hs20_supplicant.c revision 4530cfd4d14a77c58e35393b91e40f8dd9d62697
104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt/* 204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt * Copyright (c) 2009, Atheros Communications, Inc. 304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt * Copyright (c) 2011-2012, Qualcomm Atheros, Inc. 404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt * 504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt * This software may be distributed under the terms of the BSD license. 604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt * See README for more details. 704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt */ 804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt#include "includes.h" 1004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 1104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt#include "common.h" 1204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt#include "eloop.h" 1304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt#include "common/ieee802_11_common.h" 1404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt#include "common/ieee802_11_defs.h" 1504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt#include "common/gas.h" 1604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt#include "common/wpa_ctrl.h" 1704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt#include "wpa_supplicant_i.h" 1804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt#include "driver_i.h" 1904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt#include "config.h" 2004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt#include "bss.h" 2104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt#include "gas_query.h" 2204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt#include "interworking.h" 2304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt#include "hs20_supplicant.h" 2404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 2504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 2604949598a23f501be6eec21697465fd46a28840aDmitry Shmidtvoid wpas_hs20_add_indication(struct wpabuf *buf) 2704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt{ 2804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wpabuf_put_u8(buf, WLAN_EID_VENDOR_SPECIFIC); 2904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wpabuf_put_u8(buf, 5); 3004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wpabuf_put_be24(buf, OUI_WFA); 3104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wpabuf_put_u8(buf, HS20_INDICATION_OUI_TYPE); 3204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wpabuf_put_u8(buf, 0x00); /* Hotspot Configuration */ 3304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt} 3404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 3504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 3604949598a23f501be6eec21697465fd46a28840aDmitry Shmidtstruct wpabuf * hs20_build_anqp_req(u32 stypes, const u8 *payload, 3704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt size_t payload_len) 3804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt{ 3904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt struct wpabuf *buf; 4004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt u8 *len_pos; 4104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 4204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt buf = gas_anqp_build_initial_req(0, 100 + payload_len); 4304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt if (buf == NULL) 4404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt return NULL; 4504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 4604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt len_pos = gas_anqp_add_element(buf, ANQP_VENDOR_SPECIFIC); 4704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wpabuf_put_be24(buf, OUI_WFA); 4804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wpabuf_put_u8(buf, HS20_ANQP_OUI_TYPE); 4904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt if (stypes == BIT(HS20_STYPE_NAI_HOME_REALM_QUERY)) { 5004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wpabuf_put_u8(buf, HS20_STYPE_NAI_HOME_REALM_QUERY); 5104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wpabuf_put_u8(buf, 0); /* Reserved */ 5204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt if (payload) 5304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wpabuf_put_data(buf, payload, payload_len); 5404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt } else { 5504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt u8 i; 5604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wpabuf_put_u8(buf, HS20_STYPE_QUERY_LIST); 5704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wpabuf_put_u8(buf, 0); /* Reserved */ 5804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt for (i = 0; i < 32; i++) { 5904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt if (stypes & BIT(i)) 6004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wpabuf_put_u8(buf, i); 6104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt } 6204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt } 6304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt gas_anqp_set_element_len(buf, len_pos); 6404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 6504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt gas_anqp_set_len(buf); 6604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 6704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt return buf; 6804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt} 6904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 7004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 7104949598a23f501be6eec21697465fd46a28840aDmitry Shmidtint hs20_anqp_send_req(struct wpa_supplicant *wpa_s, const u8 *dst, u32 stypes, 7204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt const u8 *payload, size_t payload_len) 7304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt{ 7404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt struct wpabuf *buf; 7504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt int ret = 0; 7604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt int freq; 7704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt struct wpa_bss *bss; 7804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt int res; 7904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 8004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt freq = wpa_s->assoc_freq; 8104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt bss = wpa_bss_get_bssid(wpa_s, dst); 8204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt if (bss) 8304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt freq = bss->freq; 8404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt if (freq <= 0) 8504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt return -1; 8604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 8704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wpa_printf(MSG_DEBUG, "HS20: ANQP Query Request to " MACSTR " for " 8804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt "subtypes 0x%x", MAC2STR(dst), stypes); 8904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 9004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt buf = hs20_build_anqp_req(stypes, payload, payload_len); 9104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt if (buf == NULL) 9204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt return -1; 9304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 9404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt res = gas_query_req(wpa_s->gas, dst, freq, buf, anqp_resp_cb, wpa_s); 9504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt if (res < 0) { 9604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wpa_printf(MSG_DEBUG, "ANQP: Failed to send Query Request"); 9704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt ret = -1; 9804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt } else 9904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wpa_printf(MSG_DEBUG, "ANQP: Query started with dialog token " 10004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt "%u", res); 10104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 10204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wpabuf_free(buf); 10304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt return ret; 10404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt} 10504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 10604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 10704949598a23f501be6eec21697465fd46a28840aDmitry Shmidtvoid hs20_parse_rx_hs20_anqp_resp(struct wpa_supplicant *wpa_s, 10804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt const u8 *sa, const u8 *data, size_t slen) 10904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt{ 11004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt const u8 *pos = data; 11104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt u8 subtype; 11204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt struct wpa_bss *bss = wpa_bss_get_bssid(wpa_s, sa); 1134530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt struct wpa_bss_anqp *anqp = NULL; 11404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 11504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt if (slen < 2) 11604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt return; 11704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 1184530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt if (bss) 1194530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt anqp = bss->anqp; 1204530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt 12104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt subtype = *pos++; 12204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt slen--; 12304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 12404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt pos++; /* Reserved */ 12504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt slen--; 12604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 12704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt switch (subtype) { 12804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt case HS20_STYPE_CAPABILITY_LIST: 12904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wpa_msg(wpa_s, MSG_INFO, "RX-HS20-ANQP " MACSTR 13004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt " HS Capability List", MAC2STR(sa)); 13104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wpa_hexdump_ascii(MSG_DEBUG, "HS Capability List", pos, slen); 13204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt break; 13304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt case HS20_STYPE_OPERATOR_FRIENDLY_NAME: 13404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wpa_msg(wpa_s, MSG_INFO, "RX-HS20-ANQP " MACSTR 13504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt " Operator Friendly Name", MAC2STR(sa)); 13604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wpa_hexdump_ascii(MSG_DEBUG, "oper friendly name", pos, slen); 1374530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt if (anqp) { 1384530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt wpabuf_free(anqp->hs20_operator_friendly_name); 1394530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt anqp->hs20_operator_friendly_name = 14004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wpabuf_alloc_copy(pos, slen); 14104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt } 14204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt break; 14304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt case HS20_STYPE_WAN_METRICS: 14404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wpa_msg(wpa_s, MSG_INFO, "RX-HS20-ANQP " MACSTR 14504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt " WAN Metrics", MAC2STR(sa)); 14604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wpa_hexdump_ascii(MSG_DEBUG, "WAN Metrics", pos, slen); 1474530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt if (anqp) { 1484530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt wpabuf_free(anqp->hs20_wan_metrics); 1494530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt anqp->hs20_wan_metrics = wpabuf_alloc_copy(pos, slen); 15004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt } 15104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt break; 15204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt case HS20_STYPE_CONNECTION_CAPABILITY: 15304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wpa_msg(wpa_s, MSG_INFO, "RX-HS20-ANQP " MACSTR 15404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt " Connection Capability", MAC2STR(sa)); 15504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wpa_hexdump_ascii(MSG_DEBUG, "conn capability", pos, slen); 1564530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt if (anqp) { 1574530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt wpabuf_free(anqp->hs20_connection_capability); 1584530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt anqp->hs20_connection_capability = 15904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wpabuf_alloc_copy(pos, slen); 16004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt } 16104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt break; 16204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt case HS20_STYPE_OPERATING_CLASS: 16304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wpa_msg(wpa_s, MSG_INFO, "RX-HS20-ANQP " MACSTR 16404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt " Operating Class", MAC2STR(sa)); 16504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wpa_hexdump_ascii(MSG_DEBUG, "Operating Class", pos, slen); 1664530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt if (anqp) { 1674530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt wpabuf_free(anqp->hs20_operating_class); 1684530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt anqp->hs20_operating_class = 16904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wpabuf_alloc_copy(pos, slen); 17004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt } 17104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt break; 17204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt default: 17304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wpa_printf(MSG_DEBUG, "HS20: Unsupported subtype %u", subtype); 17404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt break; 17504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt } 17604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt} 177