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driver_bsd.c: Enable AP mode wpa_supplicant
[thirdparty/hostap.git] / src / drivers / driver_bsd.c
CommitLineData
6fc6879b
JM		 1/*
2 * WPA Supplicant - driver interaction with BSD net80211 layer
3 * Copyright (c) 2004, Sam Leffler <sam@errno.com>
c5121837 4 * Copyright (c) 2004, 2Wire, Inc
6fc6879b
JM		 5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 *
10 * Alternatively, this software may be distributed under the terms of BSD
11 * license.
12 *
13 * See README and COPYING for more details.
14 */
15
16#include "includes.h"
17#include <sys/ioctl.h>
18
19#include "common.h"
20#include "driver.h"
21#include "eloop.h"
90973fb2 22#include "common/ieee802_11_defs.h"
6fc6879b
JM		 23
24#include <net/if.h>
5197244a 25#include <net/if_media.h>
898d6921
JR		 26
27#ifdef __NetBSD__
28#include <net/if_ether.h>
898d6921 29#else
6fc6879b 30#include <net/ethernet.h>
898d6921 31#endif
131289d8 32#include <net/route.h>
6fc6879b 33
9b336bce
MH		 34#ifdef __DragonFly__
35#include <netproto/802_11/ieee80211_ioctl.h>
36#include <netproto/802_11/ieee80211_dragonfly.h>
37#else /* __DragonFly__ */
6fc6879b 38#include <net80211/ieee80211.h>
6fc6879b 39#include <net80211/ieee80211_ioctl.h>
c610dba1 40#include <net80211/ieee80211_crypto.h>
9b336bce 41#endif /* __DragonFly__ */
131289d8
MH		 42#if __FreeBSD__
43#include <net80211/ieee80211_freebsd.h>
44#endif
45#if __NetBSD__
46#include <net80211/ieee80211_netbsd.h>
47#endif
48
42f34a9b
MH		 49#include "l2_packet/l2_packet.h"
50
66d4085f
RM		 51/* Generic functions for hostapd and wpa_supplicant */
52
53static int
54bsd_set80211var(int s, const char *ifname, int op, const void *arg, int arg_len)
55{
56 struct ieee80211req ireq;
57
58 os_memset(&ireq, 0, sizeof(ireq));
59 os_strlcpy(ireq.i_name, ifname, sizeof(ireq.i_name));
60 ireq.i_type = op;
61 ireq.i_len = arg_len;
62 ireq.i_data = (void *) arg;
63
64 if (ioctl(s, SIOCS80211, &ireq) < 0) {
65 fprintf(stderr, "ioctl[SIOCS80211, op %u, len %u]: %s\n",
66 op, arg_len, strerror(errno));
67 return -1;
68 }
69 return 0;
70}
71
72static int
73bsd_get80211var(int s, const char *ifname, int op, void *arg, int arg_len)
74{
75 struct ieee80211req ireq;
76
77 os_memset(&ireq, 0, sizeof(ireq));
78 os_strlcpy(ireq.i_name, ifname, sizeof(ireq.i_name));
79 ireq.i_type = op;
80 ireq.i_len = arg_len;
81 ireq.i_data = arg;
82
83 if (ioctl(s, SIOCG80211, &ireq) < 0) {
84 fprintf(stderr, "ioctl[SIOCG80211, op %u, len %u]: %s\n",
85 op, arg_len, strerror(errno));
86 return -1;
87 }
88 return ireq.i_len;
89}
90
91static int
92bsd_set80211param(int s, const char *ifname, int op, int arg)
93{
94 struct ieee80211req ireq;
95
96 os_memset(&ireq, 0, sizeof(ireq));
97 os_strlcpy(ireq.i_name, ifname, sizeof(ireq.i_name));
98 ireq.i_type = op;
99 ireq.i_val = arg;
100
101 if (ioctl(s, SIOCS80211, &ireq) < 0) {
102 fprintf(stderr, "ioctl[SIOCS80211, op %u, arg 0x%x]: %s\n",
103 op, arg, strerror(errno));
104 return -1;
105 }
106 return 0;
107}
108
109static int
110bsd_get_ssid(int s, const char *ifname, u8 *ssid)
111{
112#ifdef SIOCG80211NWID
113 struct ieee80211_nwid nwid;
114 struct ifreq ifr;
115
116 os_memset(&ifr, 0, sizeof(ifr));
117 os_strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
118 ifr.ifr_data = (void *)&nwid;
119 if (ioctl(s, SIOCG80211NWID, &ifr) < 0 ||
120 nwid.i_len > IEEE80211_NWID_LEN)
121 return -1;
122 os_memcpy(ssid, nwid.i_nwid, nwid.i_len);
123 return nwid.i_len;
124#else
125 return bsd_get80211var(s, ifname, IEEE80211_IOC_SSID,
126 ssid, IEEE80211_NWID_LEN);
127#endif
128}
129
130static int
131bsd_set_ssid(int s, const char *ifname, const u8 *ssid, size_t ssid_len)
132{
133#ifdef SIOCS80211NWID
134 struct ieee80211_nwid nwid;
135 struct ifreq ifr;
136
137 os_memcpy(nwid.i_nwid, ssid, ssid_len);
138 nwid.i_len = ssid_len;
139 os_memset(&ifr, 0, sizeof(ifr));
140 os_strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
141 ifr.ifr_data = (void *)&nwid;
142 return ioctl(s, SIOCS80211NWID, &ifr);
143#else
144 return bsd_set80211var(s, ifname, IEEE80211_IOC_SSID, ssid, ssid_len);
145#endif
146}
147
5197244a
MH		 148static int
149bsd_get_if_media(int s, const char *ifname)
150{
151 struct ifmediareq ifmr;
152
153 os_memset(&ifmr, 0, sizeof(ifmr));
154 os_strlcpy(ifmr.ifm_name, ifname, sizeof(ifmr.ifm_name));
155
156 if (ioctl(s, SIOCGIFMEDIA, &ifmr) < 0) {
157 wpa_printf(MSG_ERROR, "%s: SIOCGIFMEDIA %s", __func__,
158 strerror(errno));
159 return -1;
160 }
161
162 return ifmr.ifm_current;
163}
164
165static int
166bsd_set_if_media(int s, const char *ifname, int media)
167{
168 struct ifreq ifr;
169
170 os_memset(&ifr, 0, sizeof(ifr));
171 os_strlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
172 ifr.ifr_media = media;
173
174 if (ioctl(s, SIOCSIFMEDIA, &ifr) < 0) {
175 wpa_printf(MSG_ERROR, "%s: SIOCSIFMEDIA %s", __func__,
176 strerror(errno));
177 return -1;
178 }
179
180 return 0;
181}
182
183static int
184bsd_set_mediaopt(int s, const char *ifname, uint32_t mask, uint32_t mode)
185{
186 int media = bsd_get_if_media(s, ifname);
187
188 if (media < 0)
189 return -1;
190 media &= ~mask;
191 media |= mode;
192 if (bsd_set_if_media(s, ifname, media) < 0)
193 return -1;
194 return 0;
195}
196
cbdecd2b
MH		 197static int
198bsd_del_key(int s, const char *ifname, const u8 *addr, int key_idx)
199{
200 struct ieee80211req_del_key wk;
201
202 os_memset(&wk, 0, sizeof(wk));
203 if (addr == NULL) {
204 wpa_printf(MSG_DEBUG, "%s: key_idx=%d", __func__, key_idx);
205 wk.idk_keyix = key_idx;
206 } else {
207 wpa_printf(MSG_DEBUG, "%s: addr=" MACSTR, __func__,
208 MAC2STR(addr));
209 os_memcpy(wk.idk_macaddr, addr, IEEE80211_ADDR_LEN);
210 wk.idk_keyix = (u_int8_t) IEEE80211_KEYIX_NONE; /* XXX */
211 }
212
213 return bsd_set80211var(s, ifname, IEEE80211_IOC_DELKEY, &wk,
214 sizeof(wk));
215}
216
fa6b8afe
MH		 217static int
218bsd_send_mlme_param(int s, const char *ifname, const u8 op, const u16 reason,
219 const u8 *addr)
220{
221 struct ieee80211req_mlme mlme;
222
223 os_memset(&mlme, 0, sizeof(mlme));
224 mlme.im_op = op;
225 mlme.im_reason = reason;
226 os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
227 return bsd_set80211var(s, ifname, IEEE80211_IOC_MLME, &mlme,
228 sizeof(mlme));
229}
230
60bc3033
MH		 231static int
232bsd_ctrl_iface(int s, const char *ifname, int enable)
233{
234 struct ifreq ifr;
235
236 os_memset(&ifr, 0, sizeof(ifr));
237 os_strlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
238
239 if (ioctl(s, SIOCGIFFLAGS, &ifr) < 0) {
240 perror("ioctl[SIOCGIFFLAGS]");
241 return -1;
242 }
243
244 if (enable)
245 ifr.ifr_flags |= IFF_UP;
246 else
247 ifr.ifr_flags &= ~IFF_UP;
248
249 if (ioctl(s, SIOCSIFFLAGS, &ifr) < 0) {
250 perror("ioctl[SIOCSIFFLAGS]");
251 return -1;
252 }
253
254 return 0;
255}
256
719196b1
MH		 257static int
258bsd_set_key(int s, const char *ifname, enum wpa_alg alg,
259 const unsigned char *addr, int key_idx, int set_tx, const u8 *seq,
260 size_t seq_len, const u8 *key, size_t key_len)
261{
262 struct ieee80211req_key wk;
263
264 wpa_printf(MSG_DEBUG, "%s: alg=%d addr=%p key_idx=%d set_tx=%d "
265 "seq_len=%zu key_len=%zu", __func__, alg, addr, key_idx,
266 set_tx, seq_len, key_len);
267
268 os_memset(&wk, 0, sizeof(wk));
269 switch (alg) {
270 case WPA_ALG_WEP:
271 wk.ik_type = IEEE80211_CIPHER_WEP;
272 break;
273 case WPA_ALG_TKIP:
274 wk.ik_type = IEEE80211_CIPHER_TKIP;
275 break;
276 case WPA_ALG_CCMP:
277 wk.ik_type = IEEE80211_CIPHER_AES_CCM;
278 break;
279 default:
280 wpa_printf(MSG_ERROR, "%s: unknown alg=%d", __func__, alg);
281 return -1;
282 }
283
284 wk.ik_flags = IEEE80211_KEY_RECV;
285 if (set_tx)
286 wk.ik_flags |= IEEE80211_KEY_XMIT;
287
288 if (addr == NULL) {
289 os_memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN);
290 wk.ik_keyix = key_idx;
291 } else {
292 os_memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
293 /*
294 * Deduce whether group/global or unicast key by checking
295 * the address (yech). Note also that we can only mark global
296 * keys default; doing this for a unicast key is an error.
297 */
298 if (os_memcmp(addr, "\xff\xff\xff\xff\xff\xff",
299 IEEE80211_ADDR_LEN) == 0) {
300 wk.ik_flags |= IEEE80211_KEY_GROUP;
301 wk.ik_keyix = key_idx;
302 } else {
303 wk.ik_keyix = key_idx == 0 ? IEEE80211_KEYIX_NONE :
304 key_idx;
305 }
306 }
307 if (wk.ik_keyix != IEEE80211_KEYIX_NONE && set_tx)
308 wk.ik_flags |= IEEE80211_KEY_DEFAULT;
309 wk.ik_keylen = key_len;
310 os_memcpy(&wk.ik_keyrsc, seq, seq_len);
311 os_memcpy(wk.ik_keydata, key, key_len);
312
313 return bsd_set80211var(s, ifname, IEEE80211_IOC_WPAKEY, &wk,
314 sizeof(wk));
315}
316
c5121837 317static int
42f34a9b 318bsd_configure_wpa(int s, const char *ifname, struct wpa_bss_params *params)
c5121837
JM		 319{
320 static const char *ciphernames[] =
321 { "WEP", "TKIP", "AES-OCB", "AES-CCM", "CKIP", "NONE" };
c5121837
JM		 322 int v;
323
af586419 324 switch (params->wpa_group) {
c5121837
JM		 325 case WPA_CIPHER_CCMP:
326 v = IEEE80211_CIPHER_AES_CCM;
327 break;
328 case WPA_CIPHER_TKIP:
329 v = IEEE80211_CIPHER_TKIP;
330 break;
331 case WPA_CIPHER_WEP104:
332 v = IEEE80211_CIPHER_WEP;
333 break;
334 case WPA_CIPHER_WEP40:
335 v = IEEE80211_CIPHER_WEP;
336 break;
337 case WPA_CIPHER_NONE:
338 v = IEEE80211_CIPHER_NONE;
339 break;
340 default:
341 printf("Unknown group key cipher %u\n",
af586419 342 params->wpa_group);
c5121837
JM		 343 return -1;
344 }
345 wpa_printf(MSG_DEBUG, "%s: group key cipher=%s (%u)",
346 __func__, ciphernames[v], v);
42f34a9b 347 if (bsd_set80211param(s, ifname, IEEE80211_IOC_MCASTCIPHER, v)) {
c5121837
JM		 348 printf("Unable to set group key cipher to %u (%s)\n",
349 v, ciphernames[v]);
350 return -1;
351 }
352 if (v == IEEE80211_CIPHER_WEP) {
353 /* key length is done only for specific ciphers */
af586419 354 v = (params->wpa_group == WPA_CIPHER_WEP104 ? 13 : 5);
42f34a9b
MH		 355 if (bsd_set80211param(s, ifname, IEEE80211_IOC_MCASTKEYLEN,
356 v)) {
c5121837
JM		 357 printf("Unable to set group key length to %u\n", v);
358 return -1;
359 }
360 }
361
362 v = 0;
af586419 363 if (params->wpa_pairwise & WPA_CIPHER_CCMP)
c5121837 364 v |= 1<<IEEE80211_CIPHER_AES_CCM;
af586419 365 if (params->wpa_pairwise & WPA_CIPHER_TKIP)
c5121837 366 v |= 1<<IEEE80211_CIPHER_TKIP;
af586419 367 if (params->wpa_pairwise & WPA_CIPHER_NONE)
c5121837
JM		 368 v |= 1<<IEEE80211_CIPHER_NONE;
369 wpa_printf(MSG_DEBUG, "%s: pairwise key ciphers=0x%x", __func__, v);
42f34a9b 370 if (bsd_set80211param(s, ifname, IEEE80211_IOC_UCASTCIPHERS, v)) {
c5121837
JM		 371 printf("Unable to set pairwise key ciphers to 0x%x\n", v);
372 return -1;
373 }
374
375 wpa_printf(MSG_DEBUG, "%s: key management algorithms=0x%x",
af586419 376 __func__, params->wpa_key_mgmt);
42f34a9b 377 if (bsd_set80211param(s, ifname, IEEE80211_IOC_KEYMGTALGS, params->wpa_key_mgmt))
af586419 378 {
c5121837 379 printf("Unable to set key management algorithms to 0x%x\n",
af586419 380 params->wpa_key_mgmt);
c5121837
JM		 381 return -1;
382 }
383
384 v = 0;
af586419 385 if (params->rsn_preauth)
c5121837
JM		 386 v |= BIT(0);
387 wpa_printf(MSG_DEBUG, "%s: rsn capabilities=0x%x",
af586419 388 __func__, params->rsn_preauth);
42f34a9b 389 if (bsd_set80211param(s, ifname, IEEE80211_IOC_RSNCAPS, v)) {
c5121837
JM		 390 printf("Unable to set RSN capabilities to 0x%x\n", v);
391 return -1;
392 }
393
af586419 394 wpa_printf(MSG_DEBUG, "%s: enable WPA= 0x%x", __func__, params->wpa);
42f34a9b 395 if (bsd_set80211param(s, ifname, IEEE80211_IOC_WPA, params->wpa)) {
af586419 396 printf("Unable to set WPA to %u\n", params->wpa);
c5121837
JM		 397 return -1;
398 }
399 return 0;
400}
401
c5121837 402static int
42f34a9b 403bsd_set_ieee8021x(int s, const char *ifname, struct wpa_bss_params *params)
c5121837 404{
af586419 405 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, params->enabled);
c5121837 406
af586419 407 if (!params->enabled) {
c5121837 408 /* XXX restore state */
42f34a9b 409 return bsd_set80211param(s, ifname, IEEE80211_IOC_AUTHMODE,
c5121837
JM		 410 IEEE80211_AUTH_AUTO);
411 }
af586419 412 if (!params->wpa && !params->ieee802_1x) {
42f34a9b
MH		 413 wpa_printf(MSG_ERROR, "%s: No 802.1X or WPA enabled",
414 __func__);
c5121837
JM		 415 return -1;
416 }
42f34a9b
MH		 417 if (params->wpa && bsd_configure_wpa(s, ifname, params) != 0) {
418 wpa_printf(MSG_ERROR, "%s: Failed to configure WPA state",
419 __func__);
c5121837
JM		 420 return -1;
421 }
42f34a9b 422 if (bsd_set80211param(s, ifname, IEEE80211_IOC_AUTHMODE,
af586419 423 (params->wpa ? IEEE80211_AUTH_WPA : IEEE80211_AUTH_8021X))) {
42f34a9b
MH		 424 wpa_printf(MSG_ERROR, "%s: Failed to enable WPA/802.1X",
425 __func__);
c5121837
JM		 426 return -1;
427 }
42f34a9b 428 return bsd_ctrl_iface(s, ifname, 1);
c5121837
JM		 429}
430
431static int
42f34a9b
MH		 432bsd_set_sta_authorized(int s, const char *ifname, const u8 *addr,
433 int total_flags, int flags_or, int flags_and)
c5121837 434{
42f34a9b 435 int authorized = -1;
c5121837 436
42f34a9b
MH		 437 /* For now, only support setting Authorized flag */
438 if (flags_or & WPA_STA_AUTHORIZED)
439 authorized = 1;
440 if (!(flags_and & WPA_STA_AUTHORIZED))
441 authorized = 0;
c5121837 442
42f34a9b
MH		 443 if (authorized < 0)
444 return 0;
445
446 return bsd_send_mlme_param(s, ifname, authorized ?
447 IEEE80211_MLME_AUTHORIZE :
448 IEEE80211_MLME_UNAUTHORIZE, 0, addr);
449}
450
451static void
452bsd_new_sta(int s, const char *ifname, void *ctx, u8 addr[IEEE80211_ADDR_LEN])
453{
454 struct ieee80211req_wpaie ie;
455 int ielen = 0;
456 u8 *iebuf = NULL;
457
458 /*
459 * Fetch and validate any negotiated WPA/RSN parameters.
460 */
461 memset(&ie, 0, sizeof(ie));
462 memcpy(ie.wpa_macaddr, addr, IEEE80211_ADDR_LEN);
463 if (bsd_get80211var(s, ifname, IEEE80211_IOC_WPAIE,
464 &ie, sizeof(ie)) < 0) {
465 printf("Failed to get WPA/RSN information element.\n");
466 goto no_ie;
467 }
468 iebuf = ie.wpa_ie;
469 ielen = ie.wpa_ie[1];
470 if (ielen == 0)
471 iebuf = NULL;
472 else
473 ielen += 2;
474
475no_ie:
476 drv_event_assoc(ctx, addr, iebuf, ielen);
477}
478
479static int
480bsd_send_eapol(struct l2_packet_data *sock_xmit, const u8 *addr,
481 const u8 *data, size_t data_len)
482{
483 wpa_hexdump(MSG_MSGDUMP, "TX EAPOL", data, data_len);
484
485 return l2_packet_send(sock_xmit, addr, ETH_P_EAPOL, data, data_len);
c5121837
JM		 486}
487
488static int
42f34a9b
MH		 489bsd_set_freq(int s, const char *ifname, u16 channel)
490{
491 struct ieee80211chanreq creq;
492 u32 mode;
493
494 if (channel < 14)
495 mode = IFM_IEEE80211_11G;
496 else if (channel == 14)
497 mode = IFM_IEEE80211_11B;
498 else
499 mode = IFM_IEEE80211_11A;
500 if (bsd_set_mediaopt(s, ifname, IFM_MMASK, mode) < 0) {
501 wpa_printf(MSG_ERROR, "%s: failed to set modulation mode",
502 __func__);
503 return -1;
504 }
505
506 os_memset(&creq, 0, sizeof(creq));
507 os_strlcpy(creq.i_name, ifname, sizeof(creq.i_name));
508 creq.i_channel = channel;
509 return ioctl(s, SIOCS80211CHANNEL, &creq);
510}
511
512
513#ifdef HOSTAPD
514
515/*
516 * Avoid conflicts with hostapd definitions by undefining couple of defines
517 * from net80211 header files.
518 */
519#undef RSN_VERSION
520#undef WPA_VERSION
521#undef WPA_OUI_TYPE
522
523struct bsd_driver_data {
524 struct hostapd_data *hapd; /* back pointer */
525
526 char iface[IFNAMSIZ + 1];
527 struct l2_packet_data *sock_xmit; /* raw packet xmit socket */
528 int ioctl_sock; /* socket for ioctl() use */
529 int wext_sock; /* socket for wireless events */
530};
531
532static int bsd_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
533 int reason_code);
534
535static int
536get80211var(struct bsd_driver_data *drv, int op, void *arg, int arg_len)
537{
538 return bsd_get80211var(drv->ioctl_sock, drv->iface, op, arg, arg_len);
539}
540
541static int
542set80211param(struct bsd_driver_data *drv, int op, int arg)
543{
544 return bsd_set80211param(drv->ioctl_sock, drv->iface, op, arg);
545}
546
547static const char *
548ether_sprintf(const u8 *addr)
549{
550 static char buf[sizeof(MACSTR)];
551
552 if (addr != NULL)
553 snprintf(buf, sizeof(buf), MACSTR, MAC2STR(addr));
554 else
555 snprintf(buf, sizeof(buf), MACSTR, 0,0,0,0,0,0);
556 return buf;
557}
558
559static int
560hostapd_bsd_ctrl_iface(struct bsd_driver_data *drv, int enable)
561{
562 return bsd_ctrl_iface(drv->ioctl_sock, drv->iface, enable);
563}
564
565static int
566bsd_set_privacy(const char *ifname, void *priv, int enabled)
c5121837
JM		 567{
568 struct bsd_driver_data *drv = priv;
c5121837 569
42f34a9b
MH		 570 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled);
571
572 return set80211param(drv, IEEE80211_IOC_PRIVACY, enabled);
c5121837
JM		 573}
574
575static int
42f34a9b
MH		 576hostapd_bsd_sta_set_flags(void *priv, const u8 *addr, int total_flags,
577 int flags_or, int flags_and)
c5121837 578{
42f34a9b
MH		 579 struct bsd_driver_data *drv = priv;
580
581 return bsd_set_sta_authorized(drv->ioctl_sock, drv->iface, addr,
582 total_flags, flags_or, flags_and);
c5121837
JM		 583}
584
c5121837 585static int
719196b1 586hostapd_bsd_set_key(const char *ifname, void *priv, enum wpa_alg alg,
c5121837
JM		 587 const u8 *addr, int key_idx, int set_tx, const u8 *seq,
588 size_t seq_len, const u8 *key, size_t key_len)
589{
590 struct bsd_driver_data *drv = priv;
c5121837
JM		 591
592 if (alg == WPA_ALG_NONE)
cbdecd2b 593 return bsd_del_key(drv->ioctl_sock, drv->iface, addr, key_idx);
c5121837 594
719196b1
MH		 595 return bsd_set_key(drv->ioctl_sock, drv->iface, alg, addr, key_idx,
596 set_tx, seq, seq_len, key, key_len);
c5121837
JM		 597}
598
599
600static int
601bsd_get_seqnum(const char *ifname, void *priv, const u8 *addr, int idx,
602 u8 *seq)
603{
604 struct bsd_driver_data *drv = priv;
605 struct ieee80211req_key wk;
606
607 wpa_printf(MSG_DEBUG, "%s: addr=%s idx=%d",
608 __func__, ether_sprintf(addr), idx);
609
610 memset(&wk, 0, sizeof(wk));
611 if (addr == NULL)
612 memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN);
613 else
614 memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
615 wk.ik_keyix = idx;
616
617 if (get80211var(drv, IEEE80211_IOC_WPAKEY, &wk, sizeof(wk)) < 0) {
618 printf("Failed to get encryption.\n");
619 return -1;
620 }
621
622#ifdef WORDS_BIGENDIAN
623 {
624 /*
625 * wk.ik_keytsc is in host byte order (big endian), need to
626 * swap it to match with the byte order used in WPA.
627 */
628 int i;
629 u8 tmp[WPA_KEY_RSC_LEN];
630 memcpy(tmp, &wk.ik_keytsc, sizeof(wk.ik_keytsc));
631 for (i = 0; i < WPA_KEY_RSC_LEN; i++) {
632 seq[i] = tmp[WPA_KEY_RSC_LEN - i - 1];
633 }
634 }
635#else /* WORDS_BIGENDIAN */
636 memcpy(seq, &wk.ik_keytsc, sizeof(wk.ik_keytsc));
637#endif /* WORDS_BIGENDIAN */
638 return 0;
639}
640
641
642static int
643bsd_flush(void *priv)
644{
645 u8 allsta[IEEE80211_ADDR_LEN];
646
647 memset(allsta, 0xff, IEEE80211_ADDR_LEN);
731723a5 648 return bsd_sta_deauth(priv, NULL, allsta, IEEE80211_REASON_AUTH_LEAVE);
c5121837
JM		 649}
650
651
652static int
653bsd_read_sta_driver_data(void *priv, struct hostap_sta_driver_data *data,
654 const u8 *addr)
655{
656 struct bsd_driver_data *drv = priv;
657 struct ieee80211req_sta_stats stats;
658
659 memcpy(stats.is_u.macaddr, addr, IEEE80211_ADDR_LEN);
660 if (get80211var(drv, IEEE80211_IOC_STA_STATS, &stats, sizeof(stats)) > 0) {
661 /* XXX? do packets counts include non-data frames? */
662 data->rx_packets = stats.is_stats.ns_rx_data;
663 data->rx_bytes = stats.is_stats.ns_rx_bytes;
664 data->tx_packets = stats.is_stats.ns_tx_data;
665 data->tx_bytes = stats.is_stats.ns_tx_bytes;
666 }
667 return 0;
668}
669
670static int
671bsd_set_opt_ie(const char *ifname, void *priv, const u8 *ie, size_t ie_len)
672{
673 /*
674 * Do nothing; we setup parameters at startup that define the
675 * contents of the beacon information element.
676 */
677 return 0;
678}
679
680static int
731723a5 681bsd_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr, int reason_code)
c5121837
JM		 682{
683 struct bsd_driver_data *drv = priv;
c5121837 684
fa6b8afe
MH		 685 return bsd_send_mlme_param(drv->ioctl_sock, drv->iface,
686 IEEE80211_MLME_DEAUTH, reason_code, addr);
c5121837
JM		 687}
688
689static int
731723a5
JM		 690bsd_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
691 int reason_code)
c5121837
JM		 692{
693 struct bsd_driver_data *drv = priv;
c5121837 694
fa6b8afe
MH		 695 return bsd_send_mlme_param(drv->ioctl_sock, drv->iface,
696 IEEE80211_MLME_DISASSOC, reason_code, addr);
c5121837
JM		 697}
698
c5121837
JM		 699static void
700bsd_wireless_event_receive(int sock, void *ctx, void *sock_ctx)
701{
702 struct bsd_driver_data *drv = ctx;
c5121837
JM		 703 char buf[2048];
704 struct if_announcemsghdr *ifan;
705 struct rt_msghdr *rtm;
706 struct ieee80211_michael_event *mic;
707 struct ieee80211_join_event *join;
708 struct ieee80211_leave_event *leave;
709 int n;
1cd973d5 710 union wpa_event_data data;
c5121837
JM		 711
712 n = read(sock, buf, sizeof(buf));
713 if (n < 0) {
714 if (errno != EINTR && errno != EAGAIN)
715 perror("read(PF_ROUTE)");
716 return;
717 }
718
719 rtm = (struct rt_msghdr *) buf;
720 if (rtm->rtm_version != RTM_VERSION) {
721 wpa_printf(MSG_DEBUG, "Routing message version %d not "
722 "understood\n", rtm->rtm_version);
723 return;
724 }
725 ifan = (struct if_announcemsghdr *) rtm;
726 switch (rtm->rtm_type) {
727 case RTM_IEEE80211:
728 switch (ifan->ifan_what) {
729 case RTM_IEEE80211_ASSOC:
730 case RTM_IEEE80211_REASSOC:
731 case RTM_IEEE80211_DISASSOC:
732 case RTM_IEEE80211_SCAN:
733 break;
734 case RTM_IEEE80211_LEAVE:
735 leave = (struct ieee80211_leave_event *) &ifan[1];
69378b79 736 drv_event_disassoc(drv->hapd, leave->iev_addr);
c5121837
JM		 737 break;
738 case RTM_IEEE80211_JOIN:
739#ifdef RTM_IEEE80211_REJOIN
740 case RTM_IEEE80211_REJOIN:
741#endif
742 join = (struct ieee80211_join_event *) &ifan[1];
42f34a9b
MH		 743 bsd_new_sta(drv->ioctl_sock, drv->iface, drv->hapd,
744 join->iev_addr);
c5121837
JM		 745 break;
746 case RTM_IEEE80211_REPLAY:
747 /* ignore */
748 break;
749 case RTM_IEEE80211_MICHAEL:
750 mic = (struct ieee80211_michael_event *) &ifan[1];
751 wpa_printf(MSG_DEBUG,
752 "Michael MIC failure wireless event: "
753 "keyix=%u src_addr=" MACSTR, mic->iev_keyix,
754 MAC2STR(mic->iev_src));
1cd973d5
JM		 755 os_memset(&data, 0, sizeof(data));
756 data.michael_mic_failure.unicast = 1;
757 data.michael_mic_failure.src = mic->iev_src;
758 wpa_supplicant_event(drv->hapd,
759 EVENT_MICHAEL_MIC_FAILURE, &data);
c5121837
JM		 760 break;
761 }
762 break;
763 }
764}
765
766static int
767bsd_wireless_event_init(struct bsd_driver_data *drv)
768{
769 int s;
770
771 drv->wext_sock = -1;
772
773 s = socket(PF_ROUTE, SOCK_RAW, 0);
774 if (s < 0) {
775 perror("socket(PF_ROUTE,SOCK_RAW)");
776 return -1;
777 }
778 eloop_register_read_sock(s, bsd_wireless_event_receive, drv, NULL);
779 drv->wext_sock = s;
780
781 return 0;
782}
783
784static void
785bsd_wireless_event_deinit(struct bsd_driver_data *drv)
786{
787 if (drv->wext_sock < 0)
788 return;
789 eloop_unregister_read_sock(drv->wext_sock);
790 close(drv->wext_sock);
791}
792
c5121837 793static int
42f34a9b
MH		 794hostapd_bsd_send_eapol(void *priv, const u8 *addr, const u8 *data,
795 size_t data_len, int encrypt, const u8 *own_addr)
c5121837
JM		 796{
797 struct bsd_driver_data *drv = priv;
42f34a9b 798 return bsd_send_eapol(drv->sock_xmit, addr, data, data_len);
c5121837
JM		 799}
800
801static void
802handle_read(void *ctx, const u8 *src_addr, const u8 *buf, size_t len)
803{
804 struct bsd_driver_data *drv = ctx;
d3737256 805 drv_event_eapol_rx(drv->hapd, src_addr, buf, len);
c5121837
JM		 806}
807
808static int
66d4085f 809hostapd_bsd_get_ssid(const char *ifname, void *priv, u8 *buf, int len)
c5121837
JM		 810{
811 struct bsd_driver_data *drv = priv;
66d4085f 812 int ssid_len;
c5121837 813
66d4085f 814 ssid_len = bsd_get_ssid(drv->ioctl_sock, drv->iface, buf);
c5121837
JM		 815 wpa_printf(MSG_DEBUG, "%s: ssid=\"%.*s\"", __func__, ssid_len, buf);
816
817 return ssid_len;
818}
819
820static int
66d4085f 821hostapd_bsd_set_ssid(const char *ifname, void *priv, const u8 *buf, int len)
c5121837
JM		 822{
823 struct bsd_driver_data *drv = priv;
824
825 wpa_printf(MSG_DEBUG, "%s: ssid=\"%.*s\"", __func__, len, buf);
826
66d4085f 827 return bsd_set_ssid(drv->ioctl_sock, drv->iface, buf, len);
c5121837
JM		 828}
829
5197244a 830static int
42f34a9b 831hostapd_bsd_set_ieee8021x(void *priv, struct wpa_bss_params *params)
5197244a
MH		 832{
833 struct bsd_driver_data *drv = priv;
5197244a 834
42f34a9b
MH		 835 return bsd_set_ieee8021x(drv->ioctl_sock, drv->iface, params);
836}
5197244a 837
42f34a9b
MH		 838static int
839hostapd_bsd_set_freq(void *priv, struct hostapd_freq_params *freq)
840{
841 struct bsd_driver_data *drv = priv;
842
843 return bsd_set_freq(drv->ioctl_sock, drv->iface, freq->channel);
5197244a
MH		 844}
845
c5121837 846static void *
92f475b4 847bsd_init(struct hostapd_data *hapd, struct wpa_init_params *params)
c5121837
JM		 848{
849 struct bsd_driver_data *drv;
850
851 drv = os_zalloc(sizeof(struct bsd_driver_data));
852 if (drv == NULL) {
853 printf("Could not allocate memory for bsd driver data\n");
854 goto bad;
855 }
856
857 drv->hapd = hapd;
858 drv->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
859 if (drv->ioctl_sock < 0) {
860 perror("socket[PF_INET,SOCK_DGRAM]");
861 goto bad;
862 }
412036f5 863 memcpy(drv->iface, params->ifname, sizeof(drv->iface));
c5121837
JM		 864
865 drv->sock_xmit = l2_packet_init(drv->iface, NULL, ETH_P_EAPOL,
d3737256 866 handle_read, drv, 0);
c5121837
JM		 867 if (drv->sock_xmit == NULL)
868 goto bad;
412036f5 869 if (l2_packet_get_own_addr(drv->sock_xmit, params->own_addr))
c5121837
JM		 870 goto bad;
871
60bc3033
MH		 872 /* mark down during setup */
873 if (hostapd_bsd_ctrl_iface(drv, 0) < 0)
874 goto bad;
c5121837
JM		 875 if (bsd_wireless_event_init(drv))
876 goto bad;
877
5197244a
MH		 878 if (bsd_set_mediaopt(drv->ioctl_sock, drv->iface, IFM_OMASK,
879 IFM_IEEE80211_HOSTAP) < 0) {
880 wpa_printf(MSG_ERROR, "%s: failed to set operation mode",
881 __func__);
882 goto bad;
883 }
884
c5121837
JM		 885 return drv;
886bad:
887 if (drv->sock_xmit != NULL)
888 l2_packet_deinit(drv->sock_xmit);
889 if (drv->ioctl_sock >= 0)
890 close(drv->ioctl_sock);
891 if (drv != NULL)
82f36163 892 os_free(drv);
c5121837
JM		 893 return NULL;
894}
895
896
897static void
898bsd_deinit(void *priv)
899{
900 struct bsd_driver_data *drv = priv;
901
902 bsd_wireless_event_deinit(drv);
60bc3033 903 hostapd_bsd_ctrl_iface(drv, 0);
c5121837
JM		 904 if (drv->ioctl_sock >= 0)
905 close(drv->ioctl_sock);
906 if (drv->sock_xmit != NULL)
907 l2_packet_deinit(drv->sock_xmit);
82f36163 908 os_free(drv);
c5121837
JM		 909}
910
911const struct wpa_driver_ops wpa_driver_bsd_ops = {
912 .name = "bsd",
913 .hapd_init = bsd_init,
914 .hapd_deinit = bsd_deinit,
42f34a9b 915 .set_ieee8021x = hostapd_bsd_set_ieee8021x,
c5121837 916 .set_privacy = bsd_set_privacy,
719196b1 917 .set_key = hostapd_bsd_set_key,
c5121837
JM		 918 .get_seqnum = bsd_get_seqnum,
919 .flush = bsd_flush,
920 .set_generic_elem = bsd_set_opt_ie,
42f34a9b 921 .sta_set_flags = hostapd_bsd_sta_set_flags,
c5121837 922 .read_sta_data = bsd_read_sta_driver_data,
42f34a9b 923 .hapd_send_eapol = hostapd_bsd_send_eapol,
c5121837
JM		 924 .sta_disassoc = bsd_sta_disassoc,
925 .sta_deauth = bsd_sta_deauth,
66d4085f
RM		 926 .hapd_set_ssid = hostapd_bsd_set_ssid,
927 .hapd_get_ssid = hostapd_bsd_get_ssid,
42f34a9b 928 .set_freq = hostapd_bsd_set_freq,
c5121837
JM		 929};
930
931#else /* HOSTAPD */
932
6fc6879b
JM		 933struct wpa_driver_bsd_data {
934 int sock; /* open socket for 802.11 ioctls */
42f34a9b 935 struct l2_packet_data *sock_xmit;/* raw packet xmit socket */
6fc6879b
JM		 936 int route; /* routing socket for events */
937 char ifname[IFNAMSIZ+1]; /* interface name */
938 unsigned int ifindex; /* interface index */
939 void *ctx;
42f34a9b
MH		 940 struct wpa_driver_capa capa; /* driver capability */
941 int is_ap; /* Access point mode */
6fc6879b
JM		 942 int prev_roaming; /* roaming state to restore on deinit */
943 int prev_privacy; /* privacy state to restore on deinit */
944 int prev_wpa; /* wpa state to restore on deinit */
945};
946
947static int
948set80211var(struct wpa_driver_bsd_data *drv, int op, const void *arg, int arg_len)
949{
66d4085f 950 return bsd_set80211var(drv->sock, drv->ifname, op, arg, arg_len);
6fc6879b
JM		 951}
952
953static int
954get80211var(struct wpa_driver_bsd_data *drv, int op, void *arg, int arg_len)
955{
66d4085f 956 return bsd_get80211var(drv->sock, drv->ifname, op, arg, arg_len);
6fc6879b
JM		 957}
958
959static int
960set80211param(struct wpa_driver_bsd_data *drv, int op, int arg)
961{
66d4085f 962 return bsd_set80211param(drv->sock, drv->ifname, op, arg);
6fc6879b
JM		 963}
964
965static int
966get80211param(struct wpa_driver_bsd_data *drv, int op)
967{
968 struct ieee80211req ireq;
969
970 os_memset(&ireq, 0, sizeof(ireq));
66d4085f 971 os_strlcpy(ireq.i_name, drv->ifname, sizeof(ireq.i_name));
6fc6879b
JM		 972 ireq.i_type = op;
973
974 if (ioctl(drv->sock, SIOCG80211, &ireq) < 0) {
975 fprintf(stderr, "ioctl[SIOCG80211, op %u]: %s\n",
976 op, strerror(errno));
977 return -1;
978 }
979 return ireq.i_val;
980}
981
6fc6879b
JM		 982static int
983wpa_driver_bsd_get_bssid(void *priv, u8 *bssid)
984{
985 struct wpa_driver_bsd_data *drv = priv;
66d4085f 986#ifdef SIOCG80211BSSID
a65f4a57 987 struct ieee80211_bssid bs;
6fc6879b 988
a65f4a57
MH		 989 os_strncpy(bs.i_name, drv->ifname, sizeof(bs.i_name));
990 if (ioctl(drv->sock, SIOCG80211BSSID, &bs) < 0)
991 return -1;
992 os_memcpy(bssid, bs.i_bssid, sizeof(bs.i_bssid));
993 return 0;
994#else
6fc6879b
JM		 995 return get80211var(drv, IEEE80211_IOC_BSSID,
996 bssid, IEEE80211_ADDR_LEN) < 0 ? -1 : 0;
a65f4a57 997#endif
6fc6879b
JM		 998}
999
1000#if 0
1001static int
1002wpa_driver_bsd_set_bssid(void *priv, const char *bssid)
1003{
1004 struct wpa_driver_bsd_data *drv = priv;
1005
1006 return set80211var(drv, IEEE80211_IOC_BSSID,
1007 bssid, IEEE80211_ADDR_LEN);
1008}
1009#endif
1010
1011static int
1012wpa_driver_bsd_get_ssid(void *priv, u8 *ssid)
1013{
1014 struct wpa_driver_bsd_data *drv = priv;
1015
66d4085f 1016 return bsd_get_ssid(drv->sock, drv->ifname, ssid);
6fc6879b
JM		 1017}
1018
1019static int
4df91b3f 1020wpa_driver_bsd_set_ssid(void *priv, const u8 *ssid,
6fc6879b
JM		 1021 size_t ssid_len)
1022{
1023 struct wpa_driver_bsd_data *drv = priv;
1024
66d4085f 1025 return bsd_set_ssid(drv->sock, drv->ifname, ssid, ssid_len);
6fc6879b
JM		 1026}
1027
1028static int
1029wpa_driver_bsd_set_wpa_ie(struct wpa_driver_bsd_data *drv,
4df91b3f 1030 const u8 *wpa_ie, size_t wpa_ie_len)
6fc6879b 1031{
c610dba1
MH		 1032#ifdef IEEE80211_IOC_APPIE
1033 return set80211var(drv, IEEE80211_IOC_APPIE, wpa_ie, wpa_ie_len);
1034#else /* IEEE80211_IOC_APPIE */
6fc6879b 1035 return set80211var(drv, IEEE80211_IOC_OPTIE, wpa_ie, wpa_ie_len);
c610dba1 1036#endif /* IEEE80211_IOC_APPIE */
6fc6879b
JM		 1037}
1038
1039static int
1040wpa_driver_bsd_set_wpa_internal(void *priv, int wpa, int privacy)
1041{
1042 struct wpa_driver_bsd_data *drv = priv;
1043 int ret = 0;
1044
1045 wpa_printf(MSG_DEBUG, "%s: wpa=%d privacy=%d",
1046 __FUNCTION__, wpa, privacy);
1047
1048 if (!wpa && wpa_driver_bsd_set_wpa_ie(drv, NULL, 0) < 0)
1049 ret = -1;
1050 if (set80211param(drv, IEEE80211_IOC_PRIVACY, privacy) < 0)
1051 ret = -1;
1052 if (set80211param(drv, IEEE80211_IOC_WPA, wpa) < 0)
1053 ret = -1;
1054
1055 return ret;
1056}
1057
1058static int
1059wpa_driver_bsd_set_wpa(void *priv, int enabled)
1060{
1061 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __FUNCTION__, enabled);
1062
1063 return wpa_driver_bsd_set_wpa_internal(priv, enabled ? 3 : 0, enabled);
1064}
1065
6fc6879b 1066static int
71934751 1067wpa_driver_bsd_set_key(const char *ifname, void *priv, enum wpa_alg alg,
6fc6879b
JM		 1068 const unsigned char *addr, int key_idx, int set_tx,
1069 const u8 *seq, size_t seq_len,
1070 const u8 *key, size_t key_len)
1071{
1072 struct wpa_driver_bsd_data *drv = priv;
6fc6879b 1073
719196b1
MH		 1074 if (alg == WPA_ALG_NONE) {
1075 if (addr == NULL ||
1076 os_memcmp(addr, "\xff\xff\xff\xff\xff\xff",
1077 IEEE80211_ADDR_LEN) == 0)
1078 return bsd_del_key(drv->sock, drv->ifname, NULL,
1079 key_idx);
1080 else
1081 return bsd_del_key(drv->sock, drv->ifname, addr,
1082 key_idx);
6fc6879b 1083 }
6fc6879b 1084
719196b1
MH		 1085 return bsd_set_key(drv->sock, drv->ifname, alg, addr, key_idx, set_tx,
1086 seq, seq_len, key, key_len);
6fc6879b
JM		 1087}
1088
1089static int
1090wpa_driver_bsd_set_countermeasures(void *priv, int enabled)
1091{
1092 struct wpa_driver_bsd_data *drv = priv;
1093
1094 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled);
1095 return set80211param(drv, IEEE80211_IOC_COUNTERMEASURES, enabled);
1096}
1097
1098
1099static int
1100wpa_driver_bsd_set_drop_unencrypted(void *priv, int enabled)
1101{
1102 struct wpa_driver_bsd_data *drv = priv;
1103
1104 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled);
1105 return set80211param(drv, IEEE80211_IOC_DROPUNENCRYPTED, enabled);
1106}
1107
1108static int
1109wpa_driver_bsd_deauthenticate(void *priv, const u8 *addr, int reason_code)
1110{
1111 struct wpa_driver_bsd_data *drv = priv;
6fc6879b 1112
fa6b8afe
MH		 1113 return bsd_send_mlme_param(drv->sock, drv->ifname,
1114 IEEE80211_MLME_DEAUTH, reason_code, addr);
6fc6879b
JM		 1115}
1116
1117static int
1118wpa_driver_bsd_disassociate(void *priv, const u8 *addr, int reason_code)
1119{
1120 struct wpa_driver_bsd_data *drv = priv;
6fc6879b 1121
fa6b8afe
MH		 1122 return bsd_send_mlme_param(drv->sock, drv->ifname,
1123 IEEE80211_MLME_DISASSOC, reason_code, addr);
6fc6879b
JM		 1124}
1125
2a91091e
MH		 1126static int
1127wpa_driver_bsd_set_auth_alg(void *priv, int auth_alg)
1128{
1129 struct wpa_driver_bsd_data *drv = priv;
1130 int authmode;
1131
abd9fafa
JM		 1132 if ((auth_alg & WPA_AUTH_ALG_OPEN) &&
1133 (auth_alg & WPA_AUTH_ALG_SHARED))
2a91091e 1134 authmode = IEEE80211_AUTH_AUTO;
abd9fafa 1135 else if (auth_alg & WPA_AUTH_ALG_SHARED)
2a91091e
MH		 1136 authmode = IEEE80211_AUTH_SHARED;
1137 else
1138 authmode = IEEE80211_AUTH_OPEN;
1139
1140 return set80211param(drv, IEEE80211_IOC_AUTHMODE, authmode);
1141}
1142
42f34a9b
MH		 1143static void
1144handle_read(void *ctx, const u8 *src_addr, const u8 *buf, size_t len)
1145{
1146 struct wpa_driver_bsd_data *drv = ctx;
1147
1148 drv_event_eapol_rx(drv->ctx, src_addr, buf, len);
1149}
1150
6fc6879b
JM		 1151static int
1152wpa_driver_bsd_associate(void *priv, struct wpa_driver_associate_params *params)
1153{
1154 struct wpa_driver_bsd_data *drv = priv;
1155 struct ieee80211req_mlme mlme;
42f34a9b
MH		 1156 u32 mode;
1157 u16 channel;
6fc6879b 1158 int privacy;
4a867032 1159 int ret = 0;
6fc6879b
JM		 1160
1161 wpa_printf(MSG_DEBUG,
1162 "%s: ssid '%.*s' wpa ie len %u pairwise %u group %u key mgmt %u"
1163 , __func__
92e63aaf
JM		 1164 , (unsigned int) params->ssid_len, params->ssid
1165 , (unsigned int) params->wpa_ie_len
6fc6879b
JM		 1166 , params->pairwise_suite
1167 , params->group_suite
1168 , params->key_mgmt_suite
1169 );
1170
42f34a9b
MH		 1171 switch (params->mode) {
1172 case IEEE80211_MODE_INFRA:
1173 mode = 0 /* STA */;
1174 break;
1175 case IEEE80211_MODE_IBSS:
1176 mode = IFM_IEEE80211_IBSS;
1177 break;
1178 case IEEE80211_MODE_AP:
1179 mode = IFM_IEEE80211_HOSTAP;
1180 break;
1181 default:
1182 wpa_printf(MSG_ERROR, "%s: unknown operation mode", __func__);
1183 return -1;
1184 }
1185 if (bsd_set_mediaopt(drv->sock, drv->ifname, IFM_OMASK, mode) < 0) {
1186 wpa_printf(MSG_ERROR, "%s: failed to set operation mode",
1187 __func__);
1188 return -1;
1189 }
1190
1191 if (params->mode == IEEE80211_MODE_AP) {
1192 if (params->freq >= 2412 && params->freq <= 2472)
1193 channel = (params->freq - 2407) / 5;
1194 else if (params->freq == 2484)
1195 channel = 14;
1196 else if ((params->freq >= 5180 && params->freq <= 5240) ||
1197 (params->freq >= 5745 && params->freq <= 5825))
1198 channel = (params->freq - 5000) / 5;
1199 else
1200 channel = 0;
1201 if (bsd_set_freq(drv->sock, drv->ifname, channel) < 0)
1202 return -1;
1203
1204 drv->sock_xmit = l2_packet_init(drv->ifname, NULL, ETH_P_EAPOL,
1205 handle_read, drv, 0);
1206 if (drv->sock_xmit == NULL)
1207 return -1;
1208 drv->is_ap = 1;
1209 return 0;
1210 }
1211
4a867032
JM		 1212 if (wpa_driver_bsd_set_drop_unencrypted(drv, params->drop_unencrypted)
1213 < 0)
1214 ret = -1;
1215 if (wpa_driver_bsd_set_auth_alg(drv, params->auth_alg) < 0)
1216 ret = -1;
6fc6879b
JM		 1217 /* XXX error handling is wrong but unclear what to do... */
1218 if (wpa_driver_bsd_set_wpa_ie(drv, params->wpa_ie, params->wpa_ie_len) < 0)
1219 return -1;
6fc6879b
JM		 1220
1221 privacy = !(params->pairwise_suite == CIPHER_NONE &&
1222 params->group_suite == CIPHER_NONE &&
1223 params->key_mgmt_suite == KEY_MGMT_NONE &&
1224 params->wpa_ie_len == 0);
1225 wpa_printf(MSG_DEBUG, "%s: set PRIVACY %u", __func__, privacy);
1226
1227 if (set80211param(drv, IEEE80211_IOC_PRIVACY, privacy) < 0)
1228 return -1;
1229
1230 if (params->wpa_ie_len &&
1231 set80211param(drv, IEEE80211_IOC_WPA,
1232 params->wpa_ie[0] == WLAN_EID_RSN ? 2 : 1) < 0)
1233 return -1;
1234
1235 os_memset(&mlme, 0, sizeof(mlme));
1236 mlme.im_op = IEEE80211_MLME_ASSOC;
6fc6879b
JM		 1237 if (params->ssid != NULL)
1238 os_memcpy(mlme.im_ssid, params->ssid, params->ssid_len);
1239 mlme.im_ssid_len = params->ssid_len;
6fc6879b
JM		 1240 if (params->bssid != NULL)
1241 os_memcpy(mlme.im_macaddr, params->bssid, IEEE80211_ADDR_LEN);
1242 if (set80211var(drv, IEEE80211_IOC_MLME, &mlme, sizeof(mlme)) < 0)
1243 return -1;
4a867032 1244 return ret;
6fc6879b
JM		 1245}
1246
60bc3033
MH		 1247static int
1248wpa_driver_bsd_ctrl_iface(struct wpa_driver_bsd_data *drv, int enable)
1249{
1250 return bsd_ctrl_iface(drv->sock, drv->ifname, enable);
1251}
1252
6fc6879b 1253static int
c2e8d0a0 1254wpa_driver_bsd_scan(void *priv, struct wpa_driver_scan_params *params)
6fc6879b
JM		 1255{
1256 struct wpa_driver_bsd_data *drv = priv;
c2e8d0a0
JM		 1257 const u8 *ssid = params->ssids[0].ssid;
1258 size_t ssid_len = params->ssids[0].ssid_len;
6fc6879b 1259
42f34a9b
MH		 1260 if (set80211param(drv, IEEE80211_IOC_ROAMING,
1261 IEEE80211_ROAMING_MANUAL) < 0) {
1262 wpa_printf(MSG_ERROR, "%s: failed to set "
1263 "wpa_supplicant-based roaming: %s", __func__,
1264 strerror(errno));
1265 return -1;
1266 }
1267
1268 if (wpa_driver_bsd_set_wpa(drv, 1) < 0) {
1269 wpa_printf(MSG_ERROR, "%s: failed to set wpa: %s", __func__,
1270 strerror(errno));
1271 return -1;
1272 }
1273
6fc6879b 1274 /* NB: interface must be marked UP to do a scan */
60bc3033 1275 if (wpa_driver_bsd_ctrl_iface(drv, 1) < 0)
6fc6879b
JM		 1276 return -1;
1277
1278 /* set desired ssid before scan */
1279 if (wpa_driver_bsd_set_ssid(drv, ssid, ssid_len) < 0)
1280 return -1;
1281
1282 /* NB: net80211 delivers a scan complete event so no need to poll */
1283 return set80211param(drv, IEEE80211_IOC_SCAN_REQ, 0);
1284}
1285
6fc6879b
JM		 1286static void
1287wpa_driver_bsd_event_receive(int sock, void *ctx, void *sock_ctx)
1288{
1289 struct wpa_driver_bsd_data *drv = sock_ctx;
1290 char buf[2048];
1291 struct if_announcemsghdr *ifan;
1292 struct if_msghdr *ifm;
1293 struct rt_msghdr *rtm;
1294 union wpa_event_data event;
1295 struct ieee80211_michael_event *mic;
42f34a9b
MH		 1296 struct ieee80211_leave_event *leave;
1297 struct ieee80211_join_event *join;
6fc6879b
JM		 1298 int n;
1299
1300 n = read(sock, buf, sizeof(buf));
1301 if (n < 0) {
1302 if (errno != EINTR && errno != EAGAIN)
1303 perror("read(PF_ROUTE)");
1304 return;
1305 }
1306
1307 rtm = (struct rt_msghdr *) buf;
1308 if (rtm->rtm_version != RTM_VERSION) {
1309 wpa_printf(MSG_DEBUG, "Routing message version %d not "
1310 "understood\n", rtm->rtm_version);
1311 return;
1312 }
1313 os_memset(&event, 0, sizeof(event));
1314 switch (rtm->rtm_type) {
1315 case RTM_IFANNOUNCE:
1316 ifan = (struct if_announcemsghdr *) rtm;
1317 if (ifan->ifan_index != drv->ifindex)
1318 break;
1319 strlcpy(event.interface_status.ifname, drv->ifname,
1320 sizeof(event.interface_status.ifname));
1321 switch (ifan->ifan_what) {
1322 case IFAN_DEPARTURE:
1323 event.interface_status.ievent = EVENT_INTERFACE_REMOVED;
1324 default:
1325 return;
1326 }
1327 wpa_printf(MSG_DEBUG, "RTM_IFANNOUNCE: Interface '%s' %s",
1328 event.interface_status.ifname,
1329 ifan->ifan_what == IFAN_DEPARTURE ?
1330 "removed" : "added");
1331 wpa_supplicant_event(ctx, EVENT_INTERFACE_STATUS, &event);
1332 break;
1333 case RTM_IEEE80211:
1334 ifan = (struct if_announcemsghdr *) rtm;
1335 if (ifan->ifan_index != drv->ifindex)
1336 break;
1337 switch (ifan->ifan_what) {
1338 case RTM_IEEE80211_ASSOC:
1339 case RTM_IEEE80211_REASSOC:
42f34a9b
MH		 1340 if (drv->is_ap)
1341 break;
6fc6879b
JM		 1342 wpa_supplicant_event(ctx, EVENT_ASSOC, NULL);
1343 break;
1344 case RTM_IEEE80211_DISASSOC:
42f34a9b
MH		 1345 if (drv->is_ap)
1346 break;
6fc6879b
JM		 1347 wpa_supplicant_event(ctx, EVENT_DISASSOC, NULL);
1348 break;
1349 case RTM_IEEE80211_SCAN:
42f34a9b
MH		 1350 if (drv->is_ap)
1351 break;
6fc6879b
JM		 1352 wpa_supplicant_event(ctx, EVENT_SCAN_RESULTS, NULL);
1353 break;
42f34a9b
MH		 1354 case RTM_IEEE80211_LEAVE:
1355 leave = (struct ieee80211_leave_event *) &ifan[1];
1356 drv_event_disassoc(ctx, leave->iev_addr);
1357 break;
1358 case RTM_IEEE80211_JOIN:
1359#ifdef RTM_IEEE80211_REJOIN
1360 case RTM_IEEE80211_REJOIN:
1361#endif
1362 join = (struct ieee80211_join_event *) &ifan[1];
1363 bsd_new_sta(drv->sock, drv->ifname, ctx,
1364 join->iev_addr);
1365 break;
6fc6879b
JM		 1366 case RTM_IEEE80211_REPLAY:
1367 /* ignore */
1368 break;
1369 case RTM_IEEE80211_MICHAEL:
1370 mic = (struct ieee80211_michael_event *) &ifan[1];
1371 wpa_printf(MSG_DEBUG,
1372 "Michael MIC failure wireless event: "
1373 "keyix=%u src_addr=" MACSTR, mic->iev_keyix,
1374 MAC2STR(mic->iev_src));
1375
1376 os_memset(&event, 0, sizeof(event));
1377 event.michael_mic_failure.unicast =
1378 !IEEE80211_IS_MULTICAST(mic->iev_dst);
1379 wpa_supplicant_event(ctx, EVENT_MICHAEL_MIC_FAILURE,
1380 &event);
1381 break;
1382 }
1383 break;
1384 case RTM_IFINFO:
1385 ifm = (struct if_msghdr *) rtm;
1386 if (ifm->ifm_index != drv->ifindex)
1387 break;
1388 if ((rtm->rtm_flags & RTF_UP) == 0) {
1389 strlcpy(event.interface_status.ifname, drv->ifname,
1390 sizeof(event.interface_status.ifname));
1391 event.interface_status.ievent = EVENT_INTERFACE_REMOVED;
1392 wpa_printf(MSG_DEBUG, "RTM_IFINFO: Interface '%s' DOWN",
1393 event.interface_status.ifname);
1394 wpa_supplicant_event(ctx, EVENT_INTERFACE_STATUS, &event);
1395 }
1396 break;
1397 }
1398}
1399
a65f4a57
MH		 1400static void
1401wpa_driver_bsd_add_scan_entry(struct wpa_scan_results *res,
1402 struct ieee80211req_scan_result *sr)
6fc6879b 1403{
a65f4a57
MH		 1404 struct wpa_scan_res *result, **tmp;
1405 size_t extra_len;
1406 u8 *pos;
6fc6879b 1407
a65f4a57
MH		 1408 extra_len = 2 + sr->isr_ssid_len;
1409 extra_len += 2 + sr->isr_nrates;
1410 extra_len += 3; /* ERP IE */
1411 extra_len += sr->isr_ie_len;
6fc6879b 1412
a65f4a57
MH		 1413 result = os_zalloc(sizeof(*result) + extra_len);
1414 if (result == NULL)
1415 return;
1416 os_memcpy(result->bssid, sr->isr_bssid, ETH_ALEN);
1417 result->freq = sr->isr_freq;
1418 result->beacon_int = sr->isr_intval;
1419 result->caps = sr->isr_capinfo;
1420 result->qual = sr->isr_rssi;
1421 result->noise = sr->isr_noise;
6fc6879b 1422
a65f4a57 1423 pos = (u8 *)(result + 1);
6fc6879b 1424
a65f4a57
MH		 1425 *pos++ = WLAN_EID_SSID;
1426 *pos++ = sr->isr_ssid_len;
1427 os_memcpy(pos, sr + 1, sr->isr_ssid_len);
1428 pos += sr->isr_ssid_len;
6fc6879b 1429
a65f4a57
MH		 1430 /*
1431 * Deal all rates as supported rate.
1432 * Because net80211 doesn't report extended supported rate or not.
1433 */
1434 *pos++ = WLAN_EID_SUPP_RATES;
1435 *pos++ = sr->isr_nrates;
1436 os_memcpy(pos, sr->isr_rates, sr->isr_nrates);
1437 pos += sr->isr_nrates;
6fc6879b 1438
a65f4a57
MH		 1439 *pos++ = WLAN_EID_ERP_INFO;
1440 *pos++ = 1;
1441 *pos++ = sr->isr_erp;
6fc6879b 1442
a65f4a57
MH		 1443 os_memcpy(pos, (u8 *)(sr + 1) + sr->isr_ssid_len, sr->isr_ie_len);
1444 pos += sr->isr_ie_len;
6fc6879b 1445
a65f4a57
MH		 1446 result->ie_len = pos - (u8 *)(result + 1);
1447
1448 tmp = os_realloc(res->res,
1449 (res->num + 1) * sizeof(struct wpa_scan_res *));
1450 if (tmp == NULL) {
1451 os_free(result);
1452 return;
1453 }
1454 tmp[res->num++] = result;
1455 res->res = tmp;
6fc6879b
JM		 1456}
1457
a65f4a57
MH		 1458struct wpa_scan_results *
1459wpa_driver_bsd_get_scan_results2(void *priv)
6fc6879b 1460{
6fc6879b 1461 struct wpa_driver_bsd_data *drv = priv;
6fc6879b 1462 struct ieee80211req_scan_result *sr;
a65f4a57
MH		 1463 struct wpa_scan_results *res;
1464 int len, rest;
1465 uint8_t buf[24*1024], *pos;
6fc6879b 1466
a65f4a57 1467 len = get80211var(drv, IEEE80211_IOC_SCAN_RESULTS, buf, 24*1024);
6fc6879b 1468 if (len < 0)
a65f4a57
MH		 1469 return NULL;
1470
1471 res = os_zalloc(sizeof(*res));
1472 if (res == NULL)
1473 return NULL;
6fc6879b 1474
a65f4a57
MH		 1475 pos = buf;
1476 rest = len;
1477 while (rest >= sizeof(struct ieee80211req_scan_result)) {
1478 sr = (struct ieee80211req_scan_result *)pos;
1479 wpa_driver_bsd_add_scan_entry(res, sr);
1480 pos += sr->isr_len;
1481 rest -= sr->isr_len;
6fc6879b 1482 }
6fc6879b 1483
a65f4a57
MH		 1484 wpa_printf(MSG_DEBUG, "Received %d bytes of scan results (%lu BSSes)",
1485 len, (unsigned long)res->num);
6fc6879b 1486
a65f4a57 1487 return res;
6fc6879b
JM		 1488}
1489
42f34a9b
MH		 1490static int wpa_driver_bsd_capa(struct wpa_driver_bsd_data *drv)
1491{
1492 /* For now, assume TKIP, CCMP, WPA, WPA2 are supported */
1493 drv->capa.key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA |
1494 WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
1495 WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
1496 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK;
1497 drv->capa.enc = WPA_DRIVER_CAPA_ENC_WEP40 |
1498 WPA_DRIVER_CAPA_ENC_WEP104 |
1499 WPA_DRIVER_CAPA_ENC_TKIP |
1500 WPA_DRIVER_CAPA_ENC_CCMP;
1501 drv->capa.auth = WPA_DRIVER_AUTH_OPEN |
1502 WPA_DRIVER_AUTH_SHARED |
1503 WPA_DRIVER_AUTH_LEAP;
1504
1505 //drv->capa.max_scan_ssids = info.max_scan_ssids;
1506 drv->capa.flags |= WPA_DRIVER_FLAGS_AP;
1507
1508 return 0;
1509}
1510
6fc6879b
JM		 1511static void *
1512wpa_driver_bsd_init(void *ctx, const char *ifname)
1513{
1514#define GETPARAM(drv, param, v) \
1515 (((v) = get80211param(drv, param)) != -1)
1516 struct wpa_driver_bsd_data *drv;
1517
1518 drv = os_zalloc(sizeof(*drv));
1519 if (drv == NULL)
1520 return NULL;
1521 /*
1522 * NB: We require the interface name be mappable to an index.
1523 * This implies we do not support having wpa_supplicant
1524 * wait for an interface to appear. This seems ok; that
1525 * doesn't belong here; it's really the job of devd.
1526 */
1527 drv->ifindex = if_nametoindex(ifname);
1528 if (drv->ifindex == 0) {
1529 wpa_printf(MSG_DEBUG, "%s: interface %s does not exist",
1530 __func__, ifname);
1531 goto fail1;
1532 }
1533 drv->sock = socket(PF_INET, SOCK_DGRAM, 0);
1534 if (drv->sock < 0)
1535 goto fail1;
1536 drv->route = socket(PF_ROUTE, SOCK_RAW, 0);
1537 if (drv->route < 0)
1538 goto fail;
1539 eloop_register_read_sock(drv->route,
1540 wpa_driver_bsd_event_receive, ctx, drv);
1541
1542 drv->ctx = ctx;
1543 os_strlcpy(drv->ifname, ifname, sizeof(drv->ifname));
1544
42f34a9b
MH		 1545 /* Down interface during setup. */
1546 if (wpa_driver_bsd_ctrl_iface(drv, 0) < 0)
1547 goto fail;
1548
6fc6879b
JM		 1549 if (!GETPARAM(drv, IEEE80211_IOC_ROAMING, drv->prev_roaming)) {
1550 wpa_printf(MSG_DEBUG, "%s: failed to get roaming state: %s",
1551 __func__, strerror(errno));
1552 goto fail;
1553 }
1554 if (!GETPARAM(drv, IEEE80211_IOC_PRIVACY, drv->prev_privacy)) {
1555 wpa_printf(MSG_DEBUG, "%s: failed to get privacy state: %s",
1556 __func__, strerror(errno));
1557 goto fail;
1558 }
1559 if (!GETPARAM(drv, IEEE80211_IOC_WPA, drv->prev_wpa)) {
1560 wpa_printf(MSG_DEBUG, "%s: failed to get wpa state: %s",
1561 __func__, strerror(errno));
1562 goto fail;
1563 }
5197244a
MH		 1564
1565 if (bsd_set_mediaopt(drv->sock, drv->ifname, IFM_OMASK,
1566 0 /* STA */) < 0) {
1567 wpa_printf(MSG_ERROR, "%s: failed to set operation mode",
1568 __func__);
1569 goto fail;
1570 }
6fc6879b 1571
42f34a9b 1572 if (wpa_driver_bsd_capa(drv))
6fc6879b 1573 goto fail;
4a867032 1574
6fc6879b
JM		 1575 return drv;
1576fail:
1577 close(drv->sock);
1578fail1:
1579 os_free(drv);
1580 return NULL;
1581#undef GETPARAM
1582}
1583
1584static void
1585wpa_driver_bsd_deinit(void *priv)
1586{
1587 struct wpa_driver_bsd_data *drv = priv;
6fc6879b 1588
4a867032 1589 wpa_driver_bsd_set_wpa(drv, 0);
6fc6879b
JM		 1590 eloop_unregister_read_sock(drv->route);
1591
1592 /* NB: mark interface down */
60bc3033 1593 wpa_driver_bsd_ctrl_iface(drv, 0);
6fc6879b
JM		 1594
1595 wpa_driver_bsd_set_wpa_internal(drv, drv->prev_wpa, drv->prev_privacy);
1596 if (set80211param(drv, IEEE80211_IOC_ROAMING, drv->prev_roaming) < 0)
1597 wpa_printf(MSG_DEBUG, "%s: failed to restore roaming state",
1598 __func__);
1599
42f34a9b
MH		 1600 if (drv->sock_xmit != NULL)
1601 l2_packet_deinit(drv->sock_xmit);
6fc6879b
JM		 1602 (void) close(drv->route); /* ioctl socket */
1603 (void) close(drv->sock); /* event socket */
1604 os_free(drv);
1605}
1606
42f34a9b
MH		 1607static int
1608wpa_driver_bsd_get_capa(void *priv, struct wpa_driver_capa *capa)
1609{
1610 struct wpa_driver_bsd_data *drv = priv;
1611
1612 os_memcpy(capa, &drv->capa, sizeof(*capa));
1613 return 0;
1614}
1615
1616static int
1617wpa_driver_bsd_set_ieee8021x(void *priv, struct wpa_bss_params *params)
1618{
1619 struct wpa_driver_bsd_data *drv = priv;
1620
1621 return bsd_set_ieee8021x(drv->sock, drv->ifname, params);
1622}
1623
1624static int
1625wpa_driver_bsd_hapd_set_ssid(const char *ifname, void *priv, const u8 *buf,
1626 int len)
1627{
1628 return wpa_driver_bsd_set_ssid(priv, buf, len);
1629}
1630
1631static int
1632wpa_driver_bsd_hapd_get_ssid(const char *ifname, void *priv, u8 *buf, int len)
1633{
1634 return wpa_driver_bsd_get_ssid(priv, buf);
1635}
1636
1637static int
1638wpa_driver_bsd_send_eapol(void *priv, const u8 *addr, const u8 *data,
1639 size_t data_len, int encrypt, const u8 *own_addr)
1640{
1641 struct wpa_driver_bsd_data *drv = priv;
1642
1643 return bsd_send_eapol(drv->sock_xmit, addr, data, data_len);
1644}
1645
1646static int
1647wpa_driver_bsd_sta_set_flags(void *priv, const u8 *addr, int total_flags,
1648 int flags_or, int flags_and)
1649{
1650 struct wpa_driver_bsd_data *drv = priv;
1651
1652 return bsd_set_sta_authorized(drv->sock, drv->ifname, addr,
1653 total_flags, flags_or, flags_and);
1654}
1655
6fc6879b
JM		 1656
1657const struct wpa_driver_ops wpa_driver_bsd_ops = {
1658 .name = "bsd",
66d4085f 1659 .desc = "BSD 802.11 support",
6fc6879b
JM		 1660 .init = wpa_driver_bsd_init,
1661 .deinit = wpa_driver_bsd_deinit,
1662 .get_bssid = wpa_driver_bsd_get_bssid,
1663 .get_ssid = wpa_driver_bsd_get_ssid,
6fc6879b
JM		 1664 .set_key = wpa_driver_bsd_set_key,
1665 .set_countermeasures = wpa_driver_bsd_set_countermeasures,
c2e8d0a0 1666 .scan2 = wpa_driver_bsd_scan,
a65f4a57 1667 .get_scan_results2 = wpa_driver_bsd_get_scan_results2,
6fc6879b
JM		 1668 .deauthenticate = wpa_driver_bsd_deauthenticate,
1669 .disassociate = wpa_driver_bsd_disassociate,
1670 .associate = wpa_driver_bsd_associate,
42f34a9b
MH		 1671 .get_capa = wpa_driver_bsd_get_capa,
1672 .set_ieee8021x = wpa_driver_bsd_set_ieee8021x,
1673 .hapd_set_ssid = wpa_driver_bsd_hapd_set_ssid,
1674 .hapd_get_ssid = wpa_driver_bsd_hapd_get_ssid,
1675 .hapd_send_eapol = wpa_driver_bsd_send_eapol,
1676 .sta_set_flags = wpa_driver_bsd_sta_set_flags,
6fc6879b 1677};
c5121837
JM		 1678
1679#endif /* HOSTAPD */
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