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 software may be distributed under the terms of the BSD license.
7 * See README for more details.
11 #include <sys/ioctl.h>
12 #include <sys/sysctl.h>
17 #include "common/ieee802_11_defs.h"
18 #include "common/wpa_common.h"
21 #include <net/if_media.h>
24 #include <net/if_ether.h>
26 #include <net/ethernet.h>
28 #include <net/route.h>
31 #include <netproto/802_11/ieee80211_ioctl.h>
32 #include <netproto/802_11/ieee80211_dragonfly.h>
33 #else /* __DragonFly__ */
35 #include <netinet/ether.h>
36 #endif /* __GLIBC__ */
37 #include <net80211/ieee80211.h>
38 #include <net80211/ieee80211_ioctl.h>
39 #include <net80211/ieee80211_crypto.h>
40 #endif /* __DragonFly__ || __GLIBC__ */
41 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
42 #include <net80211/ieee80211_freebsd.h>
45 #include <net80211/ieee80211_netbsd.h>
48 #include "l2_packet/l2_packet.h"
50 struct bsd_driver_data {
51 struct hostapd_data *hapd; /* back pointer */
53 int sock; /* open socket for 802.11 ioctls */
54 struct l2_packet_data *sock_xmit;/* raw packet xmit socket */
55 int route; /* routing socket for events */
56 char ifname[IFNAMSIZ+1]; /* interface name */
57 unsigned int ifindex; /* interface index */
59 struct wpa_driver_capa capa; /* driver capability */
60 int is_ap; /* Access point mode */
61 int prev_roaming; /* roaming state to restore on deinit */
62 int prev_privacy; /* privacy state to restore on deinit */
63 int prev_wpa; /* wpa state to restore on deinit */
64 enum ieee80211_opmode opmode; /* operation mode */
69 /* Generic functions for hostapd and wpa_supplicant */
71 bsd_set80211(void *priv, int op, int val, const void *arg, int arg_len)
73 struct bsd_driver_data *drv = priv;
74 struct ieee80211req ireq;
76 os_memset(&ireq, 0, sizeof(ireq));
77 os_strlcpy(ireq.i_name, drv->ifname, sizeof(ireq.i_name));
80 ireq.i_data = (void *) arg;
83 if (ioctl(drv->sock, SIOCS80211, &ireq) < 0) {
84 wpa_printf(MSG_ERROR, "ioctl[SIOCS80211, op=%u, val=%u, "
85 "arg_len=%u]: %s", op, val, arg_len,
93 bsd_get80211(void *priv, struct ieee80211req *ireq, int op, void *arg,
96 struct bsd_driver_data *drv = priv;
98 os_memset(ireq, 0, sizeof(*ireq));
99 os_strlcpy(ireq->i_name, drv->ifname, sizeof(ireq->i_name));
101 ireq->i_len = arg_len;
104 if (ioctl(drv->sock, SIOCG80211, ireq) < 0) {
105 wpa_printf(MSG_ERROR, "ioctl[SIOCS80211, op=%u, "
106 "arg_len=%u]: %s", op, arg_len, strerror(errno));
113 get80211var(struct bsd_driver_data *drv, int op, void *arg, int arg_len)
115 struct ieee80211req ireq;
117 if (bsd_get80211(drv, &ireq, op, arg, arg_len) < 0)
123 set80211var(struct bsd_driver_data *drv, int op, const void *arg, int arg_len)
125 return bsd_set80211(drv, op, 0, arg, arg_len);
129 set80211param(struct bsd_driver_data *drv, int op, int arg)
131 return bsd_set80211(drv, op, arg, NULL, 0);
135 bsd_get_ssid(void *priv, u8 *ssid, int len)
137 struct bsd_driver_data *drv = priv;
138 #ifdef SIOCG80211NWID
139 struct ieee80211_nwid nwid;
142 os_memset(&ifr, 0, sizeof(ifr));
143 os_strlcpy(ifr.ifr_name, drv->ifname, sizeof(ifr.ifr_name));
144 ifr.ifr_data = (void *)&nwid;
145 if (ioctl(drv->sock, SIOCG80211NWID, &ifr) < 0 ||
146 nwid.i_len > IEEE80211_NWID_LEN)
148 os_memcpy(ssid, nwid.i_nwid, nwid.i_len);
151 return get80211var(drv, IEEE80211_IOC_SSID, ssid, IEEE80211_NWID_LEN);
156 bsd_set_ssid(void *priv, const u8 *ssid, int ssid_len)
158 struct bsd_driver_data *drv = priv;
159 #ifdef SIOCS80211NWID
160 struct ieee80211_nwid nwid;
163 os_memcpy(nwid.i_nwid, ssid, ssid_len);
164 nwid.i_len = ssid_len;
165 os_memset(&ifr, 0, sizeof(ifr));
166 os_strlcpy(ifr.ifr_name, drv->ifname, sizeof(ifr.ifr_name));
167 ifr.ifr_data = (void *)&nwid;
168 return ioctl(drv->sock, SIOCS80211NWID, &ifr);
170 return set80211var(drv, IEEE80211_IOC_SSID, ssid, ssid_len);
175 bsd_get_if_media(void *priv)
177 struct bsd_driver_data *drv = priv;
178 struct ifmediareq ifmr;
180 os_memset(&ifmr, 0, sizeof(ifmr));
181 os_strlcpy(ifmr.ifm_name, drv->ifname, sizeof(ifmr.ifm_name));
183 if (ioctl(drv->sock, SIOCGIFMEDIA, &ifmr) < 0) {
184 wpa_printf(MSG_ERROR, "%s: SIOCGIFMEDIA %s", __func__,
189 return ifmr.ifm_current;
193 bsd_set_if_media(void *priv, int media)
195 struct bsd_driver_data *drv = priv;
198 os_memset(&ifr, 0, sizeof(ifr));
199 os_strlcpy(ifr.ifr_name, drv->ifname, sizeof(ifr.ifr_name));
200 ifr.ifr_media = media;
202 if (ioctl(drv->sock, SIOCSIFMEDIA, &ifr) < 0) {
203 wpa_printf(MSG_ERROR, "%s: SIOCSIFMEDIA %s", __func__,
212 bsd_set_mediaopt(void *priv, uint32_t mask, uint32_t mode)
214 int media = bsd_get_if_media(priv);
220 if (bsd_set_if_media(priv, media) < 0)
226 bsd_del_key(void *priv, const u8 *addr, int key_idx)
228 struct ieee80211req_del_key wk;
230 os_memset(&wk, 0, sizeof(wk));
232 wpa_printf(MSG_DEBUG, "%s: key_idx=%d", __func__, key_idx);
233 wk.idk_keyix = key_idx;
235 wpa_printf(MSG_DEBUG, "%s: addr=" MACSTR, __func__,
237 os_memcpy(wk.idk_macaddr, addr, IEEE80211_ADDR_LEN);
238 wk.idk_keyix = (u_int8_t) IEEE80211_KEYIX_NONE; /* XXX */
241 return set80211var(priv, IEEE80211_IOC_DELKEY, &wk, sizeof(wk));
245 bsd_send_mlme_param(void *priv, const u8 op, const u16 reason, const u8 *addr)
247 struct ieee80211req_mlme mlme;
249 os_memset(&mlme, 0, sizeof(mlme));
251 mlme.im_reason = reason;
252 os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
253 return set80211var(priv, IEEE80211_IOC_MLME, &mlme, sizeof(mlme));
257 bsd_ctrl_iface(void *priv, int enable)
259 struct bsd_driver_data *drv = priv;
262 os_memset(&ifr, 0, sizeof(ifr));
263 os_strlcpy(ifr.ifr_name, drv->ifname, sizeof(ifr.ifr_name));
265 if (ioctl(drv->sock, SIOCGIFFLAGS, &ifr) < 0) {
266 wpa_printf(MSG_ERROR, "ioctl[SIOCGIFFLAGS]: %s",
272 if (ifr.ifr_flags & IFF_UP)
274 ifr.ifr_flags |= IFF_UP;
276 if (!(ifr.ifr_flags & IFF_UP))
278 ifr.ifr_flags &= ~IFF_UP;
281 if (ioctl(drv->sock, SIOCSIFFLAGS, &ifr) < 0) {
282 wpa_printf(MSG_ERROR, "ioctl[SIOCSIFFLAGS]: %s",
291 bsd_set_key(const char *ifname, void *priv, enum wpa_alg alg,
292 const unsigned char *addr, int key_idx, int set_tx, const u8 *seq,
293 size_t seq_len, const u8 *key, size_t key_len)
295 struct ieee80211req_key wk;
296 #ifdef IEEE80211_KEY_NOREPLAY
297 struct bsd_driver_data *drv = priv;
298 #endif /* IEEE80211_KEY_NOREPLAY */
300 wpa_printf(MSG_DEBUG, "%s: alg=%d addr=%p key_idx=%d set_tx=%d "
301 "seq_len=%zu key_len=%zu", __func__, alg, addr, key_idx,
302 set_tx, seq_len, key_len);
304 if (alg == WPA_ALG_NONE) {
306 if (addr == NULL || is_broadcast_ether_addr(addr))
307 return bsd_del_key(priv, NULL, key_idx);
310 return bsd_del_key(priv, addr, key_idx);
313 os_memset(&wk, 0, sizeof(wk));
316 wk.ik_type = IEEE80211_CIPHER_WEP;
319 wk.ik_type = IEEE80211_CIPHER_TKIP;
322 wk.ik_type = IEEE80211_CIPHER_AES_CCM;
325 wpa_printf(MSG_ERROR, "%s: unknown alg=%d", __func__, alg);
329 wk.ik_flags = IEEE80211_KEY_RECV;
331 wk.ik_flags |= IEEE80211_KEY_XMIT;
334 os_memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN);
335 wk.ik_keyix = key_idx;
337 os_memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
339 * Deduce whether group/global or unicast key by checking
340 * the address (yech). Note also that we can only mark global
341 * keys default; doing this for a unicast key is an error.
343 if (is_broadcast_ether_addr(addr)) {
344 wk.ik_flags |= IEEE80211_KEY_GROUP;
345 wk.ik_keyix = key_idx;
347 wk.ik_keyix = key_idx == 0 ? IEEE80211_KEYIX_NONE :
351 if (wk.ik_keyix != IEEE80211_KEYIX_NONE && set_tx)
352 wk.ik_flags |= IEEE80211_KEY_DEFAULT;
354 #ifdef IEEE80211_KEY_NOREPLAY
356 * Ignore replay failures in IBSS and AHDEMO mode.
358 if (drv->opmode == IEEE80211_M_IBSS ||
359 drv->opmode == IEEE80211_M_AHDEMO)
360 wk.ik_flags |= IEEE80211_KEY_NOREPLAY;
361 #endif /* IEEE80211_KEY_NOREPLAY */
363 wk.ik_keylen = key_len;
365 #ifdef WORDS_BIGENDIAN
367 * wk.ik_keyrsc is in host byte order (big endian), need to
368 * swap it to match with the byte order used in WPA.
371 u8 *keyrsc = (u8 *) &wk.ik_keyrsc;
372 for (i = 0; i < seq_len; i++)
373 keyrsc[WPA_KEY_RSC_LEN - i - 1] = seq[i];
374 #else /* WORDS_BIGENDIAN */
375 os_memcpy(&wk.ik_keyrsc, seq, seq_len);
376 #endif /* WORDS_BIGENDIAN */
378 os_memcpy(wk.ik_keydata, key, key_len);
380 return set80211var(priv, IEEE80211_IOC_WPAKEY, &wk, sizeof(wk));
384 bsd_configure_wpa(void *priv, struct wpa_bss_params *params)
386 #ifndef IEEE80211_IOC_APPIE
387 static const char *ciphernames[] =
388 { "WEP", "TKIP", "AES-OCB", "AES-CCM", "CKIP", "NONE" };
391 switch (params->wpa_group) {
392 case WPA_CIPHER_CCMP:
393 v = IEEE80211_CIPHER_AES_CCM;
395 case WPA_CIPHER_TKIP:
396 v = IEEE80211_CIPHER_TKIP;
398 case WPA_CIPHER_WEP104:
399 v = IEEE80211_CIPHER_WEP;
401 case WPA_CIPHER_WEP40:
402 v = IEEE80211_CIPHER_WEP;
404 case WPA_CIPHER_NONE:
405 v = IEEE80211_CIPHER_NONE;
408 wpa_printf(MSG_INFO, "Unknown group key cipher %u",
412 wpa_printf(MSG_DEBUG, "%s: group key cipher=%s (%u)",
413 __func__, ciphernames[v], v);
414 if (set80211param(priv, IEEE80211_IOC_MCASTCIPHER, v)) {
416 "Unable to set group key cipher to %u (%s)",
420 if (v == IEEE80211_CIPHER_WEP) {
421 /* key length is done only for specific ciphers */
422 v = (params->wpa_group == WPA_CIPHER_WEP104 ? 13 : 5);
423 if (set80211param(priv, IEEE80211_IOC_MCASTKEYLEN, v)) {
425 "Unable to set group key length to %u", v);
431 if (params->wpa_pairwise & WPA_CIPHER_CCMP)
432 v |= 1<<IEEE80211_CIPHER_AES_CCM;
433 if (params->wpa_pairwise & WPA_CIPHER_TKIP)
434 v |= 1<<IEEE80211_CIPHER_TKIP;
435 if (params->wpa_pairwise & WPA_CIPHER_NONE)
436 v |= 1<<IEEE80211_CIPHER_NONE;
437 wpa_printf(MSG_DEBUG, "%s: pairwise key ciphers=0x%x", __func__, v);
438 if (set80211param(priv, IEEE80211_IOC_UCASTCIPHERS, v)) {
440 "Unable to set pairwise key ciphers to 0x%x", v);
444 wpa_printf(MSG_DEBUG, "%s: key management algorithms=0x%x",
445 __func__, params->wpa_key_mgmt);
446 if (set80211param(priv, IEEE80211_IOC_KEYMGTALGS,
447 params->wpa_key_mgmt)) {
449 "Unable to set key management algorithms to 0x%x",
450 params->wpa_key_mgmt);
455 if (params->rsn_preauth)
457 wpa_printf(MSG_DEBUG, "%s: rsn capabilities=0x%x",
458 __func__, params->rsn_preauth);
459 if (set80211param(priv, IEEE80211_IOC_RSNCAPS, v)) {
460 wpa_printf(MSG_INFO, "Unable to set RSN capabilities to 0x%x",
464 #endif /* IEEE80211_IOC_APPIE */
466 wpa_printf(MSG_DEBUG, "%s: enable WPA= 0x%x", __func__, params->wpa);
467 if (set80211param(priv, IEEE80211_IOC_WPA, params->wpa)) {
468 wpa_printf(MSG_INFO, "Unable to set WPA to %u", params->wpa);
475 bsd_set_ieee8021x(void *priv, struct wpa_bss_params *params)
477 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, params->enabled);
479 if (!params->enabled) {
480 /* XXX restore state */
481 return set80211param(priv, IEEE80211_IOC_AUTHMODE,
482 IEEE80211_AUTH_AUTO);
484 if (!params->wpa && !params->ieee802_1x) {
485 wpa_printf(MSG_ERROR, "%s: No 802.1X or WPA enabled",
489 if (params->wpa && bsd_configure_wpa(priv, params) != 0) {
490 wpa_printf(MSG_ERROR, "%s: Failed to configure WPA state",
494 if (set80211param(priv, IEEE80211_IOC_AUTHMODE,
495 (params->wpa ? IEEE80211_AUTH_WPA : IEEE80211_AUTH_8021X))) {
496 wpa_printf(MSG_ERROR, "%s: Failed to enable WPA/802.1X",
500 return bsd_ctrl_iface(priv, 1);
504 bsd_new_sta(void *priv, void *ctx, u8 addr[IEEE80211_ADDR_LEN])
506 struct ieee80211req_wpaie ie;
511 * Fetch and validate any negotiated WPA/RSN parameters.
513 memset(&ie, 0, sizeof(ie));
514 memcpy(ie.wpa_macaddr, addr, IEEE80211_ADDR_LEN);
515 if (get80211var(priv, IEEE80211_IOC_WPAIE, &ie, sizeof(ie)) < 0) {
517 "Failed to get WPA/RSN information element");
521 ielen = ie.wpa_ie[1];
528 drv_event_assoc(ctx, addr, iebuf, ielen, 0);
532 bsd_send_eapol(void *priv, const u8 *addr, const u8 *data, size_t data_len,
533 int encrypt, const u8 *own_addr, u32 flags)
535 struct bsd_driver_data *drv = priv;
537 wpa_hexdump(MSG_MSGDUMP, "TX EAPOL", data, data_len);
539 return l2_packet_send(drv->sock_xmit, addr, ETH_P_EAPOL, data,
544 bsd_set_freq(void *priv, struct hostapd_freq_params *freq)
546 struct bsd_driver_data *drv = priv;
547 #ifdef SIOCS80211CHANNEL
548 struct ieee80211chanreq creq;
549 #endif /* SIOCS80211CHANNEL */
551 int channel = freq->channel;
555 #ifdef CONFIG_IEEE80211N
556 freq->ht_enabled ? IFM_IEEE80211_11NG :
557 #endif /* CONFIG_IEEE80211N */
559 } else if (channel == 14) {
560 mode = IFM_IEEE80211_11B;
563 #ifdef CONFIG_IEEE80211N
564 freq->ht_enabled ? IFM_IEEE80211_11NA :
565 #endif /* CONFIG_IEEE80211N */
568 if (bsd_set_mediaopt(drv, IFM_MMASK, mode) < 0) {
569 wpa_printf(MSG_ERROR, "%s: failed to set modulation mode",
574 #ifdef SIOCS80211CHANNEL
575 os_memset(&creq, 0, sizeof(creq));
576 os_strlcpy(creq.i_name, drv->ifname, sizeof(creq.i_name));
577 creq.i_channel = (u_int16_t)channel;
578 return ioctl(drv->sock, SIOCS80211CHANNEL, &creq);
579 #else /* SIOCS80211CHANNEL */
580 return set80211param(priv, IEEE80211_IOC_CHANNEL, channel);
581 #endif /* SIOCS80211CHANNEL */
585 bsd_set_opt_ie(void *priv, const u8 *ie, size_t ie_len)
587 #ifdef IEEE80211_IOC_APPIE
588 wpa_printf(MSG_DEBUG, "%s: set WPA+RSN ie (len %lu)", __func__,
589 (unsigned long)ie_len);
590 return bsd_set80211(priv, IEEE80211_IOC_APPIE, IEEE80211_APPIE_WPA,
592 #endif /* IEEE80211_IOC_APPIE */
601 int mib[6] = {CTL_NET, AF_ROUTE, 0, AF_INET, NET_RT_DUMP, 0};
603 if (sysctl(mib, 6, NULL, &len, NULL, 0) < 0) {
604 wpa_printf(MSG_WARNING, "%s failed: %s", __func__,
615 * Avoid conflicts with hostapd definitions by undefining couple of defines
616 * from net80211 header files.
622 static int bsd_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
626 ether_sprintf(const u8 *addr)
628 static char buf[sizeof(MACSTR)];
631 snprintf(buf, sizeof(buf), MACSTR, MAC2STR(addr));
633 snprintf(buf, sizeof(buf), MACSTR, 0,0,0,0,0,0);
638 bsd_set_privacy(void *priv, int enabled)
640 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled);
642 return set80211param(priv, IEEE80211_IOC_PRIVACY, enabled);
646 bsd_get_seqnum(const char *ifname, void *priv, const u8 *addr, int idx,
649 struct ieee80211req_key wk;
651 wpa_printf(MSG_DEBUG, "%s: addr=%s idx=%d",
652 __func__, ether_sprintf(addr), idx);
654 memset(&wk, 0, sizeof(wk));
656 memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN);
658 memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
661 if (get80211var(priv, IEEE80211_IOC_WPAKEY, &wk, sizeof(wk)) < 0) {
662 wpa_printf(MSG_INFO, "Failed to get encryption");
666 #ifdef WORDS_BIGENDIAN
669 * wk.ik_keytsc is in host byte order (big endian), need to
670 * swap it to match with the byte order used in WPA.
673 u8 tmp[WPA_KEY_RSC_LEN];
674 memcpy(tmp, &wk.ik_keytsc, sizeof(wk.ik_keytsc));
675 for (i = 0; i < WPA_KEY_RSC_LEN; i++) {
676 seq[i] = tmp[WPA_KEY_RSC_LEN - i - 1];
679 #else /* WORDS_BIGENDIAN */
680 memcpy(seq, &wk.ik_keytsc, sizeof(wk.ik_keytsc));
681 #endif /* WORDS_BIGENDIAN */
687 bsd_flush(void *priv)
689 u8 allsta[IEEE80211_ADDR_LEN];
691 memset(allsta, 0xff, IEEE80211_ADDR_LEN);
692 return bsd_sta_deauth(priv, NULL, allsta, IEEE80211_REASON_AUTH_LEAVE);
697 bsd_read_sta_driver_data(void *priv, struct hostap_sta_driver_data *data,
700 struct ieee80211req_sta_stats stats;
702 memcpy(stats.is_u.macaddr, addr, IEEE80211_ADDR_LEN);
703 if (get80211var(priv, IEEE80211_IOC_STA_STATS, &stats, sizeof(stats))
705 /* XXX? do packets counts include non-data frames? */
706 data->rx_packets = stats.is_stats.ns_rx_data;
707 data->rx_bytes = stats.is_stats.ns_rx_bytes;
708 data->tx_packets = stats.is_stats.ns_tx_data;
709 data->tx_bytes = stats.is_stats.ns_tx_bytes;
715 bsd_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr, int reason_code)
717 return bsd_send_mlme_param(priv, IEEE80211_MLME_DEAUTH, reason_code,
722 bsd_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
725 return bsd_send_mlme_param(priv, IEEE80211_MLME_DISASSOC, reason_code,
730 bsd_wireless_event_receive(int sock, void *ctx, void *sock_ctx)
732 struct bsd_driver_data *drv = ctx;
733 struct if_announcemsghdr *ifan;
734 struct rt_msghdr *rtm;
735 struct ieee80211_michael_event *mic;
736 struct ieee80211_join_event *join;
737 struct ieee80211_leave_event *leave;
739 union wpa_event_data data;
741 n = read(sock, drv->event_buf, drv->event_buf_len);
743 if (errno != EINTR && errno != EAGAIN)
744 wpa_printf(MSG_ERROR, "%s read() failed: %s",
745 __func__, strerror(errno));
749 rtm = (struct rt_msghdr *) drv->event_buf;
750 if (rtm->rtm_version != RTM_VERSION) {
751 wpa_printf(MSG_DEBUG, "Invalid routing message version=%d",
755 ifan = (struct if_announcemsghdr *) rtm;
756 switch (rtm->rtm_type) {
758 switch (ifan->ifan_what) {
759 case RTM_IEEE80211_ASSOC:
760 case RTM_IEEE80211_REASSOC:
761 case RTM_IEEE80211_DISASSOC:
762 case RTM_IEEE80211_SCAN:
764 case RTM_IEEE80211_LEAVE:
765 leave = (struct ieee80211_leave_event *) &ifan[1];
766 drv_event_disassoc(drv->hapd, leave->iev_addr);
768 case RTM_IEEE80211_JOIN:
769 #ifdef RTM_IEEE80211_REJOIN
770 case RTM_IEEE80211_REJOIN:
772 join = (struct ieee80211_join_event *) &ifan[1];
773 bsd_new_sta(drv, drv->hapd, join->iev_addr);
775 case RTM_IEEE80211_REPLAY:
778 case RTM_IEEE80211_MICHAEL:
779 mic = (struct ieee80211_michael_event *) &ifan[1];
780 wpa_printf(MSG_DEBUG,
781 "Michael MIC failure wireless event: "
782 "keyix=%u src_addr=" MACSTR, mic->iev_keyix,
783 MAC2STR(mic->iev_src));
784 os_memset(&data, 0, sizeof(data));
785 data.michael_mic_failure.unicast = 1;
786 data.michael_mic_failure.src = mic->iev_src;
787 wpa_supplicant_event(drv->hapd,
788 EVENT_MICHAEL_MIC_FAILURE, &data);
796 handle_read(void *ctx, const u8 *src_addr, const u8 *buf, size_t len)
798 struct bsd_driver_data *drv = ctx;
799 drv_event_eapol_rx(drv->hapd, src_addr, buf, len);
803 bsd_init(struct hostapd_data *hapd, struct wpa_init_params *params)
805 struct bsd_driver_data *drv;
807 drv = os_zalloc(sizeof(struct bsd_driver_data));
809 wpa_printf(MSG_ERROR, "Could not allocate memory for bsd driver data");
813 drv->event_buf_len = rtbuf_len();
815 drv->event_buf = os_malloc(drv->event_buf_len);
816 if (drv->event_buf == NULL) {
817 wpa_printf(MSG_ERROR, "%s: os_malloc() failed", __func__);
822 drv->sock = socket(PF_INET, SOCK_DGRAM, 0);
824 wpa_printf(MSG_ERROR, "socket[PF_INET,SOCK_DGRAM]: %s",
828 os_strlcpy(drv->ifname, params->ifname, sizeof(drv->ifname));
830 drv->sock_xmit = l2_packet_init(drv->ifname, NULL, ETH_P_EAPOL,
831 handle_read, drv, 0);
832 if (drv->sock_xmit == NULL)
834 if (l2_packet_get_own_addr(drv->sock_xmit, params->own_addr))
837 /* mark down during setup */
838 if (bsd_ctrl_iface(drv, 0) < 0)
841 drv->route = socket(PF_ROUTE, SOCK_RAW, 0);
842 if (drv->route < 0) {
843 wpa_printf(MSG_ERROR, "socket(PF_ROUTE,SOCK_RAW): %s",
847 eloop_register_read_sock(drv->route, bsd_wireless_event_receive, drv,
850 if (bsd_set_mediaopt(drv, IFM_OMASK, IFM_IEEE80211_HOSTAP) < 0) {
851 wpa_printf(MSG_ERROR, "%s: failed to set operation mode",
858 if (drv->sock_xmit != NULL)
859 l2_packet_deinit(drv->sock_xmit);
862 os_free(drv->event_buf);
869 bsd_deinit(void *priv)
871 struct bsd_driver_data *drv = priv;
873 if (drv->route >= 0) {
874 eloop_unregister_read_sock(drv->route);
877 bsd_ctrl_iface(drv, 0);
880 if (drv->sock_xmit != NULL)
881 l2_packet_deinit(drv->sock_xmit);
882 os_free(drv->event_buf);
888 bsd_commit(void *priv)
890 return bsd_ctrl_iface(priv, 1);
895 bsd_set_sta_authorized(void *priv, const u8 *addr,
896 unsigned int total_flags, unsigned int flags_or,
897 unsigned int flags_and)
901 /* For now, only support setting Authorized flag */
902 if (flags_or & WPA_STA_AUTHORIZED)
904 if (!(flags_and & WPA_STA_AUTHORIZED))
910 return bsd_send_mlme_param(priv, authorized ?
911 IEEE80211_MLME_AUTHORIZE :
912 IEEE80211_MLME_UNAUTHORIZE, 0, addr);
917 get80211param(struct bsd_driver_data *drv, int op)
919 struct ieee80211req ireq;
921 if (bsd_get80211(drv, &ireq, op, NULL, 0) < 0)
927 wpa_driver_bsd_get_bssid(void *priv, u8 *bssid)
929 struct bsd_driver_data *drv = priv;
930 #ifdef SIOCG80211BSSID
931 struct ieee80211_bssid bs;
933 os_strlcpy(bs.i_name, drv->ifname, sizeof(bs.i_name));
934 if (ioctl(drv->sock, SIOCG80211BSSID, &bs) < 0)
936 os_memcpy(bssid, bs.i_bssid, sizeof(bs.i_bssid));
939 return get80211var(drv, IEEE80211_IOC_BSSID,
940 bssid, IEEE80211_ADDR_LEN) < 0 ? -1 : 0;
945 wpa_driver_bsd_get_ssid(void *priv, u8 *ssid)
947 struct bsd_driver_data *drv = priv;
948 return bsd_get_ssid(drv, ssid, 0);
952 wpa_driver_bsd_set_wpa_ie(struct bsd_driver_data *drv, const u8 *wpa_ie,
955 #ifdef IEEE80211_IOC_APPIE
956 return bsd_set_opt_ie(drv, wpa_ie, wpa_ie_len);
957 #else /* IEEE80211_IOC_APPIE */
958 return set80211var(drv, IEEE80211_IOC_OPTIE, wpa_ie, wpa_ie_len);
959 #endif /* IEEE80211_IOC_APPIE */
963 wpa_driver_bsd_set_wpa_internal(void *priv, int wpa, int privacy)
967 wpa_printf(MSG_DEBUG, "%s: wpa=%d privacy=%d",
968 __FUNCTION__, wpa, privacy);
970 if (!wpa && wpa_driver_bsd_set_wpa_ie(priv, NULL, 0) < 0)
972 if (set80211param(priv, IEEE80211_IOC_PRIVACY, privacy) < 0)
974 if (set80211param(priv, IEEE80211_IOC_WPA, wpa) < 0)
981 wpa_driver_bsd_set_wpa(void *priv, int enabled)
983 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __FUNCTION__, enabled);
985 return wpa_driver_bsd_set_wpa_internal(priv, enabled ? 3 : 0, enabled);
989 wpa_driver_bsd_set_countermeasures(void *priv, int enabled)
991 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled);
992 return set80211param(priv, IEEE80211_IOC_COUNTERMEASURES, enabled);
997 wpa_driver_bsd_set_drop_unencrypted(void *priv, int enabled)
999 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled);
1000 return set80211param(priv, IEEE80211_IOC_DROPUNENCRYPTED, enabled);
1004 wpa_driver_bsd_deauthenticate(void *priv, const u8 *addr, int reason_code)
1006 return bsd_send_mlme_param(priv, IEEE80211_MLME_DEAUTH, reason_code,
1011 wpa_driver_bsd_set_auth_alg(void *priv, int auth_alg)
1015 if ((auth_alg & WPA_AUTH_ALG_OPEN) &&
1016 (auth_alg & WPA_AUTH_ALG_SHARED))
1017 authmode = IEEE80211_AUTH_AUTO;
1018 else if (auth_alg & WPA_AUTH_ALG_SHARED)
1019 authmode = IEEE80211_AUTH_SHARED;
1021 authmode = IEEE80211_AUTH_OPEN;
1023 return set80211param(priv, IEEE80211_IOC_AUTHMODE, authmode);
1027 handle_read(void *ctx, const u8 *src_addr, const u8 *buf, size_t len)
1029 struct bsd_driver_data *drv = ctx;
1031 drv_event_eapol_rx(drv->ctx, src_addr, buf, len);
1035 wpa_driver_bsd_associate(void *priv, struct wpa_driver_associate_params *params)
1037 struct bsd_driver_data *drv = priv;
1038 struct ieee80211req_mlme mlme;
1043 wpa_printf(MSG_DEBUG,
1044 "%s: ssid '%.*s' wpa ie len %u pairwise %u group %u key mgmt %u"
1046 , (unsigned int) params->ssid_len, params->ssid
1047 , (unsigned int) params->wpa_ie_len
1048 , params->pairwise_suite
1049 , params->group_suite
1050 , params->key_mgmt_suite
1053 switch (params->mode) {
1054 case IEEE80211_MODE_INFRA:
1057 case IEEE80211_MODE_IBSS:
1059 * Ref bin/203086 - FreeBSD's net80211 currently uses
1060 * IFM_IEEE80211_ADHOC.
1063 mode = IFM_IEEE80211_IBSS;
1065 mode = IFM_IEEE80211_ADHOC;
1067 case IEEE80211_MODE_AP:
1068 mode = IFM_IEEE80211_HOSTAP;
1071 wpa_printf(MSG_ERROR, "%s: unknown operation mode", __func__);
1074 if (bsd_set_mediaopt(drv, IFM_OMASK, mode) < 0) {
1075 wpa_printf(MSG_ERROR, "%s: failed to set operation mode",
1080 if (params->mode == IEEE80211_MODE_AP) {
1081 drv->sock_xmit = l2_packet_init(drv->ifname, NULL, ETH_P_EAPOL,
1082 handle_read, drv, 0);
1083 if (drv->sock_xmit == NULL)
1089 if (wpa_driver_bsd_set_drop_unencrypted(drv, params->drop_unencrypted)
1092 if (wpa_driver_bsd_set_auth_alg(drv, params->auth_alg) < 0)
1094 /* XXX error handling is wrong but unclear what to do... */
1095 if (wpa_driver_bsd_set_wpa_ie(drv, params->wpa_ie, params->wpa_ie_len) < 0)
1098 privacy = !(params->pairwise_suite == WPA_CIPHER_NONE &&
1099 params->group_suite == WPA_CIPHER_NONE &&
1100 params->key_mgmt_suite == WPA_KEY_MGMT_NONE &&
1101 params->wpa_ie_len == 0);
1102 wpa_printf(MSG_DEBUG, "%s: set PRIVACY %u", __func__, privacy);
1104 if (set80211param(drv, IEEE80211_IOC_PRIVACY, privacy) < 0)
1107 if (params->wpa_ie_len &&
1108 set80211param(drv, IEEE80211_IOC_WPA,
1109 params->wpa_ie[0] == WLAN_EID_RSN ? 2 : 1) < 0)
1113 * NB: interface must be marked UP for association
1114 * or scanning (ap_scan=2)
1116 if (bsd_ctrl_iface(drv, 1) < 0)
1119 os_memset(&mlme, 0, sizeof(mlme));
1120 mlme.im_op = IEEE80211_MLME_ASSOC;
1121 if (params->ssid != NULL)
1122 os_memcpy(mlme.im_ssid, params->ssid, params->ssid_len);
1123 mlme.im_ssid_len = params->ssid_len;
1124 if (params->bssid != NULL)
1125 os_memcpy(mlme.im_macaddr, params->bssid, IEEE80211_ADDR_LEN);
1126 if (set80211var(drv, IEEE80211_IOC_MLME, &mlme, sizeof(mlme)) < 0)
1132 wpa_driver_bsd_scan(void *priv, struct wpa_driver_scan_params *params)
1134 struct bsd_driver_data *drv = priv;
1135 #ifdef IEEE80211_IOC_SCAN_MAX_SSID
1136 struct ieee80211_scan_req sr;
1138 #endif /* IEEE80211_IOC_SCAN_MAX_SSID */
1140 if (bsd_set_mediaopt(drv, IFM_OMASK, 0 /* STA */) < 0) {
1141 wpa_printf(MSG_ERROR, "%s: failed to set operation mode",
1146 if (set80211param(drv, IEEE80211_IOC_ROAMING,
1147 IEEE80211_ROAMING_MANUAL) < 0) {
1148 wpa_printf(MSG_ERROR, "%s: failed to set "
1149 "wpa_supplicant-based roaming: %s", __func__,
1154 if (wpa_driver_bsd_set_wpa(drv, 1) < 0) {
1155 wpa_printf(MSG_ERROR, "%s: failed to set wpa: %s", __func__,
1160 /* NB: interface must be marked UP to do a scan */
1161 if (bsd_ctrl_iface(drv, 1) < 0)
1164 #ifdef IEEE80211_IOC_SCAN_MAX_SSID
1165 os_memset(&sr, 0, sizeof(sr));
1166 sr.sr_flags = IEEE80211_IOC_SCAN_ACTIVE | IEEE80211_IOC_SCAN_ONCE |
1167 IEEE80211_IOC_SCAN_NOJOIN;
1168 sr.sr_duration = IEEE80211_IOC_SCAN_FOREVER;
1169 if (params->num_ssids > 0) {
1170 sr.sr_nssid = params->num_ssids;
1172 /* Boundary check is done by upper layer */
1173 if (sr.sr_nssid > IEEE80211_IOC_SCAN_MAX_SSID)
1174 sr.sr_nssid = IEEE80211_IOC_SCAN_MAX_SSID;
1177 /* NB: check scan cache first */
1178 sr.sr_flags |= IEEE80211_IOC_SCAN_CHECK;
1180 for (i = 0; i < sr.sr_nssid; i++) {
1181 sr.sr_ssid[i].len = params->ssids[i].ssid_len;
1182 os_memcpy(sr.sr_ssid[i].ssid, params->ssids[i].ssid,
1186 /* NB: net80211 delivers a scan complete event so no need to poll */
1187 return set80211var(drv, IEEE80211_IOC_SCAN_REQ, &sr, sizeof(sr));
1188 #else /* IEEE80211_IOC_SCAN_MAX_SSID */
1189 /* set desired ssid before scan */
1190 if (bsd_set_ssid(drv, params->ssids[0].ssid,
1191 params->ssids[0].ssid_len) < 0)
1194 /* NB: net80211 delivers a scan complete event so no need to poll */
1195 return set80211param(drv, IEEE80211_IOC_SCAN_REQ, 0);
1196 #endif /* IEEE80211_IOC_SCAN_MAX_SSID */
1200 wpa_driver_bsd_event_receive(int sock, void *ctx, void *sock_ctx)
1202 struct bsd_driver_data *drv = sock_ctx;
1203 struct if_announcemsghdr *ifan;
1204 struct if_msghdr *ifm;
1205 struct rt_msghdr *rtm;
1206 union wpa_event_data event;
1207 struct ieee80211_michael_event *mic;
1208 struct ieee80211_leave_event *leave;
1209 struct ieee80211_join_event *join;
1212 n = read(sock, drv->event_buf, drv->event_buf_len);
1214 if (errno != EINTR && errno != EAGAIN)
1215 wpa_printf(MSG_ERROR, "%s read() failed: %s",
1216 __func__, strerror(errno));
1220 rtm = (struct rt_msghdr *) drv->event_buf;
1221 if (rtm->rtm_version != RTM_VERSION) {
1222 wpa_printf(MSG_DEBUG, "Invalid routing message version=%d",
1226 os_memset(&event, 0, sizeof(event));
1227 switch (rtm->rtm_type) {
1228 case RTM_IFANNOUNCE:
1229 ifan = (struct if_announcemsghdr *) rtm;
1230 if (ifan->ifan_index != drv->ifindex)
1232 os_strlcpy(event.interface_status.ifname, drv->ifname,
1233 sizeof(event.interface_status.ifname));
1234 switch (ifan->ifan_what) {
1235 case IFAN_DEPARTURE:
1236 event.interface_status.ievent = EVENT_INTERFACE_REMOVED;
1240 wpa_printf(MSG_DEBUG, "RTM_IFANNOUNCE: Interface '%s' %s",
1241 event.interface_status.ifname,
1242 ifan->ifan_what == IFAN_DEPARTURE ?
1243 "removed" : "added");
1244 wpa_supplicant_event(ctx, EVENT_INTERFACE_STATUS, &event);
1247 ifan = (struct if_announcemsghdr *) rtm;
1248 if (ifan->ifan_index != drv->ifindex)
1250 switch (ifan->ifan_what) {
1251 case RTM_IEEE80211_ASSOC:
1252 case RTM_IEEE80211_REASSOC:
1255 wpa_supplicant_event(ctx, EVENT_ASSOC, NULL);
1257 case RTM_IEEE80211_DISASSOC:
1260 wpa_supplicant_event(ctx, EVENT_DISASSOC, NULL);
1262 case RTM_IEEE80211_SCAN:
1265 wpa_supplicant_event(ctx, EVENT_SCAN_RESULTS, NULL);
1267 case RTM_IEEE80211_LEAVE:
1268 leave = (struct ieee80211_leave_event *) &ifan[1];
1269 drv_event_disassoc(ctx, leave->iev_addr);
1271 case RTM_IEEE80211_JOIN:
1272 #ifdef RTM_IEEE80211_REJOIN
1273 case RTM_IEEE80211_REJOIN:
1275 join = (struct ieee80211_join_event *) &ifan[1];
1276 bsd_new_sta(drv, ctx, join->iev_addr);
1278 case RTM_IEEE80211_REPLAY:
1281 case RTM_IEEE80211_MICHAEL:
1282 mic = (struct ieee80211_michael_event *) &ifan[1];
1283 wpa_printf(MSG_DEBUG,
1284 "Michael MIC failure wireless event: "
1285 "keyix=%u src_addr=" MACSTR, mic->iev_keyix,
1286 MAC2STR(mic->iev_src));
1288 os_memset(&event, 0, sizeof(event));
1289 event.michael_mic_failure.unicast =
1290 !IEEE80211_IS_MULTICAST(mic->iev_dst);
1291 wpa_supplicant_event(ctx, EVENT_MICHAEL_MIC_FAILURE,
1297 ifm = (struct if_msghdr *) rtm;
1298 if (ifm->ifm_index != drv->ifindex)
1300 if ((rtm->rtm_flags & RTF_UP) == 0) {
1301 os_strlcpy(event.interface_status.ifname, drv->ifname,
1302 sizeof(event.interface_status.ifname));
1303 event.interface_status.ievent = EVENT_INTERFACE_REMOVED;
1304 wpa_printf(MSG_DEBUG, "RTM_IFINFO: Interface '%s' DOWN",
1305 event.interface_status.ifname);
1306 wpa_supplicant_event(ctx, EVENT_INTERFACE_STATUS, &event);
1313 wpa_driver_bsd_add_scan_entry(struct wpa_scan_results *res,
1314 struct ieee80211req_scan_result *sr)
1316 struct wpa_scan_res *result, **tmp;
1320 extra_len = 2 + sr->isr_ssid_len;
1321 extra_len += 2 + sr->isr_nrates;
1322 extra_len += 3; /* ERP IE */
1323 extra_len += sr->isr_ie_len;
1325 result = os_zalloc(sizeof(*result) + extra_len);
1328 os_memcpy(result->bssid, sr->isr_bssid, ETH_ALEN);
1329 result->freq = sr->isr_freq;
1330 result->beacon_int = sr->isr_intval;
1331 result->caps = sr->isr_capinfo;
1332 result->qual = sr->isr_rssi;
1333 result->noise = sr->isr_noise;
1335 * the rssi value reported by the kernel is in 0.5dB steps relative to
1336 * the reported noise floor. see ieee80211_node.h for details.
1338 result->level = sr->isr_rssi / 2 + sr->isr_noise;
1340 pos = (u8 *)(result + 1);
1342 *pos++ = WLAN_EID_SSID;
1343 *pos++ = sr->isr_ssid_len;
1344 os_memcpy(pos, sr + 1, sr->isr_ssid_len);
1345 pos += sr->isr_ssid_len;
1348 * Deal all rates as supported rate.
1349 * Because net80211 doesn't report extended supported rate or not.
1351 *pos++ = WLAN_EID_SUPP_RATES;
1352 *pos++ = sr->isr_nrates;
1353 os_memcpy(pos, sr->isr_rates, sr->isr_nrates);
1354 pos += sr->isr_nrates;
1356 *pos++ = WLAN_EID_ERP_INFO;
1358 *pos++ = sr->isr_erp;
1360 #if defined(__DragonFly__) || defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
1361 os_memcpy(pos, (u8 *)(sr + 1) + sr->isr_ssid_len + sr->isr_meshid_len,
1364 os_memcpy(pos, (u8 *)(sr + 1) + sr->isr_ssid_len, sr->isr_ie_len);
1366 pos += sr->isr_ie_len;
1368 result->ie_len = pos - (u8 *)(result + 1);
1370 tmp = os_realloc_array(res->res, res->num + 1,
1371 sizeof(struct wpa_scan_res *));
1376 tmp[res->num++] = result;
1380 struct wpa_scan_results *
1381 wpa_driver_bsd_get_scan_results2(void *priv)
1383 struct ieee80211req_scan_result *sr;
1384 struct wpa_scan_results *res;
1386 uint8_t buf[24*1024], *pos;
1388 len = get80211var(priv, IEEE80211_IOC_SCAN_RESULTS, buf, 24*1024);
1392 res = os_zalloc(sizeof(*res));
1398 while (rest >= sizeof(struct ieee80211req_scan_result)) {
1399 sr = (struct ieee80211req_scan_result *)pos;
1400 wpa_driver_bsd_add_scan_entry(res, sr);
1402 rest -= sr->isr_len;
1405 wpa_printf(MSG_DEBUG, "Received %d bytes of scan results (%lu BSSes)",
1406 len, (unsigned long)res->num);
1411 static int wpa_driver_bsd_capa(struct bsd_driver_data *drv)
1413 #ifdef IEEE80211_IOC_DEVCAPS
1414 /* kernel definitions copied from net80211/ieee80211_var.h */
1415 #define IEEE80211_CIPHER_WEP 0
1416 #define IEEE80211_CIPHER_TKIP 1
1417 #define IEEE80211_CIPHER_AES_CCM 3
1418 #define IEEE80211_CRYPTO_WEP (1<<IEEE80211_CIPHER_WEP)
1419 #define IEEE80211_CRYPTO_TKIP (1<<IEEE80211_CIPHER_TKIP)
1420 #define IEEE80211_CRYPTO_AES_CCM (1<<IEEE80211_CIPHER_AES_CCM)
1421 #define IEEE80211_C_HOSTAP 0x00000400 /* CAPABILITY: HOSTAP avail */
1422 #define IEEE80211_C_WPA1 0x00800000 /* CAPABILITY: WPA1 avail */
1423 #define IEEE80211_C_WPA2 0x01000000 /* CAPABILITY: WPA2 avail */
1424 struct ieee80211_devcaps_req devcaps;
1426 if (get80211var(drv, IEEE80211_IOC_DEVCAPS, &devcaps,
1427 sizeof(devcaps)) < 0) {
1428 wpa_printf(MSG_ERROR, "failed to IEEE80211_IOC_DEVCAPS: %s",
1433 wpa_printf(MSG_DEBUG, "%s: drivercaps=0x%08x,cryptocaps=0x%08x",
1434 __func__, devcaps.dc_drivercaps, devcaps.dc_cryptocaps);
1436 if (devcaps.dc_drivercaps & IEEE80211_C_WPA1)
1437 drv->capa.key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA |
1438 WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK;
1439 if (devcaps.dc_drivercaps & IEEE80211_C_WPA2)
1440 drv->capa.key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
1441 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK;
1444 drv->capa.enc |= WPA_DRIVER_CAPA_ENC_WEP40 |
1445 WPA_DRIVER_CAPA_ENC_WEP104 |
1446 WPA_DRIVER_CAPA_ENC_TKIP |
1447 WPA_DRIVER_CAPA_ENC_CCMP;
1451 * FreeBSD exports hardware cryptocaps. These have no meaning for wpa
1452 * since net80211 performs software crypto.
1454 if (devcaps.dc_cryptocaps & IEEE80211_CRYPTO_WEP)
1455 drv->capa.enc |= WPA_DRIVER_CAPA_ENC_WEP40 |
1456 WPA_DRIVER_CAPA_ENC_WEP104;
1457 if (devcaps.dc_cryptocaps & IEEE80211_CRYPTO_TKIP)
1458 drv->capa.enc |= WPA_DRIVER_CAPA_ENC_TKIP;
1459 if (devcaps.dc_cryptocaps & IEEE80211_CRYPTO_AES_CCM)
1460 drv->capa.enc |= WPA_DRIVER_CAPA_ENC_CCMP;
1463 if (devcaps.dc_drivercaps & IEEE80211_C_HOSTAP)
1464 drv->capa.flags |= WPA_DRIVER_FLAGS_AP;
1465 #undef IEEE80211_CIPHER_WEP
1466 #undef IEEE80211_CIPHER_TKIP
1467 #undef IEEE80211_CIPHER_AES_CCM
1468 #undef IEEE80211_CRYPTO_WEP
1469 #undef IEEE80211_CRYPTO_TKIP
1470 #undef IEEE80211_CRYPTO_AES_CCM
1471 #undef IEEE80211_C_HOSTAP
1472 #undef IEEE80211_C_WPA1
1473 #undef IEEE80211_C_WPA2
1474 #else /* IEEE80211_IOC_DEVCAPS */
1475 /* For now, assume TKIP, CCMP, WPA, WPA2 are supported */
1476 drv->capa.key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA |
1477 WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
1478 WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
1479 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK;
1480 drv->capa.enc = WPA_DRIVER_CAPA_ENC_WEP40 |
1481 WPA_DRIVER_CAPA_ENC_WEP104 |
1482 WPA_DRIVER_CAPA_ENC_TKIP |
1483 WPA_DRIVER_CAPA_ENC_CCMP;
1484 drv->capa.flags |= WPA_DRIVER_FLAGS_AP;
1485 #endif /* IEEE80211_IOC_DEVCAPS */
1486 #ifdef IEEE80211_IOC_SCAN_MAX_SSID
1487 drv->capa.max_scan_ssids = IEEE80211_IOC_SCAN_MAX_SSID;
1488 #else /* IEEE80211_IOC_SCAN_MAX_SSID */
1489 drv->capa.max_scan_ssids = 1;
1490 #endif /* IEEE80211_IOC_SCAN_MAX_SSID */
1491 drv->capa.auth = WPA_DRIVER_AUTH_OPEN |
1492 WPA_DRIVER_AUTH_SHARED |
1493 WPA_DRIVER_AUTH_LEAP;
1497 static enum ieee80211_opmode
1498 get80211opmode(struct bsd_driver_data *drv)
1500 struct ifmediareq ifmr;
1502 (void) memset(&ifmr, 0, sizeof(ifmr));
1503 (void) os_strlcpy(ifmr.ifm_name, drv->ifname, sizeof(ifmr.ifm_name));
1505 if (ioctl(drv->sock, SIOCGIFMEDIA, (caddr_t)&ifmr) >= 0) {
1506 if (ifmr.ifm_current & IFM_IEEE80211_ADHOC) {
1507 if (ifmr.ifm_current & IFM_FLAG0)
1508 return IEEE80211_M_AHDEMO;
1510 return IEEE80211_M_IBSS;
1512 if (ifmr.ifm_current & IFM_IEEE80211_HOSTAP)
1513 return IEEE80211_M_HOSTAP;
1514 if (ifmr.ifm_current & IFM_IEEE80211_IBSS)
1515 return IEEE80211_M_IBSS;
1516 if (ifmr.ifm_current & IFM_IEEE80211_MONITOR)
1517 return IEEE80211_M_MONITOR;
1518 #ifdef IEEE80211_M_MBSS
1519 if (ifmr.ifm_current & IFM_IEEE80211_MBSS)
1520 return IEEE80211_M_MBSS;
1521 #endif /* IEEE80211_M_MBSS */
1523 return IEEE80211_M_STA;
1527 wpa_driver_bsd_init(void *ctx, const char *ifname)
1529 #define GETPARAM(drv, param, v) \
1530 (((v) = get80211param(drv, param)) != -1)
1531 struct bsd_driver_data *drv;
1533 drv = os_zalloc(sizeof(*drv));
1537 drv->event_buf_len = rtbuf_len();
1539 drv->event_buf = os_malloc(drv->event_buf_len);
1540 if (drv->event_buf == NULL) {
1541 wpa_printf(MSG_ERROR, "%s: os_malloc() failed", __func__);
1546 * NB: We require the interface name be mappable to an index.
1547 * This implies we do not support having wpa_supplicant
1548 * wait for an interface to appear. This seems ok; that
1549 * doesn't belong here; it's really the job of devd.
1551 drv->ifindex = if_nametoindex(ifname);
1552 if (drv->ifindex == 0) {
1553 wpa_printf(MSG_DEBUG, "%s: interface %s does not exist",
1557 drv->sock = socket(PF_INET, SOCK_DGRAM, 0);
1561 os_strlcpy(drv->ifname, ifname, sizeof(drv->ifname));
1562 /* Down interface during setup. */
1563 if (bsd_ctrl_iface(drv, 0) < 0)
1566 drv->route = socket(PF_ROUTE, SOCK_RAW, 0);
1569 eloop_register_read_sock(drv->route,
1570 wpa_driver_bsd_event_receive, ctx, drv);
1574 if (!GETPARAM(drv, IEEE80211_IOC_ROAMING, drv->prev_roaming)) {
1575 wpa_printf(MSG_DEBUG, "%s: failed to get roaming state: %s",
1576 __func__, strerror(errno));
1579 if (!GETPARAM(drv, IEEE80211_IOC_PRIVACY, drv->prev_privacy)) {
1580 wpa_printf(MSG_DEBUG, "%s: failed to get privacy state: %s",
1581 __func__, strerror(errno));
1584 if (!GETPARAM(drv, IEEE80211_IOC_WPA, drv->prev_wpa)) {
1585 wpa_printf(MSG_DEBUG, "%s: failed to get wpa state: %s",
1586 __func__, strerror(errno));
1590 if (wpa_driver_bsd_capa(drv))
1593 drv->opmode = get80211opmode(drv);
1599 os_free(drv->event_buf);
1606 wpa_driver_bsd_deinit(void *priv)
1608 struct bsd_driver_data *drv = priv;
1610 wpa_driver_bsd_set_wpa(drv, 0);
1611 eloop_unregister_read_sock(drv->route);
1613 /* NB: mark interface down */
1614 bsd_ctrl_iface(drv, 0);
1616 wpa_driver_bsd_set_wpa_internal(drv, drv->prev_wpa, drv->prev_privacy);
1617 if (set80211param(drv, IEEE80211_IOC_ROAMING, drv->prev_roaming) < 0)
1618 wpa_printf(MSG_DEBUG, "%s: failed to restore roaming state",
1621 if (drv->sock_xmit != NULL)
1622 l2_packet_deinit(drv->sock_xmit);
1623 (void) close(drv->route); /* ioctl socket */
1624 (void) close(drv->sock); /* event socket */
1625 os_free(drv->event_buf);
1630 wpa_driver_bsd_get_capa(void *priv, struct wpa_driver_capa *capa)
1632 struct bsd_driver_data *drv = priv;
1634 os_memcpy(capa, &drv->capa, sizeof(*capa));
1637 #endif /* HOSTAPD */
1640 const struct wpa_driver_ops wpa_driver_bsd_ops = {
1642 .desc = "BSD 802.11 support",
1644 .hapd_init = bsd_init,
1645 .hapd_deinit = bsd_deinit,
1646 .set_privacy = bsd_set_privacy,
1647 .get_seqnum = bsd_get_seqnum,
1649 .read_sta_data = bsd_read_sta_driver_data,
1650 .sta_disassoc = bsd_sta_disassoc,
1651 .sta_deauth = bsd_sta_deauth,
1652 .sta_set_flags = bsd_set_sta_authorized,
1653 .commit = bsd_commit,
1655 .init = wpa_driver_bsd_init,
1656 .deinit = wpa_driver_bsd_deinit,
1657 .get_bssid = wpa_driver_bsd_get_bssid,
1658 .get_ssid = wpa_driver_bsd_get_ssid,
1659 .set_countermeasures = wpa_driver_bsd_set_countermeasures,
1660 .scan2 = wpa_driver_bsd_scan,
1661 .get_scan_results2 = wpa_driver_bsd_get_scan_results2,
1662 .deauthenticate = wpa_driver_bsd_deauthenticate,
1663 .associate = wpa_driver_bsd_associate,
1664 .get_capa = wpa_driver_bsd_get_capa,
1665 #endif /* HOSTAPD */
1666 .set_freq = bsd_set_freq,
1667 .set_key = bsd_set_key,
1668 .set_ieee8021x = bsd_set_ieee8021x,
1669 .hapd_set_ssid = bsd_set_ssid,
1670 .hapd_get_ssid = bsd_get_ssid,
1671 .hapd_send_eapol = bsd_send_eapol,
1672 .set_generic_elem = bsd_set_opt_ie,