2 * WPA Supplicant - driver interaction with BSD net80211 layer
3 * Copyright (c) 2004, Sam Leffler <sam@errno.com>
4 * Copyright (c) 2004, 2Wire, Inc
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
10 * Alternatively, this software may be distributed under the terms of BSD
13 * See README and COPYING for more details.
17 #include <sys/ioctl.h>
22 #include "common/ieee802_11_defs.h"
25 #include <net/if_media.h>
28 #include <net/if_ether.h>
30 #include <net/ethernet.h>
32 #include <net/route.h>
35 #include <netproto/802_11/ieee80211_ioctl.h>
36 #include <netproto/802_11/ieee80211_dragonfly.h>
37 #else /* __DragonFly__ */
38 #include <net80211/ieee80211.h>
39 #include <net80211/ieee80211_ioctl.h>
40 #include <net80211/ieee80211_crypto.h>
41 #endif /* __DragonFly__ */
43 #include <net80211/ieee80211_freebsd.h>
46 #include <net80211/ieee80211_netbsd.h>
49 /* Generic functions for hostapd and wpa_supplicant */
52 bsd_set80211var(int s
, const char *ifname
, int op
, const void *arg
, int arg_len
)
54 struct ieee80211req ireq
;
56 os_memset(&ireq
, 0, sizeof(ireq
));
57 os_strlcpy(ireq
.i_name
, ifname
, sizeof(ireq
.i_name
));
60 ireq
.i_data
= (void *) arg
;
62 if (ioctl(s
, SIOCS80211
, &ireq
) < 0) {
63 fprintf(stderr
, "ioctl[SIOCS80211, op %u, len %u]: %s\n",
64 op
, arg_len
, strerror(errno
));
71 bsd_get80211var(int s
, const char *ifname
, int op
, void *arg
, int arg_len
)
73 struct ieee80211req ireq
;
75 os_memset(&ireq
, 0, sizeof(ireq
));
76 os_strlcpy(ireq
.i_name
, ifname
, sizeof(ireq
.i_name
));
81 if (ioctl(s
, SIOCG80211
, &ireq
) < 0) {
82 fprintf(stderr
, "ioctl[SIOCG80211, op %u, len %u]: %s\n",
83 op
, arg_len
, strerror(errno
));
90 bsd_set80211param(int s
, const char *ifname
, int op
, int arg
)
92 struct ieee80211req ireq
;
94 os_memset(&ireq
, 0, sizeof(ireq
));
95 os_strlcpy(ireq
.i_name
, ifname
, sizeof(ireq
.i_name
));
99 if (ioctl(s
, SIOCS80211
, &ireq
) < 0) {
100 fprintf(stderr
, "ioctl[SIOCS80211, op %u, arg 0x%x]: %s\n",
101 op
, arg
, strerror(errno
));
108 bsd_get_ssid(int s
, const char *ifname
, u8
*ssid
)
110 #ifdef SIOCG80211NWID
111 struct ieee80211_nwid nwid
;
114 os_memset(&ifr
, 0, sizeof(ifr
));
115 os_strncpy(ifr
.ifr_name
, ifname
, sizeof(ifr
.ifr_name
));
116 ifr
.ifr_data
= (void *)&nwid
;
117 if (ioctl(s
, SIOCG80211NWID
, &ifr
) < 0 ||
118 nwid
.i_len
> IEEE80211_NWID_LEN
)
120 os_memcpy(ssid
, nwid
.i_nwid
, nwid
.i_len
);
123 return bsd_get80211var(s
, ifname
, IEEE80211_IOC_SSID
,
124 ssid
, IEEE80211_NWID_LEN
);
129 bsd_set_ssid(int s
, const char *ifname
, const u8
*ssid
, size_t ssid_len
)
131 #ifdef SIOCS80211NWID
132 struct ieee80211_nwid nwid
;
135 os_memcpy(nwid
.i_nwid
, ssid
, ssid_len
);
136 nwid
.i_len
= ssid_len
;
137 os_memset(&ifr
, 0, sizeof(ifr
));
138 os_strncpy(ifr
.ifr_name
, ifname
, sizeof(ifr
.ifr_name
));
139 ifr
.ifr_data
= (void *)&nwid
;
140 return ioctl(s
, SIOCS80211NWID
, &ifr
);
142 return bsd_set80211var(s
, ifname
, IEEE80211_IOC_SSID
, ssid
, ssid_len
);
147 bsd_get_if_media(int s
, const char *ifname
)
149 struct ifmediareq ifmr
;
151 os_memset(&ifmr
, 0, sizeof(ifmr
));
152 os_strlcpy(ifmr
.ifm_name
, ifname
, sizeof(ifmr
.ifm_name
));
154 if (ioctl(s
, SIOCGIFMEDIA
, &ifmr
) < 0) {
155 wpa_printf(MSG_ERROR
, "%s: SIOCGIFMEDIA %s", __func__
,
160 return ifmr
.ifm_current
;
164 bsd_set_if_media(int s
, const char *ifname
, int media
)
168 os_memset(&ifr
, 0, sizeof(ifr
));
169 os_strlcpy(ifr
.ifr_name
, ifname
, sizeof(ifr
.ifr_name
));
170 ifr
.ifr_media
= media
;
172 if (ioctl(s
, SIOCSIFMEDIA
, &ifr
) < 0) {
173 wpa_printf(MSG_ERROR
, "%s: SIOCSIFMEDIA %s", __func__
,
182 bsd_set_mediaopt(int s
, const char *ifname
, uint32_t mask
, uint32_t mode
)
184 int media
= bsd_get_if_media(s
, ifname
);
190 if (bsd_set_if_media(s
, ifname
, media
) < 0)
199 * Avoid conflicts with hostapd definitions by undefining couple of defines
200 * from net80211 header files.
206 #include "l2_packet/l2_packet.h"
208 struct bsd_driver_data
{
209 struct hostapd_data
*hapd
; /* back pointer */
211 char iface
[IFNAMSIZ
+ 1];
212 struct l2_packet_data
*sock_xmit
; /* raw packet xmit socket */
213 int ioctl_sock
; /* socket for ioctl() use */
214 int wext_sock
; /* socket for wireless events */
217 static int bsd_sta_deauth(void *priv
, const u8
*own_addr
, const u8
*addr
,
221 set80211var(struct bsd_driver_data
*drv
, int op
, const void *arg
, int arg_len
)
223 return bsd_set80211var(drv
->ioctl_sock
, drv
->iface
, op
, arg
, arg_len
);
227 get80211var(struct bsd_driver_data
*drv
, int op
, void *arg
, int arg_len
)
229 return bsd_get80211var(drv
->ioctl_sock
, drv
->iface
, op
, arg
, arg_len
);
233 set80211param(struct bsd_driver_data
*drv
, int op
, int arg
)
235 return bsd_set80211param(drv
->ioctl_sock
, drv
->iface
, op
, arg
);
239 ether_sprintf(const u8
*addr
)
241 static char buf
[sizeof(MACSTR
)];
244 snprintf(buf
, sizeof(buf
), MACSTR
, MAC2STR(addr
));
246 snprintf(buf
, sizeof(buf
), MACSTR
, 0,0,0,0,0,0);
251 * Configure WPA parameters.
254 bsd_configure_wpa(struct bsd_driver_data
*drv
, struct wpa_bss_params
*params
)
256 static const char *ciphernames
[] =
257 { "WEP", "TKIP", "AES-OCB", "AES-CCM", "CKIP", "NONE" };
260 switch (params
->wpa_group
) {
261 case WPA_CIPHER_CCMP
:
262 v
= IEEE80211_CIPHER_AES_CCM
;
264 case WPA_CIPHER_TKIP
:
265 v
= IEEE80211_CIPHER_TKIP
;
267 case WPA_CIPHER_WEP104
:
268 v
= IEEE80211_CIPHER_WEP
;
270 case WPA_CIPHER_WEP40
:
271 v
= IEEE80211_CIPHER_WEP
;
273 case WPA_CIPHER_NONE
:
274 v
= IEEE80211_CIPHER_NONE
;
277 printf("Unknown group key cipher %u\n",
281 wpa_printf(MSG_DEBUG
, "%s: group key cipher=%s (%u)",
282 __func__
, ciphernames
[v
], v
);
283 if (set80211param(drv
, IEEE80211_IOC_MCASTCIPHER
, v
)) {
284 printf("Unable to set group key cipher to %u (%s)\n",
288 if (v
== IEEE80211_CIPHER_WEP
) {
289 /* key length is done only for specific ciphers */
290 v
= (params
->wpa_group
== WPA_CIPHER_WEP104
? 13 : 5);
291 if (set80211param(drv
, IEEE80211_IOC_MCASTKEYLEN
, v
)) {
292 printf("Unable to set group key length to %u\n", v
);
298 if (params
->wpa_pairwise
& WPA_CIPHER_CCMP
)
299 v
|= 1<<IEEE80211_CIPHER_AES_CCM
;
300 if (params
->wpa_pairwise
& WPA_CIPHER_TKIP
)
301 v
|= 1<<IEEE80211_CIPHER_TKIP
;
302 if (params
->wpa_pairwise
& WPA_CIPHER_NONE
)
303 v
|= 1<<IEEE80211_CIPHER_NONE
;
304 wpa_printf(MSG_DEBUG
, "%s: pairwise key ciphers=0x%x", __func__
, v
);
305 if (set80211param(drv
, IEEE80211_IOC_UCASTCIPHERS
, v
)) {
306 printf("Unable to set pairwise key ciphers to 0x%x\n", v
);
310 wpa_printf(MSG_DEBUG
, "%s: key management algorithms=0x%x",
311 __func__
, params
->wpa_key_mgmt
);
312 if (set80211param(drv
, IEEE80211_IOC_KEYMGTALGS
, params
->wpa_key_mgmt
))
314 printf("Unable to set key management algorithms to 0x%x\n",
315 params
->wpa_key_mgmt
);
320 if (params
->rsn_preauth
)
322 wpa_printf(MSG_DEBUG
, "%s: rsn capabilities=0x%x",
323 __func__
, params
->rsn_preauth
);
324 if (set80211param(drv
, IEEE80211_IOC_RSNCAPS
, v
)) {
325 printf("Unable to set RSN capabilities to 0x%x\n", v
);
329 wpa_printf(MSG_DEBUG
, "%s: enable WPA= 0x%x", __func__
, params
->wpa
);
330 if (set80211param(drv
, IEEE80211_IOC_WPA
, params
->wpa
)) {
331 printf("Unable to set WPA to %u\n", params
->wpa
);
339 bsd_set_iface_flags(void *priv
, int dev_up
)
341 struct bsd_driver_data
*drv
= priv
;
344 wpa_printf(MSG_DEBUG
, "%s: dev_up=%d", __func__
, dev_up
);
346 if (drv
->ioctl_sock
< 0)
349 memset(&ifr
, 0, sizeof(ifr
));
350 os_strlcpy(ifr
.ifr_name
, drv
->iface
, sizeof(ifr
.ifr_name
));
352 if (ioctl(drv
->ioctl_sock
, SIOCGIFFLAGS
, &ifr
) != 0) {
353 perror("ioctl[SIOCGIFFLAGS]");
358 ifr
.ifr_flags
|= IFF_UP
;
360 ifr
.ifr_flags
&= ~IFF_UP
;
362 if (ioctl(drv
->ioctl_sock
, SIOCSIFFLAGS
, &ifr
) != 0) {
363 perror("ioctl[SIOCSIFFLAGS]");
371 bsd_set_ieee8021x(void *priv
, struct wpa_bss_params
*params
)
373 struct bsd_driver_data
*drv
= priv
;
375 wpa_printf(MSG_DEBUG
, "%s: enabled=%d", __func__
, params
->enabled
);
377 if (!params
->enabled
) {
378 /* XXX restore state */
379 return set80211param(priv
, IEEE80211_IOC_AUTHMODE
,
380 IEEE80211_AUTH_AUTO
);
382 if (!params
->wpa
&& !params
->ieee802_1x
) {
383 hostapd_logger(drv
->hapd
, NULL
, HOSTAPD_MODULE_DRIVER
,
384 HOSTAPD_LEVEL_WARNING
, "No 802.1X or WPA enabled!");
387 if (params
->wpa
&& bsd_configure_wpa(drv
, params
) != 0) {
388 hostapd_logger(drv
->hapd
, NULL
, HOSTAPD_MODULE_DRIVER
,
389 HOSTAPD_LEVEL_WARNING
, "Error configuring WPA state!");
392 if (set80211param(priv
, IEEE80211_IOC_AUTHMODE
,
393 (params
->wpa
? IEEE80211_AUTH_WPA
: IEEE80211_AUTH_8021X
))) {
394 hostapd_logger(drv
->hapd
, NULL
, HOSTAPD_MODULE_DRIVER
,
395 HOSTAPD_LEVEL_WARNING
, "Error enabling WPA/802.1X!");
398 return bsd_set_iface_flags(priv
, 1);
402 bsd_set_privacy(const char *ifname
, void *priv
, int enabled
)
404 struct bsd_driver_data
*drv
= priv
;
406 wpa_printf(MSG_DEBUG
, "%s: enabled=%d", __func__
, enabled
);
408 return set80211param(drv
, IEEE80211_IOC_PRIVACY
, enabled
);
412 bsd_set_sta_authorized(void *priv
, const u8
*addr
, int authorized
)
414 struct bsd_driver_data
*drv
= priv
;
415 struct ieee80211req_mlme mlme
;
417 wpa_printf(MSG_DEBUG
, "%s: addr=%s authorized=%d",
418 __func__
, ether_sprintf(addr
), authorized
);
421 mlme
.im_op
= IEEE80211_MLME_AUTHORIZE
;
423 mlme
.im_op
= IEEE80211_MLME_UNAUTHORIZE
;
425 memcpy(mlme
.im_macaddr
, addr
, IEEE80211_ADDR_LEN
);
426 return set80211var(drv
, IEEE80211_IOC_MLME
, &mlme
, sizeof(mlme
));
430 bsd_sta_set_flags(void *priv
, const u8
*addr
, int total_flags
, int flags_or
,
433 /* For now, only support setting Authorized flag */
434 if (flags_or
& WPA_STA_AUTHORIZED
)
435 return bsd_set_sta_authorized(priv
, addr
, 1);
436 if (!(flags_and
& WPA_STA_AUTHORIZED
))
437 return bsd_set_sta_authorized(priv
, addr
, 0);
442 bsd_del_key(void *priv
, const u8
*addr
, int key_idx
)
444 struct bsd_driver_data
*drv
= priv
;
445 struct ieee80211req_del_key wk
;
447 wpa_printf(MSG_DEBUG
, "%s: addr=%s key_idx=%d",
448 __func__
, ether_sprintf(addr
), key_idx
);
450 memset(&wk
, 0, sizeof(wk
));
452 memcpy(wk
.idk_macaddr
, addr
, IEEE80211_ADDR_LEN
);
453 wk
.idk_keyix
= (u_int8_t
) IEEE80211_KEYIX_NONE
; /* XXX */
455 wk
.idk_keyix
= key_idx
;
458 return set80211var(drv
, IEEE80211_IOC_DELKEY
, &wk
, sizeof(wk
));
462 bsd_set_key(const char *ifname
, void *priv
, enum wpa_alg alg
,
463 const u8
*addr
, int key_idx
, int set_tx
, const u8
*seq
,
464 size_t seq_len
, const u8
*key
, size_t key_len
)
466 struct bsd_driver_data
*drv
= priv
;
467 struct ieee80211req_key wk
;
470 if (alg
== WPA_ALG_NONE
)
471 return bsd_del_key(drv
, addr
, key_idx
);
473 wpa_printf(MSG_DEBUG
, "%s: alg=%d addr=%s key_idx=%d",
474 __func__
, alg
, ether_sprintf(addr
), key_idx
);
476 if (alg
== WPA_ALG_WEP
)
477 cipher
= IEEE80211_CIPHER_WEP
;
478 else if (alg
== WPA_ALG_TKIP
)
479 cipher
= IEEE80211_CIPHER_TKIP
;
480 else if (alg
== WPA_ALG_CCMP
)
481 cipher
= IEEE80211_CIPHER_AES_CCM
;
483 printf("%s: unknown/unsupported algorithm %d\n",
488 if (key_len
> sizeof(wk
.ik_keydata
)) {
489 printf("%s: key length %d too big\n", __func__
, (int) key_len
);
493 memset(&wk
, 0, sizeof(wk
));
495 wk
.ik_flags
= IEEE80211_KEY_RECV
| IEEE80211_KEY_XMIT
;
497 memset(wk
.ik_macaddr
, 0xff, IEEE80211_ADDR_LEN
);
498 wk
.ik_keyix
= key_idx
;
499 wk
.ik_flags
|= IEEE80211_KEY_DEFAULT
;
501 memcpy(wk
.ik_macaddr
, addr
, IEEE80211_ADDR_LEN
);
502 wk
.ik_keyix
= IEEE80211_KEYIX_NONE
;
504 wk
.ik_keylen
= key_len
;
505 memcpy(wk
.ik_keydata
, key
, key_len
);
507 return set80211var(drv
, IEEE80211_IOC_WPAKEY
, &wk
, sizeof(wk
));
512 bsd_get_seqnum(const char *ifname
, void *priv
, const u8
*addr
, int idx
,
515 struct bsd_driver_data
*drv
= priv
;
516 struct ieee80211req_key wk
;
518 wpa_printf(MSG_DEBUG
, "%s: addr=%s idx=%d",
519 __func__
, ether_sprintf(addr
), idx
);
521 memset(&wk
, 0, sizeof(wk
));
523 memset(wk
.ik_macaddr
, 0xff, IEEE80211_ADDR_LEN
);
525 memcpy(wk
.ik_macaddr
, addr
, IEEE80211_ADDR_LEN
);
528 if (get80211var(drv
, IEEE80211_IOC_WPAKEY
, &wk
, sizeof(wk
)) < 0) {
529 printf("Failed to get encryption.\n");
533 #ifdef WORDS_BIGENDIAN
536 * wk.ik_keytsc is in host byte order (big endian), need to
537 * swap it to match with the byte order used in WPA.
540 u8 tmp
[WPA_KEY_RSC_LEN
];
541 memcpy(tmp
, &wk
.ik_keytsc
, sizeof(wk
.ik_keytsc
));
542 for (i
= 0; i
< WPA_KEY_RSC_LEN
; i
++) {
543 seq
[i
] = tmp
[WPA_KEY_RSC_LEN
- i
- 1];
546 #else /* WORDS_BIGENDIAN */
547 memcpy(seq
, &wk
.ik_keytsc
, sizeof(wk
.ik_keytsc
));
548 #endif /* WORDS_BIGENDIAN */
554 bsd_flush(void *priv
)
556 u8 allsta
[IEEE80211_ADDR_LEN
];
558 memset(allsta
, 0xff, IEEE80211_ADDR_LEN
);
559 return bsd_sta_deauth(priv
, NULL
, allsta
, IEEE80211_REASON_AUTH_LEAVE
);
564 bsd_read_sta_driver_data(void *priv
, struct hostap_sta_driver_data
*data
,
567 struct bsd_driver_data
*drv
= priv
;
568 struct ieee80211req_sta_stats stats
;
570 memcpy(stats
.is_u
.macaddr
, addr
, IEEE80211_ADDR_LEN
);
571 if (get80211var(drv
, IEEE80211_IOC_STA_STATS
, &stats
, sizeof(stats
)) > 0) {
572 /* XXX? do packets counts include non-data frames? */
573 data
->rx_packets
= stats
.is_stats
.ns_rx_data
;
574 data
->rx_bytes
= stats
.is_stats
.ns_rx_bytes
;
575 data
->tx_packets
= stats
.is_stats
.ns_tx_data
;
576 data
->tx_bytes
= stats
.is_stats
.ns_tx_bytes
;
582 bsd_set_opt_ie(const char *ifname
, void *priv
, const u8
*ie
, size_t ie_len
)
585 * Do nothing; we setup parameters at startup that define the
586 * contents of the beacon information element.
592 bsd_sta_deauth(void *priv
, const u8
*own_addr
, const u8
*addr
, int reason_code
)
594 struct bsd_driver_data
*drv
= priv
;
595 struct ieee80211req_mlme mlme
;
597 wpa_printf(MSG_DEBUG
, "%s: addr=%s reason_code=%d",
598 __func__
, ether_sprintf(addr
), reason_code
);
600 mlme
.im_op
= IEEE80211_MLME_DEAUTH
;
601 mlme
.im_reason
= reason_code
;
602 memcpy(mlme
.im_macaddr
, addr
, IEEE80211_ADDR_LEN
);
603 return set80211var(drv
, IEEE80211_IOC_MLME
, &mlme
, sizeof(mlme
));
607 bsd_sta_disassoc(void *priv
, const u8
*own_addr
, const u8
*addr
,
610 struct bsd_driver_data
*drv
= priv
;
611 struct ieee80211req_mlme mlme
;
613 wpa_printf(MSG_DEBUG
, "%s: addr=%s reason_code=%d",
614 __func__
, ether_sprintf(addr
), reason_code
);
616 mlme
.im_op
= IEEE80211_MLME_DISASSOC
;
617 mlme
.im_reason
= reason_code
;
618 memcpy(mlme
.im_macaddr
, addr
, IEEE80211_ADDR_LEN
);
619 return set80211var(drv
, IEEE80211_IOC_MLME
, &mlme
, sizeof(mlme
));
623 bsd_new_sta(struct bsd_driver_data
*drv
, u8 addr
[IEEE80211_ADDR_LEN
])
625 struct hostapd_data
*hapd
= drv
->hapd
;
626 struct ieee80211req_wpaie ie
;
631 * Fetch and validate any negotiated WPA/RSN parameters.
633 memset(&ie
, 0, sizeof(ie
));
634 memcpy(ie
.wpa_macaddr
, addr
, IEEE80211_ADDR_LEN
);
635 if (get80211var(drv
, IEEE80211_IOC_WPAIE
, &ie
, sizeof(ie
)) < 0) {
636 printf("Failed to get WPA/RSN information element.\n");
640 ielen
= ie
.wpa_ie
[1];
647 drv_event_assoc(hapd
, addr
, iebuf
, ielen
);
651 bsd_wireless_event_receive(int sock
, void *ctx
, void *sock_ctx
)
653 struct bsd_driver_data
*drv
= ctx
;
655 struct if_announcemsghdr
*ifan
;
656 struct rt_msghdr
*rtm
;
657 struct ieee80211_michael_event
*mic
;
658 struct ieee80211_join_event
*join
;
659 struct ieee80211_leave_event
*leave
;
661 union wpa_event_data data
;
663 n
= read(sock
, buf
, sizeof(buf
));
665 if (errno
!= EINTR
&& errno
!= EAGAIN
)
666 perror("read(PF_ROUTE)");
670 rtm
= (struct rt_msghdr
*) buf
;
671 if (rtm
->rtm_version
!= RTM_VERSION
) {
672 wpa_printf(MSG_DEBUG
, "Routing message version %d not "
673 "understood\n", rtm
->rtm_version
);
676 ifan
= (struct if_announcemsghdr
*) rtm
;
677 switch (rtm
->rtm_type
) {
679 switch (ifan
->ifan_what
) {
680 case RTM_IEEE80211_ASSOC
:
681 case RTM_IEEE80211_REASSOC
:
682 case RTM_IEEE80211_DISASSOC
:
683 case RTM_IEEE80211_SCAN
:
685 case RTM_IEEE80211_LEAVE
:
686 leave
= (struct ieee80211_leave_event
*) &ifan
[1];
687 drv_event_disassoc(drv
->hapd
, leave
->iev_addr
);
689 case RTM_IEEE80211_JOIN
:
690 #ifdef RTM_IEEE80211_REJOIN
691 case RTM_IEEE80211_REJOIN
:
693 join
= (struct ieee80211_join_event
*) &ifan
[1];
694 bsd_new_sta(drv
, join
->iev_addr
);
696 case RTM_IEEE80211_REPLAY
:
699 case RTM_IEEE80211_MICHAEL
:
700 mic
= (struct ieee80211_michael_event
*) &ifan
[1];
701 wpa_printf(MSG_DEBUG
,
702 "Michael MIC failure wireless event: "
703 "keyix=%u src_addr=" MACSTR
, mic
->iev_keyix
,
704 MAC2STR(mic
->iev_src
));
705 os_memset(&data
, 0, sizeof(data
));
706 data
.michael_mic_failure
.unicast
= 1;
707 data
.michael_mic_failure
.src
= mic
->iev_src
;
708 wpa_supplicant_event(drv
->hapd
,
709 EVENT_MICHAEL_MIC_FAILURE
, &data
);
717 bsd_wireless_event_init(struct bsd_driver_data
*drv
)
723 s
= socket(PF_ROUTE
, SOCK_RAW
, 0);
725 perror("socket(PF_ROUTE,SOCK_RAW)");
728 eloop_register_read_sock(s
, bsd_wireless_event_receive
, drv
, NULL
);
735 bsd_wireless_event_deinit(struct bsd_driver_data
*drv
)
737 if (drv
->wext_sock
< 0)
739 eloop_unregister_read_sock(drv
->wext_sock
);
740 close(drv
->wext_sock
);
745 bsd_send_eapol(void *priv
, const u8
*addr
, const u8
*data
, size_t data_len
,
746 int encrypt
, const u8
*own_addr
)
748 struct bsd_driver_data
*drv
= priv
;
750 struct l2_ethhdr
*eth
;
755 * Prepend the Ethernet header. If the caller left us
756 * space at the front we could just insert it but since
757 * we don't know we copy to a local buffer. Given the frequency
758 * and size of frames this probably doesn't matter.
760 len
= data_len
+ sizeof(struct l2_ethhdr
);
763 wpa_printf(MSG_ERROR
, "malloc() failed for bsd_send_eapol"
764 "(len=%lu)", (unsigned long) len
);
767 eth
= (struct l2_ethhdr
*) bp
;
768 os_memcpy(eth
->h_dest
, addr
, ETH_ALEN
);
769 os_memcpy(eth
->h_source
, own_addr
, ETH_ALEN
);
770 eth
->h_proto
= htons(ETH_P_EAPOL
);
771 os_memcpy(eth
+ 1, data
, data_len
);
773 wpa_hexdump(MSG_MSGDUMP
, "TX EAPOL", bp
, len
);
775 status
= l2_packet_send(drv
->sock_xmit
, addr
, ETH_P_EAPOL
, bp
, len
);
782 handle_read(void *ctx
, const u8
*src_addr
, const u8
*buf
, size_t len
)
784 struct bsd_driver_data
*drv
= ctx
;
785 drv_event_eapol_rx(drv
->hapd
, src_addr
, buf
+ sizeof(struct l2_ethhdr
),
786 len
- sizeof(struct l2_ethhdr
));
790 hostapd_bsd_get_ssid(const char *ifname
, void *priv
, u8
*buf
, int len
)
792 struct bsd_driver_data
*drv
= priv
;
795 ssid_len
= bsd_get_ssid(drv
->ioctl_sock
, drv
->iface
, buf
);
796 wpa_printf(MSG_DEBUG
, "%s: ssid=\"%.*s\"", __func__
, ssid_len
, buf
);
802 hostapd_bsd_set_ssid(const char *ifname
, void *priv
, const u8
*buf
, int len
)
804 struct bsd_driver_data
*drv
= priv
;
806 wpa_printf(MSG_DEBUG
, "%s: ssid=\"%.*s\"", __func__
, len
, buf
);
808 return bsd_set_ssid(drv
->ioctl_sock
, drv
->iface
, buf
, len
);
812 bsd_set_freq(void *priv
, struct hostapd_freq_params
*freq
)
814 struct bsd_driver_data
*drv
= priv
;
815 struct ieee80211chanreq creq
;
818 if (freq
->channel
< 14)
819 mode
= IFM_IEEE80211_11G
;
820 else if (freq
->channel
== 14)
821 mode
= IFM_IEEE80211_11B
;
823 mode
= IFM_IEEE80211_11A
;
824 if (bsd_set_mediaopt(drv
->ioctl_sock
, drv
->iface
, IFM_MMASK
,
826 wpa_printf(MSG_ERROR
, "%s: failed to set modulation mode",
831 os_memset(&creq
, 0, sizeof(creq
));
832 os_strlcpy(creq
.i_name
, drv
->iface
, sizeof(creq
.i_name
));
833 creq
.i_channel
= freq
->channel
;
834 return ioctl(drv
->ioctl_sock
, SIOCS80211CHANNEL
, &creq
);
838 bsd_init(struct hostapd_data
*hapd
, struct wpa_init_params
*params
)
840 struct bsd_driver_data
*drv
;
842 drv
= os_zalloc(sizeof(struct bsd_driver_data
));
844 printf("Could not allocate memory for bsd driver data\n");
849 drv
->ioctl_sock
= socket(PF_INET
, SOCK_DGRAM
, 0);
850 if (drv
->ioctl_sock
< 0) {
851 perror("socket[PF_INET,SOCK_DGRAM]");
854 memcpy(drv
->iface
, params
->ifname
, sizeof(drv
->iface
));
856 drv
->sock_xmit
= l2_packet_init(drv
->iface
, NULL
, ETH_P_EAPOL
,
857 handle_read
, drv
, 1);
858 if (drv
->sock_xmit
== NULL
)
860 if (l2_packet_get_own_addr(drv
->sock_xmit
, params
->own_addr
))
863 bsd_set_iface_flags(drv
, 0); /* mark down during setup */
864 if (bsd_wireless_event_init(drv
))
867 if (bsd_set_mediaopt(drv
->ioctl_sock
, drv
->iface
, IFM_OMASK
,
868 IFM_IEEE80211_HOSTAP
) < 0) {
869 wpa_printf(MSG_ERROR
, "%s: failed to set operation mode",
876 if (drv
->sock_xmit
!= NULL
)
877 l2_packet_deinit(drv
->sock_xmit
);
878 if (drv
->ioctl_sock
>= 0)
879 close(drv
->ioctl_sock
);
887 bsd_deinit(void *priv
)
889 struct bsd_driver_data
*drv
= priv
;
891 bsd_wireless_event_deinit(drv
);
892 (void) bsd_set_iface_flags(drv
, 0);
893 if (drv
->ioctl_sock
>= 0)
894 close(drv
->ioctl_sock
);
895 if (drv
->sock_xmit
!= NULL
)
896 l2_packet_deinit(drv
->sock_xmit
);
900 const struct wpa_driver_ops wpa_driver_bsd_ops
= {
902 .hapd_init
= bsd_init
,
903 .hapd_deinit
= bsd_deinit
,
904 .set_ieee8021x
= bsd_set_ieee8021x
,
905 .set_privacy
= bsd_set_privacy
,
906 .set_key
= bsd_set_key
,
907 .get_seqnum
= bsd_get_seqnum
,
909 .set_generic_elem
= bsd_set_opt_ie
,
910 .sta_set_flags
= bsd_sta_set_flags
,
911 .read_sta_data
= bsd_read_sta_driver_data
,
912 .hapd_send_eapol
= bsd_send_eapol
,
913 .sta_disassoc
= bsd_sta_disassoc
,
914 .sta_deauth
= bsd_sta_deauth
,
915 .hapd_set_ssid
= hostapd_bsd_set_ssid
,
916 .hapd_get_ssid
= hostapd_bsd_get_ssid
,
917 .set_freq
= bsd_set_freq
,
922 struct wpa_driver_bsd_data
{
923 int sock
; /* open socket for 802.11 ioctls */
924 int route
; /* routing socket for events */
925 char ifname
[IFNAMSIZ
+1]; /* interface name */
926 unsigned int ifindex
; /* interface index */
928 int prev_roaming
; /* roaming state to restore on deinit */
929 int prev_privacy
; /* privacy state to restore on deinit */
930 int prev_wpa
; /* wpa state to restore on deinit */
934 set80211var(struct wpa_driver_bsd_data
*drv
, int op
, const void *arg
, int arg_len
)
936 return bsd_set80211var(drv
->sock
, drv
->ifname
, op
, arg
, arg_len
);
940 get80211var(struct wpa_driver_bsd_data
*drv
, int op
, void *arg
, int arg_len
)
942 return bsd_get80211var(drv
->sock
, drv
->ifname
, op
, arg
, arg_len
);
946 set80211param(struct wpa_driver_bsd_data
*drv
, int op
, int arg
)
948 return bsd_set80211param(drv
->sock
, drv
->ifname
, op
, arg
);
952 get80211param(struct wpa_driver_bsd_data
*drv
, int op
)
954 struct ieee80211req ireq
;
956 os_memset(&ireq
, 0, sizeof(ireq
));
957 os_strlcpy(ireq
.i_name
, drv
->ifname
, sizeof(ireq
.i_name
));
960 if (ioctl(drv
->sock
, SIOCG80211
, &ireq
) < 0) {
961 fprintf(stderr
, "ioctl[SIOCG80211, op %u]: %s\n",
962 op
, strerror(errno
));
969 getifflags(struct wpa_driver_bsd_data
*drv
, int *flags
)
973 os_memset(&ifr
, 0, sizeof(ifr
));
974 os_strlcpy(ifr
.ifr_name
, drv
->ifname
, sizeof(ifr
.ifr_name
));
975 if (ioctl(drv
->sock
, SIOCGIFFLAGS
, (caddr_t
)&ifr
) < 0) {
976 perror("SIOCGIFFLAGS");
979 *flags
= ifr
.ifr_flags
& 0xffff;
984 setifflags(struct wpa_driver_bsd_data
*drv
, int flags
)
988 os_memset(&ifr
, 0, sizeof(ifr
));
989 os_strlcpy(ifr
.ifr_name
, drv
->ifname
, sizeof(ifr
.ifr_name
));
990 ifr
.ifr_flags
= flags
& 0xffff;
991 if (ioctl(drv
->sock
, SIOCSIFFLAGS
, (caddr_t
)&ifr
) < 0) {
992 perror("SIOCSIFFLAGS");
999 wpa_driver_bsd_get_bssid(void *priv
, u8
*bssid
)
1001 struct wpa_driver_bsd_data
*drv
= priv
;
1002 #ifdef SIOCG80211BSSID
1003 struct ieee80211_bssid bs
;
1005 os_strncpy(bs
.i_name
, drv
->ifname
, sizeof(bs
.i_name
));
1006 if (ioctl(drv
->sock
, SIOCG80211BSSID
, &bs
) < 0)
1008 os_memcpy(bssid
, bs
.i_bssid
, sizeof(bs
.i_bssid
));
1011 return get80211var(drv
, IEEE80211_IOC_BSSID
,
1012 bssid
, IEEE80211_ADDR_LEN
) < 0 ? -1 : 0;
1018 wpa_driver_bsd_set_bssid(void *priv
, const char *bssid
)
1020 struct wpa_driver_bsd_data
*drv
= priv
;
1022 return set80211var(drv
, IEEE80211_IOC_BSSID
,
1023 bssid
, IEEE80211_ADDR_LEN
);
1028 wpa_driver_bsd_get_ssid(void *priv
, u8
*ssid
)
1030 struct wpa_driver_bsd_data
*drv
= priv
;
1032 return bsd_get_ssid(drv
->sock
, drv
->ifname
, ssid
);
1036 wpa_driver_bsd_set_ssid(void *priv
, const u8
*ssid
,
1039 struct wpa_driver_bsd_data
*drv
= priv
;
1041 return bsd_set_ssid(drv
->sock
, drv
->ifname
, ssid
, ssid_len
);
1045 wpa_driver_bsd_set_wpa_ie(struct wpa_driver_bsd_data
*drv
,
1046 const u8
*wpa_ie
, size_t wpa_ie_len
)
1048 #ifdef IEEE80211_IOC_APPIE
1049 return set80211var(drv
, IEEE80211_IOC_APPIE
, wpa_ie
, wpa_ie_len
);
1050 #else /* IEEE80211_IOC_APPIE */
1051 return set80211var(drv
, IEEE80211_IOC_OPTIE
, wpa_ie
, wpa_ie_len
);
1052 #endif /* IEEE80211_IOC_APPIE */
1056 wpa_driver_bsd_set_wpa_internal(void *priv
, int wpa
, int privacy
)
1058 struct wpa_driver_bsd_data
*drv
= priv
;
1061 wpa_printf(MSG_DEBUG
, "%s: wpa=%d privacy=%d",
1062 __FUNCTION__
, wpa
, privacy
);
1064 if (!wpa
&& wpa_driver_bsd_set_wpa_ie(drv
, NULL
, 0) < 0)
1066 if (set80211param(drv
, IEEE80211_IOC_PRIVACY
, privacy
) < 0)
1068 if (set80211param(drv
, IEEE80211_IOC_WPA
, wpa
) < 0)
1075 wpa_driver_bsd_set_wpa(void *priv
, int enabled
)
1077 wpa_printf(MSG_DEBUG
, "%s: enabled=%d", __FUNCTION__
, enabled
);
1079 return wpa_driver_bsd_set_wpa_internal(priv
, enabled
? 3 : 0, enabled
);
1083 wpa_driver_bsd_del_key(struct wpa_driver_bsd_data
*drv
, int key_idx
,
1084 const unsigned char *addr
)
1086 struct ieee80211req_del_key wk
;
1088 os_memset(&wk
, 0, sizeof(wk
));
1090 bcmp(addr
, "\xff\xff\xff\xff\xff\xff", IEEE80211_ADDR_LEN
) != 0) {
1091 struct ether_addr ea
;
1093 os_memcpy(&ea
, addr
, IEEE80211_ADDR_LEN
);
1094 wpa_printf(MSG_DEBUG
, "%s: addr=%s keyidx=%d",
1095 __func__
, ether_ntoa(&ea
), key_idx
);
1096 os_memcpy(wk
.idk_macaddr
, addr
, IEEE80211_ADDR_LEN
);
1097 wk
.idk_keyix
= (uint8_t) IEEE80211_KEYIX_NONE
;
1099 wpa_printf(MSG_DEBUG
, "%s: keyidx=%d", __func__
, key_idx
);
1100 wk
.idk_keyix
= key_idx
;
1102 return set80211var(drv
, IEEE80211_IOC_DELKEY
, &wk
, sizeof(wk
));
1106 wpa_driver_bsd_set_key(const char *ifname
, void *priv
, enum wpa_alg alg
,
1107 const unsigned char *addr
, int key_idx
, int set_tx
,
1108 const u8
*seq
, size_t seq_len
,
1109 const u8
*key
, size_t key_len
)
1111 struct wpa_driver_bsd_data
*drv
= priv
;
1112 struct ieee80211req_key wk
;
1113 struct ether_addr ea
;
1117 if (alg
== WPA_ALG_NONE
)
1118 return wpa_driver_bsd_del_key(drv
, key_idx
, addr
);
1123 cipher
= IEEE80211_CIPHER_WEP
;
1127 cipher
= IEEE80211_CIPHER_TKIP
;
1131 cipher
= IEEE80211_CIPHER_AES_CCM
;
1134 wpa_printf(MSG_DEBUG
, "%s: unknown/unsupported algorithm %d",
1139 os_memcpy(&ea
, addr
, IEEE80211_ADDR_LEN
);
1140 wpa_printf(MSG_DEBUG
,
1141 "%s: alg=%s addr=%s key_idx=%d set_tx=%d seq_len=%zu key_len=%zu",
1142 __func__
, alg_name
, ether_ntoa(&ea
), key_idx
, set_tx
,
1145 if (seq_len
> sizeof(u_int64_t
)) {
1146 wpa_printf(MSG_DEBUG
, "%s: seq_len %zu too big",
1150 if (key_len
> sizeof(wk
.ik_keydata
)) {
1151 wpa_printf(MSG_DEBUG
, "%s: key length %zu too big",
1156 os_memset(&wk
, 0, sizeof(wk
));
1157 wk
.ik_type
= cipher
;
1158 wk
.ik_flags
= IEEE80211_KEY_RECV
;
1160 wk
.ik_flags
|= IEEE80211_KEY_XMIT
;
1161 os_memcpy(wk
.ik_macaddr
, addr
, IEEE80211_ADDR_LEN
);
1163 * Deduce whether group/global or unicast key by checking
1164 * the address (yech). Note also that we can only mark global
1165 * keys default; doing this for a unicast key is an error.
1167 if (bcmp(addr
, "\xff\xff\xff\xff\xff\xff", IEEE80211_ADDR_LEN
) == 0) {
1168 wk
.ik_flags
|= IEEE80211_KEY_GROUP
;
1169 wk
.ik_keyix
= key_idx
;
1171 wk
.ik_keyix
= (key_idx
== 0 ? IEEE80211_KEYIX_NONE
: key_idx
);
1173 if (wk
.ik_keyix
!= IEEE80211_KEYIX_NONE
&& set_tx
)
1174 wk
.ik_flags
|= IEEE80211_KEY_DEFAULT
;
1175 wk
.ik_keylen
= key_len
;
1176 os_memcpy(&wk
.ik_keyrsc
, seq
, seq_len
);
1177 os_memcpy(wk
.ik_keydata
, key
, key_len
);
1179 return set80211var(drv
, IEEE80211_IOC_WPAKEY
, &wk
, sizeof(wk
));
1183 wpa_driver_bsd_set_countermeasures(void *priv
, int enabled
)
1185 struct wpa_driver_bsd_data
*drv
= priv
;
1187 wpa_printf(MSG_DEBUG
, "%s: enabled=%d", __func__
, enabled
);
1188 return set80211param(drv
, IEEE80211_IOC_COUNTERMEASURES
, enabled
);
1193 wpa_driver_bsd_set_drop_unencrypted(void *priv
, int enabled
)
1195 struct wpa_driver_bsd_data
*drv
= priv
;
1197 wpa_printf(MSG_DEBUG
, "%s: enabled=%d", __func__
, enabled
);
1198 return set80211param(drv
, IEEE80211_IOC_DROPUNENCRYPTED
, enabled
);
1202 wpa_driver_bsd_deauthenticate(void *priv
, const u8
*addr
, int reason_code
)
1204 struct wpa_driver_bsd_data
*drv
= priv
;
1205 struct ieee80211req_mlme mlme
;
1207 wpa_printf(MSG_DEBUG
, "%s", __func__
);
1208 os_memset(&mlme
, 0, sizeof(mlme
));
1209 mlme
.im_op
= IEEE80211_MLME_DEAUTH
;
1210 mlme
.im_reason
= reason_code
;
1211 os_memcpy(mlme
.im_macaddr
, addr
, IEEE80211_ADDR_LEN
);
1212 return set80211var(drv
, IEEE80211_IOC_MLME
, &mlme
, sizeof(mlme
));
1216 wpa_driver_bsd_disassociate(void *priv
, const u8
*addr
, int reason_code
)
1218 struct wpa_driver_bsd_data
*drv
= priv
;
1219 struct ieee80211req_mlme mlme
;
1221 wpa_printf(MSG_DEBUG
, "%s", __func__
);
1222 os_memset(&mlme
, 0, sizeof(mlme
));
1223 mlme
.im_op
= IEEE80211_MLME_DISASSOC
;
1224 mlme
.im_reason
= reason_code
;
1225 os_memcpy(mlme
.im_macaddr
, addr
, IEEE80211_ADDR_LEN
);
1226 return set80211var(drv
, IEEE80211_IOC_MLME
, &mlme
, sizeof(mlme
));
1230 wpa_driver_bsd_set_auth_alg(void *priv
, int auth_alg
)
1232 struct wpa_driver_bsd_data
*drv
= priv
;
1235 if ((auth_alg
& WPA_AUTH_ALG_OPEN
) &&
1236 (auth_alg
& WPA_AUTH_ALG_SHARED
))
1237 authmode
= IEEE80211_AUTH_AUTO
;
1238 else if (auth_alg
& WPA_AUTH_ALG_SHARED
)
1239 authmode
= IEEE80211_AUTH_SHARED
;
1241 authmode
= IEEE80211_AUTH_OPEN
;
1243 return set80211param(drv
, IEEE80211_IOC_AUTHMODE
, authmode
);
1247 wpa_driver_bsd_associate(void *priv
, struct wpa_driver_associate_params
*params
)
1249 struct wpa_driver_bsd_data
*drv
= priv
;
1250 struct ieee80211req_mlme mlme
;
1254 wpa_printf(MSG_DEBUG
,
1255 "%s: ssid '%.*s' wpa ie len %u pairwise %u group %u key mgmt %u"
1257 , (unsigned int) params
->ssid_len
, params
->ssid
1258 , (unsigned int) params
->wpa_ie_len
1259 , params
->pairwise_suite
1260 , params
->group_suite
1261 , params
->key_mgmt_suite
1264 if (wpa_driver_bsd_set_drop_unencrypted(drv
, params
->drop_unencrypted
)
1267 if (wpa_driver_bsd_set_auth_alg(drv
, params
->auth_alg
) < 0)
1269 /* XXX error handling is wrong but unclear what to do... */
1270 if (wpa_driver_bsd_set_wpa_ie(drv
, params
->wpa_ie
, params
->wpa_ie_len
) < 0)
1273 privacy
= !(params
->pairwise_suite
== CIPHER_NONE
&&
1274 params
->group_suite
== CIPHER_NONE
&&
1275 params
->key_mgmt_suite
== KEY_MGMT_NONE
&&
1276 params
->wpa_ie_len
== 0);
1277 wpa_printf(MSG_DEBUG
, "%s: set PRIVACY %u", __func__
, privacy
);
1279 if (set80211param(drv
, IEEE80211_IOC_PRIVACY
, privacy
) < 0)
1282 if (params
->wpa_ie_len
&&
1283 set80211param(drv
, IEEE80211_IOC_WPA
,
1284 params
->wpa_ie
[0] == WLAN_EID_RSN
? 2 : 1) < 0)
1287 os_memset(&mlme
, 0, sizeof(mlme
));
1288 mlme
.im_op
= IEEE80211_MLME_ASSOC
;
1289 if (params
->ssid
!= NULL
)
1290 os_memcpy(mlme
.im_ssid
, params
->ssid
, params
->ssid_len
);
1291 mlme
.im_ssid_len
= params
->ssid_len
;
1292 if (params
->bssid
!= NULL
)
1293 os_memcpy(mlme
.im_macaddr
, params
->bssid
, IEEE80211_ADDR_LEN
);
1294 if (set80211var(drv
, IEEE80211_IOC_MLME
, &mlme
, sizeof(mlme
)) < 0)
1300 wpa_driver_bsd_scan(void *priv
, struct wpa_driver_scan_params
*params
)
1302 struct wpa_driver_bsd_data
*drv
= priv
;
1304 const u8
*ssid
= params
->ssids
[0].ssid
;
1305 size_t ssid_len
= params
->ssids
[0].ssid_len
;
1307 /* NB: interface must be marked UP to do a scan */
1308 if (getifflags(drv
, &flags
) != 0 || setifflags(drv
, flags
| IFF_UP
) != 0)
1311 /* set desired ssid before scan */
1312 if (wpa_driver_bsd_set_ssid(drv
, ssid
, ssid_len
) < 0)
1315 /* NB: net80211 delivers a scan complete event so no need to poll */
1316 return set80211param(drv
, IEEE80211_IOC_SCAN_REQ
, 0);
1320 wpa_driver_bsd_event_receive(int sock
, void *ctx
, void *sock_ctx
)
1322 struct wpa_driver_bsd_data
*drv
= sock_ctx
;
1324 struct if_announcemsghdr
*ifan
;
1325 struct if_msghdr
*ifm
;
1326 struct rt_msghdr
*rtm
;
1327 union wpa_event_data event
;
1328 struct ieee80211_michael_event
*mic
;
1331 n
= read(sock
, buf
, sizeof(buf
));
1333 if (errno
!= EINTR
&& errno
!= EAGAIN
)
1334 perror("read(PF_ROUTE)");
1338 rtm
= (struct rt_msghdr
*) buf
;
1339 if (rtm
->rtm_version
!= RTM_VERSION
) {
1340 wpa_printf(MSG_DEBUG
, "Routing message version %d not "
1341 "understood\n", rtm
->rtm_version
);
1344 os_memset(&event
, 0, sizeof(event
));
1345 switch (rtm
->rtm_type
) {
1346 case RTM_IFANNOUNCE
:
1347 ifan
= (struct if_announcemsghdr
*) rtm
;
1348 if (ifan
->ifan_index
!= drv
->ifindex
)
1350 strlcpy(event
.interface_status
.ifname
, drv
->ifname
,
1351 sizeof(event
.interface_status
.ifname
));
1352 switch (ifan
->ifan_what
) {
1353 case IFAN_DEPARTURE
:
1354 event
.interface_status
.ievent
= EVENT_INTERFACE_REMOVED
;
1358 wpa_printf(MSG_DEBUG
, "RTM_IFANNOUNCE: Interface '%s' %s",
1359 event
.interface_status
.ifname
,
1360 ifan
->ifan_what
== IFAN_DEPARTURE
?
1361 "removed" : "added");
1362 wpa_supplicant_event(ctx
, EVENT_INTERFACE_STATUS
, &event
);
1365 ifan
= (struct if_announcemsghdr
*) rtm
;
1366 if (ifan
->ifan_index
!= drv
->ifindex
)
1368 switch (ifan
->ifan_what
) {
1369 case RTM_IEEE80211_ASSOC
:
1370 case RTM_IEEE80211_REASSOC
:
1371 wpa_supplicant_event(ctx
, EVENT_ASSOC
, NULL
);
1373 case RTM_IEEE80211_DISASSOC
:
1374 wpa_supplicant_event(ctx
, EVENT_DISASSOC
, NULL
);
1376 case RTM_IEEE80211_SCAN
:
1377 wpa_supplicant_event(ctx
, EVENT_SCAN_RESULTS
, NULL
);
1379 case RTM_IEEE80211_REPLAY
:
1382 case RTM_IEEE80211_MICHAEL
:
1383 mic
= (struct ieee80211_michael_event
*) &ifan
[1];
1384 wpa_printf(MSG_DEBUG
,
1385 "Michael MIC failure wireless event: "
1386 "keyix=%u src_addr=" MACSTR
, mic
->iev_keyix
,
1387 MAC2STR(mic
->iev_src
));
1389 os_memset(&event
, 0, sizeof(event
));
1390 event
.michael_mic_failure
.unicast
=
1391 !IEEE80211_IS_MULTICAST(mic
->iev_dst
);
1392 wpa_supplicant_event(ctx
, EVENT_MICHAEL_MIC_FAILURE
,
1398 ifm
= (struct if_msghdr
*) rtm
;
1399 if (ifm
->ifm_index
!= drv
->ifindex
)
1401 if ((rtm
->rtm_flags
& RTF_UP
) == 0) {
1402 strlcpy(event
.interface_status
.ifname
, drv
->ifname
,
1403 sizeof(event
.interface_status
.ifname
));
1404 event
.interface_status
.ievent
= EVENT_INTERFACE_REMOVED
;
1405 wpa_printf(MSG_DEBUG
, "RTM_IFINFO: Interface '%s' DOWN",
1406 event
.interface_status
.ifname
);
1407 wpa_supplicant_event(ctx
, EVENT_INTERFACE_STATUS
, &event
);
1414 wpa_driver_bsd_add_scan_entry(struct wpa_scan_results
*res
,
1415 struct ieee80211req_scan_result
*sr
)
1417 struct wpa_scan_res
*result
, **tmp
;
1421 extra_len
= 2 + sr
->isr_ssid_len
;
1422 extra_len
+= 2 + sr
->isr_nrates
;
1423 extra_len
+= 3; /* ERP IE */
1424 extra_len
+= sr
->isr_ie_len
;
1426 result
= os_zalloc(sizeof(*result
) + extra_len
);
1429 os_memcpy(result
->bssid
, sr
->isr_bssid
, ETH_ALEN
);
1430 result
->freq
= sr
->isr_freq
;
1431 result
->beacon_int
= sr
->isr_intval
;
1432 result
->caps
= sr
->isr_capinfo
;
1433 result
->qual
= sr
->isr_rssi
;
1434 result
->noise
= sr
->isr_noise
;
1436 pos
= (u8
*)(result
+ 1);
1438 *pos
++ = WLAN_EID_SSID
;
1439 *pos
++ = sr
->isr_ssid_len
;
1440 os_memcpy(pos
, sr
+ 1, sr
->isr_ssid_len
);
1441 pos
+= sr
->isr_ssid_len
;
1444 * Deal all rates as supported rate.
1445 * Because net80211 doesn't report extended supported rate or not.
1447 *pos
++ = WLAN_EID_SUPP_RATES
;
1448 *pos
++ = sr
->isr_nrates
;
1449 os_memcpy(pos
, sr
->isr_rates
, sr
->isr_nrates
);
1450 pos
+= sr
->isr_nrates
;
1452 *pos
++ = WLAN_EID_ERP_INFO
;
1454 *pos
++ = sr
->isr_erp
;
1456 os_memcpy(pos
, (u8
*)(sr
+ 1) + sr
->isr_ssid_len
, sr
->isr_ie_len
);
1457 pos
+= sr
->isr_ie_len
;
1459 result
->ie_len
= pos
- (u8
*)(result
+ 1);
1461 tmp
= os_realloc(res
->res
,
1462 (res
->num
+ 1) * sizeof(struct wpa_scan_res
*));
1467 tmp
[res
->num
++] = result
;
1471 struct wpa_scan_results
*
1472 wpa_driver_bsd_get_scan_results2(void *priv
)
1474 struct wpa_driver_bsd_data
*drv
= priv
;
1475 struct ieee80211req_scan_result
*sr
;
1476 struct wpa_scan_results
*res
;
1478 uint8_t buf
[24*1024], *pos
;
1480 len
= get80211var(drv
, IEEE80211_IOC_SCAN_RESULTS
, buf
, 24*1024);
1484 res
= os_zalloc(sizeof(*res
));
1490 while (rest
>= sizeof(struct ieee80211req_scan_result
)) {
1491 sr
= (struct ieee80211req_scan_result
*)pos
;
1492 wpa_driver_bsd_add_scan_entry(res
, sr
);
1494 rest
-= sr
->isr_len
;
1497 wpa_printf(MSG_DEBUG
, "Received %d bytes of scan results (%lu BSSes)",
1498 len
, (unsigned long)res
->num
);
1504 wpa_driver_bsd_init(void *ctx
, const char *ifname
)
1506 #define GETPARAM(drv, param, v) \
1507 (((v) = get80211param(drv, param)) != -1)
1508 struct wpa_driver_bsd_data
*drv
;
1510 drv
= os_zalloc(sizeof(*drv
));
1514 * NB: We require the interface name be mappable to an index.
1515 * This implies we do not support having wpa_supplicant
1516 * wait for an interface to appear. This seems ok; that
1517 * doesn't belong here; it's really the job of devd.
1519 drv
->ifindex
= if_nametoindex(ifname
);
1520 if (drv
->ifindex
== 0) {
1521 wpa_printf(MSG_DEBUG
, "%s: interface %s does not exist",
1525 drv
->sock
= socket(PF_INET
, SOCK_DGRAM
, 0);
1528 drv
->route
= socket(PF_ROUTE
, SOCK_RAW
, 0);
1531 eloop_register_read_sock(drv
->route
,
1532 wpa_driver_bsd_event_receive
, ctx
, drv
);
1535 os_strlcpy(drv
->ifname
, ifname
, sizeof(drv
->ifname
));
1537 if (!GETPARAM(drv
, IEEE80211_IOC_ROAMING
, drv
->prev_roaming
)) {
1538 wpa_printf(MSG_DEBUG
, "%s: failed to get roaming state: %s",
1539 __func__
, strerror(errno
));
1542 if (!GETPARAM(drv
, IEEE80211_IOC_PRIVACY
, drv
->prev_privacy
)) {
1543 wpa_printf(MSG_DEBUG
, "%s: failed to get privacy state: %s",
1544 __func__
, strerror(errno
));
1547 if (!GETPARAM(drv
, IEEE80211_IOC_WPA
, drv
->prev_wpa
)) {
1548 wpa_printf(MSG_DEBUG
, "%s: failed to get wpa state: %s",
1549 __func__
, strerror(errno
));
1553 if (bsd_set_mediaopt(drv
->sock
, drv
->ifname
, IFM_OMASK
,
1555 wpa_printf(MSG_ERROR
, "%s: failed to set operation mode",
1559 if (set80211param(drv
, IEEE80211_IOC_ROAMING
, IEEE80211_ROAMING_MANUAL
) < 0) {
1560 wpa_printf(MSG_DEBUG
, "%s: failed to set wpa_supplicant-based "
1561 "roaming: %s", __func__
, strerror(errno
));
1565 if (set80211param(drv
, IEEE80211_IOC_WPA
, 1+2) < 0) {
1566 wpa_printf(MSG_DEBUG
, "%s: failed to enable WPA support %s",
1567 __func__
, strerror(errno
));
1571 wpa_driver_bsd_set_wpa(drv
, 1);
1583 wpa_driver_bsd_deinit(void *priv
)
1585 struct wpa_driver_bsd_data
*drv
= priv
;
1588 wpa_driver_bsd_set_wpa(drv
, 0);
1589 eloop_unregister_read_sock(drv
->route
);
1591 /* NB: mark interface down */
1592 if (getifflags(drv
, &flags
) == 0)
1593 (void) setifflags(drv
, flags
&~ IFF_UP
);
1595 wpa_driver_bsd_set_wpa_internal(drv
, drv
->prev_wpa
, drv
->prev_privacy
);
1596 if (set80211param(drv
, IEEE80211_IOC_ROAMING
, drv
->prev_roaming
) < 0)
1597 wpa_printf(MSG_DEBUG
, "%s: failed to restore roaming state",
1600 (void) close(drv
->route
); /* ioctl socket */
1601 (void) close(drv
->sock
); /* event socket */
1606 const struct wpa_driver_ops wpa_driver_bsd_ops
= {
1608 .desc
= "BSD 802.11 support",
1609 .init
= wpa_driver_bsd_init
,
1610 .deinit
= wpa_driver_bsd_deinit
,
1611 .get_bssid
= wpa_driver_bsd_get_bssid
,
1612 .get_ssid
= wpa_driver_bsd_get_ssid
,
1613 .set_key
= wpa_driver_bsd_set_key
,
1614 .set_countermeasures
= wpa_driver_bsd_set_countermeasures
,
1615 .scan2
= wpa_driver_bsd_scan
,
1616 .get_scan_results2
= wpa_driver_bsd_get_scan_results2
,
1617 .deauthenticate
= wpa_driver_bsd_deauthenticate
,
1618 .disassociate
= wpa_driver_bsd_disassociate
,
1619 .associate
= wpa_driver_bsd_associate
,
1622 #endif /* HOSTAPD */