2 * WPA Supplicant - driver interaction with BSD net80211 layer
3 * Copyright (c) 2004, Sam Leffler <sam@errno.com>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation.
9 * Alternatively, this software may be distributed under the terms of BSD
12 * See README and COPYING for more details.
14 * $FreeBSD: src/usr.sbin/wpa/wpa_supplicant/driver_freebsd.c,v 1.14 2007/06/11 03:57:46 sam Exp $
15 * $DragonFly: src/usr.sbin/802_11/wpa_supplicant/driver_dragonfly.c,v 1.3 2008/01/19 07:03:55 sephe Exp $
22 #include <sys/ioctl.h>
28 #include "l2_packet.h"
29 #include "ieee802_11_defs.h"
31 #include <sys/socket.h>
33 #include <net/ethernet.h>
35 #include <netproto/802_11/ieee80211.h>
36 #include <netproto/802_11/ieee80211_crypto.h>
37 #include <netproto/802_11/ieee80211_ioctl.h>
39 struct wpa_driver_bsd_data {
40 int sock; /* open socket for 802.11 ioctls */
41 int route; /* routing socket for events */
42 char ifname[IFNAMSIZ+1]; /* interface name */
43 unsigned int ifindex; /* interface index */
45 int prev_roaming; /* roaming state to restore on deinit */
46 int prev_privacy; /* privacy state to restore on deinit */
47 int prev_wpa; /* wpa state to restore on deinit */
51 set80211var(struct wpa_driver_bsd_data *drv, int op, const void *arg, int arg_len)
53 struct ieee80211req ireq;
55 memset(&ireq, 0, sizeof(ireq));
56 strncpy(ireq.i_name, drv->ifname, IFNAMSIZ);
59 ireq.i_data = (void *) arg;
61 if (ioctl(drv->sock, SIOCS80211, &ireq) < 0) {
62 fprintf(stderr, "ioctl[SIOCS80211, op %u, len %u]: %s\n",
63 op, arg_len, strerror(errno));
70 get80211var(struct wpa_driver_bsd_data *drv, int op, void *arg, int arg_len)
72 struct ieee80211req ireq;
74 memset(&ireq, 0, sizeof(ireq));
75 strncpy(ireq.i_name, drv->ifname, IFNAMSIZ);
80 if (ioctl(drv->sock, SIOCG80211, &ireq) < 0) {
81 fprintf(stderr, "ioctl[SIOCG80211, op %u, len %u]: %s\n",
82 op, arg_len, strerror(errno));
89 set80211param(struct wpa_driver_bsd_data *drv, int op, int arg)
91 struct ieee80211req ireq;
93 memset(&ireq, 0, sizeof(ireq));
94 strncpy(ireq.i_name, drv->ifname, IFNAMSIZ);
98 if (ioctl(drv->sock, SIOCS80211, &ireq) < 0) {
99 fprintf(stderr, "ioctl[SIOCS80211, op %u, arg 0x%x]: %s\n",
100 op, arg, strerror(errno));
107 get80211param(struct wpa_driver_bsd_data *drv, int op)
109 struct ieee80211req ireq;
111 memset(&ireq, 0, sizeof(ireq));
112 strncpy(ireq.i_name, drv->ifname, IFNAMSIZ);
115 if (ioctl(drv->sock, SIOCG80211, &ireq) < 0) {
116 fprintf(stderr, "ioctl[SIOCG80211, op %u]: %s\n",
117 op, strerror(errno));
124 getifflags(struct wpa_driver_bsd_data *drv, int *flags)
128 memset(&ifr, 0, sizeof(ifr));
129 strncpy(ifr.ifr_name, drv->ifname, sizeof (ifr.ifr_name));
130 if (ioctl(drv->sock, SIOCGIFFLAGS, (caddr_t)&ifr) < 0) {
131 perror("SIOCGIFFLAGS");
134 *flags = ifr.ifr_flags & 0xffff;
139 setifflags(struct wpa_driver_bsd_data *drv, int flags)
143 memset(&ifr, 0, sizeof(ifr));
144 strncpy(ifr.ifr_name, drv->ifname, sizeof (ifr.ifr_name));
145 ifr.ifr_flags = flags & 0xffff;
146 if (ioctl(drv->sock, SIOCSIFFLAGS, (caddr_t)&ifr) < 0) {
147 perror("SIOCSIFFLAGS");
154 wpa_driver_bsd_get_bssid(void *priv, u8 *bssid)
156 struct wpa_driver_bsd_data *drv = priv;
158 return get80211var(drv, IEEE80211_IOC_BSSID,
159 bssid, IEEE80211_ADDR_LEN) < 0 ? -1 : 0;
164 wpa_driver_bsd_set_bssid(void *priv, const char *bssid)
166 struct wpa_driver_bsd_data *drv = priv;
168 return set80211var(drv, IEEE80211_IOC_BSSID,
169 bssid, IEEE80211_ADDR_LEN);
174 wpa_driver_bsd_get_ssid(void *priv, u8 *ssid)
176 struct wpa_driver_bsd_data *drv = priv;
178 return get80211var(drv, IEEE80211_IOC_SSID,
179 ssid, IEEE80211_NWID_LEN);
183 wpa_driver_bsd_set_ssid(void *priv, const char *ssid,
186 struct wpa_driver_bsd_data *drv = priv;
188 return set80211var(drv, IEEE80211_IOC_SSID, ssid, ssid_len);
192 wpa_driver_bsd_set_wpa_ie(struct wpa_driver_bsd_data *drv,
193 const char *wpa_ie, size_t wpa_ie_len)
195 return set80211var(drv, IEEE80211_IOC_OPTIE, wpa_ie, wpa_ie_len);
199 wpa_driver_bsd_set_wpa_internal(void *priv, int wpa, int privacy)
201 struct wpa_driver_bsd_data *drv = priv;
204 wpa_printf(MSG_DEBUG, "%s: wpa=%d privacy=%d",
205 __FUNCTION__, wpa, privacy);
207 if (!wpa && wpa_driver_bsd_set_wpa_ie(drv, NULL, 0) < 0)
209 if (set80211param(drv, IEEE80211_IOC_PRIVACY, privacy) < 0)
211 if (set80211param(drv, IEEE80211_IOC_WPA, wpa) < 0)
218 wpa_driver_bsd_set_wpa(void *priv, int enabled)
220 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __FUNCTION__, enabled);
222 return wpa_driver_bsd_set_wpa_internal(priv, enabled ? 3 : 0, enabled);
226 wpa_driver_bsd_del_key(struct wpa_driver_bsd_data *drv, int key_idx,
227 const unsigned char *addr)
229 struct ieee80211req_del_key wk;
231 memset(&wk, 0, sizeof(wk));
233 bcmp(addr, "\xff\xff\xff\xff\xff\xff", IEEE80211_ADDR_LEN) != 0) {
234 struct ether_addr ea;
236 memcpy(&ea, addr, IEEE80211_ADDR_LEN);
237 wpa_printf(MSG_DEBUG, "%s: addr=%s keyidx=%d",
238 __func__, ether_ntoa(&ea), key_idx);
239 memcpy(wk.idk_macaddr, addr, IEEE80211_ADDR_LEN);
240 wk.idk_keyix = (uint8_t) IEEE80211_KEYIX_NONE;
242 wpa_printf(MSG_DEBUG, "%s: keyidx=%d", __func__, key_idx);
243 wk.idk_keyix = key_idx;
245 return set80211var(drv, IEEE80211_IOC_DELKEY, &wk, sizeof(wk));
249 wpa_driver_bsd_set_key(void *priv, wpa_alg alg,
250 const unsigned char *addr, int key_idx, int set_tx,
251 const u8 *seq, size_t seq_len,
252 const u8 *key, size_t key_len)
254 struct wpa_driver_bsd_data *drv = priv;
255 struct ieee80211req_key wk;
256 struct ether_addr ea;
260 if (alg == WPA_ALG_NONE)
261 return wpa_driver_bsd_del_key(drv, key_idx, addr);
266 cipher = IEEE80211_CIPHER_WEP;
270 cipher = IEEE80211_CIPHER_TKIP;
274 cipher = IEEE80211_CIPHER_AES_CCM;
277 wpa_printf(MSG_DEBUG, "%s: unknown/unsupported algorithm %d",
282 memcpy(&ea, addr, IEEE80211_ADDR_LEN);
283 wpa_printf(MSG_DEBUG,
284 "%s: alg=%s addr=%s key_idx=%d set_tx=%d seq_len=%zu key_len=%zu",
285 __func__, alg_name, ether_ntoa(&ea), key_idx, set_tx,
288 if (seq_len > sizeof(uint64_t)) {
289 wpa_printf(MSG_DEBUG, "%s: seq_len %zu too big",
293 if (key_len > sizeof(wk.ik_keydata)) {
294 wpa_printf(MSG_DEBUG, "%s: key length %zu too big",
299 memset(&wk, 0, sizeof(wk));
301 wk.ik_flags = IEEE80211_KEY_RECV;
303 wk.ik_flags |= IEEE80211_KEY_XMIT;
304 memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
306 * Deduce whether group/global or unicast key by checking
307 * the address (yech). Note also that we can only mark global
308 * keys default; doing this for a unicast key is an error.
310 if (bcmp(addr, "\xff\xff\xff\xff\xff\xff", IEEE80211_ADDR_LEN) == 0) {
311 wk.ik_flags |= IEEE80211_KEY_GROUP;
312 wk.ik_keyix = key_idx;
314 wk.ik_keyix = (key_idx == 0 ? IEEE80211_KEYIX_NONE : key_idx);
316 if (wk.ik_keyix != IEEE80211_KEYIX_NONE && set_tx)
317 wk.ik_flags |= IEEE80211_KEY_DEFAULT;
318 wk.ik_keylen = key_len;
319 memcpy(&wk.ik_keyrsc, seq, seq_len);
320 wk.ik_keyrsc = le64toh(wk.ik_keyrsc);
321 memcpy(wk.ik_keydata, key, key_len);
323 return set80211var(drv, IEEE80211_IOC_WPAKEY, &wk, sizeof(wk));
327 wpa_driver_bsd_set_countermeasures(void *priv, int enabled)
329 struct wpa_driver_bsd_data *drv = priv;
331 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled);
332 return set80211param(drv, IEEE80211_IOC_COUNTERMEASURES, enabled);
337 wpa_driver_bsd_set_drop_unencrypted(void *priv, int enabled)
339 struct wpa_driver_bsd_data *drv = priv;
341 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled);
342 return set80211param(drv, IEEE80211_IOC_DROPUNENCRYPTED, enabled);
346 wpa_driver_bsd_deauthenticate(void *priv, const u8 *addr, int reason_code)
348 struct wpa_driver_bsd_data *drv = priv;
349 struct ieee80211req_mlme mlme;
351 wpa_printf(MSG_DEBUG, "%s", __func__);
352 memset(&mlme, 0, sizeof(mlme));
353 mlme.im_op = IEEE80211_MLME_DEAUTH;
354 mlme.im_reason = reason_code;
355 memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
356 return set80211var(drv, IEEE80211_IOC_MLME, &mlme, sizeof(mlme));
360 wpa_driver_bsd_disassociate(void *priv, const u8 *addr, int reason_code)
362 struct wpa_driver_bsd_data *drv = priv;
363 struct ieee80211req_mlme mlme;
365 wpa_printf(MSG_DEBUG, "%s", __func__);
366 memset(&mlme, 0, sizeof(mlme));
367 mlme.im_op = IEEE80211_MLME_DISASSOC;
368 mlme.im_reason = reason_code;
369 memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
370 return set80211var(drv, IEEE80211_IOC_MLME, &mlme, sizeof(mlme));
374 wpa_driver_bsd_associate(void *priv, struct wpa_driver_associate_params *params)
376 struct wpa_driver_bsd_data *drv = priv;
377 struct ieee80211req_mlme mlme;
380 wpa_printf(MSG_DEBUG,
381 "%s: ssid '%.*s' wpa ie len %u pairwise %u group %u key mgmt %u"
383 , params->ssid_len, params->ssid
385 , params->pairwise_suite
386 , params->group_suite
387 , params->key_mgmt_suite
390 /* XXX error handling is wrong but unclear what to do... */
391 if (wpa_driver_bsd_set_wpa_ie(drv, params->wpa_ie, params->wpa_ie_len) < 0)
394 privacy = !(params->pairwise_suite == CIPHER_NONE &&
395 params->group_suite == CIPHER_NONE &&
396 params->key_mgmt_suite == KEY_MGMT_NONE &&
397 params->wpa_ie_len == 0);
398 wpa_printf(MSG_DEBUG, "%s: set PRIVACY %u", __func__, privacy);
400 if (set80211param(drv, IEEE80211_IOC_PRIVACY, privacy) < 0)
403 if (params->wpa_ie_len &&
404 set80211param(drv, IEEE80211_IOC_WPA,
405 params->wpa_ie[0] == WLAN_EID_RSN ? 2 : 1) < 0)
408 memset(&mlme, 0, sizeof(mlme));
409 mlme.im_op = IEEE80211_MLME_ASSOC;
410 if (params->ssid != NULL)
411 memcpy(mlme.im_ssid, params->ssid, params->ssid_len);
412 mlme.im_ssid_len = params->ssid_len;
413 if (params->bssid != NULL)
414 memcpy(mlme.im_macaddr, params->bssid, IEEE80211_ADDR_LEN);
415 if (set80211var(drv, IEEE80211_IOC_MLME, &mlme, sizeof(mlme)) < 0)
421 wpa_driver_bsd_set_auth_alg(void *priv, int auth_alg)
423 struct wpa_driver_bsd_data *drv = priv;
426 if ((auth_alg & AUTH_ALG_OPEN_SYSTEM) &&
427 (auth_alg & AUTH_ALG_SHARED_KEY))
428 authmode = IEEE80211_AUTH_AUTO;
429 else if (auth_alg & AUTH_ALG_SHARED_KEY)
430 authmode = IEEE80211_AUTH_SHARED;
432 authmode = IEEE80211_AUTH_OPEN;
434 wpa_printf(MSG_DEBUG, "%s alg 0x%x authmode %u",
435 __func__, auth_alg, authmode);
437 return set80211param(drv, IEEE80211_IOC_AUTHMODE, authmode);
441 wpa_driver_bsd_scan(void *priv, const u8 *ssid, size_t ssid_len)
443 struct wpa_driver_bsd_data *drv = priv;
446 /* NB: interface must be marked UP to do a scan */
447 if (getifflags(drv, &flags) != 0 || setifflags(drv, flags | IFF_UP) != 0)
450 /* set desired ssid before scan */
451 if (wpa_driver_bsd_set_ssid(drv, ssid, ssid_len) < 0)
454 /* NB: net80211 delivers a scan complete event so no need to poll */
455 return set80211param(drv, IEEE80211_IOC_SCAN_REQ, 0);
458 #include <net/route.h>
459 #include <netproto/802_11/ieee80211_dragonfly.h>
462 wpa_driver_bsd_event_receive(int sock, void *ctx, void *sock_ctx)
464 struct wpa_driver_bsd_data *drv = sock_ctx;
466 struct if_announcemsghdr *ifan;
467 struct if_msghdr *ifm;
468 struct rt_msghdr *rtm;
469 union wpa_event_data event;
470 struct ieee80211_michael_event *mic;
473 n = read(sock, buf, sizeof(buf));
475 if (errno != EINTR && errno != EAGAIN)
476 perror("read(PF_ROUTE)");
480 rtm = (struct rt_msghdr *) buf;
481 if (rtm->rtm_version != RTM_VERSION) {
482 wpa_printf(MSG_DEBUG, "Routing message version %d not "
483 "understood\n", rtm->rtm_version);
486 memset(&event, 0, sizeof(event));
487 switch (rtm->rtm_type) {
489 ifan = (struct if_announcemsghdr *) rtm;
490 if (ifan->ifan_index != drv->ifindex)
492 strlcpy(event.interface_status.ifname, drv->ifname,
493 sizeof(event.interface_status.ifname));
494 switch (ifan->ifan_what) {
496 event.interface_status.ievent = EVENT_INTERFACE_REMOVED;
500 wpa_printf(MSG_DEBUG, "RTM_IFANNOUNCE: Interface '%s' %s",
501 event.interface_status.ifname,
502 ifan->ifan_what == IFAN_DEPARTURE ?
503 "removed" : "added");
504 wpa_supplicant_event(ctx, EVENT_INTERFACE_STATUS, &event);
507 ifan = (struct if_announcemsghdr *) rtm;
508 if (ifan->ifan_index != drv->ifindex)
510 switch (ifan->ifan_what) {
511 case RTM_IEEE80211_ASSOC:
512 case RTM_IEEE80211_REASSOC:
513 wpa_supplicant_event(ctx, EVENT_ASSOC, NULL);
515 case RTM_IEEE80211_DISASSOC:
516 wpa_supplicant_event(ctx, EVENT_DISASSOC, NULL);
518 case RTM_IEEE80211_SCAN:
519 wpa_supplicant_event(ctx, EVENT_SCAN_RESULTS, NULL);
521 case RTM_IEEE80211_REPLAY:
524 case RTM_IEEE80211_MICHAEL:
525 mic = (struct ieee80211_michael_event *) &ifan[1];
526 wpa_printf(MSG_DEBUG,
527 "Michael MIC failure wireless event: "
528 "keyix=%u src_addr=" MACSTR, mic->iev_keyix,
529 MAC2STR(mic->iev_src));
531 memset(&event, 0, sizeof(event));
532 event.michael_mic_failure.unicast =
533 !IEEE80211_IS_MULTICAST(mic->iev_dst);
534 wpa_supplicant_event(ctx, EVENT_MICHAEL_MIC_FAILURE,
540 ifm = (struct if_msghdr *) rtm;
541 if (ifm->ifm_index != drv->ifindex)
543 if ((rtm->rtm_flags & RTF_UP) == 0) {
544 strlcpy(event.interface_status.ifname, drv->ifname,
545 sizeof(event.interface_status.ifname));
546 event.interface_status.ievent = EVENT_INTERFACE_REMOVED;
547 wpa_printf(MSG_DEBUG, "RTM_IFINFO: Interface '%s' DOWN",
548 event.interface_status.ifname);
549 wpa_supplicant_event(ctx, EVENT_INTERFACE_STATUS, &event);
555 /* Compare function for sorting scan results. Return >0 if @b is consider
558 wpa_scan_result_compar(const void *a, const void *b)
560 const struct wpa_scan_result *wa = a;
561 const struct wpa_scan_result *wb = b;
563 /* WPA/WPA2 support preferred */
564 if ((wb->wpa_ie_len || wb->rsn_ie_len) &&
565 !(wa->wpa_ie_len || wa->rsn_ie_len))
567 if (!(wb->wpa_ie_len || wb->rsn_ie_len) &&
568 (wa->wpa_ie_len || wa->rsn_ie_len))
571 /* privacy support preferred */
572 if ((wa->caps & IEEE80211_CAPINFO_PRIVACY) &&
573 (wb->caps & IEEE80211_CAPINFO_PRIVACY) == 0)
575 if ((wa->caps & IEEE80211_CAPINFO_PRIVACY) == 0 &&
576 (wb->caps & IEEE80211_CAPINFO_PRIVACY))
579 /* best/max rate preferred if signal level close enough XXX */
580 if (wa->maxrate != wb->maxrate && abs(wb->level - wa->level) < 5)
581 return wb->maxrate - wa->maxrate;
583 /* use freq for channel preference */
585 /* all things being equal, use signal level */
586 return wb->level - wa->level;
590 getmaxrate(const uint8_t rates[15], uint8_t nrates)
594 for (i = 0; i < nrates; i++) {
595 int rate = rates[i] & IEEE80211_RATE_VAL;
602 /* unalligned little endian access */
603 #define LE_READ_4(p) \
605 ((((const uint8_t *)(p))[0] ) | \
606 (((const uint8_t *)(p))[1] << 8) | \
607 (((const uint8_t *)(p))[2] << 16) | \
608 (((const uint8_t *)(p))[3] << 24)))
611 iswpaoui(const uint8_t *frm)
613 return frm[1] > 3 && LE_READ_4(frm+2) == ((WPA_OUI_TYPE<<24)|WPA_OUI);
617 wpa_driver_bsd_get_scan_results(void *priv,
618 struct wpa_scan_result *results,
621 #define min(a,b) ((a)>(b)?(b):(a))
622 struct wpa_driver_bsd_data *drv = priv;
623 uint8_t buf[24*1024];
624 const uint8_t *cp, *vp;
625 const struct ieee80211req_scan_result *sr;
626 struct wpa_scan_result *wsr;
629 memset(results, 0, max_size * sizeof(struct wpa_scan_result));
631 len = get80211var(drv, IEEE80211_IOC_SCAN_RESULTS, buf, sizeof(buf));
636 while (len >= sizeof(struct ieee80211req_scan_result)) {
637 sr = (const struct ieee80211req_scan_result *) cp;
638 memcpy(wsr->bssid, sr->isr_bssid, IEEE80211_ADDR_LEN);
639 wsr->ssid_len = sr->isr_ssid_len;
640 wsr->freq = sr->isr_freq;
641 wsr->noise = sr->isr_noise;
642 wsr->qual = sr->isr_rssi;
643 wsr->level = 0; /* XXX? */
644 wsr->caps = sr->isr_capinfo2;
645 wsr->maxrate = getmaxrate(sr->isr_rates, sr->isr_nrates);
646 vp = (uint8_t *)(sr+1);
647 memcpy(wsr->ssid, vp, sr->isr_ssid_len);
648 if (sr->isr_ie_len > 0) {
649 vp += sr->isr_ssid_len;
650 ielen = sr->isr_ie_len;
653 case IEEE80211_ELEMID_VENDOR:
657 min(2+vp[1], SSID_MAX_WPA_IE_LEN);
658 memcpy(wsr->wpa_ie, vp, wsr->wpa_ie_len);
660 case IEEE80211_ELEMID_RSN:
662 min(2+vp[1], SSID_MAX_WPA_IE_LEN);
663 memcpy(wsr->rsn_ie, vp, wsr->rsn_ie_len);
671 cp += sr->isr_len, len -= sr->isr_len;
674 qsort(results, wsr - results, sizeof(struct wpa_scan_result),
675 wpa_scan_result_compar);
677 wpa_printf(MSG_DEBUG, "Received %d bytes of scan results (%d BSSes)",
680 return wsr - results;
685 wpa_driver_bsd_init(void *ctx, const char *ifname)
687 #define GETPARAM(drv, param, v) \
688 (((v) = get80211param(drv, param)) != -1)
689 struct wpa_driver_bsd_data *drv;
691 drv = malloc(sizeof(*drv));
694 memset(drv, 0, sizeof(*drv));
696 * NB: We require the interface name be mappable to an index.
697 * This implies we do not support having wpa_supplicant
698 * wait for an interface to appear. This seems ok; that
699 * doesn't belong here; it's really the job of devd.
701 drv->ifindex = if_nametoindex(ifname);
702 if (drv->ifindex == 0) {
703 wpa_printf(MSG_DEBUG, "%s: interface %s does not exist",
707 drv->sock = socket(PF_INET, SOCK_DGRAM, 0);
710 drv->route = socket(PF_ROUTE, SOCK_RAW, 0);
713 eloop_register_read_sock(drv->route,
714 wpa_driver_bsd_event_receive, ctx, drv);
717 strncpy(drv->ifname, ifname, sizeof(drv->ifname));
719 if (!GETPARAM(drv, IEEE80211_IOC_ROAMING, drv->prev_roaming)) {
720 wpa_printf(MSG_DEBUG, "%s: failed to get roaming state: %s",
721 __func__, strerror(errno));
724 if (!GETPARAM(drv, IEEE80211_IOC_PRIVACY, drv->prev_privacy)) {
725 wpa_printf(MSG_DEBUG, "%s: failed to get privacy state: %s",
726 __func__, strerror(errno));
729 if (!GETPARAM(drv, IEEE80211_IOC_WPA, drv->prev_wpa)) {
730 wpa_printf(MSG_DEBUG, "%s: failed to get wpa state: %s",
731 __func__, strerror(errno));
734 if (set80211param(drv, IEEE80211_IOC_ROAMING, IEEE80211_ROAMING_MANUAL) < 0) {
735 wpa_printf(MSG_DEBUG, "%s: failed to set wpa_supplicant-based "
736 "roaming: %s", __func__, strerror(errno));
740 if (set80211param(drv, IEEE80211_IOC_WPA, 1+2) < 0) {
741 wpa_printf(MSG_DEBUG, "%s: failed to enable WPA support %s",
742 __func__, strerror(errno));
756 wpa_driver_bsd_deinit(void *priv)
758 struct wpa_driver_bsd_data *drv = priv;
761 /* NB: mark interface down */
762 if (getifflags(drv, &flags) == 0)
763 (void) setifflags(drv, flags &~ IFF_UP);
765 wpa_driver_bsd_set_wpa_internal(drv, drv->prev_wpa, drv->prev_privacy);
766 if (set80211param(drv, IEEE80211_IOC_ROAMING, drv->prev_roaming) < 0)
767 wpa_printf(MSG_DEBUG, "%s: failed to restore roaming state",
770 (void) close(drv->route); /* ioctl socket */
771 (void) close(drv->sock); /* event socket */
776 struct wpa_driver_ops wpa_driver_bsd_ops = {
778 .desc = "BSD 802.11 support (Atheros, etc.)",
779 .init = wpa_driver_bsd_init,
780 .deinit = wpa_driver_bsd_deinit,
781 .get_bssid = wpa_driver_bsd_get_bssid,
782 .get_ssid = wpa_driver_bsd_get_ssid,
783 .set_wpa = wpa_driver_bsd_set_wpa,
784 .set_key = wpa_driver_bsd_set_key,
785 .set_countermeasures = wpa_driver_bsd_set_countermeasures,
786 .set_drop_unencrypted = wpa_driver_bsd_set_drop_unencrypted,
787 .scan = wpa_driver_bsd_scan,
788 .get_scan_results = wpa_driver_bsd_get_scan_results,
789 .deauthenticate = wpa_driver_bsd_deauthenticate,
790 .disassociate = wpa_driver_bsd_disassociate,
791 .associate = wpa_driver_bsd_associate,
792 .set_auth_alg = wpa_driver_bsd_set_auth_alg,