZ | WPS_RF_50GHZ; | |
1470 | } | |
398cfbf6 | 1471 | os_memcpy(wps->dev.mac_addr, wpa_s->own_addr, ETH_ALEN); |
85a821d6 | 1472 | wpas_wps_set_uuid(wpa_s, wps); |
116654ce | 1473 | |
c5adf528 JM |
1474 | wps->auth_types = WPS_AUTH_WPA2PSK | WPS_AUTH_WPAPSK; |
1475 | wps->encr_types = WPS_ENCR_AES | WPS_ENCR_TKIP; | |
1476 | ||
1477 | os_memset(&rcfg, 0, sizeof(rcfg)); | |
1478 | rcfg.new_psk_cb = wpas_wps_new_psk_cb; | |
1479 | rcfg.pin_needed_cb = wpas_wps_pin_needed_cb; | |
72df2f5f | 1480 | rcfg.set_sel_reg_cb = wpas_wps_set_sel_reg_cb; |
c5adf528 JM |
1481 | rcfg.cb_ctx = wpa_s; |
1482 | ||
1483 | wps->registrar = wps_registrar_init(wps, &rcfg); | |
1484 | if (wps->registrar == NULL) { | |
1485 | wpa_printf(MSG_DEBUG, "Failed to initialize WPS Registrar"); | |
1486 | os_free(wps); | |
1487 | return -1; | |
1488 | } | |
1489 | ||
116654ce JM |
1490 | wpa_s->wps = wps; |
1491 | ||
1492 | return 0; | |
1493 | } | |
1494 | ||
1495 | ||
50d1f890 JM |
1496 | #ifdef CONFIG_WPS_ER |
1497 | static void wpas_wps_nfc_clear(struct wps_context *wps) | |
1498 | { | |
1499 | wps->ap_nfc_dev_pw_id = 0; | |
1500 | wpabuf_free(wps->ap_nfc_dh_pubkey); | |
1501 | wps->ap_nfc_dh_pubkey = NULL; | |
1502 | wpabuf_free(wps->ap_nfc_dh_privkey); | |
1503 | wps->ap_nfc_dh_privkey = NULL; | |
1504 | wpabuf_free(wps->ap_nfc_dev_pw); | |
1505 | wps->ap_nfc_dev_pw = NULL; | |
1506 | } | |
1507 | #endif /* CONFIG_WPS_ER */ | |
1508 | ||
1509 | ||
116654ce JM |
1510 | void wpas_wps_deinit(struct wpa_supplicant *wpa_s) |
1511 | { | |
150fd0b2 | 1512 | wpas_wps_assoc_with_cred_cancel(wpa_s); |
fcc60db4 | 1513 | eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL); |
2e145e91 | 1514 | eloop_cancel_timeout(wpas_wps_clear_timeout, wpa_s, NULL); |
ec947ffc | 1515 | eloop_cancel_timeout(wpas_wps_reenable_networks_cb, wpa_s, NULL); |
f9f0526b | 1516 | wpas_wps_clear_ap_info(wpa_s); |
fcc60db4 | 1517 | |
fb2ac53d AC |
1518 | #ifdef CONFIG_P2P |
1519 | eloop_cancel_timeout(wpas_p2p_pbc_overlap_cb, wpa_s, NULL); | |
1520 | #endif /* CONFIG_P2P */ | |
1521 | ||
116654ce JM |
1522 | if (wpa_s->wps == NULL) |
1523 | return; | |
1524 | ||
a6b63078 | 1525 | #ifdef CONFIG_WPS_ER |
1a1bf008 | 1526 | wps_er_deinit(wpa_s->wps_er, NULL, NULL); |
a6b63078 | 1527 | wpa_s->wps_er = NULL; |
50d1f890 | 1528 | wpas_wps_nfc_clear(wpa_s->wps); |
a6b63078 JM |
1529 | #endif /* CONFIG_WPS_ER */ |
1530 | ||
c5adf528 | 1531 | wps_registrar_deinit(wpa_s->wps->registrar); |
46bdb83a MH |
1532 | wpabuf_free(wpa_s->wps->dh_pubkey); |
1533 | wpabuf_free(wpa_s->wps->dh_privkey); | |
71dd3b78 | 1534 | wpabuf_free(wpa_s->wps->dev.vendor_ext_m1); |
116654ce JM |
1535 | os_free(wpa_s->wps->network_key); |
1536 | os_free(wpa_s->wps); | |
1537 | wpa_s->wps = NULL; | |
1538 | } | |
351f09a2 JM |
1539 | |
1540 | ||
a6099152 | 1541 | int wpas_wps_ssid_bss_match(struct wpa_supplicant *wpa_s, |
620c7837 | 1542 | struct wpa_ssid *ssid, struct wpa_bss *bss) |
351f09a2 JM |
1543 | { |
1544 | struct wpabuf *wps_ie; | |
1545 | ||
1546 | if (!(ssid->key_mgmt & WPA_KEY_MGMT_WPS)) | |
1547 | return -1; | |
1548 | ||
620c7837 | 1549 | wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE); |
351f09a2 JM |
1550 | if (eap_is_wps_pbc_enrollee(&ssid->eap)) { |
1551 | if (!wps_ie) { | |
1552 | wpa_printf(MSG_DEBUG, " skip - non-WPS AP"); | |
1553 | return 0; | |
1554 | } | |
1555 | ||
1556 | if (!wps_is_selected_pbc_registrar(wps_ie)) { | |
1557 | wpa_printf(MSG_DEBUG, " skip - WPS AP " | |
1558 | "without active PBC Registrar"); | |
1559 | wpabuf_free(wps_ie); | |
1560 | return 0; | |
1561 | } | |
1562 | ||
1563 | /* TODO: overlap detection */ | |
1564 | wpa_printf(MSG_DEBUG, " selected based on WPS IE " | |
1565 | "(Active PBC)"); | |
1566 | wpabuf_free(wps_ie); | |
1567 | return 1; | |
1568 | } | |
1569 | ||
1570 | if (eap_is_wps_pin_enrollee(&ssid->eap)) { | |
1571 | if (!wps_ie) { | |
1572 | wpa_printf(MSG_DEBUG, " skip - non-WPS AP"); | |
1573 | return 0; | |
1574 | } | |
1575 | ||
a6099152 | 1576 | /* |
31fcea93 JM |
1577 | * Start with WPS APs that advertise our address as an |
1578 | * authorized MAC (v2.0) or active PIN Registrar (v1.0) and | |
1579 | * allow any WPS AP after couple of scans since some APs do not | |
1580 | * set Selected Registrar attribute properly when using | |
1581 | * external Registrar. | |
a6099152 | 1582 | */ |
31fcea93 | 1583 | if (!wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 1)) { |
a6099152 JM |
1584 | if (wpa_s->scan_runs < WPS_PIN_SCAN_IGNORE_SEL_REG) { |
1585 | wpa_printf(MSG_DEBUG, " skip - WPS AP " | |
1586 | "without active PIN Registrar"); | |
1587 | wpabuf_free(wps_ie); | |
1588 | return 0; | |
1589 | } | |
1590 | wpa_printf(MSG_DEBUG, " selected based on WPS IE"); | |
1591 | } else { | |
1592 | wpa_printf(MSG_DEBUG, " selected based on WPS IE " | |
31fcea93 | 1593 | "(Authorized MAC or Active PIN)"); |
351f09a2 | 1594 | } |
351f09a2 JM |
1595 | wpabuf_free(wps_ie); |
1596 | return 1; | |
1597 | } | |
1598 | ||
1599 | if (wps_ie) { | |
1600 | wpa_printf(MSG_DEBUG, " selected based on WPS IE"); | |
1601 | wpabuf_free(wps_ie); | |
1602 | return 1; | |
1603 | } | |
1604 | ||
1605 | return -1; | |
1606 | } | |
1607 | ||
1608 | ||
a6099152 JM |
1609 | int wpas_wps_ssid_wildcard_ok(struct wpa_supplicant *wpa_s, |
1610 | struct wpa_ssid *ssid, | |
620c7837 | 1611 | struct wpa_bss *bss) |
351f09a2 JM |
1612 | { |
1613 | struct wpabuf *wps_ie = NULL; | |
1614 | int ret = 0; | |
1615 | ||
1616 | if (eap_is_wps_pbc_enrollee(&ssid->eap)) { | |
620c7837 | 1617 | wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE); |
351f09a2 JM |
1618 | if (wps_ie && wps_is_selected_pbc_registrar(wps_ie)) { |
1619 | /* allow wildcard SSID for WPS PBC */ | |
1620 | ret = 1; | |
1621 | } | |
1622 | } else if (eap_is_wps_pin_enrollee(&ssid->eap)) { | |
620c7837 | 1623 | wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE); |
a6099152 | 1624 | if (wps_ie && |
31fcea93 | 1625 | (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 1) || |
a6099152 | 1626 | wpa_s->scan_runs >= WPS_PIN_SCAN_IGNORE_SEL_REG)) { |
351f09a2 JM |
1627 | /* allow wildcard SSID for WPS PIN */ |
1628 | ret = 1; | |
1629 | } | |
1630 | } | |
1631 | ||
24c23d1b JM |
1632 | if (!ret && ssid->bssid_set && |
1633 | os_memcmp(ssid->bssid, bss->bssid, ETH_ALEN) == 0) { | |
1634 | /* allow wildcard SSID due to hardcoded BSSID match */ | |
1635 | ret = 1; | |
1636 | } | |
1637 | ||
54f489be JM |
1638 | #ifdef CONFIG_WPS_STRICT |
1639 | if (wps_ie) { | |
1640 | if (wps_validate_beacon_probe_resp(wps_ie, bss->beacon_ie_len > | |
ff28ccaf | 1641 | 0, bss->bssid) < 0) |
54f489be JM |
1642 | ret = 0; |
1643 | if (bss->beacon_ie_len) { | |
1644 | struct wpabuf *bcn_wps; | |
620c7837 | 1645 | bcn_wps = wpa_bss_get_vendor_ie_multi_beacon( |
54f489be JM |
1646 | bss, WPS_IE_VENDOR_TYPE); |
1647 | if (bcn_wps == NULL) { | |
1648 | wpa_printf(MSG_DEBUG, "WPS: Mandatory WPS IE " | |
1649 | "missing from AP Beacon"); | |
1650 | ret = 0; | |
1651 | } else { | |
1652 | if (wps_validate_beacon(wps_ie) < 0) | |
1653 | ret = 0; | |
1654 | wpabuf_free(bcn_wps); | |
1655 | } | |
1656 | } | |
1657 | } | |
1658 | #endif /* CONFIG_WPS_STRICT */ | |
1659 | ||
351f09a2 JM |
1660 | wpabuf_free(wps_ie); |
1661 | ||
1662 | return ret; | |
1663 | } | |
1664 | ||
1665 | ||
1666 | int wpas_wps_scan_pbc_overlap(struct wpa_supplicant *wpa_s, | |
6fa81a3b | 1667 | struct wpa_bss *selected, struct wpa_ssid *ssid) |
351f09a2 JM |
1668 | { |
1669 | const u8 *sel_uuid, *uuid; | |
351f09a2 JM |
1670 | struct wpabuf *wps_ie; |
1671 | int ret = 0; | |
6fa81a3b | 1672 | struct wpa_bss *bss; |
351f09a2 JM |
1673 | |
1674 | if (!eap_is_wps_pbc_enrollee(&ssid->eap)) | |
1675 | return 0; | |
1676 | ||
9647120b JM |
1677 | wpa_printf(MSG_DEBUG, "WPS: Check whether PBC session overlap is " |
1678 | "present in scan results; selected BSSID " MACSTR, | |
1679 | MAC2STR(selected->bssid)); | |
1680 | ||
351f09a2 | 1681 | /* Make sure that only one AP is in active PBC mode */ |
6fa81a3b | 1682 | wps_ie = wpa_bss_get_vendor_ie_multi(selected, WPS_IE_VENDOR_TYPE); |
9647120b | 1683 | if (wps_ie) { |
351f09a2 | 1684 | sel_uuid = wps_get_uuid_e(wps_ie); |
9647120b JM |
1685 | wpa_hexdump(MSG_DEBUG, "WPS: UUID of the selected BSS", |
1686 | sel_uuid, UUID_LEN); | |
1687 | } else { | |
1688 | wpa_printf(MSG_DEBUG, "WPS: Selected BSS does not include " | |
1689 | "WPS IE?!"); | |
351f09a2 | 1690 | sel_uuid = NULL; |
9647120b | 1691 | } |
351f09a2 | 1692 | |
6fa81a3b | 1693 | dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) { |
351f09a2 JM |
1694 | struct wpabuf *ie; |
1695 | if (bss == selected) | |
1696 | continue; | |
6fa81a3b | 1697 | ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE); |
351f09a2 JM |
1698 | if (!ie) |
1699 | continue; | |
1700 | if (!wps_is_selected_pbc_registrar(ie)) { | |
1701 | wpabuf_free(ie); | |
1702 | continue; | |
1703 | } | |
9647120b JM |
1704 | wpa_printf(MSG_DEBUG, "WPS: Another BSS in active PBC mode: " |
1705 | MACSTR, MAC2STR(bss->bssid)); | |
351f09a2 | 1706 | uuid = wps_get_uuid_e(ie); |
9647120b JM |
1707 | wpa_hexdump(MSG_DEBUG, "WPS: UUID of the other BSS", |
1708 | uuid, UUID_LEN); | |
44cd430f | 1709 | if (sel_uuid == NULL || uuid == NULL || |
9647120b | 1710 | os_memcmp(sel_uuid, uuid, UUID_LEN) != 0) { |
351f09a2 | 1711 | ret = 1; /* PBC overlap */ |
9647120b JM |
1712 | wpa_msg(wpa_s, MSG_INFO, "WPS: PBC overlap detected: " |
1713 | MACSTR " and " MACSTR, | |
1714 | MAC2STR(selected->bssid), | |
1715 | MAC2STR(bss->bssid)); | |
351f09a2 JM |
1716 | wpabuf_free(ie); |
1717 | break; | |
1718 | } | |
1719 | ||
1720 | /* TODO: verify that this is reasonable dual-band situation */ | |
484957ae JM |
1721 | |
1722 | wpabuf_free(ie); | |
351f09a2 JM |
1723 | } |
1724 | ||
1725 | wpabuf_free(wps_ie); | |
1726 | ||
1727 | return ret; | |
1728 | } | |
a524f05e JM |
1729 | |
1730 | ||
1731 | void wpas_wps_notify_scan_results(struct wpa_supplicant *wpa_s) | |
1732 | { | |
6fa81a3b | 1733 | struct wpa_bss *bss; |
6c6ad81f | 1734 | unsigned int pbc = 0, auth = 0, pin = 0, wps = 0; |
a524f05e JM |
1735 | |
1736 | if (wpa_s->disconnected || wpa_s->wpa_state >= WPA_ASSOCIATED) | |
1737 | return; | |
1738 | ||
6fa81a3b | 1739 | dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) { |
a524f05e | 1740 | struct wpabuf *ie; |
6fa81a3b | 1741 | ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE); |
a524f05e JM |
1742 | if (!ie) |
1743 | continue; | |
1744 | if (wps_is_selected_pbc_registrar(ie)) | |
6c6ad81f | 1745 | pbc++; |
31fcea93 | 1746 | else if (wps_is_addr_authorized(ie, wpa_s->own_addr, 0)) |
6c6ad81f | 1747 | auth++; |
a524f05e | 1748 | else if (wps_is_selected_pin_registrar(ie)) |
6c6ad81f | 1749 | pin++; |
a524f05e | 1750 | else |
6c6ad81f | 1751 | wps++; |
a524f05e | 1752 | wpabuf_free(ie); |
a524f05e | 1753 | } |
6c6ad81f JM |
1754 | |
1755 | if (pbc) | |
1756 | wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE_PBC); | |
1757 | else if (auth) | |
1758 | wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE_AUTH); | |
1759 | else if (pin) | |
1760 | wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE_PIN); | |
1761 | else if (wps) | |
1762 | wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE); | |
a524f05e | 1763 | } |
24c23d1b JM |
1764 | |
1765 | ||
1766 | int wpas_wps_searching(struct wpa_supplicant *wpa_s) | |
1767 | { | |
1768 | struct wpa_ssid *ssid; | |
1769 | ||
1770 | for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) { | |
1771 | if ((ssid->key_mgmt & WPA_KEY_MGMT_WPS) && !ssid->disabled) | |
1772 | return 1; | |
1773 | } | |
1774 | ||
1775 | return 0; | |
1776 | } | |
611ed491 JM |
1777 | |
1778 | ||
1779 | int wpas_wps_scan_result_text(const u8 *ies, size_t ies_len, char *buf, | |
1780 | char *end) | |
1781 | { | |
1782 | struct wpabuf *wps_ie; | |
1783 | int ret; | |
1784 | ||
1785 | wps_ie = ieee802_11_vendor_ie_concat(ies, ies_len, WPS_DEV_OUI_WFA); | |
1786 | if (wps_ie == NULL) | |
1787 | return 0; | |
1788 | ||
1789 | ret = wps_attr_text(wps_ie, buf, end); | |
1790 | wpabuf_free(wps_ie); | |
1791 | return ret; | |
1792 | } | |
e9bcfebf JM |
1793 | |
1794 | ||
08486685 | 1795 | int wpas_wps_er_start(struct wpa_supplicant *wpa_s, const char *filter) |
e9bcfebf JM |
1796 | { |
1797 | #ifdef CONFIG_WPS_ER | |
1798 | if (wpa_s->wps_er) { | |
b3f371ca | 1799 | wps_er_refresh(wpa_s->wps_er); |
e9bcfebf JM |
1800 | return 0; |
1801 | } | |
08486685 | 1802 | wpa_s->wps_er = wps_er_init(wpa_s->wps, wpa_s->ifname, filter); |
e9bcfebf JM |
1803 | if (wpa_s->wps_er == NULL) |
1804 | return -1; | |
1805 | return 0; | |
1806 | #else /* CONFIG_WPS_ER */ | |
1807 | return 0; | |
1808 | #endif /* CONFIG_WPS_ER */ | |
1809 | } | |
1810 | ||
1811 | ||
f77cedc1 | 1812 | void wpas_wps_er_stop(struct wpa_supplicant *wpa_s) |
e9bcfebf JM |
1813 | { |
1814 | #ifdef CONFIG_WPS_ER | |
1a1bf008 | 1815 | wps_er_deinit(wpa_s->wps_er, NULL, NULL); |
e9bcfebf JM |
1816 | wpa_s->wps_er = NULL; |
1817 | #endif /* CONFIG_WPS_ER */ | |
e9bcfebf | 1818 | } |
72df2f5f JM |
1819 | |
1820 | ||
1821 | #ifdef CONFIG_WPS_ER | |
31fcea93 JM |
1822 | int wpas_wps_er_add_pin(struct wpa_supplicant *wpa_s, const u8 *addr, |
1823 | const char *uuid, const char *pin) | |
72df2f5f JM |
1824 | { |
1825 | u8 u[UUID_LEN]; | |
e205401c JM |
1826 | const u8 *use_uuid = NULL; |
1827 | u8 addr_buf[ETH_ALEN]; | |
72df2f5f | 1828 | |
e205401c JM |
1829 | if (os_strcmp(uuid, "any") == 0) { |
1830 | } else if (uuid_str2bin(uuid, u) == 0) { | |
1831 | use_uuid = u; | |
1832 | } else if (hwaddr_aton(uuid, addr_buf) == 0) { | |
1833 | use_uuid = wps_er_get_sta_uuid(wpa_s->wps_er, addr_buf); | |
1834 | if (use_uuid == NULL) | |
1835 | return -1; | |
1836 | } else | |
72df2f5f | 1837 | return -1; |
31fcea93 | 1838 | return wps_registrar_add_pin(wpa_s->wps->registrar, addr, |
e205401c | 1839 | use_uuid, |
72df2f5f JM |
1840 | (const u8 *) pin, os_strlen(pin), 300); |
1841 | } | |
564cd7fa JM |
1842 | |
1843 | ||
1844 | int wpas_wps_er_pbc(struct wpa_supplicant *wpa_s, const char *uuid) | |
1845 | { | |
e205401c JM |
1846 | u8 u[UUID_LEN], *use_uuid = NULL; |
1847 | u8 addr[ETH_ALEN], *use_addr = NULL; | |
564cd7fa | 1848 | |
e205401c JM |
1849 | if (uuid_str2bin(uuid, u) == 0) |
1850 | use_uuid = u; | |
1851 | else if (hwaddr_aton(uuid, addr) == 0) | |
1852 | use_addr = addr; | |
1853 | else | |
564cd7fa | 1854 | return -1; |
e205401c | 1855 | return wps_er_pbc(wpa_s->wps_er, use_uuid, use_addr); |
564cd7fa | 1856 | } |
e64dcfd5 JM |
1857 | |
1858 | ||
1859 | int wpas_wps_er_learn(struct wpa_supplicant *wpa_s, const char *uuid, | |
1860 | const char *pin) | |
1861 | { | |
59307b30 JM |
1862 | u8 u[UUID_LEN], *use_uuid = NULL; |
1863 | u8 addr[ETH_ALEN], *use_addr = NULL; | |
e64dcfd5 | 1864 | |
59307b30 JM |
1865 | if (uuid_str2bin(uuid, u) == 0) |
1866 | use_uuid = u; | |
1867 | else if (hwaddr_aton(uuid, addr) == 0) | |
1868 | use_addr = addr; | |
1869 | else | |
e64dcfd5 | 1870 | return -1; |
59307b30 JM |
1871 | |
1872 | return wps_er_learn(wpa_s->wps_er, use_uuid, use_addr, (const u8 *) pin, | |
e64dcfd5 JM |
1873 | os_strlen(pin)); |
1874 | } | |
1a1bf008 JM |
1875 | |
1876 | ||
88c8bf31 JM |
1877 | static int wpas_wps_network_to_cred(struct wpa_ssid *ssid, |
1878 | struct wps_credential *cred) | |
1879 | { | |
1880 | os_memset(cred, 0, sizeof(*cred)); | |
1881 | if (ssid->ssid_len > 32) | |
1882 | return -1; | |
1883 | os_memcpy(cred->ssid, ssid->ssid, ssid->ssid_len); | |
1884 | cred->ssid_len = ssid->ssid_len; | |
1885 | if (ssid->key_mgmt & WPA_KEY_MGMT_PSK) { | |
1886 | cred->auth_type = (ssid->proto & WPA_PROTO_RSN) ? | |
1887 | WPS_AUTH_WPA2PSK : WPS_AUTH_WPAPSK; | |
1888 | if (ssid->pairwise_cipher & WPA_CIPHER_CCMP) | |
1889 | cred->encr_type = WPS_ENCR_AES; | |
1890 | else | |
1891 | cred->encr_type = WPS_ENCR_TKIP; | |
1892 | if (ssid->passphrase) { | |
1893 | cred->key_len = os_strlen(ssid->passphrase); | |
1894 | if (cred->key_len >= 64) | |
1895 | return -1; | |
1896 | os_memcpy(cred->key, ssid->passphrase, cred->key_len); | |
1897 | } else if (ssid->psk_set) { | |
1898 | cred->key_len = 32; | |
1899 | os_memcpy(cred->key, ssid->psk, 32); | |
1900 | } else | |
1901 | return -1; | |
1902 | } else { | |
1903 | cred->auth_type = WPS_AUTH_OPEN; | |
1904 | cred->encr_type = WPS_ENCR_NONE; | |
1905 | } | |
1906 | ||
1907 | return 0; | |
1908 | } | |
1909 | ||
1910 | ||
ef10f473 JM |
1911 | int wpas_wps_er_set_config(struct wpa_supplicant *wpa_s, const char *uuid, |
1912 | int id) | |
1913 | { | |
59307b30 JM |
1914 | u8 u[UUID_LEN], *use_uuid = NULL; |
1915 | u8 addr[ETH_ALEN], *use_addr = NULL; | |
ef10f473 JM |
1916 | struct wpa_ssid *ssid; |
1917 | struct wps_credential cred; | |
1918 | ||
59307b30 JM |
1919 | if (uuid_str2bin(uuid, u) == 0) |
1920 | use_uuid = u; | |
1921 | else if (hwaddr_aton(uuid, addr) == 0) | |
1922 | use_addr = addr; | |
1923 | else | |
ef10f473 JM |
1924 | return -1; |
1925 | ssid = wpa_config_get_network(wpa_s->conf, id); | |
1926 | if (ssid == NULL || ssid->ssid == NULL) | |
1927 | return -1; | |
1928 | ||
88c8bf31 | 1929 | if (wpas_wps_network_to_cred(ssid, &cred) < 0) |
ef10f473 | 1930 | return -1; |
59307b30 | 1931 | return wps_er_set_config(wpa_s->wps_er, use_uuid, use_addr, &cred); |
ef10f473 JM |
1932 | } |
1933 | ||
1934 | ||
7d6640a6 JM |
1935 | int wpas_wps_er_config(struct wpa_supplicant *wpa_s, const char *uuid, |
1936 | const char *pin, struct wps_new_ap_settings *settings) | |
1937 | { | |
59307b30 JM |
1938 | u8 u[UUID_LEN], *use_uuid = NULL; |
1939 | u8 addr[ETH_ALEN], *use_addr = NULL; | |
7d6640a6 JM |
1940 | struct wps_credential cred; |
1941 | size_t len; | |
1942 | ||
59307b30 JM |
1943 | if (uuid_str2bin(uuid, u) == 0) |
1944 | use_uuid = u; | |
1945 | else if (hwaddr_aton(uuid, addr) == 0) | |
1946 | use_addr = addr; | |
1947 | else | |
7d6640a6 JM |
1948 | return -1; |
1949 | if (settings->ssid_hex == NULL || settings->auth == NULL || | |
1950 | settings->encr == NULL || settings->key_hex == NULL) | |
1951 | return -1; | |
1952 | ||
1953 | os_memset(&cred, 0, sizeof(cred)); | |
1954 | len = os_strlen(settings->ssid_hex); | |
1955 | if ((len & 1) || len > 2 * sizeof(cred.ssid) || | |
1956 | hexstr2bin(settings->ssid_hex, cred.ssid, len / 2)) | |
1957 | return -1; | |
1958 | cred.ssid_len = len / 2; | |
1959 | ||
1960 | len = os_strlen(settings->key_hex); | |
1961 | if ((len & 1) || len > 2 * sizeof(cred.key) || | |
1962 | hexstr2bin(settings->key_hex, cred.key, len / 2)) | |
1963 | return -1; | |
1964 | cred.key_len = len / 2; | |
1965 | ||
1966 | if (os_strcmp(settings->auth, "OPEN") == 0) | |
1967 | cred.auth_type = WPS_AUTH_OPEN; | |
1968 | else if (os_strcmp(settings->auth, "WPAPSK") == 0) | |
1969 | cred.auth_type = WPS_AUTH_WPAPSK; | |
1970 | else if (os_strcmp(settings->auth, "WPA2PSK") == 0) | |
1971 | cred.auth_type = WPS_AUTH_WPA2PSK; | |
1972 | else | |
1973 | return -1; | |
1974 | ||
1975 | if (os_strcmp(settings->encr, "NONE") == 0) | |
1976 | cred.encr_type = WPS_ENCR_NONE; | |
dc390043 | 1977 | #ifdef CONFIG_TESTING_OPTIONS |
7d6640a6 JM |
1978 | else if (os_strcmp(settings->encr, "WEP") == 0) |
1979 | cred.encr_type = WPS_ENCR_WEP; | |
dc390043 | 1980 | #endif /* CONFIG_TESTING_OPTIONS */ |
7d6640a6 JM |
1981 | else if (os_strcmp(settings->encr, "TKIP") == 0) |
1982 | cred.encr_type = WPS_ENCR_TKIP; | |
1983 | else if (os_strcmp(settings->encr, "CCMP") == 0) | |
1984 | cred.encr_type = WPS_ENCR_AES; | |
1985 | else | |
1986 | return -1; | |
1987 | ||
59307b30 JM |
1988 | return wps_er_config(wpa_s->wps_er, use_uuid, use_addr, |
1989 | (const u8 *) pin, os_strlen(pin), &cred); | |
7d6640a6 JM |
1990 | } |
1991 | ||
1992 | ||
1cea09a9 JM |
1993 | #ifdef CONFIG_WPS_NFC |
1994 | struct wpabuf * wpas_wps_er_nfc_config_token(struct wpa_supplicant *wpa_s, | |
1995 | int ndef, const char *uuid) | |
1996 | { | |
1997 | struct wpabuf *ret; | |
59307b30 JM |
1998 | u8 u[UUID_LEN], *use_uuid = NULL; |
1999 | u8 addr[ETH_ALEN], *use_addr = NULL; | |
1cea09a9 JM |
2000 | |
2001 | if (!wpa_s->wps_er) | |
2002 | return NULL; | |
2003 | ||
59307b30 JM |
2004 | if (uuid_str2bin(uuid, u) == 0) |
2005 | use_uuid = u; | |
2006 | else if (hwaddr_aton(uuid, addr) == 0) | |
2007 | use_addr = addr; | |
2008 | else | |
1cea09a9 JM |
2009 | return NULL; |
2010 | ||
59307b30 | 2011 | ret = wps_er_nfc_config_token(wpa_s->wps_er, use_uuid, use_addr); |
1cea09a9 JM |
2012 | if (ndef && ret) { |
2013 | struct wpabuf *tmp; | |
2014 | tmp = ndef_build_wifi(ret); | |
2015 | wpabuf_free(ret); | |
2016 | if (tmp == NULL) | |
2017 | return NULL; | |
2018 | ret = tmp; | |
2019 | } | |
2020 | ||
2021 | return ret; | |
2022 | } | |
2023 | #endif /* CONFIG_WPS_NFC */ | |
2024 | ||
2025 | ||
4c9695be BG |
2026 | static int callbacks_pending = 0; |
2027 | ||
1a1bf008 JM |
2028 | static void wpas_wps_terminate_cb(void *ctx) |
2029 | { | |
2030 | wpa_printf(MSG_DEBUG, "WPS ER: Terminated"); | |
4c9695be BG |
2031 | if (--callbacks_pending <= 0) |
2032 | eloop_terminate(); | |
1a1bf008 JM |
2033 | } |
2034 | #endif /* CONFIG_WPS_ER */ | |
2035 | ||
2036 | ||
2037 | int wpas_wps_terminate_pending(struct wpa_supplicant *wpa_s) | |
2038 | { | |
2039 | #ifdef CONFIG_WPS_ER | |
2040 | if (wpa_s->wps_er) { | |
4c9695be | 2041 | callbacks_pending++; |
1a1bf008 JM |
2042 | wps_er_deinit(wpa_s->wps_er, wpas_wps_terminate_cb, wpa_s); |
2043 | wpa_s->wps_er = NULL; | |
2044 | return 1; | |
2045 | } | |
72df2f5f | 2046 | #endif /* CONFIG_WPS_ER */ |
1a1bf008 JM |
2047 | return 0; |
2048 | } | |
41e650ae JM |
2049 | |
2050 | ||
611aea7d JM |
2051 | void wpas_wps_update_config(struct wpa_supplicant *wpa_s) |
2052 | { | |
2053 | struct wps_context *wps = wpa_s->wps; | |
2054 | ||
2055 | if (wps == NULL) | |
2056 | return; | |
2057 | ||
2058 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_CONFIG_METHODS) { | |
2059 | wps->config_methods = wps_config_methods_str2bin( | |
2060 | wpa_s->conf->config_methods); | |
2061 | if ((wps->config_methods & | |
2062 | (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) == | |
2063 | (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) { | |
2064 | wpa_printf(MSG_ERROR, "WPS: Both Label and Display " | |
2065 | "config methods are not allowed at the " | |
2066 | "same time"); | |
2067 | wps->config_methods &= ~WPS_CONFIG_LABEL; | |
2068 | } | |
2069 | } | |
092acb54 | 2070 | wps->config_methods = wps_fix_config_methods(wps->config_methods); |
c8b245b6 | 2071 | wps->dev.config_methods = wps->config_methods; |
611aea7d | 2072 | |
2f646b6e JB |
2073 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_DEVICE_TYPE) |
2074 | os_memcpy(wps->dev.pri_dev_type, wpa_s->conf->device_type, | |
2075 | WPS_DEV_TYPE_LEN); | |
611aea7d | 2076 | |
a9e86bfb | 2077 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_SEC_DEVICE_TYPE) { |
2f646b6e JB |
2078 | wps->dev.num_sec_dev_types = wpa_s->conf->num_sec_device_types; |
2079 | os_memcpy(wps->dev.sec_dev_type, wpa_s->conf->sec_device_type, | |
2080 | wps->dev.num_sec_dev_types * WPS_DEV_TYPE_LEN); | |
a9e86bfb JMB |
2081 | } |
2082 | ||
71dd3b78 AS |
2083 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_VENDOR_EXTENSION) |
2084 | wpas_wps_set_vendor_ext_m1(wpa_s, wps); | |
2085 | ||
611aea7d JM |
2086 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_OS_VERSION) |
2087 | wps->dev.os_version = WPA_GET_BE32(wpa_s->conf->os_version); | |
2088 | ||
85a821d6 JM |
2089 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_UUID) |
2090 | wpas_wps_set_uuid(wpa_s, wps); | |
dcf788d1 | 2091 | |
1c9cb49f JM |
2092 | if (wpa_s->conf->changed_parameters & |
2093 | (CFG_CHANGED_DEVICE_NAME | CFG_CHANGED_WPS_STRING)) { | |
dcf788d1 JM |
2094 | /* Update pointers to make sure they refer current values */ |
2095 | wps->dev.device_name = wpa_s->conf->device_name; | |
2096 | wps->dev.manufacturer = wpa_s->conf->manufacturer; | |
2097 | wps->dev.model_name = wpa_s->conf->model_name; | |
2098 | wps->dev.model_number = wpa_s->conf->model_number; | |
2099 | wps->dev.serial_number = wpa_s->conf->serial_number; | |
2100 | } | |
611aea7d | 2101 | } |
3f2c8ba6 JM |
2102 | |
2103 | ||
2104 | #ifdef CONFIG_WPS_NFC | |
2105 | ||
88c8bf31 JM |
2106 | #ifdef CONFIG_WPS_ER |
2107 | static struct wpabuf * | |
2108 | wpas_wps_network_config_token(struct wpa_supplicant *wpa_s, int ndef, | |
2109 | struct wpa_ssid *ssid) | |
2110 | { | |
2111 | struct wpabuf *ret; | |
2112 | struct wps_credential cred; | |
2113 | ||
2114 | if (wpas_wps_network_to_cred(ssid, &cred) < 0) | |
2115 | return NULL; | |
2116 | ||
2117 | ret = wps_er_config_token_from_cred(wpa_s->wps, &cred); | |
2118 | ||
2119 | if (ndef && ret) { | |
2120 | struct wpabuf *tmp; | |
2121 | tmp = ndef_build_wifi(ret); | |
2122 | wpabuf_free(ret); | |
2123 | if (tmp == NULL) | |
2124 | return NULL; | |
2125 | ret = tmp; | |
2126 | } | |
2127 | ||
2128 | return ret; | |
2129 | } | |
2130 | #endif /* CONFIG_WPS_ER */ | |
2131 | ||
2132 | ||
bbf41865 | 2133 | struct wpabuf * wpas_wps_nfc_config_token(struct wpa_supplicant *wpa_s, |
88c8bf31 | 2134 | int ndef, const char *id_str) |
bbf41865 | 2135 | { |
88c8bf31 JM |
2136 | #ifdef CONFIG_WPS_ER |
2137 | if (id_str) { | |
2138 | int id; | |
2139 | char *end = NULL; | |
2140 | struct wpa_ssid *ssid; | |
2141 | ||
2142 | id = strtol(id_str, &end, 10); | |
2143 | if (end && *end) | |
2144 | return NULL; | |
2145 | ||
2146 | ssid = wpa_config_get_network(wpa_s->conf, id); | |
2147 | if (ssid == NULL) | |
2148 | return NULL; | |
2149 | return wpas_wps_network_config_token(wpa_s, ndef, ssid); | |
2150 | } | |
2151 | #endif /* CONFIG_WPS_ER */ | |
bbf41865 JM |
2152 | #ifdef CONFIG_AP |
2153 | if (wpa_s->ap_iface) | |
2154 | return wpas_ap_wps_nfc_config_token(wpa_s, ndef); | |
2155 | #endif /* CONFIG_AP */ | |
2156 | return NULL; | |
2157 | } | |
2158 | ||
2159 | ||
3f2c8ba6 JM |
2160 | struct wpabuf * wpas_wps_nfc_token(struct wpa_supplicant *wpa_s, int ndef) |
2161 | { | |
042ec551 JM |
2162 | if (wpa_s->conf->wps_nfc_pw_from_config) { |
2163 | return wps_nfc_token_build(ndef, | |
2164 | wpa_s->conf->wps_nfc_dev_pw_id, | |
2165 | wpa_s->conf->wps_nfc_dh_pubkey, | |
2166 | wpa_s->conf->wps_nfc_dev_pw); | |
2167 | } | |
2168 | ||
bfc62fe1 JM |
2169 | return wps_nfc_token_gen(ndef, &wpa_s->conf->wps_nfc_dev_pw_id, |
2170 | &wpa_s->conf->wps_nfc_dh_pubkey, | |
2171 | &wpa_s->conf->wps_nfc_dh_privkey, | |
2172 | &wpa_s->conf->wps_nfc_dev_pw); | |
3f2c8ba6 JM |
2173 | } |
2174 | ||
2175 | ||
23318bea JM |
2176 | int wpas_wps_start_nfc(struct wpa_supplicant *wpa_s, const u8 *go_dev_addr, |
2177 | const u8 *bssid, | |
5f454557 | 2178 | const struct wpabuf *dev_pw, u16 dev_pw_id, |
57630e65 | 2179 | int p2p_group, const u8 *peer_pubkey_hash, |
91a65018 | 2180 | const u8 *ssid, size_t ssid_len, int freq) |
3f2c8ba6 JM |
2181 | { |
2182 | struct wps_context *wps = wpa_s->wps; | |
2183 | char pw[32 * 2 + 1]; | |
2184 | ||
fa4c2988 | 2185 | if (dev_pw_id != DEV_PW_NFC_CONNECTION_HANDOVER && dev_pw == NULL) { |
5f454557 JM |
2186 | dev_pw = wpa_s->conf->wps_nfc_dev_pw; |
2187 | dev_pw_id = wpa_s->conf->wps_nfc_dev_pw_id; | |
2188 | } | |
2189 | ||
3f2c8ba6 | 2190 | if (wpa_s->conf->wps_nfc_dh_pubkey == NULL || |
fa4c2988 JM |
2191 | wpa_s->conf->wps_nfc_dh_privkey == NULL) { |
2192 | wpa_printf(MSG_DEBUG, "WPS: Missing DH params - " | |
2193 | "cannot start NFC-triggered connection"); | |
2194 | return -1; | |
2195 | } | |
2196 | ||
2197 | if (dev_pw_id != DEV_PW_NFC_CONNECTION_HANDOVER && dev_pw == NULL) { | |
2198 | wpa_printf(MSG_DEBUG, "WPS: Missing Device Password (id=%u) - " | |
2199 | "cannot start NFC-triggered connection", dev_pw_id); | |
3f2c8ba6 | 2200 | return -1; |
fa4c2988 | 2201 | } |
3f2c8ba6 JM |
2202 | |
2203 | dh5_free(wps->dh_ctx); | |
2204 | wpabuf_free(wps->dh_pubkey); | |
2205 | wpabuf_free(wps->dh_privkey); | |
2206 | wps->dh_privkey = wpabuf_dup(wpa_s->conf->wps_nfc_dh_privkey); | |
2207 | wps->dh_pubkey = wpabuf_dup(wpa_s->conf->wps_nfc_dh_pubkey); | |
2208 | if (wps->dh_privkey == NULL || wps->dh_pubkey == NULL) { | |
2209 | wps->dh_ctx = NULL; | |
2210 | wpabuf_free(wps->dh_pubkey); | |
2211 | wps->dh_pubkey = NULL; | |
2212 | wpabuf_free(wps->dh_privkey); | |
2213 | wps->dh_privkey = NULL; | |
fa4c2988 | 2214 | wpa_printf(MSG_DEBUG, "WPS: Failed to get DH priv/pub key"); |
3f2c8ba6 JM |
2215 | return -1; |
2216 | } | |
2217 | wps->dh_ctx = dh5_init_fixed(wps->dh_privkey, wps->dh_pubkey); | |
5c9d63d4 JM |
2218 | if (wps->dh_ctx == NULL) { |
2219 | wpabuf_free(wps->dh_pubkey); | |
2220 | wps->dh_pubkey = NULL; | |
2221 | wpabuf_free(wps->dh_privkey); | |
2222 | wps->dh_privkey = NULL; | |
fa4c2988 | 2223 | wpa_printf(MSG_DEBUG, "WPS: Failed to initialize DH context"); |
3f2c8ba6 | 2224 | return -1; |
5c9d63d4 | 2225 | } |
3f2c8ba6 | 2226 | |
fa4c2988 JM |
2227 | if (dev_pw) { |
2228 | wpa_snprintf_hex_uppercase(pw, sizeof(pw), | |
2229 | wpabuf_head(dev_pw), | |
2230 | wpabuf_len(dev_pw)); | |
2231 | } | |
23318bea JM |
2232 | return wpas_wps_start_dev_pw(wpa_s, go_dev_addr, bssid, |
2233 | dev_pw ? pw : NULL, | |
fa4c2988 | 2234 | p2p_group, dev_pw_id, peer_pubkey_hash, |
91a65018 | 2235 | ssid, ssid_len, freq); |
3f2c8ba6 JM |
2236 | } |
2237 | ||
d7645d23 JM |
2238 | |
2239 | static int wpas_wps_use_cred(struct wpa_supplicant *wpa_s, | |
2240 | struct wps_parse_attr *attr) | |
2241 | { | |
170f5663 JM |
2242 | /* |
2243 | * Disable existing networks temporarily to allow the newly learned | |
2244 | * credential to be preferred. Enable the temporarily disabled networks | |
2245 | * after 10 seconds. | |
2246 | */ | |
2247 | wpas_wps_temp_disable(wpa_s, NULL); | |
2248 | eloop_register_timeout(10, 0, wpas_wps_reenable_networks_cb, wpa_s, | |
2249 | NULL); | |
2250 | ||
d7645d23 JM |
2251 | if (wps_oob_use_cred(wpa_s->wps, attr) < 0) |
2252 | return -1; | |
2253 | ||
2254 | if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) | |
2255 | return 0; | |
2256 | ||
0b5ff2ae JM |
2257 | if (attr->ap_channel) { |
2258 | u16 chan = WPA_GET_BE16(attr->ap_channel); | |
bd3a3737 JM |
2259 | int freq = 0; |
2260 | ||
2261 | if (chan >= 1 && chan <= 13) | |
2262 | freq = 2407 + 5 * chan; | |
2263 | else if (chan == 14) | |
2264 | freq = 2484; | |
2265 | else if (chan >= 30) | |
2266 | freq = 5000 + 5 * chan; | |
2267 | ||
2268 | if (freq) { | |
0b5ff2ae JM |
2269 | wpa_printf(MSG_DEBUG, "WPS: Credential container indicated AP channel %u -> %u MHz", |
2270 | chan, freq); | |
bd3a3737 JM |
2271 | wpa_s->after_wps = 5; |
2272 | wpa_s->wps_freq = freq; | |
2273 | } | |
2274 | } | |
0b5ff2ae JM |
2275 | |
2276 | wpa_printf(MSG_DEBUG, "WPS: Request reconnection with new network " | |
2277 | "based on the received credential added"); | |
2278 | wpa_s->normal_scans = 0; | |
2279 | wpa_supplicant_reinit_autoscan(wpa_s); | |
d7645d23 JM |
2280 | wpa_s->disconnected = 0; |
2281 | wpa_s->reassociate = 1; | |
7e910b7b JJ |
2282 | |
2283 | wpa_supplicant_cancel_sched_scan(wpa_s); | |
d7645d23 JM |
2284 | wpa_supplicant_req_scan(wpa_s, 0, 0); |
2285 | ||
2286 | return 0; | |
2287 | } | |
2288 | ||
2289 | ||
6df865fa | 2290 | #ifdef CONFIG_WPS_ER |
e6ea2a45 JM |
2291 | static int wpas_wps_add_nfc_password_token(struct wpa_supplicant *wpa_s, |
2292 | struct wps_parse_attr *attr) | |
2293 | { | |
e6ea2a45 JM |
2294 | return wps_registrar_add_nfc_password_token( |
2295 | wpa_s->wps->registrar, attr->oob_dev_password, | |
2296 | attr->oob_dev_password_len); | |
2297 | } | |
6df865fa | 2298 | #endif /* CONFIG_WPS_ER */ |
e6ea2a45 JM |
2299 | |
2300 | ||
d7645d23 JM |
2301 | static int wpas_wps_nfc_tag_process(struct wpa_supplicant *wpa_s, |
2302 | const struct wpabuf *wps) | |
2303 | { | |
2304 | struct wps_parse_attr attr; | |
2305 | ||
2306 | wpa_hexdump_buf(MSG_DEBUG, "WPS: Received NFC tag payload", wps); | |
2307 | ||
2308 | if (wps_parse_msg(wps, &attr)) { | |
2309 | wpa_printf(MSG_DEBUG, "WPS: Ignore invalid data from NFC tag"); | |
2310 | return -1; | |
2311 | } | |
2312 | ||
2313 | if (attr.num_cred) | |
2314 | return wpas_wps_use_cred(wpa_s, &attr); | |
2315 | ||
e6ea2a45 JM |
2316 | #ifdef CONFIG_WPS_ER |
2317 | if (attr.oob_dev_password) | |
2318 | return wpas_wps_add_nfc_password_token(wpa_s, &attr); | |
2319 | #endif /* CONFIG_WPS_ER */ | |
2320 | ||
d7645d23 JM |
2321 | wpa_printf(MSG_DEBUG, "WPS: Ignore unrecognized NFC tag"); |
2322 | return -1; | |
2323 | } | |
2324 | ||
2325 | ||
2326 | int wpas_wps_nfc_tag_read(struct wpa_supplicant *wpa_s, | |
b56f6c88 | 2327 | const struct wpabuf *data, int forced_freq) |
d7645d23 JM |
2328 | { |
2329 | const struct wpabuf *wps = data; | |
2330 | struct wpabuf *tmp = NULL; | |
2331 | int ret; | |
2332 | ||
2333 | if (wpabuf_len(data) < 4) | |
2334 | return -1; | |
2335 | ||
2336 | if (*wpabuf_head_u8(data) != 0x10) { | |
2337 | /* Assume this contains full NDEF record */ | |
2338 | tmp = ndef_parse_wifi(data); | |
2339 | if (tmp == NULL) { | |
dd37a938 JM |
2340 | #ifdef CONFIG_P2P |
2341 | tmp = ndef_parse_p2p(data); | |
2342 | if (tmp) { | |
b56f6c88 JM |
2343 | ret = wpas_p2p_nfc_tag_process(wpa_s, tmp, |
2344 | forced_freq); | |
dd37a938 JM |
2345 | wpabuf_free(tmp); |
2346 | return ret; | |
2347 | } | |
2348 | #endif /* CONFIG_P2P */ | |
d7645d23 JM |
2349 | wpa_printf(MSG_DEBUG, "WPS: Could not parse NDEF"); |
2350 | return -1; | |
2351 | } | |
2352 | wps = tmp; | |
2353 | } | |
2354 | ||
2355 | ret = wpas_wps_nfc_tag_process(wpa_s, wps); | |
2356 | wpabuf_free(tmp); | |
2357 | return ret; | |
2358 | } | |
2359 | ||
e65552dd | 2360 | |
41f9ffb6 JM |
2361 | struct wpabuf * wpas_wps_nfc_handover_req(struct wpa_supplicant *wpa_s, |
2362 | int ndef) | |
e65552dd | 2363 | { |
41f9ffb6 JM |
2364 | struct wpabuf *ret; |
2365 | ||
2366 | if (wpa_s->conf->wps_nfc_dh_pubkey == NULL && | |
2367 | wps_nfc_gen_dh(&wpa_s->conf->wps_nfc_dh_pubkey, | |
2368 | &wpa_s->conf->wps_nfc_dh_privkey) < 0) | |
2369 | return NULL; | |
2370 | ||
2371 | ret = wps_build_nfc_handover_req(wpa_s->wps, | |
2372 | wpa_s->conf->wps_nfc_dh_pubkey); | |
2373 | ||
2374 | if (ndef && ret) { | |
2375 | struct wpabuf *tmp; | |
2376 | tmp = ndef_build_wifi(ret); | |
2377 | wpabuf_free(ret); | |
2378 | if (tmp == NULL) | |
2379 | return NULL; | |
2380 | ret = tmp; | |
2381 | } | |
2382 | ||
2383 | return ret; | |
e65552dd JM |
2384 | } |
2385 | ||
2386 | ||
f3f2ba2e | 2387 | #ifdef CONFIG_WPS_NFC |
50d1f890 | 2388 | |
c5838683 JM |
2389 | static struct wpabuf * |
2390 | wpas_wps_er_nfc_handover_sel(struct wpa_supplicant *wpa_s, int ndef, | |
2391 | const char *uuid) | |
f3f2ba2e | 2392 | { |
94d7acf3 | 2393 | #ifdef CONFIG_WPS_ER |
f3f2ba2e | 2394 | struct wpabuf *ret; |
59307b30 JM |
2395 | u8 u[UUID_LEN], *use_uuid = NULL; |
2396 | u8 addr[ETH_ALEN], *use_addr = NULL; | |
d4b4d7fe | 2397 | struct wps_context *wps = wpa_s->wps; |
f3f2ba2e | 2398 | |
d4b4d7fe | 2399 | if (wps == NULL) |
f3f2ba2e JM |
2400 | return NULL; |
2401 | ||
59307b30 JM |
2402 | if (uuid == NULL) |
2403 | return NULL; | |
2404 | if (uuid_str2bin(uuid, u) == 0) | |
2405 | use_uuid = u; | |
2406 | else if (hwaddr_aton(uuid, addr) == 0) | |
2407 | use_addr = addr; | |
2408 | else | |
f3f2ba2e JM |
2409 | return NULL; |
2410 | ||
50d1f890 | 2411 | if (wpa_s->conf->wps_nfc_dh_pubkey == NULL) { |
50d1f890 JM |
2412 | if (wps_nfc_gen_dh(&wpa_s->conf->wps_nfc_dh_pubkey, |
2413 | &wpa_s->conf->wps_nfc_dh_privkey) < 0) | |
2414 | return NULL; | |
d4b4d7fe | 2415 | } |
50d1f890 | 2416 | |
d4b4d7fe JM |
2417 | wpas_wps_nfc_clear(wps); |
2418 | wps->ap_nfc_dev_pw_id = DEV_PW_NFC_CONNECTION_HANDOVER; | |
2419 | wps->ap_nfc_dh_pubkey = wpabuf_dup(wpa_s->conf->wps_nfc_dh_pubkey); | |
2420 | wps->ap_nfc_dh_privkey = wpabuf_dup(wpa_s->conf->wps_nfc_dh_privkey); | |
2421 | if (!wps->ap_nfc_dh_pubkey || !wps->ap_nfc_dh_privkey) { | |
50d1f890 | 2422 | wpas_wps_nfc_clear(wps); |
d4b4d7fe | 2423 | return NULL; |
50d1f890 JM |
2424 | } |
2425 | ||
2426 | ret = wps_er_nfc_handover_sel(wpa_s->wps_er, wpa_s->wps, use_uuid, | |
2427 | use_addr, wpa_s->conf->wps_nfc_dh_pubkey); | |
f3f2ba2e JM |
2428 | if (ndef && ret) { |
2429 | struct wpabuf *tmp; | |
2430 | tmp = ndef_build_wifi(ret); | |
2431 | wpabuf_free(ret); | |
2432 | if (tmp == NULL) | |
2433 | return NULL; | |
2434 | ret = tmp; | |
2435 | } | |
2436 | ||
2437 | return ret; | |
94d7acf3 JM |
2438 | #else /* CONFIG_WPS_ER */ |
2439 | return NULL; | |
2440 | #endif /* CONFIG_WPS_ER */ | |
f3f2ba2e JM |
2441 | } |
2442 | #endif /* CONFIG_WPS_NFC */ | |
2443 | ||
2444 | ||
5ab9a6a5 | 2445 | struct wpabuf * wpas_wps_nfc_handover_sel(struct wpa_supplicant *wpa_s, |
f3f2ba2e | 2446 | int ndef, int cr, const char *uuid) |
e65552dd | 2447 | { |
f3f2ba2e | 2448 | struct wpabuf *ret; |
5ab9a6a5 JM |
2449 | if (!cr) |
2450 | return NULL; | |
f3f2ba2e JM |
2451 | ret = wpas_ap_wps_nfc_handover_sel(wpa_s, ndef); |
2452 | if (ret) | |
2453 | return ret; | |
2454 | return wpas_wps_er_nfc_handover_sel(wpa_s, ndef, uuid); | |
e65552dd JM |
2455 | } |
2456 | ||
2457 | ||
679f2e7c JM |
2458 | static int wpas_wps_nfc_rx_handover_sel(struct wpa_supplicant *wpa_s, |
2459 | const struct wpabuf *data) | |
e65552dd JM |
2460 | { |
2461 | struct wpabuf *wps; | |
fa4c2988 JM |
2462 | int ret = -1; |
2463 | u16 wsc_len; | |
2464 | const u8 *pos; | |
2465 | struct wpabuf msg; | |
2466 | struct wps_parse_attr attr; | |
2467 | u16 dev_pw_id; | |
91a65018 JM |
2468 | const u8 *bssid = NULL; |
2469 | int freq = 0; | |
e65552dd JM |
2470 | |
2471 | wps = ndef_parse_wifi(data); | |
2472 | if (wps == NULL) | |
2473 | return -1; | |
2474 | wpa_printf(MSG_DEBUG, "WPS: Received application/vnd.wfa.wsc " | |
2475 | "payload from NFC connection handover"); | |
fa4c2988 JM |
2476 | wpa_hexdump_buf(MSG_DEBUG, "WPS: NFC payload", wps); |
2477 | if (wpabuf_len(wps) < 2) { | |
2478 | wpa_printf(MSG_DEBUG, "WPS: Too short Wi-Fi Handover Select " | |
2479 | "Message"); | |
2480 | goto out; | |
2481 | } | |
2482 | pos = wpabuf_head(wps); | |
2483 | wsc_len = WPA_GET_BE16(pos); | |
2484 | if (wsc_len > wpabuf_len(wps) - 2) { | |
2485 | wpa_printf(MSG_DEBUG, "WPS: Invalid WSC attribute length (%u) " | |
2486 | "in Wi-Fi Handover Select Message", wsc_len); | |
2487 | goto out; | |
2488 | } | |
2489 | pos += 2; | |
2490 | ||
2491 | wpa_hexdump(MSG_DEBUG, | |
2492 | "WPS: WSC attributes in Wi-Fi Handover Select Message", | |
2493 | pos, wsc_len); | |
2494 | if (wsc_len < wpabuf_len(wps) - 2) { | |
2495 | wpa_hexdump(MSG_DEBUG, | |
2496 | "WPS: Ignore extra data after WSC attributes", | |
2497 | pos + wsc_len, wpabuf_len(wps) - 2 - wsc_len); | |
2498 | } | |
2499 | ||
2500 | wpabuf_set(&msg, pos, wsc_len); | |
2501 | ret = wps_parse_msg(&msg, &attr); | |
2502 | if (ret < 0) { | |
2503 | wpa_printf(MSG_DEBUG, "WPS: Could not parse WSC attributes in " | |
2504 | "Wi-Fi Handover Select Message"); | |
2505 | goto out; | |
2506 | } | |
2507 | ||
2508 | if (attr.oob_dev_password == NULL || | |
2509 | attr.oob_dev_password_len < WPS_OOB_PUBKEY_HASH_LEN + 2) { | |
2510 | wpa_printf(MSG_DEBUG, "WPS: No Out-of-Band Device Password " | |
2511 | "included in Wi-Fi Handover Select Message"); | |
2512 | ret = -1; | |
2513 | goto out; | |
2514 | } | |
2515 | ||
2516 | if (attr.ssid == NULL) { | |
2517 | wpa_printf(MSG_DEBUG, "WPS: No SSID included in Wi-Fi Handover " | |
2518 | "Select Message"); | |
2519 | ret = -1; | |
2520 | goto out; | |
2521 | } | |
2522 | ||
2523 | wpa_hexdump_ascii(MSG_DEBUG, "WPS: SSID", attr.ssid, attr.ssid_len); | |
2524 | ||
91a65018 JM |
2525 | if (attr.mac_addr) { |
2526 | bssid = attr.mac_addr; | |
2527 | wpa_printf(MSG_DEBUG, "WPS: MAC Address (BSSID): " MACSTR, | |
2528 | MAC2STR(bssid)); | |
2529 | } | |
2530 | ||
2531 | if (attr.rf_bands) | |
2532 | wpa_printf(MSG_DEBUG, "WPS: RF Bands: %d", *attr.rf_bands); | |
2533 | ||
2534 | if (attr.ap_channel) { | |
2535 | u16 chan = WPA_GET_BE16(attr.ap_channel); | |
2536 | ||
2537 | wpa_printf(MSG_DEBUG, "WPS: AP Channel: %d", chan); | |
2538 | ||
2539 | if (chan >= 1 && chan <= 13 && | |
2540 | (attr.rf_bands == NULL || *attr.rf_bands & WPS_RF_24GHZ)) | |
2541 | freq = 2407 + 5 * chan; | |
2542 | else if (chan == 14 && | |
2543 | (attr.rf_bands == NULL || | |
2544 | *attr.rf_bands & WPS_RF_24GHZ)) | |
2545 | freq = 2484; | |
2546 | else if (chan >= 30 && | |
2547 | (attr.rf_bands == NULL || | |
2548 | *attr.rf_bands & WPS_RF_50GHZ)) | |
2549 | freq = 5000 + 5 * chan; | |
2550 | ||
2551 | if (freq) { | |
2552 | wpa_printf(MSG_DEBUG, | |
2553 | "WPS: AP indicated channel %u -> %u MHz", | |
2554 | chan, freq); | |
2555 | } | |
2556 | } | |
2557 | ||
fa4c2988 JM |
2558 | wpa_hexdump(MSG_DEBUG, "WPS: Out-of-Band Device Password", |
2559 | attr.oob_dev_password, attr.oob_dev_password_len); | |
2560 | dev_pw_id = WPA_GET_BE16(attr.oob_dev_password + | |
2561 | WPS_OOB_PUBKEY_HASH_LEN); | |
2562 | if (dev_pw_id != DEV_PW_NFC_CONNECTION_HANDOVER) { | |
2563 | wpa_printf(MSG_DEBUG, "WPS: Unexpected OOB Device Password ID " | |
2564 | "%u in Wi-Fi Handover Select Message", dev_pw_id); | |
2565 | ret = -1; | |
2566 | goto out; | |
2567 | } | |
2568 | wpa_hexdump(MSG_DEBUG, "WPS: AP Public Key hash", | |
2569 | attr.oob_dev_password, WPS_OOB_PUBKEY_HASH_LEN); | |
2570 | ||
91a65018 | 2571 | ret = wpas_wps_start_nfc(wpa_s, NULL, bssid, NULL, dev_pw_id, 0, |
fa4c2988 | 2572 | attr.oob_dev_password, |
91a65018 | 2573 | attr.ssid, attr.ssid_len, freq); |
fa4c2988 JM |
2574 | |
2575 | out: | |
e65552dd | 2576 | wpabuf_free(wps); |
e65552dd JM |
2577 | return ret; |
2578 | } | |
2579 | ||
e4758827 JM |
2580 | |
2581 | int wpas_wps_nfc_report_handover(struct wpa_supplicant *wpa_s, | |
2582 | const struct wpabuf *req, | |
2583 | const struct wpabuf *sel) | |
2584 | { | |
2585 | wpa_printf(MSG_DEBUG, "NFC: WPS connection handover reported"); | |
2586 | wpa_hexdump_buf_key(MSG_DEBUG, "WPS: Carrier record in request", req); | |
2587 | wpa_hexdump_buf_key(MSG_DEBUG, "WPS: Carrier record in select", sel); | |
2588 | return wpas_wps_nfc_rx_handover_sel(wpa_s, sel); | |
2589 | } | |
2590 | ||
50d1f890 JM |
2591 | |
2592 | int wpas_er_wps_nfc_report_handover(struct wpa_supplicant *wpa_s, | |
2593 | const struct wpabuf *req, | |
2594 | const struct wpabuf *sel) | |
2595 | { | |
2596 | struct wpabuf *wps; | |
2597 | int ret = -1; | |
2598 | u16 wsc_len; | |
2599 | const u8 *pos; | |
2600 | struct wpabuf msg; | |
2601 | struct wps_parse_attr attr; | |
2602 | u16 dev_pw_id; | |
2603 | ||
2604 | /* | |
2605 | * Enrollee/station is always initiator of the NFC connection handover, | |
2606 | * so use the request message here to find Enrollee public key hash. | |
2607 | */ | |
2608 | wps = ndef_parse_wifi(req); | |
2609 | if (wps == NULL) | |
2610 | return -1; | |
2611 | wpa_printf(MSG_DEBUG, "WPS: Received application/vnd.wfa.wsc " | |
2612 | "payload from NFC connection handover"); | |
2613 | wpa_hexdump_buf(MSG_DEBUG, "WPS: NFC payload", wps); | |
2614 | if (wpabuf_len(wps) < 2) { | |
2615 | wpa_printf(MSG_DEBUG, "WPS: Too short Wi-Fi Handover Request " | |
2616 | "Message"); | |
2617 | goto out; | |
2618 | } | |
2619 | pos = wpabuf_head(wps); | |
2620 | wsc_len = WPA_GET_BE16(pos); | |
2621 | if (wsc_len > wpabuf_len(wps) - 2) { | |
2622 | wpa_printf(MSG_DEBUG, "WPS: Invalid WSC attribute length (%u) " | |
2623 | "in rt Wi-Fi Handover Request Message", wsc_len); | |
2624 | goto out; | |
2625 | } | |
2626 | pos += 2; | |
2627 | ||
2628 | wpa_hexdump(MSG_DEBUG, | |
2629 | "WPS: WSC attributes in Wi-Fi Handover Request Message", | |
2630 | pos, wsc_len); | |
2631 | if (wsc_len < wpabuf_len(wps) - 2) { | |
2632 | wpa_hexdump(MSG_DEBUG, | |
2633 | "WPS: Ignore extra data after WSC attributes", | |
2634 | pos + wsc_len, wpabuf_len(wps) - 2 - wsc_len); | |
2635 | } | |
2636 | ||
2637 | wpabuf_set(&msg, pos, wsc_len); | |
2638 | ret = wps_parse_msg(&msg, &attr); | |
2639 | if (ret < 0) { | |
2640 | wpa_printf(MSG_DEBUG, "WPS: Could not parse WSC attributes in " | |
2641 | "Wi-Fi Handover Request Message"); | |
2642 | goto out; | |
2643 | } | |
2644 | ||
2645 | if (attr.oob_dev_password == NULL || | |
2646 | attr.oob_dev_password_len < WPS_OOB_PUBKEY_HASH_LEN + 2) { | |
2647 | wpa_printf(MSG_DEBUG, "WPS: No Out-of-Band Device Password " | |
2648 | "included in Wi-Fi Handover Request Message"); | |
2649 | ret = -1; | |
2650 | goto out; | |
2651 | } | |
2652 | ||
2653 | if (attr.uuid_e == NULL) { | |
2654 | wpa_printf(MSG_DEBUG, "WPS: No UUID-E included in Wi-Fi " | |
2655 | "Handover Request Message"); | |
2656 | ret = -1; | |
2657 | goto out; | |
2658 | } | |
2659 | ||
2660 | wpa_hexdump(MSG_DEBUG, "WPS: UUID-E", attr.uuid_e, WPS_UUID_LEN); | |
2661 | ||
2662 | wpa_hexdump(MSG_DEBUG, "WPS: Out-of-Band Device Password", | |
2663 | attr.oob_dev_password, attr.oob_dev_password_len); | |
2664 | dev_pw_id = WPA_GET_BE16(attr.oob_dev_password + | |
2665 | WPS_OOB_PUBKEY_HASH_LEN); | |
2666 | if (dev_pw_id != DEV_PW_NFC_CONNECTION_HANDOVER) { | |
2667 | wpa_printf(MSG_DEBUG, "WPS: Unexpected OOB Device Password ID " | |
2668 | "%u in Wi-Fi Handover Request Message", dev_pw_id); | |
2669 | ret = -1; | |
2670 | goto out; | |
2671 | } | |
2672 | wpa_hexdump(MSG_DEBUG, "WPS: Enrollee Public Key hash", | |
2673 | attr.oob_dev_password, WPS_OOB_PUBKEY_HASH_LEN); | |
2674 | ||
2675 | ret = wps_registrar_add_nfc_pw_token(wpa_s->wps->registrar, | |
2676 | attr.oob_dev_password, | |
2677 | DEV_PW_NFC_CONNECTION_HANDOVER, | |
2678 | NULL, 0, 1); | |
2679 | ||
2680 | out: | |
2681 | wpabuf_free(wps); | |
2682 | return ret; | |
2683 | } | |
2684 | ||
3f2c8ba6 | 2685 | #endif /* CONFIG_WPS_NFC */ |
f9f0526b JM |
2686 | |
2687 | ||
f9f0526b JM |
2688 | static void wpas_wps_dump_ap_info(struct wpa_supplicant *wpa_s) |
2689 | { | |
2690 | size_t i; | |
51bffab1 | 2691 | struct os_reltime now; |
f9f0526b JM |
2692 | |
2693 | if (wpa_debug_level > MSG_DEBUG) | |
2694 | return; | |
2695 | ||
2696 | if (wpa_s->wps_ap == NULL) | |
2697 | return; | |
2698 | ||
51bffab1 | 2699 | os_get_reltime(&now); |
f9f0526b JM |
2700 | |
2701 | for (i = 0; i < wpa_s->num_wps_ap; i++) { | |
2702 | struct wps_ap_info *ap = &wpa_s->wps_ap[i]; | |
2703 | struct wpa_blacklist *e = wpa_blacklist_get(wpa_s, ap->bssid); | |
2704 | ||
2705 | wpa_printf(MSG_DEBUG, "WPS: AP[%d] " MACSTR " type=%d " | |
2706 | "tries=%d last_attempt=%d sec ago blacklist=%d", | |
2707 | (int) i, MAC2STR(ap->bssid), ap->type, ap->tries, | |
2708 | ap->last_attempt.sec > 0 ? | |
2709 | (int) now.sec - (int) ap->last_attempt.sec : -1, | |
2710 | e ? e->count : 0); | |
2711 | } | |
2712 | } | |
2713 | ||
2714 | ||
2715 | static struct wps_ap_info * wpas_wps_get_ap_info(struct wpa_supplicant *wpa_s, | |
2716 | const u8 *bssid) | |
2717 | { | |
2718 | size_t i; | |
2719 | ||
2720 | if (wpa_s->wps_ap == NULL) | |
2721 | return NULL; | |
2722 | ||
2723 | for (i = 0; i < wpa_s->num_wps_ap; i++) { | |
2724 | struct wps_ap_info *ap = &wpa_s->wps_ap[i]; | |
2725 | if (os_memcmp(ap->bssid, bssid, ETH_ALEN) == 0) | |
2726 | return ap; | |
2727 | } | |
2728 | ||
2729 | return NULL; | |
2730 | } | |
2731 | ||
2732 | ||
2733 | static void wpas_wps_update_ap_info_bss(struct wpa_supplicant *wpa_s, | |
2734 | struct wpa_scan_res *res) | |
2735 | { | |
2736 | struct wpabuf *wps; | |
2737 | enum wps_ap_info_type type; | |
2738 | struct wps_ap_info *ap; | |
2739 | int r; | |
2740 | ||
2741 | if (wpa_scan_get_vendor_ie(res, WPS_IE_VENDOR_TYPE) == NULL) | |
2742 | return; | |
2743 | ||
2744 | wps = wpa_scan_get_vendor_ie_multi(res, WPS_IE_VENDOR_TYPE); | |
2745 | if (wps == NULL) | |
2746 | return; | |
2747 | ||
2748 | r = wps_is_addr_authorized(wps, wpa_s->own_addr, 1); | |
2749 | if (r == 2) | |
2750 | type = WPS_AP_SEL_REG_OUR; | |
2751 | else if (r == 1) | |
2752 | type = WPS_AP_SEL_REG; | |
2753 | else | |
2754 | type = WPS_AP_NOT_SEL_REG; | |
2755 | ||
2756 | wpabuf_free(wps); | |
2757 | ||
2758 | ap = wpas_wps_get_ap_info(wpa_s, res->bssid); | |
2759 | if (ap) { | |
2760 | if (ap->type != type) { | |
2761 | wpa_printf(MSG_DEBUG, "WPS: AP " MACSTR | |
2762 | " changed type %d -> %d", | |
2763 | MAC2STR(res->bssid), ap->type, type); | |
2764 | ap->type = type; | |
a462036a JM |
2765 | if (type != WPS_AP_NOT_SEL_REG) |
2766 | wpa_blacklist_del(wpa_s, ap->bssid); | |
f9f0526b JM |
2767 | } |
2768 | return; | |
2769 | } | |
2770 | ||
2771 | ap = os_realloc_array(wpa_s->wps_ap, wpa_s->num_wps_ap + 1, | |
2772 | sizeof(struct wps_ap_info)); | |
2773 | if (ap == NULL) | |
2774 | return; | |
2775 | ||
2776 | wpa_s->wps_ap = ap; | |
2777 | ap = &wpa_s->wps_ap[wpa_s->num_wps_ap]; | |
2778 | wpa_s->num_wps_ap++; | |
2779 | ||
2780 | os_memset(ap, 0, sizeof(*ap)); | |
2781 | os_memcpy(ap->bssid, res->bssid, ETH_ALEN); | |
2782 | ap->type = type; | |
2783 | wpa_printf(MSG_DEBUG, "WPS: AP " MACSTR " type %d added", | |
2784 | MAC2STR(ap->bssid), ap->type); | |
2785 | } | |
2786 | ||
2787 | ||
2788 | void wpas_wps_update_ap_info(struct wpa_supplicant *wpa_s, | |
2789 | struct wpa_scan_results *scan_res) | |
2790 | { | |
2791 | size_t i; | |
2792 | ||
2793 | for (i = 0; i < scan_res->num; i++) | |
2794 | wpas_wps_update_ap_info_bss(wpa_s, scan_res->res[i]); | |
2795 | ||
2796 | wpas_wps_dump_ap_info(wpa_s); | |
2797 | } | |
2798 | ||
2799 | ||
2800 | void wpas_wps_notify_assoc(struct wpa_supplicant *wpa_s, const u8 *bssid) | |
2801 | { | |
2802 | struct wps_ap_info *ap; | |
7255983b JM |
2803 | |
2804 | wpa_s->after_wps = 0; | |
2805 | ||
f9f0526b JM |
2806 | if (!wpa_s->wps_ap_iter) |
2807 | return; | |
2808 | ap = wpas_wps_get_ap_info(wpa_s, bssid); | |
2809 | if (ap == NULL) | |
2810 | return; | |
2811 | ap->tries++; | |
51bffab1 | 2812 | os_get_reltime(&ap->last_attempt); |
f9f0526b | 2813 | } |