2 * Copyright (c) 2009, Atheros Communications, Inc.
3 * Copyright (c) 2011-2013, Qualcomm Atheros, Inc.
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
14 #include "common/ieee802_11_common.h"
15 #include "common/ieee802_11_defs.h"
16 #include "common/gas.h"
17 #include "common/wpa_ctrl.h"
18 #include "rsn_supp/wpa.h"
19 #include "wpa_supplicant_i.h"
24 #include "blacklist.h"
25 #include "gas_query.h"
26 #include "interworking.h"
27 #include "hs20_supplicant.h"
30 #define OSU_MAX_ITEMS 10
32 struct osu_lang_string {
44 unsigned int failed:1;
49 u8 osu_ssid[SSID_MAX_LEN];
52 u32 osu_methods; /* bit 0 = OMA-DM, bit 1 = SOAP-XML SPP */
54 struct osu_lang_string friendly_name[OSU_MAX_ITEMS];
55 size_t friendly_name_count;
56 struct osu_lang_string serv_desc[OSU_MAX_ITEMS];
57 size_t serv_desc_count;
58 struct osu_icon icon[OSU_MAX_ITEMS];
63 void wpas_hs20_add_indication(struct wpabuf *buf, int pps_mo_id)
67 wpabuf_put_u8(buf, WLAN_EID_VENDOR_SPECIFIC);
68 wpabuf_put_u8(buf, pps_mo_id >= 0 ? 7 : 5);
69 wpabuf_put_be24(buf, OUI_WFA);
70 wpabuf_put_u8(buf, HS20_INDICATION_OUI_TYPE);
73 conf |= HS20_PPS_MO_ID_PRESENT;
74 wpabuf_put_u8(buf, conf);
76 wpabuf_put_le16(buf, pps_mo_id);
80 int is_hs20_network(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
83 if (!wpa_s->conf->hs20 || !ssid)
86 if (ssid->parent_cred)
89 if (bss && !wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE))
93 * This may catch some non-Hotspot 2.0 cases, but it is safer to do that
94 * than cause Hotspot 2.0 connections without indication element getting
95 * added. Non-Hotspot 2.0 APs should ignore the unknown vendor element.
98 if (!(ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X))
100 if (!(ssid->pairwise_cipher & WPA_CIPHER_CCMP))
102 if (ssid->proto != WPA_PROTO_RSN)
109 int hs20_get_pps_mo_id(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid)
111 struct wpa_cred *cred;
116 if (ssid->update_identifier)
117 return ssid->update_identifier;
119 if (ssid->parent_cred == NULL)
122 for (cred = wpa_s->conf->cred; cred; cred = cred->next) {
123 if (ssid->parent_cred == cred)
124 return cred->update_identifier;
131 void hs20_put_anqp_req(u32 stypes, const u8 *payload, size_t payload_len,
139 len_pos = gas_anqp_add_element(buf, ANQP_VENDOR_SPECIFIC);
140 wpabuf_put_be24(buf, OUI_WFA);
141 wpabuf_put_u8(buf, HS20_ANQP_OUI_TYPE);
142 if (stypes == BIT(HS20_STYPE_NAI_HOME_REALM_QUERY)) {
143 wpabuf_put_u8(buf, HS20_STYPE_NAI_HOME_REALM_QUERY);
144 wpabuf_put_u8(buf, 0); /* Reserved */
146 wpabuf_put_data(buf, payload, payload_len);
147 } else if (stypes == BIT(HS20_STYPE_ICON_REQUEST)) {
148 wpabuf_put_u8(buf, HS20_STYPE_ICON_REQUEST);
149 wpabuf_put_u8(buf, 0); /* Reserved */
151 wpabuf_put_data(buf, payload, payload_len);
154 wpabuf_put_u8(buf, HS20_STYPE_QUERY_LIST);
155 wpabuf_put_u8(buf, 0); /* Reserved */
156 for (i = 0; i < 32; i++) {
158 wpabuf_put_u8(buf, i);
161 gas_anqp_set_element_len(buf, len_pos);
163 gas_anqp_set_len(buf);
167 struct wpabuf * hs20_build_anqp_req(u32 stypes, const u8 *payload,
172 buf = gas_anqp_build_initial_req(0, 100 + payload_len);
176 hs20_put_anqp_req(stypes, payload, payload_len, buf);
182 int hs20_anqp_send_req(struct wpa_supplicant *wpa_s, const u8 *dst, u32 stypes,
183 const u8 *payload, size_t payload_len)
191 bss = wpa_bss_get_bssid(wpa_s, dst);
193 wpa_printf(MSG_WARNING,
194 "ANQP: Cannot send query to unknown BSS "
195 MACSTR, MAC2STR(dst));
199 wpa_bss_anqp_unshare_alloc(bss);
202 wpa_printf(MSG_DEBUG, "HS20: ANQP Query Request to " MACSTR " for "
203 "subtypes 0x%x", MAC2STR(dst), stypes);
205 buf = hs20_build_anqp_req(stypes, payload, payload_len);
209 res = gas_query_req(wpa_s->gas, dst, freq, buf, anqp_resp_cb, wpa_s);
211 wpa_printf(MSG_DEBUG, "ANQP: Failed to send Query Request");
215 wpa_printf(MSG_DEBUG, "ANQP: Query started with dialog token "
222 static void hs20_set_osu_access_permission(const char *osu_dir,
227 /* Get OSU directory information */
228 if (stat(osu_dir, &statbuf) < 0) {
229 wpa_printf(MSG_WARNING, "Cannot stat the OSU directory %s",
234 if (chmod(fname, statbuf.st_mode) < 0) {
235 wpa_printf(MSG_WARNING,
236 "Cannot change the permissions for %s", fname);
240 if (chown(fname, statbuf.st_uid, statbuf.st_gid) < 0) {
241 wpa_printf(MSG_WARNING, "Cannot change the ownership for %s",
246 static int hs20_process_icon_binary_file(struct wpa_supplicant *wpa_s,
247 const u8 *sa, const u8 *pos,
255 wpa_msg(wpa_s, MSG_INFO, "RX-HS20-ANQP " MACSTR " Icon Binary File",
259 wpa_dbg(wpa_s, MSG_DEBUG, "HS 2.0: Too short Icon Binary File "
260 "value from " MACSTR, MAC2STR(sa));
264 wpa_printf(MSG_DEBUG, "HS 2.0: Download Status Code %u", *pos);
270 if ((size_t) 1 + pos[0] > slen) {
271 wpa_dbg(wpa_s, MSG_DEBUG, "HS 2.0: Too short Icon Binary File "
272 "value from " MACSTR, MAC2STR(sa));
275 wpa_hexdump_ascii(MSG_DEBUG, "Icon Type", pos + 1, pos[0]);
276 png = os_strncasecmp((char *) pos + 1, "image/png", 9) == 0;
281 wpa_dbg(wpa_s, MSG_DEBUG, "HS 2.0: Too short Icon Binary File "
282 "value from " MACSTR, MAC2STR(sa));
285 data_len = WPA_GET_LE16(pos);
289 if (data_len > slen) {
290 wpa_dbg(wpa_s, MSG_DEBUG, "HS 2.0: Too short Icon Binary File "
291 "value from " MACSTR, MAC2STR(sa));
295 wpa_printf(MSG_DEBUG, "Icon Binary Data: %u bytes", data_len);
296 if (wpa_s->conf->osu_dir == NULL)
299 wpa_s->osu_icon_id++;
300 if (wpa_s->osu_icon_id == 0)
301 wpa_s->osu_icon_id++;
302 snprintf(fname, sizeof(fname), "%s/osu-icon-%u.%s",
303 wpa_s->conf->osu_dir, wpa_s->osu_icon_id,
304 png ? "png" : "icon");
305 f = fopen(fname, "wb");
309 hs20_set_osu_access_permission(wpa_s->conf->osu_dir, fname);
311 if (fwrite(pos, slen, 1, f) != 1) {
318 wpa_msg(wpa_s, MSG_INFO, "RX-HS20-ANQP-ICON %s", fname);
323 static void hs20_continue_icon_fetch(void *eloop_ctx, void *sock_ctx)
325 struct wpa_supplicant *wpa_s = eloop_ctx;
326 if (wpa_s->fetch_osu_icon_in_progress)
327 hs20_next_osu_icon(wpa_s);
331 static void hs20_osu_icon_fetch_result(struct wpa_supplicant *wpa_s, int res)
334 struct os_reltime now, tmp;
337 os_get_reltime(&now);
338 os_reltime_sub(&now, &wpa_s->osu_icon_fetch_start, &tmp);
339 dur = tmp.sec * 1000 + tmp.usec / 1000;
340 wpa_printf(MSG_DEBUG, "HS 2.0: Icon fetch dur=%d ms res=%d",
343 for (i = 0; i < wpa_s->osu_prov_count; i++) {
344 struct osu_provider *osu = &wpa_s->osu_prov[i];
345 for (j = 0; j < osu->icon_count; j++) {
346 struct osu_icon *icon = &osu->icon[j];
347 if (icon->id || icon->failed)
352 icon->id = wpa_s->osu_icon_id;
359 void hs20_parse_rx_hs20_anqp_resp(struct wpa_supplicant *wpa_s,
360 struct wpa_bss *bss, const u8 *sa,
361 const u8 *data, size_t slen)
363 const u8 *pos = data;
365 struct wpa_bss_anqp *anqp = NULL;
377 pos++; /* Reserved */
381 case HS20_STYPE_CAPABILITY_LIST:
382 wpa_msg(wpa_s, MSG_INFO, "RX-HS20-ANQP " MACSTR
383 " HS Capability List", MAC2STR(sa));
384 wpa_hexdump_ascii(MSG_DEBUG, "HS Capability List", pos, slen);
386 wpabuf_free(anqp->hs20_capability_list);
387 anqp->hs20_capability_list =
388 wpabuf_alloc_copy(pos, slen);
391 case HS20_STYPE_OPERATOR_FRIENDLY_NAME:
392 wpa_msg(wpa_s, MSG_INFO, "RX-HS20-ANQP " MACSTR
393 " Operator Friendly Name", MAC2STR(sa));
394 wpa_hexdump_ascii(MSG_DEBUG, "oper friendly name", pos, slen);
396 wpabuf_free(anqp->hs20_operator_friendly_name);
397 anqp->hs20_operator_friendly_name =
398 wpabuf_alloc_copy(pos, slen);
401 case HS20_STYPE_WAN_METRICS:
402 wpa_hexdump(MSG_DEBUG, "WAN Metrics", pos, slen);
404 wpa_dbg(wpa_s, MSG_DEBUG, "HS 2.0: Too short WAN "
405 "Metrics value from " MACSTR, MAC2STR(sa));
408 wpa_msg(wpa_s, MSG_INFO, "RX-HS20-ANQP " MACSTR
409 " WAN Metrics %02x:%u:%u:%u:%u:%u", MAC2STR(sa),
410 pos[0], WPA_GET_LE32(pos + 1), WPA_GET_LE32(pos + 5),
411 pos[9], pos[10], WPA_GET_LE16(pos + 11));
413 wpabuf_free(anqp->hs20_wan_metrics);
414 anqp->hs20_wan_metrics = wpabuf_alloc_copy(pos, slen);
417 case HS20_STYPE_CONNECTION_CAPABILITY:
418 wpa_msg(wpa_s, MSG_INFO, "RX-HS20-ANQP " MACSTR
419 " Connection Capability", MAC2STR(sa));
420 wpa_hexdump_ascii(MSG_DEBUG, "conn capability", pos, slen);
422 wpabuf_free(anqp->hs20_connection_capability);
423 anqp->hs20_connection_capability =
424 wpabuf_alloc_copy(pos, slen);
427 case HS20_STYPE_OPERATING_CLASS:
428 wpa_msg(wpa_s, MSG_INFO, "RX-HS20-ANQP " MACSTR
429 " Operating Class", MAC2STR(sa));
430 wpa_hexdump_ascii(MSG_DEBUG, "Operating Class", pos, slen);
432 wpabuf_free(anqp->hs20_operating_class);
433 anqp->hs20_operating_class =
434 wpabuf_alloc_copy(pos, slen);
437 case HS20_STYPE_OSU_PROVIDERS_LIST:
438 wpa_msg(wpa_s, MSG_INFO, "RX-HS20-ANQP " MACSTR
439 " OSU Providers list", MAC2STR(sa));
440 wpa_s->num_prov_found++;
442 wpabuf_free(anqp->hs20_osu_providers_list);
443 anqp->hs20_osu_providers_list =
444 wpabuf_alloc_copy(pos, slen);
447 case HS20_STYPE_ICON_BINARY_FILE:
448 ret = hs20_process_icon_binary_file(wpa_s, sa, pos, slen);
449 if (wpa_s->fetch_osu_icon_in_progress) {
450 hs20_osu_icon_fetch_result(wpa_s, ret);
451 eloop_cancel_timeout(hs20_continue_icon_fetch,
453 eloop_register_timeout(0, 0, hs20_continue_icon_fetch,
458 wpa_printf(MSG_DEBUG, "HS20: Unsupported subtype %u", subtype);
464 void hs20_notify_parse_done(struct wpa_supplicant *wpa_s)
466 if (!wpa_s->fetch_osu_icon_in_progress)
468 if (eloop_is_timeout_registered(hs20_continue_icon_fetch, wpa_s, NULL))
471 * We are going through icon fetch, but no icon response was received.
472 * Assume this means the current AP could not provide an answer to avoid
473 * getting stuck in fetch iteration.
475 hs20_icon_fetch_failed(wpa_s);
479 static void hs20_free_osu_prov_entry(struct osu_provider *prov)
484 void hs20_free_osu_prov(struct wpa_supplicant *wpa_s)
487 for (i = 0; i < wpa_s->osu_prov_count; i++)
488 hs20_free_osu_prov_entry(&wpa_s->osu_prov[i]);
489 os_free(wpa_s->osu_prov);
490 wpa_s->osu_prov = NULL;
491 wpa_s->osu_prov_count = 0;
495 static void hs20_osu_fetch_done(struct wpa_supplicant *wpa_s)
501 wpa_s->fetch_osu_info = 0;
502 wpa_s->fetch_osu_icon_in_progress = 0;
504 if (wpa_s->conf->osu_dir == NULL) {
505 hs20_free_osu_prov(wpa_s);
506 wpa_s->fetch_anqp_in_progress = 0;
510 snprintf(fname, sizeof(fname), "%s/osu-providers.txt",
511 wpa_s->conf->osu_dir);
512 f = fopen(fname, "w");
514 hs20_free_osu_prov(wpa_s);
518 hs20_set_osu_access_permission(wpa_s->conf->osu_dir, fname);
520 for (i = 0; i < wpa_s->osu_prov_count; i++) {
521 struct osu_provider *osu = &wpa_s->osu_prov[i];
524 fprintf(f, "OSU-PROVIDER " MACSTR "\n"
527 MAC2STR(osu->bssid), osu->server_uri, osu->osu_methods);
528 if (osu->osu_ssid_len) {
529 fprintf(f, "osu_ssid=%s\n",
530 wpa_ssid_txt(osu->osu_ssid,
534 fprintf(f, "osu_nai=%s\n", osu->osu_nai);
535 for (j = 0; j < osu->friendly_name_count; j++) {
536 fprintf(f, "friendly_name=%s:%s\n",
537 osu->friendly_name[j].lang,
538 osu->friendly_name[j].text);
540 for (j = 0; j < osu->serv_desc_count; j++) {
541 fprintf(f, "desc=%s:%s\n",
542 osu->serv_desc[j].lang,
543 osu->serv_desc[j].text);
545 for (j = 0; j < osu->icon_count; j++) {
546 struct osu_icon *icon = &osu->icon[j];
548 continue; /* could not fetch icon */
549 fprintf(f, "icon=%u:%u:%u:%s:%s:%s\n",
550 icon->id, icon->width, icon->height, icon->lang,
551 icon->icon_type, icon->filename);
555 hs20_free_osu_prov(wpa_s);
557 wpa_msg(wpa_s, MSG_INFO, "OSU provider fetch completed");
558 wpa_s->fetch_anqp_in_progress = 0;
562 void hs20_next_osu_icon(struct wpa_supplicant *wpa_s)
566 wpa_printf(MSG_DEBUG, "HS 2.0: Ready to fetch next icon");
568 for (i = 0; i < wpa_s->osu_prov_count; i++) {
569 struct osu_provider *osu = &wpa_s->osu_prov[i];
570 for (j = 0; j < osu->icon_count; j++) {
571 struct osu_icon *icon = &osu->icon[j];
572 if (icon->id || icon->failed)
575 wpa_printf(MSG_DEBUG, "HS 2.0: Try to fetch icon '%s' "
576 "from " MACSTR, icon->filename,
577 MAC2STR(osu->bssid));
578 os_get_reltime(&wpa_s->osu_icon_fetch_start);
579 if (hs20_anqp_send_req(wpa_s, osu->bssid,
580 BIT(HS20_STYPE_ICON_REQUEST),
581 (u8 *) icon->filename,
582 os_strlen(icon->filename)) < 0) {
590 wpa_printf(MSG_DEBUG, "HS 2.0: No more icons to fetch");
591 hs20_osu_fetch_done(wpa_s);
595 static void hs20_osu_add_prov(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
596 const u8 *osu_ssid, u8 osu_ssid_len,
597 const u8 *pos, size_t len)
599 struct osu_provider *prov;
600 const u8 *end = pos + len;
603 u8 uri_len, osu_method_len, osu_nai_len;
605 wpa_hexdump(MSG_DEBUG, "HS 2.0: Parsing OSU Provider", pos, len);
606 prov = os_realloc_array(wpa_s->osu_prov,
607 wpa_s->osu_prov_count + 1,
611 wpa_s->osu_prov = prov;
612 prov = &prov[wpa_s->osu_prov_count];
613 os_memset(prov, 0, sizeof(*prov));
615 os_memcpy(prov->bssid, bss->bssid, ETH_ALEN);
616 os_memcpy(prov->osu_ssid, osu_ssid, osu_ssid_len);
617 prov->osu_ssid_len = osu_ssid_len;
619 /* OSU Friendly Name Length */
621 wpa_printf(MSG_DEBUG, "HS 2.0: Not enough room for OSU "
622 "Friendly Name Length");
625 len2 = WPA_GET_LE16(pos);
627 if (len2 > end - pos) {
628 wpa_printf(MSG_DEBUG, "HS 2.0: Not enough room for OSU "
629 "Friendly Name Duples");
635 /* OSU Friendly Name Duples */
636 while (pos2 + 4 <= pos && prov->friendly_name_count < OSU_MAX_ITEMS) {
637 struct osu_lang_string *f;
638 if (pos2 + 1 + pos2[0] > pos || pos2[0] < 3) {
639 wpa_printf(MSG_DEBUG, "Invalid OSU Friendly Name");
642 f = &prov->friendly_name[prov->friendly_name_count++];
643 os_memcpy(f->lang, pos2 + 1, 3);
644 os_memcpy(f->text, pos2 + 1 + 3, pos2[0] - 3);
650 wpa_printf(MSG_DEBUG,
651 "HS 2.0: Not enough room for OSU Server URI length");
655 if (uri_len > end - pos) {
656 wpa_printf(MSG_DEBUG, "HS 2.0: Not enough room for OSU Server "
660 os_memcpy(prov->server_uri, pos, uri_len);
663 /* OSU Method list */
665 wpa_printf(MSG_DEBUG, "HS 2.0: Not enough room for OSU Method "
669 osu_method_len = pos[0];
670 if (osu_method_len > end - pos - 1) {
671 wpa_printf(MSG_DEBUG, "HS 2.0: Not enough room for OSU Method "
676 pos += 1 + osu_method_len;
679 prov->osu_methods |= BIT(*pos2);
683 /* Icons Available Length */
685 wpa_printf(MSG_DEBUG, "HS 2.0: Not enough room for Icons "
689 len2 = WPA_GET_LE16(pos);
691 if (len2 > end - pos) {
692 wpa_printf(MSG_DEBUG, "HS 2.0: Not enough room for Icons "
699 /* Icons Available */
701 struct osu_icon *icon = &prov->icon[prov->icon_count];
704 if (pos2 + 2 + 2 + 3 + 1 + 1 > pos) {
705 wpa_printf(MSG_DEBUG, "HS 2.0: Invalid Icon Metadata");
709 icon->width = WPA_GET_LE16(pos2);
711 icon->height = WPA_GET_LE16(pos2);
713 os_memcpy(icon->lang, pos2, 3);
717 if (flen > pos - pos2 - 1) {
718 wpa_printf(MSG_DEBUG, "HS 2.0: Not room for Icon Type");
721 os_memcpy(icon->icon_type, pos2 + 1, flen);
724 if (pos2 + 1 > pos) {
725 wpa_printf(MSG_DEBUG, "HS 2.0: Not room for Icon "
730 if (flen > pos - pos2 - 1) {
731 wpa_printf(MSG_DEBUG, "HS 2.0: Not room for Icon "
735 os_memcpy(icon->filename, pos2 + 1, flen);
743 wpa_printf(MSG_DEBUG, "HS 2.0: Not enough room for OSU_NAI");
746 osu_nai_len = pos[0];
747 if (osu_nai_len > end - pos - 1) {
748 wpa_printf(MSG_DEBUG, "HS 2.0: Not enough room for OSU_NAI");
751 os_memcpy(prov->osu_nai, pos + 1, osu_nai_len);
752 pos += 1 + osu_nai_len;
754 /* OSU Service Description Length */
756 wpa_printf(MSG_DEBUG, "HS 2.0: Not enough room for OSU "
757 "Service Description Length");
760 len2 = WPA_GET_LE16(pos);
762 if (len2 > end - pos) {
763 wpa_printf(MSG_DEBUG, "HS 2.0: Not enough room for OSU "
764 "Service Description Duples");
770 /* OSU Service Description Duples */
771 while (pos2 + 4 <= pos && prov->serv_desc_count < OSU_MAX_ITEMS) {
772 struct osu_lang_string *f;
776 if (descr_len > pos - pos2 - 1 || descr_len < 3) {
777 wpa_printf(MSG_DEBUG, "Invalid OSU Service "
781 f = &prov->serv_desc[prov->serv_desc_count++];
782 os_memcpy(f->lang, pos2 + 1, 3);
783 os_memcpy(f->text, pos2 + 1 + 3, descr_len - 3);
784 pos2 += 1 + descr_len;
787 wpa_printf(MSG_DEBUG, "HS 2.0: Added OSU Provider through " MACSTR,
788 MAC2STR(bss->bssid));
789 wpa_s->osu_prov_count++;
793 void hs20_osu_icon_fetch(struct wpa_supplicant *wpa_s)
796 struct wpabuf *prov_anqp;
803 hs20_free_osu_prov(wpa_s);
805 dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
806 if (bss->anqp == NULL)
808 prov_anqp = bss->anqp->hs20_osu_providers_list;
809 if (prov_anqp == NULL)
811 wpa_printf(MSG_DEBUG, "HS 2.0: Parsing OSU Providers list from "
812 MACSTR, MAC2STR(bss->bssid));
813 wpa_hexdump_buf(MSG_DEBUG, "HS 2.0: OSU Providers list",
815 pos = wpabuf_head(prov_anqp);
816 end = pos + wpabuf_len(prov_anqp);
821 if (pos + 1 + pos[0] > end) {
822 wpa_printf(MSG_DEBUG, "HS 2.0: Not enough room for "
826 osu_ssid_len = *pos++;
827 if (osu_ssid_len > SSID_MAX_LEN) {
828 wpa_printf(MSG_DEBUG, "HS 2.0: Invalid OSU SSID "
829 "Length %u", osu_ssid_len);
836 wpa_printf(MSG_DEBUG, "HS 2.0: Not enough room for "
837 "Number of OSU Providers");
840 num_providers = *pos++;
841 wpa_printf(MSG_DEBUG, "HS 2.0: Number of OSU Providers: %u",
845 while (pos + 2 < end && num_providers > 0) {
847 len = WPA_GET_LE16(pos);
849 if (len > (unsigned int) (end - pos))
851 hs20_osu_add_prov(wpa_s, bss, osu_ssid,
852 osu_ssid_len, pos, len);
857 wpa_printf(MSG_DEBUG, "HS 2.0: Ignored %d bytes of "
858 "extra data after OSU Providers",
863 wpa_s->fetch_osu_icon_in_progress = 1;
864 hs20_next_osu_icon(wpa_s);
868 static void hs20_osu_scan_res_handler(struct wpa_supplicant *wpa_s,
869 struct wpa_scan_results *scan_res)
871 wpa_printf(MSG_DEBUG, "OSU provisioning fetch scan completed");
872 if (!wpa_s->fetch_osu_waiting_scan) {
873 wpa_printf(MSG_DEBUG, "OSU fetch have been canceled");
876 wpa_s->network_select = 0;
877 wpa_s->fetch_all_anqp = 1;
878 wpa_s->fetch_osu_info = 1;
879 wpa_s->fetch_osu_icon_in_progress = 0;
881 interworking_start_fetch_anqp(wpa_s);
885 int hs20_fetch_osu(struct wpa_supplicant *wpa_s)
887 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
888 wpa_printf(MSG_DEBUG, "HS 2.0: Cannot start fetch_osu - "
889 "interface disabled");
893 if (wpa_s->scanning) {
894 wpa_printf(MSG_DEBUG, "HS 2.0: Cannot start fetch_osu - "
899 if (wpa_s->conf->osu_dir == NULL) {
900 wpa_printf(MSG_DEBUG, "HS 2.0: Cannot start fetch_osu - "
901 "osu_dir not configured");
905 if (wpa_s->fetch_anqp_in_progress || wpa_s->network_select) {
906 wpa_printf(MSG_DEBUG, "HS 2.0: Cannot start fetch_osu - "
907 "fetch in progress (%d, %d)",
908 wpa_s->fetch_anqp_in_progress,
909 wpa_s->network_select);
913 wpa_msg(wpa_s, MSG_INFO, "Starting OSU provisioning information fetch");
914 wpa_s->num_osu_scans = 0;
915 wpa_s->num_prov_found = 0;
916 hs20_start_osu_scan(wpa_s);
922 void hs20_start_osu_scan(struct wpa_supplicant *wpa_s)
924 wpa_s->fetch_osu_waiting_scan = 1;
925 wpa_s->num_osu_scans++;
926 wpa_s->scan_req = MANUAL_SCAN_REQ;
927 wpa_s->scan_res_handler = hs20_osu_scan_res_handler;
928 wpa_supplicant_req_scan(wpa_s, 0, 0);
932 void hs20_cancel_fetch_osu(struct wpa_supplicant *wpa_s)
934 wpa_printf(MSG_DEBUG, "Cancel OSU fetch");
935 interworking_stop_fetch_anqp(wpa_s);
936 wpa_s->fetch_osu_waiting_scan = 0;
937 wpa_s->network_select = 0;
938 wpa_s->fetch_osu_info = 0;
939 wpa_s->fetch_osu_icon_in_progress = 0;
943 void hs20_icon_fetch_failed(struct wpa_supplicant *wpa_s)
945 hs20_osu_icon_fetch_result(wpa_s, -1);
946 eloop_cancel_timeout(hs20_continue_icon_fetch, wpa_s, NULL);
947 eloop_register_timeout(0, 0, hs20_continue_icon_fetch, wpa_s, NULL);
951 void hs20_rx_subscription_remediation(struct wpa_supplicant *wpa_s,
952 const char *url, u8 osu_method)
955 wpa_msg(wpa_s, MSG_INFO, HS20_SUBSCRIPTION_REMEDIATION "%u %s",
958 wpa_msg(wpa_s, MSG_INFO, HS20_SUBSCRIPTION_REMEDIATION);
962 void hs20_rx_deauth_imminent_notice(struct wpa_supplicant *wpa_s, u8 code,
963 u16 reauth_delay, const char *url)
965 if (!wpa_sm_pmf_enabled(wpa_s->wpa)) {
966 wpa_printf(MSG_DEBUG, "HS 2.0: Ignore deauthentication imminent notice since PMF was not enabled");
970 wpa_msg(wpa_s, MSG_INFO, HS20_DEAUTH_IMMINENT_NOTICE "%u %u %s",
971 code, reauth_delay, url);
973 if (code == HS20_DEAUTH_REASON_CODE_BSS) {
974 wpa_printf(MSG_DEBUG, "HS 2.0: Add BSS to blacklist");
975 wpa_blacklist_add(wpa_s, wpa_s->bssid);
976 /* TODO: For now, disable full ESS since some drivers may not
977 * support disabling per BSS. */
978 if (wpa_s->current_ssid) {
979 struct os_reltime now;
980 os_get_reltime(&now);
981 if (now.sec + reauth_delay <=
982 wpa_s->current_ssid->disabled_until.sec)
984 wpa_printf(MSG_DEBUG, "HS 2.0: Disable network for %u seconds (BSS)",
986 wpa_s->current_ssid->disabled_until.sec =
987 now.sec + reauth_delay;
991 if (code == HS20_DEAUTH_REASON_CODE_ESS && wpa_s->current_ssid) {
992 struct os_reltime now;
993 os_get_reltime(&now);
994 if (now.sec + reauth_delay <=
995 wpa_s->current_ssid->disabled_until.sec)
997 wpa_printf(MSG_DEBUG, "HS 2.0: Disable network for %u seconds",
999 wpa_s->current_ssid->disabled_until.sec =
1000 now.sec + reauth_delay;
1005 void hs20_deinit(struct wpa_supplicant *wpa_s)
1007 eloop_cancel_timeout(hs20_continue_icon_fetch, wpa_s, NULL);
1008 hs20_free_osu_prov(wpa_s);