wpas_glue.c revision 1.1.1.10 1 1.1 christos /*
2 1.1 christos * WPA Supplicant - Glue code to setup EAPOL and RSN modules
3 1.1.1.6 christos * Copyright (c) 2003-2015, Jouni Malinen <j (at) w1.fi>
4 1.1 christos *
5 1.1.1.4 christos * This software may be distributed under the terms of the BSD license.
6 1.1.1.4 christos * See README for more details.
7 1.1 christos */
8 1.1 christos
9 1.1 christos #include "includes.h"
10 1.1 christos
11 1.1 christos #include "common.h"
12 1.1 christos #include "eapol_supp/eapol_supp_sm.h"
13 1.1.1.8 christos #include "eap_peer/eap.h"
14 1.1 christos #include "rsn_supp/wpa.h"
15 1.1 christos #include "eloop.h"
16 1.1 christos #include "config.h"
17 1.1 christos #include "l2_packet/l2_packet.h"
18 1.1 christos #include "common/wpa_common.h"
19 1.1.1.10 christos #include "common/ptksa_cache.h"
20 1.1 christos #include "wpa_supplicant_i.h"
21 1.1 christos #include "driver_i.h"
22 1.1 christos #include "rsn_supp/pmksa_cache.h"
23 1.1 christos #include "sme.h"
24 1.1 christos #include "common/ieee802_11_defs.h"
25 1.1 christos #include "common/wpa_ctrl.h"
26 1.1 christos #include "wpas_glue.h"
27 1.1 christos #include "wps_supplicant.h"
28 1.1 christos #include "bss.h"
29 1.1 christos #include "scan.h"
30 1.1.1.3 christos #include "notify.h"
31 1.1.1.5 christos #include "wpas_kay.h"
32 1.1 christos
33 1.1 christos
34 1.1 christos #ifndef CONFIG_NO_CONFIG_BLOBS
35 1.1 christos #if defined(IEEE8021X_EAPOL) || !defined(CONFIG_NO_WPA)
36 1.1 christos static void wpa_supplicant_set_config_blob(void *ctx,
37 1.1 christos struct wpa_config_blob *blob)
38 1.1 christos {
39 1.1 christos struct wpa_supplicant *wpa_s = ctx;
40 1.1 christos wpa_config_set_blob(wpa_s->conf, blob);
41 1.1 christos if (wpa_s->conf->update_config) {
42 1.1 christos int ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
43 1.1 christos if (ret) {
44 1.1 christos wpa_printf(MSG_DEBUG, "Failed to update config after "
45 1.1 christos "blob set");
46 1.1 christos }
47 1.1 christos }
48 1.1 christos }
49 1.1 christos
50 1.1 christos
51 1.1 christos static const struct wpa_config_blob *
52 1.1 christos wpa_supplicant_get_config_blob(void *ctx, const char *name)
53 1.1 christos {
54 1.1 christos struct wpa_supplicant *wpa_s = ctx;
55 1.1 christos return wpa_config_get_blob(wpa_s->conf, name);
56 1.1 christos }
57 1.1 christos #endif /* defined(IEEE8021X_EAPOL) || !defined(CONFIG_NO_WPA) */
58 1.1 christos #endif /* CONFIG_NO_CONFIG_BLOBS */
59 1.1 christos
60 1.1 christos
61 1.1 christos #if defined(IEEE8021X_EAPOL) || !defined(CONFIG_NO_WPA)
62 1.1 christos static u8 * wpa_alloc_eapol(const struct wpa_supplicant *wpa_s, u8 type,
63 1.1 christos const void *data, u16 data_len,
64 1.1 christos size_t *msg_len, void **data_pos)
65 1.1 christos {
66 1.1 christos struct ieee802_1x_hdr *hdr;
67 1.1 christos
68 1.1 christos *msg_len = sizeof(*hdr) + data_len;
69 1.1 christos hdr = os_malloc(*msg_len);
70 1.1 christos if (hdr == NULL)
71 1.1 christos return NULL;
72 1.1 christos
73 1.1 christos hdr->version = wpa_s->conf->eapol_version;
74 1.1 christos hdr->type = type;
75 1.1 christos hdr->length = host_to_be16(data_len);
76 1.1 christos
77 1.1 christos if (data)
78 1.1 christos os_memcpy(hdr + 1, data, data_len);
79 1.1 christos else
80 1.1 christos os_memset(hdr + 1, 0, data_len);
81 1.1 christos
82 1.1 christos if (data_pos)
83 1.1 christos *data_pos = hdr + 1;
84 1.1 christos
85 1.1 christos return (u8 *) hdr;
86 1.1 christos }
87 1.1 christos
88 1.1 christos
89 1.1 christos /**
90 1.1 christos * wpa_ether_send - Send Ethernet frame
91 1.1 christos * @wpa_s: Pointer to wpa_supplicant data
92 1.1 christos * @dest: Destination MAC address
93 1.1 christos * @proto: Ethertype in host byte order
94 1.1 christos * @buf: Frame payload starting from IEEE 802.1X header
95 1.1 christos * @len: Frame payload length
96 1.1 christos * Returns: >=0 on success, <0 on failure
97 1.1 christos */
98 1.1.1.10 christos int wpa_ether_send(struct wpa_supplicant *wpa_s, const u8 *dest,
99 1.1.1.10 christos u16 proto, const u8 *buf, size_t len)
100 1.1 christos {
101 1.1.1.6 christos #ifdef CONFIG_TESTING_OPTIONS
102 1.1.1.6 christos if (wpa_s->ext_eapol_frame_io && proto == ETH_P_EAPOL) {
103 1.1.1.6 christos size_t hex_len = 2 * len + 1;
104 1.1.1.6 christos char *hex = os_malloc(hex_len);
105 1.1.1.6 christos
106 1.1.1.6 christos if (hex == NULL)
107 1.1.1.6 christos return -1;
108 1.1.1.6 christos wpa_snprintf_hex(hex, hex_len, buf, len);
109 1.1.1.6 christos wpa_msg(wpa_s, MSG_INFO, "EAPOL-TX " MACSTR " %s",
110 1.1.1.6 christos MAC2STR(dest), hex);
111 1.1.1.6 christos os_free(hex);
112 1.1.1.6 christos return 0;
113 1.1.1.6 christos }
114 1.1.1.6 christos #endif /* CONFIG_TESTING_OPTIONS */
115 1.1.1.6 christos
116 1.1.1.10 christos if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_CONTROL_PORT) {
117 1.1.1.10 christos int encrypt = wpa_s->wpa &&
118 1.1.1.10 christos wpa_sm_has_ptk_installed(wpa_s->wpa);
119 1.1.1.10 christos
120 1.1.1.10 christos return wpa_drv_tx_control_port(wpa_s, dest, proto, buf, len,
121 1.1.1.10 christos !encrypt);
122 1.1.1.10 christos }
123 1.1.1.10 christos
124 1.1 christos if (wpa_s->l2) {
125 1.1 christos return l2_packet_send(wpa_s->l2, dest, proto, buf, len);
126 1.1 christos }
127 1.1 christos
128 1.1.1.6 christos return -1;
129 1.1 christos }
130 1.1 christos #endif /* IEEE8021X_EAPOL || !CONFIG_NO_WPA */
131 1.1 christos
132 1.1 christos
133 1.1 christos #ifdef IEEE8021X_EAPOL
134 1.1 christos
135 1.1 christos /**
136 1.1 christos * wpa_supplicant_eapol_send - Send IEEE 802.1X EAPOL packet to Authenticator
137 1.1 christos * @ctx: Pointer to wpa_supplicant data (wpa_s)
138 1.1 christos * @type: IEEE 802.1X packet type (IEEE802_1X_TYPE_*)
139 1.1 christos * @buf: EAPOL payload (after IEEE 802.1X header)
140 1.1 christos * @len: EAPOL payload length
141 1.1 christos * Returns: >=0 on success, <0 on failure
142 1.1 christos *
143 1.1 christos * This function adds Ethernet and IEEE 802.1X header and sends the EAPOL frame
144 1.1 christos * to the current Authenticator.
145 1.1 christos */
146 1.1 christos static int wpa_supplicant_eapol_send(void *ctx, int type, const u8 *buf,
147 1.1 christos size_t len)
148 1.1 christos {
149 1.1 christos struct wpa_supplicant *wpa_s = ctx;
150 1.1 christos u8 *msg, *dst, bssid[ETH_ALEN];
151 1.1 christos size_t msglen;
152 1.1 christos int res;
153 1.1 christos
154 1.1 christos /* TODO: could add l2_packet_sendmsg that allows fragments to avoid
155 1.1 christos * extra copy here */
156 1.1 christos
157 1.1 christos if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) ||
158 1.1.1.8 christos wpa_s->key_mgmt == WPA_KEY_MGMT_OWE ||
159 1.1.1.8 christos wpa_s->key_mgmt == WPA_KEY_MGMT_DPP ||
160 1.1 christos wpa_s->key_mgmt == WPA_KEY_MGMT_NONE) {
161 1.1 christos /* Current SSID is not using IEEE 802.1X/EAP, so drop possible
162 1.1 christos * EAPOL frames (mainly, EAPOL-Start) from EAPOL state
163 1.1 christos * machines. */
164 1.1 christos wpa_printf(MSG_DEBUG, "WPA: drop TX EAPOL in non-IEEE 802.1X "
165 1.1 christos "mode (type=%d len=%lu)", type,
166 1.1 christos (unsigned long) len);
167 1.1 christos return -1;
168 1.1 christos }
169 1.1 christos
170 1.1 christos if (pmksa_cache_get_current(wpa_s->wpa) &&
171 1.1 christos type == IEEE802_1X_TYPE_EAPOL_START) {
172 1.1.1.5 christos /*
173 1.1.1.5 christos * We were trying to use PMKSA caching and sending EAPOL-Start
174 1.1.1.5 christos * would abort that and trigger full EAPOL authentication.
175 1.1.1.5 christos * However, we've already waited for the AP/Authenticator to
176 1.1.1.5 christos * start 4-way handshake or EAP authentication, and apparently
177 1.1.1.5 christos * it has not done so since the startWhen timer has reached zero
178 1.1.1.5 christos * to get the state machine sending EAPOL-Start. This is not
179 1.1.1.5 christos * really supposed to happen, but an interoperability issue with
180 1.1.1.5 christos * a deployed AP has been identified where the connection fails
181 1.1.1.5 christos * due to that AP failing to operate correctly if PMKID is
182 1.1.1.5 christos * included in the Association Request frame. To work around
183 1.1.1.5 christos * this, assume PMKSA caching failed and try to initiate full
184 1.1.1.5 christos * EAP authentication.
185 1.1.1.5 christos */
186 1.1.1.5 christos if (!wpa_s->current_ssid ||
187 1.1.1.5 christos wpa_s->current_ssid->eap_workaround) {
188 1.1.1.5 christos wpa_printf(MSG_DEBUG,
189 1.1.1.5 christos "RSN: Timeout on waiting for the AP to initiate 4-way handshake for PMKSA caching or EAP authentication - try to force it to start EAP authentication");
190 1.1.1.5 christos } else {
191 1.1.1.5 christos wpa_printf(MSG_DEBUG,
192 1.1.1.5 christos "RSN: PMKSA caching - do not send EAPOL-Start");
193 1.1.1.5 christos return -1;
194 1.1.1.5 christos }
195 1.1 christos }
196 1.1 christos
197 1.1 christos if (is_zero_ether_addr(wpa_s->bssid)) {
198 1.1 christos wpa_printf(MSG_DEBUG, "BSSID not set when trying to send an "
199 1.1 christos "EAPOL frame");
200 1.1 christos if (wpa_drv_get_bssid(wpa_s, bssid) == 0 &&
201 1.1 christos !is_zero_ether_addr(bssid)) {
202 1.1 christos dst = bssid;
203 1.1 christos wpa_printf(MSG_DEBUG, "Using current BSSID " MACSTR
204 1.1 christos " from the driver as the EAPOL destination",
205 1.1 christos MAC2STR(dst));
206 1.1 christos } else {
207 1.1 christos dst = wpa_s->last_eapol_src;
208 1.1 christos wpa_printf(MSG_DEBUG, "Using the source address of the"
209 1.1 christos " last received EAPOL frame " MACSTR " as "
210 1.1 christos "the EAPOL destination",
211 1.1 christos MAC2STR(dst));
212 1.1 christos }
213 1.1 christos } else {
214 1.1 christos /* BSSID was already set (from (Re)Assoc event, so use it as
215 1.1 christos * the EAPOL destination. */
216 1.1 christos dst = wpa_s->bssid;
217 1.1 christos }
218 1.1 christos
219 1.1 christos msg = wpa_alloc_eapol(wpa_s, type, buf, len, &msglen, NULL);
220 1.1 christos if (msg == NULL)
221 1.1 christos return -1;
222 1.1 christos
223 1.1 christos wpa_printf(MSG_DEBUG, "TX EAPOL: dst=" MACSTR, MAC2STR(dst));
224 1.1 christos wpa_hexdump(MSG_MSGDUMP, "TX EAPOL", msg, msglen);
225 1.1 christos res = wpa_ether_send(wpa_s, dst, ETH_P_EAPOL, msg, msglen);
226 1.1 christos os_free(msg);
227 1.1 christos return res;
228 1.1 christos }
229 1.1 christos
230 1.1 christos
231 1.1.1.10 christos #ifdef CONFIG_WEP
232 1.1 christos /**
233 1.1 christos * wpa_eapol_set_wep_key - set WEP key for the driver
234 1.1 christos * @ctx: Pointer to wpa_supplicant data (wpa_s)
235 1.1 christos * @unicast: 1 = individual unicast key, 0 = broadcast key
236 1.1 christos * @keyidx: WEP key index (0..3)
237 1.1 christos * @key: Pointer to key data
238 1.1 christos * @keylen: Key length in bytes
239 1.1 christos * Returns: 0 on success or < 0 on error.
240 1.1 christos */
241 1.1 christos static int wpa_eapol_set_wep_key(void *ctx, int unicast, int keyidx,
242 1.1 christos const u8 *key, size_t keylen)
243 1.1 christos {
244 1.1 christos struct wpa_supplicant *wpa_s = ctx;
245 1.1 christos if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
246 1.1 christos int cipher = (keylen == 5) ? WPA_CIPHER_WEP40 :
247 1.1 christos WPA_CIPHER_WEP104;
248 1.1 christos if (unicast)
249 1.1 christos wpa_s->pairwise_cipher = cipher;
250 1.1 christos else
251 1.1 christos wpa_s->group_cipher = cipher;
252 1.1 christos }
253 1.1.1.10 christos return wpa_drv_set_key(wpa_s, -1, WPA_ALG_WEP,
254 1.1.1.3 christos unicast ? wpa_s->bssid : NULL,
255 1.1.1.10 christos keyidx, unicast, NULL, 0, key, keylen,
256 1.1.1.10 christos unicast ? KEY_FLAG_PAIRWISE_RX_TX :
257 1.1.1.10 christos KEY_FLAG_GROUP_RX_TX_DEFAULT);
258 1.1 christos }
259 1.1.1.10 christos #endif /* CONFIG_WEP */
260 1.1 christos
261 1.1 christos
262 1.1 christos static void wpa_supplicant_aborted_cached(void *ctx)
263 1.1 christos {
264 1.1 christos struct wpa_supplicant *wpa_s = ctx;
265 1.1 christos wpa_sm_aborted_cached(wpa_s->wpa);
266 1.1 christos }
267 1.1 christos
268 1.1 christos
269 1.1.1.5 christos static const char * result_str(enum eapol_supp_result result)
270 1.1.1.5 christos {
271 1.1.1.5 christos switch (result) {
272 1.1.1.5 christos case EAPOL_SUPP_RESULT_FAILURE:
273 1.1.1.5 christos return "FAILURE";
274 1.1.1.5 christos case EAPOL_SUPP_RESULT_SUCCESS:
275 1.1.1.5 christos return "SUCCESS";
276 1.1.1.5 christos case EAPOL_SUPP_RESULT_EXPECTED_FAILURE:
277 1.1.1.5 christos return "EXPECTED_FAILURE";
278 1.1.1.5 christos }
279 1.1.1.5 christos return "?";
280 1.1.1.5 christos }
281 1.1.1.5 christos
282 1.1.1.5 christos
283 1.1.1.5 christos static void wpa_supplicant_eapol_cb(struct eapol_sm *eapol,
284 1.1.1.5 christos enum eapol_supp_result result,
285 1.1 christos void *ctx)
286 1.1 christos {
287 1.1 christos struct wpa_supplicant *wpa_s = ctx;
288 1.1 christos int res, pmk_len;
289 1.1.1.10 christos u8 pmk[PMK_LEN_MAX];
290 1.1 christos
291 1.1.1.5 christos wpa_printf(MSG_DEBUG, "EAPOL authentication completed - result=%s",
292 1.1.1.5 christos result_str(result));
293 1.1 christos
294 1.1 christos if (wpas_wps_eapol_cb(wpa_s) > 0)
295 1.1 christos return;
296 1.1 christos
297 1.1.1.5 christos wpa_s->eap_expected_failure = result ==
298 1.1.1.5 christos EAPOL_SUPP_RESULT_EXPECTED_FAILURE;
299 1.1.1.5 christos
300 1.1.1.5 christos if (result != EAPOL_SUPP_RESULT_SUCCESS) {
301 1.1.1.10 christos int timeout = 2;
302 1.1 christos /*
303 1.1 christos * Make sure we do not get stuck here waiting for long EAPOL
304 1.1 christos * timeout if the AP does not disconnect in case of
305 1.1 christos * authentication failure.
306 1.1 christos */
307 1.1.1.10 christos if (wpa_s->eapol_failed) {
308 1.1.1.10 christos wpa_printf(MSG_DEBUG,
309 1.1.1.10 christos "EAPOL authentication failed again and AP did not disconnect us");
310 1.1.1.10 christos timeout = 0;
311 1.1.1.10 christos }
312 1.1.1.10 christos wpa_s->eapol_failed = 1;
313 1.1.1.10 christos wpa_supplicant_req_auth_timeout(wpa_s, timeout, 0);
314 1.1.1.5 christos } else {
315 1.1.1.10 christos wpa_s->eapol_failed = 0;
316 1.1.1.5 christos ieee802_1x_notify_create_actor(wpa_s, wpa_s->last_eapol_src);
317 1.1 christos }
318 1.1 christos
319 1.1.1.5 christos if (result != EAPOL_SUPP_RESULT_SUCCESS ||
320 1.1.1.9 christos !(wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_8021X))
321 1.1 christos return;
322 1.1 christos
323 1.1 christos if (!wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt))
324 1.1 christos return;
325 1.1 christos
326 1.1 christos wpa_printf(MSG_DEBUG, "Configure PMK for driver-based RSN 4-way "
327 1.1 christos "handshake");
328 1.1 christos
329 1.1.1.10 christos if (wpa_key_mgmt_sha384(wpa_s->key_mgmt))
330 1.1.1.10 christos pmk_len = PMK_LEN_SUITE_B_192;
331 1.1.1.10 christos else
332 1.1.1.10 christos pmk_len = PMK_LEN;
333 1.1.1.10 christos
334 1.1.1.3 christos if (wpa_key_mgmt_ft(wpa_s->key_mgmt)) {
335 1.1.1.3 christos #ifdef CONFIG_IEEE80211R
336 1.1.1.3 christos u8 buf[2 * PMK_LEN];
337 1.1.1.3 christos wpa_printf(MSG_DEBUG, "RSN: Use FT XXKey as PMK for "
338 1.1.1.3 christos "driver-based 4-way hs and FT");
339 1.1.1.3 christos res = eapol_sm_get_key(eapol, buf, 2 * PMK_LEN);
340 1.1.1.3 christos if (res == 0) {
341 1.1.1.3 christos os_memcpy(pmk, buf + PMK_LEN, PMK_LEN);
342 1.1.1.3 christos os_memset(buf, 0, sizeof(buf));
343 1.1.1.3 christos }
344 1.1.1.3 christos #else /* CONFIG_IEEE80211R */
345 1.1.1.3 christos res = -1;
346 1.1.1.3 christos #endif /* CONFIG_IEEE80211R */
347 1.1.1.3 christos } else {
348 1.1.1.10 christos res = eapol_sm_get_key(eapol, pmk, pmk_len);
349 1.1.1.3 christos if (res) {
350 1.1.1.3 christos /*
351 1.1.1.3 christos * EAP-LEAP is an exception from other EAP methods: it
352 1.1.1.3 christos * uses only 16-byte PMK.
353 1.1.1.3 christos */
354 1.1.1.3 christos res = eapol_sm_get_key(eapol, pmk, 16);
355 1.1.1.3 christos pmk_len = 16;
356 1.1.1.3 christos }
357 1.1 christos }
358 1.1 christos
359 1.1 christos if (res) {
360 1.1 christos wpa_printf(MSG_DEBUG, "Failed to get PMK from EAPOL state "
361 1.1 christos "machines");
362 1.1 christos return;
363 1.1 christos }
364 1.1 christos
365 1.1.1.3 christos wpa_hexdump_key(MSG_DEBUG, "RSN: Configure PMK for driver-based 4-way "
366 1.1.1.3 christos "handshake", pmk, pmk_len);
367 1.1.1.3 christos
368 1.1.1.10 christos if (wpa_drv_set_key(wpa_s, -1, 0, NULL, 0, 0, NULL, 0, pmk,
369 1.1.1.10 christos pmk_len, KEY_FLAG_PMK)) {
370 1.1 christos wpa_printf(MSG_DEBUG, "Failed to set PMK to the driver");
371 1.1 christos }
372 1.1 christos
373 1.1 christos wpa_supplicant_cancel_scan(wpa_s);
374 1.1 christos wpa_supplicant_cancel_auth_timeout(wpa_s);
375 1.1 christos wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
376 1.1 christos
377 1.1 christos }
378 1.1 christos
379 1.1 christos
380 1.1 christos static void wpa_supplicant_notify_eapol_done(void *ctx)
381 1.1 christos {
382 1.1 christos struct wpa_supplicant *wpa_s = ctx;
383 1.1 christos wpa_msg(wpa_s, MSG_DEBUG, "WPA: EAPOL processing complete");
384 1.1 christos if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
385 1.1 christos wpa_supplicant_set_state(wpa_s, WPA_4WAY_HANDSHAKE);
386 1.1 christos } else {
387 1.1 christos wpa_supplicant_cancel_auth_timeout(wpa_s);
388 1.1 christos wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
389 1.1 christos }
390 1.1 christos }
391 1.1 christos
392 1.1 christos #endif /* IEEE8021X_EAPOL */
393 1.1 christos
394 1.1 christos
395 1.1 christos #ifndef CONFIG_NO_WPA
396 1.1 christos
397 1.1 christos static int wpa_get_beacon_ie(struct wpa_supplicant *wpa_s)
398 1.1 christos {
399 1.1 christos int ret = 0;
400 1.1 christos struct wpa_bss *curr = NULL, *bss;
401 1.1 christos struct wpa_ssid *ssid = wpa_s->current_ssid;
402 1.1 christos const u8 *ie;
403 1.1 christos
404 1.1 christos dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
405 1.1.1.10 christos if (!ether_addr_equal(bss->bssid, wpa_s->bssid))
406 1.1 christos continue;
407 1.1 christos if (ssid == NULL ||
408 1.1 christos ((bss->ssid_len == ssid->ssid_len &&
409 1.1 christos os_memcmp(bss->ssid, ssid->ssid, ssid->ssid_len) == 0) ||
410 1.1 christos ssid->ssid_len == 0)) {
411 1.1 christos curr = bss;
412 1.1 christos break;
413 1.1 christos }
414 1.1.1.10 christos #ifdef CONFIG_OWE
415 1.1.1.10 christos if (ssid && (ssid->key_mgmt & WPA_KEY_MGMT_OWE) &&
416 1.1.1.10 christos (bss->flags & WPA_BSS_OWE_TRANSITION)) {
417 1.1.1.10 christos curr = bss;
418 1.1.1.10 christos break;
419 1.1.1.10 christos }
420 1.1.1.10 christos #endif /* CONFIG_OWE */
421 1.1 christos }
422 1.1 christos
423 1.1 christos if (curr) {
424 1.1 christos ie = wpa_bss_get_vendor_ie(curr, WPA_IE_VENDOR_TYPE);
425 1.1 christos if (wpa_sm_set_ap_wpa_ie(wpa_s->wpa, ie, ie ? 2 + ie[1] : 0))
426 1.1 christos ret = -1;
427 1.1 christos
428 1.1 christos ie = wpa_bss_get_ie(curr, WLAN_EID_RSN);
429 1.1 christos if (wpa_sm_set_ap_rsn_ie(wpa_s->wpa, ie, ie ? 2 + ie[1] : 0))
430 1.1 christos ret = -1;
431 1.1.1.10 christos
432 1.1.1.10 christos ie = wpa_bss_get_ie(curr, WLAN_EID_RSNX);
433 1.1.1.10 christos if (wpa_sm_set_ap_rsnxe(wpa_s->wpa, ie, ie ? 2 + ie[1] : 0))
434 1.1.1.10 christos ret = -1;
435 1.1 christos } else {
436 1.1 christos ret = -1;
437 1.1 christos }
438 1.1 christos
439 1.1 christos return ret;
440 1.1 christos }
441 1.1 christos
442 1.1 christos
443 1.1 christos static int wpa_supplicant_get_beacon_ie(void *ctx)
444 1.1 christos {
445 1.1 christos struct wpa_supplicant *wpa_s = ctx;
446 1.1 christos if (wpa_get_beacon_ie(wpa_s) == 0) {
447 1.1 christos return 0;
448 1.1 christos }
449 1.1 christos
450 1.1 christos /* No WPA/RSN IE found in the cached scan results. Try to get updated
451 1.1 christos * scan results from the driver. */
452 1.1.1.10 christos if (wpa_supplicant_update_scan_results(wpa_s, wpa_s->bssid) < 0)
453 1.1 christos return -1;
454 1.1 christos
455 1.1 christos return wpa_get_beacon_ie(wpa_s);
456 1.1 christos }
457 1.1 christos
458 1.1 christos
459 1.1 christos static u8 * _wpa_alloc_eapol(void *wpa_s, u8 type,
460 1.1 christos const void *data, u16 data_len,
461 1.1 christos size_t *msg_len, void **data_pos)
462 1.1 christos {
463 1.1 christos return wpa_alloc_eapol(wpa_s, type, data, data_len, msg_len, data_pos);
464 1.1 christos }
465 1.1 christos
466 1.1 christos
467 1.1 christos static int _wpa_ether_send(void *wpa_s, const u8 *dest, u16 proto,
468 1.1 christos const u8 *buf, size_t len)
469 1.1 christos {
470 1.1 christos return wpa_ether_send(wpa_s, dest, proto, buf, len);
471 1.1 christos }
472 1.1 christos
473 1.1 christos
474 1.1 christos static void _wpa_supplicant_cancel_auth_timeout(void *wpa_s)
475 1.1 christos {
476 1.1 christos wpa_supplicant_cancel_auth_timeout(wpa_s);
477 1.1 christos }
478 1.1 christos
479 1.1 christos
480 1.1 christos static void _wpa_supplicant_set_state(void *wpa_s, enum wpa_states state)
481 1.1 christos {
482 1.1 christos wpa_supplicant_set_state(wpa_s, state);
483 1.1 christos }
484 1.1 christos
485 1.1 christos
486 1.1 christos /**
487 1.1 christos * wpa_supplicant_get_state - Get the connection state
488 1.1 christos * @wpa_s: Pointer to wpa_supplicant data
489 1.1 christos * Returns: The current connection state (WPA_*)
490 1.1 christos */
491 1.1 christos static enum wpa_states wpa_supplicant_get_state(struct wpa_supplicant *wpa_s)
492 1.1 christos {
493 1.1 christos return wpa_s->wpa_state;
494 1.1 christos }
495 1.1 christos
496 1.1 christos
497 1.1 christos static enum wpa_states _wpa_supplicant_get_state(void *wpa_s)
498 1.1 christos {
499 1.1 christos return wpa_supplicant_get_state(wpa_s);
500 1.1 christos }
501 1.1 christos
502 1.1 christos
503 1.1.1.9 christos static void _wpa_supplicant_deauthenticate(void *wpa_s, u16 reason_code)
504 1.1 christos {
505 1.1 christos wpa_supplicant_deauthenticate(wpa_s, reason_code);
506 1.1 christos /* Schedule a scan to make sure we continue looking for networks */
507 1.1 christos wpa_supplicant_req_scan(wpa_s, 5, 0);
508 1.1 christos }
509 1.1 christos
510 1.1 christos
511 1.1.1.10 christos static void _wpa_supplicant_reconnect(void *wpa_s)
512 1.1.1.10 christos {
513 1.1.1.10 christos wpa_supplicant_reconnect(wpa_s);
514 1.1.1.10 christos }
515 1.1.1.10 christos
516 1.1.1.10 christos
517 1.1 christos static void * wpa_supplicant_get_network_ctx(void *wpa_s)
518 1.1 christos {
519 1.1 christos return wpa_supplicant_get_ssid(wpa_s);
520 1.1 christos }
521 1.1 christos
522 1.1 christos
523 1.1 christos static int wpa_supplicant_get_bssid(void *ctx, u8 *bssid)
524 1.1 christos {
525 1.1 christos struct wpa_supplicant *wpa_s = ctx;
526 1.1 christos return wpa_drv_get_bssid(wpa_s, bssid);
527 1.1 christos }
528 1.1 christos
529 1.1 christos
530 1.1.1.10 christos static int wpa_supplicant_set_key(void *_wpa_s, int link_id, enum wpa_alg alg,
531 1.1 christos const u8 *addr, int key_idx, int set_tx,
532 1.1 christos const u8 *seq, size_t seq_len,
533 1.1.1.10 christos const u8 *key, size_t key_len,
534 1.1.1.10 christos enum key_flag key_flag)
535 1.1 christos {
536 1.1 christos struct wpa_supplicant *wpa_s = _wpa_s;
537 1.1.1.10 christos int ret;
538 1.1.1.10 christos
539 1.1 christos if (alg == WPA_ALG_TKIP && key_idx == 0 && key_len == 32) {
540 1.1 christos /* Clear the MIC error counter when setting a new PTK. */
541 1.1 christos wpa_s->mic_errors_seen = 0;
542 1.1 christos }
543 1.1.1.5 christos #ifdef CONFIG_TESTING_GET_GTK
544 1.1.1.5 christos if (key_idx > 0 && addr && is_broadcast_ether_addr(addr) &&
545 1.1.1.5 christos alg != WPA_ALG_NONE && key_len <= sizeof(wpa_s->last_gtk)) {
546 1.1.1.5 christos os_memcpy(wpa_s->last_gtk, key, key_len);
547 1.1.1.5 christos wpa_s->last_gtk_len = key_len;
548 1.1.1.5 christos }
549 1.1.1.5 christos #endif /* CONFIG_TESTING_GET_GTK */
550 1.1.1.8 christos #ifdef CONFIG_TESTING_OPTIONS
551 1.1.1.10 christos if (addr && !is_broadcast_ether_addr(addr) &&
552 1.1.1.10 christos !(key_flag & KEY_FLAG_MODIFY)) {
553 1.1.1.8 christos wpa_s->last_tk_alg = alg;
554 1.1.1.8 christos os_memcpy(wpa_s->last_tk_addr, addr, ETH_ALEN);
555 1.1.1.8 christos wpa_s->last_tk_key_idx = key_idx;
556 1.1.1.8 christos if (key)
557 1.1.1.8 christos os_memcpy(wpa_s->last_tk, key, key_len);
558 1.1.1.8 christos wpa_s->last_tk_len = key_len;
559 1.1.1.8 christos }
560 1.1.1.8 christos #endif /* CONFIG_TESTING_OPTIONS */
561 1.1.1.10 christos
562 1.1.1.10 christos ret = wpa_drv_set_key(wpa_s, link_id, alg, addr, key_idx, set_tx, seq,
563 1.1.1.10 christos seq_len, key, key_len, key_flag);
564 1.1.1.10 christos if (ret == 0 && (key_idx == 6 || key_idx == 7) &&
565 1.1.1.10 christos alg != WPA_ALG_NONE && key_len > 0)
566 1.1.1.10 christos wpa_s->bigtk_set = true;
567 1.1.1.10 christos
568 1.1.1.10 christos return ret;
569 1.1 christos }
570 1.1 christos
571 1.1 christos
572 1.1 christos static int wpa_supplicant_mlme_setprotection(void *wpa_s, const u8 *addr,
573 1.1 christos int protection_type,
574 1.1 christos int key_type)
575 1.1 christos {
576 1.1 christos return wpa_drv_mlme_setprotection(wpa_s, addr, protection_type,
577 1.1 christos key_type);
578 1.1 christos }
579 1.1 christos
580 1.1 christos
581 1.1.1.8 christos static struct wpa_ssid * wpas_get_network_ctx(struct wpa_supplicant *wpa_s,
582 1.1.1.8 christos void *network_ctx)
583 1.1.1.8 christos {
584 1.1.1.8 christos struct wpa_ssid *ssid;
585 1.1.1.8 christos
586 1.1.1.8 christos for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
587 1.1.1.8 christos if (network_ctx == ssid)
588 1.1.1.8 christos return ssid;
589 1.1.1.8 christos }
590 1.1.1.8 christos
591 1.1.1.8 christos return NULL;
592 1.1.1.8 christos }
593 1.1.1.8 christos
594 1.1.1.8 christos
595 1.1.1.8 christos static int wpa_supplicant_add_pmkid(void *_wpa_s, void *network_ctx,
596 1.1.1.8 christos const u8 *bssid, const u8 *pmkid,
597 1.1.1.8 christos const u8 *fils_cache_id,
598 1.1.1.10 christos const u8 *pmk, size_t pmk_len,
599 1.1.1.10 christos u32 pmk_lifetime, u8 pmk_reauth_threshold,
600 1.1.1.10 christos int akmp)
601 1.1 christos {
602 1.1.1.8 christos struct wpa_supplicant *wpa_s = _wpa_s;
603 1.1.1.8 christos struct wpa_ssid *ssid;
604 1.1.1.8 christos struct wpa_pmkid_params params;
605 1.1.1.8 christos
606 1.1.1.8 christos os_memset(¶ms, 0, sizeof(params));
607 1.1.1.8 christos ssid = wpas_get_network_ctx(wpa_s, network_ctx);
608 1.1.1.10 christos if (ssid) {
609 1.1.1.8 christos wpa_msg(wpa_s, MSG_INFO, PMKSA_CACHE_ADDED MACSTR " %d",
610 1.1.1.8 christos MAC2STR(bssid), ssid->id);
611 1.1.1.10 christos if ((akmp == WPA_KEY_MGMT_FT_IEEE8021X ||
612 1.1.1.10 christos akmp == WPA_KEY_MGMT_FT_IEEE8021X_SHA384) &&
613 1.1.1.10 christos !ssid->ft_eap_pmksa_caching) {
614 1.1.1.10 christos /* Since we will not be using PMKSA caching for FT-EAP
615 1.1.1.10 christos * within wpa_supplicant to avoid known interop issues
616 1.1.1.10 christos * with APs, do not add this PMKID to the driver either
617 1.1.1.10 christos * so that we won't be hitting those interop issues
618 1.1.1.10 christos * with driver-based RSNE generation. */
619 1.1.1.10 christos wpa_printf(MSG_DEBUG,
620 1.1.1.10 christos "FT: Do not add PMKID entry to the driver since FT-EAP PMKSA caching is not enabled in configuration");
621 1.1.1.10 christos return 0;
622 1.1.1.10 christos }
623 1.1.1.10 christos }
624 1.1.1.8 christos if (ssid && fils_cache_id) {
625 1.1.1.8 christos params.ssid = ssid->ssid;
626 1.1.1.8 christos params.ssid_len = ssid->ssid_len;
627 1.1.1.8 christos params.fils_cache_id = fils_cache_id;
628 1.1.1.8 christos } else {
629 1.1.1.8 christos params.bssid = bssid;
630 1.1.1.8 christos }
631 1.1.1.8 christos
632 1.1.1.8 christos params.pmkid = pmkid;
633 1.1.1.8 christos params.pmk = pmk;
634 1.1.1.8 christos params.pmk_len = pmk_len;
635 1.1.1.10 christos params.pmk_lifetime = pmk_lifetime;
636 1.1.1.10 christos params.pmk_reauth_threshold = pmk_reauth_threshold;
637 1.1.1.8 christos
638 1.1.1.8 christos return wpa_drv_add_pmkid(wpa_s, ¶ms);
639 1.1 christos }
640 1.1 christos
641 1.1 christos
642 1.1.1.8 christos static int wpa_supplicant_remove_pmkid(void *_wpa_s, void *network_ctx,
643 1.1.1.8 christos const u8 *bssid, const u8 *pmkid,
644 1.1.1.8 christos const u8 *fils_cache_id)
645 1.1 christos {
646 1.1.1.8 christos struct wpa_supplicant *wpa_s = _wpa_s;
647 1.1.1.8 christos struct wpa_ssid *ssid;
648 1.1.1.8 christos struct wpa_pmkid_params params;
649 1.1.1.8 christos
650 1.1.1.8 christos os_memset(¶ms, 0, sizeof(params));
651 1.1.1.8 christos ssid = wpas_get_network_ctx(wpa_s, network_ctx);
652 1.1.1.8 christos if (ssid)
653 1.1.1.8 christos wpa_msg(wpa_s, MSG_INFO, PMKSA_CACHE_REMOVED MACSTR " %d",
654 1.1.1.8 christos MAC2STR(bssid), ssid->id);
655 1.1.1.8 christos if (ssid && fils_cache_id) {
656 1.1.1.8 christos params.ssid = ssid->ssid;
657 1.1.1.8 christos params.ssid_len = ssid->ssid_len;
658 1.1.1.8 christos params.fils_cache_id = fils_cache_id;
659 1.1.1.8 christos } else {
660 1.1.1.8 christos params.bssid = bssid;
661 1.1.1.8 christos }
662 1.1.1.8 christos
663 1.1.1.8 christos params.pmkid = pmkid;
664 1.1.1.8 christos
665 1.1.1.8 christos return wpa_drv_remove_pmkid(wpa_s, ¶ms);
666 1.1 christos }
667 1.1 christos
668 1.1 christos
669 1.1 christos #ifdef CONFIG_IEEE80211R
670 1.1 christos static int wpa_supplicant_update_ft_ies(void *ctx, const u8 *md,
671 1.1 christos const u8 *ies, size_t ies_len)
672 1.1 christos {
673 1.1 christos struct wpa_supplicant *wpa_s = ctx;
674 1.1 christos if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
675 1.1 christos return sme_update_ft_ies(wpa_s, md, ies, ies_len);
676 1.1 christos return wpa_drv_update_ft_ies(wpa_s, md, ies, ies_len);
677 1.1 christos }
678 1.1 christos
679 1.1 christos
680 1.1 christos static int wpa_supplicant_send_ft_action(void *ctx, u8 action,
681 1.1 christos const u8 *target_ap,
682 1.1 christos const u8 *ies, size_t ies_len)
683 1.1 christos {
684 1.1 christos struct wpa_supplicant *wpa_s = ctx;
685 1.1.1.6 christos int ret;
686 1.1.1.6 christos u8 *data, *pos;
687 1.1.1.6 christos size_t data_len;
688 1.1.1.6 christos
689 1.1.1.6 christos if (action != 1) {
690 1.1.1.6 christos wpa_printf(MSG_ERROR, "Unsupported send_ft_action action %d",
691 1.1.1.6 christos action);
692 1.1.1.6 christos return -1;
693 1.1.1.6 christos }
694 1.1.1.6 christos
695 1.1.1.6 christos /*
696 1.1.1.6 christos * Action frame payload:
697 1.1.1.6 christos * Category[1] = 6 (Fast BSS Transition)
698 1.1.1.6 christos * Action[1] = 1 (Fast BSS Transition Request)
699 1.1.1.6 christos * STA Address
700 1.1.1.6 christos * Target AP Address
701 1.1.1.6 christos * FT IEs
702 1.1.1.6 christos */
703 1.1.1.6 christos
704 1.1.1.6 christos data_len = 2 + 2 * ETH_ALEN + ies_len;
705 1.1.1.6 christos data = os_malloc(data_len);
706 1.1.1.6 christos if (data == NULL)
707 1.1.1.6 christos return -1;
708 1.1.1.6 christos pos = data;
709 1.1.1.6 christos *pos++ = 0x06; /* FT Action category */
710 1.1.1.6 christos *pos++ = action;
711 1.1.1.6 christos os_memcpy(pos, wpa_s->own_addr, ETH_ALEN);
712 1.1.1.6 christos pos += ETH_ALEN;
713 1.1.1.6 christos os_memcpy(pos, target_ap, ETH_ALEN);
714 1.1.1.6 christos pos += ETH_ALEN;
715 1.1.1.6 christos os_memcpy(pos, ies, ies_len);
716 1.1.1.6 christos
717 1.1.1.6 christos ret = wpa_drv_send_action(wpa_s, wpa_s->assoc_freq, 0,
718 1.1.1.6 christos wpa_s->bssid, wpa_s->own_addr, wpa_s->bssid,
719 1.1.1.6 christos data, data_len, 0);
720 1.1.1.6 christos os_free(data);
721 1.1.1.6 christos
722 1.1.1.6 christos return ret;
723 1.1 christos }
724 1.1 christos
725 1.1 christos
726 1.1 christos static int wpa_supplicant_mark_authenticated(void *ctx, const u8 *target_ap)
727 1.1 christos {
728 1.1 christos struct wpa_supplicant *wpa_s = ctx;
729 1.1 christos struct wpa_driver_auth_params params;
730 1.1 christos struct wpa_bss *bss;
731 1.1 christos
732 1.1 christos bss = wpa_bss_get_bssid(wpa_s, target_ap);
733 1.1 christos if (bss == NULL)
734 1.1 christos return -1;
735 1.1 christos
736 1.1 christos os_memset(¶ms, 0, sizeof(params));
737 1.1 christos params.bssid = target_ap;
738 1.1 christos params.freq = bss->freq;
739 1.1 christos params.ssid = bss->ssid;
740 1.1 christos params.ssid_len = bss->ssid_len;
741 1.1 christos params.auth_alg = WPA_AUTH_ALG_FT;
742 1.1 christos params.local_state_change = 1;
743 1.1 christos return wpa_drv_authenticate(wpa_s, ¶ms);
744 1.1 christos }
745 1.1 christos #endif /* CONFIG_IEEE80211R */
746 1.1 christos
747 1.1 christos
748 1.1.1.3 christos #ifdef CONFIG_TDLS
749 1.1.1.3 christos
750 1.1.1.3 christos static int wpa_supplicant_tdls_get_capa(void *ctx, int *tdls_supported,
751 1.1.1.6 christos int *tdls_ext_setup,
752 1.1.1.6 christos int *tdls_chan_switch)
753 1.1.1.3 christos {
754 1.1.1.3 christos struct wpa_supplicant *wpa_s = ctx;
755 1.1.1.3 christos
756 1.1.1.3 christos *tdls_supported = 0;
757 1.1.1.3 christos *tdls_ext_setup = 0;
758 1.1.1.6 christos *tdls_chan_switch = 0;
759 1.1.1.3 christos
760 1.1.1.3 christos if (!wpa_s->drv_capa_known)
761 1.1.1.3 christos return -1;
762 1.1.1.3 christos
763 1.1.1.3 christos if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT)
764 1.1.1.3 christos *tdls_supported = 1;
765 1.1.1.3 christos
766 1.1.1.3 christos if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_TDLS_EXTERNAL_SETUP)
767 1.1.1.3 christos *tdls_ext_setup = 1;
768 1.1.1.3 christos
769 1.1.1.6 christos if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH)
770 1.1.1.6 christos *tdls_chan_switch = 1;
771 1.1.1.6 christos
772 1.1.1.3 christos return 0;
773 1.1.1.3 christos }
774 1.1.1.3 christos
775 1.1.1.3 christos
776 1.1.1.3 christos static int wpa_supplicant_send_tdls_mgmt(void *ctx, const u8 *dst,
777 1.1.1.3 christos u8 action_code, u8 dialog_token,
778 1.1.1.5 christos u16 status_code, u32 peer_capab,
779 1.1.1.5 christos int initiator, const u8 *buf,
780 1.1.1.10 christos size_t len, int link_id)
781 1.1.1.3 christos {
782 1.1.1.3 christos struct wpa_supplicant *wpa_s = ctx;
783 1.1.1.3 christos return wpa_drv_send_tdls_mgmt(wpa_s, dst, action_code, dialog_token,
784 1.1.1.5 christos status_code, peer_capab, initiator, buf,
785 1.1.1.10 christos len, link_id);
786 1.1.1.3 christos }
787 1.1.1.3 christos
788 1.1.1.3 christos
789 1.1.1.3 christos static int wpa_supplicant_tdls_oper(void *ctx, int oper, const u8 *peer)
790 1.1.1.3 christos {
791 1.1.1.3 christos struct wpa_supplicant *wpa_s = ctx;
792 1.1.1.3 christos return wpa_drv_tdls_oper(wpa_s, oper, peer);
793 1.1.1.3 christos }
794 1.1.1.3 christos
795 1.1.1.3 christos
796 1.1.1.3 christos static int wpa_supplicant_tdls_peer_addset(
797 1.1.1.5 christos void *ctx, const u8 *peer, int add, u16 aid, u16 capability,
798 1.1.1.5 christos const u8 *supp_rates, size_t supp_rates_len,
799 1.1.1.5 christos const struct ieee80211_ht_capabilities *ht_capab,
800 1.1.1.5 christos const struct ieee80211_vht_capabilities *vht_capab,
801 1.1.1.10 christos const struct ieee80211_he_capabilities *he_capab,
802 1.1.1.10 christos size_t he_capab_len,
803 1.1.1.10 christos const struct ieee80211_he_6ghz_band_cap *he_6ghz_he_capab,
804 1.1.1.5 christos u8 qosinfo, int wmm, const u8 *ext_capab, size_t ext_capab_len,
805 1.1.1.5 christos const u8 *supp_channels, size_t supp_channels_len,
806 1.1.1.10 christos const u8 *supp_oper_classes, size_t supp_oper_classes_len,
807 1.1.1.10 christos const struct ieee80211_eht_capabilities *eht_capab,
808 1.1.1.10 christos size_t eht_capab_len, int mld_link_id)
809 1.1.1.3 christos {
810 1.1.1.3 christos struct wpa_supplicant *wpa_s = ctx;
811 1.1.1.3 christos struct hostapd_sta_add_params params;
812 1.1.1.3 christos
813 1.1.1.5 christos os_memset(¶ms, 0, sizeof(params));
814 1.1.1.5 christos
815 1.1.1.3 christos params.addr = peer;
816 1.1.1.5 christos params.aid = aid;
817 1.1.1.3 christos params.capability = capability;
818 1.1.1.3 christos params.flags = WPA_STA_TDLS_PEER | WPA_STA_AUTHORIZED;
819 1.1.1.5 christos
820 1.1.1.5 christos /*
821 1.1.1.5 christos * Don't rely only on qosinfo for WMM capability. It may be 0 even when
822 1.1.1.5 christos * present. Allow the WMM IE to also indicate QoS support.
823 1.1.1.5 christos */
824 1.1.1.5 christos if (wmm || qosinfo)
825 1.1.1.5 christos params.flags |= WPA_STA_WMM;
826 1.1.1.5 christos
827 1.1.1.5 christos params.ht_capabilities = ht_capab;
828 1.1.1.5 christos params.vht_capabilities = vht_capab;
829 1.1.1.10 christos params.he_capab = he_capab;
830 1.1.1.10 christos params.he_capab_len = he_capab_len;
831 1.1.1.10 christos params.he_6ghz_capab = he_6ghz_he_capab;
832 1.1.1.5 christos params.qosinfo = qosinfo;
833 1.1.1.3 christos params.listen_interval = 0;
834 1.1.1.3 christos params.supp_rates = supp_rates;
835 1.1.1.3 christos params.supp_rates_len = supp_rates_len;
836 1.1.1.3 christos params.set = !add;
837 1.1.1.5 christos params.ext_capab = ext_capab;
838 1.1.1.5 christos params.ext_capab_len = ext_capab_len;
839 1.1.1.5 christos params.supp_channels = supp_channels;
840 1.1.1.5 christos params.supp_channels_len = supp_channels_len;
841 1.1.1.5 christos params.supp_oper_classes = supp_oper_classes;
842 1.1.1.5 christos params.supp_oper_classes_len = supp_oper_classes_len;
843 1.1.1.10 christos params.eht_capab = eht_capab;
844 1.1.1.10 christos params.eht_capab_len = eht_capab_len;
845 1.1.1.10 christos params.mld_link_id = mld_link_id;
846 1.1.1.3 christos
847 1.1.1.3 christos return wpa_drv_sta_add(wpa_s, ¶ms);
848 1.1.1.3 christos }
849 1.1.1.3 christos
850 1.1.1.6 christos
851 1.1.1.6 christos static int wpa_supplicant_tdls_enable_channel_switch(
852 1.1.1.6 christos void *ctx, const u8 *addr, u8 oper_class,
853 1.1.1.6 christos const struct hostapd_freq_params *params)
854 1.1.1.6 christos {
855 1.1.1.6 christos struct wpa_supplicant *wpa_s = ctx;
856 1.1.1.6 christos
857 1.1.1.6 christos return wpa_drv_tdls_enable_channel_switch(wpa_s, addr, oper_class,
858 1.1.1.6 christos params);
859 1.1.1.6 christos }
860 1.1.1.6 christos
861 1.1.1.6 christos
862 1.1.1.6 christos static int wpa_supplicant_tdls_disable_channel_switch(void *ctx, const u8 *addr)
863 1.1.1.6 christos {
864 1.1.1.6 christos struct wpa_supplicant *wpa_s = ctx;
865 1.1.1.6 christos
866 1.1.1.6 christos return wpa_drv_tdls_disable_channel_switch(wpa_s, addr);
867 1.1.1.6 christos }
868 1.1.1.6 christos
869 1.1.1.3 christos #endif /* CONFIG_TDLS */
870 1.1.1.3 christos
871 1.1.1.5 christos #endif /* CONFIG_NO_WPA */
872 1.1.1.5 christos
873 1.1.1.3 christos
874 1.1.1.3 christos enum wpa_ctrl_req_type wpa_supplicant_ctrl_req_from_string(const char *field)
875 1.1.1.3 christos {
876 1.1.1.3 christos if (os_strcmp(field, "IDENTITY") == 0)
877 1.1.1.3 christos return WPA_CTRL_REQ_EAP_IDENTITY;
878 1.1.1.3 christos else if (os_strcmp(field, "PASSWORD") == 0)
879 1.1.1.3 christos return WPA_CTRL_REQ_EAP_PASSWORD;
880 1.1.1.3 christos else if (os_strcmp(field, "NEW_PASSWORD") == 0)
881 1.1.1.3 christos return WPA_CTRL_REQ_EAP_NEW_PASSWORD;
882 1.1.1.3 christos else if (os_strcmp(field, "PIN") == 0)
883 1.1.1.3 christos return WPA_CTRL_REQ_EAP_PIN;
884 1.1.1.3 christos else if (os_strcmp(field, "OTP") == 0)
885 1.1.1.3 christos return WPA_CTRL_REQ_EAP_OTP;
886 1.1.1.3 christos else if (os_strcmp(field, "PASSPHRASE") == 0)
887 1.1.1.3 christos return WPA_CTRL_REQ_EAP_PASSPHRASE;
888 1.1.1.5 christos else if (os_strcmp(field, "SIM") == 0)
889 1.1.1.5 christos return WPA_CTRL_REQ_SIM;
890 1.1.1.7 christos else if (os_strcmp(field, "PSK_PASSPHRASE") == 0)
891 1.1.1.7 christos return WPA_CTRL_REQ_PSK_PASSPHRASE;
892 1.1.1.7 christos else if (os_strcmp(field, "EXT_CERT_CHECK") == 0)
893 1.1.1.7 christos return WPA_CTRL_REQ_EXT_CERT_CHECK;
894 1.1.1.3 christos return WPA_CTRL_REQ_UNKNOWN;
895 1.1.1.3 christos }
896 1.1.1.3 christos
897 1.1.1.3 christos
898 1.1.1.3 christos const char * wpa_supplicant_ctrl_req_to_string(enum wpa_ctrl_req_type field,
899 1.1.1.3 christos const char *default_txt,
900 1.1.1.3 christos const char **txt)
901 1.1.1.3 christos {
902 1.1.1.3 christos const char *ret = NULL;
903 1.1.1.3 christos
904 1.1.1.3 christos *txt = default_txt;
905 1.1.1.3 christos
906 1.1.1.3 christos switch (field) {
907 1.1.1.3 christos case WPA_CTRL_REQ_EAP_IDENTITY:
908 1.1.1.3 christos *txt = "Identity";
909 1.1.1.3 christos ret = "IDENTITY";
910 1.1.1.3 christos break;
911 1.1.1.3 christos case WPA_CTRL_REQ_EAP_PASSWORD:
912 1.1.1.3 christos *txt = "Password";
913 1.1.1.3 christos ret = "PASSWORD";
914 1.1.1.3 christos break;
915 1.1.1.3 christos case WPA_CTRL_REQ_EAP_NEW_PASSWORD:
916 1.1.1.3 christos *txt = "New Password";
917 1.1.1.3 christos ret = "NEW_PASSWORD";
918 1.1.1.3 christos break;
919 1.1.1.3 christos case WPA_CTRL_REQ_EAP_PIN:
920 1.1.1.3 christos *txt = "PIN";
921 1.1.1.3 christos ret = "PIN";
922 1.1.1.3 christos break;
923 1.1.1.3 christos case WPA_CTRL_REQ_EAP_OTP:
924 1.1.1.3 christos ret = "OTP";
925 1.1.1.3 christos break;
926 1.1.1.3 christos case WPA_CTRL_REQ_EAP_PASSPHRASE:
927 1.1.1.3 christos *txt = "Private key passphrase";
928 1.1.1.3 christos ret = "PASSPHRASE";
929 1.1.1.3 christos break;
930 1.1.1.5 christos case WPA_CTRL_REQ_SIM:
931 1.1.1.5 christos ret = "SIM";
932 1.1.1.5 christos break;
933 1.1.1.7 christos case WPA_CTRL_REQ_PSK_PASSPHRASE:
934 1.1.1.7 christos *txt = "PSK or passphrase";
935 1.1.1.7 christos ret = "PSK_PASSPHRASE";
936 1.1.1.7 christos break;
937 1.1.1.7 christos case WPA_CTRL_REQ_EXT_CERT_CHECK:
938 1.1.1.7 christos *txt = "External server certificate validation";
939 1.1.1.7 christos ret = "EXT_CERT_CHECK";
940 1.1.1.7 christos break;
941 1.1.1.3 christos default:
942 1.1.1.3 christos break;
943 1.1.1.3 christos }
944 1.1.1.3 christos
945 1.1.1.3 christos /* txt needs to be something */
946 1.1.1.3 christos if (*txt == NULL) {
947 1.1.1.3 christos wpa_printf(MSG_WARNING, "No message for request %d", field);
948 1.1.1.3 christos ret = NULL;
949 1.1.1.3 christos }
950 1.1.1.3 christos
951 1.1.1.3 christos return ret;
952 1.1.1.3 christos }
953 1.1.1.3 christos
954 1.1.1.7 christos
955 1.1.1.7 christos void wpas_send_ctrl_req(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
956 1.1.1.7 christos const char *field_name, const char *txt)
957 1.1.1.7 christos {
958 1.1.1.10 christos wpa_msg(wpa_s, MSG_INFO, WPA_CTRL_REQ "%s-%d:%s needed for SSID %s",
959 1.1.1.10 christos field_name, ssid->id, txt,
960 1.1.1.10 christos wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
961 1.1.1.7 christos }
962 1.1.1.7 christos
963 1.1.1.7 christos
964 1.1 christos #ifdef IEEE8021X_EAPOL
965 1.1 christos #if defined(CONFIG_CTRL_IFACE) || !defined(CONFIG_NO_STDOUT_DEBUG)
966 1.1.1.3 christos static void wpa_supplicant_eap_param_needed(void *ctx,
967 1.1.1.3 christos enum wpa_ctrl_req_type field,
968 1.1.1.3 christos const char *default_txt)
969 1.1 christos {
970 1.1 christos struct wpa_supplicant *wpa_s = ctx;
971 1.1 christos struct wpa_ssid *ssid = wpa_s->current_ssid;
972 1.1.1.3 christos const char *field_name, *txt = NULL;
973 1.1 christos
974 1.1 christos if (ssid == NULL)
975 1.1 christos return;
976 1.1 christos
977 1.1.1.7 christos if (field == WPA_CTRL_REQ_EXT_CERT_CHECK)
978 1.1.1.7 christos ssid->eap.pending_ext_cert_check = PENDING_CHECK;
979 1.1.1.3 christos wpas_notify_network_request(wpa_s, ssid, field, default_txt);
980 1.1.1.3 christos
981 1.1.1.3 christos field_name = wpa_supplicant_ctrl_req_to_string(field, default_txt,
982 1.1.1.3 christos &txt);
983 1.1.1.3 christos if (field_name == NULL) {
984 1.1.1.3 christos wpa_printf(MSG_WARNING, "Unhandled EAP param %d needed",
985 1.1.1.3 christos field);
986 1.1.1.3 christos return;
987 1.1.1.3 christos }
988 1.1.1.3 christos
989 1.1.1.5 christos wpas_notify_eap_status(wpa_s, "eap parameter needed", field_name);
990 1.1.1.5 christos
991 1.1.1.7 christos wpas_send_ctrl_req(wpa_s, ssid, field_name, txt);
992 1.1 christos }
993 1.1 christos #else /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */
994 1.1 christos #define wpa_supplicant_eap_param_needed NULL
995 1.1 christos #endif /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */
996 1.1 christos
997 1.1 christos
998 1.1.1.6 christos #ifdef CONFIG_EAP_PROXY
999 1.1.1.8 christos
1000 1.1.1.6 christos static void wpa_supplicant_eap_proxy_cb(void *ctx)
1001 1.1.1.6 christos {
1002 1.1.1.6 christos struct wpa_supplicant *wpa_s = ctx;
1003 1.1.1.6 christos size_t len;
1004 1.1.1.6 christos
1005 1.1.1.8 christos wpa_s->mnc_len = eapol_sm_get_eap_proxy_imsi(wpa_s->eapol, -1,
1006 1.1.1.6 christos wpa_s->imsi, &len);
1007 1.1.1.6 christos if (wpa_s->mnc_len > 0) {
1008 1.1.1.6 christos wpa_s->imsi[len] = '\0';
1009 1.1.1.6 christos wpa_printf(MSG_DEBUG, "eap_proxy: IMSI %s (MNC length %d)",
1010 1.1.1.6 christos wpa_s->imsi, wpa_s->mnc_len);
1011 1.1.1.6 christos } else {
1012 1.1.1.6 christos wpa_printf(MSG_DEBUG, "eap_proxy: IMSI not available");
1013 1.1.1.6 christos }
1014 1.1.1.6 christos }
1015 1.1.1.8 christos
1016 1.1.1.8 christos
1017 1.1.1.8 christos static void wpa_sm_sim_state_error_handler(struct wpa_supplicant *wpa_s)
1018 1.1.1.8 christos {
1019 1.1.1.8 christos int i;
1020 1.1.1.8 christos struct wpa_ssid *ssid;
1021 1.1.1.8 christos const struct eap_method_type *eap_methods;
1022 1.1.1.8 christos
1023 1.1.1.8 christos if (!wpa_s->conf)
1024 1.1.1.8 christos return;
1025 1.1.1.8 christos
1026 1.1.1.8 christos for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
1027 1.1.1.8 christos eap_methods = ssid->eap.eap_methods;
1028 1.1.1.8 christos if (!eap_methods)
1029 1.1.1.8 christos continue;
1030 1.1.1.8 christos
1031 1.1.1.8 christos for (i = 0; eap_methods[i].method != EAP_TYPE_NONE; i++) {
1032 1.1.1.8 christos if (eap_methods[i].vendor == EAP_VENDOR_IETF &&
1033 1.1.1.8 christos (eap_methods[i].method == EAP_TYPE_SIM ||
1034 1.1.1.8 christos eap_methods[i].method == EAP_TYPE_AKA ||
1035 1.1.1.8 christos eap_methods[i].method == EAP_TYPE_AKA_PRIME)) {
1036 1.1.1.8 christos wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
1037 1.1.1.8 christos break;
1038 1.1.1.8 christos }
1039 1.1.1.8 christos }
1040 1.1.1.8 christos }
1041 1.1.1.8 christos }
1042 1.1.1.8 christos
1043 1.1.1.8 christos
1044 1.1.1.8 christos static void
1045 1.1.1.8 christos wpa_supplicant_eap_proxy_notify_sim_status(void *ctx,
1046 1.1.1.8 christos enum eap_proxy_sim_state sim_state)
1047 1.1.1.8 christos {
1048 1.1.1.8 christos struct wpa_supplicant *wpa_s = ctx;
1049 1.1.1.8 christos
1050 1.1.1.8 christos wpa_printf(MSG_DEBUG, "eap_proxy: SIM card status %u", sim_state);
1051 1.1.1.8 christos switch (sim_state) {
1052 1.1.1.8 christos case SIM_STATE_ERROR:
1053 1.1.1.8 christos wpa_sm_sim_state_error_handler(wpa_s);
1054 1.1.1.8 christos break;
1055 1.1.1.8 christos default:
1056 1.1.1.8 christos wpa_printf(MSG_DEBUG, "eap_proxy: SIM card status unknown");
1057 1.1.1.8 christos break;
1058 1.1.1.8 christos }
1059 1.1.1.8 christos }
1060 1.1.1.8 christos
1061 1.1.1.6 christos #endif /* CONFIG_EAP_PROXY */
1062 1.1.1.6 christos
1063 1.1.1.6 christos
1064 1.1 christos static void wpa_supplicant_port_cb(void *ctx, int authorized)
1065 1.1 christos {
1066 1.1 christos struct wpa_supplicant *wpa_s = ctx;
1067 1.1.1.2 christos #ifdef CONFIG_AP
1068 1.1.1.2 christos if (wpa_s->ap_iface) {
1069 1.1.1.2 christos wpa_printf(MSG_DEBUG, "AP mode active - skip EAPOL Supplicant "
1070 1.1.1.2 christos "port status: %s",
1071 1.1.1.2 christos authorized ? "Authorized" : "Unauthorized");
1072 1.1.1.2 christos return;
1073 1.1.1.2 christos }
1074 1.1.1.2 christos #endif /* CONFIG_AP */
1075 1.1 christos wpa_printf(MSG_DEBUG, "EAPOL: Supplicant port status: %s",
1076 1.1 christos authorized ? "Authorized" : "Unauthorized");
1077 1.1 christos wpa_drv_set_supp_port(wpa_s, authorized);
1078 1.1 christos }
1079 1.1.1.3 christos
1080 1.1.1.3 christos
1081 1.1.1.9 christos static void wpa_supplicant_cert_cb(void *ctx, struct tls_cert_data *cert,
1082 1.1.1.9 christos const char *cert_hash)
1083 1.1.1.3 christos {
1084 1.1.1.3 christos struct wpa_supplicant *wpa_s = ctx;
1085 1.1.1.3 christos
1086 1.1.1.9 christos wpas_notify_certification(wpa_s, cert, cert_hash);
1087 1.1.1.3 christos }
1088 1.1.1.4 christos
1089 1.1.1.4 christos
1090 1.1.1.4 christos static void wpa_supplicant_status_cb(void *ctx, const char *status,
1091 1.1.1.4 christos const char *parameter)
1092 1.1.1.4 christos {
1093 1.1.1.4 christos struct wpa_supplicant *wpa_s = ctx;
1094 1.1.1.4 christos
1095 1.1.1.4 christos wpas_notify_eap_status(wpa_s, status, parameter);
1096 1.1.1.4 christos }
1097 1.1.1.4 christos
1098 1.1.1.4 christos
1099 1.1.1.8 christos static void wpa_supplicant_eap_error_cb(void *ctx, int error_code)
1100 1.1.1.8 christos {
1101 1.1.1.8 christos struct wpa_supplicant *wpa_s = ctx;
1102 1.1.1.8 christos
1103 1.1.1.8 christos wpas_notify_eap_error(wpa_s, error_code);
1104 1.1.1.8 christos }
1105 1.1.1.8 christos
1106 1.1.1.8 christos
1107 1.1.1.10 christos static int wpa_supplicant_eap_auth_start_cb(void *ctx)
1108 1.1.1.10 christos {
1109 1.1.1.10 christos struct wpa_supplicant *wpa_s = ctx;
1110 1.1.1.10 christos
1111 1.1.1.10 christos if (!wpa_s->new_connection && wpa_s->deny_ptk0_rekey &&
1112 1.1.1.10 christos !wpa_sm_ext_key_id_active(wpa_s->wpa)) {
1113 1.1.1.10 christos wpa_msg(wpa_s, MSG_INFO,
1114 1.1.1.10 christos "WPA: PTK0 rekey not allowed, reconnecting");
1115 1.1.1.10 christos wpa_supplicant_reconnect(wpa_s);
1116 1.1.1.10 christos return -1;
1117 1.1.1.10 christos }
1118 1.1.1.10 christos return 0;
1119 1.1.1.10 christos }
1120 1.1.1.10 christos
1121 1.1.1.10 christos
1122 1.1.1.4 christos static void wpa_supplicant_set_anon_id(void *ctx, const u8 *id, size_t len)
1123 1.1.1.4 christos {
1124 1.1.1.4 christos struct wpa_supplicant *wpa_s = ctx;
1125 1.1.1.4 christos char *str;
1126 1.1.1.4 christos int res;
1127 1.1.1.4 christos
1128 1.1.1.4 christos wpa_hexdump_ascii(MSG_DEBUG, "EAP method updated anonymous_identity",
1129 1.1.1.4 christos id, len);
1130 1.1.1.4 christos
1131 1.1.1.4 christos if (wpa_s->current_ssid == NULL)
1132 1.1.1.4 christos return;
1133 1.1.1.4 christos
1134 1.1.1.4 christos if (id == NULL) {
1135 1.1.1.4 christos if (wpa_config_set(wpa_s->current_ssid, "anonymous_identity",
1136 1.1.1.4 christos "NULL", 0) < 0)
1137 1.1.1.4 christos return;
1138 1.1.1.4 christos } else {
1139 1.1.1.4 christos str = os_malloc(len * 2 + 1);
1140 1.1.1.4 christos if (str == NULL)
1141 1.1.1.4 christos return;
1142 1.1.1.4 christos wpa_snprintf_hex(str, len * 2 + 1, id, len);
1143 1.1.1.4 christos res = wpa_config_set(wpa_s->current_ssid, "anonymous_identity",
1144 1.1.1.4 christos str, 0);
1145 1.1.1.4 christos os_free(str);
1146 1.1.1.4 christos if (res < 0)
1147 1.1.1.4 christos return;
1148 1.1.1.4 christos }
1149 1.1.1.4 christos
1150 1.1.1.4 christos if (wpa_s->conf->update_config) {
1151 1.1.1.4 christos res = wpa_config_write(wpa_s->confname, wpa_s->conf);
1152 1.1.1.4 christos if (res) {
1153 1.1.1.4 christos wpa_printf(MSG_DEBUG, "Failed to update config after "
1154 1.1.1.4 christos "anonymous_id update");
1155 1.1.1.4 christos }
1156 1.1.1.4 christos }
1157 1.1.1.4 christos }
1158 1.1.1.10 christos
1159 1.1.1.10 christos
1160 1.1.1.10 christos static bool wpas_encryption_required(void *ctx)
1161 1.1.1.10 christos {
1162 1.1.1.10 christos struct wpa_supplicant *wpa_s = ctx;
1163 1.1.1.10 christos
1164 1.1.1.10 christos return wpa_s->wpa &&
1165 1.1.1.10 christos wpa_sm_has_ptk_installed(wpa_s->wpa) &&
1166 1.1.1.10 christos wpa_sm_pmf_enabled(wpa_s->wpa);
1167 1.1.1.10 christos }
1168 1.1.1.10 christos
1169 1.1 christos #endif /* IEEE8021X_EAPOL */
1170 1.1 christos
1171 1.1 christos
1172 1.1 christos int wpa_supplicant_init_eapol(struct wpa_supplicant *wpa_s)
1173 1.1 christos {
1174 1.1 christos #ifdef IEEE8021X_EAPOL
1175 1.1 christos struct eapol_ctx *ctx;
1176 1.1 christos ctx = os_zalloc(sizeof(*ctx));
1177 1.1 christos if (ctx == NULL) {
1178 1.1 christos wpa_printf(MSG_ERROR, "Failed to allocate EAPOL context.");
1179 1.1 christos return -1;
1180 1.1 christos }
1181 1.1 christos
1182 1.1 christos ctx->ctx = wpa_s;
1183 1.1 christos ctx->msg_ctx = wpa_s;
1184 1.1 christos ctx->eapol_send_ctx = wpa_s;
1185 1.1 christos ctx->preauth = 0;
1186 1.1 christos ctx->eapol_done_cb = wpa_supplicant_notify_eapol_done;
1187 1.1 christos ctx->eapol_send = wpa_supplicant_eapol_send;
1188 1.1.1.10 christos #ifdef CONFIG_WEP
1189 1.1 christos ctx->set_wep_key = wpa_eapol_set_wep_key;
1190 1.1.1.10 christos #endif /* CONFIG_WEP */
1191 1.1.1.5 christos #ifndef CONFIG_NO_CONFIG_BLOBS
1192 1.1 christos ctx->set_config_blob = wpa_supplicant_set_config_blob;
1193 1.1 christos ctx->get_config_blob = wpa_supplicant_get_config_blob;
1194 1.1.1.5 christos #endif /* CONFIG_NO_CONFIG_BLOBS */
1195 1.1 christos ctx->aborted_cached = wpa_supplicant_aborted_cached;
1196 1.1.1.10 christos #ifndef CONFIG_OPENSC_ENGINE_PATH
1197 1.1 christos ctx->opensc_engine_path = wpa_s->conf->opensc_engine_path;
1198 1.1.1.10 christos #endif /* CONFIG_OPENSC_ENGINE_PATH */
1199 1.1.1.10 christos #ifndef CONFIG_PKCS11_ENGINE_PATH
1200 1.1 christos ctx->pkcs11_engine_path = wpa_s->conf->pkcs11_engine_path;
1201 1.1.1.10 christos #endif /* CONFIG_PKCS11_ENGINE_PATH */
1202 1.1.1.10 christos #ifndef CONFIG_PKCS11_MODULE_PATH
1203 1.1 christos ctx->pkcs11_module_path = wpa_s->conf->pkcs11_module_path;
1204 1.1.1.10 christos #endif /* CONFIG_PKCS11_MODULE_PATH */
1205 1.1.1.6 christos ctx->openssl_ciphers = wpa_s->conf->openssl_ciphers;
1206 1.1 christos ctx->wps = wpa_s->wps;
1207 1.1 christos ctx->eap_param_needed = wpa_supplicant_eap_param_needed;
1208 1.1.1.6 christos #ifdef CONFIG_EAP_PROXY
1209 1.1.1.6 christos ctx->eap_proxy_cb = wpa_supplicant_eap_proxy_cb;
1210 1.1.1.8 christos ctx->eap_proxy_notify_sim_status =
1211 1.1.1.8 christos wpa_supplicant_eap_proxy_notify_sim_status;
1212 1.1.1.6 christos #endif /* CONFIG_EAP_PROXY */
1213 1.1 christos ctx->port_cb = wpa_supplicant_port_cb;
1214 1.1 christos ctx->cb = wpa_supplicant_eapol_cb;
1215 1.1.1.3 christos ctx->cert_cb = wpa_supplicant_cert_cb;
1216 1.1.1.6 christos ctx->cert_in_cb = wpa_s->conf->cert_in_cb;
1217 1.1.1.4 christos ctx->status_cb = wpa_supplicant_status_cb;
1218 1.1.1.8 christos ctx->eap_error_cb = wpa_supplicant_eap_error_cb;
1219 1.1.1.10 christos ctx->confirm_auth_cb = wpa_supplicant_eap_auth_start_cb;
1220 1.1.1.4 christos ctx->set_anon_id = wpa_supplicant_set_anon_id;
1221 1.1.1.10 christos ctx->encryption_required = wpas_encryption_required;
1222 1.1 christos ctx->cb_ctx = wpa_s;
1223 1.1 christos wpa_s->eapol = eapol_sm_init(ctx);
1224 1.1 christos if (wpa_s->eapol == NULL) {
1225 1.1 christos os_free(ctx);
1226 1.1 christos wpa_printf(MSG_ERROR, "Failed to initialize EAPOL state "
1227 1.1 christos "machines.");
1228 1.1 christos return -1;
1229 1.1 christos }
1230 1.1 christos #endif /* IEEE8021X_EAPOL */
1231 1.1 christos
1232 1.1 christos return 0;
1233 1.1 christos }
1234 1.1 christos
1235 1.1 christos
1236 1.1.1.4 christos #ifndef CONFIG_NO_WPA
1237 1.1.1.8 christos
1238 1.1.1.6 christos static void wpa_supplicant_set_rekey_offload(void *ctx,
1239 1.1.1.6 christos const u8 *kek, size_t kek_len,
1240 1.1.1.6 christos const u8 *kck, size_t kck_len,
1241 1.1.1.3 christos const u8 *replay_ctr)
1242 1.1.1.3 christos {
1243 1.1.1.3 christos struct wpa_supplicant *wpa_s = ctx;
1244 1.1.1.3 christos
1245 1.1.1.6 christos wpa_drv_set_rekey_info(wpa_s, kek, kek_len, kck, kck_len, replay_ctr);
1246 1.1.1.3 christos }
1247 1.1.1.3 christos
1248 1.1.1.3 christos
1249 1.1.1.6 christos static int wpa_supplicant_key_mgmt_set_pmk(void *ctx, const u8 *pmk,
1250 1.1.1.6 christos size_t pmk_len)
1251 1.1.1.6 christos {
1252 1.1.1.6 christos struct wpa_supplicant *wpa_s = ctx;
1253 1.1.1.6 christos
1254 1.1.1.7 christos if (wpa_s->conf->key_mgmt_offload &&
1255 1.1.1.7 christos (wpa_s->drv_flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD))
1256 1.1.1.10 christos return wpa_drv_set_key(wpa_s, -1, 0, NULL, 0, 0,
1257 1.1.1.10 christos NULL, 0, pmk, pmk_len, KEY_FLAG_PMK);
1258 1.1.1.6 christos else
1259 1.1.1.6 christos return 0;
1260 1.1.1.6 christos }
1261 1.1.1.8 christos
1262 1.1.1.8 christos
1263 1.1.1.8 christos static void wpa_supplicant_fils_hlp_rx(void *ctx, const u8 *dst, const u8 *src,
1264 1.1.1.8 christos const u8 *pkt, size_t pkt_len)
1265 1.1.1.8 christos {
1266 1.1.1.8 christos struct wpa_supplicant *wpa_s = ctx;
1267 1.1.1.8 christos char *hex;
1268 1.1.1.8 christos size_t hexlen;
1269 1.1.1.8 christos
1270 1.1.1.8 christos hexlen = pkt_len * 2 + 1;
1271 1.1.1.8 christos hex = os_malloc(hexlen);
1272 1.1.1.8 christos if (!hex)
1273 1.1.1.8 christos return;
1274 1.1.1.8 christos wpa_snprintf_hex(hex, hexlen, pkt, pkt_len);
1275 1.1.1.8 christos wpa_msg(wpa_s, MSG_INFO, FILS_HLP_RX "dst=" MACSTR " src=" MACSTR
1276 1.1.1.8 christos " frame=%s", MAC2STR(dst), MAC2STR(src), hex);
1277 1.1.1.8 christos os_free(hex);
1278 1.1.1.8 christos }
1279 1.1.1.8 christos
1280 1.1.1.9 christos
1281 1.1.1.9 christos static int wpa_supplicant_channel_info(void *_wpa_s,
1282 1.1.1.9 christos struct wpa_channel_info *ci)
1283 1.1.1.9 christos {
1284 1.1.1.9 christos struct wpa_supplicant *wpa_s = _wpa_s;
1285 1.1.1.9 christos
1286 1.1.1.9 christos return wpa_drv_channel_info(wpa_s, ci);
1287 1.1.1.9 christos }
1288 1.1.1.9 christos
1289 1.1.1.10 christos
1290 1.1.1.10 christos static void disable_wpa_wpa2(struct wpa_ssid *ssid)
1291 1.1.1.10 christos {
1292 1.1.1.10 christos ssid->proto &= ~WPA_PROTO_WPA;
1293 1.1.1.10 christos ssid->proto |= WPA_PROTO_RSN;
1294 1.1.1.10 christos ssid->key_mgmt &= ~(WPA_KEY_MGMT_PSK | WPA_KEY_MGMT_FT_PSK |
1295 1.1.1.10 christos WPA_KEY_MGMT_PSK_SHA256);
1296 1.1.1.10 christos ssid->group_cipher &= ~WPA_CIPHER_TKIP;
1297 1.1.1.10 christos if (!(ssid->group_cipher & (WPA_CIPHER_CCMP | WPA_CIPHER_GCMP |
1298 1.1.1.10 christos WPA_CIPHER_GCMP_256 | WPA_CIPHER_CCMP_256)))
1299 1.1.1.10 christos ssid->group_cipher |= WPA_CIPHER_CCMP;
1300 1.1.1.10 christos ssid->ieee80211w = MGMT_FRAME_PROTECTION_REQUIRED;
1301 1.1.1.10 christos }
1302 1.1.1.10 christos
1303 1.1.1.10 christos
1304 1.1.1.10 christos void wpas_transition_disable(struct wpa_supplicant *wpa_s, u8 bitmap)
1305 1.1.1.10 christos {
1306 1.1.1.10 christos struct wpa_ssid *ssid;
1307 1.1.1.10 christos int changed = 0;
1308 1.1.1.10 christos
1309 1.1.1.10 christos wpa_msg(wpa_s, MSG_INFO, TRANSITION_DISABLE "%02x", bitmap);
1310 1.1.1.10 christos
1311 1.1.1.10 christos ssid = wpa_s->current_ssid;
1312 1.1.1.10 christos if (!ssid)
1313 1.1.1.10 christos return;
1314 1.1.1.10 christos
1315 1.1.1.10 christos #ifdef CONFIG_SAE
1316 1.1.1.10 christos if ((bitmap & TRANSITION_DISABLE_WPA3_PERSONAL) &&
1317 1.1.1.10 christos wpa_key_mgmt_sae(wpa_s->key_mgmt) &&
1318 1.1.1.10 christos wpa_key_mgmt_sae(ssid->key_mgmt) &&
1319 1.1.1.10 christos (ssid->ieee80211w != MGMT_FRAME_PROTECTION_REQUIRED ||
1320 1.1.1.10 christos (ssid->group_cipher & WPA_CIPHER_TKIP))) {
1321 1.1.1.10 christos wpa_printf(MSG_DEBUG,
1322 1.1.1.10 christos "WPA3-Personal transition mode disabled based on AP notification");
1323 1.1.1.10 christos disable_wpa_wpa2(ssid);
1324 1.1.1.10 christos changed = 1;
1325 1.1.1.10 christos }
1326 1.1.1.10 christos
1327 1.1.1.10 christos if ((bitmap & TRANSITION_DISABLE_SAE_PK) &&
1328 1.1.1.10 christos wpa_key_mgmt_sae(wpa_s->key_mgmt) &&
1329 1.1.1.10 christos #ifdef CONFIG_SME
1330 1.1.1.10 christos wpa_s->sme.sae.state == SAE_ACCEPTED &&
1331 1.1.1.10 christos wpa_s->sme.sae.pk &&
1332 1.1.1.10 christos #endif /* CONFIG_SME */
1333 1.1.1.10 christos wpa_key_mgmt_sae(ssid->key_mgmt) &&
1334 1.1.1.10 christos (ssid->sae_pk != SAE_PK_MODE_ONLY ||
1335 1.1.1.10 christos ssid->ieee80211w != MGMT_FRAME_PROTECTION_REQUIRED ||
1336 1.1.1.10 christos (ssid->group_cipher & WPA_CIPHER_TKIP))) {
1337 1.1.1.10 christos wpa_printf(MSG_DEBUG,
1338 1.1.1.10 christos "SAE-PK: SAE authentication without PK disabled based on AP notification");
1339 1.1.1.10 christos disable_wpa_wpa2(ssid);
1340 1.1.1.10 christos ssid->sae_pk = SAE_PK_MODE_ONLY;
1341 1.1.1.10 christos changed = 1;
1342 1.1.1.10 christos }
1343 1.1.1.10 christos #endif /* CONFIG_SAE */
1344 1.1.1.10 christos
1345 1.1.1.10 christos if ((bitmap & TRANSITION_DISABLE_WPA3_ENTERPRISE) &&
1346 1.1.1.10 christos wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) &&
1347 1.1.1.10 christos (ssid->key_mgmt & (WPA_KEY_MGMT_IEEE8021X |
1348 1.1.1.10 christos WPA_KEY_MGMT_FT_IEEE8021X |
1349 1.1.1.10 christos WPA_KEY_MGMT_IEEE8021X_SHA256 |
1350 1.1.1.10 christos WPA_KEY_MGMT_IEEE8021X_SHA384)) &&
1351 1.1.1.10 christos (ssid->ieee80211w != MGMT_FRAME_PROTECTION_REQUIRED ||
1352 1.1.1.10 christos (ssid->group_cipher & WPA_CIPHER_TKIP))) {
1353 1.1.1.10 christos disable_wpa_wpa2(ssid);
1354 1.1.1.10 christos changed = 1;
1355 1.1.1.10 christos }
1356 1.1.1.10 christos
1357 1.1.1.10 christos if ((bitmap & TRANSITION_DISABLE_ENHANCED_OPEN) &&
1358 1.1.1.10 christos wpa_s->key_mgmt == WPA_KEY_MGMT_OWE &&
1359 1.1.1.10 christos (ssid->key_mgmt & WPA_KEY_MGMT_OWE) &&
1360 1.1.1.10 christos !ssid->owe_only) {
1361 1.1.1.10 christos ssid->owe_only = 1;
1362 1.1.1.10 christos changed = 1;
1363 1.1.1.10 christos }
1364 1.1.1.10 christos
1365 1.1.1.10 christos if (!changed)
1366 1.1.1.10 christos return;
1367 1.1.1.10 christos
1368 1.1.1.10 christos #ifndef CONFIG_NO_CONFIG_WRITE
1369 1.1.1.10 christos if (wpa_s->conf->update_config &&
1370 1.1.1.10 christos wpa_config_write(wpa_s->confname, wpa_s->conf))
1371 1.1.1.10 christos wpa_printf(MSG_DEBUG, "Failed to update configuration");
1372 1.1.1.10 christos #endif /* CONFIG_NO_CONFIG_WRITE */
1373 1.1.1.10 christos }
1374 1.1.1.10 christos
1375 1.1.1.10 christos
1376 1.1.1.10 christos static void wpa_supplicant_transition_disable(void *_wpa_s, u8 bitmap)
1377 1.1.1.10 christos {
1378 1.1.1.10 christos struct wpa_supplicant *wpa_s = _wpa_s;
1379 1.1.1.10 christos wpas_transition_disable(wpa_s, bitmap);
1380 1.1.1.10 christos }
1381 1.1.1.10 christos
1382 1.1.1.10 christos
1383 1.1.1.10 christos static void wpa_supplicant_store_ptk(void *ctx, const u8 *addr, int cipher,
1384 1.1.1.10 christos u32 life_time, const struct wpa_ptk *ptk)
1385 1.1.1.10 christos {
1386 1.1.1.10 christos struct wpa_supplicant *wpa_s = ctx;
1387 1.1.1.10 christos
1388 1.1.1.10 christos ptksa_cache_add(wpa_s->ptksa, wpa_s->own_addr, addr, cipher, life_time,
1389 1.1.1.10 christos ptk, NULL, NULL, 0);
1390 1.1.1.10 christos }
1391 1.1.1.10 christos
1392 1.1.1.7 christos #endif /* CONFIG_NO_WPA */
1393 1.1.1.6 christos
1394 1.1.1.6 christos
1395 1.1.1.10 christos #ifdef CONFIG_PASN
1396 1.1.1.10 christos static int wpa_supplicant_set_ltf_keyseed(void *_wpa_s, const u8 *own_addr,
1397 1.1.1.10 christos const u8 *peer_addr,
1398 1.1.1.10 christos size_t ltf_keyseed_len,
1399 1.1.1.10 christos const u8 *ltf_keyseed)
1400 1.1.1.10 christos {
1401 1.1.1.10 christos struct wpa_supplicant *wpa_s = _wpa_s;
1402 1.1.1.10 christos
1403 1.1.1.10 christos return wpa_drv_set_secure_ranging_ctx(wpa_s, own_addr, peer_addr, 0, 0,
1404 1.1.1.10 christos NULL, ltf_keyseed_len,
1405 1.1.1.10 christos ltf_keyseed, 0);
1406 1.1.1.10 christos }
1407 1.1.1.10 christos #endif /* CONFIG_PASN */
1408 1.1.1.10 christos
1409 1.1.1.10 christos
1410 1.1.1.10 christos static void
1411 1.1.1.10 christos wpa_supplicant_notify_pmksa_cache_entry(void *_wpa_s,
1412 1.1.1.10 christos struct rsn_pmksa_cache_entry *entry)
1413 1.1.1.10 christos {
1414 1.1.1.10 christos struct wpa_supplicant *wpa_s = _wpa_s;
1415 1.1.1.10 christos
1416 1.1.1.10 christos wpas_notify_pmk_cache_added(wpa_s, entry);
1417 1.1.1.10 christos }
1418 1.1.1.10 christos
1419 1.1.1.10 christos
1420 1.1.1.10 christos static void wpa_supplicant_ssid_verified(void *_wpa_s)
1421 1.1.1.10 christos {
1422 1.1.1.10 christos struct wpa_supplicant *wpa_s = _wpa_s;
1423 1.1.1.10 christos
1424 1.1.1.10 christos wpa_s->ssid_verified = true;
1425 1.1.1.10 christos wpa_msg(wpa_s, MSG_INFO, "RSN: SSID matched expected value");
1426 1.1.1.10 christos }
1427 1.1.1.10 christos
1428 1.1.1.10 christos
1429 1.1 christos int wpa_supplicant_init_wpa(struct wpa_supplicant *wpa_s)
1430 1.1 christos {
1431 1.1 christos #ifndef CONFIG_NO_WPA
1432 1.1 christos struct wpa_sm_ctx *ctx;
1433 1.1.1.10 christos
1434 1.1.1.10 christos wpa_s->ptksa = ptksa_cache_init();
1435 1.1.1.10 christos if (!wpa_s->ptksa) {
1436 1.1.1.10 christos wpa_printf(MSG_ERROR, "Failed to allocate PTKSA");
1437 1.1.1.10 christos return -1;
1438 1.1.1.10 christos }
1439 1.1.1.10 christos
1440 1.1 christos ctx = os_zalloc(sizeof(*ctx));
1441 1.1 christos if (ctx == NULL) {
1442 1.1 christos wpa_printf(MSG_ERROR, "Failed to allocate WPA context.");
1443 1.1.1.10 christos
1444 1.1.1.10 christos ptksa_cache_deinit(wpa_s->ptksa);
1445 1.1.1.10 christos wpa_s->ptksa = NULL;
1446 1.1.1.10 christos
1447 1.1 christos return -1;
1448 1.1 christos }
1449 1.1 christos
1450 1.1 christos ctx->ctx = wpa_s;
1451 1.1 christos ctx->msg_ctx = wpa_s;
1452 1.1 christos ctx->set_state = _wpa_supplicant_set_state;
1453 1.1 christos ctx->get_state = _wpa_supplicant_get_state;
1454 1.1 christos ctx->deauthenticate = _wpa_supplicant_deauthenticate;
1455 1.1.1.10 christos ctx->reconnect = _wpa_supplicant_reconnect;
1456 1.1 christos ctx->set_key = wpa_supplicant_set_key;
1457 1.1 christos ctx->get_network_ctx = wpa_supplicant_get_network_ctx;
1458 1.1 christos ctx->get_bssid = wpa_supplicant_get_bssid;
1459 1.1 christos ctx->ether_send = _wpa_ether_send;
1460 1.1 christos ctx->get_beacon_ie = wpa_supplicant_get_beacon_ie;
1461 1.1 christos ctx->alloc_eapol = _wpa_alloc_eapol;
1462 1.1 christos ctx->cancel_auth_timeout = _wpa_supplicant_cancel_auth_timeout;
1463 1.1 christos ctx->add_pmkid = wpa_supplicant_add_pmkid;
1464 1.1 christos ctx->remove_pmkid = wpa_supplicant_remove_pmkid;
1465 1.1 christos #ifndef CONFIG_NO_CONFIG_BLOBS
1466 1.1 christos ctx->set_config_blob = wpa_supplicant_set_config_blob;
1467 1.1 christos ctx->get_config_blob = wpa_supplicant_get_config_blob;
1468 1.1 christos #endif /* CONFIG_NO_CONFIG_BLOBS */
1469 1.1 christos ctx->mlme_setprotection = wpa_supplicant_mlme_setprotection;
1470 1.1 christos #ifdef CONFIG_IEEE80211R
1471 1.1 christos ctx->update_ft_ies = wpa_supplicant_update_ft_ies;
1472 1.1 christos ctx->send_ft_action = wpa_supplicant_send_ft_action;
1473 1.1 christos ctx->mark_authenticated = wpa_supplicant_mark_authenticated;
1474 1.1 christos #endif /* CONFIG_IEEE80211R */
1475 1.1.1.3 christos #ifdef CONFIG_TDLS
1476 1.1.1.3 christos ctx->tdls_get_capa = wpa_supplicant_tdls_get_capa;
1477 1.1.1.3 christos ctx->send_tdls_mgmt = wpa_supplicant_send_tdls_mgmt;
1478 1.1.1.3 christos ctx->tdls_oper = wpa_supplicant_tdls_oper;
1479 1.1.1.3 christos ctx->tdls_peer_addset = wpa_supplicant_tdls_peer_addset;
1480 1.1.1.6 christos ctx->tdls_enable_channel_switch =
1481 1.1.1.6 christos wpa_supplicant_tdls_enable_channel_switch;
1482 1.1.1.6 christos ctx->tdls_disable_channel_switch =
1483 1.1.1.6 christos wpa_supplicant_tdls_disable_channel_switch;
1484 1.1.1.3 christos #endif /* CONFIG_TDLS */
1485 1.1.1.3 christos ctx->set_rekey_offload = wpa_supplicant_set_rekey_offload;
1486 1.1.1.6 christos ctx->key_mgmt_set_pmk = wpa_supplicant_key_mgmt_set_pmk;
1487 1.1.1.8 christos ctx->fils_hlp_rx = wpa_supplicant_fils_hlp_rx;
1488 1.1.1.9 christos ctx->channel_info = wpa_supplicant_channel_info;
1489 1.1.1.10 christos ctx->transition_disable = wpa_supplicant_transition_disable;
1490 1.1.1.10 christos ctx->store_ptk = wpa_supplicant_store_ptk;
1491 1.1.1.10 christos #ifdef CONFIG_PASN
1492 1.1.1.10 christos ctx->set_ltf_keyseed = wpa_supplicant_set_ltf_keyseed;
1493 1.1.1.10 christos #endif /* CONFIG_PASN */
1494 1.1.1.10 christos ctx->notify_pmksa_cache_entry = wpa_supplicant_notify_pmksa_cache_entry;
1495 1.1.1.10 christos ctx->ssid_verified = wpa_supplicant_ssid_verified;
1496 1.1 christos
1497 1.1 christos wpa_s->wpa = wpa_sm_init(ctx);
1498 1.1 christos if (wpa_s->wpa == NULL) {
1499 1.1.1.10 christos wpa_printf(MSG_ERROR,
1500 1.1.1.10 christos "Failed to initialize WPA state machine");
1501 1.1.1.6 christos os_free(ctx);
1502 1.1.1.10 christos ptksa_cache_deinit(wpa_s->ptksa);
1503 1.1.1.10 christos wpa_s->ptksa = NULL;
1504 1.1 christos return -1;
1505 1.1 christos }
1506 1.1 christos #endif /* CONFIG_NO_WPA */
1507 1.1 christos
1508 1.1 christos return 0;
1509 1.1 christos }
1510 1.1 christos
1511 1.1 christos
1512 1.1 christos void wpa_supplicant_rsn_supp_set_config(struct wpa_supplicant *wpa_s,
1513 1.1 christos struct wpa_ssid *ssid)
1514 1.1 christos {
1515 1.1 christos struct rsn_supp_config conf;
1516 1.1 christos if (ssid) {
1517 1.1 christos os_memset(&conf, 0, sizeof(conf));
1518 1.1 christos conf.network_ctx = ssid;
1519 1.1 christos conf.allowed_pairwise_cipher = ssid->pairwise_cipher;
1520 1.1 christos #ifdef IEEE8021X_EAPOL
1521 1.1.1.4 christos conf.proactive_key_caching = ssid->proactive_key_caching < 0 ?
1522 1.1.1.4 christos wpa_s->conf->okc : ssid->proactive_key_caching;
1523 1.1 christos conf.eap_workaround = ssid->eap_workaround;
1524 1.1 christos conf.eap_conf_ctx = &ssid->eap;
1525 1.1 christos #endif /* IEEE8021X_EAPOL */
1526 1.1 christos conf.ssid = ssid->ssid;
1527 1.1 christos conf.ssid_len = ssid->ssid_len;
1528 1.1 christos conf.wpa_ptk_rekey = ssid->wpa_ptk_rekey;
1529 1.1.1.10 christos conf.wpa_deny_ptk0_rekey = ssid->wpa_deny_ptk0_rekey;
1530 1.1.1.10 christos conf.owe_ptk_workaround = ssid->owe_ptk_workaround;
1531 1.1.1.5 christos #ifdef CONFIG_P2P
1532 1.1.1.5 christos if (ssid->p2p_group && wpa_s->current_bss &&
1533 1.1.1.5 christos !wpa_s->p2p_disable_ip_addr_req) {
1534 1.1.1.5 christos struct wpabuf *p2p;
1535 1.1.1.5 christos p2p = wpa_bss_get_vendor_ie_multi(wpa_s->current_bss,
1536 1.1.1.5 christos P2P_IE_VENDOR_TYPE);
1537 1.1.1.5 christos if (p2p) {
1538 1.1.1.5 christos u8 group_capab;
1539 1.1.1.5 christos group_capab = p2p_get_group_capab(p2p);
1540 1.1.1.5 christos if (group_capab &
1541 1.1.1.5 christos P2P_GROUP_CAPAB_IP_ADDR_ALLOCATION)
1542 1.1.1.5 christos conf.p2p = 1;
1543 1.1.1.5 christos wpabuf_free(p2p);
1544 1.1.1.5 christos }
1545 1.1.1.5 christos }
1546 1.1.1.5 christos #endif /* CONFIG_P2P */
1547 1.1.1.7 christos conf.wpa_rsc_relaxation = wpa_s->conf->wpa_rsc_relaxation;
1548 1.1.1.8 christos #ifdef CONFIG_FILS
1549 1.1.1.8 christos if (wpa_key_mgmt_fils(wpa_s->key_mgmt))
1550 1.1.1.8 christos conf.fils_cache_id =
1551 1.1.1.8 christos wpa_bss_get_fils_cache_id(wpa_s->current_bss);
1552 1.1.1.8 christos #endif /* CONFIG_FILS */
1553 1.1.1.10 christos if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_BEACON_PROTECTION) ||
1554 1.1.1.10 christos (wpa_s->drv_flags2 &
1555 1.1.1.10 christos WPA_DRIVER_FLAGS2_BEACON_PROTECTION_CLIENT))
1556 1.1.1.10 christos conf.beacon_prot = ssid->beacon_prot;
1557 1.1.1.10 christos
1558 1.1.1.10 christos #ifdef CONFIG_PASN
1559 1.1.1.10 christos #ifdef CONFIG_TESTING_OPTIONS
1560 1.1.1.10 christos conf.force_kdk_derivation = wpa_s->conf->force_kdk_derivation;
1561 1.1.1.10 christos #endif /* CONFIG_TESTING_OPTIONS */
1562 1.1.1.10 christos #endif /* CONFIG_PASN */
1563 1.1 christos }
1564 1.1 christos wpa_sm_set_config(wpa_s->wpa, ssid ? &conf : NULL);
1565 1.1 christos }
1566