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Commit | Line | Data |
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fa201b69 JM |
1 | /* |
2 | * wpa_supplicant / WPS integration | |
d7645d23 | 3 | * Copyright (c) 2008-2012, 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 | ||
fa201b69 JM |
55 | int wpas_wps_eapol_cb(struct wpa_supplicant *wpa_s) |
56 | { | |
a6099152 JM |
57 | if (!wpa_s->wps_success && |
58 | wpa_s->current_ssid && | |
59 | eap_is_wps_pin_enrollee(&wpa_s->current_ssid->eap)) { | |
60 | const u8 *bssid = wpa_s->bssid; | |
61 | if (is_zero_ether_addr(bssid)) | |
62 | bssid = wpa_s->pending_bssid; | |
63 | ||
64 | wpa_printf(MSG_DEBUG, "WPS: PIN registration with " MACSTR | |
65 | " did not succeed - continue trying to find " | |
66 | "suitable AP", MAC2STR(bssid)); | |
67 | wpa_blacklist_add(wpa_s, bssid); | |
68 | ||
69 | wpa_supplicant_deauthenticate(wpa_s, | |
70 | WLAN_REASON_DEAUTH_LEAVING); | |
71 | wpa_s->reassociate = 1; | |
72 | wpa_supplicant_req_scan(wpa_s, | |
73 | wpa_s->blacklist_cleared ? 5 : 0, 0); | |
74 | wpa_s->blacklist_cleared = 0; | |
75 | return 1; | |
76 | } | |
77 | ||
f9f0526b | 78 | wpas_wps_clear_ap_info(wpa_s); |
fcc60db4 | 79 | eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL); |
449adbac CWY |
80 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS && !wpa_s->wps_success) |
81 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_FAIL); | |
fcc60db4 | 82 | |
fa201b69 JM |
83 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS && wpa_s->current_ssid && |
84 | !(wpa_s->current_ssid->key_mgmt & WPA_KEY_MGMT_WPS)) { | |
f981eabc | 85 | int disabled = wpa_s->current_ssid->disabled; |
a565c23b | 86 | unsigned int freq = wpa_s->assoc_freq; |
fa201b69 | 87 | wpa_printf(MSG_DEBUG, "WPS: Network configuration replaced - " |
a565c23b JM |
88 | "try to associate with the received credential " |
89 | "(freq=%u)", freq); | |
fa201b69 JM |
90 | wpa_supplicant_deauthenticate(wpa_s, |
91 | WLAN_REASON_DEAUTH_LEAVING); | |
f981eabc JM |
92 | if (disabled) { |
93 | wpa_printf(MSG_DEBUG, "WPS: Current network is " | |
94 | "disabled - wait for user to enable"); | |
95 | return 1; | |
96 | } | |
17a4734d | 97 | wpa_s->after_wps = 5; |
a565c23b | 98 | wpa_s->wps_freq = freq; |
0b7a25c0 | 99 | wpa_s->normal_scans = 0; |
fa201b69 JM |
100 | wpa_s->reassociate = 1; |
101 | wpa_supplicant_req_scan(wpa_s, 0, 0); | |
102 | return 1; | |
103 | } | |
104 | ||
47662164 JM |
105 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS && wpa_s->current_ssid) { |
106 | wpa_printf(MSG_DEBUG, "WPS: Registration completed - waiting " | |
107 | "for external credential processing"); | |
108 | wpas_clear_wps(wpa_s); | |
109 | wpa_supplicant_deauthenticate(wpa_s, | |
110 | WLAN_REASON_DEAUTH_LEAVING); | |
111 | return 1; | |
112 | } | |
113 | ||
fa201b69 JM |
114 | return 0; |
115 | } | |
116 | ||
117 | ||
7cc1b6c9 JM |
118 | static void wpas_wps_security_workaround(struct wpa_supplicant *wpa_s, |
119 | struct wpa_ssid *ssid, | |
120 | const struct wps_credential *cred) | |
121 | { | |
122 | struct wpa_driver_capa capa; | |
59f2caa9 | 123 | struct wpa_bss *bss; |
7cc1b6c9 JM |
124 | const u8 *ie; |
125 | struct wpa_ie_data adv; | |
126 | int wpa2 = 0, ccmp = 0; | |
127 | ||
128 | /* | |
129 | * Many existing WPS APs do not know how to negotiate WPA2 or CCMP in | |
130 | * case they are configured for mixed mode operation (WPA+WPA2 and | |
131 | * TKIP+CCMP). Try to use scan results to figure out whether the AP | |
132 | * actually supports stronger security and select that if the client | |
133 | * has support for it, too. | |
134 | */ | |
135 | ||
136 | if (wpa_drv_get_capa(wpa_s, &capa)) | |
137 | return; /* Unknown what driver supports */ | |
138 | ||
d87e90b6 JM |
139 | if (ssid->ssid == NULL) |
140 | return; | |
59f2caa9 JM |
141 | bss = wpa_bss_get(wpa_s, cred->mac_addr, ssid->ssid, ssid->ssid_len); |
142 | if (bss == NULL) { | |
143 | wpa_printf(MSG_DEBUG, "WPS: The AP was not found from BSS " | |
144 | "table - use credential as-is"); | |
7cc1b6c9 JM |
145 | return; |
146 | } | |
147 | ||
59f2caa9 JM |
148 | wpa_printf(MSG_DEBUG, "WPS: AP found from BSS table"); |
149 | ||
150 | ie = wpa_bss_get_ie(bss, WLAN_EID_RSN); | |
7cc1b6c9 JM |
151 | if (ie && wpa_parse_wpa_ie(ie, 2 + ie[1], &adv) == 0) { |
152 | wpa2 = 1; | |
153 | if (adv.pairwise_cipher & WPA_CIPHER_CCMP) | |
154 | ccmp = 1; | |
155 | } else { | |
59f2caa9 | 156 | ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE); |
7cc1b6c9 JM |
157 | if (ie && wpa_parse_wpa_ie(ie, 2 + ie[1], &adv) == 0 && |
158 | adv.pairwise_cipher & WPA_CIPHER_CCMP) | |
159 | ccmp = 1; | |
160 | } | |
161 | ||
162 | if (ie == NULL && (ssid->proto & WPA_PROTO_WPA) && | |
163 | (ssid->pairwise_cipher & WPA_CIPHER_TKIP)) { | |
164 | /* | |
165 | * TODO: This could be the initial AP configuration and the | |
166 | * Beacon contents could change shortly. Should request a new | |
167 | * scan and delay addition of the network until the updated | |
168 | * scan results are available. | |
169 | */ | |
170 | wpa_printf(MSG_DEBUG, "WPS: The AP did not yet advertise WPA " | |
171 | "support - use credential as-is"); | |
172 | return; | |
173 | } | |
174 | ||
175 | if (ccmp && !(ssid->pairwise_cipher & WPA_CIPHER_CCMP) && | |
176 | (ssid->pairwise_cipher & WPA_CIPHER_TKIP) && | |
177 | (capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) { | |
178 | wpa_printf(MSG_DEBUG, "WPS: Add CCMP into the credential " | |
179 | "based on scan results"); | |
180 | if (wpa_s->conf->ap_scan == 1) | |
181 | ssid->pairwise_cipher |= WPA_CIPHER_CCMP; | |
182 | else | |
183 | ssid->pairwise_cipher = WPA_CIPHER_CCMP; | |
184 | } | |
185 | ||
186 | if (wpa2 && !(ssid->proto & WPA_PROTO_RSN) && | |
187 | (ssid->proto & WPA_PROTO_WPA) && | |
188 | (capa.enc & WPA_DRIVER_CAPA_ENC_CCMP)) { | |
189 | wpa_printf(MSG_DEBUG, "WPS: Add WPA2 into the credential " | |
190 | "based on scan results"); | |
191 | if (wpa_s->conf->ap_scan == 1) | |
192 | ssid->proto |= WPA_PROTO_RSN; | |
193 | else | |
194 | ssid->proto = WPA_PROTO_RSN; | |
195 | } | |
196 | } | |
197 | ||
198 | ||
bcbbc7af JM |
199 | static int wpa_supplicant_wps_cred(void *ctx, |
200 | const struct wps_credential *cred) | |
fa201b69 JM |
201 | { |
202 | struct wpa_supplicant *wpa_s = ctx; | |
203 | struct wpa_ssid *ssid = wpa_s->current_ssid; | |
522b5b6e | 204 | u8 key_idx = 0; |
49eba5f8 | 205 | u16 auth_type; |
2c4f80d5 | 206 | #ifdef CONFIG_WPS_REG_DISABLE_OPEN |
f981eabc | 207 | int registrar = 0; |
2c4f80d5 | 208 | #endif /* CONFIG_WPS_REG_DISABLE_OPEN */ |
fa201b69 | 209 | |
47662164 JM |
210 | if ((wpa_s->conf->wps_cred_processing == 1 || |
211 | wpa_s->conf->wps_cred_processing == 2) && cred->cred_attr) { | |
212 | size_t blen = cred->cred_attr_len * 2 + 1; | |
213 | char *buf = os_malloc(blen); | |
214 | if (buf) { | |
215 | wpa_snprintf_hex(buf, blen, | |
216 | cred->cred_attr, cred->cred_attr_len); | |
217 | wpa_msg(wpa_s, MSG_INFO, "%s%s", | |
218 | WPS_EVENT_CRED_RECEIVED, buf); | |
219 | os_free(buf); | |
220 | } | |
8bac466b JM |
221 | |
222 | wpas_notify_wps_credential(wpa_s, cred); | |
47662164 JM |
223 | } else |
224 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_CRED_RECEIVED); | |
fa201b69 | 225 | |
eca6e0a9 JM |
226 | wpa_hexdump_key(MSG_DEBUG, "WPS: Received Credential attribute", |
227 | cred->cred_attr, cred->cred_attr_len); | |
228 | ||
47662164 JM |
229 | if (wpa_s->conf->wps_cred_processing == 1) |
230 | return 0; | |
231 | ||
73267b9c JM |
232 | wpa_hexdump_ascii(MSG_DEBUG, "WPS: SSID", cred->ssid, cred->ssid_len); |
233 | wpa_printf(MSG_DEBUG, "WPS: Authentication Type 0x%x", | |
234 | cred->auth_type); | |
235 | wpa_printf(MSG_DEBUG, "WPS: Encryption Type 0x%x", cred->encr_type); | |
236 | wpa_printf(MSG_DEBUG, "WPS: Network Key Index %d", cred->key_idx); | |
237 | wpa_hexdump_key(MSG_DEBUG, "WPS: Network Key", | |
238 | cred->key, cred->key_len); | |
239 | wpa_printf(MSG_DEBUG, "WPS: MAC Address " MACSTR, | |
240 | MAC2STR(cred->mac_addr)); | |
241 | ||
49eba5f8 JM |
242 | auth_type = cred->auth_type; |
243 | if (auth_type == (WPS_AUTH_WPAPSK | WPS_AUTH_WPA2PSK)) { | |
244 | wpa_printf(MSG_DEBUG, "WPS: Workaround - convert mixed-mode " | |
245 | "auth_type into WPA2PSK"); | |
246 | auth_type = WPS_AUTH_WPA2PSK; | |
247 | } | |
248 | ||
249 | if (auth_type != WPS_AUTH_OPEN && | |
250 | auth_type != WPS_AUTH_SHARED && | |
251 | auth_type != WPS_AUTH_WPAPSK && | |
252 | auth_type != WPS_AUTH_WPA2PSK) { | |
f286077d | 253 | wpa_printf(MSG_DEBUG, "WPS: Ignored credentials for " |
49eba5f8 JM |
254 | "unsupported authentication type 0x%x", |
255 | auth_type); | |
f286077d JM |
256 | return 0; |
257 | } | |
258 | ||
fa201b69 JM |
259 | if (ssid && (ssid->key_mgmt & WPA_KEY_MGMT_WPS)) { |
260 | wpa_printf(MSG_DEBUG, "WPS: Replace WPS network block based " | |
261 | "on the received credential"); | |
2c4f80d5 | 262 | #ifdef CONFIG_WPS_REG_DISABLE_OPEN |
f981eabc JM |
263 | if (ssid->eap.identity && |
264 | ssid->eap.identity_len == WSC_ID_REGISTRAR_LEN && | |
265 | os_memcmp(ssid->eap.identity, WSC_ID_REGISTRAR, | |
266 | WSC_ID_REGISTRAR_LEN) == 0) | |
267 | registrar = 1; | |
2c4f80d5 | 268 | #endif /* CONFIG_WPS_REG_DISABLE_OPEN */ |
fa201b69 JM |
269 | os_free(ssid->eap.identity); |
270 | ssid->eap.identity = NULL; | |
271 | ssid->eap.identity_len = 0; | |
272 | os_free(ssid->eap.phase1); | |
273 | ssid->eap.phase1 = NULL; | |
274 | os_free(ssid->eap.eap_methods); | |
275 | ssid->eap.eap_methods = NULL; | |
cae2119c | 276 | if (!ssid->p2p_group) { |
2ff99b3c | 277 | ssid->temporary = 0; |
cae2119c JM |
278 | ssid->bssid_set = 0; |
279 | } | |
00e5e3d5 JM |
280 | ssid->disabled_until.sec = 0; |
281 | ssid->disabled_until.usec = 0; | |
282 | ssid->auth_failures = 0; | |
fa201b69 JM |
283 | } else { |
284 | wpa_printf(MSG_DEBUG, "WPS: Create a new network based on the " | |
285 | "received credential"); | |
286 | ssid = wpa_config_add_network(wpa_s->conf); | |
287 | if (ssid == NULL) | |
288 | return -1; | |
8bac466b | 289 | wpas_notify_network_added(wpa_s, ssid); |
fa201b69 JM |
290 | } |
291 | ||
292 | wpa_config_set_network_defaults(ssid); | |
293 | ||
294 | os_free(ssid->ssid); | |
295 | ssid->ssid = os_malloc(cred->ssid_len); | |
296 | if (ssid->ssid) { | |
297 | os_memcpy(ssid->ssid, cred->ssid, cred->ssid_len); | |
298 | ssid->ssid_len = cred->ssid_len; | |
299 | } | |
300 | ||
301 | switch (cred->encr_type) { | |
302 | case WPS_ENCR_NONE: | |
fa201b69 JM |
303 | break; |
304 | case WPS_ENCR_WEP: | |
4b195a1b AT |
305 | if (cred->key_len <= 0) |
306 | break; | |
307 | if (cred->key_len != 5 && cred->key_len != 13 && | |
308 | cred->key_len != 10 && cred->key_len != 26) { | |
309 | wpa_printf(MSG_ERROR, "WPS: Invalid WEP Key length " | |
310 | "%lu", (unsigned long) cred->key_len); | |
311 | return -1; | |
312 | } | |
522b5b6e | 313 | if (cred->key_idx > NUM_WEP_KEYS) { |
4b195a1b AT |
314 | wpa_printf(MSG_ERROR, "WPS: Invalid WEP Key index %d", |
315 | cred->key_idx); | |
316 | return -1; | |
317 | } | |
522b5b6e AT |
318 | if (cred->key_idx) |
319 | key_idx = cred->key_idx - 1; | |
4b195a1b AT |
320 | if (cred->key_len == 10 || cred->key_len == 26) { |
321 | if (hexstr2bin((char *) cred->key, | |
322 | ssid->wep_key[key_idx], | |
323 | cred->key_len / 2) < 0) { | |
324 | wpa_printf(MSG_ERROR, "WPS: Invalid WEP Key " | |
325 | "%d", key_idx); | |
326 | return -1; | |
327 | } | |
328 | ssid->wep_key_len[key_idx] = cred->key_len / 2; | |
329 | } else { | |
330 | os_memcpy(ssid->wep_key[key_idx], cred->key, | |
fa201b69 | 331 | cred->key_len); |
4b195a1b | 332 | ssid->wep_key_len[key_idx] = cred->key_len; |
fa201b69 | 333 | } |
4b195a1b | 334 | ssid->wep_tx_keyidx = key_idx; |
fa201b69 JM |
335 | break; |
336 | case WPS_ENCR_TKIP: | |
337 | ssid->pairwise_cipher = WPA_CIPHER_TKIP; | |
fa201b69 JM |
338 | break; |
339 | case WPS_ENCR_AES: | |
340 | ssid->pairwise_cipher = WPA_CIPHER_CCMP; | |
fa201b69 JM |
341 | break; |
342 | } | |
343 | ||
49eba5f8 | 344 | switch (auth_type) { |
fa201b69 JM |
345 | case WPS_AUTH_OPEN: |
346 | ssid->auth_alg = WPA_AUTH_ALG_OPEN; | |
347 | ssid->key_mgmt = WPA_KEY_MGMT_NONE; | |
348 | ssid->proto = 0; | |
f981eabc JM |
349 | #ifdef CONFIG_WPS_REG_DISABLE_OPEN |
350 | if (registrar) { | |
351 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_OPEN_NETWORK | |
352 | "id=%d - Credentials for an open " | |
353 | "network disabled by default - use " | |
354 | "'select_network %d' to enable", | |
355 | ssid->id, ssid->id); | |
356 | ssid->disabled = 1; | |
357 | } | |
358 | #endif /* CONFIG_WPS_REG_DISABLE_OPEN */ | |
fa201b69 JM |
359 | break; |
360 | case WPS_AUTH_SHARED: | |
361 | ssid->auth_alg = WPA_AUTH_ALG_SHARED; | |
362 | ssid->key_mgmt = WPA_KEY_MGMT_NONE; | |
363 | ssid->proto = 0; | |
364 | break; | |
365 | case WPS_AUTH_WPAPSK: | |
366 | ssid->auth_alg = WPA_AUTH_ALG_OPEN; | |
367 | ssid->key_mgmt = WPA_KEY_MGMT_PSK; | |
368 | ssid->proto = WPA_PROTO_WPA; | |
369 | break; | |
fa201b69 JM |
370 | case WPS_AUTH_WPA2PSK: |
371 | ssid->auth_alg = WPA_AUTH_ALG_OPEN; | |
372 | ssid->key_mgmt = WPA_KEY_MGMT_PSK; | |
373 | ssid->proto = WPA_PROTO_RSN; | |
374 | break; | |
375 | } | |
376 | ||
377 | if (ssid->key_mgmt == WPA_KEY_MGMT_PSK) { | |
378 | if (cred->key_len == 2 * PMK_LEN) { | |
379 | if (hexstr2bin((const char *) cred->key, ssid->psk, | |
380 | PMK_LEN)) { | |
381 | wpa_printf(MSG_ERROR, "WPS: Invalid Network " | |
382 | "Key"); | |
383 | return -1; | |
384 | } | |
385 | ssid->psk_set = 1; | |
d1c8ac88 | 386 | ssid->export_keys = 1; |
fa201b69 JM |
387 | } else if (cred->key_len >= 8 && cred->key_len < 2 * PMK_LEN) { |
388 | os_free(ssid->passphrase); | |
389 | ssid->passphrase = os_malloc(cred->key_len + 1); | |
390 | if (ssid->passphrase == NULL) | |
391 | return -1; | |
392 | os_memcpy(ssid->passphrase, cred->key, cred->key_len); | |
393 | ssid->passphrase[cred->key_len] = '\0'; | |
394 | wpa_config_update_psk(ssid); | |
d1c8ac88 | 395 | ssid->export_keys = 1; |
fa201b69 JM |
396 | } else { |
397 | wpa_printf(MSG_ERROR, "WPS: Invalid Network Key " | |
398 | "length %lu", | |
399 | (unsigned long) cred->key_len); | |
400 | return -1; | |
401 | } | |
402 | } | |
403 | ||
7cc1b6c9 JM |
404 | wpas_wps_security_workaround(wpa_s, ssid, cred); |
405 | ||
fa201b69 JM |
406 | #ifndef CONFIG_NO_CONFIG_WRITE |
407 | if (wpa_s->conf->update_config && | |
408 | wpa_config_write(wpa_s->confname, wpa_s->conf)) { | |
409 | wpa_printf(MSG_DEBUG, "WPS: Failed to update configuration"); | |
410 | return -1; | |
411 | } | |
412 | #endif /* CONFIG_NO_CONFIG_WRITE */ | |
413 | ||
414 | return 0; | |
415 | } | |
416 | ||
417 | ||
b89883a4 JM |
418 | #ifdef CONFIG_P2P |
419 | static void wpas_wps_pbc_overlap_cb(void *eloop_ctx, void *timeout_ctx) | |
420 | { | |
421 | struct wpa_supplicant *wpa_s = eloop_ctx; | |
422 | wpas_p2p_notif_pbc_overlap(wpa_s); | |
423 | } | |
424 | #endif /* CONFIG_P2P */ | |
425 | ||
426 | ||
4b68290e JM |
427 | static void wpa_supplicant_wps_event_m2d(struct wpa_supplicant *wpa_s, |
428 | struct wps_event_m2d *m2d) | |
429 | { | |
430 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_M2D | |
431 | "dev_password_id=%d config_error=%d", | |
432 | m2d->dev_password_id, m2d->config_error); | |
8bac466b | 433 | wpas_notify_wps_event_m2d(wpa_s, m2d); |
b89883a4 JM |
434 | #ifdef CONFIG_P2P |
435 | if (wpa_s->parent && wpa_s->parent != wpa_s) { | |
436 | wpa_msg(wpa_s->parent, MSG_INFO, WPS_EVENT_M2D | |
437 | "dev_password_id=%d config_error=%d", | |
438 | m2d->dev_password_id, m2d->config_error); | |
439 | } | |
440 | if (m2d->config_error == WPS_CFG_MULTIPLE_PBC_DETECTED) { | |
441 | /* | |
442 | * Notify P2P from eloop timeout to avoid issues with the | |
443 | * interface getting removed while processing a message. | |
444 | */ | |
445 | eloop_register_timeout(0, 0, wpas_wps_pbc_overlap_cb, wpa_s, | |
446 | NULL); | |
447 | } | |
448 | #endif /* CONFIG_P2P */ | |
4b68290e JM |
449 | } |
450 | ||
451 | ||
c5cf0a18 CWY |
452 | static const char * wps_event_fail_reason[NUM_WPS_EI_VALUES] = { |
453 | "No Error", /* WPS_EI_NO_ERROR */ | |
454 | "TKIP Only Prohibited", /* WPS_EI_SECURITY_TKIP_ONLY_PROHIBITED */ | |
455 | "WEP Prohibited" /* WPS_EI_SECURITY_WEP_PROHIBITED */ | |
456 | }; | |
457 | ||
469fc3a4 JM |
458 | static void wpa_supplicant_wps_event_fail(struct wpa_supplicant *wpa_s, |
459 | struct wps_event_fail *fail) | |
460 | { | |
c5cf0a18 CWY |
461 | if (fail->error_indication > 0 && |
462 | fail->error_indication < NUM_WPS_EI_VALUES) { | |
463 | wpa_msg(wpa_s, MSG_INFO, | |
464 | WPS_EVENT_FAIL "msg=%d config_error=%d reason=%d (%s)", | |
465 | fail->msg, fail->config_error, fail->error_indication, | |
466 | wps_event_fail_reason[fail->error_indication]); | |
467 | if (wpa_s->parent && wpa_s->parent != wpa_s) | |
468 | wpa_msg(wpa_s->parent, MSG_INFO, WPS_EVENT_FAIL | |
469 | "msg=%d config_error=%d reason=%d (%s)", | |
470 | fail->msg, fail->config_error, | |
471 | fail->error_indication, | |
472 | wps_event_fail_reason[fail->error_indication]); | |
473 | } else { | |
474 | wpa_msg(wpa_s, MSG_INFO, | |
475 | WPS_EVENT_FAIL "msg=%d config_error=%d", | |
545cc6af | 476 | fail->msg, fail->config_error); |
c5cf0a18 CWY |
477 | if (wpa_s->parent && wpa_s->parent != wpa_s) |
478 | wpa_msg(wpa_s->parent, MSG_INFO, WPS_EVENT_FAIL | |
479 | "msg=%d config_error=%d", | |
480 | fail->msg, fail->config_error); | |
481 | } | |
469fc3a4 | 482 | wpas_clear_wps(wpa_s); |
8bac466b | 483 | wpas_notify_wps_event_fail(wpa_s, fail); |
3734552f JS |
484 | #ifdef CONFIG_P2P |
485 | wpas_p2p_wps_failed(wpa_s, fail); | |
486 | #endif /* CONFIG_P2P */ | |
469fc3a4 JM |
487 | } |
488 | ||
489 | ||
ad5302a1 JM |
490 | static void wpa_supplicant_wps_event_success(struct wpa_supplicant *wpa_s) |
491 | { | |
492 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_SUCCESS); | |
a6099152 | 493 | wpa_s->wps_success = 1; |
8bac466b | 494 | wpas_notify_wps_event_success(wpa_s); |
b22128ef JM |
495 | #ifdef CONFIG_P2P |
496 | wpas_p2p_wps_success(wpa_s, wpa_s->bssid, 0); | |
497 | #endif /* CONFIG_P2P */ | |
ad5302a1 JM |
498 | } |
499 | ||
500 | ||
b78bc3a3 JM |
501 | static void wpa_supplicant_wps_event_er_ap_add(struct wpa_supplicant *wpa_s, |
502 | struct wps_event_er_ap *ap) | |
503 | { | |
504 | char uuid_str[100]; | |
ed45947e | 505 | char dev_type[WPS_DEV_TYPE_BUFSIZE]; |
e694b344 | 506 | |
b78bc3a3 | 507 | uuid_bin2str(ap->uuid, uuid_str, sizeof(uuid_str)); |
e694b344 | 508 | if (ap->pri_dev_type) |
ed45947e JM |
509 | wps_dev_type_bin2str(ap->pri_dev_type, dev_type, |
510 | sizeof(dev_type)); | |
e694b344 JM |
511 | else |
512 | dev_type[0] = '\0'; | |
513 | ||
514 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_AP_ADD "%s " MACSTR | |
515 | " pri_dev_type=%s wps_state=%d |%s|%s|%s|%s|%s|%s|", | |
516 | uuid_str, MAC2STR(ap->mac_addr), dev_type, ap->wps_state, | |
b78bc3a3 JM |
517 | ap->friendly_name ? ap->friendly_name : "", |
518 | ap->manufacturer ? ap->manufacturer : "", | |
519 | ap->model_description ? ap->model_description : "", | |
520 | ap->model_name ? ap->model_name : "", | |
521 | ap->manufacturer_url ? ap->manufacturer_url : "", | |
522 | ap->model_url ? ap->model_url : ""); | |
523 | } | |
524 | ||
525 | ||
526 | static void wpa_supplicant_wps_event_er_ap_remove(struct wpa_supplicant *wpa_s, | |
527 | struct wps_event_er_ap *ap) | |
528 | { | |
529 | char uuid_str[100]; | |
530 | uuid_bin2str(ap->uuid, uuid_str, sizeof(uuid_str)); | |
531 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_AP_REMOVE "%s", uuid_str); | |
532 | } | |
533 | ||
534 | ||
535 | static void wpa_supplicant_wps_event_er_enrollee_add( | |
536 | struct wpa_supplicant *wpa_s, struct wps_event_er_enrollee *enrollee) | |
537 | { | |
538 | char uuid_str[100]; | |
ed45947e | 539 | char dev_type[WPS_DEV_TYPE_BUFSIZE]; |
b78bc3a3 JM |
540 | |
541 | uuid_bin2str(enrollee->uuid, uuid_str, sizeof(uuid_str)); | |
542 | if (enrollee->pri_dev_type) | |
ed45947e JM |
543 | wps_dev_type_bin2str(enrollee->pri_dev_type, dev_type, |
544 | sizeof(dev_type)); | |
b78bc3a3 JM |
545 | else |
546 | dev_type[0] = '\0'; | |
547 | ||
548 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_ENROLLEE_ADD "%s " MACSTR | |
549 | " M1=%d config_methods=0x%x dev_passwd_id=%d pri_dev_type=%s " | |
550 | "|%s|%s|%s|%s|%s|", | |
551 | uuid_str, MAC2STR(enrollee->mac_addr), enrollee->m1_received, | |
552 | enrollee->config_methods, enrollee->dev_passwd_id, dev_type, | |
553 | enrollee->dev_name ? enrollee->dev_name : "", | |
554 | enrollee->manufacturer ? enrollee->manufacturer : "", | |
555 | enrollee->model_name ? enrollee->model_name : "", | |
556 | enrollee->model_number ? enrollee->model_number : "", | |
557 | enrollee->serial_number ? enrollee->serial_number : ""); | |
558 | } | |
559 | ||
560 | ||
561 | static void wpa_supplicant_wps_event_er_enrollee_remove( | |
562 | struct wpa_supplicant *wpa_s, struct wps_event_er_enrollee *enrollee) | |
563 | { | |
564 | char uuid_str[100]; | |
565 | uuid_bin2str(enrollee->uuid, uuid_str, sizeof(uuid_str)); | |
566 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_ENROLLEE_REMOVE "%s " MACSTR, | |
567 | uuid_str, MAC2STR(enrollee->mac_addr)); | |
568 | } | |
569 | ||
570 | ||
15dbf129 JM |
571 | static void wpa_supplicant_wps_event_er_ap_settings( |
572 | struct wpa_supplicant *wpa_s, | |
573 | struct wps_event_er_ap_settings *ap_settings) | |
574 | { | |
575 | char uuid_str[100]; | |
576 | char key_str[65]; | |
577 | const struct wps_credential *cred = ap_settings->cred; | |
578 | ||
579 | key_str[0] = '\0'; | |
580 | if (cred->auth_type & (WPS_AUTH_WPAPSK | WPS_AUTH_WPA2PSK)) { | |
581 | if (cred->key_len >= 8 && cred->key_len <= 64) { | |
582 | os_memcpy(key_str, cred->key, cred->key_len); | |
583 | key_str[cred->key_len] = '\0'; | |
584 | } | |
585 | } | |
586 | ||
587 | uuid_bin2str(ap_settings->uuid, uuid_str, sizeof(uuid_str)); | |
588 | /* Use wpa_msg_ctrl to avoid showing the key in debug log */ | |
589 | wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_ER_AP_SETTINGS | |
590 | "uuid=%s ssid=%s auth_type=0x%04x encr_type=0x%04x " | |
591 | "key=%s", | |
592 | uuid_str, wpa_ssid_txt(cred->ssid, cred->ssid_len), | |
593 | cred->auth_type, cred->encr_type, key_str); | |
594 | } | |
595 | ||
596 | ||
3e7533b3 JM |
597 | static void wpa_supplicant_wps_event_er_set_sel_reg( |
598 | struct wpa_supplicant *wpa_s, | |
599 | struct wps_event_er_set_selected_registrar *ev) | |
600 | { | |
601 | char uuid_str[100]; | |
602 | ||
603 | uuid_bin2str(ev->uuid, uuid_str, sizeof(uuid_str)); | |
604 | switch (ev->state) { | |
605 | case WPS_ER_SET_SEL_REG_START: | |
606 | wpa_msg(wpa_s, MSG_DEBUG, WPS_EVENT_ER_SET_SEL_REG | |
607 | "uuid=%s state=START sel_reg=%d dev_passwd_id=%u " | |
608 | "sel_reg_config_methods=0x%x", | |
609 | uuid_str, ev->sel_reg, ev->dev_passwd_id, | |
610 | ev->sel_reg_config_methods); | |
611 | break; | |
612 | case WPS_ER_SET_SEL_REG_DONE: | |
613 | wpa_msg(wpa_s, MSG_DEBUG, WPS_EVENT_ER_SET_SEL_REG | |
614 | "uuid=%s state=DONE", uuid_str); | |
615 | break; | |
616 | case WPS_ER_SET_SEL_REG_FAILED: | |
617 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_SET_SEL_REG | |
618 | "uuid=%s state=FAILED", uuid_str); | |
619 | break; | |
620 | } | |
621 | } | |
622 | ||
623 | ||
4b68290e JM |
624 | static void wpa_supplicant_wps_event(void *ctx, enum wps_event event, |
625 | union wps_event_data *data) | |
626 | { | |
627 | struct wpa_supplicant *wpa_s = ctx; | |
628 | switch (event) { | |
629 | case WPS_EV_M2D: | |
630 | wpa_supplicant_wps_event_m2d(wpa_s, &data->m2d); | |
631 | break; | |
469fc3a4 JM |
632 | case WPS_EV_FAIL: |
633 | wpa_supplicant_wps_event_fail(wpa_s, &data->fail); | |
634 | break; | |
ad5302a1 JM |
635 | case WPS_EV_SUCCESS: |
636 | wpa_supplicant_wps_event_success(wpa_s); | |
637 | break; | |
3b2cf800 | 638 | case WPS_EV_PWD_AUTH_FAIL: |
70d84f11 JM |
639 | #ifdef CONFIG_AP |
640 | if (wpa_s->ap_iface && data->pwd_auth_fail.enrollee) | |
641 | wpa_supplicant_ap_pwd_auth_fail(wpa_s); | |
642 | #endif /* CONFIG_AP */ | |
3b2cf800 | 643 | break; |
63330c68 OK |
644 | case WPS_EV_PBC_OVERLAP: |
645 | break; | |
646 | case WPS_EV_PBC_TIMEOUT: | |
647 | break; | |
b78bc3a3 JM |
648 | case WPS_EV_ER_AP_ADD: |
649 | wpa_supplicant_wps_event_er_ap_add(wpa_s, &data->ap); | |
650 | break; | |
651 | case WPS_EV_ER_AP_REMOVE: | |
652 | wpa_supplicant_wps_event_er_ap_remove(wpa_s, &data->ap); | |
653 | break; | |
654 | case WPS_EV_ER_ENROLLEE_ADD: | |
655 | wpa_supplicant_wps_event_er_enrollee_add(wpa_s, | |
656 | &data->enrollee); | |
657 | break; | |
658 | case WPS_EV_ER_ENROLLEE_REMOVE: | |
659 | wpa_supplicant_wps_event_er_enrollee_remove(wpa_s, | |
660 | &data->enrollee); | |
661 | break; | |
15dbf129 JM |
662 | case WPS_EV_ER_AP_SETTINGS: |
663 | wpa_supplicant_wps_event_er_ap_settings(wpa_s, | |
664 | &data->ap_settings); | |
665 | break; | |
3e7533b3 JM |
666 | case WPS_EV_ER_SET_SELECTED_REGISTRAR: |
667 | wpa_supplicant_wps_event_er_set_sel_reg(wpa_s, | |
668 | &data->set_sel_reg); | |
669 | break; | |
32cdcf15 JM |
670 | case WPS_EV_AP_PIN_SUCCESS: |
671 | break; | |
4b68290e JM |
672 | } |
673 | } | |
674 | ||
675 | ||
f90c86d4 | 676 | enum wps_request_type wpas_wps_get_req_type(struct wpa_ssid *ssid) |
fa201b69 | 677 | { |
b01c18a8 JM |
678 | if (eap_is_wps_pbc_enrollee(&ssid->eap) || |
679 | eap_is_wps_pin_enrollee(&ssid->eap)) | |
680 | return WPS_REQ_ENROLLEE; | |
681 | else | |
682 | return WPS_REQ_REGISTRAR; | |
fa201b69 | 683 | } |
116654ce JM |
684 | |
685 | ||
fcc60db4 JM |
686 | static void wpas_clear_wps(struct wpa_supplicant *wpa_s) |
687 | { | |
688 | int id; | |
20a0b03d JM |
689 | struct wpa_ssid *ssid, *remove_ssid = NULL, *prev_current; |
690 | ||
691 | prev_current = wpa_s->current_ssid; | |
fcc60db4 JM |
692 | |
693 | eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL); | |
694 | ||
695 | /* Remove any existing WPS network from configuration */ | |
696 | ssid = wpa_s->conf->ssid; | |
697 | while (ssid) { | |
f0477201 | 698 | if (ssid->key_mgmt & WPA_KEY_MGMT_WPS) { |
8bac466b | 699 | if (ssid == wpa_s->current_ssid) { |
f0477201 | 700 | wpa_s->current_ssid = NULL; |
8bac466b JM |
701 | if (ssid != NULL) |
702 | wpas_notify_network_changed(wpa_s); | |
703 | } | |
fcc60db4 | 704 | id = ssid->id; |
8bac466b | 705 | remove_ssid = ssid; |
f0477201 | 706 | } else |
fcc60db4 JM |
707 | id = -1; |
708 | ssid = ssid->next; | |
8bac466b | 709 | if (id >= 0) { |
20a0b03d JM |
710 | if (prev_current == remove_ssid) { |
711 | wpa_sm_set_config(wpa_s->wpa, NULL); | |
712 | eapol_sm_notify_config(wpa_s->eapol, NULL, | |
713 | NULL); | |
714 | } | |
8bac466b | 715 | wpas_notify_network_removed(wpa_s, remove_ssid); |
fcc60db4 | 716 | wpa_config_remove_network(wpa_s->conf, id); |
8bac466b | 717 | } |
fcc60db4 | 718 | } |
f9f0526b JM |
719 | |
720 | wpas_wps_clear_ap_info(wpa_s); | |
fcc60db4 JM |
721 | } |
722 | ||
723 | ||
724 | static void wpas_wps_timeout(void *eloop_ctx, void *timeout_ctx) | |
725 | { | |
726 | struct wpa_supplicant *wpa_s = eloop_ctx; | |
014732ea AC |
727 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_TIMEOUT "Requested operation timed " |
728 | "out"); | |
fcc60db4 JM |
729 | wpas_clear_wps(wpa_s); |
730 | } | |
731 | ||
732 | ||
733 | static struct wpa_ssid * wpas_wps_add_network(struct wpa_supplicant *wpa_s, | |
734 | int registrar, const u8 *bssid) | |
735 | { | |
736 | struct wpa_ssid *ssid; | |
737 | ||
738 | ssid = wpa_config_add_network(wpa_s->conf); | |
739 | if (ssid == NULL) | |
740 | return NULL; | |
8bac466b | 741 | wpas_notify_network_added(wpa_s, ssid); |
fcc60db4 | 742 | wpa_config_set_network_defaults(ssid); |
2ff99b3c | 743 | ssid->temporary = 1; |
fcc60db4 JM |
744 | if (wpa_config_set(ssid, "key_mgmt", "WPS", 0) < 0 || |
745 | wpa_config_set(ssid, "eap", "WSC", 0) < 0 || | |
746 | wpa_config_set(ssid, "identity", registrar ? | |
747 | "\"" WSC_ID_REGISTRAR "\"" : | |
748 | "\"" WSC_ID_ENROLLEE "\"", 0) < 0) { | |
8bac466b | 749 | wpas_notify_network_removed(wpa_s, ssid); |
fcc60db4 JM |
750 | wpa_config_remove_network(wpa_s->conf, ssid->id); |
751 | return NULL; | |
752 | } | |
753 | ||
754 | if (bssid) { | |
b2c5a4a3 | 755 | #ifndef CONFIG_P2P |
59f2caa9 | 756 | struct wpa_bss *bss; |
f7e54365 | 757 | int count = 0; |
b2c5a4a3 | 758 | #endif /* CONFIG_P2P */ |
fcc60db4 JM |
759 | |
760 | os_memcpy(ssid->bssid, bssid, ETH_ALEN); | |
24c23d1b | 761 | ssid->bssid_set = 1; |
fcc60db4 | 762 | |
b2c5a4a3 JM |
763 | /* |
764 | * Note: With P2P, the SSID may change at the time the WPS | |
765 | * provisioning is started, so better not filter the AP based | |
766 | * on the current SSID in the scan results. | |
767 | */ | |
768 | #ifndef CONFIG_P2P | |
59f2caa9 JM |
769 | dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) { |
770 | if (os_memcmp(bssid, bss->bssid, ETH_ALEN) != 0) | |
fcc60db4 JM |
771 | continue; |
772 | ||
fcc60db4 | 773 | os_free(ssid->ssid); |
59f2caa9 | 774 | ssid->ssid = os_malloc(bss->ssid_len); |
fcc60db4 JM |
775 | if (ssid->ssid == NULL) |
776 | break; | |
59f2caa9 JM |
777 | os_memcpy(ssid->ssid, bss->ssid, bss->ssid_len); |
778 | ssid->ssid_len = bss->ssid_len; | |
f7e54365 JM |
779 | wpa_hexdump_ascii(MSG_DEBUG, "WPS: Picked SSID from " |
780 | "scan results", | |
781 | ssid->ssid, ssid->ssid_len); | |
782 | count++; | |
783 | } | |
784 | ||
785 | if (count > 1) { | |
786 | wpa_printf(MSG_DEBUG, "WPS: More than one SSID found " | |
787 | "for the AP; use wildcard"); | |
788 | os_free(ssid->ssid); | |
789 | ssid->ssid = NULL; | |
790 | ssid->ssid_len = 0; | |
fcc60db4 | 791 | } |
b2c5a4a3 | 792 | #endif /* CONFIG_P2P */ |
fcc60db4 JM |
793 | } |
794 | ||
795 | return ssid; | |
796 | } | |
797 | ||
798 | ||
799 | static void wpas_wps_reassoc(struct wpa_supplicant *wpa_s, | |
1e7fb4f1 | 800 | struct wpa_ssid *selected, const u8 *bssid) |
fcc60db4 JM |
801 | { |
802 | struct wpa_ssid *ssid; | |
1e7fb4f1 JM |
803 | struct wpa_bss *bss; |
804 | ||
805 | wpa_s->known_wps_freq = 0; | |
806 | if (bssid) { | |
807 | bss = wpa_bss_get_bssid(wpa_s, bssid); | |
808 | if (bss && bss->freq > 0) { | |
809 | wpa_s->known_wps_freq = 1; | |
810 | wpa_s->wps_freq = bss->freq; | |
811 | } | |
812 | } | |
fcc60db4 | 813 | |
d9d87c33 JM |
814 | if (wpa_s->current_ssid) |
815 | wpa_supplicant_deauthenticate( | |
816 | wpa_s, WLAN_REASON_DEAUTH_LEAVING); | |
817 | ||
fcc60db4 JM |
818 | /* Mark all other networks disabled and trigger reassociation */ |
819 | ssid = wpa_s->conf->ssid; | |
820 | while (ssid) { | |
8bac466b | 821 | int was_disabled = ssid->disabled; |
c2762e41 JS |
822 | /* |
823 | * In case the network object corresponds to a persistent group | |
824 | * then do not send out network disabled signal. In addition, | |
825 | * do not change disabled status of persistent network objects | |
826 | * from 2 to 1 should we connect to another network. | |
827 | */ | |
828 | if (was_disabled != 2) { | |
829 | ssid->disabled = ssid != selected; | |
830 | if (was_disabled != ssid->disabled) | |
831 | wpas_notify_network_enabled_changed(wpa_s, | |
832 | ssid); | |
833 | } | |
fcc60db4 JM |
834 | ssid = ssid->next; |
835 | } | |
836 | wpa_s->disconnected = 0; | |
837 | wpa_s->reassociate = 1; | |
a6099152 | 838 | wpa_s->scan_runs = 0; |
0b7a25c0 | 839 | wpa_s->normal_scans = 0; |
a6099152 JM |
840 | wpa_s->wps_success = 0; |
841 | wpa_s->blacklist_cleared = 0; | |
fcc60db4 JM |
842 | wpa_supplicant_req_scan(wpa_s, 0, 0); |
843 | } | |
844 | ||
845 | ||
9fa243b2 JM |
846 | int wpas_wps_start_pbc(struct wpa_supplicant *wpa_s, const u8 *bssid, |
847 | int p2p_group) | |
fcc60db4 JM |
848 | { |
849 | struct wpa_ssid *ssid; | |
850 | wpas_clear_wps(wpa_s); | |
851 | ssid = wpas_wps_add_network(wpa_s, 0, bssid); | |
852 | if (ssid == NULL) | |
853 | return -1; | |
9fa243b2 JM |
854 | ssid->temporary = 1; |
855 | ssid->p2p_group = p2p_group; | |
812bf56a | 856 | #ifdef CONFIG_P2P |
e9a7ae41 JM |
857 | if (p2p_group && wpa_s->go_params && wpa_s->go_params->ssid_len) { |
858 | ssid->ssid = os_zalloc(wpa_s->go_params->ssid_len + 1); | |
859 | if (ssid->ssid) { | |
860 | ssid->ssid_len = wpa_s->go_params->ssid_len; | |
861 | os_memcpy(ssid->ssid, wpa_s->go_params->ssid, | |
862 | ssid->ssid_len); | |
863 | wpa_hexdump_ascii(MSG_DEBUG, "WPS: Use specific AP " | |
864 | "SSID", ssid->ssid, ssid->ssid_len); | |
865 | } | |
866 | } | |
812bf56a | 867 | #endif /* CONFIG_P2P */ |
fcc60db4 | 868 | wpa_config_set(ssid, "phase1", "\"pbc=1\"", 0); |
42f50264 JM |
869 | if (wpa_s->wps_fragment_size) |
870 | ssid->eap.fragment_size = wpa_s->wps_fragment_size; | |
fcc60db4 JM |
871 | eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout, |
872 | wpa_s, NULL); | |
1e7fb4f1 | 873 | wpas_wps_reassoc(wpa_s, ssid, bssid); |
fcc60db4 JM |
874 | return 0; |
875 | } | |
876 | ||
877 | ||
878 | int wpas_wps_start_pin(struct wpa_supplicant *wpa_s, const u8 *bssid, | |
3c5126a4 | 879 | const char *pin, int p2p_group, u16 dev_pw_id) |
fcc60db4 JM |
880 | { |
881 | struct wpa_ssid *ssid; | |
46bdb83a | 882 | char val[128]; |
fcc60db4 JM |
883 | unsigned int rpin = 0; |
884 | ||
885 | wpas_clear_wps(wpa_s); | |
886 | ssid = wpas_wps_add_network(wpa_s, 0, bssid); | |
887 | if (ssid == NULL) | |
888 | return -1; | |
9fa243b2 JM |
889 | ssid->temporary = 1; |
890 | ssid->p2p_group = p2p_group; | |
812bf56a | 891 | #ifdef CONFIG_P2P |
e9a7ae41 JM |
892 | if (p2p_group && wpa_s->go_params && wpa_s->go_params->ssid_len) { |
893 | ssid->ssid = os_zalloc(wpa_s->go_params->ssid_len + 1); | |
894 | if (ssid->ssid) { | |
895 | ssid->ssid_len = wpa_s->go_params->ssid_len; | |
896 | os_memcpy(ssid->ssid, wpa_s->go_params->ssid, | |
897 | ssid->ssid_len); | |
898 | wpa_hexdump_ascii(MSG_DEBUG, "WPS: Use specific AP " | |
899 | "SSID", ssid->ssid, ssid->ssid_len); | |
900 | } | |
901 | } | |
812bf56a | 902 | #endif /* CONFIG_P2P */ |
fcc60db4 | 903 | if (pin) |
3c5126a4 JM |
904 | os_snprintf(val, sizeof(val), "\"pin=%s dev_pw_id=%u\"", |
905 | pin, dev_pw_id); | |
fcc60db4 JM |
906 | else { |
907 | rpin = wps_generate_pin(); | |
3c5126a4 JM |
908 | os_snprintf(val, sizeof(val), "\"pin=%08d dev_pw_id=%u\"", |
909 | rpin, dev_pw_id); | |
fcc60db4 JM |
910 | } |
911 | wpa_config_set(ssid, "phase1", val, 0); | |
42f50264 JM |
912 | if (wpa_s->wps_fragment_size) |
913 | ssid->eap.fragment_size = wpa_s->wps_fragment_size; | |
fcc60db4 JM |
914 | eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout, |
915 | wpa_s, NULL); | |
f9f0526b | 916 | wpa_s->wps_ap_iter = 1; |
1e7fb4f1 | 917 | wpas_wps_reassoc(wpa_s, ssid, bssid); |
fcc60db4 JM |
918 | return rpin; |
919 | } | |
920 | ||
921 | ||
2f9929ff AC |
922 | /* Cancel the wps pbc/pin requests */ |
923 | int wpas_wps_cancel(struct wpa_supplicant *wpa_s) | |
924 | { | |
925 | #ifdef CONFIG_AP | |
926 | if (wpa_s->ap_iface) { | |
927 | wpa_printf(MSG_DEBUG, "WPS: Cancelling in AP mode"); | |
928 | return wpa_supplicant_ap_wps_cancel(wpa_s); | |
929 | } | |
930 | #endif /* CONFIG_AP */ | |
931 | ||
476dea24 JM |
932 | if (wpa_s->wpa_state == WPA_SCANNING || |
933 | wpa_s->wpa_state == WPA_DISCONNECTED) { | |
2f9929ff AC |
934 | wpa_printf(MSG_DEBUG, "WPS: Cancel operation - cancel scan"); |
935 | wpa_supplicant_cancel_scan(wpa_s); | |
936 | wpas_clear_wps(wpa_s); | |
937 | } else if (wpa_s->wpa_state >= WPA_ASSOCIATED) { | |
938 | wpa_printf(MSG_DEBUG, "WPS: Cancel operation - " | |
939 | "deauthenticate"); | |
940 | wpa_supplicant_deauthenticate(wpa_s, | |
941 | WLAN_REASON_DEAUTH_LEAVING); | |
942 | wpas_clear_wps(wpa_s); | |
f9f0526b JM |
943 | } else |
944 | wpas_wps_clear_ap_info(wpa_s); | |
2f9929ff AC |
945 | |
946 | return 0; | |
947 | } | |
948 | ||
949 | ||
116f7bb0 | 950 | #ifdef CONFIG_WPS_OOB |
46bdb83a | 951 | int wpas_wps_start_oob(struct wpa_supplicant *wpa_s, char *device_type, |
e1ee6b60 | 952 | char *path, char *method, char *name) |
46bdb83a MH |
953 | { |
954 | struct wps_context *wps = wpa_s->wps; | |
7cbf51bb | 955 | struct oob_device_data *oob_dev; |
46bdb83a | 956 | |
7cbf51bb JM |
957 | oob_dev = wps_get_oob_device(device_type); |
958 | if (oob_dev == NULL) | |
46bdb83a | 959 | return -1; |
7cbf51bb | 960 | oob_dev->device_path = path; |
e1ee6b60 | 961 | oob_dev->device_name = name; |
46bdb83a MH |
962 | wps->oob_conf.oob_method = wps_get_oob_method(method); |
963 | ||
d5e2b2d2 JM |
964 | if (wps->oob_conf.oob_method == OOB_METHOD_DEV_PWD_E) { |
965 | /* | |
966 | * Use pre-configured DH keys in order to be able to write the | |
967 | * key hash into the OOB file. | |
968 | */ | |
969 | wpabuf_free(wps->dh_pubkey); | |
970 | wpabuf_free(wps->dh_privkey); | |
971 | wps->dh_privkey = NULL; | |
f042122a JM |
972 | wps->dh_pubkey = NULL; |
973 | dh5_free(wps->dh_ctx); | |
974 | wps->dh_ctx = dh5_init(&wps->dh_privkey, &wps->dh_pubkey); | |
d5e2b2d2 | 975 | wps->dh_pubkey = wpabuf_zeropad(wps->dh_pubkey, 192); |
f042122a | 976 | if (wps->dh_ctx == NULL || wps->dh_pubkey == NULL) { |
d5e2b2d2 JM |
977 | wpa_printf(MSG_ERROR, "WPS: Failed to initialize " |
978 | "Diffie-Hellman handshake"); | |
979 | return -1; | |
980 | } | |
981 | } | |
982 | ||
46bdb83a MH |
983 | if (wps->oob_conf.oob_method == OOB_METHOD_CRED) |
984 | wpas_clear_wps(wpa_s); | |
985 | ||
7cbf51bb | 986 | if (wps_process_oob(wps, oob_dev, 0) < 0) |
46bdb83a MH |
987 | return -1; |
988 | ||
989 | if ((wps->oob_conf.oob_method == OOB_METHOD_DEV_PWD_E || | |
990 | wps->oob_conf.oob_method == OOB_METHOD_DEV_PWD_R) && | |
991 | wpas_wps_start_pin(wpa_s, NULL, | |
d9c8a7c4 JM |
992 | wpabuf_head(wps->oob_conf.dev_password), 0, |
993 | DEV_PW_DEFAULT) < 0) | |
46bdb83a MH |
994 | return -1; |
995 | ||
996 | return 0; | |
997 | } | |
116f7bb0 | 998 | #endif /* CONFIG_WPS_OOB */ |
46bdb83a MH |
999 | |
1000 | ||
fcc60db4 | 1001 | int wpas_wps_start_reg(struct wpa_supplicant *wpa_s, const u8 *bssid, |
52eb293d | 1002 | const char *pin, struct wps_new_ap_settings *settings) |
fcc60db4 JM |
1003 | { |
1004 | struct wpa_ssid *ssid; | |
52eb293d JM |
1005 | char val[200]; |
1006 | char *pos, *end; | |
1007 | int res; | |
fcc60db4 JM |
1008 | |
1009 | if (!pin) | |
1010 | return -1; | |
1011 | wpas_clear_wps(wpa_s); | |
1012 | ssid = wpas_wps_add_network(wpa_s, 1, bssid); | |
1013 | if (ssid == NULL) | |
1014 | return -1; | |
2ff99b3c | 1015 | ssid->temporary = 1; |
52eb293d JM |
1016 | pos = val; |
1017 | end = pos + sizeof(val); | |
1018 | res = os_snprintf(pos, end - pos, "\"pin=%s", pin); | |
1019 | if (res < 0 || res >= end - pos) | |
1020 | return -1; | |
1021 | pos += res; | |
1022 | if (settings) { | |
1023 | res = os_snprintf(pos, end - pos, " new_ssid=%s new_auth=%s " | |
1024 | "new_encr=%s new_key=%s", | |
1025 | settings->ssid_hex, settings->auth, | |
1026 | settings->encr, settings->key_hex); | |
1027 | if (res < 0 || res >= end - pos) | |
1028 | return -1; | |
1029 | pos += res; | |
1030 | } | |
1031 | res = os_snprintf(pos, end - pos, "\""); | |
1032 | if (res < 0 || res >= end - pos) | |
1033 | return -1; | |
fcc60db4 | 1034 | wpa_config_set(ssid, "phase1", val, 0); |
42f50264 JM |
1035 | if (wpa_s->wps_fragment_size) |
1036 | ssid->eap.fragment_size = wpa_s->wps_fragment_size; | |
fcc60db4 JM |
1037 | eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout, |
1038 | wpa_s, NULL); | |
1e7fb4f1 | 1039 | wpas_wps_reassoc(wpa_s, ssid, bssid); |
fcc60db4 JM |
1040 | return 0; |
1041 | } | |
1042 | ||
1043 | ||
c5adf528 JM |
1044 | static int wpas_wps_new_psk_cb(void *ctx, const u8 *mac_addr, const u8 *psk, |
1045 | size_t psk_len) | |
1046 | { | |
1047 | wpa_printf(MSG_DEBUG, "WPS: Received new WPA/WPA2-PSK from WPS for " | |
1048 | "STA " MACSTR, MAC2STR(mac_addr)); | |
1049 | wpa_hexdump_key(MSG_DEBUG, "Per-device PSK", psk, psk_len); | |
1050 | ||
1051 | /* TODO */ | |
1052 | ||
1053 | return 0; | |
1054 | } | |
1055 | ||
1056 | ||
1057 | static void wpas_wps_pin_needed_cb(void *ctx, const u8 *uuid_e, | |
1058 | const struct wps_device_data *dev) | |
1059 | { | |
1060 | char uuid[40], txt[400]; | |
1061 | int len; | |
96750ea5 | 1062 | char devtype[WPS_DEV_TYPE_BUFSIZE]; |
c5adf528 JM |
1063 | if (uuid_bin2str(uuid_e, uuid, sizeof(uuid))) |
1064 | return; | |
1065 | wpa_printf(MSG_DEBUG, "WPS: PIN needed for UUID-E %s", uuid); | |
1066 | len = os_snprintf(txt, sizeof(txt), "WPS-EVENT-PIN-NEEDED %s " MACSTR | |
96750ea5 | 1067 | " [%s|%s|%s|%s|%s|%s]", |
c5adf528 JM |
1068 | uuid, MAC2STR(dev->mac_addr), dev->device_name, |
1069 | dev->manufacturer, dev->model_name, | |
1070 | dev->model_number, dev->serial_number, | |
96750ea5 JM |
1071 | wps_dev_type_bin2str(dev->pri_dev_type, devtype, |
1072 | sizeof(devtype))); | |
c5adf528 JM |
1073 | if (len > 0 && len < (int) sizeof(txt)) |
1074 | wpa_printf(MSG_INFO, "%s", txt); | |
1075 | } | |
1076 | ||
1077 | ||
72df2f5f JM |
1078 | static void wpas_wps_set_sel_reg_cb(void *ctx, int sel_reg, u16 dev_passwd_id, |
1079 | u16 sel_reg_config_methods) | |
1080 | { | |
1081 | #ifdef CONFIG_WPS_ER | |
1082 | struct wpa_supplicant *wpa_s = ctx; | |
1083 | ||
1084 | if (wpa_s->wps_er == NULL) | |
1085 | return; | |
ad474118 JM |
1086 | wpa_printf(MSG_DEBUG, "WPS ER: SetSelectedRegistrar - sel_reg=%d " |
1087 | "dev_password_id=%u sel_reg_config_methods=0x%x", | |
1088 | sel_reg, dev_passwd_id, sel_reg_config_methods); | |
72df2f5f JM |
1089 | wps_er_set_sel_reg(wpa_s->wps_er, sel_reg, dev_passwd_id, |
1090 | sel_reg_config_methods); | |
1091 | #endif /* CONFIG_WPS_ER */ | |
1092 | } | |
1093 | ||
1094 | ||
092acb54 JM |
1095 | static u16 wps_fix_config_methods(u16 config_methods) |
1096 | { | |
1097 | #ifdef CONFIG_WPS2 | |
1098 | if ((config_methods & | |
1099 | (WPS_CONFIG_DISPLAY | WPS_CONFIG_VIRT_DISPLAY | | |
1100 | WPS_CONFIG_PHY_DISPLAY)) == WPS_CONFIG_DISPLAY) { | |
1101 | wpa_printf(MSG_INFO, "WPS: Converting display to " | |
1102 | "virtual_display for WPS 2.0 compliance"); | |
1103 | config_methods |= WPS_CONFIG_VIRT_DISPLAY; | |
1104 | } | |
1105 | if ((config_methods & | |
1106 | (WPS_CONFIG_PUSHBUTTON | WPS_CONFIG_VIRT_PUSHBUTTON | | |
1107 | WPS_CONFIG_PHY_PUSHBUTTON)) == WPS_CONFIG_PUSHBUTTON) { | |
1108 | wpa_printf(MSG_INFO, "WPS: Converting push_button to " | |
1109 | "virtual_push_button for WPS 2.0 compliance"); | |
1110 | config_methods |= WPS_CONFIG_VIRT_PUSHBUTTON; | |
1111 | } | |
1112 | #endif /* CONFIG_WPS2 */ | |
1113 | ||
1114 | return config_methods; | |
1115 | } | |
1116 | ||
1117 | ||
85a821d6 JM |
1118 | static void wpas_wps_set_uuid(struct wpa_supplicant *wpa_s, |
1119 | struct wps_context *wps) | |
1120 | { | |
1121 | wpa_printf(MSG_DEBUG, "WPS: Set UUID for interface %s", wpa_s->ifname); | |
1122 | if (is_nil_uuid(wpa_s->conf->uuid)) { | |
1123 | struct wpa_supplicant *first; | |
1124 | first = wpa_s->global->ifaces; | |
1125 | while (first && first->next) | |
1126 | first = first->next; | |
1127 | if (first && first != wpa_s) { | |
157cdad5 BG |
1128 | if (wps != wpa_s->global->ifaces->wps) |
1129 | os_memcpy(wps->uuid, | |
1130 | wpa_s->global->ifaces->wps->uuid, | |
1131 | WPS_UUID_LEN); | |
85a821d6 JM |
1132 | wpa_hexdump(MSG_DEBUG, "WPS: UUID from the first " |
1133 | "interface", wps->uuid, WPS_UUID_LEN); | |
1134 | } else { | |
1135 | uuid_gen_mac_addr(wpa_s->own_addr, wps->uuid); | |
1136 | wpa_hexdump(MSG_DEBUG, "WPS: UUID based on MAC " | |
1137 | "address", wps->uuid, WPS_UUID_LEN); | |
1138 | } | |
1139 | } else { | |
1140 | os_memcpy(wps->uuid, wpa_s->conf->uuid, WPS_UUID_LEN); | |
1141 | wpa_hexdump(MSG_DEBUG, "WPS: UUID based on configuration", | |
1142 | wps->uuid, WPS_UUID_LEN); | |
1143 | } | |
1144 | } | |
1145 | ||
1146 | ||
71dd3b78 AS |
1147 | static void wpas_wps_set_vendor_ext_m1(struct wpa_supplicant *wpa_s, |
1148 | struct wps_context *wps) | |
1149 | { | |
1150 | wpabuf_free(wps->dev.vendor_ext_m1); | |
1151 | wps->dev.vendor_ext_m1 = NULL; | |
1152 | ||
1153 | if (wpa_s->conf->wps_vendor_ext_m1) { | |
1154 | wps->dev.vendor_ext_m1 = | |
1155 | wpabuf_dup(wpa_s->conf->wps_vendor_ext_m1); | |
1156 | if (!wps->dev.vendor_ext_m1) { | |
1157 | wpa_printf(MSG_ERROR, "WPS: Cannot " | |
1158 | "allocate memory for vendor_ext_m1"); | |
1159 | } | |
1160 | } | |
1161 | } | |
1162 | ||
1163 | ||
116654ce JM |
1164 | int wpas_wps_init(struct wpa_supplicant *wpa_s) |
1165 | { | |
1166 | struct wps_context *wps; | |
c5adf528 | 1167 | struct wps_registrar_config rcfg; |
6fb6d842 | 1168 | struct hostapd_hw_modes *modes; |
6bf731e8 | 1169 | u16 m; |
116654ce JM |
1170 | |
1171 | wps = os_zalloc(sizeof(*wps)); | |
1172 | if (wps == NULL) | |
1173 | return -1; | |
1174 | ||
1175 | wps->cred_cb = wpa_supplicant_wps_cred; | |
4b68290e | 1176 | wps->event_cb = wpa_supplicant_wps_event; |
116654ce JM |
1177 | wps->cb_ctx = wpa_s; |
1178 | ||
3c0b7aa4 JM |
1179 | wps->dev.device_name = wpa_s->conf->device_name; |
1180 | wps->dev.manufacturer = wpa_s->conf->manufacturer; | |
1181 | wps->dev.model_name = wpa_s->conf->model_name; | |
1182 | wps->dev.model_number = wpa_s->conf->model_number; | |
1183 | wps->dev.serial_number = wpa_s->conf->serial_number; | |
c0e4dd9e JM |
1184 | wps->config_methods = |
1185 | wps_config_methods_str2bin(wpa_s->conf->config_methods); | |
979b988e JM |
1186 | if ((wps->config_methods & (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) == |
1187 | (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) { | |
1188 | wpa_printf(MSG_ERROR, "WPS: Both Label and Display config " | |
1189 | "methods are not allowed at the same time"); | |
1190 | os_free(wps); | |
1191 | return -1; | |
1192 | } | |
092acb54 | 1193 | wps->config_methods = wps_fix_config_methods(wps->config_methods); |
a9355fac | 1194 | wps->dev.config_methods = wps->config_methods; |
2f646b6e JB |
1195 | os_memcpy(wps->dev.pri_dev_type, wpa_s->conf->device_type, |
1196 | WPS_DEV_TYPE_LEN); | |
a9e86bfb | 1197 | |
2f646b6e JB |
1198 | wps->dev.num_sec_dev_types = wpa_s->conf->num_sec_device_types; |
1199 | os_memcpy(wps->dev.sec_dev_type, wpa_s->conf->sec_device_type, | |
1200 | WPS_DEV_TYPE_LEN * wps->dev.num_sec_dev_types); | |
a9e86bfb | 1201 | |
71dd3b78 AS |
1202 | wpas_wps_set_vendor_ext_m1(wpa_s, wps); |
1203 | ||
3c0b7aa4 | 1204 | wps->dev.os_version = WPA_GET_BE32(wpa_s->conf->os_version); |
6bf731e8 | 1205 | modes = wpa_s->hw.modes; |
6fb6d842 | 1206 | if (modes) { |
6bf731e8 | 1207 | for (m = 0; m < wpa_s->hw.num_modes; m++) { |
6fb6d842 BC |
1208 | if (modes[m].mode == HOSTAPD_MODE_IEEE80211B || |
1209 | modes[m].mode == HOSTAPD_MODE_IEEE80211G) | |
1210 | wps->dev.rf_bands |= WPS_RF_24GHZ; | |
1211 | else if (modes[m].mode == HOSTAPD_MODE_IEEE80211A) | |
1212 | wps->dev.rf_bands |= WPS_RF_50GHZ; | |
1213 | } | |
6fb6d842 BC |
1214 | } |
1215 | if (wps->dev.rf_bands == 0) { | |
1216 | /* | |
1217 | * Default to claiming support for both bands if the driver | |
1218 | * does not provide support for fetching supported bands. | |
1219 | */ | |
1220 | wps->dev.rf_bands = WPS_RF_24GHZ | WPS_RF_50GHZ; | |
1221 | } | |
398cfbf6 | 1222 | os_memcpy(wps->dev.mac_addr, wpa_s->own_addr, ETH_ALEN); |
85a821d6 | 1223 | wpas_wps_set_uuid(wpa_s, wps); |
116654ce | 1224 | |
c5adf528 JM |
1225 | wps->auth_types = WPS_AUTH_WPA2PSK | WPS_AUTH_WPAPSK; |
1226 | wps->encr_types = WPS_ENCR_AES | WPS_ENCR_TKIP; | |
1227 | ||
1228 | os_memset(&rcfg, 0, sizeof(rcfg)); | |
1229 | rcfg.new_psk_cb = wpas_wps_new_psk_cb; | |
1230 | rcfg.pin_needed_cb = wpas_wps_pin_needed_cb; | |
72df2f5f | 1231 | rcfg.set_sel_reg_cb = wpas_wps_set_sel_reg_cb; |
c5adf528 JM |
1232 | rcfg.cb_ctx = wpa_s; |
1233 | ||
1234 | wps->registrar = wps_registrar_init(wps, &rcfg); | |
1235 | if (wps->registrar == NULL) { | |
1236 | wpa_printf(MSG_DEBUG, "Failed to initialize WPS Registrar"); | |
1237 | os_free(wps); | |
1238 | return -1; | |
1239 | } | |
1240 | ||
116654ce JM |
1241 | wpa_s->wps = wps; |
1242 | ||
1243 | return 0; | |
1244 | } | |
1245 | ||
1246 | ||
1247 | void wpas_wps_deinit(struct wpa_supplicant *wpa_s) | |
1248 | { | |
fcc60db4 | 1249 | eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL); |
f9f0526b | 1250 | wpas_wps_clear_ap_info(wpa_s); |
fcc60db4 | 1251 | |
116654ce JM |
1252 | if (wpa_s->wps == NULL) |
1253 | return; | |
1254 | ||
a6b63078 | 1255 | #ifdef CONFIG_WPS_ER |
1a1bf008 | 1256 | wps_er_deinit(wpa_s->wps_er, NULL, NULL); |
a6b63078 JM |
1257 | wpa_s->wps_er = NULL; |
1258 | #endif /* CONFIG_WPS_ER */ | |
1259 | ||
c5adf528 | 1260 | wps_registrar_deinit(wpa_s->wps->registrar); |
46bdb83a MH |
1261 | wpabuf_free(wpa_s->wps->dh_pubkey); |
1262 | wpabuf_free(wpa_s->wps->dh_privkey); | |
1263 | wpabuf_free(wpa_s->wps->oob_conf.pubkey_hash); | |
1264 | wpabuf_free(wpa_s->wps->oob_conf.dev_password); | |
71dd3b78 | 1265 | wpabuf_free(wpa_s->wps->dev.vendor_ext_m1); |
116654ce JM |
1266 | os_free(wpa_s->wps->network_key); |
1267 | os_free(wpa_s->wps); | |
1268 | wpa_s->wps = NULL; | |
1269 | } | |
351f09a2 JM |
1270 | |
1271 | ||
a6099152 | 1272 | int wpas_wps_ssid_bss_match(struct wpa_supplicant *wpa_s, |
620c7837 | 1273 | struct wpa_ssid *ssid, struct wpa_bss *bss) |
351f09a2 JM |
1274 | { |
1275 | struct wpabuf *wps_ie; | |
1276 | ||
1277 | if (!(ssid->key_mgmt & WPA_KEY_MGMT_WPS)) | |
1278 | return -1; | |
1279 | ||
620c7837 | 1280 | wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE); |
351f09a2 JM |
1281 | if (eap_is_wps_pbc_enrollee(&ssid->eap)) { |
1282 | if (!wps_ie) { | |
1283 | wpa_printf(MSG_DEBUG, " skip - non-WPS AP"); | |
1284 | return 0; | |
1285 | } | |
1286 | ||
1287 | if (!wps_is_selected_pbc_registrar(wps_ie)) { | |
1288 | wpa_printf(MSG_DEBUG, " skip - WPS AP " | |
1289 | "without active PBC Registrar"); | |
1290 | wpabuf_free(wps_ie); | |
1291 | return 0; | |
1292 | } | |
1293 | ||
1294 | /* TODO: overlap detection */ | |
1295 | wpa_printf(MSG_DEBUG, " selected based on WPS IE " | |
1296 | "(Active PBC)"); | |
1297 | wpabuf_free(wps_ie); | |
1298 | return 1; | |
1299 | } | |
1300 | ||
1301 | if (eap_is_wps_pin_enrollee(&ssid->eap)) { | |
1302 | if (!wps_ie) { | |
1303 | wpa_printf(MSG_DEBUG, " skip - non-WPS AP"); | |
1304 | return 0; | |
1305 | } | |
1306 | ||
a6099152 | 1307 | /* |
31fcea93 JM |
1308 | * Start with WPS APs that advertise our address as an |
1309 | * authorized MAC (v2.0) or active PIN Registrar (v1.0) and | |
1310 | * allow any WPS AP after couple of scans since some APs do not | |
1311 | * set Selected Registrar attribute properly when using | |
1312 | * external Registrar. | |
a6099152 | 1313 | */ |
31fcea93 | 1314 | if (!wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 1)) { |
a6099152 JM |
1315 | if (wpa_s->scan_runs < WPS_PIN_SCAN_IGNORE_SEL_REG) { |
1316 | wpa_printf(MSG_DEBUG, " skip - WPS AP " | |
1317 | "without active PIN Registrar"); | |
1318 | wpabuf_free(wps_ie); | |
1319 | return 0; | |
1320 | } | |
1321 | wpa_printf(MSG_DEBUG, " selected based on WPS IE"); | |
1322 | } else { | |
1323 | wpa_printf(MSG_DEBUG, " selected based on WPS IE " | |
31fcea93 | 1324 | "(Authorized MAC or Active PIN)"); |
351f09a2 | 1325 | } |
351f09a2 JM |
1326 | wpabuf_free(wps_ie); |
1327 | return 1; | |
1328 | } | |
1329 | ||
1330 | if (wps_ie) { | |
1331 | wpa_printf(MSG_DEBUG, " selected based on WPS IE"); | |
1332 | wpabuf_free(wps_ie); | |
1333 | return 1; | |
1334 | } | |
1335 | ||
1336 | return -1; | |
1337 | } | |
1338 | ||
1339 | ||
a6099152 JM |
1340 | int wpas_wps_ssid_wildcard_ok(struct wpa_supplicant *wpa_s, |
1341 | struct wpa_ssid *ssid, | |
620c7837 | 1342 | struct wpa_bss *bss) |
351f09a2 JM |
1343 | { |
1344 | struct wpabuf *wps_ie = NULL; | |
1345 | int ret = 0; | |
1346 | ||
1347 | if (eap_is_wps_pbc_enrollee(&ssid->eap)) { | |
620c7837 | 1348 | wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE); |
351f09a2 JM |
1349 | if (wps_ie && wps_is_selected_pbc_registrar(wps_ie)) { |
1350 | /* allow wildcard SSID for WPS PBC */ | |
1351 | ret = 1; | |
1352 | } | |
1353 | } else if (eap_is_wps_pin_enrollee(&ssid->eap)) { | |
620c7837 | 1354 | wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE); |
a6099152 | 1355 | if (wps_ie && |
31fcea93 | 1356 | (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 1) || |
a6099152 | 1357 | wpa_s->scan_runs >= WPS_PIN_SCAN_IGNORE_SEL_REG)) { |
351f09a2 JM |
1358 | /* allow wildcard SSID for WPS PIN */ |
1359 | ret = 1; | |
1360 | } | |
1361 | } | |
1362 | ||
24c23d1b JM |
1363 | if (!ret && ssid->bssid_set && |
1364 | os_memcmp(ssid->bssid, bss->bssid, ETH_ALEN) == 0) { | |
1365 | /* allow wildcard SSID due to hardcoded BSSID match */ | |
1366 | ret = 1; | |
1367 | } | |
1368 | ||
54f489be JM |
1369 | #ifdef CONFIG_WPS_STRICT |
1370 | if (wps_ie) { | |
1371 | if (wps_validate_beacon_probe_resp(wps_ie, bss->beacon_ie_len > | |
ff28ccaf | 1372 | 0, bss->bssid) < 0) |
54f489be JM |
1373 | ret = 0; |
1374 | if (bss->beacon_ie_len) { | |
1375 | struct wpabuf *bcn_wps; | |
620c7837 | 1376 | bcn_wps = wpa_bss_get_vendor_ie_multi_beacon( |
54f489be JM |
1377 | bss, WPS_IE_VENDOR_TYPE); |
1378 | if (bcn_wps == NULL) { | |
1379 | wpa_printf(MSG_DEBUG, "WPS: Mandatory WPS IE " | |
1380 | "missing from AP Beacon"); | |
1381 | ret = 0; | |
1382 | } else { | |
1383 | if (wps_validate_beacon(wps_ie) < 0) | |
1384 | ret = 0; | |
1385 | wpabuf_free(bcn_wps); | |
1386 | } | |
1387 | } | |
1388 | } | |
1389 | #endif /* CONFIG_WPS_STRICT */ | |
1390 | ||
351f09a2 JM |
1391 | wpabuf_free(wps_ie); |
1392 | ||
1393 | return ret; | |
1394 | } | |
1395 | ||
1396 | ||
1397 | int wpas_wps_scan_pbc_overlap(struct wpa_supplicant *wpa_s, | |
6fa81a3b | 1398 | struct wpa_bss *selected, struct wpa_ssid *ssid) |
351f09a2 JM |
1399 | { |
1400 | const u8 *sel_uuid, *uuid; | |
351f09a2 JM |
1401 | struct wpabuf *wps_ie; |
1402 | int ret = 0; | |
6fa81a3b | 1403 | struct wpa_bss *bss; |
351f09a2 JM |
1404 | |
1405 | if (!eap_is_wps_pbc_enrollee(&ssid->eap)) | |
1406 | return 0; | |
1407 | ||
9647120b JM |
1408 | wpa_printf(MSG_DEBUG, "WPS: Check whether PBC session overlap is " |
1409 | "present in scan results; selected BSSID " MACSTR, | |
1410 | MAC2STR(selected->bssid)); | |
1411 | ||
351f09a2 | 1412 | /* Make sure that only one AP is in active PBC mode */ |
6fa81a3b | 1413 | wps_ie = wpa_bss_get_vendor_ie_multi(selected, WPS_IE_VENDOR_TYPE); |
9647120b | 1414 | if (wps_ie) { |
351f09a2 | 1415 | sel_uuid = wps_get_uuid_e(wps_ie); |
9647120b JM |
1416 | wpa_hexdump(MSG_DEBUG, "WPS: UUID of the selected BSS", |
1417 | sel_uuid, UUID_LEN); | |
1418 | } else { | |
1419 | wpa_printf(MSG_DEBUG, "WPS: Selected BSS does not include " | |
1420 | "WPS IE?!"); | |
351f09a2 | 1421 | sel_uuid = NULL; |
9647120b | 1422 | } |
351f09a2 | 1423 | |
6fa81a3b | 1424 | dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) { |
351f09a2 JM |
1425 | struct wpabuf *ie; |
1426 | if (bss == selected) | |
1427 | continue; | |
6fa81a3b | 1428 | ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE); |
351f09a2 JM |
1429 | if (!ie) |
1430 | continue; | |
1431 | if (!wps_is_selected_pbc_registrar(ie)) { | |
1432 | wpabuf_free(ie); | |
1433 | continue; | |
1434 | } | |
9647120b JM |
1435 | wpa_printf(MSG_DEBUG, "WPS: Another BSS in active PBC mode: " |
1436 | MACSTR, MAC2STR(bss->bssid)); | |
351f09a2 | 1437 | uuid = wps_get_uuid_e(ie); |
9647120b JM |
1438 | wpa_hexdump(MSG_DEBUG, "WPS: UUID of the other BSS", |
1439 | uuid, UUID_LEN); | |
44cd430f | 1440 | if (sel_uuid == NULL || uuid == NULL || |
9647120b | 1441 | os_memcmp(sel_uuid, uuid, UUID_LEN) != 0) { |
351f09a2 | 1442 | ret = 1; /* PBC overlap */ |
9647120b JM |
1443 | wpa_msg(wpa_s, MSG_INFO, "WPS: PBC overlap detected: " |
1444 | MACSTR " and " MACSTR, | |
1445 | MAC2STR(selected->bssid), | |
1446 | MAC2STR(bss->bssid)); | |
351f09a2 JM |
1447 | wpabuf_free(ie); |
1448 | break; | |
1449 | } | |
1450 | ||
1451 | /* TODO: verify that this is reasonable dual-band situation */ | |
484957ae JM |
1452 | |
1453 | wpabuf_free(ie); | |
351f09a2 JM |
1454 | } |
1455 | ||
1456 | wpabuf_free(wps_ie); | |
1457 | ||
1458 | return ret; | |
1459 | } | |
a524f05e JM |
1460 | |
1461 | ||
1462 | void wpas_wps_notify_scan_results(struct wpa_supplicant *wpa_s) | |
1463 | { | |
6fa81a3b | 1464 | struct wpa_bss *bss; |
6c6ad81f | 1465 | unsigned int pbc = 0, auth = 0, pin = 0, wps = 0; |
a524f05e JM |
1466 | |
1467 | if (wpa_s->disconnected || wpa_s->wpa_state >= WPA_ASSOCIATED) | |
1468 | return; | |
1469 | ||
6fa81a3b | 1470 | dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) { |
a524f05e | 1471 | struct wpabuf *ie; |
6fa81a3b | 1472 | ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE); |
a524f05e JM |
1473 | if (!ie) |
1474 | continue; | |
1475 | if (wps_is_selected_pbc_registrar(ie)) | |
6c6ad81f | 1476 | pbc++; |
31fcea93 | 1477 | else if (wps_is_addr_authorized(ie, wpa_s->own_addr, 0)) |
6c6ad81f | 1478 | auth++; |
a524f05e | 1479 | else if (wps_is_selected_pin_registrar(ie)) |
6c6ad81f | 1480 | pin++; |
a524f05e | 1481 | else |
6c6ad81f | 1482 | wps++; |
a524f05e | 1483 | wpabuf_free(ie); |
a524f05e | 1484 | } |
6c6ad81f JM |
1485 | |
1486 | if (pbc) | |
1487 | wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE_PBC); | |
1488 | else if (auth) | |
1489 | wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE_AUTH); | |
1490 | else if (pin) | |
1491 | wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE_PIN); | |
1492 | else if (wps) | |
1493 | wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE); | |
a524f05e | 1494 | } |
24c23d1b JM |
1495 | |
1496 | ||
1497 | int wpas_wps_searching(struct wpa_supplicant *wpa_s) | |
1498 | { | |
1499 | struct wpa_ssid *ssid; | |
1500 | ||
1501 | for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) { | |
1502 | if ((ssid->key_mgmt & WPA_KEY_MGMT_WPS) && !ssid->disabled) | |
1503 | return 1; | |
1504 | } | |
1505 | ||
1506 | return 0; | |
1507 | } | |
611ed491 JM |
1508 | |
1509 | ||
1510 | int wpas_wps_scan_result_text(const u8 *ies, size_t ies_len, char *buf, | |
1511 | char *end) | |
1512 | { | |
1513 | struct wpabuf *wps_ie; | |
1514 | int ret; | |
1515 | ||
1516 | wps_ie = ieee802_11_vendor_ie_concat(ies, ies_len, WPS_DEV_OUI_WFA); | |
1517 | if (wps_ie == NULL) | |
1518 | return 0; | |
1519 | ||
1520 | ret = wps_attr_text(wps_ie, buf, end); | |
1521 | wpabuf_free(wps_ie); | |
1522 | return ret; | |
1523 | } | |
e9bcfebf JM |
1524 | |
1525 | ||
08486685 | 1526 | int wpas_wps_er_start(struct wpa_supplicant *wpa_s, const char *filter) |
e9bcfebf JM |
1527 | { |
1528 | #ifdef CONFIG_WPS_ER | |
1529 | if (wpa_s->wps_er) { | |
b3f371ca | 1530 | wps_er_refresh(wpa_s->wps_er); |
e9bcfebf JM |
1531 | return 0; |
1532 | } | |
08486685 | 1533 | wpa_s->wps_er = wps_er_init(wpa_s->wps, wpa_s->ifname, filter); |
e9bcfebf JM |
1534 | if (wpa_s->wps_er == NULL) |
1535 | return -1; | |
1536 | return 0; | |
1537 | #else /* CONFIG_WPS_ER */ | |
1538 | return 0; | |
1539 | #endif /* CONFIG_WPS_ER */ | |
1540 | } | |
1541 | ||
1542 | ||
1543 | int wpas_wps_er_stop(struct wpa_supplicant *wpa_s) | |
1544 | { | |
1545 | #ifdef CONFIG_WPS_ER | |
1a1bf008 | 1546 | wps_er_deinit(wpa_s->wps_er, NULL, NULL); |
e9bcfebf JM |
1547 | wpa_s->wps_er = NULL; |
1548 | #endif /* CONFIG_WPS_ER */ | |
1549 | return 0; | |
1550 | } | |
72df2f5f JM |
1551 | |
1552 | ||
1553 | #ifdef CONFIG_WPS_ER | |
31fcea93 JM |
1554 | int wpas_wps_er_add_pin(struct wpa_supplicant *wpa_s, const u8 *addr, |
1555 | const char *uuid, const char *pin) | |
72df2f5f JM |
1556 | { |
1557 | u8 u[UUID_LEN]; | |
1558 | int any = 0; | |
1559 | ||
1560 | if (os_strcmp(uuid, "any") == 0) | |
1561 | any = 1; | |
1562 | else if (uuid_str2bin(uuid, u)) | |
1563 | return -1; | |
31fcea93 JM |
1564 | return wps_registrar_add_pin(wpa_s->wps->registrar, addr, |
1565 | any ? NULL : u, | |
72df2f5f JM |
1566 | (const u8 *) pin, os_strlen(pin), 300); |
1567 | } | |
564cd7fa JM |
1568 | |
1569 | ||
1570 | int wpas_wps_er_pbc(struct wpa_supplicant *wpa_s, const char *uuid) | |
1571 | { | |
1572 | u8 u[UUID_LEN]; | |
1573 | ||
1574 | if (uuid_str2bin(uuid, u)) | |
1575 | return -1; | |
1576 | return wps_er_pbc(wpa_s->wps_er, u); | |
1577 | } | |
e64dcfd5 JM |
1578 | |
1579 | ||
1580 | int wpas_wps_er_learn(struct wpa_supplicant *wpa_s, const char *uuid, | |
1581 | const char *pin) | |
1582 | { | |
1583 | u8 u[UUID_LEN]; | |
1584 | ||
1585 | if (uuid_str2bin(uuid, u)) | |
1586 | return -1; | |
1587 | return wps_er_learn(wpa_s->wps_er, u, (const u8 *) pin, | |
1588 | os_strlen(pin)); | |
1589 | } | |
1a1bf008 JM |
1590 | |
1591 | ||
ef10f473 JM |
1592 | int wpas_wps_er_set_config(struct wpa_supplicant *wpa_s, const char *uuid, |
1593 | int id) | |
1594 | { | |
1595 | u8 u[UUID_LEN]; | |
1596 | struct wpa_ssid *ssid; | |
1597 | struct wps_credential cred; | |
1598 | ||
1599 | if (uuid_str2bin(uuid, u)) | |
1600 | return -1; | |
1601 | ssid = wpa_config_get_network(wpa_s->conf, id); | |
1602 | if (ssid == NULL || ssid->ssid == NULL) | |
1603 | return -1; | |
1604 | ||
1605 | os_memset(&cred, 0, sizeof(cred)); | |
1606 | if (ssid->ssid_len > 32) | |
1607 | return -1; | |
1608 | os_memcpy(cred.ssid, ssid->ssid, ssid->ssid_len); | |
1609 | cred.ssid_len = ssid->ssid_len; | |
1610 | if (ssid->key_mgmt & WPA_KEY_MGMT_PSK) { | |
1611 | cred.auth_type = (ssid->proto & WPA_PROTO_RSN) ? | |
1612 | WPS_AUTH_WPA2PSK : WPS_AUTH_WPAPSK; | |
1613 | if (ssid->pairwise_cipher & WPA_CIPHER_CCMP) | |
1614 | cred.encr_type = WPS_ENCR_AES; | |
1615 | else | |
1616 | cred.encr_type = WPS_ENCR_TKIP; | |
1617 | if (ssid->passphrase) { | |
1618 | cred.key_len = os_strlen(ssid->passphrase); | |
1619 | if (cred.key_len >= 64) | |
1620 | return -1; | |
1621 | os_memcpy(cred.key, ssid->passphrase, cred.key_len); | |
1622 | } else if (ssid->psk_set) { | |
1623 | cred.key_len = 32; | |
1624 | os_memcpy(cred.key, ssid->psk, 32); | |
1625 | } else | |
1626 | return -1; | |
1627 | } else { | |
1628 | cred.auth_type = WPS_AUTH_OPEN; | |
1629 | cred.encr_type = WPS_ENCR_NONE; | |
1630 | } | |
1631 | return wps_er_set_config(wpa_s->wps_er, u, &cred); | |
1632 | } | |
1633 | ||
1634 | ||
7d6640a6 JM |
1635 | int wpas_wps_er_config(struct wpa_supplicant *wpa_s, const char *uuid, |
1636 | const char *pin, struct wps_new_ap_settings *settings) | |
1637 | { | |
1638 | u8 u[UUID_LEN]; | |
1639 | struct wps_credential cred; | |
1640 | size_t len; | |
1641 | ||
1642 | if (uuid_str2bin(uuid, u)) | |
1643 | return -1; | |
1644 | if (settings->ssid_hex == NULL || settings->auth == NULL || | |
1645 | settings->encr == NULL || settings->key_hex == NULL) | |
1646 | return -1; | |
1647 | ||
1648 | os_memset(&cred, 0, sizeof(cred)); | |
1649 | len = os_strlen(settings->ssid_hex); | |
1650 | if ((len & 1) || len > 2 * sizeof(cred.ssid) || | |
1651 | hexstr2bin(settings->ssid_hex, cred.ssid, len / 2)) | |
1652 | return -1; | |
1653 | cred.ssid_len = len / 2; | |
1654 | ||
1655 | len = os_strlen(settings->key_hex); | |
1656 | if ((len & 1) || len > 2 * sizeof(cred.key) || | |
1657 | hexstr2bin(settings->key_hex, cred.key, len / 2)) | |
1658 | return -1; | |
1659 | cred.key_len = len / 2; | |
1660 | ||
1661 | if (os_strcmp(settings->auth, "OPEN") == 0) | |
1662 | cred.auth_type = WPS_AUTH_OPEN; | |
1663 | else if (os_strcmp(settings->auth, "WPAPSK") == 0) | |
1664 | cred.auth_type = WPS_AUTH_WPAPSK; | |
1665 | else if (os_strcmp(settings->auth, "WPA2PSK") == 0) | |
1666 | cred.auth_type = WPS_AUTH_WPA2PSK; | |
1667 | else | |
1668 | return -1; | |
1669 | ||
1670 | if (os_strcmp(settings->encr, "NONE") == 0) | |
1671 | cred.encr_type = WPS_ENCR_NONE; | |
1672 | else if (os_strcmp(settings->encr, "WEP") == 0) | |
1673 | cred.encr_type = WPS_ENCR_WEP; | |
1674 | else if (os_strcmp(settings->encr, "TKIP") == 0) | |
1675 | cred.encr_type = WPS_ENCR_TKIP; | |
1676 | else if (os_strcmp(settings->encr, "CCMP") == 0) | |
1677 | cred.encr_type = WPS_ENCR_AES; | |
1678 | else | |
1679 | return -1; | |
1680 | ||
1681 | return wps_er_config(wpa_s->wps_er, u, (const u8 *) pin, | |
1682 | os_strlen(pin), &cred); | |
1683 | } | |
1684 | ||
1685 | ||
1cea09a9 JM |
1686 | #ifdef CONFIG_WPS_NFC |
1687 | struct wpabuf * wpas_wps_er_nfc_config_token(struct wpa_supplicant *wpa_s, | |
1688 | int ndef, const char *uuid) | |
1689 | { | |
1690 | struct wpabuf *ret; | |
1691 | u8 u[UUID_LEN]; | |
1692 | ||
1693 | if (!wpa_s->wps_er) | |
1694 | return NULL; | |
1695 | ||
1696 | if (uuid_str2bin(uuid, u)) | |
1697 | return NULL; | |
1698 | ||
1699 | ret = wps_er_nfc_config_token(wpa_s->wps_er, u); | |
1700 | if (ndef && ret) { | |
1701 | struct wpabuf *tmp; | |
1702 | tmp = ndef_build_wifi(ret); | |
1703 | wpabuf_free(ret); | |
1704 | if (tmp == NULL) | |
1705 | return NULL; | |
1706 | ret = tmp; | |
1707 | } | |
1708 | ||
1709 | return ret; | |
1710 | } | |
1711 | #endif /* CONFIG_WPS_NFC */ | |
1712 | ||
1713 | ||
4c9695be BG |
1714 | static int callbacks_pending = 0; |
1715 | ||
1a1bf008 JM |
1716 | static void wpas_wps_terminate_cb(void *ctx) |
1717 | { | |
1718 | wpa_printf(MSG_DEBUG, "WPS ER: Terminated"); | |
4c9695be BG |
1719 | if (--callbacks_pending <= 0) |
1720 | eloop_terminate(); | |
1a1bf008 JM |
1721 | } |
1722 | #endif /* CONFIG_WPS_ER */ | |
1723 | ||
1724 | ||
1725 | int wpas_wps_terminate_pending(struct wpa_supplicant *wpa_s) | |
1726 | { | |
1727 | #ifdef CONFIG_WPS_ER | |
1728 | if (wpa_s->wps_er) { | |
4c9695be | 1729 | callbacks_pending++; |
1a1bf008 JM |
1730 | wps_er_deinit(wpa_s->wps_er, wpas_wps_terminate_cb, wpa_s); |
1731 | wpa_s->wps_er = NULL; | |
1732 | return 1; | |
1733 | } | |
72df2f5f | 1734 | #endif /* CONFIG_WPS_ER */ |
1a1bf008 JM |
1735 | return 0; |
1736 | } | |
41e650ae JM |
1737 | |
1738 | ||
1739 | int wpas_wps_in_progress(struct wpa_supplicant *wpa_s) | |
1740 | { | |
1741 | struct wpa_ssid *ssid; | |
1742 | ||
1743 | for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) { | |
1744 | if (!ssid->disabled && ssid->key_mgmt == WPA_KEY_MGMT_WPS) | |
1745 | return 1; | |
1746 | } | |
1747 | ||
1748 | return 0; | |
1749 | } | |
611aea7d JM |
1750 | |
1751 | ||
1752 | void wpas_wps_update_config(struct wpa_supplicant *wpa_s) | |
1753 | { | |
1754 | struct wps_context *wps = wpa_s->wps; | |
1755 | ||
1756 | if (wps == NULL) | |
1757 | return; | |
1758 | ||
1759 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_CONFIG_METHODS) { | |
1760 | wps->config_methods = wps_config_methods_str2bin( | |
1761 | wpa_s->conf->config_methods); | |
1762 | if ((wps->config_methods & | |
1763 | (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) == | |
1764 | (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) { | |
1765 | wpa_printf(MSG_ERROR, "WPS: Both Label and Display " | |
1766 | "config methods are not allowed at the " | |
1767 | "same time"); | |
1768 | wps->config_methods &= ~WPS_CONFIG_LABEL; | |
1769 | } | |
1770 | } | |
092acb54 | 1771 | wps->config_methods = wps_fix_config_methods(wps->config_methods); |
c8b245b6 | 1772 | wps->dev.config_methods = wps->config_methods; |
611aea7d | 1773 | |
2f646b6e JB |
1774 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_DEVICE_TYPE) |
1775 | os_memcpy(wps->dev.pri_dev_type, wpa_s->conf->device_type, | |
1776 | WPS_DEV_TYPE_LEN); | |
611aea7d | 1777 | |
a9e86bfb | 1778 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_SEC_DEVICE_TYPE) { |
2f646b6e JB |
1779 | wps->dev.num_sec_dev_types = wpa_s->conf->num_sec_device_types; |
1780 | os_memcpy(wps->dev.sec_dev_type, wpa_s->conf->sec_device_type, | |
1781 | wps->dev.num_sec_dev_types * WPS_DEV_TYPE_LEN); | |
a9e86bfb JMB |
1782 | } |
1783 | ||
71dd3b78 AS |
1784 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_VENDOR_EXTENSION) |
1785 | wpas_wps_set_vendor_ext_m1(wpa_s, wps); | |
1786 | ||
611aea7d JM |
1787 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_OS_VERSION) |
1788 | wps->dev.os_version = WPA_GET_BE32(wpa_s->conf->os_version); | |
1789 | ||
85a821d6 JM |
1790 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_UUID) |
1791 | wpas_wps_set_uuid(wpa_s, wps); | |
dcf788d1 | 1792 | |
1c9cb49f JM |
1793 | if (wpa_s->conf->changed_parameters & |
1794 | (CFG_CHANGED_DEVICE_NAME | CFG_CHANGED_WPS_STRING)) { | |
dcf788d1 JM |
1795 | /* Update pointers to make sure they refer current values */ |
1796 | wps->dev.device_name = wpa_s->conf->device_name; | |
1797 | wps->dev.manufacturer = wpa_s->conf->manufacturer; | |
1798 | wps->dev.model_name = wpa_s->conf->model_name; | |
1799 | wps->dev.model_number = wpa_s->conf->model_number; | |
1800 | wps->dev.serial_number = wpa_s->conf->serial_number; | |
1801 | } | |
611aea7d | 1802 | } |
3f2c8ba6 JM |
1803 | |
1804 | ||
1805 | #ifdef CONFIG_WPS_NFC | |
1806 | ||
1807 | struct wpabuf * wpas_wps_nfc_token(struct wpa_supplicant *wpa_s, int ndef) | |
1808 | { | |
bfc62fe1 JM |
1809 | return wps_nfc_token_gen(ndef, &wpa_s->conf->wps_nfc_dev_pw_id, |
1810 | &wpa_s->conf->wps_nfc_dh_pubkey, | |
1811 | &wpa_s->conf->wps_nfc_dh_privkey, | |
1812 | &wpa_s->conf->wps_nfc_dev_pw); | |
3f2c8ba6 JM |
1813 | } |
1814 | ||
1815 | ||
1816 | int wpas_wps_start_nfc(struct wpa_supplicant *wpa_s, const u8 *bssid) | |
1817 | { | |
1818 | struct wps_context *wps = wpa_s->wps; | |
1819 | char pw[32 * 2 + 1]; | |
1820 | ||
1821 | if (wpa_s->conf->wps_nfc_dh_pubkey == NULL || | |
1822 | wpa_s->conf->wps_nfc_dh_privkey == NULL || | |
1823 | wpa_s->conf->wps_nfc_dev_pw == NULL) | |
1824 | return -1; | |
1825 | ||
1826 | dh5_free(wps->dh_ctx); | |
1827 | wpabuf_free(wps->dh_pubkey); | |
1828 | wpabuf_free(wps->dh_privkey); | |
1829 | wps->dh_privkey = wpabuf_dup(wpa_s->conf->wps_nfc_dh_privkey); | |
1830 | wps->dh_pubkey = wpabuf_dup(wpa_s->conf->wps_nfc_dh_pubkey); | |
1831 | if (wps->dh_privkey == NULL || wps->dh_pubkey == NULL) { | |
1832 | wps->dh_ctx = NULL; | |
1833 | wpabuf_free(wps->dh_pubkey); | |
1834 | wps->dh_pubkey = NULL; | |
1835 | wpabuf_free(wps->dh_privkey); | |
1836 | wps->dh_privkey = NULL; | |
1837 | return -1; | |
1838 | } | |
1839 | wps->dh_ctx = dh5_init_fixed(wps->dh_privkey, wps->dh_pubkey); | |
1840 | if (wps->dh_ctx == NULL) | |
1841 | return -1; | |
1842 | ||
1843 | wpa_snprintf_hex_uppercase(pw, sizeof(pw), | |
1844 | wpabuf_head(wpa_s->conf->wps_nfc_dev_pw), | |
1845 | wpabuf_len(wpa_s->conf->wps_nfc_dev_pw)); | |
1846 | return wpas_wps_start_pin(wpa_s, bssid, pw, 0, | |
1847 | wpa_s->conf->wps_nfc_dev_pw_id); | |
1848 | } | |
1849 | ||
d7645d23 JM |
1850 | |
1851 | static int wpas_wps_use_cred(struct wpa_supplicant *wpa_s, | |
1852 | struct wps_parse_attr *attr) | |
1853 | { | |
1854 | if (wps_oob_use_cred(wpa_s->wps, attr) < 0) | |
1855 | return -1; | |
1856 | ||
1857 | if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) | |
1858 | return 0; | |
1859 | ||
1860 | wpa_printf(MSG_DEBUG, "WPS: Request reconnection with new network " | |
1861 | "based on the received credential added"); | |
1862 | wpa_s->normal_scans = 0; | |
1863 | wpa_supplicant_reinit_autoscan(wpa_s); | |
1864 | wpa_s->disconnected = 0; | |
1865 | wpa_s->reassociate = 1; | |
1866 | wpa_supplicant_req_scan(wpa_s, 0, 0); | |
1867 | ||
1868 | return 0; | |
1869 | } | |
1870 | ||
1871 | ||
6df865fa | 1872 | #ifdef CONFIG_WPS_ER |
e6ea2a45 JM |
1873 | static int wpas_wps_add_nfc_password_token(struct wpa_supplicant *wpa_s, |
1874 | struct wps_parse_attr *attr) | |
1875 | { | |
e6ea2a45 JM |
1876 | return wps_registrar_add_nfc_password_token( |
1877 | wpa_s->wps->registrar, attr->oob_dev_password, | |
1878 | attr->oob_dev_password_len); | |
1879 | } | |
6df865fa | 1880 | #endif /* CONFIG_WPS_ER */ |
e6ea2a45 JM |
1881 | |
1882 | ||
d7645d23 JM |
1883 | static int wpas_wps_nfc_tag_process(struct wpa_supplicant *wpa_s, |
1884 | const struct wpabuf *wps) | |
1885 | { | |
1886 | struct wps_parse_attr attr; | |
1887 | ||
1888 | wpa_hexdump_buf(MSG_DEBUG, "WPS: Received NFC tag payload", wps); | |
1889 | ||
1890 | if (wps_parse_msg(wps, &attr)) { | |
1891 | wpa_printf(MSG_DEBUG, "WPS: Ignore invalid data from NFC tag"); | |
1892 | return -1; | |
1893 | } | |
1894 | ||
1895 | if (attr.num_cred) | |
1896 | return wpas_wps_use_cred(wpa_s, &attr); | |
1897 | ||
e6ea2a45 JM |
1898 | #ifdef CONFIG_WPS_ER |
1899 | if (attr.oob_dev_password) | |
1900 | return wpas_wps_add_nfc_password_token(wpa_s, &attr); | |
1901 | #endif /* CONFIG_WPS_ER */ | |
1902 | ||
d7645d23 JM |
1903 | wpa_printf(MSG_DEBUG, "WPS: Ignore unrecognized NFC tag"); |
1904 | return -1; | |
1905 | } | |
1906 | ||
1907 | ||
1908 | int wpas_wps_nfc_tag_read(struct wpa_supplicant *wpa_s, | |
1909 | const struct wpabuf *data) | |
1910 | { | |
1911 | const struct wpabuf *wps = data; | |
1912 | struct wpabuf *tmp = NULL; | |
1913 | int ret; | |
1914 | ||
1915 | if (wpabuf_len(data) < 4) | |
1916 | return -1; | |
1917 | ||
1918 | if (*wpabuf_head_u8(data) != 0x10) { | |
1919 | /* Assume this contains full NDEF record */ | |
1920 | tmp = ndef_parse_wifi(data); | |
1921 | if (tmp == NULL) { | |
1922 | wpa_printf(MSG_DEBUG, "WPS: Could not parse NDEF"); | |
1923 | return -1; | |
1924 | } | |
1925 | wps = tmp; | |
1926 | } | |
1927 | ||
1928 | ret = wpas_wps_nfc_tag_process(wpa_s, wps); | |
1929 | wpabuf_free(tmp); | |
1930 | return ret; | |
1931 | } | |
1932 | ||
3f2c8ba6 | 1933 | #endif /* CONFIG_WPS_NFC */ |
f9f0526b JM |
1934 | |
1935 | ||
1936 | extern int wpa_debug_level; | |
1937 | ||
1938 | static void wpas_wps_dump_ap_info(struct wpa_supplicant *wpa_s) | |
1939 | { | |
1940 | size_t i; | |
1941 | struct os_time now; | |
1942 | ||
1943 | if (wpa_debug_level > MSG_DEBUG) | |
1944 | return; | |
1945 | ||
1946 | if (wpa_s->wps_ap == NULL) | |
1947 | return; | |
1948 | ||
1949 | os_get_time(&now); | |
1950 | ||
1951 | for (i = 0; i < wpa_s->num_wps_ap; i++) { | |
1952 | struct wps_ap_info *ap = &wpa_s->wps_ap[i]; | |
1953 | struct wpa_blacklist *e = wpa_blacklist_get(wpa_s, ap->bssid); | |
1954 | ||
1955 | wpa_printf(MSG_DEBUG, "WPS: AP[%d] " MACSTR " type=%d " | |
1956 | "tries=%d last_attempt=%d sec ago blacklist=%d", | |
1957 | (int) i, MAC2STR(ap->bssid), ap->type, ap->tries, | |
1958 | ap->last_attempt.sec > 0 ? | |
1959 | (int) now.sec - (int) ap->last_attempt.sec : -1, | |
1960 | e ? e->count : 0); | |
1961 | } | |
1962 | } | |
1963 | ||
1964 | ||
1965 | static struct wps_ap_info * wpas_wps_get_ap_info(struct wpa_supplicant *wpa_s, | |
1966 | const u8 *bssid) | |
1967 | { | |
1968 | size_t i; | |
1969 | ||
1970 | if (wpa_s->wps_ap == NULL) | |
1971 | return NULL; | |
1972 | ||
1973 | for (i = 0; i < wpa_s->num_wps_ap; i++) { | |
1974 | struct wps_ap_info *ap = &wpa_s->wps_ap[i]; | |
1975 | if (os_memcmp(ap->bssid, bssid, ETH_ALEN) == 0) | |
1976 | return ap; | |
1977 | } | |
1978 | ||
1979 | return NULL; | |
1980 | } | |
1981 | ||
1982 | ||
1983 | static void wpas_wps_update_ap_info_bss(struct wpa_supplicant *wpa_s, | |
1984 | struct wpa_scan_res *res) | |
1985 | { | |
1986 | struct wpabuf *wps; | |
1987 | enum wps_ap_info_type type; | |
1988 | struct wps_ap_info *ap; | |
1989 | int r; | |
1990 | ||
1991 | if (wpa_scan_get_vendor_ie(res, WPS_IE_VENDOR_TYPE) == NULL) | |
1992 | return; | |
1993 | ||
1994 | wps = wpa_scan_get_vendor_ie_multi(res, WPS_IE_VENDOR_TYPE); | |
1995 | if (wps == NULL) | |
1996 | return; | |
1997 | ||
1998 | r = wps_is_addr_authorized(wps, wpa_s->own_addr, 1); | |
1999 | if (r == 2) | |
2000 | type = WPS_AP_SEL_REG_OUR; | |
2001 | else if (r == 1) | |
2002 | type = WPS_AP_SEL_REG; | |
2003 | else | |
2004 | type = WPS_AP_NOT_SEL_REG; | |
2005 | ||
2006 | wpabuf_free(wps); | |
2007 | ||
2008 | ap = wpas_wps_get_ap_info(wpa_s, res->bssid); | |
2009 | if (ap) { | |
2010 | if (ap->type != type) { | |
2011 | wpa_printf(MSG_DEBUG, "WPS: AP " MACSTR | |
2012 | " changed type %d -> %d", | |
2013 | MAC2STR(res->bssid), ap->type, type); | |
2014 | ap->type = type; | |
a462036a JM |
2015 | if (type != WPS_AP_NOT_SEL_REG) |
2016 | wpa_blacklist_del(wpa_s, ap->bssid); | |
f9f0526b JM |
2017 | } |
2018 | return; | |
2019 | } | |
2020 | ||
2021 | ap = os_realloc_array(wpa_s->wps_ap, wpa_s->num_wps_ap + 1, | |
2022 | sizeof(struct wps_ap_info)); | |
2023 | if (ap == NULL) | |
2024 | return; | |
2025 | ||
2026 | wpa_s->wps_ap = ap; | |
2027 | ap = &wpa_s->wps_ap[wpa_s->num_wps_ap]; | |
2028 | wpa_s->num_wps_ap++; | |
2029 | ||
2030 | os_memset(ap, 0, sizeof(*ap)); | |
2031 | os_memcpy(ap->bssid, res->bssid, ETH_ALEN); | |
2032 | ap->type = type; | |
2033 | wpa_printf(MSG_DEBUG, "WPS: AP " MACSTR " type %d added", | |
2034 | MAC2STR(ap->bssid), ap->type); | |
2035 | } | |
2036 | ||
2037 | ||
2038 | void wpas_wps_update_ap_info(struct wpa_supplicant *wpa_s, | |
2039 | struct wpa_scan_results *scan_res) | |
2040 | { | |
2041 | size_t i; | |
2042 | ||
2043 | for (i = 0; i < scan_res->num; i++) | |
2044 | wpas_wps_update_ap_info_bss(wpa_s, scan_res->res[i]); | |
2045 | ||
2046 | wpas_wps_dump_ap_info(wpa_s); | |
2047 | } | |
2048 | ||
2049 | ||
2050 | void wpas_wps_notify_assoc(struct wpa_supplicant *wpa_s, const u8 *bssid) | |
2051 | { | |
2052 | struct wps_ap_info *ap; | |
2053 | if (!wpa_s->wps_ap_iter) | |
2054 | return; | |
2055 | ap = wpas_wps_get_ap_info(wpa_s, bssid); | |
2056 | if (ap == NULL) | |
2057 | return; | |
2058 | ap->tries++; | |
2059 | os_get_time(&ap->last_attempt); | |
2060 | } |