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 "common/ieee802_11_defs.h"
25 #include <net/if_media.h>
28 #include <net/if_ether.h>
30 #include <net/ethernet.h>
32 #include <net/route.h>
35 #include <netproto/802_11/ieee80211_ioctl.h>
36 #include <netproto/802_11/ieee80211_dragonfly.h>
37 #else /* __DragonFly__ */
38 #include <net80211/ieee80211.h>
39 #include <net80211/ieee80211_ioctl.h>
40 #include <net80211/ieee80211_crypto.h>
41 #endif /* __DragonFly__ */
43 #include <net80211/ieee80211_freebsd.h>
46 #include <net80211/ieee80211_netbsd.h>
49 /* Generic functions for hostapd and wpa_supplicant */
52 bsd_set80211var(int s, const char *ifname, int op, const void *arg, int arg_len)
54 struct ieee80211req ireq;
56 os_memset(&ireq, 0, sizeof(ireq));
57 os_strlcpy(ireq.i_name, ifname, sizeof(ireq.i_name));
60 ireq.i_data = (void *) arg;
62 if (ioctl(s, SIOCS80211, &ireq) < 0) {
63 fprintf(stderr, "ioctl[SIOCS80211, op %u, len %u]: %s\n",
64 op, arg_len, strerror(errno));
71 bsd_get80211var(int s, const char *ifname, int op, void *arg, int arg_len)
73 struct ieee80211req ireq;
75 os_memset(&ireq, 0, sizeof(ireq));
76 os_strlcpy(ireq.i_name, ifname, sizeof(ireq.i_name));
81 if (ioctl(s, SIOCG80211, &ireq) < 0) {
82 fprintf(stderr, "ioctl[SIOCG80211, op %u, len %u]: %s\n",
83 op, arg_len, strerror(errno));
90 bsd_set80211param(int s, const char *ifname, int op, int arg)
92 struct ieee80211req ireq;
94 os_memset(&ireq, 0, sizeof(ireq));
95 os_strlcpy(ireq.i_name, ifname, sizeof(ireq.i_name));
99 if (ioctl(s, SIOCS80211, &ireq) < 0) {
100 fprintf(stderr, "ioctl[SIOCS80211, op %u, arg 0x%x]: %s\n",
101 op, arg, strerror(errno));
108 bsd_get_ssid(int s, const char *ifname, u8 *ssid)
110 #ifdef SIOCG80211NWID
111 struct ieee80211_nwid nwid;
114 os_memset(&ifr, 0, sizeof(ifr));
115 os_strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
116 ifr.ifr_data = (void *)&nwid;
117 if (ioctl(s, SIOCG80211NWID, &ifr) < 0 ||
118 nwid.i_len > IEEE80211_NWID_LEN)
120 os_memcpy(ssid, nwid.i_nwid, nwid.i_len);
123 return bsd_get80211var(s, ifname, IEEE80211_IOC_SSID,
124 ssid, IEEE80211_NWID_LEN);
129 bsd_set_ssid(int s, const char *ifname, const u8 *ssid, size_t ssid_len)
131 #ifdef SIOCS80211NWID
132 struct ieee80211_nwid nwid;
135 os_memcpy(nwid.i_nwid, ssid, ssid_len);
136 nwid.i_len = ssid_len;
137 os_memset(&ifr, 0, sizeof(ifr));
138 os_strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
139 ifr.ifr_data = (void *)&nwid;
140 return ioctl(s, SIOCS80211NWID, &ifr);
142 return bsd_set80211var(s, ifname, IEEE80211_IOC_SSID, ssid, ssid_len);
147 bsd_get_if_media(int s, const char *ifname)
149 struct ifmediareq ifmr;
151 os_memset(&ifmr, 0, sizeof(ifmr));
152 os_strlcpy(ifmr.ifm_name, ifname, sizeof(ifmr.ifm_name));
154 if (ioctl(s, SIOCGIFMEDIA, &ifmr) < 0) {
155 wpa_printf(MSG_ERROR, "%s: SIOCGIFMEDIA %s", __func__,
160 return ifmr.ifm_current;
164 bsd_set_if_media(int s, const char *ifname, int media)
168 os_memset(&ifr, 0, sizeof(ifr));
169 os_strlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
170 ifr.ifr_media = media;
172 if (ioctl(s, SIOCSIFMEDIA, &ifr) < 0) {
173 wpa_printf(MSG_ERROR, "%s: SIOCSIFMEDIA %s", __func__,
182 bsd_set_mediaopt(int s, const char *ifname, uint32_t mask, uint32_t mode)
184 int media = bsd_get_if_media(s, ifname);
190 if (bsd_set_if_media(s, ifname, media) < 0)
199 * Avoid conflicts with hostapd definitions by undefining couple of defines
200 * from net80211 header files.
206 #include "l2_packet/l2_packet.h"
208 struct bsd_driver_data {
209 struct hostapd_data *hapd; /* back pointer */
211 char iface[IFNAMSIZ + 1];
212 struct l2_packet_data *sock_xmit; /* raw packet xmit socket */
213 int ioctl_sock; /* socket for ioctl() use */
214 int wext_sock; /* socket for wireless events */
217 static int bsd_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
221 set80211var(struct bsd_driver_data *drv, int op, const void *arg, int arg_len)
223 return bsd_set80211var(drv->ioctl_sock, drv->iface, op, arg, arg_len);
227 get80211var(struct bsd_driver_data *drv, int op, void *arg, int arg_len)
229 return bsd_get80211var(drv->ioctl_sock, drv->iface, op, arg, arg_len);
233 set80211param(struct bsd_driver_data *drv, int op, int arg)
235 return bsd_set80211param(drv->ioctl_sock, drv->iface, op, arg);
239 ether_sprintf(const u8 *addr)
241 static char buf[sizeof(MACSTR)];
244 snprintf(buf, sizeof(buf), MACSTR, MAC2STR(addr));
246 snprintf(buf, sizeof(buf), MACSTR, 0,0,0,0,0,0);
251 * Configure WPA parameters.
254 bsd_configure_wpa(struct bsd_driver_data *drv, struct wpa_bss_params *params)
256 static const char *ciphernames[] =
257 { "WEP", "TKIP", "AES-OCB", "AES-CCM", "CKIP", "NONE" };
260 switch (params->wpa_group) {
261 case WPA_CIPHER_CCMP:
262 v = IEEE80211_CIPHER_AES_CCM;
264 case WPA_CIPHER_TKIP:
265 v = IEEE80211_CIPHER_TKIP;
267 case WPA_CIPHER_WEP104:
268 v = IEEE80211_CIPHER_WEP;
270 case WPA_CIPHER_WEP40:
271 v = IEEE80211_CIPHER_WEP;
273 case WPA_CIPHER_NONE:
274 v = IEEE80211_CIPHER_NONE;
277 printf("Unknown group key cipher %u\n",
281 wpa_printf(MSG_DEBUG, "%s: group key cipher=%s (%u)",
282 __func__, ciphernames[v], v);
283 if (set80211param(drv, IEEE80211_IOC_MCASTCIPHER, v)) {
284 printf("Unable to set group key cipher to %u (%s)\n",
288 if (v == IEEE80211_CIPHER_WEP) {
289 /* key length is done only for specific ciphers */
290 v = (params->wpa_group == WPA_CIPHER_WEP104 ? 13 : 5);
291 if (set80211param(drv, IEEE80211_IOC_MCASTKEYLEN, v)) {
292 printf("Unable to set group key length to %u\n", v);
298 if (params->wpa_pairwise & WPA_CIPHER_CCMP)
299 v |= 1<<IEEE80211_CIPHER_AES_CCM;
300 if (params->wpa_pairwise & WPA_CIPHER_TKIP)
301 v |= 1<<IEEE80211_CIPHER_TKIP;
302 if (params->wpa_pairwise & WPA_CIPHER_NONE)
303 v |= 1<<IEEE80211_CIPHER_NONE;
304 wpa_printf(MSG_DEBUG, "%s: pairwise key ciphers=0x%x", __func__, v);
305 if (set80211param(drv, IEEE80211_IOC_UCASTCIPHERS, v)) {
306 printf("Unable to set pairwise key ciphers to 0x%x\n", v);
310 wpa_printf(MSG_DEBUG, "%s: key management algorithms=0x%x",
311 __func__, params->wpa_key_mgmt);
312 if (set80211param(drv, IEEE80211_IOC_KEYMGTALGS, params->wpa_key_mgmt))
314 printf("Unable to set key management algorithms to 0x%x\n",
315 params->wpa_key_mgmt);
320 if (params->rsn_preauth)
322 wpa_printf(MSG_DEBUG, "%s: rsn capabilities=0x%x",
323 __func__, params->rsn_preauth);
324 if (set80211param(drv, IEEE80211_IOC_RSNCAPS, v)) {
325 printf("Unable to set RSN capabilities to 0x%x\n", v);
329 wpa_printf(MSG_DEBUG, "%s: enable WPA= 0x%x", __func__, params->wpa);
330 if (set80211param(drv, IEEE80211_IOC_WPA, params->wpa)) {
331 printf("Unable to set WPA to %u\n", params->wpa);
339 bsd_set_iface_flags(void *priv, int dev_up)
341 struct bsd_driver_data *drv = priv;
344 wpa_printf(MSG_DEBUG, "%s: dev_up=%d", __func__, dev_up);
346 if (drv->ioctl_sock < 0)
349 memset(&ifr, 0, sizeof(ifr));
350 os_strlcpy(ifr.ifr_name, drv->iface, sizeof(ifr.ifr_name));
352 if (ioctl(drv->ioctl_sock, SIOCGIFFLAGS, &ifr) != 0) {
353 perror("ioctl[SIOCGIFFLAGS]");
358 ifr.ifr_flags |= IFF_UP;
360 ifr.ifr_flags &= ~IFF_UP;
362 if (ioctl(drv->ioctl_sock, SIOCSIFFLAGS, &ifr) != 0) {
363 perror("ioctl[SIOCSIFFLAGS]");
371 bsd_set_ieee8021x(void *priv, struct wpa_bss_params *params)
373 struct bsd_driver_data *drv = priv;
375 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, params->enabled);
377 if (!params->enabled) {
378 /* XXX restore state */
379 return set80211param(priv, IEEE80211_IOC_AUTHMODE,
380 IEEE80211_AUTH_AUTO);
382 if (!params->wpa && !params->ieee802_1x) {
383 hostapd_logger(drv->hapd, NULL, HOSTAPD_MODULE_DRIVER,
384 HOSTAPD_LEVEL_WARNING, "No 802.1X or WPA enabled!");
387 if (params->wpa && bsd_configure_wpa(drv, params) != 0) {
388 hostapd_logger(drv->hapd, NULL, HOSTAPD_MODULE_DRIVER,
389 HOSTAPD_LEVEL_WARNING, "Error configuring WPA state!");
392 if (set80211param(priv, IEEE80211_IOC_AUTHMODE,
393 (params->wpa ? IEEE80211_AUTH_WPA : IEEE80211_AUTH_8021X))) {
394 hostapd_logger(drv->hapd, NULL, HOSTAPD_MODULE_DRIVER,
395 HOSTAPD_LEVEL_WARNING, "Error enabling WPA/802.1X!");
398 return bsd_set_iface_flags(priv, 1);
402 bsd_set_privacy(const char *ifname, void *priv, int enabled)
404 struct bsd_driver_data *drv = priv;
406 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled);
408 return set80211param(drv, IEEE80211_IOC_PRIVACY, enabled);
412 bsd_set_sta_authorized(void *priv, const u8 *addr, int authorized)
414 struct bsd_driver_data *drv = priv;
415 struct ieee80211req_mlme mlme;
417 wpa_printf(MSG_DEBUG, "%s: addr=%s authorized=%d",
418 __func__, ether_sprintf(addr), authorized);
421 mlme.im_op = IEEE80211_MLME_AUTHORIZE;
423 mlme.im_op = IEEE80211_MLME_UNAUTHORIZE;
425 memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
426 return set80211var(drv, IEEE80211_IOC_MLME, &mlme, sizeof(mlme));
430 bsd_sta_set_flags(void *priv, const u8 *addr, int total_flags, int flags_or,
433 /* For now, only support setting Authorized flag */
434 if (flags_or & WPA_STA_AUTHORIZED)
435 return bsd_set_sta_authorized(priv, addr, 1);
436 if (!(flags_and & WPA_STA_AUTHORIZED))
437 return bsd_set_sta_authorized(priv, addr, 0);
442 bsd_del_key(void *priv, const u8 *addr, int key_idx)
444 struct bsd_driver_data *drv = priv;
445 struct ieee80211req_del_key wk;
447 wpa_printf(MSG_DEBUG, "%s: addr=%s key_idx=%d",
448 __func__, ether_sprintf(addr), key_idx);
450 memset(&wk, 0, sizeof(wk));
452 memcpy(wk.idk_macaddr, addr, IEEE80211_ADDR_LEN);
453 wk.idk_keyix = (u_int8_t) IEEE80211_KEYIX_NONE; /* XXX */
455 wk.idk_keyix = key_idx;
458 return set80211var(drv, IEEE80211_IOC_DELKEY, &wk, sizeof(wk));
462 bsd_set_key(const char *ifname, void *priv, enum wpa_alg alg,
463 const u8 *addr, int key_idx, int set_tx, const u8 *seq,
464 size_t seq_len, const u8 *key, size_t key_len)
466 struct bsd_driver_data *drv = priv;
467 struct ieee80211req_key wk;
470 if (alg == WPA_ALG_NONE)
471 return bsd_del_key(drv, addr, key_idx);
473 wpa_printf(MSG_DEBUG, "%s: alg=%d addr=%s key_idx=%d",
474 __func__, alg, ether_sprintf(addr), key_idx);
476 if (alg == WPA_ALG_WEP)
477 cipher = IEEE80211_CIPHER_WEP;
478 else if (alg == WPA_ALG_TKIP)
479 cipher = IEEE80211_CIPHER_TKIP;
480 else if (alg == WPA_ALG_CCMP)
481 cipher = IEEE80211_CIPHER_AES_CCM;
483 printf("%s: unknown/unsupported algorithm %d\n",
488 if (key_len > sizeof(wk.ik_keydata)) {
489 printf("%s: key length %d too big\n", __func__, (int) key_len);
493 memset(&wk, 0, sizeof(wk));
495 wk.ik_flags = IEEE80211_KEY_RECV | IEEE80211_KEY_XMIT;
497 memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN);
498 wk.ik_keyix = key_idx;
499 wk.ik_flags |= IEEE80211_KEY_DEFAULT;
501 memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
502 wk.ik_keyix = IEEE80211_KEYIX_NONE;
504 wk.ik_keylen = key_len;
505 memcpy(wk.ik_keydata, key, key_len);
507 return set80211var(drv, IEEE80211_IOC_WPAKEY, &wk, sizeof(wk));
512 bsd_get_seqnum(const char *ifname, void *priv, const u8 *addr, int idx,
515 struct bsd_driver_data *drv = priv;
516 struct ieee80211req_key wk;
518 wpa_printf(MSG_DEBUG, "%s: addr=%s idx=%d",
519 __func__, ether_sprintf(addr), idx);
521 memset(&wk, 0, sizeof(wk));
523 memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN);
525 memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
528 if (get80211var(drv, IEEE80211_IOC_WPAKEY, &wk, sizeof(wk)) < 0) {
529 printf("Failed to get encryption.\n");
533 #ifdef WORDS_BIGENDIAN
536 * wk.ik_keytsc is in host byte order (big endian), need to
537 * swap it to match with the byte order used in WPA.
540 u8 tmp[WPA_KEY_RSC_LEN];
541 memcpy(tmp, &wk.ik_keytsc, sizeof(wk.ik_keytsc));
542 for (i = 0; i < WPA_KEY_RSC_LEN; i++) {
543 seq[i] = tmp[WPA_KEY_RSC_LEN - i - 1];
546 #else /* WORDS_BIGENDIAN */
547 memcpy(seq, &wk.ik_keytsc, sizeof(wk.ik_keytsc));
548 #endif /* WORDS_BIGENDIAN */
554 bsd_flush(void *priv)
556 u8 allsta[IEEE80211_ADDR_LEN];
558 memset(allsta, 0xff, IEEE80211_ADDR_LEN);
559 return bsd_sta_deauth(priv, NULL, allsta, IEEE80211_REASON_AUTH_LEAVE);
564 bsd_read_sta_driver_data(void *priv, struct hostap_sta_driver_data *data,
567 struct bsd_driver_data *drv = priv;
568 struct ieee80211req_sta_stats stats;
570 memcpy(stats.is_u.macaddr, addr, IEEE80211_ADDR_LEN);
571 if (get80211var(drv, IEEE80211_IOC_STA_STATS, &stats, sizeof(stats)) > 0) {
572 /* XXX? do packets counts include non-data frames? */
573 data->rx_packets = stats.is_stats.ns_rx_data;
574 data->rx_bytes = stats.is_stats.ns_rx_bytes;
575 data->tx_packets = stats.is_stats.ns_tx_data;
576 data->tx_bytes = stats.is_stats.ns_tx_bytes;
582 bsd_set_opt_ie(const char *ifname, void *priv, const u8 *ie, size_t ie_len)
585 * Do nothing; we setup parameters at startup that define the
586 * contents of the beacon information element.
592 bsd_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr, int reason_code)
594 struct bsd_driver_data *drv = priv;
595 struct ieee80211req_mlme mlme;
597 wpa_printf(MSG_DEBUG, "%s: addr=%s reason_code=%d",
598 __func__, ether_sprintf(addr), reason_code);
600 mlme.im_op = IEEE80211_MLME_DEAUTH;
601 mlme.im_reason = reason_code;
602 memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
603 return set80211var(drv, IEEE80211_IOC_MLME, &mlme, sizeof(mlme));
607 bsd_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
610 struct bsd_driver_data *drv = priv;
611 struct ieee80211req_mlme mlme;
613 wpa_printf(MSG_DEBUG, "%s: addr=%s reason_code=%d",
614 __func__, ether_sprintf(addr), reason_code);
616 mlme.im_op = IEEE80211_MLME_DISASSOC;
617 mlme.im_reason = reason_code;
618 memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
619 return set80211var(drv, IEEE80211_IOC_MLME, &mlme, sizeof(mlme));
623 bsd_new_sta(struct bsd_driver_data *drv, u8 addr[IEEE80211_ADDR_LEN])
625 struct hostapd_data *hapd = drv->hapd;
626 struct ieee80211req_wpaie ie;
631 * Fetch and validate any negotiated WPA/RSN parameters.
633 memset(&ie, 0, sizeof(ie));
634 memcpy(ie.wpa_macaddr, addr, IEEE80211_ADDR_LEN);
635 if (get80211var(drv, IEEE80211_IOC_WPAIE, &ie, sizeof(ie)) < 0) {
636 printf("Failed to get WPA/RSN information element.\n");
640 ielen = ie.wpa_ie[1];
647 drv_event_assoc(hapd, addr, iebuf, ielen);
651 bsd_wireless_event_receive(int sock, void *ctx, void *sock_ctx)
653 struct bsd_driver_data *drv = ctx;
655 struct if_announcemsghdr *ifan;
656 struct rt_msghdr *rtm;
657 struct ieee80211_michael_event *mic;
658 struct ieee80211_join_event *join;
659 struct ieee80211_leave_event *leave;
661 union wpa_event_data data;
663 n = read(sock, buf, sizeof(buf));
665 if (errno != EINTR && errno != EAGAIN)
666 perror("read(PF_ROUTE)");
670 rtm = (struct rt_msghdr *) buf;
671 if (rtm->rtm_version != RTM_VERSION) {
672 wpa_printf(MSG_DEBUG, "Routing message version %d not "
673 "understood\n", rtm->rtm_version);
676 ifan = (struct if_announcemsghdr *) rtm;
677 switch (rtm->rtm_type) {
679 switch (ifan->ifan_what) {
680 case RTM_IEEE80211_ASSOC:
681 case RTM_IEEE80211_REASSOC:
682 case RTM_IEEE80211_DISASSOC:
683 case RTM_IEEE80211_SCAN:
685 case RTM_IEEE80211_LEAVE:
686 leave = (struct ieee80211_leave_event *) &ifan[1];
687 drv_event_disassoc(drv->hapd, leave->iev_addr);
689 case RTM_IEEE80211_JOIN:
690 #ifdef RTM_IEEE80211_REJOIN
691 case RTM_IEEE80211_REJOIN:
693 join = (struct ieee80211_join_event *) &ifan[1];
694 bsd_new_sta(drv, join->iev_addr);
696 case RTM_IEEE80211_REPLAY:
699 case RTM_IEEE80211_MICHAEL:
700 mic = (struct ieee80211_michael_event *) &ifan[1];
701 wpa_printf(MSG_DEBUG,
702 "Michael MIC failure wireless event: "
703 "keyix=%u src_addr=" MACSTR, mic->iev_keyix,
704 MAC2STR(mic->iev_src));
705 os_memset(&data, 0, sizeof(data));
706 data.michael_mic_failure.unicast = 1;
707 data.michael_mic_failure.src = mic->iev_src;
708 wpa_supplicant_event(drv->hapd,
709 EVENT_MICHAEL_MIC_FAILURE, &data);
717 bsd_wireless_event_init(struct bsd_driver_data *drv)
723 s = socket(PF_ROUTE, SOCK_RAW, 0);
725 perror("socket(PF_ROUTE,SOCK_RAW)");
728 eloop_register_read_sock(s, bsd_wireless_event_receive, drv, NULL);
735 bsd_wireless_event_deinit(struct bsd_driver_data *drv)
737 if (drv->wext_sock < 0)
739 eloop_unregister_read_sock(drv->wext_sock);
740 close(drv->wext_sock);
745 bsd_send_eapol(void *priv, const u8 *addr, const u8 *data, size_t data_len,
746 int encrypt, const u8 *own_addr)
748 struct bsd_driver_data *drv = priv;
750 struct l2_ethhdr *eth;
755 * Prepend the Ethernet header. If the caller left us
756 * space at the front we could just insert it but since
757 * we don't know we copy to a local buffer. Given the frequency
758 * and size of frames this probably doesn't matter.
760 len = data_len + sizeof(struct l2_ethhdr);
763 wpa_printf(MSG_ERROR, "malloc() failed for bsd_send_eapol"
764 "(len=%lu)", (unsigned long) len);
767 eth = (struct l2_ethhdr *) bp;
768 os_memcpy(eth->h_dest, addr, ETH_ALEN);
769 os_memcpy(eth->h_source, own_addr, ETH_ALEN);
770 eth->h_proto = htons(ETH_P_EAPOL);
771 os_memcpy(eth + 1, data, data_len);
773 wpa_hexdump(MSG_MSGDUMP, "TX EAPOL", bp, len);
775 status = l2_packet_send(drv->sock_xmit, addr, ETH_P_EAPOL, bp, len);
782 handle_read(void *ctx, const u8 *src_addr, const u8 *buf, size_t len)
784 struct bsd_driver_data *drv = ctx;
785 drv_event_eapol_rx(drv->hapd, src_addr, buf + sizeof(struct l2_ethhdr),
786 len - sizeof(struct l2_ethhdr));
790 hostapd_bsd_get_ssid(const char *ifname, void *priv, u8 *buf, int len)
792 struct bsd_driver_data *drv = priv;
795 ssid_len = bsd_get_ssid(drv->ioctl_sock, drv->iface, buf);
796 wpa_printf(MSG_DEBUG, "%s: ssid=\"%.*s\"", __func__, ssid_len, buf);
802 hostapd_bsd_set_ssid(const char *ifname, void *priv, const u8 *buf, int len)
804 struct bsd_driver_data *drv = priv;
806 wpa_printf(MSG_DEBUG, "%s: ssid=\"%.*s\"", __func__, len, buf);
808 return bsd_set_ssid(drv->ioctl_sock, drv->iface, buf, len);
812 bsd_set_freq(void *priv, struct hostapd_freq_params *freq)
814 struct bsd_driver_data *drv = priv;
815 struct ieee80211chanreq creq;
818 if (freq->channel < 14)
819 mode = IFM_IEEE80211_11G;
820 else if (freq->channel == 14)
821 mode = IFM_IEEE80211_11B;
823 mode = IFM_IEEE80211_11A;
824 if (bsd_set_mediaopt(drv->ioctl_sock, drv->iface, IFM_MMASK,
826 wpa_printf(MSG_ERROR, "%s: failed to set modulation mode",
831 os_memset(&creq, 0, sizeof(creq));
832 os_strlcpy(creq.i_name, drv->iface, sizeof(creq.i_name));
833 creq.i_channel = freq->channel;
834 return ioctl(drv->ioctl_sock, SIOCS80211CHANNEL, &creq);
838 bsd_init(struct hostapd_data *hapd, struct wpa_init_params *params)
840 struct bsd_driver_data *drv;
842 drv = os_zalloc(sizeof(struct bsd_driver_data));
844 printf("Could not allocate memory for bsd driver data\n");
849 drv->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
850 if (drv->ioctl_sock < 0) {
851 perror("socket[PF_INET,SOCK_DGRAM]");
854 memcpy(drv->iface, params->ifname, sizeof(drv->iface));
856 drv->sock_xmit = l2_packet_init(drv->iface, NULL, ETH_P_EAPOL,
857 handle_read, drv, 1);
858 if (drv->sock_xmit == NULL)
860 if (l2_packet_get_own_addr(drv->sock_xmit, params->own_addr))
863 bsd_set_iface_flags(drv, 0); /* mark down during setup */
864 if (bsd_wireless_event_init(drv))
867 if (bsd_set_mediaopt(drv->ioctl_sock, drv->iface, IFM_OMASK,
868 IFM_IEEE80211_HOSTAP) < 0) {
869 wpa_printf(MSG_ERROR, "%s: failed to set operation mode",
876 if (drv->sock_xmit != NULL)
877 l2_packet_deinit(drv->sock_xmit);
878 if (drv->ioctl_sock >= 0)
879 close(drv->ioctl_sock);
887 bsd_deinit(void *priv)
889 struct bsd_driver_data *drv = priv;
891 bsd_wireless_event_deinit(drv);
892 (void) bsd_set_iface_flags(drv, 0);
893 if (drv->ioctl_sock >= 0)
894 close(drv->ioctl_sock);
895 if (drv->sock_xmit != NULL)
896 l2_packet_deinit(drv->sock_xmit);
900 const struct wpa_driver_ops wpa_driver_bsd_ops = {
902 .hapd_init = bsd_init,
903 .hapd_deinit = bsd_deinit,
904 .set_ieee8021x = bsd_set_ieee8021x,
905 .set_privacy = bsd_set_privacy,
906 .set_key = bsd_set_key,
907 .get_seqnum = bsd_get_seqnum,
909 .set_generic_elem = bsd_set_opt_ie,
910 .sta_set_flags = bsd_sta_set_flags,
911 .read_sta_data = bsd_read_sta_driver_data,
912 .hapd_send_eapol = bsd_send_eapol,
913 .sta_disassoc = bsd_sta_disassoc,
914 .sta_deauth = bsd_sta_deauth,
915 .hapd_set_ssid = hostapd_bsd_set_ssid,
916 .hapd_get_ssid = hostapd_bsd_get_ssid,
917 .set_freq = bsd_set_freq,
922 struct wpa_driver_bsd_data {
923 int sock; /* open socket for 802.11 ioctls */
924 int route; /* routing socket for events */
925 char ifname[IFNAMSIZ+1]; /* interface name */
926 unsigned int ifindex; /* interface index */
928 int prev_roaming; /* roaming state to restore on deinit */
929 int prev_privacy; /* privacy state to restore on deinit */
930 int prev_wpa; /* wpa state to restore on deinit */
934 set80211var(struct wpa_driver_bsd_data *drv, int op, const void *arg, int arg_len)
936 return bsd_set80211var(drv->sock, drv->ifname, op, arg, arg_len);
940 get80211var(struct wpa_driver_bsd_data *drv, int op, void *arg, int arg_len)
942 return bsd_get80211var(drv->sock, drv->ifname, op, arg, arg_len);
946 set80211param(struct wpa_driver_bsd_data *drv, int op, int arg)
948 return bsd_set80211param(drv->sock, drv->ifname, op, arg);
952 get80211param(struct wpa_driver_bsd_data *drv, int op)
954 struct ieee80211req ireq;
956 os_memset(&ireq, 0, sizeof(ireq));
957 os_strlcpy(ireq.i_name, drv->ifname, sizeof(ireq.i_name));
960 if (ioctl(drv->sock, SIOCG80211, &ireq) < 0) {
961 fprintf(stderr, "ioctl[SIOCG80211, op %u]: %s\n",
962 op, strerror(errno));
969 getifflags(struct wpa_driver_bsd_data *drv, int *flags)
973 os_memset(&ifr, 0, sizeof(ifr));
974 os_strlcpy(ifr.ifr_name, drv->ifname, sizeof(ifr.ifr_name));
975 if (ioctl(drv->sock, SIOCGIFFLAGS, (caddr_t)&ifr) < 0) {
976 perror("SIOCGIFFLAGS");
979 *flags = ifr.ifr_flags & 0xffff;
984 setifflags(struct wpa_driver_bsd_data *drv, int flags)
988 os_memset(&ifr, 0, sizeof(ifr));
989 os_strlcpy(ifr.ifr_name, drv->ifname, sizeof(ifr.ifr_name));
990 ifr.ifr_flags = flags & 0xffff;
991 if (ioctl(drv->sock, SIOCSIFFLAGS, (caddr_t)&ifr) < 0) {
992 perror("SIOCSIFFLAGS");
999 wpa_driver_bsd_get_bssid(void *priv, u8 *bssid)
1001 struct wpa_driver_bsd_data *drv = priv;
1002 #ifdef SIOCG80211BSSID
1003 struct ieee80211_bssid bs;
1005 os_strncpy(bs.i_name, drv->ifname, sizeof(bs.i_name));
1006 if (ioctl(drv->sock, SIOCG80211BSSID, &bs) < 0)
1008 os_memcpy(bssid, bs.i_bssid, sizeof(bs.i_bssid));
1011 return get80211var(drv, IEEE80211_IOC_BSSID,
1012 bssid, IEEE80211_ADDR_LEN) < 0 ? -1 : 0;
1018 wpa_driver_bsd_set_bssid(void *priv, const char *bssid)
1020 struct wpa_driver_bsd_data *drv = priv;
1022 return set80211var(drv, IEEE80211_IOC_BSSID,
1023 bssid, IEEE80211_ADDR_LEN);
1028 wpa_driver_bsd_get_ssid(void *priv, u8 *ssid)
1030 struct wpa_driver_bsd_data *drv = priv;
1032 return bsd_get_ssid(drv->sock, drv->ifname, ssid);
1036 wpa_driver_bsd_set_ssid(void *priv, const u8 *ssid,
1039 struct wpa_driver_bsd_data *drv = priv;
1041 return bsd_set_ssid(drv->sock, drv->ifname, ssid, ssid_len);
1045 wpa_driver_bsd_set_wpa_ie(struct wpa_driver_bsd_data *drv,
1046 const u8 *wpa_ie, size_t wpa_ie_len)
1048 #ifdef IEEE80211_IOC_APPIE
1049 return set80211var(drv, IEEE80211_IOC_APPIE, wpa_ie, wpa_ie_len);
1050 #else /* IEEE80211_IOC_APPIE */
1051 return set80211var(drv, IEEE80211_IOC_OPTIE, wpa_ie, wpa_ie_len);
1052 #endif /* IEEE80211_IOC_APPIE */
1056 wpa_driver_bsd_set_wpa_internal(void *priv, int wpa, int privacy)
1058 struct wpa_driver_bsd_data *drv = priv;
1061 wpa_printf(MSG_DEBUG, "%s: wpa=%d privacy=%d",
1062 __FUNCTION__, wpa, privacy);
1064 if (!wpa && wpa_driver_bsd_set_wpa_ie(drv, NULL, 0) < 0)
1066 if (set80211param(drv, IEEE80211_IOC_PRIVACY, privacy) < 0)
1068 if (set80211param(drv, IEEE80211_IOC_WPA, wpa) < 0)
1075 wpa_driver_bsd_set_wpa(void *priv, int enabled)
1077 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __FUNCTION__, enabled);
1079 return wpa_driver_bsd_set_wpa_internal(priv, enabled ? 3 : 0, enabled);
1083 wpa_driver_bsd_del_key(struct wpa_driver_bsd_data *drv, int key_idx,
1084 const unsigned char *addr)
1086 struct ieee80211req_del_key wk;
1088 os_memset(&wk, 0, sizeof(wk));
1090 bcmp(addr, "\xff\xff\xff\xff\xff\xff", IEEE80211_ADDR_LEN) != 0) {
1091 struct ether_addr ea;
1093 os_memcpy(&ea, addr, IEEE80211_ADDR_LEN);
1094 wpa_printf(MSG_DEBUG, "%s: addr=%s keyidx=%d",
1095 __func__, ether_ntoa(&ea), key_idx);
1096 os_memcpy(wk.idk_macaddr, addr, IEEE80211_ADDR_LEN);
1097 wk.idk_keyix = (uint8_t) IEEE80211_KEYIX_NONE;
1099 wpa_printf(MSG_DEBUG, "%s: keyidx=%d", __func__, key_idx);
1100 wk.idk_keyix = key_idx;
1102 return set80211var(drv, IEEE80211_IOC_DELKEY, &wk, sizeof(wk));
1106 wpa_driver_bsd_set_key(const char *ifname, void *priv, enum wpa_alg alg,
1107 const unsigned char *addr, int key_idx, int set_tx,
1108 const u8 *seq, size_t seq_len,
1109 const u8 *key, size_t key_len)
1111 struct wpa_driver_bsd_data *drv = priv;
1112 struct ieee80211req_key wk;
1113 struct ether_addr ea;
1117 if (alg == WPA_ALG_NONE)
1118 return wpa_driver_bsd_del_key(drv, key_idx, addr);
1123 cipher = IEEE80211_CIPHER_WEP;
1127 cipher = IEEE80211_CIPHER_TKIP;
1131 cipher = IEEE80211_CIPHER_AES_CCM;
1134 wpa_printf(MSG_DEBUG, "%s: unknown/unsupported algorithm %d",
1139 os_memcpy(&ea, addr, IEEE80211_ADDR_LEN);
1140 wpa_printf(MSG_DEBUG,
1141 "%s: alg=%s addr=%s key_idx=%d set_tx=%d seq_len=%zu key_len=%zu",
1142 __func__, alg_name, ether_ntoa(&ea), key_idx, set_tx,
1145 if (seq_len > sizeof(u_int64_t)) {
1146 wpa_printf(MSG_DEBUG, "%s: seq_len %zu too big",
1150 if (key_len > sizeof(wk.ik_keydata)) {
1151 wpa_printf(MSG_DEBUG, "%s: key length %zu too big",
1156 os_memset(&wk, 0, sizeof(wk));
1157 wk.ik_type = cipher;
1158 wk.ik_flags = IEEE80211_KEY_RECV;
1160 wk.ik_flags |= IEEE80211_KEY_XMIT;
1161 os_memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
1163 * Deduce whether group/global or unicast key by checking
1164 * the address (yech). Note also that we can only mark global
1165 * keys default; doing this for a unicast key is an error.
1167 if (bcmp(addr, "\xff\xff\xff\xff\xff\xff", IEEE80211_ADDR_LEN) == 0) {
1168 wk.ik_flags |= IEEE80211_KEY_GROUP;
1169 wk.ik_keyix = key_idx;
1171 wk.ik_keyix = (key_idx == 0 ? IEEE80211_KEYIX_NONE : key_idx);
1173 if (wk.ik_keyix != IEEE80211_KEYIX_NONE && set_tx)
1174 wk.ik_flags |= IEEE80211_KEY_DEFAULT;
1175 wk.ik_keylen = key_len;
1176 os_memcpy(&wk.ik_keyrsc, seq, seq_len);
1177 os_memcpy(wk.ik_keydata, key, key_len);
1179 return set80211var(drv, IEEE80211_IOC_WPAKEY, &wk, sizeof(wk));
1183 wpa_driver_bsd_set_countermeasures(void *priv, int enabled)
1185 struct wpa_driver_bsd_data *drv = priv;
1187 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled);
1188 return set80211param(drv, IEEE80211_IOC_COUNTERMEASURES, enabled);
1193 wpa_driver_bsd_set_drop_unencrypted(void *priv, int enabled)
1195 struct wpa_driver_bsd_data *drv = priv;
1197 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled);
1198 return set80211param(drv, IEEE80211_IOC_DROPUNENCRYPTED, enabled);
1202 wpa_driver_bsd_deauthenticate(void *priv, const u8 *addr, int reason_code)
1204 struct wpa_driver_bsd_data *drv = priv;
1205 struct ieee80211req_mlme mlme;
1207 wpa_printf(MSG_DEBUG, "%s", __func__);
1208 os_memset(&mlme, 0, sizeof(mlme));
1209 mlme.im_op = IEEE80211_MLME_DEAUTH;
1210 mlme.im_reason = reason_code;
1211 os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
1212 return set80211var(drv, IEEE80211_IOC_MLME, &mlme, sizeof(mlme));
1216 wpa_driver_bsd_disassociate(void *priv, const u8 *addr, int reason_code)
1218 struct wpa_driver_bsd_data *drv = priv;
1219 struct ieee80211req_mlme mlme;
1221 wpa_printf(MSG_DEBUG, "%s", __func__);
1222 os_memset(&mlme, 0, sizeof(mlme));
1223 mlme.im_op = IEEE80211_MLME_DISASSOC;
1224 mlme.im_reason = reason_code;
1225 os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
1226 return set80211var(drv, IEEE80211_IOC_MLME, &mlme, sizeof(mlme));
1230 wpa_driver_bsd_set_auth_alg(void *priv, int auth_alg)
1232 struct wpa_driver_bsd_data *drv = priv;
1235 if ((auth_alg & WPA_AUTH_ALG_OPEN) &&
1236 (auth_alg & WPA_AUTH_ALG_SHARED))
1237 authmode = IEEE80211_AUTH_AUTO;
1238 else if (auth_alg & WPA_AUTH_ALG_SHARED)
1239 authmode = IEEE80211_AUTH_SHARED;
1241 authmode = IEEE80211_AUTH_OPEN;
1243 return set80211param(drv, IEEE80211_IOC_AUTHMODE, authmode);
1247 wpa_driver_bsd_associate(void *priv, struct wpa_driver_associate_params *params)
1249 struct wpa_driver_bsd_data *drv = priv;
1250 struct ieee80211req_mlme mlme;
1254 wpa_printf(MSG_DEBUG,
1255 "%s: ssid '%.*s' wpa ie len %u pairwise %u group %u key mgmt %u"
1257 , (unsigned int) params->ssid_len, params->ssid
1258 , (unsigned int) params->wpa_ie_len
1259 , params->pairwise_suite
1260 , params->group_suite
1261 , params->key_mgmt_suite
1264 if (wpa_driver_bsd_set_drop_unencrypted(drv, params->drop_unencrypted)
1267 if (wpa_driver_bsd_set_auth_alg(drv, params->auth_alg) < 0)
1269 /* XXX error handling is wrong but unclear what to do... */
1270 if (wpa_driver_bsd_set_wpa_ie(drv, params->wpa_ie, params->wpa_ie_len) < 0)
1273 privacy = !(params->pairwise_suite == CIPHER_NONE &&
1274 params->group_suite == CIPHER_NONE &&
1275 params->key_mgmt_suite == KEY_MGMT_NONE &&
1276 params->wpa_ie_len == 0);
1277 wpa_printf(MSG_DEBUG, "%s: set PRIVACY %u", __func__, privacy);
1279 if (set80211param(drv, IEEE80211_IOC_PRIVACY, privacy) < 0)
1282 if (params->wpa_ie_len &&
1283 set80211param(drv, IEEE80211_IOC_WPA,
1284 params->wpa_ie[0] == WLAN_EID_RSN ? 2 : 1) < 0)
1287 os_memset(&mlme, 0, sizeof(mlme));
1288 mlme.im_op = IEEE80211_MLME_ASSOC;
1289 if (params->ssid != NULL)
1290 os_memcpy(mlme.im_ssid, params->ssid, params->ssid_len);
1291 mlme.im_ssid_len = params->ssid_len;
1292 if (params->bssid != NULL)
1293 os_memcpy(mlme.im_macaddr, params->bssid, IEEE80211_ADDR_LEN);
1294 if (set80211var(drv, IEEE80211_IOC_MLME, &mlme, sizeof(mlme)) < 0)
1300 wpa_driver_bsd_scan(void *priv, struct wpa_driver_scan_params *params)
1302 struct wpa_driver_bsd_data *drv = priv;
1304 const u8 *ssid = params->ssids[0].ssid;
1305 size_t ssid_len = params->ssids[0].ssid_len;
1307 /* NB: interface must be marked UP to do a scan */
1308 if (getifflags(drv, &flags) != 0 || setifflags(drv, flags | IFF_UP) != 0)
1311 /* set desired ssid before scan */
1312 if (wpa_driver_bsd_set_ssid(drv, ssid, ssid_len) < 0)
1315 /* NB: net80211 delivers a scan complete event so no need to poll */
1316 return set80211param(drv, IEEE80211_IOC_SCAN_REQ, 0);
1320 wpa_driver_bsd_event_receive(int sock, void *ctx, void *sock_ctx)
1322 struct wpa_driver_bsd_data *drv = sock_ctx;
1324 struct if_announcemsghdr *ifan;
1325 struct if_msghdr *ifm;
1326 struct rt_msghdr *rtm;
1327 union wpa_event_data event;
1328 struct ieee80211_michael_event *mic;
1331 n = read(sock, buf, sizeof(buf));
1333 if (errno != EINTR && errno != EAGAIN)
1334 perror("read(PF_ROUTE)");
1338 rtm = (struct rt_msghdr *) buf;
1339 if (rtm->rtm_version != RTM_VERSION) {
1340 wpa_printf(MSG_DEBUG, "Routing message version %d not "
1341 "understood\n", rtm->rtm_version);
1344 os_memset(&event, 0, sizeof(event));
1345 switch (rtm->rtm_type) {
1346 case RTM_IFANNOUNCE:
1347 ifan = (struct if_announcemsghdr *) rtm;
1348 if (ifan->ifan_index != drv->ifindex)
1350 strlcpy(event.interface_status.ifname, drv->ifname,
1351 sizeof(event.interface_status.ifname));
1352 switch (ifan->ifan_what) {
1353 case IFAN_DEPARTURE:
1354 event.interface_status.ievent = EVENT_INTERFACE_REMOVED;
1358 wpa_printf(MSG_DEBUG, "RTM_IFANNOUNCE: Interface '%s' %s",
1359 event.interface_status.ifname,
1360 ifan->ifan_what == IFAN_DEPARTURE ?
1361 "removed" : "added");
1362 wpa_supplicant_event(ctx, EVENT_INTERFACE_STATUS, &event);
1365 ifan = (struct if_announcemsghdr *) rtm;
1366 if (ifan->ifan_index != drv->ifindex)
1368 switch (ifan->ifan_what) {
1369 case RTM_IEEE80211_ASSOC:
1370 case RTM_IEEE80211_REASSOC:
1371 wpa_supplicant_event(ctx, EVENT_ASSOC, NULL);
1373 case RTM_IEEE80211_DISASSOC:
1374 wpa_supplicant_event(ctx, EVENT_DISASSOC, NULL);
1376 case RTM_IEEE80211_SCAN:
1377 wpa_supplicant_event(ctx, EVENT_SCAN_RESULTS, NULL);
1379 case RTM_IEEE80211_REPLAY:
1382 case RTM_IEEE80211_MICHAEL:
1383 mic = (struct ieee80211_michael_event *) &ifan[1];
1384 wpa_printf(MSG_DEBUG,
1385 "Michael MIC failure wireless event: "
1386 "keyix=%u src_addr=" MACSTR, mic->iev_keyix,
1387 MAC2STR(mic->iev_src));
1389 os_memset(&event, 0, sizeof(event));
1390 event.michael_mic_failure.unicast =
1391 !IEEE80211_IS_MULTICAST(mic->iev_dst);
1392 wpa_supplicant_event(ctx, EVENT_MICHAEL_MIC_FAILURE,
1398 ifm = (struct if_msghdr *) rtm;
1399 if (ifm->ifm_index != drv->ifindex)
1401 if ((rtm->rtm_flags & RTF_UP) == 0) {
1402 strlcpy(event.interface_status.ifname, drv->ifname,
1403 sizeof(event.interface_status.ifname));
1404 event.interface_status.ievent = EVENT_INTERFACE_REMOVED;
1405 wpa_printf(MSG_DEBUG, "RTM_IFINFO: Interface '%s' DOWN",
1406 event.interface_status.ifname);
1407 wpa_supplicant_event(ctx, EVENT_INTERFACE_STATUS, &event);
1414 wpa_driver_bsd_add_scan_entry(struct wpa_scan_results *res,
1415 struct ieee80211req_scan_result *sr)
1417 struct wpa_scan_res *result, **tmp;
1421 extra_len = 2 + sr->isr_ssid_len;
1422 extra_len += 2 + sr->isr_nrates;
1423 extra_len += 3; /* ERP IE */
1424 extra_len += sr->isr_ie_len;
1426 result = os_zalloc(sizeof(*result) + extra_len);
1429 os_memcpy(result->bssid, sr->isr_bssid, ETH_ALEN);
1430 result->freq = sr->isr_freq;
1431 result->beacon_int = sr->isr_intval;
1432 result->caps = sr->isr_capinfo;
1433 result->qual = sr->isr_rssi;
1434 result->noise = sr->isr_noise;
1436 pos = (u8 *)(result + 1);
1438 *pos++ = WLAN_EID_SSID;
1439 *pos++ = sr->isr_ssid_len;
1440 os_memcpy(pos, sr + 1, sr->isr_ssid_len);
1441 pos += sr->isr_ssid_len;
1444 * Deal all rates as supported rate.
1445 * Because net80211 doesn't report extended supported rate or not.
1447 *pos++ = WLAN_EID_SUPP_RATES;
1448 *pos++ = sr->isr_nrates;
1449 os_memcpy(pos, sr->isr_rates, sr->isr_nrates);
1450 pos += sr->isr_nrates;
1452 *pos++ = WLAN_EID_ERP_INFO;
1454 *pos++ = sr->isr_erp;
1456 os_memcpy(pos, (u8 *)(sr + 1) + sr->isr_ssid_len, sr->isr_ie_len);
1457 pos += sr->isr_ie_len;
1459 result->ie_len = pos - (u8 *)(result + 1);
1461 tmp = os_realloc(res->res,
1462 (res->num + 1) * sizeof(struct wpa_scan_res *));
1467 tmp[res->num++] = result;
1471 struct wpa_scan_results *
1472 wpa_driver_bsd_get_scan_results2(void *priv)
1474 struct wpa_driver_bsd_data *drv = priv;
1475 struct ieee80211req_scan_result *sr;
1476 struct wpa_scan_results *res;
1478 uint8_t buf[24*1024], *pos;
1480 len = get80211var(drv, IEEE80211_IOC_SCAN_RESULTS, buf, 24*1024);
1484 res = os_zalloc(sizeof(*res));
1490 while (rest >= sizeof(struct ieee80211req_scan_result)) {
1491 sr = (struct ieee80211req_scan_result *)pos;
1492 wpa_driver_bsd_add_scan_entry(res, sr);
1494 rest -= sr->isr_len;
1497 wpa_printf(MSG_DEBUG, "Received %d bytes of scan results (%lu BSSes)",
1498 len, (unsigned long)res->num);
1504 wpa_driver_bsd_init(void *ctx, const char *ifname)
1506 #define GETPARAM(drv, param, v) \
1507 (((v) = get80211param(drv, param)) != -1)
1508 struct wpa_driver_bsd_data *drv;
1510 drv = os_zalloc(sizeof(*drv));
1514 * NB: We require the interface name be mappable to an index.
1515 * This implies we do not support having wpa_supplicant
1516 * wait for an interface to appear. This seems ok; that
1517 * doesn't belong here; it's really the job of devd.
1519 drv->ifindex = if_nametoindex(ifname);
1520 if (drv->ifindex == 0) {
1521 wpa_printf(MSG_DEBUG, "%s: interface %s does not exist",
1525 drv->sock = socket(PF_INET, SOCK_DGRAM, 0);
1528 drv->route = socket(PF_ROUTE, SOCK_RAW, 0);
1531 eloop_register_read_sock(drv->route,
1532 wpa_driver_bsd_event_receive, ctx, drv);
1535 os_strlcpy(drv->ifname, ifname, sizeof(drv->ifname));
1537 if (!GETPARAM(drv, IEEE80211_IOC_ROAMING, drv->prev_roaming)) {
1538 wpa_printf(MSG_DEBUG, "%s: failed to get roaming state: %s",
1539 __func__, strerror(errno));
1542 if (!GETPARAM(drv, IEEE80211_IOC_PRIVACY, drv->prev_privacy)) {
1543 wpa_printf(MSG_DEBUG, "%s: failed to get privacy state: %s",
1544 __func__, strerror(errno));
1547 if (!GETPARAM(drv, IEEE80211_IOC_WPA, drv->prev_wpa)) {
1548 wpa_printf(MSG_DEBUG, "%s: failed to get wpa state: %s",
1549 __func__, strerror(errno));
1553 if (bsd_set_mediaopt(drv->sock, drv->ifname, IFM_OMASK,
1555 wpa_printf(MSG_ERROR, "%s: failed to set operation mode",
1559 if (set80211param(drv, IEEE80211_IOC_ROAMING, IEEE80211_ROAMING_MANUAL) < 0) {
1560 wpa_printf(MSG_DEBUG, "%s: failed to set wpa_supplicant-based "
1561 "roaming: %s", __func__, strerror(errno));
1565 if (set80211param(drv, IEEE80211_IOC_WPA, 1+2) < 0) {
1566 wpa_printf(MSG_DEBUG, "%s: failed to enable WPA support %s",
1567 __func__, strerror(errno));
1571 wpa_driver_bsd_set_wpa(drv, 1);
1583 wpa_driver_bsd_deinit(void *priv)
1585 struct wpa_driver_bsd_data *drv = priv;
1588 wpa_driver_bsd_set_wpa(drv, 0);
1589 eloop_unregister_read_sock(drv->route);
1591 /* NB: mark interface down */
1592 if (getifflags(drv, &flags) == 0)
1593 (void) setifflags(drv, flags &~ IFF_UP);
1595 wpa_driver_bsd_set_wpa_internal(drv, drv->prev_wpa, drv->prev_privacy);
1596 if (set80211param(drv, IEEE80211_IOC_ROAMING, drv->prev_roaming) < 0)
1597 wpa_printf(MSG_DEBUG, "%s: failed to restore roaming state",
1600 (void) close(drv->route); /* ioctl socket */
1601 (void) close(drv->sock); /* event socket */
1606 const struct wpa_driver_ops wpa_driver_bsd_ops = {
1608 .desc = "BSD 802.11 support",
1609 .init = wpa_driver_bsd_init,
1610 .deinit = wpa_driver_bsd_deinit,
1611 .get_bssid = wpa_driver_bsd_get_bssid,
1612 .get_ssid = wpa_driver_bsd_get_ssid,
1613 .set_key = wpa_driver_bsd_set_key,
1614 .set_countermeasures = wpa_driver_bsd_set_countermeasures,
1615 .scan2 = wpa_driver_bsd_scan,
1616 .get_scan_results2 = wpa_driver_bsd_get_scan_results2,
1617 .deauthenticate = wpa_driver_bsd_deauthenticate,
1618 .disassociate = wpa_driver_bsd_disassociate,
1619 .associate = wpa_driver_bsd_associate,
1622 #endif /* HOSTAPD */