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
)
195 /* Use the wpa_s used to control the P2P Device operation */
196 wpa_s
= wpa_s
->global
->p2p_init_wpa_s
;
198 if (wpa_s
->conf
->p2p_ignore_shared_freq
&&
199 freq
> 0 && wpa_s
->num_multichan_concurrent
> 1 &&
200 wpas_p2p_num_unused_channels(wpa_s
) > 0) {
201 wpa_printf(MSG_DEBUG
, "P2P: Ignore own channel preference %d MHz due to p2p_ignore_shared_freq=1 configuration",
205 p2p_set_own_freq_preference(wpa_s
->global
->p2p
, freq
);
209 static void wpas_p2p_scan_res_handler(struct wpa_supplicant
*wpa_s
,
210 struct wpa_scan_results
*scan_res
)
214 if (wpa_s
->p2p_scan_work
) {
215 struct wpa_radio_work
*work
= wpa_s
->p2p_scan_work
;
216 wpa_s
->p2p_scan_work
= NULL
;
217 radio_work_done(work
);
220 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
223 wpa_printf(MSG_DEBUG
, "P2P: Scan results received (%d BSS)",
224 (int) scan_res
->num
);
226 for (i
= 0; i
< scan_res
->num
; i
++) {
227 struct wpa_scan_res
*bss
= scan_res
->res
[i
];
228 struct os_reltime time_tmp_age
, entry_ts
;
232 time_tmp_age
.sec
= bss
->age
/ 1000;
233 time_tmp_age
.usec
= (bss
->age
% 1000) * 1000;
234 os_reltime_sub(&scan_res
->fetch_time
, &time_tmp_age
, &entry_ts
);
236 ies
= (const u8
*) (bss
+ 1);
237 ies_len
= bss
->ie_len
;
238 if (bss
->beacon_ie_len
> 0 &&
239 !wpa_scan_get_vendor_ie(bss
, P2P_IE_VENDOR_TYPE
) &&
240 wpa_scan_get_vendor_ie_beacon(bss
, P2P_IE_VENDOR_TYPE
)) {
241 wpa_printf(MSG_DEBUG
, "P2P: Use P2P IE(s) from Beacon frame since no P2P IE(s) in Probe Response frames received for "
242 MACSTR
, MAC2STR(bss
->bssid
));
244 ies_len
= bss
->beacon_ie_len
;
248 if (p2p_scan_res_handler(wpa_s
->global
->p2p
, bss
->bssid
,
249 bss
->freq
, &entry_ts
, bss
->level
,
254 p2p_scan_res_handled(wpa_s
->global
->p2p
);
258 static void wpas_p2p_trigger_scan_cb(struct wpa_radio_work
*work
, int deinit
)
260 struct wpa_supplicant
*wpa_s
= work
->wpa_s
;
261 struct wpa_driver_scan_params
*params
= work
->ctx
;
265 if (!work
->started
) {
266 wpa_scan_free_params(params
);
270 wpa_s
->p2p_scan_work
= NULL
;
274 ret
= wpa_drv_scan(wpa_s
, params
);
275 wpa_scan_free_params(params
);
278 radio_work_done(work
);
279 p2p_notify_scan_trigger_status(wpa_s
->global
->p2p
, ret
);
283 p2p_notify_scan_trigger_status(wpa_s
->global
->p2p
, ret
);
284 os_get_reltime(&wpa_s
->scan_trigger_time
);
285 wpa_s
->scan_res_handler
= wpas_p2p_scan_res_handler
;
286 wpa_s
->own_scan_requested
= 1;
287 wpa_s
->p2p_scan_work
= work
;
291 static int wpas_p2p_search_social_channel(struct wpa_supplicant
*wpa_s
,
294 if (wpa_s
->global
->p2p_24ghz_social_channels
&&
295 (freq
== 2412 || freq
== 2437 || freq
== 2462)) {
297 * Search all social channels regardless of whether these have
298 * been disabled for P2P operating channel use to avoid missing
303 return p2p_supported_freq(wpa_s
->global
->p2p
, freq
);
307 static int wpas_p2p_scan(void *ctx
, enum p2p_scan_type type
, int freq
,
308 unsigned int num_req_dev_types
,
309 const u8
*req_dev_types
, const u8
*dev_id
, u16 pw_id
)
311 struct wpa_supplicant
*wpa_s
= ctx
;
312 struct wpa_driver_scan_params
*params
= NULL
;
313 struct wpabuf
*wps_ie
, *ies
;
314 unsigned int num_channels
= 0;
315 int social_channels_freq
[] = { 2412, 2437, 2462, 60480 };
319 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
322 if (wpa_s
->p2p_scan_work
) {
323 wpa_dbg(wpa_s
, MSG_INFO
, "P2P: Reject scan trigger since one is already pending");
327 params
= os_zalloc(sizeof(*params
));
331 /* P2P Wildcard SSID */
332 params
->num_ssids
= 1;
333 n
= os_malloc(P2P_WILDCARD_SSID_LEN
);
336 os_memcpy(n
, P2P_WILDCARD_SSID
, P2P_WILDCARD_SSID_LEN
);
337 params
->ssids
[0].ssid
= n
;
338 params
->ssids
[0].ssid_len
= P2P_WILDCARD_SSID_LEN
;
340 wpa_s
->wps
->dev
.p2p
= 1;
341 wps_ie
= wps_build_probe_req_ie(pw_id
, &wpa_s
->wps
->dev
,
342 wpa_s
->wps
->uuid
, WPS_REQ_ENROLLEE
,
343 num_req_dev_types
, req_dev_types
);
347 ielen
= p2p_scan_ie_buf_len(wpa_s
->global
->p2p
);
348 ies
= wpabuf_alloc(wpabuf_len(wps_ie
) + ielen
);
353 wpabuf_put_buf(ies
, wps_ie
);
356 p2p_scan_ie(wpa_s
->global
->p2p
, ies
, dev_id
);
358 params
->p2p_probe
= 1;
359 n
= os_malloc(wpabuf_len(ies
));
364 os_memcpy(n
, wpabuf_head(ies
), wpabuf_len(ies
));
365 params
->extra_ies
= n
;
366 params
->extra_ies_len
= wpabuf_len(ies
);
370 case P2P_SCAN_SOCIAL
:
371 params
->freqs
= os_calloc(ARRAY_SIZE(social_channels_freq
) + 1,
373 if (params
->freqs
== NULL
)
375 for (i
= 0; i
< ARRAY_SIZE(social_channels_freq
); i
++) {
376 if (wpas_p2p_search_social_channel(
377 wpa_s
, social_channels_freq
[i
]))
378 params
->freqs
[num_channels
++] =
379 social_channels_freq
[i
];
381 params
->freqs
[num_channels
++] = 0;
385 case P2P_SCAN_SPECIFIC
:
386 params
->freqs
= os_calloc(2, sizeof(int));
387 if (params
->freqs
== NULL
)
389 params
->freqs
[0] = freq
;
390 params
->freqs
[1] = 0;
392 case P2P_SCAN_SOCIAL_PLUS_ONE
:
393 params
->freqs
= os_calloc(ARRAY_SIZE(social_channels_freq
) + 2,
395 if (params
->freqs
== NULL
)
397 for (i
= 0; i
< ARRAY_SIZE(social_channels_freq
); i
++) {
398 if (wpas_p2p_search_social_channel(
399 wpa_s
, social_channels_freq
[i
]))
400 params
->freqs
[num_channels
++] =
401 social_channels_freq
[i
];
403 if (p2p_supported_freq(wpa_s
->global
->p2p
, freq
))
404 params
->freqs
[num_channels
++] = freq
;
405 params
->freqs
[num_channels
++] = 0;
409 radio_remove_works(wpa_s
, "p2p-scan", 0);
410 if (radio_add_work(wpa_s
, 0, "p2p-scan", 0, wpas_p2p_trigger_scan_cb
,
416 wpa_scan_free_params(params
);
421 static enum wpa_driver_if_type
wpas_p2p_if_type(int p2p_group_interface
)
423 switch (p2p_group_interface
) {
424 case P2P_GROUP_INTERFACE_PENDING
:
425 return WPA_IF_P2P_GROUP
;
426 case P2P_GROUP_INTERFACE_GO
:
427 return WPA_IF_P2P_GO
;
428 case P2P_GROUP_INTERFACE_CLIENT
:
429 return WPA_IF_P2P_CLIENT
;
432 return WPA_IF_P2P_GROUP
;
436 static struct wpa_supplicant
* wpas_get_p2p_group(struct wpa_supplicant
*wpa_s
,
438 size_t ssid_len
, int *go
)
442 for (wpa_s
= wpa_s
->global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
443 for (s
= wpa_s
->conf
->ssid
; s
; s
= s
->next
) {
444 if (s
->disabled
!= 0 || !s
->p2p_group
||
445 s
->ssid_len
!= ssid_len
||
446 os_memcmp(ssid
, s
->ssid
, ssid_len
) != 0)
448 if (s
->mode
== WPAS_MODE_P2P_GO
&&
449 s
!= wpa_s
->current_ssid
)
452 *go
= s
->mode
== WPAS_MODE_P2P_GO
;
461 static void run_wpas_p2p_disconnect(void *eloop_ctx
, void *timeout_ctx
)
463 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
464 wpa_printf(MSG_DEBUG
,
465 "P2P: Complete previously requested removal of %s",
467 wpas_p2p_disconnect(wpa_s
);
471 static int wpas_p2p_disconnect_safely(struct wpa_supplicant
*wpa_s
,
472 struct wpa_supplicant
*calling_wpa_s
)
474 if (calling_wpa_s
== wpa_s
&& wpa_s
&&
475 wpa_s
->p2p_group_interface
!= NOT_P2P_GROUP_INTERFACE
) {
477 * The calling wpa_s instance is going to be removed. Do that
478 * from an eloop callback to keep the instance available until
479 * the caller has returned. This my be needed, e.g., to provide
480 * control interface responses on the per-interface socket.
482 if (eloop_register_timeout(0, 0, run_wpas_p2p_disconnect
,
488 return wpas_p2p_disconnect(wpa_s
);
492 /* Determine total number of clients in active groups where we are the GO */
493 static unsigned int p2p_group_go_member_count(struct wpa_supplicant
*wpa_s
)
495 unsigned int count
= 0;
498 for (wpa_s
= wpa_s
->global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
499 for (s
= wpa_s
->conf
->ssid
; s
; s
= s
->next
) {
500 wpa_printf(MSG_DEBUG
,
501 "P2P: sup:%p ssid:%p disabled:%d p2p:%d mode:%d",
502 wpa_s
, s
, s
->disabled
, s
->p2p_group
,
504 if (!s
->disabled
&& s
->p2p_group
&&
505 s
->mode
== WPAS_MODE_P2P_GO
) {
506 count
+= p2p_get_group_num_members(
516 /* Find an interface for a P2P group where we are the GO */
517 static struct wpa_supplicant
*
518 wpas_p2p_get_go_group(struct wpa_supplicant
*wpa_s
)
520 struct wpa_supplicant
*save
= NULL
;
526 for (wpa_s
= wpa_s
->global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
527 for (s
= wpa_s
->conf
->ssid
; s
; s
= s
->next
) {
528 if (s
->disabled
|| !s
->p2p_group
||
529 s
->mode
!= WPAS_MODE_P2P_GO
)
532 /* Prefer a group with connected clients */
533 if (p2p_get_group_num_members(wpa_s
->p2p_group
))
539 /* No group with connected clients, so pick the one without (if any) */
544 /* Find an active P2P group where we are the GO */
545 static struct wpa_ssid
* wpas_p2p_group_go_ssid(struct wpa_supplicant
*wpa_s
,
548 struct wpa_ssid
*s
, *empty
= NULL
;
553 for (wpa_s
= wpa_s
->global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
554 for (s
= wpa_s
->conf
->ssid
; s
; s
= s
->next
) {
555 if (s
->disabled
|| !s
->p2p_group
||
556 s
->mode
!= WPAS_MODE_P2P_GO
)
559 os_memcpy(bssid
, wpa_s
->own_addr
, ETH_ALEN
);
560 if (p2p_get_group_num_members(wpa_s
->p2p_group
))
570 /* Find a persistent group where we are the GO */
571 static struct wpa_ssid
*
572 wpas_p2p_get_persistent_go(struct wpa_supplicant
*wpa_s
)
576 for (s
= wpa_s
->conf
->ssid
; s
; s
= s
->next
) {
577 if (s
->disabled
== 2 && s
->mode
== WPAS_MODE_P2P_GO
)
585 static u8
p2ps_group_capability(void *ctx
, u8 incoming
, u8 role
)
587 struct wpa_supplicant
*wpa_s
= ctx
, *tmp_wpa_s
;
589 u8 conncap
= P2PS_SETUP_NONE
;
590 unsigned int owned_members
= 0;
591 unsigned int owner
= 0;
592 unsigned int client
= 0;
593 struct wpa_supplicant
*go_wpa_s
;
594 struct wpa_ssid
*persistent_go
;
595 int p2p_no_group_iface
;
597 wpa_printf(MSG_DEBUG
, "P2P: Conncap - in:%d role:%d", incoming
, role
);
600 * For non-concurrent capable devices:
601 * If persistent_go, then no new.
602 * If GO, then no client.
603 * If client, then no GO.
605 go_wpa_s
= wpas_p2p_get_go_group(wpa_s
);
606 persistent_go
= wpas_p2p_get_persistent_go(wpa_s
);
607 p2p_no_group_iface
= wpa_s
->conf
->p2p_no_group_iface
;
609 wpa_printf(MSG_DEBUG
, "P2P: GO(iface)=%p persistent(ssid)=%p",
610 go_wpa_s
, persistent_go
);
612 for (tmp_wpa_s
= wpa_s
->global
->ifaces
; tmp_wpa_s
;
613 tmp_wpa_s
= tmp_wpa_s
->next
) {
614 for (s
= tmp_wpa_s
->conf
->ssid
; s
; s
= s
->next
) {
615 wpa_printf(MSG_DEBUG
,
616 "P2P: sup:%p ssid:%p disabled:%d p2p:%d mode:%d",
617 tmp_wpa_s
, s
, s
->disabled
,
618 s
->p2p_group
, s
->mode
);
619 if (!s
->disabled
&& s
->p2p_group
) {
620 if (s
->mode
== WPAS_MODE_P2P_GO
) {
622 p2p_get_group_num_members(
623 tmp_wpa_s
->p2p_group
);
631 /* If not concurrent, restrict our choices */
632 if (p2p_no_group_iface
) {
633 wpa_printf(MSG_DEBUG
, "P2P: p2p_no_group_iface");
636 return P2PS_SETUP_NONE
;
639 if (role
== P2PS_SETUP_CLIENT
||
640 incoming
== P2PS_SETUP_GROUP_OWNER
||
641 p2p_client_limit_reached(go_wpa_s
->p2p_group
))
642 return P2PS_SETUP_NONE
;
644 return P2PS_SETUP_GROUP_OWNER
;
648 if (role
== P2PS_SETUP_NONE
|| role
== P2PS_SETUP_NEW
) {
650 return P2PS_SETUP_GROUP_OWNER
|
652 if (incoming
== P2PS_SETUP_NEW
) {
655 if (os_get_random(&r
, sizeof(r
)) < 0 ||
657 return P2PS_SETUP_CLIENT
;
658 return P2PS_SETUP_GROUP_OWNER
;
664 /* If a required role has been specified, handle it here */
665 if (role
&& role
!= P2PS_SETUP_NEW
) {
667 case P2PS_SETUP_NONE
:
669 case P2PS_SETUP_GROUP_OWNER
| P2PS_SETUP_CLIENT
:
670 case P2PS_SETUP_GROUP_OWNER
| P2PS_SETUP_NEW
:
674 case P2PS_SETUP_GROUP_OWNER
:
676 * Must be a complimentary role - cannot be a client to
677 * more than one peer.
679 if (incoming
== role
|| client
)
680 return P2PS_SETUP_NONE
;
682 return P2PS_SETUP_CLIENT
;
684 case P2PS_SETUP_CLIENT
:
685 /* Must be a complimentary role */
686 if (incoming
!= role
) {
687 conncap
= P2PS_SETUP_GROUP_OWNER
;
692 return P2PS_SETUP_NONE
;
697 * For now, we only will support ownership of one group, and being a
698 * client of one group. Therefore, if we have either an existing GO
699 * group, or an existing client group, we will not do a new GO
700 * negotiation, but rather try to re-use the existing groups.
703 case P2PS_SETUP_NONE
:
706 conncap
= P2PS_SETUP_GROUP_OWNER
;
707 else if (!owned_members
)
708 conncap
= P2PS_SETUP_NEW
;
709 else if (incoming
== P2PS_SETUP_NONE
)
710 conncap
= P2PS_SETUP_GROUP_OWNER
| P2PS_SETUP_CLIENT
;
712 conncap
= P2PS_SETUP_CLIENT
;
715 case P2PS_SETUP_CLIENT
:
716 conncap
= P2PS_SETUP_GROUP_OWNER
;
719 case P2PS_SETUP_GROUP_OWNER
:
721 conncap
= P2PS_SETUP_CLIENT
;
724 case P2PS_SETUP_GROUP_OWNER
| P2PS_SETUP_NEW
:
725 case P2PS_SETUP_GROUP_OWNER
| P2PS_SETUP_CLIENT
:
727 conncap
= P2PS_SETUP_GROUP_OWNER
;
731 if (os_get_random(&r
, sizeof(r
)) < 0 ||
733 conncap
= P2PS_SETUP_CLIENT
;
735 conncap
= P2PS_SETUP_GROUP_OWNER
;
740 return P2PS_SETUP_NONE
;
744 if ((conncap
& P2PS_SETUP_GROUP_OWNER
) ||
745 (!incoming
&& (conncap
& P2PS_SETUP_NEW
))) {
746 if (go_wpa_s
&& p2p_client_limit_reached(go_wpa_s
->p2p_group
))
747 conncap
&= ~P2PS_SETUP_GROUP_OWNER
;
748 wpa_printf(MSG_DEBUG
, "P2P: GOs:%d members:%d conncap:%d",
749 owner
, owned_members
, conncap
);
751 s
= wpas_p2p_get_persistent_go(wpa_s
);
753 if (!s
&& !owner
&& p2p_no_group_iface
) {
754 p2p_set_intended_addr(wpa_s
->global
->p2p
,
756 } else if (!s
&& !owner
) {
757 if (wpas_p2p_add_group_interface(wpa_s
,
758 WPA_IF_P2P_GO
) < 0) {
759 wpa_printf(MSG_ERROR
,
760 "P2P: Failed to allocate a new interface for the group");
761 return P2PS_SETUP_NONE
;
763 wpa_s
->global
->pending_group_iface_for_p2ps
= 1;
764 p2p_set_intended_addr(wpa_s
->global
->p2p
,
765 wpa_s
->pending_interface_addr
);
773 static int wpas_p2p_group_delete(struct wpa_supplicant
*wpa_s
,
774 enum p2p_group_removal_reason removal_reason
)
776 struct wpa_ssid
*ssid
;
780 ssid
= wpa_s
->current_ssid
;
783 * The current SSID was not known, but there may still be a
784 * pending P2P group interface waiting for provisioning or a
785 * P2P group that is trying to reconnect.
787 ssid
= wpa_s
->conf
->ssid
;
789 if (ssid
->p2p_group
&& ssid
->disabled
!= 2)
794 wpa_s
->p2p_group_interface
== NOT_P2P_GROUP_INTERFACE
)
796 wpa_printf(MSG_ERROR
, "P2P: P2P group interface "
801 if (wpa_s
->p2p_group_interface
== P2P_GROUP_INTERFACE_GO
)
803 else if (wpa_s
->p2p_group_interface
== P2P_GROUP_INTERFACE_CLIENT
||
804 (ssid
&& ssid
->mode
== WPAS_MODE_INFRA
)) {
805 wpa_s
->reassociate
= 0;
806 wpa_s
->disconnected
= 1;
811 if (removal_reason
!= P2P_GROUP_REMOVAL_SILENT
&& ssid
)
812 wpas_notify_p2p_group_removed(wpa_s
, ssid
, gtype
);
814 if (os_strcmp(gtype
, "client") == 0) {
815 wpa_supplicant_deauthenticate(wpa_s
, WLAN_REASON_DEAUTH_LEAVING
);
816 if (eloop_is_timeout_registered(wpas_p2p_psk_failure_removal
,
818 wpa_printf(MSG_DEBUG
,
819 "P2P: PSK failure removal was scheduled, so use PSK failure as reason for group removal");
820 removal_reason
= P2P_GROUP_REMOVAL_PSK_FAILURE
;
821 eloop_cancel_timeout(wpas_p2p_psk_failure_removal
,
826 if (wpa_s
->cross_connect_in_use
) {
827 wpa_s
->cross_connect_in_use
= 0;
828 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
829 P2P_EVENT_CROSS_CONNECT_DISABLE
"%s %s",
830 wpa_s
->ifname
, wpa_s
->cross_connect_uplink
);
832 switch (removal_reason
) {
833 case P2P_GROUP_REMOVAL_REQUESTED
:
834 reason
= " reason=REQUESTED";
836 case P2P_GROUP_REMOVAL_FORMATION_FAILED
:
837 reason
= " reason=FORMATION_FAILED";
839 case P2P_GROUP_REMOVAL_IDLE_TIMEOUT
:
840 reason
= " reason=IDLE";
842 case P2P_GROUP_REMOVAL_UNAVAILABLE
:
843 reason
= " reason=UNAVAILABLE";
845 case P2P_GROUP_REMOVAL_GO_ENDING_SESSION
:
846 reason
= " reason=GO_ENDING_SESSION";
848 case P2P_GROUP_REMOVAL_PSK_FAILURE
:
849 reason
= " reason=PSK_FAILURE";
851 case P2P_GROUP_REMOVAL_FREQ_CONFLICT
:
852 reason
= " reason=FREQ_CONFLICT";
858 if (removal_reason
!= P2P_GROUP_REMOVAL_SILENT
) {
859 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
860 P2P_EVENT_GROUP_REMOVED
"%s %s%s",
861 wpa_s
->ifname
, gtype
, reason
);
864 if (eloop_cancel_timeout(wpas_p2p_group_freq_conflict
, wpa_s
, NULL
) > 0)
865 wpa_printf(MSG_DEBUG
, "P2P: Cancelled P2P group freq_conflict timeout");
866 if (eloop_cancel_timeout(wpas_p2p_group_idle_timeout
, wpa_s
, NULL
) > 0)
867 wpa_printf(MSG_DEBUG
, "P2P: Cancelled P2P group idle timeout");
868 if (eloop_cancel_timeout(wpas_p2p_group_formation_timeout
,
869 wpa_s
->parent
, NULL
) > 0) {
870 wpa_printf(MSG_DEBUG
, "P2P: Cancelled P2P group formation "
872 wpa_s
->p2p_in_provisioning
= 0;
875 wpa_s
->p2p_in_invitation
= 0;
878 * Make sure wait for the first client does not remain active after the
879 * group has been removed.
881 wpa_s
->global
->p2p_go_wait_client
.sec
= 0;
883 if (wpa_s
->p2p_group_interface
!= NOT_P2P_GROUP_INTERFACE
) {
884 struct wpa_global
*global
;
886 enum wpa_driver_if_type type
;
887 wpa_printf(MSG_DEBUG
, "P2P: Remove group interface %s",
889 global
= wpa_s
->global
;
890 ifname
= os_strdup(wpa_s
->ifname
);
891 type
= wpas_p2p_if_type(wpa_s
->p2p_group_interface
);
892 eloop_cancel_timeout(run_wpas_p2p_disconnect
, wpa_s
, NULL
);
893 wpa_supplicant_remove_iface(wpa_s
->global
, wpa_s
, 0);
894 wpa_s
= global
->ifaces
;
896 wpa_drv_if_remove(wpa_s
, type
, ifname
);
901 if (!wpa_s
->p2p_go_group_formation_completed
) {
902 wpa_s
->global
->p2p_group_formation
= NULL
;
903 wpa_s
->p2p_in_provisioning
= 0;
906 wpa_s
->show_group_started
= 0;
907 os_free(wpa_s
->go_params
);
908 wpa_s
->go_params
= NULL
;
910 os_free(wpa_s
->p2p_group_common_freqs
);
911 wpa_s
->p2p_group_common_freqs
= NULL
;
912 wpa_s
->p2p_group_common_freqs_num
= 0;
914 wpa_s
->waiting_presence_resp
= 0;
916 wpa_printf(MSG_DEBUG
, "P2P: Remove temporary group network");
917 if (ssid
&& (ssid
->p2p_group
||
918 ssid
->mode
== WPAS_MODE_P2P_GROUP_FORMATION
||
919 (ssid
->key_mgmt
& WPA_KEY_MGMT_WPS
))) {
921 if (ssid
== wpa_s
->current_ssid
) {
922 wpa_sm_set_config(wpa_s
->wpa
, NULL
);
923 eapol_sm_notify_config(wpa_s
->eapol
, NULL
, NULL
);
924 wpa_s
->current_ssid
= NULL
;
927 * Networks objects created during any P2P activities are not
928 * exposed out as they might/will confuse certain non-P2P aware
929 * applications since these network objects won't behave like
932 * Likewise, we don't send out network removed signals for such
935 wpa_config_remove_network(wpa_s
->conf
, id
);
936 wpa_supplicant_clear_status(wpa_s
);
937 wpa_supplicant_cancel_sched_scan(wpa_s
);
939 wpa_printf(MSG_DEBUG
, "P2P: Temporary group network not "
943 wpa_supplicant_ap_deinit(wpa_s
);
945 wpa_drv_deinit_p2p_cli(wpa_s
);
951 static int wpas_p2p_persistent_group(struct wpa_supplicant
*wpa_s
,
953 const u8
*ssid
, size_t ssid_len
)
961 if (wpa_s
->go_params
)
962 bssid
= wpa_s
->go_params
->peer_interface_addr
;
964 bssid
= wpa_s
->bssid
;
966 bss
= wpa_bss_get(wpa_s
, bssid
, ssid
, ssid_len
);
967 if (bss
== NULL
&& wpa_s
->go_params
&&
968 !is_zero_ether_addr(wpa_s
->go_params
->peer_device_addr
))
969 bss
= wpa_bss_get_p2p_dev_addr(
970 wpa_s
, wpa_s
->go_params
->peer_device_addr
);
972 u8 iface_addr
[ETH_ALEN
];
973 if (p2p_get_interface_addr(wpa_s
->global
->p2p
, bssid
,
975 bss
= wpa_bss_get(wpa_s
, iface_addr
, ssid
, ssid_len
);
978 wpa_printf(MSG_DEBUG
, "P2P: Could not figure out whether "
979 "group is persistent - BSS " MACSTR
" not found",
984 p2p
= wpa_bss_get_vendor_ie_multi(bss
, P2P_IE_VENDOR_TYPE
);
986 p2p
= wpa_bss_get_vendor_ie_multi_beacon(bss
,
989 wpa_printf(MSG_DEBUG
, "P2P: Could not figure out whether "
990 "group is persistent - BSS " MACSTR
991 " did not include P2P IE", MAC2STR(bssid
));
992 wpa_hexdump(MSG_DEBUG
, "P2P: Probe Response IEs",
993 (u8
*) (bss
+ 1), bss
->ie_len
);
994 wpa_hexdump(MSG_DEBUG
, "P2P: Beacon IEs",
995 ((u8
*) bss
+ 1) + bss
->ie_len
,
1000 group_capab
= p2p_get_group_capab(p2p
);
1001 addr
= p2p_get_go_dev_addr(p2p
);
1002 wpa_printf(MSG_DEBUG
, "P2P: Checking whether group is persistent: "
1003 "group_capab=0x%x", group_capab
);
1005 os_memcpy(go_dev_addr
, addr
, ETH_ALEN
);
1006 wpa_printf(MSG_DEBUG
, "P2P: GO Device Address " MACSTR
,
1009 os_memset(go_dev_addr
, 0, ETH_ALEN
);
1012 wpa_printf(MSG_DEBUG
, "P2P: BSS " MACSTR
" group_capab=0x%x "
1013 "go_dev_addr=" MACSTR
,
1014 MAC2STR(bssid
), group_capab
, MAC2STR(go_dev_addr
));
1016 return group_capab
& P2P_GROUP_CAPAB_PERSISTENT_GROUP
;
1020 static int wpas_p2p_store_persistent_group(struct wpa_supplicant
*wpa_s
,
1021 struct wpa_ssid
*ssid
,
1022 const u8
*go_dev_addr
)
1027 wpa_printf(MSG_DEBUG
, "P2P: Storing credentials for a persistent "
1028 "group (GO Dev Addr " MACSTR
")", MAC2STR(go_dev_addr
));
1029 for (s
= wpa_s
->conf
->ssid
; s
; s
= s
->next
) {
1030 if (s
->disabled
== 2 &&
1031 os_memcmp(go_dev_addr
, s
->bssid
, ETH_ALEN
) == 0 &&
1032 s
->ssid_len
== ssid
->ssid_len
&&
1033 os_memcmp(ssid
->ssid
, s
->ssid
, ssid
->ssid_len
) == 0)
1038 wpa_printf(MSG_DEBUG
, "P2P: Update existing persistent group "
1040 if (ssid
->passphrase
&& !s
->passphrase
)
1042 else if (ssid
->passphrase
&& s
->passphrase
&&
1043 os_strcmp(ssid
->passphrase
, s
->passphrase
) != 0)
1046 wpa_printf(MSG_DEBUG
, "P2P: Create a new persistent group "
1049 s
= wpa_config_add_network(wpa_s
->conf
);
1054 * Instead of network_added we emit persistent_group_added
1055 * notification. Also to keep the defense checks in
1056 * persistent_group obj registration method, we set the
1057 * relevant flags in s to designate it as a persistent group.
1060 s
->p2p_persistent_group
= 1;
1061 wpas_notify_persistent_group_added(wpa_s
, s
);
1062 wpa_config_set_network_defaults(s
);
1066 s
->p2p_persistent_group
= 1;
1069 os_memcpy(s
->bssid
, go_dev_addr
, ETH_ALEN
);
1070 s
->mode
= ssid
->mode
;
1071 s
->auth_alg
= WPA_AUTH_ALG_OPEN
;
1072 s
->key_mgmt
= WPA_KEY_MGMT_PSK
;
1073 s
->proto
= WPA_PROTO_RSN
;
1074 s
->pairwise_cipher
= WPA_CIPHER_CCMP
;
1076 if (ssid
->passphrase
) {
1077 os_free(s
->passphrase
);
1078 s
->passphrase
= os_strdup(ssid
->passphrase
);
1080 if (ssid
->psk_set
) {
1082 os_memcpy(s
->psk
, ssid
->psk
, 32);
1084 if (s
->passphrase
&& !s
->psk_set
)
1085 wpa_config_update_psk(s
);
1086 if (s
->ssid
== NULL
|| s
->ssid_len
< ssid
->ssid_len
) {
1088 s
->ssid
= os_malloc(ssid
->ssid_len
);
1091 s
->ssid_len
= ssid
->ssid_len
;
1092 os_memcpy(s
->ssid
, ssid
->ssid
, s
->ssid_len
);
1094 if (ssid
->mode
== WPAS_MODE_P2P_GO
&& wpa_s
->global
->add_psk
) {
1095 dl_list_add(&s
->psk_list
, &wpa_s
->global
->add_psk
->list
);
1096 wpa_s
->global
->add_psk
= NULL
;
1100 if (changed
&& wpa_s
->conf
->update_config
&&
1101 wpa_config_write(wpa_s
->confname
, wpa_s
->conf
)) {
1102 wpa_printf(MSG_DEBUG
, "P2P: Failed to update configuration");
1109 static void wpas_p2p_add_persistent_group_client(struct wpa_supplicant
*wpa_s
,
1112 struct wpa_ssid
*ssid
, *s
;
1116 struct wpa_supplicant
*p2p_wpa_s
= wpa_s
->global
->p2p_init_wpa_s
;
1118 ssid
= wpa_s
->current_ssid
;
1119 if (ssid
== NULL
|| ssid
->mode
!= WPAS_MODE_P2P_GO
||
1120 !ssid
->p2p_persistent_group
)
1123 for (s
= p2p_wpa_s
->conf
->ssid
; s
; s
= s
->next
) {
1124 if (s
->disabled
!= 2 || s
->mode
!= WPAS_MODE_P2P_GO
)
1127 if (s
->ssid_len
== ssid
->ssid_len
&&
1128 os_memcmp(s
->ssid
, ssid
->ssid
, s
->ssid_len
) == 0)
1135 for (i
= 0; s
->p2p_client_list
&& i
< s
->num_p2p_clients
; i
++) {
1136 if (os_memcmp(s
->p2p_client_list
+ i
* 2 * ETH_ALEN
, addr
,
1140 if (i
== s
->num_p2p_clients
- 1)
1141 return; /* already the most recent entry */
1143 /* move the entry to mark it most recent */
1144 os_memmove(s
->p2p_client_list
+ i
* 2 * ETH_ALEN
,
1145 s
->p2p_client_list
+ (i
+ 1) * 2 * ETH_ALEN
,
1146 (s
->num_p2p_clients
- i
- 1) * 2 * ETH_ALEN
);
1147 os_memcpy(s
->p2p_client_list
+
1148 (s
->num_p2p_clients
- 1) * 2 * ETH_ALEN
, addr
,
1150 os_memset(s
->p2p_client_list
+
1151 (s
->num_p2p_clients
- 1) * 2 * ETH_ALEN
+ ETH_ALEN
,
1157 if (!found
&& s
->num_p2p_clients
< P2P_MAX_STORED_CLIENTS
) {
1158 n
= os_realloc_array(s
->p2p_client_list
,
1159 s
->num_p2p_clients
+ 1, 2 * ETH_ALEN
);
1162 os_memcpy(n
+ s
->num_p2p_clients
* 2 * ETH_ALEN
, addr
,
1164 os_memset(n
+ s
->num_p2p_clients
* 2 * ETH_ALEN
+ ETH_ALEN
,
1166 s
->p2p_client_list
= n
;
1167 s
->num_p2p_clients
++;
1168 } else if (!found
&& s
->p2p_client_list
) {
1169 /* Not enough room for an additional entry - drop the oldest
1171 os_memmove(s
->p2p_client_list
,
1172 s
->p2p_client_list
+ 2 * ETH_ALEN
,
1173 (s
->num_p2p_clients
- 1) * 2 * ETH_ALEN
);
1174 os_memcpy(s
->p2p_client_list
+
1175 (s
->num_p2p_clients
- 1) * 2 * ETH_ALEN
,
1177 os_memset(s
->p2p_client_list
+
1178 (s
->num_p2p_clients
- 1) * 2 * ETH_ALEN
+ ETH_ALEN
,
1182 if (p2p_wpa_s
->conf
->update_config
&&
1183 wpa_config_write(p2p_wpa_s
->confname
, p2p_wpa_s
->conf
))
1184 wpa_printf(MSG_DEBUG
, "P2P: Failed to update configuration");
1188 static void wpas_p2p_group_started(struct wpa_supplicant
*wpa_s
,
1189 int go
, struct wpa_ssid
*ssid
, int freq
,
1190 const u8
*psk
, const char *passphrase
,
1191 const u8
*go_dev_addr
, int persistent
,
1194 const char *ssid_txt
;
1198 wpa_snprintf_hex(psk_txt
, sizeof(psk_txt
), psk
, 32);
1203 ssid_txt
= wpa_ssid_txt(ssid
->ssid
, ssid
->ssid_len
);
1207 if (passphrase
&& passphrase
[0] == '\0')
1211 * Include PSK/passphrase only in the control interface message and
1212 * leave it out from the debug log entry.
1214 wpa_msg_global_ctrl(wpa_s
->parent
, MSG_INFO
,
1215 P2P_EVENT_GROUP_STARTED
1216 "%s %s ssid=\"%s\" freq=%d%s%s%s%s%s go_dev_addr="
1218 wpa_s
->ifname
, go
? "GO" : "client", ssid_txt
, freq
,
1219 psk
? " psk=" : "", psk_txt
,
1220 passphrase
? " passphrase=\"" : "",
1221 passphrase
? passphrase
: "",
1222 passphrase
? "\"" : "",
1223 MAC2STR(go_dev_addr
),
1224 persistent
? " [PERSISTENT]" : "", extra
);
1225 wpa_printf(MSG_INFO
, P2P_EVENT_GROUP_STARTED
1226 "%s %s ssid=\"%s\" freq=%d go_dev_addr=" MACSTR
"%s%s",
1227 wpa_s
->ifname
, go
? "GO" : "client", ssid_txt
, freq
,
1228 MAC2STR(go_dev_addr
), persistent
? " [PERSISTENT]" : "",
1233 static void wpas_group_formation_completed(struct wpa_supplicant
*wpa_s
,
1236 struct wpa_ssid
*ssid
;
1239 u8 go_dev_addr
[ETH_ALEN
];
1240 int network_id
= -1;
1243 * This callback is likely called for the main interface. Update wpa_s
1244 * to use the group interface if a new interface was created for the
1247 if (wpa_s
->global
->p2p_group_formation
)
1248 wpa_s
= wpa_s
->global
->p2p_group_formation
;
1249 if (wpa_s
->p2p_go_group_formation_completed
) {
1250 wpa_s
->global
->p2p_group_formation
= NULL
;
1251 wpa_s
->p2p_in_provisioning
= 0;
1253 wpa_s
->p2p_in_invitation
= 0;
1254 wpa_s
->group_formation_reported
= 1;
1257 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
1258 P2P_EVENT_GROUP_FORMATION_FAILURE
);
1259 wpas_p2p_group_delete(wpa_s
,
1260 P2P_GROUP_REMOVAL_FORMATION_FAILED
);
1264 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
1265 P2P_EVENT_GROUP_FORMATION_SUCCESS
);
1267 ssid
= wpa_s
->current_ssid
;
1268 if (ssid
&& ssid
->mode
== WPAS_MODE_P2P_GROUP_FORMATION
) {
1269 ssid
->mode
= WPAS_MODE_P2P_GO
;
1270 p2p_group_notif_formation_done(wpa_s
->p2p_group
);
1271 wpa_supplicant_ap_mac_addr_filter(wpa_s
, NULL
);
1276 client
= ssid
->mode
== WPAS_MODE_INFRA
;
1277 if (ssid
->mode
== WPAS_MODE_P2P_GO
) {
1278 persistent
= ssid
->p2p_persistent_group
;
1279 os_memcpy(go_dev_addr
, wpa_s
->global
->p2p_dev_addr
,
1282 persistent
= wpas_p2p_persistent_group(wpa_s
,
1287 client
= wpa_s
->p2p_group_interface
==
1288 P2P_GROUP_INTERFACE_CLIENT
;
1289 os_memset(go_dev_addr
, 0, ETH_ALEN
);
1292 wpa_s
->show_group_started
= 0;
1295 * Indicate event only after successfully completed 4-way
1296 * handshake, i.e., when the interface is ready for data
1299 wpa_s
->show_group_started
= 1;
1301 wpas_p2p_group_started(wpa_s
, 1, ssid
,
1302 ssid
? ssid
->frequency
: 0,
1303 ssid
&& ssid
->passphrase
== NULL
&&
1304 ssid
->psk_set
? ssid
->psk
: NULL
,
1305 ssid
? ssid
->passphrase
: NULL
,
1306 go_dev_addr
, persistent
, "");
1307 wpas_p2p_cross_connect_setup(wpa_s
);
1308 wpas_p2p_set_group_idle_timeout(wpa_s
);
1312 network_id
= wpas_p2p_store_persistent_group(wpa_s
->parent
,
1315 os_free(wpa_s
->global
->add_psk
);
1316 wpa_s
->global
->add_psk
= NULL
;
1318 if (network_id
< 0 && ssid
)
1319 network_id
= ssid
->id
;
1321 wpas_notify_p2p_group_started(wpa_s
, ssid
, network_id
, 0);
1322 os_get_reltime(&wpa_s
->global
->p2p_go_wait_client
);
1327 struct send_action_work
{
1333 unsigned int wait_time
;
1338 static void wpas_p2p_send_action_work_timeout(void *eloop_ctx
,
1341 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
1343 if (!wpa_s
->p2p_send_action_work
)
1346 wpa_printf(MSG_DEBUG
, "P2P: Send Action frame radio work timed out");
1347 os_free(wpa_s
->p2p_send_action_work
->ctx
);
1348 radio_work_done(wpa_s
->p2p_send_action_work
);
1349 wpa_s
->p2p_send_action_work
= NULL
;
1353 static void wpas_p2p_action_tx_clear(struct wpa_supplicant
*wpa_s
)
1355 if (wpa_s
->p2p_send_action_work
) {
1356 struct send_action_work
*awork
;
1357 awork
= wpa_s
->p2p_send_action_work
->ctx
;
1358 if (awork
->wait_time
== 0) {
1360 radio_work_done(wpa_s
->p2p_send_action_work
);
1361 wpa_s
->p2p_send_action_work
= NULL
;
1364 * In theory, this should not be needed, but number of
1365 * places in the P2P code is still using non-zero wait
1366 * time for the last Action frame in the sequence and
1367 * some of these do not call send_action_done().
1369 eloop_cancel_timeout(wpas_p2p_send_action_work_timeout
,
1371 eloop_register_timeout(
1372 0, awork
->wait_time
* 1000,
1373 wpas_p2p_send_action_work_timeout
,
1380 static void wpas_p2p_send_action_tx_status(struct wpa_supplicant
*wpa_s
,
1382 const u8
*dst
, const u8
*src
,
1384 const u8
*data
, size_t data_len
,
1385 enum offchannel_send_action_result
1388 enum p2p_send_action_result res
= P2P_SEND_ACTION_SUCCESS
;
1390 wpas_p2p_action_tx_clear(wpa_s
);
1392 if (wpa_s
->global
->p2p
== NULL
|| wpa_s
->global
->p2p_disabled
)
1396 case OFFCHANNEL_SEND_ACTION_SUCCESS
:
1397 res
= P2P_SEND_ACTION_SUCCESS
;
1399 case OFFCHANNEL_SEND_ACTION_NO_ACK
:
1400 res
= P2P_SEND_ACTION_NO_ACK
;
1402 case OFFCHANNEL_SEND_ACTION_FAILED
:
1403 res
= P2P_SEND_ACTION_FAILED
;
1407 p2p_send_action_cb(wpa_s
->global
->p2p
, freq
, dst
, src
, bssid
, res
);
1409 if (result
!= OFFCHANNEL_SEND_ACTION_SUCCESS
&&
1410 wpa_s
->pending_pd_before_join
&&
1411 (os_memcmp(dst
, wpa_s
->pending_join_dev_addr
, ETH_ALEN
) == 0 ||
1412 os_memcmp(dst
, wpa_s
->pending_join_iface_addr
, ETH_ALEN
) == 0) &&
1413 wpa_s
->p2p_fallback_to_go_neg
) {
1414 wpa_s
->pending_pd_before_join
= 0;
1415 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: No ACK for PD Req "
1416 "during p2p_connect-auto");
1417 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
1418 P2P_EVENT_FALLBACK_TO_GO_NEG
1419 "reason=no-ACK-to-PD-Req");
1420 wpas_p2p_fallback_to_go_neg(wpa_s
, 0);
1426 static void wpas_send_action_cb(struct wpa_radio_work
*work
, int deinit
)
1428 struct wpa_supplicant
*wpa_s
= work
->wpa_s
;
1429 struct send_action_work
*awork
= work
->ctx
;
1432 if (work
->started
) {
1433 eloop_cancel_timeout(wpas_p2p_send_action_work_timeout
,
1435 wpa_s
->p2p_send_action_work
= NULL
;
1436 offchannel_send_action_done(wpa_s
);
1442 if (offchannel_send_action(wpa_s
, awork
->freq
, awork
->dst
, awork
->src
,
1443 awork
->bssid
, awork
->buf
, awork
->len
,
1445 wpas_p2p_send_action_tx_status
, 1) < 0) {
1447 radio_work_done(work
);
1450 wpa_s
->p2p_send_action_work
= work
;
1454 static int wpas_send_action_work(struct wpa_supplicant
*wpa_s
,
1455 unsigned int freq
, const u8
*dst
,
1456 const u8
*src
, const u8
*bssid
, const u8
*buf
,
1457 size_t len
, unsigned int wait_time
)
1459 struct send_action_work
*awork
;
1461 if (wpa_s
->p2p_send_action_work
) {
1462 wpa_printf(MSG_DEBUG
, "P2P: Cannot schedule new p2p-send-action work since one is already pending");
1466 awork
= os_zalloc(sizeof(*awork
) + len
);
1471 os_memcpy(awork
->dst
, dst
, ETH_ALEN
);
1472 os_memcpy(awork
->src
, src
, ETH_ALEN
);
1473 os_memcpy(awork
->bssid
, bssid
, ETH_ALEN
);
1475 awork
->wait_time
= wait_time
;
1476 os_memcpy(awork
->buf
, buf
, len
);
1478 if (radio_add_work(wpa_s
, freq
, "p2p-send-action", 0,
1479 wpas_send_action_cb
, awork
) < 0) {
1488 static int wpas_send_action(void *ctx
, unsigned int freq
, const u8
*dst
,
1489 const u8
*src
, const u8
*bssid
, const u8
*buf
,
1490 size_t len
, unsigned int wait_time
)
1492 struct wpa_supplicant
*wpa_s
= ctx
;
1493 int listen_freq
= -1, send_freq
= -1;
1495 if (wpa_s
->p2p_listen_work
)
1496 listen_freq
= wpa_s
->p2p_listen_work
->freq
;
1497 if (wpa_s
->p2p_send_action_work
)
1498 send_freq
= wpa_s
->p2p_send_action_work
->freq
;
1499 if (listen_freq
!= (int) freq
&& send_freq
!= (int) freq
) {
1500 wpa_printf(MSG_DEBUG
, "P2P: Schedule new radio work for Action frame TX (listen_freq=%d send_freq=%d)",
1501 listen_freq
, send_freq
);
1502 return wpas_send_action_work(wpa_s
, freq
, dst
, src
, bssid
, buf
,
1506 wpa_printf(MSG_DEBUG
, "P2P: Use ongoing radio work for Action frame TX");
1507 return offchannel_send_action(wpa_s
, freq
, dst
, src
, bssid
, buf
, len
,
1509 wpas_p2p_send_action_tx_status
, 1);
1513 static void wpas_send_action_done(void *ctx
)
1515 struct wpa_supplicant
*wpa_s
= ctx
;
1517 if (wpa_s
->p2p_send_action_work
) {
1518 eloop_cancel_timeout(wpas_p2p_send_action_work_timeout
,
1520 os_free(wpa_s
->p2p_send_action_work
->ctx
);
1521 radio_work_done(wpa_s
->p2p_send_action_work
);
1522 wpa_s
->p2p_send_action_work
= NULL
;
1525 offchannel_send_action_done(wpa_s
);
1529 static int wpas_copy_go_neg_results(struct wpa_supplicant
*wpa_s
,
1530 struct p2p_go_neg_results
*params
)
1532 if (wpa_s
->go_params
== NULL
) {
1533 wpa_s
->go_params
= os_malloc(sizeof(*params
));
1534 if (wpa_s
->go_params
== NULL
)
1537 os_memcpy(wpa_s
->go_params
, params
, sizeof(*params
));
1542 static void wpas_start_wps_enrollee(struct wpa_supplicant
*wpa_s
,
1543 struct p2p_go_neg_results
*res
)
1545 wpa_s
->group_formation_reported
= 0;
1546 wpa_printf(MSG_DEBUG
, "P2P: Start WPS Enrollee for peer " MACSTR
1547 " dev_addr " MACSTR
" wps_method %d",
1548 MAC2STR(res
->peer_interface_addr
),
1549 MAC2STR(res
->peer_device_addr
), res
->wps_method
);
1550 wpa_hexdump_ascii(MSG_DEBUG
, "P2P: Start WPS Enrollee for SSID",
1551 res
->ssid
, res
->ssid_len
);
1552 wpa_supplicant_ap_deinit(wpa_s
);
1553 wpas_copy_go_neg_results(wpa_s
, res
);
1554 if (res
->wps_method
== WPS_PBC
) {
1555 wpas_wps_start_pbc(wpa_s
, res
->peer_interface_addr
, 1);
1556 #ifdef CONFIG_WPS_NFC
1557 } else if (res
->wps_method
== WPS_NFC
) {
1558 wpas_wps_start_nfc(wpa_s
, res
->peer_device_addr
,
1559 res
->peer_interface_addr
,
1560 wpa_s
->parent
->p2p_oob_dev_pw
,
1561 wpa_s
->parent
->p2p_oob_dev_pw_id
, 1,
1562 wpa_s
->parent
->p2p_oob_dev_pw_id
==
1563 DEV_PW_NFC_CONNECTION_HANDOVER
?
1564 wpa_s
->parent
->p2p_peer_oob_pubkey_hash
:
1567 #endif /* CONFIG_WPS_NFC */
1569 u16 dev_pw_id
= DEV_PW_DEFAULT
;
1570 if (wpa_s
->p2p_wps_method
== WPS_P2PS
)
1571 dev_pw_id
= DEV_PW_P2PS_DEFAULT
;
1572 if (wpa_s
->p2p_wps_method
== WPS_PIN_KEYPAD
)
1573 dev_pw_id
= DEV_PW_REGISTRAR_SPECIFIED
;
1574 wpas_wps_start_pin(wpa_s
, res
->peer_interface_addr
,
1575 wpa_s
->p2p_pin
, 1, dev_pw_id
);
1580 static void wpas_p2p_add_psk_list(struct wpa_supplicant
*wpa_s
,
1581 struct wpa_ssid
*ssid
)
1583 struct wpa_ssid
*persistent
;
1584 struct psk_list_entry
*psk
;
1585 struct hostapd_data
*hapd
;
1587 if (!wpa_s
->ap_iface
)
1590 persistent
= wpas_p2p_get_persistent(wpa_s
->parent
, NULL
, ssid
->ssid
,
1592 if (persistent
== NULL
)
1595 hapd
= wpa_s
->ap_iface
->bss
[0];
1597 dl_list_for_each(psk
, &persistent
->psk_list
, struct psk_list_entry
,
1599 struct hostapd_wpa_psk
*hpsk
;
1601 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Add persistent group PSK entry for "
1603 MAC2STR(psk
->addr
), psk
->p2p
);
1604 hpsk
= os_zalloc(sizeof(*hpsk
));
1607 os_memcpy(hpsk
->psk
, psk
->psk
, PMK_LEN
);
1609 os_memcpy(hpsk
->p2p_dev_addr
, psk
->addr
, ETH_ALEN
);
1611 os_memcpy(hpsk
->addr
, psk
->addr
, ETH_ALEN
);
1612 hpsk
->next
= hapd
->conf
->ssid
.wpa_psk
;
1613 hapd
->conf
->ssid
.wpa_psk
= hpsk
;
1618 static void p2p_go_dump_common_freqs(struct wpa_supplicant
*wpa_s
)
1622 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Common group frequencies (len=%u):",
1623 wpa_s
->p2p_group_common_freqs_num
);
1625 for (i
= 0; i
< wpa_s
->p2p_group_common_freqs_num
; i
++)
1626 wpa_dbg(wpa_s
, MSG_DEBUG
, "freq[%u]: %d",
1627 i
, wpa_s
->p2p_group_common_freqs
[i
]);
1631 static void p2p_go_save_group_common_freqs(struct wpa_supplicant
*wpa_s
,
1632 struct p2p_go_neg_results
*params
)
1634 unsigned int i
, len
= int_array_len(wpa_s
->go_params
->freq_list
);
1636 wpa_s
->p2p_group_common_freqs_num
= 0;
1637 os_free(wpa_s
->p2p_group_common_freqs
);
1638 wpa_s
->p2p_group_common_freqs
= os_calloc(len
, sizeof(int));
1639 if (!wpa_s
->p2p_group_common_freqs
)
1642 for (i
= 0; i
< len
; i
++) {
1643 if (!wpa_s
->go_params
->freq_list
[i
])
1645 wpa_s
->p2p_group_common_freqs
[i
] =
1646 wpa_s
->go_params
->freq_list
[i
];
1648 wpa_s
->p2p_group_common_freqs_num
= i
;
1652 static void p2p_config_write(struct wpa_supplicant
*wpa_s
)
1654 #ifndef CONFIG_NO_CONFIG_WRITE
1655 if (wpa_s
->parent
->conf
->update_config
&&
1656 wpa_config_write(wpa_s
->parent
->confname
, wpa_s
->parent
->conf
))
1657 wpa_printf(MSG_DEBUG
, "P2P: Failed to update configuration");
1658 #endif /* CONFIG_NO_CONFIG_WRITE */
1662 static void p2p_go_configured(void *ctx
, void *data
)
1664 struct wpa_supplicant
*wpa_s
= ctx
;
1665 struct p2p_go_neg_results
*params
= data
;
1666 struct wpa_ssid
*ssid
;
1667 int network_id
= -1;
1669 p2p_go_save_group_common_freqs(wpa_s
, params
);
1670 p2p_go_dump_common_freqs(wpa_s
);
1672 ssid
= wpa_s
->current_ssid
;
1673 if (ssid
&& ssid
->mode
== WPAS_MODE_P2P_GO
) {
1674 wpa_printf(MSG_DEBUG
, "P2P: Group setup without provisioning");
1675 if (wpa_s
->global
->p2p_group_formation
== wpa_s
)
1676 wpa_s
->global
->p2p_group_formation
= NULL
;
1677 wpas_p2p_group_started(wpa_s
, 1, ssid
, ssid
->frequency
,
1678 params
->passphrase
[0] == '\0' ?
1681 wpa_s
->global
->p2p_dev_addr
,
1682 params
->persistent_group
, "");
1683 wpa_s
->group_formation_reported
= 1;
1685 if (wpa_s
->parent
->p2ps_join_addr_valid
) {
1686 wpa_dbg(wpa_s
, MSG_DEBUG
,
1687 "P2PS: Setting default PIN for " MACSTR
,
1688 MAC2STR(wpa_s
->parent
->p2ps_join_addr
));
1689 wpa_supplicant_ap_wps_pin(wpa_s
,
1690 wpa_s
->parent
->p2ps_join_addr
,
1691 "12345670", NULL
, 0, 0);
1692 wpa_s
->parent
->p2ps_join_addr_valid
= 0;
1695 os_get_reltime(&wpa_s
->global
->p2p_go_wait_client
);
1696 if (params
->persistent_group
) {
1697 network_id
= wpas_p2p_store_persistent_group(
1698 wpa_s
->parent
, ssid
,
1699 wpa_s
->global
->p2p_dev_addr
);
1700 wpas_p2p_add_psk_list(wpa_s
, ssid
);
1703 network_id
= ssid
->id
;
1704 wpas_notify_p2p_group_started(wpa_s
, ssid
, network_id
, 0);
1705 wpas_p2p_cross_connect_setup(wpa_s
);
1706 wpas_p2p_set_group_idle_timeout(wpa_s
);
1708 if (wpa_s
->p2p_first_connection_timeout
) {
1709 wpa_dbg(wpa_s
, MSG_DEBUG
,
1710 "P2P: Start group formation timeout of %d seconds until first data connection on GO",
1711 wpa_s
->p2p_first_connection_timeout
);
1712 wpa_s
->p2p_go_group_formation_completed
= 0;
1713 wpa_s
->global
->p2p_group_formation
= wpa_s
;
1714 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
,
1715 wpa_s
->parent
, NULL
);
1716 eloop_register_timeout(
1717 wpa_s
->p2p_first_connection_timeout
, 0,
1718 wpas_p2p_group_formation_timeout
,
1719 wpa_s
->parent
, NULL
);
1725 wpa_printf(MSG_DEBUG
, "P2P: Setting up WPS for GO provisioning");
1726 if (wpa_supplicant_ap_mac_addr_filter(wpa_s
,
1727 params
->peer_interface_addr
)) {
1728 wpa_printf(MSG_DEBUG
, "P2P: Failed to setup MAC address "
1732 if (params
->wps_method
== WPS_PBC
) {
1733 wpa_supplicant_ap_wps_pbc(wpa_s
, params
->peer_interface_addr
,
1734 params
->peer_device_addr
);
1735 #ifdef CONFIG_WPS_NFC
1736 } else if (params
->wps_method
== WPS_NFC
) {
1737 if (wpa_s
->parent
->p2p_oob_dev_pw_id
!=
1738 DEV_PW_NFC_CONNECTION_HANDOVER
&&
1739 !wpa_s
->parent
->p2p_oob_dev_pw
) {
1740 wpa_printf(MSG_DEBUG
, "P2P: No NFC Dev Pw known");
1743 wpas_ap_wps_add_nfc_pw(
1744 wpa_s
, wpa_s
->parent
->p2p_oob_dev_pw_id
,
1745 wpa_s
->parent
->p2p_oob_dev_pw
,
1746 wpa_s
->parent
->p2p_peer_oob_pk_hash_known
?
1747 wpa_s
->parent
->p2p_peer_oob_pubkey_hash
: NULL
);
1748 #endif /* CONFIG_WPS_NFC */
1749 } else if (wpa_s
->p2p_pin
[0])
1750 wpa_supplicant_ap_wps_pin(wpa_s
, params
->peer_interface_addr
,
1751 wpa_s
->p2p_pin
, NULL
, 0, 0);
1752 os_free(wpa_s
->go_params
);
1753 wpa_s
->go_params
= NULL
;
1757 static void wpas_start_wps_go(struct wpa_supplicant
*wpa_s
,
1758 struct p2p_go_neg_results
*params
,
1759 int group_formation
)
1761 struct wpa_ssid
*ssid
;
1763 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Starting GO");
1764 if (wpas_copy_go_neg_results(wpa_s
, params
) < 0) {
1765 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Could not copy GO Negotiation "
1770 ssid
= wpa_config_add_network(wpa_s
->conf
);
1772 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Could not add network for GO");
1776 wpa_s
->show_group_started
= 0;
1777 wpa_s
->p2p_go_group_formation_completed
= 0;
1778 wpa_s
->group_formation_reported
= 0;
1780 wpa_config_set_network_defaults(ssid
);
1781 ssid
->temporary
= 1;
1782 ssid
->p2p_group
= 1;
1783 ssid
->p2p_persistent_group
= params
->persistent_group
;
1784 ssid
->mode
= group_formation
? WPAS_MODE_P2P_GROUP_FORMATION
:
1786 ssid
->frequency
= params
->freq
;
1787 ssid
->ht40
= params
->ht40
;
1788 ssid
->vht
= params
->vht
;
1789 ssid
->ssid
= os_zalloc(params
->ssid_len
+ 1);
1791 os_memcpy(ssid
->ssid
, params
->ssid
, params
->ssid_len
);
1792 ssid
->ssid_len
= params
->ssid_len
;
1794 ssid
->auth_alg
= WPA_AUTH_ALG_OPEN
;
1795 ssid
->key_mgmt
= WPA_KEY_MGMT_PSK
;
1796 ssid
->proto
= WPA_PROTO_RSN
;
1797 ssid
->pairwise_cipher
= WPA_CIPHER_CCMP
;
1798 ssid
->group_cipher
= WPA_CIPHER_CCMP
;
1799 if (params
->freq
> 56160) {
1801 * Enable GCMP instead of CCMP as pairwise_cipher and
1802 * group_cipher in 60 GHz.
1804 ssid
->pairwise_cipher
= WPA_CIPHER_GCMP
;
1805 ssid
->group_cipher
= WPA_CIPHER_GCMP
;
1807 if (os_strlen(params
->passphrase
) > 0) {
1808 ssid
->passphrase
= os_strdup(params
->passphrase
);
1809 if (ssid
->passphrase
== NULL
) {
1810 wpa_msg_global(wpa_s
, MSG_ERROR
,
1811 "P2P: Failed to copy passphrase for GO");
1812 wpa_config_remove_network(wpa_s
->conf
, ssid
->id
);
1816 ssid
->passphrase
= NULL
;
1817 ssid
->psk_set
= params
->psk_set
;
1819 os_memcpy(ssid
->psk
, params
->psk
, sizeof(ssid
->psk
));
1820 else if (ssid
->passphrase
)
1821 wpa_config_update_psk(ssid
);
1822 ssid
->ap_max_inactivity
= wpa_s
->parent
->conf
->p2p_go_max_inactivity
;
1824 wpa_s
->ap_configured_cb
= p2p_go_configured
;
1825 wpa_s
->ap_configured_cb_ctx
= wpa_s
;
1826 wpa_s
->ap_configured_cb_data
= wpa_s
->go_params
;
1827 wpa_s
->scan_req
= NORMAL_SCAN_REQ
;
1828 wpa_s
->connect_without_scan
= ssid
;
1829 wpa_s
->reassociate
= 1;
1830 wpa_s
->disconnected
= 0;
1831 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Request scan (that will be skipped) to "
1833 wpa_supplicant_req_scan(wpa_s
, 0, 0);
1837 static void wpas_p2p_clone_config(struct wpa_supplicant
*dst
,
1838 const struct wpa_supplicant
*src
)
1840 struct wpa_config
*d
;
1841 const struct wpa_config
*s
;
1846 #define C(n) if (s->n) d->n = os_strdup(s->n)
1855 os_memcpy(d
->device_type
, s
->device_type
, WPS_DEV_TYPE_LEN
);
1856 os_memcpy(d
->sec_device_type
, s
->sec_device_type
,
1857 sizeof(d
->sec_device_type
));
1858 d
->num_sec_device_types
= s
->num_sec_device_types
;
1860 d
->p2p_group_idle
= s
->p2p_group_idle
;
1861 d
->p2p_intra_bss
= s
->p2p_intra_bss
;
1862 d
->persistent_reconnect
= s
->persistent_reconnect
;
1863 d
->max_num_sta
= s
->max_num_sta
;
1864 d
->pbc_in_m1
= s
->pbc_in_m1
;
1865 d
->ignore_old_scan_res
= s
->ignore_old_scan_res
;
1866 d
->beacon_int
= s
->beacon_int
;
1867 d
->dtim_period
= s
->dtim_period
;
1868 d
->p2p_go_ctwindow
= s
->p2p_go_ctwindow
;
1869 d
->disassoc_low_ack
= s
->disassoc_low_ack
;
1870 d
->disable_scan_offload
= s
->disable_scan_offload
;
1871 d
->passive_scan
= s
->passive_scan
;
1873 if (s
->wps_nfc_dh_privkey
&& s
->wps_nfc_dh_pubkey
) {
1874 d
->wps_nfc_dh_privkey
= wpabuf_dup(s
->wps_nfc_dh_privkey
);
1875 d
->wps_nfc_dh_pubkey
= wpabuf_dup(s
->wps_nfc_dh_pubkey
);
1880 static void wpas_p2p_get_group_ifname(struct wpa_supplicant
*wpa_s
,
1881 char *ifname
, size_t len
)
1883 char *ifname_ptr
= wpa_s
->ifname
;
1885 if (os_strncmp(wpa_s
->ifname
, P2P_MGMT_DEVICE_PREFIX
,
1886 os_strlen(P2P_MGMT_DEVICE_PREFIX
)) == 0) {
1887 ifname_ptr
= os_strrchr(wpa_s
->ifname
, '-') + 1;
1890 os_snprintf(ifname
, len
, "p2p-%s-%d", ifname_ptr
, wpa_s
->p2p_group_idx
);
1891 if (os_strlen(ifname
) >= IFNAMSIZ
&&
1892 os_strlen(wpa_s
->ifname
) < IFNAMSIZ
) {
1895 /* Try to avoid going over the IFNAMSIZ length limit */
1896 res
= os_snprintf(ifname
, len
, "p2p-%d", wpa_s
->p2p_group_idx
);
1897 if (os_snprintf_error(len
, res
) && len
)
1898 ifname
[len
- 1] = '\0';
1903 static int wpas_p2p_add_group_interface(struct wpa_supplicant
*wpa_s
,
1904 enum wpa_driver_if_type type
)
1906 char ifname
[120], force_ifname
[120];
1908 if (wpa_s
->pending_interface_name
[0]) {
1909 wpa_printf(MSG_DEBUG
, "P2P: Pending virtual interface exists "
1910 "- skip creation of a new one");
1911 if (is_zero_ether_addr(wpa_s
->pending_interface_addr
)) {
1912 wpa_printf(MSG_DEBUG
, "P2P: Pending virtual address "
1913 "unknown?! ifname='%s'",
1914 wpa_s
->pending_interface_name
);
1920 wpas_p2p_get_group_ifname(wpa_s
, ifname
, sizeof(ifname
));
1921 force_ifname
[0] = '\0';
1923 wpa_printf(MSG_DEBUG
, "P2P: Create a new interface %s for the group",
1925 wpa_s
->p2p_group_idx
++;
1927 wpa_s
->pending_interface_type
= type
;
1928 if (wpa_drv_if_add(wpa_s
, type
, ifname
, NULL
, NULL
, force_ifname
,
1929 wpa_s
->pending_interface_addr
, NULL
) < 0) {
1930 wpa_printf(MSG_ERROR
, "P2P: Failed to create new group "
1935 if (force_ifname
[0]) {
1936 wpa_printf(MSG_DEBUG
, "P2P: Driver forced interface name %s",
1938 os_strlcpy(wpa_s
->pending_interface_name
, force_ifname
,
1939 sizeof(wpa_s
->pending_interface_name
));
1941 os_strlcpy(wpa_s
->pending_interface_name
, ifname
,
1942 sizeof(wpa_s
->pending_interface_name
));
1943 wpa_printf(MSG_DEBUG
, "P2P: Created pending virtual interface %s addr "
1944 MACSTR
, wpa_s
->pending_interface_name
,
1945 MAC2STR(wpa_s
->pending_interface_addr
));
1951 static void wpas_p2p_remove_pending_group_interface(
1952 struct wpa_supplicant
*wpa_s
)
1954 if (!wpa_s
->pending_interface_name
[0] ||
1955 is_zero_ether_addr(wpa_s
->pending_interface_addr
))
1956 return; /* No pending virtual interface */
1958 wpa_printf(MSG_DEBUG
, "P2P: Removing pending group interface %s",
1959 wpa_s
->pending_interface_name
);
1960 wpa_drv_if_remove(wpa_s
, wpa_s
->pending_interface_type
,
1961 wpa_s
->pending_interface_name
);
1962 os_memset(wpa_s
->pending_interface_addr
, 0, ETH_ALEN
);
1963 wpa_s
->pending_interface_name
[0] = '\0';
1964 wpa_s
->global
->pending_group_iface_for_p2ps
= 0;
1968 static struct wpa_supplicant
*
1969 wpas_p2p_init_group_interface(struct wpa_supplicant
*wpa_s
, int go
)
1971 struct wpa_interface iface
;
1972 struct wpa_supplicant
*group_wpa_s
;
1974 if (!wpa_s
->pending_interface_name
[0]) {
1975 wpa_printf(MSG_ERROR
, "P2P: No pending group interface");
1976 if (!wpas_p2p_create_iface(wpa_s
))
1979 * Something has forced us to remove the pending interface; try
1980 * to create a new one and hope for the best that we will get
1981 * the same local address.
1983 if (wpas_p2p_add_group_interface(wpa_s
, go
? WPA_IF_P2P_GO
:
1984 WPA_IF_P2P_CLIENT
) < 0)
1988 os_memset(&iface
, 0, sizeof(iface
));
1989 iface
.ifname
= wpa_s
->pending_interface_name
;
1990 iface
.driver
= wpa_s
->driver
->name
;
1991 if (wpa_s
->conf
->ctrl_interface
== NULL
&&
1992 wpa_s
->parent
!= wpa_s
&&
1994 (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE
))
1995 iface
.ctrl_interface
= wpa_s
->parent
->conf
->ctrl_interface
;
1997 iface
.ctrl_interface
= wpa_s
->conf
->ctrl_interface
;
1998 iface
.driver_param
= wpa_s
->conf
->driver_param
;
1999 group_wpa_s
= wpa_supplicant_add_iface(wpa_s
->global
, &iface
, wpa_s
);
2000 if (group_wpa_s
== NULL
) {
2001 wpa_printf(MSG_ERROR
, "P2P: Failed to create new "
2002 "wpa_supplicant interface");
2005 wpa_s
->pending_interface_name
[0] = '\0';
2006 group_wpa_s
->p2p_group_interface
= go
? P2P_GROUP_INTERFACE_GO
:
2007 P2P_GROUP_INTERFACE_CLIENT
;
2008 wpa_s
->global
->p2p_group_formation
= group_wpa_s
;
2009 wpa_s
->global
->pending_group_iface_for_p2ps
= 0;
2011 wpas_p2p_clone_config(group_wpa_s
, wpa_s
);
2017 static void wpas_p2p_group_formation_timeout(void *eloop_ctx
,
2020 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
2021 wpa_printf(MSG_DEBUG
, "P2P: Group Formation timed out");
2022 wpas_p2p_group_formation_failed(wpa_s
);
2026 void wpas_p2p_group_formation_failed(struct wpa_supplicant
*wpa_s
)
2028 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
,
2029 wpa_s
->parent
, NULL
);
2030 if (wpa_s
->global
->p2p
)
2031 p2p_group_formation_failed(wpa_s
->global
->p2p
);
2032 wpas_group_formation_completed(wpa_s
, 0);
2036 static void wpas_p2p_grpform_fail_after_wps(struct wpa_supplicant
*wpa_s
)
2038 wpa_printf(MSG_DEBUG
, "P2P: Reject group formation due to WPS provisioning failure");
2039 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
,
2040 wpa_s
->parent
, NULL
);
2041 eloop_register_timeout(0, 0, wpas_p2p_group_formation_timeout
,
2042 wpa_s
->parent
, NULL
);
2043 wpa_s
->global
->p2p_fail_on_wps_complete
= 0;
2047 void wpas_p2p_ap_setup_failed(struct wpa_supplicant
*wpa_s
)
2049 if (wpa_s
->global
->p2p_group_formation
!= wpa_s
)
2051 /* Speed up group formation timeout since this cannot succeed */
2052 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
,
2053 wpa_s
->parent
, NULL
);
2054 eloop_register_timeout(0, 0, wpas_p2p_group_formation_timeout
,
2055 wpa_s
->parent
, NULL
);
2059 static void wpas_go_neg_completed(void *ctx
, struct p2p_go_neg_results
*res
)
2061 struct wpa_supplicant
*wpa_s
= ctx
;
2063 if (wpa_s
->off_channel_freq
|| wpa_s
->roc_waiting_drv_freq
) {
2064 wpa_drv_cancel_remain_on_channel(wpa_s
);
2065 wpa_s
->off_channel_freq
= 0;
2066 wpa_s
->roc_waiting_drv_freq
= 0;
2070 wpa_msg_global(wpa_s
, MSG_INFO
,
2071 P2P_EVENT_GO_NEG_FAILURE
"status=%d",
2073 wpas_notify_p2p_go_neg_completed(wpa_s
, res
);
2074 wpas_p2p_remove_pending_group_interface(wpa_s
);
2078 if (wpa_s
->p2p_go_ht40
)
2080 if (wpa_s
->p2p_go_vht
)
2083 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_GO_NEG_SUCCESS
"role=%s "
2084 "freq=%d ht40=%d peer_dev=" MACSTR
" peer_iface=" MACSTR
2086 res
->role_go
? "GO" : "client", res
->freq
, res
->ht40
,
2087 MAC2STR(res
->peer_device_addr
),
2088 MAC2STR(res
->peer_interface_addr
),
2089 p2p_wps_method_text(res
->wps_method
));
2090 wpas_notify_p2p_go_neg_completed(wpa_s
, res
);
2092 if (res
->role_go
&& wpa_s
->p2p_persistent_id
>= 0) {
2093 struct wpa_ssid
*ssid
;
2094 ssid
= wpa_config_get_network(wpa_s
->conf
,
2095 wpa_s
->p2p_persistent_id
);
2096 if (ssid
&& ssid
->disabled
== 2 &&
2097 ssid
->mode
== WPAS_MODE_P2P_GO
&& ssid
->passphrase
) {
2098 size_t len
= os_strlen(ssid
->passphrase
);
2099 wpa_printf(MSG_DEBUG
, "P2P: Override passphrase based "
2100 "on requested persistent group");
2101 os_memcpy(res
->passphrase
, ssid
->passphrase
, len
);
2102 res
->passphrase
[len
] = '\0';
2106 if (wpa_s
->create_p2p_iface
) {
2107 struct wpa_supplicant
*group_wpa_s
=
2108 wpas_p2p_init_group_interface(wpa_s
, res
->role_go
);
2109 if (group_wpa_s
== NULL
) {
2110 wpas_p2p_remove_pending_group_interface(wpa_s
);
2111 eloop_cancel_timeout(wpas_p2p_long_listen_timeout
,
2113 wpas_p2p_group_formation_failed(wpa_s
);
2116 if (group_wpa_s
!= wpa_s
) {
2117 os_memcpy(group_wpa_s
->p2p_pin
, wpa_s
->p2p_pin
,
2118 sizeof(group_wpa_s
->p2p_pin
));
2119 group_wpa_s
->p2p_wps_method
= wpa_s
->p2p_wps_method
;
2121 os_memset(wpa_s
->pending_interface_addr
, 0, ETH_ALEN
);
2122 wpa_s
->pending_interface_name
[0] = '\0';
2123 group_wpa_s
->p2p_in_provisioning
= 1;
2126 wpas_start_wps_go(group_wpa_s
, res
, 1);
2128 wpas_start_wps_enrollee(group_wpa_s
, res
);
2130 wpa_s
->p2p_in_provisioning
= 1;
2131 wpa_s
->global
->p2p_group_formation
= wpa_s
;
2134 wpas_start_wps_go(wpa_s
, res
, 1);
2136 wpas_start_wps_enrollee(ctx
, res
);
2139 wpa_s
->p2p_long_listen
= 0;
2140 eloop_cancel_timeout(wpas_p2p_long_listen_timeout
, wpa_s
, NULL
);
2142 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
, wpa_s
, NULL
);
2143 eloop_register_timeout(15 + res
->peer_config_timeout
/ 100,
2144 (res
->peer_config_timeout
% 100) * 10000,
2145 wpas_p2p_group_formation_timeout
, wpa_s
, NULL
);
2149 static void wpas_go_neg_req_rx(void *ctx
, const u8
*src
, u16 dev_passwd_id
,
2152 struct wpa_supplicant
*wpa_s
= ctx
;
2153 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_GO_NEG_REQUEST MACSTR
2154 " dev_passwd_id=%u go_intent=%u", MAC2STR(src
),
2155 dev_passwd_id
, go_intent
);
2157 wpas_notify_p2p_go_neg_req(wpa_s
, src
, dev_passwd_id
, go_intent
);
2161 static void wpas_dev_found(void *ctx
, const u8
*addr
,
2162 const struct p2p_peer_info
*info
,
2165 #ifndef CONFIG_NO_STDOUT_DEBUG
2166 struct wpa_supplicant
*wpa_s
= ctx
;
2167 char devtype
[WPS_DEV_TYPE_BUFSIZE
];
2168 char *wfd_dev_info_hex
= NULL
;
2170 #ifdef CONFIG_WIFI_DISPLAY
2171 wfd_dev_info_hex
= wifi_display_subelem_hex(info
->wfd_subelems
,
2172 WFD_SUBELEM_DEVICE_INFO
);
2173 #endif /* CONFIG_WIFI_DISPLAY */
2175 if (info
->p2ps_instance
) {
2177 const u8
*buf
= wpabuf_head(info
->p2ps_instance
);
2178 size_t len
= wpabuf_len(info
->p2ps_instance
);
2185 if (len
< 4 + 2 + 1)
2187 id
= WPA_GET_LE32(buf
);
2189 methods
= WPA_GET_BE16(buf
);
2192 if (str_len
> len
- 4 - 2 - 1)
2194 os_memcpy(str
, buf
, str_len
);
2195 str
[str_len
] = '\0';
2197 len
-= str_len
+ sizeof(u32
) + sizeof(u16
) + sizeof(u8
);
2199 wpa_msg_global(wpa_s
, MSG_INFO
,
2200 P2P_EVENT_DEVICE_FOUND MACSTR
2201 " p2p_dev_addr=" MACSTR
2202 " pri_dev_type=%s name='%s'"
2203 " config_methods=0x%x"
2206 " adv_id=%x asp_svc=%s%s",
2208 MAC2STR(info
->p2p_device_addr
),
2209 wps_dev_type_bin2str(
2211 devtype
, sizeof(devtype
)),
2212 info
->device_name
, methods
,
2213 info
->dev_capab
, info
->group_capab
,
2215 info
->vendor_elems
?
2216 " vendor_elems=1" : "");
2221 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_DEVICE_FOUND MACSTR
2222 " p2p_dev_addr=" MACSTR
2223 " pri_dev_type=%s name='%s' config_methods=0x%x "
2224 "dev_capab=0x%x group_capab=0x%x%s%s%s new=%d",
2225 MAC2STR(addr
), MAC2STR(info
->p2p_device_addr
),
2226 wps_dev_type_bin2str(info
->pri_dev_type
, devtype
,
2228 info
->device_name
, info
->config_methods
,
2229 info
->dev_capab
, info
->group_capab
,
2230 wfd_dev_info_hex
? " wfd_dev_info=0x" : "",
2231 wfd_dev_info_hex
? wfd_dev_info_hex
: "",
2232 info
->vendor_elems
? " vendor_elems=1" : "",
2236 os_free(wfd_dev_info_hex
);
2237 #endif /* CONFIG_NO_STDOUT_DEBUG */
2239 wpas_notify_p2p_device_found(ctx
, info
->p2p_device_addr
, new_device
);
2243 static void wpas_dev_lost(void *ctx
, const u8
*dev_addr
)
2245 struct wpa_supplicant
*wpa_s
= ctx
;
2247 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_DEVICE_LOST
2248 "p2p_dev_addr=" MACSTR
, MAC2STR(dev_addr
));
2250 wpas_notify_p2p_device_lost(wpa_s
, dev_addr
);
2254 static void wpas_find_stopped(void *ctx
)
2256 struct wpa_supplicant
*wpa_s
= ctx
;
2257 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_FIND_STOPPED
);
2258 wpas_notify_p2p_find_stopped(wpa_s
);
2262 struct wpas_p2p_listen_work
{
2264 unsigned int duration
;
2265 struct wpabuf
*probe_resp_ie
;
2269 static void wpas_p2p_listen_work_free(struct wpas_p2p_listen_work
*lwork
)
2273 wpabuf_free(lwork
->probe_resp_ie
);
2278 static void wpas_p2p_listen_work_done(struct wpa_supplicant
*wpa_s
)
2280 struct wpas_p2p_listen_work
*lwork
;
2282 if (!wpa_s
->p2p_listen_work
)
2285 lwork
= wpa_s
->p2p_listen_work
->ctx
;
2286 wpas_p2p_listen_work_free(lwork
);
2287 radio_work_done(wpa_s
->p2p_listen_work
);
2288 wpa_s
->p2p_listen_work
= NULL
;
2292 static void wpas_start_listen_cb(struct wpa_radio_work
*work
, int deinit
)
2294 struct wpa_supplicant
*wpa_s
= work
->wpa_s
;
2295 struct wpas_p2p_listen_work
*lwork
= work
->ctx
;
2296 unsigned int duration
;
2299 if (work
->started
) {
2300 wpa_s
->p2p_listen_work
= NULL
;
2301 wpas_stop_listen(wpa_s
);
2303 wpas_p2p_listen_work_free(lwork
);
2307 wpa_s
->p2p_listen_work
= work
;
2309 wpa_drv_set_ap_wps_ie(wpa_s
, NULL
, lwork
->probe_resp_ie
, NULL
);
2311 if (wpa_drv_probe_req_report(wpa_s
, 1) < 0) {
2312 wpa_printf(MSG_DEBUG
, "P2P: Failed to request the driver to "
2313 "report received Probe Request frames");
2314 wpas_p2p_listen_work_done(wpa_s
);
2318 wpa_s
->pending_listen_freq
= lwork
->freq
;
2319 wpa_s
->pending_listen_duration
= lwork
->duration
;
2321 duration
= lwork
->duration
;
2322 #ifdef CONFIG_TESTING_OPTIONS
2323 if (wpa_s
->extra_roc_dur
) {
2324 wpa_printf(MSG_DEBUG
, "TESTING: Increase ROC duration %u -> %u",
2325 duration
, duration
+ wpa_s
->extra_roc_dur
);
2326 duration
+= wpa_s
->extra_roc_dur
;
2328 #endif /* CONFIG_TESTING_OPTIONS */
2330 if (wpa_drv_remain_on_channel(wpa_s
, lwork
->freq
, duration
) < 0) {
2331 wpa_printf(MSG_DEBUG
, "P2P: Failed to request the driver "
2332 "to remain on channel (%u MHz) for Listen "
2333 "state", lwork
->freq
);
2334 wpas_p2p_listen_work_done(wpa_s
);
2335 wpa_s
->pending_listen_freq
= 0;
2338 wpa_s
->off_channel_freq
= 0;
2339 wpa_s
->roc_waiting_drv_freq
= lwork
->freq
;
2343 static int wpas_start_listen(void *ctx
, unsigned int freq
,
2344 unsigned int duration
,
2345 const struct wpabuf
*probe_resp_ie
)
2347 struct wpa_supplicant
*wpa_s
= ctx
;
2348 struct wpas_p2p_listen_work
*lwork
;
2350 if (wpa_s
->p2p_listen_work
) {
2351 wpa_printf(MSG_DEBUG
, "P2P: Reject start_listen since p2p_listen_work already exists");
2355 lwork
= os_zalloc(sizeof(*lwork
));
2359 lwork
->duration
= duration
;
2360 if (probe_resp_ie
) {
2361 lwork
->probe_resp_ie
= wpabuf_dup(probe_resp_ie
);
2362 if (lwork
->probe_resp_ie
== NULL
) {
2363 wpas_p2p_listen_work_free(lwork
);
2368 if (radio_add_work(wpa_s
, freq
, "p2p-listen", 0, wpas_start_listen_cb
,
2370 wpas_p2p_listen_work_free(lwork
);
2378 static void wpas_stop_listen(void *ctx
)
2380 struct wpa_supplicant
*wpa_s
= ctx
;
2381 if (wpa_s
->off_channel_freq
|| wpa_s
->roc_waiting_drv_freq
) {
2382 wpa_drv_cancel_remain_on_channel(wpa_s
);
2383 wpa_s
->off_channel_freq
= 0;
2384 wpa_s
->roc_waiting_drv_freq
= 0;
2386 wpa_drv_set_ap_wps_ie(wpa_s
, NULL
, NULL
, NULL
);
2387 wpa_drv_probe_req_report(wpa_s
, 0);
2388 wpas_p2p_listen_work_done(wpa_s
);
2392 static int wpas_send_probe_resp(void *ctx
, const struct wpabuf
*buf
)
2394 struct wpa_supplicant
*wpa_s
= ctx
;
2395 return wpa_drv_send_mlme(wpa_s
, wpabuf_head(buf
), wpabuf_len(buf
), 1);
2399 static void wpas_prov_disc_local_display(struct wpa_supplicant
*wpa_s
,
2400 const u8
*peer
, const char *params
,
2401 unsigned int generated_pin
)
2403 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_PROV_DISC_SHOW_PIN MACSTR
2404 " %08d%s", MAC2STR(peer
), generated_pin
, params
);
2408 static void wpas_prov_disc_local_keypad(struct wpa_supplicant
*wpa_s
,
2409 const u8
*peer
, const char *params
)
2411 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_PROV_DISC_ENTER_PIN MACSTR
2412 "%s", MAC2STR(peer
), params
);
2416 static void wpas_prov_disc_req(void *ctx
, const u8
*peer
, u16 config_methods
,
2417 const u8
*dev_addr
, const u8
*pri_dev_type
,
2418 const char *dev_name
, u16 supp_config_methods
,
2419 u8 dev_capab
, u8 group_capab
, const u8
*group_id
,
2420 size_t group_id_len
)
2422 struct wpa_supplicant
*wpa_s
= ctx
;
2423 char devtype
[WPS_DEV_TYPE_BUFSIZE
];
2425 u8 empty_dev_type
[8];
2426 unsigned int generated_pin
= 0;
2427 struct wpa_supplicant
*group
= NULL
;
2431 for (group
= wpa_s
->global
->ifaces
; group
; group
= group
->next
)
2433 struct wpa_ssid
*s
= group
->current_ssid
;
2435 s
->mode
== WPAS_MODE_P2P_GO
&&
2436 group_id_len
- ETH_ALEN
== s
->ssid_len
&&
2437 os_memcmp(group_id
+ ETH_ALEN
, s
->ssid
,
2443 if (pri_dev_type
== NULL
) {
2444 os_memset(empty_dev_type
, 0, sizeof(empty_dev_type
));
2445 pri_dev_type
= empty_dev_type
;
2447 res
= os_snprintf(params
, sizeof(params
), " p2p_dev_addr=" MACSTR
2448 " pri_dev_type=%s name='%s' config_methods=0x%x "
2449 "dev_capab=0x%x group_capab=0x%x%s%s",
2451 wps_dev_type_bin2str(pri_dev_type
, devtype
,
2453 dev_name
, supp_config_methods
, dev_capab
, group_capab
,
2454 group
? " group=" : "",
2455 group
? group
->ifname
: "");
2456 if (os_snprintf_error(sizeof(params
), res
))
2457 wpa_printf(MSG_DEBUG
, "P2P: PD Request event truncated");
2458 params
[sizeof(params
) - 1] = '\0';
2460 if (config_methods
& WPS_CONFIG_DISPLAY
) {
2461 generated_pin
= wps_generate_pin();
2462 wpas_prov_disc_local_display(wpa_s
, peer
, params
,
2464 } else if (config_methods
& WPS_CONFIG_KEYPAD
)
2465 wpas_prov_disc_local_keypad(wpa_s
, peer
, params
);
2466 else if (config_methods
& WPS_CONFIG_PUSHBUTTON
)
2467 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_PROV_DISC_PBC_REQ
2468 MACSTR
"%s", MAC2STR(peer
), params
);
2470 wpas_notify_p2p_provision_discovery(wpa_s
, peer
, 1 /* request */,
2471 P2P_PROV_DISC_SUCCESS
,
2472 config_methods
, generated_pin
);
2476 static void wpas_prov_disc_resp(void *ctx
, const u8
*peer
, u16 config_methods
)
2478 struct wpa_supplicant
*wpa_s
= ctx
;
2479 unsigned int generated_pin
= 0;
2482 if (wpa_s
->pending_pd_before_join
&&
2483 (os_memcmp(peer
, wpa_s
->pending_join_dev_addr
, ETH_ALEN
) == 0 ||
2484 os_memcmp(peer
, wpa_s
->pending_join_iface_addr
, ETH_ALEN
) == 0)) {
2485 wpa_s
->pending_pd_before_join
= 0;
2486 wpa_printf(MSG_DEBUG
, "P2P: Starting pending "
2487 "join-existing-group operation");
2488 wpas_p2p_join_start(wpa_s
, 0, NULL
, 0);
2492 if (wpa_s
->pending_pd_use
== AUTO_PD_JOIN
||
2493 wpa_s
->pending_pd_use
== AUTO_PD_GO_NEG
) {
2496 res
= os_snprintf(params
, sizeof(params
), " peer_go=%d",
2497 wpa_s
->pending_pd_use
== AUTO_PD_JOIN
);
2498 if (os_snprintf_error(sizeof(params
), res
))
2499 params
[sizeof(params
) - 1] = '\0';
2503 if (config_methods
& WPS_CONFIG_DISPLAY
)
2504 wpas_prov_disc_local_keypad(wpa_s
, peer
, params
);
2505 else if (config_methods
& WPS_CONFIG_KEYPAD
) {
2506 generated_pin
= wps_generate_pin();
2507 wpas_prov_disc_local_display(wpa_s
, peer
, params
,
2509 } else if (config_methods
& WPS_CONFIG_PUSHBUTTON
)
2510 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_PROV_DISC_PBC_RESP
2511 MACSTR
"%s", MAC2STR(peer
), params
);
2513 wpas_notify_p2p_provision_discovery(wpa_s
, peer
, 0 /* response */,
2514 P2P_PROV_DISC_SUCCESS
,
2515 config_methods
, generated_pin
);
2519 static void wpas_prov_disc_fail(void *ctx
, const u8
*peer
,
2520 enum p2p_prov_disc_status status
,
2521 u32 adv_id
, const u8
*adv_mac
,
2522 const char *deferred_session_resp
)
2524 struct wpa_supplicant
*wpa_s
= ctx
;
2526 if (wpa_s
->p2p_fallback_to_go_neg
) {
2527 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: PD for p2p_connect-auto "
2528 "failed - fall back to GO Negotiation");
2529 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
2530 P2P_EVENT_FALLBACK_TO_GO_NEG
2531 "reason=PD-failed");
2532 wpas_p2p_fallback_to_go_neg(wpa_s
, 0);
2536 if (status
== P2P_PROV_DISC_TIMEOUT_JOIN
) {
2537 wpa_s
->pending_pd_before_join
= 0;
2538 wpa_printf(MSG_DEBUG
, "P2P: Starting pending "
2539 "join-existing-group operation (no ACK for PD "
2541 wpas_p2p_join_start(wpa_s
, 0, NULL
, 0);
2545 if (adv_id
&& adv_mac
&& deferred_session_resp
) {
2546 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_PROV_DISC_FAILURE
2547 " p2p_dev_addr=" MACSTR
" status=%d adv_id=%x"
2548 " deferred_session_resp='%s'",
2549 MAC2STR(peer
), status
, adv_id
,
2550 deferred_session_resp
);
2551 } else if (adv_id
&& adv_mac
) {
2552 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_PROV_DISC_FAILURE
2553 " p2p_dev_addr=" MACSTR
" status=%d adv_id=%x",
2554 MAC2STR(peer
), status
, adv_id
);
2556 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_PROV_DISC_FAILURE
2557 " p2p_dev_addr=" MACSTR
" status=%d",
2558 MAC2STR(peer
), status
);
2561 wpas_notify_p2p_provision_discovery(wpa_s
, peer
, 0 /* response */,
2566 static int freq_included(const struct p2p_channels
*channels
, unsigned int freq
)
2568 if (channels
== NULL
)
2569 return 1; /* Assume no restrictions */
2570 return p2p_channels_includes_freq(channels
, freq
);
2576 * Pick the best frequency to use from all the currently used frequencies.
2578 static int wpas_p2p_pick_best_used_freq(struct wpa_supplicant
*wpa_s
,
2579 struct wpa_used_freq_data
*freqs
,
2584 /* find a candidate freq that is supported by P2P */
2585 for (c
= 0; c
< num
; c
++)
2586 if (p2p_supported_freq(wpa_s
->global
->p2p
, freqs
[c
].freq
))
2592 /* once we have a candidate, try to find a 'better' one */
2593 for (i
= c
+ 1; i
< num
; i
++) {
2594 if (!p2p_supported_freq(wpa_s
->global
->p2p
, freqs
[i
].freq
))
2598 * 1. Infrastructure station interfaces have higher preference.
2599 * 2. P2P Clients have higher preference.
2602 if (freqs
[i
].flags
& WPA_FREQ_USED_BY_INFRA_STATION
) {
2607 if ((freqs
[i
].flags
& WPA_FREQ_USED_BY_P2P_CLIENT
))
2610 return freqs
[c
].freq
;
2614 static u8
wpas_invitation_process(void *ctx
, const u8
*sa
, const u8
*bssid
,
2615 const u8
*go_dev_addr
, const u8
*ssid
,
2616 size_t ssid_len
, int *go
, u8
*group_bssid
,
2617 int *force_freq
, int persistent_group
,
2618 const struct p2p_channels
*channels
,
2621 struct wpa_supplicant
*wpa_s
= ctx
;
2623 struct wpa_used_freq_data
*freqs
;
2624 struct wpa_supplicant
*grp
;
2627 if (!persistent_group
) {
2628 wpa_printf(MSG_DEBUG
, "P2P: Invitation from " MACSTR
2629 " to join an active group (SSID: %s)",
2630 MAC2STR(sa
), wpa_ssid_txt(ssid
, ssid_len
));
2631 if (!is_zero_ether_addr(wpa_s
->p2p_auth_invite
) &&
2632 (os_memcmp(go_dev_addr
, wpa_s
->p2p_auth_invite
, ETH_ALEN
)
2634 os_memcmp(sa
, wpa_s
->p2p_auth_invite
, ETH_ALEN
) == 0)) {
2635 wpa_printf(MSG_DEBUG
, "P2P: Accept previously "
2636 "authorized invitation");
2640 #ifdef CONFIG_WPS_NFC
2641 if (dev_pw_id
>= 0 && wpa_s
->p2p_nfc_tag_enabled
&&
2642 dev_pw_id
== wpa_s
->p2p_oob_dev_pw_id
) {
2643 wpa_printf(MSG_DEBUG
, "P2P: Accept invitation based on local enabled NFC Tag");
2644 wpa_s
->p2p_wps_method
= WPS_NFC
;
2645 wpa_s
->pending_join_wps_method
= WPS_NFC
;
2646 os_memcpy(wpa_s
->pending_join_dev_addr
,
2647 go_dev_addr
, ETH_ALEN
);
2648 os_memcpy(wpa_s
->pending_join_iface_addr
,
2652 #endif /* CONFIG_WPS_NFC */
2655 * Do not accept the invitation automatically; notify user and
2658 return P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE
;
2661 grp
= wpas_get_p2p_group(wpa_s
, ssid
, ssid_len
, go
);
2663 wpa_printf(MSG_DEBUG
, "P2P: Accept invitation to already "
2664 "running persistent group");
2666 os_memcpy(group_bssid
, grp
->own_addr
, ETH_ALEN
);
2670 if (!is_zero_ether_addr(wpa_s
->p2p_auth_invite
) &&
2671 os_memcmp(sa
, wpa_s
->p2p_auth_invite
, ETH_ALEN
) == 0) {
2672 wpa_printf(MSG_DEBUG
, "P2P: Accept previously initiated "
2673 "invitation to re-invoke a persistent group");
2674 os_memset(wpa_s
->p2p_auth_invite
, 0, ETH_ALEN
);
2675 } else if (!wpa_s
->conf
->persistent_reconnect
)
2676 return P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE
;
2678 for (s
= wpa_s
->conf
->ssid
; s
; s
= s
->next
) {
2679 if (s
->disabled
== 2 &&
2680 os_memcmp(s
->bssid
, go_dev_addr
, ETH_ALEN
) == 0 &&
2681 s
->ssid_len
== ssid_len
&&
2682 os_memcmp(ssid
, s
->ssid
, ssid_len
) == 0)
2687 wpa_printf(MSG_DEBUG
, "P2P: Invitation from " MACSTR
2688 " requested reinvocation of an unknown group",
2690 return P2P_SC_FAIL_UNKNOWN_GROUP
;
2693 if (s
->mode
== WPAS_MODE_P2P_GO
&& !wpas_p2p_create_iface(wpa_s
)) {
2695 if (wpa_s
->wpa_state
>= WPA_AUTHENTICATING
) {
2696 wpa_printf(MSG_DEBUG
, "P2P: The only available "
2697 "interface is already in use - reject "
2699 return P2P_SC_FAIL_UNABLE_TO_ACCOMMODATE
;
2701 os_memcpy(group_bssid
, wpa_s
->own_addr
, ETH_ALEN
);
2702 } else if (s
->mode
== WPAS_MODE_P2P_GO
) {
2704 if (wpas_p2p_add_group_interface(wpa_s
, WPA_IF_P2P_GO
) < 0)
2706 wpa_printf(MSG_ERROR
, "P2P: Failed to allocate a new "
2707 "interface address for the group");
2708 return P2P_SC_FAIL_UNABLE_TO_ACCOMMODATE
;
2710 os_memcpy(group_bssid
, wpa_s
->pending_interface_addr
,
2715 wpas_p2p_set_own_freq_preference(wpa_s
, 0);
2718 freqs
= os_calloc(wpa_s
->num_multichan_concurrent
,
2719 sizeof(struct wpa_used_freq_data
));
2721 int num_channels
= wpa_s
->num_multichan_concurrent
;
2722 int num
= wpas_p2p_valid_oper_freqs(wpa_s
, freqs
, num_channels
);
2723 best_freq
= wpas_p2p_pick_best_used_freq(wpa_s
, freqs
, num
);
2727 /* Get one of the frequencies currently in use */
2728 if (best_freq
> 0) {
2729 wpa_printf(MSG_DEBUG
, "P2P: Trying to prefer a channel already used by one of the interfaces");
2730 wpas_p2p_set_own_freq_preference(wpa_s
, best_freq
);
2732 if (wpa_s
->num_multichan_concurrent
< 2 ||
2733 wpas_p2p_num_unused_channels(wpa_s
) < 1) {
2734 wpa_printf(MSG_DEBUG
, "P2P: No extra channels available - trying to force channel to match a channel already used by one of the interfaces");
2735 *force_freq
= best_freq
;
2739 if (*force_freq
> 0 && wpa_s
->num_multichan_concurrent
> 1 &&
2740 wpas_p2p_num_unused_channels(wpa_s
) > 0) {
2742 /* We are the client */
2743 wpa_printf(MSG_DEBUG
, "P2P: Peer was found to be "
2744 "running a GO but we are capable of MCC, "
2745 "figure out the best channel to use");
2747 } else if (!freq_included(channels
, *force_freq
)) {
2748 /* We are the GO, and *force_freq is not in the
2750 wpa_printf(MSG_DEBUG
, "P2P: Forced GO freq %d MHz not "
2751 "in intersection but we are capable of MCC, "
2752 "figure out the best channel to use",
2758 return P2P_SC_SUCCESS
;
2762 static void wpas_invitation_received(void *ctx
, const u8
*sa
, const u8
*bssid
,
2763 const u8
*ssid
, size_t ssid_len
,
2764 const u8
*go_dev_addr
, u8 status
,
2767 struct wpa_supplicant
*wpa_s
= ctx
;
2770 for (s
= wpa_s
->conf
->ssid
; s
; s
= s
->next
) {
2771 if (s
->disabled
== 2 &&
2772 s
->ssid_len
== ssid_len
&&
2773 os_memcmp(ssid
, s
->ssid
, ssid_len
) == 0)
2777 if (status
== P2P_SC_SUCCESS
) {
2778 wpa_printf(MSG_DEBUG
, "P2P: Invitation from peer " MACSTR
2779 " was accepted; op_freq=%d MHz, SSID=%s",
2780 MAC2STR(sa
), op_freq
, wpa_ssid_txt(ssid
, ssid_len
));
2782 int go
= s
->mode
== WPAS_MODE_P2P_GO
;
2783 wpas_p2p_group_add_persistent(
2784 wpa_s
, s
, go
, 0, op_freq
, 0, 0, NULL
,
2785 go
? P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE
: 0);
2787 wpa_s
->user_initiated_pd
= 0;
2788 wpas_p2p_join(wpa_s
, bssid
, go_dev_addr
,
2789 wpa_s
->p2p_wps_method
, 0, op_freq
,
2795 if (status
!= P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE
) {
2796 wpa_printf(MSG_DEBUG
, "P2P: Invitation from peer " MACSTR
2797 " was rejected (status %u)", MAC2STR(sa
), status
);
2803 wpa_msg_global(wpa_s
, MSG_INFO
,
2804 P2P_EVENT_INVITATION_RECEIVED
2805 "sa=" MACSTR
" go_dev_addr=" MACSTR
2806 " bssid=" MACSTR
" unknown-network",
2807 MAC2STR(sa
), MAC2STR(go_dev_addr
),
2810 wpa_msg_global(wpa_s
, MSG_INFO
,
2811 P2P_EVENT_INVITATION_RECEIVED
2812 "sa=" MACSTR
" go_dev_addr=" MACSTR
2814 MAC2STR(sa
), MAC2STR(go_dev_addr
));
2819 if (s
->mode
== WPAS_MODE_P2P_GO
&& op_freq
) {
2820 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_INVITATION_RECEIVED
2821 "sa=" MACSTR
" persistent=%d freq=%d",
2822 MAC2STR(sa
), s
->id
, op_freq
);
2824 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_INVITATION_RECEIVED
2825 "sa=" MACSTR
" persistent=%d",
2826 MAC2STR(sa
), s
->id
);
2831 static void wpas_remove_persistent_peer(struct wpa_supplicant
*wpa_s
,
2832 struct wpa_ssid
*ssid
,
2833 const u8
*peer
, int inv
)
2836 struct wpa_supplicant
*p2p_wpa_s
= wpa_s
->global
->p2p_init_wpa_s
;
2841 for (i
= 0; ssid
->p2p_client_list
&& i
< ssid
->num_p2p_clients
; i
++) {
2842 if (os_memcmp(ssid
->p2p_client_list
+ i
* 2 * ETH_ALEN
, peer
,
2846 if (i
>= ssid
->num_p2p_clients
|| !ssid
->p2p_client_list
) {
2847 if (ssid
->mode
!= WPAS_MODE_P2P_GO
&&
2848 os_memcmp(ssid
->bssid
, peer
, ETH_ALEN
) == 0) {
2849 wpa_printf(MSG_DEBUG
, "P2P: Remove persistent group %d "
2850 "due to invitation result", ssid
->id
);
2851 wpas_notify_network_removed(wpa_s
, ssid
);
2852 wpa_config_remove_network(wpa_s
->conf
, ssid
->id
);
2855 return; /* Peer not found in client list */
2858 wpa_printf(MSG_DEBUG
, "P2P: Remove peer " MACSTR
" from persistent "
2859 "group %d client list%s",
2860 MAC2STR(peer
), ssid
->id
,
2861 inv
? " due to invitation result" : "");
2862 os_memmove(ssid
->p2p_client_list
+ i
* 2 * ETH_ALEN
,
2863 ssid
->p2p_client_list
+ (i
+ 1) * 2 * ETH_ALEN
,
2864 (ssid
->num_p2p_clients
- i
- 1) * 2 * ETH_ALEN
);
2865 ssid
->num_p2p_clients
--;
2866 if (p2p_wpa_s
->conf
->update_config
&&
2867 wpa_config_write(p2p_wpa_s
->confname
, p2p_wpa_s
->conf
))
2868 wpa_printf(MSG_DEBUG
, "P2P: Failed to update configuration");
2872 static void wpas_remove_persistent_client(struct wpa_supplicant
*wpa_s
,
2875 struct wpa_ssid
*ssid
;
2877 wpa_s
= wpa_s
->global
->p2p_invite_group
;
2879 return; /* No known invitation group */
2880 ssid
= wpa_s
->current_ssid
;
2881 if (ssid
== NULL
|| ssid
->mode
!= WPAS_MODE_P2P_GO
||
2882 !ssid
->p2p_persistent_group
)
2883 return; /* Not operating as a GO in persistent group */
2884 ssid
= wpas_p2p_get_persistent(wpa_s
->parent
, peer
,
2885 ssid
->ssid
, ssid
->ssid_len
);
2886 wpas_remove_persistent_peer(wpa_s
, ssid
, peer
, 1);
2890 static void wpas_invitation_result(void *ctx
, int status
, const u8
*bssid
,
2891 const struct p2p_channels
*channels
,
2892 const u8
*peer
, int neg_freq
,
2895 struct wpa_supplicant
*wpa_s
= ctx
;
2896 struct wpa_ssid
*ssid
;
2900 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_INVITATION_RESULT
2901 "status=%d " MACSTR
,
2902 status
, MAC2STR(bssid
));
2904 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_INVITATION_RESULT
2905 "status=%d ", status
);
2907 wpas_notify_p2p_invitation_result(wpa_s
, status
, bssid
);
2909 wpa_printf(MSG_DEBUG
, "P2P: Invitation result - status=%d peer=" MACSTR
,
2910 status
, MAC2STR(peer
));
2911 if (wpa_s
->pending_invite_ssid_id
== -1) {
2912 if (status
== P2P_SC_FAIL_UNKNOWN_GROUP
)
2913 wpas_remove_persistent_client(wpa_s
, peer
);
2914 return; /* Invitation to active group */
2917 if (status
== P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE
) {
2918 wpa_printf(MSG_DEBUG
, "P2P: Waiting for peer to start another "
2919 "invitation exchange to indicate readiness for "
2923 if (status
!= P2P_SC_SUCCESS
) {
2924 if (status
== P2P_SC_FAIL_UNKNOWN_GROUP
) {
2925 ssid
= wpa_config_get_network(
2926 wpa_s
->conf
, wpa_s
->pending_invite_ssid_id
);
2927 wpas_remove_persistent_peer(wpa_s
, ssid
, peer
, 1);
2929 wpas_p2p_remove_pending_group_interface(wpa_s
);
2933 ssid
= wpa_config_get_network(wpa_s
->conf
,
2934 wpa_s
->pending_invite_ssid_id
);
2936 wpa_printf(MSG_ERROR
, "P2P: Could not find persistent group "
2937 "data matching with invitation");
2942 * The peer could have missed our ctrl::ack frame for Invitation
2943 * Response and continue retransmitting the frame. To reduce the
2944 * likelihood of the peer not getting successful TX status for the
2945 * Invitation Response frame, wait a short time here before starting
2946 * the persistent group so that we will remain on the current channel to
2947 * acknowledge any possible retransmission from the peer.
2949 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: 50 ms wait on current channel before "
2950 "starting persistent group");
2953 if (neg_freq
> 0 && ssid
->mode
== WPAS_MODE_P2P_GO
&&
2954 freq_included(channels
, neg_freq
))
2956 else if (peer_oper_freq
> 0 && ssid
->mode
!= WPAS_MODE_P2P_GO
&&
2957 freq_included(channels
, peer_oper_freq
))
2958 freq
= peer_oper_freq
;
2962 wpa_printf(MSG_DEBUG
, "P2P: Persistent group invitation success - op_freq=%d MHz SSID=%s",
2963 freq
, wpa_ssid_txt(ssid
->ssid
, ssid
->ssid_len
));
2964 wpas_p2p_group_add_persistent(wpa_s
, ssid
,
2965 ssid
->mode
== WPAS_MODE_P2P_GO
,
2966 wpa_s
->p2p_persistent_go_freq
,
2968 wpa_s
->p2p_go_ht40
, wpa_s
->p2p_go_vht
,
2970 ssid
->mode
== WPAS_MODE_P2P_GO
?
2971 P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE
:
2976 static int wpas_p2p_disallowed_freq(struct wpa_global
*global
,
2979 if (freq_range_list_includes(&global
->p2p_go_avoid_freq
, freq
))
2981 return freq_range_list_includes(&global
->p2p_disallow_freq
, freq
);
2985 static void wpas_p2p_add_chan(struct p2p_reg_class
*reg
, u8 chan
)
2987 reg
->channel
[reg
->channels
] = chan
;
2992 static int wpas_p2p_default_channels(struct wpa_supplicant
*wpa_s
,
2993 struct p2p_channels
*chan
,
2994 struct p2p_channels
*cli_chan
)
2998 wpa_s
->global
->p2p_24ghz_social_channels
= 1;
3000 os_memset(cli_chan
, 0, sizeof(*cli_chan
));
3002 wpa_printf(MSG_DEBUG
, "P2P: Enable operating classes for 2.4 GHz "
3005 /* Operating class 81 - 2.4 GHz band channels 1..13 */
3006 chan
->reg_class
[cla
].reg_class
= 81;
3007 chan
->reg_class
[cla
].channels
= 0;
3008 for (i
= 0; i
< 11; i
++) {
3009 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 2412 + i
* 5))
3010 wpas_p2p_add_chan(&chan
->reg_class
[cla
], i
+ 1);
3012 if (chan
->reg_class
[cla
].channels
)
3015 wpa_printf(MSG_DEBUG
, "P2P: Enable operating classes for lower 5 GHz "
3018 /* Operating class 115 - 5 GHz, channels 36-48 */
3019 chan
->reg_class
[cla
].reg_class
= 115;
3020 chan
->reg_class
[cla
].channels
= 0;
3021 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 5000 + 36 * 5))
3022 wpas_p2p_add_chan(&chan
->reg_class
[cla
], 36);
3023 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 5000 + 40 * 5))
3024 wpas_p2p_add_chan(&chan
->reg_class
[cla
], 40);
3025 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 5000 + 44 * 5))
3026 wpas_p2p_add_chan(&chan
->reg_class
[cla
], 44);
3027 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 5000 + 48 * 5))
3028 wpas_p2p_add_chan(&chan
->reg_class
[cla
], 48);
3029 if (chan
->reg_class
[cla
].channels
)
3032 wpa_printf(MSG_DEBUG
, "P2P: Enable operating classes for higher 5 GHz "
3035 /* Operating class 124 - 5 GHz, channels 149,153,157,161 */
3036 chan
->reg_class
[cla
].reg_class
= 124;
3037 chan
->reg_class
[cla
].channels
= 0;
3038 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 5000 + 149 * 5))
3039 wpas_p2p_add_chan(&chan
->reg_class
[cla
], 149);
3040 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 5000 + 153 * 5))
3041 wpas_p2p_add_chan(&chan
->reg_class
[cla
], 153);
3042 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 5000 + 156 * 5))
3043 wpas_p2p_add_chan(&chan
->reg_class
[cla
], 157);
3044 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 5000 + 161 * 5))
3045 wpas_p2p_add_chan(&chan
->reg_class
[cla
], 161);
3046 if (chan
->reg_class
[cla
].channels
)
3049 chan
->reg_classes
= cla
;
3054 static struct hostapd_hw_modes
* get_mode(struct hostapd_hw_modes
*modes
,
3056 enum hostapd_hw_mode mode
)
3060 for (i
= 0; i
< num_modes
; i
++) {
3061 if (modes
[i
].mode
== mode
)
3070 NOT_ALLOWED
, NO_IR
, ALLOWED
3073 static int has_channel(struct wpa_global
*global
,
3074 struct hostapd_hw_modes
*mode
, u8 chan
, int *flags
)
3079 freq
= (mode
->mode
== HOSTAPD_MODE_IEEE80211A
? 5000 : 2407) +
3081 if (wpas_p2p_disallowed_freq(global
, freq
))
3084 for (i
= 0; i
< mode
->num_channels
; i
++) {
3085 if (mode
->channels
[i
].chan
== chan
) {
3087 *flags
= mode
->channels
[i
].flag
;
3088 if (mode
->channels
[i
].flag
&
3089 (HOSTAPD_CHAN_DISABLED
|
3090 HOSTAPD_CHAN_RADAR
))
3092 if (mode
->channels
[i
].flag
& HOSTAPD_CHAN_NO_IR
)
3102 struct p2p_oper_class_map
{
3103 enum hostapd_hw_mode mode
;
3108 enum { BW20
, BW40PLUS
, BW40MINUS
, BW80
, BW2160
} bw
;
3111 static const struct p2p_oper_class_map op_class
[] = {
3112 { HOSTAPD_MODE_IEEE80211G
, 81, 1, 13, 1, BW20
},
3113 #if 0 /* Do not enable HT40 on 2 GHz for now */
3114 { HOSTAPD_MODE_IEEE80211G
, 83, 1, 9, 1, BW40PLUS
},
3115 { HOSTAPD_MODE_IEEE80211G
, 84, 5, 13, 1, BW40MINUS
},
3117 { HOSTAPD_MODE_IEEE80211A
, 115, 36, 48, 4, BW20
},
3118 { HOSTAPD_MODE_IEEE80211A
, 124, 149, 161, 4, BW20
},
3119 { HOSTAPD_MODE_IEEE80211A
, 116, 36, 44, 8, BW40PLUS
},
3120 { HOSTAPD_MODE_IEEE80211A
, 117, 40, 48, 8, BW40MINUS
},
3121 { HOSTAPD_MODE_IEEE80211A
, 126, 149, 157, 8, BW40PLUS
},
3122 { HOSTAPD_MODE_IEEE80211A
, 127, 153, 161, 8, BW40MINUS
},
3125 * IEEE P802.11ac/D7.0 Table E-4 actually talks about channel center
3126 * frequency index 42, 58, 106, 122, 138, 155 with channel spacing of
3127 * 80 MHz, but currently use the following definition for simplicity
3128 * (these center frequencies are not actual channels, which makes
3129 * has_channel() fail). wpas_p2p_verify_80mhz() should take care of
3130 * removing invalid channels.
3132 { HOSTAPD_MODE_IEEE80211A
, 128, 36, 161, 4, BW80
},
3133 { HOSTAPD_MODE_IEEE80211AD
, 180, 1, 4, 1, BW2160
},
3134 { -1, 0, 0, 0, 0, BW20
}
3138 static int wpas_p2p_get_center_80mhz(struct wpa_supplicant
*wpa_s
,
3139 struct hostapd_hw_modes
*mode
,
3142 u8 center_channels
[] = { 42, 58, 106, 122, 138, 155 };
3145 if (mode
->mode
!= HOSTAPD_MODE_IEEE80211A
)
3148 for (i
= 0; i
< ARRAY_SIZE(center_channels
); i
++)
3150 * In 80 MHz, the bandwidth "spans" 12 channels (e.g., 36-48),
3151 * so the center channel is 6 channels away from the start/end.
3153 if (channel
>= center_channels
[i
] - 6 &&
3154 channel
<= center_channels
[i
] + 6)
3155 return center_channels
[i
];
3161 static enum chan_allowed
wpas_p2p_verify_80mhz(struct wpa_supplicant
*wpa_s
,
3162 struct hostapd_hw_modes
*mode
,
3167 enum chan_allowed res
, ret
= ALLOWED
;
3169 center_chan
= wpas_p2p_get_center_80mhz(wpa_s
, mode
, channel
);
3172 if (center_chan
>= 58 && center_chan
<= 138)
3173 return NOT_ALLOWED
; /* Do not allow DFS channels for P2P */
3175 /* check all the channels are available */
3176 for (i
= 0; i
< 4; i
++) {
3177 int adj_chan
= center_chan
- 6 + i
* 4;
3179 res
= has_channel(wpa_s
->global
, mode
, adj_chan
, &flags
);
3180 if (res
== NOT_ALLOWED
)
3185 if (i
== 0 && !(flags
& HOSTAPD_CHAN_VHT_10_70
))
3187 if (i
== 1 && !(flags
& HOSTAPD_CHAN_VHT_30_50
))
3189 if (i
== 2 && !(flags
& HOSTAPD_CHAN_VHT_50_30
))
3191 if (i
== 3 && !(flags
& HOSTAPD_CHAN_VHT_70_10
))
3199 static enum chan_allowed
wpas_p2p_verify_channel(struct wpa_supplicant
*wpa_s
,
3200 struct hostapd_hw_modes
*mode
,
3204 enum chan_allowed res
, res2
;
3206 res2
= res
= has_channel(wpa_s
->global
, mode
, channel
, &flag
);
3207 if (bw
== BW40MINUS
) {
3208 if (!(flag
& HOSTAPD_CHAN_HT40MINUS
))
3210 res2
= has_channel(wpa_s
->global
, mode
, channel
- 4, NULL
);
3211 } else if (bw
== BW40PLUS
) {
3212 if (!(flag
& HOSTAPD_CHAN_HT40PLUS
))
3214 res2
= has_channel(wpa_s
->global
, mode
, channel
+ 4, NULL
);
3215 } else if (bw
== BW80
) {
3216 res2
= wpas_p2p_verify_80mhz(wpa_s
, mode
, channel
, bw
);
3219 if (res
== NOT_ALLOWED
|| res2
== NOT_ALLOWED
)
3221 if (res
== NO_IR
|| res2
== NO_IR
)
3227 static int wpas_p2p_setup_channels(struct wpa_supplicant
*wpa_s
,
3228 struct p2p_channels
*chan
,
3229 struct p2p_channels
*cli_chan
)
3231 struct hostapd_hw_modes
*mode
;
3232 int cla
, op
, cli_cla
;
3234 if (wpa_s
->hw
.modes
== NULL
) {
3235 wpa_printf(MSG_DEBUG
, "P2P: Driver did not support fetching "
3236 "of all supported channels; assume dualband "
3238 return wpas_p2p_default_channels(wpa_s
, chan
, cli_chan
);
3243 for (op
= 0; op_class
[op
].op_class
; op
++) {
3244 const struct p2p_oper_class_map
*o
= &op_class
[op
];
3246 struct p2p_reg_class
*reg
= NULL
, *cli_reg
= NULL
;
3248 mode
= get_mode(wpa_s
->hw
.modes
, wpa_s
->hw
.num_modes
, o
->mode
);
3251 if (mode
->mode
== HOSTAPD_MODE_IEEE80211G
)
3252 wpa_s
->global
->p2p_24ghz_social_channels
= 1;
3253 for (ch
= o
->min_chan
; ch
<= o
->max_chan
; ch
+= o
->inc
) {
3254 enum chan_allowed res
;
3255 res
= wpas_p2p_verify_channel(wpa_s
, mode
, ch
, o
->bw
);
3256 if (res
== ALLOWED
) {
3258 wpa_printf(MSG_DEBUG
, "P2P: Add operating class %u",
3260 reg
= &chan
->reg_class
[cla
];
3262 reg
->reg_class
= o
->op_class
;
3264 reg
->channel
[reg
->channels
] = ch
;
3266 } else if (res
== NO_IR
&&
3267 wpa_s
->conf
->p2p_add_cli_chan
) {
3268 if (cli_reg
== NULL
) {
3269 wpa_printf(MSG_DEBUG
, "P2P: Add operating class %u (client only)",
3271 cli_reg
= &cli_chan
->reg_class
[cli_cla
];
3273 cli_reg
->reg_class
= o
->op_class
;
3275 cli_reg
->channel
[cli_reg
->channels
] = ch
;
3276 cli_reg
->channels
++;
3280 wpa_hexdump(MSG_DEBUG
, "P2P: Channels",
3281 reg
->channel
, reg
->channels
);
3284 wpa_hexdump(MSG_DEBUG
, "P2P: Channels (client only)",
3285 cli_reg
->channel
, cli_reg
->channels
);
3289 chan
->reg_classes
= cla
;
3290 cli_chan
->reg_classes
= cli_cla
;
3296 int wpas_p2p_get_ht40_mode(struct wpa_supplicant
*wpa_s
,
3297 struct hostapd_hw_modes
*mode
, u8 channel
)
3300 enum chan_allowed ret
;
3302 for (op
= 0; op_class
[op
].op_class
; op
++) {
3303 const struct p2p_oper_class_map
*o
= &op_class
[op
];
3306 for (ch
= o
->min_chan
; ch
<= o
->max_chan
; ch
+= o
->inc
) {
3307 if (o
->mode
!= HOSTAPD_MODE_IEEE80211A
||
3308 o
->bw
== BW20
|| ch
!= channel
)
3310 ret
= wpas_p2p_verify_channel(wpa_s
, mode
, ch
, o
->bw
);
3312 return (o
->bw
== BW40MINUS
) ? -1 : 1;
3319 int wpas_p2p_get_vht80_center(struct wpa_supplicant
*wpa_s
,
3320 struct hostapd_hw_modes
*mode
, u8 channel
)
3322 if (!wpas_p2p_verify_channel(wpa_s
, mode
, channel
, BW80
))
3325 return wpas_p2p_get_center_80mhz(wpa_s
, mode
, channel
);
3329 static int wpas_get_noa(void *ctx
, const u8
*interface_addr
, u8
*buf
,
3332 struct wpa_supplicant
*wpa_s
= ctx
;
3334 for (wpa_s
= wpa_s
->global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
3335 if (os_memcmp(wpa_s
->own_addr
, interface_addr
, ETH_ALEN
) == 0)
3341 return wpa_drv_get_noa(wpa_s
, buf
, buf_len
);
3345 struct wpa_supplicant
* wpas_get_p2p_go_iface(struct wpa_supplicant
*wpa_s
,
3346 const u8
*ssid
, size_t ssid_len
)
3348 for (wpa_s
= wpa_s
->global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
3349 struct wpa_ssid
*s
= wpa_s
->current_ssid
;
3352 if (s
->mode
!= WPAS_MODE_P2P_GO
&&
3353 s
->mode
!= WPAS_MODE_AP
&&
3354 s
->mode
!= WPAS_MODE_P2P_GROUP_FORMATION
)
3356 if (s
->ssid_len
!= ssid_len
||
3357 os_memcmp(ssid
, s
->ssid
, ssid_len
) != 0)
3367 struct wpa_supplicant
* wpas_get_p2p_client_iface(struct wpa_supplicant
*wpa_s
,
3368 const u8
*peer_dev_addr
)
3370 for (wpa_s
= wpa_s
->global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
3371 struct wpa_ssid
*ssid
= wpa_s
->current_ssid
;
3374 if (ssid
->mode
!= WPAS_MODE_INFRA
)
3376 if (wpa_s
->wpa_state
!= WPA_COMPLETED
&&
3377 wpa_s
->wpa_state
!= WPA_GROUP_HANDSHAKE
)
3379 if (os_memcmp(wpa_s
->go_dev_addr
, peer_dev_addr
, ETH_ALEN
) == 0)
3387 static int wpas_go_connected(void *ctx
, const u8
*dev_addr
)
3389 struct wpa_supplicant
*wpa_s
= ctx
;
3391 return wpas_get_p2p_client_iface(wpa_s
, dev_addr
) != NULL
;
3395 static int wpas_is_concurrent_session_active(void *ctx
)
3397 struct wpa_supplicant
*wpa_s
= ctx
;
3398 struct wpa_supplicant
*ifs
;
3400 for (ifs
= wpa_s
->global
->ifaces
; ifs
; ifs
= ifs
->next
) {
3403 if (ifs
->wpa_state
> WPA_ASSOCIATED
)
3410 static void wpas_p2p_debug_print(void *ctx
, int level
, const char *msg
)
3412 struct wpa_supplicant
*wpa_s
= ctx
;
3413 wpa_msg_global(wpa_s
, level
, "P2P: %s", msg
);
3417 int wpas_p2p_add_p2pdev_interface(struct wpa_supplicant
*wpa_s
,
3418 const char *conf_p2p_dev
)
3420 struct wpa_interface iface
;
3421 struct wpa_supplicant
*p2pdev_wpa_s
;
3423 char force_name
[100];
3426 ret
= os_snprintf(ifname
, sizeof(ifname
), P2P_MGMT_DEVICE_PREFIX
"%s",
3428 if (os_snprintf_error(sizeof(ifname
), ret
))
3430 force_name
[0] = '\0';
3431 wpa_s
->pending_interface_type
= WPA_IF_P2P_DEVICE
;
3432 ret
= wpa_drv_if_add(wpa_s
, WPA_IF_P2P_DEVICE
, ifname
, NULL
, NULL
,
3433 force_name
, wpa_s
->pending_interface_addr
, NULL
);
3435 wpa_printf(MSG_DEBUG
, "P2P: Failed to create P2P Device interface");
3438 os_strlcpy(wpa_s
->pending_interface_name
, ifname
,
3439 sizeof(wpa_s
->pending_interface_name
));
3441 os_memset(&iface
, 0, sizeof(iface
));
3443 iface
.ifname
= wpa_s
->pending_interface_name
;
3444 iface
.driver
= wpa_s
->driver
->name
;
3445 iface
.driver_param
= wpa_s
->conf
->driver_param
;
3448 * If a P2P Device configuration file was given, use it as the interface
3449 * configuration file (instead of using parent's configuration file.
3452 iface
.confname
= conf_p2p_dev
;
3453 iface
.ctrl_interface
= NULL
;
3455 iface
.confname
= wpa_s
->confname
;
3456 iface
.ctrl_interface
= wpa_s
->conf
->ctrl_interface
;
3458 iface
.conf_p2p_dev
= NULL
;
3460 p2pdev_wpa_s
= wpa_supplicant_add_iface(wpa_s
->global
, &iface
, wpa_s
);
3461 if (!p2pdev_wpa_s
) {
3462 wpa_printf(MSG_DEBUG
, "P2P: Failed to add P2P Device interface");
3466 wpa_s
->pending_interface_name
[0] = '\0';
3471 static void wpas_presence_resp(void *ctx
, const u8
*src
, u8 status
,
3472 const u8
*noa
, size_t noa_len
)
3474 struct wpa_supplicant
*wpa_s
, *intf
= ctx
;
3477 for (wpa_s
= intf
->global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
3478 if (wpa_s
->waiting_presence_resp
)
3482 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: No group interface was waiting for presence response");
3485 wpa_s
->waiting_presence_resp
= 0;
3487 wpa_snprintf_hex(hex
, sizeof(hex
), noa
, noa_len
);
3488 wpa_msg(wpa_s
, MSG_INFO
, P2P_EVENT_PRESENCE_RESPONSE
"src=" MACSTR
3489 " status=%u noa=%s", MAC2STR(src
), status
, hex
);
3493 static int wpas_get_persistent_group(void *ctx
, const u8
*addr
, const u8
*ssid
,
3494 size_t ssid_len
, u8
*go_dev_addr
,
3495 u8
*ret_ssid
, size_t *ret_ssid_len
)
3497 struct wpa_supplicant
*wpa_s
= ctx
;
3500 s
= wpas_p2p_get_persistent(wpa_s
, addr
, ssid
, ssid_len
);
3502 os_memcpy(ret_ssid
, s
->ssid
, s
->ssid_len
);
3503 *ret_ssid_len
= s
->ssid_len
;
3504 os_memcpy(go_dev_addr
, s
->bssid
, ETH_ALEN
);
3512 static int wpas_get_go_info(void *ctx
, u8
*intended_addr
,
3513 u8
*ssid
, size_t *ssid_len
, int *group_iface
)
3515 struct wpa_supplicant
*wpa_s
= ctx
;
3519 s
= wpas_p2p_group_go_ssid(wpa_s
, bssid
);
3521 s
= wpas_p2p_get_persistent_go(wpa_s
);
3523 os_memcpy(bssid
, s
->bssid
, ETH_ALEN
);
3526 *group_iface
= wpas_p2p_create_iface(wpa_s
);
3530 os_memcpy(intended_addr
, bssid
, ETH_ALEN
);
3531 os_memcpy(ssid
, s
->ssid
, s
->ssid_len
);
3532 *ssid_len
= s
->ssid_len
;
3538 static int wpas_remove_stale_groups(void *ctx
, const u8
*peer
, const u8
*go
,
3539 const u8
*ssid
, size_t ssid_len
)
3541 struct wpa_supplicant
*wpa_s
= ctx
;
3543 int save_config
= 0;
3546 /* Start with our first choice of Persistent Groups */
3547 while ((s
= wpas_p2p_get_persistent(wpa_s
, peer
, NULL
, 0))) {
3548 if (go
&& ssid
&& ssid_len
&&
3549 s
->ssid_len
== ssid_len
&&
3550 os_memcmp(go
, s
->bssid
, ETH_ALEN
) == 0 &&
3551 os_memcmp(ssid
, s
->ssid
, ssid_len
) == 0)
3554 /* Remove stale persistent group */
3555 if (s
->mode
!= WPAS_MODE_P2P_GO
|| s
->num_p2p_clients
<= 1) {
3556 wpa_config_remove_network(wpa_s
->conf
, s
->id
);
3561 for (i
= 0; i
< s
->num_p2p_clients
; i
++) {
3562 if (os_memcmp(s
->p2p_client_list
+ i
* 2 * ETH_ALEN
,
3563 peer
, ETH_ALEN
) != 0)
3566 os_memmove(s
->p2p_client_list
+ i
* 2 * ETH_ALEN
,
3567 s
->p2p_client_list
+ (i
+ 1) * 2 * ETH_ALEN
,
3568 (s
->num_p2p_clients
- i
- 1) * 2 * ETH_ALEN
);
3571 s
->num_p2p_clients
--;
3576 p2p_config_write(wpa_s
);
3578 /* Return TRUE if valid SSID remains */
3583 static void wpas_p2ps_prov_complete(void *ctx
, u8 status
, const u8
*dev
,
3584 const u8
*adv_mac
, const u8
*ses_mac
,
3585 const u8
*grp_mac
, u32 adv_id
, u32 ses_id
,
3586 u8 conncap
, int passwd_id
,
3587 const u8
*persist_ssid
,
3588 size_t persist_ssid_size
, int response_done
,
3589 int prov_start
, const char *session_info
)
3591 struct wpa_supplicant
*wpa_s
= ctx
;
3593 struct wpa_ssid
*persistent_go
, *stale
, *s
;
3594 int save_config
= 0;
3595 struct wpa_supplicant
*go_wpa_s
;
3600 os_memset(mac
, 0, ETH_ALEN
);
3609 if (session_info
== NULL
) {
3610 wpa_msg_global(wpa_s
, MSG_INFO
,
3611 P2P_EVENT_P2PS_PROVISION_START MACSTR
3612 " adv_id=%x conncap=%x"
3614 " session=%x mac=" MACSTR
3615 " dev_passwd_id=%d",
3616 MAC2STR(dev
), adv_id
, conncap
,
3618 ses_id
, MAC2STR(ses_mac
),
3621 wpa_msg_global(wpa_s
, MSG_INFO
,
3622 P2P_EVENT_P2PS_PROVISION_START MACSTR
3623 " adv_id=%x conncap=%x"
3625 " session=%x mac=" MACSTR
3626 " dev_passwd_id=%d info='%s'",
3627 MAC2STR(dev
), adv_id
, conncap
,
3629 ses_id
, MAC2STR(ses_mac
),
3630 passwd_id
, session_info
);
3635 go_wpa_s
= wpas_p2p_get_go_group(wpa_s
);
3636 persistent_go
= wpas_p2p_get_persistent_go(wpa_s
);
3638 if (status
&& status
!= P2P_SC_SUCCESS_DEFERRED
) {
3639 if (go_wpa_s
&& !p2p_group_go_member_count(wpa_s
))
3640 wpas_p2p_group_remove(wpa_s
, go_wpa_s
->ifname
);
3642 if (persistent_go
&& !persistent_go
->num_p2p_clients
) {
3643 /* remove empty persistent GO */
3644 wpa_config_remove_network(wpa_s
->conf
,
3648 wpa_msg_global(wpa_s
, MSG_INFO
,
3649 P2P_EVENT_P2PS_PROVISION_DONE MACSTR
3651 " adv_id=%x adv_mac=" MACSTR
3652 " session=%x mac=" MACSTR
,
3653 MAC2STR(dev
), status
,
3654 adv_id
, MAC2STR(adv_mac
),
3655 ses_id
, MAC2STR(ses_mac
));
3659 /* Clean up stale persistent groups with this device */
3660 s
= wpas_p2p_get_persistent(wpa_s
, dev
, persist_ssid
,
3663 stale
= wpas_p2p_get_persistent(wpa_s
, dev
, NULL
, 0);
3667 if (s
&& s
->ssid_len
== stale
->ssid_len
&&
3668 os_memcmp(stale
->bssid
, s
->bssid
, ETH_ALEN
) == 0 &&
3669 os_memcmp(stale
->ssid
, s
->ssid
, s
->ssid_len
) == 0)
3672 /* Remove stale persistent group */
3673 if (stale
->mode
!= WPAS_MODE_P2P_GO
||
3674 stale
->num_p2p_clients
<= 1) {
3675 wpa_config_remove_network(wpa_s
->conf
, stale
->id
);
3679 for (i
= 0; i
< stale
->num_p2p_clients
; i
++) {
3680 if (os_memcmp(stale
->p2p_client_list
+
3682 dev
, ETH_ALEN
) == 0) {
3683 os_memmove(stale
->p2p_client_list
+
3685 stale
->p2p_client_list
+
3687 (stale
->num_p2p_clients
-
3692 stale
->num_p2p_clients
--;
3698 p2p_config_write(wpa_s
);
3701 if (go_wpa_s
&& !p2p_group_go_member_count(wpa_s
))
3702 wpas_p2p_group_remove(wpa_s
, go_wpa_s
->ifname
);
3704 if (persistent_go
&& s
!= persistent_go
&&
3705 !persistent_go
->num_p2p_clients
) {
3706 /* remove empty persistent GO */
3707 wpa_config_remove_network(wpa_s
->conf
,
3712 wpa_msg_global(wpa_s
, MSG_INFO
,
3713 P2P_EVENT_P2PS_PROVISION_DONE MACSTR
3715 " adv_id=%x adv_mac=" MACSTR
3716 " session=%x mac=" MACSTR
3718 MAC2STR(dev
), status
,
3719 adv_id
, MAC2STR(adv_mac
),
3720 ses_id
, MAC2STR(ses_mac
), s
->id
);
3724 if (conncap
== P2PS_SETUP_GROUP_OWNER
) {
3725 const char *go_ifname
= NULL
;
3727 wpa_s
->global
->pending_p2ps_group
= 1;
3729 if (wpa_s
->conf
->p2p_no_group_iface
)
3730 go_ifname
= wpa_s
->ifname
;
3731 else if (wpa_s
->pending_interface_name
[0])
3732 go_ifname
= wpa_s
->pending_interface_name
;
3735 wpas_p2ps_prov_complete(
3736 wpa_s
, P2P_SC_FAIL_UNKNOWN_GROUP
,
3737 dev
, adv_mac
, ses_mac
,
3738 NULL
, adv_id
, ses_id
, 0, 0,
3739 NULL
, 0, 0, 0, NULL
);
3743 /* If PD Resp complete, start up the GO */
3744 if (response_done
&& persistent_go
) {
3745 wpas_p2p_group_add_persistent(
3746 wpa_s
, persistent_go
,
3747 0, 0, 0, 0, 0, NULL
,
3748 persistent_go
->mode
==
3750 P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE
:
3752 } else if (response_done
) {
3753 wpas_p2p_group_add(wpa_s
, 1, 0, 0, 0);
3756 if (passwd_id
== DEV_PW_P2PS_DEFAULT
) {
3757 os_memcpy(wpa_s
->p2ps_join_addr
, dev
, ETH_ALEN
);
3758 wpa_s
->p2ps_join_addr_valid
= 1;
3759 wpa_dbg(wpa_s
, MSG_DEBUG
,
3760 "P2PS: Saving PIN for " MACSTR
,
3763 } else if (passwd_id
== DEV_PW_P2PS_DEFAULT
) {
3764 go_ifname
= go_wpa_s
->ifname
;
3766 wpa_dbg(go_wpa_s
, MSG_DEBUG
,
3767 "P2P: Setting PIN-1 For " MACSTR
, MAC2STR(dev
));
3768 wpa_supplicant_ap_wps_pin(go_wpa_s
, dev
, "12345670",
3771 os_memcpy(wpa_s
->p2ps_join_addr
, dev
, ETH_ALEN
);
3772 wpa_s
->p2ps_join_addr_valid
= 1;
3773 wpa_dbg(wpa_s
, MSG_DEBUG
,
3774 "P2PS: Saving PIN for " MACSTR
, MAC2STR(dev
));
3777 wpa_msg_global(wpa_s
, MSG_INFO
,
3778 P2P_EVENT_P2PS_PROVISION_DONE MACSTR
3779 " status=%d conncap=%x"
3780 " adv_id=%x adv_mac=" MACSTR
3781 " session=%x mac=" MACSTR
3782 " dev_passwd_id=%d go=%s",
3783 MAC2STR(dev
), status
, conncap
,
3784 adv_id
, MAC2STR(adv_mac
),
3785 ses_id
, MAC2STR(ses_mac
),
3786 passwd_id
, go_ifname
);
3790 if (go_wpa_s
&& !p2p_group_go_member_count(wpa_s
))
3791 wpas_p2p_group_remove(wpa_s
, go_wpa_s
->ifname
);
3793 if (persistent_go
&& !persistent_go
->num_p2p_clients
) {
3794 /* remove empty persistent GO */
3795 wpa_config_remove_network(wpa_s
->conf
, persistent_go
->id
);
3798 if (conncap
== P2PS_SETUP_CLIENT
) {
3799 wpa_msg_global(wpa_s
, MSG_INFO
,
3800 P2P_EVENT_P2PS_PROVISION_DONE MACSTR
3801 " status=%d conncap=%x"
3802 " adv_id=%x adv_mac=" MACSTR
3803 " session=%x mac=" MACSTR
3804 " dev_passwd_id=%d join=" MACSTR
,
3805 MAC2STR(dev
), status
, conncap
,
3806 adv_id
, MAC2STR(adv_mac
),
3807 ses_id
, MAC2STR(ses_mac
),
3808 passwd_id
, MAC2STR(grp_mac
));
3810 wpa_msg_global(wpa_s
, MSG_INFO
,
3811 P2P_EVENT_P2PS_PROVISION_DONE MACSTR
3812 " status=%d conncap=%x"
3813 " adv_id=%x adv_mac=" MACSTR
3814 " session=%x mac=" MACSTR
3815 " dev_passwd_id=%d",
3816 MAC2STR(dev
), status
, conncap
,
3817 adv_id
, MAC2STR(adv_mac
),
3818 ses_id
, MAC2STR(ses_mac
),
3824 static int _wpas_p2p_in_progress(void *ctx
)
3826 struct wpa_supplicant
*wpa_s
= ctx
;
3827 return wpas_p2p_in_progress(wpa_s
);
3831 static int wpas_prov_disc_resp_cb(void *ctx
)
3833 struct wpa_supplicant
*wpa_s
= ctx
;
3834 struct wpa_ssid
*persistent_go
;
3836 if (!wpa_s
->global
->pending_p2ps_group
)
3839 wpa_s
->global
->pending_p2ps_group
= 0;
3841 if (wpas_p2p_get_go_group(wpa_s
))
3843 persistent_go
= wpas_p2p_get_persistent_go(wpa_s
);
3845 if (persistent_go
) {
3846 wpas_p2p_group_add_persistent(
3847 wpa_s
, persistent_go
, 0, 0, 0, 0, 0, NULL
,
3848 persistent_go
->mode
== WPAS_MODE_P2P_GO
?
3849 P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE
: 0);
3851 wpas_p2p_group_add(wpa_s
, 1, 0, 0, 0);
3859 * wpas_p2p_init - Initialize P2P module for %wpa_supplicant
3860 * @global: Pointer to global data from wpa_supplicant_init()
3861 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
3862 * Returns: 0 on success, -1 on failure
3864 int wpas_p2p_init(struct wpa_global
*global
, struct wpa_supplicant
*wpa_s
)
3866 struct p2p_config p2p
;
3869 if (wpa_s
->conf
->p2p_disabled
)
3872 if (!(wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_P2P_CAPABLE
))
3878 os_memset(&p2p
, 0, sizeof(p2p
));
3880 p2p
.debug_print
= wpas_p2p_debug_print
;
3881 p2p
.p2p_scan
= wpas_p2p_scan
;
3882 p2p
.send_action
= wpas_send_action
;
3883 p2p
.send_action_done
= wpas_send_action_done
;
3884 p2p
.go_neg_completed
= wpas_go_neg_completed
;
3885 p2p
.go_neg_req_rx
= wpas_go_neg_req_rx
;
3886 p2p
.dev_found
= wpas_dev_found
;
3887 p2p
.dev_lost
= wpas_dev_lost
;
3888 p2p
.find_stopped
= wpas_find_stopped
;
3889 p2p
.start_listen
= wpas_start_listen
;
3890 p2p
.stop_listen
= wpas_stop_listen
;
3891 p2p
.send_probe_resp
= wpas_send_probe_resp
;
3892 p2p
.sd_request
= wpas_sd_request
;
3893 p2p
.sd_response
= wpas_sd_response
;
3894 p2p
.prov_disc_req
= wpas_prov_disc_req
;
3895 p2p
.prov_disc_resp
= wpas_prov_disc_resp
;
3896 p2p
.prov_disc_fail
= wpas_prov_disc_fail
;
3897 p2p
.invitation_process
= wpas_invitation_process
;
3898 p2p
.invitation_received
= wpas_invitation_received
;
3899 p2p
.invitation_result
= wpas_invitation_result
;
3900 p2p
.get_noa
= wpas_get_noa
;
3901 p2p
.go_connected
= wpas_go_connected
;
3902 p2p
.presence_resp
= wpas_presence_resp
;
3903 p2p
.is_concurrent_session_active
= wpas_is_concurrent_session_active
;
3904 p2p
.is_p2p_in_progress
= _wpas_p2p_in_progress
;
3905 p2p
.get_persistent_group
= wpas_get_persistent_group
;
3906 p2p
.get_go_info
= wpas_get_go_info
;
3907 p2p
.remove_stale_groups
= wpas_remove_stale_groups
;
3908 p2p
.p2ps_prov_complete
= wpas_p2ps_prov_complete
;
3909 p2p
.prov_disc_resp_cb
= wpas_prov_disc_resp_cb
;
3910 p2p
.p2ps_group_capability
= p2ps_group_capability
;
3912 os_memcpy(wpa_s
->global
->p2p_dev_addr
, wpa_s
->own_addr
, ETH_ALEN
);
3913 os_memcpy(p2p
.dev_addr
, wpa_s
->global
->p2p_dev_addr
, ETH_ALEN
);
3914 p2p
.dev_name
= wpa_s
->conf
->device_name
;
3915 p2p
.manufacturer
= wpa_s
->conf
->manufacturer
;
3916 p2p
.model_name
= wpa_s
->conf
->model_name
;
3917 p2p
.model_number
= wpa_s
->conf
->model_number
;
3918 p2p
.serial_number
= wpa_s
->conf
->serial_number
;
3920 os_memcpy(p2p
.uuid
, wpa_s
->wps
->uuid
, 16);
3921 p2p
.config_methods
= wpa_s
->wps
->config_methods
;
3924 if (wpas_p2p_setup_channels(wpa_s
, &p2p
.channels
, &p2p
.cli_channels
)) {
3925 wpa_printf(MSG_ERROR
,
3926 "P2P: Failed to configure supported channel list");
3930 if (wpa_s
->conf
->p2p_listen_reg_class
&&
3931 wpa_s
->conf
->p2p_listen_channel
) {
3932 p2p
.reg_class
= wpa_s
->conf
->p2p_listen_reg_class
;
3933 p2p
.channel
= wpa_s
->conf
->p2p_listen_channel
;
3934 p2p
.channel_forced
= 1;
3937 * Pick one of the social channels randomly as the listen
3940 if (p2p_config_get_random_social(&p2p
, &p2p
.reg_class
,
3941 &p2p
.channel
) != 0) {
3942 wpa_printf(MSG_INFO
,
3943 "P2P: No social channels supported by the driver - do not enable P2P");
3946 p2p
.channel_forced
= 0;
3948 wpa_printf(MSG_DEBUG
, "P2P: Own listen channel: %d:%d",
3949 p2p
.reg_class
, p2p
.channel
);
3951 if (wpa_s
->conf
->p2p_oper_reg_class
&&
3952 wpa_s
->conf
->p2p_oper_channel
) {
3953 p2p
.op_reg_class
= wpa_s
->conf
->p2p_oper_reg_class
;
3954 p2p
.op_channel
= wpa_s
->conf
->p2p_oper_channel
;
3955 p2p
.cfg_op_channel
= 1;
3956 wpa_printf(MSG_DEBUG
, "P2P: Configured operating channel: "
3957 "%d:%d", p2p
.op_reg_class
, p2p
.op_channel
);
3961 * Use random operation channel from 2.4 GHz band social
3962 * channels (1, 6, 11) or band 60 GHz social channel (2) if no
3963 * other preference is indicated.
3965 if (p2p_config_get_random_social(&p2p
, &p2p
.op_reg_class
,
3966 &p2p
.op_channel
) != 0) {
3967 wpa_printf(MSG_ERROR
,
3968 "P2P: Failed to select random social channel as operation channel");
3971 p2p
.cfg_op_channel
= 0;
3972 wpa_printf(MSG_DEBUG
, "P2P: Random operating channel: "
3973 "%d:%d", p2p
.op_reg_class
, p2p
.op_channel
);
3976 if (wpa_s
->conf
->p2p_pref_chan
&& wpa_s
->conf
->num_p2p_pref_chan
) {
3977 p2p
.pref_chan
= wpa_s
->conf
->p2p_pref_chan
;
3978 p2p
.num_pref_chan
= wpa_s
->conf
->num_p2p_pref_chan
;
3981 if (wpa_s
->conf
->country
[0] && wpa_s
->conf
->country
[1]) {
3982 os_memcpy(p2p
.country
, wpa_s
->conf
->country
, 2);
3983 p2p
.country
[2] = 0x04;
3985 os_memcpy(p2p
.country
, "XX\x04", 3);
3987 os_memcpy(p2p
.pri_dev_type
, wpa_s
->conf
->device_type
,
3990 p2p
.num_sec_dev_types
= wpa_s
->conf
->num_sec_device_types
;
3991 os_memcpy(p2p
.sec_dev_type
, wpa_s
->conf
->sec_device_type
,
3992 p2p
.num_sec_dev_types
* WPS_DEV_TYPE_LEN
);
3994 p2p
.concurrent_operations
= !!(wpa_s
->drv_flags
&
3995 WPA_DRIVER_FLAGS_P2P_CONCURRENT
);
3997 p2p
.max_peers
= 100;
3999 if (wpa_s
->conf
->p2p_ssid_postfix
) {
4000 p2p
.ssid_postfix_len
=
4001 os_strlen(wpa_s
->conf
->p2p_ssid_postfix
);
4002 if (p2p
.ssid_postfix_len
> sizeof(p2p
.ssid_postfix
))
4003 p2p
.ssid_postfix_len
= sizeof(p2p
.ssid_postfix
);
4004 os_memcpy(p2p
.ssid_postfix
, wpa_s
->conf
->p2p_ssid_postfix
,
4005 p2p
.ssid_postfix_len
);
4008 p2p
.p2p_intra_bss
= wpa_s
->conf
->p2p_intra_bss
;
4010 p2p
.max_listen
= wpa_s
->max_remain_on_chan
;
4012 if (wpa_s
->conf
->p2p_passphrase_len
>= 8 &&
4013 wpa_s
->conf
->p2p_passphrase_len
<= 63)
4014 p2p
.passphrase_len
= wpa_s
->conf
->p2p_passphrase_len
;
4016 p2p
.passphrase_len
= 8;
4018 global
->p2p
= p2p_init(&p2p
);
4019 if (global
->p2p
== NULL
)
4021 global
->p2p_init_wpa_s
= wpa_s
;
4023 for (i
= 0; i
< MAX_WPS_VENDOR_EXT
; i
++) {
4024 if (wpa_s
->conf
->wps_vendor_ext
[i
] == NULL
)
4026 p2p_add_wps_vendor_extension(
4027 global
->p2p
, wpa_s
->conf
->wps_vendor_ext
[i
]);
4030 p2p_set_no_go_freq(global
->p2p
, &wpa_s
->conf
->p2p_no_go_freq
);
4037 * wpas_p2p_deinit - Deinitialize per-interface P2P data
4038 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
4040 * This function deinitialize per-interface P2P data.
4042 void wpas_p2p_deinit(struct wpa_supplicant
*wpa_s
)
4044 if (wpa_s
->driver
&& wpa_s
->drv_priv
)
4045 wpa_drv_probe_req_report(wpa_s
, 0);
4047 if (wpa_s
->go_params
) {
4048 /* Clear any stored provisioning info */
4049 p2p_clear_provisioning_info(
4051 wpa_s
->go_params
->peer_device_addr
);
4054 os_free(wpa_s
->go_params
);
4055 wpa_s
->go_params
= NULL
;
4056 eloop_cancel_timeout(wpas_p2p_psk_failure_removal
, wpa_s
, NULL
);
4057 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
, wpa_s
, NULL
);
4058 eloop_cancel_timeout(wpas_p2p_join_scan
, wpa_s
, NULL
);
4059 wpa_s
->p2p_long_listen
= 0;
4060 eloop_cancel_timeout(wpas_p2p_long_listen_timeout
, wpa_s
, NULL
);
4061 eloop_cancel_timeout(wpas_p2p_group_idle_timeout
, wpa_s
, NULL
);
4062 wpas_p2p_remove_pending_group_interface(wpa_s
);
4063 eloop_cancel_timeout(wpas_p2p_group_freq_conflict
, wpa_s
, NULL
);
4064 wpas_p2p_listen_work_done(wpa_s
);
4065 if (wpa_s
->p2p_send_action_work
) {
4066 os_free(wpa_s
->p2p_send_action_work
->ctx
);
4067 radio_work_done(wpa_s
->p2p_send_action_work
);
4068 wpa_s
->p2p_send_action_work
= NULL
;
4070 eloop_cancel_timeout(wpas_p2p_send_action_work_timeout
, wpa_s
, NULL
);
4072 wpabuf_free(wpa_s
->p2p_oob_dev_pw
);
4073 wpa_s
->p2p_oob_dev_pw
= NULL
;
4075 os_free(wpa_s
->p2p_group_common_freqs
);
4076 wpa_s
->p2p_group_common_freqs
= NULL
;
4077 wpa_s
->p2p_group_common_freqs_num
= 0;
4079 /* TODO: remove group interface from the driver if this wpa_s instance
4080 * is on top of a P2P group interface */
4085 * wpas_p2p_deinit_global - Deinitialize global P2P module
4086 * @global: Pointer to global data from wpa_supplicant_init()
4088 * This function deinitializes the global (per device) P2P module.
4090 static void wpas_p2p_deinit_global(struct wpa_global
*global
)
4092 struct wpa_supplicant
*wpa_s
, *tmp
;
4094 wpa_s
= global
->ifaces
;
4096 wpas_p2p_service_flush(global
->p2p_init_wpa_s
);
4098 /* Remove remaining P2P group interfaces */
4099 while (wpa_s
&& wpa_s
->p2p_group_interface
!= NOT_P2P_GROUP_INTERFACE
)
4100 wpa_s
= wpa_s
->next
;
4102 tmp
= global
->ifaces
;
4105 tmp
->p2p_group_interface
== NOT_P2P_GROUP_INTERFACE
)) {
4110 /* Disconnect from the P2P group and deinit the interface */
4111 wpas_p2p_disconnect(tmp
);
4115 * Deinit GO data on any possibly remaining interface (if main
4116 * interface is used as GO).
4118 for (wpa_s
= global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
4119 if (wpa_s
->ap_iface
)
4120 wpas_p2p_group_deinit(wpa_s
);
4123 p2p_deinit(global
->p2p
);
4125 global
->p2p_init_wpa_s
= NULL
;
4129 static int wpas_p2p_create_iface(struct wpa_supplicant
*wpa_s
)
4131 if (!(wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE
) &&
4132 wpa_s
->conf
->p2p_no_group_iface
)
4133 return 0; /* separate interface disabled per configuration */
4134 if (wpa_s
->drv_flags
&
4135 (WPA_DRIVER_FLAGS_P2P_DEDICATED_INTERFACE
|
4136 WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P
))
4137 return 1; /* P2P group requires a new interface in every case
4139 if (!(wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_P2P_CONCURRENT
))
4140 return 0; /* driver does not support concurrent operations */
4141 if (wpa_s
->global
->ifaces
->next
)
4142 return 1; /* more that one interface already in use */
4143 if (wpa_s
->wpa_state
>= WPA_AUTHENTICATING
)
4144 return 1; /* this interface is already in use */
4149 static int wpas_p2p_start_go_neg(struct wpa_supplicant
*wpa_s
,
4150 const u8
*peer_addr
,
4151 enum p2p_wps_method wps_method
,
4152 int go_intent
, const u8
*own_interface_addr
,
4153 unsigned int force_freq
, int persistent_group
,
4154 struct wpa_ssid
*ssid
, unsigned int pref_freq
)
4156 if (persistent_group
&& wpa_s
->conf
->persistent_reconnect
)
4157 persistent_group
= 2;
4160 * Increase GO config timeout if HT40 is used since it takes some time
4161 * to scan channels for coex purposes before the BSS can be started.
4163 p2p_set_config_timeout(wpa_s
->global
->p2p
,
4164 wpa_s
->p2p_go_ht40
? 255 : 100, 20);
4166 return p2p_connect(wpa_s
->global
->p2p
, peer_addr
, wps_method
,
4167 go_intent
, own_interface_addr
, force_freq
,
4168 persistent_group
, ssid
? ssid
->ssid
: NULL
,
4169 ssid
? ssid
->ssid_len
: 0,
4170 wpa_s
->p2p_pd_before_go_neg
, pref_freq
,
4171 wps_method
== WPS_NFC
? wpa_s
->p2p_oob_dev_pw_id
:
4176 static int wpas_p2p_auth_go_neg(struct wpa_supplicant
*wpa_s
,
4177 const u8
*peer_addr
,
4178 enum p2p_wps_method wps_method
,
4179 int go_intent
, const u8
*own_interface_addr
,
4180 unsigned int force_freq
, int persistent_group
,
4181 struct wpa_ssid
*ssid
, unsigned int pref_freq
)
4183 if (persistent_group
&& wpa_s
->conf
->persistent_reconnect
)
4184 persistent_group
= 2;
4186 return p2p_authorize(wpa_s
->global
->p2p
, peer_addr
, wps_method
,
4187 go_intent
, own_interface_addr
, force_freq
,
4188 persistent_group
, ssid
? ssid
->ssid
: NULL
,
4189 ssid
? ssid
->ssid_len
: 0, pref_freq
,
4190 wps_method
== WPS_NFC
? wpa_s
->p2p_oob_dev_pw_id
:
4195 static void wpas_p2p_check_join_scan_limit(struct wpa_supplicant
*wpa_s
)
4197 wpa_s
->p2p_join_scan_count
++;
4198 wpa_printf(MSG_DEBUG
, "P2P: Join scan attempt %d",
4199 wpa_s
->p2p_join_scan_count
);
4200 if (wpa_s
->p2p_join_scan_count
> P2P_MAX_JOIN_SCAN_ATTEMPTS
) {
4201 wpa_printf(MSG_DEBUG
, "P2P: Failed to find GO " MACSTR
4202 " for join operationg - stop join attempt",
4203 MAC2STR(wpa_s
->pending_join_iface_addr
));
4204 eloop_cancel_timeout(wpas_p2p_join_scan
, wpa_s
, NULL
);
4205 if (wpa_s
->p2p_auto_pd
) {
4206 wpa_s
->p2p_auto_pd
= 0;
4207 wpa_msg_global(wpa_s
, MSG_INFO
,
4208 P2P_EVENT_PROV_DISC_FAILURE
4209 " p2p_dev_addr=" MACSTR
" status=N/A",
4210 MAC2STR(wpa_s
->pending_join_dev_addr
));
4213 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
4214 P2P_EVENT_GROUP_FORMATION_FAILURE
);
4219 static int wpas_check_freq_conflict(struct wpa_supplicant
*wpa_s
, int freq
)
4222 unsigned int num
, i
;
4223 struct wpa_used_freq_data
*freqs
;
4225 if (wpas_p2p_num_unused_channels(wpa_s
) > 0) {
4226 /* Multiple channels are supported and not all are in use */
4230 freqs
= os_calloc(wpa_s
->num_multichan_concurrent
,
4231 sizeof(struct wpa_used_freq_data
));
4235 num
= wpas_p2p_valid_oper_freqs(wpa_s
, freqs
,
4236 wpa_s
->num_multichan_concurrent
);
4238 for (i
= 0; i
< num
; i
++) {
4239 if (freqs
[i
].freq
== freq
) {
4240 wpa_printf(MSG_DEBUG
, "P2P: Frequency %d MHz in use by another virtual interface and can be used",
4247 wpa_printf(MSG_DEBUG
, "P2P: No valid operating frequencies");
4256 static int wpas_p2p_peer_go(struct wpa_supplicant
*wpa_s
,
4257 const u8
*peer_dev_addr
)
4259 struct wpa_bss
*bss
;
4262 bss
= wpa_bss_get_p2p_dev_addr(wpa_s
, peer_dev_addr
);
4265 if (bss
->last_update_idx
< wpa_s
->bss_update_idx
) {
4266 wpa_printf(MSG_DEBUG
, "P2P: Peer BSS entry not updated in the "
4271 updated
= os_reltime_before(&wpa_s
->p2p_auto_started
,
4273 wpa_printf(MSG_DEBUG
, "P2P: Current BSS entry for peer updated at "
4274 "%ld.%06ld (%supdated in last scan)",
4275 bss
->last_update
.sec
, bss
->last_update
.usec
,
4276 updated
? "": "not ");
4282 static void wpas_p2p_scan_res_join(struct wpa_supplicant
*wpa_s
,
4283 struct wpa_scan_results
*scan_res
)
4285 struct wpa_bss
*bss
= NULL
;
4287 u8 iface_addr
[ETH_ALEN
];
4289 eloop_cancel_timeout(wpas_p2p_join_scan
, wpa_s
, NULL
);
4291 if (wpa_s
->global
->p2p_disabled
)
4294 wpa_printf(MSG_DEBUG
, "P2P: Scan results received (%d BSS) for %sjoin",
4295 scan_res
? (int) scan_res
->num
: -1,
4296 wpa_s
->p2p_auto_join
? "auto_" : "");
4299 wpas_p2p_scan_res_handler(wpa_s
, scan_res
);
4301 if (wpa_s
->p2p_auto_pd
) {
4302 int join
= wpas_p2p_peer_go(wpa_s
,
4303 wpa_s
->pending_join_dev_addr
);
4305 wpa_s
->auto_pd_scan_retry
< P2P_AUTO_PD_SCAN_ATTEMPTS
) {
4306 wpa_s
->auto_pd_scan_retry
++;
4307 bss
= wpa_bss_get_bssid_latest(
4308 wpa_s
, wpa_s
->pending_join_dev_addr
);
4311 wpa_printf(MSG_DEBUG
, "P2P: Scan retry %d for "
4312 "the peer " MACSTR
" at %d MHz",
4313 wpa_s
->auto_pd_scan_retry
,
4315 pending_join_dev_addr
),
4317 wpas_p2p_join_scan_req(wpa_s
, freq
, NULL
, 0);
4325 wpa_s
->p2p_auto_pd
= 0;
4326 wpa_s
->pending_pd_use
= join
? AUTO_PD_JOIN
: AUTO_PD_GO_NEG
;
4327 wpa_printf(MSG_DEBUG
, "P2P: Auto PD with " MACSTR
" join=%d",
4328 MAC2STR(wpa_s
->pending_join_dev_addr
), join
);
4329 if (p2p_prov_disc_req(wpa_s
->global
->p2p
,
4330 wpa_s
->pending_join_dev_addr
, NULL
,
4331 wpa_s
->pending_pd_config_methods
, join
,
4332 0, wpa_s
->user_initiated_pd
) < 0) {
4333 wpa_s
->p2p_auto_pd
= 0;
4334 wpa_msg_global(wpa_s
, MSG_INFO
,
4335 P2P_EVENT_PROV_DISC_FAILURE
4336 " p2p_dev_addr=" MACSTR
" status=N/A",
4337 MAC2STR(wpa_s
->pending_join_dev_addr
));
4342 if (wpa_s
->p2p_auto_join
) {
4343 int join
= wpas_p2p_peer_go(wpa_s
,
4344 wpa_s
->pending_join_dev_addr
);
4346 wpa_printf(MSG_DEBUG
, "P2P: Peer was not found to be "
4347 "running a GO -> use GO Negotiation");
4348 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
4349 P2P_EVENT_FALLBACK_TO_GO_NEG
4350 "reason=peer-not-running-GO");
4351 wpas_p2p_connect(wpa_s
, wpa_s
->pending_join_dev_addr
,
4352 wpa_s
->p2p_pin
, wpa_s
->p2p_wps_method
,
4353 wpa_s
->p2p_persistent_group
, 0, 0, 0,
4354 wpa_s
->p2p_go_intent
,
4355 wpa_s
->p2p_connect_freq
,
4356 wpa_s
->p2p_persistent_id
,
4357 wpa_s
->p2p_pd_before_go_neg
,
4363 wpa_printf(MSG_DEBUG
, "P2P: Peer was found running GO%s -> "
4364 "try to join the group", join
? "" :
4367 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
4368 P2P_EVENT_FALLBACK_TO_GO_NEG_ENABLED
);
4369 wpa_s
->p2p_fallback_to_go_neg
= 1;
4373 freq
= p2p_get_oper_freq(wpa_s
->global
->p2p
,
4374 wpa_s
->pending_join_iface_addr
);
4376 p2p_get_interface_addr(wpa_s
->global
->p2p
,
4377 wpa_s
->pending_join_dev_addr
,
4379 os_memcmp(iface_addr
, wpa_s
->pending_join_dev_addr
, ETH_ALEN
) != 0
4380 && !wpa_bss_get_bssid(wpa_s
, wpa_s
->pending_join_iface_addr
)) {
4381 wpa_printf(MSG_DEBUG
, "P2P: Overwrite pending interface "
4382 "address for join from " MACSTR
" to " MACSTR
4383 " based on newly discovered P2P peer entry",
4384 MAC2STR(wpa_s
->pending_join_iface_addr
),
4385 MAC2STR(iface_addr
));
4386 os_memcpy(wpa_s
->pending_join_iface_addr
, iface_addr
,
4389 freq
= p2p_get_oper_freq(wpa_s
->global
->p2p
,
4390 wpa_s
->pending_join_iface_addr
);
4393 wpa_printf(MSG_DEBUG
, "P2P: Target GO operating frequency "
4394 "from P2P peer table: %d MHz", freq
);
4396 if (wpa_s
->p2p_join_ssid_len
) {
4397 wpa_printf(MSG_DEBUG
, "P2P: Trying to find target GO BSS entry based on BSSID "
4398 MACSTR
" and SSID %s",
4399 MAC2STR(wpa_s
->pending_join_iface_addr
),
4400 wpa_ssid_txt(wpa_s
->p2p_join_ssid
,
4401 wpa_s
->p2p_join_ssid_len
));
4402 bss
= wpa_bss_get(wpa_s
, wpa_s
->pending_join_iface_addr
,
4403 wpa_s
->p2p_join_ssid
,
4404 wpa_s
->p2p_join_ssid_len
);
4407 wpa_printf(MSG_DEBUG
, "P2P: Trying to find target GO BSS entry based on BSSID "
4408 MACSTR
, MAC2STR(wpa_s
->pending_join_iface_addr
));
4409 bss
= wpa_bss_get_bssid_latest(wpa_s
,
4410 wpa_s
->pending_join_iface_addr
);
4414 wpa_printf(MSG_DEBUG
, "P2P: Target GO operating frequency "
4415 "from BSS table: %d MHz (SSID %s)", freq
,
4416 wpa_ssid_txt(bss
->ssid
, bss
->ssid_len
));
4421 if (wpas_check_freq_conflict(wpa_s
, freq
) > 0) {
4422 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
4423 P2P_EVENT_GROUP_FORMATION_FAILURE
4424 "reason=FREQ_CONFLICT");
4428 wpa_printf(MSG_DEBUG
, "P2P: Send Provision Discovery Request "
4429 "prior to joining an existing group (GO " MACSTR
4431 MAC2STR(wpa_s
->pending_join_dev_addr
), freq
);
4432 wpa_s
->pending_pd_before_join
= 1;
4434 switch (wpa_s
->pending_join_wps_method
) {
4435 case WPS_PIN_DISPLAY
:
4436 method
= WPS_CONFIG_KEYPAD
;
4438 case WPS_PIN_KEYPAD
:
4439 method
= WPS_CONFIG_DISPLAY
;
4442 method
= WPS_CONFIG_PUSHBUTTON
;
4449 if ((p2p_get_provisioning_info(wpa_s
->global
->p2p
,
4450 wpa_s
->pending_join_dev_addr
) ==
4453 * We have already performed provision discovery for
4454 * joining the group. Proceed directly to join
4455 * operation without duplicated provision discovery. */
4456 wpa_printf(MSG_DEBUG
, "P2P: Provision discovery "
4457 "with " MACSTR
" already done - proceed to "
4459 MAC2STR(wpa_s
->pending_join_dev_addr
));
4460 wpa_s
->pending_pd_before_join
= 0;
4464 if (p2p_prov_disc_req(wpa_s
->global
->p2p
,
4465 wpa_s
->pending_join_dev_addr
,
4467 freq
, wpa_s
->user_initiated_pd
) < 0) {
4468 wpa_printf(MSG_DEBUG
, "P2P: Failed to send Provision "
4469 "Discovery Request before joining an "
4471 wpa_s
->pending_pd_before_join
= 0;
4477 wpa_printf(MSG_DEBUG
, "P2P: Failed to find BSS/GO - try again later");
4478 eloop_cancel_timeout(wpas_p2p_join_scan
, wpa_s
, NULL
);
4479 eloop_register_timeout(1, 0, wpas_p2p_join_scan
, wpa_s
, NULL
);
4480 wpas_p2p_check_join_scan_limit(wpa_s
);
4484 /* Start join operation immediately */
4485 wpas_p2p_join_start(wpa_s
, 0, NULL
, 0);
4489 static void wpas_p2p_join_scan_req(struct wpa_supplicant
*wpa_s
, int freq
,
4490 const u8
*ssid
, size_t ssid_len
)
4493 struct wpa_driver_scan_params params
;
4494 struct wpabuf
*wps_ie
, *ies
;
4496 int freqs
[2] = { 0, 0 };
4498 os_memset(¶ms
, 0, sizeof(params
));
4500 /* P2P Wildcard SSID */
4501 params
.num_ssids
= 1;
4502 if (ssid
&& ssid_len
) {
4503 params
.ssids
[0].ssid
= ssid
;
4504 params
.ssids
[0].ssid_len
= ssid_len
;
4505 os_memcpy(wpa_s
->p2p_join_ssid
, ssid
, ssid_len
);
4506 wpa_s
->p2p_join_ssid_len
= ssid_len
;
4508 params
.ssids
[0].ssid
= (u8
*) P2P_WILDCARD_SSID
;
4509 params
.ssids
[0].ssid_len
= P2P_WILDCARD_SSID_LEN
;
4510 wpa_s
->p2p_join_ssid_len
= 0;
4513 wpa_s
->wps
->dev
.p2p
= 1;
4514 wps_ie
= wps_build_probe_req_ie(DEV_PW_DEFAULT
, &wpa_s
->wps
->dev
,
4515 wpa_s
->wps
->uuid
, WPS_REQ_ENROLLEE
, 0,
4517 if (wps_ie
== NULL
) {
4518 wpas_p2p_scan_res_join(wpa_s
, NULL
);
4522 ielen
= p2p_scan_ie_buf_len(wpa_s
->global
->p2p
);
4523 ies
= wpabuf_alloc(wpabuf_len(wps_ie
) + ielen
);
4525 wpabuf_free(wps_ie
);
4526 wpas_p2p_scan_res_join(wpa_s
, NULL
);
4529 wpabuf_put_buf(ies
, wps_ie
);
4530 wpabuf_free(wps_ie
);
4532 p2p_scan_ie(wpa_s
->global
->p2p
, ies
, NULL
);
4534 params
.p2p_probe
= 1;
4535 params
.extra_ies
= wpabuf_head(ies
);
4536 params
.extra_ies_len
= wpabuf_len(ies
);
4541 * If freq is not provided, check the operating freq of the GO
4542 * and use a single channel scan on if possible.
4544 oper_freq
= p2p_get_oper_freq(wpa_s
->global
->p2p
,
4545 wpa_s
->pending_join_iface_addr
);
4551 params
.freqs
= freqs
;
4555 * Run a scan to update BSS table and start Provision Discovery once
4556 * the new scan results become available.
4558 ret
= wpa_drv_scan(wpa_s
, ¶ms
);
4560 os_get_reltime(&wpa_s
->scan_trigger_time
);
4561 wpa_s
->scan_res_handler
= wpas_p2p_scan_res_join
;
4562 wpa_s
->own_scan_requested
= 1;
4568 wpa_printf(MSG_DEBUG
, "P2P: Failed to start scan for join - "
4570 eloop_cancel_timeout(wpas_p2p_join_scan
, wpa_s
, NULL
);
4571 eloop_register_timeout(1, 0, wpas_p2p_join_scan
, wpa_s
, NULL
);
4572 wpas_p2p_check_join_scan_limit(wpa_s
);
4577 static void wpas_p2p_join_scan(void *eloop_ctx
, void *timeout_ctx
)
4579 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
4580 wpas_p2p_join_scan_req(wpa_s
, 0, NULL
, 0);
4584 static int wpas_p2p_join(struct wpa_supplicant
*wpa_s
, const u8
*iface_addr
,
4585 const u8
*dev_addr
, enum p2p_wps_method wps_method
,
4586 int auto_join
, int op_freq
,
4587 const u8
*ssid
, size_t ssid_len
)
4589 wpa_printf(MSG_DEBUG
, "P2P: Request to join existing group (iface "
4590 MACSTR
" dev " MACSTR
" op_freq=%d)%s",
4591 MAC2STR(iface_addr
), MAC2STR(dev_addr
), op_freq
,
4592 auto_join
? " (auto_join)" : "");
4593 if (ssid
&& ssid_len
) {
4594 wpa_printf(MSG_DEBUG
, "P2P: Group SSID specified: %s",
4595 wpa_ssid_txt(ssid
, ssid_len
));
4598 wpa_s
->p2p_auto_pd
= 0;
4599 wpa_s
->p2p_auto_join
= !!auto_join
;
4600 os_memcpy(wpa_s
->pending_join_iface_addr
, iface_addr
, ETH_ALEN
);
4601 os_memcpy(wpa_s
->pending_join_dev_addr
, dev_addr
, ETH_ALEN
);
4602 wpa_s
->pending_join_wps_method
= wps_method
;
4604 /* Make sure we are not running find during connection establishment */
4605 wpas_p2p_stop_find(wpa_s
);
4607 wpa_s
->p2p_join_scan_count
= 0;
4608 wpas_p2p_join_scan_req(wpa_s
, op_freq
, ssid
, ssid_len
);
4613 static int wpas_p2p_join_start(struct wpa_supplicant
*wpa_s
, int freq
,
4614 const u8
*ssid
, size_t ssid_len
)
4616 struct wpa_supplicant
*group
;
4617 struct p2p_go_neg_results res
;
4618 struct wpa_bss
*bss
;
4620 group
= wpas_p2p_get_group_iface(wpa_s
, 0, 0);
4623 if (group
!= wpa_s
) {
4624 os_memcpy(group
->p2p_pin
, wpa_s
->p2p_pin
,
4625 sizeof(group
->p2p_pin
));
4626 group
->p2p_wps_method
= wpa_s
->p2p_wps_method
;
4629 * Need to mark the current interface for p2p_group_formation
4630 * when a separate group interface is not used. This is needed
4631 * to allow p2p_cancel stop a pending p2p_connect-join.
4632 * wpas_p2p_init_group_interface() addresses this for the case
4633 * where a separate group interface is used.
4635 wpa_s
->global
->p2p_group_formation
= wpa_s
;
4638 group
->p2p_in_provisioning
= 1;
4639 group
->p2p_fallback_to_go_neg
= wpa_s
->p2p_fallback_to_go_neg
;
4641 os_memset(&res
, 0, sizeof(res
));
4642 os_memcpy(res
.peer_device_addr
, wpa_s
->pending_join_dev_addr
, ETH_ALEN
);
4643 os_memcpy(res
.peer_interface_addr
, wpa_s
->pending_join_iface_addr
,
4645 res
.wps_method
= wpa_s
->pending_join_wps_method
;
4646 if (freq
&& ssid
&& ssid_len
) {
4648 res
.ssid_len
= ssid_len
;
4649 os_memcpy(res
.ssid
, ssid
, ssid_len
);
4651 bss
= wpa_bss_get_bssid_latest(wpa_s
,
4652 wpa_s
->pending_join_iface_addr
);
4654 res
.freq
= bss
->freq
;
4655 res
.ssid_len
= bss
->ssid_len
;
4656 os_memcpy(res
.ssid
, bss
->ssid
, bss
->ssid_len
);
4657 wpa_printf(MSG_DEBUG
, "P2P: Join target GO operating frequency from BSS table: %d MHz (SSID %s)",
4659 wpa_ssid_txt(bss
->ssid
, bss
->ssid_len
));
4663 if (wpa_s
->off_channel_freq
|| wpa_s
->roc_waiting_drv_freq
) {
4664 wpa_printf(MSG_DEBUG
, "P2P: Cancel remain-on-channel prior to "
4666 wpa_drv_cancel_remain_on_channel(wpa_s
);
4667 wpa_s
->off_channel_freq
= 0;
4668 wpa_s
->roc_waiting_drv_freq
= 0;
4670 wpas_start_wps_enrollee(group
, &res
);
4673 * Allow a longer timeout for join-a-running-group than normal 15
4674 * second group formation timeout since the GO may not have authorized
4675 * our connection yet.
4677 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
, wpa_s
, NULL
);
4678 eloop_register_timeout(60, 0, wpas_p2p_group_formation_timeout
,
4685 static int wpas_p2p_setup_freqs(struct wpa_supplicant
*wpa_s
, int freq
,
4686 int *force_freq
, int *pref_freq
, int go
)
4688 struct wpa_used_freq_data
*freqs
;
4689 int res
, best_freq
, num_unused
;
4690 unsigned int freq_in_use
= 0, num
, i
;
4692 freqs
= os_calloc(wpa_s
->num_multichan_concurrent
,
4693 sizeof(struct wpa_used_freq_data
));
4697 num
= wpas_p2p_valid_oper_freqs(wpa_s
, freqs
,
4698 wpa_s
->num_multichan_concurrent
);
4701 * It is possible that the total number of used frequencies is bigger
4702 * than the number of frequencies used for P2P, so get the system wide
4703 * number of unused frequencies.
4705 num_unused
= wpas_p2p_num_unused_channels(wpa_s
);
4707 wpa_printf(MSG_DEBUG
,
4708 "P2P: Setup freqs: freq=%d num_MCC=%d shared_freqs=%u num_unused=%d",
4709 freq
, wpa_s
->num_multichan_concurrent
, num
, num_unused
);
4714 ret
= p2p_supported_freq(wpa_s
->global
->p2p
, freq
);
4716 ret
= p2p_supported_freq_cli(wpa_s
->global
->p2p
, freq
);
4718 if ((wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_DFS_OFFLOAD
) &&
4719 ieee80211_is_dfs(freq
)) {
4721 * If freq is a DFS channel and DFS is offloaded
4722 * to the driver, allow P2P GO to use it.
4724 wpa_printf(MSG_DEBUG
,
4725 "P2P: The forced channel for GO (%u MHz) is DFS, and DFS is offloaded to the driver",
4728 wpa_printf(MSG_DEBUG
,
4729 "P2P: The forced channel (%u MHz) is not supported for P2P uses",
4736 for (i
= 0; i
< num
; i
++) {
4737 if (freqs
[i
].freq
== freq
)
4741 if (num_unused
<= 0 && !freq_in_use
) {
4742 wpa_printf(MSG_DEBUG
, "P2P: Cannot start P2P group on %u MHz as there are no available channels",
4747 wpa_printf(MSG_DEBUG
, "P2P: Trying to force us to use the "
4748 "requested channel (%u MHz)", freq
);
4753 best_freq
= wpas_p2p_pick_best_used_freq(wpa_s
, freqs
, num
);
4755 /* We have a candidate frequency to use */
4756 if (best_freq
> 0) {
4757 if (*pref_freq
== 0 && num_unused
> 0) {
4758 wpa_printf(MSG_DEBUG
, "P2P: Try to prefer a frequency (%u MHz) we are already using",
4760 *pref_freq
= best_freq
;
4762 wpa_printf(MSG_DEBUG
, "P2P: Try to force us to use frequency (%u MHz) which is already in use",
4764 *force_freq
= best_freq
;
4766 } else if (num_unused
> 0) {
4767 wpa_printf(MSG_DEBUG
,
4768 "P2P: Current operating channels are not available for P2P. Try to use another channel");
4771 wpa_printf(MSG_DEBUG
,
4772 "P2P: All channels are in use and none of them are P2P enabled. Cannot start P2P group");
4786 * wpas_p2p_connect - Request P2P Group Formation to be started
4787 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
4788 * @peer_addr: Address of the peer P2P Device
4789 * @pin: PIN to use during provisioning or %NULL to indicate PBC mode
4790 * @persistent_group: Whether to create a persistent group
4791 * @auto_join: Whether to select join vs. GO Negotiation automatically
4792 * @join: Whether to join an existing group (as a client) instead of starting
4793 * Group Owner negotiation; @peer_addr is BSSID in that case
4794 * @auth: Whether to only authorize the connection instead of doing that and
4795 * initiating Group Owner negotiation
4796 * @go_intent: GO Intent or -1 to use default
4797 * @freq: Frequency for the group or 0 for auto-selection
4798 * @persistent_id: Persistent group credentials to use for forcing GO
4799 * parameters or -1 to generate new values (SSID/passphrase)
4800 * @pd: Whether to send Provision Discovery prior to GO Negotiation as an
4801 * interoperability workaround when initiating group formation
4802 * @ht40: Start GO with 40 MHz channel width
4803 * @vht: Start GO with VHT support
4804 * Returns: 0 or new PIN (if pin was %NULL) on success, -1 on unspecified
4805 * failure, -2 on failure due to channel not currently available,
4806 * -3 if forced channel is not supported
4808 int wpas_p2p_connect(struct wpa_supplicant
*wpa_s
, const u8
*peer_addr
,
4809 const char *pin
, enum p2p_wps_method wps_method
,
4810 int persistent_group
, int auto_join
, int join
, int auth
,
4811 int go_intent
, int freq
, int persistent_id
, int pd
,
4814 int force_freq
= 0, pref_freq
= 0;
4816 enum wpa_driver_if_type iftype
;
4818 struct wpa_ssid
*ssid
= NULL
;
4820 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
4823 if (persistent_id
>= 0) {
4824 ssid
= wpa_config_get_network(wpa_s
->conf
, persistent_id
);
4825 if (ssid
== NULL
|| ssid
->disabled
!= 2 ||
4826 ssid
->mode
!= WPAS_MODE_P2P_GO
)
4830 os_free(wpa_s
->global
->add_psk
);
4831 wpa_s
->global
->add_psk
= NULL
;
4833 wpa_s
->global
->p2p_fail_on_wps_complete
= 0;
4834 wpa_s
->global
->pending_p2ps_group
= 0;
4837 go_intent
= wpa_s
->conf
->p2p_go_intent
;
4840 wpa_s
->p2p_long_listen
= 0;
4842 wpa_s
->p2p_wps_method
= wps_method
;
4843 wpa_s
->p2p_persistent_group
= !!persistent_group
;
4844 wpa_s
->p2p_persistent_id
= persistent_id
;
4845 wpa_s
->p2p_go_intent
= go_intent
;
4846 wpa_s
->p2p_connect_freq
= freq
;
4847 wpa_s
->p2p_fallback_to_go_neg
= 0;
4848 wpa_s
->p2p_pd_before_go_neg
= !!pd
;
4849 wpa_s
->p2p_go_ht40
= !!ht40
;
4850 wpa_s
->p2p_go_vht
= !!vht
;
4853 os_strlcpy(wpa_s
->p2p_pin
, pin
, sizeof(wpa_s
->p2p_pin
));
4854 else if (wps_method
== WPS_PIN_DISPLAY
) {
4855 ret
= wps_generate_pin();
4856 res
= os_snprintf(wpa_s
->p2p_pin
, sizeof(wpa_s
->p2p_pin
),
4858 if (os_snprintf_error(sizeof(wpa_s
->p2p_pin
), res
))
4859 wpa_s
->p2p_pin
[sizeof(wpa_s
->p2p_pin
) - 1] = '\0';
4860 wpa_printf(MSG_DEBUG
, "P2P: Randomly generated PIN: %s",
4863 wpa_s
->p2p_pin
[0] = '\0';
4865 if (join
|| auto_join
) {
4866 u8 iface_addr
[ETH_ALEN
], dev_addr
[ETH_ALEN
];
4868 wpa_printf(MSG_DEBUG
, "P2P: Authorize invitation to "
4869 "connect a running group from " MACSTR
,
4870 MAC2STR(peer_addr
));
4871 os_memcpy(wpa_s
->p2p_auth_invite
, peer_addr
, ETH_ALEN
);
4874 os_memcpy(dev_addr
, peer_addr
, ETH_ALEN
);
4875 if (p2p_get_interface_addr(wpa_s
->global
->p2p
, peer_addr
,
4877 os_memcpy(iface_addr
, peer_addr
, ETH_ALEN
);
4878 p2p_get_dev_addr(wpa_s
->global
->p2p
, peer_addr
,
4882 os_get_reltime(&wpa_s
->p2p_auto_started
);
4883 wpa_printf(MSG_DEBUG
, "P2P: Auto join started at "
4885 wpa_s
->p2p_auto_started
.sec
,
4886 wpa_s
->p2p_auto_started
.usec
);
4888 wpa_s
->user_initiated_pd
= 1;
4889 if (wpas_p2p_join(wpa_s
, iface_addr
, dev_addr
, wps_method
,
4890 auto_join
, freq
, NULL
, 0) < 0)
4895 res
= wpas_p2p_setup_freqs(wpa_s
, freq
, &force_freq
, &pref_freq
,
4899 wpas_p2p_set_own_freq_preference(wpa_s
,
4900 force_freq
? force_freq
: pref_freq
);
4902 wpa_s
->create_p2p_iface
= wpas_p2p_create_iface(wpa_s
);
4904 if (wpa_s
->create_p2p_iface
) {
4905 /* Prepare to add a new interface for the group */
4906 iftype
= WPA_IF_P2P_GROUP
;
4907 if (go_intent
== 15)
4908 iftype
= WPA_IF_P2P_GO
;
4909 if (wpas_p2p_add_group_interface(wpa_s
, iftype
) < 0) {
4910 wpa_printf(MSG_ERROR
, "P2P: Failed to allocate a new "
4911 "interface for the group");
4915 if_addr
= wpa_s
->pending_interface_addr
;
4917 if_addr
= wpa_s
->own_addr
;
4920 if (wpas_p2p_auth_go_neg(wpa_s
, peer_addr
, wps_method
,
4922 force_freq
, persistent_group
, ssid
,
4928 if (wpas_p2p_start_go_neg(wpa_s
, peer_addr
, wps_method
,
4929 go_intent
, if_addr
, force_freq
,
4930 persistent_group
, ssid
, pref_freq
) < 0) {
4931 if (wpa_s
->create_p2p_iface
)
4932 wpas_p2p_remove_pending_group_interface(wpa_s
);
4940 * wpas_p2p_remain_on_channel_cb - Indication of remain-on-channel start
4941 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
4942 * @freq: Frequency of the channel in MHz
4943 * @duration: Duration of the stay on the channel in milliseconds
4945 * This callback is called when the driver indicates that it has started the
4946 * requested remain-on-channel duration.
4948 void wpas_p2p_remain_on_channel_cb(struct wpa_supplicant
*wpa_s
,
4949 unsigned int freq
, unsigned int duration
)
4951 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
4953 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)",
4954 wpa_s
->off_channel_freq
, wpa_s
->pending_listen_freq
,
4955 wpa_s
->roc_waiting_drv_freq
, freq
, duration
);
4956 if (wpa_s
->off_channel_freq
&&
4957 wpa_s
->off_channel_freq
== wpa_s
->pending_listen_freq
) {
4958 p2p_listen_cb(wpa_s
->global
->p2p
, wpa_s
->pending_listen_freq
,
4959 wpa_s
->pending_listen_duration
);
4960 wpa_s
->pending_listen_freq
= 0;
4962 wpa_printf(MSG_DEBUG
, "P2P: Ignore remain-on-channel callback (off_channel_freq=%u pending_listen_freq=%d freq=%u duration=%u)",
4963 wpa_s
->off_channel_freq
, wpa_s
->pending_listen_freq
,
4969 int wpas_p2p_listen_start(struct wpa_supplicant
*wpa_s
, unsigned int timeout
)
4971 /* Limit maximum Listen state time based on driver limitation. */
4972 if (timeout
> wpa_s
->max_remain_on_chan
)
4973 timeout
= wpa_s
->max_remain_on_chan
;
4975 return p2p_listen(wpa_s
->global
->p2p
, timeout
);
4980 * wpas_p2p_cancel_remain_on_channel_cb - Remain-on-channel timeout
4981 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
4982 * @freq: Frequency of the channel in MHz
4984 * This callback is called when the driver indicates that a remain-on-channel
4985 * operation has been completed, i.e., the duration on the requested channel
4988 void wpas_p2p_cancel_remain_on_channel_cb(struct wpa_supplicant
*wpa_s
,
4991 wpa_printf(MSG_DEBUG
, "P2P: Cancel remain-on-channel callback "
4992 "(p2p_long_listen=%d ms pending_action_tx=%p)",
4993 wpa_s
->p2p_long_listen
, offchannel_pending_action_tx(wpa_s
));
4994 wpas_p2p_listen_work_done(wpa_s
);
4995 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
4997 if (wpa_s
->p2p_long_listen
> 0)
4998 wpa_s
->p2p_long_listen
-= wpa_s
->max_remain_on_chan
;
4999 if (p2p_listen_end(wpa_s
->global
->p2p
, freq
) > 0)
5000 return; /* P2P module started a new operation */
5001 if (offchannel_pending_action_tx(wpa_s
))
5003 if (wpa_s
->p2p_long_listen
> 0) {
5004 wpa_printf(MSG_DEBUG
, "P2P: Continuing long Listen state");
5005 wpas_p2p_listen_start(wpa_s
, wpa_s
->p2p_long_listen
);
5008 * When listen duration is over, stop listen & update p2p_state
5011 p2p_stop_listen(wpa_s
->global
->p2p
);
5017 * wpas_p2p_group_remove - Remove a P2P group
5018 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
5019 * @ifname: Network interface name of the group interface or "*" to remove all
5021 * Returns: 0 on success, -1 on failure
5023 * This function is used to remove a P2P group. This can be used to disconnect
5024 * from a group in which the local end is a P2P Client or to end a P2P Group in
5025 * case the local end is the Group Owner. If a virtual network interface was
5026 * created for this group, that interface will be removed. Otherwise, only the
5027 * configured P2P group network will be removed from the interface.
5029 int wpas_p2p_group_remove(struct wpa_supplicant
*wpa_s
, const char *ifname
)
5031 struct wpa_global
*global
= wpa_s
->global
;
5032 struct wpa_supplicant
*calling_wpa_s
= wpa_s
;
5034 if (os_strcmp(ifname
, "*") == 0) {
5035 struct wpa_supplicant
*prev
;
5036 wpa_s
= global
->ifaces
;
5039 wpa_s
= wpa_s
->next
;
5040 if (prev
->p2p_group_interface
!=
5041 NOT_P2P_GROUP_INTERFACE
||
5042 (prev
->current_ssid
&&
5043 prev
->current_ssid
->p2p_group
))
5044 wpas_p2p_disconnect_safely(prev
, calling_wpa_s
);
5049 for (wpa_s
= global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
5050 if (os_strcmp(wpa_s
->ifname
, ifname
) == 0)
5054 return wpas_p2p_disconnect_safely(wpa_s
, calling_wpa_s
);
5058 static int wpas_p2p_select_go_freq(struct wpa_supplicant
*wpa_s
, int freq
)
5063 wpa_printf(MSG_DEBUG
, "P2P: Request to start GO on 2.4 GHz "
5065 if (wpa_s
->best_24_freq
> 0 &&
5066 p2p_supported_freq_go(wpa_s
->global
->p2p
,
5067 wpa_s
->best_24_freq
)) {
5068 freq
= wpa_s
->best_24_freq
;
5069 wpa_printf(MSG_DEBUG
, "P2P: Use best 2.4 GHz band "
5070 "channel: %d MHz", freq
);
5072 if (os_get_random((u8
*) &r
, sizeof(r
)) < 0)
5074 freq
= 2412 + (r
% 3) * 25;
5075 wpa_printf(MSG_DEBUG
, "P2P: Use random 2.4 GHz band "
5076 "channel: %d MHz", freq
);
5081 wpa_printf(MSG_DEBUG
, "P2P: Request to start GO on 5 GHz "
5083 if (wpa_s
->best_5_freq
> 0 &&
5084 p2p_supported_freq_go(wpa_s
->global
->p2p
,
5085 wpa_s
->best_5_freq
)) {
5086 freq
= wpa_s
->best_5_freq
;
5087 wpa_printf(MSG_DEBUG
, "P2P: Use best 5 GHz band "
5088 "channel: %d MHz", freq
);
5090 if (os_get_random((u8
*) &r
, sizeof(r
)) < 0)
5092 freq
= 5180 + (r
% 4) * 20;
5093 if (!p2p_supported_freq_go(wpa_s
->global
->p2p
, freq
)) {
5094 wpa_printf(MSG_DEBUG
, "P2P: Could not select "
5095 "5 GHz channel for P2P group");
5098 wpa_printf(MSG_DEBUG
, "P2P: Use random 5 GHz band "
5099 "channel: %d MHz", freq
);
5103 if (freq
> 0 && !p2p_supported_freq_go(wpa_s
->global
->p2p
, freq
)) {
5104 if ((wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_DFS_OFFLOAD
) &&
5105 ieee80211_is_dfs(freq
)) {
5107 * If freq is a DFS channel and DFS is offloaded to the
5108 * driver, allow P2P GO to use it.
5110 wpa_printf(MSG_DEBUG
, "P2P: "
5111 "%s: The forced channel for GO (%u MHz) is DFS, and DFS is offloaded",
5115 wpa_printf(MSG_DEBUG
, "P2P: The forced channel for GO "
5116 "(%u MHz) is not supported for P2P uses",
5125 static int wpas_p2p_select_freq_no_pref(struct wpa_supplicant
*wpa_s
,
5126 struct p2p_go_neg_results
*params
,
5127 const struct p2p_channels
*channels
)
5131 /* first try some random selection of the social channels */
5132 if (os_get_random((u8
*) &r
, sizeof(r
)) < 0)
5135 for (i
= 0; i
< 3; i
++) {
5136 params
->freq
= 2412 + ((r
+ i
) % 3) * 25;
5137 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, params
->freq
) &&
5138 freq_included(channels
, params
->freq
) &&
5139 p2p_supported_freq(wpa_s
->global
->p2p
, params
->freq
))
5143 /* try all channels in reg. class 81 */
5144 for (i
= 0; i
< 11; i
++) {
5145 params
->freq
= 2412 + i
* 5;
5146 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, params
->freq
) &&
5147 freq_included(channels
, params
->freq
) &&
5148 p2p_supported_freq(wpa_s
->global
->p2p
, params
->freq
))
5152 /* try all channels in operating class 115 */
5153 for (i
= 0; i
< 4; i
++) {
5154 params
->freq
= 5180 + i
* 20;
5155 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, params
->freq
) &&
5156 freq_included(channels
, params
->freq
) &&
5157 p2p_supported_freq(wpa_s
->global
->p2p
, params
->freq
))
5161 /* try all channels in operating class 124 */
5162 for (i
= 0; i
< 4; i
++) {
5163 params
->freq
= 5745 + i
* 20;
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
))
5170 /* try social channel class 180 channel 2 */
5171 params
->freq
= 58320 + 1 * 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
))
5177 /* try all channels in reg. class 180 */
5178 for (i
= 0; i
< 4; i
++) {
5179 params
->freq
= 58320 + i
* 2160;
5180 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, params
->freq
) &&
5181 freq_included(channels
, params
->freq
) &&
5182 p2p_supported_freq(wpa_s
->global
->p2p
, params
->freq
))
5186 wpa_printf(MSG_DEBUG
, "P2P: No 2.4, 5, or 60 GHz channel allowed");
5189 wpa_printf(MSG_DEBUG
, "P2P: Set GO freq %d MHz (no preference known)",
5195 static int wpas_p2p_init_go_params(struct wpa_supplicant
*wpa_s
,
5196 struct p2p_go_neg_results
*params
,
5197 int freq
, int ht40
, int vht
,
5198 const struct p2p_channels
*channels
)
5200 struct wpa_used_freq_data
*freqs
;
5201 unsigned int pref_freq
, cand_freq
;
5202 unsigned int num
, i
;
5204 os_memset(params
, 0, sizeof(*params
));
5205 params
->role_go
= 1;
5206 params
->ht40
= ht40
;
5209 if (!freq_included(channels
, freq
)) {
5210 wpa_printf(MSG_DEBUG
, "P2P: Forced GO freq %d MHz not "
5214 wpa_printf(MSG_DEBUG
, "P2P: Set GO freq based on forced "
5215 "frequency %d MHz", freq
);
5216 params
->freq
= freq
;
5217 } else if (wpa_s
->conf
->p2p_oper_reg_class
== 81 &&
5218 wpa_s
->conf
->p2p_oper_channel
>= 1 &&
5219 wpa_s
->conf
->p2p_oper_channel
<= 11 &&
5220 freq_included(channels
,
5221 2407 + 5 * wpa_s
->conf
->p2p_oper_channel
)) {
5222 params
->freq
= 2407 + 5 * wpa_s
->conf
->p2p_oper_channel
;
5223 wpa_printf(MSG_DEBUG
, "P2P: Set GO freq based on configured "
5224 "frequency %d MHz", params
->freq
);
5225 } else if ((wpa_s
->conf
->p2p_oper_reg_class
== 115 ||
5226 wpa_s
->conf
->p2p_oper_reg_class
== 116 ||
5227 wpa_s
->conf
->p2p_oper_reg_class
== 117 ||
5228 wpa_s
->conf
->p2p_oper_reg_class
== 124 ||
5229 wpa_s
->conf
->p2p_oper_reg_class
== 126 ||
5230 wpa_s
->conf
->p2p_oper_reg_class
== 127) &&
5231 freq_included(channels
,
5232 5000 + 5 * wpa_s
->conf
->p2p_oper_channel
)) {
5233 params
->freq
= 5000 + 5 * wpa_s
->conf
->p2p_oper_channel
;
5234 wpa_printf(MSG_DEBUG
, "P2P: Set GO freq based on configured "
5235 "frequency %d MHz", params
->freq
);
5236 } else if (wpa_s
->conf
->p2p_oper_channel
== 0 &&
5237 wpa_s
->best_overall_freq
> 0 &&
5238 p2p_supported_freq_go(wpa_s
->global
->p2p
,
5239 wpa_s
->best_overall_freq
) &&
5240 freq_included(channels
, wpa_s
->best_overall_freq
)) {
5241 params
->freq
= wpa_s
->best_overall_freq
;
5242 wpa_printf(MSG_DEBUG
, "P2P: Set GO freq based on best overall "
5243 "channel %d MHz", params
->freq
);
5244 } else if (wpa_s
->conf
->p2p_oper_channel
== 0 &&
5245 wpa_s
->best_24_freq
> 0 &&
5246 p2p_supported_freq_go(wpa_s
->global
->p2p
,
5247 wpa_s
->best_24_freq
) &&
5248 freq_included(channels
, wpa_s
->best_24_freq
)) {
5249 params
->freq
= wpa_s
->best_24_freq
;
5250 wpa_printf(MSG_DEBUG
, "P2P: Set GO freq based on best 2.4 GHz "
5251 "channel %d MHz", params
->freq
);
5252 } else if (wpa_s
->conf
->p2p_oper_channel
== 0 &&
5253 wpa_s
->best_5_freq
> 0 &&
5254 p2p_supported_freq_go(wpa_s
->global
->p2p
,
5255 wpa_s
->best_5_freq
) &&
5256 freq_included(channels
, wpa_s
->best_5_freq
)) {
5257 params
->freq
= wpa_s
->best_5_freq
;
5258 wpa_printf(MSG_DEBUG
, "P2P: Set GO freq based on best 5 GHz "
5259 "channel %d MHz", params
->freq
);
5260 } else if ((pref_freq
= p2p_get_pref_freq(wpa_s
->global
->p2p
,
5262 params
->freq
= pref_freq
;
5263 wpa_printf(MSG_DEBUG
, "P2P: Set GO freq %d MHz from preferred "
5264 "channels", params
->freq
);
5266 /* no preference, select some channel */
5267 if (wpas_p2p_select_freq_no_pref(wpa_s
, params
, channels
) < 0)
5271 freqs
= os_calloc(wpa_s
->num_multichan_concurrent
,
5272 sizeof(struct wpa_used_freq_data
));
5276 num
= wpas_p2p_valid_oper_freqs(wpa_s
, freqs
,
5277 wpa_s
->num_multichan_concurrent
);
5279 cand_freq
= wpas_p2p_pick_best_used_freq(wpa_s
, freqs
, num
);
5281 /* First try the best used frequency if possible */
5282 if (!freq
&& cand_freq
> 0 && freq_included(channels
, cand_freq
)) {
5283 params
->freq
= cand_freq
;
5285 /* Try any of the used frequencies */
5286 for (i
= 0; i
< num
; i
++) {
5287 if (freq_included(channels
, freqs
[i
].freq
)) {
5288 wpa_printf(MSG_DEBUG
, "P2P: Force GO on a channel we are already using (%u MHz)",
5290 params
->freq
= freqs
[i
].freq
;
5296 if (wpas_p2p_num_unused_channels(wpa_s
) <= 0) {
5297 wpa_printf(MSG_DEBUG
, "P2P: Cannot force GO on any of the channels we are already using");
5301 wpa_printf(MSG_DEBUG
, "P2P: Cannot force GO on any of the channels we are already using. Use one of the free channels");
5305 for (i
= 0; i
< num
; i
++) {
5306 if (freqs
[i
].freq
== freq
)
5311 if (wpas_p2p_num_unused_channels(wpa_s
) <= 0) {
5313 wpa_printf(MSG_DEBUG
, "P2P: Cannot force GO on freq (%u MHz) as all the channels are in use", freq
);
5317 wpa_printf(MSG_DEBUG
, "P2P: Use one of the free channels");
5327 static struct wpa_supplicant
*
5328 wpas_p2p_get_group_iface(struct wpa_supplicant
*wpa_s
, int addr_allocated
,
5331 struct wpa_supplicant
*group_wpa_s
;
5333 if (!wpas_p2p_create_iface(wpa_s
)) {
5334 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Use same interface for group "
5336 wpa_s
->p2p_first_connection_timeout
= 0;
5340 if (wpas_p2p_add_group_interface(wpa_s
, go
? WPA_IF_P2P_GO
:
5341 WPA_IF_P2P_CLIENT
) < 0) {
5342 wpa_msg_global(wpa_s
, MSG_ERROR
,
5343 "P2P: Failed to add group interface");
5346 group_wpa_s
= wpas_p2p_init_group_interface(wpa_s
, go
);
5347 if (group_wpa_s
== NULL
) {
5348 wpa_msg_global(wpa_s
, MSG_ERROR
,
5349 "P2P: Failed to initialize group interface");
5350 wpas_p2p_remove_pending_group_interface(wpa_s
);
5354 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Use separate group interface %s",
5355 group_wpa_s
->ifname
);
5356 group_wpa_s
->p2p_first_connection_timeout
= 0;
5362 * wpas_p2p_group_add - Add a new P2P group with local end as Group Owner
5363 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
5364 * @persistent_group: Whether to create a persistent group
5365 * @freq: Frequency for the group or 0 to indicate no hardcoding
5366 * @ht40: Start GO with 40 MHz channel width
5367 * @vht: Start GO with VHT support
5368 * Returns: 0 on success, -1 on failure
5370 * This function creates a new P2P group with the local end as the Group Owner,
5371 * i.e., without using Group Owner Negotiation.
5373 int wpas_p2p_group_add(struct wpa_supplicant
*wpa_s
, int persistent_group
,
5374 int freq
, int ht40
, int vht
)
5376 struct p2p_go_neg_results params
;
5378 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
5381 os_free(wpa_s
->global
->add_psk
);
5382 wpa_s
->global
->add_psk
= NULL
;
5384 /* Make sure we are not running find during connection establishment */
5385 wpa_printf(MSG_DEBUG
, "P2P: Stop any on-going P2P FIND");
5386 wpas_p2p_stop_find_oper(wpa_s
);
5388 freq
= wpas_p2p_select_go_freq(wpa_s
, freq
);
5392 if (wpas_p2p_init_go_params(wpa_s
, ¶ms
, freq
, ht40
, vht
, NULL
))
5395 !p2p_supported_freq_go(wpa_s
->global
->p2p
, params
.freq
)) {
5396 if ((wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_DFS_OFFLOAD
) &&
5397 ieee80211_is_dfs(params
.freq
)) {
5399 * If freq is a DFS channel and DFS is offloaded to the
5400 * driver, allow P2P GO to use it.
5402 wpa_printf(MSG_DEBUG
,
5403 "P2P: %s: The forced channel for GO (%u MHz) is DFS, and DFS is offloaded to driver",
5404 __func__
, params
.freq
);
5406 wpa_printf(MSG_DEBUG
,
5407 "P2P: The selected channel for GO (%u MHz) is not supported for P2P uses",
5412 p2p_go_params(wpa_s
->global
->p2p
, ¶ms
);
5413 params
.persistent_group
= persistent_group
;
5415 wpa_s
= wpas_p2p_get_group_iface(wpa_s
, 0, 1);
5418 wpas_start_wps_go(wpa_s
, ¶ms
, 0);
5424 static int wpas_start_p2p_client(struct wpa_supplicant
*wpa_s
,
5425 struct wpa_ssid
*params
, int addr_allocated
,
5428 struct wpa_ssid
*ssid
;
5430 wpa_s
= wpas_p2p_get_group_iface(wpa_s
, addr_allocated
, 0);
5433 wpa_s
->p2p_last_4way_hs_fail
= NULL
;
5435 wpa_supplicant_ap_deinit(wpa_s
);
5437 ssid
= wpa_config_add_network(wpa_s
->conf
);
5440 wpa_config_set_network_defaults(ssid
);
5441 ssid
->temporary
= 1;
5442 ssid
->proto
= WPA_PROTO_RSN
;
5443 ssid
->pairwise_cipher
= WPA_CIPHER_CCMP
;
5444 ssid
->group_cipher
= WPA_CIPHER_CCMP
;
5445 ssid
->key_mgmt
= WPA_KEY_MGMT_PSK
;
5446 ssid
->ssid
= os_malloc(params
->ssid_len
);
5447 if (ssid
->ssid
== NULL
) {
5448 wpa_config_remove_network(wpa_s
->conf
, ssid
->id
);
5451 os_memcpy(ssid
->ssid
, params
->ssid
, params
->ssid_len
);
5452 ssid
->ssid_len
= params
->ssid_len
;
5453 ssid
->p2p_group
= 1;
5454 ssid
->export_keys
= 1;
5455 if (params
->psk_set
) {
5456 os_memcpy(ssid
->psk
, params
->psk
, 32);
5459 if (params
->passphrase
)
5460 ssid
->passphrase
= os_strdup(params
->passphrase
);
5462 wpa_s
->show_group_started
= 1;
5463 wpa_s
->p2p_in_invitation
= 1;
5464 wpa_s
->p2p_invite_go_freq
= freq
;
5466 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
, wpa_s
->parent
,
5468 eloop_register_timeout(P2P_MAX_INITIAL_CONN_WAIT
, 0,
5469 wpas_p2p_group_formation_timeout
,
5470 wpa_s
->parent
, NULL
);
5471 wpa_supplicant_select_network(wpa_s
, ssid
);
5477 int wpas_p2p_group_add_persistent(struct wpa_supplicant
*wpa_s
,
5478 struct wpa_ssid
*ssid
, int addr_allocated
,
5479 int force_freq
, int neg_freq
, int ht40
,
5480 int vht
, const struct p2p_channels
*channels
,
5481 int connection_timeout
)
5483 struct p2p_go_neg_results params
;
5486 if (ssid
->disabled
!= 2 || ssid
->ssid
== NULL
)
5489 if (wpas_get_p2p_group(wpa_s
, ssid
->ssid
, ssid
->ssid_len
, &go
) &&
5490 go
== (ssid
->mode
== WPAS_MODE_P2P_GO
)) {
5491 wpa_printf(MSG_DEBUG
, "P2P: Requested persistent group is "
5494 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
,
5495 wpa_s
->parent
, NULL
)) {
5497 * This can happen if Invitation Response frame was lost
5498 * and the peer (GO of a persistent group) tries to
5499 * invite us again. Reschedule the timeout to avoid
5500 * terminating the wait for the connection too early
5501 * since we now know that the peer is still trying to
5502 * invite us instead of having already started the GO.
5504 wpa_printf(MSG_DEBUG
,
5505 "P2P: Reschedule group formation timeout since peer is still trying to invite us");
5506 eloop_register_timeout(P2P_MAX_INITIAL_CONN_WAIT
, 0,
5507 wpas_p2p_group_formation_timeout
,
5508 wpa_s
->parent
, NULL
);
5513 os_free(wpa_s
->global
->add_psk
);
5514 wpa_s
->global
->add_psk
= NULL
;
5516 /* Make sure we are not running find during connection establishment */
5517 wpas_p2p_stop_find_oper(wpa_s
);
5519 wpa_s
->p2p_fallback_to_go_neg
= 0;
5521 if (ssid
->mode
== WPAS_MODE_P2P_GO
) {
5522 if (force_freq
> 0) {
5523 freq
= wpas_p2p_select_go_freq(wpa_s
, force_freq
);
5527 freq
= wpas_p2p_select_go_freq(wpa_s
, neg_freq
);
5529 (freq
> 0 && !freq_included(channels
, freq
)))
5532 } else if (ssid
->mode
== WPAS_MODE_INFRA
) {
5534 if (freq
<= 0 || !freq_included(channels
, freq
)) {
5535 struct os_reltime now
;
5536 struct wpa_bss
*bss
=
5537 wpa_bss_get_p2p_dev_addr(wpa_s
, ssid
->bssid
);
5539 os_get_reltime(&now
);
5541 !os_reltime_expired(&now
, &bss
->last_update
, 5) &&
5542 freq_included(channels
, bss
->freq
))
5548 return wpas_start_p2p_client(wpa_s
, ssid
, addr_allocated
, freq
);
5553 if (wpas_p2p_init_go_params(wpa_s
, ¶ms
, freq
, ht40
, vht
, channels
))
5557 params
.psk_set
= ssid
->psk_set
;
5559 os_memcpy(params
.psk
, ssid
->psk
, sizeof(params
.psk
));
5560 if (ssid
->passphrase
) {
5561 if (os_strlen(ssid
->passphrase
) >= sizeof(params
.passphrase
)) {
5562 wpa_printf(MSG_ERROR
, "P2P: Invalid passphrase in "
5563 "persistent group");
5566 os_strlcpy(params
.passphrase
, ssid
->passphrase
,
5567 sizeof(params
.passphrase
));
5569 os_memcpy(params
.ssid
, ssid
->ssid
, ssid
->ssid_len
);
5570 params
.ssid_len
= ssid
->ssid_len
;
5571 params
.persistent_group
= 1;
5573 wpa_s
= wpas_p2p_get_group_iface(wpa_s
, addr_allocated
, 1);
5577 p2p_channels_to_freqs(channels
, params
.freq_list
, P2P_MAX_CHANNELS
);
5579 wpa_s
->p2p_first_connection_timeout
= connection_timeout
;
5580 wpas_start_wps_go(wpa_s
, ¶ms
, 0);
5586 static void wpas_p2p_ie_update(void *ctx
, struct wpabuf
*beacon_ies
,
5587 struct wpabuf
*proberesp_ies
)
5589 struct wpa_supplicant
*wpa_s
= ctx
;
5590 if (wpa_s
->ap_iface
) {
5591 struct hostapd_data
*hapd
= wpa_s
->ap_iface
->bss
[0];
5592 if (!(hapd
->conf
->p2p
& P2P_GROUP_OWNER
)) {
5593 wpabuf_free(beacon_ies
);
5594 wpabuf_free(proberesp_ies
);
5598 wpabuf_free(hapd
->p2p_beacon_ie
);
5599 hapd
->p2p_beacon_ie
= beacon_ies
;
5601 wpabuf_free(hapd
->p2p_probe_resp_ie
);
5602 hapd
->p2p_probe_resp_ie
= proberesp_ies
;
5604 wpabuf_free(beacon_ies
);
5605 wpabuf_free(proberesp_ies
);
5607 wpa_supplicant_ap_update_beacon(wpa_s
);
5611 static void wpas_p2p_idle_update(void *ctx
, int idle
)
5613 struct wpa_supplicant
*wpa_s
= ctx
;
5614 if (!wpa_s
->ap_iface
)
5616 wpa_printf(MSG_DEBUG
, "P2P: GO - group %sidle", idle
? "" : "not ");
5618 if (wpa_s
->global
->p2p_fail_on_wps_complete
&&
5619 wpa_s
->p2p_in_provisioning
) {
5620 wpas_p2p_grpform_fail_after_wps(wpa_s
);
5623 wpas_p2p_set_group_idle_timeout(wpa_s
);
5625 eloop_cancel_timeout(wpas_p2p_group_idle_timeout
, wpa_s
, NULL
);
5629 struct p2p_group
* wpas_p2p_group_init(struct wpa_supplicant
*wpa_s
,
5630 struct wpa_ssid
*ssid
)
5632 struct p2p_group
*group
;
5633 struct p2p_group_config
*cfg
;
5635 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
5638 cfg
= os_zalloc(sizeof(*cfg
));
5642 if (ssid
->p2p_persistent_group
&& wpa_s
->conf
->persistent_reconnect
)
5643 cfg
->persistent_group
= 2;
5644 else if (ssid
->p2p_persistent_group
)
5645 cfg
->persistent_group
= 1;
5646 os_memcpy(cfg
->interface_addr
, wpa_s
->own_addr
, ETH_ALEN
);
5647 if (wpa_s
->max_stations
&&
5648 wpa_s
->max_stations
< wpa_s
->conf
->max_num_sta
)
5649 cfg
->max_clients
= wpa_s
->max_stations
;
5651 cfg
->max_clients
= wpa_s
->conf
->max_num_sta
;
5652 os_memcpy(cfg
->ssid
, ssid
->ssid
, ssid
->ssid_len
);
5653 cfg
->ssid_len
= ssid
->ssid_len
;
5654 cfg
->freq
= ssid
->frequency
;
5655 cfg
->cb_ctx
= wpa_s
;
5656 cfg
->ie_update
= wpas_p2p_ie_update
;
5657 cfg
->idle_update
= wpas_p2p_idle_update
;
5659 group
= p2p_group_init(wpa_s
->global
->p2p
, cfg
);
5662 if (ssid
->mode
!= WPAS_MODE_P2P_GROUP_FORMATION
)
5663 p2p_group_notif_formation_done(group
);
5664 wpa_s
->p2p_group
= group
;
5669 void wpas_p2p_wps_success(struct wpa_supplicant
*wpa_s
, const u8
*peer_addr
,
5672 struct wpa_ssid
*ssid
= wpa_s
->current_ssid
;
5674 if (!wpa_s
->p2p_in_provisioning
) {
5675 wpa_printf(MSG_DEBUG
, "P2P: Ignore WPS success event - P2P "
5676 "provisioning not in progress");
5680 if (ssid
&& ssid
->mode
== WPAS_MODE_INFRA
) {
5681 u8 go_dev_addr
[ETH_ALEN
];
5682 os_memcpy(go_dev_addr
, wpa_s
->bssid
, ETH_ALEN
);
5683 wpas_p2p_persistent_group(wpa_s
, go_dev_addr
, ssid
->ssid
,
5685 /* Clear any stored provisioning info */
5686 p2p_clear_provisioning_info(wpa_s
->global
->p2p
, go_dev_addr
);
5689 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
, wpa_s
->parent
,
5691 wpa_s
->p2p_go_group_formation_completed
= 1;
5692 if (ssid
&& ssid
->mode
== WPAS_MODE_INFRA
) {
5694 * Use a separate timeout for initial data connection to
5695 * complete to allow the group to be removed automatically if
5696 * something goes wrong in this step before the P2P group idle
5697 * timeout mechanism is taken into use.
5699 wpa_dbg(wpa_s
, MSG_DEBUG
,
5700 "P2P: Re-start group formation timeout (%d seconds) as client for initial connection",
5701 P2P_MAX_INITIAL_CONN_WAIT
);
5702 eloop_register_timeout(P2P_MAX_INITIAL_CONN_WAIT
, 0,
5703 wpas_p2p_group_formation_timeout
,
5704 wpa_s
->parent
, NULL
);
5707 * Use a separate timeout for initial data connection to
5708 * complete to allow the group to be removed automatically if
5709 * the client does not complete data connection successfully.
5711 wpa_dbg(wpa_s
, MSG_DEBUG
,
5712 "P2P: Re-start group formation timeout (%d seconds) as GO for initial connection",
5713 P2P_MAX_INITIAL_CONN_WAIT_GO
);
5714 eloop_register_timeout(P2P_MAX_INITIAL_CONN_WAIT_GO
, 0,
5715 wpas_p2p_group_formation_timeout
,
5716 wpa_s
->parent
, NULL
);
5718 * Complete group formation on first successful data connection
5720 wpa_s
->p2p_go_group_formation_completed
= 0;
5722 if (wpa_s
->global
->p2p
)
5723 p2p_wps_success_cb(wpa_s
->global
->p2p
, peer_addr
);
5724 wpas_group_formation_completed(wpa_s
, 1);
5728 void wpas_p2p_wps_failed(struct wpa_supplicant
*wpa_s
,
5729 struct wps_event_fail
*fail
)
5731 if (!wpa_s
->p2p_in_provisioning
) {
5732 wpa_printf(MSG_DEBUG
, "P2P: Ignore WPS fail event - P2P "
5733 "provisioning not in progress");
5737 if (wpa_s
->go_params
) {
5738 p2p_clear_provisioning_info(
5740 wpa_s
->go_params
->peer_device_addr
);
5743 wpas_notify_p2p_wps_failed(wpa_s
, fail
);
5745 if (wpa_s
== wpa_s
->global
->p2p_group_formation
) {
5747 * Allow some time for the failed WPS negotiation exchange to
5748 * complete, but remove the group since group formation cannot
5749 * succeed after provisioning failure.
5751 wpa_printf(MSG_DEBUG
, "P2P: WPS step failed during group formation - reject connection from timeout");
5752 wpa_s
->global
->p2p_fail_on_wps_complete
= 1;
5753 eloop_deplete_timeout(0, 50000,
5754 wpas_p2p_group_formation_timeout
,
5755 wpa_s
->parent
, NULL
);
5760 int wpas_p2p_wps_eapol_cb(struct wpa_supplicant
*wpa_s
)
5762 if (!wpa_s
->global
->p2p_fail_on_wps_complete
||
5763 !wpa_s
->p2p_in_provisioning
)
5766 wpas_p2p_grpform_fail_after_wps(wpa_s
);
5772 int wpas_p2p_prov_disc(struct wpa_supplicant
*wpa_s
, const u8
*peer_addr
,
5773 const char *config_method
,
5774 enum wpas_p2p_prov_disc_use use
,
5775 struct p2ps_provision
*p2ps_prov
)
5779 wpa_s
->global
->pending_p2ps_group
= 0;
5780 wpa_s
->p2p_fallback_to_go_neg
= 0;
5781 wpa_s
->pending_pd_use
= NORMAL_PD
;
5782 if (p2ps_prov
&& use
== WPAS_P2P_PD_FOR_ASP
) {
5783 p2ps_prov
->conncap
= p2ps_group_capability(
5784 wpa_s
, P2PS_SETUP_NONE
, p2ps_prov
->role
);
5785 wpa_printf(MSG_DEBUG
,
5786 "P2P: %s conncap: %d - ASP parsed: %x %x %d %s",
5787 __func__
, p2ps_prov
->conncap
,
5788 p2ps_prov
->adv_id
, p2ps_prov
->conncap
,
5789 p2ps_prov
->status
, p2ps_prov
->info
);
5792 } else if (os_strncmp(config_method
, "display", 7) == 0)
5793 config_methods
= WPS_CONFIG_DISPLAY
;
5794 else if (os_strncmp(config_method
, "keypad", 6) == 0)
5795 config_methods
= WPS_CONFIG_KEYPAD
;
5796 else if (os_strncmp(config_method
, "pbc", 3) == 0 ||
5797 os_strncmp(config_method
, "pushbutton", 10) == 0)
5798 config_methods
= WPS_CONFIG_PUSHBUTTON
;
5800 wpa_printf(MSG_DEBUG
, "P2P: Unknown config method");
5805 if (use
== WPAS_P2P_PD_AUTO
) {
5806 os_memcpy(wpa_s
->pending_join_dev_addr
, peer_addr
, ETH_ALEN
);
5807 wpa_s
->pending_pd_config_methods
= config_methods
;
5808 wpa_s
->p2p_auto_pd
= 1;
5809 wpa_s
->p2p_auto_join
= 0;
5810 wpa_s
->pending_pd_before_join
= 0;
5811 wpa_s
->auto_pd_scan_retry
= 0;
5812 wpas_p2p_stop_find(wpa_s
);
5813 wpa_s
->p2p_join_scan_count
= 0;
5814 os_get_reltime(&wpa_s
->p2p_auto_started
);
5815 wpa_printf(MSG_DEBUG
, "P2P: Auto PD started at %ld.%06ld",
5816 wpa_s
->p2p_auto_started
.sec
,
5817 wpa_s
->p2p_auto_started
.usec
);
5818 wpas_p2p_join_scan(wpa_s
, NULL
);
5822 if (wpa_s
->global
->p2p
== NULL
|| wpa_s
->global
->p2p_disabled
) {
5827 return p2p_prov_disc_req(wpa_s
->global
->p2p
, peer_addr
, p2ps_prov
,
5828 config_methods
, use
== WPAS_P2P_PD_FOR_JOIN
,
5833 int wpas_p2p_scan_result_text(const u8
*ies
, size_t ies_len
, char *buf
,
5836 return p2p_scan_result_text(ies
, ies_len
, buf
, end
);
5840 static void wpas_p2p_clear_pending_action_tx(struct wpa_supplicant
*wpa_s
)
5842 if (!offchannel_pending_action_tx(wpa_s
))
5845 wpas_p2p_action_tx_clear(wpa_s
);
5847 wpa_printf(MSG_DEBUG
, "P2P: Drop pending Action TX due to new "
5848 "operation request");
5849 offchannel_clear_pending_action_tx(wpa_s
);
5853 int wpas_p2p_find(struct wpa_supplicant
*wpa_s
, unsigned int timeout
,
5854 enum p2p_discovery_type type
,
5855 unsigned int num_req_dev_types
, const u8
*req_dev_types
,
5856 const u8
*dev_id
, unsigned int search_delay
,
5857 u8 seek_cnt
, const char **seek_string
, int freq
)
5859 wpas_p2p_clear_pending_action_tx(wpa_s
);
5860 wpa_s
->p2p_long_listen
= 0;
5862 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
||
5863 wpa_s
->p2p_in_provisioning
)
5866 wpa_supplicant_cancel_sched_scan(wpa_s
);
5868 return p2p_find(wpa_s
->global
->p2p
, timeout
, type
,
5869 num_req_dev_types
, req_dev_types
, dev_id
,
5870 search_delay
, seek_cnt
, seek_string
, freq
);
5874 static void wpas_p2p_scan_res_ignore_search(struct wpa_supplicant
*wpa_s
,
5875 struct wpa_scan_results
*scan_res
)
5877 wpa_printf(MSG_DEBUG
, "P2P: Ignore scan results");
5879 if (wpa_s
->p2p_scan_work
) {
5880 struct wpa_radio_work
*work
= wpa_s
->p2p_scan_work
;
5881 wpa_s
->p2p_scan_work
= NULL
;
5882 radio_work_done(work
);
5885 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
5889 * Indicate that results have been processed so that the P2P module can
5890 * continue pending tasks.
5892 p2p_scan_res_handled(wpa_s
->global
->p2p
);
5896 static void wpas_p2p_stop_find_oper(struct wpa_supplicant
*wpa_s
)
5898 wpas_p2p_clear_pending_action_tx(wpa_s
);
5899 wpa_s
->p2p_long_listen
= 0;
5900 eloop_cancel_timeout(wpas_p2p_long_listen_timeout
, wpa_s
, NULL
);
5901 eloop_cancel_timeout(wpas_p2p_join_scan
, wpa_s
, NULL
);
5903 if (wpa_s
->global
->p2p
)
5904 p2p_stop_find(wpa_s
->global
->p2p
);
5906 if (wpa_s
->scan_res_handler
== wpas_p2p_scan_res_handler
) {
5907 wpa_printf(MSG_DEBUG
,
5908 "P2P: Do not consider the scan results after stop_find");
5909 wpa_s
->scan_res_handler
= wpas_p2p_scan_res_ignore_search
;
5914 void wpas_p2p_stop_find(struct wpa_supplicant
*wpa_s
)
5916 wpas_p2p_stop_find_oper(wpa_s
);
5917 if (!wpa_s
->global
->pending_group_iface_for_p2ps
)
5918 wpas_p2p_remove_pending_group_interface(wpa_s
);
5922 static void wpas_p2p_long_listen_timeout(void *eloop_ctx
, void *timeout_ctx
)
5924 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
5925 wpa_s
->p2p_long_listen
= 0;
5929 int wpas_p2p_listen(struct wpa_supplicant
*wpa_s
, unsigned int timeout
)
5933 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
5936 wpa_supplicant_cancel_sched_scan(wpa_s
);
5937 wpas_p2p_clear_pending_action_tx(wpa_s
);
5941 * This is a request for unlimited Listen state. However, at
5942 * least for now, this is mapped to a Listen state for one
5947 eloop_cancel_timeout(wpas_p2p_long_listen_timeout
, wpa_s
, NULL
);
5948 wpa_s
->p2p_long_listen
= 0;
5951 * Stop previous find/listen operation to avoid trying to request a new
5952 * remain-on-channel operation while the driver is still running the
5955 if (wpa_s
->global
->p2p
)
5956 p2p_stop_find(wpa_s
->global
->p2p
);
5958 res
= wpas_p2p_listen_start(wpa_s
, timeout
* 1000);
5959 if (res
== 0 && timeout
* 1000 > wpa_s
->max_remain_on_chan
) {
5960 wpa_s
->p2p_long_listen
= timeout
* 1000;
5961 eloop_register_timeout(timeout
, 0,
5962 wpas_p2p_long_listen_timeout
,
5970 int wpas_p2p_assoc_req_ie(struct wpa_supplicant
*wpa_s
, struct wpa_bss
*bss
,
5971 u8
*buf
, size_t len
, int p2p_group
)
5973 struct wpabuf
*p2p_ie
;
5976 if (wpa_s
->global
->p2p_disabled
)
5979 * Advertize mandatory cross connection capability even on
5980 * p2p_disabled=1 interface when associating with a P2P Manager WLAN AP.
5982 if (wpa_s
->conf
->p2p_disabled
&& p2p_group
)
5984 if (wpa_s
->global
->p2p
== NULL
)
5989 p2p_ie
= wpa_bss_get_vendor_ie_multi(bss
, P2P_IE_VENDOR_TYPE
);
5990 ret
= p2p_assoc_req_ie(wpa_s
->global
->p2p
, bss
->bssid
, buf
, len
,
5992 wpabuf_free(p2p_ie
);
5998 int wpas_p2p_probe_req_rx(struct wpa_supplicant
*wpa_s
, const u8
*addr
,
5999 const u8
*dst
, const u8
*bssid
,
6000 const u8
*ie
, size_t ie_len
, int ssi_signal
)
6002 if (wpa_s
->global
->p2p_disabled
)
6004 if (wpa_s
->global
->p2p
== NULL
)
6007 switch (p2p_probe_req_rx(wpa_s
->global
->p2p
, addr
, dst
, bssid
,
6009 case P2P_PREQ_NOT_P2P
:
6010 wpas_notify_preq(wpa_s
, addr
, dst
, bssid
, ie
, ie_len
,
6013 case P2P_PREQ_MALFORMED
:
6014 case P2P_PREQ_NOT_LISTEN
:
6015 case P2P_PREQ_NOT_PROCESSED
:
6016 default: /* make gcc happy */
6018 case P2P_PREQ_PROCESSED
:
6024 void wpas_p2p_rx_action(struct wpa_supplicant
*wpa_s
, const u8
*da
,
6025 const u8
*sa
, const u8
*bssid
,
6026 u8 category
, const u8
*data
, size_t len
, int freq
)
6028 if (wpa_s
->global
->p2p_disabled
)
6030 if (wpa_s
->global
->p2p
== NULL
)
6033 p2p_rx_action(wpa_s
->global
->p2p
, da
, sa
, bssid
, category
, data
, len
,
6038 void wpas_p2p_scan_ie(struct wpa_supplicant
*wpa_s
, struct wpabuf
*ies
)
6040 if (wpa_s
->global
->p2p_disabled
)
6042 if (wpa_s
->global
->p2p
== NULL
)
6045 p2p_scan_ie(wpa_s
->global
->p2p
, ies
, NULL
);
6049 static void wpas_p2p_group_deinit(struct wpa_supplicant
*wpa_s
)
6051 p2p_group_deinit(wpa_s
->p2p_group
);
6052 wpa_s
->p2p_group
= NULL
;
6054 wpa_s
->ap_configured_cb
= NULL
;
6055 wpa_s
->ap_configured_cb_ctx
= NULL
;
6056 wpa_s
->ap_configured_cb_data
= NULL
;
6057 wpa_s
->connect_without_scan
= NULL
;
6061 int wpas_p2p_reject(struct wpa_supplicant
*wpa_s
, const u8
*addr
)
6063 wpa_s
->p2p_long_listen
= 0;
6065 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
6068 return p2p_reject(wpa_s
->global
->p2p
, addr
);
6072 /* Invite to reinvoke a persistent group */
6073 int wpas_p2p_invite(struct wpa_supplicant
*wpa_s
, const u8
*peer_addr
,
6074 struct wpa_ssid
*ssid
, const u8
*go_dev_addr
, int freq
,
6075 int ht40
, int vht
, int pref_freq
)
6077 enum p2p_invite_role role
;
6081 int no_pref_freq_given
= pref_freq
== 0;
6083 wpa_s
->global
->p2p_invite_group
= NULL
;
6085 os_memcpy(wpa_s
->p2p_auth_invite
, peer_addr
, ETH_ALEN
);
6087 os_memset(wpa_s
->p2p_auth_invite
, 0, ETH_ALEN
);
6089 wpa_s
->p2p_persistent_go_freq
= freq
;
6090 wpa_s
->p2p_go_ht40
= !!ht40
;
6091 if (ssid
->mode
== WPAS_MODE_P2P_GO
) {
6092 role
= P2P_INVITE_ROLE_GO
;
6093 if (peer_addr
== NULL
) {
6094 wpa_printf(MSG_DEBUG
, "P2P: Missing peer "
6095 "address in invitation command");
6098 if (wpas_p2p_create_iface(wpa_s
)) {
6099 if (wpas_p2p_add_group_interface(wpa_s
,
6100 WPA_IF_P2P_GO
) < 0) {
6101 wpa_printf(MSG_ERROR
, "P2P: Failed to "
6102 "allocate a new interface for the "
6106 bssid
= wpa_s
->pending_interface_addr
;
6108 bssid
= wpa_s
->own_addr
;
6110 role
= P2P_INVITE_ROLE_CLIENT
;
6111 peer_addr
= ssid
->bssid
;
6113 wpa_s
->pending_invite_ssid_id
= ssid
->id
;
6115 res
= wpas_p2p_setup_freqs(wpa_s
, freq
, &force_freq
, &pref_freq
,
6116 role
== P2P_INVITE_ROLE_GO
);
6120 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
6123 if (wpa_s
->parent
->conf
->p2p_ignore_shared_freq
&&
6124 no_pref_freq_given
&& pref_freq
> 0 &&
6125 wpa_s
->num_multichan_concurrent
> 1 &&
6126 wpas_p2p_num_unused_channels(wpa_s
) > 0) {
6127 wpa_printf(MSG_DEBUG
, "P2P: Ignore own channel preference %d MHz for invitation due to p2p_ignore_shared_freq=1 configuration",
6133 * Stop any find/listen operations before invitation and possibly
6134 * connection establishment.
6136 wpas_p2p_stop_find_oper(wpa_s
);
6138 return p2p_invite(wpa_s
->global
->p2p
, peer_addr
, role
, bssid
,
6139 ssid
->ssid
, ssid
->ssid_len
, force_freq
, go_dev_addr
,
6144 /* Invite to join an active group */
6145 int wpas_p2p_invite_group(struct wpa_supplicant
*wpa_s
, const char *ifname
,
6146 const u8
*peer_addr
, const u8
*go_dev_addr
)
6148 struct wpa_global
*global
= wpa_s
->global
;
6149 enum p2p_invite_role role
;
6151 struct wpa_ssid
*ssid
;
6153 int freq
= 0, force_freq
= 0, pref_freq
= 0;
6156 wpa_s
->p2p_persistent_go_freq
= 0;
6157 wpa_s
->p2p_go_ht40
= 0;
6158 wpa_s
->p2p_go_vht
= 0;
6160 for (wpa_s
= global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
6161 if (os_strcmp(wpa_s
->ifname
, ifname
) == 0)
6164 if (wpa_s
== NULL
) {
6165 wpa_printf(MSG_DEBUG
, "P2P: Interface '%s' not found", ifname
);
6169 ssid
= wpa_s
->current_ssid
;
6171 wpa_printf(MSG_DEBUG
, "P2P: No current SSID to use for "
6176 wpa_s
->global
->p2p_invite_group
= wpa_s
;
6177 persistent
= ssid
->p2p_persistent_group
&&
6178 wpas_p2p_get_persistent(wpa_s
->parent
, peer_addr
,
6179 ssid
->ssid
, ssid
->ssid_len
);
6181 if (ssid
->mode
== WPAS_MODE_P2P_GO
) {
6182 role
= P2P_INVITE_ROLE_ACTIVE_GO
;
6183 bssid
= wpa_s
->own_addr
;
6184 if (go_dev_addr
== NULL
)
6185 go_dev_addr
= wpa_s
->global
->p2p_dev_addr
;
6186 freq
= ssid
->frequency
;
6188 role
= P2P_INVITE_ROLE_CLIENT
;
6189 if (wpa_s
->wpa_state
< WPA_ASSOCIATED
) {
6190 wpa_printf(MSG_DEBUG
, "P2P: Not associated - cannot "
6191 "invite to current group");
6194 bssid
= wpa_s
->bssid
;
6195 if (go_dev_addr
== NULL
&&
6196 !is_zero_ether_addr(wpa_s
->go_dev_addr
))
6197 go_dev_addr
= wpa_s
->go_dev_addr
;
6198 freq
= wpa_s
->current_bss
? wpa_s
->current_bss
->freq
:
6199 (int) wpa_s
->assoc_freq
;
6201 wpa_s
->parent
->pending_invite_ssid_id
= -1;
6203 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
6206 res
= wpas_p2p_setup_freqs(wpa_s
, freq
, &force_freq
, &pref_freq
,
6207 role
== P2P_INVITE_ROLE_ACTIVE_GO
);
6210 wpas_p2p_set_own_freq_preference(wpa_s
, force_freq
);
6212 return p2p_invite(wpa_s
->global
->p2p
, peer_addr
, role
, bssid
,
6213 ssid
->ssid
, ssid
->ssid_len
, force_freq
,
6214 go_dev_addr
, persistent
, pref_freq
, -1);
6218 void wpas_p2p_completed(struct wpa_supplicant
*wpa_s
)
6220 struct wpa_ssid
*ssid
= wpa_s
->current_ssid
;
6221 u8 go_dev_addr
[ETH_ALEN
];
6222 int network_id
= -1;
6228 if (ssid
== NULL
|| ssid
->mode
!= WPAS_MODE_P2P_GROUP_FORMATION
) {
6229 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
,
6230 wpa_s
->parent
, NULL
);
6233 if (!wpa_s
->show_group_started
|| !ssid
)
6236 wpa_s
->show_group_started
= 0;
6238 os_memset(go_dev_addr
, 0, ETH_ALEN
);
6239 if (ssid
->bssid_set
)
6240 os_memcpy(go_dev_addr
, ssid
->bssid
, ETH_ALEN
);
6241 persistent
= wpas_p2p_persistent_group(wpa_s
, go_dev_addr
, ssid
->ssid
,
6243 os_memcpy(wpa_s
->go_dev_addr
, go_dev_addr
, ETH_ALEN
);
6245 if (wpa_s
->global
->p2p_group_formation
== wpa_s
)
6246 wpa_s
->global
->p2p_group_formation
= NULL
;
6248 freq
= wpa_s
->current_bss
? wpa_s
->current_bss
->freq
:
6249 (int) wpa_s
->assoc_freq
;
6252 if (wpa_sm_get_p2p_ip_addr(wpa_s
->wpa
, ip
) == 0) {
6255 res
= os_snprintf(ip_addr
, sizeof(ip_addr
),
6256 " ip_addr=%u.%u.%u.%u "
6257 "ip_mask=%u.%u.%u.%u go_ip_addr=%u.%u.%u.%u",
6258 ip
[0], ip
[1], ip
[2], ip
[3],
6259 ip
[4], ip
[5], ip
[6], ip
[7],
6260 ip
[8], ip
[9], ip
[10], ip
[11]);
6261 if (os_snprintf_error(sizeof(ip_addr
), res
))
6265 wpas_p2p_group_started(wpa_s
, 0, ssid
, freq
,
6266 ssid
->passphrase
== NULL
&& ssid
->psk_set
?
6268 ssid
->passphrase
, go_dev_addr
, persistent
,
6272 network_id
= wpas_p2p_store_persistent_group(wpa_s
->parent
,
6275 network_id
= ssid
->id
;
6276 wpas_notify_p2p_group_started(wpa_s
, ssid
, network_id
, 1);
6280 int wpas_p2p_presence_req(struct wpa_supplicant
*wpa_s
, u32 duration1
,
6281 u32 interval1
, u32 duration2
, u32 interval2
)
6285 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
6288 if (wpa_s
->wpa_state
< WPA_ASSOCIATED
||
6289 wpa_s
->current_ssid
== NULL
||
6290 wpa_s
->current_ssid
->mode
!= WPAS_MODE_INFRA
)
6293 ret
= p2p_presence_req(wpa_s
->global
->p2p
, wpa_s
->bssid
,
6294 wpa_s
->own_addr
, wpa_s
->assoc_freq
,
6295 duration1
, interval1
, duration2
, interval2
);
6297 wpa_s
->waiting_presence_resp
= 1;
6303 int wpas_p2p_ext_listen(struct wpa_supplicant
*wpa_s
, unsigned int period
,
6304 unsigned int interval
)
6306 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
6309 return p2p_ext_listen(wpa_s
->global
->p2p
, period
, interval
);
6313 static int wpas_p2p_is_client(struct wpa_supplicant
*wpa_s
)
6315 if (wpa_s
->current_ssid
== NULL
) {
6317 * current_ssid can be cleared when P2P client interface gets
6318 * disconnected, so assume this interface was used as P2P
6323 return wpa_s
->current_ssid
->p2p_group
&&
6324 wpa_s
->current_ssid
->mode
== WPAS_MODE_INFRA
;
6328 static void wpas_p2p_group_idle_timeout(void *eloop_ctx
, void *timeout_ctx
)
6330 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
6332 if (wpa_s
->conf
->p2p_group_idle
== 0 && !wpas_p2p_is_client(wpa_s
)) {
6333 wpa_printf(MSG_DEBUG
, "P2P: Ignore group idle timeout - "
6338 wpa_printf(MSG_DEBUG
, "P2P: Group idle timeout reached - terminate "
6340 wpas_p2p_group_delete(wpa_s
, P2P_GROUP_REMOVAL_IDLE_TIMEOUT
);
6344 static void wpas_p2p_set_group_idle_timeout(struct wpa_supplicant
*wpa_s
)
6348 if (eloop_cancel_timeout(wpas_p2p_group_idle_timeout
, wpa_s
, NULL
) > 0)
6349 wpa_printf(MSG_DEBUG
, "P2P: Cancelled P2P group idle timeout");
6351 if (wpa_s
->current_ssid
== NULL
|| !wpa_s
->current_ssid
->p2p_group
)
6354 timeout
= wpa_s
->conf
->p2p_group_idle
;
6355 if (wpa_s
->current_ssid
->mode
== WPAS_MODE_INFRA
&&
6356 (timeout
== 0 || timeout
> P2P_MAX_CLIENT_IDLE
))
6357 timeout
= P2P_MAX_CLIENT_IDLE
;
6363 if (wpa_s
->current_ssid
->mode
== WPAS_MODE_INFRA
)
6364 timeout
= 0; /* special client mode no-timeout */
6369 if (wpa_s
->p2p_in_provisioning
) {
6371 * Use the normal group formation timeout during the
6372 * provisioning phase to avoid terminating this process too
6373 * early due to group idle timeout.
6375 wpa_printf(MSG_DEBUG
, "P2P: Do not use P2P group idle timeout "
6376 "during provisioning");
6380 if (wpa_s
->show_group_started
) {
6382 * Use the normal group formation timeout between the end of
6383 * the provisioning phase and completion of 4-way handshake to
6384 * avoid terminating this process too early due to group idle
6387 wpa_printf(MSG_DEBUG
, "P2P: Do not use P2P group idle timeout "
6388 "while waiting for initial 4-way handshake to "
6393 wpa_printf(MSG_DEBUG
, "P2P: Set P2P group idle timeout to %u seconds",
6395 eloop_register_timeout(timeout
, 0, wpas_p2p_group_idle_timeout
,
6400 /* Returns 1 if the interface was removed */
6401 int wpas_p2p_deauth_notif(struct wpa_supplicant
*wpa_s
, const u8
*bssid
,
6402 u16 reason_code
, const u8
*ie
, size_t ie_len
,
6403 int locally_generated
)
6405 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
6408 if (!locally_generated
)
6409 p2p_deauth_notif(wpa_s
->global
->p2p
, bssid
, reason_code
, ie
,
6412 if (reason_code
== WLAN_REASON_DEAUTH_LEAVING
&& !locally_generated
&&
6413 wpa_s
->current_ssid
&&
6414 wpa_s
->current_ssid
->p2p_group
&&
6415 wpa_s
->current_ssid
->mode
== WPAS_MODE_INFRA
) {
6416 wpa_printf(MSG_DEBUG
, "P2P: GO indicated that the P2P Group "
6417 "session is ending");
6418 if (wpas_p2p_group_delete(wpa_s
,
6419 P2P_GROUP_REMOVAL_GO_ENDING_SESSION
)
6428 void wpas_p2p_disassoc_notif(struct wpa_supplicant
*wpa_s
, const u8
*bssid
,
6429 u16 reason_code
, const u8
*ie
, size_t ie_len
,
6430 int locally_generated
)
6432 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
6435 if (!locally_generated
)
6436 p2p_disassoc_notif(wpa_s
->global
->p2p
, bssid
, reason_code
, ie
,
6441 void wpas_p2p_update_config(struct wpa_supplicant
*wpa_s
)
6443 struct p2p_data
*p2p
= wpa_s
->global
->p2p
;
6448 if (!(wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_P2P_CAPABLE
))
6451 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_DEVICE_NAME
)
6452 p2p_set_dev_name(p2p
, wpa_s
->conf
->device_name
);
6454 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_DEVICE_TYPE
)
6455 p2p_set_pri_dev_type(p2p
, wpa_s
->conf
->device_type
);
6458 (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_CONFIG_METHODS
))
6459 p2p_set_config_methods(p2p
, wpa_s
->wps
->config_methods
);
6461 if (wpa_s
->wps
&& (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_UUID
))
6462 p2p_set_uuid(p2p
, wpa_s
->wps
->uuid
);
6464 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_WPS_STRING
) {
6465 p2p_set_manufacturer(p2p
, wpa_s
->conf
->manufacturer
);
6466 p2p_set_model_name(p2p
, wpa_s
->conf
->model_name
);
6467 p2p_set_model_number(p2p
, wpa_s
->conf
->model_number
);
6468 p2p_set_serial_number(p2p
, wpa_s
->conf
->serial_number
);
6471 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_SEC_DEVICE_TYPE
)
6472 p2p_set_sec_dev_types(p2p
,
6473 (void *) wpa_s
->conf
->sec_device_type
,
6474 wpa_s
->conf
->num_sec_device_types
);
6476 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_VENDOR_EXTENSION
) {
6478 p2p_remove_wps_vendor_extensions(p2p
);
6479 for (i
= 0; i
< MAX_WPS_VENDOR_EXT
; i
++) {
6480 if (wpa_s
->conf
->wps_vendor_ext
[i
] == NULL
)
6482 p2p_add_wps_vendor_extension(
6483 p2p
, wpa_s
->conf
->wps_vendor_ext
[i
]);
6487 if ((wpa_s
->conf
->changed_parameters
& CFG_CHANGED_COUNTRY
) &&
6488 wpa_s
->conf
->country
[0] && wpa_s
->conf
->country
[1]) {
6490 country
[0] = wpa_s
->conf
->country
[0];
6491 country
[1] = wpa_s
->conf
->country
[1];
6493 p2p_set_country(p2p
, country
);
6496 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_P2P_SSID_POSTFIX
) {
6497 p2p_set_ssid_postfix(p2p
, (u8
*) wpa_s
->conf
->p2p_ssid_postfix
,
6498 wpa_s
->conf
->p2p_ssid_postfix
?
6499 os_strlen(wpa_s
->conf
->p2p_ssid_postfix
) :
6503 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_P2P_INTRA_BSS
)
6504 p2p_set_intra_bss_dist(p2p
, wpa_s
->conf
->p2p_intra_bss
);
6506 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_P2P_LISTEN_CHANNEL
) {
6507 u8 reg_class
, channel
;
6512 if (wpa_s
->conf
->p2p_listen_reg_class
&&
6513 wpa_s
->conf
->p2p_listen_channel
) {
6514 reg_class
= wpa_s
->conf
->p2p_listen_reg_class
;
6515 channel
= wpa_s
->conf
->p2p_listen_channel
;
6520 * Pick one of the social channels randomly as the
6523 if (os_get_random((u8
*) &r
, sizeof(r
)) < 0)
6526 channel
= 1 + (r
% 3) * 5;
6529 ret
= p2p_set_listen_channel(p2p
, reg_class
, channel
,
6532 wpa_printf(MSG_ERROR
, "P2P: Own listen channel update "
6535 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_P2P_OPER_CHANNEL
) {
6536 u8 op_reg_class
, op_channel
, cfg_op_channel
;
6539 if (wpa_s
->conf
->p2p_oper_reg_class
&&
6540 wpa_s
->conf
->p2p_oper_channel
) {
6541 op_reg_class
= wpa_s
->conf
->p2p_oper_reg_class
;
6542 op_channel
= wpa_s
->conf
->p2p_oper_channel
;
6547 * Use random operation channel from (1, 6, 11)
6548 *if no other preference is indicated.
6550 if (os_get_random((u8
*) &r
, sizeof(r
)) < 0)
6553 op_channel
= 1 + (r
% 3) * 5;
6556 ret
= p2p_set_oper_channel(p2p
, op_reg_class
, op_channel
,
6559 wpa_printf(MSG_ERROR
, "P2P: Own oper channel update "
6563 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_P2P_PREF_CHAN
) {
6564 if (p2p_set_pref_chan(p2p
, wpa_s
->conf
->num_p2p_pref_chan
,
6565 wpa_s
->conf
->p2p_pref_chan
) < 0) {
6566 wpa_printf(MSG_ERROR
, "P2P: Preferred channel list "
6570 if (p2p_set_no_go_freq(p2p
, &wpa_s
->conf
->p2p_no_go_freq
) < 0) {
6571 wpa_printf(MSG_ERROR
, "P2P: No GO channel list "
6576 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_P2P_PASSPHRASE_LEN
)
6577 p2p_set_passphrase_len(p2p
, wpa_s
->conf
->p2p_passphrase_len
);
6581 int wpas_p2p_set_noa(struct wpa_supplicant
*wpa_s
, u8 count
, int start
,
6584 if (!wpa_s
->ap_iface
)
6586 return hostapd_p2p_set_noa(wpa_s
->ap_iface
->bss
[0], count
, start
,
6591 int wpas_p2p_set_cross_connect(struct wpa_supplicant
*wpa_s
, int enabled
)
6593 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
6596 wpa_s
->global
->cross_connection
= enabled
;
6597 p2p_set_cross_connect(wpa_s
->global
->p2p
, enabled
);
6600 struct wpa_supplicant
*iface
;
6602 for (iface
= wpa_s
->global
->ifaces
; iface
; iface
= iface
->next
)
6604 if (iface
->cross_connect_enabled
== 0)
6607 iface
->cross_connect_enabled
= 0;
6608 iface
->cross_connect_in_use
= 0;
6609 wpa_msg_global(iface
->parent
, MSG_INFO
,
6610 P2P_EVENT_CROSS_CONNECT_DISABLE
"%s %s",
6612 iface
->cross_connect_uplink
);
6620 static void wpas_p2p_enable_cross_connect(struct wpa_supplicant
*uplink
)
6622 struct wpa_supplicant
*iface
;
6624 if (!uplink
->global
->cross_connection
)
6627 for (iface
= uplink
->global
->ifaces
; iface
; iface
= iface
->next
) {
6628 if (!iface
->cross_connect_enabled
)
6630 if (os_strcmp(uplink
->ifname
, iface
->cross_connect_uplink
) !=
6633 if (iface
->ap_iface
== NULL
)
6635 if (iface
->cross_connect_in_use
)
6638 iface
->cross_connect_in_use
= 1;
6639 wpa_msg_global(iface
->parent
, MSG_INFO
,
6640 P2P_EVENT_CROSS_CONNECT_ENABLE
"%s %s",
6641 iface
->ifname
, iface
->cross_connect_uplink
);
6646 static void wpas_p2p_disable_cross_connect(struct wpa_supplicant
*uplink
)
6648 struct wpa_supplicant
*iface
;
6650 for (iface
= uplink
->global
->ifaces
; iface
; iface
= iface
->next
) {
6651 if (!iface
->cross_connect_enabled
)
6653 if (os_strcmp(uplink
->ifname
, iface
->cross_connect_uplink
) !=
6656 if (!iface
->cross_connect_in_use
)
6659 wpa_msg_global(iface
->parent
, MSG_INFO
,
6660 P2P_EVENT_CROSS_CONNECT_DISABLE
"%s %s",
6661 iface
->ifname
, iface
->cross_connect_uplink
);
6662 iface
->cross_connect_in_use
= 0;
6667 void wpas_p2p_notif_connected(struct wpa_supplicant
*wpa_s
)
6669 if (wpa_s
->ap_iface
|| wpa_s
->current_ssid
== NULL
||
6670 wpa_s
->current_ssid
->mode
!= WPAS_MODE_INFRA
||
6671 wpa_s
->cross_connect_disallowed
)
6672 wpas_p2p_disable_cross_connect(wpa_s
);
6674 wpas_p2p_enable_cross_connect(wpa_s
);
6675 if (!wpa_s
->ap_iface
&&
6676 eloop_cancel_timeout(wpas_p2p_group_idle_timeout
, wpa_s
, NULL
) > 0)
6677 wpa_printf(MSG_DEBUG
, "P2P: Cancelled P2P group idle timeout");
6681 void wpas_p2p_notif_disconnected(struct wpa_supplicant
*wpa_s
)
6683 wpas_p2p_disable_cross_connect(wpa_s
);
6684 if (!wpa_s
->ap_iface
&&
6685 !eloop_is_timeout_registered(wpas_p2p_group_idle_timeout
,
6687 wpas_p2p_set_group_idle_timeout(wpa_s
);
6691 static void wpas_p2p_cross_connect_setup(struct wpa_supplicant
*wpa_s
)
6693 struct wpa_supplicant
*iface
;
6695 if (!wpa_s
->global
->cross_connection
)
6698 for (iface
= wpa_s
->global
->ifaces
; iface
; iface
= iface
->next
) {
6701 if (iface
->drv_flags
&
6702 WPA_DRIVER_FLAGS_P2P_DEDICATED_INTERFACE
)
6704 if ((iface
->drv_flags
& WPA_DRIVER_FLAGS_P2P_CAPABLE
) &&
6705 iface
!= wpa_s
->parent
)
6708 wpa_s
->cross_connect_enabled
= 1;
6709 os_strlcpy(wpa_s
->cross_connect_uplink
, iface
->ifname
,
6710 sizeof(wpa_s
->cross_connect_uplink
));
6711 wpa_printf(MSG_DEBUG
, "P2P: Enable cross connection from "
6712 "%s to %s whenever uplink is available",
6713 wpa_s
->ifname
, wpa_s
->cross_connect_uplink
);
6715 if (iface
->ap_iface
|| iface
->current_ssid
== NULL
||
6716 iface
->current_ssid
->mode
!= WPAS_MODE_INFRA
||
6717 iface
->cross_connect_disallowed
||
6718 iface
->wpa_state
!= WPA_COMPLETED
)
6721 wpa_s
->cross_connect_in_use
= 1;
6722 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
6723 P2P_EVENT_CROSS_CONNECT_ENABLE
"%s %s",
6724 wpa_s
->ifname
, wpa_s
->cross_connect_uplink
);
6730 int wpas_p2p_notif_pbc_overlap(struct wpa_supplicant
*wpa_s
)
6732 if (wpa_s
->p2p_group_interface
!= P2P_GROUP_INTERFACE_CLIENT
&&
6733 !wpa_s
->p2p_in_provisioning
)
6734 return 0; /* not P2P client operation */
6736 wpa_printf(MSG_DEBUG
, "P2P: Terminate connection due to WPS PBC "
6738 if (wpa_s
!= wpa_s
->parent
)
6739 wpa_msg_ctrl(wpa_s
->parent
, MSG_INFO
, WPS_EVENT_OVERLAP
);
6740 wpas_p2p_group_formation_failed(wpa_s
);
6745 void wpas_p2p_pbc_overlap_cb(void *eloop_ctx
, void *timeout_ctx
)
6747 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
6748 wpas_p2p_notif_pbc_overlap(wpa_s
);
6752 void wpas_p2p_update_channel_list(struct wpa_supplicant
*wpa_s
)
6754 struct p2p_channels chan
, cli_chan
;
6755 struct wpa_supplicant
*ifs
;
6757 if (wpa_s
->global
== NULL
|| wpa_s
->global
->p2p
== NULL
)
6760 os_memset(&chan
, 0, sizeof(chan
));
6761 os_memset(&cli_chan
, 0, sizeof(cli_chan
));
6762 if (wpas_p2p_setup_channels(wpa_s
, &chan
, &cli_chan
)) {
6763 wpa_printf(MSG_ERROR
, "P2P: Failed to update supported "
6768 p2p_update_channel_list(wpa_s
->global
->p2p
, &chan
, &cli_chan
);
6770 for (ifs
= wpa_s
->global
->ifaces
; ifs
; ifs
= ifs
->next
) {
6772 if (!ifs
->current_ssid
||
6773 !ifs
->current_ssid
->p2p_group
||
6774 (ifs
->current_ssid
->mode
!= WPAS_MODE_P2P_GO
&&
6775 ifs
->current_ssid
->mode
!= WPAS_MODE_P2P_GROUP_FORMATION
))
6777 freq
= ifs
->current_ssid
->frequency
;
6778 if (freq_included(&chan
, freq
)) {
6779 wpa_dbg(ifs
, MSG_DEBUG
,
6780 "P2P GO operating frequency %d MHz in valid range",
6785 wpa_dbg(ifs
, MSG_DEBUG
,
6786 "P2P GO operating in invalid frequency %d MHz", freq
);
6787 /* TODO: Consider using CSA or removing the group within
6789 wpa_msg(ifs
, MSG_INFO
, P2P_EVENT_REMOVE_AND_REFORM_GROUP
);
6794 static void wpas_p2p_scan_res_ignore(struct wpa_supplicant
*wpa_s
,
6795 struct wpa_scan_results
*scan_res
)
6797 wpa_printf(MSG_DEBUG
, "P2P: Ignore scan results");
6801 int wpas_p2p_cancel(struct wpa_supplicant
*wpa_s
)
6803 struct wpa_global
*global
= wpa_s
->global
;
6807 if (global
->p2p
== NULL
)
6810 wpa_printf(MSG_DEBUG
, "P2P: Request to cancel group formation");
6812 if (wpa_s
->pending_interface_name
[0] &&
6813 !is_zero_ether_addr(wpa_s
->pending_interface_addr
))
6816 peer
= p2p_get_go_neg_peer(global
->p2p
);
6818 wpa_printf(MSG_DEBUG
, "P2P: Unauthorize pending GO Neg peer "
6819 MACSTR
, MAC2STR(peer
));
6820 p2p_unauthorize(global
->p2p
, peer
);
6824 if (wpa_s
->scan_res_handler
== wpas_p2p_scan_res_join
) {
6825 wpa_printf(MSG_DEBUG
, "P2P: Stop pending scan for join");
6826 wpa_s
->scan_res_handler
= wpas_p2p_scan_res_ignore
;
6830 if (wpa_s
->pending_pd_before_join
) {
6831 wpa_printf(MSG_DEBUG
, "P2P: Stop pending PD before join");
6832 wpa_s
->pending_pd_before_join
= 0;
6836 wpas_p2p_stop_find(wpa_s
);
6838 for (wpa_s
= global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
6839 if (wpa_s
== global
->p2p_group_formation
&&
6840 (wpa_s
->p2p_in_provisioning
||
6841 wpa_s
->parent
->pending_interface_type
==
6842 WPA_IF_P2P_CLIENT
)) {
6843 wpa_printf(MSG_DEBUG
, "P2P: Interface %s in group "
6844 "formation found - cancelling",
6847 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
,
6848 wpa_s
->parent
, NULL
);
6849 if (wpa_s
->p2p_in_provisioning
) {
6850 wpas_group_formation_completed(wpa_s
, 0);
6853 wpas_p2p_group_delete(wpa_s
,
6854 P2P_GROUP_REMOVAL_REQUESTED
);
6856 } else if (wpa_s
->p2p_in_invitation
) {
6857 wpa_printf(MSG_DEBUG
, "P2P: Interface %s in invitation found - cancelling",
6860 wpas_p2p_group_formation_failed(wpa_s
);
6865 wpa_printf(MSG_DEBUG
, "P2P: No ongoing group formation found");
6873 void wpas_p2p_interface_unavailable(struct wpa_supplicant
*wpa_s
)
6875 if (wpa_s
->current_ssid
== NULL
|| !wpa_s
->current_ssid
->p2p_group
)
6878 wpa_printf(MSG_DEBUG
, "P2P: Remove group due to driver resource not "
6879 "being available anymore");
6880 wpas_p2p_group_delete(wpa_s
, P2P_GROUP_REMOVAL_UNAVAILABLE
);
6884 void wpas_p2p_update_best_channels(struct wpa_supplicant
*wpa_s
,
6885 int freq_24
, int freq_5
, int freq_overall
)
6887 struct p2p_data
*p2p
= wpa_s
->global
->p2p
;
6890 p2p_set_best_channels(p2p
, freq_24
, freq_5
, freq_overall
);
6894 int wpas_p2p_unauthorize(struct wpa_supplicant
*wpa_s
, const char *addr
)
6897 struct p2p_data
*p2p
= wpa_s
->global
->p2p
;
6902 if (hwaddr_aton(addr
, peer
))
6905 return p2p_unauthorize(p2p
, peer
);
6910 * wpas_p2p_disconnect - Disconnect from a P2P Group
6911 * @wpa_s: Pointer to wpa_supplicant data
6912 * Returns: 0 on success, -1 on failure
6914 * This can be used to disconnect from a group in which the local end is a P2P
6915 * Client or to end a P2P Group in case the local end is the Group Owner. If a
6916 * virtual network interface was created for this group, that interface will be
6917 * removed. Otherwise, only the configured P2P group network will be removed
6918 * from the interface.
6920 int wpas_p2p_disconnect(struct wpa_supplicant
*wpa_s
)
6926 return wpas_p2p_group_delete(wpa_s
, P2P_GROUP_REMOVAL_REQUESTED
) < 0 ?
6931 int wpas_p2p_in_progress(struct wpa_supplicant
*wpa_s
)
6935 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
6938 ret
= p2p_in_progress(wpa_s
->global
->p2p
);
6941 * Check whether there is an ongoing WPS provisioning step (or
6942 * other parts of group formation) on another interface since
6943 * p2p_in_progress() does not report this to avoid issues for
6944 * scans during such provisioning step.
6946 if (wpa_s
->global
->p2p_group_formation
&&
6947 wpa_s
->global
->p2p_group_formation
!= wpa_s
) {
6948 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Another interface (%s) "
6949 "in group formation",
6950 wpa_s
->global
->p2p_group_formation
->ifname
);
6955 if (!ret
&& wpa_s
->global
->p2p_go_wait_client
.sec
) {
6956 struct os_reltime now
;
6957 os_get_reltime(&now
);
6958 if (os_reltime_expired(&now
, &wpa_s
->global
->p2p_go_wait_client
,
6959 P2P_MAX_INITIAL_CONN_WAIT_GO
)) {
6960 /* Wait for the first client has expired */
6961 wpa_s
->global
->p2p_go_wait_client
.sec
= 0;
6963 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Waiting for initial client connection during group formation");
6972 void wpas_p2p_network_removed(struct wpa_supplicant
*wpa_s
,
6973 struct wpa_ssid
*ssid
)
6975 if (wpa_s
->p2p_in_provisioning
&& ssid
->p2p_group
&&
6976 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
,
6977 wpa_s
->parent
, NULL
) > 0) {
6979 * Remove the network by scheduling the group formation
6980 * timeout to happen immediately. The teardown code
6981 * needs to be scheduled to run asynch later so that we
6982 * don't delete data from under ourselves unexpectedly.
6983 * Calling wpas_p2p_group_formation_timeout directly
6984 * causes a series of crashes in WPS failure scenarios.
6986 wpa_printf(MSG_DEBUG
, "P2P: Canceled group formation due to "
6987 "P2P group network getting removed");
6988 eloop_register_timeout(0, 0, wpas_p2p_group_formation_timeout
,
6989 wpa_s
->parent
, NULL
);
6994 struct wpa_ssid
* wpas_p2p_get_persistent(struct wpa_supplicant
*wpa_s
,
6995 const u8
*addr
, const u8
*ssid
,
7001 for (s
= wpa_s
->conf
->ssid
; s
; s
= s
->next
) {
7002 if (s
->disabled
!= 2)
7005 (ssid_len
!= s
->ssid_len
||
7006 os_memcmp(ssid
, s
->ssid
, ssid_len
) != 0))
7009 if (s
->mode
== WPAS_MODE_P2P_GO
)
7013 if (os_memcmp(s
->bssid
, addr
, ETH_ALEN
) == 0)
7014 return s
; /* peer is GO in the persistent group */
7015 if (s
->mode
!= WPAS_MODE_P2P_GO
|| s
->p2p_client_list
== NULL
)
7017 for (i
= 0; i
< s
->num_p2p_clients
; i
++) {
7018 if (os_memcmp(s
->p2p_client_list
+ i
* 2 * ETH_ALEN
,
7019 addr
, ETH_ALEN
) == 0)
7020 return s
; /* peer is P2P client in persistent
7029 void wpas_p2p_notify_ap_sta_authorized(struct wpa_supplicant
*wpa_s
,
7032 if (eloop_cancel_timeout(wpas_p2p_group_formation_timeout
,
7033 wpa_s
->parent
, NULL
) > 0) {
7035 * This can happen if WPS provisioning step is not terminated
7036 * cleanly (e.g., P2P Client does not send WSC_Done). Since the
7037 * peer was able to connect, there is no need to time out group
7038 * formation after this, though. In addition, this is used with
7039 * the initial connection wait on the GO as a separate formation
7040 * timeout and as such, expected to be hit after the initial WPS
7041 * provisioning step.
7043 wpa_printf(MSG_DEBUG
, "P2P: Canceled P2P group formation timeout on data connection");
7045 if (!wpa_s
->p2p_go_group_formation_completed
&&
7046 !wpa_s
->group_formation_reported
) {
7048 * GO has not yet notified group formation success since
7049 * the WPS step was not completed cleanly. Do that
7050 * notification now since the P2P Client was able to
7051 * connect and as such, must have received the
7052 * credential from the WPS step.
7054 if (wpa_s
->global
->p2p
)
7055 p2p_wps_success_cb(wpa_s
->global
->p2p
, addr
);
7056 wpas_group_formation_completed(wpa_s
, 1);
7059 if (!wpa_s
->p2p_go_group_formation_completed
) {
7060 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Marking group formation completed on GO on first data connection");
7061 wpa_s
->p2p_go_group_formation_completed
= 1;
7062 wpa_s
->global
->p2p_group_formation
= NULL
;
7063 wpa_s
->p2p_in_provisioning
= 0;
7064 wpa_s
->p2p_in_invitation
= 0;
7066 wpa_s
->global
->p2p_go_wait_client
.sec
= 0;
7069 wpas_p2p_add_persistent_group_client(wpa_s
, addr
);
7073 static int wpas_p2p_fallback_to_go_neg(struct wpa_supplicant
*wpa_s
,
7076 struct wpa_supplicant
*group
= wpa_s
;
7079 if (wpa_s
->global
->p2p_group_formation
)
7080 group
= wpa_s
->global
->p2p_group_formation
;
7081 wpa_s
= wpa_s
->parent
;
7082 offchannel_send_action_done(wpa_s
);
7084 ret
= wpas_p2p_group_delete(group
, P2P_GROUP_REMOVAL_SILENT
);
7085 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Fall back to GO Negotiation");
7086 wpas_p2p_connect(wpa_s
, wpa_s
->pending_join_dev_addr
, wpa_s
->p2p_pin
,
7087 wpa_s
->p2p_wps_method
, wpa_s
->p2p_persistent_group
, 0,
7088 0, 0, wpa_s
->p2p_go_intent
, wpa_s
->p2p_connect_freq
,
7089 wpa_s
->p2p_persistent_id
,
7090 wpa_s
->p2p_pd_before_go_neg
,
7097 int wpas_p2p_scan_no_go_seen(struct wpa_supplicant
*wpa_s
)
7101 if (!wpa_s
->p2p_fallback_to_go_neg
||
7102 wpa_s
->p2p_in_provisioning
<= 5)
7105 if (wpas_p2p_peer_go(wpa_s
, wpa_s
->pending_join_dev_addr
) > 0)
7106 return 0; /* peer operating as a GO */
7108 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: GO not found for p2p_connect-auto - "
7109 "fallback to GO Negotiation");
7110 wpa_msg_global(wpa_s
->parent
, MSG_INFO
, P2P_EVENT_FALLBACK_TO_GO_NEG
7111 "reason=GO-not-found");
7112 res
= wpas_p2p_fallback_to_go_neg(wpa_s
, 1);
7114 return res
== 1 ? 2 : 1;
7118 unsigned int wpas_p2p_search_delay(struct wpa_supplicant
*wpa_s
)
7120 struct wpa_supplicant
*ifs
;
7122 if (wpa_s
->wpa_state
> WPA_SCANNING
) {
7123 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Use %u ms search delay due to "
7124 "concurrent operation",
7125 wpa_s
->conf
->p2p_search_delay
);
7126 return wpa_s
->conf
->p2p_search_delay
;
7129 dl_list_for_each(ifs
, &wpa_s
->radio
->ifaces
, struct wpa_supplicant
,
7131 if (ifs
!= wpa_s
&& ifs
->wpa_state
> WPA_SCANNING
) {
7132 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Use %u ms search "
7133 "delay due to concurrent operation on "
7135 wpa_s
->conf
->p2p_search_delay
,
7137 return wpa_s
->conf
->p2p_search_delay
;
7145 static int wpas_p2p_remove_psk_entry(struct wpa_supplicant
*wpa_s
,
7146 struct wpa_ssid
*s
, const u8
*addr
,
7149 struct psk_list_entry
*psk
, *tmp
;
7152 dl_list_for_each_safe(psk
, tmp
, &s
->psk_list
, struct psk_list_entry
,
7154 if ((iface_addr
&& !psk
->p2p
&&
7155 os_memcmp(addr
, psk
->addr
, ETH_ALEN
) == 0) ||
7156 (!iface_addr
&& psk
->p2p
&&
7157 os_memcmp(addr
, psk
->addr
, ETH_ALEN
) == 0)) {
7158 wpa_dbg(wpa_s
, MSG_DEBUG
,
7159 "P2P: Remove persistent group PSK list entry for "
7161 MAC2STR(psk
->addr
), psk
->p2p
);
7162 dl_list_del(&psk
->list
);
7172 void wpas_p2p_new_psk_cb(struct wpa_supplicant
*wpa_s
, const u8
*mac_addr
,
7173 const u8
*p2p_dev_addr
,
7174 const u8
*psk
, size_t psk_len
)
7176 struct wpa_ssid
*ssid
= wpa_s
->current_ssid
;
7177 struct wpa_ssid
*persistent
;
7178 struct psk_list_entry
*p
, *last
;
7180 if (psk_len
!= sizeof(p
->psk
))
7184 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: New PSK for addr=" MACSTR
7185 " p2p_dev_addr=" MACSTR
,
7186 MAC2STR(mac_addr
), MAC2STR(p2p_dev_addr
));
7187 if (is_zero_ether_addr(p2p_dev_addr
))
7188 p2p_dev_addr
= NULL
;
7190 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: New PSK for addr=" MACSTR
,
7194 if (ssid
->mode
== WPAS_MODE_P2P_GROUP_FORMATION
) {
7195 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: new_psk_cb during group formation");
7196 /* To be added to persistent group once created */
7197 if (wpa_s
->global
->add_psk
== NULL
) {
7198 wpa_s
->global
->add_psk
= os_zalloc(sizeof(*p
));
7199 if (wpa_s
->global
->add_psk
== NULL
)
7202 p
= wpa_s
->global
->add_psk
;
7205 os_memcpy(p
->addr
, p2p_dev_addr
, ETH_ALEN
);
7208 os_memcpy(p
->addr
, mac_addr
, ETH_ALEN
);
7210 os_memcpy(p
->psk
, psk
, psk_len
);
7214 if (ssid
->mode
!= WPAS_MODE_P2P_GO
|| !ssid
->p2p_persistent_group
) {
7215 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Ignore new_psk_cb on not-persistent GO");
7219 persistent
= wpas_p2p_get_persistent(wpa_s
->parent
, NULL
, ssid
->ssid
,
7222 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Could not find persistent group information to store the new PSK");
7226 p
= os_zalloc(sizeof(*p
));
7231 os_memcpy(p
->addr
, p2p_dev_addr
, ETH_ALEN
);
7234 os_memcpy(p
->addr
, mac_addr
, ETH_ALEN
);
7236 os_memcpy(p
->psk
, psk
, psk_len
);
7238 if (dl_list_len(&persistent
->psk_list
) > P2P_MAX_STORED_CLIENTS
&&
7239 (last
= dl_list_last(&persistent
->psk_list
,
7240 struct psk_list_entry
, list
))) {
7241 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Remove oldest PSK entry for "
7242 MACSTR
" (p2p=%u) to make room for a new one",
7243 MAC2STR(last
->addr
), last
->p2p
);
7244 dl_list_del(&last
->list
);
7248 wpas_p2p_remove_psk_entry(wpa_s
->parent
, persistent
,
7249 p2p_dev_addr
? p2p_dev_addr
: mac_addr
,
7250 p2p_dev_addr
== NULL
);
7252 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Add new PSK for p2p_dev_addr="
7253 MACSTR
, MAC2STR(p2p_dev_addr
));
7255 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Add new PSK for addr=" MACSTR
,
7258 dl_list_add(&persistent
->psk_list
, &p
->list
);
7260 if (wpa_s
->parent
->conf
->update_config
&&
7261 wpa_config_write(wpa_s
->parent
->confname
, wpa_s
->parent
->conf
))
7262 wpa_printf(MSG_DEBUG
, "P2P: Failed to update configuration");
7266 static void wpas_p2p_remove_psk(struct wpa_supplicant
*wpa_s
,
7267 struct wpa_ssid
*s
, const u8
*addr
,
7272 res
= wpas_p2p_remove_psk_entry(wpa_s
, s
, addr
, iface_addr
);
7273 if (res
> 0 && wpa_s
->conf
->update_config
&&
7274 wpa_config_write(wpa_s
->confname
, wpa_s
->conf
))
7275 wpa_dbg(wpa_s
, MSG_DEBUG
,
7276 "P2P: Failed to update configuration");
7280 static void wpas_p2p_remove_client_go(struct wpa_supplicant
*wpa_s
,
7281 const u8
*peer
, int iface_addr
)
7283 struct hostapd_data
*hapd
;
7284 struct hostapd_wpa_psk
*psk
, *prev
, *rem
;
7285 struct sta_info
*sta
;
7287 if (wpa_s
->ap_iface
== NULL
|| wpa_s
->current_ssid
== NULL
||
7288 wpa_s
->current_ssid
->mode
!= WPAS_MODE_P2P_GO
)
7291 /* Remove per-station PSK entry */
7292 hapd
= wpa_s
->ap_iface
->bss
[0];
7294 psk
= hapd
->conf
->ssid
.wpa_psk
;
7296 if ((iface_addr
&& os_memcmp(peer
, psk
->addr
, ETH_ALEN
) == 0) ||
7298 os_memcmp(peer
, psk
->p2p_dev_addr
, ETH_ALEN
) == 0)) {
7299 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Remove operating group PSK entry for "
7300 MACSTR
" iface_addr=%d",
7301 MAC2STR(peer
), iface_addr
);
7303 prev
->next
= psk
->next
;
7305 hapd
->conf
->ssid
.wpa_psk
= psk
->next
;
7315 /* Disconnect from group */
7317 sta
= ap_get_sta(hapd
, peer
);
7319 sta
= ap_get_sta_p2p(hapd
, peer
);
7321 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Disconnect peer " MACSTR
7322 " (iface_addr=%d) from group",
7323 MAC2STR(peer
), iface_addr
);
7324 hostapd_drv_sta_deauth(hapd
, sta
->addr
,
7325 WLAN_REASON_DEAUTH_LEAVING
);
7326 ap_sta_deauthenticate(hapd
, sta
, WLAN_REASON_DEAUTH_LEAVING
);
7331 void wpas_p2p_remove_client(struct wpa_supplicant
*wpa_s
, const u8
*peer
,
7335 struct wpa_supplicant
*w
;
7336 struct wpa_supplicant
*p2p_wpa_s
= wpa_s
->global
->p2p_init_wpa_s
;
7338 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Remove client " MACSTR
, MAC2STR(peer
));
7340 /* Remove from any persistent group */
7341 for (s
= p2p_wpa_s
->conf
->ssid
; s
; s
= s
->next
) {
7342 if (s
->disabled
!= 2 || s
->mode
!= WPAS_MODE_P2P_GO
)
7345 wpas_remove_persistent_peer(p2p_wpa_s
, s
, peer
, 0);
7346 wpas_p2p_remove_psk(p2p_wpa_s
, s
, peer
, iface_addr
);
7349 /* Remove from any operating group */
7350 for (w
= wpa_s
->global
->ifaces
; w
; w
= w
->next
)
7351 wpas_p2p_remove_client_go(w
, peer
, iface_addr
);
7355 static void wpas_p2p_psk_failure_removal(void *eloop_ctx
, void *timeout_ctx
)
7357 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
7358 wpas_p2p_group_delete(wpa_s
, P2P_GROUP_REMOVAL_PSK_FAILURE
);
7362 static void wpas_p2p_group_freq_conflict(void *eloop_ctx
, void *timeout_ctx
)
7364 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
7366 wpa_printf(MSG_DEBUG
, "P2P: Frequency conflict - terminate group");
7367 wpas_p2p_group_delete(wpa_s
, P2P_GROUP_REMOVAL_FREQ_CONFLICT
);
7371 int wpas_p2p_handle_frequency_conflicts(struct wpa_supplicant
*wpa_s
, int freq
,
7372 struct wpa_ssid
*ssid
)
7374 struct wpa_supplicant
*iface
;
7376 for (iface
= wpa_s
->global
->ifaces
; iface
; iface
= iface
->next
) {
7377 if (!iface
->current_ssid
||
7378 iface
->current_ssid
->frequency
== freq
||
7379 (iface
->p2p_group_interface
== NOT_P2P_GROUP_INTERFACE
&&
7380 !iface
->current_ssid
->p2p_group
))
7383 /* Remove the connection with least priority */
7384 if (!wpas_is_p2p_prioritized(iface
)) {
7385 /* STA connection has priority over existing
7386 * P2P connection, so remove the interface. */
7387 wpa_printf(MSG_DEBUG
, "P2P: Removing P2P connection due to single channel concurrent mode frequency conflict");
7388 eloop_register_timeout(0, 0,
7389 wpas_p2p_group_freq_conflict
,
7391 /* If connection in progress is P2P connection, do not
7392 * proceed for the connection. */
7398 /* P2P connection has priority, disable the STA network
7400 wpa_supplicant_disable_network(wpa_s
->global
->ifaces
,
7402 wpa_msg(wpa_s
->global
->ifaces
, MSG_INFO
,
7403 WPA_EVENT_FREQ_CONFLICT
" id=%d", ssid
->id
);
7404 os_memset(wpa_s
->global
->ifaces
->pending_bssid
, 0,
7406 /* If P2P connection is in progress, continue
7419 int wpas_p2p_4way_hs_failed(struct wpa_supplicant
*wpa_s
)
7421 struct wpa_ssid
*ssid
= wpa_s
->current_ssid
;
7423 if (ssid
== NULL
|| !ssid
->p2p_group
)
7426 if (wpa_s
->p2p_last_4way_hs_fail
&&
7427 wpa_s
->p2p_last_4way_hs_fail
== ssid
) {
7428 u8 go_dev_addr
[ETH_ALEN
];
7429 struct wpa_ssid
*persistent
;
7431 if (wpas_p2p_persistent_group(wpa_s
, go_dev_addr
,
7433 ssid
->ssid_len
) <= 0) {
7434 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Could not determine whether 4-way handshake failures were for a persistent group");
7438 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Two 4-way handshake failures for a P2P group - go_dev_addr="
7439 MACSTR
, MAC2STR(go_dev_addr
));
7440 persistent
= wpas_p2p_get_persistent(wpa_s
->parent
, go_dev_addr
,
7443 if (persistent
== NULL
|| persistent
->mode
!= WPAS_MODE_INFRA
) {
7444 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: No matching persistent group stored");
7447 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
7448 P2P_EVENT_PERSISTENT_PSK_FAIL
"%d",
7451 wpa_s
->p2p_last_4way_hs_fail
= NULL
;
7453 * Remove the group from a timeout to avoid issues with caller
7454 * continuing to use the interface if this is on a P2P group
7457 eloop_register_timeout(0, 0, wpas_p2p_psk_failure_removal
,
7462 wpa_s
->p2p_last_4way_hs_fail
= ssid
;
7467 #ifdef CONFIG_WPS_NFC
7469 static struct wpabuf
* wpas_p2p_nfc_handover(int ndef
, struct wpabuf
*wsc
,
7477 wpa_printf(MSG_DEBUG
, "P2P: No p2p buffer for handover");
7481 wsc_len
= wsc
? wpabuf_len(wsc
) : 0;
7482 ret
= wpabuf_alloc(2 + wsc_len
+ 2 + wpabuf_len(p2p
));
7489 wpabuf_put_be16(ret
, wsc_len
);
7491 wpabuf_put_buf(ret
, wsc
);
7492 wpabuf_put_be16(ret
, wpabuf_len(p2p
));
7493 wpabuf_put_buf(ret
, p2p
);
7497 wpa_hexdump_buf(MSG_DEBUG
,
7498 "P2P: Generated NFC connection handover message", ret
);
7502 tmp
= ndef_build_p2p(ret
);
7505 wpa_printf(MSG_DEBUG
, "P2P: Failed to NDEF encapsulate handover request");
7515 static int wpas_p2p_cli_freq(struct wpa_supplicant
*wpa_s
,
7516 struct wpa_ssid
**ssid
, u8
*go_dev_addr
)
7518 struct wpa_supplicant
*iface
;
7521 os_memset(go_dev_addr
, 0, ETH_ALEN
);
7524 for (iface
= wpa_s
->global
->ifaces
; iface
; iface
= iface
->next
) {
7525 if (iface
->wpa_state
< WPA_ASSOCIATING
||
7526 iface
->current_ssid
== NULL
|| iface
->assoc_freq
== 0 ||
7527 !iface
->current_ssid
->p2p_group
||
7528 iface
->current_ssid
->mode
!= WPAS_MODE_INFRA
)
7531 *ssid
= iface
->current_ssid
;
7533 os_memcpy(go_dev_addr
, iface
->go_dev_addr
, ETH_ALEN
);
7534 return iface
->assoc_freq
;
7540 struct wpabuf
* wpas_p2p_nfc_handover_req(struct wpa_supplicant
*wpa_s
,
7543 struct wpabuf
*wsc
, *p2p
;
7544 struct wpa_ssid
*ssid
;
7545 u8 go_dev_addr
[ETH_ALEN
];
7546 int cli_freq
= wpas_p2p_cli_freq(wpa_s
, &ssid
, go_dev_addr
);
7548 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
) {
7549 wpa_printf(MSG_DEBUG
, "P2P: P2P disabled - cannot build handover request");
7553 if (wpa_s
->conf
->wps_nfc_dh_pubkey
== NULL
&&
7554 wps_nfc_gen_dh(&wpa_s
->conf
->wps_nfc_dh_pubkey
,
7555 &wpa_s
->conf
->wps_nfc_dh_privkey
) < 0) {
7556 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: No DH key available for handover request");
7560 if (cli_freq
== 0) {
7561 wsc
= wps_build_nfc_handover_req_p2p(
7562 wpa_s
->parent
->wps
, wpa_s
->conf
->wps_nfc_dh_pubkey
);
7565 p2p
= p2p_build_nfc_handover_req(wpa_s
->global
->p2p
, cli_freq
,
7566 go_dev_addr
, ssid
? ssid
->ssid
: NULL
,
7567 ssid
? ssid
->ssid_len
: 0);
7569 return wpas_p2p_nfc_handover(ndef
, wsc
, p2p
);
7573 struct wpabuf
* wpas_p2p_nfc_handover_sel(struct wpa_supplicant
*wpa_s
,
7576 struct wpabuf
*wsc
, *p2p
;
7577 struct wpa_ssid
*ssid
;
7578 u8 go_dev_addr
[ETH_ALEN
];
7579 int cli_freq
= wpas_p2p_cli_freq(wpa_s
, &ssid
, go_dev_addr
);
7581 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
7584 if (!tag
&& wpa_s
->conf
->wps_nfc_dh_pubkey
== NULL
&&
7585 wps_nfc_gen_dh(&wpa_s
->conf
->wps_nfc_dh_pubkey
,
7586 &wpa_s
->conf
->wps_nfc_dh_privkey
) < 0)
7589 if (cli_freq
== 0) {
7590 wsc
= wps_build_nfc_handover_sel_p2p(
7592 tag
? wpa_s
->conf
->wps_nfc_dev_pw_id
:
7593 DEV_PW_NFC_CONNECTION_HANDOVER
,
7594 wpa_s
->conf
->wps_nfc_dh_pubkey
,
7595 tag
? wpa_s
->conf
->wps_nfc_dev_pw
: NULL
);
7598 p2p
= p2p_build_nfc_handover_sel(wpa_s
->global
->p2p
, cli_freq
,
7599 go_dev_addr
, ssid
? ssid
->ssid
: NULL
,
7600 ssid
? ssid
->ssid_len
: 0);
7602 return wpas_p2p_nfc_handover(ndef
, wsc
, p2p
);
7606 static int wpas_p2p_nfc_join_group(struct wpa_supplicant
*wpa_s
,
7607 struct p2p_nfc_params
*params
)
7609 wpa_printf(MSG_DEBUG
, "P2P: Initiate join-group based on NFC "
7610 "connection handover (freq=%d)",
7613 if (params
->go_freq
&& params
->go_ssid_len
) {
7614 wpa_s
->p2p_wps_method
= WPS_NFC
;
7615 wpa_s
->pending_join_wps_method
= WPS_NFC
;
7616 os_memset(wpa_s
->pending_join_iface_addr
, 0, ETH_ALEN
);
7617 os_memcpy(wpa_s
->pending_join_dev_addr
, params
->go_dev_addr
,
7619 return wpas_p2p_join_start(wpa_s
, params
->go_freq
,
7621 params
->go_ssid_len
);
7624 return wpas_p2p_connect(wpa_s
, params
->peer
->p2p_device_addr
, NULL
,
7625 WPS_NFC
, 0, 0, 1, 0, wpa_s
->conf
->p2p_go_intent
,
7626 params
->go_freq
, -1, 0, 1, 1);
7630 static int wpas_p2p_nfc_auth_join(struct wpa_supplicant
*wpa_s
,
7631 struct p2p_nfc_params
*params
, int tag
)
7633 int res
, persistent
;
7634 struct wpa_ssid
*ssid
;
7636 wpa_printf(MSG_DEBUG
, "P2P: Authorize join-group based on NFC "
7637 "connection handover");
7638 for (wpa_s
= wpa_s
->global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
7639 ssid
= wpa_s
->current_ssid
;
7642 if (ssid
->mode
!= WPAS_MODE_P2P_GO
)
7644 if (wpa_s
->ap_iface
== NULL
)
7648 if (wpa_s
== NULL
) {
7649 wpa_printf(MSG_DEBUG
, "P2P: Could not find GO interface");
7653 if (wpa_s
->parent
->p2p_oob_dev_pw_id
!=
7654 DEV_PW_NFC_CONNECTION_HANDOVER
&&
7655 !wpa_s
->parent
->p2p_oob_dev_pw
) {
7656 wpa_printf(MSG_DEBUG
, "P2P: No NFC Dev Pw known");
7659 res
= wpas_ap_wps_add_nfc_pw(
7660 wpa_s
, wpa_s
->parent
->p2p_oob_dev_pw_id
,
7661 wpa_s
->parent
->p2p_oob_dev_pw
,
7662 wpa_s
->parent
->p2p_peer_oob_pk_hash_known
?
7663 wpa_s
->parent
->p2p_peer_oob_pubkey_hash
: NULL
);
7668 wpa_printf(MSG_DEBUG
, "P2P: Negotiated handover - wait for peer to join without invitation");
7672 if (!params
->peer
||
7673 !(params
->peer
->dev_capab
& P2P_DEV_CAPAB_INVITATION_PROCEDURE
))
7676 wpa_printf(MSG_DEBUG
, "P2P: Static handover - invite peer " MACSTR
7677 " to join", MAC2STR(params
->peer
->p2p_device_addr
));
7679 wpa_s
->global
->p2p_invite_group
= wpa_s
;
7680 persistent
= ssid
->p2p_persistent_group
&&
7681 wpas_p2p_get_persistent(wpa_s
->parent
,
7682 params
->peer
->p2p_device_addr
,
7683 ssid
->ssid
, ssid
->ssid_len
);
7684 wpa_s
->parent
->pending_invite_ssid_id
= -1;
7686 return p2p_invite(wpa_s
->global
->p2p
, params
->peer
->p2p_device_addr
,
7687 P2P_INVITE_ROLE_ACTIVE_GO
, wpa_s
->own_addr
,
7688 ssid
->ssid
, ssid
->ssid_len
, ssid
->frequency
,
7689 wpa_s
->global
->p2p_dev_addr
, persistent
, 0,
7690 wpa_s
->parent
->p2p_oob_dev_pw_id
);
7694 static int wpas_p2p_nfc_init_go_neg(struct wpa_supplicant
*wpa_s
,
7695 struct p2p_nfc_params
*params
,
7698 wpa_printf(MSG_DEBUG
, "P2P: Initiate GO Negotiation based on NFC "
7699 "connection handover");
7700 return wpas_p2p_connect(wpa_s
, params
->peer
->p2p_device_addr
, NULL
,
7701 WPS_NFC
, 0, 0, 0, 0, wpa_s
->conf
->p2p_go_intent
,
7702 forced_freq
, -1, 0, 1, 1);
7706 static int wpas_p2p_nfc_resp_go_neg(struct wpa_supplicant
*wpa_s
,
7707 struct p2p_nfc_params
*params
,
7712 wpa_printf(MSG_DEBUG
, "P2P: Authorize GO Negotiation based on NFC "
7713 "connection handover");
7714 res
= wpas_p2p_connect(wpa_s
, params
->peer
->p2p_device_addr
, NULL
,
7715 WPS_NFC
, 0, 0, 0, 1, wpa_s
->conf
->p2p_go_intent
,
7716 forced_freq
, -1, 0, 1, 1);
7720 res
= wpas_p2p_listen(wpa_s
, 60);
7722 p2p_unauthorize(wpa_s
->global
->p2p
,
7723 params
->peer
->p2p_device_addr
);
7730 static int wpas_p2p_nfc_connection_handover(struct wpa_supplicant
*wpa_s
,
7731 const struct wpabuf
*data
,
7732 int sel
, int tag
, int forced_freq
)
7734 const u8
*pos
, *end
;
7736 struct p2p_nfc_params params
;
7739 os_memset(¶ms
, 0, sizeof(params
));
7742 wpa_hexdump_buf(MSG_DEBUG
, "P2P: Received NFC tag payload", data
);
7744 pos
= wpabuf_head(data
);
7745 end
= pos
+ wpabuf_len(data
);
7747 if (end
- pos
< 2) {
7748 wpa_printf(MSG_DEBUG
, "P2P: Not enough data for Length of WSC "
7752 len
= WPA_GET_BE16(pos
);
7754 if (len
> end
- pos
) {
7755 wpa_printf(MSG_DEBUG
, "P2P: Not enough data for WSC "
7759 params
.wsc_attr
= pos
;
7760 params
.wsc_len
= len
;
7763 if (end
- pos
< 2) {
7764 wpa_printf(MSG_DEBUG
, "P2P: Not enough data for Length of P2P "
7768 len
= WPA_GET_BE16(pos
);
7770 if (len
> end
- pos
) {
7771 wpa_printf(MSG_DEBUG
, "P2P: Not enough data for P2P "
7775 params
.p2p_attr
= pos
;
7776 params
.p2p_len
= len
;
7779 wpa_hexdump(MSG_DEBUG
, "P2P: WSC attributes",
7780 params
.wsc_attr
, params
.wsc_len
);
7781 wpa_hexdump(MSG_DEBUG
, "P2P: P2P attributes",
7782 params
.p2p_attr
, params
.p2p_len
);
7784 wpa_hexdump(MSG_DEBUG
,
7785 "P2P: Ignored extra data after P2P attributes",
7789 res
= p2p_process_nfc_connection_handover(wpa_s
->global
->p2p
, ¶ms
);
7793 if (params
.next_step
== NO_ACTION
)
7796 if (params
.next_step
== BOTH_GO
) {
7797 wpa_msg(wpa_s
, MSG_INFO
, P2P_EVENT_NFC_BOTH_GO
"peer=" MACSTR
,
7798 MAC2STR(params
.peer
->p2p_device_addr
));
7802 if (params
.next_step
== PEER_CLIENT
) {
7803 if (!is_zero_ether_addr(params
.go_dev_addr
)) {
7804 wpa_msg(wpa_s
, MSG_INFO
, P2P_EVENT_NFC_PEER_CLIENT
7805 "peer=" MACSTR
" freq=%d go_dev_addr=" MACSTR
7807 MAC2STR(params
.peer
->p2p_device_addr
),
7809 MAC2STR(params
.go_dev_addr
),
7810 wpa_ssid_txt(params
.go_ssid
,
7811 params
.go_ssid_len
));
7813 wpa_msg(wpa_s
, MSG_INFO
, P2P_EVENT_NFC_PEER_CLIENT
7814 "peer=" MACSTR
" freq=%d",
7815 MAC2STR(params
.peer
->p2p_device_addr
),
7821 if (wpas_p2p_cli_freq(wpa_s
, NULL
, NULL
)) {
7822 wpa_msg(wpa_s
, MSG_INFO
, P2P_EVENT_NFC_WHILE_CLIENT
"peer="
7823 MACSTR
, MAC2STR(params
.peer
->p2p_device_addr
));
7827 wpabuf_free(wpa_s
->p2p_oob_dev_pw
);
7828 wpa_s
->p2p_oob_dev_pw
= NULL
;
7830 if (params
.oob_dev_pw_len
< WPS_OOB_PUBKEY_HASH_LEN
+ 2) {
7831 wpa_printf(MSG_DEBUG
, "P2P: No peer OOB Dev Pw "
7836 id
= WPA_GET_BE16(params
.oob_dev_pw
+ WPS_OOB_PUBKEY_HASH_LEN
);
7837 wpa_printf(MSG_DEBUG
, "P2P: Peer OOB Dev Pw %u", id
);
7838 wpa_hexdump(MSG_DEBUG
, "P2P: Peer OOB Public Key hash",
7839 params
.oob_dev_pw
, WPS_OOB_PUBKEY_HASH_LEN
);
7840 os_memcpy(wpa_s
->p2p_peer_oob_pubkey_hash
,
7841 params
.oob_dev_pw
, WPS_OOB_PUBKEY_HASH_LEN
);
7842 wpa_s
->p2p_peer_oob_pk_hash_known
= 1;
7846 wpa_printf(MSG_DEBUG
, "P2P: Static handover - invalid "
7847 "peer OOB Device Password Id %u", id
);
7850 wpa_printf(MSG_DEBUG
, "P2P: Static handover - use peer OOB "
7851 "Device Password Id %u", id
);
7852 wpa_hexdump_key(MSG_DEBUG
, "P2P: Peer OOB Device Password",
7853 params
.oob_dev_pw
+ WPS_OOB_PUBKEY_HASH_LEN
+ 2,
7854 params
.oob_dev_pw_len
-
7855 WPS_OOB_PUBKEY_HASH_LEN
- 2);
7856 wpa_s
->p2p_oob_dev_pw_id
= id
;
7857 wpa_s
->p2p_oob_dev_pw
= wpabuf_alloc_copy(
7858 params
.oob_dev_pw
+ WPS_OOB_PUBKEY_HASH_LEN
+ 2,
7859 params
.oob_dev_pw_len
-
7860 WPS_OOB_PUBKEY_HASH_LEN
- 2);
7861 if (wpa_s
->p2p_oob_dev_pw
== NULL
)
7864 if (wpa_s
->conf
->wps_nfc_dh_pubkey
== NULL
&&
7865 wps_nfc_gen_dh(&wpa_s
->conf
->wps_nfc_dh_pubkey
,
7866 &wpa_s
->conf
->wps_nfc_dh_privkey
) < 0)
7869 wpa_printf(MSG_DEBUG
, "P2P: Using abbreviated WPS handshake "
7870 "without Device Password");
7871 wpa_s
->p2p_oob_dev_pw_id
= DEV_PW_NFC_CONNECTION_HANDOVER
;
7874 switch (params
.next_step
) {
7878 /* already covered above */
7881 return wpas_p2p_nfc_join_group(wpa_s
, ¶ms
);
7883 return wpas_p2p_nfc_auth_join(wpa_s
, ¶ms
, tag
);
7885 return wpas_p2p_nfc_init_go_neg(wpa_s
, ¶ms
, forced_freq
);
7887 /* TODO: use own OOB Dev Pw */
7888 return wpas_p2p_nfc_resp_go_neg(wpa_s
, ¶ms
, forced_freq
);
7895 int wpas_p2p_nfc_tag_process(struct wpa_supplicant
*wpa_s
,
7896 const struct wpabuf
*data
, int forced_freq
)
7898 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
7901 return wpas_p2p_nfc_connection_handover(wpa_s
, data
, 1, 1, forced_freq
);
7905 int wpas_p2p_nfc_report_handover(struct wpa_supplicant
*wpa_s
, int init
,
7906 const struct wpabuf
*req
,
7907 const struct wpabuf
*sel
, int forced_freq
)
7912 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
7915 wpa_printf(MSG_DEBUG
, "NFC: P2P connection handover reported");
7917 wpa_hexdump_ascii(MSG_DEBUG
, "NFC: Req",
7918 wpabuf_head(req
), wpabuf_len(req
));
7919 wpa_hexdump_ascii(MSG_DEBUG
, "NFC: Sel",
7920 wpabuf_head(sel
), wpabuf_len(sel
));
7922 wpa_printf(MSG_DEBUG
, "NFC: Forced freq %d", forced_freq
);
7923 tmp
= ndef_parse_p2p(init
? sel
: req
);
7925 wpa_printf(MSG_DEBUG
, "P2P: Could not parse NDEF");
7929 ret
= wpas_p2p_nfc_connection_handover(wpa_s
, tmp
, init
, 0,
7937 int wpas_p2p_nfc_tag_enabled(struct wpa_supplicant
*wpa_s
, int enabled
)
7940 int go_intent
= wpa_s
->conf
->p2p_go_intent
;
7941 struct wpa_supplicant
*iface
;
7943 if (wpa_s
->global
->p2p
== NULL
)
7947 wpa_printf(MSG_DEBUG
, "P2P: Disable use of own NFC Tag");
7948 for (iface
= wpa_s
->global
->ifaces
; iface
; iface
= iface
->next
)
7950 if (!iface
->ap_iface
)
7952 hostapd_wps_nfc_token_disable(iface
->ap_iface
->bss
[0]);
7954 p2p_set_authorized_oob_dev_pw_id(wpa_s
->global
->p2p
, 0,
7956 if (wpa_s
->p2p_nfc_tag_enabled
)
7957 wpas_p2p_remove_pending_group_interface(wpa_s
);
7958 wpa_s
->p2p_nfc_tag_enabled
= 0;
7962 if (wpa_s
->global
->p2p_disabled
)
7965 if (wpa_s
->conf
->wps_nfc_dh_pubkey
== NULL
||
7966 wpa_s
->conf
->wps_nfc_dh_privkey
== NULL
||
7967 wpa_s
->conf
->wps_nfc_dev_pw
== NULL
||
7968 wpa_s
->conf
->wps_nfc_dev_pw_id
< 0x10) {
7969 wpa_printf(MSG_DEBUG
, "P2P: NFC password token not configured "
7970 "to allow static handover cases");
7974 wpa_printf(MSG_DEBUG
, "P2P: Enable use of own NFC Tag");
7976 wpa_s
->p2p_oob_dev_pw_id
= wpa_s
->conf
->wps_nfc_dev_pw_id
;
7977 wpabuf_free(wpa_s
->p2p_oob_dev_pw
);
7978 wpa_s
->p2p_oob_dev_pw
= wpabuf_dup(wpa_s
->conf
->wps_nfc_dev_pw
);
7979 if (wpa_s
->p2p_oob_dev_pw
== NULL
)
7981 wpa_s
->p2p_peer_oob_pk_hash_known
= 0;
7983 if (wpa_s
->p2p_group_interface
== P2P_GROUP_INTERFACE_GO
||
7984 wpa_s
->p2p_group_interface
== P2P_GROUP_INTERFACE_CLIENT
) {
7986 * P2P Group Interface present and the command came on group
7987 * interface, so enable the token for the current interface.
7989 wpa_s
->create_p2p_iface
= 0;
7991 wpa_s
->create_p2p_iface
= wpas_p2p_create_iface(wpa_s
);
7994 if (wpa_s
->create_p2p_iface
) {
7995 enum wpa_driver_if_type iftype
;
7996 /* Prepare to add a new interface for the group */
7997 iftype
= WPA_IF_P2P_GROUP
;
7998 if (go_intent
== 15)
7999 iftype
= WPA_IF_P2P_GO
;
8000 if (wpas_p2p_add_group_interface(wpa_s
, iftype
) < 0) {
8001 wpa_printf(MSG_ERROR
, "P2P: Failed to allocate a new "
8002 "interface for the group");
8006 if_addr
= wpa_s
->pending_interface_addr
;
8008 if_addr
= wpa_s
->own_addr
;
8010 wpa_s
->p2p_nfc_tag_enabled
= enabled
;
8012 for (iface
= wpa_s
->global
->ifaces
; iface
; iface
= iface
->next
) {
8013 struct hostapd_data
*hapd
;
8014 if (iface
->ap_iface
== NULL
)
8016 hapd
= iface
->ap_iface
->bss
[0];
8017 wpabuf_free(hapd
->conf
->wps_nfc_dh_pubkey
);
8018 hapd
->conf
->wps_nfc_dh_pubkey
=
8019 wpabuf_dup(wpa_s
->conf
->wps_nfc_dh_pubkey
);
8020 wpabuf_free(hapd
->conf
->wps_nfc_dh_privkey
);
8021 hapd
->conf
->wps_nfc_dh_privkey
=
8022 wpabuf_dup(wpa_s
->conf
->wps_nfc_dh_privkey
);
8023 wpabuf_free(hapd
->conf
->wps_nfc_dev_pw
);
8024 hapd
->conf
->wps_nfc_dev_pw
=
8025 wpabuf_dup(wpa_s
->conf
->wps_nfc_dev_pw
);
8026 hapd
->conf
->wps_nfc_dev_pw_id
= wpa_s
->conf
->wps_nfc_dev_pw_id
;
8028 if (hostapd_wps_nfc_token_enable(iface
->ap_iface
->bss
[0]) < 0) {
8029 wpa_dbg(iface
, MSG_DEBUG
,
8030 "P2P: Failed to enable NFC Tag for GO");
8033 p2p_set_authorized_oob_dev_pw_id(
8034 wpa_s
->global
->p2p
, wpa_s
->conf
->wps_nfc_dev_pw_id
, go_intent
,
8040 #endif /* CONFIG_WPS_NFC */
8043 static void wpas_p2p_optimize_listen_channel(struct wpa_supplicant
*wpa_s
,
8044 struct wpa_used_freq_data
*freqs
,
8047 u8 curr_chan
, cand
, chan
;
8050 curr_chan
= p2p_get_listen_channel(wpa_s
->global
->p2p
);
8051 for (i
= 0, cand
= 0; i
< num
; i
++) {
8052 ieee80211_freq_to_chan(freqs
[i
].freq
, &chan
);
8053 if (curr_chan
== chan
) {
8058 if (chan
== 1 || chan
== 6 || chan
== 11)
8063 wpa_dbg(wpa_s
, MSG_DEBUG
,
8064 "P2P: Update Listen channel to %u based on operating channel",
8066 p2p_set_listen_channel(wpa_s
->global
->p2p
, 81, cand
, 0);
8071 void wpas_p2p_indicate_state_change(struct wpa_supplicant
*wpa_s
)
8073 struct wpa_used_freq_data
*freqs
;
8074 unsigned int num
= wpa_s
->num_multichan_concurrent
;
8076 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
8080 * If possible, optimize the Listen channel to be a channel that is
8081 * already used by one of the other interfaces.
8083 if (!wpa_s
->conf
->p2p_optimize_listen_chan
)
8086 if (!wpa_s
->current_ssid
|| wpa_s
->wpa_state
!= WPA_COMPLETED
)
8089 freqs
= os_calloc(num
, sizeof(struct wpa_used_freq_data
));
8093 num
= get_shared_radio_freqs_data(wpa_s
, freqs
, num
);
8095 wpas_p2p_optimize_listen_channel(wpa_s
, freqs
, num
);
8100 void wpas_p2p_deinit_iface(struct wpa_supplicant
*wpa_s
)
8102 if (wpa_s
== wpa_s
->global
->p2p_init_wpa_s
&& wpa_s
->global
->p2p
) {
8103 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Disable P2P since removing "
8104 "the management interface is being removed");
8105 wpas_p2p_deinit_global(wpa_s
->global
);
8110 void wpas_p2p_ap_deinit(struct wpa_supplicant
*wpa_s
)
8112 if (wpa_s
->ap_iface
->bss
)
8113 wpa_s
->ap_iface
->bss
[0]->p2p_group
= NULL
;
8114 wpas_p2p_group_deinit(wpa_s
);