]> git.ipfire.org Git - thirdparty/hostap.git/blame - src/drivers/driver_bsd.c
projects / thirdparty / hostap.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
bsd: Enable auto configuration
[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
66d4085f
RM		 49/* Generic functions for hostapd and wpa_supplicant */
50
51static int
52bsd_set80211var(int s, const char *ifname, int op, const void *arg, int arg_len)
53{
54 struct ieee80211req ireq;
55
56 os_memset(&ireq, 0, sizeof(ireq));
57 os_strlcpy(ireq.i_name, ifname, sizeof(ireq.i_name));
58 ireq.i_type = op;
59 ireq.i_len = arg_len;
60 ireq.i_data = (void *) arg;
61
62 if (ioctl(s, SIOCS80211, &ireq) < 0) {
63 fprintf(stderr, "ioctl[SIOCS80211, op %u, len %u]: %s\n",
64 op, arg_len, strerror(errno));
65 return -1;
66 }
67 return 0;
68}
69
70static int
71bsd_get80211var(int s, const char *ifname, int op, void *arg, int arg_len)
72{
73 struct ieee80211req ireq;
74
75 os_memset(&ireq, 0, sizeof(ireq));
76 os_strlcpy(ireq.i_name, ifname, sizeof(ireq.i_name));
77 ireq.i_type = op;
78 ireq.i_len = arg_len;
79 ireq.i_data = arg;
80
81 if (ioctl(s, SIOCG80211, &ireq) < 0) {
82 fprintf(stderr, "ioctl[SIOCG80211, op %u, len %u]: %s\n",
83 op, arg_len, strerror(errno));
84 return -1;
85 }
86 return ireq.i_len;
87}
88
89static int
90bsd_set80211param(int s, const char *ifname, int op, int arg)
91{
92 struct ieee80211req ireq;
93
94 os_memset(&ireq, 0, sizeof(ireq));
95 os_strlcpy(ireq.i_name, ifname, sizeof(ireq.i_name));
96 ireq.i_type = op;
97 ireq.i_val = arg;
98
99 if (ioctl(s, SIOCS80211, &ireq) < 0) {
100 fprintf(stderr, "ioctl[SIOCS80211, op %u, arg 0x%x]: %s\n",
101 op, arg, strerror(errno));
102 return -1;
103 }
104 return 0;
105}
106
107static int
108bsd_get_ssid(int s, const char *ifname, u8 *ssid)
109{
110#ifdef SIOCG80211NWID
111 struct ieee80211_nwid nwid;
112 struct ifreq ifr;
113
114 os_memset(&ifr, 0, sizeof(ifr));
115 os_strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
116 ifr.ifr_data = (void *)&nwid;
117 if (ioctl(s, SIOCG80211NWID, &ifr) < 0 ||
118 nwid.i_len > IEEE80211_NWID_LEN)
119 return -1;
120 os_memcpy(ssid, nwid.i_nwid, nwid.i_len);
121 return nwid.i_len;
122#else
123 return bsd_get80211var(s, ifname, IEEE80211_IOC_SSID,
124 ssid, IEEE80211_NWID_LEN);
125#endif
126}
127
128static int
129bsd_set_ssid(int s, const char *ifname, const u8 *ssid, size_t ssid_len)
130{
131#ifdef SIOCS80211NWID
132 struct ieee80211_nwid nwid;
133 struct ifreq ifr;
134
135 os_memcpy(nwid.i_nwid, ssid, ssid_len);
136 nwid.i_len = ssid_len;
137 os_memset(&ifr, 0, sizeof(ifr));
138 os_strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
139 ifr.ifr_data = (void *)&nwid;
140 return ioctl(s, SIOCS80211NWID, &ifr);
141#else
142 return bsd_set80211var(s, ifname, IEEE80211_IOC_SSID, ssid, ssid_len);
143#endif
144}
145
5197244a
MH		 146static int
147bsd_get_if_media(int s, const char *ifname)
148{
149 struct ifmediareq ifmr;
150
151 os_memset(&ifmr, 0, sizeof(ifmr));
152 os_strlcpy(ifmr.ifm_name, ifname, sizeof(ifmr.ifm_name));
153
154 if (ioctl(s, SIOCGIFMEDIA, &ifmr) < 0) {
155 wpa_printf(MSG_ERROR, "%s: SIOCGIFMEDIA %s", __func__,
156 strerror(errno));
157 return -1;
158 }
159
160 return ifmr.ifm_current;
161}
162
163static int
164bsd_set_if_media(int s, const char *ifname, int media)
165{
166 struct ifreq ifr;
167
168 os_memset(&ifr, 0, sizeof(ifr));
169 os_strlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
170 ifr.ifr_media = media;
171
172 if (ioctl(s, SIOCSIFMEDIA, &ifr) < 0) {
173 wpa_printf(MSG_ERROR, "%s: SIOCSIFMEDIA %s", __func__,
174 strerror(errno));
175 return -1;
176 }
177
178 return 0;
179}
180
181static int
182bsd_set_mediaopt(int s, const char *ifname, uint32_t mask, uint32_t mode)
183{
184 int media = bsd_get_if_media(s, ifname);
185
186 if (media < 0)
187 return -1;
188 media &= ~mask;
189 media |= mode;
190 if (bsd_set_if_media(s, ifname, media) < 0)
191 return -1;
192 return 0;
193}
194
66d4085f 195
131289d8 196#ifdef HOSTAPD
6fc6879b 197
c5121837
JM		 198/*
199 * Avoid conflicts with hostapd definitions by undefining couple of defines
200 * from net80211 header files.
201 */
202#undef RSN_VERSION
203#undef WPA_VERSION
204#undef WPA_OUI_TYPE
205
c5121837 206#include "l2_packet/l2_packet.h"
c5121837
JM		 207
208struct bsd_driver_data {
209 struct hostapd_data *hapd; /* back pointer */
210
211 char iface[IFNAMSIZ + 1];
212 struct l2_packet_data *sock_xmit; /* raw packet xmit socket */
213 int ioctl_sock; /* socket for ioctl() use */
214 int wext_sock; /* socket for wireless events */
215};
216
731723a5
JM		 217static int bsd_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
218 int reason_code);
c5121837
JM		 219
220static int
221set80211var(struct bsd_driver_data *drv, int op, const void *arg, int arg_len)
222{
66d4085f 223 return bsd_set80211var(drv->ioctl_sock, drv->iface, op, arg, arg_len);
c5121837
JM		 224}
225
226static int
227get80211var(struct bsd_driver_data *drv, int op, void *arg, int arg_len)
228{
66d4085f 229 return bsd_get80211var(drv->ioctl_sock, drv->iface, op, arg, arg_len);
c5121837
JM		 230}
231
232static int
233set80211param(struct bsd_driver_data *drv, int op, int arg)
234{
66d4085f 235 return bsd_set80211param(drv->ioctl_sock, drv->iface, op, arg);
c5121837
JM		 236}
237
238static const char *
239ether_sprintf(const u8 *addr)
240{
241 static char buf[sizeof(MACSTR)];
242
243 if (addr != NULL)
244 snprintf(buf, sizeof(buf), MACSTR, MAC2STR(addr));
245 else
246 snprintf(buf, sizeof(buf), MACSTR, 0,0,0,0,0,0);
247 return buf;
248}
249
250/*
251 * Configure WPA parameters.
252 */
253static int
af586419 254bsd_configure_wpa(struct bsd_driver_data *drv, struct wpa_bss_params *params)
c5121837
JM		 255{
256 static const char *ciphernames[] =
257 { "WEP", "TKIP", "AES-OCB", "AES-CCM", "CKIP", "NONE" };
c5121837
JM		 258 int v;
259
af586419 260 switch (params->wpa_group) {
c5121837
JM		 261 case WPA_CIPHER_CCMP:
262 v = IEEE80211_CIPHER_AES_CCM;
263 break;
264 case WPA_CIPHER_TKIP:
265 v = IEEE80211_CIPHER_TKIP;
266 break;
267 case WPA_CIPHER_WEP104:
268 v = IEEE80211_CIPHER_WEP;
269 break;
270 case WPA_CIPHER_WEP40:
271 v = IEEE80211_CIPHER_WEP;
272 break;
273 case WPA_CIPHER_NONE:
274 v = IEEE80211_CIPHER_NONE;
275 break;
276 default:
277 printf("Unknown group key cipher %u\n",
af586419 278 params->wpa_group);
c5121837
JM		 279 return -1;
280 }
281 wpa_printf(MSG_DEBUG, "%s: group key cipher=%s (%u)",
282 __func__, ciphernames[v], v);
283 if (set80211param(drv, IEEE80211_IOC_MCASTCIPHER, v)) {
284 printf("Unable to set group key cipher to %u (%s)\n",
285 v, ciphernames[v]);
286 return -1;
287 }
288 if (v == IEEE80211_CIPHER_WEP) {
289 /* key length is done only for specific ciphers */
af586419 290 v = (params->wpa_group == WPA_CIPHER_WEP104 ? 13 : 5);
c5121837
JM		 291 if (set80211param(drv, IEEE80211_IOC_MCASTKEYLEN, v)) {
292 printf("Unable to set group key length to %u\n", v);
293 return -1;
294 }
295 }
296
297 v = 0;
af586419 298 if (params->wpa_pairwise & WPA_CIPHER_CCMP)
c5121837 299 v |= 1<<IEEE80211_CIPHER_AES_CCM;
af586419 300 if (params->wpa_pairwise & WPA_CIPHER_TKIP)
c5121837 301 v |= 1<<IEEE80211_CIPHER_TKIP;
af586419 302 if (params->wpa_pairwise & WPA_CIPHER_NONE)
c5121837
JM		 303 v |= 1<<IEEE80211_CIPHER_NONE;
304 wpa_printf(MSG_DEBUG, "%s: pairwise key ciphers=0x%x", __func__, v);
305 if (set80211param(drv, IEEE80211_IOC_UCASTCIPHERS, v)) {
306 printf("Unable to set pairwise key ciphers to 0x%x\n", v);
307 return -1;
308 }
309
310 wpa_printf(MSG_DEBUG, "%s: key management algorithms=0x%x",
af586419
JM		 311 __func__, params->wpa_key_mgmt);
312 if (set80211param(drv, IEEE80211_IOC_KEYMGTALGS, params->wpa_key_mgmt))
313 {
c5121837 314 printf("Unable to set key management algorithms to 0x%x\n",
af586419 315 params->wpa_key_mgmt);
c5121837
JM		 316 return -1;
317 }
318
319 v = 0;
af586419 320 if (params->rsn_preauth)
c5121837
JM		 321 v |= BIT(0);
322 wpa_printf(MSG_DEBUG, "%s: rsn capabilities=0x%x",
af586419 323 __func__, params->rsn_preauth);
c5121837
JM		 324 if (set80211param(drv, IEEE80211_IOC_RSNCAPS, v)) {
325 printf("Unable to set RSN capabilities to 0x%x\n", v);
326 return -1;
327 }
328
af586419
JM		 329 wpa_printf(MSG_DEBUG, "%s: enable WPA= 0x%x", __func__, params->wpa);
330 if (set80211param(drv, IEEE80211_IOC_WPA, params->wpa)) {
331 printf("Unable to set WPA to %u\n", params->wpa);
c5121837
JM		 332 return -1;
333 }
334 return 0;
335}
336
337
338static int
339bsd_set_iface_flags(void *priv, int dev_up)
340{
341 struct bsd_driver_data *drv = priv;
342 struct ifreq ifr;
343
344 wpa_printf(MSG_DEBUG, "%s: dev_up=%d", __func__, dev_up);
345
346 if (drv->ioctl_sock < 0)
347 return -1;
348
349 memset(&ifr, 0, sizeof(ifr));
66d4085f 350 os_strlcpy(ifr.ifr_name, drv->iface, sizeof(ifr.ifr_name));
c5121837
JM		 351
352 if (ioctl(drv->ioctl_sock, SIOCGIFFLAGS, &ifr) != 0) {
353 perror("ioctl[SIOCGIFFLAGS]");
354 return -1;
355 }
356
357 if (dev_up)
358 ifr.ifr_flags |= IFF_UP;
359 else
360 ifr.ifr_flags &= ~IFF_UP;
361
362 if (ioctl(drv->ioctl_sock, SIOCSIFFLAGS, &ifr) != 0) {
363 perror("ioctl[SIOCSIFFLAGS]");
364 return -1;
365 }
366
c5121837
JM		 367 return 0;
368}
369
370static int
e3bd3912 371bsd_set_ieee8021x(void *priv, struct wpa_bss_params *params)
c5121837
JM		 372{
373 struct bsd_driver_data *drv = priv;
c5121837 374
af586419 375 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, params->enabled);
c5121837 376
af586419 377 if (!params->enabled) {
c5121837
JM		 378 /* XXX restore state */
379 return set80211param(priv, IEEE80211_IOC_AUTHMODE,
380 IEEE80211_AUTH_AUTO);
381 }
af586419
JM		 382 if (!params->wpa && !params->ieee802_1x) {
383 hostapd_logger(drv->hapd, NULL, HOSTAPD_MODULE_DRIVER,
c5121837
JM		 384 HOSTAPD_LEVEL_WARNING, "No 802.1X or WPA enabled!");
385 return -1;
386 }
c9b9e494 387 if (params->wpa && bsd_configure_wpa(drv, params) != 0) {
af586419 388 hostapd_logger(drv->hapd, NULL, HOSTAPD_MODULE_DRIVER,
c5121837
JM		 389 HOSTAPD_LEVEL_WARNING, "Error configuring WPA state!");
390 return -1;
391 }
392 if (set80211param(priv, IEEE80211_IOC_AUTHMODE,
af586419
JM		 393 (params->wpa ? IEEE80211_AUTH_WPA : IEEE80211_AUTH_8021X))) {
394 hostapd_logger(drv->hapd, NULL, HOSTAPD_MODULE_DRIVER,
c5121837
JM		 395 HOSTAPD_LEVEL_WARNING, "Error enabling WPA/802.1X!");
396 return -1;
397 }
398 return bsd_set_iface_flags(priv, 1);
399}
400
401static int
402bsd_set_privacy(const char *ifname, void *priv, int enabled)
403{
404 struct bsd_driver_data *drv = priv;
405
406 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled);
407
408 return set80211param(drv, IEEE80211_IOC_PRIVACY, enabled);
409}
410
411static int
412bsd_set_sta_authorized(void *priv, const u8 *addr, int authorized)
413{
414 struct bsd_driver_data *drv = priv;
415 struct ieee80211req_mlme mlme;
416
417 wpa_printf(MSG_DEBUG, "%s: addr=%s authorized=%d",
418 __func__, ether_sprintf(addr), authorized);
419
420 if (authorized)
421 mlme.im_op = IEEE80211_MLME_AUTHORIZE;
422 else
423 mlme.im_op = IEEE80211_MLME_UNAUTHORIZE;
424 mlme.im_reason = 0;
425 memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
426 return set80211var(drv, IEEE80211_IOC_MLME, &mlme, sizeof(mlme));
427}
428
429static int
430bsd_sta_set_flags(void *priv, const u8 *addr, int total_flags, int flags_or,
431 int flags_and)
432{
433 /* For now, only support setting Authorized flag */
0de39516 434 if (flags_or & WPA_STA_AUTHORIZED)
c5121837 435 return bsd_set_sta_authorized(priv, addr, 1);
0de39516 436 if (!(flags_and & WPA_STA_AUTHORIZED))
c5121837
JM		 437 return bsd_set_sta_authorized(priv, addr, 0);
438 return 0;
439}
440
441static int
442bsd_del_key(void *priv, const u8 *addr, int key_idx)
443{
444 struct bsd_driver_data *drv = priv;
445 struct ieee80211req_del_key wk;
446
447 wpa_printf(MSG_DEBUG, "%s: addr=%s key_idx=%d",
448 __func__, ether_sprintf(addr), key_idx);
449
450 memset(&wk, 0, sizeof(wk));
451 if (addr != NULL) {
452 memcpy(wk.idk_macaddr, addr, IEEE80211_ADDR_LEN);
453 wk.idk_keyix = (u_int8_t) IEEE80211_KEYIX_NONE; /* XXX */
454 } else {
455 wk.idk_keyix = key_idx;
456 }
457
458 return set80211var(drv, IEEE80211_IOC_DELKEY, &wk, sizeof(wk));
459}
460
461static int
71934751 462bsd_set_key(const char *ifname, void *priv, enum wpa_alg alg,
c5121837
JM		 463 const u8 *addr, int key_idx, int set_tx, const u8 *seq,
464 size_t seq_len, const u8 *key, size_t key_len)
465{
466 struct bsd_driver_data *drv = priv;
467 struct ieee80211req_key wk;
468 u_int8_t cipher;
469
470 if (alg == WPA_ALG_NONE)
471 return bsd_del_key(drv, addr, key_idx);
472
473 wpa_printf(MSG_DEBUG, "%s: alg=%d addr=%s key_idx=%d",
474 __func__, alg, ether_sprintf(addr), key_idx);
475
476 if (alg == WPA_ALG_WEP)
477 cipher = IEEE80211_CIPHER_WEP;
478 else if (alg == WPA_ALG_TKIP)
479 cipher = IEEE80211_CIPHER_TKIP;
480 else if (alg == WPA_ALG_CCMP)
481 cipher = IEEE80211_CIPHER_AES_CCM;
482 else {
483 printf("%s: unknown/unsupported algorithm %d\n",
484 __func__, alg);
485 return -1;
486 }
487
488 if (key_len > sizeof(wk.ik_keydata)) {
92e63aaf 489 printf("%s: key length %d too big\n", __func__, (int) key_len);
c5121837
JM		 490 return -3;
491 }
492
493 memset(&wk, 0, sizeof(wk));
494 wk.ik_type = cipher;
495 wk.ik_flags = IEEE80211_KEY_RECV | IEEE80211_KEY_XMIT;
496 if (addr == NULL) {
497 memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN);
498 wk.ik_keyix = key_idx;
499 wk.ik_flags |= IEEE80211_KEY_DEFAULT;
500 } else {
501 memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
502 wk.ik_keyix = IEEE80211_KEYIX_NONE;
503 }
504 wk.ik_keylen = key_len;
505 memcpy(wk.ik_keydata, key, key_len);
506
507 return set80211var(drv, IEEE80211_IOC_WPAKEY, &wk, sizeof(wk));
508}
509
510
511static int
512bsd_get_seqnum(const char *ifname, void *priv, const u8 *addr, int idx,
513 u8 *seq)
514{
515 struct bsd_driver_data *drv = priv;
516 struct ieee80211req_key wk;
517
518 wpa_printf(MSG_DEBUG, "%s: addr=%s idx=%d",
519 __func__, ether_sprintf(addr), idx);
520
521 memset(&wk, 0, sizeof(wk));
522 if (addr == NULL)
523 memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN);
524 else
525 memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
526 wk.ik_keyix = idx;
527
528 if (get80211var(drv, IEEE80211_IOC_WPAKEY, &wk, sizeof(wk)) < 0) {
529 printf("Failed to get encryption.\n");
530 return -1;
531 }
532
533#ifdef WORDS_BIGENDIAN
534 {
535 /*
536 * wk.ik_keytsc is in host byte order (big endian), need to
537 * swap it to match with the byte order used in WPA.
538 */
539 int i;
540 u8 tmp[WPA_KEY_RSC_LEN];
541 memcpy(tmp, &wk.ik_keytsc, sizeof(wk.ik_keytsc));
542 for (i = 0; i < WPA_KEY_RSC_LEN; i++) {
543 seq[i] = tmp[WPA_KEY_RSC_LEN - i - 1];
544 }
545 }
546#else /* WORDS_BIGENDIAN */
547 memcpy(seq, &wk.ik_keytsc, sizeof(wk.ik_keytsc));
548#endif /* WORDS_BIGENDIAN */
549 return 0;
550}
551
552
553static int
554bsd_flush(void *priv)
555{
556 u8 allsta[IEEE80211_ADDR_LEN];
557
558 memset(allsta, 0xff, IEEE80211_ADDR_LEN);
731723a5 559 return bsd_sta_deauth(priv, NULL, allsta, IEEE80211_REASON_AUTH_LEAVE);
c5121837
JM		 560}
561
562
563static int
564bsd_read_sta_driver_data(void *priv, struct hostap_sta_driver_data *data,
565 const u8 *addr)
566{
567 struct bsd_driver_data *drv = priv;
568 struct ieee80211req_sta_stats stats;
569
570 memcpy(stats.is_u.macaddr, addr, IEEE80211_ADDR_LEN);
571 if (get80211var(drv, IEEE80211_IOC_STA_STATS, &stats, sizeof(stats)) > 0) {
572 /* XXX? do packets counts include non-data frames? */
573 data->rx_packets = stats.is_stats.ns_rx_data;
574 data->rx_bytes = stats.is_stats.ns_rx_bytes;
575 data->tx_packets = stats.is_stats.ns_tx_data;
576 data->tx_bytes = stats.is_stats.ns_tx_bytes;
577 }
578 return 0;
579}
580
581static int
582bsd_set_opt_ie(const char *ifname, void *priv, const u8 *ie, size_t ie_len)
583{
584 /*
585 * Do nothing; we setup parameters at startup that define the
586 * contents of the beacon information element.
587 */
588 return 0;
589}
590
591static int
731723a5 592bsd_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr, int reason_code)
c5121837
JM		 593{
594 struct bsd_driver_data *drv = priv;
595 struct ieee80211req_mlme mlme;
596
597 wpa_printf(MSG_DEBUG, "%s: addr=%s reason_code=%d",
598 __func__, ether_sprintf(addr), reason_code);
599
600 mlme.im_op = IEEE80211_MLME_DEAUTH;
601 mlme.im_reason = reason_code;
602 memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
603 return set80211var(drv, IEEE80211_IOC_MLME, &mlme, sizeof(mlme));
604}
605
606static int
731723a5
JM		 607bsd_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
608 int reason_code)
c5121837
JM		 609{
610 struct bsd_driver_data *drv = priv;
611 struct ieee80211req_mlme mlme;
612
613 wpa_printf(MSG_DEBUG, "%s: addr=%s reason_code=%d",
614 __func__, ether_sprintf(addr), reason_code);
615
616 mlme.im_op = IEEE80211_MLME_DISASSOC;
617 mlme.im_reason = reason_code;
618 memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
619 return set80211var(drv, IEEE80211_IOC_MLME, &mlme, sizeof(mlme));
620}
621
1d041bec 622static void
c5121837
JM		 623bsd_new_sta(struct bsd_driver_data *drv, u8 addr[IEEE80211_ADDR_LEN])
624{
625 struct hostapd_data *hapd = drv->hapd;
626 struct ieee80211req_wpaie ie;
627 int ielen = 0;
628 u8 *iebuf = NULL;
629
630 /*
631 * Fetch and validate any negotiated WPA/RSN parameters.
632 */
633 memset(&ie, 0, sizeof(ie));
634 memcpy(ie.wpa_macaddr, addr, IEEE80211_ADDR_LEN);
635 if (get80211var(drv, IEEE80211_IOC_WPAIE, &ie, sizeof(ie)) < 0) {
636 printf("Failed to get WPA/RSN information element.\n");
637 goto no_ie;
638 }
639 iebuf = ie.wpa_ie;
640 ielen = ie.wpa_ie[1];
641 if (ielen == 0)
642 iebuf = NULL;
643 else
644 ielen += 2;
645
646no_ie:
1d041bec 647 drv_event_assoc(hapd, addr, iebuf, ielen);
c5121837
JM		 648}
649
c5121837
JM		 650static void
651bsd_wireless_event_receive(int sock, void *ctx, void *sock_ctx)
652{
653 struct bsd_driver_data *drv = ctx;
c5121837
JM		 654 char buf[2048];
655 struct if_announcemsghdr *ifan;
656 struct rt_msghdr *rtm;
657 struct ieee80211_michael_event *mic;
658 struct ieee80211_join_event *join;
659 struct ieee80211_leave_event *leave;
660 int n;
1cd973d5 661 union wpa_event_data data;
c5121837
JM		 662
663 n = read(sock, buf, sizeof(buf));
664 if (n < 0) {
665 if (errno != EINTR && errno != EAGAIN)
666 perror("read(PF_ROUTE)");
667 return;
668 }
669
670 rtm = (struct rt_msghdr *) buf;
671 if (rtm->rtm_version != RTM_VERSION) {
672 wpa_printf(MSG_DEBUG, "Routing message version %d not "
673 "understood\n", rtm->rtm_version);
674 return;
675 }
676 ifan = (struct if_announcemsghdr *) rtm;
677 switch (rtm->rtm_type) {
678 case RTM_IEEE80211:
679 switch (ifan->ifan_what) {
680 case RTM_IEEE80211_ASSOC:
681 case RTM_IEEE80211_REASSOC:
682 case RTM_IEEE80211_DISASSOC:
683 case RTM_IEEE80211_SCAN:
684 break;
685 case RTM_IEEE80211_LEAVE:
686 leave = (struct ieee80211_leave_event *) &ifan[1];
69378b79 687 drv_event_disassoc(drv->hapd, leave->iev_addr);
c5121837
JM		 688 break;
689 case RTM_IEEE80211_JOIN:
690#ifdef RTM_IEEE80211_REJOIN
691 case RTM_IEEE80211_REJOIN:
692#endif
693 join = (struct ieee80211_join_event *) &ifan[1];
694 bsd_new_sta(drv, join->iev_addr);
695 break;
696 case RTM_IEEE80211_REPLAY:
697 /* ignore */
698 break;
699 case RTM_IEEE80211_MICHAEL:
700 mic = (struct ieee80211_michael_event *) &ifan[1];
701 wpa_printf(MSG_DEBUG,
702 "Michael MIC failure wireless event: "
703 "keyix=%u src_addr=" MACSTR, mic->iev_keyix,
704 MAC2STR(mic->iev_src));
1cd973d5
JM		 705 os_memset(&data, 0, sizeof(data));
706 data.michael_mic_failure.unicast = 1;
707 data.michael_mic_failure.src = mic->iev_src;
708 wpa_supplicant_event(drv->hapd,
709 EVENT_MICHAEL_MIC_FAILURE, &data);
c5121837
JM		 710 break;
711 }
712 break;
713 }
714}
715
716static int
717bsd_wireless_event_init(struct bsd_driver_data *drv)
718{
719 int s;
720
721 drv->wext_sock = -1;
722
723 s = socket(PF_ROUTE, SOCK_RAW, 0);
724 if (s < 0) {
725 perror("socket(PF_ROUTE,SOCK_RAW)");
726 return -1;
727 }
728 eloop_register_read_sock(s, bsd_wireless_event_receive, drv, NULL);
729 drv->wext_sock = s;
730
731 return 0;
732}
733
734static void
735bsd_wireless_event_deinit(struct bsd_driver_data *drv)
736{
737 if (drv->wext_sock < 0)
738 return;
739 eloop_unregister_read_sock(drv->wext_sock);
740 close(drv->wext_sock);
741}
742
743
744static int
745bsd_send_eapol(void *priv, const u8 *addr, const u8 *data, size_t data_len,
746 int encrypt, const u8 *own_addr)
747{
748 struct bsd_driver_data *drv = priv;
11386396 749 unsigned char *bp;
c5121837
JM		 750 struct l2_ethhdr *eth;
751 size_t len;
752 int status;
753
754 /*
11386396 755 * Prepend the Ethernet header. If the caller left us
c5121837
JM		 756 * space at the front we could just insert it but since
757 * we don't know we copy to a local buffer. Given the frequency
758 * and size of frames this probably doesn't matter.
759 */
760 len = data_len + sizeof(struct l2_ethhdr);
11386396
MH		 761 bp = os_zalloc(len);
762 if (bp == NULL) {
763 wpa_printf(MSG_ERROR, "malloc() failed for bsd_send_eapol"
764 "(len=%lu)", (unsigned long) len);
765 return -1;
c5121837
JM		 766 }
767 eth = (struct l2_ethhdr *) bp;
11386396
MH		 768 os_memcpy(eth->h_dest, addr, ETH_ALEN);
769 os_memcpy(eth->h_source, own_addr, ETH_ALEN);
c5121837 770 eth->h_proto = htons(ETH_P_EAPOL);
11386396 771 os_memcpy(eth + 1, data, data_len);
c5121837
JM		 772
773 wpa_hexdump(MSG_MSGDUMP, "TX EAPOL", bp, len);
774
775 status = l2_packet_send(drv->sock_xmit, addr, ETH_P_EAPOL, bp, len);
776
11386396 777 os_free(bp);
c5121837
JM		 778 return status;
779}
780
781static void
782handle_read(void *ctx, const u8 *src_addr, const u8 *buf, size_t len)
783{
784 struct bsd_driver_data *drv = ctx;
baac6490
JM		 785 drv_event_eapol_rx(drv->hapd, src_addr, buf + sizeof(struct l2_ethhdr),
786 len - sizeof(struct l2_ethhdr));
c5121837
JM		 787}
788
789static int
66d4085f 790hostapd_bsd_get_ssid(const char *ifname, void *priv, u8 *buf, int len)
c5121837
JM		 791{
792 struct bsd_driver_data *drv = priv;
66d4085f 793 int ssid_len;
c5121837 794
66d4085f 795 ssid_len = bsd_get_ssid(drv->ioctl_sock, drv->iface, buf);
c5121837
JM		 796 wpa_printf(MSG_DEBUG, "%s: ssid=\"%.*s\"", __func__, ssid_len, buf);
797
798 return ssid_len;
799}
800
801static int
66d4085f 802hostapd_bsd_set_ssid(const char *ifname, void *priv, const u8 *buf, int len)
c5121837
JM		 803{
804 struct bsd_driver_data *drv = priv;
805
806 wpa_printf(MSG_DEBUG, "%s: ssid=\"%.*s\"", __func__, len, buf);
807
66d4085f 808 return bsd_set_ssid(drv->ioctl_sock, drv->iface, buf, len);
c5121837
JM		 809}
810
5197244a
MH		 811static int
812bsd_set_freq(void *priv, struct hostapd_freq_params *freq)
813{
814 struct bsd_driver_data *drv = priv;
815 struct ieee80211chanreq creq;
816 uint32_t mode;
817
818 if (freq->channel < 14)
819 mode = IFM_IEEE80211_11G;
820 else if (freq->channel == 14)
821 mode = IFM_IEEE80211_11B;
822 else
823 mode = IFM_IEEE80211_11A;
824 if (bsd_set_mediaopt(drv->ioctl_sock, drv->iface, IFM_MMASK,
825 mode) < 0) {
826 wpa_printf(MSG_ERROR, "%s: failed to set modulation mode",
827 __func__);
828 return -1;
829 }
830
831 os_memset(&creq, 0, sizeof(creq));
832 os_strlcpy(creq.i_name, drv->iface, sizeof(creq.i_name));
833 creq.i_channel = freq->channel;
834 return ioctl(drv->ioctl_sock, SIOCS80211CHANNEL, &creq);
835}
836
c5121837 837static void *
92f475b4 838bsd_init(struct hostapd_data *hapd, struct wpa_init_params *params)
c5121837
JM		 839{
840 struct bsd_driver_data *drv;
841
842 drv = os_zalloc(sizeof(struct bsd_driver_data));
843 if (drv == NULL) {
844 printf("Could not allocate memory for bsd driver data\n");
845 goto bad;
846 }
847
848 drv->hapd = hapd;
849 drv->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
850 if (drv->ioctl_sock < 0) {
851 perror("socket[PF_INET,SOCK_DGRAM]");
852 goto bad;
853 }
412036f5 854 memcpy(drv->iface, params->ifname, sizeof(drv->iface));
c5121837
JM		 855
856 drv->sock_xmit = l2_packet_init(drv->iface, NULL, ETH_P_EAPOL,
857 handle_read, drv, 1);
858 if (drv->sock_xmit == NULL)
859 goto bad;
412036f5 860 if (l2_packet_get_own_addr(drv->sock_xmit, params->own_addr))
c5121837
JM		 861 goto bad;
862
863 bsd_set_iface_flags(drv, 0); /* mark down during setup */
864 if (bsd_wireless_event_init(drv))
865 goto bad;
866
5197244a
MH		 867 if (bsd_set_mediaopt(drv->ioctl_sock, drv->iface, IFM_OMASK,
868 IFM_IEEE80211_HOSTAP) < 0) {
869 wpa_printf(MSG_ERROR, "%s: failed to set operation mode",
870 __func__);
871 goto bad;
872 }
873
c5121837
JM		 874 return drv;
875bad:
876 if (drv->sock_xmit != NULL)
877 l2_packet_deinit(drv->sock_xmit);
878 if (drv->ioctl_sock >= 0)
879 close(drv->ioctl_sock);
880 if (drv != NULL)
82f36163 881 os_free(drv);
c5121837
JM		 882 return NULL;
883}
884
885
886static void
887bsd_deinit(void *priv)
888{
889 struct bsd_driver_data *drv = priv;
890
891 bsd_wireless_event_deinit(drv);
892 (void) bsd_set_iface_flags(drv, 0);
893 if (drv->ioctl_sock >= 0)
894 close(drv->ioctl_sock);
895 if (drv->sock_xmit != NULL)
896 l2_packet_deinit(drv->sock_xmit);
82f36163 897 os_free(drv);
c5121837
JM		 898}
899
900const struct wpa_driver_ops wpa_driver_bsd_ops = {
901 .name = "bsd",
902 .hapd_init = bsd_init,
903 .hapd_deinit = bsd_deinit,
904 .set_ieee8021x = bsd_set_ieee8021x,
905 .set_privacy = bsd_set_privacy,
642187d6 906 .set_key = bsd_set_key,
c5121837
JM		 907 .get_seqnum = bsd_get_seqnum,
908 .flush = bsd_flush,
909 .set_generic_elem = bsd_set_opt_ie,
910 .sta_set_flags = bsd_sta_set_flags,
911 .read_sta_data = bsd_read_sta_driver_data,
912 .hapd_send_eapol = bsd_send_eapol,
913 .sta_disassoc = bsd_sta_disassoc,
914 .sta_deauth = bsd_sta_deauth,
66d4085f
RM		 915 .hapd_set_ssid = hostapd_bsd_set_ssid,
916 .hapd_get_ssid = hostapd_bsd_get_ssid,
5197244a 917 .set_freq = bsd_set_freq,
c5121837
JM		 918};
919
920#else /* HOSTAPD */
921
6fc6879b
JM		 922struct wpa_driver_bsd_data {
923 int sock; /* open socket for 802.11 ioctls */
924 int route; /* routing socket for events */
925 char ifname[IFNAMSIZ+1]; /* interface name */
926 unsigned int ifindex; /* interface index */
927 void *ctx;
928 int prev_roaming; /* roaming state to restore on deinit */
929 int prev_privacy; /* privacy state to restore on deinit */
930 int prev_wpa; /* wpa state to restore on deinit */
931};
932
933static int
934set80211var(struct wpa_driver_bsd_data *drv, int op, const void *arg, int arg_len)
935{
66d4085f 936 return bsd_set80211var(drv->sock, drv->ifname, op, arg, arg_len);
6fc6879b
JM		 937}
938
939static int
940get80211var(struct wpa_driver_bsd_data *drv, int op, void *arg, int arg_len)
941{
66d4085f 942 return bsd_get80211var(drv->sock, drv->ifname, op, arg, arg_len);
6fc6879b
JM		 943}
944
945static int
946set80211param(struct wpa_driver_bsd_data *drv, int op, int arg)
947{
66d4085f 948 return bsd_set80211param(drv->sock, drv->ifname, op, arg);
6fc6879b
JM		 949}
950
951static int
952get80211param(struct wpa_driver_bsd_data *drv, int op)
953{
954 struct ieee80211req ireq;
955
956 os_memset(&ireq, 0, sizeof(ireq));
66d4085f 957 os_strlcpy(ireq.i_name, drv->ifname, sizeof(ireq.i_name));
6fc6879b
JM		 958 ireq.i_type = op;
959
960 if (ioctl(drv->sock, SIOCG80211, &ireq) < 0) {
961 fprintf(stderr, "ioctl[SIOCG80211, op %u]: %s\n",
962 op, strerror(errno));
963 return -1;
964 }
965 return ireq.i_val;
966}
967
968static int
969getifflags(struct wpa_driver_bsd_data *drv, int *flags)
970{
971 struct ifreq ifr;
972
973 os_memset(&ifr, 0, sizeof(ifr));
974 os_strlcpy(ifr.ifr_name, drv->ifname, sizeof(ifr.ifr_name));
975 if (ioctl(drv->sock, SIOCGIFFLAGS, (caddr_t)&ifr) < 0) {
976 perror("SIOCGIFFLAGS");
977 return errno;
978 }
979 *flags = ifr.ifr_flags & 0xffff;
980 return 0;
981}
982
983static int
984setifflags(struct wpa_driver_bsd_data *drv, int flags)
985{
986 struct ifreq ifr;
987
988 os_memset(&ifr, 0, sizeof(ifr));
989 os_strlcpy(ifr.ifr_name, drv->ifname, sizeof(ifr.ifr_name));
990 ifr.ifr_flags = flags & 0xffff;
991 if (ioctl(drv->sock, SIOCSIFFLAGS, (caddr_t)&ifr) < 0) {
992 perror("SIOCSIFFLAGS");
993 return errno;
994 }
995 return 0;
996}
997
998static int
999wpa_driver_bsd_get_bssid(void *priv, u8 *bssid)
1000{
1001 struct wpa_driver_bsd_data *drv = priv;
66d4085f 1002#ifdef SIOCG80211BSSID
a65f4a57 1003 struct ieee80211_bssid bs;
6fc6879b 1004
a65f4a57
MH		 1005 os_strncpy(bs.i_name, drv->ifname, sizeof(bs.i_name));
1006 if (ioctl(drv->sock, SIOCG80211BSSID, &bs) < 0)
1007 return -1;
1008 os_memcpy(bssid, bs.i_bssid, sizeof(bs.i_bssid));
1009 return 0;
1010#else
6fc6879b
JM		 1011 return get80211var(drv, IEEE80211_IOC_BSSID,
1012 bssid, IEEE80211_ADDR_LEN) < 0 ? -1 : 0;
a65f4a57 1013#endif
6fc6879b
JM		 1014}
1015
1016#if 0
1017static int
1018wpa_driver_bsd_set_bssid(void *priv, const char *bssid)
1019{
1020 struct wpa_driver_bsd_data *drv = priv;
1021
1022 return set80211var(drv, IEEE80211_IOC_BSSID,
1023 bssid, IEEE80211_ADDR_LEN);
1024}
1025#endif
1026
1027static int
1028wpa_driver_bsd_get_ssid(void *priv, u8 *ssid)
1029{
1030 struct wpa_driver_bsd_data *drv = priv;
1031
66d4085f 1032 return bsd_get_ssid(drv->sock, drv->ifname, ssid);
6fc6879b
JM		 1033}
1034
1035static int
4df91b3f 1036wpa_driver_bsd_set_ssid(void *priv, const u8 *ssid,
6fc6879b
JM		 1037 size_t ssid_len)
1038{
1039 struct wpa_driver_bsd_data *drv = priv;
1040
66d4085f 1041 return bsd_set_ssid(drv->sock, drv->ifname, ssid, ssid_len);
6fc6879b
JM		 1042}
1043
1044static int
1045wpa_driver_bsd_set_wpa_ie(struct wpa_driver_bsd_data *drv,
4df91b3f 1046 const u8 *wpa_ie, size_t wpa_ie_len)
6fc6879b 1047{
c610dba1
MH		 1048#ifdef IEEE80211_IOC_APPIE
1049 return set80211var(drv, IEEE80211_IOC_APPIE, wpa_ie, wpa_ie_len);
1050#else /* IEEE80211_IOC_APPIE */
6fc6879b 1051 return set80211var(drv, IEEE80211_IOC_OPTIE, wpa_ie, wpa_ie_len);
c610dba1 1052#endif /* IEEE80211_IOC_APPIE */
6fc6879b
JM		 1053}
1054
1055static int
1056wpa_driver_bsd_set_wpa_internal(void *priv, int wpa, int privacy)
1057{
1058 struct wpa_driver_bsd_data *drv = priv;
1059 int ret = 0;
1060
1061 wpa_printf(MSG_DEBUG, "%s: wpa=%d privacy=%d",
1062 __FUNCTION__, wpa, privacy);
1063
1064 if (!wpa && wpa_driver_bsd_set_wpa_ie(drv, NULL, 0) < 0)
1065 ret = -1;
1066 if (set80211param(drv, IEEE80211_IOC_PRIVACY, privacy) < 0)
1067 ret = -1;
1068 if (set80211param(drv, IEEE80211_IOC_WPA, wpa) < 0)
1069 ret = -1;
1070
1071 return ret;
1072}
1073
1074static int
1075wpa_driver_bsd_set_wpa(void *priv, int enabled)
1076{
1077 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __FUNCTION__, enabled);
1078
1079 return wpa_driver_bsd_set_wpa_internal(priv, enabled ? 3 : 0, enabled);
1080}
1081
1082static int
1083wpa_driver_bsd_del_key(struct wpa_driver_bsd_data *drv, int key_idx,
1084 const unsigned char *addr)
1085{
1086 struct ieee80211req_del_key wk;
1087
1088 os_memset(&wk, 0, sizeof(wk));
1089 if (addr != NULL &&
1090 bcmp(addr, "\xff\xff\xff\xff\xff\xff", IEEE80211_ADDR_LEN) != 0) {
1091 struct ether_addr ea;
1092
1093 os_memcpy(&ea, addr, IEEE80211_ADDR_LEN);
1094 wpa_printf(MSG_DEBUG, "%s: addr=%s keyidx=%d",
1095 __func__, ether_ntoa(&ea), key_idx);
1096 os_memcpy(wk.idk_macaddr, addr, IEEE80211_ADDR_LEN);
1097 wk.idk_keyix = (uint8_t) IEEE80211_KEYIX_NONE;
1098 } else {
1099 wpa_printf(MSG_DEBUG, "%s: keyidx=%d", __func__, key_idx);
1100 wk.idk_keyix = key_idx;
1101 }
1102 return set80211var(drv, IEEE80211_IOC_DELKEY, &wk, sizeof(wk));
1103}
1104
1105static int
71934751 1106wpa_driver_bsd_set_key(const char *ifname, void *priv, enum wpa_alg alg,
6fc6879b
JM		 1107 const unsigned char *addr, int key_idx, int set_tx,
1108 const u8 *seq, size_t seq_len,
1109 const u8 *key, size_t key_len)
1110{
1111 struct wpa_driver_bsd_data *drv = priv;
1112 struct ieee80211req_key wk;
1113 struct ether_addr ea;
1114 char *alg_name;
1115 u_int8_t cipher;
1116
1117 if (alg == WPA_ALG_NONE)
1118 return wpa_driver_bsd_del_key(drv, key_idx, addr);
1119
1120 switch (alg) {
1121 case WPA_ALG_WEP:
1122 alg_name = "WEP";
1123 cipher = IEEE80211_CIPHER_WEP;
1124 break;
1125 case WPA_ALG_TKIP:
1126 alg_name = "TKIP";
1127 cipher = IEEE80211_CIPHER_TKIP;
1128 break;
1129 case WPA_ALG_CCMP:
1130 alg_name = "CCMP";
1131 cipher = IEEE80211_CIPHER_AES_CCM;
1132 break;
1133 default:
1134 wpa_printf(MSG_DEBUG, "%s: unknown/unsupported algorithm %d",
1135 __func__, alg);
1136 return -1;
1137 }
1138
1139 os_memcpy(&ea, addr, IEEE80211_ADDR_LEN);
1140 wpa_printf(MSG_DEBUG,
1141 "%s: alg=%s addr=%s key_idx=%d set_tx=%d seq_len=%zu key_len=%zu",
1142 __func__, alg_name, ether_ntoa(&ea), key_idx, set_tx,
1143 seq_len, key_len);
1144
1145 if (seq_len > sizeof(u_int64_t)) {
1146 wpa_printf(MSG_DEBUG, "%s: seq_len %zu too big",
1147 __func__, seq_len);
1148 return -2;
1149 }
1150 if (key_len > sizeof(wk.ik_keydata)) {
1151 wpa_printf(MSG_DEBUG, "%s: key length %zu too big",
1152 __func__, key_len);
1153 return -3;
1154 }
1155
1156 os_memset(&wk, 0, sizeof(wk));
1157 wk.ik_type = cipher;
1158 wk.ik_flags = IEEE80211_KEY_RECV;
1159 if (set_tx)
1160 wk.ik_flags |= IEEE80211_KEY_XMIT;
1161 os_memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
1162 /*
1163 * Deduce whether group/global or unicast key by checking
1164 * the address (yech). Note also that we can only mark global
1165 * keys default; doing this for a unicast key is an error.
1166 */
1167 if (bcmp(addr, "\xff\xff\xff\xff\xff\xff", IEEE80211_ADDR_LEN) == 0) {
1168 wk.ik_flags |= IEEE80211_KEY_GROUP;
1169 wk.ik_keyix = key_idx;
1170 } else {
1171 wk.ik_keyix = (key_idx == 0 ? IEEE80211_KEYIX_NONE : key_idx);
1172 }
1173 if (wk.ik_keyix != IEEE80211_KEYIX_NONE && set_tx)
1174 wk.ik_flags |= IEEE80211_KEY_DEFAULT;
1175 wk.ik_keylen = key_len;
1176 os_memcpy(&wk.ik_keyrsc, seq, seq_len);
1177 os_memcpy(wk.ik_keydata, key, key_len);
1178
1179 return set80211var(drv, IEEE80211_IOC_WPAKEY, &wk, sizeof(wk));
1180}
1181
1182static int
1183wpa_driver_bsd_set_countermeasures(void *priv, int enabled)
1184{
1185 struct wpa_driver_bsd_data *drv = priv;
1186
1187 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled);
1188 return set80211param(drv, IEEE80211_IOC_COUNTERMEASURES, enabled);
1189}
1190
1191
1192static int
1193wpa_driver_bsd_set_drop_unencrypted(void *priv, int enabled)
1194{
1195 struct wpa_driver_bsd_data *drv = priv;
1196
1197 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled);
1198 return set80211param(drv, IEEE80211_IOC_DROPUNENCRYPTED, enabled);
1199}
1200
1201static int
1202wpa_driver_bsd_deauthenticate(void *priv, const u8 *addr, int reason_code)
1203{
1204 struct wpa_driver_bsd_data *drv = priv;
1205 struct ieee80211req_mlme mlme;
1206
1207 wpa_printf(MSG_DEBUG, "%s", __func__);
1208 os_memset(&mlme, 0, sizeof(mlme));
1209 mlme.im_op = IEEE80211_MLME_DEAUTH;
1210 mlme.im_reason = reason_code;
1211 os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
1212 return set80211var(drv, IEEE80211_IOC_MLME, &mlme, sizeof(mlme));
1213}
1214
1215static int
1216wpa_driver_bsd_disassociate(void *priv, const u8 *addr, int reason_code)
1217{
1218 struct wpa_driver_bsd_data *drv = priv;
1219 struct ieee80211req_mlme mlme;
1220
1221 wpa_printf(MSG_DEBUG, "%s", __func__);
1222 os_memset(&mlme, 0, sizeof(mlme));
1223 mlme.im_op = IEEE80211_MLME_DISASSOC;
1224 mlme.im_reason = reason_code;
1225 os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
1226 return set80211var(drv, IEEE80211_IOC_MLME, &mlme, sizeof(mlme));
1227}
1228
2a91091e
MH		 1229static int
1230wpa_driver_bsd_set_auth_alg(void *priv, int auth_alg)
1231{
1232 struct wpa_driver_bsd_data *drv = priv;
1233 int authmode;
1234
abd9fafa
JM		 1235 if ((auth_alg & WPA_AUTH_ALG_OPEN) &&
1236 (auth_alg & WPA_AUTH_ALG_SHARED))
2a91091e 1237 authmode = IEEE80211_AUTH_AUTO;
abd9fafa 1238 else if (auth_alg & WPA_AUTH_ALG_SHARED)
2a91091e
MH		 1239 authmode = IEEE80211_AUTH_SHARED;
1240 else
1241 authmode = IEEE80211_AUTH_OPEN;
1242
1243 return set80211param(drv, IEEE80211_IOC_AUTHMODE, authmode);
1244}
1245
6fc6879b
JM		 1246static int
1247wpa_driver_bsd_associate(void *priv, struct wpa_driver_associate_params *params)
1248{
1249 struct wpa_driver_bsd_data *drv = priv;
1250 struct ieee80211req_mlme mlme;
1251 int privacy;
4a867032 1252 int ret = 0;
6fc6879b
JM		 1253
1254 wpa_printf(MSG_DEBUG,
1255 "%s: ssid '%.*s' wpa ie len %u pairwise %u group %u key mgmt %u"
1256 , __func__
92e63aaf
JM		 1257 , (unsigned int) params->ssid_len, params->ssid
1258 , (unsigned int) params->wpa_ie_len
6fc6879b
JM		 1259 , params->pairwise_suite
1260 , params->group_suite
1261 , params->key_mgmt_suite
1262 );
1263
4a867032
JM		 1264 if (wpa_driver_bsd_set_drop_unencrypted(drv, params->drop_unencrypted)
1265 < 0)
1266 ret = -1;
1267 if (wpa_driver_bsd_set_auth_alg(drv, params->auth_alg) < 0)
1268 ret = -1;
6fc6879b
JM		 1269 /* XXX error handling is wrong but unclear what to do... */
1270 if (wpa_driver_bsd_set_wpa_ie(drv, params->wpa_ie, params->wpa_ie_len) < 0)
1271 return -1;
6fc6879b
JM		 1272
1273 privacy = !(params->pairwise_suite == CIPHER_NONE &&
1274 params->group_suite == CIPHER_NONE &&
1275 params->key_mgmt_suite == KEY_MGMT_NONE &&
1276 params->wpa_ie_len == 0);
1277 wpa_printf(MSG_DEBUG, "%s: set PRIVACY %u", __func__, privacy);
1278
1279 if (set80211param(drv, IEEE80211_IOC_PRIVACY, privacy) < 0)
1280 return -1;
1281
1282 if (params->wpa_ie_len &&
1283 set80211param(drv, IEEE80211_IOC_WPA,
1284 params->wpa_ie[0] == WLAN_EID_RSN ? 2 : 1) < 0)
1285 return -1;
1286
1287 os_memset(&mlme, 0, sizeof(mlme));
1288 mlme.im_op = IEEE80211_MLME_ASSOC;
6fc6879b
JM		 1289 if (params->ssid != NULL)
1290 os_memcpy(mlme.im_ssid, params->ssid, params->ssid_len);
1291 mlme.im_ssid_len = params->ssid_len;
6fc6879b
JM		 1292 if (params->bssid != NULL)
1293 os_memcpy(mlme.im_macaddr, params->bssid, IEEE80211_ADDR_LEN);
1294 if (set80211var(drv, IEEE80211_IOC_MLME, &mlme, sizeof(mlme)) < 0)
1295 return -1;
4a867032 1296 return ret;
6fc6879b
JM		 1297}
1298
6fc6879b 1299static int
c2e8d0a0 1300wpa_driver_bsd_scan(void *priv, struct wpa_driver_scan_params *params)
6fc6879b
JM		 1301{
1302 struct wpa_driver_bsd_data *drv = priv;
1303 int flags;
c2e8d0a0
JM		 1304 const u8 *ssid = params->ssids[0].ssid;
1305 size_t ssid_len = params->ssids[0].ssid_len;
6fc6879b
JM		 1306
1307 /* NB: interface must be marked UP to do a scan */
1308 if (getifflags(drv, &flags) != 0 || setifflags(drv, flags | IFF_UP) != 0)
1309 return -1;
1310
1311 /* set desired ssid before scan */
1312 if (wpa_driver_bsd_set_ssid(drv, ssid, ssid_len) < 0)
1313 return -1;
1314
1315 /* NB: net80211 delivers a scan complete event so no need to poll */
1316 return set80211param(drv, IEEE80211_IOC_SCAN_REQ, 0);
1317}
1318
6fc6879b
JM		 1319static void
1320wpa_driver_bsd_event_receive(int sock, void *ctx, void *sock_ctx)
1321{
1322 struct wpa_driver_bsd_data *drv = sock_ctx;
1323 char buf[2048];
1324 struct if_announcemsghdr *ifan;
1325 struct if_msghdr *ifm;
1326 struct rt_msghdr *rtm;
1327 union wpa_event_data event;
1328 struct ieee80211_michael_event *mic;
1329 int n;
1330
1331 n = read(sock, buf, sizeof(buf));
1332 if (n < 0) {
1333 if (errno != EINTR && errno != EAGAIN)
1334 perror("read(PF_ROUTE)");
1335 return;
1336 }
1337
1338 rtm = (struct rt_msghdr *) buf;
1339 if (rtm->rtm_version != RTM_VERSION) {
1340 wpa_printf(MSG_DEBUG, "Routing message version %d not "
1341 "understood\n", rtm->rtm_version);
1342 return;
1343 }
1344 os_memset(&event, 0, sizeof(event));
1345 switch (rtm->rtm_type) {
1346 case RTM_IFANNOUNCE:
1347 ifan = (struct if_announcemsghdr *) rtm;
1348 if (ifan->ifan_index != drv->ifindex)
1349 break;
1350 strlcpy(event.interface_status.ifname, drv->ifname,
1351 sizeof(event.interface_status.ifname));
1352 switch (ifan->ifan_what) {
1353 case IFAN_DEPARTURE:
1354 event.interface_status.ievent = EVENT_INTERFACE_REMOVED;
1355 default:
1356 return;
1357 }
1358 wpa_printf(MSG_DEBUG, "RTM_IFANNOUNCE: Interface '%s' %s",
1359 event.interface_status.ifname,
1360 ifan->ifan_what == IFAN_DEPARTURE ?
1361 "removed" : "added");
1362 wpa_supplicant_event(ctx, EVENT_INTERFACE_STATUS, &event);
1363 break;
1364 case RTM_IEEE80211:
1365 ifan = (struct if_announcemsghdr *) rtm;
1366 if (ifan->ifan_index != drv->ifindex)
1367 break;
1368 switch (ifan->ifan_what) {
1369 case RTM_IEEE80211_ASSOC:
1370 case RTM_IEEE80211_REASSOC:
1371 wpa_supplicant_event(ctx, EVENT_ASSOC, NULL);
1372 break;
1373 case RTM_IEEE80211_DISASSOC:
1374 wpa_supplicant_event(ctx, EVENT_DISASSOC, NULL);
1375 break;
1376 case RTM_IEEE80211_SCAN:
1377 wpa_supplicant_event(ctx, EVENT_SCAN_RESULTS, NULL);
1378 break;
1379 case RTM_IEEE80211_REPLAY:
1380 /* ignore */
1381 break;
1382 case RTM_IEEE80211_MICHAEL:
1383 mic = (struct ieee80211_michael_event *) &ifan[1];
1384 wpa_printf(MSG_DEBUG,
1385 "Michael MIC failure wireless event: "
1386 "keyix=%u src_addr=" MACSTR, mic->iev_keyix,
1387 MAC2STR(mic->iev_src));
1388
1389 os_memset(&event, 0, sizeof(event));
1390 event.michael_mic_failure.unicast =
1391 !IEEE80211_IS_MULTICAST(mic->iev_dst);
1392 wpa_supplicant_event(ctx, EVENT_MICHAEL_MIC_FAILURE,
1393 &event);
1394 break;
1395 }
1396 break;
1397 case RTM_IFINFO:
1398 ifm = (struct if_msghdr *) rtm;
1399 if (ifm->ifm_index != drv->ifindex)
1400 break;
1401 if ((rtm->rtm_flags & RTF_UP) == 0) {
1402 strlcpy(event.interface_status.ifname, drv->ifname,
1403 sizeof(event.interface_status.ifname));
1404 event.interface_status.ievent = EVENT_INTERFACE_REMOVED;
1405 wpa_printf(MSG_DEBUG, "RTM_IFINFO: Interface '%s' DOWN",
1406 event.interface_status.ifname);
1407 wpa_supplicant_event(ctx, EVENT_INTERFACE_STATUS, &event);
1408 }
1409 break;
1410 }
1411}
1412
a65f4a57
MH		 1413static void
1414wpa_driver_bsd_add_scan_entry(struct wpa_scan_results *res,
1415 struct ieee80211req_scan_result *sr)
6fc6879b 1416{
a65f4a57
MH		 1417 struct wpa_scan_res *result, **tmp;
1418 size_t extra_len;
1419 u8 *pos;
6fc6879b 1420
a65f4a57
MH		 1421 extra_len = 2 + sr->isr_ssid_len;
1422 extra_len += 2 + sr->isr_nrates;
1423 extra_len += 3; /* ERP IE */
1424 extra_len += sr->isr_ie_len;
6fc6879b 1425
a65f4a57
MH		 1426 result = os_zalloc(sizeof(*result) + extra_len);
1427 if (result == NULL)
1428 return;
1429 os_memcpy(result->bssid, sr->isr_bssid, ETH_ALEN);
1430 result->freq = sr->isr_freq;
1431 result->beacon_int = sr->isr_intval;
1432 result->caps = sr->isr_capinfo;
1433 result->qual = sr->isr_rssi;
1434 result->noise = sr->isr_noise;
6fc6879b 1435
a65f4a57 1436 pos = (u8 *)(result + 1);
6fc6879b 1437
a65f4a57
MH		 1438 *pos++ = WLAN_EID_SSID;
1439 *pos++ = sr->isr_ssid_len;
1440 os_memcpy(pos, sr + 1, sr->isr_ssid_len);
1441 pos += sr->isr_ssid_len;
6fc6879b 1442
a65f4a57
MH		 1443 /*
1444 * Deal all rates as supported rate.
1445 * Because net80211 doesn't report extended supported rate or not.
1446 */
1447 *pos++ = WLAN_EID_SUPP_RATES;
1448 *pos++ = sr->isr_nrates;
1449 os_memcpy(pos, sr->isr_rates, sr->isr_nrates);
1450 pos += sr->isr_nrates;
6fc6879b 1451
a65f4a57
MH		 1452 *pos++ = WLAN_EID_ERP_INFO;
1453 *pos++ = 1;
1454 *pos++ = sr->isr_erp;
6fc6879b 1455
a65f4a57
MH		 1456 os_memcpy(pos, (u8 *)(sr + 1) + sr->isr_ssid_len, sr->isr_ie_len);
1457 pos += sr->isr_ie_len;
6fc6879b 1458
a65f4a57
MH		 1459 result->ie_len = pos - (u8 *)(result + 1);
1460
1461 tmp = os_realloc(res->res,
1462 (res->num + 1) * sizeof(struct wpa_scan_res *));
1463 if (tmp == NULL) {
1464 os_free(result);
1465 return;
1466 }
1467 tmp[res->num++] = result;
1468 res->res = tmp;
6fc6879b
JM		 1469}
1470
a65f4a57
MH		 1471struct wpa_scan_results *
1472wpa_driver_bsd_get_scan_results2(void *priv)
6fc6879b 1473{
6fc6879b 1474 struct wpa_driver_bsd_data *drv = priv;
6fc6879b 1475 struct ieee80211req_scan_result *sr;
a65f4a57
MH		 1476 struct wpa_scan_results *res;
1477 int len, rest;
1478 uint8_t buf[24*1024], *pos;
6fc6879b 1479
a65f4a57 1480 len = get80211var(drv, IEEE80211_IOC_SCAN_RESULTS, buf, 24*1024);
6fc6879b 1481 if (len < 0)
a65f4a57
MH		 1482 return NULL;
1483
1484 res = os_zalloc(sizeof(*res));
1485 if (res == NULL)
1486 return NULL;
6fc6879b 1487
a65f4a57
MH		 1488 pos = buf;
1489 rest = len;
1490 while (rest >= sizeof(struct ieee80211req_scan_result)) {
1491 sr = (struct ieee80211req_scan_result *)pos;
1492 wpa_driver_bsd_add_scan_entry(res, sr);
1493 pos += sr->isr_len;
1494 rest -= sr->isr_len;
6fc6879b 1495 }
6fc6879b 1496
a65f4a57
MH		 1497 wpa_printf(MSG_DEBUG, "Received %d bytes of scan results (%lu BSSes)",
1498 len, (unsigned long)res->num);
6fc6879b 1499
a65f4a57 1500 return res;
6fc6879b
JM		 1501}
1502
1503static void *
1504wpa_driver_bsd_init(void *ctx, const char *ifname)
1505{
1506#define GETPARAM(drv, param, v) \
1507 (((v) = get80211param(drv, param)) != -1)
1508 struct wpa_driver_bsd_data *drv;
1509
1510 drv = os_zalloc(sizeof(*drv));
1511 if (drv == NULL)
1512 return NULL;
1513 /*
1514 * NB: We require the interface name be mappable to an index.
1515 * This implies we do not support having wpa_supplicant
1516 * wait for an interface to appear. This seems ok; that
1517 * doesn't belong here; it's really the job of devd.
1518 */
1519 drv->ifindex = if_nametoindex(ifname);
1520 if (drv->ifindex == 0) {
1521 wpa_printf(MSG_DEBUG, "%s: interface %s does not exist",
1522 __func__, ifname);
1523 goto fail1;
1524 }
1525 drv->sock = socket(PF_INET, SOCK_DGRAM, 0);
1526 if (drv->sock < 0)
1527 goto fail1;
1528 drv->route = socket(PF_ROUTE, SOCK_RAW, 0);
1529 if (drv->route < 0)
1530 goto fail;
1531 eloop_register_read_sock(drv->route,
1532 wpa_driver_bsd_event_receive, ctx, drv);
1533
1534 drv->ctx = ctx;
1535 os_strlcpy(drv->ifname, ifname, sizeof(drv->ifname));
1536
1537 if (!GETPARAM(drv, IEEE80211_IOC_ROAMING, drv->prev_roaming)) {
1538 wpa_printf(MSG_DEBUG, "%s: failed to get roaming state: %s",
1539 __func__, strerror(errno));
1540 goto fail;
1541 }
1542 if (!GETPARAM(drv, IEEE80211_IOC_PRIVACY, drv->prev_privacy)) {
1543 wpa_printf(MSG_DEBUG, "%s: failed to get privacy state: %s",
1544 __func__, strerror(errno));
1545 goto fail;
1546 }
1547 if (!GETPARAM(drv, IEEE80211_IOC_WPA, drv->prev_wpa)) {
1548 wpa_printf(MSG_DEBUG, "%s: failed to get wpa state: %s",
1549 __func__, strerror(errno));
1550 goto fail;
1551 }
5197244a
MH		 1552
1553 if (bsd_set_mediaopt(drv->sock, drv->ifname, IFM_OMASK,
1554 0 /* STA */) < 0) {
1555 wpa_printf(MSG_ERROR, "%s: failed to set operation mode",
1556 __func__);
1557 goto fail;
1558 }
6fc6879b
JM		 1559 if (set80211param(drv, IEEE80211_IOC_ROAMING, IEEE80211_ROAMING_MANUAL) < 0) {
1560 wpa_printf(MSG_DEBUG, "%s: failed to set wpa_supplicant-based "
1561 "roaming: %s", __func__, strerror(errno));
1562 goto fail;
1563 }
1564
1565 if (set80211param(drv, IEEE80211_IOC_WPA, 1+2) < 0) {
1566 wpa_printf(MSG_DEBUG, "%s: failed to enable WPA support %s",
1567 __func__, strerror(errno));
1568 goto fail;
1569 }
1570
4a867032
JM		 1571 wpa_driver_bsd_set_wpa(drv, 1);
1572
6fc6879b
JM		 1573 return drv;
1574fail:
1575 close(drv->sock);
1576fail1:
1577 os_free(drv);
1578 return NULL;
1579#undef GETPARAM
1580}
1581
1582static void
1583wpa_driver_bsd_deinit(void *priv)
1584{
1585 struct wpa_driver_bsd_data *drv = priv;
1586 int flags;
1587
4a867032 1588 wpa_driver_bsd_set_wpa(drv, 0);
6fc6879b
JM		 1589 eloop_unregister_read_sock(drv->route);
1590
1591 /* NB: mark interface down */
1592 if (getifflags(drv, &flags) == 0)
1593 (void) setifflags(drv, flags &~ IFF_UP);
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
1600 (void) close(drv->route); /* ioctl socket */
1601 (void) close(drv->sock); /* event socket */
1602 os_free(drv);
1603}
1604
1605
1606const struct wpa_driver_ops wpa_driver_bsd_ops = {
1607 .name = "bsd",
66d4085f 1608 .desc = "BSD 802.11 support",
6fc6879b
JM		 1609 .init = wpa_driver_bsd_init,
1610 .deinit = wpa_driver_bsd_deinit,
1611 .get_bssid = wpa_driver_bsd_get_bssid,
1612 .get_ssid = wpa_driver_bsd_get_ssid,
6fc6879b
JM		 1613 .set_key = wpa_driver_bsd_set_key,
1614 .set_countermeasures = wpa_driver_bsd_set_countermeasures,
c2e8d0a0 1615 .scan2 = wpa_driver_bsd_scan,
a65f4a57 1616 .get_scan_results2 = wpa_driver_bsd_get_scan_results2,
6fc6879b
JM		 1617 .deauthenticate = wpa_driver_bsd_deauthenticate,
1618 .disassociate = wpa_driver_bsd_disassociate,
1619 .associate = wpa_driver_bsd_associate,
6fc6879b 1620};
c5121837
JM		 1621
1622#endif /* HOSTAPD */
Unnamed repository; edit this file 'description' to name the repository.