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/p2p_hostapd.h"
21 #include "eapol_supp/eapol_supp_sm.h"
22 #include "rsn_supp/wpa.h"
23 #include "wpa_supplicant_i.h"
26 #include "config_ssid.h"
31 #include "offchannel.h"
32 #include "wps_supplicant.h"
33 #include "p2p_supplicant.h"
37 * How many times to try to scan to find the GO before giving up on join
40 #define P2P_MAX_JOIN_SCAN_ATTEMPTS 10
42 #define P2P_AUTO_PD_SCAN_ATTEMPTS 5
44 #ifndef P2P_MAX_CLIENT_IDLE
46 * How many seconds to try to reconnect to the GO when connection in P2P client
50 #define P2P_MAX_CLIENT_IDLE 20
52 #define P2P_MAX_CLIENT_IDLE 10
53 #endif /* ANDROID_P2P */
54 #endif /* P2P_MAX_CLIENT_IDLE */
56 #ifndef P2P_MAX_INITIAL_CONN_WAIT
58 * How many seconds to wait for initial 4-way handshake to get completed after
59 * WPS provisioning step.
61 #define P2P_MAX_INITIAL_CONN_WAIT 10
62 #endif /* P2P_MAX_INITIAL_CONN_WAIT */
64 #ifndef P2P_CONCURRENT_SEARCH_DELAY
65 #define P2P_CONCURRENT_SEARCH_DELAY 500
66 #endif /* P2P_CONCURRENT_SEARCH_DELAY */
68 enum p2p_group_removal_reason {
69 P2P_GROUP_REMOVAL_UNKNOWN,
70 P2P_GROUP_REMOVAL_SILENT,
71 P2P_GROUP_REMOVAL_FORMATION_FAILED,
72 P2P_GROUP_REMOVAL_REQUESTED,
73 P2P_GROUP_REMOVAL_IDLE_TIMEOUT,
74 P2P_GROUP_REMOVAL_UNAVAILABLE,
75 P2P_GROUP_REMOVAL_GO_ENDING_SESSION,
77 P2P_GROUP_REMOVAL_FREQ_CONFLICT
82 static int wpas_global_scan_in_progress(struct wpa_supplicant *wpa_s);
84 static void wpas_p2p_long_listen_timeout(void *eloop_ctx, void *timeout_ctx);
85 static struct wpa_supplicant *
86 wpas_p2p_get_group_iface(struct wpa_supplicant *wpa_s, int addr_allocated,
88 static int wpas_p2p_join_start(struct wpa_supplicant *wpa_s);
89 static void wpas_p2p_join_scan_req(struct wpa_supplicant *wpa_s, int freq);
90 static void wpas_p2p_join_scan(void *eloop_ctx, void *timeout_ctx);
91 static int wpas_p2p_join(struct wpa_supplicant *wpa_s, const u8 *iface_addr,
92 const u8 *dev_addr, enum p2p_wps_method wps_method,
94 static void wpas_p2p_pd_before_join_timeout(void *eloop_ctx,
96 static int wpas_p2p_create_iface(struct wpa_supplicant *wpa_s);
97 static void wpas_p2p_cross_connect_setup(struct wpa_supplicant *wpa_s);
98 static void wpas_p2p_group_idle_timeout(void *eloop_ctx, void *timeout_ctx);
99 static void wpas_p2p_set_group_idle_timeout(struct wpa_supplicant *wpa_s);
100 static void wpas_p2p_fallback_to_go_neg(struct wpa_supplicant *wpa_s,
104 static int wpas_global_scan_in_progress(struct wpa_supplicant *wpa_s)
106 struct wpa_supplicant *iface = NULL;
108 for (iface = wpa_s->global->ifaces; iface; iface = iface->next) {
109 if(iface->scanning || iface->wpa_state == WPA_SCANNING) {
110 wpa_printf(MSG_DEBUG, "P2P: Scan in progress on %s,"
111 "defer P2P SEARCH", iface->ifname);
120 static void wpas_p2p_scan_res_handler(struct wpa_supplicant *wpa_s,
121 struct wpa_scan_results *scan_res)
125 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
128 wpa_printf(MSG_DEBUG, "P2P: Scan results received (%d BSS)",
129 (int) scan_res->num);
131 for (i = 0; i < scan_res->num; i++) {
132 struct wpa_scan_res *bss = scan_res->res[i];
133 if (p2p_scan_res_handler(wpa_s->global->p2p, bss->bssid,
134 bss->freq, bss->level,
135 (const u8 *) (bss + 1),
140 p2p_scan_res_handled(wpa_s->global->p2p);
144 static int wpas_p2p_scan(void *ctx, enum p2p_scan_type type, int freq,
145 unsigned int num_req_dev_types,
146 const u8 *req_dev_types, const u8 *dev_id, u16 pw_id)
148 struct wpa_supplicant *wpa_s = ctx;
149 struct wpa_supplicant *ifs;
150 struct wpa_driver_scan_params params;
152 struct wpabuf *wps_ie, *ies;
153 int social_channels[] = { 2412, 2437, 2462, 0, 0 };
156 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
159 for (ifs = wpa_s->global->ifaces; ifs; ifs = ifs->next) {
160 if (ifs->sta_scan_pending &&
161 wpas_p2p_in_progress(wpa_s) == 2) {
162 wpa_printf(MSG_DEBUG, "Delaying P2P scan to allow "
163 "pending station mode scan to be "
164 "completed on interface %s", ifs->ifname);
166 ifs->p2p_cb_on_scan_complete = 1;
168 wpa_s->p2p_cb_on_scan_complete = 1;
170 wpa_supplicant_req_scan(ifs, 0, 0);
174 else if(ifs->scanning) {
175 wpa_printf(MSG_DEBUG, "Wait for the STA scan"
177 "completed on interface %s", ifs->ifname);
178 ifs->p2p_cb_on_scan_complete = 1;
184 os_memset(¶ms, 0, sizeof(params));
186 /* P2P Wildcard SSID */
187 params.num_ssids = 1;
188 params.ssids[0].ssid = (u8 *) P2P_WILDCARD_SSID;
189 params.ssids[0].ssid_len = P2P_WILDCARD_SSID_LEN;
191 wpa_s->wps->dev.p2p = 1;
192 wps_ie = wps_build_probe_req_ie(pw_id, &wpa_s->wps->dev,
193 wpa_s->wps->uuid, WPS_REQ_ENROLLEE,
194 num_req_dev_types, req_dev_types);
198 ielen = p2p_scan_ie_buf_len(wpa_s->global->p2p);
199 ies = wpabuf_alloc(wpabuf_len(wps_ie) + ielen);
204 wpabuf_put_buf(ies, wps_ie);
207 p2p_scan_ie(wpa_s->global->p2p, ies, dev_id);
209 params.p2p_probe = 1;
210 params.extra_ies = wpabuf_head(ies);
211 params.extra_ies_len = wpabuf_len(ies);
214 case P2P_SCAN_SOCIAL:
215 params.freqs = social_channels;
219 case P2P_SCAN_SPECIFIC:
220 social_channels[0] = freq;
221 social_channels[1] = 0;
222 params.freqs = social_channels;
224 case P2P_SCAN_SOCIAL_PLUS_ONE:
225 social_channels[3] = freq;
226 params.freqs = social_channels;
230 ret = wpa_drv_scan(wpa_s, ¶ms);
235 if (wpa_s->scanning ||
236 wpa_s->scan_res_handler == wpas_p2p_scan_res_handler) {
237 wpa_s->p2p_cb_on_scan_complete = 1;
241 wpa_s->scan_res_handler = wpas_p2p_scan_res_handler;
247 static enum wpa_driver_if_type wpas_p2p_if_type(int p2p_group_interface)
249 switch (p2p_group_interface) {
250 case P2P_GROUP_INTERFACE_PENDING:
251 return WPA_IF_P2P_GROUP;
252 case P2P_GROUP_INTERFACE_GO:
253 return WPA_IF_P2P_GO;
254 case P2P_GROUP_INTERFACE_CLIENT:
255 return WPA_IF_P2P_CLIENT;
258 return WPA_IF_P2P_GROUP;
262 static struct wpa_supplicant * wpas_get_p2p_group(struct wpa_supplicant *wpa_s,
264 size_t ssid_len, int *go)
268 for (wpa_s = wpa_s->global->ifaces; wpa_s; wpa_s = wpa_s->next) {
269 for (s = wpa_s->conf->ssid; s; s = s->next) {
270 if (s->disabled != 0 || !s->p2p_group ||
271 s->ssid_len != ssid_len ||
272 os_memcmp(ssid, s->ssid, ssid_len) != 0)
274 if (s->mode == WPAS_MODE_P2P_GO &&
275 s != wpa_s->current_ssid)
278 *go = s->mode == WPAS_MODE_P2P_GO;
287 static int wpas_p2p_group_delete(struct wpa_supplicant *wpa_s,
288 enum p2p_group_removal_reason removal_reason)
290 struct wpa_ssid *ssid;
294 ssid = wpa_s->current_ssid;
297 * The current SSID was not known, but there may still be a
298 * pending P2P group interface waiting for provisioning.
300 ssid = wpa_s->conf->ssid;
302 if (ssid->p2p_group &&
303 (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION ||
304 (ssid->key_mgmt & WPA_KEY_MGMT_WPS)))
309 wpa_s->p2p_group_interface == NOT_P2P_GROUP_INTERFACE)
311 wpa_printf(MSG_ERROR, "P2P: P2P group interface "
316 if (wpa_s->p2p_group_interface == P2P_GROUP_INTERFACE_GO)
318 else if (wpa_s->p2p_group_interface == P2P_GROUP_INTERFACE_CLIENT ||
319 (ssid && ssid->mode == WPAS_MODE_INFRA)) {
320 wpa_s->reassociate = 0;
321 wpa_s->disconnected = 1;
322 wpa_supplicant_deauthenticate(wpa_s,
323 WLAN_REASON_DEAUTH_LEAVING);
327 if (wpa_s->cross_connect_in_use) {
328 wpa_s->cross_connect_in_use = 0;
329 wpa_msg(wpa_s->parent, MSG_INFO,
330 P2P_EVENT_CROSS_CONNECT_DISABLE "%s %s",
331 wpa_s->ifname, wpa_s->cross_connect_uplink);
333 switch (removal_reason) {
334 case P2P_GROUP_REMOVAL_REQUESTED:
335 reason = " reason=REQUESTED";
337 case P2P_GROUP_REMOVAL_FORMATION_FAILED:
338 reason = " reason=FORMATION_FAILED";
340 case P2P_GROUP_REMOVAL_IDLE_TIMEOUT:
341 reason = " reason=IDLE";
343 case P2P_GROUP_REMOVAL_UNAVAILABLE:
344 reason = " reason=UNAVAILABLE";
346 case P2P_GROUP_REMOVAL_GO_ENDING_SESSION:
347 reason = " reason=GO_ENDING_SESSION";
350 case P2P_GROUP_REMOVAL_FREQ_CONFLICT:
351 reason = " reason=FREQ_CONFLICT";
358 if (removal_reason != P2P_GROUP_REMOVAL_SILENT) {
359 wpa_msg(wpa_s->parent, MSG_INFO,
360 P2P_EVENT_GROUP_REMOVED "%s %s%s",
361 wpa_s->ifname, gtype, reason);
364 if (eloop_cancel_timeout(wpas_p2p_group_idle_timeout, wpa_s, NULL) > 0)
365 wpa_printf(MSG_DEBUG, "P2P: Cancelled P2P group idle timeout");
367 if (removal_reason != P2P_GROUP_REMOVAL_SILENT && ssid)
368 wpas_notify_p2p_group_removed(wpa_s, ssid, gtype);
370 if (wpa_s->p2p_group_interface != NOT_P2P_GROUP_INTERFACE) {
371 struct wpa_global *global;
373 enum wpa_driver_if_type type;
374 wpa_printf(MSG_DEBUG, "P2P: Remove group interface %s",
376 global = wpa_s->global;
377 ifname = os_strdup(wpa_s->ifname);
378 type = wpas_p2p_if_type(wpa_s->p2p_group_interface);
379 wpa_supplicant_remove_iface(wpa_s->global, wpa_s, 0);
380 wpa_s = global->ifaces;
382 wpa_drv_if_remove(wpa_s, type, ifname);
387 wpa_printf(MSG_DEBUG, "P2P: Remove temporary group network");
388 if (ssid && (ssid->p2p_group ||
389 ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION ||
390 (ssid->key_mgmt & WPA_KEY_MGMT_WPS))) {
392 if (ssid == wpa_s->current_ssid) {
393 wpa_sm_set_config(wpa_s->wpa, NULL);
394 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
395 wpa_s->current_ssid = NULL;
398 * Networks objects created during any P2P activities are not
399 * exposed out as they might/will confuse certain non-P2P aware
400 * applications since these network objects won't behave like
403 * Likewise, we don't send out network removed signals for such
406 wpa_config_remove_network(wpa_s->conf, id);
407 wpa_supplicant_clear_status(wpa_s);
408 wpa_supplicant_cancel_sched_scan(wpa_s);
410 wpa_printf(MSG_DEBUG, "P2P: Temporary group network not "
414 wpa_supplicant_ap_deinit(wpa_s);
416 wpa_drv_deinit_p2p_cli(wpa_s);
422 static int wpas_p2p_persistent_group(struct wpa_supplicant *wpa_s,
424 const u8 *ssid, size_t ssid_len)
432 if (wpa_s->go_params)
433 bssid = wpa_s->go_params->peer_interface_addr;
435 bssid = wpa_s->bssid;
437 bss = wpa_bss_get(wpa_s, bssid, ssid, ssid_len);
439 u8 iface_addr[ETH_ALEN];
440 if (p2p_get_interface_addr(wpa_s->global->p2p, bssid,
442 bss = wpa_bss_get(wpa_s, iface_addr, ssid, ssid_len);
445 wpa_printf(MSG_DEBUG, "P2P: Could not figure out whether "
446 "group is persistent - BSS " MACSTR " not found",
451 p2p = wpa_bss_get_vendor_ie_multi(bss, P2P_IE_VENDOR_TYPE);
453 wpa_printf(MSG_DEBUG, "P2P: Could not figure out whether "
454 "group is persistent - BSS " MACSTR
455 " did not include P2P IE", MAC2STR(bssid));
456 wpa_hexdump(MSG_DEBUG, "P2P: Probe Response IEs",
457 (u8 *) (bss + 1), bss->ie_len);
458 wpa_hexdump(MSG_DEBUG, "P2P: Beacon IEs",
459 ((u8 *) bss + 1) + bss->ie_len,
464 group_capab = p2p_get_group_capab(p2p);
465 addr = p2p_get_go_dev_addr(p2p);
466 wpa_printf(MSG_DEBUG, "P2P: Checking whether group is persistent: "
467 "group_capab=0x%x", group_capab);
469 os_memcpy(go_dev_addr, addr, ETH_ALEN);
470 wpa_printf(MSG_DEBUG, "P2P: GO Device Address " MACSTR,
473 os_memset(go_dev_addr, 0, ETH_ALEN);
476 wpa_printf(MSG_DEBUG, "P2P: BSS " MACSTR " group_capab=0x%x "
477 "go_dev_addr=" MACSTR,
478 MAC2STR(bssid), group_capab, MAC2STR(go_dev_addr));
480 return group_capab & P2P_GROUP_CAPAB_PERSISTENT_GROUP;
484 static int wpas_p2p_store_persistent_group(struct wpa_supplicant *wpa_s,
485 struct wpa_ssid *ssid,
486 const u8 *go_dev_addr)
491 wpa_printf(MSG_DEBUG, "P2P: Storing credentials for a persistent "
492 "group (GO Dev Addr " MACSTR ")", MAC2STR(go_dev_addr));
493 for (s = wpa_s->conf->ssid; s; s = s->next) {
494 if (s->disabled == 2 &&
495 os_memcmp(go_dev_addr, s->bssid, ETH_ALEN) == 0 &&
496 s->ssid_len == ssid->ssid_len &&
497 os_memcmp(ssid->ssid, s->ssid, ssid->ssid_len) == 0)
502 wpa_printf(MSG_DEBUG, "P2P: Update existing persistent group "
504 if (ssid->passphrase && !s->passphrase)
506 else if (ssid->passphrase && s->passphrase &&
507 os_strcmp(ssid->passphrase, s->passphrase) != 0)
510 wpa_printf(MSG_DEBUG, "P2P: Create a new persistent group "
513 s = wpa_config_add_network(wpa_s->conf);
518 * Instead of network_added we emit persistent_group_added
519 * notification. Also to keep the defense checks in
520 * persistent_group obj registration method, we set the
521 * relevant flags in s to designate it as a persistent group.
524 s->p2p_persistent_group = 1;
525 wpas_notify_persistent_group_added(wpa_s, s);
526 wpa_config_set_network_defaults(s);
530 s->p2p_persistent_group = 1;
533 os_memcpy(s->bssid, go_dev_addr, ETH_ALEN);
534 s->mode = ssid->mode;
535 s->auth_alg = WPA_AUTH_ALG_OPEN;
536 s->key_mgmt = WPA_KEY_MGMT_PSK;
537 s->proto = WPA_PROTO_RSN;
538 s->pairwise_cipher = WPA_CIPHER_CCMP;
540 if (ssid->passphrase) {
541 os_free(s->passphrase);
542 s->passphrase = os_strdup(ssid->passphrase);
546 os_memcpy(s->psk, ssid->psk, 32);
548 if (s->passphrase && !s->psk_set)
549 wpa_config_update_psk(s);
550 if (s->ssid == NULL || s->ssid_len < ssid->ssid_len) {
552 s->ssid = os_malloc(ssid->ssid_len);
555 s->ssid_len = ssid->ssid_len;
556 os_memcpy(s->ssid, ssid->ssid, s->ssid_len);
559 #ifndef CONFIG_NO_CONFIG_WRITE
560 if (changed && wpa_s->conf->update_config &&
561 wpa_config_write(wpa_s->confname, wpa_s->conf)) {
562 wpa_printf(MSG_DEBUG, "P2P: Failed to update configuration");
564 #endif /* CONFIG_NO_CONFIG_WRITE */
570 static void wpas_p2p_add_persistent_group_client(struct wpa_supplicant *wpa_s,
573 struct wpa_ssid *ssid, *s;
578 ssid = wpa_s->current_ssid;
579 if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
580 !ssid->p2p_persistent_group)
583 for (s = wpa_s->parent->conf->ssid; s; s = s->next) {
584 if (s->disabled != 2 || s->mode != WPAS_MODE_P2P_GO)
587 if (s->ssid_len == ssid->ssid_len &&
588 os_memcmp(s->ssid, ssid->ssid, s->ssid_len) == 0)
595 for (i = 0; s->p2p_client_list && i < s->num_p2p_clients; i++) {
596 if (os_memcmp(s->p2p_client_list + i * ETH_ALEN, addr,
600 if (i == s->num_p2p_clients - 1)
601 return; /* already the most recent entry */
603 /* move the entry to mark it most recent */
604 os_memmove(s->p2p_client_list + i * ETH_ALEN,
605 s->p2p_client_list + (i + 1) * ETH_ALEN,
606 (s->num_p2p_clients - i - 1) * ETH_ALEN);
607 os_memcpy(s->p2p_client_list +
608 (s->num_p2p_clients - 1) * ETH_ALEN, addr, ETH_ALEN);
613 if (!found && s->num_p2p_clients < P2P_MAX_STORED_CLIENTS) {
614 n = os_realloc_array(s->p2p_client_list,
615 s->num_p2p_clients + 1, ETH_ALEN);
618 os_memcpy(n + s->num_p2p_clients * ETH_ALEN, addr, ETH_ALEN);
619 s->p2p_client_list = n;
620 s->num_p2p_clients++;
622 /* Not enough room for an additional entry - drop the oldest
624 os_memmove(s->p2p_client_list,
625 s->p2p_client_list + ETH_ALEN,
626 (s->num_p2p_clients - 1) * ETH_ALEN);
627 os_memcpy(s->p2p_client_list +
628 (s->num_p2p_clients - 1) * ETH_ALEN,
632 #ifndef CONFIG_NO_CONFIG_WRITE
633 if (wpa_s->parent->conf->update_config &&
634 wpa_config_write(wpa_s->parent->confname, wpa_s->parent->conf))
635 wpa_printf(MSG_DEBUG, "P2P: Failed to update configuration");
636 #endif /* CONFIG_NO_CONFIG_WRITE */
640 static void wpas_group_formation_completed(struct wpa_supplicant *wpa_s,
643 struct wpa_ssid *ssid;
644 const char *ssid_txt;
647 u8 go_dev_addr[ETH_ALEN];
651 * This callback is likely called for the main interface. Update wpa_s
652 * to use the group interface if a new interface was created for the
655 if (wpa_s->global->p2p_group_formation)
656 wpa_s = wpa_s->global->p2p_group_formation;
657 wpa_s->global->p2p_group_formation = NULL;
658 wpa_s->p2p_in_provisioning = 0;
661 wpa_msg(wpa_s->parent, MSG_INFO,
662 P2P_EVENT_GROUP_FORMATION_FAILURE);
663 wpas_p2p_group_delete(wpa_s,
664 P2P_GROUP_REMOVAL_FORMATION_FAILED);
668 wpa_msg(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_FORMATION_SUCCESS);
670 ssid = wpa_s->current_ssid;
671 if (ssid && ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION) {
672 ssid->mode = WPAS_MODE_P2P_GO;
673 p2p_group_notif_formation_done(wpa_s->p2p_group);
674 wpa_supplicant_ap_mac_addr_filter(wpa_s, NULL);
679 ssid_txt = wpa_ssid_txt(ssid->ssid, ssid->ssid_len);
680 client = ssid->mode == WPAS_MODE_INFRA;
681 if (ssid->mode == WPAS_MODE_P2P_GO) {
682 persistent = ssid->p2p_persistent_group;
683 os_memcpy(go_dev_addr, wpa_s->global->p2p_dev_addr,
686 persistent = wpas_p2p_persistent_group(wpa_s,
692 client = wpa_s->p2p_group_interface ==
693 P2P_GROUP_INTERFACE_CLIENT;
694 os_memset(go_dev_addr, 0, ETH_ALEN);
697 wpa_s->show_group_started = 0;
700 * Indicate event only after successfully completed 4-way
701 * handshake, i.e., when the interface is ready for data
704 wpa_s->show_group_started = 1;
706 /* For client Second phase of Group formation (4-way handshake) can be still pending
707 * So we need to restore wpa_s->global->p2p_group_formation */
708 wpa_printf(MSG_INFO, "Restoring back wpa_s->global->p2p_group_formation to wpa_s %p\n", wpa_s);
709 wpa_s->global->p2p_group_formation = wpa_s;
712 } else if (ssid && ssid->passphrase == NULL && ssid->psk_set) {
714 wpa_snprintf_hex(psk, sizeof(psk), ssid->psk, 32);
715 wpa_msg(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_STARTED
716 "%s GO ssid=\"%s\" freq=%d psk=%s go_dev_addr=" MACSTR
718 wpa_s->ifname, ssid_txt, ssid->frequency, psk,
719 MAC2STR(go_dev_addr),
720 persistent ? " [PERSISTENT]" : "");
721 wpas_p2p_cross_connect_setup(wpa_s);
722 wpas_p2p_set_group_idle_timeout(wpa_s);
724 wpa_msg(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_STARTED
725 "%s GO ssid=\"%s\" freq=%d passphrase=\"%s\" "
726 "go_dev_addr=" MACSTR "%s",
727 wpa_s->ifname, ssid_txt, ssid ? ssid->frequency : 0,
728 ssid && ssid->passphrase ? ssid->passphrase : "",
729 MAC2STR(go_dev_addr),
730 persistent ? " [PERSISTENT]" : "");
731 wpas_p2p_cross_connect_setup(wpa_s);
732 wpas_p2p_set_group_idle_timeout(wpa_s);
736 network_id = wpas_p2p_store_persistent_group(wpa_s->parent,
738 if (network_id < 0 && ssid)
739 network_id = ssid->id;
741 wpas_notify_p2p_group_started(wpa_s, ssid, network_id, 0);
745 static void wpas_p2p_send_action_tx_status(struct wpa_supplicant *wpa_s,
747 const u8 *dst, const u8 *src,
749 const u8 *data, size_t data_len,
750 enum offchannel_send_action_result
753 enum p2p_send_action_result res = P2P_SEND_ACTION_SUCCESS;
755 if (wpa_s->global->p2p == NULL || wpa_s->global->p2p_disabled)
757 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)
761 case OFFCHANNEL_SEND_ACTION_SUCCESS:
762 res = P2P_SEND_ACTION_SUCCESS;
764 case OFFCHANNEL_SEND_ACTION_NO_ACK:
765 res = P2P_SEND_ACTION_NO_ACK;
767 case OFFCHANNEL_SEND_ACTION_FAILED:
768 res = P2P_SEND_ACTION_FAILED;
772 p2p_send_action_cb(wpa_s->global->p2p, freq, dst, src, bssid, res);
774 if (result != OFFCHANNEL_SEND_ACTION_SUCCESS &&
775 wpa_s->pending_pd_before_join &&
776 (os_memcmp(dst, wpa_s->pending_join_dev_addr, ETH_ALEN) == 0 ||
777 os_memcmp(dst, wpa_s->pending_join_iface_addr, ETH_ALEN) == 0)) {
778 wpa_s->pending_pd_before_join = 0;
779 if (wpa_s->p2p_fallback_to_go_neg) {
780 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: No ACK for PD Req "
781 "during p2p_connect-auto");
782 wpas_p2p_fallback_to_go_neg(wpa_s, 0);
786 wpa_printf(MSG_DEBUG, "P2P: Starting pending "
787 "join-existing-group operation (no ACK for PD "
789 wpas_p2p_join_start(wpa_s);
794 static int wpas_send_action(void *ctx, unsigned int freq, const u8 *dst,
795 const u8 *src, const u8 *bssid, const u8 *buf,
796 size_t len, unsigned int wait_time)
798 struct wpa_supplicant *wpa_s = ctx;
799 return offchannel_send_action(wpa_s, freq, dst, src, bssid, buf, len,
801 wpas_p2p_send_action_tx_status, 1);
805 static void wpas_send_action_done(void *ctx)
807 struct wpa_supplicant *wpa_s = ctx;
808 offchannel_send_action_done(wpa_s);
812 static int wpas_copy_go_neg_results(struct wpa_supplicant *wpa_s,
813 struct p2p_go_neg_results *params)
815 if (wpa_s->go_params == NULL) {
816 wpa_s->go_params = os_malloc(sizeof(*params));
817 if (wpa_s->go_params == NULL)
820 os_memcpy(wpa_s->go_params, params, sizeof(*params));
825 static void wpas_start_wps_enrollee(struct wpa_supplicant *wpa_s,
826 struct p2p_go_neg_results *res)
828 wpa_printf(MSG_DEBUG, "P2P: Start WPS Enrollee for peer " MACSTR,
829 MAC2STR(res->peer_interface_addr));
830 wpa_hexdump_ascii(MSG_DEBUG, "P2P: Start WPS Enrollee for SSID",
831 res->ssid, res->ssid_len);
832 wpa_supplicant_ap_deinit(wpa_s);
833 wpas_copy_go_neg_results(wpa_s, res);
834 if (res->wps_method == WPS_PBC)
835 wpas_wps_start_pbc(wpa_s, res->peer_interface_addr, 1);
837 u16 dev_pw_id = DEV_PW_DEFAULT;
838 if (wpa_s->p2p_wps_method == WPS_PIN_KEYPAD)
839 dev_pw_id = DEV_PW_REGISTRAR_SPECIFIED;
840 wpas_wps_start_pin(wpa_s, res->peer_interface_addr,
841 wpa_s->p2p_pin, 1, dev_pw_id);
846 static void p2p_go_configured(void *ctx, void *data)
848 struct wpa_supplicant *wpa_s = ctx;
849 struct p2p_go_neg_results *params = data;
850 struct wpa_ssid *ssid;
853 ssid = wpa_s->current_ssid;
854 if (ssid && ssid->mode == WPAS_MODE_P2P_GO) {
855 wpa_printf(MSG_DEBUG, "P2P: Group setup without provisioning");
856 if (wpa_s->global->p2p_group_formation == wpa_s)
857 wpa_s->global->p2p_group_formation = NULL;
858 wpa_msg(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_STARTED
859 "%s GO ssid=\"%s\" freq=%d passphrase=\"%s\" "
860 "go_dev_addr=" MACSTR "%s",
862 wpa_ssid_txt(ssid->ssid, ssid->ssid_len),
864 params->passphrase ? params->passphrase : "",
865 MAC2STR(wpa_s->global->p2p_dev_addr),
866 params->persistent_group ? " [PERSISTENT]" : "");
868 if (params->persistent_group)
869 network_id = wpas_p2p_store_persistent_group(
871 wpa_s->global->p2p_dev_addr);
873 network_id = ssid->id;
874 wpas_notify_p2p_group_started(wpa_s, ssid, network_id, 0);
875 wpas_p2p_cross_connect_setup(wpa_s);
876 wpas_p2p_set_group_idle_timeout(wpa_s);
880 wpa_printf(MSG_DEBUG, "P2P: Setting up WPS for GO provisioning");
881 if (wpa_supplicant_ap_mac_addr_filter(wpa_s,
882 params->peer_interface_addr)) {
883 wpa_printf(MSG_DEBUG, "P2P: Failed to setup MAC address "
887 if (params->wps_method == WPS_PBC)
888 wpa_supplicant_ap_wps_pbc(wpa_s, params->peer_interface_addr,
889 params->peer_device_addr);
890 else if (wpa_s->p2p_pin[0])
891 wpa_supplicant_ap_wps_pin(wpa_s, params->peer_interface_addr,
892 wpa_s->p2p_pin, NULL, 0);
893 os_free(wpa_s->go_params);
894 wpa_s->go_params = NULL;
898 static void wpas_start_wps_go(struct wpa_supplicant *wpa_s,
899 struct p2p_go_neg_results *params,
902 struct wpa_ssid *ssid;
904 if (wpas_copy_go_neg_results(wpa_s, params) < 0)
907 ssid = wpa_config_add_network(wpa_s->conf);
911 wpa_s->show_group_started = 0;
913 wpa_config_set_network_defaults(ssid);
916 ssid->p2p_persistent_group = params->persistent_group;
917 ssid->mode = group_formation ? WPAS_MODE_P2P_GROUP_FORMATION :
919 ssid->frequency = params->freq;
920 ssid->ht40 = params->ht40;
921 ssid->ssid = os_zalloc(params->ssid_len + 1);
923 os_memcpy(ssid->ssid, params->ssid, params->ssid_len);
924 ssid->ssid_len = params->ssid_len;
926 ssid->auth_alg = WPA_AUTH_ALG_OPEN;
927 ssid->key_mgmt = WPA_KEY_MGMT_PSK;
928 ssid->proto = WPA_PROTO_RSN;
929 ssid->pairwise_cipher = WPA_CIPHER_CCMP;
930 ssid->passphrase = os_strdup(params->passphrase);
931 ssid->ap_max_inactivity = wpa_s->parent->conf->p2p_go_max_inactivity;
933 wpa_s->ap_configured_cb = p2p_go_configured;
934 wpa_s->ap_configured_cb_ctx = wpa_s;
935 wpa_s->ap_configured_cb_data = wpa_s->go_params;
936 wpa_s->connect_without_scan = ssid;
937 wpa_s->reassociate = 1;
938 wpa_s->disconnected = 0;
939 wpa_supplicant_req_scan(wpa_s, 0, 0);
943 static void wpas_p2p_clone_config(struct wpa_supplicant *dst,
944 const struct wpa_supplicant *src)
946 struct wpa_config *d;
947 const struct wpa_config *s;
952 #define C(n) if (s->n) d->n = os_strdup(s->n)
961 os_memcpy(d->device_type, s->device_type, WPS_DEV_TYPE_LEN);
962 os_memcpy(d->sec_device_type, s->sec_device_type,
963 sizeof(d->sec_device_type));
964 d->num_sec_device_types = s->num_sec_device_types;
966 d->p2p_group_idle = s->p2p_group_idle;
967 d->p2p_intra_bss = s->p2p_intra_bss;
968 d->persistent_reconnect = s->persistent_reconnect;
969 d->max_num_sta = s->max_num_sta;
970 d->pbc_in_m1 = s->pbc_in_m1;
974 static int wpas_p2p_add_group_interface(struct wpa_supplicant *wpa_s,
975 enum wpa_driver_if_type type)
977 char ifname[120], force_ifname[120];
979 if (wpa_s->pending_interface_name[0]) {
980 wpa_printf(MSG_DEBUG, "P2P: Pending virtual interface exists "
981 "- skip creation of a new one");
982 if (is_zero_ether_addr(wpa_s->pending_interface_addr)) {
983 wpa_printf(MSG_DEBUG, "P2P: Pending virtual address "
984 "unknown?! ifname='%s'",
985 wpa_s->pending_interface_name);
991 os_snprintf(ifname, sizeof(ifname), "p2p-%s-%d", wpa_s->ifname,
992 wpa_s->p2p_group_idx);
993 if (os_strlen(ifname) >= IFNAMSIZ &&
994 os_strlen(wpa_s->ifname) < IFNAMSIZ) {
995 /* Try to avoid going over the IFNAMSIZ length limit */
996 os_snprintf(ifname, sizeof(ifname), "p2p-%d",
997 wpa_s->p2p_group_idx);
999 force_ifname[0] = '\0';
1001 wpa_printf(MSG_DEBUG, "P2P: Create a new interface %s for the group",
1003 wpa_s->p2p_group_idx++;
1005 wpa_s->pending_interface_type = type;
1006 if (wpa_drv_if_add(wpa_s, type, ifname, NULL, NULL, force_ifname,
1007 wpa_s->pending_interface_addr, NULL) < 0) {
1008 wpa_printf(MSG_ERROR, "P2P: Failed to create new group "
1013 if (force_ifname[0]) {
1014 wpa_printf(MSG_DEBUG, "P2P: Driver forced interface name %s",
1016 os_strlcpy(wpa_s->pending_interface_name, force_ifname,
1017 sizeof(wpa_s->pending_interface_name));
1019 os_strlcpy(wpa_s->pending_interface_name, ifname,
1020 sizeof(wpa_s->pending_interface_name));
1021 wpa_printf(MSG_DEBUG, "P2P: Created pending virtual interface %s addr "
1022 MACSTR, wpa_s->pending_interface_name,
1023 MAC2STR(wpa_s->pending_interface_addr));
1029 static void wpas_p2p_remove_pending_group_interface(
1030 struct wpa_supplicant *wpa_s)
1032 if (!wpa_s->pending_interface_name[0] ||
1033 is_zero_ether_addr(wpa_s->pending_interface_addr))
1034 return; /* No pending virtual interface */
1036 wpa_printf(MSG_DEBUG, "P2P: Removing pending group interface %s",
1037 wpa_s->pending_interface_name);
1038 wpa_drv_if_remove(wpa_s, wpa_s->pending_interface_type,
1039 wpa_s->pending_interface_name);
1040 os_memset(wpa_s->pending_interface_addr, 0, ETH_ALEN);
1041 wpa_s->pending_interface_name[0] = '\0';
1045 static struct wpa_supplicant *
1046 wpas_p2p_init_group_interface(struct wpa_supplicant *wpa_s, int go)
1048 struct wpa_interface iface;
1049 struct wpa_supplicant *group_wpa_s;
1051 if (!wpa_s->pending_interface_name[0]) {
1052 wpa_printf(MSG_ERROR, "P2P: No pending group interface");
1053 if (!wpas_p2p_create_iface(wpa_s))
1056 * Something has forced us to remove the pending interface; try
1057 * to create a new one and hope for the best that we will get
1058 * the same local address.
1060 if (wpas_p2p_add_group_interface(wpa_s, go ? WPA_IF_P2P_GO :
1061 WPA_IF_P2P_CLIENT) < 0)
1065 os_memset(&iface, 0, sizeof(iface));
1066 iface.ifname = wpa_s->pending_interface_name;
1067 iface.driver = wpa_s->driver->name;
1068 iface.ctrl_interface = wpa_s->conf->ctrl_interface;
1069 iface.driver_param = wpa_s->conf->driver_param;
1070 group_wpa_s = wpa_supplicant_add_iface(wpa_s->global, &iface);
1071 if (group_wpa_s == NULL) {
1072 wpa_printf(MSG_ERROR, "P2P: Failed to create new "
1073 "wpa_supplicant interface");
1076 wpa_s->pending_interface_name[0] = '\0';
1077 group_wpa_s->parent = wpa_s;
1078 group_wpa_s->p2p_group_interface = go ? P2P_GROUP_INTERFACE_GO :
1079 P2P_GROUP_INTERFACE_CLIENT;
1080 wpa_s->global->p2p_group_formation = group_wpa_s;
1082 wpas_p2p_clone_config(group_wpa_s, wpa_s);
1088 static void wpas_p2p_group_formation_timeout(void *eloop_ctx,
1091 struct wpa_supplicant *wpa_s = eloop_ctx;
1092 wpa_printf(MSG_DEBUG, "P2P: Group Formation timed out");
1093 if (wpa_s->global->p2p)
1094 p2p_group_formation_failed(wpa_s->global->p2p);
1095 else if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)
1096 wpa_drv_p2p_group_formation_failed(wpa_s);
1097 wpas_group_formation_completed(wpa_s, 0);
1101 void wpas_go_neg_completed(void *ctx, struct p2p_go_neg_results *res)
1103 struct wpa_supplicant *wpa_s = ctx;
1105 if (wpa_s->off_channel_freq || wpa_s->roc_waiting_drv_freq) {
1106 wpa_drv_cancel_remain_on_channel(wpa_s);
1107 wpa_s->off_channel_freq = 0;
1108 wpa_s->roc_waiting_drv_freq = 0;
1112 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_GO_NEG_FAILURE "status=%d",
1114 wpas_notify_p2p_go_neg_completed(wpa_s, res);
1115 wpas_p2p_remove_pending_group_interface(wpa_s);
1119 if (wpa_s->p2p_go_ht40)
1122 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_GO_NEG_SUCCESS);
1123 wpas_notify_p2p_go_neg_completed(wpa_s, res);
1125 if (res->role_go && wpa_s->p2p_persistent_id >= 0) {
1126 struct wpa_ssid *ssid;
1127 ssid = wpa_config_get_network(wpa_s->conf,
1128 wpa_s->p2p_persistent_id);
1129 if (ssid && ssid->disabled == 2 &&
1130 ssid->mode == WPAS_MODE_P2P_GO && ssid->passphrase) {
1131 size_t len = os_strlen(ssid->passphrase);
1132 wpa_printf(MSG_DEBUG, "P2P: Override passphrase based "
1133 "on requested persistent group");
1134 os_memcpy(res->passphrase, ssid->passphrase, len);
1135 res->passphrase[len] = '\0';
1139 if (wpa_s->create_p2p_iface) {
1140 struct wpa_supplicant *group_wpa_s =
1141 wpas_p2p_init_group_interface(wpa_s, res->role_go);
1142 if (group_wpa_s == NULL) {
1143 wpas_p2p_remove_pending_group_interface(wpa_s);
1146 if (group_wpa_s != wpa_s) {
1147 os_memcpy(group_wpa_s->p2p_pin, wpa_s->p2p_pin,
1148 sizeof(group_wpa_s->p2p_pin));
1149 group_wpa_s->p2p_wps_method = wpa_s->p2p_wps_method;
1151 os_memset(wpa_s->pending_interface_addr, 0, ETH_ALEN);
1152 wpa_s->pending_interface_name[0] = '\0';
1153 group_wpa_s->p2p_in_provisioning = 1;
1156 wpas_start_wps_go(group_wpa_s, res, 1);
1158 wpas_start_wps_enrollee(group_wpa_s, res);
1160 wpa_s->p2p_in_provisioning = 1;
1161 wpa_s->global->p2p_group_formation = wpa_s;
1164 wpas_start_wps_go(wpa_s, res, 1);
1166 wpas_start_wps_enrollee(ctx, res);
1169 wpa_s->p2p_long_listen = 0;
1170 eloop_cancel_timeout(wpas_p2p_long_listen_timeout, wpa_s, NULL);
1172 eloop_cancel_timeout(wpas_p2p_group_formation_timeout, wpa_s, NULL);
1173 eloop_register_timeout(15 + res->peer_config_timeout / 100,
1174 (res->peer_config_timeout % 100) * 10000,
1175 wpas_p2p_group_formation_timeout, wpa_s, NULL);
1179 void wpas_go_neg_req_rx(void *ctx, const u8 *src, u16 dev_passwd_id)
1181 struct wpa_supplicant *wpa_s = ctx;
1182 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_GO_NEG_REQUEST MACSTR
1183 " dev_passwd_id=%u", MAC2STR(src), dev_passwd_id);
1185 wpas_notify_p2p_go_neg_req(wpa_s, src, dev_passwd_id);
1189 void wpas_dev_found(void *ctx, const u8 *addr,
1190 const struct p2p_peer_info *info,
1193 #ifndef CONFIG_NO_STDOUT_DEBUG
1194 struct wpa_supplicant *wpa_s = ctx;
1195 char devtype[WPS_DEV_TYPE_BUFSIZE];
1196 #define WFD_DEV_INFO_SIZE 9
1197 char wfd_dev_info_hex[2 * WFD_DEV_INFO_SIZE + 1];
1198 os_memset(wfd_dev_info_hex, 0, sizeof(wfd_dev_info_hex));
1199 #ifdef CONFIG_WIFI_DISPLAY
1200 if (info->wfd_subelems) {
1201 wpa_snprintf_hex(wfd_dev_info_hex, sizeof(wfd_dev_info_hex),
1202 wpabuf_head(info->wfd_subelems),
1205 #endif /* CONFIG_WIFI_DISPLAY */
1206 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_DEVICE_FOUND MACSTR
1207 " p2p_dev_addr=" MACSTR
1208 " pri_dev_type=%s name='%s' config_methods=0x%x "
1209 "dev_capab=0x%x group_capab=0x%x%s%s",
1210 MAC2STR(addr), MAC2STR(info->p2p_device_addr),
1211 wps_dev_type_bin2str(info->pri_dev_type, devtype,
1213 info->device_name, info->config_methods,
1214 info->dev_capab, info->group_capab,
1215 wfd_dev_info_hex[0] ? " wfd_dev_info=0x" : "", wfd_dev_info_hex);
1216 #endif /* CONFIG_NO_STDOUT_DEBUG */
1218 wpas_notify_p2p_device_found(ctx, info->p2p_device_addr, new_device);
1222 static void wpas_dev_lost(void *ctx, const u8 *dev_addr)
1224 struct wpa_supplicant *wpa_s = ctx;
1226 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_DEVICE_LOST
1227 "p2p_dev_addr=" MACSTR, MAC2STR(dev_addr));
1229 wpas_notify_p2p_device_lost(wpa_s, dev_addr);
1233 static int wpas_start_listen(void *ctx, unsigned int freq,
1234 unsigned int duration,
1235 const struct wpabuf *probe_resp_ie)
1237 struct wpa_supplicant *wpa_s = ctx;
1239 wpa_drv_set_ap_wps_ie(wpa_s, NULL, probe_resp_ie, NULL);
1241 if (wpa_drv_probe_req_report(wpa_s, 1) < 0) {
1242 wpa_printf(MSG_DEBUG, "P2P: Failed to request the driver to "
1243 "report received Probe Request frames");
1247 wpa_s->pending_listen_freq = freq;
1248 wpa_s->pending_listen_duration = duration;
1250 if (wpa_drv_remain_on_channel(wpa_s, freq, duration) < 0) {
1251 wpa_printf(MSG_DEBUG, "P2P: Failed to request the driver "
1252 "to remain on channel (%u MHz) for Listen "
1254 wpa_s->pending_listen_freq = 0;
1257 wpa_s->off_channel_freq = 0;
1258 wpa_s->roc_waiting_drv_freq = freq;
1264 static void wpas_stop_listen(void *ctx)
1266 struct wpa_supplicant *wpa_s = ctx;
1267 if (wpa_s->off_channel_freq || wpa_s->roc_waiting_drv_freq) {
1268 wpa_drv_cancel_remain_on_channel(wpa_s);
1269 wpa_s->off_channel_freq = 0;
1270 wpa_s->roc_waiting_drv_freq = 0;
1272 wpa_drv_set_ap_wps_ie(wpa_s, NULL, NULL, NULL);
1273 wpa_drv_probe_req_report(wpa_s, 0);
1277 static int wpas_send_probe_resp(void *ctx, const struct wpabuf *buf)
1279 struct wpa_supplicant *wpa_s = ctx;
1280 return wpa_drv_send_mlme(wpa_s, wpabuf_head(buf), wpabuf_len(buf), 1);
1284 static struct p2p_srv_bonjour *
1285 wpas_p2p_service_get_bonjour(struct wpa_supplicant *wpa_s,
1286 const struct wpabuf *query)
1288 struct p2p_srv_bonjour *bsrv;
1291 len = wpabuf_len(query);
1292 dl_list_for_each(bsrv, &wpa_s->global->p2p_srv_bonjour,
1293 struct p2p_srv_bonjour, list) {
1294 if (len == wpabuf_len(bsrv->query) &&
1295 os_memcmp(wpabuf_head(query), wpabuf_head(bsrv->query),
1303 static struct p2p_srv_upnp *
1304 wpas_p2p_service_get_upnp(struct wpa_supplicant *wpa_s, u8 version,
1305 const char *service)
1307 struct p2p_srv_upnp *usrv;
1309 dl_list_for_each(usrv, &wpa_s->global->p2p_srv_upnp,
1310 struct p2p_srv_upnp, list) {
1311 if (version == usrv->version &&
1312 os_strcmp(service, usrv->service) == 0)
1319 static void wpas_sd_add_proto_not_avail(struct wpabuf *resp, u8 srv_proto,
1324 if (wpabuf_tailroom(resp) < 5)
1327 /* Length (to be filled) */
1328 len_pos = wpabuf_put(resp, 2);
1329 wpabuf_put_u8(resp, srv_proto);
1330 wpabuf_put_u8(resp, srv_trans_id);
1332 wpabuf_put_u8(resp, P2P_SD_PROTO_NOT_AVAILABLE);
1333 /* Response Data: empty */
1334 WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos - 2);
1338 static void wpas_sd_all_bonjour(struct wpa_supplicant *wpa_s,
1339 struct wpabuf *resp, u8 srv_trans_id)
1341 struct p2p_srv_bonjour *bsrv;
1344 wpa_printf(MSG_DEBUG, "P2P: SD Request for all Bonjour services");
1346 if (dl_list_empty(&wpa_s->global->p2p_srv_bonjour)) {
1347 wpa_printf(MSG_DEBUG, "P2P: Bonjour protocol not available");
1351 dl_list_for_each(bsrv, &wpa_s->global->p2p_srv_bonjour,
1352 struct p2p_srv_bonjour, list) {
1353 if (wpabuf_tailroom(resp) <
1354 5 + wpabuf_len(bsrv->query) + wpabuf_len(bsrv->resp))
1356 /* Length (to be filled) */
1357 len_pos = wpabuf_put(resp, 2);
1358 wpabuf_put_u8(resp, P2P_SERV_BONJOUR);
1359 wpabuf_put_u8(resp, srv_trans_id);
1361 wpabuf_put_u8(resp, P2P_SD_SUCCESS);
1362 wpa_hexdump_ascii(MSG_DEBUG, "P2P: Matching Bonjour service",
1363 wpabuf_head(bsrv->resp),
1364 wpabuf_len(bsrv->resp));
1366 wpabuf_put_buf(resp, bsrv->query); /* Key */
1367 wpabuf_put_buf(resp, bsrv->resp); /* Value */
1368 WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos -
1374 static void wpas_sd_req_bonjour(struct wpa_supplicant *wpa_s,
1375 struct wpabuf *resp, u8 srv_trans_id,
1376 const u8 *query, size_t query_len)
1378 struct p2p_srv_bonjour *bsrv;
1382 wpa_hexdump_ascii(MSG_DEBUG, "P2P: SD Request for Bonjour",
1384 if (dl_list_empty(&wpa_s->global->p2p_srv_bonjour)) {
1385 wpa_printf(MSG_DEBUG, "P2P: Bonjour protocol not available");
1386 wpas_sd_add_proto_not_avail(resp, P2P_SERV_BONJOUR,
1391 if (query_len == 0) {
1392 wpas_sd_all_bonjour(wpa_s, resp, srv_trans_id);
1396 if (wpabuf_tailroom(resp) < 5)
1398 /* Length (to be filled) */
1399 len_pos = wpabuf_put(resp, 2);
1400 wpabuf_put_u8(resp, P2P_SERV_BONJOUR);
1401 wpabuf_put_u8(resp, srv_trans_id);
1403 wpabuf_set(&buf, query, query_len);
1404 bsrv = wpas_p2p_service_get_bonjour(wpa_s, &buf);
1406 wpa_printf(MSG_DEBUG, "P2P: Requested Bonjour service not "
1410 wpabuf_put_u8(resp, P2P_SD_REQUESTED_INFO_NOT_AVAILABLE);
1411 /* Response Data: empty */
1412 WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos -
1418 wpabuf_put_u8(resp, P2P_SD_SUCCESS);
1419 wpa_hexdump_ascii(MSG_DEBUG, "P2P: Matching Bonjour service",
1420 wpabuf_head(bsrv->resp), wpabuf_len(bsrv->resp));
1422 if (wpabuf_tailroom(resp) >=
1423 wpabuf_len(bsrv->query) + wpabuf_len(bsrv->resp)) {
1425 wpabuf_put_buf(resp, bsrv->query); /* Key */
1426 wpabuf_put_buf(resp, bsrv->resp); /* Value */
1428 WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos - 2);
1432 static void wpas_sd_all_upnp(struct wpa_supplicant *wpa_s,
1433 struct wpabuf *resp, u8 srv_trans_id)
1435 struct p2p_srv_upnp *usrv;
1438 wpa_printf(MSG_DEBUG, "P2P: SD Request for all UPnP services");
1440 if (dl_list_empty(&wpa_s->global->p2p_srv_upnp)) {
1441 wpa_printf(MSG_DEBUG, "P2P: UPnP protocol not available");
1445 dl_list_for_each(usrv, &wpa_s->global->p2p_srv_upnp,
1446 struct p2p_srv_upnp, list) {
1447 if (wpabuf_tailroom(resp) < 5 + 1 + os_strlen(usrv->service))
1450 /* Length (to be filled) */
1451 len_pos = wpabuf_put(resp, 2);
1452 wpabuf_put_u8(resp, P2P_SERV_UPNP);
1453 wpabuf_put_u8(resp, srv_trans_id);
1456 wpabuf_put_u8(resp, P2P_SD_SUCCESS);
1458 wpabuf_put_u8(resp, usrv->version);
1459 wpa_printf(MSG_DEBUG, "P2P: Matching UPnP Service: %s",
1461 wpabuf_put_str(resp, usrv->service);
1462 WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos -
1468 static void wpas_sd_req_upnp(struct wpa_supplicant *wpa_s,
1469 struct wpabuf *resp, u8 srv_trans_id,
1470 const u8 *query, size_t query_len)
1472 struct p2p_srv_upnp *usrv;
1478 wpa_hexdump_ascii(MSG_DEBUG, "P2P: SD Request for UPnP",
1481 if (dl_list_empty(&wpa_s->global->p2p_srv_upnp)) {
1482 wpa_printf(MSG_DEBUG, "P2P: UPnP protocol not available");
1483 wpas_sd_add_proto_not_avail(resp, P2P_SERV_UPNP,
1488 if (query_len == 0) {
1489 wpas_sd_all_upnp(wpa_s, resp, srv_trans_id);
1493 if (wpabuf_tailroom(resp) < 5)
1496 /* Length (to be filled) */
1497 len_pos = wpabuf_put(resp, 2);
1498 wpabuf_put_u8(resp, P2P_SERV_UPNP);
1499 wpabuf_put_u8(resp, srv_trans_id);
1502 str = os_malloc(query_len);
1505 os_memcpy(str, query + 1, query_len - 1);
1506 str[query_len - 1] = '\0';
1508 dl_list_for_each(usrv, &wpa_s->global->p2p_srv_upnp,
1509 struct p2p_srv_upnp, list) {
1510 if (version != usrv->version)
1513 if (os_strcmp(str, "ssdp:all") != 0 &&
1514 os_strstr(usrv->service, str) == NULL)
1517 if (wpabuf_tailroom(resp) < 2)
1521 wpabuf_put_u8(resp, P2P_SD_SUCCESS);
1523 wpabuf_put_u8(resp, version);
1525 wpabuf_put_u8(resp, ',');
1529 wpa_printf(MSG_DEBUG, "P2P: Matching UPnP Service: %s",
1531 if (wpabuf_tailroom(resp) < os_strlen(usrv->service))
1533 wpabuf_put_str(resp, usrv->service);
1538 wpa_printf(MSG_DEBUG, "P2P: Requested UPnP service not "
1541 wpabuf_put_u8(resp, P2P_SD_REQUESTED_INFO_NOT_AVAILABLE);
1542 /* Response Data: empty */
1545 WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos - 2);
1549 #ifdef CONFIG_WIFI_DISPLAY
1550 static void wpas_sd_req_wfd(struct wpa_supplicant *wpa_s,
1551 struct wpabuf *resp, u8 srv_trans_id,
1552 const u8 *query, size_t query_len)
1558 wpa_hexdump(MSG_DEBUG, "P2P: SD Request for WFD", query, query_len);
1560 if (!wpa_s->global->wifi_display) {
1561 wpa_printf(MSG_DEBUG, "P2P: WFD protocol not available");
1562 wpas_sd_add_proto_not_avail(resp, P2P_SERV_WIFI_DISPLAY,
1567 if (query_len < 1) {
1568 wpa_printf(MSG_DEBUG, "P2P: Missing WFD Requested Device "
1573 if (wpabuf_tailroom(resp) < 5)
1578 wpa_printf(MSG_DEBUG, "P2P: WSD for device role 0x%x", role);
1580 /* TODO: role specific handling */
1582 /* Length (to be filled) */
1583 len_pos = wpabuf_put(resp, 2);
1584 wpabuf_put_u8(resp, P2P_SERV_WIFI_DISPLAY);
1585 wpabuf_put_u8(resp, srv_trans_id);
1586 wpabuf_put_u8(resp, P2P_SD_SUCCESS); /* Status Code */
1588 while (pos < query + query_len) {
1589 if (*pos < MAX_WFD_SUBELEMS &&
1590 wpa_s->global->wfd_subelem[*pos] &&
1591 wpabuf_tailroom(resp) >=
1592 wpabuf_len(wpa_s->global->wfd_subelem[*pos])) {
1593 wpa_printf(MSG_DEBUG, "P2P: Add WSD response "
1594 "subelement %u", *pos);
1595 wpabuf_put_buf(resp, wpa_s->global->wfd_subelem[*pos]);
1600 WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos - 2);
1602 #endif /* CONFIG_WIFI_DISPLAY */
1605 void wpas_sd_request(void *ctx, int freq, const u8 *sa, u8 dialog_token,
1606 u16 update_indic, const u8 *tlvs, size_t tlvs_len)
1608 struct wpa_supplicant *wpa_s = ctx;
1609 const u8 *pos = tlvs;
1610 const u8 *end = tlvs + tlvs_len;
1613 struct wpabuf *resp;
1614 u8 srv_proto, srv_trans_id;
1618 wpa_hexdump(MSG_MSGDUMP, "P2P: Service Discovery Request TLVs",
1620 buf_len = 2 * tlvs_len + 1;
1621 buf = os_malloc(buf_len);
1623 wpa_snprintf_hex(buf, buf_len, tlvs, tlvs_len);
1624 wpa_msg_ctrl(wpa_s, MSG_INFO, P2P_EVENT_SERV_DISC_REQ "%d "
1626 freq, MAC2STR(sa), dialog_token, update_indic,
1631 if (wpa_s->p2p_sd_over_ctrl_iface) {
1632 wpas_notify_p2p_sd_request(wpa_s, freq, sa, dialog_token,
1633 update_indic, tlvs, tlvs_len);
1634 return; /* to be processed by an external program */
1637 resp = wpabuf_alloc(10000);
1641 while (pos + 1 < end) {
1642 wpa_printf(MSG_DEBUG, "P2P: Service Request TLV");
1643 slen = WPA_GET_LE16(pos);
1645 if (pos + slen > end || slen < 2) {
1646 wpa_printf(MSG_DEBUG, "P2P: Unexpected Query Data "
1651 tlv_end = pos + slen;
1654 wpa_printf(MSG_DEBUG, "P2P: Service Protocol Type %u",
1656 srv_trans_id = *pos++;
1657 wpa_printf(MSG_DEBUG, "P2P: Service Transaction ID %u",
1660 wpa_hexdump(MSG_MSGDUMP, "P2P: Query Data",
1661 pos, tlv_end - pos);
1664 if (wpa_s->force_long_sd) {
1665 wpa_printf(MSG_DEBUG, "P2P: SD test - force long "
1667 wpas_sd_all_bonjour(wpa_s, resp, srv_trans_id);
1668 wpas_sd_all_upnp(wpa_s, resp, srv_trans_id);
1672 switch (srv_proto) {
1673 case P2P_SERV_ALL_SERVICES:
1674 wpa_printf(MSG_DEBUG, "P2P: Service Discovery Request "
1675 "for all services");
1676 if (dl_list_empty(&wpa_s->global->p2p_srv_upnp) &&
1677 dl_list_empty(&wpa_s->global->p2p_srv_bonjour)) {
1678 wpa_printf(MSG_DEBUG, "P2P: No service "
1679 "discovery protocols available");
1680 wpas_sd_add_proto_not_avail(
1681 resp, P2P_SERV_ALL_SERVICES,
1685 wpas_sd_all_bonjour(wpa_s, resp, srv_trans_id);
1686 wpas_sd_all_upnp(wpa_s, resp, srv_trans_id);
1688 case P2P_SERV_BONJOUR:
1689 wpas_sd_req_bonjour(wpa_s, resp, srv_trans_id,
1690 pos, tlv_end - pos);
1693 wpas_sd_req_upnp(wpa_s, resp, srv_trans_id,
1694 pos, tlv_end - pos);
1696 #ifdef CONFIG_WIFI_DISPLAY
1697 case P2P_SERV_WIFI_DISPLAY:
1698 wpas_sd_req_wfd(wpa_s, resp, srv_trans_id,
1699 pos, tlv_end - pos);
1701 #endif /* CONFIG_WIFI_DISPLAY */
1703 wpa_printf(MSG_DEBUG, "P2P: Unavailable service "
1704 "protocol %u", srv_proto);
1705 wpas_sd_add_proto_not_avail(resp, srv_proto,
1714 wpas_notify_p2p_sd_request(wpa_s, freq, sa, dialog_token,
1715 update_indic, tlvs, tlvs_len);
1717 wpas_p2p_sd_response(wpa_s, freq, sa, dialog_token, resp);
1723 void wpas_sd_response(void *ctx, const u8 *sa, u16 update_indic,
1724 const u8 *tlvs, size_t tlvs_len)
1726 struct wpa_supplicant *wpa_s = ctx;
1727 const u8 *pos = tlvs;
1728 const u8 *end = tlvs + tlvs_len;
1734 wpa_hexdump(MSG_MSGDUMP, "P2P: Service Discovery Response TLVs",
1736 if (tlvs_len > 1500) {
1737 /* TODO: better way for handling this */
1738 wpa_msg_ctrl(wpa_s, MSG_INFO,
1739 P2P_EVENT_SERV_DISC_RESP MACSTR
1740 " %u <long response: %u bytes>",
1741 MAC2STR(sa), update_indic,
1742 (unsigned int) tlvs_len);
1744 buf_len = 2 * tlvs_len + 1;
1745 buf = os_malloc(buf_len);
1747 wpa_snprintf_hex(buf, buf_len, tlvs, tlvs_len);
1748 wpa_msg_ctrl(wpa_s, MSG_INFO,
1749 P2P_EVENT_SERV_DISC_RESP MACSTR " %u %s",
1750 MAC2STR(sa), update_indic, buf);
1756 u8 srv_proto, srv_trans_id, status;
1758 wpa_printf(MSG_DEBUG, "P2P: Service Response TLV");
1759 slen = WPA_GET_LE16(pos);
1761 if (pos + slen > end || slen < 3) {
1762 wpa_printf(MSG_DEBUG, "P2P: Unexpected Response Data "
1766 tlv_end = pos + slen;
1769 wpa_printf(MSG_DEBUG, "P2P: Service Protocol Type %u",
1771 srv_trans_id = *pos++;
1772 wpa_printf(MSG_DEBUG, "P2P: Service Transaction ID %u",
1775 wpa_printf(MSG_DEBUG, "P2P: Status Code ID %u",
1778 wpa_hexdump(MSG_MSGDUMP, "P2P: Response Data",
1779 pos, tlv_end - pos);
1784 wpas_notify_p2p_sd_response(wpa_s, sa, update_indic, tlvs, tlvs_len);
1788 u64 wpas_p2p_sd_request(struct wpa_supplicant *wpa_s, const u8 *dst,
1789 const struct wpabuf *tlvs)
1791 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)
1792 return wpa_drv_p2p_sd_request(wpa_s, dst, tlvs);
1793 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
1795 return (uintptr_t) p2p_sd_request(wpa_s->global->p2p, dst, tlvs);
1799 u64 wpas_p2p_sd_request_upnp(struct wpa_supplicant *wpa_s, const u8 *dst,
1800 u8 version, const char *query)
1802 struct wpabuf *tlvs;
1805 tlvs = wpabuf_alloc(2 + 1 + 1 + 1 + os_strlen(query));
1808 wpabuf_put_le16(tlvs, 1 + 1 + 1 + os_strlen(query));
1809 wpabuf_put_u8(tlvs, P2P_SERV_UPNP); /* Service Protocol Type */
1810 wpabuf_put_u8(tlvs, 1); /* Service Transaction ID */
1811 wpabuf_put_u8(tlvs, version);
1812 wpabuf_put_str(tlvs, query);
1813 ret = wpas_p2p_sd_request(wpa_s, dst, tlvs);
1819 #ifdef CONFIG_WIFI_DISPLAY
1821 static u64 wpas_p2p_sd_request_wfd(struct wpa_supplicant *wpa_s, const u8 *dst,
1822 const struct wpabuf *tlvs)
1824 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)
1826 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
1828 return (uintptr_t) p2p_sd_request_wfd(wpa_s->global->p2p, dst, tlvs);
1832 #define MAX_WFD_SD_SUBELEMS 20
1834 static void wfd_add_sd_req_role(struct wpabuf *tlvs, u8 id, u8 role,
1835 const char *subelems)
1842 len = wpabuf_put(tlvs, 2);
1843 wpabuf_put_u8(tlvs, P2P_SERV_WIFI_DISPLAY); /* Service Protocol Type */
1844 wpabuf_put_u8(tlvs, id); /* Service Transaction ID */
1846 wpabuf_put_u8(tlvs, role);
1851 if (val >= 0 && val < 256) {
1852 wpabuf_put_u8(tlvs, val);
1854 if (count == MAX_WFD_SD_SUBELEMS)
1857 pos = os_strchr(pos + 1, ',');
1863 WPA_PUT_LE16(len, (u8 *) wpabuf_put(tlvs, 0) - len - 2);
1867 u64 wpas_p2p_sd_request_wifi_display(struct wpa_supplicant *wpa_s,
1868 const u8 *dst, const char *role)
1870 struct wpabuf *tlvs;
1872 const char *subelems;
1875 subelems = os_strchr(role, ' ');
1876 if (subelems == NULL)
1880 tlvs = wpabuf_alloc(4 * (2 + 1 + 1 + 1 + MAX_WFD_SD_SUBELEMS));
1884 if (os_strstr(role, "[source]"))
1885 wfd_add_sd_req_role(tlvs, id++, 0x00, subelems);
1886 if (os_strstr(role, "[pri-sink]"))
1887 wfd_add_sd_req_role(tlvs, id++, 0x01, subelems);
1888 if (os_strstr(role, "[sec-sink]"))
1889 wfd_add_sd_req_role(tlvs, id++, 0x02, subelems);
1890 if (os_strstr(role, "[source+sink]"))
1891 wfd_add_sd_req_role(tlvs, id++, 0x03, subelems);
1893 ret = wpas_p2p_sd_request_wfd(wpa_s, dst, tlvs);
1898 #endif /* CONFIG_WIFI_DISPLAY */
1901 int wpas_p2p_sd_cancel_request(struct wpa_supplicant *wpa_s, u64 req)
1903 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)
1904 return wpa_drv_p2p_sd_cancel_request(wpa_s, req);
1905 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
1907 return p2p_sd_cancel_request(wpa_s->global->p2p,
1908 (void *) (uintptr_t) req);
1912 void wpas_p2p_sd_response(struct wpa_supplicant *wpa_s, int freq,
1913 const u8 *dst, u8 dialog_token,
1914 const struct wpabuf *resp_tlvs)
1916 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) {
1917 wpa_drv_p2p_sd_response(wpa_s, freq, dst, dialog_token,
1921 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
1923 p2p_sd_response(wpa_s->global->p2p, freq, dst, dialog_token,
1928 void wpas_p2p_sd_service_update(struct wpa_supplicant *wpa_s, int action)
1930 void wpas_p2p_sd_service_update(struct wpa_supplicant *wpa_s)
1933 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) {
1934 wpa_drv_p2p_service_update(wpa_s);
1937 if (wpa_s->global->p2p)
1939 p2p_sd_service_update(wpa_s->global->p2p, action);
1941 p2p_sd_service_update(wpa_s->global->p2p);
1946 static void wpas_p2p_srv_bonjour_free(struct p2p_srv_bonjour *bsrv)
1948 dl_list_del(&bsrv->list);
1949 wpabuf_free(bsrv->query);
1950 wpabuf_free(bsrv->resp);
1955 static void wpas_p2p_srv_upnp_free(struct p2p_srv_upnp *usrv)
1957 dl_list_del(&usrv->list);
1958 os_free(usrv->service);
1963 void wpas_p2p_service_flush(struct wpa_supplicant *wpa_s)
1965 struct p2p_srv_bonjour *bsrv, *bn;
1966 struct p2p_srv_upnp *usrv, *un;
1968 dl_list_for_each_safe(bsrv, bn, &wpa_s->global->p2p_srv_bonjour,
1969 struct p2p_srv_bonjour, list)
1970 wpas_p2p_srv_bonjour_free(bsrv);
1972 dl_list_for_each_safe(usrv, un, &wpa_s->global->p2p_srv_upnp,
1973 struct p2p_srv_upnp, list)
1974 wpas_p2p_srv_upnp_free(usrv);
1977 wpas_p2p_sd_service_update(wpa_s, SRV_FLUSH);
1979 wpas_p2p_sd_service_update(wpa_s);
1984 int wpas_p2p_service_add_bonjour(struct wpa_supplicant *wpa_s,
1985 struct wpabuf *query, struct wpabuf *resp)
1987 struct p2p_srv_bonjour *bsrv;
1989 bsrv = wpas_p2p_service_get_bonjour(wpa_s, query);
1992 wpabuf_free(bsrv->resp);
1997 bsrv = os_zalloc(sizeof(*bsrv));
2000 bsrv->query = query;
2002 dl_list_add(&wpa_s->global->p2p_srv_bonjour, &bsrv->list);
2005 wpas_p2p_sd_service_update(wpa_s, SRV_ADD);
2007 wpas_p2p_sd_service_update(wpa_s);
2013 int wpas_p2p_service_del_bonjour(struct wpa_supplicant *wpa_s,
2014 const struct wpabuf *query)
2016 struct p2p_srv_bonjour *bsrv;
2018 bsrv = wpas_p2p_service_get_bonjour(wpa_s, query);
2021 wpas_p2p_srv_bonjour_free(bsrv);
2023 wpas_p2p_sd_service_update(wpa_s, SRV_DEL);
2025 wpas_p2p_sd_service_update(wpa_s);
2031 int wpas_p2p_service_add_upnp(struct wpa_supplicant *wpa_s, u8 version,
2032 const char *service)
2034 struct p2p_srv_upnp *usrv;
2036 if (wpas_p2p_service_get_upnp(wpa_s, version, service))
2037 return 0; /* Already listed */
2038 usrv = os_zalloc(sizeof(*usrv));
2041 usrv->version = version;
2042 usrv->service = os_strdup(service);
2043 if (usrv->service == NULL) {
2047 dl_list_add(&wpa_s->global->p2p_srv_upnp, &usrv->list);
2050 wpas_p2p_sd_service_update(wpa_s, SRV_ADD);
2052 wpas_p2p_sd_service_update(wpa_s);
2058 int wpas_p2p_service_del_upnp(struct wpa_supplicant *wpa_s, u8 version,
2059 const char *service)
2061 struct p2p_srv_upnp *usrv;
2063 usrv = wpas_p2p_service_get_upnp(wpa_s, version, service);
2066 wpas_p2p_srv_upnp_free(usrv);
2068 wpas_p2p_sd_service_update(wpa_s, SRV_DEL);
2070 wpas_p2p_sd_service_update(wpa_s);
2076 static void wpas_prov_disc_local_display(struct wpa_supplicant *wpa_s,
2077 const u8 *peer, const char *params,
2078 unsigned int generated_pin)
2080 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_SHOW_PIN MACSTR " %08d%s",
2081 MAC2STR(peer), generated_pin, params);
2085 static void wpas_prov_disc_local_keypad(struct wpa_supplicant *wpa_s,
2086 const u8 *peer, const char *params)
2088 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_ENTER_PIN MACSTR "%s",
2089 MAC2STR(peer), params);
2093 void wpas_prov_disc_req(void *ctx, const u8 *peer, u16 config_methods,
2094 const u8 *dev_addr, const u8 *pri_dev_type,
2095 const char *dev_name, u16 supp_config_methods,
2096 u8 dev_capab, u8 group_capab, const u8 *group_id,
2097 size_t group_id_len)
2099 struct wpa_supplicant *wpa_s = ctx;
2100 char devtype[WPS_DEV_TYPE_BUFSIZE];
2102 u8 empty_dev_type[8];
2103 unsigned int generated_pin = 0;
2104 struct wpa_supplicant *group = NULL;
2107 for (group = wpa_s->global->ifaces; group; group = group->next)
2109 struct wpa_ssid *s = group->current_ssid;
2111 s->mode == WPAS_MODE_P2P_GO &&
2112 group_id_len - ETH_ALEN == s->ssid_len &&
2113 os_memcmp(group_id + ETH_ALEN, s->ssid,
2119 if (pri_dev_type == NULL) {
2120 os_memset(empty_dev_type, 0, sizeof(empty_dev_type));
2121 pri_dev_type = empty_dev_type;
2123 os_snprintf(params, sizeof(params), " p2p_dev_addr=" MACSTR
2124 " pri_dev_type=%s name='%s' config_methods=0x%x "
2125 "dev_capab=0x%x group_capab=0x%x%s%s",
2127 wps_dev_type_bin2str(pri_dev_type, devtype,
2129 dev_name, supp_config_methods, dev_capab, group_capab,
2130 group ? " group=" : "",
2131 group ? group->ifname : "");
2132 params[sizeof(params) - 1] = '\0';
2134 if (config_methods & WPS_CONFIG_DISPLAY) {
2135 generated_pin = wps_generate_pin();
2136 wpas_prov_disc_local_display(wpa_s, peer, params,
2138 } else if (config_methods & WPS_CONFIG_KEYPAD)
2139 wpas_prov_disc_local_keypad(wpa_s, peer, params);
2140 else if (config_methods & WPS_CONFIG_PUSHBUTTON)
2141 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_PBC_REQ MACSTR
2142 "%s", MAC2STR(peer), params);
2144 wpas_notify_p2p_provision_discovery(wpa_s, peer, 1 /* request */,
2145 P2P_PROV_DISC_SUCCESS,
2146 config_methods, generated_pin);
2150 void wpas_prov_disc_resp(void *ctx, const u8 *peer, u16 config_methods)
2152 struct wpa_supplicant *wpa_s = ctx;
2153 unsigned int generated_pin = 0;
2156 if (wpa_s->pending_pd_before_join &&
2157 (os_memcmp(peer, wpa_s->pending_join_dev_addr, ETH_ALEN) == 0 ||
2158 os_memcmp(peer, wpa_s->pending_join_iface_addr, ETH_ALEN) == 0)) {
2159 wpa_s->pending_pd_before_join = 0;
2160 wpa_printf(MSG_DEBUG, "P2P: Starting pending "
2161 "join-existing-group operation");
2162 wpas_p2p_join_start(wpa_s);
2166 if (wpa_s->pending_pd_use == AUTO_PD_JOIN ||
2167 wpa_s->pending_pd_use == AUTO_PD_GO_NEG)
2168 os_snprintf(params, sizeof(params), " peer_go=%d",
2169 wpa_s->pending_pd_use == AUTO_PD_JOIN);
2173 if (config_methods & WPS_CONFIG_DISPLAY)
2174 wpas_prov_disc_local_keypad(wpa_s, peer, params);
2175 else if (config_methods & WPS_CONFIG_KEYPAD) {
2176 generated_pin = wps_generate_pin();
2177 wpas_prov_disc_local_display(wpa_s, peer, params,
2179 } else if (config_methods & WPS_CONFIG_PUSHBUTTON)
2180 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_PBC_RESP MACSTR
2181 "%s", MAC2STR(peer), params);
2183 wpas_notify_p2p_provision_discovery(wpa_s, peer, 0 /* response */,
2184 P2P_PROV_DISC_SUCCESS,
2185 config_methods, generated_pin);
2189 static void wpas_prov_disc_fail(void *ctx, const u8 *peer,
2190 enum p2p_prov_disc_status status)
2192 struct wpa_supplicant *wpa_s = ctx;
2194 if (wpa_s->p2p_fallback_to_go_neg) {
2195 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: PD for p2p_connect-auto "
2196 "failed - fall back to GO Negotiation");
2197 wpas_p2p_fallback_to_go_neg(wpa_s, 0);
2202 /* If provision discovery failed it is safe to cancel the timer here and
2203 * also do not start the join */
2204 if (wpa_s->pending_pd_before_join &&
2205 (os_memcmp(peer, wpa_s->pending_join_dev_addr, ETH_ALEN) == 0 ||
2206 os_memcmp(peer, wpa_s->pending_join_iface_addr, ETH_ALEN) == 0)) {
2207 wpa_s->pending_pd_before_join = 0;
2208 wpa_printf(MSG_DEBUG, "P2P: Do not Start pending "
2209 "join-existing-group operation");
2210 eloop_cancel_timeout(wpas_p2p_pd_before_join_timeout, wpa_s, NULL);
2212 #endif /* ANDROID_P2P */
2213 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_FAILURE
2214 " p2p_dev_addr=" MACSTR " status=%d",
2215 MAC2STR(peer), status);
2217 wpas_notify_p2p_provision_discovery(wpa_s, peer, 0 /* response */,
2222 static u8 wpas_invitation_process(void *ctx, const u8 *sa, const u8 *bssid,
2223 const u8 *go_dev_addr, const u8 *ssid,
2224 size_t ssid_len, int *go, u8 *group_bssid,
2225 int *force_freq, int persistent_group)
2227 struct wpa_supplicant *wpa_s = ctx;
2229 u8 cur_bssid[ETH_ALEN];
2231 struct wpa_supplicant *grp;
2233 if (!persistent_group) {
2234 wpa_printf(MSG_DEBUG, "P2P: Invitation from " MACSTR
2235 " to join an active group", MAC2STR(sa));
2236 if (!is_zero_ether_addr(wpa_s->p2p_auth_invite) &&
2237 (os_memcmp(go_dev_addr, wpa_s->p2p_auth_invite, ETH_ALEN)
2239 os_memcmp(sa, wpa_s->p2p_auth_invite, ETH_ALEN) == 0)) {
2240 wpa_printf(MSG_DEBUG, "P2P: Accept previously "
2241 "authorized invitation");
2245 * Do not accept the invitation automatically; notify user and
2248 return P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE;
2251 grp = wpas_get_p2p_group(wpa_s, ssid, ssid_len, go);
2253 wpa_printf(MSG_DEBUG, "P2P: Accept invitation to already "
2254 "running persistent group");
2256 os_memcpy(group_bssid, grp->own_addr, ETH_ALEN);
2260 if (!wpa_s->conf->persistent_reconnect)
2261 return P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE;
2263 for (s = wpa_s->conf->ssid; s; s = s->next) {
2264 if (s->disabled == 2 &&
2265 os_memcmp(s->bssid, go_dev_addr, ETH_ALEN) == 0 &&
2266 s->ssid_len == ssid_len &&
2267 os_memcmp(ssid, s->ssid, ssid_len) == 0)
2272 wpa_printf(MSG_DEBUG, "P2P: Invitation from " MACSTR
2273 " requested reinvocation of an unknown group",
2275 return P2P_SC_FAIL_UNKNOWN_GROUP;
2278 if (s->mode == WPAS_MODE_P2P_GO && !wpas_p2p_create_iface(wpa_s)) {
2280 if (wpa_s->wpa_state >= WPA_AUTHENTICATING) {
2281 wpa_printf(MSG_DEBUG, "P2P: The only available "
2282 "interface is already in use - reject "
2284 return P2P_SC_FAIL_UNABLE_TO_ACCOMMODATE;
2286 os_memcpy(group_bssid, wpa_s->own_addr, ETH_ALEN);
2287 } else if (s->mode == WPAS_MODE_P2P_GO) {
2289 if (wpas_p2p_add_group_interface(wpa_s, WPA_IF_P2P_GO) < 0)
2291 wpa_printf(MSG_ERROR, "P2P: Failed to allocate a new "
2292 "interface address for the group");
2293 return P2P_SC_FAIL_UNABLE_TO_ACCOMMODATE;
2295 os_memcpy(group_bssid, wpa_s->pending_interface_addr,
2300 if (wpa_s->current_ssid && wpa_drv_get_bssid(wpa_s, cur_bssid) == 0 &&
2301 wpa_s->assoc_freq) {
2302 wpa_printf(MSG_DEBUG, "P2P: Trying to force channel to match "
2303 "the channel we are already using");
2304 *force_freq = wpa_s->assoc_freq;
2307 res = wpa_drv_shared_freq(wpa_s);
2309 wpa_printf(MSG_DEBUG, "P2P: Trying to force channel to match "
2310 "with the channel we are already using on a "
2311 "shared interface");
2315 return P2P_SC_SUCCESS;
2319 static void wpas_invitation_received(void *ctx, const u8 *sa, const u8 *bssid,
2320 const u8 *ssid, size_t ssid_len,
2321 const u8 *go_dev_addr, u8 status,
2324 struct wpa_supplicant *wpa_s = ctx;
2327 for (s = wpa_s->conf->ssid; s; s = s->next) {
2328 if (s->disabled == 2 &&
2329 s->ssid_len == ssid_len &&
2330 os_memcmp(ssid, s->ssid, ssid_len) == 0)
2334 if (status == P2P_SC_SUCCESS) {
2335 wpa_printf(MSG_DEBUG, "P2P: Invitation from peer " MACSTR
2336 " was accepted; op_freq=%d MHz",
2337 MAC2STR(sa), op_freq);
2339 wpas_p2p_group_add_persistent(
2340 wpa_s, s, s->mode == WPAS_MODE_P2P_GO, 0, 0);
2342 wpas_p2p_join(wpa_s, bssid, go_dev_addr,
2343 wpa_s->p2p_wps_method, 0);
2348 if (status != P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE) {
2349 wpa_printf(MSG_DEBUG, "P2P: Invitation from peer " MACSTR
2350 " was rejected (status %u)", MAC2STR(sa), status);
2356 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RECEIVED
2357 "sa=" MACSTR " go_dev_addr=" MACSTR
2358 " bssid=" MACSTR " unknown-network",
2359 MAC2STR(sa), MAC2STR(go_dev_addr),
2362 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RECEIVED
2363 "sa=" MACSTR " go_dev_addr=" MACSTR
2365 MAC2STR(sa), MAC2STR(go_dev_addr));
2370 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RECEIVED "sa=" MACSTR
2371 " persistent=%d", MAC2STR(sa), s->id);
2375 static void wpas_invitation_result(void *ctx, int status, const u8 *bssid)
2377 struct wpa_supplicant *wpa_s = ctx;
2378 struct wpa_ssid *ssid;
2381 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RESULT
2382 "status=%d " MACSTR,
2383 status, MAC2STR(bssid));
2385 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RESULT
2386 "status=%d ", status);
2388 wpas_notify_p2p_invitation_result(wpa_s, status, bssid);
2390 if (wpa_s->pending_invite_ssid_id == -1)
2391 return; /* Invitation to active group */
2393 if (status != P2P_SC_SUCCESS) {
2394 wpas_p2p_remove_pending_group_interface(wpa_s);
2398 ssid = wpa_config_get_network(wpa_s->conf,
2399 wpa_s->pending_invite_ssid_id);
2401 wpa_printf(MSG_ERROR, "P2P: Could not find persistent group "
2402 "data matching with invitation");
2406 wpas_p2p_group_add_persistent(wpa_s, ssid,
2407 ssid->mode == WPAS_MODE_P2P_GO,
2408 wpa_s->p2p_persistent_go_freq,
2409 wpa_s->p2p_go_ht40);
2413 static int wpas_p2p_disallowed_freq(struct wpa_global *global,
2418 if (global->p2p_disallow_freq == NULL)
2421 for (i = 0; i < global->num_p2p_disallow_freq; i++) {
2422 if (freq >= global->p2p_disallow_freq[i].min &&
2423 freq <= global->p2p_disallow_freq[i].max)
2431 static void wpas_p2p_add_chan(struct p2p_reg_class *reg, u8 chan)
2433 reg->channel[reg->channels] = chan;
2438 static int wpas_p2p_default_channels(struct wpa_supplicant *wpa_s,
2439 struct p2p_channels *chan)
2443 wpa_printf(MSG_DEBUG, "P2P: Enable operating classes for 2.4 GHz "
2446 /* Operating class 81 - 2.4 GHz band channels 1..13 */
2447 chan->reg_class[cla].reg_class = 81;
2448 chan->reg_class[cla].channels = 0;
2449 for (i = 0; i < 11; i++) {
2450 if (!wpas_p2p_disallowed_freq(wpa_s->global, 2412 + i * 5))
2451 wpas_p2p_add_chan(&chan->reg_class[cla], i + 1);
2453 if (chan->reg_class[cla].channels)
2456 wpa_printf(MSG_DEBUG, "P2P: Enable operating classes for lower 5 GHz "
2459 /* Operating class 115 - 5 GHz, channels 36-48 */
2460 chan->reg_class[cla].reg_class = 115;
2461 chan->reg_class[cla].channels = 0;
2462 if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 36 * 5))
2463 wpas_p2p_add_chan(&chan->reg_class[cla], 36);
2464 if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 40 * 5))
2465 wpas_p2p_add_chan(&chan->reg_class[cla], 40);
2466 if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 44 * 5))
2467 wpas_p2p_add_chan(&chan->reg_class[cla], 44);
2468 if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 48 * 5))
2469 wpas_p2p_add_chan(&chan->reg_class[cla], 48);
2470 if (chan->reg_class[cla].channels)
2473 wpa_printf(MSG_DEBUG, "P2P: Enable operating classes for higher 5 GHz "
2476 /* Operating class 124 - 5 GHz, channels 149,153,157,161 */
2477 chan->reg_class[cla].reg_class = 124;
2478 chan->reg_class[cla].channels = 0;
2479 if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 149 * 5))
2480 wpas_p2p_add_chan(&chan->reg_class[cla], 149);
2481 if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 153 * 5))
2482 wpas_p2p_add_chan(&chan->reg_class[cla], 153);
2483 if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 156 * 5))
2484 wpas_p2p_add_chan(&chan->reg_class[cla], 157);
2485 if (!wpas_p2p_disallowed_freq(wpa_s->global, 5000 + 161 * 5))
2486 wpas_p2p_add_chan(&chan->reg_class[cla], 161);
2487 if (chan->reg_class[cla].channels)
2490 chan->reg_classes = cla;
2495 static struct hostapd_hw_modes * get_mode(struct hostapd_hw_modes *modes,
2497 enum hostapd_hw_mode mode)
2501 for (i = 0; i < num_modes; i++) {
2502 if (modes[i].mode == mode)
2510 static int has_channel(struct wpa_global *global,
2511 struct hostapd_hw_modes *mode, u8 chan, int *flags)
2516 freq = (mode->mode == HOSTAPD_MODE_IEEE80211A ? 5000 : 2407) +
2518 if (wpas_p2p_disallowed_freq(global, freq))
2521 for (i = 0; i < mode->num_channels; i++) {
2522 if (mode->channels[i].chan == chan) {
2524 *flags = mode->channels[i].flag;
2525 return !(mode->channels[i].flag &
2526 (HOSTAPD_CHAN_DISABLED |
2527 HOSTAPD_CHAN_PASSIVE_SCAN |
2528 HOSTAPD_CHAN_NO_IBSS |
2529 HOSTAPD_CHAN_RADAR));
2537 struct p2p_oper_class_map {
2538 enum hostapd_hw_mode mode;
2543 enum { BW20, BW40PLUS, BW40MINUS } bw;
2546 static struct p2p_oper_class_map op_class[] = {
2547 { HOSTAPD_MODE_IEEE80211G, 81, 1, 13, 1, BW20 },
2548 { HOSTAPD_MODE_IEEE80211G, 82, 14, 14, 1, BW20 },
2549 #if 0 /* Do not enable HT40 on 2 GHz for now */
2550 { HOSTAPD_MODE_IEEE80211G, 83, 1, 9, 1, BW40PLUS },
2551 { HOSTAPD_MODE_IEEE80211G, 84, 5, 13, 1, BW40MINUS },
2553 { HOSTAPD_MODE_IEEE80211A, 115, 36, 48, 4, BW20 },
2554 { HOSTAPD_MODE_IEEE80211A, 124, 149, 161, 4, BW20 },
2555 { HOSTAPD_MODE_IEEE80211A, 116, 36, 44, 8, BW40PLUS },
2556 { HOSTAPD_MODE_IEEE80211A, 117, 40, 48, 8, BW40MINUS },
2557 { HOSTAPD_MODE_IEEE80211A, 126, 149, 157, 8, BW40PLUS },
2558 { HOSTAPD_MODE_IEEE80211A, 127, 153, 161, 8, BW40MINUS },
2559 { -1, 0, 0, 0, 0, BW20 }
2563 static int wpas_p2p_verify_channel(struct wpa_supplicant *wpa_s,
2564 struct hostapd_hw_modes *mode,
2569 if (!has_channel(wpa_s->global, mode, channel, &flag))
2571 if (bw == BW40MINUS &&
2572 (!(flag & HOSTAPD_CHAN_HT40MINUS) ||
2573 !has_channel(wpa_s->global, mode, channel - 4, NULL)))
2575 if (bw == BW40PLUS &&
2576 (!(flag & HOSTAPD_CHAN_HT40PLUS) ||
2577 !has_channel(wpa_s->global, mode, channel + 4, NULL)))
2583 static int wpas_p2p_setup_channels(struct wpa_supplicant *wpa_s,
2584 struct p2p_channels *chan)
2586 struct hostapd_hw_modes *mode;
2589 if (wpa_s->hw.modes == NULL) {
2590 wpa_printf(MSG_DEBUG, "P2P: Driver did not support fetching "
2591 "of all supported channels; assume dualband "
2593 return wpas_p2p_default_channels(wpa_s, chan);
2598 for (op = 0; op_class[op].op_class; op++) {
2599 struct p2p_oper_class_map *o = &op_class[op];
2601 struct p2p_reg_class *reg = NULL;
2603 mode = get_mode(wpa_s->hw.modes, wpa_s->hw.num_modes, o->mode);
2606 for (ch = o->min_chan; ch <= o->max_chan; ch += o->inc) {
2607 if (wpas_p2p_verify_channel(wpa_s, mode, ch, o->bw) < 1)
2610 wpa_printf(MSG_DEBUG, "P2P: Add operating "
2611 "class %u", o->op_class);
2612 reg = &chan->reg_class[cla];
2614 reg->reg_class = o->op_class;
2616 reg->channel[reg->channels] = ch;
2620 wpa_hexdump(MSG_DEBUG, "P2P: Channels",
2621 reg->channel, reg->channels);
2625 chan->reg_classes = cla;
2631 int wpas_p2p_get_ht40_mode(struct wpa_supplicant *wpa_s,
2632 struct hostapd_hw_modes *mode, u8 channel)
2636 for (op = 0; op_class[op].op_class; op++) {
2637 struct p2p_oper_class_map *o = &op_class[op];
2640 for (ch = o->min_chan; ch <= o->max_chan; ch += o->inc) {
2641 if (o->mode != HOSTAPD_MODE_IEEE80211A ||
2642 o->bw == BW20 || ch != channel)
2644 ret = wpas_p2p_verify_channel(wpa_s, mode, ch, o->bw);
2648 return (o->bw == BW40MINUS) ? -1 : 1;
2657 static int wpas_get_noa(void *ctx, const u8 *interface_addr, u8 *buf,
2660 struct wpa_supplicant *wpa_s = ctx;
2662 for (wpa_s = wpa_s->global->ifaces; wpa_s; wpa_s = wpa_s->next) {
2663 if (os_memcmp(wpa_s->own_addr, interface_addr, ETH_ALEN) == 0)
2669 return wpa_drv_get_noa(wpa_s, buf, buf_len);
2673 static int wpas_go_connected(void *ctx, const u8 *dev_addr)
2675 struct wpa_supplicant *wpa_s = ctx;
2677 for (wpa_s = wpa_s->global->ifaces; wpa_s; wpa_s = wpa_s->next) {
2678 struct wpa_ssid *ssid = wpa_s->current_ssid;
2681 if (ssid->mode != WPAS_MODE_INFRA)
2683 if (wpa_s->wpa_state != WPA_COMPLETED &&
2684 wpa_s->wpa_state != WPA_GROUP_HANDSHAKE)
2686 if (os_memcmp(wpa_s->go_dev_addr, dev_addr, ETH_ALEN) == 0)
2695 * wpas_p2p_init - Initialize P2P module for %wpa_supplicant
2696 * @global: Pointer to global data from wpa_supplicant_init()
2697 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
2698 * Returns: 0 on success, -1 on failure
2700 int wpas_p2p_init(struct wpa_global *global, struct wpa_supplicant *wpa_s)
2702 struct p2p_config p2p;
2706 if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_CAPABLE))
2712 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) {
2713 struct p2p_params params;
2715 wpa_printf(MSG_DEBUG, "P2P: Use driver-based P2P management");
2716 os_memset(¶ms, 0, sizeof(params));
2717 params.dev_name = wpa_s->conf->device_name;
2718 os_memcpy(params.pri_dev_type, wpa_s->conf->device_type,
2720 params.num_sec_dev_types = wpa_s->conf->num_sec_device_types;
2721 os_memcpy(params.sec_dev_type,
2722 wpa_s->conf->sec_device_type,
2723 params.num_sec_dev_types * WPS_DEV_TYPE_LEN);
2725 if (wpa_drv_p2p_set_params(wpa_s, ¶ms) < 0)
2731 os_memset(&p2p, 0, sizeof(p2p));
2732 p2p.msg_ctx = wpa_s;
2734 p2p.p2p_scan = wpas_p2p_scan;
2735 p2p.send_action = wpas_send_action;
2736 p2p.send_action_done = wpas_send_action_done;
2737 p2p.go_neg_completed = wpas_go_neg_completed;
2738 p2p.go_neg_req_rx = wpas_go_neg_req_rx;
2739 p2p.dev_found = wpas_dev_found;
2740 p2p.dev_lost = wpas_dev_lost;
2741 p2p.start_listen = wpas_start_listen;
2742 p2p.stop_listen = wpas_stop_listen;
2743 p2p.send_probe_resp = wpas_send_probe_resp;
2744 p2p.sd_request = wpas_sd_request;
2745 p2p.sd_response = wpas_sd_response;
2746 p2p.prov_disc_req = wpas_prov_disc_req;
2747 p2p.prov_disc_resp = wpas_prov_disc_resp;
2748 p2p.prov_disc_fail = wpas_prov_disc_fail;
2749 p2p.invitation_process = wpas_invitation_process;
2750 p2p.invitation_received = wpas_invitation_received;
2751 p2p.invitation_result = wpas_invitation_result;
2752 p2p.get_noa = wpas_get_noa;
2753 p2p.go_connected = wpas_go_connected;
2755 os_memcpy(wpa_s->global->p2p_dev_addr, wpa_s->own_addr, ETH_ALEN);
2756 os_memcpy(p2p.dev_addr, wpa_s->global->p2p_dev_addr, ETH_ALEN);
2757 p2p.dev_name = wpa_s->conf->device_name;
2758 p2p.manufacturer = wpa_s->conf->manufacturer;
2759 p2p.model_name = wpa_s->conf->model_name;
2760 p2p.model_number = wpa_s->conf->model_number;
2761 p2p.serial_number = wpa_s->conf->serial_number;
2763 os_memcpy(p2p.uuid, wpa_s->wps->uuid, 16);
2764 p2p.config_methods = wpa_s->wps->config_methods;
2767 if (wpa_s->conf->p2p_listen_reg_class &&
2768 wpa_s->conf->p2p_listen_channel) {
2769 p2p.reg_class = wpa_s->conf->p2p_listen_reg_class;
2770 p2p.channel = wpa_s->conf->p2p_listen_channel;
2774 * Pick one of the social channels randomly as the listen
2777 os_get_random((u8 *) &r, sizeof(r));
2778 p2p.channel = 1 + (r % 3) * 5;
2780 wpa_printf(MSG_DEBUG, "P2P: Own listen channel: %d", p2p.channel);
2782 if (wpa_s->conf->p2p_oper_reg_class &&
2783 wpa_s->conf->p2p_oper_channel) {
2784 p2p.op_reg_class = wpa_s->conf->p2p_oper_reg_class;
2785 p2p.op_channel = wpa_s->conf->p2p_oper_channel;
2786 p2p.cfg_op_channel = 1;
2787 wpa_printf(MSG_DEBUG, "P2P: Configured operating channel: "
2788 "%d:%d", p2p.op_reg_class, p2p.op_channel);
2791 p2p.op_reg_class = 81;
2793 * Use random operation channel from (1, 6, 11) if no other
2794 * preference is indicated.
2796 os_get_random((u8 *) &r, sizeof(r));
2797 p2p.op_channel = 1 + (r % 3) * 5;
2798 p2p.cfg_op_channel = 0;
2799 wpa_printf(MSG_DEBUG, "P2P: Random operating channel: "
2800 "%d:%d", p2p.op_reg_class, p2p.op_channel);
2802 if (wpa_s->conf->country[0] && wpa_s->conf->country[1]) {
2803 os_memcpy(p2p.country, wpa_s->conf->country, 2);
2804 p2p.country[2] = 0x04;
2806 os_memcpy(p2p.country, "XX\x04", 3);
2808 if (wpas_p2p_setup_channels(wpa_s, &p2p.channels)) {
2809 wpa_printf(MSG_ERROR, "P2P: Failed to configure supported "
2814 os_memcpy(p2p.pri_dev_type, wpa_s->conf->device_type,
2817 p2p.num_sec_dev_types = wpa_s->conf->num_sec_device_types;
2818 os_memcpy(p2p.sec_dev_type, wpa_s->conf->sec_device_type,
2819 p2p.num_sec_dev_types * WPS_DEV_TYPE_LEN);
2821 p2p.concurrent_operations = !!(wpa_s->drv_flags &
2822 WPA_DRIVER_FLAGS_P2P_CONCURRENT);
2824 p2p.max_peers = 100;
2826 if (wpa_s->conf->p2p_ssid_postfix) {
2827 p2p.ssid_postfix_len =
2828 os_strlen(wpa_s->conf->p2p_ssid_postfix);
2829 if (p2p.ssid_postfix_len > sizeof(p2p.ssid_postfix))
2830 p2p.ssid_postfix_len = sizeof(p2p.ssid_postfix);
2831 os_memcpy(p2p.ssid_postfix, wpa_s->conf->p2p_ssid_postfix,
2832 p2p.ssid_postfix_len);
2835 p2p.p2p_intra_bss = wpa_s->conf->p2p_intra_bss;
2838 if(wpa_s->drv_flags & WPA_DRIVER_FLAGS_MULTI_CHANNEL_CONCURRENT)
2839 p2p.p2p_concurrency = P2P_MULTI_CHANNEL_CONCURRENT;
2840 else if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_CONCURRENT)
2841 p2p.p2p_concurrency = P2P_SINGLE_CHANNEL_CONCURRENT;
2844 global->p2p = p2p_init(&p2p);
2845 if (global->p2p == NULL)
2847 global->p2p_init_wpa_s = wpa_s;
2849 for (i = 0; i < MAX_WPS_VENDOR_EXT; i++) {
2850 if (wpa_s->conf->wps_vendor_ext[i] == NULL)
2852 p2p_add_wps_vendor_extension(
2853 global->p2p, wpa_s->conf->wps_vendor_ext[i]);
2861 * wpas_p2p_deinit - Deinitialize per-interface P2P data
2862 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
2864 * This function deinitialize per-interface P2P data.
2866 void wpas_p2p_deinit(struct wpa_supplicant *wpa_s)
2868 if (wpa_s->driver && wpa_s->drv_priv)
2869 wpa_drv_probe_req_report(wpa_s, 0);
2871 if (wpa_s->go_params) {
2872 /* Clear any stored provisioning info */
2873 p2p_clear_provisioning_info(
2875 wpa_s->go_params->peer_device_addr);
2878 os_free(wpa_s->go_params);
2879 wpa_s->go_params = NULL;
2880 eloop_cancel_timeout(wpas_p2p_group_formation_timeout, wpa_s, NULL);
2881 eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL);
2882 eloop_cancel_timeout(wpas_p2p_pd_before_join_timeout, wpa_s, NULL);
2883 wpa_s->p2p_long_listen = 0;
2884 eloop_cancel_timeout(wpas_p2p_long_listen_timeout, wpa_s, NULL);
2885 eloop_cancel_timeout(wpas_p2p_group_idle_timeout, wpa_s, NULL);
2886 wpas_p2p_remove_pending_group_interface(wpa_s);
2888 /* TODO: remove group interface from the driver if this wpa_s instance
2889 * is on top of a P2P group interface */
2894 * wpas_p2p_deinit_global - Deinitialize global P2P module
2895 * @global: Pointer to global data from wpa_supplicant_init()
2897 * This function deinitializes the global (per device) P2P module.
2899 void wpas_p2p_deinit_global(struct wpa_global *global)
2901 struct wpa_supplicant *wpa_s, *tmp;
2903 wpa_s = global->ifaces;
2905 wpas_p2p_service_flush(wpa_s);
2907 if (global->p2p == NULL)
2910 /* Remove remaining P2P group interfaces */
2911 while (wpa_s && wpa_s->p2p_group_interface != NOT_P2P_GROUP_INTERFACE)
2912 wpa_s = wpa_s->next;
2914 tmp = global->ifaces;
2917 tmp->p2p_group_interface == NOT_P2P_GROUP_INTERFACE)) {
2922 /* Disconnect from the P2P group and deinit the interface */
2923 wpas_p2p_disconnect(tmp);
2927 * Deinit GO data on any possibly remaining interface (if main
2928 * interface is used as GO).
2930 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
2931 if (wpa_s->ap_iface)
2932 wpas_p2p_group_deinit(wpa_s);
2935 p2p_deinit(global->p2p);
2937 global->p2p_init_wpa_s = NULL;
2941 static int wpas_p2p_create_iface(struct wpa_supplicant *wpa_s)
2943 if (wpa_s->drv_flags &
2944 (WPA_DRIVER_FLAGS_P2P_DEDICATED_INTERFACE |
2945 WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P))
2946 return 1; /* P2P group requires a new interface in every case
2948 if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_CONCURRENT))
2949 return 0; /* driver does not support concurrent operations */
2950 if (wpa_s->global->ifaces->next)
2951 return 1; /* more that one interface already in use */
2952 if (wpa_s->wpa_state >= WPA_AUTHENTICATING)
2953 return 1; /* this interface is already in use */
2958 static int wpas_p2p_start_go_neg(struct wpa_supplicant *wpa_s,
2959 const u8 *peer_addr,
2960 enum p2p_wps_method wps_method,
2961 int go_intent, const u8 *own_interface_addr,
2962 unsigned int force_freq, int persistent_group,
2963 struct wpa_ssid *ssid)
2965 if (persistent_group && wpa_s->conf->persistent_reconnect)
2966 persistent_group = 2;
2968 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) {
2969 return wpa_drv_p2p_connect(wpa_s, peer_addr, wps_method,
2970 go_intent, own_interface_addr,
2971 force_freq, persistent_group);
2975 * Increase GO config timeout if HT40 is used since it takes some time
2976 * to scan channels for coex purposes before the BSS can be started.
2978 p2p_set_config_timeout(wpa_s->global->p2p,
2979 wpa_s->p2p_go_ht40 ? 255 : 100, 20);
2981 return p2p_connect(wpa_s->global->p2p, peer_addr, wps_method,
2982 go_intent, own_interface_addr, force_freq,
2983 persistent_group, ssid ? ssid->ssid : NULL,
2984 ssid ? ssid->ssid_len : 0,
2985 wpa_s->p2p_pd_before_go_neg);
2989 static int wpas_p2p_auth_go_neg(struct wpa_supplicant *wpa_s,
2990 const u8 *peer_addr,
2991 enum p2p_wps_method wps_method,
2992 int go_intent, const u8 *own_interface_addr,
2993 unsigned int force_freq, int persistent_group,
2994 struct wpa_ssid *ssid)
2996 if (persistent_group && wpa_s->conf->persistent_reconnect)
2997 persistent_group = 2;
2999 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)
3002 return p2p_authorize(wpa_s->global->p2p, peer_addr, wps_method,
3003 go_intent, own_interface_addr, force_freq,
3004 persistent_group, ssid ? ssid->ssid : NULL,
3005 ssid ? ssid->ssid_len : 0);
3009 static void wpas_p2p_check_join_scan_limit(struct wpa_supplicant *wpa_s)
3011 wpa_s->p2p_join_scan_count++;
3012 wpa_printf(MSG_DEBUG, "P2P: Join scan attempt %d",
3013 wpa_s->p2p_join_scan_count);
3014 if (wpa_s->p2p_join_scan_count > P2P_MAX_JOIN_SCAN_ATTEMPTS) {
3015 wpa_printf(MSG_DEBUG, "P2P: Failed to find GO " MACSTR
3016 " for join operationg - stop join attempt",
3017 MAC2STR(wpa_s->pending_join_iface_addr));
3018 eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL);
3019 if (wpa_s->p2p_auto_pd) {
3020 wpa_s->p2p_auto_pd = 0;
3021 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_FAILURE
3022 " p2p_dev_addr=" MACSTR " status=N/A",
3023 MAC2STR(wpa_s->pending_join_dev_addr));
3026 wpa_msg(wpa_s->parent, MSG_INFO,
3027 P2P_EVENT_GROUP_FORMATION_FAILURE);
3032 static void wpas_p2p_pd_before_join_timeout(void *eloop_ctx, void *timeout_ctx)
3034 struct wpa_supplicant *wpa_s = eloop_ctx;
3035 if (!wpa_s->pending_pd_before_join)
3038 * Provision Discovery Response may have been lost - try to connect
3039 * anyway since we do not need any information from this PD.
3041 wpa_printf(MSG_DEBUG, "P2P: PD timeout for join-existing-group - "
3042 "try to connect anyway");
3043 wpas_p2p_join_start(wpa_s);
3047 static int wpas_check_freq_conflict(struct wpa_supplicant *wpa_s, int freq)
3049 struct wpa_supplicant *iface;
3053 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_MULTI_CHANNEL_CONCURRENT)
3056 for (iface = wpa_s->global->ifaces; iface; iface = iface->next) {
3057 if (!wpas_p2p_create_iface(wpa_s) && iface == wpa_s)
3059 if (iface->current_ssid == NULL || iface->assoc_freq == 0)
3061 if (iface->current_ssid->mode == WPAS_MODE_AP ||
3062 iface->current_ssid->mode == WPAS_MODE_P2P_GO)
3063 shared_freq = iface->current_ssid->frequency;
3064 else if (wpa_drv_get_bssid(iface, bssid) == 0)
3065 shared_freq = iface->assoc_freq;
3069 if (shared_freq && freq != shared_freq) {
3070 wpa_printf(MSG_DEBUG, "P2P: Frequency conflict - %s "
3071 "connected on %d MHz - new connection on "
3072 "%d MHz", iface->ifname, shared_freq, freq);
3077 shared_freq = wpa_drv_shared_freq(wpa_s);
3078 if (shared_freq > 0 && shared_freq != freq) {
3079 wpa_printf(MSG_DEBUG, "P2P: Frequency conflict - shared "
3080 "virtual interface connected on %d MHz - new "
3081 "connection on %d MHz", shared_freq, freq);
3089 static int wpas_p2p_peer_go(struct wpa_supplicant *wpa_s,
3090 const u8 *peer_dev_addr)
3092 struct wpa_bss *bss;
3095 bss = wpa_bss_get_p2p_dev_addr(wpa_s, peer_dev_addr);
3098 if (bss->last_update_idx < wpa_s->bss_update_idx) {
3099 wpa_printf(MSG_DEBUG, "P2P: Peer BSS entry not updated in the "
3104 updated = os_time_before(&wpa_s->p2p_auto_started, &bss->last_update);
3105 wpa_printf(MSG_DEBUG, "P2P: Current BSS entry for peer updated at "
3106 "%ld.%06ld (%supdated in last scan)",
3107 bss->last_update.sec, bss->last_update.usec,
3108 updated ? "": "not ");
3114 static void wpas_p2p_scan_res_join(struct wpa_supplicant *wpa_s,
3115 struct wpa_scan_results *scan_res)
3117 struct wpa_bss *bss;
3119 u8 iface_addr[ETH_ALEN];
3121 eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL);
3123 if (wpa_s->global->p2p_disabled)
3126 wpa_printf(MSG_DEBUG, "P2P: Scan results received (%d BSS) for %sjoin",
3127 scan_res ? (int) scan_res->num : -1,
3128 wpa_s->p2p_auto_join ? "auto_" : "");
3131 wpas_p2p_scan_res_handler(wpa_s, scan_res);
3133 if (wpa_s->p2p_auto_pd) {
3134 int join = wpas_p2p_peer_go(wpa_s,
3135 wpa_s->pending_join_dev_addr);
3137 wpa_s->auto_pd_scan_retry < P2P_AUTO_PD_SCAN_ATTEMPTS) {
3138 wpa_s->auto_pd_scan_retry++;
3139 bss = wpa_bss_get_bssid(wpa_s,
3140 wpa_s->pending_join_dev_addr);
3143 wpa_printf(MSG_DEBUG, "P2P: Scan retry %d for "
3144 "the peer " MACSTR " at %d MHz",
3145 wpa_s->auto_pd_scan_retry,
3147 pending_join_dev_addr),
3149 wpas_p2p_join_scan_req(wpa_s, freq);
3157 wpa_s->p2p_auto_pd = 0;
3158 wpa_s->pending_pd_use = join ? AUTO_PD_JOIN : AUTO_PD_GO_NEG;
3159 wpa_printf(MSG_DEBUG, "P2P: Auto PD with " MACSTR " join=%d",
3160 MAC2STR(wpa_s->pending_join_dev_addr), join);
3161 if (p2p_prov_disc_req(wpa_s->global->p2p,
3162 wpa_s->pending_join_dev_addr,
3163 wpa_s->pending_pd_config_methods, join,
3165 wpa_s->p2p_auto_pd = 0;
3166 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_FAILURE
3167 " p2p_dev_addr=" MACSTR " status=N/A",
3168 MAC2STR(wpa_s->pending_join_dev_addr));
3173 if (wpa_s->p2p_auto_join) {
3174 int join = wpas_p2p_peer_go(wpa_s,
3175 wpa_s->pending_join_dev_addr);
3177 wpa_printf(MSG_DEBUG, "P2P: Peer was not found to be "
3178 "running a GO -> use GO Negotiation");
3179 wpas_p2p_connect(wpa_s, wpa_s->pending_join_dev_addr,
3180 wpa_s->p2p_pin, wpa_s->p2p_wps_method,
3181 wpa_s->p2p_persistent_group, 0, 0, 0,
3182 wpa_s->p2p_go_intent,
3183 wpa_s->p2p_connect_freq,
3184 wpa_s->p2p_persistent_id,
3185 wpa_s->p2p_pd_before_go_neg,
3186 wpa_s->p2p_go_ht40);
3190 wpa_printf(MSG_DEBUG, "P2P: Peer was found running GO%s -> "
3191 "try to join the group", join ? "" :
3194 wpa_s->p2p_fallback_to_go_neg = 1;
3197 freq = p2p_get_oper_freq(wpa_s->global->p2p,
3198 wpa_s->pending_join_iface_addr);
3200 p2p_get_interface_addr(wpa_s->global->p2p,
3201 wpa_s->pending_join_dev_addr,
3203 os_memcmp(iface_addr, wpa_s->pending_join_dev_addr, ETH_ALEN) != 0)
3205 wpa_printf(MSG_DEBUG, "P2P: Overwrite pending interface "
3206 "address for join from " MACSTR " to " MACSTR
3207 " based on newly discovered P2P peer entry",
3208 MAC2STR(wpa_s->pending_join_iface_addr),
3209 MAC2STR(iface_addr));
3210 os_memcpy(wpa_s->pending_join_iface_addr, iface_addr,
3213 freq = p2p_get_oper_freq(wpa_s->global->p2p,
3214 wpa_s->pending_join_iface_addr);
3217 wpa_printf(MSG_DEBUG, "P2P: Target GO operating frequency "
3218 "from P2P peer table: %d MHz", freq);
3220 bss = wpa_bss_get_bssid(wpa_s, wpa_s->pending_join_iface_addr);
3223 wpa_printf(MSG_DEBUG, "P2P: Target GO operating frequency "
3224 "from BSS table: %d MHz", freq);
3229 if (wpas_check_freq_conflict(wpa_s, freq) > 0) {
3230 wpa_msg(wpa_s->parent, MSG_INFO,
3231 P2P_EVENT_GROUP_FORMATION_FAILURE
3232 "reason=FREQ_CONFLICT");
3236 wpa_printf(MSG_DEBUG, "P2P: Send Provision Discovery Request "
3237 "prior to joining an existing group (GO " MACSTR
3239 MAC2STR(wpa_s->pending_join_dev_addr), freq);
3240 wpa_s->pending_pd_before_join = 1;
3242 switch (wpa_s->pending_join_wps_method) {
3243 case WPS_PIN_DISPLAY:
3244 method = WPS_CONFIG_KEYPAD;
3246 case WPS_PIN_KEYPAD:
3247 method = WPS_CONFIG_DISPLAY;
3250 method = WPS_CONFIG_PUSHBUTTON;
3257 if ((p2p_get_provisioning_info(wpa_s->global->p2p,
3258 wpa_s->pending_join_dev_addr) ==
3261 * We have already performed provision discovery for
3262 * joining the group. Proceed directly to join
3263 * operation without duplicated provision discovery. */
3264 wpa_printf(MSG_DEBUG, "P2P: Provision discovery "
3265 "with " MACSTR " already done - proceed to "
3267 MAC2STR(wpa_s->pending_join_dev_addr));
3268 wpa_s->pending_pd_before_join = 0;
3272 if (p2p_prov_disc_req(wpa_s->global->p2p,
3273 wpa_s->pending_join_dev_addr, method, 1,
3275 wpa_printf(MSG_DEBUG, "P2P: Failed to send Provision "
3276 "Discovery Request before joining an "
3278 wpa_s->pending_pd_before_join = 0;
3283 * Actual join operation will be started from the Action frame
3284 * TX status callback (if no ACK is received) or when the
3285 * Provision Discovery Response is received. Use a short
3286 * timeout as a backup mechanism should the Provision Discovery
3287 * Response be lost for any reason.
3289 eloop_cancel_timeout(wpas_p2p_pd_before_join_timeout, wpa_s,
3291 eloop_register_timeout(2, 0, wpas_p2p_pd_before_join_timeout,
3296 wpa_printf(MSG_DEBUG, "P2P: Failed to find BSS/GO - try again later");
3297 eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL);
3298 eloop_register_timeout(1, 0, wpas_p2p_join_scan, wpa_s, NULL);
3299 wpas_p2p_check_join_scan_limit(wpa_s);
3303 /* Start join operation immediately */
3304 wpas_p2p_join_start(wpa_s);
3308 static void wpas_p2p_join_scan_req(struct wpa_supplicant *wpa_s, int freq)
3311 struct wpa_driver_scan_params params;
3312 struct wpabuf *wps_ie, *ies;
3314 int freqs[2] = { 0, 0 };
3318 /* If freq is not provided, check the operating freq of the GO and do a
3319 * a directed scan to save time
3322 freq = (oper_freq = p2p_get_oper_freq(wpa_s->global->p2p,
3323 wpa_s->pending_join_iface_addr) == -1) ? 0 : oper_freq;
3326 os_memset(¶ms, 0, sizeof(params));
3328 /* P2P Wildcard SSID */
3329 params.num_ssids = 1;
3330 params.ssids[0].ssid = (u8 *) P2P_WILDCARD_SSID;
3331 params.ssids[0].ssid_len = P2P_WILDCARD_SSID_LEN;
3333 wpa_s->wps->dev.p2p = 1;
3334 wps_ie = wps_build_probe_req_ie(DEV_PW_DEFAULT, &wpa_s->wps->dev,
3335 wpa_s->wps->uuid, WPS_REQ_ENROLLEE, 0,
3337 if (wps_ie == NULL) {
3338 wpas_p2p_scan_res_join(wpa_s, NULL);
3342 ielen = p2p_scan_ie_buf_len(wpa_s->global->p2p);
3343 ies = wpabuf_alloc(wpabuf_len(wps_ie) + ielen);
3345 wpabuf_free(wps_ie);
3346 wpas_p2p_scan_res_join(wpa_s, NULL);
3349 wpabuf_put_buf(ies, wps_ie);
3350 wpabuf_free(wps_ie);
3352 p2p_scan_ie(wpa_s->global->p2p, ies, NULL);
3354 params.p2p_probe = 1;
3355 params.extra_ies = wpabuf_head(ies);
3356 params.extra_ies_len = wpabuf_len(ies);
3359 params.freqs = freqs;
3363 * Run a scan to update BSS table and start Provision Discovery once
3364 * the new scan results become available.
3366 ret = wpa_drv_scan(wpa_s, ¶ms);
3368 wpa_s->scan_res_handler = wpas_p2p_scan_res_join;
3373 wpa_printf(MSG_DEBUG, "P2P: Failed to start scan for join - "
3375 eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL);
3376 eloop_register_timeout(1, 0, wpas_p2p_join_scan, wpa_s, NULL);
3377 wpas_p2p_check_join_scan_limit(wpa_s);
3382 static void wpas_p2p_join_scan(void *eloop_ctx, void *timeout_ctx)
3384 struct wpa_supplicant *wpa_s = eloop_ctx;
3385 wpas_p2p_join_scan_req(wpa_s, 0);
3389 static int wpas_p2p_join(struct wpa_supplicant *wpa_s, const u8 *iface_addr,
3390 const u8 *dev_addr, enum p2p_wps_method wps_method,
3393 wpa_printf(MSG_DEBUG, "P2P: Request to join existing group (iface "
3394 MACSTR " dev " MACSTR ")%s",
3395 MAC2STR(iface_addr), MAC2STR(dev_addr),
3396 auto_join ? " (auto_join)" : "");
3398 wpa_s->p2p_auto_pd = 0;
3399 wpa_s->p2p_auto_join = !!auto_join;
3400 os_memcpy(wpa_s->pending_join_iface_addr, iface_addr, ETH_ALEN);
3401 os_memcpy(wpa_s->pending_join_dev_addr, dev_addr, ETH_ALEN);
3402 wpa_s->pending_join_wps_method = wps_method;
3404 /* Make sure we are not running find during connection establishment */
3405 wpas_p2p_stop_find(wpa_s);
3407 wpa_s->p2p_join_scan_count = 0;
3408 wpas_p2p_join_scan(wpa_s, NULL);
3413 static int wpas_p2p_join_start(struct wpa_supplicant *wpa_s)
3415 struct wpa_supplicant *group;
3416 struct p2p_go_neg_results res;
3417 struct wpa_bss *bss;
3419 eloop_cancel_timeout(wpas_p2p_pd_before_join_timeout, wpa_s, NULL);
3420 group = wpas_p2p_get_group_iface(wpa_s, 0, 0);
3423 if (group != wpa_s) {
3424 os_memcpy(group->p2p_pin, wpa_s->p2p_pin,
3425 sizeof(group->p2p_pin));
3426 group->p2p_wps_method = wpa_s->p2p_wps_method;
3429 group->p2p_in_provisioning = 1;
3430 group->p2p_fallback_to_go_neg = wpa_s->p2p_fallback_to_go_neg;
3432 os_memset(&res, 0, sizeof(res));
3433 os_memcpy(res.peer_interface_addr, wpa_s->pending_join_iface_addr,
3435 res.wps_method = wpa_s->pending_join_wps_method;
3436 bss = wpa_bss_get_bssid(wpa_s, wpa_s->pending_join_iface_addr);
3438 res.freq = bss->freq;
3439 res.ssid_len = bss->ssid_len;
3440 os_memcpy(res.ssid, bss->ssid, bss->ssid_len);
3443 if (wpa_s->off_channel_freq || wpa_s->roc_waiting_drv_freq) {
3444 wpa_printf(MSG_DEBUG, "P2P: Cancel remain-on-channel prior to "
3446 wpa_drv_cancel_remain_on_channel(wpa_s);
3447 wpa_s->off_channel_freq = 0;
3448 wpa_s->roc_waiting_drv_freq = 0;
3450 wpas_start_wps_enrollee(group, &res);
3453 * Allow a longer timeout for join-a-running-group than normal 15
3454 * second group formation timeout since the GO may not have authorized
3455 * our connection yet.
3457 eloop_cancel_timeout(wpas_p2p_group_formation_timeout, wpa_s, NULL);
3458 eloop_register_timeout(60, 0, wpas_p2p_group_formation_timeout,
3466 * wpas_p2p_connect - Request P2P Group Formation to be started
3467 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
3468 * @peer_addr: Address of the peer P2P Device
3469 * @pin: PIN to use during provisioning or %NULL to indicate PBC mode
3470 * @persistent_group: Whether to create a persistent group
3471 * @auto_join: Whether to select join vs. GO Negotiation automatically
3472 * @join: Whether to join an existing group (as a client) instead of starting
3473 * Group Owner negotiation; @peer_addr is BSSID in that case
3474 * @auth: Whether to only authorize the connection instead of doing that and
3475 * initiating Group Owner negotiation
3476 * @go_intent: GO Intent or -1 to use default
3477 * @freq: Frequency for the group or 0 for auto-selection
3478 * @persistent_id: Persistent group credentials to use for forcing GO
3479 * parameters or -1 to generate new values (SSID/passphrase)
3480 * @pd: Whether to send Provision Discovery prior to GO Negotiation as an
3481 * interoperability workaround when initiating group formation
3482 * @ht40: Start GO with 40 MHz channel width
3483 * Returns: 0 or new PIN (if pin was %NULL) on success, -1 on unspecified
3484 * failure, -2 on failure due to channel not currently available,
3485 * -3 if forced channel is not supported
3487 int wpas_p2p_connect(struct wpa_supplicant *wpa_s, const u8 *peer_addr,
3488 const char *pin, enum p2p_wps_method wps_method,
3489 int persistent_group, int auto_join, int join, int auth,
3490 int go_intent, int freq, int persistent_id, int pd,
3493 int force_freq = 0, oper_freq = 0;
3496 enum wpa_driver_if_type iftype;
3498 struct wpa_ssid *ssid = NULL;
3500 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
3503 if (persistent_id >= 0) {
3504 ssid = wpa_config_get_network(wpa_s->conf, persistent_id);
3505 if (ssid == NULL || ssid->disabled != 2 ||
3506 ssid->mode != WPAS_MODE_P2P_GO)
3511 go_intent = wpa_s->conf->p2p_go_intent;
3514 wpa_s->p2p_long_listen = 0;
3516 wpa_s->p2p_wps_method = wps_method;
3517 wpa_s->p2p_persistent_group = !!persistent_group;
3518 wpa_s->p2p_persistent_id = persistent_id;
3519 wpa_s->p2p_go_intent = go_intent;
3520 wpa_s->p2p_connect_freq = freq;
3521 wpa_s->p2p_fallback_to_go_neg = 0;
3522 wpa_s->p2p_pd_before_go_neg = !!pd;
3523 wpa_s->p2p_go_ht40 = !!ht40;
3526 os_strlcpy(wpa_s->p2p_pin, pin, sizeof(wpa_s->p2p_pin));
3527 else if (wps_method == WPS_PIN_DISPLAY) {
3528 ret = wps_generate_pin();
3529 os_snprintf(wpa_s->p2p_pin, sizeof(wpa_s->p2p_pin), "%08d",
3531 wpa_printf(MSG_DEBUG, "P2P: Randomly generated PIN: %s",
3534 wpa_s->p2p_pin[0] = '\0';
3536 if (join || auto_join) {
3537 u8 iface_addr[ETH_ALEN], dev_addr[ETH_ALEN];
3539 wpa_printf(MSG_DEBUG, "P2P: Authorize invitation to "
3540 "connect a running group from " MACSTR,
3541 MAC2STR(peer_addr));
3542 os_memcpy(wpa_s->p2p_auth_invite, peer_addr, ETH_ALEN);
3545 os_memcpy(dev_addr, peer_addr, ETH_ALEN);
3546 if (p2p_get_interface_addr(wpa_s->global->p2p, peer_addr,
3548 os_memcpy(iface_addr, peer_addr, ETH_ALEN);
3549 p2p_get_dev_addr(wpa_s->global->p2p, peer_addr,
3553 os_get_time(&wpa_s->p2p_auto_started);
3554 wpa_printf(MSG_DEBUG, "P2P: Auto join started at "
3556 wpa_s->p2p_auto_started.sec,
3557 wpa_s->p2p_auto_started.usec);
3559 if (wpas_p2p_join(wpa_s, iface_addr, dev_addr, wps_method,
3565 if (wpa_s->current_ssid && wpa_drv_get_bssid(wpa_s, bssid) == 0 &&
3567 oper_freq = wpa_s->assoc_freq;
3569 oper_freq = wpa_drv_shared_freq(wpa_s);
3575 if (!p2p_supported_freq(wpa_s->global->p2p, freq)) {
3576 wpa_printf(MSG_DEBUG, "P2P: The forced channel "
3577 "(%u MHz) is not supported for P2P uses",
3582 if (oper_freq > 0 && freq != oper_freq &&
3583 !(wpa_s->drv_flags &
3584 WPA_DRIVER_FLAGS_MULTI_CHANNEL_CONCURRENT)) {
3585 wpa_printf(MSG_DEBUG, "P2P: Cannot start P2P group "
3586 "on %u MHz while connected on another "
3587 "channel (%u MHz)", freq, oper_freq);
3590 wpa_printf(MSG_DEBUG, "P2P: Trying to force us to use the "
3591 "requested channel (%u MHz)", freq);
3593 } else if (oper_freq > 0 &&
3594 !p2p_supported_freq(wpa_s->global->p2p, oper_freq)) {
3595 if (!(wpa_s->drv_flags &
3596 WPA_DRIVER_FLAGS_MULTI_CHANNEL_CONCURRENT)) {
3597 wpa_printf(MSG_DEBUG, "P2P: Cannot start P2P group "
3598 "while connected on non-P2P supported "
3599 "channel (%u MHz)", oper_freq);
3602 wpa_printf(MSG_DEBUG, "P2P: Current operating channel "
3603 "(%u MHz) not available for P2P - try to use "
3604 "another channel", oper_freq);
3606 } else if (oper_freq > 0) {
3607 wpa_printf(MSG_DEBUG, "P2P: Trying to force us to use the "
3608 "channel we are already using (%u MHz) on another "
3609 "interface", oper_freq);
3610 force_freq = oper_freq;
3613 wpa_s->create_p2p_iface = wpas_p2p_create_iface(wpa_s);
3615 if (wpa_s->create_p2p_iface) {
3616 /* Prepare to add a new interface for the group */
3617 iftype = WPA_IF_P2P_GROUP;
3618 if (go_intent == 15)
3619 iftype = WPA_IF_P2P_GO;
3620 if (wpas_p2p_add_group_interface(wpa_s, iftype) < 0) {
3621 wpa_printf(MSG_ERROR, "P2P: Failed to allocate a new "
3622 "interface for the group");
3626 if_addr = wpa_s->pending_interface_addr;
3628 if_addr = wpa_s->own_addr;
3631 if (wpas_p2p_auth_go_neg(wpa_s, peer_addr, wps_method,
3633 force_freq, persistent_group, ssid) <
3639 if (wpas_p2p_start_go_neg(wpa_s, peer_addr, wps_method,
3640 go_intent, if_addr, force_freq,
3641 persistent_group, ssid) < 0) {
3642 if (wpa_s->create_p2p_iface)
3643 wpas_p2p_remove_pending_group_interface(wpa_s);
3651 * wpas_p2p_remain_on_channel_cb - Indication of remain-on-channel start
3652 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
3653 * @freq: Frequency of the channel in MHz
3654 * @duration: Duration of the stay on the channel in milliseconds
3656 * This callback is called when the driver indicates that it has started the
3657 * requested remain-on-channel duration.
3659 void wpas_p2p_remain_on_channel_cb(struct wpa_supplicant *wpa_s,
3660 unsigned int freq, unsigned int duration)
3662 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
3664 if (wpa_s->off_channel_freq == wpa_s->pending_listen_freq) {
3665 p2p_listen_cb(wpa_s->global->p2p, wpa_s->pending_listen_freq,
3666 wpa_s->pending_listen_duration);
3667 wpa_s->pending_listen_freq = 0;
3672 static int wpas_p2p_listen_start(struct wpa_supplicant *wpa_s,
3673 unsigned int timeout)
3675 /* Limit maximum Listen state time based on driver limitation. */
3676 if (timeout > wpa_s->max_remain_on_chan)
3677 timeout = wpa_s->max_remain_on_chan;
3679 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)
3680 return wpa_drv_p2p_listen(wpa_s, timeout);
3682 return p2p_listen(wpa_s->global->p2p, timeout);
3687 * wpas_p2p_cancel_remain_on_channel_cb - Remain-on-channel timeout
3688 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
3689 * @freq: Frequency of the channel in MHz
3691 * This callback is called when the driver indicates that a remain-on-channel
3692 * operation has been completed, i.e., the duration on the requested channel
3695 void wpas_p2p_cancel_remain_on_channel_cb(struct wpa_supplicant *wpa_s,
3698 wpa_printf(MSG_DEBUG, "P2P: Cancel remain-on-channel callback "
3699 "(p2p_long_listen=%d ms pending_action_tx=%p)",
3700 wpa_s->p2p_long_listen, wpa_s->pending_action_tx);
3701 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
3703 if (p2p_listen_end(wpa_s->global->p2p, freq) > 0)
3704 return; /* P2P module started a new operation */
3705 if (wpa_s->pending_action_tx)
3707 if (wpa_s->p2p_long_listen > 0)
3708 wpa_s->p2p_long_listen -= wpa_s->max_remain_on_chan;
3709 if (wpa_s->p2p_long_listen > 0) {
3710 wpa_printf(MSG_DEBUG, "P2P: Continuing long Listen state");
3711 wpas_p2p_listen_start(wpa_s, wpa_s->p2p_long_listen);
3717 * wpas_p2p_group_remove - Remove a P2P group
3718 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
3719 * @ifname: Network interface name of the group interface or "*" to remove all
3721 * Returns: 0 on success, -1 on failure
3723 * This function is used to remove a P2P group. This can be used to disconnect
3724 * from a group in which the local end is a P2P Client or to end a P2P Group in
3725 * case the local end is the Group Owner. If a virtual network interface was
3726 * created for this group, that interface will be removed. Otherwise, only the
3727 * configured P2P group network will be removed from the interface.
3729 int wpas_p2p_group_remove(struct wpa_supplicant *wpa_s, const char *ifname)
3731 struct wpa_global *global = wpa_s->global;
3733 if (os_strcmp(ifname, "*") == 0) {
3734 struct wpa_supplicant *prev;
3735 wpa_s = global->ifaces;
3738 wpa_s = wpa_s->next;
3739 wpas_p2p_disconnect(prev);
3744 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
3745 if (os_strcmp(wpa_s->ifname, ifname) == 0)
3749 return wpas_p2p_disconnect(wpa_s);
3753 static int wpas_p2p_init_go_params(struct wpa_supplicant *wpa_s,
3754 struct p2p_go_neg_results *params,
3760 os_memset(params, 0, sizeof(*params));
3761 params->role_go = 1;
3762 params->ht40 = ht40;
3764 wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on forced "
3765 "frequency %d MHz", freq);
3766 params->freq = freq;
3767 } else if (wpa_s->conf->p2p_oper_reg_class == 81 &&
3768 wpa_s->conf->p2p_oper_channel >= 1 &&
3769 wpa_s->conf->p2p_oper_channel <= 11) {
3770 params->freq = 2407 + 5 * wpa_s->conf->p2p_oper_channel;
3771 wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on configured "
3772 "frequency %d MHz", params->freq);
3773 } else if (wpa_s->conf->p2p_oper_reg_class == 115 ||
3774 wpa_s->conf->p2p_oper_reg_class == 124) {
3775 params->freq = 5000 + 5 * wpa_s->conf->p2p_oper_channel;
3776 wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on configured "
3777 "frequency %d MHz", params->freq);
3778 } else if (wpa_s->conf->p2p_oper_channel == 0 &&
3779 wpa_s->best_overall_freq > 0 &&
3780 p2p_supported_freq(wpa_s->global->p2p,
3781 wpa_s->best_overall_freq)) {
3782 params->freq = wpa_s->best_overall_freq;
3783 wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on best overall "
3784 "channel %d MHz", params->freq);
3785 } else if (wpa_s->conf->p2p_oper_channel == 0 &&
3786 wpa_s->best_24_freq > 0 &&
3787 p2p_supported_freq(wpa_s->global->p2p,
3788 wpa_s->best_24_freq)) {
3789 params->freq = wpa_s->best_24_freq;
3790 wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on best 2.4 GHz "
3791 "channel %d MHz", params->freq);
3792 } else if (wpa_s->conf->p2p_oper_channel == 0 &&
3793 wpa_s->best_5_freq > 0 &&
3794 p2p_supported_freq(wpa_s->global->p2p,
3795 wpa_s->best_5_freq)) {
3796 params->freq = wpa_s->best_5_freq;
3797 wpa_printf(MSG_DEBUG, "P2P: Set GO freq based on best 5 GHz "
3798 "channel %d MHz", params->freq);
3801 for (chan = 0; chan < 11; chan++) {
3802 params->freq = 2412 + chan * 5;
3803 if (!wpas_p2p_disallowed_freq(wpa_s->global,
3808 wpa_printf(MSG_DEBUG, "P2P: No 2.4 GHz channel "
3812 wpa_printf(MSG_DEBUG, "P2P: Set GO freq %d MHz (no preference "
3813 "known)", params->freq);
3816 if (wpa_s->current_ssid && wpa_drv_get_bssid(wpa_s, bssid) == 0 &&
3817 wpa_s->assoc_freq && !freq) {
3818 wpa_printf(MSG_DEBUG, "P2P: Force GO on the channel we are "
3820 params->freq = wpa_s->assoc_freq;
3823 res = wpa_drv_shared_freq(wpa_s);
3824 if (res > 0 && !freq) {
3825 wpa_printf(MSG_DEBUG, "P2P: Force GO on the channel we are "
3826 "already using on a shared interface");
3828 } else if (res > 0 && freq != res &&
3829 !(wpa_s->drv_flags &
3830 WPA_DRIVER_FLAGS_MULTI_CHANNEL_CONCURRENT)) {
3831 wpa_printf(MSG_DEBUG, "P2P: Cannot start P2P group on %u MHz "
3832 "while connected on another channel (%u MHz)",
3841 static struct wpa_supplicant *
3842 wpas_p2p_get_group_iface(struct wpa_supplicant *wpa_s, int addr_allocated,
3845 struct wpa_supplicant *group_wpa_s;
3847 if (!wpas_p2p_create_iface(wpa_s))
3850 if (wpas_p2p_add_group_interface(wpa_s, go ? WPA_IF_P2P_GO :
3851 WPA_IF_P2P_CLIENT) < 0)
3853 group_wpa_s = wpas_p2p_init_group_interface(wpa_s, go);
3854 if (group_wpa_s == NULL) {
3855 wpas_p2p_remove_pending_group_interface(wpa_s);
3864 * wpas_p2p_group_add - Add a new P2P group with local end as Group Owner
3865 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
3866 * @persistent_group: Whether to create a persistent group
3867 * @freq: Frequency for the group or 0 to indicate no hardcoding
3868 * Returns: 0 on success, -1 on failure
3870 * This function creates a new P2P group with the local end as the Group Owner,
3871 * i.e., without using Group Owner Negotiation.
3873 int wpas_p2p_group_add(struct wpa_supplicant *wpa_s, int persistent_group,
3876 struct p2p_go_neg_results params;
3879 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
3882 /* Make sure we are not running find during connection establishment */
3883 wpa_printf(MSG_DEBUG, "P2P: Stop any on-going P2P FIND");
3884 wpas_p2p_stop_find(wpa_s);
3887 wpa_printf(MSG_DEBUG, "P2P: Request to start GO on 2.4 GHz "
3889 if (wpa_s->best_24_freq > 0 &&
3890 p2p_supported_freq(wpa_s->global->p2p,
3891 wpa_s->best_24_freq)) {
3892 freq = wpa_s->best_24_freq;
3893 wpa_printf(MSG_DEBUG, "P2P: Use best 2.4 GHz band "
3894 "channel: %d MHz", freq);
3896 os_get_random((u8 *) &r, sizeof(r));
3897 freq = 2412 + (r % 3) * 25;
3898 wpa_printf(MSG_DEBUG, "P2P: Use random 2.4 GHz band "
3899 "channel: %d MHz", freq);
3904 wpa_printf(MSG_DEBUG, "P2P: Request to start GO on 5 GHz "
3906 if (wpa_s->best_5_freq > 0 &&
3907 p2p_supported_freq(wpa_s->global->p2p,
3908 wpa_s->best_5_freq)) {
3909 freq = wpa_s->best_5_freq;
3910 wpa_printf(MSG_DEBUG, "P2P: Use best 5 GHz band "
3911 "channel: %d MHz", freq);
3913 os_get_random((u8 *) &r, sizeof(r));
3914 freq = 5180 + (r % 4) * 20;
3915 if (!p2p_supported_freq(wpa_s->global->p2p, freq)) {
3916 wpa_printf(MSG_DEBUG, "P2P: Could not select "
3917 "5 GHz channel for P2P group");
3920 wpa_printf(MSG_DEBUG, "P2P: Use random 5 GHz band "
3921 "channel: %d MHz", freq);
3925 if (freq > 0 && !p2p_supported_freq(wpa_s->global->p2p, freq)) {
3926 wpa_printf(MSG_DEBUG, "P2P: The forced channel for GO "
3927 "(%u MHz) is not supported for P2P uses",
3932 if (wpas_p2p_init_go_params(wpa_s, ¶ms, freq, ht40))
3935 !p2p_supported_freq(wpa_s->global->p2p, params.freq)) {
3936 wpa_printf(MSG_DEBUG, "P2P: The selected channel for GO "
3937 "(%u MHz) is not supported for P2P uses",
3941 p2p_go_params(wpa_s->global->p2p, ¶ms);
3942 params.persistent_group = persistent_group;
3944 wpa_s = wpas_p2p_get_group_iface(wpa_s, 0, 1);
3947 wpas_start_wps_go(wpa_s, ¶ms, 0);
3953 static int wpas_start_p2p_client(struct wpa_supplicant *wpa_s,
3954 struct wpa_ssid *params, int addr_allocated)
3956 struct wpa_ssid *ssid;
3958 wpa_s = wpas_p2p_get_group_iface(wpa_s, addr_allocated, 0);
3962 wpa_supplicant_ap_deinit(wpa_s);
3964 ssid = wpa_config_add_network(wpa_s->conf);
3967 wpa_config_set_network_defaults(ssid);
3968 ssid->temporary = 1;
3969 ssid->proto = WPA_PROTO_RSN;
3970 ssid->pairwise_cipher = WPA_CIPHER_CCMP;
3971 ssid->group_cipher = WPA_CIPHER_CCMP;
3972 ssid->key_mgmt = WPA_KEY_MGMT_PSK;
3973 ssid->ssid = os_malloc(params->ssid_len);
3974 if (ssid->ssid == NULL) {
3975 wpa_config_remove_network(wpa_s->conf, ssid->id);
3978 os_memcpy(ssid->ssid, params->ssid, params->ssid_len);
3979 ssid->ssid_len = params->ssid_len;
3980 ssid->p2p_group = 1;
3981 ssid->export_keys = 1;
3982 if (params->psk_set) {
3983 os_memcpy(ssid->psk, params->psk, 32);
3986 if (params->passphrase)
3987 ssid->passphrase = os_strdup(params->passphrase);
3989 wpa_supplicant_select_network(wpa_s, ssid);
3991 wpa_s->show_group_started = 1;
3997 int wpas_p2p_group_add_persistent(struct wpa_supplicant *wpa_s,
3998 struct wpa_ssid *ssid, int addr_allocated,
4001 struct p2p_go_neg_results params;
4004 if (ssid->disabled != 2 || ssid->ssid == NULL)
4007 if (wpas_get_p2p_group(wpa_s, ssid->ssid, ssid->ssid_len, &go) &&
4008 go == (ssid->mode == WPAS_MODE_P2P_GO)) {
4009 wpa_printf(MSG_DEBUG, "P2P: Requested persistent group is "
4014 /* Make sure we are not running find during connection establishment */
4015 wpas_p2p_stop_find(wpa_s);
4017 wpa_s->p2p_fallback_to_go_neg = 0;
4019 if (ssid->mode == WPAS_MODE_INFRA)
4020 return wpas_start_p2p_client(wpa_s, ssid, addr_allocated);
4022 if (ssid->mode != WPAS_MODE_P2P_GO)
4025 if (wpas_p2p_init_go_params(wpa_s, ¶ms, freq, ht40))
4029 if (ssid->passphrase == NULL ||
4030 os_strlen(ssid->passphrase) >= sizeof(params.passphrase)) {
4031 wpa_printf(MSG_DEBUG, "P2P: Invalid passphrase in persistent "
4035 os_strlcpy(params.passphrase, ssid->passphrase,
4036 sizeof(params.passphrase));
4037 os_memcpy(params.ssid, ssid->ssid, ssid->ssid_len);
4038 params.ssid_len = ssid->ssid_len;
4039 params.persistent_group = 1;
4041 wpa_s = wpas_p2p_get_group_iface(wpa_s, addr_allocated, 1);
4045 wpas_start_wps_go(wpa_s, ¶ms, 0);
4051 static void wpas_p2p_ie_update(void *ctx, struct wpabuf *beacon_ies,
4052 struct wpabuf *proberesp_ies)
4054 struct wpa_supplicant *wpa_s = ctx;
4055 if (wpa_s->ap_iface) {
4056 struct hostapd_data *hapd = wpa_s->ap_iface->bss[0];
4057 if (!(hapd->conf->p2p & P2P_GROUP_OWNER)) {
4058 wpabuf_free(beacon_ies);
4059 wpabuf_free(proberesp_ies);
4063 wpabuf_free(hapd->p2p_beacon_ie);
4064 hapd->p2p_beacon_ie = beacon_ies;
4066 wpabuf_free(hapd->p2p_probe_resp_ie);
4067 hapd->p2p_probe_resp_ie = proberesp_ies;
4069 wpabuf_free(beacon_ies);
4070 wpabuf_free(proberesp_ies);
4072 wpa_supplicant_ap_update_beacon(wpa_s);
4076 static void wpas_p2p_idle_update(void *ctx, int idle)
4078 struct wpa_supplicant *wpa_s = ctx;
4079 if (!wpa_s->ap_iface)
4081 wpa_printf(MSG_DEBUG, "P2P: GO - group %sidle", idle ? "" : "not ");
4083 wpas_p2p_set_group_idle_timeout(wpa_s);
4085 eloop_cancel_timeout(wpas_p2p_group_idle_timeout, wpa_s, NULL);
4089 struct p2p_group * wpas_p2p_group_init(struct wpa_supplicant *wpa_s,
4090 struct wpa_ssid *ssid)
4092 struct p2p_group *group;
4093 struct p2p_group_config *cfg;
4095 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)
4097 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
4100 cfg = os_zalloc(sizeof(*cfg));
4104 if (ssid->p2p_persistent_group && wpa_s->conf->persistent_reconnect)
4105 cfg->persistent_group = 2;
4106 else if (ssid->p2p_persistent_group)
4107 cfg->persistent_group = 1;
4108 os_memcpy(cfg->interface_addr, wpa_s->own_addr, ETH_ALEN);
4109 if (wpa_s->max_stations &&
4110 wpa_s->max_stations < wpa_s->conf->max_num_sta)
4111 cfg->max_clients = wpa_s->max_stations;
4113 cfg->max_clients = wpa_s->conf->max_num_sta;
4114 os_memcpy(cfg->ssid, ssid->ssid, ssid->ssid_len);
4115 cfg->ssid_len = ssid->ssid_len;
4116 cfg->cb_ctx = wpa_s;
4117 cfg->ie_update = wpas_p2p_ie_update;
4118 cfg->idle_update = wpas_p2p_idle_update;
4120 group = p2p_group_init(wpa_s->global->p2p, cfg);
4123 if (ssid->mode != WPAS_MODE_P2P_GROUP_FORMATION)
4124 p2p_group_notif_formation_done(group);
4125 wpa_s->p2p_group = group;
4130 void wpas_p2p_wps_success(struct wpa_supplicant *wpa_s, const u8 *peer_addr,
4133 struct wpa_ssid *ssid = wpa_s->current_ssid;
4135 if (!wpa_s->p2p_in_provisioning) {
4136 wpa_printf(MSG_DEBUG, "P2P: Ignore WPS success event - P2P "
4137 "provisioning not in progress");
4141 if (ssid && ssid->mode == WPAS_MODE_INFRA) {
4142 u8 go_dev_addr[ETH_ALEN];
4143 os_memcpy(go_dev_addr, wpa_s->bssid, ETH_ALEN);
4144 wpas_p2p_persistent_group(wpa_s, go_dev_addr, ssid->ssid,
4146 /* Clear any stored provisioning info */
4147 p2p_clear_provisioning_info(wpa_s->global->p2p, go_dev_addr);
4150 eloop_cancel_timeout(wpas_p2p_group_formation_timeout, wpa_s->parent,
4152 if (ssid && ssid->mode == WPAS_MODE_INFRA) {
4154 * Use a separate timeout for initial data connection to
4155 * complete to allow the group to be removed automatically if
4156 * something goes wrong in this step before the P2P group idle
4157 * timeout mechanism is taken into use.
4159 eloop_register_timeout(P2P_MAX_INITIAL_CONN_WAIT, 0,
4160 wpas_p2p_group_formation_timeout,
4161 wpa_s->parent, NULL);
4163 if (wpa_s->global->p2p)
4164 p2p_wps_success_cb(wpa_s->global->p2p, peer_addr);
4165 else if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)
4166 wpa_drv_wps_success_cb(wpa_s, peer_addr);
4167 wpas_group_formation_completed(wpa_s, 1);
4171 void wpas_p2p_wps_failed(struct wpa_supplicant *wpa_s,
4172 struct wps_event_fail *fail)
4174 if (!wpa_s->p2p_in_provisioning) {
4175 wpa_printf(MSG_DEBUG, "P2P: Ignore WPS fail event - P2P "
4176 "provisioning not in progress");
4180 if (wpa_s->go_params) {
4181 p2p_clear_provisioning_info(
4183 wpa_s->go_params->peer_device_addr);
4186 wpas_notify_p2p_wps_failed(wpa_s, fail);
4190 int wpas_p2p_prov_disc(struct wpa_supplicant *wpa_s, const u8 *peer_addr,
4191 const char *config_method,
4192 enum wpas_p2p_prov_disc_use use)
4196 wpa_s->p2p_fallback_to_go_neg = 0;
4197 wpa_s->pending_pd_use = NORMAL_PD;
4198 if (os_strncmp(config_method, "display", 7) == 0)
4199 config_methods = WPS_CONFIG_DISPLAY;
4200 else if (os_strncmp(config_method, "keypad", 6) == 0)
4201 config_methods = WPS_CONFIG_KEYPAD;
4202 else if (os_strncmp(config_method, "pbc", 3) == 0 ||
4203 os_strncmp(config_method, "pushbutton", 10) == 0)
4204 config_methods = WPS_CONFIG_PUSHBUTTON;
4206 wpa_printf(MSG_DEBUG, "P2P: Unknown config method");
4210 if (use == WPAS_P2P_PD_AUTO) {
4211 os_memcpy(wpa_s->pending_join_dev_addr, peer_addr, ETH_ALEN);
4212 wpa_s->pending_pd_config_methods = config_methods;
4213 wpa_s->p2p_auto_pd = 1;
4214 wpa_s->p2p_auto_join = 0;
4215 wpa_s->pending_pd_before_join = 0;
4216 wpa_s->auto_pd_scan_retry = 0;
4217 wpas_p2p_stop_find(wpa_s);
4218 wpa_s->p2p_join_scan_count = 0;
4219 os_get_time(&wpa_s->p2p_auto_started);
4220 wpa_printf(MSG_DEBUG, "P2P: Auto PD started at %ld.%06ld",
4221 wpa_s->p2p_auto_started.sec,
4222 wpa_s->p2p_auto_started.usec);
4223 wpas_p2p_join_scan(wpa_s, NULL);
4227 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) {
4228 return wpa_drv_p2p_prov_disc_req(wpa_s, peer_addr,
4230 use == WPAS_P2P_PD_FOR_JOIN);
4233 if (wpa_s->global->p2p == NULL || wpa_s->global->p2p_disabled)
4236 return p2p_prov_disc_req(wpa_s->global->p2p, peer_addr,
4237 config_methods, use == WPAS_P2P_PD_FOR_JOIN,
4242 int wpas_p2p_scan_result_text(const u8 *ies, size_t ies_len, char *buf,
4245 return p2p_scan_result_text(ies, ies_len, buf, end);
4249 static void wpas_p2p_clear_pending_action_tx(struct wpa_supplicant *wpa_s)
4251 if (!wpa_s->pending_action_tx)
4254 wpa_printf(MSG_DEBUG, "P2P: Drop pending Action TX due to new "
4255 "operation request");
4256 wpabuf_free(wpa_s->pending_action_tx);
4257 wpa_s->pending_action_tx = NULL;
4261 int wpas_p2p_find(struct wpa_supplicant *wpa_s, unsigned int timeout,
4262 enum p2p_discovery_type type,
4263 unsigned int num_req_dev_types, const u8 *req_dev_types,
4264 const u8 *dev_id, unsigned int search_delay)
4266 wpas_p2p_clear_pending_action_tx(wpa_s);
4267 wpa_s->p2p_long_listen = 0;
4269 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)
4270 return wpa_drv_p2p_find(wpa_s, timeout, type);
4272 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL ||
4273 wpa_s->p2p_in_provisioning)
4276 wpa_supplicant_cancel_sched_scan(wpa_s);
4278 return p2p_find(wpa_s->global->p2p, timeout, type,
4279 num_req_dev_types, req_dev_types, dev_id,
4284 void wpas_p2p_stop_find(struct wpa_supplicant *wpa_s)
4286 wpas_p2p_clear_pending_action_tx(wpa_s);
4287 wpa_s->p2p_long_listen = 0;
4288 eloop_cancel_timeout(wpas_p2p_long_listen_timeout, wpa_s, NULL);
4289 eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL);
4290 wpa_s->p2p_cb_on_scan_complete = 0;
4292 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) {
4293 wpa_drv_p2p_stop_find(wpa_s);
4297 if (wpa_s->global->p2p)
4298 p2p_stop_find(wpa_s->global->p2p);
4300 wpas_p2p_remove_pending_group_interface(wpa_s);
4304 static void wpas_p2p_long_listen_timeout(void *eloop_ctx, void *timeout_ctx)
4306 struct wpa_supplicant *wpa_s = eloop_ctx;
4307 wpa_s->p2p_long_listen = 0;
4311 int wpas_p2p_listen(struct wpa_supplicant *wpa_s, unsigned int timeout)
4315 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
4318 wpa_supplicant_cancel_sched_scan(wpa_s);
4319 wpas_p2p_clear_pending_action_tx(wpa_s);
4323 * This is a request for unlimited Listen state. However, at
4324 * least for now, this is mapped to a Listen state for one
4329 eloop_cancel_timeout(wpas_p2p_long_listen_timeout, wpa_s, NULL);
4330 wpa_s->p2p_long_listen = 0;
4333 * Stop previous find/listen operation to avoid trying to request a new
4334 * remain-on-channel operation while the driver is still running the
4337 if (wpa_s->global->p2p)
4338 p2p_stop_find(wpa_s->global->p2p);
4340 res = wpas_p2p_listen_start(wpa_s, timeout * 1000);
4341 if (res == 0 && timeout * 1000 > wpa_s->max_remain_on_chan) {
4342 wpa_s->p2p_long_listen = timeout * 1000;
4343 eloop_register_timeout(timeout, 0,
4344 wpas_p2p_long_listen_timeout,
4352 int wpas_p2p_assoc_req_ie(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
4353 u8 *buf, size_t len, int p2p_group)
4355 struct wpabuf *p2p_ie;
4358 if (wpa_s->global->p2p_disabled)
4360 if (wpa_s->global->p2p == NULL)
4365 p2p_ie = wpa_bss_get_vendor_ie_multi(bss, P2P_IE_VENDOR_TYPE);
4366 ret = p2p_assoc_req_ie(wpa_s->global->p2p, bss->bssid, buf, len,
4368 wpabuf_free(p2p_ie);
4374 int wpas_p2p_probe_req_rx(struct wpa_supplicant *wpa_s, const u8 *addr,
4375 const u8 *dst, const u8 *bssid,
4376 const u8 *ie, size_t ie_len, int ssi_signal)
4378 if (wpa_s->global->p2p_disabled)
4380 if (wpa_s->global->p2p == NULL)
4383 switch (p2p_probe_req_rx(wpa_s->global->p2p, addr, dst, bssid,
4385 case P2P_PREQ_NOT_P2P:
4386 wpas_notify_preq(wpa_s, addr, dst, bssid, ie, ie_len,
4389 case P2P_PREQ_MALFORMED:
4390 case P2P_PREQ_NOT_LISTEN:
4391 case P2P_PREQ_NOT_PROCESSED:
4392 default: /* make gcc happy */
4394 case P2P_PREQ_PROCESSED:
4400 void wpas_p2p_rx_action(struct wpa_supplicant *wpa_s, const u8 *da,
4401 const u8 *sa, const u8 *bssid,
4402 u8 category, const u8 *data, size_t len, int freq)
4404 if (wpa_s->global->p2p_disabled)
4406 if (wpa_s->global->p2p == NULL)
4409 p2p_rx_action(wpa_s->global->p2p, da, sa, bssid, category, data, len,
4414 void wpas_p2p_scan_ie(struct wpa_supplicant *wpa_s, struct wpabuf *ies)
4416 if (wpa_s->global->p2p_disabled)
4418 if (wpa_s->global->p2p == NULL)
4421 p2p_scan_ie(wpa_s->global->p2p, ies, NULL);
4425 void wpas_p2p_group_deinit(struct wpa_supplicant *wpa_s)
4427 p2p_group_deinit(wpa_s->p2p_group);
4428 wpa_s->p2p_group = NULL;
4430 wpa_s->ap_configured_cb = NULL;
4431 wpa_s->ap_configured_cb_ctx = NULL;
4432 wpa_s->ap_configured_cb_data = NULL;
4433 wpa_s->connect_without_scan = NULL;
4437 int wpas_p2p_reject(struct wpa_supplicant *wpa_s, const u8 *addr)
4439 wpa_s->p2p_long_listen = 0;
4441 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)
4442 return wpa_drv_p2p_reject(wpa_s, addr);
4444 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
4447 return p2p_reject(wpa_s->global->p2p, addr);
4451 /* Invite to reinvoke a persistent group */
4452 int wpas_p2p_invite(struct wpa_supplicant *wpa_s, const u8 *peer_addr,
4453 struct wpa_ssid *ssid, const u8 *go_dev_addr, int freq,
4456 enum p2p_invite_role role;
4459 wpa_s->p2p_persistent_go_freq = freq;
4460 wpa_s->p2p_go_ht40 = !!ht40;
4461 if (ssid->mode == WPAS_MODE_P2P_GO) {
4462 role = P2P_INVITE_ROLE_GO;
4463 if (peer_addr == NULL) {
4464 wpa_printf(MSG_DEBUG, "P2P: Missing peer "
4465 "address in invitation command");
4468 if (wpas_p2p_create_iface(wpa_s)) {
4469 if (wpas_p2p_add_group_interface(wpa_s,
4470 WPA_IF_P2P_GO) < 0) {
4471 wpa_printf(MSG_ERROR, "P2P: Failed to "
4472 "allocate a new interface for the "
4476 bssid = wpa_s->pending_interface_addr;
4478 bssid = wpa_s->own_addr;
4480 role = P2P_INVITE_ROLE_CLIENT;
4481 peer_addr = ssid->bssid;
4483 wpa_s->pending_invite_ssid_id = ssid->id;
4485 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)
4486 return wpa_drv_p2p_invite(wpa_s, peer_addr, role, bssid,
4487 ssid->ssid, ssid->ssid_len,
4490 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
4493 return p2p_invite(wpa_s->global->p2p, peer_addr, role, bssid,
4494 ssid->ssid, ssid->ssid_len, freq, go_dev_addr, 1);
4498 /* Invite to join an active group */
4499 int wpas_p2p_invite_group(struct wpa_supplicant *wpa_s, const char *ifname,
4500 const u8 *peer_addr, const u8 *go_dev_addr)
4502 struct wpa_global *global = wpa_s->global;
4503 enum p2p_invite_role role;
4505 struct wpa_ssid *ssid;
4508 wpa_s->p2p_persistent_go_freq = 0;
4509 wpa_s->p2p_go_ht40 = 0;
4511 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
4512 if (os_strcmp(wpa_s->ifname, ifname) == 0)
4515 if (wpa_s == NULL) {
4516 wpa_printf(MSG_DEBUG, "P2P: Interface '%s' not found", ifname);
4520 ssid = wpa_s->current_ssid;
4522 wpa_printf(MSG_DEBUG, "P2P: No current SSID to use for "
4527 persistent = ssid->p2p_persistent_group &&
4528 wpas_p2p_get_persistent(wpa_s->parent, peer_addr,
4529 ssid->ssid, ssid->ssid_len);
4531 if (ssid->mode == WPAS_MODE_P2P_GO) {
4532 role = P2P_INVITE_ROLE_ACTIVE_GO;
4533 bssid = wpa_s->own_addr;
4534 if (go_dev_addr == NULL)
4535 go_dev_addr = wpa_s->global->p2p_dev_addr;
4537 role = P2P_INVITE_ROLE_CLIENT;
4538 if (wpa_s->wpa_state < WPA_ASSOCIATED) {
4539 wpa_printf(MSG_DEBUG, "P2P: Not associated - cannot "
4540 "invite to current group");
4543 bssid = wpa_s->bssid;
4544 if (go_dev_addr == NULL &&
4545 !is_zero_ether_addr(wpa_s->go_dev_addr))
4546 go_dev_addr = wpa_s->go_dev_addr;
4548 wpa_s->parent->pending_invite_ssid_id = -1;
4550 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)
4551 return wpa_drv_p2p_invite(wpa_s, peer_addr, role, bssid,
4552 ssid->ssid, ssid->ssid_len,
4553 go_dev_addr, persistent);
4555 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
4558 return p2p_invite(wpa_s->global->p2p, peer_addr, role, bssid,
4559 ssid->ssid, ssid->ssid_len, wpa_s->assoc_freq,
4560 go_dev_addr, persistent);
4564 void wpas_p2p_completed(struct wpa_supplicant *wpa_s)
4566 struct wpa_ssid *ssid = wpa_s->current_ssid;
4567 const char *ssid_txt;
4568 u8 go_dev_addr[ETH_ALEN];
4569 int network_id = -1;
4573 if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GROUP_FORMATION) {
4574 eloop_cancel_timeout(wpas_p2p_group_formation_timeout,
4575 wpa_s->parent, NULL);
4578 if (!wpa_s->show_group_started || !ssid)
4581 wpa_s->show_group_started = 0;
4583 ssid_txt = wpa_ssid_txt(ssid->ssid, ssid->ssid_len);
4584 os_memset(go_dev_addr, 0, ETH_ALEN);
4585 if (ssid->bssid_set)
4586 os_memcpy(go_dev_addr, ssid->bssid, ETH_ALEN);
4587 persistent = wpas_p2p_persistent_group(wpa_s, go_dev_addr, ssid->ssid,
4589 os_memcpy(wpa_s->go_dev_addr, go_dev_addr, ETH_ALEN);
4591 if (wpa_s->global->p2p_group_formation == wpa_s)
4592 wpa_s->global->p2p_group_formation = NULL;
4594 freq = wpa_s->current_bss ? wpa_s->current_bss->freq :
4595 (int) wpa_s->assoc_freq;
4596 if (ssid->passphrase == NULL && ssid->psk_set) {
4598 wpa_snprintf_hex(psk, sizeof(psk), ssid->psk, 32);
4599 wpa_msg(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_STARTED
4600 "%s client ssid=\"%s\" freq=%d psk=%s go_dev_addr="
4602 wpa_s->ifname, ssid_txt, freq, psk,
4603 MAC2STR(go_dev_addr),
4604 persistent ? " [PERSISTENT]" : "");
4606 wpa_msg(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_STARTED
4607 "%s client ssid=\"%s\" freq=%d passphrase=\"%s\" "
4608 "go_dev_addr=" MACSTR "%s",
4609 wpa_s->ifname, ssid_txt, freq,
4610 ssid->passphrase ? ssid->passphrase : "",
4611 MAC2STR(go_dev_addr),
4612 persistent ? " [PERSISTENT]" : "");
4616 network_id = wpas_p2p_store_persistent_group(wpa_s->parent,
4619 network_id = ssid->id;
4620 wpas_notify_p2p_group_started(wpa_s, ssid, network_id, 1);
4623 if (wpa_s->p2p_cb_on_scan_complete && !wpa_s->global->p2p_disabled &&
4624 wpa_s->global->p2p != NULL) {
4625 wpa_s->p2p_cb_on_scan_complete = 0;
4626 if (p2p_other_scan_completed(wpa_s->global->p2p) == 1) {
4627 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Pending P2P operation "
4628 "continued after successful connection");
4629 p2p_increase_search_delay(
4631 wpas_p2p_search_delay(wpa_s));
4637 int wpas_p2p_presence_req(struct wpa_supplicant *wpa_s, u32 duration1,
4638 u32 interval1, u32 duration2, u32 interval2)
4640 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)
4642 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
4645 if (wpa_s->wpa_state < WPA_ASSOCIATED ||
4646 wpa_s->current_ssid == NULL ||
4647 wpa_s->current_ssid->mode != WPAS_MODE_INFRA)
4650 return p2p_presence_req(wpa_s->global->p2p, wpa_s->bssid,
4651 wpa_s->own_addr, wpa_s->assoc_freq,
4652 duration1, interval1, duration2, interval2);
4656 int wpas_p2p_ext_listen(struct wpa_supplicant *wpa_s, unsigned int period,
4657 unsigned int interval)
4659 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)
4662 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
4665 return p2p_ext_listen(wpa_s->global->p2p, period, interval);
4669 static int wpas_p2p_is_client(struct wpa_supplicant *wpa_s)
4671 return wpa_s->current_ssid != NULL &&
4672 wpa_s->current_ssid->p2p_group &&
4673 wpa_s->current_ssid->mode == WPAS_MODE_INFRA;
4677 static void wpas_p2p_group_idle_timeout(void *eloop_ctx, void *timeout_ctx)
4679 struct wpa_supplicant *wpa_s = eloop_ctx;
4681 if (wpa_s->conf->p2p_group_idle == 0 && !wpas_p2p_is_client(wpa_s)) {
4682 wpa_printf(MSG_DEBUG, "P2P: Ignore group idle timeout - "
4687 wpa_printf(MSG_DEBUG, "P2P: Group idle timeout reached - terminate "
4689 wpas_p2p_group_delete(wpa_s, P2P_GROUP_REMOVAL_IDLE_TIMEOUT);
4693 static void wpas_p2p_set_group_idle_timeout(struct wpa_supplicant *wpa_s)
4697 if (eloop_cancel_timeout(wpas_p2p_group_idle_timeout, wpa_s, NULL) > 0)
4698 wpa_printf(MSG_DEBUG, "P2P: Cancelled P2P group idle timeout");
4700 if (wpa_s->current_ssid == NULL || !wpa_s->current_ssid->p2p_group)
4703 timeout = wpa_s->conf->p2p_group_idle;
4704 if (wpa_s->current_ssid->mode == WPAS_MODE_INFRA &&
4705 (timeout == 0 || timeout > P2P_MAX_CLIENT_IDLE))
4706 timeout = P2P_MAX_CLIENT_IDLE;
4712 if (wpa_s->current_ssid->mode == WPAS_MODE_INFRA)
4713 timeout = 0; /* special client mode no-timeout */
4718 if (wpa_s->p2p_in_provisioning) {
4720 * Use the normal group formation timeout during the
4721 * provisioning phase to avoid terminating this process too
4722 * early due to group idle timeout.
4724 wpa_printf(MSG_DEBUG, "P2P: Do not use P2P group idle timeout "
4725 "during provisioning");
4729 if (wpa_s->show_group_started) {
4731 * Use the normal group formation timeout between the end of
4732 * the provisioning phase and completion of 4-way handshake to
4733 * avoid terminating this process too early due to group idle
4736 wpa_printf(MSG_DEBUG, "P2P: Do not use P2P group idle timeout "
4737 "while waiting for initial 4-way handshake to "
4743 wpa_printf(MSG_DEBUG, "P2P: Set P2P group idle timeout to %u seconds",
4745 eloop_register_timeout(timeout, 0, wpas_p2p_group_idle_timeout,
4750 /* Returns 1 if the interface was removed */
4751 int wpas_p2p_deauth_notif(struct wpa_supplicant *wpa_s, const u8 *bssid,
4752 u16 reason_code, const u8 *ie, size_t ie_len,
4753 int locally_generated)
4755 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
4757 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)
4760 if (!locally_generated)
4761 p2p_deauth_notif(wpa_s->global->p2p, bssid, reason_code, ie,
4764 if (reason_code == WLAN_REASON_DEAUTH_LEAVING && !locally_generated &&
4765 wpa_s->current_ssid &&
4766 wpa_s->current_ssid->p2p_group &&
4767 wpa_s->current_ssid->mode == WPAS_MODE_INFRA) {
4768 wpa_printf(MSG_DEBUG, "P2P: GO indicated that the P2P Group "
4769 "session is ending");
4770 if (wpas_p2p_group_delete(wpa_s,
4771 P2P_GROUP_REMOVAL_GO_ENDING_SESSION)
4780 void wpas_p2p_disassoc_notif(struct wpa_supplicant *wpa_s, const u8 *bssid,
4781 u16 reason_code, const u8 *ie, size_t ie_len,
4782 int locally_generated)
4784 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
4786 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)
4789 if (!locally_generated)
4790 p2p_disassoc_notif(wpa_s->global->p2p, bssid, reason_code, ie,
4795 void wpas_p2p_update_config(struct wpa_supplicant *wpa_s)
4797 struct p2p_data *p2p = wpa_s->global->p2p;
4802 if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_CAPABLE))
4805 if (wpa_s->conf->changed_parameters & CFG_CHANGED_DEVICE_NAME)
4806 p2p_set_dev_name(p2p, wpa_s->conf->device_name);
4808 if (wpa_s->conf->changed_parameters & CFG_CHANGED_DEVICE_TYPE)
4809 p2p_set_pri_dev_type(p2p, wpa_s->conf->device_type);
4812 (wpa_s->conf->changed_parameters & CFG_CHANGED_CONFIG_METHODS))
4813 p2p_set_config_methods(p2p, wpa_s->wps->config_methods);
4815 if (wpa_s->wps && (wpa_s->conf->changed_parameters & CFG_CHANGED_UUID))
4816 p2p_set_uuid(p2p, wpa_s->wps->uuid);
4818 if (wpa_s->conf->changed_parameters & CFG_CHANGED_WPS_STRING) {
4819 p2p_set_manufacturer(p2p, wpa_s->conf->manufacturer);
4820 p2p_set_model_name(p2p, wpa_s->conf->model_name);
4821 p2p_set_model_number(p2p, wpa_s->conf->model_number);
4822 p2p_set_serial_number(p2p, wpa_s->conf->serial_number);
4825 if (wpa_s->conf->changed_parameters & CFG_CHANGED_SEC_DEVICE_TYPE)
4826 p2p_set_sec_dev_types(p2p,
4827 (void *) wpa_s->conf->sec_device_type,
4828 wpa_s->conf->num_sec_device_types);
4830 if (wpa_s->conf->changed_parameters & CFG_CHANGED_VENDOR_EXTENSION) {
4832 p2p_remove_wps_vendor_extensions(p2p);
4833 for (i = 0; i < MAX_WPS_VENDOR_EXT; i++) {
4834 if (wpa_s->conf->wps_vendor_ext[i] == NULL)
4836 p2p_add_wps_vendor_extension(
4837 p2p, wpa_s->conf->wps_vendor_ext[i]);
4841 if ((wpa_s->conf->changed_parameters & CFG_CHANGED_COUNTRY) &&
4842 wpa_s->conf->country[0] && wpa_s->conf->country[1]) {
4844 country[0] = wpa_s->conf->country[0];
4845 country[1] = wpa_s->conf->country[1];
4847 p2p_set_country(p2p, country);
4850 if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_SSID_POSTFIX) {
4851 p2p_set_ssid_postfix(p2p, (u8 *) wpa_s->conf->p2p_ssid_postfix,
4852 wpa_s->conf->p2p_ssid_postfix ?
4853 os_strlen(wpa_s->conf->p2p_ssid_postfix) :
4857 if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_INTRA_BSS)
4858 p2p_set_intra_bss_dist(p2p, wpa_s->conf->p2p_intra_bss);
4860 if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_LISTEN_CHANNEL) {
4861 u8 reg_class, channel;
4864 if (wpa_s->conf->p2p_listen_reg_class &&
4865 wpa_s->conf->p2p_listen_channel) {
4866 reg_class = wpa_s->conf->p2p_listen_reg_class;
4867 channel = wpa_s->conf->p2p_listen_channel;
4871 * Pick one of the social channels randomly as the
4874 os_get_random((u8 *) &r, sizeof(r));
4875 channel = 1 + (r % 3) * 5;
4877 ret = p2p_set_listen_channel(p2p, reg_class, channel);
4879 wpa_printf(MSG_ERROR, "P2P: Own listen channel update "
4882 if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_OPER_CHANNEL) {
4883 u8 op_reg_class, op_channel, cfg_op_channel;
4886 if (wpa_s->conf->p2p_oper_reg_class &&
4887 wpa_s->conf->p2p_oper_channel) {
4888 op_reg_class = wpa_s->conf->p2p_oper_reg_class;
4889 op_channel = wpa_s->conf->p2p_oper_channel;
4894 * Use random operation channel from (1, 6, 11)
4895 *if no other preference is indicated.
4897 os_get_random((u8 *) &r, sizeof(r));
4898 op_channel = 1 + (r % 3) * 5;
4901 ret = p2p_set_oper_channel(p2p, op_reg_class, op_channel,
4904 wpa_printf(MSG_ERROR, "P2P: Own oper channel update "
4908 if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_PREF_CHAN) {
4909 if (p2p_set_pref_chan(p2p, wpa_s->conf->num_p2p_pref_chan,
4910 wpa_s->conf->p2p_pref_chan) < 0) {
4911 wpa_printf(MSG_ERROR, "P2P: Preferred channel list "
4918 int wpas_p2p_set_noa(struct wpa_supplicant *wpa_s, u8 count, int start,
4921 if (!wpa_s->ap_iface)
4923 return hostapd_p2p_set_noa(wpa_s->ap_iface->bss[0], count, start,
4928 int wpas_p2p_set_cross_connect(struct wpa_supplicant *wpa_s, int enabled)
4930 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
4932 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)
4935 wpa_s->global->cross_connection = enabled;
4936 p2p_set_cross_connect(wpa_s->global->p2p, enabled);
4939 struct wpa_supplicant *iface;
4941 for (iface = wpa_s->global->ifaces; iface; iface = iface->next)
4943 if (iface->cross_connect_enabled == 0)
4946 iface->cross_connect_enabled = 0;
4947 iface->cross_connect_in_use = 0;
4948 wpa_msg(iface->parent, MSG_INFO,
4949 P2P_EVENT_CROSS_CONNECT_DISABLE "%s %s",
4950 iface->ifname, iface->cross_connect_uplink);
4958 static void wpas_p2p_enable_cross_connect(struct wpa_supplicant *uplink)
4960 struct wpa_supplicant *iface;
4962 if (!uplink->global->cross_connection)
4965 for (iface = uplink->global->ifaces; iface; iface = iface->next) {
4966 if (!iface->cross_connect_enabled)
4968 if (os_strcmp(uplink->ifname, iface->cross_connect_uplink) !=
4971 if (iface->ap_iface == NULL)
4973 if (iface->cross_connect_in_use)
4976 iface->cross_connect_in_use = 1;
4977 wpa_msg(iface->parent, MSG_INFO,
4978 P2P_EVENT_CROSS_CONNECT_ENABLE "%s %s",
4979 iface->ifname, iface->cross_connect_uplink);
4984 static void wpas_p2p_disable_cross_connect(struct wpa_supplicant *uplink)
4986 struct wpa_supplicant *iface;
4988 for (iface = uplink->global->ifaces; iface; iface = iface->next) {
4989 if (!iface->cross_connect_enabled)
4991 if (os_strcmp(uplink->ifname, iface->cross_connect_uplink) !=
4994 if (!iface->cross_connect_in_use)
4997 wpa_msg(iface->parent, MSG_INFO,
4998 P2P_EVENT_CROSS_CONNECT_DISABLE "%s %s",
4999 iface->ifname, iface->cross_connect_uplink);
5000 iface->cross_connect_in_use = 0;
5005 void wpas_p2p_notif_connected(struct wpa_supplicant *wpa_s)
5007 if (wpa_s->ap_iface || wpa_s->current_ssid == NULL ||
5008 wpa_s->current_ssid->mode != WPAS_MODE_INFRA ||
5009 wpa_s->cross_connect_disallowed)
5010 wpas_p2p_disable_cross_connect(wpa_s);
5012 wpas_p2p_enable_cross_connect(wpa_s);
5013 if (!wpa_s->ap_iface &&
5014 eloop_cancel_timeout(wpas_p2p_group_idle_timeout, wpa_s, NULL) > 0)
5015 wpa_printf(MSG_DEBUG, "P2P: Cancelled P2P group idle timeout");
5019 void wpas_p2p_notif_disconnected(struct wpa_supplicant *wpa_s)
5021 wpas_p2p_disable_cross_connect(wpa_s);
5022 if (!wpa_s->ap_iface &&
5023 !eloop_is_timeout_registered(wpas_p2p_group_idle_timeout,
5025 wpas_p2p_set_group_idle_timeout(wpa_s);
5029 static void wpas_p2p_cross_connect_setup(struct wpa_supplicant *wpa_s)
5031 struct wpa_supplicant *iface;
5033 if (!wpa_s->global->cross_connection)
5036 for (iface = wpa_s->global->ifaces; iface; iface = iface->next) {
5039 if (iface->drv_flags &
5040 WPA_DRIVER_FLAGS_P2P_DEDICATED_INTERFACE)
5042 if (iface->drv_flags & WPA_DRIVER_FLAGS_P2P_CAPABLE)
5045 wpa_s->cross_connect_enabled = 1;
5046 os_strlcpy(wpa_s->cross_connect_uplink, iface->ifname,
5047 sizeof(wpa_s->cross_connect_uplink));
5048 wpa_printf(MSG_DEBUG, "P2P: Enable cross connection from "
5049 "%s to %s whenever uplink is available",
5050 wpa_s->ifname, wpa_s->cross_connect_uplink);
5052 if (iface->ap_iface || iface->current_ssid == NULL ||
5053 iface->current_ssid->mode != WPAS_MODE_INFRA ||
5054 iface->cross_connect_disallowed ||
5055 iface->wpa_state != WPA_COMPLETED)
5058 wpa_s->cross_connect_in_use = 1;
5059 wpa_msg(wpa_s->parent, MSG_INFO,
5060 P2P_EVENT_CROSS_CONNECT_ENABLE "%s %s",
5061 wpa_s->ifname, wpa_s->cross_connect_uplink);
5067 int wpas_p2p_notif_pbc_overlap(struct wpa_supplicant *wpa_s)
5069 if (wpa_s->p2p_group_interface != P2P_GROUP_INTERFACE_CLIENT &&
5070 !wpa_s->p2p_in_provisioning)
5071 return 0; /* not P2P client operation */
5073 wpa_printf(MSG_DEBUG, "P2P: Terminate connection due to WPS PBC "
5075 if (wpa_s != wpa_s->parent)
5076 wpa_msg_ctrl(wpa_s->parent, MSG_INFO, WPS_EVENT_OVERLAP);
5078 if (wpa_s->global->p2p)
5079 p2p_group_formation_failed(wpa_s->global->p2p);
5081 eloop_cancel_timeout(wpas_p2p_group_formation_timeout,
5082 wpa_s->parent, NULL);
5084 wpas_group_formation_completed(wpa_s, 0);
5089 void wpas_p2p_update_channel_list(struct wpa_supplicant *wpa_s)
5091 struct p2p_channels chan;
5093 if (wpa_s->global == NULL || wpa_s->global->p2p == NULL)
5096 os_memset(&chan, 0, sizeof(chan));
5097 if (wpas_p2p_setup_channels(wpa_s, &chan)) {
5098 wpa_printf(MSG_ERROR, "P2P: Failed to update supported "
5103 p2p_update_channel_list(wpa_s->global->p2p, &chan);
5107 int wpas_p2p_cancel(struct wpa_supplicant *wpa_s)
5109 struct wpa_global *global = wpa_s->global;
5113 if (global->p2p == NULL)
5116 wpa_printf(MSG_DEBUG, "P2P: Request to cancel group formation");
5118 if (wpa_s->pending_interface_name[0] &&
5119 !is_zero_ether_addr(wpa_s->pending_interface_addr))
5122 peer = p2p_get_go_neg_peer(global->p2p);
5124 wpa_printf(MSG_DEBUG, "P2P: Unauthorize pending GO Neg peer "
5125 MACSTR, MAC2STR(peer));
5126 p2p_unauthorize(global->p2p, peer);
5130 wpas_p2p_stop_find(wpa_s);
5132 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
5133 if (wpa_s == global->p2p_group_formation &&
5134 (wpa_s->p2p_in_provisioning ||
5135 wpa_s->parent->pending_interface_type ==
5136 WPA_IF_P2P_CLIENT)) {
5137 wpa_printf(MSG_DEBUG, "P2P: Interface %s in group "
5138 "formation found - cancelling",
5141 eloop_cancel_timeout(wpas_p2p_group_formation_timeout,
5142 wpa_s->parent, NULL);
5143 wpas_p2p_group_delete(wpa_s,
5144 P2P_GROUP_REMOVAL_REQUESTED);
5150 wpa_printf(MSG_DEBUG, "P2P: No ongoing group formation found");
5158 void wpas_p2p_interface_unavailable(struct wpa_supplicant *wpa_s)
5160 if (wpa_s->current_ssid == NULL || !wpa_s->current_ssid->p2p_group)
5163 wpa_printf(MSG_DEBUG, "P2P: Remove group due to driver resource not "
5164 "being available anymore");
5165 wpas_p2p_group_delete(wpa_s, P2P_GROUP_REMOVAL_UNAVAILABLE);
5169 void wpas_p2p_update_best_channels(struct wpa_supplicant *wpa_s,
5170 int freq_24, int freq_5, int freq_overall)
5172 struct p2p_data *p2p = wpa_s->global->p2p;
5173 if (p2p == NULL || (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT))
5175 p2p_set_best_channels(p2p, freq_24, freq_5, freq_overall);
5179 int wpas_p2p_unauthorize(struct wpa_supplicant *wpa_s, const char *addr)
5182 struct p2p_data *p2p = wpa_s->global->p2p;
5184 if (p2p == NULL || (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT))
5187 if (hwaddr_aton(addr, peer))
5190 return p2p_unauthorize(p2p, peer);
5195 * wpas_p2p_disconnect - Disconnect from a P2P Group
5196 * @wpa_s: Pointer to wpa_supplicant data
5197 * Returns: 0 on success, -1 on failure
5199 * This can be used to disconnect from a group in which the local end is a P2P
5200 * Client or to end a P2P Group in case the local end is the Group Owner. If a
5201 * virtual network interface was created for this group, that interface will be
5202 * removed. Otherwise, only the configured P2P group network will be removed
5203 * from the interface.
5205 int wpas_p2p_disconnect(struct wpa_supplicant *wpa_s)
5211 return wpas_p2p_group_delete(wpa_s, P2P_GROUP_REMOVAL_REQUESTED) < 0 ?
5216 int wpas_p2p_in_progress(struct wpa_supplicant *wpa_s)
5218 if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
5221 return p2p_in_progress(wpa_s->global->p2p);
5225 void wpas_p2p_network_removed(struct wpa_supplicant *wpa_s,
5226 struct wpa_ssid *ssid)
5228 if (wpa_s->p2p_in_provisioning && ssid->p2p_group &&
5229 eloop_cancel_timeout(wpas_p2p_group_formation_timeout,
5230 wpa_s->parent, NULL) > 0) {
5232 * Remove the network by scheduling the group formation
5233 * timeout to happen immediately. The teardown code
5234 * needs to be scheduled to run asynch later so that we
5235 * don't delete data from under ourselves unexpectedly.
5236 * Calling wpas_p2p_group_formation_timeout directly
5237 * causes a series of crashes in WPS failure scenarios.
5239 wpa_printf(MSG_DEBUG, "P2P: Canceled group formation due to "
5240 "P2P group network getting removed");
5241 eloop_register_timeout(0, 0, wpas_p2p_group_formation_timeout,
5242 wpa_s->parent, NULL);
5247 struct wpa_ssid * wpas_p2p_get_persistent(struct wpa_supplicant *wpa_s,
5248 const u8 *addr, const u8 *ssid,
5254 for (s = wpa_s->conf->ssid; s; s = s->next) {
5255 if (s->disabled != 2)
5258 (ssid_len != s->ssid_len ||
5259 os_memcmp(ssid, s->ssid, ssid_len) != 0))
5261 if (os_memcmp(s->bssid, addr, ETH_ALEN) == 0)
5262 return s; /* peer is GO in the persistent group */
5263 if (s->mode != WPAS_MODE_P2P_GO || s->p2p_client_list == NULL)
5265 for (i = 0; i < s->num_p2p_clients; i++) {
5266 if (os_memcmp(s->p2p_client_list + i * ETH_ALEN,
5267 addr, ETH_ALEN) == 0)
5268 return s; /* peer is P2P client in persistent
5277 void wpas_p2p_notify_ap_sta_authorized(struct wpa_supplicant *wpa_s,
5282 wpas_p2p_add_persistent_group_client(wpa_s, addr);
5286 static void wpas_p2p_fallback_to_go_neg(struct wpa_supplicant *wpa_s,
5289 struct wpa_supplicant *group = wpa_s;
5290 eloop_cancel_timeout(wpas_p2p_pd_before_join_timeout, wpa_s, NULL);
5291 if (wpa_s->global->p2p_group_formation)
5292 group = wpa_s->global->p2p_group_formation;
5293 wpa_s = wpa_s->parent;
5294 offchannel_send_action_done(wpa_s);
5296 wpas_p2p_group_delete(group, P2P_GROUP_REMOVAL_SILENT);
5297 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Fall back to GO Negotiation");
5298 wpas_p2p_connect(wpa_s, wpa_s->pending_join_dev_addr, wpa_s->p2p_pin,
5299 wpa_s->p2p_wps_method, wpa_s->p2p_persistent_group, 0,
5300 0, 0, wpa_s->p2p_go_intent, wpa_s->p2p_connect_freq,
5301 wpa_s->p2p_persistent_id,
5302 wpa_s->p2p_pd_before_go_neg,
5303 wpa_s->p2p_go_ht40);
5307 int wpas_p2p_scan_no_go_seen(struct wpa_supplicant *wpa_s)
5309 if (!wpa_s->p2p_fallback_to_go_neg ||
5310 wpa_s->p2p_in_provisioning <= 5)
5313 if (wpas_p2p_peer_go(wpa_s, wpa_s->pending_join_dev_addr) > 0)
5314 return 0; /* peer operating as a GO */
5316 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: GO not found for p2p_connect-auto - "
5317 "fallback to GO Negotiation");
5318 wpas_p2p_fallback_to_go_neg(wpa_s, 1);
5324 unsigned int wpas_p2p_search_delay(struct wpa_supplicant *wpa_s)
5326 const char *rn, *rn2;
5327 struct wpa_supplicant *ifs;
5329 if (wpa_s->wpa_state > WPA_SCANNING) {
5330 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Use %u ms search delay due to "
5331 "concurrent operation",
5332 P2P_CONCURRENT_SEARCH_DELAY);
5333 return P2P_CONCURRENT_SEARCH_DELAY;
5336 if (!wpa_s->driver->get_radio_name)
5338 rn = wpa_s->driver->get_radio_name(wpa_s->drv_priv);
5339 if (rn == NULL || rn[0] == '\0')
5342 for (ifs = wpa_s->global->ifaces; ifs; ifs = ifs->next) {
5343 if (ifs == wpa_s || !ifs->driver->get_radio_name)
5346 rn2 = ifs->driver->get_radio_name(ifs->drv_priv);
5347 if (!rn2 || os_strcmp(rn, rn2) != 0)
5350 /* We need not delay the p2p_scan if STA is already connected */
5351 if (ifs->wpa_state > WPA_SCANNING && ifs->wpa_state < WPA_COMPLETED) {
5353 if (ifs->wpa_state > WPA_SCANNING) {
5355 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Use %u ms search "
5356 "delay due to concurrent operation on "
5358 P2P_CONCURRENT_SEARCH_DELAY, ifs->ifname);
5359 return P2P_CONCURRENT_SEARCH_DELAY;
5367 int wpas_p2p_handle_frequency_conflicts(struct wpa_supplicant *wpa_s, int freq)
5369 struct wpa_supplicant *iface = NULL;
5370 struct p2p_data *p2p = wpa_s->global->p2p;
5372 for (iface = wpa_s->global->ifaces; iface; iface = iface->next) {
5373 if((iface->p2p_group_interface) && (iface->current_ssid) &&
5374 (iface->current_ssid->frequency != freq)) {
5376 if (iface->p2p_group_interface == P2P_GROUP_INTERFACE_GO) {
5377 /* Try to see whether we can move the GO. If it
5378 * is not possible, remove the GO interface
5380 if(wpa_drv_switch_channel(iface, freq) == 0) {
5381 wpa_printf(MSG_ERROR, "P2P: GO Moved to freq(%d)", freq);
5382 iface->current_ssid->frequency = freq;
5387 /* If GO cannot be moved or if the conflicting interface is a
5388 * P2P Client, remove the interface depending up on the connection
5390 if(!wpas_is_p2p_prioritized(wpa_s)) {
5391 /* STA connection has priority over existing
5392 * P2P connection. So remove the interface */
5393 wpa_printf(MSG_DEBUG, "P2P: Removing P2P connection due to Single channel"
5394 "concurrent mode frequency conflict");
5395 wpas_p2p_group_delete(iface, P2P_GROUP_REMOVAL_FREQ_CONFLICT);
5397 /* Existing connection has the priority. Disable the newly
5398 * selected network and let the application know about it.