1 /*
2 * WPA Supplicant - driver interaction with BSD net80211 layer
3 * Copyright (c) 2004, Sam Leffler <sam@errno.com>
4 * Copyright (c) 2004, 2Wire, Inc
5 *
6 * This software may be distributed under the terms of the BSD license.
7 * See README for more details.
8 */
9
10 #include "includes.h"
11 #include <sys/ioctl.h>
12 #include <sys/sysctl.h>
13
14 #include "common.h"
15 #include "driver.h"
16 #include "eloop.h"
17 #include "common/ieee802_11_defs.h"
18 #include "common/wpa_common.h"
19
20 #include <net/if.h>
21 #include <net/if_media.h>
22
23 #ifdef __NetBSD__
24 #include <net/if_ether.h>
25 #else
26 #include <net/ethernet.h>
27 #endif
28 #include <net/route.h>
29
30 #ifdef __DragonFly__
31 #include <netproto/802_11/ieee80211_ioctl.h>
32 #include <netproto/802_11/ieee80211_dragonfly.h>
33 #else /* __DragonFly__ */
34 #ifdef __GLIBC__
35 #include <netinet/ether.h>
36 #endif /* __GLIBC__ */
37 #include <net80211/ieee80211.h>
38 #include <net80211/ieee80211_ioctl.h>
39 #include <net80211/ieee80211_crypto.h>
40 #endif /* __DragonFly__ || __GLIBC__ */
41 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
42 #include <net80211/ieee80211_freebsd.h>
43 #endif
44 #if __NetBSD__
45 #include <net80211/ieee80211_netbsd.h>
46 #endif
47
48 #include "l2_packet/l2_packet.h"
49
50 struct bsd_driver_global {
51 void *ctx;
52 int sock; /* socket for 802.11 ioctls */
53 int route; /* routing socket for events */
54 char *event_buf;
55 size_t event_buf_len;
56 struct dl_list ifaces; /* list of interfaces */
57 };
58
59 struct bsd_driver_data {
60 struct dl_list list;
61 struct bsd_driver_global *global;
62 struct hostapd_data *hapd; /* back pointer */
63
64 struct l2_packet_data *sock_xmit;/* raw packet xmit socket */
65 char ifname[IFNAMSIZ+1]; /* interface name */
66 int flags;
67 unsigned int ifindex; /* interface index */
68 int if_removed; /* has the interface been removed? */
69 void *ctx;
70 struct wpa_driver_capa capa; /* driver capability */
71 int is_ap; /* Access point mode */
72 int prev_roaming; /* roaming state to restore on deinit */
73 int prev_privacy; /* privacy state to restore on deinit */
74 int prev_wpa; /* wpa state to restore on deinit */
75 enum ieee80211_opmode opmode; /* operation mode */
76 };
77
78 /* Generic functions for hostapd and wpa_supplicant */
79
80 static struct bsd_driver_data *
bsd_get_drvindex(void * priv,unsigned int ifindex)81 bsd_get_drvindex(void *priv, unsigned int ifindex)
82 {
83 struct bsd_driver_global *global = priv;
84 struct bsd_driver_data *drv;
85
86 dl_list_for_each(drv, &global->ifaces, struct bsd_driver_data, list) {
87 if (drv->ifindex == ifindex)
88 return drv;
89 }
90 return NULL;
91 }
92
93 #ifndef HOSTAPD
94 static struct bsd_driver_data *
bsd_get_drvname(void * priv,const char * ifname)95 bsd_get_drvname(void *priv, const char *ifname)
96 {
97 struct bsd_driver_global *global = priv;
98 struct bsd_driver_data *drv;
99
100 dl_list_for_each(drv, &global->ifaces, struct bsd_driver_data, list) {
101 if (os_strcmp(drv->ifname, ifname) == 0)
102 return drv;
103 }
104 return NULL;
105 }
106 #endif /* HOSTAPD */
107
108 static int
bsd_set80211(void * priv,int op,int val,const void * arg,int arg_len)109 bsd_set80211(void *priv, int op, int val, const void *arg, int arg_len)
110 {
111 struct bsd_driver_data *drv = priv;
112 struct ieee80211req ireq;
113
114 if (drv->ifindex == 0 || drv->if_removed)
115 return -1;
116
117 os_memset(&ireq, 0, sizeof(ireq));
118 os_strlcpy(ireq.i_name, drv->ifname, sizeof(ireq.i_name));
119 ireq.i_type = op;
120 ireq.i_val = val;
121 ireq.i_data = (void *) arg;
122 ireq.i_len = arg_len;
123
124 if (ioctl(drv->global->sock, SIOCS80211, &ireq) < 0) {
125 wpa_printf(MSG_ERROR, "ioctl[SIOCS80211, op=%u, val=%u, "
126 "arg_len=%u]: %s", op, val, arg_len,
127 strerror(errno));
128 return -1;
129 }
130 return 0;
131 }
132
133 static int
bsd_get80211(void * priv,struct ieee80211req * ireq,int op,void * arg,int arg_len)134 bsd_get80211(void *priv, struct ieee80211req *ireq, int op, void *arg,
135 int arg_len)
136 {
137 struct bsd_driver_data *drv = priv;
138
139 os_memset(ireq, 0, sizeof(*ireq));
140 os_strlcpy(ireq->i_name, drv->ifname, sizeof(ireq->i_name));
141 ireq->i_type = op;
142 ireq->i_len = arg_len;
143 ireq->i_data = arg;
144
145 if (ioctl(drv->global->sock, SIOCG80211, ireq) < 0) {
146 wpa_printf(MSG_ERROR, "ioctl[SIOCG80211, op=%u, "
147 "arg_len=%u]: %s", op, arg_len, strerror(errno));
148 return -1;
149 }
150 return 0;
151 }
152
153 static int
get80211var(struct bsd_driver_data * drv,int op,void * arg,int arg_len)154 get80211var(struct bsd_driver_data *drv, int op, void *arg, int arg_len)
155 {
156 struct ieee80211req ireq;
157
158 if (bsd_get80211(drv, &ireq, op, arg, arg_len) < 0)
159 return -1;
160 return ireq.i_len;
161 }
162
163 static int
set80211var(struct bsd_driver_data * drv,int op,const void * arg,int arg_len)164 set80211var(struct bsd_driver_data *drv, int op, const void *arg, int arg_len)
165 {
166 return bsd_set80211(drv, op, 0, arg, arg_len);
167 }
168
169 static int
set80211param(struct bsd_driver_data * drv,int op,int arg)170 set80211param(struct bsd_driver_data *drv, int op, int arg)
171 {
172 return bsd_set80211(drv, op, arg, NULL, 0);
173 }
174
175 static int
bsd_get_ssid(void * priv,u8 * ssid,int len)176 bsd_get_ssid(void *priv, u8 *ssid, int len)
177 {
178 struct bsd_driver_data *drv = priv;
179 #ifdef SIOCG80211NWID
180 struct ieee80211_nwid nwid;
181 struct ifreq ifr;
182
183 os_memset(&ifr, 0, sizeof(ifr));
184 os_strlcpy(ifr.ifr_name, drv->ifname, sizeof(ifr.ifr_name));
185 ifr.ifr_data = (void *)&nwid;
186 if (ioctl(drv->global->sock, SIOCG80211NWID, &ifr) < 0 ||
187 nwid.i_len > IEEE80211_NWID_LEN)
188 return -1;
189 os_memcpy(ssid, nwid.i_nwid, nwid.i_len);
190 return nwid.i_len;
191 #else
192 return get80211var(drv, IEEE80211_IOC_SSID, ssid, IEEE80211_NWID_LEN);
193 #endif
194 }
195
196 static int
bsd_set_ssid(void * priv,const u8 * ssid,int ssid_len)197 bsd_set_ssid(void *priv, const u8 *ssid, int ssid_len)
198 {
199 struct bsd_driver_data *drv = priv;
200 #ifdef SIOCS80211NWID
201 struct ieee80211_nwid nwid;
202 struct ifreq ifr;
203
204 os_memcpy(nwid.i_nwid, ssid, ssid_len);
205 nwid.i_len = ssid_len;
206 os_memset(&ifr, 0, sizeof(ifr));
207 os_strlcpy(ifr.ifr_name, drv->ifname, sizeof(ifr.ifr_name));
208 ifr.ifr_data = (void *)&nwid;
209 return ioctl(drv->global->sock, SIOCS80211NWID, &ifr);
210 #else
211 return set80211var(drv, IEEE80211_IOC_SSID, ssid, ssid_len);
212 #endif
213 }
214
215 static int
bsd_get_if_media(void * priv)216 bsd_get_if_media(void *priv)
217 {
218 struct bsd_driver_data *drv = priv;
219 struct ifmediareq ifmr;
220
221 os_memset(&ifmr, 0, sizeof(ifmr));
222 os_strlcpy(ifmr.ifm_name, drv->ifname, sizeof(ifmr.ifm_name));
223
224 if (ioctl(drv->global->sock, SIOCGIFMEDIA, &ifmr) < 0) {
225 wpa_printf(MSG_ERROR, "%s: SIOCGIFMEDIA %s", __func__,
226 strerror(errno));
227 return -1;
228 }
229
230 return ifmr.ifm_current;
231 }
232
233 static int
bsd_set_if_media(void * priv,int media)234 bsd_set_if_media(void *priv, int media)
235 {
236 struct bsd_driver_data *drv = priv;
237 struct ifreq ifr;
238
239 os_memset(&ifr, 0, sizeof(ifr));
240 os_strlcpy(ifr.ifr_name, drv->ifname, sizeof(ifr.ifr_name));
241 ifr.ifr_media = media;
242
243 if (ioctl(drv->global->sock, SIOCSIFMEDIA, &ifr) < 0) {
244 wpa_printf(MSG_ERROR, "%s: SIOCSIFMEDIA %s", __func__,
245 strerror(errno));
246 return -1;
247 }
248
249 return 0;
250 }
251
252 static int
bsd_set_mediaopt(void * priv,uint32_t mask,uint32_t mode)253 bsd_set_mediaopt(void *priv, uint32_t mask, uint32_t mode)
254 {
255 int media = bsd_get_if_media(priv);
256
257 if (media < 0)
258 return -1;
259 media &= ~mask;
260 media |= mode;
261 if (bsd_set_if_media(priv, media) < 0)
262 return -1;
263 return 0;
264 }
265
266 static int
bsd_del_key(void * priv,const u8 * addr,int key_idx)267 bsd_del_key(void *priv, const u8 *addr, int key_idx)
268 {
269 struct ieee80211req_del_key wk;
270
271 os_memset(&wk, 0, sizeof(wk));
272 if (addr == NULL) {
273 wpa_printf(MSG_DEBUG, "%s: key_idx=%d", __func__, key_idx);
274 wk.idk_keyix = key_idx;
275 } else {
276 wpa_printf(MSG_DEBUG, "%s: addr=" MACSTR, __func__,
277 MAC2STR(addr));
278 os_memcpy(wk.idk_macaddr, addr, IEEE80211_ADDR_LEN);
279 wk.idk_keyix = (u_int8_t) IEEE80211_KEYIX_NONE; /* XXX */
280 }
281
282 return set80211var(priv, IEEE80211_IOC_DELKEY, &wk, sizeof(wk));
283 }
284
285 static int
bsd_send_mlme_param(void * priv,const u8 op,const u16 reason,const u8 * addr)286 bsd_send_mlme_param(void *priv, const u8 op, const u16 reason, const u8 *addr)
287 {
288 struct ieee80211req_mlme mlme;
289
290 os_memset(&mlme, 0, sizeof(mlme));
291 mlme.im_op = op;
292 mlme.im_reason = reason;
293 os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
294 return set80211var(priv, IEEE80211_IOC_MLME, &mlme, sizeof(mlme));
295 }
296
297 static int
bsd_ctrl_iface(void * priv,int enable)298 bsd_ctrl_iface(void *priv, int enable)
299 {
300 struct bsd_driver_data *drv = priv;
301 struct ifreq ifr;
302
303 os_memset(&ifr, 0, sizeof(ifr));
304 os_strlcpy(ifr.ifr_name, drv->ifname, sizeof(ifr.ifr_name));
305
306 if (ioctl(drv->global->sock, SIOCGIFFLAGS, &ifr) < 0) {
307 wpa_printf(MSG_ERROR, "ioctl[SIOCGIFFLAGS]: %s",
308 strerror(errno));
309 return -1;
310 }
311 drv->flags = ifr.ifr_flags;
312
313 if (enable) {
314 if (ifr.ifr_flags & IFF_UP)
315 return 0;
316 ifr.ifr_flags |= IFF_UP;
317 } else {
318 if (!(ifr.ifr_flags & IFF_UP))
319 return 0;
320 ifr.ifr_flags &= ~IFF_UP;
321 }
322
323 if (ioctl(drv->global->sock, SIOCSIFFLAGS, &ifr) < 0) {
324 wpa_printf(MSG_ERROR, "ioctl[SIOCSIFFLAGS]: %s",
325 strerror(errno));
326 return -1;
327 }
328
329 drv->flags = ifr.ifr_flags;
330 return 0;
331 }
332
333 static int
bsd_set_key(const char * ifname,void * priv,enum wpa_alg alg,const unsigned char * addr,int key_idx,int set_tx,const u8 * seq,size_t seq_len,const u8 * key,size_t key_len)334 bsd_set_key(const char *ifname, void *priv, enum wpa_alg alg,
335 const unsigned char *addr, int key_idx, int set_tx, const u8 *seq,
336 size_t seq_len, const u8 *key, size_t key_len)
337 {
338 struct ieee80211req_key wk;
339 #ifdef IEEE80211_KEY_NOREPLAY
340 struct bsd_driver_data *drv = priv;
341 #endif /* IEEE80211_KEY_NOREPLAY */
342
343 wpa_printf(MSG_DEBUG, "%s: alg=%d addr=%p key_idx=%d set_tx=%d "
344 "seq_len=%zu key_len=%zu", __func__, alg, addr, key_idx,
345 set_tx, seq_len, key_len);
346
347 if (alg == WPA_ALG_NONE) {
348 #ifndef HOSTAPD
349 if (addr == NULL || is_broadcast_ether_addr(addr))
350 return bsd_del_key(priv, NULL, key_idx);
351 else
352 #endif /* HOSTAPD */
353 return bsd_del_key(priv, addr, key_idx);
354 }
355
356 os_memset(&wk, 0, sizeof(wk));
357 switch (alg) {
358 case WPA_ALG_WEP:
359 wk.ik_type = IEEE80211_CIPHER_WEP;
360 break;
361 case WPA_ALG_TKIP:
362 wk.ik_type = IEEE80211_CIPHER_TKIP;
363 break;
364 case WPA_ALG_CCMP:
365 wk.ik_type = IEEE80211_CIPHER_AES_CCM;
366 break;
367 default:
368 wpa_printf(MSG_ERROR, "%s: unknown alg=%d", __func__, alg);
369 return -1;
370 }
371
372 wk.ik_flags = IEEE80211_KEY_RECV;
373 if (set_tx)
374 wk.ik_flags |= IEEE80211_KEY_XMIT;
375
376 if (addr == NULL) {
377 os_memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN);
378 wk.ik_keyix = key_idx;
379 } else {
380 os_memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
381 /*
382 * Deduce whether group/global or unicast key by checking
383 * the address (yech). Note also that we can only mark global
384 * keys default; doing this for a unicast key is an error.
385 */
386 if (is_broadcast_ether_addr(addr)) {
387 wk.ik_flags |= IEEE80211_KEY_GROUP;
388 wk.ik_keyix = key_idx;
389 } else {
390 wk.ik_keyix = key_idx == 0 ? IEEE80211_KEYIX_NONE :
391 key_idx;
392 }
393 }
394 if (wk.ik_keyix != IEEE80211_KEYIX_NONE && set_tx)
395 wk.ik_flags |= IEEE80211_KEY_DEFAULT;
396 #ifndef HOSTAPD
397 #ifdef IEEE80211_KEY_NOREPLAY
398 /*
399 * Ignore replay failures in IBSS and AHDEMO mode.
400 */
401 if (drv->opmode == IEEE80211_M_IBSS ||
402 drv->opmode == IEEE80211_M_AHDEMO)
403 wk.ik_flags |= IEEE80211_KEY_NOREPLAY;
404 #endif /* IEEE80211_KEY_NOREPLAY */
405 #endif /* HOSTAPD */
406 wk.ik_keylen = key_len;
407 if (seq) {
408 #ifdef WORDS_BIGENDIAN
409 /*
410 * wk.ik_keyrsc is in host byte order (big endian), need to
411 * swap it to match with the byte order used in WPA.
412 */
413 int i;
414 u8 *keyrsc = (u8 *) &wk.ik_keyrsc;
415 for (i = 0; i < seq_len; i++)
416 keyrsc[WPA_KEY_RSC_LEN - i - 1] = seq[i];
417 #else /* WORDS_BIGENDIAN */
418 os_memcpy(&wk.ik_keyrsc, seq, seq_len);
419 #endif /* WORDS_BIGENDIAN */
420 }
421 os_memcpy(wk.ik_keydata, key, key_len);
422
423 return set80211var(priv, IEEE80211_IOC_WPAKEY, &wk, sizeof(wk));
424 }
425
426 static int
bsd_configure_wpa(void * priv,struct wpa_bss_params * params)427 bsd_configure_wpa(void *priv, struct wpa_bss_params *params)
428 {
429 #ifndef IEEE80211_IOC_APPIE
430 static const char *ciphernames[] =
431 { "WEP", "TKIP", "AES-OCB", "AES-CCM", "CKIP", "NONE" };
432 int v;
433
434 switch (params->wpa_group) {
435 case WPA_CIPHER_CCMP:
436 v = IEEE80211_CIPHER_AES_CCM;
437 break;
438 case WPA_CIPHER_TKIP:
439 v = IEEE80211_CIPHER_TKIP;
440 break;
441 case WPA_CIPHER_WEP104:
442 v = IEEE80211_CIPHER_WEP;
443 break;
444 case WPA_CIPHER_WEP40:
445 v = IEEE80211_CIPHER_WEP;
446 break;
447 case WPA_CIPHER_NONE:
448 v = IEEE80211_CIPHER_NONE;
449 break;
450 default:
451 wpa_printf(MSG_INFO, "Unknown group key cipher %u",
452 params->wpa_group);
453 return -1;
454 }
455 wpa_printf(MSG_DEBUG, "%s: group key cipher=%s (%u)",
456 __func__, ciphernames[v], v);
457 if (set80211param(priv, IEEE80211_IOC_MCASTCIPHER, v)) {
458 wpa_printf(MSG_INFO,
459 "Unable to set group key cipher to %u (%s)",
460 v, ciphernames[v]);
461 return -1;
462 }
463 if (v == IEEE80211_CIPHER_WEP) {
464 /* key length is done only for specific ciphers */
465 v = (params->wpa_group == WPA_CIPHER_WEP104 ? 13 : 5);
466 if (set80211param(priv, IEEE80211_IOC_MCASTKEYLEN, v)) {
467 wpa_printf(MSG_INFO,
468 "Unable to set group key length to %u", v);
469 return -1;
470 }
471 }
472
473 v = 0;
474 if (params->wpa_pairwise & WPA_CIPHER_CCMP)
475 v |= 1<<IEEE80211_CIPHER_AES_CCM;
476 if (params->wpa_pairwise & WPA_CIPHER_TKIP)
477 v |= 1<<IEEE80211_CIPHER_TKIP;
478 if (params->wpa_pairwise & WPA_CIPHER_NONE)
479 v |= 1<<IEEE80211_CIPHER_NONE;
480 wpa_printf(MSG_DEBUG, "%s: pairwise key ciphers=0x%x", __func__, v);
481 if (set80211param(priv, IEEE80211_IOC_UCASTCIPHERS, v)) {
482 wpa_printf(MSG_INFO,
483 "Unable to set pairwise key ciphers to 0x%x", v);
484 return -1;
485 }
486
487 wpa_printf(MSG_DEBUG, "%s: key management algorithms=0x%x",
488 __func__, params->wpa_key_mgmt);
489 if (set80211param(priv, IEEE80211_IOC_KEYMGTALGS,
490 params->wpa_key_mgmt)) {
491 wpa_printf(MSG_INFO,
492 "Unable to set key management algorithms to 0x%x",
493 params->wpa_key_mgmt);
494 return -1;
495 }
496
497 v = 0;
498 if (params->rsn_preauth)
499 v |= BIT(0);
500 wpa_printf(MSG_DEBUG, "%s: rsn capabilities=0x%x",
501 __func__, params->rsn_preauth);
502 if (set80211param(priv, IEEE80211_IOC_RSNCAPS, v)) {
503 wpa_printf(MSG_INFO, "Unable to set RSN capabilities to 0x%x",
504 v);
505 return -1;
506 }
507 #endif /* IEEE80211_IOC_APPIE */
508
509 wpa_printf(MSG_DEBUG, "%s: enable WPA= 0x%x", __func__, params->wpa);
510 if (set80211param(priv, IEEE80211_IOC_WPA, params->wpa)) {
511 wpa_printf(MSG_INFO, "Unable to set WPA to %u", params->wpa);
512 return -1;
513 }
514 return 0;
515 }
516
517 static int
bsd_set_ieee8021x(void * priv,struct wpa_bss_params * params)518 bsd_set_ieee8021x(void *priv, struct wpa_bss_params *params)
519 {
520 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, params->enabled);
521
522 if (!params->enabled) {
523 /* XXX restore state */
524 return set80211param(priv, IEEE80211_IOC_AUTHMODE,
525 IEEE80211_AUTH_AUTO);
526 }
527 if (!params->wpa && !params->ieee802_1x) {
528 wpa_printf(MSG_ERROR, "%s: No 802.1X or WPA enabled",
529 __func__);
530 return -1;
531 }
532 if (params->wpa && bsd_configure_wpa(priv, params) != 0) {
533 wpa_printf(MSG_ERROR, "%s: Failed to configure WPA state",
534 __func__);
535 return -1;
536 }
537 if (set80211param(priv, IEEE80211_IOC_AUTHMODE,
538 (params->wpa ? IEEE80211_AUTH_WPA : IEEE80211_AUTH_8021X))) {
539 wpa_printf(MSG_ERROR, "%s: Failed to enable WPA/802.1X",
540 __func__);
541 return -1;
542 }
543 return bsd_ctrl_iface(priv, 1);
544 }
545
546 static void
bsd_new_sta(void * priv,void * ctx,u8 addr[IEEE80211_ADDR_LEN])547 bsd_new_sta(void *priv, void *ctx, u8 addr[IEEE80211_ADDR_LEN])
548 {
549 struct ieee80211req_wpaie ie;
550 int ielen = 0;
551 u8 *iebuf = NULL;
552
553 /*
554 * Fetch and validate any negotiated WPA/RSN parameters.
555 */
556 memset(&ie, 0, sizeof(ie));
557 memcpy(ie.wpa_macaddr, addr, IEEE80211_ADDR_LEN);
558 if (get80211var(priv, IEEE80211_IOC_WPAIE, &ie, sizeof(ie)) < 0) {
559 wpa_printf(MSG_INFO,
560 "Failed to get WPA/RSN information element");
561 goto no_ie;
562 }
563 iebuf = ie.wpa_ie;
564 ielen = ie.wpa_ie[1];
565 if (ielen == 0)
566 iebuf = NULL;
567 else
568 ielen += 2;
569
570 no_ie:
571 drv_event_assoc(ctx, addr, iebuf, ielen, 0);
572 }
573
574 static int
bsd_send_eapol(void * priv,const u8 * addr,const u8 * data,size_t data_len,int encrypt,const u8 * own_addr,u32 flags)575 bsd_send_eapol(void *priv, const u8 *addr, const u8 *data, size_t data_len,
576 int encrypt, const u8 *own_addr, u32 flags)
577 {
578 struct bsd_driver_data *drv = priv;
579
580 wpa_hexdump(MSG_MSGDUMP, "TX EAPOL", data, data_len);
581
582 return l2_packet_send(drv->sock_xmit, addr, ETH_P_EAPOL, data,
583 data_len);
584 }
585
586 static int
bsd_set_freq(void * priv,struct hostapd_freq_params * freq)587 bsd_set_freq(void *priv, struct hostapd_freq_params *freq)
588 {
589 struct bsd_driver_data *drv = priv;
590 #ifdef SIOCS80211CHANNEL
591 struct ieee80211chanreq creq;
592 #endif /* SIOCS80211CHANNEL */
593 u32 mode;
594 int channel = freq->channel;
595
596 if (channel < 14) {
597 mode =
598 #ifdef CONFIG_IEEE80211N
599 freq->ht_enabled ? IFM_IEEE80211_11NG :
600 #endif /* CONFIG_IEEE80211N */
601 IFM_IEEE80211_11G;
602 } else if (channel == 14) {
603 mode = IFM_IEEE80211_11B;
604 } else {
605 mode =
606 #ifdef CONFIG_IEEE80211N
607 freq->ht_enabled ? IFM_IEEE80211_11NA :
608 #endif /* CONFIG_IEEE80211N */
609 IFM_IEEE80211_11A;
610 }
611 if (bsd_set_mediaopt(drv, IFM_MMASK, mode) < 0) {
612 wpa_printf(MSG_ERROR, "%s: failed to set modulation mode",
613 __func__);
614 return -1;
615 }
616
617 #ifdef SIOCS80211CHANNEL
618 os_memset(&creq, 0, sizeof(creq));
619 os_strlcpy(creq.i_name, drv->ifname, sizeof(creq.i_name));
620 creq.i_channel = (u_int16_t)channel;
621 return ioctl(drv->global->sock, SIOCS80211CHANNEL, &creq);
622 #else /* SIOCS80211CHANNEL */
623 return set80211param(priv, IEEE80211_IOC_CHANNEL, channel);
624 #endif /* SIOCS80211CHANNEL */
625 }
626
627 static int
bsd_set_opt_ie(void * priv,const u8 * ie,size_t ie_len)628 bsd_set_opt_ie(void *priv, const u8 *ie, size_t ie_len)
629 {
630 #ifdef IEEE80211_IOC_APPIE
631 wpa_printf(MSG_DEBUG, "%s: set WPA+RSN ie (len %lu)", __func__,
632 (unsigned long)ie_len);
633 return bsd_set80211(priv, IEEE80211_IOC_APPIE, IEEE80211_APPIE_WPA,
634 ie, ie_len);
635 #endif /* IEEE80211_IOC_APPIE */
636 return 0;
637 }
638
639 static size_t
rtbuf_len(void)640 rtbuf_len(void)
641 {
642 size_t len;
643
644 int mib[6] = {CTL_NET, AF_ROUTE, 0, AF_INET, NET_RT_DUMP, 0};
645
646 if (sysctl(mib, 6, NULL, &len, NULL, 0) < 0) {
647 wpa_printf(MSG_WARNING, "%s failed: %s", __func__,
648 strerror(errno));
649 len = 2048;
650 }
651
652 return (len == 0) ? 2048 : len;
653 }
654
655 #ifdef HOSTAPD
656
657 /*
658 * Avoid conflicts with hostapd definitions by undefining couple of defines
659 * from net80211 header files.
660 */
661 #undef RSN_VERSION
662 #undef WPA_VERSION
663 #undef WPA_OUI_TYPE
664
665 static int bsd_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
666 u16 reason_code);
667
668 #ifdef __DragonFly__
669 const char *
670 #else
671 static const char *
672 #endif
ether_sprintf(const u8 * addr)673 ether_sprintf(const u8 *addr)
674 {
675 static char buf[sizeof(MACSTR)];
676
677 if (addr != NULL)
678 snprintf(buf, sizeof(buf), MACSTR, MAC2STR(addr));
679 else
680 snprintf(buf, sizeof(buf), MACSTR, 0,0,0,0,0,0);
681 return buf;
682 }
683
684 static int
bsd_set_privacy(void * priv,int enabled)685 bsd_set_privacy(void *priv, int enabled)
686 {
687 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled);
688
689 return set80211param(priv, IEEE80211_IOC_PRIVACY, enabled);
690 }
691
692 static int
bsd_get_seqnum(const char * ifname,void * priv,const u8 * addr,int idx,u8 * seq)693 bsd_get_seqnum(const char *ifname, void *priv, const u8 *addr, int idx,
694 u8 *seq)
695 {
696 struct ieee80211req_key wk;
697
698 wpa_printf(MSG_DEBUG, "%s: addr=%s idx=%d",
699 __func__, ether_sprintf(addr), idx);
700
701 memset(&wk, 0, sizeof(wk));
702 if (addr == NULL)
703 memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN);
704 else
705 memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
706 wk.ik_keyix = idx;
707
708 if (get80211var(priv, IEEE80211_IOC_WPAKEY, &wk, sizeof(wk)) < 0) {
709 wpa_printf(MSG_INFO, "Failed to get encryption");
710 return -1;
711 }
712
713 #ifdef WORDS_BIGENDIAN
714 {
715 /*
716 * wk.ik_keytsc is in host byte order (big endian), need to
717 * swap it to match with the byte order used in WPA.
718 */
719 int i;
720 u8 tmp[WPA_KEY_RSC_LEN];
721 memcpy(tmp, &wk.ik_keytsc, sizeof(wk.ik_keytsc));
722 for (i = 0; i < WPA_KEY_RSC_LEN; i++) {
723 seq[i] = tmp[WPA_KEY_RSC_LEN - i - 1];
724 }
725 }
726 #else /* WORDS_BIGENDIAN */
727 memcpy(seq, &wk.ik_keytsc, sizeof(wk.ik_keytsc));
728 #endif /* WORDS_BIGENDIAN */
729 return 0;
730 }
731
732
733 static int
bsd_flush(void * priv)734 bsd_flush(void *priv)
735 {
736 u8 allsta[IEEE80211_ADDR_LEN];
737
738 memset(allsta, 0xff, IEEE80211_ADDR_LEN);
739 return bsd_sta_deauth(priv, NULL, allsta, IEEE80211_REASON_AUTH_LEAVE);
740 }
741
742
743 static int
bsd_read_sta_driver_data(void * priv,struct hostap_sta_driver_data * data,const u8 * addr)744 bsd_read_sta_driver_data(void *priv, struct hostap_sta_driver_data *data,
745 const u8 *addr)
746 {
747 struct ieee80211req_sta_stats stats;
748
749 memcpy(stats.is_u.macaddr, addr, IEEE80211_ADDR_LEN);
750 if (get80211var(priv, IEEE80211_IOC_STA_STATS, &stats, sizeof(stats))
751 > 0) {
752 /* XXX? do packets counts include non-data frames? */
753 data->rx_packets = stats.is_stats.ns_rx_data;
754 data->rx_bytes = stats.is_stats.ns_rx_bytes;
755 data->tx_packets = stats.is_stats.ns_tx_data;
756 data->tx_bytes = stats.is_stats.ns_tx_bytes;
757 }
758 return 0;
759 }
760
761 static int
bsd_sta_deauth(void * priv,const u8 * own_addr,const u8 * addr,u16 reason_code)762 bsd_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr, u16 reason_code)
763 {
764 return bsd_send_mlme_param(priv, IEEE80211_MLME_DEAUTH, reason_code,
765 addr);
766 }
767
768 static int
bsd_sta_disassoc(void * priv,const u8 * own_addr,const u8 * addr,u16 reason_code)769 bsd_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
770 u16 reason_code)
771 {
772 return bsd_send_mlme_param(priv, IEEE80211_MLME_DISASSOC, reason_code,
773 addr);
774 }
775
776 static void
bsd_wireless_event_receive(int sock,void * ctx,void * sock_ctx)777 bsd_wireless_event_receive(int sock, void *ctx, void *sock_ctx)
778 {
779 struct bsd_driver_global *global = sock_ctx;
780 struct bsd_driver_data *drv;
781 struct if_announcemsghdr *ifan;
782 struct rt_msghdr *rtm;
783 struct ieee80211_michael_event *mic;
784 struct ieee80211_join_event *join;
785 struct ieee80211_leave_event *leave;
786 int n;
787 union wpa_event_data data;
788
789 n = read(sock, global->event_buf, global->event_buf_len);
790 if (n < 0) {
791 if (errno != EINTR && errno != EAGAIN)
792 wpa_printf(MSG_ERROR, "%s read() failed: %s",
793 __func__, strerror(errno));
794 return;
795 }
796
797 rtm = (struct rt_msghdr *) global->event_buf;
798 if (rtm->rtm_version != RTM_VERSION) {
799 wpa_printf(MSG_DEBUG, "Invalid routing message version=%d",
800 rtm->rtm_version);
801 return;
802 }
803 switch (rtm->rtm_type) {
804 case RTM_IEEE80211:
805 ifan = (struct if_announcemsghdr *) rtm;
806 drv = bsd_get_drvindex(global, ifan->ifan_index);
807 if (drv == NULL)
808 return;
809 switch (ifan->ifan_what) {
810 case RTM_IEEE80211_ASSOC:
811 case RTM_IEEE80211_REASSOC:
812 case RTM_IEEE80211_DISASSOC:
813 case RTM_IEEE80211_SCAN:
814 break;
815 case RTM_IEEE80211_LEAVE:
816 leave = (struct ieee80211_leave_event *) &ifan[1];
817 drv_event_disassoc(drv->hapd, leave->iev_addr);
818 break;
819 case RTM_IEEE80211_JOIN:
820 #ifdef RTM_IEEE80211_REJOIN
821 case RTM_IEEE80211_REJOIN:
822 #endif
823 join = (struct ieee80211_join_event *) &ifan[1];
824 bsd_new_sta(drv, drv->hapd, join->iev_addr);
825 break;
826 case RTM_IEEE80211_REPLAY:
827 /* ignore */
828 break;
829 case RTM_IEEE80211_MICHAEL:
830 mic = (struct ieee80211_michael_event *) &ifan[1];
831 wpa_printf(MSG_DEBUG,
832 "Michael MIC failure wireless event: "
833 "keyix=%u src_addr=" MACSTR, mic->iev_keyix,
834 MAC2STR(mic->iev_src));
835 os_memset(&data, 0, sizeof(data));
836 data.michael_mic_failure.unicast = 1;
837 data.michael_mic_failure.src = mic->iev_src;
838 wpa_supplicant_event(drv->hapd,
839 EVENT_MICHAEL_MIC_FAILURE, &data);
840 break;
841 }
842 break;
843 }
844 }
845
846 static void
handle_read(void * ctx,const u8 * src_addr,const u8 * buf,size_t len)847 handle_read(void *ctx, const u8 *src_addr, const u8 *buf, size_t len)
848 {
849 struct bsd_driver_data *drv = ctx;
850 drv_event_eapol_rx(drv->hapd, src_addr, buf, len);
851 }
852
853 static void *
bsd_init(struct hostapd_data * hapd,struct wpa_init_params * params)854 bsd_init(struct hostapd_data *hapd, struct wpa_init_params *params)
855 {
856 struct bsd_driver_data *drv;
857
858 drv = os_zalloc(sizeof(struct bsd_driver_data));
859 if (drv == NULL) {
860 wpa_printf(MSG_ERROR, "Could not allocate memory for bsd driver data");
861 return NULL;
862 }
863
864 drv->ifindex = if_nametoindex(params->ifname);
865 if (drv->ifindex == 0) {
866 wpa_printf(MSG_DEBUG, "%s: interface %s does not exist",
867 __func__, params->ifname);
868 goto bad;
869 }
870
871 drv->hapd = hapd;
872 drv->global = params->global_priv;
873 os_strlcpy(drv->ifname, params->ifname, sizeof(drv->ifname));
874
875 drv->sock_xmit = l2_packet_init(drv->ifname, NULL, ETH_P_EAPOL,
876 handle_read, drv, 0);
877 if (drv->sock_xmit == NULL)
878 goto bad;
879 if (l2_packet_get_own_addr(drv->sock_xmit, params->own_addr))
880 goto bad;
881
882 /* mark down during setup */
883 if (bsd_ctrl_iface(drv, 0) < 0)
884 goto bad;
885
886 if (bsd_set_mediaopt(drv, IFM_OMASK, IFM_IEEE80211_HOSTAP) < 0) {
887 wpa_printf(MSG_ERROR, "%s: failed to set operation mode",
888 __func__);
889 goto bad;
890 }
891
892 dl_list_add(&drv->global->ifaces, &drv->list);
893
894 return drv;
895 bad:
896 if (drv->sock_xmit != NULL)
897 l2_packet_deinit(drv->sock_xmit);
898 os_free(drv);
899 return NULL;
900 }
901
902
903 static void
bsd_deinit(void * priv)904 bsd_deinit(void *priv)
905 {
906 struct bsd_driver_data *drv = priv;
907
908 if (drv->ifindex != 0)
909 bsd_ctrl_iface(drv, 0);
910 if (drv->sock_xmit != NULL)
911 l2_packet_deinit(drv->sock_xmit);
912 os_free(drv);
913 }
914
915
916 static int
bsd_commit(void * priv)917 bsd_commit(void *priv)
918 {
919 return bsd_ctrl_iface(priv, 1);
920 }
921
922
923 static int
bsd_set_sta_authorized(void * priv,const u8 * addr,unsigned int total_flags,unsigned int flags_or,unsigned int flags_and)924 bsd_set_sta_authorized(void *priv, const u8 *addr,
925 unsigned int total_flags, unsigned int flags_or,
926 unsigned int flags_and)
927 {
928 int authorized = -1;
929
930 /* For now, only support setting Authorized flag */
931 if (flags_or & WPA_STA_AUTHORIZED)
932 authorized = 1;
933 if (!(flags_and & WPA_STA_AUTHORIZED))
934 authorized = 0;
935
936 if (authorized < 0)
937 return 0;
938
939 return bsd_send_mlme_param(priv, authorized ?
940 IEEE80211_MLME_AUTHORIZE :
941 IEEE80211_MLME_UNAUTHORIZE, 0, addr);
942 }
943 #else /* HOSTAPD */
944
945 static int
get80211param(struct bsd_driver_data * drv,int op)946 get80211param(struct bsd_driver_data *drv, int op)
947 {
948 struct ieee80211req ireq;
949
950 if (bsd_get80211(drv, &ireq, op, NULL, 0) < 0)
951 return -1;
952 return ireq.i_val;
953 }
954
955 static int
wpa_driver_bsd_get_bssid(void * priv,u8 * bssid)956 wpa_driver_bsd_get_bssid(void *priv, u8 *bssid)
957 {
958 struct bsd_driver_data *drv = priv;
959 #ifdef SIOCG80211BSSID
960 struct ieee80211_bssid bs;
961
962 os_strlcpy(bs.i_name, drv->ifname, sizeof(bs.i_name));
963 if (ioctl(drv->global->sock, SIOCG80211BSSID, &bs) < 0)
964 return -1;
965 os_memcpy(bssid, bs.i_bssid, sizeof(bs.i_bssid));
966 return 0;
967 #else
968 return get80211var(drv, IEEE80211_IOC_BSSID,
969 bssid, IEEE80211_ADDR_LEN) < 0 ? -1 : 0;
970 #endif
971 }
972
973 static int
wpa_driver_bsd_get_ssid(void * priv,u8 * ssid)974 wpa_driver_bsd_get_ssid(void *priv, u8 *ssid)
975 {
976 struct bsd_driver_data *drv = priv;
977 return bsd_get_ssid(drv, ssid, 0);
978 }
979
980 static int
wpa_driver_bsd_set_wpa_ie(struct bsd_driver_data * drv,const u8 * wpa_ie,size_t wpa_ie_len)981 wpa_driver_bsd_set_wpa_ie(struct bsd_driver_data *drv, const u8 *wpa_ie,
982 size_t wpa_ie_len)
983 {
984 #ifdef IEEE80211_IOC_APPIE
985 return bsd_set_opt_ie(drv, wpa_ie, wpa_ie_len);
986 #else /* IEEE80211_IOC_APPIE */
987 return set80211var(drv, IEEE80211_IOC_OPTIE, wpa_ie, wpa_ie_len);
988 #endif /* IEEE80211_IOC_APPIE */
989 }
990
991 static int
wpa_driver_bsd_set_wpa_internal(void * priv,int wpa,int privacy)992 wpa_driver_bsd_set_wpa_internal(void *priv, int wpa, int privacy)
993 {
994 int ret = 0;
995
996 wpa_printf(MSG_DEBUG, "%s: wpa=%d privacy=%d",
997 __func__, wpa, privacy);
998
999 if (!wpa && wpa_driver_bsd_set_wpa_ie(priv, NULL, 0) < 0)
1000 ret = -1;
1001 if (set80211param(priv, IEEE80211_IOC_PRIVACY, privacy) < 0)
1002 ret = -1;
1003 if (set80211param(priv, IEEE80211_IOC_WPA, wpa) < 0)
1004 ret = -1;
1005
1006 return ret;
1007 }
1008
1009 static int
wpa_driver_bsd_set_wpa(void * priv,int enabled)1010 wpa_driver_bsd_set_wpa(void *priv, int enabled)
1011 {
1012 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled);
1013
1014 return wpa_driver_bsd_set_wpa_internal(priv, enabled ? 3 : 0, enabled);
1015 }
1016
1017 static int
wpa_driver_bsd_set_countermeasures(void * priv,int enabled)1018 wpa_driver_bsd_set_countermeasures(void *priv, int enabled)
1019 {
1020 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled);
1021 return set80211param(priv, IEEE80211_IOC_COUNTERMEASURES, enabled);
1022 }
1023
1024
1025 static int
wpa_driver_bsd_set_drop_unencrypted(void * priv,int enabled)1026 wpa_driver_bsd_set_drop_unencrypted(void *priv, int enabled)
1027 {
1028 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled);
1029 return set80211param(priv, IEEE80211_IOC_DROPUNENCRYPTED, enabled);
1030 }
1031
1032 static int
wpa_driver_bsd_deauthenticate(void * priv,const u8 * addr,u16 reason_code)1033 wpa_driver_bsd_deauthenticate(void *priv, const u8 *addr, u16 reason_code)
1034 {
1035 return bsd_send_mlme_param(priv, IEEE80211_MLME_DEAUTH, reason_code,
1036 addr);
1037 }
1038
1039 static int
wpa_driver_bsd_set_auth_alg(void * priv,int auth_alg)1040 wpa_driver_bsd_set_auth_alg(void *priv, int auth_alg)
1041 {
1042 int authmode;
1043
1044 if ((auth_alg & WPA_AUTH_ALG_OPEN) &&
1045 (auth_alg & WPA_AUTH_ALG_SHARED))
1046 authmode = IEEE80211_AUTH_AUTO;
1047 else if (auth_alg & WPA_AUTH_ALG_SHARED)
1048 authmode = IEEE80211_AUTH_SHARED;
1049 else
1050 authmode = IEEE80211_AUTH_OPEN;
1051
1052 return set80211param(priv, IEEE80211_IOC_AUTHMODE, authmode);
1053 }
1054
1055 static void
handle_read(void * ctx,const u8 * src_addr,const u8 * buf,size_t len)1056 handle_read(void *ctx, const u8 *src_addr, const u8 *buf, size_t len)
1057 {
1058 struct bsd_driver_data *drv = ctx;
1059
1060 drv_event_eapol_rx(drv->ctx, src_addr, buf, len);
1061 }
1062
1063 static int
wpa_driver_bsd_associate(void * priv,struct wpa_driver_associate_params * params)1064 wpa_driver_bsd_associate(void *priv, struct wpa_driver_associate_params *params)
1065 {
1066 struct bsd_driver_data *drv = priv;
1067 struct ieee80211req_mlme mlme;
1068 u32 mode;
1069 int privacy;
1070 int ret = 0;
1071
1072 wpa_printf(MSG_DEBUG,
1073 "%s: ssid '%.*s' wpa ie len %u pairwise %u group %u key mgmt %u"
1074 , __func__
1075 , (unsigned int) params->ssid_len, params->ssid
1076 , (unsigned int) params->wpa_ie_len
1077 , params->pairwise_suite
1078 , params->group_suite
1079 , params->key_mgmt_suite
1080 );
1081
1082 switch (params->mode) {
1083 case IEEE80211_MODE_INFRA:
1084 mode = 0 /* STA */;
1085 break;
1086 case IEEE80211_MODE_IBSS:
1087 /*
1088 * Ref bin/203086 - FreeBSD's net80211 currently uses
1089 * IFM_IEEE80211_ADHOC.
1090 */
1091 #if 0
1092 mode = IFM_IEEE80211_IBSS;
1093 #endif
1094 mode = IFM_IEEE80211_ADHOC;
1095 break;
1096 case IEEE80211_MODE_AP:
1097 mode = IFM_IEEE80211_HOSTAP;
1098 break;
1099 default:
1100 wpa_printf(MSG_ERROR, "%s: unknown operation mode", __func__);
1101 return -1;
1102 }
1103 if (bsd_set_mediaopt(drv, IFM_OMASK, mode) < 0) {
1104 wpa_printf(MSG_ERROR, "%s: failed to set operation mode",
1105 __func__);
1106 return -1;
1107 }
1108
1109 if (params->mode == IEEE80211_MODE_AP) {
1110 drv->sock_xmit = l2_packet_init(drv->ifname, NULL, ETH_P_EAPOL,
1111 handle_read, drv, 0);
1112 if (drv->sock_xmit == NULL)
1113 return -1;
1114 drv->is_ap = 1;
1115 return 0;
1116 }
1117
1118 if (wpa_driver_bsd_set_drop_unencrypted(drv, params->drop_unencrypted)
1119 < 0)
1120 ret = -1;
1121 if (wpa_driver_bsd_set_auth_alg(drv, params->auth_alg) < 0)
1122 ret = -1;
1123 /* XXX error handling is wrong but unclear what to do... */
1124 if (wpa_driver_bsd_set_wpa_ie(drv, params->wpa_ie, params->wpa_ie_len) < 0)
1125 return -1;
1126
1127 privacy = !(params->pairwise_suite == WPA_CIPHER_NONE &&
1128 params->group_suite == WPA_CIPHER_NONE &&
1129 params->key_mgmt_suite == WPA_KEY_MGMT_NONE &&
1130 params->wpa_ie_len == 0);
1131 wpa_printf(MSG_DEBUG, "%s: set PRIVACY %u", __func__, privacy);
1132
1133 if (set80211param(drv, IEEE80211_IOC_PRIVACY, privacy) < 0)
1134 return -1;
1135
1136 if (params->wpa_ie_len &&
1137 set80211param(drv, IEEE80211_IOC_WPA,
1138 params->wpa_ie[0] == WLAN_EID_RSN ? 2 : 1) < 0)
1139 return -1;
1140
1141 os_memset(&mlme, 0, sizeof(mlme));
1142 mlme.im_op = IEEE80211_MLME_ASSOC;
1143 if (params->ssid != NULL)
1144 os_memcpy(mlme.im_ssid, params->ssid, params->ssid_len);
1145 mlme.im_ssid_len = params->ssid_len;
1146 if (params->bssid != NULL)
1147 os_memcpy(mlme.im_macaddr, params->bssid, IEEE80211_ADDR_LEN);
1148 if (set80211var(drv, IEEE80211_IOC_MLME, &mlme, sizeof(mlme)) < 0)
1149 return -1;
1150 return ret;
1151 }
1152
1153 static int
wpa_driver_bsd_scan(void * priv,struct wpa_driver_scan_params * params)1154 wpa_driver_bsd_scan(void *priv, struct wpa_driver_scan_params *params)
1155 {
1156 struct bsd_driver_data *drv = priv;
1157 #ifdef IEEE80211_IOC_SCAN_MAX_SSID
1158 struct ieee80211_scan_req sr;
1159 int i;
1160 #endif /* IEEE80211_IOC_SCAN_MAX_SSID */
1161
1162 if (bsd_set_mediaopt(drv, IFM_OMASK, 0 /* STA */) < 0) {
1163 wpa_printf(MSG_ERROR, "%s: failed to set operation mode",
1164 __func__);
1165 return -1;
1166 }
1167
1168 if (set80211param(drv, IEEE80211_IOC_ROAMING,
1169 IEEE80211_ROAMING_MANUAL) < 0) {
1170 wpa_printf(MSG_ERROR, "%s: failed to set "
1171 "wpa_supplicant-based roaming: %s", __func__,
1172 strerror(errno));
1173 return -1;
1174 }
1175
1176 if (wpa_driver_bsd_set_wpa(drv, 1) < 0) {
1177 wpa_printf(MSG_ERROR, "%s: failed to set wpa: %s", __func__,
1178 strerror(errno));
1179 return -1;
1180 }
1181
1182 /* NB: interface must be marked UP to do a scan */
1183 if (bsd_ctrl_iface(drv, 1) < 0)
1184 return -1;
1185
1186 #ifdef IEEE80211_IOC_SCAN_MAX_SSID
1187 os_memset(&sr, 0, sizeof(sr));
1188 sr.sr_flags = IEEE80211_IOC_SCAN_ACTIVE | IEEE80211_IOC_SCAN_ONCE |
1189 IEEE80211_IOC_SCAN_NOJOIN;
1190 sr.sr_duration = IEEE80211_IOC_SCAN_FOREVER;
1191 if (params->num_ssids > 0) {
1192 sr.sr_nssid = params->num_ssids;
1193 #if 0
1194 /* Boundary check is done by upper layer */
1195 if (sr.sr_nssid > IEEE80211_IOC_SCAN_MAX_SSID)
1196 sr.sr_nssid = IEEE80211_IOC_SCAN_MAX_SSID;
1197 #endif
1198
1199 /* NB: check scan cache first */
1200 sr.sr_flags |= IEEE80211_IOC_SCAN_CHECK;
1201 }
1202 for (i = 0; i < sr.sr_nssid; i++) {
1203 sr.sr_ssid[i].len = params->ssids[i].ssid_len;
1204 os_memcpy(sr.sr_ssid[i].ssid, params->ssids[i].ssid,
1205 sr.sr_ssid[i].len);
1206 }
1207
1208 /* NB: net80211 delivers a scan complete event so no need to poll */
1209 return set80211var(drv, IEEE80211_IOC_SCAN_REQ, &sr, sizeof(sr));
1210 #else /* IEEE80211_IOC_SCAN_MAX_SSID */
1211 /* set desired ssid before scan */
1212 if (bsd_set_ssid(drv, params->ssids[0].ssid,
1213 params->ssids[0].ssid_len) < 0)
1214 return -1;
1215
1216 /* NB: net80211 delivers a scan complete event so no need to poll */
1217 return set80211param(drv, IEEE80211_IOC_SCAN_REQ, 0);
1218 #endif /* IEEE80211_IOC_SCAN_MAX_SSID */
1219 }
1220
1221 static void
wpa_driver_bsd_event_receive(int sock,void * ctx,void * sock_ctx)1222 wpa_driver_bsd_event_receive(int sock, void *ctx, void *sock_ctx)
1223 {
1224 struct bsd_driver_global *global = sock_ctx;
1225 struct bsd_driver_data *drv;
1226 struct if_announcemsghdr *ifan;
1227 struct if_msghdr *ifm;
1228 struct rt_msghdr *rtm;
1229 union wpa_event_data event;
1230 struct ieee80211_michael_event *mic;
1231 struct ieee80211_leave_event *leave;
1232 struct ieee80211_join_event *join;
1233 int n;
1234
1235 n = read(sock, global->event_buf, global->event_buf_len);
1236 if (n < 0) {
1237 if (errno != EINTR && errno != EAGAIN)
1238 wpa_printf(MSG_ERROR, "%s read() failed: %s",
1239 __func__, strerror(errno));
1240 return;
1241 }
1242
1243 rtm = (struct rt_msghdr *) global->event_buf;
1244 if (rtm->rtm_version != RTM_VERSION) {
1245 wpa_printf(MSG_DEBUG, "Invalid routing message version=%d",
1246 rtm->rtm_version);
1247 return;
1248 }
1249 os_memset(&event, 0, sizeof(event));
1250 switch (rtm->rtm_type) {
1251 case RTM_IFANNOUNCE:
1252 ifan = (struct if_announcemsghdr *) rtm;
1253 switch (ifan->ifan_what) {
1254 case IFAN_DEPARTURE:
1255 drv = bsd_get_drvindex(global, ifan->ifan_index);
1256 if (drv)
1257 drv->if_removed = 1;
1258 event.interface_status.ievent = EVENT_INTERFACE_REMOVED;
1259 break;
1260 case IFAN_ARRIVAL:
1261 drv = bsd_get_drvname(global, ifan->ifan_name);
1262 if (drv) {
1263 drv->ifindex = ifan->ifan_index;
1264 drv->if_removed = 0;
1265 }
1266 event.interface_status.ievent = EVENT_INTERFACE_ADDED;
1267 break;
1268 default:
1269 wpa_printf(MSG_DEBUG, "RTM_IFANNOUNCE: unknown action");
1270 return;
1271 }
1272 wpa_printf(MSG_DEBUG, "RTM_IFANNOUNCE: Interface '%s' %s",
1273 ifan->ifan_name,
1274 ifan->ifan_what == IFAN_DEPARTURE ?
1275 "removed" : "added");
1276 os_strlcpy(event.interface_status.ifname, ifan->ifan_name,
1277 sizeof(event.interface_status.ifname));
1278 if (drv) {
1279 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS,
1280 &event);
1281 /*
1282 * Set ifindex to zero after sending the event as the
1283 * event might query the driver to ensure a match.
1284 */
1285 if (ifan->ifan_what == IFAN_DEPARTURE)
1286 drv->ifindex = 0;
1287 } else {
1288 wpa_supplicant_event_global(global->ctx,
1289 EVENT_INTERFACE_STATUS,
1290 &event);
1291 }
1292 break;
1293 case RTM_IEEE80211:
1294 ifan = (struct if_announcemsghdr *) rtm;
1295 drv = bsd_get_drvindex(global, ifan->ifan_index);
1296 if (drv == NULL)
1297 return;
1298 switch (ifan->ifan_what) {
1299 case RTM_IEEE80211_ASSOC:
1300 case RTM_IEEE80211_REASSOC:
1301 if (drv->is_ap)
1302 break;
1303 wpa_supplicant_event(drv->ctx, EVENT_ASSOC, NULL);
1304 break;
1305 case RTM_IEEE80211_DISASSOC:
1306 if (drv->is_ap)
1307 break;
1308 wpa_supplicant_event(drv->ctx, EVENT_DISASSOC, NULL);
1309 break;
1310 case RTM_IEEE80211_SCAN:
1311 if (drv->is_ap)
1312 break;
1313 wpa_supplicant_event(drv->ctx, EVENT_SCAN_RESULTS,
1314 NULL);
1315 break;
1316 case RTM_IEEE80211_LEAVE:
1317 leave = (struct ieee80211_leave_event *) &ifan[1];
1318 drv_event_disassoc(drv->ctx, leave->iev_addr);
1319 break;
1320 case RTM_IEEE80211_JOIN:
1321 #ifdef RTM_IEEE80211_REJOIN
1322 case RTM_IEEE80211_REJOIN:
1323 #endif
1324 join = (struct ieee80211_join_event *) &ifan[1];
1325 bsd_new_sta(drv, drv->ctx, join->iev_addr);
1326 break;
1327 case RTM_IEEE80211_REPLAY:
1328 /* ignore */
1329 break;
1330 case RTM_IEEE80211_MICHAEL:
1331 mic = (struct ieee80211_michael_event *) &ifan[1];
1332 wpa_printf(MSG_DEBUG,
1333 "Michael MIC failure wireless event: "
1334 "keyix=%u src_addr=" MACSTR, mic->iev_keyix,
1335 MAC2STR(mic->iev_src));
1336
1337 os_memset(&event, 0, sizeof(event));
1338 event.michael_mic_failure.unicast =
1339 !IEEE80211_IS_MULTICAST(mic->iev_dst);
1340 wpa_supplicant_event(drv->ctx,
1341 EVENT_MICHAEL_MIC_FAILURE, &event);
1342 break;
1343 }
1344 break;
1345 case RTM_IFINFO:
1346 ifm = (struct if_msghdr *) rtm;
1347 drv = bsd_get_drvindex(global, ifm->ifm_index);
1348 if (drv == NULL)
1349 return;
1350 if (((ifm->ifm_flags & IFF_UP) == 0 ||
1351 (ifm->ifm_flags & IFF_RUNNING) == 0) &&
1352 (drv->flags & IFF_UP) != 0 &&
1353 (drv->flags & IFF_RUNNING) != 0) {
1354 wpa_printf(MSG_DEBUG, "RTM_IFINFO: Interface '%s' DOWN",
1355 drv->ifname);
1356 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_DISABLED,
1357 NULL);
1358 } else if ((ifm->ifm_flags & IFF_UP) != 0 &&
1359 (ifm->ifm_flags & IFF_RUNNING) != 0 &&
1360 ((drv->flags & IFF_UP) == 0 ||
1361 (drv->flags & IFF_RUNNING) == 0)) {
1362 wpa_printf(MSG_DEBUG, "RTM_IFINFO: Interface '%s' UP",
1363 drv->ifname);
1364 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_ENABLED,
1365 NULL);
1366 }
1367 drv->flags = ifm->ifm_flags;
1368 break;
1369 }
1370 }
1371
1372 static void
wpa_driver_bsd_add_scan_entry(struct wpa_scan_results * res,struct ieee80211req_scan_result * sr)1373 wpa_driver_bsd_add_scan_entry(struct wpa_scan_results *res,
1374 struct ieee80211req_scan_result *sr)
1375 {
1376 struct wpa_scan_res *result, **tmp;
1377 size_t extra_len;
1378 u8 *pos;
1379
1380 extra_len = 2 + sr->isr_ssid_len;
1381 extra_len += 2 + sr->isr_nrates;
1382 extra_len += 3; /* ERP IE */
1383 extra_len += sr->isr_ie_len;
1384
1385 result = os_zalloc(sizeof(*result) + extra_len);
1386 if (result == NULL)
1387 return;
1388 os_memcpy(result->bssid, sr->isr_bssid, ETH_ALEN);
1389 result->freq = sr->isr_freq;
1390 result->beacon_int = sr->isr_intval;
1391 result->caps = sr->isr_capinfo;
1392 result->qual = sr->isr_rssi;
1393 result->noise = sr->isr_noise;
1394
1395 #ifdef __FreeBSD__
1396 /*
1397 * the rssi value reported by the kernel is in 0.5dB steps relative to
1398 * the reported noise floor. see ieee80211_node.h for details.
1399 */
1400 result->level = sr->isr_rssi / 2 + sr->isr_noise;
1401 #else
1402 result->level = sr->isr_rssi;
1403 #endif
1404
1405 pos = (u8 *)(result + 1);
1406
1407 *pos++ = WLAN_EID_SSID;
1408 *pos++ = sr->isr_ssid_len;
1409 os_memcpy(pos, sr + 1, sr->isr_ssid_len);
1410 pos += sr->isr_ssid_len;
1411
1412 /*
1413 * Deal all rates as supported rate.
1414 * Because net80211 doesn't report extended supported rate or not.
1415 */
1416 *pos++ = WLAN_EID_SUPP_RATES;
1417 *pos++ = sr->isr_nrates;
1418 os_memcpy(pos, sr->isr_rates, sr->isr_nrates);
1419 pos += sr->isr_nrates;
1420
1421 *pos++ = WLAN_EID_ERP_INFO;
1422 *pos++ = 1;
1423 *pos++ = sr->isr_erp;
1424
1425 #if defined(__DragonFly__) || defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
1426 os_memcpy(pos, (u8 *)(sr + 1) + sr->isr_ssid_len + sr->isr_meshid_len,
1427 sr->isr_ie_len);
1428 #else
1429 os_memcpy(pos, (u8 *)(sr + 1) + sr->isr_ssid_len, sr->isr_ie_len);
1430 #endif
1431 pos += sr->isr_ie_len;
1432
1433 result->ie_len = pos - (u8 *)(result + 1);
1434
1435 tmp = os_realloc_array(res->res, res->num + 1,
1436 sizeof(struct wpa_scan_res *));
1437 if (tmp == NULL) {
1438 os_free(result);
1439 return;
1440 }
1441 tmp[res->num++] = result;
1442 res->res = tmp;
1443 }
1444
1445 struct wpa_scan_results *
wpa_driver_bsd_get_scan_results2(void * priv)1446 wpa_driver_bsd_get_scan_results2(void *priv)
1447 {
1448 struct ieee80211req_scan_result *sr;
1449 struct wpa_scan_results *res;
1450 int len, rest;
1451 uint8_t buf[24*1024], *pos;
1452
1453 len = get80211var(priv, IEEE80211_IOC_SCAN_RESULTS, buf, 24*1024);
1454 if (len < 0)
1455 return NULL;
1456
1457 res = os_zalloc(sizeof(*res));
1458 if (res == NULL)
1459 return NULL;
1460
1461 pos = buf;
1462 rest = len;
1463 while (rest >= sizeof(struct ieee80211req_scan_result)) {
1464 sr = (struct ieee80211req_scan_result *)pos;
1465 wpa_driver_bsd_add_scan_entry(res, sr);
1466 pos += sr->isr_len;
1467 rest -= sr->isr_len;
1468 }
1469
1470 wpa_printf(MSG_DEBUG, "Received %d bytes of scan results (%lu BSSes)",
1471 len, (unsigned long)res->num);
1472
1473 return res;
1474 }
1475
wpa_driver_bsd_capa(struct bsd_driver_data * drv)1476 static int wpa_driver_bsd_capa(struct bsd_driver_data *drv)
1477 {
1478 #ifdef IEEE80211_IOC_DEVCAPS
1479 /* kernel definitions copied from net80211/ieee80211_var.h */
1480 #define IEEE80211_CIPHER_WEP 0
1481 #define IEEE80211_CIPHER_TKIP 1
1482 #define IEEE80211_CIPHER_AES_CCM 3
1483 #define IEEE80211_CRYPTO_WEP (1<<IEEE80211_CIPHER_WEP)
1484 #define IEEE80211_CRYPTO_TKIP (1<<IEEE80211_CIPHER_TKIP)
1485 #define IEEE80211_CRYPTO_AES_CCM (1<<IEEE80211_CIPHER_AES_CCM)
1486 #define IEEE80211_C_HOSTAP 0x00000400 /* CAPABILITY: HOSTAP avail */
1487 #define IEEE80211_C_WPA1 0x00800000 /* CAPABILITY: WPA1 avail */
1488 #define IEEE80211_C_WPA2 0x01000000 /* CAPABILITY: WPA2 avail */
1489 struct ieee80211_devcaps_req devcaps;
1490
1491 if (get80211var(drv, IEEE80211_IOC_DEVCAPS, &devcaps,
1492 sizeof(devcaps)) < 0) {
1493 wpa_printf(MSG_ERROR, "failed to IEEE80211_IOC_DEVCAPS: %s",
1494 strerror(errno));
1495 return -1;
1496 }
1497
1498 wpa_printf(MSG_DEBUG, "%s: drivercaps=0x%08x,cryptocaps=0x%08x",
1499 __func__, devcaps.dc_drivercaps, devcaps.dc_cryptocaps);
1500
1501 if (devcaps.dc_drivercaps & IEEE80211_C_WPA1)
1502 drv->capa.key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA |
1503 WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK;
1504 if (devcaps.dc_drivercaps & IEEE80211_C_WPA2)
1505 drv->capa.key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
1506 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK;
1507
1508 if (devcaps.dc_cryptocaps & IEEE80211_CRYPTO_WEP)
1509 drv->capa.enc |= WPA_DRIVER_CAPA_ENC_WEP40 |
1510 WPA_DRIVER_CAPA_ENC_WEP104;
1511 if (devcaps.dc_cryptocaps & IEEE80211_CRYPTO_TKIP)
1512 drv->capa.enc |= WPA_DRIVER_CAPA_ENC_TKIP;
1513 if (devcaps.dc_cryptocaps & IEEE80211_CRYPTO_AES_CCM)
1514 drv->capa.enc |= WPA_DRIVER_CAPA_ENC_CCMP;
1515
1516 if (devcaps.dc_drivercaps & IEEE80211_C_HOSTAP)
1517 drv->capa.flags |= WPA_DRIVER_FLAGS_AP;
1518 #undef IEEE80211_CIPHER_WEP
1519 #undef IEEE80211_CIPHER_TKIP
1520 #undef IEEE80211_CIPHER_AES_CCM
1521 #undef IEEE80211_CRYPTO_WEP
1522 #undef IEEE80211_CRYPTO_TKIP
1523 #undef IEEE80211_CRYPTO_AES_CCM
1524 #undef IEEE80211_C_HOSTAP
1525 #undef IEEE80211_C_WPA1
1526 #undef IEEE80211_C_WPA2
1527 #else /* IEEE80211_IOC_DEVCAPS */
1528 /* For now, assume TKIP, CCMP, WPA, WPA2 are supported */
1529 drv->capa.key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA |
1530 WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
1531 WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
1532 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK;
1533 drv->capa.enc = WPA_DRIVER_CAPA_ENC_WEP40 |
1534 WPA_DRIVER_CAPA_ENC_WEP104 |
1535 WPA_DRIVER_CAPA_ENC_TKIP |
1536 WPA_DRIVER_CAPA_ENC_CCMP;
1537 drv->capa.flags |= WPA_DRIVER_FLAGS_AP;
1538 #endif /* IEEE80211_IOC_DEVCAPS */
1539 #ifdef IEEE80211_IOC_SCAN_MAX_SSID
1540 drv->capa.max_scan_ssids = IEEE80211_IOC_SCAN_MAX_SSID;
1541 #else /* IEEE80211_IOC_SCAN_MAX_SSID */
1542 drv->capa.max_scan_ssids = 1;
1543 #endif /* IEEE80211_IOC_SCAN_MAX_SSID */
1544 drv->capa.auth = WPA_DRIVER_AUTH_OPEN |
1545 WPA_DRIVER_AUTH_SHARED |
1546 WPA_DRIVER_AUTH_LEAP;
1547 return 0;
1548 }
1549
1550 static enum ieee80211_opmode
get80211opmode(struct bsd_driver_data * drv)1551 get80211opmode(struct bsd_driver_data *drv)
1552 {
1553 struct ifmediareq ifmr;
1554
1555 (void) memset(&ifmr, 0, sizeof(ifmr));
1556 (void) os_strlcpy(ifmr.ifm_name, drv->ifname, sizeof(ifmr.ifm_name));
1557
1558 if (ioctl(drv->global->sock, SIOCGIFMEDIA, (caddr_t)&ifmr) >= 0) {
1559 if (ifmr.ifm_current & IFM_IEEE80211_ADHOC) {
1560 if (ifmr.ifm_current & IFM_FLAG0)
1561 return IEEE80211_M_AHDEMO;
1562 else
1563 return IEEE80211_M_IBSS;
1564 }
1565 if (ifmr.ifm_current & IFM_IEEE80211_HOSTAP)
1566 return IEEE80211_M_HOSTAP;
1567 if (ifmr.ifm_current & IFM_IEEE80211_MONITOR)
1568 return IEEE80211_M_MONITOR;
1569 #ifdef IEEE80211_M_MBSS
1570 if (ifmr.ifm_current & IFM_IEEE80211_MBSS)
1571 return IEEE80211_M_MBSS;
1572 #endif /* IEEE80211_M_MBSS */
1573 }
1574 return IEEE80211_M_STA;
1575 }
1576
1577 static void *
wpa_driver_bsd_init(void * ctx,const char * ifname,void * priv)1578 wpa_driver_bsd_init(void *ctx, const char *ifname, void *priv)
1579 {
1580 #define GETPARAM(drv, param, v) \
1581 (((v) = get80211param(drv, param)) != -1)
1582 struct bsd_driver_data *drv;
1583
1584 drv = os_zalloc(sizeof(*drv));
1585 if (drv == NULL)
1586 return NULL;
1587
1588 /*
1589 * NB: We require the interface name be mappable to an index.
1590 * This implies we do not support having wpa_supplicant
1591 * wait for an interface to appear. This seems ok; that
1592 * doesn't belong here; it's really the job of devd.
1593 */
1594 drv->ifindex = if_nametoindex(ifname);
1595 if (drv->ifindex == 0) {
1596 wpa_printf(MSG_DEBUG, "%s: interface %s does not exist",
1597 __func__, ifname);
1598 goto fail;
1599 }
1600
1601 drv->ctx = ctx;
1602 drv->global = priv;
1603 os_strlcpy(drv->ifname, ifname, sizeof(drv->ifname));
1604
1605 if (!GETPARAM(drv, IEEE80211_IOC_ROAMING, drv->prev_roaming)) {
1606 wpa_printf(MSG_DEBUG, "%s: failed to get roaming state: %s",
1607 __func__, strerror(errno));
1608 goto fail;
1609 }
1610 if (!GETPARAM(drv, IEEE80211_IOC_PRIVACY, drv->prev_privacy)) {
1611 wpa_printf(MSG_DEBUG, "%s: failed to get privacy state: %s",
1612 __func__, strerror(errno));
1613 goto fail;
1614 }
1615 if (!GETPARAM(drv, IEEE80211_IOC_WPA, drv->prev_wpa)) {
1616 wpa_printf(MSG_DEBUG, "%s: failed to get wpa state: %s",
1617 __func__, strerror(errno));
1618 goto fail;
1619 }
1620
1621 if (wpa_driver_bsd_capa(drv))
1622 goto fail;
1623
1624 /* Down interface during setup. */
1625 if (bsd_ctrl_iface(drv, 0) < 0)
1626 goto fail;
1627
1628 drv->opmode = get80211opmode(drv);
1629 dl_list_add(&drv->global->ifaces, &drv->list);
1630
1631 return drv;
1632 fail:
1633 os_free(drv);
1634 return NULL;
1635 #undef GETPARAM
1636 }
1637
1638 static void
wpa_driver_bsd_deinit(void * priv)1639 wpa_driver_bsd_deinit(void *priv)
1640 {
1641 struct bsd_driver_data *drv = priv;
1642
1643 if (drv->ifindex != 0 && !drv->if_removed) {
1644 wpa_driver_bsd_set_wpa(drv, 0);
1645
1646 /* NB: mark interface down */
1647 bsd_ctrl_iface(drv, 0);
1648
1649 wpa_driver_bsd_set_wpa_internal(drv, drv->prev_wpa,
1650 drv->prev_privacy);
1651
1652 if (set80211param(drv, IEEE80211_IOC_ROAMING, drv->prev_roaming)
1653 < 0)
1654 wpa_printf(MSG_DEBUG,
1655 "%s: failed to restore roaming state",
1656 __func__);
1657 }
1658
1659 if (drv->sock_xmit != NULL)
1660 l2_packet_deinit(drv->sock_xmit);
1661 dl_list_del(&drv->list);
1662 os_free(drv);
1663 }
1664
1665 static int
wpa_driver_bsd_get_capa(void * priv,struct wpa_driver_capa * capa)1666 wpa_driver_bsd_get_capa(void *priv, struct wpa_driver_capa *capa)
1667 {
1668 struct bsd_driver_data *drv = priv;
1669
1670 os_memcpy(capa, &drv->capa, sizeof(*capa));
1671 return 0;
1672 }
1673 #endif /* HOSTAPD */
1674
1675 static void *
bsd_global_init(void * ctx)1676 bsd_global_init(void *ctx)
1677 {
1678 struct bsd_driver_global *global;
1679
1680 global = os_zalloc(sizeof(*global));
1681 if (global == NULL)
1682 return NULL;
1683
1684 global->ctx = ctx;
1685 dl_list_init(&global->ifaces);
1686
1687 global->sock = socket(PF_INET, SOCK_DGRAM, 0);
1688 if (global->sock < 0) {
1689 wpa_printf(MSG_ERROR, "socket[PF_INET,SOCK_DGRAM]: %s",
1690 strerror(errno));
1691 goto fail1;
1692 }
1693
1694 global->route = socket(PF_ROUTE, SOCK_RAW, 0);
1695 if (global->route < 0) {
1696 wpa_printf(MSG_ERROR, "socket[PF_ROUTE,SOCK_RAW]: %s",
1697 strerror(errno));
1698 goto fail;
1699 }
1700
1701 global->event_buf_len = rtbuf_len();
1702 global->event_buf = os_malloc(global->event_buf_len);
1703 if (global->event_buf == NULL) {
1704 wpa_printf(MSG_ERROR, "%s: os_malloc() failed", __func__);
1705 goto fail;
1706 }
1707
1708 #ifdef HOSTAPD
1709 eloop_register_read_sock(global->route, bsd_wireless_event_receive,
1710 NULL, global);
1711
1712 #else /* HOSTAPD */
1713 eloop_register_read_sock(global->route, wpa_driver_bsd_event_receive,
1714 NULL, global);
1715 #endif /* HOSTAPD */
1716
1717 return global;
1718
1719 fail:
1720 close(global->sock);
1721 fail1:
1722 os_free(global);
1723 return NULL;
1724 }
1725
1726 static void
bsd_global_deinit(void * priv)1727 bsd_global_deinit(void *priv)
1728 {
1729 struct bsd_driver_global *global = priv;
1730
1731 eloop_unregister_read_sock(global->route);
1732 (void) close(global->route);
1733 (void) close(global->sock);
1734 os_free(global);
1735 }
1736
1737
1738 const struct wpa_driver_ops wpa_driver_bsd_ops = {
1739 .name = "bsd",
1740 .desc = "BSD 802.11 support",
1741 .global_init = bsd_global_init,
1742 .global_deinit = bsd_global_deinit,
1743 #ifdef HOSTAPD
1744 .hapd_init = bsd_init,
1745 .hapd_deinit = bsd_deinit,
1746 .set_privacy = bsd_set_privacy,
1747 .get_seqnum = bsd_get_seqnum,
1748 .flush = bsd_flush,
1749 .read_sta_data = bsd_read_sta_driver_data,
1750 .sta_disassoc = bsd_sta_disassoc,
1751 .sta_deauth = bsd_sta_deauth,
1752 .sta_set_flags = bsd_set_sta_authorized,
1753 .commit = bsd_commit,
1754 #else /* HOSTAPD */
1755 .init2 = wpa_driver_bsd_init,
1756 .deinit = wpa_driver_bsd_deinit,
1757 .get_bssid = wpa_driver_bsd_get_bssid,
1758 .get_ssid = wpa_driver_bsd_get_ssid,
1759 .set_countermeasures = wpa_driver_bsd_set_countermeasures,
1760 .scan2 = wpa_driver_bsd_scan,
1761 .get_scan_results2 = wpa_driver_bsd_get_scan_results2,
1762 .deauthenticate = wpa_driver_bsd_deauthenticate,
1763 .associate = wpa_driver_bsd_associate,
1764 .get_capa = wpa_driver_bsd_get_capa,
1765 #endif /* HOSTAPD */
1766 .set_freq = bsd_set_freq,
1767 .set_key = bsd_set_key,
1768 .set_ieee8021x = bsd_set_ieee8021x,
1769 .hapd_set_ssid = bsd_set_ssid,
1770 .hapd_get_ssid = bsd_get_ssid,
1771 .hapd_send_eapol = bsd_send_eapol,
1772 .set_generic_elem = bsd_set_opt_ie,
1773 };
1774