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driver_ps3: Remove legacy ps3 wpa driver
[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>
898d6921
JR		 25
26#ifdef __NetBSD__
27#include <net/if_ether.h>
898d6921 28#else
6fc6879b 29#include <net/ethernet.h>
898d6921 30#endif
131289d8 31#include <net/route.h>
6fc6879b 32
9b336bce
MH		 33#ifdef __DragonFly__
34#include <netproto/802_11/ieee80211_ioctl.h>
35#include <netproto/802_11/ieee80211_dragonfly.h>
36#else /* __DragonFly__ */
6fc6879b 37#include <net80211/ieee80211.h>
6fc6879b 38#include <net80211/ieee80211_ioctl.h>
c610dba1 39#include <net80211/ieee80211_crypto.h>
9b336bce 40#endif /* __DragonFly__ */
131289d8
MH		 41#if __FreeBSD__
42#include <net80211/ieee80211_freebsd.h>
43#endif
44#if __NetBSD__
45#include <net80211/ieee80211_netbsd.h>
46#endif
47
66d4085f
RM		 48/* Generic functions for hostapd and wpa_supplicant */
49
50static int
51bsd_set80211var(int s, const char *ifname, int op, const void *arg, int arg_len)
52{
53 struct ieee80211req ireq;
54
55 os_memset(&ireq, 0, sizeof(ireq));
56 os_strlcpy(ireq.i_name, ifname, sizeof(ireq.i_name));
57 ireq.i_type = op;
58 ireq.i_len = arg_len;
59 ireq.i_data = (void *) arg;
60
61 if (ioctl(s, SIOCS80211, &ireq) < 0) {
62 fprintf(stderr, "ioctl[SIOCS80211, op %u, len %u]: %s\n",
63 op, arg_len, strerror(errno));
64 return -1;
65 }
66 return 0;
67}
68
69static int
70bsd_get80211var(int s, const char *ifname, int op, void *arg, int arg_len)
71{
72 struct ieee80211req ireq;
73
74 os_memset(&ireq, 0, sizeof(ireq));
75 os_strlcpy(ireq.i_name, ifname, sizeof(ireq.i_name));
76 ireq.i_type = op;
77 ireq.i_len = arg_len;
78 ireq.i_data = arg;
79
80 if (ioctl(s, SIOCG80211, &ireq) < 0) {
81 fprintf(stderr, "ioctl[SIOCG80211, op %u, len %u]: %s\n",
82 op, arg_len, strerror(errno));
83 return -1;
84 }
85 return ireq.i_len;
86}
87
88static int
89bsd_set80211param(int s, const char *ifname, int op, int arg)
90{
91 struct ieee80211req ireq;
92
93 os_memset(&ireq, 0, sizeof(ireq));
94 os_strlcpy(ireq.i_name, ifname, sizeof(ireq.i_name));
95 ireq.i_type = op;
96 ireq.i_val = arg;
97
98 if (ioctl(s, SIOCS80211, &ireq) < 0) {
99 fprintf(stderr, "ioctl[SIOCS80211, op %u, arg 0x%x]: %s\n",
100 op, arg, strerror(errno));
101 return -1;
102 }
103 return 0;
104}
105
106static int
107bsd_get_ssid(int s, const char *ifname, u8 *ssid)
108{
109#ifdef SIOCG80211NWID
110 struct ieee80211_nwid nwid;
111 struct ifreq ifr;
112
113 os_memset(&ifr, 0, sizeof(ifr));
114 os_strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
115 ifr.ifr_data = (void *)&nwid;
116 if (ioctl(s, SIOCG80211NWID, &ifr) < 0 ||
117 nwid.i_len > IEEE80211_NWID_LEN)
118 return -1;
119 os_memcpy(ssid, nwid.i_nwid, nwid.i_len);
120 return nwid.i_len;
121#else
122 return bsd_get80211var(s, ifname, IEEE80211_IOC_SSID,
123 ssid, IEEE80211_NWID_LEN);
124#endif
125}
126
127static int
128bsd_set_ssid(int s, const char *ifname, const u8 *ssid, size_t ssid_len)
129{
130#ifdef SIOCS80211NWID
131 struct ieee80211_nwid nwid;
132 struct ifreq ifr;
133
134 os_memcpy(nwid.i_nwid, ssid, ssid_len);
135 nwid.i_len = ssid_len;
136 os_memset(&ifr, 0, sizeof(ifr));
137 os_strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
138 ifr.ifr_data = (void *)&nwid;
139 return ioctl(s, SIOCS80211NWID, &ifr);
140#else
141 return bsd_set80211var(s, ifname, IEEE80211_IOC_SSID, ssid, ssid_len);
142#endif
143}
144
145
131289d8 146#ifdef HOSTAPD
6fc6879b 147
c5121837
JM		 148/*
149 * Avoid conflicts with hostapd definitions by undefining couple of defines
150 * from net80211 header files.
151 */
152#undef RSN_VERSION
153#undef WPA_VERSION
154#undef WPA_OUI_TYPE
155
c5121837 156#include "l2_packet/l2_packet.h"
c5121837
JM		 157
158struct bsd_driver_data {
159 struct hostapd_data *hapd; /* back pointer */
160
161 char iface[IFNAMSIZ + 1];
162 struct l2_packet_data *sock_xmit; /* raw packet xmit socket */
163 int ioctl_sock; /* socket for ioctl() use */
164 int wext_sock; /* socket for wireless events */
165};
166
731723a5
JM		 167static int bsd_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
168 int reason_code);
c5121837
JM		 169
170static int
171set80211var(struct bsd_driver_data *drv, int op, const void *arg, int arg_len)
172{
66d4085f 173 return bsd_set80211var(drv->ioctl_sock, drv->iface, op, arg, arg_len);
c5121837
JM		 174}
175
176static int
177get80211var(struct bsd_driver_data *drv, int op, void *arg, int arg_len)
178{
66d4085f 179 return bsd_get80211var(drv->ioctl_sock, drv->iface, op, arg, arg_len);
c5121837
JM		 180}
181
182static int
183set80211param(struct bsd_driver_data *drv, int op, int arg)
184{
66d4085f 185 return bsd_set80211param(drv->ioctl_sock, drv->iface, op, arg);
c5121837
JM		 186}
187
188static const char *
189ether_sprintf(const u8 *addr)
190{
191 static char buf[sizeof(MACSTR)];
192
193 if (addr != NULL)
194 snprintf(buf, sizeof(buf), MACSTR, MAC2STR(addr));
195 else
196 snprintf(buf, sizeof(buf), MACSTR, 0,0,0,0,0,0);
197 return buf;
198}
199
200/*
201 * Configure WPA parameters.
202 */
203static int
af586419 204bsd_configure_wpa(struct bsd_driver_data *drv, struct wpa_bss_params *params)
c5121837
JM		 205{
206 static const char *ciphernames[] =
207 { "WEP", "TKIP", "AES-OCB", "AES-CCM", "CKIP", "NONE" };
c5121837
JM		 208 int v;
209
af586419 210 switch (params->wpa_group) {
c5121837
JM		 211 case WPA_CIPHER_CCMP:
212 v = IEEE80211_CIPHER_AES_CCM;
213 break;
214 case WPA_CIPHER_TKIP:
215 v = IEEE80211_CIPHER_TKIP;
216 break;
217 case WPA_CIPHER_WEP104:
218 v = IEEE80211_CIPHER_WEP;
219 break;
220 case WPA_CIPHER_WEP40:
221 v = IEEE80211_CIPHER_WEP;
222 break;
223 case WPA_CIPHER_NONE:
224 v = IEEE80211_CIPHER_NONE;
225 break;
226 default:
227 printf("Unknown group key cipher %u\n",
af586419 228 params->wpa_group);
c5121837
JM		 229 return -1;
230 }
231 wpa_printf(MSG_DEBUG, "%s: group key cipher=%s (%u)",
232 __func__, ciphernames[v], v);
233 if (set80211param(drv, IEEE80211_IOC_MCASTCIPHER, v)) {
234 printf("Unable to set group key cipher to %u (%s)\n",
235 v, ciphernames[v]);
236 return -1;
237 }
238 if (v == IEEE80211_CIPHER_WEP) {
239 /* key length is done only for specific ciphers */
af586419 240 v = (params->wpa_group == WPA_CIPHER_WEP104 ? 13 : 5);
c5121837
JM		 241 if (set80211param(drv, IEEE80211_IOC_MCASTKEYLEN, v)) {
242 printf("Unable to set group key length to %u\n", v);
243 return -1;
244 }
245 }
246
247 v = 0;
af586419 248 if (params->wpa_pairwise & WPA_CIPHER_CCMP)
c5121837 249 v |= 1<<IEEE80211_CIPHER_AES_CCM;
af586419 250 if (params->wpa_pairwise & WPA_CIPHER_TKIP)
c5121837 251 v |= 1<<IEEE80211_CIPHER_TKIP;
af586419 252 if (params->wpa_pairwise & WPA_CIPHER_NONE)
c5121837
JM		 253 v |= 1<<IEEE80211_CIPHER_NONE;
254 wpa_printf(MSG_DEBUG, "%s: pairwise key ciphers=0x%x", __func__, v);
255 if (set80211param(drv, IEEE80211_IOC_UCASTCIPHERS, v)) {
256 printf("Unable to set pairwise key ciphers to 0x%x\n", v);
257 return -1;
258 }
259
260 wpa_printf(MSG_DEBUG, "%s: key management algorithms=0x%x",
af586419
JM		 261 __func__, params->wpa_key_mgmt);
262 if (set80211param(drv, IEEE80211_IOC_KEYMGTALGS, params->wpa_key_mgmt))
263 {
c5121837 264 printf("Unable to set key management algorithms to 0x%x\n",
af586419 265 params->wpa_key_mgmt);
c5121837
JM		 266 return -1;
267 }
268
269 v = 0;
af586419 270 if (params->rsn_preauth)
c5121837
JM		 271 v |= BIT(0);
272 wpa_printf(MSG_DEBUG, "%s: rsn capabilities=0x%x",
af586419 273 __func__, params->rsn_preauth);
c5121837
JM		 274 if (set80211param(drv, IEEE80211_IOC_RSNCAPS, v)) {
275 printf("Unable to set RSN capabilities to 0x%x\n", v);
276 return -1;
277 }
278
af586419
JM		 279 wpa_printf(MSG_DEBUG, "%s: enable WPA= 0x%x", __func__, params->wpa);
280 if (set80211param(drv, IEEE80211_IOC_WPA, params->wpa)) {
281 printf("Unable to set WPA to %u\n", params->wpa);
c5121837
JM		 282 return -1;
283 }
284 return 0;
285}
286
287
288static int
289bsd_set_iface_flags(void *priv, int dev_up)
290{
291 struct bsd_driver_data *drv = priv;
292 struct ifreq ifr;
293
294 wpa_printf(MSG_DEBUG, "%s: dev_up=%d", __func__, dev_up);
295
296 if (drv->ioctl_sock < 0)
297 return -1;
298
299 memset(&ifr, 0, sizeof(ifr));
66d4085f 300 os_strlcpy(ifr.ifr_name, drv->iface, sizeof(ifr.ifr_name));
c5121837
JM		 301
302 if (ioctl(drv->ioctl_sock, SIOCGIFFLAGS, &ifr) != 0) {
303 perror("ioctl[SIOCGIFFLAGS]");
304 return -1;
305 }
306
307 if (dev_up)
308 ifr.ifr_flags |= IFF_UP;
309 else
310 ifr.ifr_flags &= ~IFF_UP;
311
312 if (ioctl(drv->ioctl_sock, SIOCSIFFLAGS, &ifr) != 0) {
313 perror("ioctl[SIOCSIFFLAGS]");
314 return -1;
315 }
316
c5121837
JM		 317 return 0;
318}
319
320static int
e3bd3912 321bsd_set_ieee8021x(void *priv, struct wpa_bss_params *params)
c5121837
JM		 322{
323 struct bsd_driver_data *drv = priv;
c5121837 324
af586419 325 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, params->enabled);
c5121837 326
af586419 327 if (!params->enabled) {
c5121837
JM		 328 /* XXX restore state */
329 return set80211param(priv, IEEE80211_IOC_AUTHMODE,
330 IEEE80211_AUTH_AUTO);
331 }
af586419
JM		 332 if (!params->wpa && !params->ieee802_1x) {
333 hostapd_logger(drv->hapd, NULL, HOSTAPD_MODULE_DRIVER,
c5121837
JM		 334 HOSTAPD_LEVEL_WARNING, "No 802.1X or WPA enabled!");
335 return -1;
336 }
c9b9e494 337 if (params->wpa && bsd_configure_wpa(drv, params) != 0) {
af586419 338 hostapd_logger(drv->hapd, NULL, HOSTAPD_MODULE_DRIVER,
c5121837
JM		 339 HOSTAPD_LEVEL_WARNING, "Error configuring WPA state!");
340 return -1;
341 }
342 if (set80211param(priv, IEEE80211_IOC_AUTHMODE,
af586419
JM		 343 (params->wpa ? IEEE80211_AUTH_WPA : IEEE80211_AUTH_8021X))) {
344 hostapd_logger(drv->hapd, NULL, HOSTAPD_MODULE_DRIVER,
c5121837
JM		 345 HOSTAPD_LEVEL_WARNING, "Error enabling WPA/802.1X!");
346 return -1;
347 }
348 return bsd_set_iface_flags(priv, 1);
349}
350
351static int
352bsd_set_privacy(const char *ifname, void *priv, int enabled)
353{
354 struct bsd_driver_data *drv = priv;
355
356 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled);
357
358 return set80211param(drv, IEEE80211_IOC_PRIVACY, enabled);
359}
360
361static int
362bsd_set_sta_authorized(void *priv, const u8 *addr, int authorized)
363{
364 struct bsd_driver_data *drv = priv;
365 struct ieee80211req_mlme mlme;
366
367 wpa_printf(MSG_DEBUG, "%s: addr=%s authorized=%d",
368 __func__, ether_sprintf(addr), authorized);
369
370 if (authorized)
371 mlme.im_op = IEEE80211_MLME_AUTHORIZE;
372 else
373 mlme.im_op = IEEE80211_MLME_UNAUTHORIZE;
374 mlme.im_reason = 0;
375 memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
376 return set80211var(drv, IEEE80211_IOC_MLME, &mlme, sizeof(mlme));
377}
378
379static int
380bsd_sta_set_flags(void *priv, const u8 *addr, int total_flags, int flags_or,
381 int flags_and)
382{
383 /* For now, only support setting Authorized flag */
0de39516 384 if (flags_or & WPA_STA_AUTHORIZED)
c5121837 385 return bsd_set_sta_authorized(priv, addr, 1);
0de39516 386 if (!(flags_and & WPA_STA_AUTHORIZED))
c5121837
JM		 387 return bsd_set_sta_authorized(priv, addr, 0);
388 return 0;
389}
390
391static int
392bsd_del_key(void *priv, const u8 *addr, int key_idx)
393{
394 struct bsd_driver_data *drv = priv;
395 struct ieee80211req_del_key wk;
396
397 wpa_printf(MSG_DEBUG, "%s: addr=%s key_idx=%d",
398 __func__, ether_sprintf(addr), key_idx);
399
400 memset(&wk, 0, sizeof(wk));
401 if (addr != NULL) {
402 memcpy(wk.idk_macaddr, addr, IEEE80211_ADDR_LEN);
403 wk.idk_keyix = (u_int8_t) IEEE80211_KEYIX_NONE; /* XXX */
404 } else {
405 wk.idk_keyix = key_idx;
406 }
407
408 return set80211var(drv, IEEE80211_IOC_DELKEY, &wk, sizeof(wk));
409}
410
411static int
71934751 412bsd_set_key(const char *ifname, void *priv, enum wpa_alg alg,
c5121837
JM		 413 const u8 *addr, int key_idx, int set_tx, const u8 *seq,
414 size_t seq_len, const u8 *key, size_t key_len)
415{
416 struct bsd_driver_data *drv = priv;
417 struct ieee80211req_key wk;
418 u_int8_t cipher;
419
420 if (alg == WPA_ALG_NONE)
421 return bsd_del_key(drv, addr, key_idx);
422
423 wpa_printf(MSG_DEBUG, "%s: alg=%d addr=%s key_idx=%d",
424 __func__, alg, ether_sprintf(addr), key_idx);
425
426 if (alg == WPA_ALG_WEP)
427 cipher = IEEE80211_CIPHER_WEP;
428 else if (alg == WPA_ALG_TKIP)
429 cipher = IEEE80211_CIPHER_TKIP;
430 else if (alg == WPA_ALG_CCMP)
431 cipher = IEEE80211_CIPHER_AES_CCM;
432 else {
433 printf("%s: unknown/unsupported algorithm %d\n",
434 __func__, alg);
435 return -1;
436 }
437
438 if (key_len > sizeof(wk.ik_keydata)) {
92e63aaf 439 printf("%s: key length %d too big\n", __func__, (int) key_len);
c5121837
JM		 440 return -3;
441 }
442
443 memset(&wk, 0, sizeof(wk));
444 wk.ik_type = cipher;
445 wk.ik_flags = IEEE80211_KEY_RECV | IEEE80211_KEY_XMIT;
446 if (addr == NULL) {
447 memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN);
448 wk.ik_keyix = key_idx;
449 wk.ik_flags |= IEEE80211_KEY_DEFAULT;
450 } else {
451 memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
452 wk.ik_keyix = IEEE80211_KEYIX_NONE;
453 }
454 wk.ik_keylen = key_len;
455 memcpy(wk.ik_keydata, key, key_len);
456
457 return set80211var(drv, IEEE80211_IOC_WPAKEY, &wk, sizeof(wk));
458}
459
460
461static int
462bsd_get_seqnum(const char *ifname, void *priv, const u8 *addr, int idx,
463 u8 *seq)
464{
465 struct bsd_driver_data *drv = priv;
466 struct ieee80211req_key wk;
467
468 wpa_printf(MSG_DEBUG, "%s: addr=%s idx=%d",
469 __func__, ether_sprintf(addr), idx);
470
471 memset(&wk, 0, sizeof(wk));
472 if (addr == NULL)
473 memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN);
474 else
475 memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
476 wk.ik_keyix = idx;
477
478 if (get80211var(drv, IEEE80211_IOC_WPAKEY, &wk, sizeof(wk)) < 0) {
479 printf("Failed to get encryption.\n");
480 return -1;
481 }
482
483#ifdef WORDS_BIGENDIAN
484 {
485 /*
486 * wk.ik_keytsc is in host byte order (big endian), need to
487 * swap it to match with the byte order used in WPA.
488 */
489 int i;
490 u8 tmp[WPA_KEY_RSC_LEN];
491 memcpy(tmp, &wk.ik_keytsc, sizeof(wk.ik_keytsc));
492 for (i = 0; i < WPA_KEY_RSC_LEN; i++) {
493 seq[i] = tmp[WPA_KEY_RSC_LEN - i - 1];
494 }
495 }
496#else /* WORDS_BIGENDIAN */
497 memcpy(seq, &wk.ik_keytsc, sizeof(wk.ik_keytsc));
498#endif /* WORDS_BIGENDIAN */
499 return 0;
500}
501
502
503static int
504bsd_flush(void *priv)
505{
506 u8 allsta[IEEE80211_ADDR_LEN];
507
508 memset(allsta, 0xff, IEEE80211_ADDR_LEN);
731723a5 509 return bsd_sta_deauth(priv, NULL, allsta, IEEE80211_REASON_AUTH_LEAVE);
c5121837
JM		 510}
511
512
513static int
514bsd_read_sta_driver_data(void *priv, struct hostap_sta_driver_data *data,
515 const u8 *addr)
516{
517 struct bsd_driver_data *drv = priv;
518 struct ieee80211req_sta_stats stats;
519
520 memcpy(stats.is_u.macaddr, addr, IEEE80211_ADDR_LEN);
521 if (get80211var(drv, IEEE80211_IOC_STA_STATS, &stats, sizeof(stats)) > 0) {
522 /* XXX? do packets counts include non-data frames? */
523 data->rx_packets = stats.is_stats.ns_rx_data;
524 data->rx_bytes = stats.is_stats.ns_rx_bytes;
525 data->tx_packets = stats.is_stats.ns_tx_data;
526 data->tx_bytes = stats.is_stats.ns_tx_bytes;
527 }
528 return 0;
529}
530
531static int
532bsd_set_opt_ie(const char *ifname, void *priv, const u8 *ie, size_t ie_len)
533{
534 /*
535 * Do nothing; we setup parameters at startup that define the
536 * contents of the beacon information element.
537 */
538 return 0;
539}
540
541static int
731723a5 542bsd_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr, int reason_code)
c5121837
JM		 543{
544 struct bsd_driver_data *drv = priv;
545 struct ieee80211req_mlme mlme;
546
547 wpa_printf(MSG_DEBUG, "%s: addr=%s reason_code=%d",
548 __func__, ether_sprintf(addr), reason_code);
549
550 mlme.im_op = IEEE80211_MLME_DEAUTH;
551 mlme.im_reason = reason_code;
552 memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
553 return set80211var(drv, IEEE80211_IOC_MLME, &mlme, sizeof(mlme));
554}
555
556static int
731723a5
JM		 557bsd_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
558 int reason_code)
c5121837
JM		 559{
560 struct bsd_driver_data *drv = priv;
561 struct ieee80211req_mlme mlme;
562
563 wpa_printf(MSG_DEBUG, "%s: addr=%s reason_code=%d",
564 __func__, ether_sprintf(addr), reason_code);
565
566 mlme.im_op = IEEE80211_MLME_DISASSOC;
567 mlme.im_reason = reason_code;
568 memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
569 return set80211var(drv, IEEE80211_IOC_MLME, &mlme, sizeof(mlme));
570}
571
1d041bec 572static void
c5121837
JM		 573bsd_new_sta(struct bsd_driver_data *drv, u8 addr[IEEE80211_ADDR_LEN])
574{
575 struct hostapd_data *hapd = drv->hapd;
576 struct ieee80211req_wpaie ie;
577 int ielen = 0;
578 u8 *iebuf = NULL;
579
580 /*
581 * Fetch and validate any negotiated WPA/RSN parameters.
582 */
583 memset(&ie, 0, sizeof(ie));
584 memcpy(ie.wpa_macaddr, addr, IEEE80211_ADDR_LEN);
585 if (get80211var(drv, IEEE80211_IOC_WPAIE, &ie, sizeof(ie)) < 0) {
586 printf("Failed to get WPA/RSN information element.\n");
587 goto no_ie;
588 }
589 iebuf = ie.wpa_ie;
590 ielen = ie.wpa_ie[1];
591 if (ielen == 0)
592 iebuf = NULL;
593 else
594 ielen += 2;
595
596no_ie:
1d041bec 597 drv_event_assoc(hapd, addr, iebuf, ielen);
c5121837
JM		 598}
599
c5121837
JM		 600static void
601bsd_wireless_event_receive(int sock, void *ctx, void *sock_ctx)
602{
603 struct bsd_driver_data *drv = ctx;
c5121837
JM		 604 char buf[2048];
605 struct if_announcemsghdr *ifan;
606 struct rt_msghdr *rtm;
607 struct ieee80211_michael_event *mic;
608 struct ieee80211_join_event *join;
609 struct ieee80211_leave_event *leave;
610 int n;
1cd973d5 611 union wpa_event_data data;
c5121837
JM		 612
613 n = read(sock, buf, sizeof(buf));
614 if (n < 0) {
615 if (errno != EINTR && errno != EAGAIN)
616 perror("read(PF_ROUTE)");
617 return;
618 }
619
620 rtm = (struct rt_msghdr *) buf;
621 if (rtm->rtm_version != RTM_VERSION) {
622 wpa_printf(MSG_DEBUG, "Routing message version %d not "
623 "understood\n", rtm->rtm_version);
624 return;
625 }
626 ifan = (struct if_announcemsghdr *) rtm;
627 switch (rtm->rtm_type) {
628 case RTM_IEEE80211:
629 switch (ifan->ifan_what) {
630 case RTM_IEEE80211_ASSOC:
631 case RTM_IEEE80211_REASSOC:
632 case RTM_IEEE80211_DISASSOC:
633 case RTM_IEEE80211_SCAN:
634 break;
635 case RTM_IEEE80211_LEAVE:
636 leave = (struct ieee80211_leave_event *) &ifan[1];
69378b79 637 drv_event_disassoc(drv->hapd, leave->iev_addr);
c5121837
JM		 638 break;
639 case RTM_IEEE80211_JOIN:
640#ifdef RTM_IEEE80211_REJOIN
641 case RTM_IEEE80211_REJOIN:
642#endif
643 join = (struct ieee80211_join_event *) &ifan[1];
644 bsd_new_sta(drv, join->iev_addr);
645 break;
646 case RTM_IEEE80211_REPLAY:
647 /* ignore */
648 break;
649 case RTM_IEEE80211_MICHAEL:
650 mic = (struct ieee80211_michael_event *) &ifan[1];
651 wpa_printf(MSG_DEBUG,
652 "Michael MIC failure wireless event: "
653 "keyix=%u src_addr=" MACSTR, mic->iev_keyix,
654 MAC2STR(mic->iev_src));
1cd973d5
JM		 655 os_memset(&data, 0, sizeof(data));
656 data.michael_mic_failure.unicast = 1;
657 data.michael_mic_failure.src = mic->iev_src;
658 wpa_supplicant_event(drv->hapd,
659 EVENT_MICHAEL_MIC_FAILURE, &data);
c5121837
JM		 660 break;
661 }
662 break;
663 }
664}
665
666static int
667bsd_wireless_event_init(struct bsd_driver_data *drv)
668{
669 int s;
670
671 drv->wext_sock = -1;
672
673 s = socket(PF_ROUTE, SOCK_RAW, 0);
674 if (s < 0) {
675 perror("socket(PF_ROUTE,SOCK_RAW)");
676 return -1;
677 }
678 eloop_register_read_sock(s, bsd_wireless_event_receive, drv, NULL);
679 drv->wext_sock = s;
680
681 return 0;
682}
683
684static void
685bsd_wireless_event_deinit(struct bsd_driver_data *drv)
686{
687 if (drv->wext_sock < 0)
688 return;
689 eloop_unregister_read_sock(drv->wext_sock);
690 close(drv->wext_sock);
691}
692
693
694static int
695bsd_send_eapol(void *priv, const u8 *addr, const u8 *data, size_t data_len,
696 int encrypt, const u8 *own_addr)
697{
698 struct bsd_driver_data *drv = priv;
11386396 699 unsigned char *bp;
c5121837
JM		 700 struct l2_ethhdr *eth;
701 size_t len;
702 int status;
703
704 /*
11386396 705 * Prepend the Ethernet header. If the caller left us
c5121837
JM		 706 * space at the front we could just insert it but since
707 * we don't know we copy to a local buffer. Given the frequency
708 * and size of frames this probably doesn't matter.
709 */
710 len = data_len + sizeof(struct l2_ethhdr);
11386396
MH		 711 bp = os_zalloc(len);
712 if (bp == NULL) {
713 wpa_printf(MSG_ERROR, "malloc() failed for bsd_send_eapol"
714 "(len=%lu)", (unsigned long) len);
715 return -1;
c5121837
JM		 716 }
717 eth = (struct l2_ethhdr *) bp;
11386396
MH		 718 os_memcpy(eth->h_dest, addr, ETH_ALEN);
719 os_memcpy(eth->h_source, own_addr, ETH_ALEN);
c5121837 720 eth->h_proto = htons(ETH_P_EAPOL);
11386396 721 os_memcpy(eth + 1, data, data_len);
c5121837
JM		 722
723 wpa_hexdump(MSG_MSGDUMP, "TX EAPOL", bp, len);
724
725 status = l2_packet_send(drv->sock_xmit, addr, ETH_P_EAPOL, bp, len);
726
11386396 727 os_free(bp);
c5121837
JM		 728 return status;
729}
730
731static void
732handle_read(void *ctx, const u8 *src_addr, const u8 *buf, size_t len)
733{
734 struct bsd_driver_data *drv = ctx;
baac6490
JM		 735 drv_event_eapol_rx(drv->hapd, src_addr, buf + sizeof(struct l2_ethhdr),
736 len - sizeof(struct l2_ethhdr));
c5121837
JM		 737}
738
739static int
66d4085f 740hostapd_bsd_get_ssid(const char *ifname, void *priv, u8 *buf, int len)
c5121837
JM		 741{
742 struct bsd_driver_data *drv = priv;
66d4085f 743 int ssid_len;
c5121837 744
66d4085f 745 ssid_len = bsd_get_ssid(drv->ioctl_sock, drv->iface, buf);
c5121837
JM		 746 wpa_printf(MSG_DEBUG, "%s: ssid=\"%.*s\"", __func__, ssid_len, buf);
747
748 return ssid_len;
749}
750
751static int
66d4085f 752hostapd_bsd_set_ssid(const char *ifname, void *priv, const u8 *buf, int len)
c5121837
JM		 753{
754 struct bsd_driver_data *drv = priv;
755
756 wpa_printf(MSG_DEBUG, "%s: ssid=\"%.*s\"", __func__, len, buf);
757
66d4085f 758 return bsd_set_ssid(drv->ioctl_sock, drv->iface, buf, len);
c5121837
JM		 759}
760
761static void *
92f475b4 762bsd_init(struct hostapd_data *hapd, struct wpa_init_params *params)
c5121837
JM		 763{
764 struct bsd_driver_data *drv;
765
766 drv = os_zalloc(sizeof(struct bsd_driver_data));
767 if (drv == NULL) {
768 printf("Could not allocate memory for bsd driver data\n");
769 goto bad;
770 }
771
772 drv->hapd = hapd;
773 drv->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
774 if (drv->ioctl_sock < 0) {
775 perror("socket[PF_INET,SOCK_DGRAM]");
776 goto bad;
777 }
412036f5 778 memcpy(drv->iface, params->ifname, sizeof(drv->iface));
c5121837
JM		 779
780 drv->sock_xmit = l2_packet_init(drv->iface, NULL, ETH_P_EAPOL,
781 handle_read, drv, 1);
782 if (drv->sock_xmit == NULL)
783 goto bad;
412036f5 784 if (l2_packet_get_own_addr(drv->sock_xmit, params->own_addr))
c5121837
JM		 785 goto bad;
786
787 bsd_set_iface_flags(drv, 0); /* mark down during setup */
788 if (bsd_wireless_event_init(drv))
789 goto bad;
790
791 return drv;
792bad:
793 if (drv->sock_xmit != NULL)
794 l2_packet_deinit(drv->sock_xmit);
795 if (drv->ioctl_sock >= 0)
796 close(drv->ioctl_sock);
797 if (drv != NULL)
798 free(drv);
799 return NULL;
800}
801
802
803static void
804bsd_deinit(void *priv)
805{
806 struct bsd_driver_data *drv = priv;
807
808 bsd_wireless_event_deinit(drv);
809 (void) bsd_set_iface_flags(drv, 0);
810 if (drv->ioctl_sock >= 0)
811 close(drv->ioctl_sock);
812 if (drv->sock_xmit != NULL)
813 l2_packet_deinit(drv->sock_xmit);
814 free(drv);
815}
816
817const struct wpa_driver_ops wpa_driver_bsd_ops = {
818 .name = "bsd",
819 .hapd_init = bsd_init,
820 .hapd_deinit = bsd_deinit,
821 .set_ieee8021x = bsd_set_ieee8021x,
822 .set_privacy = bsd_set_privacy,
642187d6 823 .set_key = bsd_set_key,
c5121837
JM		 824 .get_seqnum = bsd_get_seqnum,
825 .flush = bsd_flush,
826 .set_generic_elem = bsd_set_opt_ie,
827 .sta_set_flags = bsd_sta_set_flags,
828 .read_sta_data = bsd_read_sta_driver_data,
829 .hapd_send_eapol = bsd_send_eapol,
830 .sta_disassoc = bsd_sta_disassoc,
831 .sta_deauth = bsd_sta_deauth,
66d4085f
RM		 832 .hapd_set_ssid = hostapd_bsd_set_ssid,
833 .hapd_get_ssid = hostapd_bsd_get_ssid,
c5121837
JM		 834};
835
836#else /* HOSTAPD */
837
6fc6879b
JM		 838struct wpa_driver_bsd_data {
839 int sock; /* open socket for 802.11 ioctls */
840 int route; /* routing socket for events */
841 char ifname[IFNAMSIZ+1]; /* interface name */
842 unsigned int ifindex; /* interface index */
843 void *ctx;
844 int prev_roaming; /* roaming state to restore on deinit */
845 int prev_privacy; /* privacy state to restore on deinit */
846 int prev_wpa; /* wpa state to restore on deinit */
847};
848
849static int
850set80211var(struct wpa_driver_bsd_data *drv, int op, const void *arg, int arg_len)
851{
66d4085f 852 return bsd_set80211var(drv->sock, drv->ifname, op, arg, arg_len);
6fc6879b
JM		 853}
854
855static int
856get80211var(struct wpa_driver_bsd_data *drv, int op, void *arg, int arg_len)
857{
66d4085f 858 return bsd_get80211var(drv->sock, drv->ifname, op, arg, arg_len);
6fc6879b
JM		 859}
860
861static int
862set80211param(struct wpa_driver_bsd_data *drv, int op, int arg)
863{
66d4085f 864 return bsd_set80211param(drv->sock, drv->ifname, op, arg);
6fc6879b
JM		 865}
866
867static int
868get80211param(struct wpa_driver_bsd_data *drv, int op)
869{
870 struct ieee80211req ireq;
871
872 os_memset(&ireq, 0, sizeof(ireq));
66d4085f 873 os_strlcpy(ireq.i_name, drv->ifname, sizeof(ireq.i_name));
6fc6879b
JM		 874 ireq.i_type = op;
875
876 if (ioctl(drv->sock, SIOCG80211, &ireq) < 0) {
877 fprintf(stderr, "ioctl[SIOCG80211, op %u]: %s\n",
878 op, strerror(errno));
879 return -1;
880 }
881 return ireq.i_val;
882}
883
884static int
885getifflags(struct wpa_driver_bsd_data *drv, int *flags)
886{
887 struct ifreq ifr;
888
889 os_memset(&ifr, 0, sizeof(ifr));
890 os_strlcpy(ifr.ifr_name, drv->ifname, sizeof(ifr.ifr_name));
891 if (ioctl(drv->sock, SIOCGIFFLAGS, (caddr_t)&ifr) < 0) {
892 perror("SIOCGIFFLAGS");
893 return errno;
894 }
895 *flags = ifr.ifr_flags & 0xffff;
896 return 0;
897}
898
899static int
900setifflags(struct wpa_driver_bsd_data *drv, int flags)
901{
902 struct ifreq ifr;
903
904 os_memset(&ifr, 0, sizeof(ifr));
905 os_strlcpy(ifr.ifr_name, drv->ifname, sizeof(ifr.ifr_name));
906 ifr.ifr_flags = flags & 0xffff;
907 if (ioctl(drv->sock, SIOCSIFFLAGS, (caddr_t)&ifr) < 0) {
908 perror("SIOCSIFFLAGS");
909 return errno;
910 }
911 return 0;
912}
913
914static int
915wpa_driver_bsd_get_bssid(void *priv, u8 *bssid)
916{
917 struct wpa_driver_bsd_data *drv = priv;
66d4085f 918#ifdef SIOCG80211BSSID
a65f4a57 919 struct ieee80211_bssid bs;
6fc6879b 920
a65f4a57
MH		 921 os_strncpy(bs.i_name, drv->ifname, sizeof(bs.i_name));
922 if (ioctl(drv->sock, SIOCG80211BSSID, &bs) < 0)
923 return -1;
924 os_memcpy(bssid, bs.i_bssid, sizeof(bs.i_bssid));
925 return 0;
926#else
6fc6879b
JM		 927 return get80211var(drv, IEEE80211_IOC_BSSID,
928 bssid, IEEE80211_ADDR_LEN) < 0 ? -1 : 0;
a65f4a57 929#endif
6fc6879b
JM		 930}
931
932#if 0
933static int
934wpa_driver_bsd_set_bssid(void *priv, const char *bssid)
935{
936 struct wpa_driver_bsd_data *drv = priv;
937
938 return set80211var(drv, IEEE80211_IOC_BSSID,
939 bssid, IEEE80211_ADDR_LEN);
940}
941#endif
942
943static int
944wpa_driver_bsd_get_ssid(void *priv, u8 *ssid)
945{
946 struct wpa_driver_bsd_data *drv = priv;
947
66d4085f 948 return bsd_get_ssid(drv->sock, drv->ifname, ssid);
6fc6879b
JM		 949}
950
951static int
4df91b3f 952wpa_driver_bsd_set_ssid(void *priv, const u8 *ssid,
6fc6879b
JM		 953 size_t ssid_len)
954{
955 struct wpa_driver_bsd_data *drv = priv;
956
66d4085f 957 return bsd_set_ssid(drv->sock, drv->ifname, ssid, ssid_len);
6fc6879b
JM		 958}
959
960static int
961wpa_driver_bsd_set_wpa_ie(struct wpa_driver_bsd_data *drv,
4df91b3f 962 const u8 *wpa_ie, size_t wpa_ie_len)
6fc6879b 963{
c610dba1
MH		 964#ifdef IEEE80211_IOC_APPIE
965 return set80211var(drv, IEEE80211_IOC_APPIE, wpa_ie, wpa_ie_len);
966#else /* IEEE80211_IOC_APPIE */
6fc6879b 967 return set80211var(drv, IEEE80211_IOC_OPTIE, wpa_ie, wpa_ie_len);
c610dba1 968#endif /* IEEE80211_IOC_APPIE */
6fc6879b
JM		 969}
970
971static int
972wpa_driver_bsd_set_wpa_internal(void *priv, int wpa, int privacy)
973{
974 struct wpa_driver_bsd_data *drv = priv;
975 int ret = 0;
976
977 wpa_printf(MSG_DEBUG, "%s: wpa=%d privacy=%d",
978 __FUNCTION__, wpa, privacy);
979
980 if (!wpa && wpa_driver_bsd_set_wpa_ie(drv, NULL, 0) < 0)
981 ret = -1;
982 if (set80211param(drv, IEEE80211_IOC_PRIVACY, privacy) < 0)
983 ret = -1;
984 if (set80211param(drv, IEEE80211_IOC_WPA, wpa) < 0)
985 ret = -1;
986
987 return ret;
988}
989
990static int
991wpa_driver_bsd_set_wpa(void *priv, int enabled)
992{
993 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __FUNCTION__, enabled);
994
995 return wpa_driver_bsd_set_wpa_internal(priv, enabled ? 3 : 0, enabled);
996}
997
998static int
999wpa_driver_bsd_del_key(struct wpa_driver_bsd_data *drv, int key_idx,
1000 const unsigned char *addr)
1001{
1002 struct ieee80211req_del_key wk;
1003
1004 os_memset(&wk, 0, sizeof(wk));
1005 if (addr != NULL &&
1006 bcmp(addr, "\xff\xff\xff\xff\xff\xff", IEEE80211_ADDR_LEN) != 0) {
1007 struct ether_addr ea;
1008
1009 os_memcpy(&ea, addr, IEEE80211_ADDR_LEN);
1010 wpa_printf(MSG_DEBUG, "%s: addr=%s keyidx=%d",
1011 __func__, ether_ntoa(&ea), key_idx);
1012 os_memcpy(wk.idk_macaddr, addr, IEEE80211_ADDR_LEN);
1013 wk.idk_keyix = (uint8_t) IEEE80211_KEYIX_NONE;
1014 } else {
1015 wpa_printf(MSG_DEBUG, "%s: keyidx=%d", __func__, key_idx);
1016 wk.idk_keyix = key_idx;
1017 }
1018 return set80211var(drv, IEEE80211_IOC_DELKEY, &wk, sizeof(wk));
1019}
1020
1021static int
71934751 1022wpa_driver_bsd_set_key(const char *ifname, void *priv, enum wpa_alg alg,
6fc6879b
JM		 1023 const unsigned char *addr, int key_idx, int set_tx,
1024 const u8 *seq, size_t seq_len,
1025 const u8 *key, size_t key_len)
1026{
1027 struct wpa_driver_bsd_data *drv = priv;
1028 struct ieee80211req_key wk;
1029 struct ether_addr ea;
1030 char *alg_name;
1031 u_int8_t cipher;
1032
1033 if (alg == WPA_ALG_NONE)
1034 return wpa_driver_bsd_del_key(drv, key_idx, addr);
1035
1036 switch (alg) {
1037 case WPA_ALG_WEP:
1038 alg_name = "WEP";
1039 cipher = IEEE80211_CIPHER_WEP;
1040 break;
1041 case WPA_ALG_TKIP:
1042 alg_name = "TKIP";
1043 cipher = IEEE80211_CIPHER_TKIP;
1044 break;
1045 case WPA_ALG_CCMP:
1046 alg_name = "CCMP";
1047 cipher = IEEE80211_CIPHER_AES_CCM;
1048 break;
1049 default:
1050 wpa_printf(MSG_DEBUG, "%s: unknown/unsupported algorithm %d",
1051 __func__, alg);
1052 return -1;
1053 }
1054
1055 os_memcpy(&ea, addr, IEEE80211_ADDR_LEN);
1056 wpa_printf(MSG_DEBUG,
1057 "%s: alg=%s addr=%s key_idx=%d set_tx=%d seq_len=%zu key_len=%zu",
1058 __func__, alg_name, ether_ntoa(&ea), key_idx, set_tx,
1059 seq_len, key_len);
1060
1061 if (seq_len > sizeof(u_int64_t)) {
1062 wpa_printf(MSG_DEBUG, "%s: seq_len %zu too big",
1063 __func__, seq_len);
1064 return -2;
1065 }
1066 if (key_len > sizeof(wk.ik_keydata)) {
1067 wpa_printf(MSG_DEBUG, "%s: key length %zu too big",
1068 __func__, key_len);
1069 return -3;
1070 }
1071
1072 os_memset(&wk, 0, sizeof(wk));
1073 wk.ik_type = cipher;
1074 wk.ik_flags = IEEE80211_KEY_RECV;
1075 if (set_tx)
1076 wk.ik_flags |= IEEE80211_KEY_XMIT;
1077 os_memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
1078 /*
1079 * Deduce whether group/global or unicast key by checking
1080 * the address (yech). Note also that we can only mark global
1081 * keys default; doing this for a unicast key is an error.
1082 */
1083 if (bcmp(addr, "\xff\xff\xff\xff\xff\xff", IEEE80211_ADDR_LEN) == 0) {
1084 wk.ik_flags |= IEEE80211_KEY_GROUP;
1085 wk.ik_keyix = key_idx;
1086 } else {
1087 wk.ik_keyix = (key_idx == 0 ? IEEE80211_KEYIX_NONE : key_idx);
1088 }
1089 if (wk.ik_keyix != IEEE80211_KEYIX_NONE && set_tx)
1090 wk.ik_flags |= IEEE80211_KEY_DEFAULT;
1091 wk.ik_keylen = key_len;
1092 os_memcpy(&wk.ik_keyrsc, seq, seq_len);
1093 os_memcpy(wk.ik_keydata, key, key_len);
1094
1095 return set80211var(drv, IEEE80211_IOC_WPAKEY, &wk, sizeof(wk));
1096}
1097
1098static int
1099wpa_driver_bsd_set_countermeasures(void *priv, int enabled)
1100{
1101 struct wpa_driver_bsd_data *drv = priv;
1102
1103 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled);
1104 return set80211param(drv, IEEE80211_IOC_COUNTERMEASURES, enabled);
1105}
1106
1107
1108static int
1109wpa_driver_bsd_set_drop_unencrypted(void *priv, int enabled)
1110{
1111 struct wpa_driver_bsd_data *drv = priv;
1112
1113 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled);
1114 return set80211param(drv, IEEE80211_IOC_DROPUNENCRYPTED, enabled);
1115}
1116
1117static int
1118wpa_driver_bsd_deauthenticate(void *priv, const u8 *addr, int reason_code)
1119{
1120 struct wpa_driver_bsd_data *drv = priv;
1121 struct ieee80211req_mlme mlme;
1122
1123 wpa_printf(MSG_DEBUG, "%s", __func__);
1124 os_memset(&mlme, 0, sizeof(mlme));
1125 mlme.im_op = IEEE80211_MLME_DEAUTH;
1126 mlme.im_reason = reason_code;
1127 os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
1128 return set80211var(drv, IEEE80211_IOC_MLME, &mlme, sizeof(mlme));
1129}
1130
1131static int
1132wpa_driver_bsd_disassociate(void *priv, const u8 *addr, int reason_code)
1133{
1134 struct wpa_driver_bsd_data *drv = priv;
1135 struct ieee80211req_mlme mlme;
1136
1137 wpa_printf(MSG_DEBUG, "%s", __func__);
1138 os_memset(&mlme, 0, sizeof(mlme));
1139 mlme.im_op = IEEE80211_MLME_DISASSOC;
1140 mlme.im_reason = reason_code;
1141 os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
1142 return set80211var(drv, IEEE80211_IOC_MLME, &mlme, sizeof(mlme));
1143}
1144
2a91091e
MH		 1145static int
1146wpa_driver_bsd_set_auth_alg(void *priv, int auth_alg)
1147{
1148 struct wpa_driver_bsd_data *drv = priv;
1149 int authmode;
1150
abd9fafa
JM		 1151 if ((auth_alg & WPA_AUTH_ALG_OPEN) &&
1152 (auth_alg & WPA_AUTH_ALG_SHARED))
2a91091e 1153 authmode = IEEE80211_AUTH_AUTO;
abd9fafa 1154 else if (auth_alg & WPA_AUTH_ALG_SHARED)
2a91091e
MH		 1155 authmode = IEEE80211_AUTH_SHARED;
1156 else
1157 authmode = IEEE80211_AUTH_OPEN;
1158
1159 return set80211param(drv, IEEE80211_IOC_AUTHMODE, authmode);
1160}
1161
6fc6879b
JM		 1162static int
1163wpa_driver_bsd_associate(void *priv, struct wpa_driver_associate_params *params)
1164{
1165 struct wpa_driver_bsd_data *drv = priv;
1166 struct ieee80211req_mlme mlme;
1167 int privacy;
4a867032 1168 int ret = 0;
6fc6879b
JM		 1169
1170 wpa_printf(MSG_DEBUG,
1171 "%s: ssid '%.*s' wpa ie len %u pairwise %u group %u key mgmt %u"
1172 , __func__
92e63aaf
JM		 1173 , (unsigned int) params->ssid_len, params->ssid
1174 , (unsigned int) params->wpa_ie_len
6fc6879b
JM		 1175 , params->pairwise_suite
1176 , params->group_suite
1177 , params->key_mgmt_suite
1178 );
1179
4a867032
JM		 1180 if (wpa_driver_bsd_set_drop_unencrypted(drv, params->drop_unencrypted)
1181 < 0)
1182 ret = -1;
1183 if (wpa_driver_bsd_set_auth_alg(drv, params->auth_alg) < 0)
1184 ret = -1;
6fc6879b
JM		 1185 /* XXX error handling is wrong but unclear what to do... */
1186 if (wpa_driver_bsd_set_wpa_ie(drv, params->wpa_ie, params->wpa_ie_len) < 0)
1187 return -1;
6fc6879b
JM		 1188
1189 privacy = !(params->pairwise_suite == CIPHER_NONE &&
1190 params->group_suite == CIPHER_NONE &&
1191 params->key_mgmt_suite == KEY_MGMT_NONE &&
1192 params->wpa_ie_len == 0);
1193 wpa_printf(MSG_DEBUG, "%s: set PRIVACY %u", __func__, privacy);
1194
1195 if (set80211param(drv, IEEE80211_IOC_PRIVACY, privacy) < 0)
1196 return -1;
1197
1198 if (params->wpa_ie_len &&
1199 set80211param(drv, IEEE80211_IOC_WPA,
1200 params->wpa_ie[0] == WLAN_EID_RSN ? 2 : 1) < 0)
1201 return -1;
1202
1203 os_memset(&mlme, 0, sizeof(mlme));
1204 mlme.im_op = IEEE80211_MLME_ASSOC;
6fc6879b
JM		 1205 if (params->ssid != NULL)
1206 os_memcpy(mlme.im_ssid, params->ssid, params->ssid_len);
1207 mlme.im_ssid_len = params->ssid_len;
6fc6879b
JM		 1208 if (params->bssid != NULL)
1209 os_memcpy(mlme.im_macaddr, params->bssid, IEEE80211_ADDR_LEN);
1210 if (set80211var(drv, IEEE80211_IOC_MLME, &mlme, sizeof(mlme)) < 0)
1211 return -1;
4a867032 1212 return ret;
6fc6879b
JM		 1213}
1214
6fc6879b 1215static int
c2e8d0a0 1216wpa_driver_bsd_scan(void *priv, struct wpa_driver_scan_params *params)
6fc6879b
JM		 1217{
1218 struct wpa_driver_bsd_data *drv = priv;
1219 int flags;
c2e8d0a0
JM		 1220 const u8 *ssid = params->ssids[0].ssid;
1221 size_t ssid_len = params->ssids[0].ssid_len;
6fc6879b
JM		 1222
1223 /* NB: interface must be marked UP to do a scan */
1224 if (getifflags(drv, &flags) != 0 || setifflags(drv, flags | IFF_UP) != 0)
1225 return -1;
1226
1227 /* set desired ssid before scan */
1228 if (wpa_driver_bsd_set_ssid(drv, ssid, ssid_len) < 0)
1229 return -1;
1230
1231 /* NB: net80211 delivers a scan complete event so no need to poll */
1232 return set80211param(drv, IEEE80211_IOC_SCAN_REQ, 0);
1233}
1234
6fc6879b
JM		 1235static void
1236wpa_driver_bsd_event_receive(int sock, void *ctx, void *sock_ctx)
1237{
1238 struct wpa_driver_bsd_data *drv = sock_ctx;
1239 char buf[2048];
1240 struct if_announcemsghdr *ifan;
1241 struct if_msghdr *ifm;
1242 struct rt_msghdr *rtm;
1243 union wpa_event_data event;
1244 struct ieee80211_michael_event *mic;
1245 int n;
1246
1247 n = read(sock, buf, sizeof(buf));
1248 if (n < 0) {
1249 if (errno != EINTR && errno != EAGAIN)
1250 perror("read(PF_ROUTE)");
1251 return;
1252 }
1253
1254 rtm = (struct rt_msghdr *) buf;
1255 if (rtm->rtm_version != RTM_VERSION) {
1256 wpa_printf(MSG_DEBUG, "Routing message version %d not "
1257 "understood\n", rtm->rtm_version);
1258 return;
1259 }
1260 os_memset(&event, 0, sizeof(event));
1261 switch (rtm->rtm_type) {
1262 case RTM_IFANNOUNCE:
1263 ifan = (struct if_announcemsghdr *) rtm;
1264 if (ifan->ifan_index != drv->ifindex)
1265 break;
1266 strlcpy(event.interface_status.ifname, drv->ifname,
1267 sizeof(event.interface_status.ifname));
1268 switch (ifan->ifan_what) {
1269 case IFAN_DEPARTURE:
1270 event.interface_status.ievent = EVENT_INTERFACE_REMOVED;
1271 default:
1272 return;
1273 }
1274 wpa_printf(MSG_DEBUG, "RTM_IFANNOUNCE: Interface '%s' %s",
1275 event.interface_status.ifname,
1276 ifan->ifan_what == IFAN_DEPARTURE ?
1277 "removed" : "added");
1278 wpa_supplicant_event(ctx, EVENT_INTERFACE_STATUS, &event);
1279 break;
1280 case RTM_IEEE80211:
1281 ifan = (struct if_announcemsghdr *) rtm;
1282 if (ifan->ifan_index != drv->ifindex)
1283 break;
1284 switch (ifan->ifan_what) {
1285 case RTM_IEEE80211_ASSOC:
1286 case RTM_IEEE80211_REASSOC:
1287 wpa_supplicant_event(ctx, EVENT_ASSOC, NULL);
1288 break;
1289 case RTM_IEEE80211_DISASSOC:
1290 wpa_supplicant_event(ctx, EVENT_DISASSOC, NULL);
1291 break;
1292 case RTM_IEEE80211_SCAN:
1293 wpa_supplicant_event(ctx, EVENT_SCAN_RESULTS, NULL);
1294 break;
1295 case RTM_IEEE80211_REPLAY:
1296 /* ignore */
1297 break;
1298 case RTM_IEEE80211_MICHAEL:
1299 mic = (struct ieee80211_michael_event *) &ifan[1];
1300 wpa_printf(MSG_DEBUG,
1301 "Michael MIC failure wireless event: "
1302 "keyix=%u src_addr=" MACSTR, mic->iev_keyix,
1303 MAC2STR(mic->iev_src));
1304
1305 os_memset(&event, 0, sizeof(event));
1306 event.michael_mic_failure.unicast =
1307 !IEEE80211_IS_MULTICAST(mic->iev_dst);
1308 wpa_supplicant_event(ctx, EVENT_MICHAEL_MIC_FAILURE,
1309 &event);
1310 break;
1311 }
1312 break;
1313 case RTM_IFINFO:
1314 ifm = (struct if_msghdr *) rtm;
1315 if (ifm->ifm_index != drv->ifindex)
1316 break;
1317 if ((rtm->rtm_flags & RTF_UP) == 0) {
1318 strlcpy(event.interface_status.ifname, drv->ifname,
1319 sizeof(event.interface_status.ifname));
1320 event.interface_status.ievent = EVENT_INTERFACE_REMOVED;
1321 wpa_printf(MSG_DEBUG, "RTM_IFINFO: Interface '%s' DOWN",
1322 event.interface_status.ifname);
1323 wpa_supplicant_event(ctx, EVENT_INTERFACE_STATUS, &event);
1324 }
1325 break;
1326 }
1327}
1328
a65f4a57
MH		 1329static void
1330wpa_driver_bsd_add_scan_entry(struct wpa_scan_results *res,
1331 struct ieee80211req_scan_result *sr)
6fc6879b 1332{
a65f4a57
MH		 1333 struct wpa_scan_res *result, **tmp;
1334 size_t extra_len;
1335 u8 *pos;
6fc6879b 1336
a65f4a57
MH		 1337 extra_len = 2 + sr->isr_ssid_len;
1338 extra_len += 2 + sr->isr_nrates;
1339 extra_len += 3; /* ERP IE */
1340 extra_len += sr->isr_ie_len;
6fc6879b 1341
a65f4a57
MH		 1342 result = os_zalloc(sizeof(*result) + extra_len);
1343 if (result == NULL)
1344 return;
1345 os_memcpy(result->bssid, sr->isr_bssid, ETH_ALEN);
1346 result->freq = sr->isr_freq;
1347 result->beacon_int = sr->isr_intval;
1348 result->caps = sr->isr_capinfo;
1349 result->qual = sr->isr_rssi;
1350 result->noise = sr->isr_noise;
6fc6879b 1351
a65f4a57 1352 pos = (u8 *)(result + 1);
6fc6879b 1353
a65f4a57
MH		 1354 *pos++ = WLAN_EID_SSID;
1355 *pos++ = sr->isr_ssid_len;
1356 os_memcpy(pos, sr + 1, sr->isr_ssid_len);
1357 pos += sr->isr_ssid_len;
6fc6879b 1358
a65f4a57
MH		 1359 /*
1360 * Deal all rates as supported rate.
1361 * Because net80211 doesn't report extended supported rate or not.
1362 */
1363 *pos++ = WLAN_EID_SUPP_RATES;
1364 *pos++ = sr->isr_nrates;
1365 os_memcpy(pos, sr->isr_rates, sr->isr_nrates);
1366 pos += sr->isr_nrates;
6fc6879b 1367
a65f4a57
MH		 1368 *pos++ = WLAN_EID_ERP_INFO;
1369 *pos++ = 1;
1370 *pos++ = sr->isr_erp;
6fc6879b 1371
a65f4a57
MH		 1372 os_memcpy(pos, (u8 *)(sr + 1) + sr->isr_ssid_len, sr->isr_ie_len);
1373 pos += sr->isr_ie_len;
6fc6879b 1374
a65f4a57
MH		 1375 result->ie_len = pos - (u8 *)(result + 1);
1376
1377 tmp = os_realloc(res->res,
1378 (res->num + 1) * sizeof(struct wpa_scan_res *));
1379 if (tmp == NULL) {
1380 os_free(result);
1381 return;
1382 }
1383 tmp[res->num++] = result;
1384 res->res = tmp;
6fc6879b
JM		 1385}
1386
a65f4a57
MH		 1387struct wpa_scan_results *
1388wpa_driver_bsd_get_scan_results2(void *priv)
6fc6879b 1389{
6fc6879b 1390 struct wpa_driver_bsd_data *drv = priv;
6fc6879b 1391 struct ieee80211req_scan_result *sr;
a65f4a57
MH		 1392 struct wpa_scan_results *res;
1393 int len, rest;
1394 uint8_t buf[24*1024], *pos;
6fc6879b 1395
a65f4a57 1396 len = get80211var(drv, IEEE80211_IOC_SCAN_RESULTS, buf, 24*1024);
6fc6879b 1397 if (len < 0)
a65f4a57
MH		 1398 return NULL;
1399
1400 res = os_zalloc(sizeof(*res));
1401 if (res == NULL)
1402 return NULL;
6fc6879b 1403
a65f4a57
MH		 1404 pos = buf;
1405 rest = len;
1406 while (rest >= sizeof(struct ieee80211req_scan_result)) {
1407 sr = (struct ieee80211req_scan_result *)pos;
1408 wpa_driver_bsd_add_scan_entry(res, sr);
1409 pos += sr->isr_len;
1410 rest -= sr->isr_len;
6fc6879b 1411 }
6fc6879b 1412
a65f4a57
MH		 1413 wpa_printf(MSG_DEBUG, "Received %d bytes of scan results (%lu BSSes)",
1414 len, (unsigned long)res->num);
6fc6879b 1415
a65f4a57 1416 return res;
6fc6879b
JM		 1417}
1418
1419static void *
1420wpa_driver_bsd_init(void *ctx, const char *ifname)
1421{
1422#define GETPARAM(drv, param, v) \
1423 (((v) = get80211param(drv, param)) != -1)
1424 struct wpa_driver_bsd_data *drv;
1425
1426 drv = os_zalloc(sizeof(*drv));
1427 if (drv == NULL)
1428 return NULL;
1429 /*
1430 * NB: We require the interface name be mappable to an index.
1431 * This implies we do not support having wpa_supplicant
1432 * wait for an interface to appear. This seems ok; that
1433 * doesn't belong here; it's really the job of devd.
1434 */
1435 drv->ifindex = if_nametoindex(ifname);
1436 if (drv->ifindex == 0) {
1437 wpa_printf(MSG_DEBUG, "%s: interface %s does not exist",
1438 __func__, ifname);
1439 goto fail1;
1440 }
1441 drv->sock = socket(PF_INET, SOCK_DGRAM, 0);
1442 if (drv->sock < 0)
1443 goto fail1;
1444 drv->route = socket(PF_ROUTE, SOCK_RAW, 0);
1445 if (drv->route < 0)
1446 goto fail;
1447 eloop_register_read_sock(drv->route,
1448 wpa_driver_bsd_event_receive, ctx, drv);
1449
1450 drv->ctx = ctx;
1451 os_strlcpy(drv->ifname, ifname, sizeof(drv->ifname));
1452
1453 if (!GETPARAM(drv, IEEE80211_IOC_ROAMING, drv->prev_roaming)) {
1454 wpa_printf(MSG_DEBUG, "%s: failed to get roaming state: %s",
1455 __func__, strerror(errno));
1456 goto fail;
1457 }
1458 if (!GETPARAM(drv, IEEE80211_IOC_PRIVACY, drv->prev_privacy)) {
1459 wpa_printf(MSG_DEBUG, "%s: failed to get privacy state: %s",
1460 __func__, strerror(errno));
1461 goto fail;
1462 }
1463 if (!GETPARAM(drv, IEEE80211_IOC_WPA, drv->prev_wpa)) {
1464 wpa_printf(MSG_DEBUG, "%s: failed to get wpa state: %s",
1465 __func__, strerror(errno));
1466 goto fail;
1467 }
1468 if (set80211param(drv, IEEE80211_IOC_ROAMING, IEEE80211_ROAMING_MANUAL) < 0) {
1469 wpa_printf(MSG_DEBUG, "%s: failed to set wpa_supplicant-based "
1470 "roaming: %s", __func__, strerror(errno));
1471 goto fail;
1472 }
1473
1474 if (set80211param(drv, IEEE80211_IOC_WPA, 1+2) < 0) {
1475 wpa_printf(MSG_DEBUG, "%s: failed to enable WPA support %s",
1476 __func__, strerror(errno));
1477 goto fail;
1478 }
1479
4a867032
JM		 1480 wpa_driver_bsd_set_wpa(drv, 1);
1481
6fc6879b
JM		 1482 return drv;
1483fail:
1484 close(drv->sock);
1485fail1:
1486 os_free(drv);
1487 return NULL;
1488#undef GETPARAM
1489}
1490
1491static void
1492wpa_driver_bsd_deinit(void *priv)
1493{
1494 struct wpa_driver_bsd_data *drv = priv;
1495 int flags;
1496
4a867032 1497 wpa_driver_bsd_set_wpa(drv, 0);
6fc6879b
JM		 1498 eloop_unregister_read_sock(drv->route);
1499
1500 /* NB: mark interface down */
1501 if (getifflags(drv, &flags) == 0)
1502 (void) setifflags(drv, flags &~ IFF_UP);
1503
1504 wpa_driver_bsd_set_wpa_internal(drv, drv->prev_wpa, drv->prev_privacy);
1505 if (set80211param(drv, IEEE80211_IOC_ROAMING, drv->prev_roaming) < 0)
1506 wpa_printf(MSG_DEBUG, "%s: failed to restore roaming state",
1507 __func__);
1508
1509 (void) close(drv->route); /* ioctl socket */
1510 (void) close(drv->sock); /* event socket */
1511 os_free(drv);
1512}
1513
1514
1515const struct wpa_driver_ops wpa_driver_bsd_ops = {
1516 .name = "bsd",
66d4085f 1517 .desc = "BSD 802.11 support",
6fc6879b
JM		 1518 .init = wpa_driver_bsd_init,
1519 .deinit = wpa_driver_bsd_deinit,
1520 .get_bssid = wpa_driver_bsd_get_bssid,
1521 .get_ssid = wpa_driver_bsd_get_ssid,
6fc6879b
JM		 1522 .set_key = wpa_driver_bsd_set_key,
1523 .set_countermeasures = wpa_driver_bsd_set_countermeasures,
c2e8d0a0 1524 .scan2 = wpa_driver_bsd_scan,
a65f4a57 1525 .get_scan_results2 = wpa_driver_bsd_get_scan_results2,
6fc6879b
JM		 1526 .deauthenticate = wpa_driver_bsd_deauthenticate,
1527 .disassociate = wpa_driver_bsd_disassociate,
1528 .associate = wpa_driver_bsd_associate,
6fc6879b 1529};
c5121837
JM		 1530
1531#endif /* HOSTAPD */
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