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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; |
97236cee MH |
87 | struct wpa_bss *bss; |
88 | struct wpa_ssid *ssid = NULL; | |
89 | int use_fast_assoc = 0; | |
90 | ||
fa201b69 | 91 | wpa_printf(MSG_DEBUG, "WPS: Network configuration replaced - " |
a565c23b JM |
92 | "try to associate with the received credential " |
93 | "(freq=%u)", freq); | |
fa201b69 JM |
94 | wpa_supplicant_deauthenticate(wpa_s, |
95 | WLAN_REASON_DEAUTH_LEAVING); | |
f981eabc JM |
96 | if (disabled) { |
97 | wpa_printf(MSG_DEBUG, "WPS: Current network is " | |
98 | "disabled - wait for user to enable"); | |
99 | return 1; | |
100 | } | |
17a4734d | 101 | wpa_s->after_wps = 5; |
a565c23b | 102 | wpa_s->wps_freq = freq; |
0b7a25c0 | 103 | wpa_s->normal_scans = 0; |
fa201b69 | 104 | wpa_s->reassociate = 1; |
97236cee MH |
105 | |
106 | wpa_printf(MSG_DEBUG, "WPS: Checking whether fast association " | |
107 | "without a new scan can be used"); | |
108 | bss = wpa_supplicant_pick_network(wpa_s, &ssid); | |
109 | if (bss) { | |
110 | struct wpabuf *wps; | |
111 | struct wps_parse_attr attr; | |
112 | ||
113 | wps = wpa_bss_get_vendor_ie_multi(bss, | |
114 | WPS_IE_VENDOR_TYPE); | |
115 | if (wps && wps_parse_msg(wps, &attr) == 0 && | |
116 | attr.wps_state && | |
117 | *attr.wps_state == WPS_STATE_CONFIGURED) | |
118 | use_fast_assoc = 1; | |
119 | wpabuf_free(wps); | |
120 | } | |
121 | ||
122 | if (!use_fast_assoc || | |
123 | wpa_supplicant_fast_associate(wpa_s) != 1) | |
124 | wpa_supplicant_req_scan(wpa_s, 0, 0); | |
fa201b69 JM |
125 | return 1; |
126 | } | |
127 | ||
47662164 JM |
128 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS && wpa_s->current_ssid) { |
129 | wpa_printf(MSG_DEBUG, "WPS: Registration completed - waiting " | |
130 | "for external credential processing"); | |
131 | wpas_clear_wps(wpa_s); | |
132 | wpa_supplicant_deauthenticate(wpa_s, | |
133 | WLAN_REASON_DEAUTH_LEAVING); | |
134 | return 1; | |
135 | } | |
136 | ||
fa201b69 JM |
137 | return 0; |
138 | } | |
139 | ||
140 | ||
7cc1b6c9 JM |
141 | static void wpas_wps_security_workaround(struct wpa_supplicant *wpa_s, |
142 | struct wpa_ssid *ssid, | |
143 | const struct wps_credential *cred) | |
144 | { | |
145 | struct wpa_driver_capa capa; | |
59f2caa9 | 146 | struct wpa_bss *bss; |
7cc1b6c9 JM |
147 | const u8 *ie; |
148 | struct wpa_ie_data adv; | |
149 | int wpa2 = 0, ccmp = 0; | |
150 | ||
151 | /* | |
152 | * Many existing WPS APs do not know how to negotiate WPA2 or CCMP in | |
153 | * case they are configured for mixed mode operation (WPA+WPA2 and | |
154 | * TKIP+CCMP). Try to use scan results to figure out whether the AP | |
155 | * actually supports stronger security and select that if the client | |
156 | * has support for it, too. | |
157 | */ | |
158 | ||
159 | if (wpa_drv_get_capa(wpa_s, &capa)) | |
160 | return; /* Unknown what driver supports */ | |
161 | ||
d87e90b6 JM |
162 | if (ssid->ssid == NULL) |
163 | return; | |
59f2caa9 JM |
164 | bss = wpa_bss_get(wpa_s, cred->mac_addr, ssid->ssid, ssid->ssid_len); |
165 | if (bss == NULL) { | |
166 | wpa_printf(MSG_DEBUG, "WPS: The AP was not found from BSS " | |
167 | "table - use credential as-is"); | |
7cc1b6c9 JM |
168 | return; |
169 | } | |
170 | ||
59f2caa9 JM |
171 | wpa_printf(MSG_DEBUG, "WPS: AP found from BSS table"); |
172 | ||
173 | ie = wpa_bss_get_ie(bss, WLAN_EID_RSN); | |
7cc1b6c9 JM |
174 | if (ie && wpa_parse_wpa_ie(ie, 2 + ie[1], &adv) == 0) { |
175 | wpa2 = 1; | |
176 | if (adv.pairwise_cipher & WPA_CIPHER_CCMP) | |
177 | ccmp = 1; | |
178 | } else { | |
59f2caa9 | 179 | ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE); |
7cc1b6c9 JM |
180 | if (ie && wpa_parse_wpa_ie(ie, 2 + ie[1], &adv) == 0 && |
181 | adv.pairwise_cipher & WPA_CIPHER_CCMP) | |
182 | ccmp = 1; | |
183 | } | |
184 | ||
185 | if (ie == NULL && (ssid->proto & WPA_PROTO_WPA) && | |
186 | (ssid->pairwise_cipher & WPA_CIPHER_TKIP)) { | |
187 | /* | |
188 | * TODO: This could be the initial AP configuration and the | |
189 | * Beacon contents could change shortly. Should request a new | |
190 | * scan and delay addition of the network until the updated | |
191 | * scan results are available. | |
192 | */ | |
193 | wpa_printf(MSG_DEBUG, "WPS: The AP did not yet advertise WPA " | |
194 | "support - use credential as-is"); | |
195 | return; | |
196 | } | |
197 | ||
198 | if (ccmp && !(ssid->pairwise_cipher & WPA_CIPHER_CCMP) && | |
199 | (ssid->pairwise_cipher & WPA_CIPHER_TKIP) && | |
200 | (capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) { | |
201 | wpa_printf(MSG_DEBUG, "WPS: Add CCMP into the credential " | |
202 | "based on scan results"); | |
203 | if (wpa_s->conf->ap_scan == 1) | |
204 | ssid->pairwise_cipher |= WPA_CIPHER_CCMP; | |
205 | else | |
206 | ssid->pairwise_cipher = WPA_CIPHER_CCMP; | |
207 | } | |
208 | ||
209 | if (wpa2 && !(ssid->proto & WPA_PROTO_RSN) && | |
210 | (ssid->proto & WPA_PROTO_WPA) && | |
211 | (capa.enc & WPA_DRIVER_CAPA_ENC_CCMP)) { | |
212 | wpa_printf(MSG_DEBUG, "WPS: Add WPA2 into the credential " | |
213 | "based on scan results"); | |
214 | if (wpa_s->conf->ap_scan == 1) | |
215 | ssid->proto |= WPA_PROTO_RSN; | |
216 | else | |
217 | ssid->proto = WPA_PROTO_RSN; | |
218 | } | |
219 | } | |
220 | ||
221 | ||
bcbbc7af JM |
222 | static int wpa_supplicant_wps_cred(void *ctx, |
223 | const struct wps_credential *cred) | |
fa201b69 JM |
224 | { |
225 | struct wpa_supplicant *wpa_s = ctx; | |
226 | struct wpa_ssid *ssid = wpa_s->current_ssid; | |
522b5b6e | 227 | u8 key_idx = 0; |
49eba5f8 | 228 | u16 auth_type; |
2c4f80d5 | 229 | #ifdef CONFIG_WPS_REG_DISABLE_OPEN |
f981eabc | 230 | int registrar = 0; |
2c4f80d5 | 231 | #endif /* CONFIG_WPS_REG_DISABLE_OPEN */ |
fa201b69 | 232 | |
47662164 JM |
233 | if ((wpa_s->conf->wps_cred_processing == 1 || |
234 | wpa_s->conf->wps_cred_processing == 2) && cred->cred_attr) { | |
235 | size_t blen = cred->cred_attr_len * 2 + 1; | |
236 | char *buf = os_malloc(blen); | |
237 | if (buf) { | |
238 | wpa_snprintf_hex(buf, blen, | |
239 | cred->cred_attr, cred->cred_attr_len); | |
240 | wpa_msg(wpa_s, MSG_INFO, "%s%s", | |
241 | WPS_EVENT_CRED_RECEIVED, buf); | |
242 | os_free(buf); | |
243 | } | |
8bac466b JM |
244 | |
245 | wpas_notify_wps_credential(wpa_s, cred); | |
47662164 JM |
246 | } else |
247 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_CRED_RECEIVED); | |
fa201b69 | 248 | |
eca6e0a9 JM |
249 | wpa_hexdump_key(MSG_DEBUG, "WPS: Received Credential attribute", |
250 | cred->cred_attr, cred->cred_attr_len); | |
251 | ||
47662164 JM |
252 | if (wpa_s->conf->wps_cred_processing == 1) |
253 | return 0; | |
254 | ||
73267b9c JM |
255 | wpa_hexdump_ascii(MSG_DEBUG, "WPS: SSID", cred->ssid, cred->ssid_len); |
256 | wpa_printf(MSG_DEBUG, "WPS: Authentication Type 0x%x", | |
257 | cred->auth_type); | |
258 | wpa_printf(MSG_DEBUG, "WPS: Encryption Type 0x%x", cred->encr_type); | |
259 | wpa_printf(MSG_DEBUG, "WPS: Network Key Index %d", cred->key_idx); | |
260 | wpa_hexdump_key(MSG_DEBUG, "WPS: Network Key", | |
261 | cred->key, cred->key_len); | |
262 | wpa_printf(MSG_DEBUG, "WPS: MAC Address " MACSTR, | |
263 | MAC2STR(cred->mac_addr)); | |
264 | ||
49eba5f8 JM |
265 | auth_type = cred->auth_type; |
266 | if (auth_type == (WPS_AUTH_WPAPSK | WPS_AUTH_WPA2PSK)) { | |
267 | wpa_printf(MSG_DEBUG, "WPS: Workaround - convert mixed-mode " | |
268 | "auth_type into WPA2PSK"); | |
269 | auth_type = WPS_AUTH_WPA2PSK; | |
270 | } | |
271 | ||
272 | if (auth_type != WPS_AUTH_OPEN && | |
273 | auth_type != WPS_AUTH_SHARED && | |
274 | auth_type != WPS_AUTH_WPAPSK && | |
275 | auth_type != WPS_AUTH_WPA2PSK) { | |
f286077d | 276 | wpa_printf(MSG_DEBUG, "WPS: Ignored credentials for " |
49eba5f8 JM |
277 | "unsupported authentication type 0x%x", |
278 | auth_type); | |
f286077d JM |
279 | return 0; |
280 | } | |
281 | ||
b363121a JM |
282 | if (auth_type == WPS_AUTH_WPAPSK || auth_type == WPS_AUTH_WPA2PSK) { |
283 | if (cred->key_len < 8 || cred->key_len > 2 * PMK_LEN) { | |
284 | wpa_printf(MSG_ERROR, "WPS: Reject PSK credential with " | |
285 | "invalid Network Key length %lu", | |
286 | (unsigned long) cred->key_len); | |
287 | return -1; | |
288 | } | |
289 | } | |
290 | ||
fa201b69 JM |
291 | if (ssid && (ssid->key_mgmt & WPA_KEY_MGMT_WPS)) { |
292 | wpa_printf(MSG_DEBUG, "WPS: Replace WPS network block based " | |
293 | "on the received credential"); | |
2c4f80d5 | 294 | #ifdef CONFIG_WPS_REG_DISABLE_OPEN |
f981eabc JM |
295 | if (ssid->eap.identity && |
296 | ssid->eap.identity_len == WSC_ID_REGISTRAR_LEN && | |
297 | os_memcmp(ssid->eap.identity, WSC_ID_REGISTRAR, | |
298 | WSC_ID_REGISTRAR_LEN) == 0) | |
299 | registrar = 1; | |
2c4f80d5 | 300 | #endif /* CONFIG_WPS_REG_DISABLE_OPEN */ |
fa201b69 JM |
301 | os_free(ssid->eap.identity); |
302 | ssid->eap.identity = NULL; | |
303 | ssid->eap.identity_len = 0; | |
304 | os_free(ssid->eap.phase1); | |
305 | ssid->eap.phase1 = NULL; | |
306 | os_free(ssid->eap.eap_methods); | |
307 | ssid->eap.eap_methods = NULL; | |
cae2119c | 308 | if (!ssid->p2p_group) { |
2ff99b3c | 309 | ssid->temporary = 0; |
cae2119c JM |
310 | ssid->bssid_set = 0; |
311 | } | |
00e5e3d5 JM |
312 | ssid->disabled_until.sec = 0; |
313 | ssid->disabled_until.usec = 0; | |
314 | ssid->auth_failures = 0; | |
fa201b69 JM |
315 | } else { |
316 | wpa_printf(MSG_DEBUG, "WPS: Create a new network based on the " | |
317 | "received credential"); | |
318 | ssid = wpa_config_add_network(wpa_s->conf); | |
319 | if (ssid == NULL) | |
320 | return -1; | |
8bac466b | 321 | wpas_notify_network_added(wpa_s, ssid); |
fa201b69 JM |
322 | } |
323 | ||
324 | wpa_config_set_network_defaults(ssid); | |
325 | ||
326 | os_free(ssid->ssid); | |
327 | ssid->ssid = os_malloc(cred->ssid_len); | |
328 | if (ssid->ssid) { | |
329 | os_memcpy(ssid->ssid, cred->ssid, cred->ssid_len); | |
330 | ssid->ssid_len = cred->ssid_len; | |
331 | } | |
332 | ||
333 | switch (cred->encr_type) { | |
334 | case WPS_ENCR_NONE: | |
fa201b69 JM |
335 | break; |
336 | case WPS_ENCR_WEP: | |
4b195a1b AT |
337 | if (cred->key_len <= 0) |
338 | break; | |
339 | if (cred->key_len != 5 && cred->key_len != 13 && | |
340 | cred->key_len != 10 && cred->key_len != 26) { | |
341 | wpa_printf(MSG_ERROR, "WPS: Invalid WEP Key length " | |
342 | "%lu", (unsigned long) cred->key_len); | |
343 | return -1; | |
344 | } | |
522b5b6e | 345 | if (cred->key_idx > NUM_WEP_KEYS) { |
4b195a1b AT |
346 | wpa_printf(MSG_ERROR, "WPS: Invalid WEP Key index %d", |
347 | cred->key_idx); | |
348 | return -1; | |
349 | } | |
522b5b6e AT |
350 | if (cred->key_idx) |
351 | key_idx = cred->key_idx - 1; | |
4b195a1b AT |
352 | if (cred->key_len == 10 || cred->key_len == 26) { |
353 | if (hexstr2bin((char *) cred->key, | |
354 | ssid->wep_key[key_idx], | |
355 | cred->key_len / 2) < 0) { | |
356 | wpa_printf(MSG_ERROR, "WPS: Invalid WEP Key " | |
357 | "%d", key_idx); | |
358 | return -1; | |
359 | } | |
360 | ssid->wep_key_len[key_idx] = cred->key_len / 2; | |
361 | } else { | |
362 | os_memcpy(ssid->wep_key[key_idx], cred->key, | |
fa201b69 | 363 | cred->key_len); |
4b195a1b | 364 | ssid->wep_key_len[key_idx] = cred->key_len; |
fa201b69 | 365 | } |
4b195a1b | 366 | ssid->wep_tx_keyidx = key_idx; |
fa201b69 JM |
367 | break; |
368 | case WPS_ENCR_TKIP: | |
369 | ssid->pairwise_cipher = WPA_CIPHER_TKIP; | |
fa201b69 JM |
370 | break; |
371 | case WPS_ENCR_AES: | |
372 | ssid->pairwise_cipher = WPA_CIPHER_CCMP; | |
fa201b69 JM |
373 | break; |
374 | } | |
375 | ||
49eba5f8 | 376 | switch (auth_type) { |
fa201b69 JM |
377 | case WPS_AUTH_OPEN: |
378 | ssid->auth_alg = WPA_AUTH_ALG_OPEN; | |
379 | ssid->key_mgmt = WPA_KEY_MGMT_NONE; | |
380 | ssid->proto = 0; | |
f981eabc JM |
381 | #ifdef CONFIG_WPS_REG_DISABLE_OPEN |
382 | if (registrar) { | |
383 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_OPEN_NETWORK | |
384 | "id=%d - Credentials for an open " | |
385 | "network disabled by default - use " | |
386 | "'select_network %d' to enable", | |
387 | ssid->id, ssid->id); | |
388 | ssid->disabled = 1; | |
389 | } | |
390 | #endif /* CONFIG_WPS_REG_DISABLE_OPEN */ | |
fa201b69 JM |
391 | break; |
392 | case WPS_AUTH_SHARED: | |
393 | ssid->auth_alg = WPA_AUTH_ALG_SHARED; | |
394 | ssid->key_mgmt = WPA_KEY_MGMT_NONE; | |
395 | ssid->proto = 0; | |
396 | break; | |
397 | case WPS_AUTH_WPAPSK: | |
398 | ssid->auth_alg = WPA_AUTH_ALG_OPEN; | |
399 | ssid->key_mgmt = WPA_KEY_MGMT_PSK; | |
400 | ssid->proto = WPA_PROTO_WPA; | |
401 | break; | |
fa201b69 JM |
402 | case WPS_AUTH_WPA2PSK: |
403 | ssid->auth_alg = WPA_AUTH_ALG_OPEN; | |
404 | ssid->key_mgmt = WPA_KEY_MGMT_PSK; | |
405 | ssid->proto = WPA_PROTO_RSN; | |
406 | break; | |
407 | } | |
408 | ||
409 | if (ssid->key_mgmt == WPA_KEY_MGMT_PSK) { | |
410 | if (cred->key_len == 2 * PMK_LEN) { | |
411 | if (hexstr2bin((const char *) cred->key, ssid->psk, | |
412 | PMK_LEN)) { | |
413 | wpa_printf(MSG_ERROR, "WPS: Invalid Network " | |
414 | "Key"); | |
415 | return -1; | |
416 | } | |
417 | ssid->psk_set = 1; | |
d1c8ac88 | 418 | ssid->export_keys = 1; |
fa201b69 JM |
419 | } else if (cred->key_len >= 8 && cred->key_len < 2 * PMK_LEN) { |
420 | os_free(ssid->passphrase); | |
421 | ssid->passphrase = os_malloc(cred->key_len + 1); | |
422 | if (ssid->passphrase == NULL) | |
423 | return -1; | |
424 | os_memcpy(ssid->passphrase, cred->key, cred->key_len); | |
425 | ssid->passphrase[cred->key_len] = '\0'; | |
426 | wpa_config_update_psk(ssid); | |
d1c8ac88 | 427 | ssid->export_keys = 1; |
fa201b69 JM |
428 | } else { |
429 | wpa_printf(MSG_ERROR, "WPS: Invalid Network Key " | |
430 | "length %lu", | |
431 | (unsigned long) cred->key_len); | |
432 | return -1; | |
433 | } | |
434 | } | |
435 | ||
7cc1b6c9 JM |
436 | wpas_wps_security_workaround(wpa_s, ssid, cred); |
437 | ||
bd3a3737 JM |
438 | if (cred->ap_channel) |
439 | wpa_s->wps_ap_channel = cred->ap_channel; | |
440 | ||
fa201b69 JM |
441 | #ifndef CONFIG_NO_CONFIG_WRITE |
442 | if (wpa_s->conf->update_config && | |
443 | wpa_config_write(wpa_s->confname, wpa_s->conf)) { | |
444 | wpa_printf(MSG_DEBUG, "WPS: Failed to update configuration"); | |
445 | return -1; | |
446 | } | |
447 | #endif /* CONFIG_NO_CONFIG_WRITE */ | |
448 | ||
6fbcbc07 SD |
449 | /* |
450 | * Optimize the post-WPS scan based on the channel used during | |
451 | * the provisioning in case EAP-Failure is not received. | |
452 | */ | |
453 | wpa_s->after_wps = 5; | |
454 | wpa_s->wps_freq = wpa_s->assoc_freq; | |
455 | ||
fa201b69 JM |
456 | return 0; |
457 | } | |
458 | ||
459 | ||
b89883a4 JM |
460 | #ifdef CONFIG_P2P |
461 | static void wpas_wps_pbc_overlap_cb(void *eloop_ctx, void *timeout_ctx) | |
462 | { | |
463 | struct wpa_supplicant *wpa_s = eloop_ctx; | |
464 | wpas_p2p_notif_pbc_overlap(wpa_s); | |
465 | } | |
466 | #endif /* CONFIG_P2P */ | |
467 | ||
468 | ||
4b68290e JM |
469 | static void wpa_supplicant_wps_event_m2d(struct wpa_supplicant *wpa_s, |
470 | struct wps_event_m2d *m2d) | |
471 | { | |
472 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_M2D | |
473 | "dev_password_id=%d config_error=%d", | |
474 | m2d->dev_password_id, m2d->config_error); | |
8bac466b | 475 | wpas_notify_wps_event_m2d(wpa_s, m2d); |
b89883a4 JM |
476 | #ifdef CONFIG_P2P |
477 | if (wpa_s->parent && wpa_s->parent != wpa_s) { | |
478 | wpa_msg(wpa_s->parent, MSG_INFO, WPS_EVENT_M2D | |
479 | "dev_password_id=%d config_error=%d", | |
480 | m2d->dev_password_id, m2d->config_error); | |
481 | } | |
482 | if (m2d->config_error == WPS_CFG_MULTIPLE_PBC_DETECTED) { | |
483 | /* | |
484 | * Notify P2P from eloop timeout to avoid issues with the | |
485 | * interface getting removed while processing a message. | |
486 | */ | |
487 | eloop_register_timeout(0, 0, wpas_wps_pbc_overlap_cb, wpa_s, | |
488 | NULL); | |
489 | } | |
490 | #endif /* CONFIG_P2P */ | |
4b68290e JM |
491 | } |
492 | ||
493 | ||
c5cf0a18 CWY |
494 | static const char * wps_event_fail_reason[NUM_WPS_EI_VALUES] = { |
495 | "No Error", /* WPS_EI_NO_ERROR */ | |
496 | "TKIP Only Prohibited", /* WPS_EI_SECURITY_TKIP_ONLY_PROHIBITED */ | |
497 | "WEP Prohibited" /* WPS_EI_SECURITY_WEP_PROHIBITED */ | |
498 | }; | |
499 | ||
469fc3a4 JM |
500 | static void wpa_supplicant_wps_event_fail(struct wpa_supplicant *wpa_s, |
501 | struct wps_event_fail *fail) | |
502 | { | |
c5cf0a18 CWY |
503 | if (fail->error_indication > 0 && |
504 | fail->error_indication < NUM_WPS_EI_VALUES) { | |
505 | wpa_msg(wpa_s, MSG_INFO, | |
506 | WPS_EVENT_FAIL "msg=%d config_error=%d reason=%d (%s)", | |
507 | fail->msg, fail->config_error, fail->error_indication, | |
508 | wps_event_fail_reason[fail->error_indication]); | |
509 | if (wpa_s->parent && wpa_s->parent != wpa_s) | |
510 | wpa_msg(wpa_s->parent, MSG_INFO, WPS_EVENT_FAIL | |
511 | "msg=%d config_error=%d reason=%d (%s)", | |
512 | fail->msg, fail->config_error, | |
513 | fail->error_indication, | |
514 | wps_event_fail_reason[fail->error_indication]); | |
515 | } else { | |
516 | wpa_msg(wpa_s, MSG_INFO, | |
517 | WPS_EVENT_FAIL "msg=%d config_error=%d", | |
545cc6af | 518 | fail->msg, fail->config_error); |
c5cf0a18 CWY |
519 | if (wpa_s->parent && wpa_s->parent != wpa_s) |
520 | wpa_msg(wpa_s->parent, MSG_INFO, WPS_EVENT_FAIL | |
521 | "msg=%d config_error=%d", | |
522 | fail->msg, fail->config_error); | |
523 | } | |
469fc3a4 | 524 | wpas_clear_wps(wpa_s); |
8bac466b | 525 | wpas_notify_wps_event_fail(wpa_s, fail); |
3734552f JS |
526 | #ifdef CONFIG_P2P |
527 | wpas_p2p_wps_failed(wpa_s, fail); | |
528 | #endif /* CONFIG_P2P */ | |
469fc3a4 JM |
529 | } |
530 | ||
531 | ||
ec947ffc SD |
532 | static void wpas_wps_reenable_networks_cb(void *eloop_ctx, void *timeout_ctx); |
533 | ||
534 | static void wpas_wps_reenable_networks(struct wpa_supplicant *wpa_s) | |
535 | { | |
536 | struct wpa_ssid *ssid; | |
318e772a | 537 | int changed = 0; |
ec947ffc SD |
538 | |
539 | eloop_cancel_timeout(wpas_wps_reenable_networks_cb, wpa_s, NULL); | |
540 | ||
541 | for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) { | |
542 | if (ssid->disabled_for_connect && ssid->disabled) { | |
543 | ssid->disabled_for_connect = 0; | |
544 | ssid->disabled = 0; | |
545 | wpas_notify_network_enabled_changed(wpa_s, ssid); | |
318e772a | 546 | changed++; |
ec947ffc SD |
547 | } |
548 | } | |
318e772a JM |
549 | |
550 | if (changed) { | |
551 | #ifndef CONFIG_NO_CONFIG_WRITE | |
552 | if (wpa_s->conf->update_config && | |
553 | wpa_config_write(wpa_s->confname, wpa_s->conf)) { | |
554 | wpa_printf(MSG_DEBUG, "WPS: Failed to update " | |
555 | "configuration"); | |
556 | } | |
557 | #endif /* CONFIG_NO_CONFIG_WRITE */ | |
558 | } | |
ec947ffc SD |
559 | } |
560 | ||
561 | ||
562 | static void wpas_wps_reenable_networks_cb(void *eloop_ctx, void *timeout_ctx) | |
563 | { | |
564 | struct wpa_supplicant *wpa_s = eloop_ctx; | |
565 | /* Enable the networks disabled during wpas_wps_reassoc */ | |
566 | wpas_wps_reenable_networks(wpa_s); | |
567 | } | |
568 | ||
569 | ||
ad5302a1 JM |
570 | static void wpa_supplicant_wps_event_success(struct wpa_supplicant *wpa_s) |
571 | { | |
572 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_SUCCESS); | |
a6099152 | 573 | wpa_s->wps_success = 1; |
8bac466b | 574 | wpas_notify_wps_event_success(wpa_s); |
ec947ffc SD |
575 | |
576 | /* | |
577 | * Enable the networks disabled during wpas_wps_reassoc after 10 | |
578 | * seconds. The 10 seconds timer is to allow the data connection to be | |
579 | * formed before allowing other networks to be selected. | |
580 | */ | |
581 | eloop_register_timeout(10, 0, wpas_wps_reenable_networks_cb, wpa_s, | |
582 | NULL); | |
583 | ||
b22128ef JM |
584 | #ifdef CONFIG_P2P |
585 | wpas_p2p_wps_success(wpa_s, wpa_s->bssid, 0); | |
586 | #endif /* CONFIG_P2P */ | |
ad5302a1 JM |
587 | } |
588 | ||
589 | ||
b78bc3a3 JM |
590 | static void wpa_supplicant_wps_event_er_ap_add(struct wpa_supplicant *wpa_s, |
591 | struct wps_event_er_ap *ap) | |
592 | { | |
593 | char uuid_str[100]; | |
ed45947e | 594 | char dev_type[WPS_DEV_TYPE_BUFSIZE]; |
e694b344 | 595 | |
b78bc3a3 | 596 | uuid_bin2str(ap->uuid, uuid_str, sizeof(uuid_str)); |
e694b344 | 597 | if (ap->pri_dev_type) |
ed45947e JM |
598 | wps_dev_type_bin2str(ap->pri_dev_type, dev_type, |
599 | sizeof(dev_type)); | |
e694b344 JM |
600 | else |
601 | dev_type[0] = '\0'; | |
602 | ||
603 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_AP_ADD "%s " MACSTR | |
604 | " pri_dev_type=%s wps_state=%d |%s|%s|%s|%s|%s|%s|", | |
605 | uuid_str, MAC2STR(ap->mac_addr), dev_type, ap->wps_state, | |
b78bc3a3 JM |
606 | ap->friendly_name ? ap->friendly_name : "", |
607 | ap->manufacturer ? ap->manufacturer : "", | |
608 | ap->model_description ? ap->model_description : "", | |
609 | ap->model_name ? ap->model_name : "", | |
610 | ap->manufacturer_url ? ap->manufacturer_url : "", | |
611 | ap->model_url ? ap->model_url : ""); | |
612 | } | |
613 | ||
614 | ||
615 | static void wpa_supplicant_wps_event_er_ap_remove(struct wpa_supplicant *wpa_s, | |
616 | struct wps_event_er_ap *ap) | |
617 | { | |
618 | char uuid_str[100]; | |
619 | uuid_bin2str(ap->uuid, uuid_str, sizeof(uuid_str)); | |
620 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_AP_REMOVE "%s", uuid_str); | |
621 | } | |
622 | ||
623 | ||
624 | static void wpa_supplicant_wps_event_er_enrollee_add( | |
625 | struct wpa_supplicant *wpa_s, struct wps_event_er_enrollee *enrollee) | |
626 | { | |
627 | char uuid_str[100]; | |
ed45947e | 628 | char dev_type[WPS_DEV_TYPE_BUFSIZE]; |
b78bc3a3 JM |
629 | |
630 | uuid_bin2str(enrollee->uuid, uuid_str, sizeof(uuid_str)); | |
631 | if (enrollee->pri_dev_type) | |
ed45947e JM |
632 | wps_dev_type_bin2str(enrollee->pri_dev_type, dev_type, |
633 | sizeof(dev_type)); | |
b78bc3a3 JM |
634 | else |
635 | dev_type[0] = '\0'; | |
636 | ||
637 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_ENROLLEE_ADD "%s " MACSTR | |
638 | " M1=%d config_methods=0x%x dev_passwd_id=%d pri_dev_type=%s " | |
639 | "|%s|%s|%s|%s|%s|", | |
640 | uuid_str, MAC2STR(enrollee->mac_addr), enrollee->m1_received, | |
641 | enrollee->config_methods, enrollee->dev_passwd_id, dev_type, | |
642 | enrollee->dev_name ? enrollee->dev_name : "", | |
643 | enrollee->manufacturer ? enrollee->manufacturer : "", | |
644 | enrollee->model_name ? enrollee->model_name : "", | |
645 | enrollee->model_number ? enrollee->model_number : "", | |
646 | enrollee->serial_number ? enrollee->serial_number : ""); | |
647 | } | |
648 | ||
649 | ||
650 | static void wpa_supplicant_wps_event_er_enrollee_remove( | |
651 | struct wpa_supplicant *wpa_s, struct wps_event_er_enrollee *enrollee) | |
652 | { | |
653 | char uuid_str[100]; | |
654 | uuid_bin2str(enrollee->uuid, uuid_str, sizeof(uuid_str)); | |
655 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_ENROLLEE_REMOVE "%s " MACSTR, | |
656 | uuid_str, MAC2STR(enrollee->mac_addr)); | |
657 | } | |
658 | ||
659 | ||
15dbf129 JM |
660 | static void wpa_supplicant_wps_event_er_ap_settings( |
661 | struct wpa_supplicant *wpa_s, | |
662 | struct wps_event_er_ap_settings *ap_settings) | |
663 | { | |
664 | char uuid_str[100]; | |
665 | char key_str[65]; | |
666 | const struct wps_credential *cred = ap_settings->cred; | |
667 | ||
668 | key_str[0] = '\0'; | |
669 | if (cred->auth_type & (WPS_AUTH_WPAPSK | WPS_AUTH_WPA2PSK)) { | |
670 | if (cred->key_len >= 8 && cred->key_len <= 64) { | |
671 | os_memcpy(key_str, cred->key, cred->key_len); | |
672 | key_str[cred->key_len] = '\0'; | |
673 | } | |
674 | } | |
675 | ||
676 | uuid_bin2str(ap_settings->uuid, uuid_str, sizeof(uuid_str)); | |
677 | /* Use wpa_msg_ctrl to avoid showing the key in debug log */ | |
678 | wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_ER_AP_SETTINGS | |
679 | "uuid=%s ssid=%s auth_type=0x%04x encr_type=0x%04x " | |
680 | "key=%s", | |
681 | uuid_str, wpa_ssid_txt(cred->ssid, cred->ssid_len), | |
682 | cred->auth_type, cred->encr_type, key_str); | |
683 | } | |
684 | ||
685 | ||
3e7533b3 JM |
686 | static void wpa_supplicant_wps_event_er_set_sel_reg( |
687 | struct wpa_supplicant *wpa_s, | |
688 | struct wps_event_er_set_selected_registrar *ev) | |
689 | { | |
690 | char uuid_str[100]; | |
691 | ||
692 | uuid_bin2str(ev->uuid, uuid_str, sizeof(uuid_str)); | |
693 | switch (ev->state) { | |
694 | case WPS_ER_SET_SEL_REG_START: | |
695 | wpa_msg(wpa_s, MSG_DEBUG, WPS_EVENT_ER_SET_SEL_REG | |
696 | "uuid=%s state=START sel_reg=%d dev_passwd_id=%u " | |
697 | "sel_reg_config_methods=0x%x", | |
698 | uuid_str, ev->sel_reg, ev->dev_passwd_id, | |
699 | ev->sel_reg_config_methods); | |
700 | break; | |
701 | case WPS_ER_SET_SEL_REG_DONE: | |
702 | wpa_msg(wpa_s, MSG_DEBUG, WPS_EVENT_ER_SET_SEL_REG | |
703 | "uuid=%s state=DONE", uuid_str); | |
704 | break; | |
705 | case WPS_ER_SET_SEL_REG_FAILED: | |
706 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_SET_SEL_REG | |
707 | "uuid=%s state=FAILED", uuid_str); | |
708 | break; | |
709 | } | |
710 | } | |
711 | ||
712 | ||
4b68290e JM |
713 | static void wpa_supplicant_wps_event(void *ctx, enum wps_event event, |
714 | union wps_event_data *data) | |
715 | { | |
716 | struct wpa_supplicant *wpa_s = ctx; | |
717 | switch (event) { | |
718 | case WPS_EV_M2D: | |
719 | wpa_supplicant_wps_event_m2d(wpa_s, &data->m2d); | |
720 | break; | |
469fc3a4 JM |
721 | case WPS_EV_FAIL: |
722 | wpa_supplicant_wps_event_fail(wpa_s, &data->fail); | |
723 | break; | |
ad5302a1 JM |
724 | case WPS_EV_SUCCESS: |
725 | wpa_supplicant_wps_event_success(wpa_s); | |
726 | break; | |
3b2cf800 | 727 | case WPS_EV_PWD_AUTH_FAIL: |
70d84f11 JM |
728 | #ifdef CONFIG_AP |
729 | if (wpa_s->ap_iface && data->pwd_auth_fail.enrollee) | |
730 | wpa_supplicant_ap_pwd_auth_fail(wpa_s); | |
731 | #endif /* CONFIG_AP */ | |
3b2cf800 | 732 | break; |
63330c68 OK |
733 | case WPS_EV_PBC_OVERLAP: |
734 | break; | |
735 | case WPS_EV_PBC_TIMEOUT: | |
736 | break; | |
b78bc3a3 JM |
737 | case WPS_EV_ER_AP_ADD: |
738 | wpa_supplicant_wps_event_er_ap_add(wpa_s, &data->ap); | |
739 | break; | |
740 | case WPS_EV_ER_AP_REMOVE: | |
741 | wpa_supplicant_wps_event_er_ap_remove(wpa_s, &data->ap); | |
742 | break; | |
743 | case WPS_EV_ER_ENROLLEE_ADD: | |
744 | wpa_supplicant_wps_event_er_enrollee_add(wpa_s, | |
745 | &data->enrollee); | |
746 | break; | |
747 | case WPS_EV_ER_ENROLLEE_REMOVE: | |
748 | wpa_supplicant_wps_event_er_enrollee_remove(wpa_s, | |
749 | &data->enrollee); | |
750 | break; | |
15dbf129 JM |
751 | case WPS_EV_ER_AP_SETTINGS: |
752 | wpa_supplicant_wps_event_er_ap_settings(wpa_s, | |
753 | &data->ap_settings); | |
754 | break; | |
3e7533b3 JM |
755 | case WPS_EV_ER_SET_SELECTED_REGISTRAR: |
756 | wpa_supplicant_wps_event_er_set_sel_reg(wpa_s, | |
757 | &data->set_sel_reg); | |
758 | break; | |
32cdcf15 JM |
759 | case WPS_EV_AP_PIN_SUCCESS: |
760 | break; | |
4b68290e JM |
761 | } |
762 | } | |
763 | ||
764 | ||
f90c86d4 | 765 | enum wps_request_type wpas_wps_get_req_type(struct wpa_ssid *ssid) |
fa201b69 | 766 | { |
b01c18a8 JM |
767 | if (eap_is_wps_pbc_enrollee(&ssid->eap) || |
768 | eap_is_wps_pin_enrollee(&ssid->eap)) | |
769 | return WPS_REQ_ENROLLEE; | |
770 | else | |
771 | return WPS_REQ_REGISTRAR; | |
fa201b69 | 772 | } |
116654ce JM |
773 | |
774 | ||
fcc60db4 JM |
775 | static void wpas_clear_wps(struct wpa_supplicant *wpa_s) |
776 | { | |
777 | int id; | |
20a0b03d JM |
778 | struct wpa_ssid *ssid, *remove_ssid = NULL, *prev_current; |
779 | ||
780 | prev_current = wpa_s->current_ssid; | |
fcc60db4 | 781 | |
ec947ffc SD |
782 | /* Enable the networks disabled during wpas_wps_reassoc */ |
783 | wpas_wps_reenable_networks(wpa_s); | |
784 | ||
fcc60db4 JM |
785 | eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL); |
786 | ||
787 | /* Remove any existing WPS network from configuration */ | |
788 | ssid = wpa_s->conf->ssid; | |
789 | while (ssid) { | |
f0477201 | 790 | if (ssid->key_mgmt & WPA_KEY_MGMT_WPS) { |
8bac466b | 791 | if (ssid == wpa_s->current_ssid) { |
f0477201 | 792 | wpa_s->current_ssid = NULL; |
8bac466b JM |
793 | if (ssid != NULL) |
794 | wpas_notify_network_changed(wpa_s); | |
795 | } | |
fcc60db4 | 796 | id = ssid->id; |
8bac466b | 797 | remove_ssid = ssid; |
f0477201 | 798 | } else |
fcc60db4 JM |
799 | id = -1; |
800 | ssid = ssid->next; | |
8bac466b | 801 | if (id >= 0) { |
20a0b03d JM |
802 | if (prev_current == remove_ssid) { |
803 | wpa_sm_set_config(wpa_s->wpa, NULL); | |
804 | eapol_sm_notify_config(wpa_s->eapol, NULL, | |
805 | NULL); | |
806 | } | |
8bac466b | 807 | wpas_notify_network_removed(wpa_s, remove_ssid); |
fcc60db4 | 808 | wpa_config_remove_network(wpa_s->conf, id); |
8bac466b | 809 | } |
fcc60db4 | 810 | } |
f9f0526b JM |
811 | |
812 | wpas_wps_clear_ap_info(wpa_s); | |
fcc60db4 JM |
813 | } |
814 | ||
815 | ||
816 | static void wpas_wps_timeout(void *eloop_ctx, void *timeout_ctx) | |
817 | { | |
818 | struct wpa_supplicant *wpa_s = eloop_ctx; | |
014732ea AC |
819 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_TIMEOUT "Requested operation timed " |
820 | "out"); | |
fcc60db4 JM |
821 | wpas_clear_wps(wpa_s); |
822 | } | |
823 | ||
824 | ||
825 | static struct wpa_ssid * wpas_wps_add_network(struct wpa_supplicant *wpa_s, | |
826 | int registrar, const u8 *bssid) | |
827 | { | |
828 | struct wpa_ssid *ssid; | |
829 | ||
830 | ssid = wpa_config_add_network(wpa_s->conf); | |
831 | if (ssid == NULL) | |
832 | return NULL; | |
8bac466b | 833 | wpas_notify_network_added(wpa_s, ssid); |
fcc60db4 | 834 | wpa_config_set_network_defaults(ssid); |
2ff99b3c | 835 | ssid->temporary = 1; |
fcc60db4 JM |
836 | if (wpa_config_set(ssid, "key_mgmt", "WPS", 0) < 0 || |
837 | wpa_config_set(ssid, "eap", "WSC", 0) < 0 || | |
838 | wpa_config_set(ssid, "identity", registrar ? | |
839 | "\"" WSC_ID_REGISTRAR "\"" : | |
840 | "\"" WSC_ID_ENROLLEE "\"", 0) < 0) { | |
8bac466b | 841 | wpas_notify_network_removed(wpa_s, ssid); |
fcc60db4 JM |
842 | wpa_config_remove_network(wpa_s->conf, ssid->id); |
843 | return NULL; | |
844 | } | |
845 | ||
846 | if (bssid) { | |
b2c5a4a3 | 847 | #ifndef CONFIG_P2P |
59f2caa9 | 848 | struct wpa_bss *bss; |
f7e54365 | 849 | int count = 0; |
b2c5a4a3 | 850 | #endif /* CONFIG_P2P */ |
fcc60db4 JM |
851 | |
852 | os_memcpy(ssid->bssid, bssid, ETH_ALEN); | |
24c23d1b | 853 | ssid->bssid_set = 1; |
fcc60db4 | 854 | |
b2c5a4a3 JM |
855 | /* |
856 | * Note: With P2P, the SSID may change at the time the WPS | |
857 | * provisioning is started, so better not filter the AP based | |
858 | * on the current SSID in the scan results. | |
859 | */ | |
860 | #ifndef CONFIG_P2P | |
59f2caa9 JM |
861 | dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) { |
862 | if (os_memcmp(bssid, bss->bssid, ETH_ALEN) != 0) | |
fcc60db4 JM |
863 | continue; |
864 | ||
fcc60db4 | 865 | os_free(ssid->ssid); |
59f2caa9 | 866 | ssid->ssid = os_malloc(bss->ssid_len); |
fcc60db4 JM |
867 | if (ssid->ssid == NULL) |
868 | break; | |
59f2caa9 JM |
869 | os_memcpy(ssid->ssid, bss->ssid, bss->ssid_len); |
870 | ssid->ssid_len = bss->ssid_len; | |
f7e54365 JM |
871 | wpa_hexdump_ascii(MSG_DEBUG, "WPS: Picked SSID from " |
872 | "scan results", | |
873 | ssid->ssid, ssid->ssid_len); | |
874 | count++; | |
875 | } | |
876 | ||
877 | if (count > 1) { | |
878 | wpa_printf(MSG_DEBUG, "WPS: More than one SSID found " | |
879 | "for the AP; use wildcard"); | |
880 | os_free(ssid->ssid); | |
881 | ssid->ssid = NULL; | |
882 | ssid->ssid_len = 0; | |
fcc60db4 | 883 | } |
b2c5a4a3 | 884 | #endif /* CONFIG_P2P */ |
fcc60db4 JM |
885 | } |
886 | ||
887 | return ssid; | |
888 | } | |
889 | ||
890 | ||
891 | static void wpas_wps_reassoc(struct wpa_supplicant *wpa_s, | |
1e7fb4f1 | 892 | struct wpa_ssid *selected, const u8 *bssid) |
fcc60db4 JM |
893 | { |
894 | struct wpa_ssid *ssid; | |
1e7fb4f1 JM |
895 | struct wpa_bss *bss; |
896 | ||
9599ccc2 | 897 | wpa_s->after_wps = 0; |
1e7fb4f1 JM |
898 | wpa_s->known_wps_freq = 0; |
899 | if (bssid) { | |
702621e6 | 900 | bss = wpa_bss_get_bssid_latest(wpa_s, bssid); |
1e7fb4f1 JM |
901 | if (bss && bss->freq > 0) { |
902 | wpa_s->known_wps_freq = 1; | |
903 | wpa_s->wps_freq = bss->freq; | |
904 | } | |
905 | } | |
fcc60db4 | 906 | |
d9d87c33 JM |
907 | if (wpa_s->current_ssid) |
908 | wpa_supplicant_deauthenticate( | |
909 | wpa_s, WLAN_REASON_DEAUTH_LEAVING); | |
910 | ||
fcc60db4 JM |
911 | /* Mark all other networks disabled and trigger reassociation */ |
912 | ssid = wpa_s->conf->ssid; | |
913 | while (ssid) { | |
8bac466b | 914 | int was_disabled = ssid->disabled; |
ec947ffc | 915 | ssid->disabled_for_connect = 0; |
c2762e41 JS |
916 | /* |
917 | * In case the network object corresponds to a persistent group | |
918 | * then do not send out network disabled signal. In addition, | |
919 | * do not change disabled status of persistent network objects | |
920 | * from 2 to 1 should we connect to another network. | |
921 | */ | |
922 | if (was_disabled != 2) { | |
923 | ssid->disabled = ssid != selected; | |
ec947ffc SD |
924 | if (was_disabled != ssid->disabled) { |
925 | if (ssid->disabled) | |
926 | ssid->disabled_for_connect = 1; | |
c2762e41 JS |
927 | wpas_notify_network_enabled_changed(wpa_s, |
928 | ssid); | |
ec947ffc | 929 | } |
c2762e41 | 930 | } |
fcc60db4 JM |
931 | ssid = ssid->next; |
932 | } | |
933 | wpa_s->disconnected = 0; | |
934 | wpa_s->reassociate = 1; | |
a6099152 | 935 | wpa_s->scan_runs = 0; |
0b7a25c0 | 936 | wpa_s->normal_scans = 0; |
a6099152 JM |
937 | wpa_s->wps_success = 0; |
938 | wpa_s->blacklist_cleared = 0; | |
fcc60db4 JM |
939 | wpa_supplicant_req_scan(wpa_s, 0, 0); |
940 | } | |
941 | ||
942 | ||
9fa243b2 JM |
943 | int wpas_wps_start_pbc(struct wpa_supplicant *wpa_s, const u8 *bssid, |
944 | int p2p_group) | |
fcc60db4 JM |
945 | { |
946 | struct wpa_ssid *ssid; | |
947 | wpas_clear_wps(wpa_s); | |
948 | ssid = wpas_wps_add_network(wpa_s, 0, bssid); | |
949 | if (ssid == NULL) | |
950 | return -1; | |
9fa243b2 JM |
951 | ssid->temporary = 1; |
952 | ssid->p2p_group = p2p_group; | |
812bf56a | 953 | #ifdef CONFIG_P2P |
e9a7ae41 JM |
954 | if (p2p_group && wpa_s->go_params && wpa_s->go_params->ssid_len) { |
955 | ssid->ssid = os_zalloc(wpa_s->go_params->ssid_len + 1); | |
956 | if (ssid->ssid) { | |
957 | ssid->ssid_len = wpa_s->go_params->ssid_len; | |
958 | os_memcpy(ssid->ssid, wpa_s->go_params->ssid, | |
959 | ssid->ssid_len); | |
960 | wpa_hexdump_ascii(MSG_DEBUG, "WPS: Use specific AP " | |
961 | "SSID", ssid->ssid, ssid->ssid_len); | |
962 | } | |
963 | } | |
812bf56a | 964 | #endif /* CONFIG_P2P */ |
9c75e9fb JM |
965 | if (wpa_config_set(ssid, "phase1", "\"pbc=1\"", 0) < 0) |
966 | return -1; | |
42f50264 JM |
967 | if (wpa_s->wps_fragment_size) |
968 | ssid->eap.fragment_size = wpa_s->wps_fragment_size; | |
fcc60db4 JM |
969 | eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout, |
970 | wpa_s, NULL); | |
1e7fb4f1 | 971 | wpas_wps_reassoc(wpa_s, ssid, bssid); |
fcc60db4 JM |
972 | return 0; |
973 | } | |
974 | ||
975 | ||
976 | int wpas_wps_start_pin(struct wpa_supplicant *wpa_s, const u8 *bssid, | |
3c5126a4 | 977 | const char *pin, int p2p_group, u16 dev_pw_id) |
fcc60db4 JM |
978 | { |
979 | struct wpa_ssid *ssid; | |
46bdb83a | 980 | char val[128]; |
fcc60db4 JM |
981 | unsigned int rpin = 0; |
982 | ||
983 | wpas_clear_wps(wpa_s); | |
984 | ssid = wpas_wps_add_network(wpa_s, 0, bssid); | |
985 | if (ssid == NULL) | |
986 | return -1; | |
9fa243b2 JM |
987 | ssid->temporary = 1; |
988 | ssid->p2p_group = p2p_group; | |
812bf56a | 989 | #ifdef CONFIG_P2P |
e9a7ae41 JM |
990 | if (p2p_group && wpa_s->go_params && wpa_s->go_params->ssid_len) { |
991 | ssid->ssid = os_zalloc(wpa_s->go_params->ssid_len + 1); | |
992 | if (ssid->ssid) { | |
993 | ssid->ssid_len = wpa_s->go_params->ssid_len; | |
994 | os_memcpy(ssid->ssid, wpa_s->go_params->ssid, | |
995 | ssid->ssid_len); | |
996 | wpa_hexdump_ascii(MSG_DEBUG, "WPS: Use specific AP " | |
997 | "SSID", ssid->ssid, ssid->ssid_len); | |
998 | } | |
999 | } | |
812bf56a | 1000 | #endif /* CONFIG_P2P */ |
fcc60db4 | 1001 | if (pin) |
3c5126a4 JM |
1002 | os_snprintf(val, sizeof(val), "\"pin=%s dev_pw_id=%u\"", |
1003 | pin, dev_pw_id); | |
fcc60db4 JM |
1004 | else { |
1005 | rpin = wps_generate_pin(); | |
3c5126a4 JM |
1006 | os_snprintf(val, sizeof(val), "\"pin=%08d dev_pw_id=%u\"", |
1007 | rpin, dev_pw_id); | |
fcc60db4 | 1008 | } |
9c75e9fb JM |
1009 | if (wpa_config_set(ssid, "phase1", val, 0) < 0) |
1010 | return -1; | |
42f50264 JM |
1011 | if (wpa_s->wps_fragment_size) |
1012 | ssid->eap.fragment_size = wpa_s->wps_fragment_size; | |
fcc60db4 JM |
1013 | eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout, |
1014 | wpa_s, NULL); | |
f9f0526b | 1015 | wpa_s->wps_ap_iter = 1; |
1e7fb4f1 | 1016 | wpas_wps_reassoc(wpa_s, ssid, bssid); |
fcc60db4 JM |
1017 | return rpin; |
1018 | } | |
1019 | ||
1020 | ||
2f9929ff AC |
1021 | /* Cancel the wps pbc/pin requests */ |
1022 | int wpas_wps_cancel(struct wpa_supplicant *wpa_s) | |
1023 | { | |
1024 | #ifdef CONFIG_AP | |
1025 | if (wpa_s->ap_iface) { | |
1026 | wpa_printf(MSG_DEBUG, "WPS: Cancelling in AP mode"); | |
1027 | return wpa_supplicant_ap_wps_cancel(wpa_s); | |
1028 | } | |
1029 | #endif /* CONFIG_AP */ | |
1030 | ||
476dea24 JM |
1031 | if (wpa_s->wpa_state == WPA_SCANNING || |
1032 | wpa_s->wpa_state == WPA_DISCONNECTED) { | |
2f9929ff AC |
1033 | wpa_printf(MSG_DEBUG, "WPS: Cancel operation - cancel scan"); |
1034 | wpa_supplicant_cancel_scan(wpa_s); | |
1035 | wpas_clear_wps(wpa_s); | |
1036 | } else if (wpa_s->wpa_state >= WPA_ASSOCIATED) { | |
1037 | wpa_printf(MSG_DEBUG, "WPS: Cancel operation - " | |
1038 | "deauthenticate"); | |
1039 | wpa_supplicant_deauthenticate(wpa_s, | |
1040 | WLAN_REASON_DEAUTH_LEAVING); | |
1041 | wpas_clear_wps(wpa_s); | |
ec947ffc SD |
1042 | } else { |
1043 | wpas_wps_reenable_networks(wpa_s); | |
f9f0526b | 1044 | wpas_wps_clear_ap_info(wpa_s); |
ec947ffc | 1045 | } |
2f9929ff AC |
1046 | |
1047 | return 0; | |
1048 | } | |
1049 | ||
1050 | ||
fcc60db4 | 1051 | int wpas_wps_start_reg(struct wpa_supplicant *wpa_s, const u8 *bssid, |
52eb293d | 1052 | const char *pin, struct wps_new_ap_settings *settings) |
fcc60db4 JM |
1053 | { |
1054 | struct wpa_ssid *ssid; | |
52eb293d JM |
1055 | char val[200]; |
1056 | char *pos, *end; | |
1057 | int res; | |
fcc60db4 JM |
1058 | |
1059 | if (!pin) | |
1060 | return -1; | |
1061 | wpas_clear_wps(wpa_s); | |
1062 | ssid = wpas_wps_add_network(wpa_s, 1, bssid); | |
1063 | if (ssid == NULL) | |
1064 | return -1; | |
2ff99b3c | 1065 | ssid->temporary = 1; |
52eb293d JM |
1066 | pos = val; |
1067 | end = pos + sizeof(val); | |
1068 | res = os_snprintf(pos, end - pos, "\"pin=%s", pin); | |
1069 | if (res < 0 || res >= end - pos) | |
1070 | return -1; | |
1071 | pos += res; | |
1072 | if (settings) { | |
1073 | res = os_snprintf(pos, end - pos, " new_ssid=%s new_auth=%s " | |
1074 | "new_encr=%s new_key=%s", | |
1075 | settings->ssid_hex, settings->auth, | |
1076 | settings->encr, settings->key_hex); | |
1077 | if (res < 0 || res >= end - pos) | |
1078 | return -1; | |
1079 | pos += res; | |
1080 | } | |
1081 | res = os_snprintf(pos, end - pos, "\""); | |
1082 | if (res < 0 || res >= end - pos) | |
1083 | return -1; | |
9c75e9fb JM |
1084 | if (wpa_config_set(ssid, "phase1", val, 0) < 0) |
1085 | return -1; | |
42f50264 JM |
1086 | if (wpa_s->wps_fragment_size) |
1087 | ssid->eap.fragment_size = wpa_s->wps_fragment_size; | |
fcc60db4 JM |
1088 | eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout, |
1089 | wpa_s, NULL); | |
1e7fb4f1 | 1090 | wpas_wps_reassoc(wpa_s, ssid, bssid); |
fcc60db4 JM |
1091 | return 0; |
1092 | } | |
1093 | ||
1094 | ||
c5adf528 JM |
1095 | static int wpas_wps_new_psk_cb(void *ctx, const u8 *mac_addr, const u8 *psk, |
1096 | size_t psk_len) | |
1097 | { | |
1098 | wpa_printf(MSG_DEBUG, "WPS: Received new WPA/WPA2-PSK from WPS for " | |
1099 | "STA " MACSTR, MAC2STR(mac_addr)); | |
1100 | wpa_hexdump_key(MSG_DEBUG, "Per-device PSK", psk, psk_len); | |
1101 | ||
1102 | /* TODO */ | |
1103 | ||
1104 | return 0; | |
1105 | } | |
1106 | ||
1107 | ||
1108 | static void wpas_wps_pin_needed_cb(void *ctx, const u8 *uuid_e, | |
1109 | const struct wps_device_data *dev) | |
1110 | { | |
1111 | char uuid[40], txt[400]; | |
1112 | int len; | |
96750ea5 | 1113 | char devtype[WPS_DEV_TYPE_BUFSIZE]; |
c5adf528 JM |
1114 | if (uuid_bin2str(uuid_e, uuid, sizeof(uuid))) |
1115 | return; | |
1116 | wpa_printf(MSG_DEBUG, "WPS: PIN needed for UUID-E %s", uuid); | |
1117 | len = os_snprintf(txt, sizeof(txt), "WPS-EVENT-PIN-NEEDED %s " MACSTR | |
96750ea5 | 1118 | " [%s|%s|%s|%s|%s|%s]", |
c5adf528 JM |
1119 | uuid, MAC2STR(dev->mac_addr), dev->device_name, |
1120 | dev->manufacturer, dev->model_name, | |
1121 | dev->model_number, dev->serial_number, | |
96750ea5 JM |
1122 | wps_dev_type_bin2str(dev->pri_dev_type, devtype, |
1123 | sizeof(devtype))); | |
c5adf528 JM |
1124 | if (len > 0 && len < (int) sizeof(txt)) |
1125 | wpa_printf(MSG_INFO, "%s", txt); | |
1126 | } | |
1127 | ||
1128 | ||
72df2f5f JM |
1129 | static void wpas_wps_set_sel_reg_cb(void *ctx, int sel_reg, u16 dev_passwd_id, |
1130 | u16 sel_reg_config_methods) | |
1131 | { | |
1132 | #ifdef CONFIG_WPS_ER | |
1133 | struct wpa_supplicant *wpa_s = ctx; | |
1134 | ||
1135 | if (wpa_s->wps_er == NULL) | |
1136 | return; | |
ad474118 JM |
1137 | wpa_printf(MSG_DEBUG, "WPS ER: SetSelectedRegistrar - sel_reg=%d " |
1138 | "dev_password_id=%u sel_reg_config_methods=0x%x", | |
1139 | sel_reg, dev_passwd_id, sel_reg_config_methods); | |
72df2f5f JM |
1140 | wps_er_set_sel_reg(wpa_s->wps_er, sel_reg, dev_passwd_id, |
1141 | sel_reg_config_methods); | |
1142 | #endif /* CONFIG_WPS_ER */ | |
1143 | } | |
1144 | ||
1145 | ||
092acb54 JM |
1146 | static u16 wps_fix_config_methods(u16 config_methods) |
1147 | { | |
1148 | #ifdef CONFIG_WPS2 | |
1149 | if ((config_methods & | |
1150 | (WPS_CONFIG_DISPLAY | WPS_CONFIG_VIRT_DISPLAY | | |
1151 | WPS_CONFIG_PHY_DISPLAY)) == WPS_CONFIG_DISPLAY) { | |
1152 | wpa_printf(MSG_INFO, "WPS: Converting display to " | |
1153 | "virtual_display for WPS 2.0 compliance"); | |
1154 | config_methods |= WPS_CONFIG_VIRT_DISPLAY; | |
1155 | } | |
1156 | if ((config_methods & | |
1157 | (WPS_CONFIG_PUSHBUTTON | WPS_CONFIG_VIRT_PUSHBUTTON | | |
1158 | WPS_CONFIG_PHY_PUSHBUTTON)) == WPS_CONFIG_PUSHBUTTON) { | |
1159 | wpa_printf(MSG_INFO, "WPS: Converting push_button to " | |
1160 | "virtual_push_button for WPS 2.0 compliance"); | |
1161 | config_methods |= WPS_CONFIG_VIRT_PUSHBUTTON; | |
1162 | } | |
1163 | #endif /* CONFIG_WPS2 */ | |
1164 | ||
1165 | return config_methods; | |
1166 | } | |
1167 | ||
1168 | ||
85a821d6 JM |
1169 | static void wpas_wps_set_uuid(struct wpa_supplicant *wpa_s, |
1170 | struct wps_context *wps) | |
1171 | { | |
1172 | wpa_printf(MSG_DEBUG, "WPS: Set UUID for interface %s", wpa_s->ifname); | |
1173 | if (is_nil_uuid(wpa_s->conf->uuid)) { | |
1174 | struct wpa_supplicant *first; | |
1175 | first = wpa_s->global->ifaces; | |
1176 | while (first && first->next) | |
1177 | first = first->next; | |
1178 | if (first && first != wpa_s) { | |
157cdad5 BG |
1179 | if (wps != wpa_s->global->ifaces->wps) |
1180 | os_memcpy(wps->uuid, | |
1181 | wpa_s->global->ifaces->wps->uuid, | |
1182 | WPS_UUID_LEN); | |
85a821d6 JM |
1183 | wpa_hexdump(MSG_DEBUG, "WPS: UUID from the first " |
1184 | "interface", wps->uuid, WPS_UUID_LEN); | |
1185 | } else { | |
1186 | uuid_gen_mac_addr(wpa_s->own_addr, wps->uuid); | |
1187 | wpa_hexdump(MSG_DEBUG, "WPS: UUID based on MAC " | |
1188 | "address", wps->uuid, WPS_UUID_LEN); | |
1189 | } | |
1190 | } else { | |
1191 | os_memcpy(wps->uuid, wpa_s->conf->uuid, WPS_UUID_LEN); | |
1192 | wpa_hexdump(MSG_DEBUG, "WPS: UUID based on configuration", | |
1193 | wps->uuid, WPS_UUID_LEN); | |
1194 | } | |
1195 | } | |
1196 | ||
1197 | ||
71dd3b78 AS |
1198 | static void wpas_wps_set_vendor_ext_m1(struct wpa_supplicant *wpa_s, |
1199 | struct wps_context *wps) | |
1200 | { | |
1201 | wpabuf_free(wps->dev.vendor_ext_m1); | |
1202 | wps->dev.vendor_ext_m1 = NULL; | |
1203 | ||
1204 | if (wpa_s->conf->wps_vendor_ext_m1) { | |
1205 | wps->dev.vendor_ext_m1 = | |
1206 | wpabuf_dup(wpa_s->conf->wps_vendor_ext_m1); | |
1207 | if (!wps->dev.vendor_ext_m1) { | |
1208 | wpa_printf(MSG_ERROR, "WPS: Cannot " | |
1209 | "allocate memory for vendor_ext_m1"); | |
1210 | } | |
1211 | } | |
1212 | } | |
1213 | ||
1214 | ||
116654ce JM |
1215 | int wpas_wps_init(struct wpa_supplicant *wpa_s) |
1216 | { | |
1217 | struct wps_context *wps; | |
c5adf528 | 1218 | struct wps_registrar_config rcfg; |
6fb6d842 | 1219 | struct hostapd_hw_modes *modes; |
6bf731e8 | 1220 | u16 m; |
116654ce JM |
1221 | |
1222 | wps = os_zalloc(sizeof(*wps)); | |
1223 | if (wps == NULL) | |
1224 | return -1; | |
1225 | ||
1226 | wps->cred_cb = wpa_supplicant_wps_cred; | |
4b68290e | 1227 | wps->event_cb = wpa_supplicant_wps_event; |
116654ce JM |
1228 | wps->cb_ctx = wpa_s; |
1229 | ||
3c0b7aa4 JM |
1230 | wps->dev.device_name = wpa_s->conf->device_name; |
1231 | wps->dev.manufacturer = wpa_s->conf->manufacturer; | |
1232 | wps->dev.model_name = wpa_s->conf->model_name; | |
1233 | wps->dev.model_number = wpa_s->conf->model_number; | |
1234 | wps->dev.serial_number = wpa_s->conf->serial_number; | |
c0e4dd9e JM |
1235 | wps->config_methods = |
1236 | wps_config_methods_str2bin(wpa_s->conf->config_methods); | |
979b988e JM |
1237 | if ((wps->config_methods & (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) == |
1238 | (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) { | |
1239 | wpa_printf(MSG_ERROR, "WPS: Both Label and Display config " | |
1240 | "methods are not allowed at the same time"); | |
1241 | os_free(wps); | |
1242 | return -1; | |
1243 | } | |
092acb54 | 1244 | wps->config_methods = wps_fix_config_methods(wps->config_methods); |
a9355fac | 1245 | wps->dev.config_methods = wps->config_methods; |
2f646b6e JB |
1246 | os_memcpy(wps->dev.pri_dev_type, wpa_s->conf->device_type, |
1247 | WPS_DEV_TYPE_LEN); | |
a9e86bfb | 1248 | |
2f646b6e JB |
1249 | wps->dev.num_sec_dev_types = wpa_s->conf->num_sec_device_types; |
1250 | os_memcpy(wps->dev.sec_dev_type, wpa_s->conf->sec_device_type, | |
1251 | WPS_DEV_TYPE_LEN * wps->dev.num_sec_dev_types); | |
a9e86bfb | 1252 | |
71dd3b78 AS |
1253 | wpas_wps_set_vendor_ext_m1(wpa_s, wps); |
1254 | ||
3c0b7aa4 | 1255 | wps->dev.os_version = WPA_GET_BE32(wpa_s->conf->os_version); |
6bf731e8 | 1256 | modes = wpa_s->hw.modes; |
6fb6d842 | 1257 | if (modes) { |
6bf731e8 | 1258 | for (m = 0; m < wpa_s->hw.num_modes; m++) { |
6fb6d842 BC |
1259 | if (modes[m].mode == HOSTAPD_MODE_IEEE80211B || |
1260 | modes[m].mode == HOSTAPD_MODE_IEEE80211G) | |
1261 | wps->dev.rf_bands |= WPS_RF_24GHZ; | |
1262 | else if (modes[m].mode == HOSTAPD_MODE_IEEE80211A) | |
1263 | wps->dev.rf_bands |= WPS_RF_50GHZ; | |
1264 | } | |
6fb6d842 BC |
1265 | } |
1266 | if (wps->dev.rf_bands == 0) { | |
1267 | /* | |
1268 | * Default to claiming support for both bands if the driver | |
1269 | * does not provide support for fetching supported bands. | |
1270 | */ | |
1271 | wps->dev.rf_bands = WPS_RF_24GHZ | WPS_RF_50GHZ; | |
1272 | } | |
398cfbf6 | 1273 | os_memcpy(wps->dev.mac_addr, wpa_s->own_addr, ETH_ALEN); |
85a821d6 | 1274 | wpas_wps_set_uuid(wpa_s, wps); |
116654ce | 1275 | |
c5adf528 JM |
1276 | wps->auth_types = WPS_AUTH_WPA2PSK | WPS_AUTH_WPAPSK; |
1277 | wps->encr_types = WPS_ENCR_AES | WPS_ENCR_TKIP; | |
1278 | ||
1279 | os_memset(&rcfg, 0, sizeof(rcfg)); | |
1280 | rcfg.new_psk_cb = wpas_wps_new_psk_cb; | |
1281 | rcfg.pin_needed_cb = wpas_wps_pin_needed_cb; | |
72df2f5f | 1282 | rcfg.set_sel_reg_cb = wpas_wps_set_sel_reg_cb; |
c5adf528 JM |
1283 | rcfg.cb_ctx = wpa_s; |
1284 | ||
1285 | wps->registrar = wps_registrar_init(wps, &rcfg); | |
1286 | if (wps->registrar == NULL) { | |
1287 | wpa_printf(MSG_DEBUG, "Failed to initialize WPS Registrar"); | |
1288 | os_free(wps); | |
1289 | return -1; | |
1290 | } | |
1291 | ||
116654ce JM |
1292 | wpa_s->wps = wps; |
1293 | ||
1294 | return 0; | |
1295 | } | |
1296 | ||
1297 | ||
1298 | void wpas_wps_deinit(struct wpa_supplicant *wpa_s) | |
1299 | { | |
fcc60db4 | 1300 | eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL); |
ec947ffc | 1301 | eloop_cancel_timeout(wpas_wps_reenable_networks_cb, wpa_s, NULL); |
f9f0526b | 1302 | wpas_wps_clear_ap_info(wpa_s); |
fcc60db4 | 1303 | |
116654ce JM |
1304 | if (wpa_s->wps == NULL) |
1305 | return; | |
1306 | ||
a6b63078 | 1307 | #ifdef CONFIG_WPS_ER |
1a1bf008 | 1308 | wps_er_deinit(wpa_s->wps_er, NULL, NULL); |
a6b63078 JM |
1309 | wpa_s->wps_er = NULL; |
1310 | #endif /* CONFIG_WPS_ER */ | |
1311 | ||
c5adf528 | 1312 | wps_registrar_deinit(wpa_s->wps->registrar); |
46bdb83a MH |
1313 | wpabuf_free(wpa_s->wps->dh_pubkey); |
1314 | wpabuf_free(wpa_s->wps->dh_privkey); | |
71dd3b78 | 1315 | wpabuf_free(wpa_s->wps->dev.vendor_ext_m1); |
116654ce JM |
1316 | os_free(wpa_s->wps->network_key); |
1317 | os_free(wpa_s->wps); | |
1318 | wpa_s->wps = NULL; | |
1319 | } | |
351f09a2 JM |
1320 | |
1321 | ||
a6099152 | 1322 | int wpas_wps_ssid_bss_match(struct wpa_supplicant *wpa_s, |
620c7837 | 1323 | struct wpa_ssid *ssid, struct wpa_bss *bss) |
351f09a2 JM |
1324 | { |
1325 | struct wpabuf *wps_ie; | |
1326 | ||
1327 | if (!(ssid->key_mgmt & WPA_KEY_MGMT_WPS)) | |
1328 | return -1; | |
1329 | ||
620c7837 | 1330 | wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE); |
351f09a2 JM |
1331 | if (eap_is_wps_pbc_enrollee(&ssid->eap)) { |
1332 | if (!wps_ie) { | |
1333 | wpa_printf(MSG_DEBUG, " skip - non-WPS AP"); | |
1334 | return 0; | |
1335 | } | |
1336 | ||
1337 | if (!wps_is_selected_pbc_registrar(wps_ie)) { | |
1338 | wpa_printf(MSG_DEBUG, " skip - WPS AP " | |
1339 | "without active PBC Registrar"); | |
1340 | wpabuf_free(wps_ie); | |
1341 | return 0; | |
1342 | } | |
1343 | ||
1344 | /* TODO: overlap detection */ | |
1345 | wpa_printf(MSG_DEBUG, " selected based on WPS IE " | |
1346 | "(Active PBC)"); | |
1347 | wpabuf_free(wps_ie); | |
1348 | return 1; | |
1349 | } | |
1350 | ||
1351 | if (eap_is_wps_pin_enrollee(&ssid->eap)) { | |
1352 | if (!wps_ie) { | |
1353 | wpa_printf(MSG_DEBUG, " skip - non-WPS AP"); | |
1354 | return 0; | |
1355 | } | |
1356 | ||
a6099152 | 1357 | /* |
31fcea93 JM |
1358 | * Start with WPS APs that advertise our address as an |
1359 | * authorized MAC (v2.0) or active PIN Registrar (v1.0) and | |
1360 | * allow any WPS AP after couple of scans since some APs do not | |
1361 | * set Selected Registrar attribute properly when using | |
1362 | * external Registrar. | |
a6099152 | 1363 | */ |
31fcea93 | 1364 | if (!wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 1)) { |
a6099152 JM |
1365 | if (wpa_s->scan_runs < WPS_PIN_SCAN_IGNORE_SEL_REG) { |
1366 | wpa_printf(MSG_DEBUG, " skip - WPS AP " | |
1367 | "without active PIN Registrar"); | |
1368 | wpabuf_free(wps_ie); | |
1369 | return 0; | |
1370 | } | |
1371 | wpa_printf(MSG_DEBUG, " selected based on WPS IE"); | |
1372 | } else { | |
1373 | wpa_printf(MSG_DEBUG, " selected based on WPS IE " | |
31fcea93 | 1374 | "(Authorized MAC or Active PIN)"); |
351f09a2 | 1375 | } |
351f09a2 JM |
1376 | wpabuf_free(wps_ie); |
1377 | return 1; | |
1378 | } | |
1379 | ||
1380 | if (wps_ie) { | |
1381 | wpa_printf(MSG_DEBUG, " selected based on WPS IE"); | |
1382 | wpabuf_free(wps_ie); | |
1383 | return 1; | |
1384 | } | |
1385 | ||
1386 | return -1; | |
1387 | } | |
1388 | ||
1389 | ||
a6099152 JM |
1390 | int wpas_wps_ssid_wildcard_ok(struct wpa_supplicant *wpa_s, |
1391 | struct wpa_ssid *ssid, | |
620c7837 | 1392 | struct wpa_bss *bss) |
351f09a2 JM |
1393 | { |
1394 | struct wpabuf *wps_ie = NULL; | |
1395 | int ret = 0; | |
1396 | ||
1397 | if (eap_is_wps_pbc_enrollee(&ssid->eap)) { | |
620c7837 | 1398 | wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE); |
351f09a2 JM |
1399 | if (wps_ie && wps_is_selected_pbc_registrar(wps_ie)) { |
1400 | /* allow wildcard SSID for WPS PBC */ | |
1401 | ret = 1; | |
1402 | } | |
1403 | } else if (eap_is_wps_pin_enrollee(&ssid->eap)) { | |
620c7837 | 1404 | wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE); |
a6099152 | 1405 | if (wps_ie && |
31fcea93 | 1406 | (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 1) || |
a6099152 | 1407 | wpa_s->scan_runs >= WPS_PIN_SCAN_IGNORE_SEL_REG)) { |
351f09a2 JM |
1408 | /* allow wildcard SSID for WPS PIN */ |
1409 | ret = 1; | |
1410 | } | |
1411 | } | |
1412 | ||
24c23d1b JM |
1413 | if (!ret && ssid->bssid_set && |
1414 | os_memcmp(ssid->bssid, bss->bssid, ETH_ALEN) == 0) { | |
1415 | /* allow wildcard SSID due to hardcoded BSSID match */ | |
1416 | ret = 1; | |
1417 | } | |
1418 | ||
54f489be JM |
1419 | #ifdef CONFIG_WPS_STRICT |
1420 | if (wps_ie) { | |
1421 | if (wps_validate_beacon_probe_resp(wps_ie, bss->beacon_ie_len > | |
ff28ccaf | 1422 | 0, bss->bssid) < 0) |
54f489be JM |
1423 | ret = 0; |
1424 | if (bss->beacon_ie_len) { | |
1425 | struct wpabuf *bcn_wps; | |
620c7837 | 1426 | bcn_wps = wpa_bss_get_vendor_ie_multi_beacon( |
54f489be JM |
1427 | bss, WPS_IE_VENDOR_TYPE); |
1428 | if (bcn_wps == NULL) { | |
1429 | wpa_printf(MSG_DEBUG, "WPS: Mandatory WPS IE " | |
1430 | "missing from AP Beacon"); | |
1431 | ret = 0; | |
1432 | } else { | |
1433 | if (wps_validate_beacon(wps_ie) < 0) | |
1434 | ret = 0; | |
1435 | wpabuf_free(bcn_wps); | |
1436 | } | |
1437 | } | |
1438 | } | |
1439 | #endif /* CONFIG_WPS_STRICT */ | |
1440 | ||
351f09a2 JM |
1441 | wpabuf_free(wps_ie); |
1442 | ||
1443 | return ret; | |
1444 | } | |
1445 | ||
1446 | ||
1447 | int wpas_wps_scan_pbc_overlap(struct wpa_supplicant *wpa_s, | |
6fa81a3b | 1448 | struct wpa_bss *selected, struct wpa_ssid *ssid) |
351f09a2 JM |
1449 | { |
1450 | const u8 *sel_uuid, *uuid; | |
351f09a2 JM |
1451 | struct wpabuf *wps_ie; |
1452 | int ret = 0; | |
6fa81a3b | 1453 | struct wpa_bss *bss; |
351f09a2 JM |
1454 | |
1455 | if (!eap_is_wps_pbc_enrollee(&ssid->eap)) | |
1456 | return 0; | |
1457 | ||
9647120b JM |
1458 | wpa_printf(MSG_DEBUG, "WPS: Check whether PBC session overlap is " |
1459 | "present in scan results; selected BSSID " MACSTR, | |
1460 | MAC2STR(selected->bssid)); | |
1461 | ||
351f09a2 | 1462 | /* Make sure that only one AP is in active PBC mode */ |
6fa81a3b | 1463 | wps_ie = wpa_bss_get_vendor_ie_multi(selected, WPS_IE_VENDOR_TYPE); |
9647120b | 1464 | if (wps_ie) { |
351f09a2 | 1465 | sel_uuid = wps_get_uuid_e(wps_ie); |
9647120b JM |
1466 | wpa_hexdump(MSG_DEBUG, "WPS: UUID of the selected BSS", |
1467 | sel_uuid, UUID_LEN); | |
1468 | } else { | |
1469 | wpa_printf(MSG_DEBUG, "WPS: Selected BSS does not include " | |
1470 | "WPS IE?!"); | |
351f09a2 | 1471 | sel_uuid = NULL; |
9647120b | 1472 | } |
351f09a2 | 1473 | |
6fa81a3b | 1474 | dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) { |
351f09a2 JM |
1475 | struct wpabuf *ie; |
1476 | if (bss == selected) | |
1477 | continue; | |
6fa81a3b | 1478 | ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE); |
351f09a2 JM |
1479 | if (!ie) |
1480 | continue; | |
1481 | if (!wps_is_selected_pbc_registrar(ie)) { | |
1482 | wpabuf_free(ie); | |
1483 | continue; | |
1484 | } | |
9647120b JM |
1485 | wpa_printf(MSG_DEBUG, "WPS: Another BSS in active PBC mode: " |
1486 | MACSTR, MAC2STR(bss->bssid)); | |
351f09a2 | 1487 | uuid = wps_get_uuid_e(ie); |
9647120b JM |
1488 | wpa_hexdump(MSG_DEBUG, "WPS: UUID of the other BSS", |
1489 | uuid, UUID_LEN); | |
44cd430f | 1490 | if (sel_uuid == NULL || uuid == NULL || |
9647120b | 1491 | os_memcmp(sel_uuid, uuid, UUID_LEN) != 0) { |
351f09a2 | 1492 | ret = 1; /* PBC overlap */ |
9647120b JM |
1493 | wpa_msg(wpa_s, MSG_INFO, "WPS: PBC overlap detected: " |
1494 | MACSTR " and " MACSTR, | |
1495 | MAC2STR(selected->bssid), | |
1496 | MAC2STR(bss->bssid)); | |
351f09a2 JM |
1497 | wpabuf_free(ie); |
1498 | break; | |
1499 | } | |
1500 | ||
1501 | /* TODO: verify that this is reasonable dual-band situation */ | |
484957ae JM |
1502 | |
1503 | wpabuf_free(ie); | |
351f09a2 JM |
1504 | } |
1505 | ||
1506 | wpabuf_free(wps_ie); | |
1507 | ||
1508 | return ret; | |
1509 | } | |
a524f05e JM |
1510 | |
1511 | ||
1512 | void wpas_wps_notify_scan_results(struct wpa_supplicant *wpa_s) | |
1513 | { | |
6fa81a3b | 1514 | struct wpa_bss *bss; |
6c6ad81f | 1515 | unsigned int pbc = 0, auth = 0, pin = 0, wps = 0; |
a524f05e JM |
1516 | |
1517 | if (wpa_s->disconnected || wpa_s->wpa_state >= WPA_ASSOCIATED) | |
1518 | return; | |
1519 | ||
6fa81a3b | 1520 | dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) { |
a524f05e | 1521 | struct wpabuf *ie; |
6fa81a3b | 1522 | ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE); |
a524f05e JM |
1523 | if (!ie) |
1524 | continue; | |
1525 | if (wps_is_selected_pbc_registrar(ie)) | |
6c6ad81f | 1526 | pbc++; |
31fcea93 | 1527 | else if (wps_is_addr_authorized(ie, wpa_s->own_addr, 0)) |
6c6ad81f | 1528 | auth++; |
a524f05e | 1529 | else if (wps_is_selected_pin_registrar(ie)) |
6c6ad81f | 1530 | pin++; |
a524f05e | 1531 | else |
6c6ad81f | 1532 | wps++; |
a524f05e | 1533 | wpabuf_free(ie); |
a524f05e | 1534 | } |
6c6ad81f JM |
1535 | |
1536 | if (pbc) | |
1537 | wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE_PBC); | |
1538 | else if (auth) | |
1539 | wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE_AUTH); | |
1540 | else if (pin) | |
1541 | wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE_PIN); | |
1542 | else if (wps) | |
1543 | wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE); | |
a524f05e | 1544 | } |
24c23d1b JM |
1545 | |
1546 | ||
1547 | int wpas_wps_searching(struct wpa_supplicant *wpa_s) | |
1548 | { | |
1549 | struct wpa_ssid *ssid; | |
1550 | ||
1551 | for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) { | |
1552 | if ((ssid->key_mgmt & WPA_KEY_MGMT_WPS) && !ssid->disabled) | |
1553 | return 1; | |
1554 | } | |
1555 | ||
1556 | return 0; | |
1557 | } | |
611ed491 JM |
1558 | |
1559 | ||
1560 | int wpas_wps_scan_result_text(const u8 *ies, size_t ies_len, char *buf, | |
1561 | char *end) | |
1562 | { | |
1563 | struct wpabuf *wps_ie; | |
1564 | int ret; | |
1565 | ||
1566 | wps_ie = ieee802_11_vendor_ie_concat(ies, ies_len, WPS_DEV_OUI_WFA); | |
1567 | if (wps_ie == NULL) | |
1568 | return 0; | |
1569 | ||
1570 | ret = wps_attr_text(wps_ie, buf, end); | |
1571 | wpabuf_free(wps_ie); | |
1572 | return ret; | |
1573 | } | |
e9bcfebf JM |
1574 | |
1575 | ||
08486685 | 1576 | int wpas_wps_er_start(struct wpa_supplicant *wpa_s, const char *filter) |
e9bcfebf JM |
1577 | { |
1578 | #ifdef CONFIG_WPS_ER | |
1579 | if (wpa_s->wps_er) { | |
b3f371ca | 1580 | wps_er_refresh(wpa_s->wps_er); |
e9bcfebf JM |
1581 | return 0; |
1582 | } | |
08486685 | 1583 | wpa_s->wps_er = wps_er_init(wpa_s->wps, wpa_s->ifname, filter); |
e9bcfebf JM |
1584 | if (wpa_s->wps_er == NULL) |
1585 | return -1; | |
1586 | return 0; | |
1587 | #else /* CONFIG_WPS_ER */ | |
1588 | return 0; | |
1589 | #endif /* CONFIG_WPS_ER */ | |
1590 | } | |
1591 | ||
1592 | ||
1593 | int wpas_wps_er_stop(struct wpa_supplicant *wpa_s) | |
1594 | { | |
1595 | #ifdef CONFIG_WPS_ER | |
1a1bf008 | 1596 | wps_er_deinit(wpa_s->wps_er, NULL, NULL); |
e9bcfebf JM |
1597 | wpa_s->wps_er = NULL; |
1598 | #endif /* CONFIG_WPS_ER */ | |
1599 | return 0; | |
1600 | } | |
72df2f5f JM |
1601 | |
1602 | ||
1603 | #ifdef CONFIG_WPS_ER | |
31fcea93 JM |
1604 | int wpas_wps_er_add_pin(struct wpa_supplicant *wpa_s, const u8 *addr, |
1605 | const char *uuid, const char *pin) | |
72df2f5f JM |
1606 | { |
1607 | u8 u[UUID_LEN]; | |
1608 | int any = 0; | |
1609 | ||
1610 | if (os_strcmp(uuid, "any") == 0) | |
1611 | any = 1; | |
1612 | else if (uuid_str2bin(uuid, u)) | |
1613 | return -1; | |
31fcea93 JM |
1614 | return wps_registrar_add_pin(wpa_s->wps->registrar, addr, |
1615 | any ? NULL : u, | |
72df2f5f JM |
1616 | (const u8 *) pin, os_strlen(pin), 300); |
1617 | } | |
564cd7fa JM |
1618 | |
1619 | ||
1620 | int wpas_wps_er_pbc(struct wpa_supplicant *wpa_s, const char *uuid) | |
1621 | { | |
1622 | u8 u[UUID_LEN]; | |
1623 | ||
1624 | if (uuid_str2bin(uuid, u)) | |
1625 | return -1; | |
1626 | return wps_er_pbc(wpa_s->wps_er, u); | |
1627 | } | |
e64dcfd5 JM |
1628 | |
1629 | ||
1630 | int wpas_wps_er_learn(struct wpa_supplicant *wpa_s, const char *uuid, | |
1631 | const char *pin) | |
1632 | { | |
1633 | u8 u[UUID_LEN]; | |
1634 | ||
1635 | if (uuid_str2bin(uuid, u)) | |
1636 | return -1; | |
1637 | return wps_er_learn(wpa_s->wps_er, u, (const u8 *) pin, | |
1638 | os_strlen(pin)); | |
1639 | } | |
1a1bf008 JM |
1640 | |
1641 | ||
ef10f473 JM |
1642 | int wpas_wps_er_set_config(struct wpa_supplicant *wpa_s, const char *uuid, |
1643 | int id) | |
1644 | { | |
1645 | u8 u[UUID_LEN]; | |
1646 | struct wpa_ssid *ssid; | |
1647 | struct wps_credential cred; | |
1648 | ||
1649 | if (uuid_str2bin(uuid, u)) | |
1650 | return -1; | |
1651 | ssid = wpa_config_get_network(wpa_s->conf, id); | |
1652 | if (ssid == NULL || ssid->ssid == NULL) | |
1653 | return -1; | |
1654 | ||
1655 | os_memset(&cred, 0, sizeof(cred)); | |
1656 | if (ssid->ssid_len > 32) | |
1657 | return -1; | |
1658 | os_memcpy(cred.ssid, ssid->ssid, ssid->ssid_len); | |
1659 | cred.ssid_len = ssid->ssid_len; | |
1660 | if (ssid->key_mgmt & WPA_KEY_MGMT_PSK) { | |
1661 | cred.auth_type = (ssid->proto & WPA_PROTO_RSN) ? | |
1662 | WPS_AUTH_WPA2PSK : WPS_AUTH_WPAPSK; | |
1663 | if (ssid->pairwise_cipher & WPA_CIPHER_CCMP) | |
1664 | cred.encr_type = WPS_ENCR_AES; | |
1665 | else | |
1666 | cred.encr_type = WPS_ENCR_TKIP; | |
1667 | if (ssid->passphrase) { | |
1668 | cred.key_len = os_strlen(ssid->passphrase); | |
1669 | if (cred.key_len >= 64) | |
1670 | return -1; | |
1671 | os_memcpy(cred.key, ssid->passphrase, cred.key_len); | |
1672 | } else if (ssid->psk_set) { | |
1673 | cred.key_len = 32; | |
1674 | os_memcpy(cred.key, ssid->psk, 32); | |
1675 | } else | |
1676 | return -1; | |
1677 | } else { | |
1678 | cred.auth_type = WPS_AUTH_OPEN; | |
1679 | cred.encr_type = WPS_ENCR_NONE; | |
1680 | } | |
1681 | return wps_er_set_config(wpa_s->wps_er, u, &cred); | |
1682 | } | |
1683 | ||
1684 | ||
7d6640a6 JM |
1685 | int wpas_wps_er_config(struct wpa_supplicant *wpa_s, const char *uuid, |
1686 | const char *pin, struct wps_new_ap_settings *settings) | |
1687 | { | |
1688 | u8 u[UUID_LEN]; | |
1689 | struct wps_credential cred; | |
1690 | size_t len; | |
1691 | ||
1692 | if (uuid_str2bin(uuid, u)) | |
1693 | return -1; | |
1694 | if (settings->ssid_hex == NULL || settings->auth == NULL || | |
1695 | settings->encr == NULL || settings->key_hex == NULL) | |
1696 | return -1; | |
1697 | ||
1698 | os_memset(&cred, 0, sizeof(cred)); | |
1699 | len = os_strlen(settings->ssid_hex); | |
1700 | if ((len & 1) || len > 2 * sizeof(cred.ssid) || | |
1701 | hexstr2bin(settings->ssid_hex, cred.ssid, len / 2)) | |
1702 | return -1; | |
1703 | cred.ssid_len = len / 2; | |
1704 | ||
1705 | len = os_strlen(settings->key_hex); | |
1706 | if ((len & 1) || len > 2 * sizeof(cred.key) || | |
1707 | hexstr2bin(settings->key_hex, cred.key, len / 2)) | |
1708 | return -1; | |
1709 | cred.key_len = len / 2; | |
1710 | ||
1711 | if (os_strcmp(settings->auth, "OPEN") == 0) | |
1712 | cred.auth_type = WPS_AUTH_OPEN; | |
1713 | else if (os_strcmp(settings->auth, "WPAPSK") == 0) | |
1714 | cred.auth_type = WPS_AUTH_WPAPSK; | |
1715 | else if (os_strcmp(settings->auth, "WPA2PSK") == 0) | |
1716 | cred.auth_type = WPS_AUTH_WPA2PSK; | |
1717 | else | |
1718 | return -1; | |
1719 | ||
1720 | if (os_strcmp(settings->encr, "NONE") == 0) | |
1721 | cred.encr_type = WPS_ENCR_NONE; | |
1722 | else if (os_strcmp(settings->encr, "WEP") == 0) | |
1723 | cred.encr_type = WPS_ENCR_WEP; | |
1724 | else if (os_strcmp(settings->encr, "TKIP") == 0) | |
1725 | cred.encr_type = WPS_ENCR_TKIP; | |
1726 | else if (os_strcmp(settings->encr, "CCMP") == 0) | |
1727 | cred.encr_type = WPS_ENCR_AES; | |
1728 | else | |
1729 | return -1; | |
1730 | ||
1731 | return wps_er_config(wpa_s->wps_er, u, (const u8 *) pin, | |
1732 | os_strlen(pin), &cred); | |
1733 | } | |
1734 | ||
1735 | ||
1cea09a9 JM |
1736 | #ifdef CONFIG_WPS_NFC |
1737 | struct wpabuf * wpas_wps_er_nfc_config_token(struct wpa_supplicant *wpa_s, | |
1738 | int ndef, const char *uuid) | |
1739 | { | |
1740 | struct wpabuf *ret; | |
1741 | u8 u[UUID_LEN]; | |
1742 | ||
1743 | if (!wpa_s->wps_er) | |
1744 | return NULL; | |
1745 | ||
1746 | if (uuid_str2bin(uuid, u)) | |
1747 | return NULL; | |
1748 | ||
1749 | ret = wps_er_nfc_config_token(wpa_s->wps_er, u); | |
1750 | if (ndef && ret) { | |
1751 | struct wpabuf *tmp; | |
1752 | tmp = ndef_build_wifi(ret); | |
1753 | wpabuf_free(ret); | |
1754 | if (tmp == NULL) | |
1755 | return NULL; | |
1756 | ret = tmp; | |
1757 | } | |
1758 | ||
1759 | return ret; | |
1760 | } | |
1761 | #endif /* CONFIG_WPS_NFC */ | |
1762 | ||
1763 | ||
4c9695be BG |
1764 | static int callbacks_pending = 0; |
1765 | ||
1a1bf008 JM |
1766 | static void wpas_wps_terminate_cb(void *ctx) |
1767 | { | |
1768 | wpa_printf(MSG_DEBUG, "WPS ER: Terminated"); | |
4c9695be BG |
1769 | if (--callbacks_pending <= 0) |
1770 | eloop_terminate(); | |
1a1bf008 JM |
1771 | } |
1772 | #endif /* CONFIG_WPS_ER */ | |
1773 | ||
1774 | ||
1775 | int wpas_wps_terminate_pending(struct wpa_supplicant *wpa_s) | |
1776 | { | |
1777 | #ifdef CONFIG_WPS_ER | |
1778 | if (wpa_s->wps_er) { | |
4c9695be | 1779 | callbacks_pending++; |
1a1bf008 JM |
1780 | wps_er_deinit(wpa_s->wps_er, wpas_wps_terminate_cb, wpa_s); |
1781 | wpa_s->wps_er = NULL; | |
1782 | return 1; | |
1783 | } | |
72df2f5f | 1784 | #endif /* CONFIG_WPS_ER */ |
1a1bf008 JM |
1785 | return 0; |
1786 | } | |
41e650ae JM |
1787 | |
1788 | ||
1789 | int wpas_wps_in_progress(struct wpa_supplicant *wpa_s) | |
1790 | { | |
1791 | struct wpa_ssid *ssid; | |
1792 | ||
1793 | for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) { | |
1794 | if (!ssid->disabled && ssid->key_mgmt == WPA_KEY_MGMT_WPS) | |
1795 | return 1; | |
1796 | } | |
1797 | ||
1798 | return 0; | |
1799 | } | |
611aea7d JM |
1800 | |
1801 | ||
1802 | void wpas_wps_update_config(struct wpa_supplicant *wpa_s) | |
1803 | { | |
1804 | struct wps_context *wps = wpa_s->wps; | |
1805 | ||
1806 | if (wps == NULL) | |
1807 | return; | |
1808 | ||
1809 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_CONFIG_METHODS) { | |
1810 | wps->config_methods = wps_config_methods_str2bin( | |
1811 | wpa_s->conf->config_methods); | |
1812 | if ((wps->config_methods & | |
1813 | (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) == | |
1814 | (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) { | |
1815 | wpa_printf(MSG_ERROR, "WPS: Both Label and Display " | |
1816 | "config methods are not allowed at the " | |
1817 | "same time"); | |
1818 | wps->config_methods &= ~WPS_CONFIG_LABEL; | |
1819 | } | |
1820 | } | |
092acb54 | 1821 | wps->config_methods = wps_fix_config_methods(wps->config_methods); |
c8b245b6 | 1822 | wps->dev.config_methods = wps->config_methods; |
611aea7d | 1823 | |
2f646b6e JB |
1824 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_DEVICE_TYPE) |
1825 | os_memcpy(wps->dev.pri_dev_type, wpa_s->conf->device_type, | |
1826 | WPS_DEV_TYPE_LEN); | |
611aea7d | 1827 | |
a9e86bfb | 1828 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_SEC_DEVICE_TYPE) { |
2f646b6e JB |
1829 | wps->dev.num_sec_dev_types = wpa_s->conf->num_sec_device_types; |
1830 | os_memcpy(wps->dev.sec_dev_type, wpa_s->conf->sec_device_type, | |
1831 | wps->dev.num_sec_dev_types * WPS_DEV_TYPE_LEN); | |
a9e86bfb JMB |
1832 | } |
1833 | ||
71dd3b78 AS |
1834 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_VENDOR_EXTENSION) |
1835 | wpas_wps_set_vendor_ext_m1(wpa_s, wps); | |
1836 | ||
611aea7d JM |
1837 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_OS_VERSION) |
1838 | wps->dev.os_version = WPA_GET_BE32(wpa_s->conf->os_version); | |
1839 | ||
85a821d6 JM |
1840 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_UUID) |
1841 | wpas_wps_set_uuid(wpa_s, wps); | |
dcf788d1 | 1842 | |
1c9cb49f JM |
1843 | if (wpa_s->conf->changed_parameters & |
1844 | (CFG_CHANGED_DEVICE_NAME | CFG_CHANGED_WPS_STRING)) { | |
dcf788d1 JM |
1845 | /* Update pointers to make sure they refer current values */ |
1846 | wps->dev.device_name = wpa_s->conf->device_name; | |
1847 | wps->dev.manufacturer = wpa_s->conf->manufacturer; | |
1848 | wps->dev.model_name = wpa_s->conf->model_name; | |
1849 | wps->dev.model_number = wpa_s->conf->model_number; | |
1850 | wps->dev.serial_number = wpa_s->conf->serial_number; | |
1851 | } | |
611aea7d | 1852 | } |
3f2c8ba6 JM |
1853 | |
1854 | ||
1855 | #ifdef CONFIG_WPS_NFC | |
1856 | ||
bbf41865 JM |
1857 | struct wpabuf * wpas_wps_nfc_config_token(struct wpa_supplicant *wpa_s, |
1858 | int ndef) | |
1859 | { | |
1860 | #ifdef CONFIG_AP | |
1861 | if (wpa_s->ap_iface) | |
1862 | return wpas_ap_wps_nfc_config_token(wpa_s, ndef); | |
1863 | #endif /* CONFIG_AP */ | |
1864 | return NULL; | |
1865 | } | |
1866 | ||
1867 | ||
3f2c8ba6 JM |
1868 | struct wpabuf * wpas_wps_nfc_token(struct wpa_supplicant *wpa_s, int ndef) |
1869 | { | |
042ec551 JM |
1870 | if (wpa_s->conf->wps_nfc_pw_from_config) { |
1871 | return wps_nfc_token_build(ndef, | |
1872 | wpa_s->conf->wps_nfc_dev_pw_id, | |
1873 | wpa_s->conf->wps_nfc_dh_pubkey, | |
1874 | wpa_s->conf->wps_nfc_dev_pw); | |
1875 | } | |
1876 | ||
bfc62fe1 JM |
1877 | return wps_nfc_token_gen(ndef, &wpa_s->conf->wps_nfc_dev_pw_id, |
1878 | &wpa_s->conf->wps_nfc_dh_pubkey, | |
1879 | &wpa_s->conf->wps_nfc_dh_privkey, | |
1880 | &wpa_s->conf->wps_nfc_dev_pw); | |
3f2c8ba6 JM |
1881 | } |
1882 | ||
1883 | ||
1884 | int wpas_wps_start_nfc(struct wpa_supplicant *wpa_s, const u8 *bssid) | |
1885 | { | |
1886 | struct wps_context *wps = wpa_s->wps; | |
1887 | char pw[32 * 2 + 1]; | |
1888 | ||
1889 | if (wpa_s->conf->wps_nfc_dh_pubkey == NULL || | |
1890 | wpa_s->conf->wps_nfc_dh_privkey == NULL || | |
1891 | wpa_s->conf->wps_nfc_dev_pw == NULL) | |
1892 | return -1; | |
1893 | ||
1894 | dh5_free(wps->dh_ctx); | |
1895 | wpabuf_free(wps->dh_pubkey); | |
1896 | wpabuf_free(wps->dh_privkey); | |
1897 | wps->dh_privkey = wpabuf_dup(wpa_s->conf->wps_nfc_dh_privkey); | |
1898 | wps->dh_pubkey = wpabuf_dup(wpa_s->conf->wps_nfc_dh_pubkey); | |
1899 | if (wps->dh_privkey == NULL || wps->dh_pubkey == NULL) { | |
1900 | wps->dh_ctx = NULL; | |
1901 | wpabuf_free(wps->dh_pubkey); | |
1902 | wps->dh_pubkey = NULL; | |
1903 | wpabuf_free(wps->dh_privkey); | |
1904 | wps->dh_privkey = NULL; | |
1905 | return -1; | |
1906 | } | |
1907 | wps->dh_ctx = dh5_init_fixed(wps->dh_privkey, wps->dh_pubkey); | |
1908 | if (wps->dh_ctx == NULL) | |
1909 | return -1; | |
1910 | ||
1911 | wpa_snprintf_hex_uppercase(pw, sizeof(pw), | |
1912 | wpabuf_head(wpa_s->conf->wps_nfc_dev_pw), | |
1913 | wpabuf_len(wpa_s->conf->wps_nfc_dev_pw)); | |
1914 | return wpas_wps_start_pin(wpa_s, bssid, pw, 0, | |
1915 | wpa_s->conf->wps_nfc_dev_pw_id); | |
1916 | } | |
1917 | ||
d7645d23 JM |
1918 | |
1919 | static int wpas_wps_use_cred(struct wpa_supplicant *wpa_s, | |
1920 | struct wps_parse_attr *attr) | |
1921 | { | |
bd3a3737 JM |
1922 | wpa_s->wps_ap_channel = 0; |
1923 | ||
d7645d23 JM |
1924 | if (wps_oob_use_cred(wpa_s->wps, attr) < 0) |
1925 | return -1; | |
1926 | ||
1927 | if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) | |
1928 | return 0; | |
1929 | ||
1930 | wpa_printf(MSG_DEBUG, "WPS: Request reconnection with new network " | |
1931 | "based on the received credential added"); | |
1932 | wpa_s->normal_scans = 0; | |
1933 | wpa_supplicant_reinit_autoscan(wpa_s); | |
bd3a3737 JM |
1934 | if (wpa_s->wps_ap_channel) { |
1935 | u16 chan = wpa_s->wps_ap_channel; | |
1936 | int freq = 0; | |
1937 | ||
1938 | if (chan >= 1 && chan <= 13) | |
1939 | freq = 2407 + 5 * chan; | |
1940 | else if (chan == 14) | |
1941 | freq = 2484; | |
1942 | else if (chan >= 30) | |
1943 | freq = 5000 + 5 * chan; | |
1944 | ||
1945 | if (freq) { | |
1946 | wpa_printf(MSG_DEBUG, "WPS: Credential indicated " | |
1947 | "AP channel %u -> %u MHz", chan, freq); | |
1948 | wpa_s->after_wps = 5; | |
1949 | wpa_s->wps_freq = freq; | |
1950 | } | |
1951 | } | |
d7645d23 JM |
1952 | wpa_s->disconnected = 0; |
1953 | wpa_s->reassociate = 1; | |
1954 | wpa_supplicant_req_scan(wpa_s, 0, 0); | |
1955 | ||
1956 | return 0; | |
1957 | } | |
1958 | ||
1959 | ||
6df865fa | 1960 | #ifdef CONFIG_WPS_ER |
e6ea2a45 JM |
1961 | static int wpas_wps_add_nfc_password_token(struct wpa_supplicant *wpa_s, |
1962 | struct wps_parse_attr *attr) | |
1963 | { | |
e6ea2a45 JM |
1964 | return wps_registrar_add_nfc_password_token( |
1965 | wpa_s->wps->registrar, attr->oob_dev_password, | |
1966 | attr->oob_dev_password_len); | |
1967 | } | |
6df865fa | 1968 | #endif /* CONFIG_WPS_ER */ |
e6ea2a45 JM |
1969 | |
1970 | ||
d7645d23 JM |
1971 | static int wpas_wps_nfc_tag_process(struct wpa_supplicant *wpa_s, |
1972 | const struct wpabuf *wps) | |
1973 | { | |
1974 | struct wps_parse_attr attr; | |
1975 | ||
1976 | wpa_hexdump_buf(MSG_DEBUG, "WPS: Received NFC tag payload", wps); | |
1977 | ||
1978 | if (wps_parse_msg(wps, &attr)) { | |
1979 | wpa_printf(MSG_DEBUG, "WPS: Ignore invalid data from NFC tag"); | |
1980 | return -1; | |
1981 | } | |
1982 | ||
1983 | if (attr.num_cred) | |
1984 | return wpas_wps_use_cred(wpa_s, &attr); | |
1985 | ||
e6ea2a45 JM |
1986 | #ifdef CONFIG_WPS_ER |
1987 | if (attr.oob_dev_password) | |
1988 | return wpas_wps_add_nfc_password_token(wpa_s, &attr); | |
1989 | #endif /* CONFIG_WPS_ER */ | |
1990 | ||
d7645d23 JM |
1991 | wpa_printf(MSG_DEBUG, "WPS: Ignore unrecognized NFC tag"); |
1992 | return -1; | |
1993 | } | |
1994 | ||
1995 | ||
1996 | int wpas_wps_nfc_tag_read(struct wpa_supplicant *wpa_s, | |
1997 | const struct wpabuf *data) | |
1998 | { | |
1999 | const struct wpabuf *wps = data; | |
2000 | struct wpabuf *tmp = NULL; | |
2001 | int ret; | |
2002 | ||
2003 | if (wpabuf_len(data) < 4) | |
2004 | return -1; | |
2005 | ||
2006 | if (*wpabuf_head_u8(data) != 0x10) { | |
2007 | /* Assume this contains full NDEF record */ | |
2008 | tmp = ndef_parse_wifi(data); | |
2009 | if (tmp == NULL) { | |
2010 | wpa_printf(MSG_DEBUG, "WPS: Could not parse NDEF"); | |
2011 | return -1; | |
2012 | } | |
2013 | wps = tmp; | |
2014 | } | |
2015 | ||
2016 | ret = wpas_wps_nfc_tag_process(wpa_s, wps); | |
2017 | wpabuf_free(tmp); | |
2018 | return ret; | |
2019 | } | |
2020 | ||
e65552dd | 2021 | |
bbaaaee1 | 2022 | struct wpabuf * wpas_wps_nfc_handover_req(struct wpa_supplicant *wpa_s, int cr) |
e65552dd | 2023 | { |
bbaaaee1 JM |
2024 | if (cr) |
2025 | return ndef_build_wifi_hc(1); | |
e65552dd JM |
2026 | return ndef_build_wifi_hr(); |
2027 | } | |
2028 | ||
2029 | ||
f3f2ba2e JM |
2030 | #ifdef CONFIG_WPS_NFC |
2031 | struct wpabuf * wpas_wps_er_nfc_handover_sel(struct wpa_supplicant *wpa_s, | |
2032 | int ndef, const char *uuid) | |
2033 | { | |
94d7acf3 | 2034 | #ifdef CONFIG_WPS_ER |
f3f2ba2e JM |
2035 | struct wpabuf *ret; |
2036 | u8 u[UUID_LEN]; | |
2037 | ||
2038 | if (!wpa_s->wps_er) | |
2039 | return NULL; | |
2040 | ||
2041 | if (uuid == NULL || uuid_str2bin(uuid, u)) | |
2042 | return NULL; | |
2043 | ||
2044 | /* | |
2045 | * Handover Select carrier record for WPS uses the same format as | |
2046 | * configuration token. | |
2047 | */ | |
2048 | ret = wps_er_nfc_config_token(wpa_s->wps_er, u); | |
2049 | if (ndef && ret) { | |
2050 | struct wpabuf *tmp; | |
2051 | tmp = ndef_build_wifi(ret); | |
2052 | wpabuf_free(ret); | |
2053 | if (tmp == NULL) | |
2054 | return NULL; | |
2055 | ret = tmp; | |
2056 | } | |
2057 | ||
2058 | return ret; | |
94d7acf3 JM |
2059 | #else /* CONFIG_WPS_ER */ |
2060 | return NULL; | |
2061 | #endif /* CONFIG_WPS_ER */ | |
f3f2ba2e JM |
2062 | } |
2063 | #endif /* CONFIG_WPS_NFC */ | |
2064 | ||
2065 | ||
5ab9a6a5 | 2066 | struct wpabuf * wpas_wps_nfc_handover_sel(struct wpa_supplicant *wpa_s, |
f3f2ba2e | 2067 | int ndef, int cr, const char *uuid) |
e65552dd | 2068 | { |
f3f2ba2e | 2069 | struct wpabuf *ret; |
5ab9a6a5 JM |
2070 | if (!cr) |
2071 | return NULL; | |
f3f2ba2e JM |
2072 | ret = wpas_ap_wps_nfc_handover_sel(wpa_s, ndef); |
2073 | if (ret) | |
2074 | return ret; | |
2075 | return wpas_wps_er_nfc_handover_sel(wpa_s, ndef, uuid); | |
e65552dd JM |
2076 | } |
2077 | ||
2078 | ||
2079 | int wpas_wps_nfc_rx_handover_req(struct wpa_supplicant *wpa_s, | |
2080 | const struct wpabuf *data) | |
2081 | { | |
2082 | /* TODO */ | |
2083 | return -1; | |
2084 | } | |
2085 | ||
2086 | ||
2087 | int wpas_wps_nfc_rx_handover_sel(struct wpa_supplicant *wpa_s, | |
2088 | const struct wpabuf *data) | |
2089 | { | |
2090 | struct wpabuf *wps; | |
2091 | int ret; | |
2092 | ||
2093 | wps = ndef_parse_wifi(data); | |
2094 | if (wps == NULL) | |
2095 | return -1; | |
2096 | wpa_printf(MSG_DEBUG, "WPS: Received application/vnd.wfa.wsc " | |
2097 | "payload from NFC connection handover"); | |
2098 | wpa_hexdump_buf_key(MSG_DEBUG, "WPS: NFC payload", wps); | |
2099 | ret = wpas_wps_nfc_tag_process(wpa_s, wps); | |
2100 | wpabuf_free(wps); | |
2101 | ||
2102 | return ret; | |
2103 | } | |
2104 | ||
e4758827 JM |
2105 | |
2106 | int wpas_wps_nfc_report_handover(struct wpa_supplicant *wpa_s, | |
2107 | const struct wpabuf *req, | |
2108 | const struct wpabuf *sel) | |
2109 | { | |
2110 | wpa_printf(MSG_DEBUG, "NFC: WPS connection handover reported"); | |
2111 | wpa_hexdump_buf_key(MSG_DEBUG, "WPS: Carrier record in request", req); | |
2112 | wpa_hexdump_buf_key(MSG_DEBUG, "WPS: Carrier record in select", sel); | |
2113 | return wpas_wps_nfc_rx_handover_sel(wpa_s, sel); | |
2114 | } | |
2115 | ||
3f2c8ba6 | 2116 | #endif /* CONFIG_WPS_NFC */ |
f9f0526b JM |
2117 | |
2118 | ||
2119 | extern int wpa_debug_level; | |
2120 | ||
2121 | static void wpas_wps_dump_ap_info(struct wpa_supplicant *wpa_s) | |
2122 | { | |
2123 | size_t i; | |
2124 | struct os_time now; | |
2125 | ||
2126 | if (wpa_debug_level > MSG_DEBUG) | |
2127 | return; | |
2128 | ||
2129 | if (wpa_s->wps_ap == NULL) | |
2130 | return; | |
2131 | ||
2132 | os_get_time(&now); | |
2133 | ||
2134 | for (i = 0; i < wpa_s->num_wps_ap; i++) { | |
2135 | struct wps_ap_info *ap = &wpa_s->wps_ap[i]; | |
2136 | struct wpa_blacklist *e = wpa_blacklist_get(wpa_s, ap->bssid); | |
2137 | ||
2138 | wpa_printf(MSG_DEBUG, "WPS: AP[%d] " MACSTR " type=%d " | |
2139 | "tries=%d last_attempt=%d sec ago blacklist=%d", | |
2140 | (int) i, MAC2STR(ap->bssid), ap->type, ap->tries, | |
2141 | ap->last_attempt.sec > 0 ? | |
2142 | (int) now.sec - (int) ap->last_attempt.sec : -1, | |
2143 | e ? e->count : 0); | |
2144 | } | |
2145 | } | |
2146 | ||
2147 | ||
2148 | static struct wps_ap_info * wpas_wps_get_ap_info(struct wpa_supplicant *wpa_s, | |
2149 | const u8 *bssid) | |
2150 | { | |
2151 | size_t i; | |
2152 | ||
2153 | if (wpa_s->wps_ap == NULL) | |
2154 | return NULL; | |
2155 | ||
2156 | for (i = 0; i < wpa_s->num_wps_ap; i++) { | |
2157 | struct wps_ap_info *ap = &wpa_s->wps_ap[i]; | |
2158 | if (os_memcmp(ap->bssid, bssid, ETH_ALEN) == 0) | |
2159 | return ap; | |
2160 | } | |
2161 | ||
2162 | return NULL; | |
2163 | } | |
2164 | ||
2165 | ||
2166 | static void wpas_wps_update_ap_info_bss(struct wpa_supplicant *wpa_s, | |
2167 | struct wpa_scan_res *res) | |
2168 | { | |
2169 | struct wpabuf *wps; | |
2170 | enum wps_ap_info_type type; | |
2171 | struct wps_ap_info *ap; | |
2172 | int r; | |
2173 | ||
2174 | if (wpa_scan_get_vendor_ie(res, WPS_IE_VENDOR_TYPE) == NULL) | |
2175 | return; | |
2176 | ||
2177 | wps = wpa_scan_get_vendor_ie_multi(res, WPS_IE_VENDOR_TYPE); | |
2178 | if (wps == NULL) | |
2179 | return; | |
2180 | ||
2181 | r = wps_is_addr_authorized(wps, wpa_s->own_addr, 1); | |
2182 | if (r == 2) | |
2183 | type = WPS_AP_SEL_REG_OUR; | |
2184 | else if (r == 1) | |
2185 | type = WPS_AP_SEL_REG; | |
2186 | else | |
2187 | type = WPS_AP_NOT_SEL_REG; | |
2188 | ||
2189 | wpabuf_free(wps); | |
2190 | ||
2191 | ap = wpas_wps_get_ap_info(wpa_s, res->bssid); | |
2192 | if (ap) { | |
2193 | if (ap->type != type) { | |
2194 | wpa_printf(MSG_DEBUG, "WPS: AP " MACSTR | |
2195 | " changed type %d -> %d", | |
2196 | MAC2STR(res->bssid), ap->type, type); | |
2197 | ap->type = type; | |
a462036a JM |
2198 | if (type != WPS_AP_NOT_SEL_REG) |
2199 | wpa_blacklist_del(wpa_s, ap->bssid); | |
f9f0526b JM |
2200 | } |
2201 | return; | |
2202 | } | |
2203 | ||
2204 | ap = os_realloc_array(wpa_s->wps_ap, wpa_s->num_wps_ap + 1, | |
2205 | sizeof(struct wps_ap_info)); | |
2206 | if (ap == NULL) | |
2207 | return; | |
2208 | ||
2209 | wpa_s->wps_ap = ap; | |
2210 | ap = &wpa_s->wps_ap[wpa_s->num_wps_ap]; | |
2211 | wpa_s->num_wps_ap++; | |
2212 | ||
2213 | os_memset(ap, 0, sizeof(*ap)); | |
2214 | os_memcpy(ap->bssid, res->bssid, ETH_ALEN); | |
2215 | ap->type = type; | |
2216 | wpa_printf(MSG_DEBUG, "WPS: AP " MACSTR " type %d added", | |
2217 | MAC2STR(ap->bssid), ap->type); | |
2218 | } | |
2219 | ||
2220 | ||
2221 | void wpas_wps_update_ap_info(struct wpa_supplicant *wpa_s, | |
2222 | struct wpa_scan_results *scan_res) | |
2223 | { | |
2224 | size_t i; | |
2225 | ||
2226 | for (i = 0; i < scan_res->num; i++) | |
2227 | wpas_wps_update_ap_info_bss(wpa_s, scan_res->res[i]); | |
2228 | ||
2229 | wpas_wps_dump_ap_info(wpa_s); | |
2230 | } | |
2231 | ||
2232 | ||
2233 | void wpas_wps_notify_assoc(struct wpa_supplicant *wpa_s, const u8 *bssid) | |
2234 | { | |
2235 | struct wps_ap_info *ap; | |
2236 | if (!wpa_s->wps_ap_iter) | |
2237 | return; | |
2238 | ap = wpas_wps_get_ap_info(wpa_s, bssid); | |
2239 | if (ap == NULL) | |
2240 | return; | |
2241 | ap->tries++; | |
2242 | os_get_time(&ap->last_attempt); | |
2243 | } |