2 * WPA Supplicant - driver interaction with BSD net80211 layer
3 * Copyright (c) 2004, Sam Leffler <sam@errno.com>
4 * Copyright (c) 2004, 2Wire, Inc
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.
10 * Alternatively, this software may be distributed under the terms of BSD
13 * See README and COPYING for more details.
17 #include <sys/ioctl.h>
22 #include "ieee802_11_defs.h"
27 #include <net/if_ether.h>
28 #define COMPAT_FREEBSD_NET80211
30 #include <net/ethernet.h>
32 #include <net/route.h>
34 #include <net80211/ieee80211.h>
35 #include <net80211/ieee80211_crypto.h>
36 #include <net80211/ieee80211_ioctl.h>
38 #include <net80211/ieee80211_freebsd.h>
41 #include <net80211/ieee80211_netbsd.h>
47 * Avoid conflicts with hostapd definitions by undefining couple of defines
48 * from net80211 header files.
54 #include "l2_packet/l2_packet.h"
55 #include "../../hostapd/hostapd.h"
56 #include "../../hostapd/config.h"
57 #include "../../hostapd/eapol_sm.h"
58 #include "../../hostapd/sta_flags.h"
60 struct bsd_driver_data {
61 struct hostapd_data *hapd; /* back pointer */
63 char iface[IFNAMSIZ + 1];
64 struct l2_packet_data *sock_xmit; /* raw packet xmit socket */
65 int ioctl_sock; /* socket for ioctl() use */
66 int wext_sock; /* socket for wireless events */
69 static int bsd_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
73 set80211var(struct bsd_driver_data *drv, int op, const void *arg, int arg_len)
75 struct ieee80211req ireq;
77 memset(&ireq, 0, sizeof(ireq));
78 os_strlcpy(ireq.i_name, drv->iface, IFNAMSIZ);
81 ireq.i_data = (void *) arg;
83 if (ioctl(drv->ioctl_sock, SIOCS80211, &ireq) < 0) {
84 perror("ioctl[SIOCS80211]");
91 get80211var(struct bsd_driver_data *drv, int op, void *arg, int arg_len)
93 struct ieee80211req ireq;
95 memset(&ireq, 0, sizeof(ireq));
96 os_strlcpy(ireq.i_name, drv->iface, IFNAMSIZ);
101 if (ioctl(drv->ioctl_sock, SIOCG80211, &ireq) < 0) {
102 perror("ioctl[SIOCG80211]");
109 set80211param(struct bsd_driver_data *drv, int op, int arg)
111 struct ieee80211req ireq;
113 memset(&ireq, 0, sizeof(ireq));
114 os_strlcpy(ireq.i_name, drv->iface, IFNAMSIZ);
118 if (ioctl(drv->ioctl_sock, SIOCS80211, &ireq) < 0) {
119 perror("ioctl[SIOCS80211]");
126 ether_sprintf(const u8 *addr)
128 static char buf[sizeof(MACSTR)];
131 snprintf(buf, sizeof(buf), MACSTR, MAC2STR(addr));
133 snprintf(buf, sizeof(buf), MACSTR, 0,0,0,0,0,0);
138 * Configure WPA parameters.
141 bsd_configure_wpa(struct bsd_driver_data *drv)
143 static const char *ciphernames[] =
144 { "WEP", "TKIP", "AES-OCB", "AES-CCM", "CKIP", "NONE" };
145 struct hostapd_data *hapd = drv->hapd;
146 struct hostapd_bss_config *conf = hapd->conf;
149 switch (conf->wpa_group) {
150 case WPA_CIPHER_CCMP:
151 v = IEEE80211_CIPHER_AES_CCM;
153 case WPA_CIPHER_TKIP:
154 v = IEEE80211_CIPHER_TKIP;
156 case WPA_CIPHER_WEP104:
157 v = IEEE80211_CIPHER_WEP;
159 case WPA_CIPHER_WEP40:
160 v = IEEE80211_CIPHER_WEP;
162 case WPA_CIPHER_NONE:
163 v = IEEE80211_CIPHER_NONE;
166 printf("Unknown group key cipher %u\n",
170 wpa_printf(MSG_DEBUG, "%s: group key cipher=%s (%u)",
171 __func__, ciphernames[v], v);
172 if (set80211param(drv, IEEE80211_IOC_MCASTCIPHER, v)) {
173 printf("Unable to set group key cipher to %u (%s)\n",
177 if (v == IEEE80211_CIPHER_WEP) {
178 /* key length is done only for specific ciphers */
179 v = (conf->wpa_group == WPA_CIPHER_WEP104 ? 13 : 5);
180 if (set80211param(drv, IEEE80211_IOC_MCASTKEYLEN, v)) {
181 printf("Unable to set group key length to %u\n", v);
187 if (conf->wpa_pairwise & WPA_CIPHER_CCMP)
188 v |= 1<<IEEE80211_CIPHER_AES_CCM;
189 if (conf->wpa_pairwise & WPA_CIPHER_TKIP)
190 v |= 1<<IEEE80211_CIPHER_TKIP;
191 if (conf->wpa_pairwise & WPA_CIPHER_NONE)
192 v |= 1<<IEEE80211_CIPHER_NONE;
193 wpa_printf(MSG_DEBUG, "%s: pairwise key ciphers=0x%x", __func__, v);
194 if (set80211param(drv, IEEE80211_IOC_UCASTCIPHERS, v)) {
195 printf("Unable to set pairwise key ciphers to 0x%x\n", v);
199 wpa_printf(MSG_DEBUG, "%s: key management algorithms=0x%x",
200 __func__, conf->wpa_key_mgmt);
201 if (set80211param(drv, IEEE80211_IOC_KEYMGTALGS, conf->wpa_key_mgmt)) {
202 printf("Unable to set key management algorithms to 0x%x\n",
208 if (conf->rsn_preauth)
210 wpa_printf(MSG_DEBUG, "%s: rsn capabilities=0x%x",
211 __func__, conf->rsn_preauth);
212 if (set80211param(drv, IEEE80211_IOC_RSNCAPS, v)) {
213 printf("Unable to set RSN capabilities to 0x%x\n", v);
217 wpa_printf(MSG_DEBUG, "%s: enable WPA= 0x%x", __func__, conf->wpa);
218 if (set80211param(drv, IEEE80211_IOC_WPA, conf->wpa)) {
219 printf("Unable to set WPA to %u\n", conf->wpa);
227 bsd_set_iface_flags(void *priv, int dev_up)
229 struct bsd_driver_data *drv = priv;
232 wpa_printf(MSG_DEBUG, "%s: dev_up=%d", __func__, dev_up);
234 if (drv->ioctl_sock < 0)
237 memset(&ifr, 0, sizeof(ifr));
238 os_strlcpy(ifr.ifr_name, drv->iface, IFNAMSIZ);
240 if (ioctl(drv->ioctl_sock, SIOCGIFFLAGS, &ifr) != 0) {
241 perror("ioctl[SIOCGIFFLAGS]");
246 ifr.ifr_flags |= IFF_UP;
248 ifr.ifr_flags &= ~IFF_UP;
250 if (ioctl(drv->ioctl_sock, SIOCSIFFLAGS, &ifr) != 0) {
251 perror("ioctl[SIOCSIFFLAGS]");
256 memset(&ifr, 0, sizeof(ifr));
257 os_strlcpy(ifr.ifr_name, drv->iface, IFNAMSIZ);
258 ifr.ifr_mtu = HOSTAPD_MTU;
259 if (ioctl(drv->ioctl_sock, SIOCSIFMTU, &ifr) != 0) {
260 perror("ioctl[SIOCSIFMTU]");
261 printf("Setting MTU failed - trying to survive with "
270 bsd_set_ieee8021x(const char *ifname, void *priv, int enabled)
272 struct bsd_driver_data *drv = priv;
273 struct hostapd_data *hapd = drv->hapd;
274 struct hostapd_bss_config *conf = hapd->conf;
276 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled);
279 /* XXX restore state */
280 return set80211param(priv, IEEE80211_IOC_AUTHMODE,
281 IEEE80211_AUTH_AUTO);
283 if (!conf->wpa && !conf->ieee802_1x) {
284 hostapd_logger(hapd, NULL, HOSTAPD_MODULE_DRIVER,
285 HOSTAPD_LEVEL_WARNING, "No 802.1X or WPA enabled!");
288 if (conf->wpa && bsd_configure_wpa(drv) != 0) {
289 hostapd_logger(hapd, NULL, HOSTAPD_MODULE_DRIVER,
290 HOSTAPD_LEVEL_WARNING, "Error configuring WPA state!");
293 if (set80211param(priv, IEEE80211_IOC_AUTHMODE,
294 (conf->wpa ? IEEE80211_AUTH_WPA : IEEE80211_AUTH_8021X))) {
295 hostapd_logger(hapd, NULL, HOSTAPD_MODULE_DRIVER,
296 HOSTAPD_LEVEL_WARNING, "Error enabling WPA/802.1X!");
299 return bsd_set_iface_flags(priv, 1);
303 bsd_set_privacy(const char *ifname, void *priv, int enabled)
305 struct bsd_driver_data *drv = priv;
307 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled);
309 return set80211param(drv, IEEE80211_IOC_PRIVACY, enabled);
313 bsd_set_sta_authorized(void *priv, const u8 *addr, int authorized)
315 struct bsd_driver_data *drv = priv;
316 struct ieee80211req_mlme mlme;
318 wpa_printf(MSG_DEBUG, "%s: addr=%s authorized=%d",
319 __func__, ether_sprintf(addr), authorized);
322 mlme.im_op = IEEE80211_MLME_AUTHORIZE;
324 mlme.im_op = IEEE80211_MLME_UNAUTHORIZE;
326 memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
327 return set80211var(drv, IEEE80211_IOC_MLME, &mlme, sizeof(mlme));
331 bsd_sta_set_flags(void *priv, const u8 *addr, int total_flags, int flags_or,
334 /* For now, only support setting Authorized flag */
335 if (flags_or & WLAN_STA_AUTHORIZED)
336 return bsd_set_sta_authorized(priv, addr, 1);
337 if (!(flags_and & WLAN_STA_AUTHORIZED))
338 return bsd_set_sta_authorized(priv, addr, 0);
343 bsd_del_key(void *priv, const u8 *addr, int key_idx)
345 struct bsd_driver_data *drv = priv;
346 struct ieee80211req_del_key wk;
348 wpa_printf(MSG_DEBUG, "%s: addr=%s key_idx=%d",
349 __func__, ether_sprintf(addr), key_idx);
351 memset(&wk, 0, sizeof(wk));
353 memcpy(wk.idk_macaddr, addr, IEEE80211_ADDR_LEN);
354 wk.idk_keyix = (u_int8_t) IEEE80211_KEYIX_NONE; /* XXX */
356 wk.idk_keyix = key_idx;
359 return set80211var(drv, IEEE80211_IOC_DELKEY, &wk, sizeof(wk));
363 bsd_set_key(const char *ifname, void *priv, wpa_alg alg,
364 const u8 *addr, int key_idx, int set_tx, const u8 *seq,
365 size_t seq_len, const u8 *key, size_t key_len)
367 struct bsd_driver_data *drv = priv;
368 struct ieee80211req_key wk;
371 if (alg == WPA_ALG_NONE)
372 return bsd_del_key(drv, addr, key_idx);
374 wpa_printf(MSG_DEBUG, "%s: alg=%d addr=%s key_idx=%d",
375 __func__, alg, ether_sprintf(addr), key_idx);
377 if (alg == WPA_ALG_WEP)
378 cipher = IEEE80211_CIPHER_WEP;
379 else if (alg == WPA_ALG_TKIP)
380 cipher = IEEE80211_CIPHER_TKIP;
381 else if (alg == WPA_ALG_CCMP)
382 cipher = IEEE80211_CIPHER_AES_CCM;
384 printf("%s: unknown/unsupported algorithm %d\n",
389 if (key_len > sizeof(wk.ik_keydata)) {
390 printf("%s: key length %d too big\n", __func__, key_len);
394 memset(&wk, 0, sizeof(wk));
396 wk.ik_flags = IEEE80211_KEY_RECV | IEEE80211_KEY_XMIT;
398 memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN);
399 wk.ik_keyix = key_idx;
400 wk.ik_flags |= IEEE80211_KEY_DEFAULT;
402 memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
403 wk.ik_keyix = IEEE80211_KEYIX_NONE;
405 wk.ik_keylen = key_len;
406 memcpy(wk.ik_keydata, key, key_len);
408 return set80211var(drv, IEEE80211_IOC_WPAKEY, &wk, sizeof(wk));
413 bsd_get_seqnum(const char *ifname, void *priv, const u8 *addr, int idx,
416 struct bsd_driver_data *drv = priv;
417 struct ieee80211req_key wk;
419 wpa_printf(MSG_DEBUG, "%s: addr=%s idx=%d",
420 __func__, ether_sprintf(addr), idx);
422 memset(&wk, 0, sizeof(wk));
424 memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN);
426 memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
429 if (get80211var(drv, IEEE80211_IOC_WPAKEY, &wk, sizeof(wk)) < 0) {
430 printf("Failed to get encryption.\n");
434 #ifdef WORDS_BIGENDIAN
437 * wk.ik_keytsc is in host byte order (big endian), need to
438 * swap it to match with the byte order used in WPA.
441 u8 tmp[WPA_KEY_RSC_LEN];
442 memcpy(tmp, &wk.ik_keytsc, sizeof(wk.ik_keytsc));
443 for (i = 0; i < WPA_KEY_RSC_LEN; i++) {
444 seq[i] = tmp[WPA_KEY_RSC_LEN - i - 1];
447 #else /* WORDS_BIGENDIAN */
448 memcpy(seq, &wk.ik_keytsc, sizeof(wk.ik_keytsc));
449 #endif /* WORDS_BIGENDIAN */
455 bsd_flush(void *priv)
457 u8 allsta[IEEE80211_ADDR_LEN];
459 memset(allsta, 0xff, IEEE80211_ADDR_LEN);
460 return bsd_sta_deauth(priv, NULL, allsta, IEEE80211_REASON_AUTH_LEAVE);
465 bsd_read_sta_driver_data(void *priv, struct hostap_sta_driver_data *data,
468 struct bsd_driver_data *drv = priv;
469 struct ieee80211req_sta_stats stats;
471 memcpy(stats.is_u.macaddr, addr, IEEE80211_ADDR_LEN);
472 if (get80211var(drv, IEEE80211_IOC_STA_STATS, &stats, sizeof(stats)) > 0) {
473 /* XXX? do packets counts include non-data frames? */
474 data->rx_packets = stats.is_stats.ns_rx_data;
475 data->rx_bytes = stats.is_stats.ns_rx_bytes;
476 data->tx_packets = stats.is_stats.ns_tx_data;
477 data->tx_bytes = stats.is_stats.ns_tx_bytes;
483 bsd_set_opt_ie(const char *ifname, void *priv, const u8 *ie, size_t ie_len)
486 * Do nothing; we setup parameters at startup that define the
487 * contents of the beacon information element.
493 bsd_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr, int reason_code)
495 struct bsd_driver_data *drv = priv;
496 struct ieee80211req_mlme mlme;
498 wpa_printf(MSG_DEBUG, "%s: addr=%s reason_code=%d",
499 __func__, ether_sprintf(addr), reason_code);
501 mlme.im_op = IEEE80211_MLME_DEAUTH;
502 mlme.im_reason = reason_code;
503 memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
504 return set80211var(drv, IEEE80211_IOC_MLME, &mlme, sizeof(mlme));
508 bsd_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
511 struct bsd_driver_data *drv = priv;
512 struct ieee80211req_mlme mlme;
514 wpa_printf(MSG_DEBUG, "%s: addr=%s reason_code=%d",
515 __func__, ether_sprintf(addr), reason_code);
517 mlme.im_op = IEEE80211_MLME_DISASSOC;
518 mlme.im_reason = reason_code;
519 memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
520 return set80211var(drv, IEEE80211_IOC_MLME, &mlme, sizeof(mlme));
524 bsd_new_sta(struct bsd_driver_data *drv, u8 addr[IEEE80211_ADDR_LEN])
526 struct hostapd_data *hapd = drv->hapd;
527 struct ieee80211req_wpaie ie;
532 * Fetch and validate any negotiated WPA/RSN parameters.
534 memset(&ie, 0, sizeof(ie));
535 memcpy(ie.wpa_macaddr, addr, IEEE80211_ADDR_LEN);
536 if (get80211var(drv, IEEE80211_IOC_WPAIE, &ie, sizeof(ie)) < 0) {
537 printf("Failed to get WPA/RSN information element.\n");
541 ielen = ie.wpa_ie[1];
548 return hostapd_notif_assoc(hapd, addr, iebuf, ielen);
552 bsd_wireless_event_receive(int sock, void *ctx, void *sock_ctx)
554 struct bsd_driver_data *drv = ctx;
555 struct hostapd_data *hapd = drv->hapd;
557 struct if_announcemsghdr *ifan;
558 struct rt_msghdr *rtm;
559 struct ieee80211_michael_event *mic;
560 struct ieee80211_join_event *join;
561 struct ieee80211_leave_event *leave;
564 n = read(sock, buf, sizeof(buf));
566 if (errno != EINTR && errno != EAGAIN)
567 perror("read(PF_ROUTE)");
571 rtm = (struct rt_msghdr *) buf;
572 if (rtm->rtm_version != RTM_VERSION) {
573 wpa_printf(MSG_DEBUG, "Routing message version %d not "
574 "understood\n", rtm->rtm_version);
577 ifan = (struct if_announcemsghdr *) rtm;
578 switch (rtm->rtm_type) {
580 switch (ifan->ifan_what) {
581 case RTM_IEEE80211_ASSOC:
582 case RTM_IEEE80211_REASSOC:
583 case RTM_IEEE80211_DISASSOC:
584 case RTM_IEEE80211_SCAN:
586 case RTM_IEEE80211_LEAVE:
587 leave = (struct ieee80211_leave_event *) &ifan[1];
588 hostapd_notif_disassoc(drv->hapd, leave->iev_addr);
590 case RTM_IEEE80211_JOIN:
591 #ifdef RTM_IEEE80211_REJOIN
592 case RTM_IEEE80211_REJOIN:
594 join = (struct ieee80211_join_event *) &ifan[1];
595 bsd_new_sta(drv, join->iev_addr);
597 case RTM_IEEE80211_REPLAY:
600 case RTM_IEEE80211_MICHAEL:
601 mic = (struct ieee80211_michael_event *) &ifan[1];
602 wpa_printf(MSG_DEBUG,
603 "Michael MIC failure wireless event: "
604 "keyix=%u src_addr=" MACSTR, mic->iev_keyix,
605 MAC2STR(mic->iev_src));
606 hostapd_michael_mic_failure(hapd, mic->iev_src);
614 bsd_wireless_event_init(struct bsd_driver_data *drv)
620 s = socket(PF_ROUTE, SOCK_RAW, 0);
622 perror("socket(PF_ROUTE,SOCK_RAW)");
625 eloop_register_read_sock(s, bsd_wireless_event_receive, drv, NULL);
632 bsd_wireless_event_deinit(struct bsd_driver_data *drv)
634 if (drv->wext_sock < 0)
636 eloop_unregister_read_sock(drv->wext_sock);
637 close(drv->wext_sock);
642 bsd_send_eapol(void *priv, const u8 *addr, const u8 *data, size_t data_len,
643 int encrypt, const u8 *own_addr)
645 struct bsd_driver_data *drv = priv;
646 unsigned char buf[3000];
647 unsigned char *bp = buf;
648 struct l2_ethhdr *eth;
653 * Prepend the Etherent header. If the caller left us
654 * space at the front we could just insert it but since
655 * we don't know we copy to a local buffer. Given the frequency
656 * and size of frames this probably doesn't matter.
658 len = data_len + sizeof(struct l2_ethhdr);
659 if (len > sizeof(buf)) {
662 printf("EAPOL frame discarded, cannot malloc temp "
663 "buffer of size %u!\n", len);
667 eth = (struct l2_ethhdr *) bp;
668 memcpy(eth->h_dest, addr, ETH_ALEN);
669 memcpy(eth->h_source, own_addr, ETH_ALEN);
670 eth->h_proto = htons(ETH_P_EAPOL);
671 memcpy(eth+1, data, data_len);
673 wpa_hexdump(MSG_MSGDUMP, "TX EAPOL", bp, len);
675 status = l2_packet_send(drv->sock_xmit, addr, ETH_P_EAPOL, bp, len);
683 handle_read(void *ctx, const u8 *src_addr, const u8 *buf, size_t len)
685 struct bsd_driver_data *drv = ctx;
686 hostapd_eapol_receive(drv->hapd, src_addr,
687 buf + sizeof(struct l2_ethhdr),
688 len - sizeof(struct l2_ethhdr));
692 bsd_get_ssid(const char *ifname, void *priv, u8 *buf, int len)
694 struct bsd_driver_data *drv = priv;
695 int ssid_len = get80211var(drv, IEEE80211_IOC_SSID, buf, len);
697 wpa_printf(MSG_DEBUG, "%s: ssid=\"%.*s\"", __func__, ssid_len, buf);
703 bsd_set_ssid(const char *ifname, void *priv, const u8 *buf, int len)
705 struct bsd_driver_data *drv = priv;
707 wpa_printf(MSG_DEBUG, "%s: ssid=\"%.*s\"", __func__, len, buf);
709 return set80211var(drv, IEEE80211_IOC_SSID, buf, len);
713 bsd_init(struct hostapd_data *hapd, struct wpa_init_params *params)
715 struct bsd_driver_data *drv;
717 drv = os_zalloc(sizeof(struct bsd_driver_data));
719 printf("Could not allocate memory for bsd driver data\n");
724 drv->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
725 if (drv->ioctl_sock < 0) {
726 perror("socket[PF_INET,SOCK_DGRAM]");
729 memcpy(drv->iface, params->ifname, sizeof(drv->iface));
731 drv->sock_xmit = l2_packet_init(drv->iface, NULL, ETH_P_EAPOL,
732 handle_read, drv, 1);
733 if (drv->sock_xmit == NULL)
735 if (l2_packet_get_own_addr(drv->sock_xmit, params->own_addr))
738 bsd_set_iface_flags(drv, 0); /* mark down during setup */
739 if (bsd_wireless_event_init(drv))
744 if (drv->sock_xmit != NULL)
745 l2_packet_deinit(drv->sock_xmit);
746 if (drv->ioctl_sock >= 0)
747 close(drv->ioctl_sock);
755 bsd_deinit(void *priv)
757 struct bsd_driver_data *drv = priv;
759 bsd_wireless_event_deinit(drv);
760 (void) bsd_set_iface_flags(drv, 0);
761 if (drv->ioctl_sock >= 0)
762 close(drv->ioctl_sock);
763 if (drv->sock_xmit != NULL)
764 l2_packet_deinit(drv->sock_xmit);
768 const struct wpa_driver_ops wpa_driver_bsd_ops = {
770 .hapd_init = bsd_init,
771 .hapd_deinit = bsd_deinit,
772 .set_ieee8021x = bsd_set_ieee8021x,
773 .set_privacy = bsd_set_privacy,
774 .hapd_set_key = bsd_set_key,
775 .get_seqnum = bsd_get_seqnum,
777 .set_generic_elem = bsd_set_opt_ie,
778 .sta_set_flags = bsd_sta_set_flags,
779 .read_sta_data = bsd_read_sta_driver_data,
780 .hapd_send_eapol = bsd_send_eapol,
781 .sta_disassoc = bsd_sta_disassoc,
782 .sta_deauth = bsd_sta_deauth,
783 .hapd_set_ssid = bsd_set_ssid,
784 .hapd_get_ssid = bsd_get_ssid,
789 struct wpa_driver_bsd_data {
790 int sock; /* open socket for 802.11 ioctls */
791 int route; /* routing socket for events */
792 char ifname[IFNAMSIZ+1]; /* interface name */
793 unsigned int ifindex; /* interface index */
795 int prev_roaming; /* roaming state to restore on deinit */
796 int prev_privacy; /* privacy state to restore on deinit */
797 int prev_wpa; /* wpa state to restore on deinit */
801 set80211var(struct wpa_driver_bsd_data *drv, int op, const void *arg, int arg_len)
803 struct ieee80211req ireq;
805 os_memset(&ireq, 0, sizeof(ireq));
806 os_strlcpy(ireq.i_name, drv->ifname, IFNAMSIZ);
808 ireq.i_len = arg_len;
809 ireq.i_data = (void *) arg;
811 if (ioctl(drv->sock, SIOCS80211, &ireq) < 0) {
812 fprintf(stderr, "ioctl[SIOCS80211, op %u, len %u]: %s\n",
813 op, arg_len, strerror(errno));
820 get80211var(struct wpa_driver_bsd_data *drv, int op, void *arg, int arg_len)
822 struct ieee80211req ireq;
824 os_memset(&ireq, 0, sizeof(ireq));
825 os_strlcpy(ireq.i_name, drv->ifname, IFNAMSIZ);
827 ireq.i_len = arg_len;
830 if (ioctl(drv->sock, SIOCG80211, &ireq) < 0) {
831 fprintf(stderr, "ioctl[SIOCG80211, op %u, len %u]: %s\n",
832 op, arg_len, strerror(errno));
839 set80211param(struct wpa_driver_bsd_data *drv, int op, int arg)
841 struct ieee80211req ireq;
843 os_memset(&ireq, 0, sizeof(ireq));
844 os_strlcpy(ireq.i_name, drv->ifname, IFNAMSIZ);
848 if (ioctl(drv->sock, SIOCS80211, &ireq) < 0) {
849 fprintf(stderr, "ioctl[SIOCS80211, op %u, arg 0x%x]: %s\n",
850 op, arg, strerror(errno));
857 get80211param(struct wpa_driver_bsd_data *drv, int op)
859 struct ieee80211req ireq;
861 os_memset(&ireq, 0, sizeof(ireq));
862 os_strlcpy(ireq.i_name, drv->ifname, IFNAMSIZ);
865 if (ioctl(drv->sock, SIOCG80211, &ireq) < 0) {
866 fprintf(stderr, "ioctl[SIOCG80211, op %u]: %s\n",
867 op, strerror(errno));
874 getifflags(struct wpa_driver_bsd_data *drv, int *flags)
878 os_memset(&ifr, 0, sizeof(ifr));
879 os_strlcpy(ifr.ifr_name, drv->ifname, sizeof(ifr.ifr_name));
880 if (ioctl(drv->sock, SIOCGIFFLAGS, (caddr_t)&ifr) < 0) {
881 perror("SIOCGIFFLAGS");
884 *flags = ifr.ifr_flags & 0xffff;
889 setifflags(struct wpa_driver_bsd_data *drv, int flags)
893 os_memset(&ifr, 0, sizeof(ifr));
894 os_strlcpy(ifr.ifr_name, drv->ifname, sizeof(ifr.ifr_name));
895 ifr.ifr_flags = flags & 0xffff;
896 if (ioctl(drv->sock, SIOCSIFFLAGS, (caddr_t)&ifr) < 0) {
897 perror("SIOCSIFFLAGS");
904 wpa_driver_bsd_get_bssid(void *priv, u8 *bssid)
906 struct wpa_driver_bsd_data *drv = priv;
908 return get80211var(drv, IEEE80211_IOC_BSSID,
909 bssid, IEEE80211_ADDR_LEN) < 0 ? -1 : 0;
914 wpa_driver_bsd_set_bssid(void *priv, const char *bssid)
916 struct wpa_driver_bsd_data *drv = priv;
918 return set80211var(drv, IEEE80211_IOC_BSSID,
919 bssid, IEEE80211_ADDR_LEN);
924 wpa_driver_bsd_get_ssid(void *priv, u8 *ssid)
926 struct wpa_driver_bsd_data *drv = priv;
928 return get80211var(drv, IEEE80211_IOC_SSID,
929 ssid, IEEE80211_NWID_LEN);
933 wpa_driver_bsd_set_ssid(void *priv, const u8 *ssid,
936 struct wpa_driver_bsd_data *drv = priv;
938 return set80211var(drv, IEEE80211_IOC_SSID, ssid, ssid_len);
942 wpa_driver_bsd_set_wpa_ie(struct wpa_driver_bsd_data *drv,
943 const u8 *wpa_ie, size_t wpa_ie_len)
945 return set80211var(drv, IEEE80211_IOC_OPTIE, wpa_ie, wpa_ie_len);
949 wpa_driver_bsd_set_wpa_internal(void *priv, int wpa, int privacy)
951 struct wpa_driver_bsd_data *drv = priv;
954 wpa_printf(MSG_DEBUG, "%s: wpa=%d privacy=%d",
955 __FUNCTION__, wpa, privacy);
957 if (!wpa && wpa_driver_bsd_set_wpa_ie(drv, NULL, 0) < 0)
959 if (set80211param(drv, IEEE80211_IOC_PRIVACY, privacy) < 0)
961 if (set80211param(drv, IEEE80211_IOC_WPA, wpa) < 0)
968 wpa_driver_bsd_set_wpa(void *priv, int enabled)
970 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __FUNCTION__, enabled);
972 return wpa_driver_bsd_set_wpa_internal(priv, enabled ? 3 : 0, enabled);
976 wpa_driver_bsd_del_key(struct wpa_driver_bsd_data *drv, int key_idx,
977 const unsigned char *addr)
979 struct ieee80211req_del_key wk;
981 os_memset(&wk, 0, sizeof(wk));
983 bcmp(addr, "\xff\xff\xff\xff\xff\xff", IEEE80211_ADDR_LEN) != 0) {
984 struct ether_addr ea;
986 os_memcpy(&ea, addr, IEEE80211_ADDR_LEN);
987 wpa_printf(MSG_DEBUG, "%s: addr=%s keyidx=%d",
988 __func__, ether_ntoa(&ea), key_idx);
989 os_memcpy(wk.idk_macaddr, addr, IEEE80211_ADDR_LEN);
990 wk.idk_keyix = (uint8_t) IEEE80211_KEYIX_NONE;
992 wpa_printf(MSG_DEBUG, "%s: keyidx=%d", __func__, key_idx);
993 wk.idk_keyix = key_idx;
995 return set80211var(drv, IEEE80211_IOC_DELKEY, &wk, sizeof(wk));
999 wpa_driver_bsd_set_key(void *priv, wpa_alg alg,
1000 const unsigned char *addr, int key_idx, int set_tx,
1001 const u8 *seq, size_t seq_len,
1002 const u8 *key, size_t key_len)
1004 struct wpa_driver_bsd_data *drv = priv;
1005 struct ieee80211req_key wk;
1006 struct ether_addr ea;
1010 if (alg == WPA_ALG_NONE)
1011 return wpa_driver_bsd_del_key(drv, key_idx, addr);
1016 cipher = IEEE80211_CIPHER_WEP;
1020 cipher = IEEE80211_CIPHER_TKIP;
1024 cipher = IEEE80211_CIPHER_AES_CCM;
1027 wpa_printf(MSG_DEBUG, "%s: unknown/unsupported algorithm %d",
1032 os_memcpy(&ea, addr, IEEE80211_ADDR_LEN);
1033 wpa_printf(MSG_DEBUG,
1034 "%s: alg=%s addr=%s key_idx=%d set_tx=%d seq_len=%zu key_len=%zu",
1035 __func__, alg_name, ether_ntoa(&ea), key_idx, set_tx,
1038 if (seq_len > sizeof(u_int64_t)) {
1039 wpa_printf(MSG_DEBUG, "%s: seq_len %zu too big",
1043 if (key_len > sizeof(wk.ik_keydata)) {
1044 wpa_printf(MSG_DEBUG, "%s: key length %zu too big",
1049 os_memset(&wk, 0, sizeof(wk));
1050 wk.ik_type = cipher;
1051 wk.ik_flags = IEEE80211_KEY_RECV;
1053 wk.ik_flags |= IEEE80211_KEY_XMIT;
1054 os_memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
1056 * Deduce whether group/global or unicast key by checking
1057 * the address (yech). Note also that we can only mark global
1058 * keys default; doing this for a unicast key is an error.
1060 if (bcmp(addr, "\xff\xff\xff\xff\xff\xff", IEEE80211_ADDR_LEN) == 0) {
1061 wk.ik_flags |= IEEE80211_KEY_GROUP;
1062 wk.ik_keyix = key_idx;
1064 wk.ik_keyix = (key_idx == 0 ? IEEE80211_KEYIX_NONE : key_idx);
1066 if (wk.ik_keyix != IEEE80211_KEYIX_NONE && set_tx)
1067 wk.ik_flags |= IEEE80211_KEY_DEFAULT;
1068 wk.ik_keylen = key_len;
1069 os_memcpy(&wk.ik_keyrsc, seq, seq_len);
1070 os_memcpy(wk.ik_keydata, key, key_len);
1072 return set80211var(drv, IEEE80211_IOC_WPAKEY, &wk, sizeof(wk));
1076 wpa_driver_bsd_set_countermeasures(void *priv, int enabled)
1078 struct wpa_driver_bsd_data *drv = priv;
1080 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled);
1081 return set80211param(drv, IEEE80211_IOC_COUNTERMEASURES, enabled);
1086 wpa_driver_bsd_set_drop_unencrypted(void *priv, int enabled)
1088 struct wpa_driver_bsd_data *drv = priv;
1090 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled);
1091 return set80211param(drv, IEEE80211_IOC_DROPUNENCRYPTED, enabled);
1095 wpa_driver_bsd_deauthenticate(void *priv, const u8 *addr, int reason_code)
1097 struct wpa_driver_bsd_data *drv = priv;
1098 struct ieee80211req_mlme mlme;
1100 wpa_printf(MSG_DEBUG, "%s", __func__);
1101 os_memset(&mlme, 0, sizeof(mlme));
1102 mlme.im_op = IEEE80211_MLME_DEAUTH;
1103 mlme.im_reason = reason_code;
1104 os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
1105 return set80211var(drv, IEEE80211_IOC_MLME, &mlme, sizeof(mlme));
1109 wpa_driver_bsd_disassociate(void *priv, const u8 *addr, int reason_code)
1111 struct wpa_driver_bsd_data *drv = priv;
1112 struct ieee80211req_mlme mlme;
1114 wpa_printf(MSG_DEBUG, "%s", __func__);
1115 os_memset(&mlme, 0, sizeof(mlme));
1116 mlme.im_op = IEEE80211_MLME_DISASSOC;
1117 mlme.im_reason = reason_code;
1118 os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
1119 return set80211var(drv, IEEE80211_IOC_MLME, &mlme, sizeof(mlme));
1123 wpa_driver_bsd_associate(void *priv, struct wpa_driver_associate_params *params)
1125 struct wpa_driver_bsd_data *drv = priv;
1126 struct ieee80211req_mlme mlme;
1129 wpa_printf(MSG_DEBUG,
1130 "%s: ssid '%.*s' wpa ie len %u pairwise %u group %u key mgmt %u"
1132 , params->ssid_len, params->ssid
1133 , params->wpa_ie_len
1134 , params->pairwise_suite
1135 , params->group_suite
1136 , params->key_mgmt_suite
1139 /* XXX error handling is wrong but unclear what to do... */
1140 if (wpa_driver_bsd_set_wpa_ie(drv, params->wpa_ie, params->wpa_ie_len) < 0)
1142 #ifndef NEW_FREEBSD_MLME_ASSOC
1143 if (wpa_driver_bsd_set_ssid(drv, params->ssid, params->ssid_len) < 0)
1147 privacy = !(params->pairwise_suite == CIPHER_NONE &&
1148 params->group_suite == CIPHER_NONE &&
1149 params->key_mgmt_suite == KEY_MGMT_NONE &&
1150 params->wpa_ie_len == 0);
1151 wpa_printf(MSG_DEBUG, "%s: set PRIVACY %u", __func__, privacy);
1153 if (set80211param(drv, IEEE80211_IOC_PRIVACY, privacy) < 0)
1156 if (params->wpa_ie_len &&
1157 set80211param(drv, IEEE80211_IOC_WPA,
1158 params->wpa_ie[0] == WLAN_EID_RSN ? 2 : 1) < 0)
1161 os_memset(&mlme, 0, sizeof(mlme));
1162 mlme.im_op = IEEE80211_MLME_ASSOC;
1163 #ifdef NEW_FREEBSD_MLME_ASSOC
1164 if (params->ssid != NULL)
1165 os_memcpy(mlme.im_ssid, params->ssid, params->ssid_len);
1166 mlme.im_ssid_len = params->ssid_len;
1168 if (params->bssid != NULL)
1169 os_memcpy(mlme.im_macaddr, params->bssid, IEEE80211_ADDR_LEN);
1170 if (set80211var(drv, IEEE80211_IOC_MLME, &mlme, sizeof(mlme)) < 0)
1176 wpa_driver_bsd_set_auth_alg(void *priv, int auth_alg)
1178 struct wpa_driver_bsd_data *drv = priv;
1181 if ((auth_alg & AUTH_ALG_OPEN_SYSTEM) &&
1182 (auth_alg & AUTH_ALG_SHARED_KEY))
1183 authmode = IEEE80211_AUTH_AUTO;
1184 else if (auth_alg & AUTH_ALG_SHARED_KEY)
1185 authmode = IEEE80211_AUTH_SHARED;
1187 authmode = IEEE80211_AUTH_OPEN;
1189 return set80211param(drv, IEEE80211_IOC_AUTHMODE, authmode);
1193 wpa_driver_bsd_scan(void *priv, const u8 *ssid, size_t ssid_len)
1195 struct wpa_driver_bsd_data *drv = priv;
1198 /* NB: interface must be marked UP to do a scan */
1199 if (getifflags(drv, &flags) != 0 || setifflags(drv, flags | IFF_UP) != 0)
1202 /* set desired ssid before scan */
1203 if (wpa_driver_bsd_set_ssid(drv, ssid, ssid_len) < 0)
1206 /* NB: net80211 delivers a scan complete event so no need to poll */
1207 return set80211param(drv, IEEE80211_IOC_SCAN_REQ, 0);
1211 wpa_driver_bsd_event_receive(int sock, void *ctx, void *sock_ctx)
1213 struct wpa_driver_bsd_data *drv = sock_ctx;
1215 struct if_announcemsghdr *ifan;
1216 struct if_msghdr *ifm;
1217 struct rt_msghdr *rtm;
1218 union wpa_event_data event;
1219 struct ieee80211_michael_event *mic;
1222 n = read(sock, buf, sizeof(buf));
1224 if (errno != EINTR && errno != EAGAIN)
1225 perror("read(PF_ROUTE)");
1229 rtm = (struct rt_msghdr *) buf;
1230 if (rtm->rtm_version != RTM_VERSION) {
1231 wpa_printf(MSG_DEBUG, "Routing message version %d not "
1232 "understood\n", rtm->rtm_version);
1235 os_memset(&event, 0, sizeof(event));
1236 switch (rtm->rtm_type) {
1237 case RTM_IFANNOUNCE:
1238 ifan = (struct if_announcemsghdr *) rtm;
1239 if (ifan->ifan_index != drv->ifindex)
1241 strlcpy(event.interface_status.ifname, drv->ifname,
1242 sizeof(event.interface_status.ifname));
1243 switch (ifan->ifan_what) {
1244 case IFAN_DEPARTURE:
1245 event.interface_status.ievent = EVENT_INTERFACE_REMOVED;
1249 wpa_printf(MSG_DEBUG, "RTM_IFANNOUNCE: Interface '%s' %s",
1250 event.interface_status.ifname,
1251 ifan->ifan_what == IFAN_DEPARTURE ?
1252 "removed" : "added");
1253 wpa_supplicant_event(ctx, EVENT_INTERFACE_STATUS, &event);
1256 ifan = (struct if_announcemsghdr *) rtm;
1257 if (ifan->ifan_index != drv->ifindex)
1259 switch (ifan->ifan_what) {
1260 case RTM_IEEE80211_ASSOC:
1261 case RTM_IEEE80211_REASSOC:
1262 wpa_supplicant_event(ctx, EVENT_ASSOC, NULL);
1264 case RTM_IEEE80211_DISASSOC:
1265 wpa_supplicant_event(ctx, EVENT_DISASSOC, NULL);
1267 case RTM_IEEE80211_SCAN:
1268 wpa_supplicant_event(ctx, EVENT_SCAN_RESULTS, NULL);
1270 case RTM_IEEE80211_REPLAY:
1273 case RTM_IEEE80211_MICHAEL:
1274 mic = (struct ieee80211_michael_event *) &ifan[1];
1275 wpa_printf(MSG_DEBUG,
1276 "Michael MIC failure wireless event: "
1277 "keyix=%u src_addr=" MACSTR, mic->iev_keyix,
1278 MAC2STR(mic->iev_src));
1280 os_memset(&event, 0, sizeof(event));
1281 event.michael_mic_failure.unicast =
1282 !IEEE80211_IS_MULTICAST(mic->iev_dst);
1283 wpa_supplicant_event(ctx, EVENT_MICHAEL_MIC_FAILURE,
1289 ifm = (struct if_msghdr *) rtm;
1290 if (ifm->ifm_index != drv->ifindex)
1292 if ((rtm->rtm_flags & RTF_UP) == 0) {
1293 strlcpy(event.interface_status.ifname, drv->ifname,
1294 sizeof(event.interface_status.ifname));
1295 event.interface_status.ievent = EVENT_INTERFACE_REMOVED;
1296 wpa_printf(MSG_DEBUG, "RTM_IFINFO: Interface '%s' DOWN",
1297 event.interface_status.ifname);
1298 wpa_supplicant_event(ctx, EVENT_INTERFACE_STATUS, &event);
1304 /* Compare function for sorting scan results. Return >0 if @b is consider
1307 wpa_scan_result_compar(const void *a, const void *b)
1309 const struct wpa_scan_result *wa = a;
1310 const struct wpa_scan_result *wb = b;
1312 /* WPA/WPA2 support preferred */
1313 if ((wb->wpa_ie_len || wb->rsn_ie_len) &&
1314 !(wa->wpa_ie_len || wa->rsn_ie_len))
1316 if (!(wb->wpa_ie_len || wb->rsn_ie_len) &&
1317 (wa->wpa_ie_len || wa->rsn_ie_len))
1320 /* privacy support preferred */
1321 if ((wa->caps & IEEE80211_CAPINFO_PRIVACY) &&
1322 (wb->caps & IEEE80211_CAPINFO_PRIVACY) == 0)
1324 if ((wa->caps & IEEE80211_CAPINFO_PRIVACY) == 0 &&
1325 (wb->caps & IEEE80211_CAPINFO_PRIVACY))
1328 /* best/max rate preferred if signal level close enough XXX */
1329 if (wa->maxrate != wb->maxrate && abs(wb->level - wa->level) < 5)
1330 return wb->maxrate - wa->maxrate;
1332 /* use freq for channel preference */
1334 /* all things being equal, use signal level */
1335 return wb->level - wa->level;
1339 getmaxrate(uint8_t rates[15], uint8_t nrates)
1341 int i, maxrate = -1;
1343 for (i = 0; i < nrates; i++) {
1344 int rate = rates[i] & IEEE80211_RATE_VAL;
1351 /* unalligned little endian access */
1352 #define LE_READ_4(p) \
1354 ((((const u_int8_t *)(p))[0] ) | \
1355 (((const u_int8_t *)(p))[1] << 8) | \
1356 (((const u_int8_t *)(p))[2] << 16) | \
1357 (((const u_int8_t *)(p))[3] << 24)))
1360 iswpaoui(const u_int8_t *frm)
1362 return frm[1] > 3 && LE_READ_4(frm+2) == ((WPA_OUI_TYPE<<24)|WPA_OUI);
1366 wpa_driver_bsd_get_scan_results(void *priv,
1367 struct wpa_scan_result *results,
1370 #define min(a,b) ((a)>(b)?(b):(a))
1371 struct wpa_driver_bsd_data *drv = priv;
1372 uint8_t buf[24*1024];
1374 struct ieee80211req_scan_result *sr;
1375 struct wpa_scan_result *wsr;
1378 os_memset(results, 0, max_size * sizeof(struct wpa_scan_result));
1380 len = get80211var(drv, IEEE80211_IOC_SCAN_RESULTS, buf, sizeof(buf));
1385 while (len >= sizeof(struct ieee80211req_scan_result)) {
1386 sr = (struct ieee80211req_scan_result *) cp;
1387 os_memcpy(wsr->bssid, sr->isr_bssid, IEEE80211_ADDR_LEN);
1388 wsr->ssid_len = sr->isr_ssid_len;
1389 wsr->freq = sr->isr_freq;
1390 wsr->noise = sr->isr_noise;
1391 wsr->qual = sr->isr_rssi;
1392 wsr->level = 0; /* XXX? */
1393 wsr->caps = sr->isr_capinfo;
1394 wsr->maxrate = getmaxrate(sr->isr_rates, sr->isr_nrates);
1395 vp = (u_int8_t *)(sr+1);
1396 os_memcpy(wsr->ssid, vp, sr->isr_ssid_len);
1397 if (sr->isr_ie_len > 0) {
1398 vp += sr->isr_ssid_len;
1399 ielen = sr->isr_ie_len;
1402 case IEEE80211_ELEMID_VENDOR:
1406 min(2+vp[1], SSID_MAX_WPA_IE_LEN);
1407 os_memcpy(wsr->wpa_ie, vp,
1410 case IEEE80211_ELEMID_RSN:
1412 min(2+vp[1], SSID_MAX_WPA_IE_LEN);
1413 os_memcpy(wsr->rsn_ie, vp,
1422 cp += sr->isr_len, len -= sr->isr_len;
1425 qsort(results, wsr - results, sizeof(struct wpa_scan_result),
1426 wpa_scan_result_compar);
1428 wpa_printf(MSG_DEBUG, "Received %d bytes of scan results (%d BSSes)",
1429 len, wsr - results);
1431 return wsr - results;
1436 wpa_driver_bsd_init(void *ctx, const char *ifname)
1438 #define GETPARAM(drv, param, v) \
1439 (((v) = get80211param(drv, param)) != -1)
1440 struct wpa_driver_bsd_data *drv;
1442 drv = os_zalloc(sizeof(*drv));
1446 * NB: We require the interface name be mappable to an index.
1447 * This implies we do not support having wpa_supplicant
1448 * wait for an interface to appear. This seems ok; that
1449 * doesn't belong here; it's really the job of devd.
1451 drv->ifindex = if_nametoindex(ifname);
1452 if (drv->ifindex == 0) {
1453 wpa_printf(MSG_DEBUG, "%s: interface %s does not exist",
1457 drv->sock = socket(PF_INET, SOCK_DGRAM, 0);
1460 drv->route = socket(PF_ROUTE, SOCK_RAW, 0);
1463 eloop_register_read_sock(drv->route,
1464 wpa_driver_bsd_event_receive, ctx, drv);
1467 os_strlcpy(drv->ifname, ifname, sizeof(drv->ifname));
1469 if (!GETPARAM(drv, IEEE80211_IOC_ROAMING, drv->prev_roaming)) {
1470 wpa_printf(MSG_DEBUG, "%s: failed to get roaming state: %s",
1471 __func__, strerror(errno));
1474 if (!GETPARAM(drv, IEEE80211_IOC_PRIVACY, drv->prev_privacy)) {
1475 wpa_printf(MSG_DEBUG, "%s: failed to get privacy state: %s",
1476 __func__, strerror(errno));
1479 if (!GETPARAM(drv, IEEE80211_IOC_WPA, drv->prev_wpa)) {
1480 wpa_printf(MSG_DEBUG, "%s: failed to get wpa state: %s",
1481 __func__, strerror(errno));
1484 if (set80211param(drv, IEEE80211_IOC_ROAMING, IEEE80211_ROAMING_MANUAL) < 0) {
1485 wpa_printf(MSG_DEBUG, "%s: failed to set wpa_supplicant-based "
1486 "roaming: %s", __func__, strerror(errno));
1490 if (set80211param(drv, IEEE80211_IOC_WPA, 1+2) < 0) {
1491 wpa_printf(MSG_DEBUG, "%s: failed to enable WPA support %s",
1492 __func__, strerror(errno));
1506 wpa_driver_bsd_deinit(void *priv)
1508 struct wpa_driver_bsd_data *drv = priv;
1511 eloop_unregister_read_sock(drv->route);
1513 /* NB: mark interface down */
1514 if (getifflags(drv, &flags) == 0)
1515 (void) setifflags(drv, flags &~ IFF_UP);
1517 wpa_driver_bsd_set_wpa_internal(drv, drv->prev_wpa, drv->prev_privacy);
1518 if (set80211param(drv, IEEE80211_IOC_ROAMING, drv->prev_roaming) < 0)
1519 wpa_printf(MSG_DEBUG, "%s: failed to restore roaming state",
1522 (void) close(drv->route); /* ioctl socket */
1523 (void) close(drv->sock); /* event socket */
1528 const struct wpa_driver_ops wpa_driver_bsd_ops = {
1530 .desc = "BSD 802.11 support (Atheros, etc.)",
1531 .init = wpa_driver_bsd_init,
1532 .deinit = wpa_driver_bsd_deinit,
1533 .get_bssid = wpa_driver_bsd_get_bssid,
1534 .get_ssid = wpa_driver_bsd_get_ssid,
1535 .set_wpa = wpa_driver_bsd_set_wpa,
1536 .set_key = wpa_driver_bsd_set_key,
1537 .set_countermeasures = wpa_driver_bsd_set_countermeasures,
1538 .set_drop_unencrypted = wpa_driver_bsd_set_drop_unencrypted,
1539 .scan = wpa_driver_bsd_scan,
1540 .get_scan_results = wpa_driver_bsd_get_scan_results,
1541 .deauthenticate = wpa_driver_bsd_deauthenticate,
1542 .disassociate = wpa_driver_bsd_disassociate,
1543 .associate = wpa_driver_bsd_associate,
1544 .set_auth_alg = wpa_driver_bsd_set_auth_alg,
1547 #endif /* HOSTAPD */