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/p2p_hostapd.h"
24 #include "eapol_supp/eapol_supp_sm.h"
25 #include "rsn_supp/wpa.h"
26 #include "wpa_supplicant_i.h"
29 #include "config_ssid.h"
34 #include "offchannel.h"
35 #include "wps_supplicant.h"
36 #include "p2p_supplicant.h"
37 #include "wifi_display.h"
41 * How many times to try to scan to find the GO before giving up on join
44 #define P2P_MAX_JOIN_SCAN_ATTEMPTS 10
46 #define P2P_AUTO_PD_SCAN_ATTEMPTS 5
48 #ifndef P2P_MAX_CLIENT_IDLE
50 * How many seconds to try to reconnect to the GO when connection in P2P client
53 #define P2P_MAX_CLIENT_IDLE 10
54 #endif /* P2P_MAX_CLIENT_IDLE */
56 #ifndef P2P_MAX_INITIAL_CONN_WAIT
58 * How many seconds to wait for initial 4-way handshake to get completed after
59 * WPS provisioning step.
61 #define P2P_MAX_INITIAL_CONN_WAIT 10
62 #endif /* P2P_MAX_INITIAL_CONN_WAIT */
64 #ifndef P2P_MAX_INITIAL_CONN_WAIT_GO
66 * How many seconds to wait for initial 4-way handshake to get completed after
67 * WPS provisioning step on the GO. This controls the extra time the P2P
68 * operation is considered to be in progress (e.g., to delay other scans) after
69 * WPS provisioning has been completed on the GO during group formation.
71 #define P2P_MAX_INITIAL_CONN_WAIT_GO 10
72 #endif /* P2P_MAX_INITIAL_CONN_WAIT_GO */
74 #ifndef P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE
76 * How many seconds to wait for initial 4-way handshake to get completed after
77 * re-invocation of a persistent group on the GO when the client is expected
78 * to connect automatically (no user interaction).
80 #define P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE 15
81 #endif /* P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE */
83 #ifndef P2P_CONCURRENT_SEARCH_DELAY
84 #define P2P_CONCURRENT_SEARCH_DELAY 500
85 #endif /* P2P_CONCURRENT_SEARCH_DELAY */
87 #define P2P_MGMT_DEVICE_PREFIX "p2p-dev-"
89 enum p2p_group_removal_reason
{
90 P2P_GROUP_REMOVAL_UNKNOWN
,
91 P2P_GROUP_REMOVAL_SILENT
,
92 P2P_GROUP_REMOVAL_FORMATION_FAILED
,
93 P2P_GROUP_REMOVAL_REQUESTED
,
94 P2P_GROUP_REMOVAL_IDLE_TIMEOUT
,
95 P2P_GROUP_REMOVAL_UNAVAILABLE
,
96 P2P_GROUP_REMOVAL_GO_ENDING_SESSION
,
97 P2P_GROUP_REMOVAL_PSK_FAILURE
,
98 P2P_GROUP_REMOVAL_FREQ_CONFLICT
102 static void wpas_p2p_long_listen_timeout(void *eloop_ctx
, void *timeout_ctx
);
103 static struct wpa_supplicant
*
104 wpas_p2p_get_group_iface(struct wpa_supplicant
*wpa_s
, int addr_allocated
,
106 static int wpas_p2p_join_start(struct wpa_supplicant
*wpa_s
);
107 static void wpas_p2p_join_scan_req(struct wpa_supplicant
*wpa_s
, int freq
);
108 static void wpas_p2p_join_scan(void *eloop_ctx
, void *timeout_ctx
);
109 static int wpas_p2p_join(struct wpa_supplicant
*wpa_s
, const u8
*iface_addr
,
110 const u8
*dev_addr
, enum p2p_wps_method wps_method
,
112 static int wpas_p2p_create_iface(struct wpa_supplicant
*wpa_s
);
113 static void wpas_p2p_cross_connect_setup(struct wpa_supplicant
*wpa_s
);
114 static void wpas_p2p_group_idle_timeout(void *eloop_ctx
, void *timeout_ctx
);
115 static void wpas_p2p_set_group_idle_timeout(struct wpa_supplicant
*wpa_s
);
116 static void wpas_p2p_group_formation_timeout(void *eloop_ctx
,
118 static void wpas_p2p_group_freq_conflict(void *eloop_ctx
, void *timeout_ctx
);
119 static void wpas_p2p_fallback_to_go_neg(struct wpa_supplicant
*wpa_s
,
121 static int wpas_p2p_stop_find_oper(struct wpa_supplicant
*wpa_s
);
125 * Get the number of concurrent channels that the HW can operate, but that are
126 * currently not in use by any of the wpa_supplicant interfaces.
128 static int wpas_p2p_num_unused_channels(struct wpa_supplicant
*wpa_s
)
133 freqs
= os_calloc(wpa_s
->num_multichan_concurrent
, sizeof(int));
137 num
= get_shared_radio_freqs(wpa_s
, freqs
,
138 wpa_s
->num_multichan_concurrent
);
141 unused
= wpa_s
->num_multichan_concurrent
- num
;
142 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: num_unused_channels: %d", unused
);
148 * Get the frequencies that are currently in use by one or more of the virtual
149 * interfaces, and that are also valid for P2P operation.
151 static int wpas_p2p_valid_oper_freqs(struct wpa_supplicant
*wpa_s
,
152 int *p2p_freqs
, unsigned int len
)
155 unsigned int num
, i
, j
;
157 freqs
= os_calloc(wpa_s
->num_multichan_concurrent
, sizeof(int));
161 num
= get_shared_radio_freqs(wpa_s
, freqs
,
162 wpa_s
->num_multichan_concurrent
);
164 os_memset(p2p_freqs
, 0, sizeof(int) * len
);
166 for (i
= 0, j
= 0; i
< num
&& j
< len
; i
++) {
167 if (p2p_supported_freq(wpa_s
->global
->p2p
, freqs
[i
]))
168 p2p_freqs
[j
++] = freqs
[i
];
173 dump_freq_array(wpa_s
, "valid for P2P", p2p_freqs
, j
);
179 static void wpas_p2p_set_own_freq_preference(struct wpa_supplicant
*wpa_s
,
182 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
184 if (wpa_s
->parent
->conf
->p2p_ignore_shared_freq
&&
185 freq
> 0 && wpa_s
->num_multichan_concurrent
> 1 &&
186 wpas_p2p_num_unused_channels(wpa_s
) > 0) {
187 wpa_printf(MSG_DEBUG
, "P2P: Ignore own channel preference %d MHz due to p2p_ignore_shared_freq=1 configuration",
191 p2p_set_own_freq_preference(wpa_s
->global
->p2p
, freq
);
195 static void wpas_p2p_scan_res_handler(struct wpa_supplicant
*wpa_s
,
196 struct wpa_scan_results
*scan_res
)
200 if (wpa_s
->p2p_scan_work
) {
201 struct wpa_radio_work
*work
= wpa_s
->p2p_scan_work
;
202 wpa_s
->p2p_scan_work
= NULL
;
203 radio_work_done(work
);
206 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
209 wpa_printf(MSG_DEBUG
, "P2P: Scan results received (%d BSS)",
210 (int) scan_res
->num
);
212 for (i
= 0; i
< scan_res
->num
; i
++) {
213 struct wpa_scan_res
*bss
= scan_res
->res
[i
];
214 struct os_reltime time_tmp_age
, entry_ts
;
218 time_tmp_age
.sec
= bss
->age
/ 1000;
219 time_tmp_age
.usec
= (bss
->age
% 1000) * 1000;
220 os_reltime_sub(&scan_res
->fetch_time
, &time_tmp_age
, &entry_ts
);
222 ies
= (const u8
*) (bss
+ 1);
223 ies_len
= bss
->ie_len
;
224 if (bss
->beacon_ie_len
> 0 &&
225 !wpa_scan_get_vendor_ie(bss
, P2P_IE_VENDOR_TYPE
) &&
226 wpa_scan_get_vendor_ie_beacon(bss
, P2P_IE_VENDOR_TYPE
)) {
227 wpa_printf(MSG_DEBUG
, "P2P: Use P2P IE(s) from Beacon frame since no P2P IE(s) in Probe Response frames received for "
228 MACSTR
, MAC2STR(bss
->bssid
));
230 ies_len
= bss
->beacon_ie_len
;
234 if (p2p_scan_res_handler(wpa_s
->global
->p2p
, bss
->bssid
,
235 bss
->freq
, &entry_ts
, bss
->level
,
240 p2p_scan_res_handled(wpa_s
->global
->p2p
);
244 static void wpas_p2p_trigger_scan_cb(struct wpa_radio_work
*work
, int deinit
)
246 struct wpa_supplicant
*wpa_s
= work
->wpa_s
;
247 struct wpa_driver_scan_params
*params
= work
->ctx
;
251 wpa_scan_free_params(params
);
255 ret
= wpa_drv_scan(wpa_s
, params
);
256 wpa_scan_free_params(params
);
259 radio_work_done(work
);
263 os_get_reltime(&wpa_s
->scan_trigger_time
);
264 wpa_s
->scan_res_handler
= wpas_p2p_scan_res_handler
;
265 wpa_s
->own_scan_requested
= 1;
266 wpa_s
->p2p_scan_work
= work
;
270 static int wpas_p2p_scan(void *ctx
, enum p2p_scan_type type
, int freq
,
271 unsigned int num_req_dev_types
,
272 const u8
*req_dev_types
, const u8
*dev_id
, u16 pw_id
)
274 struct wpa_supplicant
*wpa_s
= ctx
;
275 struct wpa_driver_scan_params
*params
= NULL
;
276 struct wpabuf
*wps_ie
, *ies
;
280 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
283 if (wpa_s
->p2p_scan_work
) {
284 wpa_dbg(wpa_s
, MSG_INFO
, "P2P: Reject scan trigger since one is already pending");
288 params
= os_zalloc(sizeof(*params
));
292 /* P2P Wildcard SSID */
293 params
->num_ssids
= 1;
294 n
= os_malloc(P2P_WILDCARD_SSID_LEN
);
297 os_memcpy(n
, P2P_WILDCARD_SSID
, P2P_WILDCARD_SSID_LEN
);
298 params
->ssids
[0].ssid
= n
;
299 params
->ssids
[0].ssid_len
= P2P_WILDCARD_SSID_LEN
;
301 wpa_s
->wps
->dev
.p2p
= 1;
302 wps_ie
= wps_build_probe_req_ie(pw_id
, &wpa_s
->wps
->dev
,
303 wpa_s
->wps
->uuid
, WPS_REQ_ENROLLEE
,
304 num_req_dev_types
, req_dev_types
);
308 ielen
= p2p_scan_ie_buf_len(wpa_s
->global
->p2p
);
309 ies
= wpabuf_alloc(wpabuf_len(wps_ie
) + ielen
);
314 wpabuf_put_buf(ies
, wps_ie
);
317 p2p_scan_ie(wpa_s
->global
->p2p
, ies
, dev_id
);
319 params
->p2p_probe
= 1;
320 n
= os_malloc(wpabuf_len(ies
));
325 os_memcpy(n
, wpabuf_head(ies
), wpabuf_len(ies
));
326 params
->extra_ies
= n
;
327 params
->extra_ies_len
= wpabuf_len(ies
);
331 case P2P_SCAN_SOCIAL
:
332 params
->freqs
= os_malloc(4 * sizeof(int));
333 if (params
->freqs
== NULL
)
335 params
->freqs
[0] = 2412;
336 params
->freqs
[1] = 2437;
337 params
->freqs
[2] = 2462;
338 params
->freqs
[3] = 0;
342 case P2P_SCAN_SOCIAL_PLUS_ONE
:
343 params
->freqs
= os_malloc(5 * sizeof(int));
344 if (params
->freqs
== NULL
)
346 params
->freqs
[0] = 2412;
347 params
->freqs
[1] = 2437;
348 params
->freqs
[2] = 2462;
349 params
->freqs
[3] = freq
;
350 params
->freqs
[4] = 0;
354 radio_remove_unstarted_work(wpa_s
, "p2p-scan");
355 if (radio_add_work(wpa_s
, 0, "p2p-scan", 0, wpas_p2p_trigger_scan_cb
,
361 wpa_scan_free_params(params
);
366 static enum wpa_driver_if_type
wpas_p2p_if_type(int p2p_group_interface
)
368 switch (p2p_group_interface
) {
369 case P2P_GROUP_INTERFACE_PENDING
:
370 return WPA_IF_P2P_GROUP
;
371 case P2P_GROUP_INTERFACE_GO
:
372 return WPA_IF_P2P_GO
;
373 case P2P_GROUP_INTERFACE_CLIENT
:
374 return WPA_IF_P2P_CLIENT
;
377 return WPA_IF_P2P_GROUP
;
381 static struct wpa_supplicant
* wpas_get_p2p_group(struct wpa_supplicant
*wpa_s
,
383 size_t ssid_len
, int *go
)
387 for (wpa_s
= wpa_s
->global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
388 for (s
= wpa_s
->conf
->ssid
; s
; s
= s
->next
) {
389 if (s
->disabled
!= 0 || !s
->p2p_group
||
390 s
->ssid_len
!= ssid_len
||
391 os_memcmp(ssid
, s
->ssid
, ssid_len
) != 0)
393 if (s
->mode
== WPAS_MODE_P2P_GO
&&
394 s
!= wpa_s
->current_ssid
)
397 *go
= s
->mode
== WPAS_MODE_P2P_GO
;
406 static int wpas_p2p_group_delete(struct wpa_supplicant
*wpa_s
,
407 enum p2p_group_removal_reason removal_reason
)
409 struct wpa_ssid
*ssid
;
413 ssid
= wpa_s
->current_ssid
;
416 * The current SSID was not known, but there may still be a
417 * pending P2P group interface waiting for provisioning or a
418 * P2P group that is trying to reconnect.
420 ssid
= wpa_s
->conf
->ssid
;
422 if (ssid
->p2p_group
&& ssid
->disabled
!= 2)
427 wpa_s
->p2p_group_interface
== NOT_P2P_GROUP_INTERFACE
)
429 wpa_printf(MSG_ERROR
, "P2P: P2P group interface "
434 if (wpa_s
->p2p_group_interface
== P2P_GROUP_INTERFACE_GO
)
436 else if (wpa_s
->p2p_group_interface
== P2P_GROUP_INTERFACE_CLIENT
||
437 (ssid
&& ssid
->mode
== WPAS_MODE_INFRA
)) {
438 wpa_s
->reassociate
= 0;
439 wpa_s
->disconnected
= 1;
440 wpa_supplicant_deauthenticate(wpa_s
,
441 WLAN_REASON_DEAUTH_LEAVING
);
445 if (wpa_s
->cross_connect_in_use
) {
446 wpa_s
->cross_connect_in_use
= 0;
447 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
448 P2P_EVENT_CROSS_CONNECT_DISABLE
"%s %s",
449 wpa_s
->ifname
, wpa_s
->cross_connect_uplink
);
451 switch (removal_reason
) {
452 case P2P_GROUP_REMOVAL_REQUESTED
:
453 reason
= " reason=REQUESTED";
455 case P2P_GROUP_REMOVAL_FORMATION_FAILED
:
456 reason
= " reason=FORMATION_FAILED";
458 case P2P_GROUP_REMOVAL_IDLE_TIMEOUT
:
459 reason
= " reason=IDLE";
461 case P2P_GROUP_REMOVAL_UNAVAILABLE
:
462 reason
= " reason=UNAVAILABLE";
464 case P2P_GROUP_REMOVAL_GO_ENDING_SESSION
:
465 reason
= " reason=GO_ENDING_SESSION";
467 case P2P_GROUP_REMOVAL_PSK_FAILURE
:
468 reason
= " reason=PSK_FAILURE";
470 case P2P_GROUP_REMOVAL_FREQ_CONFLICT
:
471 reason
= " reason=FREQ_CONFLICT";
477 if (removal_reason
!= P2P_GROUP_REMOVAL_SILENT
) {
478 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
479 P2P_EVENT_GROUP_REMOVED
"%s %s%s",
480 wpa_s
->ifname
, gtype
, reason
);
483 if (eloop_cancel_timeout(wpas_p2p_group_freq_conflict
, wpa_s
, NULL
) > 0)
484 wpa_printf(MSG_DEBUG
, "P2P: Cancelled P2P group freq_conflict timeout");
485 if (eloop_cancel_timeout(wpas_p2p_group_idle_timeout
, wpa_s
, NULL
) > 0)
486 wpa_printf(MSG_DEBUG
, "P2P: Cancelled P2P group idle timeout");
487 if (eloop_cancel_timeout(wpas_p2p_group_formation_timeout
,
488 wpa_s
->parent
, NULL
) > 0) {
489 wpa_printf(MSG_DEBUG
, "P2P: Cancelled P2P group formation "
491 wpa_s
->p2p_in_provisioning
= 0;
495 * Make sure wait for the first client does not remain active after the
496 * group has been removed.
498 wpa_s
->global
->p2p_go_wait_client
.sec
= 0;
500 if (removal_reason
!= P2P_GROUP_REMOVAL_SILENT
&& ssid
)
501 wpas_notify_p2p_group_removed(wpa_s
, ssid
, gtype
);
503 if (wpa_s
->p2p_group_interface
!= NOT_P2P_GROUP_INTERFACE
) {
504 struct wpa_global
*global
;
506 enum wpa_driver_if_type type
;
507 wpa_printf(MSG_DEBUG
, "P2P: Remove group interface %s",
509 global
= wpa_s
->global
;
510 ifname
= os_strdup(wpa_s
->ifname
);
511 type
= wpas_p2p_if_type(wpa_s
->p2p_group_interface
);
512 wpa_supplicant_remove_iface(wpa_s
->global
, wpa_s
, 0);
513 wpa_s
= global
->ifaces
;
515 wpa_drv_if_remove(wpa_s
, type
, ifname
);
520 if (!wpa_s
->p2p_go_group_formation_completed
) {
521 wpa_s
->global
->p2p_group_formation
= NULL
;
522 wpa_s
->p2p_in_provisioning
= 0;
525 wpa_s
->show_group_started
= 0;
526 os_free(wpa_s
->go_params
);
527 wpa_s
->go_params
= NULL
;
529 wpa_s
->waiting_presence_resp
= 0;
531 wpa_printf(MSG_DEBUG
, "P2P: Remove temporary group network");
532 if (ssid
&& (ssid
->p2p_group
||
533 ssid
->mode
== WPAS_MODE_P2P_GROUP_FORMATION
||
534 (ssid
->key_mgmt
& WPA_KEY_MGMT_WPS
))) {
536 if (ssid
== wpa_s
->current_ssid
) {
537 wpa_sm_set_config(wpa_s
->wpa
, NULL
);
538 eapol_sm_notify_config(wpa_s
->eapol
, NULL
, NULL
);
539 wpa_s
->current_ssid
= NULL
;
542 * Networks objects created during any P2P activities are not
543 * exposed out as they might/will confuse certain non-P2P aware
544 * applications since these network objects won't behave like
547 * Likewise, we don't send out network removed signals for such
550 wpa_config_remove_network(wpa_s
->conf
, id
);
551 wpa_supplicant_clear_status(wpa_s
);
552 wpa_supplicant_cancel_sched_scan(wpa_s
);
554 wpa_printf(MSG_DEBUG
, "P2P: Temporary group network not "
558 wpa_supplicant_ap_deinit(wpa_s
);
560 wpa_drv_deinit_p2p_cli(wpa_s
);
566 static int wpas_p2p_persistent_group(struct wpa_supplicant
*wpa_s
,
568 const u8
*ssid
, size_t ssid_len
)
576 if (wpa_s
->go_params
)
577 bssid
= wpa_s
->go_params
->peer_interface_addr
;
579 bssid
= wpa_s
->bssid
;
581 bss
= wpa_bss_get(wpa_s
, bssid
, ssid
, ssid_len
);
583 u8 iface_addr
[ETH_ALEN
];
584 if (p2p_get_interface_addr(wpa_s
->global
->p2p
, bssid
,
586 bss
= wpa_bss_get(wpa_s
, iface_addr
, ssid
, ssid_len
);
589 wpa_printf(MSG_DEBUG
, "P2P: Could not figure out whether "
590 "group is persistent - BSS " MACSTR
" not found",
595 p2p
= wpa_bss_get_vendor_ie_multi(bss
, P2P_IE_VENDOR_TYPE
);
597 p2p
= wpa_bss_get_vendor_ie_multi_beacon(bss
,
600 wpa_printf(MSG_DEBUG
, "P2P: Could not figure out whether "
601 "group is persistent - BSS " MACSTR
602 " did not include P2P IE", MAC2STR(bssid
));
603 wpa_hexdump(MSG_DEBUG
, "P2P: Probe Response IEs",
604 (u8
*) (bss
+ 1), bss
->ie_len
);
605 wpa_hexdump(MSG_DEBUG
, "P2P: Beacon IEs",
606 ((u8
*) bss
+ 1) + bss
->ie_len
,
611 group_capab
= p2p_get_group_capab(p2p
);
612 addr
= p2p_get_go_dev_addr(p2p
);
613 wpa_printf(MSG_DEBUG
, "P2P: Checking whether group is persistent: "
614 "group_capab=0x%x", group_capab
);
616 os_memcpy(go_dev_addr
, addr
, ETH_ALEN
);
617 wpa_printf(MSG_DEBUG
, "P2P: GO Device Address " MACSTR
,
620 os_memset(go_dev_addr
, 0, ETH_ALEN
);
623 wpa_printf(MSG_DEBUG
, "P2P: BSS " MACSTR
" group_capab=0x%x "
624 "go_dev_addr=" MACSTR
,
625 MAC2STR(bssid
), group_capab
, MAC2STR(go_dev_addr
));
627 return group_capab
& P2P_GROUP_CAPAB_PERSISTENT_GROUP
;
631 static int wpas_p2p_store_persistent_group(struct wpa_supplicant
*wpa_s
,
632 struct wpa_ssid
*ssid
,
633 const u8
*go_dev_addr
)
638 wpa_printf(MSG_DEBUG
, "P2P: Storing credentials for a persistent "
639 "group (GO Dev Addr " MACSTR
")", MAC2STR(go_dev_addr
));
640 for (s
= wpa_s
->conf
->ssid
; s
; s
= s
->next
) {
641 if (s
->disabled
== 2 &&
642 os_memcmp(go_dev_addr
, s
->bssid
, ETH_ALEN
) == 0 &&
643 s
->ssid_len
== ssid
->ssid_len
&&
644 os_memcmp(ssid
->ssid
, s
->ssid
, ssid
->ssid_len
) == 0)
649 wpa_printf(MSG_DEBUG
, "P2P: Update existing persistent group "
651 if (ssid
->passphrase
&& !s
->passphrase
)
653 else if (ssid
->passphrase
&& s
->passphrase
&&
654 os_strcmp(ssid
->passphrase
, s
->passphrase
) != 0)
657 wpa_printf(MSG_DEBUG
, "P2P: Create a new persistent group "
660 s
= wpa_config_add_network(wpa_s
->conf
);
665 * Instead of network_added we emit persistent_group_added
666 * notification. Also to keep the defense checks in
667 * persistent_group obj registration method, we set the
668 * relevant flags in s to designate it as a persistent group.
671 s
->p2p_persistent_group
= 1;
672 wpas_notify_persistent_group_added(wpa_s
, s
);
673 wpa_config_set_network_defaults(s
);
677 s
->p2p_persistent_group
= 1;
680 os_memcpy(s
->bssid
, go_dev_addr
, ETH_ALEN
);
681 s
->mode
= ssid
->mode
;
682 s
->auth_alg
= WPA_AUTH_ALG_OPEN
;
683 s
->key_mgmt
= WPA_KEY_MGMT_PSK
;
684 s
->proto
= WPA_PROTO_RSN
;
685 s
->pairwise_cipher
= WPA_CIPHER_CCMP
;
687 if (ssid
->passphrase
) {
688 os_free(s
->passphrase
);
689 s
->passphrase
= os_strdup(ssid
->passphrase
);
693 os_memcpy(s
->psk
, ssid
->psk
, 32);
695 if (s
->passphrase
&& !s
->psk_set
)
696 wpa_config_update_psk(s
);
697 if (s
->ssid
== NULL
|| s
->ssid_len
< ssid
->ssid_len
) {
699 s
->ssid
= os_malloc(ssid
->ssid_len
);
702 s
->ssid_len
= ssid
->ssid_len
;
703 os_memcpy(s
->ssid
, ssid
->ssid
, s
->ssid_len
);
705 if (ssid
->mode
== WPAS_MODE_P2P_GO
&& wpa_s
->global
->add_psk
) {
706 dl_list_add(&s
->psk_list
, &wpa_s
->global
->add_psk
->list
);
707 wpa_s
->global
->add_psk
= NULL
;
711 #ifndef CONFIG_NO_CONFIG_WRITE
712 if (changed
&& wpa_s
->conf
->update_config
&&
713 wpa_config_write(wpa_s
->confname
, wpa_s
->conf
)) {
714 wpa_printf(MSG_DEBUG
, "P2P: Failed to update configuration");
716 #endif /* CONFIG_NO_CONFIG_WRITE */
722 static void wpas_p2p_add_persistent_group_client(struct wpa_supplicant
*wpa_s
,
725 struct wpa_ssid
*ssid
, *s
;
730 ssid
= wpa_s
->current_ssid
;
731 if (ssid
== NULL
|| ssid
->mode
!= WPAS_MODE_P2P_GO
||
732 !ssid
->p2p_persistent_group
)
735 for (s
= wpa_s
->parent
->conf
->ssid
; s
; s
= s
->next
) {
736 if (s
->disabled
!= 2 || s
->mode
!= WPAS_MODE_P2P_GO
)
739 if (s
->ssid_len
== ssid
->ssid_len
&&
740 os_memcmp(s
->ssid
, ssid
->ssid
, s
->ssid_len
) == 0)
747 for (i
= 0; s
->p2p_client_list
&& i
< s
->num_p2p_clients
; i
++) {
748 if (os_memcmp(s
->p2p_client_list
+ i
* ETH_ALEN
, addr
,
752 if (i
== s
->num_p2p_clients
- 1)
753 return; /* already the most recent entry */
755 /* move the entry to mark it most recent */
756 os_memmove(s
->p2p_client_list
+ i
* ETH_ALEN
,
757 s
->p2p_client_list
+ (i
+ 1) * ETH_ALEN
,
758 (s
->num_p2p_clients
- i
- 1) * ETH_ALEN
);
759 os_memcpy(s
->p2p_client_list
+
760 (s
->num_p2p_clients
- 1) * ETH_ALEN
, addr
, ETH_ALEN
);
765 if (!found
&& s
->num_p2p_clients
< P2P_MAX_STORED_CLIENTS
) {
766 n
= os_realloc_array(s
->p2p_client_list
,
767 s
->num_p2p_clients
+ 1, ETH_ALEN
);
770 os_memcpy(n
+ s
->num_p2p_clients
* ETH_ALEN
, addr
, ETH_ALEN
);
771 s
->p2p_client_list
= n
;
772 s
->num_p2p_clients
++;
774 /* Not enough room for an additional entry - drop the oldest
776 os_memmove(s
->p2p_client_list
,
777 s
->p2p_client_list
+ ETH_ALEN
,
778 (s
->num_p2p_clients
- 1) * ETH_ALEN
);
779 os_memcpy(s
->p2p_client_list
+
780 (s
->num_p2p_clients
- 1) * ETH_ALEN
,
784 #ifndef CONFIG_NO_CONFIG_WRITE
785 if (wpa_s
->parent
->conf
->update_config
&&
786 wpa_config_write(wpa_s
->parent
->confname
, wpa_s
->parent
->conf
))
787 wpa_printf(MSG_DEBUG
, "P2P: Failed to update configuration");
788 #endif /* CONFIG_NO_CONFIG_WRITE */
792 static void wpas_group_formation_completed(struct wpa_supplicant
*wpa_s
,
795 struct wpa_ssid
*ssid
;
796 const char *ssid_txt
;
799 u8 go_dev_addr
[ETH_ALEN
];
803 * This callback is likely called for the main interface. Update wpa_s
804 * to use the group interface if a new interface was created for the
807 if (wpa_s
->global
->p2p_group_formation
)
808 wpa_s
= wpa_s
->global
->p2p_group_formation
;
809 if (wpa_s
->p2p_go_group_formation_completed
) {
810 wpa_s
->global
->p2p_group_formation
= NULL
;
811 wpa_s
->p2p_in_provisioning
= 0;
815 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
816 P2P_EVENT_GROUP_FORMATION_FAILURE
);
817 wpas_p2p_group_delete(wpa_s
,
818 P2P_GROUP_REMOVAL_FORMATION_FAILED
);
822 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
823 P2P_EVENT_GROUP_FORMATION_SUCCESS
);
825 ssid
= wpa_s
->current_ssid
;
826 if (ssid
&& ssid
->mode
== WPAS_MODE_P2P_GROUP_FORMATION
) {
827 ssid
->mode
= WPAS_MODE_P2P_GO
;
828 p2p_group_notif_formation_done(wpa_s
->p2p_group
);
829 wpa_supplicant_ap_mac_addr_filter(wpa_s
, NULL
);
834 ssid_txt
= wpa_ssid_txt(ssid
->ssid
, ssid
->ssid_len
);
835 client
= ssid
->mode
== WPAS_MODE_INFRA
;
836 if (ssid
->mode
== WPAS_MODE_P2P_GO
) {
837 persistent
= ssid
->p2p_persistent_group
;
838 os_memcpy(go_dev_addr
, wpa_s
->global
->p2p_dev_addr
,
841 persistent
= wpas_p2p_persistent_group(wpa_s
,
847 client
= wpa_s
->p2p_group_interface
==
848 P2P_GROUP_INTERFACE_CLIENT
;
849 os_memset(go_dev_addr
, 0, ETH_ALEN
);
852 wpa_s
->show_group_started
= 0;
855 * Indicate event only after successfully completed 4-way
856 * handshake, i.e., when the interface is ready for data
859 wpa_s
->show_group_started
= 1;
860 } else if (ssid
&& ssid
->passphrase
== NULL
&& ssid
->psk_set
) {
862 wpa_snprintf_hex(psk
, sizeof(psk
), ssid
->psk
, 32);
863 wpa_msg_global(wpa_s
->parent
, MSG_INFO
, P2P_EVENT_GROUP_STARTED
864 "%s GO ssid=\"%s\" freq=%d psk=%s go_dev_addr="
866 wpa_s
->ifname
, ssid_txt
, ssid
->frequency
, psk
,
867 MAC2STR(go_dev_addr
),
868 persistent
? " [PERSISTENT]" : "");
869 wpas_p2p_cross_connect_setup(wpa_s
);
870 wpas_p2p_set_group_idle_timeout(wpa_s
);
872 wpa_msg_global(wpa_s
->parent
, MSG_INFO
, P2P_EVENT_GROUP_STARTED
873 "%s GO ssid=\"%s\" freq=%d passphrase=\"%s\" "
874 "go_dev_addr=" MACSTR
"%s",
875 wpa_s
->ifname
, ssid_txt
,
876 ssid
? ssid
->frequency
: 0,
877 ssid
&& ssid
->passphrase
? ssid
->passphrase
: "",
878 MAC2STR(go_dev_addr
),
879 persistent
? " [PERSISTENT]" : "");
880 wpas_p2p_cross_connect_setup(wpa_s
);
881 wpas_p2p_set_group_idle_timeout(wpa_s
);
885 network_id
= wpas_p2p_store_persistent_group(wpa_s
->parent
,
888 os_free(wpa_s
->global
->add_psk
);
889 wpa_s
->global
->add_psk
= NULL
;
891 if (network_id
< 0 && ssid
)
892 network_id
= ssid
->id
;
894 wpas_notify_p2p_group_started(wpa_s
, ssid
, network_id
, 0);
895 os_get_reltime(&wpa_s
->global
->p2p_go_wait_client
);
900 static void wpas_p2p_send_action_tx_status(struct wpa_supplicant
*wpa_s
,
902 const u8
*dst
, const u8
*src
,
904 const u8
*data
, size_t data_len
,
905 enum offchannel_send_action_result
908 enum p2p_send_action_result res
= P2P_SEND_ACTION_SUCCESS
;
910 if (wpa_s
->global
->p2p
== NULL
|| wpa_s
->global
->p2p_disabled
)
914 case OFFCHANNEL_SEND_ACTION_SUCCESS
:
915 res
= P2P_SEND_ACTION_SUCCESS
;
917 case OFFCHANNEL_SEND_ACTION_NO_ACK
:
918 res
= P2P_SEND_ACTION_NO_ACK
;
920 case OFFCHANNEL_SEND_ACTION_FAILED
:
921 res
= P2P_SEND_ACTION_FAILED
;
925 p2p_send_action_cb(wpa_s
->global
->p2p
, freq
, dst
, src
, bssid
, res
);
927 if (result
!= OFFCHANNEL_SEND_ACTION_SUCCESS
&&
928 wpa_s
->pending_pd_before_join
&&
929 (os_memcmp(dst
, wpa_s
->pending_join_dev_addr
, ETH_ALEN
) == 0 ||
930 os_memcmp(dst
, wpa_s
->pending_join_iface_addr
, ETH_ALEN
) == 0) &&
931 wpa_s
->p2p_fallback_to_go_neg
) {
932 wpa_s
->pending_pd_before_join
= 0;
933 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: No ACK for PD Req "
934 "during p2p_connect-auto");
935 wpas_p2p_fallback_to_go_neg(wpa_s
, 0);
941 static int wpas_send_action(void *ctx
, unsigned int freq
, const u8
*dst
,
942 const u8
*src
, const u8
*bssid
, const u8
*buf
,
943 size_t len
, unsigned int wait_time
)
945 struct wpa_supplicant
*wpa_s
= ctx
;
946 return offchannel_send_action(wpa_s
, freq
, dst
, src
, bssid
, buf
, len
,
948 wpas_p2p_send_action_tx_status
, 1);
952 static void wpas_send_action_done(void *ctx
)
954 struct wpa_supplicant
*wpa_s
= ctx
;
955 offchannel_send_action_done(wpa_s
);
959 static int wpas_copy_go_neg_results(struct wpa_supplicant
*wpa_s
,
960 struct p2p_go_neg_results
*params
)
962 if (wpa_s
->go_params
== NULL
) {
963 wpa_s
->go_params
= os_malloc(sizeof(*params
));
964 if (wpa_s
->go_params
== NULL
)
967 os_memcpy(wpa_s
->go_params
, params
, sizeof(*params
));
972 static void wpas_start_wps_enrollee(struct wpa_supplicant
*wpa_s
,
973 struct p2p_go_neg_results
*res
)
975 wpa_printf(MSG_DEBUG
, "P2P: Start WPS Enrollee for peer " MACSTR
,
976 MAC2STR(res
->peer_interface_addr
));
977 wpa_hexdump_ascii(MSG_DEBUG
, "P2P: Start WPS Enrollee for SSID",
978 res
->ssid
, res
->ssid_len
);
979 wpa_supplicant_ap_deinit(wpa_s
);
980 wpas_copy_go_neg_results(wpa_s
, res
);
981 if (res
->wps_method
== WPS_PBC
)
982 wpas_wps_start_pbc(wpa_s
, res
->peer_interface_addr
, 1);
984 u16 dev_pw_id
= DEV_PW_DEFAULT
;
985 if (wpa_s
->p2p_wps_method
== WPS_PIN_KEYPAD
)
986 dev_pw_id
= DEV_PW_REGISTRAR_SPECIFIED
;
987 wpas_wps_start_pin(wpa_s
, res
->peer_interface_addr
,
988 wpa_s
->p2p_pin
, 1, dev_pw_id
);
993 static void wpas_p2p_add_psk_list(struct wpa_supplicant
*wpa_s
,
994 struct wpa_ssid
*ssid
)
996 struct wpa_ssid
*persistent
;
997 struct psk_list_entry
*psk
;
998 struct hostapd_data
*hapd
;
1000 if (!wpa_s
->ap_iface
)
1003 persistent
= wpas_p2p_get_persistent(wpa_s
->parent
, NULL
, ssid
->ssid
,
1005 if (persistent
== NULL
)
1008 hapd
= wpa_s
->ap_iface
->bss
[0];
1010 dl_list_for_each(psk
, &persistent
->psk_list
, struct psk_list_entry
,
1012 struct hostapd_wpa_psk
*hpsk
;
1014 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Add persistent group PSK entry for "
1016 MAC2STR(psk
->addr
), psk
->p2p
);
1017 hpsk
= os_zalloc(sizeof(*hpsk
));
1020 os_memcpy(hpsk
->psk
, psk
->psk
, PMK_LEN
);
1022 os_memcpy(hpsk
->p2p_dev_addr
, psk
->addr
, ETH_ALEN
);
1024 os_memcpy(hpsk
->addr
, psk
->addr
, ETH_ALEN
);
1025 hpsk
->next
= hapd
->conf
->ssid
.wpa_psk
;
1026 hapd
->conf
->ssid
.wpa_psk
= hpsk
;
1031 static void p2p_go_configured(void *ctx
, void *data
)
1033 struct wpa_supplicant
*wpa_s
= ctx
;
1034 struct p2p_go_neg_results
*params
= data
;
1035 struct wpa_ssid
*ssid
;
1036 int network_id
= -1;
1038 ssid
= wpa_s
->current_ssid
;
1039 if (ssid
&& ssid
->mode
== WPAS_MODE_P2P_GO
) {
1040 wpa_printf(MSG_DEBUG
, "P2P: Group setup without provisioning");
1041 if (wpa_s
->global
->p2p_group_formation
== wpa_s
)
1042 wpa_s
->global
->p2p_group_formation
= NULL
;
1043 if (os_strlen(params
->passphrase
) > 0) {
1044 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
1045 P2P_EVENT_GROUP_STARTED
1046 "%s GO ssid=\"%s\" freq=%d "
1047 "passphrase=\"%s\" go_dev_addr=" MACSTR
1048 "%s", wpa_s
->ifname
,
1049 wpa_ssid_txt(ssid
->ssid
, ssid
->ssid_len
),
1050 ssid
->frequency
, params
->passphrase
,
1051 MAC2STR(wpa_s
->global
->p2p_dev_addr
),
1052 params
->persistent_group
?
1053 " [PERSISTENT]" : "");
1056 wpa_snprintf_hex(psk
, sizeof(psk
), params
->psk
,
1057 sizeof(params
->psk
));
1058 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
1059 P2P_EVENT_GROUP_STARTED
1060 "%s GO ssid=\"%s\" freq=%d psk=%s "
1061 "go_dev_addr=" MACSTR
"%s",
1063 wpa_ssid_txt(ssid
->ssid
, ssid
->ssid_len
),
1064 ssid
->frequency
, psk
,
1065 MAC2STR(wpa_s
->global
->p2p_dev_addr
),
1066 params
->persistent_group
?
1067 " [PERSISTENT]" : "");
1070 os_get_reltime(&wpa_s
->global
->p2p_go_wait_client
);
1071 if (params
->persistent_group
) {
1072 network_id
= wpas_p2p_store_persistent_group(
1073 wpa_s
->parent
, ssid
,
1074 wpa_s
->global
->p2p_dev_addr
);
1075 wpas_p2p_add_psk_list(wpa_s
, ssid
);
1078 network_id
= ssid
->id
;
1079 wpas_notify_p2p_group_started(wpa_s
, ssid
, network_id
, 0);
1080 wpas_p2p_cross_connect_setup(wpa_s
);
1081 wpas_p2p_set_group_idle_timeout(wpa_s
);
1083 if (wpa_s
->p2p_first_connection_timeout
) {
1084 wpa_dbg(wpa_s
, MSG_DEBUG
,
1085 "P2P: Start group formation timeout of %d seconds until first data connection on GO",
1086 wpa_s
->p2p_first_connection_timeout
);
1087 wpa_s
->p2p_go_group_formation_completed
= 0;
1088 wpa_s
->global
->p2p_group_formation
= wpa_s
;
1089 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
,
1090 wpa_s
->parent
, NULL
);
1091 eloop_register_timeout(
1092 wpa_s
->p2p_first_connection_timeout
, 0,
1093 wpas_p2p_group_formation_timeout
,
1094 wpa_s
->parent
, NULL
);
1100 wpa_printf(MSG_DEBUG
, "P2P: Setting up WPS for GO provisioning");
1101 if (wpa_supplicant_ap_mac_addr_filter(wpa_s
,
1102 params
->peer_interface_addr
)) {
1103 wpa_printf(MSG_DEBUG
, "P2P: Failed to setup MAC address "
1107 if (params
->wps_method
== WPS_PBC
)
1108 wpa_supplicant_ap_wps_pbc(wpa_s
, params
->peer_interface_addr
,
1109 params
->peer_device_addr
);
1110 else if (wpa_s
->p2p_pin
[0])
1111 wpa_supplicant_ap_wps_pin(wpa_s
, params
->peer_interface_addr
,
1112 wpa_s
->p2p_pin
, NULL
, 0, 0);
1113 os_free(wpa_s
->go_params
);
1114 wpa_s
->go_params
= NULL
;
1118 static void wpas_start_wps_go(struct wpa_supplicant
*wpa_s
,
1119 struct p2p_go_neg_results
*params
,
1120 int group_formation
)
1122 struct wpa_ssid
*ssid
;
1124 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Starting GO");
1125 if (wpas_copy_go_neg_results(wpa_s
, params
) < 0) {
1126 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Could not copy GO Negotiation "
1131 ssid
= wpa_config_add_network(wpa_s
->conf
);
1133 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Could not add network for GO");
1137 wpa_s
->show_group_started
= 0;
1139 wpa_config_set_network_defaults(ssid
);
1140 ssid
->temporary
= 1;
1141 ssid
->p2p_group
= 1;
1142 ssid
->p2p_persistent_group
= params
->persistent_group
;
1143 ssid
->mode
= group_formation
? WPAS_MODE_P2P_GROUP_FORMATION
:
1145 ssid
->frequency
= params
->freq
;
1146 ssid
->ht40
= params
->ht40
;
1147 ssid
->vht
= params
->vht
;
1148 ssid
->ssid
= os_zalloc(params
->ssid_len
+ 1);
1150 os_memcpy(ssid
->ssid
, params
->ssid
, params
->ssid_len
);
1151 ssid
->ssid_len
= params
->ssid_len
;
1153 ssid
->auth_alg
= WPA_AUTH_ALG_OPEN
;
1154 ssid
->key_mgmt
= WPA_KEY_MGMT_PSK
;
1155 ssid
->proto
= WPA_PROTO_RSN
;
1156 ssid
->pairwise_cipher
= WPA_CIPHER_CCMP
;
1157 if (os_strlen(params
->passphrase
) > 0) {
1158 ssid
->passphrase
= os_strdup(params
->passphrase
);
1159 if (ssid
->passphrase
== NULL
) {
1160 wpa_msg_global(wpa_s
, MSG_ERROR
,
1161 "P2P: Failed to copy passphrase for GO");
1162 wpa_config_remove_network(wpa_s
->conf
, ssid
->id
);
1166 ssid
->passphrase
= NULL
;
1167 ssid
->psk_set
= params
->psk_set
;
1169 os_memcpy(ssid
->psk
, params
->psk
, sizeof(ssid
->psk
));
1170 else if (ssid
->passphrase
)
1171 wpa_config_update_psk(ssid
);
1172 ssid
->ap_max_inactivity
= wpa_s
->parent
->conf
->p2p_go_max_inactivity
;
1174 wpa_s
->ap_configured_cb
= p2p_go_configured
;
1175 wpa_s
->ap_configured_cb_ctx
= wpa_s
;
1176 wpa_s
->ap_configured_cb_data
= wpa_s
->go_params
;
1177 wpa_s
->connect_without_scan
= ssid
;
1178 wpa_s
->reassociate
= 1;
1179 wpa_s
->disconnected
= 0;
1180 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Request scan (that will be skipped) to "
1182 wpa_supplicant_req_scan(wpa_s
, 0, 0);
1186 static void wpas_p2p_clone_config(struct wpa_supplicant
*dst
,
1187 const struct wpa_supplicant
*src
)
1189 struct wpa_config
*d
;
1190 const struct wpa_config
*s
;
1195 #define C(n) if (s->n) d->n = os_strdup(s->n)
1204 os_memcpy(d
->device_type
, s
->device_type
, WPS_DEV_TYPE_LEN
);
1205 os_memcpy(d
->sec_device_type
, s
->sec_device_type
,
1206 sizeof(d
->sec_device_type
));
1207 d
->num_sec_device_types
= s
->num_sec_device_types
;
1209 d
->p2p_group_idle
= s
->p2p_group_idle
;
1210 d
->p2p_intra_bss
= s
->p2p_intra_bss
;
1211 d
->persistent_reconnect
= s
->persistent_reconnect
;
1212 d
->max_num_sta
= s
->max_num_sta
;
1213 d
->pbc_in_m1
= s
->pbc_in_m1
;
1214 d
->ignore_old_scan_res
= s
->ignore_old_scan_res
;
1215 d
->beacon_int
= s
->beacon_int
;
1216 d
->disassoc_low_ack
= s
->disassoc_low_ack
;
1217 d
->disable_scan_offload
= s
->disable_scan_offload
;
1221 static void wpas_p2p_get_group_ifname(struct wpa_supplicant
*wpa_s
,
1222 char *ifname
, size_t len
)
1224 char *ifname_ptr
= wpa_s
->ifname
;
1226 if (os_strncmp(wpa_s
->ifname
, P2P_MGMT_DEVICE_PREFIX
,
1227 os_strlen(P2P_MGMT_DEVICE_PREFIX
)) == 0) {
1228 ifname_ptr
= os_strrchr(wpa_s
->ifname
, '-') + 1;
1231 os_snprintf(ifname
, len
, "p2p-%s-%d", ifname_ptr
, wpa_s
->p2p_group_idx
);
1232 if (os_strlen(ifname
) >= IFNAMSIZ
&&
1233 os_strlen(wpa_s
->ifname
) < IFNAMSIZ
) {
1234 /* Try to avoid going over the IFNAMSIZ length limit */
1235 os_snprintf(ifname
, len
, "p2p-%d", wpa_s
->p2p_group_idx
);
1240 static int wpas_p2p_add_group_interface(struct wpa_supplicant
*wpa_s
,
1241 enum wpa_driver_if_type type
)
1243 char ifname
[120], force_ifname
[120];
1245 if (wpa_s
->pending_interface_name
[0]) {
1246 wpa_printf(MSG_DEBUG
, "P2P: Pending virtual interface exists "
1247 "- skip creation of a new one");
1248 if (is_zero_ether_addr(wpa_s
->pending_interface_addr
)) {
1249 wpa_printf(MSG_DEBUG
, "P2P: Pending virtual address "
1250 "unknown?! ifname='%s'",
1251 wpa_s
->pending_interface_name
);
1257 wpas_p2p_get_group_ifname(wpa_s
, ifname
, sizeof(ifname
));
1258 force_ifname
[0] = '\0';
1260 wpa_printf(MSG_DEBUG
, "P2P: Create a new interface %s for the group",
1262 wpa_s
->p2p_group_idx
++;
1264 wpa_s
->pending_interface_type
= type
;
1265 if (wpa_drv_if_add(wpa_s
, type
, ifname
, NULL
, NULL
, force_ifname
,
1266 wpa_s
->pending_interface_addr
, NULL
) < 0) {
1267 wpa_printf(MSG_ERROR
, "P2P: Failed to create new group "
1272 if (force_ifname
[0]) {
1273 wpa_printf(MSG_DEBUG
, "P2P: Driver forced interface name %s",
1275 os_strlcpy(wpa_s
->pending_interface_name
, force_ifname
,
1276 sizeof(wpa_s
->pending_interface_name
));
1278 os_strlcpy(wpa_s
->pending_interface_name
, ifname
,
1279 sizeof(wpa_s
->pending_interface_name
));
1280 wpa_printf(MSG_DEBUG
, "P2P: Created pending virtual interface %s addr "
1281 MACSTR
, wpa_s
->pending_interface_name
,
1282 MAC2STR(wpa_s
->pending_interface_addr
));
1288 static void wpas_p2p_remove_pending_group_interface(
1289 struct wpa_supplicant
*wpa_s
)
1291 if (!wpa_s
->pending_interface_name
[0] ||
1292 is_zero_ether_addr(wpa_s
->pending_interface_addr
))
1293 return; /* No pending virtual interface */
1295 wpa_printf(MSG_DEBUG
, "P2P: Removing pending group interface %s",
1296 wpa_s
->pending_interface_name
);
1297 wpa_drv_if_remove(wpa_s
, wpa_s
->pending_interface_type
,
1298 wpa_s
->pending_interface_name
);
1299 os_memset(wpa_s
->pending_interface_addr
, 0, ETH_ALEN
);
1300 wpa_s
->pending_interface_name
[0] = '\0';
1304 static struct wpa_supplicant
*
1305 wpas_p2p_init_group_interface(struct wpa_supplicant
*wpa_s
, int go
)
1307 struct wpa_interface iface
;
1308 struct wpa_supplicant
*group_wpa_s
;
1310 if (!wpa_s
->pending_interface_name
[0]) {
1311 wpa_printf(MSG_ERROR
, "P2P: No pending group interface");
1312 if (!wpas_p2p_create_iface(wpa_s
))
1315 * Something has forced us to remove the pending interface; try
1316 * to create a new one and hope for the best that we will get
1317 * the same local address.
1319 if (wpas_p2p_add_group_interface(wpa_s
, go
? WPA_IF_P2P_GO
:
1320 WPA_IF_P2P_CLIENT
) < 0)
1324 os_memset(&iface
, 0, sizeof(iface
));
1325 iface
.ifname
= wpa_s
->pending_interface_name
;
1326 iface
.driver
= wpa_s
->driver
->name
;
1327 if (wpa_s
->conf
->ctrl_interface
== NULL
&&
1328 wpa_s
->parent
!= wpa_s
&&
1330 (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE
))
1331 iface
.ctrl_interface
= wpa_s
->parent
->conf
->ctrl_interface
;
1333 iface
.ctrl_interface
= wpa_s
->conf
->ctrl_interface
;
1334 iface
.driver_param
= wpa_s
->conf
->driver_param
;
1335 group_wpa_s
= wpa_supplicant_add_iface(wpa_s
->global
, &iface
);
1336 if (group_wpa_s
== NULL
) {
1337 wpa_printf(MSG_ERROR
, "P2P: Failed to create new "
1338 "wpa_supplicant interface");
1341 wpa_s
->pending_interface_name
[0] = '\0';
1342 group_wpa_s
->parent
= wpa_s
;
1343 group_wpa_s
->p2p_group_interface
= go
? P2P_GROUP_INTERFACE_GO
:
1344 P2P_GROUP_INTERFACE_CLIENT
;
1345 wpa_s
->global
->p2p_group_formation
= group_wpa_s
;
1347 wpas_p2p_clone_config(group_wpa_s
, wpa_s
);
1353 static void wpas_p2p_group_formation_timeout(void *eloop_ctx
,
1356 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
1357 wpa_printf(MSG_DEBUG
, "P2P: Group Formation timed out");
1358 wpas_p2p_group_formation_failed(wpa_s
);
1362 void wpas_p2p_group_formation_failed(struct wpa_supplicant
*wpa_s
)
1364 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
,
1365 wpa_s
->parent
, NULL
);
1366 if (wpa_s
->global
->p2p
)
1367 p2p_group_formation_failed(wpa_s
->global
->p2p
);
1368 wpas_group_formation_completed(wpa_s
, 0);
1372 void wpas_p2p_ap_setup_failed(struct wpa_supplicant
*wpa_s
)
1374 if (wpa_s
->global
->p2p_group_formation
!= wpa_s
)
1376 /* Speed up group formation timeout since this cannot succeed */
1377 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
,
1378 wpa_s
->parent
, NULL
);
1379 eloop_register_timeout(0, 0, wpas_p2p_group_formation_timeout
,
1380 wpa_s
->parent
, NULL
);
1384 static void wpas_go_neg_completed(void *ctx
, struct p2p_go_neg_results
*res
)
1386 struct wpa_supplicant
*wpa_s
= ctx
;
1388 if (wpa_s
->off_channel_freq
|| wpa_s
->roc_waiting_drv_freq
) {
1389 wpa_drv_cancel_remain_on_channel(wpa_s
);
1390 wpa_s
->off_channel_freq
= 0;
1391 wpa_s
->roc_waiting_drv_freq
= 0;
1395 wpa_msg_global(wpa_s
, MSG_INFO
,
1396 P2P_EVENT_GO_NEG_FAILURE
"status=%d",
1398 wpas_notify_p2p_go_neg_completed(wpa_s
, res
);
1399 wpas_p2p_remove_pending_group_interface(wpa_s
);
1403 if (wpa_s
->p2p_go_ht40
)
1405 if (wpa_s
->p2p_go_vht
)
1408 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_GO_NEG_SUCCESS
"role=%s "
1409 "freq=%d ht40=%d peer_dev=" MACSTR
" peer_iface=" MACSTR
1411 res
->role_go
? "GO" : "client", res
->freq
, res
->ht40
,
1412 MAC2STR(res
->peer_device_addr
),
1413 MAC2STR(res
->peer_interface_addr
),
1414 p2p_wps_method_text(res
->wps_method
));
1415 wpas_notify_p2p_go_neg_completed(wpa_s
, res
);
1417 if (res
->role_go
&& wpa_s
->p2p_persistent_id
>= 0) {
1418 struct wpa_ssid
*ssid
;
1419 ssid
= wpa_config_get_network(wpa_s
->conf
,
1420 wpa_s
->p2p_persistent_id
);
1421 if (ssid
&& ssid
->disabled
== 2 &&
1422 ssid
->mode
== WPAS_MODE_P2P_GO
&& ssid
->passphrase
) {
1423 size_t len
= os_strlen(ssid
->passphrase
);
1424 wpa_printf(MSG_DEBUG
, "P2P: Override passphrase based "
1425 "on requested persistent group");
1426 os_memcpy(res
->passphrase
, ssid
->passphrase
, len
);
1427 res
->passphrase
[len
] = '\0';
1431 if (wpa_s
->create_p2p_iface
) {
1432 struct wpa_supplicant
*group_wpa_s
=
1433 wpas_p2p_init_group_interface(wpa_s
, res
->role_go
);
1434 if (group_wpa_s
== NULL
) {
1435 wpas_p2p_remove_pending_group_interface(wpa_s
);
1438 if (group_wpa_s
!= wpa_s
) {
1439 os_memcpy(group_wpa_s
->p2p_pin
, wpa_s
->p2p_pin
,
1440 sizeof(group_wpa_s
->p2p_pin
));
1441 group_wpa_s
->p2p_wps_method
= wpa_s
->p2p_wps_method
;
1443 os_memset(wpa_s
->pending_interface_addr
, 0, ETH_ALEN
);
1444 wpa_s
->pending_interface_name
[0] = '\0';
1445 group_wpa_s
->p2p_in_provisioning
= 1;
1448 wpas_start_wps_go(group_wpa_s
, res
, 1);
1450 wpas_start_wps_enrollee(group_wpa_s
, res
);
1452 wpa_s
->p2p_in_provisioning
= 1;
1453 wpa_s
->global
->p2p_group_formation
= wpa_s
;
1456 wpas_start_wps_go(wpa_s
, res
, 1);
1458 wpas_start_wps_enrollee(ctx
, res
);
1461 wpa_s
->p2p_long_listen
= 0;
1462 eloop_cancel_timeout(wpas_p2p_long_listen_timeout
, wpa_s
, NULL
);
1464 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
, wpa_s
, NULL
);
1465 eloop_register_timeout(15 + res
->peer_config_timeout
/ 100,
1466 (res
->peer_config_timeout
% 100) * 10000,
1467 wpas_p2p_group_formation_timeout
, wpa_s
, NULL
);
1471 static void wpas_go_neg_req_rx(void *ctx
, const u8
*src
, u16 dev_passwd_id
)
1473 struct wpa_supplicant
*wpa_s
= ctx
;
1474 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_GO_NEG_REQUEST MACSTR
1475 " dev_passwd_id=%u", MAC2STR(src
), dev_passwd_id
);
1477 wpas_notify_p2p_go_neg_req(wpa_s
, src
, dev_passwd_id
);
1481 static void wpas_dev_found(void *ctx
, const u8
*addr
,
1482 const struct p2p_peer_info
*info
,
1485 #ifndef CONFIG_NO_STDOUT_DEBUG
1486 struct wpa_supplicant
*wpa_s
= ctx
;
1487 char devtype
[WPS_DEV_TYPE_BUFSIZE
];
1488 char *wfd_dev_info_hex
= NULL
;
1490 #ifdef CONFIG_WIFI_DISPLAY
1491 wfd_dev_info_hex
= wifi_display_subelem_hex(info
->wfd_subelems
,
1492 WFD_SUBELEM_DEVICE_INFO
);
1493 #endif /* CONFIG_WIFI_DISPLAY */
1495 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_DEVICE_FOUND MACSTR
1496 " p2p_dev_addr=" MACSTR
1497 " pri_dev_type=%s name='%s' config_methods=0x%x "
1498 "dev_capab=0x%x group_capab=0x%x%s%s",
1499 MAC2STR(addr
), MAC2STR(info
->p2p_device_addr
),
1500 wps_dev_type_bin2str(info
->pri_dev_type
, devtype
,
1502 info
->device_name
, info
->config_methods
,
1503 info
->dev_capab
, info
->group_capab
,
1504 wfd_dev_info_hex
? " wfd_dev_info=0x" : "",
1505 wfd_dev_info_hex
? wfd_dev_info_hex
: "");
1506 #endif /* CONFIG_NO_STDOUT_DEBUG */
1508 os_free(wfd_dev_info_hex
);
1510 wpas_notify_p2p_device_found(ctx
, info
->p2p_device_addr
, new_device
);
1514 static void wpas_dev_lost(void *ctx
, const u8
*dev_addr
)
1516 struct wpa_supplicant
*wpa_s
= ctx
;
1518 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_DEVICE_LOST
1519 "p2p_dev_addr=" MACSTR
, MAC2STR(dev_addr
));
1521 wpas_notify_p2p_device_lost(wpa_s
, dev_addr
);
1525 static void wpas_find_stopped(void *ctx
)
1527 struct wpa_supplicant
*wpa_s
= ctx
;
1528 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_FIND_STOPPED
);
1532 static int wpas_start_listen(void *ctx
, unsigned int freq
,
1533 unsigned int duration
,
1534 const struct wpabuf
*probe_resp_ie
)
1536 struct wpa_supplicant
*wpa_s
= ctx
;
1538 wpa_drv_set_ap_wps_ie(wpa_s
, NULL
, probe_resp_ie
, NULL
);
1540 if (wpa_drv_probe_req_report(wpa_s
, 1) < 0) {
1541 wpa_printf(MSG_DEBUG
, "P2P: Failed to request the driver to "
1542 "report received Probe Request frames");
1546 wpa_s
->pending_listen_freq
= freq
;
1547 wpa_s
->pending_listen_duration
= duration
;
1549 if (wpa_drv_remain_on_channel(wpa_s
, freq
, duration
) < 0) {
1550 wpa_printf(MSG_DEBUG
, "P2P: Failed to request the driver "
1551 "to remain on channel (%u MHz) for Listen "
1553 wpa_s
->pending_listen_freq
= 0;
1556 wpa_s
->off_channel_freq
= 0;
1557 wpa_s
->roc_waiting_drv_freq
= freq
;
1563 static void wpas_stop_listen(void *ctx
)
1565 struct wpa_supplicant
*wpa_s
= ctx
;
1566 if (wpa_s
->off_channel_freq
|| wpa_s
->roc_waiting_drv_freq
) {
1567 wpa_drv_cancel_remain_on_channel(wpa_s
);
1568 wpa_s
->off_channel_freq
= 0;
1569 wpa_s
->roc_waiting_drv_freq
= 0;
1571 wpa_drv_set_ap_wps_ie(wpa_s
, NULL
, NULL
, NULL
);
1572 wpa_drv_probe_req_report(wpa_s
, 0);
1576 static int wpas_send_probe_resp(void *ctx
, const struct wpabuf
*buf
)
1578 struct wpa_supplicant
*wpa_s
= ctx
;
1579 return wpa_drv_send_mlme(wpa_s
, wpabuf_head(buf
), wpabuf_len(buf
), 1);
1584 * DNS Header section is used only to calculate compression pointers, so the
1585 * contents of this data does not matter, but the length needs to be reserved
1586 * in the virtual packet.
1588 #define DNS_HEADER_LEN 12
1591 * 27-octet in-memory packet from P2P specification containing two implied
1592 * queries for _tcp.lcoal. PTR IN and _udp.local. PTR IN
1594 #define P2P_SD_IN_MEMORY_LEN 27
1596 static int p2p_sd_dns_uncompress_label(char **upos
, char *uend
, u8
*start
,
1597 u8
**spos
, const u8
*end
)
1599 while (*spos
< end
) {
1600 u8 val
= ((*spos
)[0] & 0xc0) >> 6;
1603 if (val
== 1 || val
== 2) {
1604 /* These are reserved values in RFC 1035 */
1605 wpa_printf(MSG_DEBUG
, "P2P: Invalid domain name "
1606 "sequence starting with 0x%x", val
);
1615 if (*spos
+ 2 > end
) {
1616 wpa_printf(MSG_DEBUG
, "P2P: No room for full "
1617 "DNS offset field");
1621 offset
= (((*spos
)[0] & 0x3f) << 8) | (*spos
)[1];
1622 if (offset
>= *spos
- start
) {
1623 wpa_printf(MSG_DEBUG
, "P2P: Invalid DNS "
1624 "pointer offset %u", offset
);
1629 spos_tmp
= start
+ offset
;
1630 return p2p_sd_dns_uncompress_label(upos
, uend
, start
,
1636 len
= (*spos
)[0] & 0x3f;
1641 if (*spos
+ len
> end
) {
1642 wpa_printf(MSG_DEBUG
, "P2P: Invalid domain name "
1643 "sequence - no room for label with length "
1648 if (*upos
+ len
+ 2 > uend
)
1651 os_memcpy(*upos
, *spos
, len
);
1663 /* Uncompress domain names per RFC 1035 using the P2P SD in-memory packet.
1664 * Returns -1 on parsing error (invalid input sequence), -2 if output buffer is
1665 * not large enough */
1666 static int p2p_sd_dns_uncompress(char *buf
, size_t buf_len
, const u8
*msg
,
1667 size_t msg_len
, size_t offset
)
1669 /* 27-octet in-memory packet from P2P specification */
1670 const char *prefix
= "\x04_tcp\x05local\x00\x00\x0C\x00\x01"
1671 "\x04_udp\xC0\x11\x00\x0C\x00\x01";
1672 u8
*tmp
, *end
, *spos
;
1678 if (offset
> msg_len
)
1681 tmp
= os_malloc(DNS_HEADER_LEN
+ P2P_SD_IN_MEMORY_LEN
+ msg_len
);
1684 spos
= tmp
+ DNS_HEADER_LEN
+ P2P_SD_IN_MEMORY_LEN
;
1685 end
= spos
+ msg_len
;
1688 os_memset(tmp
, 0, DNS_HEADER_LEN
);
1689 os_memcpy(tmp
+ DNS_HEADER_LEN
, prefix
, P2P_SD_IN_MEMORY_LEN
);
1690 os_memcpy(tmp
+ DNS_HEADER_LEN
+ P2P_SD_IN_MEMORY_LEN
, msg
, msg_len
);
1693 uend
= buf
+ buf_len
;
1695 ret
= p2p_sd_dns_uncompress_label(&upos
, uend
, tmp
, &spos
, end
);
1704 } else if (upos
[-1] == '.')
1712 static struct p2p_srv_bonjour
*
1713 wpas_p2p_service_get_bonjour(struct wpa_supplicant
*wpa_s
,
1714 const struct wpabuf
*query
)
1716 struct p2p_srv_bonjour
*bsrv
;
1719 len
= wpabuf_len(query
);
1720 dl_list_for_each(bsrv
, &wpa_s
->global
->p2p_srv_bonjour
,
1721 struct p2p_srv_bonjour
, list
) {
1722 if (len
== wpabuf_len(bsrv
->query
) &&
1723 os_memcmp(wpabuf_head(query
), wpabuf_head(bsrv
->query
),
1731 static struct p2p_srv_upnp
*
1732 wpas_p2p_service_get_upnp(struct wpa_supplicant
*wpa_s
, u8 version
,
1733 const char *service
)
1735 struct p2p_srv_upnp
*usrv
;
1737 dl_list_for_each(usrv
, &wpa_s
->global
->p2p_srv_upnp
,
1738 struct p2p_srv_upnp
, list
) {
1739 if (version
== usrv
->version
&&
1740 os_strcmp(service
, usrv
->service
) == 0)
1747 static void wpas_sd_add_proto_not_avail(struct wpabuf
*resp
, u8 srv_proto
,
1752 if (wpabuf_tailroom(resp
) < 5)
1755 /* Length (to be filled) */
1756 len_pos
= wpabuf_put(resp
, 2);
1757 wpabuf_put_u8(resp
, srv_proto
);
1758 wpabuf_put_u8(resp
, srv_trans_id
);
1760 wpabuf_put_u8(resp
, P2P_SD_PROTO_NOT_AVAILABLE
);
1761 /* Response Data: empty */
1762 WPA_PUT_LE16(len_pos
, (u8
*) wpabuf_put(resp
, 0) - len_pos
- 2);
1766 static void wpas_sd_all_bonjour(struct wpa_supplicant
*wpa_s
,
1767 struct wpabuf
*resp
, u8 srv_trans_id
)
1769 struct p2p_srv_bonjour
*bsrv
;
1772 wpa_printf(MSG_DEBUG
, "P2P: SD Request for all Bonjour services");
1774 if (dl_list_empty(&wpa_s
->global
->p2p_srv_bonjour
)) {
1775 wpa_printf(MSG_DEBUG
, "P2P: Bonjour protocol not available");
1779 dl_list_for_each(bsrv
, &wpa_s
->global
->p2p_srv_bonjour
,
1780 struct p2p_srv_bonjour
, list
) {
1781 if (wpabuf_tailroom(resp
) <
1782 5 + wpabuf_len(bsrv
->query
) + wpabuf_len(bsrv
->resp
))
1784 /* Length (to be filled) */
1785 len_pos
= wpabuf_put(resp
, 2);
1786 wpabuf_put_u8(resp
, P2P_SERV_BONJOUR
);
1787 wpabuf_put_u8(resp
, srv_trans_id
);
1789 wpabuf_put_u8(resp
, P2P_SD_SUCCESS
);
1790 wpa_hexdump_ascii(MSG_DEBUG
, "P2P: Matching Bonjour service",
1791 wpabuf_head(bsrv
->resp
),
1792 wpabuf_len(bsrv
->resp
));
1794 wpabuf_put_buf(resp
, bsrv
->query
); /* Key */
1795 wpabuf_put_buf(resp
, bsrv
->resp
); /* Value */
1796 WPA_PUT_LE16(len_pos
, (u8
*) wpabuf_put(resp
, 0) - len_pos
-
1802 static int match_bonjour_query(struct p2p_srv_bonjour
*bsrv
, const u8
*query
,
1805 char str_rx
[256], str_srv
[256];
1807 if (query_len
< 3 || wpabuf_len(bsrv
->query
) < 3)
1808 return 0; /* Too short to include DNS Type and Version */
1809 if (os_memcmp(query
+ query_len
- 3,
1810 wpabuf_head_u8(bsrv
->query
) + wpabuf_len(bsrv
->query
) - 3,
1812 return 0; /* Mismatch in DNS Type or Version */
1813 if (query_len
== wpabuf_len(bsrv
->query
) &&
1814 os_memcmp(query
, wpabuf_head(bsrv
->query
), query_len
- 3) == 0)
1815 return 1; /* Binary match */
1817 if (p2p_sd_dns_uncompress(str_rx
, sizeof(str_rx
), query
, query_len
- 3,
1819 return 0; /* Failed to uncompress query */
1820 if (p2p_sd_dns_uncompress(str_srv
, sizeof(str_srv
),
1821 wpabuf_head(bsrv
->query
),
1822 wpabuf_len(bsrv
->query
) - 3, 0))
1823 return 0; /* Failed to uncompress service */
1825 return os_strcmp(str_rx
, str_srv
) == 0;
1829 static void wpas_sd_req_bonjour(struct wpa_supplicant
*wpa_s
,
1830 struct wpabuf
*resp
, u8 srv_trans_id
,
1831 const u8
*query
, size_t query_len
)
1833 struct p2p_srv_bonjour
*bsrv
;
1837 wpa_hexdump_ascii(MSG_DEBUG
, "P2P: SD Request for Bonjour",
1839 if (dl_list_empty(&wpa_s
->global
->p2p_srv_bonjour
)) {
1840 wpa_printf(MSG_DEBUG
, "P2P: Bonjour protocol not available");
1841 wpas_sd_add_proto_not_avail(resp
, P2P_SERV_BONJOUR
,
1846 if (query_len
== 0) {
1847 wpas_sd_all_bonjour(wpa_s
, resp
, srv_trans_id
);
1851 dl_list_for_each(bsrv
, &wpa_s
->global
->p2p_srv_bonjour
,
1852 struct p2p_srv_bonjour
, list
) {
1853 if (!match_bonjour_query(bsrv
, query
, query_len
))
1856 if (wpabuf_tailroom(resp
) <
1857 5 + query_len
+ wpabuf_len(bsrv
->resp
))
1862 /* Length (to be filled) */
1863 len_pos
= wpabuf_put(resp
, 2);
1864 wpabuf_put_u8(resp
, P2P_SERV_BONJOUR
);
1865 wpabuf_put_u8(resp
, srv_trans_id
);
1868 wpabuf_put_u8(resp
, P2P_SD_SUCCESS
);
1869 wpa_hexdump_ascii(MSG_DEBUG
, "P2P: Matching Bonjour service",
1870 wpabuf_head(bsrv
->resp
),
1871 wpabuf_len(bsrv
->resp
));
1874 wpabuf_put_data(resp
, query
, query_len
); /* Key */
1875 wpabuf_put_buf(resp
, bsrv
->resp
); /* Value */
1877 WPA_PUT_LE16(len_pos
, (u8
*) wpabuf_put(resp
, 0) - len_pos
- 2);
1881 wpa_printf(MSG_DEBUG
, "P2P: Requested Bonjour service not "
1883 if (wpabuf_tailroom(resp
) < 5)
1886 /* Length (to be filled) */
1887 len_pos
= wpabuf_put(resp
, 2);
1888 wpabuf_put_u8(resp
, P2P_SERV_BONJOUR
);
1889 wpabuf_put_u8(resp
, srv_trans_id
);
1892 wpabuf_put_u8(resp
, P2P_SD_REQUESTED_INFO_NOT_AVAILABLE
);
1893 /* Response Data: empty */
1894 WPA_PUT_LE16(len_pos
, (u8
*) wpabuf_put(resp
, 0) - len_pos
-
1900 static void wpas_sd_all_upnp(struct wpa_supplicant
*wpa_s
,
1901 struct wpabuf
*resp
, u8 srv_trans_id
)
1903 struct p2p_srv_upnp
*usrv
;
1906 wpa_printf(MSG_DEBUG
, "P2P: SD Request for all UPnP services");
1908 if (dl_list_empty(&wpa_s
->global
->p2p_srv_upnp
)) {
1909 wpa_printf(MSG_DEBUG
, "P2P: UPnP protocol not available");
1913 dl_list_for_each(usrv
, &wpa_s
->global
->p2p_srv_upnp
,
1914 struct p2p_srv_upnp
, list
) {
1915 if (wpabuf_tailroom(resp
) < 5 + 1 + os_strlen(usrv
->service
))
1918 /* Length (to be filled) */
1919 len_pos
= wpabuf_put(resp
, 2);
1920 wpabuf_put_u8(resp
, P2P_SERV_UPNP
);
1921 wpabuf_put_u8(resp
, srv_trans_id
);
1924 wpabuf_put_u8(resp
, P2P_SD_SUCCESS
);
1926 wpabuf_put_u8(resp
, usrv
->version
);
1927 wpa_printf(MSG_DEBUG
, "P2P: Matching UPnP Service: %s",
1929 wpabuf_put_str(resp
, usrv
->service
);
1930 WPA_PUT_LE16(len_pos
, (u8
*) wpabuf_put(resp
, 0) - len_pos
-
1936 static void wpas_sd_req_upnp(struct wpa_supplicant
*wpa_s
,
1937 struct wpabuf
*resp
, u8 srv_trans_id
,
1938 const u8
*query
, size_t query_len
)
1940 struct p2p_srv_upnp
*usrv
;
1946 wpa_hexdump_ascii(MSG_DEBUG
, "P2P: SD Request for UPnP",
1949 if (dl_list_empty(&wpa_s
->global
->p2p_srv_upnp
)) {
1950 wpa_printf(MSG_DEBUG
, "P2P: UPnP protocol not available");
1951 wpas_sd_add_proto_not_avail(resp
, P2P_SERV_UPNP
,
1956 if (query_len
== 0) {
1957 wpas_sd_all_upnp(wpa_s
, resp
, srv_trans_id
);
1961 if (wpabuf_tailroom(resp
) < 5)
1964 /* Length (to be filled) */
1965 len_pos
= wpabuf_put(resp
, 2);
1966 wpabuf_put_u8(resp
, P2P_SERV_UPNP
);
1967 wpabuf_put_u8(resp
, srv_trans_id
);
1970 str
= os_malloc(query_len
);
1973 os_memcpy(str
, query
+ 1, query_len
- 1);
1974 str
[query_len
- 1] = '\0';
1976 dl_list_for_each(usrv
, &wpa_s
->global
->p2p_srv_upnp
,
1977 struct p2p_srv_upnp
, list
) {
1978 if (version
!= usrv
->version
)
1981 if (os_strcmp(str
, "ssdp:all") != 0 &&
1982 os_strstr(usrv
->service
, str
) == NULL
)
1985 if (wpabuf_tailroom(resp
) < 2)
1989 wpabuf_put_u8(resp
, P2P_SD_SUCCESS
);
1991 wpabuf_put_u8(resp
, version
);
1993 wpabuf_put_u8(resp
, ',');
1997 wpa_printf(MSG_DEBUG
, "P2P: Matching UPnP Service: %s",
1999 if (wpabuf_tailroom(resp
) < os_strlen(usrv
->service
))
2001 wpabuf_put_str(resp
, usrv
->service
);
2006 wpa_printf(MSG_DEBUG
, "P2P: Requested UPnP service not "
2009 wpabuf_put_u8(resp
, P2P_SD_REQUESTED_INFO_NOT_AVAILABLE
);
2010 /* Response Data: empty */
2013 WPA_PUT_LE16(len_pos
, (u8
*) wpabuf_put(resp
, 0) - len_pos
- 2);
2017 #ifdef CONFIG_WIFI_DISPLAY
2018 static void wpas_sd_req_wfd(struct wpa_supplicant
*wpa_s
,
2019 struct wpabuf
*resp
, u8 srv_trans_id
,
2020 const u8
*query
, size_t query_len
)
2026 wpa_hexdump(MSG_DEBUG
, "P2P: SD Request for WFD", query
, query_len
);
2028 if (!wpa_s
->global
->wifi_display
) {
2029 wpa_printf(MSG_DEBUG
, "P2P: WFD protocol not available");
2030 wpas_sd_add_proto_not_avail(resp
, P2P_SERV_WIFI_DISPLAY
,
2035 if (query_len
< 1) {
2036 wpa_printf(MSG_DEBUG
, "P2P: Missing WFD Requested Device "
2041 if (wpabuf_tailroom(resp
) < 5)
2046 wpa_printf(MSG_DEBUG
, "P2P: WSD for device role 0x%x", role
);
2048 /* TODO: role specific handling */
2050 /* Length (to be filled) */
2051 len_pos
= wpabuf_put(resp
, 2);
2052 wpabuf_put_u8(resp
, P2P_SERV_WIFI_DISPLAY
);
2053 wpabuf_put_u8(resp
, srv_trans_id
);
2054 wpabuf_put_u8(resp
, P2P_SD_SUCCESS
); /* Status Code */
2056 while (pos
< query
+ query_len
) {
2057 if (*pos
< MAX_WFD_SUBELEMS
&&
2058 wpa_s
->global
->wfd_subelem
[*pos
] &&
2059 wpabuf_tailroom(resp
) >=
2060 wpabuf_len(wpa_s
->global
->wfd_subelem
[*pos
])) {
2061 wpa_printf(MSG_DEBUG
, "P2P: Add WSD response "
2062 "subelement %u", *pos
);
2063 wpabuf_put_buf(resp
, wpa_s
->global
->wfd_subelem
[*pos
]);
2068 WPA_PUT_LE16(len_pos
, (u8
*) wpabuf_put(resp
, 0) - len_pos
- 2);
2070 #endif /* CONFIG_WIFI_DISPLAY */
2073 static void wpas_sd_request(void *ctx
, int freq
, const u8
*sa
, u8 dialog_token
,
2074 u16 update_indic
, const u8
*tlvs
, size_t tlvs_len
)
2076 struct wpa_supplicant
*wpa_s
= ctx
;
2077 const u8
*pos
= tlvs
;
2078 const u8
*end
= tlvs
+ tlvs_len
;
2081 struct wpabuf
*resp
;
2082 u8 srv_proto
, srv_trans_id
;
2086 wpa_hexdump(MSG_MSGDUMP
, "P2P: Service Discovery Request TLVs",
2088 buf_len
= 2 * tlvs_len
+ 1;
2089 buf
= os_malloc(buf_len
);
2091 wpa_snprintf_hex(buf
, buf_len
, tlvs
, tlvs_len
);
2092 wpa_msg_ctrl(wpa_s
, MSG_INFO
, P2P_EVENT_SERV_DISC_REQ
"%d "
2094 freq
, MAC2STR(sa
), dialog_token
, update_indic
,
2099 if (wpa_s
->p2p_sd_over_ctrl_iface
) {
2100 wpas_notify_p2p_sd_request(wpa_s
, freq
, sa
, dialog_token
,
2101 update_indic
, tlvs
, tlvs_len
);
2102 return; /* to be processed by an external program */
2105 resp
= wpabuf_alloc(10000);
2109 while (pos
+ 1 < end
) {
2110 wpa_printf(MSG_DEBUG
, "P2P: Service Request TLV");
2111 slen
= WPA_GET_LE16(pos
);
2113 if (pos
+ slen
> end
|| slen
< 2) {
2114 wpa_printf(MSG_DEBUG
, "P2P: Unexpected Query Data "
2119 tlv_end
= pos
+ slen
;
2122 wpa_printf(MSG_DEBUG
, "P2P: Service Protocol Type %u",
2124 srv_trans_id
= *pos
++;
2125 wpa_printf(MSG_DEBUG
, "P2P: Service Transaction ID %u",
2128 wpa_hexdump(MSG_MSGDUMP
, "P2P: Query Data",
2129 pos
, tlv_end
- pos
);
2132 if (wpa_s
->force_long_sd
) {
2133 wpa_printf(MSG_DEBUG
, "P2P: SD test - force long "
2135 wpas_sd_all_bonjour(wpa_s
, resp
, srv_trans_id
);
2136 wpas_sd_all_upnp(wpa_s
, resp
, srv_trans_id
);
2140 switch (srv_proto
) {
2141 case P2P_SERV_ALL_SERVICES
:
2142 wpa_printf(MSG_DEBUG
, "P2P: Service Discovery Request "
2143 "for all services");
2144 if (dl_list_empty(&wpa_s
->global
->p2p_srv_upnp
) &&
2145 dl_list_empty(&wpa_s
->global
->p2p_srv_bonjour
)) {
2146 wpa_printf(MSG_DEBUG
, "P2P: No service "
2147 "discovery protocols available");
2148 wpas_sd_add_proto_not_avail(
2149 resp
, P2P_SERV_ALL_SERVICES
,
2153 wpas_sd_all_bonjour(wpa_s
, resp
, srv_trans_id
);
2154 wpas_sd_all_upnp(wpa_s
, resp
, srv_trans_id
);
2156 case P2P_SERV_BONJOUR
:
2157 wpas_sd_req_bonjour(wpa_s
, resp
, srv_trans_id
,
2158 pos
, tlv_end
- pos
);
2161 wpas_sd_req_upnp(wpa_s
, resp
, srv_trans_id
,
2162 pos
, tlv_end
- pos
);
2164 #ifdef CONFIG_WIFI_DISPLAY
2165 case P2P_SERV_WIFI_DISPLAY
:
2166 wpas_sd_req_wfd(wpa_s
, resp
, srv_trans_id
,
2167 pos
, tlv_end
- pos
);
2169 #endif /* CONFIG_WIFI_DISPLAY */
2171 wpa_printf(MSG_DEBUG
, "P2P: Unavailable service "
2172 "protocol %u", srv_proto
);
2173 wpas_sd_add_proto_not_avail(resp
, srv_proto
,
2182 wpas_notify_p2p_sd_request(wpa_s
, freq
, sa
, dialog_token
,
2183 update_indic
, tlvs
, tlvs_len
);
2185 wpas_p2p_sd_response(wpa_s
, freq
, sa
, dialog_token
, resp
);
2191 static void wpas_sd_response(void *ctx
, const u8
*sa
, u16 update_indic
,
2192 const u8
*tlvs
, size_t tlvs_len
)
2194 struct wpa_supplicant
*wpa_s
= ctx
;
2195 const u8
*pos
= tlvs
;
2196 const u8
*end
= tlvs
+ tlvs_len
;
2202 wpa_hexdump(MSG_MSGDUMP
, "P2P: Service Discovery Response TLVs",
2204 if (tlvs_len
> 1500) {
2205 /* TODO: better way for handling this */
2206 wpa_msg_ctrl(wpa_s
, MSG_INFO
,
2207 P2P_EVENT_SERV_DISC_RESP MACSTR
2208 " %u <long response: %u bytes>",
2209 MAC2STR(sa
), update_indic
,
2210 (unsigned int) tlvs_len
);
2212 buf_len
= 2 * tlvs_len
+ 1;
2213 buf
= os_malloc(buf_len
);
2215 wpa_snprintf_hex(buf
, buf_len
, tlvs
, tlvs_len
);
2216 wpa_msg_ctrl(wpa_s
, MSG_INFO
,
2217 P2P_EVENT_SERV_DISC_RESP MACSTR
" %u %s",
2218 MAC2STR(sa
), update_indic
, buf
);
2224 u8 srv_proto
, srv_trans_id
, status
;
2226 wpa_printf(MSG_DEBUG
, "P2P: Service Response TLV");
2227 slen
= WPA_GET_LE16(pos
);
2229 if (pos
+ slen
> end
|| slen
< 3) {
2230 wpa_printf(MSG_DEBUG
, "P2P: Unexpected Response Data "
2234 tlv_end
= pos
+ slen
;
2237 wpa_printf(MSG_DEBUG
, "P2P: Service Protocol Type %u",
2239 srv_trans_id
= *pos
++;
2240 wpa_printf(MSG_DEBUG
, "P2P: Service Transaction ID %u",
2243 wpa_printf(MSG_DEBUG
, "P2P: Status Code ID %u",
2246 wpa_hexdump(MSG_MSGDUMP
, "P2P: Response Data",
2247 pos
, tlv_end
- pos
);
2252 wpas_notify_p2p_sd_response(wpa_s
, sa
, update_indic
, tlvs
, tlvs_len
);
2256 u64
wpas_p2p_sd_request(struct wpa_supplicant
*wpa_s
, const u8
*dst
,
2257 const struct wpabuf
*tlvs
)
2259 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
2261 return (uintptr_t) p2p_sd_request(wpa_s
->global
->p2p
, dst
, tlvs
);
2265 u64
wpas_p2p_sd_request_upnp(struct wpa_supplicant
*wpa_s
, const u8
*dst
,
2266 u8 version
, const char *query
)
2268 struct wpabuf
*tlvs
;
2271 tlvs
= wpabuf_alloc(2 + 1 + 1 + 1 + os_strlen(query
));
2274 wpabuf_put_le16(tlvs
, 1 + 1 + 1 + os_strlen(query
));
2275 wpabuf_put_u8(tlvs
, P2P_SERV_UPNP
); /* Service Protocol Type */
2276 wpabuf_put_u8(tlvs
, 1); /* Service Transaction ID */
2277 wpabuf_put_u8(tlvs
, version
);
2278 wpabuf_put_str(tlvs
, query
);
2279 ret
= wpas_p2p_sd_request(wpa_s
, dst
, tlvs
);
2285 #ifdef CONFIG_WIFI_DISPLAY
2287 static u64
wpas_p2p_sd_request_wfd(struct wpa_supplicant
*wpa_s
, const u8
*dst
,
2288 const struct wpabuf
*tlvs
)
2290 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
2292 return (uintptr_t) p2p_sd_request_wfd(wpa_s
->global
->p2p
, dst
, tlvs
);
2296 #define MAX_WFD_SD_SUBELEMS 20
2298 static void wfd_add_sd_req_role(struct wpabuf
*tlvs
, u8 id
, u8 role
,
2299 const char *subelems
)
2306 len
= wpabuf_put(tlvs
, 2);
2307 wpabuf_put_u8(tlvs
, P2P_SERV_WIFI_DISPLAY
); /* Service Protocol Type */
2308 wpabuf_put_u8(tlvs
, id
); /* Service Transaction ID */
2310 wpabuf_put_u8(tlvs
, role
);
2315 if (val
>= 0 && val
< 256) {
2316 wpabuf_put_u8(tlvs
, val
);
2318 if (count
== MAX_WFD_SD_SUBELEMS
)
2321 pos
= os_strchr(pos
+ 1, ',');
2327 WPA_PUT_LE16(len
, (u8
*) wpabuf_put(tlvs
, 0) - len
- 2);
2331 u64
wpas_p2p_sd_request_wifi_display(struct wpa_supplicant
*wpa_s
,
2332 const u8
*dst
, const char *role
)
2334 struct wpabuf
*tlvs
;
2336 const char *subelems
;
2339 subelems
= os_strchr(role
, ' ');
2340 if (subelems
== NULL
)
2344 tlvs
= wpabuf_alloc(4 * (2 + 1 + 1 + 1 + MAX_WFD_SD_SUBELEMS
));
2348 if (os_strstr(role
, "[source]"))
2349 wfd_add_sd_req_role(tlvs
, id
++, 0x00, subelems
);
2350 if (os_strstr(role
, "[pri-sink]"))
2351 wfd_add_sd_req_role(tlvs
, id
++, 0x01, subelems
);
2352 if (os_strstr(role
, "[sec-sink]"))
2353 wfd_add_sd_req_role(tlvs
, id
++, 0x02, subelems
);
2354 if (os_strstr(role
, "[source+sink]"))
2355 wfd_add_sd_req_role(tlvs
, id
++, 0x03, subelems
);
2357 ret
= wpas_p2p_sd_request_wfd(wpa_s
, dst
, tlvs
);
2362 #endif /* CONFIG_WIFI_DISPLAY */
2365 int wpas_p2p_sd_cancel_request(struct wpa_supplicant
*wpa_s
, u64 req
)
2367 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
2369 return p2p_sd_cancel_request(wpa_s
->global
->p2p
,
2370 (void *) (uintptr_t) req
);
2374 void wpas_p2p_sd_response(struct wpa_supplicant
*wpa_s
, int freq
,
2375 const u8
*dst
, u8 dialog_token
,
2376 const struct wpabuf
*resp_tlvs
)
2378 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
2380 p2p_sd_response(wpa_s
->global
->p2p
, freq
, dst
, dialog_token
,
2385 void wpas_p2p_sd_service_update(struct wpa_supplicant
*wpa_s
)
2387 if (wpa_s
->global
->p2p
)
2388 p2p_sd_service_update(wpa_s
->global
->p2p
);
2392 static void wpas_p2p_srv_bonjour_free(struct p2p_srv_bonjour
*bsrv
)
2394 dl_list_del(&bsrv
->list
);
2395 wpabuf_free(bsrv
->query
);
2396 wpabuf_free(bsrv
->resp
);
2401 static void wpas_p2p_srv_upnp_free(struct p2p_srv_upnp
*usrv
)
2403 dl_list_del(&usrv
->list
);
2404 os_free(usrv
->service
);
2409 void wpas_p2p_service_flush(struct wpa_supplicant
*wpa_s
)
2411 struct p2p_srv_bonjour
*bsrv
, *bn
;
2412 struct p2p_srv_upnp
*usrv
, *un
;
2414 dl_list_for_each_safe(bsrv
, bn
, &wpa_s
->global
->p2p_srv_bonjour
,
2415 struct p2p_srv_bonjour
, list
)
2416 wpas_p2p_srv_bonjour_free(bsrv
);
2418 dl_list_for_each_safe(usrv
, un
, &wpa_s
->global
->p2p_srv_upnp
,
2419 struct p2p_srv_upnp
, list
)
2420 wpas_p2p_srv_upnp_free(usrv
);
2422 wpas_p2p_sd_service_update(wpa_s
);
2426 int wpas_p2p_service_add_bonjour(struct wpa_supplicant
*wpa_s
,
2427 struct wpabuf
*query
, struct wpabuf
*resp
)
2429 struct p2p_srv_bonjour
*bsrv
;
2431 bsrv
= os_zalloc(sizeof(*bsrv
));
2434 bsrv
->query
= query
;
2436 dl_list_add(&wpa_s
->global
->p2p_srv_bonjour
, &bsrv
->list
);
2438 wpas_p2p_sd_service_update(wpa_s
);
2443 int wpas_p2p_service_del_bonjour(struct wpa_supplicant
*wpa_s
,
2444 const struct wpabuf
*query
)
2446 struct p2p_srv_bonjour
*bsrv
;
2448 bsrv
= wpas_p2p_service_get_bonjour(wpa_s
, query
);
2451 wpas_p2p_srv_bonjour_free(bsrv
);
2452 wpas_p2p_sd_service_update(wpa_s
);
2457 int wpas_p2p_service_add_upnp(struct wpa_supplicant
*wpa_s
, u8 version
,
2458 const char *service
)
2460 struct p2p_srv_upnp
*usrv
;
2462 if (wpas_p2p_service_get_upnp(wpa_s
, version
, service
))
2463 return 0; /* Already listed */
2464 usrv
= os_zalloc(sizeof(*usrv
));
2467 usrv
->version
= version
;
2468 usrv
->service
= os_strdup(service
);
2469 if (usrv
->service
== NULL
) {
2473 dl_list_add(&wpa_s
->global
->p2p_srv_upnp
, &usrv
->list
);
2475 wpas_p2p_sd_service_update(wpa_s
);
2480 int wpas_p2p_service_del_upnp(struct wpa_supplicant
*wpa_s
, u8 version
,
2481 const char *service
)
2483 struct p2p_srv_upnp
*usrv
;
2485 usrv
= wpas_p2p_service_get_upnp(wpa_s
, version
, service
);
2488 wpas_p2p_srv_upnp_free(usrv
);
2489 wpas_p2p_sd_service_update(wpa_s
);
2494 static void wpas_prov_disc_local_display(struct wpa_supplicant
*wpa_s
,
2495 const u8
*peer
, const char *params
,
2496 unsigned int generated_pin
)
2498 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_PROV_DISC_SHOW_PIN MACSTR
2499 " %08d%s", MAC2STR(peer
), generated_pin
, params
);
2503 static void wpas_prov_disc_local_keypad(struct wpa_supplicant
*wpa_s
,
2504 const u8
*peer
, const char *params
)
2506 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_PROV_DISC_ENTER_PIN MACSTR
2507 "%s", MAC2STR(peer
), params
);
2511 static void wpas_prov_disc_req(void *ctx
, const u8
*peer
, u16 config_methods
,
2512 const u8
*dev_addr
, const u8
*pri_dev_type
,
2513 const char *dev_name
, u16 supp_config_methods
,
2514 u8 dev_capab
, u8 group_capab
, const u8
*group_id
,
2515 size_t group_id_len
)
2517 struct wpa_supplicant
*wpa_s
= ctx
;
2518 char devtype
[WPS_DEV_TYPE_BUFSIZE
];
2520 u8 empty_dev_type
[8];
2521 unsigned int generated_pin
= 0;
2522 struct wpa_supplicant
*group
= NULL
;
2525 for (group
= wpa_s
->global
->ifaces
; group
; group
= group
->next
)
2527 struct wpa_ssid
*s
= group
->current_ssid
;
2529 s
->mode
== WPAS_MODE_P2P_GO
&&
2530 group_id_len
- ETH_ALEN
== s
->ssid_len
&&
2531 os_memcmp(group_id
+ ETH_ALEN
, s
->ssid
,
2537 if (pri_dev_type
== NULL
) {
2538 os_memset(empty_dev_type
, 0, sizeof(empty_dev_type
));
2539 pri_dev_type
= empty_dev_type
;
2541 os_snprintf(params
, sizeof(params
), " p2p_dev_addr=" MACSTR
2542 " pri_dev_type=%s name='%s' config_methods=0x%x "
2543 "dev_capab=0x%x group_capab=0x%x%s%s",
2545 wps_dev_type_bin2str(pri_dev_type
, devtype
,
2547 dev_name
, supp_config_methods
, dev_capab
, group_capab
,
2548 group
? " group=" : "",
2549 group
? group
->ifname
: "");
2550 params
[sizeof(params
) - 1] = '\0';
2552 if (config_methods
& WPS_CONFIG_DISPLAY
) {
2553 generated_pin
= wps_generate_pin();
2554 wpas_prov_disc_local_display(wpa_s
, peer
, params
,
2556 } else if (config_methods
& WPS_CONFIG_KEYPAD
)
2557 wpas_prov_disc_local_keypad(wpa_s
, peer
, params
);
2558 else if (config_methods
& WPS_CONFIG_PUSHBUTTON
)
2559 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_PROV_DISC_PBC_REQ
2560 MACSTR
"%s", MAC2STR(peer
), params
);
2562 wpas_notify_p2p_provision_discovery(wpa_s
, peer
, 1 /* request */,
2563 P2P_PROV_DISC_SUCCESS
,
2564 config_methods
, generated_pin
);
2568 static void wpas_prov_disc_resp(void *ctx
, const u8
*peer
, u16 config_methods
)
2570 struct wpa_supplicant
*wpa_s
= ctx
;
2571 unsigned int generated_pin
= 0;
2574 if (wpa_s
->pending_pd_before_join
&&
2575 (os_memcmp(peer
, wpa_s
->pending_join_dev_addr
, ETH_ALEN
) == 0 ||
2576 os_memcmp(peer
, wpa_s
->pending_join_iface_addr
, ETH_ALEN
) == 0)) {
2577 wpa_s
->pending_pd_before_join
= 0;
2578 wpa_printf(MSG_DEBUG
, "P2P: Starting pending "
2579 "join-existing-group operation");
2580 wpas_p2p_join_start(wpa_s
);
2584 if (wpa_s
->pending_pd_use
== AUTO_PD_JOIN
||
2585 wpa_s
->pending_pd_use
== AUTO_PD_GO_NEG
)
2586 os_snprintf(params
, sizeof(params
), " peer_go=%d",
2587 wpa_s
->pending_pd_use
== AUTO_PD_JOIN
);
2591 if (config_methods
& WPS_CONFIG_DISPLAY
)
2592 wpas_prov_disc_local_keypad(wpa_s
, peer
, params
);
2593 else if (config_methods
& WPS_CONFIG_KEYPAD
) {
2594 generated_pin
= wps_generate_pin();
2595 wpas_prov_disc_local_display(wpa_s
, peer
, params
,
2597 } else if (config_methods
& WPS_CONFIG_PUSHBUTTON
)
2598 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_PROV_DISC_PBC_RESP
2599 MACSTR
"%s", MAC2STR(peer
), params
);
2601 wpas_notify_p2p_provision_discovery(wpa_s
, peer
, 0 /* response */,
2602 P2P_PROV_DISC_SUCCESS
,
2603 config_methods
, generated_pin
);
2607 static void wpas_prov_disc_fail(void *ctx
, const u8
*peer
,
2608 enum p2p_prov_disc_status status
)
2610 struct wpa_supplicant
*wpa_s
= ctx
;
2612 if (wpa_s
->p2p_fallback_to_go_neg
) {
2613 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: PD for p2p_connect-auto "
2614 "failed - fall back to GO Negotiation");
2615 wpas_p2p_fallback_to_go_neg(wpa_s
, 0);
2619 if (status
== P2P_PROV_DISC_TIMEOUT_JOIN
) {
2620 wpa_s
->pending_pd_before_join
= 0;
2621 wpa_printf(MSG_DEBUG
, "P2P: Starting pending "
2622 "join-existing-group operation (no ACK for PD "
2624 wpas_p2p_join_start(wpa_s
);
2628 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_PROV_DISC_FAILURE
2629 " p2p_dev_addr=" MACSTR
" status=%d",
2630 MAC2STR(peer
), status
);
2632 wpas_notify_p2p_provision_discovery(wpa_s
, peer
, 0 /* response */,
2637 static int freq_included(const struct p2p_channels
*channels
, unsigned int freq
)
2639 if (channels
== NULL
)
2640 return 1; /* Assume no restrictions */
2641 return p2p_channels_includes_freq(channels
, freq
);
2646 static u8
wpas_invitation_process(void *ctx
, const u8
*sa
, const u8
*bssid
,
2647 const u8
*go_dev_addr
, const u8
*ssid
,
2648 size_t ssid_len
, int *go
, u8
*group_bssid
,
2649 int *force_freq
, int persistent_group
,
2650 const struct p2p_channels
*channels
)
2652 struct wpa_supplicant
*wpa_s
= ctx
;
2655 struct wpa_supplicant
*grp
;
2657 if (!persistent_group
) {
2658 wpa_printf(MSG_DEBUG
, "P2P: Invitation from " MACSTR
2659 " to join an active group", MAC2STR(sa
));
2660 if (!is_zero_ether_addr(wpa_s
->p2p_auth_invite
) &&
2661 (os_memcmp(go_dev_addr
, wpa_s
->p2p_auth_invite
, ETH_ALEN
)
2663 os_memcmp(sa
, wpa_s
->p2p_auth_invite
, ETH_ALEN
) == 0)) {
2664 wpa_printf(MSG_DEBUG
, "P2P: Accept previously "
2665 "authorized invitation");
2669 * Do not accept the invitation automatically; notify user and
2672 return P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE
;
2675 grp
= wpas_get_p2p_group(wpa_s
, ssid
, ssid_len
, go
);
2677 wpa_printf(MSG_DEBUG
, "P2P: Accept invitation to already "
2678 "running persistent group");
2680 os_memcpy(group_bssid
, grp
->own_addr
, ETH_ALEN
);
2684 if (!is_zero_ether_addr(wpa_s
->p2p_auth_invite
) &&
2685 os_memcmp(sa
, wpa_s
->p2p_auth_invite
, ETH_ALEN
) == 0) {
2686 wpa_printf(MSG_DEBUG
, "P2P: Accept previously initiated "
2687 "invitation to re-invoke a persistent group");
2688 } else if (!wpa_s
->conf
->persistent_reconnect
)
2689 return P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE
;
2691 for (s
= wpa_s
->conf
->ssid
; s
; s
= s
->next
) {
2692 if (s
->disabled
== 2 &&
2693 os_memcmp(s
->bssid
, go_dev_addr
, ETH_ALEN
) == 0 &&
2694 s
->ssid_len
== ssid_len
&&
2695 os_memcmp(ssid
, s
->ssid
, ssid_len
) == 0)
2700 wpa_printf(MSG_DEBUG
, "P2P: Invitation from " MACSTR
2701 " requested reinvocation of an unknown group",
2703 return P2P_SC_FAIL_UNKNOWN_GROUP
;
2706 if (s
->mode
== WPAS_MODE_P2P_GO
&& !wpas_p2p_create_iface(wpa_s
)) {
2708 if (wpa_s
->wpa_state
>= WPA_AUTHENTICATING
) {
2709 wpa_printf(MSG_DEBUG
, "P2P: The only available "
2710 "interface is already in use - reject "
2712 return P2P_SC_FAIL_UNABLE_TO_ACCOMMODATE
;
2714 os_memcpy(group_bssid
, wpa_s
->own_addr
, ETH_ALEN
);
2715 } else if (s
->mode
== WPAS_MODE_P2P_GO
) {
2717 if (wpas_p2p_add_group_interface(wpa_s
, WPA_IF_P2P_GO
) < 0)
2719 wpa_printf(MSG_ERROR
, "P2P: Failed to allocate a new "
2720 "interface address for the group");
2721 return P2P_SC_FAIL_UNABLE_TO_ACCOMMODATE
;
2723 os_memcpy(group_bssid
, wpa_s
->pending_interface_addr
,
2728 wpas_p2p_set_own_freq_preference(wpa_s
, 0);
2730 /* Get one of the frequencies currently in use */
2731 if (wpas_p2p_valid_oper_freqs(wpa_s
, &res
, 1) > 0) {
2732 wpa_printf(MSG_DEBUG
, "P2P: Trying to prefer a channel already used by one of the interfaces");
2733 wpas_p2p_set_own_freq_preference(wpa_s
, res
);
2735 if (wpa_s
->num_multichan_concurrent
< 2 ||
2736 wpas_p2p_num_unused_channels(wpa_s
) < 1) {
2737 wpa_printf(MSG_DEBUG
, "P2P: No extra channels available - trying to force channel to match a channel already used by one of the interfaces");
2742 if (*force_freq
> 0 && wpa_s
->num_multichan_concurrent
> 1 &&
2743 wpas_p2p_num_unused_channels(wpa_s
) > 0) {
2745 /* We are the client */
2746 wpa_printf(MSG_DEBUG
, "P2P: Peer was found to be "
2747 "running a GO but we are capable of MCC, "
2748 "figure out the best channel to use");
2750 } else if (!freq_included(channels
, *force_freq
)) {
2751 /* We are the GO, and *force_freq is not in the
2753 wpa_printf(MSG_DEBUG
, "P2P: Forced GO freq %d MHz not "
2754 "in intersection but we are capable of MCC, "
2755 "figure out the best channel to use",
2761 return P2P_SC_SUCCESS
;
2765 static void wpas_invitation_received(void *ctx
, const u8
*sa
, const u8
*bssid
,
2766 const u8
*ssid
, size_t ssid_len
,
2767 const u8
*go_dev_addr
, u8 status
,
2770 struct wpa_supplicant
*wpa_s
= ctx
;
2773 for (s
= wpa_s
->conf
->ssid
; s
; s
= s
->next
) {
2774 if (s
->disabled
== 2 &&
2775 s
->ssid_len
== ssid_len
&&
2776 os_memcmp(ssid
, s
->ssid
, ssid_len
) == 0)
2780 if (status
== P2P_SC_SUCCESS
) {
2781 wpa_printf(MSG_DEBUG
, "P2P: Invitation from peer " MACSTR
2782 " was accepted; op_freq=%d MHz",
2783 MAC2STR(sa
), op_freq
);
2785 int go
= s
->mode
== WPAS_MODE_P2P_GO
;
2786 wpas_p2p_group_add_persistent(
2787 wpa_s
, s
, go
, go
? op_freq
: 0, 0, 0, NULL
,
2788 go
? P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE
: 0);
2790 wpa_s
->user_initiated_pd
= 0;
2791 wpas_p2p_join(wpa_s
, bssid
, go_dev_addr
,
2792 wpa_s
->p2p_wps_method
, 0);
2797 if (status
!= P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE
) {
2798 wpa_printf(MSG_DEBUG
, "P2P: Invitation from peer " MACSTR
2799 " was rejected (status %u)", MAC2STR(sa
), status
);
2805 wpa_msg_global(wpa_s
, MSG_INFO
,
2806 P2P_EVENT_INVITATION_RECEIVED
2807 "sa=" MACSTR
" go_dev_addr=" MACSTR
2808 " bssid=" MACSTR
" unknown-network",
2809 MAC2STR(sa
), MAC2STR(go_dev_addr
),
2812 wpa_msg_global(wpa_s
, MSG_INFO
,
2813 P2P_EVENT_INVITATION_RECEIVED
2814 "sa=" MACSTR
" go_dev_addr=" MACSTR
2816 MAC2STR(sa
), MAC2STR(go_dev_addr
));
2821 if (s
->mode
== WPAS_MODE_P2P_GO
&& op_freq
) {
2822 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_INVITATION_RECEIVED
2823 "sa=" MACSTR
" persistent=%d freq=%d",
2824 MAC2STR(sa
), s
->id
, op_freq
);
2826 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_INVITATION_RECEIVED
2827 "sa=" MACSTR
" persistent=%d",
2828 MAC2STR(sa
), s
->id
);
2833 static void wpas_remove_persistent_peer(struct wpa_supplicant
*wpa_s
,
2834 struct wpa_ssid
*ssid
,
2835 const u8
*peer
, int inv
)
2842 for (i
= 0; ssid
->p2p_client_list
&& i
< ssid
->num_p2p_clients
; i
++) {
2843 if (os_memcmp(ssid
->p2p_client_list
+ i
* ETH_ALEN
, peer
,
2847 if (i
>= ssid
->num_p2p_clients
) {
2848 if (ssid
->mode
!= WPAS_MODE_P2P_GO
&&
2849 os_memcmp(ssid
->bssid
, peer
, ETH_ALEN
) == 0) {
2850 wpa_printf(MSG_DEBUG
, "P2P: Remove persistent group %d "
2851 "due to invitation result", ssid
->id
);
2852 wpas_notify_network_removed(wpa_s
, ssid
);
2853 wpa_config_remove_network(wpa_s
->conf
, ssid
->id
);
2856 return; /* Peer not found in client list */
2859 wpa_printf(MSG_DEBUG
, "P2P: Remove peer " MACSTR
" from persistent "
2860 "group %d client list%s",
2861 MAC2STR(peer
), ssid
->id
,
2862 inv
? " due to invitation result" : "");
2863 os_memmove(ssid
->p2p_client_list
+ i
* ETH_ALEN
,
2864 ssid
->p2p_client_list
+ (i
+ 1) * ETH_ALEN
,
2865 (ssid
->num_p2p_clients
- i
- 1) * ETH_ALEN
);
2866 ssid
->num_p2p_clients
--;
2867 #ifndef CONFIG_NO_CONFIG_WRITE
2868 if (wpa_s
->parent
->conf
->update_config
&&
2869 wpa_config_write(wpa_s
->parent
->confname
, wpa_s
->parent
->conf
))
2870 wpa_printf(MSG_DEBUG
, "P2P: Failed to update configuration");
2871 #endif /* CONFIG_NO_CONFIG_WRITE */
2875 static void wpas_remove_persistent_client(struct wpa_supplicant
*wpa_s
,
2878 struct wpa_ssid
*ssid
;
2880 wpa_s
= wpa_s
->global
->p2p_invite_group
;
2882 return; /* No known invitation group */
2883 ssid
= wpa_s
->current_ssid
;
2884 if (ssid
== NULL
|| ssid
->mode
!= WPAS_MODE_P2P_GO
||
2885 !ssid
->p2p_persistent_group
)
2886 return; /* Not operating as a GO in persistent group */
2887 ssid
= wpas_p2p_get_persistent(wpa_s
->parent
, peer
,
2888 ssid
->ssid
, ssid
->ssid_len
);
2889 wpas_remove_persistent_peer(wpa_s
, ssid
, peer
, 1);
2893 static void wpas_invitation_result(void *ctx
, int status
, const u8
*bssid
,
2894 const struct p2p_channels
*channels
,
2895 const u8
*peer
, int neg_freq
)
2897 struct wpa_supplicant
*wpa_s
= ctx
;
2898 struct wpa_ssid
*ssid
;
2902 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_INVITATION_RESULT
2903 "status=%d " MACSTR
,
2904 status
, MAC2STR(bssid
));
2906 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_INVITATION_RESULT
2907 "status=%d ", status
);
2909 wpas_notify_p2p_invitation_result(wpa_s
, status
, bssid
);
2911 wpa_printf(MSG_DEBUG
, "P2P: Invitation result - status=%d peer=" MACSTR
,
2912 status
, MAC2STR(peer
));
2913 if (wpa_s
->pending_invite_ssid_id
== -1) {
2914 if (status
== P2P_SC_FAIL_UNKNOWN_GROUP
)
2915 wpas_remove_persistent_client(wpa_s
, peer
);
2916 return; /* Invitation to active group */
2919 if (status
== P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE
) {
2920 wpa_printf(MSG_DEBUG
, "P2P: Waiting for peer to start another "
2921 "invitation exchange to indicate readiness for "
2925 if (status
!= P2P_SC_SUCCESS
) {
2926 if (status
== P2P_SC_FAIL_UNKNOWN_GROUP
) {
2927 ssid
= wpa_config_get_network(
2928 wpa_s
->conf
, wpa_s
->pending_invite_ssid_id
);
2929 wpas_remove_persistent_peer(wpa_s
, ssid
, peer
, 1);
2931 wpas_p2p_remove_pending_group_interface(wpa_s
);
2935 ssid
= wpa_config_get_network(wpa_s
->conf
,
2936 wpa_s
->pending_invite_ssid_id
);
2938 wpa_printf(MSG_ERROR
, "P2P: Could not find persistent group "
2939 "data matching with invitation");
2944 * The peer could have missed our ctrl::ack frame for Invitation
2945 * Response and continue retransmitting the frame. To reduce the
2946 * likelihood of the peer not getting successful TX status for the
2947 * Invitation Response frame, wait a short time here before starting
2948 * the persistent group so that we will remain on the current channel to
2949 * acknowledge any possible retransmission from the peer.
2951 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: 50 ms wait on current channel before "
2952 "starting persistent group");
2955 freq
= wpa_s
->p2p_persistent_go_freq
;
2956 if (neg_freq
> 0 && ssid
->mode
== WPAS_MODE_P2P_GO
&&
2957 freq_included(channels
, neg_freq
)) {
2958 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Use frequence %d MHz from invitation for GO mode",
2963 wpas_p2p_group_add_persistent(wpa_s
, ssid
,
2964 ssid
->mode
== WPAS_MODE_P2P_GO
,
2966 wpa_s
->p2p_go_ht40
, wpa_s
->p2p_go_vht
,
2968 ssid
->mode
== WPAS_MODE_P2P_GO
?
2969 P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE
:
2974 static int wpas_p2p_disallowed_freq(struct wpa_global
*global
,
2977 return freq_range_list_includes(&global
->p2p_disallow_freq
, freq
);
2981 static void wpas_p2p_add_chan(struct p2p_reg_class
*reg
, u8 chan
)
2983 reg
->channel
[reg
->channels
] = chan
;
2988 static int wpas_p2p_default_channels(struct wpa_supplicant
*wpa_s
,
2989 struct p2p_channels
*chan
,
2990 struct p2p_channels
*cli_chan
)
2994 os_memset(cli_chan
, 0, sizeof(*cli_chan
));
2996 wpa_printf(MSG_DEBUG
, "P2P: Enable operating classes for 2.4 GHz "
2999 /* Operating class 81 - 2.4 GHz band channels 1..13 */
3000 chan
->reg_class
[cla
].reg_class
= 81;
3001 chan
->reg_class
[cla
].channels
= 0;
3002 for (i
= 0; i
< 11; i
++) {
3003 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 2412 + i
* 5))
3004 wpas_p2p_add_chan(&chan
->reg_class
[cla
], i
+ 1);
3006 if (chan
->reg_class
[cla
].channels
)
3009 wpa_printf(MSG_DEBUG
, "P2P: Enable operating classes for lower 5 GHz "
3012 /* Operating class 115 - 5 GHz, channels 36-48 */
3013 chan
->reg_class
[cla
].reg_class
= 115;
3014 chan
->reg_class
[cla
].channels
= 0;
3015 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 5000 + 36 * 5))
3016 wpas_p2p_add_chan(&chan
->reg_class
[cla
], 36);
3017 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 5000 + 40 * 5))
3018 wpas_p2p_add_chan(&chan
->reg_class
[cla
], 40);
3019 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 5000 + 44 * 5))
3020 wpas_p2p_add_chan(&chan
->reg_class
[cla
], 44);
3021 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 5000 + 48 * 5))
3022 wpas_p2p_add_chan(&chan
->reg_class
[cla
], 48);
3023 if (chan
->reg_class
[cla
].channels
)
3026 wpa_printf(MSG_DEBUG
, "P2P: Enable operating classes for higher 5 GHz "
3029 /* Operating class 124 - 5 GHz, channels 149,153,157,161 */
3030 chan
->reg_class
[cla
].reg_class
= 124;
3031 chan
->reg_class
[cla
].channels
= 0;
3032 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 5000 + 149 * 5))
3033 wpas_p2p_add_chan(&chan
->reg_class
[cla
], 149);
3034 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 5000 + 153 * 5))
3035 wpas_p2p_add_chan(&chan
->reg_class
[cla
], 153);
3036 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 5000 + 156 * 5))
3037 wpas_p2p_add_chan(&chan
->reg_class
[cla
], 157);
3038 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 5000 + 161 * 5))
3039 wpas_p2p_add_chan(&chan
->reg_class
[cla
], 161);
3040 if (chan
->reg_class
[cla
].channels
)
3043 chan
->reg_classes
= cla
;
3048 static struct hostapd_hw_modes
* get_mode(struct hostapd_hw_modes
*modes
,
3050 enum hostapd_hw_mode mode
)
3054 for (i
= 0; i
< num_modes
; i
++) {
3055 if (modes
[i
].mode
== mode
)
3064 NOT_ALLOWED
, PASSIVE_ONLY
, ALLOWED
3067 static int has_channel(struct wpa_global
*global
,
3068 struct hostapd_hw_modes
*mode
, u8 chan
, int *flags
)
3073 freq
= (mode
->mode
== HOSTAPD_MODE_IEEE80211A
? 5000 : 2407) +
3075 if (wpas_p2p_disallowed_freq(global
, freq
))
3078 for (i
= 0; i
< mode
->num_channels
; i
++) {
3079 if (mode
->channels
[i
].chan
== chan
) {
3081 *flags
= mode
->channels
[i
].flag
;
3082 if (mode
->channels
[i
].flag
&
3083 (HOSTAPD_CHAN_DISABLED
|
3084 HOSTAPD_CHAN_RADAR
))
3086 if (mode
->channels
[i
].flag
&
3087 (HOSTAPD_CHAN_PASSIVE_SCAN
|
3088 HOSTAPD_CHAN_NO_IBSS
))
3089 return PASSIVE_ONLY
;
3098 struct p2p_oper_class_map
{
3099 enum hostapd_hw_mode mode
;
3104 enum { BW20
, BW40PLUS
, BW40MINUS
, BW80
} bw
;
3107 static struct p2p_oper_class_map op_class
[] = {
3108 { HOSTAPD_MODE_IEEE80211G
, 81, 1, 13, 1, BW20
},
3109 #if 0 /* Do not enable HT40 on 2 GHz for now */
3110 { HOSTAPD_MODE_IEEE80211G
, 83, 1, 9, 1, BW40PLUS
},
3111 { HOSTAPD_MODE_IEEE80211G
, 84, 5, 13, 1, BW40MINUS
},
3113 { HOSTAPD_MODE_IEEE80211A
, 115, 36, 48, 4, BW20
},
3114 { HOSTAPD_MODE_IEEE80211A
, 124, 149, 161, 4, BW20
},
3115 { HOSTAPD_MODE_IEEE80211A
, 116, 36, 44, 8, BW40PLUS
},
3116 { HOSTAPD_MODE_IEEE80211A
, 117, 40, 48, 8, BW40MINUS
},
3117 { HOSTAPD_MODE_IEEE80211A
, 126, 149, 157, 8, BW40PLUS
},
3118 { HOSTAPD_MODE_IEEE80211A
, 127, 153, 161, 8, BW40MINUS
},
3121 * IEEE P802.11ac/D7.0 Table E-4 actually talks about channel center
3122 * frequency index 42, 58, 106, 122, 138, 155 with channel spacing of
3123 * 80 MHz, but currently use the following definition for simplicity
3124 * (these center frequencies are not actual channels, which makes
3125 * has_channel() fail). wpas_p2p_verify_80mhz() should take care of
3126 * removing invalid channels.
3128 { HOSTAPD_MODE_IEEE80211A
, 128, 36, 161, 4, BW80
},
3129 { -1, 0, 0, 0, 0, BW20
}
3133 static int wpas_p2p_get_center_80mhz(struct wpa_supplicant
*wpa_s
,
3134 struct hostapd_hw_modes
*mode
,
3137 u8 center_channels
[] = { 42, 58, 106, 122, 138, 155 };
3140 if (mode
->mode
!= HOSTAPD_MODE_IEEE80211A
)
3143 for (i
= 0; i
< ARRAY_SIZE(center_channels
); i
++)
3145 * In 80 MHz, the bandwidth "spans" 12 channels (e.g., 36-48),
3146 * so the center channel is 6 channels away from the start/end.
3148 if (channel
>= center_channels
[i
] - 6 &&
3149 channel
<= center_channels
[i
] + 6)
3150 return center_channels
[i
];
3156 static enum chan_allowed
wpas_p2p_verify_80mhz(struct wpa_supplicant
*wpa_s
,
3157 struct hostapd_hw_modes
*mode
,
3162 enum chan_allowed res
, ret
= ALLOWED
;
3164 center_chan
= wpas_p2p_get_center_80mhz(wpa_s
, mode
, channel
);
3167 if (center_chan
>= 58 && center_chan
<= 138)
3168 return NOT_ALLOWED
; /* Do not allow DFS channels for P2P */
3170 /* check all the channels are available */
3171 for (i
= 0; i
< 4; i
++) {
3172 int adj_chan
= center_chan
- 6 + i
* 4;
3174 res
= has_channel(wpa_s
->global
, mode
, adj_chan
, &flags
);
3175 if (res
== NOT_ALLOWED
)
3177 if (res
== PASSIVE_ONLY
)
3180 if (i
== 0 && !(flags
& HOSTAPD_CHAN_VHT_10_70
))
3182 if (i
== 1 && !(flags
& HOSTAPD_CHAN_VHT_30_50
))
3184 if (i
== 2 && !(flags
& HOSTAPD_CHAN_VHT_50_30
))
3186 if (i
== 3 && !(flags
& HOSTAPD_CHAN_VHT_70_10
))
3194 static enum chan_allowed
wpas_p2p_verify_channel(struct wpa_supplicant
*wpa_s
,
3195 struct hostapd_hw_modes
*mode
,
3199 enum chan_allowed res
, res2
;
3201 res2
= res
= has_channel(wpa_s
->global
, mode
, channel
, &flag
);
3202 if (bw
== BW40MINUS
) {
3203 if (!(flag
& HOSTAPD_CHAN_HT40MINUS
))
3205 res2
= has_channel(wpa_s
->global
, mode
, channel
- 4, NULL
);
3206 } else if (bw
== BW40PLUS
) {
3207 if (!(flag
& HOSTAPD_CHAN_HT40PLUS
))
3209 res2
= has_channel(wpa_s
->global
, mode
, channel
+ 4, NULL
);
3210 } else if (bw
== BW80
) {
3211 res2
= wpas_p2p_verify_80mhz(wpa_s
, mode
, channel
, bw
);
3214 if (res
== NOT_ALLOWED
|| res2
== NOT_ALLOWED
)
3216 if (res
== PASSIVE_ONLY
|| res2
== PASSIVE_ONLY
)
3217 return PASSIVE_ONLY
;
3222 static int wpas_p2p_setup_channels(struct wpa_supplicant
*wpa_s
,
3223 struct p2p_channels
*chan
,
3224 struct p2p_channels
*cli_chan
)
3226 struct hostapd_hw_modes
*mode
;
3227 int cla
, op
, cli_cla
;
3229 if (wpa_s
->hw
.modes
== NULL
) {
3230 wpa_printf(MSG_DEBUG
, "P2P: Driver did not support fetching "
3231 "of all supported channels; assume dualband "
3233 return wpas_p2p_default_channels(wpa_s
, chan
, cli_chan
);
3238 for (op
= 0; op_class
[op
].op_class
; op
++) {
3239 struct p2p_oper_class_map
*o
= &op_class
[op
];
3241 struct p2p_reg_class
*reg
= NULL
, *cli_reg
= NULL
;
3243 mode
= get_mode(wpa_s
->hw
.modes
, wpa_s
->hw
.num_modes
, o
->mode
);
3246 for (ch
= o
->min_chan
; ch
<= o
->max_chan
; ch
+= o
->inc
) {
3247 enum chan_allowed res
;
3248 res
= wpas_p2p_verify_channel(wpa_s
, mode
, ch
, o
->bw
);
3249 if (res
== ALLOWED
) {
3251 wpa_printf(MSG_DEBUG
, "P2P: Add operating class %u",
3253 reg
= &chan
->reg_class
[cla
];
3255 reg
->reg_class
= o
->op_class
;
3257 reg
->channel
[reg
->channels
] = ch
;
3259 } else if (res
== PASSIVE_ONLY
&&
3260 wpa_s
->conf
->p2p_add_cli_chan
) {
3261 if (cli_reg
== NULL
) {
3262 wpa_printf(MSG_DEBUG
, "P2P: Add operating class %u (client only)",
3264 cli_reg
= &cli_chan
->reg_class
[cli_cla
];
3266 cli_reg
->reg_class
= o
->op_class
;
3268 cli_reg
->channel
[cli_reg
->channels
] = ch
;
3269 cli_reg
->channels
++;
3273 wpa_hexdump(MSG_DEBUG
, "P2P: Channels",
3274 reg
->channel
, reg
->channels
);
3277 wpa_hexdump(MSG_DEBUG
, "P2P: Channels (client only)",
3278 cli_reg
->channel
, cli_reg
->channels
);
3282 chan
->reg_classes
= cla
;
3283 cli_chan
->reg_classes
= cli_cla
;
3289 int wpas_p2p_get_ht40_mode(struct wpa_supplicant
*wpa_s
,
3290 struct hostapd_hw_modes
*mode
, u8 channel
)
3293 enum chan_allowed ret
;
3295 for (op
= 0; op_class
[op
].op_class
; op
++) {
3296 struct p2p_oper_class_map
*o
= &op_class
[op
];
3299 for (ch
= o
->min_chan
; ch
<= o
->max_chan
; ch
+= o
->inc
) {
3300 if (o
->mode
!= HOSTAPD_MODE_IEEE80211A
||
3301 o
->bw
== BW20
|| ch
!= channel
)
3303 ret
= wpas_p2p_verify_channel(wpa_s
, mode
, ch
, o
->bw
);
3305 return (o
->bw
== BW40MINUS
) ? -1 : 1;
3312 int wpas_p2p_get_vht80_center(struct wpa_supplicant
*wpa_s
,
3313 struct hostapd_hw_modes
*mode
, u8 channel
)
3315 if (!wpas_p2p_verify_channel(wpa_s
, mode
, channel
, BW80
))
3318 return wpas_p2p_get_center_80mhz(wpa_s
, mode
, channel
);
3322 static int wpas_get_noa(void *ctx
, const u8
*interface_addr
, u8
*buf
,
3325 struct wpa_supplicant
*wpa_s
= ctx
;
3327 for (wpa_s
= wpa_s
->global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
3328 if (os_memcmp(wpa_s
->own_addr
, interface_addr
, ETH_ALEN
) == 0)
3334 return wpa_drv_get_noa(wpa_s
, buf
, buf_len
);
3338 static int wpas_go_connected(void *ctx
, const u8
*dev_addr
)
3340 struct wpa_supplicant
*wpa_s
= ctx
;
3342 for (wpa_s
= wpa_s
->global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
3343 struct wpa_ssid
*ssid
= wpa_s
->current_ssid
;
3346 if (ssid
->mode
!= WPAS_MODE_INFRA
)
3348 if (wpa_s
->wpa_state
!= WPA_COMPLETED
&&
3349 wpa_s
->wpa_state
!= WPA_GROUP_HANDSHAKE
)
3351 if (os_memcmp(wpa_s
->go_dev_addr
, dev_addr
, ETH_ALEN
) == 0)
3359 static void wpas_p2p_debug_print(void *ctx
, int level
, const char *msg
)
3361 struct wpa_supplicant
*wpa_s
= ctx
;
3362 wpa_msg_global(wpa_s
, level
, "P2P: %s", msg
);
3366 int wpas_p2p_add_p2pdev_interface(struct wpa_supplicant
*wpa_s
)
3368 struct wpa_interface iface
;
3369 struct wpa_supplicant
*p2pdev_wpa_s
;
3371 char force_name
[100];
3374 os_snprintf(ifname
, sizeof(ifname
), P2P_MGMT_DEVICE_PREFIX
"%s",
3376 force_name
[0] = '\0';
3377 wpa_s
->pending_interface_type
= WPA_IF_P2P_DEVICE
;
3378 ret
= wpa_drv_if_add(wpa_s
, WPA_IF_P2P_DEVICE
, ifname
, NULL
, NULL
,
3379 force_name
, wpa_s
->pending_interface_addr
, NULL
);
3381 wpa_printf(MSG_DEBUG
, "P2P: Failed to create P2P Device interface");
3384 os_strlcpy(wpa_s
->pending_interface_name
, ifname
,
3385 sizeof(wpa_s
->pending_interface_name
));
3387 os_memset(&iface
, 0, sizeof(iface
));
3389 iface
.ifname
= wpa_s
->pending_interface_name
;
3390 iface
.driver
= wpa_s
->driver
->name
;
3391 iface
.driver_param
= wpa_s
->conf
->driver_param
;
3392 iface
.confname
= wpa_s
->confname
;
3393 p2pdev_wpa_s
= wpa_supplicant_add_iface(wpa_s
->global
, &iface
);
3394 if (!p2pdev_wpa_s
) {
3395 wpa_printf(MSG_DEBUG
, "P2P: Failed to add P2P Device interface");
3398 p2pdev_wpa_s
->parent
= wpa_s
;
3400 wpa_s
->pending_interface_name
[0] = '\0';
3405 static void wpas_presence_resp(void *ctx
, const u8
*src
, u8 status
,
3406 const u8
*noa
, size_t noa_len
)
3408 struct wpa_supplicant
*wpa_s
, *intf
= ctx
;
3411 for (wpa_s
= intf
->global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
3412 if (wpa_s
->waiting_presence_resp
)
3416 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: No group interface was waiting for presence response");
3419 wpa_s
->waiting_presence_resp
= 0;
3421 wpa_snprintf_hex(hex
, sizeof(hex
), noa
, noa_len
);
3422 wpa_msg(wpa_s
, MSG_INFO
, P2P_EVENT_PRESENCE_RESPONSE
"src=" MACSTR
3423 " status=%u noa=%s", MAC2STR(src
), status
, hex
);
3428 * wpas_p2p_init - Initialize P2P module for %wpa_supplicant
3429 * @global: Pointer to global data from wpa_supplicant_init()
3430 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
3431 * Returns: 0 on success, -1 on failure
3433 int wpas_p2p_init(struct wpa_global
*global
, struct wpa_supplicant
*wpa_s
)
3435 struct p2p_config p2p
;
3439 if (wpa_s
->conf
->p2p_disabled
)
3442 if (!(wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_P2P_CAPABLE
))
3448 os_memset(&p2p
, 0, sizeof(p2p
));
3450 p2p
.debug_print
= wpas_p2p_debug_print
;
3451 p2p
.p2p_scan
= wpas_p2p_scan
;
3452 p2p
.send_action
= wpas_send_action
;
3453 p2p
.send_action_done
= wpas_send_action_done
;
3454 p2p
.go_neg_completed
= wpas_go_neg_completed
;
3455 p2p
.go_neg_req_rx
= wpas_go_neg_req_rx
;
3456 p2p
.dev_found
= wpas_dev_found
;
3457 p2p
.dev_lost
= wpas_dev_lost
;
3458 p2p
.find_stopped
= wpas_find_stopped
;
3459 p2p
.start_listen
= wpas_start_listen
;
3460 p2p
.stop_listen
= wpas_stop_listen
;
3461 p2p
.send_probe_resp
= wpas_send_probe_resp
;
3462 p2p
.sd_request
= wpas_sd_request
;
3463 p2p
.sd_response
= wpas_sd_response
;
3464 p2p
.prov_disc_req
= wpas_prov_disc_req
;
3465 p2p
.prov_disc_resp
= wpas_prov_disc_resp
;
3466 p2p
.prov_disc_fail
= wpas_prov_disc_fail
;
3467 p2p
.invitation_process
= wpas_invitation_process
;
3468 p2p
.invitation_received
= wpas_invitation_received
;
3469 p2p
.invitation_result
= wpas_invitation_result
;
3470 p2p
.get_noa
= wpas_get_noa
;
3471 p2p
.go_connected
= wpas_go_connected
;
3472 p2p
.presence_resp
= wpas_presence_resp
;
3474 os_memcpy(wpa_s
->global
->p2p_dev_addr
, wpa_s
->own_addr
, ETH_ALEN
);
3475 os_memcpy(p2p
.dev_addr
, wpa_s
->global
->p2p_dev_addr
, ETH_ALEN
);
3476 p2p
.dev_name
= wpa_s
->conf
->device_name
;
3477 p2p
.manufacturer
= wpa_s
->conf
->manufacturer
;
3478 p2p
.model_name
= wpa_s
->conf
->model_name
;
3479 p2p
.model_number
= wpa_s
->conf
->model_number
;
3480 p2p
.serial_number
= wpa_s
->conf
->serial_number
;
3482 os_memcpy(p2p
.uuid
, wpa_s
->wps
->uuid
, 16);
3483 p2p
.config_methods
= wpa_s
->wps
->config_methods
;
3486 if (wpa_s
->conf
->p2p_listen_reg_class
&&
3487 wpa_s
->conf
->p2p_listen_channel
) {
3488 p2p
.reg_class
= wpa_s
->conf
->p2p_listen_reg_class
;
3489 p2p
.channel
= wpa_s
->conf
->p2p_listen_channel
;
3493 * Pick one of the social channels randomly as the listen
3496 os_get_random((u8
*) &r
, sizeof(r
));
3497 p2p
.channel
= 1 + (r
% 3) * 5;
3499 wpa_printf(MSG_DEBUG
, "P2P: Own listen channel: %d", p2p
.channel
);
3501 if (wpa_s
->conf
->p2p_oper_reg_class
&&
3502 wpa_s
->conf
->p2p_oper_channel
) {
3503 p2p
.op_reg_class
= wpa_s
->conf
->p2p_oper_reg_class
;
3504 p2p
.op_channel
= wpa_s
->conf
->p2p_oper_channel
;
3505 p2p
.cfg_op_channel
= 1;
3506 wpa_printf(MSG_DEBUG
, "P2P: Configured operating channel: "
3507 "%d:%d", p2p
.op_reg_class
, p2p
.op_channel
);
3510 p2p
.op_reg_class
= 81;
3512 * Use random operation channel from (1, 6, 11) if no other
3513 * preference is indicated.
3515 os_get_random((u8
*) &r
, sizeof(r
));
3516 p2p
.op_channel
= 1 + (r
% 3) * 5;
3517 p2p
.cfg_op_channel
= 0;
3518 wpa_printf(MSG_DEBUG
, "P2P: Random operating channel: "
3519 "%d:%d", p2p
.op_reg_class
, p2p
.op_channel
);
3522 if (wpa_s
->conf
->p2p_pref_chan
&& wpa_s
->conf
->num_p2p_pref_chan
) {
3523 p2p
.pref_chan
= wpa_s
->conf
->p2p_pref_chan
;
3524 p2p
.num_pref_chan
= wpa_s
->conf
->num_p2p_pref_chan
;
3527 if (wpa_s
->conf
->country
[0] && wpa_s
->conf
->country
[1]) {
3528 os_memcpy(p2p
.country
, wpa_s
->conf
->country
, 2);
3529 p2p
.country
[2] = 0x04;
3531 os_memcpy(p2p
.country
, "XX\x04", 3);
3533 if (wpas_p2p_setup_channels(wpa_s
, &p2p
.channels
, &p2p
.cli_channels
)) {
3534 wpa_printf(MSG_ERROR
, "P2P: Failed to configure supported "
3539 os_memcpy(p2p
.pri_dev_type
, wpa_s
->conf
->device_type
,
3542 p2p
.num_sec_dev_types
= wpa_s
->conf
->num_sec_device_types
;
3543 os_memcpy(p2p
.sec_dev_type
, wpa_s
->conf
->sec_device_type
,
3544 p2p
.num_sec_dev_types
* WPS_DEV_TYPE_LEN
);
3546 p2p
.concurrent_operations
= !!(wpa_s
->drv_flags
&
3547 WPA_DRIVER_FLAGS_P2P_CONCURRENT
);
3549 p2p
.max_peers
= 100;
3551 if (wpa_s
->conf
->p2p_ssid_postfix
) {
3552 p2p
.ssid_postfix_len
=
3553 os_strlen(wpa_s
->conf
->p2p_ssid_postfix
);
3554 if (p2p
.ssid_postfix_len
> sizeof(p2p
.ssid_postfix
))
3555 p2p
.ssid_postfix_len
= sizeof(p2p
.ssid_postfix
);
3556 os_memcpy(p2p
.ssid_postfix
, wpa_s
->conf
->p2p_ssid_postfix
,
3557 p2p
.ssid_postfix_len
);
3560 p2p
.p2p_intra_bss
= wpa_s
->conf
->p2p_intra_bss
;
3562 p2p
.max_listen
= wpa_s
->max_remain_on_chan
;
3564 global
->p2p
= p2p_init(&p2p
);
3565 if (global
->p2p
== NULL
)
3567 global
->p2p_init_wpa_s
= wpa_s
;
3569 for (i
= 0; i
< MAX_WPS_VENDOR_EXT
; i
++) {
3570 if (wpa_s
->conf
->wps_vendor_ext
[i
] == NULL
)
3572 p2p_add_wps_vendor_extension(
3573 global
->p2p
, wpa_s
->conf
->wps_vendor_ext
[i
]);
3576 p2p_set_no_go_freq(global
->p2p
, &wpa_s
->conf
->p2p_no_go_freq
);
3583 * wpas_p2p_deinit - Deinitialize per-interface P2P data
3584 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
3586 * This function deinitialize per-interface P2P data.
3588 void wpas_p2p_deinit(struct wpa_supplicant
*wpa_s
)
3590 if (wpa_s
->driver
&& wpa_s
->drv_priv
)
3591 wpa_drv_probe_req_report(wpa_s
, 0);
3593 if (wpa_s
->go_params
) {
3594 /* Clear any stored provisioning info */
3595 p2p_clear_provisioning_info(
3597 wpa_s
->go_params
->peer_device_addr
);
3600 os_free(wpa_s
->go_params
);
3601 wpa_s
->go_params
= NULL
;
3602 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
, wpa_s
, NULL
);
3603 eloop_cancel_timeout(wpas_p2p_join_scan
, wpa_s
, NULL
);
3604 wpa_s
->p2p_long_listen
= 0;
3605 eloop_cancel_timeout(wpas_p2p_long_listen_timeout
, wpa_s
, NULL
);
3606 eloop_cancel_timeout(wpas_p2p_group_idle_timeout
, wpa_s
, NULL
);
3607 wpas_p2p_remove_pending_group_interface(wpa_s
);
3608 eloop_cancel_timeout(wpas_p2p_group_freq_conflict
, wpa_s
, NULL
);
3610 /* TODO: remove group interface from the driver if this wpa_s instance
3611 * is on top of a P2P group interface */
3616 * wpas_p2p_deinit_global - Deinitialize global P2P module
3617 * @global: Pointer to global data from wpa_supplicant_init()
3619 * This function deinitializes the global (per device) P2P module.
3621 void wpas_p2p_deinit_global(struct wpa_global
*global
)
3623 struct wpa_supplicant
*wpa_s
, *tmp
;
3625 wpa_s
= global
->ifaces
;
3627 wpas_p2p_service_flush(wpa_s
);
3629 if (global
->p2p
== NULL
)
3632 /* Remove remaining P2P group interfaces */
3633 while (wpa_s
&& wpa_s
->p2p_group_interface
!= NOT_P2P_GROUP_INTERFACE
)
3634 wpa_s
= wpa_s
->next
;
3636 tmp
= global
->ifaces
;
3639 tmp
->p2p_group_interface
== NOT_P2P_GROUP_INTERFACE
)) {
3644 /* Disconnect from the P2P group and deinit the interface */
3645 wpas_p2p_disconnect(tmp
);
3649 * Deinit GO data on any possibly remaining interface (if main
3650 * interface is used as GO).
3652 for (wpa_s
= global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
3653 if (wpa_s
->ap_iface
)
3654 wpas_p2p_group_deinit(wpa_s
);
3657 p2p_deinit(global
->p2p
);
3659 global
->p2p_init_wpa_s
= NULL
;
3663 static int wpas_p2p_create_iface(struct wpa_supplicant
*wpa_s
)
3665 if (!(wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE
) &&
3666 wpa_s
->conf
->p2p_no_group_iface
)
3667 return 0; /* separate interface disabled per configuration */
3668 if (wpa_s
->drv_flags
&
3669 (WPA_DRIVER_FLAGS_P2P_DEDICATED_INTERFACE
|
3670 WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P
))
3671 return 1; /* P2P group requires a new interface in every case
3673 if (!(wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_P2P_CONCURRENT
))
3674 return 0; /* driver does not support concurrent operations */
3675 if (wpa_s
->global
->ifaces
->next
)
3676 return 1; /* more that one interface already in use */
3677 if (wpa_s
->wpa_state
>= WPA_AUTHENTICATING
)
3678 return 1; /* this interface is already in use */
3683 static int wpas_p2p_start_go_neg(struct wpa_supplicant
*wpa_s
,
3684 const u8
*peer_addr
,
3685 enum p2p_wps_method wps_method
,
3686 int go_intent
, const u8
*own_interface_addr
,
3687 unsigned int force_freq
, int persistent_group
,
3688 struct wpa_ssid
*ssid
, unsigned int pref_freq
)
3690 if (persistent_group
&& wpa_s
->conf
->persistent_reconnect
)
3691 persistent_group
= 2;
3694 * Increase GO config timeout if HT40 is used since it takes some time
3695 * to scan channels for coex purposes before the BSS can be started.
3697 p2p_set_config_timeout(wpa_s
->global
->p2p
,
3698 wpa_s
->p2p_go_ht40
? 255 : 100, 20);
3700 return p2p_connect(wpa_s
->global
->p2p
, peer_addr
, wps_method
,
3701 go_intent
, own_interface_addr
, force_freq
,
3702 persistent_group
, ssid
? ssid
->ssid
: NULL
,
3703 ssid
? ssid
->ssid_len
: 0,
3704 wpa_s
->p2p_pd_before_go_neg
, pref_freq
);
3708 static int wpas_p2p_auth_go_neg(struct wpa_supplicant
*wpa_s
,
3709 const u8
*peer_addr
,
3710 enum p2p_wps_method wps_method
,
3711 int go_intent
, const u8
*own_interface_addr
,
3712 unsigned int force_freq
, int persistent_group
,
3713 struct wpa_ssid
*ssid
, unsigned int pref_freq
)
3715 if (persistent_group
&& wpa_s
->conf
->persistent_reconnect
)
3716 persistent_group
= 2;
3718 return p2p_authorize(wpa_s
->global
->p2p
, peer_addr
, wps_method
,
3719 go_intent
, own_interface_addr
, force_freq
,
3720 persistent_group
, ssid
? ssid
->ssid
: NULL
,
3721 ssid
? ssid
->ssid_len
: 0, pref_freq
);
3725 static void wpas_p2p_check_join_scan_limit(struct wpa_supplicant
*wpa_s
)
3727 wpa_s
->p2p_join_scan_count
++;
3728 wpa_printf(MSG_DEBUG
, "P2P: Join scan attempt %d",
3729 wpa_s
->p2p_join_scan_count
);
3730 if (wpa_s
->p2p_join_scan_count
> P2P_MAX_JOIN_SCAN_ATTEMPTS
) {
3731 wpa_printf(MSG_DEBUG
, "P2P: Failed to find GO " MACSTR
3732 " for join operationg - stop join attempt",
3733 MAC2STR(wpa_s
->pending_join_iface_addr
));
3734 eloop_cancel_timeout(wpas_p2p_join_scan
, wpa_s
, NULL
);
3735 if (wpa_s
->p2p_auto_pd
) {
3736 wpa_s
->p2p_auto_pd
= 0;
3737 wpa_msg_global(wpa_s
, MSG_INFO
,
3738 P2P_EVENT_PROV_DISC_FAILURE
3739 " p2p_dev_addr=" MACSTR
" status=N/A",
3740 MAC2STR(wpa_s
->pending_join_dev_addr
));
3743 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
3744 P2P_EVENT_GROUP_FORMATION_FAILURE
);
3749 static int wpas_check_freq_conflict(struct wpa_supplicant
*wpa_s
, int freq
)
3751 int *freqs
, res
, num
, i
;
3753 if (wpas_p2p_num_unused_channels(wpa_s
) > 0) {
3754 /* Multiple channels are supported and not all are in use */
3758 freqs
= os_calloc(wpa_s
->num_multichan_concurrent
, sizeof(int));
3762 num
= wpas_p2p_valid_oper_freqs(wpa_s
, freqs
,
3763 wpa_s
->num_multichan_concurrent
);
3769 for (i
= 0; i
< num
; i
++) {
3770 if (freqs
[i
] == freq
) {
3771 wpa_printf(MSG_DEBUG
, "P2P: Frequency %d MHz in use by another virtual interface and can be used",
3786 static int wpas_p2p_peer_go(struct wpa_supplicant
*wpa_s
,
3787 const u8
*peer_dev_addr
)
3789 struct wpa_bss
*bss
;
3792 bss
= wpa_bss_get_p2p_dev_addr(wpa_s
, peer_dev_addr
);
3795 if (bss
->last_update_idx
< wpa_s
->bss_update_idx
) {
3796 wpa_printf(MSG_DEBUG
, "P2P: Peer BSS entry not updated in the "
3801 updated
= os_reltime_before(&wpa_s
->p2p_auto_started
,
3803 wpa_printf(MSG_DEBUG
, "P2P: Current BSS entry for peer updated at "
3804 "%ld.%06ld (%supdated in last scan)",
3805 bss
->last_update
.sec
, bss
->last_update
.usec
,
3806 updated
? "": "not ");
3812 static void wpas_p2p_scan_res_join(struct wpa_supplicant
*wpa_s
,
3813 struct wpa_scan_results
*scan_res
)
3815 struct wpa_bss
*bss
;
3817 u8 iface_addr
[ETH_ALEN
];
3819 eloop_cancel_timeout(wpas_p2p_join_scan
, wpa_s
, NULL
);
3821 if (wpa_s
->global
->p2p_disabled
)
3824 wpa_printf(MSG_DEBUG
, "P2P: Scan results received (%d BSS) for %sjoin",
3825 scan_res
? (int) scan_res
->num
: -1,
3826 wpa_s
->p2p_auto_join
? "auto_" : "");
3829 wpas_p2p_scan_res_handler(wpa_s
, scan_res
);
3831 if (wpa_s
->p2p_auto_pd
) {
3832 int join
= wpas_p2p_peer_go(wpa_s
,
3833 wpa_s
->pending_join_dev_addr
);
3835 wpa_s
->auto_pd_scan_retry
< P2P_AUTO_PD_SCAN_ATTEMPTS
) {
3836 wpa_s
->auto_pd_scan_retry
++;
3837 bss
= wpa_bss_get_bssid_latest(
3838 wpa_s
, wpa_s
->pending_join_dev_addr
);
3841 wpa_printf(MSG_DEBUG
, "P2P: Scan retry %d for "
3842 "the peer " MACSTR
" at %d MHz",
3843 wpa_s
->auto_pd_scan_retry
,
3845 pending_join_dev_addr
),
3847 wpas_p2p_join_scan_req(wpa_s
, freq
);
3855 wpa_s
->p2p_auto_pd
= 0;
3856 wpa_s
->pending_pd_use
= join
? AUTO_PD_JOIN
: AUTO_PD_GO_NEG
;
3857 wpa_printf(MSG_DEBUG
, "P2P: Auto PD with " MACSTR
" join=%d",
3858 MAC2STR(wpa_s
->pending_join_dev_addr
), join
);
3859 if (p2p_prov_disc_req(wpa_s
->global
->p2p
,
3860 wpa_s
->pending_join_dev_addr
,
3861 wpa_s
->pending_pd_config_methods
, join
,
3862 0, wpa_s
->user_initiated_pd
) < 0) {
3863 wpa_s
->p2p_auto_pd
= 0;
3864 wpa_msg_global(wpa_s
, MSG_INFO
,
3865 P2P_EVENT_PROV_DISC_FAILURE
3866 " p2p_dev_addr=" MACSTR
" status=N/A",
3867 MAC2STR(wpa_s
->pending_join_dev_addr
));
3872 if (wpa_s
->p2p_auto_join
) {
3873 int join
= wpas_p2p_peer_go(wpa_s
,
3874 wpa_s
->pending_join_dev_addr
);
3876 wpa_printf(MSG_DEBUG
, "P2P: Peer was not found to be "
3877 "running a GO -> use GO Negotiation");
3878 wpas_p2p_connect(wpa_s
, wpa_s
->pending_join_dev_addr
,
3879 wpa_s
->p2p_pin
, wpa_s
->p2p_wps_method
,
3880 wpa_s
->p2p_persistent_group
, 0, 0, 0,
3881 wpa_s
->p2p_go_intent
,
3882 wpa_s
->p2p_connect_freq
,
3883 wpa_s
->p2p_persistent_id
,
3884 wpa_s
->p2p_pd_before_go_neg
,
3890 wpa_printf(MSG_DEBUG
, "P2P: Peer was found running GO%s -> "
3891 "try to join the group", join
? "" :
3894 wpa_s
->p2p_fallback_to_go_neg
= 1;
3897 freq
= p2p_get_oper_freq(wpa_s
->global
->p2p
,
3898 wpa_s
->pending_join_iface_addr
);
3900 p2p_get_interface_addr(wpa_s
->global
->p2p
,
3901 wpa_s
->pending_join_dev_addr
,
3903 os_memcmp(iface_addr
, wpa_s
->pending_join_dev_addr
, ETH_ALEN
) != 0)
3905 wpa_printf(MSG_DEBUG
, "P2P: Overwrite pending interface "
3906 "address for join from " MACSTR
" to " MACSTR
3907 " based on newly discovered P2P peer entry",
3908 MAC2STR(wpa_s
->pending_join_iface_addr
),
3909 MAC2STR(iface_addr
));
3910 os_memcpy(wpa_s
->pending_join_iface_addr
, iface_addr
,
3913 freq
= p2p_get_oper_freq(wpa_s
->global
->p2p
,
3914 wpa_s
->pending_join_iface_addr
);
3917 wpa_printf(MSG_DEBUG
, "P2P: Target GO operating frequency "
3918 "from P2P peer table: %d MHz", freq
);
3920 bss
= wpa_bss_get_bssid_latest(wpa_s
, wpa_s
->pending_join_iface_addr
);
3923 wpa_printf(MSG_DEBUG
, "P2P: Target GO operating frequency "
3924 "from BSS table: %d MHz (SSID %s)", freq
,
3925 wpa_ssid_txt(bss
->ssid
, bss
->ssid_len
));
3930 if (wpas_check_freq_conflict(wpa_s
, freq
) > 0) {
3931 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
3932 P2P_EVENT_GROUP_FORMATION_FAILURE
3933 "reason=FREQ_CONFLICT");
3937 wpa_printf(MSG_DEBUG
, "P2P: Send Provision Discovery Request "
3938 "prior to joining an existing group (GO " MACSTR
3940 MAC2STR(wpa_s
->pending_join_dev_addr
), freq
);
3941 wpa_s
->pending_pd_before_join
= 1;
3943 switch (wpa_s
->pending_join_wps_method
) {
3944 case WPS_PIN_DISPLAY
:
3945 method
= WPS_CONFIG_KEYPAD
;
3947 case WPS_PIN_KEYPAD
:
3948 method
= WPS_CONFIG_DISPLAY
;
3951 method
= WPS_CONFIG_PUSHBUTTON
;
3958 if ((p2p_get_provisioning_info(wpa_s
->global
->p2p
,
3959 wpa_s
->pending_join_dev_addr
) ==
3962 * We have already performed provision discovery for
3963 * joining the group. Proceed directly to join
3964 * operation without duplicated provision discovery. */
3965 wpa_printf(MSG_DEBUG
, "P2P: Provision discovery "
3966 "with " MACSTR
" already done - proceed to "
3968 MAC2STR(wpa_s
->pending_join_dev_addr
));
3969 wpa_s
->pending_pd_before_join
= 0;
3973 if (p2p_prov_disc_req(wpa_s
->global
->p2p
,
3974 wpa_s
->pending_join_dev_addr
, method
, 1,
3975 freq
, wpa_s
->user_initiated_pd
) < 0) {
3976 wpa_printf(MSG_DEBUG
, "P2P: Failed to send Provision "
3977 "Discovery Request before joining an "
3979 wpa_s
->pending_pd_before_join
= 0;
3985 wpa_printf(MSG_DEBUG
, "P2P: Failed to find BSS/GO - try again later");
3986 eloop_cancel_timeout(wpas_p2p_join_scan
, wpa_s
, NULL
);
3987 eloop_register_timeout(1, 0, wpas_p2p_join_scan
, wpa_s
, NULL
);
3988 wpas_p2p_check_join_scan_limit(wpa_s
);
3992 /* Start join operation immediately */
3993 wpas_p2p_join_start(wpa_s
);
3997 static void wpas_p2p_join_scan_req(struct wpa_supplicant
*wpa_s
, int freq
)
4000 struct wpa_driver_scan_params params
;
4001 struct wpabuf
*wps_ie
, *ies
;
4003 int freqs
[2] = { 0, 0 };
4005 os_memset(¶ms
, 0, sizeof(params
));
4007 /* P2P Wildcard SSID */
4008 params
.num_ssids
= 1;
4009 params
.ssids
[0].ssid
= (u8
*) P2P_WILDCARD_SSID
;
4010 params
.ssids
[0].ssid_len
= P2P_WILDCARD_SSID_LEN
;
4012 wpa_s
->wps
->dev
.p2p
= 1;
4013 wps_ie
= wps_build_probe_req_ie(DEV_PW_DEFAULT
, &wpa_s
->wps
->dev
,
4014 wpa_s
->wps
->uuid
, WPS_REQ_ENROLLEE
, 0,
4016 if (wps_ie
== NULL
) {
4017 wpas_p2p_scan_res_join(wpa_s
, NULL
);
4021 ielen
= p2p_scan_ie_buf_len(wpa_s
->global
->p2p
);
4022 ies
= wpabuf_alloc(wpabuf_len(wps_ie
) + ielen
);
4024 wpabuf_free(wps_ie
);
4025 wpas_p2p_scan_res_join(wpa_s
, NULL
);
4028 wpabuf_put_buf(ies
, wps_ie
);
4029 wpabuf_free(wps_ie
);
4031 p2p_scan_ie(wpa_s
->global
->p2p
, ies
, NULL
);
4033 params
.p2p_probe
= 1;
4034 params
.extra_ies
= wpabuf_head(ies
);
4035 params
.extra_ies_len
= wpabuf_len(ies
);
4038 params
.freqs
= freqs
;
4042 * Run a scan to update BSS table and start Provision Discovery once
4043 * the new scan results become available.
4045 ret
= wpa_drv_scan(wpa_s
, ¶ms
);
4047 os_get_reltime(&wpa_s
->scan_trigger_time
);
4048 wpa_s
->scan_res_handler
= wpas_p2p_scan_res_join
;
4049 wpa_s
->own_scan_requested
= 1;
4055 wpa_printf(MSG_DEBUG
, "P2P: Failed to start scan for join - "
4057 eloop_cancel_timeout(wpas_p2p_join_scan
, wpa_s
, NULL
);
4058 eloop_register_timeout(1, 0, wpas_p2p_join_scan
, wpa_s
, NULL
);
4059 wpas_p2p_check_join_scan_limit(wpa_s
);
4064 static void wpas_p2p_join_scan(void *eloop_ctx
, void *timeout_ctx
)
4066 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
4067 wpas_p2p_join_scan_req(wpa_s
, 0);
4071 static int wpas_p2p_join(struct wpa_supplicant
*wpa_s
, const u8
*iface_addr
,
4072 const u8
*dev_addr
, enum p2p_wps_method wps_method
,
4075 wpa_printf(MSG_DEBUG
, "P2P: Request to join existing group (iface "
4076 MACSTR
" dev " MACSTR
")%s",
4077 MAC2STR(iface_addr
), MAC2STR(dev_addr
),
4078 auto_join
? " (auto_join)" : "");
4080 wpa_s
->p2p_auto_pd
= 0;
4081 wpa_s
->p2p_auto_join
= !!auto_join
;
4082 os_memcpy(wpa_s
->pending_join_iface_addr
, iface_addr
, ETH_ALEN
);
4083 os_memcpy(wpa_s
->pending_join_dev_addr
, dev_addr
, ETH_ALEN
);
4084 wpa_s
->pending_join_wps_method
= wps_method
;
4086 /* Make sure we are not running find during connection establishment */
4087 wpas_p2p_stop_find(wpa_s
);
4089 wpa_s
->p2p_join_scan_count
= 0;
4090 wpas_p2p_join_scan(wpa_s
, NULL
);
4095 static int wpas_p2p_join_start(struct wpa_supplicant
*wpa_s
)
4097 struct wpa_supplicant
*group
;
4098 struct p2p_go_neg_results res
;
4099 struct wpa_bss
*bss
;
4101 group
= wpas_p2p_get_group_iface(wpa_s
, 0, 0);
4104 if (group
!= wpa_s
) {
4105 os_memcpy(group
->p2p_pin
, wpa_s
->p2p_pin
,
4106 sizeof(group
->p2p_pin
));
4107 group
->p2p_wps_method
= wpa_s
->p2p_wps_method
;
4110 * Need to mark the current interface for p2p_group_formation
4111 * when a separate group interface is not used. This is needed
4112 * to allow p2p_cancel stop a pending p2p_connect-join.
4113 * wpas_p2p_init_group_interface() addresses this for the case
4114 * where a separate group interface is used.
4116 wpa_s
->global
->p2p_group_formation
= wpa_s
;
4119 group
->p2p_in_provisioning
= 1;
4120 group
->p2p_fallback_to_go_neg
= wpa_s
->p2p_fallback_to_go_neg
;
4122 os_memset(&res
, 0, sizeof(res
));
4123 os_memcpy(res
.peer_interface_addr
, wpa_s
->pending_join_iface_addr
,
4125 res
.wps_method
= wpa_s
->pending_join_wps_method
;
4126 bss
= wpa_bss_get_bssid_latest(wpa_s
, wpa_s
->pending_join_iface_addr
);
4128 res
.freq
= bss
->freq
;
4129 res
.ssid_len
= bss
->ssid_len
;
4130 os_memcpy(res
.ssid
, bss
->ssid
, bss
->ssid_len
);
4131 wpa_printf(MSG_DEBUG
, "P2P: Join target GO operating frequency "
4132 "from BSS table: %d MHz (SSID %s)", bss
->freq
,
4133 wpa_ssid_txt(bss
->ssid
, bss
->ssid_len
));
4136 if (wpa_s
->off_channel_freq
|| wpa_s
->roc_waiting_drv_freq
) {
4137 wpa_printf(MSG_DEBUG
, "P2P: Cancel remain-on-channel prior to "
4139 wpa_drv_cancel_remain_on_channel(wpa_s
);
4140 wpa_s
->off_channel_freq
= 0;
4141 wpa_s
->roc_waiting_drv_freq
= 0;
4143 wpas_start_wps_enrollee(group
, &res
);
4146 * Allow a longer timeout for join-a-running-group than normal 15
4147 * second group formation timeout since the GO may not have authorized
4148 * our connection yet.
4150 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
, wpa_s
, NULL
);
4151 eloop_register_timeout(60, 0, wpas_p2p_group_formation_timeout
,
4158 static int wpas_p2p_setup_freqs(struct wpa_supplicant
*wpa_s
, int freq
,
4159 int *force_freq
, int *pref_freq
, int go
)
4162 unsigned int freq_in_use
= 0, num
, i
;
4164 freqs
= os_calloc(wpa_s
->num_multichan_concurrent
, sizeof(int));
4168 num
= get_shared_radio_freqs(wpa_s
, freqs
,
4169 wpa_s
->num_multichan_concurrent
);
4170 wpa_printf(MSG_DEBUG
,
4171 "P2P: Setup freqs: freq=%d num_MCC=%d shared_freqs=%u",
4172 freq
, wpa_s
->num_multichan_concurrent
, num
);
4177 ret
= p2p_supported_freq(wpa_s
->global
->p2p
, freq
);
4179 ret
= p2p_supported_freq_cli(wpa_s
->global
->p2p
, freq
);
4181 wpa_printf(MSG_DEBUG
, "P2P: The forced channel "
4182 "(%u MHz) is not supported for P2P uses",
4188 for (i
= 0; i
< num
; i
++) {
4189 if (freqs
[i
] == freq
)
4193 if (num
== wpa_s
->num_multichan_concurrent
&& !freq_in_use
) {
4194 wpa_printf(MSG_DEBUG
, "P2P: Cannot start P2P group on %u MHz as there are no available channels",
4199 wpa_printf(MSG_DEBUG
, "P2P: Trying to force us to use the "
4200 "requested channel (%u MHz)", freq
);
4205 for (i
= 0; i
< num
; i
++) {
4206 if (!p2p_supported_freq(wpa_s
->global
->p2p
, freqs
[i
]))
4209 if (*pref_freq
== 0 && num
< wpa_s
->num_multichan_concurrent
) {
4210 wpa_printf(MSG_DEBUG
, "P2P: Try to prefer a frequency (%u MHz) we are already using",
4212 *pref_freq
= freqs
[i
];
4214 wpa_printf(MSG_DEBUG
, "P2P: Try to force us to use frequency (%u MHz) which is already in use",
4216 *force_freq
= freqs
[i
];
4222 if (num
< wpa_s
->num_multichan_concurrent
&& num
> 0) {
4223 wpa_printf(MSG_DEBUG
, "P2P: Current operating channels are not available for P2P. Try to use another channel");
4225 } else if (num
< wpa_s
->num_multichan_concurrent
) {
4226 wpa_printf(MSG_DEBUG
, "P2P: No current operating channels - try to use a new channel");
4229 wpa_printf(MSG_DEBUG
, "P2P: All channels are in use and none of them are P2P enabled. Cannot start P2P group");
4244 * wpas_p2p_connect - Request P2P Group Formation to be started
4245 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
4246 * @peer_addr: Address of the peer P2P Device
4247 * @pin: PIN to use during provisioning or %NULL to indicate PBC mode
4248 * @persistent_group: Whether to create a persistent group
4249 * @auto_join: Whether to select join vs. GO Negotiation automatically
4250 * @join: Whether to join an existing group (as a client) instead of starting
4251 * Group Owner negotiation; @peer_addr is BSSID in that case
4252 * @auth: Whether to only authorize the connection instead of doing that and
4253 * initiating Group Owner negotiation
4254 * @go_intent: GO Intent or -1 to use default
4255 * @freq: Frequency for the group or 0 for auto-selection
4256 * @persistent_id: Persistent group credentials to use for forcing GO
4257 * parameters or -1 to generate new values (SSID/passphrase)
4258 * @pd: Whether to send Provision Discovery prior to GO Negotiation as an
4259 * interoperability workaround when initiating group formation
4260 * @ht40: Start GO with 40 MHz channel width
4261 * @vht: Start GO with VHT support
4262 * Returns: 0 or new PIN (if pin was %NULL) on success, -1 on unspecified
4263 * failure, -2 on failure due to channel not currently available,
4264 * -3 if forced channel is not supported
4266 int wpas_p2p_connect(struct wpa_supplicant
*wpa_s
, const u8
*peer_addr
,
4267 const char *pin
, enum p2p_wps_method wps_method
,
4268 int persistent_group
, int auto_join
, int join
, int auth
,
4269 int go_intent
, int freq
, int persistent_id
, int pd
,
4272 int force_freq
= 0, pref_freq
= 0;
4274 enum wpa_driver_if_type iftype
;
4276 struct wpa_ssid
*ssid
= NULL
;
4278 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
4281 if (persistent_id
>= 0) {
4282 ssid
= wpa_config_get_network(wpa_s
->conf
, persistent_id
);
4283 if (ssid
== NULL
|| ssid
->disabled
!= 2 ||
4284 ssid
->mode
!= WPAS_MODE_P2P_GO
)
4288 os_free(wpa_s
->global
->add_psk
);
4289 wpa_s
->global
->add_psk
= NULL
;
4292 go_intent
= wpa_s
->conf
->p2p_go_intent
;
4295 wpa_s
->p2p_long_listen
= 0;
4297 wpa_s
->p2p_wps_method
= wps_method
;
4298 wpa_s
->p2p_persistent_group
= !!persistent_group
;
4299 wpa_s
->p2p_persistent_id
= persistent_id
;
4300 wpa_s
->p2p_go_intent
= go_intent
;
4301 wpa_s
->p2p_connect_freq
= freq
;
4302 wpa_s
->p2p_fallback_to_go_neg
= 0;
4303 wpa_s
->p2p_pd_before_go_neg
= !!pd
;
4304 wpa_s
->p2p_go_ht40
= !!ht40
;
4305 wpa_s
->p2p_go_vht
= !!vht
;
4308 os_strlcpy(wpa_s
->p2p_pin
, pin
, sizeof(wpa_s
->p2p_pin
));
4309 else if (wps_method
== WPS_PIN_DISPLAY
) {
4310 ret
= wps_generate_pin();
4311 os_snprintf(wpa_s
->p2p_pin
, sizeof(wpa_s
->p2p_pin
), "%08d",
4313 wpa_printf(MSG_DEBUG
, "P2P: Randomly generated PIN: %s",
4316 wpa_s
->p2p_pin
[0] = '\0';
4318 if (join
|| auto_join
) {
4319 u8 iface_addr
[ETH_ALEN
], dev_addr
[ETH_ALEN
];
4321 wpa_printf(MSG_DEBUG
, "P2P: Authorize invitation to "
4322 "connect a running group from " MACSTR
,
4323 MAC2STR(peer_addr
));
4324 os_memcpy(wpa_s
->p2p_auth_invite
, peer_addr
, ETH_ALEN
);
4327 os_memcpy(dev_addr
, peer_addr
, ETH_ALEN
);
4328 if (p2p_get_interface_addr(wpa_s
->global
->p2p
, peer_addr
,
4330 os_memcpy(iface_addr
, peer_addr
, ETH_ALEN
);
4331 p2p_get_dev_addr(wpa_s
->global
->p2p
, peer_addr
,
4335 os_get_reltime(&wpa_s
->p2p_auto_started
);
4336 wpa_printf(MSG_DEBUG
, "P2P: Auto join started at "
4338 wpa_s
->p2p_auto_started
.sec
,
4339 wpa_s
->p2p_auto_started
.usec
);
4341 wpa_s
->user_initiated_pd
= 1;
4342 if (wpas_p2p_join(wpa_s
, iface_addr
, dev_addr
, wps_method
,
4348 res
= wpas_p2p_setup_freqs(wpa_s
, freq
, &force_freq
, &pref_freq
,
4352 wpas_p2p_set_own_freq_preference(wpa_s
,
4353 force_freq
? force_freq
: pref_freq
);
4355 wpa_s
->create_p2p_iface
= wpas_p2p_create_iface(wpa_s
);
4357 if (wpa_s
->create_p2p_iface
) {
4358 /* Prepare to add a new interface for the group */
4359 iftype
= WPA_IF_P2P_GROUP
;
4360 if (go_intent
== 15)
4361 iftype
= WPA_IF_P2P_GO
;
4362 if (wpas_p2p_add_group_interface(wpa_s
, iftype
) < 0) {
4363 wpa_printf(MSG_ERROR
, "P2P: Failed to allocate a new "
4364 "interface for the group");
4368 if_addr
= wpa_s
->pending_interface_addr
;
4370 if_addr
= wpa_s
->own_addr
;
4373 if (wpas_p2p_auth_go_neg(wpa_s
, peer_addr
, wps_method
,
4375 force_freq
, persistent_group
, ssid
,
4381 if (wpas_p2p_start_go_neg(wpa_s
, peer_addr
, wps_method
,
4382 go_intent
, if_addr
, force_freq
,
4383 persistent_group
, ssid
, pref_freq
) < 0) {
4384 if (wpa_s
->create_p2p_iface
)
4385 wpas_p2p_remove_pending_group_interface(wpa_s
);
4393 * wpas_p2p_remain_on_channel_cb - Indication of remain-on-channel start
4394 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
4395 * @freq: Frequency of the channel in MHz
4396 * @duration: Duration of the stay on the channel in milliseconds
4398 * This callback is called when the driver indicates that it has started the
4399 * requested remain-on-channel duration.
4401 void wpas_p2p_remain_on_channel_cb(struct wpa_supplicant
*wpa_s
,
4402 unsigned int freq
, unsigned int duration
)
4404 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
4406 if (wpa_s
->off_channel_freq
== wpa_s
->pending_listen_freq
) {
4407 p2p_listen_cb(wpa_s
->global
->p2p
, wpa_s
->pending_listen_freq
,
4408 wpa_s
->pending_listen_duration
);
4409 wpa_s
->pending_listen_freq
= 0;
4414 static int wpas_p2p_listen_start(struct wpa_supplicant
*wpa_s
,
4415 unsigned int timeout
)
4417 /* Limit maximum Listen state time based on driver limitation. */
4418 if (timeout
> wpa_s
->max_remain_on_chan
)
4419 timeout
= wpa_s
->max_remain_on_chan
;
4421 return p2p_listen(wpa_s
->global
->p2p
, timeout
);
4426 * wpas_p2p_cancel_remain_on_channel_cb - Remain-on-channel timeout
4427 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
4428 * @freq: Frequency of the channel in MHz
4430 * This callback is called when the driver indicates that a remain-on-channel
4431 * operation has been completed, i.e., the duration on the requested channel
4434 void wpas_p2p_cancel_remain_on_channel_cb(struct wpa_supplicant
*wpa_s
,
4437 wpa_printf(MSG_DEBUG
, "P2P: Cancel remain-on-channel callback "
4438 "(p2p_long_listen=%d ms pending_action_tx=%p)",
4439 wpa_s
->p2p_long_listen
, offchannel_pending_action_tx(wpa_s
));
4440 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
4442 if (p2p_listen_end(wpa_s
->global
->p2p
, freq
) > 0)
4443 return; /* P2P module started a new operation */
4444 if (offchannel_pending_action_tx(wpa_s
))
4446 if (wpa_s
->p2p_long_listen
> 0)
4447 wpa_s
->p2p_long_listen
-= wpa_s
->max_remain_on_chan
;
4448 if (wpa_s
->p2p_long_listen
> 0) {
4449 wpa_printf(MSG_DEBUG
, "P2P: Continuing long Listen state");
4450 wpas_p2p_listen_start(wpa_s
, wpa_s
->p2p_long_listen
);
4453 * When listen duration is over, stop listen & update p2p_state
4456 p2p_stop_listen(wpa_s
->global
->p2p
);
4462 * wpas_p2p_group_remove - Remove a P2P group
4463 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
4464 * @ifname: Network interface name of the group interface or "*" to remove all
4466 * Returns: 0 on success, -1 on failure
4468 * This function is used to remove a P2P group. This can be used to disconnect
4469 * from a group in which the local end is a P2P Client or to end a P2P Group in
4470 * case the local end is the Group Owner. If a virtual network interface was
4471 * created for this group, that interface will be removed. Otherwise, only the
4472 * configured P2P group network will be removed from the interface.
4474 int wpas_p2p_group_remove(struct wpa_supplicant
*wpa_s
, const char *ifname
)
4476 struct wpa_global
*global
= wpa_s
->global
;
4478 if (os_strcmp(ifname
, "*") == 0) {
4479 struct wpa_supplicant
*prev
;
4480 wpa_s
= global
->ifaces
;
4483 wpa_s
= wpa_s
->next
;
4484 if (prev
->p2p_group_interface
!=
4485 NOT_P2P_GROUP_INTERFACE
||
4486 (prev
->current_ssid
&&
4487 prev
->current_ssid
->p2p_group
))
4488 wpas_p2p_disconnect(prev
);
4493 for (wpa_s
= global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
4494 if (os_strcmp(wpa_s
->ifname
, ifname
) == 0)
4498 return wpas_p2p_disconnect(wpa_s
);
4502 static int wpas_p2p_select_go_freq(struct wpa_supplicant
*wpa_s
, int freq
)
4507 wpa_printf(MSG_DEBUG
, "P2P: Request to start GO on 2.4 GHz "
4509 if (wpa_s
->best_24_freq
> 0 &&
4510 p2p_supported_freq_go(wpa_s
->global
->p2p
,
4511 wpa_s
->best_24_freq
)) {
4512 freq
= wpa_s
->best_24_freq
;
4513 wpa_printf(MSG_DEBUG
, "P2P: Use best 2.4 GHz band "
4514 "channel: %d MHz", freq
);
4516 os_get_random((u8
*) &r
, sizeof(r
));
4517 freq
= 2412 + (r
% 3) * 25;
4518 wpa_printf(MSG_DEBUG
, "P2P: Use random 2.4 GHz band "
4519 "channel: %d MHz", freq
);
4524 wpa_printf(MSG_DEBUG
, "P2P: Request to start GO on 5 GHz "
4526 if (wpa_s
->best_5_freq
> 0 &&
4527 p2p_supported_freq_go(wpa_s
->global
->p2p
,
4528 wpa_s
->best_5_freq
)) {
4529 freq
= wpa_s
->best_5_freq
;
4530 wpa_printf(MSG_DEBUG
, "P2P: Use best 5 GHz band "
4531 "channel: %d MHz", freq
);
4533 os_get_random((u8
*) &r
, sizeof(r
));
4534 freq
= 5180 + (r
% 4) * 20;
4535 if (!p2p_supported_freq_go(wpa_s
->global
->p2p
, freq
)) {
4536 wpa_printf(MSG_DEBUG
, "P2P: Could not select "
4537 "5 GHz channel for P2P group");
4540 wpa_printf(MSG_DEBUG
, "P2P: Use random 5 GHz band "
4541 "channel: %d MHz", freq
);
4545 if (freq
> 0 && !p2p_supported_freq_go(wpa_s
->global
->p2p
, freq
)) {
4546 wpa_printf(MSG_DEBUG
, "P2P: The forced channel for GO "
4547 "(%u MHz) is not supported for P2P uses",
4556 static int wpas_p2p_init_go_params(struct wpa_supplicant
*wpa_s
,
4557 struct p2p_go_neg_results
*params
,
4558 int freq
, int ht40
, int vht
,
4559 const struct p2p_channels
*channels
)
4562 unsigned int pref_freq
;
4563 unsigned int num
, i
;
4565 os_memset(params
, 0, sizeof(*params
));
4566 params
->role_go
= 1;
4567 params
->ht40
= ht40
;
4570 if (!freq_included(channels
, freq
)) {
4571 wpa_printf(MSG_DEBUG
, "P2P: Forced GO freq %d MHz not "
4575 wpa_printf(MSG_DEBUG
, "P2P: Set GO freq based on forced "
4576 "frequency %d MHz", freq
);
4577 params
->freq
= freq
;
4578 } else if (wpa_s
->conf
->p2p_oper_reg_class
== 81 &&
4579 wpa_s
->conf
->p2p_oper_channel
>= 1 &&
4580 wpa_s
->conf
->p2p_oper_channel
<= 11 &&
4581 freq_included(channels
,
4582 2407 + 5 * wpa_s
->conf
->p2p_oper_channel
)) {
4583 params
->freq
= 2407 + 5 * wpa_s
->conf
->p2p_oper_channel
;
4584 wpa_printf(MSG_DEBUG
, "P2P: Set GO freq based on configured "
4585 "frequency %d MHz", params
->freq
);
4586 } else if ((wpa_s
->conf
->p2p_oper_reg_class
== 115 ||
4587 wpa_s
->conf
->p2p_oper_reg_class
== 116 ||
4588 wpa_s
->conf
->p2p_oper_reg_class
== 117 ||
4589 wpa_s
->conf
->p2p_oper_reg_class
== 124 ||
4590 wpa_s
->conf
->p2p_oper_reg_class
== 126 ||
4591 wpa_s
->conf
->p2p_oper_reg_class
== 127) &&
4592 freq_included(channels
,
4593 5000 + 5 * wpa_s
->conf
->p2p_oper_channel
)) {
4594 params
->freq
= 5000 + 5 * wpa_s
->conf
->p2p_oper_channel
;
4595 wpa_printf(MSG_DEBUG
, "P2P: Set GO freq based on configured "
4596 "frequency %d MHz", params
->freq
);
4597 } else if (wpa_s
->conf
->p2p_oper_channel
== 0 &&
4598 wpa_s
->best_overall_freq
> 0 &&
4599 p2p_supported_freq_go(wpa_s
->global
->p2p
,
4600 wpa_s
->best_overall_freq
) &&
4601 freq_included(channels
, wpa_s
->best_overall_freq
)) {
4602 params
->freq
= wpa_s
->best_overall_freq
;
4603 wpa_printf(MSG_DEBUG
, "P2P: Set GO freq based on best overall "
4604 "channel %d MHz", params
->freq
);
4605 } else if (wpa_s
->conf
->p2p_oper_channel
== 0 &&
4606 wpa_s
->best_24_freq
> 0 &&
4607 p2p_supported_freq_go(wpa_s
->global
->p2p
,
4608 wpa_s
->best_24_freq
) &&
4609 freq_included(channels
, wpa_s
->best_24_freq
)) {
4610 params
->freq
= wpa_s
->best_24_freq
;
4611 wpa_printf(MSG_DEBUG
, "P2P: Set GO freq based on best 2.4 GHz "
4612 "channel %d MHz", params
->freq
);
4613 } else if (wpa_s
->conf
->p2p_oper_channel
== 0 &&
4614 wpa_s
->best_5_freq
> 0 &&
4615 p2p_supported_freq_go(wpa_s
->global
->p2p
,
4616 wpa_s
->best_5_freq
) &&
4617 freq_included(channels
, wpa_s
->best_5_freq
)) {
4618 params
->freq
= wpa_s
->best_5_freq
;
4619 wpa_printf(MSG_DEBUG
, "P2P: Set GO freq based on best 5 GHz "
4620 "channel %d MHz", params
->freq
);
4621 } else if ((pref_freq
= p2p_get_pref_freq(wpa_s
->global
->p2p
,
4623 params
->freq
= pref_freq
;
4624 wpa_printf(MSG_DEBUG
, "P2P: Set GO freq %d MHz from preferred "
4625 "channels", params
->freq
);
4628 for (chan
= 0; chan
< 11; chan
++) {
4629 params
->freq
= 2412 + chan
* 5;
4630 if (!wpas_p2p_disallowed_freq(wpa_s
->global
,
4632 freq_included(channels
, params
->freq
))
4636 wpa_printf(MSG_DEBUG
, "P2P: No 2.4 GHz channel "
4640 wpa_printf(MSG_DEBUG
, "P2P: Set GO freq %d MHz (no preference "
4641 "known)", params
->freq
);
4644 freqs
= os_calloc(wpa_s
->num_multichan_concurrent
, sizeof(int));
4648 res
= wpas_p2p_valid_oper_freqs(wpa_s
, freqs
,
4649 wpa_s
->num_multichan_concurrent
);
4656 for (i
= 0; i
< num
; i
++) {
4657 if (freq
&& freqs
[i
] == freq
)
4659 if (!freq
&& freq_included(channels
, freqs
[i
])) {
4660 wpa_printf(MSG_DEBUG
, "P2P: Force GO on a channel we are already using (%u MHz)",
4662 params
->freq
= freqs
[i
];
4668 if (wpas_p2p_num_unused_channels(wpa_s
) <= 0) {
4670 wpa_printf(MSG_DEBUG
, "P2P: Cannot force GO on freq (%u MHz) as all the channels are in use", freq
);
4672 wpa_printf(MSG_DEBUG
, "P2P: Cannot force GO on any of the channels we are already using");
4675 } else if (num
== 0) {
4676 wpa_printf(MSG_DEBUG
, "P2P: Use one of the free channels");
4678 wpa_printf(MSG_DEBUG
, "P2P: Cannot force GO on any of the channels we are already using. Use one of the free channels");
4687 static struct wpa_supplicant
*
4688 wpas_p2p_get_group_iface(struct wpa_supplicant
*wpa_s
, int addr_allocated
,
4691 struct wpa_supplicant
*group_wpa_s
;
4693 if (!wpas_p2p_create_iface(wpa_s
)) {
4694 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Use same interface for group "
4696 wpa_s
->p2p_first_connection_timeout
= 0;
4700 if (wpas_p2p_add_group_interface(wpa_s
, go
? WPA_IF_P2P_GO
:
4701 WPA_IF_P2P_CLIENT
) < 0) {
4702 wpa_msg_global(wpa_s
, MSG_ERROR
,
4703 "P2P: Failed to add group interface");
4706 group_wpa_s
= wpas_p2p_init_group_interface(wpa_s
, go
);
4707 if (group_wpa_s
== NULL
) {
4708 wpa_msg_global(wpa_s
, MSG_ERROR
,
4709 "P2P: Failed to initialize group interface");
4710 wpas_p2p_remove_pending_group_interface(wpa_s
);
4714 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Use separate group interface %s",
4715 group_wpa_s
->ifname
);
4716 group_wpa_s
->p2p_first_connection_timeout
= 0;
4722 * wpas_p2p_group_add - Add a new P2P group with local end as Group Owner
4723 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
4724 * @persistent_group: Whether to create a persistent group
4725 * @freq: Frequency for the group or 0 to indicate no hardcoding
4726 * @ht40: Start GO with 40 MHz channel width
4727 * @vht: Start GO with VHT support
4728 * Returns: 0 on success, -1 on failure
4730 * This function creates a new P2P group with the local end as the Group Owner,
4731 * i.e., without using Group Owner Negotiation.
4733 int wpas_p2p_group_add(struct wpa_supplicant
*wpa_s
, int persistent_group
,
4734 int freq
, int ht40
, int vht
)
4736 struct p2p_go_neg_results params
;
4738 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
4741 os_free(wpa_s
->global
->add_psk
);
4742 wpa_s
->global
->add_psk
= NULL
;
4744 /* Make sure we are not running find during connection establishment */
4745 wpa_printf(MSG_DEBUG
, "P2P: Stop any on-going P2P FIND");
4746 wpas_p2p_stop_find_oper(wpa_s
);
4748 freq
= wpas_p2p_select_go_freq(wpa_s
, freq
);
4752 if (wpas_p2p_init_go_params(wpa_s
, ¶ms
, freq
, ht40
, vht
, NULL
))
4755 !p2p_supported_freq_go(wpa_s
->global
->p2p
, params
.freq
)) {
4756 wpa_printf(MSG_DEBUG
, "P2P: The selected channel for GO "
4757 "(%u MHz) is not supported for P2P uses",
4761 p2p_go_params(wpa_s
->global
->p2p
, ¶ms
);
4762 params
.persistent_group
= persistent_group
;
4764 wpa_s
= wpas_p2p_get_group_iface(wpa_s
, 0, 1);
4767 wpas_start_wps_go(wpa_s
, ¶ms
, 0);
4773 static int wpas_start_p2p_client(struct wpa_supplicant
*wpa_s
,
4774 struct wpa_ssid
*params
, int addr_allocated
)
4776 struct wpa_ssid
*ssid
;
4778 wpa_s
= wpas_p2p_get_group_iface(wpa_s
, addr_allocated
, 0);
4781 wpa_s
->p2p_last_4way_hs_fail
= NULL
;
4783 wpa_supplicant_ap_deinit(wpa_s
);
4785 ssid
= wpa_config_add_network(wpa_s
->conf
);
4788 wpa_config_set_network_defaults(ssid
);
4789 ssid
->temporary
= 1;
4790 ssid
->proto
= WPA_PROTO_RSN
;
4791 ssid
->pairwise_cipher
= WPA_CIPHER_CCMP
;
4792 ssid
->group_cipher
= WPA_CIPHER_CCMP
;
4793 ssid
->key_mgmt
= WPA_KEY_MGMT_PSK
;
4794 ssid
->ssid
= os_malloc(params
->ssid_len
);
4795 if (ssid
->ssid
== NULL
) {
4796 wpa_config_remove_network(wpa_s
->conf
, ssid
->id
);
4799 os_memcpy(ssid
->ssid
, params
->ssid
, params
->ssid_len
);
4800 ssid
->ssid_len
= params
->ssid_len
;
4801 ssid
->p2p_group
= 1;
4802 ssid
->export_keys
= 1;
4803 if (params
->psk_set
) {
4804 os_memcpy(ssid
->psk
, params
->psk
, 32);
4807 if (params
->passphrase
)
4808 ssid
->passphrase
= os_strdup(params
->passphrase
);
4810 wpa_s
->show_group_started
= 1;
4812 wpa_supplicant_select_network(wpa_s
, ssid
);
4818 int wpas_p2p_group_add_persistent(struct wpa_supplicant
*wpa_s
,
4819 struct wpa_ssid
*ssid
, int addr_allocated
,
4820 int freq
, int ht40
, int vht
,
4821 const struct p2p_channels
*channels
,
4822 int connection_timeout
)
4824 struct p2p_go_neg_results params
;
4827 if (ssid
->disabled
!= 2 || ssid
->ssid
== NULL
)
4830 if (wpas_get_p2p_group(wpa_s
, ssid
->ssid
, ssid
->ssid_len
, &go
) &&
4831 go
== (ssid
->mode
== WPAS_MODE_P2P_GO
)) {
4832 wpa_printf(MSG_DEBUG
, "P2P: Requested persistent group is "
4837 os_free(wpa_s
->global
->add_psk
);
4838 wpa_s
->global
->add_psk
= NULL
;
4840 /* Make sure we are not running find during connection establishment */
4841 wpas_p2p_stop_find_oper(wpa_s
);
4843 wpa_s
->p2p_fallback_to_go_neg
= 0;
4845 if (ssid
->mode
== WPAS_MODE_INFRA
)
4846 return wpas_start_p2p_client(wpa_s
, ssid
, addr_allocated
);
4848 if (ssid
->mode
!= WPAS_MODE_P2P_GO
)
4851 freq
= wpas_p2p_select_go_freq(wpa_s
, freq
);
4855 if (wpas_p2p_init_go_params(wpa_s
, ¶ms
, freq
, ht40
, vht
, channels
))
4859 params
.psk_set
= ssid
->psk_set
;
4861 os_memcpy(params
.psk
, ssid
->psk
, sizeof(params
.psk
));
4862 if (ssid
->passphrase
) {
4863 if (os_strlen(ssid
->passphrase
) >= sizeof(params
.passphrase
)) {
4864 wpa_printf(MSG_ERROR
, "P2P: Invalid passphrase in "
4865 "persistent group");
4868 os_strlcpy(params
.passphrase
, ssid
->passphrase
,
4869 sizeof(params
.passphrase
));
4871 os_memcpy(params
.ssid
, ssid
->ssid
, ssid
->ssid_len
);
4872 params
.ssid_len
= ssid
->ssid_len
;
4873 params
.persistent_group
= 1;
4875 wpa_s
= wpas_p2p_get_group_iface(wpa_s
, addr_allocated
, 1);
4879 wpa_s
->p2p_first_connection_timeout
= connection_timeout
;
4880 wpas_start_wps_go(wpa_s
, ¶ms
, 0);
4886 static void wpas_p2p_ie_update(void *ctx
, struct wpabuf
*beacon_ies
,
4887 struct wpabuf
*proberesp_ies
)
4889 struct wpa_supplicant
*wpa_s
= ctx
;
4890 if (wpa_s
->ap_iface
) {
4891 struct hostapd_data
*hapd
= wpa_s
->ap_iface
->bss
[0];
4892 if (!(hapd
->conf
->p2p
& P2P_GROUP_OWNER
)) {
4893 wpabuf_free(beacon_ies
);
4894 wpabuf_free(proberesp_ies
);
4898 wpabuf_free(hapd
->p2p_beacon_ie
);
4899 hapd
->p2p_beacon_ie
= beacon_ies
;
4901 wpabuf_free(hapd
->p2p_probe_resp_ie
);
4902 hapd
->p2p_probe_resp_ie
= proberesp_ies
;
4904 wpabuf_free(beacon_ies
);
4905 wpabuf_free(proberesp_ies
);
4907 wpa_supplicant_ap_update_beacon(wpa_s
);
4911 static void wpas_p2p_idle_update(void *ctx
, int idle
)
4913 struct wpa_supplicant
*wpa_s
= ctx
;
4914 if (!wpa_s
->ap_iface
)
4916 wpa_printf(MSG_DEBUG
, "P2P: GO - group %sidle", idle
? "" : "not ");
4918 wpas_p2p_set_group_idle_timeout(wpa_s
);
4920 eloop_cancel_timeout(wpas_p2p_group_idle_timeout
, wpa_s
, NULL
);
4924 struct p2p_group
* wpas_p2p_group_init(struct wpa_supplicant
*wpa_s
,
4925 struct wpa_ssid
*ssid
)
4927 struct p2p_group
*group
;
4928 struct p2p_group_config
*cfg
;
4930 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
4933 cfg
= os_zalloc(sizeof(*cfg
));
4937 if (ssid
->p2p_persistent_group
&& wpa_s
->conf
->persistent_reconnect
)
4938 cfg
->persistent_group
= 2;
4939 else if (ssid
->p2p_persistent_group
)
4940 cfg
->persistent_group
= 1;
4941 os_memcpy(cfg
->interface_addr
, wpa_s
->own_addr
, ETH_ALEN
);
4942 if (wpa_s
->max_stations
&&
4943 wpa_s
->max_stations
< wpa_s
->conf
->max_num_sta
)
4944 cfg
->max_clients
= wpa_s
->max_stations
;
4946 cfg
->max_clients
= wpa_s
->conf
->max_num_sta
;
4947 os_memcpy(cfg
->ssid
, ssid
->ssid
, ssid
->ssid_len
);
4948 cfg
->ssid_len
= ssid
->ssid_len
;
4949 cfg
->cb_ctx
= wpa_s
;
4950 cfg
->ie_update
= wpas_p2p_ie_update
;
4951 cfg
->idle_update
= wpas_p2p_idle_update
;
4953 group
= p2p_group_init(wpa_s
->global
->p2p
, cfg
);
4956 if (ssid
->mode
!= WPAS_MODE_P2P_GROUP_FORMATION
)
4957 p2p_group_notif_formation_done(group
);
4958 wpa_s
->p2p_group
= group
;
4963 void wpas_p2p_wps_success(struct wpa_supplicant
*wpa_s
, const u8
*peer_addr
,
4966 struct wpa_ssid
*ssid
= wpa_s
->current_ssid
;
4968 if (!wpa_s
->p2p_in_provisioning
) {
4969 wpa_printf(MSG_DEBUG
, "P2P: Ignore WPS success event - P2P "
4970 "provisioning not in progress");
4974 if (ssid
&& ssid
->mode
== WPAS_MODE_INFRA
) {
4975 u8 go_dev_addr
[ETH_ALEN
];
4976 os_memcpy(go_dev_addr
, wpa_s
->bssid
, ETH_ALEN
);
4977 wpas_p2p_persistent_group(wpa_s
, go_dev_addr
, ssid
->ssid
,
4979 /* Clear any stored provisioning info */
4980 p2p_clear_provisioning_info(wpa_s
->global
->p2p
, go_dev_addr
);
4983 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
, wpa_s
->parent
,
4985 wpa_s
->p2p_go_group_formation_completed
= 1;
4986 if (ssid
&& ssid
->mode
== WPAS_MODE_INFRA
) {
4988 * Use a separate timeout for initial data connection to
4989 * complete to allow the group to be removed automatically if
4990 * something goes wrong in this step before the P2P group idle
4991 * timeout mechanism is taken into use.
4993 wpa_dbg(wpa_s
, MSG_DEBUG
,
4994 "P2P: Re-start group formation timeout (%d seconds) as client for initial connection",
4995 P2P_MAX_INITIAL_CONN_WAIT
);
4996 eloop_register_timeout(P2P_MAX_INITIAL_CONN_WAIT
, 0,
4997 wpas_p2p_group_formation_timeout
,
4998 wpa_s
->parent
, NULL
);
5001 * Use a separate timeout for initial data connection to
5002 * complete to allow the group to be removed automatically if
5003 * the client does not complete data connection successfully.
5005 wpa_dbg(wpa_s
, MSG_DEBUG
,
5006 "P2P: Re-start group formation timeout (%d seconds) as GO for initial connection",
5007 P2P_MAX_INITIAL_CONN_WAIT_GO
);
5008 eloop_register_timeout(P2P_MAX_INITIAL_CONN_WAIT_GO
, 0,
5009 wpas_p2p_group_formation_timeout
,
5010 wpa_s
->parent
, NULL
);
5012 * Complete group formation on first successful data connection
5014 wpa_s
->p2p_go_group_formation_completed
= 0;
5016 if (wpa_s
->global
->p2p
)
5017 p2p_wps_success_cb(wpa_s
->global
->p2p
, peer_addr
);
5018 wpas_group_formation_completed(wpa_s
, 1);
5022 void wpas_p2p_wps_failed(struct wpa_supplicant
*wpa_s
,
5023 struct wps_event_fail
*fail
)
5025 if (!wpa_s
->p2p_in_provisioning
) {
5026 wpa_printf(MSG_DEBUG
, "P2P: Ignore WPS fail event - P2P "
5027 "provisioning not in progress");
5031 if (wpa_s
->go_params
) {
5032 p2p_clear_provisioning_info(
5034 wpa_s
->go_params
->peer_device_addr
);
5037 wpas_notify_p2p_wps_failed(wpa_s
, fail
);
5041 int wpas_p2p_prov_disc(struct wpa_supplicant
*wpa_s
, const u8
*peer_addr
,
5042 const char *config_method
,
5043 enum wpas_p2p_prov_disc_use use
)
5047 wpa_s
->p2p_fallback_to_go_neg
= 0;
5048 wpa_s
->pending_pd_use
= NORMAL_PD
;
5049 if (os_strncmp(config_method
, "display", 7) == 0)
5050 config_methods
= WPS_CONFIG_DISPLAY
;
5051 else if (os_strncmp(config_method
, "keypad", 6) == 0)
5052 config_methods
= WPS_CONFIG_KEYPAD
;
5053 else if (os_strncmp(config_method
, "pbc", 3) == 0 ||
5054 os_strncmp(config_method
, "pushbutton", 10) == 0)
5055 config_methods
= WPS_CONFIG_PUSHBUTTON
;
5057 wpa_printf(MSG_DEBUG
, "P2P: Unknown config method");
5061 if (use
== WPAS_P2P_PD_AUTO
) {
5062 os_memcpy(wpa_s
->pending_join_dev_addr
, peer_addr
, ETH_ALEN
);
5063 wpa_s
->pending_pd_config_methods
= config_methods
;
5064 wpa_s
->p2p_auto_pd
= 1;
5065 wpa_s
->p2p_auto_join
= 0;
5066 wpa_s
->pending_pd_before_join
= 0;
5067 wpa_s
->auto_pd_scan_retry
= 0;
5068 wpas_p2p_stop_find(wpa_s
);
5069 wpa_s
->p2p_join_scan_count
= 0;
5070 os_get_reltime(&wpa_s
->p2p_auto_started
);
5071 wpa_printf(MSG_DEBUG
, "P2P: Auto PD started at %ld.%06ld",
5072 wpa_s
->p2p_auto_started
.sec
,
5073 wpa_s
->p2p_auto_started
.usec
);
5074 wpas_p2p_join_scan(wpa_s
, NULL
);
5078 if (wpa_s
->global
->p2p
== NULL
|| wpa_s
->global
->p2p_disabled
)
5081 return p2p_prov_disc_req(wpa_s
->global
->p2p
, peer_addr
,
5082 config_methods
, use
== WPAS_P2P_PD_FOR_JOIN
,
5087 int wpas_p2p_scan_result_text(const u8
*ies
, size_t ies_len
, char *buf
,
5090 return p2p_scan_result_text(ies
, ies_len
, buf
, end
);
5094 static void wpas_p2p_clear_pending_action_tx(struct wpa_supplicant
*wpa_s
)
5096 if (!offchannel_pending_action_tx(wpa_s
))
5099 wpa_printf(MSG_DEBUG
, "P2P: Drop pending Action TX due to new "
5100 "operation request");
5101 offchannel_clear_pending_action_tx(wpa_s
);
5105 int wpas_p2p_find(struct wpa_supplicant
*wpa_s
, unsigned int timeout
,
5106 enum p2p_discovery_type type
,
5107 unsigned int num_req_dev_types
, const u8
*req_dev_types
,
5108 const u8
*dev_id
, unsigned int search_delay
)
5110 wpas_p2p_clear_pending_action_tx(wpa_s
);
5111 wpa_s
->p2p_long_listen
= 0;
5113 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
||
5114 wpa_s
->p2p_in_provisioning
)
5117 wpa_supplicant_cancel_sched_scan(wpa_s
);
5119 return p2p_find(wpa_s
->global
->p2p
, timeout
, type
,
5120 num_req_dev_types
, req_dev_types
, dev_id
,
5125 static int wpas_p2p_stop_find_oper(struct wpa_supplicant
*wpa_s
)
5127 wpas_p2p_clear_pending_action_tx(wpa_s
);
5128 wpa_s
->p2p_long_listen
= 0;
5129 eloop_cancel_timeout(wpas_p2p_long_listen_timeout
, wpa_s
, NULL
);
5130 eloop_cancel_timeout(wpas_p2p_join_scan
, wpa_s
, NULL
);
5132 if (wpa_s
->global
->p2p
)
5133 p2p_stop_find(wpa_s
->global
->p2p
);
5139 void wpas_p2p_stop_find(struct wpa_supplicant
*wpa_s
)
5141 if (wpas_p2p_stop_find_oper(wpa_s
) > 0)
5143 wpas_p2p_remove_pending_group_interface(wpa_s
);
5147 static void wpas_p2p_long_listen_timeout(void *eloop_ctx
, void *timeout_ctx
)
5149 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
5150 wpa_s
->p2p_long_listen
= 0;
5154 int wpas_p2p_listen(struct wpa_supplicant
*wpa_s
, unsigned int timeout
)
5158 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
5161 wpa_supplicant_cancel_sched_scan(wpa_s
);
5162 wpas_p2p_clear_pending_action_tx(wpa_s
);
5166 * This is a request for unlimited Listen state. However, at
5167 * least for now, this is mapped to a Listen state for one
5172 eloop_cancel_timeout(wpas_p2p_long_listen_timeout
, wpa_s
, NULL
);
5173 wpa_s
->p2p_long_listen
= 0;
5176 * Stop previous find/listen operation to avoid trying to request a new
5177 * remain-on-channel operation while the driver is still running the
5180 if (wpa_s
->global
->p2p
)
5181 p2p_stop_find(wpa_s
->global
->p2p
);
5183 res
= wpas_p2p_listen_start(wpa_s
, timeout
* 1000);
5184 if (res
== 0 && timeout
* 1000 > wpa_s
->max_remain_on_chan
) {
5185 wpa_s
->p2p_long_listen
= timeout
* 1000;
5186 eloop_register_timeout(timeout
, 0,
5187 wpas_p2p_long_listen_timeout
,
5195 int wpas_p2p_assoc_req_ie(struct wpa_supplicant
*wpa_s
, struct wpa_bss
*bss
,
5196 u8
*buf
, size_t len
, int p2p_group
)
5198 struct wpabuf
*p2p_ie
;
5201 if (wpa_s
->global
->p2p_disabled
)
5203 if (wpa_s
->global
->p2p
== NULL
)
5208 p2p_ie
= wpa_bss_get_vendor_ie_multi(bss
, P2P_IE_VENDOR_TYPE
);
5209 ret
= p2p_assoc_req_ie(wpa_s
->global
->p2p
, bss
->bssid
, buf
, len
,
5211 wpabuf_free(p2p_ie
);
5217 int wpas_p2p_probe_req_rx(struct wpa_supplicant
*wpa_s
, const u8
*addr
,
5218 const u8
*dst
, const u8
*bssid
,
5219 const u8
*ie
, size_t ie_len
, int ssi_signal
)
5221 if (wpa_s
->global
->p2p_disabled
)
5223 if (wpa_s
->global
->p2p
== NULL
)
5226 switch (p2p_probe_req_rx(wpa_s
->global
->p2p
, addr
, dst
, bssid
,
5228 case P2P_PREQ_NOT_P2P
:
5229 wpas_notify_preq(wpa_s
, addr
, dst
, bssid
, ie
, ie_len
,
5232 case P2P_PREQ_MALFORMED
:
5233 case P2P_PREQ_NOT_LISTEN
:
5234 case P2P_PREQ_NOT_PROCESSED
:
5235 default: /* make gcc happy */
5237 case P2P_PREQ_PROCESSED
:
5243 void wpas_p2p_rx_action(struct wpa_supplicant
*wpa_s
, const u8
*da
,
5244 const u8
*sa
, const u8
*bssid
,
5245 u8 category
, const u8
*data
, size_t len
, int freq
)
5247 if (wpa_s
->global
->p2p_disabled
)
5249 if (wpa_s
->global
->p2p
== NULL
)
5252 p2p_rx_action(wpa_s
->global
->p2p
, da
, sa
, bssid
, category
, data
, len
,
5257 void wpas_p2p_scan_ie(struct wpa_supplicant
*wpa_s
, struct wpabuf
*ies
)
5259 if (wpa_s
->global
->p2p_disabled
)
5261 if (wpa_s
->global
->p2p
== NULL
)
5264 p2p_scan_ie(wpa_s
->global
->p2p
, ies
, NULL
);
5268 void wpas_p2p_group_deinit(struct wpa_supplicant
*wpa_s
)
5270 p2p_group_deinit(wpa_s
->p2p_group
);
5271 wpa_s
->p2p_group
= NULL
;
5273 wpa_s
->ap_configured_cb
= NULL
;
5274 wpa_s
->ap_configured_cb_ctx
= NULL
;
5275 wpa_s
->ap_configured_cb_data
= NULL
;
5276 wpa_s
->connect_without_scan
= NULL
;
5280 int wpas_p2p_reject(struct wpa_supplicant
*wpa_s
, const u8
*addr
)
5282 wpa_s
->p2p_long_listen
= 0;
5284 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
5287 return p2p_reject(wpa_s
->global
->p2p
, addr
);
5291 /* Invite to reinvoke a persistent group */
5292 int wpas_p2p_invite(struct wpa_supplicant
*wpa_s
, const u8
*peer_addr
,
5293 struct wpa_ssid
*ssid
, const u8
*go_dev_addr
, int freq
,
5294 int ht40
, int vht
, int pref_freq
)
5296 enum p2p_invite_role role
;
5300 int no_pref_freq_given
= pref_freq
== 0;
5302 wpa_s
->global
->p2p_invite_group
= NULL
;
5304 os_memcpy(wpa_s
->p2p_auth_invite
, peer_addr
, ETH_ALEN
);
5306 os_memset(wpa_s
->p2p_auth_invite
, 0, ETH_ALEN
);
5308 wpa_s
->p2p_persistent_go_freq
= freq
;
5309 wpa_s
->p2p_go_ht40
= !!ht40
;
5310 if (ssid
->mode
== WPAS_MODE_P2P_GO
) {
5311 role
= P2P_INVITE_ROLE_GO
;
5312 if (peer_addr
== NULL
) {
5313 wpa_printf(MSG_DEBUG
, "P2P: Missing peer "
5314 "address in invitation command");
5317 if (wpas_p2p_create_iface(wpa_s
)) {
5318 if (wpas_p2p_add_group_interface(wpa_s
,
5319 WPA_IF_P2P_GO
) < 0) {
5320 wpa_printf(MSG_ERROR
, "P2P: Failed to "
5321 "allocate a new interface for the "
5325 bssid
= wpa_s
->pending_interface_addr
;
5327 bssid
= wpa_s
->own_addr
;
5329 role
= P2P_INVITE_ROLE_CLIENT
;
5330 peer_addr
= ssid
->bssid
;
5332 wpa_s
->pending_invite_ssid_id
= ssid
->id
;
5334 res
= wpas_p2p_setup_freqs(wpa_s
, freq
, &force_freq
, &pref_freq
,
5335 role
== P2P_INVITE_ROLE_GO
);
5339 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
5342 if (wpa_s
->parent
->conf
->p2p_ignore_shared_freq
&&
5343 no_pref_freq_given
&& pref_freq
> 0 &&
5344 wpa_s
->num_multichan_concurrent
> 1 &&
5345 wpas_p2p_num_unused_channels(wpa_s
) > 0) {
5346 wpa_printf(MSG_DEBUG
, "P2P: Ignore own channel preference %d MHz for invitation due to p2p_ignore_shared_freq=1 configuration",
5351 return p2p_invite(wpa_s
->global
->p2p
, peer_addr
, role
, bssid
,
5352 ssid
->ssid
, ssid
->ssid_len
, force_freq
, go_dev_addr
,
5357 /* Invite to join an active group */
5358 int wpas_p2p_invite_group(struct wpa_supplicant
*wpa_s
, const char *ifname
,
5359 const u8
*peer_addr
, const u8
*go_dev_addr
)
5361 struct wpa_global
*global
= wpa_s
->global
;
5362 enum p2p_invite_role role
;
5364 struct wpa_ssid
*ssid
;
5366 int freq
= 0, force_freq
= 0, pref_freq
= 0;
5369 wpa_s
->p2p_persistent_go_freq
= 0;
5370 wpa_s
->p2p_go_ht40
= 0;
5371 wpa_s
->p2p_go_vht
= 0;
5373 for (wpa_s
= global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
5374 if (os_strcmp(wpa_s
->ifname
, ifname
) == 0)
5377 if (wpa_s
== NULL
) {
5378 wpa_printf(MSG_DEBUG
, "P2P: Interface '%s' not found", ifname
);
5382 ssid
= wpa_s
->current_ssid
;
5384 wpa_printf(MSG_DEBUG
, "P2P: No current SSID to use for "
5389 wpa_s
->global
->p2p_invite_group
= wpa_s
;
5390 persistent
= ssid
->p2p_persistent_group
&&
5391 wpas_p2p_get_persistent(wpa_s
->parent
, peer_addr
,
5392 ssid
->ssid
, ssid
->ssid_len
);
5394 if (ssid
->mode
== WPAS_MODE_P2P_GO
) {
5395 role
= P2P_INVITE_ROLE_ACTIVE_GO
;
5396 bssid
= wpa_s
->own_addr
;
5397 if (go_dev_addr
== NULL
)
5398 go_dev_addr
= wpa_s
->global
->p2p_dev_addr
;
5399 freq
= ssid
->frequency
;
5401 role
= P2P_INVITE_ROLE_CLIENT
;
5402 if (wpa_s
->wpa_state
< WPA_ASSOCIATED
) {
5403 wpa_printf(MSG_DEBUG
, "P2P: Not associated - cannot "
5404 "invite to current group");
5407 bssid
= wpa_s
->bssid
;
5408 if (go_dev_addr
== NULL
&&
5409 !is_zero_ether_addr(wpa_s
->go_dev_addr
))
5410 go_dev_addr
= wpa_s
->go_dev_addr
;
5411 freq
= wpa_s
->current_bss
? wpa_s
->current_bss
->freq
:
5412 (int) wpa_s
->assoc_freq
;
5414 wpa_s
->parent
->pending_invite_ssid_id
= -1;
5416 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
5419 res
= wpas_p2p_setup_freqs(wpa_s
, freq
, &force_freq
, &pref_freq
,
5420 role
== P2P_INVITE_ROLE_ACTIVE_GO
);
5423 wpas_p2p_set_own_freq_preference(wpa_s
, force_freq
);
5425 return p2p_invite(wpa_s
->global
->p2p
, peer_addr
, role
, bssid
,
5426 ssid
->ssid
, ssid
->ssid_len
, force_freq
,
5427 go_dev_addr
, persistent
, pref_freq
);
5431 void wpas_p2p_completed(struct wpa_supplicant
*wpa_s
)
5433 struct wpa_ssid
*ssid
= wpa_s
->current_ssid
;
5434 const char *ssid_txt
;
5435 u8 go_dev_addr
[ETH_ALEN
];
5436 int network_id
= -1;
5440 if (ssid
== NULL
|| ssid
->mode
!= WPAS_MODE_P2P_GROUP_FORMATION
) {
5441 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
,
5442 wpa_s
->parent
, NULL
);
5445 if (!wpa_s
->show_group_started
|| !ssid
)
5448 wpa_s
->show_group_started
= 0;
5450 ssid_txt
= wpa_ssid_txt(ssid
->ssid
, ssid
->ssid_len
);
5451 os_memset(go_dev_addr
, 0, ETH_ALEN
);
5452 if (ssid
->bssid_set
)
5453 os_memcpy(go_dev_addr
, ssid
->bssid
, ETH_ALEN
);
5454 persistent
= wpas_p2p_persistent_group(wpa_s
, go_dev_addr
, ssid
->ssid
,
5456 os_memcpy(wpa_s
->go_dev_addr
, go_dev_addr
, ETH_ALEN
);
5458 if (wpa_s
->global
->p2p_group_formation
== wpa_s
)
5459 wpa_s
->global
->p2p_group_formation
= NULL
;
5461 freq
= wpa_s
->current_bss
? wpa_s
->current_bss
->freq
:
5462 (int) wpa_s
->assoc_freq
;
5463 if (ssid
->passphrase
== NULL
&& ssid
->psk_set
) {
5465 wpa_snprintf_hex(psk
, sizeof(psk
), ssid
->psk
, 32);
5466 wpa_msg_global(wpa_s
->parent
, MSG_INFO
, P2P_EVENT_GROUP_STARTED
5467 "%s client ssid=\"%s\" freq=%d psk=%s "
5468 "go_dev_addr=" MACSTR
"%s",
5469 wpa_s
->ifname
, ssid_txt
, freq
, psk
,
5470 MAC2STR(go_dev_addr
),
5471 persistent
? " [PERSISTENT]" : "");
5473 wpa_msg_global(wpa_s
->parent
, MSG_INFO
, P2P_EVENT_GROUP_STARTED
5474 "%s client ssid=\"%s\" freq=%d "
5475 "passphrase=\"%s\" go_dev_addr=" MACSTR
"%s",
5476 wpa_s
->ifname
, ssid_txt
, freq
,
5477 ssid
->passphrase
? ssid
->passphrase
: "",
5478 MAC2STR(go_dev_addr
),
5479 persistent
? " [PERSISTENT]" : "");
5483 network_id
= wpas_p2p_store_persistent_group(wpa_s
->parent
,
5486 network_id
= ssid
->id
;
5487 wpas_notify_p2p_group_started(wpa_s
, ssid
, network_id
, 1);
5491 int wpas_p2p_presence_req(struct wpa_supplicant
*wpa_s
, u32 duration1
,
5492 u32 interval1
, u32 duration2
, u32 interval2
)
5496 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
5499 if (wpa_s
->wpa_state
< WPA_ASSOCIATED
||
5500 wpa_s
->current_ssid
== NULL
||
5501 wpa_s
->current_ssid
->mode
!= WPAS_MODE_INFRA
)
5504 ret
= p2p_presence_req(wpa_s
->global
->p2p
, wpa_s
->bssid
,
5505 wpa_s
->own_addr
, wpa_s
->assoc_freq
,
5506 duration1
, interval1
, duration2
, interval2
);
5508 wpa_s
->waiting_presence_resp
= 1;
5514 int wpas_p2p_ext_listen(struct wpa_supplicant
*wpa_s
, unsigned int period
,
5515 unsigned int interval
)
5517 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
5520 return p2p_ext_listen(wpa_s
->global
->p2p
, period
, interval
);
5524 static int wpas_p2p_is_client(struct wpa_supplicant
*wpa_s
)
5526 if (wpa_s
->current_ssid
== NULL
) {
5528 * current_ssid can be cleared when P2P client interface gets
5529 * disconnected, so assume this interface was used as P2P
5534 return wpa_s
->current_ssid
->p2p_group
&&
5535 wpa_s
->current_ssid
->mode
== WPAS_MODE_INFRA
;
5539 static void wpas_p2p_group_idle_timeout(void *eloop_ctx
, void *timeout_ctx
)
5541 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
5543 if (wpa_s
->conf
->p2p_group_idle
== 0 && !wpas_p2p_is_client(wpa_s
)) {
5544 wpa_printf(MSG_DEBUG
, "P2P: Ignore group idle timeout - "
5549 wpa_printf(MSG_DEBUG
, "P2P: Group idle timeout reached - terminate "
5551 wpas_p2p_group_delete(wpa_s
, P2P_GROUP_REMOVAL_IDLE_TIMEOUT
);
5555 static void wpas_p2p_set_group_idle_timeout(struct wpa_supplicant
*wpa_s
)
5559 if (eloop_cancel_timeout(wpas_p2p_group_idle_timeout
, wpa_s
, NULL
) > 0)
5560 wpa_printf(MSG_DEBUG
, "P2P: Cancelled P2P group idle timeout");
5562 if (wpa_s
->current_ssid
== NULL
|| !wpa_s
->current_ssid
->p2p_group
)
5565 timeout
= wpa_s
->conf
->p2p_group_idle
;
5566 if (wpa_s
->current_ssid
->mode
== WPAS_MODE_INFRA
&&
5567 (timeout
== 0 || timeout
> P2P_MAX_CLIENT_IDLE
))
5568 timeout
= P2P_MAX_CLIENT_IDLE
;
5574 if (wpa_s
->current_ssid
->mode
== WPAS_MODE_INFRA
)
5575 timeout
= 0; /* special client mode no-timeout */
5580 if (wpa_s
->p2p_in_provisioning
) {
5582 * Use the normal group formation timeout during the
5583 * provisioning phase to avoid terminating this process too
5584 * early due to group idle timeout.
5586 wpa_printf(MSG_DEBUG
, "P2P: Do not use P2P group idle timeout "
5587 "during provisioning");
5591 if (wpa_s
->show_group_started
) {
5593 * Use the normal group formation timeout between the end of
5594 * the provisioning phase and completion of 4-way handshake to
5595 * avoid terminating this process too early due to group idle
5598 wpa_printf(MSG_DEBUG
, "P2P: Do not use P2P group idle timeout "
5599 "while waiting for initial 4-way handshake to "
5604 wpa_printf(MSG_DEBUG
, "P2P: Set P2P group idle timeout to %u seconds",
5606 eloop_register_timeout(timeout
, 0, wpas_p2p_group_idle_timeout
,
5611 /* Returns 1 if the interface was removed */
5612 int wpas_p2p_deauth_notif(struct wpa_supplicant
*wpa_s
, const u8
*bssid
,
5613 u16 reason_code
, const u8
*ie
, size_t ie_len
,
5614 int locally_generated
)
5616 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
5619 if (!locally_generated
)
5620 p2p_deauth_notif(wpa_s
->global
->p2p
, bssid
, reason_code
, ie
,
5623 if (reason_code
== WLAN_REASON_DEAUTH_LEAVING
&& !locally_generated
&&
5624 wpa_s
->current_ssid
&&
5625 wpa_s
->current_ssid
->p2p_group
&&
5626 wpa_s
->current_ssid
->mode
== WPAS_MODE_INFRA
) {
5627 wpa_printf(MSG_DEBUG
, "P2P: GO indicated that the P2P Group "
5628 "session is ending");
5629 if (wpas_p2p_group_delete(wpa_s
,
5630 P2P_GROUP_REMOVAL_GO_ENDING_SESSION
)
5639 void wpas_p2p_disassoc_notif(struct wpa_supplicant
*wpa_s
, const u8
*bssid
,
5640 u16 reason_code
, const u8
*ie
, size_t ie_len
,
5641 int locally_generated
)
5643 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
5646 if (!locally_generated
)
5647 p2p_disassoc_notif(wpa_s
->global
->p2p
, bssid
, reason_code
, ie
,
5652 void wpas_p2p_update_config(struct wpa_supplicant
*wpa_s
)
5654 struct p2p_data
*p2p
= wpa_s
->global
->p2p
;
5659 if (!(wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_P2P_CAPABLE
))
5662 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_DEVICE_NAME
)
5663 p2p_set_dev_name(p2p
, wpa_s
->conf
->device_name
);
5665 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_DEVICE_TYPE
)
5666 p2p_set_pri_dev_type(p2p
, wpa_s
->conf
->device_type
);
5669 (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_CONFIG_METHODS
))
5670 p2p_set_config_methods(p2p
, wpa_s
->wps
->config_methods
);
5672 if (wpa_s
->wps
&& (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_UUID
))
5673 p2p_set_uuid(p2p
, wpa_s
->wps
->uuid
);
5675 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_WPS_STRING
) {
5676 p2p_set_manufacturer(p2p
, wpa_s
->conf
->manufacturer
);
5677 p2p_set_model_name(p2p
, wpa_s
->conf
->model_name
);
5678 p2p_set_model_number(p2p
, wpa_s
->conf
->model_number
);
5679 p2p_set_serial_number(p2p
, wpa_s
->conf
->serial_number
);
5682 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_SEC_DEVICE_TYPE
)
5683 p2p_set_sec_dev_types(p2p
,
5684 (void *) wpa_s
->conf
->sec_device_type
,
5685 wpa_s
->conf
->num_sec_device_types
);
5687 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_VENDOR_EXTENSION
) {
5689 p2p_remove_wps_vendor_extensions(p2p
);
5690 for (i
= 0; i
< MAX_WPS_VENDOR_EXT
; i
++) {
5691 if (wpa_s
->conf
->wps_vendor_ext
[i
] == NULL
)
5693 p2p_add_wps_vendor_extension(
5694 p2p
, wpa_s
->conf
->wps_vendor_ext
[i
]);
5698 if ((wpa_s
->conf
->changed_parameters
& CFG_CHANGED_COUNTRY
) &&
5699 wpa_s
->conf
->country
[0] && wpa_s
->conf
->country
[1]) {
5701 country
[0] = wpa_s
->conf
->country
[0];
5702 country
[1] = wpa_s
->conf
->country
[1];
5704 p2p_set_country(p2p
, country
);
5707 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_P2P_SSID_POSTFIX
) {
5708 p2p_set_ssid_postfix(p2p
, (u8
*) wpa_s
->conf
->p2p_ssid_postfix
,
5709 wpa_s
->conf
->p2p_ssid_postfix
?
5710 os_strlen(wpa_s
->conf
->p2p_ssid_postfix
) :
5714 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_P2P_INTRA_BSS
)
5715 p2p_set_intra_bss_dist(p2p
, wpa_s
->conf
->p2p_intra_bss
);
5717 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_P2P_LISTEN_CHANNEL
) {
5718 u8 reg_class
, channel
;
5721 if (wpa_s
->conf
->p2p_listen_reg_class
&&
5722 wpa_s
->conf
->p2p_listen_channel
) {
5723 reg_class
= wpa_s
->conf
->p2p_listen_reg_class
;
5724 channel
= wpa_s
->conf
->p2p_listen_channel
;
5728 * Pick one of the social channels randomly as the
5731 os_get_random((u8
*) &r
, sizeof(r
));
5732 channel
= 1 + (r
% 3) * 5;
5734 ret
= p2p_set_listen_channel(p2p
, reg_class
, channel
);
5736 wpa_printf(MSG_ERROR
, "P2P: Own listen channel update "
5739 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_P2P_OPER_CHANNEL
) {
5740 u8 op_reg_class
, op_channel
, cfg_op_channel
;
5743 if (wpa_s
->conf
->p2p_oper_reg_class
&&
5744 wpa_s
->conf
->p2p_oper_channel
) {
5745 op_reg_class
= wpa_s
->conf
->p2p_oper_reg_class
;
5746 op_channel
= wpa_s
->conf
->p2p_oper_channel
;
5751 * Use random operation channel from (1, 6, 11)
5752 *if no other preference is indicated.
5754 os_get_random((u8
*) &r
, sizeof(r
));
5755 op_channel
= 1 + (r
% 3) * 5;
5758 ret
= p2p_set_oper_channel(p2p
, op_reg_class
, op_channel
,
5761 wpa_printf(MSG_ERROR
, "P2P: Own oper channel update "
5765 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_P2P_PREF_CHAN
) {
5766 if (p2p_set_pref_chan(p2p
, wpa_s
->conf
->num_p2p_pref_chan
,
5767 wpa_s
->conf
->p2p_pref_chan
) < 0) {
5768 wpa_printf(MSG_ERROR
, "P2P: Preferred channel list "
5772 if (p2p_set_no_go_freq(p2p
, &wpa_s
->conf
->p2p_no_go_freq
) < 0) {
5773 wpa_printf(MSG_ERROR
, "P2P: No GO channel list "
5780 int wpas_p2p_set_noa(struct wpa_supplicant
*wpa_s
, u8 count
, int start
,
5783 if (!wpa_s
->ap_iface
)
5785 return hostapd_p2p_set_noa(wpa_s
->ap_iface
->bss
[0], count
, start
,
5790 int wpas_p2p_set_cross_connect(struct wpa_supplicant
*wpa_s
, int enabled
)
5792 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
5795 wpa_s
->global
->cross_connection
= enabled
;
5796 p2p_set_cross_connect(wpa_s
->global
->p2p
, enabled
);
5799 struct wpa_supplicant
*iface
;
5801 for (iface
= wpa_s
->global
->ifaces
; iface
; iface
= iface
->next
)
5803 if (iface
->cross_connect_enabled
== 0)
5806 iface
->cross_connect_enabled
= 0;
5807 iface
->cross_connect_in_use
= 0;
5808 wpa_msg_global(iface
->parent
, MSG_INFO
,
5809 P2P_EVENT_CROSS_CONNECT_DISABLE
"%s %s",
5811 iface
->cross_connect_uplink
);
5819 static void wpas_p2p_enable_cross_connect(struct wpa_supplicant
*uplink
)
5821 struct wpa_supplicant
*iface
;
5823 if (!uplink
->global
->cross_connection
)
5826 for (iface
= uplink
->global
->ifaces
; iface
; iface
= iface
->next
) {
5827 if (!iface
->cross_connect_enabled
)
5829 if (os_strcmp(uplink
->ifname
, iface
->cross_connect_uplink
) !=
5832 if (iface
->ap_iface
== NULL
)
5834 if (iface
->cross_connect_in_use
)
5837 iface
->cross_connect_in_use
= 1;
5838 wpa_msg_global(iface
->parent
, MSG_INFO
,
5839 P2P_EVENT_CROSS_CONNECT_ENABLE
"%s %s",
5840 iface
->ifname
, iface
->cross_connect_uplink
);
5845 static void wpas_p2p_disable_cross_connect(struct wpa_supplicant
*uplink
)
5847 struct wpa_supplicant
*iface
;
5849 for (iface
= uplink
->global
->ifaces
; iface
; iface
= iface
->next
) {
5850 if (!iface
->cross_connect_enabled
)
5852 if (os_strcmp(uplink
->ifname
, iface
->cross_connect_uplink
) !=
5855 if (!iface
->cross_connect_in_use
)
5858 wpa_msg_global(iface
->parent
, MSG_INFO
,
5859 P2P_EVENT_CROSS_CONNECT_DISABLE
"%s %s",
5860 iface
->ifname
, iface
->cross_connect_uplink
);
5861 iface
->cross_connect_in_use
= 0;
5866 void wpas_p2p_notif_connected(struct wpa_supplicant
*wpa_s
)
5868 if (wpa_s
->ap_iface
|| wpa_s
->current_ssid
== NULL
||
5869 wpa_s
->current_ssid
->mode
!= WPAS_MODE_INFRA
||
5870 wpa_s
->cross_connect_disallowed
)
5871 wpas_p2p_disable_cross_connect(wpa_s
);
5873 wpas_p2p_enable_cross_connect(wpa_s
);
5874 if (!wpa_s
->ap_iface
&&
5875 eloop_cancel_timeout(wpas_p2p_group_idle_timeout
, wpa_s
, NULL
) > 0)
5876 wpa_printf(MSG_DEBUG
, "P2P: Cancelled P2P group idle timeout");
5880 void wpas_p2p_notif_disconnected(struct wpa_supplicant
*wpa_s
)
5882 wpas_p2p_disable_cross_connect(wpa_s
);
5883 if (!wpa_s
->ap_iface
&&
5884 !eloop_is_timeout_registered(wpas_p2p_group_idle_timeout
,
5886 wpas_p2p_set_group_idle_timeout(wpa_s
);
5890 static void wpas_p2p_cross_connect_setup(struct wpa_supplicant
*wpa_s
)
5892 struct wpa_supplicant
*iface
;
5894 if (!wpa_s
->global
->cross_connection
)
5897 for (iface
= wpa_s
->global
->ifaces
; iface
; iface
= iface
->next
) {
5900 if (iface
->drv_flags
&
5901 WPA_DRIVER_FLAGS_P2P_DEDICATED_INTERFACE
)
5903 if (iface
->drv_flags
& WPA_DRIVER_FLAGS_P2P_CAPABLE
)
5906 wpa_s
->cross_connect_enabled
= 1;
5907 os_strlcpy(wpa_s
->cross_connect_uplink
, iface
->ifname
,
5908 sizeof(wpa_s
->cross_connect_uplink
));
5909 wpa_printf(MSG_DEBUG
, "P2P: Enable cross connection from "
5910 "%s to %s whenever uplink is available",
5911 wpa_s
->ifname
, wpa_s
->cross_connect_uplink
);
5913 if (iface
->ap_iface
|| iface
->current_ssid
== NULL
||
5914 iface
->current_ssid
->mode
!= WPAS_MODE_INFRA
||
5915 iface
->cross_connect_disallowed
||
5916 iface
->wpa_state
!= WPA_COMPLETED
)
5919 wpa_s
->cross_connect_in_use
= 1;
5920 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
5921 P2P_EVENT_CROSS_CONNECT_ENABLE
"%s %s",
5922 wpa_s
->ifname
, wpa_s
->cross_connect_uplink
);
5928 int wpas_p2p_notif_pbc_overlap(struct wpa_supplicant
*wpa_s
)
5930 if (wpa_s
->p2p_group_interface
!= P2P_GROUP_INTERFACE_CLIENT
&&
5931 !wpa_s
->p2p_in_provisioning
)
5932 return 0; /* not P2P client operation */
5934 wpa_printf(MSG_DEBUG
, "P2P: Terminate connection due to WPS PBC "
5936 if (wpa_s
!= wpa_s
->parent
)
5937 wpa_msg_ctrl(wpa_s
->parent
, MSG_INFO
, WPS_EVENT_OVERLAP
);
5938 wpas_p2p_group_formation_failed(wpa_s
);
5943 void wpas_p2p_update_channel_list(struct wpa_supplicant
*wpa_s
)
5945 struct p2p_channels chan
, cli_chan
;
5947 if (wpa_s
->global
== NULL
|| wpa_s
->global
->p2p
== NULL
)
5950 os_memset(&chan
, 0, sizeof(chan
));
5951 os_memset(&cli_chan
, 0, sizeof(cli_chan
));
5952 if (wpas_p2p_setup_channels(wpa_s
, &chan
, &cli_chan
)) {
5953 wpa_printf(MSG_ERROR
, "P2P: Failed to update supported "
5958 p2p_update_channel_list(wpa_s
->global
->p2p
, &chan
, &cli_chan
);
5962 static void wpas_p2p_scan_res_ignore(struct wpa_supplicant
*wpa_s
,
5963 struct wpa_scan_results
*scan_res
)
5965 wpa_printf(MSG_DEBUG
, "P2P: Ignore scan results");
5969 int wpas_p2p_cancel(struct wpa_supplicant
*wpa_s
)
5971 struct wpa_global
*global
= wpa_s
->global
;
5975 if (global
->p2p
== NULL
)
5978 wpa_printf(MSG_DEBUG
, "P2P: Request to cancel group formation");
5980 if (wpa_s
->pending_interface_name
[0] &&
5981 !is_zero_ether_addr(wpa_s
->pending_interface_addr
))
5984 peer
= p2p_get_go_neg_peer(global
->p2p
);
5986 wpa_printf(MSG_DEBUG
, "P2P: Unauthorize pending GO Neg peer "
5987 MACSTR
, MAC2STR(peer
));
5988 p2p_unauthorize(global
->p2p
, peer
);
5992 if (wpa_s
->scan_res_handler
== wpas_p2p_scan_res_join
) {
5993 wpa_printf(MSG_DEBUG
, "P2P: Stop pending scan for join");
5994 wpa_s
->scan_res_handler
= wpas_p2p_scan_res_ignore
;
5998 if (wpa_s
->pending_pd_before_join
) {
5999 wpa_printf(MSG_DEBUG
, "P2P: Stop pending PD before join");
6000 wpa_s
->pending_pd_before_join
= 0;
6004 wpas_p2p_stop_find(wpa_s
);
6006 for (wpa_s
= global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
6007 if (wpa_s
== global
->p2p_group_formation
&&
6008 (wpa_s
->p2p_in_provisioning
||
6009 wpa_s
->parent
->pending_interface_type
==
6010 WPA_IF_P2P_CLIENT
)) {
6011 wpa_printf(MSG_DEBUG
, "P2P: Interface %s in group "
6012 "formation found - cancelling",
6015 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
,
6016 wpa_s
->parent
, NULL
);
6017 if (wpa_s
->p2p_in_provisioning
) {
6018 wpas_group_formation_completed(wpa_s
, 0);
6021 wpas_p2p_group_delete(wpa_s
,
6022 P2P_GROUP_REMOVAL_REQUESTED
);
6028 wpa_printf(MSG_DEBUG
, "P2P: No ongoing group formation found");
6036 void wpas_p2p_interface_unavailable(struct wpa_supplicant
*wpa_s
)
6038 if (wpa_s
->current_ssid
== NULL
|| !wpa_s
->current_ssid
->p2p_group
)
6041 wpa_printf(MSG_DEBUG
, "P2P: Remove group due to driver resource not "
6042 "being available anymore");
6043 wpas_p2p_group_delete(wpa_s
, P2P_GROUP_REMOVAL_UNAVAILABLE
);
6047 void wpas_p2p_update_best_channels(struct wpa_supplicant
*wpa_s
,
6048 int freq_24
, int freq_5
, int freq_overall
)
6050 struct p2p_data
*p2p
= wpa_s
->global
->p2p
;
6053 p2p_set_best_channels(p2p
, freq_24
, freq_5
, freq_overall
);
6057 int wpas_p2p_unauthorize(struct wpa_supplicant
*wpa_s
, const char *addr
)
6060 struct p2p_data
*p2p
= wpa_s
->global
->p2p
;
6065 if (hwaddr_aton(addr
, peer
))
6068 return p2p_unauthorize(p2p
, peer
);
6073 * wpas_p2p_disconnect - Disconnect from a P2P Group
6074 * @wpa_s: Pointer to wpa_supplicant data
6075 * Returns: 0 on success, -1 on failure
6077 * This can be used to disconnect from a group in which the local end is a P2P
6078 * Client or to end a P2P Group in case the local end is the Group Owner. If a
6079 * virtual network interface was created for this group, that interface will be
6080 * removed. Otherwise, only the configured P2P group network will be removed
6081 * from the interface.
6083 int wpas_p2p_disconnect(struct wpa_supplicant
*wpa_s
)
6089 return wpas_p2p_group_delete(wpa_s
, P2P_GROUP_REMOVAL_REQUESTED
) < 0 ?
6094 int wpas_p2p_in_progress(struct wpa_supplicant
*wpa_s
)
6098 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
6101 ret
= p2p_in_progress(wpa_s
->global
->p2p
);
6104 * Check whether there is an ongoing WPS provisioning step (or
6105 * other parts of group formation) on another interface since
6106 * p2p_in_progress() does not report this to avoid issues for
6107 * scans during such provisioning step.
6109 if (wpa_s
->global
->p2p_group_formation
&&
6110 wpa_s
->global
->p2p_group_formation
!= wpa_s
) {
6111 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Another interface (%s) "
6112 "in group formation",
6113 wpa_s
->global
->p2p_group_formation
->ifname
);
6118 if (!ret
&& wpa_s
->global
->p2p_go_wait_client
.sec
) {
6119 struct os_reltime now
;
6120 os_get_reltime(&now
);
6121 if (os_reltime_expired(&now
, &wpa_s
->global
->p2p_go_wait_client
,
6122 P2P_MAX_INITIAL_CONN_WAIT_GO
)) {
6123 /* Wait for the first client has expired */
6124 wpa_s
->global
->p2p_go_wait_client
.sec
= 0;
6126 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Waiting for initial client connection during group formation");
6135 void wpas_p2p_network_removed(struct wpa_supplicant
*wpa_s
,
6136 struct wpa_ssid
*ssid
)
6138 if (wpa_s
->p2p_in_provisioning
&& ssid
->p2p_group
&&
6139 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
,
6140 wpa_s
->parent
, NULL
) > 0) {
6142 * Remove the network by scheduling the group formation
6143 * timeout to happen immediately. The teardown code
6144 * needs to be scheduled to run asynch later so that we
6145 * don't delete data from under ourselves unexpectedly.
6146 * Calling wpas_p2p_group_formation_timeout directly
6147 * causes a series of crashes in WPS failure scenarios.
6149 wpa_printf(MSG_DEBUG
, "P2P: Canceled group formation due to "
6150 "P2P group network getting removed");
6151 eloop_register_timeout(0, 0, wpas_p2p_group_formation_timeout
,
6152 wpa_s
->parent
, NULL
);
6157 struct wpa_ssid
* wpas_p2p_get_persistent(struct wpa_supplicant
*wpa_s
,
6158 const u8
*addr
, const u8
*ssid
,
6164 for (s
= wpa_s
->conf
->ssid
; s
; s
= s
->next
) {
6165 if (s
->disabled
!= 2)
6168 (ssid_len
!= s
->ssid_len
||
6169 os_memcmp(ssid
, s
->ssid
, ssid_len
) != 0))
6172 if (s
->mode
== WPAS_MODE_P2P_GO
)
6176 if (os_memcmp(s
->bssid
, addr
, ETH_ALEN
) == 0)
6177 return s
; /* peer is GO in the persistent group */
6178 if (s
->mode
!= WPAS_MODE_P2P_GO
|| s
->p2p_client_list
== NULL
)
6180 for (i
= 0; i
< s
->num_p2p_clients
; i
++) {
6181 if (os_memcmp(s
->p2p_client_list
+ i
* ETH_ALEN
,
6182 addr
, ETH_ALEN
) == 0)
6183 return s
; /* peer is P2P client in persistent
6192 void wpas_p2p_notify_ap_sta_authorized(struct wpa_supplicant
*wpa_s
,
6195 if (eloop_cancel_timeout(wpas_p2p_group_formation_timeout
,
6196 wpa_s
->parent
, NULL
) > 0) {
6198 * This can happen if WPS provisioning step is not terminated
6199 * cleanly (e.g., P2P Client does not send WSC_Done). Since the
6200 * peer was able to connect, there is no need to time out group
6201 * formation after this, though. In addition, this is used with
6202 * the initial connection wait on the GO as a separate formation
6203 * timeout and as such, expected to be hit after the initial WPS
6204 * provisioning step.
6206 wpa_printf(MSG_DEBUG
, "P2P: Canceled P2P group formation timeout on data connection");
6208 if (!wpa_s
->p2p_go_group_formation_completed
) {
6209 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Marking group formation completed on GO on first data connection");
6210 wpa_s
->p2p_go_group_formation_completed
= 1;
6211 wpa_s
->global
->p2p_group_formation
= NULL
;
6212 wpa_s
->p2p_in_provisioning
= 0;
6214 wpa_s
->global
->p2p_go_wait_client
.sec
= 0;
6217 wpas_p2p_add_persistent_group_client(wpa_s
, addr
);
6221 static void wpas_p2p_fallback_to_go_neg(struct wpa_supplicant
*wpa_s
,
6224 struct wpa_supplicant
*group
= wpa_s
;
6225 if (wpa_s
->global
->p2p_group_formation
)
6226 group
= wpa_s
->global
->p2p_group_formation
;
6227 wpa_s
= wpa_s
->parent
;
6228 offchannel_send_action_done(wpa_s
);
6230 wpas_p2p_group_delete(group
, P2P_GROUP_REMOVAL_SILENT
);
6231 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Fall back to GO Negotiation");
6232 wpas_p2p_connect(wpa_s
, wpa_s
->pending_join_dev_addr
, wpa_s
->p2p_pin
,
6233 wpa_s
->p2p_wps_method
, wpa_s
->p2p_persistent_group
, 0,
6234 0, 0, wpa_s
->p2p_go_intent
, wpa_s
->p2p_connect_freq
,
6235 wpa_s
->p2p_persistent_id
,
6236 wpa_s
->p2p_pd_before_go_neg
,
6242 int wpas_p2p_scan_no_go_seen(struct wpa_supplicant
*wpa_s
)
6244 if (!wpa_s
->p2p_fallback_to_go_neg
||
6245 wpa_s
->p2p_in_provisioning
<= 5)
6248 if (wpas_p2p_peer_go(wpa_s
, wpa_s
->pending_join_dev_addr
) > 0)
6249 return 0; /* peer operating as a GO */
6251 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: GO not found for p2p_connect-auto - "
6252 "fallback to GO Negotiation");
6253 wpas_p2p_fallback_to_go_neg(wpa_s
, 1);
6259 unsigned int wpas_p2p_search_delay(struct wpa_supplicant
*wpa_s
)
6261 struct wpa_supplicant
*ifs
;
6263 if (wpa_s
->wpa_state
> WPA_SCANNING
) {
6264 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Use %u ms search delay due to "
6265 "concurrent operation",
6266 P2P_CONCURRENT_SEARCH_DELAY
);
6267 return P2P_CONCURRENT_SEARCH_DELAY
;
6270 dl_list_for_each(ifs
, &wpa_s
->radio
->ifaces
, struct wpa_supplicant
,
6272 if (ifs
!= wpa_s
&& ifs
->wpa_state
> WPA_SCANNING
) {
6273 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Use %u ms search "
6274 "delay due to concurrent operation on "
6276 P2P_CONCURRENT_SEARCH_DELAY
, ifs
->ifname
);
6277 return P2P_CONCURRENT_SEARCH_DELAY
;
6285 static int wpas_p2p_remove_psk_entry(struct wpa_supplicant
*wpa_s
,
6286 struct wpa_ssid
*s
, const u8
*addr
,
6289 struct psk_list_entry
*psk
, *tmp
;
6292 dl_list_for_each_safe(psk
, tmp
, &s
->psk_list
, struct psk_list_entry
,
6294 if ((iface_addr
&& !psk
->p2p
&&
6295 os_memcmp(addr
, psk
->addr
, ETH_ALEN
) == 0) ||
6296 (!iface_addr
&& psk
->p2p
&&
6297 os_memcmp(addr
, psk
->addr
, ETH_ALEN
) == 0)) {
6298 wpa_dbg(wpa_s
, MSG_DEBUG
,
6299 "P2P: Remove persistent group PSK list entry for "
6301 MAC2STR(psk
->addr
), psk
->p2p
);
6302 dl_list_del(&psk
->list
);
6312 void wpas_p2p_new_psk_cb(struct wpa_supplicant
*wpa_s
, const u8
*mac_addr
,
6313 const u8
*p2p_dev_addr
,
6314 const u8
*psk
, size_t psk_len
)
6316 struct wpa_ssid
*ssid
= wpa_s
->current_ssid
;
6317 struct wpa_ssid
*persistent
;
6318 struct psk_list_entry
*p
;
6320 if (psk_len
!= sizeof(p
->psk
))
6324 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: New PSK for addr=" MACSTR
6325 " p2p_dev_addr=" MACSTR
,
6326 MAC2STR(mac_addr
), MAC2STR(p2p_dev_addr
));
6327 if (is_zero_ether_addr(p2p_dev_addr
))
6328 p2p_dev_addr
= NULL
;
6330 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: New PSK for addr=" MACSTR
,
6334 if (ssid
->mode
== WPAS_MODE_P2P_GROUP_FORMATION
) {
6335 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: new_psk_cb during group formation");
6336 /* To be added to persistent group once created */
6337 if (wpa_s
->global
->add_psk
== NULL
) {
6338 wpa_s
->global
->add_psk
= os_zalloc(sizeof(*p
));
6339 if (wpa_s
->global
->add_psk
== NULL
)
6342 p
= wpa_s
->global
->add_psk
;
6345 os_memcpy(p
->addr
, p2p_dev_addr
, ETH_ALEN
);
6348 os_memcpy(p
->addr
, mac_addr
, ETH_ALEN
);
6350 os_memcpy(p
->psk
, psk
, psk_len
);
6354 if (ssid
->mode
!= WPAS_MODE_P2P_GO
|| !ssid
->p2p_persistent_group
) {
6355 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Ignore new_psk_cb on not-persistent GO");
6359 persistent
= wpas_p2p_get_persistent(wpa_s
->parent
, NULL
, ssid
->ssid
,
6362 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Could not find persistent group information to store the new PSK");
6366 p
= os_zalloc(sizeof(*p
));
6371 os_memcpy(p
->addr
, p2p_dev_addr
, ETH_ALEN
);
6374 os_memcpy(p
->addr
, mac_addr
, ETH_ALEN
);
6376 os_memcpy(p
->psk
, psk
, psk_len
);
6378 if (dl_list_len(&persistent
->psk_list
) > P2P_MAX_STORED_CLIENTS
) {
6379 struct psk_list_entry
*last
;
6380 last
= dl_list_last(&persistent
->psk_list
,
6381 struct psk_list_entry
, list
);
6382 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Remove oldest PSK entry for "
6383 MACSTR
" (p2p=%u) to make room for a new one",
6384 MAC2STR(last
->addr
), last
->p2p
);
6385 dl_list_del(&last
->list
);
6389 wpas_p2p_remove_psk_entry(wpa_s
->parent
, persistent
,
6390 p2p_dev_addr
? p2p_dev_addr
: mac_addr
,
6391 p2p_dev_addr
== NULL
);
6393 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Add new PSK for p2p_dev_addr="
6394 MACSTR
, MAC2STR(p2p_dev_addr
));
6396 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Add new PSK for addr=" MACSTR
,
6399 dl_list_add(&persistent
->psk_list
, &p
->list
);
6401 #ifndef CONFIG_NO_CONFIG_WRITE
6402 if (wpa_s
->parent
->conf
->update_config
&&
6403 wpa_config_write(wpa_s
->parent
->confname
, wpa_s
->parent
->conf
))
6404 wpa_printf(MSG_DEBUG
, "P2P: Failed to update configuration");
6405 #endif /* CONFIG_NO_CONFIG_WRITE */
6409 static void wpas_p2p_remove_psk(struct wpa_supplicant
*wpa_s
,
6410 struct wpa_ssid
*s
, const u8
*addr
,
6415 res
= wpas_p2p_remove_psk_entry(wpa_s
, s
, addr
, iface_addr
);
6417 #ifndef CONFIG_NO_CONFIG_WRITE
6418 if (wpa_s
->conf
->update_config
&&
6419 wpa_config_write(wpa_s
->confname
, wpa_s
->conf
))
6420 wpa_dbg(wpa_s
, MSG_DEBUG
,
6421 "P2P: Failed to update configuration");
6422 #endif /* CONFIG_NO_CONFIG_WRITE */
6427 static void wpas_p2p_remove_client_go(struct wpa_supplicant
*wpa_s
,
6428 const u8
*peer
, int iface_addr
)
6430 struct hostapd_data
*hapd
;
6431 struct hostapd_wpa_psk
*psk
, *prev
, *rem
;
6432 struct sta_info
*sta
;
6434 if (wpa_s
->ap_iface
== NULL
|| wpa_s
->current_ssid
== NULL
||
6435 wpa_s
->current_ssid
->mode
!= WPAS_MODE_P2P_GO
)
6438 /* Remove per-station PSK entry */
6439 hapd
= wpa_s
->ap_iface
->bss
[0];
6441 psk
= hapd
->conf
->ssid
.wpa_psk
;
6443 if ((iface_addr
&& os_memcmp(peer
, psk
->addr
, ETH_ALEN
) == 0) ||
6445 os_memcmp(peer
, psk
->p2p_dev_addr
, ETH_ALEN
) == 0)) {
6446 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Remove operating group PSK entry for "
6447 MACSTR
" iface_addr=%d",
6448 MAC2STR(peer
), iface_addr
);
6450 prev
->next
= psk
->next
;
6452 hapd
->conf
->ssid
.wpa_psk
= psk
->next
;
6462 /* Disconnect from group */
6464 sta
= ap_get_sta(hapd
, peer
);
6466 sta
= ap_get_sta_p2p(hapd
, peer
);
6468 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Disconnect peer " MACSTR
6469 " (iface_addr=%d) from group",
6470 MAC2STR(peer
), iface_addr
);
6471 hostapd_drv_sta_deauth(hapd
, sta
->addr
,
6472 WLAN_REASON_DEAUTH_LEAVING
);
6473 ap_sta_deauthenticate(hapd
, sta
, WLAN_REASON_DEAUTH_LEAVING
);
6478 void wpas_p2p_remove_client(struct wpa_supplicant
*wpa_s
, const u8
*peer
,
6482 struct wpa_supplicant
*w
;
6484 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Remove client " MACSTR
, MAC2STR(peer
));
6486 /* Remove from any persistent group */
6487 for (s
= wpa_s
->parent
->conf
->ssid
; s
; s
= s
->next
) {
6488 if (s
->disabled
!= 2 || s
->mode
!= WPAS_MODE_P2P_GO
)
6491 wpas_remove_persistent_peer(wpa_s
, s
, peer
, 0);
6492 wpas_p2p_remove_psk(wpa_s
->parent
, s
, peer
, iface_addr
);
6495 /* Remove from any operating group */
6496 for (w
= wpa_s
->global
->ifaces
; w
; w
= w
->next
)
6497 wpas_p2p_remove_client_go(w
, peer
, iface_addr
);
6501 static void wpas_p2p_psk_failure_removal(void *eloop_ctx
, void *timeout_ctx
)
6503 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
6504 wpas_p2p_group_delete(wpa_s
, P2P_GROUP_REMOVAL_PSK_FAILURE
);
6508 static void wpas_p2p_group_freq_conflict(void *eloop_ctx
, void *timeout_ctx
)
6510 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
6512 wpa_printf(MSG_DEBUG
, "P2P: Frequency conflict - terminate group");
6513 wpas_p2p_group_delete(wpa_s
, P2P_GROUP_REMOVAL_FREQ_CONFLICT
);
6517 int wpas_p2p_handle_frequency_conflicts(struct wpa_supplicant
*wpa_s
, int freq
,
6518 struct wpa_ssid
*ssid
)
6520 struct wpa_supplicant
*iface
;
6522 for (iface
= wpa_s
->global
->ifaces
; iface
; iface
= iface
->next
) {
6523 if (!iface
->current_ssid
||
6524 iface
->current_ssid
->frequency
== freq
||
6525 (iface
->p2p_group_interface
== NOT_P2P_GROUP_INTERFACE
&&
6526 !iface
->current_ssid
->p2p_group
))
6529 /* Remove the connection with least priority */
6530 if (!wpas_is_p2p_prioritized(iface
)) {
6531 /* STA connection has priority over existing
6532 * P2P connection, so remove the interface. */
6533 wpa_printf(MSG_DEBUG
, "P2P: Removing P2P connection due to single channel concurrent mode frequency conflict");
6534 eloop_register_timeout(0, 0,
6535 wpas_p2p_group_freq_conflict
,
6537 /* If connection in progress is P2P connection, do not
6538 * proceed for the connection. */
6544 /* P2P connection has priority, disable the STA network
6546 wpa_supplicant_disable_network(wpa_s
->global
->ifaces
,
6548 wpa_msg(wpa_s
->global
->ifaces
, MSG_INFO
,
6549 WPA_EVENT_FREQ_CONFLICT
" id=%d", ssid
->id
);
6550 os_memset(wpa_s
->global
->ifaces
->pending_bssid
, 0,
6552 /* If P2P connection is in progress, continue
6565 int wpas_p2p_4way_hs_failed(struct wpa_supplicant
*wpa_s
)
6567 struct wpa_ssid
*ssid
= wpa_s
->current_ssid
;
6569 if (ssid
== NULL
|| !ssid
->p2p_group
)
6572 if (wpa_s
->p2p_last_4way_hs_fail
&&
6573 wpa_s
->p2p_last_4way_hs_fail
== ssid
) {
6574 u8 go_dev_addr
[ETH_ALEN
];
6575 struct wpa_ssid
*persistent
;
6577 if (wpas_p2p_persistent_group(wpa_s
, go_dev_addr
,
6579 ssid
->ssid_len
) <= 0) {
6580 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Could not determine whether 4-way handshake failures were for a persistent group");
6584 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Two 4-way handshake failures for a P2P group - go_dev_addr="
6585 MACSTR
, MAC2STR(go_dev_addr
));
6586 persistent
= wpas_p2p_get_persistent(wpa_s
->parent
, go_dev_addr
,
6589 if (persistent
== NULL
|| persistent
->mode
!= WPAS_MODE_INFRA
) {
6590 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: No matching persistent group stored");
6593 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
6594 P2P_EVENT_PERSISTENT_PSK_FAIL
"%d",
6597 wpa_s
->p2p_last_4way_hs_fail
= NULL
;
6599 * Remove the group from a timeout to avoid issues with caller
6600 * continuing to use the interface if this is on a P2P group
6603 eloop_register_timeout(0, 0, wpas_p2p_psk_failure_removal
,
6608 wpa_s
->p2p_last_4way_hs_fail
= ssid
;