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afc064fe JM |
1 | /* |
2 | * Interworking (IEEE 802.11u) | |
6ede8a7e | 3 | * Copyright (c) 2011-2013, Qualcomm Atheros, Inc. |
b6a9590b | 4 | * Copyright (c) 2011-2014, Jouni Malinen <j@w1.fi> |
afc064fe | 5 | * |
e22d4d95 JM |
6 | * This software may be distributed under the terms of the BSD license. |
7 | * See README for more details. | |
afc064fe JM |
8 | */ |
9 | ||
10 | #include "includes.h" | |
11 | ||
12 | #include "common.h" | |
13 | #include "common/ieee802_11_defs.h" | |
14 | #include "common/gas.h" | |
b02fe7ff | 15 | #include "common/wpa_ctrl.h" |
7f41c92b | 16 | #include "utils/pcsc_funcs.h" |
d1ec319f | 17 | #include "utils/eloop.h" |
afc064fe | 18 | #include "drivers/driver.h" |
73c41a8f | 19 | #include "eap_common/eap_defs.h" |
8ca93c59 | 20 | #include "eap_peer/eap.h" |
67e1b984 | 21 | #include "eap_peer/eap_methods.h" |
efc58df2 | 22 | #include "eapol_supp/eapol_supp_sm.h" |
6ede8a7e | 23 | #include "rsn_supp/wpa.h" |
afc064fe | 24 | #include "wpa_supplicant_i.h" |
73c41a8f | 25 | #include "config.h" |
5ed7880d | 26 | #include "config_ssid.h" |
afc064fe | 27 | #include "bss.h" |
b02fe7ff | 28 | #include "scan.h" |
67e1b984 | 29 | #include "notify.h" |
270c9a43 | 30 | #include "driver_i.h" |
afc064fe | 31 | #include "gas_query.h" |
2249d714 | 32 | #include "hs20_supplicant.h" |
afc064fe JM |
33 | #include "interworking.h" |
34 | ||
35 | ||
3b840b67 JM |
36 | #if defined(EAP_SIM) | defined(EAP_SIM_DYNAMIC) |
37 | #define INTERWORKING_3GPP | |
38 | #else | |
39 | #if defined(EAP_AKA) | defined(EAP_AKA_DYNAMIC) | |
40 | #define INTERWORKING_3GPP | |
41 | #else | |
42 | #if defined(EAP_AKA_PRIME) | defined(EAP_AKA_PRIME_DYNAMIC) | |
43 | #define INTERWORKING_3GPP | |
44 | #endif | |
45 | #endif | |
46 | #endif | |
47 | ||
afc064fe | 48 | static void interworking_next_anqp_fetch(struct wpa_supplicant *wpa_s); |
b618a469 | 49 | static struct wpa_cred * interworking_credentials_available_realm( |
28f2a7c4 JM |
50 | struct wpa_supplicant *wpa_s, struct wpa_bss *bss, int ignore_bw, |
51 | int *excluded); | |
b618a469 | 52 | static struct wpa_cred * interworking_credentials_available_3gpp( |
28f2a7c4 JM |
53 | struct wpa_supplicant *wpa_s, struct wpa_bss *bss, int ignore_bw, |
54 | int *excluded); | |
afc064fe JM |
55 | |
56 | ||
751ac997 JM |
57 | static int cred_prio_cmp(const struct wpa_cred *a, const struct wpa_cred *b) |
58 | { | |
59 | if (a->priority > b->priority) | |
60 | return 1; | |
61 | if (a->priority < b->priority) | |
62 | return -1; | |
74794891 JM |
63 | if (a->provisioning_sp == NULL || b->provisioning_sp == NULL || |
64 | os_strcmp(a->provisioning_sp, b->provisioning_sp) != 0) | |
65 | return 0; | |
66 | if (a->sp_priority < b->sp_priority) | |
67 | return 1; | |
68 | if (a->sp_priority > b->sp_priority) | |
69 | return -1; | |
751ac997 JM |
70 | return 0; |
71 | } | |
72 | ||
73 | ||
08410f08 JM |
74 | static void interworking_reconnect(struct wpa_supplicant *wpa_s) |
75 | { | |
a8826b18 JM |
76 | unsigned int tried; |
77 | ||
08410f08 JM |
78 | if (wpa_s->wpa_state >= WPA_AUTHENTICATING) { |
79 | wpa_supplicant_cancel_sched_scan(wpa_s); | |
c2805909 | 80 | wpa_s->own_disconnect_req = 1; |
08410f08 JM |
81 | wpa_supplicant_deauthenticate(wpa_s, |
82 | WLAN_REASON_DEAUTH_LEAVING); | |
83 | } | |
84 | wpa_s->disconnected = 0; | |
85 | wpa_s->reassociate = 1; | |
a8826b18 JM |
86 | tried = wpa_s->interworking_fast_assoc_tried; |
87 | wpa_s->interworking_fast_assoc_tried = 1; | |
a594e2a9 | 88 | |
a8826b18 | 89 | if (!tried && wpa_supplicant_fast_associate(wpa_s) >= 0) |
cecdddc1 | 90 | return; |
a594e2a9 | 91 | |
a8826b18 | 92 | wpa_s->interworking_fast_assoc_tried = 0; |
08410f08 JM |
93 | wpa_supplicant_req_scan(wpa_s, 0, 0); |
94 | } | |
95 | ||
96 | ||
afc064fe JM |
97 | static struct wpabuf * anqp_build_req(u16 info_ids[], size_t num_ids, |
98 | struct wpabuf *extra) | |
99 | { | |
100 | struct wpabuf *buf; | |
101 | size_t i; | |
102 | u8 *len_pos; | |
103 | ||
104 | buf = gas_anqp_build_initial_req(0, 4 + num_ids * 2 + | |
105 | (extra ? wpabuf_len(extra) : 0)); | |
106 | if (buf == NULL) | |
107 | return NULL; | |
108 | ||
8ecf2231 JM |
109 | if (num_ids > 0) { |
110 | len_pos = gas_anqp_add_element(buf, ANQP_QUERY_LIST); | |
111 | for (i = 0; i < num_ids; i++) | |
112 | wpabuf_put_le16(buf, info_ids[i]); | |
113 | gas_anqp_set_element_len(buf, len_pos); | |
114 | } | |
afc064fe JM |
115 | if (extra) |
116 | wpabuf_put_buf(buf, extra); | |
117 | ||
118 | gas_anqp_set_len(buf); | |
119 | ||
120 | return buf; | |
121 | } | |
122 | ||
123 | ||
124 | static void interworking_anqp_resp_cb(void *ctx, const u8 *dst, | |
125 | u8 dialog_token, | |
126 | enum gas_query_result result, | |
127 | const struct wpabuf *adv_proto, | |
128 | const struct wpabuf *resp, | |
129 | u16 status_code) | |
130 | { | |
131 | struct wpa_supplicant *wpa_s = ctx; | |
132 | ||
b572df86 JM |
133 | wpa_printf(MSG_DEBUG, "ANQP: Response callback dst=" MACSTR |
134 | " dialog_token=%u result=%d status_code=%u", | |
135 | MAC2STR(dst), dialog_token, result, status_code); | |
afc064fe JM |
136 | anqp_resp_cb(wpa_s, dst, dialog_token, result, adv_proto, resp, |
137 | status_code); | |
138 | interworking_next_anqp_fetch(wpa_s); | |
139 | } | |
140 | ||
141 | ||
7ff83367 JM |
142 | static int cred_with_roaming_consortium(struct wpa_supplicant *wpa_s) |
143 | { | |
144 | struct wpa_cred *cred; | |
145 | ||
146 | for (cred = wpa_s->conf->cred; cred; cred = cred->next) { | |
147 | if (cred->roaming_consortium_len) | |
148 | return 1; | |
f47c1452 JM |
149 | if (cred->required_roaming_consortium_len) |
150 | return 1; | |
5b769527 JM |
151 | if (cred->num_roaming_consortiums) |
152 | return 1; | |
7ff83367 JM |
153 | } |
154 | return 0; | |
155 | } | |
156 | ||
157 | ||
158 | static int cred_with_3gpp(struct wpa_supplicant *wpa_s) | |
159 | { | |
160 | struct wpa_cred *cred; | |
161 | ||
162 | for (cred = wpa_s->conf->cred; cred; cred = cred->next) { | |
163 | if (cred->pcsc || cred->imsi) | |
164 | return 1; | |
165 | } | |
166 | return 0; | |
167 | } | |
168 | ||
169 | ||
170 | static int cred_with_nai_realm(struct wpa_supplicant *wpa_s) | |
171 | { | |
172 | struct wpa_cred *cred; | |
173 | ||
174 | for (cred = wpa_s->conf->cred; cred; cred = cred->next) { | |
175 | if (cred->pcsc || cred->imsi) | |
176 | continue; | |
177 | if (!cred->eap_method) | |
178 | return 1; | |
179 | if (cred->realm && cred->roaming_consortium_len == 0) | |
180 | return 1; | |
181 | } | |
182 | return 0; | |
183 | } | |
184 | ||
185 | ||
186 | static int cred_with_domain(struct wpa_supplicant *wpa_s) | |
187 | { | |
188 | struct wpa_cred *cred; | |
189 | ||
190 | for (cred = wpa_s->conf->cred; cred; cred = cred->next) { | |
bc00053c JM |
191 | if (cred->domain || cred->pcsc || cred->imsi || |
192 | cred->roaming_partner) | |
7ff83367 JM |
193 | return 1; |
194 | } | |
195 | return 0; | |
196 | } | |
197 | ||
198 | ||
4cad9df1 | 199 | #ifdef CONFIG_HS20 |
33fb8c52 | 200 | |
4cad9df1 JM |
201 | static int cred_with_min_backhaul(struct wpa_supplicant *wpa_s) |
202 | { | |
203 | struct wpa_cred *cred; | |
204 | ||
205 | for (cred = wpa_s->conf->cred; cred; cred = cred->next) { | |
206 | if (cred->min_dl_bandwidth_home || | |
207 | cred->min_ul_bandwidth_home || | |
208 | cred->min_dl_bandwidth_roaming || | |
209 | cred->min_ul_bandwidth_roaming) | |
210 | return 1; | |
211 | } | |
212 | return 0; | |
213 | } | |
33fb8c52 JM |
214 | |
215 | ||
216 | static int cred_with_conn_capab(struct wpa_supplicant *wpa_s) | |
217 | { | |
218 | struct wpa_cred *cred; | |
219 | ||
220 | for (cred = wpa_s->conf->cred; cred; cred = cred->next) { | |
221 | if (cred->num_req_conn_capab) | |
222 | return 1; | |
223 | } | |
224 | return 0; | |
225 | } | |
226 | ||
4cad9df1 JM |
227 | #endif /* CONFIG_HS20 */ |
228 | ||
229 | ||
7ff83367 JM |
230 | static int additional_roaming_consortiums(struct wpa_bss *bss) |
231 | { | |
232 | const u8 *ie; | |
233 | ie = wpa_bss_get_ie(bss, WLAN_EID_ROAMING_CONSORTIUM); | |
234 | if (ie == NULL || ie[1] == 0) | |
235 | return 0; | |
236 | return ie[2]; /* Number of ANQP OIs */ | |
237 | } | |
238 | ||
239 | ||
d1ec319f JM |
240 | static void interworking_continue_anqp(void *eloop_ctx, void *sock_ctx) |
241 | { | |
242 | struct wpa_supplicant *wpa_s = eloop_ctx; | |
243 | interworking_next_anqp_fetch(wpa_s); | |
244 | } | |
245 | ||
246 | ||
afc064fe JM |
247 | static int interworking_anqp_send_req(struct wpa_supplicant *wpa_s, |
248 | struct wpa_bss *bss) | |
249 | { | |
250 | struct wpabuf *buf; | |
251 | int ret = 0; | |
252 | int res; | |
7ff83367 JM |
253 | u16 info_ids[8]; |
254 | size_t num_info_ids = 0; | |
afc064fe | 255 | struct wpabuf *extra = NULL; |
7ff83367 | 256 | int all = wpa_s->fetch_all_anqp; |
afc064fe | 257 | |
99805a0e BG |
258 | wpa_msg(wpa_s, MSG_DEBUG, "Interworking: ANQP Query Request to " MACSTR, |
259 | MAC2STR(bss->bssid)); | |
17b8995c | 260 | wpa_s->interworking_gas_bss = bss; |
afc064fe | 261 | |
7ff83367 JM |
262 | info_ids[num_info_ids++] = ANQP_CAPABILITY_LIST; |
263 | if (all) { | |
264 | info_ids[num_info_ids++] = ANQP_VENUE_NAME; | |
265 | info_ids[num_info_ids++] = ANQP_NETWORK_AUTH_TYPE; | |
266 | } | |
267 | if (all || (cred_with_roaming_consortium(wpa_s) && | |
268 | additional_roaming_consortiums(bss))) | |
269 | info_ids[num_info_ids++] = ANQP_ROAMING_CONSORTIUM; | |
270 | if (all) | |
271 | info_ids[num_info_ids++] = ANQP_IP_ADDR_TYPE_AVAILABILITY; | |
272 | if (all || cred_with_nai_realm(wpa_s)) | |
273 | info_ids[num_info_ids++] = ANQP_NAI_REALM; | |
62f736dd | 274 | if (all || cred_with_3gpp(wpa_s)) { |
7ff83367 | 275 | info_ids[num_info_ids++] = ANQP_3GPP_CELLULAR_NETWORK; |
62f736dd JT |
276 | wpa_supplicant_scard_init(wpa_s, NULL); |
277 | } | |
7ff83367 JM |
278 | if (all || cred_with_domain(wpa_s)) |
279 | info_ids[num_info_ids++] = ANQP_DOMAIN_NAME; | |
280 | wpa_hexdump(MSG_DEBUG, "Interworking: ANQP Query info", | |
281 | (u8 *) info_ids, num_info_ids * 2); | |
282 | ||
2249d714 JM |
283 | #ifdef CONFIG_HS20 |
284 | if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE)) { | |
285 | u8 *len_pos; | |
286 | ||
287 | extra = wpabuf_alloc(100); | |
288 | if (!extra) | |
289 | return -1; | |
290 | ||
291 | len_pos = gas_anqp_add_element(extra, ANQP_VENDOR_SPECIFIC); | |
292 | wpabuf_put_be24(extra, OUI_WFA); | |
293 | wpabuf_put_u8(extra, HS20_ANQP_OUI_TYPE); | |
294 | wpabuf_put_u8(extra, HS20_STYPE_QUERY_LIST); | |
295 | wpabuf_put_u8(extra, 0); /* Reserved */ | |
296 | wpabuf_put_u8(extra, HS20_STYPE_CAPABILITY_LIST); | |
4cad9df1 | 297 | if (all) |
7ff83367 JM |
298 | wpabuf_put_u8(extra, |
299 | HS20_STYPE_OPERATOR_FRIENDLY_NAME); | |
4cad9df1 | 300 | if (all || cred_with_min_backhaul(wpa_s)) |
7ff83367 | 301 | wpabuf_put_u8(extra, HS20_STYPE_WAN_METRICS); |
33fb8c52 | 302 | if (all || cred_with_conn_capab(wpa_s)) |
7ff83367 | 303 | wpabuf_put_u8(extra, HS20_STYPE_CONNECTION_CAPABILITY); |
4cad9df1 | 304 | if (all) |
7ff83367 | 305 | wpabuf_put_u8(extra, HS20_STYPE_OPERATING_CLASS); |
baf4c863 | 306 | if (all) { |
1d2215fc | 307 | wpabuf_put_u8(extra, HS20_STYPE_OSU_PROVIDERS_LIST); |
baf4c863 JM |
308 | wpabuf_put_u8(extra, HS20_STYPE_OSU_PROVIDERS_NAI_LIST); |
309 | } | |
2249d714 JM |
310 | gas_anqp_set_element_len(extra, len_pos); |
311 | } | |
312 | #endif /* CONFIG_HS20 */ | |
313 | ||
7ff83367 | 314 | buf = anqp_build_req(info_ids, num_info_ids, extra); |
afc064fe JM |
315 | wpabuf_free(extra); |
316 | if (buf == NULL) | |
317 | return -1; | |
318 | ||
aca4d84e | 319 | res = gas_query_req(wpa_s->gas, bss->bssid, bss->freq, 0, buf, |
afc064fe JM |
320 | interworking_anqp_resp_cb, wpa_s); |
321 | if (res < 0) { | |
99805a0e | 322 | wpa_msg(wpa_s, MSG_DEBUG, "ANQP: Failed to send Query Request"); |
24c694b4 | 323 | wpabuf_free(buf); |
afc064fe | 324 | ret = -1; |
d1ec319f JM |
325 | eloop_register_timeout(0, 0, interworking_continue_anqp, wpa_s, |
326 | NULL); | |
afc064fe | 327 | } else |
99805a0e BG |
328 | wpa_msg(wpa_s, MSG_DEBUG, |
329 | "ANQP: Query started with dialog token %u", res); | |
afc064fe | 330 | |
afc064fe JM |
331 | return ret; |
332 | } | |
333 | ||
334 | ||
73c41a8f JM |
335 | struct nai_realm_eap { |
336 | u8 method; | |
337 | u8 inner_method; | |
338 | enum nai_realm_eap_auth_inner_non_eap inner_non_eap; | |
339 | u8 cred_type; | |
340 | u8 tunneled_cred_type; | |
341 | }; | |
342 | ||
343 | struct nai_realm { | |
344 | u8 encoding; | |
345 | char *realm; | |
346 | u8 eap_count; | |
347 | struct nai_realm_eap *eap; | |
348 | }; | |
349 | ||
350 | ||
351 | static void nai_realm_free(struct nai_realm *realms, u16 count) | |
352 | { | |
353 | u16 i; | |
354 | ||
355 | if (realms == NULL) | |
356 | return; | |
357 | for (i = 0; i < count; i++) { | |
358 | os_free(realms[i].eap); | |
359 | os_free(realms[i].realm); | |
360 | } | |
361 | os_free(realms); | |
362 | } | |
363 | ||
364 | ||
365 | static const u8 * nai_realm_parse_eap(struct nai_realm_eap *e, const u8 *pos, | |
366 | const u8 *end) | |
367 | { | |
368 | u8 elen, auth_count, a; | |
369 | const u8 *e_end; | |
370 | ||
67fea55c | 371 | if (end - pos < 3) { |
73c41a8f JM |
372 | wpa_printf(MSG_DEBUG, "No room for EAP Method fixed fields"); |
373 | return NULL; | |
374 | } | |
375 | ||
376 | elen = *pos++; | |
67fea55c | 377 | if (elen > end - pos || elen < 2) { |
73c41a8f JM |
378 | wpa_printf(MSG_DEBUG, "No room for EAP Method subfield"); |
379 | return NULL; | |
380 | } | |
381 | e_end = pos + elen; | |
382 | e->method = *pos++; | |
383 | auth_count = *pos++; | |
384 | wpa_printf(MSG_DEBUG, "EAP Method: len=%u method=%u auth_count=%u", | |
385 | elen, e->method, auth_count); | |
386 | ||
387 | for (a = 0; a < auth_count; a++) { | |
388 | u8 id, len; | |
389 | ||
67fea55c JM |
390 | if (end - pos < 2) { |
391 | wpa_printf(MSG_DEBUG, | |
392 | "No room for Authentication Parameter subfield header"); | |
73c41a8f JM |
393 | return NULL; |
394 | } | |
395 | ||
396 | id = *pos++; | |
397 | len = *pos++; | |
67fea55c JM |
398 | if (len > end - pos) { |
399 | wpa_printf(MSG_DEBUG, | |
400 | "No room for Authentication Parameter subfield"); | |
401 | return NULL; | |
402 | } | |
73c41a8f JM |
403 | |
404 | switch (id) { | |
405 | case NAI_REALM_EAP_AUTH_NON_EAP_INNER_AUTH: | |
406 | if (len < 1) | |
407 | break; | |
408 | e->inner_non_eap = *pos; | |
409 | if (e->method != EAP_TYPE_TTLS) | |
410 | break; | |
411 | switch (*pos) { | |
412 | case NAI_REALM_INNER_NON_EAP_PAP: | |
413 | wpa_printf(MSG_DEBUG, "EAP-TTLS/PAP"); | |
414 | break; | |
415 | case NAI_REALM_INNER_NON_EAP_CHAP: | |
416 | wpa_printf(MSG_DEBUG, "EAP-TTLS/CHAP"); | |
417 | break; | |
418 | case NAI_REALM_INNER_NON_EAP_MSCHAP: | |
419 | wpa_printf(MSG_DEBUG, "EAP-TTLS/MSCHAP"); | |
420 | break; | |
421 | case NAI_REALM_INNER_NON_EAP_MSCHAPV2: | |
422 | wpa_printf(MSG_DEBUG, "EAP-TTLS/MSCHAPV2"); | |
423 | break; | |
424 | } | |
425 | break; | |
426 | case NAI_REALM_EAP_AUTH_INNER_AUTH_EAP_METHOD: | |
427 | if (len < 1) | |
428 | break; | |
429 | e->inner_method = *pos; | |
430 | wpa_printf(MSG_DEBUG, "Inner EAP method: %u", | |
431 | e->inner_method); | |
432 | break; | |
433 | case NAI_REALM_EAP_AUTH_CRED_TYPE: | |
434 | if (len < 1) | |
435 | break; | |
436 | e->cred_type = *pos; | |
437 | wpa_printf(MSG_DEBUG, "Credential Type: %u", | |
438 | e->cred_type); | |
439 | break; | |
440 | case NAI_REALM_EAP_AUTH_TUNNELED_CRED_TYPE: | |
441 | if (len < 1) | |
442 | break; | |
443 | e->tunneled_cred_type = *pos; | |
444 | wpa_printf(MSG_DEBUG, "Tunneled EAP Method Credential " | |
445 | "Type: %u", e->tunneled_cred_type); | |
446 | break; | |
447 | default: | |
448 | wpa_printf(MSG_DEBUG, "Unsupported Authentication " | |
449 | "Parameter: id=%u len=%u", id, len); | |
450 | wpa_hexdump(MSG_DEBUG, "Authentication Parameter " | |
451 | "Value", pos, len); | |
452 | break; | |
453 | } | |
454 | ||
455 | pos += len; | |
456 | } | |
457 | ||
458 | return e_end; | |
459 | } | |
460 | ||
461 | ||
462 | static const u8 * nai_realm_parse_realm(struct nai_realm *r, const u8 *pos, | |
463 | const u8 *end) | |
464 | { | |
465 | u16 len; | |
466 | const u8 *f_end; | |
467 | u8 realm_len, e; | |
468 | ||
469 | if (end - pos < 4) { | |
470 | wpa_printf(MSG_DEBUG, "No room for NAI Realm Data " | |
471 | "fixed fields"); | |
472 | return NULL; | |
473 | } | |
474 | ||
475 | len = WPA_GET_LE16(pos); /* NAI Realm Data field Length */ | |
476 | pos += 2; | |
67fea55c | 477 | if (len > end - pos || len < 3) { |
73c41a8f JM |
478 | wpa_printf(MSG_DEBUG, "No room for NAI Realm Data " |
479 | "(len=%u; left=%u)", | |
480 | len, (unsigned int) (end - pos)); | |
481 | return NULL; | |
482 | } | |
483 | f_end = pos + len; | |
484 | ||
485 | r->encoding = *pos++; | |
486 | realm_len = *pos++; | |
67fea55c | 487 | if (realm_len > f_end - pos) { |
73c41a8f JM |
488 | wpa_printf(MSG_DEBUG, "No room for NAI Realm " |
489 | "(len=%u; left=%u)", | |
490 | realm_len, (unsigned int) (f_end - pos)); | |
491 | return NULL; | |
492 | } | |
493 | wpa_hexdump_ascii(MSG_DEBUG, "NAI Realm", pos, realm_len); | |
5e24dc8a | 494 | r->realm = dup_binstr(pos, realm_len); |
73c41a8f JM |
495 | if (r->realm == NULL) |
496 | return NULL; | |
73c41a8f JM |
497 | pos += realm_len; |
498 | ||
67fea55c | 499 | if (f_end - pos < 1) { |
73c41a8f JM |
500 | wpa_printf(MSG_DEBUG, "No room for EAP Method Count"); |
501 | return NULL; | |
502 | } | |
503 | r->eap_count = *pos++; | |
504 | wpa_printf(MSG_DEBUG, "EAP Count: %u", r->eap_count); | |
67fea55c | 505 | if (r->eap_count * 3 > f_end - pos) { |
73c41a8f JM |
506 | wpa_printf(MSG_DEBUG, "No room for EAP Methods"); |
507 | return NULL; | |
508 | } | |
f9884c09 | 509 | r->eap = os_calloc(r->eap_count, sizeof(struct nai_realm_eap)); |
73c41a8f JM |
510 | if (r->eap == NULL) |
511 | return NULL; | |
512 | ||
513 | for (e = 0; e < r->eap_count; e++) { | |
514 | pos = nai_realm_parse_eap(&r->eap[e], pos, f_end); | |
515 | if (pos == NULL) | |
516 | return NULL; | |
517 | } | |
518 | ||
519 | return f_end; | |
520 | } | |
521 | ||
522 | ||
523 | static struct nai_realm * nai_realm_parse(struct wpabuf *anqp, u16 *count) | |
524 | { | |
525 | struct nai_realm *realm; | |
526 | const u8 *pos, *end; | |
527 | u16 i, num; | |
d84416a2 | 528 | size_t left; |
73c41a8f | 529 | |
d84416a2 JM |
530 | if (anqp == NULL) |
531 | return NULL; | |
532 | left = wpabuf_len(anqp); | |
533 | if (left < 2) | |
73c41a8f JM |
534 | return NULL; |
535 | ||
536 | pos = wpabuf_head_u8(anqp); | |
d84416a2 | 537 | end = pos + left; |
73c41a8f JM |
538 | num = WPA_GET_LE16(pos); |
539 | wpa_printf(MSG_DEBUG, "NAI Realm Count: %u", num); | |
540 | pos += 2; | |
d84416a2 | 541 | left -= 2; |
73c41a8f | 542 | |
d84416a2 | 543 | if (num > left / 5) { |
73c41a8f JM |
544 | wpa_printf(MSG_DEBUG, "Invalid NAI Realm Count %u - not " |
545 | "enough data (%u octets) for that many realms", | |
d84416a2 | 546 | num, (unsigned int) left); |
73c41a8f JM |
547 | return NULL; |
548 | } | |
549 | ||
f9884c09 | 550 | realm = os_calloc(num, sizeof(struct nai_realm)); |
73c41a8f JM |
551 | if (realm == NULL) |
552 | return NULL; | |
553 | ||
554 | for (i = 0; i < num; i++) { | |
555 | pos = nai_realm_parse_realm(&realm[i], pos, end); | |
556 | if (pos == NULL) { | |
557 | nai_realm_free(realm, num); | |
558 | return NULL; | |
559 | } | |
560 | } | |
561 | ||
562 | *count = num; | |
563 | return realm; | |
564 | } | |
565 | ||
566 | ||
567 | static int nai_realm_match(struct nai_realm *realm, const char *home_realm) | |
568 | { | |
569 | char *tmp, *pos, *end; | |
570 | int match = 0; | |
571 | ||
3b840b67 | 572 | if (realm->realm == NULL || home_realm == NULL) |
73c41a8f JM |
573 | return 0; |
574 | ||
575 | if (os_strchr(realm->realm, ';') == NULL) | |
576 | return os_strcasecmp(realm->realm, home_realm) == 0; | |
577 | ||
578 | tmp = os_strdup(realm->realm); | |
579 | if (tmp == NULL) | |
580 | return 0; | |
581 | ||
582 | pos = tmp; | |
583 | while (*pos) { | |
584 | end = os_strchr(pos, ';'); | |
585 | if (end) | |
586 | *end = '\0'; | |
587 | if (os_strcasecmp(pos, home_realm) == 0) { | |
588 | match = 1; | |
589 | break; | |
590 | } | |
591 | if (end == NULL) | |
592 | break; | |
593 | pos = end + 1; | |
594 | } | |
595 | ||
596 | os_free(tmp); | |
597 | ||
598 | return match; | |
599 | } | |
600 | ||
601 | ||
f45bae5b BG |
602 | static int nai_realm_cred_username(struct wpa_supplicant *wpa_s, |
603 | struct nai_realm_eap *eap) | |
67e1b984 | 604 | { |
f45bae5b BG |
605 | if (eap_get_name(EAP_VENDOR_IETF, eap->method) == NULL) { |
606 | wpa_msg(wpa_s, MSG_DEBUG, | |
607 | "nai-realm-cred-username: EAP method not supported: %d", | |
608 | eap->method); | |
67e1b984 | 609 | return 0; /* method not supported */ |
f45bae5b | 610 | } |
67e1b984 | 611 | |
1f5d2dd3 JM |
612 | if (eap->method != EAP_TYPE_TTLS && eap->method != EAP_TYPE_PEAP && |
613 | eap->method != EAP_TYPE_FAST) { | |
67e1b984 | 614 | /* Only tunneled methods with username/password supported */ |
f45bae5b BG |
615 | wpa_msg(wpa_s, MSG_DEBUG, |
616 | "nai-realm-cred-username: Method: %d is not TTLS, PEAP, or FAST", | |
617 | eap->method); | |
67e1b984 JM |
618 | return 0; |
619 | } | |
620 | ||
1f5d2dd3 | 621 | if (eap->method == EAP_TYPE_PEAP || eap->method == EAP_TYPE_FAST) { |
03c961e5 | 622 | if (eap->inner_method && |
f45bae5b BG |
623 | eap_get_name(EAP_VENDOR_IETF, eap->inner_method) == NULL) { |
624 | wpa_msg(wpa_s, MSG_DEBUG, | |
625 | "nai-realm-cred-username: PEAP/FAST: Inner method not supported: %d", | |
626 | eap->inner_method); | |
03c961e5 | 627 | return 0; |
f45bae5b | 628 | } |
03c961e5 | 629 | if (!eap->inner_method && |
f45bae5b BG |
630 | eap_get_name(EAP_VENDOR_IETF, EAP_TYPE_MSCHAPV2) == NULL) { |
631 | wpa_msg(wpa_s, MSG_DEBUG, | |
632 | "nai-realm-cred-username: MSCHAPv2 not supported"); | |
03c961e5 | 633 | return 0; |
f45bae5b | 634 | } |
03c961e5 | 635 | } |
67e1b984 JM |
636 | |
637 | if (eap->method == EAP_TYPE_TTLS) { | |
638 | if (eap->inner_method == 0 && eap->inner_non_eap == 0) | |
2047e596 | 639 | return 1; /* Assume TTLS/MSCHAPv2 is used */ |
67e1b984 | 640 | if (eap->inner_method && |
f45bae5b BG |
641 | eap_get_name(EAP_VENDOR_IETF, eap->inner_method) == NULL) { |
642 | wpa_msg(wpa_s, MSG_DEBUG, | |
643 | "nai-realm-cred-username: TTLS, but inner not supported: %d", | |
644 | eap->inner_method); | |
67e1b984 | 645 | return 0; |
f45bae5b | 646 | } |
67e1b984 JM |
647 | if (eap->inner_non_eap && |
648 | eap->inner_non_eap != NAI_REALM_INNER_NON_EAP_PAP && | |
649 | eap->inner_non_eap != NAI_REALM_INNER_NON_EAP_CHAP && | |
650 | eap->inner_non_eap != NAI_REALM_INNER_NON_EAP_MSCHAP && | |
f45bae5b BG |
651 | eap->inner_non_eap != NAI_REALM_INNER_NON_EAP_MSCHAPV2) { |
652 | wpa_msg(wpa_s, MSG_DEBUG, | |
653 | "nai-realm-cred-username: TTLS, inner-non-eap not supported: %d", | |
654 | eap->inner_non_eap); | |
67e1b984 | 655 | return 0; |
f45bae5b | 656 | } |
67e1b984 JM |
657 | } |
658 | ||
659 | if (eap->inner_method && | |
660 | eap->inner_method != EAP_TYPE_GTC && | |
f45bae5b BG |
661 | eap->inner_method != EAP_TYPE_MSCHAPV2) { |
662 | wpa_msg(wpa_s, MSG_DEBUG, | |
663 | "nai-realm-cred-username: inner-method not GTC or MSCHAPv2: %d", | |
664 | eap->inner_method); | |
67e1b984 | 665 | return 0; |
f45bae5b | 666 | } |
67e1b984 JM |
667 | |
668 | return 1; | |
669 | } | |
670 | ||
671 | ||
f45bae5b BG |
672 | static int nai_realm_cred_cert(struct wpa_supplicant *wpa_s, |
673 | struct nai_realm_eap *eap) | |
11e4f46a | 674 | { |
f45bae5b BG |
675 | if (eap_get_name(EAP_VENDOR_IETF, eap->method) == NULL) { |
676 | wpa_msg(wpa_s, MSG_DEBUG, | |
677 | "nai-realm-cred-cert: Method not supported: %d", | |
678 | eap->method); | |
11e4f46a | 679 | return 0; /* method not supported */ |
f45bae5b | 680 | } |
11e4f46a JM |
681 | |
682 | if (eap->method != EAP_TYPE_TLS) { | |
683 | /* Only EAP-TLS supported for credential authentication */ | |
f45bae5b BG |
684 | wpa_msg(wpa_s, MSG_DEBUG, |
685 | "nai-realm-cred-cert: Method not TLS: %d", | |
686 | eap->method); | |
11e4f46a JM |
687 | return 0; |
688 | } | |
689 | ||
690 | return 1; | |
691 | } | |
692 | ||
693 | ||
f45bae5b BG |
694 | static struct nai_realm_eap * nai_realm_find_eap(struct wpa_supplicant *wpa_s, |
695 | struct wpa_cred *cred, | |
19df9b07 | 696 | struct nai_realm *realm) |
67e1b984 JM |
697 | { |
698 | u8 e; | |
699 | ||
5a5aab7f | 700 | if (cred->username == NULL || |
1bb7b8e8 | 701 | cred->username[0] == '\0' || |
11e4f46a JM |
702 | ((cred->password == NULL || |
703 | cred->password[0] == '\0') && | |
704 | (cred->private_key == NULL || | |
f45bae5b BG |
705 | cred->private_key[0] == '\0'))) { |
706 | wpa_msg(wpa_s, MSG_DEBUG, | |
707 | "nai-realm-find-eap: incomplete cred info: username: %s password: %s private_key: %s", | |
708 | cred->username ? cred->username : "NULL", | |
709 | cred->password ? cred->password : "NULL", | |
710 | cred->private_key ? cred->private_key : "NULL"); | |
67e1b984 | 711 | return NULL; |
f45bae5b | 712 | } |
67e1b984 JM |
713 | |
714 | for (e = 0; e < realm->eap_count; e++) { | |
715 | struct nai_realm_eap *eap = &realm->eap[e]; | |
11e4f46a | 716 | if (cred->password && cred->password[0] && |
f45bae5b | 717 | nai_realm_cred_username(wpa_s, eap)) |
11e4f46a JM |
718 | return eap; |
719 | if (cred->private_key && cred->private_key[0] && | |
f45bae5b | 720 | nai_realm_cred_cert(wpa_s, eap)) |
67e1b984 JM |
721 | return eap; |
722 | } | |
723 | ||
724 | return NULL; | |
725 | } | |
726 | ||
727 | ||
3b840b67 JM |
728 | #ifdef INTERWORKING_3GPP |
729 | ||
c21246f5 | 730 | static int plmn_id_match(struct wpabuf *anqp, const char *imsi, int mnc_len) |
3b840b67 | 731 | { |
0b9d3b22 | 732 | u8 plmn[3], plmn2[3]; |
3b840b67 JM |
733 | const u8 *pos, *end; |
734 | u8 udhl; | |
735 | ||
0b9d3b22 JM |
736 | /* |
737 | * See Annex A of 3GPP TS 24.234 v8.1.0 for description. The network | |
738 | * operator is allowed to include only two digits of the MNC, so allow | |
739 | * matches based on both two and three digit MNC assumptions. Since some | |
740 | * SIM/USIM cards may not expose MNC length conveniently, we may be | |
741 | * provided the default MNC length 3 here and as such, checking with MNC | |
742 | * length 2 is justifiable even though 3GPP TS 24.234 does not mention | |
743 | * that case. Anyway, MCC/MNC pair where both 2 and 3 digit MNC is used | |
744 | * with otherwise matching values would not be good idea in general, so | |
745 | * this should not result in selecting incorrect networks. | |
746 | */ | |
747 | /* Match with 3 digit MNC */ | |
3b840b67 | 748 | plmn[0] = (imsi[0] - '0') | ((imsi[1] - '0') << 4); |
0b9d3b22 | 749 | plmn[1] = (imsi[2] - '0') | ((imsi[5] - '0') << 4); |
3b840b67 | 750 | plmn[2] = (imsi[3] - '0') | ((imsi[4] - '0') << 4); |
0b9d3b22 JM |
751 | /* Match with 2 digit MNC */ |
752 | plmn2[0] = (imsi[0] - '0') | ((imsi[1] - '0') << 4); | |
753 | plmn2[1] = (imsi[2] - '0') | 0xf0; | |
754 | plmn2[2] = (imsi[3] - '0') | ((imsi[4] - '0') << 4); | |
3b840b67 JM |
755 | |
756 | if (anqp == NULL) | |
757 | return 0; | |
758 | pos = wpabuf_head_u8(anqp); | |
759 | end = pos + wpabuf_len(anqp); | |
67fea55c | 760 | if (end - pos < 2) |
3b840b67 JM |
761 | return 0; |
762 | if (*pos != 0) { | |
763 | wpa_printf(MSG_DEBUG, "Unsupported GUD version 0x%x", *pos); | |
764 | return 0; | |
765 | } | |
766 | pos++; | |
767 | udhl = *pos++; | |
67fea55c | 768 | if (udhl > end - pos) { |
3b840b67 JM |
769 | wpa_printf(MSG_DEBUG, "Invalid UDHL"); |
770 | return 0; | |
771 | } | |
772 | end = pos + udhl; | |
773 | ||
0b9d3b22 JM |
774 | wpa_printf(MSG_DEBUG, "Interworking: Matching against MCC/MNC alternatives: %02x:%02x:%02x or %02x:%02x:%02x (IMSI %s, MNC length %d)", |
775 | plmn[0], plmn[1], plmn[2], plmn2[0], plmn2[1], plmn2[2], | |
776 | imsi, mnc_len); | |
777 | ||
67fea55c | 778 | while (end - pos >= 2) { |
3b840b67 JM |
779 | u8 iei, len; |
780 | const u8 *l_end; | |
781 | iei = *pos++; | |
782 | len = *pos++ & 0x7f; | |
67fea55c | 783 | if (len > end - pos) |
3b840b67 JM |
784 | break; |
785 | l_end = pos + len; | |
786 | ||
787 | if (iei == 0 && len > 0) { | |
788 | /* PLMN List */ | |
789 | u8 num, i; | |
0b9d3b22 JM |
790 | wpa_hexdump(MSG_DEBUG, "Interworking: PLMN List information element", |
791 | pos, len); | |
3b840b67 JM |
792 | num = *pos++; |
793 | for (i = 0; i < num; i++) { | |
67fea55c | 794 | if (l_end - pos < 3) |
3b840b67 | 795 | break; |
0b9d3b22 JM |
796 | if (os_memcmp(pos, plmn, 3) == 0 || |
797 | os_memcmp(pos, plmn2, 3) == 0) | |
3b840b67 | 798 | return 1; /* Found matching PLMN */ |
8f234012 | 799 | pos += 3; |
3b840b67 | 800 | } |
0b9d3b22 JM |
801 | } else { |
802 | wpa_hexdump(MSG_DEBUG, "Interworking: Unrecognized 3GPP information element", | |
803 | pos, len); | |
3b840b67 JM |
804 | } |
805 | ||
806 | pos = l_end; | |
807 | } | |
808 | ||
809 | return 0; | |
810 | } | |
811 | ||
812 | ||
d8e59fea | 813 | static int build_root_nai(char *nai, size_t nai_len, const char *imsi, |
632c9458 | 814 | size_t mnc_len, char prefix) |
3b840b67 JM |
815 | { |
816 | const char *sep, *msin; | |
9914c96f | 817 | char *end, *pos; |
3b840b67 JM |
818 | size_t msin_len, plmn_len; |
819 | ||
820 | /* | |
821 | * TS 23.003, Clause 14 (3GPP to WLAN Interworking) | |
822 | * Root NAI: | |
823 | * <aka:0|sim:1><IMSI>@wlan.mnc<MNC>.mcc<MCC>.3gppnetwork.org | |
824 | * <MNC> is zero-padded to three digits in case two-digit MNC is used | |
825 | */ | |
826 | ||
827 | if (imsi == NULL || os_strlen(imsi) > 16) { | |
828 | wpa_printf(MSG_DEBUG, "No valid IMSI available"); | |
829 | return -1; | |
830 | } | |
831 | sep = os_strchr(imsi, '-'); | |
632c9458 JM |
832 | if (sep) { |
833 | plmn_len = sep - imsi; | |
834 | msin = sep + 1; | |
835 | } else if (mnc_len && os_strlen(imsi) >= 3 + mnc_len) { | |
836 | plmn_len = 3 + mnc_len; | |
837 | msin = imsi + plmn_len; | |
838 | } else | |
3b840b67 | 839 | return -1; |
3b840b67 JM |
840 | if (plmn_len != 5 && plmn_len != 6) |
841 | return -1; | |
3b840b67 JM |
842 | msin_len = os_strlen(msin); |
843 | ||
844 | pos = nai; | |
d8e59fea | 845 | end = nai + nai_len; |
9914c96f JM |
846 | if (prefix) |
847 | *pos++ = prefix; | |
3b840b67 JM |
848 | os_memcpy(pos, imsi, plmn_len); |
849 | pos += plmn_len; | |
850 | os_memcpy(pos, msin, msin_len); | |
851 | pos += msin_len; | |
852 | pos += os_snprintf(pos, end - pos, "@wlan.mnc"); | |
853 | if (plmn_len == 5) { | |
854 | *pos++ = '0'; | |
855 | *pos++ = imsi[3]; | |
856 | *pos++ = imsi[4]; | |
857 | } else { | |
858 | *pos++ = imsi[3]; | |
859 | *pos++ = imsi[4]; | |
860 | *pos++ = imsi[5]; | |
861 | } | |
5dbbf369 JM |
862 | os_snprintf(pos, end - pos, ".mcc%c%c%c.3gppnetwork.org", |
863 | imsi[0], imsi[1], imsi[2]); | |
3b840b67 | 864 | |
9914c96f JM |
865 | return 0; |
866 | } | |
867 | ||
868 | ||
869 | static int set_root_nai(struct wpa_ssid *ssid, const char *imsi, char prefix) | |
870 | { | |
871 | char nai[100]; | |
632c9458 | 872 | if (build_root_nai(nai, sizeof(nai), imsi, 0, prefix) < 0) |
9914c96f | 873 | return -1; |
3b840b67 JM |
874 | return wpa_config_set_quoted(ssid, "identity", nai); |
875 | } | |
876 | ||
877 | #endif /* INTERWORKING_3GPP */ | |
878 | ||
879 | ||
d28f4e44 JM |
880 | static int already_connected(struct wpa_supplicant *wpa_s, |
881 | struct wpa_cred *cred, struct wpa_bss *bss) | |
882 | { | |
b7fb98f0 JM |
883 | struct wpa_ssid *ssid, *sel_ssid; |
884 | struct wpa_bss *selected; | |
d28f4e44 JM |
885 | |
886 | if (wpa_s->wpa_state < WPA_ASSOCIATED || wpa_s->current_ssid == NULL) | |
887 | return 0; | |
888 | ||
889 | ssid = wpa_s->current_ssid; | |
890 | if (ssid->parent_cred != cred) | |
891 | return 0; | |
892 | ||
893 | if (ssid->ssid_len != bss->ssid_len || | |
894 | os_memcmp(ssid->ssid, bss->ssid, bss->ssid_len) != 0) | |
895 | return 0; | |
896 | ||
b7fb98f0 JM |
897 | sel_ssid = NULL; |
898 | selected = wpa_supplicant_pick_network(wpa_s, &sel_ssid); | |
899 | if (selected && sel_ssid && sel_ssid->priority > ssid->priority) | |
900 | return 0; /* higher priority network in scan results */ | |
901 | ||
d28f4e44 JM |
902 | return 1; |
903 | } | |
904 | ||
905 | ||
6ede8a7e JM |
906 | static void remove_duplicate_network(struct wpa_supplicant *wpa_s, |
907 | struct wpa_cred *cred, | |
908 | struct wpa_bss *bss) | |
909 | { | |
910 | struct wpa_ssid *ssid; | |
911 | ||
912 | for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) { | |
913 | if (ssid->parent_cred != cred) | |
914 | continue; | |
915 | if (ssid->ssid_len != bss->ssid_len || | |
916 | os_memcmp(ssid->ssid, bss->ssid, bss->ssid_len) != 0) | |
917 | continue; | |
918 | ||
919 | break; | |
920 | } | |
921 | ||
922 | if (ssid == NULL) | |
923 | return; | |
924 | ||
925 | wpa_printf(MSG_DEBUG, "Interworking: Remove duplicate network entry for the same credential"); | |
926 | ||
927 | if (ssid == wpa_s->current_ssid) { | |
928 | wpa_sm_set_config(wpa_s->wpa, NULL); | |
929 | eapol_sm_notify_config(wpa_s->eapol, NULL, NULL); | |
c2805909 | 930 | wpa_s->own_disconnect_req = 1; |
6ede8a7e JM |
931 | wpa_supplicant_deauthenticate(wpa_s, |
932 | WLAN_REASON_DEAUTH_LEAVING); | |
933 | } | |
934 | ||
935 | wpas_notify_network_removed(wpa_s, ssid); | |
936 | wpa_config_remove_network(wpa_s->conf, ssid->id); | |
937 | } | |
938 | ||
939 | ||
3c8e4ec0 JM |
940 | static int interworking_set_hs20_params(struct wpa_supplicant *wpa_s, |
941 | struct wpa_ssid *ssid) | |
8601b503 | 942 | { |
270c9a43 JM |
943 | const char *key_mgmt = NULL; |
944 | #ifdef CONFIG_IEEE80211R | |
945 | int res; | |
946 | struct wpa_driver_capa capa; | |
947 | ||
948 | res = wpa_drv_get_capa(wpa_s, &capa); | |
949 | if (res == 0 && capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_FT) { | |
950 | key_mgmt = wpa_s->conf->pmf != NO_MGMT_FRAME_PROTECTION ? | |
951 | "WPA-EAP WPA-EAP-SHA256 FT-EAP" : | |
952 | "WPA-EAP FT-EAP"; | |
953 | } | |
954 | #endif /* CONFIG_IEEE80211R */ | |
955 | ||
956 | if (!key_mgmt) | |
957 | key_mgmt = wpa_s->conf->pmf != NO_MGMT_FRAME_PROTECTION ? | |
958 | "WPA-EAP WPA-EAP-SHA256" : "WPA-EAP"; | |
f7c04e50 JM |
959 | if (wpa_config_set(ssid, "key_mgmt", key_mgmt, 0) < 0 || |
960 | wpa_config_set(ssid, "proto", "RSN", 0) < 0 || | |
f44d760c | 961 | wpa_config_set(ssid, "ieee80211w", "1", 0) < 0 || |
f7c04e50 | 962 | wpa_config_set(ssid, "pairwise", "CCMP", 0) < 0) |
8601b503 JM |
963 | return -1; |
964 | return 0; | |
965 | } | |
966 | ||
967 | ||
3b840b67 | 968 | static int interworking_connect_3gpp(struct wpa_supplicant *wpa_s, |
b618a469 | 969 | struct wpa_cred *cred, |
f91a512f | 970 | struct wpa_bss *bss, int only_add) |
3b840b67 JM |
971 | { |
972 | #ifdef INTERWORKING_3GPP | |
973 | struct wpa_ssid *ssid; | |
7e414b21 JM |
974 | int eap_type; |
975 | int res; | |
976 | char prefix; | |
3b840b67 | 977 | |
476aed35 | 978 | if (bss->anqp == NULL || bss->anqp->anqp_3gpp == NULL) |
1bb7b8e8 JM |
979 | return -1; |
980 | ||
99805a0e BG |
981 | wpa_msg(wpa_s, MSG_DEBUG, "Interworking: Connect with " MACSTR |
982 | " (3GPP)", MAC2STR(bss->bssid)); | |
3b840b67 | 983 | |
d28f4e44 JM |
984 | if (already_connected(wpa_s, cred, bss)) { |
985 | wpa_msg(wpa_s, MSG_INFO, INTERWORKING_ALREADY_CONNECTED MACSTR, | |
986 | MAC2STR(bss->bssid)); | |
f91a512f | 987 | return wpa_s->current_ssid->id; |
d28f4e44 JM |
988 | } |
989 | ||
6ede8a7e JM |
990 | remove_duplicate_network(wpa_s, cred, bss); |
991 | ||
3b840b67 JM |
992 | ssid = wpa_config_add_network(wpa_s->conf); |
993 | if (ssid == NULL) | |
994 | return -1; | |
736d4f2d | 995 | ssid->parent_cred = cred; |
3b840b67 JM |
996 | |
997 | wpas_notify_network_added(wpa_s, ssid); | |
998 | wpa_config_set_network_defaults(ssid); | |
1a712d2f | 999 | ssid->priority = cred->priority; |
3b840b67 | 1000 | ssid->temporary = 1; |
08b26779 | 1001 | ssid->ssid = os_zalloc(bss->ssid_len + 1); |
3b840b67 JM |
1002 | if (ssid->ssid == NULL) |
1003 | goto fail; | |
08b26779 JM |
1004 | os_memcpy(ssid->ssid, bss->ssid, bss->ssid_len); |
1005 | ssid->ssid_len = bss->ssid_len; | |
13f6a07e | 1006 | ssid->eap.sim_num = cred->sim_num; |
3b840b67 | 1007 | |
3c8e4ec0 | 1008 | if (interworking_set_hs20_params(wpa_s, ssid) < 0) |
1ecd2ada JM |
1009 | goto fail; |
1010 | ||
7e414b21 JM |
1011 | eap_type = EAP_TYPE_SIM; |
1012 | if (cred->pcsc && wpa_s->scard && scard_supports_umts(wpa_s->scard)) | |
1013 | eap_type = EAP_TYPE_AKA; | |
1014 | if (cred->eap_method && cred->eap_method[0].vendor == EAP_VENDOR_IETF) { | |
1015 | if (cred->eap_method[0].method == EAP_TYPE_SIM || | |
1016 | cred->eap_method[0].method == EAP_TYPE_AKA || | |
1017 | cred->eap_method[0].method == EAP_TYPE_AKA_PRIME) | |
1018 | eap_type = cred->eap_method[0].method; | |
1019 | } | |
1020 | ||
1021 | switch (eap_type) { | |
1022 | case EAP_TYPE_SIM: | |
1023 | prefix = '1'; | |
1024 | res = wpa_config_set(ssid, "eap", "SIM", 0); | |
1025 | break; | |
1026 | case EAP_TYPE_AKA: | |
1027 | prefix = '0'; | |
1028 | res = wpa_config_set(ssid, "eap", "AKA", 0); | |
1029 | break; | |
1030 | case EAP_TYPE_AKA_PRIME: | |
1031 | prefix = '6'; | |
1032 | res = wpa_config_set(ssid, "eap", "AKA'", 0); | |
1033 | break; | |
1034 | default: | |
1035 | res = -1; | |
1036 | break; | |
1037 | } | |
1038 | if (res < 0) { | |
99805a0e BG |
1039 | wpa_msg(wpa_s, MSG_DEBUG, |
1040 | "Selected EAP method (%d) not supported", eap_type); | |
3b840b67 JM |
1041 | goto fail; |
1042 | } | |
7e414b21 JM |
1043 | |
1044 | if (!cred->pcsc && set_root_nai(ssid, cred->imsi, prefix) < 0) { | |
99805a0e | 1045 | wpa_msg(wpa_s, MSG_DEBUG, "Failed to set Root NAI"); |
3b840b67 JM |
1046 | goto fail; |
1047 | } | |
1048 | ||
1bb7b8e8 | 1049 | if (cred->milenage && cred->milenage[0]) { |
3b840b67 | 1050 | if (wpa_config_set_quoted(ssid, "password", |
1bb7b8e8 | 1051 | cred->milenage) < 0) |
3b840b67 | 1052 | goto fail; |
d7b01abd | 1053 | } else if (cred->pcsc) { |
3b840b67 JM |
1054 | if (wpa_config_set_quoted(ssid, "pcsc", "") < 0) |
1055 | goto fail; | |
d7b01abd JM |
1056 | if (wpa_s->conf->pcsc_pin && |
1057 | wpa_config_set_quoted(ssid, "pin", wpa_s->conf->pcsc_pin) | |
1058 | < 0) | |
1059 | goto fail; | |
3b840b67 JM |
1060 | } |
1061 | ||
3d910ef4 | 1062 | wpa_s->next_ssid = ssid; |
1a712d2f | 1063 | wpa_config_update_prio_list(wpa_s->conf); |
f91a512f JM |
1064 | if (!only_add) |
1065 | interworking_reconnect(wpa_s); | |
3b840b67 | 1066 | |
f91a512f | 1067 | return ssid->id; |
3b840b67 JM |
1068 | |
1069 | fail: | |
1070 | wpas_notify_network_removed(wpa_s, ssid); | |
1071 | wpa_config_remove_network(wpa_s->conf, ssid->id); | |
1072 | #endif /* INTERWORKING_3GPP */ | |
1073 | return -1; | |
1074 | } | |
1075 | ||
1076 | ||
955567bc JM |
1077 | static int roaming_consortium_element_match(const u8 *ie, const u8 *rc_id, |
1078 | size_t rc_len) | |
1079 | { | |
1080 | const u8 *pos, *end; | |
1081 | u8 lens; | |
1082 | ||
1083 | if (ie == NULL) | |
1084 | return 0; | |
1085 | ||
1086 | pos = ie + 2; | |
1087 | end = ie + 2 + ie[1]; | |
1088 | ||
1089 | /* Roaming Consortium element: | |
1090 | * Number of ANQP OIs | |
1091 | * OI #1 and #2 lengths | |
1092 | * OI #1, [OI #2], [OI #3] | |
1093 | */ | |
1094 | ||
67fea55c | 1095 | if (end - pos < 2) |
955567bc JM |
1096 | return 0; |
1097 | ||
1098 | pos++; /* skip Number of ANQP OIs */ | |
1099 | lens = *pos++; | |
67fea55c | 1100 | if ((lens & 0x0f) + (lens >> 4) > end - pos) |
955567bc JM |
1101 | return 0; |
1102 | ||
1103 | if ((lens & 0x0f) == rc_len && os_memcmp(pos, rc_id, rc_len) == 0) | |
1104 | return 1; | |
1105 | pos += lens & 0x0f; | |
1106 | ||
1107 | if ((lens >> 4) == rc_len && os_memcmp(pos, rc_id, rc_len) == 0) | |
1108 | return 1; | |
1109 | pos += lens >> 4; | |
1110 | ||
1111 | if (pos < end && (size_t) (end - pos) == rc_len && | |
1112 | os_memcmp(pos, rc_id, rc_len) == 0) | |
1113 | return 1; | |
1114 | ||
1115 | return 0; | |
1116 | } | |
1117 | ||
1118 | ||
1119 | static int roaming_consortium_anqp_match(const struct wpabuf *anqp, | |
1120 | const u8 *rc_id, size_t rc_len) | |
1121 | { | |
1122 | const u8 *pos, *end; | |
1123 | u8 len; | |
1124 | ||
1125 | if (anqp == NULL) | |
1126 | return 0; | |
1127 | ||
1128 | pos = wpabuf_head(anqp); | |
1129 | end = pos + wpabuf_len(anqp); | |
1130 | ||
1131 | /* Set of <OI Length, OI> duples */ | |
1132 | while (pos < end) { | |
1133 | len = *pos++; | |
67fea55c | 1134 | if (len > end - pos) |
955567bc JM |
1135 | break; |
1136 | if (len == rc_len && os_memcmp(pos, rc_id, rc_len) == 0) | |
1137 | return 1; | |
1138 | pos += len; | |
1139 | } | |
1140 | ||
1141 | return 0; | |
1142 | } | |
1143 | ||
1144 | ||
1145 | static int roaming_consortium_match(const u8 *ie, const struct wpabuf *anqp, | |
1146 | const u8 *rc_id, size_t rc_len) | |
1147 | { | |
1148 | return roaming_consortium_element_match(ie, rc_id, rc_len) || | |
1149 | roaming_consortium_anqp_match(anqp, rc_id, rc_len); | |
1150 | } | |
1151 | ||
1152 | ||
5b769527 JM |
1153 | static int cred_roaming_consortiums_match(const u8 *ie, |
1154 | const struct wpabuf *anqp, | |
1155 | const struct wpa_cred *cred) | |
1156 | { | |
1157 | unsigned int i; | |
1158 | ||
1159 | for (i = 0; i < cred->num_roaming_consortiums; i++) { | |
1160 | if (roaming_consortium_match(ie, anqp, | |
1161 | cred->roaming_consortiums[i], | |
1162 | cred->roaming_consortiums_len[i])) | |
1163 | return 1; | |
1164 | } | |
1165 | ||
1166 | return 0; | |
1167 | } | |
1168 | ||
1169 | ||
f47c1452 JM |
1170 | static int cred_no_required_oi_match(struct wpa_cred *cred, struct wpa_bss *bss) |
1171 | { | |
1172 | const u8 *ie; | |
1173 | ||
1174 | if (cred->required_roaming_consortium_len == 0) | |
1175 | return 0; | |
1176 | ||
1177 | ie = wpa_bss_get_ie(bss, WLAN_EID_ROAMING_CONSORTIUM); | |
1178 | ||
1179 | if (ie == NULL && | |
1180 | (bss->anqp == NULL || bss->anqp->roaming_consortium == NULL)) | |
1181 | return 1; | |
1182 | ||
1183 | return !roaming_consortium_match(ie, | |
1184 | bss->anqp ? | |
1185 | bss->anqp->roaming_consortium : NULL, | |
1186 | cred->required_roaming_consortium, | |
1187 | cred->required_roaming_consortium_len); | |
1188 | } | |
1189 | ||
1190 | ||
dbea8ac7 JM |
1191 | static int cred_excluded_ssid(struct wpa_cred *cred, struct wpa_bss *bss) |
1192 | { | |
1193 | size_t i; | |
1194 | ||
1195 | if (!cred->excluded_ssid) | |
1196 | return 0; | |
1197 | ||
1198 | for (i = 0; i < cred->num_excluded_ssid; i++) { | |
1199 | struct excluded_ssid *e = &cred->excluded_ssid[i]; | |
1200 | if (bss->ssid_len == e->ssid_len && | |
1201 | os_memcmp(bss->ssid, e->ssid, e->ssid_len) == 0) | |
1202 | return 1; | |
1203 | } | |
1204 | ||
1205 | return 0; | |
1206 | } | |
1207 | ||
1208 | ||
4cad9df1 JM |
1209 | static int cred_below_min_backhaul(struct wpa_supplicant *wpa_s, |
1210 | struct wpa_cred *cred, struct wpa_bss *bss) | |
1211 | { | |
876e74aa | 1212 | #ifdef CONFIG_HS20 |
4cad9df1 JM |
1213 | int res; |
1214 | unsigned int dl_bandwidth, ul_bandwidth; | |
1215 | const u8 *wan; | |
1216 | u8 wan_info, dl_load, ul_load; | |
1217 | u16 lmd; | |
1218 | u32 ul_speed, dl_speed; | |
1219 | ||
1220 | if (!cred->min_dl_bandwidth_home && | |
1221 | !cred->min_ul_bandwidth_home && | |
1222 | !cred->min_dl_bandwidth_roaming && | |
1223 | !cred->min_ul_bandwidth_roaming) | |
1224 | return 0; /* No bandwidth constraint specified */ | |
1225 | ||
1226 | if (bss->anqp == NULL || bss->anqp->hs20_wan_metrics == NULL) | |
1227 | return 0; /* No WAN Metrics known - ignore constraint */ | |
1228 | ||
1229 | wan = wpabuf_head(bss->anqp->hs20_wan_metrics); | |
1230 | wan_info = wan[0]; | |
1231 | if (wan_info & BIT(3)) | |
1232 | return 1; /* WAN link at capacity */ | |
1233 | lmd = WPA_GET_LE16(wan + 11); | |
1234 | if (lmd == 0) | |
1235 | return 0; /* Downlink/Uplink Load was not measured */ | |
1236 | dl_speed = WPA_GET_LE32(wan + 1); | |
1237 | ul_speed = WPA_GET_LE32(wan + 5); | |
1238 | dl_load = wan[9]; | |
1239 | ul_load = wan[10]; | |
1240 | ||
1241 | if (dl_speed >= 0xffffff) | |
1242 | dl_bandwidth = dl_speed / 255 * (255 - dl_load); | |
1243 | else | |
1244 | dl_bandwidth = dl_speed * (255 - dl_load) / 255; | |
1245 | ||
1246 | if (ul_speed >= 0xffffff) | |
1247 | ul_bandwidth = ul_speed / 255 * (255 - ul_load); | |
1248 | else | |
1249 | ul_bandwidth = ul_speed * (255 - ul_load) / 255; | |
1250 | ||
1251 | res = interworking_home_sp_cred(wpa_s, cred, bss->anqp ? | |
1252 | bss->anqp->domain_name : NULL); | |
1253 | if (res > 0) { | |
1254 | if (cred->min_dl_bandwidth_home > dl_bandwidth) | |
1255 | return 1; | |
1256 | if (cred->min_ul_bandwidth_home > ul_bandwidth) | |
1257 | return 1; | |
1258 | } else { | |
1259 | if (cred->min_dl_bandwidth_roaming > dl_bandwidth) | |
1260 | return 1; | |
1261 | if (cred->min_ul_bandwidth_roaming > ul_bandwidth) | |
1262 | return 1; | |
1263 | } | |
876e74aa | 1264 | #endif /* CONFIG_HS20 */ |
4cad9df1 JM |
1265 | |
1266 | return 0; | |
1267 | } | |
1268 | ||
1269 | ||
a45b2dc5 JM |
1270 | static int cred_over_max_bss_load(struct wpa_supplicant *wpa_s, |
1271 | struct wpa_cred *cred, struct wpa_bss *bss) | |
1272 | { | |
1273 | const u8 *ie; | |
1274 | int res; | |
1275 | ||
1276 | if (!cred->max_bss_load) | |
1277 | return 0; /* No BSS Load constraint specified */ | |
1278 | ||
1279 | ie = wpa_bss_get_ie(bss, WLAN_EID_BSS_LOAD); | |
1280 | if (ie == NULL || ie[1] < 3) | |
1281 | return 0; /* No BSS Load advertised */ | |
1282 | ||
1283 | res = interworking_home_sp_cred(wpa_s, cred, bss->anqp ? | |
1284 | bss->anqp->domain_name : NULL); | |
1285 | if (res <= 0) | |
1286 | return 0; /* Not a home network */ | |
1287 | ||
1288 | return ie[4] > cred->max_bss_load; | |
1289 | } | |
1290 | ||
1291 | ||
876e74aa JM |
1292 | #ifdef CONFIG_HS20 |
1293 | ||
33fb8c52 JM |
1294 | static int has_proto_match(const u8 *pos, const u8 *end, u8 proto) |
1295 | { | |
67fea55c | 1296 | while (end - pos >= 4) { |
33fb8c52 JM |
1297 | if (pos[0] == proto && pos[3] == 1 /* Open */) |
1298 | return 1; | |
1299 | pos += 4; | |
1300 | } | |
1301 | ||
1302 | return 0; | |
1303 | } | |
1304 | ||
1305 | ||
1306 | static int has_proto_port_match(const u8 *pos, const u8 *end, u8 proto, | |
1307 | u16 port) | |
1308 | { | |
67fea55c | 1309 | while (end - pos >= 4) { |
33fb8c52 JM |
1310 | if (pos[0] == proto && WPA_GET_LE16(&pos[1]) == port && |
1311 | pos[3] == 1 /* Open */) | |
1312 | return 1; | |
1313 | pos += 4; | |
1314 | } | |
1315 | ||
1316 | return 0; | |
1317 | } | |
1318 | ||
876e74aa JM |
1319 | #endif /* CONFIG_HS20 */ |
1320 | ||
33fb8c52 JM |
1321 | |
1322 | static int cred_conn_capab_missing(struct wpa_supplicant *wpa_s, | |
1323 | struct wpa_cred *cred, struct wpa_bss *bss) | |
1324 | { | |
876e74aa | 1325 | #ifdef CONFIG_HS20 |
33fb8c52 JM |
1326 | int res; |
1327 | const u8 *capab, *end; | |
1328 | unsigned int i, j; | |
1329 | int *ports; | |
1330 | ||
1331 | if (!cred->num_req_conn_capab) | |
1332 | return 0; /* No connection capability constraint specified */ | |
1333 | ||
1334 | if (bss->anqp == NULL || bss->anqp->hs20_connection_capability == NULL) | |
1335 | return 0; /* No Connection Capability known - ignore constraint | |
1336 | */ | |
1337 | ||
1338 | res = interworking_home_sp_cred(wpa_s, cred, bss->anqp ? | |
1339 | bss->anqp->domain_name : NULL); | |
1340 | if (res > 0) | |
1341 | return 0; /* No constraint in home network */ | |
1342 | ||
1343 | capab = wpabuf_head(bss->anqp->hs20_connection_capability); | |
1344 | end = capab + wpabuf_len(bss->anqp->hs20_connection_capability); | |
1345 | ||
1346 | for (i = 0; i < cred->num_req_conn_capab; i++) { | |
1347 | ports = cred->req_conn_capab_port[i]; | |
1348 | if (!ports) { | |
1349 | if (!has_proto_match(capab, end, | |
1350 | cred->req_conn_capab_proto[i])) | |
1351 | return 1; | |
1352 | } else { | |
1353 | for (j = 0; ports[j] > -1; j++) { | |
1354 | if (!has_proto_port_match( | |
1355 | capab, end, | |
1356 | cred->req_conn_capab_proto[i], | |
1357 | ports[j])) | |
1358 | return 1; | |
1359 | } | |
1360 | } | |
1361 | } | |
876e74aa | 1362 | #endif /* CONFIG_HS20 */ |
33fb8c52 JM |
1363 | |
1364 | return 0; | |
1365 | } | |
1366 | ||
1367 | ||
955567bc | 1368 | static struct wpa_cred * interworking_credentials_available_roaming_consortium( |
28f2a7c4 JM |
1369 | struct wpa_supplicant *wpa_s, struct wpa_bss *bss, int ignore_bw, |
1370 | int *excluded) | |
955567bc JM |
1371 | { |
1372 | struct wpa_cred *cred, *selected = NULL; | |
1373 | const u8 *ie; | |
5b769527 | 1374 | const struct wpabuf *anqp; |
28f2a7c4 | 1375 | int is_excluded = 0; |
955567bc JM |
1376 | |
1377 | ie = wpa_bss_get_ie(bss, WLAN_EID_ROAMING_CONSORTIUM); | |
5b769527 | 1378 | anqp = bss->anqp ? bss->anqp->roaming_consortium : NULL; |
955567bc | 1379 | |
5b769527 | 1380 | if (!ie && !anqp) |
955567bc JM |
1381 | return NULL; |
1382 | ||
1383 | if (wpa_s->conf->cred == NULL) | |
1384 | return NULL; | |
1385 | ||
1386 | for (cred = wpa_s->conf->cred; cred; cred = cred->next) { | |
5b769527 JM |
1387 | if (cred->roaming_consortium_len == 0 && |
1388 | cred->num_roaming_consortiums == 0) | |
955567bc JM |
1389 | continue; |
1390 | ||
5b769527 JM |
1391 | if ((cred->roaming_consortium_len == 0 || |
1392 | !roaming_consortium_match(ie, anqp, | |
1393 | cred->roaming_consortium, | |
1394 | cred->roaming_consortium_len)) && | |
1395 | !cred_roaming_consortiums_match(ie, anqp, cred)) | |
955567bc JM |
1396 | continue; |
1397 | ||
f47c1452 JM |
1398 | if (cred_no_required_oi_match(cred, bss)) |
1399 | continue; | |
4cad9df1 JM |
1400 | if (!ignore_bw && cred_below_min_backhaul(wpa_s, cred, bss)) |
1401 | continue; | |
a45b2dc5 JM |
1402 | if (!ignore_bw && cred_over_max_bss_load(wpa_s, cred, bss)) |
1403 | continue; | |
33fb8c52 JM |
1404 | if (!ignore_bw && cred_conn_capab_missing(wpa_s, cred, bss)) |
1405 | continue; | |
28f2a7c4 JM |
1406 | if (cred_excluded_ssid(cred, bss)) { |
1407 | if (excluded == NULL) | |
1408 | continue; | |
1409 | if (selected == NULL) { | |
1410 | selected = cred; | |
1411 | is_excluded = 1; | |
1412 | } | |
1413 | } else { | |
1414 | if (selected == NULL || is_excluded || | |
751ac997 | 1415 | cred_prio_cmp(selected, cred) < 0) { |
28f2a7c4 JM |
1416 | selected = cred; |
1417 | is_excluded = 0; | |
1418 | } | |
1419 | } | |
955567bc JM |
1420 | } |
1421 | ||
28f2a7c4 JM |
1422 | if (excluded) |
1423 | *excluded = is_excluded; | |
1424 | ||
955567bc JM |
1425 | return selected; |
1426 | } | |
1427 | ||
1428 | ||
d5b5d801 JM |
1429 | static int interworking_set_eap_params(struct wpa_ssid *ssid, |
1430 | struct wpa_cred *cred, int ttls) | |
1431 | { | |
8ca93c59 JM |
1432 | if (cred->eap_method) { |
1433 | ttls = cred->eap_method->vendor == EAP_VENDOR_IETF && | |
1434 | cred->eap_method->method == EAP_TYPE_TTLS; | |
1435 | ||
1436 | os_free(ssid->eap.eap_methods); | |
1437 | ssid->eap.eap_methods = | |
1438 | os_malloc(sizeof(struct eap_method_type) * 2); | |
1439 | if (ssid->eap.eap_methods == NULL) | |
1440 | return -1; | |
1441 | os_memcpy(ssid->eap.eap_methods, cred->eap_method, | |
1442 | sizeof(*cred->eap_method)); | |
1443 | ssid->eap.eap_methods[1].vendor = EAP_VENDOR_IETF; | |
1444 | ssid->eap.eap_methods[1].method = EAP_TYPE_NONE; | |
1445 | } | |
1446 | ||
d5b5d801 JM |
1447 | if (ttls && cred->username && cred->username[0]) { |
1448 | const char *pos; | |
1449 | char *anon; | |
1450 | /* Use anonymous NAI in Phase 1 */ | |
1451 | pos = os_strchr(cred->username, '@'); | |
1452 | if (pos) { | |
1453 | size_t buflen = 9 + os_strlen(pos) + 1; | |
1454 | anon = os_malloc(buflen); | |
1455 | if (anon == NULL) | |
1456 | return -1; | |
1457 | os_snprintf(anon, buflen, "anonymous%s", pos); | |
1458 | } else if (cred->realm) { | |
1459 | size_t buflen = 10 + os_strlen(cred->realm) + 1; | |
1460 | anon = os_malloc(buflen); | |
1461 | if (anon == NULL) | |
1462 | return -1; | |
1463 | os_snprintf(anon, buflen, "anonymous@%s", cred->realm); | |
1464 | } else { | |
1465 | anon = os_strdup("anonymous"); | |
1466 | if (anon == NULL) | |
1467 | return -1; | |
1468 | } | |
1469 | if (wpa_config_set_quoted(ssid, "anonymous_identity", anon) < | |
1470 | 0) { | |
1471 | os_free(anon); | |
1472 | return -1; | |
1473 | } | |
1474 | os_free(anon); | |
1475 | } | |
1476 | ||
c6c29be1 JM |
1477 | if (!ttls && cred->username && cred->username[0] && cred->realm && |
1478 | !os_strchr(cred->username, '@')) { | |
1479 | char *id; | |
1480 | size_t buflen; | |
1481 | int res; | |
1482 | ||
1483 | buflen = os_strlen(cred->username) + 1 + | |
1484 | os_strlen(cred->realm) + 1; | |
1485 | ||
1486 | id = os_malloc(buflen); | |
1487 | if (!id) | |
1488 | return -1; | |
1489 | os_snprintf(id, buflen, "%s@%s", cred->username, cred->realm); | |
1490 | res = wpa_config_set_quoted(ssid, "identity", id); | |
1491 | os_free(id); | |
1492 | if (res < 0) | |
1493 | return -1; | |
1494 | } else if (cred->username && cred->username[0] && | |
d5b5d801 JM |
1495 | wpa_config_set_quoted(ssid, "identity", cred->username) < 0) |
1496 | return -1; | |
1497 | ||
02af9c90 JM |
1498 | if (cred->password && cred->password[0]) { |
1499 | if (cred->ext_password && | |
1500 | wpa_config_set(ssid, "password", cred->password, 0) < 0) | |
1501 | return -1; | |
1502 | if (!cred->ext_password && | |
1503 | wpa_config_set_quoted(ssid, "password", cred->password) < | |
1504 | 0) | |
1505 | return -1; | |
1506 | } | |
d5b5d801 JM |
1507 | |
1508 | if (cred->client_cert && cred->client_cert[0] && | |
1509 | wpa_config_set_quoted(ssid, "client_cert", cred->client_cert) < 0) | |
1510 | return -1; | |
1511 | ||
93face0e JM |
1512 | #ifdef ANDROID |
1513 | if (cred->private_key && | |
1514 | os_strncmp(cred->private_key, "keystore://", 11) == 0) { | |
1515 | /* Use OpenSSL engine configuration for Android keystore */ | |
1516 | if (wpa_config_set_quoted(ssid, "engine_id", "keystore") < 0 || | |
1517 | wpa_config_set_quoted(ssid, "key_id", | |
1518 | cred->private_key + 11) < 0 || | |
1519 | wpa_config_set(ssid, "engine", "1", 0) < 0) | |
1520 | return -1; | |
1521 | } else | |
1522 | #endif /* ANDROID */ | |
d5b5d801 JM |
1523 | if (cred->private_key && cred->private_key[0] && |
1524 | wpa_config_set_quoted(ssid, "private_key", cred->private_key) < 0) | |
1525 | return -1; | |
1526 | ||
1527 | if (cred->private_key_passwd && cred->private_key_passwd[0] && | |
1528 | wpa_config_set_quoted(ssid, "private_key_passwd", | |
1529 | cred->private_key_passwd) < 0) | |
1530 | return -1; | |
1531 | ||
8ca93c59 JM |
1532 | if (cred->phase1) { |
1533 | os_free(ssid->eap.phase1); | |
1534 | ssid->eap.phase1 = os_strdup(cred->phase1); | |
1535 | } | |
1536 | if (cred->phase2) { | |
1537 | os_free(ssid->eap.phase2); | |
1538 | ssid->eap.phase2 = os_strdup(cred->phase2); | |
1539 | } | |
1540 | ||
d5b5d801 JM |
1541 | if (cred->ca_cert && cred->ca_cert[0] && |
1542 | wpa_config_set_quoted(ssid, "ca_cert", cred->ca_cert) < 0) | |
1543 | return -1; | |
1544 | ||
ac1bc549 JM |
1545 | if (cred->domain_suffix_match && cred->domain_suffix_match[0] && |
1546 | wpa_config_set_quoted(ssid, "domain_suffix_match", | |
1547 | cred->domain_suffix_match) < 0) | |
1548 | return -1; | |
1549 | ||
cf6d08a6 JM |
1550 | ssid->eap.ocsp = cred->ocsp; |
1551 | ||
d5b5d801 JM |
1552 | return 0; |
1553 | } | |
1554 | ||
1555 | ||
955567bc JM |
1556 | static int interworking_connect_roaming_consortium( |
1557 | struct wpa_supplicant *wpa_s, struct wpa_cred *cred, | |
f91a512f | 1558 | struct wpa_bss *bss, int only_add) |
955567bc JM |
1559 | { |
1560 | struct wpa_ssid *ssid; | |
6311547e JM |
1561 | const u8 *ie; |
1562 | const struct wpabuf *anqp; | |
1563 | unsigned int i; | |
955567bc | 1564 | |
99805a0e BG |
1565 | wpa_msg(wpa_s, MSG_DEBUG, "Interworking: Connect with " MACSTR |
1566 | " based on roaming consortium match", MAC2STR(bss->bssid)); | |
955567bc | 1567 | |
d28f4e44 JM |
1568 | if (already_connected(wpa_s, cred, bss)) { |
1569 | wpa_msg(wpa_s, MSG_INFO, INTERWORKING_ALREADY_CONNECTED MACSTR, | |
1570 | MAC2STR(bss->bssid)); | |
f91a512f | 1571 | return wpa_s->current_ssid->id; |
d28f4e44 JM |
1572 | } |
1573 | ||
6ede8a7e JM |
1574 | remove_duplicate_network(wpa_s, cred, bss); |
1575 | ||
955567bc JM |
1576 | ssid = wpa_config_add_network(wpa_s->conf); |
1577 | if (ssid == NULL) | |
1578 | return -1; | |
736d4f2d | 1579 | ssid->parent_cred = cred; |
955567bc JM |
1580 | wpas_notify_network_added(wpa_s, ssid); |
1581 | wpa_config_set_network_defaults(ssid); | |
1582 | ssid->priority = cred->priority; | |
1583 | ssid->temporary = 1; | |
08b26779 | 1584 | ssid->ssid = os_zalloc(bss->ssid_len + 1); |
955567bc JM |
1585 | if (ssid->ssid == NULL) |
1586 | goto fail; | |
08b26779 JM |
1587 | os_memcpy(ssid->ssid, bss->ssid, bss->ssid_len); |
1588 | ssid->ssid_len = bss->ssid_len; | |
955567bc | 1589 | |
3c8e4ec0 | 1590 | if (interworking_set_hs20_params(wpa_s, ssid) < 0) |
1ecd2ada JM |
1591 | goto fail; |
1592 | ||
6311547e JM |
1593 | ie = wpa_bss_get_ie(bss, WLAN_EID_ROAMING_CONSORTIUM); |
1594 | anqp = bss->anqp ? bss->anqp->roaming_consortium : NULL; | |
1595 | for (i = 0; (ie || anqp) && i < cred->num_roaming_consortiums; i++) { | |
1596 | if (!roaming_consortium_match( | |
1597 | ie, anqp, cred->roaming_consortiums[i], | |
1598 | cred->roaming_consortiums_len[i])) | |
1599 | continue; | |
1600 | ||
1601 | ssid->roaming_consortium_selection = | |
1602 | os_malloc(cred->roaming_consortiums_len[i]); | |
1603 | if (!ssid->roaming_consortium_selection) | |
1604 | goto fail; | |
1605 | os_memcpy(ssid->roaming_consortium_selection, | |
1606 | cred->roaming_consortiums[i], | |
1607 | cred->roaming_consortiums_len[i]); | |
1608 | ssid->roaming_consortium_selection_len = | |
1609 | cred->roaming_consortiums_len[i]; | |
1610 | break; | |
1611 | } | |
1612 | ||
955567bc | 1613 | if (cred->eap_method == NULL) { |
99805a0e BG |
1614 | wpa_msg(wpa_s, MSG_DEBUG, |
1615 | "Interworking: No EAP method set for credential using roaming consortium"); | |
955567bc JM |
1616 | goto fail; |
1617 | } | |
1618 | ||
1619 | if (interworking_set_eap_params( | |
1620 | ssid, cred, | |
1621 | cred->eap_method->vendor == EAP_VENDOR_IETF && | |
1622 | cred->eap_method->method == EAP_TYPE_TTLS) < 0) | |
1623 | goto fail; | |
1624 | ||
3d910ef4 | 1625 | wpa_s->next_ssid = ssid; |
955567bc | 1626 | wpa_config_update_prio_list(wpa_s->conf); |
f91a512f JM |
1627 | if (!only_add) |
1628 | interworking_reconnect(wpa_s); | |
955567bc | 1629 | |
f91a512f | 1630 | return ssid->id; |
955567bc JM |
1631 | |
1632 | fail: | |
1633 | wpas_notify_network_removed(wpa_s, ssid); | |
1634 | wpa_config_remove_network(wpa_s->conf, ssid->id); | |
1635 | return -1; | |
1636 | } | |
1637 | ||
1638 | ||
0da9869b JM |
1639 | int interworking_connect(struct wpa_supplicant *wpa_s, struct wpa_bss *bss, |
1640 | int only_add) | |
b02fe7ff | 1641 | { |
b618a469 | 1642 | struct wpa_cred *cred, *cred_rc, *cred_3gpp; |
67e1b984 JM |
1643 | struct wpa_ssid *ssid; |
1644 | struct nai_realm *realm; | |
1645 | struct nai_realm_eap *eap = NULL; | |
1646 | u16 count, i; | |
1647 | char buf[100]; | |
0da9869b | 1648 | int excluded = 0, *excl = &excluded; |
9c6c5589 | 1649 | const char *name; |
67e1b984 | 1650 | |
1bb7b8e8 | 1651 | if (wpa_s->conf->cred == NULL || bss == NULL) |
b02fe7ff | 1652 | return -1; |
50589751 JM |
1653 | if (disallowed_bssid(wpa_s, bss->bssid) || |
1654 | disallowed_ssid(wpa_s, bss->ssid, bss->ssid_len)) { | |
99805a0e BG |
1655 | wpa_msg(wpa_s, MSG_DEBUG, |
1656 | "Interworking: Reject connection to disallowed BSS " | |
1657 | MACSTR, MAC2STR(bss->bssid)); | |
50589751 JM |
1658 | return -1; |
1659 | } | |
67e1b984 | 1660 | |
8b4b9fb3 | 1661 | wpa_printf(MSG_DEBUG, "Interworking: Considering BSS " MACSTR |
0da9869b JM |
1662 | " for connection", |
1663 | MAC2STR(bss->bssid)); | |
8b4b9fb3 | 1664 | |
63e5caaa JM |
1665 | if (!wpa_bss_get_ie(bss, WLAN_EID_RSN)) { |
1666 | /* | |
1667 | * We currently support only HS 2.0 networks and those are | |
1668 | * required to use WPA2-Enterprise. | |
1669 | */ | |
99805a0e BG |
1670 | wpa_msg(wpa_s, MSG_DEBUG, |
1671 | "Interworking: Network does not use RSN"); | |
63e5caaa JM |
1672 | return -1; |
1673 | } | |
1674 | ||
28f2a7c4 JM |
1675 | cred_rc = interworking_credentials_available_roaming_consortium( |
1676 | wpa_s, bss, 0, excl); | |
b618a469 | 1677 | if (cred_rc) { |
99805a0e BG |
1678 | wpa_msg(wpa_s, MSG_DEBUG, |
1679 | "Interworking: Highest roaming consortium matching credential priority %d sp_priority %d", | |
1680 | cred_rc->priority, cred_rc->sp_priority); | |
0da9869b | 1681 | if (excl && !(*excl)) |
28f2a7c4 | 1682 | excl = NULL; |
b618a469 JM |
1683 | } |
1684 | ||
28f2a7c4 | 1685 | cred = interworking_credentials_available_realm(wpa_s, bss, 0, excl); |
b618a469 | 1686 | if (cred) { |
99805a0e BG |
1687 | wpa_msg(wpa_s, MSG_DEBUG, |
1688 | "Interworking: Highest NAI Realm list matching credential priority %d sp_priority %d", | |
1689 | cred->priority, cred->sp_priority); | |
0da9869b | 1690 | if (excl && !(*excl)) |
28f2a7c4 | 1691 | excl = NULL; |
b618a469 JM |
1692 | } |
1693 | ||
28f2a7c4 JM |
1694 | cred_3gpp = interworking_credentials_available_3gpp(wpa_s, bss, 0, |
1695 | excl); | |
b618a469 | 1696 | if (cred_3gpp) { |
99805a0e BG |
1697 | wpa_msg(wpa_s, MSG_DEBUG, |
1698 | "Interworking: Highest 3GPP matching credential priority %d sp_priority %d", | |
1699 | cred_3gpp->priority, cred_3gpp->sp_priority); | |
0da9869b | 1700 | if (excl && !(*excl)) |
28f2a7c4 | 1701 | excl = NULL; |
b618a469 JM |
1702 | } |
1703 | ||
4cad9df1 | 1704 | if (!cred_rc && !cred && !cred_3gpp) { |
99805a0e BG |
1705 | wpa_msg(wpa_s, MSG_DEBUG, |
1706 | "Interworking: No full credential matches - consider options without BW(etc.) limits"); | |
4cad9df1 | 1707 | cred_rc = interworking_credentials_available_roaming_consortium( |
28f2a7c4 | 1708 | wpa_s, bss, 1, excl); |
4cad9df1 | 1709 | if (cred_rc) { |
99805a0e BG |
1710 | wpa_msg(wpa_s, MSG_DEBUG, |
1711 | "Interworking: Highest roaming consortium matching credential priority %d sp_priority %d (ignore BW)", | |
1712 | cred_rc->priority, cred_rc->sp_priority); | |
0da9869b | 1713 | if (excl && !(*excl)) |
28f2a7c4 | 1714 | excl = NULL; |
4cad9df1 JM |
1715 | } |
1716 | ||
28f2a7c4 JM |
1717 | cred = interworking_credentials_available_realm(wpa_s, bss, 1, |
1718 | excl); | |
4cad9df1 | 1719 | if (cred) { |
99805a0e BG |
1720 | wpa_msg(wpa_s, MSG_DEBUG, |
1721 | "Interworking: Highest NAI Realm list matching credential priority %d sp_priority %d (ignore BW)", | |
1722 | cred->priority, cred->sp_priority); | |
0da9869b | 1723 | if (excl && !(*excl)) |
28f2a7c4 | 1724 | excl = NULL; |
4cad9df1 JM |
1725 | } |
1726 | ||
1727 | cred_3gpp = interworking_credentials_available_3gpp(wpa_s, bss, | |
28f2a7c4 | 1728 | 1, excl); |
4cad9df1 | 1729 | if (cred_3gpp) { |
99805a0e BG |
1730 | wpa_msg(wpa_s, MSG_DEBUG, |
1731 | "Interworking: Highest 3GPP matching credential priority %d sp_priority %d (ignore BW)", | |
1732 | cred_3gpp->priority, cred_3gpp->sp_priority); | |
0da9869b | 1733 | if (excl && !(*excl)) |
28f2a7c4 | 1734 | excl = NULL; |
4cad9df1 JM |
1735 | } |
1736 | } | |
1737 | ||
b618a469 | 1738 | if (cred_rc && |
751ac997 JM |
1739 | (cred == NULL || cred_prio_cmp(cred_rc, cred) >= 0) && |
1740 | (cred_3gpp == NULL || cred_prio_cmp(cred_rc, cred_3gpp) >= 0)) | |
b618a469 | 1741 | return interworking_connect_roaming_consortium(wpa_s, cred_rc, |
f91a512f | 1742 | bss, only_add); |
955567bc | 1743 | |
b618a469 | 1744 | if (cred_3gpp && |
751ac997 | 1745 | (cred == NULL || cred_prio_cmp(cred_3gpp, cred) >= 0)) { |
f91a512f JM |
1746 | return interworking_connect_3gpp(wpa_s, cred_3gpp, bss, |
1747 | only_add); | |
b618a469 JM |
1748 | } |
1749 | ||
1750 | if (cred == NULL) { | |
99805a0e BG |
1751 | wpa_msg(wpa_s, MSG_DEBUG, |
1752 | "Interworking: No matching credentials found for " | |
1753 | MACSTR, MAC2STR(bss->bssid)); | |
b618a469 JM |
1754 | return -1; |
1755 | } | |
1756 | ||
476aed35 JM |
1757 | realm = nai_realm_parse(bss->anqp ? bss->anqp->nai_realm : NULL, |
1758 | &count); | |
67e1b984 | 1759 | if (realm == NULL) { |
99805a0e BG |
1760 | wpa_msg(wpa_s, MSG_DEBUG, |
1761 | "Interworking: Could not parse NAI Realm list from " | |
1762 | MACSTR, MAC2STR(bss->bssid)); | |
b618a469 | 1763 | return -1; |
67e1b984 JM |
1764 | } |
1765 | ||
b618a469 JM |
1766 | for (i = 0; i < count; i++) { |
1767 | if (!nai_realm_match(&realm[i], cred->realm)) | |
1768 | continue; | |
f45bae5b | 1769 | eap = nai_realm_find_eap(wpa_s, cred, &realm[i]); |
67e1b984 JM |
1770 | if (eap) |
1771 | break; | |
1772 | } | |
1773 | ||
1774 | if (!eap) { | |
99805a0e BG |
1775 | wpa_msg(wpa_s, MSG_DEBUG, |
1776 | "Interworking: No matching credentials and EAP method found for " | |
1777 | MACSTR, MAC2STR(bss->bssid)); | |
67e1b984 JM |
1778 | nai_realm_free(realm, count); |
1779 | return -1; | |
1780 | } | |
b02fe7ff | 1781 | |
99805a0e BG |
1782 | wpa_msg(wpa_s, MSG_DEBUG, "Interworking: Connect with " MACSTR, |
1783 | MAC2STR(bss->bssid)); | |
67e1b984 | 1784 | |
d28f4e44 JM |
1785 | if (already_connected(wpa_s, cred, bss)) { |
1786 | wpa_msg(wpa_s, MSG_INFO, INTERWORKING_ALREADY_CONNECTED MACSTR, | |
1787 | MAC2STR(bss->bssid)); | |
1788 | nai_realm_free(realm, count); | |
1789 | return 0; | |
1790 | } | |
1791 | ||
6ede8a7e JM |
1792 | remove_duplicate_network(wpa_s, cred, bss); |
1793 | ||
67e1b984 JM |
1794 | ssid = wpa_config_add_network(wpa_s->conf); |
1795 | if (ssid == NULL) { | |
1796 | nai_realm_free(realm, count); | |
1797 | return -1; | |
1798 | } | |
736d4f2d | 1799 | ssid->parent_cred = cred; |
67e1b984 JM |
1800 | wpas_notify_network_added(wpa_s, ssid); |
1801 | wpa_config_set_network_defaults(ssid); | |
1a712d2f | 1802 | ssid->priority = cred->priority; |
67e1b984 | 1803 | ssid->temporary = 1; |
08b26779 | 1804 | ssid->ssid = os_zalloc(bss->ssid_len + 1); |
67e1b984 JM |
1805 | if (ssid->ssid == NULL) |
1806 | goto fail; | |
08b26779 JM |
1807 | os_memcpy(ssid->ssid, bss->ssid, bss->ssid_len); |
1808 | ssid->ssid_len = bss->ssid_len; | |
67e1b984 | 1809 | |
3c8e4ec0 | 1810 | if (interworking_set_hs20_params(wpa_s, ssid) < 0) |
1ecd2ada JM |
1811 | goto fail; |
1812 | ||
67e1b984 JM |
1813 | if (wpa_config_set(ssid, "eap", eap_get_name(EAP_VENDOR_IETF, |
1814 | eap->method), 0) < 0) | |
1815 | goto fail; | |
1816 | ||
67e1b984 JM |
1817 | switch (eap->method) { |
1818 | case EAP_TYPE_TTLS: | |
1819 | if (eap->inner_method) { | |
8d968351 PX |
1820 | name = eap_get_name(EAP_VENDOR_IETF, eap->inner_method); |
1821 | if (!name) | |
1822 | goto fail; | |
1823 | os_snprintf(buf, sizeof(buf), "\"autheap=%s\"", name); | |
67e1b984 JM |
1824 | if (wpa_config_set(ssid, "phase2", buf, 0) < 0) |
1825 | goto fail; | |
1826 | break; | |
1827 | } | |
1828 | switch (eap->inner_non_eap) { | |
1829 | case NAI_REALM_INNER_NON_EAP_PAP: | |
1830 | if (wpa_config_set(ssid, "phase2", "\"auth=PAP\"", 0) < | |
1831 | 0) | |
1832 | goto fail; | |
1833 | break; | |
1834 | case NAI_REALM_INNER_NON_EAP_CHAP: | |
1835 | if (wpa_config_set(ssid, "phase2", "\"auth=CHAP\"", 0) | |
1836 | < 0) | |
1837 | goto fail; | |
1838 | break; | |
1839 | case NAI_REALM_INNER_NON_EAP_MSCHAP: | |
d3f57d0f JM |
1840 | if (wpa_config_set(ssid, "phase2", "\"auth=MSCHAP\"", |
1841 | 0) < 0) | |
67e1b984 JM |
1842 | goto fail; |
1843 | break; | |
1844 | case NAI_REALM_INNER_NON_EAP_MSCHAPV2: | |
1845 | if (wpa_config_set(ssid, "phase2", "\"auth=MSCHAPV2\"", | |
2047e596 JM |
1846 | 0) < 0) |
1847 | goto fail; | |
1848 | break; | |
1849 | default: | |
1850 | /* EAP params were not set - assume TTLS/MSCHAPv2 */ | |
1851 | if (wpa_config_set(ssid, "phase2", "\"auth=MSCHAPV2\"", | |
67e1b984 JM |
1852 | 0) < 0) |
1853 | goto fail; | |
1854 | break; | |
1855 | } | |
1856 | break; | |
1857 | case EAP_TYPE_PEAP: | |
1f5d2dd3 JM |
1858 | case EAP_TYPE_FAST: |
1859 | if (wpa_config_set(ssid, "phase1", "\"fast_provisioning=2\"", | |
1860 | 0) < 0) | |
1861 | goto fail; | |
1862 | if (wpa_config_set(ssid, "pac_file", | |
1863 | "\"blob://pac_interworking\"", 0) < 0) | |
1864 | goto fail; | |
9c6c5589 JM |
1865 | name = eap_get_name(EAP_VENDOR_IETF, |
1866 | eap->inner_method ? eap->inner_method : | |
1867 | EAP_TYPE_MSCHAPV2); | |
1868 | if (name == NULL) | |
1869 | goto fail; | |
1870 | os_snprintf(buf, sizeof(buf), "\"auth=%s\"", name); | |
67e1b984 JM |
1871 | if (wpa_config_set(ssid, "phase2", buf, 0) < 0) |
1872 | goto fail; | |
1873 | break; | |
11e4f46a JM |
1874 | case EAP_TYPE_TLS: |
1875 | break; | |
67e1b984 JM |
1876 | } |
1877 | ||
d5b5d801 JM |
1878 | if (interworking_set_eap_params(ssid, cred, |
1879 | eap->method == EAP_TYPE_TTLS) < 0) | |
67e1b984 JM |
1880 | goto fail; |
1881 | ||
1882 | nai_realm_free(realm, count); | |
1883 | ||
3d910ef4 | 1884 | wpa_s->next_ssid = ssid; |
1a712d2f | 1885 | wpa_config_update_prio_list(wpa_s->conf); |
f91a512f JM |
1886 | if (!only_add) |
1887 | interworking_reconnect(wpa_s); | |
67e1b984 | 1888 | |
f91a512f | 1889 | return ssid->id; |
67e1b984 JM |
1890 | |
1891 | fail: | |
1892 | wpas_notify_network_removed(wpa_s, ssid); | |
1893 | wpa_config_remove_network(wpa_s->conf, ssid->id); | |
1894 | nai_realm_free(realm, count); | |
1895 | return -1; | |
b02fe7ff JM |
1896 | } |
1897 | ||
1898 | ||
72300408 JT |
1899 | #ifdef PCSC_FUNCS |
1900 | static int interworking_pcsc_read_imsi(struct wpa_supplicant *wpa_s) | |
1901 | { | |
1902 | size_t len; | |
1903 | ||
1904 | if (wpa_s->imsi[0] && wpa_s->mnc_len) | |
1905 | return 0; | |
1906 | ||
1907 | len = sizeof(wpa_s->imsi) - 1; | |
1908 | if (scard_get_imsi(wpa_s->scard, wpa_s->imsi, &len)) { | |
1909 | scard_deinit(wpa_s->scard); | |
1910 | wpa_s->scard = NULL; | |
1911 | wpa_msg(wpa_s, MSG_ERROR, "Could not read IMSI"); | |
1912 | return -1; | |
1913 | } | |
1914 | wpa_s->imsi[len] = '\0'; | |
1915 | wpa_s->mnc_len = scard_get_mnc_len(wpa_s->scard); | |
1916 | wpa_printf(MSG_DEBUG, "SCARD: IMSI %s (MNC length %d)", | |
1917 | wpa_s->imsi, wpa_s->mnc_len); | |
1918 | ||
1919 | return 0; | |
1920 | } | |
1921 | #endif /* PCSC_FUNCS */ | |
1922 | ||
1923 | ||
1a712d2f | 1924 | static struct wpa_cred * interworking_credentials_available_3gpp( |
28f2a7c4 JM |
1925 | struct wpa_supplicant *wpa_s, struct wpa_bss *bss, int ignore_bw, |
1926 | int *excluded) | |
3b840b67 | 1927 | { |
ad5dda82 MH |
1928 | struct wpa_cred *selected = NULL; |
1929 | #ifdef INTERWORKING_3GPP | |
1930 | struct wpa_cred *cred; | |
1bb7b8e8 | 1931 | int ret; |
28f2a7c4 | 1932 | int is_excluded = 0; |
3b840b67 | 1933 | |
893e152e BG |
1934 | if (bss->anqp == NULL || bss->anqp->anqp_3gpp == NULL) { |
1935 | wpa_msg(wpa_s, MSG_DEBUG, | |
1936 | "interworking-avail-3gpp: not avail, anqp: %p anqp_3gpp: %p", | |
1937 | bss->anqp, bss->anqp ? bss->anqp->anqp_3gpp : NULL); | |
1a712d2f | 1938 | return NULL; |
893e152e | 1939 | } |
3b840b67 | 1940 | |
efc58df2 NJ |
1941 | #ifdef CONFIG_EAP_PROXY |
1942 | if (!wpa_s->imsi[0]) { | |
1943 | size_t len; | |
893e152e BG |
1944 | wpa_msg(wpa_s, MSG_DEBUG, |
1945 | "Interworking: IMSI not available - try to read again through eap_proxy"); | |
b5db6e5d | 1946 | wpa_s->mnc_len = eapol_sm_get_eap_proxy_imsi(wpa_s->eapol, -1, |
efc58df2 NJ |
1947 | wpa_s->imsi, |
1948 | &len); | |
1949 | if (wpa_s->mnc_len > 0) { | |
1950 | wpa_s->imsi[len] = '\0'; | |
893e152e BG |
1951 | wpa_msg(wpa_s, MSG_DEBUG, |
1952 | "eap_proxy: IMSI %s (MNC length %d)", | |
1953 | wpa_s->imsi, wpa_s->mnc_len); | |
efc58df2 | 1954 | } else { |
893e152e BG |
1955 | wpa_msg(wpa_s, MSG_DEBUG, |
1956 | "eap_proxy: IMSI not available"); | |
efc58df2 NJ |
1957 | } |
1958 | } | |
1959 | #endif /* CONFIG_EAP_PROXY */ | |
1960 | ||
1bb7b8e8 | 1961 | for (cred = wpa_s->conf->cred; cred; cred = cred->next) { |
c21246f5 | 1962 | char *sep; |
d7b01abd JM |
1963 | const char *imsi; |
1964 | int mnc_len; | |
0b9d3b22 JM |
1965 | char imsi_buf[16]; |
1966 | size_t msin_len; | |
d7b01abd JM |
1967 | |
1968 | #ifdef PCSC_FUNCS | |
72300408 JT |
1969 | if (cred->pcsc && wpa_s->scard) { |
1970 | if (interworking_pcsc_read_imsi(wpa_s) < 0) | |
1971 | continue; | |
d7b01abd JM |
1972 | imsi = wpa_s->imsi; |
1973 | mnc_len = wpa_s->mnc_len; | |
1974 | goto compare; | |
1975 | } | |
1976 | #endif /* PCSC_FUNCS */ | |
ec7b97ab JM |
1977 | #ifdef CONFIG_EAP_PROXY |
1978 | if (cred->pcsc && wpa_s->mnc_len > 0 && wpa_s->imsi[0]) { | |
1979 | imsi = wpa_s->imsi; | |
1980 | mnc_len = wpa_s->mnc_len; | |
1981 | goto compare; | |
1982 | } | |
1983 | #endif /* CONFIG_EAP_PROXY */ | |
c21246f5 | 1984 | |
1bb7b8e8 | 1985 | if (cred->imsi == NULL || !cred->imsi[0] || |
a5d44ac0 JM |
1986 | (!wpa_s->conf->external_sim && |
1987 | (cred->milenage == NULL || !cred->milenage[0]))) | |
1bb7b8e8 | 1988 | continue; |
3b840b67 | 1989 | |
c21246f5 JM |
1990 | sep = os_strchr(cred->imsi, '-'); |
1991 | if (sep == NULL || | |
1992 | (sep - cred->imsi != 5 && sep - cred->imsi != 6)) | |
1993 | continue; | |
d7b01abd | 1994 | mnc_len = sep - cred->imsi - 3; |
0b9d3b22 JM |
1995 | os_memcpy(imsi_buf, cred->imsi, 3 + mnc_len); |
1996 | sep++; | |
1997 | msin_len = os_strlen(cred->imsi); | |
1998 | if (3 + mnc_len + msin_len >= sizeof(imsi_buf) - 1) | |
1999 | msin_len = sizeof(imsi_buf) - 3 - mnc_len - 1; | |
2000 | os_memcpy(&imsi_buf[3 + mnc_len], sep, msin_len); | |
2001 | imsi_buf[3 + mnc_len + msin_len] = '\0'; | |
2002 | imsi = imsi_buf; | |
c21246f5 | 2003 | |
ec7b97ab | 2004 | #if defined(PCSC_FUNCS) || defined(CONFIG_EAP_PROXY) |
d7b01abd | 2005 | compare: |
ec7b97ab | 2006 | #endif /* PCSC_FUNCS || CONFIG_EAP_PROXY */ |
99805a0e BG |
2007 | wpa_msg(wpa_s, MSG_DEBUG, |
2008 | "Interworking: Parsing 3GPP info from " MACSTR, | |
2009 | MAC2STR(bss->bssid)); | |
476aed35 | 2010 | ret = plmn_id_match(bss->anqp->anqp_3gpp, imsi, mnc_len); |
99805a0e BG |
2011 | wpa_msg(wpa_s, MSG_DEBUG, "PLMN match %sfound", |
2012 | ret ? "" : "not "); | |
1a712d2f | 2013 | if (ret) { |
f47c1452 JM |
2014 | if (cred_no_required_oi_match(cred, bss)) |
2015 | continue; | |
4cad9df1 JM |
2016 | if (!ignore_bw && |
2017 | cred_below_min_backhaul(wpa_s, cred, bss)) | |
2018 | continue; | |
a45b2dc5 JM |
2019 | if (!ignore_bw && |
2020 | cred_over_max_bss_load(wpa_s, cred, bss)) | |
2021 | continue; | |
33fb8c52 JM |
2022 | if (!ignore_bw && |
2023 | cred_conn_capab_missing(wpa_s, cred, bss)) | |
2024 | continue; | |
28f2a7c4 JM |
2025 | if (cred_excluded_ssid(cred, bss)) { |
2026 | if (excluded == NULL) | |
2027 | continue; | |
2028 | if (selected == NULL) { | |
2029 | selected = cred; | |
2030 | is_excluded = 1; | |
2031 | } | |
2032 | } else { | |
2033 | if (selected == NULL || is_excluded || | |
751ac997 | 2034 | cred_prio_cmp(selected, cred) < 0) { |
28f2a7c4 JM |
2035 | selected = cred; |
2036 | is_excluded = 0; | |
2037 | } | |
2038 | } | |
1a712d2f | 2039 | } |
1bb7b8e8 | 2040 | } |
28f2a7c4 JM |
2041 | |
2042 | if (excluded) | |
2043 | *excluded = is_excluded; | |
3b840b67 | 2044 | #endif /* INTERWORKING_3GPP */ |
1a712d2f | 2045 | return selected; |
3b840b67 JM |
2046 | } |
2047 | ||
2048 | ||
1a712d2f | 2049 | static struct wpa_cred * interworking_credentials_available_realm( |
28f2a7c4 JM |
2050 | struct wpa_supplicant *wpa_s, struct wpa_bss *bss, int ignore_bw, |
2051 | int *excluded) | |
73c41a8f | 2052 | { |
1a712d2f | 2053 | struct wpa_cred *cred, *selected = NULL; |
73c41a8f JM |
2054 | struct nai_realm *realm; |
2055 | u16 count, i; | |
28f2a7c4 | 2056 | int is_excluded = 0; |
73c41a8f | 2057 | |
476aed35 | 2058 | if (bss->anqp == NULL || bss->anqp->nai_realm == NULL) |
1a712d2f | 2059 | return NULL; |
73c41a8f | 2060 | |
1bb7b8e8 | 2061 | if (wpa_s->conf->cred == NULL) |
1a712d2f | 2062 | return NULL; |
73c41a8f | 2063 | |
99805a0e BG |
2064 | wpa_msg(wpa_s, MSG_DEBUG, "Interworking: Parsing NAI Realm list from " |
2065 | MACSTR, MAC2STR(bss->bssid)); | |
476aed35 | 2066 | realm = nai_realm_parse(bss->anqp->nai_realm, &count); |
73c41a8f | 2067 | if (realm == NULL) { |
99805a0e BG |
2068 | wpa_msg(wpa_s, MSG_DEBUG, |
2069 | "Interworking: Could not parse NAI Realm list from " | |
2070 | MACSTR, MAC2STR(bss->bssid)); | |
1a712d2f | 2071 | return NULL; |
73c41a8f JM |
2072 | } |
2073 | ||
1bb7b8e8 JM |
2074 | for (cred = wpa_s->conf->cred; cred; cred = cred->next) { |
2075 | if (cred->realm == NULL) | |
67e1b984 | 2076 | continue; |
1bb7b8e8 JM |
2077 | |
2078 | for (i = 0; i < count; i++) { | |
2079 | if (!nai_realm_match(&realm[i], cred->realm)) | |
2080 | continue; | |
f45bae5b | 2081 | if (nai_realm_find_eap(wpa_s, cred, &realm[i])) { |
f47c1452 JM |
2082 | if (cred_no_required_oi_match(cred, bss)) |
2083 | continue; | |
4cad9df1 JM |
2084 | if (!ignore_bw && |
2085 | cred_below_min_backhaul(wpa_s, cred, bss)) | |
2086 | continue; | |
a45b2dc5 JM |
2087 | if (!ignore_bw && |
2088 | cred_over_max_bss_load(wpa_s, cred, bss)) | |
2089 | continue; | |
33fb8c52 JM |
2090 | if (!ignore_bw && |
2091 | cred_conn_capab_missing(wpa_s, cred, bss)) | |
2092 | continue; | |
28f2a7c4 JM |
2093 | if (cred_excluded_ssid(cred, bss)) { |
2094 | if (excluded == NULL) | |
2095 | continue; | |
2096 | if (selected == NULL) { | |
2097 | selected = cred; | |
2098 | is_excluded = 1; | |
2099 | } | |
2100 | } else { | |
2101 | if (selected == NULL || is_excluded || | |
751ac997 JM |
2102 | cred_prio_cmp(selected, cred) < 0) |
2103 | { | |
28f2a7c4 JM |
2104 | selected = cred; |
2105 | is_excluded = 0; | |
2106 | } | |
2107 | } | |
1bb7b8e8 | 2108 | break; |
99805a0e BG |
2109 | } else { |
2110 | wpa_msg(wpa_s, MSG_DEBUG, | |
2111 | "Interworking: realm-find-eap returned false"); | |
1bb7b8e8 | 2112 | } |
73c41a8f JM |
2113 | } |
2114 | } | |
2115 | ||
2116 | nai_realm_free(realm, count); | |
2117 | ||
28f2a7c4 JM |
2118 | if (excluded) |
2119 | *excluded = is_excluded; | |
2120 | ||
1a712d2f | 2121 | return selected; |
73c41a8f JM |
2122 | } |
2123 | ||
2124 | ||
4cad9df1 | 2125 | static struct wpa_cred * interworking_credentials_available_helper( |
28f2a7c4 JM |
2126 | struct wpa_supplicant *wpa_s, struct wpa_bss *bss, int ignore_bw, |
2127 | int *excluded) | |
3b840b67 | 2128 | { |
1a712d2f | 2129 | struct wpa_cred *cred, *cred2; |
9f390f43 | 2130 | int excluded1, excluded2 = 0; |
1a712d2f | 2131 | |
50589751 JM |
2132 | if (disallowed_bssid(wpa_s, bss->bssid) || |
2133 | disallowed_ssid(wpa_s, bss->ssid, bss->ssid_len)) { | |
2134 | wpa_printf(MSG_DEBUG, "Interworking: Ignore disallowed BSS " | |
2135 | MACSTR, MAC2STR(bss->bssid)); | |
2136 | return NULL; | |
2137 | } | |
2138 | ||
28f2a7c4 JM |
2139 | cred = interworking_credentials_available_realm(wpa_s, bss, ignore_bw, |
2140 | &excluded1); | |
2141 | cred2 = interworking_credentials_available_3gpp(wpa_s, bss, ignore_bw, | |
2142 | &excluded2); | |
2143 | if (cred && cred2 && | |
751ac997 | 2144 | (cred_prio_cmp(cred2, cred) >= 0 || (!excluded2 && excluded1))) { |
1a712d2f | 2145 | cred = cred2; |
28f2a7c4 JM |
2146 | excluded1 = excluded2; |
2147 | } | |
2148 | if (!cred) { | |
1a712d2f | 2149 | cred = cred2; |
28f2a7c4 JM |
2150 | excluded1 = excluded2; |
2151 | } | |
1a712d2f | 2152 | |
28f2a7c4 JM |
2153 | cred2 = interworking_credentials_available_roaming_consortium( |
2154 | wpa_s, bss, ignore_bw, &excluded2); | |
2155 | if (cred && cred2 && | |
751ac997 | 2156 | (cred_prio_cmp(cred2, cred) >= 0 || (!excluded2 && excluded1))) { |
955567bc | 2157 | cred = cred2; |
28f2a7c4 JM |
2158 | excluded1 = excluded2; |
2159 | } | |
2160 | if (!cred) { | |
955567bc | 2161 | cred = cred2; |
28f2a7c4 JM |
2162 | excluded1 = excluded2; |
2163 | } | |
955567bc | 2164 | |
28f2a7c4 JM |
2165 | if (excluded) |
2166 | *excluded = excluded1; | |
1a712d2f | 2167 | return cred; |
3b840b67 JM |
2168 | } |
2169 | ||
2170 | ||
4cad9df1 | 2171 | static struct wpa_cred * interworking_credentials_available( |
28f2a7c4 | 2172 | struct wpa_supplicant *wpa_s, struct wpa_bss *bss, int *excluded) |
4cad9df1 JM |
2173 | { |
2174 | struct wpa_cred *cred; | |
2175 | ||
28f2a7c4 JM |
2176 | if (excluded) |
2177 | *excluded = 0; | |
2178 | cred = interworking_credentials_available_helper(wpa_s, bss, 0, | |
2179 | excluded); | |
4cad9df1 JM |
2180 | if (cred) |
2181 | return cred; | |
28f2a7c4 JM |
2182 | return interworking_credentials_available_helper(wpa_s, bss, 1, |
2183 | excluded); | |
4cad9df1 JM |
2184 | } |
2185 | ||
2186 | ||
aa26ba68 JM |
2187 | int domain_name_list_contains(struct wpabuf *domain_names, |
2188 | const char *domain, int exact_match) | |
00bf219d JM |
2189 | { |
2190 | const u8 *pos, *end; | |
2191 | size_t len; | |
2192 | ||
9914c96f | 2193 | len = os_strlen(domain); |
00bf219d JM |
2194 | pos = wpabuf_head(domain_names); |
2195 | end = pos + wpabuf_len(domain_names); | |
2196 | ||
67fea55c JM |
2197 | while (end - pos > 1) { |
2198 | u8 elen; | |
2199 | ||
2200 | elen = *pos++; | |
2201 | if (elen > end - pos) | |
00bf219d JM |
2202 | break; |
2203 | ||
9914c96f | 2204 | wpa_hexdump_ascii(MSG_DEBUG, "Interworking: AP domain name", |
67fea55c JM |
2205 | pos, elen); |
2206 | if (elen == len && | |
2207 | os_strncasecmp(domain, (const char *) pos, len) == 0) | |
00bf219d | 2208 | return 1; |
67fea55c JM |
2209 | if (!exact_match && elen > len && pos[elen - len - 1] == '.') { |
2210 | const char *ap = (const char *) pos; | |
2211 | int offset = elen - len; | |
2212 | ||
bc00053c JM |
2213 | if (os_strncasecmp(domain, ap + offset, len) == 0) |
2214 | return 1; | |
2215 | } | |
00bf219d | 2216 | |
67fea55c | 2217 | pos += elen; |
00bf219d JM |
2218 | } |
2219 | ||
2220 | return 0; | |
2221 | } | |
2222 | ||
2223 | ||
e99b4f3a JM |
2224 | int interworking_home_sp_cred(struct wpa_supplicant *wpa_s, |
2225 | struct wpa_cred *cred, | |
2226 | struct wpabuf *domain_names) | |
9914c96f | 2227 | { |
463c8ffb | 2228 | size_t i; |
7617388e | 2229 | int ret = -1; |
9914c96f JM |
2230 | #ifdef INTERWORKING_3GPP |
2231 | char nai[100], *realm; | |
9914c96f | 2232 | |
e99b4f3a JM |
2233 | char *imsi = NULL; |
2234 | int mnc_len = 0; | |
2235 | if (cred->imsi) | |
2236 | imsi = cred->imsi; | |
729897a3 | 2237 | #ifdef PCSC_FUNCS |
72300408 JT |
2238 | else if (cred->pcsc && wpa_s->scard) { |
2239 | if (interworking_pcsc_read_imsi(wpa_s) < 0) | |
2240 | return -1; | |
e99b4f3a JM |
2241 | imsi = wpa_s->imsi; |
2242 | mnc_len = wpa_s->mnc_len; | |
2243 | } | |
729897a3 | 2244 | #endif /* PCSC_FUNCS */ |
e241b1b4 JM |
2245 | #ifdef CONFIG_EAP_PROXY |
2246 | else if (cred->pcsc && wpa_s->mnc_len > 0 && wpa_s->imsi[0]) { | |
2247 | imsi = wpa_s->imsi; | |
2248 | mnc_len = wpa_s->mnc_len; | |
2249 | } | |
2250 | #endif /* CONFIG_EAP_PROXY */ | |
953d25ca JM |
2251 | if (domain_names && |
2252 | imsi && build_root_nai(nai, sizeof(nai), imsi, mnc_len, 0) == 0) { | |
e99b4f3a JM |
2253 | realm = os_strchr(nai, '@'); |
2254 | if (realm) | |
2255 | realm++; | |
99805a0e BG |
2256 | wpa_msg(wpa_s, MSG_DEBUG, |
2257 | "Interworking: Search for match with SIM/USIM domain %s", | |
2258 | realm); | |
e99b4f3a | 2259 | if (realm && |
bc00053c | 2260 | domain_name_list_contains(domain_names, realm, 1)) |
e99b4f3a | 2261 | return 1; |
7617388e JM |
2262 | if (realm) |
2263 | ret = 0; | |
e99b4f3a | 2264 | } |
1bb7b8e8 JM |
2265 | #endif /* INTERWORKING_3GPP */ |
2266 | ||
953d25ca | 2267 | if (domain_names == NULL || cred->domain == NULL) |
7617388e | 2268 | return ret; |
1bb7b8e8 | 2269 | |
463c8ffb | 2270 | for (i = 0; i < cred->num_domain; i++) { |
99805a0e BG |
2271 | wpa_msg(wpa_s, MSG_DEBUG, |
2272 | "Interworking: Search for match with home SP FQDN %s", | |
2273 | cred->domain[i]); | |
bc00053c | 2274 | if (domain_name_list_contains(domain_names, cred->domain[i], 1)) |
463c8ffb JM |
2275 | return 1; |
2276 | } | |
e99b4f3a JM |
2277 | |
2278 | return 0; | |
2279 | } | |
2280 | ||
2281 | ||
2282 | static int interworking_home_sp(struct wpa_supplicant *wpa_s, | |
2283 | struct wpabuf *domain_names) | |
2284 | { | |
2285 | struct wpa_cred *cred; | |
2286 | ||
2287 | if (domain_names == NULL || wpa_s->conf->cred == NULL) | |
2288 | return -1; | |
2289 | ||
2290 | for (cred = wpa_s->conf->cred; cred; cred = cred->next) { | |
2291 | int res = interworking_home_sp_cred(wpa_s, cred, domain_names); | |
2292 | if (res) | |
2293 | return res; | |
9914c96f | 2294 | } |
9914c96f | 2295 | |
1bb7b8e8 | 2296 | return 0; |
9914c96f JM |
2297 | } |
2298 | ||
2299 | ||
5ed7880d JM |
2300 | static int interworking_find_network_match(struct wpa_supplicant *wpa_s) |
2301 | { | |
2302 | struct wpa_bss *bss; | |
2303 | struct wpa_ssid *ssid; | |
2304 | ||
2305 | dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) { | |
2306 | for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) { | |
349493bd | 2307 | if (wpas_network_disabled(wpa_s, ssid) || |
fea7c3a0 | 2308 | ssid->mode != WPAS_MODE_INFRA) |
5ed7880d JM |
2309 | continue; |
2310 | if (ssid->ssid_len != bss->ssid_len || | |
2311 | os_memcmp(ssid->ssid, bss->ssid, ssid->ssid_len) != | |
2312 | 0) | |
2313 | continue; | |
2314 | /* | |
2315 | * TODO: Consider more accurate matching of security | |
2316 | * configuration similarly to what is done in events.c | |
2317 | */ | |
2318 | return 1; | |
2319 | } | |
2320 | } | |
2321 | ||
2322 | return 0; | |
2323 | } | |
2324 | ||
2325 | ||
bc00053c JM |
2326 | static int roaming_partner_match(struct wpa_supplicant *wpa_s, |
2327 | struct roaming_partner *partner, | |
2328 | struct wpabuf *domain_names) | |
2329 | { | |
6402f2fe JM |
2330 | wpa_printf(MSG_DEBUG, "Interworking: Comparing roaming_partner info fqdn='%s' exact_match=%d priority=%u country='%s'", |
2331 | partner->fqdn, partner->exact_match, partner->priority, | |
2332 | partner->country); | |
2333 | wpa_hexdump_ascii(MSG_DEBUG, "Interworking: Domain names", | |
2334 | wpabuf_head(domain_names), | |
2335 | wpabuf_len(domain_names)); | |
bc00053c JM |
2336 | if (!domain_name_list_contains(domain_names, partner->fqdn, |
2337 | partner->exact_match)) | |
2338 | return 0; | |
2339 | /* TODO: match Country */ | |
2340 | return 1; | |
2341 | } | |
2342 | ||
2343 | ||
2344 | static u8 roaming_prio(struct wpa_supplicant *wpa_s, struct wpa_cred *cred, | |
2345 | struct wpa_bss *bss) | |
2346 | { | |
2347 | size_t i; | |
2348 | ||
6402f2fe JM |
2349 | if (bss->anqp == NULL || bss->anqp->domain_name == NULL) { |
2350 | wpa_printf(MSG_DEBUG, "Interworking: No ANQP domain name info -> use default roaming partner priority 128"); | |
bc00053c | 2351 | return 128; /* cannot check preference with domain name */ |
6402f2fe | 2352 | } |
bc00053c JM |
2353 | |
2354 | if (interworking_home_sp_cred(wpa_s, cred, bss->anqp->domain_name) > 0) | |
6402f2fe JM |
2355 | { |
2356 | wpa_printf(MSG_DEBUG, "Interworking: Determined to be home SP -> use maximum preference 0 as roaming partner priority"); | |
bc00053c | 2357 | return 0; /* max preference for home SP network */ |
6402f2fe | 2358 | } |
bc00053c JM |
2359 | |
2360 | for (i = 0; i < cred->num_roaming_partner; i++) { | |
2361 | if (roaming_partner_match(wpa_s, &cred->roaming_partner[i], | |
6402f2fe JM |
2362 | bss->anqp->domain_name)) { |
2363 | wpa_printf(MSG_DEBUG, "Interworking: Roaming partner preference match - priority %u", | |
2364 | cred->roaming_partner[i].priority); | |
bc00053c | 2365 | return cred->roaming_partner[i].priority; |
6402f2fe | 2366 | } |
bc00053c JM |
2367 | } |
2368 | ||
6402f2fe | 2369 | wpa_printf(MSG_DEBUG, "Interworking: No roaming partner preference match - use default roaming partner priority 128"); |
bc00053c JM |
2370 | return 128; |
2371 | } | |
2372 | ||
2373 | ||
2374 | static struct wpa_bss * pick_best_roaming_partner(struct wpa_supplicant *wpa_s, | |
2375 | struct wpa_bss *selected, | |
2376 | struct wpa_cred *cred) | |
2377 | { | |
2378 | struct wpa_bss *bss; | |
2379 | u8 best_prio, prio; | |
8b4b9fb3 | 2380 | struct wpa_cred *cred2; |
bc00053c JM |
2381 | |
2382 | /* | |
2383 | * Check if any other BSS is operated by a more preferred roaming | |
2384 | * partner. | |
2385 | */ | |
2386 | ||
2387 | best_prio = roaming_prio(wpa_s, cred, selected); | |
76a55a8e JM |
2388 | wpa_printf(MSG_DEBUG, "Interworking: roaming_prio=%u for selected BSS " |
2389 | MACSTR " (cred=%d)", best_prio, MAC2STR(selected->bssid), | |
2390 | cred->id); | |
bc00053c JM |
2391 | |
2392 | dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) { | |
2393 | if (bss == selected) | |
2394 | continue; | |
8b4b9fb3 JM |
2395 | cred2 = interworking_credentials_available(wpa_s, bss, NULL); |
2396 | if (!cred2) | |
bc00053c JM |
2397 | continue; |
2398 | if (!wpa_bss_get_ie(bss, WLAN_EID_RSN)) | |
2399 | continue; | |
8b4b9fb3 | 2400 | prio = roaming_prio(wpa_s, cred2, bss); |
76a55a8e JM |
2401 | wpa_printf(MSG_DEBUG, "Interworking: roaming_prio=%u for BSS " |
2402 | MACSTR " (cred=%d)", prio, MAC2STR(bss->bssid), | |
2403 | cred2->id); | |
bc00053c | 2404 | if (prio < best_prio) { |
8b4b9fb3 JM |
2405 | int bh1, bh2, load1, load2, conn1, conn2; |
2406 | bh1 = cred_below_min_backhaul(wpa_s, cred, selected); | |
2407 | load1 = cred_over_max_bss_load(wpa_s, cred, selected); | |
2408 | conn1 = cred_conn_capab_missing(wpa_s, cred, selected); | |
2409 | bh2 = cred_below_min_backhaul(wpa_s, cred2, bss); | |
2410 | load2 = cred_over_max_bss_load(wpa_s, cred2, bss); | |
2411 | conn2 = cred_conn_capab_missing(wpa_s, cred2, bss); | |
76a55a8e JM |
2412 | wpa_printf(MSG_DEBUG, "Interworking: old: %d %d %d new: %d %d %d", |
2413 | bh1, load1, conn1, bh2, load2, conn2); | |
8b4b9fb3 JM |
2414 | if (bh1 || load1 || conn1 || !(bh2 || load2 || conn2)) { |
2415 | wpa_printf(MSG_DEBUG, "Interworking: Better roaming partner " MACSTR " selected", MAC2STR(bss->bssid)); | |
2416 | best_prio = prio; | |
2417 | selected = bss; | |
2418 | } | |
bc00053c JM |
2419 | } |
2420 | } | |
2421 | ||
bc00053c JM |
2422 | return selected; |
2423 | } | |
2424 | ||
2425 | ||
b02fe7ff JM |
2426 | static void interworking_select_network(struct wpa_supplicant *wpa_s) |
2427 | { | |
00bf219d | 2428 | struct wpa_bss *bss, *selected = NULL, *selected_home = NULL; |
8b4b9fb3 | 2429 | struct wpa_bss *selected2 = NULL, *selected2_home = NULL; |
b02fe7ff | 2430 | unsigned int count = 0; |
00bf219d JM |
2431 | const char *type; |
2432 | int res; | |
bc00053c JM |
2433 | struct wpa_cred *cred, *selected_cred = NULL; |
2434 | struct wpa_cred *selected_home_cred = NULL; | |
8b4b9fb3 JM |
2435 | struct wpa_cred *selected2_cred = NULL; |
2436 | struct wpa_cred *selected2_home_cred = NULL; | |
b02fe7ff JM |
2437 | |
2438 | wpa_s->network_select = 0; | |
2439 | ||
76a55a8e JM |
2440 | wpa_printf(MSG_DEBUG, "Interworking: Select network (auto_select=%d)", |
2441 | wpa_s->auto_select); | |
b02fe7ff | 2442 | dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) { |
28f2a7c4 | 2443 | int excluded = 0; |
8b4b9fb3 | 2444 | int bh, bss_load, conn_capab; |
28f2a7c4 JM |
2445 | cred = interworking_credentials_available(wpa_s, bss, |
2446 | &excluded); | |
1a712d2f | 2447 | if (!cred) |
b02fe7ff | 2448 | continue; |
99805a0e | 2449 | |
63e5caaa JM |
2450 | if (!wpa_bss_get_ie(bss, WLAN_EID_RSN)) { |
2451 | /* | |
2452 | * We currently support only HS 2.0 networks and those | |
2453 | * are required to use WPA2-Enterprise. | |
2454 | */ | |
99805a0e BG |
2455 | wpa_msg(wpa_s, MSG_DEBUG, |
2456 | "Interworking: Credential match with " MACSTR | |
2457 | " but network does not use RSN", | |
2458 | MAC2STR(bss->bssid)); | |
63e5caaa JM |
2459 | continue; |
2460 | } | |
28f2a7c4 JM |
2461 | if (!excluded) |
2462 | count++; | |
476aed35 JM |
2463 | res = interworking_home_sp(wpa_s, bss->anqp ? |
2464 | bss->anqp->domain_name : NULL); | |
00bf219d JM |
2465 | if (res > 0) |
2466 | type = "home"; | |
2467 | else if (res == 0) | |
2468 | type = "roaming"; | |
2469 | else | |
2470 | type = "unknown"; | |
8b4b9fb3 JM |
2471 | bh = cred_below_min_backhaul(wpa_s, cred, bss); |
2472 | bss_load = cred_over_max_bss_load(wpa_s, cred, bss); | |
2473 | conn_capab = cred_conn_capab_missing(wpa_s, cred, bss); | |
74794891 | 2474 | wpa_msg(wpa_s, MSG_INFO, "%s" MACSTR " type=%s%s%s%s id=%d priority=%d sp_priority=%d", |
28f2a7c4 | 2475 | excluded ? INTERWORKING_BLACKLISTED : INTERWORKING_AP, |
4cad9df1 | 2476 | MAC2STR(bss->bssid), type, |
8b4b9fb3 JM |
2477 | bh ? " below_min_backhaul=1" : "", |
2478 | bss_load ? " over_max_bss_load=1" : "", | |
76a55a8e | 2479 | conn_capab ? " conn_capab_missing=1" : "", |
74794891 | 2480 | cred->id, cred->priority, cred->sp_priority); |
28f2a7c4 JM |
2481 | if (excluded) |
2482 | continue; | |
4d5bda5f JM |
2483 | if (wpa_s->auto_select || |
2484 | (wpa_s->conf->auto_interworking && | |
2485 | wpa_s->auto_network_select)) { | |
8b4b9fb3 | 2486 | if (bh || bss_load || conn_capab) { |
aff419f5 | 2487 | if (selected2_cred == NULL || |
751ac997 | 2488 | cred_prio_cmp(cred, selected2_cred) > 0) { |
76a55a8e | 2489 | wpa_printf(MSG_DEBUG, "Interworking: Mark as selected2"); |
8b4b9fb3 | 2490 | selected2 = bss; |
8b4b9fb3 JM |
2491 | selected2_cred = cred; |
2492 | } | |
2493 | if (res > 0 && | |
aff419f5 | 2494 | (selected2_home_cred == NULL || |
751ac997 JM |
2495 | cred_prio_cmp(cred, selected2_home_cred) > |
2496 | 0)) { | |
76a55a8e | 2497 | wpa_printf(MSG_DEBUG, "Interworking: Mark as selected2_home"); |
8b4b9fb3 | 2498 | selected2_home = bss; |
8b4b9fb3 JM |
2499 | selected2_home_cred = cred; |
2500 | } | |
2501 | } else { | |
aff419f5 | 2502 | if (selected_cred == NULL || |
751ac997 | 2503 | cred_prio_cmp(cred, selected_cred) > 0) { |
76a55a8e | 2504 | wpa_printf(MSG_DEBUG, "Interworking: Mark as selected"); |
8b4b9fb3 | 2505 | selected = bss; |
8b4b9fb3 JM |
2506 | selected_cred = cred; |
2507 | } | |
2508 | if (res > 0 && | |
aff419f5 | 2509 | (selected_home_cred == NULL || |
751ac997 JM |
2510 | cred_prio_cmp(cred, selected_home_cred) > |
2511 | 0)) { | |
76a55a8e | 2512 | wpa_printf(MSG_DEBUG, "Interworking: Mark as selected_home"); |
8b4b9fb3 | 2513 | selected_home = bss; |
8b4b9fb3 JM |
2514 | selected_home_cred = cred; |
2515 | } | |
1a712d2f | 2516 | } |
00bf219d JM |
2517 | } |
2518 | } | |
2519 | ||
1a712d2f | 2520 | if (selected_home && selected_home != selected && |
aff419f5 JM |
2521 | selected_home_cred && |
2522 | (selected_cred == NULL || | |
751ac997 | 2523 | cred_prio_cmp(selected_home_cred, selected_cred) >= 0)) { |
00bf219d | 2524 | /* Prefer network operated by the Home SP */ |
76a55a8e | 2525 | wpa_printf(MSG_DEBUG, "Interworking: Overrided selected with selected_home"); |
00bf219d | 2526 | selected = selected_home; |
bc00053c | 2527 | selected_cred = selected_home_cred; |
b02fe7ff JM |
2528 | } |
2529 | ||
8b4b9fb3 JM |
2530 | if (!selected) { |
2531 | if (selected2_home) { | |
2532 | wpa_printf(MSG_DEBUG, "Interworking: Use home BSS with BW limit mismatch since no other network could be selected"); | |
2533 | selected = selected2_home; | |
2534 | selected_cred = selected2_home_cred; | |
2535 | } else if (selected2) { | |
2536 | wpa_printf(MSG_DEBUG, "Interworking: Use visited BSS with BW limit mismatch since no other network could be selected"); | |
2537 | selected = selected2; | |
2538 | selected_cred = selected2_cred; | |
2539 | } | |
2540 | } | |
2541 | ||
b02fe7ff | 2542 | if (count == 0) { |
5ed7880d JM |
2543 | /* |
2544 | * No matching network was found based on configured | |
2545 | * credentials. Check whether any of the enabled network blocks | |
2546 | * have matching APs. | |
2547 | */ | |
2548 | if (interworking_find_network_match(wpa_s)) { | |
99805a0e BG |
2549 | wpa_msg(wpa_s, MSG_DEBUG, |
2550 | "Interworking: Possible BSS match for enabled network configurations"); | |
b77aeae7 | 2551 | if (wpa_s->auto_select) { |
2b95f57b | 2552 | interworking_reconnect(wpa_s); |
b77aeae7 MK |
2553 | return; |
2554 | } | |
5ed7880d JM |
2555 | } |
2556 | ||
4d5bda5f | 2557 | if (wpa_s->auto_network_select) { |
99805a0e BG |
2558 | wpa_msg(wpa_s, MSG_DEBUG, |
2559 | "Interworking: Continue scanning after ANQP fetch"); | |
4d5bda5f JM |
2560 | wpa_supplicant_req_scan(wpa_s, wpa_s->scan_interval, |
2561 | 0); | |
2562 | return; | |
2563 | } | |
2564 | ||
b02fe7ff JM |
2565 | wpa_msg(wpa_s, MSG_INFO, INTERWORKING_NO_MATCH "No network " |
2566 | "with matching credentials found"); | |
192ad3d7 JM |
2567 | if (wpa_s->wpa_state == WPA_SCANNING) |
2568 | wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED); | |
b02fe7ff JM |
2569 | } |
2570 | ||
bc00053c | 2571 | if (selected) { |
76a55a8e JM |
2572 | wpa_printf(MSG_DEBUG, "Interworking: Selected " MACSTR, |
2573 | MAC2STR(selected->bssid)); | |
bc00053c JM |
2574 | selected = pick_best_roaming_partner(wpa_s, selected, |
2575 | selected_cred); | |
76a55a8e JM |
2576 | wpa_printf(MSG_DEBUG, "Interworking: Selected " MACSTR |
2577 | " (after best roaming partner selection)", | |
2578 | MAC2STR(selected->bssid)); | |
2579 | wpa_msg(wpa_s, MSG_INFO, INTERWORKING_SELECTED MACSTR, | |
2580 | MAC2STR(selected->bssid)); | |
f91a512f | 2581 | interworking_connect(wpa_s, selected, 0); |
a5c723ad JM |
2582 | } else if (wpa_s->wpa_state == WPA_SCANNING) |
2583 | wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED); | |
b02fe7ff JM |
2584 | } |
2585 | ||
2586 | ||
53c9fc1d JM |
2587 | static struct wpa_bss_anqp * |
2588 | interworking_match_anqp_info(struct wpa_supplicant *wpa_s, struct wpa_bss *bss) | |
2589 | { | |
2590 | struct wpa_bss *other; | |
2591 | ||
2592 | if (is_zero_ether_addr(bss->hessid)) | |
2593 | return NULL; /* Cannot be in the same homegenous ESS */ | |
2594 | ||
2595 | dl_list_for_each(other, &wpa_s->bss, struct wpa_bss, list) { | |
2596 | if (other == bss) | |
2597 | continue; | |
2598 | if (other->anqp == NULL) | |
2599 | continue; | |
569d43c7 JM |
2600 | if (other->anqp->roaming_consortium == NULL && |
2601 | other->anqp->nai_realm == NULL && | |
2602 | other->anqp->anqp_3gpp == NULL && | |
2603 | other->anqp->domain_name == NULL) | |
2604 | continue; | |
53c9fc1d JM |
2605 | if (!(other->flags & WPA_BSS_ANQP_FETCH_TRIED)) |
2606 | continue; | |
2607 | if (os_memcmp(bss->hessid, other->hessid, ETH_ALEN) != 0) | |
2608 | continue; | |
2609 | if (bss->ssid_len != other->ssid_len || | |
2610 | os_memcmp(bss->ssid, other->ssid, bss->ssid_len) != 0) | |
2611 | continue; | |
2612 | ||
99805a0e BG |
2613 | wpa_msg(wpa_s, MSG_DEBUG, |
2614 | "Interworking: Share ANQP data with already fetched BSSID " | |
2615 | MACSTR " and " MACSTR, | |
2616 | MAC2STR(other->bssid), MAC2STR(bss->bssid)); | |
53c9fc1d JM |
2617 | other->anqp->users++; |
2618 | return other->anqp; | |
2619 | } | |
2620 | ||
2621 | return NULL; | |
2622 | } | |
2623 | ||
2624 | ||
afc064fe JM |
2625 | static void interworking_next_anqp_fetch(struct wpa_supplicant *wpa_s) |
2626 | { | |
2627 | struct wpa_bss *bss; | |
2628 | int found = 0; | |
afc064fe | 2629 | |
b572df86 JM |
2630 | wpa_printf(MSG_DEBUG, "Interworking: next_anqp_fetch - " |
2631 | "fetch_anqp_in_progress=%d fetch_osu_icon_in_progress=%d", | |
2632 | wpa_s->fetch_anqp_in_progress, | |
2633 | wpa_s->fetch_osu_icon_in_progress); | |
2634 | ||
2635 | if (eloop_terminated() || !wpa_s->fetch_anqp_in_progress) { | |
2636 | wpa_printf(MSG_DEBUG, "Interworking: Stop next-ANQP-fetch"); | |
afc064fe | 2637 | return; |
b572df86 JM |
2638 | } |
2639 | ||
876e74aa | 2640 | #ifdef CONFIG_HS20 |
b572df86 JM |
2641 | if (wpa_s->fetch_osu_icon_in_progress) { |
2642 | wpa_printf(MSG_DEBUG, "Interworking: Next icon (in progress)"); | |
2643 | hs20_next_osu_icon(wpa_s); | |
2644 | return; | |
2645 | } | |
876e74aa | 2646 | #endif /* CONFIG_HS20 */ |
afc064fe JM |
2647 | |
2648 | dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) { | |
2649 | if (!(bss->caps & IEEE80211_CAP_ESS)) | |
2650 | continue; | |
ed87f6a8 | 2651 | if (!wpa_bss_ext_capab(bss, WLAN_EXT_CAPAB_INTERWORKING)) |
afc064fe | 2652 | continue; /* AP does not support Interworking */ |
50589751 JM |
2653 | if (disallowed_bssid(wpa_s, bss->bssid) || |
2654 | disallowed_ssid(wpa_s, bss->ssid, bss->ssid_len)) | |
2655 | continue; /* Disallowed BSS */ | |
afc064fe JM |
2656 | |
2657 | if (!(bss->flags & WPA_BSS_ANQP_FETCH_TRIED)) { | |
476aed35 | 2658 | if (bss->anqp == NULL) { |
53c9fc1d JM |
2659 | bss->anqp = interworking_match_anqp_info(wpa_s, |
2660 | bss); | |
2661 | if (bss->anqp) { | |
2662 | /* Shared data already fetched */ | |
2663 | continue; | |
2664 | } | |
476aed35 JM |
2665 | bss->anqp = wpa_bss_anqp_alloc(); |
2666 | if (bss->anqp == NULL) | |
2667 | break; | |
2668 | } | |
afc064fe JM |
2669 | found++; |
2670 | bss->flags |= WPA_BSS_ANQP_FETCH_TRIED; | |
2671 | wpa_msg(wpa_s, MSG_INFO, "Starting ANQP fetch for " | |
2672 | MACSTR, MAC2STR(bss->bssid)); | |
2673 | interworking_anqp_send_req(wpa_s, bss); | |
2674 | break; | |
2675 | } | |
2676 | } | |
2677 | ||
2678 | if (found == 0) { | |
876e74aa | 2679 | #ifdef CONFIG_HS20 |
b572df86 | 2680 | if (wpa_s->fetch_osu_info) { |
a6739e19 | 2681 | if (wpa_s->num_prov_found == 0 && |
568475b7 | 2682 | wpa_s->fetch_osu_waiting_scan && |
a6739e19 JM |
2683 | wpa_s->num_osu_scans < 3) { |
2684 | wpa_printf(MSG_DEBUG, "HS 2.0: No OSU providers seen - try to scan again"); | |
2685 | hs20_start_osu_scan(wpa_s); | |
2686 | return; | |
2687 | } | |
b572df86 JM |
2688 | wpa_printf(MSG_DEBUG, "Interworking: Next icon"); |
2689 | hs20_osu_icon_fetch(wpa_s); | |
2690 | return; | |
2691 | } | |
876e74aa | 2692 | #endif /* CONFIG_HS20 */ |
afc064fe JM |
2693 | wpa_msg(wpa_s, MSG_INFO, "ANQP fetch completed"); |
2694 | wpa_s->fetch_anqp_in_progress = 0; | |
b02fe7ff JM |
2695 | if (wpa_s->network_select) |
2696 | interworking_select_network(wpa_s); | |
afc064fe JM |
2697 | } |
2698 | } | |
2699 | ||
2700 | ||
4d5bda5f | 2701 | void interworking_start_fetch_anqp(struct wpa_supplicant *wpa_s) |
afc064fe JM |
2702 | { |
2703 | struct wpa_bss *bss; | |
2704 | ||
afc064fe JM |
2705 | dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) |
2706 | bss->flags &= ~WPA_BSS_ANQP_FETCH_TRIED; | |
2707 | ||
2708 | wpa_s->fetch_anqp_in_progress = 1; | |
edd5939a JM |
2709 | |
2710 | /* | |
2711 | * Start actual ANQP operation from eloop call to make sure the loop | |
2712 | * does not end up using excessive recursion. | |
2713 | */ | |
2714 | eloop_register_timeout(0, 0, interworking_continue_anqp, wpa_s, NULL); | |
b02fe7ff JM |
2715 | } |
2716 | ||
2717 | ||
2718 | int interworking_fetch_anqp(struct wpa_supplicant *wpa_s) | |
2719 | { | |
2720 | if (wpa_s->fetch_anqp_in_progress || wpa_s->network_select) | |
2721 | return 0; | |
2722 | ||
2723 | wpa_s->network_select = 0; | |
7ff83367 | 2724 | wpa_s->fetch_all_anqp = 1; |
b572df86 | 2725 | wpa_s->fetch_osu_info = 0; |
b02fe7ff JM |
2726 | |
2727 | interworking_start_fetch_anqp(wpa_s); | |
afc064fe JM |
2728 | |
2729 | return 0; | |
2730 | } | |
2731 | ||
2732 | ||
2733 | void interworking_stop_fetch_anqp(struct wpa_supplicant *wpa_s) | |
2734 | { | |
2735 | if (!wpa_s->fetch_anqp_in_progress) | |
2736 | return; | |
2737 | ||
2738 | wpa_s->fetch_anqp_in_progress = 0; | |
2739 | } | |
2740 | ||
2741 | ||
2742 | int anqp_send_req(struct wpa_supplicant *wpa_s, const u8 *dst, | |
8f479174 | 2743 | u16 info_ids[], size_t num_ids, u32 subtypes, |
2316cb35 | 2744 | u32 mbo_subtypes) |
afc064fe JM |
2745 | { |
2746 | struct wpabuf *buf; | |
8f479174 | 2747 | struct wpabuf *extra_buf = NULL; |
afc064fe JM |
2748 | int ret = 0; |
2749 | int freq; | |
2750 | struct wpa_bss *bss; | |
2751 | int res; | |
2752 | ||
afc064fe | 2753 | bss = wpa_bss_get_bssid(wpa_s, dst); |
0c280718 MG |
2754 | if (!bss) { |
2755 | wpa_printf(MSG_WARNING, | |
2756 | "ANQP: Cannot send query to unknown BSS " | |
2757 | MACSTR, MAC2STR(dst)); | |
afc064fe | 2758 | return -1; |
0c280718 MG |
2759 | } |
2760 | ||
2761 | wpa_bss_anqp_unshare_alloc(bss); | |
2762 | freq = bss->freq; | |
afc064fe | 2763 | |
99805a0e BG |
2764 | wpa_msg(wpa_s, MSG_DEBUG, |
2765 | "ANQP: Query Request to " MACSTR " for %u id(s)", | |
2766 | MAC2STR(dst), (unsigned int) num_ids); | |
afc064fe | 2767 | |
cf28c66b DS |
2768 | #ifdef CONFIG_HS20 |
2769 | if (subtypes != 0) { | |
8f479174 | 2770 | extra_buf = wpabuf_alloc(100); |
2771 | if (extra_buf == NULL) | |
cf28c66b | 2772 | return -1; |
8f479174 | 2773 | hs20_put_anqp_req(subtypes, NULL, 0, extra_buf); |
cf28c66b DS |
2774 | } |
2775 | #endif /* CONFIG_HS20 */ | |
2776 | ||
8f479174 | 2777 | #ifdef CONFIG_MBO |
2316cb35 | 2778 | if (mbo_subtypes) { |
8f479174 | 2779 | struct wpabuf *mbo; |
2780 | ||
2316cb35 | 2781 | mbo = mbo_build_anqp_buf(wpa_s, bss, mbo_subtypes); |
8f479174 | 2782 | if (mbo) { |
2783 | if (wpabuf_resize(&extra_buf, wpabuf_len(mbo))) { | |
2784 | wpabuf_free(extra_buf); | |
422570ee | 2785 | wpabuf_free(mbo); |
8f479174 | 2786 | return -1; |
2787 | } | |
2788 | wpabuf_put_buf(extra_buf, mbo); | |
2789 | wpabuf_free(mbo); | |
2790 | } | |
2791 | } | |
2792 | #endif /* CONFIG_MBO */ | |
2793 | ||
2794 | buf = anqp_build_req(info_ids, num_ids, extra_buf); | |
2795 | wpabuf_free(extra_buf); | |
afc064fe JM |
2796 | if (buf == NULL) |
2797 | return -1; | |
2798 | ||
aca4d84e | 2799 | res = gas_query_req(wpa_s->gas, dst, freq, 0, buf, anqp_resp_cb, wpa_s); |
afc064fe | 2800 | if (res < 0) { |
99805a0e | 2801 | wpa_msg(wpa_s, MSG_DEBUG, "ANQP: Failed to send Query Request"); |
24c694b4 | 2802 | wpabuf_free(buf); |
afc064fe | 2803 | ret = -1; |
99805a0e BG |
2804 | } else { |
2805 | wpa_msg(wpa_s, MSG_DEBUG, | |
2806 | "ANQP: Query started with dialog token %u", res); | |
2807 | } | |
afc064fe | 2808 | |
afc064fe JM |
2809 | return ret; |
2810 | } | |
2811 | ||
2812 | ||
8c4a1026 JM |
2813 | static void anqp_add_extra(struct wpa_supplicant *wpa_s, |
2814 | struct wpa_bss_anqp *anqp, u16 info_id, | |
2815 | const u8 *data, size_t slen) | |
2816 | { | |
2817 | struct wpa_bss_anqp_elem *tmp, *elem = NULL; | |
2818 | ||
2819 | if (!anqp) | |
2820 | return; | |
2821 | ||
2822 | dl_list_for_each(tmp, &anqp->anqp_elems, struct wpa_bss_anqp_elem, | |
2823 | list) { | |
2824 | if (tmp->infoid == info_id) { | |
2825 | elem = tmp; | |
2826 | break; | |
2827 | } | |
2828 | } | |
2829 | ||
2830 | if (!elem) { | |
2831 | elem = os_zalloc(sizeof(*elem)); | |
2832 | if (!elem) | |
2833 | return; | |
2834 | elem->infoid = info_id; | |
2835 | dl_list_add(&anqp->anqp_elems, &elem->list); | |
2836 | } else { | |
2837 | wpabuf_free(elem->payload); | |
2838 | } | |
2839 | ||
2840 | elem->payload = wpabuf_alloc_copy(data, slen); | |
2841 | if (!elem->payload) { | |
2842 | dl_list_del(&elem->list); | |
2843 | os_free(elem); | |
2844 | } | |
2845 | } | |
2846 | ||
2847 | ||
3ecb8a52 JM |
2848 | static void interworking_parse_venue_url(struct wpa_supplicant *wpa_s, |
2849 | const u8 *data, size_t len) | |
2850 | { | |
2851 | const u8 *pos = data, *end = data + len; | |
2852 | char url[255]; | |
2853 | ||
2854 | while (end - pos >= 2) { | |
2855 | u8 slen, num; | |
2856 | ||
2857 | slen = *pos++; | |
2858 | if (slen < 1 || slen > end - pos) { | |
2859 | wpa_printf(MSG_DEBUG, | |
2860 | "ANQP: Truncated Venue URL Duple field"); | |
2861 | return; | |
2862 | } | |
2863 | ||
2864 | num = *pos++; | |
2865 | os_memcpy(url, pos, slen - 1); | |
2866 | url[slen - 1] = '\0'; | |
2867 | wpa_msg(wpa_s, MSG_INFO, RX_VENUE_URL "%u %s", num, url); | |
2868 | pos += slen - 1; | |
2869 | } | |
2870 | } | |
2871 | ||
2872 | ||
afc064fe | 2873 | static void interworking_parse_rx_anqp_resp(struct wpa_supplicant *wpa_s, |
17b8995c JM |
2874 | struct wpa_bss *bss, const u8 *sa, |
2875 | u16 info_id, | |
8dd5c1b4 JN |
2876 | const u8 *data, size_t slen, |
2877 | u8 dialog_token) | |
afc064fe JM |
2878 | { |
2879 | const u8 *pos = data; | |
476aed35 | 2880 | struct wpa_bss_anqp *anqp = NULL; |
2249d714 | 2881 | u8 type; |
afc064fe | 2882 | |
476aed35 JM |
2883 | if (bss) |
2884 | anqp = bss->anqp; | |
2885 | ||
afc064fe JM |
2886 | switch (info_id) { |
2887 | case ANQP_CAPABILITY_LIST: | |
f465c32d | 2888 | wpa_msg(wpa_s, MSG_INFO, RX_ANQP MACSTR |
afc064fe | 2889 | " ANQP Capability list", MAC2STR(sa)); |
5ce6ac11 AN |
2890 | wpa_hexdump_ascii(MSG_DEBUG, "ANQP: Capability list", |
2891 | pos, slen); | |
2892 | if (anqp) { | |
2893 | wpabuf_free(anqp->capability_list); | |
2894 | anqp->capability_list = wpabuf_alloc_copy(pos, slen); | |
2895 | } | |
afc064fe JM |
2896 | break; |
2897 | case ANQP_VENUE_NAME: | |
f465c32d | 2898 | wpa_msg(wpa_s, MSG_INFO, RX_ANQP MACSTR |
afc064fe JM |
2899 | " Venue Name", MAC2STR(sa)); |
2900 | wpa_hexdump_ascii(MSG_DEBUG, "ANQP: Venue Name", pos, slen); | |
476aed35 JM |
2901 | if (anqp) { |
2902 | wpabuf_free(anqp->venue_name); | |
2903 | anqp->venue_name = wpabuf_alloc_copy(pos, slen); | |
afc064fe JM |
2904 | } |
2905 | break; | |
2906 | case ANQP_NETWORK_AUTH_TYPE: | |
f465c32d | 2907 | wpa_msg(wpa_s, MSG_INFO, RX_ANQP MACSTR |
afc064fe JM |
2908 | " Network Authentication Type information", |
2909 | MAC2STR(sa)); | |
2910 | wpa_hexdump_ascii(MSG_DEBUG, "ANQP: Network Authentication " | |
2911 | "Type", pos, slen); | |
476aed35 JM |
2912 | if (anqp) { |
2913 | wpabuf_free(anqp->network_auth_type); | |
2914 | anqp->network_auth_type = wpabuf_alloc_copy(pos, slen); | |
afc064fe JM |
2915 | } |
2916 | break; | |
2917 | case ANQP_ROAMING_CONSORTIUM: | |
f465c32d | 2918 | wpa_msg(wpa_s, MSG_INFO, RX_ANQP MACSTR |
afc064fe JM |
2919 | " Roaming Consortium list", MAC2STR(sa)); |
2920 | wpa_hexdump_ascii(MSG_DEBUG, "ANQP: Roaming Consortium", | |
2921 | pos, slen); | |
476aed35 JM |
2922 | if (anqp) { |
2923 | wpabuf_free(anqp->roaming_consortium); | |
2924 | anqp->roaming_consortium = wpabuf_alloc_copy(pos, slen); | |
afc064fe JM |
2925 | } |
2926 | break; | |
2927 | case ANQP_IP_ADDR_TYPE_AVAILABILITY: | |
f465c32d | 2928 | wpa_msg(wpa_s, MSG_INFO, RX_ANQP MACSTR |
afc064fe JM |
2929 | " IP Address Type Availability information", |
2930 | MAC2STR(sa)); | |
2931 | wpa_hexdump(MSG_MSGDUMP, "ANQP: IP Address Availability", | |
2932 | pos, slen); | |
476aed35 JM |
2933 | if (anqp) { |
2934 | wpabuf_free(anqp->ip_addr_type_availability); | |
2935 | anqp->ip_addr_type_availability = | |
afc064fe JM |
2936 | wpabuf_alloc_copy(pos, slen); |
2937 | } | |
2938 | break; | |
2939 | case ANQP_NAI_REALM: | |
f465c32d | 2940 | wpa_msg(wpa_s, MSG_INFO, RX_ANQP MACSTR |
afc064fe JM |
2941 | " NAI Realm list", MAC2STR(sa)); |
2942 | wpa_hexdump_ascii(MSG_DEBUG, "ANQP: NAI Realm", pos, slen); | |
476aed35 JM |
2943 | if (anqp) { |
2944 | wpabuf_free(anqp->nai_realm); | |
2945 | anqp->nai_realm = wpabuf_alloc_copy(pos, slen); | |
afc064fe JM |
2946 | } |
2947 | break; | |
2948 | case ANQP_3GPP_CELLULAR_NETWORK: | |
f465c32d | 2949 | wpa_msg(wpa_s, MSG_INFO, RX_ANQP MACSTR |
afc064fe JM |
2950 | " 3GPP Cellular Network information", MAC2STR(sa)); |
2951 | wpa_hexdump_ascii(MSG_DEBUG, "ANQP: 3GPP Cellular Network", | |
2952 | pos, slen); | |
476aed35 JM |
2953 | if (anqp) { |
2954 | wpabuf_free(anqp->anqp_3gpp); | |
2955 | anqp->anqp_3gpp = wpabuf_alloc_copy(pos, slen); | |
afc064fe JM |
2956 | } |
2957 | break; | |
2958 | case ANQP_DOMAIN_NAME: | |
f465c32d | 2959 | wpa_msg(wpa_s, MSG_INFO, RX_ANQP MACSTR |
afc064fe JM |
2960 | " Domain Name list", MAC2STR(sa)); |
2961 | wpa_hexdump_ascii(MSG_MSGDUMP, "ANQP: Domain Name", pos, slen); | |
476aed35 JM |
2962 | if (anqp) { |
2963 | wpabuf_free(anqp->domain_name); | |
2964 | anqp->domain_name = wpabuf_alloc_copy(pos, slen); | |
afc064fe JM |
2965 | } |
2966 | break; | |
9cad6186 JM |
2967 | #ifdef CONFIG_FILS |
2968 | case ANQP_FILS_REALM_INFO: | |
2969 | wpa_msg(wpa_s, MSG_INFO, RX_ANQP MACSTR | |
2970 | " FILS Realm Information", MAC2STR(sa)); | |
2971 | wpa_hexdump_ascii(MSG_MSGDUMP, "ANQP: FILS Realm Information", | |
2972 | pos, slen); | |
2973 | if (anqp) { | |
2974 | wpabuf_free(anqp->fils_realm_info); | |
2975 | anqp->fils_realm_info = wpabuf_alloc_copy(pos, slen); | |
2976 | } | |
2977 | break; | |
2978 | #endif /* CONFIG_FILS */ | |
3ecb8a52 JM |
2979 | case ANQP_VENUE_URL: |
2980 | wpa_msg(wpa_s, MSG_INFO, RX_ANQP MACSTR " Venue URL", | |
2981 | MAC2STR(sa)); | |
2982 | anqp_add_extra(wpa_s, anqp, info_id, pos, slen); | |
2983 | ||
3ce48c44 | 2984 | if (!pmf_in_use(wpa_s, sa)) { |
3ecb8a52 JM |
2985 | wpa_printf(MSG_DEBUG, |
2986 | "ANQP: Ignore Venue URL since PMF was not enabled"); | |
2987 | break; | |
2988 | } | |
2989 | interworking_parse_venue_url(wpa_s, pos, slen); | |
2990 | break; | |
afc064fe JM |
2991 | case ANQP_VENDOR_SPECIFIC: |
2992 | if (slen < 3) | |
2993 | return; | |
2994 | ||
2995 | switch (WPA_GET_BE24(pos)) { | |
2249d714 JM |
2996 | case OUI_WFA: |
2997 | pos += 3; | |
2998 | slen -= 3; | |
2999 | ||
3000 | if (slen < 1) | |
3001 | return; | |
3002 | type = *pos++; | |
3003 | slen--; | |
3004 | ||
3005 | switch (type) { | |
34f28519 | 3006 | #ifdef CONFIG_HS20 |
2249d714 | 3007 | case HS20_ANQP_OUI_TYPE: |
8266e6c6 | 3008 | hs20_parse_rx_hs20_anqp_resp(wpa_s, bss, sa, |
8dd5c1b4 JN |
3009 | pos, slen, |
3010 | dialog_token); | |
2249d714 | 3011 | break; |
34f28519 JM |
3012 | #endif /* CONFIG_HS20 */ |
3013 | #ifdef CONFIG_MBO | |
3014 | case MBO_ANQP_OUI_TYPE: | |
3015 | mbo_parse_rx_anqp_resp(wpa_s, bss, sa, | |
3016 | pos, slen); | |
3017 | break; | |
3018 | #endif /* CONFIG_MBO */ | |
2249d714 | 3019 | default: |
99805a0e | 3020 | wpa_msg(wpa_s, MSG_DEBUG, |
34f28519 | 3021 | "ANQP: Unsupported ANQP vendor type %u", |
99805a0e | 3022 | type); |
2249d714 JM |
3023 | break; |
3024 | } | |
3025 | break; | |
afc064fe | 3026 | default: |
99805a0e BG |
3027 | wpa_msg(wpa_s, MSG_DEBUG, |
3028 | "Interworking: Unsupported vendor-specific ANQP OUI %06x", | |
3029 | WPA_GET_BE24(pos)); | |
afc064fe JM |
3030 | return; |
3031 | } | |
3032 | break; | |
3033 | default: | |
99805a0e BG |
3034 | wpa_msg(wpa_s, MSG_DEBUG, |
3035 | "Interworking: Unsupported ANQP Info ID %u", info_id); | |
8c4a1026 | 3036 | anqp_add_extra(wpa_s, anqp, info_id, data, slen); |
afc064fe JM |
3037 | break; |
3038 | } | |
3039 | } | |
3040 | ||
3041 | ||
3042 | void anqp_resp_cb(void *ctx, const u8 *dst, u8 dialog_token, | |
3043 | enum gas_query_result result, | |
3044 | const struct wpabuf *adv_proto, | |
3045 | const struct wpabuf *resp, u16 status_code) | |
3046 | { | |
3047 | struct wpa_supplicant *wpa_s = ctx; | |
3048 | const u8 *pos; | |
3049 | const u8 *end; | |
3050 | u16 info_id; | |
3051 | u16 slen; | |
17b8995c | 3052 | struct wpa_bss *bss = NULL, *tmp; |
fb09ed33 | 3053 | const char *anqp_result = "SUCCESS"; |
afc064fe | 3054 | |
b572df86 JM |
3055 | wpa_printf(MSG_DEBUG, "Interworking: anqp_resp_cb dst=" MACSTR |
3056 | " dialog_token=%u result=%d status_code=%u", | |
3057 | MAC2STR(dst), dialog_token, result, status_code); | |
3058 | if (result != GAS_QUERY_SUCCESS) { | |
876e74aa | 3059 | #ifdef CONFIG_HS20 |
b572df86 JM |
3060 | if (wpa_s->fetch_osu_icon_in_progress) |
3061 | hs20_icon_fetch_failed(wpa_s); | |
876e74aa | 3062 | #endif /* CONFIG_HS20 */ |
fb09ed33 AN |
3063 | anqp_result = "FAILURE"; |
3064 | goto out; | |
b572df86 | 3065 | } |
afc064fe JM |
3066 | |
3067 | pos = wpabuf_head(adv_proto); | |
3068 | if (wpabuf_len(adv_proto) < 4 || pos[0] != WLAN_EID_ADV_PROTO || | |
3069 | pos[1] < 2 || pos[3] != ACCESS_NETWORK_QUERY_PROTOCOL) { | |
99805a0e BG |
3070 | wpa_msg(wpa_s, MSG_DEBUG, |
3071 | "ANQP: Unexpected Advertisement Protocol in response"); | |
876e74aa | 3072 | #ifdef CONFIG_HS20 |
b572df86 JM |
3073 | if (wpa_s->fetch_osu_icon_in_progress) |
3074 | hs20_icon_fetch_failed(wpa_s); | |
876e74aa | 3075 | #endif /* CONFIG_HS20 */ |
fb09ed33 AN |
3076 | anqp_result = "INVALID_FRAME"; |
3077 | goto out; | |
afc064fe JM |
3078 | } |
3079 | ||
17b8995c JM |
3080 | /* |
3081 | * If possible, select the BSS entry based on which BSS entry was used | |
3082 | * for the request. This can help in cases where multiple BSS entries | |
3083 | * may exist for the same AP. | |
3084 | */ | |
3085 | dl_list_for_each_reverse(tmp, &wpa_s->bss, struct wpa_bss, list) { | |
3086 | if (tmp == wpa_s->interworking_gas_bss && | |
3087 | os_memcmp(tmp->bssid, dst, ETH_ALEN) == 0) { | |
3088 | bss = tmp; | |
3089 | break; | |
3090 | } | |
3091 | } | |
3092 | if (bss == NULL) | |
3093 | bss = wpa_bss_get_bssid(wpa_s, dst); | |
3094 | ||
afc064fe JM |
3095 | pos = wpabuf_head(resp); |
3096 | end = pos + wpabuf_len(resp); | |
3097 | ||
3098 | while (pos < end) { | |
43aee948 JM |
3099 | unsigned int left = end - pos; |
3100 | ||
3101 | if (left < 4) { | |
99805a0e | 3102 | wpa_msg(wpa_s, MSG_DEBUG, "ANQP: Invalid element"); |
fb09ed33 AN |
3103 | anqp_result = "INVALID_FRAME"; |
3104 | goto out_parse_done; | |
afc064fe JM |
3105 | } |
3106 | info_id = WPA_GET_LE16(pos); | |
3107 | pos += 2; | |
3108 | slen = WPA_GET_LE16(pos); | |
3109 | pos += 2; | |
43aee948 JM |
3110 | left -= 4; |
3111 | if (left < slen) { | |
99805a0e BG |
3112 | wpa_msg(wpa_s, MSG_DEBUG, |
3113 | "ANQP: Invalid element length for Info ID %u", | |
3114 | info_id); | |
fb09ed33 AN |
3115 | anqp_result = "INVALID_FRAME"; |
3116 | goto out_parse_done; | |
afc064fe | 3117 | } |
17b8995c | 3118 | interworking_parse_rx_anqp_resp(wpa_s, bss, dst, info_id, pos, |
8dd5c1b4 | 3119 | slen, dialog_token); |
afc064fe JM |
3120 | pos += slen; |
3121 | } | |
b572df86 | 3122 | |
fb09ed33 | 3123 | out_parse_done: |
876e74aa | 3124 | #ifdef CONFIG_HS20 |
b572df86 | 3125 | hs20_notify_parse_done(wpa_s); |
876e74aa | 3126 | #endif /* CONFIG_HS20 */ |
fb09ed33 AN |
3127 | out: |
3128 | wpa_msg(wpa_s, MSG_INFO, ANQP_QUERY_DONE "addr=" MACSTR " result=%s", | |
3129 | MAC2STR(dst), anqp_result); | |
afc064fe | 3130 | } |
b02fe7ff JM |
3131 | |
3132 | ||
3133 | static void interworking_scan_res_handler(struct wpa_supplicant *wpa_s, | |
3134 | struct wpa_scan_results *scan_res) | |
3135 | { | |
99805a0e BG |
3136 | wpa_msg(wpa_s, MSG_DEBUG, |
3137 | "Interworking: Scan results available - start ANQP fetch"); | |
b02fe7ff JM |
3138 | interworking_start_fetch_anqp(wpa_s); |
3139 | } | |
3140 | ||
3141 | ||
356d1488 JM |
3142 | int interworking_select(struct wpa_supplicant *wpa_s, int auto_select, |
3143 | int *freqs) | |
b02fe7ff JM |
3144 | { |
3145 | interworking_stop_fetch_anqp(wpa_s); | |
3146 | wpa_s->network_select = 1; | |
4d5bda5f | 3147 | wpa_s->auto_network_select = 0; |
b02fe7ff | 3148 | wpa_s->auto_select = !!auto_select; |
7ff83367 | 3149 | wpa_s->fetch_all_anqp = 0; |
b572df86 | 3150 | wpa_s->fetch_osu_info = 0; |
99805a0e BG |
3151 | wpa_msg(wpa_s, MSG_DEBUG, |
3152 | "Interworking: Start scan for network selection"); | |
b02fe7ff | 3153 | wpa_s->scan_res_handler = interworking_scan_res_handler; |
1bd05d04 | 3154 | wpa_s->normal_scans = 0; |
4115303b | 3155 | wpa_s->scan_req = MANUAL_SCAN_REQ; |
356d1488 JM |
3156 | os_free(wpa_s->manual_scan_freqs); |
3157 | wpa_s->manual_scan_freqs = freqs; | |
1bd05d04 | 3158 | wpa_s->after_wps = 0; |
d20c340f | 3159 | wpa_s->known_wps_freq = 0; |
b02fe7ff JM |
3160 | wpa_supplicant_req_scan(wpa_s, 0, 0); |
3161 | ||
3162 | return 0; | |
3163 | } | |
b1f12296 JM |
3164 | |
3165 | ||
3166 | static void gas_resp_cb(void *ctx, const u8 *addr, u8 dialog_token, | |
3167 | enum gas_query_result result, | |
3168 | const struct wpabuf *adv_proto, | |
3169 | const struct wpabuf *resp, u16 status_code) | |
3170 | { | |
3171 | struct wpa_supplicant *wpa_s = ctx; | |
b6a9590b | 3172 | struct wpabuf *n; |
b1f12296 JM |
3173 | |
3174 | wpa_msg(wpa_s, MSG_INFO, GAS_RESPONSE_INFO "addr=" MACSTR | |
3175 | " dialog_token=%d status_code=%d resp_len=%d", | |
3176 | MAC2STR(addr), dialog_token, status_code, | |
3177 | resp ? (int) wpabuf_len(resp) : -1); | |
3178 | if (!resp) | |
3179 | return; | |
3180 | ||
b6a9590b JM |
3181 | n = wpabuf_dup(resp); |
3182 | if (n == NULL) | |
b1f12296 | 3183 | return; |
b6a9590b JM |
3184 | wpabuf_free(wpa_s->prev_gas_resp); |
3185 | wpa_s->prev_gas_resp = wpa_s->last_gas_resp; | |
3186 | os_memcpy(wpa_s->prev_gas_addr, wpa_s->last_gas_addr, ETH_ALEN); | |
3187 | wpa_s->prev_gas_dialog_token = wpa_s->last_gas_dialog_token; | |
3188 | wpa_s->last_gas_resp = n; | |
b1f12296 JM |
3189 | os_memcpy(wpa_s->last_gas_addr, addr, ETH_ALEN); |
3190 | wpa_s->last_gas_dialog_token = dialog_token; | |
3191 | } | |
3192 | ||
3193 | ||
3194 | int gas_send_request(struct wpa_supplicant *wpa_s, const u8 *dst, | |
3195 | const struct wpabuf *adv_proto, | |
3196 | const struct wpabuf *query) | |
3197 | { | |
3198 | struct wpabuf *buf; | |
3199 | int ret = 0; | |
3200 | int freq; | |
3201 | struct wpa_bss *bss; | |
3202 | int res; | |
3203 | size_t len; | |
8b65fefe | 3204 | u8 query_resp_len_limit = 0; |
b1f12296 JM |
3205 | |
3206 | freq = wpa_s->assoc_freq; | |
3207 | bss = wpa_bss_get_bssid(wpa_s, dst); | |
3208 | if (bss) | |
3209 | freq = bss->freq; | |
3210 | if (freq <= 0) | |
3211 | return -1; | |
3212 | ||
99805a0e BG |
3213 | wpa_msg(wpa_s, MSG_DEBUG, "GAS request to " MACSTR " (freq %d MHz)", |
3214 | MAC2STR(dst), freq); | |
b1f12296 JM |
3215 | wpa_hexdump_buf(MSG_DEBUG, "Advertisement Protocol ID", adv_proto); |
3216 | wpa_hexdump_buf(MSG_DEBUG, "GAS Query", query); | |
3217 | ||
3218 | len = 3 + wpabuf_len(adv_proto) + 2; | |
3219 | if (query) | |
3220 | len += wpabuf_len(query); | |
3221 | buf = gas_build_initial_req(0, len); | |
3222 | if (buf == NULL) | |
3223 | return -1; | |
3224 | ||
3225 | /* Advertisement Protocol IE */ | |
3226 | wpabuf_put_u8(buf, WLAN_EID_ADV_PROTO); | |
3227 | wpabuf_put_u8(buf, 1 + wpabuf_len(adv_proto)); /* Length */ | |
8b65fefe | 3228 | wpabuf_put_u8(buf, query_resp_len_limit & 0x7f); |
b1f12296 JM |
3229 | wpabuf_put_buf(buf, adv_proto); |
3230 | ||
3231 | /* GAS Query */ | |
3232 | if (query) { | |
3233 | wpabuf_put_le16(buf, wpabuf_len(query)); | |
3234 | wpabuf_put_buf(buf, query); | |
3235 | } else | |
3236 | wpabuf_put_le16(buf, 0); | |
3237 | ||
aca4d84e | 3238 | res = gas_query_req(wpa_s->gas, dst, freq, 0, buf, gas_resp_cb, wpa_s); |
b1f12296 | 3239 | if (res < 0) { |
99805a0e | 3240 | wpa_msg(wpa_s, MSG_DEBUG, "GAS: Failed to send Query Request"); |
24c694b4 | 3241 | wpabuf_free(buf); |
b1f12296 JM |
3242 | ret = -1; |
3243 | } else | |
99805a0e BG |
3244 | wpa_msg(wpa_s, MSG_DEBUG, |
3245 | "GAS: Query started with dialog token %u", res); | |
b1f12296 | 3246 | |
b1f12296 JM |
3247 | return ret; |
3248 | } |