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Add TLS client events, server probing, and srv cert matching
[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{
aba7569e 491#ifdef SIOCS80211CHANNEL
42f34a9b
MH		 492 struct ieee80211chanreq creq;
493 u32 mode;
494
495 if (channel < 14)
496 mode = IFM_IEEE80211_11G;
497 else if (channel == 14)
498 mode = IFM_IEEE80211_11B;
499 else
500 mode = IFM_IEEE80211_11A;
501 if (bsd_set_mediaopt(s, ifname, IFM_MMASK, mode) < 0) {
502 wpa_printf(MSG_ERROR, "%s: failed to set modulation mode",
503 __func__);
504 return -1;
505 }
506
507 os_memset(&creq, 0, sizeof(creq));
508 os_strlcpy(creq.i_name, ifname, sizeof(creq.i_name));
509 creq.i_channel = channel;
510 return ioctl(s, SIOCS80211CHANNEL, &creq);
aba7569e
JM		 511#else
512 wpa_printf(MSG_ERROR, "bsd_set_freq: SIOCS80211CHANNEL not "
513 "defined");
514 return -1;
515#endif
42f34a9b
MH		 516}
517
518
519#ifdef HOSTAPD
520
521/*
522 * Avoid conflicts with hostapd definitions by undefining couple of defines
523 * from net80211 header files.
524 */
525#undef RSN_VERSION
526#undef WPA_VERSION
527#undef WPA_OUI_TYPE
528
529struct bsd_driver_data {
530 struct hostapd_data *hapd; /* back pointer */
531
532 char iface[IFNAMSIZ + 1];
533 struct l2_packet_data *sock_xmit; /* raw packet xmit socket */
534 int ioctl_sock; /* socket for ioctl() use */
535 int wext_sock; /* socket for wireless events */
536};
537
538static int bsd_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
539 int reason_code);
540
541static int
542get80211var(struct bsd_driver_data *drv, int op, void *arg, int arg_len)
543{
544 return bsd_get80211var(drv->ioctl_sock, drv->iface, op, arg, arg_len);
545}
546
547static int
548set80211param(struct bsd_driver_data *drv, int op, int arg)
549{
550 return bsd_set80211param(drv->ioctl_sock, drv->iface, op, arg);
551}
552
553static const char *
554ether_sprintf(const u8 *addr)
555{
556 static char buf[sizeof(MACSTR)];
557
558 if (addr != NULL)
559 snprintf(buf, sizeof(buf), MACSTR, MAC2STR(addr));
560 else
561 snprintf(buf, sizeof(buf), MACSTR, 0,0,0,0,0,0);
562 return buf;
563}
564
565static int
566hostapd_bsd_ctrl_iface(struct bsd_driver_data *drv, int enable)
567{
568 return bsd_ctrl_iface(drv->ioctl_sock, drv->iface, enable);
569}
570
571static int
572bsd_set_privacy(const char *ifname, void *priv, int enabled)
c5121837
JM		 573{
574 struct bsd_driver_data *drv = priv;
c5121837 575
42f34a9b
MH		 576 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled);
577
578 return set80211param(drv, IEEE80211_IOC_PRIVACY, enabled);
c5121837
JM		 579}
580
581static int
42f34a9b
MH		 582hostapd_bsd_sta_set_flags(void *priv, const u8 *addr, int total_flags,
583 int flags_or, int flags_and)
c5121837 584{
42f34a9b
MH		 585 struct bsd_driver_data *drv = priv;
586
587 return bsd_set_sta_authorized(drv->ioctl_sock, drv->iface, addr,
588 total_flags, flags_or, flags_and);
c5121837
JM		 589}
590
c5121837 591static int
719196b1 592hostapd_bsd_set_key(const char *ifname, void *priv, enum wpa_alg alg,
c5121837
JM		 593 const u8 *addr, int key_idx, int set_tx, const u8 *seq,
594 size_t seq_len, const u8 *key, size_t key_len)
595{
596 struct bsd_driver_data *drv = priv;
c5121837
JM		 597
598 if (alg == WPA_ALG_NONE)
cbdecd2b 599 return bsd_del_key(drv->ioctl_sock, drv->iface, addr, key_idx);
c5121837 600
719196b1
MH		 601 return bsd_set_key(drv->ioctl_sock, drv->iface, alg, addr, key_idx,
602 set_tx, seq, seq_len, key, key_len);
c5121837
JM		 603}
604
605
606static int
607bsd_get_seqnum(const char *ifname, void *priv, const u8 *addr, int idx,
608 u8 *seq)
609{
610 struct bsd_driver_data *drv = priv;
611 struct ieee80211req_key wk;
612
613 wpa_printf(MSG_DEBUG, "%s: addr=%s idx=%d",
614 __func__, ether_sprintf(addr), idx);
615
616 memset(&wk, 0, sizeof(wk));
617 if (addr == NULL)
618 memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN);
619 else
620 memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
621 wk.ik_keyix = idx;
622
623 if (get80211var(drv, IEEE80211_IOC_WPAKEY, &wk, sizeof(wk)) < 0) {
624 printf("Failed to get encryption.\n");
625 return -1;
626 }
627
628#ifdef WORDS_BIGENDIAN
629 {
630 /*
631 * wk.ik_keytsc is in host byte order (big endian), need to
632 * swap it to match with the byte order used in WPA.
633 */
634 int i;
635 u8 tmp[WPA_KEY_RSC_LEN];
636 memcpy(tmp, &wk.ik_keytsc, sizeof(wk.ik_keytsc));
637 for (i = 0; i < WPA_KEY_RSC_LEN; i++) {
638 seq[i] = tmp[WPA_KEY_RSC_LEN - i - 1];
639 }
640 }
641#else /* WORDS_BIGENDIAN */
642 memcpy(seq, &wk.ik_keytsc, sizeof(wk.ik_keytsc));
643#endif /* WORDS_BIGENDIAN */
644 return 0;
645}
646
647
648static int
649bsd_flush(void *priv)
650{
651 u8 allsta[IEEE80211_ADDR_LEN];
652
653 memset(allsta, 0xff, IEEE80211_ADDR_LEN);
731723a5 654 return bsd_sta_deauth(priv, NULL, allsta, IEEE80211_REASON_AUTH_LEAVE);
c5121837
JM		 655}
656
657
658static int
659bsd_read_sta_driver_data(void *priv, struct hostap_sta_driver_data *data,
660 const u8 *addr)
661{
662 struct bsd_driver_data *drv = priv;
663 struct ieee80211req_sta_stats stats;
664
665 memcpy(stats.is_u.macaddr, addr, IEEE80211_ADDR_LEN);
666 if (get80211var(drv, IEEE80211_IOC_STA_STATS, &stats, sizeof(stats)) > 0) {
667 /* XXX? do packets counts include non-data frames? */
668 data->rx_packets = stats.is_stats.ns_rx_data;
669 data->rx_bytes = stats.is_stats.ns_rx_bytes;
670 data->tx_packets = stats.is_stats.ns_tx_data;
671 data->tx_bytes = stats.is_stats.ns_tx_bytes;
672 }
673 return 0;
674}
675
676static int
677bsd_set_opt_ie(const char *ifname, void *priv, const u8 *ie, size_t ie_len)
678{
679 /*
680 * Do nothing; we setup parameters at startup that define the
681 * contents of the beacon information element.
682 */
683 return 0;
684}
685
686static int
731723a5 687bsd_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr, int reason_code)
c5121837
JM		 688{
689 struct bsd_driver_data *drv = priv;
c5121837 690
fa6b8afe
MH		 691 return bsd_send_mlme_param(drv->ioctl_sock, drv->iface,
692 IEEE80211_MLME_DEAUTH, reason_code, addr);
c5121837
JM		 693}
694
695static int
731723a5
JM		 696bsd_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
697 int reason_code)
c5121837
JM		 698{
699 struct bsd_driver_data *drv = priv;
c5121837 700
fa6b8afe
MH		 701 return bsd_send_mlme_param(drv->ioctl_sock, drv->iface,
702 IEEE80211_MLME_DISASSOC, reason_code, addr);
c5121837
JM		 703}
704
c5121837
JM		 705static void
706bsd_wireless_event_receive(int sock, void *ctx, void *sock_ctx)
707{
708 struct bsd_driver_data *drv = ctx;
c5121837
JM		 709 char buf[2048];
710 struct if_announcemsghdr *ifan;
711 struct rt_msghdr *rtm;
712 struct ieee80211_michael_event *mic;
713 struct ieee80211_join_event *join;
714 struct ieee80211_leave_event *leave;
715 int n;
1cd973d5 716 union wpa_event_data data;
c5121837
JM		 717
718 n = read(sock, buf, sizeof(buf));
719 if (n < 0) {
720 if (errno != EINTR && errno != EAGAIN)
721 perror("read(PF_ROUTE)");
722 return;
723 }
724
725 rtm = (struct rt_msghdr *) buf;
726 if (rtm->rtm_version != RTM_VERSION) {
727 wpa_printf(MSG_DEBUG, "Routing message version %d not "
728 "understood\n", rtm->rtm_version);
729 return;
730 }
731 ifan = (struct if_announcemsghdr *) rtm;
732 switch (rtm->rtm_type) {
733 case RTM_IEEE80211:
734 switch (ifan->ifan_what) {
735 case RTM_IEEE80211_ASSOC:
736 case RTM_IEEE80211_REASSOC:
737 case RTM_IEEE80211_DISASSOC:
738 case RTM_IEEE80211_SCAN:
739 break;
740 case RTM_IEEE80211_LEAVE:
741 leave = (struct ieee80211_leave_event *) &ifan[1];
69378b79 742 drv_event_disassoc(drv->hapd, leave->iev_addr);
c5121837
JM		 743 break;
744 case RTM_IEEE80211_JOIN:
745#ifdef RTM_IEEE80211_REJOIN
746 case RTM_IEEE80211_REJOIN:
747#endif
748 join = (struct ieee80211_join_event *) &ifan[1];
42f34a9b
MH		 749 bsd_new_sta(drv->ioctl_sock, drv->iface, drv->hapd,
750 join->iev_addr);
c5121837
JM		 751 break;
752 case RTM_IEEE80211_REPLAY:
753 /* ignore */
754 break;
755 case RTM_IEEE80211_MICHAEL:
756 mic = (struct ieee80211_michael_event *) &ifan[1];
757 wpa_printf(MSG_DEBUG,
758 "Michael MIC failure wireless event: "
759 "keyix=%u src_addr=" MACSTR, mic->iev_keyix,
760 MAC2STR(mic->iev_src));
1cd973d5
JM		 761 os_memset(&data, 0, sizeof(data));
762 data.michael_mic_failure.unicast = 1;
763 data.michael_mic_failure.src = mic->iev_src;
764 wpa_supplicant_event(drv->hapd,
765 EVENT_MICHAEL_MIC_FAILURE, &data);
c5121837
JM		 766 break;
767 }
768 break;
769 }
770}
771
772static int
773bsd_wireless_event_init(struct bsd_driver_data *drv)
774{
775 int s;
776
777 drv->wext_sock = -1;
778
779 s = socket(PF_ROUTE, SOCK_RAW, 0);
780 if (s < 0) {
781 perror("socket(PF_ROUTE,SOCK_RAW)");
782 return -1;
783 }
784 eloop_register_read_sock(s, bsd_wireless_event_receive, drv, NULL);
785 drv->wext_sock = s;
786
787 return 0;
788}
789
790static void
791bsd_wireless_event_deinit(struct bsd_driver_data *drv)
792{
793 if (drv->wext_sock < 0)
794 return;
795 eloop_unregister_read_sock(drv->wext_sock);
796 close(drv->wext_sock);
797}
798
c5121837 799static int
42f34a9b
MH		 800hostapd_bsd_send_eapol(void *priv, const u8 *addr, const u8 *data,
801 size_t data_len, int encrypt, const u8 *own_addr)
c5121837
JM		 802{
803 struct bsd_driver_data *drv = priv;
42f34a9b 804 return bsd_send_eapol(drv->sock_xmit, addr, data, data_len);
c5121837
JM		 805}
806
807static void
808handle_read(void *ctx, const u8 *src_addr, const u8 *buf, size_t len)
809{
810 struct bsd_driver_data *drv = ctx;
d3737256 811 drv_event_eapol_rx(drv->hapd, src_addr, buf, len);
c5121837
JM		 812}
813
814static int
66d4085f 815hostapd_bsd_get_ssid(const char *ifname, void *priv, u8 *buf, int len)
c5121837
JM		 816{
817 struct bsd_driver_data *drv = priv;
66d4085f 818 int ssid_len;
c5121837 819
66d4085f 820 ssid_len = bsd_get_ssid(drv->ioctl_sock, drv->iface, buf);
c5121837
JM		 821 wpa_printf(MSG_DEBUG, "%s: ssid=\"%.*s\"", __func__, ssid_len, buf);
822
823 return ssid_len;
824}
825
826static int
66d4085f 827hostapd_bsd_set_ssid(const char *ifname, void *priv, const u8 *buf, int len)
c5121837
JM		 828{
829 struct bsd_driver_data *drv = priv;
830
831 wpa_printf(MSG_DEBUG, "%s: ssid=\"%.*s\"", __func__, len, buf);
832
66d4085f 833 return bsd_set_ssid(drv->ioctl_sock, drv->iface, buf, len);
c5121837
JM		 834}
835
5197244a 836static int
42f34a9b 837hostapd_bsd_set_ieee8021x(void *priv, struct wpa_bss_params *params)
5197244a
MH		 838{
839 struct bsd_driver_data *drv = priv;
5197244a 840
42f34a9b
MH		 841 return bsd_set_ieee8021x(drv->ioctl_sock, drv->iface, params);
842}
5197244a 843
42f34a9b
MH		 844static int
845hostapd_bsd_set_freq(void *priv, struct hostapd_freq_params *freq)
846{
847 struct bsd_driver_data *drv = priv;
848
849 return bsd_set_freq(drv->ioctl_sock, drv->iface, freq->channel);
5197244a
MH		 850}
851
c5121837 852static void *
92f475b4 853bsd_init(struct hostapd_data *hapd, struct wpa_init_params *params)
c5121837
JM		 854{
855 struct bsd_driver_data *drv;
856
857 drv = os_zalloc(sizeof(struct bsd_driver_data));
858 if (drv == NULL) {
859 printf("Could not allocate memory for bsd driver data\n");
860 goto bad;
861 }
862
863 drv->hapd = hapd;
864 drv->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
865 if (drv->ioctl_sock < 0) {
866 perror("socket[PF_INET,SOCK_DGRAM]");
867 goto bad;
868 }
412036f5 869 memcpy(drv->iface, params->ifname, sizeof(drv->iface));
c5121837
JM		 870
871 drv->sock_xmit = l2_packet_init(drv->iface, NULL, ETH_P_EAPOL,
d3737256 872 handle_read, drv, 0);
c5121837
JM		 873 if (drv->sock_xmit == NULL)
874 goto bad;
412036f5 875 if (l2_packet_get_own_addr(drv->sock_xmit, params->own_addr))
c5121837
JM		 876 goto bad;
877
60bc3033
MH		 878 /* mark down during setup */
879 if (hostapd_bsd_ctrl_iface(drv, 0) < 0)
880 goto bad;
c5121837
JM		 881 if (bsd_wireless_event_init(drv))
882 goto bad;
883
5197244a
MH		 884 if (bsd_set_mediaopt(drv->ioctl_sock, drv->iface, IFM_OMASK,
885 IFM_IEEE80211_HOSTAP) < 0) {
886 wpa_printf(MSG_ERROR, "%s: failed to set operation mode",
887 __func__);
888 goto bad;
889 }
890
c5121837
JM		 891 return drv;
892bad:
893 if (drv->sock_xmit != NULL)
894 l2_packet_deinit(drv->sock_xmit);
895 if (drv->ioctl_sock >= 0)
896 close(drv->ioctl_sock);
897 if (drv != NULL)
82f36163 898 os_free(drv);
c5121837
JM		 899 return NULL;
900}
901
902
903static void
904bsd_deinit(void *priv)
905{
906 struct bsd_driver_data *drv = priv;
907
908 bsd_wireless_event_deinit(drv);
60bc3033 909 hostapd_bsd_ctrl_iface(drv, 0);
c5121837
JM		 910 if (drv->ioctl_sock >= 0)
911 close(drv->ioctl_sock);
912 if (drv->sock_xmit != NULL)
913 l2_packet_deinit(drv->sock_xmit);
82f36163 914 os_free(drv);
c5121837
JM		 915}
916
917const struct wpa_driver_ops wpa_driver_bsd_ops = {
918 .name = "bsd",
919 .hapd_init = bsd_init,
920 .hapd_deinit = bsd_deinit,
42f34a9b 921 .set_ieee8021x = hostapd_bsd_set_ieee8021x,
c5121837 922 .set_privacy = bsd_set_privacy,
719196b1 923 .set_key = hostapd_bsd_set_key,
c5121837
JM		 924 .get_seqnum = bsd_get_seqnum,
925 .flush = bsd_flush,
926 .set_generic_elem = bsd_set_opt_ie,
42f34a9b 927 .sta_set_flags = hostapd_bsd_sta_set_flags,
c5121837 928 .read_sta_data = bsd_read_sta_driver_data,
42f34a9b 929 .hapd_send_eapol = hostapd_bsd_send_eapol,
c5121837
JM		 930 .sta_disassoc = bsd_sta_disassoc,
931 .sta_deauth = bsd_sta_deauth,
66d4085f
RM		 932 .hapd_set_ssid = hostapd_bsd_set_ssid,
933 .hapd_get_ssid = hostapd_bsd_get_ssid,
42f34a9b 934 .set_freq = hostapd_bsd_set_freq,
c5121837
JM		 935};
936
937#else /* HOSTAPD */
938
6fc6879b
JM		 939struct wpa_driver_bsd_data {
940 int sock; /* open socket for 802.11 ioctls */
42f34a9b 941 struct l2_packet_data *sock_xmit;/* raw packet xmit socket */
6fc6879b
JM		 942 int route; /* routing socket for events */
943 char ifname[IFNAMSIZ+1]; /* interface name */
944 unsigned int ifindex; /* interface index */
945 void *ctx;
42f34a9b
MH		 946 struct wpa_driver_capa capa; /* driver capability */
947 int is_ap; /* Access point mode */
6fc6879b
JM		 948 int prev_roaming; /* roaming state to restore on deinit */
949 int prev_privacy; /* privacy state to restore on deinit */
950 int prev_wpa; /* wpa state to restore on deinit */
951};
952
953static int
954set80211var(struct wpa_driver_bsd_data *drv, int op, const void *arg, int arg_len)
955{
66d4085f 956 return bsd_set80211var(drv->sock, drv->ifname, op, arg, arg_len);
6fc6879b
JM		 957}
958
959static int
960get80211var(struct wpa_driver_bsd_data *drv, int op, void *arg, int arg_len)
961{
66d4085f 962 return bsd_get80211var(drv->sock, drv->ifname, op, arg, arg_len);
6fc6879b
JM		 963}
964
965static int
966set80211param(struct wpa_driver_bsd_data *drv, int op, int arg)
967{
66d4085f 968 return bsd_set80211param(drv->sock, drv->ifname, op, arg);
6fc6879b
JM		 969}
970
971static int
972get80211param(struct wpa_driver_bsd_data *drv, int op)
973{
974 struct ieee80211req ireq;
975
976 os_memset(&ireq, 0, sizeof(ireq));
66d4085f 977 os_strlcpy(ireq.i_name, drv->ifname, sizeof(ireq.i_name));
6fc6879b
JM		 978 ireq.i_type = op;
979
980 if (ioctl(drv->sock, SIOCG80211, &ireq) < 0) {
981 fprintf(stderr, "ioctl[SIOCG80211, op %u]: %s\n",
982 op, strerror(errno));
983 return -1;
984 }
985 return ireq.i_val;
986}
987
6fc6879b
JM		 988static int
989wpa_driver_bsd_get_bssid(void *priv, u8 *bssid)
990{
991 struct wpa_driver_bsd_data *drv = priv;
66d4085f 992#ifdef SIOCG80211BSSID
a65f4a57 993 struct ieee80211_bssid bs;
6fc6879b 994
a65f4a57
MH		 995 os_strncpy(bs.i_name, drv->ifname, sizeof(bs.i_name));
996 if (ioctl(drv->sock, SIOCG80211BSSID, &bs) < 0)
997 return -1;
998 os_memcpy(bssid, bs.i_bssid, sizeof(bs.i_bssid));
999 return 0;
1000#else
6fc6879b
JM		 1001 return get80211var(drv, IEEE80211_IOC_BSSID,
1002 bssid, IEEE80211_ADDR_LEN) < 0 ? -1 : 0;
a65f4a57 1003#endif
6fc6879b
JM		 1004}
1005
1006#if 0
1007static int
1008wpa_driver_bsd_set_bssid(void *priv, const char *bssid)
1009{
1010 struct wpa_driver_bsd_data *drv = priv;
1011
1012 return set80211var(drv, IEEE80211_IOC_BSSID,
1013 bssid, IEEE80211_ADDR_LEN);
1014}
1015#endif
1016
1017static int
1018wpa_driver_bsd_get_ssid(void *priv, u8 *ssid)
1019{
1020 struct wpa_driver_bsd_data *drv = priv;
1021
66d4085f 1022 return bsd_get_ssid(drv->sock, drv->ifname, ssid);
6fc6879b
JM		 1023}
1024
1025static int
4df91b3f 1026wpa_driver_bsd_set_ssid(void *priv, const u8 *ssid,
6fc6879b
JM		 1027 size_t ssid_len)
1028{
1029 struct wpa_driver_bsd_data *drv = priv;
1030
66d4085f 1031 return bsd_set_ssid(drv->sock, drv->ifname, ssid, ssid_len);
6fc6879b
JM		 1032}
1033
1034static int
1035wpa_driver_bsd_set_wpa_ie(struct wpa_driver_bsd_data *drv,
4df91b3f 1036 const u8 *wpa_ie, size_t wpa_ie_len)
6fc6879b 1037{
c610dba1
MH		 1038#ifdef IEEE80211_IOC_APPIE
1039 return set80211var(drv, IEEE80211_IOC_APPIE, wpa_ie, wpa_ie_len);
1040#else /* IEEE80211_IOC_APPIE */
6fc6879b 1041 return set80211var(drv, IEEE80211_IOC_OPTIE, wpa_ie, wpa_ie_len);
c610dba1 1042#endif /* IEEE80211_IOC_APPIE */
6fc6879b
JM		 1043}
1044
1045static int
1046wpa_driver_bsd_set_wpa_internal(void *priv, int wpa, int privacy)
1047{
1048 struct wpa_driver_bsd_data *drv = priv;
1049 int ret = 0;
1050
1051 wpa_printf(MSG_DEBUG, "%s: wpa=%d privacy=%d",
1052 __FUNCTION__, wpa, privacy);
1053
1054 if (!wpa && wpa_driver_bsd_set_wpa_ie(drv, NULL, 0) < 0)
1055 ret = -1;
1056 if (set80211param(drv, IEEE80211_IOC_PRIVACY, privacy) < 0)
1057 ret = -1;
1058 if (set80211param(drv, IEEE80211_IOC_WPA, wpa) < 0)
1059 ret = -1;
1060
1061 return ret;
1062}
1063
1064static int
1065wpa_driver_bsd_set_wpa(void *priv, int enabled)
1066{
1067 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __FUNCTION__, enabled);
1068
1069 return wpa_driver_bsd_set_wpa_internal(priv, enabled ? 3 : 0, enabled);
1070}
1071
6fc6879b 1072static int
71934751 1073wpa_driver_bsd_set_key(const char *ifname, void *priv, enum wpa_alg alg,
6fc6879b
JM		 1074 const unsigned char *addr, int key_idx, int set_tx,
1075 const u8 *seq, size_t seq_len,
1076 const u8 *key, size_t key_len)
1077{
1078 struct wpa_driver_bsd_data *drv = priv;
6fc6879b 1079
719196b1
MH		 1080 if (alg == WPA_ALG_NONE) {
1081 if (addr == NULL ||
1082 os_memcmp(addr, "\xff\xff\xff\xff\xff\xff",
1083 IEEE80211_ADDR_LEN) == 0)
1084 return bsd_del_key(drv->sock, drv->ifname, NULL,
1085 key_idx);
1086 else
1087 return bsd_del_key(drv->sock, drv->ifname, addr,
1088 key_idx);
6fc6879b 1089 }
6fc6879b 1090
719196b1
MH		 1091 return bsd_set_key(drv->sock, drv->ifname, alg, addr, key_idx, set_tx,
1092 seq, seq_len, key, key_len);
6fc6879b
JM		 1093}
1094
1095static int
1096wpa_driver_bsd_set_countermeasures(void *priv, int enabled)
1097{
1098 struct wpa_driver_bsd_data *drv = priv;
1099
1100 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled);
1101 return set80211param(drv, IEEE80211_IOC_COUNTERMEASURES, enabled);
1102}
1103
1104
1105static int
1106wpa_driver_bsd_set_drop_unencrypted(void *priv, int enabled)
1107{
1108 struct wpa_driver_bsd_data *drv = priv;
1109
1110 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled);
1111 return set80211param(drv, IEEE80211_IOC_DROPUNENCRYPTED, enabled);
1112}
1113
1114static int
1115wpa_driver_bsd_deauthenticate(void *priv, const u8 *addr, int reason_code)
1116{
1117 struct wpa_driver_bsd_data *drv = priv;
6fc6879b 1118
fa6b8afe
MH		 1119 return bsd_send_mlme_param(drv->sock, drv->ifname,
1120 IEEE80211_MLME_DEAUTH, reason_code, addr);
6fc6879b
JM		 1121}
1122
1123static int
1124wpa_driver_bsd_disassociate(void *priv, const u8 *addr, int reason_code)
1125{
1126 struct wpa_driver_bsd_data *drv = priv;
6fc6879b 1127
fa6b8afe
MH		 1128 return bsd_send_mlme_param(drv->sock, drv->ifname,
1129 IEEE80211_MLME_DISASSOC, reason_code, addr);
6fc6879b
JM		 1130}
1131
2a91091e
MH		 1132static int
1133wpa_driver_bsd_set_auth_alg(void *priv, int auth_alg)
1134{
1135 struct wpa_driver_bsd_data *drv = priv;
1136 int authmode;
1137
abd9fafa
JM		 1138 if ((auth_alg & WPA_AUTH_ALG_OPEN) &&
1139 (auth_alg & WPA_AUTH_ALG_SHARED))
2a91091e 1140 authmode = IEEE80211_AUTH_AUTO;
abd9fafa 1141 else if (auth_alg & WPA_AUTH_ALG_SHARED)
2a91091e
MH		 1142 authmode = IEEE80211_AUTH_SHARED;
1143 else
1144 authmode = IEEE80211_AUTH_OPEN;
1145
1146 return set80211param(drv, IEEE80211_IOC_AUTHMODE, authmode);
1147}
1148
42f34a9b
MH		 1149static void
1150handle_read(void *ctx, const u8 *src_addr, const u8 *buf, size_t len)
1151{
1152 struct wpa_driver_bsd_data *drv = ctx;
1153
1154 drv_event_eapol_rx(drv->ctx, src_addr, buf, len);
1155}
1156
6fc6879b
JM		 1157static int
1158wpa_driver_bsd_associate(void *priv, struct wpa_driver_associate_params *params)
1159{
1160 struct wpa_driver_bsd_data *drv = priv;
1161 struct ieee80211req_mlme mlme;
42f34a9b
MH		 1162 u32 mode;
1163 u16 channel;
6fc6879b 1164 int privacy;
4a867032 1165 int ret = 0;
6fc6879b
JM		 1166
1167 wpa_printf(MSG_DEBUG,
1168 "%s: ssid '%.*s' wpa ie len %u pairwise %u group %u key mgmt %u"
1169 , __func__
92e63aaf
JM		 1170 , (unsigned int) params->ssid_len, params->ssid
1171 , (unsigned int) params->wpa_ie_len
6fc6879b
JM		 1172 , params->pairwise_suite
1173 , params->group_suite
1174 , params->key_mgmt_suite
1175 );
1176
42f34a9b
MH		 1177 switch (params->mode) {
1178 case IEEE80211_MODE_INFRA:
1179 mode = 0 /* STA */;
1180 break;
1181 case IEEE80211_MODE_IBSS:
1182 mode = IFM_IEEE80211_IBSS;
1183 break;
1184 case IEEE80211_MODE_AP:
1185 mode = IFM_IEEE80211_HOSTAP;
1186 break;
1187 default:
1188 wpa_printf(MSG_ERROR, "%s: unknown operation mode", __func__);
1189 return -1;
1190 }
1191 if (bsd_set_mediaopt(drv->sock, drv->ifname, IFM_OMASK, mode) < 0) {
1192 wpa_printf(MSG_ERROR, "%s: failed to set operation mode",
1193 __func__);
1194 return -1;
1195 }
1196
1197 if (params->mode == IEEE80211_MODE_AP) {
1198 if (params->freq >= 2412 && params->freq <= 2472)
1199 channel = (params->freq - 2407) / 5;
1200 else if (params->freq == 2484)
1201 channel = 14;
1202 else if ((params->freq >= 5180 && params->freq <= 5240) ||
1203 (params->freq >= 5745 && params->freq <= 5825))
1204 channel = (params->freq - 5000) / 5;
1205 else
1206 channel = 0;
1207 if (bsd_set_freq(drv->sock, drv->ifname, channel) < 0)
1208 return -1;
1209
1210 drv->sock_xmit = l2_packet_init(drv->ifname, NULL, ETH_P_EAPOL,
1211 handle_read, drv, 0);
1212 if (drv->sock_xmit == NULL)
1213 return -1;
1214 drv->is_ap = 1;
1215 return 0;
1216 }
1217
4a867032
JM		 1218 if (wpa_driver_bsd_set_drop_unencrypted(drv, params->drop_unencrypted)
1219 < 0)
1220 ret = -1;
1221 if (wpa_driver_bsd_set_auth_alg(drv, params->auth_alg) < 0)
1222 ret = -1;
6fc6879b
JM		 1223 /* XXX error handling is wrong but unclear what to do... */
1224 if (wpa_driver_bsd_set_wpa_ie(drv, params->wpa_ie, params->wpa_ie_len) < 0)
1225 return -1;
6fc6879b
JM		 1226
1227 privacy = !(params->pairwise_suite == CIPHER_NONE &&
1228 params->group_suite == CIPHER_NONE &&
1229 params->key_mgmt_suite == KEY_MGMT_NONE &&
1230 params->wpa_ie_len == 0);
1231 wpa_printf(MSG_DEBUG, "%s: set PRIVACY %u", __func__, privacy);
1232
1233 if (set80211param(drv, IEEE80211_IOC_PRIVACY, privacy) < 0)
1234 return -1;
1235
1236 if (params->wpa_ie_len &&
1237 set80211param(drv, IEEE80211_IOC_WPA,
1238 params->wpa_ie[0] == WLAN_EID_RSN ? 2 : 1) < 0)
1239 return -1;
1240
1241 os_memset(&mlme, 0, sizeof(mlme));
1242 mlme.im_op = IEEE80211_MLME_ASSOC;
6fc6879b
JM		 1243 if (params->ssid != NULL)
1244 os_memcpy(mlme.im_ssid, params->ssid, params->ssid_len);
1245 mlme.im_ssid_len = params->ssid_len;
6fc6879b
JM		 1246 if (params->bssid != NULL)
1247 os_memcpy(mlme.im_macaddr, params->bssid, IEEE80211_ADDR_LEN);
1248 if (set80211var(drv, IEEE80211_IOC_MLME, &mlme, sizeof(mlme)) < 0)
1249 return -1;
4a867032 1250 return ret;
6fc6879b
JM		 1251}
1252
60bc3033
MH		 1253static int
1254wpa_driver_bsd_ctrl_iface(struct wpa_driver_bsd_data *drv, int enable)
1255{
1256 return bsd_ctrl_iface(drv->sock, drv->ifname, enable);
1257}
1258
6fc6879b 1259static int
c2e8d0a0 1260wpa_driver_bsd_scan(void *priv, struct wpa_driver_scan_params *params)
6fc6879b
JM		 1261{
1262 struct wpa_driver_bsd_data *drv = priv;
c2e8d0a0
JM		 1263 const u8 *ssid = params->ssids[0].ssid;
1264 size_t ssid_len = params->ssids[0].ssid_len;
6fc6879b 1265
42f34a9b
MH		 1266 if (set80211param(drv, IEEE80211_IOC_ROAMING,
1267 IEEE80211_ROAMING_MANUAL) < 0) {
1268 wpa_printf(MSG_ERROR, "%s: failed to set "
1269 "wpa_supplicant-based roaming: %s", __func__,
1270 strerror(errno));
1271 return -1;
1272 }
1273
1274 if (wpa_driver_bsd_set_wpa(drv, 1) < 0) {
1275 wpa_printf(MSG_ERROR, "%s: failed to set wpa: %s", __func__,
1276 strerror(errno));
1277 return -1;
1278 }
1279
6fc6879b 1280 /* NB: interface must be marked UP to do a scan */
60bc3033 1281 if (wpa_driver_bsd_ctrl_iface(drv, 1) < 0)
6fc6879b
JM		 1282 return -1;
1283
1284 /* set desired ssid before scan */
1285 if (wpa_driver_bsd_set_ssid(drv, ssid, ssid_len) < 0)
1286 return -1;
1287
1288 /* NB: net80211 delivers a scan complete event so no need to poll */
1289 return set80211param(drv, IEEE80211_IOC_SCAN_REQ, 0);
1290}
1291
6fc6879b
JM		 1292static void
1293wpa_driver_bsd_event_receive(int sock, void *ctx, void *sock_ctx)
1294{
1295 struct wpa_driver_bsd_data *drv = sock_ctx;
1296 char buf[2048];
1297 struct if_announcemsghdr *ifan;
1298 struct if_msghdr *ifm;
1299 struct rt_msghdr *rtm;
1300 union wpa_event_data event;
1301 struct ieee80211_michael_event *mic;
42f34a9b
MH		 1302 struct ieee80211_leave_event *leave;
1303 struct ieee80211_join_event *join;
6fc6879b
JM		 1304 int n;
1305
1306 n = read(sock, buf, sizeof(buf));
1307 if (n < 0) {
1308 if (errno != EINTR && errno != EAGAIN)
1309 perror("read(PF_ROUTE)");
1310 return;
1311 }
1312
1313 rtm = (struct rt_msghdr *) buf;
1314 if (rtm->rtm_version != RTM_VERSION) {
1315 wpa_printf(MSG_DEBUG, "Routing message version %d not "
1316 "understood\n", rtm->rtm_version);
1317 return;
1318 }
1319 os_memset(&event, 0, sizeof(event));
1320 switch (rtm->rtm_type) {
1321 case RTM_IFANNOUNCE:
1322 ifan = (struct if_announcemsghdr *) rtm;
1323 if (ifan->ifan_index != drv->ifindex)
1324 break;
1325 strlcpy(event.interface_status.ifname, drv->ifname,
1326 sizeof(event.interface_status.ifname));
1327 switch (ifan->ifan_what) {
1328 case IFAN_DEPARTURE:
1329 event.interface_status.ievent = EVENT_INTERFACE_REMOVED;
1330 default:
1331 return;
1332 }
1333 wpa_printf(MSG_DEBUG, "RTM_IFANNOUNCE: Interface '%s' %s",
1334 event.interface_status.ifname,
1335 ifan->ifan_what == IFAN_DEPARTURE ?
1336 "removed" : "added");
1337 wpa_supplicant_event(ctx, EVENT_INTERFACE_STATUS, &event);
1338 break;
1339 case RTM_IEEE80211:
1340 ifan = (struct if_announcemsghdr *) rtm;
1341 if (ifan->ifan_index != drv->ifindex)
1342 break;
1343 switch (ifan->ifan_what) {
1344 case RTM_IEEE80211_ASSOC:
1345 case RTM_IEEE80211_REASSOC:
42f34a9b
MH		 1346 if (drv->is_ap)
1347 break;
6fc6879b
JM		 1348 wpa_supplicant_event(ctx, EVENT_ASSOC, NULL);
1349 break;
1350 case RTM_IEEE80211_DISASSOC:
42f34a9b
MH		 1351 if (drv->is_ap)
1352 break;
6fc6879b
JM		 1353 wpa_supplicant_event(ctx, EVENT_DISASSOC, NULL);
1354 break;
1355 case RTM_IEEE80211_SCAN:
42f34a9b
MH		 1356 if (drv->is_ap)
1357 break;
6fc6879b
JM		 1358 wpa_supplicant_event(ctx, EVENT_SCAN_RESULTS, NULL);
1359 break;
42f34a9b
MH		 1360 case RTM_IEEE80211_LEAVE:
1361 leave = (struct ieee80211_leave_event *) &ifan[1];
1362 drv_event_disassoc(ctx, leave->iev_addr);
1363 break;
1364 case RTM_IEEE80211_JOIN:
1365#ifdef RTM_IEEE80211_REJOIN
1366 case RTM_IEEE80211_REJOIN:
1367#endif
1368 join = (struct ieee80211_join_event *) &ifan[1];
1369 bsd_new_sta(drv->sock, drv->ifname, ctx,
1370 join->iev_addr);
1371 break;
6fc6879b
JM		 1372 case RTM_IEEE80211_REPLAY:
1373 /* ignore */
1374 break;
1375 case RTM_IEEE80211_MICHAEL:
1376 mic = (struct ieee80211_michael_event *) &ifan[1];
1377 wpa_printf(MSG_DEBUG,
1378 "Michael MIC failure wireless event: "
1379 "keyix=%u src_addr=" MACSTR, mic->iev_keyix,
1380 MAC2STR(mic->iev_src));
1381
1382 os_memset(&event, 0, sizeof(event));
1383 event.michael_mic_failure.unicast =
1384 !IEEE80211_IS_MULTICAST(mic->iev_dst);
1385 wpa_supplicant_event(ctx, EVENT_MICHAEL_MIC_FAILURE,
1386 &event);
1387 break;
1388 }
1389 break;
1390 case RTM_IFINFO:
1391 ifm = (struct if_msghdr *) rtm;
1392 if (ifm->ifm_index != drv->ifindex)
1393 break;
1394 if ((rtm->rtm_flags & RTF_UP) == 0) {
1395 strlcpy(event.interface_status.ifname, drv->ifname,
1396 sizeof(event.interface_status.ifname));
1397 event.interface_status.ievent = EVENT_INTERFACE_REMOVED;
1398 wpa_printf(MSG_DEBUG, "RTM_IFINFO: Interface '%s' DOWN",
1399 event.interface_status.ifname);
1400 wpa_supplicant_event(ctx, EVENT_INTERFACE_STATUS, &event);
1401 }
1402 break;
1403 }
1404}
1405
a65f4a57
MH		 1406static void
1407wpa_driver_bsd_add_scan_entry(struct wpa_scan_results *res,
1408 struct ieee80211req_scan_result *sr)
6fc6879b 1409{
a65f4a57
MH		 1410 struct wpa_scan_res *result, **tmp;
1411 size_t extra_len;
1412 u8 *pos;
6fc6879b 1413
a65f4a57
MH		 1414 extra_len = 2 + sr->isr_ssid_len;
1415 extra_len += 2 + sr->isr_nrates;
1416 extra_len += 3; /* ERP IE */
1417 extra_len += sr->isr_ie_len;
6fc6879b 1418
a65f4a57
MH		 1419 result = os_zalloc(sizeof(*result) + extra_len);
1420 if (result == NULL)
1421 return;
1422 os_memcpy(result->bssid, sr->isr_bssid, ETH_ALEN);
1423 result->freq = sr->isr_freq;
1424 result->beacon_int = sr->isr_intval;
1425 result->caps = sr->isr_capinfo;
1426 result->qual = sr->isr_rssi;
1427 result->noise = sr->isr_noise;
6fc6879b 1428
a65f4a57 1429 pos = (u8 *)(result + 1);
6fc6879b 1430
a65f4a57
MH		 1431 *pos++ = WLAN_EID_SSID;
1432 *pos++ = sr->isr_ssid_len;
1433 os_memcpy(pos, sr + 1, sr->isr_ssid_len);
1434 pos += sr->isr_ssid_len;
6fc6879b 1435
a65f4a57
MH		 1436 /*
1437 * Deal all rates as supported rate.
1438 * Because net80211 doesn't report extended supported rate or not.
1439 */
1440 *pos++ = WLAN_EID_SUPP_RATES;
1441 *pos++ = sr->isr_nrates;
1442 os_memcpy(pos, sr->isr_rates, sr->isr_nrates);
1443 pos += sr->isr_nrates;
6fc6879b 1444
a65f4a57
MH		 1445 *pos++ = WLAN_EID_ERP_INFO;
1446 *pos++ = 1;
1447 *pos++ = sr->isr_erp;
6fc6879b 1448
a65f4a57
MH		 1449 os_memcpy(pos, (u8 *)(sr + 1) + sr->isr_ssid_len, sr->isr_ie_len);
1450 pos += sr->isr_ie_len;
6fc6879b 1451
a65f4a57
MH		 1452 result->ie_len = pos - (u8 *)(result + 1);
1453
1454 tmp = os_realloc(res->res,
1455 (res->num + 1) * sizeof(struct wpa_scan_res *));
1456 if (tmp == NULL) {
1457 os_free(result);
1458 return;
1459 }
1460 tmp[res->num++] = result;
1461 res->res = tmp;
6fc6879b
JM		 1462}
1463
a65f4a57
MH		 1464struct wpa_scan_results *
1465wpa_driver_bsd_get_scan_results2(void *priv)
6fc6879b 1466{
6fc6879b 1467 struct wpa_driver_bsd_data *drv = priv;
6fc6879b 1468 struct ieee80211req_scan_result *sr;
a65f4a57
MH		 1469 struct wpa_scan_results *res;
1470 int len, rest;
1471 uint8_t buf[24*1024], *pos;
6fc6879b 1472
a65f4a57 1473 len = get80211var(drv, IEEE80211_IOC_SCAN_RESULTS, buf, 24*1024);
6fc6879b 1474 if (len < 0)
a65f4a57
MH		 1475 return NULL;
1476
1477 res = os_zalloc(sizeof(*res));
1478 if (res == NULL)
1479 return NULL;
6fc6879b 1480
a65f4a57
MH		 1481 pos = buf;
1482 rest = len;
1483 while (rest >= sizeof(struct ieee80211req_scan_result)) {
1484 sr = (struct ieee80211req_scan_result *)pos;
1485 wpa_driver_bsd_add_scan_entry(res, sr);
1486 pos += sr->isr_len;
1487 rest -= sr->isr_len;
6fc6879b 1488 }
6fc6879b 1489
a65f4a57
MH		 1490 wpa_printf(MSG_DEBUG, "Received %d bytes of scan results (%lu BSSes)",
1491 len, (unsigned long)res->num);
6fc6879b 1492
a65f4a57 1493 return res;
6fc6879b
JM		 1494}
1495
42f34a9b
MH		 1496static int wpa_driver_bsd_capa(struct wpa_driver_bsd_data *drv)
1497{
1498 /* For now, assume TKIP, CCMP, WPA, WPA2 are supported */
1499 drv->capa.key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA |
1500 WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
1501 WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
1502 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK;
1503 drv->capa.enc = WPA_DRIVER_CAPA_ENC_WEP40 |
1504 WPA_DRIVER_CAPA_ENC_WEP104 |
1505 WPA_DRIVER_CAPA_ENC_TKIP |
1506 WPA_DRIVER_CAPA_ENC_CCMP;
1507 drv->capa.auth = WPA_DRIVER_AUTH_OPEN |
1508 WPA_DRIVER_AUTH_SHARED |
1509 WPA_DRIVER_AUTH_LEAP;
1510
1511 //drv->capa.max_scan_ssids = info.max_scan_ssids;
1512 drv->capa.flags |= WPA_DRIVER_FLAGS_AP;
1513
1514 return 0;
1515}
1516
6fc6879b
JM		 1517static void *
1518wpa_driver_bsd_init(void *ctx, const char *ifname)
1519{
1520#define GETPARAM(drv, param, v) \
1521 (((v) = get80211param(drv, param)) != -1)
1522 struct wpa_driver_bsd_data *drv;
1523
1524 drv = os_zalloc(sizeof(*drv));
1525 if (drv == NULL)
1526 return NULL;
1527 /*
1528 * NB: We require the interface name be mappable to an index.
1529 * This implies we do not support having wpa_supplicant
1530 * wait for an interface to appear. This seems ok; that
1531 * doesn't belong here; it's really the job of devd.
1532 */
1533 drv->ifindex = if_nametoindex(ifname);
1534 if (drv->ifindex == 0) {
1535 wpa_printf(MSG_DEBUG, "%s: interface %s does not exist",
1536 __func__, ifname);
1537 goto fail1;
1538 }
1539 drv->sock = socket(PF_INET, SOCK_DGRAM, 0);
1540 if (drv->sock < 0)
1541 goto fail1;
1542 drv->route = socket(PF_ROUTE, SOCK_RAW, 0);
1543 if (drv->route < 0)
1544 goto fail;
1545 eloop_register_read_sock(drv->route,
1546 wpa_driver_bsd_event_receive, ctx, drv);
1547
1548 drv->ctx = ctx;
1549 os_strlcpy(drv->ifname, ifname, sizeof(drv->ifname));
1550
42f34a9b
MH		 1551 /* Down interface during setup. */
1552 if (wpa_driver_bsd_ctrl_iface(drv, 0) < 0)
1553 goto fail;
1554
6fc6879b
JM		 1555 if (!GETPARAM(drv, IEEE80211_IOC_ROAMING, drv->prev_roaming)) {
1556 wpa_printf(MSG_DEBUG, "%s: failed to get roaming state: %s",
1557 __func__, strerror(errno));
1558 goto fail;
1559 }
1560 if (!GETPARAM(drv, IEEE80211_IOC_PRIVACY, drv->prev_privacy)) {
1561 wpa_printf(MSG_DEBUG, "%s: failed to get privacy state: %s",
1562 __func__, strerror(errno));
1563 goto fail;
1564 }
1565 if (!GETPARAM(drv, IEEE80211_IOC_WPA, drv->prev_wpa)) {
1566 wpa_printf(MSG_DEBUG, "%s: failed to get wpa state: %s",
1567 __func__, strerror(errno));
1568 goto fail;
1569 }
5197244a
MH		 1570
1571 if (bsd_set_mediaopt(drv->sock, drv->ifname, IFM_OMASK,
1572 0 /* STA */) < 0) {
1573 wpa_printf(MSG_ERROR, "%s: failed to set operation mode",
1574 __func__);
1575 goto fail;
1576 }
6fc6879b 1577
42f34a9b 1578 if (wpa_driver_bsd_capa(drv))
6fc6879b 1579 goto fail;
4a867032 1580
6fc6879b
JM		 1581 return drv;
1582fail:
1583 close(drv->sock);
1584fail1:
1585 os_free(drv);
1586 return NULL;
1587#undef GETPARAM
1588}
1589
1590static void
1591wpa_driver_bsd_deinit(void *priv)
1592{
1593 struct wpa_driver_bsd_data *drv = priv;
6fc6879b 1594
4a867032 1595 wpa_driver_bsd_set_wpa(drv, 0);
6fc6879b
JM		 1596 eloop_unregister_read_sock(drv->route);
1597
1598 /* NB: mark interface down */
60bc3033 1599 wpa_driver_bsd_ctrl_iface(drv, 0);
6fc6879b
JM		 1600
1601 wpa_driver_bsd_set_wpa_internal(drv, drv->prev_wpa, drv->prev_privacy);
1602 if (set80211param(drv, IEEE80211_IOC_ROAMING, drv->prev_roaming) < 0)
1603 wpa_printf(MSG_DEBUG, "%s: failed to restore roaming state",
1604 __func__);
1605
42f34a9b
MH		 1606 if (drv->sock_xmit != NULL)
1607 l2_packet_deinit(drv->sock_xmit);
6fc6879b
JM		 1608 (void) close(drv->route); /* ioctl socket */
1609 (void) close(drv->sock); /* event socket */
1610 os_free(drv);
1611}
1612
42f34a9b
MH		 1613static int
1614wpa_driver_bsd_get_capa(void *priv, struct wpa_driver_capa *capa)
1615{
1616 struct wpa_driver_bsd_data *drv = priv;
1617
1618 os_memcpy(capa, &drv->capa, sizeof(*capa));
1619 return 0;
1620}
1621
1622static int
1623wpa_driver_bsd_set_ieee8021x(void *priv, struct wpa_bss_params *params)
1624{
1625 struct wpa_driver_bsd_data *drv = priv;
1626
1627 return bsd_set_ieee8021x(drv->sock, drv->ifname, params);
1628}
1629
1630static int
1631wpa_driver_bsd_hapd_set_ssid(const char *ifname, void *priv, const u8 *buf,
1632 int len)
1633{
1634 return wpa_driver_bsd_set_ssid(priv, buf, len);
1635}
1636
1637static int
1638wpa_driver_bsd_hapd_get_ssid(const char *ifname, void *priv, u8 *buf, int len)
1639{
1640 return wpa_driver_bsd_get_ssid(priv, buf);
1641}
1642
1643static int
1644wpa_driver_bsd_send_eapol(void *priv, const u8 *addr, const u8 *data,
1645 size_t data_len, int encrypt, const u8 *own_addr)
1646{
1647 struct wpa_driver_bsd_data *drv = priv;
1648
1649 return bsd_send_eapol(drv->sock_xmit, addr, data, data_len);
1650}
1651
1652static int
1653wpa_driver_bsd_sta_set_flags(void *priv, const u8 *addr, int total_flags,
1654 int flags_or, int flags_and)
1655{
1656 struct wpa_driver_bsd_data *drv = priv;
1657
1658 return bsd_set_sta_authorized(drv->sock, drv->ifname, addr,
1659 total_flags, flags_or, flags_and);
1660}
1661
6fc6879b
JM		 1662
1663const struct wpa_driver_ops wpa_driver_bsd_ops = {
1664 .name = "bsd",
66d4085f 1665 .desc = "BSD 802.11 support",
6fc6879b
JM		 1666 .init = wpa_driver_bsd_init,
1667 .deinit = wpa_driver_bsd_deinit,
1668 .get_bssid = wpa_driver_bsd_get_bssid,
1669 .get_ssid = wpa_driver_bsd_get_ssid,
6fc6879b
JM		 1670 .set_key = wpa_driver_bsd_set_key,
1671 .set_countermeasures = wpa_driver_bsd_set_countermeasures,
c2e8d0a0 1672 .scan2 = wpa_driver_bsd_scan,
a65f4a57 1673 .get_scan_results2 = wpa_driver_bsd_get_scan_results2,
6fc6879b
JM		 1674 .deauthenticate = wpa_driver_bsd_deauthenticate,
1675 .disassociate = wpa_driver_bsd_disassociate,
1676 .associate = wpa_driver_bsd_associate,
42f34a9b
MH		 1677 .get_capa = wpa_driver_bsd_get_capa,
1678 .set_ieee8021x = wpa_driver_bsd_set_ieee8021x,
1679 .hapd_set_ssid = wpa_driver_bsd_hapd_set_ssid,
1680 .hapd_get_ssid = wpa_driver_bsd_hapd_get_ssid,
1681 .hapd_send_eapol = wpa_driver_bsd_send_eapol,
1682 .sta_set_flags = wpa_driver_bsd_sta_set_flags,
6fc6879b 1683};
c5121837
JM		 1684
1685#endif /* HOSTAPD */
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