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
);
2254 struct wpas_p2p_listen_work
{
2256 unsigned int duration
;
2257 struct wpabuf
*probe_resp_ie
;
2261 static void wpas_p2p_listen_work_free(struct wpas_p2p_listen_work
*lwork
)
2265 wpabuf_free(lwork
->probe_resp_ie
);
2270 static void wpas_p2p_listen_work_done(struct wpa_supplicant
*wpa_s
)
2272 struct wpas_p2p_listen_work
*lwork
;
2274 if (!wpa_s
->p2p_listen_work
)
2277 lwork
= wpa_s
->p2p_listen_work
->ctx
;
2278 wpas_p2p_listen_work_free(lwork
);
2279 radio_work_done(wpa_s
->p2p_listen_work
);
2280 wpa_s
->p2p_listen_work
= NULL
;
2284 static void wpas_start_listen_cb(struct wpa_radio_work
*work
, int deinit
)
2286 struct wpa_supplicant
*wpa_s
= work
->wpa_s
;
2287 struct wpas_p2p_listen_work
*lwork
= work
->ctx
;
2288 unsigned int duration
;
2291 if (work
->started
) {
2292 wpa_s
->p2p_listen_work
= NULL
;
2293 wpas_stop_listen(wpa_s
);
2295 wpas_p2p_listen_work_free(lwork
);
2299 wpa_s
->p2p_listen_work
= work
;
2301 wpa_drv_set_ap_wps_ie(wpa_s
, NULL
, lwork
->probe_resp_ie
, NULL
);
2303 if (wpa_drv_probe_req_report(wpa_s
, 1) < 0) {
2304 wpa_printf(MSG_DEBUG
, "P2P: Failed to request the driver to "
2305 "report received Probe Request frames");
2306 wpas_p2p_listen_work_done(wpa_s
);
2310 wpa_s
->pending_listen_freq
= lwork
->freq
;
2311 wpa_s
->pending_listen_duration
= lwork
->duration
;
2313 duration
= lwork
->duration
;
2314 #ifdef CONFIG_TESTING_OPTIONS
2315 if (wpa_s
->extra_roc_dur
) {
2316 wpa_printf(MSG_DEBUG
, "TESTING: Increase ROC duration %u -> %u",
2317 duration
, duration
+ wpa_s
->extra_roc_dur
);
2318 duration
+= wpa_s
->extra_roc_dur
;
2320 #endif /* CONFIG_TESTING_OPTIONS */
2322 if (wpa_drv_remain_on_channel(wpa_s
, lwork
->freq
, duration
) < 0) {
2323 wpa_printf(MSG_DEBUG
, "P2P: Failed to request the driver "
2324 "to remain on channel (%u MHz) for Listen "
2325 "state", lwork
->freq
);
2326 wpas_p2p_listen_work_done(wpa_s
);
2327 wpa_s
->pending_listen_freq
= 0;
2330 wpa_s
->off_channel_freq
= 0;
2331 wpa_s
->roc_waiting_drv_freq
= lwork
->freq
;
2335 static int wpas_start_listen(void *ctx
, unsigned int freq
,
2336 unsigned int duration
,
2337 const struct wpabuf
*probe_resp_ie
)
2339 struct wpa_supplicant
*wpa_s
= ctx
;
2340 struct wpas_p2p_listen_work
*lwork
;
2342 if (wpa_s
->p2p_listen_work
) {
2343 wpa_printf(MSG_DEBUG
, "P2P: Reject start_listen since p2p_listen_work already exists");
2347 lwork
= os_zalloc(sizeof(*lwork
));
2351 lwork
->duration
= duration
;
2352 if (probe_resp_ie
) {
2353 lwork
->probe_resp_ie
= wpabuf_dup(probe_resp_ie
);
2354 if (lwork
->probe_resp_ie
== NULL
) {
2355 wpas_p2p_listen_work_free(lwork
);
2360 if (radio_add_work(wpa_s
, freq
, "p2p-listen", 0, wpas_start_listen_cb
,
2362 wpas_p2p_listen_work_free(lwork
);
2370 static void wpas_stop_listen(void *ctx
)
2372 struct wpa_supplicant
*wpa_s
= ctx
;
2373 if (wpa_s
->off_channel_freq
|| wpa_s
->roc_waiting_drv_freq
) {
2374 wpa_drv_cancel_remain_on_channel(wpa_s
);
2375 wpa_s
->off_channel_freq
= 0;
2376 wpa_s
->roc_waiting_drv_freq
= 0;
2378 wpa_drv_set_ap_wps_ie(wpa_s
, NULL
, NULL
, NULL
);
2379 wpa_drv_probe_req_report(wpa_s
, 0);
2380 wpas_p2p_listen_work_done(wpa_s
);
2384 static int wpas_send_probe_resp(void *ctx
, const struct wpabuf
*buf
)
2386 struct wpa_supplicant
*wpa_s
= ctx
;
2387 return wpa_drv_send_mlme(wpa_s
, wpabuf_head(buf
), wpabuf_len(buf
), 1);
2391 static void wpas_prov_disc_local_display(struct wpa_supplicant
*wpa_s
,
2392 const u8
*peer
, const char *params
,
2393 unsigned int generated_pin
)
2395 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_PROV_DISC_SHOW_PIN MACSTR
2396 " %08d%s", MAC2STR(peer
), generated_pin
, params
);
2400 static void wpas_prov_disc_local_keypad(struct wpa_supplicant
*wpa_s
,
2401 const u8
*peer
, const char *params
)
2403 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_PROV_DISC_ENTER_PIN MACSTR
2404 "%s", MAC2STR(peer
), params
);
2408 static void wpas_prov_disc_req(void *ctx
, const u8
*peer
, u16 config_methods
,
2409 const u8
*dev_addr
, const u8
*pri_dev_type
,
2410 const char *dev_name
, u16 supp_config_methods
,
2411 u8 dev_capab
, u8 group_capab
, const u8
*group_id
,
2412 size_t group_id_len
)
2414 struct wpa_supplicant
*wpa_s
= ctx
;
2415 char devtype
[WPS_DEV_TYPE_BUFSIZE
];
2417 u8 empty_dev_type
[8];
2418 unsigned int generated_pin
= 0;
2419 struct wpa_supplicant
*group
= NULL
;
2423 for (group
= wpa_s
->global
->ifaces
; group
; group
= group
->next
)
2425 struct wpa_ssid
*s
= group
->current_ssid
;
2427 s
->mode
== WPAS_MODE_P2P_GO
&&
2428 group_id_len
- ETH_ALEN
== s
->ssid_len
&&
2429 os_memcmp(group_id
+ ETH_ALEN
, s
->ssid
,
2435 if (pri_dev_type
== NULL
) {
2436 os_memset(empty_dev_type
, 0, sizeof(empty_dev_type
));
2437 pri_dev_type
= empty_dev_type
;
2439 res
= os_snprintf(params
, sizeof(params
), " p2p_dev_addr=" MACSTR
2440 " pri_dev_type=%s name='%s' config_methods=0x%x "
2441 "dev_capab=0x%x group_capab=0x%x%s%s",
2443 wps_dev_type_bin2str(pri_dev_type
, devtype
,
2445 dev_name
, supp_config_methods
, dev_capab
, group_capab
,
2446 group
? " group=" : "",
2447 group
? group
->ifname
: "");
2448 if (os_snprintf_error(sizeof(params
), res
))
2449 wpa_printf(MSG_DEBUG
, "P2P: PD Request event truncated");
2450 params
[sizeof(params
) - 1] = '\0';
2452 if (config_methods
& WPS_CONFIG_DISPLAY
) {
2453 generated_pin
= wps_generate_pin();
2454 wpas_prov_disc_local_display(wpa_s
, peer
, params
,
2456 } else if (config_methods
& WPS_CONFIG_KEYPAD
)
2457 wpas_prov_disc_local_keypad(wpa_s
, peer
, params
);
2458 else if (config_methods
& WPS_CONFIG_PUSHBUTTON
)
2459 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_PROV_DISC_PBC_REQ
2460 MACSTR
"%s", MAC2STR(peer
), params
);
2462 wpas_notify_p2p_provision_discovery(wpa_s
, peer
, 1 /* request */,
2463 P2P_PROV_DISC_SUCCESS
,
2464 config_methods
, generated_pin
);
2468 static void wpas_prov_disc_resp(void *ctx
, const u8
*peer
, u16 config_methods
)
2470 struct wpa_supplicant
*wpa_s
= ctx
;
2471 unsigned int generated_pin
= 0;
2474 if (wpa_s
->pending_pd_before_join
&&
2475 (os_memcmp(peer
, wpa_s
->pending_join_dev_addr
, ETH_ALEN
) == 0 ||
2476 os_memcmp(peer
, wpa_s
->pending_join_iface_addr
, ETH_ALEN
) == 0)) {
2477 wpa_s
->pending_pd_before_join
= 0;
2478 wpa_printf(MSG_DEBUG
, "P2P: Starting pending "
2479 "join-existing-group operation");
2480 wpas_p2p_join_start(wpa_s
, 0, NULL
, 0);
2484 if (wpa_s
->pending_pd_use
== AUTO_PD_JOIN
||
2485 wpa_s
->pending_pd_use
== AUTO_PD_GO_NEG
) {
2488 res
= os_snprintf(params
, sizeof(params
), " peer_go=%d",
2489 wpa_s
->pending_pd_use
== AUTO_PD_JOIN
);
2490 if (os_snprintf_error(sizeof(params
), res
))
2491 params
[sizeof(params
) - 1] = '\0';
2495 if (config_methods
& WPS_CONFIG_DISPLAY
)
2496 wpas_prov_disc_local_keypad(wpa_s
, peer
, params
);
2497 else if (config_methods
& WPS_CONFIG_KEYPAD
) {
2498 generated_pin
= wps_generate_pin();
2499 wpas_prov_disc_local_display(wpa_s
, peer
, params
,
2501 } else if (config_methods
& WPS_CONFIG_PUSHBUTTON
)
2502 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_PROV_DISC_PBC_RESP
2503 MACSTR
"%s", MAC2STR(peer
), params
);
2505 wpas_notify_p2p_provision_discovery(wpa_s
, peer
, 0 /* response */,
2506 P2P_PROV_DISC_SUCCESS
,
2507 config_methods
, generated_pin
);
2511 static void wpas_prov_disc_fail(void *ctx
, const u8
*peer
,
2512 enum p2p_prov_disc_status status
,
2513 u32 adv_id
, const u8
*adv_mac
,
2514 const char *deferred_session_resp
)
2516 struct wpa_supplicant
*wpa_s
= ctx
;
2518 if (wpa_s
->p2p_fallback_to_go_neg
) {
2519 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: PD for p2p_connect-auto "
2520 "failed - fall back to GO Negotiation");
2521 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
2522 P2P_EVENT_FALLBACK_TO_GO_NEG
2523 "reason=PD-failed");
2524 wpas_p2p_fallback_to_go_neg(wpa_s
, 0);
2528 if (status
== P2P_PROV_DISC_TIMEOUT_JOIN
) {
2529 wpa_s
->pending_pd_before_join
= 0;
2530 wpa_printf(MSG_DEBUG
, "P2P: Starting pending "
2531 "join-existing-group operation (no ACK for PD "
2533 wpas_p2p_join_start(wpa_s
, 0, NULL
, 0);
2537 if (adv_id
&& adv_mac
&& deferred_session_resp
) {
2538 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_PROV_DISC_FAILURE
2539 " p2p_dev_addr=" MACSTR
" status=%d adv_id=%x"
2540 " deferred_session_resp='%s'",
2541 MAC2STR(peer
), status
, adv_id
,
2542 deferred_session_resp
);
2543 } else if (adv_id
&& adv_mac
) {
2544 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_PROV_DISC_FAILURE
2545 " p2p_dev_addr=" MACSTR
" status=%d adv_id=%x",
2546 MAC2STR(peer
), status
, adv_id
);
2548 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_PROV_DISC_FAILURE
2549 " p2p_dev_addr=" MACSTR
" status=%d",
2550 MAC2STR(peer
), status
);
2553 wpas_notify_p2p_provision_discovery(wpa_s
, peer
, 0 /* response */,
2558 static int freq_included(const struct p2p_channels
*channels
, unsigned int freq
)
2560 if (channels
== NULL
)
2561 return 1; /* Assume no restrictions */
2562 return p2p_channels_includes_freq(channels
, freq
);
2568 * Pick the best frequency to use from all the currently used frequencies.
2570 static int wpas_p2p_pick_best_used_freq(struct wpa_supplicant
*wpa_s
,
2571 struct wpa_used_freq_data
*freqs
,
2576 /* find a candidate freq that is supported by P2P */
2577 for (c
= 0; c
< num
; c
++)
2578 if (p2p_supported_freq(wpa_s
->global
->p2p
, freqs
[c
].freq
))
2584 /* once we have a candidate, try to find a 'better' one */
2585 for (i
= c
+ 1; i
< num
; i
++) {
2586 if (!p2p_supported_freq(wpa_s
->global
->p2p
, freqs
[i
].freq
))
2590 * 1. Infrastructure station interfaces have higher preference.
2591 * 2. P2P Clients have higher preference.
2594 if (freqs
[i
].flags
& WPA_FREQ_USED_BY_INFRA_STATION
) {
2599 if ((freqs
[i
].flags
& WPA_FREQ_USED_BY_P2P_CLIENT
))
2602 return freqs
[c
].freq
;
2606 static u8
wpas_invitation_process(void *ctx
, const u8
*sa
, const u8
*bssid
,
2607 const u8
*go_dev_addr
, const u8
*ssid
,
2608 size_t ssid_len
, int *go
, u8
*group_bssid
,
2609 int *force_freq
, int persistent_group
,
2610 const struct p2p_channels
*channels
,
2613 struct wpa_supplicant
*wpa_s
= ctx
;
2615 struct wpa_used_freq_data
*freqs
;
2616 struct wpa_supplicant
*grp
;
2619 if (!persistent_group
) {
2620 wpa_printf(MSG_DEBUG
, "P2P: Invitation from " MACSTR
2621 " to join an active group (SSID: %s)",
2622 MAC2STR(sa
), wpa_ssid_txt(ssid
, ssid_len
));
2623 if (!is_zero_ether_addr(wpa_s
->p2p_auth_invite
) &&
2624 (os_memcmp(go_dev_addr
, wpa_s
->p2p_auth_invite
, ETH_ALEN
)
2626 os_memcmp(sa
, wpa_s
->p2p_auth_invite
, ETH_ALEN
) == 0)) {
2627 wpa_printf(MSG_DEBUG
, "P2P: Accept previously "
2628 "authorized invitation");
2632 #ifdef CONFIG_WPS_NFC
2633 if (dev_pw_id
>= 0 && wpa_s
->p2p_nfc_tag_enabled
&&
2634 dev_pw_id
== wpa_s
->p2p_oob_dev_pw_id
) {
2635 wpa_printf(MSG_DEBUG
, "P2P: Accept invitation based on local enabled NFC Tag");
2636 wpa_s
->p2p_wps_method
= WPS_NFC
;
2637 wpa_s
->pending_join_wps_method
= WPS_NFC
;
2638 os_memcpy(wpa_s
->pending_join_dev_addr
,
2639 go_dev_addr
, ETH_ALEN
);
2640 os_memcpy(wpa_s
->pending_join_iface_addr
,
2644 #endif /* CONFIG_WPS_NFC */
2647 * Do not accept the invitation automatically; notify user and
2650 return P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE
;
2653 grp
= wpas_get_p2p_group(wpa_s
, ssid
, ssid_len
, go
);
2655 wpa_printf(MSG_DEBUG
, "P2P: Accept invitation to already "
2656 "running persistent group");
2658 os_memcpy(group_bssid
, grp
->own_addr
, ETH_ALEN
);
2662 if (!is_zero_ether_addr(wpa_s
->p2p_auth_invite
) &&
2663 os_memcmp(sa
, wpa_s
->p2p_auth_invite
, ETH_ALEN
) == 0) {
2664 wpa_printf(MSG_DEBUG
, "P2P: Accept previously initiated "
2665 "invitation to re-invoke a persistent group");
2666 os_memset(wpa_s
->p2p_auth_invite
, 0, ETH_ALEN
);
2667 } else if (!wpa_s
->conf
->persistent_reconnect
)
2668 return P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE
;
2670 for (s
= wpa_s
->conf
->ssid
; s
; s
= s
->next
) {
2671 if (s
->disabled
== 2 &&
2672 os_memcmp(s
->bssid
, go_dev_addr
, ETH_ALEN
) == 0 &&
2673 s
->ssid_len
== ssid_len
&&
2674 os_memcmp(ssid
, s
->ssid
, ssid_len
) == 0)
2679 wpa_printf(MSG_DEBUG
, "P2P: Invitation from " MACSTR
2680 " requested reinvocation of an unknown group",
2682 return P2P_SC_FAIL_UNKNOWN_GROUP
;
2685 if (s
->mode
== WPAS_MODE_P2P_GO
&& !wpas_p2p_create_iface(wpa_s
)) {
2687 if (wpa_s
->wpa_state
>= WPA_AUTHENTICATING
) {
2688 wpa_printf(MSG_DEBUG
, "P2P: The only available "
2689 "interface is already in use - reject "
2691 return P2P_SC_FAIL_UNABLE_TO_ACCOMMODATE
;
2693 os_memcpy(group_bssid
, wpa_s
->own_addr
, ETH_ALEN
);
2694 } else if (s
->mode
== WPAS_MODE_P2P_GO
) {
2696 if (wpas_p2p_add_group_interface(wpa_s
, WPA_IF_P2P_GO
) < 0)
2698 wpa_printf(MSG_ERROR
, "P2P: Failed to allocate a new "
2699 "interface address for the group");
2700 return P2P_SC_FAIL_UNABLE_TO_ACCOMMODATE
;
2702 os_memcpy(group_bssid
, wpa_s
->pending_interface_addr
,
2707 wpas_p2p_set_own_freq_preference(wpa_s
, 0);
2710 freqs
= os_calloc(wpa_s
->num_multichan_concurrent
,
2711 sizeof(struct wpa_used_freq_data
));
2713 int num_channels
= wpa_s
->num_multichan_concurrent
;
2714 int num
= wpas_p2p_valid_oper_freqs(wpa_s
, freqs
, num_channels
);
2715 best_freq
= wpas_p2p_pick_best_used_freq(wpa_s
, freqs
, num
);
2719 /* Get one of the frequencies currently in use */
2720 if (best_freq
> 0) {
2721 wpa_printf(MSG_DEBUG
, "P2P: Trying to prefer a channel already used by one of the interfaces");
2722 wpas_p2p_set_own_freq_preference(wpa_s
, best_freq
);
2724 if (wpa_s
->num_multichan_concurrent
< 2 ||
2725 wpas_p2p_num_unused_channels(wpa_s
) < 1) {
2726 wpa_printf(MSG_DEBUG
, "P2P: No extra channels available - trying to force channel to match a channel already used by one of the interfaces");
2727 *force_freq
= best_freq
;
2731 if (*force_freq
> 0 && wpa_s
->num_multichan_concurrent
> 1 &&
2732 wpas_p2p_num_unused_channels(wpa_s
) > 0) {
2734 /* We are the client */
2735 wpa_printf(MSG_DEBUG
, "P2P: Peer was found to be "
2736 "running a GO but we are capable of MCC, "
2737 "figure out the best channel to use");
2739 } else if (!freq_included(channels
, *force_freq
)) {
2740 /* We are the GO, and *force_freq is not in the
2742 wpa_printf(MSG_DEBUG
, "P2P: Forced GO freq %d MHz not "
2743 "in intersection but we are capable of MCC, "
2744 "figure out the best channel to use",
2750 return P2P_SC_SUCCESS
;
2754 static void wpas_invitation_received(void *ctx
, const u8
*sa
, const u8
*bssid
,
2755 const u8
*ssid
, size_t ssid_len
,
2756 const u8
*go_dev_addr
, u8 status
,
2759 struct wpa_supplicant
*wpa_s
= ctx
;
2762 for (s
= wpa_s
->conf
->ssid
; s
; s
= s
->next
) {
2763 if (s
->disabled
== 2 &&
2764 s
->ssid_len
== ssid_len
&&
2765 os_memcmp(ssid
, s
->ssid
, ssid_len
) == 0)
2769 if (status
== P2P_SC_SUCCESS
) {
2770 wpa_printf(MSG_DEBUG
, "P2P: Invitation from peer " MACSTR
2771 " was accepted; op_freq=%d MHz, SSID=%s",
2772 MAC2STR(sa
), op_freq
, wpa_ssid_txt(ssid
, ssid_len
));
2774 int go
= s
->mode
== WPAS_MODE_P2P_GO
;
2775 wpas_p2p_group_add_persistent(
2776 wpa_s
, s
, go
, 0, op_freq
, 0, 0, NULL
,
2777 go
? P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE
: 0);
2779 wpa_s
->user_initiated_pd
= 0;
2780 wpas_p2p_join(wpa_s
, bssid
, go_dev_addr
,
2781 wpa_s
->p2p_wps_method
, 0, op_freq
,
2787 if (status
!= P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE
) {
2788 wpa_printf(MSG_DEBUG
, "P2P: Invitation from peer " MACSTR
2789 " was rejected (status %u)", MAC2STR(sa
), status
);
2795 wpa_msg_global(wpa_s
, MSG_INFO
,
2796 P2P_EVENT_INVITATION_RECEIVED
2797 "sa=" MACSTR
" go_dev_addr=" MACSTR
2798 " bssid=" MACSTR
" unknown-network",
2799 MAC2STR(sa
), MAC2STR(go_dev_addr
),
2802 wpa_msg_global(wpa_s
, MSG_INFO
,
2803 P2P_EVENT_INVITATION_RECEIVED
2804 "sa=" MACSTR
" go_dev_addr=" MACSTR
2806 MAC2STR(sa
), MAC2STR(go_dev_addr
));
2811 if (s
->mode
== WPAS_MODE_P2P_GO
&& op_freq
) {
2812 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_INVITATION_RECEIVED
2813 "sa=" MACSTR
" persistent=%d freq=%d",
2814 MAC2STR(sa
), s
->id
, op_freq
);
2816 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_INVITATION_RECEIVED
2817 "sa=" MACSTR
" persistent=%d",
2818 MAC2STR(sa
), s
->id
);
2823 static void wpas_remove_persistent_peer(struct wpa_supplicant
*wpa_s
,
2824 struct wpa_ssid
*ssid
,
2825 const u8
*peer
, int inv
)
2832 for (i
= 0; ssid
->p2p_client_list
&& i
< ssid
->num_p2p_clients
; i
++) {
2833 if (os_memcmp(ssid
->p2p_client_list
+ i
* 2 * ETH_ALEN
, peer
,
2837 if (i
>= ssid
->num_p2p_clients
|| !ssid
->p2p_client_list
) {
2838 if (ssid
->mode
!= WPAS_MODE_P2P_GO
&&
2839 os_memcmp(ssid
->bssid
, peer
, ETH_ALEN
) == 0) {
2840 wpa_printf(MSG_DEBUG
, "P2P: Remove persistent group %d "
2841 "due to invitation result", ssid
->id
);
2842 wpas_notify_network_removed(wpa_s
, ssid
);
2843 wpa_config_remove_network(wpa_s
->conf
, ssid
->id
);
2846 return; /* Peer not found in client list */
2849 wpa_printf(MSG_DEBUG
, "P2P: Remove peer " MACSTR
" from persistent "
2850 "group %d client list%s",
2851 MAC2STR(peer
), ssid
->id
,
2852 inv
? " due to invitation result" : "");
2853 os_memmove(ssid
->p2p_client_list
+ i
* 2 * ETH_ALEN
,
2854 ssid
->p2p_client_list
+ (i
+ 1) * 2 * ETH_ALEN
,
2855 (ssid
->num_p2p_clients
- i
- 1) * 2 * ETH_ALEN
);
2856 ssid
->num_p2p_clients
--;
2857 if (wpa_s
->parent
->conf
->update_config
&&
2858 wpa_config_write(wpa_s
->parent
->confname
, wpa_s
->parent
->conf
))
2859 wpa_printf(MSG_DEBUG
, "P2P: Failed to update configuration");
2863 static void wpas_remove_persistent_client(struct wpa_supplicant
*wpa_s
,
2866 struct wpa_ssid
*ssid
;
2868 wpa_s
= wpa_s
->global
->p2p_invite_group
;
2870 return; /* No known invitation group */
2871 ssid
= wpa_s
->current_ssid
;
2872 if (ssid
== NULL
|| ssid
->mode
!= WPAS_MODE_P2P_GO
||
2873 !ssid
->p2p_persistent_group
)
2874 return; /* Not operating as a GO in persistent group */
2875 ssid
= wpas_p2p_get_persistent(wpa_s
->parent
, peer
,
2876 ssid
->ssid
, ssid
->ssid_len
);
2877 wpas_remove_persistent_peer(wpa_s
, ssid
, peer
, 1);
2881 static void wpas_invitation_result(void *ctx
, int status
, const u8
*bssid
,
2882 const struct p2p_channels
*channels
,
2883 const u8
*peer
, int neg_freq
,
2886 struct wpa_supplicant
*wpa_s
= ctx
;
2887 struct wpa_ssid
*ssid
;
2891 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_INVITATION_RESULT
2892 "status=%d " MACSTR
,
2893 status
, MAC2STR(bssid
));
2895 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_INVITATION_RESULT
2896 "status=%d ", status
);
2898 wpas_notify_p2p_invitation_result(wpa_s
, status
, bssid
);
2900 wpa_printf(MSG_DEBUG
, "P2P: Invitation result - status=%d peer=" MACSTR
,
2901 status
, MAC2STR(peer
));
2902 if (wpa_s
->pending_invite_ssid_id
== -1) {
2903 if (status
== P2P_SC_FAIL_UNKNOWN_GROUP
)
2904 wpas_remove_persistent_client(wpa_s
, peer
);
2905 return; /* Invitation to active group */
2908 if (status
== P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE
) {
2909 wpa_printf(MSG_DEBUG
, "P2P: Waiting for peer to start another "
2910 "invitation exchange to indicate readiness for "
2914 if (status
!= P2P_SC_SUCCESS
) {
2915 if (status
== P2P_SC_FAIL_UNKNOWN_GROUP
) {
2916 ssid
= wpa_config_get_network(
2917 wpa_s
->conf
, wpa_s
->pending_invite_ssid_id
);
2918 wpas_remove_persistent_peer(wpa_s
, ssid
, peer
, 1);
2920 wpas_p2p_remove_pending_group_interface(wpa_s
);
2924 ssid
= wpa_config_get_network(wpa_s
->conf
,
2925 wpa_s
->pending_invite_ssid_id
);
2927 wpa_printf(MSG_ERROR
, "P2P: Could not find persistent group "
2928 "data matching with invitation");
2933 * The peer could have missed our ctrl::ack frame for Invitation
2934 * Response and continue retransmitting the frame. To reduce the
2935 * likelihood of the peer not getting successful TX status for the
2936 * Invitation Response frame, wait a short time here before starting
2937 * the persistent group so that we will remain on the current channel to
2938 * acknowledge any possible retransmission from the peer.
2940 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: 50 ms wait on current channel before "
2941 "starting persistent group");
2944 if (neg_freq
> 0 && ssid
->mode
== WPAS_MODE_P2P_GO
&&
2945 freq_included(channels
, neg_freq
))
2947 else if (peer_oper_freq
> 0 && ssid
->mode
!= WPAS_MODE_P2P_GO
&&
2948 freq_included(channels
, peer_oper_freq
))
2949 freq
= peer_oper_freq
;
2953 wpa_printf(MSG_DEBUG
, "P2P: Persistent group invitation success - op_freq=%d MHz SSID=%s",
2954 freq
, wpa_ssid_txt(ssid
->ssid
, ssid
->ssid_len
));
2955 wpas_p2p_group_add_persistent(wpa_s
, ssid
,
2956 ssid
->mode
== WPAS_MODE_P2P_GO
,
2957 wpa_s
->p2p_persistent_go_freq
,
2959 wpa_s
->p2p_go_ht40
, wpa_s
->p2p_go_vht
,
2961 ssid
->mode
== WPAS_MODE_P2P_GO
?
2962 P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE
:
2967 static int wpas_p2p_disallowed_freq(struct wpa_global
*global
,
2970 if (freq_range_list_includes(&global
->p2p_go_avoid_freq
, freq
))
2972 return freq_range_list_includes(&global
->p2p_disallow_freq
, freq
);
2976 static void wpas_p2p_add_chan(struct p2p_reg_class
*reg
, u8 chan
)
2978 reg
->channel
[reg
->channels
] = chan
;
2983 static int wpas_p2p_default_channels(struct wpa_supplicant
*wpa_s
,
2984 struct p2p_channels
*chan
,
2985 struct p2p_channels
*cli_chan
)
2989 wpa_s
->global
->p2p_24ghz_social_channels
= 1;
2991 os_memset(cli_chan
, 0, sizeof(*cli_chan
));
2993 wpa_printf(MSG_DEBUG
, "P2P: Enable operating classes for 2.4 GHz "
2996 /* Operating class 81 - 2.4 GHz band channels 1..13 */
2997 chan
->reg_class
[cla
].reg_class
= 81;
2998 chan
->reg_class
[cla
].channels
= 0;
2999 for (i
= 0; i
< 11; i
++) {
3000 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 2412 + i
* 5))
3001 wpas_p2p_add_chan(&chan
->reg_class
[cla
], i
+ 1);
3003 if (chan
->reg_class
[cla
].channels
)
3006 wpa_printf(MSG_DEBUG
, "P2P: Enable operating classes for lower 5 GHz "
3009 /* Operating class 115 - 5 GHz, channels 36-48 */
3010 chan
->reg_class
[cla
].reg_class
= 115;
3011 chan
->reg_class
[cla
].channels
= 0;
3012 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 5000 + 36 * 5))
3013 wpas_p2p_add_chan(&chan
->reg_class
[cla
], 36);
3014 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 5000 + 40 * 5))
3015 wpas_p2p_add_chan(&chan
->reg_class
[cla
], 40);
3016 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 5000 + 44 * 5))
3017 wpas_p2p_add_chan(&chan
->reg_class
[cla
], 44);
3018 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 5000 + 48 * 5))
3019 wpas_p2p_add_chan(&chan
->reg_class
[cla
], 48);
3020 if (chan
->reg_class
[cla
].channels
)
3023 wpa_printf(MSG_DEBUG
, "P2P: Enable operating classes for higher 5 GHz "
3026 /* Operating class 124 - 5 GHz, channels 149,153,157,161 */
3027 chan
->reg_class
[cla
].reg_class
= 124;
3028 chan
->reg_class
[cla
].channels
= 0;
3029 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 5000 + 149 * 5))
3030 wpas_p2p_add_chan(&chan
->reg_class
[cla
], 149);
3031 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 5000 + 153 * 5))
3032 wpas_p2p_add_chan(&chan
->reg_class
[cla
], 153);
3033 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 5000 + 156 * 5))
3034 wpas_p2p_add_chan(&chan
->reg_class
[cla
], 157);
3035 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 5000 + 161 * 5))
3036 wpas_p2p_add_chan(&chan
->reg_class
[cla
], 161);
3037 if (chan
->reg_class
[cla
].channels
)
3040 chan
->reg_classes
= cla
;
3045 static struct hostapd_hw_modes
* get_mode(struct hostapd_hw_modes
*modes
,
3047 enum hostapd_hw_mode mode
)
3051 for (i
= 0; i
< num_modes
; i
++) {
3052 if (modes
[i
].mode
== mode
)
3061 NOT_ALLOWED
, NO_IR
, ALLOWED
3064 static int has_channel(struct wpa_global
*global
,
3065 struct hostapd_hw_modes
*mode
, u8 chan
, int *flags
)
3070 freq
= (mode
->mode
== HOSTAPD_MODE_IEEE80211A
? 5000 : 2407) +
3072 if (wpas_p2p_disallowed_freq(global
, freq
))
3075 for (i
= 0; i
< mode
->num_channels
; i
++) {
3076 if (mode
->channels
[i
].chan
== chan
) {
3078 *flags
= mode
->channels
[i
].flag
;
3079 if (mode
->channels
[i
].flag
&
3080 (HOSTAPD_CHAN_DISABLED
|
3081 HOSTAPD_CHAN_RADAR
))
3083 if (mode
->channels
[i
].flag
& HOSTAPD_CHAN_NO_IR
)
3093 struct p2p_oper_class_map
{
3094 enum hostapd_hw_mode mode
;
3099 enum { BW20
, BW40PLUS
, BW40MINUS
, BW80
, BW2160
} bw
;
3102 static const struct p2p_oper_class_map op_class
[] = {
3103 { HOSTAPD_MODE_IEEE80211G
, 81, 1, 13, 1, BW20
},
3104 #if 0 /* Do not enable HT40 on 2 GHz for now */
3105 { HOSTAPD_MODE_IEEE80211G
, 83, 1, 9, 1, BW40PLUS
},
3106 { HOSTAPD_MODE_IEEE80211G
, 84, 5, 13, 1, BW40MINUS
},
3108 { HOSTAPD_MODE_IEEE80211A
, 115, 36, 48, 4, BW20
},
3109 { HOSTAPD_MODE_IEEE80211A
, 124, 149, 161, 4, BW20
},
3110 { HOSTAPD_MODE_IEEE80211A
, 116, 36, 44, 8, BW40PLUS
},
3111 { HOSTAPD_MODE_IEEE80211A
, 117, 40, 48, 8, BW40MINUS
},
3112 { HOSTAPD_MODE_IEEE80211A
, 126, 149, 157, 8, BW40PLUS
},
3113 { HOSTAPD_MODE_IEEE80211A
, 127, 153, 161, 8, BW40MINUS
},
3116 * IEEE P802.11ac/D7.0 Table E-4 actually talks about channel center
3117 * frequency index 42, 58, 106, 122, 138, 155 with channel spacing of
3118 * 80 MHz, but currently use the following definition for simplicity
3119 * (these center frequencies are not actual channels, which makes
3120 * has_channel() fail). wpas_p2p_verify_80mhz() should take care of
3121 * removing invalid channels.
3123 { HOSTAPD_MODE_IEEE80211A
, 128, 36, 161, 4, BW80
},
3124 { HOSTAPD_MODE_IEEE80211AD
, 180, 1, 4, 1, BW2160
},
3125 { -1, 0, 0, 0, 0, BW20
}
3129 static int wpas_p2p_get_center_80mhz(struct wpa_supplicant
*wpa_s
,
3130 struct hostapd_hw_modes
*mode
,
3133 u8 center_channels
[] = { 42, 58, 106, 122, 138, 155 };
3136 if (mode
->mode
!= HOSTAPD_MODE_IEEE80211A
)
3139 for (i
= 0; i
< ARRAY_SIZE(center_channels
); i
++)
3141 * In 80 MHz, the bandwidth "spans" 12 channels (e.g., 36-48),
3142 * so the center channel is 6 channels away from the start/end.
3144 if (channel
>= center_channels
[i
] - 6 &&
3145 channel
<= center_channels
[i
] + 6)
3146 return center_channels
[i
];
3152 static enum chan_allowed
wpas_p2p_verify_80mhz(struct wpa_supplicant
*wpa_s
,
3153 struct hostapd_hw_modes
*mode
,
3158 enum chan_allowed res
, ret
= ALLOWED
;
3160 center_chan
= wpas_p2p_get_center_80mhz(wpa_s
, mode
, channel
);
3163 if (center_chan
>= 58 && center_chan
<= 138)
3164 return NOT_ALLOWED
; /* Do not allow DFS channels for P2P */
3166 /* check all the channels are available */
3167 for (i
= 0; i
< 4; i
++) {
3168 int adj_chan
= center_chan
- 6 + i
* 4;
3170 res
= has_channel(wpa_s
->global
, mode
, adj_chan
, &flags
);
3171 if (res
== NOT_ALLOWED
)
3176 if (i
== 0 && !(flags
& HOSTAPD_CHAN_VHT_10_70
))
3178 if (i
== 1 && !(flags
& HOSTAPD_CHAN_VHT_30_50
))
3180 if (i
== 2 && !(flags
& HOSTAPD_CHAN_VHT_50_30
))
3182 if (i
== 3 && !(flags
& HOSTAPD_CHAN_VHT_70_10
))
3190 static enum chan_allowed
wpas_p2p_verify_channel(struct wpa_supplicant
*wpa_s
,
3191 struct hostapd_hw_modes
*mode
,
3195 enum chan_allowed res
, res2
;
3197 res2
= res
= has_channel(wpa_s
->global
, mode
, channel
, &flag
);
3198 if (bw
== BW40MINUS
) {
3199 if (!(flag
& HOSTAPD_CHAN_HT40MINUS
))
3201 res2
= has_channel(wpa_s
->global
, mode
, channel
- 4, NULL
);
3202 } else if (bw
== BW40PLUS
) {
3203 if (!(flag
& HOSTAPD_CHAN_HT40PLUS
))
3205 res2
= has_channel(wpa_s
->global
, mode
, channel
+ 4, NULL
);
3206 } else if (bw
== BW80
) {
3207 res2
= wpas_p2p_verify_80mhz(wpa_s
, mode
, channel
, bw
);
3210 if (res
== NOT_ALLOWED
|| res2
== NOT_ALLOWED
)
3212 if (res
== NO_IR
|| res2
== NO_IR
)
3218 static int wpas_p2p_setup_channels(struct wpa_supplicant
*wpa_s
,
3219 struct p2p_channels
*chan
,
3220 struct p2p_channels
*cli_chan
)
3222 struct hostapd_hw_modes
*mode
;
3223 int cla
, op
, cli_cla
;
3225 if (wpa_s
->hw
.modes
== NULL
) {
3226 wpa_printf(MSG_DEBUG
, "P2P: Driver did not support fetching "
3227 "of all supported channels; assume dualband "
3229 return wpas_p2p_default_channels(wpa_s
, chan
, cli_chan
);
3234 for (op
= 0; op_class
[op
].op_class
; op
++) {
3235 const struct p2p_oper_class_map
*o
= &op_class
[op
];
3237 struct p2p_reg_class
*reg
= NULL
, *cli_reg
= NULL
;
3239 mode
= get_mode(wpa_s
->hw
.modes
, wpa_s
->hw
.num_modes
, o
->mode
);
3242 if (mode
->mode
== HOSTAPD_MODE_IEEE80211G
)
3243 wpa_s
->global
->p2p_24ghz_social_channels
= 1;
3244 for (ch
= o
->min_chan
; ch
<= o
->max_chan
; ch
+= o
->inc
) {
3245 enum chan_allowed res
;
3246 res
= wpas_p2p_verify_channel(wpa_s
, mode
, ch
, o
->bw
);
3247 if (res
== ALLOWED
) {
3249 wpa_printf(MSG_DEBUG
, "P2P: Add operating class %u",
3251 reg
= &chan
->reg_class
[cla
];
3253 reg
->reg_class
= o
->op_class
;
3255 reg
->channel
[reg
->channels
] = ch
;
3257 } else if (res
== NO_IR
&&
3258 wpa_s
->conf
->p2p_add_cli_chan
) {
3259 if (cli_reg
== NULL
) {
3260 wpa_printf(MSG_DEBUG
, "P2P: Add operating class %u (client only)",
3262 cli_reg
= &cli_chan
->reg_class
[cli_cla
];
3264 cli_reg
->reg_class
= o
->op_class
;
3266 cli_reg
->channel
[cli_reg
->channels
] = ch
;
3267 cli_reg
->channels
++;
3271 wpa_hexdump(MSG_DEBUG
, "P2P: Channels",
3272 reg
->channel
, reg
->channels
);
3275 wpa_hexdump(MSG_DEBUG
, "P2P: Channels (client only)",
3276 cli_reg
->channel
, cli_reg
->channels
);
3280 chan
->reg_classes
= cla
;
3281 cli_chan
->reg_classes
= cli_cla
;
3287 int wpas_p2p_get_ht40_mode(struct wpa_supplicant
*wpa_s
,
3288 struct hostapd_hw_modes
*mode
, u8 channel
)
3291 enum chan_allowed ret
;
3293 for (op
= 0; op_class
[op
].op_class
; op
++) {
3294 const struct p2p_oper_class_map
*o
= &op_class
[op
];
3297 for (ch
= o
->min_chan
; ch
<= o
->max_chan
; ch
+= o
->inc
) {
3298 if (o
->mode
!= HOSTAPD_MODE_IEEE80211A
||
3299 o
->bw
== BW20
|| ch
!= channel
)
3301 ret
= wpas_p2p_verify_channel(wpa_s
, mode
, ch
, o
->bw
);
3303 return (o
->bw
== BW40MINUS
) ? -1 : 1;
3310 int wpas_p2p_get_vht80_center(struct wpa_supplicant
*wpa_s
,
3311 struct hostapd_hw_modes
*mode
, u8 channel
)
3313 if (!wpas_p2p_verify_channel(wpa_s
, mode
, channel
, BW80
))
3316 return wpas_p2p_get_center_80mhz(wpa_s
, mode
, channel
);
3320 static int wpas_get_noa(void *ctx
, const u8
*interface_addr
, u8
*buf
,
3323 struct wpa_supplicant
*wpa_s
= ctx
;
3325 for (wpa_s
= wpa_s
->global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
3326 if (os_memcmp(wpa_s
->own_addr
, interface_addr
, ETH_ALEN
) == 0)
3332 return wpa_drv_get_noa(wpa_s
, buf
, buf_len
);
3336 struct wpa_supplicant
* wpas_get_p2p_go_iface(struct wpa_supplicant
*wpa_s
,
3337 const u8
*ssid
, size_t ssid_len
)
3339 for (wpa_s
= wpa_s
->global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
3340 struct wpa_ssid
*s
= wpa_s
->current_ssid
;
3343 if (s
->mode
!= WPAS_MODE_P2P_GO
&&
3344 s
->mode
!= WPAS_MODE_AP
&&
3345 s
->mode
!= WPAS_MODE_P2P_GROUP_FORMATION
)
3347 if (s
->ssid_len
!= ssid_len
||
3348 os_memcmp(ssid
, s
->ssid
, ssid_len
) != 0)
3358 struct wpa_supplicant
* wpas_get_p2p_client_iface(struct wpa_supplicant
*wpa_s
,
3359 const u8
*peer_dev_addr
)
3361 for (wpa_s
= wpa_s
->global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
3362 struct wpa_ssid
*ssid
= wpa_s
->current_ssid
;
3365 if (ssid
->mode
!= WPAS_MODE_INFRA
)
3367 if (wpa_s
->wpa_state
!= WPA_COMPLETED
&&
3368 wpa_s
->wpa_state
!= WPA_GROUP_HANDSHAKE
)
3370 if (os_memcmp(wpa_s
->go_dev_addr
, peer_dev_addr
, ETH_ALEN
) == 0)
3378 static int wpas_go_connected(void *ctx
, const u8
*dev_addr
)
3380 struct wpa_supplicant
*wpa_s
= ctx
;
3382 return wpas_get_p2p_client_iface(wpa_s
, dev_addr
) != NULL
;
3386 static int wpas_is_concurrent_session_active(void *ctx
)
3388 struct wpa_supplicant
*wpa_s
= ctx
;
3389 struct wpa_supplicant
*ifs
;
3391 for (ifs
= wpa_s
->global
->ifaces
; ifs
; ifs
= ifs
->next
) {
3394 if (ifs
->wpa_state
> WPA_ASSOCIATED
)
3401 static void wpas_p2p_debug_print(void *ctx
, int level
, const char *msg
)
3403 struct wpa_supplicant
*wpa_s
= ctx
;
3404 wpa_msg_global(wpa_s
, level
, "P2P: %s", msg
);
3408 int wpas_p2p_add_p2pdev_interface(struct wpa_supplicant
*wpa_s
,
3409 const char *conf_p2p_dev
)
3411 struct wpa_interface iface
;
3412 struct wpa_supplicant
*p2pdev_wpa_s
;
3414 char force_name
[100];
3417 ret
= os_snprintf(ifname
, sizeof(ifname
), P2P_MGMT_DEVICE_PREFIX
"%s",
3419 if (os_snprintf_error(sizeof(ifname
), ret
))
3421 force_name
[0] = '\0';
3422 wpa_s
->pending_interface_type
= WPA_IF_P2P_DEVICE
;
3423 ret
= wpa_drv_if_add(wpa_s
, WPA_IF_P2P_DEVICE
, ifname
, NULL
, NULL
,
3424 force_name
, wpa_s
->pending_interface_addr
, NULL
);
3426 wpa_printf(MSG_DEBUG
, "P2P: Failed to create P2P Device interface");
3429 os_strlcpy(wpa_s
->pending_interface_name
, ifname
,
3430 sizeof(wpa_s
->pending_interface_name
));
3432 os_memset(&iface
, 0, sizeof(iface
));
3434 iface
.ifname
= wpa_s
->pending_interface_name
;
3435 iface
.driver
= wpa_s
->driver
->name
;
3436 iface
.driver_param
= wpa_s
->conf
->driver_param
;
3439 * If a P2P Device configuration file was given, use it as the interface
3440 * configuration file (instead of using parent's configuration file.
3443 iface
.confname
= conf_p2p_dev
;
3444 iface
.ctrl_interface
= NULL
;
3446 iface
.confname
= wpa_s
->confname
;
3447 iface
.ctrl_interface
= wpa_s
->conf
->ctrl_interface
;
3449 iface
.conf_p2p_dev
= NULL
;
3451 p2pdev_wpa_s
= wpa_supplicant_add_iface(wpa_s
->global
, &iface
, wpa_s
);
3452 if (!p2pdev_wpa_s
) {
3453 wpa_printf(MSG_DEBUG
, "P2P: Failed to add P2P Device interface");
3456 wpa_s
->p2p_dev
= p2pdev_wpa_s
;
3458 wpa_s
->pending_interface_name
[0] = '\0';
3463 static void wpas_presence_resp(void *ctx
, const u8
*src
, u8 status
,
3464 const u8
*noa
, size_t noa_len
)
3466 struct wpa_supplicant
*wpa_s
, *intf
= ctx
;
3469 for (wpa_s
= intf
->global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
3470 if (wpa_s
->waiting_presence_resp
)
3474 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: No group interface was waiting for presence response");
3477 wpa_s
->waiting_presence_resp
= 0;
3479 wpa_snprintf_hex(hex
, sizeof(hex
), noa
, noa_len
);
3480 wpa_msg(wpa_s
, MSG_INFO
, P2P_EVENT_PRESENCE_RESPONSE
"src=" MACSTR
3481 " status=%u noa=%s", MAC2STR(src
), status
, hex
);
3485 static int wpas_get_persistent_group(void *ctx
, const u8
*addr
, const u8
*ssid
,
3486 size_t ssid_len
, u8
*go_dev_addr
,
3487 u8
*ret_ssid
, size_t *ret_ssid_len
)
3489 struct wpa_supplicant
*wpa_s
= ctx
;
3492 s
= wpas_p2p_get_persistent(wpa_s
, addr
, ssid
, ssid_len
);
3494 os_memcpy(ret_ssid
, s
->ssid
, s
->ssid_len
);
3495 *ret_ssid_len
= s
->ssid_len
;
3496 os_memcpy(go_dev_addr
, s
->bssid
, ETH_ALEN
);
3504 static int wpas_get_go_info(void *ctx
, u8
*intended_addr
,
3505 u8
*ssid
, size_t *ssid_len
, int *group_iface
)
3507 struct wpa_supplicant
*wpa_s
= ctx
;
3511 s
= wpas_p2p_group_go_ssid(wpa_s
, bssid
);
3513 s
= wpas_p2p_get_persistent_go(wpa_s
);
3515 os_memcpy(bssid
, s
->bssid
, ETH_ALEN
);
3518 *group_iface
= wpas_p2p_create_iface(wpa_s
);
3522 os_memcpy(intended_addr
, bssid
, ETH_ALEN
);
3523 os_memcpy(ssid
, s
->ssid
, s
->ssid_len
);
3524 *ssid_len
= s
->ssid_len
;
3530 static int wpas_remove_stale_groups(void *ctx
, const u8
*peer
, const u8
*go
,
3531 const u8
*ssid
, size_t ssid_len
)
3533 struct wpa_supplicant
*wpa_s
= ctx
;
3535 int save_config
= 0;
3538 /* Start with our first choice of Persistent Groups */
3539 while ((s
= wpas_p2p_get_persistent(wpa_s
, peer
, NULL
, 0))) {
3540 if (go
&& ssid
&& ssid_len
&&
3541 s
->ssid_len
== ssid_len
&&
3542 os_memcmp(go
, s
->bssid
, ETH_ALEN
) == 0 &&
3543 os_memcmp(ssid
, s
->ssid
, ssid_len
) == 0)
3546 /* Remove stale persistent group */
3547 if (s
->mode
!= WPAS_MODE_P2P_GO
|| s
->num_p2p_clients
<= 1) {
3548 wpa_config_remove_network(wpa_s
->conf
, s
->id
);
3553 for (i
= 0; i
< s
->num_p2p_clients
; i
++) {
3554 if (os_memcmp(s
->p2p_client_list
+ i
* 2 * ETH_ALEN
,
3555 peer
, ETH_ALEN
) != 0)
3558 os_memmove(s
->p2p_client_list
+ i
* 2 * ETH_ALEN
,
3559 s
->p2p_client_list
+ (i
+ 1) * 2 * ETH_ALEN
,
3560 (s
->num_p2p_clients
- i
- 1) * 2 * ETH_ALEN
);
3563 s
->num_p2p_clients
--;
3568 p2p_config_write(wpa_s
);
3570 /* Return TRUE if valid SSID remains */
3575 static void wpas_p2ps_prov_complete(void *ctx
, u8 status
, const u8
*dev
,
3576 const u8
*adv_mac
, const u8
*ses_mac
,
3577 const u8
*grp_mac
, u32 adv_id
, u32 ses_id
,
3578 u8 conncap
, int passwd_id
,
3579 const u8
*persist_ssid
,
3580 size_t persist_ssid_size
, int response_done
,
3581 int prov_start
, const char *session_info
)
3583 struct wpa_supplicant
*wpa_s
= ctx
;
3585 struct wpa_ssid
*persistent_go
, *stale
, *s
;
3586 int save_config
= 0;
3587 struct wpa_supplicant
*go_wpa_s
;
3592 os_memset(mac
, 0, ETH_ALEN
);
3601 if (session_info
== NULL
) {
3602 wpa_msg_global(wpa_s
, MSG_INFO
,
3603 P2P_EVENT_P2PS_PROVISION_START MACSTR
3604 " adv_id=%x conncap=%x"
3606 " session=%x mac=" MACSTR
3607 " dev_passwd_id=%d",
3608 MAC2STR(dev
), adv_id
, conncap
,
3610 ses_id
, MAC2STR(ses_mac
),
3613 wpa_msg_global(wpa_s
, MSG_INFO
,
3614 P2P_EVENT_P2PS_PROVISION_START MACSTR
3615 " adv_id=%x conncap=%x"
3617 " session=%x mac=" MACSTR
3618 " dev_passwd_id=%d info='%s'",
3619 MAC2STR(dev
), adv_id
, conncap
,
3621 ses_id
, MAC2STR(ses_mac
),
3622 passwd_id
, session_info
);
3627 go_wpa_s
= wpas_p2p_get_go_group(wpa_s
);
3628 persistent_go
= wpas_p2p_get_persistent_go(wpa_s
);
3630 if (status
&& status
!= P2P_SC_SUCCESS_DEFERRED
) {
3631 if (go_wpa_s
&& !p2p_group_go_member_count(wpa_s
))
3632 wpas_p2p_group_remove(wpa_s
, go_wpa_s
->ifname
);
3634 if (persistent_go
&& !persistent_go
->num_p2p_clients
) {
3635 /* remove empty persistent GO */
3636 wpa_config_remove_network(wpa_s
->conf
,
3640 wpa_msg_global(wpa_s
, MSG_INFO
,
3641 P2P_EVENT_P2PS_PROVISION_DONE MACSTR
3643 " adv_id=%x adv_mac=" MACSTR
3644 " session=%x mac=" MACSTR
,
3645 MAC2STR(dev
), status
,
3646 adv_id
, MAC2STR(adv_mac
),
3647 ses_id
, MAC2STR(ses_mac
));
3651 /* Clean up stale persistent groups with this device */
3652 s
= wpas_p2p_get_persistent(wpa_s
, dev
, persist_ssid
,
3655 stale
= wpas_p2p_get_persistent(wpa_s
, dev
, NULL
, 0);
3659 if (s
&& s
->ssid_len
== stale
->ssid_len
&&
3660 os_memcmp(stale
->bssid
, s
->bssid
, ETH_ALEN
) == 0 &&
3661 os_memcmp(stale
->ssid
, s
->ssid
, s
->ssid_len
) == 0)
3664 /* Remove stale persistent group */
3665 if (stale
->mode
!= WPAS_MODE_P2P_GO
||
3666 stale
->num_p2p_clients
<= 1) {
3667 wpa_config_remove_network(wpa_s
->conf
, stale
->id
);
3671 for (i
= 0; i
< stale
->num_p2p_clients
; i
++) {
3672 if (os_memcmp(stale
->p2p_client_list
+
3674 dev
, ETH_ALEN
) == 0) {
3675 os_memmove(stale
->p2p_client_list
+
3677 stale
->p2p_client_list
+
3679 (stale
->num_p2p_clients
-
3684 stale
->num_p2p_clients
--;
3690 p2p_config_write(wpa_s
);
3693 if (go_wpa_s
&& !p2p_group_go_member_count(wpa_s
))
3694 wpas_p2p_group_remove(wpa_s
, go_wpa_s
->ifname
);
3696 if (persistent_go
&& s
!= persistent_go
&&
3697 !persistent_go
->num_p2p_clients
) {
3698 /* remove empty persistent GO */
3699 wpa_config_remove_network(wpa_s
->conf
,
3704 wpa_msg_global(wpa_s
, MSG_INFO
,
3705 P2P_EVENT_P2PS_PROVISION_DONE MACSTR
3707 " adv_id=%x adv_mac=" MACSTR
3708 " session=%x mac=" MACSTR
3710 MAC2STR(dev
), status
,
3711 adv_id
, MAC2STR(adv_mac
),
3712 ses_id
, MAC2STR(ses_mac
), s
->id
);
3716 if (conncap
== P2PS_SETUP_GROUP_OWNER
) {
3717 const char *go_ifname
= NULL
;
3719 wpa_s
->global
->pending_p2ps_group
= 1;
3721 if (wpa_s
->conf
->p2p_no_group_iface
)
3722 go_ifname
= wpa_s
->ifname
;
3723 else if (wpa_s
->pending_interface_name
[0])
3724 go_ifname
= wpa_s
->pending_interface_name
;
3727 wpas_p2ps_prov_complete(
3728 wpa_s
, P2P_SC_FAIL_UNKNOWN_GROUP
,
3729 dev
, adv_mac
, ses_mac
,
3730 NULL
, adv_id
, ses_id
, 0, 0,
3731 NULL
, 0, 0, 0, NULL
);
3735 /* If PD Resp complete, start up the GO */
3736 if (response_done
&& persistent_go
) {
3737 wpas_p2p_group_add_persistent(
3738 wpa_s
, persistent_go
,
3739 0, 0, 0, 0, 0, NULL
,
3740 persistent_go
->mode
==
3742 P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE
:
3744 } else if (response_done
) {
3745 wpas_p2p_group_add(wpa_s
, 1, 0, 0, 0);
3748 if (passwd_id
== DEV_PW_P2PS_DEFAULT
) {
3749 os_memcpy(wpa_s
->p2ps_join_addr
, dev
, ETH_ALEN
);
3750 wpa_s
->p2ps_join_addr_valid
= 1;
3751 wpa_dbg(wpa_s
, MSG_DEBUG
,
3752 "P2PS: Saving PIN for " MACSTR
,
3755 } else if (passwd_id
== DEV_PW_P2PS_DEFAULT
) {
3756 go_ifname
= go_wpa_s
->ifname
;
3758 wpa_dbg(go_wpa_s
, MSG_DEBUG
,
3759 "P2P: Setting PIN-1 For " MACSTR
, MAC2STR(dev
));
3760 wpa_supplicant_ap_wps_pin(go_wpa_s
, dev
, "12345670",
3763 os_memcpy(wpa_s
->p2ps_join_addr
, dev
, ETH_ALEN
);
3764 wpa_s
->p2ps_join_addr_valid
= 1;
3765 wpa_dbg(wpa_s
, MSG_DEBUG
,
3766 "P2PS: Saving PIN for " MACSTR
, MAC2STR(dev
));
3769 wpa_msg_global(wpa_s
, MSG_INFO
,
3770 P2P_EVENT_P2PS_PROVISION_DONE MACSTR
3771 " status=%d conncap=%x"
3772 " adv_id=%x adv_mac=" MACSTR
3773 " session=%x mac=" MACSTR
3774 " dev_passwd_id=%d go=%s",
3775 MAC2STR(dev
), status
, conncap
,
3776 adv_id
, MAC2STR(adv_mac
),
3777 ses_id
, MAC2STR(ses_mac
),
3778 passwd_id
, go_ifname
);
3782 if (go_wpa_s
&& !p2p_group_go_member_count(wpa_s
))
3783 wpas_p2p_group_remove(wpa_s
, go_wpa_s
->ifname
);
3785 if (persistent_go
&& !persistent_go
->num_p2p_clients
) {
3786 /* remove empty persistent GO */
3787 wpa_config_remove_network(wpa_s
->conf
, persistent_go
->id
);
3790 if (conncap
== P2PS_SETUP_CLIENT
) {
3791 wpa_msg_global(wpa_s
, MSG_INFO
,
3792 P2P_EVENT_P2PS_PROVISION_DONE MACSTR
3793 " status=%d conncap=%x"
3794 " adv_id=%x adv_mac=" MACSTR
3795 " session=%x mac=" MACSTR
3796 " dev_passwd_id=%d join=" MACSTR
,
3797 MAC2STR(dev
), status
, conncap
,
3798 adv_id
, MAC2STR(adv_mac
),
3799 ses_id
, MAC2STR(ses_mac
),
3800 passwd_id
, MAC2STR(grp_mac
));
3802 wpa_msg_global(wpa_s
, MSG_INFO
,
3803 P2P_EVENT_P2PS_PROVISION_DONE MACSTR
3804 " status=%d conncap=%x"
3805 " adv_id=%x adv_mac=" MACSTR
3806 " session=%x mac=" MACSTR
3807 " dev_passwd_id=%d",
3808 MAC2STR(dev
), status
, conncap
,
3809 adv_id
, MAC2STR(adv_mac
),
3810 ses_id
, MAC2STR(ses_mac
),
3816 static int _wpas_p2p_in_progress(void *ctx
)
3818 struct wpa_supplicant
*wpa_s
= ctx
;
3819 return wpas_p2p_in_progress(wpa_s
);
3823 static int wpas_prov_disc_resp_cb(void *ctx
)
3825 struct wpa_supplicant
*wpa_s
= ctx
;
3826 struct wpa_ssid
*persistent_go
;
3828 if (!wpa_s
->global
->pending_p2ps_group
)
3831 wpa_s
->global
->pending_p2ps_group
= 0;
3833 if (wpas_p2p_get_go_group(wpa_s
))
3835 persistent_go
= wpas_p2p_get_persistent_go(wpa_s
);
3837 if (persistent_go
) {
3838 wpas_p2p_group_add_persistent(
3839 wpa_s
, persistent_go
, 0, 0, 0, 0, 0, NULL
,
3840 persistent_go
->mode
== WPAS_MODE_P2P_GO
?
3841 P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE
: 0);
3843 wpas_p2p_group_add(wpa_s
, 1, 0, 0, 0);
3851 * wpas_p2p_init - Initialize P2P module for %wpa_supplicant
3852 * @global: Pointer to global data from wpa_supplicant_init()
3853 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
3854 * Returns: 0 on success, -1 on failure
3856 int wpas_p2p_init(struct wpa_global
*global
, struct wpa_supplicant
*wpa_s
)
3858 struct p2p_config p2p
;
3861 if (wpa_s
->conf
->p2p_disabled
)
3864 if (!(wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_P2P_CAPABLE
))
3870 os_memset(&p2p
, 0, sizeof(p2p
));
3872 p2p
.debug_print
= wpas_p2p_debug_print
;
3873 p2p
.p2p_scan
= wpas_p2p_scan
;
3874 p2p
.send_action
= wpas_send_action
;
3875 p2p
.send_action_done
= wpas_send_action_done
;
3876 p2p
.go_neg_completed
= wpas_go_neg_completed
;
3877 p2p
.go_neg_req_rx
= wpas_go_neg_req_rx
;
3878 p2p
.dev_found
= wpas_dev_found
;
3879 p2p
.dev_lost
= wpas_dev_lost
;
3880 p2p
.find_stopped
= wpas_find_stopped
;
3881 p2p
.start_listen
= wpas_start_listen
;
3882 p2p
.stop_listen
= wpas_stop_listen
;
3883 p2p
.send_probe_resp
= wpas_send_probe_resp
;
3884 p2p
.sd_request
= wpas_sd_request
;
3885 p2p
.sd_response
= wpas_sd_response
;
3886 p2p
.prov_disc_req
= wpas_prov_disc_req
;
3887 p2p
.prov_disc_resp
= wpas_prov_disc_resp
;
3888 p2p
.prov_disc_fail
= wpas_prov_disc_fail
;
3889 p2p
.invitation_process
= wpas_invitation_process
;
3890 p2p
.invitation_received
= wpas_invitation_received
;
3891 p2p
.invitation_result
= wpas_invitation_result
;
3892 p2p
.get_noa
= wpas_get_noa
;
3893 p2p
.go_connected
= wpas_go_connected
;
3894 p2p
.presence_resp
= wpas_presence_resp
;
3895 p2p
.is_concurrent_session_active
= wpas_is_concurrent_session_active
;
3896 p2p
.is_p2p_in_progress
= _wpas_p2p_in_progress
;
3897 p2p
.get_persistent_group
= wpas_get_persistent_group
;
3898 p2p
.get_go_info
= wpas_get_go_info
;
3899 p2p
.remove_stale_groups
= wpas_remove_stale_groups
;
3900 p2p
.p2ps_prov_complete
= wpas_p2ps_prov_complete
;
3901 p2p
.prov_disc_resp_cb
= wpas_prov_disc_resp_cb
;
3902 p2p
.p2ps_group_capability
= p2ps_group_capability
;
3904 os_memcpy(wpa_s
->global
->p2p_dev_addr
, wpa_s
->own_addr
, ETH_ALEN
);
3905 os_memcpy(p2p
.dev_addr
, wpa_s
->global
->p2p_dev_addr
, ETH_ALEN
);
3906 p2p
.dev_name
= wpa_s
->conf
->device_name
;
3907 p2p
.manufacturer
= wpa_s
->conf
->manufacturer
;
3908 p2p
.model_name
= wpa_s
->conf
->model_name
;
3909 p2p
.model_number
= wpa_s
->conf
->model_number
;
3910 p2p
.serial_number
= wpa_s
->conf
->serial_number
;
3912 os_memcpy(p2p
.uuid
, wpa_s
->wps
->uuid
, 16);
3913 p2p
.config_methods
= wpa_s
->wps
->config_methods
;
3916 if (wpas_p2p_setup_channels(wpa_s
, &p2p
.channels
, &p2p
.cli_channels
)) {
3917 wpa_printf(MSG_ERROR
,
3918 "P2P: Failed to configure supported channel list");
3922 if (wpa_s
->conf
->p2p_listen_reg_class
&&
3923 wpa_s
->conf
->p2p_listen_channel
) {
3924 p2p
.reg_class
= wpa_s
->conf
->p2p_listen_reg_class
;
3925 p2p
.channel
= wpa_s
->conf
->p2p_listen_channel
;
3926 p2p
.channel_forced
= 1;
3929 * Pick one of the social channels randomly as the listen
3932 if (p2p_config_get_random_social(&p2p
, &p2p
.reg_class
,
3933 &p2p
.channel
) != 0) {
3934 wpa_printf(MSG_INFO
,
3935 "P2P: No social channels supported by the driver - do not enable P2P");
3938 p2p
.channel_forced
= 0;
3940 wpa_printf(MSG_DEBUG
, "P2P: Own listen channel: %d:%d",
3941 p2p
.reg_class
, p2p
.channel
);
3943 if (wpa_s
->conf
->p2p_oper_reg_class
&&
3944 wpa_s
->conf
->p2p_oper_channel
) {
3945 p2p
.op_reg_class
= wpa_s
->conf
->p2p_oper_reg_class
;
3946 p2p
.op_channel
= wpa_s
->conf
->p2p_oper_channel
;
3947 p2p
.cfg_op_channel
= 1;
3948 wpa_printf(MSG_DEBUG
, "P2P: Configured operating channel: "
3949 "%d:%d", p2p
.op_reg_class
, p2p
.op_channel
);
3953 * Use random operation channel from 2.4 GHz band social
3954 * channels (1, 6, 11) or band 60 GHz social channel (2) if no
3955 * other preference is indicated.
3957 if (p2p_config_get_random_social(&p2p
, &p2p
.op_reg_class
,
3958 &p2p
.op_channel
) != 0) {
3959 wpa_printf(MSG_ERROR
,
3960 "P2P: Failed to select random social channel as operation channel");
3963 p2p
.cfg_op_channel
= 0;
3964 wpa_printf(MSG_DEBUG
, "P2P: Random operating channel: "
3965 "%d:%d", p2p
.op_reg_class
, p2p
.op_channel
);
3968 if (wpa_s
->conf
->p2p_pref_chan
&& wpa_s
->conf
->num_p2p_pref_chan
) {
3969 p2p
.pref_chan
= wpa_s
->conf
->p2p_pref_chan
;
3970 p2p
.num_pref_chan
= wpa_s
->conf
->num_p2p_pref_chan
;
3973 if (wpa_s
->conf
->country
[0] && wpa_s
->conf
->country
[1]) {
3974 os_memcpy(p2p
.country
, wpa_s
->conf
->country
, 2);
3975 p2p
.country
[2] = 0x04;
3977 os_memcpy(p2p
.country
, "XX\x04", 3);
3979 os_memcpy(p2p
.pri_dev_type
, wpa_s
->conf
->device_type
,
3982 p2p
.num_sec_dev_types
= wpa_s
->conf
->num_sec_device_types
;
3983 os_memcpy(p2p
.sec_dev_type
, wpa_s
->conf
->sec_device_type
,
3984 p2p
.num_sec_dev_types
* WPS_DEV_TYPE_LEN
);
3986 p2p
.concurrent_operations
= !!(wpa_s
->drv_flags
&
3987 WPA_DRIVER_FLAGS_P2P_CONCURRENT
);
3989 p2p
.max_peers
= 100;
3991 if (wpa_s
->conf
->p2p_ssid_postfix
) {
3992 p2p
.ssid_postfix_len
=
3993 os_strlen(wpa_s
->conf
->p2p_ssid_postfix
);
3994 if (p2p
.ssid_postfix_len
> sizeof(p2p
.ssid_postfix
))
3995 p2p
.ssid_postfix_len
= sizeof(p2p
.ssid_postfix
);
3996 os_memcpy(p2p
.ssid_postfix
, wpa_s
->conf
->p2p_ssid_postfix
,
3997 p2p
.ssid_postfix_len
);
4000 p2p
.p2p_intra_bss
= wpa_s
->conf
->p2p_intra_bss
;
4002 p2p
.max_listen
= wpa_s
->max_remain_on_chan
;
4004 if (wpa_s
->conf
->p2p_passphrase_len
>= 8 &&
4005 wpa_s
->conf
->p2p_passphrase_len
<= 63)
4006 p2p
.passphrase_len
= wpa_s
->conf
->p2p_passphrase_len
;
4008 p2p
.passphrase_len
= 8;
4010 global
->p2p
= p2p_init(&p2p
);
4011 if (global
->p2p
== NULL
)
4013 global
->p2p_init_wpa_s
= wpa_s
;
4015 for (i
= 0; i
< MAX_WPS_VENDOR_EXT
; i
++) {
4016 if (wpa_s
->conf
->wps_vendor_ext
[i
] == NULL
)
4018 p2p_add_wps_vendor_extension(
4019 global
->p2p
, wpa_s
->conf
->wps_vendor_ext
[i
]);
4022 p2p_set_no_go_freq(global
->p2p
, &wpa_s
->conf
->p2p_no_go_freq
);
4029 * wpas_p2p_deinit - Deinitialize per-interface P2P data
4030 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
4032 * This function deinitialize per-interface P2P data.
4034 void wpas_p2p_deinit(struct wpa_supplicant
*wpa_s
)
4036 if (wpa_s
->driver
&& wpa_s
->drv_priv
)
4037 wpa_drv_probe_req_report(wpa_s
, 0);
4039 if (wpa_s
->go_params
) {
4040 /* Clear any stored provisioning info */
4041 p2p_clear_provisioning_info(
4043 wpa_s
->go_params
->peer_device_addr
);
4046 os_free(wpa_s
->go_params
);
4047 wpa_s
->go_params
= NULL
;
4048 eloop_cancel_timeout(wpas_p2p_psk_failure_removal
, wpa_s
, NULL
);
4049 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
, wpa_s
, NULL
);
4050 eloop_cancel_timeout(wpas_p2p_join_scan
, wpa_s
, NULL
);
4051 wpa_s
->p2p_long_listen
= 0;
4052 eloop_cancel_timeout(wpas_p2p_long_listen_timeout
, wpa_s
, NULL
);
4053 eloop_cancel_timeout(wpas_p2p_group_idle_timeout
, wpa_s
, NULL
);
4054 wpas_p2p_remove_pending_group_interface(wpa_s
);
4055 eloop_cancel_timeout(wpas_p2p_group_freq_conflict
, wpa_s
, NULL
);
4056 wpas_p2p_listen_work_done(wpa_s
);
4057 if (wpa_s
->p2p_send_action_work
) {
4058 os_free(wpa_s
->p2p_send_action_work
->ctx
);
4059 radio_work_done(wpa_s
->p2p_send_action_work
);
4060 wpa_s
->p2p_send_action_work
= NULL
;
4062 eloop_cancel_timeout(wpas_p2p_send_action_work_timeout
, wpa_s
, NULL
);
4064 wpabuf_free(wpa_s
->p2p_oob_dev_pw
);
4065 wpa_s
->p2p_oob_dev_pw
= NULL
;
4067 os_free(wpa_s
->p2p_group_common_freqs
);
4068 wpa_s
->p2p_group_common_freqs
= NULL
;
4069 wpa_s
->p2p_group_common_freqs_num
= 0;
4071 /* TODO: remove group interface from the driver if this wpa_s instance
4072 * is on top of a P2P group interface */
4077 * wpas_p2p_deinit_global - Deinitialize global P2P module
4078 * @global: Pointer to global data from wpa_supplicant_init()
4080 * This function deinitializes the global (per device) P2P module.
4082 static void wpas_p2p_deinit_global(struct wpa_global
*global
)
4084 struct wpa_supplicant
*wpa_s
, *tmp
;
4086 wpa_s
= global
->ifaces
;
4088 wpas_p2p_service_flush(global
->p2p_init_wpa_s
);
4090 /* Remove remaining P2P group interfaces */
4091 while (wpa_s
&& wpa_s
->p2p_group_interface
!= NOT_P2P_GROUP_INTERFACE
)
4092 wpa_s
= wpa_s
->next
;
4094 tmp
= global
->ifaces
;
4097 tmp
->p2p_group_interface
== NOT_P2P_GROUP_INTERFACE
)) {
4102 /* Disconnect from the P2P group and deinit the interface */
4103 wpas_p2p_disconnect(tmp
);
4107 * Deinit GO data on any possibly remaining interface (if main
4108 * interface is used as GO).
4110 for (wpa_s
= global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
4111 if (wpa_s
->ap_iface
)
4112 wpas_p2p_group_deinit(wpa_s
);
4115 p2p_deinit(global
->p2p
);
4117 global
->p2p_init_wpa_s
= NULL
;
4121 static int wpas_p2p_create_iface(struct wpa_supplicant
*wpa_s
)
4123 if (!(wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE
) &&
4124 wpa_s
->conf
->p2p_no_group_iface
)
4125 return 0; /* separate interface disabled per configuration */
4126 if (wpa_s
->drv_flags
&
4127 (WPA_DRIVER_FLAGS_P2P_DEDICATED_INTERFACE
|
4128 WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P
))
4129 return 1; /* P2P group requires a new interface in every case
4131 if (!(wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_P2P_CONCURRENT
))
4132 return 0; /* driver does not support concurrent operations */
4133 if (wpa_s
->global
->ifaces
->next
)
4134 return 1; /* more that one interface already in use */
4135 if (wpa_s
->wpa_state
>= WPA_AUTHENTICATING
)
4136 return 1; /* this interface is already in use */
4141 static int wpas_p2p_start_go_neg(struct wpa_supplicant
*wpa_s
,
4142 const u8
*peer_addr
,
4143 enum p2p_wps_method wps_method
,
4144 int go_intent
, const u8
*own_interface_addr
,
4145 unsigned int force_freq
, int persistent_group
,
4146 struct wpa_ssid
*ssid
, unsigned int pref_freq
)
4148 if (persistent_group
&& wpa_s
->conf
->persistent_reconnect
)
4149 persistent_group
= 2;
4152 * Increase GO config timeout if HT40 is used since it takes some time
4153 * to scan channels for coex purposes before the BSS can be started.
4155 p2p_set_config_timeout(wpa_s
->global
->p2p
,
4156 wpa_s
->p2p_go_ht40
? 255 : 100, 20);
4158 return p2p_connect(wpa_s
->global
->p2p
, peer_addr
, wps_method
,
4159 go_intent
, own_interface_addr
, force_freq
,
4160 persistent_group
, ssid
? ssid
->ssid
: NULL
,
4161 ssid
? ssid
->ssid_len
: 0,
4162 wpa_s
->p2p_pd_before_go_neg
, pref_freq
,
4163 wps_method
== WPS_NFC
? wpa_s
->p2p_oob_dev_pw_id
:
4168 static int wpas_p2p_auth_go_neg(struct wpa_supplicant
*wpa_s
,
4169 const u8
*peer_addr
,
4170 enum p2p_wps_method wps_method
,
4171 int go_intent
, const u8
*own_interface_addr
,
4172 unsigned int force_freq
, int persistent_group
,
4173 struct wpa_ssid
*ssid
, unsigned int pref_freq
)
4175 if (persistent_group
&& wpa_s
->conf
->persistent_reconnect
)
4176 persistent_group
= 2;
4178 return p2p_authorize(wpa_s
->global
->p2p
, peer_addr
, wps_method
,
4179 go_intent
, own_interface_addr
, force_freq
,
4180 persistent_group
, ssid
? ssid
->ssid
: NULL
,
4181 ssid
? ssid
->ssid_len
: 0, pref_freq
,
4182 wps_method
== WPS_NFC
? wpa_s
->p2p_oob_dev_pw_id
:
4187 static void wpas_p2p_check_join_scan_limit(struct wpa_supplicant
*wpa_s
)
4189 wpa_s
->p2p_join_scan_count
++;
4190 wpa_printf(MSG_DEBUG
, "P2P: Join scan attempt %d",
4191 wpa_s
->p2p_join_scan_count
);
4192 if (wpa_s
->p2p_join_scan_count
> P2P_MAX_JOIN_SCAN_ATTEMPTS
) {
4193 wpa_printf(MSG_DEBUG
, "P2P: Failed to find GO " MACSTR
4194 " for join operationg - stop join attempt",
4195 MAC2STR(wpa_s
->pending_join_iface_addr
));
4196 eloop_cancel_timeout(wpas_p2p_join_scan
, wpa_s
, NULL
);
4197 if (wpa_s
->p2p_auto_pd
) {
4198 wpa_s
->p2p_auto_pd
= 0;
4199 wpa_msg_global(wpa_s
, MSG_INFO
,
4200 P2P_EVENT_PROV_DISC_FAILURE
4201 " p2p_dev_addr=" MACSTR
" status=N/A",
4202 MAC2STR(wpa_s
->pending_join_dev_addr
));
4205 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
4206 P2P_EVENT_GROUP_FORMATION_FAILURE
);
4211 static int wpas_check_freq_conflict(struct wpa_supplicant
*wpa_s
, int freq
)
4214 unsigned int num
, i
;
4215 struct wpa_used_freq_data
*freqs
;
4217 if (wpas_p2p_num_unused_channels(wpa_s
) > 0) {
4218 /* Multiple channels are supported and not all are in use */
4222 freqs
= os_calloc(wpa_s
->num_multichan_concurrent
,
4223 sizeof(struct wpa_used_freq_data
));
4227 num
= wpas_p2p_valid_oper_freqs(wpa_s
, freqs
,
4228 wpa_s
->num_multichan_concurrent
);
4230 for (i
= 0; i
< num
; i
++) {
4231 if (freqs
[i
].freq
== freq
) {
4232 wpa_printf(MSG_DEBUG
, "P2P: Frequency %d MHz in use by another virtual interface and can be used",
4239 wpa_printf(MSG_DEBUG
, "P2P: No valid operating frequencies");
4248 static int wpas_p2p_peer_go(struct wpa_supplicant
*wpa_s
,
4249 const u8
*peer_dev_addr
)
4251 struct wpa_bss
*bss
;
4254 bss
= wpa_bss_get_p2p_dev_addr(wpa_s
, peer_dev_addr
);
4257 if (bss
->last_update_idx
< wpa_s
->bss_update_idx
) {
4258 wpa_printf(MSG_DEBUG
, "P2P: Peer BSS entry not updated in the "
4263 updated
= os_reltime_before(&wpa_s
->p2p_auto_started
,
4265 wpa_printf(MSG_DEBUG
, "P2P: Current BSS entry for peer updated at "
4266 "%ld.%06ld (%supdated in last scan)",
4267 bss
->last_update
.sec
, bss
->last_update
.usec
,
4268 updated
? "": "not ");
4274 static void wpas_p2p_scan_res_join(struct wpa_supplicant
*wpa_s
,
4275 struct wpa_scan_results
*scan_res
)
4277 struct wpa_bss
*bss
= NULL
;
4279 u8 iface_addr
[ETH_ALEN
];
4281 eloop_cancel_timeout(wpas_p2p_join_scan
, wpa_s
, NULL
);
4283 if (wpa_s
->global
->p2p_disabled
)
4286 wpa_printf(MSG_DEBUG
, "P2P: Scan results received (%d BSS) for %sjoin",
4287 scan_res
? (int) scan_res
->num
: -1,
4288 wpa_s
->p2p_auto_join
? "auto_" : "");
4291 wpas_p2p_scan_res_handler(wpa_s
, scan_res
);
4293 if (wpa_s
->p2p_auto_pd
) {
4294 int join
= wpas_p2p_peer_go(wpa_s
,
4295 wpa_s
->pending_join_dev_addr
);
4297 wpa_s
->auto_pd_scan_retry
< P2P_AUTO_PD_SCAN_ATTEMPTS
) {
4298 wpa_s
->auto_pd_scan_retry
++;
4299 bss
= wpa_bss_get_bssid_latest(
4300 wpa_s
, wpa_s
->pending_join_dev_addr
);
4303 wpa_printf(MSG_DEBUG
, "P2P: Scan retry %d for "
4304 "the peer " MACSTR
" at %d MHz",
4305 wpa_s
->auto_pd_scan_retry
,
4307 pending_join_dev_addr
),
4309 wpas_p2p_join_scan_req(wpa_s
, freq
, NULL
, 0);
4317 wpa_s
->p2p_auto_pd
= 0;
4318 wpa_s
->pending_pd_use
= join
? AUTO_PD_JOIN
: AUTO_PD_GO_NEG
;
4319 wpa_printf(MSG_DEBUG
, "P2P: Auto PD with " MACSTR
" join=%d",
4320 MAC2STR(wpa_s
->pending_join_dev_addr
), join
);
4321 if (p2p_prov_disc_req(wpa_s
->global
->p2p
,
4322 wpa_s
->pending_join_dev_addr
, NULL
,
4323 wpa_s
->pending_pd_config_methods
, join
,
4324 0, wpa_s
->user_initiated_pd
) < 0) {
4325 wpa_s
->p2p_auto_pd
= 0;
4326 wpa_msg_global(wpa_s
, MSG_INFO
,
4327 P2P_EVENT_PROV_DISC_FAILURE
4328 " p2p_dev_addr=" MACSTR
" status=N/A",
4329 MAC2STR(wpa_s
->pending_join_dev_addr
));
4334 if (wpa_s
->p2p_auto_join
) {
4335 int join
= wpas_p2p_peer_go(wpa_s
,
4336 wpa_s
->pending_join_dev_addr
);
4338 wpa_printf(MSG_DEBUG
, "P2P: Peer was not found to be "
4339 "running a GO -> use GO Negotiation");
4340 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
4341 P2P_EVENT_FALLBACK_TO_GO_NEG
4342 "reason=peer-not-running-GO");
4343 wpas_p2p_connect(wpa_s
, wpa_s
->pending_join_dev_addr
,
4344 wpa_s
->p2p_pin
, wpa_s
->p2p_wps_method
,
4345 wpa_s
->p2p_persistent_group
, 0, 0, 0,
4346 wpa_s
->p2p_go_intent
,
4347 wpa_s
->p2p_connect_freq
,
4348 wpa_s
->p2p_persistent_id
,
4349 wpa_s
->p2p_pd_before_go_neg
,
4355 wpa_printf(MSG_DEBUG
, "P2P: Peer was found running GO%s -> "
4356 "try to join the group", join
? "" :
4359 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
4360 P2P_EVENT_FALLBACK_TO_GO_NEG_ENABLED
);
4361 wpa_s
->p2p_fallback_to_go_neg
= 1;
4365 freq
= p2p_get_oper_freq(wpa_s
->global
->p2p
,
4366 wpa_s
->pending_join_iface_addr
);
4368 p2p_get_interface_addr(wpa_s
->global
->p2p
,
4369 wpa_s
->pending_join_dev_addr
,
4371 os_memcmp(iface_addr
, wpa_s
->pending_join_dev_addr
, ETH_ALEN
) != 0
4372 && !wpa_bss_get_bssid(wpa_s
, wpa_s
->pending_join_iface_addr
)) {
4373 wpa_printf(MSG_DEBUG
, "P2P: Overwrite pending interface "
4374 "address for join from " MACSTR
" to " MACSTR
4375 " based on newly discovered P2P peer entry",
4376 MAC2STR(wpa_s
->pending_join_iface_addr
),
4377 MAC2STR(iface_addr
));
4378 os_memcpy(wpa_s
->pending_join_iface_addr
, iface_addr
,
4381 freq
= p2p_get_oper_freq(wpa_s
->global
->p2p
,
4382 wpa_s
->pending_join_iface_addr
);
4385 wpa_printf(MSG_DEBUG
, "P2P: Target GO operating frequency "
4386 "from P2P peer table: %d MHz", freq
);
4388 if (wpa_s
->p2p_join_ssid_len
) {
4389 wpa_printf(MSG_DEBUG
, "P2P: Trying to find target GO BSS entry based on BSSID "
4390 MACSTR
" and SSID %s",
4391 MAC2STR(wpa_s
->pending_join_iface_addr
),
4392 wpa_ssid_txt(wpa_s
->p2p_join_ssid
,
4393 wpa_s
->p2p_join_ssid_len
));
4394 bss
= wpa_bss_get(wpa_s
, wpa_s
->pending_join_iface_addr
,
4395 wpa_s
->p2p_join_ssid
,
4396 wpa_s
->p2p_join_ssid_len
);
4399 wpa_printf(MSG_DEBUG
, "P2P: Trying to find target GO BSS entry based on BSSID "
4400 MACSTR
, MAC2STR(wpa_s
->pending_join_iface_addr
));
4401 bss
= wpa_bss_get_bssid_latest(wpa_s
,
4402 wpa_s
->pending_join_iface_addr
);
4406 wpa_printf(MSG_DEBUG
, "P2P: Target GO operating frequency "
4407 "from BSS table: %d MHz (SSID %s)", freq
,
4408 wpa_ssid_txt(bss
->ssid
, bss
->ssid_len
));
4413 if (wpas_check_freq_conflict(wpa_s
, freq
) > 0) {
4414 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
4415 P2P_EVENT_GROUP_FORMATION_FAILURE
4416 "reason=FREQ_CONFLICT");
4420 wpa_printf(MSG_DEBUG
, "P2P: Send Provision Discovery Request "
4421 "prior to joining an existing group (GO " MACSTR
4423 MAC2STR(wpa_s
->pending_join_dev_addr
), freq
);
4424 wpa_s
->pending_pd_before_join
= 1;
4426 switch (wpa_s
->pending_join_wps_method
) {
4427 case WPS_PIN_DISPLAY
:
4428 method
= WPS_CONFIG_KEYPAD
;
4430 case WPS_PIN_KEYPAD
:
4431 method
= WPS_CONFIG_DISPLAY
;
4434 method
= WPS_CONFIG_PUSHBUTTON
;
4441 if ((p2p_get_provisioning_info(wpa_s
->global
->p2p
,
4442 wpa_s
->pending_join_dev_addr
) ==
4445 * We have already performed provision discovery for
4446 * joining the group. Proceed directly to join
4447 * operation without duplicated provision discovery. */
4448 wpa_printf(MSG_DEBUG
, "P2P: Provision discovery "
4449 "with " MACSTR
" already done - proceed to "
4451 MAC2STR(wpa_s
->pending_join_dev_addr
));
4452 wpa_s
->pending_pd_before_join
= 0;
4456 if (p2p_prov_disc_req(wpa_s
->global
->p2p
,
4457 wpa_s
->pending_join_dev_addr
,
4459 freq
, wpa_s
->user_initiated_pd
) < 0) {
4460 wpa_printf(MSG_DEBUG
, "P2P: Failed to send Provision "
4461 "Discovery Request before joining an "
4463 wpa_s
->pending_pd_before_join
= 0;
4469 wpa_printf(MSG_DEBUG
, "P2P: Failed to find BSS/GO - try again later");
4470 eloop_cancel_timeout(wpas_p2p_join_scan
, wpa_s
, NULL
);
4471 eloop_register_timeout(1, 0, wpas_p2p_join_scan
, wpa_s
, NULL
);
4472 wpas_p2p_check_join_scan_limit(wpa_s
);
4476 /* Start join operation immediately */
4477 wpas_p2p_join_start(wpa_s
, 0, NULL
, 0);
4481 static void wpas_p2p_join_scan_req(struct wpa_supplicant
*wpa_s
, int freq
,
4482 const u8
*ssid
, size_t ssid_len
)
4485 struct wpa_driver_scan_params params
;
4486 struct wpabuf
*wps_ie
, *ies
;
4488 int freqs
[2] = { 0, 0 };
4490 os_memset(¶ms
, 0, sizeof(params
));
4492 /* P2P Wildcard SSID */
4493 params
.num_ssids
= 1;
4494 if (ssid
&& ssid_len
) {
4495 params
.ssids
[0].ssid
= ssid
;
4496 params
.ssids
[0].ssid_len
= ssid_len
;
4497 os_memcpy(wpa_s
->p2p_join_ssid
, ssid
, ssid_len
);
4498 wpa_s
->p2p_join_ssid_len
= ssid_len
;
4500 params
.ssids
[0].ssid
= (u8
*) P2P_WILDCARD_SSID
;
4501 params
.ssids
[0].ssid_len
= P2P_WILDCARD_SSID_LEN
;
4502 wpa_s
->p2p_join_ssid_len
= 0;
4505 wpa_s
->wps
->dev
.p2p
= 1;
4506 wps_ie
= wps_build_probe_req_ie(DEV_PW_DEFAULT
, &wpa_s
->wps
->dev
,
4507 wpa_s
->wps
->uuid
, WPS_REQ_ENROLLEE
, 0,
4509 if (wps_ie
== NULL
) {
4510 wpas_p2p_scan_res_join(wpa_s
, NULL
);
4514 ielen
= p2p_scan_ie_buf_len(wpa_s
->global
->p2p
);
4515 ies
= wpabuf_alloc(wpabuf_len(wps_ie
) + ielen
);
4517 wpabuf_free(wps_ie
);
4518 wpas_p2p_scan_res_join(wpa_s
, NULL
);
4521 wpabuf_put_buf(ies
, wps_ie
);
4522 wpabuf_free(wps_ie
);
4524 p2p_scan_ie(wpa_s
->global
->p2p
, ies
, NULL
);
4526 params
.p2p_probe
= 1;
4527 params
.extra_ies
= wpabuf_head(ies
);
4528 params
.extra_ies_len
= wpabuf_len(ies
);
4533 * If freq is not provided, check the operating freq of the GO
4534 * and use a single channel scan on if possible.
4536 oper_freq
= p2p_get_oper_freq(wpa_s
->global
->p2p
,
4537 wpa_s
->pending_join_iface_addr
);
4543 params
.freqs
= freqs
;
4547 * Run a scan to update BSS table and start Provision Discovery once
4548 * the new scan results become available.
4550 ret
= wpa_drv_scan(wpa_s
, ¶ms
);
4552 os_get_reltime(&wpa_s
->scan_trigger_time
);
4553 wpa_s
->scan_res_handler
= wpas_p2p_scan_res_join
;
4554 wpa_s
->own_scan_requested
= 1;
4560 wpa_printf(MSG_DEBUG
, "P2P: Failed to start scan for join - "
4562 eloop_cancel_timeout(wpas_p2p_join_scan
, wpa_s
, NULL
);
4563 eloop_register_timeout(1, 0, wpas_p2p_join_scan
, wpa_s
, NULL
);
4564 wpas_p2p_check_join_scan_limit(wpa_s
);
4569 static void wpas_p2p_join_scan(void *eloop_ctx
, void *timeout_ctx
)
4571 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
4572 wpas_p2p_join_scan_req(wpa_s
, 0, NULL
, 0);
4576 static int wpas_p2p_join(struct wpa_supplicant
*wpa_s
, const u8
*iface_addr
,
4577 const u8
*dev_addr
, enum p2p_wps_method wps_method
,
4578 int auto_join
, int op_freq
,
4579 const u8
*ssid
, size_t ssid_len
)
4581 wpa_printf(MSG_DEBUG
, "P2P: Request to join existing group (iface "
4582 MACSTR
" dev " MACSTR
" op_freq=%d)%s",
4583 MAC2STR(iface_addr
), MAC2STR(dev_addr
), op_freq
,
4584 auto_join
? " (auto_join)" : "");
4585 if (ssid
&& ssid_len
) {
4586 wpa_printf(MSG_DEBUG
, "P2P: Group SSID specified: %s",
4587 wpa_ssid_txt(ssid
, ssid_len
));
4590 wpa_s
->p2p_auto_pd
= 0;
4591 wpa_s
->p2p_auto_join
= !!auto_join
;
4592 os_memcpy(wpa_s
->pending_join_iface_addr
, iface_addr
, ETH_ALEN
);
4593 os_memcpy(wpa_s
->pending_join_dev_addr
, dev_addr
, ETH_ALEN
);
4594 wpa_s
->pending_join_wps_method
= wps_method
;
4596 /* Make sure we are not running find during connection establishment */
4597 wpas_p2p_stop_find(wpa_s
);
4599 wpa_s
->p2p_join_scan_count
= 0;
4600 wpas_p2p_join_scan_req(wpa_s
, op_freq
, ssid
, ssid_len
);
4605 static int wpas_p2p_join_start(struct wpa_supplicant
*wpa_s
, int freq
,
4606 const u8
*ssid
, size_t ssid_len
)
4608 struct wpa_supplicant
*group
;
4609 struct p2p_go_neg_results res
;
4610 struct wpa_bss
*bss
;
4612 group
= wpas_p2p_get_group_iface(wpa_s
, 0, 0);
4615 if (group
!= wpa_s
) {
4616 os_memcpy(group
->p2p_pin
, wpa_s
->p2p_pin
,
4617 sizeof(group
->p2p_pin
));
4618 group
->p2p_wps_method
= wpa_s
->p2p_wps_method
;
4621 * Need to mark the current interface for p2p_group_formation
4622 * when a separate group interface is not used. This is needed
4623 * to allow p2p_cancel stop a pending p2p_connect-join.
4624 * wpas_p2p_init_group_interface() addresses this for the case
4625 * where a separate group interface is used.
4627 wpa_s
->global
->p2p_group_formation
= wpa_s
;
4630 group
->p2p_in_provisioning
= 1;
4631 group
->p2p_fallback_to_go_neg
= wpa_s
->p2p_fallback_to_go_neg
;
4633 os_memset(&res
, 0, sizeof(res
));
4634 os_memcpy(res
.peer_device_addr
, wpa_s
->pending_join_dev_addr
, ETH_ALEN
);
4635 os_memcpy(res
.peer_interface_addr
, wpa_s
->pending_join_iface_addr
,
4637 res
.wps_method
= wpa_s
->pending_join_wps_method
;
4638 if (freq
&& ssid
&& ssid_len
) {
4640 res
.ssid_len
= ssid_len
;
4641 os_memcpy(res
.ssid
, ssid
, ssid_len
);
4643 bss
= wpa_bss_get_bssid_latest(wpa_s
,
4644 wpa_s
->pending_join_iface_addr
);
4646 res
.freq
= bss
->freq
;
4647 res
.ssid_len
= bss
->ssid_len
;
4648 os_memcpy(res
.ssid
, bss
->ssid
, bss
->ssid_len
);
4649 wpa_printf(MSG_DEBUG
, "P2P: Join target GO operating frequency from BSS table: %d MHz (SSID %s)",
4651 wpa_ssid_txt(bss
->ssid
, bss
->ssid_len
));
4655 if (wpa_s
->off_channel_freq
|| wpa_s
->roc_waiting_drv_freq
) {
4656 wpa_printf(MSG_DEBUG
, "P2P: Cancel remain-on-channel prior to "
4658 wpa_drv_cancel_remain_on_channel(wpa_s
);
4659 wpa_s
->off_channel_freq
= 0;
4660 wpa_s
->roc_waiting_drv_freq
= 0;
4662 wpas_start_wps_enrollee(group
, &res
);
4665 * Allow a longer timeout for join-a-running-group than normal 15
4666 * second group formation timeout since the GO may not have authorized
4667 * our connection yet.
4669 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
, wpa_s
, NULL
);
4670 eloop_register_timeout(60, 0, wpas_p2p_group_formation_timeout
,
4677 static int wpas_p2p_setup_freqs(struct wpa_supplicant
*wpa_s
, int freq
,
4678 int *force_freq
, int *pref_freq
, int go
)
4680 struct wpa_used_freq_data
*freqs
;
4681 int res
, best_freq
, num_unused
;
4682 unsigned int freq_in_use
= 0, num
, i
;
4684 freqs
= os_calloc(wpa_s
->num_multichan_concurrent
,
4685 sizeof(struct wpa_used_freq_data
));
4689 num
= wpas_p2p_valid_oper_freqs(wpa_s
, freqs
,
4690 wpa_s
->num_multichan_concurrent
);
4693 * It is possible that the total number of used frequencies is bigger
4694 * than the number of frequencies used for P2P, so get the system wide
4695 * number of unused frequencies.
4697 num_unused
= wpas_p2p_num_unused_channels(wpa_s
);
4699 wpa_printf(MSG_DEBUG
,
4700 "P2P: Setup freqs: freq=%d num_MCC=%d shared_freqs=%u num_unused=%d",
4701 freq
, wpa_s
->num_multichan_concurrent
, num
, num_unused
);
4706 ret
= p2p_supported_freq(wpa_s
->global
->p2p
, freq
);
4708 ret
= p2p_supported_freq_cli(wpa_s
->global
->p2p
, freq
);
4710 if ((wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_DFS_OFFLOAD
) &&
4711 ieee80211_is_dfs(freq
)) {
4713 * If freq is a DFS channel and DFS is offloaded
4714 * to the driver, allow P2P GO to use it.
4716 wpa_printf(MSG_DEBUG
,
4717 "P2P: The forced channel for GO (%u MHz) is DFS, and DFS is offloaded to the driver",
4720 wpa_printf(MSG_DEBUG
,
4721 "P2P: The forced channel (%u MHz) is not supported for P2P uses",
4728 for (i
= 0; i
< num
; i
++) {
4729 if (freqs
[i
].freq
== freq
)
4733 if (num_unused
<= 0 && !freq_in_use
) {
4734 wpa_printf(MSG_DEBUG
, "P2P: Cannot start P2P group on %u MHz as there are no available channels",
4739 wpa_printf(MSG_DEBUG
, "P2P: Trying to force us to use the "
4740 "requested channel (%u MHz)", freq
);
4745 best_freq
= wpas_p2p_pick_best_used_freq(wpa_s
, freqs
, num
);
4747 /* We have a candidate frequency to use */
4748 if (best_freq
> 0) {
4749 if (*pref_freq
== 0 && num_unused
> 0) {
4750 wpa_printf(MSG_DEBUG
, "P2P: Try to prefer a frequency (%u MHz) we are already using",
4752 *pref_freq
= best_freq
;
4754 wpa_printf(MSG_DEBUG
, "P2P: Try to force us to use frequency (%u MHz) which is already in use",
4756 *force_freq
= best_freq
;
4758 } else if (num_unused
> 0) {
4759 wpa_printf(MSG_DEBUG
,
4760 "P2P: Current operating channels are not available for P2P. Try to use another channel");
4763 wpa_printf(MSG_DEBUG
,
4764 "P2P: All channels are in use and none of them are P2P enabled. Cannot start P2P group");
4778 * wpas_p2p_connect - Request P2P Group Formation to be started
4779 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
4780 * @peer_addr: Address of the peer P2P Device
4781 * @pin: PIN to use during provisioning or %NULL to indicate PBC mode
4782 * @persistent_group: Whether to create a persistent group
4783 * @auto_join: Whether to select join vs. GO Negotiation automatically
4784 * @join: Whether to join an existing group (as a client) instead of starting
4785 * Group Owner negotiation; @peer_addr is BSSID in that case
4786 * @auth: Whether to only authorize the connection instead of doing that and
4787 * initiating Group Owner negotiation
4788 * @go_intent: GO Intent or -1 to use default
4789 * @freq: Frequency for the group or 0 for auto-selection
4790 * @persistent_id: Persistent group credentials to use for forcing GO
4791 * parameters or -1 to generate new values (SSID/passphrase)
4792 * @pd: Whether to send Provision Discovery prior to GO Negotiation as an
4793 * interoperability workaround when initiating group formation
4794 * @ht40: Start GO with 40 MHz channel width
4795 * @vht: Start GO with VHT support
4796 * Returns: 0 or new PIN (if pin was %NULL) on success, -1 on unspecified
4797 * failure, -2 on failure due to channel not currently available,
4798 * -3 if forced channel is not supported
4800 int wpas_p2p_connect(struct wpa_supplicant
*wpa_s
, const u8
*peer_addr
,
4801 const char *pin
, enum p2p_wps_method wps_method
,
4802 int persistent_group
, int auto_join
, int join
, int auth
,
4803 int go_intent
, int freq
, int persistent_id
, int pd
,
4806 int force_freq
= 0, pref_freq
= 0;
4808 enum wpa_driver_if_type iftype
;
4810 struct wpa_ssid
*ssid
= NULL
;
4812 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
4815 if (persistent_id
>= 0) {
4816 ssid
= wpa_config_get_network(wpa_s
->conf
, persistent_id
);
4817 if (ssid
== NULL
|| ssid
->disabled
!= 2 ||
4818 ssid
->mode
!= WPAS_MODE_P2P_GO
)
4822 os_free(wpa_s
->global
->add_psk
);
4823 wpa_s
->global
->add_psk
= NULL
;
4825 wpa_s
->global
->p2p_fail_on_wps_complete
= 0;
4826 wpa_s
->global
->pending_p2ps_group
= 0;
4829 go_intent
= wpa_s
->conf
->p2p_go_intent
;
4832 wpa_s
->p2p_long_listen
= 0;
4834 wpa_s
->p2p_wps_method
= wps_method
;
4835 wpa_s
->p2p_persistent_group
= !!persistent_group
;
4836 wpa_s
->p2p_persistent_id
= persistent_id
;
4837 wpa_s
->p2p_go_intent
= go_intent
;
4838 wpa_s
->p2p_connect_freq
= freq
;
4839 wpa_s
->p2p_fallback_to_go_neg
= 0;
4840 wpa_s
->p2p_pd_before_go_neg
= !!pd
;
4841 wpa_s
->p2p_go_ht40
= !!ht40
;
4842 wpa_s
->p2p_go_vht
= !!vht
;
4845 os_strlcpy(wpa_s
->p2p_pin
, pin
, sizeof(wpa_s
->p2p_pin
));
4846 else if (wps_method
== WPS_PIN_DISPLAY
) {
4847 ret
= wps_generate_pin();
4848 res
= os_snprintf(wpa_s
->p2p_pin
, sizeof(wpa_s
->p2p_pin
),
4850 if (os_snprintf_error(sizeof(wpa_s
->p2p_pin
), res
))
4851 wpa_s
->p2p_pin
[sizeof(wpa_s
->p2p_pin
) - 1] = '\0';
4852 wpa_printf(MSG_DEBUG
, "P2P: Randomly generated PIN: %s",
4855 wpa_s
->p2p_pin
[0] = '\0';
4857 if (join
|| auto_join
) {
4858 u8 iface_addr
[ETH_ALEN
], dev_addr
[ETH_ALEN
];
4860 wpa_printf(MSG_DEBUG
, "P2P: Authorize invitation to "
4861 "connect a running group from " MACSTR
,
4862 MAC2STR(peer_addr
));
4863 os_memcpy(wpa_s
->p2p_auth_invite
, peer_addr
, ETH_ALEN
);
4866 os_memcpy(dev_addr
, peer_addr
, ETH_ALEN
);
4867 if (p2p_get_interface_addr(wpa_s
->global
->p2p
, peer_addr
,
4869 os_memcpy(iface_addr
, peer_addr
, ETH_ALEN
);
4870 p2p_get_dev_addr(wpa_s
->global
->p2p
, peer_addr
,
4874 os_get_reltime(&wpa_s
->p2p_auto_started
);
4875 wpa_printf(MSG_DEBUG
, "P2P: Auto join started at "
4877 wpa_s
->p2p_auto_started
.sec
,
4878 wpa_s
->p2p_auto_started
.usec
);
4880 wpa_s
->user_initiated_pd
= 1;
4881 if (wpas_p2p_join(wpa_s
, iface_addr
, dev_addr
, wps_method
,
4882 auto_join
, freq
, NULL
, 0) < 0)
4887 res
= wpas_p2p_setup_freqs(wpa_s
, freq
, &force_freq
, &pref_freq
,
4891 wpas_p2p_set_own_freq_preference(wpa_s
,
4892 force_freq
? force_freq
: pref_freq
);
4894 wpa_s
->create_p2p_iface
= wpas_p2p_create_iface(wpa_s
);
4896 if (wpa_s
->create_p2p_iface
) {
4897 /* Prepare to add a new interface for the group */
4898 iftype
= WPA_IF_P2P_GROUP
;
4899 if (go_intent
== 15)
4900 iftype
= WPA_IF_P2P_GO
;
4901 if (wpas_p2p_add_group_interface(wpa_s
, iftype
) < 0) {
4902 wpa_printf(MSG_ERROR
, "P2P: Failed to allocate a new "
4903 "interface for the group");
4907 if_addr
= wpa_s
->pending_interface_addr
;
4909 if_addr
= wpa_s
->own_addr
;
4912 if (wpas_p2p_auth_go_neg(wpa_s
, peer_addr
, wps_method
,
4914 force_freq
, persistent_group
, ssid
,
4920 if (wpas_p2p_start_go_neg(wpa_s
, peer_addr
, wps_method
,
4921 go_intent
, if_addr
, force_freq
,
4922 persistent_group
, ssid
, pref_freq
) < 0) {
4923 if (wpa_s
->create_p2p_iface
)
4924 wpas_p2p_remove_pending_group_interface(wpa_s
);
4932 * wpas_p2p_remain_on_channel_cb - Indication of remain-on-channel start
4933 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
4934 * @freq: Frequency of the channel in MHz
4935 * @duration: Duration of the stay on the channel in milliseconds
4937 * This callback is called when the driver indicates that it has started the
4938 * requested remain-on-channel duration.
4940 void wpas_p2p_remain_on_channel_cb(struct wpa_supplicant
*wpa_s
,
4941 unsigned int freq
, unsigned int duration
)
4943 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
4945 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)",
4946 wpa_s
->off_channel_freq
, wpa_s
->pending_listen_freq
,
4947 wpa_s
->roc_waiting_drv_freq
, freq
, duration
);
4948 if (wpa_s
->off_channel_freq
&&
4949 wpa_s
->off_channel_freq
== wpa_s
->pending_listen_freq
) {
4950 p2p_listen_cb(wpa_s
->global
->p2p
, wpa_s
->pending_listen_freq
,
4951 wpa_s
->pending_listen_duration
);
4952 wpa_s
->pending_listen_freq
= 0;
4954 wpa_printf(MSG_DEBUG
, "P2P: Ignore remain-on-channel callback (off_channel_freq=%u pending_listen_freq=%d freq=%u duration=%u)",
4955 wpa_s
->off_channel_freq
, wpa_s
->pending_listen_freq
,
4961 int wpas_p2p_listen_start(struct wpa_supplicant
*wpa_s
, unsigned int timeout
)
4963 /* Limit maximum Listen state time based on driver limitation. */
4964 if (timeout
> wpa_s
->max_remain_on_chan
)
4965 timeout
= wpa_s
->max_remain_on_chan
;
4967 return p2p_listen(wpa_s
->global
->p2p
, timeout
);
4972 * wpas_p2p_cancel_remain_on_channel_cb - Remain-on-channel timeout
4973 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
4974 * @freq: Frequency of the channel in MHz
4976 * This callback is called when the driver indicates that a remain-on-channel
4977 * operation has been completed, i.e., the duration on the requested channel
4980 void wpas_p2p_cancel_remain_on_channel_cb(struct wpa_supplicant
*wpa_s
,
4983 wpa_printf(MSG_DEBUG
, "P2P: Cancel remain-on-channel callback "
4984 "(p2p_long_listen=%d ms pending_action_tx=%p)",
4985 wpa_s
->p2p_long_listen
, offchannel_pending_action_tx(wpa_s
));
4986 wpas_p2p_listen_work_done(wpa_s
);
4987 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
4989 if (wpa_s
->p2p_long_listen
> 0)
4990 wpa_s
->p2p_long_listen
-= wpa_s
->max_remain_on_chan
;
4991 if (p2p_listen_end(wpa_s
->global
->p2p
, freq
) > 0)
4992 return; /* P2P module started a new operation */
4993 if (offchannel_pending_action_tx(wpa_s
))
4995 if (wpa_s
->p2p_long_listen
> 0) {
4996 wpa_printf(MSG_DEBUG
, "P2P: Continuing long Listen state");
4997 wpas_p2p_listen_start(wpa_s
, wpa_s
->p2p_long_listen
);
5000 * When listen duration is over, stop listen & update p2p_state
5003 p2p_stop_listen(wpa_s
->global
->p2p
);
5009 * wpas_p2p_group_remove - Remove a P2P group
5010 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
5011 * @ifname: Network interface name of the group interface or "*" to remove all
5013 * Returns: 0 on success, -1 on failure
5015 * This function is used to remove a P2P group. This can be used to disconnect
5016 * from a group in which the local end is a P2P Client or to end a P2P Group in
5017 * case the local end is the Group Owner. If a virtual network interface was
5018 * created for this group, that interface will be removed. Otherwise, only the
5019 * configured P2P group network will be removed from the interface.
5021 int wpas_p2p_group_remove(struct wpa_supplicant
*wpa_s
, const char *ifname
)
5023 struct wpa_global
*global
= wpa_s
->global
;
5024 struct wpa_supplicant
*calling_wpa_s
= wpa_s
;
5026 if (os_strcmp(ifname
, "*") == 0) {
5027 struct wpa_supplicant
*prev
;
5028 wpa_s
= global
->ifaces
;
5031 wpa_s
= wpa_s
->next
;
5032 if (prev
->p2p_group_interface
!=
5033 NOT_P2P_GROUP_INTERFACE
||
5034 (prev
->current_ssid
&&
5035 prev
->current_ssid
->p2p_group
))
5036 wpas_p2p_disconnect_safely(prev
, calling_wpa_s
);
5041 for (wpa_s
= global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
5042 if (os_strcmp(wpa_s
->ifname
, ifname
) == 0)
5046 return wpas_p2p_disconnect_safely(wpa_s
, calling_wpa_s
);
5050 static int wpas_p2p_select_go_freq(struct wpa_supplicant
*wpa_s
, int freq
)
5055 wpa_printf(MSG_DEBUG
, "P2P: Request to start GO on 2.4 GHz "
5057 if (wpa_s
->best_24_freq
> 0 &&
5058 p2p_supported_freq_go(wpa_s
->global
->p2p
,
5059 wpa_s
->best_24_freq
)) {
5060 freq
= wpa_s
->best_24_freq
;
5061 wpa_printf(MSG_DEBUG
, "P2P: Use best 2.4 GHz band "
5062 "channel: %d MHz", freq
);
5064 if (os_get_random((u8
*) &r
, sizeof(r
)) < 0)
5066 freq
= 2412 + (r
% 3) * 25;
5067 wpa_printf(MSG_DEBUG
, "P2P: Use random 2.4 GHz band "
5068 "channel: %d MHz", freq
);
5073 wpa_printf(MSG_DEBUG
, "P2P: Request to start GO on 5 GHz "
5075 if (wpa_s
->best_5_freq
> 0 &&
5076 p2p_supported_freq_go(wpa_s
->global
->p2p
,
5077 wpa_s
->best_5_freq
)) {
5078 freq
= wpa_s
->best_5_freq
;
5079 wpa_printf(MSG_DEBUG
, "P2P: Use best 5 GHz band "
5080 "channel: %d MHz", freq
);
5082 if (os_get_random((u8
*) &r
, sizeof(r
)) < 0)
5084 freq
= 5180 + (r
% 4) * 20;
5085 if (!p2p_supported_freq_go(wpa_s
->global
->p2p
, freq
)) {
5086 wpa_printf(MSG_DEBUG
, "P2P: Could not select "
5087 "5 GHz channel for P2P group");
5090 wpa_printf(MSG_DEBUG
, "P2P: Use random 5 GHz band "
5091 "channel: %d MHz", freq
);
5095 if (freq
> 0 && !p2p_supported_freq_go(wpa_s
->global
->p2p
, freq
)) {
5096 if ((wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_DFS_OFFLOAD
) &&
5097 ieee80211_is_dfs(freq
)) {
5099 * If freq is a DFS channel and DFS is offloaded to the
5100 * driver, allow P2P GO to use it.
5102 wpa_printf(MSG_DEBUG
, "P2P: "
5103 "%s: The forced channel for GO (%u MHz) is DFS, and DFS is offloaded",
5107 wpa_printf(MSG_DEBUG
, "P2P: The forced channel for GO "
5108 "(%u MHz) is not supported for P2P uses",
5117 static int wpas_p2p_select_freq_no_pref(struct wpa_supplicant
*wpa_s
,
5118 struct p2p_go_neg_results
*params
,
5119 const struct p2p_channels
*channels
)
5123 /* first try some random selection of the social channels */
5124 if (os_get_random((u8
*) &r
, sizeof(r
)) < 0)
5127 for (i
= 0; i
< 3; i
++) {
5128 params
->freq
= 2412 + ((r
+ i
) % 3) * 25;
5129 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, params
->freq
) &&
5130 freq_included(channels
, params
->freq
) &&
5131 p2p_supported_freq(wpa_s
->global
->p2p
, params
->freq
))
5135 /* try all channels in reg. class 81 */
5136 for (i
= 0; i
< 11; i
++) {
5137 params
->freq
= 2412 + i
* 5;
5138 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, params
->freq
) &&
5139 freq_included(channels
, params
->freq
) &&
5140 p2p_supported_freq(wpa_s
->global
->p2p
, params
->freq
))
5144 /* try all channels in operating class 115 */
5145 for (i
= 0; i
< 4; i
++) {
5146 params
->freq
= 5180 + i
* 20;
5147 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, params
->freq
) &&
5148 freq_included(channels
, params
->freq
) &&
5149 p2p_supported_freq(wpa_s
->global
->p2p
, params
->freq
))
5153 /* try all channels in operating class 124 */
5154 for (i
= 0; i
< 4; i
++) {
5155 params
->freq
= 5745 + i
* 20;
5156 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, params
->freq
) &&
5157 freq_included(channels
, params
->freq
) &&
5158 p2p_supported_freq(wpa_s
->global
->p2p
, params
->freq
))
5162 /* try social channel class 180 channel 2 */
5163 params
->freq
= 58320 + 1 * 2160;
5164 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, params
->freq
) &&
5165 freq_included(channels
, params
->freq
) &&
5166 p2p_supported_freq(wpa_s
->global
->p2p
, params
->freq
))
5169 /* try all channels in reg. class 180 */
5170 for (i
= 0; i
< 4; i
++) {
5171 params
->freq
= 58320 + i
* 2160;
5172 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, params
->freq
) &&
5173 freq_included(channels
, params
->freq
) &&
5174 p2p_supported_freq(wpa_s
->global
->p2p
, params
->freq
))
5178 wpa_printf(MSG_DEBUG
, "P2P: No 2.4, 5, or 60 GHz channel allowed");
5181 wpa_printf(MSG_DEBUG
, "P2P: Set GO freq %d MHz (no preference known)",
5187 static int wpas_p2p_init_go_params(struct wpa_supplicant
*wpa_s
,
5188 struct p2p_go_neg_results
*params
,
5189 int freq
, int ht40
, int vht
,
5190 const struct p2p_channels
*channels
)
5192 struct wpa_used_freq_data
*freqs
;
5193 unsigned int pref_freq
, cand_freq
;
5194 unsigned int num
, i
;
5196 os_memset(params
, 0, sizeof(*params
));
5197 params
->role_go
= 1;
5198 params
->ht40
= ht40
;
5201 if (!freq_included(channels
, freq
)) {
5202 wpa_printf(MSG_DEBUG
, "P2P: Forced GO freq %d MHz not "
5206 wpa_printf(MSG_DEBUG
, "P2P: Set GO freq based on forced "
5207 "frequency %d MHz", freq
);
5208 params
->freq
= freq
;
5209 } else if (wpa_s
->conf
->p2p_oper_reg_class
== 81 &&
5210 wpa_s
->conf
->p2p_oper_channel
>= 1 &&
5211 wpa_s
->conf
->p2p_oper_channel
<= 11 &&
5212 freq_included(channels
,
5213 2407 + 5 * wpa_s
->conf
->p2p_oper_channel
)) {
5214 params
->freq
= 2407 + 5 * wpa_s
->conf
->p2p_oper_channel
;
5215 wpa_printf(MSG_DEBUG
, "P2P: Set GO freq based on configured "
5216 "frequency %d MHz", params
->freq
);
5217 } else if ((wpa_s
->conf
->p2p_oper_reg_class
== 115 ||
5218 wpa_s
->conf
->p2p_oper_reg_class
== 116 ||
5219 wpa_s
->conf
->p2p_oper_reg_class
== 117 ||
5220 wpa_s
->conf
->p2p_oper_reg_class
== 124 ||
5221 wpa_s
->conf
->p2p_oper_reg_class
== 126 ||
5222 wpa_s
->conf
->p2p_oper_reg_class
== 127) &&
5223 freq_included(channels
,
5224 5000 + 5 * wpa_s
->conf
->p2p_oper_channel
)) {
5225 params
->freq
= 5000 + 5 * wpa_s
->conf
->p2p_oper_channel
;
5226 wpa_printf(MSG_DEBUG
, "P2P: Set GO freq based on configured "
5227 "frequency %d MHz", params
->freq
);
5228 } else if (wpa_s
->conf
->p2p_oper_channel
== 0 &&
5229 wpa_s
->best_overall_freq
> 0 &&
5230 p2p_supported_freq_go(wpa_s
->global
->p2p
,
5231 wpa_s
->best_overall_freq
) &&
5232 freq_included(channels
, wpa_s
->best_overall_freq
)) {
5233 params
->freq
= wpa_s
->best_overall_freq
;
5234 wpa_printf(MSG_DEBUG
, "P2P: Set GO freq based on best overall "
5235 "channel %d MHz", params
->freq
);
5236 } else if (wpa_s
->conf
->p2p_oper_channel
== 0 &&
5237 wpa_s
->best_24_freq
> 0 &&
5238 p2p_supported_freq_go(wpa_s
->global
->p2p
,
5239 wpa_s
->best_24_freq
) &&
5240 freq_included(channels
, wpa_s
->best_24_freq
)) {
5241 params
->freq
= wpa_s
->best_24_freq
;
5242 wpa_printf(MSG_DEBUG
, "P2P: Set GO freq based on best 2.4 GHz "
5243 "channel %d MHz", params
->freq
);
5244 } else if (wpa_s
->conf
->p2p_oper_channel
== 0 &&
5245 wpa_s
->best_5_freq
> 0 &&
5246 p2p_supported_freq_go(wpa_s
->global
->p2p
,
5247 wpa_s
->best_5_freq
) &&
5248 freq_included(channels
, wpa_s
->best_5_freq
)) {
5249 params
->freq
= wpa_s
->best_5_freq
;
5250 wpa_printf(MSG_DEBUG
, "P2P: Set GO freq based on best 5 GHz "
5251 "channel %d MHz", params
->freq
);
5252 } else if ((pref_freq
= p2p_get_pref_freq(wpa_s
->global
->p2p
,
5254 params
->freq
= pref_freq
;
5255 wpa_printf(MSG_DEBUG
, "P2P: Set GO freq %d MHz from preferred "
5256 "channels", params
->freq
);
5258 /* no preference, select some channel */
5259 if (wpas_p2p_select_freq_no_pref(wpa_s
, params
, channels
) < 0)
5263 freqs
= os_calloc(wpa_s
->num_multichan_concurrent
,
5264 sizeof(struct wpa_used_freq_data
));
5268 num
= wpas_p2p_valid_oper_freqs(wpa_s
, freqs
,
5269 wpa_s
->num_multichan_concurrent
);
5271 cand_freq
= wpas_p2p_pick_best_used_freq(wpa_s
, freqs
, num
);
5273 /* First try the best used frequency if possible */
5274 if (!freq
&& cand_freq
> 0 && freq_included(channels
, cand_freq
)) {
5275 params
->freq
= cand_freq
;
5277 /* Try any of the used frequencies */
5278 for (i
= 0; i
< num
; i
++) {
5279 if (freq_included(channels
, freqs
[i
].freq
)) {
5280 wpa_printf(MSG_DEBUG
, "P2P: Force GO on a channel we are already using (%u MHz)",
5282 params
->freq
= freqs
[i
].freq
;
5288 if (wpas_p2p_num_unused_channels(wpa_s
) <= 0) {
5289 wpa_printf(MSG_DEBUG
, "P2P: Cannot force GO on any of the channels we are already using");
5293 wpa_printf(MSG_DEBUG
, "P2P: Cannot force GO on any of the channels we are already using. Use one of the free channels");
5297 for (i
= 0; i
< num
; i
++) {
5298 if (freqs
[i
].freq
== freq
)
5303 if (wpas_p2p_num_unused_channels(wpa_s
) <= 0) {
5305 wpa_printf(MSG_DEBUG
, "P2P: Cannot force GO on freq (%u MHz) as all the channels are in use", freq
);
5309 wpa_printf(MSG_DEBUG
, "P2P: Use one of the free channels");
5319 static struct wpa_supplicant
*
5320 wpas_p2p_get_group_iface(struct wpa_supplicant
*wpa_s
, int addr_allocated
,
5323 struct wpa_supplicant
*group_wpa_s
;
5325 if (!wpas_p2p_create_iface(wpa_s
)) {
5326 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Use same interface for group "
5328 wpa_s
->p2p_first_connection_timeout
= 0;
5332 if (wpas_p2p_add_group_interface(wpa_s
, go
? WPA_IF_P2P_GO
:
5333 WPA_IF_P2P_CLIENT
) < 0) {
5334 wpa_msg_global(wpa_s
, MSG_ERROR
,
5335 "P2P: Failed to add group interface");
5338 group_wpa_s
= wpas_p2p_init_group_interface(wpa_s
, go
);
5339 if (group_wpa_s
== NULL
) {
5340 wpa_msg_global(wpa_s
, MSG_ERROR
,
5341 "P2P: Failed to initialize group interface");
5342 wpas_p2p_remove_pending_group_interface(wpa_s
);
5346 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Use separate group interface %s",
5347 group_wpa_s
->ifname
);
5348 group_wpa_s
->p2p_first_connection_timeout
= 0;
5354 * wpas_p2p_group_add - Add a new P2P group with local end as Group Owner
5355 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
5356 * @persistent_group: Whether to create a persistent group
5357 * @freq: Frequency for the group or 0 to indicate no hardcoding
5358 * @ht40: Start GO with 40 MHz channel width
5359 * @vht: Start GO with VHT support
5360 * Returns: 0 on success, -1 on failure
5362 * This function creates a new P2P group with the local end as the Group Owner,
5363 * i.e., without using Group Owner Negotiation.
5365 int wpas_p2p_group_add(struct wpa_supplicant
*wpa_s
, int persistent_group
,
5366 int freq
, int ht40
, int vht
)
5368 struct p2p_go_neg_results params
;
5370 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
5373 os_free(wpa_s
->global
->add_psk
);
5374 wpa_s
->global
->add_psk
= NULL
;
5376 /* Make sure we are not running find during connection establishment */
5377 wpa_printf(MSG_DEBUG
, "P2P: Stop any on-going P2P FIND");
5378 wpas_p2p_stop_find_oper(wpa_s
);
5380 freq
= wpas_p2p_select_go_freq(wpa_s
, freq
);
5384 if (wpas_p2p_init_go_params(wpa_s
, ¶ms
, freq
, ht40
, vht
, NULL
))
5387 !p2p_supported_freq_go(wpa_s
->global
->p2p
, params
.freq
)) {
5388 if ((wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_DFS_OFFLOAD
) &&
5389 ieee80211_is_dfs(params
.freq
)) {
5391 * If freq is a DFS channel and DFS is offloaded to the
5392 * driver, allow P2P GO to use it.
5394 wpa_printf(MSG_DEBUG
,
5395 "P2P: %s: The forced channel for GO (%u MHz) is DFS, and DFS is offloaded to driver",
5396 __func__
, params
.freq
);
5398 wpa_printf(MSG_DEBUG
,
5399 "P2P: The selected channel for GO (%u MHz) is not supported for P2P uses",
5404 p2p_go_params(wpa_s
->global
->p2p
, ¶ms
);
5405 params
.persistent_group
= persistent_group
;
5407 wpa_s
= wpas_p2p_get_group_iface(wpa_s
, 0, 1);
5410 wpas_start_wps_go(wpa_s
, ¶ms
, 0);
5416 static int wpas_start_p2p_client(struct wpa_supplicant
*wpa_s
,
5417 struct wpa_ssid
*params
, int addr_allocated
,
5420 struct wpa_ssid
*ssid
;
5422 wpa_s
= wpas_p2p_get_group_iface(wpa_s
, addr_allocated
, 0);
5425 wpa_s
->p2p_last_4way_hs_fail
= NULL
;
5427 wpa_supplicant_ap_deinit(wpa_s
);
5429 ssid
= wpa_config_add_network(wpa_s
->conf
);
5432 wpa_config_set_network_defaults(ssid
);
5433 ssid
->temporary
= 1;
5434 ssid
->proto
= WPA_PROTO_RSN
;
5435 ssid
->pairwise_cipher
= WPA_CIPHER_CCMP
;
5436 ssid
->group_cipher
= WPA_CIPHER_CCMP
;
5437 ssid
->key_mgmt
= WPA_KEY_MGMT_PSK
;
5438 ssid
->ssid
= os_malloc(params
->ssid_len
);
5439 if (ssid
->ssid
== NULL
) {
5440 wpa_config_remove_network(wpa_s
->conf
, ssid
->id
);
5443 os_memcpy(ssid
->ssid
, params
->ssid
, params
->ssid_len
);
5444 ssid
->ssid_len
= params
->ssid_len
;
5445 ssid
->p2p_group
= 1;
5446 ssid
->export_keys
= 1;
5447 if (params
->psk_set
) {
5448 os_memcpy(ssid
->psk
, params
->psk
, 32);
5451 if (params
->passphrase
)
5452 ssid
->passphrase
= os_strdup(params
->passphrase
);
5454 wpa_s
->show_group_started
= 1;
5455 wpa_s
->p2p_in_invitation
= 1;
5456 wpa_s
->p2p_invite_go_freq
= freq
;
5458 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
, wpa_s
->parent
,
5460 eloop_register_timeout(P2P_MAX_INITIAL_CONN_WAIT
, 0,
5461 wpas_p2p_group_formation_timeout
,
5462 wpa_s
->parent
, NULL
);
5463 wpa_supplicant_select_network(wpa_s
, ssid
);
5469 int wpas_p2p_group_add_persistent(struct wpa_supplicant
*wpa_s
,
5470 struct wpa_ssid
*ssid
, int addr_allocated
,
5471 int force_freq
, int neg_freq
, int ht40
,
5472 int vht
, const struct p2p_channels
*channels
,
5473 int connection_timeout
)
5475 struct p2p_go_neg_results params
;
5478 if (ssid
->disabled
!= 2 || ssid
->ssid
== NULL
)
5481 if (wpas_get_p2p_group(wpa_s
, ssid
->ssid
, ssid
->ssid_len
, &go
) &&
5482 go
== (ssid
->mode
== WPAS_MODE_P2P_GO
)) {
5483 wpa_printf(MSG_DEBUG
, "P2P: Requested persistent group is "
5488 os_free(wpa_s
->global
->add_psk
);
5489 wpa_s
->global
->add_psk
= NULL
;
5491 /* Make sure we are not running find during connection establishment */
5492 wpas_p2p_stop_find_oper(wpa_s
);
5494 wpa_s
->p2p_fallback_to_go_neg
= 0;
5496 if (ssid
->mode
== WPAS_MODE_P2P_GO
) {
5497 if (force_freq
> 0) {
5498 freq
= wpas_p2p_select_go_freq(wpa_s
, force_freq
);
5502 freq
= wpas_p2p_select_go_freq(wpa_s
, neg_freq
);
5504 (freq
> 0 && !freq_included(channels
, freq
)))
5507 } else if (ssid
->mode
== WPAS_MODE_INFRA
) {
5509 if (freq
<= 0 || !freq_included(channels
, freq
)) {
5510 struct os_reltime now
;
5511 struct wpa_bss
*bss
=
5512 wpa_bss_get_p2p_dev_addr(wpa_s
, ssid
->bssid
);
5514 os_get_reltime(&now
);
5516 !os_reltime_expired(&now
, &bss
->last_update
, 5) &&
5517 freq_included(channels
, bss
->freq
))
5523 return wpas_start_p2p_client(wpa_s
, ssid
, addr_allocated
, freq
);
5528 if (wpas_p2p_init_go_params(wpa_s
, ¶ms
, freq
, ht40
, vht
, channels
))
5532 params
.psk_set
= ssid
->psk_set
;
5534 os_memcpy(params
.psk
, ssid
->psk
, sizeof(params
.psk
));
5535 if (ssid
->passphrase
) {
5536 if (os_strlen(ssid
->passphrase
) >= sizeof(params
.passphrase
)) {
5537 wpa_printf(MSG_ERROR
, "P2P: Invalid passphrase in "
5538 "persistent group");
5541 os_strlcpy(params
.passphrase
, ssid
->passphrase
,
5542 sizeof(params
.passphrase
));
5544 os_memcpy(params
.ssid
, ssid
->ssid
, ssid
->ssid_len
);
5545 params
.ssid_len
= ssid
->ssid_len
;
5546 params
.persistent_group
= 1;
5548 wpa_s
= wpas_p2p_get_group_iface(wpa_s
, addr_allocated
, 1);
5552 p2p_channels_to_freqs(channels
, params
.freq_list
, P2P_MAX_CHANNELS
);
5554 wpa_s
->p2p_first_connection_timeout
= connection_timeout
;
5555 wpas_start_wps_go(wpa_s
, ¶ms
, 0);
5561 static void wpas_p2p_ie_update(void *ctx
, struct wpabuf
*beacon_ies
,
5562 struct wpabuf
*proberesp_ies
)
5564 struct wpa_supplicant
*wpa_s
= ctx
;
5565 if (wpa_s
->ap_iface
) {
5566 struct hostapd_data
*hapd
= wpa_s
->ap_iface
->bss
[0];
5567 if (!(hapd
->conf
->p2p
& P2P_GROUP_OWNER
)) {
5568 wpabuf_free(beacon_ies
);
5569 wpabuf_free(proberesp_ies
);
5573 wpabuf_free(hapd
->p2p_beacon_ie
);
5574 hapd
->p2p_beacon_ie
= beacon_ies
;
5576 wpabuf_free(hapd
->p2p_probe_resp_ie
);
5577 hapd
->p2p_probe_resp_ie
= proberesp_ies
;
5579 wpabuf_free(beacon_ies
);
5580 wpabuf_free(proberesp_ies
);
5582 wpa_supplicant_ap_update_beacon(wpa_s
);
5586 static void wpas_p2p_idle_update(void *ctx
, int idle
)
5588 struct wpa_supplicant
*wpa_s
= ctx
;
5589 if (!wpa_s
->ap_iface
)
5591 wpa_printf(MSG_DEBUG
, "P2P: GO - group %sidle", idle
? "" : "not ");
5593 if (wpa_s
->global
->p2p_fail_on_wps_complete
&&
5594 wpa_s
->p2p_in_provisioning
) {
5595 wpas_p2p_grpform_fail_after_wps(wpa_s
);
5598 wpas_p2p_set_group_idle_timeout(wpa_s
);
5600 eloop_cancel_timeout(wpas_p2p_group_idle_timeout
, wpa_s
, NULL
);
5604 struct p2p_group
* wpas_p2p_group_init(struct wpa_supplicant
*wpa_s
,
5605 struct wpa_ssid
*ssid
)
5607 struct p2p_group
*group
;
5608 struct p2p_group_config
*cfg
;
5610 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
5613 cfg
= os_zalloc(sizeof(*cfg
));
5617 if (ssid
->p2p_persistent_group
&& wpa_s
->conf
->persistent_reconnect
)
5618 cfg
->persistent_group
= 2;
5619 else if (ssid
->p2p_persistent_group
)
5620 cfg
->persistent_group
= 1;
5621 os_memcpy(cfg
->interface_addr
, wpa_s
->own_addr
, ETH_ALEN
);
5622 if (wpa_s
->max_stations
&&
5623 wpa_s
->max_stations
< wpa_s
->conf
->max_num_sta
)
5624 cfg
->max_clients
= wpa_s
->max_stations
;
5626 cfg
->max_clients
= wpa_s
->conf
->max_num_sta
;
5627 os_memcpy(cfg
->ssid
, ssid
->ssid
, ssid
->ssid_len
);
5628 cfg
->ssid_len
= ssid
->ssid_len
;
5629 cfg
->freq
= ssid
->frequency
;
5630 cfg
->cb_ctx
= wpa_s
;
5631 cfg
->ie_update
= wpas_p2p_ie_update
;
5632 cfg
->idle_update
= wpas_p2p_idle_update
;
5634 group
= p2p_group_init(wpa_s
->global
->p2p
, cfg
);
5637 if (ssid
->mode
!= WPAS_MODE_P2P_GROUP_FORMATION
)
5638 p2p_group_notif_formation_done(group
);
5639 wpa_s
->p2p_group
= group
;
5644 void wpas_p2p_wps_success(struct wpa_supplicant
*wpa_s
, const u8
*peer_addr
,
5647 struct wpa_ssid
*ssid
= wpa_s
->current_ssid
;
5649 if (!wpa_s
->p2p_in_provisioning
) {
5650 wpa_printf(MSG_DEBUG
, "P2P: Ignore WPS success event - P2P "
5651 "provisioning not in progress");
5655 if (ssid
&& ssid
->mode
== WPAS_MODE_INFRA
) {
5656 u8 go_dev_addr
[ETH_ALEN
];
5657 os_memcpy(go_dev_addr
, wpa_s
->bssid
, ETH_ALEN
);
5658 wpas_p2p_persistent_group(wpa_s
, go_dev_addr
, ssid
->ssid
,
5660 /* Clear any stored provisioning info */
5661 p2p_clear_provisioning_info(wpa_s
->global
->p2p
, go_dev_addr
);
5664 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
, wpa_s
->parent
,
5666 wpa_s
->p2p_go_group_formation_completed
= 1;
5667 if (ssid
&& ssid
->mode
== WPAS_MODE_INFRA
) {
5669 * Use a separate timeout for initial data connection to
5670 * complete to allow the group to be removed automatically if
5671 * something goes wrong in this step before the P2P group idle
5672 * timeout mechanism is taken into use.
5674 wpa_dbg(wpa_s
, MSG_DEBUG
,
5675 "P2P: Re-start group formation timeout (%d seconds) as client for initial connection",
5676 P2P_MAX_INITIAL_CONN_WAIT
);
5677 eloop_register_timeout(P2P_MAX_INITIAL_CONN_WAIT
, 0,
5678 wpas_p2p_group_formation_timeout
,
5679 wpa_s
->parent
, NULL
);
5682 * Use a separate timeout for initial data connection to
5683 * complete to allow the group to be removed automatically if
5684 * the client does not complete data connection successfully.
5686 wpa_dbg(wpa_s
, MSG_DEBUG
,
5687 "P2P: Re-start group formation timeout (%d seconds) as GO for initial connection",
5688 P2P_MAX_INITIAL_CONN_WAIT_GO
);
5689 eloop_register_timeout(P2P_MAX_INITIAL_CONN_WAIT_GO
, 0,
5690 wpas_p2p_group_formation_timeout
,
5691 wpa_s
->parent
, NULL
);
5693 * Complete group formation on first successful data connection
5695 wpa_s
->p2p_go_group_formation_completed
= 0;
5697 if (wpa_s
->global
->p2p
)
5698 p2p_wps_success_cb(wpa_s
->global
->p2p
, peer_addr
);
5699 wpas_group_formation_completed(wpa_s
, 1);
5703 void wpas_p2p_wps_failed(struct wpa_supplicant
*wpa_s
,
5704 struct wps_event_fail
*fail
)
5706 if (!wpa_s
->p2p_in_provisioning
) {
5707 wpa_printf(MSG_DEBUG
, "P2P: Ignore WPS fail event - P2P "
5708 "provisioning not in progress");
5712 if (wpa_s
->go_params
) {
5713 p2p_clear_provisioning_info(
5715 wpa_s
->go_params
->peer_device_addr
);
5718 wpas_notify_p2p_wps_failed(wpa_s
, fail
);
5720 if (wpa_s
== wpa_s
->global
->p2p_group_formation
) {
5722 * Allow some time for the failed WPS negotiation exchange to
5723 * complete, but remove the group since group formation cannot
5724 * succeed after provisioning failure.
5726 wpa_printf(MSG_DEBUG
, "P2P: WPS step failed during group formation - reject connection from timeout");
5727 wpa_s
->global
->p2p_fail_on_wps_complete
= 1;
5728 eloop_deplete_timeout(0, 50000,
5729 wpas_p2p_group_formation_timeout
,
5730 wpa_s
->parent
, NULL
);
5735 int wpas_p2p_wps_eapol_cb(struct wpa_supplicant
*wpa_s
)
5737 if (!wpa_s
->global
->p2p_fail_on_wps_complete
||
5738 !wpa_s
->p2p_in_provisioning
)
5741 wpas_p2p_grpform_fail_after_wps(wpa_s
);
5747 int wpas_p2p_prov_disc(struct wpa_supplicant
*wpa_s
, const u8
*peer_addr
,
5748 const char *config_method
,
5749 enum wpas_p2p_prov_disc_use use
,
5750 struct p2ps_provision
*p2ps_prov
)
5754 wpa_s
->global
->pending_p2ps_group
= 0;
5755 wpa_s
->p2p_fallback_to_go_neg
= 0;
5756 wpa_s
->pending_pd_use
= NORMAL_PD
;
5757 if (p2ps_prov
&& use
== WPAS_P2P_PD_FOR_ASP
) {
5758 p2ps_prov
->conncap
= p2ps_group_capability(
5759 wpa_s
, P2PS_SETUP_NONE
, p2ps_prov
->role
);
5760 wpa_printf(MSG_DEBUG
,
5761 "P2P: %s conncap: %d - ASP parsed: %x %x %d %s",
5762 __func__
, p2ps_prov
->conncap
,
5763 p2ps_prov
->adv_id
, p2ps_prov
->conncap
,
5764 p2ps_prov
->status
, p2ps_prov
->info
);
5767 } else if (os_strncmp(config_method
, "display", 7) == 0)
5768 config_methods
= WPS_CONFIG_DISPLAY
;
5769 else if (os_strncmp(config_method
, "keypad", 6) == 0)
5770 config_methods
= WPS_CONFIG_KEYPAD
;
5771 else if (os_strncmp(config_method
, "pbc", 3) == 0 ||
5772 os_strncmp(config_method
, "pushbutton", 10) == 0)
5773 config_methods
= WPS_CONFIG_PUSHBUTTON
;
5775 wpa_printf(MSG_DEBUG
, "P2P: Unknown config method");
5780 if (use
== WPAS_P2P_PD_AUTO
) {
5781 os_memcpy(wpa_s
->pending_join_dev_addr
, peer_addr
, ETH_ALEN
);
5782 wpa_s
->pending_pd_config_methods
= config_methods
;
5783 wpa_s
->p2p_auto_pd
= 1;
5784 wpa_s
->p2p_auto_join
= 0;
5785 wpa_s
->pending_pd_before_join
= 0;
5786 wpa_s
->auto_pd_scan_retry
= 0;
5787 wpas_p2p_stop_find(wpa_s
);
5788 wpa_s
->p2p_join_scan_count
= 0;
5789 os_get_reltime(&wpa_s
->p2p_auto_started
);
5790 wpa_printf(MSG_DEBUG
, "P2P: Auto PD started at %ld.%06ld",
5791 wpa_s
->p2p_auto_started
.sec
,
5792 wpa_s
->p2p_auto_started
.usec
);
5793 wpas_p2p_join_scan(wpa_s
, NULL
);
5797 if (wpa_s
->global
->p2p
== NULL
|| wpa_s
->global
->p2p_disabled
) {
5802 return p2p_prov_disc_req(wpa_s
->global
->p2p
, peer_addr
, p2ps_prov
,
5803 config_methods
, use
== WPAS_P2P_PD_FOR_JOIN
,
5808 int wpas_p2p_scan_result_text(const u8
*ies
, size_t ies_len
, char *buf
,
5811 return p2p_scan_result_text(ies
, ies_len
, buf
, end
);
5815 static void wpas_p2p_clear_pending_action_tx(struct wpa_supplicant
*wpa_s
)
5817 if (!offchannel_pending_action_tx(wpa_s
))
5820 wpas_p2p_action_tx_clear(wpa_s
);
5822 wpa_printf(MSG_DEBUG
, "P2P: Drop pending Action TX due to new "
5823 "operation request");
5824 offchannel_clear_pending_action_tx(wpa_s
);
5828 int wpas_p2p_find(struct wpa_supplicant
*wpa_s
, unsigned int timeout
,
5829 enum p2p_discovery_type type
,
5830 unsigned int num_req_dev_types
, const u8
*req_dev_types
,
5831 const u8
*dev_id
, unsigned int search_delay
,
5832 u8 seek_cnt
, const char **seek_string
, int freq
)
5834 wpas_p2p_clear_pending_action_tx(wpa_s
);
5835 wpa_s
->p2p_long_listen
= 0;
5837 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
||
5838 wpa_s
->p2p_in_provisioning
)
5841 wpa_supplicant_cancel_sched_scan(wpa_s
);
5843 return p2p_find(wpa_s
->global
->p2p
, timeout
, type
,
5844 num_req_dev_types
, req_dev_types
, dev_id
,
5845 search_delay
, seek_cnt
, seek_string
, freq
);
5849 static void wpas_p2p_scan_res_ignore_search(struct wpa_supplicant
*wpa_s
,
5850 struct wpa_scan_results
*scan_res
)
5852 wpa_printf(MSG_DEBUG
, "P2P: Ignore scan results");
5854 if (wpa_s
->p2p_scan_work
) {
5855 struct wpa_radio_work
*work
= wpa_s
->p2p_scan_work
;
5856 wpa_s
->p2p_scan_work
= NULL
;
5857 radio_work_done(work
);
5860 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
5864 * Indicate that results have been processed so that the P2P module can
5865 * continue pending tasks.
5867 p2p_scan_res_handled(wpa_s
->global
->p2p
);
5871 static void wpas_p2p_stop_find_oper(struct wpa_supplicant
*wpa_s
)
5873 wpas_p2p_clear_pending_action_tx(wpa_s
);
5874 wpa_s
->p2p_long_listen
= 0;
5875 eloop_cancel_timeout(wpas_p2p_long_listen_timeout
, wpa_s
, NULL
);
5876 eloop_cancel_timeout(wpas_p2p_join_scan
, wpa_s
, NULL
);
5878 if (wpa_s
->global
->p2p
)
5879 p2p_stop_find(wpa_s
->global
->p2p
);
5881 if (wpa_s
->scan_res_handler
== wpas_p2p_scan_res_handler
) {
5882 wpa_printf(MSG_DEBUG
,
5883 "P2P: Do not consider the scan results after stop_find");
5884 wpa_s
->scan_res_handler
= wpas_p2p_scan_res_ignore_search
;
5889 void wpas_p2p_stop_find(struct wpa_supplicant
*wpa_s
)
5891 wpas_p2p_stop_find_oper(wpa_s
);
5892 if (!wpa_s
->global
->pending_group_iface_for_p2ps
)
5893 wpas_p2p_remove_pending_group_interface(wpa_s
);
5897 static void wpas_p2p_long_listen_timeout(void *eloop_ctx
, void *timeout_ctx
)
5899 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
5900 wpa_s
->p2p_long_listen
= 0;
5904 int wpas_p2p_listen(struct wpa_supplicant
*wpa_s
, unsigned int timeout
)
5908 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
5911 wpa_supplicant_cancel_sched_scan(wpa_s
);
5912 wpas_p2p_clear_pending_action_tx(wpa_s
);
5916 * This is a request for unlimited Listen state. However, at
5917 * least for now, this is mapped to a Listen state for one
5922 eloop_cancel_timeout(wpas_p2p_long_listen_timeout
, wpa_s
, NULL
);
5923 wpa_s
->p2p_long_listen
= 0;
5926 * Stop previous find/listen operation to avoid trying to request a new
5927 * remain-on-channel operation while the driver is still running the
5930 if (wpa_s
->global
->p2p
)
5931 p2p_stop_find(wpa_s
->global
->p2p
);
5933 res
= wpas_p2p_listen_start(wpa_s
, timeout
* 1000);
5934 if (res
== 0 && timeout
* 1000 > wpa_s
->max_remain_on_chan
) {
5935 wpa_s
->p2p_long_listen
= timeout
* 1000;
5936 eloop_register_timeout(timeout
, 0,
5937 wpas_p2p_long_listen_timeout
,
5945 int wpas_p2p_assoc_req_ie(struct wpa_supplicant
*wpa_s
, struct wpa_bss
*bss
,
5946 u8
*buf
, size_t len
, int p2p_group
)
5948 struct wpabuf
*p2p_ie
;
5951 if (wpa_s
->global
->p2p_disabled
)
5953 if (wpa_s
->conf
->p2p_disabled
)
5955 if (wpa_s
->global
->p2p
== NULL
)
5960 p2p_ie
= wpa_bss_get_vendor_ie_multi(bss
, P2P_IE_VENDOR_TYPE
);
5961 ret
= p2p_assoc_req_ie(wpa_s
->global
->p2p
, bss
->bssid
, buf
, len
,
5963 wpabuf_free(p2p_ie
);
5969 int wpas_p2p_probe_req_rx(struct wpa_supplicant
*wpa_s
, const u8
*addr
,
5970 const u8
*dst
, const u8
*bssid
,
5971 const u8
*ie
, size_t ie_len
, int ssi_signal
)
5973 if (wpa_s
->global
->p2p_disabled
)
5975 if (wpa_s
->global
->p2p
== NULL
)
5978 switch (p2p_probe_req_rx(wpa_s
->global
->p2p
, addr
, dst
, bssid
,
5980 case P2P_PREQ_NOT_P2P
:
5981 wpas_notify_preq(wpa_s
, addr
, dst
, bssid
, ie
, ie_len
,
5984 case P2P_PREQ_MALFORMED
:
5985 case P2P_PREQ_NOT_LISTEN
:
5986 case P2P_PREQ_NOT_PROCESSED
:
5987 default: /* make gcc happy */
5989 case P2P_PREQ_PROCESSED
:
5995 void wpas_p2p_rx_action(struct wpa_supplicant
*wpa_s
, const u8
*da
,
5996 const u8
*sa
, const u8
*bssid
,
5997 u8 category
, const u8
*data
, size_t len
, int freq
)
5999 if (wpa_s
->global
->p2p_disabled
)
6001 if (wpa_s
->global
->p2p
== NULL
)
6004 p2p_rx_action(wpa_s
->global
->p2p
, da
, sa
, bssid
, category
, data
, len
,
6009 void wpas_p2p_scan_ie(struct wpa_supplicant
*wpa_s
, struct wpabuf
*ies
)
6011 if (wpa_s
->global
->p2p_disabled
)
6013 if (wpa_s
->global
->p2p
== NULL
)
6016 p2p_scan_ie(wpa_s
->global
->p2p
, ies
, NULL
);
6020 static void wpas_p2p_group_deinit(struct wpa_supplicant
*wpa_s
)
6022 p2p_group_deinit(wpa_s
->p2p_group
);
6023 wpa_s
->p2p_group
= NULL
;
6025 wpa_s
->ap_configured_cb
= NULL
;
6026 wpa_s
->ap_configured_cb_ctx
= NULL
;
6027 wpa_s
->ap_configured_cb_data
= NULL
;
6028 wpa_s
->connect_without_scan
= NULL
;
6032 int wpas_p2p_reject(struct wpa_supplicant
*wpa_s
, const u8
*addr
)
6034 wpa_s
->p2p_long_listen
= 0;
6036 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
6039 return p2p_reject(wpa_s
->global
->p2p
, addr
);
6043 /* Invite to reinvoke a persistent group */
6044 int wpas_p2p_invite(struct wpa_supplicant
*wpa_s
, const u8
*peer_addr
,
6045 struct wpa_ssid
*ssid
, const u8
*go_dev_addr
, int freq
,
6046 int ht40
, int vht
, int pref_freq
)
6048 enum p2p_invite_role role
;
6052 int no_pref_freq_given
= pref_freq
== 0;
6054 wpa_s
->global
->p2p_invite_group
= NULL
;
6056 os_memcpy(wpa_s
->p2p_auth_invite
, peer_addr
, ETH_ALEN
);
6058 os_memset(wpa_s
->p2p_auth_invite
, 0, ETH_ALEN
);
6060 wpa_s
->p2p_persistent_go_freq
= freq
;
6061 wpa_s
->p2p_go_ht40
= !!ht40
;
6062 if (ssid
->mode
== WPAS_MODE_P2P_GO
) {
6063 role
= P2P_INVITE_ROLE_GO
;
6064 if (peer_addr
== NULL
) {
6065 wpa_printf(MSG_DEBUG
, "P2P: Missing peer "
6066 "address in invitation command");
6069 if (wpas_p2p_create_iface(wpa_s
)) {
6070 if (wpas_p2p_add_group_interface(wpa_s
,
6071 WPA_IF_P2P_GO
) < 0) {
6072 wpa_printf(MSG_ERROR
, "P2P: Failed to "
6073 "allocate a new interface for the "
6077 bssid
= wpa_s
->pending_interface_addr
;
6079 bssid
= wpa_s
->own_addr
;
6081 role
= P2P_INVITE_ROLE_CLIENT
;
6082 peer_addr
= ssid
->bssid
;
6084 wpa_s
->pending_invite_ssid_id
= ssid
->id
;
6086 res
= wpas_p2p_setup_freqs(wpa_s
, freq
, &force_freq
, &pref_freq
,
6087 role
== P2P_INVITE_ROLE_GO
);
6091 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
6094 if (wpa_s
->parent
->conf
->p2p_ignore_shared_freq
&&
6095 no_pref_freq_given
&& pref_freq
> 0 &&
6096 wpa_s
->num_multichan_concurrent
> 1 &&
6097 wpas_p2p_num_unused_channels(wpa_s
) > 0) {
6098 wpa_printf(MSG_DEBUG
, "P2P: Ignore own channel preference %d MHz for invitation due to p2p_ignore_shared_freq=1 configuration",
6104 * Stop any find/listen operations before invitation and possibly
6105 * connection establishment.
6107 wpas_p2p_stop_find_oper(wpa_s
);
6109 return p2p_invite(wpa_s
->global
->p2p
, peer_addr
, role
, bssid
,
6110 ssid
->ssid
, ssid
->ssid_len
, force_freq
, go_dev_addr
,
6115 /* Invite to join an active group */
6116 int wpas_p2p_invite_group(struct wpa_supplicant
*wpa_s
, const char *ifname
,
6117 const u8
*peer_addr
, const u8
*go_dev_addr
)
6119 struct wpa_global
*global
= wpa_s
->global
;
6120 enum p2p_invite_role role
;
6122 struct wpa_ssid
*ssid
;
6124 int freq
= 0, force_freq
= 0, pref_freq
= 0;
6127 wpa_s
->p2p_persistent_go_freq
= 0;
6128 wpa_s
->p2p_go_ht40
= 0;
6129 wpa_s
->p2p_go_vht
= 0;
6131 for (wpa_s
= global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
6132 if (os_strcmp(wpa_s
->ifname
, ifname
) == 0)
6135 if (wpa_s
== NULL
) {
6136 wpa_printf(MSG_DEBUG
, "P2P: Interface '%s' not found", ifname
);
6140 ssid
= wpa_s
->current_ssid
;
6142 wpa_printf(MSG_DEBUG
, "P2P: No current SSID to use for "
6147 wpa_s
->global
->p2p_invite_group
= wpa_s
;
6148 persistent
= ssid
->p2p_persistent_group
&&
6149 wpas_p2p_get_persistent(wpa_s
->parent
, peer_addr
,
6150 ssid
->ssid
, ssid
->ssid_len
);
6152 if (ssid
->mode
== WPAS_MODE_P2P_GO
) {
6153 role
= P2P_INVITE_ROLE_ACTIVE_GO
;
6154 bssid
= wpa_s
->own_addr
;
6155 if (go_dev_addr
== NULL
)
6156 go_dev_addr
= wpa_s
->global
->p2p_dev_addr
;
6157 freq
= ssid
->frequency
;
6159 role
= P2P_INVITE_ROLE_CLIENT
;
6160 if (wpa_s
->wpa_state
< WPA_ASSOCIATED
) {
6161 wpa_printf(MSG_DEBUG
, "P2P: Not associated - cannot "
6162 "invite to current group");
6165 bssid
= wpa_s
->bssid
;
6166 if (go_dev_addr
== NULL
&&
6167 !is_zero_ether_addr(wpa_s
->go_dev_addr
))
6168 go_dev_addr
= wpa_s
->go_dev_addr
;
6169 freq
= wpa_s
->current_bss
? wpa_s
->current_bss
->freq
:
6170 (int) wpa_s
->assoc_freq
;
6172 wpa_s
->parent
->pending_invite_ssid_id
= -1;
6174 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
6177 res
= wpas_p2p_setup_freqs(wpa_s
, freq
, &force_freq
, &pref_freq
,
6178 role
== P2P_INVITE_ROLE_ACTIVE_GO
);
6181 wpas_p2p_set_own_freq_preference(wpa_s
, force_freq
);
6183 return p2p_invite(wpa_s
->global
->p2p
, peer_addr
, role
, bssid
,
6184 ssid
->ssid
, ssid
->ssid_len
, force_freq
,
6185 go_dev_addr
, persistent
, pref_freq
, -1);
6189 void wpas_p2p_completed(struct wpa_supplicant
*wpa_s
)
6191 struct wpa_ssid
*ssid
= wpa_s
->current_ssid
;
6192 u8 go_dev_addr
[ETH_ALEN
];
6193 int network_id
= -1;
6199 if (ssid
== NULL
|| ssid
->mode
!= WPAS_MODE_P2P_GROUP_FORMATION
) {
6200 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
,
6201 wpa_s
->parent
, NULL
);
6204 if (!wpa_s
->show_group_started
|| !ssid
)
6207 wpa_s
->show_group_started
= 0;
6209 os_memset(go_dev_addr
, 0, ETH_ALEN
);
6210 if (ssid
->bssid_set
)
6211 os_memcpy(go_dev_addr
, ssid
->bssid
, ETH_ALEN
);
6212 persistent
= wpas_p2p_persistent_group(wpa_s
, go_dev_addr
, ssid
->ssid
,
6214 os_memcpy(wpa_s
->go_dev_addr
, go_dev_addr
, ETH_ALEN
);
6216 if (wpa_s
->global
->p2p_group_formation
== wpa_s
)
6217 wpa_s
->global
->p2p_group_formation
= NULL
;
6219 freq
= wpa_s
->current_bss
? wpa_s
->current_bss
->freq
:
6220 (int) wpa_s
->assoc_freq
;
6223 if (wpa_sm_get_p2p_ip_addr(wpa_s
->wpa
, ip
) == 0) {
6226 res
= os_snprintf(ip_addr
, sizeof(ip_addr
),
6227 " ip_addr=%u.%u.%u.%u "
6228 "ip_mask=%u.%u.%u.%u go_ip_addr=%u.%u.%u.%u",
6229 ip
[0], ip
[1], ip
[2], ip
[3],
6230 ip
[4], ip
[5], ip
[6], ip
[7],
6231 ip
[8], ip
[9], ip
[10], ip
[11]);
6232 if (os_snprintf_error(sizeof(ip_addr
), res
))
6236 wpas_p2p_group_started(wpa_s
, 0, ssid
, freq
,
6237 ssid
->passphrase
== NULL
&& ssid
->psk_set
?
6239 ssid
->passphrase
, go_dev_addr
, persistent
,
6243 network_id
= wpas_p2p_store_persistent_group(wpa_s
->parent
,
6246 network_id
= ssid
->id
;
6247 wpas_notify_p2p_group_started(wpa_s
, ssid
, network_id
, 1);
6251 int wpas_p2p_presence_req(struct wpa_supplicant
*wpa_s
, u32 duration1
,
6252 u32 interval1
, u32 duration2
, u32 interval2
)
6256 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
6259 if (wpa_s
->wpa_state
< WPA_ASSOCIATED
||
6260 wpa_s
->current_ssid
== NULL
||
6261 wpa_s
->current_ssid
->mode
!= WPAS_MODE_INFRA
)
6264 ret
= p2p_presence_req(wpa_s
->global
->p2p
, wpa_s
->bssid
,
6265 wpa_s
->own_addr
, wpa_s
->assoc_freq
,
6266 duration1
, interval1
, duration2
, interval2
);
6268 wpa_s
->waiting_presence_resp
= 1;
6274 int wpas_p2p_ext_listen(struct wpa_supplicant
*wpa_s
, unsigned int period
,
6275 unsigned int interval
)
6277 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
6280 return p2p_ext_listen(wpa_s
->global
->p2p
, period
, interval
);
6284 static int wpas_p2p_is_client(struct wpa_supplicant
*wpa_s
)
6286 if (wpa_s
->current_ssid
== NULL
) {
6288 * current_ssid can be cleared when P2P client interface gets
6289 * disconnected, so assume this interface was used as P2P
6294 return wpa_s
->current_ssid
->p2p_group
&&
6295 wpa_s
->current_ssid
->mode
== WPAS_MODE_INFRA
;
6299 static void wpas_p2p_group_idle_timeout(void *eloop_ctx
, void *timeout_ctx
)
6301 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
6303 if (wpa_s
->conf
->p2p_group_idle
== 0 && !wpas_p2p_is_client(wpa_s
)) {
6304 wpa_printf(MSG_DEBUG
, "P2P: Ignore group idle timeout - "
6309 wpa_printf(MSG_DEBUG
, "P2P: Group idle timeout reached - terminate "
6311 wpas_p2p_group_delete(wpa_s
, P2P_GROUP_REMOVAL_IDLE_TIMEOUT
);
6315 static void wpas_p2p_set_group_idle_timeout(struct wpa_supplicant
*wpa_s
)
6319 if (eloop_cancel_timeout(wpas_p2p_group_idle_timeout
, wpa_s
, NULL
) > 0)
6320 wpa_printf(MSG_DEBUG
, "P2P: Cancelled P2P group idle timeout");
6322 if (wpa_s
->current_ssid
== NULL
|| !wpa_s
->current_ssid
->p2p_group
)
6325 timeout
= wpa_s
->conf
->p2p_group_idle
;
6326 if (wpa_s
->current_ssid
->mode
== WPAS_MODE_INFRA
&&
6327 (timeout
== 0 || timeout
> P2P_MAX_CLIENT_IDLE
))
6328 timeout
= P2P_MAX_CLIENT_IDLE
;
6334 if (wpa_s
->current_ssid
->mode
== WPAS_MODE_INFRA
)
6335 timeout
= 0; /* special client mode no-timeout */
6340 if (wpa_s
->p2p_in_provisioning
) {
6342 * Use the normal group formation timeout during the
6343 * provisioning phase to avoid terminating this process too
6344 * early due to group idle timeout.
6346 wpa_printf(MSG_DEBUG
, "P2P: Do not use P2P group idle timeout "
6347 "during provisioning");
6351 if (wpa_s
->show_group_started
) {
6353 * Use the normal group formation timeout between the end of
6354 * the provisioning phase and completion of 4-way handshake to
6355 * avoid terminating this process too early due to group idle
6358 wpa_printf(MSG_DEBUG
, "P2P: Do not use P2P group idle timeout "
6359 "while waiting for initial 4-way handshake to "
6364 wpa_printf(MSG_DEBUG
, "P2P: Set P2P group idle timeout to %u seconds",
6366 eloop_register_timeout(timeout
, 0, wpas_p2p_group_idle_timeout
,
6371 /* Returns 1 if the interface was removed */
6372 int wpas_p2p_deauth_notif(struct wpa_supplicant
*wpa_s
, const u8
*bssid
,
6373 u16 reason_code
, const u8
*ie
, size_t ie_len
,
6374 int locally_generated
)
6376 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
6379 if (!locally_generated
)
6380 p2p_deauth_notif(wpa_s
->global
->p2p
, bssid
, reason_code
, ie
,
6383 if (reason_code
== WLAN_REASON_DEAUTH_LEAVING
&& !locally_generated
&&
6384 wpa_s
->current_ssid
&&
6385 wpa_s
->current_ssid
->p2p_group
&&
6386 wpa_s
->current_ssid
->mode
== WPAS_MODE_INFRA
) {
6387 wpa_printf(MSG_DEBUG
, "P2P: GO indicated that the P2P Group "
6388 "session is ending");
6389 if (wpas_p2p_group_delete(wpa_s
,
6390 P2P_GROUP_REMOVAL_GO_ENDING_SESSION
)
6399 void wpas_p2p_disassoc_notif(struct wpa_supplicant
*wpa_s
, const u8
*bssid
,
6400 u16 reason_code
, const u8
*ie
, size_t ie_len
,
6401 int locally_generated
)
6403 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
6406 if (!locally_generated
)
6407 p2p_disassoc_notif(wpa_s
->global
->p2p
, bssid
, reason_code
, ie
,
6412 void wpas_p2p_update_config(struct wpa_supplicant
*wpa_s
)
6414 struct p2p_data
*p2p
= wpa_s
->global
->p2p
;
6419 if (!(wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_P2P_CAPABLE
))
6422 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_DEVICE_NAME
)
6423 p2p_set_dev_name(p2p
, wpa_s
->conf
->device_name
);
6425 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_DEVICE_TYPE
)
6426 p2p_set_pri_dev_type(p2p
, wpa_s
->conf
->device_type
);
6429 (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_CONFIG_METHODS
))
6430 p2p_set_config_methods(p2p
, wpa_s
->wps
->config_methods
);
6432 if (wpa_s
->wps
&& (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_UUID
))
6433 p2p_set_uuid(p2p
, wpa_s
->wps
->uuid
);
6435 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_WPS_STRING
) {
6436 p2p_set_manufacturer(p2p
, wpa_s
->conf
->manufacturer
);
6437 p2p_set_model_name(p2p
, wpa_s
->conf
->model_name
);
6438 p2p_set_model_number(p2p
, wpa_s
->conf
->model_number
);
6439 p2p_set_serial_number(p2p
, wpa_s
->conf
->serial_number
);
6442 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_SEC_DEVICE_TYPE
)
6443 p2p_set_sec_dev_types(p2p
,
6444 (void *) wpa_s
->conf
->sec_device_type
,
6445 wpa_s
->conf
->num_sec_device_types
);
6447 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_VENDOR_EXTENSION
) {
6449 p2p_remove_wps_vendor_extensions(p2p
);
6450 for (i
= 0; i
< MAX_WPS_VENDOR_EXT
; i
++) {
6451 if (wpa_s
->conf
->wps_vendor_ext
[i
] == NULL
)
6453 p2p_add_wps_vendor_extension(
6454 p2p
, wpa_s
->conf
->wps_vendor_ext
[i
]);
6458 if ((wpa_s
->conf
->changed_parameters
& CFG_CHANGED_COUNTRY
) &&
6459 wpa_s
->conf
->country
[0] && wpa_s
->conf
->country
[1]) {
6461 country
[0] = wpa_s
->conf
->country
[0];
6462 country
[1] = wpa_s
->conf
->country
[1];
6464 p2p_set_country(p2p
, country
);
6467 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_P2P_SSID_POSTFIX
) {
6468 p2p_set_ssid_postfix(p2p
, (u8
*) wpa_s
->conf
->p2p_ssid_postfix
,
6469 wpa_s
->conf
->p2p_ssid_postfix
?
6470 os_strlen(wpa_s
->conf
->p2p_ssid_postfix
) :
6474 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_P2P_INTRA_BSS
)
6475 p2p_set_intra_bss_dist(p2p
, wpa_s
->conf
->p2p_intra_bss
);
6477 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_P2P_LISTEN_CHANNEL
) {
6478 u8 reg_class
, channel
;
6483 if (wpa_s
->conf
->p2p_listen_reg_class
&&
6484 wpa_s
->conf
->p2p_listen_channel
) {
6485 reg_class
= wpa_s
->conf
->p2p_listen_reg_class
;
6486 channel
= wpa_s
->conf
->p2p_listen_channel
;
6491 * Pick one of the social channels randomly as the
6494 if (os_get_random((u8
*) &r
, sizeof(r
)) < 0)
6497 channel
= 1 + (r
% 3) * 5;
6500 ret
= p2p_set_listen_channel(p2p
, reg_class
, channel
,
6503 wpa_printf(MSG_ERROR
, "P2P: Own listen channel update "
6506 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_P2P_OPER_CHANNEL
) {
6507 u8 op_reg_class
, op_channel
, cfg_op_channel
;
6510 if (wpa_s
->conf
->p2p_oper_reg_class
&&
6511 wpa_s
->conf
->p2p_oper_channel
) {
6512 op_reg_class
= wpa_s
->conf
->p2p_oper_reg_class
;
6513 op_channel
= wpa_s
->conf
->p2p_oper_channel
;
6518 * Use random operation channel from (1, 6, 11)
6519 *if no other preference is indicated.
6521 if (os_get_random((u8
*) &r
, sizeof(r
)) < 0)
6524 op_channel
= 1 + (r
% 3) * 5;
6527 ret
= p2p_set_oper_channel(p2p
, op_reg_class
, op_channel
,
6530 wpa_printf(MSG_ERROR
, "P2P: Own oper channel update "
6534 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_P2P_PREF_CHAN
) {
6535 if (p2p_set_pref_chan(p2p
, wpa_s
->conf
->num_p2p_pref_chan
,
6536 wpa_s
->conf
->p2p_pref_chan
) < 0) {
6537 wpa_printf(MSG_ERROR
, "P2P: Preferred channel list "
6541 if (p2p_set_no_go_freq(p2p
, &wpa_s
->conf
->p2p_no_go_freq
) < 0) {
6542 wpa_printf(MSG_ERROR
, "P2P: No GO channel list "
6547 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_P2P_PASSPHRASE_LEN
)
6548 p2p_set_passphrase_len(p2p
, wpa_s
->conf
->p2p_passphrase_len
);
6552 int wpas_p2p_set_noa(struct wpa_supplicant
*wpa_s
, u8 count
, int start
,
6555 if (!wpa_s
->ap_iface
)
6557 return hostapd_p2p_set_noa(wpa_s
->ap_iface
->bss
[0], count
, start
,
6562 int wpas_p2p_set_cross_connect(struct wpa_supplicant
*wpa_s
, int enabled
)
6564 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
6567 wpa_s
->global
->cross_connection
= enabled
;
6568 p2p_set_cross_connect(wpa_s
->global
->p2p
, enabled
);
6571 struct wpa_supplicant
*iface
;
6573 for (iface
= wpa_s
->global
->ifaces
; iface
; iface
= iface
->next
)
6575 if (iface
->cross_connect_enabled
== 0)
6578 iface
->cross_connect_enabled
= 0;
6579 iface
->cross_connect_in_use
= 0;
6580 wpa_msg_global(iface
->parent
, MSG_INFO
,
6581 P2P_EVENT_CROSS_CONNECT_DISABLE
"%s %s",
6583 iface
->cross_connect_uplink
);
6591 static void wpas_p2p_enable_cross_connect(struct wpa_supplicant
*uplink
)
6593 struct wpa_supplicant
*iface
;
6595 if (!uplink
->global
->cross_connection
)
6598 for (iface
= uplink
->global
->ifaces
; iface
; iface
= iface
->next
) {
6599 if (!iface
->cross_connect_enabled
)
6601 if (os_strcmp(uplink
->ifname
, iface
->cross_connect_uplink
) !=
6604 if (iface
->ap_iface
== NULL
)
6606 if (iface
->cross_connect_in_use
)
6609 iface
->cross_connect_in_use
= 1;
6610 wpa_msg_global(iface
->parent
, MSG_INFO
,
6611 P2P_EVENT_CROSS_CONNECT_ENABLE
"%s %s",
6612 iface
->ifname
, iface
->cross_connect_uplink
);
6617 static void wpas_p2p_disable_cross_connect(struct wpa_supplicant
*uplink
)
6619 struct wpa_supplicant
*iface
;
6621 for (iface
= uplink
->global
->ifaces
; iface
; iface
= iface
->next
) {
6622 if (!iface
->cross_connect_enabled
)
6624 if (os_strcmp(uplink
->ifname
, iface
->cross_connect_uplink
) !=
6627 if (!iface
->cross_connect_in_use
)
6630 wpa_msg_global(iface
->parent
, MSG_INFO
,
6631 P2P_EVENT_CROSS_CONNECT_DISABLE
"%s %s",
6632 iface
->ifname
, iface
->cross_connect_uplink
);
6633 iface
->cross_connect_in_use
= 0;
6638 void wpas_p2p_notif_connected(struct wpa_supplicant
*wpa_s
)
6640 if (wpa_s
->ap_iface
|| wpa_s
->current_ssid
== NULL
||
6641 wpa_s
->current_ssid
->mode
!= WPAS_MODE_INFRA
||
6642 wpa_s
->cross_connect_disallowed
)
6643 wpas_p2p_disable_cross_connect(wpa_s
);
6645 wpas_p2p_enable_cross_connect(wpa_s
);
6646 if (!wpa_s
->ap_iface
&&
6647 eloop_cancel_timeout(wpas_p2p_group_idle_timeout
, wpa_s
, NULL
) > 0)
6648 wpa_printf(MSG_DEBUG
, "P2P: Cancelled P2P group idle timeout");
6652 void wpas_p2p_notif_disconnected(struct wpa_supplicant
*wpa_s
)
6654 wpas_p2p_disable_cross_connect(wpa_s
);
6655 if (!wpa_s
->ap_iface
&&
6656 !eloop_is_timeout_registered(wpas_p2p_group_idle_timeout
,
6658 wpas_p2p_set_group_idle_timeout(wpa_s
);
6662 static void wpas_p2p_cross_connect_setup(struct wpa_supplicant
*wpa_s
)
6664 struct wpa_supplicant
*iface
;
6666 if (!wpa_s
->global
->cross_connection
)
6669 for (iface
= wpa_s
->global
->ifaces
; iface
; iface
= iface
->next
) {
6672 if (iface
->drv_flags
&
6673 WPA_DRIVER_FLAGS_P2P_DEDICATED_INTERFACE
)
6675 if ((iface
->drv_flags
& WPA_DRIVER_FLAGS_P2P_CAPABLE
) &&
6676 iface
!= wpa_s
->parent
)
6679 wpa_s
->cross_connect_enabled
= 1;
6680 os_strlcpy(wpa_s
->cross_connect_uplink
, iface
->ifname
,
6681 sizeof(wpa_s
->cross_connect_uplink
));
6682 wpa_printf(MSG_DEBUG
, "P2P: Enable cross connection from "
6683 "%s to %s whenever uplink is available",
6684 wpa_s
->ifname
, wpa_s
->cross_connect_uplink
);
6686 if (iface
->ap_iface
|| iface
->current_ssid
== NULL
||
6687 iface
->current_ssid
->mode
!= WPAS_MODE_INFRA
||
6688 iface
->cross_connect_disallowed
||
6689 iface
->wpa_state
!= WPA_COMPLETED
)
6692 wpa_s
->cross_connect_in_use
= 1;
6693 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
6694 P2P_EVENT_CROSS_CONNECT_ENABLE
"%s %s",
6695 wpa_s
->ifname
, wpa_s
->cross_connect_uplink
);
6701 int wpas_p2p_notif_pbc_overlap(struct wpa_supplicant
*wpa_s
)
6703 if (wpa_s
->p2p_group_interface
!= P2P_GROUP_INTERFACE_CLIENT
&&
6704 !wpa_s
->p2p_in_provisioning
)
6705 return 0; /* not P2P client operation */
6707 wpa_printf(MSG_DEBUG
, "P2P: Terminate connection due to WPS PBC "
6709 if (wpa_s
!= wpa_s
->parent
)
6710 wpa_msg_ctrl(wpa_s
->parent
, MSG_INFO
, WPS_EVENT_OVERLAP
);
6711 wpas_p2p_group_formation_failed(wpa_s
);
6716 void wpas_p2p_pbc_overlap_cb(void *eloop_ctx
, void *timeout_ctx
)
6718 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
6719 wpas_p2p_notif_pbc_overlap(wpa_s
);
6723 void wpas_p2p_update_channel_list(struct wpa_supplicant
*wpa_s
)
6725 struct p2p_channels chan
, cli_chan
;
6726 struct wpa_supplicant
*ifs
;
6728 if (wpa_s
->global
== NULL
|| wpa_s
->global
->p2p
== NULL
)
6731 os_memset(&chan
, 0, sizeof(chan
));
6732 os_memset(&cli_chan
, 0, sizeof(cli_chan
));
6733 if (wpas_p2p_setup_channels(wpa_s
, &chan
, &cli_chan
)) {
6734 wpa_printf(MSG_ERROR
, "P2P: Failed to update supported "
6739 p2p_update_channel_list(wpa_s
->global
->p2p
, &chan
, &cli_chan
);
6741 for (ifs
= wpa_s
->global
->ifaces
; ifs
; ifs
= ifs
->next
) {
6743 if (!ifs
->current_ssid
||
6744 !ifs
->current_ssid
->p2p_group
||
6745 (ifs
->current_ssid
->mode
!= WPAS_MODE_P2P_GO
&&
6746 ifs
->current_ssid
->mode
!= WPAS_MODE_P2P_GROUP_FORMATION
))
6748 freq
= ifs
->current_ssid
->frequency
;
6749 if (freq_included(&chan
, freq
)) {
6750 wpa_dbg(ifs
, MSG_DEBUG
,
6751 "P2P GO operating frequency %d MHz in valid range",
6756 wpa_dbg(ifs
, MSG_DEBUG
,
6757 "P2P GO operating in invalid frequency %d MHz", freq
);
6758 /* TODO: Consider using CSA or removing the group within
6760 wpa_msg(ifs
, MSG_INFO
, P2P_EVENT_REMOVE_AND_REFORM_GROUP
);
6765 static void wpas_p2p_scan_res_ignore(struct wpa_supplicant
*wpa_s
,
6766 struct wpa_scan_results
*scan_res
)
6768 wpa_printf(MSG_DEBUG
, "P2P: Ignore scan results");
6772 int wpas_p2p_cancel(struct wpa_supplicant
*wpa_s
)
6774 struct wpa_global
*global
= wpa_s
->global
;
6778 if (global
->p2p
== NULL
)
6781 wpa_printf(MSG_DEBUG
, "P2P: Request to cancel group formation");
6783 if (wpa_s
->pending_interface_name
[0] &&
6784 !is_zero_ether_addr(wpa_s
->pending_interface_addr
))
6787 peer
= p2p_get_go_neg_peer(global
->p2p
);
6789 wpa_printf(MSG_DEBUG
, "P2P: Unauthorize pending GO Neg peer "
6790 MACSTR
, MAC2STR(peer
));
6791 p2p_unauthorize(global
->p2p
, peer
);
6795 if (wpa_s
->scan_res_handler
== wpas_p2p_scan_res_join
) {
6796 wpa_printf(MSG_DEBUG
, "P2P: Stop pending scan for join");
6797 wpa_s
->scan_res_handler
= wpas_p2p_scan_res_ignore
;
6801 if (wpa_s
->pending_pd_before_join
) {
6802 wpa_printf(MSG_DEBUG
, "P2P: Stop pending PD before join");
6803 wpa_s
->pending_pd_before_join
= 0;
6807 wpas_p2p_stop_find(wpa_s
);
6809 for (wpa_s
= global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
6810 if (wpa_s
== global
->p2p_group_formation
&&
6811 (wpa_s
->p2p_in_provisioning
||
6812 wpa_s
->parent
->pending_interface_type
==
6813 WPA_IF_P2P_CLIENT
)) {
6814 wpa_printf(MSG_DEBUG
, "P2P: Interface %s in group "
6815 "formation found - cancelling",
6818 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
,
6819 wpa_s
->parent
, NULL
);
6820 if (wpa_s
->p2p_in_provisioning
) {
6821 wpas_group_formation_completed(wpa_s
, 0);
6824 wpas_p2p_group_delete(wpa_s
,
6825 P2P_GROUP_REMOVAL_REQUESTED
);
6827 } else if (wpa_s
->p2p_in_invitation
) {
6828 wpa_printf(MSG_DEBUG
, "P2P: Interface %s in invitation found - cancelling",
6831 wpas_p2p_group_formation_failed(wpa_s
);
6836 wpa_printf(MSG_DEBUG
, "P2P: No ongoing group formation found");
6844 void wpas_p2p_interface_unavailable(struct wpa_supplicant
*wpa_s
)
6846 if (wpa_s
->current_ssid
== NULL
|| !wpa_s
->current_ssid
->p2p_group
)
6849 wpa_printf(MSG_DEBUG
, "P2P: Remove group due to driver resource not "
6850 "being available anymore");
6851 wpas_p2p_group_delete(wpa_s
, P2P_GROUP_REMOVAL_UNAVAILABLE
);
6855 void wpas_p2p_update_best_channels(struct wpa_supplicant
*wpa_s
,
6856 int freq_24
, int freq_5
, int freq_overall
)
6858 struct p2p_data
*p2p
= wpa_s
->global
->p2p
;
6861 p2p_set_best_channels(p2p
, freq_24
, freq_5
, freq_overall
);
6865 int wpas_p2p_unauthorize(struct wpa_supplicant
*wpa_s
, const char *addr
)
6868 struct p2p_data
*p2p
= wpa_s
->global
->p2p
;
6873 if (hwaddr_aton(addr
, peer
))
6876 return p2p_unauthorize(p2p
, peer
);
6881 * wpas_p2p_disconnect - Disconnect from a P2P Group
6882 * @wpa_s: Pointer to wpa_supplicant data
6883 * Returns: 0 on success, -1 on failure
6885 * This can be used to disconnect from a group in which the local end is a P2P
6886 * Client or to end a P2P Group in case the local end is the Group Owner. If a
6887 * virtual network interface was created for this group, that interface will be
6888 * removed. Otherwise, only the configured P2P group network will be removed
6889 * from the interface.
6891 int wpas_p2p_disconnect(struct wpa_supplicant
*wpa_s
)
6897 return wpas_p2p_group_delete(wpa_s
, P2P_GROUP_REMOVAL_REQUESTED
) < 0 ?
6902 int wpas_p2p_in_progress(struct wpa_supplicant
*wpa_s
)
6906 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
6909 ret
= p2p_in_progress(wpa_s
->global
->p2p
);
6912 * Check whether there is an ongoing WPS provisioning step (or
6913 * other parts of group formation) on another interface since
6914 * p2p_in_progress() does not report this to avoid issues for
6915 * scans during such provisioning step.
6917 if (wpa_s
->global
->p2p_group_formation
&&
6918 wpa_s
->global
->p2p_group_formation
!= wpa_s
) {
6919 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Another interface (%s) "
6920 "in group formation",
6921 wpa_s
->global
->p2p_group_formation
->ifname
);
6926 if (!ret
&& wpa_s
->global
->p2p_go_wait_client
.sec
) {
6927 struct os_reltime now
;
6928 os_get_reltime(&now
);
6929 if (os_reltime_expired(&now
, &wpa_s
->global
->p2p_go_wait_client
,
6930 P2P_MAX_INITIAL_CONN_WAIT_GO
)) {
6931 /* Wait for the first client has expired */
6932 wpa_s
->global
->p2p_go_wait_client
.sec
= 0;
6934 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Waiting for initial client connection during group formation");
6943 void wpas_p2p_network_removed(struct wpa_supplicant
*wpa_s
,
6944 struct wpa_ssid
*ssid
)
6946 if (wpa_s
->p2p_in_provisioning
&& ssid
->p2p_group
&&
6947 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
,
6948 wpa_s
->parent
, NULL
) > 0) {
6950 * Remove the network by scheduling the group formation
6951 * timeout to happen immediately. The teardown code
6952 * needs to be scheduled to run asynch later so that we
6953 * don't delete data from under ourselves unexpectedly.
6954 * Calling wpas_p2p_group_formation_timeout directly
6955 * causes a series of crashes in WPS failure scenarios.
6957 wpa_printf(MSG_DEBUG
, "P2P: Canceled group formation due to "
6958 "P2P group network getting removed");
6959 eloop_register_timeout(0, 0, wpas_p2p_group_formation_timeout
,
6960 wpa_s
->parent
, NULL
);
6965 struct wpa_ssid
* wpas_p2p_get_persistent(struct wpa_supplicant
*wpa_s
,
6966 const u8
*addr
, const u8
*ssid
,
6972 for (s
= wpa_s
->conf
->ssid
; s
; s
= s
->next
) {
6973 if (s
->disabled
!= 2)
6976 (ssid_len
!= s
->ssid_len
||
6977 os_memcmp(ssid
, s
->ssid
, ssid_len
) != 0))
6980 if (s
->mode
== WPAS_MODE_P2P_GO
)
6984 if (os_memcmp(s
->bssid
, addr
, ETH_ALEN
) == 0)
6985 return s
; /* peer is GO in the persistent group */
6986 if (s
->mode
!= WPAS_MODE_P2P_GO
|| s
->p2p_client_list
== NULL
)
6988 for (i
= 0; i
< s
->num_p2p_clients
; i
++) {
6989 if (os_memcmp(s
->p2p_client_list
+ i
* 2 * ETH_ALEN
,
6990 addr
, ETH_ALEN
) == 0)
6991 return s
; /* peer is P2P client in persistent
7000 void wpas_p2p_notify_ap_sta_authorized(struct wpa_supplicant
*wpa_s
,
7003 if (eloop_cancel_timeout(wpas_p2p_group_formation_timeout
,
7004 wpa_s
->parent
, NULL
) > 0) {
7006 * This can happen if WPS provisioning step is not terminated
7007 * cleanly (e.g., P2P Client does not send WSC_Done). Since the
7008 * peer was able to connect, there is no need to time out group
7009 * formation after this, though. In addition, this is used with
7010 * the initial connection wait on the GO as a separate formation
7011 * timeout and as such, expected to be hit after the initial WPS
7012 * provisioning step.
7014 wpa_printf(MSG_DEBUG
, "P2P: Canceled P2P group formation timeout on data connection");
7016 if (!wpa_s
->p2p_go_group_formation_completed
&&
7017 !wpa_s
->group_formation_reported
) {
7019 * GO has not yet notified group formation success since
7020 * the WPS step was not completed cleanly. Do that
7021 * notification now since the P2P Client was able to
7022 * connect and as such, must have received the
7023 * credential from the WPS step.
7025 if (wpa_s
->global
->p2p
)
7026 p2p_wps_success_cb(wpa_s
->global
->p2p
, addr
);
7027 wpas_group_formation_completed(wpa_s
, 1);
7030 if (!wpa_s
->p2p_go_group_formation_completed
) {
7031 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Marking group formation completed on GO on first data connection");
7032 wpa_s
->p2p_go_group_formation_completed
= 1;
7033 wpa_s
->global
->p2p_group_formation
= NULL
;
7034 wpa_s
->p2p_in_provisioning
= 0;
7035 wpa_s
->p2p_in_invitation
= 0;
7037 wpa_s
->global
->p2p_go_wait_client
.sec
= 0;
7040 wpas_p2p_add_persistent_group_client(wpa_s
, addr
);
7044 static int wpas_p2p_fallback_to_go_neg(struct wpa_supplicant
*wpa_s
,
7047 struct wpa_supplicant
*group
= wpa_s
;
7050 if (wpa_s
->global
->p2p_group_formation
)
7051 group
= wpa_s
->global
->p2p_group_formation
;
7052 wpa_s
= wpa_s
->parent
;
7053 offchannel_send_action_done(wpa_s
);
7055 ret
= wpas_p2p_group_delete(group
, P2P_GROUP_REMOVAL_SILENT
);
7056 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Fall back to GO Negotiation");
7057 wpas_p2p_connect(wpa_s
, wpa_s
->pending_join_dev_addr
, wpa_s
->p2p_pin
,
7058 wpa_s
->p2p_wps_method
, wpa_s
->p2p_persistent_group
, 0,
7059 0, 0, wpa_s
->p2p_go_intent
, wpa_s
->p2p_connect_freq
,
7060 wpa_s
->p2p_persistent_id
,
7061 wpa_s
->p2p_pd_before_go_neg
,
7068 int wpas_p2p_scan_no_go_seen(struct wpa_supplicant
*wpa_s
)
7072 if (!wpa_s
->p2p_fallback_to_go_neg
||
7073 wpa_s
->p2p_in_provisioning
<= 5)
7076 if (wpas_p2p_peer_go(wpa_s
, wpa_s
->pending_join_dev_addr
) > 0)
7077 return 0; /* peer operating as a GO */
7079 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: GO not found for p2p_connect-auto - "
7080 "fallback to GO Negotiation");
7081 wpa_msg_global(wpa_s
->parent
, MSG_INFO
, P2P_EVENT_FALLBACK_TO_GO_NEG
7082 "reason=GO-not-found");
7083 res
= wpas_p2p_fallback_to_go_neg(wpa_s
, 1);
7085 return res
== 1 ? 2 : 1;
7089 unsigned int wpas_p2p_search_delay(struct wpa_supplicant
*wpa_s
)
7091 struct wpa_supplicant
*ifs
;
7093 if (wpa_s
->wpa_state
> WPA_SCANNING
) {
7094 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Use %u ms search delay due to "
7095 "concurrent operation",
7096 wpa_s
->conf
->p2p_search_delay
);
7097 return wpa_s
->conf
->p2p_search_delay
;
7100 dl_list_for_each(ifs
, &wpa_s
->radio
->ifaces
, struct wpa_supplicant
,
7102 if (ifs
!= wpa_s
&& ifs
->wpa_state
> WPA_SCANNING
) {
7103 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Use %u ms search "
7104 "delay due to concurrent operation on "
7106 wpa_s
->conf
->p2p_search_delay
,
7108 return wpa_s
->conf
->p2p_search_delay
;
7116 static int wpas_p2p_remove_psk_entry(struct wpa_supplicant
*wpa_s
,
7117 struct wpa_ssid
*s
, const u8
*addr
,
7120 struct psk_list_entry
*psk
, *tmp
;
7123 dl_list_for_each_safe(psk
, tmp
, &s
->psk_list
, struct psk_list_entry
,
7125 if ((iface_addr
&& !psk
->p2p
&&
7126 os_memcmp(addr
, psk
->addr
, ETH_ALEN
) == 0) ||
7127 (!iface_addr
&& psk
->p2p
&&
7128 os_memcmp(addr
, psk
->addr
, ETH_ALEN
) == 0)) {
7129 wpa_dbg(wpa_s
, MSG_DEBUG
,
7130 "P2P: Remove persistent group PSK list entry for "
7132 MAC2STR(psk
->addr
), psk
->p2p
);
7133 dl_list_del(&psk
->list
);
7143 void wpas_p2p_new_psk_cb(struct wpa_supplicant
*wpa_s
, const u8
*mac_addr
,
7144 const u8
*p2p_dev_addr
,
7145 const u8
*psk
, size_t psk_len
)
7147 struct wpa_ssid
*ssid
= wpa_s
->current_ssid
;
7148 struct wpa_ssid
*persistent
;
7149 struct psk_list_entry
*p
, *last
;
7151 if (psk_len
!= sizeof(p
->psk
))
7155 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: New PSK for addr=" MACSTR
7156 " p2p_dev_addr=" MACSTR
,
7157 MAC2STR(mac_addr
), MAC2STR(p2p_dev_addr
));
7158 if (is_zero_ether_addr(p2p_dev_addr
))
7159 p2p_dev_addr
= NULL
;
7161 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: New PSK for addr=" MACSTR
,
7165 if (ssid
->mode
== WPAS_MODE_P2P_GROUP_FORMATION
) {
7166 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: new_psk_cb during group formation");
7167 /* To be added to persistent group once created */
7168 if (wpa_s
->global
->add_psk
== NULL
) {
7169 wpa_s
->global
->add_psk
= os_zalloc(sizeof(*p
));
7170 if (wpa_s
->global
->add_psk
== NULL
)
7173 p
= wpa_s
->global
->add_psk
;
7176 os_memcpy(p
->addr
, p2p_dev_addr
, ETH_ALEN
);
7179 os_memcpy(p
->addr
, mac_addr
, ETH_ALEN
);
7181 os_memcpy(p
->psk
, psk
, psk_len
);
7185 if (ssid
->mode
!= WPAS_MODE_P2P_GO
|| !ssid
->p2p_persistent_group
) {
7186 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Ignore new_psk_cb on not-persistent GO");
7190 persistent
= wpas_p2p_get_persistent(wpa_s
->parent
, NULL
, ssid
->ssid
,
7193 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Could not find persistent group information to store the new PSK");
7197 p
= os_zalloc(sizeof(*p
));
7202 os_memcpy(p
->addr
, p2p_dev_addr
, ETH_ALEN
);
7205 os_memcpy(p
->addr
, mac_addr
, ETH_ALEN
);
7207 os_memcpy(p
->psk
, psk
, psk_len
);
7209 if (dl_list_len(&persistent
->psk_list
) > P2P_MAX_STORED_CLIENTS
&&
7210 (last
= dl_list_last(&persistent
->psk_list
,
7211 struct psk_list_entry
, list
))) {
7212 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Remove oldest PSK entry for "
7213 MACSTR
" (p2p=%u) to make room for a new one",
7214 MAC2STR(last
->addr
), last
->p2p
);
7215 dl_list_del(&last
->list
);
7219 wpas_p2p_remove_psk_entry(wpa_s
->parent
, persistent
,
7220 p2p_dev_addr
? p2p_dev_addr
: mac_addr
,
7221 p2p_dev_addr
== NULL
);
7223 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Add new PSK for p2p_dev_addr="
7224 MACSTR
, MAC2STR(p2p_dev_addr
));
7226 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Add new PSK for addr=" MACSTR
,
7229 dl_list_add(&persistent
->psk_list
, &p
->list
);
7231 if (wpa_s
->parent
->conf
->update_config
&&
7232 wpa_config_write(wpa_s
->parent
->confname
, wpa_s
->parent
->conf
))
7233 wpa_printf(MSG_DEBUG
, "P2P: Failed to update configuration");
7237 static void wpas_p2p_remove_psk(struct wpa_supplicant
*wpa_s
,
7238 struct wpa_ssid
*s
, const u8
*addr
,
7243 res
= wpas_p2p_remove_psk_entry(wpa_s
, s
, addr
, iface_addr
);
7244 if (res
> 0 && wpa_s
->conf
->update_config
&&
7245 wpa_config_write(wpa_s
->confname
, wpa_s
->conf
))
7246 wpa_dbg(wpa_s
, MSG_DEBUG
,
7247 "P2P: Failed to update configuration");
7251 static void wpas_p2p_remove_client_go(struct wpa_supplicant
*wpa_s
,
7252 const u8
*peer
, int iface_addr
)
7254 struct hostapd_data
*hapd
;
7255 struct hostapd_wpa_psk
*psk
, *prev
, *rem
;
7256 struct sta_info
*sta
;
7258 if (wpa_s
->ap_iface
== NULL
|| wpa_s
->current_ssid
== NULL
||
7259 wpa_s
->current_ssid
->mode
!= WPAS_MODE_P2P_GO
)
7262 /* Remove per-station PSK entry */
7263 hapd
= wpa_s
->ap_iface
->bss
[0];
7265 psk
= hapd
->conf
->ssid
.wpa_psk
;
7267 if ((iface_addr
&& os_memcmp(peer
, psk
->addr
, ETH_ALEN
) == 0) ||
7269 os_memcmp(peer
, psk
->p2p_dev_addr
, ETH_ALEN
) == 0)) {
7270 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Remove operating group PSK entry for "
7271 MACSTR
" iface_addr=%d",
7272 MAC2STR(peer
), iface_addr
);
7274 prev
->next
= psk
->next
;
7276 hapd
->conf
->ssid
.wpa_psk
= psk
->next
;
7286 /* Disconnect from group */
7288 sta
= ap_get_sta(hapd
, peer
);
7290 sta
= ap_get_sta_p2p(hapd
, peer
);
7292 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Disconnect peer " MACSTR
7293 " (iface_addr=%d) from group",
7294 MAC2STR(peer
), iface_addr
);
7295 hostapd_drv_sta_deauth(hapd
, sta
->addr
,
7296 WLAN_REASON_DEAUTH_LEAVING
);
7297 ap_sta_deauthenticate(hapd
, sta
, WLAN_REASON_DEAUTH_LEAVING
);
7302 void wpas_p2p_remove_client(struct wpa_supplicant
*wpa_s
, const u8
*peer
,
7306 struct wpa_supplicant
*w
;
7308 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Remove client " MACSTR
, MAC2STR(peer
));
7310 /* Remove from any persistent group */
7311 for (s
= wpa_s
->parent
->conf
->ssid
; s
; s
= s
->next
) {
7312 if (s
->disabled
!= 2 || s
->mode
!= WPAS_MODE_P2P_GO
)
7315 wpas_remove_persistent_peer(wpa_s
, s
, peer
, 0);
7316 wpas_p2p_remove_psk(wpa_s
->parent
, s
, peer
, iface_addr
);
7319 /* Remove from any operating group */
7320 for (w
= wpa_s
->global
->ifaces
; w
; w
= w
->next
)
7321 wpas_p2p_remove_client_go(w
, peer
, iface_addr
);
7325 static void wpas_p2p_psk_failure_removal(void *eloop_ctx
, void *timeout_ctx
)
7327 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
7328 wpas_p2p_group_delete(wpa_s
, P2P_GROUP_REMOVAL_PSK_FAILURE
);
7332 static void wpas_p2p_group_freq_conflict(void *eloop_ctx
, void *timeout_ctx
)
7334 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
7336 wpa_printf(MSG_DEBUG
, "P2P: Frequency conflict - terminate group");
7337 wpas_p2p_group_delete(wpa_s
, P2P_GROUP_REMOVAL_FREQ_CONFLICT
);
7341 int wpas_p2p_handle_frequency_conflicts(struct wpa_supplicant
*wpa_s
, int freq
,
7342 struct wpa_ssid
*ssid
)
7344 struct wpa_supplicant
*iface
;
7346 for (iface
= wpa_s
->global
->ifaces
; iface
; iface
= iface
->next
) {
7347 if (!iface
->current_ssid
||
7348 iface
->current_ssid
->frequency
== freq
||
7349 (iface
->p2p_group_interface
== NOT_P2P_GROUP_INTERFACE
&&
7350 !iface
->current_ssid
->p2p_group
))
7353 /* Remove the connection with least priority */
7354 if (!wpas_is_p2p_prioritized(iface
)) {
7355 /* STA connection has priority over existing
7356 * P2P connection, so remove the interface. */
7357 wpa_printf(MSG_DEBUG
, "P2P: Removing P2P connection due to single channel concurrent mode frequency conflict");
7358 eloop_register_timeout(0, 0,
7359 wpas_p2p_group_freq_conflict
,
7361 /* If connection in progress is P2P connection, do not
7362 * proceed for the connection. */
7368 /* P2P connection has priority, disable the STA network
7370 wpa_supplicant_disable_network(wpa_s
->global
->ifaces
,
7372 wpa_msg(wpa_s
->global
->ifaces
, MSG_INFO
,
7373 WPA_EVENT_FREQ_CONFLICT
" id=%d", ssid
->id
);
7374 os_memset(wpa_s
->global
->ifaces
->pending_bssid
, 0,
7376 /* If P2P connection is in progress, continue
7389 int wpas_p2p_4way_hs_failed(struct wpa_supplicant
*wpa_s
)
7391 struct wpa_ssid
*ssid
= wpa_s
->current_ssid
;
7393 if (ssid
== NULL
|| !ssid
->p2p_group
)
7396 if (wpa_s
->p2p_last_4way_hs_fail
&&
7397 wpa_s
->p2p_last_4way_hs_fail
== ssid
) {
7398 u8 go_dev_addr
[ETH_ALEN
];
7399 struct wpa_ssid
*persistent
;
7401 if (wpas_p2p_persistent_group(wpa_s
, go_dev_addr
,
7403 ssid
->ssid_len
) <= 0) {
7404 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Could not determine whether 4-way handshake failures were for a persistent group");
7408 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Two 4-way handshake failures for a P2P group - go_dev_addr="
7409 MACSTR
, MAC2STR(go_dev_addr
));
7410 persistent
= wpas_p2p_get_persistent(wpa_s
->parent
, go_dev_addr
,
7413 if (persistent
== NULL
|| persistent
->mode
!= WPAS_MODE_INFRA
) {
7414 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: No matching persistent group stored");
7417 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
7418 P2P_EVENT_PERSISTENT_PSK_FAIL
"%d",
7421 wpa_s
->p2p_last_4way_hs_fail
= NULL
;
7423 * Remove the group from a timeout to avoid issues with caller
7424 * continuing to use the interface if this is on a P2P group
7427 eloop_register_timeout(0, 0, wpas_p2p_psk_failure_removal
,
7432 wpa_s
->p2p_last_4way_hs_fail
= ssid
;
7437 #ifdef CONFIG_WPS_NFC
7439 static struct wpabuf
* wpas_p2p_nfc_handover(int ndef
, struct wpabuf
*wsc
,
7447 wpa_printf(MSG_DEBUG
, "P2P: No p2p buffer for handover");
7451 wsc_len
= wsc
? wpabuf_len(wsc
) : 0;
7452 ret
= wpabuf_alloc(2 + wsc_len
+ 2 + wpabuf_len(p2p
));
7459 wpabuf_put_be16(ret
, wsc_len
);
7461 wpabuf_put_buf(ret
, wsc
);
7462 wpabuf_put_be16(ret
, wpabuf_len(p2p
));
7463 wpabuf_put_buf(ret
, p2p
);
7467 wpa_hexdump_buf(MSG_DEBUG
,
7468 "P2P: Generated NFC connection handover message", ret
);
7472 tmp
= ndef_build_p2p(ret
);
7475 wpa_printf(MSG_DEBUG
, "P2P: Failed to NDEF encapsulate handover request");
7485 static int wpas_p2p_cli_freq(struct wpa_supplicant
*wpa_s
,
7486 struct wpa_ssid
**ssid
, u8
*go_dev_addr
)
7488 struct wpa_supplicant
*iface
;
7491 os_memset(go_dev_addr
, 0, ETH_ALEN
);
7494 for (iface
= wpa_s
->global
->ifaces
; iface
; iface
= iface
->next
) {
7495 if (iface
->wpa_state
< WPA_ASSOCIATING
||
7496 iface
->current_ssid
== NULL
|| iface
->assoc_freq
== 0 ||
7497 !iface
->current_ssid
->p2p_group
||
7498 iface
->current_ssid
->mode
!= WPAS_MODE_INFRA
)
7501 *ssid
= iface
->current_ssid
;
7503 os_memcpy(go_dev_addr
, iface
->go_dev_addr
, ETH_ALEN
);
7504 return iface
->assoc_freq
;
7510 struct wpabuf
* wpas_p2p_nfc_handover_req(struct wpa_supplicant
*wpa_s
,
7513 struct wpabuf
*wsc
, *p2p
;
7514 struct wpa_ssid
*ssid
;
7515 u8 go_dev_addr
[ETH_ALEN
];
7516 int cli_freq
= wpas_p2p_cli_freq(wpa_s
, &ssid
, go_dev_addr
);
7518 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
) {
7519 wpa_printf(MSG_DEBUG
, "P2P: P2P disabled - cannot build handover request");
7523 if (wpa_s
->conf
->wps_nfc_dh_pubkey
== NULL
&&
7524 wps_nfc_gen_dh(&wpa_s
->conf
->wps_nfc_dh_pubkey
,
7525 &wpa_s
->conf
->wps_nfc_dh_privkey
) < 0) {
7526 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: No DH key available for handover request");
7530 if (cli_freq
== 0) {
7531 wsc
= wps_build_nfc_handover_req_p2p(
7532 wpa_s
->parent
->wps
, wpa_s
->conf
->wps_nfc_dh_pubkey
);
7535 p2p
= p2p_build_nfc_handover_req(wpa_s
->global
->p2p
, cli_freq
,
7536 go_dev_addr
, ssid
? ssid
->ssid
: NULL
,
7537 ssid
? ssid
->ssid_len
: 0);
7539 return wpas_p2p_nfc_handover(ndef
, wsc
, p2p
);
7543 struct wpabuf
* wpas_p2p_nfc_handover_sel(struct wpa_supplicant
*wpa_s
,
7546 struct wpabuf
*wsc
, *p2p
;
7547 struct wpa_ssid
*ssid
;
7548 u8 go_dev_addr
[ETH_ALEN
];
7549 int cli_freq
= wpas_p2p_cli_freq(wpa_s
, &ssid
, go_dev_addr
);
7551 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
7554 if (!tag
&& wpa_s
->conf
->wps_nfc_dh_pubkey
== NULL
&&
7555 wps_nfc_gen_dh(&wpa_s
->conf
->wps_nfc_dh_pubkey
,
7556 &wpa_s
->conf
->wps_nfc_dh_privkey
) < 0)
7559 if (cli_freq
== 0) {
7560 wsc
= wps_build_nfc_handover_sel_p2p(
7562 tag
? wpa_s
->conf
->wps_nfc_dev_pw_id
:
7563 DEV_PW_NFC_CONNECTION_HANDOVER
,
7564 wpa_s
->conf
->wps_nfc_dh_pubkey
,
7565 tag
? wpa_s
->conf
->wps_nfc_dev_pw
: NULL
);
7568 p2p
= p2p_build_nfc_handover_sel(wpa_s
->global
->p2p
, cli_freq
,
7569 go_dev_addr
, ssid
? ssid
->ssid
: NULL
,
7570 ssid
? ssid
->ssid_len
: 0);
7572 return wpas_p2p_nfc_handover(ndef
, wsc
, p2p
);
7576 static int wpas_p2p_nfc_join_group(struct wpa_supplicant
*wpa_s
,
7577 struct p2p_nfc_params
*params
)
7579 wpa_printf(MSG_DEBUG
, "P2P: Initiate join-group based on NFC "
7580 "connection handover (freq=%d)",
7583 if (params
->go_freq
&& params
->go_ssid_len
) {
7584 wpa_s
->p2p_wps_method
= WPS_NFC
;
7585 wpa_s
->pending_join_wps_method
= WPS_NFC
;
7586 os_memset(wpa_s
->pending_join_iface_addr
, 0, ETH_ALEN
);
7587 os_memcpy(wpa_s
->pending_join_dev_addr
, params
->go_dev_addr
,
7589 return wpas_p2p_join_start(wpa_s
, params
->go_freq
,
7591 params
->go_ssid_len
);
7594 return wpas_p2p_connect(wpa_s
, params
->peer
->p2p_device_addr
, NULL
,
7595 WPS_NFC
, 0, 0, 1, 0, wpa_s
->conf
->p2p_go_intent
,
7596 params
->go_freq
, -1, 0, 1, 1);
7600 static int wpas_p2p_nfc_auth_join(struct wpa_supplicant
*wpa_s
,
7601 struct p2p_nfc_params
*params
, int tag
)
7603 int res
, persistent
;
7604 struct wpa_ssid
*ssid
;
7606 wpa_printf(MSG_DEBUG
, "P2P: Authorize join-group based on NFC "
7607 "connection handover");
7608 for (wpa_s
= wpa_s
->global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
7609 ssid
= wpa_s
->current_ssid
;
7612 if (ssid
->mode
!= WPAS_MODE_P2P_GO
)
7614 if (wpa_s
->ap_iface
== NULL
)
7618 if (wpa_s
== NULL
) {
7619 wpa_printf(MSG_DEBUG
, "P2P: Could not find GO interface");
7623 if (wpa_s
->parent
->p2p_oob_dev_pw_id
!=
7624 DEV_PW_NFC_CONNECTION_HANDOVER
&&
7625 !wpa_s
->parent
->p2p_oob_dev_pw
) {
7626 wpa_printf(MSG_DEBUG
, "P2P: No NFC Dev Pw known");
7629 res
= wpas_ap_wps_add_nfc_pw(
7630 wpa_s
, wpa_s
->parent
->p2p_oob_dev_pw_id
,
7631 wpa_s
->parent
->p2p_oob_dev_pw
,
7632 wpa_s
->parent
->p2p_peer_oob_pk_hash_known
?
7633 wpa_s
->parent
->p2p_peer_oob_pubkey_hash
: NULL
);
7638 wpa_printf(MSG_DEBUG
, "P2P: Negotiated handover - wait for peer to join without invitation");
7642 if (!params
->peer
||
7643 !(params
->peer
->dev_capab
& P2P_DEV_CAPAB_INVITATION_PROCEDURE
))
7646 wpa_printf(MSG_DEBUG
, "P2P: Static handover - invite peer " MACSTR
7647 " to join", MAC2STR(params
->peer
->p2p_device_addr
));
7649 wpa_s
->global
->p2p_invite_group
= wpa_s
;
7650 persistent
= ssid
->p2p_persistent_group
&&
7651 wpas_p2p_get_persistent(wpa_s
->parent
,
7652 params
->peer
->p2p_device_addr
,
7653 ssid
->ssid
, ssid
->ssid_len
);
7654 wpa_s
->parent
->pending_invite_ssid_id
= -1;
7656 return p2p_invite(wpa_s
->global
->p2p
, params
->peer
->p2p_device_addr
,
7657 P2P_INVITE_ROLE_ACTIVE_GO
, wpa_s
->own_addr
,
7658 ssid
->ssid
, ssid
->ssid_len
, ssid
->frequency
,
7659 wpa_s
->global
->p2p_dev_addr
, persistent
, 0,
7660 wpa_s
->parent
->p2p_oob_dev_pw_id
);
7664 static int wpas_p2p_nfc_init_go_neg(struct wpa_supplicant
*wpa_s
,
7665 struct p2p_nfc_params
*params
,
7668 wpa_printf(MSG_DEBUG
, "P2P: Initiate GO Negotiation based on NFC "
7669 "connection handover");
7670 return wpas_p2p_connect(wpa_s
, params
->peer
->p2p_device_addr
, NULL
,
7671 WPS_NFC
, 0, 0, 0, 0, wpa_s
->conf
->p2p_go_intent
,
7672 forced_freq
, -1, 0, 1, 1);
7676 static int wpas_p2p_nfc_resp_go_neg(struct wpa_supplicant
*wpa_s
,
7677 struct p2p_nfc_params
*params
,
7682 wpa_printf(MSG_DEBUG
, "P2P: Authorize GO Negotiation based on NFC "
7683 "connection handover");
7684 res
= wpas_p2p_connect(wpa_s
, params
->peer
->p2p_device_addr
, NULL
,
7685 WPS_NFC
, 0, 0, 0, 1, wpa_s
->conf
->p2p_go_intent
,
7686 forced_freq
, -1, 0, 1, 1);
7690 res
= wpas_p2p_listen(wpa_s
, 60);
7692 p2p_unauthorize(wpa_s
->global
->p2p
,
7693 params
->peer
->p2p_device_addr
);
7700 static int wpas_p2p_nfc_connection_handover(struct wpa_supplicant
*wpa_s
,
7701 const struct wpabuf
*data
,
7702 int sel
, int tag
, int forced_freq
)
7704 const u8
*pos
, *end
;
7706 struct p2p_nfc_params params
;
7709 os_memset(¶ms
, 0, sizeof(params
));
7712 wpa_hexdump_buf(MSG_DEBUG
, "P2P: Received NFC tag payload", data
);
7714 pos
= wpabuf_head(data
);
7715 end
= pos
+ wpabuf_len(data
);
7717 if (end
- pos
< 2) {
7718 wpa_printf(MSG_DEBUG
, "P2P: Not enough data for Length of WSC "
7722 len
= WPA_GET_BE16(pos
);
7724 if (len
> end
- pos
) {
7725 wpa_printf(MSG_DEBUG
, "P2P: Not enough data for WSC "
7729 params
.wsc_attr
= pos
;
7730 params
.wsc_len
= len
;
7733 if (end
- pos
< 2) {
7734 wpa_printf(MSG_DEBUG
, "P2P: Not enough data for Length of P2P "
7738 len
= WPA_GET_BE16(pos
);
7740 if (len
> end
- pos
) {
7741 wpa_printf(MSG_DEBUG
, "P2P: Not enough data for P2P "
7745 params
.p2p_attr
= pos
;
7746 params
.p2p_len
= len
;
7749 wpa_hexdump(MSG_DEBUG
, "P2P: WSC attributes",
7750 params
.wsc_attr
, params
.wsc_len
);
7751 wpa_hexdump(MSG_DEBUG
, "P2P: P2P attributes",
7752 params
.p2p_attr
, params
.p2p_len
);
7754 wpa_hexdump(MSG_DEBUG
,
7755 "P2P: Ignored extra data after P2P attributes",
7759 res
= p2p_process_nfc_connection_handover(wpa_s
->global
->p2p
, ¶ms
);
7763 if (params
.next_step
== NO_ACTION
)
7766 if (params
.next_step
== BOTH_GO
) {
7767 wpa_msg(wpa_s
, MSG_INFO
, P2P_EVENT_NFC_BOTH_GO
"peer=" MACSTR
,
7768 MAC2STR(params
.peer
->p2p_device_addr
));
7772 if (params
.next_step
== PEER_CLIENT
) {
7773 if (!is_zero_ether_addr(params
.go_dev_addr
)) {
7774 wpa_msg(wpa_s
, MSG_INFO
, P2P_EVENT_NFC_PEER_CLIENT
7775 "peer=" MACSTR
" freq=%d go_dev_addr=" MACSTR
7777 MAC2STR(params
.peer
->p2p_device_addr
),
7779 MAC2STR(params
.go_dev_addr
),
7780 wpa_ssid_txt(params
.go_ssid
,
7781 params
.go_ssid_len
));
7783 wpa_msg(wpa_s
, MSG_INFO
, P2P_EVENT_NFC_PEER_CLIENT
7784 "peer=" MACSTR
" freq=%d",
7785 MAC2STR(params
.peer
->p2p_device_addr
),
7791 if (wpas_p2p_cli_freq(wpa_s
, NULL
, NULL
)) {
7792 wpa_msg(wpa_s
, MSG_INFO
, P2P_EVENT_NFC_WHILE_CLIENT
"peer="
7793 MACSTR
, MAC2STR(params
.peer
->p2p_device_addr
));
7797 wpabuf_free(wpa_s
->p2p_oob_dev_pw
);
7798 wpa_s
->p2p_oob_dev_pw
= NULL
;
7800 if (params
.oob_dev_pw_len
< WPS_OOB_PUBKEY_HASH_LEN
+ 2) {
7801 wpa_printf(MSG_DEBUG
, "P2P: No peer OOB Dev Pw "
7806 id
= WPA_GET_BE16(params
.oob_dev_pw
+ WPS_OOB_PUBKEY_HASH_LEN
);
7807 wpa_printf(MSG_DEBUG
, "P2P: Peer OOB Dev Pw %u", id
);
7808 wpa_hexdump(MSG_DEBUG
, "P2P: Peer OOB Public Key hash",
7809 params
.oob_dev_pw
, WPS_OOB_PUBKEY_HASH_LEN
);
7810 os_memcpy(wpa_s
->p2p_peer_oob_pubkey_hash
,
7811 params
.oob_dev_pw
, WPS_OOB_PUBKEY_HASH_LEN
);
7812 wpa_s
->p2p_peer_oob_pk_hash_known
= 1;
7816 wpa_printf(MSG_DEBUG
, "P2P: Static handover - invalid "
7817 "peer OOB Device Password Id %u", id
);
7820 wpa_printf(MSG_DEBUG
, "P2P: Static handover - use peer OOB "
7821 "Device Password Id %u", id
);
7822 wpa_hexdump_key(MSG_DEBUG
, "P2P: Peer OOB Device Password",
7823 params
.oob_dev_pw
+ WPS_OOB_PUBKEY_HASH_LEN
+ 2,
7824 params
.oob_dev_pw_len
-
7825 WPS_OOB_PUBKEY_HASH_LEN
- 2);
7826 wpa_s
->p2p_oob_dev_pw_id
= id
;
7827 wpa_s
->p2p_oob_dev_pw
= wpabuf_alloc_copy(
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 if (wpa_s
->p2p_oob_dev_pw
== NULL
)
7834 if (wpa_s
->conf
->wps_nfc_dh_pubkey
== NULL
&&
7835 wps_nfc_gen_dh(&wpa_s
->conf
->wps_nfc_dh_pubkey
,
7836 &wpa_s
->conf
->wps_nfc_dh_privkey
) < 0)
7839 wpa_printf(MSG_DEBUG
, "P2P: Using abbreviated WPS handshake "
7840 "without Device Password");
7841 wpa_s
->p2p_oob_dev_pw_id
= DEV_PW_NFC_CONNECTION_HANDOVER
;
7844 switch (params
.next_step
) {
7848 /* already covered above */
7851 return wpas_p2p_nfc_join_group(wpa_s
, ¶ms
);
7853 return wpas_p2p_nfc_auth_join(wpa_s
, ¶ms
, tag
);
7855 return wpas_p2p_nfc_init_go_neg(wpa_s
, ¶ms
, forced_freq
);
7857 /* TODO: use own OOB Dev Pw */
7858 return wpas_p2p_nfc_resp_go_neg(wpa_s
, ¶ms
, forced_freq
);
7865 int wpas_p2p_nfc_tag_process(struct wpa_supplicant
*wpa_s
,
7866 const struct wpabuf
*data
, int forced_freq
)
7868 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
7871 return wpas_p2p_nfc_connection_handover(wpa_s
, data
, 1, 1, forced_freq
);
7875 int wpas_p2p_nfc_report_handover(struct wpa_supplicant
*wpa_s
, int init
,
7876 const struct wpabuf
*req
,
7877 const struct wpabuf
*sel
, int forced_freq
)
7882 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
7885 wpa_printf(MSG_DEBUG
, "NFC: P2P connection handover reported");
7887 wpa_hexdump_ascii(MSG_DEBUG
, "NFC: Req",
7888 wpabuf_head(req
), wpabuf_len(req
));
7889 wpa_hexdump_ascii(MSG_DEBUG
, "NFC: Sel",
7890 wpabuf_head(sel
), wpabuf_len(sel
));
7892 wpa_printf(MSG_DEBUG
, "NFC: Forced freq %d", forced_freq
);
7893 tmp
= ndef_parse_p2p(init
? sel
: req
);
7895 wpa_printf(MSG_DEBUG
, "P2P: Could not parse NDEF");
7899 ret
= wpas_p2p_nfc_connection_handover(wpa_s
, tmp
, init
, 0,
7907 int wpas_p2p_nfc_tag_enabled(struct wpa_supplicant
*wpa_s
, int enabled
)
7910 int go_intent
= wpa_s
->conf
->p2p_go_intent
;
7911 struct wpa_supplicant
*iface
;
7913 if (wpa_s
->global
->p2p
== NULL
)
7917 wpa_printf(MSG_DEBUG
, "P2P: Disable use of own NFC Tag");
7918 for (iface
= wpa_s
->global
->ifaces
; iface
; iface
= iface
->next
)
7920 if (!iface
->ap_iface
)
7922 hostapd_wps_nfc_token_disable(iface
->ap_iface
->bss
[0]);
7924 p2p_set_authorized_oob_dev_pw_id(wpa_s
->global
->p2p
, 0,
7926 if (wpa_s
->p2p_nfc_tag_enabled
)
7927 wpas_p2p_remove_pending_group_interface(wpa_s
);
7928 wpa_s
->p2p_nfc_tag_enabled
= 0;
7932 if (wpa_s
->global
->p2p_disabled
)
7935 if (wpa_s
->conf
->wps_nfc_dh_pubkey
== NULL
||
7936 wpa_s
->conf
->wps_nfc_dh_privkey
== NULL
||
7937 wpa_s
->conf
->wps_nfc_dev_pw
== NULL
||
7938 wpa_s
->conf
->wps_nfc_dev_pw_id
< 0x10) {
7939 wpa_printf(MSG_DEBUG
, "P2P: NFC password token not configured "
7940 "to allow static handover cases");
7944 wpa_printf(MSG_DEBUG
, "P2P: Enable use of own NFC Tag");
7946 wpa_s
->p2p_oob_dev_pw_id
= wpa_s
->conf
->wps_nfc_dev_pw_id
;
7947 wpabuf_free(wpa_s
->p2p_oob_dev_pw
);
7948 wpa_s
->p2p_oob_dev_pw
= wpabuf_dup(wpa_s
->conf
->wps_nfc_dev_pw
);
7949 if (wpa_s
->p2p_oob_dev_pw
== NULL
)
7951 wpa_s
->p2p_peer_oob_pk_hash_known
= 0;
7953 if (wpa_s
->p2p_group_interface
== P2P_GROUP_INTERFACE_GO
||
7954 wpa_s
->p2p_group_interface
== P2P_GROUP_INTERFACE_CLIENT
) {
7956 * P2P Group Interface present and the command came on group
7957 * interface, so enable the token for the current interface.
7959 wpa_s
->create_p2p_iface
= 0;
7961 wpa_s
->create_p2p_iface
= wpas_p2p_create_iface(wpa_s
);
7964 if (wpa_s
->create_p2p_iface
) {
7965 enum wpa_driver_if_type iftype
;
7966 /* Prepare to add a new interface for the group */
7967 iftype
= WPA_IF_P2P_GROUP
;
7968 if (go_intent
== 15)
7969 iftype
= WPA_IF_P2P_GO
;
7970 if (wpas_p2p_add_group_interface(wpa_s
, iftype
) < 0) {
7971 wpa_printf(MSG_ERROR
, "P2P: Failed to allocate a new "
7972 "interface for the group");
7976 if_addr
= wpa_s
->pending_interface_addr
;
7978 if_addr
= wpa_s
->own_addr
;
7980 wpa_s
->p2p_nfc_tag_enabled
= enabled
;
7982 for (iface
= wpa_s
->global
->ifaces
; iface
; iface
= iface
->next
) {
7983 struct hostapd_data
*hapd
;
7984 if (iface
->ap_iface
== NULL
)
7986 hapd
= iface
->ap_iface
->bss
[0];
7987 wpabuf_free(hapd
->conf
->wps_nfc_dh_pubkey
);
7988 hapd
->conf
->wps_nfc_dh_pubkey
=
7989 wpabuf_dup(wpa_s
->conf
->wps_nfc_dh_pubkey
);
7990 wpabuf_free(hapd
->conf
->wps_nfc_dh_privkey
);
7991 hapd
->conf
->wps_nfc_dh_privkey
=
7992 wpabuf_dup(wpa_s
->conf
->wps_nfc_dh_privkey
);
7993 wpabuf_free(hapd
->conf
->wps_nfc_dev_pw
);
7994 hapd
->conf
->wps_nfc_dev_pw
=
7995 wpabuf_dup(wpa_s
->conf
->wps_nfc_dev_pw
);
7996 hapd
->conf
->wps_nfc_dev_pw_id
= wpa_s
->conf
->wps_nfc_dev_pw_id
;
7998 if (hostapd_wps_nfc_token_enable(iface
->ap_iface
->bss
[0]) < 0) {
7999 wpa_dbg(iface
, MSG_DEBUG
,
8000 "P2P: Failed to enable NFC Tag for GO");
8003 p2p_set_authorized_oob_dev_pw_id(
8004 wpa_s
->global
->p2p
, wpa_s
->conf
->wps_nfc_dev_pw_id
, go_intent
,
8010 #endif /* CONFIG_WPS_NFC */
8013 static void wpas_p2p_optimize_listen_channel(struct wpa_supplicant
*wpa_s
,
8014 struct wpa_used_freq_data
*freqs
,
8017 u8 curr_chan
, cand
, chan
;
8020 curr_chan
= p2p_get_listen_channel(wpa_s
->global
->p2p
);
8021 for (i
= 0, cand
= 0; i
< num
; i
++) {
8022 ieee80211_freq_to_chan(freqs
[i
].freq
, &chan
);
8023 if (curr_chan
== chan
) {
8028 if (chan
== 1 || chan
== 6 || chan
== 11)
8033 wpa_dbg(wpa_s
, MSG_DEBUG
,
8034 "P2P: Update Listen channel to %u based on operating channel",
8036 p2p_set_listen_channel(wpa_s
->global
->p2p
, 81, cand
, 0);
8041 void wpas_p2p_indicate_state_change(struct wpa_supplicant
*wpa_s
)
8043 struct wpa_used_freq_data
*freqs
;
8044 unsigned int num
= wpa_s
->num_multichan_concurrent
;
8046 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
8050 * If possible, optimize the Listen channel to be a channel that is
8051 * already used by one of the other interfaces.
8053 if (!wpa_s
->conf
->p2p_optimize_listen_chan
)
8056 if (!wpa_s
->current_ssid
|| wpa_s
->wpa_state
!= WPA_COMPLETED
)
8059 freqs
= os_calloc(num
, sizeof(struct wpa_used_freq_data
));
8063 num
= get_shared_radio_freqs_data(wpa_s
, freqs
, num
);
8065 wpas_p2p_optimize_listen_channel(wpa_s
, freqs
, num
);
8070 void wpas_p2p_deinit_iface(struct wpa_supplicant
*wpa_s
)
8072 if (wpa_s
== wpa_s
->global
->p2p_init_wpa_s
&& wpa_s
->global
->p2p
) {
8073 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Disable P2P since removing "
8074 "the management interface is being removed");
8075 wpas_p2p_deinit_global(wpa_s
->global
);
8080 void wpas_p2p_ap_deinit(struct wpa_supplicant
*wpa_s
)
8082 if (wpa_s
->ap_iface
->bss
)
8083 wpa_s
->ap_iface
->bss
[0]->p2p_group
= NULL
;
8084 wpas_p2p_group_deinit(wpa_s
);