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
);
129 static void wpas_p2p_group_formation_failed(struct wpa_supplicant
*wpa_s
,
130 int already_deleted
);
134 * Get the number of concurrent channels that the HW can operate, but that are
135 * currently not in use by any of the wpa_supplicant interfaces.
137 static int wpas_p2p_num_unused_channels(struct wpa_supplicant
*wpa_s
)
142 freqs
= os_calloc(wpa_s
->num_multichan_concurrent
, sizeof(int));
146 num
= get_shared_radio_freqs(wpa_s
, freqs
,
147 wpa_s
->num_multichan_concurrent
);
150 unused
= wpa_s
->num_multichan_concurrent
- num
;
151 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: num_unused_channels: %d", unused
);
157 * Get the frequencies that are currently in use by one or more of the virtual
158 * interfaces, and that are also valid for P2P operation.
161 wpas_p2p_valid_oper_freqs(struct wpa_supplicant
*wpa_s
,
162 struct wpa_used_freq_data
*p2p_freqs
,
165 struct wpa_used_freq_data
*freqs
;
166 unsigned int num
, i
, j
;
168 freqs
= os_calloc(wpa_s
->num_multichan_concurrent
,
169 sizeof(struct wpa_used_freq_data
));
173 num
= get_shared_radio_freqs_data(wpa_s
, freqs
,
174 wpa_s
->num_multichan_concurrent
);
176 os_memset(p2p_freqs
, 0, sizeof(struct wpa_used_freq_data
) * len
);
178 for (i
= 0, j
= 0; i
< num
&& j
< len
; i
++) {
179 if (p2p_supported_freq(wpa_s
->global
->p2p
, freqs
[i
].freq
))
180 p2p_freqs
[j
++] = freqs
[i
];
185 dump_freq_data(wpa_s
, "valid for P2P", p2p_freqs
, j
);
191 static void wpas_p2p_set_own_freq_preference(struct wpa_supplicant
*wpa_s
,
194 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
197 /* Use the wpa_s used to control the P2P Device operation */
198 wpa_s
= wpa_s
->global
->p2p_init_wpa_s
;
200 if (wpa_s
->conf
->p2p_ignore_shared_freq
&&
201 freq
> 0 && wpa_s
->num_multichan_concurrent
> 1 &&
202 wpas_p2p_num_unused_channels(wpa_s
) > 0) {
203 wpa_printf(MSG_DEBUG
, "P2P: Ignore own channel preference %d MHz due to p2p_ignore_shared_freq=1 configuration",
207 p2p_set_own_freq_preference(wpa_s
->global
->p2p
, freq
);
211 static void wpas_p2p_scan_res_handler(struct wpa_supplicant
*wpa_s
,
212 struct wpa_scan_results
*scan_res
)
216 if (wpa_s
->p2p_scan_work
) {
217 struct wpa_radio_work
*work
= wpa_s
->p2p_scan_work
;
218 wpa_s
->p2p_scan_work
= NULL
;
219 radio_work_done(work
);
222 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
225 wpa_printf(MSG_DEBUG
, "P2P: Scan results received (%d BSS)",
226 (int) scan_res
->num
);
228 for (i
= 0; i
< scan_res
->num
; i
++) {
229 struct wpa_scan_res
*bss
= scan_res
->res
[i
];
230 struct os_reltime time_tmp_age
, entry_ts
;
234 time_tmp_age
.sec
= bss
->age
/ 1000;
235 time_tmp_age
.usec
= (bss
->age
% 1000) * 1000;
236 os_reltime_sub(&scan_res
->fetch_time
, &time_tmp_age
, &entry_ts
);
238 ies
= (const u8
*) (bss
+ 1);
239 ies_len
= bss
->ie_len
;
240 if (bss
->beacon_ie_len
> 0 &&
241 !wpa_scan_get_vendor_ie(bss
, P2P_IE_VENDOR_TYPE
) &&
242 wpa_scan_get_vendor_ie_beacon(bss
, P2P_IE_VENDOR_TYPE
)) {
243 wpa_printf(MSG_DEBUG
, "P2P: Use P2P IE(s) from Beacon frame since no P2P IE(s) in Probe Response frames received for "
244 MACSTR
, MAC2STR(bss
->bssid
));
246 ies_len
= bss
->beacon_ie_len
;
250 if (p2p_scan_res_handler(wpa_s
->global
->p2p
, bss
->bssid
,
251 bss
->freq
, &entry_ts
, bss
->level
,
256 p2p_scan_res_handled(wpa_s
->global
->p2p
);
260 static void wpas_p2p_trigger_scan_cb(struct wpa_radio_work
*work
, int deinit
)
262 struct wpa_supplicant
*wpa_s
= work
->wpa_s
;
263 struct wpa_driver_scan_params
*params
= work
->ctx
;
267 if (!work
->started
) {
268 wpa_scan_free_params(params
);
272 wpa_s
->p2p_scan_work
= NULL
;
276 ret
= wpa_drv_scan(wpa_s
, params
);
277 wpa_scan_free_params(params
);
280 radio_work_done(work
);
281 p2p_notify_scan_trigger_status(wpa_s
->global
->p2p
, ret
);
285 p2p_notify_scan_trigger_status(wpa_s
->global
->p2p
, ret
);
286 os_get_reltime(&wpa_s
->scan_trigger_time
);
287 wpa_s
->scan_res_handler
= wpas_p2p_scan_res_handler
;
288 wpa_s
->own_scan_requested
= 1;
289 wpa_s
->p2p_scan_work
= work
;
293 static int wpas_p2p_search_social_channel(struct wpa_supplicant
*wpa_s
,
296 if (wpa_s
->global
->p2p_24ghz_social_channels
&&
297 (freq
== 2412 || freq
== 2437 || freq
== 2462)) {
299 * Search all social channels regardless of whether these have
300 * been disabled for P2P operating channel use to avoid missing
305 return p2p_supported_freq(wpa_s
->global
->p2p
, freq
);
309 static int wpas_p2p_scan(void *ctx
, enum p2p_scan_type type
, int freq
,
310 unsigned int num_req_dev_types
,
311 const u8
*req_dev_types
, const u8
*dev_id
, u16 pw_id
)
313 struct wpa_supplicant
*wpa_s
= ctx
;
314 struct wpa_driver_scan_params
*params
= NULL
;
315 struct wpabuf
*wps_ie
, *ies
;
316 unsigned int num_channels
= 0;
317 int social_channels_freq
[] = { 2412, 2437, 2462, 60480 };
321 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
324 if (wpa_s
->p2p_scan_work
) {
325 wpa_dbg(wpa_s
, MSG_INFO
, "P2P: Reject scan trigger since one is already pending");
329 params
= os_zalloc(sizeof(*params
));
333 /* P2P Wildcard SSID */
334 params
->num_ssids
= 1;
335 n
= os_malloc(P2P_WILDCARD_SSID_LEN
);
338 os_memcpy(n
, P2P_WILDCARD_SSID
, P2P_WILDCARD_SSID_LEN
);
339 params
->ssids
[0].ssid
= n
;
340 params
->ssids
[0].ssid_len
= P2P_WILDCARD_SSID_LEN
;
342 wpa_s
->wps
->dev
.p2p
= 1;
343 wps_ie
= wps_build_probe_req_ie(pw_id
, &wpa_s
->wps
->dev
,
344 wpa_s
->wps
->uuid
, WPS_REQ_ENROLLEE
,
345 num_req_dev_types
, req_dev_types
);
349 ielen
= p2p_scan_ie_buf_len(wpa_s
->global
->p2p
);
350 ies
= wpabuf_alloc(wpabuf_len(wps_ie
) + ielen
);
355 wpabuf_put_buf(ies
, wps_ie
);
358 p2p_scan_ie(wpa_s
->global
->p2p
, ies
, dev_id
);
360 params
->p2p_probe
= 1;
361 n
= os_malloc(wpabuf_len(ies
));
366 os_memcpy(n
, wpabuf_head(ies
), wpabuf_len(ies
));
367 params
->extra_ies
= n
;
368 params
->extra_ies_len
= wpabuf_len(ies
);
372 case P2P_SCAN_SOCIAL
:
373 params
->freqs
= os_calloc(ARRAY_SIZE(social_channels_freq
) + 1,
375 if (params
->freqs
== NULL
)
377 for (i
= 0; i
< ARRAY_SIZE(social_channels_freq
); i
++) {
378 if (wpas_p2p_search_social_channel(
379 wpa_s
, social_channels_freq
[i
]))
380 params
->freqs
[num_channels
++] =
381 social_channels_freq
[i
];
383 params
->freqs
[num_channels
++] = 0;
387 case P2P_SCAN_SPECIFIC
:
388 params
->freqs
= os_calloc(2, sizeof(int));
389 if (params
->freqs
== NULL
)
391 params
->freqs
[0] = freq
;
392 params
->freqs
[1] = 0;
394 case P2P_SCAN_SOCIAL_PLUS_ONE
:
395 params
->freqs
= os_calloc(ARRAY_SIZE(social_channels_freq
) + 2,
397 if (params
->freqs
== NULL
)
399 for (i
= 0; i
< ARRAY_SIZE(social_channels_freq
); i
++) {
400 if (wpas_p2p_search_social_channel(
401 wpa_s
, social_channels_freq
[i
]))
402 params
->freqs
[num_channels
++] =
403 social_channels_freq
[i
];
405 if (p2p_supported_freq(wpa_s
->global
->p2p
, freq
))
406 params
->freqs
[num_channels
++] = freq
;
407 params
->freqs
[num_channels
++] = 0;
411 radio_remove_works(wpa_s
, "p2p-scan", 0);
412 if (radio_add_work(wpa_s
, 0, "p2p-scan", 0, wpas_p2p_trigger_scan_cb
,
418 wpa_scan_free_params(params
);
423 static enum wpa_driver_if_type
wpas_p2p_if_type(int p2p_group_interface
)
425 switch (p2p_group_interface
) {
426 case P2P_GROUP_INTERFACE_PENDING
:
427 return WPA_IF_P2P_GROUP
;
428 case P2P_GROUP_INTERFACE_GO
:
429 return WPA_IF_P2P_GO
;
430 case P2P_GROUP_INTERFACE_CLIENT
:
431 return WPA_IF_P2P_CLIENT
;
434 return WPA_IF_P2P_GROUP
;
438 static struct wpa_supplicant
* wpas_get_p2p_group(struct wpa_supplicant
*wpa_s
,
440 size_t ssid_len
, int *go
)
444 for (wpa_s
= wpa_s
->global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
445 for (s
= wpa_s
->conf
->ssid
; s
; s
= s
->next
) {
446 if (s
->disabled
!= 0 || !s
->p2p_group
||
447 s
->ssid_len
!= ssid_len
||
448 os_memcmp(ssid
, s
->ssid
, ssid_len
) != 0)
450 if (s
->mode
== WPAS_MODE_P2P_GO
&&
451 s
!= wpa_s
->current_ssid
)
454 *go
= s
->mode
== WPAS_MODE_P2P_GO
;
463 static void run_wpas_p2p_disconnect(void *eloop_ctx
, void *timeout_ctx
)
465 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
466 wpa_printf(MSG_DEBUG
,
467 "P2P: Complete previously requested removal of %s",
469 wpas_p2p_disconnect(wpa_s
);
473 static int wpas_p2p_disconnect_safely(struct wpa_supplicant
*wpa_s
,
474 struct wpa_supplicant
*calling_wpa_s
)
476 if (calling_wpa_s
== wpa_s
&& wpa_s
&&
477 wpa_s
->p2p_group_interface
!= NOT_P2P_GROUP_INTERFACE
) {
479 * The calling wpa_s instance is going to be removed. Do that
480 * from an eloop callback to keep the instance available until
481 * the caller has returned. This my be needed, e.g., to provide
482 * control interface responses on the per-interface socket.
484 if (eloop_register_timeout(0, 0, run_wpas_p2p_disconnect
,
490 return wpas_p2p_disconnect(wpa_s
);
494 /* Determine total number of clients in active groups where we are the GO */
495 static unsigned int p2p_group_go_member_count(struct wpa_supplicant
*wpa_s
)
497 unsigned int count
= 0;
500 for (wpa_s
= wpa_s
->global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
501 for (s
= wpa_s
->conf
->ssid
; s
; s
= s
->next
) {
502 wpa_printf(MSG_DEBUG
,
503 "P2P: sup:%p ssid:%p disabled:%d p2p:%d mode:%d",
504 wpa_s
, s
, s
->disabled
, s
->p2p_group
,
506 if (!s
->disabled
&& s
->p2p_group
&&
507 s
->mode
== WPAS_MODE_P2P_GO
) {
508 count
+= p2p_get_group_num_members(
518 /* Find an interface for a P2P group where we are the GO */
519 static struct wpa_supplicant
*
520 wpas_p2p_get_go_group(struct wpa_supplicant
*wpa_s
)
522 struct wpa_supplicant
*save
= NULL
;
528 for (wpa_s
= wpa_s
->global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
529 for (s
= wpa_s
->conf
->ssid
; s
; s
= s
->next
) {
530 if (s
->disabled
|| !s
->p2p_group
||
531 s
->mode
!= WPAS_MODE_P2P_GO
)
534 /* Prefer a group with connected clients */
535 if (p2p_get_group_num_members(wpa_s
->p2p_group
))
541 /* No group with connected clients, so pick the one without (if any) */
546 /* Find an active P2P group where we are the GO */
547 static struct wpa_ssid
* wpas_p2p_group_go_ssid(struct wpa_supplicant
*wpa_s
,
550 struct wpa_ssid
*s
, *empty
= NULL
;
555 for (wpa_s
= wpa_s
->global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
556 for (s
= wpa_s
->conf
->ssid
; s
; s
= s
->next
) {
557 if (s
->disabled
|| !s
->p2p_group
||
558 s
->mode
!= WPAS_MODE_P2P_GO
)
561 os_memcpy(bssid
, wpa_s
->own_addr
, ETH_ALEN
);
562 if (p2p_get_group_num_members(wpa_s
->p2p_group
))
572 /* Find a persistent group where we are the GO */
573 static struct wpa_ssid
*
574 wpas_p2p_get_persistent_go(struct wpa_supplicant
*wpa_s
)
578 for (s
= wpa_s
->conf
->ssid
; s
; s
= s
->next
) {
579 if (s
->disabled
== 2 && s
->mode
== WPAS_MODE_P2P_GO
)
587 static u8
p2ps_group_capability(void *ctx
, u8 incoming
, u8 role
)
589 struct wpa_supplicant
*wpa_s
= ctx
, *tmp_wpa_s
;
591 u8 conncap
= P2PS_SETUP_NONE
;
592 unsigned int owned_members
= 0;
593 unsigned int owner
= 0;
594 unsigned int client
= 0;
595 struct wpa_supplicant
*go_wpa_s
;
596 struct wpa_ssid
*persistent_go
;
597 int p2p_no_group_iface
;
599 wpa_printf(MSG_DEBUG
, "P2P: Conncap - in:%d role:%d", incoming
, role
);
602 * For non-concurrent capable devices:
603 * If persistent_go, then no new.
604 * If GO, then no client.
605 * If client, then no GO.
607 go_wpa_s
= wpas_p2p_get_go_group(wpa_s
);
608 persistent_go
= wpas_p2p_get_persistent_go(wpa_s
);
609 p2p_no_group_iface
= !wpas_p2p_create_iface(wpa_s
);
611 wpa_printf(MSG_DEBUG
, "P2P: GO(iface)=%p persistent(ssid)=%p",
612 go_wpa_s
, persistent_go
);
614 for (tmp_wpa_s
= wpa_s
->global
->ifaces
; tmp_wpa_s
;
615 tmp_wpa_s
= tmp_wpa_s
->next
) {
616 for (s
= tmp_wpa_s
->conf
->ssid
; s
; s
= s
->next
) {
617 wpa_printf(MSG_DEBUG
,
618 "P2P: sup:%p ssid:%p disabled:%d p2p:%d mode:%d",
619 tmp_wpa_s
, s
, s
->disabled
,
620 s
->p2p_group
, s
->mode
);
621 if (!s
->disabled
&& s
->p2p_group
) {
622 if (s
->mode
== WPAS_MODE_P2P_GO
) {
624 p2p_get_group_num_members(
625 tmp_wpa_s
->p2p_group
);
633 /* If not concurrent, restrict our choices */
634 if (p2p_no_group_iface
) {
635 wpa_printf(MSG_DEBUG
, "P2P: p2p_no_group_iface");
638 return P2PS_SETUP_NONE
;
641 if (role
== P2PS_SETUP_CLIENT
||
642 incoming
== P2PS_SETUP_GROUP_OWNER
||
643 p2p_client_limit_reached(go_wpa_s
->p2p_group
))
644 return P2PS_SETUP_NONE
;
646 return P2PS_SETUP_GROUP_OWNER
;
650 if (role
== P2PS_SETUP_NONE
|| role
== P2PS_SETUP_NEW
) {
652 return P2PS_SETUP_GROUP_OWNER
|
654 if (incoming
== P2PS_SETUP_NEW
) {
657 if (os_get_random(&r
, sizeof(r
)) < 0 ||
659 return P2PS_SETUP_CLIENT
;
660 return P2PS_SETUP_GROUP_OWNER
;
666 /* If a required role has been specified, handle it here */
667 if (role
&& role
!= P2PS_SETUP_NEW
) {
669 case P2PS_SETUP_NONE
:
671 case P2PS_SETUP_GROUP_OWNER
| P2PS_SETUP_CLIENT
:
672 case P2PS_SETUP_GROUP_OWNER
| P2PS_SETUP_NEW
:
676 case P2PS_SETUP_GROUP_OWNER
:
678 * Must be a complimentary role - cannot be a client to
679 * more than one peer.
681 if (incoming
== role
|| client
)
682 return P2PS_SETUP_NONE
;
684 return P2PS_SETUP_CLIENT
;
686 case P2PS_SETUP_CLIENT
:
687 /* Must be a complimentary role */
688 if (incoming
!= role
) {
689 conncap
= P2PS_SETUP_GROUP_OWNER
;
694 return P2PS_SETUP_NONE
;
699 * For now, we only will support ownership of one group, and being a
700 * client of one group. Therefore, if we have either an existing GO
701 * group, or an existing client group, we will not do a new GO
702 * negotiation, but rather try to re-use the existing groups.
705 case P2PS_SETUP_NONE
:
708 conncap
= P2PS_SETUP_GROUP_OWNER
;
709 else if (!owned_members
)
710 conncap
= P2PS_SETUP_NEW
;
711 else if (incoming
== P2PS_SETUP_NONE
)
712 conncap
= P2PS_SETUP_GROUP_OWNER
| P2PS_SETUP_CLIENT
;
714 conncap
= P2PS_SETUP_CLIENT
;
717 case P2PS_SETUP_CLIENT
:
718 conncap
= P2PS_SETUP_GROUP_OWNER
;
721 case P2PS_SETUP_GROUP_OWNER
:
723 conncap
= P2PS_SETUP_CLIENT
;
726 case P2PS_SETUP_GROUP_OWNER
| P2PS_SETUP_NEW
:
727 case P2PS_SETUP_GROUP_OWNER
| P2PS_SETUP_CLIENT
:
729 conncap
= P2PS_SETUP_GROUP_OWNER
;
733 if (os_get_random(&r
, sizeof(r
)) < 0 ||
735 conncap
= P2PS_SETUP_CLIENT
;
737 conncap
= P2PS_SETUP_GROUP_OWNER
;
742 return P2PS_SETUP_NONE
;
746 if ((conncap
& P2PS_SETUP_GROUP_OWNER
) ||
747 (!incoming
&& (conncap
& P2PS_SETUP_NEW
))) {
748 if (go_wpa_s
&& p2p_client_limit_reached(go_wpa_s
->p2p_group
))
749 conncap
&= ~P2PS_SETUP_GROUP_OWNER
;
750 wpa_printf(MSG_DEBUG
, "P2P: GOs:%d members:%d conncap:%d",
751 owner
, owned_members
, conncap
);
753 s
= wpas_p2p_get_persistent_go(wpa_s
);
755 if (!s
&& !owner
&& p2p_no_group_iface
) {
756 p2p_set_intended_addr(wpa_s
->global
->p2p
,
758 } else if (!s
&& !owner
) {
759 if (wpas_p2p_add_group_interface(wpa_s
,
760 WPA_IF_P2P_GO
) < 0) {
761 wpa_printf(MSG_ERROR
,
762 "P2P: Failed to allocate a new interface for the group");
763 return P2PS_SETUP_NONE
;
765 wpa_s
->global
->pending_group_iface_for_p2ps
= 1;
766 p2p_set_intended_addr(wpa_s
->global
->p2p
,
767 wpa_s
->pending_interface_addr
);
775 static int wpas_p2p_group_delete(struct wpa_supplicant
*wpa_s
,
776 enum p2p_group_removal_reason removal_reason
)
778 struct wpa_ssid
*ssid
;
782 ssid
= wpa_s
->current_ssid
;
785 * The current SSID was not known, but there may still be a
786 * pending P2P group interface waiting for provisioning or a
787 * P2P group that is trying to reconnect.
789 ssid
= wpa_s
->conf
->ssid
;
791 if (ssid
->p2p_group
&& ssid
->disabled
!= 2)
796 wpa_s
->p2p_group_interface
== NOT_P2P_GROUP_INTERFACE
)
798 wpa_printf(MSG_ERROR
, "P2P: P2P group interface "
803 if (wpa_s
->p2p_group_interface
== P2P_GROUP_INTERFACE_GO
)
805 else if (wpa_s
->p2p_group_interface
== P2P_GROUP_INTERFACE_CLIENT
||
806 (ssid
&& ssid
->mode
== WPAS_MODE_INFRA
)) {
807 wpa_s
->reassociate
= 0;
808 wpa_s
->disconnected
= 1;
813 if (removal_reason
!= P2P_GROUP_REMOVAL_SILENT
&& ssid
)
814 wpas_notify_p2p_group_removed(wpa_s
, ssid
, gtype
);
816 if (os_strcmp(gtype
, "client") == 0) {
817 wpa_supplicant_deauthenticate(wpa_s
, WLAN_REASON_DEAUTH_LEAVING
);
818 if (eloop_is_timeout_registered(wpas_p2p_psk_failure_removal
,
820 wpa_printf(MSG_DEBUG
,
821 "P2P: PSK failure removal was scheduled, so use PSK failure as reason for group removal");
822 removal_reason
= P2P_GROUP_REMOVAL_PSK_FAILURE
;
823 eloop_cancel_timeout(wpas_p2p_psk_failure_removal
,
828 if (wpa_s
->cross_connect_in_use
) {
829 wpa_s
->cross_connect_in_use
= 0;
830 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
831 P2P_EVENT_CROSS_CONNECT_DISABLE
"%s %s",
832 wpa_s
->ifname
, wpa_s
->cross_connect_uplink
);
834 switch (removal_reason
) {
835 case P2P_GROUP_REMOVAL_REQUESTED
:
836 reason
= " reason=REQUESTED";
838 case P2P_GROUP_REMOVAL_FORMATION_FAILED
:
839 reason
= " reason=FORMATION_FAILED";
841 case P2P_GROUP_REMOVAL_IDLE_TIMEOUT
:
842 reason
= " reason=IDLE";
844 case P2P_GROUP_REMOVAL_UNAVAILABLE
:
845 reason
= " reason=UNAVAILABLE";
847 case P2P_GROUP_REMOVAL_GO_ENDING_SESSION
:
848 reason
= " reason=GO_ENDING_SESSION";
850 case P2P_GROUP_REMOVAL_PSK_FAILURE
:
851 reason
= " reason=PSK_FAILURE";
853 case P2P_GROUP_REMOVAL_FREQ_CONFLICT
:
854 reason
= " reason=FREQ_CONFLICT";
860 if (removal_reason
!= P2P_GROUP_REMOVAL_SILENT
) {
861 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
862 P2P_EVENT_GROUP_REMOVED
"%s %s%s",
863 wpa_s
->ifname
, gtype
, reason
);
866 if (eloop_cancel_timeout(wpas_p2p_group_freq_conflict
, wpa_s
, NULL
) > 0)
867 wpa_printf(MSG_DEBUG
, "P2P: Cancelled P2P group freq_conflict timeout");
868 if (eloop_cancel_timeout(wpas_p2p_group_idle_timeout
, wpa_s
, NULL
) > 0)
869 wpa_printf(MSG_DEBUG
, "P2P: Cancelled P2P group idle timeout");
870 if (eloop_cancel_timeout(wpas_p2p_group_formation_timeout
,
871 wpa_s
->parent
, NULL
) > 0) {
872 wpa_printf(MSG_DEBUG
, "P2P: Cancelled P2P group formation "
874 wpa_s
->p2p_in_provisioning
= 0;
877 wpa_s
->p2p_in_invitation
= 0;
880 * Make sure wait for the first client does not remain active after the
881 * group has been removed.
883 wpa_s
->global
->p2p_go_wait_client
.sec
= 0;
885 if (wpa_s
->p2p_group_interface
!= NOT_P2P_GROUP_INTERFACE
) {
886 struct wpa_global
*global
;
888 enum wpa_driver_if_type type
;
889 wpa_printf(MSG_DEBUG
, "P2P: Remove group interface %s",
891 global
= wpa_s
->global
;
892 ifname
= os_strdup(wpa_s
->ifname
);
893 type
= wpas_p2p_if_type(wpa_s
->p2p_group_interface
);
894 eloop_cancel_timeout(run_wpas_p2p_disconnect
, wpa_s
, NULL
);
895 wpa_supplicant_remove_iface(wpa_s
->global
, wpa_s
, 0);
896 wpa_s
= global
->ifaces
;
898 wpa_drv_if_remove(wpa_s
, type
, ifname
);
903 if (!wpa_s
->p2p_go_group_formation_completed
) {
904 wpa_s
->global
->p2p_group_formation
= NULL
;
905 wpa_s
->p2p_in_provisioning
= 0;
908 wpa_s
->show_group_started
= 0;
909 os_free(wpa_s
->go_params
);
910 wpa_s
->go_params
= NULL
;
912 os_free(wpa_s
->p2p_group_common_freqs
);
913 wpa_s
->p2p_group_common_freqs
= NULL
;
914 wpa_s
->p2p_group_common_freqs_num
= 0;
916 wpa_s
->waiting_presence_resp
= 0;
918 wpa_printf(MSG_DEBUG
, "P2P: Remove temporary group network");
919 if (ssid
&& (ssid
->p2p_group
||
920 ssid
->mode
== WPAS_MODE_P2P_GROUP_FORMATION
||
921 (ssid
->key_mgmt
& WPA_KEY_MGMT_WPS
))) {
923 if (ssid
== wpa_s
->current_ssid
) {
924 wpa_sm_set_config(wpa_s
->wpa
, NULL
);
925 eapol_sm_notify_config(wpa_s
->eapol
, NULL
, NULL
);
926 wpa_s
->current_ssid
= NULL
;
929 * Networks objects created during any P2P activities are not
930 * exposed out as they might/will confuse certain non-P2P aware
931 * applications since these network objects won't behave like
934 * Likewise, we don't send out network removed signals for such
937 wpa_config_remove_network(wpa_s
->conf
, id
);
938 wpa_supplicant_clear_status(wpa_s
);
939 wpa_supplicant_cancel_sched_scan(wpa_s
);
941 wpa_printf(MSG_DEBUG
, "P2P: Temporary group network not "
945 wpa_supplicant_ap_deinit(wpa_s
);
947 wpa_drv_deinit_p2p_cli(wpa_s
);
953 static int wpas_p2p_persistent_group(struct wpa_supplicant
*wpa_s
,
955 const u8
*ssid
, size_t ssid_len
)
963 if (wpa_s
->go_params
)
964 bssid
= wpa_s
->go_params
->peer_interface_addr
;
966 bssid
= wpa_s
->bssid
;
968 bss
= wpa_bss_get(wpa_s
, bssid
, ssid
, ssid_len
);
969 if (bss
== NULL
&& wpa_s
->go_params
&&
970 !is_zero_ether_addr(wpa_s
->go_params
->peer_device_addr
))
971 bss
= wpa_bss_get_p2p_dev_addr(
972 wpa_s
, wpa_s
->go_params
->peer_device_addr
);
974 u8 iface_addr
[ETH_ALEN
];
975 if (p2p_get_interface_addr(wpa_s
->global
->p2p
, bssid
,
977 bss
= wpa_bss_get(wpa_s
, iface_addr
, ssid
, ssid_len
);
980 wpa_printf(MSG_DEBUG
, "P2P: Could not figure out whether "
981 "group is persistent - BSS " MACSTR
" not found",
986 p2p
= wpa_bss_get_vendor_ie_multi(bss
, P2P_IE_VENDOR_TYPE
);
988 p2p
= wpa_bss_get_vendor_ie_multi_beacon(bss
,
991 wpa_printf(MSG_DEBUG
, "P2P: Could not figure out whether "
992 "group is persistent - BSS " MACSTR
993 " did not include P2P IE", MAC2STR(bssid
));
994 wpa_hexdump(MSG_DEBUG
, "P2P: Probe Response IEs",
995 (u8
*) (bss
+ 1), bss
->ie_len
);
996 wpa_hexdump(MSG_DEBUG
, "P2P: Beacon IEs",
997 ((u8
*) bss
+ 1) + bss
->ie_len
,
1002 group_capab
= p2p_get_group_capab(p2p
);
1003 addr
= p2p_get_go_dev_addr(p2p
);
1004 wpa_printf(MSG_DEBUG
, "P2P: Checking whether group is persistent: "
1005 "group_capab=0x%x", group_capab
);
1007 os_memcpy(go_dev_addr
, addr
, ETH_ALEN
);
1008 wpa_printf(MSG_DEBUG
, "P2P: GO Device Address " MACSTR
,
1011 os_memset(go_dev_addr
, 0, ETH_ALEN
);
1014 wpa_printf(MSG_DEBUG
, "P2P: BSS " MACSTR
" group_capab=0x%x "
1015 "go_dev_addr=" MACSTR
,
1016 MAC2STR(bssid
), group_capab
, MAC2STR(go_dev_addr
));
1018 return group_capab
& P2P_GROUP_CAPAB_PERSISTENT_GROUP
;
1022 static int wpas_p2p_store_persistent_group(struct wpa_supplicant
*wpa_s
,
1023 struct wpa_ssid
*ssid
,
1024 const u8
*go_dev_addr
)
1029 wpa_printf(MSG_DEBUG
, "P2P: Storing credentials for a persistent "
1030 "group (GO Dev Addr " MACSTR
")", MAC2STR(go_dev_addr
));
1031 for (s
= wpa_s
->conf
->ssid
; s
; s
= s
->next
) {
1032 if (s
->disabled
== 2 &&
1033 os_memcmp(go_dev_addr
, s
->bssid
, ETH_ALEN
) == 0 &&
1034 s
->ssid_len
== ssid
->ssid_len
&&
1035 os_memcmp(ssid
->ssid
, s
->ssid
, ssid
->ssid_len
) == 0)
1040 wpa_printf(MSG_DEBUG
, "P2P: Update existing persistent group "
1042 if (ssid
->passphrase
&& !s
->passphrase
)
1044 else if (ssid
->passphrase
&& s
->passphrase
&&
1045 os_strcmp(ssid
->passphrase
, s
->passphrase
) != 0)
1048 wpa_printf(MSG_DEBUG
, "P2P: Create a new persistent group "
1051 s
= wpa_config_add_network(wpa_s
->conf
);
1056 * Instead of network_added we emit persistent_group_added
1057 * notification. Also to keep the defense checks in
1058 * persistent_group obj registration method, we set the
1059 * relevant flags in s to designate it as a persistent group.
1062 s
->p2p_persistent_group
= 1;
1063 wpas_notify_persistent_group_added(wpa_s
, s
);
1064 wpa_config_set_network_defaults(s
);
1068 s
->p2p_persistent_group
= 1;
1071 os_memcpy(s
->bssid
, go_dev_addr
, ETH_ALEN
);
1072 s
->mode
= ssid
->mode
;
1073 s
->auth_alg
= WPA_AUTH_ALG_OPEN
;
1074 s
->key_mgmt
= WPA_KEY_MGMT_PSK
;
1075 s
->proto
= WPA_PROTO_RSN
;
1076 s
->pairwise_cipher
= WPA_CIPHER_CCMP
;
1078 if (ssid
->passphrase
) {
1079 os_free(s
->passphrase
);
1080 s
->passphrase
= os_strdup(ssid
->passphrase
);
1082 if (ssid
->psk_set
) {
1084 os_memcpy(s
->psk
, ssid
->psk
, 32);
1086 if (s
->passphrase
&& !s
->psk_set
)
1087 wpa_config_update_psk(s
);
1088 if (s
->ssid
== NULL
|| s
->ssid_len
< ssid
->ssid_len
) {
1090 s
->ssid
= os_malloc(ssid
->ssid_len
);
1093 s
->ssid_len
= ssid
->ssid_len
;
1094 os_memcpy(s
->ssid
, ssid
->ssid
, s
->ssid_len
);
1096 if (ssid
->mode
== WPAS_MODE_P2P_GO
&& wpa_s
->global
->add_psk
) {
1097 dl_list_add(&s
->psk_list
, &wpa_s
->global
->add_psk
->list
);
1098 wpa_s
->global
->add_psk
= NULL
;
1102 if (changed
&& wpa_s
->conf
->update_config
&&
1103 wpa_config_write(wpa_s
->confname
, wpa_s
->conf
)) {
1104 wpa_printf(MSG_DEBUG
, "P2P: Failed to update configuration");
1111 static void wpas_p2p_add_persistent_group_client(struct wpa_supplicant
*wpa_s
,
1114 struct wpa_ssid
*ssid
, *s
;
1118 struct wpa_supplicant
*p2p_wpa_s
= wpa_s
->global
->p2p_init_wpa_s
;
1120 ssid
= wpa_s
->current_ssid
;
1121 if (ssid
== NULL
|| ssid
->mode
!= WPAS_MODE_P2P_GO
||
1122 !ssid
->p2p_persistent_group
)
1125 for (s
= p2p_wpa_s
->conf
->ssid
; s
; s
= s
->next
) {
1126 if (s
->disabled
!= 2 || s
->mode
!= WPAS_MODE_P2P_GO
)
1129 if (s
->ssid_len
== ssid
->ssid_len
&&
1130 os_memcmp(s
->ssid
, ssid
->ssid
, s
->ssid_len
) == 0)
1137 for (i
= 0; s
->p2p_client_list
&& i
< s
->num_p2p_clients
; i
++) {
1138 if (os_memcmp(s
->p2p_client_list
+ i
* 2 * ETH_ALEN
, addr
,
1142 if (i
== s
->num_p2p_clients
- 1)
1143 return; /* already the most recent entry */
1145 /* move the entry to mark it most recent */
1146 os_memmove(s
->p2p_client_list
+ i
* 2 * ETH_ALEN
,
1147 s
->p2p_client_list
+ (i
+ 1) * 2 * ETH_ALEN
,
1148 (s
->num_p2p_clients
- i
- 1) * 2 * ETH_ALEN
);
1149 os_memcpy(s
->p2p_client_list
+
1150 (s
->num_p2p_clients
- 1) * 2 * ETH_ALEN
, addr
,
1152 os_memset(s
->p2p_client_list
+
1153 (s
->num_p2p_clients
- 1) * 2 * ETH_ALEN
+ ETH_ALEN
,
1159 if (!found
&& s
->num_p2p_clients
< P2P_MAX_STORED_CLIENTS
) {
1160 n
= os_realloc_array(s
->p2p_client_list
,
1161 s
->num_p2p_clients
+ 1, 2 * ETH_ALEN
);
1164 os_memcpy(n
+ s
->num_p2p_clients
* 2 * ETH_ALEN
, addr
,
1166 os_memset(n
+ s
->num_p2p_clients
* 2 * ETH_ALEN
+ ETH_ALEN
,
1168 s
->p2p_client_list
= n
;
1169 s
->num_p2p_clients
++;
1170 } else if (!found
&& s
->p2p_client_list
) {
1171 /* Not enough room for an additional entry - drop the oldest
1173 os_memmove(s
->p2p_client_list
,
1174 s
->p2p_client_list
+ 2 * ETH_ALEN
,
1175 (s
->num_p2p_clients
- 1) * 2 * ETH_ALEN
);
1176 os_memcpy(s
->p2p_client_list
+
1177 (s
->num_p2p_clients
- 1) * 2 * ETH_ALEN
,
1179 os_memset(s
->p2p_client_list
+
1180 (s
->num_p2p_clients
- 1) * 2 * ETH_ALEN
+ ETH_ALEN
,
1184 if (p2p_wpa_s
->conf
->update_config
&&
1185 wpa_config_write(p2p_wpa_s
->confname
, p2p_wpa_s
->conf
))
1186 wpa_printf(MSG_DEBUG
, "P2P: Failed to update configuration");
1190 static void wpas_p2p_group_started(struct wpa_supplicant
*wpa_s
,
1191 int go
, struct wpa_ssid
*ssid
, int freq
,
1192 const u8
*psk
, const char *passphrase
,
1193 const u8
*go_dev_addr
, int persistent
,
1196 const char *ssid_txt
;
1200 wpa_snprintf_hex(psk_txt
, sizeof(psk_txt
), psk
, 32);
1205 ssid_txt
= wpa_ssid_txt(ssid
->ssid
, ssid
->ssid_len
);
1209 if (passphrase
&& passphrase
[0] == '\0')
1213 * Include PSK/passphrase only in the control interface message and
1214 * leave it out from the debug log entry.
1216 wpa_msg_global_ctrl(wpa_s
->parent
, MSG_INFO
,
1217 P2P_EVENT_GROUP_STARTED
1218 "%s %s ssid=\"%s\" freq=%d%s%s%s%s%s go_dev_addr="
1220 wpa_s
->ifname
, go
? "GO" : "client", ssid_txt
, freq
,
1221 psk
? " psk=" : "", psk_txt
,
1222 passphrase
? " passphrase=\"" : "",
1223 passphrase
? passphrase
: "",
1224 passphrase
? "\"" : "",
1225 MAC2STR(go_dev_addr
),
1226 persistent
? " [PERSISTENT]" : "", extra
);
1227 wpa_printf(MSG_INFO
, P2P_EVENT_GROUP_STARTED
1228 "%s %s ssid=\"%s\" freq=%d go_dev_addr=" MACSTR
"%s%s",
1229 wpa_s
->ifname
, go
? "GO" : "client", ssid_txt
, freq
,
1230 MAC2STR(go_dev_addr
), persistent
? " [PERSISTENT]" : "",
1235 static void wpas_group_formation_completed(struct wpa_supplicant
*wpa_s
,
1236 int success
, int already_deleted
)
1238 struct wpa_ssid
*ssid
;
1241 u8 go_dev_addr
[ETH_ALEN
];
1242 int network_id
= -1;
1245 * This callback is likely called for the main interface. Update wpa_s
1246 * to use the group interface if a new interface was created for the
1249 if (wpa_s
->global
->p2p_group_formation
)
1250 wpa_s
= wpa_s
->global
->p2p_group_formation
;
1251 if (wpa_s
->p2p_go_group_formation_completed
) {
1252 wpa_s
->global
->p2p_group_formation
= NULL
;
1253 wpa_s
->p2p_in_provisioning
= 0;
1255 wpa_s
->p2p_in_invitation
= 0;
1256 wpa_s
->group_formation_reported
= 1;
1259 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
1260 P2P_EVENT_GROUP_FORMATION_FAILURE
);
1261 if (already_deleted
)
1263 wpas_p2p_group_delete(wpa_s
,
1264 P2P_GROUP_REMOVAL_FORMATION_FAILED
);
1268 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
1269 P2P_EVENT_GROUP_FORMATION_SUCCESS
);
1271 ssid
= wpa_s
->current_ssid
;
1272 if (ssid
&& ssid
->mode
== WPAS_MODE_P2P_GROUP_FORMATION
) {
1273 ssid
->mode
= WPAS_MODE_P2P_GO
;
1274 p2p_group_notif_formation_done(wpa_s
->p2p_group
);
1275 wpa_supplicant_ap_mac_addr_filter(wpa_s
, NULL
);
1280 client
= ssid
->mode
== WPAS_MODE_INFRA
;
1281 if (ssid
->mode
== WPAS_MODE_P2P_GO
) {
1282 persistent
= ssid
->p2p_persistent_group
;
1283 os_memcpy(go_dev_addr
, wpa_s
->global
->p2p_dev_addr
,
1286 persistent
= wpas_p2p_persistent_group(wpa_s
,
1291 client
= wpa_s
->p2p_group_interface
==
1292 P2P_GROUP_INTERFACE_CLIENT
;
1293 os_memset(go_dev_addr
, 0, ETH_ALEN
);
1296 wpa_s
->show_group_started
= 0;
1299 * Indicate event only after successfully completed 4-way
1300 * handshake, i.e., when the interface is ready for data
1303 wpa_s
->show_group_started
= 1;
1305 wpas_p2p_group_started(wpa_s
, 1, ssid
,
1306 ssid
? ssid
->frequency
: 0,
1307 ssid
&& ssid
->passphrase
== NULL
&&
1308 ssid
->psk_set
? ssid
->psk
: NULL
,
1309 ssid
? ssid
->passphrase
: NULL
,
1310 go_dev_addr
, persistent
, "");
1311 wpas_p2p_cross_connect_setup(wpa_s
);
1312 wpas_p2p_set_group_idle_timeout(wpa_s
);
1316 network_id
= wpas_p2p_store_persistent_group(wpa_s
->parent
,
1319 os_free(wpa_s
->global
->add_psk
);
1320 wpa_s
->global
->add_psk
= NULL
;
1322 if (network_id
< 0 && ssid
)
1323 network_id
= ssid
->id
;
1325 wpas_notify_p2p_group_started(wpa_s
, ssid
, network_id
, 0);
1326 os_get_reltime(&wpa_s
->global
->p2p_go_wait_client
);
1331 struct send_action_work
{
1337 unsigned int wait_time
;
1342 static void wpas_p2p_send_action_work_timeout(void *eloop_ctx
,
1345 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
1347 if (!wpa_s
->p2p_send_action_work
)
1350 wpa_printf(MSG_DEBUG
, "P2P: Send Action frame radio work timed out");
1351 os_free(wpa_s
->p2p_send_action_work
->ctx
);
1352 radio_work_done(wpa_s
->p2p_send_action_work
);
1353 wpa_s
->p2p_send_action_work
= NULL
;
1357 static void wpas_p2p_action_tx_clear(struct wpa_supplicant
*wpa_s
)
1359 if (wpa_s
->p2p_send_action_work
) {
1360 struct send_action_work
*awork
;
1361 awork
= wpa_s
->p2p_send_action_work
->ctx
;
1362 if (awork
->wait_time
== 0) {
1364 radio_work_done(wpa_s
->p2p_send_action_work
);
1365 wpa_s
->p2p_send_action_work
= NULL
;
1368 * In theory, this should not be needed, but number of
1369 * places in the P2P code is still using non-zero wait
1370 * time for the last Action frame in the sequence and
1371 * some of these do not call send_action_done().
1373 eloop_cancel_timeout(wpas_p2p_send_action_work_timeout
,
1375 eloop_register_timeout(
1376 0, awork
->wait_time
* 1000,
1377 wpas_p2p_send_action_work_timeout
,
1384 static void wpas_p2p_send_action_tx_status(struct wpa_supplicant
*wpa_s
,
1386 const u8
*dst
, const u8
*src
,
1388 const u8
*data
, size_t data_len
,
1389 enum offchannel_send_action_result
1392 enum p2p_send_action_result res
= P2P_SEND_ACTION_SUCCESS
;
1394 wpas_p2p_action_tx_clear(wpa_s
);
1396 if (wpa_s
->global
->p2p
== NULL
|| wpa_s
->global
->p2p_disabled
)
1400 case OFFCHANNEL_SEND_ACTION_SUCCESS
:
1401 res
= P2P_SEND_ACTION_SUCCESS
;
1403 case OFFCHANNEL_SEND_ACTION_NO_ACK
:
1404 res
= P2P_SEND_ACTION_NO_ACK
;
1406 case OFFCHANNEL_SEND_ACTION_FAILED
:
1407 res
= P2P_SEND_ACTION_FAILED
;
1411 p2p_send_action_cb(wpa_s
->global
->p2p
, freq
, dst
, src
, bssid
, res
);
1413 if (result
!= OFFCHANNEL_SEND_ACTION_SUCCESS
&&
1414 wpa_s
->pending_pd_before_join
&&
1415 (os_memcmp(dst
, wpa_s
->pending_join_dev_addr
, ETH_ALEN
) == 0 ||
1416 os_memcmp(dst
, wpa_s
->pending_join_iface_addr
, ETH_ALEN
) == 0) &&
1417 wpa_s
->p2p_fallback_to_go_neg
) {
1418 wpa_s
->pending_pd_before_join
= 0;
1419 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: No ACK for PD Req "
1420 "during p2p_connect-auto");
1421 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
1422 P2P_EVENT_FALLBACK_TO_GO_NEG
1423 "reason=no-ACK-to-PD-Req");
1424 wpas_p2p_fallback_to_go_neg(wpa_s
, 0);
1430 static void wpas_send_action_cb(struct wpa_radio_work
*work
, int deinit
)
1432 struct wpa_supplicant
*wpa_s
= work
->wpa_s
;
1433 struct send_action_work
*awork
= work
->ctx
;
1436 if (work
->started
) {
1437 eloop_cancel_timeout(wpas_p2p_send_action_work_timeout
,
1439 wpa_s
->p2p_send_action_work
= NULL
;
1440 offchannel_send_action_done(wpa_s
);
1446 if (offchannel_send_action(wpa_s
, awork
->freq
, awork
->dst
, awork
->src
,
1447 awork
->bssid
, awork
->buf
, awork
->len
,
1449 wpas_p2p_send_action_tx_status
, 1) < 0) {
1451 radio_work_done(work
);
1454 wpa_s
->p2p_send_action_work
= work
;
1458 static int wpas_send_action_work(struct wpa_supplicant
*wpa_s
,
1459 unsigned int freq
, const u8
*dst
,
1460 const u8
*src
, const u8
*bssid
, const u8
*buf
,
1461 size_t len
, unsigned int wait_time
)
1463 struct send_action_work
*awork
;
1465 if (wpa_s
->p2p_send_action_work
) {
1466 wpa_printf(MSG_DEBUG
, "P2P: Cannot schedule new p2p-send-action work since one is already pending");
1470 awork
= os_zalloc(sizeof(*awork
) + len
);
1475 os_memcpy(awork
->dst
, dst
, ETH_ALEN
);
1476 os_memcpy(awork
->src
, src
, ETH_ALEN
);
1477 os_memcpy(awork
->bssid
, bssid
, ETH_ALEN
);
1479 awork
->wait_time
= wait_time
;
1480 os_memcpy(awork
->buf
, buf
, len
);
1482 if (radio_add_work(wpa_s
, freq
, "p2p-send-action", 0,
1483 wpas_send_action_cb
, awork
) < 0) {
1492 static int wpas_send_action(void *ctx
, unsigned int freq
, const u8
*dst
,
1493 const u8
*src
, const u8
*bssid
, const u8
*buf
,
1494 size_t len
, unsigned int wait_time
)
1496 struct wpa_supplicant
*wpa_s
= ctx
;
1497 int listen_freq
= -1, send_freq
= -1;
1499 if (wpa_s
->p2p_listen_work
)
1500 listen_freq
= wpa_s
->p2p_listen_work
->freq
;
1501 if (wpa_s
->p2p_send_action_work
)
1502 send_freq
= wpa_s
->p2p_send_action_work
->freq
;
1503 if (listen_freq
!= (int) freq
&& send_freq
!= (int) freq
) {
1504 wpa_printf(MSG_DEBUG
, "P2P: Schedule new radio work for Action frame TX (listen_freq=%d send_freq=%d)",
1505 listen_freq
, send_freq
);
1506 return wpas_send_action_work(wpa_s
, freq
, dst
, src
, bssid
, buf
,
1510 wpa_printf(MSG_DEBUG
, "P2P: Use ongoing radio work for Action frame TX");
1511 return offchannel_send_action(wpa_s
, freq
, dst
, src
, bssid
, buf
, len
,
1513 wpas_p2p_send_action_tx_status
, 1);
1517 static void wpas_send_action_done(void *ctx
)
1519 struct wpa_supplicant
*wpa_s
= ctx
;
1521 if (wpa_s
->p2p_send_action_work
) {
1522 eloop_cancel_timeout(wpas_p2p_send_action_work_timeout
,
1524 os_free(wpa_s
->p2p_send_action_work
->ctx
);
1525 radio_work_done(wpa_s
->p2p_send_action_work
);
1526 wpa_s
->p2p_send_action_work
= NULL
;
1529 offchannel_send_action_done(wpa_s
);
1533 static int wpas_copy_go_neg_results(struct wpa_supplicant
*wpa_s
,
1534 struct p2p_go_neg_results
*params
)
1536 if (wpa_s
->go_params
== NULL
) {
1537 wpa_s
->go_params
= os_malloc(sizeof(*params
));
1538 if (wpa_s
->go_params
== NULL
)
1541 os_memcpy(wpa_s
->go_params
, params
, sizeof(*params
));
1546 static void wpas_start_wps_enrollee(struct wpa_supplicant
*wpa_s
,
1547 struct p2p_go_neg_results
*res
)
1549 wpa_s
->group_formation_reported
= 0;
1550 wpa_printf(MSG_DEBUG
, "P2P: Start WPS Enrollee for peer " MACSTR
1551 " dev_addr " MACSTR
" wps_method %d",
1552 MAC2STR(res
->peer_interface_addr
),
1553 MAC2STR(res
->peer_device_addr
), res
->wps_method
);
1554 wpa_hexdump_ascii(MSG_DEBUG
, "P2P: Start WPS Enrollee for SSID",
1555 res
->ssid
, res
->ssid_len
);
1556 wpa_supplicant_ap_deinit(wpa_s
);
1557 wpas_copy_go_neg_results(wpa_s
, res
);
1558 if (res
->wps_method
== WPS_PBC
) {
1559 wpas_wps_start_pbc(wpa_s
, res
->peer_interface_addr
, 1);
1560 #ifdef CONFIG_WPS_NFC
1561 } else if (res
->wps_method
== WPS_NFC
) {
1562 wpas_wps_start_nfc(wpa_s
, res
->peer_device_addr
,
1563 res
->peer_interface_addr
,
1564 wpa_s
->parent
->p2p_oob_dev_pw
,
1565 wpa_s
->parent
->p2p_oob_dev_pw_id
, 1,
1566 wpa_s
->parent
->p2p_oob_dev_pw_id
==
1567 DEV_PW_NFC_CONNECTION_HANDOVER
?
1568 wpa_s
->parent
->p2p_peer_oob_pubkey_hash
:
1571 #endif /* CONFIG_WPS_NFC */
1573 u16 dev_pw_id
= DEV_PW_DEFAULT
;
1574 if (wpa_s
->p2p_wps_method
== WPS_P2PS
)
1575 dev_pw_id
= DEV_PW_P2PS_DEFAULT
;
1576 if (wpa_s
->p2p_wps_method
== WPS_PIN_KEYPAD
)
1577 dev_pw_id
= DEV_PW_REGISTRAR_SPECIFIED
;
1578 wpas_wps_start_pin(wpa_s
, res
->peer_interface_addr
,
1579 wpa_s
->p2p_pin
, 1, dev_pw_id
);
1584 static void wpas_p2p_add_psk_list(struct wpa_supplicant
*wpa_s
,
1585 struct wpa_ssid
*ssid
)
1587 struct wpa_ssid
*persistent
;
1588 struct psk_list_entry
*psk
;
1589 struct hostapd_data
*hapd
;
1591 if (!wpa_s
->ap_iface
)
1594 persistent
= wpas_p2p_get_persistent(wpa_s
->parent
, NULL
, ssid
->ssid
,
1596 if (persistent
== NULL
)
1599 hapd
= wpa_s
->ap_iface
->bss
[0];
1601 dl_list_for_each(psk
, &persistent
->psk_list
, struct psk_list_entry
,
1603 struct hostapd_wpa_psk
*hpsk
;
1605 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Add persistent group PSK entry for "
1607 MAC2STR(psk
->addr
), psk
->p2p
);
1608 hpsk
= os_zalloc(sizeof(*hpsk
));
1611 os_memcpy(hpsk
->psk
, psk
->psk
, PMK_LEN
);
1613 os_memcpy(hpsk
->p2p_dev_addr
, psk
->addr
, ETH_ALEN
);
1615 os_memcpy(hpsk
->addr
, psk
->addr
, ETH_ALEN
);
1616 hpsk
->next
= hapd
->conf
->ssid
.wpa_psk
;
1617 hapd
->conf
->ssid
.wpa_psk
= hpsk
;
1622 static void p2p_go_dump_common_freqs(struct wpa_supplicant
*wpa_s
)
1626 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Common group frequencies (len=%u):",
1627 wpa_s
->p2p_group_common_freqs_num
);
1629 for (i
= 0; i
< wpa_s
->p2p_group_common_freqs_num
; i
++)
1630 wpa_dbg(wpa_s
, MSG_DEBUG
, "freq[%u]: %d",
1631 i
, wpa_s
->p2p_group_common_freqs
[i
]);
1635 static void p2p_go_save_group_common_freqs(struct wpa_supplicant
*wpa_s
,
1636 struct p2p_go_neg_results
*params
)
1638 unsigned int i
, len
= int_array_len(wpa_s
->go_params
->freq_list
);
1640 wpa_s
->p2p_group_common_freqs_num
= 0;
1641 os_free(wpa_s
->p2p_group_common_freqs
);
1642 wpa_s
->p2p_group_common_freqs
= os_calloc(len
, sizeof(int));
1643 if (!wpa_s
->p2p_group_common_freqs
)
1646 for (i
= 0; i
< len
; i
++) {
1647 if (!wpa_s
->go_params
->freq_list
[i
])
1649 wpa_s
->p2p_group_common_freqs
[i
] =
1650 wpa_s
->go_params
->freq_list
[i
];
1652 wpa_s
->p2p_group_common_freqs_num
= i
;
1656 static void p2p_config_write(struct wpa_supplicant
*wpa_s
)
1658 #ifndef CONFIG_NO_CONFIG_WRITE
1659 if (wpa_s
->parent
->conf
->update_config
&&
1660 wpa_config_write(wpa_s
->parent
->confname
, wpa_s
->parent
->conf
))
1661 wpa_printf(MSG_DEBUG
, "P2P: Failed to update configuration");
1662 #endif /* CONFIG_NO_CONFIG_WRITE */
1666 static void p2p_go_configured(void *ctx
, void *data
)
1668 struct wpa_supplicant
*wpa_s
= ctx
;
1669 struct p2p_go_neg_results
*params
= data
;
1670 struct wpa_ssid
*ssid
;
1671 int network_id
= -1;
1673 p2p_go_save_group_common_freqs(wpa_s
, params
);
1674 p2p_go_dump_common_freqs(wpa_s
);
1676 ssid
= wpa_s
->current_ssid
;
1677 if (ssid
&& ssid
->mode
== WPAS_MODE_P2P_GO
) {
1678 wpa_printf(MSG_DEBUG
, "P2P: Group setup without provisioning");
1679 if (wpa_s
->global
->p2p_group_formation
== wpa_s
)
1680 wpa_s
->global
->p2p_group_formation
= NULL
;
1681 wpas_p2p_group_started(wpa_s
, 1, ssid
, ssid
->frequency
,
1682 params
->passphrase
[0] == '\0' ?
1685 wpa_s
->global
->p2p_dev_addr
,
1686 params
->persistent_group
, "");
1687 wpa_s
->group_formation_reported
= 1;
1689 if (wpa_s
->parent
->p2ps_join_addr_valid
) {
1690 wpa_dbg(wpa_s
, MSG_DEBUG
,
1691 "P2PS: Setting default PIN for " MACSTR
,
1692 MAC2STR(wpa_s
->parent
->p2ps_join_addr
));
1693 wpa_supplicant_ap_wps_pin(wpa_s
,
1694 wpa_s
->parent
->p2ps_join_addr
,
1695 "12345670", NULL
, 0, 0);
1696 wpa_s
->parent
->p2ps_join_addr_valid
= 0;
1699 os_get_reltime(&wpa_s
->global
->p2p_go_wait_client
);
1700 if (params
->persistent_group
) {
1701 network_id
= wpas_p2p_store_persistent_group(
1702 wpa_s
->parent
, ssid
,
1703 wpa_s
->global
->p2p_dev_addr
);
1704 wpas_p2p_add_psk_list(wpa_s
, ssid
);
1707 network_id
= ssid
->id
;
1708 wpas_notify_p2p_group_started(wpa_s
, ssid
, network_id
, 0);
1709 wpas_p2p_cross_connect_setup(wpa_s
);
1710 wpas_p2p_set_group_idle_timeout(wpa_s
);
1712 if (wpa_s
->p2p_first_connection_timeout
) {
1713 wpa_dbg(wpa_s
, MSG_DEBUG
,
1714 "P2P: Start group formation timeout of %d seconds until first data connection on GO",
1715 wpa_s
->p2p_first_connection_timeout
);
1716 wpa_s
->p2p_go_group_formation_completed
= 0;
1717 wpa_s
->global
->p2p_group_formation
= wpa_s
;
1718 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
,
1719 wpa_s
->parent
, NULL
);
1720 eloop_register_timeout(
1721 wpa_s
->p2p_first_connection_timeout
, 0,
1722 wpas_p2p_group_formation_timeout
,
1723 wpa_s
->parent
, NULL
);
1729 wpa_printf(MSG_DEBUG
, "P2P: Setting up WPS for GO provisioning");
1730 if (wpa_supplicant_ap_mac_addr_filter(wpa_s
,
1731 params
->peer_interface_addr
)) {
1732 wpa_printf(MSG_DEBUG
, "P2P: Failed to setup MAC address "
1736 if (params
->wps_method
== WPS_PBC
) {
1737 wpa_supplicant_ap_wps_pbc(wpa_s
, params
->peer_interface_addr
,
1738 params
->peer_device_addr
);
1739 #ifdef CONFIG_WPS_NFC
1740 } else if (params
->wps_method
== WPS_NFC
) {
1741 if (wpa_s
->parent
->p2p_oob_dev_pw_id
!=
1742 DEV_PW_NFC_CONNECTION_HANDOVER
&&
1743 !wpa_s
->parent
->p2p_oob_dev_pw
) {
1744 wpa_printf(MSG_DEBUG
, "P2P: No NFC Dev Pw known");
1747 wpas_ap_wps_add_nfc_pw(
1748 wpa_s
, wpa_s
->parent
->p2p_oob_dev_pw_id
,
1749 wpa_s
->parent
->p2p_oob_dev_pw
,
1750 wpa_s
->parent
->p2p_peer_oob_pk_hash_known
?
1751 wpa_s
->parent
->p2p_peer_oob_pubkey_hash
: NULL
);
1752 #endif /* CONFIG_WPS_NFC */
1753 } else if (wpa_s
->p2p_pin
[0])
1754 wpa_supplicant_ap_wps_pin(wpa_s
, params
->peer_interface_addr
,
1755 wpa_s
->p2p_pin
, NULL
, 0, 0);
1756 os_free(wpa_s
->go_params
);
1757 wpa_s
->go_params
= NULL
;
1761 static void wpas_start_wps_go(struct wpa_supplicant
*wpa_s
,
1762 struct p2p_go_neg_results
*params
,
1763 int group_formation
)
1765 struct wpa_ssid
*ssid
;
1767 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Starting GO");
1768 if (wpas_copy_go_neg_results(wpa_s
, params
) < 0) {
1769 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Could not copy GO Negotiation "
1774 ssid
= wpa_config_add_network(wpa_s
->conf
);
1776 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Could not add network for GO");
1780 wpa_s
->show_group_started
= 0;
1781 wpa_s
->p2p_go_group_formation_completed
= 0;
1782 wpa_s
->group_formation_reported
= 0;
1784 wpa_config_set_network_defaults(ssid
);
1785 ssid
->temporary
= 1;
1786 ssid
->p2p_group
= 1;
1787 ssid
->p2p_persistent_group
= params
->persistent_group
;
1788 ssid
->mode
= group_formation
? WPAS_MODE_P2P_GROUP_FORMATION
:
1790 ssid
->frequency
= params
->freq
;
1791 ssid
->ht40
= params
->ht40
;
1792 ssid
->vht
= params
->vht
;
1793 ssid
->ssid
= os_zalloc(params
->ssid_len
+ 1);
1795 os_memcpy(ssid
->ssid
, params
->ssid
, params
->ssid_len
);
1796 ssid
->ssid_len
= params
->ssid_len
;
1798 ssid
->auth_alg
= WPA_AUTH_ALG_OPEN
;
1799 ssid
->key_mgmt
= WPA_KEY_MGMT_PSK
;
1800 ssid
->proto
= WPA_PROTO_RSN
;
1801 ssid
->pairwise_cipher
= WPA_CIPHER_CCMP
;
1802 ssid
->group_cipher
= WPA_CIPHER_CCMP
;
1803 if (params
->freq
> 56160) {
1805 * Enable GCMP instead of CCMP as pairwise_cipher and
1806 * group_cipher in 60 GHz.
1808 ssid
->pairwise_cipher
= WPA_CIPHER_GCMP
;
1809 ssid
->group_cipher
= WPA_CIPHER_GCMP
;
1811 if (os_strlen(params
->passphrase
) > 0) {
1812 ssid
->passphrase
= os_strdup(params
->passphrase
);
1813 if (ssid
->passphrase
== NULL
) {
1814 wpa_msg_global(wpa_s
, MSG_ERROR
,
1815 "P2P: Failed to copy passphrase for GO");
1816 wpa_config_remove_network(wpa_s
->conf
, ssid
->id
);
1820 ssid
->passphrase
= NULL
;
1821 ssid
->psk_set
= params
->psk_set
;
1823 os_memcpy(ssid
->psk
, params
->psk
, sizeof(ssid
->psk
));
1824 else if (ssid
->passphrase
)
1825 wpa_config_update_psk(ssid
);
1826 ssid
->ap_max_inactivity
= wpa_s
->parent
->conf
->p2p_go_max_inactivity
;
1828 wpa_s
->ap_configured_cb
= p2p_go_configured
;
1829 wpa_s
->ap_configured_cb_ctx
= wpa_s
;
1830 wpa_s
->ap_configured_cb_data
= wpa_s
->go_params
;
1831 wpa_s
->scan_req
= NORMAL_SCAN_REQ
;
1832 wpa_s
->connect_without_scan
= ssid
;
1833 wpa_s
->reassociate
= 1;
1834 wpa_s
->disconnected
= 0;
1835 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Request scan (that will be skipped) to "
1837 wpa_supplicant_req_scan(wpa_s
, 0, 0);
1841 static void wpas_p2p_clone_config(struct wpa_supplicant
*dst
,
1842 const struct wpa_supplicant
*src
)
1844 struct wpa_config
*d
;
1845 const struct wpa_config
*s
;
1850 #define C(n) if (s->n) d->n = os_strdup(s->n)
1859 os_memcpy(d
->device_type
, s
->device_type
, WPS_DEV_TYPE_LEN
);
1860 os_memcpy(d
->sec_device_type
, s
->sec_device_type
,
1861 sizeof(d
->sec_device_type
));
1862 d
->num_sec_device_types
= s
->num_sec_device_types
;
1864 d
->p2p_group_idle
= s
->p2p_group_idle
;
1865 d
->p2p_intra_bss
= s
->p2p_intra_bss
;
1866 d
->persistent_reconnect
= s
->persistent_reconnect
;
1867 d
->max_num_sta
= s
->max_num_sta
;
1868 d
->pbc_in_m1
= s
->pbc_in_m1
;
1869 d
->ignore_old_scan_res
= s
->ignore_old_scan_res
;
1870 d
->beacon_int
= s
->beacon_int
;
1871 d
->dtim_period
= s
->dtim_period
;
1872 d
->p2p_go_ctwindow
= s
->p2p_go_ctwindow
;
1873 d
->disassoc_low_ack
= s
->disassoc_low_ack
;
1874 d
->disable_scan_offload
= s
->disable_scan_offload
;
1875 d
->passive_scan
= s
->passive_scan
;
1877 if (s
->wps_nfc_dh_privkey
&& s
->wps_nfc_dh_pubkey
) {
1878 d
->wps_nfc_dh_privkey
= wpabuf_dup(s
->wps_nfc_dh_privkey
);
1879 d
->wps_nfc_dh_pubkey
= wpabuf_dup(s
->wps_nfc_dh_pubkey
);
1881 d
->p2p_cli_probe
= s
->p2p_cli_probe
;
1885 static void wpas_p2p_get_group_ifname(struct wpa_supplicant
*wpa_s
,
1886 char *ifname
, size_t len
)
1888 char *ifname_ptr
= wpa_s
->ifname
;
1890 if (os_strncmp(wpa_s
->ifname
, P2P_MGMT_DEVICE_PREFIX
,
1891 os_strlen(P2P_MGMT_DEVICE_PREFIX
)) == 0) {
1892 ifname_ptr
= os_strrchr(wpa_s
->ifname
, '-') + 1;
1895 os_snprintf(ifname
, len
, "p2p-%s-%d", ifname_ptr
, wpa_s
->p2p_group_idx
);
1896 if (os_strlen(ifname
) >= IFNAMSIZ
&&
1897 os_strlen(wpa_s
->ifname
) < IFNAMSIZ
) {
1900 /* Try to avoid going over the IFNAMSIZ length limit */
1901 res
= os_snprintf(ifname
, len
, "p2p-%d", wpa_s
->p2p_group_idx
);
1902 if (os_snprintf_error(len
, res
) && len
)
1903 ifname
[len
- 1] = '\0';
1908 static int wpas_p2p_add_group_interface(struct wpa_supplicant
*wpa_s
,
1909 enum wpa_driver_if_type type
)
1911 char ifname
[120], force_ifname
[120];
1913 if (wpa_s
->pending_interface_name
[0]) {
1914 wpa_printf(MSG_DEBUG
, "P2P: Pending virtual interface exists "
1915 "- skip creation of a new one");
1916 if (is_zero_ether_addr(wpa_s
->pending_interface_addr
)) {
1917 wpa_printf(MSG_DEBUG
, "P2P: Pending virtual address "
1918 "unknown?! ifname='%s'",
1919 wpa_s
->pending_interface_name
);
1925 wpas_p2p_get_group_ifname(wpa_s
, ifname
, sizeof(ifname
));
1926 force_ifname
[0] = '\0';
1928 wpa_printf(MSG_DEBUG
, "P2P: Create a new interface %s for the group",
1930 wpa_s
->p2p_group_idx
++;
1932 wpa_s
->pending_interface_type
= type
;
1933 if (wpa_drv_if_add(wpa_s
, type
, ifname
, NULL
, NULL
, force_ifname
,
1934 wpa_s
->pending_interface_addr
, NULL
) < 0) {
1935 wpa_printf(MSG_ERROR
, "P2P: Failed to create new group "
1940 if (force_ifname
[0]) {
1941 wpa_printf(MSG_DEBUG
, "P2P: Driver forced interface name %s",
1943 os_strlcpy(wpa_s
->pending_interface_name
, force_ifname
,
1944 sizeof(wpa_s
->pending_interface_name
));
1946 os_strlcpy(wpa_s
->pending_interface_name
, ifname
,
1947 sizeof(wpa_s
->pending_interface_name
));
1948 wpa_printf(MSG_DEBUG
, "P2P: Created pending virtual interface %s addr "
1949 MACSTR
, wpa_s
->pending_interface_name
,
1950 MAC2STR(wpa_s
->pending_interface_addr
));
1956 static void wpas_p2p_remove_pending_group_interface(
1957 struct wpa_supplicant
*wpa_s
)
1959 if (!wpa_s
->pending_interface_name
[0] ||
1960 is_zero_ether_addr(wpa_s
->pending_interface_addr
))
1961 return; /* No pending virtual interface */
1963 wpa_printf(MSG_DEBUG
, "P2P: Removing pending group interface %s",
1964 wpa_s
->pending_interface_name
);
1965 wpa_drv_if_remove(wpa_s
, wpa_s
->pending_interface_type
,
1966 wpa_s
->pending_interface_name
);
1967 os_memset(wpa_s
->pending_interface_addr
, 0, ETH_ALEN
);
1968 wpa_s
->pending_interface_name
[0] = '\0';
1969 wpa_s
->global
->pending_group_iface_for_p2ps
= 0;
1973 static struct wpa_supplicant
*
1974 wpas_p2p_init_group_interface(struct wpa_supplicant
*wpa_s
, int go
)
1976 struct wpa_interface iface
;
1977 struct wpa_supplicant
*group_wpa_s
;
1979 if (!wpa_s
->pending_interface_name
[0]) {
1980 wpa_printf(MSG_ERROR
, "P2P: No pending group interface");
1981 if (!wpas_p2p_create_iface(wpa_s
))
1984 * Something has forced us to remove the pending interface; try
1985 * to create a new one and hope for the best that we will get
1986 * the same local address.
1988 if (wpas_p2p_add_group_interface(wpa_s
, go
? WPA_IF_P2P_GO
:
1989 WPA_IF_P2P_CLIENT
) < 0)
1993 os_memset(&iface
, 0, sizeof(iface
));
1994 iface
.ifname
= wpa_s
->pending_interface_name
;
1995 iface
.driver
= wpa_s
->driver
->name
;
1996 if (wpa_s
->conf
->ctrl_interface
== NULL
&&
1997 wpa_s
->parent
!= wpa_s
&&
1999 (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE
))
2000 iface
.ctrl_interface
= wpa_s
->parent
->conf
->ctrl_interface
;
2002 iface
.ctrl_interface
= wpa_s
->conf
->ctrl_interface
;
2003 iface
.driver_param
= wpa_s
->conf
->driver_param
;
2004 group_wpa_s
= wpa_supplicant_add_iface(wpa_s
->global
, &iface
, wpa_s
);
2005 if (group_wpa_s
== NULL
) {
2006 wpa_printf(MSG_ERROR
, "P2P: Failed to create new "
2007 "wpa_supplicant interface");
2010 wpa_s
->pending_interface_name
[0] = '\0';
2011 group_wpa_s
->p2p_group_interface
= go
? P2P_GROUP_INTERFACE_GO
:
2012 P2P_GROUP_INTERFACE_CLIENT
;
2013 wpa_s
->global
->p2p_group_formation
= group_wpa_s
;
2014 wpa_s
->global
->pending_group_iface_for_p2ps
= 0;
2016 wpas_p2p_clone_config(group_wpa_s
, wpa_s
);
2022 static void wpas_p2p_group_formation_timeout(void *eloop_ctx
,
2025 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
2026 wpa_printf(MSG_DEBUG
, "P2P: Group Formation timed out");
2027 wpas_p2p_group_formation_failed(wpa_s
, 0);
2031 static void wpas_p2p_group_formation_failed(struct wpa_supplicant
*wpa_s
,
2032 int already_deleted
)
2034 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
,
2035 wpa_s
->parent
, NULL
);
2036 if (wpa_s
->global
->p2p
)
2037 p2p_group_formation_failed(wpa_s
->global
->p2p
);
2038 wpas_group_formation_completed(wpa_s
, 0, already_deleted
);
2042 static void wpas_p2p_grpform_fail_after_wps(struct wpa_supplicant
*wpa_s
)
2044 wpa_printf(MSG_DEBUG
, "P2P: Reject group formation due to WPS provisioning failure");
2045 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
,
2046 wpa_s
->parent
, NULL
);
2047 eloop_register_timeout(0, 0, wpas_p2p_group_formation_timeout
,
2048 wpa_s
->parent
, NULL
);
2049 wpa_s
->global
->p2p_fail_on_wps_complete
= 0;
2053 void wpas_p2p_ap_setup_failed(struct wpa_supplicant
*wpa_s
)
2055 if (wpa_s
->global
->p2p_group_formation
!= wpa_s
)
2057 /* Speed up group formation timeout since this cannot succeed */
2058 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
,
2059 wpa_s
->parent
, NULL
);
2060 eloop_register_timeout(0, 0, wpas_p2p_group_formation_timeout
,
2061 wpa_s
->parent
, NULL
);
2065 static void wpas_go_neg_completed(void *ctx
, struct p2p_go_neg_results
*res
)
2067 struct wpa_supplicant
*wpa_s
= ctx
;
2069 if (wpa_s
->off_channel_freq
|| wpa_s
->roc_waiting_drv_freq
) {
2070 wpa_drv_cancel_remain_on_channel(wpa_s
);
2071 wpa_s
->off_channel_freq
= 0;
2072 wpa_s
->roc_waiting_drv_freq
= 0;
2076 wpa_msg_global(wpa_s
, MSG_INFO
,
2077 P2P_EVENT_GO_NEG_FAILURE
"status=%d",
2079 wpas_notify_p2p_go_neg_completed(wpa_s
, res
);
2080 wpas_p2p_remove_pending_group_interface(wpa_s
);
2084 if (!res
->role_go
) {
2085 /* Inform driver of the operating channel of GO. */
2086 wpa_drv_set_prob_oper_freq(wpa_s
, res
->freq
);
2089 if (wpa_s
->p2p_go_ht40
)
2091 if (wpa_s
->p2p_go_vht
)
2094 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_GO_NEG_SUCCESS
"role=%s "
2095 "freq=%d ht40=%d peer_dev=" MACSTR
" peer_iface=" MACSTR
2097 res
->role_go
? "GO" : "client", res
->freq
, res
->ht40
,
2098 MAC2STR(res
->peer_device_addr
),
2099 MAC2STR(res
->peer_interface_addr
),
2100 p2p_wps_method_text(res
->wps_method
));
2101 wpas_notify_p2p_go_neg_completed(wpa_s
, res
);
2103 if (res
->role_go
&& wpa_s
->p2p_persistent_id
>= 0) {
2104 struct wpa_ssid
*ssid
;
2105 ssid
= wpa_config_get_network(wpa_s
->conf
,
2106 wpa_s
->p2p_persistent_id
);
2107 if (ssid
&& ssid
->disabled
== 2 &&
2108 ssid
->mode
== WPAS_MODE_P2P_GO
&& ssid
->passphrase
) {
2109 size_t len
= os_strlen(ssid
->passphrase
);
2110 wpa_printf(MSG_DEBUG
, "P2P: Override passphrase based "
2111 "on requested persistent group");
2112 os_memcpy(res
->passphrase
, ssid
->passphrase
, len
);
2113 res
->passphrase
[len
] = '\0';
2117 if (wpa_s
->create_p2p_iface
) {
2118 struct wpa_supplicant
*group_wpa_s
=
2119 wpas_p2p_init_group_interface(wpa_s
, res
->role_go
);
2120 if (group_wpa_s
== NULL
) {
2121 wpas_p2p_remove_pending_group_interface(wpa_s
);
2122 eloop_cancel_timeout(wpas_p2p_long_listen_timeout
,
2124 wpas_p2p_group_formation_failed(wpa_s
, 1);
2127 if (group_wpa_s
!= wpa_s
) {
2128 os_memcpy(group_wpa_s
->p2p_pin
, wpa_s
->p2p_pin
,
2129 sizeof(group_wpa_s
->p2p_pin
));
2130 group_wpa_s
->p2p_wps_method
= wpa_s
->p2p_wps_method
;
2132 os_memset(wpa_s
->pending_interface_addr
, 0, ETH_ALEN
);
2133 wpa_s
->pending_interface_name
[0] = '\0';
2134 group_wpa_s
->p2p_in_provisioning
= 1;
2137 wpas_start_wps_go(group_wpa_s
, res
, 1);
2139 wpas_start_wps_enrollee(group_wpa_s
, res
);
2141 wpa_s
->p2p_in_provisioning
= 1;
2142 wpa_s
->global
->p2p_group_formation
= wpa_s
;
2145 wpas_start_wps_go(wpa_s
, res
, 1);
2147 wpas_start_wps_enrollee(ctx
, res
);
2150 wpa_s
->p2p_long_listen
= 0;
2151 eloop_cancel_timeout(wpas_p2p_long_listen_timeout
, wpa_s
, NULL
);
2153 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
, wpa_s
, NULL
);
2154 eloop_register_timeout(15 + res
->peer_config_timeout
/ 100,
2155 (res
->peer_config_timeout
% 100) * 10000,
2156 wpas_p2p_group_formation_timeout
, wpa_s
, NULL
);
2160 static void wpas_go_neg_req_rx(void *ctx
, const u8
*src
, u16 dev_passwd_id
,
2163 struct wpa_supplicant
*wpa_s
= ctx
;
2164 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_GO_NEG_REQUEST MACSTR
2165 " dev_passwd_id=%u go_intent=%u", MAC2STR(src
),
2166 dev_passwd_id
, go_intent
);
2168 wpas_notify_p2p_go_neg_req(wpa_s
, src
, dev_passwd_id
, go_intent
);
2172 static void wpas_dev_found(void *ctx
, const u8
*addr
,
2173 const struct p2p_peer_info
*info
,
2176 #ifndef CONFIG_NO_STDOUT_DEBUG
2177 struct wpa_supplicant
*wpa_s
= ctx
;
2178 char devtype
[WPS_DEV_TYPE_BUFSIZE
];
2179 char *wfd_dev_info_hex
= NULL
;
2181 #ifdef CONFIG_WIFI_DISPLAY
2182 wfd_dev_info_hex
= wifi_display_subelem_hex(info
->wfd_subelems
,
2183 WFD_SUBELEM_DEVICE_INFO
);
2184 #endif /* CONFIG_WIFI_DISPLAY */
2186 if (info
->p2ps_instance
) {
2188 const u8
*buf
= wpabuf_head(info
->p2ps_instance
);
2189 size_t len
= wpabuf_len(info
->p2ps_instance
);
2196 if (len
< 4 + 2 + 1)
2198 id
= WPA_GET_LE32(buf
);
2200 methods
= WPA_GET_BE16(buf
);
2203 if (str_len
> len
- 4 - 2 - 1)
2205 os_memcpy(str
, buf
, str_len
);
2206 str
[str_len
] = '\0';
2208 len
-= str_len
+ sizeof(u32
) + sizeof(u16
) + sizeof(u8
);
2210 wpa_msg_global(wpa_s
, MSG_INFO
,
2211 P2P_EVENT_DEVICE_FOUND MACSTR
2212 " p2p_dev_addr=" MACSTR
2213 " pri_dev_type=%s name='%s'"
2214 " config_methods=0x%x"
2217 " adv_id=%x asp_svc=%s%s",
2219 MAC2STR(info
->p2p_device_addr
),
2220 wps_dev_type_bin2str(
2222 devtype
, sizeof(devtype
)),
2223 info
->device_name
, methods
,
2224 info
->dev_capab
, info
->group_capab
,
2226 info
->vendor_elems
?
2227 " vendor_elems=1" : "");
2232 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_DEVICE_FOUND MACSTR
2233 " p2p_dev_addr=" MACSTR
2234 " pri_dev_type=%s name='%s' config_methods=0x%x "
2235 "dev_capab=0x%x group_capab=0x%x%s%s%s new=%d",
2236 MAC2STR(addr
), MAC2STR(info
->p2p_device_addr
),
2237 wps_dev_type_bin2str(info
->pri_dev_type
, devtype
,
2239 info
->device_name
, info
->config_methods
,
2240 info
->dev_capab
, info
->group_capab
,
2241 wfd_dev_info_hex
? " wfd_dev_info=0x" : "",
2242 wfd_dev_info_hex
? wfd_dev_info_hex
: "",
2243 info
->vendor_elems
? " vendor_elems=1" : "",
2247 os_free(wfd_dev_info_hex
);
2248 #endif /* CONFIG_NO_STDOUT_DEBUG */
2250 wpas_notify_p2p_device_found(ctx
, info
->p2p_device_addr
, new_device
);
2254 static void wpas_dev_lost(void *ctx
, const u8
*dev_addr
)
2256 struct wpa_supplicant
*wpa_s
= ctx
;
2258 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_DEVICE_LOST
2259 "p2p_dev_addr=" MACSTR
, MAC2STR(dev_addr
));
2261 wpas_notify_p2p_device_lost(wpa_s
, dev_addr
);
2265 static void wpas_find_stopped(void *ctx
)
2267 struct wpa_supplicant
*wpa_s
= ctx
;
2268 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_FIND_STOPPED
);
2269 wpas_notify_p2p_find_stopped(wpa_s
);
2273 struct wpas_p2p_listen_work
{
2275 unsigned int duration
;
2276 struct wpabuf
*probe_resp_ie
;
2280 static void wpas_p2p_listen_work_free(struct wpas_p2p_listen_work
*lwork
)
2284 wpabuf_free(lwork
->probe_resp_ie
);
2289 static void wpas_p2p_listen_work_done(struct wpa_supplicant
*wpa_s
)
2291 struct wpas_p2p_listen_work
*lwork
;
2293 if (!wpa_s
->p2p_listen_work
)
2296 lwork
= wpa_s
->p2p_listen_work
->ctx
;
2297 wpas_p2p_listen_work_free(lwork
);
2298 radio_work_done(wpa_s
->p2p_listen_work
);
2299 wpa_s
->p2p_listen_work
= NULL
;
2303 static void wpas_start_listen_cb(struct wpa_radio_work
*work
, int deinit
)
2305 struct wpa_supplicant
*wpa_s
= work
->wpa_s
;
2306 struct wpas_p2p_listen_work
*lwork
= work
->ctx
;
2307 unsigned int duration
;
2310 if (work
->started
) {
2311 wpa_s
->p2p_listen_work
= NULL
;
2312 wpas_stop_listen(wpa_s
);
2314 wpas_p2p_listen_work_free(lwork
);
2318 wpa_s
->p2p_listen_work
= work
;
2320 wpa_drv_set_ap_wps_ie(wpa_s
, NULL
, lwork
->probe_resp_ie
, NULL
);
2322 if (wpa_drv_probe_req_report(wpa_s
, 1) < 0) {
2323 wpa_printf(MSG_DEBUG
, "P2P: Failed to request the driver to "
2324 "report received Probe Request frames");
2325 wpas_p2p_listen_work_done(wpa_s
);
2329 wpa_s
->pending_listen_freq
= lwork
->freq
;
2330 wpa_s
->pending_listen_duration
= lwork
->duration
;
2332 duration
= lwork
->duration
;
2333 #ifdef CONFIG_TESTING_OPTIONS
2334 if (wpa_s
->extra_roc_dur
) {
2335 wpa_printf(MSG_DEBUG
, "TESTING: Increase ROC duration %u -> %u",
2336 duration
, duration
+ wpa_s
->extra_roc_dur
);
2337 duration
+= wpa_s
->extra_roc_dur
;
2339 #endif /* CONFIG_TESTING_OPTIONS */
2341 if (wpa_drv_remain_on_channel(wpa_s
, lwork
->freq
, duration
) < 0) {
2342 wpa_printf(MSG_DEBUG
, "P2P: Failed to request the driver "
2343 "to remain on channel (%u MHz) for Listen "
2344 "state", lwork
->freq
);
2345 wpas_p2p_listen_work_done(wpa_s
);
2346 wpa_s
->pending_listen_freq
= 0;
2349 wpa_s
->off_channel_freq
= 0;
2350 wpa_s
->roc_waiting_drv_freq
= lwork
->freq
;
2354 static int wpas_start_listen(void *ctx
, unsigned int freq
,
2355 unsigned int duration
,
2356 const struct wpabuf
*probe_resp_ie
)
2358 struct wpa_supplicant
*wpa_s
= ctx
;
2359 struct wpas_p2p_listen_work
*lwork
;
2361 if (wpa_s
->p2p_listen_work
) {
2362 wpa_printf(MSG_DEBUG
, "P2P: Reject start_listen since p2p_listen_work already exists");
2366 lwork
= os_zalloc(sizeof(*lwork
));
2370 lwork
->duration
= duration
;
2371 if (probe_resp_ie
) {
2372 lwork
->probe_resp_ie
= wpabuf_dup(probe_resp_ie
);
2373 if (lwork
->probe_resp_ie
== NULL
) {
2374 wpas_p2p_listen_work_free(lwork
);
2379 if (radio_add_work(wpa_s
, freq
, "p2p-listen", 0, wpas_start_listen_cb
,
2381 wpas_p2p_listen_work_free(lwork
);
2389 static void wpas_stop_listen(void *ctx
)
2391 struct wpa_supplicant
*wpa_s
= ctx
;
2392 if (wpa_s
->off_channel_freq
|| wpa_s
->roc_waiting_drv_freq
) {
2393 wpa_drv_cancel_remain_on_channel(wpa_s
);
2394 wpa_s
->off_channel_freq
= 0;
2395 wpa_s
->roc_waiting_drv_freq
= 0;
2397 wpa_drv_set_ap_wps_ie(wpa_s
, NULL
, NULL
, NULL
);
2400 * Don't cancel Probe Request RX reporting for a connected P2P Client
2401 * handling Probe Request frames.
2403 if (!wpa_s
->p2p_cli_probe
)
2404 wpa_drv_probe_req_report(wpa_s
, 0);
2406 wpas_p2p_listen_work_done(wpa_s
);
2410 static int wpas_send_probe_resp(void *ctx
, const struct wpabuf
*buf
,
2413 struct wpa_supplicant
*wpa_s
= ctx
;
2414 return wpa_drv_send_mlme(wpa_s
, wpabuf_head(buf
), wpabuf_len(buf
), 1,
2419 static void wpas_prov_disc_local_display(struct wpa_supplicant
*wpa_s
,
2420 const u8
*peer
, const char *params
,
2421 unsigned int generated_pin
)
2423 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_PROV_DISC_SHOW_PIN MACSTR
2424 " %08d%s", MAC2STR(peer
), generated_pin
, params
);
2428 static void wpas_prov_disc_local_keypad(struct wpa_supplicant
*wpa_s
,
2429 const u8
*peer
, const char *params
)
2431 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_PROV_DISC_ENTER_PIN MACSTR
2432 "%s", MAC2STR(peer
), params
);
2436 static void wpas_prov_disc_req(void *ctx
, const u8
*peer
, u16 config_methods
,
2437 const u8
*dev_addr
, const u8
*pri_dev_type
,
2438 const char *dev_name
, u16 supp_config_methods
,
2439 u8 dev_capab
, u8 group_capab
, const u8
*group_id
,
2440 size_t group_id_len
)
2442 struct wpa_supplicant
*wpa_s
= ctx
;
2443 char devtype
[WPS_DEV_TYPE_BUFSIZE
];
2445 u8 empty_dev_type
[8];
2446 unsigned int generated_pin
= 0;
2447 struct wpa_supplicant
*group
= NULL
;
2451 for (group
= wpa_s
->global
->ifaces
; group
; group
= group
->next
)
2453 struct wpa_ssid
*s
= group
->current_ssid
;
2455 s
->mode
== WPAS_MODE_P2P_GO
&&
2456 group_id_len
- ETH_ALEN
== s
->ssid_len
&&
2457 os_memcmp(group_id
+ ETH_ALEN
, s
->ssid
,
2463 if (pri_dev_type
== NULL
) {
2464 os_memset(empty_dev_type
, 0, sizeof(empty_dev_type
));
2465 pri_dev_type
= empty_dev_type
;
2467 res
= os_snprintf(params
, sizeof(params
), " p2p_dev_addr=" MACSTR
2468 " pri_dev_type=%s name='%s' config_methods=0x%x "
2469 "dev_capab=0x%x group_capab=0x%x%s%s",
2471 wps_dev_type_bin2str(pri_dev_type
, devtype
,
2473 dev_name
, supp_config_methods
, dev_capab
, group_capab
,
2474 group
? " group=" : "",
2475 group
? group
->ifname
: "");
2476 if (os_snprintf_error(sizeof(params
), res
))
2477 wpa_printf(MSG_DEBUG
, "P2P: PD Request event truncated");
2478 params
[sizeof(params
) - 1] = '\0';
2480 if (config_methods
& WPS_CONFIG_DISPLAY
) {
2481 generated_pin
= wps_generate_pin();
2482 wpas_prov_disc_local_display(wpa_s
, peer
, params
,
2484 } else if (config_methods
& WPS_CONFIG_KEYPAD
)
2485 wpas_prov_disc_local_keypad(wpa_s
, peer
, params
);
2486 else if (config_methods
& WPS_CONFIG_PUSHBUTTON
)
2487 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_PROV_DISC_PBC_REQ
2488 MACSTR
"%s", MAC2STR(peer
), params
);
2490 wpas_notify_p2p_provision_discovery(wpa_s
, peer
, 1 /* request */,
2491 P2P_PROV_DISC_SUCCESS
,
2492 config_methods
, generated_pin
);
2496 static void wpas_prov_disc_resp(void *ctx
, const u8
*peer
, u16 config_methods
)
2498 struct wpa_supplicant
*wpa_s
= ctx
;
2499 unsigned int generated_pin
= 0;
2502 if (wpa_s
->pending_pd_before_join
&&
2503 (os_memcmp(peer
, wpa_s
->pending_join_dev_addr
, ETH_ALEN
) == 0 ||
2504 os_memcmp(peer
, wpa_s
->pending_join_iface_addr
, ETH_ALEN
) == 0)) {
2505 wpa_s
->pending_pd_before_join
= 0;
2506 wpa_printf(MSG_DEBUG
, "P2P: Starting pending "
2507 "join-existing-group operation");
2508 wpas_p2p_join_start(wpa_s
, 0, NULL
, 0);
2512 if (wpa_s
->pending_pd_use
== AUTO_PD_JOIN
||
2513 wpa_s
->pending_pd_use
== AUTO_PD_GO_NEG
) {
2516 res
= os_snprintf(params
, sizeof(params
), " peer_go=%d",
2517 wpa_s
->pending_pd_use
== AUTO_PD_JOIN
);
2518 if (os_snprintf_error(sizeof(params
), res
))
2519 params
[sizeof(params
) - 1] = '\0';
2523 if (config_methods
& WPS_CONFIG_DISPLAY
)
2524 wpas_prov_disc_local_keypad(wpa_s
, peer
, params
);
2525 else if (config_methods
& WPS_CONFIG_KEYPAD
) {
2526 generated_pin
= wps_generate_pin();
2527 wpas_prov_disc_local_display(wpa_s
, peer
, params
,
2529 } else if (config_methods
& WPS_CONFIG_PUSHBUTTON
)
2530 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_PROV_DISC_PBC_RESP
2531 MACSTR
"%s", MAC2STR(peer
), params
);
2533 wpas_notify_p2p_provision_discovery(wpa_s
, peer
, 0 /* response */,
2534 P2P_PROV_DISC_SUCCESS
,
2535 config_methods
, generated_pin
);
2539 static void wpas_prov_disc_fail(void *ctx
, const u8
*peer
,
2540 enum p2p_prov_disc_status status
,
2541 u32 adv_id
, const u8
*adv_mac
,
2542 const char *deferred_session_resp
)
2544 struct wpa_supplicant
*wpa_s
= ctx
;
2546 if (wpa_s
->p2p_fallback_to_go_neg
) {
2547 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: PD for p2p_connect-auto "
2548 "failed - fall back to GO Negotiation");
2549 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
2550 P2P_EVENT_FALLBACK_TO_GO_NEG
2551 "reason=PD-failed");
2552 wpas_p2p_fallback_to_go_neg(wpa_s
, 0);
2556 if (status
== P2P_PROV_DISC_TIMEOUT_JOIN
) {
2557 wpa_s
->pending_pd_before_join
= 0;
2558 wpa_printf(MSG_DEBUG
, "P2P: Starting pending "
2559 "join-existing-group operation (no ACK for PD "
2561 wpas_p2p_join_start(wpa_s
, 0, NULL
, 0);
2565 if (adv_id
&& adv_mac
&& deferred_session_resp
) {
2566 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_PROV_DISC_FAILURE
2567 " p2p_dev_addr=" MACSTR
" status=%d adv_id=%x"
2568 " deferred_session_resp='%s'",
2569 MAC2STR(peer
), status
, adv_id
,
2570 deferred_session_resp
);
2571 } else if (adv_id
&& adv_mac
) {
2572 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_PROV_DISC_FAILURE
2573 " p2p_dev_addr=" MACSTR
" status=%d adv_id=%x",
2574 MAC2STR(peer
), status
, adv_id
);
2576 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_PROV_DISC_FAILURE
2577 " p2p_dev_addr=" MACSTR
" status=%d",
2578 MAC2STR(peer
), status
);
2581 wpas_notify_p2p_provision_discovery(wpa_s
, peer
, 0 /* response */,
2586 static int freq_included(const struct p2p_channels
*channels
, unsigned int freq
)
2588 if (channels
== NULL
)
2589 return 1; /* Assume no restrictions */
2590 return p2p_channels_includes_freq(channels
, freq
);
2596 * Pick the best frequency to use from all the currently used frequencies.
2598 static int wpas_p2p_pick_best_used_freq(struct wpa_supplicant
*wpa_s
,
2599 struct wpa_used_freq_data
*freqs
,
2604 /* find a candidate freq that is supported by P2P */
2605 for (c
= 0; c
< num
; c
++)
2606 if (p2p_supported_freq(wpa_s
->global
->p2p
, freqs
[c
].freq
))
2612 /* once we have a candidate, try to find a 'better' one */
2613 for (i
= c
+ 1; i
< num
; i
++) {
2614 if (!p2p_supported_freq(wpa_s
->global
->p2p
, freqs
[i
].freq
))
2618 * 1. Infrastructure station interfaces have higher preference.
2619 * 2. P2P Clients have higher preference.
2622 if (freqs
[i
].flags
& WPA_FREQ_USED_BY_INFRA_STATION
) {
2627 if ((freqs
[i
].flags
& WPA_FREQ_USED_BY_P2P_CLIENT
))
2630 return freqs
[c
].freq
;
2634 static u8
wpas_invitation_process(void *ctx
, const u8
*sa
, const u8
*bssid
,
2635 const u8
*go_dev_addr
, const u8
*ssid
,
2636 size_t ssid_len
, int *go
, u8
*group_bssid
,
2637 int *force_freq
, int persistent_group
,
2638 const struct p2p_channels
*channels
,
2641 struct wpa_supplicant
*wpa_s
= ctx
;
2643 struct wpa_used_freq_data
*freqs
;
2644 struct wpa_supplicant
*grp
;
2647 if (!persistent_group
) {
2648 wpa_printf(MSG_DEBUG
, "P2P: Invitation from " MACSTR
2649 " to join an active group (SSID: %s)",
2650 MAC2STR(sa
), wpa_ssid_txt(ssid
, ssid_len
));
2651 if (!is_zero_ether_addr(wpa_s
->p2p_auth_invite
) &&
2652 (os_memcmp(go_dev_addr
, wpa_s
->p2p_auth_invite
, ETH_ALEN
)
2654 os_memcmp(sa
, wpa_s
->p2p_auth_invite
, ETH_ALEN
) == 0)) {
2655 wpa_printf(MSG_DEBUG
, "P2P: Accept previously "
2656 "authorized invitation");
2660 #ifdef CONFIG_WPS_NFC
2661 if (dev_pw_id
>= 0 && wpa_s
->p2p_nfc_tag_enabled
&&
2662 dev_pw_id
== wpa_s
->p2p_oob_dev_pw_id
) {
2663 wpa_printf(MSG_DEBUG
, "P2P: Accept invitation based on local enabled NFC Tag");
2664 wpa_s
->p2p_wps_method
= WPS_NFC
;
2665 wpa_s
->pending_join_wps_method
= WPS_NFC
;
2666 os_memcpy(wpa_s
->pending_join_dev_addr
,
2667 go_dev_addr
, ETH_ALEN
);
2668 os_memcpy(wpa_s
->pending_join_iface_addr
,
2672 #endif /* CONFIG_WPS_NFC */
2675 * Do not accept the invitation automatically; notify user and
2678 return P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE
;
2681 grp
= wpas_get_p2p_group(wpa_s
, ssid
, ssid_len
, go
);
2683 wpa_printf(MSG_DEBUG
, "P2P: Accept invitation to already "
2684 "running persistent group");
2686 os_memcpy(group_bssid
, grp
->own_addr
, ETH_ALEN
);
2690 if (!is_zero_ether_addr(wpa_s
->p2p_auth_invite
) &&
2691 os_memcmp(sa
, wpa_s
->p2p_auth_invite
, ETH_ALEN
) == 0) {
2692 wpa_printf(MSG_DEBUG
, "P2P: Accept previously initiated "
2693 "invitation to re-invoke a persistent group");
2694 os_memset(wpa_s
->p2p_auth_invite
, 0, ETH_ALEN
);
2695 } else if (!wpa_s
->conf
->persistent_reconnect
)
2696 return P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE
;
2698 for (s
= wpa_s
->conf
->ssid
; s
; s
= s
->next
) {
2699 if (s
->disabled
== 2 &&
2700 os_memcmp(s
->bssid
, go_dev_addr
, ETH_ALEN
) == 0 &&
2701 s
->ssid_len
== ssid_len
&&
2702 os_memcmp(ssid
, s
->ssid
, ssid_len
) == 0)
2707 wpa_printf(MSG_DEBUG
, "P2P: Invitation from " MACSTR
2708 " requested reinvocation of an unknown group",
2710 return P2P_SC_FAIL_UNKNOWN_GROUP
;
2713 if (s
->mode
== WPAS_MODE_P2P_GO
&& !wpas_p2p_create_iface(wpa_s
)) {
2715 if (wpa_s
->wpa_state
>= WPA_AUTHENTICATING
) {
2716 wpa_printf(MSG_DEBUG
, "P2P: The only available "
2717 "interface is already in use - reject "
2719 return P2P_SC_FAIL_UNABLE_TO_ACCOMMODATE
;
2721 os_memcpy(group_bssid
, wpa_s
->own_addr
, ETH_ALEN
);
2722 } else if (s
->mode
== WPAS_MODE_P2P_GO
) {
2724 if (wpas_p2p_add_group_interface(wpa_s
, WPA_IF_P2P_GO
) < 0)
2726 wpa_printf(MSG_ERROR
, "P2P: Failed to allocate a new "
2727 "interface address for the group");
2728 return P2P_SC_FAIL_UNABLE_TO_ACCOMMODATE
;
2730 os_memcpy(group_bssid
, wpa_s
->pending_interface_addr
,
2735 wpas_p2p_set_own_freq_preference(wpa_s
, 0);
2738 freqs
= os_calloc(wpa_s
->num_multichan_concurrent
,
2739 sizeof(struct wpa_used_freq_data
));
2741 int num_channels
= wpa_s
->num_multichan_concurrent
;
2742 int num
= wpas_p2p_valid_oper_freqs(wpa_s
, freqs
, num_channels
);
2743 best_freq
= wpas_p2p_pick_best_used_freq(wpa_s
, freqs
, num
);
2747 /* Get one of the frequencies currently in use */
2748 if (best_freq
> 0) {
2749 wpa_printf(MSG_DEBUG
, "P2P: Trying to prefer a channel already used by one of the interfaces");
2750 wpas_p2p_set_own_freq_preference(wpa_s
, best_freq
);
2752 if (wpa_s
->num_multichan_concurrent
< 2 ||
2753 wpas_p2p_num_unused_channels(wpa_s
) < 1) {
2754 wpa_printf(MSG_DEBUG
, "P2P: No extra channels available - trying to force channel to match a channel already used by one of the interfaces");
2755 *force_freq
= best_freq
;
2759 if (*force_freq
> 0 && wpa_s
->num_multichan_concurrent
> 1 &&
2760 wpas_p2p_num_unused_channels(wpa_s
) > 0) {
2762 /* We are the client */
2763 wpa_printf(MSG_DEBUG
, "P2P: Peer was found to be "
2764 "running a GO but we are capable of MCC, "
2765 "figure out the best channel to use");
2767 } else if (!freq_included(channels
, *force_freq
)) {
2768 /* We are the GO, and *force_freq is not in the
2770 wpa_printf(MSG_DEBUG
, "P2P: Forced GO freq %d MHz not "
2771 "in intersection but we are capable of MCC, "
2772 "figure out the best channel to use",
2778 return P2P_SC_SUCCESS
;
2782 static void wpas_invitation_received(void *ctx
, const u8
*sa
, const u8
*bssid
,
2783 const u8
*ssid
, size_t ssid_len
,
2784 const u8
*go_dev_addr
, u8 status
,
2787 struct wpa_supplicant
*wpa_s
= ctx
;
2790 for (s
= wpa_s
->conf
->ssid
; s
; s
= s
->next
) {
2791 if (s
->disabled
== 2 &&
2792 s
->ssid_len
== ssid_len
&&
2793 os_memcmp(ssid
, s
->ssid
, ssid_len
) == 0)
2797 if (status
== P2P_SC_SUCCESS
) {
2798 wpa_printf(MSG_DEBUG
, "P2P: Invitation from peer " MACSTR
2799 " was accepted; op_freq=%d MHz, SSID=%s",
2800 MAC2STR(sa
), op_freq
, wpa_ssid_txt(ssid
, ssid_len
));
2802 int go
= s
->mode
== WPAS_MODE_P2P_GO
;
2803 wpas_p2p_group_add_persistent(
2804 wpa_s
, s
, go
, 0, op_freq
, 0, 0, NULL
,
2805 go
? P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE
: 0);
2807 wpa_s
->user_initiated_pd
= 0;
2808 wpas_p2p_join(wpa_s
, bssid
, go_dev_addr
,
2809 wpa_s
->p2p_wps_method
, 0, op_freq
,
2815 if (status
!= P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE
) {
2816 wpa_printf(MSG_DEBUG
, "P2P: Invitation from peer " MACSTR
2817 " was rejected (status %u)", MAC2STR(sa
), status
);
2823 wpa_msg_global(wpa_s
, MSG_INFO
,
2824 P2P_EVENT_INVITATION_RECEIVED
2825 "sa=" MACSTR
" go_dev_addr=" MACSTR
2826 " bssid=" MACSTR
" unknown-network",
2827 MAC2STR(sa
), MAC2STR(go_dev_addr
),
2830 wpa_msg_global(wpa_s
, MSG_INFO
,
2831 P2P_EVENT_INVITATION_RECEIVED
2832 "sa=" MACSTR
" go_dev_addr=" MACSTR
2834 MAC2STR(sa
), MAC2STR(go_dev_addr
));
2839 if (s
->mode
== WPAS_MODE_P2P_GO
&& op_freq
) {
2840 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_INVITATION_RECEIVED
2841 "sa=" MACSTR
" persistent=%d freq=%d",
2842 MAC2STR(sa
), s
->id
, op_freq
);
2844 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_INVITATION_RECEIVED
2845 "sa=" MACSTR
" persistent=%d",
2846 MAC2STR(sa
), s
->id
);
2851 static void wpas_remove_persistent_peer(struct wpa_supplicant
*wpa_s
,
2852 struct wpa_ssid
*ssid
,
2853 const u8
*peer
, int inv
)
2856 struct wpa_supplicant
*p2p_wpa_s
= wpa_s
->global
->p2p_init_wpa_s
;
2861 for (i
= 0; ssid
->p2p_client_list
&& i
< ssid
->num_p2p_clients
; i
++) {
2862 if (os_memcmp(ssid
->p2p_client_list
+ i
* 2 * ETH_ALEN
, peer
,
2866 if (i
>= ssid
->num_p2p_clients
|| !ssid
->p2p_client_list
) {
2867 if (ssid
->mode
!= WPAS_MODE_P2P_GO
&&
2868 os_memcmp(ssid
->bssid
, peer
, ETH_ALEN
) == 0) {
2869 wpa_printf(MSG_DEBUG
, "P2P: Remove persistent group %d "
2870 "due to invitation result", ssid
->id
);
2871 wpas_notify_network_removed(wpa_s
, ssid
);
2872 wpa_config_remove_network(wpa_s
->conf
, ssid
->id
);
2875 return; /* Peer not found in client list */
2878 wpa_printf(MSG_DEBUG
, "P2P: Remove peer " MACSTR
" from persistent "
2879 "group %d client list%s",
2880 MAC2STR(peer
), ssid
->id
,
2881 inv
? " due to invitation result" : "");
2882 os_memmove(ssid
->p2p_client_list
+ i
* 2 * ETH_ALEN
,
2883 ssid
->p2p_client_list
+ (i
+ 1) * 2 * ETH_ALEN
,
2884 (ssid
->num_p2p_clients
- i
- 1) * 2 * ETH_ALEN
);
2885 ssid
->num_p2p_clients
--;
2886 if (p2p_wpa_s
->conf
->update_config
&&
2887 wpa_config_write(p2p_wpa_s
->confname
, p2p_wpa_s
->conf
))
2888 wpa_printf(MSG_DEBUG
, "P2P: Failed to update configuration");
2892 static void wpas_remove_persistent_client(struct wpa_supplicant
*wpa_s
,
2895 struct wpa_ssid
*ssid
;
2897 wpa_s
= wpa_s
->global
->p2p_invite_group
;
2899 return; /* No known invitation group */
2900 ssid
= wpa_s
->current_ssid
;
2901 if (ssid
== NULL
|| ssid
->mode
!= WPAS_MODE_P2P_GO
||
2902 !ssid
->p2p_persistent_group
)
2903 return; /* Not operating as a GO in persistent group */
2904 ssid
= wpas_p2p_get_persistent(wpa_s
->parent
, peer
,
2905 ssid
->ssid
, ssid
->ssid_len
);
2906 wpas_remove_persistent_peer(wpa_s
, ssid
, peer
, 1);
2910 static void wpas_invitation_result(void *ctx
, int status
, const u8
*bssid
,
2911 const struct p2p_channels
*channels
,
2912 const u8
*peer
, int neg_freq
,
2915 struct wpa_supplicant
*wpa_s
= ctx
;
2916 struct wpa_ssid
*ssid
;
2920 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_INVITATION_RESULT
2921 "status=%d " MACSTR
,
2922 status
, MAC2STR(bssid
));
2924 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_INVITATION_RESULT
2925 "status=%d ", status
);
2927 wpas_notify_p2p_invitation_result(wpa_s
, status
, bssid
);
2929 wpa_printf(MSG_DEBUG
, "P2P: Invitation result - status=%d peer=" MACSTR
,
2930 status
, MAC2STR(peer
));
2931 if (wpa_s
->pending_invite_ssid_id
== -1) {
2932 if (status
== P2P_SC_FAIL_UNKNOWN_GROUP
)
2933 wpas_remove_persistent_client(wpa_s
, peer
);
2934 return; /* Invitation to active group */
2937 if (status
== P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE
) {
2938 wpa_printf(MSG_DEBUG
, "P2P: Waiting for peer to start another "
2939 "invitation exchange to indicate readiness for "
2943 if (status
!= P2P_SC_SUCCESS
) {
2944 if (status
== P2P_SC_FAIL_UNKNOWN_GROUP
) {
2945 ssid
= wpa_config_get_network(
2946 wpa_s
->conf
, wpa_s
->pending_invite_ssid_id
);
2947 wpas_remove_persistent_peer(wpa_s
, ssid
, peer
, 1);
2949 wpas_p2p_remove_pending_group_interface(wpa_s
);
2953 ssid
= wpa_config_get_network(wpa_s
->conf
,
2954 wpa_s
->pending_invite_ssid_id
);
2956 wpa_printf(MSG_ERROR
, "P2P: Could not find persistent group "
2957 "data matching with invitation");
2962 * The peer could have missed our ctrl::ack frame for Invitation
2963 * Response and continue retransmitting the frame. To reduce the
2964 * likelihood of the peer not getting successful TX status for the
2965 * Invitation Response frame, wait a short time here before starting
2966 * the persistent group so that we will remain on the current channel to
2967 * acknowledge any possible retransmission from the peer.
2969 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: 50 ms wait on current channel before "
2970 "starting persistent group");
2973 if (neg_freq
> 0 && ssid
->mode
== WPAS_MODE_P2P_GO
&&
2974 freq_included(channels
, neg_freq
))
2976 else if (peer_oper_freq
> 0 && ssid
->mode
!= WPAS_MODE_P2P_GO
&&
2977 freq_included(channels
, peer_oper_freq
))
2978 freq
= peer_oper_freq
;
2982 wpa_printf(MSG_DEBUG
, "P2P: Persistent group invitation success - op_freq=%d MHz SSID=%s",
2983 freq
, wpa_ssid_txt(ssid
->ssid
, ssid
->ssid_len
));
2984 wpas_p2p_group_add_persistent(wpa_s
, ssid
,
2985 ssid
->mode
== WPAS_MODE_P2P_GO
,
2986 wpa_s
->p2p_persistent_go_freq
,
2988 wpa_s
->p2p_go_ht40
, wpa_s
->p2p_go_vht
,
2990 ssid
->mode
== WPAS_MODE_P2P_GO
?
2991 P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE
:
2996 static int wpas_p2p_disallowed_freq(struct wpa_global
*global
,
2999 if (freq_range_list_includes(&global
->p2p_go_avoid_freq
, freq
))
3001 return freq_range_list_includes(&global
->p2p_disallow_freq
, freq
);
3005 static void wpas_p2p_add_chan(struct p2p_reg_class
*reg
, u8 chan
)
3007 reg
->channel
[reg
->channels
] = chan
;
3012 static int wpas_p2p_default_channels(struct wpa_supplicant
*wpa_s
,
3013 struct p2p_channels
*chan
,
3014 struct p2p_channels
*cli_chan
)
3018 wpa_s
->global
->p2p_24ghz_social_channels
= 1;
3020 os_memset(cli_chan
, 0, sizeof(*cli_chan
));
3022 wpa_printf(MSG_DEBUG
, "P2P: Enable operating classes for 2.4 GHz "
3025 /* Operating class 81 - 2.4 GHz band channels 1..13 */
3026 chan
->reg_class
[cla
].reg_class
= 81;
3027 chan
->reg_class
[cla
].channels
= 0;
3028 for (i
= 0; i
< 11; i
++) {
3029 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 2412 + i
* 5))
3030 wpas_p2p_add_chan(&chan
->reg_class
[cla
], i
+ 1);
3032 if (chan
->reg_class
[cla
].channels
)
3035 wpa_printf(MSG_DEBUG
, "P2P: Enable operating classes for lower 5 GHz "
3038 /* Operating class 115 - 5 GHz, channels 36-48 */
3039 chan
->reg_class
[cla
].reg_class
= 115;
3040 chan
->reg_class
[cla
].channels
= 0;
3041 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 5000 + 36 * 5))
3042 wpas_p2p_add_chan(&chan
->reg_class
[cla
], 36);
3043 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 5000 + 40 * 5))
3044 wpas_p2p_add_chan(&chan
->reg_class
[cla
], 40);
3045 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 5000 + 44 * 5))
3046 wpas_p2p_add_chan(&chan
->reg_class
[cla
], 44);
3047 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 5000 + 48 * 5))
3048 wpas_p2p_add_chan(&chan
->reg_class
[cla
], 48);
3049 if (chan
->reg_class
[cla
].channels
)
3052 wpa_printf(MSG_DEBUG
, "P2P: Enable operating classes for higher 5 GHz "
3055 /* Operating class 124 - 5 GHz, channels 149,153,157,161 */
3056 chan
->reg_class
[cla
].reg_class
= 124;
3057 chan
->reg_class
[cla
].channels
= 0;
3058 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 5000 + 149 * 5))
3059 wpas_p2p_add_chan(&chan
->reg_class
[cla
], 149);
3060 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 5000 + 153 * 5))
3061 wpas_p2p_add_chan(&chan
->reg_class
[cla
], 153);
3062 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 5000 + 156 * 5))
3063 wpas_p2p_add_chan(&chan
->reg_class
[cla
], 157);
3064 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 5000 + 161 * 5))
3065 wpas_p2p_add_chan(&chan
->reg_class
[cla
], 161);
3066 if (chan
->reg_class
[cla
].channels
)
3069 chan
->reg_classes
= cla
;
3074 static struct hostapd_hw_modes
* get_mode(struct hostapd_hw_modes
*modes
,
3076 enum hostapd_hw_mode mode
)
3080 for (i
= 0; i
< num_modes
; i
++) {
3081 if (modes
[i
].mode
== mode
)
3090 NOT_ALLOWED
, NO_IR
, ALLOWED
3093 static int has_channel(struct wpa_global
*global
,
3094 struct hostapd_hw_modes
*mode
, u8 chan
, int *flags
)
3099 freq
= (mode
->mode
== HOSTAPD_MODE_IEEE80211A
? 5000 : 2407) +
3101 if (wpas_p2p_disallowed_freq(global
, freq
))
3104 for (i
= 0; i
< mode
->num_channels
; i
++) {
3105 if (mode
->channels
[i
].chan
== chan
) {
3107 *flags
= mode
->channels
[i
].flag
;
3108 if (mode
->channels
[i
].flag
&
3109 (HOSTAPD_CHAN_DISABLED
|
3110 HOSTAPD_CHAN_RADAR
))
3112 if (mode
->channels
[i
].flag
& HOSTAPD_CHAN_NO_IR
)
3122 struct p2p_oper_class_map
{
3123 enum hostapd_hw_mode mode
;
3128 enum { BW20
, BW40PLUS
, BW40MINUS
, BW80
, BW2160
} bw
;
3131 static const struct p2p_oper_class_map op_class
[] = {
3132 { HOSTAPD_MODE_IEEE80211G
, 81, 1, 13, 1, BW20
},
3133 #if 0 /* Do not enable HT40 on 2 GHz for now */
3134 { HOSTAPD_MODE_IEEE80211G
, 83, 1, 9, 1, BW40PLUS
},
3135 { HOSTAPD_MODE_IEEE80211G
, 84, 5, 13, 1, BW40MINUS
},
3137 { HOSTAPD_MODE_IEEE80211A
, 115, 36, 48, 4, BW20
},
3138 { HOSTAPD_MODE_IEEE80211A
, 124, 149, 161, 4, BW20
},
3139 { HOSTAPD_MODE_IEEE80211A
, 125, 149, 169, 4, BW20
},
3140 { HOSTAPD_MODE_IEEE80211A
, 116, 36, 44, 8, BW40PLUS
},
3141 { HOSTAPD_MODE_IEEE80211A
, 117, 40, 48, 8, BW40MINUS
},
3142 { HOSTAPD_MODE_IEEE80211A
, 126, 149, 157, 8, BW40PLUS
},
3143 { HOSTAPD_MODE_IEEE80211A
, 127, 153, 161, 8, BW40MINUS
},
3146 * IEEE P802.11ac/D7.0 Table E-4 actually talks about channel center
3147 * frequency index 42, 58, 106, 122, 138, 155 with channel spacing of
3148 * 80 MHz, but currently use the following definition for simplicity
3149 * (these center frequencies are not actual channels, which makes
3150 * has_channel() fail). wpas_p2p_verify_80mhz() should take care of
3151 * removing invalid channels.
3153 { HOSTAPD_MODE_IEEE80211A
, 128, 36, 161, 4, BW80
},
3154 { HOSTAPD_MODE_IEEE80211AD
, 180, 1, 4, 1, BW2160
},
3155 { -1, 0, 0, 0, 0, BW20
}
3159 static int wpas_p2p_get_center_80mhz(struct wpa_supplicant
*wpa_s
,
3160 struct hostapd_hw_modes
*mode
,
3163 u8 center_channels
[] = { 42, 58, 106, 122, 138, 155 };
3166 if (mode
->mode
!= HOSTAPD_MODE_IEEE80211A
)
3169 for (i
= 0; i
< ARRAY_SIZE(center_channels
); i
++)
3171 * In 80 MHz, the bandwidth "spans" 12 channels (e.g., 36-48),
3172 * so the center channel is 6 channels away from the start/end.
3174 if (channel
>= center_channels
[i
] - 6 &&
3175 channel
<= center_channels
[i
] + 6)
3176 return center_channels
[i
];
3182 static enum chan_allowed
wpas_p2p_verify_80mhz(struct wpa_supplicant
*wpa_s
,
3183 struct hostapd_hw_modes
*mode
,
3188 enum chan_allowed res
, ret
= ALLOWED
;
3190 center_chan
= wpas_p2p_get_center_80mhz(wpa_s
, mode
, channel
);
3193 if (center_chan
>= 58 && center_chan
<= 138)
3194 return NOT_ALLOWED
; /* Do not allow DFS channels for P2P */
3196 /* check all the channels are available */
3197 for (i
= 0; i
< 4; i
++) {
3198 int adj_chan
= center_chan
- 6 + i
* 4;
3200 res
= has_channel(wpa_s
->global
, mode
, adj_chan
, &flags
);
3201 if (res
== NOT_ALLOWED
)
3206 if (i
== 0 && !(flags
& HOSTAPD_CHAN_VHT_10_70
))
3208 if (i
== 1 && !(flags
& HOSTAPD_CHAN_VHT_30_50
))
3210 if (i
== 2 && !(flags
& HOSTAPD_CHAN_VHT_50_30
))
3212 if (i
== 3 && !(flags
& HOSTAPD_CHAN_VHT_70_10
))
3220 static enum chan_allowed
wpas_p2p_verify_channel(struct wpa_supplicant
*wpa_s
,
3221 struct hostapd_hw_modes
*mode
,
3225 enum chan_allowed res
, res2
;
3227 res2
= res
= has_channel(wpa_s
->global
, mode
, channel
, &flag
);
3228 if (bw
== BW40MINUS
) {
3229 if (!(flag
& HOSTAPD_CHAN_HT40MINUS
))
3231 res2
= has_channel(wpa_s
->global
, mode
, channel
- 4, NULL
);
3232 } else if (bw
== BW40PLUS
) {
3233 if (!(flag
& HOSTAPD_CHAN_HT40PLUS
))
3235 res2
= has_channel(wpa_s
->global
, mode
, channel
+ 4, NULL
);
3236 } else if (bw
== BW80
) {
3237 res2
= wpas_p2p_verify_80mhz(wpa_s
, mode
, channel
, bw
);
3240 if (res
== NOT_ALLOWED
|| res2
== NOT_ALLOWED
)
3242 if (res
== NO_IR
|| res2
== NO_IR
)
3248 static int wpas_p2p_setup_channels(struct wpa_supplicant
*wpa_s
,
3249 struct p2p_channels
*chan
,
3250 struct p2p_channels
*cli_chan
)
3252 struct hostapd_hw_modes
*mode
;
3253 int cla
, op
, cli_cla
;
3255 if (wpa_s
->hw
.modes
== NULL
) {
3256 wpa_printf(MSG_DEBUG
, "P2P: Driver did not support fetching "
3257 "of all supported channels; assume dualband "
3259 return wpas_p2p_default_channels(wpa_s
, chan
, cli_chan
);
3264 for (op
= 0; op_class
[op
].op_class
; op
++) {
3265 const struct p2p_oper_class_map
*o
= &op_class
[op
];
3267 struct p2p_reg_class
*reg
= NULL
, *cli_reg
= NULL
;
3269 mode
= get_mode(wpa_s
->hw
.modes
, wpa_s
->hw
.num_modes
, o
->mode
);
3272 if (mode
->mode
== HOSTAPD_MODE_IEEE80211G
)
3273 wpa_s
->global
->p2p_24ghz_social_channels
= 1;
3274 for (ch
= o
->min_chan
; ch
<= o
->max_chan
; ch
+= o
->inc
) {
3275 enum chan_allowed res
;
3276 res
= wpas_p2p_verify_channel(wpa_s
, mode
, ch
, o
->bw
);
3277 if (res
== ALLOWED
) {
3279 wpa_printf(MSG_DEBUG
, "P2P: Add operating class %u",
3281 reg
= &chan
->reg_class
[cla
];
3283 reg
->reg_class
= o
->op_class
;
3285 reg
->channel
[reg
->channels
] = ch
;
3287 } else if (res
== NO_IR
&&
3288 wpa_s
->conf
->p2p_add_cli_chan
) {
3289 if (cli_reg
== NULL
) {
3290 wpa_printf(MSG_DEBUG
, "P2P: Add operating class %u (client only)",
3292 cli_reg
= &cli_chan
->reg_class
[cli_cla
];
3294 cli_reg
->reg_class
= o
->op_class
;
3296 cli_reg
->channel
[cli_reg
->channels
] = ch
;
3297 cli_reg
->channels
++;
3301 wpa_hexdump(MSG_DEBUG
, "P2P: Channels",
3302 reg
->channel
, reg
->channels
);
3305 wpa_hexdump(MSG_DEBUG
, "P2P: Channels (client only)",
3306 cli_reg
->channel
, cli_reg
->channels
);
3310 chan
->reg_classes
= cla
;
3311 cli_chan
->reg_classes
= cli_cla
;
3317 int wpas_p2p_get_ht40_mode(struct wpa_supplicant
*wpa_s
,
3318 struct hostapd_hw_modes
*mode
, u8 channel
)
3321 enum chan_allowed ret
;
3323 for (op
= 0; op_class
[op
].op_class
; op
++) {
3324 const struct p2p_oper_class_map
*o
= &op_class
[op
];
3327 for (ch
= o
->min_chan
; ch
<= o
->max_chan
; ch
+= o
->inc
) {
3328 if (o
->mode
!= HOSTAPD_MODE_IEEE80211A
||
3329 (o
->bw
!= BW40PLUS
&& o
->bw
!= BW40MINUS
) ||
3332 ret
= wpas_p2p_verify_channel(wpa_s
, mode
, ch
, o
->bw
);
3334 return (o
->bw
== BW40MINUS
) ? -1 : 1;
3341 int wpas_p2p_get_vht80_center(struct wpa_supplicant
*wpa_s
,
3342 struct hostapd_hw_modes
*mode
, u8 channel
)
3344 if (!wpas_p2p_verify_channel(wpa_s
, mode
, channel
, BW80
))
3347 return wpas_p2p_get_center_80mhz(wpa_s
, mode
, channel
);
3351 static int wpas_get_noa(void *ctx
, const u8
*interface_addr
, u8
*buf
,
3354 struct wpa_supplicant
*wpa_s
= ctx
;
3356 for (wpa_s
= wpa_s
->global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
3357 if (os_memcmp(wpa_s
->own_addr
, interface_addr
, ETH_ALEN
) == 0)
3363 return wpa_drv_get_noa(wpa_s
, buf
, buf_len
);
3367 struct wpa_supplicant
* wpas_get_p2p_go_iface(struct wpa_supplicant
*wpa_s
,
3368 const u8
*ssid
, size_t ssid_len
)
3370 for (wpa_s
= wpa_s
->global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
3371 struct wpa_ssid
*s
= wpa_s
->current_ssid
;
3374 if (s
->mode
!= WPAS_MODE_P2P_GO
&&
3375 s
->mode
!= WPAS_MODE_AP
&&
3376 s
->mode
!= WPAS_MODE_P2P_GROUP_FORMATION
)
3378 if (s
->ssid_len
!= ssid_len
||
3379 os_memcmp(ssid
, s
->ssid
, ssid_len
) != 0)
3389 struct wpa_supplicant
* wpas_get_p2p_client_iface(struct wpa_supplicant
*wpa_s
,
3390 const u8
*peer_dev_addr
)
3392 for (wpa_s
= wpa_s
->global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
3393 struct wpa_ssid
*ssid
= wpa_s
->current_ssid
;
3396 if (ssid
->mode
!= WPAS_MODE_INFRA
)
3398 if (wpa_s
->wpa_state
!= WPA_COMPLETED
&&
3399 wpa_s
->wpa_state
!= WPA_GROUP_HANDSHAKE
)
3401 if (os_memcmp(wpa_s
->go_dev_addr
, peer_dev_addr
, ETH_ALEN
) == 0)
3409 static int wpas_go_connected(void *ctx
, const u8
*dev_addr
)
3411 struct wpa_supplicant
*wpa_s
= ctx
;
3413 return wpas_get_p2p_client_iface(wpa_s
, dev_addr
) != NULL
;
3417 static int wpas_is_concurrent_session_active(void *ctx
)
3419 struct wpa_supplicant
*wpa_s
= ctx
;
3420 struct wpa_supplicant
*ifs
;
3422 for (ifs
= wpa_s
->global
->ifaces
; ifs
; ifs
= ifs
->next
) {
3425 if (ifs
->wpa_state
> WPA_ASSOCIATED
)
3432 static void wpas_p2p_debug_print(void *ctx
, int level
, const char *msg
)
3434 struct wpa_supplicant
*wpa_s
= ctx
;
3435 wpa_msg_global(wpa_s
, level
, "P2P: %s", msg
);
3439 int wpas_p2p_add_p2pdev_interface(struct wpa_supplicant
*wpa_s
,
3440 const char *conf_p2p_dev
)
3442 struct wpa_interface iface
;
3443 struct wpa_supplicant
*p2pdev_wpa_s
;
3445 char force_name
[100];
3448 ret
= os_snprintf(ifname
, sizeof(ifname
), P2P_MGMT_DEVICE_PREFIX
"%s",
3450 if (os_snprintf_error(sizeof(ifname
), ret
))
3452 force_name
[0] = '\0';
3453 wpa_s
->pending_interface_type
= WPA_IF_P2P_DEVICE
;
3454 ret
= wpa_drv_if_add(wpa_s
, WPA_IF_P2P_DEVICE
, ifname
, NULL
, NULL
,
3455 force_name
, wpa_s
->pending_interface_addr
, NULL
);
3457 wpa_printf(MSG_DEBUG
, "P2P: Failed to create P2P Device interface");
3460 os_strlcpy(wpa_s
->pending_interface_name
, ifname
,
3461 sizeof(wpa_s
->pending_interface_name
));
3463 os_memset(&iface
, 0, sizeof(iface
));
3465 iface
.ifname
= wpa_s
->pending_interface_name
;
3466 iface
.driver
= wpa_s
->driver
->name
;
3467 iface
.driver_param
= wpa_s
->conf
->driver_param
;
3470 * If a P2P Device configuration file was given, use it as the interface
3471 * configuration file (instead of using parent's configuration file.
3474 iface
.confname
= conf_p2p_dev
;
3475 iface
.ctrl_interface
= NULL
;
3477 iface
.confname
= wpa_s
->confname
;
3478 iface
.ctrl_interface
= wpa_s
->conf
->ctrl_interface
;
3481 p2pdev_wpa_s
= wpa_supplicant_add_iface(wpa_s
->global
, &iface
, wpa_s
);
3482 if (!p2pdev_wpa_s
) {
3483 wpa_printf(MSG_DEBUG
, "P2P: Failed to add P2P Device interface");
3487 wpa_s
->pending_interface_name
[0] = '\0';
3492 static void wpas_presence_resp(void *ctx
, const u8
*src
, u8 status
,
3493 const u8
*noa
, size_t noa_len
)
3495 struct wpa_supplicant
*wpa_s
, *intf
= ctx
;
3498 for (wpa_s
= intf
->global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
3499 if (wpa_s
->waiting_presence_resp
)
3503 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: No group interface was waiting for presence response");
3506 wpa_s
->waiting_presence_resp
= 0;
3508 wpa_snprintf_hex(hex
, sizeof(hex
), noa
, noa_len
);
3509 wpa_msg(wpa_s
, MSG_INFO
, P2P_EVENT_PRESENCE_RESPONSE
"src=" MACSTR
3510 " status=%u noa=%s", MAC2STR(src
), status
, hex
);
3514 static int wpas_get_persistent_group(void *ctx
, const u8
*addr
, const u8
*ssid
,
3515 size_t ssid_len
, u8
*go_dev_addr
,
3516 u8
*ret_ssid
, size_t *ret_ssid_len
,
3517 u8
*intended_iface_addr
)
3519 struct wpa_supplicant
*wpa_s
= ctx
;
3522 s
= wpas_p2p_get_persistent(wpa_s
, addr
, ssid
, ssid_len
);
3524 os_memcpy(ret_ssid
, s
->ssid
, s
->ssid_len
);
3525 *ret_ssid_len
= s
->ssid_len
;
3526 os_memcpy(go_dev_addr
, s
->bssid
, ETH_ALEN
);
3528 if (s
->mode
!= WPAS_MODE_P2P_GO
) {
3529 os_memset(intended_iface_addr
, 0, ETH_ALEN
);
3530 } else if (wpas_p2p_create_iface(wpa_s
)) {
3531 if (wpas_p2p_add_group_interface(wpa_s
, WPA_IF_P2P_GO
))
3534 os_memcpy(intended_iface_addr
,
3535 wpa_s
->pending_interface_addr
, ETH_ALEN
);
3537 os_memcpy(intended_iface_addr
, wpa_s
->own_addr
,
3547 static int wpas_get_go_info(void *ctx
, u8
*intended_addr
,
3548 u8
*ssid
, size_t *ssid_len
, int *group_iface
)
3550 struct wpa_supplicant
*wpa_s
= ctx
;
3555 * group_iface will be set to 1 only if a dedicated interface for P2P
3556 * role is required. First, we try to reuse an active GO. However,
3557 * if it is not present, we will try to reactivate an existing
3558 * persistent group and set group_iface to 1, so the caller will know
3559 * that the pending interface should be used.
3562 s
= wpas_p2p_group_go_ssid(wpa_s
, bssid
);
3564 s
= wpas_p2p_get_persistent_go(wpa_s
);
3565 *group_iface
= wpas_p2p_create_iface(wpa_s
);
3567 os_memcpy(bssid
, s
->bssid
, ETH_ALEN
);
3572 os_memcpy(intended_addr
, bssid
, ETH_ALEN
);
3573 os_memcpy(ssid
, s
->ssid
, s
->ssid_len
);
3574 *ssid_len
= s
->ssid_len
;
3580 static int wpas_remove_stale_groups(void *ctx
, const u8
*peer
, const u8
*go
,
3581 const u8
*ssid
, size_t ssid_len
)
3583 struct wpa_supplicant
*wpa_s
= ctx
;
3585 int save_config
= 0;
3588 /* Start with our first choice of Persistent Groups */
3589 while ((s
= wpas_p2p_get_persistent(wpa_s
, peer
, NULL
, 0))) {
3590 if (go
&& ssid
&& ssid_len
&&
3591 s
->ssid_len
== ssid_len
&&
3592 os_memcmp(go
, s
->bssid
, ETH_ALEN
) == 0 &&
3593 os_memcmp(ssid
, s
->ssid
, ssid_len
) == 0)
3596 /* Remove stale persistent group */
3597 if (s
->mode
!= WPAS_MODE_P2P_GO
|| s
->num_p2p_clients
<= 1) {
3598 wpa_config_remove_network(wpa_s
->conf
, s
->id
);
3603 for (i
= 0; i
< s
->num_p2p_clients
; i
++) {
3604 if (os_memcmp(s
->p2p_client_list
+ i
* 2 * ETH_ALEN
,
3605 peer
, ETH_ALEN
) != 0)
3608 os_memmove(s
->p2p_client_list
+ i
* 2 * ETH_ALEN
,
3609 s
->p2p_client_list
+ (i
+ 1) * 2 * ETH_ALEN
,
3610 (s
->num_p2p_clients
- i
- 1) * 2 * ETH_ALEN
);
3613 s
->num_p2p_clients
--;
3618 p2p_config_write(wpa_s
);
3620 /* Return TRUE if valid SSID remains */
3625 static void wpas_p2ps_get_feat_cap_str(char *buf
, size_t buf_len
,
3626 const u8
*feat_cap
, size_t feat_cap_len
)
3628 static const char pref
[] = " feature_cap=";
3634 * We expect a feature capability to contain at least one byte to be
3635 * reported. The string buffer provided by the caller function is
3636 * expected to be big enough to contain all bytes of the attribute for
3637 * known specifications. This function truncates the reported bytes if
3638 * the feature capability data exceeds the string buffer size.
3640 if (!feat_cap
|| !feat_cap_len
|| buf_len
< sizeof(pref
) + 2)
3643 os_memcpy(buf
, pref
, sizeof(pref
));
3644 ret
= wpa_snprintf_hex(&buf
[sizeof(pref
) - 1],
3645 buf_len
- sizeof(pref
) + 1,
3646 feat_cap
, feat_cap_len
);
3648 if (ret
!= (2 * (int) feat_cap_len
))
3649 wpa_printf(MSG_WARNING
, "P2PS feature_cap bytes truncated");
3653 static void wpas_p2ps_prov_complete(void *ctx
, u8 status
, const u8
*dev
,
3654 const u8
*adv_mac
, const u8
*ses_mac
,
3655 const u8
*grp_mac
, u32 adv_id
, u32 ses_id
,
3656 u8 conncap
, int passwd_id
,
3657 const u8
*persist_ssid
,
3658 size_t persist_ssid_size
, int response_done
,
3659 int prov_start
, const char *session_info
,
3660 const u8
*feat_cap
, size_t feat_cap_len
)
3662 struct wpa_supplicant
*wpa_s
= ctx
;
3664 struct wpa_ssid
*persistent_go
, *stale
, *s
;
3665 int save_config
= 0;
3666 struct wpa_supplicant
*go_wpa_s
;
3667 char feat_cap_str
[256];
3672 os_memset(mac
, 0, ETH_ALEN
);
3680 wpas_p2ps_get_feat_cap_str(feat_cap_str
, sizeof(feat_cap_str
),
3681 feat_cap
, feat_cap_len
);
3684 if (session_info
== NULL
) {
3685 wpa_msg_global(wpa_s
, MSG_INFO
,
3686 P2P_EVENT_P2PS_PROVISION_START MACSTR
3687 " adv_id=%x conncap=%x"
3689 " session=%x mac=" MACSTR
3690 " dev_passwd_id=%d%s",
3691 MAC2STR(dev
), adv_id
, conncap
,
3693 ses_id
, MAC2STR(ses_mac
),
3694 passwd_id
, feat_cap_str
);
3696 wpa_msg_global(wpa_s
, MSG_INFO
,
3697 P2P_EVENT_P2PS_PROVISION_START MACSTR
3698 " adv_id=%x conncap=%x"
3700 " session=%x mac=" MACSTR
3701 " dev_passwd_id=%d info='%s'%s",
3702 MAC2STR(dev
), adv_id
, conncap
,
3704 ses_id
, MAC2STR(ses_mac
),
3705 passwd_id
, session_info
, feat_cap_str
);
3710 go_wpa_s
= wpas_p2p_get_go_group(wpa_s
);
3711 persistent_go
= wpas_p2p_get_persistent_go(wpa_s
);
3713 if (status
&& status
!= P2P_SC_SUCCESS_DEFERRED
) {
3714 if (go_wpa_s
&& !p2p_group_go_member_count(wpa_s
))
3715 wpas_p2p_group_remove(wpa_s
, go_wpa_s
->ifname
);
3717 if (persistent_go
&& !persistent_go
->num_p2p_clients
) {
3718 /* remove empty persistent GO */
3719 wpa_config_remove_network(wpa_s
->conf
,
3723 wpa_msg_global(wpa_s
, MSG_INFO
,
3724 P2P_EVENT_P2PS_PROVISION_DONE MACSTR
3726 " adv_id=%x adv_mac=" MACSTR
3727 " session=%x mac=" MACSTR
"%s",
3728 MAC2STR(dev
), status
,
3729 adv_id
, MAC2STR(adv_mac
),
3730 ses_id
, MAC2STR(ses_mac
), feat_cap_str
);
3734 /* Clean up stale persistent groups with this device */
3735 s
= wpas_p2p_get_persistent(wpa_s
, dev
, persist_ssid
,
3738 if (persist_ssid
&& s
&& s
->mode
!= WPAS_MODE_P2P_GO
&&
3739 os_memcmp(grp_mac
, mac
, ETH_ALEN
) == 0) {
3740 wpa_dbg(wpa_s
, MSG_ERROR
,
3741 "P2P: Peer device is a GO in a persistent group, but it did not provide the intended MAC address");
3746 stale
= wpas_p2p_get_persistent(wpa_s
, dev
, NULL
, 0);
3750 if (s
&& s
->ssid_len
== stale
->ssid_len
&&
3751 os_memcmp(stale
->bssid
, s
->bssid
, ETH_ALEN
) == 0 &&
3752 os_memcmp(stale
->ssid
, s
->ssid
, s
->ssid_len
) == 0)
3755 /* Remove stale persistent group */
3756 if (stale
->mode
!= WPAS_MODE_P2P_GO
||
3757 stale
->num_p2p_clients
<= 1) {
3758 wpa_config_remove_network(wpa_s
->conf
, stale
->id
);
3762 for (i
= 0; i
< stale
->num_p2p_clients
; i
++) {
3763 if (os_memcmp(stale
->p2p_client_list
+
3765 dev
, ETH_ALEN
) == 0) {
3766 os_memmove(stale
->p2p_client_list
+
3768 stale
->p2p_client_list
+
3770 (stale
->num_p2p_clients
-
3775 stale
->num_p2p_clients
--;
3781 p2p_config_write(wpa_s
);
3784 if (go_wpa_s
&& !p2p_group_go_member_count(wpa_s
))
3785 wpas_p2p_group_remove(wpa_s
, go_wpa_s
->ifname
);
3787 if (persistent_go
&& s
!= persistent_go
&&
3788 !persistent_go
->num_p2p_clients
) {
3789 /* remove empty persistent GO */
3790 wpa_config_remove_network(wpa_s
->conf
,
3795 wpa_msg_global(wpa_s
, MSG_INFO
,
3796 P2P_EVENT_P2PS_PROVISION_DONE MACSTR
3798 " adv_id=%x adv_mac=" MACSTR
3799 " session=%x mac=" MACSTR
3801 MAC2STR(dev
), status
,
3802 adv_id
, MAC2STR(adv_mac
),
3803 ses_id
, MAC2STR(ses_mac
), s
->id
, feat_cap_str
);
3807 if (conncap
== P2PS_SETUP_GROUP_OWNER
) {
3809 * We need to copy the interface name. Simply saving a
3810 * pointer isn't enough, since if we use pending_interface_name
3811 * it will be overwritten when the group is added.
3813 char go_ifname
[100];
3815 go_ifname
[0] = '\0';
3817 wpa_s
->global
->pending_p2ps_group
= 1;
3819 if (!wpas_p2p_create_iface(wpa_s
))
3820 os_memcpy(go_ifname
, wpa_s
->ifname
,
3822 else if (wpa_s
->pending_interface_name
[0])
3823 os_memcpy(go_ifname
,
3824 wpa_s
->pending_interface_name
,
3827 if (!go_ifname
[0]) {
3828 wpas_p2ps_prov_complete(
3829 wpa_s
, P2P_SC_FAIL_UNKNOWN_GROUP
,
3830 dev
, adv_mac
, ses_mac
,
3831 NULL
, adv_id
, ses_id
, 0, 0,
3832 NULL
, 0, 0, 0, NULL
, NULL
, 0);
3836 /* If PD Resp complete, start up the GO */
3837 if (response_done
&& persistent_go
) {
3838 wpas_p2p_group_add_persistent(
3839 wpa_s
, persistent_go
,
3840 0, 0, 0, 0, 0, NULL
,
3841 persistent_go
->mode
==
3843 P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE
:
3845 } else if (response_done
) {
3846 wpas_p2p_group_add(wpa_s
, 1, 0, 0, 0);
3849 if (passwd_id
== DEV_PW_P2PS_DEFAULT
) {
3850 os_memcpy(wpa_s
->p2ps_join_addr
, dev
, ETH_ALEN
);
3851 wpa_s
->p2ps_join_addr_valid
= 1;
3852 wpa_dbg(wpa_s
, MSG_DEBUG
,
3853 "P2PS: Saving PIN for " MACSTR
,
3856 } else if (passwd_id
== DEV_PW_P2PS_DEFAULT
) {
3857 os_memcpy(go_ifname
, go_wpa_s
->ifname
,
3860 wpa_dbg(go_wpa_s
, MSG_DEBUG
,
3861 "P2P: Setting PIN-1 For " MACSTR
, MAC2STR(dev
));
3862 wpa_supplicant_ap_wps_pin(go_wpa_s
, dev
, "12345670",
3865 os_memcpy(wpa_s
->p2ps_join_addr
, dev
, ETH_ALEN
);
3866 wpa_s
->p2ps_join_addr_valid
= 1;
3867 wpa_dbg(wpa_s
, MSG_DEBUG
,
3868 "P2PS: Saving PIN for " MACSTR
, MAC2STR(dev
));
3871 wpa_msg_global(wpa_s
, MSG_INFO
,
3872 P2P_EVENT_P2PS_PROVISION_DONE MACSTR
3873 " status=%d conncap=%x"
3874 " adv_id=%x adv_mac=" MACSTR
3875 " session=%x mac=" MACSTR
3876 " dev_passwd_id=%d go=%s%s",
3877 MAC2STR(dev
), status
, conncap
,
3878 adv_id
, MAC2STR(adv_mac
),
3879 ses_id
, MAC2STR(ses_mac
),
3880 passwd_id
, go_ifname
, feat_cap_str
);
3884 if (go_wpa_s
&& !p2p_group_go_member_count(wpa_s
))
3885 wpas_p2p_group_remove(wpa_s
, go_wpa_s
->ifname
);
3887 if (persistent_go
&& !persistent_go
->num_p2p_clients
) {
3888 /* remove empty persistent GO */
3889 wpa_config_remove_network(wpa_s
->conf
, persistent_go
->id
);
3892 if (conncap
== P2PS_SETUP_CLIENT
) {
3893 wpa_msg_global(wpa_s
, MSG_INFO
,
3894 P2P_EVENT_P2PS_PROVISION_DONE MACSTR
3895 " status=%d conncap=%x"
3896 " adv_id=%x adv_mac=" MACSTR
3897 " session=%x mac=" MACSTR
3898 " dev_passwd_id=%d join=" MACSTR
"%s",
3899 MAC2STR(dev
), status
, conncap
,
3900 adv_id
, MAC2STR(adv_mac
),
3901 ses_id
, MAC2STR(ses_mac
),
3902 passwd_id
, MAC2STR(grp_mac
), feat_cap_str
);
3904 wpa_msg_global(wpa_s
, MSG_INFO
,
3905 P2P_EVENT_P2PS_PROVISION_DONE MACSTR
3906 " status=%d conncap=%x"
3907 " adv_id=%x adv_mac=" MACSTR
3908 " session=%x mac=" MACSTR
3909 " dev_passwd_id=%d%s",
3910 MAC2STR(dev
), status
, conncap
,
3911 adv_id
, MAC2STR(adv_mac
),
3912 ses_id
, MAC2STR(ses_mac
),
3913 passwd_id
, feat_cap_str
);
3918 static int _wpas_p2p_in_progress(void *ctx
)
3920 struct wpa_supplicant
*wpa_s
= ctx
;
3921 return wpas_p2p_in_progress(wpa_s
);
3925 static int wpas_prov_disc_resp_cb(void *ctx
)
3927 struct wpa_supplicant
*wpa_s
= ctx
;
3928 struct wpa_ssid
*persistent_go
;
3930 if (!wpa_s
->global
->pending_p2ps_group
)
3933 wpa_s
->global
->pending_p2ps_group
= 0;
3935 if (wpas_p2p_get_go_group(wpa_s
))
3937 persistent_go
= wpas_p2p_get_persistent_go(wpa_s
);
3939 if (persistent_go
) {
3940 wpas_p2p_group_add_persistent(
3941 wpa_s
, persistent_go
, 0, 0, 0, 0, 0, NULL
,
3942 persistent_go
->mode
== WPAS_MODE_P2P_GO
?
3943 P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE
: 0);
3945 wpas_p2p_group_add(wpa_s
, 1, 0, 0, 0);
3952 static int wpas_p2p_get_pref_freq_list(void *ctx
, int go
,
3954 unsigned int *freq_list
)
3956 struct wpa_supplicant
*wpa_s
= ctx
;
3958 return wpa_drv_get_pref_freq_list(wpa_s
, go
? WPA_IF_P2P_GO
:
3959 WPA_IF_P2P_CLIENT
, len
, freq_list
);
3964 * wpas_p2p_init - Initialize P2P module for %wpa_supplicant
3965 * @global: Pointer to global data from wpa_supplicant_init()
3966 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
3967 * Returns: 0 on success, -1 on failure
3969 int wpas_p2p_init(struct wpa_global
*global
, struct wpa_supplicant
*wpa_s
)
3971 struct p2p_config p2p
;
3974 if (wpa_s
->conf
->p2p_disabled
)
3977 if (!(wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_P2P_CAPABLE
))
3983 os_memset(&p2p
, 0, sizeof(p2p
));
3985 p2p
.debug_print
= wpas_p2p_debug_print
;
3986 p2p
.p2p_scan
= wpas_p2p_scan
;
3987 p2p
.send_action
= wpas_send_action
;
3988 p2p
.send_action_done
= wpas_send_action_done
;
3989 p2p
.go_neg_completed
= wpas_go_neg_completed
;
3990 p2p
.go_neg_req_rx
= wpas_go_neg_req_rx
;
3991 p2p
.dev_found
= wpas_dev_found
;
3992 p2p
.dev_lost
= wpas_dev_lost
;
3993 p2p
.find_stopped
= wpas_find_stopped
;
3994 p2p
.start_listen
= wpas_start_listen
;
3995 p2p
.stop_listen
= wpas_stop_listen
;
3996 p2p
.send_probe_resp
= wpas_send_probe_resp
;
3997 p2p
.sd_request
= wpas_sd_request
;
3998 p2p
.sd_response
= wpas_sd_response
;
3999 p2p
.prov_disc_req
= wpas_prov_disc_req
;
4000 p2p
.prov_disc_resp
= wpas_prov_disc_resp
;
4001 p2p
.prov_disc_fail
= wpas_prov_disc_fail
;
4002 p2p
.invitation_process
= wpas_invitation_process
;
4003 p2p
.invitation_received
= wpas_invitation_received
;
4004 p2p
.invitation_result
= wpas_invitation_result
;
4005 p2p
.get_noa
= wpas_get_noa
;
4006 p2p
.go_connected
= wpas_go_connected
;
4007 p2p
.presence_resp
= wpas_presence_resp
;
4008 p2p
.is_concurrent_session_active
= wpas_is_concurrent_session_active
;
4009 p2p
.is_p2p_in_progress
= _wpas_p2p_in_progress
;
4010 p2p
.get_persistent_group
= wpas_get_persistent_group
;
4011 p2p
.get_go_info
= wpas_get_go_info
;
4012 p2p
.remove_stale_groups
= wpas_remove_stale_groups
;
4013 p2p
.p2ps_prov_complete
= wpas_p2ps_prov_complete
;
4014 p2p
.prov_disc_resp_cb
= wpas_prov_disc_resp_cb
;
4015 p2p
.p2ps_group_capability
= p2ps_group_capability
;
4016 p2p
.get_pref_freq_list
= wpas_p2p_get_pref_freq_list
;
4018 os_memcpy(wpa_s
->global
->p2p_dev_addr
, wpa_s
->own_addr
, ETH_ALEN
);
4019 os_memcpy(p2p
.dev_addr
, wpa_s
->global
->p2p_dev_addr
, ETH_ALEN
);
4020 p2p
.dev_name
= wpa_s
->conf
->device_name
;
4021 p2p
.manufacturer
= wpa_s
->conf
->manufacturer
;
4022 p2p
.model_name
= wpa_s
->conf
->model_name
;
4023 p2p
.model_number
= wpa_s
->conf
->model_number
;
4024 p2p
.serial_number
= wpa_s
->conf
->serial_number
;
4026 os_memcpy(p2p
.uuid
, wpa_s
->wps
->uuid
, 16);
4027 p2p
.config_methods
= wpa_s
->wps
->config_methods
;
4030 if (wpas_p2p_setup_channels(wpa_s
, &p2p
.channels
, &p2p
.cli_channels
)) {
4031 wpa_printf(MSG_ERROR
,
4032 "P2P: Failed to configure supported channel list");
4036 if (wpa_s
->conf
->p2p_listen_reg_class
&&
4037 wpa_s
->conf
->p2p_listen_channel
) {
4038 p2p
.reg_class
= wpa_s
->conf
->p2p_listen_reg_class
;
4039 p2p
.channel
= wpa_s
->conf
->p2p_listen_channel
;
4040 p2p
.channel_forced
= 1;
4043 * Pick one of the social channels randomly as the listen
4046 if (p2p_config_get_random_social(&p2p
, &p2p
.reg_class
,
4047 &p2p
.channel
) != 0) {
4048 wpa_printf(MSG_INFO
,
4049 "P2P: No social channels supported by the driver - do not enable P2P");
4052 p2p
.channel_forced
= 0;
4054 wpa_printf(MSG_DEBUG
, "P2P: Own listen channel: %d:%d",
4055 p2p
.reg_class
, p2p
.channel
);
4057 if (wpa_s
->conf
->p2p_oper_reg_class
&&
4058 wpa_s
->conf
->p2p_oper_channel
) {
4059 p2p
.op_reg_class
= wpa_s
->conf
->p2p_oper_reg_class
;
4060 p2p
.op_channel
= wpa_s
->conf
->p2p_oper_channel
;
4061 p2p
.cfg_op_channel
= 1;
4062 wpa_printf(MSG_DEBUG
, "P2P: Configured operating channel: "
4063 "%d:%d", p2p
.op_reg_class
, p2p
.op_channel
);
4067 * Use random operation channel from 2.4 GHz band social
4068 * channels (1, 6, 11) or band 60 GHz social channel (2) if no
4069 * other preference is indicated.
4071 if (p2p_config_get_random_social(&p2p
, &p2p
.op_reg_class
,
4072 &p2p
.op_channel
) != 0) {
4073 wpa_printf(MSG_ERROR
,
4074 "P2P: Failed to select random social channel as operation channel");
4077 p2p
.cfg_op_channel
= 0;
4078 wpa_printf(MSG_DEBUG
, "P2P: Random operating channel: "
4079 "%d:%d", p2p
.op_reg_class
, p2p
.op_channel
);
4082 if (wpa_s
->conf
->p2p_pref_chan
&& wpa_s
->conf
->num_p2p_pref_chan
) {
4083 p2p
.pref_chan
= wpa_s
->conf
->p2p_pref_chan
;
4084 p2p
.num_pref_chan
= wpa_s
->conf
->num_p2p_pref_chan
;
4087 if (wpa_s
->conf
->country
[0] && wpa_s
->conf
->country
[1]) {
4088 os_memcpy(p2p
.country
, wpa_s
->conf
->country
, 2);
4089 p2p
.country
[2] = 0x04;
4091 os_memcpy(p2p
.country
, "XX\x04", 3);
4093 os_memcpy(p2p
.pri_dev_type
, wpa_s
->conf
->device_type
,
4096 p2p
.num_sec_dev_types
= wpa_s
->conf
->num_sec_device_types
;
4097 os_memcpy(p2p
.sec_dev_type
, wpa_s
->conf
->sec_device_type
,
4098 p2p
.num_sec_dev_types
* WPS_DEV_TYPE_LEN
);
4100 p2p
.concurrent_operations
= !!(wpa_s
->drv_flags
&
4101 WPA_DRIVER_FLAGS_P2P_CONCURRENT
);
4103 p2p
.max_peers
= 100;
4105 if (wpa_s
->conf
->p2p_ssid_postfix
) {
4106 p2p
.ssid_postfix_len
=
4107 os_strlen(wpa_s
->conf
->p2p_ssid_postfix
);
4108 if (p2p
.ssid_postfix_len
> sizeof(p2p
.ssid_postfix
))
4109 p2p
.ssid_postfix_len
= sizeof(p2p
.ssid_postfix
);
4110 os_memcpy(p2p
.ssid_postfix
, wpa_s
->conf
->p2p_ssid_postfix
,
4111 p2p
.ssid_postfix_len
);
4114 p2p
.p2p_intra_bss
= wpa_s
->conf
->p2p_intra_bss
;
4116 p2p
.max_listen
= wpa_s
->max_remain_on_chan
;
4118 if (wpa_s
->conf
->p2p_passphrase_len
>= 8 &&
4119 wpa_s
->conf
->p2p_passphrase_len
<= 63)
4120 p2p
.passphrase_len
= wpa_s
->conf
->p2p_passphrase_len
;
4122 p2p
.passphrase_len
= 8;
4124 global
->p2p
= p2p_init(&p2p
);
4125 if (global
->p2p
== NULL
)
4127 global
->p2p_init_wpa_s
= wpa_s
;
4129 for (i
= 0; i
< MAX_WPS_VENDOR_EXT
; i
++) {
4130 if (wpa_s
->conf
->wps_vendor_ext
[i
] == NULL
)
4132 p2p_add_wps_vendor_extension(
4133 global
->p2p
, wpa_s
->conf
->wps_vendor_ext
[i
]);
4136 p2p_set_no_go_freq(global
->p2p
, &wpa_s
->conf
->p2p_no_go_freq
);
4143 * wpas_p2p_deinit - Deinitialize per-interface P2P data
4144 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
4146 * This function deinitialize per-interface P2P data.
4148 void wpas_p2p_deinit(struct wpa_supplicant
*wpa_s
)
4150 if (wpa_s
->driver
&& wpa_s
->drv_priv
)
4151 wpa_drv_probe_req_report(wpa_s
, 0);
4153 if (wpa_s
->go_params
) {
4154 /* Clear any stored provisioning info */
4155 p2p_clear_provisioning_info(
4157 wpa_s
->go_params
->peer_device_addr
);
4160 os_free(wpa_s
->go_params
);
4161 wpa_s
->go_params
= NULL
;
4162 eloop_cancel_timeout(wpas_p2p_psk_failure_removal
, wpa_s
, NULL
);
4163 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
, wpa_s
, NULL
);
4164 eloop_cancel_timeout(wpas_p2p_join_scan
, wpa_s
, NULL
);
4165 wpa_s
->p2p_long_listen
= 0;
4166 eloop_cancel_timeout(wpas_p2p_long_listen_timeout
, wpa_s
, NULL
);
4167 eloop_cancel_timeout(wpas_p2p_group_idle_timeout
, wpa_s
, NULL
);
4168 wpas_p2p_remove_pending_group_interface(wpa_s
);
4169 eloop_cancel_timeout(wpas_p2p_group_freq_conflict
, wpa_s
, NULL
);
4170 wpas_p2p_listen_work_done(wpa_s
);
4171 if (wpa_s
->p2p_send_action_work
) {
4172 os_free(wpa_s
->p2p_send_action_work
->ctx
);
4173 radio_work_done(wpa_s
->p2p_send_action_work
);
4174 wpa_s
->p2p_send_action_work
= NULL
;
4176 eloop_cancel_timeout(wpas_p2p_send_action_work_timeout
, wpa_s
, NULL
);
4178 wpabuf_free(wpa_s
->p2p_oob_dev_pw
);
4179 wpa_s
->p2p_oob_dev_pw
= NULL
;
4181 os_free(wpa_s
->p2p_group_common_freqs
);
4182 wpa_s
->p2p_group_common_freqs
= NULL
;
4183 wpa_s
->p2p_group_common_freqs_num
= 0;
4185 /* TODO: remove group interface from the driver if this wpa_s instance
4186 * is on top of a P2P group interface */
4191 * wpas_p2p_deinit_global - Deinitialize global P2P module
4192 * @global: Pointer to global data from wpa_supplicant_init()
4194 * This function deinitializes the global (per device) P2P module.
4196 static void wpas_p2p_deinit_global(struct wpa_global
*global
)
4198 struct wpa_supplicant
*wpa_s
, *tmp
;
4200 wpa_s
= global
->ifaces
;
4202 wpas_p2p_service_flush(global
->p2p_init_wpa_s
);
4204 /* Remove remaining P2P group interfaces */
4205 while (wpa_s
&& wpa_s
->p2p_group_interface
!= NOT_P2P_GROUP_INTERFACE
)
4206 wpa_s
= wpa_s
->next
;
4208 tmp
= global
->ifaces
;
4211 tmp
->p2p_group_interface
== NOT_P2P_GROUP_INTERFACE
)) {
4216 /* Disconnect from the P2P group and deinit the interface */
4217 wpas_p2p_disconnect(tmp
);
4221 * Deinit GO data on any possibly remaining interface (if main
4222 * interface is used as GO).
4224 for (wpa_s
= global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
4225 if (wpa_s
->ap_iface
)
4226 wpas_p2p_group_deinit(wpa_s
);
4229 p2p_deinit(global
->p2p
);
4231 global
->p2p_init_wpa_s
= NULL
;
4235 static int wpas_p2p_create_iface(struct wpa_supplicant
*wpa_s
)
4237 if (!(wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE
) &&
4238 wpa_s
->conf
->p2p_no_group_iface
)
4239 return 0; /* separate interface disabled per configuration */
4240 if (wpa_s
->drv_flags
&
4241 (WPA_DRIVER_FLAGS_P2P_DEDICATED_INTERFACE
|
4242 WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P
))
4243 return 1; /* P2P group requires a new interface in every case
4245 if (!(wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_P2P_CONCURRENT
))
4246 return 0; /* driver does not support concurrent operations */
4247 if (wpa_s
->global
->ifaces
->next
)
4248 return 1; /* more that one interface already in use */
4249 if (wpa_s
->wpa_state
>= WPA_AUTHENTICATING
)
4250 return 1; /* this interface is already in use */
4255 static int wpas_p2p_start_go_neg(struct wpa_supplicant
*wpa_s
,
4256 const u8
*peer_addr
,
4257 enum p2p_wps_method wps_method
,
4258 int go_intent
, const u8
*own_interface_addr
,
4259 unsigned int force_freq
, int persistent_group
,
4260 struct wpa_ssid
*ssid
, unsigned int pref_freq
)
4262 if (persistent_group
&& wpa_s
->conf
->persistent_reconnect
)
4263 persistent_group
= 2;
4266 * Increase GO config timeout if HT40 is used since it takes some time
4267 * to scan channels for coex purposes before the BSS can be started.
4269 p2p_set_config_timeout(wpa_s
->global
->p2p
,
4270 wpa_s
->p2p_go_ht40
? 255 : 100, 20);
4272 return p2p_connect(wpa_s
->global
->p2p
, peer_addr
, wps_method
,
4273 go_intent
, own_interface_addr
, force_freq
,
4274 persistent_group
, ssid
? ssid
->ssid
: NULL
,
4275 ssid
? ssid
->ssid_len
: 0,
4276 wpa_s
->p2p_pd_before_go_neg
, pref_freq
,
4277 wps_method
== WPS_NFC
? wpa_s
->p2p_oob_dev_pw_id
:
4282 static int wpas_p2p_auth_go_neg(struct wpa_supplicant
*wpa_s
,
4283 const u8
*peer_addr
,
4284 enum p2p_wps_method wps_method
,
4285 int go_intent
, const u8
*own_interface_addr
,
4286 unsigned int force_freq
, int persistent_group
,
4287 struct wpa_ssid
*ssid
, unsigned int pref_freq
)
4289 if (persistent_group
&& wpa_s
->conf
->persistent_reconnect
)
4290 persistent_group
= 2;
4292 return p2p_authorize(wpa_s
->global
->p2p
, peer_addr
, wps_method
,
4293 go_intent
, own_interface_addr
, force_freq
,
4294 persistent_group
, ssid
? ssid
->ssid
: NULL
,
4295 ssid
? ssid
->ssid_len
: 0, pref_freq
,
4296 wps_method
== WPS_NFC
? wpa_s
->p2p_oob_dev_pw_id
:
4301 static void wpas_p2p_check_join_scan_limit(struct wpa_supplicant
*wpa_s
)
4303 wpa_s
->p2p_join_scan_count
++;
4304 wpa_printf(MSG_DEBUG
, "P2P: Join scan attempt %d",
4305 wpa_s
->p2p_join_scan_count
);
4306 if (wpa_s
->p2p_join_scan_count
> P2P_MAX_JOIN_SCAN_ATTEMPTS
) {
4307 wpa_printf(MSG_DEBUG
, "P2P: Failed to find GO " MACSTR
4308 " for join operationg - stop join attempt",
4309 MAC2STR(wpa_s
->pending_join_iface_addr
));
4310 eloop_cancel_timeout(wpas_p2p_join_scan
, wpa_s
, NULL
);
4311 if (wpa_s
->p2p_auto_pd
) {
4312 wpa_s
->p2p_auto_pd
= 0;
4313 wpa_msg_global(wpa_s
, MSG_INFO
,
4314 P2P_EVENT_PROV_DISC_FAILURE
4315 " p2p_dev_addr=" MACSTR
" status=N/A",
4316 MAC2STR(wpa_s
->pending_join_dev_addr
));
4319 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
4320 P2P_EVENT_GROUP_FORMATION_FAILURE
);
4325 static int wpas_check_freq_conflict(struct wpa_supplicant
*wpa_s
, int freq
)
4328 unsigned int num
, i
;
4329 struct wpa_used_freq_data
*freqs
;
4331 if (wpas_p2p_num_unused_channels(wpa_s
) > 0) {
4332 /* Multiple channels are supported and not all are in use */
4336 freqs
= os_calloc(wpa_s
->num_multichan_concurrent
,
4337 sizeof(struct wpa_used_freq_data
));
4341 num
= wpas_p2p_valid_oper_freqs(wpa_s
, freqs
,
4342 wpa_s
->num_multichan_concurrent
);
4344 for (i
= 0; i
< num
; i
++) {
4345 if (freqs
[i
].freq
== freq
) {
4346 wpa_printf(MSG_DEBUG
, "P2P: Frequency %d MHz in use by another virtual interface and can be used",
4353 wpa_printf(MSG_DEBUG
, "P2P: No valid operating frequencies");
4362 static int wpas_p2p_peer_go(struct wpa_supplicant
*wpa_s
,
4363 const u8
*peer_dev_addr
)
4365 struct wpa_bss
*bss
;
4368 bss
= wpa_bss_get_p2p_dev_addr(wpa_s
, peer_dev_addr
);
4371 if (bss
->last_update_idx
< wpa_s
->bss_update_idx
) {
4372 wpa_printf(MSG_DEBUG
, "P2P: Peer BSS entry not updated in the "
4377 updated
= os_reltime_before(&wpa_s
->p2p_auto_started
,
4379 wpa_printf(MSG_DEBUG
, "P2P: Current BSS entry for peer updated at "
4380 "%ld.%06ld (%supdated in last scan)",
4381 bss
->last_update
.sec
, bss
->last_update
.usec
,
4382 updated
? "": "not ");
4388 static void wpas_p2p_scan_res_join(struct wpa_supplicant
*wpa_s
,
4389 struct wpa_scan_results
*scan_res
)
4391 struct wpa_bss
*bss
= NULL
;
4393 u8 iface_addr
[ETH_ALEN
];
4395 eloop_cancel_timeout(wpas_p2p_join_scan
, wpa_s
, NULL
);
4397 if (wpa_s
->global
->p2p_disabled
)
4400 wpa_printf(MSG_DEBUG
, "P2P: Scan results received (%d BSS) for %sjoin",
4401 scan_res
? (int) scan_res
->num
: -1,
4402 wpa_s
->p2p_auto_join
? "auto_" : "");
4405 wpas_p2p_scan_res_handler(wpa_s
, scan_res
);
4407 if (wpa_s
->p2p_auto_pd
) {
4408 int join
= wpas_p2p_peer_go(wpa_s
,
4409 wpa_s
->pending_join_dev_addr
);
4411 wpa_s
->auto_pd_scan_retry
< P2P_AUTO_PD_SCAN_ATTEMPTS
) {
4412 wpa_s
->auto_pd_scan_retry
++;
4413 bss
= wpa_bss_get_bssid_latest(
4414 wpa_s
, wpa_s
->pending_join_dev_addr
);
4417 wpa_printf(MSG_DEBUG
, "P2P: Scan retry %d for "
4418 "the peer " MACSTR
" at %d MHz",
4419 wpa_s
->auto_pd_scan_retry
,
4421 pending_join_dev_addr
),
4423 wpas_p2p_join_scan_req(wpa_s
, freq
, NULL
, 0);
4431 wpa_s
->p2p_auto_pd
= 0;
4432 wpa_s
->pending_pd_use
= join
? AUTO_PD_JOIN
: AUTO_PD_GO_NEG
;
4433 wpa_printf(MSG_DEBUG
, "P2P: Auto PD with " MACSTR
" join=%d",
4434 MAC2STR(wpa_s
->pending_join_dev_addr
), join
);
4435 if (p2p_prov_disc_req(wpa_s
->global
->p2p
,
4436 wpa_s
->pending_join_dev_addr
, NULL
,
4437 wpa_s
->pending_pd_config_methods
, join
,
4438 0, wpa_s
->user_initiated_pd
) < 0) {
4439 wpa_s
->p2p_auto_pd
= 0;
4440 wpa_msg_global(wpa_s
, MSG_INFO
,
4441 P2P_EVENT_PROV_DISC_FAILURE
4442 " p2p_dev_addr=" MACSTR
" status=N/A",
4443 MAC2STR(wpa_s
->pending_join_dev_addr
));
4448 if (wpa_s
->p2p_auto_join
) {
4449 int join
= wpas_p2p_peer_go(wpa_s
,
4450 wpa_s
->pending_join_dev_addr
);
4452 wpa_printf(MSG_DEBUG
, "P2P: Peer was not found to be "
4453 "running a GO -> use GO Negotiation");
4454 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
4455 P2P_EVENT_FALLBACK_TO_GO_NEG
4456 "reason=peer-not-running-GO");
4457 wpas_p2p_connect(wpa_s
, wpa_s
->pending_join_dev_addr
,
4458 wpa_s
->p2p_pin
, wpa_s
->p2p_wps_method
,
4459 wpa_s
->p2p_persistent_group
, 0, 0, 0,
4460 wpa_s
->p2p_go_intent
,
4461 wpa_s
->p2p_connect_freq
,
4462 wpa_s
->p2p_persistent_id
,
4463 wpa_s
->p2p_pd_before_go_neg
,
4469 wpa_printf(MSG_DEBUG
, "P2P: Peer was found running GO%s -> "
4470 "try to join the group", join
? "" :
4473 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
4474 P2P_EVENT_FALLBACK_TO_GO_NEG_ENABLED
);
4475 wpa_s
->p2p_fallback_to_go_neg
= 1;
4479 freq
= p2p_get_oper_freq(wpa_s
->global
->p2p
,
4480 wpa_s
->pending_join_iface_addr
);
4482 p2p_get_interface_addr(wpa_s
->global
->p2p
,
4483 wpa_s
->pending_join_dev_addr
,
4485 os_memcmp(iface_addr
, wpa_s
->pending_join_dev_addr
, ETH_ALEN
) != 0
4486 && !wpa_bss_get_bssid(wpa_s
, wpa_s
->pending_join_iface_addr
)) {
4487 wpa_printf(MSG_DEBUG
, "P2P: Overwrite pending interface "
4488 "address for join from " MACSTR
" to " MACSTR
4489 " based on newly discovered P2P peer entry",
4490 MAC2STR(wpa_s
->pending_join_iface_addr
),
4491 MAC2STR(iface_addr
));
4492 os_memcpy(wpa_s
->pending_join_iface_addr
, iface_addr
,
4495 freq
= p2p_get_oper_freq(wpa_s
->global
->p2p
,
4496 wpa_s
->pending_join_iface_addr
);
4499 wpa_printf(MSG_DEBUG
, "P2P: Target GO operating frequency "
4500 "from P2P peer table: %d MHz", freq
);
4502 if (wpa_s
->p2p_join_ssid_len
) {
4503 wpa_printf(MSG_DEBUG
, "P2P: Trying to find target GO BSS entry based on BSSID "
4504 MACSTR
" and SSID %s",
4505 MAC2STR(wpa_s
->pending_join_iface_addr
),
4506 wpa_ssid_txt(wpa_s
->p2p_join_ssid
,
4507 wpa_s
->p2p_join_ssid_len
));
4508 bss
= wpa_bss_get(wpa_s
, wpa_s
->pending_join_iface_addr
,
4509 wpa_s
->p2p_join_ssid
,
4510 wpa_s
->p2p_join_ssid_len
);
4513 wpa_printf(MSG_DEBUG
, "P2P: Trying to find target GO BSS entry based on BSSID "
4514 MACSTR
, MAC2STR(wpa_s
->pending_join_iface_addr
));
4515 bss
= wpa_bss_get_bssid_latest(wpa_s
,
4516 wpa_s
->pending_join_iface_addr
);
4519 u8 dev_addr
[ETH_ALEN
];
4522 wpa_printf(MSG_DEBUG
, "P2P: Target GO operating frequency "
4523 "from BSS table: %d MHz (SSID %s)", freq
,
4524 wpa_ssid_txt(bss
->ssid
, bss
->ssid_len
));
4525 if (p2p_parse_dev_addr((const u8
*) (bss
+ 1), bss
->ie_len
,
4527 os_memcmp(wpa_s
->pending_join_dev_addr
,
4528 wpa_s
->pending_join_iface_addr
, ETH_ALEN
) == 0 &&
4529 os_memcmp(dev_addr
, wpa_s
->pending_join_dev_addr
,
4531 wpa_printf(MSG_DEBUG
,
4532 "P2P: Update target GO device address based on BSS entry: " MACSTR
" (was " MACSTR
")",
4534 MAC2STR(wpa_s
->pending_join_dev_addr
));
4535 os_memcpy(wpa_s
->pending_join_dev_addr
, dev_addr
,
4542 if (wpas_check_freq_conflict(wpa_s
, freq
) > 0) {
4543 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
4544 P2P_EVENT_GROUP_FORMATION_FAILURE
4545 "reason=FREQ_CONFLICT");
4549 wpa_printf(MSG_DEBUG
, "P2P: Send Provision Discovery Request "
4550 "prior to joining an existing group (GO " MACSTR
4552 MAC2STR(wpa_s
->pending_join_dev_addr
), freq
);
4553 wpa_s
->pending_pd_before_join
= 1;
4555 switch (wpa_s
->pending_join_wps_method
) {
4556 case WPS_PIN_DISPLAY
:
4557 method
= WPS_CONFIG_KEYPAD
;
4559 case WPS_PIN_KEYPAD
:
4560 method
= WPS_CONFIG_DISPLAY
;
4563 method
= WPS_CONFIG_PUSHBUTTON
;
4570 if ((p2p_get_provisioning_info(wpa_s
->global
->p2p
,
4571 wpa_s
->pending_join_dev_addr
) ==
4574 * We have already performed provision discovery for
4575 * joining the group. Proceed directly to join
4576 * operation without duplicated provision discovery. */
4577 wpa_printf(MSG_DEBUG
, "P2P: Provision discovery "
4578 "with " MACSTR
" already done - proceed to "
4580 MAC2STR(wpa_s
->pending_join_dev_addr
));
4581 wpa_s
->pending_pd_before_join
= 0;
4585 if (p2p_prov_disc_req(wpa_s
->global
->p2p
,
4586 wpa_s
->pending_join_dev_addr
,
4588 freq
, wpa_s
->user_initiated_pd
) < 0) {
4589 wpa_printf(MSG_DEBUG
, "P2P: Failed to send Provision "
4590 "Discovery Request before joining an "
4592 wpa_s
->pending_pd_before_join
= 0;
4598 wpa_printf(MSG_DEBUG
, "P2P: Failed to find BSS/GO - try again later");
4599 eloop_cancel_timeout(wpas_p2p_join_scan
, wpa_s
, NULL
);
4600 eloop_register_timeout(1, 0, wpas_p2p_join_scan
, wpa_s
, NULL
);
4601 wpas_p2p_check_join_scan_limit(wpa_s
);
4605 /* Start join operation immediately */
4606 wpas_p2p_join_start(wpa_s
, 0, NULL
, 0);
4610 static void wpas_p2p_join_scan_req(struct wpa_supplicant
*wpa_s
, int freq
,
4611 const u8
*ssid
, size_t ssid_len
)
4614 struct wpa_driver_scan_params params
;
4615 struct wpabuf
*wps_ie
, *ies
;
4617 int freqs
[2] = { 0, 0 };
4619 os_memset(¶ms
, 0, sizeof(params
));
4621 /* P2P Wildcard SSID */
4622 params
.num_ssids
= 1;
4623 if (ssid
&& ssid_len
) {
4624 params
.ssids
[0].ssid
= ssid
;
4625 params
.ssids
[0].ssid_len
= ssid_len
;
4626 os_memcpy(wpa_s
->p2p_join_ssid
, ssid
, ssid_len
);
4627 wpa_s
->p2p_join_ssid_len
= ssid_len
;
4629 params
.ssids
[0].ssid
= (u8
*) P2P_WILDCARD_SSID
;
4630 params
.ssids
[0].ssid_len
= P2P_WILDCARD_SSID_LEN
;
4631 wpa_s
->p2p_join_ssid_len
= 0;
4634 wpa_s
->wps
->dev
.p2p
= 1;
4635 wps_ie
= wps_build_probe_req_ie(DEV_PW_DEFAULT
, &wpa_s
->wps
->dev
,
4636 wpa_s
->wps
->uuid
, WPS_REQ_ENROLLEE
, 0,
4638 if (wps_ie
== NULL
) {
4639 wpas_p2p_scan_res_join(wpa_s
, NULL
);
4643 ielen
= p2p_scan_ie_buf_len(wpa_s
->global
->p2p
);
4644 ies
= wpabuf_alloc(wpabuf_len(wps_ie
) + ielen
);
4646 wpabuf_free(wps_ie
);
4647 wpas_p2p_scan_res_join(wpa_s
, NULL
);
4650 wpabuf_put_buf(ies
, wps_ie
);
4651 wpabuf_free(wps_ie
);
4653 p2p_scan_ie(wpa_s
->global
->p2p
, ies
, NULL
);
4655 params
.p2p_probe
= 1;
4656 params
.extra_ies
= wpabuf_head(ies
);
4657 params
.extra_ies_len
= wpabuf_len(ies
);
4662 * If freq is not provided, check the operating freq of the GO
4663 * and use a single channel scan on if possible.
4665 oper_freq
= p2p_get_oper_freq(wpa_s
->global
->p2p
,
4666 wpa_s
->pending_join_iface_addr
);
4672 params
.freqs
= freqs
;
4676 * Run a scan to update BSS table and start Provision Discovery once
4677 * the new scan results become available.
4679 ret
= wpa_drv_scan(wpa_s
, ¶ms
);
4681 os_get_reltime(&wpa_s
->scan_trigger_time
);
4682 wpa_s
->scan_res_handler
= wpas_p2p_scan_res_join
;
4683 wpa_s
->own_scan_requested
= 1;
4689 wpa_printf(MSG_DEBUG
, "P2P: Failed to start scan for join - "
4691 eloop_cancel_timeout(wpas_p2p_join_scan
, wpa_s
, NULL
);
4692 eloop_register_timeout(1, 0, wpas_p2p_join_scan
, wpa_s
, NULL
);
4693 wpas_p2p_check_join_scan_limit(wpa_s
);
4698 static void wpas_p2p_join_scan(void *eloop_ctx
, void *timeout_ctx
)
4700 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
4701 wpas_p2p_join_scan_req(wpa_s
, 0, NULL
, 0);
4705 static int wpas_p2p_join(struct wpa_supplicant
*wpa_s
, const u8
*iface_addr
,
4706 const u8
*dev_addr
, enum p2p_wps_method wps_method
,
4707 int auto_join
, int op_freq
,
4708 const u8
*ssid
, size_t ssid_len
)
4710 wpa_printf(MSG_DEBUG
, "P2P: Request to join existing group (iface "
4711 MACSTR
" dev " MACSTR
" op_freq=%d)%s",
4712 MAC2STR(iface_addr
), MAC2STR(dev_addr
), op_freq
,
4713 auto_join
? " (auto_join)" : "");
4714 if (ssid
&& ssid_len
) {
4715 wpa_printf(MSG_DEBUG
, "P2P: Group SSID specified: %s",
4716 wpa_ssid_txt(ssid
, ssid_len
));
4719 wpa_s
->p2p_auto_pd
= 0;
4720 wpa_s
->p2p_auto_join
= !!auto_join
;
4721 os_memcpy(wpa_s
->pending_join_iface_addr
, iface_addr
, ETH_ALEN
);
4722 os_memcpy(wpa_s
->pending_join_dev_addr
, dev_addr
, ETH_ALEN
);
4723 wpa_s
->pending_join_wps_method
= wps_method
;
4725 /* Make sure we are not running find during connection establishment */
4726 wpas_p2p_stop_find(wpa_s
);
4728 wpa_s
->p2p_join_scan_count
= 0;
4729 wpas_p2p_join_scan_req(wpa_s
, op_freq
, ssid
, ssid_len
);
4734 static int wpas_p2p_join_start(struct wpa_supplicant
*wpa_s
, int freq
,
4735 const u8
*ssid
, size_t ssid_len
)
4737 struct wpa_supplicant
*group
;
4738 struct p2p_go_neg_results res
;
4739 struct wpa_bss
*bss
;
4741 group
= wpas_p2p_get_group_iface(wpa_s
, 0, 0);
4744 if (group
!= wpa_s
) {
4745 os_memcpy(group
->p2p_pin
, wpa_s
->p2p_pin
,
4746 sizeof(group
->p2p_pin
));
4747 group
->p2p_wps_method
= wpa_s
->p2p_wps_method
;
4750 * Need to mark the current interface for p2p_group_formation
4751 * when a separate group interface is not used. This is needed
4752 * to allow p2p_cancel stop a pending p2p_connect-join.
4753 * wpas_p2p_init_group_interface() addresses this for the case
4754 * where a separate group interface is used.
4756 wpa_s
->global
->p2p_group_formation
= wpa_s
;
4759 group
->p2p_in_provisioning
= 1;
4760 group
->p2p_fallback_to_go_neg
= wpa_s
->p2p_fallback_to_go_neg
;
4762 os_memset(&res
, 0, sizeof(res
));
4763 os_memcpy(res
.peer_device_addr
, wpa_s
->pending_join_dev_addr
, ETH_ALEN
);
4764 os_memcpy(res
.peer_interface_addr
, wpa_s
->pending_join_iface_addr
,
4766 res
.wps_method
= wpa_s
->pending_join_wps_method
;
4767 if (freq
&& ssid
&& ssid_len
) {
4769 res
.ssid_len
= ssid_len
;
4770 os_memcpy(res
.ssid
, ssid
, ssid_len
);
4772 bss
= wpa_bss_get_bssid_latest(wpa_s
,
4773 wpa_s
->pending_join_iface_addr
);
4775 res
.freq
= bss
->freq
;
4776 res
.ssid_len
= bss
->ssid_len
;
4777 os_memcpy(res
.ssid
, bss
->ssid
, bss
->ssid_len
);
4778 wpa_printf(MSG_DEBUG
, "P2P: Join target GO operating frequency from BSS table: %d MHz (SSID %s)",
4780 wpa_ssid_txt(bss
->ssid
, bss
->ssid_len
));
4784 if (wpa_s
->off_channel_freq
|| wpa_s
->roc_waiting_drv_freq
) {
4785 wpa_printf(MSG_DEBUG
, "P2P: Cancel remain-on-channel prior to "
4787 wpa_drv_cancel_remain_on_channel(wpa_s
);
4788 wpa_s
->off_channel_freq
= 0;
4789 wpa_s
->roc_waiting_drv_freq
= 0;
4791 wpas_start_wps_enrollee(group
, &res
);
4794 * Allow a longer timeout for join-a-running-group than normal 15
4795 * second group formation timeout since the GO may not have authorized
4796 * our connection yet.
4798 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
, wpa_s
, NULL
);
4799 eloop_register_timeout(60, 0, wpas_p2p_group_formation_timeout
,
4806 static int wpas_p2p_setup_freqs(struct wpa_supplicant
*wpa_s
, int freq
,
4807 int *force_freq
, int *pref_freq
, int go
,
4808 unsigned int *pref_freq_list
,
4809 unsigned int *num_pref_freq
)
4811 struct wpa_used_freq_data
*freqs
;
4812 int res
, best_freq
, num_unused
;
4813 unsigned int freq_in_use
= 0, num
, i
, max_pref_freq
;
4815 max_pref_freq
= *num_pref_freq
;
4818 freqs
= os_calloc(wpa_s
->num_multichan_concurrent
,
4819 sizeof(struct wpa_used_freq_data
));
4823 num
= wpas_p2p_valid_oper_freqs(wpa_s
, freqs
,
4824 wpa_s
->num_multichan_concurrent
);
4827 * It is possible that the total number of used frequencies is bigger
4828 * than the number of frequencies used for P2P, so get the system wide
4829 * number of unused frequencies.
4831 num_unused
= wpas_p2p_num_unused_channels(wpa_s
);
4833 wpa_printf(MSG_DEBUG
,
4834 "P2P: Setup freqs: freq=%d num_MCC=%d shared_freqs=%u num_unused=%d",
4835 freq
, wpa_s
->num_multichan_concurrent
, num
, num_unused
);
4840 ret
= p2p_supported_freq(wpa_s
->global
->p2p
, freq
);
4842 ret
= p2p_supported_freq_cli(wpa_s
->global
->p2p
, freq
);
4844 if ((wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_DFS_OFFLOAD
) &&
4845 ieee80211_is_dfs(freq
)) {
4847 * If freq is a DFS channel and DFS is offloaded
4848 * to the driver, allow P2P GO to use it.
4850 wpa_printf(MSG_DEBUG
,
4851 "P2P: The forced channel for GO (%u MHz) is DFS, and DFS is offloaded to the driver",
4854 wpa_printf(MSG_DEBUG
,
4855 "P2P: The forced channel (%u MHz) is not supported for P2P uses",
4862 for (i
= 0; i
< num
; i
++) {
4863 if (freqs
[i
].freq
== freq
)
4867 if (num_unused
<= 0 && !freq_in_use
) {
4868 wpa_printf(MSG_DEBUG
, "P2P: Cannot start P2P group on %u MHz as there are no available channels",
4873 wpa_printf(MSG_DEBUG
, "P2P: Trying to force us to use the "
4874 "requested channel (%u MHz)", freq
);
4879 best_freq
= wpas_p2p_pick_best_used_freq(wpa_s
, freqs
, num
);
4881 if (!wpa_s
->conf
->num_p2p_pref_chan
&& *pref_freq
== 0) {
4882 enum wpa_driver_if_type iface_type
;
4885 iface_type
= WPA_IF_P2P_GO
;
4887 iface_type
= WPA_IF_P2P_CLIENT
;
4889 wpa_printf(MSG_DEBUG
, "P2P: best_freq=%d, go=%d",
4892 res
= wpa_drv_get_pref_freq_list(wpa_s
, iface_type
,
4895 if (!res
&& max_pref_freq
> 0) {
4896 *num_pref_freq
= max_pref_freq
;
4898 while (wpas_p2p_disallowed_freq(wpa_s
->global
,
4899 pref_freq_list
[i
]) &&
4900 i
< *num_pref_freq
) {
4901 wpa_printf(MSG_DEBUG
,
4902 "P2P: preferred_freq_list[%d]=%d is disallowed",
4903 i
, pref_freq_list
[i
]);
4906 if (i
!= *num_pref_freq
) {
4907 best_freq
= pref_freq_list
[i
];
4908 wpa_printf(MSG_DEBUG
,
4909 "P2P: Using preferred_freq_list[%d]=%d",
4912 wpa_printf(MSG_DEBUG
,
4913 "P2P: All driver preferred frequencies are disallowed for P2P use");
4917 wpa_printf(MSG_DEBUG
,
4918 "P2P: No preferred frequency list available");
4922 /* We have a candidate frequency to use */
4923 if (best_freq
> 0) {
4924 if (*pref_freq
== 0 && num_unused
> 0) {
4925 wpa_printf(MSG_DEBUG
, "P2P: Try to prefer a frequency (%u MHz) we are already using",
4927 *pref_freq
= best_freq
;
4929 wpa_printf(MSG_DEBUG
, "P2P: Try to force us to use frequency (%u MHz) which is already in use",
4931 *force_freq
= best_freq
;
4933 } else if (num_unused
> 0) {
4934 wpa_printf(MSG_DEBUG
,
4935 "P2P: Current operating channels are not available for P2P. Try to use another channel");
4938 wpa_printf(MSG_DEBUG
,
4939 "P2P: All channels are in use and none of them are P2P enabled. Cannot start P2P group");
4953 * wpas_p2p_connect - Request P2P Group Formation to be started
4954 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
4955 * @peer_addr: Address of the peer P2P Device
4956 * @pin: PIN to use during provisioning or %NULL to indicate PBC mode
4957 * @persistent_group: Whether to create a persistent group
4958 * @auto_join: Whether to select join vs. GO Negotiation automatically
4959 * @join: Whether to join an existing group (as a client) instead of starting
4960 * Group Owner negotiation; @peer_addr is BSSID in that case
4961 * @auth: Whether to only authorize the connection instead of doing that and
4962 * initiating Group Owner negotiation
4963 * @go_intent: GO Intent or -1 to use default
4964 * @freq: Frequency for the group or 0 for auto-selection
4965 * @persistent_id: Persistent group credentials to use for forcing GO
4966 * parameters or -1 to generate new values (SSID/passphrase)
4967 * @pd: Whether to send Provision Discovery prior to GO Negotiation as an
4968 * interoperability workaround when initiating group formation
4969 * @ht40: Start GO with 40 MHz channel width
4970 * @vht: Start GO with VHT support
4971 * Returns: 0 or new PIN (if pin was %NULL) on success, -1 on unspecified
4972 * failure, -2 on failure due to channel not currently available,
4973 * -3 if forced channel is not supported
4975 int wpas_p2p_connect(struct wpa_supplicant
*wpa_s
, const u8
*peer_addr
,
4976 const char *pin
, enum p2p_wps_method wps_method
,
4977 int persistent_group
, int auto_join
, int join
, int auth
,
4978 int go_intent
, int freq
, int persistent_id
, int pd
,
4981 int force_freq
= 0, pref_freq
= 0;
4983 enum wpa_driver_if_type iftype
;
4985 struct wpa_ssid
*ssid
= NULL
;
4986 unsigned int pref_freq_list
[P2P_MAX_PREF_CHANNELS
], size
;
4988 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
4991 if (persistent_id
>= 0) {
4992 ssid
= wpa_config_get_network(wpa_s
->conf
, persistent_id
);
4993 if (ssid
== NULL
|| ssid
->disabled
!= 2 ||
4994 ssid
->mode
!= WPAS_MODE_P2P_GO
)
4998 os_free(wpa_s
->global
->add_psk
);
4999 wpa_s
->global
->add_psk
= NULL
;
5001 wpa_s
->global
->p2p_fail_on_wps_complete
= 0;
5002 wpa_s
->global
->pending_p2ps_group
= 0;
5005 go_intent
= wpa_s
->conf
->p2p_go_intent
;
5008 wpa_s
->p2p_long_listen
= 0;
5010 wpa_s
->p2p_wps_method
= wps_method
;
5011 wpa_s
->p2p_persistent_group
= !!persistent_group
;
5012 wpa_s
->p2p_persistent_id
= persistent_id
;
5013 wpa_s
->p2p_go_intent
= go_intent
;
5014 wpa_s
->p2p_connect_freq
= freq
;
5015 wpa_s
->p2p_fallback_to_go_neg
= 0;
5016 wpa_s
->p2p_pd_before_go_neg
= !!pd
;
5017 wpa_s
->p2p_go_ht40
= !!ht40
;
5018 wpa_s
->p2p_go_vht
= !!vht
;
5021 os_strlcpy(wpa_s
->p2p_pin
, pin
, sizeof(wpa_s
->p2p_pin
));
5022 else if (wps_method
== WPS_PIN_DISPLAY
) {
5023 ret
= wps_generate_pin();
5024 res
= os_snprintf(wpa_s
->p2p_pin
, sizeof(wpa_s
->p2p_pin
),
5026 if (os_snprintf_error(sizeof(wpa_s
->p2p_pin
), res
))
5027 wpa_s
->p2p_pin
[sizeof(wpa_s
->p2p_pin
) - 1] = '\0';
5028 wpa_printf(MSG_DEBUG
, "P2P: Randomly generated PIN: %s",
5031 wpa_s
->p2p_pin
[0] = '\0';
5033 if (join
|| auto_join
) {
5034 u8 iface_addr
[ETH_ALEN
], dev_addr
[ETH_ALEN
];
5036 wpa_printf(MSG_DEBUG
, "P2P: Authorize invitation to "
5037 "connect a running group from " MACSTR
,
5038 MAC2STR(peer_addr
));
5039 os_memcpy(wpa_s
->p2p_auth_invite
, peer_addr
, ETH_ALEN
);
5042 os_memcpy(dev_addr
, peer_addr
, ETH_ALEN
);
5043 if (p2p_get_interface_addr(wpa_s
->global
->p2p
, peer_addr
,
5045 os_memcpy(iface_addr
, peer_addr
, ETH_ALEN
);
5046 p2p_get_dev_addr(wpa_s
->global
->p2p
, peer_addr
,
5050 os_get_reltime(&wpa_s
->p2p_auto_started
);
5051 wpa_printf(MSG_DEBUG
, "P2P: Auto join started at "
5053 wpa_s
->p2p_auto_started
.sec
,
5054 wpa_s
->p2p_auto_started
.usec
);
5056 wpa_s
->user_initiated_pd
= 1;
5057 if (wpas_p2p_join(wpa_s
, iface_addr
, dev_addr
, wps_method
,
5058 auto_join
, freq
, NULL
, 0) < 0)
5063 size
= P2P_MAX_PREF_CHANNELS
;
5064 res
= wpas_p2p_setup_freqs(wpa_s
, freq
, &force_freq
, &pref_freq
,
5065 go_intent
== 15, pref_freq_list
, &size
);
5068 wpas_p2p_set_own_freq_preference(wpa_s
,
5069 force_freq
? force_freq
: pref_freq
);
5071 p2p_set_own_pref_freq_list(wpa_s
->global
->p2p
, pref_freq_list
, size
);
5073 wpa_s
->create_p2p_iface
= wpas_p2p_create_iface(wpa_s
);
5075 if (wpa_s
->create_p2p_iface
) {
5076 /* Prepare to add a new interface for the group */
5077 iftype
= WPA_IF_P2P_GROUP
;
5078 if (go_intent
== 15)
5079 iftype
= WPA_IF_P2P_GO
;
5080 if (wpas_p2p_add_group_interface(wpa_s
, iftype
) < 0) {
5081 wpa_printf(MSG_ERROR
, "P2P: Failed to allocate a new "
5082 "interface for the group");
5086 if_addr
= wpa_s
->pending_interface_addr
;
5088 if_addr
= wpa_s
->own_addr
;
5091 if (wpas_p2p_auth_go_neg(wpa_s
, peer_addr
, wps_method
,
5093 force_freq
, persistent_group
, ssid
,
5099 if (wpas_p2p_start_go_neg(wpa_s
, peer_addr
, wps_method
,
5100 go_intent
, if_addr
, force_freq
,
5101 persistent_group
, ssid
, pref_freq
) < 0) {
5102 if (wpa_s
->create_p2p_iface
)
5103 wpas_p2p_remove_pending_group_interface(wpa_s
);
5111 * wpas_p2p_remain_on_channel_cb - Indication of remain-on-channel start
5112 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
5113 * @freq: Frequency of the channel in MHz
5114 * @duration: Duration of the stay on the channel in milliseconds
5116 * This callback is called when the driver indicates that it has started the
5117 * requested remain-on-channel duration.
5119 void wpas_p2p_remain_on_channel_cb(struct wpa_supplicant
*wpa_s
,
5120 unsigned int freq
, unsigned int duration
)
5122 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
5124 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)",
5125 wpa_s
->off_channel_freq
, wpa_s
->pending_listen_freq
,
5126 wpa_s
->roc_waiting_drv_freq
, freq
, duration
);
5127 if (wpa_s
->off_channel_freq
&&
5128 wpa_s
->off_channel_freq
== wpa_s
->pending_listen_freq
) {
5129 p2p_listen_cb(wpa_s
->global
->p2p
, wpa_s
->pending_listen_freq
,
5130 wpa_s
->pending_listen_duration
);
5131 wpa_s
->pending_listen_freq
= 0;
5133 wpa_printf(MSG_DEBUG
, "P2P: Ignore remain-on-channel callback (off_channel_freq=%u pending_listen_freq=%d freq=%u duration=%u)",
5134 wpa_s
->off_channel_freq
, wpa_s
->pending_listen_freq
,
5140 int wpas_p2p_listen_start(struct wpa_supplicant
*wpa_s
, unsigned int timeout
)
5142 /* Limit maximum Listen state time based on driver limitation. */
5143 if (timeout
> wpa_s
->max_remain_on_chan
)
5144 timeout
= wpa_s
->max_remain_on_chan
;
5146 return p2p_listen(wpa_s
->global
->p2p
, timeout
);
5151 * wpas_p2p_cancel_remain_on_channel_cb - Remain-on-channel timeout
5152 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
5153 * @freq: Frequency of the channel in MHz
5155 * This callback is called when the driver indicates that a remain-on-channel
5156 * operation has been completed, i.e., the duration on the requested channel
5159 void wpas_p2p_cancel_remain_on_channel_cb(struct wpa_supplicant
*wpa_s
,
5162 wpa_printf(MSG_DEBUG
, "P2P: Cancel remain-on-channel callback "
5163 "(p2p_long_listen=%d ms pending_action_tx=%p)",
5164 wpa_s
->p2p_long_listen
, offchannel_pending_action_tx(wpa_s
));
5165 wpas_p2p_listen_work_done(wpa_s
);
5166 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
5168 if (wpa_s
->p2p_long_listen
> 0)
5169 wpa_s
->p2p_long_listen
-= wpa_s
->max_remain_on_chan
;
5170 if (p2p_listen_end(wpa_s
->global
->p2p
, freq
) > 0)
5171 return; /* P2P module started a new operation */
5172 if (offchannel_pending_action_tx(wpa_s
))
5174 if (wpa_s
->p2p_long_listen
> 0) {
5175 wpa_printf(MSG_DEBUG
, "P2P: Continuing long Listen state");
5176 wpas_p2p_listen_start(wpa_s
, wpa_s
->p2p_long_listen
);
5179 * When listen duration is over, stop listen & update p2p_state
5182 p2p_stop_listen(wpa_s
->global
->p2p
);
5188 * wpas_p2p_group_remove - Remove a P2P group
5189 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
5190 * @ifname: Network interface name of the group interface or "*" to remove all
5192 * Returns: 0 on success, -1 on failure
5194 * This function is used to remove a P2P group. This can be used to disconnect
5195 * from a group in which the local end is a P2P Client or to end a P2P Group in
5196 * case the local end is the Group Owner. If a virtual network interface was
5197 * created for this group, that interface will be removed. Otherwise, only the
5198 * configured P2P group network will be removed from the interface.
5200 int wpas_p2p_group_remove(struct wpa_supplicant
*wpa_s
, const char *ifname
)
5202 struct wpa_global
*global
= wpa_s
->global
;
5203 struct wpa_supplicant
*calling_wpa_s
= wpa_s
;
5205 if (os_strcmp(ifname
, "*") == 0) {
5206 struct wpa_supplicant
*prev
;
5207 wpa_s
= global
->ifaces
;
5210 wpa_s
= wpa_s
->next
;
5211 if (prev
->p2p_group_interface
!=
5212 NOT_P2P_GROUP_INTERFACE
||
5213 (prev
->current_ssid
&&
5214 prev
->current_ssid
->p2p_group
))
5215 wpas_p2p_disconnect_safely(prev
, calling_wpa_s
);
5220 for (wpa_s
= global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
5221 if (os_strcmp(wpa_s
->ifname
, ifname
) == 0)
5225 return wpas_p2p_disconnect_safely(wpa_s
, calling_wpa_s
);
5229 static int wpas_p2p_select_go_freq(struct wpa_supplicant
*wpa_s
, int freq
)
5234 wpa_printf(MSG_DEBUG
, "P2P: Request to start GO on 2.4 GHz "
5236 if (wpa_s
->best_24_freq
> 0 &&
5237 p2p_supported_freq_go(wpa_s
->global
->p2p
,
5238 wpa_s
->best_24_freq
)) {
5239 freq
= wpa_s
->best_24_freq
;
5240 wpa_printf(MSG_DEBUG
, "P2P: Use best 2.4 GHz band "
5241 "channel: %d MHz", freq
);
5243 if (os_get_random((u8
*) &r
, sizeof(r
)) < 0)
5245 freq
= 2412 + (r
% 3) * 25;
5246 wpa_printf(MSG_DEBUG
, "P2P: Use random 2.4 GHz band "
5247 "channel: %d MHz", freq
);
5252 wpa_printf(MSG_DEBUG
, "P2P: Request to start GO on 5 GHz "
5254 if (wpa_s
->best_5_freq
> 0 &&
5255 p2p_supported_freq_go(wpa_s
->global
->p2p
,
5256 wpa_s
->best_5_freq
)) {
5257 freq
= wpa_s
->best_5_freq
;
5258 wpa_printf(MSG_DEBUG
, "P2P: Use best 5 GHz band "
5259 "channel: %d MHz", freq
);
5261 if (os_get_random((u8
*) &r
, sizeof(r
)) < 0)
5263 freq
= 5180 + (r
% 4) * 20;
5264 if (!p2p_supported_freq_go(wpa_s
->global
->p2p
, freq
)) {
5265 wpa_printf(MSG_DEBUG
, "P2P: Could not select "
5266 "5 GHz channel for P2P group");
5269 wpa_printf(MSG_DEBUG
, "P2P: Use random 5 GHz band "
5270 "channel: %d MHz", freq
);
5274 if (freq
> 0 && !p2p_supported_freq_go(wpa_s
->global
->p2p
, freq
)) {
5275 if ((wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_DFS_OFFLOAD
) &&
5276 ieee80211_is_dfs(freq
)) {
5278 * If freq is a DFS channel and DFS is offloaded to the
5279 * driver, allow P2P GO to use it.
5281 wpa_printf(MSG_DEBUG
, "P2P: "
5282 "%s: The forced channel for GO (%u MHz) is DFS, and DFS is offloaded",
5286 wpa_printf(MSG_DEBUG
, "P2P: The forced channel for GO "
5287 "(%u MHz) is not supported for P2P uses",
5296 static int wpas_p2p_select_freq_no_pref(struct wpa_supplicant
*wpa_s
,
5297 struct p2p_go_neg_results
*params
,
5298 const struct p2p_channels
*channels
)
5302 /* first try some random selection of the social channels */
5303 if (os_get_random((u8
*) &r
, sizeof(r
)) < 0)
5306 for (i
= 0; i
< 3; i
++) {
5307 params
->freq
= 2412 + ((r
+ i
) % 3) * 25;
5308 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, params
->freq
) &&
5309 freq_included(channels
, params
->freq
) &&
5310 p2p_supported_freq(wpa_s
->global
->p2p
, params
->freq
))
5314 /* try all channels in reg. class 81 */
5315 for (i
= 0; i
< 11; i
++) {
5316 params
->freq
= 2412 + i
* 5;
5317 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, params
->freq
) &&
5318 freq_included(channels
, params
->freq
) &&
5319 p2p_supported_freq(wpa_s
->global
->p2p
, params
->freq
))
5323 /* try all channels in operating class 115 */
5324 for (i
= 0; i
< 4; i
++) {
5325 params
->freq
= 5180 + i
* 20;
5326 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, params
->freq
) &&
5327 freq_included(channels
, params
->freq
) &&
5328 p2p_supported_freq(wpa_s
->global
->p2p
, params
->freq
))
5332 /* try all channels in operating class 124 */
5333 for (i
= 0; i
< 4; i
++) {
5334 params
->freq
= 5745 + i
* 20;
5335 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, params
->freq
) &&
5336 freq_included(channels
, params
->freq
) &&
5337 p2p_supported_freq(wpa_s
->global
->p2p
, params
->freq
))
5341 /* try social channel class 180 channel 2 */
5342 params
->freq
= 58320 + 1 * 2160;
5343 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, params
->freq
) &&
5344 freq_included(channels
, params
->freq
) &&
5345 p2p_supported_freq(wpa_s
->global
->p2p
, params
->freq
))
5348 /* try all channels in reg. class 180 */
5349 for (i
= 0; i
< 4; i
++) {
5350 params
->freq
= 58320 + i
* 2160;
5351 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, params
->freq
) &&
5352 freq_included(channels
, params
->freq
) &&
5353 p2p_supported_freq(wpa_s
->global
->p2p
, params
->freq
))
5357 wpa_printf(MSG_DEBUG
, "P2P: No 2.4, 5, or 60 GHz channel allowed");
5360 wpa_printf(MSG_DEBUG
, "P2P: Set GO freq %d MHz (no preference known)",
5366 static int wpas_p2p_init_go_params(struct wpa_supplicant
*wpa_s
,
5367 struct p2p_go_neg_results
*params
,
5368 int freq
, int ht40
, int vht
,
5369 const struct p2p_channels
*channels
)
5371 struct wpa_used_freq_data
*freqs
;
5372 unsigned int pref_freq
, cand_freq
;
5373 unsigned int num
, i
;
5375 os_memset(params
, 0, sizeof(*params
));
5376 params
->role_go
= 1;
5377 params
->ht40
= ht40
;
5380 if (!freq_included(channels
, freq
)) {
5381 wpa_printf(MSG_DEBUG
, "P2P: Forced GO freq %d MHz not "
5385 wpa_printf(MSG_DEBUG
, "P2P: Set GO freq based on forced "
5386 "frequency %d MHz", freq
);
5387 params
->freq
= freq
;
5388 } else if (wpa_s
->conf
->p2p_oper_reg_class
== 81 &&
5389 wpa_s
->conf
->p2p_oper_channel
>= 1 &&
5390 wpa_s
->conf
->p2p_oper_channel
<= 11 &&
5391 freq_included(channels
,
5392 2407 + 5 * wpa_s
->conf
->p2p_oper_channel
)) {
5393 params
->freq
= 2407 + 5 * wpa_s
->conf
->p2p_oper_channel
;
5394 wpa_printf(MSG_DEBUG
, "P2P: Set GO freq based on configured "
5395 "frequency %d MHz", params
->freq
);
5396 } else if ((wpa_s
->conf
->p2p_oper_reg_class
== 115 ||
5397 wpa_s
->conf
->p2p_oper_reg_class
== 116 ||
5398 wpa_s
->conf
->p2p_oper_reg_class
== 117 ||
5399 wpa_s
->conf
->p2p_oper_reg_class
== 124 ||
5400 wpa_s
->conf
->p2p_oper_reg_class
== 125 ||
5401 wpa_s
->conf
->p2p_oper_reg_class
== 126 ||
5402 wpa_s
->conf
->p2p_oper_reg_class
== 127) &&
5403 freq_included(channels
,
5404 5000 + 5 * wpa_s
->conf
->p2p_oper_channel
)) {
5405 params
->freq
= 5000 + 5 * wpa_s
->conf
->p2p_oper_channel
;
5406 wpa_printf(MSG_DEBUG
, "P2P: Set GO freq based on configured "
5407 "frequency %d MHz", params
->freq
);
5408 } else if (wpa_s
->conf
->p2p_oper_channel
== 0 &&
5409 wpa_s
->best_overall_freq
> 0 &&
5410 p2p_supported_freq_go(wpa_s
->global
->p2p
,
5411 wpa_s
->best_overall_freq
) &&
5412 freq_included(channels
, wpa_s
->best_overall_freq
)) {
5413 params
->freq
= wpa_s
->best_overall_freq
;
5414 wpa_printf(MSG_DEBUG
, "P2P: Set GO freq based on best overall "
5415 "channel %d MHz", params
->freq
);
5416 } else if (wpa_s
->conf
->p2p_oper_channel
== 0 &&
5417 wpa_s
->best_24_freq
> 0 &&
5418 p2p_supported_freq_go(wpa_s
->global
->p2p
,
5419 wpa_s
->best_24_freq
) &&
5420 freq_included(channels
, wpa_s
->best_24_freq
)) {
5421 params
->freq
= wpa_s
->best_24_freq
;
5422 wpa_printf(MSG_DEBUG
, "P2P: Set GO freq based on best 2.4 GHz "
5423 "channel %d MHz", params
->freq
);
5424 } else if (wpa_s
->conf
->p2p_oper_channel
== 0 &&
5425 wpa_s
->best_5_freq
> 0 &&
5426 p2p_supported_freq_go(wpa_s
->global
->p2p
,
5427 wpa_s
->best_5_freq
) &&
5428 freq_included(channels
, wpa_s
->best_5_freq
)) {
5429 params
->freq
= wpa_s
->best_5_freq
;
5430 wpa_printf(MSG_DEBUG
, "P2P: Set GO freq based on best 5 GHz "
5431 "channel %d MHz", params
->freq
);
5432 } else if ((pref_freq
= p2p_get_pref_freq(wpa_s
->global
->p2p
,
5434 params
->freq
= pref_freq
;
5435 wpa_printf(MSG_DEBUG
, "P2P: Set GO freq %d MHz from preferred "
5436 "channels", params
->freq
);
5438 /* no preference, select some channel */
5439 if (wpas_p2p_select_freq_no_pref(wpa_s
, params
, channels
) < 0)
5443 freqs
= os_calloc(wpa_s
->num_multichan_concurrent
,
5444 sizeof(struct wpa_used_freq_data
));
5448 num
= wpas_p2p_valid_oper_freqs(wpa_s
, freqs
,
5449 wpa_s
->num_multichan_concurrent
);
5451 cand_freq
= wpas_p2p_pick_best_used_freq(wpa_s
, freqs
, num
);
5453 /* First try the best used frequency if possible */
5454 if (!freq
&& cand_freq
> 0 && freq_included(channels
, cand_freq
)) {
5455 params
->freq
= cand_freq
;
5457 /* Try any of the used frequencies */
5458 for (i
= 0; i
< num
; i
++) {
5459 if (freq_included(channels
, freqs
[i
].freq
)) {
5460 wpa_printf(MSG_DEBUG
, "P2P: Force GO on a channel we are already using (%u MHz)",
5462 params
->freq
= freqs
[i
].freq
;
5468 if (wpas_p2p_num_unused_channels(wpa_s
) <= 0) {
5469 wpa_printf(MSG_DEBUG
, "P2P: Cannot force GO on any of the channels we are already using");
5473 wpa_printf(MSG_DEBUG
, "P2P: Cannot force GO on any of the channels we are already using. Use one of the free channels");
5477 for (i
= 0; i
< num
; i
++) {
5478 if (freqs
[i
].freq
== freq
)
5483 if (wpas_p2p_num_unused_channels(wpa_s
) <= 0) {
5485 wpa_printf(MSG_DEBUG
, "P2P: Cannot force GO on freq (%u MHz) as all the channels are in use", freq
);
5489 wpa_printf(MSG_DEBUG
, "P2P: Use one of the free channels");
5499 static struct wpa_supplicant
*
5500 wpas_p2p_get_group_iface(struct wpa_supplicant
*wpa_s
, int addr_allocated
,
5503 struct wpa_supplicant
*group_wpa_s
;
5505 if (!wpas_p2p_create_iface(wpa_s
)) {
5506 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Use same interface for group "
5508 wpa_s
->p2p_first_connection_timeout
= 0;
5512 if (wpas_p2p_add_group_interface(wpa_s
, go
? WPA_IF_P2P_GO
:
5513 WPA_IF_P2P_CLIENT
) < 0) {
5514 wpa_msg_global(wpa_s
, MSG_ERROR
,
5515 "P2P: Failed to add group interface");
5518 group_wpa_s
= wpas_p2p_init_group_interface(wpa_s
, go
);
5519 if (group_wpa_s
== NULL
) {
5520 wpa_msg_global(wpa_s
, MSG_ERROR
,
5521 "P2P: Failed to initialize group interface");
5522 wpas_p2p_remove_pending_group_interface(wpa_s
);
5526 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Use separate group interface %s",
5527 group_wpa_s
->ifname
);
5528 group_wpa_s
->p2p_first_connection_timeout
= 0;
5534 * wpas_p2p_group_add - Add a new P2P group with local end as Group Owner
5535 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
5536 * @persistent_group: Whether to create a persistent group
5537 * @freq: Frequency for the group or 0 to indicate no hardcoding
5538 * @ht40: Start GO with 40 MHz channel width
5539 * @vht: Start GO with VHT support
5540 * Returns: 0 on success, -1 on failure
5542 * This function creates a new P2P group with the local end as the Group Owner,
5543 * i.e., without using Group Owner Negotiation.
5545 int wpas_p2p_group_add(struct wpa_supplicant
*wpa_s
, int persistent_group
,
5546 int freq
, int ht40
, int vht
)
5548 struct p2p_go_neg_results params
;
5550 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
5553 os_free(wpa_s
->global
->add_psk
);
5554 wpa_s
->global
->add_psk
= NULL
;
5556 /* Make sure we are not running find during connection establishment */
5557 wpa_printf(MSG_DEBUG
, "P2P: Stop any on-going P2P FIND");
5558 wpas_p2p_stop_find_oper(wpa_s
);
5560 freq
= wpas_p2p_select_go_freq(wpa_s
, freq
);
5564 if (wpas_p2p_init_go_params(wpa_s
, ¶ms
, freq
, ht40
, vht
, NULL
))
5567 !p2p_supported_freq_go(wpa_s
->global
->p2p
, params
.freq
)) {
5568 if ((wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_DFS_OFFLOAD
) &&
5569 ieee80211_is_dfs(params
.freq
)) {
5571 * If freq is a DFS channel and DFS is offloaded to the
5572 * driver, allow P2P GO to use it.
5574 wpa_printf(MSG_DEBUG
,
5575 "P2P: %s: The forced channel for GO (%u MHz) is DFS, and DFS is offloaded to driver",
5576 __func__
, params
.freq
);
5578 wpa_printf(MSG_DEBUG
,
5579 "P2P: The selected channel for GO (%u MHz) is not supported for P2P uses",
5584 p2p_go_params(wpa_s
->global
->p2p
, ¶ms
);
5585 params
.persistent_group
= persistent_group
;
5587 wpa_s
= wpas_p2p_get_group_iface(wpa_s
, 0, 1);
5590 wpas_start_wps_go(wpa_s
, ¶ms
, 0);
5596 static int wpas_start_p2p_client(struct wpa_supplicant
*wpa_s
,
5597 struct wpa_ssid
*params
, int addr_allocated
,
5600 struct wpa_ssid
*ssid
;
5602 wpa_s
= wpas_p2p_get_group_iface(wpa_s
, addr_allocated
, 0);
5605 wpa_s
->p2p_last_4way_hs_fail
= NULL
;
5607 wpa_supplicant_ap_deinit(wpa_s
);
5609 ssid
= wpa_config_add_network(wpa_s
->conf
);
5612 wpa_config_set_network_defaults(ssid
);
5613 ssid
->temporary
= 1;
5614 ssid
->proto
= WPA_PROTO_RSN
;
5615 ssid
->pairwise_cipher
= WPA_CIPHER_CCMP
;
5616 ssid
->group_cipher
= WPA_CIPHER_CCMP
;
5617 ssid
->key_mgmt
= WPA_KEY_MGMT_PSK
;
5618 ssid
->ssid
= os_malloc(params
->ssid_len
);
5619 if (ssid
->ssid
== NULL
) {
5620 wpa_config_remove_network(wpa_s
->conf
, ssid
->id
);
5623 os_memcpy(ssid
->ssid
, params
->ssid
, params
->ssid_len
);
5624 ssid
->ssid_len
= params
->ssid_len
;
5625 ssid
->p2p_group
= 1;
5626 ssid
->export_keys
= 1;
5627 if (params
->psk_set
) {
5628 os_memcpy(ssid
->psk
, params
->psk
, 32);
5631 if (params
->passphrase
)
5632 ssid
->passphrase
= os_strdup(params
->passphrase
);
5634 wpa_s
->show_group_started
= 1;
5635 wpa_s
->p2p_in_invitation
= 1;
5636 wpa_s
->p2p_invite_go_freq
= freq
;
5638 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
, wpa_s
->parent
,
5640 eloop_register_timeout(P2P_MAX_INITIAL_CONN_WAIT
, 0,
5641 wpas_p2p_group_formation_timeout
,
5642 wpa_s
->parent
, NULL
);
5643 wpa_supplicant_select_network(wpa_s
, ssid
);
5649 int wpas_p2p_group_add_persistent(struct wpa_supplicant
*wpa_s
,
5650 struct wpa_ssid
*ssid
, int addr_allocated
,
5651 int force_freq
, int neg_freq
, int ht40
,
5652 int vht
, const struct p2p_channels
*channels
,
5653 int connection_timeout
)
5655 struct p2p_go_neg_results params
;
5658 if (ssid
->disabled
!= 2 || ssid
->ssid
== NULL
)
5661 if (wpas_get_p2p_group(wpa_s
, ssid
->ssid
, ssid
->ssid_len
, &go
) &&
5662 go
== (ssid
->mode
== WPAS_MODE_P2P_GO
)) {
5663 wpa_printf(MSG_DEBUG
, "P2P: Requested persistent group is "
5666 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
,
5667 wpa_s
->parent
, NULL
)) {
5669 * This can happen if Invitation Response frame was lost
5670 * and the peer (GO of a persistent group) tries to
5671 * invite us again. Reschedule the timeout to avoid
5672 * terminating the wait for the connection too early
5673 * since we now know that the peer is still trying to
5674 * invite us instead of having already started the GO.
5676 wpa_printf(MSG_DEBUG
,
5677 "P2P: Reschedule group formation timeout since peer is still trying to invite us");
5678 eloop_register_timeout(P2P_MAX_INITIAL_CONN_WAIT
, 0,
5679 wpas_p2p_group_formation_timeout
,
5680 wpa_s
->parent
, NULL
);
5685 os_free(wpa_s
->global
->add_psk
);
5686 wpa_s
->global
->add_psk
= NULL
;
5688 /* Make sure we are not running find during connection establishment */
5689 wpas_p2p_stop_find_oper(wpa_s
);
5691 wpa_s
->p2p_fallback_to_go_neg
= 0;
5693 if (ssid
->mode
== WPAS_MODE_P2P_GO
) {
5694 if (force_freq
> 0) {
5695 freq
= wpas_p2p_select_go_freq(wpa_s
, force_freq
);
5699 freq
= wpas_p2p_select_go_freq(wpa_s
, neg_freq
);
5701 (freq
> 0 && !freq_included(channels
, freq
)))
5704 } else if (ssid
->mode
== WPAS_MODE_INFRA
) {
5706 if (freq
<= 0 || !freq_included(channels
, freq
)) {
5707 struct os_reltime now
;
5708 struct wpa_bss
*bss
=
5709 wpa_bss_get_p2p_dev_addr(wpa_s
, ssid
->bssid
);
5711 os_get_reltime(&now
);
5713 !os_reltime_expired(&now
, &bss
->last_update
, 5) &&
5714 freq_included(channels
, bss
->freq
))
5720 return wpas_start_p2p_client(wpa_s
, ssid
, addr_allocated
, freq
);
5725 if (wpas_p2p_init_go_params(wpa_s
, ¶ms
, freq
, ht40
, vht
, channels
))
5729 params
.psk_set
= ssid
->psk_set
;
5731 os_memcpy(params
.psk
, ssid
->psk
, sizeof(params
.psk
));
5732 if (ssid
->passphrase
) {
5733 if (os_strlen(ssid
->passphrase
) >= sizeof(params
.passphrase
)) {
5734 wpa_printf(MSG_ERROR
, "P2P: Invalid passphrase in "
5735 "persistent group");
5738 os_strlcpy(params
.passphrase
, ssid
->passphrase
,
5739 sizeof(params
.passphrase
));
5741 os_memcpy(params
.ssid
, ssid
->ssid
, ssid
->ssid_len
);
5742 params
.ssid_len
= ssid
->ssid_len
;
5743 params
.persistent_group
= 1;
5745 wpa_s
= wpas_p2p_get_group_iface(wpa_s
, addr_allocated
, 1);
5749 p2p_channels_to_freqs(channels
, params
.freq_list
, P2P_MAX_CHANNELS
);
5751 wpa_s
->p2p_first_connection_timeout
= connection_timeout
;
5752 wpas_start_wps_go(wpa_s
, ¶ms
, 0);
5758 static void wpas_p2p_ie_update(void *ctx
, struct wpabuf
*beacon_ies
,
5759 struct wpabuf
*proberesp_ies
)
5761 struct wpa_supplicant
*wpa_s
= ctx
;
5762 if (wpa_s
->ap_iface
) {
5763 struct hostapd_data
*hapd
= wpa_s
->ap_iface
->bss
[0];
5764 if (!(hapd
->conf
->p2p
& P2P_GROUP_OWNER
)) {
5765 wpabuf_free(beacon_ies
);
5766 wpabuf_free(proberesp_ies
);
5770 wpabuf_free(hapd
->p2p_beacon_ie
);
5771 hapd
->p2p_beacon_ie
= beacon_ies
;
5773 wpabuf_free(hapd
->p2p_probe_resp_ie
);
5774 hapd
->p2p_probe_resp_ie
= proberesp_ies
;
5776 wpabuf_free(beacon_ies
);
5777 wpabuf_free(proberesp_ies
);
5779 wpa_supplicant_ap_update_beacon(wpa_s
);
5783 static void wpas_p2p_idle_update(void *ctx
, int idle
)
5785 struct wpa_supplicant
*wpa_s
= ctx
;
5786 if (!wpa_s
->ap_iface
)
5788 wpa_printf(MSG_DEBUG
, "P2P: GO - group %sidle", idle
? "" : "not ");
5790 if (wpa_s
->global
->p2p_fail_on_wps_complete
&&
5791 wpa_s
->p2p_in_provisioning
) {
5792 wpas_p2p_grpform_fail_after_wps(wpa_s
);
5795 wpas_p2p_set_group_idle_timeout(wpa_s
);
5797 eloop_cancel_timeout(wpas_p2p_group_idle_timeout
, wpa_s
, NULL
);
5801 struct p2p_group
* wpas_p2p_group_init(struct wpa_supplicant
*wpa_s
,
5802 struct wpa_ssid
*ssid
)
5804 struct p2p_group
*group
;
5805 struct p2p_group_config
*cfg
;
5807 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
5810 cfg
= os_zalloc(sizeof(*cfg
));
5814 if (ssid
->p2p_persistent_group
&& wpa_s
->conf
->persistent_reconnect
)
5815 cfg
->persistent_group
= 2;
5816 else if (ssid
->p2p_persistent_group
)
5817 cfg
->persistent_group
= 1;
5818 os_memcpy(cfg
->interface_addr
, wpa_s
->own_addr
, ETH_ALEN
);
5819 if (wpa_s
->max_stations
&&
5820 wpa_s
->max_stations
< wpa_s
->conf
->max_num_sta
)
5821 cfg
->max_clients
= wpa_s
->max_stations
;
5823 cfg
->max_clients
= wpa_s
->conf
->max_num_sta
;
5824 os_memcpy(cfg
->ssid
, ssid
->ssid
, ssid
->ssid_len
);
5825 cfg
->ssid_len
= ssid
->ssid_len
;
5826 cfg
->freq
= ssid
->frequency
;
5827 cfg
->cb_ctx
= wpa_s
;
5828 cfg
->ie_update
= wpas_p2p_ie_update
;
5829 cfg
->idle_update
= wpas_p2p_idle_update
;
5831 group
= p2p_group_init(wpa_s
->global
->p2p
, cfg
);
5834 if (ssid
->mode
!= WPAS_MODE_P2P_GROUP_FORMATION
)
5835 p2p_group_notif_formation_done(group
);
5836 wpa_s
->p2p_group
= group
;
5841 void wpas_p2p_wps_success(struct wpa_supplicant
*wpa_s
, const u8
*peer_addr
,
5844 struct wpa_ssid
*ssid
= wpa_s
->current_ssid
;
5846 if (!wpa_s
->p2p_in_provisioning
) {
5847 wpa_printf(MSG_DEBUG
, "P2P: Ignore WPS success event - P2P "
5848 "provisioning not in progress");
5852 if (ssid
&& ssid
->mode
== WPAS_MODE_INFRA
) {
5853 u8 go_dev_addr
[ETH_ALEN
];
5854 os_memcpy(go_dev_addr
, wpa_s
->bssid
, ETH_ALEN
);
5855 wpas_p2p_persistent_group(wpa_s
, go_dev_addr
, ssid
->ssid
,
5857 /* Clear any stored provisioning info */
5858 p2p_clear_provisioning_info(wpa_s
->global
->p2p
, go_dev_addr
);
5861 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
, wpa_s
->parent
,
5863 wpa_s
->p2p_go_group_formation_completed
= 1;
5864 if (ssid
&& ssid
->mode
== WPAS_MODE_INFRA
) {
5866 * Use a separate timeout for initial data connection to
5867 * complete to allow the group to be removed automatically if
5868 * something goes wrong in this step before the P2P group idle
5869 * timeout mechanism is taken into use.
5871 wpa_dbg(wpa_s
, MSG_DEBUG
,
5872 "P2P: Re-start group formation timeout (%d seconds) as client for initial connection",
5873 P2P_MAX_INITIAL_CONN_WAIT
);
5874 eloop_register_timeout(P2P_MAX_INITIAL_CONN_WAIT
, 0,
5875 wpas_p2p_group_formation_timeout
,
5876 wpa_s
->parent
, NULL
);
5879 * Use a separate timeout for initial data connection to
5880 * complete to allow the group to be removed automatically if
5881 * the client does not complete data connection successfully.
5883 wpa_dbg(wpa_s
, MSG_DEBUG
,
5884 "P2P: Re-start group formation timeout (%d seconds) as GO for initial connection",
5885 P2P_MAX_INITIAL_CONN_WAIT_GO
);
5886 eloop_register_timeout(P2P_MAX_INITIAL_CONN_WAIT_GO
, 0,
5887 wpas_p2p_group_formation_timeout
,
5888 wpa_s
->parent
, NULL
);
5890 * Complete group formation on first successful data connection
5892 wpa_s
->p2p_go_group_formation_completed
= 0;
5894 if (wpa_s
->global
->p2p
)
5895 p2p_wps_success_cb(wpa_s
->global
->p2p
, peer_addr
);
5896 wpas_group_formation_completed(wpa_s
, 1, 0);
5900 void wpas_p2p_wps_failed(struct wpa_supplicant
*wpa_s
,
5901 struct wps_event_fail
*fail
)
5903 if (!wpa_s
->p2p_in_provisioning
) {
5904 wpa_printf(MSG_DEBUG
, "P2P: Ignore WPS fail event - P2P "
5905 "provisioning not in progress");
5909 if (wpa_s
->go_params
) {
5910 p2p_clear_provisioning_info(
5912 wpa_s
->go_params
->peer_device_addr
);
5915 wpas_notify_p2p_wps_failed(wpa_s
, fail
);
5917 if (wpa_s
== wpa_s
->global
->p2p_group_formation
) {
5919 * Allow some time for the failed WPS negotiation exchange to
5920 * complete, but remove the group since group formation cannot
5921 * succeed after provisioning failure.
5923 wpa_printf(MSG_DEBUG
, "P2P: WPS step failed during group formation - reject connection from timeout");
5924 wpa_s
->global
->p2p_fail_on_wps_complete
= 1;
5925 eloop_deplete_timeout(0, 50000,
5926 wpas_p2p_group_formation_timeout
,
5927 wpa_s
->parent
, NULL
);
5932 int wpas_p2p_wps_eapol_cb(struct wpa_supplicant
*wpa_s
)
5934 if (!wpa_s
->global
->p2p_fail_on_wps_complete
||
5935 !wpa_s
->p2p_in_provisioning
)
5938 wpas_p2p_grpform_fail_after_wps(wpa_s
);
5944 int wpas_p2p_prov_disc(struct wpa_supplicant
*wpa_s
, const u8
*peer_addr
,
5945 const char *config_method
,
5946 enum wpas_p2p_prov_disc_use use
,
5947 struct p2ps_provision
*p2ps_prov
)
5951 wpa_s
->global
->pending_p2ps_group
= 0;
5952 wpa_s
->p2p_fallback_to_go_neg
= 0;
5953 wpa_s
->pending_pd_use
= NORMAL_PD
;
5954 if (p2ps_prov
&& use
== WPAS_P2P_PD_FOR_ASP
) {
5955 p2ps_prov
->conncap
= p2ps_group_capability(
5956 wpa_s
, P2PS_SETUP_NONE
, p2ps_prov
->role
);
5957 wpa_printf(MSG_DEBUG
,
5958 "P2P: %s conncap: %d - ASP parsed: %x %x %d %s",
5959 __func__
, p2ps_prov
->conncap
,
5960 p2ps_prov
->adv_id
, p2ps_prov
->conncap
,
5961 p2ps_prov
->status
, p2ps_prov
->info
);
5964 } else if (os_strncmp(config_method
, "display", 7) == 0)
5965 config_methods
= WPS_CONFIG_DISPLAY
;
5966 else if (os_strncmp(config_method
, "keypad", 6) == 0)
5967 config_methods
= WPS_CONFIG_KEYPAD
;
5968 else if (os_strncmp(config_method
, "pbc", 3) == 0 ||
5969 os_strncmp(config_method
, "pushbutton", 10) == 0)
5970 config_methods
= WPS_CONFIG_PUSHBUTTON
;
5972 wpa_printf(MSG_DEBUG
, "P2P: Unknown config method");
5977 if (use
== WPAS_P2P_PD_AUTO
) {
5978 os_memcpy(wpa_s
->pending_join_dev_addr
, peer_addr
, ETH_ALEN
);
5979 wpa_s
->pending_pd_config_methods
= config_methods
;
5980 wpa_s
->p2p_auto_pd
= 1;
5981 wpa_s
->p2p_auto_join
= 0;
5982 wpa_s
->pending_pd_before_join
= 0;
5983 wpa_s
->auto_pd_scan_retry
= 0;
5984 wpas_p2p_stop_find(wpa_s
);
5985 wpa_s
->p2p_join_scan_count
= 0;
5986 os_get_reltime(&wpa_s
->p2p_auto_started
);
5987 wpa_printf(MSG_DEBUG
, "P2P: Auto PD started at %ld.%06ld",
5988 wpa_s
->p2p_auto_started
.sec
,
5989 wpa_s
->p2p_auto_started
.usec
);
5990 wpas_p2p_join_scan(wpa_s
, NULL
);
5994 if (wpa_s
->global
->p2p
== NULL
|| wpa_s
->global
->p2p_disabled
) {
5999 return p2p_prov_disc_req(wpa_s
->global
->p2p
, peer_addr
, p2ps_prov
,
6000 config_methods
, use
== WPAS_P2P_PD_FOR_JOIN
,
6005 int wpas_p2p_scan_result_text(const u8
*ies
, size_t ies_len
, char *buf
,
6008 return p2p_scan_result_text(ies
, ies_len
, buf
, end
);
6012 static void wpas_p2p_clear_pending_action_tx(struct wpa_supplicant
*wpa_s
)
6014 if (!offchannel_pending_action_tx(wpa_s
))
6017 wpas_p2p_action_tx_clear(wpa_s
);
6019 wpa_printf(MSG_DEBUG
, "P2P: Drop pending Action TX due to new "
6020 "operation request");
6021 offchannel_clear_pending_action_tx(wpa_s
);
6025 int wpas_p2p_find(struct wpa_supplicant
*wpa_s
, unsigned int timeout
,
6026 enum p2p_discovery_type type
,
6027 unsigned int num_req_dev_types
, const u8
*req_dev_types
,
6028 const u8
*dev_id
, unsigned int search_delay
,
6029 u8 seek_cnt
, const char **seek_string
, int freq
)
6031 wpas_p2p_clear_pending_action_tx(wpa_s
);
6032 wpa_s
->p2p_long_listen
= 0;
6034 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
||
6035 wpa_s
->p2p_in_provisioning
)
6038 wpa_supplicant_cancel_sched_scan(wpa_s
);
6040 return p2p_find(wpa_s
->global
->p2p
, timeout
, type
,
6041 num_req_dev_types
, req_dev_types
, dev_id
,
6042 search_delay
, seek_cnt
, seek_string
, freq
);
6046 static void wpas_p2p_scan_res_ignore_search(struct wpa_supplicant
*wpa_s
,
6047 struct wpa_scan_results
*scan_res
)
6049 wpa_printf(MSG_DEBUG
, "P2P: Ignore scan results");
6051 if (wpa_s
->p2p_scan_work
) {
6052 struct wpa_radio_work
*work
= wpa_s
->p2p_scan_work
;
6053 wpa_s
->p2p_scan_work
= NULL
;
6054 radio_work_done(work
);
6057 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
6061 * Indicate that results have been processed so that the P2P module can
6062 * continue pending tasks.
6064 p2p_scan_res_handled(wpa_s
->global
->p2p
);
6068 static void wpas_p2p_stop_find_oper(struct wpa_supplicant
*wpa_s
)
6070 wpas_p2p_clear_pending_action_tx(wpa_s
);
6071 wpa_s
->p2p_long_listen
= 0;
6072 eloop_cancel_timeout(wpas_p2p_long_listen_timeout
, wpa_s
, NULL
);
6073 eloop_cancel_timeout(wpas_p2p_join_scan
, wpa_s
, NULL
);
6075 if (wpa_s
->global
->p2p
)
6076 p2p_stop_find(wpa_s
->global
->p2p
);
6078 if (wpa_s
->scan_res_handler
== wpas_p2p_scan_res_handler
) {
6079 wpa_printf(MSG_DEBUG
,
6080 "P2P: Do not consider the scan results after stop_find");
6081 wpa_s
->scan_res_handler
= wpas_p2p_scan_res_ignore_search
;
6086 void wpas_p2p_stop_find(struct wpa_supplicant
*wpa_s
)
6088 wpas_p2p_stop_find_oper(wpa_s
);
6089 if (!wpa_s
->global
->pending_group_iface_for_p2ps
)
6090 wpas_p2p_remove_pending_group_interface(wpa_s
);
6094 static void wpas_p2p_long_listen_timeout(void *eloop_ctx
, void *timeout_ctx
)
6096 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
6097 wpa_s
->p2p_long_listen
= 0;
6101 int wpas_p2p_listen(struct wpa_supplicant
*wpa_s
, unsigned int timeout
)
6105 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
6108 wpa_supplicant_cancel_sched_scan(wpa_s
);
6109 wpas_p2p_clear_pending_action_tx(wpa_s
);
6113 * This is a request for unlimited Listen state. However, at
6114 * least for now, this is mapped to a Listen state for one
6119 eloop_cancel_timeout(wpas_p2p_long_listen_timeout
, wpa_s
, NULL
);
6120 wpa_s
->p2p_long_listen
= 0;
6123 * Stop previous find/listen operation to avoid trying to request a new
6124 * remain-on-channel operation while the driver is still running the
6127 if (wpa_s
->global
->p2p
)
6128 p2p_stop_find(wpa_s
->global
->p2p
);
6130 res
= wpas_p2p_listen_start(wpa_s
, timeout
* 1000);
6131 if (res
== 0 && timeout
* 1000 > wpa_s
->max_remain_on_chan
) {
6132 wpa_s
->p2p_long_listen
= timeout
* 1000;
6133 eloop_register_timeout(timeout
, 0,
6134 wpas_p2p_long_listen_timeout
,
6142 int wpas_p2p_assoc_req_ie(struct wpa_supplicant
*wpa_s
, struct wpa_bss
*bss
,
6143 u8
*buf
, size_t len
, int p2p_group
)
6145 struct wpabuf
*p2p_ie
;
6148 if (wpa_s
->global
->p2p_disabled
)
6151 * Advertize mandatory cross connection capability even on
6152 * p2p_disabled=1 interface when associating with a P2P Manager WLAN AP.
6154 if (wpa_s
->conf
->p2p_disabled
&& p2p_group
)
6156 if (wpa_s
->global
->p2p
== NULL
)
6161 p2p_ie
= wpa_bss_get_vendor_ie_multi(bss
, P2P_IE_VENDOR_TYPE
);
6162 ret
= p2p_assoc_req_ie(wpa_s
->global
->p2p
, bss
->bssid
, buf
, len
,
6164 wpabuf_free(p2p_ie
);
6170 int wpas_p2p_probe_req_rx(struct wpa_supplicant
*wpa_s
, const u8
*addr
,
6171 const u8
*dst
, const u8
*bssid
,
6172 const u8
*ie
, size_t ie_len
,
6173 unsigned int rx_freq
, int ssi_signal
)
6175 if (wpa_s
->global
->p2p_disabled
)
6177 if (wpa_s
->global
->p2p
== NULL
)
6180 switch (p2p_probe_req_rx(wpa_s
->global
->p2p
, addr
, dst
, bssid
,
6181 ie
, ie_len
, rx_freq
)) {
6182 case P2P_PREQ_NOT_P2P
:
6183 wpas_notify_preq(wpa_s
, addr
, dst
, bssid
, ie
, ie_len
,
6186 case P2P_PREQ_MALFORMED
:
6187 case P2P_PREQ_NOT_LISTEN
:
6188 case P2P_PREQ_NOT_PROCESSED
:
6189 default: /* make gcc happy */
6191 case P2P_PREQ_PROCESSED
:
6197 void wpas_p2p_rx_action(struct wpa_supplicant
*wpa_s
, const u8
*da
,
6198 const u8
*sa
, const u8
*bssid
,
6199 u8 category
, const u8
*data
, size_t len
, int freq
)
6201 if (wpa_s
->global
->p2p_disabled
)
6203 if (wpa_s
->global
->p2p
== NULL
)
6206 p2p_rx_action(wpa_s
->global
->p2p
, da
, sa
, bssid
, category
, data
, len
,
6211 void wpas_p2p_scan_ie(struct wpa_supplicant
*wpa_s
, struct wpabuf
*ies
)
6213 if (wpa_s
->global
->p2p_disabled
)
6215 if (wpa_s
->global
->p2p
== NULL
)
6218 p2p_scan_ie(wpa_s
->global
->p2p
, ies
, NULL
);
6222 static void wpas_p2p_group_deinit(struct wpa_supplicant
*wpa_s
)
6224 p2p_group_deinit(wpa_s
->p2p_group
);
6225 wpa_s
->p2p_group
= NULL
;
6227 wpa_s
->ap_configured_cb
= NULL
;
6228 wpa_s
->ap_configured_cb_ctx
= NULL
;
6229 wpa_s
->ap_configured_cb_data
= NULL
;
6230 wpa_s
->connect_without_scan
= NULL
;
6234 int wpas_p2p_reject(struct wpa_supplicant
*wpa_s
, const u8
*addr
)
6236 wpa_s
->p2p_long_listen
= 0;
6238 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
6241 return p2p_reject(wpa_s
->global
->p2p
, addr
);
6245 /* Invite to reinvoke a persistent group */
6246 int wpas_p2p_invite(struct wpa_supplicant
*wpa_s
, const u8
*peer_addr
,
6247 struct wpa_ssid
*ssid
, const u8
*go_dev_addr
, int freq
,
6248 int ht40
, int vht
, int pref_freq
)
6250 enum p2p_invite_role role
;
6254 int no_pref_freq_given
= pref_freq
== 0;
6255 unsigned int pref_freq_list
[P2P_MAX_PREF_CHANNELS
], size
;
6257 wpa_s
->global
->p2p_invite_group
= NULL
;
6259 os_memcpy(wpa_s
->p2p_auth_invite
, peer_addr
, ETH_ALEN
);
6261 os_memset(wpa_s
->p2p_auth_invite
, 0, ETH_ALEN
);
6263 wpa_s
->p2p_persistent_go_freq
= freq
;
6264 wpa_s
->p2p_go_ht40
= !!ht40
;
6265 if (ssid
->mode
== WPAS_MODE_P2P_GO
) {
6266 role
= P2P_INVITE_ROLE_GO
;
6267 if (peer_addr
== NULL
) {
6268 wpa_printf(MSG_DEBUG
, "P2P: Missing peer "
6269 "address in invitation command");
6272 if (wpas_p2p_create_iface(wpa_s
)) {
6273 if (wpas_p2p_add_group_interface(wpa_s
,
6274 WPA_IF_P2P_GO
) < 0) {
6275 wpa_printf(MSG_ERROR
, "P2P: Failed to "
6276 "allocate a new interface for the "
6280 bssid
= wpa_s
->pending_interface_addr
;
6282 bssid
= wpa_s
->own_addr
;
6284 role
= P2P_INVITE_ROLE_CLIENT
;
6285 peer_addr
= ssid
->bssid
;
6287 wpa_s
->pending_invite_ssid_id
= ssid
->id
;
6289 size
= P2P_MAX_PREF_CHANNELS
;
6290 res
= wpas_p2p_setup_freqs(wpa_s
, freq
, &force_freq
, &pref_freq
,
6291 role
== P2P_INVITE_ROLE_GO
,
6292 pref_freq_list
, &size
);
6296 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
6299 if (wpa_s
->parent
->conf
->p2p_ignore_shared_freq
&&
6300 no_pref_freq_given
&& pref_freq
> 0 &&
6301 wpa_s
->num_multichan_concurrent
> 1 &&
6302 wpas_p2p_num_unused_channels(wpa_s
) > 0) {
6303 wpa_printf(MSG_DEBUG
, "P2P: Ignore own channel preference %d MHz for invitation due to p2p_ignore_shared_freq=1 configuration",
6309 * Stop any find/listen operations before invitation and possibly
6310 * connection establishment.
6312 wpas_p2p_stop_find_oper(wpa_s
);
6314 return p2p_invite(wpa_s
->global
->p2p
, peer_addr
, role
, bssid
,
6315 ssid
->ssid
, ssid
->ssid_len
, force_freq
, go_dev_addr
,
6320 /* Invite to join an active group */
6321 int wpas_p2p_invite_group(struct wpa_supplicant
*wpa_s
, const char *ifname
,
6322 const u8
*peer_addr
, const u8
*go_dev_addr
)
6324 struct wpa_global
*global
= wpa_s
->global
;
6325 enum p2p_invite_role role
;
6327 struct wpa_ssid
*ssid
;
6329 int freq
= 0, force_freq
= 0, pref_freq
= 0;
6331 unsigned int pref_freq_list
[P2P_MAX_PREF_CHANNELS
], size
;
6333 wpa_s
->p2p_persistent_go_freq
= 0;
6334 wpa_s
->p2p_go_ht40
= 0;
6335 wpa_s
->p2p_go_vht
= 0;
6337 for (wpa_s
= global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
6338 if (os_strcmp(wpa_s
->ifname
, ifname
) == 0)
6341 if (wpa_s
== NULL
) {
6342 wpa_printf(MSG_DEBUG
, "P2P: Interface '%s' not found", ifname
);
6346 ssid
= wpa_s
->current_ssid
;
6348 wpa_printf(MSG_DEBUG
, "P2P: No current SSID to use for "
6353 wpa_s
->global
->p2p_invite_group
= wpa_s
;
6354 persistent
= ssid
->p2p_persistent_group
&&
6355 wpas_p2p_get_persistent(wpa_s
->parent
, peer_addr
,
6356 ssid
->ssid
, ssid
->ssid_len
);
6358 if (ssid
->mode
== WPAS_MODE_P2P_GO
) {
6359 role
= P2P_INVITE_ROLE_ACTIVE_GO
;
6360 bssid
= wpa_s
->own_addr
;
6361 if (go_dev_addr
== NULL
)
6362 go_dev_addr
= wpa_s
->global
->p2p_dev_addr
;
6363 freq
= ssid
->frequency
;
6365 role
= P2P_INVITE_ROLE_CLIENT
;
6366 if (wpa_s
->wpa_state
< WPA_ASSOCIATED
) {
6367 wpa_printf(MSG_DEBUG
, "P2P: Not associated - cannot "
6368 "invite to current group");
6371 bssid
= wpa_s
->bssid
;
6372 if (go_dev_addr
== NULL
&&
6373 !is_zero_ether_addr(wpa_s
->go_dev_addr
))
6374 go_dev_addr
= wpa_s
->go_dev_addr
;
6375 freq
= wpa_s
->current_bss
? wpa_s
->current_bss
->freq
:
6376 (int) wpa_s
->assoc_freq
;
6378 wpa_s
->parent
->pending_invite_ssid_id
= -1;
6380 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
6383 size
= P2P_MAX_PREF_CHANNELS
;
6384 res
= wpas_p2p_setup_freqs(wpa_s
, freq
, &force_freq
, &pref_freq
,
6385 role
== P2P_INVITE_ROLE_ACTIVE_GO
,
6386 pref_freq_list
, &size
);
6389 wpas_p2p_set_own_freq_preference(wpa_s
, force_freq
);
6391 return p2p_invite(wpa_s
->global
->p2p
, peer_addr
, role
, bssid
,
6392 ssid
->ssid
, ssid
->ssid_len
, force_freq
,
6393 go_dev_addr
, persistent
, pref_freq
, -1);
6397 void wpas_p2p_completed(struct wpa_supplicant
*wpa_s
)
6399 struct wpa_ssid
*ssid
= wpa_s
->current_ssid
;
6400 u8 go_dev_addr
[ETH_ALEN
];
6401 int network_id
= -1;
6407 if (ssid
== NULL
|| ssid
->mode
!= WPAS_MODE_P2P_GROUP_FORMATION
) {
6408 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
,
6409 wpa_s
->parent
, NULL
);
6412 if (!wpa_s
->show_group_started
|| !ssid
)
6415 wpa_s
->show_group_started
= 0;
6417 os_memset(go_dev_addr
, 0, ETH_ALEN
);
6418 if (ssid
->bssid_set
)
6419 os_memcpy(go_dev_addr
, ssid
->bssid
, ETH_ALEN
);
6420 persistent
= wpas_p2p_persistent_group(wpa_s
, go_dev_addr
, ssid
->ssid
,
6422 os_memcpy(wpa_s
->go_dev_addr
, go_dev_addr
, ETH_ALEN
);
6424 if (wpa_s
->global
->p2p_group_formation
== wpa_s
)
6425 wpa_s
->global
->p2p_group_formation
= NULL
;
6427 freq
= wpa_s
->current_bss
? wpa_s
->current_bss
->freq
:
6428 (int) wpa_s
->assoc_freq
;
6431 if (wpa_sm_get_p2p_ip_addr(wpa_s
->wpa
, ip
) == 0) {
6434 res
= os_snprintf(ip_addr
, sizeof(ip_addr
),
6435 " ip_addr=%u.%u.%u.%u "
6436 "ip_mask=%u.%u.%u.%u go_ip_addr=%u.%u.%u.%u",
6437 ip
[0], ip
[1], ip
[2], ip
[3],
6438 ip
[4], ip
[5], ip
[6], ip
[7],
6439 ip
[8], ip
[9], ip
[10], ip
[11]);
6440 if (os_snprintf_error(sizeof(ip_addr
), res
))
6444 wpas_p2p_group_started(wpa_s
, 0, ssid
, freq
,
6445 ssid
->passphrase
== NULL
&& ssid
->psk_set
?
6447 ssid
->passphrase
, go_dev_addr
, persistent
,
6451 network_id
= wpas_p2p_store_persistent_group(wpa_s
->parent
,
6454 network_id
= ssid
->id
;
6455 wpas_notify_p2p_group_started(wpa_s
, ssid
, network_id
, 1);
6459 int wpas_p2p_presence_req(struct wpa_supplicant
*wpa_s
, u32 duration1
,
6460 u32 interval1
, u32 duration2
, u32 interval2
)
6464 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
6467 if (wpa_s
->wpa_state
< WPA_ASSOCIATED
||
6468 wpa_s
->current_ssid
== NULL
||
6469 wpa_s
->current_ssid
->mode
!= WPAS_MODE_INFRA
)
6472 ret
= p2p_presence_req(wpa_s
->global
->p2p
, wpa_s
->bssid
,
6473 wpa_s
->own_addr
, wpa_s
->assoc_freq
,
6474 duration1
, interval1
, duration2
, interval2
);
6476 wpa_s
->waiting_presence_resp
= 1;
6482 int wpas_p2p_ext_listen(struct wpa_supplicant
*wpa_s
, unsigned int period
,
6483 unsigned int interval
)
6485 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
6488 return p2p_ext_listen(wpa_s
->global
->p2p
, period
, interval
);
6492 static int wpas_p2p_is_client(struct wpa_supplicant
*wpa_s
)
6494 if (wpa_s
->current_ssid
== NULL
) {
6496 * current_ssid can be cleared when P2P client interface gets
6497 * disconnected, so assume this interface was used as P2P
6502 return wpa_s
->current_ssid
->p2p_group
&&
6503 wpa_s
->current_ssid
->mode
== WPAS_MODE_INFRA
;
6507 static void wpas_p2p_group_idle_timeout(void *eloop_ctx
, void *timeout_ctx
)
6509 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
6511 if (wpa_s
->conf
->p2p_group_idle
== 0 && !wpas_p2p_is_client(wpa_s
)) {
6512 wpa_printf(MSG_DEBUG
, "P2P: Ignore group idle timeout - "
6517 wpa_printf(MSG_DEBUG
, "P2P: Group idle timeout reached - terminate "
6519 wpas_p2p_group_delete(wpa_s
, P2P_GROUP_REMOVAL_IDLE_TIMEOUT
);
6523 static void wpas_p2p_set_group_idle_timeout(struct wpa_supplicant
*wpa_s
)
6527 if (eloop_cancel_timeout(wpas_p2p_group_idle_timeout
, wpa_s
, NULL
) > 0)
6528 wpa_printf(MSG_DEBUG
, "P2P: Cancelled P2P group idle timeout");
6530 if (wpa_s
->current_ssid
== NULL
|| !wpa_s
->current_ssid
->p2p_group
)
6533 timeout
= wpa_s
->conf
->p2p_group_idle
;
6534 if (wpa_s
->current_ssid
->mode
== WPAS_MODE_INFRA
&&
6535 (timeout
== 0 || timeout
> P2P_MAX_CLIENT_IDLE
))
6536 timeout
= P2P_MAX_CLIENT_IDLE
;
6542 if (wpa_s
->current_ssid
->mode
== WPAS_MODE_INFRA
)
6543 timeout
= 0; /* special client mode no-timeout */
6548 if (wpa_s
->p2p_in_provisioning
) {
6550 * Use the normal group formation timeout during the
6551 * provisioning phase to avoid terminating this process too
6552 * early due to group idle timeout.
6554 wpa_printf(MSG_DEBUG
, "P2P: Do not use P2P group idle timeout "
6555 "during provisioning");
6559 if (wpa_s
->show_group_started
) {
6561 * Use the normal group formation timeout between the end of
6562 * the provisioning phase and completion of 4-way handshake to
6563 * avoid terminating this process too early due to group idle
6566 wpa_printf(MSG_DEBUG
, "P2P: Do not use P2P group idle timeout "
6567 "while waiting for initial 4-way handshake to "
6572 wpa_printf(MSG_DEBUG
, "P2P: Set P2P group idle timeout to %u seconds",
6574 eloop_register_timeout(timeout
, 0, wpas_p2p_group_idle_timeout
,
6579 /* Returns 1 if the interface was removed */
6580 int wpas_p2p_deauth_notif(struct wpa_supplicant
*wpa_s
, const u8
*bssid
,
6581 u16 reason_code
, const u8
*ie
, size_t ie_len
,
6582 int locally_generated
)
6584 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
6587 if (!locally_generated
)
6588 p2p_deauth_notif(wpa_s
->global
->p2p
, bssid
, reason_code
, ie
,
6591 if (reason_code
== WLAN_REASON_DEAUTH_LEAVING
&& !locally_generated
&&
6592 wpa_s
->current_ssid
&&
6593 wpa_s
->current_ssid
->p2p_group
&&
6594 wpa_s
->current_ssid
->mode
== WPAS_MODE_INFRA
) {
6595 wpa_printf(MSG_DEBUG
, "P2P: GO indicated that the P2P Group "
6596 "session is ending");
6597 if (wpas_p2p_group_delete(wpa_s
,
6598 P2P_GROUP_REMOVAL_GO_ENDING_SESSION
)
6607 void wpas_p2p_disassoc_notif(struct wpa_supplicant
*wpa_s
, const u8
*bssid
,
6608 u16 reason_code
, const u8
*ie
, size_t ie_len
,
6609 int locally_generated
)
6611 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
6614 if (!locally_generated
)
6615 p2p_disassoc_notif(wpa_s
->global
->p2p
, bssid
, reason_code
, ie
,
6620 void wpas_p2p_update_config(struct wpa_supplicant
*wpa_s
)
6622 struct p2p_data
*p2p
= wpa_s
->global
->p2p
;
6627 if (!(wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_P2P_CAPABLE
))
6630 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_DEVICE_NAME
)
6631 p2p_set_dev_name(p2p
, wpa_s
->conf
->device_name
);
6633 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_DEVICE_TYPE
)
6634 p2p_set_pri_dev_type(p2p
, wpa_s
->conf
->device_type
);
6637 (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_CONFIG_METHODS
))
6638 p2p_set_config_methods(p2p
, wpa_s
->wps
->config_methods
);
6640 if (wpa_s
->wps
&& (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_UUID
))
6641 p2p_set_uuid(p2p
, wpa_s
->wps
->uuid
);
6643 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_WPS_STRING
) {
6644 p2p_set_manufacturer(p2p
, wpa_s
->conf
->manufacturer
);
6645 p2p_set_model_name(p2p
, wpa_s
->conf
->model_name
);
6646 p2p_set_model_number(p2p
, wpa_s
->conf
->model_number
);
6647 p2p_set_serial_number(p2p
, wpa_s
->conf
->serial_number
);
6650 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_SEC_DEVICE_TYPE
)
6651 p2p_set_sec_dev_types(p2p
,
6652 (void *) wpa_s
->conf
->sec_device_type
,
6653 wpa_s
->conf
->num_sec_device_types
);
6655 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_VENDOR_EXTENSION
) {
6657 p2p_remove_wps_vendor_extensions(p2p
);
6658 for (i
= 0; i
< MAX_WPS_VENDOR_EXT
; i
++) {
6659 if (wpa_s
->conf
->wps_vendor_ext
[i
] == NULL
)
6661 p2p_add_wps_vendor_extension(
6662 p2p
, wpa_s
->conf
->wps_vendor_ext
[i
]);
6666 if ((wpa_s
->conf
->changed_parameters
& CFG_CHANGED_COUNTRY
) &&
6667 wpa_s
->conf
->country
[0] && wpa_s
->conf
->country
[1]) {
6669 country
[0] = wpa_s
->conf
->country
[0];
6670 country
[1] = wpa_s
->conf
->country
[1];
6672 p2p_set_country(p2p
, country
);
6675 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_P2P_SSID_POSTFIX
) {
6676 p2p_set_ssid_postfix(p2p
, (u8
*) wpa_s
->conf
->p2p_ssid_postfix
,
6677 wpa_s
->conf
->p2p_ssid_postfix
?
6678 os_strlen(wpa_s
->conf
->p2p_ssid_postfix
) :
6682 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_P2P_INTRA_BSS
)
6683 p2p_set_intra_bss_dist(p2p
, wpa_s
->conf
->p2p_intra_bss
);
6685 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_P2P_LISTEN_CHANNEL
) {
6686 u8 reg_class
, channel
;
6691 if (wpa_s
->conf
->p2p_listen_reg_class
&&
6692 wpa_s
->conf
->p2p_listen_channel
) {
6693 reg_class
= wpa_s
->conf
->p2p_listen_reg_class
;
6694 channel
= wpa_s
->conf
->p2p_listen_channel
;
6699 * Pick one of the social channels randomly as the
6702 if (os_get_random((u8
*) &r
, sizeof(r
)) < 0)
6705 channel
= 1 + (r
% 3) * 5;
6708 ret
= p2p_set_listen_channel(p2p
, reg_class
, channel
,
6711 wpa_printf(MSG_ERROR
, "P2P: Own listen channel update "
6714 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_P2P_OPER_CHANNEL
) {
6715 u8 op_reg_class
, op_channel
, cfg_op_channel
;
6718 if (wpa_s
->conf
->p2p_oper_reg_class
&&
6719 wpa_s
->conf
->p2p_oper_channel
) {
6720 op_reg_class
= wpa_s
->conf
->p2p_oper_reg_class
;
6721 op_channel
= wpa_s
->conf
->p2p_oper_channel
;
6726 * Use random operation channel from (1, 6, 11)
6727 *if no other preference is indicated.
6729 if (os_get_random((u8
*) &r
, sizeof(r
)) < 0)
6732 op_channel
= 1 + (r
% 3) * 5;
6735 ret
= p2p_set_oper_channel(p2p
, op_reg_class
, op_channel
,
6738 wpa_printf(MSG_ERROR
, "P2P: Own oper channel update "
6742 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_P2P_PREF_CHAN
) {
6743 if (p2p_set_pref_chan(p2p
, wpa_s
->conf
->num_p2p_pref_chan
,
6744 wpa_s
->conf
->p2p_pref_chan
) < 0) {
6745 wpa_printf(MSG_ERROR
, "P2P: Preferred channel list "
6749 if (p2p_set_no_go_freq(p2p
, &wpa_s
->conf
->p2p_no_go_freq
) < 0) {
6750 wpa_printf(MSG_ERROR
, "P2P: No GO channel list "
6755 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_P2P_PASSPHRASE_LEN
)
6756 p2p_set_passphrase_len(p2p
, wpa_s
->conf
->p2p_passphrase_len
);
6760 int wpas_p2p_set_noa(struct wpa_supplicant
*wpa_s
, u8 count
, int start
,
6763 if (!wpa_s
->ap_iface
)
6765 return hostapd_p2p_set_noa(wpa_s
->ap_iface
->bss
[0], count
, start
,
6770 int wpas_p2p_set_cross_connect(struct wpa_supplicant
*wpa_s
, int enabled
)
6772 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
6775 wpa_s
->global
->cross_connection
= enabled
;
6776 p2p_set_cross_connect(wpa_s
->global
->p2p
, enabled
);
6779 struct wpa_supplicant
*iface
;
6781 for (iface
= wpa_s
->global
->ifaces
; iface
; iface
= iface
->next
)
6783 if (iface
->cross_connect_enabled
== 0)
6786 iface
->cross_connect_enabled
= 0;
6787 iface
->cross_connect_in_use
= 0;
6788 wpa_msg_global(iface
->parent
, MSG_INFO
,
6789 P2P_EVENT_CROSS_CONNECT_DISABLE
"%s %s",
6791 iface
->cross_connect_uplink
);
6799 static void wpas_p2p_enable_cross_connect(struct wpa_supplicant
*uplink
)
6801 struct wpa_supplicant
*iface
;
6803 if (!uplink
->global
->cross_connection
)
6806 for (iface
= uplink
->global
->ifaces
; iface
; iface
= iface
->next
) {
6807 if (!iface
->cross_connect_enabled
)
6809 if (os_strcmp(uplink
->ifname
, iface
->cross_connect_uplink
) !=
6812 if (iface
->ap_iface
== NULL
)
6814 if (iface
->cross_connect_in_use
)
6817 iface
->cross_connect_in_use
= 1;
6818 wpa_msg_global(iface
->parent
, MSG_INFO
,
6819 P2P_EVENT_CROSS_CONNECT_ENABLE
"%s %s",
6820 iface
->ifname
, iface
->cross_connect_uplink
);
6825 static void wpas_p2p_disable_cross_connect(struct wpa_supplicant
*uplink
)
6827 struct wpa_supplicant
*iface
;
6829 for (iface
= uplink
->global
->ifaces
; iface
; iface
= iface
->next
) {
6830 if (!iface
->cross_connect_enabled
)
6832 if (os_strcmp(uplink
->ifname
, iface
->cross_connect_uplink
) !=
6835 if (!iface
->cross_connect_in_use
)
6838 wpa_msg_global(iface
->parent
, MSG_INFO
,
6839 P2P_EVENT_CROSS_CONNECT_DISABLE
"%s %s",
6840 iface
->ifname
, iface
->cross_connect_uplink
);
6841 iface
->cross_connect_in_use
= 0;
6846 void wpas_p2p_notif_connected(struct wpa_supplicant
*wpa_s
)
6848 if (wpa_s
->ap_iface
|| wpa_s
->current_ssid
== NULL
||
6849 wpa_s
->current_ssid
->mode
!= WPAS_MODE_INFRA
||
6850 wpa_s
->cross_connect_disallowed
)
6851 wpas_p2p_disable_cross_connect(wpa_s
);
6853 wpas_p2p_enable_cross_connect(wpa_s
);
6854 if (!wpa_s
->ap_iface
&&
6855 eloop_cancel_timeout(wpas_p2p_group_idle_timeout
, wpa_s
, NULL
) > 0)
6856 wpa_printf(MSG_DEBUG
, "P2P: Cancelled P2P group idle timeout");
6860 void wpas_p2p_notif_disconnected(struct wpa_supplicant
*wpa_s
)
6862 wpas_p2p_disable_cross_connect(wpa_s
);
6863 if (!wpa_s
->ap_iface
&&
6864 !eloop_is_timeout_registered(wpas_p2p_group_idle_timeout
,
6866 wpas_p2p_set_group_idle_timeout(wpa_s
);
6870 static void wpas_p2p_cross_connect_setup(struct wpa_supplicant
*wpa_s
)
6872 struct wpa_supplicant
*iface
;
6874 if (!wpa_s
->global
->cross_connection
)
6877 for (iface
= wpa_s
->global
->ifaces
; iface
; iface
= iface
->next
) {
6880 if (iface
->drv_flags
&
6881 WPA_DRIVER_FLAGS_P2P_DEDICATED_INTERFACE
)
6883 if ((iface
->drv_flags
& WPA_DRIVER_FLAGS_P2P_CAPABLE
) &&
6884 iface
!= wpa_s
->parent
)
6887 wpa_s
->cross_connect_enabled
= 1;
6888 os_strlcpy(wpa_s
->cross_connect_uplink
, iface
->ifname
,
6889 sizeof(wpa_s
->cross_connect_uplink
));
6890 wpa_printf(MSG_DEBUG
, "P2P: Enable cross connection from "
6891 "%s to %s whenever uplink is available",
6892 wpa_s
->ifname
, wpa_s
->cross_connect_uplink
);
6894 if (iface
->ap_iface
|| iface
->current_ssid
== NULL
||
6895 iface
->current_ssid
->mode
!= WPAS_MODE_INFRA
||
6896 iface
->cross_connect_disallowed
||
6897 iface
->wpa_state
!= WPA_COMPLETED
)
6900 wpa_s
->cross_connect_in_use
= 1;
6901 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
6902 P2P_EVENT_CROSS_CONNECT_ENABLE
"%s %s",
6903 wpa_s
->ifname
, wpa_s
->cross_connect_uplink
);
6909 int wpas_p2p_notif_pbc_overlap(struct wpa_supplicant
*wpa_s
)
6911 if (wpa_s
->p2p_group_interface
!= P2P_GROUP_INTERFACE_CLIENT
&&
6912 !wpa_s
->p2p_in_provisioning
)
6913 return 0; /* not P2P client operation */
6915 wpa_printf(MSG_DEBUG
, "P2P: Terminate connection due to WPS PBC "
6917 if (wpa_s
!= wpa_s
->parent
)
6918 wpa_msg_ctrl(wpa_s
->parent
, MSG_INFO
, WPS_EVENT_OVERLAP
);
6919 wpas_p2p_group_formation_failed(wpa_s
, 0);
6924 void wpas_p2p_pbc_overlap_cb(void *eloop_ctx
, void *timeout_ctx
)
6926 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
6927 wpas_p2p_notif_pbc_overlap(wpa_s
);
6931 void wpas_p2p_update_channel_list(struct wpa_supplicant
*wpa_s
)
6933 struct p2p_channels chan
, cli_chan
;
6934 struct wpa_supplicant
*ifs
;
6936 if (wpa_s
->global
== NULL
|| wpa_s
->global
->p2p
== NULL
)
6939 os_memset(&chan
, 0, sizeof(chan
));
6940 os_memset(&cli_chan
, 0, sizeof(cli_chan
));
6941 if (wpas_p2p_setup_channels(wpa_s
, &chan
, &cli_chan
)) {
6942 wpa_printf(MSG_ERROR
, "P2P: Failed to update supported "
6947 p2p_update_channel_list(wpa_s
->global
->p2p
, &chan
, &cli_chan
);
6949 for (ifs
= wpa_s
->global
->ifaces
; ifs
; ifs
= ifs
->next
) {
6951 if (!ifs
->current_ssid
||
6952 !ifs
->current_ssid
->p2p_group
||
6953 (ifs
->current_ssid
->mode
!= WPAS_MODE_P2P_GO
&&
6954 ifs
->current_ssid
->mode
!= WPAS_MODE_P2P_GROUP_FORMATION
))
6956 freq
= ifs
->current_ssid
->frequency
;
6957 if (freq_included(&chan
, freq
)) {
6958 wpa_dbg(ifs
, MSG_DEBUG
,
6959 "P2P GO operating frequency %d MHz in valid range",
6964 wpa_dbg(ifs
, MSG_DEBUG
,
6965 "P2P GO operating in invalid frequency %d MHz", freq
);
6966 /* TODO: Consider using CSA or removing the group within
6968 wpa_msg(ifs
, MSG_INFO
, P2P_EVENT_REMOVE_AND_REFORM_GROUP
);
6973 static void wpas_p2p_scan_res_ignore(struct wpa_supplicant
*wpa_s
,
6974 struct wpa_scan_results
*scan_res
)
6976 wpa_printf(MSG_DEBUG
, "P2P: Ignore scan results");
6980 int wpas_p2p_cancel(struct wpa_supplicant
*wpa_s
)
6982 struct wpa_global
*global
= wpa_s
->global
;
6986 if (global
->p2p
== NULL
)
6989 wpa_printf(MSG_DEBUG
, "P2P: Request to cancel group formation");
6991 if (wpa_s
->pending_interface_name
[0] &&
6992 !is_zero_ether_addr(wpa_s
->pending_interface_addr
))
6995 peer
= p2p_get_go_neg_peer(global
->p2p
);
6997 wpa_printf(MSG_DEBUG
, "P2P: Unauthorize pending GO Neg peer "
6998 MACSTR
, MAC2STR(peer
));
6999 p2p_unauthorize(global
->p2p
, peer
);
7003 if (wpa_s
->scan_res_handler
== wpas_p2p_scan_res_join
) {
7004 wpa_printf(MSG_DEBUG
, "P2P: Stop pending scan for join");
7005 wpa_s
->scan_res_handler
= wpas_p2p_scan_res_ignore
;
7009 if (wpa_s
->pending_pd_before_join
) {
7010 wpa_printf(MSG_DEBUG
, "P2P: Stop pending PD before join");
7011 wpa_s
->pending_pd_before_join
= 0;
7015 wpas_p2p_stop_find(wpa_s
);
7017 for (wpa_s
= global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
7018 if (wpa_s
== global
->p2p_group_formation
&&
7019 (wpa_s
->p2p_in_provisioning
||
7020 wpa_s
->parent
->pending_interface_type
==
7021 WPA_IF_P2P_CLIENT
)) {
7022 wpa_printf(MSG_DEBUG
, "P2P: Interface %s in group "
7023 "formation found - cancelling",
7026 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
,
7027 wpa_s
->parent
, NULL
);
7028 if (wpa_s
->p2p_in_provisioning
) {
7029 wpas_group_formation_completed(wpa_s
, 0, 0);
7032 wpas_p2p_group_delete(wpa_s
,
7033 P2P_GROUP_REMOVAL_REQUESTED
);
7035 } else if (wpa_s
->p2p_in_invitation
) {
7036 wpa_printf(MSG_DEBUG
, "P2P: Interface %s in invitation found - cancelling",
7039 wpas_p2p_group_formation_failed(wpa_s
, 0);
7044 wpa_printf(MSG_DEBUG
, "P2P: No ongoing group formation found");
7052 void wpas_p2p_interface_unavailable(struct wpa_supplicant
*wpa_s
)
7054 if (wpa_s
->current_ssid
== NULL
|| !wpa_s
->current_ssid
->p2p_group
)
7057 wpa_printf(MSG_DEBUG
, "P2P: Remove group due to driver resource not "
7058 "being available anymore");
7059 wpas_p2p_group_delete(wpa_s
, P2P_GROUP_REMOVAL_UNAVAILABLE
);
7063 void wpas_p2p_update_best_channels(struct wpa_supplicant
*wpa_s
,
7064 int freq_24
, int freq_5
, int freq_overall
)
7066 struct p2p_data
*p2p
= wpa_s
->global
->p2p
;
7069 p2p_set_best_channels(p2p
, freq_24
, freq_5
, freq_overall
);
7073 int wpas_p2p_unauthorize(struct wpa_supplicant
*wpa_s
, const char *addr
)
7076 struct p2p_data
*p2p
= wpa_s
->global
->p2p
;
7081 if (hwaddr_aton(addr
, peer
))
7084 return p2p_unauthorize(p2p
, peer
);
7089 * wpas_p2p_disconnect - Disconnect from a P2P Group
7090 * @wpa_s: Pointer to wpa_supplicant data
7091 * Returns: 0 on success, -1 on failure
7093 * This can be used to disconnect from a group in which the local end is a P2P
7094 * Client or to end a P2P Group in case the local end is the Group Owner. If a
7095 * virtual network interface was created for this group, that interface will be
7096 * removed. Otherwise, only the configured P2P group network will be removed
7097 * from the interface.
7099 int wpas_p2p_disconnect(struct wpa_supplicant
*wpa_s
)
7105 return wpas_p2p_group_delete(wpa_s
, P2P_GROUP_REMOVAL_REQUESTED
) < 0 ?
7110 int wpas_p2p_in_progress(struct wpa_supplicant
*wpa_s
)
7114 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
7117 ret
= p2p_in_progress(wpa_s
->global
->p2p
);
7120 * Check whether there is an ongoing WPS provisioning step (or
7121 * other parts of group formation) on another interface since
7122 * p2p_in_progress() does not report this to avoid issues for
7123 * scans during such provisioning step.
7125 if (wpa_s
->global
->p2p_group_formation
&&
7126 wpa_s
->global
->p2p_group_formation
!= wpa_s
) {
7127 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Another interface (%s) "
7128 "in group formation",
7129 wpa_s
->global
->p2p_group_formation
->ifname
);
7134 if (!ret
&& wpa_s
->global
->p2p_go_wait_client
.sec
) {
7135 struct os_reltime now
;
7136 os_get_reltime(&now
);
7137 if (os_reltime_expired(&now
, &wpa_s
->global
->p2p_go_wait_client
,
7138 P2P_MAX_INITIAL_CONN_WAIT_GO
)) {
7139 /* Wait for the first client has expired */
7140 wpa_s
->global
->p2p_go_wait_client
.sec
= 0;
7142 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Waiting for initial client connection during group formation");
7151 void wpas_p2p_network_removed(struct wpa_supplicant
*wpa_s
,
7152 struct wpa_ssid
*ssid
)
7154 if (wpa_s
->p2p_in_provisioning
&& ssid
->p2p_group
&&
7155 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
,
7156 wpa_s
->parent
, NULL
) > 0) {
7158 * Remove the network by scheduling the group formation
7159 * timeout to happen immediately. The teardown code
7160 * needs to be scheduled to run asynch later so that we
7161 * don't delete data from under ourselves unexpectedly.
7162 * Calling wpas_p2p_group_formation_timeout directly
7163 * causes a series of crashes in WPS failure scenarios.
7165 wpa_printf(MSG_DEBUG
, "P2P: Canceled group formation due to "
7166 "P2P group network getting removed");
7167 eloop_register_timeout(0, 0, wpas_p2p_group_formation_timeout
,
7168 wpa_s
->parent
, NULL
);
7173 struct wpa_ssid
* wpas_p2p_get_persistent(struct wpa_supplicant
*wpa_s
,
7174 const u8
*addr
, const u8
*ssid
,
7180 for (s
= wpa_s
->conf
->ssid
; s
; s
= s
->next
) {
7181 if (s
->disabled
!= 2)
7184 (ssid_len
!= s
->ssid_len
||
7185 os_memcmp(ssid
, s
->ssid
, ssid_len
) != 0))
7188 if (s
->mode
== WPAS_MODE_P2P_GO
)
7192 if (os_memcmp(s
->bssid
, addr
, ETH_ALEN
) == 0)
7193 return s
; /* peer is GO in the persistent group */
7194 if (s
->mode
!= WPAS_MODE_P2P_GO
|| s
->p2p_client_list
== NULL
)
7196 for (i
= 0; i
< s
->num_p2p_clients
; i
++) {
7197 if (os_memcmp(s
->p2p_client_list
+ i
* 2 * ETH_ALEN
,
7198 addr
, ETH_ALEN
) == 0)
7199 return s
; /* peer is P2P client in persistent
7208 void wpas_p2p_notify_ap_sta_authorized(struct wpa_supplicant
*wpa_s
,
7211 if (eloop_cancel_timeout(wpas_p2p_group_formation_timeout
,
7212 wpa_s
->parent
, NULL
) > 0) {
7214 * This can happen if WPS provisioning step is not terminated
7215 * cleanly (e.g., P2P Client does not send WSC_Done). Since the
7216 * peer was able to connect, there is no need to time out group
7217 * formation after this, though. In addition, this is used with
7218 * the initial connection wait on the GO as a separate formation
7219 * timeout and as such, expected to be hit after the initial WPS
7220 * provisioning step.
7222 wpa_printf(MSG_DEBUG
, "P2P: Canceled P2P group formation timeout on data connection");
7224 if (!wpa_s
->p2p_go_group_formation_completed
&&
7225 !wpa_s
->group_formation_reported
) {
7227 * GO has not yet notified group formation success since
7228 * the WPS step was not completed cleanly. Do that
7229 * notification now since the P2P Client was able to
7230 * connect and as such, must have received the
7231 * credential from the WPS step.
7233 if (wpa_s
->global
->p2p
)
7234 p2p_wps_success_cb(wpa_s
->global
->p2p
, addr
);
7235 wpas_group_formation_completed(wpa_s
, 1, 0);
7238 if (!wpa_s
->p2p_go_group_formation_completed
) {
7239 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Marking group formation completed on GO on first data connection");
7240 wpa_s
->p2p_go_group_formation_completed
= 1;
7241 wpa_s
->global
->p2p_group_formation
= NULL
;
7242 wpa_s
->p2p_in_provisioning
= 0;
7243 wpa_s
->p2p_in_invitation
= 0;
7245 wpa_s
->global
->p2p_go_wait_client
.sec
= 0;
7248 wpas_p2p_add_persistent_group_client(wpa_s
, addr
);
7252 static int wpas_p2p_fallback_to_go_neg(struct wpa_supplicant
*wpa_s
,
7255 struct wpa_supplicant
*group
= wpa_s
;
7258 if (wpa_s
->global
->p2p_group_formation
)
7259 group
= wpa_s
->global
->p2p_group_formation
;
7260 wpa_s
= wpa_s
->global
->p2p_init_wpa_s
;
7261 offchannel_send_action_done(wpa_s
);
7263 ret
= wpas_p2p_group_delete(group
, P2P_GROUP_REMOVAL_SILENT
);
7264 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Fall back to GO Negotiation");
7265 wpas_p2p_connect(wpa_s
, wpa_s
->pending_join_dev_addr
, wpa_s
->p2p_pin
,
7266 wpa_s
->p2p_wps_method
, wpa_s
->p2p_persistent_group
, 0,
7267 0, 0, wpa_s
->p2p_go_intent
, wpa_s
->p2p_connect_freq
,
7268 wpa_s
->p2p_persistent_id
,
7269 wpa_s
->p2p_pd_before_go_neg
,
7276 int wpas_p2p_scan_no_go_seen(struct wpa_supplicant
*wpa_s
)
7280 if (!wpa_s
->p2p_fallback_to_go_neg
||
7281 wpa_s
->p2p_in_provisioning
<= 5)
7284 if (wpas_p2p_peer_go(wpa_s
, wpa_s
->pending_join_dev_addr
) > 0)
7285 return 0; /* peer operating as a GO */
7287 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: GO not found for p2p_connect-auto - "
7288 "fallback to GO Negotiation");
7289 wpa_msg_global(wpa_s
->parent
, MSG_INFO
, P2P_EVENT_FALLBACK_TO_GO_NEG
7290 "reason=GO-not-found");
7291 res
= wpas_p2p_fallback_to_go_neg(wpa_s
, 1);
7293 return res
== 1 ? 2 : 1;
7297 unsigned int wpas_p2p_search_delay(struct wpa_supplicant
*wpa_s
)
7299 struct wpa_supplicant
*ifs
;
7301 if (wpa_s
->wpa_state
> WPA_SCANNING
) {
7302 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Use %u ms search delay due to "
7303 "concurrent operation",
7304 wpa_s
->conf
->p2p_search_delay
);
7305 return wpa_s
->conf
->p2p_search_delay
;
7308 dl_list_for_each(ifs
, &wpa_s
->radio
->ifaces
, struct wpa_supplicant
,
7310 if (ifs
!= wpa_s
&& ifs
->wpa_state
> WPA_SCANNING
) {
7311 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Use %u ms search "
7312 "delay due to concurrent operation on "
7314 wpa_s
->conf
->p2p_search_delay
,
7316 return wpa_s
->conf
->p2p_search_delay
;
7324 static int wpas_p2p_remove_psk_entry(struct wpa_supplicant
*wpa_s
,
7325 struct wpa_ssid
*s
, const u8
*addr
,
7328 struct psk_list_entry
*psk
, *tmp
;
7331 dl_list_for_each_safe(psk
, tmp
, &s
->psk_list
, struct psk_list_entry
,
7333 if ((iface_addr
&& !psk
->p2p
&&
7334 os_memcmp(addr
, psk
->addr
, ETH_ALEN
) == 0) ||
7335 (!iface_addr
&& psk
->p2p
&&
7336 os_memcmp(addr
, psk
->addr
, ETH_ALEN
) == 0)) {
7337 wpa_dbg(wpa_s
, MSG_DEBUG
,
7338 "P2P: Remove persistent group PSK list entry for "
7340 MAC2STR(psk
->addr
), psk
->p2p
);
7341 dl_list_del(&psk
->list
);
7351 void wpas_p2p_new_psk_cb(struct wpa_supplicant
*wpa_s
, const u8
*mac_addr
,
7352 const u8
*p2p_dev_addr
,
7353 const u8
*psk
, size_t psk_len
)
7355 struct wpa_ssid
*ssid
= wpa_s
->current_ssid
;
7356 struct wpa_ssid
*persistent
;
7357 struct psk_list_entry
*p
, *last
;
7359 if (psk_len
!= sizeof(p
->psk
))
7363 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: New PSK for addr=" MACSTR
7364 " p2p_dev_addr=" MACSTR
,
7365 MAC2STR(mac_addr
), MAC2STR(p2p_dev_addr
));
7366 if (is_zero_ether_addr(p2p_dev_addr
))
7367 p2p_dev_addr
= NULL
;
7369 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: New PSK for addr=" MACSTR
,
7373 if (ssid
->mode
== WPAS_MODE_P2P_GROUP_FORMATION
) {
7374 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: new_psk_cb during group formation");
7375 /* To be added to persistent group once created */
7376 if (wpa_s
->global
->add_psk
== NULL
) {
7377 wpa_s
->global
->add_psk
= os_zalloc(sizeof(*p
));
7378 if (wpa_s
->global
->add_psk
== NULL
)
7381 p
= wpa_s
->global
->add_psk
;
7384 os_memcpy(p
->addr
, p2p_dev_addr
, ETH_ALEN
);
7387 os_memcpy(p
->addr
, mac_addr
, ETH_ALEN
);
7389 os_memcpy(p
->psk
, psk
, psk_len
);
7393 if (ssid
->mode
!= WPAS_MODE_P2P_GO
|| !ssid
->p2p_persistent_group
) {
7394 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Ignore new_psk_cb on not-persistent GO");
7398 persistent
= wpas_p2p_get_persistent(wpa_s
->parent
, NULL
, ssid
->ssid
,
7401 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Could not find persistent group information to store the new PSK");
7405 p
= os_zalloc(sizeof(*p
));
7410 os_memcpy(p
->addr
, p2p_dev_addr
, ETH_ALEN
);
7413 os_memcpy(p
->addr
, mac_addr
, ETH_ALEN
);
7415 os_memcpy(p
->psk
, psk
, psk_len
);
7417 if (dl_list_len(&persistent
->psk_list
) > P2P_MAX_STORED_CLIENTS
&&
7418 (last
= dl_list_last(&persistent
->psk_list
,
7419 struct psk_list_entry
, list
))) {
7420 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Remove oldest PSK entry for "
7421 MACSTR
" (p2p=%u) to make room for a new one",
7422 MAC2STR(last
->addr
), last
->p2p
);
7423 dl_list_del(&last
->list
);
7427 wpas_p2p_remove_psk_entry(wpa_s
->parent
, persistent
,
7428 p2p_dev_addr
? p2p_dev_addr
: mac_addr
,
7429 p2p_dev_addr
== NULL
);
7431 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Add new PSK for p2p_dev_addr="
7432 MACSTR
, MAC2STR(p2p_dev_addr
));
7434 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Add new PSK for addr=" MACSTR
,
7437 dl_list_add(&persistent
->psk_list
, &p
->list
);
7439 if (wpa_s
->parent
->conf
->update_config
&&
7440 wpa_config_write(wpa_s
->parent
->confname
, wpa_s
->parent
->conf
))
7441 wpa_printf(MSG_DEBUG
, "P2P: Failed to update configuration");
7445 static void wpas_p2p_remove_psk(struct wpa_supplicant
*wpa_s
,
7446 struct wpa_ssid
*s
, const u8
*addr
,
7451 res
= wpas_p2p_remove_psk_entry(wpa_s
, s
, addr
, iface_addr
);
7452 if (res
> 0 && wpa_s
->conf
->update_config
&&
7453 wpa_config_write(wpa_s
->confname
, wpa_s
->conf
))
7454 wpa_dbg(wpa_s
, MSG_DEBUG
,
7455 "P2P: Failed to update configuration");
7459 static void wpas_p2p_remove_client_go(struct wpa_supplicant
*wpa_s
,
7460 const u8
*peer
, int iface_addr
)
7462 struct hostapd_data
*hapd
;
7463 struct hostapd_wpa_psk
*psk
, *prev
, *rem
;
7464 struct sta_info
*sta
;
7466 if (wpa_s
->ap_iface
== NULL
|| wpa_s
->current_ssid
== NULL
||
7467 wpa_s
->current_ssid
->mode
!= WPAS_MODE_P2P_GO
)
7470 /* Remove per-station PSK entry */
7471 hapd
= wpa_s
->ap_iface
->bss
[0];
7473 psk
= hapd
->conf
->ssid
.wpa_psk
;
7475 if ((iface_addr
&& os_memcmp(peer
, psk
->addr
, ETH_ALEN
) == 0) ||
7477 os_memcmp(peer
, psk
->p2p_dev_addr
, ETH_ALEN
) == 0)) {
7478 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Remove operating group PSK entry for "
7479 MACSTR
" iface_addr=%d",
7480 MAC2STR(peer
), iface_addr
);
7482 prev
->next
= psk
->next
;
7484 hapd
->conf
->ssid
.wpa_psk
= psk
->next
;
7494 /* Disconnect from group */
7496 sta
= ap_get_sta(hapd
, peer
);
7498 sta
= ap_get_sta_p2p(hapd
, peer
);
7500 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Disconnect peer " MACSTR
7501 " (iface_addr=%d) from group",
7502 MAC2STR(peer
), iface_addr
);
7503 hostapd_drv_sta_deauth(hapd
, sta
->addr
,
7504 WLAN_REASON_DEAUTH_LEAVING
);
7505 ap_sta_deauthenticate(hapd
, sta
, WLAN_REASON_DEAUTH_LEAVING
);
7510 void wpas_p2p_remove_client(struct wpa_supplicant
*wpa_s
, const u8
*peer
,
7514 struct wpa_supplicant
*w
;
7515 struct wpa_supplicant
*p2p_wpa_s
= wpa_s
->global
->p2p_init_wpa_s
;
7517 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Remove client " MACSTR
, MAC2STR(peer
));
7519 /* Remove from any persistent group */
7520 for (s
= p2p_wpa_s
->conf
->ssid
; s
; s
= s
->next
) {
7521 if (s
->disabled
!= 2 || s
->mode
!= WPAS_MODE_P2P_GO
)
7524 wpas_remove_persistent_peer(p2p_wpa_s
, s
, peer
, 0);
7525 wpas_p2p_remove_psk(p2p_wpa_s
, s
, peer
, iface_addr
);
7528 /* Remove from any operating group */
7529 for (w
= wpa_s
->global
->ifaces
; w
; w
= w
->next
)
7530 wpas_p2p_remove_client_go(w
, peer
, iface_addr
);
7534 static void wpas_p2p_psk_failure_removal(void *eloop_ctx
, void *timeout_ctx
)
7536 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
7537 wpas_p2p_group_delete(wpa_s
, P2P_GROUP_REMOVAL_PSK_FAILURE
);
7541 static void wpas_p2p_group_freq_conflict(void *eloop_ctx
, void *timeout_ctx
)
7543 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
7545 wpa_printf(MSG_DEBUG
, "P2P: Frequency conflict - terminate group");
7546 wpas_p2p_group_delete(wpa_s
, P2P_GROUP_REMOVAL_FREQ_CONFLICT
);
7550 int wpas_p2p_handle_frequency_conflicts(struct wpa_supplicant
*wpa_s
, int freq
,
7551 struct wpa_ssid
*ssid
)
7553 struct wpa_supplicant
*iface
;
7555 for (iface
= wpa_s
->global
->ifaces
; iface
; iface
= iface
->next
) {
7556 if (!iface
->current_ssid
||
7557 iface
->current_ssid
->frequency
== freq
||
7558 (iface
->p2p_group_interface
== NOT_P2P_GROUP_INTERFACE
&&
7559 !iface
->current_ssid
->p2p_group
))
7562 /* Remove the connection with least priority */
7563 if (!wpas_is_p2p_prioritized(iface
)) {
7564 /* STA connection has priority over existing
7565 * P2P connection, so remove the interface. */
7566 wpa_printf(MSG_DEBUG
, "P2P: Removing P2P connection due to single channel concurrent mode frequency conflict");
7567 eloop_register_timeout(0, 0,
7568 wpas_p2p_group_freq_conflict
,
7570 /* If connection in progress is P2P connection, do not
7571 * proceed for the connection. */
7577 /* P2P connection has priority, disable the STA network
7579 wpa_supplicant_disable_network(wpa_s
->global
->ifaces
,
7581 wpa_msg(wpa_s
->global
->ifaces
, MSG_INFO
,
7582 WPA_EVENT_FREQ_CONFLICT
" id=%d", ssid
->id
);
7583 os_memset(wpa_s
->global
->ifaces
->pending_bssid
, 0,
7585 /* If P2P connection is in progress, continue
7598 int wpas_p2p_4way_hs_failed(struct wpa_supplicant
*wpa_s
)
7600 struct wpa_ssid
*ssid
= wpa_s
->current_ssid
;
7602 if (ssid
== NULL
|| !ssid
->p2p_group
)
7605 if (wpa_s
->p2p_last_4way_hs_fail
&&
7606 wpa_s
->p2p_last_4way_hs_fail
== ssid
) {
7607 u8 go_dev_addr
[ETH_ALEN
];
7608 struct wpa_ssid
*persistent
;
7610 if (wpas_p2p_persistent_group(wpa_s
, go_dev_addr
,
7612 ssid
->ssid_len
) <= 0) {
7613 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Could not determine whether 4-way handshake failures were for a persistent group");
7617 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Two 4-way handshake failures for a P2P group - go_dev_addr="
7618 MACSTR
, MAC2STR(go_dev_addr
));
7619 persistent
= wpas_p2p_get_persistent(wpa_s
->parent
, go_dev_addr
,
7622 if (persistent
== NULL
|| persistent
->mode
!= WPAS_MODE_INFRA
) {
7623 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: No matching persistent group stored");
7626 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
7627 P2P_EVENT_PERSISTENT_PSK_FAIL
"%d",
7630 wpa_s
->p2p_last_4way_hs_fail
= NULL
;
7632 * Remove the group from a timeout to avoid issues with caller
7633 * continuing to use the interface if this is on a P2P group
7636 eloop_register_timeout(0, 0, wpas_p2p_psk_failure_removal
,
7641 wpa_s
->p2p_last_4way_hs_fail
= ssid
;
7646 #ifdef CONFIG_WPS_NFC
7648 static struct wpabuf
* wpas_p2p_nfc_handover(int ndef
, struct wpabuf
*wsc
,
7656 wpa_printf(MSG_DEBUG
, "P2P: No p2p buffer for handover");
7660 wsc_len
= wsc
? wpabuf_len(wsc
) : 0;
7661 ret
= wpabuf_alloc(2 + wsc_len
+ 2 + wpabuf_len(p2p
));
7668 wpabuf_put_be16(ret
, wsc_len
);
7670 wpabuf_put_buf(ret
, wsc
);
7671 wpabuf_put_be16(ret
, wpabuf_len(p2p
));
7672 wpabuf_put_buf(ret
, p2p
);
7676 wpa_hexdump_buf(MSG_DEBUG
,
7677 "P2P: Generated NFC connection handover message", ret
);
7681 tmp
= ndef_build_p2p(ret
);
7684 wpa_printf(MSG_DEBUG
, "P2P: Failed to NDEF encapsulate handover request");
7694 static int wpas_p2p_cli_freq(struct wpa_supplicant
*wpa_s
,
7695 struct wpa_ssid
**ssid
, u8
*go_dev_addr
)
7697 struct wpa_supplicant
*iface
;
7700 os_memset(go_dev_addr
, 0, ETH_ALEN
);
7703 for (iface
= wpa_s
->global
->ifaces
; iface
; iface
= iface
->next
) {
7704 if (iface
->wpa_state
< WPA_ASSOCIATING
||
7705 iface
->current_ssid
== NULL
|| iface
->assoc_freq
== 0 ||
7706 !iface
->current_ssid
->p2p_group
||
7707 iface
->current_ssid
->mode
!= WPAS_MODE_INFRA
)
7710 *ssid
= iface
->current_ssid
;
7712 os_memcpy(go_dev_addr
, iface
->go_dev_addr
, ETH_ALEN
);
7713 return iface
->assoc_freq
;
7719 struct wpabuf
* wpas_p2p_nfc_handover_req(struct wpa_supplicant
*wpa_s
,
7722 struct wpabuf
*wsc
, *p2p
;
7723 struct wpa_ssid
*ssid
;
7724 u8 go_dev_addr
[ETH_ALEN
];
7725 int cli_freq
= wpas_p2p_cli_freq(wpa_s
, &ssid
, go_dev_addr
);
7727 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
) {
7728 wpa_printf(MSG_DEBUG
, "P2P: P2P disabled - cannot build handover request");
7732 if (wpa_s
->conf
->wps_nfc_dh_pubkey
== NULL
&&
7733 wps_nfc_gen_dh(&wpa_s
->conf
->wps_nfc_dh_pubkey
,
7734 &wpa_s
->conf
->wps_nfc_dh_privkey
) < 0) {
7735 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: No DH key available for handover request");
7739 if (cli_freq
== 0) {
7740 wsc
= wps_build_nfc_handover_req_p2p(
7741 wpa_s
->parent
->wps
, wpa_s
->conf
->wps_nfc_dh_pubkey
);
7744 p2p
= p2p_build_nfc_handover_req(wpa_s
->global
->p2p
, cli_freq
,
7745 go_dev_addr
, ssid
? ssid
->ssid
: NULL
,
7746 ssid
? ssid
->ssid_len
: 0);
7748 return wpas_p2p_nfc_handover(ndef
, wsc
, p2p
);
7752 struct wpabuf
* wpas_p2p_nfc_handover_sel(struct wpa_supplicant
*wpa_s
,
7755 struct wpabuf
*wsc
, *p2p
;
7756 struct wpa_ssid
*ssid
;
7757 u8 go_dev_addr
[ETH_ALEN
];
7758 int cli_freq
= wpas_p2p_cli_freq(wpa_s
, &ssid
, go_dev_addr
);
7760 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
7763 if (!tag
&& wpa_s
->conf
->wps_nfc_dh_pubkey
== NULL
&&
7764 wps_nfc_gen_dh(&wpa_s
->conf
->wps_nfc_dh_pubkey
,
7765 &wpa_s
->conf
->wps_nfc_dh_privkey
) < 0)
7768 if (cli_freq
== 0) {
7769 wsc
= wps_build_nfc_handover_sel_p2p(
7771 tag
? wpa_s
->conf
->wps_nfc_dev_pw_id
:
7772 DEV_PW_NFC_CONNECTION_HANDOVER
,
7773 wpa_s
->conf
->wps_nfc_dh_pubkey
,
7774 tag
? wpa_s
->conf
->wps_nfc_dev_pw
: NULL
);
7777 p2p
= p2p_build_nfc_handover_sel(wpa_s
->global
->p2p
, cli_freq
,
7778 go_dev_addr
, ssid
? ssid
->ssid
: NULL
,
7779 ssid
? ssid
->ssid_len
: 0);
7781 return wpas_p2p_nfc_handover(ndef
, wsc
, p2p
);
7785 static int wpas_p2p_nfc_join_group(struct wpa_supplicant
*wpa_s
,
7786 struct p2p_nfc_params
*params
)
7788 wpa_printf(MSG_DEBUG
, "P2P: Initiate join-group based on NFC "
7789 "connection handover (freq=%d)",
7792 if (params
->go_freq
&& params
->go_ssid_len
) {
7793 wpa_s
->p2p_wps_method
= WPS_NFC
;
7794 wpa_s
->pending_join_wps_method
= WPS_NFC
;
7795 os_memset(wpa_s
->pending_join_iface_addr
, 0, ETH_ALEN
);
7796 os_memcpy(wpa_s
->pending_join_dev_addr
, params
->go_dev_addr
,
7798 return wpas_p2p_join_start(wpa_s
, params
->go_freq
,
7800 params
->go_ssid_len
);
7803 return wpas_p2p_connect(wpa_s
, params
->peer
->p2p_device_addr
, NULL
,
7804 WPS_NFC
, 0, 0, 1, 0, wpa_s
->conf
->p2p_go_intent
,
7805 params
->go_freq
, -1, 0, 1, 1);
7809 static int wpas_p2p_nfc_auth_join(struct wpa_supplicant
*wpa_s
,
7810 struct p2p_nfc_params
*params
, int tag
)
7812 int res
, persistent
;
7813 struct wpa_ssid
*ssid
;
7815 wpa_printf(MSG_DEBUG
, "P2P: Authorize join-group based on NFC "
7816 "connection handover");
7817 for (wpa_s
= wpa_s
->global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
7818 ssid
= wpa_s
->current_ssid
;
7821 if (ssid
->mode
!= WPAS_MODE_P2P_GO
)
7823 if (wpa_s
->ap_iface
== NULL
)
7827 if (wpa_s
== NULL
) {
7828 wpa_printf(MSG_DEBUG
, "P2P: Could not find GO interface");
7832 if (wpa_s
->parent
->p2p_oob_dev_pw_id
!=
7833 DEV_PW_NFC_CONNECTION_HANDOVER
&&
7834 !wpa_s
->parent
->p2p_oob_dev_pw
) {
7835 wpa_printf(MSG_DEBUG
, "P2P: No NFC Dev Pw known");
7838 res
= wpas_ap_wps_add_nfc_pw(
7839 wpa_s
, wpa_s
->parent
->p2p_oob_dev_pw_id
,
7840 wpa_s
->parent
->p2p_oob_dev_pw
,
7841 wpa_s
->parent
->p2p_peer_oob_pk_hash_known
?
7842 wpa_s
->parent
->p2p_peer_oob_pubkey_hash
: NULL
);
7847 wpa_printf(MSG_DEBUG
, "P2P: Negotiated handover - wait for peer to join without invitation");
7851 if (!params
->peer
||
7852 !(params
->peer
->dev_capab
& P2P_DEV_CAPAB_INVITATION_PROCEDURE
))
7855 wpa_printf(MSG_DEBUG
, "P2P: Static handover - invite peer " MACSTR
7856 " to join", MAC2STR(params
->peer
->p2p_device_addr
));
7858 wpa_s
->global
->p2p_invite_group
= wpa_s
;
7859 persistent
= ssid
->p2p_persistent_group
&&
7860 wpas_p2p_get_persistent(wpa_s
->parent
,
7861 params
->peer
->p2p_device_addr
,
7862 ssid
->ssid
, ssid
->ssid_len
);
7863 wpa_s
->parent
->pending_invite_ssid_id
= -1;
7865 return p2p_invite(wpa_s
->global
->p2p
, params
->peer
->p2p_device_addr
,
7866 P2P_INVITE_ROLE_ACTIVE_GO
, wpa_s
->own_addr
,
7867 ssid
->ssid
, ssid
->ssid_len
, ssid
->frequency
,
7868 wpa_s
->global
->p2p_dev_addr
, persistent
, 0,
7869 wpa_s
->parent
->p2p_oob_dev_pw_id
);
7873 static int wpas_p2p_nfc_init_go_neg(struct wpa_supplicant
*wpa_s
,
7874 struct p2p_nfc_params
*params
,
7877 wpa_printf(MSG_DEBUG
, "P2P: Initiate GO Negotiation based on NFC "
7878 "connection handover");
7879 return wpas_p2p_connect(wpa_s
, params
->peer
->p2p_device_addr
, NULL
,
7880 WPS_NFC
, 0, 0, 0, 0, wpa_s
->conf
->p2p_go_intent
,
7881 forced_freq
, -1, 0, 1, 1);
7885 static int wpas_p2p_nfc_resp_go_neg(struct wpa_supplicant
*wpa_s
,
7886 struct p2p_nfc_params
*params
,
7891 wpa_printf(MSG_DEBUG
, "P2P: Authorize GO Negotiation based on NFC "
7892 "connection handover");
7893 res
= wpas_p2p_connect(wpa_s
, params
->peer
->p2p_device_addr
, NULL
,
7894 WPS_NFC
, 0, 0, 0, 1, wpa_s
->conf
->p2p_go_intent
,
7895 forced_freq
, -1, 0, 1, 1);
7899 res
= wpas_p2p_listen(wpa_s
, 60);
7901 p2p_unauthorize(wpa_s
->global
->p2p
,
7902 params
->peer
->p2p_device_addr
);
7909 static int wpas_p2p_nfc_connection_handover(struct wpa_supplicant
*wpa_s
,
7910 const struct wpabuf
*data
,
7911 int sel
, int tag
, int forced_freq
)
7913 const u8
*pos
, *end
;
7915 struct p2p_nfc_params params
;
7918 os_memset(¶ms
, 0, sizeof(params
));
7921 wpa_hexdump_buf(MSG_DEBUG
, "P2P: Received NFC tag payload", data
);
7923 pos
= wpabuf_head(data
);
7924 end
= pos
+ wpabuf_len(data
);
7926 if (end
- pos
< 2) {
7927 wpa_printf(MSG_DEBUG
, "P2P: Not enough data for Length of WSC "
7931 len
= WPA_GET_BE16(pos
);
7933 if (len
> end
- pos
) {
7934 wpa_printf(MSG_DEBUG
, "P2P: Not enough data for WSC "
7938 params
.wsc_attr
= pos
;
7939 params
.wsc_len
= len
;
7942 if (end
- pos
< 2) {
7943 wpa_printf(MSG_DEBUG
, "P2P: Not enough data for Length of P2P "
7947 len
= WPA_GET_BE16(pos
);
7949 if (len
> end
- pos
) {
7950 wpa_printf(MSG_DEBUG
, "P2P: Not enough data for P2P "
7954 params
.p2p_attr
= pos
;
7955 params
.p2p_len
= len
;
7958 wpa_hexdump(MSG_DEBUG
, "P2P: WSC attributes",
7959 params
.wsc_attr
, params
.wsc_len
);
7960 wpa_hexdump(MSG_DEBUG
, "P2P: P2P attributes",
7961 params
.p2p_attr
, params
.p2p_len
);
7963 wpa_hexdump(MSG_DEBUG
,
7964 "P2P: Ignored extra data after P2P attributes",
7968 res
= p2p_process_nfc_connection_handover(wpa_s
->global
->p2p
, ¶ms
);
7972 if (params
.next_step
== NO_ACTION
)
7975 if (params
.next_step
== BOTH_GO
) {
7976 wpa_msg(wpa_s
, MSG_INFO
, P2P_EVENT_NFC_BOTH_GO
"peer=" MACSTR
,
7977 MAC2STR(params
.peer
->p2p_device_addr
));
7981 if (params
.next_step
== PEER_CLIENT
) {
7982 if (!is_zero_ether_addr(params
.go_dev_addr
)) {
7983 wpa_msg(wpa_s
, MSG_INFO
, P2P_EVENT_NFC_PEER_CLIENT
7984 "peer=" MACSTR
" freq=%d go_dev_addr=" MACSTR
7986 MAC2STR(params
.peer
->p2p_device_addr
),
7988 MAC2STR(params
.go_dev_addr
),
7989 wpa_ssid_txt(params
.go_ssid
,
7990 params
.go_ssid_len
));
7992 wpa_msg(wpa_s
, MSG_INFO
, P2P_EVENT_NFC_PEER_CLIENT
7993 "peer=" MACSTR
" freq=%d",
7994 MAC2STR(params
.peer
->p2p_device_addr
),
8000 if (wpas_p2p_cli_freq(wpa_s
, NULL
, NULL
)) {
8001 wpa_msg(wpa_s
, MSG_INFO
, P2P_EVENT_NFC_WHILE_CLIENT
"peer="
8002 MACSTR
, MAC2STR(params
.peer
->p2p_device_addr
));
8006 wpabuf_free(wpa_s
->p2p_oob_dev_pw
);
8007 wpa_s
->p2p_oob_dev_pw
= NULL
;
8009 if (params
.oob_dev_pw_len
< WPS_OOB_PUBKEY_HASH_LEN
+ 2) {
8010 wpa_printf(MSG_DEBUG
, "P2P: No peer OOB Dev Pw "
8015 id
= WPA_GET_BE16(params
.oob_dev_pw
+ WPS_OOB_PUBKEY_HASH_LEN
);
8016 wpa_printf(MSG_DEBUG
, "P2P: Peer OOB Dev Pw %u", id
);
8017 wpa_hexdump(MSG_DEBUG
, "P2P: Peer OOB Public Key hash",
8018 params
.oob_dev_pw
, WPS_OOB_PUBKEY_HASH_LEN
);
8019 os_memcpy(wpa_s
->p2p_peer_oob_pubkey_hash
,
8020 params
.oob_dev_pw
, WPS_OOB_PUBKEY_HASH_LEN
);
8021 wpa_s
->p2p_peer_oob_pk_hash_known
= 1;
8025 wpa_printf(MSG_DEBUG
, "P2P: Static handover - invalid "
8026 "peer OOB Device Password Id %u", id
);
8029 wpa_printf(MSG_DEBUG
, "P2P: Static handover - use peer OOB "
8030 "Device Password Id %u", id
);
8031 wpa_hexdump_key(MSG_DEBUG
, "P2P: Peer OOB Device Password",
8032 params
.oob_dev_pw
+ WPS_OOB_PUBKEY_HASH_LEN
+ 2,
8033 params
.oob_dev_pw_len
-
8034 WPS_OOB_PUBKEY_HASH_LEN
- 2);
8035 wpa_s
->p2p_oob_dev_pw_id
= id
;
8036 wpa_s
->p2p_oob_dev_pw
= wpabuf_alloc_copy(
8037 params
.oob_dev_pw
+ WPS_OOB_PUBKEY_HASH_LEN
+ 2,
8038 params
.oob_dev_pw_len
-
8039 WPS_OOB_PUBKEY_HASH_LEN
- 2);
8040 if (wpa_s
->p2p_oob_dev_pw
== NULL
)
8043 if (wpa_s
->conf
->wps_nfc_dh_pubkey
== NULL
&&
8044 wps_nfc_gen_dh(&wpa_s
->conf
->wps_nfc_dh_pubkey
,
8045 &wpa_s
->conf
->wps_nfc_dh_privkey
) < 0)
8048 wpa_printf(MSG_DEBUG
, "P2P: Using abbreviated WPS handshake "
8049 "without Device Password");
8050 wpa_s
->p2p_oob_dev_pw_id
= DEV_PW_NFC_CONNECTION_HANDOVER
;
8053 switch (params
.next_step
) {
8057 /* already covered above */
8060 return wpas_p2p_nfc_join_group(wpa_s
, ¶ms
);
8062 return wpas_p2p_nfc_auth_join(wpa_s
, ¶ms
, tag
);
8064 return wpas_p2p_nfc_init_go_neg(wpa_s
, ¶ms
, forced_freq
);
8066 /* TODO: use own OOB Dev Pw */
8067 return wpas_p2p_nfc_resp_go_neg(wpa_s
, ¶ms
, forced_freq
);
8074 int wpas_p2p_nfc_tag_process(struct wpa_supplicant
*wpa_s
,
8075 const struct wpabuf
*data
, int forced_freq
)
8077 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
8080 return wpas_p2p_nfc_connection_handover(wpa_s
, data
, 1, 1, forced_freq
);
8084 int wpas_p2p_nfc_report_handover(struct wpa_supplicant
*wpa_s
, int init
,
8085 const struct wpabuf
*req
,
8086 const struct wpabuf
*sel
, int forced_freq
)
8091 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
8094 wpa_printf(MSG_DEBUG
, "NFC: P2P connection handover reported");
8096 wpa_hexdump_ascii(MSG_DEBUG
, "NFC: Req",
8097 wpabuf_head(req
), wpabuf_len(req
));
8098 wpa_hexdump_ascii(MSG_DEBUG
, "NFC: Sel",
8099 wpabuf_head(sel
), wpabuf_len(sel
));
8101 wpa_printf(MSG_DEBUG
, "NFC: Forced freq %d", forced_freq
);
8102 tmp
= ndef_parse_p2p(init
? sel
: req
);
8104 wpa_printf(MSG_DEBUG
, "P2P: Could not parse NDEF");
8108 ret
= wpas_p2p_nfc_connection_handover(wpa_s
, tmp
, init
, 0,
8116 int wpas_p2p_nfc_tag_enabled(struct wpa_supplicant
*wpa_s
, int enabled
)
8119 int go_intent
= wpa_s
->conf
->p2p_go_intent
;
8120 struct wpa_supplicant
*iface
;
8122 if (wpa_s
->global
->p2p
== NULL
)
8126 wpa_printf(MSG_DEBUG
, "P2P: Disable use of own NFC Tag");
8127 for (iface
= wpa_s
->global
->ifaces
; iface
; iface
= iface
->next
)
8129 if (!iface
->ap_iface
)
8131 hostapd_wps_nfc_token_disable(iface
->ap_iface
->bss
[0]);
8133 p2p_set_authorized_oob_dev_pw_id(wpa_s
->global
->p2p
, 0,
8135 if (wpa_s
->p2p_nfc_tag_enabled
)
8136 wpas_p2p_remove_pending_group_interface(wpa_s
);
8137 wpa_s
->p2p_nfc_tag_enabled
= 0;
8141 if (wpa_s
->global
->p2p_disabled
)
8144 if (wpa_s
->conf
->wps_nfc_dh_pubkey
== NULL
||
8145 wpa_s
->conf
->wps_nfc_dh_privkey
== NULL
||
8146 wpa_s
->conf
->wps_nfc_dev_pw
== NULL
||
8147 wpa_s
->conf
->wps_nfc_dev_pw_id
< 0x10) {
8148 wpa_printf(MSG_DEBUG
, "P2P: NFC password token not configured "
8149 "to allow static handover cases");
8153 wpa_printf(MSG_DEBUG
, "P2P: Enable use of own NFC Tag");
8155 wpa_s
->p2p_oob_dev_pw_id
= wpa_s
->conf
->wps_nfc_dev_pw_id
;
8156 wpabuf_free(wpa_s
->p2p_oob_dev_pw
);
8157 wpa_s
->p2p_oob_dev_pw
= wpabuf_dup(wpa_s
->conf
->wps_nfc_dev_pw
);
8158 if (wpa_s
->p2p_oob_dev_pw
== NULL
)
8160 wpa_s
->p2p_peer_oob_pk_hash_known
= 0;
8162 if (wpa_s
->p2p_group_interface
== P2P_GROUP_INTERFACE_GO
||
8163 wpa_s
->p2p_group_interface
== P2P_GROUP_INTERFACE_CLIENT
) {
8165 * P2P Group Interface present and the command came on group
8166 * interface, so enable the token for the current interface.
8168 wpa_s
->create_p2p_iface
= 0;
8170 wpa_s
->create_p2p_iface
= wpas_p2p_create_iface(wpa_s
);
8173 if (wpa_s
->create_p2p_iface
) {
8174 enum wpa_driver_if_type iftype
;
8175 /* Prepare to add a new interface for the group */
8176 iftype
= WPA_IF_P2P_GROUP
;
8177 if (go_intent
== 15)
8178 iftype
= WPA_IF_P2P_GO
;
8179 if (wpas_p2p_add_group_interface(wpa_s
, iftype
) < 0) {
8180 wpa_printf(MSG_ERROR
, "P2P: Failed to allocate a new "
8181 "interface for the group");
8185 if_addr
= wpa_s
->pending_interface_addr
;
8187 if_addr
= wpa_s
->own_addr
;
8189 wpa_s
->p2p_nfc_tag_enabled
= enabled
;
8191 for (iface
= wpa_s
->global
->ifaces
; iface
; iface
= iface
->next
) {
8192 struct hostapd_data
*hapd
;
8193 if (iface
->ap_iface
== NULL
)
8195 hapd
= iface
->ap_iface
->bss
[0];
8196 wpabuf_free(hapd
->conf
->wps_nfc_dh_pubkey
);
8197 hapd
->conf
->wps_nfc_dh_pubkey
=
8198 wpabuf_dup(wpa_s
->conf
->wps_nfc_dh_pubkey
);
8199 wpabuf_free(hapd
->conf
->wps_nfc_dh_privkey
);
8200 hapd
->conf
->wps_nfc_dh_privkey
=
8201 wpabuf_dup(wpa_s
->conf
->wps_nfc_dh_privkey
);
8202 wpabuf_free(hapd
->conf
->wps_nfc_dev_pw
);
8203 hapd
->conf
->wps_nfc_dev_pw
=
8204 wpabuf_dup(wpa_s
->conf
->wps_nfc_dev_pw
);
8205 hapd
->conf
->wps_nfc_dev_pw_id
= wpa_s
->conf
->wps_nfc_dev_pw_id
;
8207 if (hostapd_wps_nfc_token_enable(iface
->ap_iface
->bss
[0]) < 0) {
8208 wpa_dbg(iface
, MSG_DEBUG
,
8209 "P2P: Failed to enable NFC Tag for GO");
8212 p2p_set_authorized_oob_dev_pw_id(
8213 wpa_s
->global
->p2p
, wpa_s
->conf
->wps_nfc_dev_pw_id
, go_intent
,
8219 #endif /* CONFIG_WPS_NFC */
8222 static void wpas_p2p_optimize_listen_channel(struct wpa_supplicant
*wpa_s
,
8223 struct wpa_used_freq_data
*freqs
,
8226 u8 curr_chan
, cand
, chan
;
8229 curr_chan
= p2p_get_listen_channel(wpa_s
->global
->p2p
);
8230 for (i
= 0, cand
= 0; i
< num
; i
++) {
8231 ieee80211_freq_to_chan(freqs
[i
].freq
, &chan
);
8232 if (curr_chan
== chan
) {
8237 if (chan
== 1 || chan
== 6 || chan
== 11)
8242 wpa_dbg(wpa_s
, MSG_DEBUG
,
8243 "P2P: Update Listen channel to %u based on operating channel",
8245 p2p_set_listen_channel(wpa_s
->global
->p2p
, 81, cand
, 0);
8250 void wpas_p2p_indicate_state_change(struct wpa_supplicant
*wpa_s
)
8252 struct wpa_used_freq_data
*freqs
;
8253 unsigned int num
= wpa_s
->num_multichan_concurrent
;
8255 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
8259 * If possible, optimize the Listen channel to be a channel that is
8260 * already used by one of the other interfaces.
8262 if (!wpa_s
->conf
->p2p_optimize_listen_chan
)
8265 if (!wpa_s
->current_ssid
|| wpa_s
->wpa_state
!= WPA_COMPLETED
)
8268 freqs
= os_calloc(num
, sizeof(struct wpa_used_freq_data
));
8272 num
= get_shared_radio_freqs_data(wpa_s
, freqs
, num
);
8274 wpas_p2p_optimize_listen_channel(wpa_s
, freqs
, num
);
8279 void wpas_p2p_deinit_iface(struct wpa_supplicant
*wpa_s
)
8281 if (wpa_s
== wpa_s
->global
->p2p_init_wpa_s
&& wpa_s
->global
->p2p
) {
8282 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Disable P2P since removing "
8283 "the management interface is being removed");
8284 wpas_p2p_deinit_global(wpa_s
->global
);
8289 void wpas_p2p_ap_deinit(struct wpa_supplicant
*wpa_s
)
8291 if (wpa_s
->ap_iface
->bss
)
8292 wpa_s
->ap_iface
->bss
[0]->p2p_group
= NULL
;
8293 wpas_p2p_group_deinit(wpa_s
);