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)
196 bsd_del_key(int s
, const char *ifname
, const u8
*addr
, int key_idx
)
198 struct ieee80211req_del_key wk
;
200 os_memset(&wk
, 0, sizeof(wk
));
202 wpa_printf(MSG_DEBUG
, "%s: key_idx=%d", __func__
, key_idx
);
203 wk
.idk_keyix
= key_idx
;
205 wpa_printf(MSG_DEBUG
, "%s: addr=" MACSTR
, __func__
,
207 os_memcpy(wk
.idk_macaddr
, addr
, IEEE80211_ADDR_LEN
);
208 wk
.idk_keyix
= (u_int8_t
) IEEE80211_KEYIX_NONE
; /* XXX */
211 return bsd_set80211var(s
, ifname
, IEEE80211_IOC_DELKEY
, &wk
,
216 bsd_send_mlme_param(int s
, const char *ifname
, const u8 op
, const u16 reason
,
219 struct ieee80211req_mlme mlme
;
221 os_memset(&mlme
, 0, sizeof(mlme
));
223 mlme
.im_reason
= reason
;
224 os_memcpy(mlme
.im_macaddr
, addr
, IEEE80211_ADDR_LEN
);
225 return bsd_set80211var(s
, ifname
, IEEE80211_IOC_MLME
, &mlme
,
233 * Avoid conflicts with hostapd definitions by undefining couple of defines
234 * from net80211 header files.
240 #include "l2_packet/l2_packet.h"
242 struct bsd_driver_data
{
243 struct hostapd_data
*hapd
; /* back pointer */
245 char iface
[IFNAMSIZ
+ 1];
246 struct l2_packet_data
*sock_xmit
; /* raw packet xmit socket */
247 int ioctl_sock
; /* socket for ioctl() use */
248 int wext_sock
; /* socket for wireless events */
251 static int bsd_sta_deauth(void *priv
, const u8
*own_addr
, const u8
*addr
,
255 set80211var(struct bsd_driver_data
*drv
, int op
, const void *arg
, int arg_len
)
257 return bsd_set80211var(drv
->ioctl_sock
, drv
->iface
, op
, arg
, arg_len
);
261 get80211var(struct bsd_driver_data
*drv
, int op
, void *arg
, int arg_len
)
263 return bsd_get80211var(drv
->ioctl_sock
, drv
->iface
, op
, arg
, arg_len
);
267 set80211param(struct bsd_driver_data
*drv
, int op
, int arg
)
269 return bsd_set80211param(drv
->ioctl_sock
, drv
->iface
, op
, arg
);
273 ether_sprintf(const u8
*addr
)
275 static char buf
[sizeof(MACSTR
)];
278 snprintf(buf
, sizeof(buf
), MACSTR
, MAC2STR(addr
));
280 snprintf(buf
, sizeof(buf
), MACSTR
, 0,0,0,0,0,0);
285 * Configure WPA parameters.
288 bsd_configure_wpa(struct bsd_driver_data
*drv
, struct wpa_bss_params
*params
)
290 static const char *ciphernames
[] =
291 { "WEP", "TKIP", "AES-OCB", "AES-CCM", "CKIP", "NONE" };
294 switch (params
->wpa_group
) {
295 case WPA_CIPHER_CCMP
:
296 v
= IEEE80211_CIPHER_AES_CCM
;
298 case WPA_CIPHER_TKIP
:
299 v
= IEEE80211_CIPHER_TKIP
;
301 case WPA_CIPHER_WEP104
:
302 v
= IEEE80211_CIPHER_WEP
;
304 case WPA_CIPHER_WEP40
:
305 v
= IEEE80211_CIPHER_WEP
;
307 case WPA_CIPHER_NONE
:
308 v
= IEEE80211_CIPHER_NONE
;
311 printf("Unknown group key cipher %u\n",
315 wpa_printf(MSG_DEBUG
, "%s: group key cipher=%s (%u)",
316 __func__
, ciphernames
[v
], v
);
317 if (set80211param(drv
, IEEE80211_IOC_MCASTCIPHER
, v
)) {
318 printf("Unable to set group key cipher to %u (%s)\n",
322 if (v
== IEEE80211_CIPHER_WEP
) {
323 /* key length is done only for specific ciphers */
324 v
= (params
->wpa_group
== WPA_CIPHER_WEP104
? 13 : 5);
325 if (set80211param(drv
, IEEE80211_IOC_MCASTKEYLEN
, v
)) {
326 printf("Unable to set group key length to %u\n", v
);
332 if (params
->wpa_pairwise
& WPA_CIPHER_CCMP
)
333 v
|= 1<<IEEE80211_CIPHER_AES_CCM
;
334 if (params
->wpa_pairwise
& WPA_CIPHER_TKIP
)
335 v
|= 1<<IEEE80211_CIPHER_TKIP
;
336 if (params
->wpa_pairwise
& WPA_CIPHER_NONE
)
337 v
|= 1<<IEEE80211_CIPHER_NONE
;
338 wpa_printf(MSG_DEBUG
, "%s: pairwise key ciphers=0x%x", __func__
, v
);
339 if (set80211param(drv
, IEEE80211_IOC_UCASTCIPHERS
, v
)) {
340 printf("Unable to set pairwise key ciphers to 0x%x\n", v
);
344 wpa_printf(MSG_DEBUG
, "%s: key management algorithms=0x%x",
345 __func__
, params
->wpa_key_mgmt
);
346 if (set80211param(drv
, IEEE80211_IOC_KEYMGTALGS
, params
->wpa_key_mgmt
))
348 printf("Unable to set key management algorithms to 0x%x\n",
349 params
->wpa_key_mgmt
);
354 if (params
->rsn_preauth
)
356 wpa_printf(MSG_DEBUG
, "%s: rsn capabilities=0x%x",
357 __func__
, params
->rsn_preauth
);
358 if (set80211param(drv
, IEEE80211_IOC_RSNCAPS
, v
)) {
359 printf("Unable to set RSN capabilities to 0x%x\n", v
);
363 wpa_printf(MSG_DEBUG
, "%s: enable WPA= 0x%x", __func__
, params
->wpa
);
364 if (set80211param(drv
, IEEE80211_IOC_WPA
, params
->wpa
)) {
365 printf("Unable to set WPA to %u\n", params
->wpa
);
373 bsd_set_iface_flags(void *priv
, int dev_up
)
375 struct bsd_driver_data
*drv
= priv
;
378 wpa_printf(MSG_DEBUG
, "%s: dev_up=%d", __func__
, dev_up
);
380 if (drv
->ioctl_sock
< 0)
383 memset(&ifr
, 0, sizeof(ifr
));
384 os_strlcpy(ifr
.ifr_name
, drv
->iface
, sizeof(ifr
.ifr_name
));
386 if (ioctl(drv
->ioctl_sock
, SIOCGIFFLAGS
, &ifr
) != 0) {
387 perror("ioctl[SIOCGIFFLAGS]");
392 ifr
.ifr_flags
|= IFF_UP
;
394 ifr
.ifr_flags
&= ~IFF_UP
;
396 if (ioctl(drv
->ioctl_sock
, SIOCSIFFLAGS
, &ifr
) != 0) {
397 perror("ioctl[SIOCSIFFLAGS]");
405 bsd_set_ieee8021x(void *priv
, struct wpa_bss_params
*params
)
407 struct bsd_driver_data
*drv
= priv
;
409 wpa_printf(MSG_DEBUG
, "%s: enabled=%d", __func__
, params
->enabled
);
411 if (!params
->enabled
) {
412 /* XXX restore state */
413 return set80211param(priv
, IEEE80211_IOC_AUTHMODE
,
414 IEEE80211_AUTH_AUTO
);
416 if (!params
->wpa
&& !params
->ieee802_1x
) {
417 hostapd_logger(drv
->hapd
, NULL
, HOSTAPD_MODULE_DRIVER
,
418 HOSTAPD_LEVEL_WARNING
, "No 802.1X or WPA enabled!");
421 if (params
->wpa
&& bsd_configure_wpa(drv
, params
) != 0) {
422 hostapd_logger(drv
->hapd
, NULL
, HOSTAPD_MODULE_DRIVER
,
423 HOSTAPD_LEVEL_WARNING
, "Error configuring WPA state!");
426 if (set80211param(priv
, IEEE80211_IOC_AUTHMODE
,
427 (params
->wpa
? IEEE80211_AUTH_WPA
: IEEE80211_AUTH_8021X
))) {
428 hostapd_logger(drv
->hapd
, NULL
, HOSTAPD_MODULE_DRIVER
,
429 HOSTAPD_LEVEL_WARNING
, "Error enabling WPA/802.1X!");
432 return bsd_set_iface_flags(priv
, 1);
436 bsd_set_privacy(const char *ifname
, void *priv
, int enabled
)
438 struct bsd_driver_data
*drv
= priv
;
440 wpa_printf(MSG_DEBUG
, "%s: enabled=%d", __func__
, enabled
);
442 return set80211param(drv
, IEEE80211_IOC_PRIVACY
, enabled
);
446 bsd_set_sta_authorized(void *priv
, const u8
*addr
, int authorized
)
448 struct bsd_driver_data
*drv
= priv
;
450 return bsd_send_mlme_param(drv
->ioctl_sock
, drv
->iface
, authorized
?
451 IEEE80211_MLME_AUTHORIZE
:
452 IEEE80211_MLME_UNAUTHORIZE
, 0, addr
);
456 bsd_sta_set_flags(void *priv
, const u8
*addr
, int total_flags
, int flags_or
,
459 /* For now, only support setting Authorized flag */
460 if (flags_or
& WPA_STA_AUTHORIZED
)
461 return bsd_set_sta_authorized(priv
, addr
, 1);
462 if (!(flags_and
& WPA_STA_AUTHORIZED
))
463 return bsd_set_sta_authorized(priv
, addr
, 0);
468 bsd_set_key(const char *ifname
, void *priv
, enum wpa_alg alg
,
469 const u8
*addr
, int key_idx
, int set_tx
, const u8
*seq
,
470 size_t seq_len
, const u8
*key
, size_t key_len
)
472 struct bsd_driver_data
*drv
= priv
;
473 struct ieee80211req_key wk
;
476 if (alg
== WPA_ALG_NONE
)
477 return bsd_del_key(drv
->ioctl_sock
, drv
->iface
, addr
, key_idx
);
479 wpa_printf(MSG_DEBUG
, "%s: alg=%d addr=%s key_idx=%d",
480 __func__
, alg
, ether_sprintf(addr
), key_idx
);
482 if (alg
== WPA_ALG_WEP
)
483 cipher
= IEEE80211_CIPHER_WEP
;
484 else if (alg
== WPA_ALG_TKIP
)
485 cipher
= IEEE80211_CIPHER_TKIP
;
486 else if (alg
== WPA_ALG_CCMP
)
487 cipher
= IEEE80211_CIPHER_AES_CCM
;
489 printf("%s: unknown/unsupported algorithm %d\n",
494 if (key_len
> sizeof(wk
.ik_keydata
)) {
495 printf("%s: key length %d too big\n", __func__
, (int) key_len
);
499 memset(&wk
, 0, sizeof(wk
));
501 wk
.ik_flags
= IEEE80211_KEY_RECV
| IEEE80211_KEY_XMIT
;
503 memset(wk
.ik_macaddr
, 0xff, IEEE80211_ADDR_LEN
);
504 wk
.ik_keyix
= key_idx
;
505 wk
.ik_flags
|= IEEE80211_KEY_DEFAULT
;
507 memcpy(wk
.ik_macaddr
, addr
, IEEE80211_ADDR_LEN
);
508 wk
.ik_keyix
= IEEE80211_KEYIX_NONE
;
510 wk
.ik_keylen
= key_len
;
511 memcpy(wk
.ik_keydata
, key
, key_len
);
513 return set80211var(drv
, IEEE80211_IOC_WPAKEY
, &wk
, sizeof(wk
));
518 bsd_get_seqnum(const char *ifname
, void *priv
, const u8
*addr
, int idx
,
521 struct bsd_driver_data
*drv
= priv
;
522 struct ieee80211req_key wk
;
524 wpa_printf(MSG_DEBUG
, "%s: addr=%s idx=%d",
525 __func__
, ether_sprintf(addr
), idx
);
527 memset(&wk
, 0, sizeof(wk
));
529 memset(wk
.ik_macaddr
, 0xff, IEEE80211_ADDR_LEN
);
531 memcpy(wk
.ik_macaddr
, addr
, IEEE80211_ADDR_LEN
);
534 if (get80211var(drv
, IEEE80211_IOC_WPAKEY
, &wk
, sizeof(wk
)) < 0) {
535 printf("Failed to get encryption.\n");
539 #ifdef WORDS_BIGENDIAN
542 * wk.ik_keytsc is in host byte order (big endian), need to
543 * swap it to match with the byte order used in WPA.
546 u8 tmp
[WPA_KEY_RSC_LEN
];
547 memcpy(tmp
, &wk
.ik_keytsc
, sizeof(wk
.ik_keytsc
));
548 for (i
= 0; i
< WPA_KEY_RSC_LEN
; i
++) {
549 seq
[i
] = tmp
[WPA_KEY_RSC_LEN
- i
- 1];
552 #else /* WORDS_BIGENDIAN */
553 memcpy(seq
, &wk
.ik_keytsc
, sizeof(wk
.ik_keytsc
));
554 #endif /* WORDS_BIGENDIAN */
560 bsd_flush(void *priv
)
562 u8 allsta
[IEEE80211_ADDR_LEN
];
564 memset(allsta
, 0xff, IEEE80211_ADDR_LEN
);
565 return bsd_sta_deauth(priv
, NULL
, allsta
, IEEE80211_REASON_AUTH_LEAVE
);
570 bsd_read_sta_driver_data(void *priv
, struct hostap_sta_driver_data
*data
,
573 struct bsd_driver_data
*drv
= priv
;
574 struct ieee80211req_sta_stats stats
;
576 memcpy(stats
.is_u
.macaddr
, addr
, IEEE80211_ADDR_LEN
);
577 if (get80211var(drv
, IEEE80211_IOC_STA_STATS
, &stats
, sizeof(stats
)) > 0) {
578 /* XXX? do packets counts include non-data frames? */
579 data
->rx_packets
= stats
.is_stats
.ns_rx_data
;
580 data
->rx_bytes
= stats
.is_stats
.ns_rx_bytes
;
581 data
->tx_packets
= stats
.is_stats
.ns_tx_data
;
582 data
->tx_bytes
= stats
.is_stats
.ns_tx_bytes
;
588 bsd_set_opt_ie(const char *ifname
, void *priv
, const u8
*ie
, size_t ie_len
)
591 * Do nothing; we setup parameters at startup that define the
592 * contents of the beacon information element.
598 bsd_sta_deauth(void *priv
, const u8
*own_addr
, const u8
*addr
, int reason_code
)
600 struct bsd_driver_data
*drv
= priv
;
602 return bsd_send_mlme_param(drv
->ioctl_sock
, drv
->iface
,
603 IEEE80211_MLME_DEAUTH
, reason_code
, addr
);
607 bsd_sta_disassoc(void *priv
, const u8
*own_addr
, const u8
*addr
,
610 struct bsd_driver_data
*drv
= priv
;
612 return bsd_send_mlme_param(drv
->ioctl_sock
, drv
->iface
,
613 IEEE80211_MLME_DISASSOC
, reason_code
, addr
);
617 bsd_new_sta(struct bsd_driver_data
*drv
, u8 addr
[IEEE80211_ADDR_LEN
])
619 struct hostapd_data
*hapd
= drv
->hapd
;
620 struct ieee80211req_wpaie ie
;
625 * Fetch and validate any negotiated WPA/RSN parameters.
627 memset(&ie
, 0, sizeof(ie
));
628 memcpy(ie
.wpa_macaddr
, addr
, IEEE80211_ADDR_LEN
);
629 if (get80211var(drv
, IEEE80211_IOC_WPAIE
, &ie
, sizeof(ie
)) < 0) {
630 printf("Failed to get WPA/RSN information element.\n");
634 ielen
= ie
.wpa_ie
[1];
641 drv_event_assoc(hapd
, addr
, iebuf
, ielen
);
645 bsd_wireless_event_receive(int sock
, void *ctx
, void *sock_ctx
)
647 struct bsd_driver_data
*drv
= ctx
;
649 struct if_announcemsghdr
*ifan
;
650 struct rt_msghdr
*rtm
;
651 struct ieee80211_michael_event
*mic
;
652 struct ieee80211_join_event
*join
;
653 struct ieee80211_leave_event
*leave
;
655 union wpa_event_data data
;
657 n
= read(sock
, buf
, sizeof(buf
));
659 if (errno
!= EINTR
&& errno
!= EAGAIN
)
660 perror("read(PF_ROUTE)");
664 rtm
= (struct rt_msghdr
*) buf
;
665 if (rtm
->rtm_version
!= RTM_VERSION
) {
666 wpa_printf(MSG_DEBUG
, "Routing message version %d not "
667 "understood\n", rtm
->rtm_version
);
670 ifan
= (struct if_announcemsghdr
*) rtm
;
671 switch (rtm
->rtm_type
) {
673 switch (ifan
->ifan_what
) {
674 case RTM_IEEE80211_ASSOC
:
675 case RTM_IEEE80211_REASSOC
:
676 case RTM_IEEE80211_DISASSOC
:
677 case RTM_IEEE80211_SCAN
:
679 case RTM_IEEE80211_LEAVE
:
680 leave
= (struct ieee80211_leave_event
*) &ifan
[1];
681 drv_event_disassoc(drv
->hapd
, leave
->iev_addr
);
683 case RTM_IEEE80211_JOIN
:
684 #ifdef RTM_IEEE80211_REJOIN
685 case RTM_IEEE80211_REJOIN
:
687 join
= (struct ieee80211_join_event
*) &ifan
[1];
688 bsd_new_sta(drv
, join
->iev_addr
);
690 case RTM_IEEE80211_REPLAY
:
693 case RTM_IEEE80211_MICHAEL
:
694 mic
= (struct ieee80211_michael_event
*) &ifan
[1];
695 wpa_printf(MSG_DEBUG
,
696 "Michael MIC failure wireless event: "
697 "keyix=%u src_addr=" MACSTR
, mic
->iev_keyix
,
698 MAC2STR(mic
->iev_src
));
699 os_memset(&data
, 0, sizeof(data
));
700 data
.michael_mic_failure
.unicast
= 1;
701 data
.michael_mic_failure
.src
= mic
->iev_src
;
702 wpa_supplicant_event(drv
->hapd
,
703 EVENT_MICHAEL_MIC_FAILURE
, &data
);
711 bsd_wireless_event_init(struct bsd_driver_data
*drv
)
717 s
= socket(PF_ROUTE
, SOCK_RAW
, 0);
719 perror("socket(PF_ROUTE,SOCK_RAW)");
722 eloop_register_read_sock(s
, bsd_wireless_event_receive
, drv
, NULL
);
729 bsd_wireless_event_deinit(struct bsd_driver_data
*drv
)
731 if (drv
->wext_sock
< 0)
733 eloop_unregister_read_sock(drv
->wext_sock
);
734 close(drv
->wext_sock
);
739 bsd_send_eapol(void *priv
, const u8
*addr
, const u8
*data
, size_t data_len
,
740 int encrypt
, const u8
*own_addr
)
742 struct bsd_driver_data
*drv
= priv
;
744 struct l2_ethhdr
*eth
;
749 * Prepend the Ethernet header. If the caller left us
750 * space at the front we could just insert it but since
751 * we don't know we copy to a local buffer. Given the frequency
752 * and size of frames this probably doesn't matter.
754 len
= data_len
+ sizeof(struct l2_ethhdr
);
757 wpa_printf(MSG_ERROR
, "malloc() failed for bsd_send_eapol"
758 "(len=%lu)", (unsigned long) len
);
761 eth
= (struct l2_ethhdr
*) bp
;
762 os_memcpy(eth
->h_dest
, addr
, ETH_ALEN
);
763 os_memcpy(eth
->h_source
, own_addr
, ETH_ALEN
);
764 eth
->h_proto
= htons(ETH_P_EAPOL
);
765 os_memcpy(eth
+ 1, data
, data_len
);
767 wpa_hexdump(MSG_MSGDUMP
, "TX EAPOL", bp
, len
);
769 status
= l2_packet_send(drv
->sock_xmit
, addr
, ETH_P_EAPOL
, bp
, len
);
776 handle_read(void *ctx
, const u8
*src_addr
, const u8
*buf
, size_t len
)
778 struct bsd_driver_data
*drv
= ctx
;
779 drv_event_eapol_rx(drv
->hapd
, src_addr
, buf
+ sizeof(struct l2_ethhdr
),
780 len
- sizeof(struct l2_ethhdr
));
784 hostapd_bsd_get_ssid(const char *ifname
, void *priv
, u8
*buf
, int len
)
786 struct bsd_driver_data
*drv
= priv
;
789 ssid_len
= bsd_get_ssid(drv
->ioctl_sock
, drv
->iface
, buf
);
790 wpa_printf(MSG_DEBUG
, "%s: ssid=\"%.*s\"", __func__
, ssid_len
, buf
);
796 hostapd_bsd_set_ssid(const char *ifname
, void *priv
, const u8
*buf
, int len
)
798 struct bsd_driver_data
*drv
= priv
;
800 wpa_printf(MSG_DEBUG
, "%s: ssid=\"%.*s\"", __func__
, len
, buf
);
802 return bsd_set_ssid(drv
->ioctl_sock
, drv
->iface
, buf
, len
);
806 bsd_set_freq(void *priv
, struct hostapd_freq_params
*freq
)
808 struct bsd_driver_data
*drv
= priv
;
809 struct ieee80211chanreq creq
;
812 if (freq
->channel
< 14)
813 mode
= IFM_IEEE80211_11G
;
814 else if (freq
->channel
== 14)
815 mode
= IFM_IEEE80211_11B
;
817 mode
= IFM_IEEE80211_11A
;
818 if (bsd_set_mediaopt(drv
->ioctl_sock
, drv
->iface
, IFM_MMASK
,
820 wpa_printf(MSG_ERROR
, "%s: failed to set modulation mode",
825 os_memset(&creq
, 0, sizeof(creq
));
826 os_strlcpy(creq
.i_name
, drv
->iface
, sizeof(creq
.i_name
));
827 creq
.i_channel
= freq
->channel
;
828 return ioctl(drv
->ioctl_sock
, SIOCS80211CHANNEL
, &creq
);
832 bsd_init(struct hostapd_data
*hapd
, struct wpa_init_params
*params
)
834 struct bsd_driver_data
*drv
;
836 drv
= os_zalloc(sizeof(struct bsd_driver_data
));
838 printf("Could not allocate memory for bsd driver data\n");
843 drv
->ioctl_sock
= socket(PF_INET
, SOCK_DGRAM
, 0);
844 if (drv
->ioctl_sock
< 0) {
845 perror("socket[PF_INET,SOCK_DGRAM]");
848 memcpy(drv
->iface
, params
->ifname
, sizeof(drv
->iface
));
850 drv
->sock_xmit
= l2_packet_init(drv
->iface
, NULL
, ETH_P_EAPOL
,
851 handle_read
, drv
, 1);
852 if (drv
->sock_xmit
== NULL
)
854 if (l2_packet_get_own_addr(drv
->sock_xmit
, params
->own_addr
))
857 bsd_set_iface_flags(drv
, 0); /* mark down during setup */
858 if (bsd_wireless_event_init(drv
))
861 if (bsd_set_mediaopt(drv
->ioctl_sock
, drv
->iface
, IFM_OMASK
,
862 IFM_IEEE80211_HOSTAP
) < 0) {
863 wpa_printf(MSG_ERROR
, "%s: failed to set operation mode",
870 if (drv
->sock_xmit
!= NULL
)
871 l2_packet_deinit(drv
->sock_xmit
);
872 if (drv
->ioctl_sock
>= 0)
873 close(drv
->ioctl_sock
);
881 bsd_deinit(void *priv
)
883 struct bsd_driver_data
*drv
= priv
;
885 bsd_wireless_event_deinit(drv
);
886 (void) bsd_set_iface_flags(drv
, 0);
887 if (drv
->ioctl_sock
>= 0)
888 close(drv
->ioctl_sock
);
889 if (drv
->sock_xmit
!= NULL
)
890 l2_packet_deinit(drv
->sock_xmit
);
894 const struct wpa_driver_ops wpa_driver_bsd_ops
= {
896 .hapd_init
= bsd_init
,
897 .hapd_deinit
= bsd_deinit
,
898 .set_ieee8021x
= bsd_set_ieee8021x
,
899 .set_privacy
= bsd_set_privacy
,
900 .set_key
= bsd_set_key
,
901 .get_seqnum
= bsd_get_seqnum
,
903 .set_generic_elem
= bsd_set_opt_ie
,
904 .sta_set_flags
= bsd_sta_set_flags
,
905 .read_sta_data
= bsd_read_sta_driver_data
,
906 .hapd_send_eapol
= bsd_send_eapol
,
907 .sta_disassoc
= bsd_sta_disassoc
,
908 .sta_deauth
= bsd_sta_deauth
,
909 .hapd_set_ssid
= hostapd_bsd_set_ssid
,
910 .hapd_get_ssid
= hostapd_bsd_get_ssid
,
911 .set_freq
= bsd_set_freq
,
916 struct wpa_driver_bsd_data
{
917 int sock
; /* open socket for 802.11 ioctls */
918 int route
; /* routing socket for events */
919 char ifname
[IFNAMSIZ
+1]; /* interface name */
920 unsigned int ifindex
; /* interface index */
922 int prev_roaming
; /* roaming state to restore on deinit */
923 int prev_privacy
; /* privacy state to restore on deinit */
924 int prev_wpa
; /* wpa state to restore on deinit */
928 set80211var(struct wpa_driver_bsd_data
*drv
, int op
, const void *arg
, int arg_len
)
930 return bsd_set80211var(drv
->sock
, drv
->ifname
, op
, arg
, arg_len
);
934 get80211var(struct wpa_driver_bsd_data
*drv
, int op
, void *arg
, int arg_len
)
936 return bsd_get80211var(drv
->sock
, drv
->ifname
, op
, arg
, arg_len
);
940 set80211param(struct wpa_driver_bsd_data
*drv
, int op
, int arg
)
942 return bsd_set80211param(drv
->sock
, drv
->ifname
, op
, arg
);
946 get80211param(struct wpa_driver_bsd_data
*drv
, int op
)
948 struct ieee80211req ireq
;
950 os_memset(&ireq
, 0, sizeof(ireq
));
951 os_strlcpy(ireq
.i_name
, drv
->ifname
, sizeof(ireq
.i_name
));
954 if (ioctl(drv
->sock
, SIOCG80211
, &ireq
) < 0) {
955 fprintf(stderr
, "ioctl[SIOCG80211, op %u]: %s\n",
956 op
, strerror(errno
));
963 getifflags(struct wpa_driver_bsd_data
*drv
, int *flags
)
967 os_memset(&ifr
, 0, sizeof(ifr
));
968 os_strlcpy(ifr
.ifr_name
, drv
->ifname
, sizeof(ifr
.ifr_name
));
969 if (ioctl(drv
->sock
, SIOCGIFFLAGS
, (caddr_t
)&ifr
) < 0) {
970 perror("SIOCGIFFLAGS");
973 *flags
= ifr
.ifr_flags
& 0xffff;
978 setifflags(struct wpa_driver_bsd_data
*drv
, int flags
)
982 os_memset(&ifr
, 0, sizeof(ifr
));
983 os_strlcpy(ifr
.ifr_name
, drv
->ifname
, sizeof(ifr
.ifr_name
));
984 ifr
.ifr_flags
= flags
& 0xffff;
985 if (ioctl(drv
->sock
, SIOCSIFFLAGS
, (caddr_t
)&ifr
) < 0) {
986 perror("SIOCSIFFLAGS");
993 wpa_driver_bsd_get_bssid(void *priv
, u8
*bssid
)
995 struct wpa_driver_bsd_data
*drv
= priv
;
996 #ifdef SIOCG80211BSSID
997 struct ieee80211_bssid bs
;
999 os_strncpy(bs
.i_name
, drv
->ifname
, sizeof(bs
.i_name
));
1000 if (ioctl(drv
->sock
, SIOCG80211BSSID
, &bs
) < 0)
1002 os_memcpy(bssid
, bs
.i_bssid
, sizeof(bs
.i_bssid
));
1005 return get80211var(drv
, IEEE80211_IOC_BSSID
,
1006 bssid
, IEEE80211_ADDR_LEN
) < 0 ? -1 : 0;
1012 wpa_driver_bsd_set_bssid(void *priv
, const char *bssid
)
1014 struct wpa_driver_bsd_data
*drv
= priv
;
1016 return set80211var(drv
, IEEE80211_IOC_BSSID
,
1017 bssid
, IEEE80211_ADDR_LEN
);
1022 wpa_driver_bsd_get_ssid(void *priv
, u8
*ssid
)
1024 struct wpa_driver_bsd_data
*drv
= priv
;
1026 return bsd_get_ssid(drv
->sock
, drv
->ifname
, ssid
);
1030 wpa_driver_bsd_set_ssid(void *priv
, const u8
*ssid
,
1033 struct wpa_driver_bsd_data
*drv
= priv
;
1035 return bsd_set_ssid(drv
->sock
, drv
->ifname
, ssid
, ssid_len
);
1039 wpa_driver_bsd_set_wpa_ie(struct wpa_driver_bsd_data
*drv
,
1040 const u8
*wpa_ie
, size_t wpa_ie_len
)
1042 #ifdef IEEE80211_IOC_APPIE
1043 return set80211var(drv
, IEEE80211_IOC_APPIE
, wpa_ie
, wpa_ie_len
);
1044 #else /* IEEE80211_IOC_APPIE */
1045 return set80211var(drv
, IEEE80211_IOC_OPTIE
, wpa_ie
, wpa_ie_len
);
1046 #endif /* IEEE80211_IOC_APPIE */
1050 wpa_driver_bsd_set_wpa_internal(void *priv
, int wpa
, int privacy
)
1052 struct wpa_driver_bsd_data
*drv
= priv
;
1055 wpa_printf(MSG_DEBUG
, "%s: wpa=%d privacy=%d",
1056 __FUNCTION__
, wpa
, privacy
);
1058 if (!wpa
&& wpa_driver_bsd_set_wpa_ie(drv
, NULL
, 0) < 0)
1060 if (set80211param(drv
, IEEE80211_IOC_PRIVACY
, privacy
) < 0)
1062 if (set80211param(drv
, IEEE80211_IOC_WPA
, wpa
) < 0)
1069 wpa_driver_bsd_set_wpa(void *priv
, int enabled
)
1071 wpa_printf(MSG_DEBUG
, "%s: enabled=%d", __FUNCTION__
, enabled
);
1073 return wpa_driver_bsd_set_wpa_internal(priv
, enabled
? 3 : 0, enabled
);
1077 wpa_driver_bsd_set_key(const char *ifname
, void *priv
, enum wpa_alg alg
,
1078 const unsigned char *addr
, int key_idx
, int set_tx
,
1079 const u8
*seq
, size_t seq_len
,
1080 const u8
*key
, size_t key_len
)
1082 struct wpa_driver_bsd_data
*drv
= priv
;
1083 struct ieee80211req_key wk
;
1084 struct ether_addr ea
;
1088 if (alg
== WPA_ALG_NONE
)
1089 return bsd_del_key(drv
->sock
, drv
->ifname
,
1090 os_memcmp(addr
, "\xff\xff\xff\xff\xff\xff",
1091 IEEE80211_ADDR_LEN
) == 0 ? NULL
: addr
,
1097 cipher
= IEEE80211_CIPHER_WEP
;
1101 cipher
= IEEE80211_CIPHER_TKIP
;
1105 cipher
= IEEE80211_CIPHER_AES_CCM
;
1108 wpa_printf(MSG_DEBUG
, "%s: unknown/unsupported algorithm %d",
1113 os_memcpy(&ea
, addr
, IEEE80211_ADDR_LEN
);
1114 wpa_printf(MSG_DEBUG
,
1115 "%s: alg=%s addr=%s key_idx=%d set_tx=%d seq_len=%zu key_len=%zu",
1116 __func__
, alg_name
, ether_ntoa(&ea
), key_idx
, set_tx
,
1119 if (seq_len
> sizeof(u_int64_t
)) {
1120 wpa_printf(MSG_DEBUG
, "%s: seq_len %zu too big",
1124 if (key_len
> sizeof(wk
.ik_keydata
)) {
1125 wpa_printf(MSG_DEBUG
, "%s: key length %zu too big",
1130 os_memset(&wk
, 0, sizeof(wk
));
1131 wk
.ik_type
= cipher
;
1132 wk
.ik_flags
= IEEE80211_KEY_RECV
;
1134 wk
.ik_flags
|= IEEE80211_KEY_XMIT
;
1135 os_memcpy(wk
.ik_macaddr
, addr
, IEEE80211_ADDR_LEN
);
1137 * Deduce whether group/global or unicast key by checking
1138 * the address (yech). Note also that we can only mark global
1139 * keys default; doing this for a unicast key is an error.
1141 if (bcmp(addr
, "\xff\xff\xff\xff\xff\xff", IEEE80211_ADDR_LEN
) == 0) {
1142 wk
.ik_flags
|= IEEE80211_KEY_GROUP
;
1143 wk
.ik_keyix
= key_idx
;
1145 wk
.ik_keyix
= (key_idx
== 0 ? IEEE80211_KEYIX_NONE
: key_idx
);
1147 if (wk
.ik_keyix
!= IEEE80211_KEYIX_NONE
&& set_tx
)
1148 wk
.ik_flags
|= IEEE80211_KEY_DEFAULT
;
1149 wk
.ik_keylen
= key_len
;
1150 os_memcpy(&wk
.ik_keyrsc
, seq
, seq_len
);
1151 os_memcpy(wk
.ik_keydata
, key
, key_len
);
1153 return set80211var(drv
, IEEE80211_IOC_WPAKEY
, &wk
, sizeof(wk
));
1157 wpa_driver_bsd_set_countermeasures(void *priv
, int enabled
)
1159 struct wpa_driver_bsd_data
*drv
= priv
;
1161 wpa_printf(MSG_DEBUG
, "%s: enabled=%d", __func__
, enabled
);
1162 return set80211param(drv
, IEEE80211_IOC_COUNTERMEASURES
, enabled
);
1167 wpa_driver_bsd_set_drop_unencrypted(void *priv
, int enabled
)
1169 struct wpa_driver_bsd_data
*drv
= priv
;
1171 wpa_printf(MSG_DEBUG
, "%s: enabled=%d", __func__
, enabled
);
1172 return set80211param(drv
, IEEE80211_IOC_DROPUNENCRYPTED
, enabled
);
1176 wpa_driver_bsd_deauthenticate(void *priv
, const u8
*addr
, int reason_code
)
1178 struct wpa_driver_bsd_data
*drv
= priv
;
1180 return bsd_send_mlme_param(drv
->sock
, drv
->ifname
,
1181 IEEE80211_MLME_DEAUTH
, reason_code
, addr
);
1185 wpa_driver_bsd_disassociate(void *priv
, const u8
*addr
, int reason_code
)
1187 struct wpa_driver_bsd_data
*drv
= priv
;
1189 return bsd_send_mlme_param(drv
->sock
, drv
->ifname
,
1190 IEEE80211_MLME_DISASSOC
, reason_code
, addr
);
1194 wpa_driver_bsd_set_auth_alg(void *priv
, int auth_alg
)
1196 struct wpa_driver_bsd_data
*drv
= priv
;
1199 if ((auth_alg
& WPA_AUTH_ALG_OPEN
) &&
1200 (auth_alg
& WPA_AUTH_ALG_SHARED
))
1201 authmode
= IEEE80211_AUTH_AUTO
;
1202 else if (auth_alg
& WPA_AUTH_ALG_SHARED
)
1203 authmode
= IEEE80211_AUTH_SHARED
;
1205 authmode
= IEEE80211_AUTH_OPEN
;
1207 return set80211param(drv
, IEEE80211_IOC_AUTHMODE
, authmode
);
1211 wpa_driver_bsd_associate(void *priv
, struct wpa_driver_associate_params
*params
)
1213 struct wpa_driver_bsd_data
*drv
= priv
;
1214 struct ieee80211req_mlme mlme
;
1218 wpa_printf(MSG_DEBUG
,
1219 "%s: ssid '%.*s' wpa ie len %u pairwise %u group %u key mgmt %u"
1221 , (unsigned int) params
->ssid_len
, params
->ssid
1222 , (unsigned int) params
->wpa_ie_len
1223 , params
->pairwise_suite
1224 , params
->group_suite
1225 , params
->key_mgmt_suite
1228 if (wpa_driver_bsd_set_drop_unencrypted(drv
, params
->drop_unencrypted
)
1231 if (wpa_driver_bsd_set_auth_alg(drv
, params
->auth_alg
) < 0)
1233 /* XXX error handling is wrong but unclear what to do... */
1234 if (wpa_driver_bsd_set_wpa_ie(drv
, params
->wpa_ie
, params
->wpa_ie_len
) < 0)
1237 privacy
= !(params
->pairwise_suite
== CIPHER_NONE
&&
1238 params
->group_suite
== CIPHER_NONE
&&
1239 params
->key_mgmt_suite
== KEY_MGMT_NONE
&&
1240 params
->wpa_ie_len
== 0);
1241 wpa_printf(MSG_DEBUG
, "%s: set PRIVACY %u", __func__
, privacy
);
1243 if (set80211param(drv
, IEEE80211_IOC_PRIVACY
, privacy
) < 0)
1246 if (params
->wpa_ie_len
&&
1247 set80211param(drv
, IEEE80211_IOC_WPA
,
1248 params
->wpa_ie
[0] == WLAN_EID_RSN
? 2 : 1) < 0)
1251 os_memset(&mlme
, 0, sizeof(mlme
));
1252 mlme
.im_op
= IEEE80211_MLME_ASSOC
;
1253 if (params
->ssid
!= NULL
)
1254 os_memcpy(mlme
.im_ssid
, params
->ssid
, params
->ssid_len
);
1255 mlme
.im_ssid_len
= params
->ssid_len
;
1256 if (params
->bssid
!= NULL
)
1257 os_memcpy(mlme
.im_macaddr
, params
->bssid
, IEEE80211_ADDR_LEN
);
1258 if (set80211var(drv
, IEEE80211_IOC_MLME
, &mlme
, sizeof(mlme
)) < 0)
1264 wpa_driver_bsd_scan(void *priv
, struct wpa_driver_scan_params
*params
)
1266 struct wpa_driver_bsd_data
*drv
= priv
;
1268 const u8
*ssid
= params
->ssids
[0].ssid
;
1269 size_t ssid_len
= params
->ssids
[0].ssid_len
;
1271 /* NB: interface must be marked UP to do a scan */
1272 if (getifflags(drv
, &flags
) != 0 || setifflags(drv
, flags
| IFF_UP
) != 0)
1275 /* set desired ssid before scan */
1276 if (wpa_driver_bsd_set_ssid(drv
, ssid
, ssid_len
) < 0)
1279 /* NB: net80211 delivers a scan complete event so no need to poll */
1280 return set80211param(drv
, IEEE80211_IOC_SCAN_REQ
, 0);
1284 wpa_driver_bsd_event_receive(int sock
, void *ctx
, void *sock_ctx
)
1286 struct wpa_driver_bsd_data
*drv
= sock_ctx
;
1288 struct if_announcemsghdr
*ifan
;
1289 struct if_msghdr
*ifm
;
1290 struct rt_msghdr
*rtm
;
1291 union wpa_event_data event
;
1292 struct ieee80211_michael_event
*mic
;
1295 n
= read(sock
, buf
, sizeof(buf
));
1297 if (errno
!= EINTR
&& errno
!= EAGAIN
)
1298 perror("read(PF_ROUTE)");
1302 rtm
= (struct rt_msghdr
*) buf
;
1303 if (rtm
->rtm_version
!= RTM_VERSION
) {
1304 wpa_printf(MSG_DEBUG
, "Routing message version %d not "
1305 "understood\n", rtm
->rtm_version
);
1308 os_memset(&event
, 0, sizeof(event
));
1309 switch (rtm
->rtm_type
) {
1310 case RTM_IFANNOUNCE
:
1311 ifan
= (struct if_announcemsghdr
*) rtm
;
1312 if (ifan
->ifan_index
!= drv
->ifindex
)
1314 strlcpy(event
.interface_status
.ifname
, drv
->ifname
,
1315 sizeof(event
.interface_status
.ifname
));
1316 switch (ifan
->ifan_what
) {
1317 case IFAN_DEPARTURE
:
1318 event
.interface_status
.ievent
= EVENT_INTERFACE_REMOVED
;
1322 wpa_printf(MSG_DEBUG
, "RTM_IFANNOUNCE: Interface '%s' %s",
1323 event
.interface_status
.ifname
,
1324 ifan
->ifan_what
== IFAN_DEPARTURE
?
1325 "removed" : "added");
1326 wpa_supplicant_event(ctx
, EVENT_INTERFACE_STATUS
, &event
);
1329 ifan
= (struct if_announcemsghdr
*) rtm
;
1330 if (ifan
->ifan_index
!= drv
->ifindex
)
1332 switch (ifan
->ifan_what
) {
1333 case RTM_IEEE80211_ASSOC
:
1334 case RTM_IEEE80211_REASSOC
:
1335 wpa_supplicant_event(ctx
, EVENT_ASSOC
, NULL
);
1337 case RTM_IEEE80211_DISASSOC
:
1338 wpa_supplicant_event(ctx
, EVENT_DISASSOC
, NULL
);
1340 case RTM_IEEE80211_SCAN
:
1341 wpa_supplicant_event(ctx
, EVENT_SCAN_RESULTS
, NULL
);
1343 case RTM_IEEE80211_REPLAY
:
1346 case RTM_IEEE80211_MICHAEL
:
1347 mic
= (struct ieee80211_michael_event
*) &ifan
[1];
1348 wpa_printf(MSG_DEBUG
,
1349 "Michael MIC failure wireless event: "
1350 "keyix=%u src_addr=" MACSTR
, mic
->iev_keyix
,
1351 MAC2STR(mic
->iev_src
));
1353 os_memset(&event
, 0, sizeof(event
));
1354 event
.michael_mic_failure
.unicast
=
1355 !IEEE80211_IS_MULTICAST(mic
->iev_dst
);
1356 wpa_supplicant_event(ctx
, EVENT_MICHAEL_MIC_FAILURE
,
1362 ifm
= (struct if_msghdr
*) rtm
;
1363 if (ifm
->ifm_index
!= drv
->ifindex
)
1365 if ((rtm
->rtm_flags
& RTF_UP
) == 0) {
1366 strlcpy(event
.interface_status
.ifname
, drv
->ifname
,
1367 sizeof(event
.interface_status
.ifname
));
1368 event
.interface_status
.ievent
= EVENT_INTERFACE_REMOVED
;
1369 wpa_printf(MSG_DEBUG
, "RTM_IFINFO: Interface '%s' DOWN",
1370 event
.interface_status
.ifname
);
1371 wpa_supplicant_event(ctx
, EVENT_INTERFACE_STATUS
, &event
);
1378 wpa_driver_bsd_add_scan_entry(struct wpa_scan_results
*res
,
1379 struct ieee80211req_scan_result
*sr
)
1381 struct wpa_scan_res
*result
, **tmp
;
1385 extra_len
= 2 + sr
->isr_ssid_len
;
1386 extra_len
+= 2 + sr
->isr_nrates
;
1387 extra_len
+= 3; /* ERP IE */
1388 extra_len
+= sr
->isr_ie_len
;
1390 result
= os_zalloc(sizeof(*result
) + extra_len
);
1393 os_memcpy(result
->bssid
, sr
->isr_bssid
, ETH_ALEN
);
1394 result
->freq
= sr
->isr_freq
;
1395 result
->beacon_int
= sr
->isr_intval
;
1396 result
->caps
= sr
->isr_capinfo
;
1397 result
->qual
= sr
->isr_rssi
;
1398 result
->noise
= sr
->isr_noise
;
1400 pos
= (u8
*)(result
+ 1);
1402 *pos
++ = WLAN_EID_SSID
;
1403 *pos
++ = sr
->isr_ssid_len
;
1404 os_memcpy(pos
, sr
+ 1, sr
->isr_ssid_len
);
1405 pos
+= sr
->isr_ssid_len
;
1408 * Deal all rates as supported rate.
1409 * Because net80211 doesn't report extended supported rate or not.
1411 *pos
++ = WLAN_EID_SUPP_RATES
;
1412 *pos
++ = sr
->isr_nrates
;
1413 os_memcpy(pos
, sr
->isr_rates
, sr
->isr_nrates
);
1414 pos
+= sr
->isr_nrates
;
1416 *pos
++ = WLAN_EID_ERP_INFO
;
1418 *pos
++ = sr
->isr_erp
;
1420 os_memcpy(pos
, (u8
*)(sr
+ 1) + sr
->isr_ssid_len
, sr
->isr_ie_len
);
1421 pos
+= sr
->isr_ie_len
;
1423 result
->ie_len
= pos
- (u8
*)(result
+ 1);
1425 tmp
= os_realloc(res
->res
,
1426 (res
->num
+ 1) * sizeof(struct wpa_scan_res
*));
1431 tmp
[res
->num
++] = result
;
1435 struct wpa_scan_results
*
1436 wpa_driver_bsd_get_scan_results2(void *priv
)
1438 struct wpa_driver_bsd_data
*drv
= priv
;
1439 struct ieee80211req_scan_result
*sr
;
1440 struct wpa_scan_results
*res
;
1442 uint8_t buf
[24*1024], *pos
;
1444 len
= get80211var(drv
, IEEE80211_IOC_SCAN_RESULTS
, buf
, 24*1024);
1448 res
= os_zalloc(sizeof(*res
));
1454 while (rest
>= sizeof(struct ieee80211req_scan_result
)) {
1455 sr
= (struct ieee80211req_scan_result
*)pos
;
1456 wpa_driver_bsd_add_scan_entry(res
, sr
);
1458 rest
-= sr
->isr_len
;
1461 wpa_printf(MSG_DEBUG
, "Received %d bytes of scan results (%lu BSSes)",
1462 len
, (unsigned long)res
->num
);
1468 wpa_driver_bsd_init(void *ctx
, const char *ifname
)
1470 #define GETPARAM(drv, param, v) \
1471 (((v) = get80211param(drv, param)) != -1)
1472 struct wpa_driver_bsd_data
*drv
;
1474 drv
= os_zalloc(sizeof(*drv
));
1478 * NB: We require the interface name be mappable to an index.
1479 * This implies we do not support having wpa_supplicant
1480 * wait for an interface to appear. This seems ok; that
1481 * doesn't belong here; it's really the job of devd.
1483 drv
->ifindex
= if_nametoindex(ifname
);
1484 if (drv
->ifindex
== 0) {
1485 wpa_printf(MSG_DEBUG
, "%s: interface %s does not exist",
1489 drv
->sock
= socket(PF_INET
, SOCK_DGRAM
, 0);
1492 drv
->route
= socket(PF_ROUTE
, SOCK_RAW
, 0);
1495 eloop_register_read_sock(drv
->route
,
1496 wpa_driver_bsd_event_receive
, ctx
, drv
);
1499 os_strlcpy(drv
->ifname
, ifname
, sizeof(drv
->ifname
));
1501 if (!GETPARAM(drv
, IEEE80211_IOC_ROAMING
, drv
->prev_roaming
)) {
1502 wpa_printf(MSG_DEBUG
, "%s: failed to get roaming state: %s",
1503 __func__
, strerror(errno
));
1506 if (!GETPARAM(drv
, IEEE80211_IOC_PRIVACY
, drv
->prev_privacy
)) {
1507 wpa_printf(MSG_DEBUG
, "%s: failed to get privacy state: %s",
1508 __func__
, strerror(errno
));
1511 if (!GETPARAM(drv
, IEEE80211_IOC_WPA
, drv
->prev_wpa
)) {
1512 wpa_printf(MSG_DEBUG
, "%s: failed to get wpa state: %s",
1513 __func__
, strerror(errno
));
1517 if (bsd_set_mediaopt(drv
->sock
, drv
->ifname
, IFM_OMASK
,
1519 wpa_printf(MSG_ERROR
, "%s: failed to set operation mode",
1523 if (set80211param(drv
, IEEE80211_IOC_ROAMING
, IEEE80211_ROAMING_MANUAL
) < 0) {
1524 wpa_printf(MSG_DEBUG
, "%s: failed to set wpa_supplicant-based "
1525 "roaming: %s", __func__
, strerror(errno
));
1529 if (set80211param(drv
, IEEE80211_IOC_WPA
, 1+2) < 0) {
1530 wpa_printf(MSG_DEBUG
, "%s: failed to enable WPA support %s",
1531 __func__
, strerror(errno
));
1535 wpa_driver_bsd_set_wpa(drv
, 1);
1547 wpa_driver_bsd_deinit(void *priv
)
1549 struct wpa_driver_bsd_data
*drv
= priv
;
1552 wpa_driver_bsd_set_wpa(drv
, 0);
1553 eloop_unregister_read_sock(drv
->route
);
1555 /* NB: mark interface down */
1556 if (getifflags(drv
, &flags
) == 0)
1557 (void) setifflags(drv
, flags
&~ IFF_UP
);
1559 wpa_driver_bsd_set_wpa_internal(drv
, drv
->prev_wpa
, drv
->prev_privacy
);
1560 if (set80211param(drv
, IEEE80211_IOC_ROAMING
, drv
->prev_roaming
) < 0)
1561 wpa_printf(MSG_DEBUG
, "%s: failed to restore roaming state",
1564 (void) close(drv
->route
); /* ioctl socket */
1565 (void) close(drv
->sock
); /* event socket */
1570 const struct wpa_driver_ops wpa_driver_bsd_ops
= {
1572 .desc
= "BSD 802.11 support",
1573 .init
= wpa_driver_bsd_init
,
1574 .deinit
= wpa_driver_bsd_deinit
,
1575 .get_bssid
= wpa_driver_bsd_get_bssid
,
1576 .get_ssid
= wpa_driver_bsd_get_ssid
,
1577 .set_key
= wpa_driver_bsd_set_key
,
1578 .set_countermeasures
= wpa_driver_bsd_set_countermeasures
,
1579 .scan2
= wpa_driver_bsd_scan
,
1580 .get_scan_results2
= wpa_driver_bsd_get_scan_results2
,
1581 .deauthenticate
= wpa_driver_bsd_deauthenticate
,
1582 .disassociate
= wpa_driver_bsd_disassociate
,
1583 .associate
= wpa_driver_bsd_associate
,
1586 #endif /* HOSTAPD */