Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1 | /* |
| 2 | * WPA Supplicant - Driver event processing |
Dmitry Shmidt | c5ec7f5 | 2012-03-06 16:33:24 -0800 | [diff] [blame] | 3 | * Copyright (c) 2003-2012, Jouni Malinen <j@w1.fi> |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 4 | * |
Dmitry Shmidt | c5ec7f5 | 2012-03-06 16:33:24 -0800 | [diff] [blame] | 5 | * This software may be distributed under the terms of the BSD license. |
| 6 | * See README for more details. |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 7 | */ |
| 8 | |
| 9 | #include "includes.h" |
| 10 | |
| 11 | #include "common.h" |
| 12 | #include "eapol_supp/eapol_supp_sm.h" |
| 13 | #include "rsn_supp/wpa.h" |
| 14 | #include "eloop.h" |
| 15 | #include "config.h" |
| 16 | #include "l2_packet/l2_packet.h" |
| 17 | #include "wpa_supplicant_i.h" |
| 18 | #include "driver_i.h" |
| 19 | #include "pcsc_funcs.h" |
| 20 | #include "rsn_supp/preauth.h" |
| 21 | #include "rsn_supp/pmksa_cache.h" |
| 22 | #include "common/wpa_ctrl.h" |
| 23 | #include "eap_peer/eap.h" |
| 24 | #include "ap/hostapd.h" |
| 25 | #include "p2p/p2p.h" |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 26 | #include "wnm_sta.h" |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 27 | #include "notify.h" |
| 28 | #include "common/ieee802_11_defs.h" |
| 29 | #include "common/ieee802_11_common.h" |
| 30 | #include "crypto/random.h" |
| 31 | #include "blacklist.h" |
| 32 | #include "wpas_glue.h" |
| 33 | #include "wps_supplicant.h" |
| 34 | #include "ibss_rsn.h" |
| 35 | #include "sme.h" |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 36 | #include "gas_query.h" |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 37 | #include "p2p_supplicant.h" |
| 38 | #include "bgscan.h" |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 39 | #include "autoscan.h" |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 40 | #include "ap.h" |
| 41 | #include "bss.h" |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 42 | #include "scan.h" |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 43 | #include "offchannel.h" |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 44 | #include "interworking.h" |
| 45 | |
| 46 | |
Dmitry Shmidt | 4b9d52f | 2013-02-05 17:44:43 -0800 | [diff] [blame] | 47 | static int wpas_select_network_from_last_scan(struct wpa_supplicant *wpa_s); |
| 48 | |
| 49 | |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 50 | static int wpas_temp_disabled(struct wpa_supplicant *wpa_s, |
| 51 | struct wpa_ssid *ssid) |
| 52 | { |
| 53 | struct os_time now; |
| 54 | |
| 55 | if (ssid == NULL || ssid->disabled_until.sec == 0) |
| 56 | return 0; |
| 57 | |
| 58 | os_get_time(&now); |
| 59 | if (ssid->disabled_until.sec > now.sec) |
| 60 | return ssid->disabled_until.sec - now.sec; |
| 61 | |
| 62 | wpas_clear_temp_disabled(wpa_s, ssid, 0); |
| 63 | |
| 64 | return 0; |
| 65 | } |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 66 | |
| 67 | |
| 68 | static int wpa_supplicant_select_config(struct wpa_supplicant *wpa_s) |
| 69 | { |
| 70 | struct wpa_ssid *ssid, *old_ssid; |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 71 | int res; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 72 | |
| 73 | if (wpa_s->conf->ap_scan == 1 && wpa_s->current_ssid) |
| 74 | return 0; |
| 75 | |
| 76 | wpa_dbg(wpa_s, MSG_DEBUG, "Select network based on association " |
| 77 | "information"); |
| 78 | ssid = wpa_supplicant_get_ssid(wpa_s); |
| 79 | if (ssid == NULL) { |
| 80 | wpa_msg(wpa_s, MSG_INFO, |
| 81 | "No network configuration found for the current AP"); |
| 82 | return -1; |
| 83 | } |
| 84 | |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 85 | if (wpas_network_disabled(wpa_s, ssid)) { |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 86 | wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is disabled"); |
| 87 | return -1; |
| 88 | } |
| 89 | |
Dmitry Shmidt | d5e4923 | 2012-12-03 15:08:10 -0800 | [diff] [blame] | 90 | if (disallowed_bssid(wpa_s, wpa_s->bssid) || |
| 91 | disallowed_ssid(wpa_s, ssid->ssid, ssid->ssid_len)) { |
| 92 | wpa_dbg(wpa_s, MSG_DEBUG, "Selected BSS is disallowed"); |
| 93 | return -1; |
| 94 | } |
| 95 | |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 96 | res = wpas_temp_disabled(wpa_s, ssid); |
| 97 | if (res > 0) { |
| 98 | wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is temporarily " |
| 99 | "disabled for %d second(s)", res); |
| 100 | return -1; |
| 101 | } |
| 102 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 103 | wpa_dbg(wpa_s, MSG_DEBUG, "Network configuration found for the " |
| 104 | "current AP"); |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 105 | if (wpa_key_mgmt_wpa_any(ssid->key_mgmt)) { |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 106 | u8 wpa_ie[80]; |
| 107 | size_t wpa_ie_len = sizeof(wpa_ie); |
Dmitry Shmidt | a54fa5f | 2013-01-15 13:53:35 -0800 | [diff] [blame] | 108 | if (wpa_supplicant_set_suites(wpa_s, NULL, ssid, |
| 109 | wpa_ie, &wpa_ie_len) < 0) |
| 110 | wpa_dbg(wpa_s, MSG_DEBUG, "Could not set WPA suites"); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 111 | } else { |
| 112 | wpa_supplicant_set_non_wpa_policy(wpa_s, ssid); |
| 113 | } |
| 114 | |
| 115 | if (wpa_s->current_ssid && wpa_s->current_ssid != ssid) |
| 116 | eapol_sm_invalidate_cached_session(wpa_s->eapol); |
| 117 | old_ssid = wpa_s->current_ssid; |
| 118 | wpa_s->current_ssid = ssid; |
| 119 | wpa_supplicant_rsn_supp_set_config(wpa_s, wpa_s->current_ssid); |
| 120 | wpa_supplicant_initiate_eapol(wpa_s); |
| 121 | if (old_ssid != wpa_s->current_ssid) |
| 122 | wpas_notify_network_changed(wpa_s); |
| 123 | |
| 124 | return 0; |
| 125 | } |
| 126 | |
| 127 | |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 128 | void wpa_supplicant_stop_countermeasures(void *eloop_ctx, void *sock_ctx) |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 129 | { |
| 130 | struct wpa_supplicant *wpa_s = eloop_ctx; |
| 131 | |
| 132 | if (wpa_s->countermeasures) { |
| 133 | wpa_s->countermeasures = 0; |
| 134 | wpa_drv_set_countermeasures(wpa_s, 0); |
| 135 | wpa_msg(wpa_s, MSG_INFO, "WPA: TKIP countermeasures stopped"); |
| 136 | wpa_supplicant_req_scan(wpa_s, 0, 0); |
| 137 | } |
| 138 | } |
| 139 | |
| 140 | |
| 141 | void wpa_supplicant_mark_disassoc(struct wpa_supplicant *wpa_s) |
| 142 | { |
| 143 | int bssid_changed; |
| 144 | |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 145 | wnm_bss_keep_alive_deinit(wpa_s); |
| 146 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 147 | #ifdef CONFIG_IBSS_RSN |
| 148 | ibss_rsn_deinit(wpa_s->ibss_rsn); |
| 149 | wpa_s->ibss_rsn = NULL; |
| 150 | #endif /* CONFIG_IBSS_RSN */ |
| 151 | |
Dmitry Shmidt | c55524a | 2011-07-07 11:18:38 -0700 | [diff] [blame] | 152 | #ifdef CONFIG_AP |
| 153 | wpa_supplicant_ap_deinit(wpa_s); |
| 154 | #endif /* CONFIG_AP */ |
| 155 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 156 | if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) |
| 157 | return; |
| 158 | |
| 159 | wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED); |
Dmitry Shmidt | c5ec7f5 | 2012-03-06 16:33:24 -0800 | [diff] [blame] | 160 | #ifdef ANDROID |
Dmitry Shmidt | 43007fd | 2011-04-11 15:58:40 -0700 | [diff] [blame] | 161 | wpa_s->conf->ap_scan = DEFAULT_AP_SCAN; |
Dmitry Shmidt | c5ec7f5 | 2012-03-06 16:33:24 -0800 | [diff] [blame] | 162 | #endif |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 163 | bssid_changed = !is_zero_ether_addr(wpa_s->bssid); |
| 164 | os_memset(wpa_s->bssid, 0, ETH_ALEN); |
| 165 | os_memset(wpa_s->pending_bssid, 0, ETH_ALEN); |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 166 | #ifdef CONFIG_SME |
| 167 | wpa_s->sme.prev_bssid_set = 0; |
| 168 | #endif /* CONFIG_SME */ |
Dmitry Shmidt | c5ec7f5 | 2012-03-06 16:33:24 -0800 | [diff] [blame] | 169 | #ifdef CONFIG_P2P |
| 170 | os_memset(wpa_s->go_dev_addr, 0, ETH_ALEN); |
| 171 | #endif /* CONFIG_P2P */ |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 172 | wpa_s->current_bss = NULL; |
| 173 | wpa_s->assoc_freq = 0; |
Dmitry Shmidt | c55524a | 2011-07-07 11:18:38 -0700 | [diff] [blame] | 174 | #ifdef CONFIG_IEEE80211R |
| 175 | #ifdef CONFIG_SME |
| 176 | if (wpa_s->sme.ft_ies) |
| 177 | sme_update_ft_ies(wpa_s, NULL, NULL, 0); |
| 178 | #endif /* CONFIG_SME */ |
| 179 | #endif /* CONFIG_IEEE80211R */ |
| 180 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 181 | if (bssid_changed) |
| 182 | wpas_notify_bssid_changed(wpa_s); |
| 183 | |
| 184 | eapol_sm_notify_portEnabled(wpa_s->eapol, FALSE); |
| 185 | eapol_sm_notify_portValid(wpa_s->eapol, FALSE); |
| 186 | if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt)) |
| 187 | eapol_sm_notify_eap_success(wpa_s->eapol, FALSE); |
| 188 | wpa_s->ap_ies_from_associnfo = 0; |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 189 | wpa_s->current_ssid = NULL; |
| 190 | wpa_s->key_mgmt = 0; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 191 | } |
| 192 | |
| 193 | |
| 194 | static void wpa_find_assoc_pmkid(struct wpa_supplicant *wpa_s) |
| 195 | { |
| 196 | struct wpa_ie_data ie; |
| 197 | int pmksa_set = -1; |
| 198 | size_t i; |
| 199 | |
| 200 | if (wpa_sm_parse_own_wpa_ie(wpa_s->wpa, &ie) < 0 || |
| 201 | ie.pmkid == NULL) |
| 202 | return; |
| 203 | |
| 204 | for (i = 0; i < ie.num_pmkid; i++) { |
| 205 | pmksa_set = pmksa_cache_set_current(wpa_s->wpa, |
| 206 | ie.pmkid + i * PMKID_LEN, |
| 207 | NULL, NULL, 0); |
| 208 | if (pmksa_set == 0) { |
| 209 | eapol_sm_notify_pmkid_attempt(wpa_s->eapol, 1); |
| 210 | break; |
| 211 | } |
| 212 | } |
| 213 | |
| 214 | wpa_dbg(wpa_s, MSG_DEBUG, "RSN: PMKID from assoc IE %sfound from " |
| 215 | "PMKSA cache", pmksa_set == 0 ? "" : "not "); |
| 216 | } |
| 217 | |
| 218 | |
| 219 | static void wpa_supplicant_event_pmkid_candidate(struct wpa_supplicant *wpa_s, |
| 220 | union wpa_event_data *data) |
| 221 | { |
| 222 | if (data == NULL) { |
| 223 | wpa_dbg(wpa_s, MSG_DEBUG, "RSN: No data in PMKID candidate " |
| 224 | "event"); |
| 225 | return; |
| 226 | } |
| 227 | wpa_dbg(wpa_s, MSG_DEBUG, "RSN: PMKID candidate event - bssid=" MACSTR |
| 228 | " index=%d preauth=%d", |
| 229 | MAC2STR(data->pmkid_candidate.bssid), |
| 230 | data->pmkid_candidate.index, |
| 231 | data->pmkid_candidate.preauth); |
| 232 | |
| 233 | pmksa_candidate_add(wpa_s->wpa, data->pmkid_candidate.bssid, |
| 234 | data->pmkid_candidate.index, |
| 235 | data->pmkid_candidate.preauth); |
| 236 | } |
| 237 | |
| 238 | |
| 239 | static int wpa_supplicant_dynamic_keys(struct wpa_supplicant *wpa_s) |
| 240 | { |
| 241 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE || |
| 242 | wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) |
| 243 | return 0; |
| 244 | |
| 245 | #ifdef IEEE8021X_EAPOL |
| 246 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA && |
| 247 | wpa_s->current_ssid && |
| 248 | !(wpa_s->current_ssid->eapol_flags & |
| 249 | (EAPOL_FLAG_REQUIRE_KEY_UNICAST | |
| 250 | EAPOL_FLAG_REQUIRE_KEY_BROADCAST))) { |
| 251 | /* IEEE 802.1X, but not using dynamic WEP keys (i.e., either |
| 252 | * plaintext or static WEP keys). */ |
| 253 | return 0; |
| 254 | } |
| 255 | #endif /* IEEE8021X_EAPOL */ |
| 256 | |
| 257 | return 1; |
| 258 | } |
| 259 | |
| 260 | |
| 261 | /** |
| 262 | * wpa_supplicant_scard_init - Initialize SIM/USIM access with PC/SC |
| 263 | * @wpa_s: pointer to wpa_supplicant data |
| 264 | * @ssid: Configuration data for the network |
| 265 | * Returns: 0 on success, -1 on failure |
| 266 | * |
| 267 | * This function is called when starting authentication with a network that is |
| 268 | * configured to use PC/SC for SIM/USIM access (EAP-SIM or EAP-AKA). |
| 269 | */ |
| 270 | int wpa_supplicant_scard_init(struct wpa_supplicant *wpa_s, |
| 271 | struct wpa_ssid *ssid) |
| 272 | { |
| 273 | #ifdef IEEE8021X_EAPOL |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 274 | #ifdef PCSC_FUNCS |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 275 | int aka = 0, sim = 0, type; |
| 276 | |
| 277 | if (ssid->eap.pcsc == NULL || wpa_s->scard != NULL) |
| 278 | return 0; |
| 279 | |
| 280 | if (ssid->eap.eap_methods == NULL) { |
| 281 | sim = 1; |
| 282 | aka = 1; |
| 283 | } else { |
| 284 | struct eap_method_type *eap = ssid->eap.eap_methods; |
| 285 | while (eap->vendor != EAP_VENDOR_IETF || |
| 286 | eap->method != EAP_TYPE_NONE) { |
| 287 | if (eap->vendor == EAP_VENDOR_IETF) { |
| 288 | if (eap->method == EAP_TYPE_SIM) |
| 289 | sim = 1; |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 290 | else if (eap->method == EAP_TYPE_AKA || |
| 291 | eap->method == EAP_TYPE_AKA_PRIME) |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 292 | aka = 1; |
| 293 | } |
| 294 | eap++; |
| 295 | } |
| 296 | } |
| 297 | |
| 298 | if (eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_SIM) == NULL) |
| 299 | sim = 0; |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 300 | if (eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_AKA) == NULL && |
| 301 | eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_AKA_PRIME) == |
| 302 | NULL) |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 303 | aka = 0; |
| 304 | |
| 305 | if (!sim && !aka) { |
| 306 | wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is configured to " |
| 307 | "use SIM, but neither EAP-SIM nor EAP-AKA are " |
| 308 | "enabled"); |
| 309 | return 0; |
| 310 | } |
| 311 | |
| 312 | wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is configured to use SIM " |
| 313 | "(sim=%d aka=%d) - initialize PCSC", sim, aka); |
| 314 | if (sim && aka) |
| 315 | type = SCARD_TRY_BOTH; |
| 316 | else if (aka) |
| 317 | type = SCARD_USIM_ONLY; |
| 318 | else |
| 319 | type = SCARD_GSM_SIM_ONLY; |
| 320 | |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 321 | wpa_s->scard = scard_init(type, NULL); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 322 | if (wpa_s->scard == NULL) { |
| 323 | wpa_msg(wpa_s, MSG_WARNING, "Failed to initialize SIM " |
| 324 | "(pcsc-lite)"); |
| 325 | return -1; |
| 326 | } |
| 327 | wpa_sm_set_scard_ctx(wpa_s->wpa, wpa_s->scard); |
| 328 | eapol_sm_register_scard_ctx(wpa_s->eapol, wpa_s->scard); |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 329 | #endif /* PCSC_FUNCS */ |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 330 | #endif /* IEEE8021X_EAPOL */ |
| 331 | |
| 332 | return 0; |
| 333 | } |
| 334 | |
| 335 | |
| 336 | #ifndef CONFIG_NO_SCAN_PROCESSING |
Dmitry Shmidt | 9bce59c | 2012-09-11 15:06:38 -0700 | [diff] [blame] | 337 | static int wpa_supplicant_match_privacy(struct wpa_bss *bss, |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 338 | struct wpa_ssid *ssid) |
| 339 | { |
| 340 | int i, privacy = 0; |
| 341 | |
| 342 | if (ssid->mixed_cell) |
| 343 | return 1; |
| 344 | |
| 345 | #ifdef CONFIG_WPS |
| 346 | if (ssid->key_mgmt & WPA_KEY_MGMT_WPS) |
| 347 | return 1; |
| 348 | #endif /* CONFIG_WPS */ |
| 349 | |
| 350 | for (i = 0; i < NUM_WEP_KEYS; i++) { |
| 351 | if (ssid->wep_key_len[i]) { |
| 352 | privacy = 1; |
| 353 | break; |
| 354 | } |
| 355 | } |
| 356 | #ifdef IEEE8021X_EAPOL |
| 357 | if ((ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) && |
| 358 | ssid->eapol_flags & (EAPOL_FLAG_REQUIRE_KEY_UNICAST | |
| 359 | EAPOL_FLAG_REQUIRE_KEY_BROADCAST)) |
| 360 | privacy = 1; |
| 361 | #endif /* IEEE8021X_EAPOL */ |
| 362 | |
Jouni Malinen | 75ecf52 | 2011-06-27 15:19:46 -0700 | [diff] [blame] | 363 | if (wpa_key_mgmt_wpa(ssid->key_mgmt)) |
| 364 | privacy = 1; |
| 365 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 366 | if (bss->caps & IEEE80211_CAP_PRIVACY) |
| 367 | return privacy; |
| 368 | return !privacy; |
| 369 | } |
| 370 | |
| 371 | |
| 372 | static int wpa_supplicant_ssid_bss_match(struct wpa_supplicant *wpa_s, |
| 373 | struct wpa_ssid *ssid, |
Dmitry Shmidt | 9bce59c | 2012-09-11 15:06:38 -0700 | [diff] [blame] | 374 | struct wpa_bss *bss) |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 375 | { |
| 376 | struct wpa_ie_data ie; |
| 377 | int proto_match = 0; |
| 378 | const u8 *rsn_ie, *wpa_ie; |
| 379 | int ret; |
| 380 | int wep_ok; |
| 381 | |
| 382 | ret = wpas_wps_ssid_bss_match(wpa_s, ssid, bss); |
| 383 | if (ret >= 0) |
| 384 | return ret; |
| 385 | |
| 386 | /* Allow TSN if local configuration accepts WEP use without WPA/WPA2 */ |
| 387 | wep_ok = !wpa_key_mgmt_wpa(ssid->key_mgmt) && |
| 388 | (((ssid->key_mgmt & WPA_KEY_MGMT_NONE) && |
| 389 | ssid->wep_key_len[ssid->wep_tx_keyidx] > 0) || |
| 390 | (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA)); |
| 391 | |
Dmitry Shmidt | 9bce59c | 2012-09-11 15:06:38 -0700 | [diff] [blame] | 392 | rsn_ie = wpa_bss_get_ie(bss, WLAN_EID_RSN); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 393 | while ((ssid->proto & WPA_PROTO_RSN) && rsn_ie) { |
| 394 | proto_match++; |
| 395 | |
| 396 | if (wpa_parse_wpa_ie(rsn_ie, 2 + rsn_ie[1], &ie)) { |
| 397 | wpa_dbg(wpa_s, MSG_DEBUG, " skip RSN IE - parse " |
| 398 | "failed"); |
| 399 | break; |
| 400 | } |
| 401 | |
| 402 | if (wep_ok && |
| 403 | (ie.group_cipher & (WPA_CIPHER_WEP40 | WPA_CIPHER_WEP104))) |
| 404 | { |
| 405 | wpa_dbg(wpa_s, MSG_DEBUG, " selected based on TSN " |
| 406 | "in RSN IE"); |
| 407 | return 1; |
| 408 | } |
| 409 | |
| 410 | if (!(ie.proto & ssid->proto)) { |
| 411 | wpa_dbg(wpa_s, MSG_DEBUG, " skip RSN IE - proto " |
| 412 | "mismatch"); |
| 413 | break; |
| 414 | } |
| 415 | |
| 416 | if (!(ie.pairwise_cipher & ssid->pairwise_cipher)) { |
| 417 | wpa_dbg(wpa_s, MSG_DEBUG, " skip RSN IE - PTK " |
| 418 | "cipher mismatch"); |
| 419 | break; |
| 420 | } |
| 421 | |
| 422 | if (!(ie.group_cipher & ssid->group_cipher)) { |
| 423 | wpa_dbg(wpa_s, MSG_DEBUG, " skip RSN IE - GTK " |
| 424 | "cipher mismatch"); |
| 425 | break; |
| 426 | } |
| 427 | |
| 428 | if (!(ie.key_mgmt & ssid->key_mgmt)) { |
| 429 | wpa_dbg(wpa_s, MSG_DEBUG, " skip RSN IE - key mgmt " |
| 430 | "mismatch"); |
| 431 | break; |
| 432 | } |
| 433 | |
| 434 | #ifdef CONFIG_IEEE80211W |
| 435 | if (!(ie.capabilities & WPA_CAPABILITY_MFPC) && |
Dmitry Shmidt | d5e4923 | 2012-12-03 15:08:10 -0800 | [diff] [blame] | 436 | (ssid->ieee80211w == MGMT_FRAME_PROTECTION_DEFAULT ? |
| 437 | wpa_s->conf->pmf : ssid->ieee80211w) == |
| 438 | MGMT_FRAME_PROTECTION_REQUIRED) { |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 439 | wpa_dbg(wpa_s, MSG_DEBUG, " skip RSN IE - no mgmt " |
| 440 | "frame protection"); |
| 441 | break; |
| 442 | } |
| 443 | #endif /* CONFIG_IEEE80211W */ |
| 444 | |
| 445 | wpa_dbg(wpa_s, MSG_DEBUG, " selected based on RSN IE"); |
| 446 | return 1; |
| 447 | } |
| 448 | |
Dmitry Shmidt | 9bce59c | 2012-09-11 15:06:38 -0700 | [diff] [blame] | 449 | wpa_ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 450 | while ((ssid->proto & WPA_PROTO_WPA) && wpa_ie) { |
| 451 | proto_match++; |
| 452 | |
| 453 | if (wpa_parse_wpa_ie(wpa_ie, 2 + wpa_ie[1], &ie)) { |
| 454 | wpa_dbg(wpa_s, MSG_DEBUG, " skip WPA IE - parse " |
| 455 | "failed"); |
| 456 | break; |
| 457 | } |
| 458 | |
| 459 | if (wep_ok && |
| 460 | (ie.group_cipher & (WPA_CIPHER_WEP40 | WPA_CIPHER_WEP104))) |
| 461 | { |
| 462 | wpa_dbg(wpa_s, MSG_DEBUG, " selected based on TSN " |
| 463 | "in WPA IE"); |
| 464 | return 1; |
| 465 | } |
| 466 | |
| 467 | if (!(ie.proto & ssid->proto)) { |
| 468 | wpa_dbg(wpa_s, MSG_DEBUG, " skip WPA IE - proto " |
| 469 | "mismatch"); |
| 470 | break; |
| 471 | } |
| 472 | |
| 473 | if (!(ie.pairwise_cipher & ssid->pairwise_cipher)) { |
| 474 | wpa_dbg(wpa_s, MSG_DEBUG, " skip WPA IE - PTK " |
| 475 | "cipher mismatch"); |
| 476 | break; |
| 477 | } |
| 478 | |
| 479 | if (!(ie.group_cipher & ssid->group_cipher)) { |
| 480 | wpa_dbg(wpa_s, MSG_DEBUG, " skip WPA IE - GTK " |
| 481 | "cipher mismatch"); |
| 482 | break; |
| 483 | } |
| 484 | |
| 485 | if (!(ie.key_mgmt & ssid->key_mgmt)) { |
| 486 | wpa_dbg(wpa_s, MSG_DEBUG, " skip WPA IE - key mgmt " |
| 487 | "mismatch"); |
| 488 | break; |
| 489 | } |
| 490 | |
| 491 | wpa_dbg(wpa_s, MSG_DEBUG, " selected based on WPA IE"); |
| 492 | return 1; |
| 493 | } |
| 494 | |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 495 | if ((ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) && !wpa_ie && |
| 496 | !rsn_ie) { |
| 497 | wpa_dbg(wpa_s, MSG_DEBUG, " allow for non-WPA IEEE 802.1X"); |
| 498 | return 1; |
| 499 | } |
| 500 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 501 | if ((ssid->proto & (WPA_PROTO_WPA | WPA_PROTO_RSN)) && |
| 502 | wpa_key_mgmt_wpa(ssid->key_mgmt) && proto_match == 0) { |
| 503 | wpa_dbg(wpa_s, MSG_DEBUG, " skip - no WPA/RSN proto match"); |
| 504 | return 0; |
| 505 | } |
| 506 | |
| 507 | if (!wpa_key_mgmt_wpa(ssid->key_mgmt)) { |
| 508 | wpa_dbg(wpa_s, MSG_DEBUG, " allow in non-WPA/WPA2"); |
| 509 | return 1; |
| 510 | } |
| 511 | |
| 512 | wpa_dbg(wpa_s, MSG_DEBUG, " reject due to mismatch with " |
| 513 | "WPA/WPA2"); |
| 514 | |
| 515 | return 0; |
| 516 | } |
| 517 | |
| 518 | |
| 519 | static int freq_allowed(int *freqs, int freq) |
| 520 | { |
| 521 | int i; |
| 522 | |
| 523 | if (freqs == NULL) |
| 524 | return 1; |
| 525 | |
| 526 | for (i = 0; freqs[i]; i++) |
| 527 | if (freqs[i] == freq) |
| 528 | return 1; |
| 529 | return 0; |
| 530 | } |
| 531 | |
| 532 | |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 533 | static int ht_supported(const struct hostapd_hw_modes *mode) |
| 534 | { |
| 535 | if (!(mode->flags & HOSTAPD_MODE_FLAG_HT_INFO_KNOWN)) { |
| 536 | /* |
| 537 | * The driver did not indicate whether it supports HT. Assume |
| 538 | * it does to avoid connection issues. |
| 539 | */ |
| 540 | return 1; |
| 541 | } |
| 542 | |
| 543 | /* |
| 544 | * IEEE Std 802.11n-2009 20.1.1: |
| 545 | * An HT non-AP STA shall support all EQM rates for one spatial stream. |
| 546 | */ |
| 547 | return mode->mcs_set[0] == 0xff; |
| 548 | } |
| 549 | |
| 550 | |
Dmitry Shmidt | 9bce59c | 2012-09-11 15:06:38 -0700 | [diff] [blame] | 551 | static int rate_match(struct wpa_supplicant *wpa_s, struct wpa_bss *bss) |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 552 | { |
| 553 | const struct hostapd_hw_modes *mode = NULL, *modes; |
| 554 | const u8 scan_ie[2] = { WLAN_EID_SUPP_RATES, WLAN_EID_EXT_SUPP_RATES }; |
| 555 | const u8 *rate_ie; |
| 556 | int i, j, k; |
| 557 | |
| 558 | if (bss->freq == 0) |
| 559 | return 1; /* Cannot do matching without knowing band */ |
| 560 | |
| 561 | modes = wpa_s->hw.modes; |
| 562 | if (modes == NULL) { |
| 563 | /* |
| 564 | * The driver does not provide any additional information |
| 565 | * about the utilized hardware, so allow the connection attempt |
| 566 | * to continue. |
| 567 | */ |
| 568 | return 1; |
| 569 | } |
| 570 | |
| 571 | for (i = 0; i < wpa_s->hw.num_modes; i++) { |
| 572 | for (j = 0; j < modes[i].num_channels; j++) { |
| 573 | int freq = modes[i].channels[j].freq; |
| 574 | if (freq == bss->freq) { |
| 575 | if (mode && |
| 576 | mode->mode == HOSTAPD_MODE_IEEE80211G) |
| 577 | break; /* do not allow 802.11b replace |
| 578 | * 802.11g */ |
| 579 | mode = &modes[i]; |
| 580 | break; |
| 581 | } |
| 582 | } |
| 583 | } |
| 584 | |
| 585 | if (mode == NULL) |
| 586 | return 0; |
| 587 | |
| 588 | for (i = 0; i < (int) sizeof(scan_ie); i++) { |
Dmitry Shmidt | 9bce59c | 2012-09-11 15:06:38 -0700 | [diff] [blame] | 589 | rate_ie = wpa_bss_get_ie(bss, scan_ie[i]); |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 590 | if (rate_ie == NULL) |
| 591 | continue; |
| 592 | |
| 593 | for (j = 2; j < rate_ie[1] + 2; j++) { |
| 594 | int flagged = !!(rate_ie[j] & 0x80); |
| 595 | int r = (rate_ie[j] & 0x7f) * 5; |
| 596 | |
| 597 | /* |
| 598 | * IEEE Std 802.11n-2009 7.3.2.2: |
| 599 | * The new BSS Membership selector value is encoded |
| 600 | * like a legacy basic rate, but it is not a rate and |
| 601 | * only indicates if the BSS members are required to |
| 602 | * support the mandatory features of Clause 20 [HT PHY] |
| 603 | * in order to join the BSS. |
| 604 | */ |
| 605 | if (flagged && ((rate_ie[j] & 0x7f) == |
| 606 | BSS_MEMBERSHIP_SELECTOR_HT_PHY)) { |
| 607 | if (!ht_supported(mode)) { |
| 608 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 609 | " hardware does not support " |
| 610 | "HT PHY"); |
| 611 | return 0; |
| 612 | } |
| 613 | continue; |
| 614 | } |
| 615 | |
| 616 | if (!flagged) |
| 617 | continue; |
| 618 | |
| 619 | /* check for legacy basic rates */ |
| 620 | for (k = 0; k < mode->num_rates; k++) { |
| 621 | if (mode->rates[k] == r) |
| 622 | break; |
| 623 | } |
| 624 | if (k == mode->num_rates) { |
| 625 | /* |
| 626 | * IEEE Std 802.11-2007 7.3.2.2 demands that in |
| 627 | * order to join a BSS all required rates |
| 628 | * have to be supported by the hardware. |
| 629 | */ |
| 630 | wpa_dbg(wpa_s, MSG_DEBUG, " hardware does " |
| 631 | "not support required rate %d.%d Mbps", |
| 632 | r / 10, r % 10); |
| 633 | return 0; |
| 634 | } |
| 635 | } |
| 636 | } |
| 637 | |
| 638 | return 1; |
| 639 | } |
| 640 | |
| 641 | |
Dmitry Shmidt | f862328 | 2013-02-20 14:34:59 -0800 | [diff] [blame] | 642 | static int bss_is_dmg(struct wpa_bss *bss) |
| 643 | { |
| 644 | return bss->freq > 45000; |
| 645 | } |
| 646 | |
| 647 | |
| 648 | /* |
| 649 | * Test whether BSS is in an ESS. |
| 650 | * This is done differently in DMG (60 GHz) and non-DMG bands |
| 651 | */ |
| 652 | static int bss_is_ess(struct wpa_bss *bss) |
| 653 | { |
| 654 | if (bss_is_dmg(bss)) { |
| 655 | return (bss->caps & IEEE80211_CAP_DMG_MASK) == |
| 656 | IEEE80211_CAP_DMG_AP; |
| 657 | } |
| 658 | |
| 659 | return ((bss->caps & (IEEE80211_CAP_ESS | IEEE80211_CAP_IBSS)) == |
| 660 | IEEE80211_CAP_ESS); |
| 661 | } |
| 662 | |
| 663 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 664 | static struct wpa_ssid * wpa_scan_res_match(struct wpa_supplicant *wpa_s, |
Dmitry Shmidt | 9bce59c | 2012-09-11 15:06:38 -0700 | [diff] [blame] | 665 | int i, struct wpa_bss *bss, |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 666 | struct wpa_ssid *group) |
| 667 | { |
Dmitry Shmidt | 9bce59c | 2012-09-11 15:06:38 -0700 | [diff] [blame] | 668 | u8 wpa_ie_len, rsn_ie_len; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 669 | int wpa; |
| 670 | struct wpa_blacklist *e; |
| 671 | const u8 *ie; |
| 672 | struct wpa_ssid *ssid; |
| 673 | |
Dmitry Shmidt | 9bce59c | 2012-09-11 15:06:38 -0700 | [diff] [blame] | 674 | ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 675 | wpa_ie_len = ie ? ie[1] : 0; |
| 676 | |
Dmitry Shmidt | 9bce59c | 2012-09-11 15:06:38 -0700 | [diff] [blame] | 677 | ie = wpa_bss_get_ie(bss, WLAN_EID_RSN); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 678 | rsn_ie_len = ie ? ie[1] : 0; |
| 679 | |
| 680 | wpa_dbg(wpa_s, MSG_DEBUG, "%d: " MACSTR " ssid='%s' " |
| 681 | "wpa_ie_len=%u rsn_ie_len=%u caps=0x%x level=%d%s", |
Dmitry Shmidt | 9bce59c | 2012-09-11 15:06:38 -0700 | [diff] [blame] | 682 | i, MAC2STR(bss->bssid), wpa_ssid_txt(bss->ssid, bss->ssid_len), |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 683 | wpa_ie_len, rsn_ie_len, bss->caps, bss->level, |
Dmitry Shmidt | 9bce59c | 2012-09-11 15:06:38 -0700 | [diff] [blame] | 684 | wpa_bss_get_vendor_ie(bss, WPS_IE_VENDOR_TYPE) ? " wps" : ""); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 685 | |
| 686 | e = wpa_blacklist_get(wpa_s, bss->bssid); |
| 687 | if (e) { |
| 688 | int limit = 1; |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 689 | if (wpa_supplicant_enabled_networks(wpa_s) == 1) { |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 690 | /* |
| 691 | * When only a single network is enabled, we can |
| 692 | * trigger blacklisting on the first failure. This |
| 693 | * should not be done with multiple enabled networks to |
| 694 | * avoid getting forced to move into a worse ESS on |
| 695 | * single error if there are no other BSSes of the |
| 696 | * current ESS. |
| 697 | */ |
| 698 | limit = 0; |
| 699 | } |
| 700 | if (e->count > limit) { |
| 701 | wpa_dbg(wpa_s, MSG_DEBUG, " skip - blacklisted " |
| 702 | "(count=%d limit=%d)", e->count, limit); |
| 703 | return NULL; |
| 704 | } |
| 705 | } |
| 706 | |
Dmitry Shmidt | 9bce59c | 2012-09-11 15:06:38 -0700 | [diff] [blame] | 707 | if (bss->ssid_len == 0) { |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 708 | wpa_dbg(wpa_s, MSG_DEBUG, " skip - SSID not known"); |
| 709 | return NULL; |
| 710 | } |
| 711 | |
Dmitry Shmidt | d5e4923 | 2012-12-03 15:08:10 -0800 | [diff] [blame] | 712 | if (disallowed_bssid(wpa_s, bss->bssid)) { |
| 713 | wpa_dbg(wpa_s, MSG_DEBUG, " skip - BSSID disallowed"); |
| 714 | return NULL; |
| 715 | } |
| 716 | |
| 717 | if (disallowed_ssid(wpa_s, bss->ssid, bss->ssid_len)) { |
| 718 | wpa_dbg(wpa_s, MSG_DEBUG, " skip - SSID disallowed"); |
| 719 | return NULL; |
| 720 | } |
| 721 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 722 | wpa = wpa_ie_len > 0 || rsn_ie_len > 0; |
| 723 | |
| 724 | for (ssid = group; ssid; ssid = ssid->pnext) { |
| 725 | int check_ssid = wpa ? 1 : (ssid->ssid_len != 0); |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 726 | int res; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 727 | |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 728 | if (wpas_network_disabled(wpa_s, ssid)) { |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 729 | wpa_dbg(wpa_s, MSG_DEBUG, " skip - disabled"); |
| 730 | continue; |
| 731 | } |
| 732 | |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 733 | res = wpas_temp_disabled(wpa_s, ssid); |
| 734 | if (res > 0) { |
| 735 | wpa_dbg(wpa_s, MSG_DEBUG, " skip - disabled " |
| 736 | "temporarily for %d second(s)", res); |
| 737 | continue; |
| 738 | } |
| 739 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 740 | #ifdef CONFIG_WPS |
| 741 | if ((ssid->key_mgmt & WPA_KEY_MGMT_WPS) && e && e->count > 0) { |
| 742 | wpa_dbg(wpa_s, MSG_DEBUG, " skip - blacklisted " |
| 743 | "(WPS)"); |
| 744 | continue; |
| 745 | } |
| 746 | |
| 747 | if (wpa && ssid->ssid_len == 0 && |
| 748 | wpas_wps_ssid_wildcard_ok(wpa_s, ssid, bss)) |
| 749 | check_ssid = 0; |
| 750 | |
| 751 | if (!wpa && (ssid->key_mgmt & WPA_KEY_MGMT_WPS)) { |
| 752 | /* Only allow wildcard SSID match if an AP |
| 753 | * advertises active WPS operation that matches |
| 754 | * with our mode. */ |
| 755 | check_ssid = 1; |
| 756 | if (ssid->ssid_len == 0 && |
| 757 | wpas_wps_ssid_wildcard_ok(wpa_s, ssid, bss)) |
| 758 | check_ssid = 0; |
| 759 | } |
| 760 | #endif /* CONFIG_WPS */ |
| 761 | |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 762 | if (ssid->bssid_set && ssid->ssid_len == 0 && |
| 763 | os_memcmp(bss->bssid, ssid->bssid, ETH_ALEN) == 0) |
| 764 | check_ssid = 0; |
| 765 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 766 | if (check_ssid && |
Dmitry Shmidt | 9bce59c | 2012-09-11 15:06:38 -0700 | [diff] [blame] | 767 | (bss->ssid_len != ssid->ssid_len || |
| 768 | os_memcmp(bss->ssid, ssid->ssid, bss->ssid_len) != 0)) { |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 769 | wpa_dbg(wpa_s, MSG_DEBUG, " skip - SSID mismatch"); |
| 770 | continue; |
| 771 | } |
| 772 | |
| 773 | if (ssid->bssid_set && |
| 774 | os_memcmp(bss->bssid, ssid->bssid, ETH_ALEN) != 0) { |
| 775 | wpa_dbg(wpa_s, MSG_DEBUG, " skip - BSSID mismatch"); |
| 776 | continue; |
| 777 | } |
| 778 | |
| 779 | if (!wpa_supplicant_ssid_bss_match(wpa_s, ssid, bss)) |
| 780 | continue; |
| 781 | |
| 782 | if (!wpa && |
| 783 | !(ssid->key_mgmt & WPA_KEY_MGMT_NONE) && |
| 784 | !(ssid->key_mgmt & WPA_KEY_MGMT_WPS) && |
| 785 | !(ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA)) { |
| 786 | wpa_dbg(wpa_s, MSG_DEBUG, " skip - non-WPA network " |
| 787 | "not allowed"); |
| 788 | continue; |
| 789 | } |
| 790 | |
Jouni Malinen | 75ecf52 | 2011-06-27 15:19:46 -0700 | [diff] [blame] | 791 | if (!wpa_supplicant_match_privacy(bss, ssid)) { |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 792 | wpa_dbg(wpa_s, MSG_DEBUG, " skip - privacy " |
| 793 | "mismatch"); |
| 794 | continue; |
| 795 | } |
| 796 | |
Dmitry Shmidt | f862328 | 2013-02-20 14:34:59 -0800 | [diff] [blame] | 797 | if (!bss_is_ess(bss)) { |
| 798 | wpa_dbg(wpa_s, MSG_DEBUG, " skip - not ESS network"); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 799 | continue; |
| 800 | } |
| 801 | |
| 802 | if (!freq_allowed(ssid->freq_list, bss->freq)) { |
| 803 | wpa_dbg(wpa_s, MSG_DEBUG, " skip - frequency not " |
| 804 | "allowed"); |
| 805 | continue; |
| 806 | } |
| 807 | |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 808 | if (!rate_match(wpa_s, bss)) { |
| 809 | wpa_dbg(wpa_s, MSG_DEBUG, " skip - rate sets do " |
| 810 | "not match"); |
| 811 | continue; |
| 812 | } |
| 813 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 814 | #ifdef CONFIG_P2P |
| 815 | /* |
| 816 | * TODO: skip the AP if its P2P IE has Group Formation |
| 817 | * bit set in the P2P Group Capability Bitmap and we |
| 818 | * are not in Group Formation with that device. |
| 819 | */ |
| 820 | #endif /* CONFIG_P2P */ |
| 821 | |
| 822 | /* Matching configuration found */ |
| 823 | return ssid; |
| 824 | } |
| 825 | |
| 826 | /* No matching configuration found */ |
| 827 | return NULL; |
| 828 | } |
| 829 | |
| 830 | |
| 831 | static struct wpa_bss * |
| 832 | wpa_supplicant_select_bss(struct wpa_supplicant *wpa_s, |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 833 | struct wpa_ssid *group, |
| 834 | struct wpa_ssid **selected_ssid) |
| 835 | { |
Dmitry Shmidt | 9bce59c | 2012-09-11 15:06:38 -0700 | [diff] [blame] | 836 | unsigned int i; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 837 | |
| 838 | wpa_dbg(wpa_s, MSG_DEBUG, "Selecting BSS from priority group %d", |
| 839 | group->priority); |
| 840 | |
Dmitry Shmidt | 9bce59c | 2012-09-11 15:06:38 -0700 | [diff] [blame] | 841 | for (i = 0; i < wpa_s->last_scan_res_used; i++) { |
| 842 | struct wpa_bss *bss = wpa_s->last_scan_res[i]; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 843 | *selected_ssid = wpa_scan_res_match(wpa_s, i, bss, group); |
| 844 | if (!*selected_ssid) |
| 845 | continue; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 846 | wpa_dbg(wpa_s, MSG_DEBUG, " selected BSS " MACSTR |
| 847 | " ssid='%s'", |
Dmitry Shmidt | 9bce59c | 2012-09-11 15:06:38 -0700 | [diff] [blame] | 848 | MAC2STR(bss->bssid), |
| 849 | wpa_ssid_txt(bss->ssid, bss->ssid_len)); |
| 850 | return bss; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 851 | } |
| 852 | |
| 853 | return NULL; |
| 854 | } |
| 855 | |
| 856 | |
| 857 | static struct wpa_bss * |
| 858 | wpa_supplicant_pick_network(struct wpa_supplicant *wpa_s, |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 859 | struct wpa_ssid **selected_ssid) |
| 860 | { |
| 861 | struct wpa_bss *selected = NULL; |
| 862 | int prio; |
| 863 | |
Dmitry Shmidt | 9bce59c | 2012-09-11 15:06:38 -0700 | [diff] [blame] | 864 | if (wpa_s->last_scan_res == NULL || |
| 865 | wpa_s->last_scan_res_used == 0) |
| 866 | return NULL; /* no scan results from last update */ |
| 867 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 868 | while (selected == NULL) { |
| 869 | for (prio = 0; prio < wpa_s->conf->num_prio; prio++) { |
| 870 | selected = wpa_supplicant_select_bss( |
Dmitry Shmidt | 9bce59c | 2012-09-11 15:06:38 -0700 | [diff] [blame] | 871 | wpa_s, wpa_s->conf->pssid[prio], |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 872 | selected_ssid); |
| 873 | if (selected) |
| 874 | break; |
| 875 | } |
| 876 | |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 877 | if (selected == NULL && wpa_s->blacklist && |
| 878 | !wpa_s->countermeasures) { |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 879 | wpa_dbg(wpa_s, MSG_DEBUG, "No APs found - clear " |
| 880 | "blacklist and try again"); |
| 881 | wpa_blacklist_clear(wpa_s); |
| 882 | wpa_s->blacklist_cleared++; |
| 883 | } else if (selected == NULL) |
| 884 | break; |
| 885 | } |
| 886 | |
| 887 | return selected; |
| 888 | } |
| 889 | |
| 890 | |
| 891 | static void wpa_supplicant_req_new_scan(struct wpa_supplicant *wpa_s, |
| 892 | int timeout_sec, int timeout_usec) |
| 893 | { |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 894 | if (!wpa_supplicant_enabled_networks(wpa_s)) { |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 895 | /* |
| 896 | * No networks are enabled; short-circuit request so |
| 897 | * we don't wait timeout seconds before transitioning |
| 898 | * to INACTIVE state. |
| 899 | */ |
Dmitry Shmidt | aa53251 | 2012-09-24 10:35:31 -0700 | [diff] [blame] | 900 | wpa_dbg(wpa_s, MSG_DEBUG, "Short-circuit new scan request " |
| 901 | "since there are no enabled networks"); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 902 | wpa_supplicant_set_state(wpa_s, WPA_INACTIVE); |
Dmitry Shmidt | aa53251 | 2012-09-24 10:35:31 -0700 | [diff] [blame] | 903 | #ifdef CONFIG_P2P |
| 904 | wpa_s->sta_scan_pending = 0; |
| 905 | #endif /* CONFIG_P2P */ |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 906 | return; |
| 907 | } |
Dmitry Shmidt | d5e4923 | 2012-12-03 15:08:10 -0800 | [diff] [blame] | 908 | |
| 909 | wpa_s->scan_for_connection = 1; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 910 | wpa_supplicant_req_scan(wpa_s, timeout_sec, timeout_usec); |
| 911 | } |
| 912 | |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 913 | |
Dmitry Shmidt | 44da025 | 2011-08-23 12:30:30 -0700 | [diff] [blame] | 914 | int wpa_supplicant_connect(struct wpa_supplicant *wpa_s, |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 915 | struct wpa_bss *selected, |
| 916 | struct wpa_ssid *ssid) |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 917 | { |
| 918 | if (wpas_wps_scan_pbc_overlap(wpa_s, selected, ssid)) { |
| 919 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_OVERLAP |
| 920 | "PBC session overlap"); |
| 921 | #ifdef CONFIG_P2P |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 922 | if (wpas_p2p_notif_pbc_overlap(wpa_s) == 1) |
Dmitry Shmidt | 44da025 | 2011-08-23 12:30:30 -0700 | [diff] [blame] | 923 | return -1; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 924 | #endif /* CONFIG_P2P */ |
| 925 | |
| 926 | #ifdef CONFIG_WPS |
| 927 | wpas_wps_cancel(wpa_s); |
| 928 | #endif /* CONFIG_WPS */ |
Dmitry Shmidt | 44da025 | 2011-08-23 12:30:30 -0700 | [diff] [blame] | 929 | return -1; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 930 | } |
| 931 | |
| 932 | /* |
| 933 | * Do not trigger new association unless the BSSID has changed or if |
| 934 | * reassociation is requested. If we are in process of associating with |
| 935 | * the selected BSSID, do not trigger new attempt. |
| 936 | */ |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 937 | if (wpa_s->reassociate || |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 938 | (os_memcmp(selected->bssid, wpa_s->bssid, ETH_ALEN) != 0 && |
| 939 | ((wpa_s->wpa_state != WPA_ASSOCIATING && |
| 940 | wpa_s->wpa_state != WPA_AUTHENTICATING) || |
| 941 | os_memcmp(selected->bssid, wpa_s->pending_bssid, ETH_ALEN) != |
| 942 | 0))) { |
| 943 | if (wpa_supplicant_scard_init(wpa_s, ssid)) { |
| 944 | wpa_supplicant_req_new_scan(wpa_s, 10, 0); |
Dmitry Shmidt | 44da025 | 2011-08-23 12:30:30 -0700 | [diff] [blame] | 945 | return 0; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 946 | } |
| 947 | wpa_msg(wpa_s, MSG_DEBUG, "Request association: " |
| 948 | "reassociate: %d selected: "MACSTR " bssid: " MACSTR |
| 949 | " pending: " MACSTR " wpa_state: %s", |
| 950 | wpa_s->reassociate, MAC2STR(selected->bssid), |
| 951 | MAC2STR(wpa_s->bssid), MAC2STR(wpa_s->pending_bssid), |
| 952 | wpa_supplicant_state_txt(wpa_s->wpa_state)); |
| 953 | wpa_supplicant_associate(wpa_s, selected, ssid); |
| 954 | } else { |
| 955 | wpa_dbg(wpa_s, MSG_DEBUG, "Already associated with the " |
| 956 | "selected AP"); |
| 957 | } |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 958 | |
Dmitry Shmidt | 44da025 | 2011-08-23 12:30:30 -0700 | [diff] [blame] | 959 | return 0; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 960 | } |
| 961 | |
| 962 | |
| 963 | static struct wpa_ssid * |
| 964 | wpa_supplicant_pick_new_network(struct wpa_supplicant *wpa_s) |
| 965 | { |
| 966 | int prio; |
| 967 | struct wpa_ssid *ssid; |
| 968 | |
| 969 | for (prio = 0; prio < wpa_s->conf->num_prio; prio++) { |
| 970 | for (ssid = wpa_s->conf->pssid[prio]; ssid; ssid = ssid->pnext) |
| 971 | { |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 972 | if (wpas_network_disabled(wpa_s, ssid)) |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 973 | continue; |
| 974 | if (ssid->mode == IEEE80211_MODE_IBSS || |
| 975 | ssid->mode == IEEE80211_MODE_AP) |
| 976 | return ssid; |
| 977 | } |
| 978 | } |
| 979 | return NULL; |
| 980 | } |
| 981 | |
| 982 | |
| 983 | /* TODO: move the rsn_preauth_scan_result*() to be called from notify.c based |
| 984 | * on BSS added and BSS changed events */ |
| 985 | static void wpa_supplicant_rsn_preauth_scan_results( |
Jouni Malinen | 87fd279 | 2011-05-16 18:35:42 +0300 | [diff] [blame] | 986 | struct wpa_supplicant *wpa_s) |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 987 | { |
Jouni Malinen | 87fd279 | 2011-05-16 18:35:42 +0300 | [diff] [blame] | 988 | struct wpa_bss *bss; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 989 | |
| 990 | if (rsn_preauth_scan_results(wpa_s->wpa) < 0) |
| 991 | return; |
| 992 | |
Jouni Malinen | 87fd279 | 2011-05-16 18:35:42 +0300 | [diff] [blame] | 993 | dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) { |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 994 | const u8 *ssid, *rsn; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 995 | |
Jouni Malinen | 87fd279 | 2011-05-16 18:35:42 +0300 | [diff] [blame] | 996 | ssid = wpa_bss_get_ie(bss, WLAN_EID_SSID); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 997 | if (ssid == NULL) |
| 998 | continue; |
| 999 | |
Jouni Malinen | 87fd279 | 2011-05-16 18:35:42 +0300 | [diff] [blame] | 1000 | rsn = wpa_bss_get_ie(bss, WLAN_EID_RSN); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1001 | if (rsn == NULL) |
| 1002 | continue; |
| 1003 | |
Jouni Malinen | 87fd279 | 2011-05-16 18:35:42 +0300 | [diff] [blame] | 1004 | rsn_preauth_scan_result(wpa_s->wpa, bss->bssid, ssid, rsn); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1005 | } |
| 1006 | |
| 1007 | } |
| 1008 | |
| 1009 | |
| 1010 | static int wpa_supplicant_need_to_roam(struct wpa_supplicant *wpa_s, |
| 1011 | struct wpa_bss *selected, |
Dmitry Shmidt | 9bce59c | 2012-09-11 15:06:38 -0700 | [diff] [blame] | 1012 | struct wpa_ssid *ssid) |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1013 | { |
Dmitry Shmidt | 9bce59c | 2012-09-11 15:06:38 -0700 | [diff] [blame] | 1014 | struct wpa_bss *current_bss = NULL; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1015 | int min_diff; |
| 1016 | |
| 1017 | if (wpa_s->reassociate) |
| 1018 | return 1; /* explicit request to reassociate */ |
| 1019 | if (wpa_s->wpa_state < WPA_ASSOCIATED) |
| 1020 | return 1; /* we are not associated; continue */ |
| 1021 | if (wpa_s->current_ssid == NULL) |
| 1022 | return 1; /* unknown current SSID */ |
| 1023 | if (wpa_s->current_ssid != ssid) |
| 1024 | return 1; /* different network block */ |
| 1025 | |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 1026 | if (wpas_driver_bss_selection(wpa_s)) |
| 1027 | return 0; /* Driver-based roaming */ |
| 1028 | |
Dmitry Shmidt | 9bce59c | 2012-09-11 15:06:38 -0700 | [diff] [blame] | 1029 | if (wpa_s->current_ssid->ssid) |
| 1030 | current_bss = wpa_bss_get(wpa_s, wpa_s->bssid, |
| 1031 | wpa_s->current_ssid->ssid, |
| 1032 | wpa_s->current_ssid->ssid_len); |
| 1033 | if (!current_bss) |
| 1034 | current_bss = wpa_bss_get_bssid(wpa_s, wpa_s->bssid); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1035 | |
| 1036 | if (!current_bss) |
| 1037 | return 1; /* current BSS not seen in scan results */ |
| 1038 | |
Dmitry Shmidt | 9bce59c | 2012-09-11 15:06:38 -0700 | [diff] [blame] | 1039 | if (current_bss == selected) |
| 1040 | return 0; |
| 1041 | |
| 1042 | if (selected->last_update_idx > current_bss->last_update_idx) |
| 1043 | return 1; /* current BSS not seen in the last scan */ |
| 1044 | |
Dmitry Shmidt | 9e07767 | 2012-04-13 10:07:27 -0700 | [diff] [blame] | 1045 | #ifndef CONFIG_NO_ROAMING |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1046 | wpa_dbg(wpa_s, MSG_DEBUG, "Considering within-ESS reassociation"); |
| 1047 | wpa_dbg(wpa_s, MSG_DEBUG, "Current BSS: " MACSTR " level=%d", |
| 1048 | MAC2STR(current_bss->bssid), current_bss->level); |
| 1049 | wpa_dbg(wpa_s, MSG_DEBUG, "Selected BSS: " MACSTR " level=%d", |
| 1050 | MAC2STR(selected->bssid), selected->level); |
| 1051 | |
| 1052 | if (wpa_s->current_ssid->bssid_set && |
| 1053 | os_memcmp(selected->bssid, wpa_s->current_ssid->bssid, ETH_ALEN) == |
| 1054 | 0) { |
| 1055 | wpa_dbg(wpa_s, MSG_DEBUG, "Allow reassociation - selected BSS " |
| 1056 | "has preferred BSSID"); |
| 1057 | return 1; |
| 1058 | } |
| 1059 | |
Dmitry Shmidt | d5e4923 | 2012-12-03 15:08:10 -0800 | [diff] [blame] | 1060 | if (current_bss->level < 0 && current_bss->level > selected->level) { |
| 1061 | wpa_dbg(wpa_s, MSG_DEBUG, "Skip roam - Current BSS has better " |
| 1062 | "signal level"); |
| 1063 | return 0; |
| 1064 | } |
| 1065 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1066 | min_diff = 2; |
| 1067 | if (current_bss->level < 0) { |
| 1068 | if (current_bss->level < -85) |
| 1069 | min_diff = 1; |
| 1070 | else if (current_bss->level < -80) |
| 1071 | min_diff = 2; |
| 1072 | else if (current_bss->level < -75) |
| 1073 | min_diff = 3; |
| 1074 | else if (current_bss->level < -70) |
| 1075 | min_diff = 4; |
| 1076 | else |
| 1077 | min_diff = 5; |
| 1078 | } |
| 1079 | if (abs(current_bss->level - selected->level) < min_diff) { |
| 1080 | wpa_dbg(wpa_s, MSG_DEBUG, "Skip roam - too small difference " |
| 1081 | "in signal level"); |
| 1082 | return 0; |
| 1083 | } |
| 1084 | |
| 1085 | return 1; |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 1086 | #else /* CONFIG_NO_ROAMING */ |
Dmitry Shmidt | efdec2e | 2011-08-16 11:55:46 -0700 | [diff] [blame] | 1087 | return 0; |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 1088 | #endif /* CONFIG_NO_ROAMING */ |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1089 | } |
| 1090 | |
Dmitry Shmidt | c5ec7f5 | 2012-03-06 16:33:24 -0800 | [diff] [blame] | 1091 | |
Jouni Malinen | 89ca702 | 2012-09-14 13:03:12 -0700 | [diff] [blame] | 1092 | /* Return != 0 if no scan results could be fetched or if scan results should not |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 1093 | * be shared with other virtual interfaces. */ |
Dmitry Shmidt | f6c92c4 | 2012-01-26 12:57:43 -0800 | [diff] [blame] | 1094 | static int _wpa_supplicant_event_scan_results(struct wpa_supplicant *wpa_s, |
Dmitry Shmidt | 37d4d6a | 2013-03-18 13:09:42 -0700 | [diff] [blame^] | 1095 | union wpa_event_data *data, |
| 1096 | int own_request) |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1097 | { |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1098 | struct wpa_scan_results *scan_res; |
| 1099 | int ap = 0; |
Dmitry Shmidt | 4530cfd | 2012-09-09 15:20:40 -0700 | [diff] [blame] | 1100 | #ifndef CONFIG_NO_RANDOM_POOL |
| 1101 | size_t i, num; |
| 1102 | #endif /* CONFIG_NO_RANDOM_POOL */ |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1103 | |
| 1104 | #ifdef CONFIG_AP |
| 1105 | if (wpa_s->ap_iface) |
| 1106 | ap = 1; |
| 1107 | #endif /* CONFIG_AP */ |
| 1108 | |
| 1109 | wpa_supplicant_notify_scanning(wpa_s, 0); |
| 1110 | |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 1111 | #ifdef CONFIG_P2P |
Dmitry Shmidt | 37d4d6a | 2013-03-18 13:09:42 -0700 | [diff] [blame^] | 1112 | if (own_request && wpa_s->global->p2p_cb_on_scan_complete && |
Jouni Malinen | dc7b713 | 2012-09-14 12:53:47 -0700 | [diff] [blame] | 1113 | !wpa_s->global->p2p_disabled && |
Dmitry Shmidt | aa53251 | 2012-09-24 10:35:31 -0700 | [diff] [blame] | 1114 | wpa_s->global->p2p != NULL && !wpa_s->sta_scan_pending && |
| 1115 | !wpa_s->scan_res_handler) { |
Jouni Malinen | dc7b713 | 2012-09-14 12:53:47 -0700 | [diff] [blame] | 1116 | wpa_s->global->p2p_cb_on_scan_complete = 0; |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 1117 | if (p2p_other_scan_completed(wpa_s->global->p2p) == 1) { |
| 1118 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Pending P2P operation " |
| 1119 | "stopped scan processing"); |
Jouni Malinen | fa08f9e | 2012-09-13 18:05:55 -0700 | [diff] [blame] | 1120 | wpa_s->sta_scan_pending = 1; |
| 1121 | wpa_supplicant_req_scan(wpa_s, 5, 0); |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 1122 | return -1; |
| 1123 | } |
| 1124 | } |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 1125 | wpa_s->sta_scan_pending = 0; |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 1126 | #endif /* CONFIG_P2P */ |
| 1127 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1128 | scan_res = wpa_supplicant_get_scan_results(wpa_s, |
| 1129 | data ? &data->scan_info : |
| 1130 | NULL, 1); |
| 1131 | if (scan_res == NULL) { |
Dmitry Shmidt | 4b9d52f | 2013-02-05 17:44:43 -0800 | [diff] [blame] | 1132 | if (wpa_s->conf->ap_scan == 2 || ap || |
| 1133 | wpa_s->scan_res_handler == scan_only_handler) |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1134 | return -1; |
Dmitry Shmidt | 37d4d6a | 2013-03-18 13:09:42 -0700 | [diff] [blame^] | 1135 | if (!own_request) |
| 1136 | return -1; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1137 | wpa_dbg(wpa_s, MSG_DEBUG, "Failed to get scan results - try " |
| 1138 | "scanning again"); |
| 1139 | wpa_supplicant_req_new_scan(wpa_s, 1, 0); |
| 1140 | return -1; |
| 1141 | } |
| 1142 | |
| 1143 | #ifndef CONFIG_NO_RANDOM_POOL |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1144 | num = scan_res->num; |
| 1145 | if (num > 10) |
| 1146 | num = 10; |
| 1147 | for (i = 0; i < num; i++) { |
| 1148 | u8 buf[5]; |
| 1149 | struct wpa_scan_res *res = scan_res->res[i]; |
| 1150 | buf[0] = res->bssid[5]; |
| 1151 | buf[1] = res->qual & 0xff; |
| 1152 | buf[2] = res->noise & 0xff; |
| 1153 | buf[3] = res->level & 0xff; |
| 1154 | buf[4] = res->tsf & 0xff; |
| 1155 | random_add_randomness(buf, sizeof(buf)); |
| 1156 | } |
| 1157 | #endif /* CONFIG_NO_RANDOM_POOL */ |
| 1158 | |
Dmitry Shmidt | 37d4d6a | 2013-03-18 13:09:42 -0700 | [diff] [blame^] | 1159 | if (own_request && wpa_s->scan_res_handler) { |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1160 | void (*scan_res_handler)(struct wpa_supplicant *wpa_s, |
| 1161 | struct wpa_scan_results *scan_res); |
| 1162 | |
| 1163 | scan_res_handler = wpa_s->scan_res_handler; |
| 1164 | wpa_s->scan_res_handler = NULL; |
| 1165 | scan_res_handler(wpa_s, scan_res); |
| 1166 | |
| 1167 | wpa_scan_results_free(scan_res); |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 1168 | return -2; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1169 | } |
| 1170 | |
| 1171 | if (ap) { |
| 1172 | wpa_dbg(wpa_s, MSG_DEBUG, "Ignore scan results in AP mode"); |
| 1173 | #ifdef CONFIG_AP |
| 1174 | if (wpa_s->ap_iface->scan_cb) |
| 1175 | wpa_s->ap_iface->scan_cb(wpa_s->ap_iface); |
| 1176 | #endif /* CONFIG_AP */ |
| 1177 | wpa_scan_results_free(scan_res); |
| 1178 | return 0; |
| 1179 | } |
Dmitry Shmidt | 37d4d6a | 2013-03-18 13:09:42 -0700 | [diff] [blame^] | 1180 | |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 1181 | wpa_dbg(wpa_s, MSG_DEBUG, "New scan results available"); |
| 1182 | wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_SCAN_RESULTS); |
| 1183 | wpas_notify_scan_results(wpa_s); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1184 | |
| 1185 | wpas_notify_scan_done(wpa_s, 1); |
| 1186 | |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 1187 | if (sme_proc_obss_scan(wpa_s) > 0) { |
| 1188 | wpa_scan_results_free(scan_res); |
| 1189 | return 0; |
| 1190 | } |
| 1191 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1192 | if ((wpa_s->conf->ap_scan == 2 && !wpas_wps_searching(wpa_s))) { |
| 1193 | wpa_scan_results_free(scan_res); |
| 1194 | return 0; |
| 1195 | } |
| 1196 | |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 1197 | if (autoscan_notify_scan(wpa_s, scan_res)) { |
| 1198 | wpa_scan_results_free(scan_res); |
| 1199 | return 0; |
| 1200 | } |
| 1201 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1202 | if (wpa_s->disconnected) { |
| 1203 | wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED); |
| 1204 | wpa_scan_results_free(scan_res); |
| 1205 | return 0; |
| 1206 | } |
| 1207 | |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 1208 | if (!wpas_driver_bss_selection(wpa_s) && |
| 1209 | bgscan_notify_scan(wpa_s, scan_res) == 1) { |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1210 | wpa_scan_results_free(scan_res); |
| 1211 | return 0; |
| 1212 | } |
| 1213 | |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 1214 | wpas_wps_update_ap_info(wpa_s, scan_res); |
| 1215 | |
Dmitry Shmidt | 9bce59c | 2012-09-11 15:06:38 -0700 | [diff] [blame] | 1216 | wpa_scan_results_free(scan_res); |
| 1217 | |
| 1218 | return wpas_select_network_from_last_scan(wpa_s); |
| 1219 | } |
| 1220 | |
| 1221 | |
Dmitry Shmidt | 4b9d52f | 2013-02-05 17:44:43 -0800 | [diff] [blame] | 1222 | static int wpas_select_network_from_last_scan(struct wpa_supplicant *wpa_s) |
Dmitry Shmidt | 9bce59c | 2012-09-11 15:06:38 -0700 | [diff] [blame] | 1223 | { |
| 1224 | struct wpa_bss *selected; |
| 1225 | struct wpa_ssid *ssid = NULL; |
| 1226 | |
| 1227 | selected = wpa_supplicant_pick_network(wpa_s, &ssid); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1228 | |
| 1229 | if (selected) { |
| 1230 | int skip; |
Dmitry Shmidt | 9bce59c | 2012-09-11 15:06:38 -0700 | [diff] [blame] | 1231 | skip = !wpa_supplicant_need_to_roam(wpa_s, selected, ssid); |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 1232 | if (skip) { |
| 1233 | wpa_supplicant_rsn_preauth_scan_results(wpa_s); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1234 | return 0; |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 1235 | } |
| 1236 | |
Dmitry Shmidt | 44da025 | 2011-08-23 12:30:30 -0700 | [diff] [blame] | 1237 | if (wpa_supplicant_connect(wpa_s, selected, ssid) < 0) { |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 1238 | wpa_dbg(wpa_s, MSG_DEBUG, "Connect failed"); |
Dmitry Shmidt | 44da025 | 2011-08-23 12:30:30 -0700 | [diff] [blame] | 1239 | return -1; |
| 1240 | } |
Jouni Malinen | 87fd279 | 2011-05-16 18:35:42 +0300 | [diff] [blame] | 1241 | wpa_supplicant_rsn_preauth_scan_results(wpa_s); |
Jouni Malinen | 89ca702 | 2012-09-14 13:03:12 -0700 | [diff] [blame] | 1242 | /* |
| 1243 | * Do not notify other virtual radios of scan results since we do not |
| 1244 | * want them to start other associations at the same time. |
| 1245 | */ |
| 1246 | return 1; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1247 | } else { |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1248 | wpa_dbg(wpa_s, MSG_DEBUG, "No suitable network found"); |
| 1249 | ssid = wpa_supplicant_pick_new_network(wpa_s); |
| 1250 | if (ssid) { |
| 1251 | wpa_dbg(wpa_s, MSG_DEBUG, "Setup a new network"); |
| 1252 | wpa_supplicant_associate(wpa_s, NULL, ssid); |
Jouni Malinen | 87fd279 | 2011-05-16 18:35:42 +0300 | [diff] [blame] | 1253 | wpa_supplicant_rsn_preauth_scan_results(wpa_s); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1254 | } else { |
| 1255 | int timeout_sec = wpa_s->scan_interval; |
| 1256 | int timeout_usec = 0; |
| 1257 | #ifdef CONFIG_P2P |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 1258 | if (wpas_p2p_scan_no_go_seen(wpa_s) == 1) |
| 1259 | return 0; |
| 1260 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1261 | if (wpa_s->p2p_in_provisioning) { |
| 1262 | /* |
| 1263 | * Use shorter wait during P2P Provisioning |
| 1264 | * state to speed up group formation. |
| 1265 | */ |
| 1266 | timeout_sec = 0; |
| 1267 | timeout_usec = 250000; |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 1268 | wpa_supplicant_req_new_scan(wpa_s, timeout_sec, |
| 1269 | timeout_usec); |
| 1270 | return 0; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1271 | } |
| 1272 | #endif /* CONFIG_P2P */ |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 1273 | #ifdef CONFIG_INTERWORKING |
| 1274 | if (wpa_s->conf->auto_interworking && |
| 1275 | wpa_s->conf->interworking && |
| 1276 | wpa_s->conf->cred) { |
| 1277 | wpa_dbg(wpa_s, MSG_DEBUG, "Interworking: " |
| 1278 | "start ANQP fetch since no matching " |
| 1279 | "networks found"); |
| 1280 | wpa_s->network_select = 1; |
| 1281 | wpa_s->auto_network_select = 1; |
| 1282 | interworking_start_fetch_anqp(wpa_s); |
Jouni Malinen | 89ca702 | 2012-09-14 13:03:12 -0700 | [diff] [blame] | 1283 | return 1; |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 1284 | } |
| 1285 | #endif /* CONFIG_INTERWORKING */ |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 1286 | if (wpa_supplicant_req_sched_scan(wpa_s)) |
| 1287 | wpa_supplicant_req_new_scan(wpa_s, timeout_sec, |
| 1288 | timeout_usec); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1289 | } |
| 1290 | } |
| 1291 | return 0; |
| 1292 | } |
| 1293 | |
| 1294 | |
| 1295 | static void wpa_supplicant_event_scan_results(struct wpa_supplicant *wpa_s, |
| 1296 | union wpa_event_data *data) |
| 1297 | { |
| 1298 | const char *rn, *rn2; |
| 1299 | struct wpa_supplicant *ifs; |
Dmitry Shmidt | 37d4d6a | 2013-03-18 13:09:42 -0700 | [diff] [blame^] | 1300 | |
| 1301 | if (_wpa_supplicant_event_scan_results(wpa_s, data, 1) != 0) { |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1302 | /* |
| 1303 | * If no scan results could be fetched, then no need to |
| 1304 | * notify those interfaces that did not actually request |
Jouni Malinen | 89ca702 | 2012-09-14 13:03:12 -0700 | [diff] [blame] | 1305 | * this scan. Similarly, if scan results started a new operation on this |
| 1306 | * interface, do not notify other interfaces to avoid concurrent |
| 1307 | * operations during a connection attempt. |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1308 | */ |
| 1309 | return; |
| 1310 | } |
| 1311 | |
| 1312 | /* |
| 1313 | * Check other interfaces to see if they have the same radio-name. If |
| 1314 | * so, they get updated with this same scan info. |
| 1315 | */ |
| 1316 | if (!wpa_s->driver->get_radio_name) |
| 1317 | return; |
| 1318 | |
| 1319 | rn = wpa_s->driver->get_radio_name(wpa_s->drv_priv); |
| 1320 | if (rn == NULL || rn[0] == '\0') |
| 1321 | return; |
| 1322 | |
| 1323 | wpa_dbg(wpa_s, MSG_DEBUG, "Checking for other virtual interfaces " |
| 1324 | "sharing same radio (%s) in event_scan_results", rn); |
| 1325 | |
| 1326 | for (ifs = wpa_s->global->ifaces; ifs; ifs = ifs->next) { |
| 1327 | if (ifs == wpa_s || !ifs->driver->get_radio_name) |
| 1328 | continue; |
| 1329 | |
| 1330 | rn2 = ifs->driver->get_radio_name(ifs->drv_priv); |
| 1331 | if (rn2 && os_strcmp(rn, rn2) == 0) { |
| 1332 | wpa_printf(MSG_DEBUG, "%s: Updating scan results from " |
| 1333 | "sibling", ifs->ifname); |
Dmitry Shmidt | 37d4d6a | 2013-03-18 13:09:42 -0700 | [diff] [blame^] | 1334 | _wpa_supplicant_event_scan_results(ifs, data, 0); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1335 | } |
| 1336 | } |
| 1337 | } |
| 1338 | |
| 1339 | #endif /* CONFIG_NO_SCAN_PROCESSING */ |
| 1340 | |
| 1341 | |
Dmitry Shmidt | 4b9d52f | 2013-02-05 17:44:43 -0800 | [diff] [blame] | 1342 | int wpa_supplicant_fast_associate(struct wpa_supplicant *wpa_s) |
| 1343 | { |
| 1344 | #ifdef CONFIG_NO_SCAN_PROCESSING |
| 1345 | return -1; |
| 1346 | #else /* CONFIG_NO_SCAN_PROCESSING */ |
| 1347 | struct os_time now; |
| 1348 | |
| 1349 | if (wpa_s->last_scan_res_used <= 0) |
| 1350 | return -1; |
| 1351 | |
| 1352 | os_get_time(&now); |
| 1353 | if (now.sec - wpa_s->last_scan.sec > 5) { |
| 1354 | wpa_printf(MSG_DEBUG, "Fast associate: Old scan results"); |
| 1355 | return -1; |
| 1356 | } |
| 1357 | |
| 1358 | return wpas_select_network_from_last_scan(wpa_s); |
| 1359 | #endif /* CONFIG_NO_SCAN_PROCESSING */ |
| 1360 | } |
| 1361 | |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 1362 | #ifdef CONFIG_WNM |
| 1363 | |
| 1364 | static void wnm_bss_keep_alive(void *eloop_ctx, void *sock_ctx) |
| 1365 | { |
| 1366 | struct wpa_supplicant *wpa_s = eloop_ctx; |
| 1367 | |
| 1368 | if (wpa_s->wpa_state < WPA_ASSOCIATED) |
| 1369 | return; |
| 1370 | |
Dmitry Shmidt | a54fa5f | 2013-01-15 13:53:35 -0800 | [diff] [blame] | 1371 | if (!wpa_s->no_keep_alive) { |
| 1372 | wpa_printf(MSG_DEBUG, "WNM: Send keep-alive to AP " MACSTR, |
| 1373 | MAC2STR(wpa_s->bssid)); |
| 1374 | /* TODO: could skip this if normal data traffic has been sent */ |
| 1375 | /* TODO: Consider using some more appropriate data frame for |
| 1376 | * this */ |
| 1377 | if (wpa_s->l2) |
| 1378 | l2_packet_send(wpa_s->l2, wpa_s->bssid, 0x0800, |
| 1379 | (u8 *) "", 0); |
| 1380 | } |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 1381 | |
| 1382 | #ifdef CONFIG_SME |
| 1383 | if (wpa_s->sme.bss_max_idle_period) { |
| 1384 | unsigned int msec; |
| 1385 | msec = wpa_s->sme.bss_max_idle_period * 1024; /* times 1000 */ |
| 1386 | if (msec > 100) |
| 1387 | msec -= 100; |
| 1388 | eloop_register_timeout(msec / 1000, msec % 1000 * 1000, |
| 1389 | wnm_bss_keep_alive, wpa_s, NULL); |
| 1390 | } |
| 1391 | #endif /* CONFIG_SME */ |
| 1392 | } |
| 1393 | |
| 1394 | |
| 1395 | static void wnm_process_assoc_resp(struct wpa_supplicant *wpa_s, |
| 1396 | const u8 *ies, size_t ies_len) |
| 1397 | { |
| 1398 | struct ieee802_11_elems elems; |
| 1399 | |
| 1400 | if (ies == NULL) |
| 1401 | return; |
| 1402 | |
| 1403 | if (ieee802_11_parse_elems(ies, ies_len, &elems, 1) == ParseFailed) |
| 1404 | return; |
| 1405 | |
| 1406 | #ifdef CONFIG_SME |
| 1407 | if (elems.bss_max_idle_period) { |
| 1408 | unsigned int msec; |
| 1409 | wpa_s->sme.bss_max_idle_period = |
| 1410 | WPA_GET_LE16(elems.bss_max_idle_period); |
| 1411 | wpa_printf(MSG_DEBUG, "WNM: BSS Max Idle Period: %u (* 1000 " |
| 1412 | "TU)%s", wpa_s->sme.bss_max_idle_period, |
| 1413 | (elems.bss_max_idle_period[2] & 0x01) ? |
| 1414 | " (protected keep-live required)" : ""); |
| 1415 | if (wpa_s->sme.bss_max_idle_period == 0) |
| 1416 | wpa_s->sme.bss_max_idle_period = 1; |
| 1417 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) { |
| 1418 | eloop_cancel_timeout(wnm_bss_keep_alive, wpa_s, NULL); |
| 1419 | /* msec times 1000 */ |
| 1420 | msec = wpa_s->sme.bss_max_idle_period * 1024; |
| 1421 | if (msec > 100) |
| 1422 | msec -= 100; |
| 1423 | eloop_register_timeout(msec / 1000, msec % 1000 * 1000, |
| 1424 | wnm_bss_keep_alive, wpa_s, |
| 1425 | NULL); |
| 1426 | } |
| 1427 | } |
| 1428 | #endif /* CONFIG_SME */ |
| 1429 | } |
| 1430 | |
| 1431 | #endif /* CONFIG_WNM */ |
| 1432 | |
| 1433 | |
| 1434 | void wnm_bss_keep_alive_deinit(struct wpa_supplicant *wpa_s) |
| 1435 | { |
| 1436 | #ifdef CONFIG_WNM |
| 1437 | eloop_cancel_timeout(wnm_bss_keep_alive, wpa_s, NULL); |
| 1438 | #endif /* CONFIG_WNM */ |
| 1439 | } |
| 1440 | |
| 1441 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1442 | static int wpa_supplicant_event_associnfo(struct wpa_supplicant *wpa_s, |
| 1443 | union wpa_event_data *data) |
| 1444 | { |
| 1445 | int l, len, found = 0, wpa_found, rsn_found; |
| 1446 | const u8 *p; |
Dmitry Shmidt | 700a137 | 2013-03-15 14:14:44 -0700 | [diff] [blame] | 1447 | #ifdef CONFIG_IEEE80211R |
| 1448 | u8 bssid[ETH_ALEN]; |
| 1449 | #endif /* CONFIG_IEEE80211R */ |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1450 | |
| 1451 | wpa_dbg(wpa_s, MSG_DEBUG, "Association info event"); |
| 1452 | if (data->assoc_info.req_ies) |
| 1453 | wpa_hexdump(MSG_DEBUG, "req_ies", data->assoc_info.req_ies, |
| 1454 | data->assoc_info.req_ies_len); |
| 1455 | if (data->assoc_info.resp_ies) { |
| 1456 | wpa_hexdump(MSG_DEBUG, "resp_ies", data->assoc_info.resp_ies, |
| 1457 | data->assoc_info.resp_ies_len); |
| 1458 | #ifdef CONFIG_TDLS |
| 1459 | wpa_tdls_assoc_resp_ies(wpa_s->wpa, data->assoc_info.resp_ies, |
| 1460 | data->assoc_info.resp_ies_len); |
| 1461 | #endif /* CONFIG_TDLS */ |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 1462 | #ifdef CONFIG_WNM |
| 1463 | wnm_process_assoc_resp(wpa_s, data->assoc_info.resp_ies, |
| 1464 | data->assoc_info.resp_ies_len); |
| 1465 | #endif /* CONFIG_WNM */ |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1466 | } |
| 1467 | if (data->assoc_info.beacon_ies) |
| 1468 | wpa_hexdump(MSG_DEBUG, "beacon_ies", |
| 1469 | data->assoc_info.beacon_ies, |
| 1470 | data->assoc_info.beacon_ies_len); |
| 1471 | if (data->assoc_info.freq) |
| 1472 | wpa_dbg(wpa_s, MSG_DEBUG, "freq=%u MHz", |
| 1473 | data->assoc_info.freq); |
| 1474 | |
| 1475 | p = data->assoc_info.req_ies; |
| 1476 | l = data->assoc_info.req_ies_len; |
| 1477 | |
| 1478 | /* Go through the IEs and make a copy of the WPA/RSN IE, if present. */ |
| 1479 | while (p && l >= 2) { |
| 1480 | len = p[1] + 2; |
| 1481 | if (len > l) { |
| 1482 | wpa_hexdump(MSG_DEBUG, "Truncated IE in assoc_info", |
| 1483 | p, l); |
| 1484 | break; |
| 1485 | } |
| 1486 | if ((p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 6 && |
| 1487 | (os_memcmp(&p[2], "\x00\x50\xF2\x01\x01\x00", 6) == 0)) || |
| 1488 | (p[0] == WLAN_EID_RSN && p[1] >= 2)) { |
| 1489 | if (wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, p, len)) |
| 1490 | break; |
| 1491 | found = 1; |
| 1492 | wpa_find_assoc_pmkid(wpa_s); |
| 1493 | break; |
| 1494 | } |
| 1495 | l -= len; |
| 1496 | p += len; |
| 1497 | } |
| 1498 | if (!found && data->assoc_info.req_ies) |
| 1499 | wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, NULL, 0); |
| 1500 | |
| 1501 | #ifdef CONFIG_IEEE80211R |
| 1502 | #ifdef CONFIG_SME |
| 1503 | if (wpa_s->sme.auth_alg == WPA_AUTH_ALG_FT) { |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1504 | if (wpa_drv_get_bssid(wpa_s, bssid) < 0 || |
| 1505 | wpa_ft_validate_reassoc_resp(wpa_s->wpa, |
| 1506 | data->assoc_info.resp_ies, |
| 1507 | data->assoc_info.resp_ies_len, |
| 1508 | bssid) < 0) { |
| 1509 | wpa_dbg(wpa_s, MSG_DEBUG, "FT: Validation of " |
| 1510 | "Reassociation Response failed"); |
| 1511 | wpa_supplicant_deauthenticate( |
| 1512 | wpa_s, WLAN_REASON_INVALID_IE); |
| 1513 | return -1; |
| 1514 | } |
| 1515 | } |
| 1516 | |
| 1517 | p = data->assoc_info.resp_ies; |
| 1518 | l = data->assoc_info.resp_ies_len; |
| 1519 | |
| 1520 | #ifdef CONFIG_WPS_STRICT |
| 1521 | if (p && wpa_s->current_ssid && |
| 1522 | wpa_s->current_ssid->key_mgmt == WPA_KEY_MGMT_WPS) { |
| 1523 | struct wpabuf *wps; |
| 1524 | wps = ieee802_11_vendor_ie_concat(p, l, WPS_IE_VENDOR_TYPE); |
| 1525 | if (wps == NULL) { |
| 1526 | wpa_msg(wpa_s, MSG_INFO, "WPS-STRICT: AP did not " |
| 1527 | "include WPS IE in (Re)Association Response"); |
| 1528 | return -1; |
| 1529 | } |
| 1530 | |
| 1531 | if (wps_validate_assoc_resp(wps) < 0) { |
| 1532 | wpabuf_free(wps); |
| 1533 | wpa_supplicant_deauthenticate( |
| 1534 | wpa_s, WLAN_REASON_INVALID_IE); |
| 1535 | return -1; |
| 1536 | } |
| 1537 | wpabuf_free(wps); |
| 1538 | } |
| 1539 | #endif /* CONFIG_WPS_STRICT */ |
| 1540 | |
| 1541 | /* Go through the IEs and make a copy of the MDIE, if present. */ |
| 1542 | while (p && l >= 2) { |
| 1543 | len = p[1] + 2; |
| 1544 | if (len > l) { |
| 1545 | wpa_hexdump(MSG_DEBUG, "Truncated IE in assoc_info", |
| 1546 | p, l); |
| 1547 | break; |
| 1548 | } |
| 1549 | if (p[0] == WLAN_EID_MOBILITY_DOMAIN && |
| 1550 | p[1] >= MOBILITY_DOMAIN_ID_LEN) { |
| 1551 | wpa_s->sme.ft_used = 1; |
| 1552 | os_memcpy(wpa_s->sme.mobility_domain, p + 2, |
| 1553 | MOBILITY_DOMAIN_ID_LEN); |
| 1554 | break; |
| 1555 | } |
| 1556 | l -= len; |
| 1557 | p += len; |
| 1558 | } |
| 1559 | #endif /* CONFIG_SME */ |
| 1560 | |
Dmitry Shmidt | 700a137 | 2013-03-15 14:14:44 -0700 | [diff] [blame] | 1561 | /* Process FT when SME is in the driver */ |
| 1562 | if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) && |
| 1563 | wpa_ft_is_completed(wpa_s->wpa)) { |
| 1564 | if (wpa_drv_get_bssid(wpa_s, bssid) < 0 || |
| 1565 | wpa_ft_validate_reassoc_resp(wpa_s->wpa, |
| 1566 | data->assoc_info.resp_ies, |
| 1567 | data->assoc_info.resp_ies_len, |
| 1568 | bssid) < 0) { |
| 1569 | wpa_dbg(wpa_s, MSG_DEBUG, "FT: Validation of " |
| 1570 | "Reassociation Response failed"); |
| 1571 | wpa_supplicant_deauthenticate( |
| 1572 | wpa_s, WLAN_REASON_INVALID_IE); |
| 1573 | return -1; |
| 1574 | } |
| 1575 | wpa_dbg(wpa_s, MSG_DEBUG, "FT: Reassociation Response done"); |
| 1576 | } |
| 1577 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1578 | wpa_sm_set_ft_params(wpa_s->wpa, data->assoc_info.resp_ies, |
| 1579 | data->assoc_info.resp_ies_len); |
| 1580 | #endif /* CONFIG_IEEE80211R */ |
| 1581 | |
| 1582 | /* WPA/RSN IE from Beacon/ProbeResp */ |
| 1583 | p = data->assoc_info.beacon_ies; |
| 1584 | l = data->assoc_info.beacon_ies_len; |
| 1585 | |
| 1586 | /* Go through the IEs and make a copy of the WPA/RSN IEs, if present. |
| 1587 | */ |
| 1588 | wpa_found = rsn_found = 0; |
| 1589 | while (p && l >= 2) { |
| 1590 | len = p[1] + 2; |
| 1591 | if (len > l) { |
| 1592 | wpa_hexdump(MSG_DEBUG, "Truncated IE in beacon_ies", |
| 1593 | p, l); |
| 1594 | break; |
| 1595 | } |
| 1596 | if (!wpa_found && |
| 1597 | p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 6 && |
| 1598 | os_memcmp(&p[2], "\x00\x50\xF2\x01\x01\x00", 6) == 0) { |
| 1599 | wpa_found = 1; |
| 1600 | wpa_sm_set_ap_wpa_ie(wpa_s->wpa, p, len); |
| 1601 | } |
| 1602 | |
| 1603 | if (!rsn_found && |
| 1604 | p[0] == WLAN_EID_RSN && p[1] >= 2) { |
| 1605 | rsn_found = 1; |
| 1606 | wpa_sm_set_ap_rsn_ie(wpa_s->wpa, p, len); |
| 1607 | } |
| 1608 | |
| 1609 | l -= len; |
| 1610 | p += len; |
| 1611 | } |
| 1612 | |
| 1613 | if (!wpa_found && data->assoc_info.beacon_ies) |
| 1614 | wpa_sm_set_ap_wpa_ie(wpa_s->wpa, NULL, 0); |
| 1615 | if (!rsn_found && data->assoc_info.beacon_ies) |
| 1616 | wpa_sm_set_ap_rsn_ie(wpa_s->wpa, NULL, 0); |
| 1617 | if (wpa_found || rsn_found) |
| 1618 | wpa_s->ap_ies_from_associnfo = 1; |
| 1619 | |
Jouni Malinen | 87fd279 | 2011-05-16 18:35:42 +0300 | [diff] [blame] | 1620 | if (wpa_s->assoc_freq && data->assoc_info.freq && |
| 1621 | wpa_s->assoc_freq != data->assoc_info.freq) { |
| 1622 | wpa_printf(MSG_DEBUG, "Operating frequency changed from " |
| 1623 | "%u to %u MHz", |
| 1624 | wpa_s->assoc_freq, data->assoc_info.freq); |
| 1625 | wpa_supplicant_update_scan_results(wpa_s); |
| 1626 | } |
| 1627 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1628 | wpa_s->assoc_freq = data->assoc_info.freq; |
| 1629 | |
| 1630 | return 0; |
| 1631 | } |
| 1632 | |
| 1633 | |
Dmitry Shmidt | c5ec7f5 | 2012-03-06 16:33:24 -0800 | [diff] [blame] | 1634 | static struct wpa_bss * wpa_supplicant_get_new_bss( |
| 1635 | struct wpa_supplicant *wpa_s, const u8 *bssid) |
| 1636 | { |
| 1637 | struct wpa_bss *bss = NULL; |
| 1638 | struct wpa_ssid *ssid = wpa_s->current_ssid; |
| 1639 | |
| 1640 | if (ssid->ssid_len > 0) |
| 1641 | bss = wpa_bss_get(wpa_s, bssid, ssid->ssid, ssid->ssid_len); |
| 1642 | if (!bss) |
| 1643 | bss = wpa_bss_get_bssid(wpa_s, bssid); |
| 1644 | |
| 1645 | return bss; |
| 1646 | } |
| 1647 | |
| 1648 | |
| 1649 | static int wpa_supplicant_assoc_update_ie(struct wpa_supplicant *wpa_s) |
| 1650 | { |
| 1651 | const u8 *bss_wpa = NULL, *bss_rsn = NULL; |
| 1652 | |
| 1653 | if (!wpa_s->current_bss || !wpa_s->current_ssid) |
| 1654 | return -1; |
| 1655 | |
| 1656 | if (!wpa_key_mgmt_wpa_any(wpa_s->current_ssid->key_mgmt)) |
| 1657 | return 0; |
| 1658 | |
| 1659 | bss_wpa = wpa_bss_get_vendor_ie(wpa_s->current_bss, |
| 1660 | WPA_IE_VENDOR_TYPE); |
| 1661 | bss_rsn = wpa_bss_get_ie(wpa_s->current_bss, WLAN_EID_RSN); |
| 1662 | |
| 1663 | if (wpa_sm_set_ap_wpa_ie(wpa_s->wpa, bss_wpa, |
| 1664 | bss_wpa ? 2 + bss_wpa[1] : 0) || |
| 1665 | wpa_sm_set_ap_rsn_ie(wpa_s->wpa, bss_rsn, |
| 1666 | bss_rsn ? 2 + bss_rsn[1] : 0)) |
| 1667 | return -1; |
| 1668 | |
| 1669 | return 0; |
| 1670 | } |
| 1671 | |
| 1672 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1673 | static void wpa_supplicant_event_assoc(struct wpa_supplicant *wpa_s, |
| 1674 | union wpa_event_data *data) |
| 1675 | { |
| 1676 | u8 bssid[ETH_ALEN]; |
| 1677 | int ft_completed; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1678 | struct wpa_driver_capa capa; |
| 1679 | |
| 1680 | #ifdef CONFIG_AP |
| 1681 | if (wpa_s->ap_iface) { |
| 1682 | hostapd_notif_assoc(wpa_s->ap_iface->bss[0], |
| 1683 | data->assoc_info.addr, |
| 1684 | data->assoc_info.req_ies, |
| 1685 | data->assoc_info.req_ies_len, |
| 1686 | data->assoc_info.reassoc); |
| 1687 | return; |
| 1688 | } |
| 1689 | #endif /* CONFIG_AP */ |
| 1690 | |
| 1691 | ft_completed = wpa_ft_is_completed(wpa_s->wpa); |
| 1692 | if (data && wpa_supplicant_event_associnfo(wpa_s, data) < 0) |
| 1693 | return; |
| 1694 | |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 1695 | if (wpa_drv_get_bssid(wpa_s, bssid) < 0) { |
| 1696 | wpa_dbg(wpa_s, MSG_ERROR, "Failed to get BSSID"); |
Dmitry Shmidt | d5e4923 | 2012-12-03 15:08:10 -0800 | [diff] [blame] | 1697 | wpa_supplicant_deauthenticate( |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 1698 | wpa_s, WLAN_REASON_DEAUTH_LEAVING); |
| 1699 | return; |
| 1700 | } |
| 1701 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1702 | wpa_supplicant_set_state(wpa_s, WPA_ASSOCIATED); |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 1703 | if (os_memcmp(bssid, wpa_s->bssid, ETH_ALEN) != 0) { |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1704 | wpa_dbg(wpa_s, MSG_DEBUG, "Associated to a new BSS: BSSID=" |
| 1705 | MACSTR, MAC2STR(bssid)); |
| 1706 | random_add_randomness(bssid, ETH_ALEN); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1707 | os_memcpy(wpa_s->bssid, bssid, ETH_ALEN); |
| 1708 | os_memset(wpa_s->pending_bssid, 0, ETH_ALEN); |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 1709 | wpas_notify_bssid_changed(wpa_s); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1710 | |
| 1711 | if (wpa_supplicant_dynamic_keys(wpa_s) && !ft_completed) { |
| 1712 | wpa_clear_keys(wpa_s, bssid); |
| 1713 | } |
| 1714 | if (wpa_supplicant_select_config(wpa_s) < 0) { |
Dmitry Shmidt | d5e4923 | 2012-12-03 15:08:10 -0800 | [diff] [blame] | 1715 | wpa_supplicant_deauthenticate( |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1716 | wpa_s, WLAN_REASON_DEAUTH_LEAVING); |
| 1717 | return; |
| 1718 | } |
| 1719 | if (wpa_s->current_ssid) { |
| 1720 | struct wpa_bss *bss = NULL; |
Dmitry Shmidt | c5ec7f5 | 2012-03-06 16:33:24 -0800 | [diff] [blame] | 1721 | |
| 1722 | bss = wpa_supplicant_get_new_bss(wpa_s, bssid); |
| 1723 | if (!bss) { |
| 1724 | wpa_supplicant_update_scan_results(wpa_s); |
| 1725 | |
| 1726 | /* Get the BSS from the new scan results */ |
| 1727 | bss = wpa_supplicant_get_new_bss(wpa_s, bssid); |
| 1728 | } |
| 1729 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1730 | if (bss) |
| 1731 | wpa_s->current_bss = bss; |
| 1732 | } |
Dmitry Shmidt | c5ec7f5 | 2012-03-06 16:33:24 -0800 | [diff] [blame] | 1733 | |
Dmitry Shmidt | 1e1c48d | 2013-02-14 16:44:44 -0800 | [diff] [blame] | 1734 | #ifdef ANDROID |
| 1735 | if (wpa_s->conf->ap_scan == 1) { |
| 1736 | #else |
Dmitry Shmidt | c5ec7f5 | 2012-03-06 16:33:24 -0800 | [diff] [blame] | 1737 | if (wpa_s->conf->ap_scan == 1 && |
| 1738 | wpa_s->drv_flags & WPA_DRIVER_FLAGS_BSS_SELECTION) { |
Dmitry Shmidt | 1e1c48d | 2013-02-14 16:44:44 -0800 | [diff] [blame] | 1739 | #endif |
Dmitry Shmidt | c5ec7f5 | 2012-03-06 16:33:24 -0800 | [diff] [blame] | 1740 | if (wpa_supplicant_assoc_update_ie(wpa_s) < 0) |
| 1741 | wpa_msg(wpa_s, MSG_WARNING, |
| 1742 | "WPA/RSN IEs not updated"); |
| 1743 | } |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1744 | } |
| 1745 | |
| 1746 | #ifdef CONFIG_SME |
| 1747 | os_memcpy(wpa_s->sme.prev_bssid, bssid, ETH_ALEN); |
| 1748 | wpa_s->sme.prev_bssid_set = 1; |
| 1749 | #endif /* CONFIG_SME */ |
| 1750 | |
| 1751 | wpa_msg(wpa_s, MSG_INFO, "Associated with " MACSTR, MAC2STR(bssid)); |
| 1752 | if (wpa_s->current_ssid) { |
| 1753 | /* When using scanning (ap_scan=1), SIM PC/SC interface can be |
| 1754 | * initialized before association, but for other modes, |
| 1755 | * initialize PC/SC here, if the current configuration needs |
| 1756 | * smartcard or SIM/USIM. */ |
| 1757 | wpa_supplicant_scard_init(wpa_s, wpa_s->current_ssid); |
| 1758 | } |
| 1759 | wpa_sm_notify_assoc(wpa_s->wpa, bssid); |
| 1760 | if (wpa_s->l2) |
| 1761 | l2_packet_notify_auth_start(wpa_s->l2); |
| 1762 | |
| 1763 | /* |
| 1764 | * Set portEnabled first to FALSE in order to get EAP state machine out |
| 1765 | * of the SUCCESS state and eapSuccess cleared. Without this, EAPOL PAE |
| 1766 | * state machine may transit to AUTHENTICATING state based on obsolete |
| 1767 | * eapSuccess and then trigger BE_AUTH to SUCCESS and PAE to |
| 1768 | * AUTHENTICATED without ever giving chance to EAP state machine to |
| 1769 | * reset the state. |
| 1770 | */ |
| 1771 | if (!ft_completed) { |
| 1772 | eapol_sm_notify_portEnabled(wpa_s->eapol, FALSE); |
| 1773 | eapol_sm_notify_portValid(wpa_s->eapol, FALSE); |
| 1774 | } |
| 1775 | if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) || ft_completed) |
| 1776 | eapol_sm_notify_eap_success(wpa_s->eapol, FALSE); |
| 1777 | /* 802.1X::portControl = Auto */ |
| 1778 | eapol_sm_notify_portEnabled(wpa_s->eapol, TRUE); |
| 1779 | wpa_s->eapol_received = 0; |
| 1780 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE || |
| 1781 | wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE || |
| 1782 | (wpa_s->current_ssid && |
| 1783 | wpa_s->current_ssid->mode == IEEE80211_MODE_IBSS)) { |
| 1784 | wpa_supplicant_cancel_auth_timeout(wpa_s); |
| 1785 | wpa_supplicant_set_state(wpa_s, WPA_COMPLETED); |
| 1786 | } else if (!ft_completed) { |
| 1787 | /* Timeout for receiving the first EAPOL packet */ |
| 1788 | wpa_supplicant_req_auth_timeout(wpa_s, 10, 0); |
| 1789 | } |
| 1790 | wpa_supplicant_cancel_scan(wpa_s); |
| 1791 | |
| 1792 | if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE) && |
| 1793 | wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt)) { |
| 1794 | /* |
| 1795 | * We are done; the driver will take care of RSN 4-way |
| 1796 | * handshake. |
| 1797 | */ |
| 1798 | wpa_supplicant_cancel_auth_timeout(wpa_s); |
| 1799 | wpa_supplicant_set_state(wpa_s, WPA_COMPLETED); |
| 1800 | eapol_sm_notify_portValid(wpa_s->eapol, TRUE); |
| 1801 | eapol_sm_notify_eap_success(wpa_s->eapol, TRUE); |
| 1802 | } else if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE) && |
| 1803 | wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) { |
| 1804 | /* |
| 1805 | * The driver will take care of RSN 4-way handshake, so we need |
| 1806 | * to allow EAPOL supplicant to complete its work without |
| 1807 | * waiting for WPA supplicant. |
| 1808 | */ |
| 1809 | eapol_sm_notify_portValid(wpa_s->eapol, TRUE); |
| 1810 | } else if (ft_completed) { |
| 1811 | /* |
| 1812 | * FT protocol completed - make sure EAPOL state machine ends |
| 1813 | * up in authenticated. |
| 1814 | */ |
| 1815 | wpa_supplicant_cancel_auth_timeout(wpa_s); |
| 1816 | wpa_supplicant_set_state(wpa_s, WPA_COMPLETED); |
| 1817 | eapol_sm_notify_portValid(wpa_s->eapol, TRUE); |
| 1818 | eapol_sm_notify_eap_success(wpa_s->eapol, TRUE); |
| 1819 | } |
| 1820 | |
Jouni Malinen | a05074c | 2012-12-21 21:35:35 +0200 | [diff] [blame] | 1821 | wpa_s->last_eapol_matches_bssid = 0; |
| 1822 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1823 | if (wpa_s->pending_eapol_rx) { |
| 1824 | struct os_time now, age; |
| 1825 | os_get_time(&now); |
| 1826 | os_time_sub(&now, &wpa_s->pending_eapol_rx_time, &age); |
| 1827 | if (age.sec == 0 && age.usec < 100000 && |
| 1828 | os_memcmp(wpa_s->pending_eapol_rx_src, bssid, ETH_ALEN) == |
| 1829 | 0) { |
| 1830 | wpa_dbg(wpa_s, MSG_DEBUG, "Process pending EAPOL " |
| 1831 | "frame that was received just before " |
| 1832 | "association notification"); |
| 1833 | wpa_supplicant_rx_eapol( |
| 1834 | wpa_s, wpa_s->pending_eapol_rx_src, |
| 1835 | wpabuf_head(wpa_s->pending_eapol_rx), |
| 1836 | wpabuf_len(wpa_s->pending_eapol_rx)); |
| 1837 | } |
| 1838 | wpabuf_free(wpa_s->pending_eapol_rx); |
| 1839 | wpa_s->pending_eapol_rx = NULL; |
| 1840 | } |
| 1841 | |
| 1842 | if ((wpa_s->key_mgmt == WPA_KEY_MGMT_NONE || |
| 1843 | wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) && |
| 1844 | wpa_s->current_ssid && wpa_drv_get_capa(wpa_s, &capa) == 0 && |
| 1845 | capa.flags & WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE) { |
| 1846 | /* Set static WEP keys again */ |
| 1847 | wpa_set_wep_keys(wpa_s, wpa_s->current_ssid); |
| 1848 | } |
| 1849 | |
| 1850 | #ifdef CONFIG_IBSS_RSN |
| 1851 | if (wpa_s->current_ssid && |
| 1852 | wpa_s->current_ssid->mode == WPAS_MODE_IBSS && |
| 1853 | wpa_s->key_mgmt != WPA_KEY_MGMT_NONE && |
| 1854 | wpa_s->key_mgmt != WPA_KEY_MGMT_WPA_NONE && |
| 1855 | wpa_s->ibss_rsn == NULL) { |
| 1856 | wpa_s->ibss_rsn = ibss_rsn_init(wpa_s); |
| 1857 | if (!wpa_s->ibss_rsn) { |
| 1858 | wpa_msg(wpa_s, MSG_INFO, "Failed to init IBSS RSN"); |
| 1859 | wpa_supplicant_deauthenticate( |
| 1860 | wpa_s, WLAN_REASON_DEAUTH_LEAVING); |
| 1861 | return; |
| 1862 | } |
| 1863 | |
| 1864 | ibss_rsn_set_psk(wpa_s->ibss_rsn, wpa_s->current_ssid->psk); |
| 1865 | } |
| 1866 | #endif /* CONFIG_IBSS_RSN */ |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 1867 | |
| 1868 | wpas_wps_notify_assoc(wpa_s, bssid); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1869 | } |
| 1870 | |
| 1871 | |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 1872 | static int disconnect_reason_recoverable(u16 reason_code) |
| 1873 | { |
| 1874 | return reason_code == WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY || |
| 1875 | reason_code == WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA || |
| 1876 | reason_code == WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA; |
| 1877 | } |
| 1878 | |
| 1879 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1880 | static void wpa_supplicant_event_disassoc(struct wpa_supplicant *wpa_s, |
Dmitry Shmidt | c5ec7f5 | 2012-03-06 16:33:24 -0800 | [diff] [blame] | 1881 | u16 reason_code, |
| 1882 | int locally_generated) |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1883 | { |
| 1884 | const u8 *bssid; |
Jouni Malinen | 2b89da8 | 2012-08-31 22:04:41 +0300 | [diff] [blame] | 1885 | |
| 1886 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) { |
| 1887 | /* |
| 1888 | * At least Host AP driver and a Prism3 card seemed to be |
| 1889 | * generating streams of disconnected events when configuring |
| 1890 | * IBSS for WPA-None. Ignore them for now. |
| 1891 | */ |
| 1892 | return; |
| 1893 | } |
| 1894 | |
| 1895 | bssid = wpa_s->bssid; |
| 1896 | if (is_zero_ether_addr(bssid)) |
| 1897 | bssid = wpa_s->pending_bssid; |
| 1898 | |
| 1899 | if (!is_zero_ether_addr(bssid) || |
| 1900 | wpa_s->wpa_state >= WPA_AUTHENTICATING) { |
| 1901 | wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_DISCONNECTED "bssid=" MACSTR |
| 1902 | " reason=%d%s", |
| 1903 | MAC2STR(bssid), reason_code, |
| 1904 | locally_generated ? " locally_generated=1" : ""); |
| 1905 | } |
| 1906 | } |
| 1907 | |
| 1908 | |
Dmitry Shmidt | d5e4923 | 2012-12-03 15:08:10 -0800 | [diff] [blame] | 1909 | static int could_be_psk_mismatch(struct wpa_supplicant *wpa_s, u16 reason_code, |
| 1910 | int locally_generated) |
| 1911 | { |
| 1912 | if (wpa_s->wpa_state != WPA_4WAY_HANDSHAKE || |
| 1913 | !wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt)) |
| 1914 | return 0; /* Not in 4-way handshake with PSK */ |
| 1915 | |
| 1916 | /* |
| 1917 | * It looks like connection was lost while trying to go through PSK |
| 1918 | * 4-way handshake. Filter out known disconnection cases that are caused |
| 1919 | * by something else than PSK mismatch to avoid confusing reports. |
| 1920 | */ |
| 1921 | |
| 1922 | if (locally_generated) { |
| 1923 | if (reason_code == WLAN_REASON_IE_IN_4WAY_DIFFERS) |
| 1924 | return 0; |
| 1925 | } |
| 1926 | |
| 1927 | return 1; |
| 1928 | } |
| 1929 | |
| 1930 | |
Jouni Malinen | 2b89da8 | 2012-08-31 22:04:41 +0300 | [diff] [blame] | 1931 | static void wpa_supplicant_event_disassoc_finish(struct wpa_supplicant *wpa_s, |
| 1932 | u16 reason_code, |
| 1933 | int locally_generated) |
| 1934 | { |
| 1935 | const u8 *bssid; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1936 | int authenticating; |
| 1937 | u8 prev_pending_bssid[ETH_ALEN]; |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 1938 | struct wpa_bss *fast_reconnect = NULL; |
| 1939 | struct wpa_ssid *fast_reconnect_ssid = NULL; |
Jouni Malinen | f8a26a8 | 2012-09-01 17:20:27 +0300 | [diff] [blame] | 1940 | struct wpa_ssid *last_ssid; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1941 | |
| 1942 | authenticating = wpa_s->wpa_state == WPA_AUTHENTICATING; |
| 1943 | os_memcpy(prev_pending_bssid, wpa_s->pending_bssid, ETH_ALEN); |
| 1944 | |
| 1945 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) { |
| 1946 | /* |
| 1947 | * At least Host AP driver and a Prism3 card seemed to be |
| 1948 | * generating streams of disconnected events when configuring |
| 1949 | * IBSS for WPA-None. Ignore them for now. |
| 1950 | */ |
| 1951 | wpa_dbg(wpa_s, MSG_DEBUG, "Disconnect event - ignore in " |
| 1952 | "IBSS/WPA-None mode"); |
| 1953 | return; |
| 1954 | } |
| 1955 | |
Dmitry Shmidt | d5e4923 | 2012-12-03 15:08:10 -0800 | [diff] [blame] | 1956 | if (could_be_psk_mismatch(wpa_s, reason_code, locally_generated)) { |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1957 | wpa_msg(wpa_s, MSG_INFO, "WPA: 4-Way Handshake failed - " |
| 1958 | "pre-shared key may be incorrect"); |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 1959 | wpas_auth_failed(wpa_s); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1960 | } |
| 1961 | if (!wpa_s->auto_reconnect_disabled || |
| 1962 | wpa_s->key_mgmt == WPA_KEY_MGMT_WPS) { |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 1963 | wpa_dbg(wpa_s, MSG_DEBUG, "Auto connect enabled: try to " |
| 1964 | "reconnect (wps=%d wpa_state=%d)", |
| 1965 | wpa_s->key_mgmt == WPA_KEY_MGMT_WPS, |
| 1966 | wpa_s->wpa_state); |
| 1967 | if (wpa_s->wpa_state == WPA_COMPLETED && |
| 1968 | wpa_s->current_ssid && |
| 1969 | wpa_s->current_ssid->mode == WPAS_MODE_INFRA && |
Dmitry Shmidt | c5ec7f5 | 2012-03-06 16:33:24 -0800 | [diff] [blame] | 1970 | !locally_generated && |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 1971 | disconnect_reason_recoverable(reason_code)) { |
| 1972 | /* |
| 1973 | * It looks like the AP has dropped association with |
| 1974 | * us, but could allow us to get back in. Try to |
| 1975 | * reconnect to the same BSS without full scan to save |
| 1976 | * time for some common cases. |
| 1977 | */ |
| 1978 | fast_reconnect = wpa_s->current_bss; |
| 1979 | fast_reconnect_ssid = wpa_s->current_ssid; |
| 1980 | } else if (wpa_s->wpa_state >= WPA_ASSOCIATING) |
Dmitry Shmidt | c5ec7f5 | 2012-03-06 16:33:24 -0800 | [diff] [blame] | 1981 | #ifdef ANDROID |
Dmitry Shmidt | 43007fd | 2011-04-11 15:58:40 -0700 | [diff] [blame] | 1982 | wpa_supplicant_req_scan(wpa_s, 0, 500000); |
Dmitry Shmidt | c5ec7f5 | 2012-03-06 16:33:24 -0800 | [diff] [blame] | 1983 | #else |
| 1984 | wpa_supplicant_req_scan(wpa_s, 0, 100000); |
| 1985 | #endif |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 1986 | else |
| 1987 | wpa_dbg(wpa_s, MSG_DEBUG, "Do not request new " |
| 1988 | "immediate scan"); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1989 | } else { |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 1990 | wpa_dbg(wpa_s, MSG_DEBUG, "Auto connect disabled: do not " |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1991 | "try to re-connect"); |
| 1992 | wpa_s->reassociate = 0; |
| 1993 | wpa_s->disconnected = 1; |
Dmitry Shmidt | c5ec7f5 | 2012-03-06 16:33:24 -0800 | [diff] [blame] | 1994 | wpa_supplicant_cancel_sched_scan(wpa_s); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1995 | } |
| 1996 | bssid = wpa_s->bssid; |
| 1997 | if (is_zero_ether_addr(bssid)) |
| 1998 | bssid = wpa_s->pending_bssid; |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 1999 | if (wpa_s->wpa_state >= WPA_AUTHENTICATING) |
| 2000 | wpas_connection_failed(wpa_s, bssid); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2001 | wpa_sm_notify_disassoc(wpa_s->wpa); |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 2002 | if (locally_generated) |
| 2003 | wpa_s->disconnect_reason = -reason_code; |
| 2004 | else |
| 2005 | wpa_s->disconnect_reason = reason_code; |
| 2006 | wpas_notify_disconnect_reason(wpa_s); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2007 | if (wpa_supplicant_dynamic_keys(wpa_s)) { |
| 2008 | wpa_dbg(wpa_s, MSG_DEBUG, "Disconnect event - remove keys"); |
| 2009 | wpa_s->keys_cleared = 0; |
| 2010 | wpa_clear_keys(wpa_s, wpa_s->bssid); |
| 2011 | } |
Jouni Malinen | f8a26a8 | 2012-09-01 17:20:27 +0300 | [diff] [blame] | 2012 | last_ssid = wpa_s->current_ssid; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2013 | wpa_supplicant_mark_disassoc(wpa_s); |
| 2014 | |
Jouni Malinen | f8a26a8 | 2012-09-01 17:20:27 +0300 | [diff] [blame] | 2015 | if (authenticating && (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)) { |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2016 | sme_disassoc_while_authenticating(wpa_s, prev_pending_bssid); |
Jouni Malinen | f8a26a8 | 2012-09-01 17:20:27 +0300 | [diff] [blame] | 2017 | wpa_s->current_ssid = last_ssid; |
| 2018 | } |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 2019 | |
| 2020 | if (fast_reconnect) { |
| 2021 | #ifndef CONFIG_NO_SCAN_PROCESSING |
| 2022 | wpa_dbg(wpa_s, MSG_DEBUG, "Try to reconnect to the same BSS"); |
| 2023 | if (wpa_supplicant_connect(wpa_s, fast_reconnect, |
| 2024 | fast_reconnect_ssid) < 0) { |
| 2025 | /* Recover through full scan */ |
| 2026 | wpa_supplicant_req_scan(wpa_s, 0, 100000); |
| 2027 | } |
| 2028 | #endif /* CONFIG_NO_SCAN_PROCESSING */ |
| 2029 | } |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2030 | } |
| 2031 | |
| 2032 | |
| 2033 | #ifdef CONFIG_DELAYED_MIC_ERROR_REPORT |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 2034 | void wpa_supplicant_delayed_mic_error_report(void *eloop_ctx, void *sock_ctx) |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2035 | { |
| 2036 | struct wpa_supplicant *wpa_s = eloop_ctx; |
| 2037 | |
| 2038 | if (!wpa_s->pending_mic_error_report) |
| 2039 | return; |
| 2040 | |
| 2041 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Sending pending MIC error report"); |
| 2042 | wpa_sm_key_request(wpa_s->wpa, 1, wpa_s->pending_mic_error_pairwise); |
| 2043 | wpa_s->pending_mic_error_report = 0; |
| 2044 | } |
| 2045 | #endif /* CONFIG_DELAYED_MIC_ERROR_REPORT */ |
| 2046 | |
| 2047 | |
| 2048 | static void |
| 2049 | wpa_supplicant_event_michael_mic_failure(struct wpa_supplicant *wpa_s, |
| 2050 | union wpa_event_data *data) |
| 2051 | { |
| 2052 | int pairwise; |
| 2053 | struct os_time t; |
| 2054 | |
| 2055 | wpa_msg(wpa_s, MSG_WARNING, "Michael MIC failure detected"); |
| 2056 | pairwise = (data && data->michael_mic_failure.unicast); |
| 2057 | os_get_time(&t); |
| 2058 | if ((wpa_s->last_michael_mic_error && |
| 2059 | t.sec - wpa_s->last_michael_mic_error <= 60) || |
| 2060 | wpa_s->pending_mic_error_report) { |
| 2061 | if (wpa_s->pending_mic_error_report) { |
| 2062 | /* |
| 2063 | * Send the pending MIC error report immediately since |
| 2064 | * we are going to start countermeasures and AP better |
| 2065 | * do the same. |
| 2066 | */ |
| 2067 | wpa_sm_key_request(wpa_s->wpa, 1, |
| 2068 | wpa_s->pending_mic_error_pairwise); |
| 2069 | } |
| 2070 | |
| 2071 | /* Send the new MIC error report immediately since we are going |
| 2072 | * to start countermeasures and AP better do the same. |
| 2073 | */ |
| 2074 | wpa_sm_key_request(wpa_s->wpa, 1, pairwise); |
| 2075 | |
| 2076 | /* initialize countermeasures */ |
| 2077 | wpa_s->countermeasures = 1; |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 2078 | |
| 2079 | wpa_blacklist_add(wpa_s, wpa_s->bssid); |
| 2080 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2081 | wpa_msg(wpa_s, MSG_WARNING, "TKIP countermeasures started"); |
| 2082 | |
| 2083 | /* |
| 2084 | * Need to wait for completion of request frame. We do not get |
| 2085 | * any callback for the message completion, so just wait a |
| 2086 | * short while and hope for the best. */ |
| 2087 | os_sleep(0, 10000); |
| 2088 | |
| 2089 | wpa_drv_set_countermeasures(wpa_s, 1); |
| 2090 | wpa_supplicant_deauthenticate(wpa_s, |
| 2091 | WLAN_REASON_MICHAEL_MIC_FAILURE); |
| 2092 | eloop_cancel_timeout(wpa_supplicant_stop_countermeasures, |
| 2093 | wpa_s, NULL); |
| 2094 | eloop_register_timeout(60, 0, |
| 2095 | wpa_supplicant_stop_countermeasures, |
| 2096 | wpa_s, NULL); |
| 2097 | /* TODO: mark the AP rejected for 60 second. STA is |
| 2098 | * allowed to associate with another AP.. */ |
| 2099 | } else { |
| 2100 | #ifdef CONFIG_DELAYED_MIC_ERROR_REPORT |
| 2101 | if (wpa_s->mic_errors_seen) { |
| 2102 | /* |
| 2103 | * Reduce the effectiveness of Michael MIC error |
| 2104 | * reports as a means for attacking against TKIP if |
| 2105 | * more than one MIC failure is noticed with the same |
| 2106 | * PTK. We delay the transmission of the reports by a |
| 2107 | * random time between 0 and 60 seconds in order to |
| 2108 | * force the attacker wait 60 seconds before getting |
| 2109 | * the information on whether a frame resulted in a MIC |
| 2110 | * failure. |
| 2111 | */ |
| 2112 | u8 rval[4]; |
| 2113 | int sec; |
| 2114 | |
| 2115 | if (os_get_random(rval, sizeof(rval)) < 0) |
| 2116 | sec = os_random() % 60; |
| 2117 | else |
| 2118 | sec = WPA_GET_BE32(rval) % 60; |
| 2119 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Delay MIC error " |
| 2120 | "report %d seconds", sec); |
| 2121 | wpa_s->pending_mic_error_report = 1; |
| 2122 | wpa_s->pending_mic_error_pairwise = pairwise; |
| 2123 | eloop_cancel_timeout( |
| 2124 | wpa_supplicant_delayed_mic_error_report, |
| 2125 | wpa_s, NULL); |
| 2126 | eloop_register_timeout( |
| 2127 | sec, os_random() % 1000000, |
| 2128 | wpa_supplicant_delayed_mic_error_report, |
| 2129 | wpa_s, NULL); |
| 2130 | } else { |
| 2131 | wpa_sm_key_request(wpa_s->wpa, 1, pairwise); |
| 2132 | } |
| 2133 | #else /* CONFIG_DELAYED_MIC_ERROR_REPORT */ |
| 2134 | wpa_sm_key_request(wpa_s->wpa, 1, pairwise); |
| 2135 | #endif /* CONFIG_DELAYED_MIC_ERROR_REPORT */ |
| 2136 | } |
| 2137 | wpa_s->last_michael_mic_error = t.sec; |
| 2138 | wpa_s->mic_errors_seen++; |
| 2139 | } |
| 2140 | |
| 2141 | |
| 2142 | #ifdef CONFIG_TERMINATE_ONLASTIF |
| 2143 | static int any_interfaces(struct wpa_supplicant *head) |
| 2144 | { |
| 2145 | struct wpa_supplicant *wpa_s; |
| 2146 | |
| 2147 | for (wpa_s = head; wpa_s != NULL; wpa_s = wpa_s->next) |
| 2148 | if (!wpa_s->interface_removed) |
| 2149 | return 1; |
| 2150 | return 0; |
| 2151 | } |
| 2152 | #endif /* CONFIG_TERMINATE_ONLASTIF */ |
| 2153 | |
| 2154 | |
| 2155 | static void |
| 2156 | wpa_supplicant_event_interface_status(struct wpa_supplicant *wpa_s, |
| 2157 | union wpa_event_data *data) |
| 2158 | { |
| 2159 | if (os_strcmp(wpa_s->ifname, data->interface_status.ifname) != 0) |
| 2160 | return; |
| 2161 | |
| 2162 | switch (data->interface_status.ievent) { |
| 2163 | case EVENT_INTERFACE_ADDED: |
| 2164 | if (!wpa_s->interface_removed) |
| 2165 | break; |
| 2166 | wpa_s->interface_removed = 0; |
| 2167 | wpa_dbg(wpa_s, MSG_DEBUG, "Configured interface was added"); |
| 2168 | if (wpa_supplicant_driver_init(wpa_s) < 0) { |
| 2169 | wpa_msg(wpa_s, MSG_INFO, "Failed to initialize the " |
| 2170 | "driver after interface was added"); |
| 2171 | } |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 2172 | wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2173 | break; |
| 2174 | case EVENT_INTERFACE_REMOVED: |
| 2175 | wpa_dbg(wpa_s, MSG_DEBUG, "Configured interface was removed"); |
| 2176 | wpa_s->interface_removed = 1; |
| 2177 | wpa_supplicant_mark_disassoc(wpa_s); |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 2178 | wpa_supplicant_set_state(wpa_s, WPA_INTERFACE_DISABLED); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2179 | l2_packet_deinit(wpa_s->l2); |
| 2180 | wpa_s->l2 = NULL; |
| 2181 | #ifdef CONFIG_IBSS_RSN |
| 2182 | ibss_rsn_deinit(wpa_s->ibss_rsn); |
| 2183 | wpa_s->ibss_rsn = NULL; |
| 2184 | #endif /* CONFIG_IBSS_RSN */ |
| 2185 | #ifdef CONFIG_TERMINATE_ONLASTIF |
| 2186 | /* check if last interface */ |
| 2187 | if (!any_interfaces(wpa_s->global->ifaces)) |
| 2188 | eloop_terminate(); |
| 2189 | #endif /* CONFIG_TERMINATE_ONLASTIF */ |
| 2190 | break; |
| 2191 | } |
| 2192 | } |
| 2193 | |
| 2194 | |
| 2195 | #ifdef CONFIG_PEERKEY |
| 2196 | static void |
| 2197 | wpa_supplicant_event_stkstart(struct wpa_supplicant *wpa_s, |
| 2198 | union wpa_event_data *data) |
| 2199 | { |
| 2200 | if (data == NULL) |
| 2201 | return; |
| 2202 | wpa_sm_stkstart(wpa_s->wpa, data->stkstart.peer); |
| 2203 | } |
| 2204 | #endif /* CONFIG_PEERKEY */ |
| 2205 | |
| 2206 | |
| 2207 | #ifdef CONFIG_TDLS |
| 2208 | static void wpa_supplicant_event_tdls(struct wpa_supplicant *wpa_s, |
| 2209 | union wpa_event_data *data) |
| 2210 | { |
| 2211 | if (data == NULL) |
| 2212 | return; |
| 2213 | switch (data->tdls.oper) { |
| 2214 | case TDLS_REQUEST_SETUP: |
Dmitry Shmidt | 4b9d52f | 2013-02-05 17:44:43 -0800 | [diff] [blame] | 2215 | wpa_tdls_remove(wpa_s->wpa, data->tdls.peer); |
| 2216 | if (wpa_tdls_is_external_setup(wpa_s->wpa)) |
| 2217 | wpa_tdls_start(wpa_s->wpa, data->tdls.peer); |
| 2218 | else |
| 2219 | wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, data->tdls.peer); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2220 | break; |
| 2221 | case TDLS_REQUEST_TEARDOWN: |
Dmitry Shmidt | 4b9d52f | 2013-02-05 17:44:43 -0800 | [diff] [blame] | 2222 | wpa_tdls_teardown_link(wpa_s->wpa, data->tdls.peer, |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 2223 | data->tdls.reason_code); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2224 | break; |
| 2225 | } |
| 2226 | } |
| 2227 | #endif /* CONFIG_TDLS */ |
| 2228 | |
| 2229 | |
Dmitry Shmidt | a54fa5f | 2013-01-15 13:53:35 -0800 | [diff] [blame] | 2230 | #ifdef CONFIG_WNM |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 2231 | static void wpa_supplicant_event_wnm(struct wpa_supplicant *wpa_s, |
| 2232 | union wpa_event_data *data) |
| 2233 | { |
| 2234 | if (data == NULL) |
| 2235 | return; |
| 2236 | switch (data->wnm.oper) { |
| 2237 | case WNM_OPER_SLEEP: |
| 2238 | wpa_printf(MSG_DEBUG, "Start sending WNM-Sleep Request " |
| 2239 | "(action=%d, intval=%d)", |
| 2240 | data->wnm.sleep_action, data->wnm.sleep_intval); |
| 2241 | ieee802_11_send_wnmsleep_req(wpa_s, data->wnm.sleep_action, |
Dmitry Shmidt | a54fa5f | 2013-01-15 13:53:35 -0800 | [diff] [blame] | 2242 | data->wnm.sleep_intval, NULL); |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 2243 | break; |
| 2244 | } |
| 2245 | } |
Dmitry Shmidt | a54fa5f | 2013-01-15 13:53:35 -0800 | [diff] [blame] | 2246 | #endif /* CONFIG_WNM */ |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 2247 | |
| 2248 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2249 | #ifdef CONFIG_IEEE80211R |
| 2250 | static void |
| 2251 | wpa_supplicant_event_ft_response(struct wpa_supplicant *wpa_s, |
| 2252 | union wpa_event_data *data) |
| 2253 | { |
| 2254 | if (data == NULL) |
| 2255 | return; |
| 2256 | |
| 2257 | if (wpa_ft_process_response(wpa_s->wpa, data->ft_ies.ies, |
| 2258 | data->ft_ies.ies_len, |
| 2259 | data->ft_ies.ft_action, |
| 2260 | data->ft_ies.target_ap, |
| 2261 | data->ft_ies.ric_ies, |
| 2262 | data->ft_ies.ric_ies_len) < 0) { |
| 2263 | /* TODO: prevent MLME/driver from trying to associate? */ |
| 2264 | } |
| 2265 | } |
| 2266 | #endif /* CONFIG_IEEE80211R */ |
| 2267 | |
| 2268 | |
| 2269 | #ifdef CONFIG_IBSS_RSN |
| 2270 | static void wpa_supplicant_event_ibss_rsn_start(struct wpa_supplicant *wpa_s, |
| 2271 | union wpa_event_data *data) |
| 2272 | { |
| 2273 | struct wpa_ssid *ssid; |
| 2274 | if (wpa_s->wpa_state < WPA_ASSOCIATED) |
| 2275 | return; |
| 2276 | if (data == NULL) |
| 2277 | return; |
| 2278 | ssid = wpa_s->current_ssid; |
| 2279 | if (ssid == NULL) |
| 2280 | return; |
| 2281 | if (ssid->mode != WPAS_MODE_IBSS || !wpa_key_mgmt_wpa(ssid->key_mgmt)) |
| 2282 | return; |
| 2283 | |
| 2284 | ibss_rsn_start(wpa_s->ibss_rsn, data->ibss_rsn_start.peer); |
| 2285 | } |
| 2286 | #endif /* CONFIG_IBSS_RSN */ |
| 2287 | |
| 2288 | |
| 2289 | #ifdef CONFIG_IEEE80211R |
| 2290 | static void ft_rx_action(struct wpa_supplicant *wpa_s, const u8 *data, |
| 2291 | size_t len) |
| 2292 | { |
| 2293 | const u8 *sta_addr, *target_ap_addr; |
| 2294 | u16 status; |
| 2295 | |
| 2296 | wpa_hexdump(MSG_MSGDUMP, "FT: RX Action", data, len); |
| 2297 | if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)) |
| 2298 | return; /* only SME case supported for now */ |
| 2299 | if (len < 1 + 2 * ETH_ALEN + 2) |
| 2300 | return; |
| 2301 | if (data[0] != 2) |
| 2302 | return; /* Only FT Action Response is supported for now */ |
| 2303 | sta_addr = data + 1; |
| 2304 | target_ap_addr = data + 1 + ETH_ALEN; |
| 2305 | status = WPA_GET_LE16(data + 1 + 2 * ETH_ALEN); |
| 2306 | wpa_dbg(wpa_s, MSG_DEBUG, "FT: Received FT Action Response: STA " |
| 2307 | MACSTR " TargetAP " MACSTR " status %u", |
| 2308 | MAC2STR(sta_addr), MAC2STR(target_ap_addr), status); |
| 2309 | |
| 2310 | if (os_memcmp(sta_addr, wpa_s->own_addr, ETH_ALEN) != 0) { |
| 2311 | wpa_dbg(wpa_s, MSG_DEBUG, "FT: Foreign STA Address " MACSTR |
| 2312 | " in FT Action Response", MAC2STR(sta_addr)); |
| 2313 | return; |
| 2314 | } |
| 2315 | |
| 2316 | if (status) { |
| 2317 | wpa_dbg(wpa_s, MSG_DEBUG, "FT: FT Action Response indicates " |
| 2318 | "failure (status code %d)", status); |
| 2319 | /* TODO: report error to FT code(?) */ |
| 2320 | return; |
| 2321 | } |
| 2322 | |
| 2323 | if (wpa_ft_process_response(wpa_s->wpa, data + 1 + 2 * ETH_ALEN + 2, |
| 2324 | len - (1 + 2 * ETH_ALEN + 2), 1, |
| 2325 | target_ap_addr, NULL, 0) < 0) |
| 2326 | return; |
| 2327 | |
| 2328 | #ifdef CONFIG_SME |
| 2329 | { |
| 2330 | struct wpa_bss *bss; |
| 2331 | bss = wpa_bss_get_bssid(wpa_s, target_ap_addr); |
| 2332 | if (bss) |
| 2333 | wpa_s->sme.freq = bss->freq; |
| 2334 | wpa_s->sme.auth_alg = WPA_AUTH_ALG_FT; |
| 2335 | sme_associate(wpa_s, WPAS_MODE_INFRA, target_ap_addr, |
| 2336 | WLAN_AUTH_FT); |
| 2337 | } |
| 2338 | #endif /* CONFIG_SME */ |
| 2339 | } |
| 2340 | #endif /* CONFIG_IEEE80211R */ |
| 2341 | |
| 2342 | |
| 2343 | static void wpa_supplicant_event_unprot_deauth(struct wpa_supplicant *wpa_s, |
| 2344 | struct unprot_deauth *e) |
| 2345 | { |
| 2346 | #ifdef CONFIG_IEEE80211W |
| 2347 | wpa_printf(MSG_DEBUG, "Unprotected Deauthentication frame " |
| 2348 | "dropped: " MACSTR " -> " MACSTR |
| 2349 | " (reason code %u)", |
| 2350 | MAC2STR(e->sa), MAC2STR(e->da), e->reason_code); |
| 2351 | sme_event_unprot_disconnect(wpa_s, e->sa, e->da, e->reason_code); |
| 2352 | #endif /* CONFIG_IEEE80211W */ |
| 2353 | } |
| 2354 | |
| 2355 | |
| 2356 | static void wpa_supplicant_event_unprot_disassoc(struct wpa_supplicant *wpa_s, |
| 2357 | struct unprot_disassoc *e) |
| 2358 | { |
| 2359 | #ifdef CONFIG_IEEE80211W |
| 2360 | wpa_printf(MSG_DEBUG, "Unprotected Disassociation frame " |
| 2361 | "dropped: " MACSTR " -> " MACSTR |
| 2362 | " (reason code %u)", |
| 2363 | MAC2STR(e->sa), MAC2STR(e->da), e->reason_code); |
| 2364 | sme_event_unprot_disconnect(wpa_s, e->sa, e->da, e->reason_code); |
| 2365 | #endif /* CONFIG_IEEE80211W */ |
| 2366 | } |
| 2367 | |
| 2368 | |
| 2369 | void wpa_supplicant_event(void *ctx, enum wpa_event_type event, |
| 2370 | union wpa_event_data *data) |
| 2371 | { |
| 2372 | struct wpa_supplicant *wpa_s = ctx; |
| 2373 | u16 reason_code = 0; |
Dmitry Shmidt | c5ec7f5 | 2012-03-06 16:33:24 -0800 | [diff] [blame] | 2374 | int locally_generated = 0; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2375 | |
| 2376 | if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED && |
| 2377 | event != EVENT_INTERFACE_ENABLED && |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 2378 | event != EVENT_INTERFACE_STATUS && |
| 2379 | event != EVENT_SCHED_SCAN_STOPPED) { |
| 2380 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 2381 | "Ignore event %s (%d) while interface is disabled", |
| 2382 | event_to_string(event), event); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2383 | return; |
| 2384 | } |
| 2385 | |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 2386 | #ifndef CONFIG_NO_STDOUT_DEBUG |
| 2387 | { |
| 2388 | int level = MSG_DEBUG; |
| 2389 | |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 2390 | if (event == EVENT_RX_MGMT && data->rx_mgmt.frame_len >= 24) { |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 2391 | const struct ieee80211_hdr *hdr; |
| 2392 | u16 fc; |
| 2393 | hdr = (const struct ieee80211_hdr *) data->rx_mgmt.frame; |
| 2394 | fc = le_to_host16(hdr->frame_control); |
| 2395 | if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT && |
| 2396 | WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON) |
| 2397 | level = MSG_EXCESSIVE; |
| 2398 | } |
| 2399 | |
| 2400 | wpa_dbg(wpa_s, level, "Event %s (%d) received", |
| 2401 | event_to_string(event), event); |
| 2402 | } |
| 2403 | #endif /* CONFIG_NO_STDOUT_DEBUG */ |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2404 | |
| 2405 | switch (event) { |
| 2406 | case EVENT_AUTH: |
| 2407 | sme_event_auth(wpa_s, data); |
| 2408 | break; |
| 2409 | case EVENT_ASSOC: |
| 2410 | wpa_supplicant_event_assoc(wpa_s, data); |
| 2411 | break; |
| 2412 | case EVENT_DISASSOC: |
| 2413 | wpa_dbg(wpa_s, MSG_DEBUG, "Disassociation notification"); |
| 2414 | if (data) { |
Dmitry Shmidt | c5ec7f5 | 2012-03-06 16:33:24 -0800 | [diff] [blame] | 2415 | wpa_dbg(wpa_s, MSG_DEBUG, " * reason %u%s", |
| 2416 | data->disassoc_info.reason_code, |
| 2417 | data->disassoc_info.locally_generated ? |
| 2418 | " (locally generated)" : ""); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2419 | if (data->disassoc_info.addr) |
| 2420 | wpa_dbg(wpa_s, MSG_DEBUG, " * address " MACSTR, |
| 2421 | MAC2STR(data->disassoc_info.addr)); |
| 2422 | } |
| 2423 | #ifdef CONFIG_AP |
| 2424 | if (wpa_s->ap_iface && data && data->disassoc_info.addr) { |
| 2425 | hostapd_notif_disassoc(wpa_s->ap_iface->bss[0], |
| 2426 | data->disassoc_info.addr); |
| 2427 | break; |
| 2428 | } |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 2429 | if (wpa_s->ap_iface) { |
| 2430 | wpa_dbg(wpa_s, MSG_DEBUG, "Ignore disassoc event in " |
| 2431 | "AP mode"); |
| 2432 | break; |
| 2433 | } |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2434 | #endif /* CONFIG_AP */ |
| 2435 | if (data) { |
| 2436 | reason_code = data->disassoc_info.reason_code; |
Dmitry Shmidt | c5ec7f5 | 2012-03-06 16:33:24 -0800 | [diff] [blame] | 2437 | locally_generated = |
| 2438 | data->disassoc_info.locally_generated; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2439 | wpa_hexdump(MSG_DEBUG, "Disassociation frame IE(s)", |
| 2440 | data->disassoc_info.ie, |
| 2441 | data->disassoc_info.ie_len); |
| 2442 | #ifdef CONFIG_P2P |
| 2443 | wpas_p2p_disassoc_notif( |
| 2444 | wpa_s, data->disassoc_info.addr, reason_code, |
| 2445 | data->disassoc_info.ie, |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 2446 | data->disassoc_info.ie_len, |
| 2447 | locally_generated); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2448 | #endif /* CONFIG_P2P */ |
| 2449 | } |
| 2450 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) |
| 2451 | sme_event_disassoc(wpa_s, data); |
| 2452 | /* fall through */ |
| 2453 | case EVENT_DEAUTH: |
| 2454 | if (event == EVENT_DEAUTH) { |
| 2455 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 2456 | "Deauthentication notification"); |
| 2457 | if (data) { |
| 2458 | reason_code = data->deauth_info.reason_code; |
Dmitry Shmidt | c5ec7f5 | 2012-03-06 16:33:24 -0800 | [diff] [blame] | 2459 | locally_generated = |
| 2460 | data->deauth_info.locally_generated; |
| 2461 | wpa_dbg(wpa_s, MSG_DEBUG, " * reason %u%s", |
| 2462 | data->deauth_info.reason_code, |
| 2463 | data->deauth_info.locally_generated ? |
| 2464 | " (locally generated)" : ""); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2465 | if (data->deauth_info.addr) { |
| 2466 | wpa_dbg(wpa_s, MSG_DEBUG, " * address " |
| 2467 | MACSTR, |
| 2468 | MAC2STR(data->deauth_info. |
| 2469 | addr)); |
| 2470 | } |
| 2471 | wpa_hexdump(MSG_DEBUG, |
| 2472 | "Deauthentication frame IE(s)", |
| 2473 | data->deauth_info.ie, |
| 2474 | data->deauth_info.ie_len); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2475 | } |
| 2476 | } |
| 2477 | #ifdef CONFIG_AP |
| 2478 | if (wpa_s->ap_iface && data && data->deauth_info.addr) { |
| 2479 | hostapd_notif_disassoc(wpa_s->ap_iface->bss[0], |
| 2480 | data->deauth_info.addr); |
| 2481 | break; |
| 2482 | } |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 2483 | if (wpa_s->ap_iface) { |
| 2484 | wpa_dbg(wpa_s, MSG_DEBUG, "Ignore deauth event in " |
| 2485 | "AP mode"); |
| 2486 | break; |
| 2487 | } |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2488 | #endif /* CONFIG_AP */ |
Dmitry Shmidt | c5ec7f5 | 2012-03-06 16:33:24 -0800 | [diff] [blame] | 2489 | wpa_supplicant_event_disassoc(wpa_s, reason_code, |
| 2490 | locally_generated); |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 2491 | if (reason_code == WLAN_REASON_IEEE_802_1X_AUTH_FAILED || |
| 2492 | ((wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) || |
| 2493 | (wpa_s->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA)) && |
| 2494 | eapol_sm_failed(wpa_s->eapol))) |
| 2495 | wpas_auth_failed(wpa_s); |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 2496 | #ifdef CONFIG_P2P |
| 2497 | if (event == EVENT_DEAUTH && data) { |
Jouni Malinen | 2b89da8 | 2012-08-31 22:04:41 +0300 | [diff] [blame] | 2498 | if (wpas_p2p_deauth_notif(wpa_s, |
| 2499 | data->deauth_info.addr, |
| 2500 | reason_code, |
| 2501 | data->deauth_info.ie, |
| 2502 | data->deauth_info.ie_len, |
| 2503 | locally_generated) > 0) { |
| 2504 | /* |
| 2505 | * The interface was removed, so cannot |
| 2506 | * continue processing any additional |
| 2507 | * operations after this. |
| 2508 | */ |
| 2509 | break; |
| 2510 | } |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 2511 | } |
| 2512 | #endif /* CONFIG_P2P */ |
Jouni Malinen | 2b89da8 | 2012-08-31 22:04:41 +0300 | [diff] [blame] | 2513 | wpa_supplicant_event_disassoc_finish(wpa_s, reason_code, |
| 2514 | locally_generated); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2515 | break; |
| 2516 | case EVENT_MICHAEL_MIC_FAILURE: |
| 2517 | wpa_supplicant_event_michael_mic_failure(wpa_s, data); |
| 2518 | break; |
| 2519 | #ifndef CONFIG_NO_SCAN_PROCESSING |
| 2520 | case EVENT_SCAN_RESULTS: |
| 2521 | wpa_supplicant_event_scan_results(wpa_s, data); |
Dmitry Shmidt | 37d4d6a | 2013-03-18 13:09:42 -0700 | [diff] [blame^] | 2522 | if (wpa_s->wpa_state != WPA_AUTHENTICATING && |
| 2523 | wpa_s->wpa_state != WPA_ASSOCIATING) |
| 2524 | wpas_p2p_continue_after_scan(wpa_s); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2525 | break; |
| 2526 | #endif /* CONFIG_NO_SCAN_PROCESSING */ |
| 2527 | case EVENT_ASSOCINFO: |
| 2528 | wpa_supplicant_event_associnfo(wpa_s, data); |
| 2529 | break; |
| 2530 | case EVENT_INTERFACE_STATUS: |
| 2531 | wpa_supplicant_event_interface_status(wpa_s, data); |
| 2532 | break; |
| 2533 | case EVENT_PMKID_CANDIDATE: |
| 2534 | wpa_supplicant_event_pmkid_candidate(wpa_s, data); |
| 2535 | break; |
| 2536 | #ifdef CONFIG_PEERKEY |
| 2537 | case EVENT_STKSTART: |
| 2538 | wpa_supplicant_event_stkstart(wpa_s, data); |
| 2539 | break; |
| 2540 | #endif /* CONFIG_PEERKEY */ |
| 2541 | #ifdef CONFIG_TDLS |
| 2542 | case EVENT_TDLS: |
| 2543 | wpa_supplicant_event_tdls(wpa_s, data); |
| 2544 | break; |
| 2545 | #endif /* CONFIG_TDLS */ |
Dmitry Shmidt | a54fa5f | 2013-01-15 13:53:35 -0800 | [diff] [blame] | 2546 | #ifdef CONFIG_WNM |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 2547 | case EVENT_WNM: |
| 2548 | wpa_supplicant_event_wnm(wpa_s, data); |
| 2549 | break; |
Dmitry Shmidt | a54fa5f | 2013-01-15 13:53:35 -0800 | [diff] [blame] | 2550 | #endif /* CONFIG_WNM */ |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2551 | #ifdef CONFIG_IEEE80211R |
| 2552 | case EVENT_FT_RESPONSE: |
| 2553 | wpa_supplicant_event_ft_response(wpa_s, data); |
| 2554 | break; |
| 2555 | #endif /* CONFIG_IEEE80211R */ |
| 2556 | #ifdef CONFIG_IBSS_RSN |
| 2557 | case EVENT_IBSS_RSN_START: |
| 2558 | wpa_supplicant_event_ibss_rsn_start(wpa_s, data); |
| 2559 | break; |
| 2560 | #endif /* CONFIG_IBSS_RSN */ |
| 2561 | case EVENT_ASSOC_REJECT: |
| 2562 | if (data->assoc_reject.bssid) |
| 2563 | wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_ASSOC_REJECT |
| 2564 | "bssid=" MACSTR " status_code=%u", |
| 2565 | MAC2STR(data->assoc_reject.bssid), |
| 2566 | data->assoc_reject.status_code); |
| 2567 | else |
| 2568 | wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_ASSOC_REJECT |
| 2569 | "status_code=%u", |
| 2570 | data->assoc_reject.status_code); |
| 2571 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) |
| 2572 | sme_event_assoc_reject(wpa_s, data); |
Jeff Johnson | b485b18 | 2012-10-21 18:19:27 -0700 | [diff] [blame] | 2573 | else { |
Dmitry Shmidt | d5e4923 | 2012-12-03 15:08:10 -0800 | [diff] [blame] | 2574 | #ifdef ANDROID_P2P |
Irfan Sheriff | 7db4ef7 | 2012-06-18 09:39:07 -0700 | [diff] [blame] | 2575 | if(!wpa_s->current_ssid) { |
| 2576 | wpa_printf(MSG_ERROR, "current_ssid == NULL"); |
| 2577 | break; |
| 2578 | } |
| 2579 | /* If assoc reject is reported by the driver, then avoid |
| 2580 | * waiting for the authentication timeout. Cancel the |
| 2581 | * authentication timeout and retry the assoc. |
| 2582 | */ |
Jeff Johnson | b485b18 | 2012-10-21 18:19:27 -0700 | [diff] [blame] | 2583 | if(wpa_s->current_ssid->assoc_retry++ < 10) { |
Irfan Sheriff | 7db4ef7 | 2012-06-18 09:39:07 -0700 | [diff] [blame] | 2584 | wpa_printf(MSG_ERROR, "Retrying assoc: %d ", |
| 2585 | wpa_s->current_ssid->assoc_retry); |
Jeff Johnson | b485b18 | 2012-10-21 18:19:27 -0700 | [diff] [blame] | 2586 | |
Irfan Sheriff | 7db4ef7 | 2012-06-18 09:39:07 -0700 | [diff] [blame] | 2587 | wpa_supplicant_cancel_auth_timeout(wpa_s); |
Dmitry Shmidt | 98f9e76 | 2012-05-30 11:18:46 -0700 | [diff] [blame] | 2588 | |
Irfan Sheriff | 7db4ef7 | 2012-06-18 09:39:07 -0700 | [diff] [blame] | 2589 | /* Clear the states */ |
| 2590 | wpa_sm_notify_disassoc(wpa_s->wpa); |
| 2591 | wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING); |
| 2592 | |
| 2593 | wpa_s->reassociate = 1; |
Jeff Johnson | b485b18 | 2012-10-21 18:19:27 -0700 | [diff] [blame] | 2594 | if (wpa_s->p2p_group_interface == NOT_P2P_GROUP_INTERFACE) { |
Dmitry Shmidt | 54cb0f6 | 2012-10-29 13:12:24 -0700 | [diff] [blame] | 2595 | const u8 *bl_bssid = data->assoc_reject.bssid; |
| 2596 | if (!bl_bssid || is_zero_ether_addr(bl_bssid)) |
| 2597 | bl_bssid = wpa_s->pending_bssid; |
| 2598 | wpa_blacklist_add(wpa_s, bl_bssid); |
Jeff Johnson | b485b18 | 2012-10-21 18:19:27 -0700 | [diff] [blame] | 2599 | wpa_supplicant_req_scan(wpa_s, 0, 0); |
| 2600 | } else { |
| 2601 | wpa_supplicant_req_scan(wpa_s, 1, 0); |
| 2602 | } |
| 2603 | } else if (wpa_s->p2p_group_interface != NOT_P2P_GROUP_INTERFACE) { |
Irfan Sheriff | 7db4ef7 | 2012-06-18 09:39:07 -0700 | [diff] [blame] | 2604 | /* If we ASSOC_REJECT's hits threshold, disable the |
| 2605 | * network |
| 2606 | */ |
| 2607 | wpa_printf(MSG_ERROR, "Assoc retry threshold reached. " |
| 2608 | "Disabling the network"); |
Irfan Sheriff | 2fb835a | 2012-06-18 09:39:07 -0700 | [diff] [blame] | 2609 | wpa_s->current_ssid->assoc_retry = 0; |
Irfan Sheriff | 7db4ef7 | 2012-06-18 09:39:07 -0700 | [diff] [blame] | 2610 | wpa_supplicant_disable_network(wpa_s, wpa_s->current_ssid); |
Irfan Sheriff | 2fb835a | 2012-06-18 09:39:07 -0700 | [diff] [blame] | 2611 | wpas_p2p_group_remove(wpa_s, wpa_s->ifname); |
Irfan Sheriff | 7db4ef7 | 2012-06-18 09:39:07 -0700 | [diff] [blame] | 2612 | } |
Dmitry Shmidt | d5e4923 | 2012-12-03 15:08:10 -0800 | [diff] [blame] | 2613 | #else |
| 2614 | const u8 *bssid = data->assoc_reject.bssid; |
| 2615 | if (bssid == NULL || is_zero_ether_addr(bssid)) |
| 2616 | bssid = wpa_s->pending_bssid; |
| 2617 | wpas_connection_failed(wpa_s, bssid); |
| 2618 | wpa_supplicant_mark_disassoc(wpa_s); |
Dmitry Shmidt | 98f9e76 | 2012-05-30 11:18:46 -0700 | [diff] [blame] | 2619 | #endif /* ANDROID_P2P */ |
Dmitry Shmidt | d5e4923 | 2012-12-03 15:08:10 -0800 | [diff] [blame] | 2620 | } |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2621 | break; |
| 2622 | case EVENT_AUTH_TIMED_OUT: |
| 2623 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) |
| 2624 | sme_event_auth_timed_out(wpa_s, data); |
| 2625 | break; |
| 2626 | case EVENT_ASSOC_TIMED_OUT: |
| 2627 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) |
| 2628 | sme_event_assoc_timed_out(wpa_s, data); |
| 2629 | break; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2630 | case EVENT_TX_STATUS: |
| 2631 | wpa_dbg(wpa_s, MSG_DEBUG, "EVENT_TX_STATUS dst=" MACSTR |
| 2632 | " type=%d stype=%d", |
| 2633 | MAC2STR(data->tx_status.dst), |
| 2634 | data->tx_status.type, data->tx_status.stype); |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 2635 | #ifdef CONFIG_AP |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2636 | if (wpa_s->ap_iface == NULL) { |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 2637 | #ifdef CONFIG_OFFCHANNEL |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2638 | if (data->tx_status.type == WLAN_FC_TYPE_MGMT && |
| 2639 | data->tx_status.stype == WLAN_FC_STYPE_ACTION) |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 2640 | offchannel_send_action_tx_status( |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2641 | wpa_s, data->tx_status.dst, |
| 2642 | data->tx_status.data, |
| 2643 | data->tx_status.data_len, |
| 2644 | data->tx_status.ack ? |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 2645 | OFFCHANNEL_SEND_ACTION_SUCCESS : |
| 2646 | OFFCHANNEL_SEND_ACTION_NO_ACK); |
| 2647 | #endif /* CONFIG_OFFCHANNEL */ |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2648 | break; |
| 2649 | } |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 2650 | #endif /* CONFIG_AP */ |
| 2651 | #ifdef CONFIG_OFFCHANNEL |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2652 | wpa_dbg(wpa_s, MSG_DEBUG, "EVENT_TX_STATUS pending_dst=" |
| 2653 | MACSTR, MAC2STR(wpa_s->parent->pending_action_dst)); |
| 2654 | /* |
| 2655 | * Catch TX status events for Action frames we sent via group |
| 2656 | * interface in GO mode. |
| 2657 | */ |
| 2658 | if (data->tx_status.type == WLAN_FC_TYPE_MGMT && |
| 2659 | data->tx_status.stype == WLAN_FC_STYPE_ACTION && |
| 2660 | os_memcmp(wpa_s->parent->pending_action_dst, |
| 2661 | data->tx_status.dst, ETH_ALEN) == 0) { |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 2662 | offchannel_send_action_tx_status( |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2663 | wpa_s->parent, data->tx_status.dst, |
| 2664 | data->tx_status.data, |
| 2665 | data->tx_status.data_len, |
| 2666 | data->tx_status.ack ? |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 2667 | OFFCHANNEL_SEND_ACTION_SUCCESS : |
| 2668 | OFFCHANNEL_SEND_ACTION_NO_ACK); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2669 | break; |
| 2670 | } |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 2671 | #endif /* CONFIG_OFFCHANNEL */ |
| 2672 | #ifdef CONFIG_AP |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2673 | switch (data->tx_status.type) { |
| 2674 | case WLAN_FC_TYPE_MGMT: |
| 2675 | ap_mgmt_tx_cb(wpa_s, data->tx_status.data, |
| 2676 | data->tx_status.data_len, |
| 2677 | data->tx_status.stype, |
| 2678 | data->tx_status.ack); |
| 2679 | break; |
| 2680 | case WLAN_FC_TYPE_DATA: |
| 2681 | ap_tx_status(wpa_s, data->tx_status.dst, |
| 2682 | data->tx_status.data, |
| 2683 | data->tx_status.data_len, |
| 2684 | data->tx_status.ack); |
| 2685 | break; |
| 2686 | } |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 2687 | #endif /* CONFIG_AP */ |
| 2688 | break; |
| 2689 | #ifdef CONFIG_AP |
| 2690 | case EVENT_EAPOL_TX_STATUS: |
| 2691 | ap_eapol_tx_status(wpa_s, data->eapol_tx_status.dst, |
| 2692 | data->eapol_tx_status.data, |
| 2693 | data->eapol_tx_status.data_len, |
| 2694 | data->eapol_tx_status.ack); |
| 2695 | break; |
| 2696 | case EVENT_DRIVER_CLIENT_POLL_OK: |
| 2697 | ap_client_poll_ok(wpa_s, data->client_poll.addr); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2698 | break; |
| 2699 | case EVENT_RX_FROM_UNKNOWN: |
| 2700 | if (wpa_s->ap_iface == NULL) |
| 2701 | break; |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 2702 | ap_rx_from_unknown_sta(wpa_s, data->rx_from_unknown.addr, |
| 2703 | data->rx_from_unknown.wds); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2704 | break; |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 2705 | case EVENT_CH_SWITCH: |
| 2706 | if (!data) |
| 2707 | break; |
| 2708 | if (!wpa_s->ap_iface) { |
| 2709 | wpa_dbg(wpa_s, MSG_DEBUG, "AP: Ignore channel switch " |
| 2710 | "event in non-AP mode"); |
| 2711 | break; |
| 2712 | } |
| 2713 | |
| 2714 | #ifdef CONFIG_AP |
| 2715 | wpas_ap_ch_switch(wpa_s, data->ch_switch.freq, |
| 2716 | data->ch_switch.ht_enabled, |
| 2717 | data->ch_switch.ch_offset); |
| 2718 | #endif /* CONFIG_AP */ |
| 2719 | break; |
| 2720 | case EVENT_RX_MGMT: { |
| 2721 | u16 fc, stype; |
| 2722 | const struct ieee80211_mgmt *mgmt; |
| 2723 | |
| 2724 | mgmt = (const struct ieee80211_mgmt *) |
| 2725 | data->rx_mgmt.frame; |
| 2726 | fc = le_to_host16(mgmt->frame_control); |
| 2727 | stype = WLAN_FC_GET_STYPE(fc); |
| 2728 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2729 | if (wpa_s->ap_iface == NULL) { |
| 2730 | #ifdef CONFIG_P2P |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2731 | if (stype == WLAN_FC_STYPE_PROBE_REQ && |
| 2732 | data->rx_mgmt.frame_len > 24) { |
| 2733 | const u8 *src = mgmt->sa; |
| 2734 | const u8 *ie = mgmt->u.probe_req.variable; |
| 2735 | size_t ie_len = data->rx_mgmt.frame_len - |
| 2736 | (mgmt->u.probe_req.variable - |
| 2737 | data->rx_mgmt.frame); |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 2738 | wpas_p2p_probe_req_rx( |
| 2739 | wpa_s, src, mgmt->da, |
| 2740 | mgmt->bssid, ie, ie_len, |
| 2741 | data->rx_mgmt.ssi_signal); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2742 | break; |
| 2743 | } |
| 2744 | #endif /* CONFIG_P2P */ |
| 2745 | wpa_dbg(wpa_s, MSG_DEBUG, "AP: ignore received " |
| 2746 | "management frame in non-AP mode"); |
| 2747 | break; |
| 2748 | } |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 2749 | |
| 2750 | if (stype == WLAN_FC_STYPE_PROBE_REQ && |
| 2751 | data->rx_mgmt.frame_len > 24) { |
| 2752 | const u8 *ie = mgmt->u.probe_req.variable; |
| 2753 | size_t ie_len = data->rx_mgmt.frame_len - |
| 2754 | (mgmt->u.probe_req.variable - |
| 2755 | data->rx_mgmt.frame); |
| 2756 | |
| 2757 | wpas_notify_preq(wpa_s, mgmt->sa, mgmt->da, |
| 2758 | mgmt->bssid, ie, ie_len, |
| 2759 | data->rx_mgmt.ssi_signal); |
| 2760 | } |
| 2761 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2762 | ap_mgmt_rx(wpa_s, &data->rx_mgmt); |
| 2763 | break; |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 2764 | } |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2765 | #endif /* CONFIG_AP */ |
| 2766 | case EVENT_RX_ACTION: |
| 2767 | wpa_dbg(wpa_s, MSG_DEBUG, "Received Action frame: SA=" MACSTR |
| 2768 | " Category=%u DataLen=%d freq=%d MHz", |
| 2769 | MAC2STR(data->rx_action.sa), |
| 2770 | data->rx_action.category, (int) data->rx_action.len, |
| 2771 | data->rx_action.freq); |
| 2772 | #ifdef CONFIG_IEEE80211R |
| 2773 | if (data->rx_action.category == WLAN_ACTION_FT) { |
| 2774 | ft_rx_action(wpa_s, data->rx_action.data, |
| 2775 | data->rx_action.len); |
| 2776 | break; |
| 2777 | } |
| 2778 | #endif /* CONFIG_IEEE80211R */ |
| 2779 | #ifdef CONFIG_IEEE80211W |
| 2780 | #ifdef CONFIG_SME |
| 2781 | if (data->rx_action.category == WLAN_ACTION_SA_QUERY) { |
| 2782 | sme_sa_query_rx(wpa_s, data->rx_action.sa, |
| 2783 | data->rx_action.data, |
| 2784 | data->rx_action.len); |
| 2785 | break; |
| 2786 | } |
| 2787 | #endif /* CONFIG_SME */ |
| 2788 | #endif /* CONFIG_IEEE80211W */ |
Dmitry Shmidt | a54fa5f | 2013-01-15 13:53:35 -0800 | [diff] [blame] | 2789 | #ifdef CONFIG_WNM |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 2790 | if (data->rx_action.category == WLAN_ACTION_WNM) { |
| 2791 | ieee802_11_rx_wnm_action(wpa_s, &data->rx_action); |
| 2792 | break; |
| 2793 | } |
Dmitry Shmidt | a54fa5f | 2013-01-15 13:53:35 -0800 | [diff] [blame] | 2794 | #endif /* CONFIG_WNM */ |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 2795 | #ifdef CONFIG_GAS |
| 2796 | if (data->rx_action.category == WLAN_ACTION_PUBLIC && |
| 2797 | gas_query_rx(wpa_s->gas, data->rx_action.da, |
| 2798 | data->rx_action.sa, data->rx_action.bssid, |
| 2799 | data->rx_action.data, data->rx_action.len, |
| 2800 | data->rx_action.freq) == 0) |
| 2801 | break; |
| 2802 | #endif /* CONFIG_GAS */ |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 2803 | #ifdef CONFIG_TDLS |
| 2804 | if (data->rx_action.category == WLAN_ACTION_PUBLIC && |
| 2805 | data->rx_action.len >= 4 && |
| 2806 | data->rx_action.data[0] == WLAN_TDLS_DISCOVERY_RESPONSE) { |
| 2807 | wpa_dbg(wpa_s, MSG_DEBUG, "TDLS: Received Discovery " |
| 2808 | "Response from " MACSTR, |
| 2809 | MAC2STR(data->rx_action.sa)); |
| 2810 | break; |
| 2811 | } |
| 2812 | #endif /* CONFIG_TDLS */ |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2813 | #ifdef CONFIG_P2P |
| 2814 | wpas_p2p_rx_action(wpa_s, data->rx_action.da, |
| 2815 | data->rx_action.sa, |
| 2816 | data->rx_action.bssid, |
| 2817 | data->rx_action.category, |
| 2818 | data->rx_action.data, |
| 2819 | data->rx_action.len, data->rx_action.freq); |
| 2820 | #endif /* CONFIG_P2P */ |
| 2821 | break; |
| 2822 | case EVENT_RX_PROBE_REQ: |
| 2823 | if (data->rx_probe_req.sa == NULL || |
| 2824 | data->rx_probe_req.ie == NULL) |
| 2825 | break; |
| 2826 | #ifdef CONFIG_AP |
| 2827 | if (wpa_s->ap_iface) { |
| 2828 | hostapd_probe_req_rx(wpa_s->ap_iface->bss[0], |
| 2829 | data->rx_probe_req.sa, |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 2830 | data->rx_probe_req.da, |
| 2831 | data->rx_probe_req.bssid, |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2832 | data->rx_probe_req.ie, |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 2833 | data->rx_probe_req.ie_len, |
| 2834 | data->rx_probe_req.ssi_signal); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2835 | break; |
| 2836 | } |
| 2837 | #endif /* CONFIG_AP */ |
| 2838 | #ifdef CONFIG_P2P |
| 2839 | wpas_p2p_probe_req_rx(wpa_s, data->rx_probe_req.sa, |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 2840 | data->rx_probe_req.da, |
| 2841 | data->rx_probe_req.bssid, |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2842 | data->rx_probe_req.ie, |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 2843 | data->rx_probe_req.ie_len, |
| 2844 | data->rx_probe_req.ssi_signal); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2845 | #endif /* CONFIG_P2P */ |
| 2846 | break; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2847 | case EVENT_REMAIN_ON_CHANNEL: |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 2848 | #ifdef CONFIG_OFFCHANNEL |
| 2849 | offchannel_remain_on_channel_cb( |
| 2850 | wpa_s, data->remain_on_channel.freq, |
| 2851 | data->remain_on_channel.duration); |
| 2852 | #endif /* CONFIG_OFFCHANNEL */ |
| 2853 | #ifdef CONFIG_P2P |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2854 | wpas_p2p_remain_on_channel_cb( |
| 2855 | wpa_s, data->remain_on_channel.freq, |
| 2856 | data->remain_on_channel.duration); |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 2857 | #endif /* CONFIG_P2P */ |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2858 | break; |
| 2859 | case EVENT_CANCEL_REMAIN_ON_CHANNEL: |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 2860 | #ifdef CONFIG_OFFCHANNEL |
| 2861 | offchannel_cancel_remain_on_channel_cb( |
| 2862 | wpa_s, data->remain_on_channel.freq); |
| 2863 | #endif /* CONFIG_OFFCHANNEL */ |
| 2864 | #ifdef CONFIG_P2P |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2865 | wpas_p2p_cancel_remain_on_channel_cb( |
| 2866 | wpa_s, data->remain_on_channel.freq); |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 2867 | #endif /* CONFIG_P2P */ |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2868 | break; |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 2869 | #ifdef CONFIG_P2P |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2870 | case EVENT_P2P_DEV_FOUND: { |
| 2871 | struct p2p_peer_info peer_info; |
| 2872 | |
| 2873 | os_memset(&peer_info, 0, sizeof(peer_info)); |
| 2874 | if (data->p2p_dev_found.dev_addr) |
| 2875 | os_memcpy(peer_info.p2p_device_addr, |
| 2876 | data->p2p_dev_found.dev_addr, ETH_ALEN); |
| 2877 | if (data->p2p_dev_found.pri_dev_type) |
| 2878 | os_memcpy(peer_info.pri_dev_type, |
| 2879 | data->p2p_dev_found.pri_dev_type, |
| 2880 | sizeof(peer_info.pri_dev_type)); |
| 2881 | if (data->p2p_dev_found.dev_name) |
| 2882 | os_strlcpy(peer_info.device_name, |
| 2883 | data->p2p_dev_found.dev_name, |
| 2884 | sizeof(peer_info.device_name)); |
| 2885 | peer_info.config_methods = data->p2p_dev_found.config_methods; |
| 2886 | peer_info.dev_capab = data->p2p_dev_found.dev_capab; |
| 2887 | peer_info.group_capab = data->p2p_dev_found.group_capab; |
| 2888 | |
| 2889 | /* |
| 2890 | * FIX: new_device=1 is not necessarily correct. We should |
| 2891 | * maintain a P2P peer database in wpa_supplicant and update |
| 2892 | * this information based on whether the peer is truly new. |
| 2893 | */ |
| 2894 | wpas_dev_found(wpa_s, data->p2p_dev_found.addr, &peer_info, 1); |
| 2895 | break; |
| 2896 | } |
| 2897 | case EVENT_P2P_GO_NEG_REQ_RX: |
| 2898 | wpas_go_neg_req_rx(wpa_s, data->p2p_go_neg_req_rx.src, |
| 2899 | data->p2p_go_neg_req_rx.dev_passwd_id); |
| 2900 | break; |
| 2901 | case EVENT_P2P_GO_NEG_COMPLETED: |
| 2902 | wpas_go_neg_completed(wpa_s, data->p2p_go_neg_completed.res); |
| 2903 | break; |
| 2904 | case EVENT_P2P_PROV_DISC_REQUEST: |
| 2905 | wpas_prov_disc_req(wpa_s, data->p2p_prov_disc_req.peer, |
| 2906 | data->p2p_prov_disc_req.config_methods, |
| 2907 | data->p2p_prov_disc_req.dev_addr, |
| 2908 | data->p2p_prov_disc_req.pri_dev_type, |
| 2909 | data->p2p_prov_disc_req.dev_name, |
| 2910 | data->p2p_prov_disc_req.supp_config_methods, |
| 2911 | data->p2p_prov_disc_req.dev_capab, |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 2912 | data->p2p_prov_disc_req.group_capab, |
| 2913 | NULL, 0); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2914 | break; |
| 2915 | case EVENT_P2P_PROV_DISC_RESPONSE: |
| 2916 | wpas_prov_disc_resp(wpa_s, data->p2p_prov_disc_resp.peer, |
| 2917 | data->p2p_prov_disc_resp.config_methods); |
| 2918 | break; |
| 2919 | case EVENT_P2P_SD_REQUEST: |
| 2920 | wpas_sd_request(wpa_s, data->p2p_sd_req.freq, |
| 2921 | data->p2p_sd_req.sa, |
| 2922 | data->p2p_sd_req.dialog_token, |
| 2923 | data->p2p_sd_req.update_indic, |
| 2924 | data->p2p_sd_req.tlvs, |
| 2925 | data->p2p_sd_req.tlvs_len); |
| 2926 | break; |
| 2927 | case EVENT_P2P_SD_RESPONSE: |
| 2928 | wpas_sd_response(wpa_s, data->p2p_sd_resp.sa, |
| 2929 | data->p2p_sd_resp.update_indic, |
| 2930 | data->p2p_sd_resp.tlvs, |
| 2931 | data->p2p_sd_resp.tlvs_len); |
| 2932 | break; |
| 2933 | #endif /* CONFIG_P2P */ |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2934 | case EVENT_EAPOL_RX: |
| 2935 | wpa_supplicant_rx_eapol(wpa_s, data->eapol_rx.src, |
| 2936 | data->eapol_rx.data, |
| 2937 | data->eapol_rx.data_len); |
| 2938 | break; |
| 2939 | case EVENT_SIGNAL_CHANGE: |
| 2940 | bgscan_notify_signal_change( |
| 2941 | wpa_s, data->signal_change.above_threshold, |
| 2942 | data->signal_change.current_signal, |
| 2943 | data->signal_change.current_noise, |
| 2944 | data->signal_change.current_txrate); |
| 2945 | break; |
| 2946 | case EVENT_INTERFACE_ENABLED: |
| 2947 | wpa_dbg(wpa_s, MSG_DEBUG, "Interface was enabled"); |
| 2948 | if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) { |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 2949 | wpa_supplicant_update_mac_addr(wpa_s); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2950 | #ifdef CONFIG_AP |
| 2951 | if (!wpa_s->ap_iface) { |
| 2952 | wpa_supplicant_set_state(wpa_s, |
| 2953 | WPA_DISCONNECTED); |
| 2954 | wpa_supplicant_req_scan(wpa_s, 0, 0); |
| 2955 | } else |
| 2956 | wpa_supplicant_set_state(wpa_s, |
| 2957 | WPA_COMPLETED); |
| 2958 | #else /* CONFIG_AP */ |
| 2959 | wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED); |
| 2960 | wpa_supplicant_req_scan(wpa_s, 0, 0); |
| 2961 | #endif /* CONFIG_AP */ |
| 2962 | } |
| 2963 | break; |
| 2964 | case EVENT_INTERFACE_DISABLED: |
| 2965 | wpa_dbg(wpa_s, MSG_DEBUG, "Interface was disabled"); |
| 2966 | wpa_supplicant_mark_disassoc(wpa_s); |
| 2967 | wpa_supplicant_set_state(wpa_s, WPA_INTERFACE_DISABLED); |
| 2968 | break; |
| 2969 | case EVENT_CHANNEL_LIST_CHANGED: |
| 2970 | if (wpa_s->drv_priv == NULL) |
| 2971 | break; /* Ignore event during drv initialization */ |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 2972 | |
| 2973 | free_hw_features(wpa_s); |
| 2974 | wpa_s->hw.modes = wpa_drv_get_hw_feature_data( |
| 2975 | wpa_s, &wpa_s->hw.num_modes, &wpa_s->hw.flags); |
| 2976 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2977 | #ifdef CONFIG_P2P |
| 2978 | wpas_p2p_update_channel_list(wpa_s); |
| 2979 | #endif /* CONFIG_P2P */ |
| 2980 | break; |
| 2981 | case EVENT_INTERFACE_UNAVAILABLE: |
| 2982 | #ifdef CONFIG_P2P |
| 2983 | wpas_p2p_interface_unavailable(wpa_s); |
| 2984 | #endif /* CONFIG_P2P */ |
| 2985 | break; |
| 2986 | case EVENT_BEST_CHANNEL: |
| 2987 | wpa_dbg(wpa_s, MSG_DEBUG, "Best channel event received " |
| 2988 | "(%d %d %d)", |
| 2989 | data->best_chan.freq_24, data->best_chan.freq_5, |
| 2990 | data->best_chan.freq_overall); |
| 2991 | wpa_s->best_24_freq = data->best_chan.freq_24; |
| 2992 | wpa_s->best_5_freq = data->best_chan.freq_5; |
| 2993 | wpa_s->best_overall_freq = data->best_chan.freq_overall; |
| 2994 | #ifdef CONFIG_P2P |
| 2995 | wpas_p2p_update_best_channels(wpa_s, data->best_chan.freq_24, |
| 2996 | data->best_chan.freq_5, |
| 2997 | data->best_chan.freq_overall); |
| 2998 | #endif /* CONFIG_P2P */ |
| 2999 | break; |
| 3000 | case EVENT_UNPROT_DEAUTH: |
| 3001 | wpa_supplicant_event_unprot_deauth(wpa_s, |
| 3002 | &data->unprot_deauth); |
| 3003 | break; |
| 3004 | case EVENT_UNPROT_DISASSOC: |
| 3005 | wpa_supplicant_event_unprot_disassoc(wpa_s, |
| 3006 | &data->unprot_disassoc); |
| 3007 | break; |
| 3008 | case EVENT_STATION_LOW_ACK: |
| 3009 | #ifdef CONFIG_AP |
| 3010 | if (wpa_s->ap_iface && data) |
| 3011 | hostapd_event_sta_low_ack(wpa_s->ap_iface->bss[0], |
| 3012 | data->low_ack.addr); |
| 3013 | #endif /* CONFIG_AP */ |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 3014 | #ifdef CONFIG_TDLS |
| 3015 | if (data) |
| 3016 | wpa_tdls_disable_link(wpa_s->wpa, data->low_ack.addr); |
| 3017 | #endif /* CONFIG_TDLS */ |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 3018 | break; |
| 3019 | case EVENT_IBSS_PEER_LOST: |
| 3020 | #ifdef CONFIG_IBSS_RSN |
| 3021 | ibss_rsn_stop(wpa_s->ibss_rsn, data->ibss_peer_lost.peer); |
| 3022 | #endif /* CONFIG_IBSS_RSN */ |
| 3023 | break; |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 3024 | case EVENT_DRIVER_GTK_REKEY: |
| 3025 | if (os_memcmp(data->driver_gtk_rekey.bssid, |
| 3026 | wpa_s->bssid, ETH_ALEN)) |
| 3027 | break; |
| 3028 | if (!wpa_s->wpa) |
| 3029 | break; |
| 3030 | wpa_sm_update_replay_ctr(wpa_s->wpa, |
| 3031 | data->driver_gtk_rekey.replay_ctr); |
| 3032 | break; |
| 3033 | case EVENT_SCHED_SCAN_STOPPED: |
| 3034 | wpa_s->sched_scanning = 0; |
| 3035 | wpa_supplicant_notify_scanning(wpa_s, 0); |
| 3036 | |
| 3037 | if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) |
| 3038 | break; |
| 3039 | |
| 3040 | /* |
| 3041 | * If we timed out, start a new sched scan to continue |
| 3042 | * searching for more SSIDs. |
| 3043 | */ |
| 3044 | if (wpa_s->sched_scan_timed_out) |
| 3045 | wpa_supplicant_req_sched_scan(wpa_s); |
| 3046 | break; |
| 3047 | case EVENT_WPS_BUTTON_PUSHED: |
| 3048 | #ifdef CONFIG_WPS |
| 3049 | wpas_wps_start_pbc(wpa_s, NULL, 0); |
| 3050 | #endif /* CONFIG_WPS */ |
| 3051 | break; |
Dmitry Shmidt | f862328 | 2013-02-20 14:34:59 -0800 | [diff] [blame] | 3052 | case EVENT_CONNECT_FAILED_REASON: |
| 3053 | #ifdef CONFIG_AP |
| 3054 | if (!wpa_s->ap_iface || !data) |
| 3055 | break; |
| 3056 | hostapd_event_connect_failed_reason( |
| 3057 | wpa_s->ap_iface->bss[0], |
| 3058 | data->connect_failed_reason.addr, |
| 3059 | data->connect_failed_reason.code); |
| 3060 | #endif /* CONFIG_AP */ |
| 3061 | break; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 3062 | default: |
| 3063 | wpa_msg(wpa_s, MSG_INFO, "Unknown event %d", event); |
| 3064 | break; |
| 3065 | } |
| 3066 | } |