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"
31 #define OSU_MAX_ITEMS 10
33 struct osu_lang_string
{
45 unsigned int failed
:1;
50 u8 osu_ssid
[SSID_MAX_LEN
];
53 u32 osu_methods
; /* bit 0 = OMA-DM, bit 1 = SOAP-XML SPP */
55 struct osu_lang_string friendly_name
[OSU_MAX_ITEMS
];
56 size_t friendly_name_count
;
57 struct osu_lang_string serv_desc
[OSU_MAX_ITEMS
];
58 size_t serv_desc_count
;
59 struct osu_icon icon
[OSU_MAX_ITEMS
];
64 void hs20_configure_frame_filters(struct wpa_supplicant
*wpa_s
)
66 struct wpa_bss
*bss
= wpa_s
->current_bss
;
67 u8
*bssid
= wpa_s
->bssid
;
72 if (!bss
|| !is_hs20_network(wpa_s
, wpa_s
->current_ssid
, bss
)) {
74 "Not configuring frame filtering - BSS " MACSTR
75 " is not a Hotspot 2.0 network", MAC2STR(bssid
));
79 ie
= wpa_bss_get_vendor_ie(bss
, HS20_IE_VENDOR_TYPE
);
81 /* Check if DGAF disabled bit is zero (5th byte in the IE) */
84 "Not configuring frame filtering - Can't extract DGAF bit");
85 else if (!(ie
[6] & HS20_DGAF_DISABLED
))
86 filter
|= WPA_DATA_FRAME_FILTER_FLAG_GTK
;
88 ext_capa
= wpa_bss_get_ie(bss
, WLAN_EID_EXT_CAPAB
);
89 if (!ext_capa
|| ext_capa
[1] < 2) {
91 "Not configuring frame filtering - Can't extract Proxy ARP bit");
95 /* Check if Proxy ARP is enabled (2nd byte in the IE) */
96 if (ext_capa
[3] & BIT(4))
97 filter
|= WPA_DATA_FRAME_FILTER_FLAG_ARP
|
98 WPA_DATA_FRAME_FILTER_FLAG_NA
;
100 wpa_drv_configure_frame_filters(wpa_s
, filter
);
104 void wpas_hs20_add_indication(struct wpabuf
*buf
, int pps_mo_id
)
108 wpabuf_put_u8(buf
, WLAN_EID_VENDOR_SPECIFIC
);
109 wpabuf_put_u8(buf
, pps_mo_id
>= 0 ? 7 : 5);
110 wpabuf_put_be24(buf
, OUI_WFA
);
111 wpabuf_put_u8(buf
, HS20_INDICATION_OUI_TYPE
);
114 conf
|= HS20_PPS_MO_ID_PRESENT
;
115 wpabuf_put_u8(buf
, conf
);
117 wpabuf_put_le16(buf
, pps_mo_id
);
121 int is_hs20_network(struct wpa_supplicant
*wpa_s
, struct wpa_ssid
*ssid
,
124 if (!wpa_s
->conf
->hs20
|| !ssid
)
127 if (ssid
->parent_cred
)
130 if (bss
&& !wpa_bss_get_vendor_ie(bss
, HS20_IE_VENDOR_TYPE
))
134 * This may catch some non-Hotspot 2.0 cases, but it is safer to do that
135 * than cause Hotspot 2.0 connections without indication element getting
136 * added. Non-Hotspot 2.0 APs should ignore the unknown vendor element.
139 if (!(ssid
->key_mgmt
& WPA_KEY_MGMT_IEEE8021X
))
141 if (!(ssid
->pairwise_cipher
& WPA_CIPHER_CCMP
))
143 if (ssid
->proto
!= WPA_PROTO_RSN
)
150 int hs20_get_pps_mo_id(struct wpa_supplicant
*wpa_s
, struct wpa_ssid
*ssid
)
152 struct wpa_cred
*cred
;
157 if (ssid
->update_identifier
)
158 return ssid
->update_identifier
;
160 if (ssid
->parent_cred
== NULL
)
163 for (cred
= wpa_s
->conf
->cred
; cred
; cred
= cred
->next
) {
164 if (ssid
->parent_cred
== cred
)
165 return cred
->update_identifier
;
172 void hs20_put_anqp_req(u32 stypes
, const u8
*payload
, size_t payload_len
,
180 len_pos
= gas_anqp_add_element(buf
, ANQP_VENDOR_SPECIFIC
);
181 wpabuf_put_be24(buf
, OUI_WFA
);
182 wpabuf_put_u8(buf
, HS20_ANQP_OUI_TYPE
);
183 if (stypes
== BIT(HS20_STYPE_NAI_HOME_REALM_QUERY
)) {
184 wpabuf_put_u8(buf
, HS20_STYPE_NAI_HOME_REALM_QUERY
);
185 wpabuf_put_u8(buf
, 0); /* Reserved */
187 wpabuf_put_data(buf
, payload
, payload_len
);
188 } else if (stypes
== BIT(HS20_STYPE_ICON_REQUEST
)) {
189 wpabuf_put_u8(buf
, HS20_STYPE_ICON_REQUEST
);
190 wpabuf_put_u8(buf
, 0); /* Reserved */
192 wpabuf_put_data(buf
, payload
, payload_len
);
195 wpabuf_put_u8(buf
, HS20_STYPE_QUERY_LIST
);
196 wpabuf_put_u8(buf
, 0); /* Reserved */
197 for (i
= 0; i
< 32; i
++) {
199 wpabuf_put_u8(buf
, i
);
202 gas_anqp_set_element_len(buf
, len_pos
);
204 gas_anqp_set_len(buf
);
208 static struct wpabuf
* hs20_build_anqp_req(u32 stypes
, const u8
*payload
,
213 buf
= gas_anqp_build_initial_req(0, 100 + payload_len
);
217 hs20_put_anqp_req(stypes
, payload
, payload_len
, buf
);
223 int hs20_anqp_send_req(struct wpa_supplicant
*wpa_s
, const u8
*dst
, u32 stypes
,
224 const u8
*payload
, size_t payload_len
, int inmem
)
231 struct icon_entry
*icon_entry
;
233 bss
= wpa_bss_get_bssid(wpa_s
, dst
);
235 wpa_printf(MSG_WARNING
,
236 "ANQP: Cannot send query to unknown BSS "
237 MACSTR
, MAC2STR(dst
));
241 wpa_bss_anqp_unshare_alloc(bss
);
244 wpa_printf(MSG_DEBUG
, "HS20: ANQP Query Request to " MACSTR
" for "
245 "subtypes 0x%x", MAC2STR(dst
), stypes
);
247 buf
= hs20_build_anqp_req(stypes
, payload
, payload_len
);
251 res
= gas_query_req(wpa_s
->gas
, dst
, freq
, buf
, anqp_resp_cb
, wpa_s
);
253 wpa_printf(MSG_DEBUG
, "ANQP: Failed to send Query Request");
257 wpa_printf(MSG_DEBUG
, "ANQP: Query started with dialog token "
261 icon_entry
= os_zalloc(sizeof(struct icon_entry
));
264 os_memcpy(icon_entry
->bssid
, dst
, ETH_ALEN
);
265 icon_entry
->file_name
= os_malloc(payload_len
+ 1);
266 if (!icon_entry
->file_name
) {
270 os_memcpy(icon_entry
->file_name
, payload
, payload_len
);
271 icon_entry
->file_name
[payload_len
] = '\0';
272 icon_entry
->dialog_token
= res
;
274 dl_list_add(&wpa_s
->icon_head
, &icon_entry
->list
);
281 static struct icon_entry
* hs20_find_icon(struct wpa_supplicant
*wpa_s
,
283 const char *file_name
)
285 struct icon_entry
*icon
;
287 dl_list_for_each(icon
, &wpa_s
->icon_head
, struct icon_entry
, list
) {
288 if (os_memcmp(icon
->bssid
, bssid
, ETH_ALEN
) == 0 &&
289 os_strcmp(icon
->file_name
, file_name
) == 0 && icon
->image
)
297 int hs20_get_icon(struct wpa_supplicant
*wpa_s
, const u8
*bssid
,
298 const char *file_name
, size_t offset
, size_t size
,
299 char *reply
, size_t buf_len
)
301 struct icon_entry
*icon
;
307 wpa_printf(MSG_DEBUG
, "HS20: Get icon " MACSTR
" %s @ %u +%u (%u)",
308 MAC2STR(bssid
), file_name
, (unsigned int) offset
,
309 (unsigned int) size
, (unsigned int) buf_len
);
311 icon
= hs20_find_icon(wpa_s
, bssid
, file_name
);
312 if (!icon
|| !icon
->image
|| offset
>= icon
->image_len
)
314 if (size
> icon
->image_len
- offset
)
315 size
= icon
->image_len
- offset
;
316 out_size
= buf_len
- 3 /* max base64 padding */;
317 if (size
* 4 > out_size
* 3)
318 size
= out_size
* 3 / 4;
322 b64
= base64_encode(&icon
->image
[offset
], size
, &b64_size
);
323 if (b64
&& buf_len
>= b64_size
) {
324 os_memcpy(reply
, b64
, b64_size
);
325 reply_size
= b64_size
;
334 static void hs20_free_icon_entry(struct icon_entry
*icon
)
336 wpa_printf(MSG_DEBUG
, "HS20: Free stored icon from " MACSTR
337 " dialog_token=%u file_name=%s image_len=%u",
338 MAC2STR(icon
->bssid
), icon
->dialog_token
,
339 icon
->file_name
? icon
->file_name
: "N/A",
340 (unsigned int) icon
->image_len
);
341 os_free(icon
->file_name
);
342 os_free(icon
->image
);
347 int hs20_del_icon(struct wpa_supplicant
*wpa_s
, const u8
*bssid
,
348 const char *file_name
)
350 struct icon_entry
*icon
, *tmp
;
354 wpa_printf(MSG_DEBUG
, "HS20: Delete all stored icons");
356 wpa_printf(MSG_DEBUG
, "HS20: Delete all stored icons for "
357 MACSTR
, MAC2STR(bssid
));
359 wpa_printf(MSG_DEBUG
, "HS20: Delete stored icons for "
360 MACSTR
" file name %s", MAC2STR(bssid
), file_name
);
362 dl_list_for_each_safe(icon
, tmp
, &wpa_s
->icon_head
, struct icon_entry
,
364 if ((!bssid
|| os_memcmp(icon
->bssid
, bssid
, ETH_ALEN
) == 0) &&
366 os_strcmp(icon
->file_name
, file_name
) == 0)) {
367 dl_list_del(&icon
->list
);
368 hs20_free_icon_entry(icon
);
372 return count
== 0 ? -1 : 0;
376 static void hs20_set_osu_access_permission(const char *osu_dir
,
381 /* Get OSU directory information */
382 if (stat(osu_dir
, &statbuf
) < 0) {
383 wpa_printf(MSG_WARNING
, "Cannot stat the OSU directory %s",
388 if (chmod(fname
, statbuf
.st_mode
) < 0) {
389 wpa_printf(MSG_WARNING
,
390 "Cannot change the permissions for %s", fname
);
394 if (chown(fname
, statbuf
.st_uid
, statbuf
.st_gid
) < 0) {
395 wpa_printf(MSG_WARNING
, "Cannot change the ownership for %s",
401 static void hs20_remove_duplicate_icons(struct wpa_supplicant
*wpa_s
,
402 struct icon_entry
*new_icon
)
404 struct icon_entry
*icon
, *tmp
;
406 dl_list_for_each_safe(icon
, tmp
, &wpa_s
->icon_head
, struct icon_entry
,
408 if (icon
== new_icon
)
410 if (os_memcmp(icon
->bssid
, new_icon
->bssid
, ETH_ALEN
) == 0 &&
411 os_strcmp(icon
->file_name
, new_icon
->file_name
) == 0) {
412 dl_list_del(&icon
->list
);
413 hs20_free_icon_entry(icon
);
419 static int hs20_process_icon_binary_file(struct wpa_supplicant
*wpa_s
,
420 const u8
*sa
, const u8
*pos
,
421 size_t slen
, u8 dialog_token
)
427 struct icon_entry
*icon
;
429 dl_list_for_each(icon
, &wpa_s
->icon_head
, struct icon_entry
, list
) {
430 if (icon
->dialog_token
== dialog_token
&& !icon
->image
&&
431 os_memcmp(icon
->bssid
, sa
, ETH_ALEN
) == 0) {
432 icon
->image
= os_memdup(pos
, slen
);
435 icon
->image_len
= slen
;
436 hs20_remove_duplicate_icons(wpa_s
, icon
);
437 wpa_msg(wpa_s
, MSG_INFO
,
438 RX_HS20_ICON MACSTR
" %s %u",
439 MAC2STR(sa
), icon
->file_name
,
440 (unsigned int) icon
->image_len
);
445 wpa_msg(wpa_s
, MSG_INFO
, RX_HS20_ANQP MACSTR
" Icon Binary File",
449 wpa_dbg(wpa_s
, MSG_DEBUG
, "HS 2.0: Too short Icon Binary File "
450 "value from " MACSTR
, MAC2STR(sa
));
454 wpa_printf(MSG_DEBUG
, "HS 2.0: Download Status Code %u", *pos
);
460 if ((size_t) 1 + pos
[0] > slen
) {
461 wpa_dbg(wpa_s
, MSG_DEBUG
, "HS 2.0: Too short Icon Binary File "
462 "value from " MACSTR
, MAC2STR(sa
));
465 wpa_hexdump_ascii(MSG_DEBUG
, "Icon Type", pos
+ 1, pos
[0]);
466 png
= os_strncasecmp((char *) pos
+ 1, "image/png", 9) == 0;
471 wpa_dbg(wpa_s
, MSG_DEBUG
, "HS 2.0: Too short Icon Binary File "
472 "value from " MACSTR
, MAC2STR(sa
));
475 data_len
= WPA_GET_LE16(pos
);
479 if (data_len
> slen
) {
480 wpa_dbg(wpa_s
, MSG_DEBUG
, "HS 2.0: Too short Icon Binary File "
481 "value from " MACSTR
, MAC2STR(sa
));
485 wpa_printf(MSG_DEBUG
, "Icon Binary Data: %u bytes", data_len
);
486 if (wpa_s
->conf
->osu_dir
== NULL
)
489 wpa_s
->osu_icon_id
++;
490 if (wpa_s
->osu_icon_id
== 0)
491 wpa_s
->osu_icon_id
++;
492 snprintf(fname
, sizeof(fname
), "%s/osu-icon-%u.%s",
493 wpa_s
->conf
->osu_dir
, wpa_s
->osu_icon_id
,
494 png
? "png" : "icon");
495 f
= fopen(fname
, "wb");
499 hs20_set_osu_access_permission(wpa_s
->conf
->osu_dir
, fname
);
501 if (fwrite(pos
, slen
, 1, f
) != 1) {
508 wpa_msg(wpa_s
, MSG_INFO
, RX_HS20_ANQP_ICON
"%s", fname
);
513 static void hs20_continue_icon_fetch(void *eloop_ctx
, void *sock_ctx
)
515 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
516 if (wpa_s
->fetch_osu_icon_in_progress
)
517 hs20_next_osu_icon(wpa_s
);
521 static void hs20_osu_icon_fetch_result(struct wpa_supplicant
*wpa_s
, int res
)
524 struct os_reltime now
, tmp
;
527 os_get_reltime(&now
);
528 os_reltime_sub(&now
, &wpa_s
->osu_icon_fetch_start
, &tmp
);
529 dur
= tmp
.sec
* 1000 + tmp
.usec
/ 1000;
530 wpa_printf(MSG_DEBUG
, "HS 2.0: Icon fetch dur=%d ms res=%d",
533 for (i
= 0; i
< wpa_s
->osu_prov_count
; i
++) {
534 struct osu_provider
*osu
= &wpa_s
->osu_prov
[i
];
535 for (j
= 0; j
< osu
->icon_count
; j
++) {
536 struct osu_icon
*icon
= &osu
->icon
[j
];
537 if (icon
->id
|| icon
->failed
)
542 icon
->id
= wpa_s
->osu_icon_id
;
549 void hs20_parse_rx_hs20_anqp_resp(struct wpa_supplicant
*wpa_s
,
550 struct wpa_bss
*bss
, const u8
*sa
,
551 const u8
*data
, size_t slen
, u8 dialog_token
)
553 const u8
*pos
= data
;
555 struct wpa_bss_anqp
*anqp
= NULL
;
567 pos
++; /* Reserved */
571 case HS20_STYPE_CAPABILITY_LIST
:
572 wpa_msg(wpa_s
, MSG_INFO
, RX_HS20_ANQP MACSTR
573 " HS Capability List", MAC2STR(sa
));
574 wpa_hexdump_ascii(MSG_DEBUG
, "HS Capability List", pos
, slen
);
576 wpabuf_free(anqp
->hs20_capability_list
);
577 anqp
->hs20_capability_list
=
578 wpabuf_alloc_copy(pos
, slen
);
581 case HS20_STYPE_OPERATOR_FRIENDLY_NAME
:
582 wpa_msg(wpa_s
, MSG_INFO
, RX_HS20_ANQP MACSTR
583 " Operator Friendly Name", MAC2STR(sa
));
584 wpa_hexdump_ascii(MSG_DEBUG
, "oper friendly name", pos
, slen
);
586 wpabuf_free(anqp
->hs20_operator_friendly_name
);
587 anqp
->hs20_operator_friendly_name
=
588 wpabuf_alloc_copy(pos
, slen
);
591 case HS20_STYPE_WAN_METRICS
:
592 wpa_hexdump(MSG_DEBUG
, "WAN Metrics", pos
, slen
);
594 wpa_dbg(wpa_s
, MSG_DEBUG
, "HS 2.0: Too short WAN "
595 "Metrics value from " MACSTR
, MAC2STR(sa
));
598 wpa_msg(wpa_s
, MSG_INFO
, RX_HS20_ANQP MACSTR
599 " WAN Metrics %02x:%u:%u:%u:%u:%u", MAC2STR(sa
),
600 pos
[0], WPA_GET_LE32(pos
+ 1), WPA_GET_LE32(pos
+ 5),
601 pos
[9], pos
[10], WPA_GET_LE16(pos
+ 11));
603 wpabuf_free(anqp
->hs20_wan_metrics
);
604 anqp
->hs20_wan_metrics
= wpabuf_alloc_copy(pos
, slen
);
607 case HS20_STYPE_CONNECTION_CAPABILITY
:
608 wpa_msg(wpa_s
, MSG_INFO
, RX_HS20_ANQP MACSTR
609 " Connection Capability", MAC2STR(sa
));
610 wpa_hexdump_ascii(MSG_DEBUG
, "conn capability", pos
, slen
);
612 wpabuf_free(anqp
->hs20_connection_capability
);
613 anqp
->hs20_connection_capability
=
614 wpabuf_alloc_copy(pos
, slen
);
617 case HS20_STYPE_OPERATING_CLASS
:
618 wpa_msg(wpa_s
, MSG_INFO
, RX_HS20_ANQP MACSTR
619 " Operating Class", MAC2STR(sa
));
620 wpa_hexdump_ascii(MSG_DEBUG
, "Operating Class", pos
, slen
);
622 wpabuf_free(anqp
->hs20_operating_class
);
623 anqp
->hs20_operating_class
=
624 wpabuf_alloc_copy(pos
, slen
);
627 case HS20_STYPE_OSU_PROVIDERS_LIST
:
628 wpa_msg(wpa_s
, MSG_INFO
, RX_HS20_ANQP MACSTR
629 " OSU Providers list", MAC2STR(sa
));
630 wpa_s
->num_prov_found
++;
632 wpabuf_free(anqp
->hs20_osu_providers_list
);
633 anqp
->hs20_osu_providers_list
=
634 wpabuf_alloc_copy(pos
, slen
);
637 case HS20_STYPE_ICON_BINARY_FILE
:
638 ret
= hs20_process_icon_binary_file(wpa_s
, sa
, pos
, slen
,
640 if (wpa_s
->fetch_osu_icon_in_progress
) {
641 hs20_osu_icon_fetch_result(wpa_s
, ret
);
642 eloop_cancel_timeout(hs20_continue_icon_fetch
,
644 eloop_register_timeout(0, 0, hs20_continue_icon_fetch
,
649 wpa_printf(MSG_DEBUG
, "HS20: Unsupported subtype %u", subtype
);
655 void hs20_notify_parse_done(struct wpa_supplicant
*wpa_s
)
657 if (!wpa_s
->fetch_osu_icon_in_progress
)
659 if (eloop_is_timeout_registered(hs20_continue_icon_fetch
, wpa_s
, NULL
))
662 * We are going through icon fetch, but no icon response was received.
663 * Assume this means the current AP could not provide an answer to avoid
664 * getting stuck in fetch iteration.
666 hs20_icon_fetch_failed(wpa_s
);
670 static void hs20_free_osu_prov_entry(struct osu_provider
*prov
)
675 void hs20_free_osu_prov(struct wpa_supplicant
*wpa_s
)
678 for (i
= 0; i
< wpa_s
->osu_prov_count
; i
++)
679 hs20_free_osu_prov_entry(&wpa_s
->osu_prov
[i
]);
680 os_free(wpa_s
->osu_prov
);
681 wpa_s
->osu_prov
= NULL
;
682 wpa_s
->osu_prov_count
= 0;
686 static void hs20_osu_fetch_done(struct wpa_supplicant
*wpa_s
)
692 wpa_s
->fetch_osu_info
= 0;
693 wpa_s
->fetch_osu_icon_in_progress
= 0;
695 if (wpa_s
->conf
->osu_dir
== NULL
) {
696 hs20_free_osu_prov(wpa_s
);
697 wpa_s
->fetch_anqp_in_progress
= 0;
701 snprintf(fname
, sizeof(fname
), "%s/osu-providers.txt",
702 wpa_s
->conf
->osu_dir
);
703 f
= fopen(fname
, "w");
705 wpa_msg(wpa_s
, MSG_INFO
,
706 "Could not write OSU provider information");
707 hs20_free_osu_prov(wpa_s
);
708 wpa_s
->fetch_anqp_in_progress
= 0;
712 hs20_set_osu_access_permission(wpa_s
->conf
->osu_dir
, fname
);
714 for (i
= 0; i
< wpa_s
->osu_prov_count
; i
++) {
715 struct osu_provider
*osu
= &wpa_s
->osu_prov
[i
];
718 fprintf(f
, "OSU-PROVIDER " MACSTR
"\n"
721 MAC2STR(osu
->bssid
), osu
->server_uri
, osu
->osu_methods
);
722 if (osu
->osu_ssid_len
) {
723 fprintf(f
, "osu_ssid=%s\n",
724 wpa_ssid_txt(osu
->osu_ssid
,
728 fprintf(f
, "osu_nai=%s\n", osu
->osu_nai
);
729 for (j
= 0; j
< osu
->friendly_name_count
; j
++) {
730 fprintf(f
, "friendly_name=%s:%s\n",
731 osu
->friendly_name
[j
].lang
,
732 osu
->friendly_name
[j
].text
);
734 for (j
= 0; j
< osu
->serv_desc_count
; j
++) {
735 fprintf(f
, "desc=%s:%s\n",
736 osu
->serv_desc
[j
].lang
,
737 osu
->serv_desc
[j
].text
);
739 for (j
= 0; j
< osu
->icon_count
; j
++) {
740 struct osu_icon
*icon
= &osu
->icon
[j
];
742 continue; /* could not fetch icon */
743 fprintf(f
, "icon=%u:%u:%u:%s:%s:%s\n",
744 icon
->id
, icon
->width
, icon
->height
, icon
->lang
,
745 icon
->icon_type
, icon
->filename
);
749 hs20_free_osu_prov(wpa_s
);
751 wpa_msg(wpa_s
, MSG_INFO
, "OSU provider fetch completed");
752 wpa_s
->fetch_anqp_in_progress
= 0;
756 void hs20_next_osu_icon(struct wpa_supplicant
*wpa_s
)
760 wpa_printf(MSG_DEBUG
, "HS 2.0: Ready to fetch next icon");
762 for (i
= 0; i
< wpa_s
->osu_prov_count
; i
++) {
763 struct osu_provider
*osu
= &wpa_s
->osu_prov
[i
];
764 for (j
= 0; j
< osu
->icon_count
; j
++) {
765 struct osu_icon
*icon
= &osu
->icon
[j
];
766 if (icon
->id
|| icon
->failed
)
769 wpa_printf(MSG_DEBUG
, "HS 2.0: Try to fetch icon '%s' "
770 "from " MACSTR
, icon
->filename
,
771 MAC2STR(osu
->bssid
));
772 os_get_reltime(&wpa_s
->osu_icon_fetch_start
);
773 if (hs20_anqp_send_req(wpa_s
, osu
->bssid
,
774 BIT(HS20_STYPE_ICON_REQUEST
),
775 (u8
*) icon
->filename
,
776 os_strlen(icon
->filename
),
785 wpa_printf(MSG_DEBUG
, "HS 2.0: No more icons to fetch");
786 hs20_osu_fetch_done(wpa_s
);
790 static void hs20_osu_add_prov(struct wpa_supplicant
*wpa_s
, struct wpa_bss
*bss
,
791 const u8
*osu_ssid
, u8 osu_ssid_len
,
792 const u8
*pos
, size_t len
)
794 struct osu_provider
*prov
;
795 const u8
*end
= pos
+ len
;
798 u8 uri_len
, osu_method_len
, osu_nai_len
;
800 wpa_hexdump(MSG_DEBUG
, "HS 2.0: Parsing OSU Provider", pos
, len
);
801 prov
= os_realloc_array(wpa_s
->osu_prov
,
802 wpa_s
->osu_prov_count
+ 1,
806 wpa_s
->osu_prov
= prov
;
807 prov
= &prov
[wpa_s
->osu_prov_count
];
808 os_memset(prov
, 0, sizeof(*prov
));
810 os_memcpy(prov
->bssid
, bss
->bssid
, ETH_ALEN
);
811 os_memcpy(prov
->osu_ssid
, osu_ssid
, osu_ssid_len
);
812 prov
->osu_ssid_len
= osu_ssid_len
;
814 /* OSU Friendly Name Length */
816 wpa_printf(MSG_DEBUG
, "HS 2.0: Not enough room for OSU "
817 "Friendly Name Length");
820 len2
= WPA_GET_LE16(pos
);
822 if (len2
> end
- pos
) {
823 wpa_printf(MSG_DEBUG
, "HS 2.0: Not enough room for OSU "
824 "Friendly Name Duples");
830 /* OSU Friendly Name Duples */
831 while (pos
- pos2
>= 4 && prov
->friendly_name_count
< OSU_MAX_ITEMS
) {
832 struct osu_lang_string
*f
;
833 if (1 + pos2
[0] > pos
- pos2
|| pos2
[0] < 3) {
834 wpa_printf(MSG_DEBUG
, "Invalid OSU Friendly Name");
837 f
= &prov
->friendly_name
[prov
->friendly_name_count
++];
838 os_memcpy(f
->lang
, pos2
+ 1, 3);
839 os_memcpy(f
->text
, pos2
+ 1 + 3, pos2
[0] - 3);
845 wpa_printf(MSG_DEBUG
,
846 "HS 2.0: Not enough room for OSU Server URI length");
850 if (uri_len
> end
- pos
) {
851 wpa_printf(MSG_DEBUG
, "HS 2.0: Not enough room for OSU Server "
855 os_memcpy(prov
->server_uri
, pos
, uri_len
);
858 /* OSU Method list */
860 wpa_printf(MSG_DEBUG
, "HS 2.0: Not enough room for OSU Method "
864 osu_method_len
= pos
[0];
865 if (osu_method_len
> end
- pos
- 1) {
866 wpa_printf(MSG_DEBUG
, "HS 2.0: Not enough room for OSU Method "
871 pos
+= 1 + osu_method_len
;
874 prov
->osu_methods
|= BIT(*pos2
);
878 /* Icons Available Length */
880 wpa_printf(MSG_DEBUG
, "HS 2.0: Not enough room for Icons "
884 len2
= WPA_GET_LE16(pos
);
886 if (len2
> end
- pos
) {
887 wpa_printf(MSG_DEBUG
, "HS 2.0: Not enough room for Icons "
894 /* Icons Available */
896 struct osu_icon
*icon
= &prov
->icon
[prov
->icon_count
];
899 if (2 + 2 + 3 + 1 + 1 > pos
- pos2
) {
900 wpa_printf(MSG_DEBUG
, "HS 2.0: Invalid Icon Metadata");
904 icon
->width
= WPA_GET_LE16(pos2
);
906 icon
->height
= WPA_GET_LE16(pos2
);
908 os_memcpy(icon
->lang
, pos2
, 3);
912 if (flen
> pos
- pos2
) {
913 wpa_printf(MSG_DEBUG
, "HS 2.0: Not room for Icon Type");
916 os_memcpy(icon
->icon_type
, pos2
, flen
);
919 if (pos
- pos2
< 1) {
920 wpa_printf(MSG_DEBUG
, "HS 2.0: Not room for Icon "
925 if (flen
> pos
- pos2
) {
926 wpa_printf(MSG_DEBUG
, "HS 2.0: Not room for Icon "
930 os_memcpy(icon
->filename
, pos2
, flen
);
938 wpa_printf(MSG_DEBUG
, "HS 2.0: Not enough room for OSU_NAI");
941 osu_nai_len
= *pos
++;
942 if (osu_nai_len
> end
- pos
) {
943 wpa_printf(MSG_DEBUG
, "HS 2.0: Not enough room for OSU_NAI");
946 os_memcpy(prov
->osu_nai
, pos
, osu_nai_len
);
949 /* OSU Service Description Length */
951 wpa_printf(MSG_DEBUG
, "HS 2.0: Not enough room for OSU "
952 "Service Description Length");
955 len2
= WPA_GET_LE16(pos
);
957 if (len2
> end
- pos
) {
958 wpa_printf(MSG_DEBUG
, "HS 2.0: Not enough room for OSU "
959 "Service Description Duples");
965 /* OSU Service Description Duples */
966 while (pos
- pos2
>= 4 && prov
->serv_desc_count
< OSU_MAX_ITEMS
) {
967 struct osu_lang_string
*f
;
971 if (descr_len
> pos
- pos2
|| descr_len
< 3) {
972 wpa_printf(MSG_DEBUG
, "Invalid OSU Service "
976 f
= &prov
->serv_desc
[prov
->serv_desc_count
++];
977 os_memcpy(f
->lang
, pos2
, 3);
978 os_memcpy(f
->text
, pos2
+ 3, descr_len
- 3);
982 wpa_printf(MSG_DEBUG
, "HS 2.0: Added OSU Provider through " MACSTR
,
983 MAC2STR(bss
->bssid
));
984 wpa_s
->osu_prov_count
++;
988 void hs20_osu_icon_fetch(struct wpa_supplicant
*wpa_s
)
991 struct wpabuf
*prov_anqp
;
998 hs20_free_osu_prov(wpa_s
);
1000 dl_list_for_each(bss
, &wpa_s
->bss
, struct wpa_bss
, list
) {
1001 if (bss
->anqp
== NULL
)
1003 prov_anqp
= bss
->anqp
->hs20_osu_providers_list
;
1004 if (prov_anqp
== NULL
)
1006 wpa_printf(MSG_DEBUG
, "HS 2.0: Parsing OSU Providers list from "
1007 MACSTR
, MAC2STR(bss
->bssid
));
1008 wpa_hexdump_buf(MSG_DEBUG
, "HS 2.0: OSU Providers list",
1010 pos
= wpabuf_head(prov_anqp
);
1011 end
= pos
+ wpabuf_len(prov_anqp
);
1016 if (1 + pos
[0] > end
- pos
) {
1017 wpa_printf(MSG_DEBUG
, "HS 2.0: Not enough room for "
1021 osu_ssid_len
= *pos
++;
1022 if (osu_ssid_len
> SSID_MAX_LEN
) {
1023 wpa_printf(MSG_DEBUG
, "HS 2.0: Invalid OSU SSID "
1024 "Length %u", osu_ssid_len
);
1028 pos
+= osu_ssid_len
;
1030 if (end
- pos
< 1) {
1031 wpa_printf(MSG_DEBUG
, "HS 2.0: Not enough room for "
1032 "Number of OSU Providers");
1035 num_providers
= *pos
++;
1036 wpa_printf(MSG_DEBUG
, "HS 2.0: Number of OSU Providers: %u",
1040 while (end
- pos
> 2 && num_providers
> 0) {
1042 len
= WPA_GET_LE16(pos
);
1044 if (len
> (unsigned int) (end
- pos
))
1046 hs20_osu_add_prov(wpa_s
, bss
, osu_ssid
,
1047 osu_ssid_len
, pos
, len
);
1052 wpa_printf(MSG_DEBUG
, "HS 2.0: Ignored %d bytes of "
1053 "extra data after OSU Providers",
1058 wpa_s
->fetch_osu_icon_in_progress
= 1;
1059 hs20_next_osu_icon(wpa_s
);
1063 static void hs20_osu_scan_res_handler(struct wpa_supplicant
*wpa_s
,
1064 struct wpa_scan_results
*scan_res
)
1066 wpa_printf(MSG_DEBUG
, "OSU provisioning fetch scan completed");
1067 if (!wpa_s
->fetch_osu_waiting_scan
) {
1068 wpa_printf(MSG_DEBUG
, "OSU fetch have been canceled");
1071 wpa_s
->network_select
= 0;
1072 wpa_s
->fetch_all_anqp
= 1;
1073 wpa_s
->fetch_osu_info
= 1;
1074 wpa_s
->fetch_osu_icon_in_progress
= 0;
1076 interworking_start_fetch_anqp(wpa_s
);
1080 int hs20_fetch_osu(struct wpa_supplicant
*wpa_s
, int skip_scan
)
1082 if (wpa_s
->wpa_state
== WPA_INTERFACE_DISABLED
) {
1083 wpa_printf(MSG_DEBUG
, "HS 2.0: Cannot start fetch_osu - "
1084 "interface disabled");
1088 if (wpa_s
->scanning
) {
1089 wpa_printf(MSG_DEBUG
, "HS 2.0: Cannot start fetch_osu - "
1094 if (wpa_s
->conf
->osu_dir
== NULL
) {
1095 wpa_printf(MSG_DEBUG
, "HS 2.0: Cannot start fetch_osu - "
1096 "osu_dir not configured");
1100 if (wpa_s
->fetch_anqp_in_progress
|| wpa_s
->network_select
) {
1101 wpa_printf(MSG_DEBUG
, "HS 2.0: Cannot start fetch_osu - "
1102 "fetch in progress (%d, %d)",
1103 wpa_s
->fetch_anqp_in_progress
,
1104 wpa_s
->network_select
);
1108 wpa_msg(wpa_s
, MSG_INFO
, "Starting OSU provisioning information fetch");
1109 wpa_s
->num_osu_scans
= 0;
1110 wpa_s
->num_prov_found
= 0;
1112 wpa_s
->network_select
= 0;
1113 wpa_s
->fetch_all_anqp
= 1;
1114 wpa_s
->fetch_osu_info
= 1;
1115 wpa_s
->fetch_osu_icon_in_progress
= 0;
1117 interworking_start_fetch_anqp(wpa_s
);
1119 hs20_start_osu_scan(wpa_s
);
1126 void hs20_start_osu_scan(struct wpa_supplicant
*wpa_s
)
1128 wpa_s
->fetch_osu_waiting_scan
= 1;
1129 wpa_s
->num_osu_scans
++;
1130 wpa_s
->scan_req
= MANUAL_SCAN_REQ
;
1131 wpa_s
->scan_res_handler
= hs20_osu_scan_res_handler
;
1132 wpa_supplicant_req_scan(wpa_s
, 0, 0);
1136 void hs20_cancel_fetch_osu(struct wpa_supplicant
*wpa_s
)
1138 wpa_printf(MSG_DEBUG
, "Cancel OSU fetch");
1139 interworking_stop_fetch_anqp(wpa_s
);
1140 wpa_s
->fetch_osu_waiting_scan
= 0;
1141 wpa_s
->network_select
= 0;
1142 wpa_s
->fetch_osu_info
= 0;
1143 wpa_s
->fetch_osu_icon_in_progress
= 0;
1147 void hs20_icon_fetch_failed(struct wpa_supplicant
*wpa_s
)
1149 hs20_osu_icon_fetch_result(wpa_s
, -1);
1150 eloop_cancel_timeout(hs20_continue_icon_fetch
, wpa_s
, NULL
);
1151 eloop_register_timeout(0, 0, hs20_continue_icon_fetch
, wpa_s
, NULL
);
1155 void hs20_rx_subscription_remediation(struct wpa_supplicant
*wpa_s
,
1156 const char *url
, u8 osu_method
)
1159 wpa_msg(wpa_s
, MSG_INFO
, HS20_SUBSCRIPTION_REMEDIATION
"%u %s",
1162 wpa_msg(wpa_s
, MSG_INFO
, HS20_SUBSCRIPTION_REMEDIATION
);
1166 void hs20_rx_deauth_imminent_notice(struct wpa_supplicant
*wpa_s
, u8 code
,
1167 u16 reauth_delay
, const char *url
)
1169 if (!wpa_sm_pmf_enabled(wpa_s
->wpa
)) {
1170 wpa_printf(MSG_DEBUG
, "HS 2.0: Ignore deauthentication imminent notice since PMF was not enabled");
1174 wpa_msg(wpa_s
, MSG_INFO
, HS20_DEAUTH_IMMINENT_NOTICE
"%u %u %s",
1175 code
, reauth_delay
, url
);
1177 if (code
== HS20_DEAUTH_REASON_CODE_BSS
) {
1178 wpa_printf(MSG_DEBUG
, "HS 2.0: Add BSS to blacklist");
1179 wpa_blacklist_add(wpa_s
, wpa_s
->bssid
);
1180 /* TODO: For now, disable full ESS since some drivers may not
1181 * support disabling per BSS. */
1182 if (wpa_s
->current_ssid
) {
1183 struct os_reltime now
;
1184 os_get_reltime(&now
);
1185 if (now
.sec
+ reauth_delay
<=
1186 wpa_s
->current_ssid
->disabled_until
.sec
)
1188 wpa_printf(MSG_DEBUG
, "HS 2.0: Disable network for %u seconds (BSS)",
1190 wpa_s
->current_ssid
->disabled_until
.sec
=
1191 now
.sec
+ reauth_delay
;
1195 if (code
== HS20_DEAUTH_REASON_CODE_ESS
&& wpa_s
->current_ssid
) {
1196 struct os_reltime now
;
1197 os_get_reltime(&now
);
1198 if (now
.sec
+ reauth_delay
<=
1199 wpa_s
->current_ssid
->disabled_until
.sec
)
1201 wpa_printf(MSG_DEBUG
, "HS 2.0: Disable network for %u seconds",
1203 wpa_s
->current_ssid
->disabled_until
.sec
=
1204 now
.sec
+ reauth_delay
;
1209 void hs20_init(struct wpa_supplicant
*wpa_s
)
1211 dl_list_init(&wpa_s
->icon_head
);
1215 void hs20_deinit(struct wpa_supplicant
*wpa_s
)
1217 eloop_cancel_timeout(hs20_continue_icon_fetch
, wpa_s
, NULL
);
1218 hs20_free_osu_prov(wpa_s
);
1219 if (wpa_s
->icon_head
.next
)
1220 hs20_del_icon(wpa_s
, NULL
, NULL
);