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6fc6879b JM |
1 | /* |
2 | * WPA Supplicant - Glue code to setup EAPOL and RSN modules | |
56586197 | 3 | * Copyright (c) 2003-2008, Jouni Malinen <j@w1.fi> |
6fc6879b | 4 | * |
0f3d578e JM |
5 | * This software may be distributed under the terms of the BSD license. |
6 | * See README for more details. | |
6fc6879b JM |
7 | */ |
8 | ||
9 | #include "includes.h" | |
10 | ||
11 | #include "common.h" | |
12 | #include "eapol_supp/eapol_supp_sm.h" | |
3acb5005 | 13 | #include "rsn_supp/wpa.h" |
6fc6879b JM |
14 | #include "eloop.h" |
15 | #include "config.h" | |
16 | #include "l2_packet/l2_packet.h" | |
90973fb2 | 17 | #include "common/wpa_common.h" |
6fc6879b | 18 | #include "wpa_supplicant_i.h" |
2d5b792d | 19 | #include "driver_i.h" |
3acb5005 | 20 | #include "rsn_supp/pmksa_cache.h" |
c2a04078 | 21 | #include "sme.h" |
90973fb2 JM |
22 | #include "common/ieee802_11_defs.h" |
23 | #include "common/wpa_ctrl.h" | |
6fc6879b | 24 | #include "wpas_glue.h" |
fa201b69 | 25 | #include "wps_supplicant.h" |
e48f0fb6 | 26 | #include "bss.h" |
9ba9fa07 | 27 | #include "scan.h" |
ade74830 | 28 | #include "notify.h" |
6fc6879b JM |
29 | |
30 | ||
31 | #ifndef CONFIG_NO_CONFIG_BLOBS | |
32 | #if defined(IEEE8021X_EAPOL) || !defined(CONFIG_NO_WPA) | |
33 | static void wpa_supplicant_set_config_blob(void *ctx, | |
34 | struct wpa_config_blob *blob) | |
35 | { | |
36 | struct wpa_supplicant *wpa_s = ctx; | |
37 | wpa_config_set_blob(wpa_s->conf, blob); | |
c08b9180 JM |
38 | if (wpa_s->conf->update_config) { |
39 | int ret = wpa_config_write(wpa_s->confname, wpa_s->conf); | |
40 | if (ret) { | |
41 | wpa_printf(MSG_DEBUG, "Failed to update config after " | |
42 | "blob set"); | |
43 | } | |
44 | } | |
6fc6879b JM |
45 | } |
46 | ||
47 | ||
48 | static const struct wpa_config_blob * | |
49 | wpa_supplicant_get_config_blob(void *ctx, const char *name) | |
50 | { | |
51 | struct wpa_supplicant *wpa_s = ctx; | |
52 | return wpa_config_get_blob(wpa_s->conf, name); | |
53 | } | |
54 | #endif /* defined(IEEE8021X_EAPOL) || !defined(CONFIG_NO_WPA) */ | |
55 | #endif /* CONFIG_NO_CONFIG_BLOBS */ | |
56 | ||
57 | ||
58 | #if defined(IEEE8021X_EAPOL) || !defined(CONFIG_NO_WPA) | |
59 | static u8 * wpa_alloc_eapol(const struct wpa_supplicant *wpa_s, u8 type, | |
60 | const void *data, u16 data_len, | |
61 | size_t *msg_len, void **data_pos) | |
62 | { | |
63 | struct ieee802_1x_hdr *hdr; | |
64 | ||
65 | *msg_len = sizeof(*hdr) + data_len; | |
66 | hdr = os_malloc(*msg_len); | |
67 | if (hdr == NULL) | |
68 | return NULL; | |
69 | ||
70 | hdr->version = wpa_s->conf->eapol_version; | |
71 | hdr->type = type; | |
72 | hdr->length = host_to_be16(data_len); | |
73 | ||
74 | if (data) | |
75 | os_memcpy(hdr + 1, data, data_len); | |
76 | else | |
77 | os_memset(hdr + 1, 0, data_len); | |
78 | ||
79 | if (data_pos) | |
80 | *data_pos = hdr + 1; | |
81 | ||
82 | return (u8 *) hdr; | |
83 | } | |
84 | ||
85 | ||
86 | /** | |
87 | * wpa_ether_send - Send Ethernet frame | |
88 | * @wpa_s: Pointer to wpa_supplicant data | |
89 | * @dest: Destination MAC address | |
90 | * @proto: Ethertype in host byte order | |
91 | * @buf: Frame payload starting from IEEE 802.1X header | |
92 | * @len: Frame payload length | |
93 | * Returns: >=0 on success, <0 on failure | |
94 | */ | |
95 | static int wpa_ether_send(struct wpa_supplicant *wpa_s, const u8 *dest, | |
96 | u16 proto, const u8 *buf, size_t len) | |
97 | { | |
98 | if (wpa_s->l2) { | |
99 | return l2_packet_send(wpa_s->l2, dest, proto, buf, len); | |
100 | } | |
101 | ||
102 | return wpa_drv_send_eapol(wpa_s, dest, proto, buf, len); | |
103 | } | |
104 | #endif /* IEEE8021X_EAPOL || !CONFIG_NO_WPA */ | |
105 | ||
106 | ||
107 | #ifdef IEEE8021X_EAPOL | |
108 | ||
109 | /** | |
110 | * wpa_supplicant_eapol_send - Send IEEE 802.1X EAPOL packet to Authenticator | |
111 | * @ctx: Pointer to wpa_supplicant data (wpa_s) | |
112 | * @type: IEEE 802.1X packet type (IEEE802_1X_TYPE_*) | |
113 | * @buf: EAPOL payload (after IEEE 802.1X header) | |
114 | * @len: EAPOL payload length | |
115 | * Returns: >=0 on success, <0 on failure | |
116 | * | |
117 | * This function adds Ethernet and IEEE 802.1X header and sends the EAPOL frame | |
118 | * to the current Authenticator. | |
119 | */ | |
120 | static int wpa_supplicant_eapol_send(void *ctx, int type, const u8 *buf, | |
121 | size_t len) | |
122 | { | |
123 | struct wpa_supplicant *wpa_s = ctx; | |
124 | u8 *msg, *dst, bssid[ETH_ALEN]; | |
125 | size_t msglen; | |
126 | int res; | |
127 | ||
128 | /* TODO: could add l2_packet_sendmsg that allows fragments to avoid | |
129 | * extra copy here */ | |
130 | ||
56586197 | 131 | if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) || |
6fc6879b JM |
132 | wpa_s->key_mgmt == WPA_KEY_MGMT_NONE) { |
133 | /* Current SSID is not using IEEE 802.1X/EAP, so drop possible | |
134 | * EAPOL frames (mainly, EAPOL-Start) from EAPOL state | |
135 | * machines. */ | |
136 | wpa_printf(MSG_DEBUG, "WPA: drop TX EAPOL in non-IEEE 802.1X " | |
137 | "mode (type=%d len=%lu)", type, | |
138 | (unsigned long) len); | |
139 | return -1; | |
140 | } | |
141 | ||
142 | if (pmksa_cache_get_current(wpa_s->wpa) && | |
143 | type == IEEE802_1X_TYPE_EAPOL_START) { | |
144 | /* Trying to use PMKSA caching - do not send EAPOL-Start frames | |
145 | * since they will trigger full EAPOL authentication. */ | |
146 | wpa_printf(MSG_DEBUG, "RSN: PMKSA caching - do not send " | |
147 | "EAPOL-Start"); | |
148 | return -1; | |
149 | } | |
150 | ||
a8e16edc | 151 | if (is_zero_ether_addr(wpa_s->bssid)) { |
6fc6879b JM |
152 | wpa_printf(MSG_DEBUG, "BSSID not set when trying to send an " |
153 | "EAPOL frame"); | |
154 | if (wpa_drv_get_bssid(wpa_s, bssid) == 0 && | |
a8e16edc | 155 | !is_zero_ether_addr(bssid)) { |
6fc6879b JM |
156 | dst = bssid; |
157 | wpa_printf(MSG_DEBUG, "Using current BSSID " MACSTR | |
158 | " from the driver as the EAPOL destination", | |
159 | MAC2STR(dst)); | |
160 | } else { | |
161 | dst = wpa_s->last_eapol_src; | |
162 | wpa_printf(MSG_DEBUG, "Using the source address of the" | |
163 | " last received EAPOL frame " MACSTR " as " | |
164 | "the EAPOL destination", | |
165 | MAC2STR(dst)); | |
166 | } | |
167 | } else { | |
168 | /* BSSID was already set (from (Re)Assoc event, so use it as | |
169 | * the EAPOL destination. */ | |
170 | dst = wpa_s->bssid; | |
171 | } | |
172 | ||
173 | msg = wpa_alloc_eapol(wpa_s, type, buf, len, &msglen, NULL); | |
174 | if (msg == NULL) | |
175 | return -1; | |
176 | ||
177 | wpa_printf(MSG_DEBUG, "TX EAPOL: dst=" MACSTR, MAC2STR(dst)); | |
178 | wpa_hexdump(MSG_MSGDUMP, "TX EAPOL", msg, msglen); | |
179 | res = wpa_ether_send(wpa_s, dst, ETH_P_EAPOL, msg, msglen); | |
180 | os_free(msg); | |
181 | return res; | |
182 | } | |
183 | ||
184 | ||
185 | /** | |
186 | * wpa_eapol_set_wep_key - set WEP key for the driver | |
187 | * @ctx: Pointer to wpa_supplicant data (wpa_s) | |
188 | * @unicast: 1 = individual unicast key, 0 = broadcast key | |
189 | * @keyidx: WEP key index (0..3) | |
190 | * @key: Pointer to key data | |
191 | * @keylen: Key length in bytes | |
192 | * Returns: 0 on success or < 0 on error. | |
193 | */ | |
194 | static int wpa_eapol_set_wep_key(void *ctx, int unicast, int keyidx, | |
195 | const u8 *key, size_t keylen) | |
196 | { | |
197 | struct wpa_supplicant *wpa_s = ctx; | |
198 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) { | |
199 | int cipher = (keylen == 5) ? WPA_CIPHER_WEP40 : | |
200 | WPA_CIPHER_WEP104; | |
201 | if (unicast) | |
202 | wpa_s->pairwise_cipher = cipher; | |
203 | else | |
204 | wpa_s->group_cipher = cipher; | |
205 | } | |
206 | return wpa_drv_set_key(wpa_s, WPA_ALG_WEP, | |
0382097e | 207 | unicast ? wpa_s->bssid : NULL, |
da64c266 | 208 | keyidx, unicast, NULL, 0, key, keylen); |
6fc6879b JM |
209 | } |
210 | ||
211 | ||
212 | static void wpa_supplicant_aborted_cached(void *ctx) | |
213 | { | |
214 | struct wpa_supplicant *wpa_s = ctx; | |
215 | wpa_sm_aborted_cached(wpa_s->wpa); | |
216 | } | |
217 | ||
218 | ||
219 | static void wpa_supplicant_eapol_cb(struct eapol_sm *eapol, int success, | |
220 | void *ctx) | |
221 | { | |
222 | struct wpa_supplicant *wpa_s = ctx; | |
223 | int res, pmk_len; | |
224 | u8 pmk[PMK_LEN]; | |
225 | ||
226 | wpa_printf(MSG_DEBUG, "EAPOL authentication completed %ssuccessfully", | |
227 | success ? "" : "un"); | |
228 | ||
fa201b69 | 229 | if (wpas_wps_eapol_cb(wpa_s) > 0) |
ad08c363 | 230 | return; |
ad08c363 | 231 | |
0930209d JM |
232 | if (!success) { |
233 | /* | |
234 | * Make sure we do not get stuck here waiting for long EAPOL | |
235 | * timeout if the AP does not disconnect in case of | |
236 | * authentication failure. | |
237 | */ | |
238 | wpa_supplicant_req_auth_timeout(wpa_s, 2, 0); | |
239 | } | |
240 | ||
c2a04078 | 241 | if (!success || !(wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE)) |
6fc6879b JM |
242 | return; |
243 | ||
56586197 | 244 | if (!wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) |
6fc6879b JM |
245 | return; |
246 | ||
247 | wpa_printf(MSG_DEBUG, "Configure PMK for driver-based RSN 4-way " | |
248 | "handshake"); | |
249 | ||
250 | pmk_len = PMK_LEN; | |
09c395b4 JM |
251 | if (wpa_key_mgmt_ft(wpa_s->key_mgmt)) { |
252 | #ifdef CONFIG_IEEE80211R | |
253 | u8 buf[2 * PMK_LEN]; | |
254 | wpa_printf(MSG_DEBUG, "RSN: Use FT XXKey as PMK for " | |
255 | "driver-based 4-way hs and FT"); | |
256 | res = eapol_sm_get_key(eapol, buf, 2 * PMK_LEN); | |
257 | if (res == 0) { | |
258 | os_memcpy(pmk, buf + PMK_LEN, PMK_LEN); | |
259 | os_memset(buf, 0, sizeof(buf)); | |
260 | } | |
261 | #else /* CONFIG_IEEE80211R */ | |
262 | res = -1; | |
263 | #endif /* CONFIG_IEEE80211R */ | |
264 | } else { | |
265 | res = eapol_sm_get_key(eapol, pmk, PMK_LEN); | |
266 | if (res) { | |
267 | /* | |
268 | * EAP-LEAP is an exception from other EAP methods: it | |
269 | * uses only 16-byte PMK. | |
270 | */ | |
271 | res = eapol_sm_get_key(eapol, pmk, 16); | |
272 | pmk_len = 16; | |
273 | } | |
6fc6879b JM |
274 | } |
275 | ||
276 | if (res) { | |
277 | wpa_printf(MSG_DEBUG, "Failed to get PMK from EAPOL state " | |
278 | "machines"); | |
279 | return; | |
280 | } | |
281 | ||
09c395b4 JM |
282 | wpa_hexdump_key(MSG_DEBUG, "RSN: Configure PMK for driver-based 4-way " |
283 | "handshake", pmk, pmk_len); | |
284 | ||
6fc6879b JM |
285 | if (wpa_drv_set_key(wpa_s, WPA_ALG_PMK, NULL, 0, 0, NULL, 0, pmk, |
286 | pmk_len)) { | |
287 | wpa_printf(MSG_DEBUG, "Failed to set PMK to the driver"); | |
288 | } | |
289 | ||
290 | wpa_supplicant_cancel_scan(wpa_s); | |
291 | wpa_supplicant_cancel_auth_timeout(wpa_s); | |
292 | wpa_supplicant_set_state(wpa_s, WPA_COMPLETED); | |
293 | ||
294 | } | |
295 | ||
296 | ||
297 | static void wpa_supplicant_notify_eapol_done(void *ctx) | |
298 | { | |
299 | struct wpa_supplicant *wpa_s = ctx; | |
300 | wpa_msg(wpa_s, MSG_DEBUG, "WPA: EAPOL processing complete"); | |
56586197 | 301 | if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) { |
6fc6879b JM |
302 | wpa_supplicant_set_state(wpa_s, WPA_4WAY_HANDSHAKE); |
303 | } else { | |
6fc6879b JM |
304 | wpa_supplicant_cancel_auth_timeout(wpa_s); |
305 | wpa_supplicant_set_state(wpa_s, WPA_COMPLETED); | |
306 | } | |
307 | } | |
308 | ||
309 | #endif /* IEEE8021X_EAPOL */ | |
310 | ||
311 | ||
312 | #ifndef CONFIG_NO_WPA | |
313 | ||
314 | static int wpa_get_beacon_ie(struct wpa_supplicant *wpa_s) | |
315 | { | |
6fc6879b | 316 | int ret = 0; |
e48f0fb6 | 317 | struct wpa_bss *curr = NULL, *bss; |
6fc6879b JM |
318 | struct wpa_ssid *ssid = wpa_s->current_ssid; |
319 | const u8 *ie; | |
320 | ||
e48f0fb6 JM |
321 | dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) { |
322 | if (os_memcmp(bss->bssid, wpa_s->bssid, ETH_ALEN) != 0) | |
6fc6879b | 323 | continue; |
6fc6879b | 324 | if (ssid == NULL || |
e48f0fb6 JM |
325 | ((bss->ssid_len == ssid->ssid_len && |
326 | os_memcmp(bss->ssid, ssid->ssid, ssid->ssid_len) == 0) || | |
6fc6879b | 327 | ssid->ssid_len == 0)) { |
e48f0fb6 | 328 | curr = bss; |
6fc6879b JM |
329 | break; |
330 | } | |
331 | } | |
332 | ||
333 | if (curr) { | |
e48f0fb6 | 334 | ie = wpa_bss_get_vendor_ie(curr, WPA_IE_VENDOR_TYPE); |
6fc6879b JM |
335 | if (wpa_sm_set_ap_wpa_ie(wpa_s->wpa, ie, ie ? 2 + ie[1] : 0)) |
336 | ret = -1; | |
337 | ||
e48f0fb6 | 338 | ie = wpa_bss_get_ie(curr, WLAN_EID_RSN); |
6fc6879b JM |
339 | if (wpa_sm_set_ap_rsn_ie(wpa_s->wpa, ie, ie ? 2 + ie[1] : 0)) |
340 | ret = -1; | |
341 | } else { | |
342 | ret = -1; | |
343 | } | |
344 | ||
345 | return ret; | |
346 | } | |
347 | ||
348 | ||
349 | static int wpa_supplicant_get_beacon_ie(void *ctx) | |
350 | { | |
351 | struct wpa_supplicant *wpa_s = ctx; | |
352 | if (wpa_get_beacon_ie(wpa_s) == 0) { | |
353 | return 0; | |
354 | } | |
355 | ||
356 | /* No WPA/RSN IE found in the cached scan results. Try to get updated | |
357 | * scan results from the driver. */ | |
a1fd2ce5 | 358 | if (wpa_supplicant_update_scan_results(wpa_s) < 0) |
6fc6879b | 359 | return -1; |
6fc6879b JM |
360 | |
361 | return wpa_get_beacon_ie(wpa_s); | |
362 | } | |
363 | ||
364 | ||
365 | static u8 * _wpa_alloc_eapol(void *wpa_s, u8 type, | |
366 | const void *data, u16 data_len, | |
367 | size_t *msg_len, void **data_pos) | |
368 | { | |
369 | return wpa_alloc_eapol(wpa_s, type, data, data_len, msg_len, data_pos); | |
370 | } | |
371 | ||
372 | ||
373 | static int _wpa_ether_send(void *wpa_s, const u8 *dest, u16 proto, | |
374 | const u8 *buf, size_t len) | |
375 | { | |
376 | return wpa_ether_send(wpa_s, dest, proto, buf, len); | |
377 | } | |
378 | ||
379 | ||
6fc6879b JM |
380 | static void _wpa_supplicant_cancel_auth_timeout(void *wpa_s) |
381 | { | |
382 | wpa_supplicant_cancel_auth_timeout(wpa_s); | |
383 | } | |
384 | ||
385 | ||
71934751 | 386 | static void _wpa_supplicant_set_state(void *wpa_s, enum wpa_states state) |
6fc6879b JM |
387 | { |
388 | wpa_supplicant_set_state(wpa_s, state); | |
389 | } | |
390 | ||
391 | ||
392 | /** | |
393 | * wpa_supplicant_get_state - Get the connection state | |
394 | * @wpa_s: Pointer to wpa_supplicant data | |
395 | * Returns: The current connection state (WPA_*) | |
396 | */ | |
71934751 | 397 | static enum wpa_states wpa_supplicant_get_state(struct wpa_supplicant *wpa_s) |
6fc6879b JM |
398 | { |
399 | return wpa_s->wpa_state; | |
400 | } | |
401 | ||
402 | ||
71934751 | 403 | static enum wpa_states _wpa_supplicant_get_state(void *wpa_s) |
6fc6879b JM |
404 | { |
405 | return wpa_supplicant_get_state(wpa_s); | |
406 | } | |
407 | ||
408 | ||
409 | static void _wpa_supplicant_disassociate(void *wpa_s, int reason_code) | |
410 | { | |
411 | wpa_supplicant_disassociate(wpa_s, reason_code); | |
3e2ad1b9 | 412 | /* Schedule a scan to make sure we continue looking for networks */ |
83935317 | 413 | wpa_supplicant_req_scan(wpa_s, 5, 0); |
6fc6879b JM |
414 | } |
415 | ||
416 | ||
417 | static void _wpa_supplicant_deauthenticate(void *wpa_s, int reason_code) | |
418 | { | |
419 | wpa_supplicant_deauthenticate(wpa_s, reason_code); | |
3e2ad1b9 | 420 | /* Schedule a scan to make sure we continue looking for networks */ |
83935317 | 421 | wpa_supplicant_req_scan(wpa_s, 5, 0); |
6fc6879b JM |
422 | } |
423 | ||
424 | ||
425 | static void * wpa_supplicant_get_network_ctx(void *wpa_s) | |
426 | { | |
427 | return wpa_supplicant_get_ssid(wpa_s); | |
428 | } | |
429 | ||
430 | ||
431 | static int wpa_supplicant_get_bssid(void *ctx, u8 *bssid) | |
432 | { | |
433 | struct wpa_supplicant *wpa_s = ctx; | |
6fc6879b JM |
434 | return wpa_drv_get_bssid(wpa_s, bssid); |
435 | } | |
436 | ||
437 | ||
71934751 | 438 | static int wpa_supplicant_set_key(void *_wpa_s, enum wpa_alg alg, |
6fc6879b JM |
439 | const u8 *addr, int key_idx, int set_tx, |
440 | const u8 *seq, size_t seq_len, | |
441 | const u8 *key, size_t key_len) | |
442 | { | |
46690a3b JM |
443 | struct wpa_supplicant *wpa_s = _wpa_s; |
444 | if (alg == WPA_ALG_TKIP && key_idx == 0 && key_len == 32) { | |
445 | /* Clear the MIC error counter when setting a new PTK. */ | |
446 | wpa_s->mic_errors_seen = 0; | |
447 | } | |
6fc6879b JM |
448 | return wpa_drv_set_key(wpa_s, alg, addr, key_idx, set_tx, seq, seq_len, |
449 | key, key_len); | |
450 | } | |
451 | ||
452 | ||
453 | static int wpa_supplicant_mlme_setprotection(void *wpa_s, const u8 *addr, | |
454 | int protection_type, | |
455 | int key_type) | |
456 | { | |
457 | return wpa_drv_mlme_setprotection(wpa_s, addr, protection_type, | |
458 | key_type); | |
459 | } | |
460 | ||
461 | ||
462 | static int wpa_supplicant_add_pmkid(void *wpa_s, | |
463 | const u8 *bssid, const u8 *pmkid) | |
464 | { | |
465 | return wpa_drv_add_pmkid(wpa_s, bssid, pmkid); | |
466 | } | |
467 | ||
468 | ||
469 | static int wpa_supplicant_remove_pmkid(void *wpa_s, | |
470 | const u8 *bssid, const u8 *pmkid) | |
471 | { | |
472 | return wpa_drv_remove_pmkid(wpa_s, bssid, pmkid); | |
473 | } | |
474 | ||
475 | ||
476 | #ifdef CONFIG_IEEE80211R | |
477 | static int wpa_supplicant_update_ft_ies(void *ctx, const u8 *md, | |
478 | const u8 *ies, size_t ies_len) | |
479 | { | |
480 | struct wpa_supplicant *wpa_s = ctx; | |
c2a04078 JM |
481 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) |
482 | return sme_update_ft_ies(wpa_s, md, ies, ies_len); | |
6fc6879b JM |
483 | return wpa_drv_update_ft_ies(wpa_s, md, ies, ies_len); |
484 | } | |
485 | ||
486 | ||
487 | static int wpa_supplicant_send_ft_action(void *ctx, u8 action, | |
488 | const u8 *target_ap, | |
489 | const u8 *ies, size_t ies_len) | |
490 | { | |
491 | struct wpa_supplicant *wpa_s = ctx; | |
6fc6879b JM |
492 | return wpa_drv_send_ft_action(wpa_s, action, target_ap, ies, ies_len); |
493 | } | |
2a7e7f4e JM |
494 | |
495 | ||
496 | static int wpa_supplicant_mark_authenticated(void *ctx, const u8 *target_ap) | |
497 | { | |
498 | struct wpa_supplicant *wpa_s = ctx; | |
499 | struct wpa_driver_auth_params params; | |
500 | struct wpa_bss *bss; | |
501 | ||
2a7e7f4e JM |
502 | bss = wpa_bss_get_bssid(wpa_s, target_ap); |
503 | if (bss == NULL) | |
504 | return -1; | |
505 | ||
506 | os_memset(¶ms, 0, sizeof(params)); | |
507 | params.bssid = target_ap; | |
508 | params.freq = bss->freq; | |
509 | params.ssid = bss->ssid; | |
510 | params.ssid_len = bss->ssid_len; | |
511 | params.auth_alg = WPA_AUTH_ALG_FT; | |
512 | params.local_state_change = 1; | |
513 | return wpa_drv_authenticate(wpa_s, ¶ms); | |
514 | } | |
6fc6879b JM |
515 | #endif /* CONFIG_IEEE80211R */ |
516 | ||
517 | #endif /* CONFIG_NO_WPA */ | |
518 | ||
519 | ||
281ff0aa GP |
520 | #ifdef CONFIG_TDLS |
521 | ||
c58ab8f2 AN |
522 | static int wpa_supplicant_tdls_get_capa(void *ctx, int *tdls_supported, |
523 | int *tdls_ext_setup) | |
524 | { | |
525 | struct wpa_supplicant *wpa_s = ctx; | |
526 | ||
527 | *tdls_supported = 0; | |
528 | *tdls_ext_setup = 0; | |
529 | ||
530 | if (!wpa_s->drv_capa_known) | |
531 | return -1; | |
532 | ||
533 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT) | |
534 | *tdls_supported = 1; | |
535 | ||
536 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_TDLS_EXTERNAL_SETUP) | |
537 | *tdls_ext_setup = 1; | |
538 | ||
539 | return 0; | |
540 | } | |
541 | ||
542 | ||
281ff0aa GP |
543 | static int wpa_supplicant_send_tdls_mgmt(void *ctx, const u8 *dst, |
544 | u8 action_code, u8 dialog_token, | |
545 | u16 status_code, const u8 *buf, | |
546 | size_t len) | |
547 | { | |
548 | struct wpa_supplicant *wpa_s = ctx; | |
549 | return wpa_drv_send_tdls_mgmt(wpa_s, dst, action_code, dialog_token, | |
550 | status_code, buf, len); | |
551 | } | |
552 | ||
553 | ||
554 | static int wpa_supplicant_tdls_oper(void *ctx, int oper, const u8 *peer) | |
555 | { | |
556 | struct wpa_supplicant *wpa_s = ctx; | |
557 | return wpa_drv_tdls_oper(wpa_s, oper, peer); | |
558 | } | |
559 | ||
45b722f1 AN |
560 | |
561 | static int wpa_supplicant_tdls_peer_addset( | |
562 | void *ctx, const u8 *peer, int add, u16 capability, | |
563 | const u8 *supp_rates, size_t supp_rates_len) | |
564 | { | |
565 | struct wpa_supplicant *wpa_s = ctx; | |
566 | struct hostapd_sta_add_params params; | |
567 | ||
568 | params.addr = peer; | |
569 | params.aid = 1; | |
570 | params.capability = capability; | |
571 | params.flags = WPA_STA_TDLS_PEER | WPA_STA_AUTHORIZED; | |
572 | params.ht_capabilities = NULL; | |
573 | params.listen_interval = 0; | |
574 | params.supp_rates = supp_rates; | |
575 | params.supp_rates_len = supp_rates_len; | |
576 | params.set = !add; | |
577 | ||
578 | return wpa_drv_sta_add(wpa_s, ¶ms); | |
579 | } | |
580 | ||
281ff0aa GP |
581 | #endif /* CONFIG_TDLS */ |
582 | ||
583 | ||
81c57e22 DW |
584 | enum wpa_ctrl_req_type wpa_supplicant_ctrl_req_from_string(const char *field) |
585 | { | |
586 | if (os_strcmp(field, "IDENTITY") == 0) | |
587 | return WPA_CTRL_REQ_EAP_IDENTITY; | |
588 | else if (os_strcmp(field, "PASSWORD") == 0) | |
589 | return WPA_CTRL_REQ_EAP_PASSWORD; | |
590 | else if (os_strcmp(field, "NEW_PASSWORD") == 0) | |
591 | return WPA_CTRL_REQ_EAP_NEW_PASSWORD; | |
592 | else if (os_strcmp(field, "PIN") == 0) | |
593 | return WPA_CTRL_REQ_EAP_PIN; | |
594 | else if (os_strcmp(field, "OTP") == 0) | |
595 | return WPA_CTRL_REQ_EAP_OTP; | |
596 | else if (os_strcmp(field, "PASSPHRASE") == 0) | |
597 | return WPA_CTRL_REQ_EAP_PASSPHRASE; | |
598 | return WPA_CTRL_REQ_UNKNOWN; | |
599 | } | |
600 | ||
601 | ||
9ef1aaae DW |
602 | const char * wpa_supplicant_ctrl_req_to_string(enum wpa_ctrl_req_type field, |
603 | const char *default_txt, | |
604 | const char **txt) | |
605 | { | |
606 | const char *ret = NULL; | |
607 | ||
608 | *txt = default_txt; | |
609 | ||
610 | switch (field) { | |
611 | case WPA_CTRL_REQ_EAP_IDENTITY: | |
612 | *txt = "Identity"; | |
613 | ret = "IDENTITY"; | |
614 | break; | |
615 | case WPA_CTRL_REQ_EAP_PASSWORD: | |
616 | *txt = "Password"; | |
617 | ret = "PASSWORD"; | |
618 | break; | |
619 | case WPA_CTRL_REQ_EAP_NEW_PASSWORD: | |
620 | *txt = "New Password"; | |
621 | ret = "NEW_PASSWORD"; | |
622 | break; | |
623 | case WPA_CTRL_REQ_EAP_PIN: | |
624 | *txt = "PIN"; | |
625 | ret = "PIN"; | |
626 | break; | |
627 | case WPA_CTRL_REQ_EAP_OTP: | |
628 | ret = "OTP"; | |
629 | break; | |
630 | case WPA_CTRL_REQ_EAP_PASSPHRASE: | |
631 | *txt = "Private key passphrase"; | |
632 | ret = "PASSPHRASE"; | |
633 | break; | |
634 | default: | |
635 | break; | |
636 | } | |
637 | ||
638 | /* txt needs to be something */ | |
639 | if (*txt == NULL) { | |
640 | wpa_printf(MSG_WARNING, "No message for request %d", field); | |
641 | ret = NULL; | |
642 | } | |
643 | ||
644 | return ret; | |
645 | } | |
646 | ||
b1491202 | 647 | #ifdef IEEE8021X_EAPOL |
6fc6879b | 648 | #if defined(CONFIG_CTRL_IFACE) || !defined(CONFIG_NO_STDOUT_DEBUG) |
9ef1aaae DW |
649 | static void wpa_supplicant_eap_param_needed(void *ctx, |
650 | enum wpa_ctrl_req_type field, | |
651 | const char *default_txt) | |
6fc6879b JM |
652 | { |
653 | struct wpa_supplicant *wpa_s = ctx; | |
654 | struct wpa_ssid *ssid = wpa_s->current_ssid; | |
9ef1aaae | 655 | const char *field_name, *txt = NULL; |
6fc6879b JM |
656 | char *buf; |
657 | size_t buflen; | |
658 | int len; | |
659 | ||
660 | if (ssid == NULL) | |
661 | return; | |
662 | ||
a9022616 DW |
663 | wpas_notify_network_request(wpa_s, ssid, field, default_txt); |
664 | ||
9ef1aaae DW |
665 | field_name = wpa_supplicant_ctrl_req_to_string(field, default_txt, |
666 | &txt); | |
667 | if (field_name == NULL) { | |
668 | wpa_printf(MSG_WARNING, "Unhandled EAP param %d needed", | |
669 | field); | |
670 | return; | |
671 | } | |
672 | ||
6fc6879b JM |
673 | buflen = 100 + os_strlen(txt) + ssid->ssid_len; |
674 | buf = os_malloc(buflen); | |
675 | if (buf == NULL) | |
676 | return; | |
677 | len = os_snprintf(buf, buflen, | |
678 | WPA_CTRL_REQ "%s-%d:%s needed for SSID ", | |
9ef1aaae | 679 | field_name, ssid->id, txt); |
6fc6879b JM |
680 | if (len < 0 || (size_t) len >= buflen) { |
681 | os_free(buf); | |
682 | return; | |
683 | } | |
684 | if (ssid->ssid && buflen > len + ssid->ssid_len) { | |
685 | os_memcpy(buf + len, ssid->ssid, ssid->ssid_len); | |
686 | len += ssid->ssid_len; | |
687 | buf[len] = '\0'; | |
688 | } | |
689 | buf[buflen - 1] = '\0'; | |
690 | wpa_msg(wpa_s, MSG_INFO, "%s", buf); | |
691 | os_free(buf); | |
692 | } | |
693 | #else /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */ | |
694 | #define wpa_supplicant_eap_param_needed NULL | |
695 | #endif /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */ | |
696 | ||
697 | ||
4bc181ec JM |
698 | static void wpa_supplicant_port_cb(void *ctx, int authorized) |
699 | { | |
700 | struct wpa_supplicant *wpa_s = ctx; | |
69a6b47a JM |
701 | #ifdef CONFIG_AP |
702 | if (wpa_s->ap_iface) { | |
703 | wpa_printf(MSG_DEBUG, "AP mode active - skip EAPOL Supplicant " | |
704 | "port status: %s", | |
705 | authorized ? "Authorized" : "Unauthorized"); | |
706 | return; | |
707 | } | |
708 | #endif /* CONFIG_AP */ | |
4bc181ec JM |
709 | wpa_printf(MSG_DEBUG, "EAPOL: Supplicant port status: %s", |
710 | authorized ? "Authorized" : "Unauthorized"); | |
711 | wpa_drv_set_supp_port(wpa_s, authorized); | |
712 | } | |
ade74830 MC |
713 | |
714 | ||
715 | static void wpa_supplicant_cert_cb(void *ctx, int depth, const char *subject, | |
716 | const char *cert_hash, | |
717 | const struct wpabuf *cert) | |
718 | { | |
719 | struct wpa_supplicant *wpa_s = ctx; | |
720 | ||
721 | wpas_notify_certification(wpa_s, depth, subject, cert_hash, cert); | |
722 | } | |
dd7fec1f PS |
723 | |
724 | ||
725 | static void wpa_supplicant_status_cb(void *ctx, const char *status, | |
726 | const char *parameter) | |
727 | { | |
728 | struct wpa_supplicant *wpa_s = ctx; | |
729 | ||
730 | wpas_notify_eap_status(wpa_s, status, parameter); | |
731 | } | |
b1491202 | 732 | #endif /* IEEE8021X_EAPOL */ |
4bc181ec JM |
733 | |
734 | ||
6fc6879b JM |
735 | int wpa_supplicant_init_eapol(struct wpa_supplicant *wpa_s) |
736 | { | |
737 | #ifdef IEEE8021X_EAPOL | |
738 | struct eapol_ctx *ctx; | |
739 | ctx = os_zalloc(sizeof(*ctx)); | |
740 | if (ctx == NULL) { | |
741 | wpa_printf(MSG_ERROR, "Failed to allocate EAPOL context."); | |
742 | return -1; | |
743 | } | |
744 | ||
745 | ctx->ctx = wpa_s; | |
746 | ctx->msg_ctx = wpa_s; | |
747 | ctx->eapol_send_ctx = wpa_s; | |
748 | ctx->preauth = 0; | |
749 | ctx->eapol_done_cb = wpa_supplicant_notify_eapol_done; | |
750 | ctx->eapol_send = wpa_supplicant_eapol_send; | |
751 | ctx->set_wep_key = wpa_eapol_set_wep_key; | |
752 | ctx->set_config_blob = wpa_supplicant_set_config_blob; | |
753 | ctx->get_config_blob = wpa_supplicant_get_config_blob; | |
754 | ctx->aborted_cached = wpa_supplicant_aborted_cached; | |
6fc6879b JM |
755 | ctx->opensc_engine_path = wpa_s->conf->opensc_engine_path; |
756 | ctx->pkcs11_engine_path = wpa_s->conf->pkcs11_engine_path; | |
757 | ctx->pkcs11_module_path = wpa_s->conf->pkcs11_module_path; | |
116654ce | 758 | ctx->wps = wpa_s->wps; |
6fc6879b | 759 | ctx->eap_param_needed = wpa_supplicant_eap_param_needed; |
4bc181ec | 760 | ctx->port_cb = wpa_supplicant_port_cb; |
6fc6879b | 761 | ctx->cb = wpa_supplicant_eapol_cb; |
ade74830 | 762 | ctx->cert_cb = wpa_supplicant_cert_cb; |
dd7fec1f | 763 | ctx->status_cb = wpa_supplicant_status_cb; |
6fc6879b JM |
764 | ctx->cb_ctx = wpa_s; |
765 | wpa_s->eapol = eapol_sm_init(ctx); | |
766 | if (wpa_s->eapol == NULL) { | |
767 | os_free(ctx); | |
768 | wpa_printf(MSG_ERROR, "Failed to initialize EAPOL state " | |
769 | "machines."); | |
770 | return -1; | |
771 | } | |
772 | #endif /* IEEE8021X_EAPOL */ | |
773 | ||
774 | return 0; | |
775 | } | |
776 | ||
777 | ||
b14a210c JB |
778 | static void wpa_supplicant_set_rekey_offload(void *ctx, const u8 *kek, |
779 | const u8 *kck, | |
780 | const u8 *replay_ctr) | |
781 | { | |
782 | struct wpa_supplicant *wpa_s = ctx; | |
783 | ||
784 | wpa_drv_set_rekey_info(wpa_s, kek, kck, replay_ctr); | |
785 | } | |
786 | ||
787 | ||
6fc6879b JM |
788 | int wpa_supplicant_init_wpa(struct wpa_supplicant *wpa_s) |
789 | { | |
790 | #ifndef CONFIG_NO_WPA | |
791 | struct wpa_sm_ctx *ctx; | |
792 | ctx = os_zalloc(sizeof(*ctx)); | |
793 | if (ctx == NULL) { | |
794 | wpa_printf(MSG_ERROR, "Failed to allocate WPA context."); | |
795 | return -1; | |
796 | } | |
797 | ||
798 | ctx->ctx = wpa_s; | |
0f057fb2 | 799 | ctx->msg_ctx = wpa_s; |
6fc6879b JM |
800 | ctx->set_state = _wpa_supplicant_set_state; |
801 | ctx->get_state = _wpa_supplicant_get_state; | |
6fc6879b JM |
802 | ctx->deauthenticate = _wpa_supplicant_deauthenticate; |
803 | ctx->disassociate = _wpa_supplicant_disassociate; | |
804 | ctx->set_key = wpa_supplicant_set_key; | |
805 | ctx->get_network_ctx = wpa_supplicant_get_network_ctx; | |
806 | ctx->get_bssid = wpa_supplicant_get_bssid; | |
807 | ctx->ether_send = _wpa_ether_send; | |
808 | ctx->get_beacon_ie = wpa_supplicant_get_beacon_ie; | |
809 | ctx->alloc_eapol = _wpa_alloc_eapol; | |
810 | ctx->cancel_auth_timeout = _wpa_supplicant_cancel_auth_timeout; | |
811 | ctx->add_pmkid = wpa_supplicant_add_pmkid; | |
812 | ctx->remove_pmkid = wpa_supplicant_remove_pmkid; | |
813 | #ifndef CONFIG_NO_CONFIG_BLOBS | |
814 | ctx->set_config_blob = wpa_supplicant_set_config_blob; | |
815 | ctx->get_config_blob = wpa_supplicant_get_config_blob; | |
816 | #endif /* CONFIG_NO_CONFIG_BLOBS */ | |
817 | ctx->mlme_setprotection = wpa_supplicant_mlme_setprotection; | |
818 | #ifdef CONFIG_IEEE80211R | |
819 | ctx->update_ft_ies = wpa_supplicant_update_ft_ies; | |
820 | ctx->send_ft_action = wpa_supplicant_send_ft_action; | |
2a7e7f4e | 821 | ctx->mark_authenticated = wpa_supplicant_mark_authenticated; |
6fc6879b | 822 | #endif /* CONFIG_IEEE80211R */ |
281ff0aa | 823 | #ifdef CONFIG_TDLS |
c58ab8f2 | 824 | ctx->tdls_get_capa = wpa_supplicant_tdls_get_capa; |
281ff0aa GP |
825 | ctx->send_tdls_mgmt = wpa_supplicant_send_tdls_mgmt; |
826 | ctx->tdls_oper = wpa_supplicant_tdls_oper; | |
45b722f1 | 827 | ctx->tdls_peer_addset = wpa_supplicant_tdls_peer_addset; |
281ff0aa | 828 | #endif /* CONFIG_TDLS */ |
b14a210c | 829 | ctx->set_rekey_offload = wpa_supplicant_set_rekey_offload; |
6fc6879b JM |
830 | |
831 | wpa_s->wpa = wpa_sm_init(ctx); | |
832 | if (wpa_s->wpa == NULL) { | |
833 | wpa_printf(MSG_ERROR, "Failed to initialize WPA state " | |
834 | "machine"); | |
835 | return -1; | |
836 | } | |
837 | #endif /* CONFIG_NO_WPA */ | |
838 | ||
839 | return 0; | |
840 | } | |
841 | ||
842 | ||
843 | void wpa_supplicant_rsn_supp_set_config(struct wpa_supplicant *wpa_s, | |
844 | struct wpa_ssid *ssid) | |
845 | { | |
846 | struct rsn_supp_config conf; | |
847 | if (ssid) { | |
848 | os_memset(&conf, 0, sizeof(conf)); | |
886a807f | 849 | conf.network_ctx = ssid; |
6fc6879b JM |
850 | conf.peerkey_enabled = ssid->peerkey; |
851 | conf.allowed_pairwise_cipher = ssid->pairwise_cipher; | |
a6a89fea | 852 | #ifdef IEEE8021X_EAPOL |
7c444f3c | 853 | conf.proactive_key_caching = ssid->proactive_key_caching; |
6fc6879b JM |
854 | conf.eap_workaround = ssid->eap_workaround; |
855 | conf.eap_conf_ctx = &ssid->eap; | |
a6a89fea | 856 | #endif /* IEEE8021X_EAPOL */ |
6fc6879b JM |
857 | conf.ssid = ssid->ssid; |
858 | conf.ssid_len = ssid->ssid_len; | |
581a8cde | 859 | conf.wpa_ptk_rekey = ssid->wpa_ptk_rekey; |
6fc6879b JM |
860 | } |
861 | wpa_sm_set_config(wpa_s->wpa, ssid ? &conf : NULL); | |
862 | } |