3 * Copyright (c) 2009-2010, Atheros Communications
4 * Copyright (c) 2010-2014, Jouni Malinen <j@w1.fi>
6 * This software may be distributed under the terms of the BSD license.
7 * See README for more details.
14 #include "common/ieee802_11_common.h"
15 #include "common/ieee802_11_defs.h"
16 #include "common/wpa_ctrl.h"
17 #include "wps/wps_i.h"
19 #include "ap/hostapd.h"
20 #include "ap/ap_config.h"
21 #include "ap/sta_info.h"
22 #include "ap/ap_drv_ops.h"
23 #include "ap/wps_hostapd.h"
24 #include "ap/p2p_hostapd.h"
26 #include "eapol_supp/eapol_supp_sm.h"
27 #include "rsn_supp/wpa.h"
28 #include "wpa_supplicant_i.h"
31 #include "config_ssid.h"
36 #include "offchannel.h"
37 #include "wps_supplicant.h"
38 #include "p2p_supplicant.h"
39 #include "wifi_display.h"
43 * How many times to try to scan to find the GO before giving up on join
46 #define P2P_MAX_JOIN_SCAN_ATTEMPTS 10
48 #define P2P_AUTO_PD_SCAN_ATTEMPTS 5
50 #ifndef P2P_MAX_CLIENT_IDLE
52 * How many seconds to try to reconnect to the GO when connection in P2P client
55 #define P2P_MAX_CLIENT_IDLE 10
56 #endif /* P2P_MAX_CLIENT_IDLE */
58 #ifndef P2P_MAX_INITIAL_CONN_WAIT
60 * How many seconds to wait for initial 4-way handshake to get completed after
61 * WPS provisioning step or after the re-invocation of a persistent group on a
64 #define P2P_MAX_INITIAL_CONN_WAIT 10
65 #endif /* P2P_MAX_INITIAL_CONN_WAIT */
67 #ifndef P2P_MAX_INITIAL_CONN_WAIT_GO
69 * How many seconds to wait for initial 4-way handshake to get completed after
70 * WPS provisioning step on the GO. This controls the extra time the P2P
71 * operation is considered to be in progress (e.g., to delay other scans) after
72 * WPS provisioning has been completed on the GO during group formation.
74 #define P2P_MAX_INITIAL_CONN_WAIT_GO 10
75 #endif /* P2P_MAX_INITIAL_CONN_WAIT_GO */
77 #ifndef P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE
79 * How many seconds to wait for initial 4-way handshake to get completed after
80 * re-invocation of a persistent group on the GO when the client is expected
81 * to connect automatically (no user interaction).
83 #define P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE 15
84 #endif /* P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE */
86 #define P2P_MGMT_DEVICE_PREFIX "p2p-dev-"
88 enum p2p_group_removal_reason
{
89 P2P_GROUP_REMOVAL_UNKNOWN
,
90 P2P_GROUP_REMOVAL_SILENT
,
91 P2P_GROUP_REMOVAL_FORMATION_FAILED
,
92 P2P_GROUP_REMOVAL_REQUESTED
,
93 P2P_GROUP_REMOVAL_IDLE_TIMEOUT
,
94 P2P_GROUP_REMOVAL_UNAVAILABLE
,
95 P2P_GROUP_REMOVAL_GO_ENDING_SESSION
,
96 P2P_GROUP_REMOVAL_PSK_FAILURE
,
97 P2P_GROUP_REMOVAL_FREQ_CONFLICT
101 static void wpas_p2p_long_listen_timeout(void *eloop_ctx
, void *timeout_ctx
);
102 static struct wpa_supplicant
*
103 wpas_p2p_get_group_iface(struct wpa_supplicant
*wpa_s
, int addr_allocated
,
105 static int wpas_p2p_join_start(struct wpa_supplicant
*wpa_s
, int freq
,
106 const u8
*ssid
, size_t ssid_len
);
107 static void wpas_p2p_join_scan_req(struct wpa_supplicant
*wpa_s
, int freq
,
108 const u8
*ssid
, size_t ssid_len
);
109 static void wpas_p2p_join_scan(void *eloop_ctx
, void *timeout_ctx
);
110 static int wpas_p2p_join(struct wpa_supplicant
*wpa_s
, const u8
*iface_addr
,
111 const u8
*dev_addr
, enum p2p_wps_method wps_method
,
112 int auto_join
, int freq
,
113 const u8
*ssid
, size_t ssid_len
);
114 static int wpas_p2p_create_iface(struct wpa_supplicant
*wpa_s
);
115 static void wpas_p2p_cross_connect_setup(struct wpa_supplicant
*wpa_s
);
116 static void wpas_p2p_group_idle_timeout(void *eloop_ctx
, void *timeout_ctx
);
117 static void wpas_p2p_set_group_idle_timeout(struct wpa_supplicant
*wpa_s
);
118 static void wpas_p2p_group_formation_timeout(void *eloop_ctx
,
120 static void wpas_p2p_group_freq_conflict(void *eloop_ctx
, void *timeout_ctx
);
121 static int wpas_p2p_fallback_to_go_neg(struct wpa_supplicant
*wpa_s
,
123 static void wpas_p2p_stop_find_oper(struct wpa_supplicant
*wpa_s
);
124 static void wpas_stop_listen(void *ctx
);
125 static void wpas_p2p_psk_failure_removal(void *eloop_ctx
, void *timeout_ctx
);
126 static void wpas_p2p_group_deinit(struct wpa_supplicant
*wpa_s
);
127 static int wpas_p2p_add_group_interface(struct wpa_supplicant
*wpa_s
,
128 enum wpa_driver_if_type type
);
132 * Get the number of concurrent channels that the HW can operate, but that are
133 * currently not in use by any of the wpa_supplicant interfaces.
135 static int wpas_p2p_num_unused_channels(struct wpa_supplicant
*wpa_s
)
140 freqs
= os_calloc(wpa_s
->num_multichan_concurrent
, sizeof(int));
144 num
= get_shared_radio_freqs(wpa_s
, freqs
,
145 wpa_s
->num_multichan_concurrent
);
148 unused
= wpa_s
->num_multichan_concurrent
- num
;
149 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: num_unused_channels: %d", unused
);
155 * Get the frequencies that are currently in use by one or more of the virtual
156 * interfaces, and that are also valid for P2P operation.
159 wpas_p2p_valid_oper_freqs(struct wpa_supplicant
*wpa_s
,
160 struct wpa_used_freq_data
*p2p_freqs
,
163 struct wpa_used_freq_data
*freqs
;
164 unsigned int num
, i
, j
;
166 freqs
= os_calloc(wpa_s
->num_multichan_concurrent
,
167 sizeof(struct wpa_used_freq_data
));
171 num
= get_shared_radio_freqs_data(wpa_s
, freqs
,
172 wpa_s
->num_multichan_concurrent
);
174 os_memset(p2p_freqs
, 0, sizeof(struct wpa_used_freq_data
) * len
);
176 for (i
= 0, j
= 0; i
< num
&& j
< len
; i
++) {
177 if (p2p_supported_freq(wpa_s
->global
->p2p
, freqs
[i
].freq
))
178 p2p_freqs
[j
++] = freqs
[i
];
183 dump_freq_data(wpa_s
, "valid for P2P", p2p_freqs
, j
);
189 static void wpas_p2p_set_own_freq_preference(struct wpa_supplicant
*wpa_s
,
192 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
194 if (wpa_s
->parent
->conf
->p2p_ignore_shared_freq
&&
195 freq
> 0 && wpa_s
->num_multichan_concurrent
> 1 &&
196 wpas_p2p_num_unused_channels(wpa_s
) > 0) {
197 wpa_printf(MSG_DEBUG
, "P2P: Ignore own channel preference %d MHz due to p2p_ignore_shared_freq=1 configuration",
201 p2p_set_own_freq_preference(wpa_s
->global
->p2p
, freq
);
205 static void wpas_p2p_scan_res_handler(struct wpa_supplicant
*wpa_s
,
206 struct wpa_scan_results
*scan_res
)
210 if (wpa_s
->p2p_scan_work
) {
211 struct wpa_radio_work
*work
= wpa_s
->p2p_scan_work
;
212 wpa_s
->p2p_scan_work
= NULL
;
213 radio_work_done(work
);
216 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
219 wpa_printf(MSG_DEBUG
, "P2P: Scan results received (%d BSS)",
220 (int) scan_res
->num
);
222 for (i
= 0; i
< scan_res
->num
; i
++) {
223 struct wpa_scan_res
*bss
= scan_res
->res
[i
];
224 struct os_reltime time_tmp_age
, entry_ts
;
228 time_tmp_age
.sec
= bss
->age
/ 1000;
229 time_tmp_age
.usec
= (bss
->age
% 1000) * 1000;
230 os_reltime_sub(&scan_res
->fetch_time
, &time_tmp_age
, &entry_ts
);
232 ies
= (const u8
*) (bss
+ 1);
233 ies_len
= bss
->ie_len
;
234 if (bss
->beacon_ie_len
> 0 &&
235 !wpa_scan_get_vendor_ie(bss
, P2P_IE_VENDOR_TYPE
) &&
236 wpa_scan_get_vendor_ie_beacon(bss
, P2P_IE_VENDOR_TYPE
)) {
237 wpa_printf(MSG_DEBUG
, "P2P: Use P2P IE(s) from Beacon frame since no P2P IE(s) in Probe Response frames received for "
238 MACSTR
, MAC2STR(bss
->bssid
));
240 ies_len
= bss
->beacon_ie_len
;
244 if (p2p_scan_res_handler(wpa_s
->global
->p2p
, bss
->bssid
,
245 bss
->freq
, &entry_ts
, bss
->level
,
250 p2p_scan_res_handled(wpa_s
->global
->p2p
);
254 static void wpas_p2p_trigger_scan_cb(struct wpa_radio_work
*work
, int deinit
)
256 struct wpa_supplicant
*wpa_s
= work
->wpa_s
;
257 struct wpa_driver_scan_params
*params
= work
->ctx
;
261 if (!work
->started
) {
262 wpa_scan_free_params(params
);
266 wpa_s
->p2p_scan_work
= NULL
;
270 ret
= wpa_drv_scan(wpa_s
, params
);
271 wpa_scan_free_params(params
);
274 radio_work_done(work
);
275 p2p_notify_scan_trigger_status(wpa_s
->global
->p2p
, ret
);
279 p2p_notify_scan_trigger_status(wpa_s
->global
->p2p
, ret
);
280 os_get_reltime(&wpa_s
->scan_trigger_time
);
281 wpa_s
->scan_res_handler
= wpas_p2p_scan_res_handler
;
282 wpa_s
->own_scan_requested
= 1;
283 wpa_s
->p2p_scan_work
= work
;
287 static int wpas_p2p_search_social_channel(struct wpa_supplicant
*wpa_s
,
290 if (wpa_s
->global
->p2p_24ghz_social_channels
&&
291 (freq
== 2412 || freq
== 2437 || freq
== 2462)) {
293 * Search all social channels regardless of whether these have
294 * been disabled for P2P operating channel use to avoid missing
299 return p2p_supported_freq(wpa_s
->global
->p2p
, freq
);
303 static int wpas_p2p_scan(void *ctx
, enum p2p_scan_type type
, int freq
,
304 unsigned int num_req_dev_types
,
305 const u8
*req_dev_types
, const u8
*dev_id
, u16 pw_id
)
307 struct wpa_supplicant
*wpa_s
= ctx
;
308 struct wpa_driver_scan_params
*params
= NULL
;
309 struct wpabuf
*wps_ie
, *ies
;
310 unsigned int num_channels
= 0;
311 int social_channels_freq
[] = { 2412, 2437, 2462, 60480 };
315 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
318 if (wpa_s
->p2p_scan_work
) {
319 wpa_dbg(wpa_s
, MSG_INFO
, "P2P: Reject scan trigger since one is already pending");
323 params
= os_zalloc(sizeof(*params
));
327 /* P2P Wildcard SSID */
328 params
->num_ssids
= 1;
329 n
= os_malloc(P2P_WILDCARD_SSID_LEN
);
332 os_memcpy(n
, P2P_WILDCARD_SSID
, P2P_WILDCARD_SSID_LEN
);
333 params
->ssids
[0].ssid
= n
;
334 params
->ssids
[0].ssid_len
= P2P_WILDCARD_SSID_LEN
;
336 wpa_s
->wps
->dev
.p2p
= 1;
337 wps_ie
= wps_build_probe_req_ie(pw_id
, &wpa_s
->wps
->dev
,
338 wpa_s
->wps
->uuid
, WPS_REQ_ENROLLEE
,
339 num_req_dev_types
, req_dev_types
);
343 ielen
= p2p_scan_ie_buf_len(wpa_s
->global
->p2p
);
344 ies
= wpabuf_alloc(wpabuf_len(wps_ie
) + ielen
);
349 wpabuf_put_buf(ies
, wps_ie
);
352 p2p_scan_ie(wpa_s
->global
->p2p
, ies
, dev_id
);
354 params
->p2p_probe
= 1;
355 n
= os_malloc(wpabuf_len(ies
));
360 os_memcpy(n
, wpabuf_head(ies
), wpabuf_len(ies
));
361 params
->extra_ies
= n
;
362 params
->extra_ies_len
= wpabuf_len(ies
);
366 case P2P_SCAN_SOCIAL
:
367 params
->freqs
= os_calloc(ARRAY_SIZE(social_channels_freq
) + 1,
369 if (params
->freqs
== NULL
)
371 for (i
= 0; i
< ARRAY_SIZE(social_channels_freq
); i
++) {
372 if (wpas_p2p_search_social_channel(
373 wpa_s
, social_channels_freq
[i
]))
374 params
->freqs
[num_channels
++] =
375 social_channels_freq
[i
];
377 params
->freqs
[num_channels
++] = 0;
381 case P2P_SCAN_SPECIFIC
:
382 params
->freqs
= os_calloc(2, sizeof(int));
383 if (params
->freqs
== NULL
)
385 params
->freqs
[0] = freq
;
386 params
->freqs
[1] = 0;
388 case P2P_SCAN_SOCIAL_PLUS_ONE
:
389 params
->freqs
= os_calloc(ARRAY_SIZE(social_channels_freq
) + 2,
391 if (params
->freqs
== NULL
)
393 for (i
= 0; i
< ARRAY_SIZE(social_channels_freq
); i
++) {
394 if (wpas_p2p_search_social_channel(
395 wpa_s
, social_channels_freq
[i
]))
396 params
->freqs
[num_channels
++] =
397 social_channels_freq
[i
];
399 if (p2p_supported_freq(wpa_s
->global
->p2p
, freq
))
400 params
->freqs
[num_channels
++] = freq
;
401 params
->freqs
[num_channels
++] = 0;
405 radio_remove_works(wpa_s
, "p2p-scan", 0);
406 if (radio_add_work(wpa_s
, 0, "p2p-scan", 0, wpas_p2p_trigger_scan_cb
,
412 wpa_scan_free_params(params
);
417 static enum wpa_driver_if_type
wpas_p2p_if_type(int p2p_group_interface
)
419 switch (p2p_group_interface
) {
420 case P2P_GROUP_INTERFACE_PENDING
:
421 return WPA_IF_P2P_GROUP
;
422 case P2P_GROUP_INTERFACE_GO
:
423 return WPA_IF_P2P_GO
;
424 case P2P_GROUP_INTERFACE_CLIENT
:
425 return WPA_IF_P2P_CLIENT
;
428 return WPA_IF_P2P_GROUP
;
432 static struct wpa_supplicant
* wpas_get_p2p_group(struct wpa_supplicant
*wpa_s
,
434 size_t ssid_len
, int *go
)
438 for (wpa_s
= wpa_s
->global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
439 for (s
= wpa_s
->conf
->ssid
; s
; s
= s
->next
) {
440 if (s
->disabled
!= 0 || !s
->p2p_group
||
441 s
->ssid_len
!= ssid_len
||
442 os_memcmp(ssid
, s
->ssid
, ssid_len
) != 0)
444 if (s
->mode
== WPAS_MODE_P2P_GO
&&
445 s
!= wpa_s
->current_ssid
)
448 *go
= s
->mode
== WPAS_MODE_P2P_GO
;
457 static void run_wpas_p2p_disconnect(void *eloop_ctx
, void *timeout_ctx
)
459 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
460 wpa_printf(MSG_DEBUG
,
461 "P2P: Complete previously requested removal of %s",
463 wpas_p2p_disconnect(wpa_s
);
467 static int wpas_p2p_disconnect_safely(struct wpa_supplicant
*wpa_s
,
468 struct wpa_supplicant
*calling_wpa_s
)
470 if (calling_wpa_s
== wpa_s
&& wpa_s
&&
471 wpa_s
->p2p_group_interface
!= NOT_P2P_GROUP_INTERFACE
) {
473 * The calling wpa_s instance is going to be removed. Do that
474 * from an eloop callback to keep the instance available until
475 * the caller has returned. This my be needed, e.g., to provide
476 * control interface responses on the per-interface socket.
478 if (eloop_register_timeout(0, 0, run_wpas_p2p_disconnect
,
484 return wpas_p2p_disconnect(wpa_s
);
488 /* Determine total number of clients in active groups where we are the GO */
489 static unsigned int p2p_group_go_member_count(struct wpa_supplicant
*wpa_s
)
491 unsigned int count
= 0;
494 for (wpa_s
= wpa_s
->global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
495 for (s
= wpa_s
->conf
->ssid
; s
; s
= s
->next
) {
496 wpa_printf(MSG_DEBUG
,
497 "P2P: sup:%p ssid:%p disabled:%d p2p:%d mode:%d",
498 wpa_s
, s
, s
->disabled
, s
->p2p_group
,
500 if (!s
->disabled
&& s
->p2p_group
&&
501 s
->mode
== WPAS_MODE_P2P_GO
) {
502 count
+= p2p_get_group_num_members(
512 /* Find an interface for a P2P group where we are the GO */
513 static struct wpa_supplicant
*
514 wpas_p2p_get_go_group(struct wpa_supplicant
*wpa_s
)
516 struct wpa_supplicant
*save
= NULL
;
522 for (wpa_s
= wpa_s
->global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
523 for (s
= wpa_s
->conf
->ssid
; s
; s
= s
->next
) {
524 if (s
->disabled
|| !s
->p2p_group
||
525 s
->mode
!= WPAS_MODE_P2P_GO
)
528 /* Prefer a group with connected clients */
529 if (p2p_get_group_num_members(wpa_s
->p2p_group
))
535 /* No group with connected clients, so pick the one without (if any) */
540 /* Find an active P2P group where we are the GO */
541 static struct wpa_ssid
* wpas_p2p_group_go_ssid(struct wpa_supplicant
*wpa_s
,
544 struct wpa_ssid
*s
, *empty
= NULL
;
549 for (wpa_s
= wpa_s
->global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
550 for (s
= wpa_s
->conf
->ssid
; s
; s
= s
->next
) {
551 if (s
->disabled
|| !s
->p2p_group
||
552 s
->mode
!= WPAS_MODE_P2P_GO
)
555 os_memcpy(bssid
, wpa_s
->own_addr
, ETH_ALEN
);
556 if (p2p_get_group_num_members(wpa_s
->p2p_group
))
566 /* Find a persistent group where we are the GO */
567 static struct wpa_ssid
*
568 wpas_p2p_get_persistent_go(struct wpa_supplicant
*wpa_s
)
572 for (s
= wpa_s
->conf
->ssid
; s
; s
= s
->next
) {
573 if (s
->disabled
== 2 && s
->mode
== WPAS_MODE_P2P_GO
)
581 static u8
p2ps_group_capability(void *ctx
, u8 incoming
, u8 role
)
583 struct wpa_supplicant
*wpa_s
= ctx
, *tmp_wpa_s
;
585 u8 conncap
= P2PS_SETUP_NONE
;
586 unsigned int owned_members
= 0;
587 unsigned int owner
= 0;
588 unsigned int client
= 0;
589 struct wpa_supplicant
*go_wpa_s
;
590 struct wpa_ssid
*persistent_go
;
591 int p2p_no_group_iface
;
593 wpa_printf(MSG_DEBUG
, "P2P: Conncap - in:%d role:%d", incoming
, role
);
596 * For non-concurrent capable devices:
597 * If persistent_go, then no new.
598 * If GO, then no client.
599 * If client, then no GO.
601 go_wpa_s
= wpas_p2p_get_go_group(wpa_s
);
602 persistent_go
= wpas_p2p_get_persistent_go(wpa_s
);
603 p2p_no_group_iface
= wpa_s
->conf
->p2p_no_group_iface
;
605 wpa_printf(MSG_DEBUG
, "P2P: GO(iface)=%p persistent(ssid)=%p",
606 go_wpa_s
, persistent_go
);
608 for (tmp_wpa_s
= wpa_s
->global
->ifaces
; tmp_wpa_s
;
609 tmp_wpa_s
= tmp_wpa_s
->next
) {
610 for (s
= tmp_wpa_s
->conf
->ssid
; s
; s
= s
->next
) {
611 wpa_printf(MSG_DEBUG
,
612 "P2P: sup:%p ssid:%p disabled:%d p2p:%d mode:%d",
613 tmp_wpa_s
, s
, s
->disabled
,
614 s
->p2p_group
, s
->mode
);
615 if (!s
->disabled
&& s
->p2p_group
) {
616 if (s
->mode
== WPAS_MODE_P2P_GO
) {
618 p2p_get_group_num_members(
619 tmp_wpa_s
->p2p_group
);
627 /* If not concurrent, restrict our choices */
628 if (p2p_no_group_iface
) {
629 wpa_printf(MSG_DEBUG
, "P2P: p2p_no_group_iface");
632 return P2PS_SETUP_NONE
;
635 if (role
== P2PS_SETUP_CLIENT
||
636 incoming
== P2PS_SETUP_GROUP_OWNER
||
637 p2p_client_limit_reached(go_wpa_s
->p2p_group
))
638 return P2PS_SETUP_NONE
;
640 return P2PS_SETUP_GROUP_OWNER
;
644 if (role
== P2PS_SETUP_NONE
|| role
== P2PS_SETUP_NEW
) {
646 return P2PS_SETUP_GROUP_OWNER
|
648 if (incoming
== P2PS_SETUP_NEW
) {
651 if (os_get_random(&r
, sizeof(r
)) < 0 ||
653 return P2PS_SETUP_CLIENT
;
654 return P2PS_SETUP_GROUP_OWNER
;
660 /* If a required role has been specified, handle it here */
661 if (role
&& role
!= P2PS_SETUP_NEW
) {
663 case P2PS_SETUP_NONE
:
665 case P2PS_SETUP_GROUP_OWNER
| P2PS_SETUP_CLIENT
:
666 case P2PS_SETUP_GROUP_OWNER
| P2PS_SETUP_NEW
:
670 case P2PS_SETUP_GROUP_OWNER
:
672 * Must be a complimentary role - cannot be a client to
673 * more than one peer.
675 if (incoming
== role
|| client
)
676 return P2PS_SETUP_NONE
;
678 return P2PS_SETUP_CLIENT
;
680 case P2PS_SETUP_CLIENT
:
681 /* Must be a complimentary role */
682 if (incoming
!= role
) {
683 conncap
= P2PS_SETUP_GROUP_OWNER
;
688 return P2PS_SETUP_NONE
;
693 * For now, we only will support ownership of one group, and being a
694 * client of one group. Therefore, if we have either an existing GO
695 * group, or an existing client group, we will not do a new GO
696 * negotiation, but rather try to re-use the existing groups.
699 case P2PS_SETUP_NONE
:
702 conncap
= P2PS_SETUP_GROUP_OWNER
;
703 else if (!owned_members
)
704 conncap
= P2PS_SETUP_NEW
;
705 else if (incoming
== P2PS_SETUP_NONE
)
706 conncap
= P2PS_SETUP_GROUP_OWNER
| P2PS_SETUP_CLIENT
;
708 conncap
= P2PS_SETUP_CLIENT
;
711 case P2PS_SETUP_CLIENT
:
712 conncap
= P2PS_SETUP_GROUP_OWNER
;
715 case P2PS_SETUP_GROUP_OWNER
:
717 conncap
= P2PS_SETUP_CLIENT
;
720 case P2PS_SETUP_GROUP_OWNER
| P2PS_SETUP_NEW
:
721 case P2PS_SETUP_GROUP_OWNER
| P2PS_SETUP_CLIENT
:
723 conncap
= P2PS_SETUP_GROUP_OWNER
;
727 if (os_get_random(&r
, sizeof(r
)) < 0 ||
729 conncap
= P2PS_SETUP_CLIENT
;
731 conncap
= P2PS_SETUP_GROUP_OWNER
;
736 return P2PS_SETUP_NONE
;
740 if ((conncap
& P2PS_SETUP_GROUP_OWNER
) ||
741 (!incoming
&& (conncap
& P2PS_SETUP_NEW
))) {
742 if (go_wpa_s
&& p2p_client_limit_reached(go_wpa_s
->p2p_group
))
743 conncap
&= ~P2PS_SETUP_GROUP_OWNER
;
744 wpa_printf(MSG_DEBUG
, "P2P: GOs:%d members:%d conncap:%d",
745 owner
, owned_members
, conncap
);
747 s
= wpas_p2p_get_persistent_go(wpa_s
);
749 if (!s
&& !owner
&& p2p_no_group_iface
) {
750 p2p_set_intended_addr(wpa_s
->global
->p2p
,
752 } else if (!s
&& !owner
) {
753 if (wpas_p2p_add_group_interface(wpa_s
,
754 WPA_IF_P2P_GO
) < 0) {
755 wpa_printf(MSG_ERROR
,
756 "P2P: Failed to allocate a new interface for the group");
757 return P2PS_SETUP_NONE
;
759 wpa_s
->global
->pending_group_iface_for_p2ps
= 1;
760 p2p_set_intended_addr(wpa_s
->global
->p2p
,
761 wpa_s
->pending_interface_addr
);
769 static int wpas_p2p_group_delete(struct wpa_supplicant
*wpa_s
,
770 enum p2p_group_removal_reason removal_reason
)
772 struct wpa_ssid
*ssid
;
776 ssid
= wpa_s
->current_ssid
;
779 * The current SSID was not known, but there may still be a
780 * pending P2P group interface waiting for provisioning or a
781 * P2P group that is trying to reconnect.
783 ssid
= wpa_s
->conf
->ssid
;
785 if (ssid
->p2p_group
&& ssid
->disabled
!= 2)
790 wpa_s
->p2p_group_interface
== NOT_P2P_GROUP_INTERFACE
)
792 wpa_printf(MSG_ERROR
, "P2P: P2P group interface "
797 if (wpa_s
->p2p_group_interface
== P2P_GROUP_INTERFACE_GO
)
799 else if (wpa_s
->p2p_group_interface
== P2P_GROUP_INTERFACE_CLIENT
||
800 (ssid
&& ssid
->mode
== WPAS_MODE_INFRA
)) {
801 wpa_s
->reassociate
= 0;
802 wpa_s
->disconnected
= 1;
807 if (removal_reason
!= P2P_GROUP_REMOVAL_SILENT
&& ssid
)
808 wpas_notify_p2p_group_removed(wpa_s
, ssid
, gtype
);
810 if (os_strcmp(gtype
, "client") == 0) {
811 wpa_supplicant_deauthenticate(wpa_s
, WLAN_REASON_DEAUTH_LEAVING
);
812 if (eloop_is_timeout_registered(wpas_p2p_psk_failure_removal
,
814 wpa_printf(MSG_DEBUG
,
815 "P2P: PSK failure removal was scheduled, so use PSK failure as reason for group removal");
816 removal_reason
= P2P_GROUP_REMOVAL_PSK_FAILURE
;
817 eloop_cancel_timeout(wpas_p2p_psk_failure_removal
,
822 if (wpa_s
->cross_connect_in_use
) {
823 wpa_s
->cross_connect_in_use
= 0;
824 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
825 P2P_EVENT_CROSS_CONNECT_DISABLE
"%s %s",
826 wpa_s
->ifname
, wpa_s
->cross_connect_uplink
);
828 switch (removal_reason
) {
829 case P2P_GROUP_REMOVAL_REQUESTED
:
830 reason
= " reason=REQUESTED";
832 case P2P_GROUP_REMOVAL_FORMATION_FAILED
:
833 reason
= " reason=FORMATION_FAILED";
835 case P2P_GROUP_REMOVAL_IDLE_TIMEOUT
:
836 reason
= " reason=IDLE";
838 case P2P_GROUP_REMOVAL_UNAVAILABLE
:
839 reason
= " reason=UNAVAILABLE";
841 case P2P_GROUP_REMOVAL_GO_ENDING_SESSION
:
842 reason
= " reason=GO_ENDING_SESSION";
844 case P2P_GROUP_REMOVAL_PSK_FAILURE
:
845 reason
= " reason=PSK_FAILURE";
847 case P2P_GROUP_REMOVAL_FREQ_CONFLICT
:
848 reason
= " reason=FREQ_CONFLICT";
854 if (removal_reason
!= P2P_GROUP_REMOVAL_SILENT
) {
855 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
856 P2P_EVENT_GROUP_REMOVED
"%s %s%s",
857 wpa_s
->ifname
, gtype
, reason
);
860 if (eloop_cancel_timeout(wpas_p2p_group_freq_conflict
, wpa_s
, NULL
) > 0)
861 wpa_printf(MSG_DEBUG
, "P2P: Cancelled P2P group freq_conflict timeout");
862 if (eloop_cancel_timeout(wpas_p2p_group_idle_timeout
, wpa_s
, NULL
) > 0)
863 wpa_printf(MSG_DEBUG
, "P2P: Cancelled P2P group idle timeout");
864 if (eloop_cancel_timeout(wpas_p2p_group_formation_timeout
,
865 wpa_s
->parent
, NULL
) > 0) {
866 wpa_printf(MSG_DEBUG
, "P2P: Cancelled P2P group formation "
868 wpa_s
->p2p_in_provisioning
= 0;
871 wpa_s
->p2p_in_invitation
= 0;
874 * Make sure wait for the first client does not remain active after the
875 * group has been removed.
877 wpa_s
->global
->p2p_go_wait_client
.sec
= 0;
879 if (wpa_s
->p2p_group_interface
!= NOT_P2P_GROUP_INTERFACE
) {
880 struct wpa_global
*global
;
882 enum wpa_driver_if_type type
;
883 wpa_printf(MSG_DEBUG
, "P2P: Remove group interface %s",
885 global
= wpa_s
->global
;
886 ifname
= os_strdup(wpa_s
->ifname
);
887 type
= wpas_p2p_if_type(wpa_s
->p2p_group_interface
);
888 eloop_cancel_timeout(run_wpas_p2p_disconnect
, wpa_s
, NULL
);
889 wpa_supplicant_remove_iface(wpa_s
->global
, wpa_s
, 0);
890 wpa_s
= global
->ifaces
;
892 wpa_drv_if_remove(wpa_s
, type
, ifname
);
897 if (!wpa_s
->p2p_go_group_formation_completed
) {
898 wpa_s
->global
->p2p_group_formation
= NULL
;
899 wpa_s
->p2p_in_provisioning
= 0;
902 wpa_s
->show_group_started
= 0;
903 os_free(wpa_s
->go_params
);
904 wpa_s
->go_params
= NULL
;
906 os_free(wpa_s
->p2p_group_common_freqs
);
907 wpa_s
->p2p_group_common_freqs
= NULL
;
908 wpa_s
->p2p_group_common_freqs_num
= 0;
910 wpa_s
->waiting_presence_resp
= 0;
912 wpa_printf(MSG_DEBUG
, "P2P: Remove temporary group network");
913 if (ssid
&& (ssid
->p2p_group
||
914 ssid
->mode
== WPAS_MODE_P2P_GROUP_FORMATION
||
915 (ssid
->key_mgmt
& WPA_KEY_MGMT_WPS
))) {
917 if (ssid
== wpa_s
->current_ssid
) {
918 wpa_sm_set_config(wpa_s
->wpa
, NULL
);
919 eapol_sm_notify_config(wpa_s
->eapol
, NULL
, NULL
);
920 wpa_s
->current_ssid
= NULL
;
923 * Networks objects created during any P2P activities are not
924 * exposed out as they might/will confuse certain non-P2P aware
925 * applications since these network objects won't behave like
928 * Likewise, we don't send out network removed signals for such
931 wpa_config_remove_network(wpa_s
->conf
, id
);
932 wpa_supplicant_clear_status(wpa_s
);
933 wpa_supplicant_cancel_sched_scan(wpa_s
);
935 wpa_printf(MSG_DEBUG
, "P2P: Temporary group network not "
939 wpa_supplicant_ap_deinit(wpa_s
);
941 wpa_drv_deinit_p2p_cli(wpa_s
);
947 static int wpas_p2p_persistent_group(struct wpa_supplicant
*wpa_s
,
949 const u8
*ssid
, size_t ssid_len
)
957 if (wpa_s
->go_params
)
958 bssid
= wpa_s
->go_params
->peer_interface_addr
;
960 bssid
= wpa_s
->bssid
;
962 bss
= wpa_bss_get(wpa_s
, bssid
, ssid
, ssid_len
);
963 if (bss
== NULL
&& wpa_s
->go_params
&&
964 !is_zero_ether_addr(wpa_s
->go_params
->peer_device_addr
))
965 bss
= wpa_bss_get_p2p_dev_addr(
966 wpa_s
, wpa_s
->go_params
->peer_device_addr
);
968 u8 iface_addr
[ETH_ALEN
];
969 if (p2p_get_interface_addr(wpa_s
->global
->p2p
, bssid
,
971 bss
= wpa_bss_get(wpa_s
, iface_addr
, ssid
, ssid_len
);
974 wpa_printf(MSG_DEBUG
, "P2P: Could not figure out whether "
975 "group is persistent - BSS " MACSTR
" not found",
980 p2p
= wpa_bss_get_vendor_ie_multi(bss
, P2P_IE_VENDOR_TYPE
);
982 p2p
= wpa_bss_get_vendor_ie_multi_beacon(bss
,
985 wpa_printf(MSG_DEBUG
, "P2P: Could not figure out whether "
986 "group is persistent - BSS " MACSTR
987 " did not include P2P IE", MAC2STR(bssid
));
988 wpa_hexdump(MSG_DEBUG
, "P2P: Probe Response IEs",
989 (u8
*) (bss
+ 1), bss
->ie_len
);
990 wpa_hexdump(MSG_DEBUG
, "P2P: Beacon IEs",
991 ((u8
*) bss
+ 1) + bss
->ie_len
,
996 group_capab
= p2p_get_group_capab(p2p
);
997 addr
= p2p_get_go_dev_addr(p2p
);
998 wpa_printf(MSG_DEBUG
, "P2P: Checking whether group is persistent: "
999 "group_capab=0x%x", group_capab
);
1001 os_memcpy(go_dev_addr
, addr
, ETH_ALEN
);
1002 wpa_printf(MSG_DEBUG
, "P2P: GO Device Address " MACSTR
,
1005 os_memset(go_dev_addr
, 0, ETH_ALEN
);
1008 wpa_printf(MSG_DEBUG
, "P2P: BSS " MACSTR
" group_capab=0x%x "
1009 "go_dev_addr=" MACSTR
,
1010 MAC2STR(bssid
), group_capab
, MAC2STR(go_dev_addr
));
1012 return group_capab
& P2P_GROUP_CAPAB_PERSISTENT_GROUP
;
1016 static int wpas_p2p_store_persistent_group(struct wpa_supplicant
*wpa_s
,
1017 struct wpa_ssid
*ssid
,
1018 const u8
*go_dev_addr
)
1023 wpa_printf(MSG_DEBUG
, "P2P: Storing credentials for a persistent "
1024 "group (GO Dev Addr " MACSTR
")", MAC2STR(go_dev_addr
));
1025 for (s
= wpa_s
->conf
->ssid
; s
; s
= s
->next
) {
1026 if (s
->disabled
== 2 &&
1027 os_memcmp(go_dev_addr
, s
->bssid
, ETH_ALEN
) == 0 &&
1028 s
->ssid_len
== ssid
->ssid_len
&&
1029 os_memcmp(ssid
->ssid
, s
->ssid
, ssid
->ssid_len
) == 0)
1034 wpa_printf(MSG_DEBUG
, "P2P: Update existing persistent group "
1036 if (ssid
->passphrase
&& !s
->passphrase
)
1038 else if (ssid
->passphrase
&& s
->passphrase
&&
1039 os_strcmp(ssid
->passphrase
, s
->passphrase
) != 0)
1042 wpa_printf(MSG_DEBUG
, "P2P: Create a new persistent group "
1045 s
= wpa_config_add_network(wpa_s
->conf
);
1050 * Instead of network_added we emit persistent_group_added
1051 * notification. Also to keep the defense checks in
1052 * persistent_group obj registration method, we set the
1053 * relevant flags in s to designate it as a persistent group.
1056 s
->p2p_persistent_group
= 1;
1057 wpas_notify_persistent_group_added(wpa_s
, s
);
1058 wpa_config_set_network_defaults(s
);
1062 s
->p2p_persistent_group
= 1;
1065 os_memcpy(s
->bssid
, go_dev_addr
, ETH_ALEN
);
1066 s
->mode
= ssid
->mode
;
1067 s
->auth_alg
= WPA_AUTH_ALG_OPEN
;
1068 s
->key_mgmt
= WPA_KEY_MGMT_PSK
;
1069 s
->proto
= WPA_PROTO_RSN
;
1070 s
->pairwise_cipher
= WPA_CIPHER_CCMP
;
1072 if (ssid
->passphrase
) {
1073 os_free(s
->passphrase
);
1074 s
->passphrase
= os_strdup(ssid
->passphrase
);
1076 if (ssid
->psk_set
) {
1078 os_memcpy(s
->psk
, ssid
->psk
, 32);
1080 if (s
->passphrase
&& !s
->psk_set
)
1081 wpa_config_update_psk(s
);
1082 if (s
->ssid
== NULL
|| s
->ssid_len
< ssid
->ssid_len
) {
1084 s
->ssid
= os_malloc(ssid
->ssid_len
);
1087 s
->ssid_len
= ssid
->ssid_len
;
1088 os_memcpy(s
->ssid
, ssid
->ssid
, s
->ssid_len
);
1090 if (ssid
->mode
== WPAS_MODE_P2P_GO
&& wpa_s
->global
->add_psk
) {
1091 dl_list_add(&s
->psk_list
, &wpa_s
->global
->add_psk
->list
);
1092 wpa_s
->global
->add_psk
= NULL
;
1096 if (changed
&& wpa_s
->conf
->update_config
&&
1097 wpa_config_write(wpa_s
->confname
, wpa_s
->conf
)) {
1098 wpa_printf(MSG_DEBUG
, "P2P: Failed to update configuration");
1105 static void wpas_p2p_add_persistent_group_client(struct wpa_supplicant
*wpa_s
,
1108 struct wpa_ssid
*ssid
, *s
;
1113 ssid
= wpa_s
->current_ssid
;
1114 if (ssid
== NULL
|| ssid
->mode
!= WPAS_MODE_P2P_GO
||
1115 !ssid
->p2p_persistent_group
)
1118 for (s
= wpa_s
->parent
->conf
->ssid
; s
; s
= s
->next
) {
1119 if (s
->disabled
!= 2 || s
->mode
!= WPAS_MODE_P2P_GO
)
1122 if (s
->ssid_len
== ssid
->ssid_len
&&
1123 os_memcmp(s
->ssid
, ssid
->ssid
, s
->ssid_len
) == 0)
1130 for (i
= 0; s
->p2p_client_list
&& i
< s
->num_p2p_clients
; i
++) {
1131 if (os_memcmp(s
->p2p_client_list
+ i
* 2 * ETH_ALEN
, addr
,
1135 if (i
== s
->num_p2p_clients
- 1)
1136 return; /* already the most recent entry */
1138 /* move the entry to mark it most recent */
1139 os_memmove(s
->p2p_client_list
+ i
* 2 * ETH_ALEN
,
1140 s
->p2p_client_list
+ (i
+ 1) * 2 * ETH_ALEN
,
1141 (s
->num_p2p_clients
- i
- 1) * 2 * ETH_ALEN
);
1142 os_memcpy(s
->p2p_client_list
+
1143 (s
->num_p2p_clients
- 1) * 2 * ETH_ALEN
, addr
,
1145 os_memset(s
->p2p_client_list
+
1146 (s
->num_p2p_clients
- 1) * 2 * ETH_ALEN
+ ETH_ALEN
,
1152 if (!found
&& s
->num_p2p_clients
< P2P_MAX_STORED_CLIENTS
) {
1153 n
= os_realloc_array(s
->p2p_client_list
,
1154 s
->num_p2p_clients
+ 1, 2 * ETH_ALEN
);
1157 os_memcpy(n
+ s
->num_p2p_clients
* 2 * ETH_ALEN
, addr
,
1159 os_memset(n
+ s
->num_p2p_clients
* 2 * ETH_ALEN
+ ETH_ALEN
,
1161 s
->p2p_client_list
= n
;
1162 s
->num_p2p_clients
++;
1163 } else if (!found
&& s
->p2p_client_list
) {
1164 /* Not enough room for an additional entry - drop the oldest
1166 os_memmove(s
->p2p_client_list
,
1167 s
->p2p_client_list
+ 2 * ETH_ALEN
,
1168 (s
->num_p2p_clients
- 1) * 2 * ETH_ALEN
);
1169 os_memcpy(s
->p2p_client_list
+
1170 (s
->num_p2p_clients
- 1) * 2 * ETH_ALEN
,
1172 os_memset(s
->p2p_client_list
+
1173 (s
->num_p2p_clients
- 1) * 2 * ETH_ALEN
+ ETH_ALEN
,
1177 if (wpa_s
->parent
->conf
->update_config
&&
1178 wpa_config_write(wpa_s
->parent
->confname
, wpa_s
->parent
->conf
))
1179 wpa_printf(MSG_DEBUG
, "P2P: Failed to update configuration");
1183 static void wpas_p2p_group_started(struct wpa_supplicant
*wpa_s
,
1184 int go
, struct wpa_ssid
*ssid
, int freq
,
1185 const u8
*psk
, const char *passphrase
,
1186 const u8
*go_dev_addr
, int persistent
,
1189 const char *ssid_txt
;
1193 wpa_snprintf_hex(psk_txt
, sizeof(psk_txt
), psk
, 32);
1198 ssid_txt
= wpa_ssid_txt(ssid
->ssid
, ssid
->ssid_len
);
1202 if (passphrase
&& passphrase
[0] == '\0')
1206 * Include PSK/passphrase only in the control interface message and
1207 * leave it out from the debug log entry.
1209 wpa_msg_global_ctrl(wpa_s
->parent
, MSG_INFO
,
1210 P2P_EVENT_GROUP_STARTED
1211 "%s %s ssid=\"%s\" freq=%d%s%s%s%s%s go_dev_addr="
1213 wpa_s
->ifname
, go
? "GO" : "client", ssid_txt
, freq
,
1214 psk
? " psk=" : "", psk_txt
,
1215 passphrase
? " passphrase=\"" : "",
1216 passphrase
? passphrase
: "",
1217 passphrase
? "\"" : "",
1218 MAC2STR(go_dev_addr
),
1219 persistent
? " [PERSISTENT]" : "", extra
);
1220 wpa_printf(MSG_INFO
, P2P_EVENT_GROUP_STARTED
1221 "%s %s ssid=\"%s\" freq=%d go_dev_addr=" MACSTR
"%s%s",
1222 wpa_s
->ifname
, go
? "GO" : "client", ssid_txt
, freq
,
1223 MAC2STR(go_dev_addr
), persistent
? " [PERSISTENT]" : "",
1228 static void wpas_group_formation_completed(struct wpa_supplicant
*wpa_s
,
1231 struct wpa_ssid
*ssid
;
1234 u8 go_dev_addr
[ETH_ALEN
];
1235 int network_id
= -1;
1238 * This callback is likely called for the main interface. Update wpa_s
1239 * to use the group interface if a new interface was created for the
1242 if (wpa_s
->global
->p2p_group_formation
)
1243 wpa_s
= wpa_s
->global
->p2p_group_formation
;
1244 if (wpa_s
->p2p_go_group_formation_completed
) {
1245 wpa_s
->global
->p2p_group_formation
= NULL
;
1246 wpa_s
->p2p_in_provisioning
= 0;
1248 wpa_s
->p2p_in_invitation
= 0;
1249 wpa_s
->group_formation_reported
= 1;
1252 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
1253 P2P_EVENT_GROUP_FORMATION_FAILURE
);
1254 wpas_p2p_group_delete(wpa_s
,
1255 P2P_GROUP_REMOVAL_FORMATION_FAILED
);
1259 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
1260 P2P_EVENT_GROUP_FORMATION_SUCCESS
);
1262 ssid
= wpa_s
->current_ssid
;
1263 if (ssid
&& ssid
->mode
== WPAS_MODE_P2P_GROUP_FORMATION
) {
1264 ssid
->mode
= WPAS_MODE_P2P_GO
;
1265 p2p_group_notif_formation_done(wpa_s
->p2p_group
);
1266 wpa_supplicant_ap_mac_addr_filter(wpa_s
, NULL
);
1271 client
= ssid
->mode
== WPAS_MODE_INFRA
;
1272 if (ssid
->mode
== WPAS_MODE_P2P_GO
) {
1273 persistent
= ssid
->p2p_persistent_group
;
1274 os_memcpy(go_dev_addr
, wpa_s
->global
->p2p_dev_addr
,
1277 persistent
= wpas_p2p_persistent_group(wpa_s
,
1282 client
= wpa_s
->p2p_group_interface
==
1283 P2P_GROUP_INTERFACE_CLIENT
;
1284 os_memset(go_dev_addr
, 0, ETH_ALEN
);
1287 wpa_s
->show_group_started
= 0;
1290 * Indicate event only after successfully completed 4-way
1291 * handshake, i.e., when the interface is ready for data
1294 wpa_s
->show_group_started
= 1;
1296 wpas_p2p_group_started(wpa_s
, 1, ssid
,
1297 ssid
? ssid
->frequency
: 0,
1298 ssid
&& ssid
->passphrase
== NULL
&&
1299 ssid
->psk_set
? ssid
->psk
: NULL
,
1300 ssid
? ssid
->passphrase
: NULL
,
1301 go_dev_addr
, persistent
, "");
1302 wpas_p2p_cross_connect_setup(wpa_s
);
1303 wpas_p2p_set_group_idle_timeout(wpa_s
);
1307 network_id
= wpas_p2p_store_persistent_group(wpa_s
->parent
,
1310 os_free(wpa_s
->global
->add_psk
);
1311 wpa_s
->global
->add_psk
= NULL
;
1313 if (network_id
< 0 && ssid
)
1314 network_id
= ssid
->id
;
1316 wpas_notify_p2p_group_started(wpa_s
, ssid
, network_id
, 0);
1317 os_get_reltime(&wpa_s
->global
->p2p_go_wait_client
);
1322 struct send_action_work
{
1328 unsigned int wait_time
;
1333 static void wpas_p2p_send_action_work_timeout(void *eloop_ctx
,
1336 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
1338 if (!wpa_s
->p2p_send_action_work
)
1341 wpa_printf(MSG_DEBUG
, "P2P: Send Action frame radio work timed out");
1342 os_free(wpa_s
->p2p_send_action_work
->ctx
);
1343 radio_work_done(wpa_s
->p2p_send_action_work
);
1344 wpa_s
->p2p_send_action_work
= NULL
;
1348 static void wpas_p2p_action_tx_clear(struct wpa_supplicant
*wpa_s
)
1350 if (wpa_s
->p2p_send_action_work
) {
1351 struct send_action_work
*awork
;
1352 awork
= wpa_s
->p2p_send_action_work
->ctx
;
1353 if (awork
->wait_time
== 0) {
1355 radio_work_done(wpa_s
->p2p_send_action_work
);
1356 wpa_s
->p2p_send_action_work
= NULL
;
1359 * In theory, this should not be needed, but number of
1360 * places in the P2P code is still using non-zero wait
1361 * time for the last Action frame in the sequence and
1362 * some of these do not call send_action_done().
1364 eloop_cancel_timeout(wpas_p2p_send_action_work_timeout
,
1366 eloop_register_timeout(
1367 0, awork
->wait_time
* 1000,
1368 wpas_p2p_send_action_work_timeout
,
1375 static void wpas_p2p_send_action_tx_status(struct wpa_supplicant
*wpa_s
,
1377 const u8
*dst
, const u8
*src
,
1379 const u8
*data
, size_t data_len
,
1380 enum offchannel_send_action_result
1383 enum p2p_send_action_result res
= P2P_SEND_ACTION_SUCCESS
;
1385 wpas_p2p_action_tx_clear(wpa_s
);
1387 if (wpa_s
->global
->p2p
== NULL
|| wpa_s
->global
->p2p_disabled
)
1391 case OFFCHANNEL_SEND_ACTION_SUCCESS
:
1392 res
= P2P_SEND_ACTION_SUCCESS
;
1394 case OFFCHANNEL_SEND_ACTION_NO_ACK
:
1395 res
= P2P_SEND_ACTION_NO_ACK
;
1397 case OFFCHANNEL_SEND_ACTION_FAILED
:
1398 res
= P2P_SEND_ACTION_FAILED
;
1402 p2p_send_action_cb(wpa_s
->global
->p2p
, freq
, dst
, src
, bssid
, res
);
1404 if (result
!= OFFCHANNEL_SEND_ACTION_SUCCESS
&&
1405 wpa_s
->pending_pd_before_join
&&
1406 (os_memcmp(dst
, wpa_s
->pending_join_dev_addr
, ETH_ALEN
) == 0 ||
1407 os_memcmp(dst
, wpa_s
->pending_join_iface_addr
, ETH_ALEN
) == 0) &&
1408 wpa_s
->p2p_fallback_to_go_neg
) {
1409 wpa_s
->pending_pd_before_join
= 0;
1410 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: No ACK for PD Req "
1411 "during p2p_connect-auto");
1412 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
1413 P2P_EVENT_FALLBACK_TO_GO_NEG
1414 "reason=no-ACK-to-PD-Req");
1415 wpas_p2p_fallback_to_go_neg(wpa_s
, 0);
1421 static void wpas_send_action_cb(struct wpa_radio_work
*work
, int deinit
)
1423 struct wpa_supplicant
*wpa_s
= work
->wpa_s
;
1424 struct send_action_work
*awork
= work
->ctx
;
1427 if (work
->started
) {
1428 eloop_cancel_timeout(wpas_p2p_send_action_work_timeout
,
1430 wpa_s
->p2p_send_action_work
= NULL
;
1431 offchannel_send_action_done(wpa_s
);
1437 if (offchannel_send_action(wpa_s
, awork
->freq
, awork
->dst
, awork
->src
,
1438 awork
->bssid
, awork
->buf
, awork
->len
,
1440 wpas_p2p_send_action_tx_status
, 1) < 0) {
1442 radio_work_done(work
);
1445 wpa_s
->p2p_send_action_work
= work
;
1449 static int wpas_send_action_work(struct wpa_supplicant
*wpa_s
,
1450 unsigned int freq
, const u8
*dst
,
1451 const u8
*src
, const u8
*bssid
, const u8
*buf
,
1452 size_t len
, unsigned int wait_time
)
1454 struct send_action_work
*awork
;
1456 if (wpa_s
->p2p_send_action_work
) {
1457 wpa_printf(MSG_DEBUG
, "P2P: Cannot schedule new p2p-send-action work since one is already pending");
1461 awork
= os_zalloc(sizeof(*awork
) + len
);
1466 os_memcpy(awork
->dst
, dst
, ETH_ALEN
);
1467 os_memcpy(awork
->src
, src
, ETH_ALEN
);
1468 os_memcpy(awork
->bssid
, bssid
, ETH_ALEN
);
1470 awork
->wait_time
= wait_time
;
1471 os_memcpy(awork
->buf
, buf
, len
);
1473 if (radio_add_work(wpa_s
, freq
, "p2p-send-action", 0,
1474 wpas_send_action_cb
, awork
) < 0) {
1483 static int wpas_send_action(void *ctx
, unsigned int freq
, const u8
*dst
,
1484 const u8
*src
, const u8
*bssid
, const u8
*buf
,
1485 size_t len
, unsigned int wait_time
)
1487 struct wpa_supplicant
*wpa_s
= ctx
;
1488 int listen_freq
= -1, send_freq
= -1;
1490 if (wpa_s
->p2p_listen_work
)
1491 listen_freq
= wpa_s
->p2p_listen_work
->freq
;
1492 if (wpa_s
->p2p_send_action_work
)
1493 send_freq
= wpa_s
->p2p_send_action_work
->freq
;
1494 if (listen_freq
!= (int) freq
&& send_freq
!= (int) freq
) {
1495 wpa_printf(MSG_DEBUG
, "P2P: Schedule new radio work for Action frame TX (listen_freq=%d send_freq=%d)",
1496 listen_freq
, send_freq
);
1497 return wpas_send_action_work(wpa_s
, freq
, dst
, src
, bssid
, buf
,
1501 wpa_printf(MSG_DEBUG
, "P2P: Use ongoing radio work for Action frame TX");
1502 return offchannel_send_action(wpa_s
, freq
, dst
, src
, bssid
, buf
, len
,
1504 wpas_p2p_send_action_tx_status
, 1);
1508 static void wpas_send_action_done(void *ctx
)
1510 struct wpa_supplicant
*wpa_s
= ctx
;
1512 if (wpa_s
->p2p_send_action_work
) {
1513 eloop_cancel_timeout(wpas_p2p_send_action_work_timeout
,
1515 os_free(wpa_s
->p2p_send_action_work
->ctx
);
1516 radio_work_done(wpa_s
->p2p_send_action_work
);
1517 wpa_s
->p2p_send_action_work
= NULL
;
1520 offchannel_send_action_done(wpa_s
);
1524 static int wpas_copy_go_neg_results(struct wpa_supplicant
*wpa_s
,
1525 struct p2p_go_neg_results
*params
)
1527 if (wpa_s
->go_params
== NULL
) {
1528 wpa_s
->go_params
= os_malloc(sizeof(*params
));
1529 if (wpa_s
->go_params
== NULL
)
1532 os_memcpy(wpa_s
->go_params
, params
, sizeof(*params
));
1537 static void wpas_start_wps_enrollee(struct wpa_supplicant
*wpa_s
,
1538 struct p2p_go_neg_results
*res
)
1540 wpa_s
->group_formation_reported
= 0;
1541 wpa_printf(MSG_DEBUG
, "P2P: Start WPS Enrollee for peer " MACSTR
1542 " dev_addr " MACSTR
" wps_method %d",
1543 MAC2STR(res
->peer_interface_addr
),
1544 MAC2STR(res
->peer_device_addr
), res
->wps_method
);
1545 wpa_hexdump_ascii(MSG_DEBUG
, "P2P: Start WPS Enrollee for SSID",
1546 res
->ssid
, res
->ssid_len
);
1547 wpa_supplicant_ap_deinit(wpa_s
);
1548 wpas_copy_go_neg_results(wpa_s
, res
);
1549 if (res
->wps_method
== WPS_PBC
) {
1550 wpas_wps_start_pbc(wpa_s
, res
->peer_interface_addr
, 1);
1551 #ifdef CONFIG_WPS_NFC
1552 } else if (res
->wps_method
== WPS_NFC
) {
1553 wpas_wps_start_nfc(wpa_s
, res
->peer_device_addr
,
1554 res
->peer_interface_addr
,
1555 wpa_s
->parent
->p2p_oob_dev_pw
,
1556 wpa_s
->parent
->p2p_oob_dev_pw_id
, 1,
1557 wpa_s
->parent
->p2p_oob_dev_pw_id
==
1558 DEV_PW_NFC_CONNECTION_HANDOVER
?
1559 wpa_s
->parent
->p2p_peer_oob_pubkey_hash
:
1562 #endif /* CONFIG_WPS_NFC */
1564 u16 dev_pw_id
= DEV_PW_DEFAULT
;
1565 if (wpa_s
->p2p_wps_method
== WPS_P2PS
)
1566 dev_pw_id
= DEV_PW_P2PS_DEFAULT
;
1567 if (wpa_s
->p2p_wps_method
== WPS_PIN_KEYPAD
)
1568 dev_pw_id
= DEV_PW_REGISTRAR_SPECIFIED
;
1569 wpas_wps_start_pin(wpa_s
, res
->peer_interface_addr
,
1570 wpa_s
->p2p_pin
, 1, dev_pw_id
);
1575 static void wpas_p2p_add_psk_list(struct wpa_supplicant
*wpa_s
,
1576 struct wpa_ssid
*ssid
)
1578 struct wpa_ssid
*persistent
;
1579 struct psk_list_entry
*psk
;
1580 struct hostapd_data
*hapd
;
1582 if (!wpa_s
->ap_iface
)
1585 persistent
= wpas_p2p_get_persistent(wpa_s
->parent
, NULL
, ssid
->ssid
,
1587 if (persistent
== NULL
)
1590 hapd
= wpa_s
->ap_iface
->bss
[0];
1592 dl_list_for_each(psk
, &persistent
->psk_list
, struct psk_list_entry
,
1594 struct hostapd_wpa_psk
*hpsk
;
1596 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Add persistent group PSK entry for "
1598 MAC2STR(psk
->addr
), psk
->p2p
);
1599 hpsk
= os_zalloc(sizeof(*hpsk
));
1602 os_memcpy(hpsk
->psk
, psk
->psk
, PMK_LEN
);
1604 os_memcpy(hpsk
->p2p_dev_addr
, psk
->addr
, ETH_ALEN
);
1606 os_memcpy(hpsk
->addr
, psk
->addr
, ETH_ALEN
);
1607 hpsk
->next
= hapd
->conf
->ssid
.wpa_psk
;
1608 hapd
->conf
->ssid
.wpa_psk
= hpsk
;
1613 static void p2p_go_dump_common_freqs(struct wpa_supplicant
*wpa_s
)
1617 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Common group frequencies (len=%u):",
1618 wpa_s
->p2p_group_common_freqs_num
);
1620 for (i
= 0; i
< wpa_s
->p2p_group_common_freqs_num
; i
++)
1621 wpa_dbg(wpa_s
, MSG_DEBUG
, "freq[%u]: %d",
1622 i
, wpa_s
->p2p_group_common_freqs
[i
]);
1626 static void p2p_go_save_group_common_freqs(struct wpa_supplicant
*wpa_s
,
1627 struct p2p_go_neg_results
*params
)
1629 unsigned int i
, len
= int_array_len(wpa_s
->go_params
->freq_list
);
1631 wpa_s
->p2p_group_common_freqs_num
= 0;
1632 os_free(wpa_s
->p2p_group_common_freqs
);
1633 wpa_s
->p2p_group_common_freqs
= os_calloc(len
, sizeof(int));
1634 if (!wpa_s
->p2p_group_common_freqs
)
1637 for (i
= 0; i
< len
; i
++) {
1638 if (!wpa_s
->go_params
->freq_list
[i
])
1640 wpa_s
->p2p_group_common_freqs
[i
] =
1641 wpa_s
->go_params
->freq_list
[i
];
1643 wpa_s
->p2p_group_common_freqs_num
= i
;
1647 static void p2p_config_write(struct wpa_supplicant
*wpa_s
)
1649 #ifndef CONFIG_NO_CONFIG_WRITE
1650 if (wpa_s
->parent
->conf
->update_config
&&
1651 wpa_config_write(wpa_s
->parent
->confname
, wpa_s
->parent
->conf
))
1652 wpa_printf(MSG_DEBUG
, "P2P: Failed to update configuration");
1653 #endif /* CONFIG_NO_CONFIG_WRITE */
1657 static void p2p_go_configured(void *ctx
, void *data
)
1659 struct wpa_supplicant
*wpa_s
= ctx
;
1660 struct p2p_go_neg_results
*params
= data
;
1661 struct wpa_ssid
*ssid
;
1662 int network_id
= -1;
1664 p2p_go_save_group_common_freqs(wpa_s
, params
);
1665 p2p_go_dump_common_freqs(wpa_s
);
1667 ssid
= wpa_s
->current_ssid
;
1668 if (ssid
&& ssid
->mode
== WPAS_MODE_P2P_GO
) {
1669 wpa_printf(MSG_DEBUG
, "P2P: Group setup without provisioning");
1670 if (wpa_s
->global
->p2p_group_formation
== wpa_s
)
1671 wpa_s
->global
->p2p_group_formation
= NULL
;
1672 wpas_p2p_group_started(wpa_s
, 1, ssid
, ssid
->frequency
,
1673 params
->passphrase
[0] == '\0' ?
1676 wpa_s
->global
->p2p_dev_addr
,
1677 params
->persistent_group
, "");
1678 wpa_s
->group_formation_reported
= 1;
1680 if (wpa_s
->parent
->p2ps_join_addr_valid
) {
1681 wpa_dbg(wpa_s
, MSG_DEBUG
,
1682 "P2PS: Setting default PIN for " MACSTR
,
1683 MAC2STR(wpa_s
->parent
->p2ps_join_addr
));
1684 wpa_supplicant_ap_wps_pin(wpa_s
,
1685 wpa_s
->parent
->p2ps_join_addr
,
1686 "12345670", NULL
, 0, 0);
1687 wpa_s
->parent
->p2ps_join_addr_valid
= 0;
1690 os_get_reltime(&wpa_s
->global
->p2p_go_wait_client
);
1691 if (params
->persistent_group
) {
1692 network_id
= wpas_p2p_store_persistent_group(
1693 wpa_s
->parent
, ssid
,
1694 wpa_s
->global
->p2p_dev_addr
);
1695 wpas_p2p_add_psk_list(wpa_s
, ssid
);
1698 network_id
= ssid
->id
;
1699 wpas_notify_p2p_group_started(wpa_s
, ssid
, network_id
, 0);
1700 wpas_p2p_cross_connect_setup(wpa_s
);
1701 wpas_p2p_set_group_idle_timeout(wpa_s
);
1703 if (wpa_s
->p2p_first_connection_timeout
) {
1704 wpa_dbg(wpa_s
, MSG_DEBUG
,
1705 "P2P: Start group formation timeout of %d seconds until first data connection on GO",
1706 wpa_s
->p2p_first_connection_timeout
);
1707 wpa_s
->p2p_go_group_formation_completed
= 0;
1708 wpa_s
->global
->p2p_group_formation
= wpa_s
;
1709 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
,
1710 wpa_s
->parent
, NULL
);
1711 eloop_register_timeout(
1712 wpa_s
->p2p_first_connection_timeout
, 0,
1713 wpas_p2p_group_formation_timeout
,
1714 wpa_s
->parent
, NULL
);
1720 wpa_printf(MSG_DEBUG
, "P2P: Setting up WPS for GO provisioning");
1721 if (wpa_supplicant_ap_mac_addr_filter(wpa_s
,
1722 params
->peer_interface_addr
)) {
1723 wpa_printf(MSG_DEBUG
, "P2P: Failed to setup MAC address "
1727 if (params
->wps_method
== WPS_PBC
) {
1728 wpa_supplicant_ap_wps_pbc(wpa_s
, params
->peer_interface_addr
,
1729 params
->peer_device_addr
);
1730 #ifdef CONFIG_WPS_NFC
1731 } else if (params
->wps_method
== WPS_NFC
) {
1732 if (wpa_s
->parent
->p2p_oob_dev_pw_id
!=
1733 DEV_PW_NFC_CONNECTION_HANDOVER
&&
1734 !wpa_s
->parent
->p2p_oob_dev_pw
) {
1735 wpa_printf(MSG_DEBUG
, "P2P: No NFC Dev Pw known");
1738 wpas_ap_wps_add_nfc_pw(
1739 wpa_s
, wpa_s
->parent
->p2p_oob_dev_pw_id
,
1740 wpa_s
->parent
->p2p_oob_dev_pw
,
1741 wpa_s
->parent
->p2p_peer_oob_pk_hash_known
?
1742 wpa_s
->parent
->p2p_peer_oob_pubkey_hash
: NULL
);
1743 #endif /* CONFIG_WPS_NFC */
1744 } else if (wpa_s
->p2p_pin
[0])
1745 wpa_supplicant_ap_wps_pin(wpa_s
, params
->peer_interface_addr
,
1746 wpa_s
->p2p_pin
, NULL
, 0, 0);
1747 os_free(wpa_s
->go_params
);
1748 wpa_s
->go_params
= NULL
;
1752 static void wpas_start_wps_go(struct wpa_supplicant
*wpa_s
,
1753 struct p2p_go_neg_results
*params
,
1754 int group_formation
)
1756 struct wpa_ssid
*ssid
;
1758 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Starting GO");
1759 if (wpas_copy_go_neg_results(wpa_s
, params
) < 0) {
1760 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Could not copy GO Negotiation "
1765 ssid
= wpa_config_add_network(wpa_s
->conf
);
1767 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Could not add network for GO");
1771 wpa_s
->show_group_started
= 0;
1772 wpa_s
->p2p_go_group_formation_completed
= 0;
1773 wpa_s
->group_formation_reported
= 0;
1775 wpa_config_set_network_defaults(ssid
);
1776 ssid
->temporary
= 1;
1777 ssid
->p2p_group
= 1;
1778 ssid
->p2p_persistent_group
= params
->persistent_group
;
1779 ssid
->mode
= group_formation
? WPAS_MODE_P2P_GROUP_FORMATION
:
1781 ssid
->frequency
= params
->freq
;
1782 ssid
->ht40
= params
->ht40
;
1783 ssid
->vht
= params
->vht
;
1784 ssid
->ssid
= os_zalloc(params
->ssid_len
+ 1);
1786 os_memcpy(ssid
->ssid
, params
->ssid
, params
->ssid_len
);
1787 ssid
->ssid_len
= params
->ssid_len
;
1789 ssid
->auth_alg
= WPA_AUTH_ALG_OPEN
;
1790 ssid
->key_mgmt
= WPA_KEY_MGMT_PSK
;
1791 ssid
->proto
= WPA_PROTO_RSN
;
1792 ssid
->pairwise_cipher
= WPA_CIPHER_CCMP
;
1793 ssid
->group_cipher
= WPA_CIPHER_CCMP
;
1794 if (params
->freq
> 56160) {
1796 * Enable GCMP instead of CCMP as pairwise_cipher and
1797 * group_cipher in 60 GHz.
1799 ssid
->pairwise_cipher
= WPA_CIPHER_GCMP
;
1800 ssid
->group_cipher
= WPA_CIPHER_GCMP
;
1802 if (os_strlen(params
->passphrase
) > 0) {
1803 ssid
->passphrase
= os_strdup(params
->passphrase
);
1804 if (ssid
->passphrase
== NULL
) {
1805 wpa_msg_global(wpa_s
, MSG_ERROR
,
1806 "P2P: Failed to copy passphrase for GO");
1807 wpa_config_remove_network(wpa_s
->conf
, ssid
->id
);
1811 ssid
->passphrase
= NULL
;
1812 ssid
->psk_set
= params
->psk_set
;
1814 os_memcpy(ssid
->psk
, params
->psk
, sizeof(ssid
->psk
));
1815 else if (ssid
->passphrase
)
1816 wpa_config_update_psk(ssid
);
1817 ssid
->ap_max_inactivity
= wpa_s
->parent
->conf
->p2p_go_max_inactivity
;
1819 wpa_s
->ap_configured_cb
= p2p_go_configured
;
1820 wpa_s
->ap_configured_cb_ctx
= wpa_s
;
1821 wpa_s
->ap_configured_cb_data
= wpa_s
->go_params
;
1822 wpa_s
->scan_req
= NORMAL_SCAN_REQ
;
1823 wpa_s
->connect_without_scan
= ssid
;
1824 wpa_s
->reassociate
= 1;
1825 wpa_s
->disconnected
= 0;
1826 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Request scan (that will be skipped) to "
1828 wpa_supplicant_req_scan(wpa_s
, 0, 0);
1832 static void wpas_p2p_clone_config(struct wpa_supplicant
*dst
,
1833 const struct wpa_supplicant
*src
)
1835 struct wpa_config
*d
;
1836 const struct wpa_config
*s
;
1841 #define C(n) if (s->n) d->n = os_strdup(s->n)
1850 os_memcpy(d
->device_type
, s
->device_type
, WPS_DEV_TYPE_LEN
);
1851 os_memcpy(d
->sec_device_type
, s
->sec_device_type
,
1852 sizeof(d
->sec_device_type
));
1853 d
->num_sec_device_types
= s
->num_sec_device_types
;
1855 d
->p2p_group_idle
= s
->p2p_group_idle
;
1856 d
->p2p_intra_bss
= s
->p2p_intra_bss
;
1857 d
->persistent_reconnect
= s
->persistent_reconnect
;
1858 d
->max_num_sta
= s
->max_num_sta
;
1859 d
->pbc_in_m1
= s
->pbc_in_m1
;
1860 d
->ignore_old_scan_res
= s
->ignore_old_scan_res
;
1861 d
->beacon_int
= s
->beacon_int
;
1862 d
->dtim_period
= s
->dtim_period
;
1863 d
->p2p_go_ctwindow
= s
->p2p_go_ctwindow
;
1864 d
->disassoc_low_ack
= s
->disassoc_low_ack
;
1865 d
->disable_scan_offload
= s
->disable_scan_offload
;
1866 d
->passive_scan
= s
->passive_scan
;
1868 if (s
->wps_nfc_dh_privkey
&& s
->wps_nfc_dh_pubkey
) {
1869 d
->wps_nfc_dh_privkey
= wpabuf_dup(s
->wps_nfc_dh_privkey
);
1870 d
->wps_nfc_dh_pubkey
= wpabuf_dup(s
->wps_nfc_dh_pubkey
);
1875 static void wpas_p2p_get_group_ifname(struct wpa_supplicant
*wpa_s
,
1876 char *ifname
, size_t len
)
1878 char *ifname_ptr
= wpa_s
->ifname
;
1880 if (os_strncmp(wpa_s
->ifname
, P2P_MGMT_DEVICE_PREFIX
,
1881 os_strlen(P2P_MGMT_DEVICE_PREFIX
)) == 0) {
1882 ifname_ptr
= os_strrchr(wpa_s
->ifname
, '-') + 1;
1885 os_snprintf(ifname
, len
, "p2p-%s-%d", ifname_ptr
, wpa_s
->p2p_group_idx
);
1886 if (os_strlen(ifname
) >= IFNAMSIZ
&&
1887 os_strlen(wpa_s
->ifname
) < IFNAMSIZ
) {
1890 /* Try to avoid going over the IFNAMSIZ length limit */
1891 res
= os_snprintf(ifname
, len
, "p2p-%d", wpa_s
->p2p_group_idx
);
1892 if (os_snprintf_error(len
, res
) && len
)
1893 ifname
[len
- 1] = '\0';
1898 static int wpas_p2p_add_group_interface(struct wpa_supplicant
*wpa_s
,
1899 enum wpa_driver_if_type type
)
1901 char ifname
[120], force_ifname
[120];
1903 if (wpa_s
->pending_interface_name
[0]) {
1904 wpa_printf(MSG_DEBUG
, "P2P: Pending virtual interface exists "
1905 "- skip creation of a new one");
1906 if (is_zero_ether_addr(wpa_s
->pending_interface_addr
)) {
1907 wpa_printf(MSG_DEBUG
, "P2P: Pending virtual address "
1908 "unknown?! ifname='%s'",
1909 wpa_s
->pending_interface_name
);
1915 wpas_p2p_get_group_ifname(wpa_s
, ifname
, sizeof(ifname
));
1916 force_ifname
[0] = '\0';
1918 wpa_printf(MSG_DEBUG
, "P2P: Create a new interface %s for the group",
1920 wpa_s
->p2p_group_idx
++;
1922 wpa_s
->pending_interface_type
= type
;
1923 if (wpa_drv_if_add(wpa_s
, type
, ifname
, NULL
, NULL
, force_ifname
,
1924 wpa_s
->pending_interface_addr
, NULL
) < 0) {
1925 wpa_printf(MSG_ERROR
, "P2P: Failed to create new group "
1930 if (force_ifname
[0]) {
1931 wpa_printf(MSG_DEBUG
, "P2P: Driver forced interface name %s",
1933 os_strlcpy(wpa_s
->pending_interface_name
, force_ifname
,
1934 sizeof(wpa_s
->pending_interface_name
));
1936 os_strlcpy(wpa_s
->pending_interface_name
, ifname
,
1937 sizeof(wpa_s
->pending_interface_name
));
1938 wpa_printf(MSG_DEBUG
, "P2P: Created pending virtual interface %s addr "
1939 MACSTR
, wpa_s
->pending_interface_name
,
1940 MAC2STR(wpa_s
->pending_interface_addr
));
1946 static void wpas_p2p_remove_pending_group_interface(
1947 struct wpa_supplicant
*wpa_s
)
1949 if (!wpa_s
->pending_interface_name
[0] ||
1950 is_zero_ether_addr(wpa_s
->pending_interface_addr
))
1951 return; /* No pending virtual interface */
1953 wpa_printf(MSG_DEBUG
, "P2P: Removing pending group interface %s",
1954 wpa_s
->pending_interface_name
);
1955 wpa_drv_if_remove(wpa_s
, wpa_s
->pending_interface_type
,
1956 wpa_s
->pending_interface_name
);
1957 os_memset(wpa_s
->pending_interface_addr
, 0, ETH_ALEN
);
1958 wpa_s
->pending_interface_name
[0] = '\0';
1959 wpa_s
->global
->pending_group_iface_for_p2ps
= 0;
1963 static struct wpa_supplicant
*
1964 wpas_p2p_init_group_interface(struct wpa_supplicant
*wpa_s
, int go
)
1966 struct wpa_interface iface
;
1967 struct wpa_supplicant
*group_wpa_s
;
1969 if (!wpa_s
->pending_interface_name
[0]) {
1970 wpa_printf(MSG_ERROR
, "P2P: No pending group interface");
1971 if (!wpas_p2p_create_iface(wpa_s
))
1974 * Something has forced us to remove the pending interface; try
1975 * to create a new one and hope for the best that we will get
1976 * the same local address.
1978 if (wpas_p2p_add_group_interface(wpa_s
, go
? WPA_IF_P2P_GO
:
1979 WPA_IF_P2P_CLIENT
) < 0)
1983 os_memset(&iface
, 0, sizeof(iface
));
1984 iface
.ifname
= wpa_s
->pending_interface_name
;
1985 iface
.driver
= wpa_s
->driver
->name
;
1986 if (wpa_s
->conf
->ctrl_interface
== NULL
&&
1987 wpa_s
->parent
!= wpa_s
&&
1989 (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE
))
1990 iface
.ctrl_interface
= wpa_s
->parent
->conf
->ctrl_interface
;
1992 iface
.ctrl_interface
= wpa_s
->conf
->ctrl_interface
;
1993 iface
.driver_param
= wpa_s
->conf
->driver_param
;
1994 group_wpa_s
= wpa_supplicant_add_iface(wpa_s
->global
, &iface
, wpa_s
);
1995 if (group_wpa_s
== NULL
) {
1996 wpa_printf(MSG_ERROR
, "P2P: Failed to create new "
1997 "wpa_supplicant interface");
2000 wpa_s
->pending_interface_name
[0] = '\0';
2001 group_wpa_s
->p2p_group_interface
= go
? P2P_GROUP_INTERFACE_GO
:
2002 P2P_GROUP_INTERFACE_CLIENT
;
2003 wpa_s
->global
->p2p_group_formation
= group_wpa_s
;
2004 wpa_s
->global
->pending_group_iface_for_p2ps
= 0;
2006 wpas_p2p_clone_config(group_wpa_s
, wpa_s
);
2012 static void wpas_p2p_group_formation_timeout(void *eloop_ctx
,
2015 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
2016 wpa_printf(MSG_DEBUG
, "P2P: Group Formation timed out");
2017 wpas_p2p_group_formation_failed(wpa_s
);
2021 void wpas_p2p_group_formation_failed(struct wpa_supplicant
*wpa_s
)
2023 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
,
2024 wpa_s
->parent
, NULL
);
2025 if (wpa_s
->global
->p2p
)
2026 p2p_group_formation_failed(wpa_s
->global
->p2p
);
2027 wpas_group_formation_completed(wpa_s
, 0);
2031 static void wpas_p2p_grpform_fail_after_wps(struct wpa_supplicant
*wpa_s
)
2033 wpa_printf(MSG_DEBUG
, "P2P: Reject group formation due to WPS provisioning failure");
2034 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
,
2035 wpa_s
->parent
, NULL
);
2036 eloop_register_timeout(0, 0, wpas_p2p_group_formation_timeout
,
2037 wpa_s
->parent
, NULL
);
2038 wpa_s
->global
->p2p_fail_on_wps_complete
= 0;
2042 void wpas_p2p_ap_setup_failed(struct wpa_supplicant
*wpa_s
)
2044 if (wpa_s
->global
->p2p_group_formation
!= wpa_s
)
2046 /* Speed up group formation timeout since this cannot succeed */
2047 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
,
2048 wpa_s
->parent
, NULL
);
2049 eloop_register_timeout(0, 0, wpas_p2p_group_formation_timeout
,
2050 wpa_s
->parent
, NULL
);
2054 static void wpas_go_neg_completed(void *ctx
, struct p2p_go_neg_results
*res
)
2056 struct wpa_supplicant
*wpa_s
= ctx
;
2058 if (wpa_s
->off_channel_freq
|| wpa_s
->roc_waiting_drv_freq
) {
2059 wpa_drv_cancel_remain_on_channel(wpa_s
);
2060 wpa_s
->off_channel_freq
= 0;
2061 wpa_s
->roc_waiting_drv_freq
= 0;
2065 wpa_msg_global(wpa_s
, MSG_INFO
,
2066 P2P_EVENT_GO_NEG_FAILURE
"status=%d",
2068 wpas_notify_p2p_go_neg_completed(wpa_s
, res
);
2069 wpas_p2p_remove_pending_group_interface(wpa_s
);
2073 if (wpa_s
->p2p_go_ht40
)
2075 if (wpa_s
->p2p_go_vht
)
2078 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_GO_NEG_SUCCESS
"role=%s "
2079 "freq=%d ht40=%d peer_dev=" MACSTR
" peer_iface=" MACSTR
2081 res
->role_go
? "GO" : "client", res
->freq
, res
->ht40
,
2082 MAC2STR(res
->peer_device_addr
),
2083 MAC2STR(res
->peer_interface_addr
),
2084 p2p_wps_method_text(res
->wps_method
));
2085 wpas_notify_p2p_go_neg_completed(wpa_s
, res
);
2087 if (res
->role_go
&& wpa_s
->p2p_persistent_id
>= 0) {
2088 struct wpa_ssid
*ssid
;
2089 ssid
= wpa_config_get_network(wpa_s
->conf
,
2090 wpa_s
->p2p_persistent_id
);
2091 if (ssid
&& ssid
->disabled
== 2 &&
2092 ssid
->mode
== WPAS_MODE_P2P_GO
&& ssid
->passphrase
) {
2093 size_t len
= os_strlen(ssid
->passphrase
);
2094 wpa_printf(MSG_DEBUG
, "P2P: Override passphrase based "
2095 "on requested persistent group");
2096 os_memcpy(res
->passphrase
, ssid
->passphrase
, len
);
2097 res
->passphrase
[len
] = '\0';
2101 if (wpa_s
->create_p2p_iface
) {
2102 struct wpa_supplicant
*group_wpa_s
=
2103 wpas_p2p_init_group_interface(wpa_s
, res
->role_go
);
2104 if (group_wpa_s
== NULL
) {
2105 wpas_p2p_remove_pending_group_interface(wpa_s
);
2106 eloop_cancel_timeout(wpas_p2p_long_listen_timeout
,
2108 wpas_p2p_group_formation_failed(wpa_s
);
2111 if (group_wpa_s
!= wpa_s
) {
2112 os_memcpy(group_wpa_s
->p2p_pin
, wpa_s
->p2p_pin
,
2113 sizeof(group_wpa_s
->p2p_pin
));
2114 group_wpa_s
->p2p_wps_method
= wpa_s
->p2p_wps_method
;
2116 os_memset(wpa_s
->pending_interface_addr
, 0, ETH_ALEN
);
2117 wpa_s
->pending_interface_name
[0] = '\0';
2118 group_wpa_s
->p2p_in_provisioning
= 1;
2121 wpas_start_wps_go(group_wpa_s
, res
, 1);
2123 wpas_start_wps_enrollee(group_wpa_s
, res
);
2125 wpa_s
->p2p_in_provisioning
= 1;
2126 wpa_s
->global
->p2p_group_formation
= wpa_s
;
2129 wpas_start_wps_go(wpa_s
, res
, 1);
2131 wpas_start_wps_enrollee(ctx
, res
);
2134 wpa_s
->p2p_long_listen
= 0;
2135 eloop_cancel_timeout(wpas_p2p_long_listen_timeout
, wpa_s
, NULL
);
2137 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
, wpa_s
, NULL
);
2138 eloop_register_timeout(15 + res
->peer_config_timeout
/ 100,
2139 (res
->peer_config_timeout
% 100) * 10000,
2140 wpas_p2p_group_formation_timeout
, wpa_s
, NULL
);
2144 static void wpas_go_neg_req_rx(void *ctx
, const u8
*src
, u16 dev_passwd_id
)
2146 struct wpa_supplicant
*wpa_s
= ctx
;
2147 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_GO_NEG_REQUEST MACSTR
2148 " dev_passwd_id=%u", MAC2STR(src
), dev_passwd_id
);
2150 wpas_notify_p2p_go_neg_req(wpa_s
, src
, dev_passwd_id
);
2154 static void wpas_dev_found(void *ctx
, const u8
*addr
,
2155 const struct p2p_peer_info
*info
,
2158 #ifndef CONFIG_NO_STDOUT_DEBUG
2159 struct wpa_supplicant
*wpa_s
= ctx
;
2160 char devtype
[WPS_DEV_TYPE_BUFSIZE
];
2161 char *wfd_dev_info_hex
= NULL
;
2163 #ifdef CONFIG_WIFI_DISPLAY
2164 wfd_dev_info_hex
= wifi_display_subelem_hex(info
->wfd_subelems
,
2165 WFD_SUBELEM_DEVICE_INFO
);
2166 #endif /* CONFIG_WIFI_DISPLAY */
2168 if (info
->p2ps_instance
) {
2170 const u8
*buf
= wpabuf_head(info
->p2ps_instance
);
2171 size_t len
= wpabuf_len(info
->p2ps_instance
);
2178 if (len
< 4 + 2 + 1)
2180 id
= WPA_GET_LE32(buf
);
2182 methods
= WPA_GET_BE16(buf
);
2185 if (str_len
> len
- 4 - 2 - 1)
2187 os_memcpy(str
, buf
, str_len
);
2188 str
[str_len
] = '\0';
2190 len
-= str_len
+ sizeof(u32
) + sizeof(u16
) + sizeof(u8
);
2192 wpa_msg_global(wpa_s
, MSG_INFO
,
2193 P2P_EVENT_DEVICE_FOUND MACSTR
2194 " p2p_dev_addr=" MACSTR
2195 " pri_dev_type=%s name='%s'"
2196 " config_methods=0x%x"
2199 " adv_id=%x asp_svc=%s%s",
2201 MAC2STR(info
->p2p_device_addr
),
2202 wps_dev_type_bin2str(
2204 devtype
, sizeof(devtype
)),
2205 info
->device_name
, methods
,
2206 info
->dev_capab
, info
->group_capab
,
2208 info
->vendor_elems
?
2209 " vendor_elems=1" : "");
2214 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_DEVICE_FOUND MACSTR
2215 " p2p_dev_addr=" MACSTR
2216 " pri_dev_type=%s name='%s' config_methods=0x%x "
2217 "dev_capab=0x%x group_capab=0x%x%s%s%s new=%d",
2218 MAC2STR(addr
), MAC2STR(info
->p2p_device_addr
),
2219 wps_dev_type_bin2str(info
->pri_dev_type
, devtype
,
2221 info
->device_name
, info
->config_methods
,
2222 info
->dev_capab
, info
->group_capab
,
2223 wfd_dev_info_hex
? " wfd_dev_info=0x" : "",
2224 wfd_dev_info_hex
? wfd_dev_info_hex
: "",
2225 info
->vendor_elems
? " vendor_elems=1" : "",
2229 os_free(wfd_dev_info_hex
);
2230 #endif /* CONFIG_NO_STDOUT_DEBUG */
2232 wpas_notify_p2p_device_found(ctx
, info
->p2p_device_addr
, new_device
);
2236 static void wpas_dev_lost(void *ctx
, const u8
*dev_addr
)
2238 struct wpa_supplicant
*wpa_s
= ctx
;
2240 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_DEVICE_LOST
2241 "p2p_dev_addr=" MACSTR
, MAC2STR(dev_addr
));
2243 wpas_notify_p2p_device_lost(wpa_s
, dev_addr
);
2247 static void wpas_find_stopped(void *ctx
)
2249 struct wpa_supplicant
*wpa_s
= ctx
;
2250 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_FIND_STOPPED
);
2251 wpas_notify_p2p_find_stopped(wpa_s
);
2255 struct wpas_p2p_listen_work
{
2257 unsigned int duration
;
2258 struct wpabuf
*probe_resp_ie
;
2262 static void wpas_p2p_listen_work_free(struct wpas_p2p_listen_work
*lwork
)
2266 wpabuf_free(lwork
->probe_resp_ie
);
2271 static void wpas_p2p_listen_work_done(struct wpa_supplicant
*wpa_s
)
2273 struct wpas_p2p_listen_work
*lwork
;
2275 if (!wpa_s
->p2p_listen_work
)
2278 lwork
= wpa_s
->p2p_listen_work
->ctx
;
2279 wpas_p2p_listen_work_free(lwork
);
2280 radio_work_done(wpa_s
->p2p_listen_work
);
2281 wpa_s
->p2p_listen_work
= NULL
;
2285 static void wpas_start_listen_cb(struct wpa_radio_work
*work
, int deinit
)
2287 struct wpa_supplicant
*wpa_s
= work
->wpa_s
;
2288 struct wpas_p2p_listen_work
*lwork
= work
->ctx
;
2289 unsigned int duration
;
2292 if (work
->started
) {
2293 wpa_s
->p2p_listen_work
= NULL
;
2294 wpas_stop_listen(wpa_s
);
2296 wpas_p2p_listen_work_free(lwork
);
2300 wpa_s
->p2p_listen_work
= work
;
2302 wpa_drv_set_ap_wps_ie(wpa_s
, NULL
, lwork
->probe_resp_ie
, NULL
);
2304 if (wpa_drv_probe_req_report(wpa_s
, 1) < 0) {
2305 wpa_printf(MSG_DEBUG
, "P2P: Failed to request the driver to "
2306 "report received Probe Request frames");
2307 wpas_p2p_listen_work_done(wpa_s
);
2311 wpa_s
->pending_listen_freq
= lwork
->freq
;
2312 wpa_s
->pending_listen_duration
= lwork
->duration
;
2314 duration
= lwork
->duration
;
2315 #ifdef CONFIG_TESTING_OPTIONS
2316 if (wpa_s
->extra_roc_dur
) {
2317 wpa_printf(MSG_DEBUG
, "TESTING: Increase ROC duration %u -> %u",
2318 duration
, duration
+ wpa_s
->extra_roc_dur
);
2319 duration
+= wpa_s
->extra_roc_dur
;
2321 #endif /* CONFIG_TESTING_OPTIONS */
2323 if (wpa_drv_remain_on_channel(wpa_s
, lwork
->freq
, duration
) < 0) {
2324 wpa_printf(MSG_DEBUG
, "P2P: Failed to request the driver "
2325 "to remain on channel (%u MHz) for Listen "
2326 "state", lwork
->freq
);
2327 wpas_p2p_listen_work_done(wpa_s
);
2328 wpa_s
->pending_listen_freq
= 0;
2331 wpa_s
->off_channel_freq
= 0;
2332 wpa_s
->roc_waiting_drv_freq
= lwork
->freq
;
2336 static int wpas_start_listen(void *ctx
, unsigned int freq
,
2337 unsigned int duration
,
2338 const struct wpabuf
*probe_resp_ie
)
2340 struct wpa_supplicant
*wpa_s
= ctx
;
2341 struct wpas_p2p_listen_work
*lwork
;
2343 if (wpa_s
->p2p_listen_work
) {
2344 wpa_printf(MSG_DEBUG
, "P2P: Reject start_listen since p2p_listen_work already exists");
2348 lwork
= os_zalloc(sizeof(*lwork
));
2352 lwork
->duration
= duration
;
2353 if (probe_resp_ie
) {
2354 lwork
->probe_resp_ie
= wpabuf_dup(probe_resp_ie
);
2355 if (lwork
->probe_resp_ie
== NULL
) {
2356 wpas_p2p_listen_work_free(lwork
);
2361 if (radio_add_work(wpa_s
, freq
, "p2p-listen", 0, wpas_start_listen_cb
,
2363 wpas_p2p_listen_work_free(lwork
);
2371 static void wpas_stop_listen(void *ctx
)
2373 struct wpa_supplicant
*wpa_s
= ctx
;
2374 if (wpa_s
->off_channel_freq
|| wpa_s
->roc_waiting_drv_freq
) {
2375 wpa_drv_cancel_remain_on_channel(wpa_s
);
2376 wpa_s
->off_channel_freq
= 0;
2377 wpa_s
->roc_waiting_drv_freq
= 0;
2379 wpa_drv_set_ap_wps_ie(wpa_s
, NULL
, NULL
, NULL
);
2380 wpa_drv_probe_req_report(wpa_s
, 0);
2381 wpas_p2p_listen_work_done(wpa_s
);
2385 static int wpas_send_probe_resp(void *ctx
, const struct wpabuf
*buf
)
2387 struct wpa_supplicant
*wpa_s
= ctx
;
2388 return wpa_drv_send_mlme(wpa_s
, wpabuf_head(buf
), wpabuf_len(buf
), 1);
2392 static void wpas_prov_disc_local_display(struct wpa_supplicant
*wpa_s
,
2393 const u8
*peer
, const char *params
,
2394 unsigned int generated_pin
)
2396 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_PROV_DISC_SHOW_PIN MACSTR
2397 " %08d%s", MAC2STR(peer
), generated_pin
, params
);
2401 static void wpas_prov_disc_local_keypad(struct wpa_supplicant
*wpa_s
,
2402 const u8
*peer
, const char *params
)
2404 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_PROV_DISC_ENTER_PIN MACSTR
2405 "%s", MAC2STR(peer
), params
);
2409 static void wpas_prov_disc_req(void *ctx
, const u8
*peer
, u16 config_methods
,
2410 const u8
*dev_addr
, const u8
*pri_dev_type
,
2411 const char *dev_name
, u16 supp_config_methods
,
2412 u8 dev_capab
, u8 group_capab
, const u8
*group_id
,
2413 size_t group_id_len
)
2415 struct wpa_supplicant
*wpa_s
= ctx
;
2416 char devtype
[WPS_DEV_TYPE_BUFSIZE
];
2418 u8 empty_dev_type
[8];
2419 unsigned int generated_pin
= 0;
2420 struct wpa_supplicant
*group
= NULL
;
2424 for (group
= wpa_s
->global
->ifaces
; group
; group
= group
->next
)
2426 struct wpa_ssid
*s
= group
->current_ssid
;
2428 s
->mode
== WPAS_MODE_P2P_GO
&&
2429 group_id_len
- ETH_ALEN
== s
->ssid_len
&&
2430 os_memcmp(group_id
+ ETH_ALEN
, s
->ssid
,
2436 if (pri_dev_type
== NULL
) {
2437 os_memset(empty_dev_type
, 0, sizeof(empty_dev_type
));
2438 pri_dev_type
= empty_dev_type
;
2440 res
= os_snprintf(params
, sizeof(params
), " p2p_dev_addr=" MACSTR
2441 " pri_dev_type=%s name='%s' config_methods=0x%x "
2442 "dev_capab=0x%x group_capab=0x%x%s%s",
2444 wps_dev_type_bin2str(pri_dev_type
, devtype
,
2446 dev_name
, supp_config_methods
, dev_capab
, group_capab
,
2447 group
? " group=" : "",
2448 group
? group
->ifname
: "");
2449 if (os_snprintf_error(sizeof(params
), res
))
2450 wpa_printf(MSG_DEBUG
, "P2P: PD Request event truncated");
2451 params
[sizeof(params
) - 1] = '\0';
2453 if (config_methods
& WPS_CONFIG_DISPLAY
) {
2454 generated_pin
= wps_generate_pin();
2455 wpas_prov_disc_local_display(wpa_s
, peer
, params
,
2457 } else if (config_methods
& WPS_CONFIG_KEYPAD
)
2458 wpas_prov_disc_local_keypad(wpa_s
, peer
, params
);
2459 else if (config_methods
& WPS_CONFIG_PUSHBUTTON
)
2460 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_PROV_DISC_PBC_REQ
2461 MACSTR
"%s", MAC2STR(peer
), params
);
2463 wpas_notify_p2p_provision_discovery(wpa_s
, peer
, 1 /* request */,
2464 P2P_PROV_DISC_SUCCESS
,
2465 config_methods
, generated_pin
);
2469 static void wpas_prov_disc_resp(void *ctx
, const u8
*peer
, u16 config_methods
)
2471 struct wpa_supplicant
*wpa_s
= ctx
;
2472 unsigned int generated_pin
= 0;
2475 if (wpa_s
->pending_pd_before_join
&&
2476 (os_memcmp(peer
, wpa_s
->pending_join_dev_addr
, ETH_ALEN
) == 0 ||
2477 os_memcmp(peer
, wpa_s
->pending_join_iface_addr
, ETH_ALEN
) == 0)) {
2478 wpa_s
->pending_pd_before_join
= 0;
2479 wpa_printf(MSG_DEBUG
, "P2P: Starting pending "
2480 "join-existing-group operation");
2481 wpas_p2p_join_start(wpa_s
, 0, NULL
, 0);
2485 if (wpa_s
->pending_pd_use
== AUTO_PD_JOIN
||
2486 wpa_s
->pending_pd_use
== AUTO_PD_GO_NEG
) {
2489 res
= os_snprintf(params
, sizeof(params
), " peer_go=%d",
2490 wpa_s
->pending_pd_use
== AUTO_PD_JOIN
);
2491 if (os_snprintf_error(sizeof(params
), res
))
2492 params
[sizeof(params
) - 1] = '\0';
2496 if (config_methods
& WPS_CONFIG_DISPLAY
)
2497 wpas_prov_disc_local_keypad(wpa_s
, peer
, params
);
2498 else if (config_methods
& WPS_CONFIG_KEYPAD
) {
2499 generated_pin
= wps_generate_pin();
2500 wpas_prov_disc_local_display(wpa_s
, peer
, params
,
2502 } else if (config_methods
& WPS_CONFIG_PUSHBUTTON
)
2503 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_PROV_DISC_PBC_RESP
2504 MACSTR
"%s", MAC2STR(peer
), params
);
2506 wpas_notify_p2p_provision_discovery(wpa_s
, peer
, 0 /* response */,
2507 P2P_PROV_DISC_SUCCESS
,
2508 config_methods
, generated_pin
);
2512 static void wpas_prov_disc_fail(void *ctx
, const u8
*peer
,
2513 enum p2p_prov_disc_status status
,
2514 u32 adv_id
, const u8
*adv_mac
,
2515 const char *deferred_session_resp
)
2517 struct wpa_supplicant
*wpa_s
= ctx
;
2519 if (wpa_s
->p2p_fallback_to_go_neg
) {
2520 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: PD for p2p_connect-auto "
2521 "failed - fall back to GO Negotiation");
2522 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
2523 P2P_EVENT_FALLBACK_TO_GO_NEG
2524 "reason=PD-failed");
2525 wpas_p2p_fallback_to_go_neg(wpa_s
, 0);
2529 if (status
== P2P_PROV_DISC_TIMEOUT_JOIN
) {
2530 wpa_s
->pending_pd_before_join
= 0;
2531 wpa_printf(MSG_DEBUG
, "P2P: Starting pending "
2532 "join-existing-group operation (no ACK for PD "
2534 wpas_p2p_join_start(wpa_s
, 0, NULL
, 0);
2538 if (adv_id
&& adv_mac
&& deferred_session_resp
) {
2539 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_PROV_DISC_FAILURE
2540 " p2p_dev_addr=" MACSTR
" status=%d adv_id=%x"
2541 " deferred_session_resp='%s'",
2542 MAC2STR(peer
), status
, adv_id
,
2543 deferred_session_resp
);
2544 } else if (adv_id
&& adv_mac
) {
2545 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_PROV_DISC_FAILURE
2546 " p2p_dev_addr=" MACSTR
" status=%d adv_id=%x",
2547 MAC2STR(peer
), status
, adv_id
);
2549 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_PROV_DISC_FAILURE
2550 " p2p_dev_addr=" MACSTR
" status=%d",
2551 MAC2STR(peer
), status
);
2554 wpas_notify_p2p_provision_discovery(wpa_s
, peer
, 0 /* response */,
2559 static int freq_included(const struct p2p_channels
*channels
, unsigned int freq
)
2561 if (channels
== NULL
)
2562 return 1; /* Assume no restrictions */
2563 return p2p_channels_includes_freq(channels
, freq
);
2569 * Pick the best frequency to use from all the currently used frequencies.
2571 static int wpas_p2p_pick_best_used_freq(struct wpa_supplicant
*wpa_s
,
2572 struct wpa_used_freq_data
*freqs
,
2577 /* find a candidate freq that is supported by P2P */
2578 for (c
= 0; c
< num
; c
++)
2579 if (p2p_supported_freq(wpa_s
->global
->p2p
, freqs
[c
].freq
))
2585 /* once we have a candidate, try to find a 'better' one */
2586 for (i
= c
+ 1; i
< num
; i
++) {
2587 if (!p2p_supported_freq(wpa_s
->global
->p2p
, freqs
[i
].freq
))
2591 * 1. Infrastructure station interfaces have higher preference.
2592 * 2. P2P Clients have higher preference.
2595 if (freqs
[i
].flags
& WPA_FREQ_USED_BY_INFRA_STATION
) {
2600 if ((freqs
[i
].flags
& WPA_FREQ_USED_BY_P2P_CLIENT
))
2603 return freqs
[c
].freq
;
2607 static u8
wpas_invitation_process(void *ctx
, const u8
*sa
, const u8
*bssid
,
2608 const u8
*go_dev_addr
, const u8
*ssid
,
2609 size_t ssid_len
, int *go
, u8
*group_bssid
,
2610 int *force_freq
, int persistent_group
,
2611 const struct p2p_channels
*channels
,
2614 struct wpa_supplicant
*wpa_s
= ctx
;
2616 struct wpa_used_freq_data
*freqs
;
2617 struct wpa_supplicant
*grp
;
2620 if (!persistent_group
) {
2621 wpa_printf(MSG_DEBUG
, "P2P: Invitation from " MACSTR
2622 " to join an active group (SSID: %s)",
2623 MAC2STR(sa
), wpa_ssid_txt(ssid
, ssid_len
));
2624 if (!is_zero_ether_addr(wpa_s
->p2p_auth_invite
) &&
2625 (os_memcmp(go_dev_addr
, wpa_s
->p2p_auth_invite
, ETH_ALEN
)
2627 os_memcmp(sa
, wpa_s
->p2p_auth_invite
, ETH_ALEN
) == 0)) {
2628 wpa_printf(MSG_DEBUG
, "P2P: Accept previously "
2629 "authorized invitation");
2633 #ifdef CONFIG_WPS_NFC
2634 if (dev_pw_id
>= 0 && wpa_s
->p2p_nfc_tag_enabled
&&
2635 dev_pw_id
== wpa_s
->p2p_oob_dev_pw_id
) {
2636 wpa_printf(MSG_DEBUG
, "P2P: Accept invitation based on local enabled NFC Tag");
2637 wpa_s
->p2p_wps_method
= WPS_NFC
;
2638 wpa_s
->pending_join_wps_method
= WPS_NFC
;
2639 os_memcpy(wpa_s
->pending_join_dev_addr
,
2640 go_dev_addr
, ETH_ALEN
);
2641 os_memcpy(wpa_s
->pending_join_iface_addr
,
2645 #endif /* CONFIG_WPS_NFC */
2648 * Do not accept the invitation automatically; notify user and
2651 return P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE
;
2654 grp
= wpas_get_p2p_group(wpa_s
, ssid
, ssid_len
, go
);
2656 wpa_printf(MSG_DEBUG
, "P2P: Accept invitation to already "
2657 "running persistent group");
2659 os_memcpy(group_bssid
, grp
->own_addr
, ETH_ALEN
);
2663 if (!is_zero_ether_addr(wpa_s
->p2p_auth_invite
) &&
2664 os_memcmp(sa
, wpa_s
->p2p_auth_invite
, ETH_ALEN
) == 0) {
2665 wpa_printf(MSG_DEBUG
, "P2P: Accept previously initiated "
2666 "invitation to re-invoke a persistent group");
2667 os_memset(wpa_s
->p2p_auth_invite
, 0, ETH_ALEN
);
2668 } else if (!wpa_s
->conf
->persistent_reconnect
)
2669 return P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE
;
2671 for (s
= wpa_s
->conf
->ssid
; s
; s
= s
->next
) {
2672 if (s
->disabled
== 2 &&
2673 os_memcmp(s
->bssid
, go_dev_addr
, ETH_ALEN
) == 0 &&
2674 s
->ssid_len
== ssid_len
&&
2675 os_memcmp(ssid
, s
->ssid
, ssid_len
) == 0)
2680 wpa_printf(MSG_DEBUG
, "P2P: Invitation from " MACSTR
2681 " requested reinvocation of an unknown group",
2683 return P2P_SC_FAIL_UNKNOWN_GROUP
;
2686 if (s
->mode
== WPAS_MODE_P2P_GO
&& !wpas_p2p_create_iface(wpa_s
)) {
2688 if (wpa_s
->wpa_state
>= WPA_AUTHENTICATING
) {
2689 wpa_printf(MSG_DEBUG
, "P2P: The only available "
2690 "interface is already in use - reject "
2692 return P2P_SC_FAIL_UNABLE_TO_ACCOMMODATE
;
2694 os_memcpy(group_bssid
, wpa_s
->own_addr
, ETH_ALEN
);
2695 } else if (s
->mode
== WPAS_MODE_P2P_GO
) {
2697 if (wpas_p2p_add_group_interface(wpa_s
, WPA_IF_P2P_GO
) < 0)
2699 wpa_printf(MSG_ERROR
, "P2P: Failed to allocate a new "
2700 "interface address for the group");
2701 return P2P_SC_FAIL_UNABLE_TO_ACCOMMODATE
;
2703 os_memcpy(group_bssid
, wpa_s
->pending_interface_addr
,
2708 wpas_p2p_set_own_freq_preference(wpa_s
, 0);
2711 freqs
= os_calloc(wpa_s
->num_multichan_concurrent
,
2712 sizeof(struct wpa_used_freq_data
));
2714 int num_channels
= wpa_s
->num_multichan_concurrent
;
2715 int num
= wpas_p2p_valid_oper_freqs(wpa_s
, freqs
, num_channels
);
2716 best_freq
= wpas_p2p_pick_best_used_freq(wpa_s
, freqs
, num
);
2720 /* Get one of the frequencies currently in use */
2721 if (best_freq
> 0) {
2722 wpa_printf(MSG_DEBUG
, "P2P: Trying to prefer a channel already used by one of the interfaces");
2723 wpas_p2p_set_own_freq_preference(wpa_s
, best_freq
);
2725 if (wpa_s
->num_multichan_concurrent
< 2 ||
2726 wpas_p2p_num_unused_channels(wpa_s
) < 1) {
2727 wpa_printf(MSG_DEBUG
, "P2P: No extra channels available - trying to force channel to match a channel already used by one of the interfaces");
2728 *force_freq
= best_freq
;
2732 if (*force_freq
> 0 && wpa_s
->num_multichan_concurrent
> 1 &&
2733 wpas_p2p_num_unused_channels(wpa_s
) > 0) {
2735 /* We are the client */
2736 wpa_printf(MSG_DEBUG
, "P2P: Peer was found to be "
2737 "running a GO but we are capable of MCC, "
2738 "figure out the best channel to use");
2740 } else if (!freq_included(channels
, *force_freq
)) {
2741 /* We are the GO, and *force_freq is not in the
2743 wpa_printf(MSG_DEBUG
, "P2P: Forced GO freq %d MHz not "
2744 "in intersection but we are capable of MCC, "
2745 "figure out the best channel to use",
2751 return P2P_SC_SUCCESS
;
2755 static void wpas_invitation_received(void *ctx
, const u8
*sa
, const u8
*bssid
,
2756 const u8
*ssid
, size_t ssid_len
,
2757 const u8
*go_dev_addr
, u8 status
,
2760 struct wpa_supplicant
*wpa_s
= ctx
;
2763 for (s
= wpa_s
->conf
->ssid
; s
; s
= s
->next
) {
2764 if (s
->disabled
== 2 &&
2765 s
->ssid_len
== ssid_len
&&
2766 os_memcmp(ssid
, s
->ssid
, ssid_len
) == 0)
2770 if (status
== P2P_SC_SUCCESS
) {
2771 wpa_printf(MSG_DEBUG
, "P2P: Invitation from peer " MACSTR
2772 " was accepted; op_freq=%d MHz, SSID=%s",
2773 MAC2STR(sa
), op_freq
, wpa_ssid_txt(ssid
, ssid_len
));
2775 int go
= s
->mode
== WPAS_MODE_P2P_GO
;
2776 wpas_p2p_group_add_persistent(
2777 wpa_s
, s
, go
, 0, op_freq
, 0, 0, NULL
,
2778 go
? P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE
: 0);
2780 wpa_s
->user_initiated_pd
= 0;
2781 wpas_p2p_join(wpa_s
, bssid
, go_dev_addr
,
2782 wpa_s
->p2p_wps_method
, 0, op_freq
,
2788 if (status
!= P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE
) {
2789 wpa_printf(MSG_DEBUG
, "P2P: Invitation from peer " MACSTR
2790 " was rejected (status %u)", MAC2STR(sa
), status
);
2796 wpa_msg_global(wpa_s
, MSG_INFO
,
2797 P2P_EVENT_INVITATION_RECEIVED
2798 "sa=" MACSTR
" go_dev_addr=" MACSTR
2799 " bssid=" MACSTR
" unknown-network",
2800 MAC2STR(sa
), MAC2STR(go_dev_addr
),
2803 wpa_msg_global(wpa_s
, MSG_INFO
,
2804 P2P_EVENT_INVITATION_RECEIVED
2805 "sa=" MACSTR
" go_dev_addr=" MACSTR
2807 MAC2STR(sa
), MAC2STR(go_dev_addr
));
2812 if (s
->mode
== WPAS_MODE_P2P_GO
&& op_freq
) {
2813 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_INVITATION_RECEIVED
2814 "sa=" MACSTR
" persistent=%d freq=%d",
2815 MAC2STR(sa
), s
->id
, op_freq
);
2817 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_INVITATION_RECEIVED
2818 "sa=" MACSTR
" persistent=%d",
2819 MAC2STR(sa
), s
->id
);
2824 static void wpas_remove_persistent_peer(struct wpa_supplicant
*wpa_s
,
2825 struct wpa_ssid
*ssid
,
2826 const u8
*peer
, int inv
)
2833 for (i
= 0; ssid
->p2p_client_list
&& i
< ssid
->num_p2p_clients
; i
++) {
2834 if (os_memcmp(ssid
->p2p_client_list
+ i
* 2 * ETH_ALEN
, peer
,
2838 if (i
>= ssid
->num_p2p_clients
|| !ssid
->p2p_client_list
) {
2839 if (ssid
->mode
!= WPAS_MODE_P2P_GO
&&
2840 os_memcmp(ssid
->bssid
, peer
, ETH_ALEN
) == 0) {
2841 wpa_printf(MSG_DEBUG
, "P2P: Remove persistent group %d "
2842 "due to invitation result", ssid
->id
);
2843 wpas_notify_network_removed(wpa_s
, ssid
);
2844 wpa_config_remove_network(wpa_s
->conf
, ssid
->id
);
2847 return; /* Peer not found in client list */
2850 wpa_printf(MSG_DEBUG
, "P2P: Remove peer " MACSTR
" from persistent "
2851 "group %d client list%s",
2852 MAC2STR(peer
), ssid
->id
,
2853 inv
? " due to invitation result" : "");
2854 os_memmove(ssid
->p2p_client_list
+ i
* 2 * ETH_ALEN
,
2855 ssid
->p2p_client_list
+ (i
+ 1) * 2 * ETH_ALEN
,
2856 (ssid
->num_p2p_clients
- i
- 1) * 2 * ETH_ALEN
);
2857 ssid
->num_p2p_clients
--;
2858 if (wpa_s
->parent
->conf
->update_config
&&
2859 wpa_config_write(wpa_s
->parent
->confname
, wpa_s
->parent
->conf
))
2860 wpa_printf(MSG_DEBUG
, "P2P: Failed to update configuration");
2864 static void wpas_remove_persistent_client(struct wpa_supplicant
*wpa_s
,
2867 struct wpa_ssid
*ssid
;
2869 wpa_s
= wpa_s
->global
->p2p_invite_group
;
2871 return; /* No known invitation group */
2872 ssid
= wpa_s
->current_ssid
;
2873 if (ssid
== NULL
|| ssid
->mode
!= WPAS_MODE_P2P_GO
||
2874 !ssid
->p2p_persistent_group
)
2875 return; /* Not operating as a GO in persistent group */
2876 ssid
= wpas_p2p_get_persistent(wpa_s
->parent
, peer
,
2877 ssid
->ssid
, ssid
->ssid_len
);
2878 wpas_remove_persistent_peer(wpa_s
, ssid
, peer
, 1);
2882 static void wpas_invitation_result(void *ctx
, int status
, const u8
*bssid
,
2883 const struct p2p_channels
*channels
,
2884 const u8
*peer
, int neg_freq
,
2887 struct wpa_supplicant
*wpa_s
= ctx
;
2888 struct wpa_ssid
*ssid
;
2892 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_INVITATION_RESULT
2893 "status=%d " MACSTR
,
2894 status
, MAC2STR(bssid
));
2896 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_INVITATION_RESULT
2897 "status=%d ", status
);
2899 wpas_notify_p2p_invitation_result(wpa_s
, status
, bssid
);
2901 wpa_printf(MSG_DEBUG
, "P2P: Invitation result - status=%d peer=" MACSTR
,
2902 status
, MAC2STR(peer
));
2903 if (wpa_s
->pending_invite_ssid_id
== -1) {
2904 if (status
== P2P_SC_FAIL_UNKNOWN_GROUP
)
2905 wpas_remove_persistent_client(wpa_s
, peer
);
2906 return; /* Invitation to active group */
2909 if (status
== P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE
) {
2910 wpa_printf(MSG_DEBUG
, "P2P: Waiting for peer to start another "
2911 "invitation exchange to indicate readiness for "
2915 if (status
!= P2P_SC_SUCCESS
) {
2916 if (status
== P2P_SC_FAIL_UNKNOWN_GROUP
) {
2917 ssid
= wpa_config_get_network(
2918 wpa_s
->conf
, wpa_s
->pending_invite_ssid_id
);
2919 wpas_remove_persistent_peer(wpa_s
, ssid
, peer
, 1);
2921 wpas_p2p_remove_pending_group_interface(wpa_s
);
2925 ssid
= wpa_config_get_network(wpa_s
->conf
,
2926 wpa_s
->pending_invite_ssid_id
);
2928 wpa_printf(MSG_ERROR
, "P2P: Could not find persistent group "
2929 "data matching with invitation");
2934 * The peer could have missed our ctrl::ack frame for Invitation
2935 * Response and continue retransmitting the frame. To reduce the
2936 * likelihood of the peer not getting successful TX status for the
2937 * Invitation Response frame, wait a short time here before starting
2938 * the persistent group so that we will remain on the current channel to
2939 * acknowledge any possible retransmission from the peer.
2941 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: 50 ms wait on current channel before "
2942 "starting persistent group");
2945 if (neg_freq
> 0 && ssid
->mode
== WPAS_MODE_P2P_GO
&&
2946 freq_included(channels
, neg_freq
))
2948 else if (peer_oper_freq
> 0 && ssid
->mode
!= WPAS_MODE_P2P_GO
&&
2949 freq_included(channels
, peer_oper_freq
))
2950 freq
= peer_oper_freq
;
2954 wpa_printf(MSG_DEBUG
, "P2P: Persistent group invitation success - op_freq=%d MHz SSID=%s",
2955 freq
, wpa_ssid_txt(ssid
->ssid
, ssid
->ssid_len
));
2956 wpas_p2p_group_add_persistent(wpa_s
, ssid
,
2957 ssid
->mode
== WPAS_MODE_P2P_GO
,
2958 wpa_s
->p2p_persistent_go_freq
,
2960 wpa_s
->p2p_go_ht40
, wpa_s
->p2p_go_vht
,
2962 ssid
->mode
== WPAS_MODE_P2P_GO
?
2963 P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE
:
2968 static int wpas_p2p_disallowed_freq(struct wpa_global
*global
,
2971 if (freq_range_list_includes(&global
->p2p_go_avoid_freq
, freq
))
2973 return freq_range_list_includes(&global
->p2p_disallow_freq
, freq
);
2977 static void wpas_p2p_add_chan(struct p2p_reg_class
*reg
, u8 chan
)
2979 reg
->channel
[reg
->channels
] = chan
;
2984 static int wpas_p2p_default_channels(struct wpa_supplicant
*wpa_s
,
2985 struct p2p_channels
*chan
,
2986 struct p2p_channels
*cli_chan
)
2990 wpa_s
->global
->p2p_24ghz_social_channels
= 1;
2992 os_memset(cli_chan
, 0, sizeof(*cli_chan
));
2994 wpa_printf(MSG_DEBUG
, "P2P: Enable operating classes for 2.4 GHz "
2997 /* Operating class 81 - 2.4 GHz band channels 1..13 */
2998 chan
->reg_class
[cla
].reg_class
= 81;
2999 chan
->reg_class
[cla
].channels
= 0;
3000 for (i
= 0; i
< 11; i
++) {
3001 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 2412 + i
* 5))
3002 wpas_p2p_add_chan(&chan
->reg_class
[cla
], i
+ 1);
3004 if (chan
->reg_class
[cla
].channels
)
3007 wpa_printf(MSG_DEBUG
, "P2P: Enable operating classes for lower 5 GHz "
3010 /* Operating class 115 - 5 GHz, channels 36-48 */
3011 chan
->reg_class
[cla
].reg_class
= 115;
3012 chan
->reg_class
[cla
].channels
= 0;
3013 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 5000 + 36 * 5))
3014 wpas_p2p_add_chan(&chan
->reg_class
[cla
], 36);
3015 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 5000 + 40 * 5))
3016 wpas_p2p_add_chan(&chan
->reg_class
[cla
], 40);
3017 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 5000 + 44 * 5))
3018 wpas_p2p_add_chan(&chan
->reg_class
[cla
], 44);
3019 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 5000 + 48 * 5))
3020 wpas_p2p_add_chan(&chan
->reg_class
[cla
], 48);
3021 if (chan
->reg_class
[cla
].channels
)
3024 wpa_printf(MSG_DEBUG
, "P2P: Enable operating classes for higher 5 GHz "
3027 /* Operating class 124 - 5 GHz, channels 149,153,157,161 */
3028 chan
->reg_class
[cla
].reg_class
= 124;
3029 chan
->reg_class
[cla
].channels
= 0;
3030 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 5000 + 149 * 5))
3031 wpas_p2p_add_chan(&chan
->reg_class
[cla
], 149);
3032 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 5000 + 153 * 5))
3033 wpas_p2p_add_chan(&chan
->reg_class
[cla
], 153);
3034 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 5000 + 156 * 5))
3035 wpas_p2p_add_chan(&chan
->reg_class
[cla
], 157);
3036 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 5000 + 161 * 5))
3037 wpas_p2p_add_chan(&chan
->reg_class
[cla
], 161);
3038 if (chan
->reg_class
[cla
].channels
)
3041 chan
->reg_classes
= cla
;
3046 static struct hostapd_hw_modes
* get_mode(struct hostapd_hw_modes
*modes
,
3048 enum hostapd_hw_mode mode
)
3052 for (i
= 0; i
< num_modes
; i
++) {
3053 if (modes
[i
].mode
== mode
)
3062 NOT_ALLOWED
, NO_IR
, ALLOWED
3065 static int has_channel(struct wpa_global
*global
,
3066 struct hostapd_hw_modes
*mode
, u8 chan
, int *flags
)
3071 freq
= (mode
->mode
== HOSTAPD_MODE_IEEE80211A
? 5000 : 2407) +
3073 if (wpas_p2p_disallowed_freq(global
, freq
))
3076 for (i
= 0; i
< mode
->num_channels
; i
++) {
3077 if (mode
->channels
[i
].chan
== chan
) {
3079 *flags
= mode
->channels
[i
].flag
;
3080 if (mode
->channels
[i
].flag
&
3081 (HOSTAPD_CHAN_DISABLED
|
3082 HOSTAPD_CHAN_RADAR
))
3084 if (mode
->channels
[i
].flag
& HOSTAPD_CHAN_NO_IR
)
3094 struct p2p_oper_class_map
{
3095 enum hostapd_hw_mode mode
;
3100 enum { BW20
, BW40PLUS
, BW40MINUS
, BW80
, BW2160
} bw
;
3103 static const struct p2p_oper_class_map op_class
[] = {
3104 { HOSTAPD_MODE_IEEE80211G
, 81, 1, 13, 1, BW20
},
3105 #if 0 /* Do not enable HT40 on 2 GHz for now */
3106 { HOSTAPD_MODE_IEEE80211G
, 83, 1, 9, 1, BW40PLUS
},
3107 { HOSTAPD_MODE_IEEE80211G
, 84, 5, 13, 1, BW40MINUS
},
3109 { HOSTAPD_MODE_IEEE80211A
, 115, 36, 48, 4, BW20
},
3110 { HOSTAPD_MODE_IEEE80211A
, 124, 149, 161, 4, BW20
},
3111 { HOSTAPD_MODE_IEEE80211A
, 116, 36, 44, 8, BW40PLUS
},
3112 { HOSTAPD_MODE_IEEE80211A
, 117, 40, 48, 8, BW40MINUS
},
3113 { HOSTAPD_MODE_IEEE80211A
, 126, 149, 157, 8, BW40PLUS
},
3114 { HOSTAPD_MODE_IEEE80211A
, 127, 153, 161, 8, BW40MINUS
},
3117 * IEEE P802.11ac/D7.0 Table E-4 actually talks about channel center
3118 * frequency index 42, 58, 106, 122, 138, 155 with channel spacing of
3119 * 80 MHz, but currently use the following definition for simplicity
3120 * (these center frequencies are not actual channels, which makes
3121 * has_channel() fail). wpas_p2p_verify_80mhz() should take care of
3122 * removing invalid channels.
3124 { HOSTAPD_MODE_IEEE80211A
, 128, 36, 161, 4, BW80
},
3125 { HOSTAPD_MODE_IEEE80211AD
, 180, 1, 4, 1, BW2160
},
3126 { -1, 0, 0, 0, 0, BW20
}
3130 static int wpas_p2p_get_center_80mhz(struct wpa_supplicant
*wpa_s
,
3131 struct hostapd_hw_modes
*mode
,
3134 u8 center_channels
[] = { 42, 58, 106, 122, 138, 155 };
3137 if (mode
->mode
!= HOSTAPD_MODE_IEEE80211A
)
3140 for (i
= 0; i
< ARRAY_SIZE(center_channels
); i
++)
3142 * In 80 MHz, the bandwidth "spans" 12 channels (e.g., 36-48),
3143 * so the center channel is 6 channels away from the start/end.
3145 if (channel
>= center_channels
[i
] - 6 &&
3146 channel
<= center_channels
[i
] + 6)
3147 return center_channels
[i
];
3153 static enum chan_allowed
wpas_p2p_verify_80mhz(struct wpa_supplicant
*wpa_s
,
3154 struct hostapd_hw_modes
*mode
,
3159 enum chan_allowed res
, ret
= ALLOWED
;
3161 center_chan
= wpas_p2p_get_center_80mhz(wpa_s
, mode
, channel
);
3164 if (center_chan
>= 58 && center_chan
<= 138)
3165 return NOT_ALLOWED
; /* Do not allow DFS channels for P2P */
3167 /* check all the channels are available */
3168 for (i
= 0; i
< 4; i
++) {
3169 int adj_chan
= center_chan
- 6 + i
* 4;
3171 res
= has_channel(wpa_s
->global
, mode
, adj_chan
, &flags
);
3172 if (res
== NOT_ALLOWED
)
3177 if (i
== 0 && !(flags
& HOSTAPD_CHAN_VHT_10_70
))
3179 if (i
== 1 && !(flags
& HOSTAPD_CHAN_VHT_30_50
))
3181 if (i
== 2 && !(flags
& HOSTAPD_CHAN_VHT_50_30
))
3183 if (i
== 3 && !(flags
& HOSTAPD_CHAN_VHT_70_10
))
3191 static enum chan_allowed
wpas_p2p_verify_channel(struct wpa_supplicant
*wpa_s
,
3192 struct hostapd_hw_modes
*mode
,
3196 enum chan_allowed res
, res2
;
3198 res2
= res
= has_channel(wpa_s
->global
, mode
, channel
, &flag
);
3199 if (bw
== BW40MINUS
) {
3200 if (!(flag
& HOSTAPD_CHAN_HT40MINUS
))
3202 res2
= has_channel(wpa_s
->global
, mode
, channel
- 4, NULL
);
3203 } else if (bw
== BW40PLUS
) {
3204 if (!(flag
& HOSTAPD_CHAN_HT40PLUS
))
3206 res2
= has_channel(wpa_s
->global
, mode
, channel
+ 4, NULL
);
3207 } else if (bw
== BW80
) {
3208 res2
= wpas_p2p_verify_80mhz(wpa_s
, mode
, channel
, bw
);
3211 if (res
== NOT_ALLOWED
|| res2
== NOT_ALLOWED
)
3213 if (res
== NO_IR
|| res2
== NO_IR
)
3219 static int wpas_p2p_setup_channels(struct wpa_supplicant
*wpa_s
,
3220 struct p2p_channels
*chan
,
3221 struct p2p_channels
*cli_chan
)
3223 struct hostapd_hw_modes
*mode
;
3224 int cla
, op
, cli_cla
;
3226 if (wpa_s
->hw
.modes
== NULL
) {
3227 wpa_printf(MSG_DEBUG
, "P2P: Driver did not support fetching "
3228 "of all supported channels; assume dualband "
3230 return wpas_p2p_default_channels(wpa_s
, chan
, cli_chan
);
3235 for (op
= 0; op_class
[op
].op_class
; op
++) {
3236 const struct p2p_oper_class_map
*o
= &op_class
[op
];
3238 struct p2p_reg_class
*reg
= NULL
, *cli_reg
= NULL
;
3240 mode
= get_mode(wpa_s
->hw
.modes
, wpa_s
->hw
.num_modes
, o
->mode
);
3243 if (mode
->mode
== HOSTAPD_MODE_IEEE80211G
)
3244 wpa_s
->global
->p2p_24ghz_social_channels
= 1;
3245 for (ch
= o
->min_chan
; ch
<= o
->max_chan
; ch
+= o
->inc
) {
3246 enum chan_allowed res
;
3247 res
= wpas_p2p_verify_channel(wpa_s
, mode
, ch
, o
->bw
);
3248 if (res
== ALLOWED
) {
3250 wpa_printf(MSG_DEBUG
, "P2P: Add operating class %u",
3252 reg
= &chan
->reg_class
[cla
];
3254 reg
->reg_class
= o
->op_class
;
3256 reg
->channel
[reg
->channels
] = ch
;
3258 } else if (res
== NO_IR
&&
3259 wpa_s
->conf
->p2p_add_cli_chan
) {
3260 if (cli_reg
== NULL
) {
3261 wpa_printf(MSG_DEBUG
, "P2P: Add operating class %u (client only)",
3263 cli_reg
= &cli_chan
->reg_class
[cli_cla
];
3265 cli_reg
->reg_class
= o
->op_class
;
3267 cli_reg
->channel
[cli_reg
->channels
] = ch
;
3268 cli_reg
->channels
++;
3272 wpa_hexdump(MSG_DEBUG
, "P2P: Channels",
3273 reg
->channel
, reg
->channels
);
3276 wpa_hexdump(MSG_DEBUG
, "P2P: Channels (client only)",
3277 cli_reg
->channel
, cli_reg
->channels
);
3281 chan
->reg_classes
= cla
;
3282 cli_chan
->reg_classes
= cli_cla
;
3288 int wpas_p2p_get_ht40_mode(struct wpa_supplicant
*wpa_s
,
3289 struct hostapd_hw_modes
*mode
, u8 channel
)
3292 enum chan_allowed ret
;
3294 for (op
= 0; op_class
[op
].op_class
; op
++) {
3295 const struct p2p_oper_class_map
*o
= &op_class
[op
];
3298 for (ch
= o
->min_chan
; ch
<= o
->max_chan
; ch
+= o
->inc
) {
3299 if (o
->mode
!= HOSTAPD_MODE_IEEE80211A
||
3300 o
->bw
== BW20
|| ch
!= channel
)
3302 ret
= wpas_p2p_verify_channel(wpa_s
, mode
, ch
, o
->bw
);
3304 return (o
->bw
== BW40MINUS
) ? -1 : 1;
3311 int wpas_p2p_get_vht80_center(struct wpa_supplicant
*wpa_s
,
3312 struct hostapd_hw_modes
*mode
, u8 channel
)
3314 if (!wpas_p2p_verify_channel(wpa_s
, mode
, channel
, BW80
))
3317 return wpas_p2p_get_center_80mhz(wpa_s
, mode
, channel
);
3321 static int wpas_get_noa(void *ctx
, const u8
*interface_addr
, u8
*buf
,
3324 struct wpa_supplicant
*wpa_s
= ctx
;
3326 for (wpa_s
= wpa_s
->global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
3327 if (os_memcmp(wpa_s
->own_addr
, interface_addr
, ETH_ALEN
) == 0)
3333 return wpa_drv_get_noa(wpa_s
, buf
, buf_len
);
3337 struct wpa_supplicant
* wpas_get_p2p_go_iface(struct wpa_supplicant
*wpa_s
,
3338 const u8
*ssid
, size_t ssid_len
)
3340 for (wpa_s
= wpa_s
->global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
3341 struct wpa_ssid
*s
= wpa_s
->current_ssid
;
3344 if (s
->mode
!= WPAS_MODE_P2P_GO
&&
3345 s
->mode
!= WPAS_MODE_AP
&&
3346 s
->mode
!= WPAS_MODE_P2P_GROUP_FORMATION
)
3348 if (s
->ssid_len
!= ssid_len
||
3349 os_memcmp(ssid
, s
->ssid
, ssid_len
) != 0)
3359 struct wpa_supplicant
* wpas_get_p2p_client_iface(struct wpa_supplicant
*wpa_s
,
3360 const u8
*peer_dev_addr
)
3362 for (wpa_s
= wpa_s
->global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
3363 struct wpa_ssid
*ssid
= wpa_s
->current_ssid
;
3366 if (ssid
->mode
!= WPAS_MODE_INFRA
)
3368 if (wpa_s
->wpa_state
!= WPA_COMPLETED
&&
3369 wpa_s
->wpa_state
!= WPA_GROUP_HANDSHAKE
)
3371 if (os_memcmp(wpa_s
->go_dev_addr
, peer_dev_addr
, ETH_ALEN
) == 0)
3379 static int wpas_go_connected(void *ctx
, const u8
*dev_addr
)
3381 struct wpa_supplicant
*wpa_s
= ctx
;
3383 return wpas_get_p2p_client_iface(wpa_s
, dev_addr
) != NULL
;
3387 static int wpas_is_concurrent_session_active(void *ctx
)
3389 struct wpa_supplicant
*wpa_s
= ctx
;
3390 struct wpa_supplicant
*ifs
;
3392 for (ifs
= wpa_s
->global
->ifaces
; ifs
; ifs
= ifs
->next
) {
3395 if (ifs
->wpa_state
> WPA_ASSOCIATED
)
3402 static void wpas_p2p_debug_print(void *ctx
, int level
, const char *msg
)
3404 struct wpa_supplicant
*wpa_s
= ctx
;
3405 wpa_msg_global(wpa_s
, level
, "P2P: %s", msg
);
3409 int wpas_p2p_add_p2pdev_interface(struct wpa_supplicant
*wpa_s
,
3410 const char *conf_p2p_dev
)
3412 struct wpa_interface iface
;
3413 struct wpa_supplicant
*p2pdev_wpa_s
;
3415 char force_name
[100];
3418 ret
= os_snprintf(ifname
, sizeof(ifname
), P2P_MGMT_DEVICE_PREFIX
"%s",
3420 if (os_snprintf_error(sizeof(ifname
), ret
))
3422 force_name
[0] = '\0';
3423 wpa_s
->pending_interface_type
= WPA_IF_P2P_DEVICE
;
3424 ret
= wpa_drv_if_add(wpa_s
, WPA_IF_P2P_DEVICE
, ifname
, NULL
, NULL
,
3425 force_name
, wpa_s
->pending_interface_addr
, NULL
);
3427 wpa_printf(MSG_DEBUG
, "P2P: Failed to create P2P Device interface");
3430 os_strlcpy(wpa_s
->pending_interface_name
, ifname
,
3431 sizeof(wpa_s
->pending_interface_name
));
3433 os_memset(&iface
, 0, sizeof(iface
));
3435 iface
.ifname
= wpa_s
->pending_interface_name
;
3436 iface
.driver
= wpa_s
->driver
->name
;
3437 iface
.driver_param
= wpa_s
->conf
->driver_param
;
3440 * If a P2P Device configuration file was given, use it as the interface
3441 * configuration file (instead of using parent's configuration file.
3444 iface
.confname
= conf_p2p_dev
;
3445 iface
.ctrl_interface
= NULL
;
3447 iface
.confname
= wpa_s
->confname
;
3448 iface
.ctrl_interface
= wpa_s
->conf
->ctrl_interface
;
3450 iface
.conf_p2p_dev
= NULL
;
3452 p2pdev_wpa_s
= wpa_supplicant_add_iface(wpa_s
->global
, &iface
, wpa_s
);
3453 if (!p2pdev_wpa_s
) {
3454 wpa_printf(MSG_DEBUG
, "P2P: Failed to add P2P Device interface");
3457 wpa_s
->p2p_dev
= p2pdev_wpa_s
;
3459 wpa_s
->pending_interface_name
[0] = '\0';
3464 static void wpas_presence_resp(void *ctx
, const u8
*src
, u8 status
,
3465 const u8
*noa
, size_t noa_len
)
3467 struct wpa_supplicant
*wpa_s
, *intf
= ctx
;
3470 for (wpa_s
= intf
->global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
3471 if (wpa_s
->waiting_presence_resp
)
3475 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: No group interface was waiting for presence response");
3478 wpa_s
->waiting_presence_resp
= 0;
3480 wpa_snprintf_hex(hex
, sizeof(hex
), noa
, noa_len
);
3481 wpa_msg(wpa_s
, MSG_INFO
, P2P_EVENT_PRESENCE_RESPONSE
"src=" MACSTR
3482 " status=%u noa=%s", MAC2STR(src
), status
, hex
);
3486 static int wpas_get_persistent_group(void *ctx
, const u8
*addr
, const u8
*ssid
,
3487 size_t ssid_len
, u8
*go_dev_addr
,
3488 u8
*ret_ssid
, size_t *ret_ssid_len
)
3490 struct wpa_supplicant
*wpa_s
= ctx
;
3493 s
= wpas_p2p_get_persistent(wpa_s
, addr
, ssid
, ssid_len
);
3495 os_memcpy(ret_ssid
, s
->ssid
, s
->ssid_len
);
3496 *ret_ssid_len
= s
->ssid_len
;
3497 os_memcpy(go_dev_addr
, s
->bssid
, ETH_ALEN
);
3505 static int wpas_get_go_info(void *ctx
, u8
*intended_addr
,
3506 u8
*ssid
, size_t *ssid_len
, int *group_iface
)
3508 struct wpa_supplicant
*wpa_s
= ctx
;
3512 s
= wpas_p2p_group_go_ssid(wpa_s
, bssid
);
3514 s
= wpas_p2p_get_persistent_go(wpa_s
);
3516 os_memcpy(bssid
, s
->bssid
, ETH_ALEN
);
3519 *group_iface
= wpas_p2p_create_iface(wpa_s
);
3523 os_memcpy(intended_addr
, bssid
, ETH_ALEN
);
3524 os_memcpy(ssid
, s
->ssid
, s
->ssid_len
);
3525 *ssid_len
= s
->ssid_len
;
3531 static int wpas_remove_stale_groups(void *ctx
, const u8
*peer
, const u8
*go
,
3532 const u8
*ssid
, size_t ssid_len
)
3534 struct wpa_supplicant
*wpa_s
= ctx
;
3536 int save_config
= 0;
3539 /* Start with our first choice of Persistent Groups */
3540 while ((s
= wpas_p2p_get_persistent(wpa_s
, peer
, NULL
, 0))) {
3541 if (go
&& ssid
&& ssid_len
&&
3542 s
->ssid_len
== ssid_len
&&
3543 os_memcmp(go
, s
->bssid
, ETH_ALEN
) == 0 &&
3544 os_memcmp(ssid
, s
->ssid
, ssid_len
) == 0)
3547 /* Remove stale persistent group */
3548 if (s
->mode
!= WPAS_MODE_P2P_GO
|| s
->num_p2p_clients
<= 1) {
3549 wpa_config_remove_network(wpa_s
->conf
, s
->id
);
3554 for (i
= 0; i
< s
->num_p2p_clients
; i
++) {
3555 if (os_memcmp(s
->p2p_client_list
+ i
* 2 * ETH_ALEN
,
3556 peer
, ETH_ALEN
) != 0)
3559 os_memmove(s
->p2p_client_list
+ i
* 2 * ETH_ALEN
,
3560 s
->p2p_client_list
+ (i
+ 1) * 2 * ETH_ALEN
,
3561 (s
->num_p2p_clients
- i
- 1) * 2 * ETH_ALEN
);
3564 s
->num_p2p_clients
--;
3569 p2p_config_write(wpa_s
);
3571 /* Return TRUE if valid SSID remains */
3576 static void wpas_p2ps_prov_complete(void *ctx
, u8 status
, const u8
*dev
,
3577 const u8
*adv_mac
, const u8
*ses_mac
,
3578 const u8
*grp_mac
, u32 adv_id
, u32 ses_id
,
3579 u8 conncap
, int passwd_id
,
3580 const u8
*persist_ssid
,
3581 size_t persist_ssid_size
, int response_done
,
3582 int prov_start
, const char *session_info
)
3584 struct wpa_supplicant
*wpa_s
= ctx
;
3586 struct wpa_ssid
*persistent_go
, *stale
, *s
;
3587 int save_config
= 0;
3588 struct wpa_supplicant
*go_wpa_s
;
3593 os_memset(mac
, 0, ETH_ALEN
);
3602 if (session_info
== NULL
) {
3603 wpa_msg_global(wpa_s
, MSG_INFO
,
3604 P2P_EVENT_P2PS_PROVISION_START MACSTR
3605 " adv_id=%x conncap=%x"
3607 " session=%x mac=" MACSTR
3608 " dev_passwd_id=%d",
3609 MAC2STR(dev
), adv_id
, conncap
,
3611 ses_id
, MAC2STR(ses_mac
),
3614 wpa_msg_global(wpa_s
, MSG_INFO
,
3615 P2P_EVENT_P2PS_PROVISION_START MACSTR
3616 " adv_id=%x conncap=%x"
3618 " session=%x mac=" MACSTR
3619 " dev_passwd_id=%d info='%s'",
3620 MAC2STR(dev
), adv_id
, conncap
,
3622 ses_id
, MAC2STR(ses_mac
),
3623 passwd_id
, session_info
);
3628 go_wpa_s
= wpas_p2p_get_go_group(wpa_s
);
3629 persistent_go
= wpas_p2p_get_persistent_go(wpa_s
);
3631 if (status
&& status
!= P2P_SC_SUCCESS_DEFERRED
) {
3632 if (go_wpa_s
&& !p2p_group_go_member_count(wpa_s
))
3633 wpas_p2p_group_remove(wpa_s
, go_wpa_s
->ifname
);
3635 if (persistent_go
&& !persistent_go
->num_p2p_clients
) {
3636 /* remove empty persistent GO */
3637 wpa_config_remove_network(wpa_s
->conf
,
3641 wpa_msg_global(wpa_s
, MSG_INFO
,
3642 P2P_EVENT_P2PS_PROVISION_DONE MACSTR
3644 " adv_id=%x adv_mac=" MACSTR
3645 " session=%x mac=" MACSTR
,
3646 MAC2STR(dev
), status
,
3647 adv_id
, MAC2STR(adv_mac
),
3648 ses_id
, MAC2STR(ses_mac
));
3652 /* Clean up stale persistent groups with this device */
3653 s
= wpas_p2p_get_persistent(wpa_s
, dev
, persist_ssid
,
3656 stale
= wpas_p2p_get_persistent(wpa_s
, dev
, NULL
, 0);
3660 if (s
&& s
->ssid_len
== stale
->ssid_len
&&
3661 os_memcmp(stale
->bssid
, s
->bssid
, ETH_ALEN
) == 0 &&
3662 os_memcmp(stale
->ssid
, s
->ssid
, s
->ssid_len
) == 0)
3665 /* Remove stale persistent group */
3666 if (stale
->mode
!= WPAS_MODE_P2P_GO
||
3667 stale
->num_p2p_clients
<= 1) {
3668 wpa_config_remove_network(wpa_s
->conf
, stale
->id
);
3672 for (i
= 0; i
< stale
->num_p2p_clients
; i
++) {
3673 if (os_memcmp(stale
->p2p_client_list
+
3675 dev
, ETH_ALEN
) == 0) {
3676 os_memmove(stale
->p2p_client_list
+
3678 stale
->p2p_client_list
+
3680 (stale
->num_p2p_clients
-
3685 stale
->num_p2p_clients
--;
3691 p2p_config_write(wpa_s
);
3694 if (go_wpa_s
&& !p2p_group_go_member_count(wpa_s
))
3695 wpas_p2p_group_remove(wpa_s
, go_wpa_s
->ifname
);
3697 if (persistent_go
&& s
!= persistent_go
&&
3698 !persistent_go
->num_p2p_clients
) {
3699 /* remove empty persistent GO */
3700 wpa_config_remove_network(wpa_s
->conf
,
3705 wpa_msg_global(wpa_s
, MSG_INFO
,
3706 P2P_EVENT_P2PS_PROVISION_DONE MACSTR
3708 " adv_id=%x adv_mac=" MACSTR
3709 " session=%x mac=" MACSTR
3711 MAC2STR(dev
), status
,
3712 adv_id
, MAC2STR(adv_mac
),
3713 ses_id
, MAC2STR(ses_mac
), s
->id
);
3717 if (conncap
== P2PS_SETUP_GROUP_OWNER
) {
3718 const char *go_ifname
= NULL
;
3720 wpa_s
->global
->pending_p2ps_group
= 1;
3722 if (wpa_s
->conf
->p2p_no_group_iface
)
3723 go_ifname
= wpa_s
->ifname
;
3724 else if (wpa_s
->pending_interface_name
[0])
3725 go_ifname
= wpa_s
->pending_interface_name
;
3728 wpas_p2ps_prov_complete(
3729 wpa_s
, P2P_SC_FAIL_UNKNOWN_GROUP
,
3730 dev
, adv_mac
, ses_mac
,
3731 NULL
, adv_id
, ses_id
, 0, 0,
3732 NULL
, 0, 0, 0, NULL
);
3736 /* If PD Resp complete, start up the GO */
3737 if (response_done
&& persistent_go
) {
3738 wpas_p2p_group_add_persistent(
3739 wpa_s
, persistent_go
,
3740 0, 0, 0, 0, 0, NULL
,
3741 persistent_go
->mode
==
3743 P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE
:
3745 } else if (response_done
) {
3746 wpas_p2p_group_add(wpa_s
, 1, 0, 0, 0);
3749 if (passwd_id
== DEV_PW_P2PS_DEFAULT
) {
3750 os_memcpy(wpa_s
->p2ps_join_addr
, dev
, ETH_ALEN
);
3751 wpa_s
->p2ps_join_addr_valid
= 1;
3752 wpa_dbg(wpa_s
, MSG_DEBUG
,
3753 "P2PS: Saving PIN for " MACSTR
,
3756 } else if (passwd_id
== DEV_PW_P2PS_DEFAULT
) {
3757 go_ifname
= go_wpa_s
->ifname
;
3759 wpa_dbg(go_wpa_s
, MSG_DEBUG
,
3760 "P2P: Setting PIN-1 For " MACSTR
, MAC2STR(dev
));
3761 wpa_supplicant_ap_wps_pin(go_wpa_s
, dev
, "12345670",
3764 os_memcpy(wpa_s
->p2ps_join_addr
, dev
, ETH_ALEN
);
3765 wpa_s
->p2ps_join_addr_valid
= 1;
3766 wpa_dbg(wpa_s
, MSG_DEBUG
,
3767 "P2PS: Saving PIN for " MACSTR
, MAC2STR(dev
));
3770 wpa_msg_global(wpa_s
, MSG_INFO
,
3771 P2P_EVENT_P2PS_PROVISION_DONE MACSTR
3772 " status=%d conncap=%x"
3773 " adv_id=%x adv_mac=" MACSTR
3774 " session=%x mac=" MACSTR
3775 " dev_passwd_id=%d go=%s",
3776 MAC2STR(dev
), status
, conncap
,
3777 adv_id
, MAC2STR(adv_mac
),
3778 ses_id
, MAC2STR(ses_mac
),
3779 passwd_id
, go_ifname
);
3783 if (go_wpa_s
&& !p2p_group_go_member_count(wpa_s
))
3784 wpas_p2p_group_remove(wpa_s
, go_wpa_s
->ifname
);
3786 if (persistent_go
&& !persistent_go
->num_p2p_clients
) {
3787 /* remove empty persistent GO */
3788 wpa_config_remove_network(wpa_s
->conf
, persistent_go
->id
);
3791 if (conncap
== P2PS_SETUP_CLIENT
) {
3792 wpa_msg_global(wpa_s
, MSG_INFO
,
3793 P2P_EVENT_P2PS_PROVISION_DONE MACSTR
3794 " status=%d conncap=%x"
3795 " adv_id=%x adv_mac=" MACSTR
3796 " session=%x mac=" MACSTR
3797 " dev_passwd_id=%d join=" MACSTR
,
3798 MAC2STR(dev
), status
, conncap
,
3799 adv_id
, MAC2STR(adv_mac
),
3800 ses_id
, MAC2STR(ses_mac
),
3801 passwd_id
, MAC2STR(grp_mac
));
3803 wpa_msg_global(wpa_s
, MSG_INFO
,
3804 P2P_EVENT_P2PS_PROVISION_DONE MACSTR
3805 " status=%d conncap=%x"
3806 " adv_id=%x adv_mac=" MACSTR
3807 " session=%x mac=" MACSTR
3808 " dev_passwd_id=%d",
3809 MAC2STR(dev
), status
, conncap
,
3810 adv_id
, MAC2STR(adv_mac
),
3811 ses_id
, MAC2STR(ses_mac
),
3817 static int _wpas_p2p_in_progress(void *ctx
)
3819 struct wpa_supplicant
*wpa_s
= ctx
;
3820 return wpas_p2p_in_progress(wpa_s
);
3824 static int wpas_prov_disc_resp_cb(void *ctx
)
3826 struct wpa_supplicant
*wpa_s
= ctx
;
3827 struct wpa_ssid
*persistent_go
;
3829 if (!wpa_s
->global
->pending_p2ps_group
)
3832 wpa_s
->global
->pending_p2ps_group
= 0;
3834 if (wpas_p2p_get_go_group(wpa_s
))
3836 persistent_go
= wpas_p2p_get_persistent_go(wpa_s
);
3838 if (persistent_go
) {
3839 wpas_p2p_group_add_persistent(
3840 wpa_s
, persistent_go
, 0, 0, 0, 0, 0, NULL
,
3841 persistent_go
->mode
== WPAS_MODE_P2P_GO
?
3842 P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE
: 0);
3844 wpas_p2p_group_add(wpa_s
, 1, 0, 0, 0);
3852 * wpas_p2p_init - Initialize P2P module for %wpa_supplicant
3853 * @global: Pointer to global data from wpa_supplicant_init()
3854 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
3855 * Returns: 0 on success, -1 on failure
3857 int wpas_p2p_init(struct wpa_global
*global
, struct wpa_supplicant
*wpa_s
)
3859 struct p2p_config p2p
;
3862 if (wpa_s
->conf
->p2p_disabled
)
3865 if (!(wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_P2P_CAPABLE
))
3871 os_memset(&p2p
, 0, sizeof(p2p
));
3873 p2p
.debug_print
= wpas_p2p_debug_print
;
3874 p2p
.p2p_scan
= wpas_p2p_scan
;
3875 p2p
.send_action
= wpas_send_action
;
3876 p2p
.send_action_done
= wpas_send_action_done
;
3877 p2p
.go_neg_completed
= wpas_go_neg_completed
;
3878 p2p
.go_neg_req_rx
= wpas_go_neg_req_rx
;
3879 p2p
.dev_found
= wpas_dev_found
;
3880 p2p
.dev_lost
= wpas_dev_lost
;
3881 p2p
.find_stopped
= wpas_find_stopped
;
3882 p2p
.start_listen
= wpas_start_listen
;
3883 p2p
.stop_listen
= wpas_stop_listen
;
3884 p2p
.send_probe_resp
= wpas_send_probe_resp
;
3885 p2p
.sd_request
= wpas_sd_request
;
3886 p2p
.sd_response
= wpas_sd_response
;
3887 p2p
.prov_disc_req
= wpas_prov_disc_req
;
3888 p2p
.prov_disc_resp
= wpas_prov_disc_resp
;
3889 p2p
.prov_disc_fail
= wpas_prov_disc_fail
;
3890 p2p
.invitation_process
= wpas_invitation_process
;
3891 p2p
.invitation_received
= wpas_invitation_received
;
3892 p2p
.invitation_result
= wpas_invitation_result
;
3893 p2p
.get_noa
= wpas_get_noa
;
3894 p2p
.go_connected
= wpas_go_connected
;
3895 p2p
.presence_resp
= wpas_presence_resp
;
3896 p2p
.is_concurrent_session_active
= wpas_is_concurrent_session_active
;
3897 p2p
.is_p2p_in_progress
= _wpas_p2p_in_progress
;
3898 p2p
.get_persistent_group
= wpas_get_persistent_group
;
3899 p2p
.get_go_info
= wpas_get_go_info
;
3900 p2p
.remove_stale_groups
= wpas_remove_stale_groups
;
3901 p2p
.p2ps_prov_complete
= wpas_p2ps_prov_complete
;
3902 p2p
.prov_disc_resp_cb
= wpas_prov_disc_resp_cb
;
3903 p2p
.p2ps_group_capability
= p2ps_group_capability
;
3905 os_memcpy(wpa_s
->global
->p2p_dev_addr
, wpa_s
->own_addr
, ETH_ALEN
);
3906 os_memcpy(p2p
.dev_addr
, wpa_s
->global
->p2p_dev_addr
, ETH_ALEN
);
3907 p2p
.dev_name
= wpa_s
->conf
->device_name
;
3908 p2p
.manufacturer
= wpa_s
->conf
->manufacturer
;
3909 p2p
.model_name
= wpa_s
->conf
->model_name
;
3910 p2p
.model_number
= wpa_s
->conf
->model_number
;
3911 p2p
.serial_number
= wpa_s
->conf
->serial_number
;
3913 os_memcpy(p2p
.uuid
, wpa_s
->wps
->uuid
, 16);
3914 p2p
.config_methods
= wpa_s
->wps
->config_methods
;
3917 if (wpas_p2p_setup_channels(wpa_s
, &p2p
.channels
, &p2p
.cli_channels
)) {
3918 wpa_printf(MSG_ERROR
,
3919 "P2P: Failed to configure supported channel list");
3923 if (wpa_s
->conf
->p2p_listen_reg_class
&&
3924 wpa_s
->conf
->p2p_listen_channel
) {
3925 p2p
.reg_class
= wpa_s
->conf
->p2p_listen_reg_class
;
3926 p2p
.channel
= wpa_s
->conf
->p2p_listen_channel
;
3927 p2p
.channel_forced
= 1;
3930 * Pick one of the social channels randomly as the listen
3933 if (p2p_config_get_random_social(&p2p
, &p2p
.reg_class
,
3934 &p2p
.channel
) != 0) {
3935 wpa_printf(MSG_INFO
,
3936 "P2P: No social channels supported by the driver - do not enable P2P");
3939 p2p
.channel_forced
= 0;
3941 wpa_printf(MSG_DEBUG
, "P2P: Own listen channel: %d:%d",
3942 p2p
.reg_class
, p2p
.channel
);
3944 if (wpa_s
->conf
->p2p_oper_reg_class
&&
3945 wpa_s
->conf
->p2p_oper_channel
) {
3946 p2p
.op_reg_class
= wpa_s
->conf
->p2p_oper_reg_class
;
3947 p2p
.op_channel
= wpa_s
->conf
->p2p_oper_channel
;
3948 p2p
.cfg_op_channel
= 1;
3949 wpa_printf(MSG_DEBUG
, "P2P: Configured operating channel: "
3950 "%d:%d", p2p
.op_reg_class
, p2p
.op_channel
);
3954 * Use random operation channel from 2.4 GHz band social
3955 * channels (1, 6, 11) or band 60 GHz social channel (2) if no
3956 * other preference is indicated.
3958 if (p2p_config_get_random_social(&p2p
, &p2p
.op_reg_class
,
3959 &p2p
.op_channel
) != 0) {
3960 wpa_printf(MSG_ERROR
,
3961 "P2P: Failed to select random social channel as operation channel");
3964 p2p
.cfg_op_channel
= 0;
3965 wpa_printf(MSG_DEBUG
, "P2P: Random operating channel: "
3966 "%d:%d", p2p
.op_reg_class
, p2p
.op_channel
);
3969 if (wpa_s
->conf
->p2p_pref_chan
&& wpa_s
->conf
->num_p2p_pref_chan
) {
3970 p2p
.pref_chan
= wpa_s
->conf
->p2p_pref_chan
;
3971 p2p
.num_pref_chan
= wpa_s
->conf
->num_p2p_pref_chan
;
3974 if (wpa_s
->conf
->country
[0] && wpa_s
->conf
->country
[1]) {
3975 os_memcpy(p2p
.country
, wpa_s
->conf
->country
, 2);
3976 p2p
.country
[2] = 0x04;
3978 os_memcpy(p2p
.country
, "XX\x04", 3);
3980 os_memcpy(p2p
.pri_dev_type
, wpa_s
->conf
->device_type
,
3983 p2p
.num_sec_dev_types
= wpa_s
->conf
->num_sec_device_types
;
3984 os_memcpy(p2p
.sec_dev_type
, wpa_s
->conf
->sec_device_type
,
3985 p2p
.num_sec_dev_types
* WPS_DEV_TYPE_LEN
);
3987 p2p
.concurrent_operations
= !!(wpa_s
->drv_flags
&
3988 WPA_DRIVER_FLAGS_P2P_CONCURRENT
);
3990 p2p
.max_peers
= 100;
3992 if (wpa_s
->conf
->p2p_ssid_postfix
) {
3993 p2p
.ssid_postfix_len
=
3994 os_strlen(wpa_s
->conf
->p2p_ssid_postfix
);
3995 if (p2p
.ssid_postfix_len
> sizeof(p2p
.ssid_postfix
))
3996 p2p
.ssid_postfix_len
= sizeof(p2p
.ssid_postfix
);
3997 os_memcpy(p2p
.ssid_postfix
, wpa_s
->conf
->p2p_ssid_postfix
,
3998 p2p
.ssid_postfix_len
);
4001 p2p
.p2p_intra_bss
= wpa_s
->conf
->p2p_intra_bss
;
4003 p2p
.max_listen
= wpa_s
->max_remain_on_chan
;
4005 if (wpa_s
->conf
->p2p_passphrase_len
>= 8 &&
4006 wpa_s
->conf
->p2p_passphrase_len
<= 63)
4007 p2p
.passphrase_len
= wpa_s
->conf
->p2p_passphrase_len
;
4009 p2p
.passphrase_len
= 8;
4011 global
->p2p
= p2p_init(&p2p
);
4012 if (global
->p2p
== NULL
)
4014 global
->p2p_init_wpa_s
= wpa_s
;
4016 for (i
= 0; i
< MAX_WPS_VENDOR_EXT
; i
++) {
4017 if (wpa_s
->conf
->wps_vendor_ext
[i
] == NULL
)
4019 p2p_add_wps_vendor_extension(
4020 global
->p2p
, wpa_s
->conf
->wps_vendor_ext
[i
]);
4023 p2p_set_no_go_freq(global
->p2p
, &wpa_s
->conf
->p2p_no_go_freq
);
4030 * wpas_p2p_deinit - Deinitialize per-interface P2P data
4031 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
4033 * This function deinitialize per-interface P2P data.
4035 void wpas_p2p_deinit(struct wpa_supplicant
*wpa_s
)
4037 if (wpa_s
->driver
&& wpa_s
->drv_priv
)
4038 wpa_drv_probe_req_report(wpa_s
, 0);
4040 if (wpa_s
->go_params
) {
4041 /* Clear any stored provisioning info */
4042 p2p_clear_provisioning_info(
4044 wpa_s
->go_params
->peer_device_addr
);
4047 os_free(wpa_s
->go_params
);
4048 wpa_s
->go_params
= NULL
;
4049 eloop_cancel_timeout(wpas_p2p_psk_failure_removal
, wpa_s
, NULL
);
4050 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
, wpa_s
, NULL
);
4051 eloop_cancel_timeout(wpas_p2p_join_scan
, wpa_s
, NULL
);
4052 wpa_s
->p2p_long_listen
= 0;
4053 eloop_cancel_timeout(wpas_p2p_long_listen_timeout
, wpa_s
, NULL
);
4054 eloop_cancel_timeout(wpas_p2p_group_idle_timeout
, wpa_s
, NULL
);
4055 wpas_p2p_remove_pending_group_interface(wpa_s
);
4056 eloop_cancel_timeout(wpas_p2p_group_freq_conflict
, wpa_s
, NULL
);
4057 wpas_p2p_listen_work_done(wpa_s
);
4058 if (wpa_s
->p2p_send_action_work
) {
4059 os_free(wpa_s
->p2p_send_action_work
->ctx
);
4060 radio_work_done(wpa_s
->p2p_send_action_work
);
4061 wpa_s
->p2p_send_action_work
= NULL
;
4063 eloop_cancel_timeout(wpas_p2p_send_action_work_timeout
, wpa_s
, NULL
);
4065 wpabuf_free(wpa_s
->p2p_oob_dev_pw
);
4066 wpa_s
->p2p_oob_dev_pw
= NULL
;
4068 os_free(wpa_s
->p2p_group_common_freqs
);
4069 wpa_s
->p2p_group_common_freqs
= NULL
;
4070 wpa_s
->p2p_group_common_freqs_num
= 0;
4072 /* TODO: remove group interface from the driver if this wpa_s instance
4073 * is on top of a P2P group interface */
4078 * wpas_p2p_deinit_global - Deinitialize global P2P module
4079 * @global: Pointer to global data from wpa_supplicant_init()
4081 * This function deinitializes the global (per device) P2P module.
4083 static void wpas_p2p_deinit_global(struct wpa_global
*global
)
4085 struct wpa_supplicant
*wpa_s
, *tmp
;
4087 wpa_s
= global
->ifaces
;
4089 wpas_p2p_service_flush(global
->p2p_init_wpa_s
);
4091 /* Remove remaining P2P group interfaces */
4092 while (wpa_s
&& wpa_s
->p2p_group_interface
!= NOT_P2P_GROUP_INTERFACE
)
4093 wpa_s
= wpa_s
->next
;
4095 tmp
= global
->ifaces
;
4098 tmp
->p2p_group_interface
== NOT_P2P_GROUP_INTERFACE
)) {
4103 /* Disconnect from the P2P group and deinit the interface */
4104 wpas_p2p_disconnect(tmp
);
4108 * Deinit GO data on any possibly remaining interface (if main
4109 * interface is used as GO).
4111 for (wpa_s
= global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
4112 if (wpa_s
->ap_iface
)
4113 wpas_p2p_group_deinit(wpa_s
);
4116 p2p_deinit(global
->p2p
);
4118 global
->p2p_init_wpa_s
= NULL
;
4122 static int wpas_p2p_create_iface(struct wpa_supplicant
*wpa_s
)
4124 if (!(wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE
) &&
4125 wpa_s
->conf
->p2p_no_group_iface
)
4126 return 0; /* separate interface disabled per configuration */
4127 if (wpa_s
->drv_flags
&
4128 (WPA_DRIVER_FLAGS_P2P_DEDICATED_INTERFACE
|
4129 WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P
))
4130 return 1; /* P2P group requires a new interface in every case
4132 if (!(wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_P2P_CONCURRENT
))
4133 return 0; /* driver does not support concurrent operations */
4134 if (wpa_s
->global
->ifaces
->next
)
4135 return 1; /* more that one interface already in use */
4136 if (wpa_s
->wpa_state
>= WPA_AUTHENTICATING
)
4137 return 1; /* this interface is already in use */
4142 static int wpas_p2p_start_go_neg(struct wpa_supplicant
*wpa_s
,
4143 const u8
*peer_addr
,
4144 enum p2p_wps_method wps_method
,
4145 int go_intent
, const u8
*own_interface_addr
,
4146 unsigned int force_freq
, int persistent_group
,
4147 struct wpa_ssid
*ssid
, unsigned int pref_freq
)
4149 if (persistent_group
&& wpa_s
->conf
->persistent_reconnect
)
4150 persistent_group
= 2;
4153 * Increase GO config timeout if HT40 is used since it takes some time
4154 * to scan channels for coex purposes before the BSS can be started.
4156 p2p_set_config_timeout(wpa_s
->global
->p2p
,
4157 wpa_s
->p2p_go_ht40
? 255 : 100, 20);
4159 return p2p_connect(wpa_s
->global
->p2p
, peer_addr
, wps_method
,
4160 go_intent
, own_interface_addr
, force_freq
,
4161 persistent_group
, ssid
? ssid
->ssid
: NULL
,
4162 ssid
? ssid
->ssid_len
: 0,
4163 wpa_s
->p2p_pd_before_go_neg
, pref_freq
,
4164 wps_method
== WPS_NFC
? wpa_s
->p2p_oob_dev_pw_id
:
4169 static int wpas_p2p_auth_go_neg(struct wpa_supplicant
*wpa_s
,
4170 const u8
*peer_addr
,
4171 enum p2p_wps_method wps_method
,
4172 int go_intent
, const u8
*own_interface_addr
,
4173 unsigned int force_freq
, int persistent_group
,
4174 struct wpa_ssid
*ssid
, unsigned int pref_freq
)
4176 if (persistent_group
&& wpa_s
->conf
->persistent_reconnect
)
4177 persistent_group
= 2;
4179 return p2p_authorize(wpa_s
->global
->p2p
, peer_addr
, wps_method
,
4180 go_intent
, own_interface_addr
, force_freq
,
4181 persistent_group
, ssid
? ssid
->ssid
: NULL
,
4182 ssid
? ssid
->ssid_len
: 0, pref_freq
,
4183 wps_method
== WPS_NFC
? wpa_s
->p2p_oob_dev_pw_id
:
4188 static void wpas_p2p_check_join_scan_limit(struct wpa_supplicant
*wpa_s
)
4190 wpa_s
->p2p_join_scan_count
++;
4191 wpa_printf(MSG_DEBUG
, "P2P: Join scan attempt %d",
4192 wpa_s
->p2p_join_scan_count
);
4193 if (wpa_s
->p2p_join_scan_count
> P2P_MAX_JOIN_SCAN_ATTEMPTS
) {
4194 wpa_printf(MSG_DEBUG
, "P2P: Failed to find GO " MACSTR
4195 " for join operationg - stop join attempt",
4196 MAC2STR(wpa_s
->pending_join_iface_addr
));
4197 eloop_cancel_timeout(wpas_p2p_join_scan
, wpa_s
, NULL
);
4198 if (wpa_s
->p2p_auto_pd
) {
4199 wpa_s
->p2p_auto_pd
= 0;
4200 wpa_msg_global(wpa_s
, MSG_INFO
,
4201 P2P_EVENT_PROV_DISC_FAILURE
4202 " p2p_dev_addr=" MACSTR
" status=N/A",
4203 MAC2STR(wpa_s
->pending_join_dev_addr
));
4206 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
4207 P2P_EVENT_GROUP_FORMATION_FAILURE
);
4212 static int wpas_check_freq_conflict(struct wpa_supplicant
*wpa_s
, int freq
)
4215 unsigned int num
, i
;
4216 struct wpa_used_freq_data
*freqs
;
4218 if (wpas_p2p_num_unused_channels(wpa_s
) > 0) {
4219 /* Multiple channels are supported and not all are in use */
4223 freqs
= os_calloc(wpa_s
->num_multichan_concurrent
,
4224 sizeof(struct wpa_used_freq_data
));
4228 num
= wpas_p2p_valid_oper_freqs(wpa_s
, freqs
,
4229 wpa_s
->num_multichan_concurrent
);
4231 for (i
= 0; i
< num
; i
++) {
4232 if (freqs
[i
].freq
== freq
) {
4233 wpa_printf(MSG_DEBUG
, "P2P: Frequency %d MHz in use by another virtual interface and can be used",
4240 wpa_printf(MSG_DEBUG
, "P2P: No valid operating frequencies");
4249 static int wpas_p2p_peer_go(struct wpa_supplicant
*wpa_s
,
4250 const u8
*peer_dev_addr
)
4252 struct wpa_bss
*bss
;
4255 bss
= wpa_bss_get_p2p_dev_addr(wpa_s
, peer_dev_addr
);
4258 if (bss
->last_update_idx
< wpa_s
->bss_update_idx
) {
4259 wpa_printf(MSG_DEBUG
, "P2P: Peer BSS entry not updated in the "
4264 updated
= os_reltime_before(&wpa_s
->p2p_auto_started
,
4266 wpa_printf(MSG_DEBUG
, "P2P: Current BSS entry for peer updated at "
4267 "%ld.%06ld (%supdated in last scan)",
4268 bss
->last_update
.sec
, bss
->last_update
.usec
,
4269 updated
? "": "not ");
4275 static void wpas_p2p_scan_res_join(struct wpa_supplicant
*wpa_s
,
4276 struct wpa_scan_results
*scan_res
)
4278 struct wpa_bss
*bss
= NULL
;
4280 u8 iface_addr
[ETH_ALEN
];
4282 eloop_cancel_timeout(wpas_p2p_join_scan
, wpa_s
, NULL
);
4284 if (wpa_s
->global
->p2p_disabled
)
4287 wpa_printf(MSG_DEBUG
, "P2P: Scan results received (%d BSS) for %sjoin",
4288 scan_res
? (int) scan_res
->num
: -1,
4289 wpa_s
->p2p_auto_join
? "auto_" : "");
4292 wpas_p2p_scan_res_handler(wpa_s
, scan_res
);
4294 if (wpa_s
->p2p_auto_pd
) {
4295 int join
= wpas_p2p_peer_go(wpa_s
,
4296 wpa_s
->pending_join_dev_addr
);
4298 wpa_s
->auto_pd_scan_retry
< P2P_AUTO_PD_SCAN_ATTEMPTS
) {
4299 wpa_s
->auto_pd_scan_retry
++;
4300 bss
= wpa_bss_get_bssid_latest(
4301 wpa_s
, wpa_s
->pending_join_dev_addr
);
4304 wpa_printf(MSG_DEBUG
, "P2P: Scan retry %d for "
4305 "the peer " MACSTR
" at %d MHz",
4306 wpa_s
->auto_pd_scan_retry
,
4308 pending_join_dev_addr
),
4310 wpas_p2p_join_scan_req(wpa_s
, freq
, NULL
, 0);
4318 wpa_s
->p2p_auto_pd
= 0;
4319 wpa_s
->pending_pd_use
= join
? AUTO_PD_JOIN
: AUTO_PD_GO_NEG
;
4320 wpa_printf(MSG_DEBUG
, "P2P: Auto PD with " MACSTR
" join=%d",
4321 MAC2STR(wpa_s
->pending_join_dev_addr
), join
);
4322 if (p2p_prov_disc_req(wpa_s
->global
->p2p
,
4323 wpa_s
->pending_join_dev_addr
, NULL
,
4324 wpa_s
->pending_pd_config_methods
, join
,
4325 0, wpa_s
->user_initiated_pd
) < 0) {
4326 wpa_s
->p2p_auto_pd
= 0;
4327 wpa_msg_global(wpa_s
, MSG_INFO
,
4328 P2P_EVENT_PROV_DISC_FAILURE
4329 " p2p_dev_addr=" MACSTR
" status=N/A",
4330 MAC2STR(wpa_s
->pending_join_dev_addr
));
4335 if (wpa_s
->p2p_auto_join
) {
4336 int join
= wpas_p2p_peer_go(wpa_s
,
4337 wpa_s
->pending_join_dev_addr
);
4339 wpa_printf(MSG_DEBUG
, "P2P: Peer was not found to be "
4340 "running a GO -> use GO Negotiation");
4341 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
4342 P2P_EVENT_FALLBACK_TO_GO_NEG
4343 "reason=peer-not-running-GO");
4344 wpas_p2p_connect(wpa_s
, wpa_s
->pending_join_dev_addr
,
4345 wpa_s
->p2p_pin
, wpa_s
->p2p_wps_method
,
4346 wpa_s
->p2p_persistent_group
, 0, 0, 0,
4347 wpa_s
->p2p_go_intent
,
4348 wpa_s
->p2p_connect_freq
,
4349 wpa_s
->p2p_persistent_id
,
4350 wpa_s
->p2p_pd_before_go_neg
,
4356 wpa_printf(MSG_DEBUG
, "P2P: Peer was found running GO%s -> "
4357 "try to join the group", join
? "" :
4360 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
4361 P2P_EVENT_FALLBACK_TO_GO_NEG_ENABLED
);
4362 wpa_s
->p2p_fallback_to_go_neg
= 1;
4366 freq
= p2p_get_oper_freq(wpa_s
->global
->p2p
,
4367 wpa_s
->pending_join_iface_addr
);
4369 p2p_get_interface_addr(wpa_s
->global
->p2p
,
4370 wpa_s
->pending_join_dev_addr
,
4372 os_memcmp(iface_addr
, wpa_s
->pending_join_dev_addr
, ETH_ALEN
) != 0
4373 && !wpa_bss_get_bssid(wpa_s
, wpa_s
->pending_join_iface_addr
)) {
4374 wpa_printf(MSG_DEBUG
, "P2P: Overwrite pending interface "
4375 "address for join from " MACSTR
" to " MACSTR
4376 " based on newly discovered P2P peer entry",
4377 MAC2STR(wpa_s
->pending_join_iface_addr
),
4378 MAC2STR(iface_addr
));
4379 os_memcpy(wpa_s
->pending_join_iface_addr
, iface_addr
,
4382 freq
= p2p_get_oper_freq(wpa_s
->global
->p2p
,
4383 wpa_s
->pending_join_iface_addr
);
4386 wpa_printf(MSG_DEBUG
, "P2P: Target GO operating frequency "
4387 "from P2P peer table: %d MHz", freq
);
4389 if (wpa_s
->p2p_join_ssid_len
) {
4390 wpa_printf(MSG_DEBUG
, "P2P: Trying to find target GO BSS entry based on BSSID "
4391 MACSTR
" and SSID %s",
4392 MAC2STR(wpa_s
->pending_join_iface_addr
),
4393 wpa_ssid_txt(wpa_s
->p2p_join_ssid
,
4394 wpa_s
->p2p_join_ssid_len
));
4395 bss
= wpa_bss_get(wpa_s
, wpa_s
->pending_join_iface_addr
,
4396 wpa_s
->p2p_join_ssid
,
4397 wpa_s
->p2p_join_ssid_len
);
4400 wpa_printf(MSG_DEBUG
, "P2P: Trying to find target GO BSS entry based on BSSID "
4401 MACSTR
, MAC2STR(wpa_s
->pending_join_iface_addr
));
4402 bss
= wpa_bss_get_bssid_latest(wpa_s
,
4403 wpa_s
->pending_join_iface_addr
);
4407 wpa_printf(MSG_DEBUG
, "P2P: Target GO operating frequency "
4408 "from BSS table: %d MHz (SSID %s)", freq
,
4409 wpa_ssid_txt(bss
->ssid
, bss
->ssid_len
));
4414 if (wpas_check_freq_conflict(wpa_s
, freq
) > 0) {
4415 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
4416 P2P_EVENT_GROUP_FORMATION_FAILURE
4417 "reason=FREQ_CONFLICT");
4421 wpa_printf(MSG_DEBUG
, "P2P: Send Provision Discovery Request "
4422 "prior to joining an existing group (GO " MACSTR
4424 MAC2STR(wpa_s
->pending_join_dev_addr
), freq
);
4425 wpa_s
->pending_pd_before_join
= 1;
4427 switch (wpa_s
->pending_join_wps_method
) {
4428 case WPS_PIN_DISPLAY
:
4429 method
= WPS_CONFIG_KEYPAD
;
4431 case WPS_PIN_KEYPAD
:
4432 method
= WPS_CONFIG_DISPLAY
;
4435 method
= WPS_CONFIG_PUSHBUTTON
;
4442 if ((p2p_get_provisioning_info(wpa_s
->global
->p2p
,
4443 wpa_s
->pending_join_dev_addr
) ==
4446 * We have already performed provision discovery for
4447 * joining the group. Proceed directly to join
4448 * operation without duplicated provision discovery. */
4449 wpa_printf(MSG_DEBUG
, "P2P: Provision discovery "
4450 "with " MACSTR
" already done - proceed to "
4452 MAC2STR(wpa_s
->pending_join_dev_addr
));
4453 wpa_s
->pending_pd_before_join
= 0;
4457 if (p2p_prov_disc_req(wpa_s
->global
->p2p
,
4458 wpa_s
->pending_join_dev_addr
,
4460 freq
, wpa_s
->user_initiated_pd
) < 0) {
4461 wpa_printf(MSG_DEBUG
, "P2P: Failed to send Provision "
4462 "Discovery Request before joining an "
4464 wpa_s
->pending_pd_before_join
= 0;
4470 wpa_printf(MSG_DEBUG
, "P2P: Failed to find BSS/GO - try again later");
4471 eloop_cancel_timeout(wpas_p2p_join_scan
, wpa_s
, NULL
);
4472 eloop_register_timeout(1, 0, wpas_p2p_join_scan
, wpa_s
, NULL
);
4473 wpas_p2p_check_join_scan_limit(wpa_s
);
4477 /* Start join operation immediately */
4478 wpas_p2p_join_start(wpa_s
, 0, NULL
, 0);
4482 static void wpas_p2p_join_scan_req(struct wpa_supplicant
*wpa_s
, int freq
,
4483 const u8
*ssid
, size_t ssid_len
)
4486 struct wpa_driver_scan_params params
;
4487 struct wpabuf
*wps_ie
, *ies
;
4489 int freqs
[2] = { 0, 0 };
4491 os_memset(¶ms
, 0, sizeof(params
));
4493 /* P2P Wildcard SSID */
4494 params
.num_ssids
= 1;
4495 if (ssid
&& ssid_len
) {
4496 params
.ssids
[0].ssid
= ssid
;
4497 params
.ssids
[0].ssid_len
= ssid_len
;
4498 os_memcpy(wpa_s
->p2p_join_ssid
, ssid
, ssid_len
);
4499 wpa_s
->p2p_join_ssid_len
= ssid_len
;
4501 params
.ssids
[0].ssid
= (u8
*) P2P_WILDCARD_SSID
;
4502 params
.ssids
[0].ssid_len
= P2P_WILDCARD_SSID_LEN
;
4503 wpa_s
->p2p_join_ssid_len
= 0;
4506 wpa_s
->wps
->dev
.p2p
= 1;
4507 wps_ie
= wps_build_probe_req_ie(DEV_PW_DEFAULT
, &wpa_s
->wps
->dev
,
4508 wpa_s
->wps
->uuid
, WPS_REQ_ENROLLEE
, 0,
4510 if (wps_ie
== NULL
) {
4511 wpas_p2p_scan_res_join(wpa_s
, NULL
);
4515 ielen
= p2p_scan_ie_buf_len(wpa_s
->global
->p2p
);
4516 ies
= wpabuf_alloc(wpabuf_len(wps_ie
) + ielen
);
4518 wpabuf_free(wps_ie
);
4519 wpas_p2p_scan_res_join(wpa_s
, NULL
);
4522 wpabuf_put_buf(ies
, wps_ie
);
4523 wpabuf_free(wps_ie
);
4525 p2p_scan_ie(wpa_s
->global
->p2p
, ies
, NULL
);
4527 params
.p2p_probe
= 1;
4528 params
.extra_ies
= wpabuf_head(ies
);
4529 params
.extra_ies_len
= wpabuf_len(ies
);
4534 * If freq is not provided, check the operating freq of the GO
4535 * and use a single channel scan on if possible.
4537 oper_freq
= p2p_get_oper_freq(wpa_s
->global
->p2p
,
4538 wpa_s
->pending_join_iface_addr
);
4544 params
.freqs
= freqs
;
4548 * Run a scan to update BSS table and start Provision Discovery once
4549 * the new scan results become available.
4551 ret
= wpa_drv_scan(wpa_s
, ¶ms
);
4553 os_get_reltime(&wpa_s
->scan_trigger_time
);
4554 wpa_s
->scan_res_handler
= wpas_p2p_scan_res_join
;
4555 wpa_s
->own_scan_requested
= 1;
4561 wpa_printf(MSG_DEBUG
, "P2P: Failed to start scan for join - "
4563 eloop_cancel_timeout(wpas_p2p_join_scan
, wpa_s
, NULL
);
4564 eloop_register_timeout(1, 0, wpas_p2p_join_scan
, wpa_s
, NULL
);
4565 wpas_p2p_check_join_scan_limit(wpa_s
);
4570 static void wpas_p2p_join_scan(void *eloop_ctx
, void *timeout_ctx
)
4572 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
4573 wpas_p2p_join_scan_req(wpa_s
, 0, NULL
, 0);
4577 static int wpas_p2p_join(struct wpa_supplicant
*wpa_s
, const u8
*iface_addr
,
4578 const u8
*dev_addr
, enum p2p_wps_method wps_method
,
4579 int auto_join
, int op_freq
,
4580 const u8
*ssid
, size_t ssid_len
)
4582 wpa_printf(MSG_DEBUG
, "P2P: Request to join existing group (iface "
4583 MACSTR
" dev " MACSTR
" op_freq=%d)%s",
4584 MAC2STR(iface_addr
), MAC2STR(dev_addr
), op_freq
,
4585 auto_join
? " (auto_join)" : "");
4586 if (ssid
&& ssid_len
) {
4587 wpa_printf(MSG_DEBUG
, "P2P: Group SSID specified: %s",
4588 wpa_ssid_txt(ssid
, ssid_len
));
4591 wpa_s
->p2p_auto_pd
= 0;
4592 wpa_s
->p2p_auto_join
= !!auto_join
;
4593 os_memcpy(wpa_s
->pending_join_iface_addr
, iface_addr
, ETH_ALEN
);
4594 os_memcpy(wpa_s
->pending_join_dev_addr
, dev_addr
, ETH_ALEN
);
4595 wpa_s
->pending_join_wps_method
= wps_method
;
4597 /* Make sure we are not running find during connection establishment */
4598 wpas_p2p_stop_find(wpa_s
);
4600 wpa_s
->p2p_join_scan_count
= 0;
4601 wpas_p2p_join_scan_req(wpa_s
, op_freq
, ssid
, ssid_len
);
4606 static int wpas_p2p_join_start(struct wpa_supplicant
*wpa_s
, int freq
,
4607 const u8
*ssid
, size_t ssid_len
)
4609 struct wpa_supplicant
*group
;
4610 struct p2p_go_neg_results res
;
4611 struct wpa_bss
*bss
;
4613 group
= wpas_p2p_get_group_iface(wpa_s
, 0, 0);
4616 if (group
!= wpa_s
) {
4617 os_memcpy(group
->p2p_pin
, wpa_s
->p2p_pin
,
4618 sizeof(group
->p2p_pin
));
4619 group
->p2p_wps_method
= wpa_s
->p2p_wps_method
;
4622 * Need to mark the current interface for p2p_group_formation
4623 * when a separate group interface is not used. This is needed
4624 * to allow p2p_cancel stop a pending p2p_connect-join.
4625 * wpas_p2p_init_group_interface() addresses this for the case
4626 * where a separate group interface is used.
4628 wpa_s
->global
->p2p_group_formation
= wpa_s
;
4631 group
->p2p_in_provisioning
= 1;
4632 group
->p2p_fallback_to_go_neg
= wpa_s
->p2p_fallback_to_go_neg
;
4634 os_memset(&res
, 0, sizeof(res
));
4635 os_memcpy(res
.peer_device_addr
, wpa_s
->pending_join_dev_addr
, ETH_ALEN
);
4636 os_memcpy(res
.peer_interface_addr
, wpa_s
->pending_join_iface_addr
,
4638 res
.wps_method
= wpa_s
->pending_join_wps_method
;
4639 if (freq
&& ssid
&& ssid_len
) {
4641 res
.ssid_len
= ssid_len
;
4642 os_memcpy(res
.ssid
, ssid
, ssid_len
);
4644 bss
= wpa_bss_get_bssid_latest(wpa_s
,
4645 wpa_s
->pending_join_iface_addr
);
4647 res
.freq
= bss
->freq
;
4648 res
.ssid_len
= bss
->ssid_len
;
4649 os_memcpy(res
.ssid
, bss
->ssid
, bss
->ssid_len
);
4650 wpa_printf(MSG_DEBUG
, "P2P: Join target GO operating frequency from BSS table: %d MHz (SSID %s)",
4652 wpa_ssid_txt(bss
->ssid
, bss
->ssid_len
));
4656 if (wpa_s
->off_channel_freq
|| wpa_s
->roc_waiting_drv_freq
) {
4657 wpa_printf(MSG_DEBUG
, "P2P: Cancel remain-on-channel prior to "
4659 wpa_drv_cancel_remain_on_channel(wpa_s
);
4660 wpa_s
->off_channel_freq
= 0;
4661 wpa_s
->roc_waiting_drv_freq
= 0;
4663 wpas_start_wps_enrollee(group
, &res
);
4666 * Allow a longer timeout for join-a-running-group than normal 15
4667 * second group formation timeout since the GO may not have authorized
4668 * our connection yet.
4670 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
, wpa_s
, NULL
);
4671 eloop_register_timeout(60, 0, wpas_p2p_group_formation_timeout
,
4678 static int wpas_p2p_setup_freqs(struct wpa_supplicant
*wpa_s
, int freq
,
4679 int *force_freq
, int *pref_freq
, int go
)
4681 struct wpa_used_freq_data
*freqs
;
4682 int res
, best_freq
, num_unused
;
4683 unsigned int freq_in_use
= 0, num
, i
;
4685 freqs
= os_calloc(wpa_s
->num_multichan_concurrent
,
4686 sizeof(struct wpa_used_freq_data
));
4690 num
= wpas_p2p_valid_oper_freqs(wpa_s
, freqs
,
4691 wpa_s
->num_multichan_concurrent
);
4694 * It is possible that the total number of used frequencies is bigger
4695 * than the number of frequencies used for P2P, so get the system wide
4696 * number of unused frequencies.
4698 num_unused
= wpas_p2p_num_unused_channels(wpa_s
);
4700 wpa_printf(MSG_DEBUG
,
4701 "P2P: Setup freqs: freq=%d num_MCC=%d shared_freqs=%u num_unused=%d",
4702 freq
, wpa_s
->num_multichan_concurrent
, num
, num_unused
);
4707 ret
= p2p_supported_freq(wpa_s
->global
->p2p
, freq
);
4709 ret
= p2p_supported_freq_cli(wpa_s
->global
->p2p
, freq
);
4711 if ((wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_DFS_OFFLOAD
) &&
4712 ieee80211_is_dfs(freq
)) {
4714 * If freq is a DFS channel and DFS is offloaded
4715 * to the driver, allow P2P GO to use it.
4717 wpa_printf(MSG_DEBUG
,
4718 "P2P: The forced channel for GO (%u MHz) is DFS, and DFS is offloaded to the driver",
4721 wpa_printf(MSG_DEBUG
,
4722 "P2P: The forced channel (%u MHz) is not supported for P2P uses",
4729 for (i
= 0; i
< num
; i
++) {
4730 if (freqs
[i
].freq
== freq
)
4734 if (num_unused
<= 0 && !freq_in_use
) {
4735 wpa_printf(MSG_DEBUG
, "P2P: Cannot start P2P group on %u MHz as there are no available channels",
4740 wpa_printf(MSG_DEBUG
, "P2P: Trying to force us to use the "
4741 "requested channel (%u MHz)", freq
);
4746 best_freq
= wpas_p2p_pick_best_used_freq(wpa_s
, freqs
, num
);
4748 /* We have a candidate frequency to use */
4749 if (best_freq
> 0) {
4750 if (*pref_freq
== 0 && num_unused
> 0) {
4751 wpa_printf(MSG_DEBUG
, "P2P: Try to prefer a frequency (%u MHz) we are already using",
4753 *pref_freq
= best_freq
;
4755 wpa_printf(MSG_DEBUG
, "P2P: Try to force us to use frequency (%u MHz) which is already in use",
4757 *force_freq
= best_freq
;
4759 } else if (num_unused
> 0) {
4760 wpa_printf(MSG_DEBUG
,
4761 "P2P: Current operating channels are not available for P2P. Try to use another channel");
4764 wpa_printf(MSG_DEBUG
,
4765 "P2P: All channels are in use and none of them are P2P enabled. Cannot start P2P group");
4779 * wpas_p2p_connect - Request P2P Group Formation to be started
4780 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
4781 * @peer_addr: Address of the peer P2P Device
4782 * @pin: PIN to use during provisioning or %NULL to indicate PBC mode
4783 * @persistent_group: Whether to create a persistent group
4784 * @auto_join: Whether to select join vs. GO Negotiation automatically
4785 * @join: Whether to join an existing group (as a client) instead of starting
4786 * Group Owner negotiation; @peer_addr is BSSID in that case
4787 * @auth: Whether to only authorize the connection instead of doing that and
4788 * initiating Group Owner negotiation
4789 * @go_intent: GO Intent or -1 to use default
4790 * @freq: Frequency for the group or 0 for auto-selection
4791 * @persistent_id: Persistent group credentials to use for forcing GO
4792 * parameters or -1 to generate new values (SSID/passphrase)
4793 * @pd: Whether to send Provision Discovery prior to GO Negotiation as an
4794 * interoperability workaround when initiating group formation
4795 * @ht40: Start GO with 40 MHz channel width
4796 * @vht: Start GO with VHT support
4797 * Returns: 0 or new PIN (if pin was %NULL) on success, -1 on unspecified
4798 * failure, -2 on failure due to channel not currently available,
4799 * -3 if forced channel is not supported
4801 int wpas_p2p_connect(struct wpa_supplicant
*wpa_s
, const u8
*peer_addr
,
4802 const char *pin
, enum p2p_wps_method wps_method
,
4803 int persistent_group
, int auto_join
, int join
, int auth
,
4804 int go_intent
, int freq
, int persistent_id
, int pd
,
4807 int force_freq
= 0, pref_freq
= 0;
4809 enum wpa_driver_if_type iftype
;
4811 struct wpa_ssid
*ssid
= NULL
;
4813 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
4816 if (persistent_id
>= 0) {
4817 ssid
= wpa_config_get_network(wpa_s
->conf
, persistent_id
);
4818 if (ssid
== NULL
|| ssid
->disabled
!= 2 ||
4819 ssid
->mode
!= WPAS_MODE_P2P_GO
)
4823 os_free(wpa_s
->global
->add_psk
);
4824 wpa_s
->global
->add_psk
= NULL
;
4826 wpa_s
->global
->p2p_fail_on_wps_complete
= 0;
4827 wpa_s
->global
->pending_p2ps_group
= 0;
4830 go_intent
= wpa_s
->conf
->p2p_go_intent
;
4833 wpa_s
->p2p_long_listen
= 0;
4835 wpa_s
->p2p_wps_method
= wps_method
;
4836 wpa_s
->p2p_persistent_group
= !!persistent_group
;
4837 wpa_s
->p2p_persistent_id
= persistent_id
;
4838 wpa_s
->p2p_go_intent
= go_intent
;
4839 wpa_s
->p2p_connect_freq
= freq
;
4840 wpa_s
->p2p_fallback_to_go_neg
= 0;
4841 wpa_s
->p2p_pd_before_go_neg
= !!pd
;
4842 wpa_s
->p2p_go_ht40
= !!ht40
;
4843 wpa_s
->p2p_go_vht
= !!vht
;
4846 os_strlcpy(wpa_s
->p2p_pin
, pin
, sizeof(wpa_s
->p2p_pin
));
4847 else if (wps_method
== WPS_PIN_DISPLAY
) {
4848 ret
= wps_generate_pin();
4849 res
= os_snprintf(wpa_s
->p2p_pin
, sizeof(wpa_s
->p2p_pin
),
4851 if (os_snprintf_error(sizeof(wpa_s
->p2p_pin
), res
))
4852 wpa_s
->p2p_pin
[sizeof(wpa_s
->p2p_pin
) - 1] = '\0';
4853 wpa_printf(MSG_DEBUG
, "P2P: Randomly generated PIN: %s",
4856 wpa_s
->p2p_pin
[0] = '\0';
4858 if (join
|| auto_join
) {
4859 u8 iface_addr
[ETH_ALEN
], dev_addr
[ETH_ALEN
];
4861 wpa_printf(MSG_DEBUG
, "P2P: Authorize invitation to "
4862 "connect a running group from " MACSTR
,
4863 MAC2STR(peer_addr
));
4864 os_memcpy(wpa_s
->p2p_auth_invite
, peer_addr
, ETH_ALEN
);
4867 os_memcpy(dev_addr
, peer_addr
, ETH_ALEN
);
4868 if (p2p_get_interface_addr(wpa_s
->global
->p2p
, peer_addr
,
4870 os_memcpy(iface_addr
, peer_addr
, ETH_ALEN
);
4871 p2p_get_dev_addr(wpa_s
->global
->p2p
, peer_addr
,
4875 os_get_reltime(&wpa_s
->p2p_auto_started
);
4876 wpa_printf(MSG_DEBUG
, "P2P: Auto join started at "
4878 wpa_s
->p2p_auto_started
.sec
,
4879 wpa_s
->p2p_auto_started
.usec
);
4881 wpa_s
->user_initiated_pd
= 1;
4882 if (wpas_p2p_join(wpa_s
, iface_addr
, dev_addr
, wps_method
,
4883 auto_join
, freq
, NULL
, 0) < 0)
4888 res
= wpas_p2p_setup_freqs(wpa_s
, freq
, &force_freq
, &pref_freq
,
4892 wpas_p2p_set_own_freq_preference(wpa_s
,
4893 force_freq
? force_freq
: pref_freq
);
4895 wpa_s
->create_p2p_iface
= wpas_p2p_create_iface(wpa_s
);
4897 if (wpa_s
->create_p2p_iface
) {
4898 /* Prepare to add a new interface for the group */
4899 iftype
= WPA_IF_P2P_GROUP
;
4900 if (go_intent
== 15)
4901 iftype
= WPA_IF_P2P_GO
;
4902 if (wpas_p2p_add_group_interface(wpa_s
, iftype
) < 0) {
4903 wpa_printf(MSG_ERROR
, "P2P: Failed to allocate a new "
4904 "interface for the group");
4908 if_addr
= wpa_s
->pending_interface_addr
;
4910 if_addr
= wpa_s
->own_addr
;
4913 if (wpas_p2p_auth_go_neg(wpa_s
, peer_addr
, wps_method
,
4915 force_freq
, persistent_group
, ssid
,
4921 if (wpas_p2p_start_go_neg(wpa_s
, peer_addr
, wps_method
,
4922 go_intent
, if_addr
, force_freq
,
4923 persistent_group
, ssid
, pref_freq
) < 0) {
4924 if (wpa_s
->create_p2p_iface
)
4925 wpas_p2p_remove_pending_group_interface(wpa_s
);
4933 * wpas_p2p_remain_on_channel_cb - Indication of remain-on-channel start
4934 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
4935 * @freq: Frequency of the channel in MHz
4936 * @duration: Duration of the stay on the channel in milliseconds
4938 * This callback is called when the driver indicates that it has started the
4939 * requested remain-on-channel duration.
4941 void wpas_p2p_remain_on_channel_cb(struct wpa_supplicant
*wpa_s
,
4942 unsigned int freq
, unsigned int duration
)
4944 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
4946 wpa_printf(MSG_DEBUG
, "P2P: remain-on-channel callback (off_channel_freq=%u pending_listen_freq=%d roc_waiting_drv_freq=%d freq=%u duration=%u)",
4947 wpa_s
->off_channel_freq
, wpa_s
->pending_listen_freq
,
4948 wpa_s
->roc_waiting_drv_freq
, freq
, duration
);
4949 if (wpa_s
->off_channel_freq
&&
4950 wpa_s
->off_channel_freq
== wpa_s
->pending_listen_freq
) {
4951 p2p_listen_cb(wpa_s
->global
->p2p
, wpa_s
->pending_listen_freq
,
4952 wpa_s
->pending_listen_duration
);
4953 wpa_s
->pending_listen_freq
= 0;
4955 wpa_printf(MSG_DEBUG
, "P2P: Ignore remain-on-channel callback (off_channel_freq=%u pending_listen_freq=%d freq=%u duration=%u)",
4956 wpa_s
->off_channel_freq
, wpa_s
->pending_listen_freq
,
4962 int wpas_p2p_listen_start(struct wpa_supplicant
*wpa_s
, unsigned int timeout
)
4964 /* Limit maximum Listen state time based on driver limitation. */
4965 if (timeout
> wpa_s
->max_remain_on_chan
)
4966 timeout
= wpa_s
->max_remain_on_chan
;
4968 return p2p_listen(wpa_s
->global
->p2p
, timeout
);
4973 * wpas_p2p_cancel_remain_on_channel_cb - Remain-on-channel timeout
4974 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
4975 * @freq: Frequency of the channel in MHz
4977 * This callback is called when the driver indicates that a remain-on-channel
4978 * operation has been completed, i.e., the duration on the requested channel
4981 void wpas_p2p_cancel_remain_on_channel_cb(struct wpa_supplicant
*wpa_s
,
4984 wpa_printf(MSG_DEBUG
, "P2P: Cancel remain-on-channel callback "
4985 "(p2p_long_listen=%d ms pending_action_tx=%p)",
4986 wpa_s
->p2p_long_listen
, offchannel_pending_action_tx(wpa_s
));
4987 wpas_p2p_listen_work_done(wpa_s
);
4988 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
4990 if (wpa_s
->p2p_long_listen
> 0)
4991 wpa_s
->p2p_long_listen
-= wpa_s
->max_remain_on_chan
;
4992 if (p2p_listen_end(wpa_s
->global
->p2p
, freq
) > 0)
4993 return; /* P2P module started a new operation */
4994 if (offchannel_pending_action_tx(wpa_s
))
4996 if (wpa_s
->p2p_long_listen
> 0) {
4997 wpa_printf(MSG_DEBUG
, "P2P: Continuing long Listen state");
4998 wpas_p2p_listen_start(wpa_s
, wpa_s
->p2p_long_listen
);
5001 * When listen duration is over, stop listen & update p2p_state
5004 p2p_stop_listen(wpa_s
->global
->p2p
);
5010 * wpas_p2p_group_remove - Remove a P2P group
5011 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
5012 * @ifname: Network interface name of the group interface or "*" to remove all
5014 * Returns: 0 on success, -1 on failure
5016 * This function is used to remove a P2P group. This can be used to disconnect
5017 * from a group in which the local end is a P2P Client or to end a P2P Group in
5018 * case the local end is the Group Owner. If a virtual network interface was
5019 * created for this group, that interface will be removed. Otherwise, only the
5020 * configured P2P group network will be removed from the interface.
5022 int wpas_p2p_group_remove(struct wpa_supplicant
*wpa_s
, const char *ifname
)
5024 struct wpa_global
*global
= wpa_s
->global
;
5025 struct wpa_supplicant
*calling_wpa_s
= wpa_s
;
5027 if (os_strcmp(ifname
, "*") == 0) {
5028 struct wpa_supplicant
*prev
;
5029 wpa_s
= global
->ifaces
;
5032 wpa_s
= wpa_s
->next
;
5033 if (prev
->p2p_group_interface
!=
5034 NOT_P2P_GROUP_INTERFACE
||
5035 (prev
->current_ssid
&&
5036 prev
->current_ssid
->p2p_group
))
5037 wpas_p2p_disconnect_safely(prev
, calling_wpa_s
);
5042 for (wpa_s
= global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
5043 if (os_strcmp(wpa_s
->ifname
, ifname
) == 0)
5047 return wpas_p2p_disconnect_safely(wpa_s
, calling_wpa_s
);
5051 static int wpas_p2p_select_go_freq(struct wpa_supplicant
*wpa_s
, int freq
)
5056 wpa_printf(MSG_DEBUG
, "P2P: Request to start GO on 2.4 GHz "
5058 if (wpa_s
->best_24_freq
> 0 &&
5059 p2p_supported_freq_go(wpa_s
->global
->p2p
,
5060 wpa_s
->best_24_freq
)) {
5061 freq
= wpa_s
->best_24_freq
;
5062 wpa_printf(MSG_DEBUG
, "P2P: Use best 2.4 GHz band "
5063 "channel: %d MHz", freq
);
5065 if (os_get_random((u8
*) &r
, sizeof(r
)) < 0)
5067 freq
= 2412 + (r
% 3) * 25;
5068 wpa_printf(MSG_DEBUG
, "P2P: Use random 2.4 GHz band "
5069 "channel: %d MHz", freq
);
5074 wpa_printf(MSG_DEBUG
, "P2P: Request to start GO on 5 GHz "
5076 if (wpa_s
->best_5_freq
> 0 &&
5077 p2p_supported_freq_go(wpa_s
->global
->p2p
,
5078 wpa_s
->best_5_freq
)) {
5079 freq
= wpa_s
->best_5_freq
;
5080 wpa_printf(MSG_DEBUG
, "P2P: Use best 5 GHz band "
5081 "channel: %d MHz", freq
);
5083 if (os_get_random((u8
*) &r
, sizeof(r
)) < 0)
5085 freq
= 5180 + (r
% 4) * 20;
5086 if (!p2p_supported_freq_go(wpa_s
->global
->p2p
, freq
)) {
5087 wpa_printf(MSG_DEBUG
, "P2P: Could not select "
5088 "5 GHz channel for P2P group");
5091 wpa_printf(MSG_DEBUG
, "P2P: Use random 5 GHz band "
5092 "channel: %d MHz", freq
);
5096 if (freq
> 0 && !p2p_supported_freq_go(wpa_s
->global
->p2p
, freq
)) {
5097 if ((wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_DFS_OFFLOAD
) &&
5098 ieee80211_is_dfs(freq
)) {
5100 * If freq is a DFS channel and DFS is offloaded to the
5101 * driver, allow P2P GO to use it.
5103 wpa_printf(MSG_DEBUG
, "P2P: "
5104 "%s: The forced channel for GO (%u MHz) is DFS, and DFS is offloaded",
5108 wpa_printf(MSG_DEBUG
, "P2P: The forced channel for GO "
5109 "(%u MHz) is not supported for P2P uses",
5118 static int wpas_p2p_select_freq_no_pref(struct wpa_supplicant
*wpa_s
,
5119 struct p2p_go_neg_results
*params
,
5120 const struct p2p_channels
*channels
)
5124 /* first try some random selection of the social channels */
5125 if (os_get_random((u8
*) &r
, sizeof(r
)) < 0)
5128 for (i
= 0; i
< 3; i
++) {
5129 params
->freq
= 2412 + ((r
+ i
) % 3) * 25;
5130 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, params
->freq
) &&
5131 freq_included(channels
, params
->freq
) &&
5132 p2p_supported_freq(wpa_s
->global
->p2p
, params
->freq
))
5136 /* try all channels in reg. class 81 */
5137 for (i
= 0; i
< 11; i
++) {
5138 params
->freq
= 2412 + i
* 5;
5139 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, params
->freq
) &&
5140 freq_included(channels
, params
->freq
) &&
5141 p2p_supported_freq(wpa_s
->global
->p2p
, params
->freq
))
5145 /* try all channels in operating class 115 */
5146 for (i
= 0; i
< 4; i
++) {
5147 params
->freq
= 5180 + i
* 20;
5148 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, params
->freq
) &&
5149 freq_included(channels
, params
->freq
) &&
5150 p2p_supported_freq(wpa_s
->global
->p2p
, params
->freq
))
5154 /* try all channels in operating class 124 */
5155 for (i
= 0; i
< 4; i
++) {
5156 params
->freq
= 5745 + i
* 20;
5157 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, params
->freq
) &&
5158 freq_included(channels
, params
->freq
) &&
5159 p2p_supported_freq(wpa_s
->global
->p2p
, params
->freq
))
5163 /* try social channel class 180 channel 2 */
5164 params
->freq
= 58320 + 1 * 2160;
5165 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, params
->freq
) &&
5166 freq_included(channels
, params
->freq
) &&
5167 p2p_supported_freq(wpa_s
->global
->p2p
, params
->freq
))
5170 /* try all channels in reg. class 180 */
5171 for (i
= 0; i
< 4; i
++) {
5172 params
->freq
= 58320 + i
* 2160;
5173 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, params
->freq
) &&
5174 freq_included(channels
, params
->freq
) &&
5175 p2p_supported_freq(wpa_s
->global
->p2p
, params
->freq
))
5179 wpa_printf(MSG_DEBUG
, "P2P: No 2.4, 5, or 60 GHz channel allowed");
5182 wpa_printf(MSG_DEBUG
, "P2P: Set GO freq %d MHz (no preference known)",
5188 static int wpas_p2p_init_go_params(struct wpa_supplicant
*wpa_s
,
5189 struct p2p_go_neg_results
*params
,
5190 int freq
, int ht40
, int vht
,
5191 const struct p2p_channels
*channels
)
5193 struct wpa_used_freq_data
*freqs
;
5194 unsigned int pref_freq
, cand_freq
;
5195 unsigned int num
, i
;
5197 os_memset(params
, 0, sizeof(*params
));
5198 params
->role_go
= 1;
5199 params
->ht40
= ht40
;
5202 if (!freq_included(channels
, freq
)) {
5203 wpa_printf(MSG_DEBUG
, "P2P: Forced GO freq %d MHz not "
5207 wpa_printf(MSG_DEBUG
, "P2P: Set GO freq based on forced "
5208 "frequency %d MHz", freq
);
5209 params
->freq
= freq
;
5210 } else if (wpa_s
->conf
->p2p_oper_reg_class
== 81 &&
5211 wpa_s
->conf
->p2p_oper_channel
>= 1 &&
5212 wpa_s
->conf
->p2p_oper_channel
<= 11 &&
5213 freq_included(channels
,
5214 2407 + 5 * wpa_s
->conf
->p2p_oper_channel
)) {
5215 params
->freq
= 2407 + 5 * wpa_s
->conf
->p2p_oper_channel
;
5216 wpa_printf(MSG_DEBUG
, "P2P: Set GO freq based on configured "
5217 "frequency %d MHz", params
->freq
);
5218 } else if ((wpa_s
->conf
->p2p_oper_reg_class
== 115 ||
5219 wpa_s
->conf
->p2p_oper_reg_class
== 116 ||
5220 wpa_s
->conf
->p2p_oper_reg_class
== 117 ||
5221 wpa_s
->conf
->p2p_oper_reg_class
== 124 ||
5222 wpa_s
->conf
->p2p_oper_reg_class
== 126 ||
5223 wpa_s
->conf
->p2p_oper_reg_class
== 127) &&
5224 freq_included(channels
,
5225 5000 + 5 * wpa_s
->conf
->p2p_oper_channel
)) {
5226 params
->freq
= 5000 + 5 * wpa_s
->conf
->p2p_oper_channel
;
5227 wpa_printf(MSG_DEBUG
, "P2P: Set GO freq based on configured "
5228 "frequency %d MHz", params
->freq
);
5229 } else if (wpa_s
->conf
->p2p_oper_channel
== 0 &&
5230 wpa_s
->best_overall_freq
> 0 &&
5231 p2p_supported_freq_go(wpa_s
->global
->p2p
,
5232 wpa_s
->best_overall_freq
) &&
5233 freq_included(channels
, wpa_s
->best_overall_freq
)) {
5234 params
->freq
= wpa_s
->best_overall_freq
;
5235 wpa_printf(MSG_DEBUG
, "P2P: Set GO freq based on best overall "
5236 "channel %d MHz", params
->freq
);
5237 } else if (wpa_s
->conf
->p2p_oper_channel
== 0 &&
5238 wpa_s
->best_24_freq
> 0 &&
5239 p2p_supported_freq_go(wpa_s
->global
->p2p
,
5240 wpa_s
->best_24_freq
) &&
5241 freq_included(channels
, wpa_s
->best_24_freq
)) {
5242 params
->freq
= wpa_s
->best_24_freq
;
5243 wpa_printf(MSG_DEBUG
, "P2P: Set GO freq based on best 2.4 GHz "
5244 "channel %d MHz", params
->freq
);
5245 } else if (wpa_s
->conf
->p2p_oper_channel
== 0 &&
5246 wpa_s
->best_5_freq
> 0 &&
5247 p2p_supported_freq_go(wpa_s
->global
->p2p
,
5248 wpa_s
->best_5_freq
) &&
5249 freq_included(channels
, wpa_s
->best_5_freq
)) {
5250 params
->freq
= wpa_s
->best_5_freq
;
5251 wpa_printf(MSG_DEBUG
, "P2P: Set GO freq based on best 5 GHz "
5252 "channel %d MHz", params
->freq
);
5253 } else if ((pref_freq
= p2p_get_pref_freq(wpa_s
->global
->p2p
,
5255 params
->freq
= pref_freq
;
5256 wpa_printf(MSG_DEBUG
, "P2P: Set GO freq %d MHz from preferred "
5257 "channels", params
->freq
);
5259 /* no preference, select some channel */
5260 if (wpas_p2p_select_freq_no_pref(wpa_s
, params
, channels
) < 0)
5264 freqs
= os_calloc(wpa_s
->num_multichan_concurrent
,
5265 sizeof(struct wpa_used_freq_data
));
5269 num
= wpas_p2p_valid_oper_freqs(wpa_s
, freqs
,
5270 wpa_s
->num_multichan_concurrent
);
5272 cand_freq
= wpas_p2p_pick_best_used_freq(wpa_s
, freqs
, num
);
5274 /* First try the best used frequency if possible */
5275 if (!freq
&& cand_freq
> 0 && freq_included(channels
, cand_freq
)) {
5276 params
->freq
= cand_freq
;
5278 /* Try any of the used frequencies */
5279 for (i
= 0; i
< num
; i
++) {
5280 if (freq_included(channels
, freqs
[i
].freq
)) {
5281 wpa_printf(MSG_DEBUG
, "P2P: Force GO on a channel we are already using (%u MHz)",
5283 params
->freq
= freqs
[i
].freq
;
5289 if (wpas_p2p_num_unused_channels(wpa_s
) <= 0) {
5290 wpa_printf(MSG_DEBUG
, "P2P: Cannot force GO on any of the channels we are already using");
5294 wpa_printf(MSG_DEBUG
, "P2P: Cannot force GO on any of the channels we are already using. Use one of the free channels");
5298 for (i
= 0; i
< num
; i
++) {
5299 if (freqs
[i
].freq
== freq
)
5304 if (wpas_p2p_num_unused_channels(wpa_s
) <= 0) {
5306 wpa_printf(MSG_DEBUG
, "P2P: Cannot force GO on freq (%u MHz) as all the channels are in use", freq
);
5310 wpa_printf(MSG_DEBUG
, "P2P: Use one of the free channels");
5320 static struct wpa_supplicant
*
5321 wpas_p2p_get_group_iface(struct wpa_supplicant
*wpa_s
, int addr_allocated
,
5324 struct wpa_supplicant
*group_wpa_s
;
5326 if (!wpas_p2p_create_iface(wpa_s
)) {
5327 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Use same interface for group "
5329 wpa_s
->p2p_first_connection_timeout
= 0;
5333 if (wpas_p2p_add_group_interface(wpa_s
, go
? WPA_IF_P2P_GO
:
5334 WPA_IF_P2P_CLIENT
) < 0) {
5335 wpa_msg_global(wpa_s
, MSG_ERROR
,
5336 "P2P: Failed to add group interface");
5339 group_wpa_s
= wpas_p2p_init_group_interface(wpa_s
, go
);
5340 if (group_wpa_s
== NULL
) {
5341 wpa_msg_global(wpa_s
, MSG_ERROR
,
5342 "P2P: Failed to initialize group interface");
5343 wpas_p2p_remove_pending_group_interface(wpa_s
);
5347 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Use separate group interface %s",
5348 group_wpa_s
->ifname
);
5349 group_wpa_s
->p2p_first_connection_timeout
= 0;
5355 * wpas_p2p_group_add - Add a new P2P group with local end as Group Owner
5356 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
5357 * @persistent_group: Whether to create a persistent group
5358 * @freq: Frequency for the group or 0 to indicate no hardcoding
5359 * @ht40: Start GO with 40 MHz channel width
5360 * @vht: Start GO with VHT support
5361 * Returns: 0 on success, -1 on failure
5363 * This function creates a new P2P group with the local end as the Group Owner,
5364 * i.e., without using Group Owner Negotiation.
5366 int wpas_p2p_group_add(struct wpa_supplicant
*wpa_s
, int persistent_group
,
5367 int freq
, int ht40
, int vht
)
5369 struct p2p_go_neg_results params
;
5371 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
5374 os_free(wpa_s
->global
->add_psk
);
5375 wpa_s
->global
->add_psk
= NULL
;
5377 /* Make sure we are not running find during connection establishment */
5378 wpa_printf(MSG_DEBUG
, "P2P: Stop any on-going P2P FIND");
5379 wpas_p2p_stop_find_oper(wpa_s
);
5381 freq
= wpas_p2p_select_go_freq(wpa_s
, freq
);
5385 if (wpas_p2p_init_go_params(wpa_s
, ¶ms
, freq
, ht40
, vht
, NULL
))
5388 !p2p_supported_freq_go(wpa_s
->global
->p2p
, params
.freq
)) {
5389 if ((wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_DFS_OFFLOAD
) &&
5390 ieee80211_is_dfs(params
.freq
)) {
5392 * If freq is a DFS channel and DFS is offloaded to the
5393 * driver, allow P2P GO to use it.
5395 wpa_printf(MSG_DEBUG
,
5396 "P2P: %s: The forced channel for GO (%u MHz) is DFS, and DFS is offloaded to driver",
5397 __func__
, params
.freq
);
5399 wpa_printf(MSG_DEBUG
,
5400 "P2P: The selected channel for GO (%u MHz) is not supported for P2P uses",
5405 p2p_go_params(wpa_s
->global
->p2p
, ¶ms
);
5406 params
.persistent_group
= persistent_group
;
5408 wpa_s
= wpas_p2p_get_group_iface(wpa_s
, 0, 1);
5411 wpas_start_wps_go(wpa_s
, ¶ms
, 0);
5417 static int wpas_start_p2p_client(struct wpa_supplicant
*wpa_s
,
5418 struct wpa_ssid
*params
, int addr_allocated
,
5421 struct wpa_ssid
*ssid
;
5423 wpa_s
= wpas_p2p_get_group_iface(wpa_s
, addr_allocated
, 0);
5426 wpa_s
->p2p_last_4way_hs_fail
= NULL
;
5428 wpa_supplicant_ap_deinit(wpa_s
);
5430 ssid
= wpa_config_add_network(wpa_s
->conf
);
5433 wpa_config_set_network_defaults(ssid
);
5434 ssid
->temporary
= 1;
5435 ssid
->proto
= WPA_PROTO_RSN
;
5436 ssid
->pairwise_cipher
= WPA_CIPHER_CCMP
;
5437 ssid
->group_cipher
= WPA_CIPHER_CCMP
;
5438 ssid
->key_mgmt
= WPA_KEY_MGMT_PSK
;
5439 ssid
->ssid
= os_malloc(params
->ssid_len
);
5440 if (ssid
->ssid
== NULL
) {
5441 wpa_config_remove_network(wpa_s
->conf
, ssid
->id
);
5444 os_memcpy(ssid
->ssid
, params
->ssid
, params
->ssid_len
);
5445 ssid
->ssid_len
= params
->ssid_len
;
5446 ssid
->p2p_group
= 1;
5447 ssid
->export_keys
= 1;
5448 if (params
->psk_set
) {
5449 os_memcpy(ssid
->psk
, params
->psk
, 32);
5452 if (params
->passphrase
)
5453 ssid
->passphrase
= os_strdup(params
->passphrase
);
5455 wpa_s
->show_group_started
= 1;
5456 wpa_s
->p2p_in_invitation
= 1;
5457 wpa_s
->p2p_invite_go_freq
= freq
;
5459 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
, wpa_s
->parent
,
5461 eloop_register_timeout(P2P_MAX_INITIAL_CONN_WAIT
, 0,
5462 wpas_p2p_group_formation_timeout
,
5463 wpa_s
->parent
, NULL
);
5464 wpa_supplicant_select_network(wpa_s
, ssid
);
5470 int wpas_p2p_group_add_persistent(struct wpa_supplicant
*wpa_s
,
5471 struct wpa_ssid
*ssid
, int addr_allocated
,
5472 int force_freq
, int neg_freq
, int ht40
,
5473 int vht
, const struct p2p_channels
*channels
,
5474 int connection_timeout
)
5476 struct p2p_go_neg_results params
;
5479 if (ssid
->disabled
!= 2 || ssid
->ssid
== NULL
)
5482 if (wpas_get_p2p_group(wpa_s
, ssid
->ssid
, ssid
->ssid_len
, &go
) &&
5483 go
== (ssid
->mode
== WPAS_MODE_P2P_GO
)) {
5484 wpa_printf(MSG_DEBUG
, "P2P: Requested persistent group is "
5489 os_free(wpa_s
->global
->add_psk
);
5490 wpa_s
->global
->add_psk
= NULL
;
5492 /* Make sure we are not running find during connection establishment */
5493 wpas_p2p_stop_find_oper(wpa_s
);
5495 wpa_s
->p2p_fallback_to_go_neg
= 0;
5497 if (ssid
->mode
== WPAS_MODE_P2P_GO
) {
5498 if (force_freq
> 0) {
5499 freq
= wpas_p2p_select_go_freq(wpa_s
, force_freq
);
5503 freq
= wpas_p2p_select_go_freq(wpa_s
, neg_freq
);
5505 (freq
> 0 && !freq_included(channels
, freq
)))
5508 } else if (ssid
->mode
== WPAS_MODE_INFRA
) {
5510 if (freq
<= 0 || !freq_included(channels
, freq
)) {
5511 struct os_reltime now
;
5512 struct wpa_bss
*bss
=
5513 wpa_bss_get_p2p_dev_addr(wpa_s
, ssid
->bssid
);
5515 os_get_reltime(&now
);
5517 !os_reltime_expired(&now
, &bss
->last_update
, 5) &&
5518 freq_included(channels
, bss
->freq
))
5524 return wpas_start_p2p_client(wpa_s
, ssid
, addr_allocated
, freq
);
5529 if (wpas_p2p_init_go_params(wpa_s
, ¶ms
, freq
, ht40
, vht
, channels
))
5533 params
.psk_set
= ssid
->psk_set
;
5535 os_memcpy(params
.psk
, ssid
->psk
, sizeof(params
.psk
));
5536 if (ssid
->passphrase
) {
5537 if (os_strlen(ssid
->passphrase
) >= sizeof(params
.passphrase
)) {
5538 wpa_printf(MSG_ERROR
, "P2P: Invalid passphrase in "
5539 "persistent group");
5542 os_strlcpy(params
.passphrase
, ssid
->passphrase
,
5543 sizeof(params
.passphrase
));
5545 os_memcpy(params
.ssid
, ssid
->ssid
, ssid
->ssid_len
);
5546 params
.ssid_len
= ssid
->ssid_len
;
5547 params
.persistent_group
= 1;
5549 wpa_s
= wpas_p2p_get_group_iface(wpa_s
, addr_allocated
, 1);
5553 p2p_channels_to_freqs(channels
, params
.freq_list
, P2P_MAX_CHANNELS
);
5555 wpa_s
->p2p_first_connection_timeout
= connection_timeout
;
5556 wpas_start_wps_go(wpa_s
, ¶ms
, 0);
5562 static void wpas_p2p_ie_update(void *ctx
, struct wpabuf
*beacon_ies
,
5563 struct wpabuf
*proberesp_ies
)
5565 struct wpa_supplicant
*wpa_s
= ctx
;
5566 if (wpa_s
->ap_iface
) {
5567 struct hostapd_data
*hapd
= wpa_s
->ap_iface
->bss
[0];
5568 if (!(hapd
->conf
->p2p
& P2P_GROUP_OWNER
)) {
5569 wpabuf_free(beacon_ies
);
5570 wpabuf_free(proberesp_ies
);
5574 wpabuf_free(hapd
->p2p_beacon_ie
);
5575 hapd
->p2p_beacon_ie
= beacon_ies
;
5577 wpabuf_free(hapd
->p2p_probe_resp_ie
);
5578 hapd
->p2p_probe_resp_ie
= proberesp_ies
;
5580 wpabuf_free(beacon_ies
);
5581 wpabuf_free(proberesp_ies
);
5583 wpa_supplicant_ap_update_beacon(wpa_s
);
5587 static void wpas_p2p_idle_update(void *ctx
, int idle
)
5589 struct wpa_supplicant
*wpa_s
= ctx
;
5590 if (!wpa_s
->ap_iface
)
5592 wpa_printf(MSG_DEBUG
, "P2P: GO - group %sidle", idle
? "" : "not ");
5594 if (wpa_s
->global
->p2p_fail_on_wps_complete
&&
5595 wpa_s
->p2p_in_provisioning
) {
5596 wpas_p2p_grpform_fail_after_wps(wpa_s
);
5599 wpas_p2p_set_group_idle_timeout(wpa_s
);
5601 eloop_cancel_timeout(wpas_p2p_group_idle_timeout
, wpa_s
, NULL
);
5605 struct p2p_group
* wpas_p2p_group_init(struct wpa_supplicant
*wpa_s
,
5606 struct wpa_ssid
*ssid
)
5608 struct p2p_group
*group
;
5609 struct p2p_group_config
*cfg
;
5611 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
5614 cfg
= os_zalloc(sizeof(*cfg
));
5618 if (ssid
->p2p_persistent_group
&& wpa_s
->conf
->persistent_reconnect
)
5619 cfg
->persistent_group
= 2;
5620 else if (ssid
->p2p_persistent_group
)
5621 cfg
->persistent_group
= 1;
5622 os_memcpy(cfg
->interface_addr
, wpa_s
->own_addr
, ETH_ALEN
);
5623 if (wpa_s
->max_stations
&&
5624 wpa_s
->max_stations
< wpa_s
->conf
->max_num_sta
)
5625 cfg
->max_clients
= wpa_s
->max_stations
;
5627 cfg
->max_clients
= wpa_s
->conf
->max_num_sta
;
5628 os_memcpy(cfg
->ssid
, ssid
->ssid
, ssid
->ssid_len
);
5629 cfg
->ssid_len
= ssid
->ssid_len
;
5630 cfg
->freq
= ssid
->frequency
;
5631 cfg
->cb_ctx
= wpa_s
;
5632 cfg
->ie_update
= wpas_p2p_ie_update
;
5633 cfg
->idle_update
= wpas_p2p_idle_update
;
5635 group
= p2p_group_init(wpa_s
->global
->p2p
, cfg
);
5638 if (ssid
->mode
!= WPAS_MODE_P2P_GROUP_FORMATION
)
5639 p2p_group_notif_formation_done(group
);
5640 wpa_s
->p2p_group
= group
;
5645 void wpas_p2p_wps_success(struct wpa_supplicant
*wpa_s
, const u8
*peer_addr
,
5648 struct wpa_ssid
*ssid
= wpa_s
->current_ssid
;
5650 if (!wpa_s
->p2p_in_provisioning
) {
5651 wpa_printf(MSG_DEBUG
, "P2P: Ignore WPS success event - P2P "
5652 "provisioning not in progress");
5656 if (ssid
&& ssid
->mode
== WPAS_MODE_INFRA
) {
5657 u8 go_dev_addr
[ETH_ALEN
];
5658 os_memcpy(go_dev_addr
, wpa_s
->bssid
, ETH_ALEN
);
5659 wpas_p2p_persistent_group(wpa_s
, go_dev_addr
, ssid
->ssid
,
5661 /* Clear any stored provisioning info */
5662 p2p_clear_provisioning_info(wpa_s
->global
->p2p
, go_dev_addr
);
5665 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
, wpa_s
->parent
,
5667 wpa_s
->p2p_go_group_formation_completed
= 1;
5668 if (ssid
&& ssid
->mode
== WPAS_MODE_INFRA
) {
5670 * Use a separate timeout for initial data connection to
5671 * complete to allow the group to be removed automatically if
5672 * something goes wrong in this step before the P2P group idle
5673 * timeout mechanism is taken into use.
5675 wpa_dbg(wpa_s
, MSG_DEBUG
,
5676 "P2P: Re-start group formation timeout (%d seconds) as client for initial connection",
5677 P2P_MAX_INITIAL_CONN_WAIT
);
5678 eloop_register_timeout(P2P_MAX_INITIAL_CONN_WAIT
, 0,
5679 wpas_p2p_group_formation_timeout
,
5680 wpa_s
->parent
, NULL
);
5683 * Use a separate timeout for initial data connection to
5684 * complete to allow the group to be removed automatically if
5685 * the client does not complete data connection successfully.
5687 wpa_dbg(wpa_s
, MSG_DEBUG
,
5688 "P2P: Re-start group formation timeout (%d seconds) as GO for initial connection",
5689 P2P_MAX_INITIAL_CONN_WAIT_GO
);
5690 eloop_register_timeout(P2P_MAX_INITIAL_CONN_WAIT_GO
, 0,
5691 wpas_p2p_group_formation_timeout
,
5692 wpa_s
->parent
, NULL
);
5694 * Complete group formation on first successful data connection
5696 wpa_s
->p2p_go_group_formation_completed
= 0;
5698 if (wpa_s
->global
->p2p
)
5699 p2p_wps_success_cb(wpa_s
->global
->p2p
, peer_addr
);
5700 wpas_group_formation_completed(wpa_s
, 1);
5704 void wpas_p2p_wps_failed(struct wpa_supplicant
*wpa_s
,
5705 struct wps_event_fail
*fail
)
5707 if (!wpa_s
->p2p_in_provisioning
) {
5708 wpa_printf(MSG_DEBUG
, "P2P: Ignore WPS fail event - P2P "
5709 "provisioning not in progress");
5713 if (wpa_s
->go_params
) {
5714 p2p_clear_provisioning_info(
5716 wpa_s
->go_params
->peer_device_addr
);
5719 wpas_notify_p2p_wps_failed(wpa_s
, fail
);
5721 if (wpa_s
== wpa_s
->global
->p2p_group_formation
) {
5723 * Allow some time for the failed WPS negotiation exchange to
5724 * complete, but remove the group since group formation cannot
5725 * succeed after provisioning failure.
5727 wpa_printf(MSG_DEBUG
, "P2P: WPS step failed during group formation - reject connection from timeout");
5728 wpa_s
->global
->p2p_fail_on_wps_complete
= 1;
5729 eloop_deplete_timeout(0, 50000,
5730 wpas_p2p_group_formation_timeout
,
5731 wpa_s
->parent
, NULL
);
5736 int wpas_p2p_wps_eapol_cb(struct wpa_supplicant
*wpa_s
)
5738 if (!wpa_s
->global
->p2p_fail_on_wps_complete
||
5739 !wpa_s
->p2p_in_provisioning
)
5742 wpas_p2p_grpform_fail_after_wps(wpa_s
);
5748 int wpas_p2p_prov_disc(struct wpa_supplicant
*wpa_s
, const u8
*peer_addr
,
5749 const char *config_method
,
5750 enum wpas_p2p_prov_disc_use use
,
5751 struct p2ps_provision
*p2ps_prov
)
5755 wpa_s
->global
->pending_p2ps_group
= 0;
5756 wpa_s
->p2p_fallback_to_go_neg
= 0;
5757 wpa_s
->pending_pd_use
= NORMAL_PD
;
5758 if (p2ps_prov
&& use
== WPAS_P2P_PD_FOR_ASP
) {
5759 p2ps_prov
->conncap
= p2ps_group_capability(
5760 wpa_s
, P2PS_SETUP_NONE
, p2ps_prov
->role
);
5761 wpa_printf(MSG_DEBUG
,
5762 "P2P: %s conncap: %d - ASP parsed: %x %x %d %s",
5763 __func__
, p2ps_prov
->conncap
,
5764 p2ps_prov
->adv_id
, p2ps_prov
->conncap
,
5765 p2ps_prov
->status
, p2ps_prov
->info
);
5768 } else if (os_strncmp(config_method
, "display", 7) == 0)
5769 config_methods
= WPS_CONFIG_DISPLAY
;
5770 else if (os_strncmp(config_method
, "keypad", 6) == 0)
5771 config_methods
= WPS_CONFIG_KEYPAD
;
5772 else if (os_strncmp(config_method
, "pbc", 3) == 0 ||
5773 os_strncmp(config_method
, "pushbutton", 10) == 0)
5774 config_methods
= WPS_CONFIG_PUSHBUTTON
;
5776 wpa_printf(MSG_DEBUG
, "P2P: Unknown config method");
5781 if (use
== WPAS_P2P_PD_AUTO
) {
5782 os_memcpy(wpa_s
->pending_join_dev_addr
, peer_addr
, ETH_ALEN
);
5783 wpa_s
->pending_pd_config_methods
= config_methods
;
5784 wpa_s
->p2p_auto_pd
= 1;
5785 wpa_s
->p2p_auto_join
= 0;
5786 wpa_s
->pending_pd_before_join
= 0;
5787 wpa_s
->auto_pd_scan_retry
= 0;
5788 wpas_p2p_stop_find(wpa_s
);
5789 wpa_s
->p2p_join_scan_count
= 0;
5790 os_get_reltime(&wpa_s
->p2p_auto_started
);
5791 wpa_printf(MSG_DEBUG
, "P2P: Auto PD started at %ld.%06ld",
5792 wpa_s
->p2p_auto_started
.sec
,
5793 wpa_s
->p2p_auto_started
.usec
);
5794 wpas_p2p_join_scan(wpa_s
, NULL
);
5798 if (wpa_s
->global
->p2p
== NULL
|| wpa_s
->global
->p2p_disabled
) {
5803 return p2p_prov_disc_req(wpa_s
->global
->p2p
, peer_addr
, p2ps_prov
,
5804 config_methods
, use
== WPAS_P2P_PD_FOR_JOIN
,
5809 int wpas_p2p_scan_result_text(const u8
*ies
, size_t ies_len
, char *buf
,
5812 return p2p_scan_result_text(ies
, ies_len
, buf
, end
);
5816 static void wpas_p2p_clear_pending_action_tx(struct wpa_supplicant
*wpa_s
)
5818 if (!offchannel_pending_action_tx(wpa_s
))
5821 wpas_p2p_action_tx_clear(wpa_s
);
5823 wpa_printf(MSG_DEBUG
, "P2P: Drop pending Action TX due to new "
5824 "operation request");
5825 offchannel_clear_pending_action_tx(wpa_s
);
5829 int wpas_p2p_find(struct wpa_supplicant
*wpa_s
, unsigned int timeout
,
5830 enum p2p_discovery_type type
,
5831 unsigned int num_req_dev_types
, const u8
*req_dev_types
,
5832 const u8
*dev_id
, unsigned int search_delay
,
5833 u8 seek_cnt
, const char **seek_string
, int freq
)
5835 wpas_p2p_clear_pending_action_tx(wpa_s
);
5836 wpa_s
->p2p_long_listen
= 0;
5838 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
||
5839 wpa_s
->p2p_in_provisioning
)
5842 wpa_supplicant_cancel_sched_scan(wpa_s
);
5844 return p2p_find(wpa_s
->global
->p2p
, timeout
, type
,
5845 num_req_dev_types
, req_dev_types
, dev_id
,
5846 search_delay
, seek_cnt
, seek_string
, freq
);
5850 static void wpas_p2p_scan_res_ignore_search(struct wpa_supplicant
*wpa_s
,
5851 struct wpa_scan_results
*scan_res
)
5853 wpa_printf(MSG_DEBUG
, "P2P: Ignore scan results");
5855 if (wpa_s
->p2p_scan_work
) {
5856 struct wpa_radio_work
*work
= wpa_s
->p2p_scan_work
;
5857 wpa_s
->p2p_scan_work
= NULL
;
5858 radio_work_done(work
);
5861 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
5865 * Indicate that results have been processed so that the P2P module can
5866 * continue pending tasks.
5868 p2p_scan_res_handled(wpa_s
->global
->p2p
);
5872 static void wpas_p2p_stop_find_oper(struct wpa_supplicant
*wpa_s
)
5874 wpas_p2p_clear_pending_action_tx(wpa_s
);
5875 wpa_s
->p2p_long_listen
= 0;
5876 eloop_cancel_timeout(wpas_p2p_long_listen_timeout
, wpa_s
, NULL
);
5877 eloop_cancel_timeout(wpas_p2p_join_scan
, wpa_s
, NULL
);
5879 if (wpa_s
->global
->p2p
)
5880 p2p_stop_find(wpa_s
->global
->p2p
);
5882 if (wpa_s
->scan_res_handler
== wpas_p2p_scan_res_handler
) {
5883 wpa_printf(MSG_DEBUG
,
5884 "P2P: Do not consider the scan results after stop_find");
5885 wpa_s
->scan_res_handler
= wpas_p2p_scan_res_ignore_search
;
5890 void wpas_p2p_stop_find(struct wpa_supplicant
*wpa_s
)
5892 wpas_p2p_stop_find_oper(wpa_s
);
5893 if (!wpa_s
->global
->pending_group_iface_for_p2ps
)
5894 wpas_p2p_remove_pending_group_interface(wpa_s
);
5898 static void wpas_p2p_long_listen_timeout(void *eloop_ctx
, void *timeout_ctx
)
5900 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
5901 wpa_s
->p2p_long_listen
= 0;
5905 int wpas_p2p_listen(struct wpa_supplicant
*wpa_s
, unsigned int timeout
)
5909 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
5912 wpa_supplicant_cancel_sched_scan(wpa_s
);
5913 wpas_p2p_clear_pending_action_tx(wpa_s
);
5917 * This is a request for unlimited Listen state. However, at
5918 * least for now, this is mapped to a Listen state for one
5923 eloop_cancel_timeout(wpas_p2p_long_listen_timeout
, wpa_s
, NULL
);
5924 wpa_s
->p2p_long_listen
= 0;
5927 * Stop previous find/listen operation to avoid trying to request a new
5928 * remain-on-channel operation while the driver is still running the
5931 if (wpa_s
->global
->p2p
)
5932 p2p_stop_find(wpa_s
->global
->p2p
);
5934 res
= wpas_p2p_listen_start(wpa_s
, timeout
* 1000);
5935 if (res
== 0 && timeout
* 1000 > wpa_s
->max_remain_on_chan
) {
5936 wpa_s
->p2p_long_listen
= timeout
* 1000;
5937 eloop_register_timeout(timeout
, 0,
5938 wpas_p2p_long_listen_timeout
,
5946 int wpas_p2p_assoc_req_ie(struct wpa_supplicant
*wpa_s
, struct wpa_bss
*bss
,
5947 u8
*buf
, size_t len
, int p2p_group
)
5949 struct wpabuf
*p2p_ie
;
5952 if (wpa_s
->global
->p2p_disabled
)
5955 * Advertize mandatory cross connection capability even on
5956 * p2p_disabled=1 interface when associating with a P2P Manager WLAN AP.
5958 if (wpa_s
->conf
->p2p_disabled
&& p2p_group
)
5960 if (wpa_s
->global
->p2p
== NULL
)
5965 p2p_ie
= wpa_bss_get_vendor_ie_multi(bss
, P2P_IE_VENDOR_TYPE
);
5966 ret
= p2p_assoc_req_ie(wpa_s
->global
->p2p
, bss
->bssid
, buf
, len
,
5968 wpabuf_free(p2p_ie
);
5974 int wpas_p2p_probe_req_rx(struct wpa_supplicant
*wpa_s
, const u8
*addr
,
5975 const u8
*dst
, const u8
*bssid
,
5976 const u8
*ie
, size_t ie_len
, int ssi_signal
)
5978 if (wpa_s
->global
->p2p_disabled
)
5980 if (wpa_s
->global
->p2p
== NULL
)
5983 switch (p2p_probe_req_rx(wpa_s
->global
->p2p
, addr
, dst
, bssid
,
5985 case P2P_PREQ_NOT_P2P
:
5986 wpas_notify_preq(wpa_s
, addr
, dst
, bssid
, ie
, ie_len
,
5989 case P2P_PREQ_MALFORMED
:
5990 case P2P_PREQ_NOT_LISTEN
:
5991 case P2P_PREQ_NOT_PROCESSED
:
5992 default: /* make gcc happy */
5994 case P2P_PREQ_PROCESSED
:
6000 void wpas_p2p_rx_action(struct wpa_supplicant
*wpa_s
, const u8
*da
,
6001 const u8
*sa
, const u8
*bssid
,
6002 u8 category
, const u8
*data
, size_t len
, int freq
)
6004 if (wpa_s
->global
->p2p_disabled
)
6006 if (wpa_s
->global
->p2p
== NULL
)
6009 p2p_rx_action(wpa_s
->global
->p2p
, da
, sa
, bssid
, category
, data
, len
,
6014 void wpas_p2p_scan_ie(struct wpa_supplicant
*wpa_s
, struct wpabuf
*ies
)
6016 if (wpa_s
->global
->p2p_disabled
)
6018 if (wpa_s
->global
->p2p
== NULL
)
6021 p2p_scan_ie(wpa_s
->global
->p2p
, ies
, NULL
);
6025 static void wpas_p2p_group_deinit(struct wpa_supplicant
*wpa_s
)
6027 p2p_group_deinit(wpa_s
->p2p_group
);
6028 wpa_s
->p2p_group
= NULL
;
6030 wpa_s
->ap_configured_cb
= NULL
;
6031 wpa_s
->ap_configured_cb_ctx
= NULL
;
6032 wpa_s
->ap_configured_cb_data
= NULL
;
6033 wpa_s
->connect_without_scan
= NULL
;
6037 int wpas_p2p_reject(struct wpa_supplicant
*wpa_s
, const u8
*addr
)
6039 wpa_s
->p2p_long_listen
= 0;
6041 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
6044 return p2p_reject(wpa_s
->global
->p2p
, addr
);
6048 /* Invite to reinvoke a persistent group */
6049 int wpas_p2p_invite(struct wpa_supplicant
*wpa_s
, const u8
*peer_addr
,
6050 struct wpa_ssid
*ssid
, const u8
*go_dev_addr
, int freq
,
6051 int ht40
, int vht
, int pref_freq
)
6053 enum p2p_invite_role role
;
6057 int no_pref_freq_given
= pref_freq
== 0;
6059 wpa_s
->global
->p2p_invite_group
= NULL
;
6061 os_memcpy(wpa_s
->p2p_auth_invite
, peer_addr
, ETH_ALEN
);
6063 os_memset(wpa_s
->p2p_auth_invite
, 0, ETH_ALEN
);
6065 wpa_s
->p2p_persistent_go_freq
= freq
;
6066 wpa_s
->p2p_go_ht40
= !!ht40
;
6067 if (ssid
->mode
== WPAS_MODE_P2P_GO
) {
6068 role
= P2P_INVITE_ROLE_GO
;
6069 if (peer_addr
== NULL
) {
6070 wpa_printf(MSG_DEBUG
, "P2P: Missing peer "
6071 "address in invitation command");
6074 if (wpas_p2p_create_iface(wpa_s
)) {
6075 if (wpas_p2p_add_group_interface(wpa_s
,
6076 WPA_IF_P2P_GO
) < 0) {
6077 wpa_printf(MSG_ERROR
, "P2P: Failed to "
6078 "allocate a new interface for the "
6082 bssid
= wpa_s
->pending_interface_addr
;
6084 bssid
= wpa_s
->own_addr
;
6086 role
= P2P_INVITE_ROLE_CLIENT
;
6087 peer_addr
= ssid
->bssid
;
6089 wpa_s
->pending_invite_ssid_id
= ssid
->id
;
6091 res
= wpas_p2p_setup_freqs(wpa_s
, freq
, &force_freq
, &pref_freq
,
6092 role
== P2P_INVITE_ROLE_GO
);
6096 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
6099 if (wpa_s
->parent
->conf
->p2p_ignore_shared_freq
&&
6100 no_pref_freq_given
&& pref_freq
> 0 &&
6101 wpa_s
->num_multichan_concurrent
> 1 &&
6102 wpas_p2p_num_unused_channels(wpa_s
) > 0) {
6103 wpa_printf(MSG_DEBUG
, "P2P: Ignore own channel preference %d MHz for invitation due to p2p_ignore_shared_freq=1 configuration",
6109 * Stop any find/listen operations before invitation and possibly
6110 * connection establishment.
6112 wpas_p2p_stop_find_oper(wpa_s
);
6114 return p2p_invite(wpa_s
->global
->p2p
, peer_addr
, role
, bssid
,
6115 ssid
->ssid
, ssid
->ssid_len
, force_freq
, go_dev_addr
,
6120 /* Invite to join an active group */
6121 int wpas_p2p_invite_group(struct wpa_supplicant
*wpa_s
, const char *ifname
,
6122 const u8
*peer_addr
, const u8
*go_dev_addr
)
6124 struct wpa_global
*global
= wpa_s
->global
;
6125 enum p2p_invite_role role
;
6127 struct wpa_ssid
*ssid
;
6129 int freq
= 0, force_freq
= 0, pref_freq
= 0;
6132 wpa_s
->p2p_persistent_go_freq
= 0;
6133 wpa_s
->p2p_go_ht40
= 0;
6134 wpa_s
->p2p_go_vht
= 0;
6136 for (wpa_s
= global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
6137 if (os_strcmp(wpa_s
->ifname
, ifname
) == 0)
6140 if (wpa_s
== NULL
) {
6141 wpa_printf(MSG_DEBUG
, "P2P: Interface '%s' not found", ifname
);
6145 ssid
= wpa_s
->current_ssid
;
6147 wpa_printf(MSG_DEBUG
, "P2P: No current SSID to use for "
6152 wpa_s
->global
->p2p_invite_group
= wpa_s
;
6153 persistent
= ssid
->p2p_persistent_group
&&
6154 wpas_p2p_get_persistent(wpa_s
->parent
, peer_addr
,
6155 ssid
->ssid
, ssid
->ssid_len
);
6157 if (ssid
->mode
== WPAS_MODE_P2P_GO
) {
6158 role
= P2P_INVITE_ROLE_ACTIVE_GO
;
6159 bssid
= wpa_s
->own_addr
;
6160 if (go_dev_addr
== NULL
)
6161 go_dev_addr
= wpa_s
->global
->p2p_dev_addr
;
6162 freq
= ssid
->frequency
;
6164 role
= P2P_INVITE_ROLE_CLIENT
;
6165 if (wpa_s
->wpa_state
< WPA_ASSOCIATED
) {
6166 wpa_printf(MSG_DEBUG
, "P2P: Not associated - cannot "
6167 "invite to current group");
6170 bssid
= wpa_s
->bssid
;
6171 if (go_dev_addr
== NULL
&&
6172 !is_zero_ether_addr(wpa_s
->go_dev_addr
))
6173 go_dev_addr
= wpa_s
->go_dev_addr
;
6174 freq
= wpa_s
->current_bss
? wpa_s
->current_bss
->freq
:
6175 (int) wpa_s
->assoc_freq
;
6177 wpa_s
->parent
->pending_invite_ssid_id
= -1;
6179 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
6182 res
= wpas_p2p_setup_freqs(wpa_s
, freq
, &force_freq
, &pref_freq
,
6183 role
== P2P_INVITE_ROLE_ACTIVE_GO
);
6186 wpas_p2p_set_own_freq_preference(wpa_s
, force_freq
);
6188 return p2p_invite(wpa_s
->global
->p2p
, peer_addr
, role
, bssid
,
6189 ssid
->ssid
, ssid
->ssid_len
, force_freq
,
6190 go_dev_addr
, persistent
, pref_freq
, -1);
6194 void wpas_p2p_completed(struct wpa_supplicant
*wpa_s
)
6196 struct wpa_ssid
*ssid
= wpa_s
->current_ssid
;
6197 u8 go_dev_addr
[ETH_ALEN
];
6198 int network_id
= -1;
6204 if (ssid
== NULL
|| ssid
->mode
!= WPAS_MODE_P2P_GROUP_FORMATION
) {
6205 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
,
6206 wpa_s
->parent
, NULL
);
6209 if (!wpa_s
->show_group_started
|| !ssid
)
6212 wpa_s
->show_group_started
= 0;
6214 os_memset(go_dev_addr
, 0, ETH_ALEN
);
6215 if (ssid
->bssid_set
)
6216 os_memcpy(go_dev_addr
, ssid
->bssid
, ETH_ALEN
);
6217 persistent
= wpas_p2p_persistent_group(wpa_s
, go_dev_addr
, ssid
->ssid
,
6219 os_memcpy(wpa_s
->go_dev_addr
, go_dev_addr
, ETH_ALEN
);
6221 if (wpa_s
->global
->p2p_group_formation
== wpa_s
)
6222 wpa_s
->global
->p2p_group_formation
= NULL
;
6224 freq
= wpa_s
->current_bss
? wpa_s
->current_bss
->freq
:
6225 (int) wpa_s
->assoc_freq
;
6228 if (wpa_sm_get_p2p_ip_addr(wpa_s
->wpa
, ip
) == 0) {
6231 res
= os_snprintf(ip_addr
, sizeof(ip_addr
),
6232 " ip_addr=%u.%u.%u.%u "
6233 "ip_mask=%u.%u.%u.%u go_ip_addr=%u.%u.%u.%u",
6234 ip
[0], ip
[1], ip
[2], ip
[3],
6235 ip
[4], ip
[5], ip
[6], ip
[7],
6236 ip
[8], ip
[9], ip
[10], ip
[11]);
6237 if (os_snprintf_error(sizeof(ip_addr
), res
))
6241 wpas_p2p_group_started(wpa_s
, 0, ssid
, freq
,
6242 ssid
->passphrase
== NULL
&& ssid
->psk_set
?
6244 ssid
->passphrase
, go_dev_addr
, persistent
,
6248 network_id
= wpas_p2p_store_persistent_group(wpa_s
->parent
,
6251 network_id
= ssid
->id
;
6252 wpas_notify_p2p_group_started(wpa_s
, ssid
, network_id
, 1);
6256 int wpas_p2p_presence_req(struct wpa_supplicant
*wpa_s
, u32 duration1
,
6257 u32 interval1
, u32 duration2
, u32 interval2
)
6261 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
6264 if (wpa_s
->wpa_state
< WPA_ASSOCIATED
||
6265 wpa_s
->current_ssid
== NULL
||
6266 wpa_s
->current_ssid
->mode
!= WPAS_MODE_INFRA
)
6269 ret
= p2p_presence_req(wpa_s
->global
->p2p
, wpa_s
->bssid
,
6270 wpa_s
->own_addr
, wpa_s
->assoc_freq
,
6271 duration1
, interval1
, duration2
, interval2
);
6273 wpa_s
->waiting_presence_resp
= 1;
6279 int wpas_p2p_ext_listen(struct wpa_supplicant
*wpa_s
, unsigned int period
,
6280 unsigned int interval
)
6282 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
6285 return p2p_ext_listen(wpa_s
->global
->p2p
, period
, interval
);
6289 static int wpas_p2p_is_client(struct wpa_supplicant
*wpa_s
)
6291 if (wpa_s
->current_ssid
== NULL
) {
6293 * current_ssid can be cleared when P2P client interface gets
6294 * disconnected, so assume this interface was used as P2P
6299 return wpa_s
->current_ssid
->p2p_group
&&
6300 wpa_s
->current_ssid
->mode
== WPAS_MODE_INFRA
;
6304 static void wpas_p2p_group_idle_timeout(void *eloop_ctx
, void *timeout_ctx
)
6306 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
6308 if (wpa_s
->conf
->p2p_group_idle
== 0 && !wpas_p2p_is_client(wpa_s
)) {
6309 wpa_printf(MSG_DEBUG
, "P2P: Ignore group idle timeout - "
6314 wpa_printf(MSG_DEBUG
, "P2P: Group idle timeout reached - terminate "
6316 wpas_p2p_group_delete(wpa_s
, P2P_GROUP_REMOVAL_IDLE_TIMEOUT
);
6320 static void wpas_p2p_set_group_idle_timeout(struct wpa_supplicant
*wpa_s
)
6324 if (eloop_cancel_timeout(wpas_p2p_group_idle_timeout
, wpa_s
, NULL
) > 0)
6325 wpa_printf(MSG_DEBUG
, "P2P: Cancelled P2P group idle timeout");
6327 if (wpa_s
->current_ssid
== NULL
|| !wpa_s
->current_ssid
->p2p_group
)
6330 timeout
= wpa_s
->conf
->p2p_group_idle
;
6331 if (wpa_s
->current_ssid
->mode
== WPAS_MODE_INFRA
&&
6332 (timeout
== 0 || timeout
> P2P_MAX_CLIENT_IDLE
))
6333 timeout
= P2P_MAX_CLIENT_IDLE
;
6339 if (wpa_s
->current_ssid
->mode
== WPAS_MODE_INFRA
)
6340 timeout
= 0; /* special client mode no-timeout */
6345 if (wpa_s
->p2p_in_provisioning
) {
6347 * Use the normal group formation timeout during the
6348 * provisioning phase to avoid terminating this process too
6349 * early due to group idle timeout.
6351 wpa_printf(MSG_DEBUG
, "P2P: Do not use P2P group idle timeout "
6352 "during provisioning");
6356 if (wpa_s
->show_group_started
) {
6358 * Use the normal group formation timeout between the end of
6359 * the provisioning phase and completion of 4-way handshake to
6360 * avoid terminating this process too early due to group idle
6363 wpa_printf(MSG_DEBUG
, "P2P: Do not use P2P group idle timeout "
6364 "while waiting for initial 4-way handshake to "
6369 wpa_printf(MSG_DEBUG
, "P2P: Set P2P group idle timeout to %u seconds",
6371 eloop_register_timeout(timeout
, 0, wpas_p2p_group_idle_timeout
,
6376 /* Returns 1 if the interface was removed */
6377 int wpas_p2p_deauth_notif(struct wpa_supplicant
*wpa_s
, const u8
*bssid
,
6378 u16 reason_code
, const u8
*ie
, size_t ie_len
,
6379 int locally_generated
)
6381 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
6384 if (!locally_generated
)
6385 p2p_deauth_notif(wpa_s
->global
->p2p
, bssid
, reason_code
, ie
,
6388 if (reason_code
== WLAN_REASON_DEAUTH_LEAVING
&& !locally_generated
&&
6389 wpa_s
->current_ssid
&&
6390 wpa_s
->current_ssid
->p2p_group
&&
6391 wpa_s
->current_ssid
->mode
== WPAS_MODE_INFRA
) {
6392 wpa_printf(MSG_DEBUG
, "P2P: GO indicated that the P2P Group "
6393 "session is ending");
6394 if (wpas_p2p_group_delete(wpa_s
,
6395 P2P_GROUP_REMOVAL_GO_ENDING_SESSION
)
6404 void wpas_p2p_disassoc_notif(struct wpa_supplicant
*wpa_s
, const u8
*bssid
,
6405 u16 reason_code
, const u8
*ie
, size_t ie_len
,
6406 int locally_generated
)
6408 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
6411 if (!locally_generated
)
6412 p2p_disassoc_notif(wpa_s
->global
->p2p
, bssid
, reason_code
, ie
,
6417 void wpas_p2p_update_config(struct wpa_supplicant
*wpa_s
)
6419 struct p2p_data
*p2p
= wpa_s
->global
->p2p
;
6424 if (!(wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_P2P_CAPABLE
))
6427 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_DEVICE_NAME
)
6428 p2p_set_dev_name(p2p
, wpa_s
->conf
->device_name
);
6430 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_DEVICE_TYPE
)
6431 p2p_set_pri_dev_type(p2p
, wpa_s
->conf
->device_type
);
6434 (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_CONFIG_METHODS
))
6435 p2p_set_config_methods(p2p
, wpa_s
->wps
->config_methods
);
6437 if (wpa_s
->wps
&& (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_UUID
))
6438 p2p_set_uuid(p2p
, wpa_s
->wps
->uuid
);
6440 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_WPS_STRING
) {
6441 p2p_set_manufacturer(p2p
, wpa_s
->conf
->manufacturer
);
6442 p2p_set_model_name(p2p
, wpa_s
->conf
->model_name
);
6443 p2p_set_model_number(p2p
, wpa_s
->conf
->model_number
);
6444 p2p_set_serial_number(p2p
, wpa_s
->conf
->serial_number
);
6447 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_SEC_DEVICE_TYPE
)
6448 p2p_set_sec_dev_types(p2p
,
6449 (void *) wpa_s
->conf
->sec_device_type
,
6450 wpa_s
->conf
->num_sec_device_types
);
6452 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_VENDOR_EXTENSION
) {
6454 p2p_remove_wps_vendor_extensions(p2p
);
6455 for (i
= 0; i
< MAX_WPS_VENDOR_EXT
; i
++) {
6456 if (wpa_s
->conf
->wps_vendor_ext
[i
] == NULL
)
6458 p2p_add_wps_vendor_extension(
6459 p2p
, wpa_s
->conf
->wps_vendor_ext
[i
]);
6463 if ((wpa_s
->conf
->changed_parameters
& CFG_CHANGED_COUNTRY
) &&
6464 wpa_s
->conf
->country
[0] && wpa_s
->conf
->country
[1]) {
6466 country
[0] = wpa_s
->conf
->country
[0];
6467 country
[1] = wpa_s
->conf
->country
[1];
6469 p2p_set_country(p2p
, country
);
6472 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_P2P_SSID_POSTFIX
) {
6473 p2p_set_ssid_postfix(p2p
, (u8
*) wpa_s
->conf
->p2p_ssid_postfix
,
6474 wpa_s
->conf
->p2p_ssid_postfix
?
6475 os_strlen(wpa_s
->conf
->p2p_ssid_postfix
) :
6479 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_P2P_INTRA_BSS
)
6480 p2p_set_intra_bss_dist(p2p
, wpa_s
->conf
->p2p_intra_bss
);
6482 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_P2P_LISTEN_CHANNEL
) {
6483 u8 reg_class
, channel
;
6488 if (wpa_s
->conf
->p2p_listen_reg_class
&&
6489 wpa_s
->conf
->p2p_listen_channel
) {
6490 reg_class
= wpa_s
->conf
->p2p_listen_reg_class
;
6491 channel
= wpa_s
->conf
->p2p_listen_channel
;
6496 * Pick one of the social channels randomly as the
6499 if (os_get_random((u8
*) &r
, sizeof(r
)) < 0)
6502 channel
= 1 + (r
% 3) * 5;
6505 ret
= p2p_set_listen_channel(p2p
, reg_class
, channel
,
6508 wpa_printf(MSG_ERROR
, "P2P: Own listen channel update "
6511 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_P2P_OPER_CHANNEL
) {
6512 u8 op_reg_class
, op_channel
, cfg_op_channel
;
6515 if (wpa_s
->conf
->p2p_oper_reg_class
&&
6516 wpa_s
->conf
->p2p_oper_channel
) {
6517 op_reg_class
= wpa_s
->conf
->p2p_oper_reg_class
;
6518 op_channel
= wpa_s
->conf
->p2p_oper_channel
;
6523 * Use random operation channel from (1, 6, 11)
6524 *if no other preference is indicated.
6526 if (os_get_random((u8
*) &r
, sizeof(r
)) < 0)
6529 op_channel
= 1 + (r
% 3) * 5;
6532 ret
= p2p_set_oper_channel(p2p
, op_reg_class
, op_channel
,
6535 wpa_printf(MSG_ERROR
, "P2P: Own oper channel update "
6539 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_P2P_PREF_CHAN
) {
6540 if (p2p_set_pref_chan(p2p
, wpa_s
->conf
->num_p2p_pref_chan
,
6541 wpa_s
->conf
->p2p_pref_chan
) < 0) {
6542 wpa_printf(MSG_ERROR
, "P2P: Preferred channel list "
6546 if (p2p_set_no_go_freq(p2p
, &wpa_s
->conf
->p2p_no_go_freq
) < 0) {
6547 wpa_printf(MSG_ERROR
, "P2P: No GO channel list "
6552 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_P2P_PASSPHRASE_LEN
)
6553 p2p_set_passphrase_len(p2p
, wpa_s
->conf
->p2p_passphrase_len
);
6557 int wpas_p2p_set_noa(struct wpa_supplicant
*wpa_s
, u8 count
, int start
,
6560 if (!wpa_s
->ap_iface
)
6562 return hostapd_p2p_set_noa(wpa_s
->ap_iface
->bss
[0], count
, start
,
6567 int wpas_p2p_set_cross_connect(struct wpa_supplicant
*wpa_s
, int enabled
)
6569 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
6572 wpa_s
->global
->cross_connection
= enabled
;
6573 p2p_set_cross_connect(wpa_s
->global
->p2p
, enabled
);
6576 struct wpa_supplicant
*iface
;
6578 for (iface
= wpa_s
->global
->ifaces
; iface
; iface
= iface
->next
)
6580 if (iface
->cross_connect_enabled
== 0)
6583 iface
->cross_connect_enabled
= 0;
6584 iface
->cross_connect_in_use
= 0;
6585 wpa_msg_global(iface
->parent
, MSG_INFO
,
6586 P2P_EVENT_CROSS_CONNECT_DISABLE
"%s %s",
6588 iface
->cross_connect_uplink
);
6596 static void wpas_p2p_enable_cross_connect(struct wpa_supplicant
*uplink
)
6598 struct wpa_supplicant
*iface
;
6600 if (!uplink
->global
->cross_connection
)
6603 for (iface
= uplink
->global
->ifaces
; iface
; iface
= iface
->next
) {
6604 if (!iface
->cross_connect_enabled
)
6606 if (os_strcmp(uplink
->ifname
, iface
->cross_connect_uplink
) !=
6609 if (iface
->ap_iface
== NULL
)
6611 if (iface
->cross_connect_in_use
)
6614 iface
->cross_connect_in_use
= 1;
6615 wpa_msg_global(iface
->parent
, MSG_INFO
,
6616 P2P_EVENT_CROSS_CONNECT_ENABLE
"%s %s",
6617 iface
->ifname
, iface
->cross_connect_uplink
);
6622 static void wpas_p2p_disable_cross_connect(struct wpa_supplicant
*uplink
)
6624 struct wpa_supplicant
*iface
;
6626 for (iface
= uplink
->global
->ifaces
; iface
; iface
= iface
->next
) {
6627 if (!iface
->cross_connect_enabled
)
6629 if (os_strcmp(uplink
->ifname
, iface
->cross_connect_uplink
) !=
6632 if (!iface
->cross_connect_in_use
)
6635 wpa_msg_global(iface
->parent
, MSG_INFO
,
6636 P2P_EVENT_CROSS_CONNECT_DISABLE
"%s %s",
6637 iface
->ifname
, iface
->cross_connect_uplink
);
6638 iface
->cross_connect_in_use
= 0;
6643 void wpas_p2p_notif_connected(struct wpa_supplicant
*wpa_s
)
6645 if (wpa_s
->ap_iface
|| wpa_s
->current_ssid
== NULL
||
6646 wpa_s
->current_ssid
->mode
!= WPAS_MODE_INFRA
||
6647 wpa_s
->cross_connect_disallowed
)
6648 wpas_p2p_disable_cross_connect(wpa_s
);
6650 wpas_p2p_enable_cross_connect(wpa_s
);
6651 if (!wpa_s
->ap_iface
&&
6652 eloop_cancel_timeout(wpas_p2p_group_idle_timeout
, wpa_s
, NULL
) > 0)
6653 wpa_printf(MSG_DEBUG
, "P2P: Cancelled P2P group idle timeout");
6657 void wpas_p2p_notif_disconnected(struct wpa_supplicant
*wpa_s
)
6659 wpas_p2p_disable_cross_connect(wpa_s
);
6660 if (!wpa_s
->ap_iface
&&
6661 !eloop_is_timeout_registered(wpas_p2p_group_idle_timeout
,
6663 wpas_p2p_set_group_idle_timeout(wpa_s
);
6667 static void wpas_p2p_cross_connect_setup(struct wpa_supplicant
*wpa_s
)
6669 struct wpa_supplicant
*iface
;
6671 if (!wpa_s
->global
->cross_connection
)
6674 for (iface
= wpa_s
->global
->ifaces
; iface
; iface
= iface
->next
) {
6677 if (iface
->drv_flags
&
6678 WPA_DRIVER_FLAGS_P2P_DEDICATED_INTERFACE
)
6680 if ((iface
->drv_flags
& WPA_DRIVER_FLAGS_P2P_CAPABLE
) &&
6681 iface
!= wpa_s
->parent
)
6684 wpa_s
->cross_connect_enabled
= 1;
6685 os_strlcpy(wpa_s
->cross_connect_uplink
, iface
->ifname
,
6686 sizeof(wpa_s
->cross_connect_uplink
));
6687 wpa_printf(MSG_DEBUG
, "P2P: Enable cross connection from "
6688 "%s to %s whenever uplink is available",
6689 wpa_s
->ifname
, wpa_s
->cross_connect_uplink
);
6691 if (iface
->ap_iface
|| iface
->current_ssid
== NULL
||
6692 iface
->current_ssid
->mode
!= WPAS_MODE_INFRA
||
6693 iface
->cross_connect_disallowed
||
6694 iface
->wpa_state
!= WPA_COMPLETED
)
6697 wpa_s
->cross_connect_in_use
= 1;
6698 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
6699 P2P_EVENT_CROSS_CONNECT_ENABLE
"%s %s",
6700 wpa_s
->ifname
, wpa_s
->cross_connect_uplink
);
6706 int wpas_p2p_notif_pbc_overlap(struct wpa_supplicant
*wpa_s
)
6708 if (wpa_s
->p2p_group_interface
!= P2P_GROUP_INTERFACE_CLIENT
&&
6709 !wpa_s
->p2p_in_provisioning
)
6710 return 0; /* not P2P client operation */
6712 wpa_printf(MSG_DEBUG
, "P2P: Terminate connection due to WPS PBC "
6714 if (wpa_s
!= wpa_s
->parent
)
6715 wpa_msg_ctrl(wpa_s
->parent
, MSG_INFO
, WPS_EVENT_OVERLAP
);
6716 wpas_p2p_group_formation_failed(wpa_s
);
6721 void wpas_p2p_pbc_overlap_cb(void *eloop_ctx
, void *timeout_ctx
)
6723 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
6724 wpas_p2p_notif_pbc_overlap(wpa_s
);
6728 void wpas_p2p_update_channel_list(struct wpa_supplicant
*wpa_s
)
6730 struct p2p_channels chan
, cli_chan
;
6731 struct wpa_supplicant
*ifs
;
6733 if (wpa_s
->global
== NULL
|| wpa_s
->global
->p2p
== NULL
)
6736 os_memset(&chan
, 0, sizeof(chan
));
6737 os_memset(&cli_chan
, 0, sizeof(cli_chan
));
6738 if (wpas_p2p_setup_channels(wpa_s
, &chan
, &cli_chan
)) {
6739 wpa_printf(MSG_ERROR
, "P2P: Failed to update supported "
6744 p2p_update_channel_list(wpa_s
->global
->p2p
, &chan
, &cli_chan
);
6746 for (ifs
= wpa_s
->global
->ifaces
; ifs
; ifs
= ifs
->next
) {
6748 if (!ifs
->current_ssid
||
6749 !ifs
->current_ssid
->p2p_group
||
6750 (ifs
->current_ssid
->mode
!= WPAS_MODE_P2P_GO
&&
6751 ifs
->current_ssid
->mode
!= WPAS_MODE_P2P_GROUP_FORMATION
))
6753 freq
= ifs
->current_ssid
->frequency
;
6754 if (freq_included(&chan
, freq
)) {
6755 wpa_dbg(ifs
, MSG_DEBUG
,
6756 "P2P GO operating frequency %d MHz in valid range",
6761 wpa_dbg(ifs
, MSG_DEBUG
,
6762 "P2P GO operating in invalid frequency %d MHz", freq
);
6763 /* TODO: Consider using CSA or removing the group within
6765 wpa_msg(ifs
, MSG_INFO
, P2P_EVENT_REMOVE_AND_REFORM_GROUP
);
6770 static void wpas_p2p_scan_res_ignore(struct wpa_supplicant
*wpa_s
,
6771 struct wpa_scan_results
*scan_res
)
6773 wpa_printf(MSG_DEBUG
, "P2P: Ignore scan results");
6777 int wpas_p2p_cancel(struct wpa_supplicant
*wpa_s
)
6779 struct wpa_global
*global
= wpa_s
->global
;
6783 if (global
->p2p
== NULL
)
6786 wpa_printf(MSG_DEBUG
, "P2P: Request to cancel group formation");
6788 if (wpa_s
->pending_interface_name
[0] &&
6789 !is_zero_ether_addr(wpa_s
->pending_interface_addr
))
6792 peer
= p2p_get_go_neg_peer(global
->p2p
);
6794 wpa_printf(MSG_DEBUG
, "P2P: Unauthorize pending GO Neg peer "
6795 MACSTR
, MAC2STR(peer
));
6796 p2p_unauthorize(global
->p2p
, peer
);
6800 if (wpa_s
->scan_res_handler
== wpas_p2p_scan_res_join
) {
6801 wpa_printf(MSG_DEBUG
, "P2P: Stop pending scan for join");
6802 wpa_s
->scan_res_handler
= wpas_p2p_scan_res_ignore
;
6806 if (wpa_s
->pending_pd_before_join
) {
6807 wpa_printf(MSG_DEBUG
, "P2P: Stop pending PD before join");
6808 wpa_s
->pending_pd_before_join
= 0;
6812 wpas_p2p_stop_find(wpa_s
);
6814 for (wpa_s
= global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
6815 if (wpa_s
== global
->p2p_group_formation
&&
6816 (wpa_s
->p2p_in_provisioning
||
6817 wpa_s
->parent
->pending_interface_type
==
6818 WPA_IF_P2P_CLIENT
)) {
6819 wpa_printf(MSG_DEBUG
, "P2P: Interface %s in group "
6820 "formation found - cancelling",
6823 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
,
6824 wpa_s
->parent
, NULL
);
6825 if (wpa_s
->p2p_in_provisioning
) {
6826 wpas_group_formation_completed(wpa_s
, 0);
6829 wpas_p2p_group_delete(wpa_s
,
6830 P2P_GROUP_REMOVAL_REQUESTED
);
6832 } else if (wpa_s
->p2p_in_invitation
) {
6833 wpa_printf(MSG_DEBUG
, "P2P: Interface %s in invitation found - cancelling",
6836 wpas_p2p_group_formation_failed(wpa_s
);
6841 wpa_printf(MSG_DEBUG
, "P2P: No ongoing group formation found");
6849 void wpas_p2p_interface_unavailable(struct wpa_supplicant
*wpa_s
)
6851 if (wpa_s
->current_ssid
== NULL
|| !wpa_s
->current_ssid
->p2p_group
)
6854 wpa_printf(MSG_DEBUG
, "P2P: Remove group due to driver resource not "
6855 "being available anymore");
6856 wpas_p2p_group_delete(wpa_s
, P2P_GROUP_REMOVAL_UNAVAILABLE
);
6860 void wpas_p2p_update_best_channels(struct wpa_supplicant
*wpa_s
,
6861 int freq_24
, int freq_5
, int freq_overall
)
6863 struct p2p_data
*p2p
= wpa_s
->global
->p2p
;
6866 p2p_set_best_channels(p2p
, freq_24
, freq_5
, freq_overall
);
6870 int wpas_p2p_unauthorize(struct wpa_supplicant
*wpa_s
, const char *addr
)
6873 struct p2p_data
*p2p
= wpa_s
->global
->p2p
;
6878 if (hwaddr_aton(addr
, peer
))
6881 return p2p_unauthorize(p2p
, peer
);
6886 * wpas_p2p_disconnect - Disconnect from a P2P Group
6887 * @wpa_s: Pointer to wpa_supplicant data
6888 * Returns: 0 on success, -1 on failure
6890 * This can be used to disconnect from a group in which the local end is a P2P
6891 * Client or to end a P2P Group in case the local end is the Group Owner. If a
6892 * virtual network interface was created for this group, that interface will be
6893 * removed. Otherwise, only the configured P2P group network will be removed
6894 * from the interface.
6896 int wpas_p2p_disconnect(struct wpa_supplicant
*wpa_s
)
6902 return wpas_p2p_group_delete(wpa_s
, P2P_GROUP_REMOVAL_REQUESTED
) < 0 ?
6907 int wpas_p2p_in_progress(struct wpa_supplicant
*wpa_s
)
6911 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
6914 ret
= p2p_in_progress(wpa_s
->global
->p2p
);
6917 * Check whether there is an ongoing WPS provisioning step (or
6918 * other parts of group formation) on another interface since
6919 * p2p_in_progress() does not report this to avoid issues for
6920 * scans during such provisioning step.
6922 if (wpa_s
->global
->p2p_group_formation
&&
6923 wpa_s
->global
->p2p_group_formation
!= wpa_s
) {
6924 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Another interface (%s) "
6925 "in group formation",
6926 wpa_s
->global
->p2p_group_formation
->ifname
);
6931 if (!ret
&& wpa_s
->global
->p2p_go_wait_client
.sec
) {
6932 struct os_reltime now
;
6933 os_get_reltime(&now
);
6934 if (os_reltime_expired(&now
, &wpa_s
->global
->p2p_go_wait_client
,
6935 P2P_MAX_INITIAL_CONN_WAIT_GO
)) {
6936 /* Wait for the first client has expired */
6937 wpa_s
->global
->p2p_go_wait_client
.sec
= 0;
6939 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Waiting for initial client connection during group formation");
6948 void wpas_p2p_network_removed(struct wpa_supplicant
*wpa_s
,
6949 struct wpa_ssid
*ssid
)
6951 if (wpa_s
->p2p_in_provisioning
&& ssid
->p2p_group
&&
6952 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
,
6953 wpa_s
->parent
, NULL
) > 0) {
6955 * Remove the network by scheduling the group formation
6956 * timeout to happen immediately. The teardown code
6957 * needs to be scheduled to run asynch later so that we
6958 * don't delete data from under ourselves unexpectedly.
6959 * Calling wpas_p2p_group_formation_timeout directly
6960 * causes a series of crashes in WPS failure scenarios.
6962 wpa_printf(MSG_DEBUG
, "P2P: Canceled group formation due to "
6963 "P2P group network getting removed");
6964 eloop_register_timeout(0, 0, wpas_p2p_group_formation_timeout
,
6965 wpa_s
->parent
, NULL
);
6970 struct wpa_ssid
* wpas_p2p_get_persistent(struct wpa_supplicant
*wpa_s
,
6971 const u8
*addr
, const u8
*ssid
,
6977 for (s
= wpa_s
->conf
->ssid
; s
; s
= s
->next
) {
6978 if (s
->disabled
!= 2)
6981 (ssid_len
!= s
->ssid_len
||
6982 os_memcmp(ssid
, s
->ssid
, ssid_len
) != 0))
6985 if (s
->mode
== WPAS_MODE_P2P_GO
)
6989 if (os_memcmp(s
->bssid
, addr
, ETH_ALEN
) == 0)
6990 return s
; /* peer is GO in the persistent group */
6991 if (s
->mode
!= WPAS_MODE_P2P_GO
|| s
->p2p_client_list
== NULL
)
6993 for (i
= 0; i
< s
->num_p2p_clients
; i
++) {
6994 if (os_memcmp(s
->p2p_client_list
+ i
* 2 * ETH_ALEN
,
6995 addr
, ETH_ALEN
) == 0)
6996 return s
; /* peer is P2P client in persistent
7005 void wpas_p2p_notify_ap_sta_authorized(struct wpa_supplicant
*wpa_s
,
7008 if (eloop_cancel_timeout(wpas_p2p_group_formation_timeout
,
7009 wpa_s
->parent
, NULL
) > 0) {
7011 * This can happen if WPS provisioning step is not terminated
7012 * cleanly (e.g., P2P Client does not send WSC_Done). Since the
7013 * peer was able to connect, there is no need to time out group
7014 * formation after this, though. In addition, this is used with
7015 * the initial connection wait on the GO as a separate formation
7016 * timeout and as such, expected to be hit after the initial WPS
7017 * provisioning step.
7019 wpa_printf(MSG_DEBUG
, "P2P: Canceled P2P group formation timeout on data connection");
7021 if (!wpa_s
->p2p_go_group_formation_completed
&&
7022 !wpa_s
->group_formation_reported
) {
7024 * GO has not yet notified group formation success since
7025 * the WPS step was not completed cleanly. Do that
7026 * notification now since the P2P Client was able to
7027 * connect and as such, must have received the
7028 * credential from the WPS step.
7030 if (wpa_s
->global
->p2p
)
7031 p2p_wps_success_cb(wpa_s
->global
->p2p
, addr
);
7032 wpas_group_formation_completed(wpa_s
, 1);
7035 if (!wpa_s
->p2p_go_group_formation_completed
) {
7036 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Marking group formation completed on GO on first data connection");
7037 wpa_s
->p2p_go_group_formation_completed
= 1;
7038 wpa_s
->global
->p2p_group_formation
= NULL
;
7039 wpa_s
->p2p_in_provisioning
= 0;
7040 wpa_s
->p2p_in_invitation
= 0;
7042 wpa_s
->global
->p2p_go_wait_client
.sec
= 0;
7045 wpas_p2p_add_persistent_group_client(wpa_s
, addr
);
7049 static int wpas_p2p_fallback_to_go_neg(struct wpa_supplicant
*wpa_s
,
7052 struct wpa_supplicant
*group
= wpa_s
;
7055 if (wpa_s
->global
->p2p_group_formation
)
7056 group
= wpa_s
->global
->p2p_group_formation
;
7057 wpa_s
= wpa_s
->parent
;
7058 offchannel_send_action_done(wpa_s
);
7060 ret
= wpas_p2p_group_delete(group
, P2P_GROUP_REMOVAL_SILENT
);
7061 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Fall back to GO Negotiation");
7062 wpas_p2p_connect(wpa_s
, wpa_s
->pending_join_dev_addr
, wpa_s
->p2p_pin
,
7063 wpa_s
->p2p_wps_method
, wpa_s
->p2p_persistent_group
, 0,
7064 0, 0, wpa_s
->p2p_go_intent
, wpa_s
->p2p_connect_freq
,
7065 wpa_s
->p2p_persistent_id
,
7066 wpa_s
->p2p_pd_before_go_neg
,
7073 int wpas_p2p_scan_no_go_seen(struct wpa_supplicant
*wpa_s
)
7077 if (!wpa_s
->p2p_fallback_to_go_neg
||
7078 wpa_s
->p2p_in_provisioning
<= 5)
7081 if (wpas_p2p_peer_go(wpa_s
, wpa_s
->pending_join_dev_addr
) > 0)
7082 return 0; /* peer operating as a GO */
7084 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: GO not found for p2p_connect-auto - "
7085 "fallback to GO Negotiation");
7086 wpa_msg_global(wpa_s
->parent
, MSG_INFO
, P2P_EVENT_FALLBACK_TO_GO_NEG
7087 "reason=GO-not-found");
7088 res
= wpas_p2p_fallback_to_go_neg(wpa_s
, 1);
7090 return res
== 1 ? 2 : 1;
7094 unsigned int wpas_p2p_search_delay(struct wpa_supplicant
*wpa_s
)
7096 struct wpa_supplicant
*ifs
;
7098 if (wpa_s
->wpa_state
> WPA_SCANNING
) {
7099 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Use %u ms search delay due to "
7100 "concurrent operation",
7101 wpa_s
->conf
->p2p_search_delay
);
7102 return wpa_s
->conf
->p2p_search_delay
;
7105 dl_list_for_each(ifs
, &wpa_s
->radio
->ifaces
, struct wpa_supplicant
,
7107 if (ifs
!= wpa_s
&& ifs
->wpa_state
> WPA_SCANNING
) {
7108 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Use %u ms search "
7109 "delay due to concurrent operation on "
7111 wpa_s
->conf
->p2p_search_delay
,
7113 return wpa_s
->conf
->p2p_search_delay
;
7121 static int wpas_p2p_remove_psk_entry(struct wpa_supplicant
*wpa_s
,
7122 struct wpa_ssid
*s
, const u8
*addr
,
7125 struct psk_list_entry
*psk
, *tmp
;
7128 dl_list_for_each_safe(psk
, tmp
, &s
->psk_list
, struct psk_list_entry
,
7130 if ((iface_addr
&& !psk
->p2p
&&
7131 os_memcmp(addr
, psk
->addr
, ETH_ALEN
) == 0) ||
7132 (!iface_addr
&& psk
->p2p
&&
7133 os_memcmp(addr
, psk
->addr
, ETH_ALEN
) == 0)) {
7134 wpa_dbg(wpa_s
, MSG_DEBUG
,
7135 "P2P: Remove persistent group PSK list entry for "
7137 MAC2STR(psk
->addr
), psk
->p2p
);
7138 dl_list_del(&psk
->list
);
7148 void wpas_p2p_new_psk_cb(struct wpa_supplicant
*wpa_s
, const u8
*mac_addr
,
7149 const u8
*p2p_dev_addr
,
7150 const u8
*psk
, size_t psk_len
)
7152 struct wpa_ssid
*ssid
= wpa_s
->current_ssid
;
7153 struct wpa_ssid
*persistent
;
7154 struct psk_list_entry
*p
, *last
;
7156 if (psk_len
!= sizeof(p
->psk
))
7160 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: New PSK for addr=" MACSTR
7161 " p2p_dev_addr=" MACSTR
,
7162 MAC2STR(mac_addr
), MAC2STR(p2p_dev_addr
));
7163 if (is_zero_ether_addr(p2p_dev_addr
))
7164 p2p_dev_addr
= NULL
;
7166 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: New PSK for addr=" MACSTR
,
7170 if (ssid
->mode
== WPAS_MODE_P2P_GROUP_FORMATION
) {
7171 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: new_psk_cb during group formation");
7172 /* To be added to persistent group once created */
7173 if (wpa_s
->global
->add_psk
== NULL
) {
7174 wpa_s
->global
->add_psk
= os_zalloc(sizeof(*p
));
7175 if (wpa_s
->global
->add_psk
== NULL
)
7178 p
= wpa_s
->global
->add_psk
;
7181 os_memcpy(p
->addr
, p2p_dev_addr
, ETH_ALEN
);
7184 os_memcpy(p
->addr
, mac_addr
, ETH_ALEN
);
7186 os_memcpy(p
->psk
, psk
, psk_len
);
7190 if (ssid
->mode
!= WPAS_MODE_P2P_GO
|| !ssid
->p2p_persistent_group
) {
7191 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Ignore new_psk_cb on not-persistent GO");
7195 persistent
= wpas_p2p_get_persistent(wpa_s
->parent
, NULL
, ssid
->ssid
,
7198 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Could not find persistent group information to store the new PSK");
7202 p
= os_zalloc(sizeof(*p
));
7207 os_memcpy(p
->addr
, p2p_dev_addr
, ETH_ALEN
);
7210 os_memcpy(p
->addr
, mac_addr
, ETH_ALEN
);
7212 os_memcpy(p
->psk
, psk
, psk_len
);
7214 if (dl_list_len(&persistent
->psk_list
) > P2P_MAX_STORED_CLIENTS
&&
7215 (last
= dl_list_last(&persistent
->psk_list
,
7216 struct psk_list_entry
, list
))) {
7217 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Remove oldest PSK entry for "
7218 MACSTR
" (p2p=%u) to make room for a new one",
7219 MAC2STR(last
->addr
), last
->p2p
);
7220 dl_list_del(&last
->list
);
7224 wpas_p2p_remove_psk_entry(wpa_s
->parent
, persistent
,
7225 p2p_dev_addr
? p2p_dev_addr
: mac_addr
,
7226 p2p_dev_addr
== NULL
);
7228 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Add new PSK for p2p_dev_addr="
7229 MACSTR
, MAC2STR(p2p_dev_addr
));
7231 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Add new PSK for addr=" MACSTR
,
7234 dl_list_add(&persistent
->psk_list
, &p
->list
);
7236 if (wpa_s
->parent
->conf
->update_config
&&
7237 wpa_config_write(wpa_s
->parent
->confname
, wpa_s
->parent
->conf
))
7238 wpa_printf(MSG_DEBUG
, "P2P: Failed to update configuration");
7242 static void wpas_p2p_remove_psk(struct wpa_supplicant
*wpa_s
,
7243 struct wpa_ssid
*s
, const u8
*addr
,
7248 res
= wpas_p2p_remove_psk_entry(wpa_s
, s
, addr
, iface_addr
);
7249 if (res
> 0 && wpa_s
->conf
->update_config
&&
7250 wpa_config_write(wpa_s
->confname
, wpa_s
->conf
))
7251 wpa_dbg(wpa_s
, MSG_DEBUG
,
7252 "P2P: Failed to update configuration");
7256 static void wpas_p2p_remove_client_go(struct wpa_supplicant
*wpa_s
,
7257 const u8
*peer
, int iface_addr
)
7259 struct hostapd_data
*hapd
;
7260 struct hostapd_wpa_psk
*psk
, *prev
, *rem
;
7261 struct sta_info
*sta
;
7263 if (wpa_s
->ap_iface
== NULL
|| wpa_s
->current_ssid
== NULL
||
7264 wpa_s
->current_ssid
->mode
!= WPAS_MODE_P2P_GO
)
7267 /* Remove per-station PSK entry */
7268 hapd
= wpa_s
->ap_iface
->bss
[0];
7270 psk
= hapd
->conf
->ssid
.wpa_psk
;
7272 if ((iface_addr
&& os_memcmp(peer
, psk
->addr
, ETH_ALEN
) == 0) ||
7274 os_memcmp(peer
, psk
->p2p_dev_addr
, ETH_ALEN
) == 0)) {
7275 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Remove operating group PSK entry for "
7276 MACSTR
" iface_addr=%d",
7277 MAC2STR(peer
), iface_addr
);
7279 prev
->next
= psk
->next
;
7281 hapd
->conf
->ssid
.wpa_psk
= psk
->next
;
7291 /* Disconnect from group */
7293 sta
= ap_get_sta(hapd
, peer
);
7295 sta
= ap_get_sta_p2p(hapd
, peer
);
7297 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Disconnect peer " MACSTR
7298 " (iface_addr=%d) from group",
7299 MAC2STR(peer
), iface_addr
);
7300 hostapd_drv_sta_deauth(hapd
, sta
->addr
,
7301 WLAN_REASON_DEAUTH_LEAVING
);
7302 ap_sta_deauthenticate(hapd
, sta
, WLAN_REASON_DEAUTH_LEAVING
);
7307 void wpas_p2p_remove_client(struct wpa_supplicant
*wpa_s
, const u8
*peer
,
7311 struct wpa_supplicant
*w
;
7313 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Remove client " MACSTR
, MAC2STR(peer
));
7315 /* Remove from any persistent group */
7316 for (s
= wpa_s
->parent
->conf
->ssid
; s
; s
= s
->next
) {
7317 if (s
->disabled
!= 2 || s
->mode
!= WPAS_MODE_P2P_GO
)
7320 wpas_remove_persistent_peer(wpa_s
, s
, peer
, 0);
7321 wpas_p2p_remove_psk(wpa_s
->parent
, s
, peer
, iface_addr
);
7324 /* Remove from any operating group */
7325 for (w
= wpa_s
->global
->ifaces
; w
; w
= w
->next
)
7326 wpas_p2p_remove_client_go(w
, peer
, iface_addr
);
7330 static void wpas_p2p_psk_failure_removal(void *eloop_ctx
, void *timeout_ctx
)
7332 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
7333 wpas_p2p_group_delete(wpa_s
, P2P_GROUP_REMOVAL_PSK_FAILURE
);
7337 static void wpas_p2p_group_freq_conflict(void *eloop_ctx
, void *timeout_ctx
)
7339 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
7341 wpa_printf(MSG_DEBUG
, "P2P: Frequency conflict - terminate group");
7342 wpas_p2p_group_delete(wpa_s
, P2P_GROUP_REMOVAL_FREQ_CONFLICT
);
7346 int wpas_p2p_handle_frequency_conflicts(struct wpa_supplicant
*wpa_s
, int freq
,
7347 struct wpa_ssid
*ssid
)
7349 struct wpa_supplicant
*iface
;
7351 for (iface
= wpa_s
->global
->ifaces
; iface
; iface
= iface
->next
) {
7352 if (!iface
->current_ssid
||
7353 iface
->current_ssid
->frequency
== freq
||
7354 (iface
->p2p_group_interface
== NOT_P2P_GROUP_INTERFACE
&&
7355 !iface
->current_ssid
->p2p_group
))
7358 /* Remove the connection with least priority */
7359 if (!wpas_is_p2p_prioritized(iface
)) {
7360 /* STA connection has priority over existing
7361 * P2P connection, so remove the interface. */
7362 wpa_printf(MSG_DEBUG
, "P2P: Removing P2P connection due to single channel concurrent mode frequency conflict");
7363 eloop_register_timeout(0, 0,
7364 wpas_p2p_group_freq_conflict
,
7366 /* If connection in progress is P2P connection, do not
7367 * proceed for the connection. */
7373 /* P2P connection has priority, disable the STA network
7375 wpa_supplicant_disable_network(wpa_s
->global
->ifaces
,
7377 wpa_msg(wpa_s
->global
->ifaces
, MSG_INFO
,
7378 WPA_EVENT_FREQ_CONFLICT
" id=%d", ssid
->id
);
7379 os_memset(wpa_s
->global
->ifaces
->pending_bssid
, 0,
7381 /* If P2P connection is in progress, continue
7394 int wpas_p2p_4way_hs_failed(struct wpa_supplicant
*wpa_s
)
7396 struct wpa_ssid
*ssid
= wpa_s
->current_ssid
;
7398 if (ssid
== NULL
|| !ssid
->p2p_group
)
7401 if (wpa_s
->p2p_last_4way_hs_fail
&&
7402 wpa_s
->p2p_last_4way_hs_fail
== ssid
) {
7403 u8 go_dev_addr
[ETH_ALEN
];
7404 struct wpa_ssid
*persistent
;
7406 if (wpas_p2p_persistent_group(wpa_s
, go_dev_addr
,
7408 ssid
->ssid_len
) <= 0) {
7409 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Could not determine whether 4-way handshake failures were for a persistent group");
7413 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Two 4-way handshake failures for a P2P group - go_dev_addr="
7414 MACSTR
, MAC2STR(go_dev_addr
));
7415 persistent
= wpas_p2p_get_persistent(wpa_s
->parent
, go_dev_addr
,
7418 if (persistent
== NULL
|| persistent
->mode
!= WPAS_MODE_INFRA
) {
7419 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: No matching persistent group stored");
7422 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
7423 P2P_EVENT_PERSISTENT_PSK_FAIL
"%d",
7426 wpa_s
->p2p_last_4way_hs_fail
= NULL
;
7428 * Remove the group from a timeout to avoid issues with caller
7429 * continuing to use the interface if this is on a P2P group
7432 eloop_register_timeout(0, 0, wpas_p2p_psk_failure_removal
,
7437 wpa_s
->p2p_last_4way_hs_fail
= ssid
;
7442 #ifdef CONFIG_WPS_NFC
7444 static struct wpabuf
* wpas_p2p_nfc_handover(int ndef
, struct wpabuf
*wsc
,
7452 wpa_printf(MSG_DEBUG
, "P2P: No p2p buffer for handover");
7456 wsc_len
= wsc
? wpabuf_len(wsc
) : 0;
7457 ret
= wpabuf_alloc(2 + wsc_len
+ 2 + wpabuf_len(p2p
));
7464 wpabuf_put_be16(ret
, wsc_len
);
7466 wpabuf_put_buf(ret
, wsc
);
7467 wpabuf_put_be16(ret
, wpabuf_len(p2p
));
7468 wpabuf_put_buf(ret
, p2p
);
7472 wpa_hexdump_buf(MSG_DEBUG
,
7473 "P2P: Generated NFC connection handover message", ret
);
7477 tmp
= ndef_build_p2p(ret
);
7480 wpa_printf(MSG_DEBUG
, "P2P: Failed to NDEF encapsulate handover request");
7490 static int wpas_p2p_cli_freq(struct wpa_supplicant
*wpa_s
,
7491 struct wpa_ssid
**ssid
, u8
*go_dev_addr
)
7493 struct wpa_supplicant
*iface
;
7496 os_memset(go_dev_addr
, 0, ETH_ALEN
);
7499 for (iface
= wpa_s
->global
->ifaces
; iface
; iface
= iface
->next
) {
7500 if (iface
->wpa_state
< WPA_ASSOCIATING
||
7501 iface
->current_ssid
== NULL
|| iface
->assoc_freq
== 0 ||
7502 !iface
->current_ssid
->p2p_group
||
7503 iface
->current_ssid
->mode
!= WPAS_MODE_INFRA
)
7506 *ssid
= iface
->current_ssid
;
7508 os_memcpy(go_dev_addr
, iface
->go_dev_addr
, ETH_ALEN
);
7509 return iface
->assoc_freq
;
7515 struct wpabuf
* wpas_p2p_nfc_handover_req(struct wpa_supplicant
*wpa_s
,
7518 struct wpabuf
*wsc
, *p2p
;
7519 struct wpa_ssid
*ssid
;
7520 u8 go_dev_addr
[ETH_ALEN
];
7521 int cli_freq
= wpas_p2p_cli_freq(wpa_s
, &ssid
, go_dev_addr
);
7523 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
) {
7524 wpa_printf(MSG_DEBUG
, "P2P: P2P disabled - cannot build handover request");
7528 if (wpa_s
->conf
->wps_nfc_dh_pubkey
== NULL
&&
7529 wps_nfc_gen_dh(&wpa_s
->conf
->wps_nfc_dh_pubkey
,
7530 &wpa_s
->conf
->wps_nfc_dh_privkey
) < 0) {
7531 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: No DH key available for handover request");
7535 if (cli_freq
== 0) {
7536 wsc
= wps_build_nfc_handover_req_p2p(
7537 wpa_s
->parent
->wps
, wpa_s
->conf
->wps_nfc_dh_pubkey
);
7540 p2p
= p2p_build_nfc_handover_req(wpa_s
->global
->p2p
, cli_freq
,
7541 go_dev_addr
, ssid
? ssid
->ssid
: NULL
,
7542 ssid
? ssid
->ssid_len
: 0);
7544 return wpas_p2p_nfc_handover(ndef
, wsc
, p2p
);
7548 struct wpabuf
* wpas_p2p_nfc_handover_sel(struct wpa_supplicant
*wpa_s
,
7551 struct wpabuf
*wsc
, *p2p
;
7552 struct wpa_ssid
*ssid
;
7553 u8 go_dev_addr
[ETH_ALEN
];
7554 int cli_freq
= wpas_p2p_cli_freq(wpa_s
, &ssid
, go_dev_addr
);
7556 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
7559 if (!tag
&& wpa_s
->conf
->wps_nfc_dh_pubkey
== NULL
&&
7560 wps_nfc_gen_dh(&wpa_s
->conf
->wps_nfc_dh_pubkey
,
7561 &wpa_s
->conf
->wps_nfc_dh_privkey
) < 0)
7564 if (cli_freq
== 0) {
7565 wsc
= wps_build_nfc_handover_sel_p2p(
7567 tag
? wpa_s
->conf
->wps_nfc_dev_pw_id
:
7568 DEV_PW_NFC_CONNECTION_HANDOVER
,
7569 wpa_s
->conf
->wps_nfc_dh_pubkey
,
7570 tag
? wpa_s
->conf
->wps_nfc_dev_pw
: NULL
);
7573 p2p
= p2p_build_nfc_handover_sel(wpa_s
->global
->p2p
, cli_freq
,
7574 go_dev_addr
, ssid
? ssid
->ssid
: NULL
,
7575 ssid
? ssid
->ssid_len
: 0);
7577 return wpas_p2p_nfc_handover(ndef
, wsc
, p2p
);
7581 static int wpas_p2p_nfc_join_group(struct wpa_supplicant
*wpa_s
,
7582 struct p2p_nfc_params
*params
)
7584 wpa_printf(MSG_DEBUG
, "P2P: Initiate join-group based on NFC "
7585 "connection handover (freq=%d)",
7588 if (params
->go_freq
&& params
->go_ssid_len
) {
7589 wpa_s
->p2p_wps_method
= WPS_NFC
;
7590 wpa_s
->pending_join_wps_method
= WPS_NFC
;
7591 os_memset(wpa_s
->pending_join_iface_addr
, 0, ETH_ALEN
);
7592 os_memcpy(wpa_s
->pending_join_dev_addr
, params
->go_dev_addr
,
7594 return wpas_p2p_join_start(wpa_s
, params
->go_freq
,
7596 params
->go_ssid_len
);
7599 return wpas_p2p_connect(wpa_s
, params
->peer
->p2p_device_addr
, NULL
,
7600 WPS_NFC
, 0, 0, 1, 0, wpa_s
->conf
->p2p_go_intent
,
7601 params
->go_freq
, -1, 0, 1, 1);
7605 static int wpas_p2p_nfc_auth_join(struct wpa_supplicant
*wpa_s
,
7606 struct p2p_nfc_params
*params
, int tag
)
7608 int res
, persistent
;
7609 struct wpa_ssid
*ssid
;
7611 wpa_printf(MSG_DEBUG
, "P2P: Authorize join-group based on NFC "
7612 "connection handover");
7613 for (wpa_s
= wpa_s
->global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
7614 ssid
= wpa_s
->current_ssid
;
7617 if (ssid
->mode
!= WPAS_MODE_P2P_GO
)
7619 if (wpa_s
->ap_iface
== NULL
)
7623 if (wpa_s
== NULL
) {
7624 wpa_printf(MSG_DEBUG
, "P2P: Could not find GO interface");
7628 if (wpa_s
->parent
->p2p_oob_dev_pw_id
!=
7629 DEV_PW_NFC_CONNECTION_HANDOVER
&&
7630 !wpa_s
->parent
->p2p_oob_dev_pw
) {
7631 wpa_printf(MSG_DEBUG
, "P2P: No NFC Dev Pw known");
7634 res
= wpas_ap_wps_add_nfc_pw(
7635 wpa_s
, wpa_s
->parent
->p2p_oob_dev_pw_id
,
7636 wpa_s
->parent
->p2p_oob_dev_pw
,
7637 wpa_s
->parent
->p2p_peer_oob_pk_hash_known
?
7638 wpa_s
->parent
->p2p_peer_oob_pubkey_hash
: NULL
);
7643 wpa_printf(MSG_DEBUG
, "P2P: Negotiated handover - wait for peer to join without invitation");
7647 if (!params
->peer
||
7648 !(params
->peer
->dev_capab
& P2P_DEV_CAPAB_INVITATION_PROCEDURE
))
7651 wpa_printf(MSG_DEBUG
, "P2P: Static handover - invite peer " MACSTR
7652 " to join", MAC2STR(params
->peer
->p2p_device_addr
));
7654 wpa_s
->global
->p2p_invite_group
= wpa_s
;
7655 persistent
= ssid
->p2p_persistent_group
&&
7656 wpas_p2p_get_persistent(wpa_s
->parent
,
7657 params
->peer
->p2p_device_addr
,
7658 ssid
->ssid
, ssid
->ssid_len
);
7659 wpa_s
->parent
->pending_invite_ssid_id
= -1;
7661 return p2p_invite(wpa_s
->global
->p2p
, params
->peer
->p2p_device_addr
,
7662 P2P_INVITE_ROLE_ACTIVE_GO
, wpa_s
->own_addr
,
7663 ssid
->ssid
, ssid
->ssid_len
, ssid
->frequency
,
7664 wpa_s
->global
->p2p_dev_addr
, persistent
, 0,
7665 wpa_s
->parent
->p2p_oob_dev_pw_id
);
7669 static int wpas_p2p_nfc_init_go_neg(struct wpa_supplicant
*wpa_s
,
7670 struct p2p_nfc_params
*params
,
7673 wpa_printf(MSG_DEBUG
, "P2P: Initiate GO Negotiation based on NFC "
7674 "connection handover");
7675 return wpas_p2p_connect(wpa_s
, params
->peer
->p2p_device_addr
, NULL
,
7676 WPS_NFC
, 0, 0, 0, 0, wpa_s
->conf
->p2p_go_intent
,
7677 forced_freq
, -1, 0, 1, 1);
7681 static int wpas_p2p_nfc_resp_go_neg(struct wpa_supplicant
*wpa_s
,
7682 struct p2p_nfc_params
*params
,
7687 wpa_printf(MSG_DEBUG
, "P2P: Authorize GO Negotiation based on NFC "
7688 "connection handover");
7689 res
= wpas_p2p_connect(wpa_s
, params
->peer
->p2p_device_addr
, NULL
,
7690 WPS_NFC
, 0, 0, 0, 1, wpa_s
->conf
->p2p_go_intent
,
7691 forced_freq
, -1, 0, 1, 1);
7695 res
= wpas_p2p_listen(wpa_s
, 60);
7697 p2p_unauthorize(wpa_s
->global
->p2p
,
7698 params
->peer
->p2p_device_addr
);
7705 static int wpas_p2p_nfc_connection_handover(struct wpa_supplicant
*wpa_s
,
7706 const struct wpabuf
*data
,
7707 int sel
, int tag
, int forced_freq
)
7709 const u8
*pos
, *end
;
7711 struct p2p_nfc_params params
;
7714 os_memset(¶ms
, 0, sizeof(params
));
7717 wpa_hexdump_buf(MSG_DEBUG
, "P2P: Received NFC tag payload", data
);
7719 pos
= wpabuf_head(data
);
7720 end
= pos
+ wpabuf_len(data
);
7722 if (end
- pos
< 2) {
7723 wpa_printf(MSG_DEBUG
, "P2P: Not enough data for Length of WSC "
7727 len
= WPA_GET_BE16(pos
);
7729 if (len
> end
- pos
) {
7730 wpa_printf(MSG_DEBUG
, "P2P: Not enough data for WSC "
7734 params
.wsc_attr
= pos
;
7735 params
.wsc_len
= len
;
7738 if (end
- pos
< 2) {
7739 wpa_printf(MSG_DEBUG
, "P2P: Not enough data for Length of P2P "
7743 len
= WPA_GET_BE16(pos
);
7745 if (len
> end
- pos
) {
7746 wpa_printf(MSG_DEBUG
, "P2P: Not enough data for P2P "
7750 params
.p2p_attr
= pos
;
7751 params
.p2p_len
= len
;
7754 wpa_hexdump(MSG_DEBUG
, "P2P: WSC attributes",
7755 params
.wsc_attr
, params
.wsc_len
);
7756 wpa_hexdump(MSG_DEBUG
, "P2P: P2P attributes",
7757 params
.p2p_attr
, params
.p2p_len
);
7759 wpa_hexdump(MSG_DEBUG
,
7760 "P2P: Ignored extra data after P2P attributes",
7764 res
= p2p_process_nfc_connection_handover(wpa_s
->global
->p2p
, ¶ms
);
7768 if (params
.next_step
== NO_ACTION
)
7771 if (params
.next_step
== BOTH_GO
) {
7772 wpa_msg(wpa_s
, MSG_INFO
, P2P_EVENT_NFC_BOTH_GO
"peer=" MACSTR
,
7773 MAC2STR(params
.peer
->p2p_device_addr
));
7777 if (params
.next_step
== PEER_CLIENT
) {
7778 if (!is_zero_ether_addr(params
.go_dev_addr
)) {
7779 wpa_msg(wpa_s
, MSG_INFO
, P2P_EVENT_NFC_PEER_CLIENT
7780 "peer=" MACSTR
" freq=%d go_dev_addr=" MACSTR
7782 MAC2STR(params
.peer
->p2p_device_addr
),
7784 MAC2STR(params
.go_dev_addr
),
7785 wpa_ssid_txt(params
.go_ssid
,
7786 params
.go_ssid_len
));
7788 wpa_msg(wpa_s
, MSG_INFO
, P2P_EVENT_NFC_PEER_CLIENT
7789 "peer=" MACSTR
" freq=%d",
7790 MAC2STR(params
.peer
->p2p_device_addr
),
7796 if (wpas_p2p_cli_freq(wpa_s
, NULL
, NULL
)) {
7797 wpa_msg(wpa_s
, MSG_INFO
, P2P_EVENT_NFC_WHILE_CLIENT
"peer="
7798 MACSTR
, MAC2STR(params
.peer
->p2p_device_addr
));
7802 wpabuf_free(wpa_s
->p2p_oob_dev_pw
);
7803 wpa_s
->p2p_oob_dev_pw
= NULL
;
7805 if (params
.oob_dev_pw_len
< WPS_OOB_PUBKEY_HASH_LEN
+ 2) {
7806 wpa_printf(MSG_DEBUG
, "P2P: No peer OOB Dev Pw "
7811 id
= WPA_GET_BE16(params
.oob_dev_pw
+ WPS_OOB_PUBKEY_HASH_LEN
);
7812 wpa_printf(MSG_DEBUG
, "P2P: Peer OOB Dev Pw %u", id
);
7813 wpa_hexdump(MSG_DEBUG
, "P2P: Peer OOB Public Key hash",
7814 params
.oob_dev_pw
, WPS_OOB_PUBKEY_HASH_LEN
);
7815 os_memcpy(wpa_s
->p2p_peer_oob_pubkey_hash
,
7816 params
.oob_dev_pw
, WPS_OOB_PUBKEY_HASH_LEN
);
7817 wpa_s
->p2p_peer_oob_pk_hash_known
= 1;
7821 wpa_printf(MSG_DEBUG
, "P2P: Static handover - invalid "
7822 "peer OOB Device Password Id %u", id
);
7825 wpa_printf(MSG_DEBUG
, "P2P: Static handover - use peer OOB "
7826 "Device Password Id %u", id
);
7827 wpa_hexdump_key(MSG_DEBUG
, "P2P: Peer OOB Device Password",
7828 params
.oob_dev_pw
+ WPS_OOB_PUBKEY_HASH_LEN
+ 2,
7829 params
.oob_dev_pw_len
-
7830 WPS_OOB_PUBKEY_HASH_LEN
- 2);
7831 wpa_s
->p2p_oob_dev_pw_id
= id
;
7832 wpa_s
->p2p_oob_dev_pw
= wpabuf_alloc_copy(
7833 params
.oob_dev_pw
+ WPS_OOB_PUBKEY_HASH_LEN
+ 2,
7834 params
.oob_dev_pw_len
-
7835 WPS_OOB_PUBKEY_HASH_LEN
- 2);
7836 if (wpa_s
->p2p_oob_dev_pw
== NULL
)
7839 if (wpa_s
->conf
->wps_nfc_dh_pubkey
== NULL
&&
7840 wps_nfc_gen_dh(&wpa_s
->conf
->wps_nfc_dh_pubkey
,
7841 &wpa_s
->conf
->wps_nfc_dh_privkey
) < 0)
7844 wpa_printf(MSG_DEBUG
, "P2P: Using abbreviated WPS handshake "
7845 "without Device Password");
7846 wpa_s
->p2p_oob_dev_pw_id
= DEV_PW_NFC_CONNECTION_HANDOVER
;
7849 switch (params
.next_step
) {
7853 /* already covered above */
7856 return wpas_p2p_nfc_join_group(wpa_s
, ¶ms
);
7858 return wpas_p2p_nfc_auth_join(wpa_s
, ¶ms
, tag
);
7860 return wpas_p2p_nfc_init_go_neg(wpa_s
, ¶ms
, forced_freq
);
7862 /* TODO: use own OOB Dev Pw */
7863 return wpas_p2p_nfc_resp_go_neg(wpa_s
, ¶ms
, forced_freq
);
7870 int wpas_p2p_nfc_tag_process(struct wpa_supplicant
*wpa_s
,
7871 const struct wpabuf
*data
, int forced_freq
)
7873 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
7876 return wpas_p2p_nfc_connection_handover(wpa_s
, data
, 1, 1, forced_freq
);
7880 int wpas_p2p_nfc_report_handover(struct wpa_supplicant
*wpa_s
, int init
,
7881 const struct wpabuf
*req
,
7882 const struct wpabuf
*sel
, int forced_freq
)
7887 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
7890 wpa_printf(MSG_DEBUG
, "NFC: P2P connection handover reported");
7892 wpa_hexdump_ascii(MSG_DEBUG
, "NFC: Req",
7893 wpabuf_head(req
), wpabuf_len(req
));
7894 wpa_hexdump_ascii(MSG_DEBUG
, "NFC: Sel",
7895 wpabuf_head(sel
), wpabuf_len(sel
));
7897 wpa_printf(MSG_DEBUG
, "NFC: Forced freq %d", forced_freq
);
7898 tmp
= ndef_parse_p2p(init
? sel
: req
);
7900 wpa_printf(MSG_DEBUG
, "P2P: Could not parse NDEF");
7904 ret
= wpas_p2p_nfc_connection_handover(wpa_s
, tmp
, init
, 0,
7912 int wpas_p2p_nfc_tag_enabled(struct wpa_supplicant
*wpa_s
, int enabled
)
7915 int go_intent
= wpa_s
->conf
->p2p_go_intent
;
7916 struct wpa_supplicant
*iface
;
7918 if (wpa_s
->global
->p2p
== NULL
)
7922 wpa_printf(MSG_DEBUG
, "P2P: Disable use of own NFC Tag");
7923 for (iface
= wpa_s
->global
->ifaces
; iface
; iface
= iface
->next
)
7925 if (!iface
->ap_iface
)
7927 hostapd_wps_nfc_token_disable(iface
->ap_iface
->bss
[0]);
7929 p2p_set_authorized_oob_dev_pw_id(wpa_s
->global
->p2p
, 0,
7931 if (wpa_s
->p2p_nfc_tag_enabled
)
7932 wpas_p2p_remove_pending_group_interface(wpa_s
);
7933 wpa_s
->p2p_nfc_tag_enabled
= 0;
7937 if (wpa_s
->global
->p2p_disabled
)
7940 if (wpa_s
->conf
->wps_nfc_dh_pubkey
== NULL
||
7941 wpa_s
->conf
->wps_nfc_dh_privkey
== NULL
||
7942 wpa_s
->conf
->wps_nfc_dev_pw
== NULL
||
7943 wpa_s
->conf
->wps_nfc_dev_pw_id
< 0x10) {
7944 wpa_printf(MSG_DEBUG
, "P2P: NFC password token not configured "
7945 "to allow static handover cases");
7949 wpa_printf(MSG_DEBUG
, "P2P: Enable use of own NFC Tag");
7951 wpa_s
->p2p_oob_dev_pw_id
= wpa_s
->conf
->wps_nfc_dev_pw_id
;
7952 wpabuf_free(wpa_s
->p2p_oob_dev_pw
);
7953 wpa_s
->p2p_oob_dev_pw
= wpabuf_dup(wpa_s
->conf
->wps_nfc_dev_pw
);
7954 if (wpa_s
->p2p_oob_dev_pw
== NULL
)
7956 wpa_s
->p2p_peer_oob_pk_hash_known
= 0;
7958 if (wpa_s
->p2p_group_interface
== P2P_GROUP_INTERFACE_GO
||
7959 wpa_s
->p2p_group_interface
== P2P_GROUP_INTERFACE_CLIENT
) {
7961 * P2P Group Interface present and the command came on group
7962 * interface, so enable the token for the current interface.
7964 wpa_s
->create_p2p_iface
= 0;
7966 wpa_s
->create_p2p_iface
= wpas_p2p_create_iface(wpa_s
);
7969 if (wpa_s
->create_p2p_iface
) {
7970 enum wpa_driver_if_type iftype
;
7971 /* Prepare to add a new interface for the group */
7972 iftype
= WPA_IF_P2P_GROUP
;
7973 if (go_intent
== 15)
7974 iftype
= WPA_IF_P2P_GO
;
7975 if (wpas_p2p_add_group_interface(wpa_s
, iftype
) < 0) {
7976 wpa_printf(MSG_ERROR
, "P2P: Failed to allocate a new "
7977 "interface for the group");
7981 if_addr
= wpa_s
->pending_interface_addr
;
7983 if_addr
= wpa_s
->own_addr
;
7985 wpa_s
->p2p_nfc_tag_enabled
= enabled
;
7987 for (iface
= wpa_s
->global
->ifaces
; iface
; iface
= iface
->next
) {
7988 struct hostapd_data
*hapd
;
7989 if (iface
->ap_iface
== NULL
)
7991 hapd
= iface
->ap_iface
->bss
[0];
7992 wpabuf_free(hapd
->conf
->wps_nfc_dh_pubkey
);
7993 hapd
->conf
->wps_nfc_dh_pubkey
=
7994 wpabuf_dup(wpa_s
->conf
->wps_nfc_dh_pubkey
);
7995 wpabuf_free(hapd
->conf
->wps_nfc_dh_privkey
);
7996 hapd
->conf
->wps_nfc_dh_privkey
=
7997 wpabuf_dup(wpa_s
->conf
->wps_nfc_dh_privkey
);
7998 wpabuf_free(hapd
->conf
->wps_nfc_dev_pw
);
7999 hapd
->conf
->wps_nfc_dev_pw
=
8000 wpabuf_dup(wpa_s
->conf
->wps_nfc_dev_pw
);
8001 hapd
->conf
->wps_nfc_dev_pw_id
= wpa_s
->conf
->wps_nfc_dev_pw_id
;
8003 if (hostapd_wps_nfc_token_enable(iface
->ap_iface
->bss
[0]) < 0) {
8004 wpa_dbg(iface
, MSG_DEBUG
,
8005 "P2P: Failed to enable NFC Tag for GO");
8008 p2p_set_authorized_oob_dev_pw_id(
8009 wpa_s
->global
->p2p
, wpa_s
->conf
->wps_nfc_dev_pw_id
, go_intent
,
8015 #endif /* CONFIG_WPS_NFC */
8018 static void wpas_p2p_optimize_listen_channel(struct wpa_supplicant
*wpa_s
,
8019 struct wpa_used_freq_data
*freqs
,
8022 u8 curr_chan
, cand
, chan
;
8025 curr_chan
= p2p_get_listen_channel(wpa_s
->global
->p2p
);
8026 for (i
= 0, cand
= 0; i
< num
; i
++) {
8027 ieee80211_freq_to_chan(freqs
[i
].freq
, &chan
);
8028 if (curr_chan
== chan
) {
8033 if (chan
== 1 || chan
== 6 || chan
== 11)
8038 wpa_dbg(wpa_s
, MSG_DEBUG
,
8039 "P2P: Update Listen channel to %u based on operating channel",
8041 p2p_set_listen_channel(wpa_s
->global
->p2p
, 81, cand
, 0);
8046 void wpas_p2p_indicate_state_change(struct wpa_supplicant
*wpa_s
)
8048 struct wpa_used_freq_data
*freqs
;
8049 unsigned int num
= wpa_s
->num_multichan_concurrent
;
8051 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
8055 * If possible, optimize the Listen channel to be a channel that is
8056 * already used by one of the other interfaces.
8058 if (!wpa_s
->conf
->p2p_optimize_listen_chan
)
8061 if (!wpa_s
->current_ssid
|| wpa_s
->wpa_state
!= WPA_COMPLETED
)
8064 freqs
= os_calloc(num
, sizeof(struct wpa_used_freq_data
));
8068 num
= get_shared_radio_freqs_data(wpa_s
, freqs
, num
);
8070 wpas_p2p_optimize_listen_channel(wpa_s
, freqs
, num
);
8075 void wpas_p2p_deinit_iface(struct wpa_supplicant
*wpa_s
)
8077 if (wpa_s
== wpa_s
->global
->p2p_init_wpa_s
&& wpa_s
->global
->p2p
) {
8078 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Disable P2P since removing "
8079 "the management interface is being removed");
8080 wpas_p2p_deinit_global(wpa_s
->global
);
8085 void wpas_p2p_ap_deinit(struct wpa_supplicant
*wpa_s
)
8087 if (wpa_s
->ap_iface
->bss
)
8088 wpa_s
->ap_iface
->bss
[0]->p2p_group
= NULL
;
8089 wpas_p2p_group_deinit(wpa_s
);