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);
83 wpa_bss_anqp_unshare_alloc(bss);
89 wpa_printf(MSG_DEBUG, "HS20: ANQP Query Request to " MACSTR " for "
90 "subtypes 0x%x", MAC2STR(dst), stypes);
92 buf = hs20_build_anqp_req(stypes, payload, payload_len);
96 res = gas_query_req(wpa_s->gas, dst, freq, buf, anqp_resp_cb, wpa_s);
98 wpa_printf(MSG_DEBUG, "ANQP: Failed to send Query Request");
101 wpa_printf(MSG_DEBUG, "ANQP: Query started with dialog token "
109 void hs20_parse_rx_hs20_anqp_resp(struct wpa_supplicant *wpa_s,
110 const u8 *sa, const u8 *data, size_t slen)
112 const u8 *pos = data;
114 struct wpa_bss *bss = wpa_bss_get_bssid(wpa_s, sa);
115 struct wpa_bss_anqp *anqp = NULL;
126 pos++; /* Reserved */
130 case HS20_STYPE_CAPABILITY_LIST:
131 wpa_msg(wpa_s, MSG_INFO, "RX-HS20-ANQP " MACSTR
132 " HS Capability List", MAC2STR(sa));
133 wpa_hexdump_ascii(MSG_DEBUG, "HS Capability List", pos, slen);
135 case HS20_STYPE_OPERATOR_FRIENDLY_NAME:
136 wpa_msg(wpa_s, MSG_INFO, "RX-HS20-ANQP " MACSTR
137 " Operator Friendly Name", MAC2STR(sa));
138 wpa_hexdump_ascii(MSG_DEBUG, "oper friendly name", pos, slen);
140 wpabuf_free(anqp->hs20_operator_friendly_name);
141 anqp->hs20_operator_friendly_name =
142 wpabuf_alloc_copy(pos, slen);
145 case HS20_STYPE_WAN_METRICS:
146 wpa_hexdump(MSG_DEBUG, "WAN Metrics", pos, slen);
148 wpa_dbg(wpa_s, MSG_DEBUG, "HS 2.0: Too short WAN "
149 "Metrics value from " MACSTR, MAC2STR(sa));
152 wpa_msg(wpa_s, MSG_INFO, "RX-HS20-ANQP " MACSTR
153 " WAN Metrics %02x:%u:%u:%u:%u:%u", MAC2STR(sa),
154 pos[0], WPA_GET_LE32(pos + 1), WPA_GET_LE32(pos + 5),
155 pos[9], pos[10], WPA_GET_LE16(pos + 11));
157 wpabuf_free(anqp->hs20_wan_metrics);
158 anqp->hs20_wan_metrics = wpabuf_alloc_copy(pos, slen);
161 case HS20_STYPE_CONNECTION_CAPABILITY:
162 wpa_msg(wpa_s, MSG_INFO, "RX-HS20-ANQP " MACSTR
163 " Connection Capability", MAC2STR(sa));
164 wpa_hexdump_ascii(MSG_DEBUG, "conn capability", pos, slen);
166 wpabuf_free(anqp->hs20_connection_capability);
167 anqp->hs20_connection_capability =
168 wpabuf_alloc_copy(pos, slen);
171 case HS20_STYPE_OPERATING_CLASS:
172 wpa_msg(wpa_s, MSG_INFO, "RX-HS20-ANQP " MACSTR
173 " Operating Class", MAC2STR(sa));
174 wpa_hexdump_ascii(MSG_DEBUG, "Operating Class", pos, slen);
176 wpabuf_free(anqp->hs20_operating_class);
177 anqp->hs20_operating_class =
178 wpabuf_alloc_copy(pos, slen);
182 wpa_printf(MSG_DEBUG, "HS20: Unsupported subtype %u", subtype);