Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Generic advertisement service (GAS) server |
Dmitry Shmidt | 1846323 | 2014-01-24 12:29:41 -0800 | [diff] [blame] | 3 | * Copyright (c) 2011-2014, Qualcomm Atheros, Inc. |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 4 | * |
| 5 | * This software may be distributed under the terms of the BSD license. |
| 6 | * See README for more details. |
| 7 | */ |
| 8 | |
| 9 | #include "includes.h" |
| 10 | |
| 11 | #include "common.h" |
| 12 | #include "common/ieee802_11_defs.h" |
| 13 | #include "common/gas.h" |
| 14 | #include "utils/eloop.h" |
| 15 | #include "hostapd.h" |
| 16 | #include "ap_config.h" |
| 17 | #include "ap_drv_ops.h" |
| 18 | #include "sta_info.h" |
| 19 | #include "gas_serv.h" |
| 20 | |
| 21 | |
Dmitry Shmidt | 1846323 | 2014-01-24 12:29:41 -0800 | [diff] [blame] | 22 | static void convert_to_protected_dual(struct wpabuf *msg) |
| 23 | { |
| 24 | u8 *categ = wpabuf_mhead_u8(msg); |
| 25 | *categ = WLAN_ACTION_PROTECTED_DUAL; |
| 26 | } |
| 27 | |
| 28 | |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 29 | static struct gas_dialog_info * |
| 30 | gas_dialog_create(struct hostapd_data *hapd, const u8 *addr, u8 dialog_token) |
| 31 | { |
| 32 | struct sta_info *sta; |
| 33 | struct gas_dialog_info *dia = NULL; |
| 34 | int i, j; |
| 35 | |
| 36 | sta = ap_get_sta(hapd, addr); |
| 37 | if (!sta) { |
| 38 | /* |
| 39 | * We need a STA entry to be able to maintain state for |
| 40 | * the GAS query. |
| 41 | */ |
| 42 | wpa_printf(MSG_DEBUG, "ANQP: Add a temporary STA entry for " |
| 43 | "GAS query"); |
| 44 | sta = ap_sta_add(hapd, addr); |
| 45 | if (!sta) { |
| 46 | wpa_printf(MSG_DEBUG, "Failed to add STA " MACSTR |
| 47 | " for GAS query", MAC2STR(addr)); |
| 48 | return NULL; |
| 49 | } |
| 50 | sta->flags |= WLAN_STA_GAS; |
| 51 | /* |
| 52 | * The default inactivity is 300 seconds. We don't need |
| 53 | * it to be that long. |
| 54 | */ |
| 55 | ap_sta_session_timeout(hapd, sta, 5); |
Dmitry Shmidt | 5460547 | 2013-11-08 11:10:19 -0800 | [diff] [blame] | 56 | } else { |
| 57 | ap_sta_replenish_timeout(hapd, sta, 5); |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 58 | } |
| 59 | |
| 60 | if (sta->gas_dialog == NULL) { |
Dmitry Shmidt | fb45fd5 | 2015-01-05 13:08:17 -0800 | [diff] [blame] | 61 | sta->gas_dialog = os_calloc(GAS_DIALOG_MAX, |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 62 | sizeof(struct gas_dialog_info)); |
| 63 | if (sta->gas_dialog == NULL) |
| 64 | return NULL; |
| 65 | } |
| 66 | |
| 67 | for (i = sta->gas_dialog_next, j = 0; j < GAS_DIALOG_MAX; i++, j++) { |
| 68 | if (i == GAS_DIALOG_MAX) |
| 69 | i = 0; |
| 70 | if (sta->gas_dialog[i].valid) |
| 71 | continue; |
| 72 | dia = &sta->gas_dialog[i]; |
| 73 | dia->valid = 1; |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 74 | dia->dialog_token = dialog_token; |
| 75 | sta->gas_dialog_next = (++i == GAS_DIALOG_MAX) ? 0 : i; |
| 76 | return dia; |
| 77 | } |
| 78 | |
| 79 | wpa_msg(hapd->msg_ctx, MSG_ERROR, "ANQP: Could not create dialog for " |
| 80 | MACSTR " dialog_token %u. Consider increasing " |
| 81 | "GAS_DIALOG_MAX.", MAC2STR(addr), dialog_token); |
| 82 | |
| 83 | return NULL; |
| 84 | } |
| 85 | |
| 86 | |
| 87 | struct gas_dialog_info * |
| 88 | gas_serv_dialog_find(struct hostapd_data *hapd, const u8 *addr, |
| 89 | u8 dialog_token) |
| 90 | { |
| 91 | struct sta_info *sta; |
| 92 | int i; |
| 93 | |
| 94 | sta = ap_get_sta(hapd, addr); |
| 95 | if (!sta) { |
| 96 | wpa_printf(MSG_DEBUG, "ANQP: could not find STA " MACSTR, |
| 97 | MAC2STR(addr)); |
| 98 | return NULL; |
| 99 | } |
| 100 | for (i = 0; sta->gas_dialog && i < GAS_DIALOG_MAX; i++) { |
| 101 | if (sta->gas_dialog[i].dialog_token != dialog_token || |
| 102 | !sta->gas_dialog[i].valid) |
| 103 | continue; |
Dmitry Shmidt | 7d56b75 | 2015-12-22 10:59:44 -0800 | [diff] [blame] | 104 | ap_sta_replenish_timeout(hapd, sta, 5); |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 105 | return &sta->gas_dialog[i]; |
| 106 | } |
| 107 | wpa_printf(MSG_DEBUG, "ANQP: Could not find dialog for " |
| 108 | MACSTR " dialog_token %u", MAC2STR(addr), dialog_token); |
| 109 | return NULL; |
| 110 | } |
| 111 | |
| 112 | |
| 113 | void gas_serv_dialog_clear(struct gas_dialog_info *dia) |
| 114 | { |
| 115 | wpabuf_free(dia->sd_resp); |
| 116 | os_memset(dia, 0, sizeof(*dia)); |
| 117 | } |
| 118 | |
| 119 | |
| 120 | static void gas_serv_free_dialogs(struct hostapd_data *hapd, |
| 121 | const u8 *sta_addr) |
| 122 | { |
| 123 | struct sta_info *sta; |
| 124 | int i; |
| 125 | |
| 126 | sta = ap_get_sta(hapd, sta_addr); |
| 127 | if (sta == NULL || sta->gas_dialog == NULL) |
| 128 | return; |
| 129 | |
| 130 | for (i = 0; i < GAS_DIALOG_MAX; i++) { |
| 131 | if (sta->gas_dialog[i].valid) |
| 132 | return; |
| 133 | } |
| 134 | |
| 135 | os_free(sta->gas_dialog); |
| 136 | sta->gas_dialog = NULL; |
| 137 | } |
| 138 | |
| 139 | |
Dmitry Shmidt | aa53251 | 2012-09-24 10:35:31 -0700 | [diff] [blame] | 140 | #ifdef CONFIG_HS20 |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 141 | static void anqp_add_hs_capab_list(struct hostapd_data *hapd, |
| 142 | struct wpabuf *buf) |
| 143 | { |
| 144 | u8 *len; |
| 145 | |
| 146 | len = gas_anqp_add_element(buf, ANQP_VENDOR_SPECIFIC); |
| 147 | wpabuf_put_be24(buf, OUI_WFA); |
| 148 | wpabuf_put_u8(buf, HS20_ANQP_OUI_TYPE); |
| 149 | wpabuf_put_u8(buf, HS20_STYPE_CAPABILITY_LIST); |
| 150 | wpabuf_put_u8(buf, 0); /* Reserved */ |
| 151 | wpabuf_put_u8(buf, HS20_STYPE_CAPABILITY_LIST); |
| 152 | if (hapd->conf->hs20_oper_friendly_name) |
| 153 | wpabuf_put_u8(buf, HS20_STYPE_OPERATOR_FRIENDLY_NAME); |
| 154 | if (hapd->conf->hs20_wan_metrics) |
| 155 | wpabuf_put_u8(buf, HS20_STYPE_WAN_METRICS); |
| 156 | if (hapd->conf->hs20_connection_capability) |
| 157 | wpabuf_put_u8(buf, HS20_STYPE_CONNECTION_CAPABILITY); |
| 158 | if (hapd->conf->nai_realm_data) |
| 159 | wpabuf_put_u8(buf, HS20_STYPE_NAI_HOME_REALM_QUERY); |
| 160 | if (hapd->conf->hs20_operating_class) |
| 161 | wpabuf_put_u8(buf, HS20_STYPE_OPERATING_CLASS); |
Dmitry Shmidt | f21452a | 2014-02-26 10:55:25 -0800 | [diff] [blame] | 162 | if (hapd->conf->hs20_osu_providers_count) |
| 163 | wpabuf_put_u8(buf, HS20_STYPE_OSU_PROVIDERS_LIST); |
| 164 | if (hapd->conf->hs20_icons_count) |
| 165 | wpabuf_put_u8(buf, HS20_STYPE_ICON_REQUEST); |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 166 | gas_anqp_set_element_len(buf, len); |
| 167 | } |
Dmitry Shmidt | aa53251 | 2012-09-24 10:35:31 -0700 | [diff] [blame] | 168 | #endif /* CONFIG_HS20 */ |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 169 | |
| 170 | |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 171 | static struct anqp_element * get_anqp_elem(struct hostapd_data *hapd, |
| 172 | u16 infoid) |
| 173 | { |
| 174 | struct anqp_element *elem; |
| 175 | |
| 176 | dl_list_for_each(elem, &hapd->conf->anqp_elem, struct anqp_element, |
| 177 | list) { |
| 178 | if (elem->infoid == infoid) |
| 179 | return elem; |
| 180 | } |
| 181 | |
| 182 | return NULL; |
| 183 | } |
| 184 | |
| 185 | |
| 186 | static void anqp_add_elem(struct hostapd_data *hapd, struct wpabuf *buf, |
| 187 | u16 infoid) |
| 188 | { |
| 189 | struct anqp_element *elem; |
| 190 | |
| 191 | elem = get_anqp_elem(hapd, infoid); |
| 192 | if (!elem) |
| 193 | return; |
| 194 | if (wpabuf_tailroom(buf) < 2 + 2 + wpabuf_len(elem->payload)) { |
| 195 | wpa_printf(MSG_DEBUG, "ANQP: No room for InfoID %u payload", |
| 196 | infoid); |
| 197 | return; |
| 198 | } |
| 199 | |
| 200 | wpabuf_put_le16(buf, infoid); |
| 201 | wpabuf_put_le16(buf, wpabuf_len(elem->payload)); |
| 202 | wpabuf_put_buf(buf, elem->payload); |
| 203 | } |
| 204 | |
| 205 | |
| 206 | static int anqp_add_override(struct hostapd_data *hapd, struct wpabuf *buf, |
| 207 | u16 infoid) |
| 208 | { |
| 209 | if (get_anqp_elem(hapd, infoid)) { |
| 210 | anqp_add_elem(hapd, buf, infoid); |
| 211 | return 1; |
| 212 | } |
| 213 | |
| 214 | return 0; |
| 215 | } |
| 216 | |
| 217 | |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 218 | static void anqp_add_capab_list(struct hostapd_data *hapd, |
| 219 | struct wpabuf *buf) |
| 220 | { |
| 221 | u8 *len; |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 222 | u16 id; |
| 223 | |
| 224 | if (anqp_add_override(hapd, buf, ANQP_CAPABILITY_LIST)) |
| 225 | return; |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 226 | |
| 227 | len = gas_anqp_add_element(buf, ANQP_CAPABILITY_LIST); |
| 228 | wpabuf_put_le16(buf, ANQP_CAPABILITY_LIST); |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 229 | if (hapd->conf->venue_name || get_anqp_elem(hapd, ANQP_VENUE_NAME)) |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 230 | wpabuf_put_le16(buf, ANQP_VENUE_NAME); |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 231 | if (get_anqp_elem(hapd, ANQP_EMERGENCY_CALL_NUMBER)) |
| 232 | wpabuf_put_le16(buf, ANQP_EMERGENCY_CALL_NUMBER); |
| 233 | if (hapd->conf->network_auth_type || |
| 234 | get_anqp_elem(hapd, ANQP_NETWORK_AUTH_TYPE)) |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 235 | wpabuf_put_le16(buf, ANQP_NETWORK_AUTH_TYPE); |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 236 | if (hapd->conf->roaming_consortium || |
| 237 | get_anqp_elem(hapd, ANQP_ROAMING_CONSORTIUM)) |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 238 | wpabuf_put_le16(buf, ANQP_ROAMING_CONSORTIUM); |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 239 | if (hapd->conf->ipaddr_type_configured || |
| 240 | get_anqp_elem(hapd, ANQP_IP_ADDR_TYPE_AVAILABILITY)) |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 241 | wpabuf_put_le16(buf, ANQP_IP_ADDR_TYPE_AVAILABILITY); |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 242 | if (hapd->conf->nai_realm_data || |
| 243 | get_anqp_elem(hapd, ANQP_NAI_REALM)) |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 244 | wpabuf_put_le16(buf, ANQP_NAI_REALM); |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 245 | if (hapd->conf->anqp_3gpp_cell_net || |
| 246 | get_anqp_elem(hapd, ANQP_3GPP_CELLULAR_NETWORK)) |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 247 | wpabuf_put_le16(buf, ANQP_3GPP_CELLULAR_NETWORK); |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 248 | if (get_anqp_elem(hapd, ANQP_AP_GEOSPATIAL_LOCATION)) |
| 249 | wpabuf_put_le16(buf, ANQP_AP_GEOSPATIAL_LOCATION); |
| 250 | if (get_anqp_elem(hapd, ANQP_AP_CIVIC_LOCATION)) |
| 251 | wpabuf_put_le16(buf, ANQP_AP_CIVIC_LOCATION); |
| 252 | if (get_anqp_elem(hapd, ANQP_AP_LOCATION_PUBLIC_URI)) |
| 253 | wpabuf_put_le16(buf, ANQP_AP_LOCATION_PUBLIC_URI); |
| 254 | if (hapd->conf->domain_name || get_anqp_elem(hapd, ANQP_DOMAIN_NAME)) |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 255 | wpabuf_put_le16(buf, ANQP_DOMAIN_NAME); |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 256 | if (get_anqp_elem(hapd, ANQP_EMERGENCY_ALERT_URI)) |
| 257 | wpabuf_put_le16(buf, ANQP_EMERGENCY_ALERT_URI); |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 258 | if (get_anqp_elem(hapd, ANQP_TDLS_CAPABILITY)) |
| 259 | wpabuf_put_le16(buf, ANQP_TDLS_CAPABILITY); |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 260 | if (get_anqp_elem(hapd, ANQP_EMERGENCY_NAI)) |
| 261 | wpabuf_put_le16(buf, ANQP_EMERGENCY_NAI); |
| 262 | if (get_anqp_elem(hapd, ANQP_NEIGHBOR_REPORT)) |
| 263 | wpabuf_put_le16(buf, ANQP_NEIGHBOR_REPORT); |
Dmitry Shmidt | 2933359 | 2017-01-09 12:27:11 -0800 | [diff] [blame^] | 264 | #ifdef CONFIG_FILS |
| 265 | if (!dl_list_empty(&hapd->conf->fils_realms) || |
| 266 | get_anqp_elem(hapd, ANQP_FILS_REALM_INFO)) |
| 267 | wpabuf_put_le16(buf, ANQP_FILS_REALM_INFO); |
| 268 | #endif /* CONFIG_FILS */ |
| 269 | if (get_anqp_elem(hapd, ANQP_CAG)) |
| 270 | wpabuf_put_le16(buf, ANQP_CAG); |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 271 | if (get_anqp_elem(hapd, ANQP_VENUE_URL)) |
| 272 | wpabuf_put_le16(buf, ANQP_VENUE_URL); |
| 273 | if (get_anqp_elem(hapd, ANQP_ADVICE_OF_CHARGE)) |
| 274 | wpabuf_put_le16(buf, ANQP_ADVICE_OF_CHARGE); |
| 275 | if (get_anqp_elem(hapd, ANQP_LOCAL_CONTENT)) |
| 276 | wpabuf_put_le16(buf, ANQP_LOCAL_CONTENT); |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 277 | for (id = 280; id < 300; id++) { |
| 278 | if (get_anqp_elem(hapd, id)) |
| 279 | wpabuf_put_le16(buf, id); |
| 280 | } |
Dmitry Shmidt | aa53251 | 2012-09-24 10:35:31 -0700 | [diff] [blame] | 281 | #ifdef CONFIG_HS20 |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 282 | anqp_add_hs_capab_list(hapd, buf); |
Dmitry Shmidt | aa53251 | 2012-09-24 10:35:31 -0700 | [diff] [blame] | 283 | #endif /* CONFIG_HS20 */ |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 284 | gas_anqp_set_element_len(buf, len); |
| 285 | } |
| 286 | |
| 287 | |
| 288 | static void anqp_add_venue_name(struct hostapd_data *hapd, struct wpabuf *buf) |
| 289 | { |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 290 | if (anqp_add_override(hapd, buf, ANQP_VENUE_NAME)) |
| 291 | return; |
| 292 | |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 293 | if (hapd->conf->venue_name) { |
| 294 | u8 *len; |
| 295 | unsigned int i; |
| 296 | len = gas_anqp_add_element(buf, ANQP_VENUE_NAME); |
| 297 | wpabuf_put_u8(buf, hapd->conf->venue_group); |
| 298 | wpabuf_put_u8(buf, hapd->conf->venue_type); |
| 299 | for (i = 0; i < hapd->conf->venue_name_count; i++) { |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 300 | struct hostapd_lang_string *vn; |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 301 | vn = &hapd->conf->venue_name[i]; |
| 302 | wpabuf_put_u8(buf, 3 + vn->name_len); |
| 303 | wpabuf_put_data(buf, vn->lang, 3); |
| 304 | wpabuf_put_data(buf, vn->name, vn->name_len); |
| 305 | } |
| 306 | gas_anqp_set_element_len(buf, len); |
| 307 | } |
| 308 | } |
| 309 | |
| 310 | |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 311 | static void anqp_add_network_auth_type(struct hostapd_data *hapd, |
| 312 | struct wpabuf *buf) |
| 313 | { |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 314 | if (anqp_add_override(hapd, buf, ANQP_NETWORK_AUTH_TYPE)) |
| 315 | return; |
| 316 | |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 317 | if (hapd->conf->network_auth_type) { |
| 318 | wpabuf_put_le16(buf, ANQP_NETWORK_AUTH_TYPE); |
| 319 | wpabuf_put_le16(buf, hapd->conf->network_auth_type_len); |
| 320 | wpabuf_put_data(buf, hapd->conf->network_auth_type, |
| 321 | hapd->conf->network_auth_type_len); |
| 322 | } |
| 323 | } |
| 324 | |
| 325 | |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 326 | static void anqp_add_roaming_consortium(struct hostapd_data *hapd, |
| 327 | struct wpabuf *buf) |
| 328 | { |
| 329 | unsigned int i; |
| 330 | u8 *len; |
| 331 | |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 332 | if (anqp_add_override(hapd, buf, ANQP_ROAMING_CONSORTIUM)) |
| 333 | return; |
| 334 | |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 335 | len = gas_anqp_add_element(buf, ANQP_ROAMING_CONSORTIUM); |
| 336 | for (i = 0; i < hapd->conf->roaming_consortium_count; i++) { |
| 337 | struct hostapd_roaming_consortium *rc; |
| 338 | rc = &hapd->conf->roaming_consortium[i]; |
| 339 | wpabuf_put_u8(buf, rc->len); |
| 340 | wpabuf_put_data(buf, rc->oi, rc->len); |
| 341 | } |
| 342 | gas_anqp_set_element_len(buf, len); |
| 343 | } |
| 344 | |
| 345 | |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 346 | static void anqp_add_ip_addr_type_availability(struct hostapd_data *hapd, |
| 347 | struct wpabuf *buf) |
| 348 | { |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 349 | if (anqp_add_override(hapd, buf, ANQP_IP_ADDR_TYPE_AVAILABILITY)) |
| 350 | return; |
| 351 | |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 352 | if (hapd->conf->ipaddr_type_configured) { |
| 353 | wpabuf_put_le16(buf, ANQP_IP_ADDR_TYPE_AVAILABILITY); |
| 354 | wpabuf_put_le16(buf, 1); |
| 355 | wpabuf_put_u8(buf, hapd->conf->ipaddr_type_availability); |
| 356 | } |
| 357 | } |
| 358 | |
| 359 | |
| 360 | static void anqp_add_nai_realm_eap(struct wpabuf *buf, |
| 361 | struct hostapd_nai_realm_data *realm) |
| 362 | { |
| 363 | unsigned int i, j; |
| 364 | |
| 365 | wpabuf_put_u8(buf, realm->eap_method_count); |
| 366 | |
| 367 | for (i = 0; i < realm->eap_method_count; i++) { |
| 368 | struct hostapd_nai_realm_eap *eap = &realm->eap_method[i]; |
| 369 | wpabuf_put_u8(buf, 2 + (3 * eap->num_auths)); |
| 370 | wpabuf_put_u8(buf, eap->eap_method); |
| 371 | wpabuf_put_u8(buf, eap->num_auths); |
| 372 | for (j = 0; j < eap->num_auths; j++) { |
| 373 | wpabuf_put_u8(buf, eap->auth_id[j]); |
| 374 | wpabuf_put_u8(buf, 1); |
| 375 | wpabuf_put_u8(buf, eap->auth_val[j]); |
| 376 | } |
| 377 | } |
| 378 | } |
| 379 | |
| 380 | |
| 381 | static void anqp_add_nai_realm_data(struct wpabuf *buf, |
| 382 | struct hostapd_nai_realm_data *realm, |
| 383 | unsigned int realm_idx) |
| 384 | { |
| 385 | u8 *realm_data_len; |
| 386 | |
| 387 | wpa_printf(MSG_DEBUG, "realm=%s, len=%d", realm->realm[realm_idx], |
| 388 | (int) os_strlen(realm->realm[realm_idx])); |
| 389 | realm_data_len = wpabuf_put(buf, 2); |
| 390 | wpabuf_put_u8(buf, realm->encoding); |
| 391 | wpabuf_put_u8(buf, os_strlen(realm->realm[realm_idx])); |
| 392 | wpabuf_put_str(buf, realm->realm[realm_idx]); |
| 393 | anqp_add_nai_realm_eap(buf, realm); |
| 394 | gas_anqp_set_element_len(buf, realm_data_len); |
| 395 | } |
| 396 | |
| 397 | |
| 398 | static int hs20_add_nai_home_realm_matches(struct hostapd_data *hapd, |
| 399 | struct wpabuf *buf, |
| 400 | const u8 *home_realm, |
| 401 | size_t home_realm_len) |
| 402 | { |
| 403 | unsigned int i, j, k; |
| 404 | u8 num_realms, num_matching = 0, encoding, realm_len, *realm_list_len; |
| 405 | struct hostapd_nai_realm_data *realm; |
| 406 | const u8 *pos, *realm_name, *end; |
| 407 | struct { |
| 408 | unsigned int realm_data_idx; |
| 409 | unsigned int realm_idx; |
| 410 | } matches[10]; |
| 411 | |
| 412 | pos = home_realm; |
| 413 | end = pos + home_realm_len; |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 414 | if (end - pos < 1) { |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 415 | wpa_hexdump(MSG_DEBUG, "Too short NAI Home Realm Query", |
| 416 | home_realm, home_realm_len); |
| 417 | return -1; |
| 418 | } |
| 419 | num_realms = *pos++; |
| 420 | |
| 421 | for (i = 0; i < num_realms && num_matching < 10; i++) { |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 422 | if (end - pos < 2) { |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 423 | wpa_hexdump(MSG_DEBUG, |
| 424 | "Truncated NAI Home Realm Query", |
| 425 | home_realm, home_realm_len); |
| 426 | return -1; |
| 427 | } |
| 428 | encoding = *pos++; |
| 429 | realm_len = *pos++; |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 430 | if (realm_len > end - pos) { |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 431 | wpa_hexdump(MSG_DEBUG, |
| 432 | "Truncated NAI Home Realm Query", |
| 433 | home_realm, home_realm_len); |
| 434 | return -1; |
| 435 | } |
| 436 | realm_name = pos; |
| 437 | for (j = 0; j < hapd->conf->nai_realm_count && |
| 438 | num_matching < 10; j++) { |
| 439 | const u8 *rpos, *rend; |
| 440 | realm = &hapd->conf->nai_realm_data[j]; |
| 441 | if (encoding != realm->encoding) |
| 442 | continue; |
| 443 | |
| 444 | rpos = realm_name; |
| 445 | while (rpos < realm_name + realm_len && |
| 446 | num_matching < 10) { |
| 447 | for (rend = rpos; |
| 448 | rend < realm_name + realm_len; rend++) { |
| 449 | if (*rend == ';') |
| 450 | break; |
| 451 | } |
| 452 | for (k = 0; k < MAX_NAI_REALMS && |
| 453 | realm->realm[k] && |
| 454 | num_matching < 10; k++) { |
| 455 | if ((int) os_strlen(realm->realm[k]) != |
| 456 | rend - rpos || |
| 457 | os_strncmp((char *) rpos, |
| 458 | realm->realm[k], |
| 459 | rend - rpos) != 0) |
| 460 | continue; |
| 461 | matches[num_matching].realm_data_idx = |
| 462 | j; |
| 463 | matches[num_matching].realm_idx = k; |
| 464 | num_matching++; |
| 465 | } |
| 466 | rpos = rend + 1; |
| 467 | } |
| 468 | } |
| 469 | pos += realm_len; |
| 470 | } |
| 471 | |
| 472 | realm_list_len = gas_anqp_add_element(buf, ANQP_NAI_REALM); |
| 473 | wpabuf_put_le16(buf, num_matching); |
| 474 | |
| 475 | /* |
| 476 | * There are two ways to format. 1. each realm in a NAI Realm Data unit |
| 477 | * 2. all realms that share the same EAP methods in a NAI Realm Data |
| 478 | * unit. The first format is likely to be bigger in size than the |
| 479 | * second, but may be easier to parse and process by the receiver. |
| 480 | */ |
| 481 | for (i = 0; i < num_matching; i++) { |
| 482 | wpa_printf(MSG_DEBUG, "realm_idx %d, realm_data_idx %d", |
| 483 | matches[i].realm_data_idx, matches[i].realm_idx); |
| 484 | realm = &hapd->conf->nai_realm_data[matches[i].realm_data_idx]; |
| 485 | anqp_add_nai_realm_data(buf, realm, matches[i].realm_idx); |
| 486 | } |
| 487 | gas_anqp_set_element_len(buf, realm_list_len); |
| 488 | return 0; |
| 489 | } |
| 490 | |
| 491 | |
| 492 | static void anqp_add_nai_realm(struct hostapd_data *hapd, struct wpabuf *buf, |
| 493 | const u8 *home_realm, size_t home_realm_len, |
| 494 | int nai_realm, int nai_home_realm) |
| 495 | { |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 496 | if (nai_realm && !nai_home_realm && |
| 497 | anqp_add_override(hapd, buf, ANQP_NAI_REALM)) |
| 498 | return; |
| 499 | |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 500 | if (nai_realm && hapd->conf->nai_realm_data) { |
| 501 | u8 *len; |
| 502 | unsigned int i, j; |
| 503 | len = gas_anqp_add_element(buf, ANQP_NAI_REALM); |
| 504 | wpabuf_put_le16(buf, hapd->conf->nai_realm_count); |
| 505 | for (i = 0; i < hapd->conf->nai_realm_count; i++) { |
| 506 | u8 *realm_data_len, *realm_len; |
| 507 | struct hostapd_nai_realm_data *realm; |
| 508 | |
| 509 | realm = &hapd->conf->nai_realm_data[i]; |
| 510 | realm_data_len = wpabuf_put(buf, 2); |
| 511 | wpabuf_put_u8(buf, realm->encoding); |
| 512 | realm_len = wpabuf_put(buf, 1); |
| 513 | for (j = 0; realm->realm[j]; j++) { |
| 514 | if (j > 0) |
| 515 | wpabuf_put_u8(buf, ';'); |
| 516 | wpabuf_put_str(buf, realm->realm[j]); |
| 517 | } |
| 518 | *realm_len = (u8 *) wpabuf_put(buf, 0) - realm_len - 1; |
| 519 | anqp_add_nai_realm_eap(buf, realm); |
| 520 | gas_anqp_set_element_len(buf, realm_data_len); |
| 521 | } |
| 522 | gas_anqp_set_element_len(buf, len); |
Dmitry Shmidt | 09f57ba | 2014-06-10 16:07:13 -0700 | [diff] [blame] | 523 | } else if (nai_home_realm && hapd->conf->nai_realm_data && home_realm) { |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 524 | hs20_add_nai_home_realm_matches(hapd, buf, home_realm, |
| 525 | home_realm_len); |
| 526 | } |
| 527 | } |
| 528 | |
| 529 | |
| 530 | static void anqp_add_3gpp_cellular_network(struct hostapd_data *hapd, |
| 531 | struct wpabuf *buf) |
| 532 | { |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 533 | if (anqp_add_override(hapd, buf, ANQP_3GPP_CELLULAR_NETWORK)) |
| 534 | return; |
| 535 | |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 536 | if (hapd->conf->anqp_3gpp_cell_net) { |
| 537 | wpabuf_put_le16(buf, ANQP_3GPP_CELLULAR_NETWORK); |
| 538 | wpabuf_put_le16(buf, |
| 539 | hapd->conf->anqp_3gpp_cell_net_len); |
| 540 | wpabuf_put_data(buf, hapd->conf->anqp_3gpp_cell_net, |
| 541 | hapd->conf->anqp_3gpp_cell_net_len); |
| 542 | } |
| 543 | } |
| 544 | |
| 545 | |
| 546 | static void anqp_add_domain_name(struct hostapd_data *hapd, struct wpabuf *buf) |
| 547 | { |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 548 | if (anqp_add_override(hapd, buf, ANQP_DOMAIN_NAME)) |
| 549 | return; |
| 550 | |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 551 | if (hapd->conf->domain_name) { |
| 552 | wpabuf_put_le16(buf, ANQP_DOMAIN_NAME); |
| 553 | wpabuf_put_le16(buf, hapd->conf->domain_name_len); |
| 554 | wpabuf_put_data(buf, hapd->conf->domain_name, |
| 555 | hapd->conf->domain_name_len); |
| 556 | } |
| 557 | } |
| 558 | |
| 559 | |
Dmitry Shmidt | 2933359 | 2017-01-09 12:27:11 -0800 | [diff] [blame^] | 560 | #ifdef CONFIG_FILS |
| 561 | static void anqp_add_fils_realm_info(struct hostapd_data *hapd, |
| 562 | struct wpabuf *buf) |
| 563 | { |
| 564 | size_t count; |
| 565 | |
| 566 | if (anqp_add_override(hapd, buf, ANQP_FILS_REALM_INFO)) |
| 567 | return; |
| 568 | |
| 569 | count = dl_list_len(&hapd->conf->fils_realms); |
| 570 | if (count > 10000) |
| 571 | count = 10000; |
| 572 | if (count) { |
| 573 | struct fils_realm *realm; |
| 574 | |
| 575 | wpabuf_put_le16(buf, ANQP_FILS_REALM_INFO); |
| 576 | wpabuf_put_le16(buf, 2 * count); |
| 577 | |
| 578 | dl_list_for_each(realm, &hapd->conf->fils_realms, |
| 579 | struct fils_realm, list) { |
| 580 | if (count == 0) |
| 581 | break; |
| 582 | wpabuf_put_data(buf, realm->hash, 2); |
| 583 | count--; |
| 584 | } |
| 585 | } |
| 586 | } |
| 587 | #endif /* CONFIG_FILS */ |
| 588 | |
| 589 | |
Dmitry Shmidt | aa53251 | 2012-09-24 10:35:31 -0700 | [diff] [blame] | 590 | #ifdef CONFIG_HS20 |
| 591 | |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 592 | static void anqp_add_operator_friendly_name(struct hostapd_data *hapd, |
| 593 | struct wpabuf *buf) |
| 594 | { |
| 595 | if (hapd->conf->hs20_oper_friendly_name) { |
| 596 | u8 *len; |
| 597 | unsigned int i; |
| 598 | len = gas_anqp_add_element(buf, ANQP_VENDOR_SPECIFIC); |
| 599 | wpabuf_put_be24(buf, OUI_WFA); |
| 600 | wpabuf_put_u8(buf, HS20_ANQP_OUI_TYPE); |
| 601 | wpabuf_put_u8(buf, HS20_STYPE_OPERATOR_FRIENDLY_NAME); |
| 602 | wpabuf_put_u8(buf, 0); /* Reserved */ |
| 603 | for (i = 0; i < hapd->conf->hs20_oper_friendly_name_count; i++) |
| 604 | { |
| 605 | struct hostapd_lang_string *vn; |
| 606 | vn = &hapd->conf->hs20_oper_friendly_name[i]; |
| 607 | wpabuf_put_u8(buf, 3 + vn->name_len); |
| 608 | wpabuf_put_data(buf, vn->lang, 3); |
| 609 | wpabuf_put_data(buf, vn->name, vn->name_len); |
| 610 | } |
| 611 | gas_anqp_set_element_len(buf, len); |
| 612 | } |
| 613 | } |
| 614 | |
| 615 | |
| 616 | static void anqp_add_wan_metrics(struct hostapd_data *hapd, |
| 617 | struct wpabuf *buf) |
| 618 | { |
| 619 | if (hapd->conf->hs20_wan_metrics) { |
| 620 | u8 *len = gas_anqp_add_element(buf, ANQP_VENDOR_SPECIFIC); |
| 621 | wpabuf_put_be24(buf, OUI_WFA); |
| 622 | wpabuf_put_u8(buf, HS20_ANQP_OUI_TYPE); |
| 623 | wpabuf_put_u8(buf, HS20_STYPE_WAN_METRICS); |
| 624 | wpabuf_put_u8(buf, 0); /* Reserved */ |
| 625 | wpabuf_put_data(buf, hapd->conf->hs20_wan_metrics, 13); |
| 626 | gas_anqp_set_element_len(buf, len); |
| 627 | } |
| 628 | } |
| 629 | |
| 630 | |
| 631 | static void anqp_add_connection_capability(struct hostapd_data *hapd, |
| 632 | struct wpabuf *buf) |
| 633 | { |
| 634 | if (hapd->conf->hs20_connection_capability) { |
| 635 | u8 *len = gas_anqp_add_element(buf, ANQP_VENDOR_SPECIFIC); |
| 636 | wpabuf_put_be24(buf, OUI_WFA); |
| 637 | wpabuf_put_u8(buf, HS20_ANQP_OUI_TYPE); |
| 638 | wpabuf_put_u8(buf, HS20_STYPE_CONNECTION_CAPABILITY); |
| 639 | wpabuf_put_u8(buf, 0); /* Reserved */ |
| 640 | wpabuf_put_data(buf, hapd->conf->hs20_connection_capability, |
| 641 | hapd->conf->hs20_connection_capability_len); |
| 642 | gas_anqp_set_element_len(buf, len); |
| 643 | } |
| 644 | } |
| 645 | |
| 646 | |
| 647 | static void anqp_add_operating_class(struct hostapd_data *hapd, |
| 648 | struct wpabuf *buf) |
| 649 | { |
| 650 | if (hapd->conf->hs20_operating_class) { |
| 651 | u8 *len = gas_anqp_add_element(buf, ANQP_VENDOR_SPECIFIC); |
| 652 | wpabuf_put_be24(buf, OUI_WFA); |
| 653 | wpabuf_put_u8(buf, HS20_ANQP_OUI_TYPE); |
| 654 | wpabuf_put_u8(buf, HS20_STYPE_OPERATING_CLASS); |
| 655 | wpabuf_put_u8(buf, 0); /* Reserved */ |
| 656 | wpabuf_put_data(buf, hapd->conf->hs20_operating_class, |
| 657 | hapd->conf->hs20_operating_class_len); |
| 658 | gas_anqp_set_element_len(buf, len); |
| 659 | } |
| 660 | } |
| 661 | |
Dmitry Shmidt | f21452a | 2014-02-26 10:55:25 -0800 | [diff] [blame] | 662 | |
| 663 | static void anqp_add_osu_provider(struct wpabuf *buf, |
| 664 | struct hostapd_bss_config *bss, |
| 665 | struct hs20_osu_provider *p) |
| 666 | { |
| 667 | u8 *len, *len2, *count; |
| 668 | unsigned int i; |
| 669 | |
| 670 | len = wpabuf_put(buf, 2); /* OSU Provider Length to be filled */ |
| 671 | |
| 672 | /* OSU Friendly Name Duples */ |
| 673 | len2 = wpabuf_put(buf, 2); |
| 674 | for (i = 0; i < p->friendly_name_count; i++) { |
| 675 | struct hostapd_lang_string *s = &p->friendly_name[i]; |
| 676 | wpabuf_put_u8(buf, 3 + s->name_len); |
| 677 | wpabuf_put_data(buf, s->lang, 3); |
| 678 | wpabuf_put_data(buf, s->name, s->name_len); |
| 679 | } |
| 680 | WPA_PUT_LE16(len2, (u8 *) wpabuf_put(buf, 0) - len2 - 2); |
| 681 | |
| 682 | /* OSU Server URI */ |
| 683 | if (p->server_uri) { |
| 684 | wpabuf_put_u8(buf, os_strlen(p->server_uri)); |
| 685 | wpabuf_put_str(buf, p->server_uri); |
| 686 | } else |
| 687 | wpabuf_put_u8(buf, 0); |
| 688 | |
| 689 | /* OSU Method List */ |
| 690 | count = wpabuf_put(buf, 1); |
| 691 | for (i = 0; p->method_list[i] >= 0; i++) |
| 692 | wpabuf_put_u8(buf, p->method_list[i]); |
| 693 | *count = i; |
| 694 | |
| 695 | /* Icons Available */ |
| 696 | len2 = wpabuf_put(buf, 2); |
| 697 | for (i = 0; i < p->icons_count; i++) { |
| 698 | size_t j; |
| 699 | struct hs20_icon *icon = NULL; |
| 700 | |
| 701 | for (j = 0; j < bss->hs20_icons_count && !icon; j++) { |
| 702 | if (os_strcmp(p->icons[i], bss->hs20_icons[j].name) == |
| 703 | 0) |
| 704 | icon = &bss->hs20_icons[j]; |
| 705 | } |
| 706 | if (!icon) |
| 707 | continue; /* icon info not found */ |
| 708 | |
| 709 | wpabuf_put_le16(buf, icon->width); |
| 710 | wpabuf_put_le16(buf, icon->height); |
| 711 | wpabuf_put_data(buf, icon->language, 3); |
| 712 | wpabuf_put_u8(buf, os_strlen(icon->type)); |
| 713 | wpabuf_put_str(buf, icon->type); |
| 714 | wpabuf_put_u8(buf, os_strlen(icon->name)); |
| 715 | wpabuf_put_str(buf, icon->name); |
| 716 | } |
| 717 | WPA_PUT_LE16(len2, (u8 *) wpabuf_put(buf, 0) - len2 - 2); |
| 718 | |
| 719 | /* OSU_NAI */ |
| 720 | if (p->osu_nai) { |
| 721 | wpabuf_put_u8(buf, os_strlen(p->osu_nai)); |
| 722 | wpabuf_put_str(buf, p->osu_nai); |
| 723 | } else |
| 724 | wpabuf_put_u8(buf, 0); |
| 725 | |
| 726 | /* OSU Service Description Duples */ |
| 727 | len2 = wpabuf_put(buf, 2); |
| 728 | for (i = 0; i < p->service_desc_count; i++) { |
| 729 | struct hostapd_lang_string *s = &p->service_desc[i]; |
| 730 | wpabuf_put_u8(buf, 3 + s->name_len); |
| 731 | wpabuf_put_data(buf, s->lang, 3); |
| 732 | wpabuf_put_data(buf, s->name, s->name_len); |
| 733 | } |
| 734 | WPA_PUT_LE16(len2, (u8 *) wpabuf_put(buf, 0) - len2 - 2); |
| 735 | |
| 736 | WPA_PUT_LE16(len, (u8 *) wpabuf_put(buf, 0) - len - 2); |
| 737 | } |
| 738 | |
| 739 | |
| 740 | static void anqp_add_osu_providers_list(struct hostapd_data *hapd, |
| 741 | struct wpabuf *buf) |
| 742 | { |
| 743 | if (hapd->conf->hs20_osu_providers_count) { |
| 744 | size_t i; |
| 745 | u8 *len = gas_anqp_add_element(buf, ANQP_VENDOR_SPECIFIC); |
| 746 | wpabuf_put_be24(buf, OUI_WFA); |
| 747 | wpabuf_put_u8(buf, HS20_ANQP_OUI_TYPE); |
| 748 | wpabuf_put_u8(buf, HS20_STYPE_OSU_PROVIDERS_LIST); |
| 749 | wpabuf_put_u8(buf, 0); /* Reserved */ |
| 750 | |
| 751 | /* OSU SSID */ |
| 752 | wpabuf_put_u8(buf, hapd->conf->osu_ssid_len); |
| 753 | wpabuf_put_data(buf, hapd->conf->osu_ssid, |
| 754 | hapd->conf->osu_ssid_len); |
| 755 | |
| 756 | /* Number of OSU Providers */ |
| 757 | wpabuf_put_u8(buf, hapd->conf->hs20_osu_providers_count); |
| 758 | |
| 759 | for (i = 0; i < hapd->conf->hs20_osu_providers_count; i++) { |
| 760 | anqp_add_osu_provider( |
| 761 | buf, hapd->conf, |
| 762 | &hapd->conf->hs20_osu_providers[i]); |
| 763 | } |
| 764 | |
| 765 | gas_anqp_set_element_len(buf, len); |
| 766 | } |
| 767 | } |
| 768 | |
| 769 | |
| 770 | static void anqp_add_icon_binary_file(struct hostapd_data *hapd, |
| 771 | struct wpabuf *buf, |
| 772 | const u8 *name, size_t name_len) |
| 773 | { |
| 774 | struct hs20_icon *icon; |
| 775 | size_t i; |
| 776 | u8 *len; |
| 777 | |
| 778 | wpa_hexdump_ascii(MSG_DEBUG, "HS 2.0: Requested Icon Filename", |
| 779 | name, name_len); |
| 780 | for (i = 0; i < hapd->conf->hs20_icons_count; i++) { |
| 781 | icon = &hapd->conf->hs20_icons[i]; |
| 782 | if (name_len == os_strlen(icon->name) && |
| 783 | os_memcmp(name, icon->name, name_len) == 0) |
| 784 | break; |
| 785 | } |
| 786 | |
| 787 | if (i < hapd->conf->hs20_icons_count) |
| 788 | icon = &hapd->conf->hs20_icons[i]; |
| 789 | else |
| 790 | icon = NULL; |
| 791 | |
| 792 | len = gas_anqp_add_element(buf, ANQP_VENDOR_SPECIFIC); |
| 793 | wpabuf_put_be24(buf, OUI_WFA); |
| 794 | wpabuf_put_u8(buf, HS20_ANQP_OUI_TYPE); |
| 795 | wpabuf_put_u8(buf, HS20_STYPE_ICON_BINARY_FILE); |
| 796 | wpabuf_put_u8(buf, 0); /* Reserved */ |
| 797 | |
| 798 | if (icon) { |
| 799 | char *data; |
| 800 | size_t data_len; |
| 801 | |
| 802 | data = os_readfile(icon->file, &data_len); |
| 803 | if (data == NULL || data_len > 65535) { |
| 804 | wpabuf_put_u8(buf, 2); /* Download Status: |
| 805 | * Unspecified file error */ |
| 806 | wpabuf_put_u8(buf, 0); |
| 807 | wpabuf_put_le16(buf, 0); |
| 808 | } else { |
| 809 | wpabuf_put_u8(buf, 0); /* Download Status: Success */ |
| 810 | wpabuf_put_u8(buf, os_strlen(icon->type)); |
| 811 | wpabuf_put_str(buf, icon->type); |
| 812 | wpabuf_put_le16(buf, data_len); |
| 813 | wpabuf_put_data(buf, data, data_len); |
| 814 | } |
| 815 | os_free(data); |
| 816 | } else { |
| 817 | wpabuf_put_u8(buf, 1); /* Download Status: File not found */ |
| 818 | wpabuf_put_u8(buf, 0); |
| 819 | wpabuf_put_le16(buf, 0); |
| 820 | } |
| 821 | |
| 822 | gas_anqp_set_element_len(buf, len); |
| 823 | } |
| 824 | |
Dmitry Shmidt | aa53251 | 2012-09-24 10:35:31 -0700 | [diff] [blame] | 825 | #endif /* CONFIG_HS20 */ |
| 826 | |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 827 | |
Dmitry Shmidt | b97e428 | 2016-02-08 10:16:07 -0800 | [diff] [blame] | 828 | static size_t anqp_get_required_len(struct hostapd_data *hapd, |
| 829 | const u16 *infoid, |
| 830 | unsigned int num_infoid) |
| 831 | { |
| 832 | size_t len = 0; |
| 833 | unsigned int i; |
| 834 | |
| 835 | for (i = 0; i < num_infoid; i++) { |
| 836 | struct anqp_element *elem = get_anqp_elem(hapd, infoid[i]); |
| 837 | |
| 838 | if (elem) |
| 839 | len += 2 + 2 + wpabuf_len(elem->payload); |
| 840 | } |
| 841 | |
| 842 | return len; |
| 843 | } |
| 844 | |
| 845 | |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 846 | static struct wpabuf * |
| 847 | gas_serv_build_gas_resp_payload(struct hostapd_data *hapd, |
| 848 | unsigned int request, |
Dmitry Shmidt | f21452a | 2014-02-26 10:55:25 -0800 | [diff] [blame] | 849 | const u8 *home_realm, size_t home_realm_len, |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 850 | const u8 *icon_name, size_t icon_name_len, |
| 851 | const u16 *extra_req, |
| 852 | unsigned int num_extra_req) |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 853 | { |
| 854 | struct wpabuf *buf; |
Dmitry Shmidt | f21452a | 2014-02-26 10:55:25 -0800 | [diff] [blame] | 855 | size_t len; |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 856 | unsigned int i; |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 857 | |
Dmitry Shmidt | f21452a | 2014-02-26 10:55:25 -0800 | [diff] [blame] | 858 | len = 1400; |
| 859 | if (request & (ANQP_REQ_NAI_REALM | ANQP_REQ_NAI_HOME_REALM)) |
| 860 | len += 1000; |
| 861 | if (request & ANQP_REQ_ICON_REQUEST) |
| 862 | len += 65536; |
Dmitry Shmidt | 2933359 | 2017-01-09 12:27:11 -0800 | [diff] [blame^] | 863 | #ifdef CONFIG_FILS |
| 864 | if (request & ANQP_FILS_REALM_INFO) |
| 865 | len += 2 * dl_list_len(&hapd->conf->fils_realms); |
| 866 | #endif /* CONFIG_FILS */ |
Dmitry Shmidt | b97e428 | 2016-02-08 10:16:07 -0800 | [diff] [blame] | 867 | len += anqp_get_required_len(hapd, extra_req, num_extra_req); |
Dmitry Shmidt | f21452a | 2014-02-26 10:55:25 -0800 | [diff] [blame] | 868 | |
| 869 | buf = wpabuf_alloc(len); |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 870 | if (buf == NULL) |
| 871 | return NULL; |
| 872 | |
| 873 | if (request & ANQP_REQ_CAPABILITY_LIST) |
| 874 | anqp_add_capab_list(hapd, buf); |
| 875 | if (request & ANQP_REQ_VENUE_NAME) |
| 876 | anqp_add_venue_name(hapd, buf); |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 877 | if (request & ANQP_REQ_EMERGENCY_CALL_NUMBER) |
| 878 | anqp_add_elem(hapd, buf, ANQP_EMERGENCY_CALL_NUMBER); |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 879 | if (request & ANQP_REQ_NETWORK_AUTH_TYPE) |
| 880 | anqp_add_network_auth_type(hapd, buf); |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 881 | if (request & ANQP_REQ_ROAMING_CONSORTIUM) |
| 882 | anqp_add_roaming_consortium(hapd, buf); |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 883 | if (request & ANQP_REQ_IP_ADDR_TYPE_AVAILABILITY) |
| 884 | anqp_add_ip_addr_type_availability(hapd, buf); |
| 885 | if (request & (ANQP_REQ_NAI_REALM | ANQP_REQ_NAI_HOME_REALM)) |
| 886 | anqp_add_nai_realm(hapd, buf, home_realm, home_realm_len, |
| 887 | request & ANQP_REQ_NAI_REALM, |
| 888 | request & ANQP_REQ_NAI_HOME_REALM); |
| 889 | if (request & ANQP_REQ_3GPP_CELLULAR_NETWORK) |
| 890 | anqp_add_3gpp_cellular_network(hapd, buf); |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 891 | if (request & ANQP_REQ_AP_GEOSPATIAL_LOCATION) |
| 892 | anqp_add_elem(hapd, buf, ANQP_AP_GEOSPATIAL_LOCATION); |
| 893 | if (request & ANQP_REQ_AP_CIVIC_LOCATION) |
| 894 | anqp_add_elem(hapd, buf, ANQP_AP_CIVIC_LOCATION); |
| 895 | if (request & ANQP_REQ_AP_LOCATION_PUBLIC_URI) |
| 896 | anqp_add_elem(hapd, buf, ANQP_AP_LOCATION_PUBLIC_URI); |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 897 | if (request & ANQP_REQ_DOMAIN_NAME) |
| 898 | anqp_add_domain_name(hapd, buf); |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 899 | if (request & ANQP_REQ_EMERGENCY_ALERT_URI) |
| 900 | anqp_add_elem(hapd, buf, ANQP_EMERGENCY_ALERT_URI); |
| 901 | if (request & ANQP_REQ_TDLS_CAPABILITY) |
| 902 | anqp_add_elem(hapd, buf, ANQP_TDLS_CAPABILITY); |
| 903 | if (request & ANQP_REQ_EMERGENCY_NAI) |
| 904 | anqp_add_elem(hapd, buf, ANQP_EMERGENCY_NAI); |
| 905 | |
Dmitry Shmidt | 2933359 | 2017-01-09 12:27:11 -0800 | [diff] [blame^] | 906 | for (i = 0; i < num_extra_req; i++) { |
| 907 | #ifdef CONFIG_FILS |
| 908 | if (extra_req[i] == ANQP_FILS_REALM_INFO) { |
| 909 | anqp_add_fils_realm_info(hapd, buf); |
| 910 | continue; |
| 911 | } |
| 912 | #endif /* CONFIG_FILS */ |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 913 | anqp_add_elem(hapd, buf, extra_req[i]); |
Dmitry Shmidt | 2933359 | 2017-01-09 12:27:11 -0800 | [diff] [blame^] | 914 | } |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 915 | |
Dmitry Shmidt | aa53251 | 2012-09-24 10:35:31 -0700 | [diff] [blame] | 916 | #ifdef CONFIG_HS20 |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 917 | if (request & ANQP_REQ_HS_CAPABILITY_LIST) |
| 918 | anqp_add_hs_capab_list(hapd, buf); |
| 919 | if (request & ANQP_REQ_OPERATOR_FRIENDLY_NAME) |
| 920 | anqp_add_operator_friendly_name(hapd, buf); |
| 921 | if (request & ANQP_REQ_WAN_METRICS) |
| 922 | anqp_add_wan_metrics(hapd, buf); |
| 923 | if (request & ANQP_REQ_CONNECTION_CAPABILITY) |
| 924 | anqp_add_connection_capability(hapd, buf); |
| 925 | if (request & ANQP_REQ_OPERATING_CLASS) |
| 926 | anqp_add_operating_class(hapd, buf); |
Dmitry Shmidt | f21452a | 2014-02-26 10:55:25 -0800 | [diff] [blame] | 927 | if (request & ANQP_REQ_OSU_PROVIDERS_LIST) |
| 928 | anqp_add_osu_providers_list(hapd, buf); |
| 929 | if (request & ANQP_REQ_ICON_REQUEST) |
| 930 | anqp_add_icon_binary_file(hapd, buf, icon_name, icon_name_len); |
Dmitry Shmidt | aa53251 | 2012-09-24 10:35:31 -0700 | [diff] [blame] | 931 | #endif /* CONFIG_HS20 */ |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 932 | |
| 933 | return buf; |
| 934 | } |
| 935 | |
| 936 | |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 937 | #define ANQP_MAX_EXTRA_REQ 20 |
| 938 | |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 939 | struct anqp_query_info { |
| 940 | unsigned int request; |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 941 | const u8 *home_realm_query; |
| 942 | size_t home_realm_query_len; |
Dmitry Shmidt | f21452a | 2014-02-26 10:55:25 -0800 | [diff] [blame] | 943 | const u8 *icon_name; |
| 944 | size_t icon_name_len; |
Dmitry Shmidt | fb45fd5 | 2015-01-05 13:08:17 -0800 | [diff] [blame] | 945 | int p2p_sd; |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 946 | u16 extra_req[ANQP_MAX_EXTRA_REQ]; |
| 947 | unsigned int num_extra_req; |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 948 | }; |
| 949 | |
| 950 | |
| 951 | static void set_anqp_req(unsigned int bit, const char *name, int local, |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 952 | struct anqp_query_info *qi) |
| 953 | { |
| 954 | qi->request |= bit; |
| 955 | if (local) { |
| 956 | wpa_printf(MSG_DEBUG, "ANQP: %s (local)", name); |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 957 | } else { |
| 958 | wpa_printf(MSG_DEBUG, "ANQP: %s not available", name); |
| 959 | } |
| 960 | } |
| 961 | |
| 962 | |
| 963 | static void rx_anqp_query_list_id(struct hostapd_data *hapd, u16 info_id, |
| 964 | struct anqp_query_info *qi) |
| 965 | { |
| 966 | switch (info_id) { |
| 967 | case ANQP_CAPABILITY_LIST: |
Dmitry Shmidt | b36ed7c | 2014-03-17 10:57:26 -0700 | [diff] [blame] | 968 | set_anqp_req(ANQP_REQ_CAPABILITY_LIST, "Capability List", 1, |
| 969 | qi); |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 970 | break; |
| 971 | case ANQP_VENUE_NAME: |
| 972 | set_anqp_req(ANQP_REQ_VENUE_NAME, "Venue Name", |
Dmitry Shmidt | b36ed7c | 2014-03-17 10:57:26 -0700 | [diff] [blame] | 973 | hapd->conf->venue_name != NULL, qi); |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 974 | break; |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 975 | case ANQP_EMERGENCY_CALL_NUMBER: |
| 976 | set_anqp_req(ANQP_REQ_EMERGENCY_CALL_NUMBER, |
| 977 | "Emergency Call Number", |
| 978 | get_anqp_elem(hapd, info_id) != NULL, qi); |
| 979 | break; |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 980 | case ANQP_NETWORK_AUTH_TYPE: |
| 981 | set_anqp_req(ANQP_REQ_NETWORK_AUTH_TYPE, "Network Auth Type", |
Dmitry Shmidt | b36ed7c | 2014-03-17 10:57:26 -0700 | [diff] [blame] | 982 | hapd->conf->network_auth_type != NULL, qi); |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 983 | break; |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 984 | case ANQP_ROAMING_CONSORTIUM: |
| 985 | set_anqp_req(ANQP_REQ_ROAMING_CONSORTIUM, "Roaming Consortium", |
Dmitry Shmidt | b36ed7c | 2014-03-17 10:57:26 -0700 | [diff] [blame] | 986 | hapd->conf->roaming_consortium != NULL, qi); |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 987 | break; |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 988 | case ANQP_IP_ADDR_TYPE_AVAILABILITY: |
| 989 | set_anqp_req(ANQP_REQ_IP_ADDR_TYPE_AVAILABILITY, |
| 990 | "IP Addr Type Availability", |
Dmitry Shmidt | b36ed7c | 2014-03-17 10:57:26 -0700 | [diff] [blame] | 991 | hapd->conf->ipaddr_type_configured, qi); |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 992 | break; |
| 993 | case ANQP_NAI_REALM: |
| 994 | set_anqp_req(ANQP_REQ_NAI_REALM, "NAI Realm", |
Dmitry Shmidt | b36ed7c | 2014-03-17 10:57:26 -0700 | [diff] [blame] | 995 | hapd->conf->nai_realm_data != NULL, qi); |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 996 | break; |
| 997 | case ANQP_3GPP_CELLULAR_NETWORK: |
| 998 | set_anqp_req(ANQP_REQ_3GPP_CELLULAR_NETWORK, |
| 999 | "3GPP Cellular Network", |
Dmitry Shmidt | b36ed7c | 2014-03-17 10:57:26 -0700 | [diff] [blame] | 1000 | hapd->conf->anqp_3gpp_cell_net != NULL, qi); |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 1001 | break; |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 1002 | case ANQP_AP_GEOSPATIAL_LOCATION: |
| 1003 | set_anqp_req(ANQP_REQ_AP_GEOSPATIAL_LOCATION, |
| 1004 | "AP Geospatial Location", |
| 1005 | get_anqp_elem(hapd, info_id) != NULL, qi); |
| 1006 | break; |
| 1007 | case ANQP_AP_CIVIC_LOCATION: |
| 1008 | set_anqp_req(ANQP_REQ_AP_CIVIC_LOCATION, |
| 1009 | "AP Civic Location", |
| 1010 | get_anqp_elem(hapd, info_id) != NULL, qi); |
| 1011 | break; |
| 1012 | case ANQP_AP_LOCATION_PUBLIC_URI: |
| 1013 | set_anqp_req(ANQP_REQ_AP_LOCATION_PUBLIC_URI, |
| 1014 | "AP Location Public URI", |
| 1015 | get_anqp_elem(hapd, info_id) != NULL, qi); |
| 1016 | break; |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 1017 | case ANQP_DOMAIN_NAME: |
| 1018 | set_anqp_req(ANQP_REQ_DOMAIN_NAME, "Domain Name", |
Dmitry Shmidt | b36ed7c | 2014-03-17 10:57:26 -0700 | [diff] [blame] | 1019 | hapd->conf->domain_name != NULL, qi); |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 1020 | break; |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 1021 | case ANQP_EMERGENCY_ALERT_URI: |
| 1022 | set_anqp_req(ANQP_REQ_EMERGENCY_ALERT_URI, |
| 1023 | "Emergency Alert URI", |
| 1024 | get_anqp_elem(hapd, info_id) != NULL, qi); |
| 1025 | break; |
| 1026 | case ANQP_TDLS_CAPABILITY: |
| 1027 | set_anqp_req(ANQP_REQ_TDLS_CAPABILITY, |
| 1028 | "TDLS Capability", |
| 1029 | get_anqp_elem(hapd, info_id) != NULL, qi); |
| 1030 | break; |
| 1031 | case ANQP_EMERGENCY_NAI: |
| 1032 | set_anqp_req(ANQP_REQ_EMERGENCY_NAI, |
| 1033 | "Emergency NAI", |
| 1034 | get_anqp_elem(hapd, info_id) != NULL, qi); |
| 1035 | break; |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 1036 | default: |
Dmitry Shmidt | 2933359 | 2017-01-09 12:27:11 -0800 | [diff] [blame^] | 1037 | #ifdef CONFIG_FILS |
| 1038 | if (info_id == ANQP_FILS_REALM_INFO && |
| 1039 | !dl_list_empty(&hapd->conf->fils_realms)) { |
| 1040 | wpa_printf(MSG_DEBUG, |
| 1041 | "ANQP: FILS Realm Information (local)"); |
| 1042 | } else |
| 1043 | #endif /* CONFIG_FILS */ |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 1044 | if (!get_anqp_elem(hapd, info_id)) { |
| 1045 | wpa_printf(MSG_DEBUG, "ANQP: Unsupported Info Id %u", |
| 1046 | info_id); |
| 1047 | break; |
| 1048 | } |
| 1049 | if (qi->num_extra_req == ANQP_MAX_EXTRA_REQ) { |
| 1050 | wpa_printf(MSG_DEBUG, |
| 1051 | "ANQP: No more room for extra requests - ignore Info Id %u", |
| 1052 | info_id); |
| 1053 | break; |
| 1054 | } |
| 1055 | wpa_printf(MSG_DEBUG, "ANQP: Info Id %u (local)", info_id); |
| 1056 | qi->extra_req[qi->num_extra_req] = info_id; |
| 1057 | qi->num_extra_req++; |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 1058 | break; |
| 1059 | } |
| 1060 | } |
| 1061 | |
| 1062 | |
| 1063 | static void rx_anqp_query_list(struct hostapd_data *hapd, |
| 1064 | const u8 *pos, const u8 *end, |
| 1065 | struct anqp_query_info *qi) |
| 1066 | { |
| 1067 | wpa_printf(MSG_DEBUG, "ANQP: %u Info IDs requested in Query list", |
| 1068 | (unsigned int) (end - pos) / 2); |
| 1069 | |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 1070 | while (end - pos >= 2) { |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 1071 | rx_anqp_query_list_id(hapd, WPA_GET_LE16(pos), qi); |
| 1072 | pos += 2; |
| 1073 | } |
| 1074 | } |
| 1075 | |
| 1076 | |
Dmitry Shmidt | aa53251 | 2012-09-24 10:35:31 -0700 | [diff] [blame] | 1077 | #ifdef CONFIG_HS20 |
| 1078 | |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 1079 | static void rx_anqp_hs_query_list(struct hostapd_data *hapd, u8 subtype, |
| 1080 | struct anqp_query_info *qi) |
| 1081 | { |
| 1082 | switch (subtype) { |
| 1083 | case HS20_STYPE_CAPABILITY_LIST: |
| 1084 | set_anqp_req(ANQP_REQ_HS_CAPABILITY_LIST, "HS Capability List", |
Dmitry Shmidt | b36ed7c | 2014-03-17 10:57:26 -0700 | [diff] [blame] | 1085 | 1, qi); |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 1086 | break; |
| 1087 | case HS20_STYPE_OPERATOR_FRIENDLY_NAME: |
| 1088 | set_anqp_req(ANQP_REQ_OPERATOR_FRIENDLY_NAME, |
| 1089 | "Operator Friendly Name", |
Dmitry Shmidt | b36ed7c | 2014-03-17 10:57:26 -0700 | [diff] [blame] | 1090 | hapd->conf->hs20_oper_friendly_name != NULL, qi); |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 1091 | break; |
| 1092 | case HS20_STYPE_WAN_METRICS: |
| 1093 | set_anqp_req(ANQP_REQ_WAN_METRICS, "WAN Metrics", |
Dmitry Shmidt | b36ed7c | 2014-03-17 10:57:26 -0700 | [diff] [blame] | 1094 | hapd->conf->hs20_wan_metrics != NULL, qi); |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 1095 | break; |
| 1096 | case HS20_STYPE_CONNECTION_CAPABILITY: |
| 1097 | set_anqp_req(ANQP_REQ_CONNECTION_CAPABILITY, |
| 1098 | "Connection Capability", |
| 1099 | hapd->conf->hs20_connection_capability != NULL, |
Dmitry Shmidt | b36ed7c | 2014-03-17 10:57:26 -0700 | [diff] [blame] | 1100 | qi); |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 1101 | break; |
| 1102 | case HS20_STYPE_OPERATING_CLASS: |
| 1103 | set_anqp_req(ANQP_REQ_OPERATING_CLASS, "Operating Class", |
Dmitry Shmidt | b36ed7c | 2014-03-17 10:57:26 -0700 | [diff] [blame] | 1104 | hapd->conf->hs20_operating_class != NULL, qi); |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 1105 | break; |
Dmitry Shmidt | f21452a | 2014-02-26 10:55:25 -0800 | [diff] [blame] | 1106 | case HS20_STYPE_OSU_PROVIDERS_LIST: |
| 1107 | set_anqp_req(ANQP_REQ_OSU_PROVIDERS_LIST, "OSU Providers list", |
Dmitry Shmidt | b36ed7c | 2014-03-17 10:57:26 -0700 | [diff] [blame] | 1108 | hapd->conf->hs20_osu_providers_count, qi); |
Dmitry Shmidt | f21452a | 2014-02-26 10:55:25 -0800 | [diff] [blame] | 1109 | break; |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 1110 | default: |
| 1111 | wpa_printf(MSG_DEBUG, "ANQP: Unsupported HS 2.0 subtype %u", |
| 1112 | subtype); |
| 1113 | break; |
| 1114 | } |
| 1115 | } |
| 1116 | |
| 1117 | |
| 1118 | static void rx_anqp_hs_nai_home_realm(struct hostapd_data *hapd, |
| 1119 | const u8 *pos, const u8 *end, |
| 1120 | struct anqp_query_info *qi) |
| 1121 | { |
| 1122 | qi->request |= ANQP_REQ_NAI_HOME_REALM; |
| 1123 | qi->home_realm_query = pos; |
| 1124 | qi->home_realm_query_len = end - pos; |
| 1125 | if (hapd->conf->nai_realm_data != NULL) { |
| 1126 | wpa_printf(MSG_DEBUG, "ANQP: HS 2.0 NAI Home Realm Query " |
| 1127 | "(local)"); |
| 1128 | } else { |
| 1129 | wpa_printf(MSG_DEBUG, "ANQP: HS 2.0 NAI Home Realm Query not " |
| 1130 | "available"); |
| 1131 | } |
| 1132 | } |
| 1133 | |
| 1134 | |
Dmitry Shmidt | f21452a | 2014-02-26 10:55:25 -0800 | [diff] [blame] | 1135 | static void rx_anqp_hs_icon_request(struct hostapd_data *hapd, |
| 1136 | const u8 *pos, const u8 *end, |
| 1137 | struct anqp_query_info *qi) |
| 1138 | { |
| 1139 | qi->request |= ANQP_REQ_ICON_REQUEST; |
| 1140 | qi->icon_name = pos; |
| 1141 | qi->icon_name_len = end - pos; |
| 1142 | if (hapd->conf->hs20_icons_count) { |
| 1143 | wpa_printf(MSG_DEBUG, "ANQP: HS 2.0 Icon Request Query " |
| 1144 | "(local)"); |
| 1145 | } else { |
| 1146 | wpa_printf(MSG_DEBUG, "ANQP: HS 2.0 Icon Request Query not " |
| 1147 | "available"); |
| 1148 | } |
| 1149 | } |
| 1150 | |
| 1151 | |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 1152 | static void rx_anqp_vendor_specific(struct hostapd_data *hapd, |
| 1153 | const u8 *pos, const u8 *end, |
| 1154 | struct anqp_query_info *qi) |
| 1155 | { |
| 1156 | u32 oui; |
| 1157 | u8 subtype; |
| 1158 | |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 1159 | if (end - pos < 4) { |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 1160 | wpa_printf(MSG_DEBUG, "ANQP: Too short vendor specific ANQP " |
| 1161 | "Query element"); |
| 1162 | return; |
| 1163 | } |
| 1164 | |
| 1165 | oui = WPA_GET_BE24(pos); |
| 1166 | pos += 3; |
| 1167 | if (oui != OUI_WFA) { |
| 1168 | wpa_printf(MSG_DEBUG, "ANQP: Unsupported vendor OUI %06x", |
| 1169 | oui); |
| 1170 | return; |
| 1171 | } |
| 1172 | |
Dmitry Shmidt | fb45fd5 | 2015-01-05 13:08:17 -0800 | [diff] [blame] | 1173 | #ifdef CONFIG_P2P |
| 1174 | if (*pos == P2P_OUI_TYPE) { |
| 1175 | /* |
| 1176 | * This is for P2P SD and will be taken care of by the P2P |
| 1177 | * implementation. This query needs to be ignored in the generic |
| 1178 | * GAS server to avoid duplicated response. |
| 1179 | */ |
| 1180 | wpa_printf(MSG_DEBUG, |
| 1181 | "ANQP: Ignore WFA vendor type %u (P2P SD) in generic GAS server", |
| 1182 | *pos); |
| 1183 | qi->p2p_sd = 1; |
| 1184 | return; |
| 1185 | } |
| 1186 | #endif /* CONFIG_P2P */ |
| 1187 | |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 1188 | if (*pos != HS20_ANQP_OUI_TYPE) { |
| 1189 | wpa_printf(MSG_DEBUG, "ANQP: Unsupported WFA vendor type %u", |
| 1190 | *pos); |
| 1191 | return; |
| 1192 | } |
| 1193 | pos++; |
| 1194 | |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 1195 | if (end - pos <= 1) |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 1196 | return; |
| 1197 | |
| 1198 | subtype = *pos++; |
| 1199 | pos++; /* Reserved */ |
| 1200 | switch (subtype) { |
| 1201 | case HS20_STYPE_QUERY_LIST: |
| 1202 | wpa_printf(MSG_DEBUG, "ANQP: HS 2.0 Query List"); |
| 1203 | while (pos < end) { |
| 1204 | rx_anqp_hs_query_list(hapd, *pos, qi); |
| 1205 | pos++; |
| 1206 | } |
| 1207 | break; |
| 1208 | case HS20_STYPE_NAI_HOME_REALM_QUERY: |
| 1209 | rx_anqp_hs_nai_home_realm(hapd, pos, end, qi); |
| 1210 | break; |
Dmitry Shmidt | f21452a | 2014-02-26 10:55:25 -0800 | [diff] [blame] | 1211 | case HS20_STYPE_ICON_REQUEST: |
| 1212 | rx_anqp_hs_icon_request(hapd, pos, end, qi); |
| 1213 | break; |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 1214 | default: |
| 1215 | wpa_printf(MSG_DEBUG, "ANQP: Unsupported HS 2.0 query subtype " |
| 1216 | "%u", subtype); |
| 1217 | break; |
| 1218 | } |
| 1219 | } |
| 1220 | |
Dmitry Shmidt | aa53251 | 2012-09-24 10:35:31 -0700 | [diff] [blame] | 1221 | #endif /* CONFIG_HS20 */ |
| 1222 | |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 1223 | |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 1224 | static void gas_serv_req_local_processing(struct hostapd_data *hapd, |
| 1225 | const u8 *sa, u8 dialog_token, |
Dmitry Shmidt | d5ab1b5 | 2016-06-21 12:38:41 -0700 | [diff] [blame] | 1226 | struct anqp_query_info *qi, int prot, |
| 1227 | int std_addr3) |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 1228 | { |
| 1229 | struct wpabuf *buf, *tx_buf; |
| 1230 | |
Dmitry Shmidt | 09f57ba | 2014-06-10 16:07:13 -0700 | [diff] [blame] | 1231 | buf = gas_serv_build_gas_resp_payload(hapd, qi->request, |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 1232 | qi->home_realm_query, |
Dmitry Shmidt | f21452a | 2014-02-26 10:55:25 -0800 | [diff] [blame] | 1233 | qi->home_realm_query_len, |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 1234 | qi->icon_name, qi->icon_name_len, |
| 1235 | qi->extra_req, qi->num_extra_req); |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 1236 | wpa_hexdump_buf(MSG_MSGDUMP, "ANQP: Locally generated ANQP responses", |
| 1237 | buf); |
| 1238 | if (!buf) |
| 1239 | return; |
Dmitry Shmidt | fb45fd5 | 2015-01-05 13:08:17 -0800 | [diff] [blame] | 1240 | #ifdef CONFIG_P2P |
| 1241 | if (wpabuf_len(buf) == 0 && qi->p2p_sd) { |
| 1242 | wpa_printf(MSG_DEBUG, |
| 1243 | "ANQP: Do not send response to P2P SD from generic GAS service (P2P SD implementation will process this)"); |
| 1244 | wpabuf_free(buf); |
| 1245 | return; |
| 1246 | } |
| 1247 | #endif /* CONFIG_P2P */ |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 1248 | |
Dmitry Shmidt | 2933359 | 2017-01-09 12:27:11 -0800 | [diff] [blame^] | 1249 | if (wpabuf_len(buf) > hapd->conf->gas_frag_limit || |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 1250 | hapd->conf->gas_comeback_delay) { |
| 1251 | struct gas_dialog_info *di; |
| 1252 | u16 comeback_delay = 1; |
| 1253 | |
| 1254 | if (hapd->conf->gas_comeback_delay) { |
| 1255 | /* Testing - allow overriding of the delay value */ |
| 1256 | comeback_delay = hapd->conf->gas_comeback_delay; |
| 1257 | } |
| 1258 | |
| 1259 | wpa_printf(MSG_DEBUG, "ANQP: Too long response to fit in " |
| 1260 | "initial response - use GAS comeback"); |
| 1261 | di = gas_dialog_create(hapd, sa, dialog_token); |
| 1262 | if (!di) { |
| 1263 | wpa_printf(MSG_INFO, "ANQP: Could not create dialog " |
| 1264 | "for " MACSTR " (dialog token %u)", |
| 1265 | MAC2STR(sa), dialog_token); |
| 1266 | wpabuf_free(buf); |
Dmitry Shmidt | 76cd2cc | 2014-05-27 12:56:04 -0700 | [diff] [blame] | 1267 | tx_buf = gas_anqp_build_initial_resp_buf( |
| 1268 | dialog_token, WLAN_STATUS_UNSPECIFIED_FAILURE, |
| 1269 | 0, NULL); |
| 1270 | } else { |
| 1271 | di->prot = prot; |
| 1272 | di->sd_resp = buf; |
| 1273 | di->sd_resp_pos = 0; |
| 1274 | tx_buf = gas_anqp_build_initial_resp_buf( |
| 1275 | dialog_token, WLAN_STATUS_SUCCESS, |
| 1276 | comeback_delay, NULL); |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 1277 | } |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 1278 | } else { |
| 1279 | wpa_printf(MSG_DEBUG, "ANQP: Initial response (no comeback)"); |
| 1280 | tx_buf = gas_anqp_build_initial_resp_buf( |
| 1281 | dialog_token, WLAN_STATUS_SUCCESS, 0, buf); |
| 1282 | wpabuf_free(buf); |
| 1283 | } |
| 1284 | if (!tx_buf) |
| 1285 | return; |
Dmitry Shmidt | 1846323 | 2014-01-24 12:29:41 -0800 | [diff] [blame] | 1286 | if (prot) |
| 1287 | convert_to_protected_dual(tx_buf); |
Dmitry Shmidt | d5ab1b5 | 2016-06-21 12:38:41 -0700 | [diff] [blame] | 1288 | if (std_addr3) |
| 1289 | hostapd_drv_send_action(hapd, hapd->iface->freq, 0, sa, |
| 1290 | wpabuf_head(tx_buf), |
| 1291 | wpabuf_len(tx_buf)); |
| 1292 | else |
| 1293 | hostapd_drv_send_action_addr3_ap(hapd, hapd->iface->freq, 0, sa, |
| 1294 | wpabuf_head(tx_buf), |
| 1295 | wpabuf_len(tx_buf)); |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 1296 | wpabuf_free(tx_buf); |
| 1297 | } |
| 1298 | |
| 1299 | |
| 1300 | static void gas_serv_rx_gas_initial_req(struct hostapd_data *hapd, |
| 1301 | const u8 *sa, |
Dmitry Shmidt | d5ab1b5 | 2016-06-21 12:38:41 -0700 | [diff] [blame] | 1302 | const u8 *data, size_t len, int prot, |
| 1303 | int std_addr3) |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 1304 | { |
| 1305 | const u8 *pos = data; |
| 1306 | const u8 *end = data + len; |
| 1307 | const u8 *next; |
| 1308 | u8 dialog_token; |
| 1309 | u16 slen; |
| 1310 | struct anqp_query_info qi; |
| 1311 | const u8 *adv_proto; |
| 1312 | |
| 1313 | if (len < 1 + 2) |
| 1314 | return; |
| 1315 | |
| 1316 | os_memset(&qi, 0, sizeof(qi)); |
| 1317 | |
| 1318 | dialog_token = *pos++; |
| 1319 | wpa_msg(hapd->msg_ctx, MSG_DEBUG, |
| 1320 | "GAS: GAS Initial Request from " MACSTR " (dialog token %u) ", |
| 1321 | MAC2STR(sa), dialog_token); |
| 1322 | |
| 1323 | if (*pos != WLAN_EID_ADV_PROTO) { |
| 1324 | wpa_msg(hapd->msg_ctx, MSG_DEBUG, |
| 1325 | "GAS: Unexpected IE in GAS Initial Request: %u", *pos); |
| 1326 | return; |
| 1327 | } |
| 1328 | adv_proto = pos++; |
| 1329 | |
| 1330 | slen = *pos++; |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 1331 | if (slen > end - pos || slen < 2) { |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 1332 | wpa_msg(hapd->msg_ctx, MSG_DEBUG, |
| 1333 | "GAS: Invalid IE in GAS Initial Request"); |
| 1334 | return; |
| 1335 | } |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 1336 | next = pos + slen; |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 1337 | pos++; /* skip QueryRespLenLimit and PAME-BI */ |
| 1338 | |
| 1339 | if (*pos != ACCESS_NETWORK_QUERY_PROTOCOL) { |
| 1340 | struct wpabuf *buf; |
| 1341 | wpa_msg(hapd->msg_ctx, MSG_DEBUG, |
| 1342 | "GAS: Unsupported GAS advertisement protocol id %u", |
| 1343 | *pos); |
| 1344 | if (sa[0] & 0x01) |
| 1345 | return; /* Invalid source address - drop silently */ |
| 1346 | buf = gas_build_initial_resp( |
| 1347 | dialog_token, WLAN_STATUS_GAS_ADV_PROTO_NOT_SUPPORTED, |
| 1348 | 0, 2 + slen + 2); |
| 1349 | if (buf == NULL) |
| 1350 | return; |
| 1351 | wpabuf_put_data(buf, adv_proto, 2 + slen); |
| 1352 | wpabuf_put_le16(buf, 0); /* Query Response Length */ |
Dmitry Shmidt | 1846323 | 2014-01-24 12:29:41 -0800 | [diff] [blame] | 1353 | if (prot) |
| 1354 | convert_to_protected_dual(buf); |
Dmitry Shmidt | d5ab1b5 | 2016-06-21 12:38:41 -0700 | [diff] [blame] | 1355 | if (std_addr3) |
| 1356 | hostapd_drv_send_action(hapd, hapd->iface->freq, 0, sa, |
| 1357 | wpabuf_head(buf), |
| 1358 | wpabuf_len(buf)); |
| 1359 | else |
| 1360 | hostapd_drv_send_action_addr3_ap(hapd, |
| 1361 | hapd->iface->freq, 0, |
| 1362 | sa, wpabuf_head(buf), |
| 1363 | wpabuf_len(buf)); |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 1364 | wpabuf_free(buf); |
| 1365 | return; |
| 1366 | } |
| 1367 | |
| 1368 | pos = next; |
| 1369 | /* Query Request */ |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 1370 | if (end - pos < 2) |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 1371 | return; |
| 1372 | slen = WPA_GET_LE16(pos); |
| 1373 | pos += 2; |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 1374 | if (slen > end - pos) |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 1375 | return; |
| 1376 | end = pos + slen; |
| 1377 | |
| 1378 | /* ANQP Query Request */ |
| 1379 | while (pos < end) { |
| 1380 | u16 info_id, elen; |
| 1381 | |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 1382 | if (end - pos < 4) |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 1383 | return; |
| 1384 | |
| 1385 | info_id = WPA_GET_LE16(pos); |
| 1386 | pos += 2; |
| 1387 | elen = WPA_GET_LE16(pos); |
| 1388 | pos += 2; |
| 1389 | |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 1390 | if (elen > end - pos) { |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 1391 | wpa_printf(MSG_DEBUG, "ANQP: Invalid Query Request"); |
| 1392 | return; |
| 1393 | } |
| 1394 | |
| 1395 | switch (info_id) { |
| 1396 | case ANQP_QUERY_LIST: |
| 1397 | rx_anqp_query_list(hapd, pos, pos + elen, &qi); |
| 1398 | break; |
Dmitry Shmidt | aa53251 | 2012-09-24 10:35:31 -0700 | [diff] [blame] | 1399 | #ifdef CONFIG_HS20 |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 1400 | case ANQP_VENDOR_SPECIFIC: |
| 1401 | rx_anqp_vendor_specific(hapd, pos, pos + elen, &qi); |
| 1402 | break; |
Dmitry Shmidt | aa53251 | 2012-09-24 10:35:31 -0700 | [diff] [blame] | 1403 | #endif /* CONFIG_HS20 */ |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 1404 | default: |
| 1405 | wpa_printf(MSG_DEBUG, "ANQP: Unsupported Query " |
| 1406 | "Request element %u", info_id); |
| 1407 | break; |
| 1408 | } |
| 1409 | |
| 1410 | pos += elen; |
| 1411 | } |
| 1412 | |
Dmitry Shmidt | d5ab1b5 | 2016-06-21 12:38:41 -0700 | [diff] [blame] | 1413 | gas_serv_req_local_processing(hapd, sa, dialog_token, &qi, prot, |
| 1414 | std_addr3); |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 1415 | } |
| 1416 | |
| 1417 | |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 1418 | static void gas_serv_rx_gas_comeback_req(struct hostapd_data *hapd, |
| 1419 | const u8 *sa, |
Dmitry Shmidt | d5ab1b5 | 2016-06-21 12:38:41 -0700 | [diff] [blame] | 1420 | const u8 *data, size_t len, int prot, |
| 1421 | int std_addr3) |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 1422 | { |
| 1423 | struct gas_dialog_info *dialog; |
| 1424 | struct wpabuf *buf, *tx_buf; |
| 1425 | u8 dialog_token; |
| 1426 | size_t frag_len; |
| 1427 | int more = 0; |
| 1428 | |
| 1429 | wpa_hexdump(MSG_DEBUG, "GAS: RX GAS Comeback Request", data, len); |
| 1430 | if (len < 1) |
| 1431 | return; |
| 1432 | dialog_token = *data; |
| 1433 | wpa_msg(hapd->msg_ctx, MSG_DEBUG, "GAS: Dialog Token: %u", |
| 1434 | dialog_token); |
| 1435 | |
| 1436 | dialog = gas_serv_dialog_find(hapd, sa, dialog_token); |
| 1437 | if (!dialog) { |
| 1438 | wpa_msg(hapd->msg_ctx, MSG_DEBUG, "GAS: No pending SD " |
| 1439 | "response fragment for " MACSTR " dialog token %u", |
| 1440 | MAC2STR(sa), dialog_token); |
| 1441 | |
| 1442 | if (sa[0] & 0x01) |
| 1443 | return; /* Invalid source address - drop silently */ |
| 1444 | tx_buf = gas_anqp_build_comeback_resp_buf( |
| 1445 | dialog_token, WLAN_STATUS_NO_OUTSTANDING_GAS_REQ, 0, 0, |
| 1446 | 0, NULL); |
| 1447 | if (tx_buf == NULL) |
| 1448 | return; |
| 1449 | goto send_resp; |
| 1450 | } |
| 1451 | |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 1452 | frag_len = wpabuf_len(dialog->sd_resp) - dialog->sd_resp_pos; |
Dmitry Shmidt | 2933359 | 2017-01-09 12:27:11 -0800 | [diff] [blame^] | 1453 | if (frag_len > hapd->conf->gas_frag_limit) { |
| 1454 | frag_len = hapd->conf->gas_frag_limit; |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 1455 | more = 1; |
| 1456 | } |
| 1457 | wpa_msg(hapd->msg_ctx, MSG_DEBUG, "GAS: resp frag_len %u", |
| 1458 | (unsigned int) frag_len); |
| 1459 | buf = wpabuf_alloc_copy(wpabuf_head_u8(dialog->sd_resp) + |
| 1460 | dialog->sd_resp_pos, frag_len); |
| 1461 | if (buf == NULL) { |
| 1462 | wpa_msg(hapd->msg_ctx, MSG_DEBUG, "GAS: Failed to allocate " |
| 1463 | "buffer"); |
Dmitry Shmidt | b36ed7c | 2014-03-17 10:57:26 -0700 | [diff] [blame] | 1464 | gas_serv_dialog_clear(dialog); |
| 1465 | return; |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 1466 | } |
| 1467 | tx_buf = gas_anqp_build_comeback_resp_buf(dialog_token, |
| 1468 | WLAN_STATUS_SUCCESS, |
| 1469 | dialog->sd_frag_id, |
| 1470 | more, 0, buf); |
| 1471 | wpabuf_free(buf); |
Dmitry Shmidt | b36ed7c | 2014-03-17 10:57:26 -0700 | [diff] [blame] | 1472 | if (tx_buf == NULL) { |
| 1473 | gas_serv_dialog_clear(dialog); |
| 1474 | return; |
| 1475 | } |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 1476 | wpa_msg(hapd->msg_ctx, MSG_DEBUG, "GAS: Tx GAS Comeback Response " |
| 1477 | "(frag_id %d more=%d frag_len=%d)", |
| 1478 | dialog->sd_frag_id, more, (int) frag_len); |
| 1479 | dialog->sd_frag_id++; |
| 1480 | dialog->sd_resp_pos += frag_len; |
| 1481 | |
| 1482 | if (more) { |
| 1483 | wpa_msg(hapd->msg_ctx, MSG_DEBUG, "GAS: %d more bytes remain " |
| 1484 | "to be sent", |
| 1485 | (int) (wpabuf_len(dialog->sd_resp) - |
| 1486 | dialog->sd_resp_pos)); |
| 1487 | } else { |
| 1488 | wpa_msg(hapd->msg_ctx, MSG_DEBUG, "GAS: All fragments of " |
| 1489 | "SD response sent"); |
| 1490 | gas_serv_dialog_clear(dialog); |
| 1491 | gas_serv_free_dialogs(hapd, sa); |
| 1492 | } |
| 1493 | |
| 1494 | send_resp: |
Dmitry Shmidt | 1846323 | 2014-01-24 12:29:41 -0800 | [diff] [blame] | 1495 | if (prot) |
| 1496 | convert_to_protected_dual(tx_buf); |
Dmitry Shmidt | d5ab1b5 | 2016-06-21 12:38:41 -0700 | [diff] [blame] | 1497 | if (std_addr3) |
| 1498 | hostapd_drv_send_action(hapd, hapd->iface->freq, 0, sa, |
| 1499 | wpabuf_head(tx_buf), |
| 1500 | wpabuf_len(tx_buf)); |
| 1501 | else |
| 1502 | hostapd_drv_send_action_addr3_ap(hapd, hapd->iface->freq, 0, sa, |
| 1503 | wpabuf_head(tx_buf), |
| 1504 | wpabuf_len(tx_buf)); |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 1505 | wpabuf_free(tx_buf); |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 1506 | } |
| 1507 | |
| 1508 | |
| 1509 | static void gas_serv_rx_public_action(void *ctx, const u8 *buf, size_t len, |
| 1510 | int freq) |
| 1511 | { |
| 1512 | struct hostapd_data *hapd = ctx; |
| 1513 | const struct ieee80211_mgmt *mgmt; |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 1514 | const u8 *sa, *data; |
Dmitry Shmidt | d5ab1b5 | 2016-06-21 12:38:41 -0700 | [diff] [blame] | 1515 | int prot, std_addr3; |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 1516 | |
| 1517 | mgmt = (const struct ieee80211_mgmt *) buf; |
Dmitry Shmidt | 623d63a | 2014-06-13 11:05:14 -0700 | [diff] [blame] | 1518 | if (len < IEEE80211_HDRLEN + 2) |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 1519 | return; |
Dmitry Shmidt | 1846323 | 2014-01-24 12:29:41 -0800 | [diff] [blame] | 1520 | if (mgmt->u.action.category != WLAN_ACTION_PUBLIC && |
| 1521 | mgmt->u.action.category != WLAN_ACTION_PROTECTED_DUAL) |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 1522 | return; |
Dmitry Shmidt | 1846323 | 2014-01-24 12:29:41 -0800 | [diff] [blame] | 1523 | /* |
| 1524 | * Note: Public Action and Protected Dual of Public Action frames share |
| 1525 | * the same payload structure, so it is fine to use definitions of |
| 1526 | * Public Action frames to process both. |
| 1527 | */ |
| 1528 | prot = mgmt->u.action.category == WLAN_ACTION_PROTECTED_DUAL; |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 1529 | sa = mgmt->sa; |
Dmitry Shmidt | d5ab1b5 | 2016-06-21 12:38:41 -0700 | [diff] [blame] | 1530 | if (hapd->conf->gas_address3 == 1) |
| 1531 | std_addr3 = 1; |
| 1532 | else if (hapd->conf->gas_address3 == 2) |
| 1533 | std_addr3 = 0; |
| 1534 | else |
| 1535 | std_addr3 = is_broadcast_ether_addr(mgmt->bssid); |
Dmitry Shmidt | 623d63a | 2014-06-13 11:05:14 -0700 | [diff] [blame] | 1536 | len -= IEEE80211_HDRLEN + 1; |
| 1537 | data = buf + IEEE80211_HDRLEN + 1; |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 1538 | switch (data[0]) { |
| 1539 | case WLAN_PA_GAS_INITIAL_REQ: |
Dmitry Shmidt | d5ab1b5 | 2016-06-21 12:38:41 -0700 | [diff] [blame] | 1540 | gas_serv_rx_gas_initial_req(hapd, sa, data + 1, len - 1, prot, |
| 1541 | std_addr3); |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 1542 | break; |
| 1543 | case WLAN_PA_GAS_COMEBACK_REQ: |
Dmitry Shmidt | d5ab1b5 | 2016-06-21 12:38:41 -0700 | [diff] [blame] | 1544 | gas_serv_rx_gas_comeback_req(hapd, sa, data + 1, len - 1, prot, |
| 1545 | std_addr3); |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 1546 | break; |
| 1547 | } |
| 1548 | } |
| 1549 | |
| 1550 | |
| 1551 | int gas_serv_init(struct hostapd_data *hapd) |
| 1552 | { |
Dmitry Shmidt | 4b9d52f | 2013-02-05 17:44:43 -0800 | [diff] [blame] | 1553 | hapd->public_action_cb2 = gas_serv_rx_public_action; |
| 1554 | hapd->public_action_cb2_ctx = hapd; |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 1555 | return 0; |
| 1556 | } |
| 1557 | |
| 1558 | |
| 1559 | void gas_serv_deinit(struct hostapd_data *hapd) |
| 1560 | { |
| 1561 | } |