Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1 | /* |
| 2 | * WPA Supplicant - Driver event processing |
Paul Stewart | 092955c | 2017-02-06 09:13:09 -0800 | [diff] [blame] | 3 | * Copyright (c) 2003-2017, 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 | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 26 | #include "fst/fst.h" |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 27 | #include "wnm_sta.h" |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 28 | #include "notify.h" |
| 29 | #include "common/ieee802_11_defs.h" |
| 30 | #include "common/ieee802_11_common.h" |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 31 | #include "common/gas_server.h" |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 32 | #include "crypto/random.h" |
| 33 | #include "blacklist.h" |
| 34 | #include "wpas_glue.h" |
| 35 | #include "wps_supplicant.h" |
| 36 | #include "ibss_rsn.h" |
| 37 | #include "sme.h" |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 38 | #include "gas_query.h" |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 39 | #include "p2p_supplicant.h" |
| 40 | #include "bgscan.h" |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 41 | #include "autoscan.h" |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 42 | #include "ap.h" |
| 43 | #include "bss.h" |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 44 | #include "scan.h" |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 45 | #include "offchannel.h" |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 46 | #include "interworking.h" |
Dmitry Shmidt | 6c0da2b | 2015-01-05 13:08:17 -0800 | [diff] [blame] | 47 | #include "mesh.h" |
| 48 | #include "mesh_mpm.h" |
| 49 | #include "wmm_ac.h" |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 50 | #include "dpp_supplicant.h" |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 51 | |
| 52 | |
Dmitry Shmidt | 34af306 | 2013-07-11 10:46:32 -0700 | [diff] [blame] | 53 | #ifndef CONFIG_NO_SCAN_PROCESSING |
Dmitry Shmidt | 8da800a | 2013-04-24 12:57:01 -0700 | [diff] [blame] | 54 | static int wpas_select_network_from_last_scan(struct wpa_supplicant *wpa_s, |
Dmitry Shmidt | e0e48dc | 2013-11-18 12:00:06 -0800 | [diff] [blame] | 55 | int new_scan, int own_request); |
Dmitry Shmidt | 34af306 | 2013-07-11 10:46:32 -0700 | [diff] [blame] | 56 | #endif /* CONFIG_NO_SCAN_PROCESSING */ |
Dmitry Shmidt | 4b9d52f | 2013-02-05 17:44:43 -0800 | [diff] [blame] | 57 | |
| 58 | |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 59 | int wpas_temp_disabled(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid) |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 60 | { |
Dmitry Shmidt | fb79edc | 2014-01-10 10:45:54 -0800 | [diff] [blame] | 61 | struct os_reltime now; |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 62 | |
| 63 | if (ssid == NULL || ssid->disabled_until.sec == 0) |
| 64 | return 0; |
| 65 | |
Dmitry Shmidt | fb79edc | 2014-01-10 10:45:54 -0800 | [diff] [blame] | 66 | os_get_reltime(&now); |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 67 | if (ssid->disabled_until.sec > now.sec) |
| 68 | return ssid->disabled_until.sec - now.sec; |
| 69 | |
| 70 | wpas_clear_temp_disabled(wpa_s, ssid, 0); |
| 71 | |
| 72 | return 0; |
| 73 | } |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 74 | |
| 75 | |
Dmitry Shmidt | d7ff03d | 2015-12-04 14:49:35 -0800 | [diff] [blame] | 76 | #ifndef CONFIG_NO_SCAN_PROCESSING |
Dmitry Shmidt | dda10c2 | 2015-03-24 16:05:01 -0700 | [diff] [blame] | 77 | /** |
| 78 | * wpas_reenabled_network_time - Time until first network is re-enabled |
| 79 | * @wpa_s: Pointer to wpa_supplicant data |
| 80 | * Returns: If all enabled networks are temporarily disabled, returns the time |
| 81 | * (in sec) until the first network is re-enabled. Otherwise returns 0. |
| 82 | * |
| 83 | * This function is used in case all enabled networks are temporarily disabled, |
| 84 | * in which case it returns the time (in sec) that the first network will be |
| 85 | * re-enabled. The function assumes that at least one network is enabled. |
| 86 | */ |
| 87 | static int wpas_reenabled_network_time(struct wpa_supplicant *wpa_s) |
| 88 | { |
| 89 | struct wpa_ssid *ssid; |
| 90 | int disabled_for, res = 0; |
| 91 | |
| 92 | #ifdef CONFIG_INTERWORKING |
| 93 | if (wpa_s->conf->auto_interworking && wpa_s->conf->interworking && |
| 94 | wpa_s->conf->cred) |
| 95 | return 0; |
| 96 | #endif /* CONFIG_INTERWORKING */ |
| 97 | |
| 98 | for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) { |
| 99 | if (ssid->disabled) |
| 100 | continue; |
| 101 | |
| 102 | disabled_for = wpas_temp_disabled(wpa_s, ssid); |
| 103 | if (!disabled_for) |
| 104 | return 0; |
| 105 | |
| 106 | if (!res || disabled_for < res) |
| 107 | res = disabled_for; |
| 108 | } |
| 109 | |
| 110 | return res; |
| 111 | } |
Dmitry Shmidt | d7ff03d | 2015-12-04 14:49:35 -0800 | [diff] [blame] | 112 | #endif /* CONFIG_NO_SCAN_PROCESSING */ |
Dmitry Shmidt | dda10c2 | 2015-03-24 16:05:01 -0700 | [diff] [blame] | 113 | |
| 114 | |
| 115 | void wpas_network_reenabled(void *eloop_ctx, void *timeout_ctx) |
| 116 | { |
| 117 | struct wpa_supplicant *wpa_s = eloop_ctx; |
| 118 | |
| 119 | if (wpa_s->disconnected || wpa_s->wpa_state != WPA_SCANNING) |
| 120 | return; |
| 121 | |
| 122 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 123 | "Try to associate due to network getting re-enabled"); |
| 124 | if (wpa_supplicant_fast_associate(wpa_s) != 1) { |
| 125 | wpa_supplicant_cancel_sched_scan(wpa_s); |
| 126 | wpa_supplicant_req_scan(wpa_s, 0, 0); |
| 127 | } |
| 128 | } |
| 129 | |
| 130 | |
Dmitry Shmidt | cf32e60 | 2014-01-28 10:57:39 -0800 | [diff] [blame] | 131 | static struct wpa_bss * wpa_supplicant_get_new_bss( |
| 132 | struct wpa_supplicant *wpa_s, const u8 *bssid) |
| 133 | { |
| 134 | struct wpa_bss *bss = NULL; |
| 135 | struct wpa_ssid *ssid = wpa_s->current_ssid; |
| 136 | |
| 137 | if (ssid->ssid_len > 0) |
| 138 | bss = wpa_bss_get(wpa_s, bssid, ssid->ssid, ssid->ssid_len); |
| 139 | if (!bss) |
| 140 | bss = wpa_bss_get_bssid(wpa_s, bssid); |
| 141 | |
| 142 | return bss; |
| 143 | } |
| 144 | |
| 145 | |
Jouni Malinen | 5c879ee | 2014-08-18 11:04:56 -0700 | [diff] [blame] | 146 | static void wpa_supplicant_update_current_bss(struct wpa_supplicant *wpa_s) |
| 147 | { |
| 148 | struct wpa_bss *bss = wpa_supplicant_get_new_bss(wpa_s, wpa_s->bssid); |
| 149 | |
| 150 | if (!bss) { |
| 151 | wpa_supplicant_update_scan_results(wpa_s); |
| 152 | |
| 153 | /* Get the BSS from the new scan results */ |
| 154 | bss = wpa_supplicant_get_new_bss(wpa_s, wpa_s->bssid); |
| 155 | } |
| 156 | |
| 157 | if (bss) |
| 158 | wpa_s->current_bss = bss; |
| 159 | } |
| 160 | |
| 161 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 162 | static int wpa_supplicant_select_config(struct wpa_supplicant *wpa_s) |
| 163 | { |
| 164 | struct wpa_ssid *ssid, *old_ssid; |
Dmitry Shmidt | 9d9e602 | 2015-04-23 10:34:55 -0700 | [diff] [blame] | 165 | u8 drv_ssid[SSID_MAX_LEN]; |
Dmitry Shmidt | dda10c2 | 2015-03-24 16:05:01 -0700 | [diff] [blame] | 166 | size_t drv_ssid_len; |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 167 | int res; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 168 | |
Jouni Malinen | 5c879ee | 2014-08-18 11:04:56 -0700 | [diff] [blame] | 169 | if (wpa_s->conf->ap_scan == 1 && wpa_s->current_ssid) { |
| 170 | wpa_supplicant_update_current_bss(wpa_s); |
Dmitry Shmidt | dda10c2 | 2015-03-24 16:05:01 -0700 | [diff] [blame] | 171 | |
| 172 | if (wpa_s->current_ssid->ssid_len == 0) |
| 173 | return 0; /* current profile still in use */ |
| 174 | res = wpa_drv_get_ssid(wpa_s, drv_ssid); |
| 175 | if (res < 0) { |
| 176 | wpa_msg(wpa_s, MSG_INFO, |
| 177 | "Failed to read SSID from driver"); |
| 178 | return 0; /* try to use current profile */ |
| 179 | } |
| 180 | drv_ssid_len = res; |
| 181 | |
| 182 | if (drv_ssid_len == wpa_s->current_ssid->ssid_len && |
| 183 | os_memcmp(drv_ssid, wpa_s->current_ssid->ssid, |
| 184 | drv_ssid_len) == 0) |
| 185 | return 0; /* current profile still in use */ |
| 186 | |
| 187 | wpa_msg(wpa_s, MSG_DEBUG, |
| 188 | "Driver-initiated BSS selection changed the SSID to %s", |
| 189 | wpa_ssid_txt(drv_ssid, drv_ssid_len)); |
| 190 | /* continue selecting a new network profile */ |
Jouni Malinen | 5c879ee | 2014-08-18 11:04:56 -0700 | [diff] [blame] | 191 | } |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 192 | |
| 193 | wpa_dbg(wpa_s, MSG_DEBUG, "Select network based on association " |
| 194 | "information"); |
| 195 | ssid = wpa_supplicant_get_ssid(wpa_s); |
| 196 | if (ssid == NULL) { |
| 197 | wpa_msg(wpa_s, MSG_INFO, |
| 198 | "No network configuration found for the current AP"); |
| 199 | return -1; |
| 200 | } |
| 201 | |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 202 | if (wpas_network_disabled(wpa_s, ssid)) { |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 203 | wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is disabled"); |
| 204 | return -1; |
| 205 | } |
| 206 | |
Dmitry Shmidt | d5e4923 | 2012-12-03 15:08:10 -0800 | [diff] [blame] | 207 | if (disallowed_bssid(wpa_s, wpa_s->bssid) || |
| 208 | disallowed_ssid(wpa_s, ssid->ssid, ssid->ssid_len)) { |
| 209 | wpa_dbg(wpa_s, MSG_DEBUG, "Selected BSS is disallowed"); |
| 210 | return -1; |
| 211 | } |
| 212 | |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 213 | res = wpas_temp_disabled(wpa_s, ssid); |
| 214 | if (res > 0) { |
| 215 | wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is temporarily " |
| 216 | "disabled for %d second(s)", res); |
| 217 | return -1; |
| 218 | } |
| 219 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 220 | wpa_dbg(wpa_s, MSG_DEBUG, "Network configuration found for the " |
| 221 | "current AP"); |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 222 | if (wpa_key_mgmt_wpa_any(ssid->key_mgmt)) { |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 223 | u8 wpa_ie[80]; |
| 224 | size_t wpa_ie_len = sizeof(wpa_ie); |
Dmitry Shmidt | a54fa5f | 2013-01-15 13:53:35 -0800 | [diff] [blame] | 225 | if (wpa_supplicant_set_suites(wpa_s, NULL, ssid, |
| 226 | wpa_ie, &wpa_ie_len) < 0) |
| 227 | wpa_dbg(wpa_s, MSG_DEBUG, "Could not set WPA suites"); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 228 | } else { |
| 229 | wpa_supplicant_set_non_wpa_policy(wpa_s, ssid); |
| 230 | } |
| 231 | |
| 232 | if (wpa_s->current_ssid && wpa_s->current_ssid != ssid) |
| 233 | eapol_sm_invalidate_cached_session(wpa_s->eapol); |
| 234 | old_ssid = wpa_s->current_ssid; |
| 235 | wpa_s->current_ssid = ssid; |
Dmitry Shmidt | cf32e60 | 2014-01-28 10:57:39 -0800 | [diff] [blame] | 236 | |
Jouni Malinen | 5c879ee | 2014-08-18 11:04:56 -0700 | [diff] [blame] | 237 | wpa_supplicant_update_current_bss(wpa_s); |
Dmitry Shmidt | cf32e60 | 2014-01-28 10:57:39 -0800 | [diff] [blame] | 238 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 239 | wpa_supplicant_rsn_supp_set_config(wpa_s, wpa_s->current_ssid); |
| 240 | wpa_supplicant_initiate_eapol(wpa_s); |
| 241 | if (old_ssid != wpa_s->current_ssid) |
| 242 | wpas_notify_network_changed(wpa_s); |
| 243 | |
| 244 | return 0; |
| 245 | } |
| 246 | |
| 247 | |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 248 | void wpa_supplicant_stop_countermeasures(void *eloop_ctx, void *sock_ctx) |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 249 | { |
| 250 | struct wpa_supplicant *wpa_s = eloop_ctx; |
| 251 | |
| 252 | if (wpa_s->countermeasures) { |
| 253 | wpa_s->countermeasures = 0; |
| 254 | wpa_drv_set_countermeasures(wpa_s, 0); |
| 255 | wpa_msg(wpa_s, MSG_INFO, "WPA: TKIP countermeasures stopped"); |
Dmitry Shmidt | 7f65602 | 2015-02-25 14:36:37 -0800 | [diff] [blame] | 256 | |
| 257 | /* |
| 258 | * It is possible that the device is sched scanning, which means |
| 259 | * that a connection attempt will be done only when we receive |
| 260 | * scan results. However, in this case, it would be preferable |
| 261 | * to scan and connect immediately, so cancel the sched_scan and |
| 262 | * issue a regular scan flow. |
| 263 | */ |
| 264 | wpa_supplicant_cancel_sched_scan(wpa_s); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 265 | wpa_supplicant_req_scan(wpa_s, 0, 0); |
| 266 | } |
| 267 | } |
| 268 | |
| 269 | |
| 270 | void wpa_supplicant_mark_disassoc(struct wpa_supplicant *wpa_s) |
| 271 | { |
| 272 | int bssid_changed; |
| 273 | |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 274 | wnm_bss_keep_alive_deinit(wpa_s); |
| 275 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 276 | #ifdef CONFIG_IBSS_RSN |
| 277 | ibss_rsn_deinit(wpa_s->ibss_rsn); |
| 278 | wpa_s->ibss_rsn = NULL; |
| 279 | #endif /* CONFIG_IBSS_RSN */ |
| 280 | |
Dmitry Shmidt | c55524a | 2011-07-07 11:18:38 -0700 | [diff] [blame] | 281 | #ifdef CONFIG_AP |
| 282 | wpa_supplicant_ap_deinit(wpa_s); |
| 283 | #endif /* CONFIG_AP */ |
| 284 | |
Dmitry Shmidt | 849734c | 2016-05-27 09:59:01 -0700 | [diff] [blame] | 285 | #ifdef CONFIG_HS20 |
| 286 | /* Clear possibly configured frame filters */ |
| 287 | wpa_drv_configure_frame_filters(wpa_s, 0); |
| 288 | #endif /* CONFIG_HS20 */ |
| 289 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 290 | if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) |
| 291 | return; |
| 292 | |
| 293 | wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED); |
| 294 | bssid_changed = !is_zero_ether_addr(wpa_s->bssid); |
| 295 | os_memset(wpa_s->bssid, 0, ETH_ALEN); |
| 296 | os_memset(wpa_s->pending_bssid, 0, ETH_ALEN); |
Dmitry Shmidt | 6c0da2b | 2015-01-05 13:08:17 -0800 | [diff] [blame] | 297 | sme_clear_on_disassoc(wpa_s); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 298 | wpa_s->current_bss = NULL; |
| 299 | wpa_s->assoc_freq = 0; |
Dmitry Shmidt | c55524a | 2011-07-07 11:18:38 -0700 | [diff] [blame] | 300 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 301 | if (bssid_changed) |
| 302 | wpas_notify_bssid_changed(wpa_s); |
| 303 | |
| 304 | eapol_sm_notify_portEnabled(wpa_s->eapol, FALSE); |
| 305 | eapol_sm_notify_portValid(wpa_s->eapol, FALSE); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 306 | if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) || |
| 307 | wpa_s->key_mgmt == WPA_KEY_MGMT_OWE || |
| 308 | wpa_s->key_mgmt == WPA_KEY_MGMT_DPP) |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 309 | eapol_sm_notify_eap_success(wpa_s->eapol, FALSE); |
| 310 | wpa_s->ap_ies_from_associnfo = 0; |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 311 | wpa_s->current_ssid = NULL; |
Dmitry Shmidt | b7b4d0e | 2013-08-26 12:09:05 -0700 | [diff] [blame] | 312 | eapol_sm_notify_config(wpa_s->eapol, NULL, NULL); |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 313 | wpa_s->key_mgmt = 0; |
Dmitry Shmidt | 6c0da2b | 2015-01-05 13:08:17 -0800 | [diff] [blame] | 314 | |
| 315 | wpas_rrm_reset(wpa_s); |
Dmitry Shmidt | b70d0bb | 2015-11-16 10:43:06 -0800 | [diff] [blame] | 316 | wpa_s->wnmsleep_used = 0; |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 317 | |
| 318 | #ifdef CONFIG_TESTING_OPTIONS |
| 319 | wpa_s->last_tk_alg = WPA_ALG_NONE; |
| 320 | os_memset(wpa_s->last_tk, 0, sizeof(wpa_s->last_tk)); |
| 321 | #endif /* CONFIG_TESTING_OPTIONS */ |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 322 | wpa_s->ieee80211ac = 0; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 323 | } |
| 324 | |
| 325 | |
| 326 | static void wpa_find_assoc_pmkid(struct wpa_supplicant *wpa_s) |
| 327 | { |
| 328 | struct wpa_ie_data ie; |
| 329 | int pmksa_set = -1; |
| 330 | size_t i; |
| 331 | |
| 332 | if (wpa_sm_parse_own_wpa_ie(wpa_s->wpa, &ie) < 0 || |
| 333 | ie.pmkid == NULL) |
| 334 | return; |
| 335 | |
| 336 | for (i = 0; i < ie.num_pmkid; i++) { |
| 337 | pmksa_set = pmksa_cache_set_current(wpa_s->wpa, |
| 338 | ie.pmkid + i * PMKID_LEN, |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 339 | NULL, NULL, 0, NULL, 0); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 340 | if (pmksa_set == 0) { |
Dmitry Shmidt | 216983b | 2015-02-06 10:50:36 -0800 | [diff] [blame] | 341 | eapol_sm_notify_pmkid_attempt(wpa_s->eapol); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 342 | break; |
| 343 | } |
| 344 | } |
| 345 | |
| 346 | wpa_dbg(wpa_s, MSG_DEBUG, "RSN: PMKID from assoc IE %sfound from " |
| 347 | "PMKSA cache", pmksa_set == 0 ? "" : "not "); |
| 348 | } |
| 349 | |
| 350 | |
| 351 | static void wpa_supplicant_event_pmkid_candidate(struct wpa_supplicant *wpa_s, |
| 352 | union wpa_event_data *data) |
| 353 | { |
| 354 | if (data == NULL) { |
| 355 | wpa_dbg(wpa_s, MSG_DEBUG, "RSN: No data in PMKID candidate " |
| 356 | "event"); |
| 357 | return; |
| 358 | } |
| 359 | wpa_dbg(wpa_s, MSG_DEBUG, "RSN: PMKID candidate event - bssid=" MACSTR |
| 360 | " index=%d preauth=%d", |
| 361 | MAC2STR(data->pmkid_candidate.bssid), |
| 362 | data->pmkid_candidate.index, |
| 363 | data->pmkid_candidate.preauth); |
| 364 | |
| 365 | pmksa_candidate_add(wpa_s->wpa, data->pmkid_candidate.bssid, |
| 366 | data->pmkid_candidate.index, |
| 367 | data->pmkid_candidate.preauth); |
| 368 | } |
| 369 | |
| 370 | |
| 371 | static int wpa_supplicant_dynamic_keys(struct wpa_supplicant *wpa_s) |
| 372 | { |
| 373 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE || |
| 374 | wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) |
| 375 | return 0; |
| 376 | |
| 377 | #ifdef IEEE8021X_EAPOL |
| 378 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA && |
| 379 | wpa_s->current_ssid && |
| 380 | !(wpa_s->current_ssid->eapol_flags & |
| 381 | (EAPOL_FLAG_REQUIRE_KEY_UNICAST | |
| 382 | EAPOL_FLAG_REQUIRE_KEY_BROADCAST))) { |
| 383 | /* IEEE 802.1X, but not using dynamic WEP keys (i.e., either |
| 384 | * plaintext or static WEP keys). */ |
| 385 | return 0; |
| 386 | } |
| 387 | #endif /* IEEE8021X_EAPOL */ |
| 388 | |
| 389 | return 1; |
| 390 | } |
| 391 | |
| 392 | |
| 393 | /** |
| 394 | * wpa_supplicant_scard_init - Initialize SIM/USIM access with PC/SC |
| 395 | * @wpa_s: pointer to wpa_supplicant data |
| 396 | * @ssid: Configuration data for the network |
| 397 | * Returns: 0 on success, -1 on failure |
| 398 | * |
| 399 | * This function is called when starting authentication with a network that is |
| 400 | * configured to use PC/SC for SIM/USIM access (EAP-SIM or EAP-AKA). |
| 401 | */ |
| 402 | int wpa_supplicant_scard_init(struct wpa_supplicant *wpa_s, |
| 403 | struct wpa_ssid *ssid) |
| 404 | { |
| 405 | #ifdef IEEE8021X_EAPOL |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 406 | #ifdef PCSC_FUNCS |
Dmitry Shmidt | 391c59f | 2013-09-03 12:16:28 -0700 | [diff] [blame] | 407 | int aka = 0, sim = 0; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 408 | |
Dmitry Shmidt | df5a7e4 | 2014-04-02 12:59:59 -0700 | [diff] [blame] | 409 | if ((ssid != NULL && ssid->eap.pcsc == NULL) || |
| 410 | wpa_s->scard != NULL || wpa_s->conf->external_sim) |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 411 | return 0; |
| 412 | |
Dmitry Shmidt | df5a7e4 | 2014-04-02 12:59:59 -0700 | [diff] [blame] | 413 | if (ssid == NULL || ssid->eap.eap_methods == NULL) { |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 414 | sim = 1; |
| 415 | aka = 1; |
| 416 | } else { |
| 417 | struct eap_method_type *eap = ssid->eap.eap_methods; |
| 418 | while (eap->vendor != EAP_VENDOR_IETF || |
| 419 | eap->method != EAP_TYPE_NONE) { |
| 420 | if (eap->vendor == EAP_VENDOR_IETF) { |
| 421 | if (eap->method == EAP_TYPE_SIM) |
| 422 | sim = 1; |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 423 | else if (eap->method == EAP_TYPE_AKA || |
| 424 | eap->method == EAP_TYPE_AKA_PRIME) |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 425 | aka = 1; |
| 426 | } |
| 427 | eap++; |
| 428 | } |
| 429 | } |
| 430 | |
| 431 | if (eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_SIM) == NULL) |
| 432 | sim = 0; |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 433 | if (eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_AKA) == NULL && |
| 434 | eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_AKA_PRIME) == |
| 435 | NULL) |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 436 | aka = 0; |
| 437 | |
| 438 | if (!sim && !aka) { |
| 439 | wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is configured to " |
| 440 | "use SIM, but neither EAP-SIM nor EAP-AKA are " |
| 441 | "enabled"); |
| 442 | return 0; |
| 443 | } |
| 444 | |
| 445 | wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is configured to use SIM " |
| 446 | "(sim=%d aka=%d) - initialize PCSC", sim, aka); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 447 | |
Dmitry Shmidt | 2271d3f | 2014-06-23 12:16:31 -0700 | [diff] [blame] | 448 | wpa_s->scard = scard_init(wpa_s->conf->pcsc_reader); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 449 | if (wpa_s->scard == NULL) { |
| 450 | wpa_msg(wpa_s, MSG_WARNING, "Failed to initialize SIM " |
| 451 | "(pcsc-lite)"); |
| 452 | return -1; |
| 453 | } |
| 454 | wpa_sm_set_scard_ctx(wpa_s->wpa, wpa_s->scard); |
| 455 | eapol_sm_register_scard_ctx(wpa_s->eapol, wpa_s->scard); |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 456 | #endif /* PCSC_FUNCS */ |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 457 | #endif /* IEEE8021X_EAPOL */ |
| 458 | |
| 459 | return 0; |
| 460 | } |
| 461 | |
| 462 | |
| 463 | #ifndef CONFIG_NO_SCAN_PROCESSING |
Dmitry Shmidt | b7b4d0e | 2013-08-26 12:09:05 -0700 | [diff] [blame] | 464 | |
| 465 | static int has_wep_key(struct wpa_ssid *ssid) |
| 466 | { |
| 467 | int i; |
| 468 | |
| 469 | for (i = 0; i < NUM_WEP_KEYS; i++) { |
| 470 | if (ssid->wep_key_len[i]) |
| 471 | return 1; |
| 472 | } |
| 473 | |
| 474 | return 0; |
| 475 | } |
| 476 | |
| 477 | |
Dmitry Shmidt | 9bce59c | 2012-09-11 15:06:38 -0700 | [diff] [blame] | 478 | static int wpa_supplicant_match_privacy(struct wpa_bss *bss, |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 479 | struct wpa_ssid *ssid) |
| 480 | { |
Dmitry Shmidt | b7b4d0e | 2013-08-26 12:09:05 -0700 | [diff] [blame] | 481 | int privacy = 0; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 482 | |
| 483 | if (ssid->mixed_cell) |
| 484 | return 1; |
| 485 | |
| 486 | #ifdef CONFIG_WPS |
| 487 | if (ssid->key_mgmt & WPA_KEY_MGMT_WPS) |
| 488 | return 1; |
| 489 | #endif /* CONFIG_WPS */ |
| 490 | |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 491 | #ifdef CONFIG_OWE |
| 492 | if ((ssid->key_mgmt & WPA_KEY_MGMT_OWE) && !ssid->owe_only) |
| 493 | return 1; |
| 494 | #endif /* CONFIG_OWE */ |
| 495 | |
Dmitry Shmidt | b7b4d0e | 2013-08-26 12:09:05 -0700 | [diff] [blame] | 496 | if (has_wep_key(ssid)) |
| 497 | privacy = 1; |
| 498 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 499 | #ifdef IEEE8021X_EAPOL |
| 500 | if ((ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) && |
| 501 | ssid->eapol_flags & (EAPOL_FLAG_REQUIRE_KEY_UNICAST | |
| 502 | EAPOL_FLAG_REQUIRE_KEY_BROADCAST)) |
| 503 | privacy = 1; |
| 504 | #endif /* IEEE8021X_EAPOL */ |
| 505 | |
Jouni Malinen | 75ecf52 | 2011-06-27 15:19:46 -0700 | [diff] [blame] | 506 | if (wpa_key_mgmt_wpa(ssid->key_mgmt)) |
| 507 | privacy = 1; |
| 508 | |
Dmitry Shmidt | f21452a | 2014-02-26 10:55:25 -0800 | [diff] [blame] | 509 | if (ssid->key_mgmt & WPA_KEY_MGMT_OSEN) |
| 510 | privacy = 1; |
| 511 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 512 | if (bss->caps & IEEE80211_CAP_PRIVACY) |
| 513 | return privacy; |
| 514 | return !privacy; |
| 515 | } |
| 516 | |
| 517 | |
| 518 | static int wpa_supplicant_ssid_bss_match(struct wpa_supplicant *wpa_s, |
| 519 | struct wpa_ssid *ssid, |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 520 | struct wpa_bss *bss, int debug_print) |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 521 | { |
| 522 | struct wpa_ie_data ie; |
| 523 | int proto_match = 0; |
| 524 | const u8 *rsn_ie, *wpa_ie; |
| 525 | int ret; |
| 526 | int wep_ok; |
| 527 | |
| 528 | ret = wpas_wps_ssid_bss_match(wpa_s, ssid, bss); |
| 529 | if (ret >= 0) |
| 530 | return ret; |
| 531 | |
| 532 | /* Allow TSN if local configuration accepts WEP use without WPA/WPA2 */ |
| 533 | wep_ok = !wpa_key_mgmt_wpa(ssid->key_mgmt) && |
| 534 | (((ssid->key_mgmt & WPA_KEY_MGMT_NONE) && |
| 535 | ssid->wep_key_len[ssid->wep_tx_keyidx] > 0) || |
| 536 | (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA)); |
| 537 | |
Dmitry Shmidt | 9bce59c | 2012-09-11 15:06:38 -0700 | [diff] [blame] | 538 | rsn_ie = wpa_bss_get_ie(bss, WLAN_EID_RSN); |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 539 | while ((ssid->proto & (WPA_PROTO_RSN | WPA_PROTO_OSEN)) && rsn_ie) { |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 540 | proto_match++; |
| 541 | |
| 542 | if (wpa_parse_wpa_ie(rsn_ie, 2 + rsn_ie[1], &ie)) { |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 543 | if (debug_print) |
| 544 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 545 | " skip RSN IE - parse failed"); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 546 | break; |
| 547 | } |
| 548 | |
| 549 | if (wep_ok && |
| 550 | (ie.group_cipher & (WPA_CIPHER_WEP40 | WPA_CIPHER_WEP104))) |
| 551 | { |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 552 | if (debug_print) |
| 553 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 554 | " selected based on TSN in RSN IE"); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 555 | return 1; |
| 556 | } |
| 557 | |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 558 | if (!(ie.proto & ssid->proto) && |
| 559 | !(ssid->proto & WPA_PROTO_OSEN)) { |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 560 | if (debug_print) |
| 561 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 562 | " skip RSN IE - proto mismatch"); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 563 | break; |
| 564 | } |
| 565 | |
| 566 | if (!(ie.pairwise_cipher & ssid->pairwise_cipher)) { |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 567 | if (debug_print) |
| 568 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 569 | " skip RSN IE - PTK cipher mismatch"); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 570 | break; |
| 571 | } |
| 572 | |
| 573 | if (!(ie.group_cipher & ssid->group_cipher)) { |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 574 | if (debug_print) |
| 575 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 576 | " skip RSN IE - GTK cipher mismatch"); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 577 | break; |
| 578 | } |
| 579 | |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 580 | if (ssid->group_mgmt_cipher && |
| 581 | !(ie.mgmt_group_cipher & ssid->group_mgmt_cipher)) { |
| 582 | if (debug_print) |
| 583 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 584 | " skip RSN IE - group mgmt cipher mismatch"); |
| 585 | break; |
| 586 | } |
| 587 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 588 | if (!(ie.key_mgmt & ssid->key_mgmt)) { |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 589 | if (debug_print) |
| 590 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 591 | " skip RSN IE - key mgmt mismatch"); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 592 | break; |
| 593 | } |
| 594 | |
| 595 | #ifdef CONFIG_IEEE80211W |
| 596 | if (!(ie.capabilities & WPA_CAPABILITY_MFPC) && |
Dmitry Shmidt | 807291d | 2015-01-27 13:40:23 -0800 | [diff] [blame] | 597 | wpas_get_ssid_pmf(wpa_s, ssid) == |
Dmitry Shmidt | d5e4923 | 2012-12-03 15:08:10 -0800 | [diff] [blame] | 598 | MGMT_FRAME_PROTECTION_REQUIRED) { |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 599 | if (debug_print) |
| 600 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 601 | " skip RSN IE - no mgmt frame protection"); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 602 | break; |
| 603 | } |
| 604 | #endif /* CONFIG_IEEE80211W */ |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 605 | if ((ie.capabilities & WPA_CAPABILITY_MFPR) && |
| 606 | wpas_get_ssid_pmf(wpa_s, ssid) == |
| 607 | NO_MGMT_FRAME_PROTECTION) { |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 608 | if (debug_print) |
| 609 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 610 | " skip RSN IE - no mgmt frame protection enabled but AP requires it"); |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 611 | break; |
| 612 | } |
Dmitry Shmidt | 57c2d39 | 2016-02-23 13:40:19 -0800 | [diff] [blame] | 613 | #ifdef CONFIG_MBO |
| 614 | if (!(ie.capabilities & WPA_CAPABILITY_MFPC) && |
| 615 | wpas_mbo_get_bss_attr(bss, MBO_ATTR_ID_AP_CAPA_IND) && |
| 616 | wpas_get_ssid_pmf(wpa_s, ssid) != |
| 617 | NO_MGMT_FRAME_PROTECTION) { |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 618 | if (debug_print) |
| 619 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 620 | " skip RSN IE - no mgmt frame protection enabled on MBO AP"); |
Dmitry Shmidt | 57c2d39 | 2016-02-23 13:40:19 -0800 | [diff] [blame] | 621 | break; |
| 622 | } |
| 623 | #endif /* CONFIG_MBO */ |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 624 | |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 625 | if (debug_print) |
| 626 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 627 | " selected based on RSN IE"); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 628 | return 1; |
| 629 | } |
| 630 | |
Dmitry Shmidt | 849734c | 2016-05-27 09:59:01 -0700 | [diff] [blame] | 631 | #ifdef CONFIG_IEEE80211W |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 632 | if (wpas_get_ssid_pmf(wpa_s, ssid) == MGMT_FRAME_PROTECTION_REQUIRED && |
| 633 | (!(ssid->key_mgmt & WPA_KEY_MGMT_OWE) || ssid->owe_only)) { |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 634 | if (debug_print) |
| 635 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 636 | " skip - MFP Required but network not MFP Capable"); |
Dmitry Shmidt | 849734c | 2016-05-27 09:59:01 -0700 | [diff] [blame] | 637 | return 0; |
| 638 | } |
| 639 | #endif /* CONFIG_IEEE80211W */ |
| 640 | |
Dmitry Shmidt | 9bce59c | 2012-09-11 15:06:38 -0700 | [diff] [blame] | 641 | wpa_ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 642 | while ((ssid->proto & WPA_PROTO_WPA) && wpa_ie) { |
| 643 | proto_match++; |
| 644 | |
| 645 | if (wpa_parse_wpa_ie(wpa_ie, 2 + wpa_ie[1], &ie)) { |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 646 | if (debug_print) |
| 647 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 648 | " skip WPA IE - parse failed"); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 649 | break; |
| 650 | } |
| 651 | |
| 652 | if (wep_ok && |
| 653 | (ie.group_cipher & (WPA_CIPHER_WEP40 | WPA_CIPHER_WEP104))) |
| 654 | { |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 655 | if (debug_print) |
| 656 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 657 | " selected based on TSN in WPA IE"); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 658 | return 1; |
| 659 | } |
| 660 | |
| 661 | if (!(ie.proto & ssid->proto)) { |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 662 | if (debug_print) |
| 663 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 664 | " skip WPA IE - proto mismatch"); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 665 | break; |
| 666 | } |
| 667 | |
| 668 | if (!(ie.pairwise_cipher & ssid->pairwise_cipher)) { |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 669 | if (debug_print) |
| 670 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 671 | " skip WPA IE - PTK cipher mismatch"); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 672 | break; |
| 673 | } |
| 674 | |
| 675 | if (!(ie.group_cipher & ssid->group_cipher)) { |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 676 | if (debug_print) |
| 677 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 678 | " skip WPA IE - GTK cipher mismatch"); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 679 | break; |
| 680 | } |
| 681 | |
| 682 | if (!(ie.key_mgmt & ssid->key_mgmt)) { |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 683 | if (debug_print) |
| 684 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 685 | " skip WPA IE - key mgmt mismatch"); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 686 | break; |
| 687 | } |
| 688 | |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 689 | if (debug_print) |
| 690 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 691 | " selected based on WPA IE"); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 692 | return 1; |
| 693 | } |
| 694 | |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 695 | if ((ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) && !wpa_ie && |
| 696 | !rsn_ie) { |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 697 | if (debug_print) |
| 698 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 699 | " allow for non-WPA IEEE 802.1X"); |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 700 | return 1; |
| 701 | } |
| 702 | |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 703 | #ifdef CONFIG_OWE |
| 704 | if ((ssid->key_mgmt & WPA_KEY_MGMT_OWE) && !ssid->owe_only && |
| 705 | !wpa_ie && !rsn_ie) { |
| 706 | if (debug_print) |
| 707 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 708 | " allow in OWE transition mode"); |
| 709 | return 1; |
| 710 | } |
| 711 | #endif /* CONFIG_OWE */ |
| 712 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 713 | if ((ssid->proto & (WPA_PROTO_WPA | WPA_PROTO_RSN)) && |
| 714 | wpa_key_mgmt_wpa(ssid->key_mgmt) && proto_match == 0) { |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 715 | if (debug_print) |
| 716 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 717 | " skip - no WPA/RSN proto match"); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 718 | return 0; |
| 719 | } |
| 720 | |
Dmitry Shmidt | f21452a | 2014-02-26 10:55:25 -0800 | [diff] [blame] | 721 | if ((ssid->key_mgmt & WPA_KEY_MGMT_OSEN) && |
| 722 | wpa_bss_get_vendor_ie(bss, OSEN_IE_VENDOR_TYPE)) { |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 723 | if (debug_print) |
| 724 | wpa_dbg(wpa_s, MSG_DEBUG, " allow in OSEN"); |
Dmitry Shmidt | f21452a | 2014-02-26 10:55:25 -0800 | [diff] [blame] | 725 | return 1; |
| 726 | } |
| 727 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 728 | if (!wpa_key_mgmt_wpa(ssid->key_mgmt)) { |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 729 | if (debug_print) |
| 730 | wpa_dbg(wpa_s, MSG_DEBUG, " allow in non-WPA/WPA2"); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 731 | return 1; |
| 732 | } |
| 733 | |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 734 | if (debug_print) |
| 735 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 736 | " reject due to mismatch with WPA/WPA2"); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 737 | |
| 738 | return 0; |
| 739 | } |
| 740 | |
| 741 | |
| 742 | static int freq_allowed(int *freqs, int freq) |
| 743 | { |
| 744 | int i; |
| 745 | |
| 746 | if (freqs == NULL) |
| 747 | return 1; |
| 748 | |
| 749 | for (i = 0; freqs[i]; i++) |
| 750 | if (freqs[i] == freq) |
| 751 | return 1; |
| 752 | return 0; |
| 753 | } |
| 754 | |
| 755 | |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 756 | static int rate_match(struct wpa_supplicant *wpa_s, struct wpa_bss *bss, |
| 757 | int debug_print) |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 758 | { |
| 759 | const struct hostapd_hw_modes *mode = NULL, *modes; |
| 760 | const u8 scan_ie[2] = { WLAN_EID_SUPP_RATES, WLAN_EID_EXT_SUPP_RATES }; |
| 761 | const u8 *rate_ie; |
| 762 | int i, j, k; |
| 763 | |
| 764 | if (bss->freq == 0) |
| 765 | return 1; /* Cannot do matching without knowing band */ |
| 766 | |
| 767 | modes = wpa_s->hw.modes; |
| 768 | if (modes == NULL) { |
| 769 | /* |
| 770 | * The driver does not provide any additional information |
| 771 | * about the utilized hardware, so allow the connection attempt |
| 772 | * to continue. |
| 773 | */ |
| 774 | return 1; |
| 775 | } |
| 776 | |
| 777 | for (i = 0; i < wpa_s->hw.num_modes; i++) { |
| 778 | for (j = 0; j < modes[i].num_channels; j++) { |
| 779 | int freq = modes[i].channels[j].freq; |
| 780 | if (freq == bss->freq) { |
| 781 | if (mode && |
| 782 | mode->mode == HOSTAPD_MODE_IEEE80211G) |
| 783 | break; /* do not allow 802.11b replace |
| 784 | * 802.11g */ |
| 785 | mode = &modes[i]; |
| 786 | break; |
| 787 | } |
| 788 | } |
| 789 | } |
| 790 | |
| 791 | if (mode == NULL) |
| 792 | return 0; |
| 793 | |
| 794 | for (i = 0; i < (int) sizeof(scan_ie); i++) { |
Dmitry Shmidt | 9bce59c | 2012-09-11 15:06:38 -0700 | [diff] [blame] | 795 | rate_ie = wpa_bss_get_ie(bss, scan_ie[i]); |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 796 | if (rate_ie == NULL) |
| 797 | continue; |
| 798 | |
| 799 | for (j = 2; j < rate_ie[1] + 2; j++) { |
| 800 | int flagged = !!(rate_ie[j] & 0x80); |
| 801 | int r = (rate_ie[j] & 0x7f) * 5; |
| 802 | |
| 803 | /* |
| 804 | * IEEE Std 802.11n-2009 7.3.2.2: |
| 805 | * The new BSS Membership selector value is encoded |
| 806 | * like a legacy basic rate, but it is not a rate and |
| 807 | * only indicates if the BSS members are required to |
| 808 | * support the mandatory features of Clause 20 [HT PHY] |
| 809 | * in order to join the BSS. |
| 810 | */ |
| 811 | if (flagged && ((rate_ie[j] & 0x7f) == |
| 812 | BSS_MEMBERSHIP_SELECTOR_HT_PHY)) { |
| 813 | if (!ht_supported(mode)) { |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 814 | if (debug_print) |
| 815 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 816 | " hardware does not support HT PHY"); |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 817 | return 0; |
| 818 | } |
| 819 | continue; |
| 820 | } |
| 821 | |
Dmitry Shmidt | c2ebb4b | 2013-07-24 12:57:51 -0700 | [diff] [blame] | 822 | /* There's also a VHT selector for 802.11ac */ |
| 823 | if (flagged && ((rate_ie[j] & 0x7f) == |
| 824 | BSS_MEMBERSHIP_SELECTOR_VHT_PHY)) { |
| 825 | if (!vht_supported(mode)) { |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 826 | if (debug_print) |
| 827 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 828 | " hardware does not support VHT PHY"); |
Dmitry Shmidt | c2ebb4b | 2013-07-24 12:57:51 -0700 | [diff] [blame] | 829 | return 0; |
| 830 | } |
| 831 | continue; |
| 832 | } |
| 833 | |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 834 | if (!flagged) |
| 835 | continue; |
| 836 | |
| 837 | /* check for legacy basic rates */ |
| 838 | for (k = 0; k < mode->num_rates; k++) { |
| 839 | if (mode->rates[k] == r) |
| 840 | break; |
| 841 | } |
| 842 | if (k == mode->num_rates) { |
| 843 | /* |
| 844 | * IEEE Std 802.11-2007 7.3.2.2 demands that in |
| 845 | * order to join a BSS all required rates |
| 846 | * have to be supported by the hardware. |
| 847 | */ |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 848 | if (debug_print) |
| 849 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 850 | " hardware does not support required rate %d.%d Mbps (freq=%d mode==%d num_rates=%d)", |
| 851 | r / 10, r % 10, |
| 852 | bss->freq, mode->mode, mode->num_rates); |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 853 | return 0; |
| 854 | } |
| 855 | } |
| 856 | } |
| 857 | |
| 858 | return 1; |
| 859 | } |
| 860 | |
| 861 | |
Dmitry Shmidt | f862328 | 2013-02-20 14:34:59 -0800 | [diff] [blame] | 862 | /* |
| 863 | * Test whether BSS is in an ESS. |
| 864 | * This is done differently in DMG (60 GHz) and non-DMG bands |
| 865 | */ |
| 866 | static int bss_is_ess(struct wpa_bss *bss) |
| 867 | { |
| 868 | if (bss_is_dmg(bss)) { |
| 869 | return (bss->caps & IEEE80211_CAP_DMG_MASK) == |
| 870 | IEEE80211_CAP_DMG_AP; |
| 871 | } |
| 872 | |
| 873 | return ((bss->caps & (IEEE80211_CAP_ESS | IEEE80211_CAP_IBSS)) == |
| 874 | IEEE80211_CAP_ESS); |
| 875 | } |
| 876 | |
| 877 | |
Dmitry Shmidt | ff787d5 | 2015-01-12 13:01:47 -0800 | [diff] [blame] | 878 | static int match_mac_mask(const u8 *addr_a, const u8 *addr_b, const u8 *mask) |
| 879 | { |
| 880 | size_t i; |
| 881 | |
| 882 | for (i = 0; i < ETH_ALEN; i++) { |
| 883 | if ((addr_a[i] & mask[i]) != (addr_b[i] & mask[i])) |
| 884 | return 0; |
| 885 | } |
| 886 | return 1; |
| 887 | } |
| 888 | |
| 889 | |
| 890 | static int addr_in_list(const u8 *addr, const u8 *list, size_t num) |
| 891 | { |
| 892 | size_t i; |
| 893 | |
| 894 | for (i = 0; i < num; i++) { |
| 895 | const u8 *a = list + i * ETH_ALEN * 2; |
| 896 | const u8 *m = a + ETH_ALEN; |
| 897 | |
| 898 | if (match_mac_mask(a, addr, m)) |
| 899 | return 1; |
| 900 | } |
| 901 | return 0; |
| 902 | } |
| 903 | |
| 904 | |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 905 | static void owe_trans_ssid(struct wpa_supplicant *wpa_s, struct wpa_bss *bss, |
| 906 | const u8 **ret_ssid, size_t *ret_ssid_len) |
| 907 | { |
| 908 | #ifdef CONFIG_OWE |
| 909 | const u8 *owe, *pos, *end, *bssid; |
| 910 | u8 ssid_len; |
| 911 | struct wpa_bss *open_bss; |
| 912 | |
| 913 | owe = wpa_bss_get_vendor_ie(bss, OWE_IE_VENDOR_TYPE); |
| 914 | if (!owe || !wpa_bss_get_ie(bss, WLAN_EID_RSN)) |
| 915 | return; |
| 916 | |
| 917 | pos = owe + 6; |
| 918 | end = owe + 2 + owe[1]; |
| 919 | |
| 920 | if (end - pos < ETH_ALEN + 1) |
| 921 | return; |
| 922 | bssid = pos; |
| 923 | pos += ETH_ALEN; |
| 924 | ssid_len = *pos++; |
| 925 | if (end - pos < ssid_len || ssid_len > SSID_MAX_LEN) |
| 926 | return; |
| 927 | |
| 928 | /* Match the profile SSID against the OWE transition mode SSID on the |
| 929 | * open network. */ |
| 930 | wpa_dbg(wpa_s, MSG_DEBUG, "OWE: transition mode BSSID: " MACSTR |
| 931 | " SSID: %s", MAC2STR(bssid), wpa_ssid_txt(pos, ssid_len)); |
| 932 | *ret_ssid = pos; |
| 933 | *ret_ssid_len = ssid_len; |
| 934 | |
| 935 | if (bss->ssid_len > 0) |
| 936 | return; |
| 937 | |
| 938 | open_bss = wpa_bss_get_bssid_latest(wpa_s, bssid); |
| 939 | if (!open_bss) |
| 940 | return; |
| 941 | if (ssid_len != open_bss->ssid_len || |
| 942 | os_memcmp(pos, open_bss->ssid, ssid_len) != 0) { |
| 943 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 944 | "OWE: transition mode SSID mismatch: %s", |
| 945 | wpa_ssid_txt(open_bss->ssid, open_bss->ssid_len)); |
| 946 | return; |
| 947 | } |
| 948 | |
| 949 | owe = wpa_bss_get_vendor_ie(open_bss, OWE_IE_VENDOR_TYPE); |
| 950 | if (!owe || wpa_bss_get_ie(open_bss, WLAN_EID_RSN)) { |
| 951 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 952 | "OWE: transition mode open BSS unexpected info"); |
| 953 | return; |
| 954 | } |
| 955 | |
| 956 | pos = owe + 6; |
| 957 | end = owe + 2 + owe[1]; |
| 958 | |
| 959 | if (end - pos < ETH_ALEN + 1) |
| 960 | return; |
| 961 | if (os_memcmp(pos, bss->bssid, ETH_ALEN) != 0) { |
| 962 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 963 | "OWE: transition mode BSSID mismatch: " MACSTR, |
| 964 | MAC2STR(pos)); |
| 965 | return; |
| 966 | } |
| 967 | pos += ETH_ALEN; |
| 968 | ssid_len = *pos++; |
| 969 | if (end - pos < ssid_len || ssid_len > SSID_MAX_LEN) |
| 970 | return; |
| 971 | wpa_dbg(wpa_s, MSG_DEBUG, "OWE: learned transition mode OWE SSID: %s", |
| 972 | wpa_ssid_txt(pos, ssid_len)); |
| 973 | os_memcpy(bss->ssid, pos, ssid_len); |
| 974 | bss->ssid_len = ssid_len; |
| 975 | #endif /* CONFIG_OWE */ |
| 976 | } |
| 977 | |
| 978 | |
Dmitry Shmidt | 57c2d39 | 2016-02-23 13:40:19 -0800 | [diff] [blame] | 979 | struct wpa_ssid * wpa_scan_res_match(struct wpa_supplicant *wpa_s, |
| 980 | int i, struct wpa_bss *bss, |
| 981 | struct wpa_ssid *group, |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 982 | int only_first_ssid, int debug_print) |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 983 | { |
Dmitry Shmidt | 9bce59c | 2012-09-11 15:06:38 -0700 | [diff] [blame] | 984 | u8 wpa_ie_len, rsn_ie_len; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 985 | int wpa; |
| 986 | struct wpa_blacklist *e; |
| 987 | const u8 *ie; |
| 988 | struct wpa_ssid *ssid; |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 989 | int osen, rsn_osen = 0; |
Dmitry Shmidt | 57c2d39 | 2016-02-23 13:40:19 -0800 | [diff] [blame] | 990 | #ifdef CONFIG_MBO |
| 991 | const u8 *assoc_disallow; |
| 992 | #endif /* CONFIG_MBO */ |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 993 | const u8 *match_ssid; |
| 994 | size_t match_ssid_len; |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 995 | struct wpa_ie_data data; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 996 | |
Dmitry Shmidt | 9bce59c | 2012-09-11 15:06:38 -0700 | [diff] [blame] | 997 | ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 998 | wpa_ie_len = ie ? ie[1] : 0; |
| 999 | |
Dmitry Shmidt | 9bce59c | 2012-09-11 15:06:38 -0700 | [diff] [blame] | 1000 | ie = wpa_bss_get_ie(bss, WLAN_EID_RSN); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1001 | rsn_ie_len = ie ? ie[1] : 0; |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 1002 | if (ie && wpa_parse_wpa_ie_rsn(ie, 2 + ie[1], &data) == 0 && |
| 1003 | (data.key_mgmt & WPA_KEY_MGMT_OSEN)) |
| 1004 | rsn_osen = 1; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1005 | |
Dmitry Shmidt | f21452a | 2014-02-26 10:55:25 -0800 | [diff] [blame] | 1006 | ie = wpa_bss_get_vendor_ie(bss, OSEN_IE_VENDOR_TYPE); |
| 1007 | osen = ie != NULL; |
| 1008 | |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 1009 | if (debug_print) { |
| 1010 | wpa_dbg(wpa_s, MSG_DEBUG, "%d: " MACSTR |
| 1011 | " ssid='%s' wpa_ie_len=%u rsn_ie_len=%u caps=0x%x level=%d freq=%d %s%s%s", |
| 1012 | i, MAC2STR(bss->bssid), |
| 1013 | wpa_ssid_txt(bss->ssid, bss->ssid_len), |
| 1014 | wpa_ie_len, rsn_ie_len, bss->caps, bss->level, |
| 1015 | bss->freq, |
| 1016 | wpa_bss_get_vendor_ie(bss, WPS_IE_VENDOR_TYPE) ? |
| 1017 | " wps" : "", |
| 1018 | (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) || |
| 1019 | wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE)) |
| 1020 | ? " p2p" : "", |
| 1021 | osen ? " osen=1" : ""); |
| 1022 | } |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1023 | |
| 1024 | e = wpa_blacklist_get(wpa_s, bss->bssid); |
| 1025 | if (e) { |
| 1026 | int limit = 1; |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 1027 | if (wpa_supplicant_enabled_networks(wpa_s) == 1) { |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1028 | /* |
| 1029 | * When only a single network is enabled, we can |
| 1030 | * trigger blacklisting on the first failure. This |
| 1031 | * should not be done with multiple enabled networks to |
| 1032 | * avoid getting forced to move into a worse ESS on |
| 1033 | * single error if there are no other BSSes of the |
| 1034 | * current ESS. |
| 1035 | */ |
| 1036 | limit = 0; |
| 1037 | } |
| 1038 | if (e->count > limit) { |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 1039 | if (debug_print) { |
| 1040 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 1041 | " skip - blacklisted (count=%d limit=%d)", |
| 1042 | e->count, limit); |
| 1043 | } |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1044 | return NULL; |
| 1045 | } |
| 1046 | } |
| 1047 | |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 1048 | match_ssid = bss->ssid; |
| 1049 | match_ssid_len = bss->ssid_len; |
| 1050 | owe_trans_ssid(wpa_s, bss, &match_ssid, &match_ssid_len); |
| 1051 | |
| 1052 | if (match_ssid_len == 0) { |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 1053 | if (debug_print) |
| 1054 | wpa_dbg(wpa_s, MSG_DEBUG, " skip - SSID not known"); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1055 | return NULL; |
| 1056 | } |
| 1057 | |
Dmitry Shmidt | d5e4923 | 2012-12-03 15:08:10 -0800 | [diff] [blame] | 1058 | if (disallowed_bssid(wpa_s, bss->bssid)) { |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 1059 | if (debug_print) |
| 1060 | wpa_dbg(wpa_s, MSG_DEBUG, " skip - BSSID disallowed"); |
Dmitry Shmidt | d5e4923 | 2012-12-03 15:08:10 -0800 | [diff] [blame] | 1061 | return NULL; |
| 1062 | } |
| 1063 | |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 1064 | if (disallowed_ssid(wpa_s, match_ssid, match_ssid_len)) { |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 1065 | if (debug_print) |
| 1066 | wpa_dbg(wpa_s, MSG_DEBUG, " skip - SSID disallowed"); |
Dmitry Shmidt | d5e4923 | 2012-12-03 15:08:10 -0800 | [diff] [blame] | 1067 | return NULL; |
| 1068 | } |
| 1069 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1070 | wpa = wpa_ie_len > 0 || rsn_ie_len > 0; |
| 1071 | |
Dmitry Shmidt | f21452a | 2014-02-26 10:55:25 -0800 | [diff] [blame] | 1072 | for (ssid = group; ssid; ssid = only_first_ssid ? NULL : ssid->pnext) { |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1073 | int check_ssid = wpa ? 1 : (ssid->ssid_len != 0); |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 1074 | int res; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1075 | |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 1076 | if (wpas_network_disabled(wpa_s, ssid)) { |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 1077 | if (debug_print) |
| 1078 | wpa_dbg(wpa_s, MSG_DEBUG, " skip - disabled"); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1079 | continue; |
| 1080 | } |
| 1081 | |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 1082 | res = wpas_temp_disabled(wpa_s, ssid); |
| 1083 | if (res > 0) { |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 1084 | if (debug_print) |
| 1085 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 1086 | " skip - disabled temporarily for %d second(s)", |
| 1087 | res); |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 1088 | continue; |
| 1089 | } |
| 1090 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1091 | #ifdef CONFIG_WPS |
| 1092 | if ((ssid->key_mgmt & WPA_KEY_MGMT_WPS) && e && e->count > 0) { |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 1093 | if (debug_print) |
| 1094 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 1095 | " skip - blacklisted (WPS)"); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1096 | continue; |
| 1097 | } |
| 1098 | |
| 1099 | if (wpa && ssid->ssid_len == 0 && |
| 1100 | wpas_wps_ssid_wildcard_ok(wpa_s, ssid, bss)) |
| 1101 | check_ssid = 0; |
| 1102 | |
| 1103 | if (!wpa && (ssid->key_mgmt & WPA_KEY_MGMT_WPS)) { |
| 1104 | /* Only allow wildcard SSID match if an AP |
| 1105 | * advertises active WPS operation that matches |
| 1106 | * with our mode. */ |
| 1107 | check_ssid = 1; |
| 1108 | if (ssid->ssid_len == 0 && |
| 1109 | wpas_wps_ssid_wildcard_ok(wpa_s, ssid, bss)) |
| 1110 | check_ssid = 0; |
| 1111 | } |
| 1112 | #endif /* CONFIG_WPS */ |
| 1113 | |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 1114 | if (ssid->bssid_set && ssid->ssid_len == 0 && |
| 1115 | os_memcmp(bss->bssid, ssid->bssid, ETH_ALEN) == 0) |
| 1116 | check_ssid = 0; |
| 1117 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1118 | if (check_ssid && |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 1119 | (match_ssid_len != ssid->ssid_len || |
| 1120 | os_memcmp(match_ssid, ssid->ssid, match_ssid_len) != 0)) { |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 1121 | if (debug_print) |
| 1122 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 1123 | " skip - SSID mismatch"); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1124 | continue; |
| 1125 | } |
| 1126 | |
| 1127 | if (ssid->bssid_set && |
| 1128 | os_memcmp(bss->bssid, ssid->bssid, ETH_ALEN) != 0) { |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 1129 | if (debug_print) |
| 1130 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 1131 | " skip - BSSID mismatch"); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1132 | continue; |
| 1133 | } |
| 1134 | |
Dmitry Shmidt | ff787d5 | 2015-01-12 13:01:47 -0800 | [diff] [blame] | 1135 | /* check blacklist */ |
| 1136 | if (ssid->num_bssid_blacklist && |
| 1137 | addr_in_list(bss->bssid, ssid->bssid_blacklist, |
| 1138 | ssid->num_bssid_blacklist)) { |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 1139 | if (debug_print) |
| 1140 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 1141 | " skip - BSSID blacklisted"); |
Dmitry Shmidt | ff787d5 | 2015-01-12 13:01:47 -0800 | [diff] [blame] | 1142 | continue; |
| 1143 | } |
| 1144 | |
| 1145 | /* if there is a whitelist, only accept those APs */ |
| 1146 | if (ssid->num_bssid_whitelist && |
| 1147 | !addr_in_list(bss->bssid, ssid->bssid_whitelist, |
| 1148 | ssid->num_bssid_whitelist)) { |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 1149 | if (debug_print) |
| 1150 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 1151 | " skip - BSSID not in whitelist"); |
Dmitry Shmidt | ff787d5 | 2015-01-12 13:01:47 -0800 | [diff] [blame] | 1152 | continue; |
| 1153 | } |
| 1154 | |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 1155 | if (!wpa_supplicant_ssid_bss_match(wpa_s, ssid, bss, |
| 1156 | debug_print)) |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1157 | continue; |
| 1158 | |
Dmitry Shmidt | f21452a | 2014-02-26 10:55:25 -0800 | [diff] [blame] | 1159 | if (!osen && !wpa && |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1160 | !(ssid->key_mgmt & WPA_KEY_MGMT_NONE) && |
| 1161 | !(ssid->key_mgmt & WPA_KEY_MGMT_WPS) && |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 1162 | !(ssid->key_mgmt & WPA_KEY_MGMT_OWE) && |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1163 | !(ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA)) { |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 1164 | if (debug_print) |
| 1165 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 1166 | " skip - non-WPA network not allowed"); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1167 | continue; |
| 1168 | } |
| 1169 | |
Dmitry Shmidt | b7b4d0e | 2013-08-26 12:09:05 -0700 | [diff] [blame] | 1170 | if (wpa && !wpa_key_mgmt_wpa(ssid->key_mgmt) && |
| 1171 | has_wep_key(ssid)) { |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 1172 | if (debug_print) |
| 1173 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 1174 | " skip - ignore WPA/WPA2 AP for WEP network block"); |
Dmitry Shmidt | b7b4d0e | 2013-08-26 12:09:05 -0700 | [diff] [blame] | 1175 | continue; |
| 1176 | } |
| 1177 | |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 1178 | if ((ssid->key_mgmt & WPA_KEY_MGMT_OSEN) && !osen && |
| 1179 | !rsn_osen) { |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 1180 | if (debug_print) |
| 1181 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 1182 | " skip - non-OSEN network not allowed"); |
Dmitry Shmidt | f21452a | 2014-02-26 10:55:25 -0800 | [diff] [blame] | 1183 | continue; |
| 1184 | } |
| 1185 | |
Jouni Malinen | 75ecf52 | 2011-06-27 15:19:46 -0700 | [diff] [blame] | 1186 | if (!wpa_supplicant_match_privacy(bss, ssid)) { |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 1187 | if (debug_print) |
| 1188 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 1189 | " skip - privacy mismatch"); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1190 | continue; |
| 1191 | } |
| 1192 | |
Dmitry Shmidt | 58d12ad | 2016-07-28 10:07:03 -0700 | [diff] [blame] | 1193 | if (ssid->mode != IEEE80211_MODE_MESH && !bss_is_ess(bss) && |
| 1194 | !bss_is_pbss(bss)) { |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 1195 | if (debug_print) |
| 1196 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 1197 | " skip - not ESS, PBSS, or MBSS"); |
Dmitry Shmidt | 57c2d39 | 2016-02-23 13:40:19 -0800 | [diff] [blame] | 1198 | continue; |
| 1199 | } |
| 1200 | |
Dmitry Shmidt | 849734c | 2016-05-27 09:59:01 -0700 | [diff] [blame] | 1201 | if (ssid->pbss != 2 && ssid->pbss != bss_is_pbss(bss)) { |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 1202 | if (debug_print) |
| 1203 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 1204 | " skip - PBSS mismatch (ssid %d bss %d)", |
| 1205 | ssid->pbss, bss_is_pbss(bss)); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1206 | continue; |
| 1207 | } |
| 1208 | |
| 1209 | if (!freq_allowed(ssid->freq_list, bss->freq)) { |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 1210 | if (debug_print) |
| 1211 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 1212 | " skip - frequency not allowed"); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1213 | continue; |
| 1214 | } |
| 1215 | |
Dmitry Shmidt | 58d12ad | 2016-07-28 10:07:03 -0700 | [diff] [blame] | 1216 | #ifdef CONFIG_MESH |
| 1217 | if (ssid->mode == IEEE80211_MODE_MESH && ssid->frequency > 0 && |
| 1218 | ssid->frequency != bss->freq) { |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 1219 | if (debug_print) |
| 1220 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 1221 | " skip - frequency not allowed (mesh)"); |
Dmitry Shmidt | 58d12ad | 2016-07-28 10:07:03 -0700 | [diff] [blame] | 1222 | continue; |
| 1223 | } |
| 1224 | #endif /* CONFIG_MESH */ |
| 1225 | |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 1226 | if (!rate_match(wpa_s, bss, debug_print)) { |
| 1227 | if (debug_print) |
| 1228 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 1229 | " skip - rate sets do not match"); |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 1230 | continue; |
| 1231 | } |
| 1232 | |
Dmitry Shmidt | 9839ecd | 2016-11-07 11:05:47 -0800 | [diff] [blame] | 1233 | #ifndef CONFIG_IBSS_RSN |
| 1234 | if (ssid->mode == WPAS_MODE_IBSS && |
| 1235 | !(ssid->key_mgmt & (WPA_KEY_MGMT_NONE | |
| 1236 | WPA_KEY_MGMT_WPA_NONE))) { |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 1237 | if (debug_print) |
| 1238 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 1239 | " skip - IBSS RSN not supported in the build"); |
Dmitry Shmidt | 9839ecd | 2016-11-07 11:05:47 -0800 | [diff] [blame] | 1240 | continue; |
| 1241 | } |
| 1242 | #endif /* !CONFIG_IBSS_RSN */ |
| 1243 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1244 | #ifdef CONFIG_P2P |
Dmitry Shmidt | 9657139 | 2013-10-14 12:54:46 -0700 | [diff] [blame] | 1245 | if (ssid->p2p_group && |
| 1246 | !wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) && |
| 1247 | !wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE)) { |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 1248 | if (debug_print) |
| 1249 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 1250 | " skip - no P2P IE seen"); |
Dmitry Shmidt | 9657139 | 2013-10-14 12:54:46 -0700 | [diff] [blame] | 1251 | continue; |
| 1252 | } |
| 1253 | |
Dmitry Shmidt | 5460547 | 2013-11-08 11:10:19 -0800 | [diff] [blame] | 1254 | if (!is_zero_ether_addr(ssid->go_p2p_dev_addr)) { |
| 1255 | struct wpabuf *p2p_ie; |
| 1256 | u8 dev_addr[ETH_ALEN]; |
| 1257 | |
| 1258 | ie = wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE); |
| 1259 | if (ie == NULL) { |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 1260 | if (debug_print) |
| 1261 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 1262 | " skip - no P2P element"); |
Dmitry Shmidt | 5460547 | 2013-11-08 11:10:19 -0800 | [diff] [blame] | 1263 | continue; |
| 1264 | } |
| 1265 | p2p_ie = wpa_bss_get_vendor_ie_multi( |
| 1266 | bss, P2P_IE_VENDOR_TYPE); |
| 1267 | if (p2p_ie == NULL) { |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 1268 | if (debug_print) |
| 1269 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 1270 | " skip - could not fetch P2P element"); |
Dmitry Shmidt | 5460547 | 2013-11-08 11:10:19 -0800 | [diff] [blame] | 1271 | continue; |
| 1272 | } |
| 1273 | |
| 1274 | if (p2p_parse_dev_addr_in_p2p_ie(p2p_ie, dev_addr) < 0 |
| 1275 | || os_memcmp(dev_addr, ssid->go_p2p_dev_addr, |
| 1276 | ETH_ALEN) != 0) { |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 1277 | if (debug_print) |
| 1278 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 1279 | " skip - no matching GO P2P Device Address in P2P element"); |
Dmitry Shmidt | 5460547 | 2013-11-08 11:10:19 -0800 | [diff] [blame] | 1280 | wpabuf_free(p2p_ie); |
| 1281 | continue; |
| 1282 | } |
| 1283 | wpabuf_free(p2p_ie); |
| 1284 | } |
| 1285 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1286 | /* |
| 1287 | * TODO: skip the AP if its P2P IE has Group Formation |
| 1288 | * bit set in the P2P Group Capability Bitmap and we |
| 1289 | * are not in Group Formation with that device. |
| 1290 | */ |
| 1291 | #endif /* CONFIG_P2P */ |
| 1292 | |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 1293 | if (os_reltime_before(&bss->last_update, &wpa_s->scan_min_time)) |
| 1294 | { |
| 1295 | struct os_reltime diff; |
| 1296 | |
| 1297 | os_reltime_sub(&wpa_s->scan_min_time, |
| 1298 | &bss->last_update, &diff); |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 1299 | if (debug_print) |
| 1300 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 1301 | " skip - scan result not recent enough (%u.%06u seconds too old)", |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 1302 | (unsigned int) diff.sec, |
| 1303 | (unsigned int) diff.usec); |
| 1304 | continue; |
| 1305 | } |
Dmitry Shmidt | 57c2d39 | 2016-02-23 13:40:19 -0800 | [diff] [blame] | 1306 | #ifdef CONFIG_MBO |
Dmitry Shmidt | aca489e | 2016-09-28 15:44:14 -0700 | [diff] [blame] | 1307 | #ifdef CONFIG_TESTING_OPTIONS |
| 1308 | if (wpa_s->ignore_assoc_disallow) |
| 1309 | goto skip_assoc_disallow; |
| 1310 | #endif /* CONFIG_TESTING_OPTIONS */ |
Dmitry Shmidt | 57c2d39 | 2016-02-23 13:40:19 -0800 | [diff] [blame] | 1311 | assoc_disallow = wpas_mbo_get_bss_attr( |
| 1312 | bss, MBO_ATTR_ID_ASSOC_DISALLOW); |
| 1313 | if (assoc_disallow && assoc_disallow[1] >= 1) { |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 1314 | if (debug_print) |
| 1315 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 1316 | " skip - MBO association disallowed (reason %u)", |
Dmitry Shmidt | 57c2d39 | 2016-02-23 13:40:19 -0800 | [diff] [blame] | 1317 | assoc_disallow[2]); |
| 1318 | continue; |
| 1319 | } |
| 1320 | |
| 1321 | if (wpa_is_bss_tmp_disallowed(wpa_s, bss->bssid)) { |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 1322 | if (debug_print) |
| 1323 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 1324 | " skip - MBO retry delay has not passed yet"); |
Dmitry Shmidt | 57c2d39 | 2016-02-23 13:40:19 -0800 | [diff] [blame] | 1325 | continue; |
| 1326 | } |
Dmitry Shmidt | aca489e | 2016-09-28 15:44:14 -0700 | [diff] [blame] | 1327 | #ifdef CONFIG_TESTING_OPTIONS |
| 1328 | skip_assoc_disallow: |
| 1329 | #endif /* CONFIG_TESTING_OPTIONS */ |
Dmitry Shmidt | 57c2d39 | 2016-02-23 13:40:19 -0800 | [diff] [blame] | 1330 | #endif /* CONFIG_MBO */ |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 1331 | |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 1332 | #ifdef CONFIG_DPP |
| 1333 | if ((ssid->key_mgmt & WPA_KEY_MGMT_DPP) && |
| 1334 | !wpa_sm_pmksa_exists(wpa_s->wpa, bss->bssid, ssid) && |
| 1335 | (!ssid->dpp_connector || |
| 1336 | !ssid->dpp_netaccesskey || |
| 1337 | !ssid->dpp_csign)) { |
| 1338 | if (debug_print) |
| 1339 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 1340 | " skip - no PMKSA entry for DPP"); |
| 1341 | continue; |
| 1342 | } |
| 1343 | #endif /* CONFIG_DPP */ |
| 1344 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1345 | /* Matching configuration found */ |
| 1346 | return ssid; |
| 1347 | } |
| 1348 | |
| 1349 | /* No matching configuration found */ |
| 1350 | return NULL; |
| 1351 | } |
| 1352 | |
| 1353 | |
| 1354 | static struct wpa_bss * |
| 1355 | wpa_supplicant_select_bss(struct wpa_supplicant *wpa_s, |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1356 | struct wpa_ssid *group, |
Dmitry Shmidt | f21452a | 2014-02-26 10:55:25 -0800 | [diff] [blame] | 1357 | struct wpa_ssid **selected_ssid, |
| 1358 | int only_first_ssid) |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1359 | { |
Dmitry Shmidt | 9bce59c | 2012-09-11 15:06:38 -0700 | [diff] [blame] | 1360 | unsigned int i; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1361 | |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 1362 | if (wpa_s->current_ssid) { |
| 1363 | struct wpa_ssid *ssid; |
| 1364 | |
| 1365 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 1366 | "Scan results matching the currently selected network"); |
| 1367 | for (i = 0; i < wpa_s->last_scan_res_used; i++) { |
| 1368 | struct wpa_bss *bss = wpa_s->last_scan_res[i]; |
| 1369 | |
| 1370 | ssid = wpa_scan_res_match(wpa_s, i, bss, group, |
| 1371 | only_first_ssid, 0); |
| 1372 | if (ssid != wpa_s->current_ssid) |
| 1373 | continue; |
| 1374 | wpa_dbg(wpa_s, MSG_DEBUG, "%u: " MACSTR |
| 1375 | " freq=%d level=%d snr=%d est_throughput=%u", |
| 1376 | i, MAC2STR(bss->bssid), bss->freq, bss->level, |
| 1377 | bss->snr, bss->est_throughput); |
| 1378 | } |
| 1379 | } |
| 1380 | |
Dmitry Shmidt | f21452a | 2014-02-26 10:55:25 -0800 | [diff] [blame] | 1381 | if (only_first_ssid) |
| 1382 | wpa_dbg(wpa_s, MSG_DEBUG, "Try to find BSS matching pre-selected network id=%d", |
| 1383 | group->id); |
| 1384 | else |
| 1385 | wpa_dbg(wpa_s, MSG_DEBUG, "Selecting BSS from priority group %d", |
| 1386 | group->priority); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1387 | |
Dmitry Shmidt | 9bce59c | 2012-09-11 15:06:38 -0700 | [diff] [blame] | 1388 | for (i = 0; i < wpa_s->last_scan_res_used; i++) { |
| 1389 | struct wpa_bss *bss = wpa_s->last_scan_res[i]; |
Dmitry Shmidt | f21452a | 2014-02-26 10:55:25 -0800 | [diff] [blame] | 1390 | *selected_ssid = wpa_scan_res_match(wpa_s, i, bss, group, |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 1391 | only_first_ssid, 1); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1392 | if (!*selected_ssid) |
| 1393 | continue; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1394 | wpa_dbg(wpa_s, MSG_DEBUG, " selected BSS " MACSTR |
| 1395 | " ssid='%s'", |
Dmitry Shmidt | 9bce59c | 2012-09-11 15:06:38 -0700 | [diff] [blame] | 1396 | MAC2STR(bss->bssid), |
| 1397 | wpa_ssid_txt(bss->ssid, bss->ssid_len)); |
| 1398 | return bss; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1399 | } |
| 1400 | |
| 1401 | return NULL; |
| 1402 | } |
| 1403 | |
| 1404 | |
Dmitry Shmidt | 444d567 | 2013-04-01 13:08:44 -0700 | [diff] [blame] | 1405 | struct wpa_bss * wpa_supplicant_pick_network(struct wpa_supplicant *wpa_s, |
| 1406 | struct wpa_ssid **selected_ssid) |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1407 | { |
| 1408 | struct wpa_bss *selected = NULL; |
| 1409 | int prio; |
Dmitry Shmidt | 4582d2a | 2014-02-28 11:14:23 -0800 | [diff] [blame] | 1410 | struct wpa_ssid *next_ssid = NULL; |
Dmitry Shmidt | 912c6ec | 2015-03-30 13:16:51 -0700 | [diff] [blame] | 1411 | struct wpa_ssid *ssid; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1412 | |
Dmitry Shmidt | 9bce59c | 2012-09-11 15:06:38 -0700 | [diff] [blame] | 1413 | if (wpa_s->last_scan_res == NULL || |
| 1414 | wpa_s->last_scan_res_used == 0) |
| 1415 | return NULL; /* no scan results from last update */ |
| 1416 | |
Dmitry Shmidt | 4582d2a | 2014-02-28 11:14:23 -0800 | [diff] [blame] | 1417 | if (wpa_s->next_ssid) { |
Dmitry Shmidt | 4582d2a | 2014-02-28 11:14:23 -0800 | [diff] [blame] | 1418 | /* check that next_ssid is still valid */ |
| 1419 | for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) { |
| 1420 | if (ssid == wpa_s->next_ssid) |
| 1421 | break; |
| 1422 | } |
| 1423 | next_ssid = ssid; |
| 1424 | wpa_s->next_ssid = NULL; |
| 1425 | } |
| 1426 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1427 | while (selected == NULL) { |
Dmitry Shmidt | 4582d2a | 2014-02-28 11:14:23 -0800 | [diff] [blame] | 1428 | for (prio = 0; prio < wpa_s->conf->num_prio; prio++) { |
| 1429 | if (next_ssid && next_ssid->priority == |
| 1430 | wpa_s->conf->pssid[prio]->priority) { |
Dmitry Shmidt | f21452a | 2014-02-26 10:55:25 -0800 | [diff] [blame] | 1431 | selected = wpa_supplicant_select_bss( |
Dmitry Shmidt | 4582d2a | 2014-02-28 11:14:23 -0800 | [diff] [blame] | 1432 | wpa_s, next_ssid, selected_ssid, 1); |
Dmitry Shmidt | f21452a | 2014-02-26 10:55:25 -0800 | [diff] [blame] | 1433 | if (selected) |
| 1434 | break; |
| 1435 | } |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1436 | selected = wpa_supplicant_select_bss( |
Dmitry Shmidt | 9bce59c | 2012-09-11 15:06:38 -0700 | [diff] [blame] | 1437 | wpa_s, wpa_s->conf->pssid[prio], |
Dmitry Shmidt | f21452a | 2014-02-26 10:55:25 -0800 | [diff] [blame] | 1438 | selected_ssid, 0); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1439 | if (selected) |
| 1440 | break; |
| 1441 | } |
| 1442 | |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 1443 | if (selected == NULL && wpa_s->blacklist && |
| 1444 | !wpa_s->countermeasures) { |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1445 | wpa_dbg(wpa_s, MSG_DEBUG, "No APs found - clear " |
| 1446 | "blacklist and try again"); |
| 1447 | wpa_blacklist_clear(wpa_s); |
| 1448 | wpa_s->blacklist_cleared++; |
| 1449 | } else if (selected == NULL) |
| 1450 | break; |
| 1451 | } |
| 1452 | |
Dmitry Shmidt | 912c6ec | 2015-03-30 13:16:51 -0700 | [diff] [blame] | 1453 | ssid = *selected_ssid; |
| 1454 | if (selected && ssid && ssid->mem_only_psk && !ssid->psk_set && |
| 1455 | !ssid->passphrase && !ssid->ext_psk) { |
| 1456 | const char *field_name, *txt = NULL; |
| 1457 | |
| 1458 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 1459 | "PSK/passphrase not yet available for the selected network"); |
| 1460 | |
| 1461 | wpas_notify_network_request(wpa_s, ssid, |
| 1462 | WPA_CTRL_REQ_PSK_PASSPHRASE, NULL); |
| 1463 | |
| 1464 | field_name = wpa_supplicant_ctrl_req_to_string( |
| 1465 | WPA_CTRL_REQ_PSK_PASSPHRASE, NULL, &txt); |
| 1466 | if (field_name == NULL) |
| 1467 | return NULL; |
| 1468 | |
| 1469 | wpas_send_ctrl_req(wpa_s, ssid, field_name, txt); |
| 1470 | |
| 1471 | selected = NULL; |
| 1472 | } |
| 1473 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1474 | return selected; |
| 1475 | } |
| 1476 | |
| 1477 | |
| 1478 | static void wpa_supplicant_req_new_scan(struct wpa_supplicant *wpa_s, |
| 1479 | int timeout_sec, int timeout_usec) |
| 1480 | { |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 1481 | if (!wpa_supplicant_enabled_networks(wpa_s)) { |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1482 | /* |
| 1483 | * No networks are enabled; short-circuit request so |
| 1484 | * we don't wait timeout seconds before transitioning |
| 1485 | * to INACTIVE state. |
| 1486 | */ |
Dmitry Shmidt | aa53251 | 2012-09-24 10:35:31 -0700 | [diff] [blame] | 1487 | wpa_dbg(wpa_s, MSG_DEBUG, "Short-circuit new scan request " |
| 1488 | "since there are no enabled networks"); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1489 | wpa_supplicant_set_state(wpa_s, WPA_INACTIVE); |
| 1490 | return; |
| 1491 | } |
Dmitry Shmidt | d5e4923 | 2012-12-03 15:08:10 -0800 | [diff] [blame] | 1492 | |
| 1493 | wpa_s->scan_for_connection = 1; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1494 | wpa_supplicant_req_scan(wpa_s, timeout_sec, timeout_usec); |
| 1495 | } |
| 1496 | |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 1497 | |
Dmitry Shmidt | 44da025 | 2011-08-23 12:30:30 -0700 | [diff] [blame] | 1498 | int wpa_supplicant_connect(struct wpa_supplicant *wpa_s, |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 1499 | struct wpa_bss *selected, |
| 1500 | struct wpa_ssid *ssid) |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1501 | { |
| 1502 | if (wpas_wps_scan_pbc_overlap(wpa_s, selected, ssid)) { |
| 1503 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_OVERLAP |
| 1504 | "PBC session overlap"); |
Dmitry Shmidt | 7a53dbb | 2015-06-11 13:13:53 -0700 | [diff] [blame] | 1505 | wpas_notify_wps_event_pbc_overlap(wpa_s); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1506 | #ifdef CONFIG_P2P |
Dmitry Shmidt | df5a7e4 | 2014-04-02 12:59:59 -0700 | [diff] [blame] | 1507 | if (wpa_s->p2p_group_interface == P2P_GROUP_INTERFACE_CLIENT || |
| 1508 | wpa_s->p2p_in_provisioning) { |
| 1509 | eloop_register_timeout(0, 0, wpas_p2p_pbc_overlap_cb, |
| 1510 | wpa_s, NULL); |
Dmitry Shmidt | 44da025 | 2011-08-23 12:30:30 -0700 | [diff] [blame] | 1511 | return -1; |
Dmitry Shmidt | df5a7e4 | 2014-04-02 12:59:59 -0700 | [diff] [blame] | 1512 | } |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1513 | #endif /* CONFIG_P2P */ |
| 1514 | |
| 1515 | #ifdef CONFIG_WPS |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 1516 | wpas_wps_pbc_overlap(wpa_s); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1517 | wpas_wps_cancel(wpa_s); |
| 1518 | #endif /* CONFIG_WPS */ |
Dmitry Shmidt | 44da025 | 2011-08-23 12:30:30 -0700 | [diff] [blame] | 1519 | return -1; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1520 | } |
| 1521 | |
Dmitry Shmidt | f7e0a99 | 2013-05-23 11:03:10 -0700 | [diff] [blame] | 1522 | wpa_msg(wpa_s, MSG_DEBUG, |
| 1523 | "Considering connect request: reassociate: %d selected: " |
| 1524 | MACSTR " bssid: " MACSTR " pending: " MACSTR |
| 1525 | " wpa_state: %s ssid=%p current_ssid=%p", |
| 1526 | wpa_s->reassociate, MAC2STR(selected->bssid), |
| 1527 | MAC2STR(wpa_s->bssid), MAC2STR(wpa_s->pending_bssid), |
| 1528 | wpa_supplicant_state_txt(wpa_s->wpa_state), |
| 1529 | ssid, wpa_s->current_ssid); |
| 1530 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1531 | /* |
| 1532 | * Do not trigger new association unless the BSSID has changed or if |
| 1533 | * reassociation is requested. If we are in process of associating with |
| 1534 | * the selected BSSID, do not trigger new attempt. |
| 1535 | */ |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 1536 | if (wpa_s->reassociate || |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1537 | (os_memcmp(selected->bssid, wpa_s->bssid, ETH_ALEN) != 0 && |
| 1538 | ((wpa_s->wpa_state != WPA_ASSOCIATING && |
| 1539 | wpa_s->wpa_state != WPA_AUTHENTICATING) || |
Dmitry Shmidt | f7e0a99 | 2013-05-23 11:03:10 -0700 | [diff] [blame] | 1540 | (!is_zero_ether_addr(wpa_s->pending_bssid) && |
| 1541 | os_memcmp(selected->bssid, wpa_s->pending_bssid, ETH_ALEN) != |
| 1542 | 0) || |
| 1543 | (is_zero_ether_addr(wpa_s->pending_bssid) && |
| 1544 | ssid != wpa_s->current_ssid)))) { |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1545 | if (wpa_supplicant_scard_init(wpa_s, ssid)) { |
| 1546 | wpa_supplicant_req_new_scan(wpa_s, 10, 0); |
Dmitry Shmidt | 44da025 | 2011-08-23 12:30:30 -0700 | [diff] [blame] | 1547 | return 0; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1548 | } |
Dmitry Shmidt | f7e0a99 | 2013-05-23 11:03:10 -0700 | [diff] [blame] | 1549 | wpa_msg(wpa_s, MSG_DEBUG, "Request association with " MACSTR, |
| 1550 | MAC2STR(selected->bssid)); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1551 | wpa_supplicant_associate(wpa_s, selected, ssid); |
| 1552 | } else { |
Dmitry Shmidt | f7e0a99 | 2013-05-23 11:03:10 -0700 | [diff] [blame] | 1553 | wpa_dbg(wpa_s, MSG_DEBUG, "Already associated or trying to " |
| 1554 | "connect with the selected AP"); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1555 | } |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 1556 | |
Dmitry Shmidt | 44da025 | 2011-08-23 12:30:30 -0700 | [diff] [blame] | 1557 | return 0; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1558 | } |
| 1559 | |
| 1560 | |
| 1561 | static struct wpa_ssid * |
| 1562 | wpa_supplicant_pick_new_network(struct wpa_supplicant *wpa_s) |
| 1563 | { |
| 1564 | int prio; |
| 1565 | struct wpa_ssid *ssid; |
| 1566 | |
| 1567 | for (prio = 0; prio < wpa_s->conf->num_prio; prio++) { |
| 1568 | for (ssid = wpa_s->conf->pssid[prio]; ssid; ssid = ssid->pnext) |
| 1569 | { |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 1570 | if (wpas_network_disabled(wpa_s, ssid)) |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1571 | continue; |
Dmitry Shmidt | 9839ecd | 2016-11-07 11:05:47 -0800 | [diff] [blame] | 1572 | #ifndef CONFIG_IBSS_RSN |
| 1573 | if (ssid->mode == WPAS_MODE_IBSS && |
| 1574 | !(ssid->key_mgmt & (WPA_KEY_MGMT_NONE | |
| 1575 | WPA_KEY_MGMT_WPA_NONE))) { |
| 1576 | wpa_msg(wpa_s, MSG_INFO, |
| 1577 | "IBSS RSN not supported in the build - cannot use the profile for SSID '%s'", |
| 1578 | wpa_ssid_txt(ssid->ssid, |
| 1579 | ssid->ssid_len)); |
| 1580 | continue; |
| 1581 | } |
| 1582 | #endif /* !CONFIG_IBSS_RSN */ |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1583 | if (ssid->mode == IEEE80211_MODE_IBSS || |
Dmitry Shmidt | 6c0da2b | 2015-01-05 13:08:17 -0800 | [diff] [blame] | 1584 | ssid->mode == IEEE80211_MODE_AP || |
| 1585 | ssid->mode == IEEE80211_MODE_MESH) |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1586 | return ssid; |
| 1587 | } |
| 1588 | } |
| 1589 | return NULL; |
| 1590 | } |
| 1591 | |
| 1592 | |
| 1593 | /* TODO: move the rsn_preauth_scan_result*() to be called from notify.c based |
| 1594 | * on BSS added and BSS changed events */ |
| 1595 | static void wpa_supplicant_rsn_preauth_scan_results( |
Jouni Malinen | 87fd279 | 2011-05-16 18:35:42 +0300 | [diff] [blame] | 1596 | struct wpa_supplicant *wpa_s) |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1597 | { |
Jouni Malinen | 87fd279 | 2011-05-16 18:35:42 +0300 | [diff] [blame] | 1598 | struct wpa_bss *bss; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1599 | |
| 1600 | if (rsn_preauth_scan_results(wpa_s->wpa) < 0) |
| 1601 | return; |
| 1602 | |
Jouni Malinen | 87fd279 | 2011-05-16 18:35:42 +0300 | [diff] [blame] | 1603 | dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) { |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1604 | const u8 *ssid, *rsn; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1605 | |
Jouni Malinen | 87fd279 | 2011-05-16 18:35:42 +0300 | [diff] [blame] | 1606 | ssid = wpa_bss_get_ie(bss, WLAN_EID_SSID); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1607 | if (ssid == NULL) |
| 1608 | continue; |
| 1609 | |
Jouni Malinen | 87fd279 | 2011-05-16 18:35:42 +0300 | [diff] [blame] | 1610 | rsn = wpa_bss_get_ie(bss, WLAN_EID_RSN); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1611 | if (rsn == NULL) |
| 1612 | continue; |
| 1613 | |
Jouni Malinen | 87fd279 | 2011-05-16 18:35:42 +0300 | [diff] [blame] | 1614 | rsn_preauth_scan_result(wpa_s->wpa, bss->bssid, ssid, rsn); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1615 | } |
| 1616 | |
| 1617 | } |
| 1618 | |
| 1619 | |
| 1620 | static int wpa_supplicant_need_to_roam(struct wpa_supplicant *wpa_s, |
| 1621 | struct wpa_bss *selected, |
Dmitry Shmidt | 9bce59c | 2012-09-11 15:06:38 -0700 | [diff] [blame] | 1622 | struct wpa_ssid *ssid) |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1623 | { |
Dmitry Shmidt | 9bce59c | 2012-09-11 15:06:38 -0700 | [diff] [blame] | 1624 | struct wpa_bss *current_bss = NULL; |
Dmitry Shmidt | 912c6ec | 2015-03-30 13:16:51 -0700 | [diff] [blame] | 1625 | #ifndef CONFIG_NO_ROAMING |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 1626 | int min_diff, diff; |
Dmitry Shmidt | e466304 | 2016-04-04 10:07:49 -0700 | [diff] [blame] | 1627 | int to_5ghz; |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 1628 | int cur_est, sel_est; |
Dmitry Shmidt | 912c6ec | 2015-03-30 13:16:51 -0700 | [diff] [blame] | 1629 | #endif /* CONFIG_NO_ROAMING */ |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1630 | |
| 1631 | if (wpa_s->reassociate) |
| 1632 | return 1; /* explicit request to reassociate */ |
| 1633 | if (wpa_s->wpa_state < WPA_ASSOCIATED) |
| 1634 | return 1; /* we are not associated; continue */ |
| 1635 | if (wpa_s->current_ssid == NULL) |
| 1636 | return 1; /* unknown current SSID */ |
| 1637 | if (wpa_s->current_ssid != ssid) |
| 1638 | return 1; /* different network block */ |
| 1639 | |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 1640 | if (wpas_driver_bss_selection(wpa_s)) |
| 1641 | return 0; /* Driver-based roaming */ |
| 1642 | |
Dmitry Shmidt | 9bce59c | 2012-09-11 15:06:38 -0700 | [diff] [blame] | 1643 | if (wpa_s->current_ssid->ssid) |
| 1644 | current_bss = wpa_bss_get(wpa_s, wpa_s->bssid, |
| 1645 | wpa_s->current_ssid->ssid, |
| 1646 | wpa_s->current_ssid->ssid_len); |
| 1647 | if (!current_bss) |
| 1648 | current_bss = wpa_bss_get_bssid(wpa_s, wpa_s->bssid); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1649 | |
| 1650 | if (!current_bss) |
| 1651 | return 1; /* current BSS not seen in scan results */ |
| 1652 | |
Dmitry Shmidt | 9bce59c | 2012-09-11 15:06:38 -0700 | [diff] [blame] | 1653 | if (current_bss == selected) |
| 1654 | return 0; |
| 1655 | |
| 1656 | if (selected->last_update_idx > current_bss->last_update_idx) |
| 1657 | return 1; /* current BSS not seen in the last scan */ |
| 1658 | |
Dmitry Shmidt | 9e07767 | 2012-04-13 10:07:27 -0700 | [diff] [blame] | 1659 | #ifndef CONFIG_NO_ROAMING |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1660 | wpa_dbg(wpa_s, MSG_DEBUG, "Considering within-ESS reassociation"); |
Dmitry Shmidt | 7f65602 | 2015-02-25 14:36:37 -0800 | [diff] [blame] | 1661 | wpa_dbg(wpa_s, MSG_DEBUG, "Current BSS: " MACSTR |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 1662 | " freq=%d level=%d snr=%d est_throughput=%u", |
| 1663 | MAC2STR(current_bss->bssid), |
| 1664 | current_bss->freq, current_bss->level, |
Dmitry Shmidt | 7f65602 | 2015-02-25 14:36:37 -0800 | [diff] [blame] | 1665 | current_bss->snr, current_bss->est_throughput); |
| 1666 | wpa_dbg(wpa_s, MSG_DEBUG, "Selected BSS: " MACSTR |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 1667 | " freq=%d level=%d snr=%d est_throughput=%u", |
| 1668 | MAC2STR(selected->bssid), selected->freq, selected->level, |
Dmitry Shmidt | 7f65602 | 2015-02-25 14:36:37 -0800 | [diff] [blame] | 1669 | selected->snr, selected->est_throughput); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1670 | |
| 1671 | if (wpa_s->current_ssid->bssid_set && |
| 1672 | os_memcmp(selected->bssid, wpa_s->current_ssid->bssid, ETH_ALEN) == |
| 1673 | 0) { |
| 1674 | wpa_dbg(wpa_s, MSG_DEBUG, "Allow reassociation - selected BSS " |
| 1675 | "has preferred BSSID"); |
| 1676 | return 1; |
| 1677 | } |
| 1678 | |
Dmitry Shmidt | 7f65602 | 2015-02-25 14:36:37 -0800 | [diff] [blame] | 1679 | if (selected->est_throughput > current_bss->est_throughput + 5000) { |
| 1680 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 1681 | "Allow reassociation - selected BSS has better estimated throughput"); |
| 1682 | return 1; |
| 1683 | } |
| 1684 | |
Dmitry Shmidt | e466304 | 2016-04-04 10:07:49 -0700 | [diff] [blame] | 1685 | to_5ghz = selected->freq > 4000 && current_bss->freq < 4000; |
| 1686 | |
| 1687 | if (current_bss->level < 0 && |
| 1688 | current_bss->level > selected->level + to_5ghz * 2) { |
Dmitry Shmidt | d5e4923 | 2012-12-03 15:08:10 -0800 | [diff] [blame] | 1689 | wpa_dbg(wpa_s, MSG_DEBUG, "Skip roam - Current BSS has better " |
| 1690 | "signal level"); |
| 1691 | return 0; |
| 1692 | } |
| 1693 | |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 1694 | if (current_bss->est_throughput > selected->est_throughput + 5000) { |
| 1695 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 1696 | "Skip roam - Current BSS has better estimated throughput"); |
Dmitry Shmidt | ebd93af | 2017-02-21 13:40:44 -0800 | [diff] [blame] | 1697 | return 0; |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 1698 | } |
| 1699 | |
| 1700 | cur_est = current_bss->est_throughput; |
| 1701 | sel_est = selected->est_throughput; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1702 | min_diff = 2; |
| 1703 | if (current_bss->level < 0) { |
| 1704 | if (current_bss->level < -85) |
| 1705 | min_diff = 1; |
| 1706 | else if (current_bss->level < -80) |
| 1707 | min_diff = 2; |
| 1708 | else if (current_bss->level < -75) |
| 1709 | min_diff = 3; |
| 1710 | else if (current_bss->level < -70) |
| 1711 | min_diff = 4; |
| 1712 | else |
| 1713 | min_diff = 5; |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 1714 | if (cur_est > sel_est * 1.5) |
| 1715 | min_diff += 10; |
| 1716 | else if (cur_est > sel_est * 1.2) |
| 1717 | min_diff += 5; |
| 1718 | else if (cur_est > sel_est * 1.1) |
| 1719 | min_diff += 2; |
| 1720 | else if (cur_est > sel_est) |
| 1721 | min_diff++; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1722 | } |
Dmitry Shmidt | e466304 | 2016-04-04 10:07:49 -0700 | [diff] [blame] | 1723 | if (to_5ghz) { |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 1724 | int reduce = 2; |
| 1725 | |
Dmitry Shmidt | e466304 | 2016-04-04 10:07:49 -0700 | [diff] [blame] | 1726 | /* Make it easier to move to 5 GHz band */ |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 1727 | if (sel_est > cur_est * 1.5) |
| 1728 | reduce = 5; |
| 1729 | else if (sel_est > cur_est * 1.2) |
| 1730 | reduce = 4; |
| 1731 | else if (sel_est > cur_est * 1.1) |
| 1732 | reduce = 3; |
| 1733 | |
| 1734 | if (min_diff > reduce) |
| 1735 | min_diff -= reduce; |
Dmitry Shmidt | e466304 | 2016-04-04 10:07:49 -0700 | [diff] [blame] | 1736 | else |
| 1737 | min_diff = 0; |
| 1738 | } |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 1739 | diff = abs(current_bss->level - selected->level); |
| 1740 | if (diff < min_diff) { |
| 1741 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 1742 | "Skip roam - too small difference in signal level (%d < %d)", |
| 1743 | diff, min_diff); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1744 | return 0; |
| 1745 | } |
| 1746 | |
Dmitry Shmidt | abb90a3 | 2016-12-05 15:34:39 -0800 | [diff] [blame] | 1747 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 1748 | "Allow reassociation due to difference in signal level (%d >= %d)", |
| 1749 | diff, min_diff); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1750 | return 1; |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 1751 | #else /* CONFIG_NO_ROAMING */ |
Dmitry Shmidt | efdec2e | 2011-08-16 11:55:46 -0700 | [diff] [blame] | 1752 | return 0; |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 1753 | #endif /* CONFIG_NO_ROAMING */ |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1754 | } |
| 1755 | |
Dmitry Shmidt | c5ec7f5 | 2012-03-06 16:33:24 -0800 | [diff] [blame] | 1756 | |
Dmitry Shmidt | 9839ecd | 2016-11-07 11:05:47 -0800 | [diff] [blame] | 1757 | /* |
| 1758 | * Return a negative value if no scan results could be fetched or if scan |
| 1759 | * results should not be shared with other virtual interfaces. |
| 1760 | * Return 0 if scan results were fetched and may be shared with other |
| 1761 | * interfaces. |
| 1762 | * Return 1 if scan results may be shared with other virtual interfaces but may |
| 1763 | * not trigger any operations. |
| 1764 | * Return 2 if the interface was removed and cannot be used. |
| 1765 | */ |
Dmitry Shmidt | f6c92c4 | 2012-01-26 12:57:43 -0800 | [diff] [blame] | 1766 | static int _wpa_supplicant_event_scan_results(struct wpa_supplicant *wpa_s, |
Dmitry Shmidt | 37d4d6a | 2013-03-18 13:09:42 -0700 | [diff] [blame] | 1767 | union wpa_event_data *data, |
Dmitry Shmidt | 9839ecd | 2016-11-07 11:05:47 -0800 | [diff] [blame] | 1768 | int own_request, int update_only) |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1769 | { |
Dmitry Shmidt | fb79edc | 2014-01-10 10:45:54 -0800 | [diff] [blame] | 1770 | struct wpa_scan_results *scan_res = NULL; |
| 1771 | int ret = 0; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1772 | int ap = 0; |
Dmitry Shmidt | 4530cfd | 2012-09-09 15:20:40 -0700 | [diff] [blame] | 1773 | #ifndef CONFIG_NO_RANDOM_POOL |
| 1774 | size_t i, num; |
| 1775 | #endif /* CONFIG_NO_RANDOM_POOL */ |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1776 | |
| 1777 | #ifdef CONFIG_AP |
| 1778 | if (wpa_s->ap_iface) |
| 1779 | ap = 1; |
| 1780 | #endif /* CONFIG_AP */ |
| 1781 | |
| 1782 | wpa_supplicant_notify_scanning(wpa_s, 0); |
| 1783 | |
| 1784 | scan_res = wpa_supplicant_get_scan_results(wpa_s, |
| 1785 | data ? &data->scan_info : |
| 1786 | NULL, 1); |
| 1787 | if (scan_res == NULL) { |
Dmitry Shmidt | 4b9d52f | 2013-02-05 17:44:43 -0800 | [diff] [blame] | 1788 | if (wpa_s->conf->ap_scan == 2 || ap || |
| 1789 | wpa_s->scan_res_handler == scan_only_handler) |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1790 | return -1; |
Dmitry Shmidt | 37d4d6a | 2013-03-18 13:09:42 -0700 | [diff] [blame] | 1791 | if (!own_request) |
| 1792 | return -1; |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 1793 | if (data && data->scan_info.external_scan) |
| 1794 | return -1; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1795 | wpa_dbg(wpa_s, MSG_DEBUG, "Failed to get scan results - try " |
| 1796 | "scanning again"); |
| 1797 | wpa_supplicant_req_new_scan(wpa_s, 1, 0); |
Dmitry Shmidt | fb79edc | 2014-01-10 10:45:54 -0800 | [diff] [blame] | 1798 | ret = -1; |
| 1799 | goto scan_work_done; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1800 | } |
| 1801 | |
| 1802 | #ifndef CONFIG_NO_RANDOM_POOL |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1803 | num = scan_res->num; |
| 1804 | if (num > 10) |
| 1805 | num = 10; |
| 1806 | for (i = 0; i < num; i++) { |
| 1807 | u8 buf[5]; |
| 1808 | struct wpa_scan_res *res = scan_res->res[i]; |
| 1809 | buf[0] = res->bssid[5]; |
| 1810 | buf[1] = res->qual & 0xff; |
| 1811 | buf[2] = res->noise & 0xff; |
| 1812 | buf[3] = res->level & 0xff; |
| 1813 | buf[4] = res->tsf & 0xff; |
| 1814 | random_add_randomness(buf, sizeof(buf)); |
| 1815 | } |
| 1816 | #endif /* CONFIG_NO_RANDOM_POOL */ |
| 1817 | |
Dmitry Shmidt | 9839ecd | 2016-11-07 11:05:47 -0800 | [diff] [blame] | 1818 | if (update_only) { |
| 1819 | ret = 1; |
| 1820 | goto scan_work_done; |
| 1821 | } |
| 1822 | |
Dmitry Shmidt | fb79edc | 2014-01-10 10:45:54 -0800 | [diff] [blame] | 1823 | if (own_request && wpa_s->scan_res_handler && |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 1824 | !(data && data->scan_info.external_scan)) { |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1825 | void (*scan_res_handler)(struct wpa_supplicant *wpa_s, |
| 1826 | struct wpa_scan_results *scan_res); |
| 1827 | |
| 1828 | scan_res_handler = wpa_s->scan_res_handler; |
| 1829 | wpa_s->scan_res_handler = NULL; |
| 1830 | scan_res_handler(wpa_s, scan_res); |
Dmitry Shmidt | 9839ecd | 2016-11-07 11:05:47 -0800 | [diff] [blame] | 1831 | ret = 1; |
Dmitry Shmidt | fb79edc | 2014-01-10 10:45:54 -0800 | [diff] [blame] | 1832 | goto scan_work_done; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1833 | } |
| 1834 | |
| 1835 | if (ap) { |
| 1836 | wpa_dbg(wpa_s, MSG_DEBUG, "Ignore scan results in AP mode"); |
| 1837 | #ifdef CONFIG_AP |
| 1838 | if (wpa_s->ap_iface->scan_cb) |
| 1839 | wpa_s->ap_iface->scan_cb(wpa_s->ap_iface); |
| 1840 | #endif /* CONFIG_AP */ |
Dmitry Shmidt | fb79edc | 2014-01-10 10:45:54 -0800 | [diff] [blame] | 1841 | goto scan_work_done; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1842 | } |
Dmitry Shmidt | 37d4d6a | 2013-03-18 13:09:42 -0700 | [diff] [blame] | 1843 | |
Dmitry Shmidt | fb79edc | 2014-01-10 10:45:54 -0800 | [diff] [blame] | 1844 | wpa_dbg(wpa_s, MSG_DEBUG, "New scan results available (own=%u ext=%u)", |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 1845 | wpa_s->own_scan_running, |
| 1846 | data ? data->scan_info.external_scan : 0); |
Dmitry Shmidt | fb79edc | 2014-01-10 10:45:54 -0800 | [diff] [blame] | 1847 | if (wpa_s->last_scan_req == MANUAL_SCAN_REQ && |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 1848 | wpa_s->manual_scan_use_id && wpa_s->own_scan_running && |
| 1849 | own_request && !(data && data->scan_info.external_scan)) { |
Dmitry Shmidt | fb79edc | 2014-01-10 10:45:54 -0800 | [diff] [blame] | 1850 | wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_SCAN_RESULTS "id=%u", |
| 1851 | wpa_s->manual_scan_id); |
| 1852 | wpa_s->manual_scan_use_id = 0; |
| 1853 | } else { |
| 1854 | wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_SCAN_RESULTS); |
| 1855 | } |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 1856 | wpas_notify_scan_results(wpa_s); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1857 | |
| 1858 | wpas_notify_scan_done(wpa_s, 1); |
| 1859 | |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 1860 | if (data && data->scan_info.external_scan) { |
Dmitry Shmidt | fb79edc | 2014-01-10 10:45:54 -0800 | [diff] [blame] | 1861 | wpa_dbg(wpa_s, MSG_DEBUG, "Do not use results from externally requested scan operation for network selection"); |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 1862 | wpa_scan_results_free(scan_res); |
| 1863 | return 0; |
| 1864 | } |
| 1865 | |
Dmitry Shmidt | 6c0da2b | 2015-01-05 13:08:17 -0800 | [diff] [blame] | 1866 | if (wnm_scan_process(wpa_s, 1) > 0) |
| 1867 | goto scan_work_done; |
| 1868 | |
Dmitry Shmidt | fb79edc | 2014-01-10 10:45:54 -0800 | [diff] [blame] | 1869 | if (sme_proc_obss_scan(wpa_s) > 0) |
| 1870 | goto scan_work_done; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1871 | |
Dmitry Shmidt | 2933359 | 2017-01-09 12:27:11 -0800 | [diff] [blame] | 1872 | if (own_request && |
| 1873 | wpas_beacon_rep_scan_process(wpa_s, scan_res, &data->scan_info) > 0) |
| 1874 | goto scan_work_done; |
| 1875 | |
Dmitry Shmidt | fb79edc | 2014-01-10 10:45:54 -0800 | [diff] [blame] | 1876 | if ((wpa_s->conf->ap_scan == 2 && !wpas_wps_searching(wpa_s))) |
| 1877 | goto scan_work_done; |
| 1878 | |
| 1879 | if (autoscan_notify_scan(wpa_s, scan_res)) |
| 1880 | goto scan_work_done; |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 1881 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1882 | if (wpa_s->disconnected) { |
| 1883 | wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED); |
Dmitry Shmidt | fb79edc | 2014-01-10 10:45:54 -0800 | [diff] [blame] | 1884 | goto scan_work_done; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1885 | } |
| 1886 | |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 1887 | if (!wpas_driver_bss_selection(wpa_s) && |
Dmitry Shmidt | fb79edc | 2014-01-10 10:45:54 -0800 | [diff] [blame] | 1888 | bgscan_notify_scan(wpa_s, scan_res) == 1) |
| 1889 | goto scan_work_done; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1890 | |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 1891 | wpas_wps_update_ap_info(wpa_s, scan_res); |
| 1892 | |
Dmitry Shmidt | 7d56b75 | 2015-12-22 10:59:44 -0800 | [diff] [blame] | 1893 | if (wpa_s->wpa_state >= WPA_AUTHENTICATING && |
| 1894 | wpa_s->wpa_state < WPA_COMPLETED) |
| 1895 | goto scan_work_done; |
| 1896 | |
Dmitry Shmidt | 9bce59c | 2012-09-11 15:06:38 -0700 | [diff] [blame] | 1897 | wpa_scan_results_free(scan_res); |
| 1898 | |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 1899 | if (own_request && wpa_s->scan_work) { |
Dmitry Shmidt | fb79edc | 2014-01-10 10:45:54 -0800 | [diff] [blame] | 1900 | struct wpa_radio_work *work = wpa_s->scan_work; |
| 1901 | wpa_s->scan_work = NULL; |
| 1902 | radio_work_done(work); |
| 1903 | } |
| 1904 | |
Dmitry Shmidt | e0e48dc | 2013-11-18 12:00:06 -0800 | [diff] [blame] | 1905 | return wpas_select_network_from_last_scan(wpa_s, 1, own_request); |
Dmitry Shmidt | fb79edc | 2014-01-10 10:45:54 -0800 | [diff] [blame] | 1906 | |
| 1907 | scan_work_done: |
| 1908 | wpa_scan_results_free(scan_res); |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 1909 | if (own_request && wpa_s->scan_work) { |
Dmitry Shmidt | fb79edc | 2014-01-10 10:45:54 -0800 | [diff] [blame] | 1910 | struct wpa_radio_work *work = wpa_s->scan_work; |
| 1911 | wpa_s->scan_work = NULL; |
| 1912 | radio_work_done(work); |
| 1913 | } |
| 1914 | return ret; |
Dmitry Shmidt | 9bce59c | 2012-09-11 15:06:38 -0700 | [diff] [blame] | 1915 | } |
| 1916 | |
| 1917 | |
Dmitry Shmidt | 8da800a | 2013-04-24 12:57:01 -0700 | [diff] [blame] | 1918 | static int wpas_select_network_from_last_scan(struct wpa_supplicant *wpa_s, |
Dmitry Shmidt | e0e48dc | 2013-11-18 12:00:06 -0800 | [diff] [blame] | 1919 | int new_scan, int own_request) |
Dmitry Shmidt | 9bce59c | 2012-09-11 15:06:38 -0700 | [diff] [blame] | 1920 | { |
| 1921 | struct wpa_bss *selected; |
| 1922 | struct wpa_ssid *ssid = NULL; |
Dmitry Shmidt | dda10c2 | 2015-03-24 16:05:01 -0700 | [diff] [blame] | 1923 | int time_to_reenable = wpas_reenabled_network_time(wpa_s); |
| 1924 | |
| 1925 | if (time_to_reenable > 0) { |
| 1926 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 1927 | "Postpone network selection by %d seconds since all networks are disabled", |
| 1928 | time_to_reenable); |
| 1929 | eloop_cancel_timeout(wpas_network_reenabled, wpa_s, NULL); |
| 1930 | eloop_register_timeout(time_to_reenable, 0, |
| 1931 | wpas_network_reenabled, wpa_s, NULL); |
| 1932 | return 0; |
| 1933 | } |
Dmitry Shmidt | 9bce59c | 2012-09-11 15:06:38 -0700 | [diff] [blame] | 1934 | |
Dmitry Shmidt | 203eadb | 2015-03-05 14:16:04 -0800 | [diff] [blame] | 1935 | if (wpa_s->p2p_mgmt) |
| 1936 | return 0; /* no normal connection on p2p_mgmt interface */ |
| 1937 | |
Dmitry Shmidt | 9bce59c | 2012-09-11 15:06:38 -0700 | [diff] [blame] | 1938 | selected = wpa_supplicant_pick_network(wpa_s, &ssid); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1939 | |
Dmitry Shmidt | 58d12ad | 2016-07-28 10:07:03 -0700 | [diff] [blame] | 1940 | #ifdef CONFIG_MESH |
| 1941 | if (wpa_s->ifmsh) { |
| 1942 | wpa_msg(wpa_s, MSG_INFO, |
| 1943 | "Avoiding join because we already joined a mesh group"); |
| 1944 | return 0; |
| 1945 | } |
| 1946 | #endif /* CONFIG_MESH */ |
| 1947 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1948 | if (selected) { |
| 1949 | int skip; |
Dmitry Shmidt | 9bce59c | 2012-09-11 15:06:38 -0700 | [diff] [blame] | 1950 | skip = !wpa_supplicant_need_to_roam(wpa_s, selected, ssid); |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 1951 | if (skip) { |
Dmitry Shmidt | 8da800a | 2013-04-24 12:57:01 -0700 | [diff] [blame] | 1952 | if (new_scan) |
| 1953 | wpa_supplicant_rsn_preauth_scan_results(wpa_s); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1954 | return 0; |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 1955 | } |
| 1956 | |
Dmitry Shmidt | 7d56b75 | 2015-12-22 10:59:44 -0800 | [diff] [blame] | 1957 | if (ssid != wpa_s->current_ssid && |
| 1958 | wpa_s->wpa_state >= WPA_AUTHENTICATING) { |
| 1959 | wpa_s->own_disconnect_req = 1; |
| 1960 | wpa_supplicant_deauthenticate( |
| 1961 | wpa_s, WLAN_REASON_DEAUTH_LEAVING); |
| 1962 | } |
| 1963 | |
Dmitry Shmidt | 44da025 | 2011-08-23 12:30:30 -0700 | [diff] [blame] | 1964 | if (wpa_supplicant_connect(wpa_s, selected, ssid) < 0) { |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 1965 | wpa_dbg(wpa_s, MSG_DEBUG, "Connect failed"); |
Dmitry Shmidt | 44da025 | 2011-08-23 12:30:30 -0700 | [diff] [blame] | 1966 | return -1; |
| 1967 | } |
Dmitry Shmidt | 8da800a | 2013-04-24 12:57:01 -0700 | [diff] [blame] | 1968 | if (new_scan) |
| 1969 | wpa_supplicant_rsn_preauth_scan_results(wpa_s); |
Jouni Malinen | 89ca702 | 2012-09-14 13:03:12 -0700 | [diff] [blame] | 1970 | /* |
Dmitry Shmidt | 9839ecd | 2016-11-07 11:05:47 -0800 | [diff] [blame] | 1971 | * Do not allow other virtual radios to trigger operations based |
| 1972 | * on these scan results since we do not want them to start |
| 1973 | * other associations at the same time. |
Jouni Malinen | 89ca702 | 2012-09-14 13:03:12 -0700 | [diff] [blame] | 1974 | */ |
| 1975 | return 1; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1976 | } else { |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1977 | wpa_dbg(wpa_s, MSG_DEBUG, "No suitable network found"); |
| 1978 | ssid = wpa_supplicant_pick_new_network(wpa_s); |
| 1979 | if (ssid) { |
| 1980 | wpa_dbg(wpa_s, MSG_DEBUG, "Setup a new network"); |
| 1981 | wpa_supplicant_associate(wpa_s, NULL, ssid); |
Dmitry Shmidt | 8da800a | 2013-04-24 12:57:01 -0700 | [diff] [blame] | 1982 | if (new_scan) |
| 1983 | wpa_supplicant_rsn_preauth_scan_results(wpa_s); |
Dmitry Shmidt | e0e48dc | 2013-11-18 12:00:06 -0800 | [diff] [blame] | 1984 | } else if (own_request) { |
| 1985 | /* |
| 1986 | * No SSID found. If SCAN results are as a result of |
| 1987 | * own scan request and not due to a scan request on |
| 1988 | * another shared interface, try another scan. |
| 1989 | */ |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1990 | int timeout_sec = wpa_s->scan_interval; |
| 1991 | int timeout_usec = 0; |
| 1992 | #ifdef CONFIG_P2P |
Dmitry Shmidt | 7f65602 | 2015-02-25 14:36:37 -0800 | [diff] [blame] | 1993 | int res; |
| 1994 | |
| 1995 | res = wpas_p2p_scan_no_go_seen(wpa_s); |
| 1996 | if (res == 2) |
| 1997 | return 2; |
| 1998 | if (res == 1) |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 1999 | return 0; |
| 2000 | |
Dmitry Shmidt | fa3fc4a | 2013-11-21 13:34:38 -0800 | [diff] [blame] | 2001 | if (wpa_s->p2p_in_provisioning || |
Dmitry Shmidt | 1590709 | 2014-03-25 10:42:57 -0700 | [diff] [blame] | 2002 | wpa_s->show_group_started || |
| 2003 | wpa_s->p2p_in_invitation) { |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2004 | /* |
| 2005 | * Use shorter wait during P2P Provisioning |
Dmitry Shmidt | fa3fc4a | 2013-11-21 13:34:38 -0800 | [diff] [blame] | 2006 | * state and during P2P join-a-group operation |
| 2007 | * to speed up group formation. |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2008 | */ |
| 2009 | timeout_sec = 0; |
| 2010 | timeout_usec = 250000; |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 2011 | wpa_supplicant_req_new_scan(wpa_s, timeout_sec, |
| 2012 | timeout_usec); |
| 2013 | return 0; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2014 | } |
| 2015 | #endif /* CONFIG_P2P */ |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 2016 | #ifdef CONFIG_INTERWORKING |
| 2017 | if (wpa_s->conf->auto_interworking && |
| 2018 | wpa_s->conf->interworking && |
| 2019 | wpa_s->conf->cred) { |
| 2020 | wpa_dbg(wpa_s, MSG_DEBUG, "Interworking: " |
| 2021 | "start ANQP fetch since no matching " |
| 2022 | "networks found"); |
| 2023 | wpa_s->network_select = 1; |
| 2024 | wpa_s->auto_network_select = 1; |
| 2025 | interworking_start_fetch_anqp(wpa_s); |
Jouni Malinen | 89ca702 | 2012-09-14 13:03:12 -0700 | [diff] [blame] | 2026 | return 1; |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 2027 | } |
| 2028 | #endif /* CONFIG_INTERWORKING */ |
Dmitry Shmidt | fb79edc | 2014-01-10 10:45:54 -0800 | [diff] [blame] | 2029 | #ifdef CONFIG_WPS |
| 2030 | if (wpa_s->after_wps > 0 || wpas_wps_searching(wpa_s)) { |
| 2031 | wpa_dbg(wpa_s, MSG_DEBUG, "Use shorter wait during WPS processing"); |
| 2032 | timeout_sec = 0; |
| 2033 | timeout_usec = 500000; |
| 2034 | wpa_supplicant_req_new_scan(wpa_s, timeout_sec, |
| 2035 | timeout_usec); |
| 2036 | return 0; |
| 2037 | } |
| 2038 | #endif /* CONFIG_WPS */ |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 2039 | if (wpa_supplicant_req_sched_scan(wpa_s)) |
| 2040 | wpa_supplicant_req_new_scan(wpa_s, timeout_sec, |
| 2041 | timeout_usec); |
Dmitry Shmidt | 4171258 | 2015-06-29 11:02:15 -0700 | [diff] [blame] | 2042 | |
| 2043 | wpa_msg_ctrl(wpa_s, MSG_INFO, |
| 2044 | WPA_EVENT_NETWORK_NOT_FOUND); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2045 | } |
| 2046 | } |
| 2047 | return 0; |
| 2048 | } |
| 2049 | |
| 2050 | |
Dmitry Shmidt | 7f65602 | 2015-02-25 14:36:37 -0800 | [diff] [blame] | 2051 | static int wpa_supplicant_event_scan_results(struct wpa_supplicant *wpa_s, |
| 2052 | union wpa_event_data *data) |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2053 | { |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2054 | struct wpa_supplicant *ifs; |
Dmitry Shmidt | 7f65602 | 2015-02-25 14:36:37 -0800 | [diff] [blame] | 2055 | int res; |
Dmitry Shmidt | 37d4d6a | 2013-03-18 13:09:42 -0700 | [diff] [blame] | 2056 | |
Dmitry Shmidt | 9839ecd | 2016-11-07 11:05:47 -0800 | [diff] [blame] | 2057 | res = _wpa_supplicant_event_scan_results(wpa_s, data, 1, 0); |
Dmitry Shmidt | 7f65602 | 2015-02-25 14:36:37 -0800 | [diff] [blame] | 2058 | if (res == 2) { |
| 2059 | /* |
| 2060 | * Interface may have been removed, so must not dereference |
| 2061 | * wpa_s after this. |
| 2062 | */ |
| 2063 | return 1; |
| 2064 | } |
Dmitry Shmidt | 9839ecd | 2016-11-07 11:05:47 -0800 | [diff] [blame] | 2065 | |
| 2066 | if (res < 0) { |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2067 | /* |
| 2068 | * If no scan results could be fetched, then no need to |
| 2069 | * notify those interfaces that did not actually request |
Jouni Malinen | 89ca702 | 2012-09-14 13:03:12 -0700 | [diff] [blame] | 2070 | * this scan. Similarly, if scan results started a new operation on this |
| 2071 | * interface, do not notify other interfaces to avoid concurrent |
| 2072 | * operations during a connection attempt. |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2073 | */ |
Dmitry Shmidt | 7f65602 | 2015-02-25 14:36:37 -0800 | [diff] [blame] | 2074 | return 0; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2075 | } |
| 2076 | |
| 2077 | /* |
Dmitry Shmidt | 01904cf | 2013-12-05 11:08:35 -0800 | [diff] [blame] | 2078 | * Check other interfaces to see if they share the same radio. If |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2079 | * so, they get updated with this same scan info. |
| 2080 | */ |
Dmitry Shmidt | 01904cf | 2013-12-05 11:08:35 -0800 | [diff] [blame] | 2081 | dl_list_for_each(ifs, &wpa_s->radio->ifaces, struct wpa_supplicant, |
| 2082 | radio_list) { |
| 2083 | if (ifs != wpa_s) { |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2084 | wpa_printf(MSG_DEBUG, "%s: Updating scan results from " |
| 2085 | "sibling", ifs->ifname); |
Dmitry Shmidt | 9839ecd | 2016-11-07 11:05:47 -0800 | [diff] [blame] | 2086 | res = _wpa_supplicant_event_scan_results(ifs, data, 0, |
| 2087 | res > 0); |
| 2088 | if (res < 0) |
| 2089 | return 0; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2090 | } |
| 2091 | } |
Dmitry Shmidt | 7f65602 | 2015-02-25 14:36:37 -0800 | [diff] [blame] | 2092 | |
| 2093 | return 0; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2094 | } |
| 2095 | |
| 2096 | #endif /* CONFIG_NO_SCAN_PROCESSING */ |
| 2097 | |
| 2098 | |
Dmitry Shmidt | 4b9d52f | 2013-02-05 17:44:43 -0800 | [diff] [blame] | 2099 | int wpa_supplicant_fast_associate(struct wpa_supplicant *wpa_s) |
| 2100 | { |
| 2101 | #ifdef CONFIG_NO_SCAN_PROCESSING |
| 2102 | return -1; |
| 2103 | #else /* CONFIG_NO_SCAN_PROCESSING */ |
Dmitry Shmidt | fb79edc | 2014-01-10 10:45:54 -0800 | [diff] [blame] | 2104 | struct os_reltime now; |
Dmitry Shmidt | 4b9d52f | 2013-02-05 17:44:43 -0800 | [diff] [blame] | 2105 | |
Dmitry Shmidt | 2933359 | 2017-01-09 12:27:11 -0800 | [diff] [blame] | 2106 | wpa_s->ignore_post_flush_scan_res = 0; |
| 2107 | |
Dmitry Shmidt | 4171258 | 2015-06-29 11:02:15 -0700 | [diff] [blame] | 2108 | if (wpa_s->last_scan_res_used == 0) |
Dmitry Shmidt | 4b9d52f | 2013-02-05 17:44:43 -0800 | [diff] [blame] | 2109 | return -1; |
| 2110 | |
Dmitry Shmidt | fb79edc | 2014-01-10 10:45:54 -0800 | [diff] [blame] | 2111 | os_get_reltime(&now); |
| 2112 | if (os_reltime_expired(&now, &wpa_s->last_scan, 5)) { |
Dmitry Shmidt | 4b9d52f | 2013-02-05 17:44:43 -0800 | [diff] [blame] | 2113 | wpa_printf(MSG_DEBUG, "Fast associate: Old scan results"); |
| 2114 | return -1; |
| 2115 | } |
| 2116 | |
Dmitry Shmidt | e0e48dc | 2013-11-18 12:00:06 -0800 | [diff] [blame] | 2117 | return wpas_select_network_from_last_scan(wpa_s, 0, 1); |
Dmitry Shmidt | 4b9d52f | 2013-02-05 17:44:43 -0800 | [diff] [blame] | 2118 | #endif /* CONFIG_NO_SCAN_PROCESSING */ |
| 2119 | } |
| 2120 | |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 2121 | #ifdef CONFIG_WNM |
| 2122 | |
| 2123 | static void wnm_bss_keep_alive(void *eloop_ctx, void *sock_ctx) |
| 2124 | { |
| 2125 | struct wpa_supplicant *wpa_s = eloop_ctx; |
| 2126 | |
| 2127 | if (wpa_s->wpa_state < WPA_ASSOCIATED) |
| 2128 | return; |
| 2129 | |
Dmitry Shmidt | a54fa5f | 2013-01-15 13:53:35 -0800 | [diff] [blame] | 2130 | if (!wpa_s->no_keep_alive) { |
| 2131 | wpa_printf(MSG_DEBUG, "WNM: Send keep-alive to AP " MACSTR, |
| 2132 | MAC2STR(wpa_s->bssid)); |
| 2133 | /* TODO: could skip this if normal data traffic has been sent */ |
| 2134 | /* TODO: Consider using some more appropriate data frame for |
| 2135 | * this */ |
| 2136 | if (wpa_s->l2) |
| 2137 | l2_packet_send(wpa_s->l2, wpa_s->bssid, 0x0800, |
| 2138 | (u8 *) "", 0); |
| 2139 | } |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 2140 | |
| 2141 | #ifdef CONFIG_SME |
| 2142 | if (wpa_s->sme.bss_max_idle_period) { |
| 2143 | unsigned int msec; |
| 2144 | msec = wpa_s->sme.bss_max_idle_period * 1024; /* times 1000 */ |
| 2145 | if (msec > 100) |
| 2146 | msec -= 100; |
| 2147 | eloop_register_timeout(msec / 1000, msec % 1000 * 1000, |
| 2148 | wnm_bss_keep_alive, wpa_s, NULL); |
| 2149 | } |
| 2150 | #endif /* CONFIG_SME */ |
| 2151 | } |
| 2152 | |
| 2153 | |
| 2154 | static void wnm_process_assoc_resp(struct wpa_supplicant *wpa_s, |
| 2155 | const u8 *ies, size_t ies_len) |
| 2156 | { |
| 2157 | struct ieee802_11_elems elems; |
| 2158 | |
| 2159 | if (ies == NULL) |
| 2160 | return; |
| 2161 | |
| 2162 | if (ieee802_11_parse_elems(ies, ies_len, &elems, 1) == ParseFailed) |
| 2163 | return; |
| 2164 | |
| 2165 | #ifdef CONFIG_SME |
| 2166 | if (elems.bss_max_idle_period) { |
| 2167 | unsigned int msec; |
| 2168 | wpa_s->sme.bss_max_idle_period = |
| 2169 | WPA_GET_LE16(elems.bss_max_idle_period); |
| 2170 | wpa_printf(MSG_DEBUG, "WNM: BSS Max Idle Period: %u (* 1000 " |
| 2171 | "TU)%s", wpa_s->sme.bss_max_idle_period, |
| 2172 | (elems.bss_max_idle_period[2] & 0x01) ? |
| 2173 | " (protected keep-live required)" : ""); |
| 2174 | if (wpa_s->sme.bss_max_idle_period == 0) |
| 2175 | wpa_s->sme.bss_max_idle_period = 1; |
| 2176 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) { |
| 2177 | eloop_cancel_timeout(wnm_bss_keep_alive, wpa_s, NULL); |
| 2178 | /* msec times 1000 */ |
| 2179 | msec = wpa_s->sme.bss_max_idle_period * 1024; |
| 2180 | if (msec > 100) |
| 2181 | msec -= 100; |
| 2182 | eloop_register_timeout(msec / 1000, msec % 1000 * 1000, |
| 2183 | wnm_bss_keep_alive, wpa_s, |
| 2184 | NULL); |
| 2185 | } |
| 2186 | } |
| 2187 | #endif /* CONFIG_SME */ |
| 2188 | } |
| 2189 | |
| 2190 | #endif /* CONFIG_WNM */ |
| 2191 | |
| 2192 | |
| 2193 | void wnm_bss_keep_alive_deinit(struct wpa_supplicant *wpa_s) |
| 2194 | { |
| 2195 | #ifdef CONFIG_WNM |
| 2196 | eloop_cancel_timeout(wnm_bss_keep_alive, wpa_s, NULL); |
| 2197 | #endif /* CONFIG_WNM */ |
| 2198 | } |
| 2199 | |
| 2200 | |
Dmitry Shmidt | 051af73 | 2013-10-22 13:52:46 -0700 | [diff] [blame] | 2201 | #ifdef CONFIG_INTERWORKING |
| 2202 | |
| 2203 | static int wpas_qos_map_set(struct wpa_supplicant *wpa_s, const u8 *qos_map, |
| 2204 | size_t len) |
| 2205 | { |
| 2206 | int res; |
| 2207 | |
| 2208 | wpa_hexdump(MSG_DEBUG, "Interworking: QoS Map Set", qos_map, len); |
| 2209 | res = wpa_drv_set_qos_map(wpa_s, qos_map, len); |
| 2210 | if (res) { |
| 2211 | wpa_printf(MSG_DEBUG, "Interworking: Failed to configure QoS Map Set to the driver"); |
| 2212 | } |
| 2213 | |
| 2214 | return res; |
| 2215 | } |
| 2216 | |
| 2217 | |
| 2218 | static void interworking_process_assoc_resp(struct wpa_supplicant *wpa_s, |
| 2219 | const u8 *ies, size_t ies_len) |
| 2220 | { |
| 2221 | struct ieee802_11_elems elems; |
| 2222 | |
| 2223 | if (ies == NULL) |
| 2224 | return; |
| 2225 | |
| 2226 | if (ieee802_11_parse_elems(ies, ies_len, &elems, 1) == ParseFailed) |
| 2227 | return; |
| 2228 | |
| 2229 | if (elems.qos_map_set) { |
| 2230 | wpas_qos_map_set(wpa_s, elems.qos_map_set, |
| 2231 | elems.qos_map_set_len); |
| 2232 | } |
| 2233 | } |
| 2234 | |
| 2235 | #endif /* CONFIG_INTERWORKING */ |
| 2236 | |
| 2237 | |
Dmitry Shmidt | d7ff03d | 2015-12-04 14:49:35 -0800 | [diff] [blame] | 2238 | #ifdef CONFIG_FST |
| 2239 | static int wpas_fst_update_mbie(struct wpa_supplicant *wpa_s, |
| 2240 | const u8 *ie, size_t ie_len) |
| 2241 | { |
| 2242 | struct mb_ies_info mb_ies; |
| 2243 | |
| 2244 | if (!ie || !ie_len || !wpa_s->fst) |
| 2245 | return -ENOENT; |
| 2246 | |
| 2247 | os_memset(&mb_ies, 0, sizeof(mb_ies)); |
| 2248 | |
| 2249 | while (ie_len >= 2 && mb_ies.nof_ies < MAX_NOF_MB_IES_SUPPORTED) { |
| 2250 | size_t len; |
| 2251 | |
| 2252 | len = 2 + ie[1]; |
| 2253 | if (len > ie_len) { |
| 2254 | wpa_hexdump(MSG_DEBUG, "FST: Truncated IE found", |
| 2255 | ie, ie_len); |
| 2256 | break; |
| 2257 | } |
| 2258 | |
| 2259 | if (ie[0] == WLAN_EID_MULTI_BAND) { |
| 2260 | wpa_printf(MSG_DEBUG, "MB IE of %u bytes found", |
| 2261 | (unsigned int) len); |
| 2262 | mb_ies.ies[mb_ies.nof_ies].ie = ie + 2; |
| 2263 | mb_ies.ies[mb_ies.nof_ies].ie_len = len - 2; |
| 2264 | mb_ies.nof_ies++; |
| 2265 | } |
| 2266 | |
| 2267 | ie_len -= len; |
| 2268 | ie += len; |
| 2269 | } |
| 2270 | |
| 2271 | if (mb_ies.nof_ies > 0) { |
| 2272 | wpabuf_free(wpa_s->received_mb_ies); |
| 2273 | wpa_s->received_mb_ies = mb_ies_by_info(&mb_ies); |
| 2274 | return 0; |
| 2275 | } |
| 2276 | |
| 2277 | return -ENOENT; |
| 2278 | } |
| 2279 | #endif /* CONFIG_FST */ |
| 2280 | |
| 2281 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2282 | static int wpa_supplicant_event_associnfo(struct wpa_supplicant *wpa_s, |
| 2283 | union wpa_event_data *data) |
| 2284 | { |
| 2285 | int l, len, found = 0, wpa_found, rsn_found; |
| 2286 | const u8 *p; |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 2287 | #if defined(CONFIG_IEEE80211R) || defined(CONFIG_OWE) |
Dmitry Shmidt | 700a137 | 2013-03-15 14:14:44 -0700 | [diff] [blame] | 2288 | u8 bssid[ETH_ALEN]; |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 2289 | #endif /* CONFIG_IEEE80211R || CONFIG_OWE */ |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2290 | |
| 2291 | wpa_dbg(wpa_s, MSG_DEBUG, "Association info event"); |
| 2292 | if (data->assoc_info.req_ies) |
| 2293 | wpa_hexdump(MSG_DEBUG, "req_ies", data->assoc_info.req_ies, |
| 2294 | data->assoc_info.req_ies_len); |
| 2295 | if (data->assoc_info.resp_ies) { |
| 2296 | wpa_hexdump(MSG_DEBUG, "resp_ies", data->assoc_info.resp_ies, |
| 2297 | data->assoc_info.resp_ies_len); |
| 2298 | #ifdef CONFIG_TDLS |
| 2299 | wpa_tdls_assoc_resp_ies(wpa_s->wpa, data->assoc_info.resp_ies, |
| 2300 | data->assoc_info.resp_ies_len); |
| 2301 | #endif /* CONFIG_TDLS */ |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 2302 | #ifdef CONFIG_WNM |
| 2303 | wnm_process_assoc_resp(wpa_s, data->assoc_info.resp_ies, |
| 2304 | data->assoc_info.resp_ies_len); |
| 2305 | #endif /* CONFIG_WNM */ |
Dmitry Shmidt | 051af73 | 2013-10-22 13:52:46 -0700 | [diff] [blame] | 2306 | #ifdef CONFIG_INTERWORKING |
| 2307 | interworking_process_assoc_resp(wpa_s, data->assoc_info.resp_ies, |
| 2308 | data->assoc_info.resp_ies_len); |
| 2309 | #endif /* CONFIG_INTERWORKING */ |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 2310 | if (wpa_s->hw_capab == CAPAB_VHT && |
| 2311 | get_ie(data->assoc_info.resp_ies, |
| 2312 | data->assoc_info.resp_ies_len, WLAN_EID_VHT_CAP)) |
| 2313 | wpa_s->ieee80211ac = 1; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2314 | } |
| 2315 | if (data->assoc_info.beacon_ies) |
| 2316 | wpa_hexdump(MSG_DEBUG, "beacon_ies", |
| 2317 | data->assoc_info.beacon_ies, |
| 2318 | data->assoc_info.beacon_ies_len); |
| 2319 | if (data->assoc_info.freq) |
| 2320 | wpa_dbg(wpa_s, MSG_DEBUG, "freq=%u MHz", |
| 2321 | data->assoc_info.freq); |
| 2322 | |
| 2323 | p = data->assoc_info.req_ies; |
| 2324 | l = data->assoc_info.req_ies_len; |
| 2325 | |
| 2326 | /* Go through the IEs and make a copy of the WPA/RSN IE, if present. */ |
| 2327 | while (p && l >= 2) { |
| 2328 | len = p[1] + 2; |
| 2329 | if (len > l) { |
| 2330 | wpa_hexdump(MSG_DEBUG, "Truncated IE in assoc_info", |
| 2331 | p, l); |
| 2332 | break; |
| 2333 | } |
| 2334 | if ((p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 6 && |
| 2335 | (os_memcmp(&p[2], "\x00\x50\xF2\x01\x01\x00", 6) == 0)) || |
Dmitry Shmidt | e466304 | 2016-04-04 10:07:49 -0700 | [diff] [blame] | 2336 | (p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 4 && |
| 2337 | (os_memcmp(&p[2], "\x50\x6F\x9A\x12", 4) == 0)) || |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2338 | (p[0] == WLAN_EID_RSN && p[1] >= 2)) { |
| 2339 | if (wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, p, len)) |
| 2340 | break; |
| 2341 | found = 1; |
| 2342 | wpa_find_assoc_pmkid(wpa_s); |
| 2343 | break; |
| 2344 | } |
| 2345 | l -= len; |
| 2346 | p += len; |
| 2347 | } |
| 2348 | if (!found && data->assoc_info.req_ies) |
| 2349 | wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, NULL, 0); |
| 2350 | |
Dmitry Shmidt | 9839ecd | 2016-11-07 11:05:47 -0800 | [diff] [blame] | 2351 | #ifdef CONFIG_FILS |
| 2352 | #ifdef CONFIG_SME |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 2353 | if ((wpa_s->sme.auth_alg == WPA_AUTH_ALG_FILS || |
| 2354 | wpa_s->sme.auth_alg == WPA_AUTH_ALG_FILS_SK_PFS) && |
Dmitry Shmidt | 9839ecd | 2016-11-07 11:05:47 -0800 | [diff] [blame] | 2355 | (!data->assoc_info.resp_frame || |
| 2356 | fils_process_assoc_resp(wpa_s->wpa, |
| 2357 | data->assoc_info.resp_frame, |
| 2358 | data->assoc_info.resp_frame_len) < 0)) { |
| 2359 | wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_UNSPECIFIED); |
| 2360 | return -1; |
| 2361 | } |
| 2362 | #endif /* CONFIG_SME */ |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 2363 | |
| 2364 | /* Additional processing for FILS when SME is in driver */ |
| 2365 | if (wpa_s->auth_alg == WPA_AUTH_ALG_FILS && |
| 2366 | !(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)) |
| 2367 | wpa_sm_set_reset_fils_completed(wpa_s->wpa, 1); |
Dmitry Shmidt | 9839ecd | 2016-11-07 11:05:47 -0800 | [diff] [blame] | 2368 | #endif /* CONFIG_FILS */ |
| 2369 | |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 2370 | #ifdef CONFIG_OWE |
| 2371 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_OWE && |
| 2372 | (wpa_drv_get_bssid(wpa_s, bssid) < 0 || |
| 2373 | owe_process_assoc_resp(wpa_s->wpa, bssid, |
| 2374 | data->assoc_info.resp_ies, |
| 2375 | data->assoc_info.resp_ies_len) < 0)) { |
| 2376 | wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_UNSPECIFIED); |
| 2377 | return -1; |
| 2378 | } |
| 2379 | #endif /* CONFIG_OWE */ |
| 2380 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2381 | #ifdef CONFIG_IEEE80211R |
| 2382 | #ifdef CONFIG_SME |
| 2383 | if (wpa_s->sme.auth_alg == WPA_AUTH_ALG_FT) { |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2384 | if (wpa_drv_get_bssid(wpa_s, bssid) < 0 || |
| 2385 | wpa_ft_validate_reassoc_resp(wpa_s->wpa, |
| 2386 | data->assoc_info.resp_ies, |
| 2387 | data->assoc_info.resp_ies_len, |
| 2388 | bssid) < 0) { |
| 2389 | wpa_dbg(wpa_s, MSG_DEBUG, "FT: Validation of " |
| 2390 | "Reassociation Response failed"); |
| 2391 | wpa_supplicant_deauthenticate( |
| 2392 | wpa_s, WLAN_REASON_INVALID_IE); |
| 2393 | return -1; |
| 2394 | } |
| 2395 | } |
| 2396 | |
| 2397 | p = data->assoc_info.resp_ies; |
| 2398 | l = data->assoc_info.resp_ies_len; |
| 2399 | |
| 2400 | #ifdef CONFIG_WPS_STRICT |
| 2401 | if (p && wpa_s->current_ssid && |
| 2402 | wpa_s->current_ssid->key_mgmt == WPA_KEY_MGMT_WPS) { |
| 2403 | struct wpabuf *wps; |
| 2404 | wps = ieee802_11_vendor_ie_concat(p, l, WPS_IE_VENDOR_TYPE); |
| 2405 | if (wps == NULL) { |
| 2406 | wpa_msg(wpa_s, MSG_INFO, "WPS-STRICT: AP did not " |
| 2407 | "include WPS IE in (Re)Association Response"); |
| 2408 | return -1; |
| 2409 | } |
| 2410 | |
| 2411 | if (wps_validate_assoc_resp(wps) < 0) { |
| 2412 | wpabuf_free(wps); |
| 2413 | wpa_supplicant_deauthenticate( |
| 2414 | wpa_s, WLAN_REASON_INVALID_IE); |
| 2415 | return -1; |
| 2416 | } |
| 2417 | wpabuf_free(wps); |
| 2418 | } |
| 2419 | #endif /* CONFIG_WPS_STRICT */ |
| 2420 | |
| 2421 | /* Go through the IEs and make a copy of the MDIE, if present. */ |
| 2422 | while (p && l >= 2) { |
| 2423 | len = p[1] + 2; |
| 2424 | if (len > l) { |
| 2425 | wpa_hexdump(MSG_DEBUG, "Truncated IE in assoc_info", |
| 2426 | p, l); |
| 2427 | break; |
| 2428 | } |
| 2429 | if (p[0] == WLAN_EID_MOBILITY_DOMAIN && |
| 2430 | p[1] >= MOBILITY_DOMAIN_ID_LEN) { |
| 2431 | wpa_s->sme.ft_used = 1; |
| 2432 | os_memcpy(wpa_s->sme.mobility_domain, p + 2, |
| 2433 | MOBILITY_DOMAIN_ID_LEN); |
| 2434 | break; |
| 2435 | } |
| 2436 | l -= len; |
| 2437 | p += len; |
| 2438 | } |
| 2439 | #endif /* CONFIG_SME */ |
| 2440 | |
Dmitry Shmidt | 700a137 | 2013-03-15 14:14:44 -0700 | [diff] [blame] | 2441 | /* Process FT when SME is in the driver */ |
| 2442 | if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) && |
| 2443 | wpa_ft_is_completed(wpa_s->wpa)) { |
| 2444 | if (wpa_drv_get_bssid(wpa_s, bssid) < 0 || |
| 2445 | wpa_ft_validate_reassoc_resp(wpa_s->wpa, |
| 2446 | data->assoc_info.resp_ies, |
| 2447 | data->assoc_info.resp_ies_len, |
| 2448 | bssid) < 0) { |
| 2449 | wpa_dbg(wpa_s, MSG_DEBUG, "FT: Validation of " |
| 2450 | "Reassociation Response failed"); |
| 2451 | wpa_supplicant_deauthenticate( |
| 2452 | wpa_s, WLAN_REASON_INVALID_IE); |
| 2453 | return -1; |
| 2454 | } |
| 2455 | wpa_dbg(wpa_s, MSG_DEBUG, "FT: Reassociation Response done"); |
| 2456 | } |
| 2457 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2458 | wpa_sm_set_ft_params(wpa_s->wpa, data->assoc_info.resp_ies, |
| 2459 | data->assoc_info.resp_ies_len); |
| 2460 | #endif /* CONFIG_IEEE80211R */ |
| 2461 | |
| 2462 | /* WPA/RSN IE from Beacon/ProbeResp */ |
| 2463 | p = data->assoc_info.beacon_ies; |
| 2464 | l = data->assoc_info.beacon_ies_len; |
| 2465 | |
| 2466 | /* Go through the IEs and make a copy of the WPA/RSN IEs, if present. |
| 2467 | */ |
| 2468 | wpa_found = rsn_found = 0; |
| 2469 | while (p && l >= 2) { |
| 2470 | len = p[1] + 2; |
| 2471 | if (len > l) { |
| 2472 | wpa_hexdump(MSG_DEBUG, "Truncated IE in beacon_ies", |
| 2473 | p, l); |
| 2474 | break; |
| 2475 | } |
| 2476 | if (!wpa_found && |
| 2477 | p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 6 && |
| 2478 | os_memcmp(&p[2], "\x00\x50\xF2\x01\x01\x00", 6) == 0) { |
| 2479 | wpa_found = 1; |
| 2480 | wpa_sm_set_ap_wpa_ie(wpa_s->wpa, p, len); |
| 2481 | } |
| 2482 | |
| 2483 | if (!rsn_found && |
| 2484 | p[0] == WLAN_EID_RSN && p[1] >= 2) { |
| 2485 | rsn_found = 1; |
| 2486 | wpa_sm_set_ap_rsn_ie(wpa_s->wpa, p, len); |
| 2487 | } |
| 2488 | |
| 2489 | l -= len; |
| 2490 | p += len; |
| 2491 | } |
| 2492 | |
| 2493 | if (!wpa_found && data->assoc_info.beacon_ies) |
| 2494 | wpa_sm_set_ap_wpa_ie(wpa_s->wpa, NULL, 0); |
| 2495 | if (!rsn_found && data->assoc_info.beacon_ies) |
| 2496 | wpa_sm_set_ap_rsn_ie(wpa_s->wpa, NULL, 0); |
| 2497 | if (wpa_found || rsn_found) |
| 2498 | wpa_s->ap_ies_from_associnfo = 1; |
| 2499 | |
Jouni Malinen | 87fd279 | 2011-05-16 18:35:42 +0300 | [diff] [blame] | 2500 | if (wpa_s->assoc_freq && data->assoc_info.freq && |
| 2501 | wpa_s->assoc_freq != data->assoc_info.freq) { |
| 2502 | wpa_printf(MSG_DEBUG, "Operating frequency changed from " |
| 2503 | "%u to %u MHz", |
| 2504 | wpa_s->assoc_freq, data->assoc_info.freq); |
| 2505 | wpa_supplicant_update_scan_results(wpa_s); |
| 2506 | } |
| 2507 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2508 | wpa_s->assoc_freq = data->assoc_info.freq; |
| 2509 | |
| 2510 | return 0; |
| 2511 | } |
| 2512 | |
| 2513 | |
Dmitry Shmidt | c5ec7f5 | 2012-03-06 16:33:24 -0800 | [diff] [blame] | 2514 | static int wpa_supplicant_assoc_update_ie(struct wpa_supplicant *wpa_s) |
| 2515 | { |
| 2516 | const u8 *bss_wpa = NULL, *bss_rsn = NULL; |
| 2517 | |
| 2518 | if (!wpa_s->current_bss || !wpa_s->current_ssid) |
| 2519 | return -1; |
| 2520 | |
| 2521 | if (!wpa_key_mgmt_wpa_any(wpa_s->current_ssid->key_mgmt)) |
| 2522 | return 0; |
| 2523 | |
| 2524 | bss_wpa = wpa_bss_get_vendor_ie(wpa_s->current_bss, |
| 2525 | WPA_IE_VENDOR_TYPE); |
| 2526 | bss_rsn = wpa_bss_get_ie(wpa_s->current_bss, WLAN_EID_RSN); |
| 2527 | |
| 2528 | if (wpa_sm_set_ap_wpa_ie(wpa_s->wpa, bss_wpa, |
| 2529 | bss_wpa ? 2 + bss_wpa[1] : 0) || |
| 2530 | wpa_sm_set_ap_rsn_ie(wpa_s->wpa, bss_rsn, |
| 2531 | bss_rsn ? 2 + bss_rsn[1] : 0)) |
| 2532 | return -1; |
| 2533 | |
| 2534 | return 0; |
| 2535 | } |
| 2536 | |
| 2537 | |
Dmitry Shmidt | d7ff03d | 2015-12-04 14:49:35 -0800 | [diff] [blame] | 2538 | static void wpas_fst_update_mb_assoc(struct wpa_supplicant *wpa_s, |
| 2539 | union wpa_event_data *data) |
| 2540 | { |
| 2541 | #ifdef CONFIG_FST |
| 2542 | struct assoc_info *ai = data ? &data->assoc_info : NULL; |
| 2543 | struct wpa_bss *bss = wpa_s->current_bss; |
| 2544 | const u8 *ieprb, *iebcn; |
| 2545 | |
| 2546 | wpabuf_free(wpa_s->received_mb_ies); |
| 2547 | wpa_s->received_mb_ies = NULL; |
| 2548 | |
| 2549 | if (ai && |
| 2550 | !wpas_fst_update_mbie(wpa_s, ai->resp_ies, ai->resp_ies_len)) { |
| 2551 | wpa_printf(MSG_DEBUG, |
| 2552 | "FST: MB IEs updated from Association Response frame"); |
| 2553 | return; |
| 2554 | } |
| 2555 | |
| 2556 | if (ai && |
| 2557 | !wpas_fst_update_mbie(wpa_s, ai->beacon_ies, ai->beacon_ies_len)) { |
| 2558 | wpa_printf(MSG_DEBUG, |
| 2559 | "FST: MB IEs updated from association event Beacon IEs"); |
| 2560 | return; |
| 2561 | } |
| 2562 | |
| 2563 | if (!bss) |
| 2564 | return; |
| 2565 | |
| 2566 | ieprb = (const u8 *) (bss + 1); |
| 2567 | iebcn = ieprb + bss->ie_len; |
| 2568 | |
| 2569 | if (!wpas_fst_update_mbie(wpa_s, ieprb, bss->ie_len)) |
| 2570 | wpa_printf(MSG_DEBUG, "FST: MB IEs updated from bss IE"); |
| 2571 | else if (!wpas_fst_update_mbie(wpa_s, iebcn, bss->beacon_ie_len)) |
| 2572 | wpa_printf(MSG_DEBUG, "FST: MB IEs updated from bss beacon IE"); |
| 2573 | #endif /* CONFIG_FST */ |
| 2574 | } |
| 2575 | |
| 2576 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2577 | static void wpa_supplicant_event_assoc(struct wpa_supplicant *wpa_s, |
| 2578 | union wpa_event_data *data) |
| 2579 | { |
| 2580 | u8 bssid[ETH_ALEN]; |
Dmitry Shmidt | 7f2c753 | 2016-08-15 09:48:12 -0700 | [diff] [blame] | 2581 | int ft_completed, already_authorized; |
Amarnath Hullur Subramanyam | a82c83c | 2015-09-18 06:57:06 -0700 | [diff] [blame] | 2582 | int new_bss = 0; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2583 | |
| 2584 | #ifdef CONFIG_AP |
| 2585 | if (wpa_s->ap_iface) { |
Dmitry Shmidt | 09f57ba | 2014-06-10 16:07:13 -0700 | [diff] [blame] | 2586 | if (!data) |
| 2587 | return; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2588 | hostapd_notif_assoc(wpa_s->ap_iface->bss[0], |
| 2589 | data->assoc_info.addr, |
| 2590 | data->assoc_info.req_ies, |
| 2591 | data->assoc_info.req_ies_len, |
| 2592 | data->assoc_info.reassoc); |
| 2593 | return; |
| 2594 | } |
| 2595 | #endif /* CONFIG_AP */ |
| 2596 | |
Dmitry Shmidt | dda10c2 | 2015-03-24 16:05:01 -0700 | [diff] [blame] | 2597 | eloop_cancel_timeout(wpas_network_reenabled, wpa_s, NULL); |
| 2598 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2599 | ft_completed = wpa_ft_is_completed(wpa_s->wpa); |
| 2600 | if (data && wpa_supplicant_event_associnfo(wpa_s, data) < 0) |
| 2601 | return; |
Dmitry Shmidt | 9839ecd | 2016-11-07 11:05:47 -0800 | [diff] [blame] | 2602 | /* |
| 2603 | * FILS authentication can share the same mechanism to mark the |
| 2604 | * connection fully authenticated, so set ft_completed also based on |
| 2605 | * FILS result. |
| 2606 | */ |
| 2607 | if (!ft_completed) |
| 2608 | ft_completed = wpa_fils_is_completed(wpa_s->wpa); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2609 | |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 2610 | if (wpa_drv_get_bssid(wpa_s, bssid) < 0) { |
| 2611 | wpa_dbg(wpa_s, MSG_ERROR, "Failed to get BSSID"); |
Dmitry Shmidt | d5e4923 | 2012-12-03 15:08:10 -0800 | [diff] [blame] | 2612 | wpa_supplicant_deauthenticate( |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 2613 | wpa_s, WLAN_REASON_DEAUTH_LEAVING); |
| 2614 | return; |
| 2615 | } |
| 2616 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2617 | wpa_supplicant_set_state(wpa_s, WPA_ASSOCIATED); |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 2618 | if (os_memcmp(bssid, wpa_s->bssid, ETH_ALEN) != 0) { |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2619 | wpa_dbg(wpa_s, MSG_DEBUG, "Associated to a new BSS: BSSID=" |
| 2620 | MACSTR, MAC2STR(bssid)); |
Amarnath Hullur Subramanyam | a82c83c | 2015-09-18 06:57:06 -0700 | [diff] [blame] | 2621 | new_bss = 1; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2622 | random_add_randomness(bssid, ETH_ALEN); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2623 | os_memcpy(wpa_s->bssid, bssid, ETH_ALEN); |
| 2624 | os_memset(wpa_s->pending_bssid, 0, ETH_ALEN); |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 2625 | wpas_notify_bssid_changed(wpa_s); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2626 | |
| 2627 | if (wpa_supplicant_dynamic_keys(wpa_s) && !ft_completed) { |
| 2628 | wpa_clear_keys(wpa_s, bssid); |
| 2629 | } |
| 2630 | if (wpa_supplicant_select_config(wpa_s) < 0) { |
Dmitry Shmidt | d5e4923 | 2012-12-03 15:08:10 -0800 | [diff] [blame] | 2631 | wpa_supplicant_deauthenticate( |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2632 | wpa_s, WLAN_REASON_DEAUTH_LEAVING); |
| 2633 | return; |
| 2634 | } |
Amarnath Hullur Subramanyam | a82c83c | 2015-09-18 06:57:06 -0700 | [diff] [blame] | 2635 | } |
Dmitry Shmidt | c5ec7f5 | 2012-03-06 16:33:24 -0800 | [diff] [blame] | 2636 | |
Amarnath Hullur Subramanyam | a82c83c | 2015-09-18 06:57:06 -0700 | [diff] [blame] | 2637 | if (wpa_s->conf->ap_scan == 1 && |
| 2638 | wpa_s->drv_flags & WPA_DRIVER_FLAGS_BSS_SELECTION) { |
Amarnath Hullur Subramanyam | a82c83c | 2015-09-18 06:57:06 -0700 | [diff] [blame] | 2639 | if (wpa_supplicant_assoc_update_ie(wpa_s) < 0 && new_bss) |
| 2640 | wpa_msg(wpa_s, MSG_WARNING, |
| 2641 | "WPA/RSN IEs not updated"); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2642 | } |
| 2643 | |
Dmitry Shmidt | d7ff03d | 2015-12-04 14:49:35 -0800 | [diff] [blame] | 2644 | wpas_fst_update_mb_assoc(wpa_s, data); |
| 2645 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2646 | #ifdef CONFIG_SME |
| 2647 | os_memcpy(wpa_s->sme.prev_bssid, bssid, ETH_ALEN); |
| 2648 | wpa_s->sme.prev_bssid_set = 1; |
Dmitry Shmidt | 0c08fdc | 2014-06-20 10:16:40 -0700 | [diff] [blame] | 2649 | wpa_s->sme.last_unprot_disconnect.sec = 0; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2650 | #endif /* CONFIG_SME */ |
| 2651 | |
| 2652 | wpa_msg(wpa_s, MSG_INFO, "Associated with " MACSTR, MAC2STR(bssid)); |
| 2653 | if (wpa_s->current_ssid) { |
| 2654 | /* When using scanning (ap_scan=1), SIM PC/SC interface can be |
| 2655 | * initialized before association, but for other modes, |
| 2656 | * initialize PC/SC here, if the current configuration needs |
| 2657 | * smartcard or SIM/USIM. */ |
| 2658 | wpa_supplicant_scard_init(wpa_s, wpa_s->current_ssid); |
| 2659 | } |
| 2660 | wpa_sm_notify_assoc(wpa_s->wpa, bssid); |
| 2661 | if (wpa_s->l2) |
| 2662 | l2_packet_notify_auth_start(wpa_s->l2); |
| 2663 | |
Dmitry Shmidt | 7f2c753 | 2016-08-15 09:48:12 -0700 | [diff] [blame] | 2664 | already_authorized = data && data->assoc_info.authorized; |
| 2665 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2666 | /* |
| 2667 | * Set portEnabled first to FALSE in order to get EAP state machine out |
| 2668 | * of the SUCCESS state and eapSuccess cleared. Without this, EAPOL PAE |
| 2669 | * state machine may transit to AUTHENTICATING state based on obsolete |
| 2670 | * eapSuccess and then trigger BE_AUTH to SUCCESS and PAE to |
| 2671 | * AUTHENTICATED without ever giving chance to EAP state machine to |
| 2672 | * reset the state. |
| 2673 | */ |
Dmitry Shmidt | 7f2c753 | 2016-08-15 09:48:12 -0700 | [diff] [blame] | 2674 | if (!ft_completed && !already_authorized) { |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2675 | eapol_sm_notify_portEnabled(wpa_s->eapol, FALSE); |
| 2676 | eapol_sm_notify_portValid(wpa_s->eapol, FALSE); |
| 2677 | } |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 2678 | if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) || |
| 2679 | wpa_s->key_mgmt == WPA_KEY_MGMT_DPP || |
| 2680 | wpa_s->key_mgmt == WPA_KEY_MGMT_OWE || ft_completed || |
Dmitry Shmidt | 7f2c753 | 2016-08-15 09:48:12 -0700 | [diff] [blame] | 2681 | already_authorized) |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2682 | eapol_sm_notify_eap_success(wpa_s->eapol, FALSE); |
| 2683 | /* 802.1X::portControl = Auto */ |
| 2684 | eapol_sm_notify_portEnabled(wpa_s->eapol, TRUE); |
| 2685 | wpa_s->eapol_received = 0; |
| 2686 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE || |
| 2687 | wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE || |
| 2688 | (wpa_s->current_ssid && |
| 2689 | wpa_s->current_ssid->mode == IEEE80211_MODE_IBSS)) { |
Dmitry Shmidt | 09f57ba | 2014-06-10 16:07:13 -0700 | [diff] [blame] | 2690 | if (wpa_s->current_ssid && |
| 2691 | wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE && |
Dmitry Shmidt | 51b6ea8 | 2013-05-08 10:42:09 -0700 | [diff] [blame] | 2692 | (wpa_s->drv_flags & |
| 2693 | WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE)) { |
| 2694 | /* |
| 2695 | * Set the key after having received joined-IBSS event |
| 2696 | * from the driver. |
| 2697 | */ |
| 2698 | wpa_supplicant_set_wpa_none_key(wpa_s, |
| 2699 | wpa_s->current_ssid); |
| 2700 | } |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2701 | wpa_supplicant_cancel_auth_timeout(wpa_s); |
| 2702 | wpa_supplicant_set_state(wpa_s, WPA_COMPLETED); |
| 2703 | } else if (!ft_completed) { |
| 2704 | /* Timeout for receiving the first EAPOL packet */ |
| 2705 | wpa_supplicant_req_auth_timeout(wpa_s, 10, 0); |
| 2706 | } |
| 2707 | wpa_supplicant_cancel_scan(wpa_s); |
| 2708 | |
| 2709 | if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE) && |
| 2710 | wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt)) { |
| 2711 | /* |
| 2712 | * We are done; the driver will take care of RSN 4-way |
| 2713 | * handshake. |
| 2714 | */ |
| 2715 | wpa_supplicant_cancel_auth_timeout(wpa_s); |
| 2716 | wpa_supplicant_set_state(wpa_s, WPA_COMPLETED); |
| 2717 | eapol_sm_notify_portValid(wpa_s->eapol, TRUE); |
| 2718 | eapol_sm_notify_eap_success(wpa_s->eapol, TRUE); |
| 2719 | } else if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE) && |
| 2720 | wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) { |
| 2721 | /* |
| 2722 | * The driver will take care of RSN 4-way handshake, so we need |
| 2723 | * to allow EAPOL supplicant to complete its work without |
| 2724 | * waiting for WPA supplicant. |
| 2725 | */ |
| 2726 | eapol_sm_notify_portValid(wpa_s->eapol, TRUE); |
| 2727 | } else if (ft_completed) { |
| 2728 | /* |
| 2729 | * FT protocol completed - make sure EAPOL state machine ends |
| 2730 | * up in authenticated. |
| 2731 | */ |
| 2732 | wpa_supplicant_cancel_auth_timeout(wpa_s); |
| 2733 | wpa_supplicant_set_state(wpa_s, WPA_COMPLETED); |
| 2734 | eapol_sm_notify_portValid(wpa_s->eapol, TRUE); |
| 2735 | eapol_sm_notify_eap_success(wpa_s->eapol, TRUE); |
| 2736 | } |
| 2737 | |
Jouni Malinen | a05074c | 2012-12-21 21:35:35 +0200 | [diff] [blame] | 2738 | wpa_s->last_eapol_matches_bssid = 0; |
| 2739 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2740 | if (wpa_s->pending_eapol_rx) { |
Dmitry Shmidt | fb79edc | 2014-01-10 10:45:54 -0800 | [diff] [blame] | 2741 | struct os_reltime now, age; |
| 2742 | os_get_reltime(&now); |
| 2743 | os_reltime_sub(&now, &wpa_s->pending_eapol_rx_time, &age); |
Paul Stewart | 092955c | 2017-02-06 09:13:09 -0800 | [diff] [blame] | 2744 | if (age.sec == 0 && age.usec < 200000 && |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2745 | os_memcmp(wpa_s->pending_eapol_rx_src, bssid, ETH_ALEN) == |
| 2746 | 0) { |
| 2747 | wpa_dbg(wpa_s, MSG_DEBUG, "Process pending EAPOL " |
| 2748 | "frame that was received just before " |
| 2749 | "association notification"); |
| 2750 | wpa_supplicant_rx_eapol( |
| 2751 | wpa_s, wpa_s->pending_eapol_rx_src, |
| 2752 | wpabuf_head(wpa_s->pending_eapol_rx), |
| 2753 | wpabuf_len(wpa_s->pending_eapol_rx)); |
| 2754 | } |
| 2755 | wpabuf_free(wpa_s->pending_eapol_rx); |
| 2756 | wpa_s->pending_eapol_rx = NULL; |
| 2757 | } |
| 2758 | |
| 2759 | if ((wpa_s->key_mgmt == WPA_KEY_MGMT_NONE || |
| 2760 | wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) && |
Dmitry Shmidt | 51b6ea8 | 2013-05-08 10:42:09 -0700 | [diff] [blame] | 2761 | wpa_s->current_ssid && |
| 2762 | (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE)) { |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2763 | /* Set static WEP keys again */ |
| 2764 | wpa_set_wep_keys(wpa_s, wpa_s->current_ssid); |
| 2765 | } |
| 2766 | |
| 2767 | #ifdef CONFIG_IBSS_RSN |
| 2768 | if (wpa_s->current_ssid && |
| 2769 | wpa_s->current_ssid->mode == WPAS_MODE_IBSS && |
| 2770 | wpa_s->key_mgmt != WPA_KEY_MGMT_NONE && |
| 2771 | wpa_s->key_mgmt != WPA_KEY_MGMT_WPA_NONE && |
| 2772 | wpa_s->ibss_rsn == NULL) { |
Dmitry Shmidt | 7f2c753 | 2016-08-15 09:48:12 -0700 | [diff] [blame] | 2773 | wpa_s->ibss_rsn = ibss_rsn_init(wpa_s, wpa_s->current_ssid); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2774 | if (!wpa_s->ibss_rsn) { |
| 2775 | wpa_msg(wpa_s, MSG_INFO, "Failed to init IBSS RSN"); |
| 2776 | wpa_supplicant_deauthenticate( |
| 2777 | wpa_s, WLAN_REASON_DEAUTH_LEAVING); |
| 2778 | return; |
| 2779 | } |
| 2780 | |
| 2781 | ibss_rsn_set_psk(wpa_s->ibss_rsn, wpa_s->current_ssid->psk); |
| 2782 | } |
| 2783 | #endif /* CONFIG_IBSS_RSN */ |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 2784 | |
| 2785 | wpas_wps_notify_assoc(wpa_s, bssid); |
Dmitry Shmidt | 6c0da2b | 2015-01-05 13:08:17 -0800 | [diff] [blame] | 2786 | |
| 2787 | if (data) { |
| 2788 | wmm_ac_notify_assoc(wpa_s, data->assoc_info.resp_ies, |
| 2789 | data->assoc_info.resp_ies_len, |
| 2790 | &data->assoc_info.wmm_params); |
| 2791 | |
| 2792 | if (wpa_s->reassoc_same_bss) |
| 2793 | wmm_ac_restore_tspecs(wpa_s); |
| 2794 | } |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 2795 | |
| 2796 | #ifdef CONFIG_FILS |
| 2797 | if (wpa_key_mgmt_fils(wpa_s->key_mgmt)) { |
| 2798 | struct wpa_bss *bss = wpa_bss_get_bssid(wpa_s, bssid); |
| 2799 | const u8 *fils_cache_id = wpa_bss_get_fils_cache_id(bss); |
| 2800 | |
| 2801 | if (fils_cache_id) |
| 2802 | wpa_sm_set_fils_cache_id(wpa_s->wpa, fils_cache_id); |
| 2803 | } |
| 2804 | #endif /* CONFIG_FILS */ |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2805 | } |
| 2806 | |
| 2807 | |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 2808 | static int disconnect_reason_recoverable(u16 reason_code) |
| 2809 | { |
| 2810 | return reason_code == WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY || |
| 2811 | reason_code == WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA || |
| 2812 | reason_code == WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA; |
| 2813 | } |
| 2814 | |
| 2815 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2816 | static void wpa_supplicant_event_disassoc(struct wpa_supplicant *wpa_s, |
Dmitry Shmidt | c5ec7f5 | 2012-03-06 16:33:24 -0800 | [diff] [blame] | 2817 | u16 reason_code, |
| 2818 | int locally_generated) |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2819 | { |
| 2820 | const u8 *bssid; |
Jouni Malinen | 2b89da8 | 2012-08-31 22:04:41 +0300 | [diff] [blame] | 2821 | |
| 2822 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) { |
| 2823 | /* |
| 2824 | * At least Host AP driver and a Prism3 card seemed to be |
| 2825 | * generating streams of disconnected events when configuring |
| 2826 | * IBSS for WPA-None. Ignore them for now. |
| 2827 | */ |
| 2828 | return; |
| 2829 | } |
| 2830 | |
| 2831 | bssid = wpa_s->bssid; |
| 2832 | if (is_zero_ether_addr(bssid)) |
| 2833 | bssid = wpa_s->pending_bssid; |
| 2834 | |
| 2835 | if (!is_zero_ether_addr(bssid) || |
| 2836 | wpa_s->wpa_state >= WPA_AUTHENTICATING) { |
| 2837 | wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_DISCONNECTED "bssid=" MACSTR |
| 2838 | " reason=%d%s", |
| 2839 | MAC2STR(bssid), reason_code, |
| 2840 | locally_generated ? " locally_generated=1" : ""); |
| 2841 | } |
| 2842 | } |
| 2843 | |
| 2844 | |
Dmitry Shmidt | d5e4923 | 2012-12-03 15:08:10 -0800 | [diff] [blame] | 2845 | static int could_be_psk_mismatch(struct wpa_supplicant *wpa_s, u16 reason_code, |
| 2846 | int locally_generated) |
| 2847 | { |
| 2848 | if (wpa_s->wpa_state != WPA_4WAY_HANDSHAKE || |
| 2849 | !wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt)) |
| 2850 | return 0; /* Not in 4-way handshake with PSK */ |
| 2851 | |
| 2852 | /* |
| 2853 | * It looks like connection was lost while trying to go through PSK |
| 2854 | * 4-way handshake. Filter out known disconnection cases that are caused |
| 2855 | * by something else than PSK mismatch to avoid confusing reports. |
| 2856 | */ |
| 2857 | |
| 2858 | if (locally_generated) { |
| 2859 | if (reason_code == WLAN_REASON_IE_IN_4WAY_DIFFERS) |
| 2860 | return 0; |
| 2861 | } |
| 2862 | |
| 2863 | return 1; |
| 2864 | } |
| 2865 | |
| 2866 | |
Jouni Malinen | 2b89da8 | 2012-08-31 22:04:41 +0300 | [diff] [blame] | 2867 | static void wpa_supplicant_event_disassoc_finish(struct wpa_supplicant *wpa_s, |
| 2868 | u16 reason_code, |
| 2869 | int locally_generated) |
| 2870 | { |
| 2871 | const u8 *bssid; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2872 | int authenticating; |
| 2873 | u8 prev_pending_bssid[ETH_ALEN]; |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 2874 | struct wpa_bss *fast_reconnect = NULL; |
| 2875 | struct wpa_ssid *fast_reconnect_ssid = NULL; |
Jouni Malinen | f8a26a8 | 2012-09-01 17:20:27 +0300 | [diff] [blame] | 2876 | struct wpa_ssid *last_ssid; |
Dmitry Shmidt | 9839ecd | 2016-11-07 11:05:47 -0800 | [diff] [blame] | 2877 | struct wpa_bss *curr = NULL; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2878 | |
| 2879 | authenticating = wpa_s->wpa_state == WPA_AUTHENTICATING; |
| 2880 | os_memcpy(prev_pending_bssid, wpa_s->pending_bssid, ETH_ALEN); |
| 2881 | |
| 2882 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) { |
| 2883 | /* |
| 2884 | * At least Host AP driver and a Prism3 card seemed to be |
| 2885 | * generating streams of disconnected events when configuring |
| 2886 | * IBSS for WPA-None. Ignore them for now. |
| 2887 | */ |
| 2888 | wpa_dbg(wpa_s, MSG_DEBUG, "Disconnect event - ignore in " |
| 2889 | "IBSS/WPA-None mode"); |
| 2890 | return; |
| 2891 | } |
| 2892 | |
Dmitry Shmidt | 9839ecd | 2016-11-07 11:05:47 -0800 | [diff] [blame] | 2893 | if (!wpa_s->disconnected && wpa_s->wpa_state >= WPA_AUTHENTICATING && |
| 2894 | reason_code == WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY && |
| 2895 | locally_generated) |
| 2896 | /* |
| 2897 | * Remove the inactive AP (which is probably out of range) from |
| 2898 | * the BSS list after marking disassociation. In particular |
| 2899 | * mac80211-based drivers use the |
| 2900 | * WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY reason code in |
| 2901 | * locally generated disconnection events for cases where the |
| 2902 | * AP does not reply anymore. |
| 2903 | */ |
| 2904 | curr = wpa_s->current_bss; |
| 2905 | |
Dmitry Shmidt | d5e4923 | 2012-12-03 15:08:10 -0800 | [diff] [blame] | 2906 | if (could_be_psk_mismatch(wpa_s, reason_code, locally_generated)) { |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2907 | wpa_msg(wpa_s, MSG_INFO, "WPA: 4-Way Handshake failed - " |
| 2908 | "pre-shared key may be incorrect"); |
Dmitry Shmidt | 391c59f | 2013-09-03 12:16:28 -0700 | [diff] [blame] | 2909 | if (wpas_p2p_4way_hs_failed(wpa_s) > 0) |
| 2910 | return; /* P2P group removed */ |
Dmitry Shmidt | 6dc03bd | 2014-05-16 10:40:13 -0700 | [diff] [blame] | 2911 | wpas_auth_failed(wpa_s, "WRONG_KEY"); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2912 | } |
Dmitry Shmidt | ea69e84 | 2013-05-13 14:52:28 -0700 | [diff] [blame] | 2913 | if (!wpa_s->disconnected && |
| 2914 | (!wpa_s->auto_reconnect_disabled || |
Dmitry Shmidt | 661b4f7 | 2014-09-29 14:58:27 -0700 | [diff] [blame] | 2915 | wpa_s->key_mgmt == WPA_KEY_MGMT_WPS || |
Dmitry Shmidt | d7ff03d | 2015-12-04 14:49:35 -0800 | [diff] [blame] | 2916 | wpas_wps_searching(wpa_s) || |
| 2917 | wpas_wps_reenable_networks_pending(wpa_s))) { |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 2918 | wpa_dbg(wpa_s, MSG_DEBUG, "Auto connect enabled: try to " |
Dmitry Shmidt | 661b4f7 | 2014-09-29 14:58:27 -0700 | [diff] [blame] | 2919 | "reconnect (wps=%d/%d wpa_state=%d)", |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 2920 | wpa_s->key_mgmt == WPA_KEY_MGMT_WPS, |
Dmitry Shmidt | 661b4f7 | 2014-09-29 14:58:27 -0700 | [diff] [blame] | 2921 | wpas_wps_searching(wpa_s), |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 2922 | wpa_s->wpa_state); |
| 2923 | if (wpa_s->wpa_state == WPA_COMPLETED && |
| 2924 | wpa_s->current_ssid && |
| 2925 | wpa_s->current_ssid->mode == WPAS_MODE_INFRA && |
Dmitry Shmidt | c5ec7f5 | 2012-03-06 16:33:24 -0800 | [diff] [blame] | 2926 | !locally_generated && |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 2927 | disconnect_reason_recoverable(reason_code)) { |
| 2928 | /* |
| 2929 | * It looks like the AP has dropped association with |
| 2930 | * us, but could allow us to get back in. Try to |
| 2931 | * reconnect to the same BSS without full scan to save |
| 2932 | * time for some common cases. |
| 2933 | */ |
| 2934 | fast_reconnect = wpa_s->current_bss; |
| 2935 | fast_reconnect_ssid = wpa_s->current_ssid; |
| 2936 | } else if (wpa_s->wpa_state >= WPA_ASSOCIATING) |
Dmitry Shmidt | c5ec7f5 | 2012-03-06 16:33:24 -0800 | [diff] [blame] | 2937 | wpa_supplicant_req_scan(wpa_s, 0, 100000); |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 2938 | else |
| 2939 | wpa_dbg(wpa_s, MSG_DEBUG, "Do not request new " |
| 2940 | "immediate scan"); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2941 | } else { |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 2942 | wpa_dbg(wpa_s, MSG_DEBUG, "Auto connect disabled: do not " |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2943 | "try to re-connect"); |
| 2944 | wpa_s->reassociate = 0; |
| 2945 | wpa_s->disconnected = 1; |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 2946 | if (!wpa_s->pno) |
| 2947 | wpa_supplicant_cancel_sched_scan(wpa_s); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2948 | } |
| 2949 | bssid = wpa_s->bssid; |
| 2950 | if (is_zero_ether_addr(bssid)) |
| 2951 | bssid = wpa_s->pending_bssid; |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 2952 | if (wpa_s->wpa_state >= WPA_AUTHENTICATING) |
| 2953 | wpas_connection_failed(wpa_s, bssid); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2954 | wpa_sm_notify_disassoc(wpa_s->wpa); |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 2955 | if (locally_generated) |
| 2956 | wpa_s->disconnect_reason = -reason_code; |
| 2957 | else |
| 2958 | wpa_s->disconnect_reason = reason_code; |
| 2959 | wpas_notify_disconnect_reason(wpa_s); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2960 | if (wpa_supplicant_dynamic_keys(wpa_s)) { |
| 2961 | wpa_dbg(wpa_s, MSG_DEBUG, "Disconnect event - remove keys"); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2962 | wpa_clear_keys(wpa_s, wpa_s->bssid); |
| 2963 | } |
Jouni Malinen | f8a26a8 | 2012-09-01 17:20:27 +0300 | [diff] [blame] | 2964 | last_ssid = wpa_s->current_ssid; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2965 | wpa_supplicant_mark_disassoc(wpa_s); |
| 2966 | |
Dmitry Shmidt | 9839ecd | 2016-11-07 11:05:47 -0800 | [diff] [blame] | 2967 | if (curr) |
| 2968 | wpa_bss_remove(wpa_s, curr, "Connection to AP lost"); |
| 2969 | |
Jouni Malinen | f8a26a8 | 2012-09-01 17:20:27 +0300 | [diff] [blame] | 2970 | if (authenticating && (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)) { |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2971 | sme_disassoc_while_authenticating(wpa_s, prev_pending_bssid); |
Jouni Malinen | f8a26a8 | 2012-09-01 17:20:27 +0300 | [diff] [blame] | 2972 | wpa_s->current_ssid = last_ssid; |
| 2973 | } |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 2974 | |
Dmitry Shmidt | f21452a | 2014-02-26 10:55:25 -0800 | [diff] [blame] | 2975 | if (fast_reconnect && |
| 2976 | !wpas_network_disabled(wpa_s, fast_reconnect_ssid) && |
| 2977 | !disallowed_bssid(wpa_s, fast_reconnect->bssid) && |
| 2978 | !disallowed_ssid(wpa_s, fast_reconnect->ssid, |
| 2979 | fast_reconnect->ssid_len) && |
Dmitry Shmidt | 57c2d39 | 2016-02-23 13:40:19 -0800 | [diff] [blame] | 2980 | !wpas_temp_disabled(wpa_s, fast_reconnect_ssid) && |
| 2981 | !wpa_is_bss_tmp_disallowed(wpa_s, fast_reconnect->bssid)) { |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 2982 | #ifndef CONFIG_NO_SCAN_PROCESSING |
| 2983 | wpa_dbg(wpa_s, MSG_DEBUG, "Try to reconnect to the same BSS"); |
| 2984 | if (wpa_supplicant_connect(wpa_s, fast_reconnect, |
| 2985 | fast_reconnect_ssid) < 0) { |
| 2986 | /* Recover through full scan */ |
| 2987 | wpa_supplicant_req_scan(wpa_s, 0, 100000); |
| 2988 | } |
| 2989 | #endif /* CONFIG_NO_SCAN_PROCESSING */ |
Dmitry Shmidt | f21452a | 2014-02-26 10:55:25 -0800 | [diff] [blame] | 2990 | } else if (fast_reconnect) { |
| 2991 | /* |
| 2992 | * Could not reconnect to the same BSS due to network being |
| 2993 | * disabled. Use a new scan to match the alternative behavior |
| 2994 | * above, i.e., to continue automatic reconnection attempt in a |
| 2995 | * way that enforces disabled network rules. |
| 2996 | */ |
| 2997 | wpa_supplicant_req_scan(wpa_s, 0, 100000); |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 2998 | } |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2999 | } |
| 3000 | |
| 3001 | |
| 3002 | #ifdef CONFIG_DELAYED_MIC_ERROR_REPORT |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 3003 | 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] | 3004 | { |
| 3005 | struct wpa_supplicant *wpa_s = eloop_ctx; |
| 3006 | |
| 3007 | if (!wpa_s->pending_mic_error_report) |
| 3008 | return; |
| 3009 | |
| 3010 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Sending pending MIC error report"); |
| 3011 | wpa_sm_key_request(wpa_s->wpa, 1, wpa_s->pending_mic_error_pairwise); |
| 3012 | wpa_s->pending_mic_error_report = 0; |
| 3013 | } |
| 3014 | #endif /* CONFIG_DELAYED_MIC_ERROR_REPORT */ |
| 3015 | |
| 3016 | |
| 3017 | static void |
| 3018 | wpa_supplicant_event_michael_mic_failure(struct wpa_supplicant *wpa_s, |
| 3019 | union wpa_event_data *data) |
| 3020 | { |
| 3021 | int pairwise; |
Dmitry Shmidt | fb79edc | 2014-01-10 10:45:54 -0800 | [diff] [blame] | 3022 | struct os_reltime t; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 3023 | |
| 3024 | wpa_msg(wpa_s, MSG_WARNING, "Michael MIC failure detected"); |
| 3025 | pairwise = (data && data->michael_mic_failure.unicast); |
Dmitry Shmidt | fb79edc | 2014-01-10 10:45:54 -0800 | [diff] [blame] | 3026 | os_get_reltime(&t); |
| 3027 | if ((wpa_s->last_michael_mic_error.sec && |
| 3028 | !os_reltime_expired(&t, &wpa_s->last_michael_mic_error, 60)) || |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 3029 | wpa_s->pending_mic_error_report) { |
| 3030 | if (wpa_s->pending_mic_error_report) { |
| 3031 | /* |
| 3032 | * Send the pending MIC error report immediately since |
| 3033 | * we are going to start countermeasures and AP better |
| 3034 | * do the same. |
| 3035 | */ |
| 3036 | wpa_sm_key_request(wpa_s->wpa, 1, |
| 3037 | wpa_s->pending_mic_error_pairwise); |
| 3038 | } |
| 3039 | |
| 3040 | /* Send the new MIC error report immediately since we are going |
| 3041 | * to start countermeasures and AP better do the same. |
| 3042 | */ |
| 3043 | wpa_sm_key_request(wpa_s->wpa, 1, pairwise); |
| 3044 | |
| 3045 | /* initialize countermeasures */ |
| 3046 | wpa_s->countermeasures = 1; |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 3047 | |
| 3048 | wpa_blacklist_add(wpa_s, wpa_s->bssid); |
| 3049 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 3050 | wpa_msg(wpa_s, MSG_WARNING, "TKIP countermeasures started"); |
| 3051 | |
| 3052 | /* |
| 3053 | * Need to wait for completion of request frame. We do not get |
| 3054 | * any callback for the message completion, so just wait a |
| 3055 | * short while and hope for the best. */ |
| 3056 | os_sleep(0, 10000); |
| 3057 | |
| 3058 | wpa_drv_set_countermeasures(wpa_s, 1); |
| 3059 | wpa_supplicant_deauthenticate(wpa_s, |
| 3060 | WLAN_REASON_MICHAEL_MIC_FAILURE); |
| 3061 | eloop_cancel_timeout(wpa_supplicant_stop_countermeasures, |
| 3062 | wpa_s, NULL); |
| 3063 | eloop_register_timeout(60, 0, |
| 3064 | wpa_supplicant_stop_countermeasures, |
| 3065 | wpa_s, NULL); |
| 3066 | /* TODO: mark the AP rejected for 60 second. STA is |
| 3067 | * allowed to associate with another AP.. */ |
| 3068 | } else { |
| 3069 | #ifdef CONFIG_DELAYED_MIC_ERROR_REPORT |
| 3070 | if (wpa_s->mic_errors_seen) { |
| 3071 | /* |
| 3072 | * Reduce the effectiveness of Michael MIC error |
| 3073 | * reports as a means for attacking against TKIP if |
| 3074 | * more than one MIC failure is noticed with the same |
| 3075 | * PTK. We delay the transmission of the reports by a |
| 3076 | * random time between 0 and 60 seconds in order to |
| 3077 | * force the attacker wait 60 seconds before getting |
| 3078 | * the information on whether a frame resulted in a MIC |
| 3079 | * failure. |
| 3080 | */ |
| 3081 | u8 rval[4]; |
| 3082 | int sec; |
| 3083 | |
| 3084 | if (os_get_random(rval, sizeof(rval)) < 0) |
| 3085 | sec = os_random() % 60; |
| 3086 | else |
| 3087 | sec = WPA_GET_BE32(rval) % 60; |
| 3088 | wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Delay MIC error " |
| 3089 | "report %d seconds", sec); |
| 3090 | wpa_s->pending_mic_error_report = 1; |
| 3091 | wpa_s->pending_mic_error_pairwise = pairwise; |
| 3092 | eloop_cancel_timeout( |
| 3093 | wpa_supplicant_delayed_mic_error_report, |
| 3094 | wpa_s, NULL); |
| 3095 | eloop_register_timeout( |
| 3096 | sec, os_random() % 1000000, |
| 3097 | wpa_supplicant_delayed_mic_error_report, |
| 3098 | wpa_s, NULL); |
| 3099 | } else { |
| 3100 | wpa_sm_key_request(wpa_s->wpa, 1, pairwise); |
| 3101 | } |
| 3102 | #else /* CONFIG_DELAYED_MIC_ERROR_REPORT */ |
| 3103 | wpa_sm_key_request(wpa_s->wpa, 1, pairwise); |
| 3104 | #endif /* CONFIG_DELAYED_MIC_ERROR_REPORT */ |
| 3105 | } |
Dmitry Shmidt | fb79edc | 2014-01-10 10:45:54 -0800 | [diff] [blame] | 3106 | wpa_s->last_michael_mic_error = t; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 3107 | wpa_s->mic_errors_seen++; |
| 3108 | } |
| 3109 | |
| 3110 | |
| 3111 | #ifdef CONFIG_TERMINATE_ONLASTIF |
| 3112 | static int any_interfaces(struct wpa_supplicant *head) |
| 3113 | { |
| 3114 | struct wpa_supplicant *wpa_s; |
| 3115 | |
| 3116 | for (wpa_s = head; wpa_s != NULL; wpa_s = wpa_s->next) |
| 3117 | if (!wpa_s->interface_removed) |
| 3118 | return 1; |
| 3119 | return 0; |
| 3120 | } |
| 3121 | #endif /* CONFIG_TERMINATE_ONLASTIF */ |
| 3122 | |
| 3123 | |
| 3124 | static void |
| 3125 | wpa_supplicant_event_interface_status(struct wpa_supplicant *wpa_s, |
| 3126 | union wpa_event_data *data) |
| 3127 | { |
| 3128 | if (os_strcmp(wpa_s->ifname, data->interface_status.ifname) != 0) |
| 3129 | return; |
| 3130 | |
| 3131 | switch (data->interface_status.ievent) { |
| 3132 | case EVENT_INTERFACE_ADDED: |
| 3133 | if (!wpa_s->interface_removed) |
| 3134 | break; |
| 3135 | wpa_s->interface_removed = 0; |
| 3136 | wpa_dbg(wpa_s, MSG_DEBUG, "Configured interface was added"); |
| 3137 | if (wpa_supplicant_driver_init(wpa_s) < 0) { |
| 3138 | wpa_msg(wpa_s, MSG_INFO, "Failed to initialize the " |
| 3139 | "driver after interface was added"); |
| 3140 | } |
Dmitry Shmidt | a3dc309 | 2015-06-23 11:21:28 -0700 | [diff] [blame] | 3141 | |
| 3142 | #ifdef CONFIG_P2P |
| 3143 | if (!wpa_s->global->p2p && |
| 3144 | !wpa_s->global->p2p_disabled && |
| 3145 | !wpa_s->conf->p2p_disabled && |
| 3146 | (wpa_s->drv_flags & |
| 3147 | WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE) && |
| 3148 | wpas_p2p_add_p2pdev_interface( |
| 3149 | wpa_s, wpa_s->global->params.conf_p2p_dev) < 0) { |
| 3150 | wpa_printf(MSG_INFO, |
| 3151 | "P2P: Failed to enable P2P Device interface"); |
| 3152 | /* Try to continue without. P2P will be disabled. */ |
| 3153 | } |
| 3154 | #endif /* CONFIG_P2P */ |
| 3155 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 3156 | break; |
| 3157 | case EVENT_INTERFACE_REMOVED: |
| 3158 | wpa_dbg(wpa_s, MSG_DEBUG, "Configured interface was removed"); |
| 3159 | wpa_s->interface_removed = 1; |
| 3160 | wpa_supplicant_mark_disassoc(wpa_s); |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 3161 | wpa_supplicant_set_state(wpa_s, WPA_INTERFACE_DISABLED); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 3162 | l2_packet_deinit(wpa_s->l2); |
| 3163 | wpa_s->l2 = NULL; |
Dmitry Shmidt | a3dc309 | 2015-06-23 11:21:28 -0700 | [diff] [blame] | 3164 | |
| 3165 | #ifdef CONFIG_P2P |
| 3166 | if (wpa_s->global->p2p && |
| 3167 | wpa_s->global->p2p_init_wpa_s->parent == wpa_s && |
| 3168 | (wpa_s->drv_flags & |
| 3169 | WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE)) { |
| 3170 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 3171 | "Removing P2P Device interface"); |
| 3172 | wpa_supplicant_remove_iface( |
| 3173 | wpa_s->global, wpa_s->global->p2p_init_wpa_s, |
| 3174 | 0); |
| 3175 | wpa_s->global->p2p_init_wpa_s = NULL; |
| 3176 | } |
| 3177 | #endif /* CONFIG_P2P */ |
| 3178 | |
Dmitry Shmidt | e466304 | 2016-04-04 10:07:49 -0700 | [diff] [blame] | 3179 | #ifdef CONFIG_MATCH_IFACE |
| 3180 | if (wpa_s->matched) { |
| 3181 | wpa_supplicant_remove_iface(wpa_s->global, wpa_s, 0); |
| 3182 | break; |
| 3183 | } |
| 3184 | #endif /* CONFIG_MATCH_IFACE */ |
| 3185 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 3186 | #ifdef CONFIG_TERMINATE_ONLASTIF |
| 3187 | /* check if last interface */ |
| 3188 | if (!any_interfaces(wpa_s->global->ifaces)) |
| 3189 | eloop_terminate(); |
| 3190 | #endif /* CONFIG_TERMINATE_ONLASTIF */ |
| 3191 | break; |
| 3192 | } |
| 3193 | } |
| 3194 | |
| 3195 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 3196 | #ifdef CONFIG_TDLS |
| 3197 | static void wpa_supplicant_event_tdls(struct wpa_supplicant *wpa_s, |
| 3198 | union wpa_event_data *data) |
| 3199 | { |
| 3200 | if (data == NULL) |
| 3201 | return; |
| 3202 | switch (data->tdls.oper) { |
| 3203 | case TDLS_REQUEST_SETUP: |
Dmitry Shmidt | 4b9d52f | 2013-02-05 17:44:43 -0800 | [diff] [blame] | 3204 | wpa_tdls_remove(wpa_s->wpa, data->tdls.peer); |
| 3205 | if (wpa_tdls_is_external_setup(wpa_s->wpa)) |
| 3206 | wpa_tdls_start(wpa_s->wpa, data->tdls.peer); |
| 3207 | else |
| 3208 | wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, data->tdls.peer); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 3209 | break; |
| 3210 | case TDLS_REQUEST_TEARDOWN: |
Sunil Dutt | 6a9f522 | 2013-09-30 17:10:18 +0300 | [diff] [blame] | 3211 | if (wpa_tdls_is_external_setup(wpa_s->wpa)) |
| 3212 | wpa_tdls_teardown_link(wpa_s->wpa, data->tdls.peer, |
| 3213 | data->tdls.reason_code); |
| 3214 | else |
| 3215 | wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN, |
| 3216 | data->tdls.peer); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 3217 | break; |
Dmitry Shmidt | 4dd28dc | 2015-03-10 11:21:43 -0700 | [diff] [blame] | 3218 | case TDLS_REQUEST_DISCOVER: |
| 3219 | wpa_tdls_send_discovery_request(wpa_s->wpa, |
| 3220 | data->tdls.peer); |
| 3221 | break; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 3222 | } |
| 3223 | } |
| 3224 | #endif /* CONFIG_TDLS */ |
| 3225 | |
| 3226 | |
Dmitry Shmidt | a54fa5f | 2013-01-15 13:53:35 -0800 | [diff] [blame] | 3227 | #ifdef CONFIG_WNM |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 3228 | static void wpa_supplicant_event_wnm(struct wpa_supplicant *wpa_s, |
| 3229 | union wpa_event_data *data) |
| 3230 | { |
| 3231 | if (data == NULL) |
| 3232 | return; |
| 3233 | switch (data->wnm.oper) { |
| 3234 | case WNM_OPER_SLEEP: |
| 3235 | wpa_printf(MSG_DEBUG, "Start sending WNM-Sleep Request " |
| 3236 | "(action=%d, intval=%d)", |
| 3237 | data->wnm.sleep_action, data->wnm.sleep_intval); |
| 3238 | ieee802_11_send_wnmsleep_req(wpa_s, data->wnm.sleep_action, |
Dmitry Shmidt | a54fa5f | 2013-01-15 13:53:35 -0800 | [diff] [blame] | 3239 | data->wnm.sleep_intval, NULL); |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 3240 | break; |
| 3241 | } |
| 3242 | } |
Dmitry Shmidt | a54fa5f | 2013-01-15 13:53:35 -0800 | [diff] [blame] | 3243 | #endif /* CONFIG_WNM */ |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 3244 | |
| 3245 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 3246 | #ifdef CONFIG_IEEE80211R |
| 3247 | static void |
| 3248 | wpa_supplicant_event_ft_response(struct wpa_supplicant *wpa_s, |
| 3249 | union wpa_event_data *data) |
| 3250 | { |
| 3251 | if (data == NULL) |
| 3252 | return; |
| 3253 | |
| 3254 | if (wpa_ft_process_response(wpa_s->wpa, data->ft_ies.ies, |
| 3255 | data->ft_ies.ies_len, |
| 3256 | data->ft_ies.ft_action, |
| 3257 | data->ft_ies.target_ap, |
| 3258 | data->ft_ies.ric_ies, |
| 3259 | data->ft_ies.ric_ies_len) < 0) { |
| 3260 | /* TODO: prevent MLME/driver from trying to associate? */ |
| 3261 | } |
| 3262 | } |
| 3263 | #endif /* CONFIG_IEEE80211R */ |
| 3264 | |
| 3265 | |
| 3266 | #ifdef CONFIG_IBSS_RSN |
| 3267 | static void wpa_supplicant_event_ibss_rsn_start(struct wpa_supplicant *wpa_s, |
| 3268 | union wpa_event_data *data) |
| 3269 | { |
| 3270 | struct wpa_ssid *ssid; |
| 3271 | if (wpa_s->wpa_state < WPA_ASSOCIATED) |
| 3272 | return; |
| 3273 | if (data == NULL) |
| 3274 | return; |
| 3275 | ssid = wpa_s->current_ssid; |
| 3276 | if (ssid == NULL) |
| 3277 | return; |
| 3278 | if (ssid->mode != WPAS_MODE_IBSS || !wpa_key_mgmt_wpa(ssid->key_mgmt)) |
| 3279 | return; |
| 3280 | |
| 3281 | ibss_rsn_start(wpa_s->ibss_rsn, data->ibss_rsn_start.peer); |
| 3282 | } |
Dmitry Shmidt | c2ebb4b | 2013-07-24 12:57:51 -0700 | [diff] [blame] | 3283 | |
| 3284 | |
| 3285 | static void wpa_supplicant_event_ibss_auth(struct wpa_supplicant *wpa_s, |
| 3286 | union wpa_event_data *data) |
| 3287 | { |
| 3288 | struct wpa_ssid *ssid = wpa_s->current_ssid; |
| 3289 | |
| 3290 | if (ssid == NULL) |
| 3291 | return; |
| 3292 | |
| 3293 | /* check if the ssid is correctly configured as IBSS/RSN */ |
| 3294 | if (ssid->mode != WPAS_MODE_IBSS || !wpa_key_mgmt_wpa(ssid->key_mgmt)) |
| 3295 | return; |
| 3296 | |
| 3297 | ibss_rsn_handle_auth(wpa_s->ibss_rsn, data->rx_mgmt.frame, |
| 3298 | data->rx_mgmt.frame_len); |
| 3299 | } |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 3300 | #endif /* CONFIG_IBSS_RSN */ |
| 3301 | |
| 3302 | |
| 3303 | #ifdef CONFIG_IEEE80211R |
| 3304 | static void ft_rx_action(struct wpa_supplicant *wpa_s, const u8 *data, |
| 3305 | size_t len) |
| 3306 | { |
| 3307 | const u8 *sta_addr, *target_ap_addr; |
| 3308 | u16 status; |
| 3309 | |
| 3310 | wpa_hexdump(MSG_MSGDUMP, "FT: RX Action", data, len); |
| 3311 | if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)) |
| 3312 | return; /* only SME case supported for now */ |
| 3313 | if (len < 1 + 2 * ETH_ALEN + 2) |
| 3314 | return; |
| 3315 | if (data[0] != 2) |
| 3316 | return; /* Only FT Action Response is supported for now */ |
| 3317 | sta_addr = data + 1; |
| 3318 | target_ap_addr = data + 1 + ETH_ALEN; |
| 3319 | status = WPA_GET_LE16(data + 1 + 2 * ETH_ALEN); |
| 3320 | wpa_dbg(wpa_s, MSG_DEBUG, "FT: Received FT Action Response: STA " |
| 3321 | MACSTR " TargetAP " MACSTR " status %u", |
| 3322 | MAC2STR(sta_addr), MAC2STR(target_ap_addr), status); |
| 3323 | |
| 3324 | if (os_memcmp(sta_addr, wpa_s->own_addr, ETH_ALEN) != 0) { |
| 3325 | wpa_dbg(wpa_s, MSG_DEBUG, "FT: Foreign STA Address " MACSTR |
| 3326 | " in FT Action Response", MAC2STR(sta_addr)); |
| 3327 | return; |
| 3328 | } |
| 3329 | |
| 3330 | if (status) { |
| 3331 | wpa_dbg(wpa_s, MSG_DEBUG, "FT: FT Action Response indicates " |
| 3332 | "failure (status code %d)", status); |
| 3333 | /* TODO: report error to FT code(?) */ |
| 3334 | return; |
| 3335 | } |
| 3336 | |
| 3337 | if (wpa_ft_process_response(wpa_s->wpa, data + 1 + 2 * ETH_ALEN + 2, |
| 3338 | len - (1 + 2 * ETH_ALEN + 2), 1, |
| 3339 | target_ap_addr, NULL, 0) < 0) |
| 3340 | return; |
| 3341 | |
| 3342 | #ifdef CONFIG_SME |
| 3343 | { |
| 3344 | struct wpa_bss *bss; |
| 3345 | bss = wpa_bss_get_bssid(wpa_s, target_ap_addr); |
| 3346 | if (bss) |
| 3347 | wpa_s->sme.freq = bss->freq; |
| 3348 | wpa_s->sme.auth_alg = WPA_AUTH_ALG_FT; |
| 3349 | sme_associate(wpa_s, WPAS_MODE_INFRA, target_ap_addr, |
| 3350 | WLAN_AUTH_FT); |
| 3351 | } |
| 3352 | #endif /* CONFIG_SME */ |
| 3353 | } |
| 3354 | #endif /* CONFIG_IEEE80211R */ |
| 3355 | |
| 3356 | |
| 3357 | static void wpa_supplicant_event_unprot_deauth(struct wpa_supplicant *wpa_s, |
| 3358 | struct unprot_deauth *e) |
| 3359 | { |
| 3360 | #ifdef CONFIG_IEEE80211W |
| 3361 | wpa_printf(MSG_DEBUG, "Unprotected Deauthentication frame " |
| 3362 | "dropped: " MACSTR " -> " MACSTR |
| 3363 | " (reason code %u)", |
| 3364 | MAC2STR(e->sa), MAC2STR(e->da), e->reason_code); |
| 3365 | sme_event_unprot_disconnect(wpa_s, e->sa, e->da, e->reason_code); |
| 3366 | #endif /* CONFIG_IEEE80211W */ |
| 3367 | } |
| 3368 | |
| 3369 | |
| 3370 | static void wpa_supplicant_event_unprot_disassoc(struct wpa_supplicant *wpa_s, |
| 3371 | struct unprot_disassoc *e) |
| 3372 | { |
| 3373 | #ifdef CONFIG_IEEE80211W |
| 3374 | wpa_printf(MSG_DEBUG, "Unprotected Disassociation frame " |
| 3375 | "dropped: " MACSTR " -> " MACSTR |
| 3376 | " (reason code %u)", |
| 3377 | MAC2STR(e->sa), MAC2STR(e->da), e->reason_code); |
| 3378 | sme_event_unprot_disconnect(wpa_s, e->sa, e->da, e->reason_code); |
| 3379 | #endif /* CONFIG_IEEE80211W */ |
| 3380 | } |
| 3381 | |
| 3382 | |
Dmitry Shmidt | c2ebb4b | 2013-07-24 12:57:51 -0700 | [diff] [blame] | 3383 | static void wpas_event_disconnect(struct wpa_supplicant *wpa_s, const u8 *addr, |
| 3384 | u16 reason_code, int locally_generated, |
| 3385 | const u8 *ie, size_t ie_len, int deauth) |
| 3386 | { |
| 3387 | #ifdef CONFIG_AP |
| 3388 | if (wpa_s->ap_iface && addr) { |
| 3389 | hostapd_notif_disassoc(wpa_s->ap_iface->bss[0], addr); |
| 3390 | return; |
| 3391 | } |
| 3392 | |
| 3393 | if (wpa_s->ap_iface) { |
| 3394 | wpa_dbg(wpa_s, MSG_DEBUG, "Ignore deauth event in AP mode"); |
| 3395 | return; |
| 3396 | } |
| 3397 | #endif /* CONFIG_AP */ |
| 3398 | |
Dmitry Shmidt | 203eadb | 2015-03-05 14:16:04 -0800 | [diff] [blame] | 3399 | if (!locally_generated) |
| 3400 | wpa_s->own_disconnect_req = 0; |
| 3401 | |
Dmitry Shmidt | c2ebb4b | 2013-07-24 12:57:51 -0700 | [diff] [blame] | 3402 | wpa_supplicant_event_disassoc(wpa_s, reason_code, locally_generated); |
| 3403 | |
Dmitry Shmidt | 344abd3 | 2014-01-14 13:17:00 -0800 | [diff] [blame] | 3404 | if (((reason_code == WLAN_REASON_IEEE_802_1X_AUTH_FAILED || |
| 3405 | ((wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) || |
| 3406 | (wpa_s->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA)) && |
| 3407 | eapol_sm_failed(wpa_s->eapol))) && |
| 3408 | !wpa_s->eap_expected_failure)) |
Dmitry Shmidt | 6dc03bd | 2014-05-16 10:40:13 -0700 | [diff] [blame] | 3409 | wpas_auth_failed(wpa_s, "AUTH_FAILED"); |
Dmitry Shmidt | c2ebb4b | 2013-07-24 12:57:51 -0700 | [diff] [blame] | 3410 | |
| 3411 | #ifdef CONFIG_P2P |
Dmitry Shmidt | 391c59f | 2013-09-03 12:16:28 -0700 | [diff] [blame] | 3412 | if (deauth && reason_code > 0) { |
Dmitry Shmidt | c2ebb4b | 2013-07-24 12:57:51 -0700 | [diff] [blame] | 3413 | if (wpas_p2p_deauth_notif(wpa_s, addr, reason_code, ie, ie_len, |
| 3414 | locally_generated) > 0) { |
| 3415 | /* |
| 3416 | * The interface was removed, so cannot continue |
| 3417 | * processing any additional operations after this. |
| 3418 | */ |
| 3419 | return; |
| 3420 | } |
| 3421 | } |
| 3422 | #endif /* CONFIG_P2P */ |
| 3423 | |
| 3424 | wpa_supplicant_event_disassoc_finish(wpa_s, reason_code, |
| 3425 | locally_generated); |
| 3426 | } |
| 3427 | |
| 3428 | |
| 3429 | static void wpas_event_disassoc(struct wpa_supplicant *wpa_s, |
| 3430 | struct disassoc_info *info) |
| 3431 | { |
| 3432 | u16 reason_code = 0; |
| 3433 | int locally_generated = 0; |
| 3434 | const u8 *addr = NULL; |
| 3435 | const u8 *ie = NULL; |
| 3436 | size_t ie_len = 0; |
| 3437 | |
| 3438 | wpa_dbg(wpa_s, MSG_DEBUG, "Disassociation notification"); |
| 3439 | |
| 3440 | if (info) { |
| 3441 | addr = info->addr; |
| 3442 | ie = info->ie; |
| 3443 | ie_len = info->ie_len; |
| 3444 | reason_code = info->reason_code; |
| 3445 | locally_generated = info->locally_generated; |
| 3446 | wpa_dbg(wpa_s, MSG_DEBUG, " * reason %u%s", reason_code, |
| 3447 | locally_generated ? " (locally generated)" : ""); |
| 3448 | if (addr) |
| 3449 | wpa_dbg(wpa_s, MSG_DEBUG, " * address " MACSTR, |
| 3450 | MAC2STR(addr)); |
| 3451 | wpa_hexdump(MSG_DEBUG, "Disassociation frame IE(s)", |
| 3452 | ie, ie_len); |
| 3453 | } |
| 3454 | |
| 3455 | #ifdef CONFIG_AP |
| 3456 | if (wpa_s->ap_iface && info && info->addr) { |
| 3457 | hostapd_notif_disassoc(wpa_s->ap_iface->bss[0], info->addr); |
| 3458 | return; |
| 3459 | } |
| 3460 | |
| 3461 | if (wpa_s->ap_iface) { |
| 3462 | wpa_dbg(wpa_s, MSG_DEBUG, "Ignore disassoc event in AP mode"); |
| 3463 | return; |
| 3464 | } |
| 3465 | #endif /* CONFIG_AP */ |
| 3466 | |
| 3467 | #ifdef CONFIG_P2P |
| 3468 | if (info) { |
| 3469 | wpas_p2p_disassoc_notif( |
| 3470 | wpa_s, info->addr, reason_code, info->ie, info->ie_len, |
| 3471 | locally_generated); |
| 3472 | } |
| 3473 | #endif /* CONFIG_P2P */ |
| 3474 | |
| 3475 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) |
| 3476 | sme_event_disassoc(wpa_s, info); |
| 3477 | |
| 3478 | wpas_event_disconnect(wpa_s, addr, reason_code, locally_generated, |
| 3479 | ie, ie_len, 0); |
| 3480 | } |
| 3481 | |
| 3482 | |
| 3483 | static void wpas_event_deauth(struct wpa_supplicant *wpa_s, |
| 3484 | struct deauth_info *info) |
| 3485 | { |
| 3486 | u16 reason_code = 0; |
| 3487 | int locally_generated = 0; |
| 3488 | const u8 *addr = NULL; |
| 3489 | const u8 *ie = NULL; |
| 3490 | size_t ie_len = 0; |
| 3491 | |
| 3492 | wpa_dbg(wpa_s, MSG_DEBUG, "Deauthentication notification"); |
| 3493 | |
| 3494 | if (info) { |
| 3495 | addr = info->addr; |
| 3496 | ie = info->ie; |
| 3497 | ie_len = info->ie_len; |
| 3498 | reason_code = info->reason_code; |
| 3499 | locally_generated = info->locally_generated; |
| 3500 | wpa_dbg(wpa_s, MSG_DEBUG, " * reason %u%s", |
| 3501 | reason_code, |
| 3502 | locally_generated ? " (locally generated)" : ""); |
| 3503 | if (addr) { |
| 3504 | wpa_dbg(wpa_s, MSG_DEBUG, " * address " MACSTR, |
| 3505 | MAC2STR(addr)); |
| 3506 | } |
| 3507 | wpa_hexdump(MSG_DEBUG, "Deauthentication frame IE(s)", |
| 3508 | ie, ie_len); |
| 3509 | } |
| 3510 | |
| 3511 | wpa_reset_ft_completed(wpa_s->wpa); |
| 3512 | |
| 3513 | wpas_event_disconnect(wpa_s, addr, reason_code, |
| 3514 | locally_generated, ie, ie_len, 1); |
| 3515 | } |
| 3516 | |
| 3517 | |
Dmitry Shmidt | 7dba0e5 | 2014-04-14 10:49:15 -0700 | [diff] [blame] | 3518 | static const char * reg_init_str(enum reg_change_initiator init) |
| 3519 | { |
| 3520 | switch (init) { |
| 3521 | case REGDOM_SET_BY_CORE: |
| 3522 | return "CORE"; |
| 3523 | case REGDOM_SET_BY_USER: |
| 3524 | return "USER"; |
| 3525 | case REGDOM_SET_BY_DRIVER: |
| 3526 | return "DRIVER"; |
| 3527 | case REGDOM_SET_BY_COUNTRY_IE: |
| 3528 | return "COUNTRY_IE"; |
| 3529 | case REGDOM_BEACON_HINT: |
| 3530 | return "BEACON_HINT"; |
| 3531 | } |
| 3532 | return "?"; |
| 3533 | } |
| 3534 | |
| 3535 | |
| 3536 | static const char * reg_type_str(enum reg_type type) |
| 3537 | { |
| 3538 | switch (type) { |
| 3539 | case REGDOM_TYPE_UNKNOWN: |
| 3540 | return "UNKNOWN"; |
| 3541 | case REGDOM_TYPE_COUNTRY: |
| 3542 | return "COUNTRY"; |
| 3543 | case REGDOM_TYPE_WORLD: |
| 3544 | return "WORLD"; |
| 3545 | case REGDOM_TYPE_CUSTOM_WORLD: |
| 3546 | return "CUSTOM_WORLD"; |
| 3547 | case REGDOM_TYPE_INTERSECTION: |
| 3548 | return "INTERSECTION"; |
| 3549 | } |
| 3550 | return "?"; |
| 3551 | } |
| 3552 | |
| 3553 | |
| 3554 | static void wpa_supplicant_update_channel_list( |
| 3555 | struct wpa_supplicant *wpa_s, struct channel_list_changed *info) |
Dmitry Shmidt | cce0666 | 2013-11-04 18:44:24 -0800 | [diff] [blame] | 3556 | { |
Dmitry Shmidt | cce0666 | 2013-11-04 18:44:24 -0800 | [diff] [blame] | 3557 | struct wpa_supplicant *ifs; |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 3558 | u8 dfs_domain; |
Dmitry Shmidt | cce0666 | 2013-11-04 18:44:24 -0800 | [diff] [blame] | 3559 | |
Dmitry Shmidt | 849734c | 2016-05-27 09:59:01 -0700 | [diff] [blame] | 3560 | /* |
| 3561 | * To allow backwards compatibility with higher level layers that |
| 3562 | * assumed the REGDOM_CHANGE event is sent over the initially added |
| 3563 | * interface. Find the highest parent of this interface and use it to |
| 3564 | * send the event. |
| 3565 | */ |
| 3566 | for (ifs = wpa_s; ifs->parent && ifs != ifs->parent; ifs = ifs->parent) |
| 3567 | ; |
| 3568 | |
| 3569 | wpa_msg(ifs, MSG_INFO, WPA_EVENT_REGDOM_CHANGE "init=%s type=%s%s%s", |
Dmitry Shmidt | c281702 | 2014-07-02 10:32:10 -0700 | [diff] [blame] | 3570 | reg_init_str(info->initiator), reg_type_str(info->type), |
Dmitry Shmidt | 7dba0e5 | 2014-04-14 10:49:15 -0700 | [diff] [blame] | 3571 | info->alpha2[0] ? " alpha2=" : "", |
| 3572 | info->alpha2[0] ? info->alpha2 : ""); |
| 3573 | |
Dmitry Shmidt | cce0666 | 2013-11-04 18:44:24 -0800 | [diff] [blame] | 3574 | if (wpa_s->drv_priv == NULL) |
| 3575 | return; /* Ignore event during drv initialization */ |
| 3576 | |
Dmitry Shmidt | 01904cf | 2013-12-05 11:08:35 -0800 | [diff] [blame] | 3577 | dl_list_for_each(ifs, &wpa_s->radio->ifaces, struct wpa_supplicant, |
| 3578 | radio_list) { |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 3579 | wpa_printf(MSG_DEBUG, "%s: Updating hw mode", |
| 3580 | ifs->ifname); |
| 3581 | free_hw_features(ifs); |
| 3582 | ifs->hw.modes = wpa_drv_get_hw_feature_data( |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 3583 | ifs, &ifs->hw.num_modes, &ifs->hw.flags, &dfs_domain); |
Dmitry Shmidt | dda10c2 | 2015-03-24 16:05:01 -0700 | [diff] [blame] | 3584 | |
Dmitry Shmidt | 9839ecd | 2016-11-07 11:05:47 -0800 | [diff] [blame] | 3585 | /* Restart PNO/sched_scan with updated channel list */ |
| 3586 | if (ifs->pno) { |
| 3587 | wpas_stop_pno(ifs); |
| 3588 | wpas_start_pno(ifs); |
| 3589 | } else if (ifs->sched_scanning && !ifs->pno_sched_pending) { |
| 3590 | wpa_dbg(ifs, MSG_DEBUG, |
| 3591 | "Channel list changed - restart sched_scan"); |
| 3592 | wpas_scan_restart_sched_scan(ifs); |
| 3593 | } |
Dmitry Shmidt | dda10c2 | 2015-03-24 16:05:01 -0700 | [diff] [blame] | 3594 | } |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 3595 | |
| 3596 | wpas_p2p_update_channel_list(wpa_s, WPAS_P2P_CHANNEL_UPDATE_DRIVER); |
Dmitry Shmidt | cce0666 | 2013-11-04 18:44:24 -0800 | [diff] [blame] | 3597 | } |
| 3598 | |
| 3599 | |
Dmitry Shmidt | fb79edc | 2014-01-10 10:45:54 -0800 | [diff] [blame] | 3600 | static void wpas_event_rx_mgmt_action(struct wpa_supplicant *wpa_s, |
Dmitry Shmidt | 6c0da2b | 2015-01-05 13:08:17 -0800 | [diff] [blame] | 3601 | const u8 *frame, size_t len, int freq, |
| 3602 | int rssi) |
Dmitry Shmidt | fb79edc | 2014-01-10 10:45:54 -0800 | [diff] [blame] | 3603 | { |
Dmitry Shmidt | 623d63a | 2014-06-13 11:05:14 -0700 | [diff] [blame] | 3604 | const struct ieee80211_mgmt *mgmt; |
Dmitry Shmidt | fb79edc | 2014-01-10 10:45:54 -0800 | [diff] [blame] | 3605 | const u8 *payload; |
| 3606 | size_t plen; |
| 3607 | u8 category; |
| 3608 | |
| 3609 | if (len < IEEE80211_HDRLEN + 2) |
| 3610 | return; |
| 3611 | |
Dmitry Shmidt | 623d63a | 2014-06-13 11:05:14 -0700 | [diff] [blame] | 3612 | mgmt = (const struct ieee80211_mgmt *) frame; |
| 3613 | payload = frame + IEEE80211_HDRLEN; |
Dmitry Shmidt | fb79edc | 2014-01-10 10:45:54 -0800 | [diff] [blame] | 3614 | category = *payload++; |
Dmitry Shmidt | 623d63a | 2014-06-13 11:05:14 -0700 | [diff] [blame] | 3615 | plen = len - IEEE80211_HDRLEN - 1; |
Dmitry Shmidt | fb79edc | 2014-01-10 10:45:54 -0800 | [diff] [blame] | 3616 | |
| 3617 | wpa_dbg(wpa_s, MSG_DEBUG, "Received Action frame: SA=" MACSTR |
| 3618 | " Category=%u DataLen=%d freq=%d MHz", |
| 3619 | MAC2STR(mgmt->sa), category, (int) plen, freq); |
| 3620 | |
Dmitry Shmidt | 6c0da2b | 2015-01-05 13:08:17 -0800 | [diff] [blame] | 3621 | if (category == WLAN_ACTION_WMM) { |
| 3622 | wmm_ac_rx_action(wpa_s, mgmt->da, mgmt->sa, payload, plen); |
| 3623 | return; |
| 3624 | } |
| 3625 | |
Dmitry Shmidt | fb79edc | 2014-01-10 10:45:54 -0800 | [diff] [blame] | 3626 | #ifdef CONFIG_IEEE80211R |
| 3627 | if (category == WLAN_ACTION_FT) { |
| 3628 | ft_rx_action(wpa_s, payload, plen); |
| 3629 | return; |
| 3630 | } |
| 3631 | #endif /* CONFIG_IEEE80211R */ |
| 3632 | |
| 3633 | #ifdef CONFIG_IEEE80211W |
| 3634 | #ifdef CONFIG_SME |
| 3635 | if (category == WLAN_ACTION_SA_QUERY) { |
| 3636 | sme_sa_query_rx(wpa_s, mgmt->sa, payload, plen); |
| 3637 | return; |
| 3638 | } |
| 3639 | #endif /* CONFIG_SME */ |
| 3640 | #endif /* CONFIG_IEEE80211W */ |
| 3641 | |
| 3642 | #ifdef CONFIG_WNM |
| 3643 | if (mgmt->u.action.category == WLAN_ACTION_WNM) { |
| 3644 | ieee802_11_rx_wnm_action(wpa_s, mgmt, len); |
| 3645 | return; |
| 3646 | } |
| 3647 | #endif /* CONFIG_WNM */ |
| 3648 | |
| 3649 | #ifdef CONFIG_GAS |
Dmitry Shmidt | 1846323 | 2014-01-24 12:29:41 -0800 | [diff] [blame] | 3650 | if ((mgmt->u.action.category == WLAN_ACTION_PUBLIC || |
| 3651 | mgmt->u.action.category == WLAN_ACTION_PROTECTED_DUAL) && |
Dmitry Shmidt | fb79edc | 2014-01-10 10:45:54 -0800 | [diff] [blame] | 3652 | gas_query_rx(wpa_s->gas, mgmt->da, mgmt->sa, mgmt->bssid, |
Dmitry Shmidt | 1846323 | 2014-01-24 12:29:41 -0800 | [diff] [blame] | 3653 | mgmt->u.action.category, |
Dmitry Shmidt | fb79edc | 2014-01-10 10:45:54 -0800 | [diff] [blame] | 3654 | payload, plen, freq) == 0) |
| 3655 | return; |
| 3656 | #endif /* CONFIG_GAS */ |
| 3657 | |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 3658 | #ifdef CONFIG_GAS_SERVER |
| 3659 | if ((mgmt->u.action.category == WLAN_ACTION_PUBLIC || |
| 3660 | mgmt->u.action.category == WLAN_ACTION_PROTECTED_DUAL) && |
| 3661 | gas_server_rx(wpa_s->gas_server, mgmt->da, mgmt->sa, mgmt->bssid, |
| 3662 | mgmt->u.action.category, |
| 3663 | payload, plen, freq) == 0) |
| 3664 | return; |
| 3665 | #endif /* CONFIG_GAS_SERVER */ |
| 3666 | |
Dmitry Shmidt | fb79edc | 2014-01-10 10:45:54 -0800 | [diff] [blame] | 3667 | #ifdef CONFIG_TDLS |
| 3668 | if (category == WLAN_ACTION_PUBLIC && plen >= 4 && |
| 3669 | payload[0] == WLAN_TDLS_DISCOVERY_RESPONSE) { |
| 3670 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 3671 | "TDLS: Received Discovery Response from " MACSTR, |
| 3672 | MAC2STR(mgmt->sa)); |
| 3673 | return; |
| 3674 | } |
| 3675 | #endif /* CONFIG_TDLS */ |
| 3676 | |
| 3677 | #ifdef CONFIG_INTERWORKING |
| 3678 | if (category == WLAN_ACTION_QOS && plen >= 1 && |
| 3679 | payload[0] == QOS_QOS_MAP_CONFIG) { |
| 3680 | const u8 *pos = payload + 1; |
| 3681 | size_t qlen = plen - 1; |
| 3682 | wpa_dbg(wpa_s, MSG_DEBUG, "Interworking: Received QoS Map Configure frame from " |
| 3683 | MACSTR, MAC2STR(mgmt->sa)); |
| 3684 | if (os_memcmp(mgmt->sa, wpa_s->bssid, ETH_ALEN) == 0 && |
| 3685 | qlen > 2 && pos[0] == WLAN_EID_QOS_MAP_SET && |
| 3686 | pos[1] <= qlen - 2 && pos[1] >= 16) |
| 3687 | wpas_qos_map_set(wpa_s, pos + 2, pos[1]); |
| 3688 | return; |
| 3689 | } |
| 3690 | #endif /* CONFIG_INTERWORKING */ |
| 3691 | |
Dmitry Shmidt | 6c0da2b | 2015-01-05 13:08:17 -0800 | [diff] [blame] | 3692 | if (category == WLAN_ACTION_RADIO_MEASUREMENT && |
Dmitry Shmidt | 849734c | 2016-05-27 09:59:01 -0700 | [diff] [blame] | 3693 | payload[0] == WLAN_RRM_RADIO_MEASUREMENT_REQUEST) { |
| 3694 | wpas_rrm_handle_radio_measurement_request(wpa_s, mgmt->sa, |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 3695 | mgmt->da, |
Dmitry Shmidt | 849734c | 2016-05-27 09:59:01 -0700 | [diff] [blame] | 3696 | payload + 1, |
| 3697 | plen - 1); |
| 3698 | return; |
| 3699 | } |
| 3700 | |
| 3701 | if (category == WLAN_ACTION_RADIO_MEASUREMENT && |
Dmitry Shmidt | 6c0da2b | 2015-01-05 13:08:17 -0800 | [diff] [blame] | 3702 | payload[0] == WLAN_RRM_NEIGHBOR_REPORT_RESPONSE) { |
| 3703 | wpas_rrm_process_neighbor_rep(wpa_s, payload + 1, plen - 1); |
| 3704 | return; |
| 3705 | } |
| 3706 | |
| 3707 | if (category == WLAN_ACTION_RADIO_MEASUREMENT && |
| 3708 | payload[0] == WLAN_RRM_LINK_MEASUREMENT_REQUEST) { |
| 3709 | wpas_rrm_handle_link_measurement_request(wpa_s, mgmt->sa, |
| 3710 | payload + 1, plen - 1, |
| 3711 | rssi); |
| 3712 | return; |
| 3713 | } |
| 3714 | |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 3715 | #ifdef CONFIG_FST |
| 3716 | if (mgmt->u.action.category == WLAN_ACTION_FST && wpa_s->fst) { |
| 3717 | fst_rx_action(wpa_s->fst, mgmt, len); |
| 3718 | return; |
| 3719 | } |
| 3720 | #endif /* CONFIG_FST */ |
| 3721 | |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 3722 | #ifdef CONFIG_DPP |
| 3723 | if (category == WLAN_ACTION_PUBLIC && plen >= 5 && |
| 3724 | payload[0] == WLAN_PA_VENDOR_SPECIFIC && |
| 3725 | WPA_GET_BE24(&payload[1]) == OUI_WFA && |
| 3726 | payload[4] == DPP_OUI_TYPE) { |
| 3727 | payload++; |
| 3728 | plen--; |
| 3729 | wpas_dpp_rx_action(wpa_s, mgmt->sa, payload, plen, freq); |
| 3730 | return; |
| 3731 | } |
| 3732 | #endif /* CONFIG_DPP */ |
| 3733 | |
Dmitry Shmidt | fb79edc | 2014-01-10 10:45:54 -0800 | [diff] [blame] | 3734 | wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid, |
| 3735 | category, payload, plen, freq); |
Dmitry Shmidt | 6c0da2b | 2015-01-05 13:08:17 -0800 | [diff] [blame] | 3736 | if (wpa_s->ifmsh) |
| 3737 | mesh_mpm_action_rx(wpa_s, mgmt, len); |
Dmitry Shmidt | fb79edc | 2014-01-10 10:45:54 -0800 | [diff] [blame] | 3738 | } |
| 3739 | |
| 3740 | |
Dmitry Shmidt | cf32e60 | 2014-01-28 10:57:39 -0800 | [diff] [blame] | 3741 | static void wpa_supplicant_notify_avoid_freq(struct wpa_supplicant *wpa_s, |
| 3742 | union wpa_event_data *event) |
| 3743 | { |
Dmitry Shmidt | cf32e60 | 2014-01-28 10:57:39 -0800 | [diff] [blame] | 3744 | struct wpa_freq_range_list *list; |
| 3745 | char *str = NULL; |
| 3746 | |
| 3747 | list = &event->freq_range; |
| 3748 | |
| 3749 | if (list->num) |
| 3750 | str = freq_range_list_str(list); |
| 3751 | wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_AVOID_FREQ "ranges=%s", |
| 3752 | str ? str : ""); |
| 3753 | |
| 3754 | #ifdef CONFIG_P2P |
| 3755 | if (freq_range_list_parse(&wpa_s->global->p2p_go_avoid_freq, str)) { |
| 3756 | wpa_dbg(wpa_s, MSG_ERROR, "%s: Failed to parse freq range", |
| 3757 | __func__); |
| 3758 | } else { |
| 3759 | wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Update channel list based on frequency avoid event"); |
Dmitry Shmidt | cf32e60 | 2014-01-28 10:57:39 -0800 | [diff] [blame] | 3760 | |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 3761 | /* |
| 3762 | * The update channel flow will also take care of moving a GO |
| 3763 | * from the unsafe frequency if needed. |
| 3764 | */ |
| 3765 | wpas_p2p_update_channel_list(wpa_s, |
| 3766 | WPAS_P2P_CHANNEL_UPDATE_AVOID); |
Dmitry Shmidt | cf32e60 | 2014-01-28 10:57:39 -0800 | [diff] [blame] | 3767 | } |
| 3768 | #endif /* CONFIG_P2P */ |
| 3769 | |
| 3770 | os_free(str); |
| 3771 | } |
| 3772 | |
| 3773 | |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 3774 | static void wpa_supplicant_event_port_authorized(struct wpa_supplicant *wpa_s) |
Dmitry Shmidt | 6c0da2b | 2015-01-05 13:08:17 -0800 | [diff] [blame] | 3775 | { |
Dmitry Shmidt | 6c0da2b | 2015-01-05 13:08:17 -0800 | [diff] [blame] | 3776 | if (wpa_s->wpa_state == WPA_ASSOCIATED) { |
| 3777 | wpa_supplicant_cancel_auth_timeout(wpa_s); |
| 3778 | wpa_supplicant_set_state(wpa_s, WPA_COMPLETED); |
| 3779 | eapol_sm_notify_portValid(wpa_s->eapol, TRUE); |
| 3780 | eapol_sm_notify_eap_success(wpa_s->eapol, TRUE); |
| 3781 | } |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 3782 | } |
| 3783 | |
| 3784 | |
| 3785 | static unsigned int wpas_event_cac_ms(const struct wpa_supplicant *wpa_s, |
| 3786 | int freq) |
| 3787 | { |
| 3788 | size_t i; |
| 3789 | int j; |
| 3790 | |
| 3791 | for (i = 0; i < wpa_s->hw.num_modes; i++) { |
| 3792 | const struct hostapd_hw_modes *mode = &wpa_s->hw.modes[i]; |
| 3793 | |
| 3794 | for (j = 0; j < mode->num_channels; j++) { |
| 3795 | const struct hostapd_channel_data *chan; |
| 3796 | |
| 3797 | chan = &mode->channels[j]; |
| 3798 | if (chan->freq == freq) |
| 3799 | return chan->dfs_cac_ms; |
| 3800 | } |
| 3801 | } |
| 3802 | |
| 3803 | return 0; |
| 3804 | } |
| 3805 | |
| 3806 | |
| 3807 | static void wpas_event_dfs_cac_started(struct wpa_supplicant *wpa_s, |
| 3808 | struct dfs_event *radar) |
| 3809 | { |
| 3810 | #if defined(NEED_AP_MLME) && defined(CONFIG_AP) |
| 3811 | if (wpa_s->ap_iface) { |
| 3812 | wpas_ap_event_dfs_cac_started(wpa_s, radar); |
| 3813 | } else |
| 3814 | #endif /* NEED_AP_MLME && CONFIG_AP */ |
| 3815 | { |
| 3816 | unsigned int cac_time = wpas_event_cac_ms(wpa_s, radar->freq); |
| 3817 | |
| 3818 | cac_time /= 1000; /* convert from ms to sec */ |
| 3819 | if (!cac_time) |
| 3820 | cac_time = 10 * 60; /* max timeout: 10 minutes */ |
| 3821 | |
| 3822 | /* Restart auth timeout: CAC time added to initial timeout */ |
| 3823 | wpas_auth_timeout_restart(wpa_s, cac_time); |
| 3824 | } |
| 3825 | } |
| 3826 | |
| 3827 | |
| 3828 | static void wpas_event_dfs_cac_finished(struct wpa_supplicant *wpa_s, |
| 3829 | struct dfs_event *radar) |
| 3830 | { |
| 3831 | #if defined(NEED_AP_MLME) && defined(CONFIG_AP) |
| 3832 | if (wpa_s->ap_iface) { |
| 3833 | wpas_ap_event_dfs_cac_finished(wpa_s, radar); |
| 3834 | } else |
| 3835 | #endif /* NEED_AP_MLME && CONFIG_AP */ |
| 3836 | { |
| 3837 | /* Restart auth timeout with original value after CAC is |
| 3838 | * finished */ |
| 3839 | wpas_auth_timeout_restart(wpa_s, 0); |
| 3840 | } |
| 3841 | } |
| 3842 | |
| 3843 | |
| 3844 | static void wpas_event_dfs_cac_aborted(struct wpa_supplicant *wpa_s, |
| 3845 | struct dfs_event *radar) |
| 3846 | { |
| 3847 | #if defined(NEED_AP_MLME) && defined(CONFIG_AP) |
| 3848 | if (wpa_s->ap_iface) { |
| 3849 | wpas_ap_event_dfs_cac_aborted(wpa_s, radar); |
| 3850 | } else |
| 3851 | #endif /* NEED_AP_MLME && CONFIG_AP */ |
| 3852 | { |
| 3853 | /* Restart auth timeout with original value after CAC is |
| 3854 | * aborted */ |
| 3855 | wpas_auth_timeout_restart(wpa_s, 0); |
| 3856 | } |
| 3857 | } |
| 3858 | |
| 3859 | |
| 3860 | static void wpa_supplicant_event_assoc_auth(struct wpa_supplicant *wpa_s, |
| 3861 | union wpa_event_data *data) |
| 3862 | { |
| 3863 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 3864 | "Connection authorized by device, previous state %d", |
| 3865 | wpa_s->wpa_state); |
| 3866 | |
| 3867 | wpa_supplicant_event_port_authorized(wpa_s); |
| 3868 | |
Dmitry Shmidt | 6c0da2b | 2015-01-05 13:08:17 -0800 | [diff] [blame] | 3869 | wpa_sm_set_rx_replay_ctr(wpa_s->wpa, data->assoc_info.key_replay_ctr); |
| 3870 | wpa_sm_set_ptk_kck_kek(wpa_s->wpa, data->assoc_info.ptk_kck, |
Dmitry Shmidt | 807291d | 2015-01-27 13:40:23 -0800 | [diff] [blame] | 3871 | data->assoc_info.ptk_kck_len, |
| 3872 | data->assoc_info.ptk_kek, |
| 3873 | data->assoc_info.ptk_kek_len); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 3874 | #ifdef CONFIG_FILS |
| 3875 | if (wpa_s->auth_alg == WPA_AUTH_ALG_FILS) { |
| 3876 | struct wpa_bss *bss = wpa_bss_get_bssid(wpa_s, wpa_s->bssid); |
| 3877 | const u8 *fils_cache_id = wpa_bss_get_fils_cache_id(bss); |
| 3878 | |
| 3879 | /* Update ERP next sequence number */ |
| 3880 | eapol_sm_update_erp_next_seq_num( |
| 3881 | wpa_s->eapol, data->assoc_info.fils_erp_next_seq_num); |
| 3882 | |
| 3883 | if (data->assoc_info.fils_pmk && data->assoc_info.fils_pmkid) { |
| 3884 | /* Add the new PMK and PMKID to the PMKSA cache */ |
| 3885 | wpa_sm_pmksa_cache_add(wpa_s->wpa, |
| 3886 | data->assoc_info.fils_pmk, |
| 3887 | data->assoc_info.fils_pmk_len, |
| 3888 | data->assoc_info.fils_pmkid, |
| 3889 | wpa_s->bssid, fils_cache_id); |
| 3890 | } else if (data->assoc_info.fils_pmkid) { |
| 3891 | /* Update the current PMKSA used for this connection */ |
| 3892 | pmksa_cache_set_current(wpa_s->wpa, |
| 3893 | data->assoc_info.fils_pmkid, |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 3894 | NULL, NULL, 0, NULL, 0); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 3895 | } |
| 3896 | } |
| 3897 | #endif /* CONFIG_FILS */ |
Dmitry Shmidt | 6c0da2b | 2015-01-05 13:08:17 -0800 | [diff] [blame] | 3898 | } |
| 3899 | |
| 3900 | |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 3901 | static void wpas_event_assoc_reject(struct wpa_supplicant *wpa_s, |
| 3902 | union wpa_event_data *data) |
| 3903 | { |
| 3904 | const u8 *bssid = data->assoc_reject.bssid; |
| 3905 | |
| 3906 | if (!bssid || is_zero_ether_addr(bssid)) |
| 3907 | bssid = wpa_s->pending_bssid; |
| 3908 | |
| 3909 | if (data->assoc_reject.bssid) |
| 3910 | wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_ASSOC_REJECT |
| 3911 | "bssid=" MACSTR " status_code=%u%s%s%s", |
| 3912 | MAC2STR(data->assoc_reject.bssid), |
| 3913 | data->assoc_reject.status_code, |
| 3914 | data->assoc_reject.timed_out ? " timeout" : "", |
| 3915 | data->assoc_reject.timeout_reason ? "=" : "", |
| 3916 | data->assoc_reject.timeout_reason ? |
| 3917 | data->assoc_reject.timeout_reason : ""); |
| 3918 | else |
| 3919 | wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_ASSOC_REJECT |
| 3920 | "status_code=%u%s%s%s", |
| 3921 | data->assoc_reject.status_code, |
| 3922 | data->assoc_reject.timed_out ? " timeout" : "", |
| 3923 | data->assoc_reject.timeout_reason ? "=" : "", |
| 3924 | data->assoc_reject.timeout_reason ? |
| 3925 | data->assoc_reject.timeout_reason : ""); |
| 3926 | wpa_s->assoc_status_code = data->assoc_reject.status_code; |
| 3927 | wpa_s->assoc_timed_out = data->assoc_reject.timed_out; |
| 3928 | wpas_notify_assoc_status_code(wpa_s); |
| 3929 | |
| 3930 | #ifdef CONFIG_OWE |
| 3931 | if (data->assoc_reject.status_code == |
| 3932 | WLAN_STATUS_FINITE_CYCLIC_GROUP_NOT_SUPPORTED && |
| 3933 | wpa_s->key_mgmt == WPA_KEY_MGMT_OWE && |
| 3934 | wpa_s->current_ssid && |
| 3935 | wpa_s->current_ssid->owe_group == 0 && |
| 3936 | wpa_s->last_owe_group != 21) { |
| 3937 | struct wpa_ssid *ssid = wpa_s->current_ssid; |
| 3938 | struct wpa_bss *bss = wpa_s->current_bss; |
| 3939 | |
| 3940 | if (!bss) { |
| 3941 | bss = wpa_supplicant_get_new_bss(wpa_s, bssid); |
| 3942 | if (!bss) { |
| 3943 | wpas_connection_failed(wpa_s, bssid); |
| 3944 | wpa_supplicant_mark_disassoc(wpa_s); |
| 3945 | return; |
| 3946 | } |
| 3947 | } |
| 3948 | wpa_printf(MSG_DEBUG, "OWE: Try next supported DH group"); |
| 3949 | wpas_connect_work_done(wpa_s); |
| 3950 | wpa_supplicant_mark_disassoc(wpa_s); |
| 3951 | wpa_supplicant_connect(wpa_s, bss, ssid); |
| 3952 | return; |
| 3953 | } |
| 3954 | #endif /* CONFIG_OWE */ |
| 3955 | |
| 3956 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) { |
| 3957 | sme_event_assoc_reject(wpa_s, data); |
| 3958 | return; |
| 3959 | } |
| 3960 | |
| 3961 | /* Driver-based SME cases */ |
| 3962 | |
| 3963 | #ifdef CONFIG_SAE |
| 3964 | if (wpa_s->current_ssid && |
| 3965 | wpa_key_mgmt_sae(wpa_s->current_ssid->key_mgmt) && |
| 3966 | !data->assoc_reject.timed_out) { |
| 3967 | wpa_dbg(wpa_s, MSG_DEBUG, "SAE: Drop PMKSA cache entry"); |
| 3968 | wpa_sm_aborted_cached(wpa_s->wpa); |
| 3969 | wpa_sm_pmksa_cache_flush(wpa_s->wpa, wpa_s->current_ssid); |
| 3970 | } |
| 3971 | #endif /* CONFIG_SAE */ |
| 3972 | |
| 3973 | #ifdef CONFIG_FILS |
| 3974 | /* Update ERP next sequence number */ |
Hai Shalom | ce48b4a | 2018-09-05 11:41:35 -0700 | [diff] [blame] | 3975 | if (wpa_s->auth_alg == WPA_AUTH_ALG_FILS) { |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 3976 | eapol_sm_update_erp_next_seq_num( |
| 3977 | wpa_s->eapol, |
| 3978 | data->assoc_reject.fils_erp_next_seq_num); |
Hai Shalom | ce48b4a | 2018-09-05 11:41:35 -0700 | [diff] [blame] | 3979 | fils_connection_failure(wpa_s); |
| 3980 | } |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 3981 | #endif /* CONFIG_FILS */ |
| 3982 | |
| 3983 | wpas_connection_failed(wpa_s, bssid); |
| 3984 | wpa_supplicant_mark_disassoc(wpa_s); |
| 3985 | } |
| 3986 | |
| 3987 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 3988 | void wpa_supplicant_event(void *ctx, enum wpa_event_type event, |
| 3989 | union wpa_event_data *data) |
| 3990 | { |
| 3991 | struct wpa_supplicant *wpa_s = ctx; |
Dmitry Shmidt | af9da31 | 2015-04-03 10:03:11 -0700 | [diff] [blame] | 3992 | int resched; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 3993 | |
| 3994 | if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED && |
| 3995 | event != EVENT_INTERFACE_ENABLED && |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 3996 | event != EVENT_INTERFACE_STATUS && |
Dmitry Shmidt | 9c17526 | 2016-03-03 10:20:07 -0800 | [diff] [blame] | 3997 | event != EVENT_SCAN_RESULTS && |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 3998 | event != EVENT_SCHED_SCAN_STOPPED) { |
| 3999 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 4000 | "Ignore event %s (%d) while interface is disabled", |
| 4001 | event_to_string(event), event); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 4002 | return; |
| 4003 | } |
| 4004 | |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 4005 | #ifndef CONFIG_NO_STDOUT_DEBUG |
| 4006 | { |
| 4007 | int level = MSG_DEBUG; |
| 4008 | |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 4009 | if (event == EVENT_RX_MGMT && data->rx_mgmt.frame_len >= 24) { |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 4010 | const struct ieee80211_hdr *hdr; |
| 4011 | u16 fc; |
| 4012 | hdr = (const struct ieee80211_hdr *) data->rx_mgmt.frame; |
| 4013 | fc = le_to_host16(hdr->frame_control); |
| 4014 | if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT && |
| 4015 | WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON) |
| 4016 | level = MSG_EXCESSIVE; |
| 4017 | } |
| 4018 | |
| 4019 | wpa_dbg(wpa_s, level, "Event %s (%d) received", |
| 4020 | event_to_string(event), event); |
| 4021 | } |
| 4022 | #endif /* CONFIG_NO_STDOUT_DEBUG */ |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 4023 | |
| 4024 | switch (event) { |
| 4025 | case EVENT_AUTH: |
Dmitry Shmidt | d7ff03d | 2015-12-04 14:49:35 -0800 | [diff] [blame] | 4026 | #ifdef CONFIG_FST |
Dmitry Shmidt | 55840ad | 2015-12-14 12:45:46 -0800 | [diff] [blame] | 4027 | if (!wpas_fst_update_mbie(wpa_s, data->auth.ies, |
| 4028 | data->auth.ies_len)) |
| 4029 | wpa_printf(MSG_DEBUG, |
| 4030 | "FST: MB IEs updated from auth IE"); |
Dmitry Shmidt | d7ff03d | 2015-12-04 14:49:35 -0800 | [diff] [blame] | 4031 | #endif /* CONFIG_FST */ |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 4032 | sme_event_auth(wpa_s, data); |
| 4033 | break; |
| 4034 | case EVENT_ASSOC: |
Dmitry Shmidt | aca489e | 2016-09-28 15:44:14 -0700 | [diff] [blame] | 4035 | #ifdef CONFIG_TESTING_OPTIONS |
| 4036 | if (wpa_s->ignore_auth_resp) { |
| 4037 | wpa_printf(MSG_INFO, |
| 4038 | "EVENT_ASSOC - ignore_auth_resp active!"); |
| 4039 | break; |
| 4040 | } |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 4041 | if (wpa_s->testing_resend_assoc) { |
| 4042 | wpa_printf(MSG_INFO, |
| 4043 | "EVENT_DEAUTH - testing_resend_assoc"); |
| 4044 | break; |
| 4045 | } |
Dmitry Shmidt | aca489e | 2016-09-28 15:44:14 -0700 | [diff] [blame] | 4046 | #endif /* CONFIG_TESTING_OPTIONS */ |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 4047 | wpa_supplicant_event_assoc(wpa_s, data); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 4048 | if (data && |
| 4049 | (data->assoc_info.authorized || |
| 4050 | (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) && |
| 4051 | wpa_fils_is_completed(wpa_s->wpa)))) |
Dmitry Shmidt | 6c0da2b | 2015-01-05 13:08:17 -0800 | [diff] [blame] | 4052 | wpa_supplicant_event_assoc_auth(wpa_s, data); |
Dmitry Shmidt | d7ff03d | 2015-12-04 14:49:35 -0800 | [diff] [blame] | 4053 | if (data) { |
| 4054 | wpa_msg(wpa_s, MSG_INFO, |
| 4055 | WPA_EVENT_SUBNET_STATUS_UPDATE "status=%u", |
| 4056 | data->assoc_info.subnet_status); |
| 4057 | } |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 4058 | break; |
| 4059 | case EVENT_DISASSOC: |
Dmitry Shmidt | c2ebb4b | 2013-07-24 12:57:51 -0700 | [diff] [blame] | 4060 | wpas_event_disassoc(wpa_s, |
| 4061 | data ? &data->disassoc_info : NULL); |
| 4062 | break; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 4063 | case EVENT_DEAUTH: |
Dmitry Shmidt | aca489e | 2016-09-28 15:44:14 -0700 | [diff] [blame] | 4064 | #ifdef CONFIG_TESTING_OPTIONS |
| 4065 | if (wpa_s->ignore_auth_resp) { |
| 4066 | wpa_printf(MSG_INFO, |
| 4067 | "EVENT_DEAUTH - ignore_auth_resp active!"); |
| 4068 | break; |
| 4069 | } |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 4070 | if (wpa_s->testing_resend_assoc) { |
| 4071 | wpa_printf(MSG_INFO, |
| 4072 | "EVENT_DEAUTH - testing_resend_assoc"); |
| 4073 | break; |
| 4074 | } |
Dmitry Shmidt | aca489e | 2016-09-28 15:44:14 -0700 | [diff] [blame] | 4075 | #endif /* CONFIG_TESTING_OPTIONS */ |
Dmitry Shmidt | c2ebb4b | 2013-07-24 12:57:51 -0700 | [diff] [blame] | 4076 | wpas_event_deauth(wpa_s, |
| 4077 | data ? &data->deauth_info : NULL); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 4078 | break; |
| 4079 | case EVENT_MICHAEL_MIC_FAILURE: |
| 4080 | wpa_supplicant_event_michael_mic_failure(wpa_s, data); |
| 4081 | break; |
| 4082 | #ifndef CONFIG_NO_SCAN_PROCESSING |
Dmitry Shmidt | fb79edc | 2014-01-10 10:45:54 -0800 | [diff] [blame] | 4083 | case EVENT_SCAN_STARTED: |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 4084 | if (wpa_s->own_scan_requested || |
| 4085 | (data && !data->scan_info.external_scan)) { |
Dmitry Shmidt | fb79edc | 2014-01-10 10:45:54 -0800 | [diff] [blame] | 4086 | struct os_reltime diff; |
| 4087 | |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 4088 | os_get_reltime(&wpa_s->scan_start_time); |
Dmitry Shmidt | fb79edc | 2014-01-10 10:45:54 -0800 | [diff] [blame] | 4089 | os_reltime_sub(&wpa_s->scan_start_time, |
| 4090 | &wpa_s->scan_trigger_time, &diff); |
| 4091 | wpa_dbg(wpa_s, MSG_DEBUG, "Own scan request started a scan in %ld.%06ld seconds", |
| 4092 | diff.sec, diff.usec); |
| 4093 | wpa_s->own_scan_requested = 0; |
| 4094 | wpa_s->own_scan_running = 1; |
| 4095 | if (wpa_s->last_scan_req == MANUAL_SCAN_REQ && |
| 4096 | wpa_s->manual_scan_use_id) { |
Dmitry Shmidt | 661b4f7 | 2014-09-29 14:58:27 -0700 | [diff] [blame] | 4097 | wpa_msg_ctrl(wpa_s, MSG_INFO, |
| 4098 | WPA_EVENT_SCAN_STARTED "id=%u", |
| 4099 | wpa_s->manual_scan_id); |
Dmitry Shmidt | fb79edc | 2014-01-10 10:45:54 -0800 | [diff] [blame] | 4100 | } else { |
Dmitry Shmidt | 661b4f7 | 2014-09-29 14:58:27 -0700 | [diff] [blame] | 4101 | wpa_msg_ctrl(wpa_s, MSG_INFO, |
| 4102 | WPA_EVENT_SCAN_STARTED); |
Dmitry Shmidt | fb79edc | 2014-01-10 10:45:54 -0800 | [diff] [blame] | 4103 | } |
| 4104 | } else { |
| 4105 | wpa_dbg(wpa_s, MSG_DEBUG, "External program started a scan"); |
Dmitry Shmidt | 2f74e36 | 2015-01-21 13:19:05 -0800 | [diff] [blame] | 4106 | wpa_s->radio->external_scan_running = 1; |
Dmitry Shmidt | 661b4f7 | 2014-09-29 14:58:27 -0700 | [diff] [blame] | 4107 | wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_SCAN_STARTED); |
Dmitry Shmidt | fb79edc | 2014-01-10 10:45:54 -0800 | [diff] [blame] | 4108 | } |
| 4109 | break; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 4110 | case EVENT_SCAN_RESULTS: |
Dmitry Shmidt | 9c17526 | 2016-03-03 10:20:07 -0800 | [diff] [blame] | 4111 | if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) { |
| 4112 | wpa_s->scan_res_handler = NULL; |
| 4113 | wpa_s->own_scan_running = 0; |
| 4114 | wpa_s->radio->external_scan_running = 0; |
| 4115 | wpa_s->last_scan_req = NORMAL_SCAN_REQ; |
| 4116 | break; |
| 4117 | } |
| 4118 | |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 4119 | if (!(data && data->scan_info.external_scan) && |
| 4120 | os_reltime_initialized(&wpa_s->scan_start_time)) { |
Dmitry Shmidt | fb79edc | 2014-01-10 10:45:54 -0800 | [diff] [blame] | 4121 | struct os_reltime now, diff; |
| 4122 | os_get_reltime(&now); |
| 4123 | os_reltime_sub(&now, &wpa_s->scan_start_time, &diff); |
| 4124 | wpa_s->scan_start_time.sec = 0; |
| 4125 | wpa_s->scan_start_time.usec = 0; |
| 4126 | wpa_dbg(wpa_s, MSG_DEBUG, "Scan completed in %ld.%06ld seconds", |
| 4127 | diff.sec, diff.usec); |
| 4128 | } |
Dmitry Shmidt | 7f65602 | 2015-02-25 14:36:37 -0800 | [diff] [blame] | 4129 | if (wpa_supplicant_event_scan_results(wpa_s, data)) |
| 4130 | break; /* interface may have been removed */ |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 4131 | if (!(data && data->scan_info.external_scan)) |
| 4132 | wpa_s->own_scan_running = 0; |
| 4133 | if (data && data->scan_info.nl_scan_event) |
| 4134 | wpa_s->radio->external_scan_running = 0; |
Dmitry Shmidt | fb79edc | 2014-01-10 10:45:54 -0800 | [diff] [blame] | 4135 | radio_work_check_next(wpa_s); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 4136 | break; |
| 4137 | #endif /* CONFIG_NO_SCAN_PROCESSING */ |
| 4138 | case EVENT_ASSOCINFO: |
| 4139 | wpa_supplicant_event_associnfo(wpa_s, data); |
| 4140 | break; |
| 4141 | case EVENT_INTERFACE_STATUS: |
| 4142 | wpa_supplicant_event_interface_status(wpa_s, data); |
| 4143 | break; |
| 4144 | case EVENT_PMKID_CANDIDATE: |
| 4145 | wpa_supplicant_event_pmkid_candidate(wpa_s, data); |
| 4146 | break; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 4147 | #ifdef CONFIG_TDLS |
| 4148 | case EVENT_TDLS: |
| 4149 | wpa_supplicant_event_tdls(wpa_s, data); |
| 4150 | break; |
| 4151 | #endif /* CONFIG_TDLS */ |
Dmitry Shmidt | a54fa5f | 2013-01-15 13:53:35 -0800 | [diff] [blame] | 4152 | #ifdef CONFIG_WNM |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 4153 | case EVENT_WNM: |
| 4154 | wpa_supplicant_event_wnm(wpa_s, data); |
| 4155 | break; |
Dmitry Shmidt | a54fa5f | 2013-01-15 13:53:35 -0800 | [diff] [blame] | 4156 | #endif /* CONFIG_WNM */ |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 4157 | #ifdef CONFIG_IEEE80211R |
| 4158 | case EVENT_FT_RESPONSE: |
| 4159 | wpa_supplicant_event_ft_response(wpa_s, data); |
| 4160 | break; |
| 4161 | #endif /* CONFIG_IEEE80211R */ |
| 4162 | #ifdef CONFIG_IBSS_RSN |
| 4163 | case EVENT_IBSS_RSN_START: |
| 4164 | wpa_supplicant_event_ibss_rsn_start(wpa_s, data); |
| 4165 | break; |
| 4166 | #endif /* CONFIG_IBSS_RSN */ |
| 4167 | case EVENT_ASSOC_REJECT: |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 4168 | wpas_event_assoc_reject(wpa_s, data); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 4169 | break; |
| 4170 | case EVENT_AUTH_TIMED_OUT: |
Dmitry Shmidt | 6c0da2b | 2015-01-05 13:08:17 -0800 | [diff] [blame] | 4171 | /* It is possible to get this event from earlier connection */ |
| 4172 | if (wpa_s->current_ssid && |
| 4173 | wpa_s->current_ssid->mode == WPAS_MODE_MESH) { |
| 4174 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 4175 | "Ignore AUTH_TIMED_OUT in mesh configuration"); |
| 4176 | break; |
| 4177 | } |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 4178 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) |
| 4179 | sme_event_auth_timed_out(wpa_s, data); |
| 4180 | break; |
| 4181 | case EVENT_ASSOC_TIMED_OUT: |
Dmitry Shmidt | 6c0da2b | 2015-01-05 13:08:17 -0800 | [diff] [blame] | 4182 | /* It is possible to get this event from earlier connection */ |
| 4183 | if (wpa_s->current_ssid && |
| 4184 | wpa_s->current_ssid->mode == WPAS_MODE_MESH) { |
| 4185 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 4186 | "Ignore ASSOC_TIMED_OUT in mesh configuration"); |
| 4187 | break; |
| 4188 | } |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 4189 | if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) |
| 4190 | sme_event_assoc_timed_out(wpa_s, data); |
| 4191 | break; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 4192 | case EVENT_TX_STATUS: |
| 4193 | wpa_dbg(wpa_s, MSG_DEBUG, "EVENT_TX_STATUS dst=" MACSTR |
| 4194 | " type=%d stype=%d", |
| 4195 | MAC2STR(data->tx_status.dst), |
| 4196 | data->tx_status.type, data->tx_status.stype); |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 4197 | #ifdef CONFIG_AP |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 4198 | if (wpa_s->ap_iface == NULL) { |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 4199 | #ifdef CONFIG_OFFCHANNEL |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 4200 | if (data->tx_status.type == WLAN_FC_TYPE_MGMT && |
| 4201 | data->tx_status.stype == WLAN_FC_STYPE_ACTION) |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 4202 | offchannel_send_action_tx_status( |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 4203 | wpa_s, data->tx_status.dst, |
| 4204 | data->tx_status.data, |
| 4205 | data->tx_status.data_len, |
| 4206 | data->tx_status.ack ? |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 4207 | OFFCHANNEL_SEND_ACTION_SUCCESS : |
| 4208 | OFFCHANNEL_SEND_ACTION_NO_ACK); |
| 4209 | #endif /* CONFIG_OFFCHANNEL */ |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 4210 | break; |
| 4211 | } |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 4212 | #endif /* CONFIG_AP */ |
| 4213 | #ifdef CONFIG_OFFCHANNEL |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 4214 | wpa_dbg(wpa_s, MSG_DEBUG, "EVENT_TX_STATUS pending_dst=" |
Dmitry Shmidt | 849734c | 2016-05-27 09:59:01 -0700 | [diff] [blame] | 4215 | MACSTR, MAC2STR(wpa_s->p2pdev->pending_action_dst)); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 4216 | /* |
| 4217 | * Catch TX status events for Action frames we sent via group |
Dmitry Shmidt | 849734c | 2016-05-27 09:59:01 -0700 | [diff] [blame] | 4218 | * interface in GO mode, or via standalone AP interface. |
| 4219 | * Note, wpa_s->p2pdev will be the same as wpa_s->parent, |
| 4220 | * except when the primary interface is used as a GO interface |
| 4221 | * (for drivers which do not have group interface concurrency) |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 4222 | */ |
| 4223 | if (data->tx_status.type == WLAN_FC_TYPE_MGMT && |
| 4224 | data->tx_status.stype == WLAN_FC_STYPE_ACTION && |
Dmitry Shmidt | 849734c | 2016-05-27 09:59:01 -0700 | [diff] [blame] | 4225 | os_memcmp(wpa_s->p2pdev->pending_action_dst, |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 4226 | data->tx_status.dst, ETH_ALEN) == 0) { |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 4227 | offchannel_send_action_tx_status( |
Dmitry Shmidt | 849734c | 2016-05-27 09:59:01 -0700 | [diff] [blame] | 4228 | wpa_s->p2pdev, data->tx_status.dst, |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 4229 | data->tx_status.data, |
| 4230 | data->tx_status.data_len, |
| 4231 | data->tx_status.ack ? |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 4232 | OFFCHANNEL_SEND_ACTION_SUCCESS : |
| 4233 | OFFCHANNEL_SEND_ACTION_NO_ACK); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 4234 | break; |
| 4235 | } |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 4236 | #endif /* CONFIG_OFFCHANNEL */ |
| 4237 | #ifdef CONFIG_AP |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 4238 | switch (data->tx_status.type) { |
| 4239 | case WLAN_FC_TYPE_MGMT: |
| 4240 | ap_mgmt_tx_cb(wpa_s, data->tx_status.data, |
| 4241 | data->tx_status.data_len, |
| 4242 | data->tx_status.stype, |
| 4243 | data->tx_status.ack); |
| 4244 | break; |
| 4245 | case WLAN_FC_TYPE_DATA: |
| 4246 | ap_tx_status(wpa_s, data->tx_status.dst, |
| 4247 | data->tx_status.data, |
| 4248 | data->tx_status.data_len, |
| 4249 | data->tx_status.ack); |
| 4250 | break; |
| 4251 | } |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 4252 | #endif /* CONFIG_AP */ |
| 4253 | break; |
| 4254 | #ifdef CONFIG_AP |
| 4255 | case EVENT_EAPOL_TX_STATUS: |
| 4256 | ap_eapol_tx_status(wpa_s, data->eapol_tx_status.dst, |
| 4257 | data->eapol_tx_status.data, |
| 4258 | data->eapol_tx_status.data_len, |
| 4259 | data->eapol_tx_status.ack); |
| 4260 | break; |
| 4261 | case EVENT_DRIVER_CLIENT_POLL_OK: |
| 4262 | ap_client_poll_ok(wpa_s, data->client_poll.addr); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 4263 | break; |
| 4264 | case EVENT_RX_FROM_UNKNOWN: |
| 4265 | if (wpa_s->ap_iface == NULL) |
| 4266 | break; |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 4267 | ap_rx_from_unknown_sta(wpa_s, data->rx_from_unknown.addr, |
| 4268 | data->rx_from_unknown.wds); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 4269 | break; |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 4270 | #endif /* CONFIG_AP */ |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 4271 | case EVENT_CH_SWITCH: |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 4272 | if (!data || !wpa_s->current_ssid) |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 4273 | break; |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 4274 | |
Dmitry Shmidt | 4ae50e6 | 2016-06-27 13:48:39 -0700 | [diff] [blame] | 4275 | wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_CHANNEL_SWITCH |
| 4276 | "freq=%d ht_enabled=%d ch_offset=%d ch_width=%s cf1=%d cf2=%d", |
| 4277 | data->ch_switch.freq, |
| 4278 | data->ch_switch.ht_enabled, |
| 4279 | data->ch_switch.ch_offset, |
| 4280 | channel_width_to_string(data->ch_switch.ch_width), |
| 4281 | data->ch_switch.cf1, |
| 4282 | data->ch_switch.cf2); |
| 4283 | |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 4284 | wpa_s->assoc_freq = data->ch_switch.freq; |
| 4285 | wpa_s->current_ssid->frequency = data->ch_switch.freq; |
| 4286 | |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 4287 | #ifdef CONFIG_AP |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 4288 | if (wpa_s->current_ssid->mode == WPAS_MODE_AP || |
| 4289 | wpa_s->current_ssid->mode == WPAS_MODE_P2P_GO || |
| 4290 | wpa_s->current_ssid->mode == |
| 4291 | WPAS_MODE_P2P_GROUP_FORMATION) { |
| 4292 | wpas_ap_ch_switch(wpa_s, data->ch_switch.freq, |
| 4293 | data->ch_switch.ht_enabled, |
| 4294 | data->ch_switch.ch_offset, |
| 4295 | data->ch_switch.ch_width, |
| 4296 | data->ch_switch.cf1, |
| 4297 | data->ch_switch.cf2); |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 4298 | } |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 4299 | #endif /* CONFIG_AP */ |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 4300 | |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 4301 | wpas_p2p_update_channel_list(wpa_s, WPAS_P2P_CHANNEL_UPDATE_CS); |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 4302 | break; |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 4303 | #ifdef CONFIG_AP |
Dmitry Shmidt | 203eadb | 2015-03-05 14:16:04 -0800 | [diff] [blame] | 4304 | #ifdef NEED_AP_MLME |
| 4305 | case EVENT_DFS_RADAR_DETECTED: |
| 4306 | if (data) |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 4307 | wpas_ap_event_dfs_radar_detected(wpa_s, |
| 4308 | &data->dfs_event); |
Dmitry Shmidt | 203eadb | 2015-03-05 14:16:04 -0800 | [diff] [blame] | 4309 | break; |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 4310 | case EVENT_DFS_NOP_FINISHED: |
| 4311 | if (data) |
| 4312 | wpas_ap_event_dfs_cac_nop_finished(wpa_s, |
| 4313 | &data->dfs_event); |
| 4314 | break; |
| 4315 | #endif /* NEED_AP_MLME */ |
| 4316 | #endif /* CONFIG_AP */ |
Dmitry Shmidt | 203eadb | 2015-03-05 14:16:04 -0800 | [diff] [blame] | 4317 | case EVENT_DFS_CAC_STARTED: |
| 4318 | if (data) |
| 4319 | wpas_event_dfs_cac_started(wpa_s, &data->dfs_event); |
| 4320 | break; |
| 4321 | case EVENT_DFS_CAC_FINISHED: |
| 4322 | if (data) |
| 4323 | wpas_event_dfs_cac_finished(wpa_s, &data->dfs_event); |
| 4324 | break; |
| 4325 | case EVENT_DFS_CAC_ABORTED: |
| 4326 | if (data) |
| 4327 | wpas_event_dfs_cac_aborted(wpa_s, &data->dfs_event); |
| 4328 | break; |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 4329 | case EVENT_RX_MGMT: { |
| 4330 | u16 fc, stype; |
| 4331 | const struct ieee80211_mgmt *mgmt; |
| 4332 | |
Dmitry Shmidt | 818ea48 | 2014-03-10 13:15:21 -0700 | [diff] [blame] | 4333 | #ifdef CONFIG_TESTING_OPTIONS |
| 4334 | if (wpa_s->ext_mgmt_frame_handling) { |
| 4335 | struct rx_mgmt *rx = &data->rx_mgmt; |
| 4336 | size_t hex_len = 2 * rx->frame_len + 1; |
| 4337 | char *hex = os_malloc(hex_len); |
| 4338 | if (hex) { |
| 4339 | wpa_snprintf_hex(hex, hex_len, |
| 4340 | rx->frame, rx->frame_len); |
| 4341 | wpa_msg(wpa_s, MSG_INFO, "MGMT-RX freq=%d datarate=%u ssi_signal=%d %s", |
| 4342 | rx->freq, rx->datarate, rx->ssi_signal, |
| 4343 | hex); |
| 4344 | os_free(hex); |
| 4345 | } |
| 4346 | break; |
| 4347 | } |
| 4348 | #endif /* CONFIG_TESTING_OPTIONS */ |
| 4349 | |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 4350 | mgmt = (const struct ieee80211_mgmt *) |
| 4351 | data->rx_mgmt.frame; |
| 4352 | fc = le_to_host16(mgmt->frame_control); |
| 4353 | stype = WLAN_FC_GET_STYPE(fc); |
| 4354 | |
Dmitry Shmidt | c2ebb4b | 2013-07-24 12:57:51 -0700 | [diff] [blame] | 4355 | #ifdef CONFIG_AP |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 4356 | if (wpa_s->ap_iface == NULL) { |
Dmitry Shmidt | c2ebb4b | 2013-07-24 12:57:51 -0700 | [diff] [blame] | 4357 | #endif /* CONFIG_AP */ |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 4358 | #ifdef CONFIG_P2P |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 4359 | if (stype == WLAN_FC_STYPE_PROBE_REQ && |
Dmitry Shmidt | e466304 | 2016-04-04 10:07:49 -0700 | [diff] [blame] | 4360 | data->rx_mgmt.frame_len > IEEE80211_HDRLEN) { |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 4361 | const u8 *src = mgmt->sa; |
Dmitry Shmidt | e466304 | 2016-04-04 10:07:49 -0700 | [diff] [blame] | 4362 | const u8 *ie; |
| 4363 | size_t ie_len; |
| 4364 | |
| 4365 | ie = data->rx_mgmt.frame + IEEE80211_HDRLEN; |
| 4366 | ie_len = data->rx_mgmt.frame_len - |
| 4367 | IEEE80211_HDRLEN; |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 4368 | wpas_p2p_probe_req_rx( |
| 4369 | wpa_s, src, mgmt->da, |
| 4370 | mgmt->bssid, ie, ie_len, |
Dmitry Shmidt | a3dc309 | 2015-06-23 11:21:28 -0700 | [diff] [blame] | 4371 | data->rx_mgmt.freq, |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 4372 | data->rx_mgmt.ssi_signal); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 4373 | break; |
| 4374 | } |
| 4375 | #endif /* CONFIG_P2P */ |
Dmitry Shmidt | c2ebb4b | 2013-07-24 12:57:51 -0700 | [diff] [blame] | 4376 | #ifdef CONFIG_IBSS_RSN |
Dmitry Shmidt | 6c0da2b | 2015-01-05 13:08:17 -0800 | [diff] [blame] | 4377 | if (wpa_s->current_ssid && |
| 4378 | wpa_s->current_ssid->mode == WPAS_MODE_IBSS && |
| 4379 | stype == WLAN_FC_STYPE_AUTH && |
Dmitry Shmidt | c2ebb4b | 2013-07-24 12:57:51 -0700 | [diff] [blame] | 4380 | data->rx_mgmt.frame_len >= 30) { |
| 4381 | wpa_supplicant_event_ibss_auth(wpa_s, data); |
| 4382 | break; |
| 4383 | } |
| 4384 | #endif /* CONFIG_IBSS_RSN */ |
Dmitry Shmidt | fb79edc | 2014-01-10 10:45:54 -0800 | [diff] [blame] | 4385 | |
| 4386 | if (stype == WLAN_FC_STYPE_ACTION) { |
| 4387 | wpas_event_rx_mgmt_action( |
Dmitry Shmidt | 623d63a | 2014-06-13 11:05:14 -0700 | [diff] [blame] | 4388 | wpa_s, data->rx_mgmt.frame, |
| 4389 | data->rx_mgmt.frame_len, |
Dmitry Shmidt | 6c0da2b | 2015-01-05 13:08:17 -0800 | [diff] [blame] | 4390 | data->rx_mgmt.freq, |
| 4391 | data->rx_mgmt.ssi_signal); |
| 4392 | break; |
| 4393 | } |
| 4394 | |
| 4395 | if (wpa_s->ifmsh) { |
| 4396 | mesh_mpm_mgmt_rx(wpa_s, &data->rx_mgmt); |
Dmitry Shmidt | fb79edc | 2014-01-10 10:45:54 -0800 | [diff] [blame] | 4397 | break; |
| 4398 | } |
| 4399 | |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 4400 | #ifdef CONFIG_SAE |
| 4401 | if (stype == WLAN_FC_STYPE_AUTH && |
| 4402 | !(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) && |
| 4403 | (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SAE)) { |
| 4404 | sme_external_auth_mgmt_rx( |
| 4405 | wpa_s, data->rx_mgmt.frame, |
| 4406 | data->rx_mgmt.frame_len); |
| 4407 | break; |
| 4408 | } |
| 4409 | #endif /* CONFIG_SAE */ |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 4410 | wpa_dbg(wpa_s, MSG_DEBUG, "AP: ignore received " |
| 4411 | "management frame in non-AP mode"); |
| 4412 | break; |
Dmitry Shmidt | c2ebb4b | 2013-07-24 12:57:51 -0700 | [diff] [blame] | 4413 | #ifdef CONFIG_AP |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 4414 | } |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 4415 | |
| 4416 | if (stype == WLAN_FC_STYPE_PROBE_REQ && |
Dmitry Shmidt | e466304 | 2016-04-04 10:07:49 -0700 | [diff] [blame] | 4417 | data->rx_mgmt.frame_len > IEEE80211_HDRLEN) { |
| 4418 | const u8 *ie; |
| 4419 | size_t ie_len; |
| 4420 | |
| 4421 | ie = data->rx_mgmt.frame + IEEE80211_HDRLEN; |
| 4422 | ie_len = data->rx_mgmt.frame_len - IEEE80211_HDRLEN; |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 4423 | |
| 4424 | wpas_notify_preq(wpa_s, mgmt->sa, mgmt->da, |
| 4425 | mgmt->bssid, ie, ie_len, |
| 4426 | data->rx_mgmt.ssi_signal); |
| 4427 | } |
| 4428 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 4429 | ap_mgmt_rx(wpa_s, &data->rx_mgmt); |
Dmitry Shmidt | c2ebb4b | 2013-07-24 12:57:51 -0700 | [diff] [blame] | 4430 | #endif /* CONFIG_AP */ |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 4431 | break; |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 4432 | } |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 4433 | case EVENT_RX_PROBE_REQ: |
| 4434 | if (data->rx_probe_req.sa == NULL || |
| 4435 | data->rx_probe_req.ie == NULL) |
| 4436 | break; |
| 4437 | #ifdef CONFIG_AP |
| 4438 | if (wpa_s->ap_iface) { |
| 4439 | hostapd_probe_req_rx(wpa_s->ap_iface->bss[0], |
| 4440 | data->rx_probe_req.sa, |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 4441 | data->rx_probe_req.da, |
| 4442 | data->rx_probe_req.bssid, |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 4443 | data->rx_probe_req.ie, |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 4444 | data->rx_probe_req.ie_len, |
| 4445 | data->rx_probe_req.ssi_signal); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 4446 | break; |
| 4447 | } |
| 4448 | #endif /* CONFIG_AP */ |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 4449 | wpas_p2p_probe_req_rx(wpa_s, data->rx_probe_req.sa, |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 4450 | data->rx_probe_req.da, |
| 4451 | data->rx_probe_req.bssid, |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 4452 | data->rx_probe_req.ie, |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 4453 | data->rx_probe_req.ie_len, |
Dmitry Shmidt | a3dc309 | 2015-06-23 11:21:28 -0700 | [diff] [blame] | 4454 | 0, |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 4455 | data->rx_probe_req.ssi_signal); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 4456 | break; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 4457 | case EVENT_REMAIN_ON_CHANNEL: |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 4458 | #ifdef CONFIG_OFFCHANNEL |
| 4459 | offchannel_remain_on_channel_cb( |
| 4460 | wpa_s, data->remain_on_channel.freq, |
| 4461 | data->remain_on_channel.duration); |
| 4462 | #endif /* CONFIG_OFFCHANNEL */ |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 4463 | wpas_p2p_remain_on_channel_cb( |
| 4464 | wpa_s, data->remain_on_channel.freq, |
| 4465 | data->remain_on_channel.duration); |
| 4466 | break; |
| 4467 | case EVENT_CANCEL_REMAIN_ON_CHANNEL: |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 4468 | #ifdef CONFIG_OFFCHANNEL |
| 4469 | offchannel_cancel_remain_on_channel_cb( |
| 4470 | wpa_s, data->remain_on_channel.freq); |
| 4471 | #endif /* CONFIG_OFFCHANNEL */ |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 4472 | wpas_p2p_cancel_remain_on_channel_cb( |
| 4473 | wpa_s, data->remain_on_channel.freq); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 4474 | #ifdef CONFIG_DPP |
| 4475 | wpas_dpp_cancel_remain_on_channel_cb( |
| 4476 | wpa_s, data->remain_on_channel.freq); |
| 4477 | #endif /* CONFIG_DPP */ |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 4478 | break; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 4479 | case EVENT_EAPOL_RX: |
| 4480 | wpa_supplicant_rx_eapol(wpa_s, data->eapol_rx.src, |
| 4481 | data->eapol_rx.data, |
| 4482 | data->eapol_rx.data_len); |
| 4483 | break; |
| 4484 | case EVENT_SIGNAL_CHANGE: |
Dmitry Shmidt | 7dba0e5 | 2014-04-14 10:49:15 -0700 | [diff] [blame] | 4485 | wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_SIGNAL_CHANGE |
| 4486 | "above=%d signal=%d noise=%d txrate=%d", |
| 4487 | data->signal_change.above_threshold, |
| 4488 | data->signal_change.current_signal, |
| 4489 | data->signal_change.current_noise, |
| 4490 | data->signal_change.current_txrate); |
Dmitry Shmidt | 7f65602 | 2015-02-25 14:36:37 -0800 | [diff] [blame] | 4491 | wpa_bss_update_level(wpa_s->current_bss, |
| 4492 | data->signal_change.current_signal); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 4493 | bgscan_notify_signal_change( |
| 4494 | wpa_s, data->signal_change.above_threshold, |
| 4495 | data->signal_change.current_signal, |
| 4496 | data->signal_change.current_noise, |
| 4497 | data->signal_change.current_txrate); |
| 4498 | break; |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 4499 | case EVENT_INTERFACE_MAC_CHANGED: |
| 4500 | wpa_supplicant_update_mac_addr(wpa_s); |
| 4501 | break; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 4502 | case EVENT_INTERFACE_ENABLED: |
| 4503 | wpa_dbg(wpa_s, MSG_DEBUG, "Interface was enabled"); |
| 4504 | if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) { |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 4505 | wpa_supplicant_update_mac_addr(wpa_s); |
Dmitry Shmidt | df5a7e4 | 2014-04-02 12:59:59 -0700 | [diff] [blame] | 4506 | if (wpa_s->p2p_mgmt) { |
| 4507 | wpa_supplicant_set_state(wpa_s, |
| 4508 | WPA_DISCONNECTED); |
| 4509 | break; |
| 4510 | } |
| 4511 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 4512 | #ifdef CONFIG_AP |
| 4513 | if (!wpa_s->ap_iface) { |
| 4514 | wpa_supplicant_set_state(wpa_s, |
| 4515 | WPA_DISCONNECTED); |
Dmitry Shmidt | ff787d5 | 2015-01-12 13:01:47 -0800 | [diff] [blame] | 4516 | wpa_s->scan_req = NORMAL_SCAN_REQ; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 4517 | wpa_supplicant_req_scan(wpa_s, 0, 0); |
| 4518 | } else |
| 4519 | wpa_supplicant_set_state(wpa_s, |
| 4520 | WPA_COMPLETED); |
| 4521 | #else /* CONFIG_AP */ |
| 4522 | wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED); |
| 4523 | wpa_supplicant_req_scan(wpa_s, 0, 0); |
| 4524 | #endif /* CONFIG_AP */ |
| 4525 | } |
| 4526 | break; |
| 4527 | case EVENT_INTERFACE_DISABLED: |
| 4528 | wpa_dbg(wpa_s, MSG_DEBUG, "Interface was disabled"); |
Dmitry Shmidt | 01904cf | 2013-12-05 11:08:35 -0800 | [diff] [blame] | 4529 | #ifdef CONFIG_P2P |
| 4530 | if (wpa_s->p2p_group_interface == P2P_GROUP_INTERFACE_GO || |
| 4531 | (wpa_s->current_ssid && wpa_s->current_ssid->p2p_group && |
| 4532 | wpa_s->current_ssid->mode == WPAS_MODE_P2P_GO)) { |
| 4533 | /* |
Dmitry Shmidt | ff787d5 | 2015-01-12 13:01:47 -0800 | [diff] [blame] | 4534 | * Mark interface disabled if this happens to end up not |
| 4535 | * being removed as a separate P2P group interface. |
| 4536 | */ |
| 4537 | wpa_supplicant_set_state(wpa_s, WPA_INTERFACE_DISABLED); |
| 4538 | /* |
Dmitry Shmidt | 01904cf | 2013-12-05 11:08:35 -0800 | [diff] [blame] | 4539 | * The interface was externally disabled. Remove |
| 4540 | * it assuming an external entity will start a |
| 4541 | * new session if needed. |
| 4542 | */ |
Dmitry Shmidt | ff787d5 | 2015-01-12 13:01:47 -0800 | [diff] [blame] | 4543 | if (wpa_s->current_ssid && |
| 4544 | wpa_s->current_ssid->p2p_group) |
| 4545 | wpas_p2p_interface_unavailable(wpa_s); |
| 4546 | else |
| 4547 | wpas_p2p_disconnect(wpa_s); |
| 4548 | /* |
| 4549 | * wpa_s instance may have been freed, so must not use |
| 4550 | * it here anymore. |
| 4551 | */ |
Dmitry Shmidt | 01904cf | 2013-12-05 11:08:35 -0800 | [diff] [blame] | 4552 | break; |
| 4553 | } |
Dmitry Shmidt | 6dc03bd | 2014-05-16 10:40:13 -0700 | [diff] [blame] | 4554 | if (wpa_s->p2p_scan_work && wpa_s->global->p2p && |
| 4555 | p2p_in_progress(wpa_s->global->p2p) > 1) { |
| 4556 | /* This radio work will be cancelled, so clear P2P |
| 4557 | * state as well. |
| 4558 | */ |
| 4559 | p2p_stop_find(wpa_s->global->p2p); |
| 4560 | } |
Dmitry Shmidt | 01904cf | 2013-12-05 11:08:35 -0800 | [diff] [blame] | 4561 | #endif /* CONFIG_P2P */ |
| 4562 | |
Dmitry Shmidt | 7832adb | 2014-04-29 10:53:02 -0700 | [diff] [blame] | 4563 | if (wpa_s->wpa_state >= WPA_AUTHENTICATING) { |
| 4564 | /* |
| 4565 | * Indicate disconnection to keep ctrl_iface events |
| 4566 | * consistent. |
| 4567 | */ |
| 4568 | wpa_supplicant_event_disassoc( |
| 4569 | wpa_s, WLAN_REASON_DEAUTH_LEAVING, 1); |
| 4570 | } |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 4571 | wpa_supplicant_mark_disassoc(wpa_s); |
xshu | d0ee72f | 2018-11-08 14:37:01 -0800 | [diff] [blame] | 4572 | if (!wpa_s->conf->bss_no_flush_when_down) |
| 4573 | wpa_bss_flush(wpa_s); |
Dmitry Shmidt | bd14a57 | 2014-02-18 10:33:49 -0800 | [diff] [blame] | 4574 | radio_remove_works(wpa_s, NULL, 0); |
| 4575 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 4576 | wpa_supplicant_set_state(wpa_s, WPA_INTERFACE_DISABLED); |
| 4577 | break; |
| 4578 | case EVENT_CHANNEL_LIST_CHANGED: |
Dmitry Shmidt | 7dba0e5 | 2014-04-14 10:49:15 -0700 | [diff] [blame] | 4579 | wpa_supplicant_update_channel_list( |
| 4580 | wpa_s, &data->channel_list_changed); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 4581 | break; |
| 4582 | case EVENT_INTERFACE_UNAVAILABLE: |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 4583 | wpas_p2p_interface_unavailable(wpa_s); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 4584 | break; |
| 4585 | case EVENT_BEST_CHANNEL: |
| 4586 | wpa_dbg(wpa_s, MSG_DEBUG, "Best channel event received " |
| 4587 | "(%d %d %d)", |
| 4588 | data->best_chan.freq_24, data->best_chan.freq_5, |
| 4589 | data->best_chan.freq_overall); |
| 4590 | wpa_s->best_24_freq = data->best_chan.freq_24; |
| 4591 | wpa_s->best_5_freq = data->best_chan.freq_5; |
| 4592 | wpa_s->best_overall_freq = data->best_chan.freq_overall; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 4593 | wpas_p2p_update_best_channels(wpa_s, data->best_chan.freq_24, |
| 4594 | data->best_chan.freq_5, |
| 4595 | data->best_chan.freq_overall); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 4596 | break; |
| 4597 | case EVENT_UNPROT_DEAUTH: |
| 4598 | wpa_supplicant_event_unprot_deauth(wpa_s, |
| 4599 | &data->unprot_deauth); |
| 4600 | break; |
| 4601 | case EVENT_UNPROT_DISASSOC: |
| 4602 | wpa_supplicant_event_unprot_disassoc(wpa_s, |
| 4603 | &data->unprot_disassoc); |
| 4604 | break; |
| 4605 | case EVENT_STATION_LOW_ACK: |
| 4606 | #ifdef CONFIG_AP |
| 4607 | if (wpa_s->ap_iface && data) |
| 4608 | hostapd_event_sta_low_ack(wpa_s->ap_iface->bss[0], |
| 4609 | data->low_ack.addr); |
| 4610 | #endif /* CONFIG_AP */ |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 4611 | #ifdef CONFIG_TDLS |
| 4612 | if (data) |
Dmitry Shmidt | 43cb578 | 2014-06-16 16:23:22 -0700 | [diff] [blame] | 4613 | wpa_tdls_disable_unreachable_link(wpa_s->wpa, |
| 4614 | data->low_ack.addr); |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 4615 | #endif /* CONFIG_TDLS */ |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 4616 | break; |
| 4617 | case EVENT_IBSS_PEER_LOST: |
| 4618 | #ifdef CONFIG_IBSS_RSN |
| 4619 | ibss_rsn_stop(wpa_s->ibss_rsn, data->ibss_peer_lost.peer); |
| 4620 | #endif /* CONFIG_IBSS_RSN */ |
| 4621 | break; |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 4622 | case EVENT_DRIVER_GTK_REKEY: |
| 4623 | if (os_memcmp(data->driver_gtk_rekey.bssid, |
| 4624 | wpa_s->bssid, ETH_ALEN)) |
| 4625 | break; |
| 4626 | if (!wpa_s->wpa) |
| 4627 | break; |
| 4628 | wpa_sm_update_replay_ctr(wpa_s->wpa, |
| 4629 | data->driver_gtk_rekey.replay_ctr); |
| 4630 | break; |
| 4631 | case EVENT_SCHED_SCAN_STOPPED: |
| 4632 | wpa_s->sched_scanning = 0; |
Dmitry Shmidt | 9c17526 | 2016-03-03 10:20:07 -0800 | [diff] [blame] | 4633 | resched = wpa_s->scanning && wpas_scan_scheduled(wpa_s); |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 4634 | wpa_supplicant_notify_scanning(wpa_s, 0); |
| 4635 | |
| 4636 | if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) |
| 4637 | break; |
| 4638 | |
| 4639 | /* |
Dmitry Shmidt | 9839ecd | 2016-11-07 11:05:47 -0800 | [diff] [blame] | 4640 | * If the driver stopped scanning without being requested to, |
| 4641 | * request a new scan to continue scanning for networks. |
| 4642 | */ |
| 4643 | if (!wpa_s->sched_scan_stop_req && |
| 4644 | wpa_s->wpa_state == WPA_SCANNING) { |
| 4645 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 4646 | "Restart scanning after unexpected sched_scan stop event"); |
| 4647 | wpa_supplicant_req_scan(wpa_s, 1, 0); |
| 4648 | break; |
| 4649 | } |
| 4650 | |
| 4651 | wpa_s->sched_scan_stop_req = 0; |
| 4652 | |
| 4653 | /* |
Dmitry Shmidt | 1846323 | 2014-01-24 12:29:41 -0800 | [diff] [blame] | 4654 | * Start a new sched scan to continue searching for more SSIDs |
| 4655 | * either if timed out or PNO schedule scan is pending. |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 4656 | */ |
Dmitry Shmidt | 9866086 | 2014-03-11 17:26:21 -0700 | [diff] [blame] | 4657 | if (wpa_s->sched_scan_timed_out) { |
| 4658 | wpa_supplicant_req_sched_scan(wpa_s); |
| 4659 | } else if (wpa_s->pno_sched_pending) { |
| 4660 | wpa_s->pno_sched_pending = 0; |
| 4661 | wpas_start_pno(wpa_s); |
Dmitry Shmidt | af9da31 | 2015-04-03 10:03:11 -0700 | [diff] [blame] | 4662 | } else if (resched) { |
| 4663 | wpa_supplicant_req_scan(wpa_s, 0, 0); |
Dmitry Shmidt | 1846323 | 2014-01-24 12:29:41 -0800 | [diff] [blame] | 4664 | } |
| 4665 | |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 4666 | break; |
| 4667 | case EVENT_WPS_BUTTON_PUSHED: |
| 4668 | #ifdef CONFIG_WPS |
| 4669 | wpas_wps_start_pbc(wpa_s, NULL, 0); |
| 4670 | #endif /* CONFIG_WPS */ |
| 4671 | break; |
Dmitry Shmidt | cf32e60 | 2014-01-28 10:57:39 -0800 | [diff] [blame] | 4672 | case EVENT_AVOID_FREQUENCIES: |
| 4673 | wpa_supplicant_notify_avoid_freq(wpa_s, data); |
| 4674 | break; |
Dmitry Shmidt | f862328 | 2013-02-20 14:34:59 -0800 | [diff] [blame] | 4675 | case EVENT_CONNECT_FAILED_REASON: |
| 4676 | #ifdef CONFIG_AP |
| 4677 | if (!wpa_s->ap_iface || !data) |
| 4678 | break; |
| 4679 | hostapd_event_connect_failed_reason( |
| 4680 | wpa_s->ap_iface->bss[0], |
| 4681 | data->connect_failed_reason.addr, |
| 4682 | data->connect_failed_reason.code); |
| 4683 | #endif /* CONFIG_AP */ |
| 4684 | break; |
Dmitry Shmidt | 6c0da2b | 2015-01-05 13:08:17 -0800 | [diff] [blame] | 4685 | case EVENT_NEW_PEER_CANDIDATE: |
| 4686 | #ifdef CONFIG_MESH |
| 4687 | if (!wpa_s->ifmsh || !data) |
| 4688 | break; |
| 4689 | wpa_mesh_notify_peer(wpa_s, data->mesh_peer.peer, |
| 4690 | data->mesh_peer.ies, |
| 4691 | data->mesh_peer.ie_len); |
| 4692 | #endif /* CONFIG_MESH */ |
| 4693 | break; |
Dmitry Shmidt | 014a3ff | 2015-12-28 13:27:49 -0800 | [diff] [blame] | 4694 | case EVENT_SURVEY: |
| 4695 | #ifdef CONFIG_AP |
| 4696 | if (!wpa_s->ap_iface) |
| 4697 | break; |
| 4698 | hostapd_event_get_survey(wpa_s->ap_iface, |
| 4699 | &data->survey_results); |
| 4700 | #endif /* CONFIG_AP */ |
| 4701 | break; |
| 4702 | case EVENT_ACS_CHANNEL_SELECTED: |
Paul Stewart | 092955c | 2017-02-06 09:13:09 -0800 | [diff] [blame] | 4703 | #ifdef CONFIG_AP |
Dmitry Shmidt | 014a3ff | 2015-12-28 13:27:49 -0800 | [diff] [blame] | 4704 | #ifdef CONFIG_ACS |
| 4705 | if (!wpa_s->ap_iface) |
| 4706 | break; |
| 4707 | hostapd_acs_channel_selected(wpa_s->ap_iface->bss[0], |
| 4708 | &data->acs_selected_channels); |
| 4709 | #endif /* CONFIG_ACS */ |
Paul Stewart | 092955c | 2017-02-06 09:13:09 -0800 | [diff] [blame] | 4710 | #endif /* CONFIG_AP */ |
Dmitry Shmidt | 014a3ff | 2015-12-28 13:27:49 -0800 | [diff] [blame] | 4711 | break; |
Dmitry Shmidt | 58d12ad | 2016-07-28 10:07:03 -0700 | [diff] [blame] | 4712 | case EVENT_P2P_LO_STOP: |
| 4713 | #ifdef CONFIG_P2P |
| 4714 | wpa_s->p2p_lo_started = 0; |
| 4715 | wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_LISTEN_OFFLOAD_STOP |
| 4716 | P2P_LISTEN_OFFLOAD_STOP_REASON "reason=%d", |
| 4717 | data->p2p_lo_stop.reason_code); |
| 4718 | #endif /* CONFIG_P2P */ |
| 4719 | break; |
Paul Stewart | 092955c | 2017-02-06 09:13:09 -0800 | [diff] [blame] | 4720 | case EVENT_BEACON_LOSS: |
| 4721 | if (!wpa_s->current_bss || !wpa_s->current_ssid) |
| 4722 | break; |
| 4723 | wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_BEACON_LOSS); |
| 4724 | bgscan_notify_beacon_loss(wpa_s); |
| 4725 | break; |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 4726 | case EVENT_EXTERNAL_AUTH: |
| 4727 | #ifdef CONFIG_SAE |
| 4728 | if (!wpa_s->current_ssid) { |
| 4729 | wpa_printf(MSG_DEBUG, "SAE: current_ssid is NULL"); |
| 4730 | break; |
| 4731 | } |
| 4732 | sme_external_auth_trigger(wpa_s, data); |
| 4733 | #endif /* CONFIG_SAE */ |
| 4734 | break; |
| 4735 | case EVENT_PORT_AUTHORIZED: |
| 4736 | wpa_supplicant_event_port_authorized(wpa_s); |
| 4737 | break; |
| 4738 | case EVENT_STATION_OPMODE_CHANGED: |
| 4739 | #ifdef CONFIG_AP |
| 4740 | if (!wpa_s->ap_iface || !data) |
| 4741 | break; |
| 4742 | |
| 4743 | hostapd_event_sta_opmode_changed(wpa_s->ap_iface->bss[0], |
| 4744 | data->sta_opmode.addr, |
| 4745 | data->sta_opmode.smps_mode, |
| 4746 | data->sta_opmode.chan_width, |
| 4747 | data->sta_opmode.rx_nss); |
| 4748 | #endif /* CONFIG_AP */ |
| 4749 | break; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 4750 | default: |
| 4751 | wpa_msg(wpa_s, MSG_INFO, "Unknown event %d", event); |
| 4752 | break; |
| 4753 | } |
| 4754 | } |
Dmitry Shmidt | e466304 | 2016-04-04 10:07:49 -0700 | [diff] [blame] | 4755 | |
| 4756 | |
| 4757 | void wpa_supplicant_event_global(void *ctx, enum wpa_event_type event, |
| 4758 | union wpa_event_data *data) |
| 4759 | { |
| 4760 | struct wpa_supplicant *wpa_s; |
| 4761 | |
| 4762 | if (event != EVENT_INTERFACE_STATUS) |
| 4763 | return; |
| 4764 | |
| 4765 | wpa_s = wpa_supplicant_get_iface(ctx, data->interface_status.ifname); |
| 4766 | if (wpa_s && wpa_s->driver->get_ifindex) { |
| 4767 | unsigned int ifindex; |
| 4768 | |
| 4769 | ifindex = wpa_s->driver->get_ifindex(wpa_s->drv_priv); |
| 4770 | if (ifindex != data->interface_status.ifindex) { |
| 4771 | wpa_dbg(wpa_s, MSG_DEBUG, |
| 4772 | "interface status ifindex %d mismatch (%d)", |
| 4773 | ifindex, data->interface_status.ifindex); |
| 4774 | return; |
| 4775 | } |
| 4776 | } |
| 4777 | #ifdef CONFIG_MATCH_IFACE |
| 4778 | else if (data->interface_status.ievent == EVENT_INTERFACE_ADDED) { |
| 4779 | struct wpa_interface *wpa_i; |
| 4780 | |
| 4781 | wpa_i = wpa_supplicant_match_iface( |
| 4782 | ctx, data->interface_status.ifname); |
| 4783 | if (!wpa_i) |
| 4784 | return; |
| 4785 | wpa_s = wpa_supplicant_add_iface(ctx, wpa_i, NULL); |
| 4786 | os_free(wpa_i); |
| 4787 | if (wpa_s) |
| 4788 | wpa_s->matched = 1; |
| 4789 | } |
| 4790 | #endif /* CONFIG_MATCH_IFACE */ |
| 4791 | |
| 4792 | if (wpa_s) |
| 4793 | wpa_supplicant_event(wpa_s, event, data); |
| 4794 | } |