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_global {
51 int sock; /* socket for 802.11 ioctls */
52 int route; /* routing socket for events */
55 struct dl_list ifaces; /* list of interfaces */
58 struct bsd_driver_data {
60 struct bsd_driver_global *global;
61 struct hostapd_data *hapd; /* back pointer */
63 struct l2_packet_data *sock_xmit;/* raw packet xmit socket */
64 char ifname[IFNAMSIZ+1]; /* interface name */
66 unsigned int ifindex; /* interface index */
68 struct wpa_driver_capa capa; /* driver capability */
69 int is_ap; /* Access point mode */
70 int prev_roaming; /* roaming state to restore on deinit */
71 int prev_privacy; /* privacy state to restore on deinit */
72 int prev_wpa; /* wpa state to restore on deinit */
73 enum ieee80211_opmode opmode; /* operation mode */
76 /* Generic functions for hostapd and wpa_supplicant */
78 static struct bsd_driver_data *
79 bsd_get_drvindex(void *priv, unsigned int ifindex)
81 struct bsd_driver_global *global = priv;
82 struct bsd_driver_data *drv;
84 dl_list_for_each(drv, &global->ifaces, struct bsd_driver_data, list) {
85 if (drv->ifindex == ifindex)
92 bsd_set80211(void *priv, int op, int val, const void *arg, int arg_len)
94 struct bsd_driver_data *drv = priv;
95 struct ieee80211req ireq;
97 if (drv->ifindex == 0)
100 os_memset(&ireq, 0, sizeof(ireq));
101 os_strlcpy(ireq.i_name, drv->ifname, sizeof(ireq.i_name));
104 ireq.i_data = (void *) arg;
105 ireq.i_len = arg_len;
107 if (ioctl(drv->global->sock, SIOCS80211, &ireq) < 0) {
108 wpa_printf(MSG_ERROR, "ioctl[SIOCS80211, op=%u, val=%u, "
109 "arg_len=%u]: %s", op, val, arg_len,
117 bsd_get80211(void *priv, struct ieee80211req *ireq, int op, void *arg,
120 struct bsd_driver_data *drv = priv;
122 os_memset(ireq, 0, sizeof(*ireq));
123 os_strlcpy(ireq->i_name, drv->ifname, sizeof(ireq->i_name));
125 ireq->i_len = arg_len;
128 if (ioctl(drv->global->sock, SIOCG80211, ireq) < 0) {
129 wpa_printf(MSG_ERROR, "ioctl[SIOCS80211, op=%u, "
130 "arg_len=%u]: %s", op, arg_len, strerror(errno));
137 get80211var(struct bsd_driver_data *drv, int op, void *arg, int arg_len)
139 struct ieee80211req ireq;
141 if (bsd_get80211(drv, &ireq, op, arg, arg_len) < 0)
147 set80211var(struct bsd_driver_data *drv, int op, const void *arg, int arg_len)
149 return bsd_set80211(drv, op, 0, arg, arg_len);
153 set80211param(struct bsd_driver_data *drv, int op, int arg)
155 return bsd_set80211(drv, op, arg, NULL, 0);
159 bsd_get_ssid(void *priv, u8 *ssid, int len)
161 struct bsd_driver_data *drv = priv;
162 #ifdef SIOCG80211NWID
163 struct ieee80211_nwid nwid;
166 os_memset(&ifr, 0, sizeof(ifr));
167 os_strlcpy(ifr.ifr_name, drv->ifname, sizeof(ifr.ifr_name));
168 ifr.ifr_data = (void *)&nwid;
169 if (ioctl(drv->global->sock, SIOCG80211NWID, &ifr) < 0 ||
170 nwid.i_len > IEEE80211_NWID_LEN)
172 os_memcpy(ssid, nwid.i_nwid, nwid.i_len);
175 return get80211var(drv, IEEE80211_IOC_SSID, ssid, IEEE80211_NWID_LEN);
180 bsd_set_ssid(void *priv, const u8 *ssid, int ssid_len)
182 struct bsd_driver_data *drv = priv;
183 #ifdef SIOCS80211NWID
184 struct ieee80211_nwid nwid;
187 os_memcpy(nwid.i_nwid, ssid, ssid_len);
188 nwid.i_len = ssid_len;
189 os_memset(&ifr, 0, sizeof(ifr));
190 os_strlcpy(ifr.ifr_name, drv->ifname, sizeof(ifr.ifr_name));
191 ifr.ifr_data = (void *)&nwid;
192 return ioctl(drv->global->sock, SIOCS80211NWID, &ifr);
194 return set80211var(drv, IEEE80211_IOC_SSID, ssid, ssid_len);
199 bsd_get_if_media(void *priv)
201 struct bsd_driver_data *drv = priv;
202 struct ifmediareq ifmr;
204 os_memset(&ifmr, 0, sizeof(ifmr));
205 os_strlcpy(ifmr.ifm_name, drv->ifname, sizeof(ifmr.ifm_name));
207 if (ioctl(drv->global->sock, SIOCGIFMEDIA, &ifmr) < 0) {
208 wpa_printf(MSG_ERROR, "%s: SIOCGIFMEDIA %s", __func__,
213 return ifmr.ifm_current;
217 bsd_set_if_media(void *priv, int media)
219 struct bsd_driver_data *drv = priv;
222 os_memset(&ifr, 0, sizeof(ifr));
223 os_strlcpy(ifr.ifr_name, drv->ifname, sizeof(ifr.ifr_name));
224 ifr.ifr_media = media;
226 if (ioctl(drv->global->sock, SIOCSIFMEDIA, &ifr) < 0) {
227 wpa_printf(MSG_ERROR, "%s: SIOCSIFMEDIA %s", __func__,
236 bsd_set_mediaopt(void *priv, uint32_t mask, uint32_t mode)
238 int media = bsd_get_if_media(priv);
244 if (bsd_set_if_media(priv, media) < 0)
250 bsd_del_key(void *priv, const u8 *addr, int key_idx)
252 struct ieee80211req_del_key wk;
254 os_memset(&wk, 0, sizeof(wk));
256 wpa_printf(MSG_DEBUG, "%s: key_idx=%d", __func__, key_idx);
257 wk.idk_keyix = key_idx;
259 wpa_printf(MSG_DEBUG, "%s: addr=" MACSTR, __func__,
261 os_memcpy(wk.idk_macaddr, addr, IEEE80211_ADDR_LEN);
262 wk.idk_keyix = (u_int8_t) IEEE80211_KEYIX_NONE; /* XXX */
265 return set80211var(priv, IEEE80211_IOC_DELKEY, &wk, sizeof(wk));
269 bsd_send_mlme_param(void *priv, const u8 op, const u16 reason, const u8 *addr)
271 struct ieee80211req_mlme mlme;
273 os_memset(&mlme, 0, sizeof(mlme));
275 mlme.im_reason = reason;
276 os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
277 return set80211var(priv, IEEE80211_IOC_MLME, &mlme, sizeof(mlme));
281 bsd_ctrl_iface(void *priv, int enable)
283 struct bsd_driver_data *drv = priv;
286 os_memset(&ifr, 0, sizeof(ifr));
287 os_strlcpy(ifr.ifr_name, drv->ifname, sizeof(ifr.ifr_name));
289 if (ioctl(drv->global->sock, SIOCGIFFLAGS, &ifr) < 0) {
290 wpa_printf(MSG_ERROR, "ioctl[SIOCGIFFLAGS]: %s",
294 drv->flags = ifr.ifr_flags;
297 if (ifr.ifr_flags & IFF_UP)
299 ifr.ifr_flags |= IFF_UP;
301 if (!(ifr.ifr_flags & IFF_UP))
303 ifr.ifr_flags &= ~IFF_UP;
306 if (ioctl(drv->global->sock, SIOCSIFFLAGS, &ifr) < 0) {
307 wpa_printf(MSG_ERROR, "ioctl[SIOCSIFFLAGS]: %s",
312 drv->flags = ifr.ifr_flags;
317 bsd_set_key(const char *ifname, void *priv, enum wpa_alg alg,
318 const unsigned char *addr, int key_idx, int set_tx, const u8 *seq,
319 size_t seq_len, const u8 *key, size_t key_len)
321 struct ieee80211req_key wk;
322 #ifdef IEEE80211_KEY_NOREPLAY
323 struct bsd_driver_data *drv = priv;
324 #endif /* IEEE80211_KEY_NOREPLAY */
326 wpa_printf(MSG_DEBUG, "%s: alg=%d addr=%p key_idx=%d set_tx=%d "
327 "seq_len=%zu key_len=%zu", __func__, alg, addr, key_idx,
328 set_tx, seq_len, key_len);
330 if (alg == WPA_ALG_NONE) {
332 if (addr == NULL || is_broadcast_ether_addr(addr))
333 return bsd_del_key(priv, NULL, key_idx);
336 return bsd_del_key(priv, addr, key_idx);
339 os_memset(&wk, 0, sizeof(wk));
342 wk.ik_type = IEEE80211_CIPHER_WEP;
345 wk.ik_type = IEEE80211_CIPHER_TKIP;
348 wk.ik_type = IEEE80211_CIPHER_AES_CCM;
351 wpa_printf(MSG_ERROR, "%s: unknown alg=%d", __func__, alg);
355 wk.ik_flags = IEEE80211_KEY_RECV;
357 wk.ik_flags |= IEEE80211_KEY_XMIT;
360 os_memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN);
361 wk.ik_keyix = key_idx;
363 os_memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
365 * Deduce whether group/global or unicast key by checking
366 * the address (yech). Note also that we can only mark global
367 * keys default; doing this for a unicast key is an error.
369 if (is_broadcast_ether_addr(addr)) {
370 wk.ik_flags |= IEEE80211_KEY_GROUP;
371 wk.ik_keyix = key_idx;
373 wk.ik_keyix = key_idx == 0 ? IEEE80211_KEYIX_NONE :
377 if (wk.ik_keyix != IEEE80211_KEYIX_NONE && set_tx)
378 wk.ik_flags |= IEEE80211_KEY_DEFAULT;
380 #ifdef IEEE80211_KEY_NOREPLAY
382 * Ignore replay failures in IBSS and AHDEMO mode.
384 if (drv->opmode == IEEE80211_M_IBSS ||
385 drv->opmode == IEEE80211_M_AHDEMO)
386 wk.ik_flags |= IEEE80211_KEY_NOREPLAY;
387 #endif /* IEEE80211_KEY_NOREPLAY */
389 wk.ik_keylen = key_len;
391 #ifdef WORDS_BIGENDIAN
393 * wk.ik_keyrsc is in host byte order (big endian), need to
394 * swap it to match with the byte order used in WPA.
397 u8 *keyrsc = (u8 *) &wk.ik_keyrsc;
398 for (i = 0; i < seq_len; i++)
399 keyrsc[WPA_KEY_RSC_LEN - i - 1] = seq[i];
400 #else /* WORDS_BIGENDIAN */
401 os_memcpy(&wk.ik_keyrsc, seq, seq_len);
402 #endif /* WORDS_BIGENDIAN */
404 os_memcpy(wk.ik_keydata, key, key_len);
406 return set80211var(priv, IEEE80211_IOC_WPAKEY, &wk, sizeof(wk));
410 bsd_configure_wpa(void *priv, struct wpa_bss_params *params)
412 #ifndef IEEE80211_IOC_APPIE
413 static const char *ciphernames[] =
414 { "WEP", "TKIP", "AES-OCB", "AES-CCM", "CKIP", "NONE" };
417 switch (params->wpa_group) {
418 case WPA_CIPHER_CCMP:
419 v = IEEE80211_CIPHER_AES_CCM;
421 case WPA_CIPHER_TKIP:
422 v = IEEE80211_CIPHER_TKIP;
424 case WPA_CIPHER_WEP104:
425 v = IEEE80211_CIPHER_WEP;
427 case WPA_CIPHER_WEP40:
428 v = IEEE80211_CIPHER_WEP;
430 case WPA_CIPHER_NONE:
431 v = IEEE80211_CIPHER_NONE;
434 wpa_printf(MSG_INFO, "Unknown group key cipher %u",
438 wpa_printf(MSG_DEBUG, "%s: group key cipher=%s (%u)",
439 __func__, ciphernames[v], v);
440 if (set80211param(priv, IEEE80211_IOC_MCASTCIPHER, v)) {
442 "Unable to set group key cipher to %u (%s)",
446 if (v == IEEE80211_CIPHER_WEP) {
447 /* key length is done only for specific ciphers */
448 v = (params->wpa_group == WPA_CIPHER_WEP104 ? 13 : 5);
449 if (set80211param(priv, IEEE80211_IOC_MCASTKEYLEN, v)) {
451 "Unable to set group key length to %u", v);
457 if (params->wpa_pairwise & WPA_CIPHER_CCMP)
458 v |= 1<<IEEE80211_CIPHER_AES_CCM;
459 if (params->wpa_pairwise & WPA_CIPHER_TKIP)
460 v |= 1<<IEEE80211_CIPHER_TKIP;
461 if (params->wpa_pairwise & WPA_CIPHER_NONE)
462 v |= 1<<IEEE80211_CIPHER_NONE;
463 wpa_printf(MSG_DEBUG, "%s: pairwise key ciphers=0x%x", __func__, v);
464 if (set80211param(priv, IEEE80211_IOC_UCASTCIPHERS, v)) {
466 "Unable to set pairwise key ciphers to 0x%x", v);
470 wpa_printf(MSG_DEBUG, "%s: key management algorithms=0x%x",
471 __func__, params->wpa_key_mgmt);
472 if (set80211param(priv, IEEE80211_IOC_KEYMGTALGS,
473 params->wpa_key_mgmt)) {
475 "Unable to set key management algorithms to 0x%x",
476 params->wpa_key_mgmt);
481 if (params->rsn_preauth)
483 wpa_printf(MSG_DEBUG, "%s: rsn capabilities=0x%x",
484 __func__, params->rsn_preauth);
485 if (set80211param(priv, IEEE80211_IOC_RSNCAPS, v)) {
486 wpa_printf(MSG_INFO, "Unable to set RSN capabilities to 0x%x",
490 #endif /* IEEE80211_IOC_APPIE */
492 wpa_printf(MSG_DEBUG, "%s: enable WPA= 0x%x", __func__, params->wpa);
493 if (set80211param(priv, IEEE80211_IOC_WPA, params->wpa)) {
494 wpa_printf(MSG_INFO, "Unable to set WPA to %u", params->wpa);
501 bsd_set_ieee8021x(void *priv, struct wpa_bss_params *params)
503 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, params->enabled);
505 if (!params->enabled) {
506 /* XXX restore state */
507 return set80211param(priv, IEEE80211_IOC_AUTHMODE,
508 IEEE80211_AUTH_AUTO);
510 if (!params->wpa && !params->ieee802_1x) {
511 wpa_printf(MSG_ERROR, "%s: No 802.1X or WPA enabled",
515 if (params->wpa && bsd_configure_wpa(priv, params) != 0) {
516 wpa_printf(MSG_ERROR, "%s: Failed to configure WPA state",
520 if (set80211param(priv, IEEE80211_IOC_AUTHMODE,
521 (params->wpa ? IEEE80211_AUTH_WPA : IEEE80211_AUTH_8021X))) {
522 wpa_printf(MSG_ERROR, "%s: Failed to enable WPA/802.1X",
526 return bsd_ctrl_iface(priv, 1);
530 bsd_new_sta(void *priv, void *ctx, u8 addr[IEEE80211_ADDR_LEN])
532 struct ieee80211req_wpaie ie;
537 * Fetch and validate any negotiated WPA/RSN parameters.
539 memset(&ie, 0, sizeof(ie));
540 memcpy(ie.wpa_macaddr, addr, IEEE80211_ADDR_LEN);
541 if (get80211var(priv, IEEE80211_IOC_WPAIE, &ie, sizeof(ie)) < 0) {
543 "Failed to get WPA/RSN information element");
547 ielen = ie.wpa_ie[1];
554 drv_event_assoc(ctx, addr, iebuf, ielen, 0);
558 bsd_send_eapol(void *priv, const u8 *addr, const u8 *data, size_t data_len,
559 int encrypt, const u8 *own_addr, u32 flags)
561 struct bsd_driver_data *drv = priv;
563 wpa_hexdump(MSG_MSGDUMP, "TX EAPOL", data, data_len);
565 return l2_packet_send(drv->sock_xmit, addr, ETH_P_EAPOL, data,
570 bsd_set_freq(void *priv, struct hostapd_freq_params *freq)
572 struct bsd_driver_data *drv = priv;
573 #ifdef SIOCS80211CHANNEL
574 struct ieee80211chanreq creq;
575 #endif /* SIOCS80211CHANNEL */
577 int channel = freq->channel;
581 #ifdef CONFIG_IEEE80211N
582 freq->ht_enabled ? IFM_IEEE80211_11NG :
583 #endif /* CONFIG_IEEE80211N */
585 } else if (channel == 14) {
586 mode = IFM_IEEE80211_11B;
589 #ifdef CONFIG_IEEE80211N
590 freq->ht_enabled ? IFM_IEEE80211_11NA :
591 #endif /* CONFIG_IEEE80211N */
594 if (bsd_set_mediaopt(drv, IFM_MMASK, mode) < 0) {
595 wpa_printf(MSG_ERROR, "%s: failed to set modulation mode",
600 #ifdef SIOCS80211CHANNEL
601 os_memset(&creq, 0, sizeof(creq));
602 os_strlcpy(creq.i_name, drv->ifname, sizeof(creq.i_name));
603 creq.i_channel = (u_int16_t)channel;
604 return ioctl(drv->global->sock, SIOCS80211CHANNEL, &creq);
605 #else /* SIOCS80211CHANNEL */
606 return set80211param(priv, IEEE80211_IOC_CHANNEL, channel);
607 #endif /* SIOCS80211CHANNEL */
611 bsd_set_opt_ie(void *priv, const u8 *ie, size_t ie_len)
613 #ifdef IEEE80211_IOC_APPIE
614 wpa_printf(MSG_DEBUG, "%s: set WPA+RSN ie (len %lu)", __func__,
615 (unsigned long)ie_len);
616 return bsd_set80211(priv, IEEE80211_IOC_APPIE, IEEE80211_APPIE_WPA,
618 #endif /* IEEE80211_IOC_APPIE */
627 int mib[6] = {CTL_NET, AF_ROUTE, 0, AF_INET, NET_RT_DUMP, 0};
629 if (sysctl(mib, 6, NULL, &len, NULL, 0) < 0) {
630 wpa_printf(MSG_WARNING, "%s failed: %s", __func__,
641 * Avoid conflicts with hostapd definitions by undefining couple of defines
642 * from net80211 header files.
648 static int bsd_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
652 ether_sprintf(const u8 *addr)
654 static char buf[sizeof(MACSTR)];
657 snprintf(buf, sizeof(buf), MACSTR, MAC2STR(addr));
659 snprintf(buf, sizeof(buf), MACSTR, 0,0,0,0,0,0);
664 bsd_set_privacy(void *priv, int enabled)
666 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled);
668 return set80211param(priv, IEEE80211_IOC_PRIVACY, enabled);
672 bsd_get_seqnum(const char *ifname, void *priv, const u8 *addr, int idx,
675 struct ieee80211req_key wk;
677 wpa_printf(MSG_DEBUG, "%s: addr=%s idx=%d",
678 __func__, ether_sprintf(addr), idx);
680 memset(&wk, 0, sizeof(wk));
682 memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN);
684 memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
687 if (get80211var(priv, IEEE80211_IOC_WPAKEY, &wk, sizeof(wk)) < 0) {
688 wpa_printf(MSG_INFO, "Failed to get encryption");
692 #ifdef WORDS_BIGENDIAN
695 * wk.ik_keytsc is in host byte order (big endian), need to
696 * swap it to match with the byte order used in WPA.
699 u8 tmp[WPA_KEY_RSC_LEN];
700 memcpy(tmp, &wk.ik_keytsc, sizeof(wk.ik_keytsc));
701 for (i = 0; i < WPA_KEY_RSC_LEN; i++) {
702 seq[i] = tmp[WPA_KEY_RSC_LEN - i - 1];
705 #else /* WORDS_BIGENDIAN */
706 memcpy(seq, &wk.ik_keytsc, sizeof(wk.ik_keytsc));
707 #endif /* WORDS_BIGENDIAN */
713 bsd_flush(void *priv)
715 u8 allsta[IEEE80211_ADDR_LEN];
717 memset(allsta, 0xff, IEEE80211_ADDR_LEN);
718 return bsd_sta_deauth(priv, NULL, allsta, IEEE80211_REASON_AUTH_LEAVE);
723 bsd_read_sta_driver_data(void *priv, struct hostap_sta_driver_data *data,
726 struct ieee80211req_sta_stats stats;
728 memcpy(stats.is_u.macaddr, addr, IEEE80211_ADDR_LEN);
729 if (get80211var(priv, IEEE80211_IOC_STA_STATS, &stats, sizeof(stats))
731 /* XXX? do packets counts include non-data frames? */
732 data->rx_packets = stats.is_stats.ns_rx_data;
733 data->rx_bytes = stats.is_stats.ns_rx_bytes;
734 data->tx_packets = stats.is_stats.ns_tx_data;
735 data->tx_bytes = stats.is_stats.ns_tx_bytes;
741 bsd_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr, int reason_code)
743 return bsd_send_mlme_param(priv, IEEE80211_MLME_DEAUTH, reason_code,
748 bsd_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
751 return bsd_send_mlme_param(priv, IEEE80211_MLME_DISASSOC, reason_code,
756 bsd_wireless_event_receive(int sock, void *ctx, void *sock_ctx)
758 struct bsd_driver_global *global = sock_ctx;
759 struct bsd_driver_data *drv;
760 struct if_announcemsghdr *ifan;
761 struct rt_msghdr *rtm;
762 struct ieee80211_michael_event *mic;
763 struct ieee80211_join_event *join;
764 struct ieee80211_leave_event *leave;
766 union wpa_event_data data;
768 n = read(sock, global->event_buf, global->event_buf_len);
770 if (errno != EINTR && errno != EAGAIN)
771 wpa_printf(MSG_ERROR, "%s read() failed: %s",
772 __func__, strerror(errno));
776 rtm = (struct rt_msghdr *) global->event_buf;
777 if (rtm->rtm_version != RTM_VERSION) {
778 wpa_printf(MSG_DEBUG, "Invalid routing message version=%d",
782 switch (rtm->rtm_type) {
784 ifan = (struct if_announcemsghdr *) rtm;
785 drv = bsd_get_drvindex(global, ifan->ifan_index);
788 switch (ifan->ifan_what) {
789 case RTM_IEEE80211_ASSOC:
790 case RTM_IEEE80211_REASSOC:
791 case RTM_IEEE80211_DISASSOC:
792 case RTM_IEEE80211_SCAN:
794 case RTM_IEEE80211_LEAVE:
795 leave = (struct ieee80211_leave_event *) &ifan[1];
796 drv_event_disassoc(drv->hapd, leave->iev_addr);
798 case RTM_IEEE80211_JOIN:
799 #ifdef RTM_IEEE80211_REJOIN
800 case RTM_IEEE80211_REJOIN:
802 join = (struct ieee80211_join_event *) &ifan[1];
803 bsd_new_sta(drv, drv->hapd, join->iev_addr);
805 case RTM_IEEE80211_REPLAY:
808 case RTM_IEEE80211_MICHAEL:
809 mic = (struct ieee80211_michael_event *) &ifan[1];
810 wpa_printf(MSG_DEBUG,
811 "Michael MIC failure wireless event: "
812 "keyix=%u src_addr=" MACSTR, mic->iev_keyix,
813 MAC2STR(mic->iev_src));
814 os_memset(&data, 0, sizeof(data));
815 data.michael_mic_failure.unicast = 1;
816 data.michael_mic_failure.src = mic->iev_src;
817 wpa_supplicant_event(drv->hapd,
818 EVENT_MICHAEL_MIC_FAILURE, &data);
826 handle_read(void *ctx, const u8 *src_addr, const u8 *buf, size_t len)
828 struct bsd_driver_data *drv = ctx;
829 drv_event_eapol_rx(drv->hapd, src_addr, buf, len);
833 bsd_init(struct hostapd_data *hapd, struct wpa_init_params *params)
835 struct bsd_driver_data *drv;
837 drv = os_zalloc(sizeof(struct bsd_driver_data));
839 wpa_printf(MSG_ERROR, "Could not allocate memory for bsd driver data");
843 drv->ifindex = if_nametoindex(params->ifname);
844 if (drv->ifindex == 0) {
845 wpa_printf(MSG_DEBUG, "%s: interface %s does not exist",
846 __func__, params->ifname);
851 drv->global = params->global_priv;
852 os_strlcpy(drv->ifname, params->ifname, sizeof(drv->ifname));
854 drv->sock_xmit = l2_packet_init(drv->ifname, NULL, ETH_P_EAPOL,
855 handle_read, drv, 0);
856 if (drv->sock_xmit == NULL)
858 if (l2_packet_get_own_addr(drv->sock_xmit, params->own_addr))
861 /* mark down during setup */
862 if (bsd_ctrl_iface(drv, 0) < 0)
865 if (bsd_set_mediaopt(drv, IFM_OMASK, IFM_IEEE80211_HOSTAP) < 0) {
866 wpa_printf(MSG_ERROR, "%s: failed to set operation mode",
871 dl_list_add(&drv->global->ifaces, &drv->list);
875 if (drv->sock_xmit != NULL)
876 l2_packet_deinit(drv->sock_xmit);
883 bsd_deinit(void *priv)
885 struct bsd_driver_data *drv = priv;
887 if (drv->ifindex != 0)
888 bsd_ctrl_iface(drv, 0);
889 if (drv->sock_xmit != NULL)
890 l2_packet_deinit(drv->sock_xmit);
896 bsd_commit(void *priv)
898 return bsd_ctrl_iface(priv, 1);
903 bsd_set_sta_authorized(void *priv, const u8 *addr,
904 unsigned int total_flags, unsigned int flags_or,
905 unsigned int flags_and)
909 /* For now, only support setting Authorized flag */
910 if (flags_or & WPA_STA_AUTHORIZED)
912 if (!(flags_and & WPA_STA_AUTHORIZED))
918 return bsd_send_mlme_param(priv, authorized ?
919 IEEE80211_MLME_AUTHORIZE :
920 IEEE80211_MLME_UNAUTHORIZE, 0, addr);
925 get80211param(struct bsd_driver_data *drv, int op)
927 struct ieee80211req ireq;
929 if (bsd_get80211(drv, &ireq, op, NULL, 0) < 0)
935 wpa_driver_bsd_get_bssid(void *priv, u8 *bssid)
937 struct bsd_driver_data *drv = priv;
938 #ifdef SIOCG80211BSSID
939 struct ieee80211_bssid bs;
941 os_strlcpy(bs.i_name, drv->ifname, sizeof(bs.i_name));
942 if (ioctl(drv->global->sock, SIOCG80211BSSID, &bs) < 0)
944 os_memcpy(bssid, bs.i_bssid, sizeof(bs.i_bssid));
947 return get80211var(drv, IEEE80211_IOC_BSSID,
948 bssid, IEEE80211_ADDR_LEN) < 0 ? -1 : 0;
953 wpa_driver_bsd_get_ssid(void *priv, u8 *ssid)
955 struct bsd_driver_data *drv = priv;
956 return bsd_get_ssid(drv, ssid, 0);
960 wpa_driver_bsd_set_wpa_ie(struct bsd_driver_data *drv, const u8 *wpa_ie,
963 #ifdef IEEE80211_IOC_APPIE
964 return bsd_set_opt_ie(drv, wpa_ie, wpa_ie_len);
965 #else /* IEEE80211_IOC_APPIE */
966 return set80211var(drv, IEEE80211_IOC_OPTIE, wpa_ie, wpa_ie_len);
967 #endif /* IEEE80211_IOC_APPIE */
971 wpa_driver_bsd_set_wpa_internal(void *priv, int wpa, int privacy)
975 wpa_printf(MSG_DEBUG, "%s: wpa=%d privacy=%d",
976 __func__, wpa, privacy);
978 if (!wpa && wpa_driver_bsd_set_wpa_ie(priv, NULL, 0) < 0)
980 if (set80211param(priv, IEEE80211_IOC_PRIVACY, privacy) < 0)
982 if (set80211param(priv, IEEE80211_IOC_WPA, wpa) < 0)
989 wpa_driver_bsd_set_wpa(void *priv, int enabled)
991 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled);
993 return wpa_driver_bsd_set_wpa_internal(priv, enabled ? 3 : 0, enabled);
997 wpa_driver_bsd_set_countermeasures(void *priv, int enabled)
999 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled);
1000 return set80211param(priv, IEEE80211_IOC_COUNTERMEASURES, enabled);
1005 wpa_driver_bsd_set_drop_unencrypted(void *priv, int enabled)
1007 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled);
1008 return set80211param(priv, IEEE80211_IOC_DROPUNENCRYPTED, enabled);
1012 wpa_driver_bsd_deauthenticate(void *priv, const u8 *addr, int reason_code)
1014 return bsd_send_mlme_param(priv, IEEE80211_MLME_DEAUTH, reason_code,
1019 wpa_driver_bsd_set_auth_alg(void *priv, int auth_alg)
1023 if ((auth_alg & WPA_AUTH_ALG_OPEN) &&
1024 (auth_alg & WPA_AUTH_ALG_SHARED))
1025 authmode = IEEE80211_AUTH_AUTO;
1026 else if (auth_alg & WPA_AUTH_ALG_SHARED)
1027 authmode = IEEE80211_AUTH_SHARED;
1029 authmode = IEEE80211_AUTH_OPEN;
1031 return set80211param(priv, IEEE80211_IOC_AUTHMODE, authmode);
1035 handle_read(void *ctx, const u8 *src_addr, const u8 *buf, size_t len)
1037 struct bsd_driver_data *drv = ctx;
1039 drv_event_eapol_rx(drv->ctx, src_addr, buf, len);
1043 wpa_driver_bsd_associate(void *priv, struct wpa_driver_associate_params *params)
1045 struct bsd_driver_data *drv = priv;
1046 struct ieee80211req_mlme mlme;
1051 wpa_printf(MSG_DEBUG,
1052 "%s: ssid '%.*s' wpa ie len %u pairwise %u group %u key mgmt %u"
1054 , (unsigned int) params->ssid_len, params->ssid
1055 , (unsigned int) params->wpa_ie_len
1056 , params->pairwise_suite
1057 , params->group_suite
1058 , params->key_mgmt_suite
1061 switch (params->mode) {
1062 case IEEE80211_MODE_INFRA:
1065 case IEEE80211_MODE_IBSS:
1066 mode = IFM_IEEE80211_IBSS;
1068 case IEEE80211_MODE_AP:
1069 mode = IFM_IEEE80211_HOSTAP;
1072 wpa_printf(MSG_ERROR, "%s: unknown operation mode", __func__);
1075 if (bsd_set_mediaopt(drv, IFM_OMASK, mode) < 0) {
1076 wpa_printf(MSG_ERROR, "%s: failed to set operation mode",
1081 if (params->mode == IEEE80211_MODE_AP) {
1082 drv->sock_xmit = l2_packet_init(drv->ifname, NULL, ETH_P_EAPOL,
1083 handle_read, drv, 0);
1084 if (drv->sock_xmit == NULL)
1090 if (wpa_driver_bsd_set_drop_unencrypted(drv, params->drop_unencrypted)
1093 if (wpa_driver_bsd_set_auth_alg(drv, params->auth_alg) < 0)
1095 /* XXX error handling is wrong but unclear what to do... */
1096 if (wpa_driver_bsd_set_wpa_ie(drv, params->wpa_ie, params->wpa_ie_len) < 0)
1099 privacy = !(params->pairwise_suite == WPA_CIPHER_NONE &&
1100 params->group_suite == WPA_CIPHER_NONE &&
1101 params->key_mgmt_suite == WPA_KEY_MGMT_NONE &&
1102 params->wpa_ie_len == 0);
1103 wpa_printf(MSG_DEBUG, "%s: set PRIVACY %u", __func__, privacy);
1105 if (set80211param(drv, IEEE80211_IOC_PRIVACY, privacy) < 0)
1108 if (params->wpa_ie_len &&
1109 set80211param(drv, IEEE80211_IOC_WPA,
1110 params->wpa_ie[0] == WLAN_EID_RSN ? 2 : 1) < 0)
1113 os_memset(&mlme, 0, sizeof(mlme));
1114 mlme.im_op = IEEE80211_MLME_ASSOC;
1115 if (params->ssid != NULL)
1116 os_memcpy(mlme.im_ssid, params->ssid, params->ssid_len);
1117 mlme.im_ssid_len = params->ssid_len;
1118 if (params->bssid != NULL)
1119 os_memcpy(mlme.im_macaddr, params->bssid, IEEE80211_ADDR_LEN);
1120 if (set80211var(drv, IEEE80211_IOC_MLME, &mlme, sizeof(mlme)) < 0)
1126 wpa_driver_bsd_scan(void *priv, struct wpa_driver_scan_params *params)
1128 struct bsd_driver_data *drv = priv;
1129 #ifdef IEEE80211_IOC_SCAN_MAX_SSID
1130 struct ieee80211_scan_req sr;
1132 #endif /* IEEE80211_IOC_SCAN_MAX_SSID */
1134 if (bsd_set_mediaopt(drv, IFM_OMASK, 0 /* STA */) < 0) {
1135 wpa_printf(MSG_ERROR, "%s: failed to set operation mode",
1140 if (set80211param(drv, IEEE80211_IOC_ROAMING,
1141 IEEE80211_ROAMING_MANUAL) < 0) {
1142 wpa_printf(MSG_ERROR, "%s: failed to set "
1143 "wpa_supplicant-based roaming: %s", __func__,
1148 if (wpa_driver_bsd_set_wpa(drv, 1) < 0) {
1149 wpa_printf(MSG_ERROR, "%s: failed to set wpa: %s", __func__,
1154 /* NB: interface must be marked UP to do a scan */
1155 if (bsd_ctrl_iface(drv, 1) < 0)
1158 #ifdef IEEE80211_IOC_SCAN_MAX_SSID
1159 os_memset(&sr, 0, sizeof(sr));
1160 sr.sr_flags = IEEE80211_IOC_SCAN_ACTIVE | IEEE80211_IOC_SCAN_ONCE |
1161 IEEE80211_IOC_SCAN_NOJOIN;
1162 sr.sr_duration = IEEE80211_IOC_SCAN_FOREVER;
1163 if (params->num_ssids > 0) {
1164 sr.sr_nssid = params->num_ssids;
1166 /* Boundary check is done by upper layer */
1167 if (sr.sr_nssid > IEEE80211_IOC_SCAN_MAX_SSID)
1168 sr.sr_nssid = IEEE80211_IOC_SCAN_MAX_SSID;
1171 /* NB: check scan cache first */
1172 sr.sr_flags |= IEEE80211_IOC_SCAN_CHECK;
1174 for (i = 0; i < sr.sr_nssid; i++) {
1175 sr.sr_ssid[i].len = params->ssids[i].ssid_len;
1176 os_memcpy(sr.sr_ssid[i].ssid, params->ssids[i].ssid,
1180 /* NB: net80211 delivers a scan complete event so no need to poll */
1181 return set80211var(drv, IEEE80211_IOC_SCAN_REQ, &sr, sizeof(sr));
1182 #else /* IEEE80211_IOC_SCAN_MAX_SSID */
1183 /* set desired ssid before scan */
1184 if (bsd_set_ssid(drv, params->ssids[0].ssid,
1185 params->ssids[0].ssid_len) < 0)
1188 /* NB: net80211 delivers a scan complete event so no need to poll */
1189 return set80211param(drv, IEEE80211_IOC_SCAN_REQ, 0);
1190 #endif /* IEEE80211_IOC_SCAN_MAX_SSID */
1194 wpa_driver_bsd_event_receive(int sock, void *ctx, void *sock_ctx)
1196 struct bsd_driver_global *global = sock_ctx;
1197 struct bsd_driver_data *drv;
1198 struct if_announcemsghdr *ifan;
1199 struct if_msghdr *ifm;
1200 struct rt_msghdr *rtm;
1201 union wpa_event_data event;
1202 struct ieee80211_michael_event *mic;
1203 struct ieee80211_leave_event *leave;
1204 struct ieee80211_join_event *join;
1207 n = read(sock, global->event_buf, global->event_buf_len);
1209 if (errno != EINTR && errno != EAGAIN)
1210 wpa_printf(MSG_ERROR, "%s read() failed: %s",
1211 __func__, strerror(errno));
1215 rtm = (struct rt_msghdr *) global->event_buf;
1216 if (rtm->rtm_version != RTM_VERSION) {
1217 wpa_printf(MSG_DEBUG, "Invalid routing message version=%d",
1221 os_memset(&event, 0, sizeof(event));
1222 switch (rtm->rtm_type) {
1223 case RTM_IFANNOUNCE:
1224 ifan = (struct if_announcemsghdr *) rtm;
1225 drv = bsd_get_drvindex(global, ifan->ifan_index);
1228 os_strlcpy(event.interface_status.ifname, drv->ifname,
1229 sizeof(event.interface_status.ifname));
1230 switch (ifan->ifan_what) {
1231 case IFAN_DEPARTURE:
1232 event.interface_status.ievent = EVENT_INTERFACE_REMOVED;
1238 wpa_printf(MSG_DEBUG, "RTM_IFANNOUNCE: Interface '%s' %s",
1239 event.interface_status.ifname,
1240 ifan->ifan_what == IFAN_DEPARTURE ?
1241 "removed" : "added");
1242 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
1245 ifan = (struct if_announcemsghdr *) rtm;
1246 drv = bsd_get_drvindex(global, ifan->ifan_index);
1249 switch (ifan->ifan_what) {
1250 case RTM_IEEE80211_ASSOC:
1251 case RTM_IEEE80211_REASSOC:
1254 wpa_supplicant_event(drv->ctx, EVENT_ASSOC, NULL);
1256 case RTM_IEEE80211_DISASSOC:
1259 wpa_supplicant_event(drv->ctx, EVENT_DISASSOC, NULL);
1261 case RTM_IEEE80211_SCAN:
1264 wpa_supplicant_event(drv->ctx, EVENT_SCAN_RESULTS,
1267 case RTM_IEEE80211_LEAVE:
1268 leave = (struct ieee80211_leave_event *) &ifan[1];
1269 drv_event_disassoc(drv->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, 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(drv->ctx,
1292 EVENT_MICHAEL_MIC_FAILURE, &event);
1297 ifm = (struct if_msghdr *) rtm;
1298 drv = bsd_get_drvindex(global, ifm->ifm_index);
1301 if ((ifm->ifm_flags & IFF_UP) == 0 &&
1302 (drv->flags & IFF_UP) != 0) {
1303 wpa_printf(MSG_DEBUG, "RTM_IFINFO: Interface '%s' DOWN",
1305 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_DISABLED,
1307 } else if ((ifm->ifm_flags & IFF_UP) != 0 &&
1308 (drv->flags & IFF_UP) == 0) {
1309 wpa_printf(MSG_DEBUG, "RTM_IFINFO: Interface '%s' UP",
1311 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_ENABLED,
1314 drv->flags = ifm->ifm_flags;
1320 wpa_driver_bsd_add_scan_entry(struct wpa_scan_results *res,
1321 struct ieee80211req_scan_result *sr)
1323 struct wpa_scan_res *result, **tmp;
1327 extra_len = 2 + sr->isr_ssid_len;
1328 extra_len += 2 + sr->isr_nrates;
1329 extra_len += 3; /* ERP IE */
1330 extra_len += sr->isr_ie_len;
1332 result = os_zalloc(sizeof(*result) + extra_len);
1335 os_memcpy(result->bssid, sr->isr_bssid, ETH_ALEN);
1336 result->freq = sr->isr_freq;
1337 result->beacon_int = sr->isr_intval;
1338 result->caps = sr->isr_capinfo;
1339 result->qual = sr->isr_rssi;
1340 result->noise = sr->isr_noise;
1342 * the rssi value reported by the kernel is in 0.5dB steps relative to
1343 * the reported noise floor. see ieee80211_node.h for details.
1345 result->level = sr->isr_rssi / 2 + sr->isr_noise;
1347 pos = (u8 *)(result + 1);
1349 *pos++ = WLAN_EID_SSID;
1350 *pos++ = sr->isr_ssid_len;
1351 os_memcpy(pos, sr + 1, sr->isr_ssid_len);
1352 pos += sr->isr_ssid_len;
1355 * Deal all rates as supported rate.
1356 * Because net80211 doesn't report extended supported rate or not.
1358 *pos++ = WLAN_EID_SUPP_RATES;
1359 *pos++ = sr->isr_nrates;
1360 os_memcpy(pos, sr->isr_rates, sr->isr_nrates);
1361 pos += sr->isr_nrates;
1363 *pos++ = WLAN_EID_ERP_INFO;
1365 *pos++ = sr->isr_erp;
1367 #if defined(__DragonFly__) || defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
1368 os_memcpy(pos, (u8 *)(sr + 1) + sr->isr_ssid_len + sr->isr_meshid_len,
1371 os_memcpy(pos, (u8 *)(sr + 1) + sr->isr_ssid_len, sr->isr_ie_len);
1373 pos += sr->isr_ie_len;
1375 result->ie_len = pos - (u8 *)(result + 1);
1377 tmp = os_realloc_array(res->res, res->num + 1,
1378 sizeof(struct wpa_scan_res *));
1383 tmp[res->num++] = result;
1387 struct wpa_scan_results *
1388 wpa_driver_bsd_get_scan_results2(void *priv)
1390 struct ieee80211req_scan_result *sr;
1391 struct wpa_scan_results *res;
1393 uint8_t buf[24*1024], *pos;
1395 len = get80211var(priv, IEEE80211_IOC_SCAN_RESULTS, buf, 24*1024);
1399 res = os_zalloc(sizeof(*res));
1405 while (rest >= sizeof(struct ieee80211req_scan_result)) {
1406 sr = (struct ieee80211req_scan_result *)pos;
1407 wpa_driver_bsd_add_scan_entry(res, sr);
1409 rest -= sr->isr_len;
1412 wpa_printf(MSG_DEBUG, "Received %d bytes of scan results (%lu BSSes)",
1413 len, (unsigned long)res->num);
1418 static int wpa_driver_bsd_capa(struct bsd_driver_data *drv)
1420 #ifdef IEEE80211_IOC_DEVCAPS
1421 /* kernel definitions copied from net80211/ieee80211_var.h */
1422 #define IEEE80211_CIPHER_WEP 0
1423 #define IEEE80211_CIPHER_TKIP 1
1424 #define IEEE80211_CIPHER_AES_CCM 3
1425 #define IEEE80211_CRYPTO_WEP (1<<IEEE80211_CIPHER_WEP)
1426 #define IEEE80211_CRYPTO_TKIP (1<<IEEE80211_CIPHER_TKIP)
1427 #define IEEE80211_CRYPTO_AES_CCM (1<<IEEE80211_CIPHER_AES_CCM)
1428 #define IEEE80211_C_HOSTAP 0x00000400 /* CAPABILITY: HOSTAP avail */
1429 #define IEEE80211_C_WPA1 0x00800000 /* CAPABILITY: WPA1 avail */
1430 #define IEEE80211_C_WPA2 0x01000000 /* CAPABILITY: WPA2 avail */
1431 struct ieee80211_devcaps_req devcaps;
1433 if (get80211var(drv, IEEE80211_IOC_DEVCAPS, &devcaps,
1434 sizeof(devcaps)) < 0) {
1435 wpa_printf(MSG_ERROR, "failed to IEEE80211_IOC_DEVCAPS: %s",
1440 wpa_printf(MSG_DEBUG, "%s: drivercaps=0x%08x,cryptocaps=0x%08x",
1441 __func__, devcaps.dc_drivercaps, devcaps.dc_cryptocaps);
1443 if (devcaps.dc_drivercaps & IEEE80211_C_WPA1)
1444 drv->capa.key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA |
1445 WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK;
1446 if (devcaps.dc_drivercaps & IEEE80211_C_WPA2)
1447 drv->capa.key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
1448 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK;
1450 if (devcaps.dc_cryptocaps & IEEE80211_CRYPTO_WEP)
1451 drv->capa.enc |= WPA_DRIVER_CAPA_ENC_WEP40 |
1452 WPA_DRIVER_CAPA_ENC_WEP104;
1453 if (devcaps.dc_cryptocaps & IEEE80211_CRYPTO_TKIP)
1454 drv->capa.enc |= WPA_DRIVER_CAPA_ENC_TKIP;
1455 if (devcaps.dc_cryptocaps & IEEE80211_CRYPTO_AES_CCM)
1456 drv->capa.enc |= WPA_DRIVER_CAPA_ENC_CCMP;
1458 if (devcaps.dc_drivercaps & IEEE80211_C_HOSTAP)
1459 drv->capa.flags |= WPA_DRIVER_FLAGS_AP;
1460 #undef IEEE80211_CIPHER_WEP
1461 #undef IEEE80211_CIPHER_TKIP
1462 #undef IEEE80211_CIPHER_AES_CCM
1463 #undef IEEE80211_CRYPTO_WEP
1464 #undef IEEE80211_CRYPTO_TKIP
1465 #undef IEEE80211_CRYPTO_AES_CCM
1466 #undef IEEE80211_C_HOSTAP
1467 #undef IEEE80211_C_WPA1
1468 #undef IEEE80211_C_WPA2
1469 #else /* IEEE80211_IOC_DEVCAPS */
1470 /* For now, assume TKIP, CCMP, WPA, WPA2 are supported */
1471 drv->capa.key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA |
1472 WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
1473 WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
1474 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK;
1475 drv->capa.enc = WPA_DRIVER_CAPA_ENC_WEP40 |
1476 WPA_DRIVER_CAPA_ENC_WEP104 |
1477 WPA_DRIVER_CAPA_ENC_TKIP |
1478 WPA_DRIVER_CAPA_ENC_CCMP;
1479 drv->capa.flags |= WPA_DRIVER_FLAGS_AP;
1480 #endif /* IEEE80211_IOC_DEVCAPS */
1481 #ifdef IEEE80211_IOC_SCAN_MAX_SSID
1482 drv->capa.max_scan_ssids = IEEE80211_IOC_SCAN_MAX_SSID;
1483 #else /* IEEE80211_IOC_SCAN_MAX_SSID */
1484 drv->capa.max_scan_ssids = 1;
1485 #endif /* IEEE80211_IOC_SCAN_MAX_SSID */
1486 drv->capa.auth = WPA_DRIVER_AUTH_OPEN |
1487 WPA_DRIVER_AUTH_SHARED |
1488 WPA_DRIVER_AUTH_LEAP;
1492 static enum ieee80211_opmode
1493 get80211opmode(struct bsd_driver_data *drv)
1495 struct ifmediareq ifmr;
1497 (void) memset(&ifmr, 0, sizeof(ifmr));
1498 (void) os_strlcpy(ifmr.ifm_name, drv->ifname, sizeof(ifmr.ifm_name));
1500 if (ioctl(drv->global->sock, SIOCGIFMEDIA, (caddr_t)&ifmr) >= 0) {
1501 if (ifmr.ifm_current & IFM_IEEE80211_ADHOC) {
1502 if (ifmr.ifm_current & IFM_FLAG0)
1503 return IEEE80211_M_AHDEMO;
1505 return IEEE80211_M_IBSS;
1507 if (ifmr.ifm_current & IFM_IEEE80211_HOSTAP)
1508 return IEEE80211_M_HOSTAP;
1509 if (ifmr.ifm_current & IFM_IEEE80211_MONITOR)
1510 return IEEE80211_M_MONITOR;
1511 #ifdef IEEE80211_M_MBSS
1512 if (ifmr.ifm_current & IFM_IEEE80211_MBSS)
1513 return IEEE80211_M_MBSS;
1514 #endif /* IEEE80211_M_MBSS */
1516 return IEEE80211_M_STA;
1520 wpa_driver_bsd_init(void *ctx, const char *ifname, void *priv)
1522 #define GETPARAM(drv, param, v) \
1523 (((v) = get80211param(drv, param)) != -1)
1524 struct bsd_driver_data *drv;
1526 drv = os_zalloc(sizeof(*drv));
1531 * NB: We require the interface name be mappable to an index.
1532 * This implies we do not support having wpa_supplicant
1533 * wait for an interface to appear. This seems ok; that
1534 * doesn't belong here; it's really the job of devd.
1536 drv->ifindex = if_nametoindex(ifname);
1537 if (drv->ifindex == 0) {
1538 wpa_printf(MSG_DEBUG, "%s: interface %s does not exist",
1546 os_strlcpy(drv->ifname, ifname, sizeof(drv->ifname));
1547 /* Down interface during setup. */
1548 if (bsd_ctrl_iface(drv, 0) < 0)
1551 if (!GETPARAM(drv, IEEE80211_IOC_ROAMING, drv->prev_roaming)) {
1552 wpa_printf(MSG_DEBUG, "%s: failed to get roaming state: %s",
1553 __func__, strerror(errno));
1556 if (!GETPARAM(drv, IEEE80211_IOC_PRIVACY, drv->prev_privacy)) {
1557 wpa_printf(MSG_DEBUG, "%s: failed to get privacy state: %s",
1558 __func__, strerror(errno));
1561 if (!GETPARAM(drv, IEEE80211_IOC_WPA, drv->prev_wpa)) {
1562 wpa_printf(MSG_DEBUG, "%s: failed to get wpa state: %s",
1563 __func__, strerror(errno));
1567 if (wpa_driver_bsd_capa(drv))
1570 drv->opmode = get80211opmode(drv);
1571 dl_list_add(&drv->global->ifaces, &drv->list);
1581 wpa_driver_bsd_deinit(void *priv)
1583 struct bsd_driver_data *drv = priv;
1585 if (drv->ifindex != 0) {
1586 wpa_driver_bsd_set_wpa(drv, 0);
1588 /* NB: mark interface down */
1589 bsd_ctrl_iface(drv, 0);
1591 wpa_driver_bsd_set_wpa_internal(drv, drv->prev_wpa,
1594 if (set80211param(drv, IEEE80211_IOC_ROAMING, drv->prev_roaming)
1596 wpa_printf(MSG_DEBUG,
1597 "%s: failed to restore roaming state",
1601 if (drv->sock_xmit != NULL)
1602 l2_packet_deinit(drv->sock_xmit);
1603 dl_list_del(&drv->list);
1608 wpa_driver_bsd_get_capa(void *priv, struct wpa_driver_capa *capa)
1610 struct bsd_driver_data *drv = priv;
1612 os_memcpy(capa, &drv->capa, sizeof(*capa));
1615 #endif /* HOSTAPD */
1618 bsd_global_init(void)
1620 struct bsd_driver_global *global;
1622 global = os_zalloc(sizeof(*global));
1626 dl_list_init(&global->ifaces);
1628 global->sock = socket(PF_INET, SOCK_DGRAM, 0);
1629 if (global->sock < 0) {
1630 wpa_printf(MSG_ERROR, "socket[PF_INET,SOCK_DGRAM]: %s",
1635 global->route = socket(PF_ROUTE, SOCK_RAW, 0);
1636 if (global->route < 0) {
1637 wpa_printf(MSG_ERROR, "socket[PF_ROUTE,SOCK_RAW]: %s",
1642 global->event_buf_len = rtbuf_len();
1643 global->event_buf = os_malloc(global->event_buf_len);
1644 if (global->event_buf == NULL) {
1645 wpa_printf(MSG_ERROR, "%s: os_malloc() failed", __func__);
1650 eloop_register_read_sock(global->route, bsd_wireless_event_receive,
1654 eloop_register_read_sock(global->route, wpa_driver_bsd_event_receive,
1656 #endif /* HOSTAPD */
1661 close(global->sock);
1668 bsd_global_deinit(void *priv)
1670 struct bsd_driver_global *global = priv;
1672 eloop_unregister_read_sock(global->route);
1673 (void) close(global->route);
1674 (void) close(global->sock);
1679 const struct wpa_driver_ops wpa_driver_bsd_ops = {
1681 .desc = "BSD 802.11 support",
1682 .global_init = bsd_global_init,
1683 .global_deinit = bsd_global_deinit,
1685 .hapd_init = bsd_init,
1686 .hapd_deinit = bsd_deinit,
1687 .set_privacy = bsd_set_privacy,
1688 .get_seqnum = bsd_get_seqnum,
1690 .read_sta_data = bsd_read_sta_driver_data,
1691 .sta_disassoc = bsd_sta_disassoc,
1692 .sta_deauth = bsd_sta_deauth,
1693 .sta_set_flags = bsd_set_sta_authorized,
1694 .commit = bsd_commit,
1696 .init2 = wpa_driver_bsd_init,
1697 .deinit = wpa_driver_bsd_deinit,
1698 .get_bssid = wpa_driver_bsd_get_bssid,
1699 .get_ssid = wpa_driver_bsd_get_ssid,
1700 .set_countermeasures = wpa_driver_bsd_set_countermeasures,
1701 .scan2 = wpa_driver_bsd_scan,
1702 .get_scan_results2 = wpa_driver_bsd_get_scan_results2,
1703 .deauthenticate = wpa_driver_bsd_deauthenticate,
1704 .associate = wpa_driver_bsd_associate,
1705 .get_capa = wpa_driver_bsd_get_capa,
1706 #endif /* HOSTAPD */
1707 .set_freq = bsd_set_freq,
1708 .set_key = bsd_set_key,
1709 .set_ieee8021x = bsd_set_ieee8021x,
1710 .hapd_set_ssid = bsd_set_ssid,
1711 .hapd_get_ssid = bsd_get_ssid,
1712 .hapd_send_eapol = bsd_send_eapol,
1713 .set_generic_elem = bsd_set_opt_ie,