3 * Copyright (c) 2009-2010, Atheros Communications
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
13 #include "common/ieee802_11_common.h"
14 #include "common/ieee802_11_defs.h"
15 #include "common/wpa_ctrl.h"
16 #include "wps/wps_i.h"
18 #include "ap/hostapd.h"
19 #include "ap/ap_config.h"
20 #include "ap/sta_info.h"
21 #include "ap/ap_drv_ops.h"
22 #include "ap/p2p_hostapd.h"
23 #include "eapol_supp/eapol_supp_sm.h"
24 #include "rsn_supp/wpa.h"
25 #include "wpa_supplicant_i.h"
28 #include "config_ssid.h"
33 #include "offchannel.h"
34 #include "wps_supplicant.h"
35 #include "p2p_supplicant.h"
39 * How many times to try to scan to find the GO before giving up on join
42 #define P2P_MAX_JOIN_SCAN_ATTEMPTS 10
44 #define P2P_AUTO_PD_SCAN_ATTEMPTS 5
46 #ifndef P2P_MAX_CLIENT_IDLE
48 * How many seconds to try to reconnect to the GO when connection in P2P client
51 #define P2P_MAX_CLIENT_IDLE 10
52 #endif /* P2P_MAX_CLIENT_IDLE */
54 #ifndef P2P_MAX_INITIAL_CONN_WAIT
56 * How many seconds to wait for initial 4-way handshake to get completed after
57 * WPS provisioning step.
59 #define P2P_MAX_INITIAL_CONN_WAIT 10
60 #endif /* P2P_MAX_INITIAL_CONN_WAIT */
62 #ifndef P2P_MAX_INITIAL_CONN_WAIT_GO
64 * How many seconds to wait for initial 4-way handshake to get completed after
65 * WPS provisioning step on the GO. This controls the extra time the P2P
66 * operation is considered to be in progress (e.g., to delay other scans) after
67 * WPS provisioning has been completed on the GO during group formation.
69 #define P2P_MAX_INITIAL_CONN_WAIT_GO 10
70 #endif /* P2P_MAX_INITIAL_CONN_WAIT_GO */
72 #ifndef P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE
74 * How many seconds to wait for initial 4-way handshake to get completed after
75 * re-invocation of a persistent group on the GO when the client is expected
76 * to connect automatically (no user interaction).
78 #define P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE 15
79 #endif /* P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE */
81 #ifndef P2P_CONCURRENT_SEARCH_DELAY
82 #define P2P_CONCURRENT_SEARCH_DELAY 500
83 #endif /* P2P_CONCURRENT_SEARCH_DELAY */
85 #define P2P_MGMT_DEVICE_PREFIX "p2p-dev-"
87 enum p2p_group_removal_reason
{
88 P2P_GROUP_REMOVAL_UNKNOWN
,
89 P2P_GROUP_REMOVAL_SILENT
,
90 P2P_GROUP_REMOVAL_FORMATION_FAILED
,
91 P2P_GROUP_REMOVAL_REQUESTED
,
92 P2P_GROUP_REMOVAL_IDLE_TIMEOUT
,
93 P2P_GROUP_REMOVAL_UNAVAILABLE
,
94 P2P_GROUP_REMOVAL_GO_ENDING_SESSION
,
95 P2P_GROUP_REMOVAL_PSK_FAILURE
99 static void wpas_p2p_long_listen_timeout(void *eloop_ctx
, void *timeout_ctx
);
100 static struct wpa_supplicant
*
101 wpas_p2p_get_group_iface(struct wpa_supplicant
*wpa_s
, int addr_allocated
,
103 static int wpas_p2p_join_start(struct wpa_supplicant
*wpa_s
);
104 static void wpas_p2p_join_scan_req(struct wpa_supplicant
*wpa_s
, int freq
);
105 static void wpas_p2p_join_scan(void *eloop_ctx
, void *timeout_ctx
);
106 static int wpas_p2p_join(struct wpa_supplicant
*wpa_s
, const u8
*iface_addr
,
107 const u8
*dev_addr
, enum p2p_wps_method wps_method
,
109 static int wpas_p2p_create_iface(struct wpa_supplicant
*wpa_s
);
110 static void wpas_p2p_cross_connect_setup(struct wpa_supplicant
*wpa_s
);
111 static void wpas_p2p_group_idle_timeout(void *eloop_ctx
, void *timeout_ctx
);
112 static void wpas_p2p_set_group_idle_timeout(struct wpa_supplicant
*wpa_s
);
113 static void wpas_p2p_group_formation_timeout(void *eloop_ctx
,
115 static void wpas_p2p_fallback_to_go_neg(struct wpa_supplicant
*wpa_s
,
117 static int wpas_p2p_stop_find_oper(struct wpa_supplicant
*wpa_s
);
121 * Get the number of concurrent channels that the HW can operate, but that are
122 * currently not in use by any of the wpa_supplicant interfaces.
124 static int wpas_p2p_num_unused_channels(struct wpa_supplicant
*wpa_s
)
129 freqs
= os_calloc(wpa_s
->num_multichan_concurrent
, sizeof(int));
133 num
= get_shared_radio_freqs(wpa_s
, freqs
,
134 wpa_s
->num_multichan_concurrent
);
137 return wpa_s
->num_multichan_concurrent
- num
;
142 * Get the frequencies that are currently in use by one or more of the virtual
143 * interfaces, and that are also valid for P2P operation.
145 static int wpas_p2p_valid_oper_freqs(struct wpa_supplicant
*wpa_s
,
146 int *p2p_freqs
, unsigned int len
)
149 unsigned int num
, i
, j
;
151 freqs
= os_calloc(wpa_s
->num_multichan_concurrent
, sizeof(int));
155 num
= get_shared_radio_freqs(wpa_s
, freqs
,
156 wpa_s
->num_multichan_concurrent
);
158 os_memset(p2p_freqs
, 0, sizeof(int) * len
);
160 for (i
= 0, j
= 0; i
< num
&& j
< len
; i
++) {
161 if (p2p_supported_freq(wpa_s
->global
->p2p
, freqs
[i
]))
162 p2p_freqs
[j
++] = freqs
[i
];
171 static void wpas_p2p_set_own_freq_preference(struct wpa_supplicant
*wpa_s
,
174 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
176 if (freq
> 0 && wpa_s
->num_multichan_concurrent
> 1 &&
177 wpas_p2p_num_unused_channels(wpa_s
) > 0 &&
178 wpa_s
->parent
->conf
->p2p_ignore_shared_freq
)
180 p2p_set_own_freq_preference(wpa_s
->global
->p2p
, freq
);
184 static void wpas_p2p_scan_res_handler(struct wpa_supplicant
*wpa_s
,
185 struct wpa_scan_results
*scan_res
)
189 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
192 wpa_printf(MSG_DEBUG
, "P2P: Scan results received (%d BSS)",
193 (int) scan_res
->num
);
195 for (i
= 0; i
< scan_res
->num
; i
++) {
196 struct wpa_scan_res
*bss
= scan_res
->res
[i
];
197 struct os_time time_tmp_age
, entry_ts
;
201 time_tmp_age
.sec
= bss
->age
/ 1000;
202 time_tmp_age
.usec
= (bss
->age
% 1000) * 1000;
203 os_time_sub(&scan_res
->fetch_time
, &time_tmp_age
, &entry_ts
);
205 ies
= (const u8
*) (bss
+ 1);
206 ies_len
= bss
->ie_len
;
207 if (bss
->beacon_ie_len
> 0 &&
208 !wpa_scan_get_vendor_ie(bss
, P2P_IE_VENDOR_TYPE
) &&
209 wpa_scan_get_vendor_ie_beacon(bss
, P2P_IE_VENDOR_TYPE
)) {
210 wpa_printf(MSG_DEBUG
, "P2P: Use P2P IE(s) from Beacon frame since no P2P IE(s) in Probe Response frames received for "
211 MACSTR
, MAC2STR(bss
->bssid
));
213 ies_len
= bss
->beacon_ie_len
;
217 if (p2p_scan_res_handler(wpa_s
->global
->p2p
, bss
->bssid
,
218 bss
->freq
, &entry_ts
, bss
->level
,
223 p2p_scan_res_handled(wpa_s
->global
->p2p
);
227 static int wpas_p2p_scan(void *ctx
, enum p2p_scan_type type
, int freq
,
228 unsigned int num_req_dev_types
,
229 const u8
*req_dev_types
, const u8
*dev_id
, u16 pw_id
)
231 struct wpa_supplicant
*wpa_s
= ctx
;
232 struct wpa_supplicant
*ifs
;
233 struct wpa_driver_scan_params params
;
235 struct wpabuf
*wps_ie
, *ies
;
236 int social_channels
[] = { 2412, 2437, 2462, 0, 0 };
239 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
242 for (ifs
= wpa_s
->global
->ifaces
; ifs
; ifs
= ifs
->next
) {
243 if (ifs
->sta_scan_pending
&&
244 (wpas_scan_scheduled(ifs
) || ifs
->scanning
) &&
245 wpas_p2p_in_progress(wpa_s
) == 2) {
246 wpa_printf(MSG_DEBUG
, "Delaying P2P scan to allow "
247 "pending station mode scan to be "
248 "completed on interface %s", ifs
->ifname
);
249 wpa_s
->global
->p2p_cb_on_scan_complete
= 1;
250 wpa_supplicant_req_scan(ifs
, 0, 0);
255 os_memset(¶ms
, 0, sizeof(params
));
257 /* P2P Wildcard SSID */
258 params
.num_ssids
= 1;
259 params
.ssids
[0].ssid
= (u8
*) P2P_WILDCARD_SSID
;
260 params
.ssids
[0].ssid_len
= P2P_WILDCARD_SSID_LEN
;
262 wpa_s
->wps
->dev
.p2p
= 1;
263 wps_ie
= wps_build_probe_req_ie(pw_id
, &wpa_s
->wps
->dev
,
264 wpa_s
->wps
->uuid
, WPS_REQ_ENROLLEE
,
265 num_req_dev_types
, req_dev_types
);
269 ielen
= p2p_scan_ie_buf_len(wpa_s
->global
->p2p
);
270 ies
= wpabuf_alloc(wpabuf_len(wps_ie
) + ielen
);
275 wpabuf_put_buf(ies
, wps_ie
);
278 p2p_scan_ie(wpa_s
->global
->p2p
, ies
, dev_id
);
280 params
.p2p_probe
= 1;
281 params
.extra_ies
= wpabuf_head(ies
);
282 params
.extra_ies_len
= wpabuf_len(ies
);
285 case P2P_SCAN_SOCIAL
:
286 params
.freqs
= social_channels
;
290 case P2P_SCAN_SOCIAL_PLUS_ONE
:
291 social_channels
[3] = freq
;
292 params
.freqs
= social_channels
;
296 ret
= wpa_drv_scan(wpa_s
, ¶ms
);
301 for (ifs
= wpa_s
->global
->ifaces
; ifs
; ifs
= ifs
->next
) {
303 ifs
->scan_res_handler
== wpas_p2p_scan_res_handler
) {
304 wpa_s
->global
->p2p_cb_on_scan_complete
= 1;
310 os_get_time(&wpa_s
->scan_trigger_time
);
311 wpa_s
->scan_res_handler
= wpas_p2p_scan_res_handler
;
318 static enum wpa_driver_if_type
wpas_p2p_if_type(int p2p_group_interface
)
320 switch (p2p_group_interface
) {
321 case P2P_GROUP_INTERFACE_PENDING
:
322 return WPA_IF_P2P_GROUP
;
323 case P2P_GROUP_INTERFACE_GO
:
324 return WPA_IF_P2P_GO
;
325 case P2P_GROUP_INTERFACE_CLIENT
:
326 return WPA_IF_P2P_CLIENT
;
329 return WPA_IF_P2P_GROUP
;
333 static struct wpa_supplicant
* wpas_get_p2p_group(struct wpa_supplicant
*wpa_s
,
335 size_t ssid_len
, int *go
)
339 for (wpa_s
= wpa_s
->global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
340 for (s
= wpa_s
->conf
->ssid
; s
; s
= s
->next
) {
341 if (s
->disabled
!= 0 || !s
->p2p_group
||
342 s
->ssid_len
!= ssid_len
||
343 os_memcmp(ssid
, s
->ssid
, ssid_len
) != 0)
345 if (s
->mode
== WPAS_MODE_P2P_GO
&&
346 s
!= wpa_s
->current_ssid
)
349 *go
= s
->mode
== WPAS_MODE_P2P_GO
;
358 static int wpas_p2p_group_delete(struct wpa_supplicant
*wpa_s
,
359 enum p2p_group_removal_reason removal_reason
)
361 struct wpa_ssid
*ssid
;
365 ssid
= wpa_s
->current_ssid
;
368 * The current SSID was not known, but there may still be a
369 * pending P2P group interface waiting for provisioning or a
370 * P2P group that is trying to reconnect.
372 ssid
= wpa_s
->conf
->ssid
;
374 if (ssid
->p2p_group
&& ssid
->disabled
!= 2)
379 wpa_s
->p2p_group_interface
== NOT_P2P_GROUP_INTERFACE
)
381 wpa_printf(MSG_ERROR
, "P2P: P2P group interface "
386 if (wpa_s
->p2p_group_interface
== P2P_GROUP_INTERFACE_GO
)
388 else if (wpa_s
->p2p_group_interface
== P2P_GROUP_INTERFACE_CLIENT
||
389 (ssid
&& ssid
->mode
== WPAS_MODE_INFRA
)) {
390 wpa_s
->reassociate
= 0;
391 wpa_s
->disconnected
= 1;
392 wpa_supplicant_deauthenticate(wpa_s
,
393 WLAN_REASON_DEAUTH_LEAVING
);
397 if (wpa_s
->cross_connect_in_use
) {
398 wpa_s
->cross_connect_in_use
= 0;
399 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
400 P2P_EVENT_CROSS_CONNECT_DISABLE
"%s %s",
401 wpa_s
->ifname
, wpa_s
->cross_connect_uplink
);
403 switch (removal_reason
) {
404 case P2P_GROUP_REMOVAL_REQUESTED
:
405 reason
= " reason=REQUESTED";
407 case P2P_GROUP_REMOVAL_FORMATION_FAILED
:
408 reason
= " reason=FORMATION_FAILED";
410 case P2P_GROUP_REMOVAL_IDLE_TIMEOUT
:
411 reason
= " reason=IDLE";
413 case P2P_GROUP_REMOVAL_UNAVAILABLE
:
414 reason
= " reason=UNAVAILABLE";
416 case P2P_GROUP_REMOVAL_GO_ENDING_SESSION
:
417 reason
= " reason=GO_ENDING_SESSION";
419 case P2P_GROUP_REMOVAL_PSK_FAILURE
:
420 reason
= " reason=PSK_FAILURE";
426 if (removal_reason
!= P2P_GROUP_REMOVAL_SILENT
) {
427 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
428 P2P_EVENT_GROUP_REMOVED
"%s %s%s",
429 wpa_s
->ifname
, gtype
, reason
);
432 if (eloop_cancel_timeout(wpas_p2p_group_idle_timeout
, wpa_s
, NULL
) > 0)
433 wpa_printf(MSG_DEBUG
, "P2P: Cancelled P2P group idle timeout");
434 if (eloop_cancel_timeout(wpas_p2p_group_formation_timeout
,
435 wpa_s
->parent
, NULL
) > 0) {
436 wpa_printf(MSG_DEBUG
, "P2P: Cancelled P2P group formation "
438 wpa_s
->p2p_in_provisioning
= 0;
442 * Make sure wait for the first client does not remain active after the
443 * group has been removed.
445 wpa_s
->global
->p2p_go_wait_client
.sec
= 0;
447 if (removal_reason
!= P2P_GROUP_REMOVAL_SILENT
&& ssid
)
448 wpas_notify_p2p_group_removed(wpa_s
, ssid
, gtype
);
450 if (wpa_s
->p2p_group_interface
!= NOT_P2P_GROUP_INTERFACE
) {
451 struct wpa_global
*global
;
453 enum wpa_driver_if_type type
;
454 wpa_printf(MSG_DEBUG
, "P2P: Remove group interface %s",
456 global
= wpa_s
->global
;
457 ifname
= os_strdup(wpa_s
->ifname
);
458 type
= wpas_p2p_if_type(wpa_s
->p2p_group_interface
);
459 wpa_supplicant_remove_iface(wpa_s
->global
, wpa_s
, 0);
460 wpa_s
= global
->ifaces
;
462 wpa_drv_if_remove(wpa_s
, type
, ifname
);
467 if (!wpa_s
->p2p_go_group_formation_completed
) {
468 wpa_s
->global
->p2p_group_formation
= NULL
;
469 wpa_s
->p2p_in_provisioning
= 0;
472 wpa_printf(MSG_DEBUG
, "P2P: Remove temporary group network");
473 if (ssid
&& (ssid
->p2p_group
||
474 ssid
->mode
== WPAS_MODE_P2P_GROUP_FORMATION
||
475 (ssid
->key_mgmt
& WPA_KEY_MGMT_WPS
))) {
477 if (ssid
== wpa_s
->current_ssid
) {
478 wpa_sm_set_config(wpa_s
->wpa
, NULL
);
479 eapol_sm_notify_config(wpa_s
->eapol
, NULL
, NULL
);
480 wpa_s
->current_ssid
= NULL
;
483 * Networks objects created during any P2P activities are not
484 * exposed out as they might/will confuse certain non-P2P aware
485 * applications since these network objects won't behave like
488 * Likewise, we don't send out network removed signals for such
491 wpa_config_remove_network(wpa_s
->conf
, id
);
492 wpa_supplicant_clear_status(wpa_s
);
493 wpa_supplicant_cancel_sched_scan(wpa_s
);
494 wpa_s
->sta_scan_pending
= 0;
496 wpa_printf(MSG_DEBUG
, "P2P: Temporary group network not "
500 wpa_supplicant_ap_deinit(wpa_s
);
502 wpa_drv_deinit_p2p_cli(wpa_s
);
508 static int wpas_p2p_persistent_group(struct wpa_supplicant
*wpa_s
,
510 const u8
*ssid
, size_t ssid_len
)
518 if (wpa_s
->go_params
)
519 bssid
= wpa_s
->go_params
->peer_interface_addr
;
521 bssid
= wpa_s
->bssid
;
523 bss
= wpa_bss_get(wpa_s
, bssid
, ssid
, ssid_len
);
525 u8 iface_addr
[ETH_ALEN
];
526 if (p2p_get_interface_addr(wpa_s
->global
->p2p
, bssid
,
528 bss
= wpa_bss_get(wpa_s
, iface_addr
, ssid
, ssid_len
);
531 wpa_printf(MSG_DEBUG
, "P2P: Could not figure out whether "
532 "group is persistent - BSS " MACSTR
" not found",
537 p2p
= wpa_bss_get_vendor_ie_multi(bss
, P2P_IE_VENDOR_TYPE
);
539 p2p
= wpa_bss_get_vendor_ie_multi_beacon(bss
,
542 wpa_printf(MSG_DEBUG
, "P2P: Could not figure out whether "
543 "group is persistent - BSS " MACSTR
544 " did not include P2P IE", MAC2STR(bssid
));
545 wpa_hexdump(MSG_DEBUG
, "P2P: Probe Response IEs",
546 (u8
*) (bss
+ 1), bss
->ie_len
);
547 wpa_hexdump(MSG_DEBUG
, "P2P: Beacon IEs",
548 ((u8
*) bss
+ 1) + bss
->ie_len
,
553 group_capab
= p2p_get_group_capab(p2p
);
554 addr
= p2p_get_go_dev_addr(p2p
);
555 wpa_printf(MSG_DEBUG
, "P2P: Checking whether group is persistent: "
556 "group_capab=0x%x", group_capab
);
558 os_memcpy(go_dev_addr
, addr
, ETH_ALEN
);
559 wpa_printf(MSG_DEBUG
, "P2P: GO Device Address " MACSTR
,
562 os_memset(go_dev_addr
, 0, ETH_ALEN
);
565 wpa_printf(MSG_DEBUG
, "P2P: BSS " MACSTR
" group_capab=0x%x "
566 "go_dev_addr=" MACSTR
,
567 MAC2STR(bssid
), group_capab
, MAC2STR(go_dev_addr
));
569 return group_capab
& P2P_GROUP_CAPAB_PERSISTENT_GROUP
;
573 static int wpas_p2p_store_persistent_group(struct wpa_supplicant
*wpa_s
,
574 struct wpa_ssid
*ssid
,
575 const u8
*go_dev_addr
)
580 wpa_printf(MSG_DEBUG
, "P2P: Storing credentials for a persistent "
581 "group (GO Dev Addr " MACSTR
")", MAC2STR(go_dev_addr
));
582 for (s
= wpa_s
->conf
->ssid
; s
; s
= s
->next
) {
583 if (s
->disabled
== 2 &&
584 os_memcmp(go_dev_addr
, s
->bssid
, ETH_ALEN
) == 0 &&
585 s
->ssid_len
== ssid
->ssid_len
&&
586 os_memcmp(ssid
->ssid
, s
->ssid
, ssid
->ssid_len
) == 0)
591 wpa_printf(MSG_DEBUG
, "P2P: Update existing persistent group "
593 if (ssid
->passphrase
&& !s
->passphrase
)
595 else if (ssid
->passphrase
&& s
->passphrase
&&
596 os_strcmp(ssid
->passphrase
, s
->passphrase
) != 0)
599 wpa_printf(MSG_DEBUG
, "P2P: Create a new persistent group "
602 s
= wpa_config_add_network(wpa_s
->conf
);
607 * Instead of network_added we emit persistent_group_added
608 * notification. Also to keep the defense checks in
609 * persistent_group obj registration method, we set the
610 * relevant flags in s to designate it as a persistent group.
613 s
->p2p_persistent_group
= 1;
614 wpas_notify_persistent_group_added(wpa_s
, s
);
615 wpa_config_set_network_defaults(s
);
619 s
->p2p_persistent_group
= 1;
622 os_memcpy(s
->bssid
, go_dev_addr
, ETH_ALEN
);
623 s
->mode
= ssid
->mode
;
624 s
->auth_alg
= WPA_AUTH_ALG_OPEN
;
625 s
->key_mgmt
= WPA_KEY_MGMT_PSK
;
626 s
->proto
= WPA_PROTO_RSN
;
627 s
->pairwise_cipher
= WPA_CIPHER_CCMP
;
629 if (ssid
->passphrase
) {
630 os_free(s
->passphrase
);
631 s
->passphrase
= os_strdup(ssid
->passphrase
);
635 os_memcpy(s
->psk
, ssid
->psk
, 32);
637 if (s
->passphrase
&& !s
->psk_set
)
638 wpa_config_update_psk(s
);
639 if (s
->ssid
== NULL
|| s
->ssid_len
< ssid
->ssid_len
) {
641 s
->ssid
= os_malloc(ssid
->ssid_len
);
644 s
->ssid_len
= ssid
->ssid_len
;
645 os_memcpy(s
->ssid
, ssid
->ssid
, s
->ssid_len
);
647 if (ssid
->mode
== WPAS_MODE_P2P_GO
&& wpa_s
->global
->add_psk
) {
648 dl_list_add(&s
->psk_list
, &wpa_s
->global
->add_psk
->list
);
649 wpa_s
->global
->add_psk
= NULL
;
653 #ifndef CONFIG_NO_CONFIG_WRITE
654 if (changed
&& wpa_s
->conf
->update_config
&&
655 wpa_config_write(wpa_s
->confname
, wpa_s
->conf
)) {
656 wpa_printf(MSG_DEBUG
, "P2P: Failed to update configuration");
658 #endif /* CONFIG_NO_CONFIG_WRITE */
664 static void wpas_p2p_add_persistent_group_client(struct wpa_supplicant
*wpa_s
,
667 struct wpa_ssid
*ssid
, *s
;
672 ssid
= wpa_s
->current_ssid
;
673 if (ssid
== NULL
|| ssid
->mode
!= WPAS_MODE_P2P_GO
||
674 !ssid
->p2p_persistent_group
)
677 for (s
= wpa_s
->parent
->conf
->ssid
; s
; s
= s
->next
) {
678 if (s
->disabled
!= 2 || s
->mode
!= WPAS_MODE_P2P_GO
)
681 if (s
->ssid_len
== ssid
->ssid_len
&&
682 os_memcmp(s
->ssid
, ssid
->ssid
, s
->ssid_len
) == 0)
689 for (i
= 0; s
->p2p_client_list
&& i
< s
->num_p2p_clients
; i
++) {
690 if (os_memcmp(s
->p2p_client_list
+ i
* ETH_ALEN
, addr
,
694 if (i
== s
->num_p2p_clients
- 1)
695 return; /* already the most recent entry */
697 /* move the entry to mark it most recent */
698 os_memmove(s
->p2p_client_list
+ i
* ETH_ALEN
,
699 s
->p2p_client_list
+ (i
+ 1) * ETH_ALEN
,
700 (s
->num_p2p_clients
- i
- 1) * ETH_ALEN
);
701 os_memcpy(s
->p2p_client_list
+
702 (s
->num_p2p_clients
- 1) * ETH_ALEN
, addr
, ETH_ALEN
);
707 if (!found
&& s
->num_p2p_clients
< P2P_MAX_STORED_CLIENTS
) {
708 n
= os_realloc_array(s
->p2p_client_list
,
709 s
->num_p2p_clients
+ 1, ETH_ALEN
);
712 os_memcpy(n
+ s
->num_p2p_clients
* ETH_ALEN
, addr
, ETH_ALEN
);
713 s
->p2p_client_list
= n
;
714 s
->num_p2p_clients
++;
716 /* Not enough room for an additional entry - drop the oldest
718 os_memmove(s
->p2p_client_list
,
719 s
->p2p_client_list
+ ETH_ALEN
,
720 (s
->num_p2p_clients
- 1) * ETH_ALEN
);
721 os_memcpy(s
->p2p_client_list
+
722 (s
->num_p2p_clients
- 1) * ETH_ALEN
,
726 #ifndef CONFIG_NO_CONFIG_WRITE
727 if (wpa_s
->parent
->conf
->update_config
&&
728 wpa_config_write(wpa_s
->parent
->confname
, wpa_s
->parent
->conf
))
729 wpa_printf(MSG_DEBUG
, "P2P: Failed to update configuration");
730 #endif /* CONFIG_NO_CONFIG_WRITE */
734 static void wpas_group_formation_completed(struct wpa_supplicant
*wpa_s
,
737 struct wpa_ssid
*ssid
;
738 const char *ssid_txt
;
741 u8 go_dev_addr
[ETH_ALEN
];
745 * This callback is likely called for the main interface. Update wpa_s
746 * to use the group interface if a new interface was created for the
749 if (wpa_s
->global
->p2p_group_formation
)
750 wpa_s
= wpa_s
->global
->p2p_group_formation
;
751 if (wpa_s
->p2p_go_group_formation_completed
) {
752 wpa_s
->global
->p2p_group_formation
= NULL
;
753 wpa_s
->p2p_in_provisioning
= 0;
757 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
758 P2P_EVENT_GROUP_FORMATION_FAILURE
);
759 wpas_p2p_group_delete(wpa_s
,
760 P2P_GROUP_REMOVAL_FORMATION_FAILED
);
764 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
765 P2P_EVENT_GROUP_FORMATION_SUCCESS
);
767 ssid
= wpa_s
->current_ssid
;
768 if (ssid
&& ssid
->mode
== WPAS_MODE_P2P_GROUP_FORMATION
) {
769 ssid
->mode
= WPAS_MODE_P2P_GO
;
770 p2p_group_notif_formation_done(wpa_s
->p2p_group
);
771 wpa_supplicant_ap_mac_addr_filter(wpa_s
, NULL
);
776 ssid_txt
= wpa_ssid_txt(ssid
->ssid
, ssid
->ssid_len
);
777 client
= ssid
->mode
== WPAS_MODE_INFRA
;
778 if (ssid
->mode
== WPAS_MODE_P2P_GO
) {
779 persistent
= ssid
->p2p_persistent_group
;
780 os_memcpy(go_dev_addr
, wpa_s
->global
->p2p_dev_addr
,
783 persistent
= wpas_p2p_persistent_group(wpa_s
,
789 client
= wpa_s
->p2p_group_interface
==
790 P2P_GROUP_INTERFACE_CLIENT
;
791 os_memset(go_dev_addr
, 0, ETH_ALEN
);
794 wpa_s
->show_group_started
= 0;
797 * Indicate event only after successfully completed 4-way
798 * handshake, i.e., when the interface is ready for data
801 wpa_s
->show_group_started
= 1;
802 } else if (ssid
&& ssid
->passphrase
== NULL
&& ssid
->psk_set
) {
804 wpa_snprintf_hex(psk
, sizeof(psk
), ssid
->psk
, 32);
805 wpa_msg_global(wpa_s
->parent
, MSG_INFO
, P2P_EVENT_GROUP_STARTED
806 "%s GO ssid=\"%s\" freq=%d psk=%s go_dev_addr="
808 wpa_s
->ifname
, ssid_txt
, ssid
->frequency
, psk
,
809 MAC2STR(go_dev_addr
),
810 persistent
? " [PERSISTENT]" : "");
811 wpas_p2p_cross_connect_setup(wpa_s
);
812 wpas_p2p_set_group_idle_timeout(wpa_s
);
814 wpa_msg_global(wpa_s
->parent
, MSG_INFO
, P2P_EVENT_GROUP_STARTED
815 "%s GO ssid=\"%s\" freq=%d passphrase=\"%s\" "
816 "go_dev_addr=" MACSTR
"%s",
817 wpa_s
->ifname
, ssid_txt
,
818 ssid
? ssid
->frequency
: 0,
819 ssid
&& ssid
->passphrase
? ssid
->passphrase
: "",
820 MAC2STR(go_dev_addr
),
821 persistent
? " [PERSISTENT]" : "");
822 wpas_p2p_cross_connect_setup(wpa_s
);
823 wpas_p2p_set_group_idle_timeout(wpa_s
);
827 network_id
= wpas_p2p_store_persistent_group(wpa_s
->parent
,
830 os_free(wpa_s
->global
->add_psk
);
831 wpa_s
->global
->add_psk
= NULL
;
833 if (network_id
< 0 && ssid
)
834 network_id
= ssid
->id
;
836 wpas_notify_p2p_group_started(wpa_s
, ssid
, network_id
, 0);
837 os_get_time(&wpa_s
->global
->p2p_go_wait_client
);
842 static void wpas_p2p_send_action_tx_status(struct wpa_supplicant
*wpa_s
,
844 const u8
*dst
, const u8
*src
,
846 const u8
*data
, size_t data_len
,
847 enum offchannel_send_action_result
850 enum p2p_send_action_result res
= P2P_SEND_ACTION_SUCCESS
;
852 if (wpa_s
->global
->p2p
== NULL
|| wpa_s
->global
->p2p_disabled
)
854 if (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_P2P_MGMT
)
858 case OFFCHANNEL_SEND_ACTION_SUCCESS
:
859 res
= P2P_SEND_ACTION_SUCCESS
;
861 case OFFCHANNEL_SEND_ACTION_NO_ACK
:
862 res
= P2P_SEND_ACTION_NO_ACK
;
864 case OFFCHANNEL_SEND_ACTION_FAILED
:
865 res
= P2P_SEND_ACTION_FAILED
;
869 p2p_send_action_cb(wpa_s
->global
->p2p
, freq
, dst
, src
, bssid
, res
);
871 if (result
!= OFFCHANNEL_SEND_ACTION_SUCCESS
&&
872 wpa_s
->pending_pd_before_join
&&
873 (os_memcmp(dst
, wpa_s
->pending_join_dev_addr
, ETH_ALEN
) == 0 ||
874 os_memcmp(dst
, wpa_s
->pending_join_iface_addr
, ETH_ALEN
) == 0) &&
875 wpa_s
->p2p_fallback_to_go_neg
) {
876 wpa_s
->pending_pd_before_join
= 0;
877 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: No ACK for PD Req "
878 "during p2p_connect-auto");
879 wpas_p2p_fallback_to_go_neg(wpa_s
, 0);
885 static int wpas_send_action(void *ctx
, unsigned int freq
, const u8
*dst
,
886 const u8
*src
, const u8
*bssid
, const u8
*buf
,
887 size_t len
, unsigned int wait_time
)
889 struct wpa_supplicant
*wpa_s
= ctx
;
890 return offchannel_send_action(wpa_s
, freq
, dst
, src
, bssid
, buf
, len
,
892 wpas_p2p_send_action_tx_status
, 1);
896 static void wpas_send_action_done(void *ctx
)
898 struct wpa_supplicant
*wpa_s
= ctx
;
899 offchannel_send_action_done(wpa_s
);
903 static int wpas_copy_go_neg_results(struct wpa_supplicant
*wpa_s
,
904 struct p2p_go_neg_results
*params
)
906 if (wpa_s
->go_params
== NULL
) {
907 wpa_s
->go_params
= os_malloc(sizeof(*params
));
908 if (wpa_s
->go_params
== NULL
)
911 os_memcpy(wpa_s
->go_params
, params
, sizeof(*params
));
916 static void wpas_start_wps_enrollee(struct wpa_supplicant
*wpa_s
,
917 struct p2p_go_neg_results
*res
)
919 wpa_printf(MSG_DEBUG
, "P2P: Start WPS Enrollee for peer " MACSTR
,
920 MAC2STR(res
->peer_interface_addr
));
921 wpa_hexdump_ascii(MSG_DEBUG
, "P2P: Start WPS Enrollee for SSID",
922 res
->ssid
, res
->ssid_len
);
923 wpa_supplicant_ap_deinit(wpa_s
);
924 wpas_copy_go_neg_results(wpa_s
, res
);
925 if (res
->wps_method
== WPS_PBC
)
926 wpas_wps_start_pbc(wpa_s
, res
->peer_interface_addr
, 1);
928 u16 dev_pw_id
= DEV_PW_DEFAULT
;
929 if (wpa_s
->p2p_wps_method
== WPS_PIN_KEYPAD
)
930 dev_pw_id
= DEV_PW_REGISTRAR_SPECIFIED
;
931 wpas_wps_start_pin(wpa_s
, res
->peer_interface_addr
,
932 wpa_s
->p2p_pin
, 1, dev_pw_id
);
937 static void wpas_p2p_add_psk_list(struct wpa_supplicant
*wpa_s
,
938 struct wpa_ssid
*ssid
)
940 struct wpa_ssid
*persistent
;
941 struct psk_list_entry
*psk
;
942 struct hostapd_data
*hapd
;
944 if (!wpa_s
->ap_iface
)
947 persistent
= wpas_p2p_get_persistent(wpa_s
->parent
, NULL
, ssid
->ssid
,
949 if (persistent
== NULL
)
952 hapd
= wpa_s
->ap_iface
->bss
[0];
954 dl_list_for_each(psk
, &persistent
->psk_list
, struct psk_list_entry
,
956 struct hostapd_wpa_psk
*hpsk
;
958 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Add persistent group PSK entry for "
960 MAC2STR(psk
->addr
), psk
->p2p
);
961 hpsk
= os_zalloc(sizeof(*hpsk
));
964 os_memcpy(hpsk
->psk
, psk
->psk
, PMK_LEN
);
966 os_memcpy(hpsk
->p2p_dev_addr
, psk
->addr
, ETH_ALEN
);
968 os_memcpy(hpsk
->addr
, psk
->addr
, ETH_ALEN
);
969 hpsk
->next
= hapd
->conf
->ssid
.wpa_psk
;
970 hapd
->conf
->ssid
.wpa_psk
= hpsk
;
975 static void p2p_go_configured(void *ctx
, void *data
)
977 struct wpa_supplicant
*wpa_s
= ctx
;
978 struct p2p_go_neg_results
*params
= data
;
979 struct wpa_ssid
*ssid
;
982 ssid
= wpa_s
->current_ssid
;
983 if (ssid
&& ssid
->mode
== WPAS_MODE_P2P_GO
) {
984 wpa_printf(MSG_DEBUG
, "P2P: Group setup without provisioning");
985 if (wpa_s
->global
->p2p_group_formation
== wpa_s
)
986 wpa_s
->global
->p2p_group_formation
= NULL
;
987 if (os_strlen(params
->passphrase
) > 0) {
988 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
989 P2P_EVENT_GROUP_STARTED
990 "%s GO ssid=\"%s\" freq=%d "
991 "passphrase=\"%s\" go_dev_addr=" MACSTR
993 wpa_ssid_txt(ssid
->ssid
, ssid
->ssid_len
),
994 ssid
->frequency
, params
->passphrase
,
995 MAC2STR(wpa_s
->global
->p2p_dev_addr
),
996 params
->persistent_group
?
997 " [PERSISTENT]" : "");
1000 wpa_snprintf_hex(psk
, sizeof(psk
), params
->psk
,
1001 sizeof(params
->psk
));
1002 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
1003 P2P_EVENT_GROUP_STARTED
1004 "%s GO ssid=\"%s\" freq=%d psk=%s "
1005 "go_dev_addr=" MACSTR
"%s",
1007 wpa_ssid_txt(ssid
->ssid
, ssid
->ssid_len
),
1008 ssid
->frequency
, psk
,
1009 MAC2STR(wpa_s
->global
->p2p_dev_addr
),
1010 params
->persistent_group
?
1011 " [PERSISTENT]" : "");
1014 os_get_time(&wpa_s
->global
->p2p_go_wait_client
);
1015 if (params
->persistent_group
) {
1016 network_id
= wpas_p2p_store_persistent_group(
1017 wpa_s
->parent
, ssid
,
1018 wpa_s
->global
->p2p_dev_addr
);
1019 wpas_p2p_add_psk_list(wpa_s
, ssid
);
1022 network_id
= ssid
->id
;
1023 wpas_notify_p2p_group_started(wpa_s
, ssid
, network_id
, 0);
1024 wpas_p2p_cross_connect_setup(wpa_s
);
1025 wpas_p2p_set_group_idle_timeout(wpa_s
);
1027 if (wpa_s
->p2p_first_connection_timeout
) {
1028 wpa_dbg(wpa_s
, MSG_DEBUG
,
1029 "P2P: Start group formation timeout of %d seconds until first data connection on GO",
1030 wpa_s
->p2p_first_connection_timeout
);
1031 wpa_s
->p2p_go_group_formation_completed
= 0;
1032 wpa_s
->global
->p2p_group_formation
= wpa_s
;
1033 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
,
1034 wpa_s
->parent
, NULL
);
1035 eloop_register_timeout(
1036 wpa_s
->p2p_first_connection_timeout
, 0,
1037 wpas_p2p_group_formation_timeout
,
1038 wpa_s
->parent
, NULL
);
1044 wpa_printf(MSG_DEBUG
, "P2P: Setting up WPS for GO provisioning");
1045 if (wpa_supplicant_ap_mac_addr_filter(wpa_s
,
1046 params
->peer_interface_addr
)) {
1047 wpa_printf(MSG_DEBUG
, "P2P: Failed to setup MAC address "
1051 if (params
->wps_method
== WPS_PBC
)
1052 wpa_supplicant_ap_wps_pbc(wpa_s
, params
->peer_interface_addr
,
1053 params
->peer_device_addr
);
1054 else if (wpa_s
->p2p_pin
[0])
1055 wpa_supplicant_ap_wps_pin(wpa_s
, params
->peer_interface_addr
,
1056 wpa_s
->p2p_pin
, NULL
, 0, 0);
1057 os_free(wpa_s
->go_params
);
1058 wpa_s
->go_params
= NULL
;
1062 static void wpas_start_wps_go(struct wpa_supplicant
*wpa_s
,
1063 struct p2p_go_neg_results
*params
,
1064 int group_formation
)
1066 struct wpa_ssid
*ssid
;
1068 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Starting GO");
1069 if (wpas_copy_go_neg_results(wpa_s
, params
) < 0) {
1070 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Could not copy GO Negotiation "
1075 ssid
= wpa_config_add_network(wpa_s
->conf
);
1077 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Could not add network for GO");
1081 wpa_s
->show_group_started
= 0;
1083 wpa_config_set_network_defaults(ssid
);
1084 ssid
->temporary
= 1;
1085 ssid
->p2p_group
= 1;
1086 ssid
->p2p_persistent_group
= params
->persistent_group
;
1087 ssid
->mode
= group_formation
? WPAS_MODE_P2P_GROUP_FORMATION
:
1089 ssid
->frequency
= params
->freq
;
1090 ssid
->ht40
= params
->ht40
;
1091 ssid
->vht
= params
->vht
;
1092 ssid
->ssid
= os_zalloc(params
->ssid_len
+ 1);
1094 os_memcpy(ssid
->ssid
, params
->ssid
, params
->ssid_len
);
1095 ssid
->ssid_len
= params
->ssid_len
;
1097 ssid
->auth_alg
= WPA_AUTH_ALG_OPEN
;
1098 ssid
->key_mgmt
= WPA_KEY_MGMT_PSK
;
1099 ssid
->proto
= WPA_PROTO_RSN
;
1100 ssid
->pairwise_cipher
= WPA_CIPHER_CCMP
;
1101 if (os_strlen(params
->passphrase
) > 0) {
1102 ssid
->passphrase
= os_strdup(params
->passphrase
);
1103 if (ssid
->passphrase
== NULL
) {
1104 wpa_msg_global(wpa_s
, MSG_ERROR
,
1105 "P2P: Failed to copy passphrase for GO");
1106 wpa_config_remove_network(wpa_s
->conf
, ssid
->id
);
1110 ssid
->passphrase
= NULL
;
1111 ssid
->psk_set
= params
->psk_set
;
1113 os_memcpy(ssid
->psk
, params
->psk
, sizeof(ssid
->psk
));
1114 else if (ssid
->passphrase
)
1115 wpa_config_update_psk(ssid
);
1116 ssid
->ap_max_inactivity
= wpa_s
->parent
->conf
->p2p_go_max_inactivity
;
1118 wpa_s
->ap_configured_cb
= p2p_go_configured
;
1119 wpa_s
->ap_configured_cb_ctx
= wpa_s
;
1120 wpa_s
->ap_configured_cb_data
= wpa_s
->go_params
;
1121 wpa_s
->connect_without_scan
= ssid
;
1122 wpa_s
->reassociate
= 1;
1123 wpa_s
->disconnected
= 0;
1124 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Request scan (that will be skipped) to "
1126 wpa_supplicant_req_scan(wpa_s
, 0, 0);
1130 static void wpas_p2p_clone_config(struct wpa_supplicant
*dst
,
1131 const struct wpa_supplicant
*src
)
1133 struct wpa_config
*d
;
1134 const struct wpa_config
*s
;
1139 #define C(n) if (s->n) d->n = os_strdup(s->n)
1148 os_memcpy(d
->device_type
, s
->device_type
, WPS_DEV_TYPE_LEN
);
1149 os_memcpy(d
->sec_device_type
, s
->sec_device_type
,
1150 sizeof(d
->sec_device_type
));
1151 d
->num_sec_device_types
= s
->num_sec_device_types
;
1153 d
->p2p_group_idle
= s
->p2p_group_idle
;
1154 d
->p2p_intra_bss
= s
->p2p_intra_bss
;
1155 d
->persistent_reconnect
= s
->persistent_reconnect
;
1156 d
->max_num_sta
= s
->max_num_sta
;
1157 d
->pbc_in_m1
= s
->pbc_in_m1
;
1158 d
->ignore_old_scan_res
= s
->ignore_old_scan_res
;
1159 d
->beacon_int
= s
->beacon_int
;
1160 d
->disassoc_low_ack
= s
->disassoc_low_ack
;
1161 d
->disable_scan_offload
= s
->disable_scan_offload
;
1165 static void wpas_p2p_get_group_ifname(struct wpa_supplicant
*wpa_s
,
1166 char *ifname
, size_t len
)
1168 char *ifname_ptr
= wpa_s
->ifname
;
1170 if (os_strncmp(wpa_s
->ifname
, P2P_MGMT_DEVICE_PREFIX
,
1171 os_strlen(P2P_MGMT_DEVICE_PREFIX
)) == 0) {
1172 ifname_ptr
= os_strrchr(wpa_s
->ifname
, '-') + 1;
1175 os_snprintf(ifname
, len
, "p2p-%s-%d", ifname_ptr
, wpa_s
->p2p_group_idx
);
1176 if (os_strlen(ifname
) >= IFNAMSIZ
&&
1177 os_strlen(wpa_s
->ifname
) < IFNAMSIZ
) {
1178 /* Try to avoid going over the IFNAMSIZ length limit */
1179 os_snprintf(ifname
, len
, "p2p-%d", wpa_s
->p2p_group_idx
);
1184 static int wpas_p2p_add_group_interface(struct wpa_supplicant
*wpa_s
,
1185 enum wpa_driver_if_type type
)
1187 char ifname
[120], force_ifname
[120];
1189 if (wpa_s
->pending_interface_name
[0]) {
1190 wpa_printf(MSG_DEBUG
, "P2P: Pending virtual interface exists "
1191 "- skip creation of a new one");
1192 if (is_zero_ether_addr(wpa_s
->pending_interface_addr
)) {
1193 wpa_printf(MSG_DEBUG
, "P2P: Pending virtual address "
1194 "unknown?! ifname='%s'",
1195 wpa_s
->pending_interface_name
);
1201 wpas_p2p_get_group_ifname(wpa_s
, ifname
, sizeof(ifname
));
1202 force_ifname
[0] = '\0';
1204 wpa_printf(MSG_DEBUG
, "P2P: Create a new interface %s for the group",
1206 wpa_s
->p2p_group_idx
++;
1208 wpa_s
->pending_interface_type
= type
;
1209 if (wpa_drv_if_add(wpa_s
, type
, ifname
, NULL
, NULL
, force_ifname
,
1210 wpa_s
->pending_interface_addr
, NULL
) < 0) {
1211 wpa_printf(MSG_ERROR
, "P2P: Failed to create new group "
1216 if (force_ifname
[0]) {
1217 wpa_printf(MSG_DEBUG
, "P2P: Driver forced interface name %s",
1219 os_strlcpy(wpa_s
->pending_interface_name
, force_ifname
,
1220 sizeof(wpa_s
->pending_interface_name
));
1222 os_strlcpy(wpa_s
->pending_interface_name
, ifname
,
1223 sizeof(wpa_s
->pending_interface_name
));
1224 wpa_printf(MSG_DEBUG
, "P2P: Created pending virtual interface %s addr "
1225 MACSTR
, wpa_s
->pending_interface_name
,
1226 MAC2STR(wpa_s
->pending_interface_addr
));
1232 static void wpas_p2p_remove_pending_group_interface(
1233 struct wpa_supplicant
*wpa_s
)
1235 if (!wpa_s
->pending_interface_name
[0] ||
1236 is_zero_ether_addr(wpa_s
->pending_interface_addr
))
1237 return; /* No pending virtual interface */
1239 wpa_printf(MSG_DEBUG
, "P2P: Removing pending group interface %s",
1240 wpa_s
->pending_interface_name
);
1241 wpa_drv_if_remove(wpa_s
, wpa_s
->pending_interface_type
,
1242 wpa_s
->pending_interface_name
);
1243 os_memset(wpa_s
->pending_interface_addr
, 0, ETH_ALEN
);
1244 wpa_s
->pending_interface_name
[0] = '\0';
1248 static struct wpa_supplicant
*
1249 wpas_p2p_init_group_interface(struct wpa_supplicant
*wpa_s
, int go
)
1251 struct wpa_interface iface
;
1252 struct wpa_supplicant
*group_wpa_s
;
1254 if (!wpa_s
->pending_interface_name
[0]) {
1255 wpa_printf(MSG_ERROR
, "P2P: No pending group interface");
1256 if (!wpas_p2p_create_iface(wpa_s
))
1259 * Something has forced us to remove the pending interface; try
1260 * to create a new one and hope for the best that we will get
1261 * the same local address.
1263 if (wpas_p2p_add_group_interface(wpa_s
, go
? WPA_IF_P2P_GO
:
1264 WPA_IF_P2P_CLIENT
) < 0)
1268 os_memset(&iface
, 0, sizeof(iface
));
1269 iface
.ifname
= wpa_s
->pending_interface_name
;
1270 iface
.driver
= wpa_s
->driver
->name
;
1271 if (wpa_s
->conf
->ctrl_interface
== NULL
&&
1272 wpa_s
->parent
!= wpa_s
&&
1274 (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE
))
1275 iface
.ctrl_interface
= wpa_s
->parent
->conf
->ctrl_interface
;
1277 iface
.ctrl_interface
= wpa_s
->conf
->ctrl_interface
;
1278 iface
.driver_param
= wpa_s
->conf
->driver_param
;
1279 group_wpa_s
= wpa_supplicant_add_iface(wpa_s
->global
, &iface
);
1280 if (group_wpa_s
== NULL
) {
1281 wpa_printf(MSG_ERROR
, "P2P: Failed to create new "
1282 "wpa_supplicant interface");
1285 wpa_s
->pending_interface_name
[0] = '\0';
1286 group_wpa_s
->parent
= wpa_s
;
1287 group_wpa_s
->p2p_group_interface
= go
? P2P_GROUP_INTERFACE_GO
:
1288 P2P_GROUP_INTERFACE_CLIENT
;
1289 wpa_s
->global
->p2p_group_formation
= group_wpa_s
;
1291 wpas_p2p_clone_config(group_wpa_s
, wpa_s
);
1297 static void wpas_p2p_group_formation_timeout(void *eloop_ctx
,
1300 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
1301 wpa_printf(MSG_DEBUG
, "P2P: Group Formation timed out");
1302 wpas_p2p_group_formation_failed(wpa_s
);
1306 void wpas_p2p_group_formation_failed(struct wpa_supplicant
*wpa_s
)
1308 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
,
1309 wpa_s
->parent
, NULL
);
1310 if (wpa_s
->global
->p2p
)
1311 p2p_group_formation_failed(wpa_s
->global
->p2p
);
1312 else if (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_P2P_MGMT
)
1313 wpa_drv_p2p_group_formation_failed(wpa_s
);
1314 wpas_group_formation_completed(wpa_s
, 0);
1318 void wpas_p2p_ap_setup_failed(struct wpa_supplicant
*wpa_s
)
1320 if (wpa_s
->global
->p2p_group_formation
!= wpa_s
)
1322 /* Speed up group formation timeout since this cannot succeed */
1323 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
,
1324 wpa_s
->parent
, NULL
);
1325 eloop_register_timeout(0, 0, wpas_p2p_group_formation_timeout
,
1326 wpa_s
->parent
, NULL
);
1330 void wpas_go_neg_completed(void *ctx
, struct p2p_go_neg_results
*res
)
1332 struct wpa_supplicant
*wpa_s
= ctx
;
1334 if (wpa_s
->off_channel_freq
|| wpa_s
->roc_waiting_drv_freq
) {
1335 wpa_drv_cancel_remain_on_channel(wpa_s
);
1336 wpa_s
->off_channel_freq
= 0;
1337 wpa_s
->roc_waiting_drv_freq
= 0;
1341 wpa_msg_global(wpa_s
, MSG_INFO
,
1342 P2P_EVENT_GO_NEG_FAILURE
"status=%d",
1344 wpas_notify_p2p_go_neg_completed(wpa_s
, res
);
1345 wpas_p2p_remove_pending_group_interface(wpa_s
);
1349 if (wpa_s
->p2p_go_ht40
)
1351 if (wpa_s
->p2p_go_vht
)
1354 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_GO_NEG_SUCCESS
"role=%s "
1355 "freq=%d ht40=%d peer_dev=" MACSTR
" peer_iface=" MACSTR
1357 res
->role_go
? "GO" : "client", res
->freq
, res
->ht40
,
1358 MAC2STR(res
->peer_device_addr
),
1359 MAC2STR(res
->peer_interface_addr
),
1360 p2p_wps_method_text(res
->wps_method
));
1361 wpas_notify_p2p_go_neg_completed(wpa_s
, res
);
1363 if (res
->role_go
&& wpa_s
->p2p_persistent_id
>= 0) {
1364 struct wpa_ssid
*ssid
;
1365 ssid
= wpa_config_get_network(wpa_s
->conf
,
1366 wpa_s
->p2p_persistent_id
);
1367 if (ssid
&& ssid
->disabled
== 2 &&
1368 ssid
->mode
== WPAS_MODE_P2P_GO
&& ssid
->passphrase
) {
1369 size_t len
= os_strlen(ssid
->passphrase
);
1370 wpa_printf(MSG_DEBUG
, "P2P: Override passphrase based "
1371 "on requested persistent group");
1372 os_memcpy(res
->passphrase
, ssid
->passphrase
, len
);
1373 res
->passphrase
[len
] = '\0';
1377 if (wpa_s
->create_p2p_iface
) {
1378 struct wpa_supplicant
*group_wpa_s
=
1379 wpas_p2p_init_group_interface(wpa_s
, res
->role_go
);
1380 if (group_wpa_s
== NULL
) {
1381 wpas_p2p_remove_pending_group_interface(wpa_s
);
1384 if (group_wpa_s
!= wpa_s
) {
1385 os_memcpy(group_wpa_s
->p2p_pin
, wpa_s
->p2p_pin
,
1386 sizeof(group_wpa_s
->p2p_pin
));
1387 group_wpa_s
->p2p_wps_method
= wpa_s
->p2p_wps_method
;
1389 os_memset(wpa_s
->pending_interface_addr
, 0, ETH_ALEN
);
1390 wpa_s
->pending_interface_name
[0] = '\0';
1391 group_wpa_s
->p2p_in_provisioning
= 1;
1394 wpas_start_wps_go(group_wpa_s
, res
, 1);
1396 wpas_start_wps_enrollee(group_wpa_s
, res
);
1398 wpa_s
->p2p_in_provisioning
= 1;
1399 wpa_s
->global
->p2p_group_formation
= wpa_s
;
1402 wpas_start_wps_go(wpa_s
, res
, 1);
1404 wpas_start_wps_enrollee(ctx
, res
);
1407 wpa_s
->p2p_long_listen
= 0;
1408 eloop_cancel_timeout(wpas_p2p_long_listen_timeout
, wpa_s
, NULL
);
1410 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
, wpa_s
, NULL
);
1411 eloop_register_timeout(15 + res
->peer_config_timeout
/ 100,
1412 (res
->peer_config_timeout
% 100) * 10000,
1413 wpas_p2p_group_formation_timeout
, wpa_s
, NULL
);
1417 void wpas_go_neg_req_rx(void *ctx
, const u8
*src
, u16 dev_passwd_id
)
1419 struct wpa_supplicant
*wpa_s
= ctx
;
1420 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_GO_NEG_REQUEST MACSTR
1421 " dev_passwd_id=%u", MAC2STR(src
), dev_passwd_id
);
1423 wpas_notify_p2p_go_neg_req(wpa_s
, src
, dev_passwd_id
);
1427 void wpas_dev_found(void *ctx
, const u8
*addr
,
1428 const struct p2p_peer_info
*info
,
1431 #ifndef CONFIG_NO_STDOUT_DEBUG
1432 struct wpa_supplicant
*wpa_s
= ctx
;
1433 char devtype
[WPS_DEV_TYPE_BUFSIZE
];
1435 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_DEVICE_FOUND MACSTR
1436 " p2p_dev_addr=" MACSTR
1437 " pri_dev_type=%s name='%s' config_methods=0x%x "
1438 "dev_capab=0x%x group_capab=0x%x",
1439 MAC2STR(addr
), MAC2STR(info
->p2p_device_addr
),
1440 wps_dev_type_bin2str(info
->pri_dev_type
, devtype
,
1442 info
->device_name
, info
->config_methods
,
1443 info
->dev_capab
, info
->group_capab
);
1444 #endif /* CONFIG_NO_STDOUT_DEBUG */
1446 wpas_notify_p2p_device_found(ctx
, info
->p2p_device_addr
, new_device
);
1450 static void wpas_dev_lost(void *ctx
, const u8
*dev_addr
)
1452 struct wpa_supplicant
*wpa_s
= ctx
;
1454 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_DEVICE_LOST
1455 "p2p_dev_addr=" MACSTR
, MAC2STR(dev_addr
));
1457 wpas_notify_p2p_device_lost(wpa_s
, dev_addr
);
1461 static void wpas_find_stopped(void *ctx
)
1463 struct wpa_supplicant
*wpa_s
= ctx
;
1464 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_FIND_STOPPED
);
1468 static int wpas_start_listen(void *ctx
, unsigned int freq
,
1469 unsigned int duration
,
1470 const struct wpabuf
*probe_resp_ie
)
1472 struct wpa_supplicant
*wpa_s
= ctx
;
1474 wpa_drv_set_ap_wps_ie(wpa_s
, NULL
, probe_resp_ie
, NULL
);
1476 if (wpa_drv_probe_req_report(wpa_s
, 1) < 0) {
1477 wpa_printf(MSG_DEBUG
, "P2P: Failed to request the driver to "
1478 "report received Probe Request frames");
1482 wpa_s
->pending_listen_freq
= freq
;
1483 wpa_s
->pending_listen_duration
= duration
;
1485 if (wpa_drv_remain_on_channel(wpa_s
, freq
, duration
) < 0) {
1486 wpa_printf(MSG_DEBUG
, "P2P: Failed to request the driver "
1487 "to remain on channel (%u MHz) for Listen "
1489 wpa_s
->pending_listen_freq
= 0;
1492 wpa_s
->off_channel_freq
= 0;
1493 wpa_s
->roc_waiting_drv_freq
= freq
;
1499 static void wpas_stop_listen(void *ctx
)
1501 struct wpa_supplicant
*wpa_s
= ctx
;
1502 if (wpa_s
->off_channel_freq
|| wpa_s
->roc_waiting_drv_freq
) {
1503 wpa_drv_cancel_remain_on_channel(wpa_s
);
1504 wpa_s
->off_channel_freq
= 0;
1505 wpa_s
->roc_waiting_drv_freq
= 0;
1507 wpa_drv_set_ap_wps_ie(wpa_s
, NULL
, NULL
, NULL
);
1508 wpa_drv_probe_req_report(wpa_s
, 0);
1512 static int wpas_send_probe_resp(void *ctx
, const struct wpabuf
*buf
)
1514 struct wpa_supplicant
*wpa_s
= ctx
;
1515 return wpa_drv_send_mlme(wpa_s
, wpabuf_head(buf
), wpabuf_len(buf
), 1);
1520 * DNS Header section is used only to calculate compression pointers, so the
1521 * contents of this data does not matter, but the length needs to be reserved
1522 * in the virtual packet.
1524 #define DNS_HEADER_LEN 12
1527 * 27-octet in-memory packet from P2P specification containing two implied
1528 * queries for _tcp.lcoal. PTR IN and _udp.local. PTR IN
1530 #define P2P_SD_IN_MEMORY_LEN 27
1532 static int p2p_sd_dns_uncompress_label(char **upos
, char *uend
, u8
*start
,
1533 u8
**spos
, const u8
*end
)
1535 while (*spos
< end
) {
1536 u8 val
= ((*spos
)[0] & 0xc0) >> 6;
1539 if (val
== 1 || val
== 2) {
1540 /* These are reserved values in RFC 1035 */
1541 wpa_printf(MSG_DEBUG
, "P2P: Invalid domain name "
1542 "sequence starting with 0x%x", val
);
1551 if (*spos
+ 2 > end
) {
1552 wpa_printf(MSG_DEBUG
, "P2P: No room for full "
1553 "DNS offset field");
1557 offset
= (((*spos
)[0] & 0x3f) << 8) | (*spos
)[1];
1558 if (offset
>= *spos
- start
) {
1559 wpa_printf(MSG_DEBUG
, "P2P: Invalid DNS "
1560 "pointer offset %u", offset
);
1565 spos_tmp
= start
+ offset
;
1566 return p2p_sd_dns_uncompress_label(upos
, uend
, start
,
1572 len
= (*spos
)[0] & 0x3f;
1577 if (*spos
+ len
> end
) {
1578 wpa_printf(MSG_DEBUG
, "P2P: Invalid domain name "
1579 "sequence - no room for label with length "
1584 if (*upos
+ len
+ 2 > uend
)
1587 os_memcpy(*upos
, *spos
, len
);
1599 /* Uncompress domain names per RFC 1035 using the P2P SD in-memory packet.
1600 * Returns -1 on parsing error (invalid input sequence), -2 if output buffer is
1601 * not large enough */
1602 static int p2p_sd_dns_uncompress(char *buf
, size_t buf_len
, const u8
*msg
,
1603 size_t msg_len
, size_t offset
)
1605 /* 27-octet in-memory packet from P2P specification */
1606 const char *prefix
= "\x04_tcp\x05local\x00\x00\x0C\x00\x01"
1607 "\x04_udp\xC0\x11\x00\x0C\x00\x01";
1608 u8
*tmp
, *end
, *spos
;
1614 if (offset
> msg_len
)
1617 tmp
= os_malloc(DNS_HEADER_LEN
+ P2P_SD_IN_MEMORY_LEN
+ msg_len
);
1620 spos
= tmp
+ DNS_HEADER_LEN
+ P2P_SD_IN_MEMORY_LEN
;
1621 end
= spos
+ msg_len
;
1624 os_memset(tmp
, 0, DNS_HEADER_LEN
);
1625 os_memcpy(tmp
+ DNS_HEADER_LEN
, prefix
, P2P_SD_IN_MEMORY_LEN
);
1626 os_memcpy(tmp
+ DNS_HEADER_LEN
+ P2P_SD_IN_MEMORY_LEN
, msg
, msg_len
);
1629 uend
= buf
+ buf_len
;
1631 ret
= p2p_sd_dns_uncompress_label(&upos
, uend
, tmp
, &spos
, end
);
1640 } else if (upos
[-1] == '.')
1648 static struct p2p_srv_bonjour
*
1649 wpas_p2p_service_get_bonjour(struct wpa_supplicant
*wpa_s
,
1650 const struct wpabuf
*query
)
1652 struct p2p_srv_bonjour
*bsrv
;
1655 len
= wpabuf_len(query
);
1656 dl_list_for_each(bsrv
, &wpa_s
->global
->p2p_srv_bonjour
,
1657 struct p2p_srv_bonjour
, list
) {
1658 if (len
== wpabuf_len(bsrv
->query
) &&
1659 os_memcmp(wpabuf_head(query
), wpabuf_head(bsrv
->query
),
1667 static struct p2p_srv_upnp
*
1668 wpas_p2p_service_get_upnp(struct wpa_supplicant
*wpa_s
, u8 version
,
1669 const char *service
)
1671 struct p2p_srv_upnp
*usrv
;
1673 dl_list_for_each(usrv
, &wpa_s
->global
->p2p_srv_upnp
,
1674 struct p2p_srv_upnp
, list
) {
1675 if (version
== usrv
->version
&&
1676 os_strcmp(service
, usrv
->service
) == 0)
1683 static void wpas_sd_add_proto_not_avail(struct wpabuf
*resp
, u8 srv_proto
,
1688 if (wpabuf_tailroom(resp
) < 5)
1691 /* Length (to be filled) */
1692 len_pos
= wpabuf_put(resp
, 2);
1693 wpabuf_put_u8(resp
, srv_proto
);
1694 wpabuf_put_u8(resp
, srv_trans_id
);
1696 wpabuf_put_u8(resp
, P2P_SD_PROTO_NOT_AVAILABLE
);
1697 /* Response Data: empty */
1698 WPA_PUT_LE16(len_pos
, (u8
*) wpabuf_put(resp
, 0) - len_pos
- 2);
1702 static void wpas_sd_all_bonjour(struct wpa_supplicant
*wpa_s
,
1703 struct wpabuf
*resp
, u8 srv_trans_id
)
1705 struct p2p_srv_bonjour
*bsrv
;
1708 wpa_printf(MSG_DEBUG
, "P2P: SD Request for all Bonjour services");
1710 if (dl_list_empty(&wpa_s
->global
->p2p_srv_bonjour
)) {
1711 wpa_printf(MSG_DEBUG
, "P2P: Bonjour protocol not available");
1715 dl_list_for_each(bsrv
, &wpa_s
->global
->p2p_srv_bonjour
,
1716 struct p2p_srv_bonjour
, list
) {
1717 if (wpabuf_tailroom(resp
) <
1718 5 + wpabuf_len(bsrv
->query
) + wpabuf_len(bsrv
->resp
))
1720 /* Length (to be filled) */
1721 len_pos
= wpabuf_put(resp
, 2);
1722 wpabuf_put_u8(resp
, P2P_SERV_BONJOUR
);
1723 wpabuf_put_u8(resp
, srv_trans_id
);
1725 wpabuf_put_u8(resp
, P2P_SD_SUCCESS
);
1726 wpa_hexdump_ascii(MSG_DEBUG
, "P2P: Matching Bonjour service",
1727 wpabuf_head(bsrv
->resp
),
1728 wpabuf_len(bsrv
->resp
));
1730 wpabuf_put_buf(resp
, bsrv
->query
); /* Key */
1731 wpabuf_put_buf(resp
, bsrv
->resp
); /* Value */
1732 WPA_PUT_LE16(len_pos
, (u8
*) wpabuf_put(resp
, 0) - len_pos
-
1738 static int match_bonjour_query(struct p2p_srv_bonjour
*bsrv
, const u8
*query
,
1741 char str_rx
[256], str_srv
[256];
1743 if (query_len
< 3 || wpabuf_len(bsrv
->query
) < 3)
1744 return 0; /* Too short to include DNS Type and Version */
1745 if (os_memcmp(query
+ query_len
- 3,
1746 wpabuf_head_u8(bsrv
->query
) + wpabuf_len(bsrv
->query
) - 3,
1748 return 0; /* Mismatch in DNS Type or Version */
1749 if (query_len
== wpabuf_len(bsrv
->query
) &&
1750 os_memcmp(query
, wpabuf_head(bsrv
->query
), query_len
- 3) == 0)
1751 return 1; /* Binary match */
1753 if (p2p_sd_dns_uncompress(str_rx
, sizeof(str_rx
), query
, query_len
- 3,
1755 return 0; /* Failed to uncompress query */
1756 if (p2p_sd_dns_uncompress(str_srv
, sizeof(str_srv
),
1757 wpabuf_head(bsrv
->query
),
1758 wpabuf_len(bsrv
->query
) - 3, 0))
1759 return 0; /* Failed to uncompress service */
1761 return os_strcmp(str_rx
, str_srv
) == 0;
1765 static void wpas_sd_req_bonjour(struct wpa_supplicant
*wpa_s
,
1766 struct wpabuf
*resp
, u8 srv_trans_id
,
1767 const u8
*query
, size_t query_len
)
1769 struct p2p_srv_bonjour
*bsrv
;
1773 wpa_hexdump_ascii(MSG_DEBUG
, "P2P: SD Request for Bonjour",
1775 if (dl_list_empty(&wpa_s
->global
->p2p_srv_bonjour
)) {
1776 wpa_printf(MSG_DEBUG
, "P2P: Bonjour protocol not available");
1777 wpas_sd_add_proto_not_avail(resp
, P2P_SERV_BONJOUR
,
1782 if (query_len
== 0) {
1783 wpas_sd_all_bonjour(wpa_s
, resp
, srv_trans_id
);
1787 dl_list_for_each(bsrv
, &wpa_s
->global
->p2p_srv_bonjour
,
1788 struct p2p_srv_bonjour
, list
) {
1789 if (!match_bonjour_query(bsrv
, query
, query_len
))
1792 if (wpabuf_tailroom(resp
) <
1793 5 + query_len
+ wpabuf_len(bsrv
->resp
))
1798 /* Length (to be filled) */
1799 len_pos
= wpabuf_put(resp
, 2);
1800 wpabuf_put_u8(resp
, P2P_SERV_BONJOUR
);
1801 wpabuf_put_u8(resp
, srv_trans_id
);
1804 wpabuf_put_u8(resp
, P2P_SD_SUCCESS
);
1805 wpa_hexdump_ascii(MSG_DEBUG
, "P2P: Matching Bonjour service",
1806 wpabuf_head(bsrv
->resp
),
1807 wpabuf_len(bsrv
->resp
));
1810 wpabuf_put_data(resp
, query
, query_len
); /* Key */
1811 wpabuf_put_buf(resp
, bsrv
->resp
); /* Value */
1813 WPA_PUT_LE16(len_pos
, (u8
*) wpabuf_put(resp
, 0) - len_pos
- 2);
1817 wpa_printf(MSG_DEBUG
, "P2P: Requested Bonjour service not "
1819 if (wpabuf_tailroom(resp
) < 5)
1822 /* Length (to be filled) */
1823 len_pos
= wpabuf_put(resp
, 2);
1824 wpabuf_put_u8(resp
, P2P_SERV_BONJOUR
);
1825 wpabuf_put_u8(resp
, srv_trans_id
);
1828 wpabuf_put_u8(resp
, P2P_SD_REQUESTED_INFO_NOT_AVAILABLE
);
1829 /* Response Data: empty */
1830 WPA_PUT_LE16(len_pos
, (u8
*) wpabuf_put(resp
, 0) - len_pos
-
1836 static void wpas_sd_all_upnp(struct wpa_supplicant
*wpa_s
,
1837 struct wpabuf
*resp
, u8 srv_trans_id
)
1839 struct p2p_srv_upnp
*usrv
;
1842 wpa_printf(MSG_DEBUG
, "P2P: SD Request for all UPnP services");
1844 if (dl_list_empty(&wpa_s
->global
->p2p_srv_upnp
)) {
1845 wpa_printf(MSG_DEBUG
, "P2P: UPnP protocol not available");
1849 dl_list_for_each(usrv
, &wpa_s
->global
->p2p_srv_upnp
,
1850 struct p2p_srv_upnp
, list
) {
1851 if (wpabuf_tailroom(resp
) < 5 + 1 + os_strlen(usrv
->service
))
1854 /* Length (to be filled) */
1855 len_pos
= wpabuf_put(resp
, 2);
1856 wpabuf_put_u8(resp
, P2P_SERV_UPNP
);
1857 wpabuf_put_u8(resp
, srv_trans_id
);
1860 wpabuf_put_u8(resp
, P2P_SD_SUCCESS
);
1862 wpabuf_put_u8(resp
, usrv
->version
);
1863 wpa_printf(MSG_DEBUG
, "P2P: Matching UPnP Service: %s",
1865 wpabuf_put_str(resp
, usrv
->service
);
1866 WPA_PUT_LE16(len_pos
, (u8
*) wpabuf_put(resp
, 0) - len_pos
-
1872 static void wpas_sd_req_upnp(struct wpa_supplicant
*wpa_s
,
1873 struct wpabuf
*resp
, u8 srv_trans_id
,
1874 const u8
*query
, size_t query_len
)
1876 struct p2p_srv_upnp
*usrv
;
1882 wpa_hexdump_ascii(MSG_DEBUG
, "P2P: SD Request for UPnP",
1885 if (dl_list_empty(&wpa_s
->global
->p2p_srv_upnp
)) {
1886 wpa_printf(MSG_DEBUG
, "P2P: UPnP protocol not available");
1887 wpas_sd_add_proto_not_avail(resp
, P2P_SERV_UPNP
,
1892 if (query_len
== 0) {
1893 wpas_sd_all_upnp(wpa_s
, resp
, srv_trans_id
);
1897 if (wpabuf_tailroom(resp
) < 5)
1900 /* Length (to be filled) */
1901 len_pos
= wpabuf_put(resp
, 2);
1902 wpabuf_put_u8(resp
, P2P_SERV_UPNP
);
1903 wpabuf_put_u8(resp
, srv_trans_id
);
1906 str
= os_malloc(query_len
);
1909 os_memcpy(str
, query
+ 1, query_len
- 1);
1910 str
[query_len
- 1] = '\0';
1912 dl_list_for_each(usrv
, &wpa_s
->global
->p2p_srv_upnp
,
1913 struct p2p_srv_upnp
, list
) {
1914 if (version
!= usrv
->version
)
1917 if (os_strcmp(str
, "ssdp:all") != 0 &&
1918 os_strstr(usrv
->service
, str
) == NULL
)
1921 if (wpabuf_tailroom(resp
) < 2)
1925 wpabuf_put_u8(resp
, P2P_SD_SUCCESS
);
1927 wpabuf_put_u8(resp
, version
);
1929 wpabuf_put_u8(resp
, ',');
1933 wpa_printf(MSG_DEBUG
, "P2P: Matching UPnP Service: %s",
1935 if (wpabuf_tailroom(resp
) < os_strlen(usrv
->service
))
1937 wpabuf_put_str(resp
, usrv
->service
);
1942 wpa_printf(MSG_DEBUG
, "P2P: Requested UPnP service not "
1945 wpabuf_put_u8(resp
, P2P_SD_REQUESTED_INFO_NOT_AVAILABLE
);
1946 /* Response Data: empty */
1949 WPA_PUT_LE16(len_pos
, (u8
*) wpabuf_put(resp
, 0) - len_pos
- 2);
1953 #ifdef CONFIG_WIFI_DISPLAY
1954 static void wpas_sd_req_wfd(struct wpa_supplicant
*wpa_s
,
1955 struct wpabuf
*resp
, u8 srv_trans_id
,
1956 const u8
*query
, size_t query_len
)
1962 wpa_hexdump(MSG_DEBUG
, "P2P: SD Request for WFD", query
, query_len
);
1964 if (!wpa_s
->global
->wifi_display
) {
1965 wpa_printf(MSG_DEBUG
, "P2P: WFD protocol not available");
1966 wpas_sd_add_proto_not_avail(resp
, P2P_SERV_WIFI_DISPLAY
,
1971 if (query_len
< 1) {
1972 wpa_printf(MSG_DEBUG
, "P2P: Missing WFD Requested Device "
1977 if (wpabuf_tailroom(resp
) < 5)
1982 wpa_printf(MSG_DEBUG
, "P2P: WSD for device role 0x%x", role
);
1984 /* TODO: role specific handling */
1986 /* Length (to be filled) */
1987 len_pos
= wpabuf_put(resp
, 2);
1988 wpabuf_put_u8(resp
, P2P_SERV_WIFI_DISPLAY
);
1989 wpabuf_put_u8(resp
, srv_trans_id
);
1990 wpabuf_put_u8(resp
, P2P_SD_SUCCESS
); /* Status Code */
1992 while (pos
< query
+ query_len
) {
1993 if (*pos
< MAX_WFD_SUBELEMS
&&
1994 wpa_s
->global
->wfd_subelem
[*pos
] &&
1995 wpabuf_tailroom(resp
) >=
1996 wpabuf_len(wpa_s
->global
->wfd_subelem
[*pos
])) {
1997 wpa_printf(MSG_DEBUG
, "P2P: Add WSD response "
1998 "subelement %u", *pos
);
1999 wpabuf_put_buf(resp
, wpa_s
->global
->wfd_subelem
[*pos
]);
2004 WPA_PUT_LE16(len_pos
, (u8
*) wpabuf_put(resp
, 0) - len_pos
- 2);
2006 #endif /* CONFIG_WIFI_DISPLAY */
2009 void wpas_sd_request(void *ctx
, int freq
, const u8
*sa
, u8 dialog_token
,
2010 u16 update_indic
, const u8
*tlvs
, size_t tlvs_len
)
2012 struct wpa_supplicant
*wpa_s
= ctx
;
2013 const u8
*pos
= tlvs
;
2014 const u8
*end
= tlvs
+ tlvs_len
;
2017 struct wpabuf
*resp
;
2018 u8 srv_proto
, srv_trans_id
;
2022 wpa_hexdump(MSG_MSGDUMP
, "P2P: Service Discovery Request TLVs",
2024 buf_len
= 2 * tlvs_len
+ 1;
2025 buf
= os_malloc(buf_len
);
2027 wpa_snprintf_hex(buf
, buf_len
, tlvs
, tlvs_len
);
2028 wpa_msg_ctrl(wpa_s
, MSG_INFO
, P2P_EVENT_SERV_DISC_REQ
"%d "
2030 freq
, MAC2STR(sa
), dialog_token
, update_indic
,
2035 if (wpa_s
->p2p_sd_over_ctrl_iface
) {
2036 wpas_notify_p2p_sd_request(wpa_s
, freq
, sa
, dialog_token
,
2037 update_indic
, tlvs
, tlvs_len
);
2038 return; /* to be processed by an external program */
2041 resp
= wpabuf_alloc(10000);
2045 while (pos
+ 1 < end
) {
2046 wpa_printf(MSG_DEBUG
, "P2P: Service Request TLV");
2047 slen
= WPA_GET_LE16(pos
);
2049 if (pos
+ slen
> end
|| slen
< 2) {
2050 wpa_printf(MSG_DEBUG
, "P2P: Unexpected Query Data "
2055 tlv_end
= pos
+ slen
;
2058 wpa_printf(MSG_DEBUG
, "P2P: Service Protocol Type %u",
2060 srv_trans_id
= *pos
++;
2061 wpa_printf(MSG_DEBUG
, "P2P: Service Transaction ID %u",
2064 wpa_hexdump(MSG_MSGDUMP
, "P2P: Query Data",
2065 pos
, tlv_end
- pos
);
2068 if (wpa_s
->force_long_sd
) {
2069 wpa_printf(MSG_DEBUG
, "P2P: SD test - force long "
2071 wpas_sd_all_bonjour(wpa_s
, resp
, srv_trans_id
);
2072 wpas_sd_all_upnp(wpa_s
, resp
, srv_trans_id
);
2076 switch (srv_proto
) {
2077 case P2P_SERV_ALL_SERVICES
:
2078 wpa_printf(MSG_DEBUG
, "P2P: Service Discovery Request "
2079 "for all services");
2080 if (dl_list_empty(&wpa_s
->global
->p2p_srv_upnp
) &&
2081 dl_list_empty(&wpa_s
->global
->p2p_srv_bonjour
)) {
2082 wpa_printf(MSG_DEBUG
, "P2P: No service "
2083 "discovery protocols available");
2084 wpas_sd_add_proto_not_avail(
2085 resp
, P2P_SERV_ALL_SERVICES
,
2089 wpas_sd_all_bonjour(wpa_s
, resp
, srv_trans_id
);
2090 wpas_sd_all_upnp(wpa_s
, resp
, srv_trans_id
);
2092 case P2P_SERV_BONJOUR
:
2093 wpas_sd_req_bonjour(wpa_s
, resp
, srv_trans_id
,
2094 pos
, tlv_end
- pos
);
2097 wpas_sd_req_upnp(wpa_s
, resp
, srv_trans_id
,
2098 pos
, tlv_end
- pos
);
2100 #ifdef CONFIG_WIFI_DISPLAY
2101 case P2P_SERV_WIFI_DISPLAY
:
2102 wpas_sd_req_wfd(wpa_s
, resp
, srv_trans_id
,
2103 pos
, tlv_end
- pos
);
2105 #endif /* CONFIG_WIFI_DISPLAY */
2107 wpa_printf(MSG_DEBUG
, "P2P: Unavailable service "
2108 "protocol %u", srv_proto
);
2109 wpas_sd_add_proto_not_avail(resp
, srv_proto
,
2118 wpas_notify_p2p_sd_request(wpa_s
, freq
, sa
, dialog_token
,
2119 update_indic
, tlvs
, tlvs_len
);
2121 wpas_p2p_sd_response(wpa_s
, freq
, sa
, dialog_token
, resp
);
2127 void wpas_sd_response(void *ctx
, const u8
*sa
, u16 update_indic
,
2128 const u8
*tlvs
, size_t tlvs_len
)
2130 struct wpa_supplicant
*wpa_s
= ctx
;
2131 const u8
*pos
= tlvs
;
2132 const u8
*end
= tlvs
+ tlvs_len
;
2138 wpa_hexdump(MSG_MSGDUMP
, "P2P: Service Discovery Response TLVs",
2140 if (tlvs_len
> 1500) {
2141 /* TODO: better way for handling this */
2142 wpa_msg_ctrl(wpa_s
, MSG_INFO
,
2143 P2P_EVENT_SERV_DISC_RESP MACSTR
2144 " %u <long response: %u bytes>",
2145 MAC2STR(sa
), update_indic
,
2146 (unsigned int) tlvs_len
);
2148 buf_len
= 2 * tlvs_len
+ 1;
2149 buf
= os_malloc(buf_len
);
2151 wpa_snprintf_hex(buf
, buf_len
, tlvs
, tlvs_len
);
2152 wpa_msg_ctrl(wpa_s
, MSG_INFO
,
2153 P2P_EVENT_SERV_DISC_RESP MACSTR
" %u %s",
2154 MAC2STR(sa
), update_indic
, buf
);
2160 u8 srv_proto
, srv_trans_id
, status
;
2162 wpa_printf(MSG_DEBUG
, "P2P: Service Response TLV");
2163 slen
= WPA_GET_LE16(pos
);
2165 if (pos
+ slen
> end
|| slen
< 3) {
2166 wpa_printf(MSG_DEBUG
, "P2P: Unexpected Response Data "
2170 tlv_end
= pos
+ slen
;
2173 wpa_printf(MSG_DEBUG
, "P2P: Service Protocol Type %u",
2175 srv_trans_id
= *pos
++;
2176 wpa_printf(MSG_DEBUG
, "P2P: Service Transaction ID %u",
2179 wpa_printf(MSG_DEBUG
, "P2P: Status Code ID %u",
2182 wpa_hexdump(MSG_MSGDUMP
, "P2P: Response Data",
2183 pos
, tlv_end
- pos
);
2188 wpas_notify_p2p_sd_response(wpa_s
, sa
, update_indic
, tlvs
, tlvs_len
);
2192 u64
wpas_p2p_sd_request(struct wpa_supplicant
*wpa_s
, const u8
*dst
,
2193 const struct wpabuf
*tlvs
)
2195 if (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_P2P_MGMT
)
2196 return wpa_drv_p2p_sd_request(wpa_s
, dst
, tlvs
);
2197 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
2199 return (uintptr_t) p2p_sd_request(wpa_s
->global
->p2p
, dst
, tlvs
);
2203 u64
wpas_p2p_sd_request_upnp(struct wpa_supplicant
*wpa_s
, const u8
*dst
,
2204 u8 version
, const char *query
)
2206 struct wpabuf
*tlvs
;
2209 tlvs
= wpabuf_alloc(2 + 1 + 1 + 1 + os_strlen(query
));
2212 wpabuf_put_le16(tlvs
, 1 + 1 + 1 + os_strlen(query
));
2213 wpabuf_put_u8(tlvs
, P2P_SERV_UPNP
); /* Service Protocol Type */
2214 wpabuf_put_u8(tlvs
, 1); /* Service Transaction ID */
2215 wpabuf_put_u8(tlvs
, version
);
2216 wpabuf_put_str(tlvs
, query
);
2217 ret
= wpas_p2p_sd_request(wpa_s
, dst
, tlvs
);
2223 #ifdef CONFIG_WIFI_DISPLAY
2225 static u64
wpas_p2p_sd_request_wfd(struct wpa_supplicant
*wpa_s
, const u8
*dst
,
2226 const struct wpabuf
*tlvs
)
2228 if (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_P2P_MGMT
)
2230 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
2232 return (uintptr_t) p2p_sd_request_wfd(wpa_s
->global
->p2p
, dst
, tlvs
);
2236 #define MAX_WFD_SD_SUBELEMS 20
2238 static void wfd_add_sd_req_role(struct wpabuf
*tlvs
, u8 id
, u8 role
,
2239 const char *subelems
)
2246 len
= wpabuf_put(tlvs
, 2);
2247 wpabuf_put_u8(tlvs
, P2P_SERV_WIFI_DISPLAY
); /* Service Protocol Type */
2248 wpabuf_put_u8(tlvs
, id
); /* Service Transaction ID */
2250 wpabuf_put_u8(tlvs
, role
);
2255 if (val
>= 0 && val
< 256) {
2256 wpabuf_put_u8(tlvs
, val
);
2258 if (count
== MAX_WFD_SD_SUBELEMS
)
2261 pos
= os_strchr(pos
+ 1, ',');
2267 WPA_PUT_LE16(len
, (u8
*) wpabuf_put(tlvs
, 0) - len
- 2);
2271 u64
wpas_p2p_sd_request_wifi_display(struct wpa_supplicant
*wpa_s
,
2272 const u8
*dst
, const char *role
)
2274 struct wpabuf
*tlvs
;
2276 const char *subelems
;
2279 subelems
= os_strchr(role
, ' ');
2280 if (subelems
== NULL
)
2284 tlvs
= wpabuf_alloc(4 * (2 + 1 + 1 + 1 + MAX_WFD_SD_SUBELEMS
));
2288 if (os_strstr(role
, "[source]"))
2289 wfd_add_sd_req_role(tlvs
, id
++, 0x00, subelems
);
2290 if (os_strstr(role
, "[pri-sink]"))
2291 wfd_add_sd_req_role(tlvs
, id
++, 0x01, subelems
);
2292 if (os_strstr(role
, "[sec-sink]"))
2293 wfd_add_sd_req_role(tlvs
, id
++, 0x02, subelems
);
2294 if (os_strstr(role
, "[source+sink]"))
2295 wfd_add_sd_req_role(tlvs
, id
++, 0x03, subelems
);
2297 ret
= wpas_p2p_sd_request_wfd(wpa_s
, dst
, tlvs
);
2302 #endif /* CONFIG_WIFI_DISPLAY */
2305 int wpas_p2p_sd_cancel_request(struct wpa_supplicant
*wpa_s
, u64 req
)
2307 if (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_P2P_MGMT
)
2308 return wpa_drv_p2p_sd_cancel_request(wpa_s
, req
);
2309 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
2311 return p2p_sd_cancel_request(wpa_s
->global
->p2p
,
2312 (void *) (uintptr_t) req
);
2316 void wpas_p2p_sd_response(struct wpa_supplicant
*wpa_s
, int freq
,
2317 const u8
*dst
, u8 dialog_token
,
2318 const struct wpabuf
*resp_tlvs
)
2320 if (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_P2P_MGMT
) {
2321 wpa_drv_p2p_sd_response(wpa_s
, freq
, dst
, dialog_token
,
2325 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
2327 p2p_sd_response(wpa_s
->global
->p2p
, freq
, dst
, dialog_token
,
2332 void wpas_p2p_sd_service_update(struct wpa_supplicant
*wpa_s
)
2334 if (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_P2P_MGMT
) {
2335 wpa_drv_p2p_service_update(wpa_s
);
2338 if (wpa_s
->global
->p2p
)
2339 p2p_sd_service_update(wpa_s
->global
->p2p
);
2343 static void wpas_p2p_srv_bonjour_free(struct p2p_srv_bonjour
*bsrv
)
2345 dl_list_del(&bsrv
->list
);
2346 wpabuf_free(bsrv
->query
);
2347 wpabuf_free(bsrv
->resp
);
2352 static void wpas_p2p_srv_upnp_free(struct p2p_srv_upnp
*usrv
)
2354 dl_list_del(&usrv
->list
);
2355 os_free(usrv
->service
);
2360 void wpas_p2p_service_flush(struct wpa_supplicant
*wpa_s
)
2362 struct p2p_srv_bonjour
*bsrv
, *bn
;
2363 struct p2p_srv_upnp
*usrv
, *un
;
2365 dl_list_for_each_safe(bsrv
, bn
, &wpa_s
->global
->p2p_srv_bonjour
,
2366 struct p2p_srv_bonjour
, list
)
2367 wpas_p2p_srv_bonjour_free(bsrv
);
2369 dl_list_for_each_safe(usrv
, un
, &wpa_s
->global
->p2p_srv_upnp
,
2370 struct p2p_srv_upnp
, list
)
2371 wpas_p2p_srv_upnp_free(usrv
);
2373 wpas_p2p_sd_service_update(wpa_s
);
2377 int wpas_p2p_service_add_bonjour(struct wpa_supplicant
*wpa_s
,
2378 struct wpabuf
*query
, struct wpabuf
*resp
)
2380 struct p2p_srv_bonjour
*bsrv
;
2382 bsrv
= os_zalloc(sizeof(*bsrv
));
2385 bsrv
->query
= query
;
2387 dl_list_add(&wpa_s
->global
->p2p_srv_bonjour
, &bsrv
->list
);
2389 wpas_p2p_sd_service_update(wpa_s
);
2394 int wpas_p2p_service_del_bonjour(struct wpa_supplicant
*wpa_s
,
2395 const struct wpabuf
*query
)
2397 struct p2p_srv_bonjour
*bsrv
;
2399 bsrv
= wpas_p2p_service_get_bonjour(wpa_s
, query
);
2402 wpas_p2p_srv_bonjour_free(bsrv
);
2403 wpas_p2p_sd_service_update(wpa_s
);
2408 int wpas_p2p_service_add_upnp(struct wpa_supplicant
*wpa_s
, u8 version
,
2409 const char *service
)
2411 struct p2p_srv_upnp
*usrv
;
2413 if (wpas_p2p_service_get_upnp(wpa_s
, version
, service
))
2414 return 0; /* Already listed */
2415 usrv
= os_zalloc(sizeof(*usrv
));
2418 usrv
->version
= version
;
2419 usrv
->service
= os_strdup(service
);
2420 if (usrv
->service
== NULL
) {
2424 dl_list_add(&wpa_s
->global
->p2p_srv_upnp
, &usrv
->list
);
2426 wpas_p2p_sd_service_update(wpa_s
);
2431 int wpas_p2p_service_del_upnp(struct wpa_supplicant
*wpa_s
, u8 version
,
2432 const char *service
)
2434 struct p2p_srv_upnp
*usrv
;
2436 usrv
= wpas_p2p_service_get_upnp(wpa_s
, version
, service
);
2439 wpas_p2p_srv_upnp_free(usrv
);
2440 wpas_p2p_sd_service_update(wpa_s
);
2445 static void wpas_prov_disc_local_display(struct wpa_supplicant
*wpa_s
,
2446 const u8
*peer
, const char *params
,
2447 unsigned int generated_pin
)
2449 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_PROV_DISC_SHOW_PIN MACSTR
2450 " %08d%s", MAC2STR(peer
), generated_pin
, params
);
2454 static void wpas_prov_disc_local_keypad(struct wpa_supplicant
*wpa_s
,
2455 const u8
*peer
, const char *params
)
2457 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_PROV_DISC_ENTER_PIN MACSTR
2458 "%s", MAC2STR(peer
), params
);
2462 void wpas_prov_disc_req(void *ctx
, const u8
*peer
, u16 config_methods
,
2463 const u8
*dev_addr
, const u8
*pri_dev_type
,
2464 const char *dev_name
, u16 supp_config_methods
,
2465 u8 dev_capab
, u8 group_capab
, const u8
*group_id
,
2466 size_t group_id_len
)
2468 struct wpa_supplicant
*wpa_s
= ctx
;
2469 char devtype
[WPS_DEV_TYPE_BUFSIZE
];
2471 u8 empty_dev_type
[8];
2472 unsigned int generated_pin
= 0;
2473 struct wpa_supplicant
*group
= NULL
;
2476 for (group
= wpa_s
->global
->ifaces
; group
; group
= group
->next
)
2478 struct wpa_ssid
*s
= group
->current_ssid
;
2480 s
->mode
== WPAS_MODE_P2P_GO
&&
2481 group_id_len
- ETH_ALEN
== s
->ssid_len
&&
2482 os_memcmp(group_id
+ ETH_ALEN
, s
->ssid
,
2488 if (pri_dev_type
== NULL
) {
2489 os_memset(empty_dev_type
, 0, sizeof(empty_dev_type
));
2490 pri_dev_type
= empty_dev_type
;
2492 os_snprintf(params
, sizeof(params
), " p2p_dev_addr=" MACSTR
2493 " pri_dev_type=%s name='%s' config_methods=0x%x "
2494 "dev_capab=0x%x group_capab=0x%x%s%s",
2496 wps_dev_type_bin2str(pri_dev_type
, devtype
,
2498 dev_name
, supp_config_methods
, dev_capab
, group_capab
,
2499 group
? " group=" : "",
2500 group
? group
->ifname
: "");
2501 params
[sizeof(params
) - 1] = '\0';
2503 if (config_methods
& WPS_CONFIG_DISPLAY
) {
2504 generated_pin
= wps_generate_pin();
2505 wpas_prov_disc_local_display(wpa_s
, peer
, params
,
2507 } else if (config_methods
& WPS_CONFIG_KEYPAD
)
2508 wpas_prov_disc_local_keypad(wpa_s
, peer
, params
);
2509 else if (config_methods
& WPS_CONFIG_PUSHBUTTON
)
2510 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_PROV_DISC_PBC_REQ
2511 MACSTR
"%s", MAC2STR(peer
), params
);
2513 wpas_notify_p2p_provision_discovery(wpa_s
, peer
, 1 /* request */,
2514 P2P_PROV_DISC_SUCCESS
,
2515 config_methods
, generated_pin
);
2519 void wpas_prov_disc_resp(void *ctx
, const u8
*peer
, u16 config_methods
)
2521 struct wpa_supplicant
*wpa_s
= ctx
;
2522 unsigned int generated_pin
= 0;
2525 if (wpa_s
->pending_pd_before_join
&&
2526 (os_memcmp(peer
, wpa_s
->pending_join_dev_addr
, ETH_ALEN
) == 0 ||
2527 os_memcmp(peer
, wpa_s
->pending_join_iface_addr
, ETH_ALEN
) == 0)) {
2528 wpa_s
->pending_pd_before_join
= 0;
2529 wpa_printf(MSG_DEBUG
, "P2P: Starting pending "
2530 "join-existing-group operation");
2531 wpas_p2p_join_start(wpa_s
);
2535 if (wpa_s
->pending_pd_use
== AUTO_PD_JOIN
||
2536 wpa_s
->pending_pd_use
== AUTO_PD_GO_NEG
)
2537 os_snprintf(params
, sizeof(params
), " peer_go=%d",
2538 wpa_s
->pending_pd_use
== AUTO_PD_JOIN
);
2542 if (config_methods
& WPS_CONFIG_DISPLAY
)
2543 wpas_prov_disc_local_keypad(wpa_s
, peer
, params
);
2544 else if (config_methods
& WPS_CONFIG_KEYPAD
) {
2545 generated_pin
= wps_generate_pin();
2546 wpas_prov_disc_local_display(wpa_s
, peer
, params
,
2548 } else if (config_methods
& WPS_CONFIG_PUSHBUTTON
)
2549 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_PROV_DISC_PBC_RESP
2550 MACSTR
"%s", MAC2STR(peer
), params
);
2552 wpas_notify_p2p_provision_discovery(wpa_s
, peer
, 0 /* response */,
2553 P2P_PROV_DISC_SUCCESS
,
2554 config_methods
, generated_pin
);
2558 static void wpas_prov_disc_fail(void *ctx
, const u8
*peer
,
2559 enum p2p_prov_disc_status status
)
2561 struct wpa_supplicant
*wpa_s
= ctx
;
2563 if (wpa_s
->p2p_fallback_to_go_neg
) {
2564 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: PD for p2p_connect-auto "
2565 "failed - fall back to GO Negotiation");
2566 wpas_p2p_fallback_to_go_neg(wpa_s
, 0);
2570 if (status
== P2P_PROV_DISC_TIMEOUT_JOIN
) {
2571 wpa_s
->pending_pd_before_join
= 0;
2572 wpa_printf(MSG_DEBUG
, "P2P: Starting pending "
2573 "join-existing-group operation (no ACK for PD "
2575 wpas_p2p_join_start(wpa_s
);
2579 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_PROV_DISC_FAILURE
2580 " p2p_dev_addr=" MACSTR
" status=%d",
2581 MAC2STR(peer
), status
);
2583 wpas_notify_p2p_provision_discovery(wpa_s
, peer
, 0 /* response */,
2588 static int freq_included(const struct p2p_channels
*channels
, unsigned int freq
)
2590 if (channels
== NULL
)
2591 return 1; /* Assume no restrictions */
2592 return p2p_channels_includes_freq(channels
, freq
);
2597 static u8
wpas_invitation_process(void *ctx
, const u8
*sa
, const u8
*bssid
,
2598 const u8
*go_dev_addr
, const u8
*ssid
,
2599 size_t ssid_len
, int *go
, u8
*group_bssid
,
2600 int *force_freq
, int persistent_group
,
2601 const struct p2p_channels
*channels
)
2603 struct wpa_supplicant
*wpa_s
= ctx
;
2606 struct wpa_supplicant
*grp
;
2608 if (!persistent_group
) {
2609 wpa_printf(MSG_DEBUG
, "P2P: Invitation from " MACSTR
2610 " to join an active group", MAC2STR(sa
));
2611 if (!is_zero_ether_addr(wpa_s
->p2p_auth_invite
) &&
2612 (os_memcmp(go_dev_addr
, wpa_s
->p2p_auth_invite
, ETH_ALEN
)
2614 os_memcmp(sa
, wpa_s
->p2p_auth_invite
, ETH_ALEN
) == 0)) {
2615 wpa_printf(MSG_DEBUG
, "P2P: Accept previously "
2616 "authorized invitation");
2620 * Do not accept the invitation automatically; notify user and
2623 return P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE
;
2626 grp
= wpas_get_p2p_group(wpa_s
, ssid
, ssid_len
, go
);
2628 wpa_printf(MSG_DEBUG
, "P2P: Accept invitation to already "
2629 "running persistent group");
2631 os_memcpy(group_bssid
, grp
->own_addr
, ETH_ALEN
);
2635 if (!is_zero_ether_addr(wpa_s
->p2p_auth_invite
) &&
2636 os_memcmp(sa
, wpa_s
->p2p_auth_invite
, ETH_ALEN
) == 0) {
2637 wpa_printf(MSG_DEBUG
, "P2P: Accept previously initiated "
2638 "invitation to re-invoke a persistent group");
2639 } else if (!wpa_s
->conf
->persistent_reconnect
)
2640 return P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE
;
2642 for (s
= wpa_s
->conf
->ssid
; s
; s
= s
->next
) {
2643 if (s
->disabled
== 2 &&
2644 os_memcmp(s
->bssid
, go_dev_addr
, ETH_ALEN
) == 0 &&
2645 s
->ssid_len
== ssid_len
&&
2646 os_memcmp(ssid
, s
->ssid
, ssid_len
) == 0)
2651 wpa_printf(MSG_DEBUG
, "P2P: Invitation from " MACSTR
2652 " requested reinvocation of an unknown group",
2654 return P2P_SC_FAIL_UNKNOWN_GROUP
;
2657 if (s
->mode
== WPAS_MODE_P2P_GO
&& !wpas_p2p_create_iface(wpa_s
)) {
2659 if (wpa_s
->wpa_state
>= WPA_AUTHENTICATING
) {
2660 wpa_printf(MSG_DEBUG
, "P2P: The only available "
2661 "interface is already in use - reject "
2663 return P2P_SC_FAIL_UNABLE_TO_ACCOMMODATE
;
2665 os_memcpy(group_bssid
, wpa_s
->own_addr
, ETH_ALEN
);
2666 } else if (s
->mode
== WPAS_MODE_P2P_GO
) {
2668 if (wpas_p2p_add_group_interface(wpa_s
, WPA_IF_P2P_GO
) < 0)
2670 wpa_printf(MSG_ERROR
, "P2P: Failed to allocate a new "
2671 "interface address for the group");
2672 return P2P_SC_FAIL_UNABLE_TO_ACCOMMODATE
;
2674 os_memcpy(group_bssid
, wpa_s
->pending_interface_addr
,
2679 wpas_p2p_set_own_freq_preference(wpa_s
, 0);
2681 /* Get one of the frequencies currently in use */
2682 if (wpas_p2p_valid_oper_freqs(wpa_s
, &res
, 1) > 0) {
2683 wpa_printf(MSG_DEBUG
, "P2P: Trying to force channel to match a channel already used by one of the interfaces");
2685 wpas_p2p_set_own_freq_preference(wpa_s
, res
);
2688 if (*force_freq
> 0 && wpa_s
->num_multichan_concurrent
> 1 &&
2689 wpas_p2p_num_unused_channels(wpa_s
) > 0) {
2691 /* We are the client */
2692 wpa_printf(MSG_DEBUG
, "P2P: Peer was found to be "
2693 "running a GO but we are capable of MCC, "
2694 "figure out the best channel to use");
2696 } else if (!freq_included(channels
, *force_freq
)) {
2697 /* We are the GO, and *force_freq is not in the
2699 wpa_printf(MSG_DEBUG
, "P2P: Forced GO freq %d MHz not "
2700 "in intersection but we are capable of MCC, "
2701 "figure out the best channel to use",
2707 return P2P_SC_SUCCESS
;
2711 static void wpas_invitation_received(void *ctx
, const u8
*sa
, const u8
*bssid
,
2712 const u8
*ssid
, size_t ssid_len
,
2713 const u8
*go_dev_addr
, u8 status
,
2716 struct wpa_supplicant
*wpa_s
= ctx
;
2719 for (s
= wpa_s
->conf
->ssid
; s
; s
= s
->next
) {
2720 if (s
->disabled
== 2 &&
2721 s
->ssid_len
== ssid_len
&&
2722 os_memcmp(ssid
, s
->ssid
, ssid_len
) == 0)
2726 if (status
== P2P_SC_SUCCESS
) {
2727 wpa_printf(MSG_DEBUG
, "P2P: Invitation from peer " MACSTR
2728 " was accepted; op_freq=%d MHz",
2729 MAC2STR(sa
), op_freq
);
2731 int go
= s
->mode
== WPAS_MODE_P2P_GO
;
2732 wpas_p2p_group_add_persistent(
2733 wpa_s
, s
, go
, go
? op_freq
: 0, 0, 0, NULL
,
2734 go
? P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE
: 0);
2736 wpa_s
->user_initiated_pd
= 0;
2737 wpas_p2p_join(wpa_s
, bssid
, go_dev_addr
,
2738 wpa_s
->p2p_wps_method
, 0);
2743 if (status
!= P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE
) {
2744 wpa_printf(MSG_DEBUG
, "P2P: Invitation from peer " MACSTR
2745 " was rejected (status %u)", MAC2STR(sa
), status
);
2751 wpa_msg_global(wpa_s
, MSG_INFO
,
2752 P2P_EVENT_INVITATION_RECEIVED
2753 "sa=" MACSTR
" go_dev_addr=" MACSTR
2754 " bssid=" MACSTR
" unknown-network",
2755 MAC2STR(sa
), MAC2STR(go_dev_addr
),
2758 wpa_msg_global(wpa_s
, MSG_INFO
,
2759 P2P_EVENT_INVITATION_RECEIVED
2760 "sa=" MACSTR
" go_dev_addr=" MACSTR
2762 MAC2STR(sa
), MAC2STR(go_dev_addr
));
2767 if (s
->mode
== WPAS_MODE_P2P_GO
&& op_freq
) {
2768 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_INVITATION_RECEIVED
2769 "sa=" MACSTR
" persistent=%d freq=%d",
2770 MAC2STR(sa
), s
->id
, op_freq
);
2772 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_INVITATION_RECEIVED
2773 "sa=" MACSTR
" persistent=%d",
2774 MAC2STR(sa
), s
->id
);
2779 static void wpas_remove_persistent_peer(struct wpa_supplicant
*wpa_s
,
2780 struct wpa_ssid
*ssid
,
2781 const u8
*peer
, int inv
)
2788 for (i
= 0; ssid
->p2p_client_list
&& i
< ssid
->num_p2p_clients
; i
++) {
2789 if (os_memcmp(ssid
->p2p_client_list
+ i
* ETH_ALEN
, peer
,
2793 if (i
>= ssid
->num_p2p_clients
) {
2794 if (ssid
->mode
!= WPAS_MODE_P2P_GO
&&
2795 os_memcmp(ssid
->bssid
, peer
, ETH_ALEN
) == 0) {
2796 wpa_printf(MSG_DEBUG
, "P2P: Remove persistent group %d "
2797 "due to invitation result", ssid
->id
);
2798 wpas_notify_network_removed(wpa_s
, ssid
);
2799 wpa_config_remove_network(wpa_s
->conf
, ssid
->id
);
2802 return; /* Peer not found in client list */
2805 wpa_printf(MSG_DEBUG
, "P2P: Remove peer " MACSTR
" from persistent "
2806 "group %d client list%s",
2807 MAC2STR(peer
), ssid
->id
,
2808 inv
? " due to invitation result" : "");
2809 os_memmove(ssid
->p2p_client_list
+ i
* ETH_ALEN
,
2810 ssid
->p2p_client_list
+ (i
+ 1) * ETH_ALEN
,
2811 (ssid
->num_p2p_clients
- i
- 1) * ETH_ALEN
);
2812 ssid
->num_p2p_clients
--;
2813 #ifndef CONFIG_NO_CONFIG_WRITE
2814 if (wpa_s
->parent
->conf
->update_config
&&
2815 wpa_config_write(wpa_s
->parent
->confname
, wpa_s
->parent
->conf
))
2816 wpa_printf(MSG_DEBUG
, "P2P: Failed to update configuration");
2817 #endif /* CONFIG_NO_CONFIG_WRITE */
2821 static void wpas_remove_persistent_client(struct wpa_supplicant
*wpa_s
,
2824 struct wpa_ssid
*ssid
;
2826 wpa_s
= wpa_s
->global
->p2p_invite_group
;
2828 return; /* No known invitation group */
2829 ssid
= wpa_s
->current_ssid
;
2830 if (ssid
== NULL
|| ssid
->mode
!= WPAS_MODE_P2P_GO
||
2831 !ssid
->p2p_persistent_group
)
2832 return; /* Not operating as a GO in persistent group */
2833 ssid
= wpas_p2p_get_persistent(wpa_s
->parent
, peer
,
2834 ssid
->ssid
, ssid
->ssid_len
);
2835 wpas_remove_persistent_peer(wpa_s
, ssid
, peer
, 1);
2839 static void wpas_invitation_result(void *ctx
, int status
, const u8
*bssid
,
2840 const struct p2p_channels
*channels
,
2843 struct wpa_supplicant
*wpa_s
= ctx
;
2844 struct wpa_ssid
*ssid
;
2847 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_INVITATION_RESULT
2848 "status=%d " MACSTR
,
2849 status
, MAC2STR(bssid
));
2851 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_INVITATION_RESULT
2852 "status=%d ", status
);
2854 wpas_notify_p2p_invitation_result(wpa_s
, status
, bssid
);
2856 wpa_printf(MSG_DEBUG
, "P2P: Invitation result - status=%d peer=" MACSTR
,
2857 status
, MAC2STR(peer
));
2858 if (wpa_s
->pending_invite_ssid_id
== -1) {
2859 if (status
== P2P_SC_FAIL_UNKNOWN_GROUP
)
2860 wpas_remove_persistent_client(wpa_s
, peer
);
2861 return; /* Invitation to active group */
2864 if (status
== P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE
) {
2865 wpa_printf(MSG_DEBUG
, "P2P: Waiting for peer to start another "
2866 "invitation exchange to indicate readiness for "
2870 if (status
!= P2P_SC_SUCCESS
) {
2871 if (status
== P2P_SC_FAIL_UNKNOWN_GROUP
) {
2872 ssid
= wpa_config_get_network(
2873 wpa_s
->conf
, wpa_s
->pending_invite_ssid_id
);
2874 wpas_remove_persistent_peer(wpa_s
, ssid
, peer
, 1);
2876 wpas_p2p_remove_pending_group_interface(wpa_s
);
2880 ssid
= wpa_config_get_network(wpa_s
->conf
,
2881 wpa_s
->pending_invite_ssid_id
);
2883 wpa_printf(MSG_ERROR
, "P2P: Could not find persistent group "
2884 "data matching with invitation");
2889 * The peer could have missed our ctrl::ack frame for Invitation
2890 * Response and continue retransmitting the frame. To reduce the
2891 * likelihood of the peer not getting successful TX status for the
2892 * Invitation Response frame, wait a short time here before starting
2893 * the persistent group so that we will remain on the current channel to
2894 * acknowledge any possible retransmission from the peer.
2896 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: 50 ms wait on current channel before "
2897 "starting persistent group");
2900 wpas_p2p_group_add_persistent(wpa_s
, ssid
,
2901 ssid
->mode
== WPAS_MODE_P2P_GO
,
2902 wpa_s
->p2p_persistent_go_freq
,
2903 wpa_s
->p2p_go_ht40
, wpa_s
->p2p_go_vht
,
2905 ssid
->mode
== WPAS_MODE_P2P_GO
?
2906 P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE
:
2911 static int wpas_p2p_disallowed_freq(struct wpa_global
*global
,
2914 return freq_range_list_includes(&global
->p2p_disallow_freq
, freq
);
2918 static void wpas_p2p_add_chan(struct p2p_reg_class
*reg
, u8 chan
)
2920 reg
->channel
[reg
->channels
] = chan
;
2925 static int wpas_p2p_default_channels(struct wpa_supplicant
*wpa_s
,
2926 struct p2p_channels
*chan
,
2927 struct p2p_channels
*cli_chan
)
2931 os_memset(cli_chan
, 0, sizeof(*cli_chan
));
2933 wpa_printf(MSG_DEBUG
, "P2P: Enable operating classes for 2.4 GHz "
2936 /* Operating class 81 - 2.4 GHz band channels 1..13 */
2937 chan
->reg_class
[cla
].reg_class
= 81;
2938 chan
->reg_class
[cla
].channels
= 0;
2939 for (i
= 0; i
< 11; i
++) {
2940 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 2412 + i
* 5))
2941 wpas_p2p_add_chan(&chan
->reg_class
[cla
], i
+ 1);
2943 if (chan
->reg_class
[cla
].channels
)
2946 wpa_printf(MSG_DEBUG
, "P2P: Enable operating classes for lower 5 GHz "
2949 /* Operating class 115 - 5 GHz, channels 36-48 */
2950 chan
->reg_class
[cla
].reg_class
= 115;
2951 chan
->reg_class
[cla
].channels
= 0;
2952 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 5000 + 36 * 5))
2953 wpas_p2p_add_chan(&chan
->reg_class
[cla
], 36);
2954 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 5000 + 40 * 5))
2955 wpas_p2p_add_chan(&chan
->reg_class
[cla
], 40);
2956 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 5000 + 44 * 5))
2957 wpas_p2p_add_chan(&chan
->reg_class
[cla
], 44);
2958 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 5000 + 48 * 5))
2959 wpas_p2p_add_chan(&chan
->reg_class
[cla
], 48);
2960 if (chan
->reg_class
[cla
].channels
)
2963 wpa_printf(MSG_DEBUG
, "P2P: Enable operating classes for higher 5 GHz "
2966 /* Operating class 124 - 5 GHz, channels 149,153,157,161 */
2967 chan
->reg_class
[cla
].reg_class
= 124;
2968 chan
->reg_class
[cla
].channels
= 0;
2969 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 5000 + 149 * 5))
2970 wpas_p2p_add_chan(&chan
->reg_class
[cla
], 149);
2971 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 5000 + 153 * 5))
2972 wpas_p2p_add_chan(&chan
->reg_class
[cla
], 153);
2973 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 5000 + 156 * 5))
2974 wpas_p2p_add_chan(&chan
->reg_class
[cla
], 157);
2975 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 5000 + 161 * 5))
2976 wpas_p2p_add_chan(&chan
->reg_class
[cla
], 161);
2977 if (chan
->reg_class
[cla
].channels
)
2980 chan
->reg_classes
= cla
;
2985 static struct hostapd_hw_modes
* get_mode(struct hostapd_hw_modes
*modes
,
2987 enum hostapd_hw_mode mode
)
2991 for (i
= 0; i
< num_modes
; i
++) {
2992 if (modes
[i
].mode
== mode
)
3001 NOT_ALLOWED
, PASSIVE_ONLY
, ALLOWED
3004 static int has_channel(struct wpa_global
*global
,
3005 struct hostapd_hw_modes
*mode
, u8 chan
, int *flags
)
3010 freq
= (mode
->mode
== HOSTAPD_MODE_IEEE80211A
? 5000 : 2407) +
3012 if (wpas_p2p_disallowed_freq(global
, freq
))
3015 for (i
= 0; i
< mode
->num_channels
; i
++) {
3016 if (mode
->channels
[i
].chan
== chan
) {
3018 *flags
= mode
->channels
[i
].flag
;
3019 if (mode
->channels
[i
].flag
&
3020 (HOSTAPD_CHAN_DISABLED
|
3021 HOSTAPD_CHAN_RADAR
))
3023 if (mode
->channels
[i
].flag
&
3024 (HOSTAPD_CHAN_PASSIVE_SCAN
|
3025 HOSTAPD_CHAN_NO_IBSS
))
3026 return PASSIVE_ONLY
;
3035 struct p2p_oper_class_map
{
3036 enum hostapd_hw_mode mode
;
3041 enum { BW20
, BW40PLUS
, BW40MINUS
} bw
;
3044 static struct p2p_oper_class_map op_class
[] = {
3045 { HOSTAPD_MODE_IEEE80211G
, 81, 1, 13, 1, BW20
},
3046 #if 0 /* Do not enable HT40 on 2 GHz for now */
3047 { HOSTAPD_MODE_IEEE80211G
, 83, 1, 9, 1, BW40PLUS
},
3048 { HOSTAPD_MODE_IEEE80211G
, 84, 5, 13, 1, BW40MINUS
},
3050 { HOSTAPD_MODE_IEEE80211A
, 115, 36, 48, 4, BW20
},
3051 { HOSTAPD_MODE_IEEE80211A
, 124, 149, 161, 4, BW20
},
3052 { HOSTAPD_MODE_IEEE80211A
, 116, 36, 44, 8, BW40PLUS
},
3053 { HOSTAPD_MODE_IEEE80211A
, 117, 40, 48, 8, BW40MINUS
},
3054 { HOSTAPD_MODE_IEEE80211A
, 126, 149, 157, 8, BW40PLUS
},
3055 { HOSTAPD_MODE_IEEE80211A
, 127, 153, 161, 8, BW40MINUS
},
3056 { -1, 0, 0, 0, 0, BW20
}
3060 static enum chan_allowed
wpas_p2p_verify_channel(struct wpa_supplicant
*wpa_s
,
3061 struct hostapd_hw_modes
*mode
,
3065 enum chan_allowed res
, res2
;
3067 res2
= res
= has_channel(wpa_s
->global
, mode
, channel
, &flag
);
3068 if (bw
== BW40MINUS
) {
3069 if (!(flag
& HOSTAPD_CHAN_HT40MINUS
))
3071 res2
= has_channel(wpa_s
->global
, mode
, channel
- 4, NULL
);
3072 } else if (bw
== BW40PLUS
) {
3073 if (!(flag
& HOSTAPD_CHAN_HT40PLUS
))
3075 res2
= has_channel(wpa_s
->global
, mode
, channel
+ 4, NULL
);
3078 if (res
== NOT_ALLOWED
|| res2
== NOT_ALLOWED
)
3080 if (res
== PASSIVE_ONLY
|| res2
== PASSIVE_ONLY
)
3081 return PASSIVE_ONLY
;
3086 static int wpas_p2p_setup_channels(struct wpa_supplicant
*wpa_s
,
3087 struct p2p_channels
*chan
,
3088 struct p2p_channels
*cli_chan
)
3090 struct hostapd_hw_modes
*mode
;
3091 int cla
, op
, cli_cla
;
3093 if (wpa_s
->hw
.modes
== NULL
) {
3094 wpa_printf(MSG_DEBUG
, "P2P: Driver did not support fetching "
3095 "of all supported channels; assume dualband "
3097 return wpas_p2p_default_channels(wpa_s
, chan
, cli_chan
);
3102 for (op
= 0; op_class
[op
].op_class
; op
++) {
3103 struct p2p_oper_class_map
*o
= &op_class
[op
];
3105 struct p2p_reg_class
*reg
= NULL
, *cli_reg
= NULL
;
3107 mode
= get_mode(wpa_s
->hw
.modes
, wpa_s
->hw
.num_modes
, o
->mode
);
3110 for (ch
= o
->min_chan
; ch
<= o
->max_chan
; ch
+= o
->inc
) {
3111 enum chan_allowed res
;
3112 res
= wpas_p2p_verify_channel(wpa_s
, mode
, ch
, o
->bw
);
3113 if (res
== ALLOWED
) {
3115 wpa_printf(MSG_DEBUG
, "P2P: Add operating class %u",
3117 reg
= &chan
->reg_class
[cla
];
3119 reg
->reg_class
= o
->op_class
;
3121 reg
->channel
[reg
->channels
] = ch
;
3123 } else if (res
== PASSIVE_ONLY
&&
3124 wpa_s
->conf
->p2p_add_cli_chan
) {
3125 if (cli_reg
== NULL
) {
3126 wpa_printf(MSG_DEBUG
, "P2P: Add operating class %u (client only)",
3128 cli_reg
= &cli_chan
->reg_class
[cli_cla
];
3130 cli_reg
->reg_class
= o
->op_class
;
3132 cli_reg
->channel
[cli_reg
->channels
] = ch
;
3133 cli_reg
->channels
++;
3137 wpa_hexdump(MSG_DEBUG
, "P2P: Channels",
3138 reg
->channel
, reg
->channels
);
3141 wpa_hexdump(MSG_DEBUG
, "P2P: Channels (client only)",
3142 cli_reg
->channel
, cli_reg
->channels
);
3146 chan
->reg_classes
= cla
;
3147 cli_chan
->reg_classes
= cli_cla
;
3153 int wpas_p2p_get_ht40_mode(struct wpa_supplicant
*wpa_s
,
3154 struct hostapd_hw_modes
*mode
, u8 channel
)
3157 enum chan_allowed ret
;
3159 for (op
= 0; op_class
[op
].op_class
; op
++) {
3160 struct p2p_oper_class_map
*o
= &op_class
[op
];
3163 for (ch
= o
->min_chan
; ch
<= o
->max_chan
; ch
+= o
->inc
) {
3164 if (o
->mode
!= HOSTAPD_MODE_IEEE80211A
||
3165 o
->bw
== BW20
|| ch
!= channel
)
3167 ret
= wpas_p2p_verify_channel(wpa_s
, mode
, ch
, o
->bw
);
3169 return (o
->bw
== BW40MINUS
) ? -1 : 1;
3176 static int wpas_get_noa(void *ctx
, const u8
*interface_addr
, u8
*buf
,
3179 struct wpa_supplicant
*wpa_s
= ctx
;
3181 for (wpa_s
= wpa_s
->global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
3182 if (os_memcmp(wpa_s
->own_addr
, interface_addr
, ETH_ALEN
) == 0)
3188 return wpa_drv_get_noa(wpa_s
, buf
, buf_len
);
3192 static int wpas_go_connected(void *ctx
, const u8
*dev_addr
)
3194 struct wpa_supplicant
*wpa_s
= ctx
;
3196 for (wpa_s
= wpa_s
->global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
3197 struct wpa_ssid
*ssid
= wpa_s
->current_ssid
;
3200 if (ssid
->mode
!= WPAS_MODE_INFRA
)
3202 if (wpa_s
->wpa_state
!= WPA_COMPLETED
&&
3203 wpa_s
->wpa_state
!= WPA_GROUP_HANDSHAKE
)
3205 if (os_memcmp(wpa_s
->go_dev_addr
, dev_addr
, ETH_ALEN
) == 0)
3213 static void wpas_p2p_debug_print(void *ctx
, int level
, const char *msg
)
3215 struct wpa_supplicant
*wpa_s
= ctx
;
3216 wpa_msg_global(wpa_s
, level
, "P2P: %s", msg
);
3220 int wpas_p2p_add_p2pdev_interface(struct wpa_supplicant
*wpa_s
)
3222 struct wpa_interface iface
;
3223 struct wpa_supplicant
*p2pdev_wpa_s
;
3225 char force_name
[100];
3228 os_snprintf(ifname
, sizeof(ifname
), P2P_MGMT_DEVICE_PREFIX
"%s",
3230 force_name
[0] = '\0';
3231 wpa_s
->pending_interface_type
= WPA_IF_P2P_DEVICE
;
3232 ret
= wpa_drv_if_add(wpa_s
, WPA_IF_P2P_DEVICE
, ifname
, NULL
, NULL
,
3233 force_name
, wpa_s
->pending_interface_addr
, NULL
);
3235 wpa_printf(MSG_DEBUG
, "P2P: Failed to create P2P Device interface");
3238 os_strlcpy(wpa_s
->pending_interface_name
, ifname
,
3239 sizeof(wpa_s
->pending_interface_name
));
3241 os_memset(&iface
, 0, sizeof(iface
));
3243 iface
.ifname
= wpa_s
->pending_interface_name
;
3244 iface
.driver
= wpa_s
->driver
->name
;
3245 iface
.driver_param
= wpa_s
->conf
->driver_param
;
3246 iface
.confname
= wpa_s
->confname
;
3247 p2pdev_wpa_s
= wpa_supplicant_add_iface(wpa_s
->global
, &iface
);
3248 if (!p2pdev_wpa_s
) {
3249 wpa_printf(MSG_DEBUG
, "P2P: Failed to add P2P Device interface");
3252 p2pdev_wpa_s
->parent
= wpa_s
;
3254 wpa_s
->pending_interface_name
[0] = '\0';
3260 * wpas_p2p_init - Initialize P2P module for %wpa_supplicant
3261 * @global: Pointer to global data from wpa_supplicant_init()
3262 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
3263 * Returns: 0 on success, -1 on failure
3265 int wpas_p2p_init(struct wpa_global
*global
, struct wpa_supplicant
*wpa_s
)
3267 struct p2p_config p2p
;
3271 if (wpa_s
->conf
->p2p_disabled
)
3274 if (!(wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_P2P_CAPABLE
))
3280 if (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_P2P_MGMT
) {
3281 struct p2p_params params
;
3283 wpa_printf(MSG_DEBUG
, "P2P: Use driver-based P2P management");
3284 os_memset(¶ms
, 0, sizeof(params
));
3285 params
.dev_name
= wpa_s
->conf
->device_name
;
3286 os_memcpy(params
.pri_dev_type
, wpa_s
->conf
->device_type
,
3288 params
.num_sec_dev_types
= wpa_s
->conf
->num_sec_device_types
;
3289 os_memcpy(params
.sec_dev_type
,
3290 wpa_s
->conf
->sec_device_type
,
3291 params
.num_sec_dev_types
* WPS_DEV_TYPE_LEN
);
3293 if (wpa_drv_p2p_set_params(wpa_s
, ¶ms
) < 0)
3299 os_memset(&p2p
, 0, sizeof(p2p
));
3301 p2p
.debug_print
= wpas_p2p_debug_print
;
3302 p2p
.p2p_scan
= wpas_p2p_scan
;
3303 p2p
.send_action
= wpas_send_action
;
3304 p2p
.send_action_done
= wpas_send_action_done
;
3305 p2p
.go_neg_completed
= wpas_go_neg_completed
;
3306 p2p
.go_neg_req_rx
= wpas_go_neg_req_rx
;
3307 p2p
.dev_found
= wpas_dev_found
;
3308 p2p
.dev_lost
= wpas_dev_lost
;
3309 p2p
.find_stopped
= wpas_find_stopped
;
3310 p2p
.start_listen
= wpas_start_listen
;
3311 p2p
.stop_listen
= wpas_stop_listen
;
3312 p2p
.send_probe_resp
= wpas_send_probe_resp
;
3313 p2p
.sd_request
= wpas_sd_request
;
3314 p2p
.sd_response
= wpas_sd_response
;
3315 p2p
.prov_disc_req
= wpas_prov_disc_req
;
3316 p2p
.prov_disc_resp
= wpas_prov_disc_resp
;
3317 p2p
.prov_disc_fail
= wpas_prov_disc_fail
;
3318 p2p
.invitation_process
= wpas_invitation_process
;
3319 p2p
.invitation_received
= wpas_invitation_received
;
3320 p2p
.invitation_result
= wpas_invitation_result
;
3321 p2p
.get_noa
= wpas_get_noa
;
3322 p2p
.go_connected
= wpas_go_connected
;
3324 os_memcpy(wpa_s
->global
->p2p_dev_addr
, wpa_s
->own_addr
, ETH_ALEN
);
3325 os_memcpy(p2p
.dev_addr
, wpa_s
->global
->p2p_dev_addr
, ETH_ALEN
);
3326 p2p
.dev_name
= wpa_s
->conf
->device_name
;
3327 p2p
.manufacturer
= wpa_s
->conf
->manufacturer
;
3328 p2p
.model_name
= wpa_s
->conf
->model_name
;
3329 p2p
.model_number
= wpa_s
->conf
->model_number
;
3330 p2p
.serial_number
= wpa_s
->conf
->serial_number
;
3332 os_memcpy(p2p
.uuid
, wpa_s
->wps
->uuid
, 16);
3333 p2p
.config_methods
= wpa_s
->wps
->config_methods
;
3336 if (wpa_s
->conf
->p2p_listen_reg_class
&&
3337 wpa_s
->conf
->p2p_listen_channel
) {
3338 p2p
.reg_class
= wpa_s
->conf
->p2p_listen_reg_class
;
3339 p2p
.channel
= wpa_s
->conf
->p2p_listen_channel
;
3343 * Pick one of the social channels randomly as the listen
3346 os_get_random((u8
*) &r
, sizeof(r
));
3347 p2p
.channel
= 1 + (r
% 3) * 5;
3349 wpa_printf(MSG_DEBUG
, "P2P: Own listen channel: %d", p2p
.channel
);
3351 if (wpa_s
->conf
->p2p_oper_reg_class
&&
3352 wpa_s
->conf
->p2p_oper_channel
) {
3353 p2p
.op_reg_class
= wpa_s
->conf
->p2p_oper_reg_class
;
3354 p2p
.op_channel
= wpa_s
->conf
->p2p_oper_channel
;
3355 p2p
.cfg_op_channel
= 1;
3356 wpa_printf(MSG_DEBUG
, "P2P: Configured operating channel: "
3357 "%d:%d", p2p
.op_reg_class
, p2p
.op_channel
);
3360 p2p
.op_reg_class
= 81;
3362 * Use random operation channel from (1, 6, 11) if no other
3363 * preference is indicated.
3365 os_get_random((u8
*) &r
, sizeof(r
));
3366 p2p
.op_channel
= 1 + (r
% 3) * 5;
3367 p2p
.cfg_op_channel
= 0;
3368 wpa_printf(MSG_DEBUG
, "P2P: Random operating channel: "
3369 "%d:%d", p2p
.op_reg_class
, p2p
.op_channel
);
3372 if (wpa_s
->conf
->p2p_pref_chan
&& wpa_s
->conf
->num_p2p_pref_chan
) {
3373 p2p
.pref_chan
= wpa_s
->conf
->p2p_pref_chan
;
3374 p2p
.num_pref_chan
= wpa_s
->conf
->num_p2p_pref_chan
;
3377 if (wpa_s
->conf
->country
[0] && wpa_s
->conf
->country
[1]) {
3378 os_memcpy(p2p
.country
, wpa_s
->conf
->country
, 2);
3379 p2p
.country
[2] = 0x04;
3381 os_memcpy(p2p
.country
, "XX\x04", 3);
3383 if (wpas_p2p_setup_channels(wpa_s
, &p2p
.channels
, &p2p
.cli_channels
)) {
3384 wpa_printf(MSG_ERROR
, "P2P: Failed to configure supported "
3389 os_memcpy(p2p
.pri_dev_type
, wpa_s
->conf
->device_type
,
3392 p2p
.num_sec_dev_types
= wpa_s
->conf
->num_sec_device_types
;
3393 os_memcpy(p2p
.sec_dev_type
, wpa_s
->conf
->sec_device_type
,
3394 p2p
.num_sec_dev_types
* WPS_DEV_TYPE_LEN
);
3396 p2p
.concurrent_operations
= !!(wpa_s
->drv_flags
&
3397 WPA_DRIVER_FLAGS_P2P_CONCURRENT
);
3399 p2p
.max_peers
= 100;
3401 if (wpa_s
->conf
->p2p_ssid_postfix
) {
3402 p2p
.ssid_postfix_len
=
3403 os_strlen(wpa_s
->conf
->p2p_ssid_postfix
);
3404 if (p2p
.ssid_postfix_len
> sizeof(p2p
.ssid_postfix
))
3405 p2p
.ssid_postfix_len
= sizeof(p2p
.ssid_postfix
);
3406 os_memcpy(p2p
.ssid_postfix
, wpa_s
->conf
->p2p_ssid_postfix
,
3407 p2p
.ssid_postfix_len
);
3410 p2p
.p2p_intra_bss
= wpa_s
->conf
->p2p_intra_bss
;
3412 p2p
.max_listen
= wpa_s
->max_remain_on_chan
;
3414 global
->p2p
= p2p_init(&p2p
);
3415 if (global
->p2p
== NULL
)
3417 global
->p2p_init_wpa_s
= wpa_s
;
3419 for (i
= 0; i
< MAX_WPS_VENDOR_EXT
; i
++) {
3420 if (wpa_s
->conf
->wps_vendor_ext
[i
] == NULL
)
3422 p2p_add_wps_vendor_extension(
3423 global
->p2p
, wpa_s
->conf
->wps_vendor_ext
[i
]);
3426 p2p_set_no_go_freq(global
->p2p
, &wpa_s
->conf
->p2p_no_go_freq
);
3433 * wpas_p2p_deinit - Deinitialize per-interface P2P data
3434 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
3436 * This function deinitialize per-interface P2P data.
3438 void wpas_p2p_deinit(struct wpa_supplicant
*wpa_s
)
3440 if (wpa_s
->driver
&& wpa_s
->drv_priv
)
3441 wpa_drv_probe_req_report(wpa_s
, 0);
3443 if (wpa_s
->go_params
) {
3444 /* Clear any stored provisioning info */
3445 p2p_clear_provisioning_info(
3447 wpa_s
->go_params
->peer_device_addr
);
3450 os_free(wpa_s
->go_params
);
3451 wpa_s
->go_params
= NULL
;
3452 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
, wpa_s
, NULL
);
3453 eloop_cancel_timeout(wpas_p2p_join_scan
, wpa_s
, NULL
);
3454 wpa_s
->p2p_long_listen
= 0;
3455 eloop_cancel_timeout(wpas_p2p_long_listen_timeout
, wpa_s
, NULL
);
3456 eloop_cancel_timeout(wpas_p2p_group_idle_timeout
, wpa_s
, NULL
);
3457 wpas_p2p_remove_pending_group_interface(wpa_s
);
3459 /* TODO: remove group interface from the driver if this wpa_s instance
3460 * is on top of a P2P group interface */
3465 * wpas_p2p_deinit_global - Deinitialize global P2P module
3466 * @global: Pointer to global data from wpa_supplicant_init()
3468 * This function deinitializes the global (per device) P2P module.
3470 void wpas_p2p_deinit_global(struct wpa_global
*global
)
3472 struct wpa_supplicant
*wpa_s
, *tmp
;
3474 wpa_s
= global
->ifaces
;
3476 wpas_p2p_service_flush(wpa_s
);
3478 if (global
->p2p
== NULL
)
3481 /* Remove remaining P2P group interfaces */
3482 while (wpa_s
&& wpa_s
->p2p_group_interface
!= NOT_P2P_GROUP_INTERFACE
)
3483 wpa_s
= wpa_s
->next
;
3485 tmp
= global
->ifaces
;
3488 tmp
->p2p_group_interface
== NOT_P2P_GROUP_INTERFACE
)) {
3493 /* Disconnect from the P2P group and deinit the interface */
3494 wpas_p2p_disconnect(tmp
);
3498 * Deinit GO data on any possibly remaining interface (if main
3499 * interface is used as GO).
3501 for (wpa_s
= global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
3502 if (wpa_s
->ap_iface
)
3503 wpas_p2p_group_deinit(wpa_s
);
3506 p2p_deinit(global
->p2p
);
3508 global
->p2p_init_wpa_s
= NULL
;
3512 static int wpas_p2p_create_iface(struct wpa_supplicant
*wpa_s
)
3514 if (!(wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE
) &&
3515 wpa_s
->conf
->p2p_no_group_iface
)
3516 return 0; /* separate interface disabled per configuration */
3517 if (wpa_s
->drv_flags
&
3518 (WPA_DRIVER_FLAGS_P2P_DEDICATED_INTERFACE
|
3519 WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P
))
3520 return 1; /* P2P group requires a new interface in every case
3522 if (!(wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_P2P_CONCURRENT
))
3523 return 0; /* driver does not support concurrent operations */
3524 if (wpa_s
->global
->ifaces
->next
)
3525 return 1; /* more that one interface already in use */
3526 if (wpa_s
->wpa_state
>= WPA_AUTHENTICATING
)
3527 return 1; /* this interface is already in use */
3532 static int wpas_p2p_start_go_neg(struct wpa_supplicant
*wpa_s
,
3533 const u8
*peer_addr
,
3534 enum p2p_wps_method wps_method
,
3535 int go_intent
, const u8
*own_interface_addr
,
3536 unsigned int force_freq
, int persistent_group
,
3537 struct wpa_ssid
*ssid
, unsigned int pref_freq
)
3539 if (persistent_group
&& wpa_s
->conf
->persistent_reconnect
)
3540 persistent_group
= 2;
3542 if (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_P2P_MGMT
) {
3543 return wpa_drv_p2p_connect(wpa_s
, peer_addr
, wps_method
,
3544 go_intent
, own_interface_addr
,
3545 force_freq
, persistent_group
);
3549 * Increase GO config timeout if HT40 is used since it takes some time
3550 * to scan channels for coex purposes before the BSS can be started.
3552 p2p_set_config_timeout(wpa_s
->global
->p2p
,
3553 wpa_s
->p2p_go_ht40
? 255 : 100, 20);
3555 return p2p_connect(wpa_s
->global
->p2p
, peer_addr
, wps_method
,
3556 go_intent
, own_interface_addr
, force_freq
,
3557 persistent_group
, ssid
? ssid
->ssid
: NULL
,
3558 ssid
? ssid
->ssid_len
: 0,
3559 wpa_s
->p2p_pd_before_go_neg
, pref_freq
);
3563 static int wpas_p2p_auth_go_neg(struct wpa_supplicant
*wpa_s
,
3564 const u8
*peer_addr
,
3565 enum p2p_wps_method wps_method
,
3566 int go_intent
, const u8
*own_interface_addr
,
3567 unsigned int force_freq
, int persistent_group
,
3568 struct wpa_ssid
*ssid
, unsigned int pref_freq
)
3570 if (persistent_group
&& wpa_s
->conf
->persistent_reconnect
)
3571 persistent_group
= 2;
3573 if (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_P2P_MGMT
)
3576 return p2p_authorize(wpa_s
->global
->p2p
, peer_addr
, wps_method
,
3577 go_intent
, own_interface_addr
, force_freq
,
3578 persistent_group
, ssid
? ssid
->ssid
: NULL
,
3579 ssid
? ssid
->ssid_len
: 0, pref_freq
);
3583 static void wpas_p2p_check_join_scan_limit(struct wpa_supplicant
*wpa_s
)
3585 wpa_s
->p2p_join_scan_count
++;
3586 wpa_printf(MSG_DEBUG
, "P2P: Join scan attempt %d",
3587 wpa_s
->p2p_join_scan_count
);
3588 if (wpa_s
->p2p_join_scan_count
> P2P_MAX_JOIN_SCAN_ATTEMPTS
) {
3589 wpa_printf(MSG_DEBUG
, "P2P: Failed to find GO " MACSTR
3590 " for join operationg - stop join attempt",
3591 MAC2STR(wpa_s
->pending_join_iface_addr
));
3592 eloop_cancel_timeout(wpas_p2p_join_scan
, wpa_s
, NULL
);
3593 if (wpa_s
->p2p_auto_pd
) {
3594 wpa_s
->p2p_auto_pd
= 0;
3595 wpa_msg_global(wpa_s
, MSG_INFO
,
3596 P2P_EVENT_PROV_DISC_FAILURE
3597 " p2p_dev_addr=" MACSTR
" status=N/A",
3598 MAC2STR(wpa_s
->pending_join_dev_addr
));
3601 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
3602 P2P_EVENT_GROUP_FORMATION_FAILURE
);
3607 static int wpas_check_freq_conflict(struct wpa_supplicant
*wpa_s
, int freq
)
3609 int *freqs
, res
, num
, i
;
3611 if (wpas_p2p_num_unused_channels(wpa_s
) > 0) {
3612 /* Multiple channels are supported and not all are in use */
3616 freqs
= os_calloc(wpa_s
->num_multichan_concurrent
, sizeof(int));
3620 num
= wpas_p2p_valid_oper_freqs(wpa_s
, freqs
,
3621 wpa_s
->num_multichan_concurrent
);
3627 for (i
= 0; i
< num
; i
++) {
3628 if (freqs
[i
] == freq
) {
3629 wpa_printf(MSG_DEBUG
, "P2P: Frequency %d MHz in use by another virtual interface and can be used",
3644 static int wpas_p2p_peer_go(struct wpa_supplicant
*wpa_s
,
3645 const u8
*peer_dev_addr
)
3647 struct wpa_bss
*bss
;
3650 bss
= wpa_bss_get_p2p_dev_addr(wpa_s
, peer_dev_addr
);
3653 if (bss
->last_update_idx
< wpa_s
->bss_update_idx
) {
3654 wpa_printf(MSG_DEBUG
, "P2P: Peer BSS entry not updated in the "
3659 updated
= os_time_before(&wpa_s
->p2p_auto_started
, &bss
->last_update
);
3660 wpa_printf(MSG_DEBUG
, "P2P: Current BSS entry for peer updated at "
3661 "%ld.%06ld (%supdated in last scan)",
3662 bss
->last_update
.sec
, bss
->last_update
.usec
,
3663 updated
? "": "not ");
3669 static void wpas_p2p_scan_res_join(struct wpa_supplicant
*wpa_s
,
3670 struct wpa_scan_results
*scan_res
)
3672 struct wpa_bss
*bss
;
3674 u8 iface_addr
[ETH_ALEN
];
3676 eloop_cancel_timeout(wpas_p2p_join_scan
, wpa_s
, NULL
);
3678 if (wpa_s
->global
->p2p_disabled
)
3681 wpa_printf(MSG_DEBUG
, "P2P: Scan results received (%d BSS) for %sjoin",
3682 scan_res
? (int) scan_res
->num
: -1,
3683 wpa_s
->p2p_auto_join
? "auto_" : "");
3686 wpas_p2p_scan_res_handler(wpa_s
, scan_res
);
3688 if (wpa_s
->p2p_auto_pd
) {
3689 int join
= wpas_p2p_peer_go(wpa_s
,
3690 wpa_s
->pending_join_dev_addr
);
3692 wpa_s
->auto_pd_scan_retry
< P2P_AUTO_PD_SCAN_ATTEMPTS
) {
3693 wpa_s
->auto_pd_scan_retry
++;
3694 bss
= wpa_bss_get_bssid_latest(
3695 wpa_s
, wpa_s
->pending_join_dev_addr
);
3698 wpa_printf(MSG_DEBUG
, "P2P: Scan retry %d for "
3699 "the peer " MACSTR
" at %d MHz",
3700 wpa_s
->auto_pd_scan_retry
,
3702 pending_join_dev_addr
),
3704 wpas_p2p_join_scan_req(wpa_s
, freq
);
3712 wpa_s
->p2p_auto_pd
= 0;
3713 wpa_s
->pending_pd_use
= join
? AUTO_PD_JOIN
: AUTO_PD_GO_NEG
;
3714 wpa_printf(MSG_DEBUG
, "P2P: Auto PD with " MACSTR
" join=%d",
3715 MAC2STR(wpa_s
->pending_join_dev_addr
), join
);
3716 if (p2p_prov_disc_req(wpa_s
->global
->p2p
,
3717 wpa_s
->pending_join_dev_addr
,
3718 wpa_s
->pending_pd_config_methods
, join
,
3719 0, wpa_s
->user_initiated_pd
) < 0) {
3720 wpa_s
->p2p_auto_pd
= 0;
3721 wpa_msg_global(wpa_s
, MSG_INFO
,
3722 P2P_EVENT_PROV_DISC_FAILURE
3723 " p2p_dev_addr=" MACSTR
" status=N/A",
3724 MAC2STR(wpa_s
->pending_join_dev_addr
));
3729 if (wpa_s
->p2p_auto_join
) {
3730 int join
= wpas_p2p_peer_go(wpa_s
,
3731 wpa_s
->pending_join_dev_addr
);
3733 wpa_printf(MSG_DEBUG
, "P2P: Peer was not found to be "
3734 "running a GO -> use GO Negotiation");
3735 wpas_p2p_connect(wpa_s
, wpa_s
->pending_join_dev_addr
,
3736 wpa_s
->p2p_pin
, wpa_s
->p2p_wps_method
,
3737 wpa_s
->p2p_persistent_group
, 0, 0, 0,
3738 wpa_s
->p2p_go_intent
,
3739 wpa_s
->p2p_connect_freq
,
3740 wpa_s
->p2p_persistent_id
,
3741 wpa_s
->p2p_pd_before_go_neg
,
3747 wpa_printf(MSG_DEBUG
, "P2P: Peer was found running GO%s -> "
3748 "try to join the group", join
? "" :
3751 wpa_s
->p2p_fallback_to_go_neg
= 1;
3754 freq
= p2p_get_oper_freq(wpa_s
->global
->p2p
,
3755 wpa_s
->pending_join_iface_addr
);
3757 p2p_get_interface_addr(wpa_s
->global
->p2p
,
3758 wpa_s
->pending_join_dev_addr
,
3760 os_memcmp(iface_addr
, wpa_s
->pending_join_dev_addr
, ETH_ALEN
) != 0)
3762 wpa_printf(MSG_DEBUG
, "P2P: Overwrite pending interface "
3763 "address for join from " MACSTR
" to " MACSTR
3764 " based on newly discovered P2P peer entry",
3765 MAC2STR(wpa_s
->pending_join_iface_addr
),
3766 MAC2STR(iface_addr
));
3767 os_memcpy(wpa_s
->pending_join_iface_addr
, iface_addr
,
3770 freq
= p2p_get_oper_freq(wpa_s
->global
->p2p
,
3771 wpa_s
->pending_join_iface_addr
);
3774 wpa_printf(MSG_DEBUG
, "P2P: Target GO operating frequency "
3775 "from P2P peer table: %d MHz", freq
);
3777 bss
= wpa_bss_get_bssid_latest(wpa_s
, wpa_s
->pending_join_iface_addr
);
3780 wpa_printf(MSG_DEBUG
, "P2P: Target GO operating frequency "
3781 "from BSS table: %d MHz (SSID %s)", freq
,
3782 wpa_ssid_txt(bss
->ssid
, bss
->ssid_len
));
3787 if (wpas_check_freq_conflict(wpa_s
, freq
) > 0) {
3788 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
3789 P2P_EVENT_GROUP_FORMATION_FAILURE
3790 "reason=FREQ_CONFLICT");
3794 wpa_printf(MSG_DEBUG
, "P2P: Send Provision Discovery Request "
3795 "prior to joining an existing group (GO " MACSTR
3797 MAC2STR(wpa_s
->pending_join_dev_addr
), freq
);
3798 wpa_s
->pending_pd_before_join
= 1;
3800 switch (wpa_s
->pending_join_wps_method
) {
3801 case WPS_PIN_DISPLAY
:
3802 method
= WPS_CONFIG_KEYPAD
;
3804 case WPS_PIN_KEYPAD
:
3805 method
= WPS_CONFIG_DISPLAY
;
3808 method
= WPS_CONFIG_PUSHBUTTON
;
3815 if ((p2p_get_provisioning_info(wpa_s
->global
->p2p
,
3816 wpa_s
->pending_join_dev_addr
) ==
3819 * We have already performed provision discovery for
3820 * joining the group. Proceed directly to join
3821 * operation without duplicated provision discovery. */
3822 wpa_printf(MSG_DEBUG
, "P2P: Provision discovery "
3823 "with " MACSTR
" already done - proceed to "
3825 MAC2STR(wpa_s
->pending_join_dev_addr
));
3826 wpa_s
->pending_pd_before_join
= 0;
3830 if (p2p_prov_disc_req(wpa_s
->global
->p2p
,
3831 wpa_s
->pending_join_dev_addr
, method
, 1,
3832 freq
, wpa_s
->user_initiated_pd
) < 0) {
3833 wpa_printf(MSG_DEBUG
, "P2P: Failed to send Provision "
3834 "Discovery Request before joining an "
3836 wpa_s
->pending_pd_before_join
= 0;
3842 wpa_printf(MSG_DEBUG
, "P2P: Failed to find BSS/GO - try again later");
3843 eloop_cancel_timeout(wpas_p2p_join_scan
, wpa_s
, NULL
);
3844 eloop_register_timeout(1, 0, wpas_p2p_join_scan
, wpa_s
, NULL
);
3845 wpas_p2p_check_join_scan_limit(wpa_s
);
3849 /* Start join operation immediately */
3850 wpas_p2p_join_start(wpa_s
);
3854 static void wpas_p2p_join_scan_req(struct wpa_supplicant
*wpa_s
, int freq
)
3857 struct wpa_driver_scan_params params
;
3858 struct wpabuf
*wps_ie
, *ies
;
3860 int freqs
[2] = { 0, 0 };
3862 os_memset(¶ms
, 0, sizeof(params
));
3864 /* P2P Wildcard SSID */
3865 params
.num_ssids
= 1;
3866 params
.ssids
[0].ssid
= (u8
*) P2P_WILDCARD_SSID
;
3867 params
.ssids
[0].ssid_len
= P2P_WILDCARD_SSID_LEN
;
3869 wpa_s
->wps
->dev
.p2p
= 1;
3870 wps_ie
= wps_build_probe_req_ie(DEV_PW_DEFAULT
, &wpa_s
->wps
->dev
,
3871 wpa_s
->wps
->uuid
, WPS_REQ_ENROLLEE
, 0,
3873 if (wps_ie
== NULL
) {
3874 wpas_p2p_scan_res_join(wpa_s
, NULL
);
3878 ielen
= p2p_scan_ie_buf_len(wpa_s
->global
->p2p
);
3879 ies
= wpabuf_alloc(wpabuf_len(wps_ie
) + ielen
);
3881 wpabuf_free(wps_ie
);
3882 wpas_p2p_scan_res_join(wpa_s
, NULL
);
3885 wpabuf_put_buf(ies
, wps_ie
);
3886 wpabuf_free(wps_ie
);
3888 p2p_scan_ie(wpa_s
->global
->p2p
, ies
, NULL
);
3890 params
.p2p_probe
= 1;
3891 params
.extra_ies
= wpabuf_head(ies
);
3892 params
.extra_ies_len
= wpabuf_len(ies
);
3895 params
.freqs
= freqs
;
3899 * Run a scan to update BSS table and start Provision Discovery once
3900 * the new scan results become available.
3902 ret
= wpa_drv_scan(wpa_s
, ¶ms
);
3904 os_get_time(&wpa_s
->scan_trigger_time
);
3905 wpa_s
->scan_res_handler
= wpas_p2p_scan_res_join
;
3911 wpa_printf(MSG_DEBUG
, "P2P: Failed to start scan for join - "
3913 eloop_cancel_timeout(wpas_p2p_join_scan
, wpa_s
, NULL
);
3914 eloop_register_timeout(1, 0, wpas_p2p_join_scan
, wpa_s
, NULL
);
3915 wpas_p2p_check_join_scan_limit(wpa_s
);
3920 static void wpas_p2p_join_scan(void *eloop_ctx
, void *timeout_ctx
)
3922 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
3923 wpas_p2p_join_scan_req(wpa_s
, 0);
3927 static int wpas_p2p_join(struct wpa_supplicant
*wpa_s
, const u8
*iface_addr
,
3928 const u8
*dev_addr
, enum p2p_wps_method wps_method
,
3931 wpa_printf(MSG_DEBUG
, "P2P: Request to join existing group (iface "
3932 MACSTR
" dev " MACSTR
")%s",
3933 MAC2STR(iface_addr
), MAC2STR(dev_addr
),
3934 auto_join
? " (auto_join)" : "");
3936 wpa_s
->p2p_auto_pd
= 0;
3937 wpa_s
->p2p_auto_join
= !!auto_join
;
3938 os_memcpy(wpa_s
->pending_join_iface_addr
, iface_addr
, ETH_ALEN
);
3939 os_memcpy(wpa_s
->pending_join_dev_addr
, dev_addr
, ETH_ALEN
);
3940 wpa_s
->pending_join_wps_method
= wps_method
;
3942 /* Make sure we are not running find during connection establishment */
3943 wpas_p2p_stop_find(wpa_s
);
3945 wpa_s
->p2p_join_scan_count
= 0;
3946 wpas_p2p_join_scan(wpa_s
, NULL
);
3951 static int wpas_p2p_join_start(struct wpa_supplicant
*wpa_s
)
3953 struct wpa_supplicant
*group
;
3954 struct p2p_go_neg_results res
;
3955 struct wpa_bss
*bss
;
3957 group
= wpas_p2p_get_group_iface(wpa_s
, 0, 0);
3960 if (group
!= wpa_s
) {
3961 os_memcpy(group
->p2p_pin
, wpa_s
->p2p_pin
,
3962 sizeof(group
->p2p_pin
));
3963 group
->p2p_wps_method
= wpa_s
->p2p_wps_method
;
3966 * Need to mark the current interface for p2p_group_formation
3967 * when a separate group interface is not used. This is needed
3968 * to allow p2p_cancel stop a pending p2p_connect-join.
3969 * wpas_p2p_init_group_interface() addresses this for the case
3970 * where a separate group interface is used.
3972 wpa_s
->global
->p2p_group_formation
= wpa_s
;
3975 group
->p2p_in_provisioning
= 1;
3976 group
->p2p_fallback_to_go_neg
= wpa_s
->p2p_fallback_to_go_neg
;
3978 os_memset(&res
, 0, sizeof(res
));
3979 os_memcpy(res
.peer_interface_addr
, wpa_s
->pending_join_iface_addr
,
3981 res
.wps_method
= wpa_s
->pending_join_wps_method
;
3982 bss
= wpa_bss_get_bssid_latest(wpa_s
, wpa_s
->pending_join_iface_addr
);
3984 res
.freq
= bss
->freq
;
3985 res
.ssid_len
= bss
->ssid_len
;
3986 os_memcpy(res
.ssid
, bss
->ssid
, bss
->ssid_len
);
3987 wpa_printf(MSG_DEBUG
, "P2P: Join target GO operating frequency "
3988 "from BSS table: %d MHz (SSID %s)", bss
->freq
,
3989 wpa_ssid_txt(bss
->ssid
, bss
->ssid_len
));
3992 if (wpa_s
->off_channel_freq
|| wpa_s
->roc_waiting_drv_freq
) {
3993 wpa_printf(MSG_DEBUG
, "P2P: Cancel remain-on-channel prior to "
3995 wpa_drv_cancel_remain_on_channel(wpa_s
);
3996 wpa_s
->off_channel_freq
= 0;
3997 wpa_s
->roc_waiting_drv_freq
= 0;
3999 wpas_start_wps_enrollee(group
, &res
);
4002 * Allow a longer timeout for join-a-running-group than normal 15
4003 * second group formation timeout since the GO may not have authorized
4004 * our connection yet.
4006 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
, wpa_s
, NULL
);
4007 eloop_register_timeout(60, 0, wpas_p2p_group_formation_timeout
,
4014 static int wpas_p2p_setup_freqs(struct wpa_supplicant
*wpa_s
, int freq
,
4015 int *force_freq
, int *pref_freq
, int go
)
4018 unsigned int freq_in_use
= 0, num
, i
;
4020 freqs
= os_calloc(wpa_s
->num_multichan_concurrent
, sizeof(int));
4024 num
= get_shared_radio_freqs(wpa_s
, freqs
,
4025 wpa_s
->num_multichan_concurrent
);
4026 wpa_printf(MSG_DEBUG
,
4027 "P2P: Setup freqs: freq=%d num_MCC=%d shared_freqs=%u",
4028 freq
, wpa_s
->num_multichan_concurrent
, num
);
4033 ret
= p2p_supported_freq(wpa_s
->global
->p2p
, freq
);
4035 ret
= p2p_supported_freq_cli(wpa_s
->global
->p2p
, freq
);
4037 wpa_printf(MSG_DEBUG
, "P2P: The forced channel "
4038 "(%u MHz) is not supported for P2P uses",
4044 for (i
= 0; i
< num
; i
++) {
4045 if (freqs
[i
] == freq
)
4049 if (num
== wpa_s
->num_multichan_concurrent
&& !freq_in_use
) {
4050 wpa_printf(MSG_DEBUG
, "P2P: Cannot start P2P group on %u MHz as there are no available channels",
4055 wpa_printf(MSG_DEBUG
, "P2P: Trying to force us to use the "
4056 "requested channel (%u MHz)", freq
);
4061 for (i
= 0; i
< num
; i
++) {
4062 if (!p2p_supported_freq(wpa_s
->global
->p2p
, freqs
[i
]))
4065 wpa_printf(MSG_DEBUG
, "P2P: Try to force us to use frequency (%u MHz) which is already in use",
4067 *force_freq
= freqs
[i
];
4069 if (*pref_freq
== 0 && num
< wpa_s
->num_multichan_concurrent
) {
4070 wpa_printf(MSG_DEBUG
, "P2P: Try to prefer a frequency we are already using");
4071 *pref_freq
= *force_freq
;
4077 if (num
< wpa_s
->num_multichan_concurrent
) {
4078 wpa_printf(MSG_DEBUG
, "P2P: Current operating channels are not available for P2P. Try to use another channel");
4081 wpa_printf(MSG_DEBUG
, "P2P: All channels are in use and none of them are P2P enabled. Cannot start P2P group");
4096 * wpas_p2p_connect - Request P2P Group Formation to be started
4097 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
4098 * @peer_addr: Address of the peer P2P Device
4099 * @pin: PIN to use during provisioning or %NULL to indicate PBC mode
4100 * @persistent_group: Whether to create a persistent group
4101 * @auto_join: Whether to select join vs. GO Negotiation automatically
4102 * @join: Whether to join an existing group (as a client) instead of starting
4103 * Group Owner negotiation; @peer_addr is BSSID in that case
4104 * @auth: Whether to only authorize the connection instead of doing that and
4105 * initiating Group Owner negotiation
4106 * @go_intent: GO Intent or -1 to use default
4107 * @freq: Frequency for the group or 0 for auto-selection
4108 * @persistent_id: Persistent group credentials to use for forcing GO
4109 * parameters or -1 to generate new values (SSID/passphrase)
4110 * @pd: Whether to send Provision Discovery prior to GO Negotiation as an
4111 * interoperability workaround when initiating group formation
4112 * @ht40: Start GO with 40 MHz channel width
4113 * @vht: Start GO with VHT support
4114 * Returns: 0 or new PIN (if pin was %NULL) on success, -1 on unspecified
4115 * failure, -2 on failure due to channel not currently available,
4116 * -3 if forced channel is not supported
4118 int wpas_p2p_connect(struct wpa_supplicant
*wpa_s
, const u8
*peer_addr
,
4119 const char *pin
, enum p2p_wps_method wps_method
,
4120 int persistent_group
, int auto_join
, int join
, int auth
,
4121 int go_intent
, int freq
, int persistent_id
, int pd
,
4124 int force_freq
= 0, pref_freq
= 0;
4126 enum wpa_driver_if_type iftype
;
4128 struct wpa_ssid
*ssid
= NULL
;
4130 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
4133 if (persistent_id
>= 0) {
4134 ssid
= wpa_config_get_network(wpa_s
->conf
, persistent_id
);
4135 if (ssid
== NULL
|| ssid
->disabled
!= 2 ||
4136 ssid
->mode
!= WPAS_MODE_P2P_GO
)
4140 os_free(wpa_s
->global
->add_psk
);
4141 wpa_s
->global
->add_psk
= NULL
;
4144 go_intent
= wpa_s
->conf
->p2p_go_intent
;
4147 wpa_s
->p2p_long_listen
= 0;
4149 wpa_s
->p2p_wps_method
= wps_method
;
4150 wpa_s
->p2p_persistent_group
= !!persistent_group
;
4151 wpa_s
->p2p_persistent_id
= persistent_id
;
4152 wpa_s
->p2p_go_intent
= go_intent
;
4153 wpa_s
->p2p_connect_freq
= freq
;
4154 wpa_s
->p2p_fallback_to_go_neg
= 0;
4155 wpa_s
->p2p_pd_before_go_neg
= !!pd
;
4156 wpa_s
->p2p_go_ht40
= !!ht40
;
4157 wpa_s
->p2p_go_vht
= !!vht
;
4160 os_strlcpy(wpa_s
->p2p_pin
, pin
, sizeof(wpa_s
->p2p_pin
));
4161 else if (wps_method
== WPS_PIN_DISPLAY
) {
4162 ret
= wps_generate_pin();
4163 os_snprintf(wpa_s
->p2p_pin
, sizeof(wpa_s
->p2p_pin
), "%08d",
4165 wpa_printf(MSG_DEBUG
, "P2P: Randomly generated PIN: %s",
4168 wpa_s
->p2p_pin
[0] = '\0';
4170 if (join
|| auto_join
) {
4171 u8 iface_addr
[ETH_ALEN
], dev_addr
[ETH_ALEN
];
4173 wpa_printf(MSG_DEBUG
, "P2P: Authorize invitation to "
4174 "connect a running group from " MACSTR
,
4175 MAC2STR(peer_addr
));
4176 os_memcpy(wpa_s
->p2p_auth_invite
, peer_addr
, ETH_ALEN
);
4179 os_memcpy(dev_addr
, peer_addr
, ETH_ALEN
);
4180 if (p2p_get_interface_addr(wpa_s
->global
->p2p
, peer_addr
,
4182 os_memcpy(iface_addr
, peer_addr
, ETH_ALEN
);
4183 p2p_get_dev_addr(wpa_s
->global
->p2p
, peer_addr
,
4187 os_get_time(&wpa_s
->p2p_auto_started
);
4188 wpa_printf(MSG_DEBUG
, "P2P: Auto join started at "
4190 wpa_s
->p2p_auto_started
.sec
,
4191 wpa_s
->p2p_auto_started
.usec
);
4193 wpa_s
->user_initiated_pd
= 1;
4194 if (wpas_p2p_join(wpa_s
, iface_addr
, dev_addr
, wps_method
,
4200 res
= wpas_p2p_setup_freqs(wpa_s
, freq
, &force_freq
, &pref_freq
,
4204 wpas_p2p_set_own_freq_preference(wpa_s
, force_freq
);
4206 wpa_s
->create_p2p_iface
= wpas_p2p_create_iface(wpa_s
);
4208 if (wpa_s
->create_p2p_iface
) {
4209 /* Prepare to add a new interface for the group */
4210 iftype
= WPA_IF_P2P_GROUP
;
4211 if (go_intent
== 15)
4212 iftype
= WPA_IF_P2P_GO
;
4213 if (wpas_p2p_add_group_interface(wpa_s
, iftype
) < 0) {
4214 wpa_printf(MSG_ERROR
, "P2P: Failed to allocate a new "
4215 "interface for the group");
4219 if_addr
= wpa_s
->pending_interface_addr
;
4221 if_addr
= wpa_s
->own_addr
;
4224 if (wpas_p2p_auth_go_neg(wpa_s
, peer_addr
, wps_method
,
4226 force_freq
, persistent_group
, ssid
,
4232 if (wpas_p2p_start_go_neg(wpa_s
, peer_addr
, wps_method
,
4233 go_intent
, if_addr
, force_freq
,
4234 persistent_group
, ssid
, pref_freq
) < 0) {
4235 if (wpa_s
->create_p2p_iface
)
4236 wpas_p2p_remove_pending_group_interface(wpa_s
);
4244 * wpas_p2p_remain_on_channel_cb - Indication of remain-on-channel start
4245 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
4246 * @freq: Frequency of the channel in MHz
4247 * @duration: Duration of the stay on the channel in milliseconds
4249 * This callback is called when the driver indicates that it has started the
4250 * requested remain-on-channel duration.
4252 void wpas_p2p_remain_on_channel_cb(struct wpa_supplicant
*wpa_s
,
4253 unsigned int freq
, unsigned int duration
)
4255 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
4257 if (wpa_s
->off_channel_freq
== wpa_s
->pending_listen_freq
) {
4258 p2p_listen_cb(wpa_s
->global
->p2p
, wpa_s
->pending_listen_freq
,
4259 wpa_s
->pending_listen_duration
);
4260 wpa_s
->pending_listen_freq
= 0;
4265 static int wpas_p2p_listen_start(struct wpa_supplicant
*wpa_s
,
4266 unsigned int timeout
)
4268 /* Limit maximum Listen state time based on driver limitation. */
4269 if (timeout
> wpa_s
->max_remain_on_chan
)
4270 timeout
= wpa_s
->max_remain_on_chan
;
4272 if (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_P2P_MGMT
)
4273 return wpa_drv_p2p_listen(wpa_s
, timeout
);
4275 return p2p_listen(wpa_s
->global
->p2p
, timeout
);
4280 * wpas_p2p_cancel_remain_on_channel_cb - Remain-on-channel timeout
4281 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
4282 * @freq: Frequency of the channel in MHz
4284 * This callback is called when the driver indicates that a remain-on-channel
4285 * operation has been completed, i.e., the duration on the requested channel
4288 void wpas_p2p_cancel_remain_on_channel_cb(struct wpa_supplicant
*wpa_s
,
4291 wpa_printf(MSG_DEBUG
, "P2P: Cancel remain-on-channel callback "
4292 "(p2p_long_listen=%d ms pending_action_tx=%p)",
4293 wpa_s
->p2p_long_listen
, offchannel_pending_action_tx(wpa_s
));
4294 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
4296 if (p2p_listen_end(wpa_s
->global
->p2p
, freq
) > 0)
4297 return; /* P2P module started a new operation */
4298 if (offchannel_pending_action_tx(wpa_s
))
4300 if (wpa_s
->p2p_long_listen
> 0)
4301 wpa_s
->p2p_long_listen
-= wpa_s
->max_remain_on_chan
;
4302 if (wpa_s
->p2p_long_listen
> 0) {
4303 wpa_printf(MSG_DEBUG
, "P2P: Continuing long Listen state");
4304 wpas_p2p_listen_start(wpa_s
, wpa_s
->p2p_long_listen
);
4307 * When listen duration is over, stop listen & update p2p_state
4310 p2p_stop_listen(wpa_s
->global
->p2p
);
4316 * wpas_p2p_group_remove - Remove a P2P group
4317 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
4318 * @ifname: Network interface name of the group interface or "*" to remove all
4320 * Returns: 0 on success, -1 on failure
4322 * This function is used to remove a P2P group. This can be used to disconnect
4323 * from a group in which the local end is a P2P Client or to end a P2P Group in
4324 * case the local end is the Group Owner. If a virtual network interface was
4325 * created for this group, that interface will be removed. Otherwise, only the
4326 * configured P2P group network will be removed from the interface.
4328 int wpas_p2p_group_remove(struct wpa_supplicant
*wpa_s
, const char *ifname
)
4330 struct wpa_global
*global
= wpa_s
->global
;
4332 if (os_strcmp(ifname
, "*") == 0) {
4333 struct wpa_supplicant
*prev
;
4334 wpa_s
= global
->ifaces
;
4337 wpa_s
= wpa_s
->next
;
4338 if (prev
->p2p_group_interface
!=
4339 NOT_P2P_GROUP_INTERFACE
||
4340 (prev
->current_ssid
&&
4341 prev
->current_ssid
->p2p_group
))
4342 wpas_p2p_disconnect(prev
);
4347 for (wpa_s
= global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
4348 if (os_strcmp(wpa_s
->ifname
, ifname
) == 0)
4352 return wpas_p2p_disconnect(wpa_s
);
4356 static int wpas_p2p_select_go_freq(struct wpa_supplicant
*wpa_s
, int freq
)
4361 wpa_printf(MSG_DEBUG
, "P2P: Request to start GO on 2.4 GHz "
4363 if (wpa_s
->best_24_freq
> 0 &&
4364 p2p_supported_freq_go(wpa_s
->global
->p2p
,
4365 wpa_s
->best_24_freq
)) {
4366 freq
= wpa_s
->best_24_freq
;
4367 wpa_printf(MSG_DEBUG
, "P2P: Use best 2.4 GHz band "
4368 "channel: %d MHz", freq
);
4370 os_get_random((u8
*) &r
, sizeof(r
));
4371 freq
= 2412 + (r
% 3) * 25;
4372 wpa_printf(MSG_DEBUG
, "P2P: Use random 2.4 GHz band "
4373 "channel: %d MHz", freq
);
4378 wpa_printf(MSG_DEBUG
, "P2P: Request to start GO on 5 GHz "
4380 if (wpa_s
->best_5_freq
> 0 &&
4381 p2p_supported_freq_go(wpa_s
->global
->p2p
,
4382 wpa_s
->best_5_freq
)) {
4383 freq
= wpa_s
->best_5_freq
;
4384 wpa_printf(MSG_DEBUG
, "P2P: Use best 5 GHz band "
4385 "channel: %d MHz", freq
);
4387 os_get_random((u8
*) &r
, sizeof(r
));
4388 freq
= 5180 + (r
% 4) * 20;
4389 if (!p2p_supported_freq_go(wpa_s
->global
->p2p
, freq
)) {
4390 wpa_printf(MSG_DEBUG
, "P2P: Could not select "
4391 "5 GHz channel for P2P group");
4394 wpa_printf(MSG_DEBUG
, "P2P: Use random 5 GHz band "
4395 "channel: %d MHz", freq
);
4399 if (freq
> 0 && !p2p_supported_freq_go(wpa_s
->global
->p2p
, freq
)) {
4400 wpa_printf(MSG_DEBUG
, "P2P: The forced channel for GO "
4401 "(%u MHz) is not supported for P2P uses",
4410 static int wpas_p2p_init_go_params(struct wpa_supplicant
*wpa_s
,
4411 struct p2p_go_neg_results
*params
,
4412 int freq
, int ht40
, int vht
,
4413 const struct p2p_channels
*channels
)
4416 unsigned int pref_freq
;
4417 unsigned int num
, i
;
4419 os_memset(params
, 0, sizeof(*params
));
4420 params
->role_go
= 1;
4421 params
->ht40
= ht40
;
4424 if (!freq_included(channels
, freq
)) {
4425 wpa_printf(MSG_DEBUG
, "P2P: Forced GO freq %d MHz not "
4429 wpa_printf(MSG_DEBUG
, "P2P: Set GO freq based on forced "
4430 "frequency %d MHz", freq
);
4431 params
->freq
= freq
;
4432 } else if (wpa_s
->conf
->p2p_oper_reg_class
== 81 &&
4433 wpa_s
->conf
->p2p_oper_channel
>= 1 &&
4434 wpa_s
->conf
->p2p_oper_channel
<= 11 &&
4435 freq_included(channels
,
4436 2407 + 5 * wpa_s
->conf
->p2p_oper_channel
)) {
4437 params
->freq
= 2407 + 5 * wpa_s
->conf
->p2p_oper_channel
;
4438 wpa_printf(MSG_DEBUG
, "P2P: Set GO freq based on configured "
4439 "frequency %d MHz", params
->freq
);
4440 } else if ((wpa_s
->conf
->p2p_oper_reg_class
== 115 ||
4441 wpa_s
->conf
->p2p_oper_reg_class
== 116 ||
4442 wpa_s
->conf
->p2p_oper_reg_class
== 117 ||
4443 wpa_s
->conf
->p2p_oper_reg_class
== 124 ||
4444 wpa_s
->conf
->p2p_oper_reg_class
== 126 ||
4445 wpa_s
->conf
->p2p_oper_reg_class
== 127) &&
4446 freq_included(channels
,
4447 5000 + 5 * wpa_s
->conf
->p2p_oper_channel
)) {
4448 params
->freq
= 5000 + 5 * wpa_s
->conf
->p2p_oper_channel
;
4449 wpa_printf(MSG_DEBUG
, "P2P: Set GO freq based on configured "
4450 "frequency %d MHz", params
->freq
);
4451 } else if (wpa_s
->conf
->p2p_oper_channel
== 0 &&
4452 wpa_s
->best_overall_freq
> 0 &&
4453 p2p_supported_freq_go(wpa_s
->global
->p2p
,
4454 wpa_s
->best_overall_freq
) &&
4455 freq_included(channels
, wpa_s
->best_overall_freq
)) {
4456 params
->freq
= wpa_s
->best_overall_freq
;
4457 wpa_printf(MSG_DEBUG
, "P2P: Set GO freq based on best overall "
4458 "channel %d MHz", params
->freq
);
4459 } else if (wpa_s
->conf
->p2p_oper_channel
== 0 &&
4460 wpa_s
->best_24_freq
> 0 &&
4461 p2p_supported_freq_go(wpa_s
->global
->p2p
,
4462 wpa_s
->best_24_freq
) &&
4463 freq_included(channels
, wpa_s
->best_24_freq
)) {
4464 params
->freq
= wpa_s
->best_24_freq
;
4465 wpa_printf(MSG_DEBUG
, "P2P: Set GO freq based on best 2.4 GHz "
4466 "channel %d MHz", params
->freq
);
4467 } else if (wpa_s
->conf
->p2p_oper_channel
== 0 &&
4468 wpa_s
->best_5_freq
> 0 &&
4469 p2p_supported_freq_go(wpa_s
->global
->p2p
,
4470 wpa_s
->best_5_freq
) &&
4471 freq_included(channels
, wpa_s
->best_5_freq
)) {
4472 params
->freq
= wpa_s
->best_5_freq
;
4473 wpa_printf(MSG_DEBUG
, "P2P: Set GO freq based on best 5 GHz "
4474 "channel %d MHz", params
->freq
);
4475 } else if ((pref_freq
= p2p_get_pref_freq(wpa_s
->global
->p2p
,
4477 params
->freq
= pref_freq
;
4478 wpa_printf(MSG_DEBUG
, "P2P: Set GO freq %d MHz from preferred "
4479 "channels", params
->freq
);
4482 for (chan
= 0; chan
< 11; chan
++) {
4483 params
->freq
= 2412 + chan
* 5;
4484 if (!wpas_p2p_disallowed_freq(wpa_s
->global
,
4486 freq_included(channels
, params
->freq
))
4490 wpa_printf(MSG_DEBUG
, "P2P: No 2.4 GHz channel "
4494 wpa_printf(MSG_DEBUG
, "P2P: Set GO freq %d MHz (no preference "
4495 "known)", params
->freq
);
4498 freqs
= os_calloc(wpa_s
->num_multichan_concurrent
, sizeof(int));
4502 res
= wpas_p2p_valid_oper_freqs(wpa_s
, freqs
,
4503 wpa_s
->num_multichan_concurrent
);
4511 for (i
= 0; i
< num
; i
++) {
4512 if (freq_included(channels
, freqs
[i
])) {
4513 wpa_printf(MSG_DEBUG
, "P2P: Force GO on a channel we are already using (%u MHz)",
4515 params
->freq
= freqs
[i
];
4521 if (num
== wpa_s
->num_multichan_concurrent
) {
4522 wpa_printf(MSG_DEBUG
, "P2P: Cannot force GO on any of the channels we are already using");
4526 wpa_printf(MSG_DEBUG
, "P2P: Cannot force GO on any of the channels we are already using. Use one of the free channels");
4530 for (i
= 0; i
< num
; i
++) {
4531 if (freqs
[i
] == freq
)
4536 if (num
== wpa_s
->num_multichan_concurrent
) {
4537 wpa_printf(MSG_DEBUG
, "P2P: Cannot force GO on freq (%u MHz) as all the channels are in use", freq
);
4541 wpa_printf(MSG_DEBUG
, "P2P: Cannot force GO on any of the channels we are already using. Use one of the free channels");
4550 static struct wpa_supplicant
*
4551 wpas_p2p_get_group_iface(struct wpa_supplicant
*wpa_s
, int addr_allocated
,
4554 struct wpa_supplicant
*group_wpa_s
;
4556 if (!wpas_p2p_create_iface(wpa_s
)) {
4557 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Use same interface for group "
4559 wpa_s
->p2p_first_connection_timeout
= 0;
4563 if (wpas_p2p_add_group_interface(wpa_s
, go
? WPA_IF_P2P_GO
:
4564 WPA_IF_P2P_CLIENT
) < 0) {
4565 wpa_msg_global(wpa_s
, MSG_ERROR
,
4566 "P2P: Failed to add group interface");
4569 group_wpa_s
= wpas_p2p_init_group_interface(wpa_s
, go
);
4570 if (group_wpa_s
== NULL
) {
4571 wpa_msg_global(wpa_s
, MSG_ERROR
,
4572 "P2P: Failed to initialize group interface");
4573 wpas_p2p_remove_pending_group_interface(wpa_s
);
4577 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Use separate group interface %s",
4578 group_wpa_s
->ifname
);
4579 group_wpa_s
->p2p_first_connection_timeout
= 0;
4585 * wpas_p2p_group_add - Add a new P2P group with local end as Group Owner
4586 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
4587 * @persistent_group: Whether to create a persistent group
4588 * @freq: Frequency for the group or 0 to indicate no hardcoding
4589 * @ht40: Start GO with 40 MHz channel width
4590 * @vht: Start GO with VHT support
4591 * Returns: 0 on success, -1 on failure
4593 * This function creates a new P2P group with the local end as the Group Owner,
4594 * i.e., without using Group Owner Negotiation.
4596 int wpas_p2p_group_add(struct wpa_supplicant
*wpa_s
, int persistent_group
,
4597 int freq
, int ht40
, int vht
)
4599 struct p2p_go_neg_results params
;
4601 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
4604 os_free(wpa_s
->global
->add_psk
);
4605 wpa_s
->global
->add_psk
= NULL
;
4607 /* Make sure we are not running find during connection establishment */
4608 wpa_printf(MSG_DEBUG
, "P2P: Stop any on-going P2P FIND");
4609 wpas_p2p_stop_find_oper(wpa_s
);
4611 freq
= wpas_p2p_select_go_freq(wpa_s
, freq
);
4615 if (wpas_p2p_init_go_params(wpa_s
, ¶ms
, freq
, ht40
, vht
, NULL
))
4618 !p2p_supported_freq_go(wpa_s
->global
->p2p
, params
.freq
)) {
4619 wpa_printf(MSG_DEBUG
, "P2P: The selected channel for GO "
4620 "(%u MHz) is not supported for P2P uses",
4624 p2p_go_params(wpa_s
->global
->p2p
, ¶ms
);
4625 params
.persistent_group
= persistent_group
;
4627 wpa_s
= wpas_p2p_get_group_iface(wpa_s
, 0, 1);
4630 wpas_start_wps_go(wpa_s
, ¶ms
, 0);
4636 static int wpas_start_p2p_client(struct wpa_supplicant
*wpa_s
,
4637 struct wpa_ssid
*params
, int addr_allocated
)
4639 struct wpa_ssid
*ssid
;
4641 wpa_s
= wpas_p2p_get_group_iface(wpa_s
, addr_allocated
, 0);
4644 wpa_s
->p2p_last_4way_hs_fail
= NULL
;
4646 wpa_supplicant_ap_deinit(wpa_s
);
4648 ssid
= wpa_config_add_network(wpa_s
->conf
);
4651 wpa_config_set_network_defaults(ssid
);
4652 ssid
->temporary
= 1;
4653 ssid
->proto
= WPA_PROTO_RSN
;
4654 ssid
->pairwise_cipher
= WPA_CIPHER_CCMP
;
4655 ssid
->group_cipher
= WPA_CIPHER_CCMP
;
4656 ssid
->key_mgmt
= WPA_KEY_MGMT_PSK
;
4657 ssid
->ssid
= os_malloc(params
->ssid_len
);
4658 if (ssid
->ssid
== NULL
) {
4659 wpa_config_remove_network(wpa_s
->conf
, ssid
->id
);
4662 os_memcpy(ssid
->ssid
, params
->ssid
, params
->ssid_len
);
4663 ssid
->ssid_len
= params
->ssid_len
;
4664 ssid
->p2p_group
= 1;
4665 ssid
->export_keys
= 1;
4666 if (params
->psk_set
) {
4667 os_memcpy(ssid
->psk
, params
->psk
, 32);
4670 if (params
->passphrase
)
4671 ssid
->passphrase
= os_strdup(params
->passphrase
);
4673 wpa_supplicant_select_network(wpa_s
, ssid
);
4675 wpa_s
->show_group_started
= 1;
4681 int wpas_p2p_group_add_persistent(struct wpa_supplicant
*wpa_s
,
4682 struct wpa_ssid
*ssid
, int addr_allocated
,
4683 int freq
, int ht40
, int vht
,
4684 const struct p2p_channels
*channels
,
4685 int connection_timeout
)
4687 struct p2p_go_neg_results params
;
4690 if (ssid
->disabled
!= 2 || ssid
->ssid
== NULL
)
4693 if (wpas_get_p2p_group(wpa_s
, ssid
->ssid
, ssid
->ssid_len
, &go
) &&
4694 go
== (ssid
->mode
== WPAS_MODE_P2P_GO
)) {
4695 wpa_printf(MSG_DEBUG
, "P2P: Requested persistent group is "
4700 os_free(wpa_s
->global
->add_psk
);
4701 wpa_s
->global
->add_psk
= NULL
;
4703 /* Make sure we are not running find during connection establishment */
4704 wpas_p2p_stop_find_oper(wpa_s
);
4706 wpa_s
->p2p_fallback_to_go_neg
= 0;
4708 if (ssid
->mode
== WPAS_MODE_INFRA
)
4709 return wpas_start_p2p_client(wpa_s
, ssid
, addr_allocated
);
4711 if (ssid
->mode
!= WPAS_MODE_P2P_GO
)
4714 freq
= wpas_p2p_select_go_freq(wpa_s
, freq
);
4718 if (wpas_p2p_init_go_params(wpa_s
, ¶ms
, freq
, ht40
, vht
, channels
))
4722 params
.psk_set
= ssid
->psk_set
;
4724 os_memcpy(params
.psk
, ssid
->psk
, sizeof(params
.psk
));
4725 if (ssid
->passphrase
) {
4726 if (os_strlen(ssid
->passphrase
) >= sizeof(params
.passphrase
)) {
4727 wpa_printf(MSG_ERROR
, "P2P: Invalid passphrase in "
4728 "persistent group");
4731 os_strlcpy(params
.passphrase
, ssid
->passphrase
,
4732 sizeof(params
.passphrase
));
4734 os_memcpy(params
.ssid
, ssid
->ssid
, ssid
->ssid_len
);
4735 params
.ssid_len
= ssid
->ssid_len
;
4736 params
.persistent_group
= 1;
4738 wpa_s
= wpas_p2p_get_group_iface(wpa_s
, addr_allocated
, 1);
4742 wpa_s
->p2p_first_connection_timeout
= connection_timeout
;
4743 wpas_start_wps_go(wpa_s
, ¶ms
, 0);
4749 static void wpas_p2p_ie_update(void *ctx
, struct wpabuf
*beacon_ies
,
4750 struct wpabuf
*proberesp_ies
)
4752 struct wpa_supplicant
*wpa_s
= ctx
;
4753 if (wpa_s
->ap_iface
) {
4754 struct hostapd_data
*hapd
= wpa_s
->ap_iface
->bss
[0];
4755 if (!(hapd
->conf
->p2p
& P2P_GROUP_OWNER
)) {
4756 wpabuf_free(beacon_ies
);
4757 wpabuf_free(proberesp_ies
);
4761 wpabuf_free(hapd
->p2p_beacon_ie
);
4762 hapd
->p2p_beacon_ie
= beacon_ies
;
4764 wpabuf_free(hapd
->p2p_probe_resp_ie
);
4765 hapd
->p2p_probe_resp_ie
= proberesp_ies
;
4767 wpabuf_free(beacon_ies
);
4768 wpabuf_free(proberesp_ies
);
4770 wpa_supplicant_ap_update_beacon(wpa_s
);
4774 static void wpas_p2p_idle_update(void *ctx
, int idle
)
4776 struct wpa_supplicant
*wpa_s
= ctx
;
4777 if (!wpa_s
->ap_iface
)
4779 wpa_printf(MSG_DEBUG
, "P2P: GO - group %sidle", idle
? "" : "not ");
4781 wpas_p2p_set_group_idle_timeout(wpa_s
);
4783 eloop_cancel_timeout(wpas_p2p_group_idle_timeout
, wpa_s
, NULL
);
4787 struct p2p_group
* wpas_p2p_group_init(struct wpa_supplicant
*wpa_s
,
4788 struct wpa_ssid
*ssid
)
4790 struct p2p_group
*group
;
4791 struct p2p_group_config
*cfg
;
4793 if (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_P2P_MGMT
)
4795 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
4798 cfg
= os_zalloc(sizeof(*cfg
));
4802 if (ssid
->p2p_persistent_group
&& wpa_s
->conf
->persistent_reconnect
)
4803 cfg
->persistent_group
= 2;
4804 else if (ssid
->p2p_persistent_group
)
4805 cfg
->persistent_group
= 1;
4806 os_memcpy(cfg
->interface_addr
, wpa_s
->own_addr
, ETH_ALEN
);
4807 if (wpa_s
->max_stations
&&
4808 wpa_s
->max_stations
< wpa_s
->conf
->max_num_sta
)
4809 cfg
->max_clients
= wpa_s
->max_stations
;
4811 cfg
->max_clients
= wpa_s
->conf
->max_num_sta
;
4812 os_memcpy(cfg
->ssid
, ssid
->ssid
, ssid
->ssid_len
);
4813 cfg
->ssid_len
= ssid
->ssid_len
;
4814 cfg
->cb_ctx
= wpa_s
;
4815 cfg
->ie_update
= wpas_p2p_ie_update
;
4816 cfg
->idle_update
= wpas_p2p_idle_update
;
4818 group
= p2p_group_init(wpa_s
->global
->p2p
, cfg
);
4821 if (ssid
->mode
!= WPAS_MODE_P2P_GROUP_FORMATION
)
4822 p2p_group_notif_formation_done(group
);
4823 wpa_s
->p2p_group
= group
;
4828 void wpas_p2p_wps_success(struct wpa_supplicant
*wpa_s
, const u8
*peer_addr
,
4831 struct wpa_ssid
*ssid
= wpa_s
->current_ssid
;
4833 if (!wpa_s
->p2p_in_provisioning
) {
4834 wpa_printf(MSG_DEBUG
, "P2P: Ignore WPS success event - P2P "
4835 "provisioning not in progress");
4839 if (ssid
&& ssid
->mode
== WPAS_MODE_INFRA
) {
4840 u8 go_dev_addr
[ETH_ALEN
];
4841 os_memcpy(go_dev_addr
, wpa_s
->bssid
, ETH_ALEN
);
4842 wpas_p2p_persistent_group(wpa_s
, go_dev_addr
, ssid
->ssid
,
4844 /* Clear any stored provisioning info */
4845 p2p_clear_provisioning_info(wpa_s
->global
->p2p
, go_dev_addr
);
4848 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
, wpa_s
->parent
,
4850 wpa_s
->p2p_go_group_formation_completed
= 1;
4851 if (ssid
&& ssid
->mode
== WPAS_MODE_INFRA
) {
4853 * Use a separate timeout for initial data connection to
4854 * complete to allow the group to be removed automatically if
4855 * something goes wrong in this step before the P2P group idle
4856 * timeout mechanism is taken into use.
4858 wpa_dbg(wpa_s
, MSG_DEBUG
,
4859 "P2P: Re-start group formation timeout (%d seconds) as client for initial connection",
4860 P2P_MAX_INITIAL_CONN_WAIT
);
4861 eloop_register_timeout(P2P_MAX_INITIAL_CONN_WAIT
, 0,
4862 wpas_p2p_group_formation_timeout
,
4863 wpa_s
->parent
, NULL
);
4866 * Use a separate timeout for initial data connection to
4867 * complete to allow the group to be removed automatically if
4868 * the client does not complete data connection successfully.
4870 wpa_dbg(wpa_s
, MSG_DEBUG
,
4871 "P2P: Re-start group formation timeout (%d seconds) as GO for initial connection",
4872 P2P_MAX_INITIAL_CONN_WAIT_GO
);
4873 eloop_register_timeout(P2P_MAX_INITIAL_CONN_WAIT_GO
, 0,
4874 wpas_p2p_group_formation_timeout
,
4875 wpa_s
->parent
, NULL
);
4877 * Complete group formation on first successful data connection
4879 wpa_s
->p2p_go_group_formation_completed
= 0;
4881 if (wpa_s
->global
->p2p
)
4882 p2p_wps_success_cb(wpa_s
->global
->p2p
, peer_addr
);
4883 else if (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_P2P_MGMT
)
4884 wpa_drv_wps_success_cb(wpa_s
, peer_addr
);
4885 wpas_group_formation_completed(wpa_s
, 1);
4889 void wpas_p2p_wps_failed(struct wpa_supplicant
*wpa_s
,
4890 struct wps_event_fail
*fail
)
4892 if (!wpa_s
->p2p_in_provisioning
) {
4893 wpa_printf(MSG_DEBUG
, "P2P: Ignore WPS fail event - P2P "
4894 "provisioning not in progress");
4898 if (wpa_s
->go_params
) {
4899 p2p_clear_provisioning_info(
4901 wpa_s
->go_params
->peer_device_addr
);
4904 wpas_notify_p2p_wps_failed(wpa_s
, fail
);
4908 int wpas_p2p_prov_disc(struct wpa_supplicant
*wpa_s
, const u8
*peer_addr
,
4909 const char *config_method
,
4910 enum wpas_p2p_prov_disc_use use
)
4914 wpa_s
->p2p_fallback_to_go_neg
= 0;
4915 wpa_s
->pending_pd_use
= NORMAL_PD
;
4916 if (os_strncmp(config_method
, "display", 7) == 0)
4917 config_methods
= WPS_CONFIG_DISPLAY
;
4918 else if (os_strncmp(config_method
, "keypad", 6) == 0)
4919 config_methods
= WPS_CONFIG_KEYPAD
;
4920 else if (os_strncmp(config_method
, "pbc", 3) == 0 ||
4921 os_strncmp(config_method
, "pushbutton", 10) == 0)
4922 config_methods
= WPS_CONFIG_PUSHBUTTON
;
4924 wpa_printf(MSG_DEBUG
, "P2P: Unknown config method");
4928 if (use
== WPAS_P2P_PD_AUTO
) {
4929 os_memcpy(wpa_s
->pending_join_dev_addr
, peer_addr
, ETH_ALEN
);
4930 wpa_s
->pending_pd_config_methods
= config_methods
;
4931 wpa_s
->p2p_auto_pd
= 1;
4932 wpa_s
->p2p_auto_join
= 0;
4933 wpa_s
->pending_pd_before_join
= 0;
4934 wpa_s
->auto_pd_scan_retry
= 0;
4935 wpas_p2p_stop_find(wpa_s
);
4936 wpa_s
->p2p_join_scan_count
= 0;
4937 os_get_time(&wpa_s
->p2p_auto_started
);
4938 wpa_printf(MSG_DEBUG
, "P2P: Auto PD started at %ld.%06ld",
4939 wpa_s
->p2p_auto_started
.sec
,
4940 wpa_s
->p2p_auto_started
.usec
);
4941 wpas_p2p_join_scan(wpa_s
, NULL
);
4945 if (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_P2P_MGMT
) {
4946 return wpa_drv_p2p_prov_disc_req(wpa_s
, peer_addr
,
4948 use
== WPAS_P2P_PD_FOR_JOIN
);
4951 if (wpa_s
->global
->p2p
== NULL
|| wpa_s
->global
->p2p_disabled
)
4954 return p2p_prov_disc_req(wpa_s
->global
->p2p
, peer_addr
,
4955 config_methods
, use
== WPAS_P2P_PD_FOR_JOIN
,
4960 int wpas_p2p_scan_result_text(const u8
*ies
, size_t ies_len
, char *buf
,
4963 return p2p_scan_result_text(ies
, ies_len
, buf
, end
);
4967 static void wpas_p2p_clear_pending_action_tx(struct wpa_supplicant
*wpa_s
)
4969 if (!offchannel_pending_action_tx(wpa_s
))
4972 wpa_printf(MSG_DEBUG
, "P2P: Drop pending Action TX due to new "
4973 "operation request");
4974 offchannel_clear_pending_action_tx(wpa_s
);
4978 int wpas_p2p_find(struct wpa_supplicant
*wpa_s
, unsigned int timeout
,
4979 enum p2p_discovery_type type
,
4980 unsigned int num_req_dev_types
, const u8
*req_dev_types
,
4981 const u8
*dev_id
, unsigned int search_delay
)
4983 wpas_p2p_clear_pending_action_tx(wpa_s
);
4984 wpa_s
->p2p_long_listen
= 0;
4986 if (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_P2P_MGMT
)
4987 return wpa_drv_p2p_find(wpa_s
, timeout
, type
);
4989 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
||
4990 wpa_s
->p2p_in_provisioning
)
4993 wpa_supplicant_cancel_sched_scan(wpa_s
);
4995 return p2p_find(wpa_s
->global
->p2p
, timeout
, type
,
4996 num_req_dev_types
, req_dev_types
, dev_id
,
5001 static int wpas_p2p_stop_find_oper(struct wpa_supplicant
*wpa_s
)
5003 wpas_p2p_clear_pending_action_tx(wpa_s
);
5004 wpa_s
->p2p_long_listen
= 0;
5005 eloop_cancel_timeout(wpas_p2p_long_listen_timeout
, wpa_s
, NULL
);
5006 eloop_cancel_timeout(wpas_p2p_join_scan
, wpa_s
, NULL
);
5007 wpa_s
->global
->p2p_cb_on_scan_complete
= 0;
5009 if (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_P2P_MGMT
) {
5010 wpa_drv_p2p_stop_find(wpa_s
);
5014 if (wpa_s
->global
->p2p
)
5015 p2p_stop_find(wpa_s
->global
->p2p
);
5021 void wpas_p2p_stop_find(struct wpa_supplicant
*wpa_s
)
5023 if (wpas_p2p_stop_find_oper(wpa_s
) > 0)
5025 wpas_p2p_remove_pending_group_interface(wpa_s
);
5029 static void wpas_p2p_long_listen_timeout(void *eloop_ctx
, void *timeout_ctx
)
5031 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
5032 wpa_s
->p2p_long_listen
= 0;
5036 int wpas_p2p_listen(struct wpa_supplicant
*wpa_s
, unsigned int timeout
)
5040 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
5043 wpa_supplicant_cancel_sched_scan(wpa_s
);
5044 wpas_p2p_clear_pending_action_tx(wpa_s
);
5048 * This is a request for unlimited Listen state. However, at
5049 * least for now, this is mapped to a Listen state for one
5054 eloop_cancel_timeout(wpas_p2p_long_listen_timeout
, wpa_s
, NULL
);
5055 wpa_s
->p2p_long_listen
= 0;
5058 * Stop previous find/listen operation to avoid trying to request a new
5059 * remain-on-channel operation while the driver is still running the
5062 if (wpa_s
->global
->p2p
)
5063 p2p_stop_find(wpa_s
->global
->p2p
);
5065 res
= wpas_p2p_listen_start(wpa_s
, timeout
* 1000);
5066 if (res
== 0 && timeout
* 1000 > wpa_s
->max_remain_on_chan
) {
5067 wpa_s
->p2p_long_listen
= timeout
* 1000;
5068 eloop_register_timeout(timeout
, 0,
5069 wpas_p2p_long_listen_timeout
,
5077 int wpas_p2p_assoc_req_ie(struct wpa_supplicant
*wpa_s
, struct wpa_bss
*bss
,
5078 u8
*buf
, size_t len
, int p2p_group
)
5080 struct wpabuf
*p2p_ie
;
5083 if (wpa_s
->global
->p2p_disabled
)
5085 if (wpa_s
->global
->p2p
== NULL
)
5090 p2p_ie
= wpa_bss_get_vendor_ie_multi(bss
, P2P_IE_VENDOR_TYPE
);
5091 ret
= p2p_assoc_req_ie(wpa_s
->global
->p2p
, bss
->bssid
, buf
, len
,
5093 wpabuf_free(p2p_ie
);
5099 int wpas_p2p_probe_req_rx(struct wpa_supplicant
*wpa_s
, const u8
*addr
,
5100 const u8
*dst
, const u8
*bssid
,
5101 const u8
*ie
, size_t ie_len
, int ssi_signal
)
5103 if (wpa_s
->global
->p2p_disabled
)
5105 if (wpa_s
->global
->p2p
== NULL
)
5108 switch (p2p_probe_req_rx(wpa_s
->global
->p2p
, addr
, dst
, bssid
,
5110 case P2P_PREQ_NOT_P2P
:
5111 wpas_notify_preq(wpa_s
, addr
, dst
, bssid
, ie
, ie_len
,
5114 case P2P_PREQ_MALFORMED
:
5115 case P2P_PREQ_NOT_LISTEN
:
5116 case P2P_PREQ_NOT_PROCESSED
:
5117 default: /* make gcc happy */
5119 case P2P_PREQ_PROCESSED
:
5125 void wpas_p2p_rx_action(struct wpa_supplicant
*wpa_s
, const u8
*da
,
5126 const u8
*sa
, const u8
*bssid
,
5127 u8 category
, const u8
*data
, size_t len
, int freq
)
5129 if (wpa_s
->global
->p2p_disabled
)
5131 if (wpa_s
->global
->p2p
== NULL
)
5134 p2p_rx_action(wpa_s
->global
->p2p
, da
, sa
, bssid
, category
, data
, len
,
5139 void wpas_p2p_scan_ie(struct wpa_supplicant
*wpa_s
, struct wpabuf
*ies
)
5141 if (wpa_s
->global
->p2p_disabled
)
5143 if (wpa_s
->global
->p2p
== NULL
)
5146 p2p_scan_ie(wpa_s
->global
->p2p
, ies
, NULL
);
5150 void wpas_p2p_group_deinit(struct wpa_supplicant
*wpa_s
)
5152 p2p_group_deinit(wpa_s
->p2p_group
);
5153 wpa_s
->p2p_group
= NULL
;
5155 wpa_s
->ap_configured_cb
= NULL
;
5156 wpa_s
->ap_configured_cb_ctx
= NULL
;
5157 wpa_s
->ap_configured_cb_data
= NULL
;
5158 wpa_s
->connect_without_scan
= NULL
;
5162 int wpas_p2p_reject(struct wpa_supplicant
*wpa_s
, const u8
*addr
)
5164 wpa_s
->p2p_long_listen
= 0;
5166 if (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_P2P_MGMT
)
5167 return wpa_drv_p2p_reject(wpa_s
, addr
);
5169 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
5172 return p2p_reject(wpa_s
->global
->p2p
, addr
);
5176 /* Invite to reinvoke a persistent group */
5177 int wpas_p2p_invite(struct wpa_supplicant
*wpa_s
, const u8
*peer_addr
,
5178 struct wpa_ssid
*ssid
, const u8
*go_dev_addr
, int freq
,
5179 int ht40
, int vht
, int pref_freq
)
5181 enum p2p_invite_role role
;
5186 wpa_s
->global
->p2p_invite_group
= NULL
;
5188 os_memcpy(wpa_s
->p2p_auth_invite
, peer_addr
, ETH_ALEN
);
5190 os_memset(wpa_s
->p2p_auth_invite
, 0, ETH_ALEN
);
5192 wpa_s
->p2p_persistent_go_freq
= freq
;
5193 wpa_s
->p2p_go_ht40
= !!ht40
;
5194 if (ssid
->mode
== WPAS_MODE_P2P_GO
) {
5195 role
= P2P_INVITE_ROLE_GO
;
5196 if (peer_addr
== NULL
) {
5197 wpa_printf(MSG_DEBUG
, "P2P: Missing peer "
5198 "address in invitation command");
5201 if (wpas_p2p_create_iface(wpa_s
)) {
5202 if (wpas_p2p_add_group_interface(wpa_s
,
5203 WPA_IF_P2P_GO
) < 0) {
5204 wpa_printf(MSG_ERROR
, "P2P: Failed to "
5205 "allocate a new interface for the "
5209 bssid
= wpa_s
->pending_interface_addr
;
5211 bssid
= wpa_s
->own_addr
;
5213 role
= P2P_INVITE_ROLE_CLIENT
;
5214 peer_addr
= ssid
->bssid
;
5216 wpa_s
->pending_invite_ssid_id
= ssid
->id
;
5218 res
= wpas_p2p_setup_freqs(wpa_s
, freq
, &force_freq
, &pref_freq
,
5219 role
== P2P_INVITE_ROLE_GO
);
5223 if (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_P2P_MGMT
)
5224 return wpa_drv_p2p_invite(wpa_s
, peer_addr
, role
, bssid
,
5225 ssid
->ssid
, ssid
->ssid_len
,
5228 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
5231 return p2p_invite(wpa_s
->global
->p2p
, peer_addr
, role
, bssid
,
5232 ssid
->ssid
, ssid
->ssid_len
, force_freq
, go_dev_addr
,
5237 /* Invite to join an active group */
5238 int wpas_p2p_invite_group(struct wpa_supplicant
*wpa_s
, const char *ifname
,
5239 const u8
*peer_addr
, const u8
*go_dev_addr
)
5241 struct wpa_global
*global
= wpa_s
->global
;
5242 enum p2p_invite_role role
;
5244 struct wpa_ssid
*ssid
;
5246 int freq
= 0, force_freq
= 0, pref_freq
= 0;
5249 wpa_s
->p2p_persistent_go_freq
= 0;
5250 wpa_s
->p2p_go_ht40
= 0;
5251 wpa_s
->p2p_go_vht
= 0;
5253 for (wpa_s
= global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
5254 if (os_strcmp(wpa_s
->ifname
, ifname
) == 0)
5257 if (wpa_s
== NULL
) {
5258 wpa_printf(MSG_DEBUG
, "P2P: Interface '%s' not found", ifname
);
5262 ssid
= wpa_s
->current_ssid
;
5264 wpa_printf(MSG_DEBUG
, "P2P: No current SSID to use for "
5269 wpa_s
->global
->p2p_invite_group
= wpa_s
;
5270 persistent
= ssid
->p2p_persistent_group
&&
5271 wpas_p2p_get_persistent(wpa_s
->parent
, peer_addr
,
5272 ssid
->ssid
, ssid
->ssid_len
);
5274 if (ssid
->mode
== WPAS_MODE_P2P_GO
) {
5275 role
= P2P_INVITE_ROLE_ACTIVE_GO
;
5276 bssid
= wpa_s
->own_addr
;
5277 if (go_dev_addr
== NULL
)
5278 go_dev_addr
= wpa_s
->global
->p2p_dev_addr
;
5279 freq
= ssid
->frequency
;
5281 role
= P2P_INVITE_ROLE_CLIENT
;
5282 if (wpa_s
->wpa_state
< WPA_ASSOCIATED
) {
5283 wpa_printf(MSG_DEBUG
, "P2P: Not associated - cannot "
5284 "invite to current group");
5287 bssid
= wpa_s
->bssid
;
5288 if (go_dev_addr
== NULL
&&
5289 !is_zero_ether_addr(wpa_s
->go_dev_addr
))
5290 go_dev_addr
= wpa_s
->go_dev_addr
;
5291 freq
= wpa_s
->current_bss
? wpa_s
->current_bss
->freq
:
5292 (int) wpa_s
->assoc_freq
;
5294 wpa_s
->parent
->pending_invite_ssid_id
= -1;
5296 if (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_P2P_MGMT
)
5297 return wpa_drv_p2p_invite(wpa_s
, peer_addr
, role
, bssid
,
5298 ssid
->ssid
, ssid
->ssid_len
,
5299 go_dev_addr
, persistent
);
5301 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
5304 res
= wpas_p2p_setup_freqs(wpa_s
, freq
, &force_freq
, &pref_freq
,
5305 role
== P2P_INVITE_ROLE_ACTIVE_GO
);
5308 wpas_p2p_set_own_freq_preference(wpa_s
, force_freq
);
5310 return p2p_invite(wpa_s
->global
->p2p
, peer_addr
, role
, bssid
,
5311 ssid
->ssid
, ssid
->ssid_len
, force_freq
,
5312 go_dev_addr
, persistent
, pref_freq
);
5316 void wpas_p2p_completed(struct wpa_supplicant
*wpa_s
)
5318 struct wpa_ssid
*ssid
= wpa_s
->current_ssid
;
5319 const char *ssid_txt
;
5320 u8 go_dev_addr
[ETH_ALEN
];
5321 int network_id
= -1;
5325 if (ssid
== NULL
|| ssid
->mode
!= WPAS_MODE_P2P_GROUP_FORMATION
) {
5326 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
,
5327 wpa_s
->parent
, NULL
);
5330 if (!wpa_s
->show_group_started
|| !ssid
)
5333 wpa_s
->show_group_started
= 0;
5335 ssid_txt
= wpa_ssid_txt(ssid
->ssid
, ssid
->ssid_len
);
5336 os_memset(go_dev_addr
, 0, ETH_ALEN
);
5337 if (ssid
->bssid_set
)
5338 os_memcpy(go_dev_addr
, ssid
->bssid
, ETH_ALEN
);
5339 persistent
= wpas_p2p_persistent_group(wpa_s
, go_dev_addr
, ssid
->ssid
,
5341 os_memcpy(wpa_s
->go_dev_addr
, go_dev_addr
, ETH_ALEN
);
5343 if (wpa_s
->global
->p2p_group_formation
== wpa_s
)
5344 wpa_s
->global
->p2p_group_formation
= NULL
;
5346 freq
= wpa_s
->current_bss
? wpa_s
->current_bss
->freq
:
5347 (int) wpa_s
->assoc_freq
;
5348 if (ssid
->passphrase
== NULL
&& ssid
->psk_set
) {
5350 wpa_snprintf_hex(psk
, sizeof(psk
), ssid
->psk
, 32);
5351 wpa_msg_global(wpa_s
->parent
, MSG_INFO
, P2P_EVENT_GROUP_STARTED
5352 "%s client ssid=\"%s\" freq=%d psk=%s "
5353 "go_dev_addr=" MACSTR
"%s",
5354 wpa_s
->ifname
, ssid_txt
, freq
, psk
,
5355 MAC2STR(go_dev_addr
),
5356 persistent
? " [PERSISTENT]" : "");
5358 wpa_msg_global(wpa_s
->parent
, MSG_INFO
, P2P_EVENT_GROUP_STARTED
5359 "%s client ssid=\"%s\" freq=%d "
5360 "passphrase=\"%s\" go_dev_addr=" MACSTR
"%s",
5361 wpa_s
->ifname
, ssid_txt
, freq
,
5362 ssid
->passphrase
? ssid
->passphrase
: "",
5363 MAC2STR(go_dev_addr
),
5364 persistent
? " [PERSISTENT]" : "");
5368 network_id
= wpas_p2p_store_persistent_group(wpa_s
->parent
,
5371 network_id
= ssid
->id
;
5372 wpas_notify_p2p_group_started(wpa_s
, ssid
, network_id
, 1);
5375 wpas_p2p_continue_after_scan(wpa_s
);
5379 int wpas_p2p_presence_req(struct wpa_supplicant
*wpa_s
, u32 duration1
,
5380 u32 interval1
, u32 duration2
, u32 interval2
)
5382 if (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_P2P_MGMT
)
5384 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
5387 if (wpa_s
->wpa_state
< WPA_ASSOCIATED
||
5388 wpa_s
->current_ssid
== NULL
||
5389 wpa_s
->current_ssid
->mode
!= WPAS_MODE_INFRA
)
5392 return p2p_presence_req(wpa_s
->global
->p2p
, wpa_s
->bssid
,
5393 wpa_s
->own_addr
, wpa_s
->assoc_freq
,
5394 duration1
, interval1
, duration2
, interval2
);
5398 int wpas_p2p_ext_listen(struct wpa_supplicant
*wpa_s
, unsigned int period
,
5399 unsigned int interval
)
5401 if (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_P2P_MGMT
)
5404 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
5407 return p2p_ext_listen(wpa_s
->global
->p2p
, period
, interval
);
5411 static int wpas_p2p_is_client(struct wpa_supplicant
*wpa_s
)
5413 if (wpa_s
->current_ssid
== NULL
) {
5415 * current_ssid can be cleared when P2P client interface gets
5416 * disconnected, so assume this interface was used as P2P
5421 return wpa_s
->current_ssid
->p2p_group
&&
5422 wpa_s
->current_ssid
->mode
== WPAS_MODE_INFRA
;
5426 static void wpas_p2p_group_idle_timeout(void *eloop_ctx
, void *timeout_ctx
)
5428 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
5430 if (wpa_s
->conf
->p2p_group_idle
== 0 && !wpas_p2p_is_client(wpa_s
)) {
5431 wpa_printf(MSG_DEBUG
, "P2P: Ignore group idle timeout - "
5436 wpa_printf(MSG_DEBUG
, "P2P: Group idle timeout reached - terminate "
5438 wpas_p2p_group_delete(wpa_s
, P2P_GROUP_REMOVAL_IDLE_TIMEOUT
);
5442 static void wpas_p2p_set_group_idle_timeout(struct wpa_supplicant
*wpa_s
)
5446 if (eloop_cancel_timeout(wpas_p2p_group_idle_timeout
, wpa_s
, NULL
) > 0)
5447 wpa_printf(MSG_DEBUG
, "P2P: Cancelled P2P group idle timeout");
5449 if (wpa_s
->current_ssid
== NULL
|| !wpa_s
->current_ssid
->p2p_group
)
5452 timeout
= wpa_s
->conf
->p2p_group_idle
;
5453 if (wpa_s
->current_ssid
->mode
== WPAS_MODE_INFRA
&&
5454 (timeout
== 0 || timeout
> P2P_MAX_CLIENT_IDLE
))
5455 timeout
= P2P_MAX_CLIENT_IDLE
;
5461 if (wpa_s
->current_ssid
->mode
== WPAS_MODE_INFRA
)
5462 timeout
= 0; /* special client mode no-timeout */
5467 if (wpa_s
->p2p_in_provisioning
) {
5469 * Use the normal group formation timeout during the
5470 * provisioning phase to avoid terminating this process too
5471 * early due to group idle timeout.
5473 wpa_printf(MSG_DEBUG
, "P2P: Do not use P2P group idle timeout "
5474 "during provisioning");
5478 if (wpa_s
->show_group_started
) {
5480 * Use the normal group formation timeout between the end of
5481 * the provisioning phase and completion of 4-way handshake to
5482 * avoid terminating this process too early due to group idle
5485 wpa_printf(MSG_DEBUG
, "P2P: Do not use P2P group idle timeout "
5486 "while waiting for initial 4-way handshake to "
5491 wpa_printf(MSG_DEBUG
, "P2P: Set P2P group idle timeout to %u seconds",
5493 eloop_register_timeout(timeout
, 0, wpas_p2p_group_idle_timeout
,
5498 /* Returns 1 if the interface was removed */
5499 int wpas_p2p_deauth_notif(struct wpa_supplicant
*wpa_s
, const u8
*bssid
,
5500 u16 reason_code
, const u8
*ie
, size_t ie_len
,
5501 int locally_generated
)
5503 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
5505 if (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_P2P_MGMT
)
5508 if (!locally_generated
)
5509 p2p_deauth_notif(wpa_s
->global
->p2p
, bssid
, reason_code
, ie
,
5512 if (reason_code
== WLAN_REASON_DEAUTH_LEAVING
&& !locally_generated
&&
5513 wpa_s
->current_ssid
&&
5514 wpa_s
->current_ssid
->p2p_group
&&
5515 wpa_s
->current_ssid
->mode
== WPAS_MODE_INFRA
) {
5516 wpa_printf(MSG_DEBUG
, "P2P: GO indicated that the P2P Group "
5517 "session is ending");
5518 if (wpas_p2p_group_delete(wpa_s
,
5519 P2P_GROUP_REMOVAL_GO_ENDING_SESSION
)
5528 void wpas_p2p_disassoc_notif(struct wpa_supplicant
*wpa_s
, const u8
*bssid
,
5529 u16 reason_code
, const u8
*ie
, size_t ie_len
,
5530 int locally_generated
)
5532 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
5534 if (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_P2P_MGMT
)
5537 if (!locally_generated
)
5538 p2p_disassoc_notif(wpa_s
->global
->p2p
, bssid
, reason_code
, ie
,
5543 void wpas_p2p_update_config(struct wpa_supplicant
*wpa_s
)
5545 struct p2p_data
*p2p
= wpa_s
->global
->p2p
;
5550 if (!(wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_P2P_CAPABLE
))
5553 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_DEVICE_NAME
)
5554 p2p_set_dev_name(p2p
, wpa_s
->conf
->device_name
);
5556 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_DEVICE_TYPE
)
5557 p2p_set_pri_dev_type(p2p
, wpa_s
->conf
->device_type
);
5560 (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_CONFIG_METHODS
))
5561 p2p_set_config_methods(p2p
, wpa_s
->wps
->config_methods
);
5563 if (wpa_s
->wps
&& (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_UUID
))
5564 p2p_set_uuid(p2p
, wpa_s
->wps
->uuid
);
5566 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_WPS_STRING
) {
5567 p2p_set_manufacturer(p2p
, wpa_s
->conf
->manufacturer
);
5568 p2p_set_model_name(p2p
, wpa_s
->conf
->model_name
);
5569 p2p_set_model_number(p2p
, wpa_s
->conf
->model_number
);
5570 p2p_set_serial_number(p2p
, wpa_s
->conf
->serial_number
);
5573 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_SEC_DEVICE_TYPE
)
5574 p2p_set_sec_dev_types(p2p
,
5575 (void *) wpa_s
->conf
->sec_device_type
,
5576 wpa_s
->conf
->num_sec_device_types
);
5578 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_VENDOR_EXTENSION
) {
5580 p2p_remove_wps_vendor_extensions(p2p
);
5581 for (i
= 0; i
< MAX_WPS_VENDOR_EXT
; i
++) {
5582 if (wpa_s
->conf
->wps_vendor_ext
[i
] == NULL
)
5584 p2p_add_wps_vendor_extension(
5585 p2p
, wpa_s
->conf
->wps_vendor_ext
[i
]);
5589 if ((wpa_s
->conf
->changed_parameters
& CFG_CHANGED_COUNTRY
) &&
5590 wpa_s
->conf
->country
[0] && wpa_s
->conf
->country
[1]) {
5592 country
[0] = wpa_s
->conf
->country
[0];
5593 country
[1] = wpa_s
->conf
->country
[1];
5595 p2p_set_country(p2p
, country
);
5598 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_P2P_SSID_POSTFIX
) {
5599 p2p_set_ssid_postfix(p2p
, (u8
*) wpa_s
->conf
->p2p_ssid_postfix
,
5600 wpa_s
->conf
->p2p_ssid_postfix
?
5601 os_strlen(wpa_s
->conf
->p2p_ssid_postfix
) :
5605 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_P2P_INTRA_BSS
)
5606 p2p_set_intra_bss_dist(p2p
, wpa_s
->conf
->p2p_intra_bss
);
5608 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_P2P_LISTEN_CHANNEL
) {
5609 u8 reg_class
, channel
;
5612 if (wpa_s
->conf
->p2p_listen_reg_class
&&
5613 wpa_s
->conf
->p2p_listen_channel
) {
5614 reg_class
= wpa_s
->conf
->p2p_listen_reg_class
;
5615 channel
= wpa_s
->conf
->p2p_listen_channel
;
5619 * Pick one of the social channels randomly as the
5622 os_get_random((u8
*) &r
, sizeof(r
));
5623 channel
= 1 + (r
% 3) * 5;
5625 ret
= p2p_set_listen_channel(p2p
, reg_class
, channel
);
5627 wpa_printf(MSG_ERROR
, "P2P: Own listen channel update "
5630 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_P2P_OPER_CHANNEL
) {
5631 u8 op_reg_class
, op_channel
, cfg_op_channel
;
5634 if (wpa_s
->conf
->p2p_oper_reg_class
&&
5635 wpa_s
->conf
->p2p_oper_channel
) {
5636 op_reg_class
= wpa_s
->conf
->p2p_oper_reg_class
;
5637 op_channel
= wpa_s
->conf
->p2p_oper_channel
;
5642 * Use random operation channel from (1, 6, 11)
5643 *if no other preference is indicated.
5645 os_get_random((u8
*) &r
, sizeof(r
));
5646 op_channel
= 1 + (r
% 3) * 5;
5649 ret
= p2p_set_oper_channel(p2p
, op_reg_class
, op_channel
,
5652 wpa_printf(MSG_ERROR
, "P2P: Own oper channel update "
5656 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_P2P_PREF_CHAN
) {
5657 if (p2p_set_pref_chan(p2p
, wpa_s
->conf
->num_p2p_pref_chan
,
5658 wpa_s
->conf
->p2p_pref_chan
) < 0) {
5659 wpa_printf(MSG_ERROR
, "P2P: Preferred channel list "
5663 if (p2p_set_no_go_freq(p2p
, &wpa_s
->conf
->p2p_no_go_freq
) < 0) {
5664 wpa_printf(MSG_ERROR
, "P2P: No GO channel list "
5671 int wpas_p2p_set_noa(struct wpa_supplicant
*wpa_s
, u8 count
, int start
,
5674 if (!wpa_s
->ap_iface
)
5676 return hostapd_p2p_set_noa(wpa_s
->ap_iface
->bss
[0], count
, start
,
5681 int wpas_p2p_set_cross_connect(struct wpa_supplicant
*wpa_s
, int enabled
)
5683 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
5685 if (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_P2P_MGMT
)
5688 wpa_s
->global
->cross_connection
= enabled
;
5689 p2p_set_cross_connect(wpa_s
->global
->p2p
, enabled
);
5692 struct wpa_supplicant
*iface
;
5694 for (iface
= wpa_s
->global
->ifaces
; iface
; iface
= iface
->next
)
5696 if (iface
->cross_connect_enabled
== 0)
5699 iface
->cross_connect_enabled
= 0;
5700 iface
->cross_connect_in_use
= 0;
5701 wpa_msg_global(iface
->parent
, MSG_INFO
,
5702 P2P_EVENT_CROSS_CONNECT_DISABLE
"%s %s",
5704 iface
->cross_connect_uplink
);
5712 static void wpas_p2p_enable_cross_connect(struct wpa_supplicant
*uplink
)
5714 struct wpa_supplicant
*iface
;
5716 if (!uplink
->global
->cross_connection
)
5719 for (iface
= uplink
->global
->ifaces
; iface
; iface
= iface
->next
) {
5720 if (!iface
->cross_connect_enabled
)
5722 if (os_strcmp(uplink
->ifname
, iface
->cross_connect_uplink
) !=
5725 if (iface
->ap_iface
== NULL
)
5727 if (iface
->cross_connect_in_use
)
5730 iface
->cross_connect_in_use
= 1;
5731 wpa_msg_global(iface
->parent
, MSG_INFO
,
5732 P2P_EVENT_CROSS_CONNECT_ENABLE
"%s %s",
5733 iface
->ifname
, iface
->cross_connect_uplink
);
5738 static void wpas_p2p_disable_cross_connect(struct wpa_supplicant
*uplink
)
5740 struct wpa_supplicant
*iface
;
5742 for (iface
= uplink
->global
->ifaces
; iface
; iface
= iface
->next
) {
5743 if (!iface
->cross_connect_enabled
)
5745 if (os_strcmp(uplink
->ifname
, iface
->cross_connect_uplink
) !=
5748 if (!iface
->cross_connect_in_use
)
5751 wpa_msg_global(iface
->parent
, MSG_INFO
,
5752 P2P_EVENT_CROSS_CONNECT_DISABLE
"%s %s",
5753 iface
->ifname
, iface
->cross_connect_uplink
);
5754 iface
->cross_connect_in_use
= 0;
5759 void wpas_p2p_notif_connected(struct wpa_supplicant
*wpa_s
)
5761 if (wpa_s
->ap_iface
|| wpa_s
->current_ssid
== NULL
||
5762 wpa_s
->current_ssid
->mode
!= WPAS_MODE_INFRA
||
5763 wpa_s
->cross_connect_disallowed
)
5764 wpas_p2p_disable_cross_connect(wpa_s
);
5766 wpas_p2p_enable_cross_connect(wpa_s
);
5767 if (!wpa_s
->ap_iface
&&
5768 eloop_cancel_timeout(wpas_p2p_group_idle_timeout
, wpa_s
, NULL
) > 0)
5769 wpa_printf(MSG_DEBUG
, "P2P: Cancelled P2P group idle timeout");
5773 void wpas_p2p_notif_disconnected(struct wpa_supplicant
*wpa_s
)
5775 wpas_p2p_disable_cross_connect(wpa_s
);
5776 if (!wpa_s
->ap_iface
&&
5777 !eloop_is_timeout_registered(wpas_p2p_group_idle_timeout
,
5779 wpas_p2p_set_group_idle_timeout(wpa_s
);
5783 static void wpas_p2p_cross_connect_setup(struct wpa_supplicant
*wpa_s
)
5785 struct wpa_supplicant
*iface
;
5787 if (!wpa_s
->global
->cross_connection
)
5790 for (iface
= wpa_s
->global
->ifaces
; iface
; iface
= iface
->next
) {
5793 if (iface
->drv_flags
&
5794 WPA_DRIVER_FLAGS_P2P_DEDICATED_INTERFACE
)
5796 if (iface
->drv_flags
& WPA_DRIVER_FLAGS_P2P_CAPABLE
)
5799 wpa_s
->cross_connect_enabled
= 1;
5800 os_strlcpy(wpa_s
->cross_connect_uplink
, iface
->ifname
,
5801 sizeof(wpa_s
->cross_connect_uplink
));
5802 wpa_printf(MSG_DEBUG
, "P2P: Enable cross connection from "
5803 "%s to %s whenever uplink is available",
5804 wpa_s
->ifname
, wpa_s
->cross_connect_uplink
);
5806 if (iface
->ap_iface
|| iface
->current_ssid
== NULL
||
5807 iface
->current_ssid
->mode
!= WPAS_MODE_INFRA
||
5808 iface
->cross_connect_disallowed
||
5809 iface
->wpa_state
!= WPA_COMPLETED
)
5812 wpa_s
->cross_connect_in_use
= 1;
5813 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
5814 P2P_EVENT_CROSS_CONNECT_ENABLE
"%s %s",
5815 wpa_s
->ifname
, wpa_s
->cross_connect_uplink
);
5821 int wpas_p2p_notif_pbc_overlap(struct wpa_supplicant
*wpa_s
)
5823 if (wpa_s
->p2p_group_interface
!= P2P_GROUP_INTERFACE_CLIENT
&&
5824 !wpa_s
->p2p_in_provisioning
)
5825 return 0; /* not P2P client operation */
5827 wpa_printf(MSG_DEBUG
, "P2P: Terminate connection due to WPS PBC "
5829 if (wpa_s
!= wpa_s
->parent
)
5830 wpa_msg_ctrl(wpa_s
->parent
, MSG_INFO
, WPS_EVENT_OVERLAP
);
5831 wpas_p2p_group_formation_failed(wpa_s
);
5836 void wpas_p2p_update_channel_list(struct wpa_supplicant
*wpa_s
)
5838 struct p2p_channels chan
, cli_chan
;
5840 if (wpa_s
->global
== NULL
|| wpa_s
->global
->p2p
== NULL
)
5843 os_memset(&chan
, 0, sizeof(chan
));
5844 os_memset(&cli_chan
, 0, sizeof(cli_chan
));
5845 if (wpas_p2p_setup_channels(wpa_s
, &chan
, &cli_chan
)) {
5846 wpa_printf(MSG_ERROR
, "P2P: Failed to update supported "
5851 p2p_update_channel_list(wpa_s
->global
->p2p
, &chan
, &cli_chan
);
5855 static void wpas_p2p_scan_res_ignore(struct wpa_supplicant
*wpa_s
,
5856 struct wpa_scan_results
*scan_res
)
5858 wpa_printf(MSG_DEBUG
, "P2P: Ignore scan results");
5862 int wpas_p2p_cancel(struct wpa_supplicant
*wpa_s
)
5864 struct wpa_global
*global
= wpa_s
->global
;
5868 if (global
->p2p
== NULL
)
5871 wpa_printf(MSG_DEBUG
, "P2P: Request to cancel group formation");
5873 if (wpa_s
->pending_interface_name
[0] &&
5874 !is_zero_ether_addr(wpa_s
->pending_interface_addr
))
5877 peer
= p2p_get_go_neg_peer(global
->p2p
);
5879 wpa_printf(MSG_DEBUG
, "P2P: Unauthorize pending GO Neg peer "
5880 MACSTR
, MAC2STR(peer
));
5881 p2p_unauthorize(global
->p2p
, peer
);
5885 if (wpa_s
->scan_res_handler
== wpas_p2p_scan_res_join
) {
5886 wpa_printf(MSG_DEBUG
, "P2P: Stop pending scan for join");
5887 wpa_s
->scan_res_handler
= wpas_p2p_scan_res_ignore
;
5891 if (wpa_s
->pending_pd_before_join
) {
5892 wpa_printf(MSG_DEBUG
, "P2P: Stop pending PD before join");
5893 wpa_s
->pending_pd_before_join
= 0;
5897 wpas_p2p_stop_find(wpa_s
);
5899 for (wpa_s
= global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
5900 if (wpa_s
== global
->p2p_group_formation
&&
5901 (wpa_s
->p2p_in_provisioning
||
5902 wpa_s
->parent
->pending_interface_type
==
5903 WPA_IF_P2P_CLIENT
)) {
5904 wpa_printf(MSG_DEBUG
, "P2P: Interface %s in group "
5905 "formation found - cancelling",
5908 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
,
5909 wpa_s
->parent
, NULL
);
5910 if (wpa_s
->p2p_in_provisioning
) {
5911 wpas_group_formation_completed(wpa_s
, 0);
5914 wpas_p2p_group_delete(wpa_s
,
5915 P2P_GROUP_REMOVAL_REQUESTED
);
5921 wpa_printf(MSG_DEBUG
, "P2P: No ongoing group formation found");
5929 void wpas_p2p_interface_unavailable(struct wpa_supplicant
*wpa_s
)
5931 if (wpa_s
->current_ssid
== NULL
|| !wpa_s
->current_ssid
->p2p_group
)
5934 wpa_printf(MSG_DEBUG
, "P2P: Remove group due to driver resource not "
5935 "being available anymore");
5936 wpas_p2p_group_delete(wpa_s
, P2P_GROUP_REMOVAL_UNAVAILABLE
);
5940 void wpas_p2p_update_best_channels(struct wpa_supplicant
*wpa_s
,
5941 int freq_24
, int freq_5
, int freq_overall
)
5943 struct p2p_data
*p2p
= wpa_s
->global
->p2p
;
5944 if (p2p
== NULL
|| (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_P2P_MGMT
))
5946 p2p_set_best_channels(p2p
, freq_24
, freq_5
, freq_overall
);
5950 int wpas_p2p_unauthorize(struct wpa_supplicant
*wpa_s
, const char *addr
)
5953 struct p2p_data
*p2p
= wpa_s
->global
->p2p
;
5955 if (p2p
== NULL
|| (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_P2P_MGMT
))
5958 if (hwaddr_aton(addr
, peer
))
5961 return p2p_unauthorize(p2p
, peer
);
5966 * wpas_p2p_disconnect - Disconnect from a P2P Group
5967 * @wpa_s: Pointer to wpa_supplicant data
5968 * Returns: 0 on success, -1 on failure
5970 * This can be used to disconnect from a group in which the local end is a P2P
5971 * Client or to end a P2P Group in case the local end is the Group Owner. If a
5972 * virtual network interface was created for this group, that interface will be
5973 * removed. Otherwise, only the configured P2P group network will be removed
5974 * from the interface.
5976 int wpas_p2p_disconnect(struct wpa_supplicant
*wpa_s
)
5982 return wpas_p2p_group_delete(wpa_s
, P2P_GROUP_REMOVAL_REQUESTED
) < 0 ?
5987 int wpas_p2p_in_progress(struct wpa_supplicant
*wpa_s
)
5991 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
5994 ret
= p2p_in_progress(wpa_s
->global
->p2p
);
5997 * Check whether there is an ongoing WPS provisioning step (or
5998 * other parts of group formation) on another interface since
5999 * p2p_in_progress() does not report this to avoid issues for
6000 * scans during such provisioning step.
6002 if (wpa_s
->global
->p2p_group_formation
&&
6003 wpa_s
->global
->p2p_group_formation
!= wpa_s
) {
6004 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Another interface (%s) "
6005 "in group formation",
6006 wpa_s
->global
->p2p_group_formation
->ifname
);
6011 if (!ret
&& wpa_s
->global
->p2p_go_wait_client
.sec
) {
6014 if (now
.sec
> wpa_s
->global
->p2p_go_wait_client
.sec
+
6015 P2P_MAX_INITIAL_CONN_WAIT_GO
) {
6016 /* Wait for the first client has expired */
6017 wpa_s
->global
->p2p_go_wait_client
.sec
= 0;
6019 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Waiting for initial client connection during group formation");
6028 void wpas_p2p_network_removed(struct wpa_supplicant
*wpa_s
,
6029 struct wpa_ssid
*ssid
)
6031 if (wpa_s
->p2p_in_provisioning
&& ssid
->p2p_group
&&
6032 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
,
6033 wpa_s
->parent
, NULL
) > 0) {
6035 * Remove the network by scheduling the group formation
6036 * timeout to happen immediately. The teardown code
6037 * needs to be scheduled to run asynch later so that we
6038 * don't delete data from under ourselves unexpectedly.
6039 * Calling wpas_p2p_group_formation_timeout directly
6040 * causes a series of crashes in WPS failure scenarios.
6042 wpa_printf(MSG_DEBUG
, "P2P: Canceled group formation due to "
6043 "P2P group network getting removed");
6044 eloop_register_timeout(0, 0, wpas_p2p_group_formation_timeout
,
6045 wpa_s
->parent
, NULL
);
6050 struct wpa_ssid
* wpas_p2p_get_persistent(struct wpa_supplicant
*wpa_s
,
6051 const u8
*addr
, const u8
*ssid
,
6057 for (s
= wpa_s
->conf
->ssid
; s
; s
= s
->next
) {
6058 if (s
->disabled
!= 2)
6061 (ssid_len
!= s
->ssid_len
||
6062 os_memcmp(ssid
, s
->ssid
, ssid_len
) != 0))
6065 if (s
->mode
== WPAS_MODE_P2P_GO
)
6069 if (os_memcmp(s
->bssid
, addr
, ETH_ALEN
) == 0)
6070 return s
; /* peer is GO in the persistent group */
6071 if (s
->mode
!= WPAS_MODE_P2P_GO
|| s
->p2p_client_list
== NULL
)
6073 for (i
= 0; i
< s
->num_p2p_clients
; i
++) {
6074 if (os_memcmp(s
->p2p_client_list
+ i
* ETH_ALEN
,
6075 addr
, ETH_ALEN
) == 0)
6076 return s
; /* peer is P2P client in persistent
6085 void wpas_p2p_notify_ap_sta_authorized(struct wpa_supplicant
*wpa_s
,
6088 if (eloop_cancel_timeout(wpas_p2p_group_formation_timeout
,
6089 wpa_s
->parent
, NULL
) > 0) {
6091 * This can happen if WPS provisioning step is not terminated
6092 * cleanly (e.g., P2P Client does not send WSC_Done). Since the
6093 * peer was able to connect, there is no need to time out group
6094 * formation after this, though. In addition, this is used with
6095 * the initial connection wait on the GO as a separate formation
6096 * timeout and as such, expected to be hit after the initial WPS
6097 * provisioning step.
6099 wpa_printf(MSG_DEBUG
, "P2P: Canceled P2P group formation timeout on data connection");
6101 if (!wpa_s
->p2p_go_group_formation_completed
) {
6102 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Marking group formation completed on GO on first data connection");
6103 wpa_s
->p2p_go_group_formation_completed
= 1;
6104 wpa_s
->global
->p2p_group_formation
= NULL
;
6105 wpa_s
->p2p_in_provisioning
= 0;
6107 wpa_s
->global
->p2p_go_wait_client
.sec
= 0;
6110 wpas_p2p_add_persistent_group_client(wpa_s
, addr
);
6114 static void wpas_p2p_fallback_to_go_neg(struct wpa_supplicant
*wpa_s
,
6117 struct wpa_supplicant
*group
= wpa_s
;
6118 if (wpa_s
->global
->p2p_group_formation
)
6119 group
= wpa_s
->global
->p2p_group_formation
;
6120 wpa_s
= wpa_s
->parent
;
6121 offchannel_send_action_done(wpa_s
);
6123 wpas_p2p_group_delete(group
, P2P_GROUP_REMOVAL_SILENT
);
6124 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Fall back to GO Negotiation");
6125 wpas_p2p_connect(wpa_s
, wpa_s
->pending_join_dev_addr
, wpa_s
->p2p_pin
,
6126 wpa_s
->p2p_wps_method
, wpa_s
->p2p_persistent_group
, 0,
6127 0, 0, wpa_s
->p2p_go_intent
, wpa_s
->p2p_connect_freq
,
6128 wpa_s
->p2p_persistent_id
,
6129 wpa_s
->p2p_pd_before_go_neg
,
6135 int wpas_p2p_scan_no_go_seen(struct wpa_supplicant
*wpa_s
)
6137 if (!wpa_s
->p2p_fallback_to_go_neg
||
6138 wpa_s
->p2p_in_provisioning
<= 5)
6141 if (wpas_p2p_peer_go(wpa_s
, wpa_s
->pending_join_dev_addr
) > 0)
6142 return 0; /* peer operating as a GO */
6144 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: GO not found for p2p_connect-auto - "
6145 "fallback to GO Negotiation");
6146 wpas_p2p_fallback_to_go_neg(wpa_s
, 1);
6152 unsigned int wpas_p2p_search_delay(struct wpa_supplicant
*wpa_s
)
6154 const char *rn
, *rn2
;
6155 struct wpa_supplicant
*ifs
;
6157 if (wpa_s
->wpa_state
> WPA_SCANNING
) {
6158 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Use %u ms search delay due to "
6159 "concurrent operation",
6160 P2P_CONCURRENT_SEARCH_DELAY
);
6161 return P2P_CONCURRENT_SEARCH_DELAY
;
6164 if (!wpa_s
->driver
->get_radio_name
)
6166 rn
= wpa_s
->driver
->get_radio_name(wpa_s
->drv_priv
);
6167 if (rn
== NULL
|| rn
[0] == '\0')
6170 for (ifs
= wpa_s
->global
->ifaces
; ifs
; ifs
= ifs
->next
) {
6171 if (ifs
== wpa_s
|| !ifs
->driver
->get_radio_name
)
6174 rn2
= ifs
->driver
->get_radio_name(ifs
->drv_priv
);
6175 if (!rn2
|| os_strcmp(rn
, rn2
) != 0)
6177 if (ifs
->wpa_state
> WPA_SCANNING
) {
6178 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Use %u ms search "
6179 "delay due to concurrent operation on "
6181 P2P_CONCURRENT_SEARCH_DELAY
, ifs
->ifname
);
6182 return P2P_CONCURRENT_SEARCH_DELAY
;
6190 void wpas_p2p_continue_after_scan(struct wpa_supplicant
*wpa_s
)
6192 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Station mode scan operation not "
6193 "pending anymore (sta_scan_pending=%d "
6194 "p2p_cb_on_scan_complete=%d)", wpa_s
->sta_scan_pending
,
6195 wpa_s
->global
->p2p_cb_on_scan_complete
);
6196 wpa_s
->sta_scan_pending
= 0;
6198 if (!wpa_s
->global
->p2p_cb_on_scan_complete
)
6200 wpa_s
->global
->p2p_cb_on_scan_complete
= 0;
6202 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
6205 if (p2p_other_scan_completed(wpa_s
->global
->p2p
) == 1) {
6206 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Pending P2P operation "
6207 "continued after successful connection");
6208 p2p_increase_search_delay(wpa_s
->global
->p2p
,
6209 wpas_p2p_search_delay(wpa_s
));
6214 static int wpas_p2p_remove_psk_entry(struct wpa_supplicant
*wpa_s
,
6215 struct wpa_ssid
*s
, const u8
*addr
,
6218 struct psk_list_entry
*psk
, *tmp
;
6221 dl_list_for_each_safe(psk
, tmp
, &s
->psk_list
, struct psk_list_entry
,
6223 if ((iface_addr
&& !psk
->p2p
&&
6224 os_memcmp(addr
, psk
->addr
, ETH_ALEN
) == 0) ||
6225 (!iface_addr
&& psk
->p2p
&&
6226 os_memcmp(addr
, psk
->addr
, ETH_ALEN
) == 0)) {
6227 wpa_dbg(wpa_s
, MSG_DEBUG
,
6228 "P2P: Remove persistent group PSK list entry for "
6230 MAC2STR(psk
->addr
), psk
->p2p
);
6231 dl_list_del(&psk
->list
);
6241 void wpas_p2p_new_psk_cb(struct wpa_supplicant
*wpa_s
, const u8
*mac_addr
,
6242 const u8
*p2p_dev_addr
,
6243 const u8
*psk
, size_t psk_len
)
6245 struct wpa_ssid
*ssid
= wpa_s
->current_ssid
;
6246 struct wpa_ssid
*persistent
;
6247 struct psk_list_entry
*p
;
6249 if (psk_len
!= sizeof(p
->psk
))
6253 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: New PSK for addr=" MACSTR
6254 " p2p_dev_addr=" MACSTR
,
6255 MAC2STR(mac_addr
), MAC2STR(p2p_dev_addr
));
6256 if (is_zero_ether_addr(p2p_dev_addr
))
6257 p2p_dev_addr
= NULL
;
6259 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: New PSK for addr=" MACSTR
,
6263 if (ssid
->mode
== WPAS_MODE_P2P_GROUP_FORMATION
) {
6264 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: new_psk_cb during group formation");
6265 /* To be added to persistent group once created */
6266 if (wpa_s
->global
->add_psk
== NULL
) {
6267 wpa_s
->global
->add_psk
= os_zalloc(sizeof(*p
));
6268 if (wpa_s
->global
->add_psk
== NULL
)
6271 p
= wpa_s
->global
->add_psk
;
6274 os_memcpy(p
->addr
, p2p_dev_addr
, ETH_ALEN
);
6277 os_memcpy(p
->addr
, mac_addr
, ETH_ALEN
);
6279 os_memcpy(p
->psk
, psk
, psk_len
);
6283 if (ssid
->mode
!= WPAS_MODE_P2P_GO
|| !ssid
->p2p_persistent_group
) {
6284 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Ignore new_psk_cb on not-persistent GO");
6288 persistent
= wpas_p2p_get_persistent(wpa_s
->parent
, NULL
, ssid
->ssid
,
6291 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Could not find persistent group information to store the new PSK");
6295 p
= os_zalloc(sizeof(*p
));
6300 os_memcpy(p
->addr
, p2p_dev_addr
, ETH_ALEN
);
6303 os_memcpy(p
->addr
, mac_addr
, ETH_ALEN
);
6305 os_memcpy(p
->psk
, psk
, psk_len
);
6307 if (dl_list_len(&persistent
->psk_list
) > P2P_MAX_STORED_CLIENTS
) {
6308 struct psk_list_entry
*last
;
6309 last
= dl_list_last(&persistent
->psk_list
,
6310 struct psk_list_entry
, list
);
6311 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Remove oldest PSK entry for "
6312 MACSTR
" (p2p=%u) to make room for a new one",
6313 MAC2STR(last
->addr
), last
->p2p
);
6314 dl_list_del(&last
->list
);
6318 wpas_p2p_remove_psk_entry(wpa_s
->parent
, persistent
,
6319 p2p_dev_addr
? p2p_dev_addr
: mac_addr
,
6320 p2p_dev_addr
== NULL
);
6322 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Add new PSK for p2p_dev_addr="
6323 MACSTR
, MAC2STR(p2p_dev_addr
));
6325 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Add new PSK for addr=" MACSTR
,
6328 dl_list_add(&persistent
->psk_list
, &p
->list
);
6330 #ifndef CONFIG_NO_CONFIG_WRITE
6331 if (wpa_s
->parent
->conf
->update_config
&&
6332 wpa_config_write(wpa_s
->parent
->confname
, wpa_s
->parent
->conf
))
6333 wpa_printf(MSG_DEBUG
, "P2P: Failed to update configuration");
6334 #endif /* CONFIG_NO_CONFIG_WRITE */
6338 static void wpas_p2p_remove_psk(struct wpa_supplicant
*wpa_s
,
6339 struct wpa_ssid
*s
, const u8
*addr
,
6344 res
= wpas_p2p_remove_psk_entry(wpa_s
, s
, addr
, iface_addr
);
6346 #ifndef CONFIG_NO_CONFIG_WRITE
6347 if (wpa_s
->conf
->update_config
&&
6348 wpa_config_write(wpa_s
->confname
, wpa_s
->conf
))
6349 wpa_dbg(wpa_s
, MSG_DEBUG
,
6350 "P2P: Failed to update configuration");
6351 #endif /* CONFIG_NO_CONFIG_WRITE */
6356 static void wpas_p2p_remove_client_go(struct wpa_supplicant
*wpa_s
,
6357 const u8
*peer
, int iface_addr
)
6359 struct hostapd_data
*hapd
;
6360 struct hostapd_wpa_psk
*psk
, *prev
, *rem
;
6361 struct sta_info
*sta
;
6363 if (wpa_s
->ap_iface
== NULL
|| wpa_s
->current_ssid
== NULL
||
6364 wpa_s
->current_ssid
->mode
!= WPAS_MODE_P2P_GO
)
6367 /* Remove per-station PSK entry */
6368 hapd
= wpa_s
->ap_iface
->bss
[0];
6370 psk
= hapd
->conf
->ssid
.wpa_psk
;
6372 if ((iface_addr
&& os_memcmp(peer
, psk
->addr
, ETH_ALEN
) == 0) ||
6374 os_memcmp(peer
, psk
->p2p_dev_addr
, ETH_ALEN
) == 0)) {
6375 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Remove operating group PSK entry for "
6376 MACSTR
" iface_addr=%d",
6377 MAC2STR(peer
), iface_addr
);
6379 prev
->next
= psk
->next
;
6381 hapd
->conf
->ssid
.wpa_psk
= psk
->next
;
6391 /* Disconnect from group */
6393 sta
= ap_get_sta(hapd
, peer
);
6395 sta
= ap_get_sta_p2p(hapd
, peer
);
6397 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Disconnect peer " MACSTR
6398 " (iface_addr=%d) from group",
6399 MAC2STR(peer
), iface_addr
);
6400 hostapd_drv_sta_deauth(hapd
, sta
->addr
,
6401 WLAN_REASON_DEAUTH_LEAVING
);
6402 ap_sta_deauthenticate(hapd
, sta
, WLAN_REASON_DEAUTH_LEAVING
);
6407 void wpas_p2p_remove_client(struct wpa_supplicant
*wpa_s
, const u8
*peer
,
6411 struct wpa_supplicant
*w
;
6413 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Remove client " MACSTR
, MAC2STR(peer
));
6415 /* Remove from any persistent group */
6416 for (s
= wpa_s
->parent
->conf
->ssid
; s
; s
= s
->next
) {
6417 if (s
->disabled
!= 2 || s
->mode
!= WPAS_MODE_P2P_GO
)
6420 wpas_remove_persistent_peer(wpa_s
, s
, peer
, 0);
6421 wpas_p2p_remove_psk(wpa_s
->parent
, s
, peer
, iface_addr
);
6424 /* Remove from any operating group */
6425 for (w
= wpa_s
->global
->ifaces
; w
; w
= w
->next
)
6426 wpas_p2p_remove_client_go(w
, peer
, iface_addr
);
6430 static void wpas_p2p_psk_failure_removal(void *eloop_ctx
, void *timeout_ctx
)
6432 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
6433 wpas_p2p_group_delete(wpa_s
, P2P_GROUP_REMOVAL_PSK_FAILURE
);
6437 int wpas_p2p_4way_hs_failed(struct wpa_supplicant
*wpa_s
)
6439 struct wpa_ssid
*ssid
= wpa_s
->current_ssid
;
6441 if (ssid
== NULL
|| !ssid
->p2p_group
)
6444 if (wpa_s
->p2p_last_4way_hs_fail
&&
6445 wpa_s
->p2p_last_4way_hs_fail
== ssid
) {
6446 u8 go_dev_addr
[ETH_ALEN
];
6447 struct wpa_ssid
*persistent
;
6449 if (wpas_p2p_persistent_group(wpa_s
, go_dev_addr
,
6451 ssid
->ssid_len
) <= 0) {
6452 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Could not determine whether 4-way handshake failures were for a persistent group");
6456 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Two 4-way handshake failures for a P2P group - go_dev_addr="
6457 MACSTR
, MAC2STR(go_dev_addr
));
6458 persistent
= wpas_p2p_get_persistent(wpa_s
->parent
, go_dev_addr
,
6461 if (persistent
== NULL
|| persistent
->mode
!= WPAS_MODE_INFRA
) {
6462 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: No matching persistent group stored");
6465 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
6466 P2P_EVENT_PERSISTENT_PSK_FAIL
"%d",
6469 wpa_s
->p2p_last_4way_hs_fail
= NULL
;
6471 * Remove the group from a timeout to avoid issues with caller
6472 * continuing to use the interface if this is on a P2P group
6475 eloop_register_timeout(0, 0, wpas_p2p_psk_failure_removal
,
6480 wpa_s
->p2p_last_4way_hs_fail
= ssid
;