2 * Copyright (c) 2009, Atheros Communications, Inc.
3 * Copyright (c) 2011-2012, Qualcomm Atheros, Inc.
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/gas.h"
16 #include "common/wpa_ctrl.h"
17 #include "wpa_supplicant_i.h"
21 #include "gas_query.h"
22 #include "interworking.h"
23 #include "hs20_supplicant.h"
26 void wpas_hs20_add_indication(struct wpabuf
*buf
)
28 wpabuf_put_u8(buf
, WLAN_EID_VENDOR_SPECIFIC
);
29 wpabuf_put_u8(buf
, 5);
30 wpabuf_put_be24(buf
, OUI_WFA
);
31 wpabuf_put_u8(buf
, HS20_INDICATION_OUI_TYPE
);
32 wpabuf_put_u8(buf
, 0x00); /* Hotspot Configuration */
36 struct wpabuf
* hs20_build_anqp_req(u32 stypes
, const u8
*payload
,
42 buf
= gas_anqp_build_initial_req(0, 100 + payload_len
);
46 len_pos
= gas_anqp_add_element(buf
, ANQP_VENDOR_SPECIFIC
);
47 wpabuf_put_be24(buf
, OUI_WFA
);
48 wpabuf_put_u8(buf
, HS20_ANQP_OUI_TYPE
);
49 if (stypes
== BIT(HS20_STYPE_NAI_HOME_REALM_QUERY
)) {
50 wpabuf_put_u8(buf
, HS20_STYPE_NAI_HOME_REALM_QUERY
);
51 wpabuf_put_u8(buf
, 0); /* Reserved */
53 wpabuf_put_data(buf
, payload
, payload_len
);
56 wpabuf_put_u8(buf
, HS20_STYPE_QUERY_LIST
);
57 wpabuf_put_u8(buf
, 0); /* Reserved */
58 for (i
= 0; i
< 32; i
++) {
60 wpabuf_put_u8(buf
, i
);
63 gas_anqp_set_element_len(buf
, len_pos
);
65 gas_anqp_set_len(buf
);
71 int hs20_anqp_send_req(struct wpa_supplicant
*wpa_s
, const u8
*dst
, u32 stypes
,
72 const u8
*payload
, size_t payload_len
)
80 freq
= wpa_s
->assoc_freq
;
81 bss
= wpa_bss_get_bssid(wpa_s
, dst
);
87 wpa_printf(MSG_DEBUG
, "HS20: ANQP Query Request to " MACSTR
" for "
88 "subtypes 0x%x", MAC2STR(dst
), stypes
);
90 buf
= hs20_build_anqp_req(stypes
, payload
, payload_len
);
94 res
= gas_query_req(wpa_s
->gas
, dst
, freq
, buf
, anqp_resp_cb
, wpa_s
);
96 wpa_printf(MSG_DEBUG
, "ANQP: Failed to send Query Request");
99 wpa_printf(MSG_DEBUG
, "ANQP: Query started with dialog token "
107 void hs20_parse_rx_hs20_anqp_resp(struct wpa_supplicant
*wpa_s
,
108 const u8
*sa
, const u8
*data
, size_t slen
)
110 const u8
*pos
= data
;
112 struct wpa_bss
*bss
= wpa_bss_get_bssid(wpa_s
, sa
);
113 struct wpa_bss_anqp
*anqp
= NULL
;
124 pos
++; /* Reserved */
128 case HS20_STYPE_CAPABILITY_LIST
:
129 wpa_msg(wpa_s
, MSG_INFO
, "RX-HS20-ANQP " MACSTR
130 " HS Capability List", MAC2STR(sa
));
131 wpa_hexdump_ascii(MSG_DEBUG
, "HS Capability List", pos
, slen
);
133 case HS20_STYPE_OPERATOR_FRIENDLY_NAME
:
134 wpa_msg(wpa_s
, MSG_INFO
, "RX-HS20-ANQP " MACSTR
135 " Operator Friendly Name", MAC2STR(sa
));
136 wpa_hexdump_ascii(MSG_DEBUG
, "oper friendly name", pos
, slen
);
138 wpabuf_free(anqp
->hs20_operator_friendly_name
);
139 anqp
->hs20_operator_friendly_name
=
140 wpabuf_alloc_copy(pos
, slen
);
143 case HS20_STYPE_WAN_METRICS
:
144 wpa_msg(wpa_s
, MSG_INFO
, "RX-HS20-ANQP " MACSTR
145 " WAN Metrics", MAC2STR(sa
));
146 wpa_hexdump_ascii(MSG_DEBUG
, "WAN Metrics", pos
, slen
);
148 wpabuf_free(anqp
->hs20_wan_metrics
);
149 anqp
->hs20_wan_metrics
= wpabuf_alloc_copy(pos
, slen
);
152 case HS20_STYPE_CONNECTION_CAPABILITY
:
153 wpa_msg(wpa_s
, MSG_INFO
, "RX-HS20-ANQP " MACSTR
154 " Connection Capability", MAC2STR(sa
));
155 wpa_hexdump_ascii(MSG_DEBUG
, "conn capability", pos
, slen
);
157 wpabuf_free(anqp
->hs20_connection_capability
);
158 anqp
->hs20_connection_capability
=
159 wpabuf_alloc_copy(pos
, slen
);
162 case HS20_STYPE_OPERATING_CLASS
:
163 wpa_msg(wpa_s
, MSG_INFO
, "RX-HS20-ANQP " MACSTR
164 " Operating Class", MAC2STR(sa
));
165 wpa_hexdump_ascii(MSG_DEBUG
, "Operating Class", pos
, slen
);
167 wpabuf_free(anqp
->hs20_operating_class
);
168 anqp
->hs20_operating_class
=
169 wpabuf_alloc_copy(pos
, slen
);
173 wpa_printf(MSG_DEBUG
, "HS20: Unsupported subtype %u", subtype
);