Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1 | /* |
| 2 | * wpa_supplicant / WPS integration |
Dmitry Shmidt | fb79edc | 2014-01-10 10:45:54 -0800 | [diff] [blame] | 3 | * Copyright (c) 2008-2014, 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 "eloop.h" |
| 13 | #include "uuid.h" |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 14 | #include "crypto/random.h" |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 15 | #include "crypto/dh_group5.h" |
| 16 | #include "common/ieee802_11_defs.h" |
| 17 | #include "common/ieee802_11_common.h" |
| 18 | #include "common/wpa_common.h" |
| 19 | #include "common/wpa_ctrl.h" |
| 20 | #include "eap_common/eap_wsc_common.h" |
| 21 | #include "eap_peer/eap.h" |
Jouni Malinen | 75ecf52 | 2011-06-27 15:19:46 -0700 | [diff] [blame] | 22 | #include "eapol_supp/eapol_supp_sm.h" |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 23 | #include "rsn_supp/wpa.h" |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 24 | #include "wps/wps_attr_parse.h" |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 25 | #include "config.h" |
| 26 | #include "wpa_supplicant_i.h" |
| 27 | #include "driver_i.h" |
| 28 | #include "notify.h" |
Hai Shalom | 6084025 | 2021-02-19 19:02:11 -0800 | [diff] [blame^] | 29 | #include "bssid_ignore.h" |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 30 | #include "bss.h" |
| 31 | #include "scan.h" |
| 32 | #include "ap.h" |
| 33 | #include "p2p/p2p.h" |
| 34 | #include "p2p_supplicant.h" |
| 35 | #include "wps_supplicant.h" |
| 36 | |
| 37 | |
| 38 | #ifndef WPS_PIN_SCAN_IGNORE_SEL_REG |
| 39 | #define WPS_PIN_SCAN_IGNORE_SEL_REG 3 |
| 40 | #endif /* WPS_PIN_SCAN_IGNORE_SEL_REG */ |
| 41 | |
Dmitry Shmidt | 1d755d0 | 2015-04-28 10:34:29 -0700 | [diff] [blame] | 42 | /* |
| 43 | * The minimum time in seconds before trying to associate to a WPS PIN AP that |
| 44 | * does not have Selected Registrar TRUE. |
| 45 | */ |
| 46 | #ifndef WPS_PIN_TIME_IGNORE_SEL_REG |
| 47 | #define WPS_PIN_TIME_IGNORE_SEL_REG 5 |
| 48 | #endif /* WPS_PIN_TIME_IGNORE_SEL_REG */ |
| 49 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 50 | static void wpas_wps_timeout(void *eloop_ctx, void *timeout_ctx); |
| 51 | static void wpas_clear_wps(struct wpa_supplicant *wpa_s); |
| 52 | |
| 53 | |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 54 | static void wpas_wps_clear_ap_info(struct wpa_supplicant *wpa_s) |
| 55 | { |
| 56 | os_free(wpa_s->wps_ap); |
| 57 | wpa_s->wps_ap = NULL; |
| 58 | wpa_s->num_wps_ap = 0; |
| 59 | wpa_s->wps_ap_iter = 0; |
| 60 | } |
| 61 | |
| 62 | |
Dmitry Shmidt | 7dba0e5 | 2014-04-14 10:49:15 -0700 | [diff] [blame] | 63 | static void wpas_wps_assoc_with_cred(void *eloop_ctx, void *timeout_ctx) |
| 64 | { |
| 65 | struct wpa_supplicant *wpa_s = eloop_ctx; |
| 66 | int use_fast_assoc = timeout_ctx != NULL; |
| 67 | |
| 68 | wpa_printf(MSG_DEBUG, "WPS: Continuing association after eapol_cb"); |
| 69 | if (!use_fast_assoc || |
| 70 | wpa_supplicant_fast_associate(wpa_s) != 1) |
| 71 | wpa_supplicant_req_scan(wpa_s, 0, 0); |
| 72 | } |
| 73 | |
| 74 | |
| 75 | static void wpas_wps_assoc_with_cred_cancel(struct wpa_supplicant *wpa_s) |
| 76 | { |
| 77 | eloop_cancel_timeout(wpas_wps_assoc_with_cred, wpa_s, (void *) 0); |
| 78 | eloop_cancel_timeout(wpas_wps_assoc_with_cred, wpa_s, (void *) 1); |
| 79 | } |
| 80 | |
| 81 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 82 | int wpas_wps_eapol_cb(struct wpa_supplicant *wpa_s) |
| 83 | { |
Dmitry Shmidt | fb79edc | 2014-01-10 10:45:54 -0800 | [diff] [blame] | 84 | if (wpas_p2p_wps_eapol_cb(wpa_s) > 0) |
| 85 | return 1; |
Dmitry Shmidt | fb79edc | 2014-01-10 10:45:54 -0800 | [diff] [blame] | 86 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 87 | if (!wpa_s->wps_success && |
| 88 | wpa_s->current_ssid && |
| 89 | eap_is_wps_pin_enrollee(&wpa_s->current_ssid->eap)) { |
| 90 | const u8 *bssid = wpa_s->bssid; |
| 91 | if (is_zero_ether_addr(bssid)) |
| 92 | bssid = wpa_s->pending_bssid; |
| 93 | |
| 94 | wpa_printf(MSG_DEBUG, "WPS: PIN registration with " MACSTR |
| 95 | " did not succeed - continue trying to find " |
| 96 | "suitable AP", MAC2STR(bssid)); |
Hai Shalom | 6084025 | 2021-02-19 19:02:11 -0800 | [diff] [blame^] | 97 | wpa_bssid_ignore_add(wpa_s, bssid); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 98 | |
| 99 | wpa_supplicant_deauthenticate(wpa_s, |
| 100 | WLAN_REASON_DEAUTH_LEAVING); |
| 101 | wpa_s->reassociate = 1; |
| 102 | wpa_supplicant_req_scan(wpa_s, |
Hai Shalom | 6084025 | 2021-02-19 19:02:11 -0800 | [diff] [blame^] | 103 | wpa_s->bssid_ignore_cleared ? 5 : 0, 0); |
| 104 | wpa_s->bssid_ignore_cleared = false; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 105 | return 1; |
| 106 | } |
| 107 | |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 108 | wpas_wps_clear_ap_info(wpa_s); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 109 | eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL); |
| 110 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS && !wpa_s->wps_success) |
| 111 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_FAIL); |
| 112 | |
| 113 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS && wpa_s->current_ssid && |
| 114 | !(wpa_s->current_ssid->key_mgmt & WPA_KEY_MGMT_WPS)) { |
| 115 | int disabled = wpa_s->current_ssid->disabled; |
Dmitry Shmidt | c5ec7f5 | 2012-03-06 16:33:24 -0800 | [diff] [blame] | 116 | unsigned int freq = wpa_s->assoc_freq; |
Dmitry Shmidt | 444d567 | 2013-04-01 13:08:44 -0700 | [diff] [blame] | 117 | struct wpa_bss *bss; |
| 118 | struct wpa_ssid *ssid = NULL; |
| 119 | int use_fast_assoc = 0; |
| 120 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 121 | wpa_printf(MSG_DEBUG, "WPS: Network configuration replaced - " |
Dmitry Shmidt | c5ec7f5 | 2012-03-06 16:33:24 -0800 | [diff] [blame] | 122 | "try to associate with the received credential " |
| 123 | "(freq=%u)", freq); |
Dmitry Shmidt | 203eadb | 2015-03-05 14:16:04 -0800 | [diff] [blame] | 124 | wpa_s->own_disconnect_req = 1; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 125 | wpa_supplicant_deauthenticate(wpa_s, |
| 126 | WLAN_REASON_DEAUTH_LEAVING); |
| 127 | if (disabled) { |
| 128 | wpa_printf(MSG_DEBUG, "WPS: Current network is " |
| 129 | "disabled - wait for user to enable"); |
| 130 | return 1; |
| 131 | } |
| 132 | wpa_s->after_wps = 5; |
Dmitry Shmidt | c5ec7f5 | 2012-03-06 16:33:24 -0800 | [diff] [blame] | 133 | wpa_s->wps_freq = freq; |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 134 | wpa_s->normal_scans = 0; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 135 | wpa_s->reassociate = 1; |
Dmitry Shmidt | 444d567 | 2013-04-01 13:08:44 -0700 | [diff] [blame] | 136 | |
| 137 | wpa_printf(MSG_DEBUG, "WPS: Checking whether fast association " |
| 138 | "without a new scan can be used"); |
| 139 | bss = wpa_supplicant_pick_network(wpa_s, &ssid); |
| 140 | if (bss) { |
| 141 | struct wpabuf *wps; |
| 142 | struct wps_parse_attr attr; |
| 143 | |
| 144 | wps = wpa_bss_get_vendor_ie_multi(bss, |
| 145 | WPS_IE_VENDOR_TYPE); |
| 146 | if (wps && wps_parse_msg(wps, &attr) == 0 && |
| 147 | attr.wps_state && |
| 148 | *attr.wps_state == WPS_STATE_CONFIGURED) |
| 149 | use_fast_assoc = 1; |
| 150 | wpabuf_free(wps); |
| 151 | } |
| 152 | |
Dmitry Shmidt | 7dba0e5 | 2014-04-14 10:49:15 -0700 | [diff] [blame] | 153 | /* |
| 154 | * Complete the next step from an eloop timeout to allow pending |
| 155 | * driver events related to the disconnection to be processed |
| 156 | * first. This makes it less likely for disconnection event to |
| 157 | * cause problems with the following connection. |
| 158 | */ |
| 159 | wpa_printf(MSG_DEBUG, "WPS: Continue association from timeout"); |
| 160 | wpas_wps_assoc_with_cred_cancel(wpa_s); |
| 161 | eloop_register_timeout(0, 10000, |
| 162 | wpas_wps_assoc_with_cred, wpa_s, |
| 163 | use_fast_assoc ? (void *) 1 : |
| 164 | (void *) 0); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 165 | return 1; |
| 166 | } |
| 167 | |
| 168 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS && wpa_s->current_ssid) { |
| 169 | wpa_printf(MSG_DEBUG, "WPS: Registration completed - waiting " |
| 170 | "for external credential processing"); |
| 171 | wpas_clear_wps(wpa_s); |
Dmitry Shmidt | 203eadb | 2015-03-05 14:16:04 -0800 | [diff] [blame] | 172 | wpa_s->own_disconnect_req = 1; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 173 | wpa_supplicant_deauthenticate(wpa_s, |
| 174 | WLAN_REASON_DEAUTH_LEAVING); |
| 175 | return 1; |
| 176 | } |
| 177 | |
| 178 | return 0; |
| 179 | } |
| 180 | |
| 181 | |
| 182 | static void wpas_wps_security_workaround(struct wpa_supplicant *wpa_s, |
| 183 | struct wpa_ssid *ssid, |
| 184 | const struct wps_credential *cred) |
| 185 | { |
| 186 | struct wpa_driver_capa capa; |
| 187 | struct wpa_bss *bss; |
| 188 | const u8 *ie; |
| 189 | struct wpa_ie_data adv; |
| 190 | int wpa2 = 0, ccmp = 0; |
Hai Shalom | 4fbc08f | 2020-05-18 12:37:00 -0700 | [diff] [blame] | 191 | enum wpa_driver_if_type iftype; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 192 | |
| 193 | /* |
| 194 | * Many existing WPS APs do not know how to negotiate WPA2 or CCMP in |
| 195 | * case they are configured for mixed mode operation (WPA+WPA2 and |
| 196 | * TKIP+CCMP). Try to use scan results to figure out whether the AP |
| 197 | * actually supports stronger security and select that if the client |
| 198 | * has support for it, too. |
| 199 | */ |
| 200 | |
| 201 | if (wpa_drv_get_capa(wpa_s, &capa)) |
| 202 | return; /* Unknown what driver supports */ |
| 203 | |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 204 | if (ssid->ssid == NULL) |
| 205 | return; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 206 | bss = wpa_bss_get(wpa_s, cred->mac_addr, ssid->ssid, ssid->ssid_len); |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 207 | if (!bss) |
| 208 | bss = wpa_bss_get(wpa_s, wpa_s->bssid, |
| 209 | ssid->ssid, ssid->ssid_len); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 210 | if (bss == NULL) { |
| 211 | wpa_printf(MSG_DEBUG, "WPS: The AP was not found from BSS " |
| 212 | "table - use credential as-is"); |
| 213 | return; |
| 214 | } |
| 215 | |
| 216 | wpa_printf(MSG_DEBUG, "WPS: AP found from BSS table"); |
| 217 | |
| 218 | ie = wpa_bss_get_ie(bss, WLAN_EID_RSN); |
| 219 | if (ie && wpa_parse_wpa_ie(ie, 2 + ie[1], &adv) == 0) { |
| 220 | wpa2 = 1; |
| 221 | if (adv.pairwise_cipher & WPA_CIPHER_CCMP) |
| 222 | ccmp = 1; |
| 223 | } else { |
| 224 | ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE); |
| 225 | if (ie && wpa_parse_wpa_ie(ie, 2 + ie[1], &adv) == 0 && |
| 226 | adv.pairwise_cipher & WPA_CIPHER_CCMP) |
| 227 | ccmp = 1; |
| 228 | } |
| 229 | |
| 230 | if (ie == NULL && (ssid->proto & WPA_PROTO_WPA) && |
| 231 | (ssid->pairwise_cipher & WPA_CIPHER_TKIP)) { |
| 232 | /* |
| 233 | * TODO: This could be the initial AP configuration and the |
| 234 | * Beacon contents could change shortly. Should request a new |
| 235 | * scan and delay addition of the network until the updated |
| 236 | * scan results are available. |
| 237 | */ |
| 238 | wpa_printf(MSG_DEBUG, "WPS: The AP did not yet advertise WPA " |
| 239 | "support - use credential as-is"); |
| 240 | return; |
| 241 | } |
| 242 | |
Hai Shalom | 4fbc08f | 2020-05-18 12:37:00 -0700 | [diff] [blame] | 243 | iftype = ssid->p2p_group ? WPA_IF_P2P_CLIENT : WPA_IF_STATION; |
| 244 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 245 | if (ccmp && !(ssid->pairwise_cipher & WPA_CIPHER_CCMP) && |
| 246 | (ssid->pairwise_cipher & WPA_CIPHER_TKIP) && |
Hai Shalom | 4fbc08f | 2020-05-18 12:37:00 -0700 | [diff] [blame] | 247 | (capa.key_mgmt_iftype[iftype] & |
| 248 | WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) { |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 249 | wpa_printf(MSG_DEBUG, "WPS: Add CCMP into the credential " |
| 250 | "based on scan results"); |
| 251 | if (wpa_s->conf->ap_scan == 1) |
| 252 | ssid->pairwise_cipher |= WPA_CIPHER_CCMP; |
| 253 | else |
| 254 | ssid->pairwise_cipher = WPA_CIPHER_CCMP; |
| 255 | } |
| 256 | |
| 257 | if (wpa2 && !(ssid->proto & WPA_PROTO_RSN) && |
| 258 | (ssid->proto & WPA_PROTO_WPA) && |
| 259 | (capa.enc & WPA_DRIVER_CAPA_ENC_CCMP)) { |
| 260 | wpa_printf(MSG_DEBUG, "WPS: Add WPA2 into the credential " |
| 261 | "based on scan results"); |
| 262 | if (wpa_s->conf->ap_scan == 1) |
| 263 | ssid->proto |= WPA_PROTO_RSN; |
| 264 | else |
| 265 | ssid->proto = WPA_PROTO_RSN; |
| 266 | } |
| 267 | } |
| 268 | |
| 269 | |
Dmitry Shmidt | 51b6ea8 | 2013-05-08 10:42:09 -0700 | [diff] [blame] | 270 | static void wpas_wps_remove_dup_network(struct wpa_supplicant *wpa_s, |
| 271 | struct wpa_ssid *new_ssid) |
| 272 | { |
| 273 | struct wpa_ssid *ssid, *next; |
| 274 | |
| 275 | for (ssid = wpa_s->conf->ssid, next = ssid ? ssid->next : NULL; ssid; |
| 276 | ssid = next, next = ssid ? ssid->next : NULL) { |
| 277 | /* |
| 278 | * new_ssid has already been added to the list in |
| 279 | * wpas_wps_add_network(), so skip it. |
| 280 | */ |
| 281 | if (ssid == new_ssid) |
| 282 | continue; |
| 283 | |
| 284 | if (ssid->bssid_set || new_ssid->bssid_set) { |
| 285 | if (ssid->bssid_set != new_ssid->bssid_set) |
| 286 | continue; |
| 287 | if (os_memcmp(ssid->bssid, new_ssid->bssid, ETH_ALEN) != |
| 288 | 0) |
| 289 | continue; |
| 290 | } |
| 291 | |
| 292 | /* compare SSID */ |
| 293 | if (ssid->ssid_len == 0 || ssid->ssid_len != new_ssid->ssid_len) |
| 294 | continue; |
| 295 | |
| 296 | if (ssid->ssid && new_ssid->ssid) { |
| 297 | if (os_memcmp(ssid->ssid, new_ssid->ssid, |
| 298 | ssid->ssid_len) != 0) |
| 299 | continue; |
| 300 | } else if (ssid->ssid || new_ssid->ssid) |
| 301 | continue; |
| 302 | |
| 303 | /* compare security parameters */ |
| 304 | if (ssid->auth_alg != new_ssid->auth_alg || |
| 305 | ssid->key_mgmt != new_ssid->key_mgmt || |
Dmitry Shmidt | 6c0da2b | 2015-01-05 13:08:17 -0800 | [diff] [blame] | 306 | (ssid->group_cipher != new_ssid->group_cipher && |
| 307 | !(ssid->group_cipher & new_ssid->group_cipher & |
| 308 | WPA_CIPHER_CCMP))) |
Dmitry Shmidt | 51b6ea8 | 2013-05-08 10:42:09 -0700 | [diff] [blame] | 309 | continue; |
| 310 | |
Dmitry Shmidt | 661b4f7 | 2014-09-29 14:58:27 -0700 | [diff] [blame] | 311 | /* |
| 312 | * Some existing WPS APs will send two creds in case they are |
| 313 | * configured for mixed mode operation (WPA+WPA2 and TKIP+CCMP). |
| 314 | * Try to merge these two creds if they are received in the same |
| 315 | * M8 message. |
| 316 | */ |
| 317 | if (ssid->wps_run && ssid->wps_run == new_ssid->wps_run && |
| 318 | wpa_key_mgmt_wpa_psk(ssid->key_mgmt)) { |
| 319 | if (new_ssid->passphrase && ssid->passphrase && |
| 320 | os_strcmp(new_ssid->passphrase, ssid->passphrase) != |
| 321 | 0) { |
| 322 | wpa_printf(MSG_DEBUG, |
| 323 | "WPS: M8 Creds with different passphrase - do not merge"); |
| 324 | continue; |
| 325 | } |
| 326 | |
| 327 | if (new_ssid->psk_set && |
| 328 | (!ssid->psk_set || |
| 329 | os_memcmp(new_ssid->psk, ssid->psk, 32) != 0)) { |
| 330 | wpa_printf(MSG_DEBUG, |
| 331 | "WPS: M8 Creds with different PSK - do not merge"); |
| 332 | continue; |
| 333 | } |
| 334 | |
| 335 | if ((new_ssid->passphrase && !ssid->passphrase) || |
| 336 | (!new_ssid->passphrase && ssid->passphrase)) { |
| 337 | wpa_printf(MSG_DEBUG, |
| 338 | "WPS: M8 Creds with different passphrase/PSK type - do not merge"); |
| 339 | continue; |
| 340 | } |
| 341 | |
| 342 | wpa_printf(MSG_DEBUG, |
| 343 | "WPS: Workaround - merge likely WPA/WPA2-mixed mode creds in same M8 message"); |
| 344 | new_ssid->proto |= ssid->proto; |
| 345 | new_ssid->pairwise_cipher |= ssid->pairwise_cipher; |
| 346 | } else { |
| 347 | /* |
| 348 | * proto and pairwise_cipher difference matter for |
| 349 | * non-mixed-mode creds. |
| 350 | */ |
| 351 | if (ssid->proto != new_ssid->proto || |
| 352 | ssid->pairwise_cipher != new_ssid->pairwise_cipher) |
| 353 | continue; |
| 354 | } |
| 355 | |
Dmitry Shmidt | 51b6ea8 | 2013-05-08 10:42:09 -0700 | [diff] [blame] | 356 | /* Remove the duplicated older network entry. */ |
| 357 | wpa_printf(MSG_DEBUG, "Remove duplicate network %d", ssid->id); |
| 358 | wpas_notify_network_removed(wpa_s, ssid); |
Dmitry Shmidt | 6c0da2b | 2015-01-05 13:08:17 -0800 | [diff] [blame] | 359 | if (wpa_s->current_ssid == ssid) |
| 360 | wpa_s->current_ssid = NULL; |
Dmitry Shmidt | 51b6ea8 | 2013-05-08 10:42:09 -0700 | [diff] [blame] | 361 | wpa_config_remove_network(wpa_s->conf, ssid->id); |
| 362 | } |
| 363 | } |
| 364 | |
| 365 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 366 | static int wpa_supplicant_wps_cred(void *ctx, |
| 367 | const struct wps_credential *cred) |
| 368 | { |
| 369 | struct wpa_supplicant *wpa_s = ctx; |
| 370 | struct wpa_ssid *ssid = wpa_s->current_ssid; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 371 | u16 auth_type; |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 372 | #ifdef CONFIG_WPS_REG_DISABLE_OPEN |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 373 | int registrar = 0; |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 374 | #endif /* CONFIG_WPS_REG_DISABLE_OPEN */ |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 375 | |
| 376 | if ((wpa_s->conf->wps_cred_processing == 1 || |
| 377 | wpa_s->conf->wps_cred_processing == 2) && cred->cred_attr) { |
| 378 | size_t blen = cred->cred_attr_len * 2 + 1; |
| 379 | char *buf = os_malloc(blen); |
| 380 | if (buf) { |
| 381 | wpa_snprintf_hex(buf, blen, |
| 382 | cred->cred_attr, cred->cred_attr_len); |
| 383 | wpa_msg(wpa_s, MSG_INFO, "%s%s", |
| 384 | WPS_EVENT_CRED_RECEIVED, buf); |
| 385 | os_free(buf); |
| 386 | } |
| 387 | |
| 388 | wpas_notify_wps_credential(wpa_s, cred); |
| 389 | } else |
| 390 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_CRED_RECEIVED); |
| 391 | |
| 392 | wpa_hexdump_key(MSG_DEBUG, "WPS: Received Credential attribute", |
| 393 | cred->cred_attr, cred->cred_attr_len); |
| 394 | |
| 395 | if (wpa_s->conf->wps_cred_processing == 1) |
| 396 | return 0; |
| 397 | |
| 398 | wpa_hexdump_ascii(MSG_DEBUG, "WPS: SSID", cred->ssid, cred->ssid_len); |
| 399 | wpa_printf(MSG_DEBUG, "WPS: Authentication Type 0x%x", |
| 400 | cred->auth_type); |
| 401 | wpa_printf(MSG_DEBUG, "WPS: Encryption Type 0x%x", cred->encr_type); |
| 402 | wpa_printf(MSG_DEBUG, "WPS: Network Key Index %d", cred->key_idx); |
| 403 | wpa_hexdump_key(MSG_DEBUG, "WPS: Network Key", |
| 404 | cred->key, cred->key_len); |
| 405 | wpa_printf(MSG_DEBUG, "WPS: MAC Address " MACSTR, |
| 406 | MAC2STR(cred->mac_addr)); |
| 407 | |
| 408 | auth_type = cred->auth_type; |
| 409 | if (auth_type == (WPS_AUTH_WPAPSK | WPS_AUTH_WPA2PSK)) { |
| 410 | wpa_printf(MSG_DEBUG, "WPS: Workaround - convert mixed-mode " |
| 411 | "auth_type into WPA2PSK"); |
| 412 | auth_type = WPS_AUTH_WPA2PSK; |
| 413 | } |
| 414 | |
| 415 | if (auth_type != WPS_AUTH_OPEN && |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 416 | auth_type != WPS_AUTH_WPAPSK && |
| 417 | auth_type != WPS_AUTH_WPA2PSK) { |
| 418 | wpa_printf(MSG_DEBUG, "WPS: Ignored credentials for " |
| 419 | "unsupported authentication type 0x%x", |
| 420 | auth_type); |
| 421 | return 0; |
| 422 | } |
| 423 | |
Dmitry Shmidt | d5e4923 | 2012-12-03 15:08:10 -0800 | [diff] [blame] | 424 | if (auth_type == WPS_AUTH_WPAPSK || auth_type == WPS_AUTH_WPA2PSK) { |
| 425 | if (cred->key_len < 8 || cred->key_len > 2 * PMK_LEN) { |
| 426 | wpa_printf(MSG_ERROR, "WPS: Reject PSK credential with " |
| 427 | "invalid Network Key length %lu", |
| 428 | (unsigned long) cred->key_len); |
| 429 | return -1; |
| 430 | } |
| 431 | } |
| 432 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 433 | if (ssid && (ssid->key_mgmt & WPA_KEY_MGMT_WPS)) { |
| 434 | wpa_printf(MSG_DEBUG, "WPS: Replace WPS network block based " |
| 435 | "on the received credential"); |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 436 | #ifdef CONFIG_WPS_REG_DISABLE_OPEN |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 437 | if (ssid->eap.identity && |
| 438 | ssid->eap.identity_len == WSC_ID_REGISTRAR_LEN && |
| 439 | os_memcmp(ssid->eap.identity, WSC_ID_REGISTRAR, |
| 440 | WSC_ID_REGISTRAR_LEN) == 0) |
| 441 | registrar = 1; |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 442 | #endif /* CONFIG_WPS_REG_DISABLE_OPEN */ |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 443 | os_free(ssid->eap.identity); |
| 444 | ssid->eap.identity = NULL; |
| 445 | ssid->eap.identity_len = 0; |
| 446 | os_free(ssid->eap.phase1); |
| 447 | ssid->eap.phase1 = NULL; |
| 448 | os_free(ssid->eap.eap_methods); |
| 449 | ssid->eap.eap_methods = NULL; |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 450 | if (!ssid->p2p_group) { |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 451 | ssid->temporary = 0; |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 452 | ssid->bssid_set = 0; |
| 453 | } |
| 454 | ssid->disabled_until.sec = 0; |
| 455 | ssid->disabled_until.usec = 0; |
| 456 | ssid->auth_failures = 0; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 457 | } else { |
| 458 | wpa_printf(MSG_DEBUG, "WPS: Create a new network based on the " |
| 459 | "received credential"); |
| 460 | ssid = wpa_config_add_network(wpa_s->conf); |
| 461 | if (ssid == NULL) |
| 462 | return -1; |
Dmitry Shmidt | 7dba0e5 | 2014-04-14 10:49:15 -0700 | [diff] [blame] | 463 | if (wpa_s->current_ssid) { |
| 464 | /* |
| 465 | * Should the GO issue multiple credentials for some |
| 466 | * reason, each credential should be marked as a |
| 467 | * temporary P2P group similarly to the one that gets |
| 468 | * marked as such based on the pre-configured values |
| 469 | * used for the WPS network block. |
| 470 | */ |
| 471 | ssid->p2p_group = wpa_s->current_ssid->p2p_group; |
| 472 | ssid->temporary = wpa_s->current_ssid->temporary; |
| 473 | } |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 474 | wpas_notify_network_added(wpa_s, ssid); |
| 475 | } |
| 476 | |
| 477 | wpa_config_set_network_defaults(ssid); |
Dmitry Shmidt | 661b4f7 | 2014-09-29 14:58:27 -0700 | [diff] [blame] | 478 | ssid->wps_run = wpa_s->wps_run; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 479 | |
| 480 | os_free(ssid->ssid); |
| 481 | ssid->ssid = os_malloc(cred->ssid_len); |
| 482 | if (ssid->ssid) { |
| 483 | os_memcpy(ssid->ssid, cred->ssid, cred->ssid_len); |
| 484 | ssid->ssid_len = cred->ssid_len; |
| 485 | } |
| 486 | |
| 487 | switch (cred->encr_type) { |
| 488 | case WPS_ENCR_NONE: |
| 489 | break; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 490 | case WPS_ENCR_TKIP: |
Hai Shalom | b755a2a | 2020-04-23 21:49:02 -0700 | [diff] [blame] | 491 | ssid->pairwise_cipher = WPA_CIPHER_TKIP | WPA_CIPHER_CCMP; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 492 | break; |
| 493 | case WPS_ENCR_AES: |
| 494 | ssid->pairwise_cipher = WPA_CIPHER_CCMP; |
Dmitry Shmidt | 6c0da2b | 2015-01-05 13:08:17 -0800 | [diff] [blame] | 495 | if (wpa_s->drv_capa_known && |
| 496 | (wpa_s->drv_enc & WPA_DRIVER_CAPA_ENC_GCMP)) { |
| 497 | ssid->pairwise_cipher |= WPA_CIPHER_GCMP; |
| 498 | ssid->group_cipher |= WPA_CIPHER_GCMP; |
| 499 | } |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 500 | if (wpa_s->drv_capa_known && |
| 501 | (wpa_s->drv_enc & WPA_DRIVER_CAPA_ENC_GCMP_256)) { |
| 502 | ssid->pairwise_cipher |= WPA_CIPHER_GCMP_256; |
| 503 | ssid->group_cipher |= WPA_CIPHER_GCMP_256; |
| 504 | } |
| 505 | if (wpa_s->drv_capa_known && |
| 506 | (wpa_s->drv_enc & WPA_DRIVER_CAPA_ENC_CCMP_256)) { |
| 507 | ssid->pairwise_cipher |= WPA_CIPHER_CCMP_256; |
| 508 | ssid->group_cipher |= WPA_CIPHER_CCMP_256; |
| 509 | } |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 510 | break; |
| 511 | } |
| 512 | |
| 513 | switch (auth_type) { |
| 514 | case WPS_AUTH_OPEN: |
| 515 | ssid->auth_alg = WPA_AUTH_ALG_OPEN; |
| 516 | ssid->key_mgmt = WPA_KEY_MGMT_NONE; |
| 517 | ssid->proto = 0; |
| 518 | #ifdef CONFIG_WPS_REG_DISABLE_OPEN |
| 519 | if (registrar) { |
| 520 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_OPEN_NETWORK |
| 521 | "id=%d - Credentials for an open " |
| 522 | "network disabled by default - use " |
| 523 | "'select_network %d' to enable", |
| 524 | ssid->id, ssid->id); |
| 525 | ssid->disabled = 1; |
| 526 | } |
| 527 | #endif /* CONFIG_WPS_REG_DISABLE_OPEN */ |
| 528 | break; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 529 | case WPS_AUTH_WPAPSK: |
| 530 | ssid->auth_alg = WPA_AUTH_ALG_OPEN; |
| 531 | ssid->key_mgmt = WPA_KEY_MGMT_PSK; |
Hai Shalom | b755a2a | 2020-04-23 21:49:02 -0700 | [diff] [blame] | 532 | ssid->proto = WPA_PROTO_WPA | WPA_PROTO_RSN; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 533 | break; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 534 | case WPS_AUTH_WPA2PSK: |
| 535 | ssid->auth_alg = WPA_AUTH_ALG_OPEN; |
| 536 | ssid->key_mgmt = WPA_KEY_MGMT_PSK; |
Hai Shalom | 021b0b5 | 2019-04-10 11:17:58 -0700 | [diff] [blame] | 537 | if (wpa_s->conf->wps_cred_add_sae && |
| 538 | cred->key_len != 2 * PMK_LEN) { |
Hai Shalom | fdcde76 | 2020-04-02 11:19:20 -0700 | [diff] [blame] | 539 | ssid->auth_alg = 0; |
Hai Shalom | 021b0b5 | 2019-04-10 11:17:58 -0700 | [diff] [blame] | 540 | ssid->key_mgmt |= WPA_KEY_MGMT_SAE; |
Hai Shalom | 021b0b5 | 2019-04-10 11:17:58 -0700 | [diff] [blame] | 541 | ssid->ieee80211w = MGMT_FRAME_PROTECTION_OPTIONAL; |
Hai Shalom | 021b0b5 | 2019-04-10 11:17:58 -0700 | [diff] [blame] | 542 | } |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 543 | ssid->proto = WPA_PROTO_RSN; |
| 544 | break; |
| 545 | } |
| 546 | |
Hai Shalom | 021b0b5 | 2019-04-10 11:17:58 -0700 | [diff] [blame] | 547 | if (ssid->key_mgmt & WPA_KEY_MGMT_PSK) { |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 548 | if (cred->key_len == 2 * PMK_LEN) { |
| 549 | if (hexstr2bin((const char *) cred->key, ssid->psk, |
| 550 | PMK_LEN)) { |
| 551 | wpa_printf(MSG_ERROR, "WPS: Invalid Network " |
| 552 | "Key"); |
| 553 | return -1; |
| 554 | } |
| 555 | ssid->psk_set = 1; |
| 556 | ssid->export_keys = 1; |
| 557 | } else if (cred->key_len >= 8 && cred->key_len < 2 * PMK_LEN) { |
| 558 | os_free(ssid->passphrase); |
| 559 | ssid->passphrase = os_malloc(cred->key_len + 1); |
| 560 | if (ssid->passphrase == NULL) |
| 561 | return -1; |
| 562 | os_memcpy(ssid->passphrase, cred->key, cred->key_len); |
| 563 | ssid->passphrase[cred->key_len] = '\0'; |
| 564 | wpa_config_update_psk(ssid); |
| 565 | ssid->export_keys = 1; |
| 566 | } else { |
| 567 | wpa_printf(MSG_ERROR, "WPS: Invalid Network Key " |
| 568 | "length %lu", |
| 569 | (unsigned long) cred->key_len); |
| 570 | return -1; |
| 571 | } |
| 572 | } |
Dmitry Shmidt | 7a53dbb | 2015-06-11 13:13:53 -0700 | [diff] [blame] | 573 | ssid->priority = wpa_s->conf->wps_priority; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 574 | |
| 575 | wpas_wps_security_workaround(wpa_s, ssid, cred); |
| 576 | |
Dmitry Shmidt | 51b6ea8 | 2013-05-08 10:42:09 -0700 | [diff] [blame] | 577 | wpas_wps_remove_dup_network(wpa_s, ssid); |
| 578 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 579 | #ifndef CONFIG_NO_CONFIG_WRITE |
| 580 | if (wpa_s->conf->update_config && |
| 581 | wpa_config_write(wpa_s->confname, wpa_s->conf)) { |
| 582 | wpa_printf(MSG_DEBUG, "WPS: Failed to update configuration"); |
| 583 | return -1; |
| 584 | } |
| 585 | #endif /* CONFIG_NO_CONFIG_WRITE */ |
| 586 | |
Dmitry Shmidt | 7a53dbb | 2015-06-11 13:13:53 -0700 | [diff] [blame] | 587 | if (ssid->priority) |
| 588 | wpa_config_update_prio_list(wpa_s->conf); |
| 589 | |
Dmitry Shmidt | a54fa5f | 2013-01-15 13:53:35 -0800 | [diff] [blame] | 590 | /* |
| 591 | * Optimize the post-WPS scan based on the channel used during |
| 592 | * the provisioning in case EAP-Failure is not received. |
| 593 | */ |
| 594 | wpa_s->after_wps = 5; |
| 595 | wpa_s->wps_freq = wpa_s->assoc_freq; |
| 596 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 597 | return 0; |
| 598 | } |
| 599 | |
| 600 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 601 | static void wpa_supplicant_wps_event_m2d(struct wpa_supplicant *wpa_s, |
| 602 | struct wps_event_m2d *m2d) |
| 603 | { |
| 604 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_M2D |
| 605 | "dev_password_id=%d config_error=%d", |
| 606 | m2d->dev_password_id, m2d->config_error); |
| 607 | wpas_notify_wps_event_m2d(wpa_s, m2d); |
| 608 | #ifdef CONFIG_P2P |
Dmitry Shmidt | 9c17526 | 2016-03-03 10:20:07 -0800 | [diff] [blame] | 609 | if (wpa_s->p2pdev && wpa_s->p2pdev != wpa_s) { |
| 610 | wpa_msg(wpa_s->p2pdev, MSG_INFO, WPS_EVENT_M2D |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 611 | "dev_password_id=%d config_error=%d", |
| 612 | m2d->dev_password_id, m2d->config_error); |
| 613 | } |
| 614 | if (m2d->config_error == WPS_CFG_MULTIPLE_PBC_DETECTED) { |
| 615 | /* |
| 616 | * Notify P2P from eloop timeout to avoid issues with the |
| 617 | * interface getting removed while processing a message. |
| 618 | */ |
Dmitry Shmidt | df5a7e4 | 2014-04-02 12:59:59 -0700 | [diff] [blame] | 619 | eloop_register_timeout(0, 0, wpas_p2p_pbc_overlap_cb, wpa_s, |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 620 | NULL); |
| 621 | } |
| 622 | #endif /* CONFIG_P2P */ |
| 623 | } |
| 624 | |
| 625 | |
Dmitry Shmidt | b7b4d0e | 2013-08-26 12:09:05 -0700 | [diff] [blame] | 626 | static void wpas_wps_clear_timeout(void *eloop_ctx, void *timeout_ctx) |
| 627 | { |
| 628 | struct wpa_supplicant *wpa_s = eloop_ctx; |
| 629 | wpa_printf(MSG_DEBUG, "WPS: Clear WPS network from timeout"); |
| 630 | wpas_clear_wps(wpa_s); |
| 631 | } |
| 632 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 633 | |
| 634 | static void wpa_supplicant_wps_event_fail(struct wpa_supplicant *wpa_s, |
| 635 | struct wps_event_fail *fail) |
| 636 | { |
| 637 | if (fail->error_indication > 0 && |
| 638 | fail->error_indication < NUM_WPS_EI_VALUES) { |
| 639 | wpa_msg(wpa_s, MSG_INFO, |
| 640 | WPS_EVENT_FAIL "msg=%d config_error=%d reason=%d (%s)", |
| 641 | fail->msg, fail->config_error, fail->error_indication, |
Dmitry Shmidt | b7b4d0e | 2013-08-26 12:09:05 -0700 | [diff] [blame] | 642 | wps_ei_str(fail->error_indication)); |
Dmitry Shmidt | 9c17526 | 2016-03-03 10:20:07 -0800 | [diff] [blame] | 643 | if (wpa_s->p2pdev && wpa_s->p2pdev != wpa_s) |
| 644 | wpa_msg(wpa_s->p2pdev, MSG_INFO, WPS_EVENT_FAIL |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 645 | "msg=%d config_error=%d reason=%d (%s)", |
| 646 | fail->msg, fail->config_error, |
| 647 | fail->error_indication, |
Dmitry Shmidt | b7b4d0e | 2013-08-26 12:09:05 -0700 | [diff] [blame] | 648 | wps_ei_str(fail->error_indication)); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 649 | } else { |
| 650 | wpa_msg(wpa_s, MSG_INFO, |
| 651 | WPS_EVENT_FAIL "msg=%d config_error=%d", |
| 652 | fail->msg, fail->config_error); |
Dmitry Shmidt | 9c17526 | 2016-03-03 10:20:07 -0800 | [diff] [blame] | 653 | if (wpa_s->p2pdev && wpa_s->p2pdev != wpa_s) |
| 654 | wpa_msg(wpa_s->p2pdev, MSG_INFO, WPS_EVENT_FAIL |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 655 | "msg=%d config_error=%d", |
| 656 | fail->msg, fail->config_error); |
| 657 | } |
Dmitry Shmidt | b7b4d0e | 2013-08-26 12:09:05 -0700 | [diff] [blame] | 658 | |
| 659 | /* |
| 660 | * Need to allow WPS processing to complete, e.g., by sending WSC_NACK. |
| 661 | */ |
| 662 | wpa_printf(MSG_DEBUG, "WPS: Register timeout to clear WPS network"); |
| 663 | eloop_cancel_timeout(wpas_wps_clear_timeout, wpa_s, NULL); |
| 664 | eloop_register_timeout(0, 100000, wpas_wps_clear_timeout, wpa_s, NULL); |
| 665 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 666 | wpas_notify_wps_event_fail(wpa_s, fail); |
Jouni Malinen | 75ecf52 | 2011-06-27 15:19:46 -0700 | [diff] [blame] | 667 | wpas_p2p_wps_failed(wpa_s, fail); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 668 | } |
| 669 | |
| 670 | |
Dmitry Shmidt | d5e4923 | 2012-12-03 15:08:10 -0800 | [diff] [blame] | 671 | static void wpas_wps_reenable_networks_cb(void *eloop_ctx, void *timeout_ctx); |
| 672 | |
| 673 | static void wpas_wps_reenable_networks(struct wpa_supplicant *wpa_s) |
| 674 | { |
| 675 | struct wpa_ssid *ssid; |
Dmitry Shmidt | a54fa5f | 2013-01-15 13:53:35 -0800 | [diff] [blame] | 676 | int changed = 0; |
Dmitry Shmidt | d5e4923 | 2012-12-03 15:08:10 -0800 | [diff] [blame] | 677 | |
| 678 | eloop_cancel_timeout(wpas_wps_reenable_networks_cb, wpa_s, NULL); |
| 679 | |
| 680 | for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) { |
| 681 | if (ssid->disabled_for_connect && ssid->disabled) { |
| 682 | ssid->disabled_for_connect = 0; |
| 683 | ssid->disabled = 0; |
| 684 | wpas_notify_network_enabled_changed(wpa_s, ssid); |
Dmitry Shmidt | a54fa5f | 2013-01-15 13:53:35 -0800 | [diff] [blame] | 685 | changed++; |
Dmitry Shmidt | d5e4923 | 2012-12-03 15:08:10 -0800 | [diff] [blame] | 686 | } |
| 687 | } |
Dmitry Shmidt | a54fa5f | 2013-01-15 13:53:35 -0800 | [diff] [blame] | 688 | |
| 689 | if (changed) { |
| 690 | #ifndef CONFIG_NO_CONFIG_WRITE |
| 691 | if (wpa_s->conf->update_config && |
| 692 | wpa_config_write(wpa_s->confname, wpa_s->conf)) { |
| 693 | wpa_printf(MSG_DEBUG, "WPS: Failed to update " |
| 694 | "configuration"); |
| 695 | } |
| 696 | #endif /* CONFIG_NO_CONFIG_WRITE */ |
| 697 | } |
Dmitry Shmidt | d5e4923 | 2012-12-03 15:08:10 -0800 | [diff] [blame] | 698 | } |
| 699 | |
| 700 | |
| 701 | static void wpas_wps_reenable_networks_cb(void *eloop_ctx, void *timeout_ctx) |
| 702 | { |
| 703 | struct wpa_supplicant *wpa_s = eloop_ctx; |
| 704 | /* Enable the networks disabled during wpas_wps_reassoc */ |
| 705 | wpas_wps_reenable_networks(wpa_s); |
| 706 | } |
| 707 | |
| 708 | |
Dmitry Shmidt | d7ff03d | 2015-12-04 14:49:35 -0800 | [diff] [blame] | 709 | int wpas_wps_reenable_networks_pending(struct wpa_supplicant *wpa_s) |
| 710 | { |
| 711 | return eloop_is_timeout_registered(wpas_wps_reenable_networks_cb, |
| 712 | wpa_s, NULL); |
| 713 | } |
| 714 | |
| 715 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 716 | static void wpa_supplicant_wps_event_success(struct wpa_supplicant *wpa_s) |
| 717 | { |
| 718 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_SUCCESS); |
| 719 | wpa_s->wps_success = 1; |
| 720 | wpas_notify_wps_event_success(wpa_s); |
Dmitry Shmidt | 44c9578 | 2013-05-17 09:51:35 -0700 | [diff] [blame] | 721 | if (wpa_s->current_ssid) |
| 722 | wpas_clear_temp_disabled(wpa_s, wpa_s->current_ssid, 1); |
Hai Shalom | 899fcc7 | 2020-10-19 14:38:18 -0700 | [diff] [blame] | 723 | wpa_s->consecutive_conn_failures = 0; |
Dmitry Shmidt | d5e4923 | 2012-12-03 15:08:10 -0800 | [diff] [blame] | 724 | |
| 725 | /* |
| 726 | * Enable the networks disabled during wpas_wps_reassoc after 10 |
| 727 | * seconds. The 10 seconds timer is to allow the data connection to be |
| 728 | * formed before allowing other networks to be selected. |
| 729 | */ |
| 730 | eloop_register_timeout(10, 0, wpas_wps_reenable_networks_cb, wpa_s, |
| 731 | NULL); |
| 732 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 733 | wpas_p2p_wps_success(wpa_s, wpa_s->bssid, 0); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 734 | } |
| 735 | |
| 736 | |
| 737 | static void wpa_supplicant_wps_event_er_ap_add(struct wpa_supplicant *wpa_s, |
| 738 | struct wps_event_er_ap *ap) |
| 739 | { |
| 740 | char uuid_str[100]; |
| 741 | char dev_type[WPS_DEV_TYPE_BUFSIZE]; |
| 742 | |
| 743 | uuid_bin2str(ap->uuid, uuid_str, sizeof(uuid_str)); |
| 744 | if (ap->pri_dev_type) |
| 745 | wps_dev_type_bin2str(ap->pri_dev_type, dev_type, |
| 746 | sizeof(dev_type)); |
| 747 | else |
| 748 | dev_type[0] = '\0'; |
| 749 | |
| 750 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_AP_ADD "%s " MACSTR |
| 751 | " pri_dev_type=%s wps_state=%d |%s|%s|%s|%s|%s|%s|", |
| 752 | uuid_str, MAC2STR(ap->mac_addr), dev_type, ap->wps_state, |
| 753 | ap->friendly_name ? ap->friendly_name : "", |
| 754 | ap->manufacturer ? ap->manufacturer : "", |
| 755 | ap->model_description ? ap->model_description : "", |
| 756 | ap->model_name ? ap->model_name : "", |
| 757 | ap->manufacturer_url ? ap->manufacturer_url : "", |
| 758 | ap->model_url ? ap->model_url : ""); |
| 759 | } |
| 760 | |
| 761 | |
| 762 | static void wpa_supplicant_wps_event_er_ap_remove(struct wpa_supplicant *wpa_s, |
| 763 | struct wps_event_er_ap *ap) |
| 764 | { |
| 765 | char uuid_str[100]; |
| 766 | uuid_bin2str(ap->uuid, uuid_str, sizeof(uuid_str)); |
| 767 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_AP_REMOVE "%s", uuid_str); |
| 768 | } |
| 769 | |
| 770 | |
| 771 | static void wpa_supplicant_wps_event_er_enrollee_add( |
| 772 | struct wpa_supplicant *wpa_s, struct wps_event_er_enrollee *enrollee) |
| 773 | { |
| 774 | char uuid_str[100]; |
| 775 | char dev_type[WPS_DEV_TYPE_BUFSIZE]; |
| 776 | |
| 777 | uuid_bin2str(enrollee->uuid, uuid_str, sizeof(uuid_str)); |
| 778 | if (enrollee->pri_dev_type) |
| 779 | wps_dev_type_bin2str(enrollee->pri_dev_type, dev_type, |
| 780 | sizeof(dev_type)); |
| 781 | else |
| 782 | dev_type[0] = '\0'; |
| 783 | |
| 784 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_ENROLLEE_ADD "%s " MACSTR |
| 785 | " M1=%d config_methods=0x%x dev_passwd_id=%d pri_dev_type=%s " |
| 786 | "|%s|%s|%s|%s|%s|", |
| 787 | uuid_str, MAC2STR(enrollee->mac_addr), enrollee->m1_received, |
| 788 | enrollee->config_methods, enrollee->dev_passwd_id, dev_type, |
| 789 | enrollee->dev_name ? enrollee->dev_name : "", |
| 790 | enrollee->manufacturer ? enrollee->manufacturer : "", |
| 791 | enrollee->model_name ? enrollee->model_name : "", |
| 792 | enrollee->model_number ? enrollee->model_number : "", |
| 793 | enrollee->serial_number ? enrollee->serial_number : ""); |
| 794 | } |
| 795 | |
| 796 | |
| 797 | static void wpa_supplicant_wps_event_er_enrollee_remove( |
| 798 | struct wpa_supplicant *wpa_s, struct wps_event_er_enrollee *enrollee) |
| 799 | { |
| 800 | char uuid_str[100]; |
| 801 | uuid_bin2str(enrollee->uuid, uuid_str, sizeof(uuid_str)); |
| 802 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_ENROLLEE_REMOVE "%s " MACSTR, |
| 803 | uuid_str, MAC2STR(enrollee->mac_addr)); |
| 804 | } |
| 805 | |
| 806 | |
| 807 | static void wpa_supplicant_wps_event_er_ap_settings( |
| 808 | struct wpa_supplicant *wpa_s, |
| 809 | struct wps_event_er_ap_settings *ap_settings) |
| 810 | { |
| 811 | char uuid_str[100]; |
| 812 | char key_str[65]; |
| 813 | const struct wps_credential *cred = ap_settings->cred; |
| 814 | |
| 815 | key_str[0] = '\0'; |
| 816 | if (cred->auth_type & (WPS_AUTH_WPAPSK | WPS_AUTH_WPA2PSK)) { |
| 817 | if (cred->key_len >= 8 && cred->key_len <= 64) { |
| 818 | os_memcpy(key_str, cred->key, cred->key_len); |
| 819 | key_str[cred->key_len] = '\0'; |
| 820 | } |
| 821 | } |
| 822 | |
| 823 | uuid_bin2str(ap_settings->uuid, uuid_str, sizeof(uuid_str)); |
| 824 | /* Use wpa_msg_ctrl to avoid showing the key in debug log */ |
| 825 | wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_ER_AP_SETTINGS |
| 826 | "uuid=%s ssid=%s auth_type=0x%04x encr_type=0x%04x " |
| 827 | "key=%s", |
| 828 | uuid_str, wpa_ssid_txt(cred->ssid, cred->ssid_len), |
| 829 | cred->auth_type, cred->encr_type, key_str); |
| 830 | } |
| 831 | |
| 832 | |
| 833 | static void wpa_supplicant_wps_event_er_set_sel_reg( |
| 834 | struct wpa_supplicant *wpa_s, |
| 835 | struct wps_event_er_set_selected_registrar *ev) |
| 836 | { |
| 837 | char uuid_str[100]; |
| 838 | |
| 839 | uuid_bin2str(ev->uuid, uuid_str, sizeof(uuid_str)); |
| 840 | switch (ev->state) { |
| 841 | case WPS_ER_SET_SEL_REG_START: |
| 842 | wpa_msg(wpa_s, MSG_DEBUG, WPS_EVENT_ER_SET_SEL_REG |
| 843 | "uuid=%s state=START sel_reg=%d dev_passwd_id=%u " |
| 844 | "sel_reg_config_methods=0x%x", |
| 845 | uuid_str, ev->sel_reg, ev->dev_passwd_id, |
| 846 | ev->sel_reg_config_methods); |
| 847 | break; |
| 848 | case WPS_ER_SET_SEL_REG_DONE: |
| 849 | wpa_msg(wpa_s, MSG_DEBUG, WPS_EVENT_ER_SET_SEL_REG |
| 850 | "uuid=%s state=DONE", uuid_str); |
| 851 | break; |
| 852 | case WPS_ER_SET_SEL_REG_FAILED: |
| 853 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_SET_SEL_REG |
| 854 | "uuid=%s state=FAILED", uuid_str); |
| 855 | break; |
| 856 | } |
| 857 | } |
| 858 | |
| 859 | |
| 860 | static void wpa_supplicant_wps_event(void *ctx, enum wps_event event, |
| 861 | union wps_event_data *data) |
| 862 | { |
| 863 | struct wpa_supplicant *wpa_s = ctx; |
| 864 | switch (event) { |
| 865 | case WPS_EV_M2D: |
| 866 | wpa_supplicant_wps_event_m2d(wpa_s, &data->m2d); |
| 867 | break; |
| 868 | case WPS_EV_FAIL: |
| 869 | wpa_supplicant_wps_event_fail(wpa_s, &data->fail); |
| 870 | break; |
| 871 | case WPS_EV_SUCCESS: |
| 872 | wpa_supplicant_wps_event_success(wpa_s); |
| 873 | break; |
| 874 | case WPS_EV_PWD_AUTH_FAIL: |
| 875 | #ifdef CONFIG_AP |
| 876 | if (wpa_s->ap_iface && data->pwd_auth_fail.enrollee) |
| 877 | wpa_supplicant_ap_pwd_auth_fail(wpa_s); |
| 878 | #endif /* CONFIG_AP */ |
| 879 | break; |
| 880 | case WPS_EV_PBC_OVERLAP: |
| 881 | break; |
| 882 | case WPS_EV_PBC_TIMEOUT: |
| 883 | break; |
Dmitry Shmidt | b7b4d0e | 2013-08-26 12:09:05 -0700 | [diff] [blame] | 884 | case WPS_EV_PBC_ACTIVE: |
| 885 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ACTIVE); |
| 886 | break; |
| 887 | case WPS_EV_PBC_DISABLE: |
| 888 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_DISABLE); |
| 889 | break; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 890 | case WPS_EV_ER_AP_ADD: |
| 891 | wpa_supplicant_wps_event_er_ap_add(wpa_s, &data->ap); |
| 892 | break; |
| 893 | case WPS_EV_ER_AP_REMOVE: |
| 894 | wpa_supplicant_wps_event_er_ap_remove(wpa_s, &data->ap); |
| 895 | break; |
| 896 | case WPS_EV_ER_ENROLLEE_ADD: |
| 897 | wpa_supplicant_wps_event_er_enrollee_add(wpa_s, |
| 898 | &data->enrollee); |
| 899 | break; |
| 900 | case WPS_EV_ER_ENROLLEE_REMOVE: |
| 901 | wpa_supplicant_wps_event_er_enrollee_remove(wpa_s, |
| 902 | &data->enrollee); |
| 903 | break; |
| 904 | case WPS_EV_ER_AP_SETTINGS: |
| 905 | wpa_supplicant_wps_event_er_ap_settings(wpa_s, |
| 906 | &data->ap_settings); |
| 907 | break; |
| 908 | case WPS_EV_ER_SET_SELECTED_REGISTRAR: |
| 909 | wpa_supplicant_wps_event_er_set_sel_reg(wpa_s, |
| 910 | &data->set_sel_reg); |
| 911 | break; |
Dmitry Shmidt | c5ec7f5 | 2012-03-06 16:33:24 -0800 | [diff] [blame] | 912 | case WPS_EV_AP_PIN_SUCCESS: |
| 913 | break; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 914 | } |
| 915 | } |
| 916 | |
| 917 | |
Dmitry Shmidt | b7b4d0e | 2013-08-26 12:09:05 -0700 | [diff] [blame] | 918 | static int wpa_supplicant_wps_rf_band(void *ctx) |
| 919 | { |
| 920 | struct wpa_supplicant *wpa_s = ctx; |
| 921 | |
| 922 | if (!wpa_s->current_ssid || !wpa_s->assoc_freq) |
| 923 | return 0; |
| 924 | |
Dmitry Shmidt | 1d755d0 | 2015-04-28 10:34:29 -0700 | [diff] [blame] | 925 | return (wpa_s->assoc_freq > 50000) ? WPS_RF_60GHZ : |
| 926 | (wpa_s->assoc_freq > 2484) ? WPS_RF_50GHZ : WPS_RF_24GHZ; |
Dmitry Shmidt | b7b4d0e | 2013-08-26 12:09:05 -0700 | [diff] [blame] | 927 | } |
| 928 | |
| 929 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 930 | enum wps_request_type wpas_wps_get_req_type(struct wpa_ssid *ssid) |
| 931 | { |
| 932 | if (eap_is_wps_pbc_enrollee(&ssid->eap) || |
| 933 | eap_is_wps_pin_enrollee(&ssid->eap)) |
| 934 | return WPS_REQ_ENROLLEE; |
| 935 | else |
| 936 | return WPS_REQ_REGISTRAR; |
| 937 | } |
| 938 | |
| 939 | |
| 940 | static void wpas_clear_wps(struct wpa_supplicant *wpa_s) |
| 941 | { |
| 942 | int id; |
Jouni Malinen | 75ecf52 | 2011-06-27 15:19:46 -0700 | [diff] [blame] | 943 | struct wpa_ssid *ssid, *remove_ssid = NULL, *prev_current; |
| 944 | |
Dmitry Shmidt | 051af73 | 2013-10-22 13:52:46 -0700 | [diff] [blame] | 945 | wpa_s->after_wps = 0; |
Dmitry Shmidt | 68d0e3e | 2013-10-28 17:59:21 -0700 | [diff] [blame] | 946 | wpa_s->known_wps_freq = 0; |
Dmitry Shmidt | 051af73 | 2013-10-22 13:52:46 -0700 | [diff] [blame] | 947 | |
Jouni Malinen | 75ecf52 | 2011-06-27 15:19:46 -0700 | [diff] [blame] | 948 | prev_current = wpa_s->current_ssid; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 949 | |
Dmitry Shmidt | d5e4923 | 2012-12-03 15:08:10 -0800 | [diff] [blame] | 950 | /* Enable the networks disabled during wpas_wps_reassoc */ |
| 951 | wpas_wps_reenable_networks(wpa_s); |
| 952 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 953 | eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL); |
Dmitry Shmidt | fb79edc | 2014-01-10 10:45:54 -0800 | [diff] [blame] | 954 | eloop_cancel_timeout(wpas_wps_clear_timeout, wpa_s, NULL); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 955 | |
| 956 | /* Remove any existing WPS network from configuration */ |
| 957 | ssid = wpa_s->conf->ssid; |
| 958 | while (ssid) { |
| 959 | if (ssid->key_mgmt & WPA_KEY_MGMT_WPS) { |
| 960 | if (ssid == wpa_s->current_ssid) { |
Dmitry Shmidt | 203eadb | 2015-03-05 14:16:04 -0800 | [diff] [blame] | 961 | wpa_s->own_disconnect_req = 1; |
Dmitry Shmidt | 34af306 | 2013-07-11 10:46:32 -0700 | [diff] [blame] | 962 | wpa_supplicant_deauthenticate( |
| 963 | wpa_s, WLAN_REASON_DEAUTH_LEAVING); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 964 | } |
| 965 | id = ssid->id; |
| 966 | remove_ssid = ssid; |
| 967 | } else |
| 968 | id = -1; |
| 969 | ssid = ssid->next; |
| 970 | if (id >= 0) { |
Jouni Malinen | 75ecf52 | 2011-06-27 15:19:46 -0700 | [diff] [blame] | 971 | if (prev_current == remove_ssid) { |
| 972 | wpa_sm_set_config(wpa_s->wpa, NULL); |
| 973 | eapol_sm_notify_config(wpa_s->eapol, NULL, |
| 974 | NULL); |
| 975 | } |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 976 | wpas_notify_network_removed(wpa_s, remove_ssid); |
| 977 | wpa_config_remove_network(wpa_s->conf, id); |
| 978 | } |
| 979 | } |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 980 | |
| 981 | wpas_wps_clear_ap_info(wpa_s); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 982 | } |
| 983 | |
| 984 | |
| 985 | static void wpas_wps_timeout(void *eloop_ctx, void *timeout_ctx) |
| 986 | { |
| 987 | struct wpa_supplicant *wpa_s = eloop_ctx; |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 988 | union wps_event_data data; |
| 989 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 990 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_TIMEOUT "Requested operation timed " |
| 991 | "out"); |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 992 | os_memset(&data, 0, sizeof(data)); |
| 993 | data.fail.config_error = WPS_CFG_MSG_TIMEOUT; |
| 994 | data.fail.error_indication = WPS_EI_NO_ERROR; |
| 995 | /* |
| 996 | * Call wpas_notify_wps_event_fail() directly instead of through |
| 997 | * wpa_supplicant_wps_event() which would end up registering unnecessary |
| 998 | * timeouts (those are only for the case where the failure happens |
| 999 | * during an EAP-WSC exchange). |
| 1000 | */ |
| 1001 | wpas_notify_wps_event_fail(wpa_s, &data.fail); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1002 | wpas_clear_wps(wpa_s); |
| 1003 | } |
| 1004 | |
| 1005 | |
| 1006 | static struct wpa_ssid * wpas_wps_add_network(struct wpa_supplicant *wpa_s, |
Dmitry Shmidt | cf32e60 | 2014-01-28 10:57:39 -0800 | [diff] [blame] | 1007 | int registrar, const u8 *dev_addr, |
| 1008 | const u8 *bssid) |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1009 | { |
| 1010 | struct wpa_ssid *ssid; |
| 1011 | |
| 1012 | ssid = wpa_config_add_network(wpa_s->conf); |
| 1013 | if (ssid == NULL) |
| 1014 | return NULL; |
| 1015 | wpas_notify_network_added(wpa_s, ssid); |
| 1016 | wpa_config_set_network_defaults(ssid); |
| 1017 | ssid->temporary = 1; |
| 1018 | if (wpa_config_set(ssid, "key_mgmt", "WPS", 0) < 0 || |
| 1019 | wpa_config_set(ssid, "eap", "WSC", 0) < 0 || |
| 1020 | wpa_config_set(ssid, "identity", registrar ? |
| 1021 | "\"" WSC_ID_REGISTRAR "\"" : |
| 1022 | "\"" WSC_ID_ENROLLEE "\"", 0) < 0) { |
| 1023 | wpas_notify_network_removed(wpa_s, ssid); |
| 1024 | wpa_config_remove_network(wpa_s->conf, ssid->id); |
| 1025 | return NULL; |
| 1026 | } |
| 1027 | |
Dmitry Shmidt | cf32e60 | 2014-01-28 10:57:39 -0800 | [diff] [blame] | 1028 | #ifdef CONFIG_P2P |
| 1029 | if (dev_addr) |
| 1030 | os_memcpy(ssid->go_p2p_dev_addr, dev_addr, ETH_ALEN); |
| 1031 | #endif /* CONFIG_P2P */ |
| 1032 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1033 | if (bssid) { |
| 1034 | #ifndef CONFIG_P2P |
| 1035 | struct wpa_bss *bss; |
| 1036 | int count = 0; |
| 1037 | #endif /* CONFIG_P2P */ |
| 1038 | |
| 1039 | os_memcpy(ssid->bssid, bssid, ETH_ALEN); |
| 1040 | ssid->bssid_set = 1; |
| 1041 | |
| 1042 | /* |
| 1043 | * Note: With P2P, the SSID may change at the time the WPS |
| 1044 | * provisioning is started, so better not filter the AP based |
| 1045 | * on the current SSID in the scan results. |
| 1046 | */ |
| 1047 | #ifndef CONFIG_P2P |
| 1048 | dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) { |
| 1049 | if (os_memcmp(bssid, bss->bssid, ETH_ALEN) != 0) |
| 1050 | continue; |
| 1051 | |
| 1052 | os_free(ssid->ssid); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 1053 | ssid->ssid = os_memdup(bss->ssid, bss->ssid_len); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1054 | if (ssid->ssid == NULL) |
| 1055 | break; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1056 | ssid->ssid_len = bss->ssid_len; |
| 1057 | wpa_hexdump_ascii(MSG_DEBUG, "WPS: Picked SSID from " |
| 1058 | "scan results", |
| 1059 | ssid->ssid, ssid->ssid_len); |
| 1060 | count++; |
| 1061 | } |
| 1062 | |
| 1063 | if (count > 1) { |
| 1064 | wpa_printf(MSG_DEBUG, "WPS: More than one SSID found " |
| 1065 | "for the AP; use wildcard"); |
| 1066 | os_free(ssid->ssid); |
| 1067 | ssid->ssid = NULL; |
| 1068 | ssid->ssid_len = 0; |
| 1069 | } |
| 1070 | #endif /* CONFIG_P2P */ |
| 1071 | } |
| 1072 | |
| 1073 | return ssid; |
| 1074 | } |
| 1075 | |
| 1076 | |
Dmitry Shmidt | 44c9578 | 2013-05-17 09:51:35 -0700 | [diff] [blame] | 1077 | static void wpas_wps_temp_disable(struct wpa_supplicant *wpa_s, |
| 1078 | struct wpa_ssid *selected) |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1079 | { |
| 1080 | struct wpa_ssid *ssid; |
| 1081 | |
Dmitry Shmidt | 203eadb | 2015-03-05 14:16:04 -0800 | [diff] [blame] | 1082 | if (wpa_s->current_ssid) { |
| 1083 | wpa_s->own_disconnect_req = 1; |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 1084 | wpa_supplicant_deauthenticate( |
| 1085 | wpa_s, WLAN_REASON_DEAUTH_LEAVING); |
Dmitry Shmidt | 203eadb | 2015-03-05 14:16:04 -0800 | [diff] [blame] | 1086 | } |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 1087 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1088 | /* Mark all other networks disabled and trigger reassociation */ |
| 1089 | ssid = wpa_s->conf->ssid; |
| 1090 | while (ssid) { |
| 1091 | int was_disabled = ssid->disabled; |
Dmitry Shmidt | d5e4923 | 2012-12-03 15:08:10 -0800 | [diff] [blame] | 1092 | ssid->disabled_for_connect = 0; |
Jouni Malinen | 75ecf52 | 2011-06-27 15:19:46 -0700 | [diff] [blame] | 1093 | /* |
| 1094 | * In case the network object corresponds to a persistent group |
| 1095 | * then do not send out network disabled signal. In addition, |
| 1096 | * do not change disabled status of persistent network objects |
| 1097 | * from 2 to 1 should we connect to another network. |
| 1098 | */ |
| 1099 | if (was_disabled != 2) { |
| 1100 | ssid->disabled = ssid != selected; |
Dmitry Shmidt | d5e4923 | 2012-12-03 15:08:10 -0800 | [diff] [blame] | 1101 | if (was_disabled != ssid->disabled) { |
| 1102 | if (ssid->disabled) |
| 1103 | ssid->disabled_for_connect = 1; |
Jouni Malinen | 75ecf52 | 2011-06-27 15:19:46 -0700 | [diff] [blame] | 1104 | wpas_notify_network_enabled_changed(wpa_s, |
| 1105 | ssid); |
Dmitry Shmidt | d5e4923 | 2012-12-03 15:08:10 -0800 | [diff] [blame] | 1106 | } |
Jouni Malinen | 75ecf52 | 2011-06-27 15:19:46 -0700 | [diff] [blame] | 1107 | } |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1108 | ssid = ssid->next; |
| 1109 | } |
Dmitry Shmidt | 44c9578 | 2013-05-17 09:51:35 -0700 | [diff] [blame] | 1110 | } |
| 1111 | |
| 1112 | |
| 1113 | static void wpas_wps_reassoc(struct wpa_supplicant *wpa_s, |
Dmitry Shmidt | cf32e60 | 2014-01-28 10:57:39 -0800 | [diff] [blame] | 1114 | struct wpa_ssid *selected, const u8 *bssid, |
| 1115 | int freq) |
Dmitry Shmidt | 44c9578 | 2013-05-17 09:51:35 -0700 | [diff] [blame] | 1116 | { |
| 1117 | struct wpa_bss *bss; |
| 1118 | |
Dmitry Shmidt | 661b4f7 | 2014-09-29 14:58:27 -0700 | [diff] [blame] | 1119 | wpa_s->wps_run++; |
| 1120 | if (wpa_s->wps_run == 0) |
| 1121 | wpa_s->wps_run++; |
Dmitry Shmidt | 44c9578 | 2013-05-17 09:51:35 -0700 | [diff] [blame] | 1122 | wpa_s->after_wps = 0; |
| 1123 | wpa_s->known_wps_freq = 0; |
Dmitry Shmidt | cf32e60 | 2014-01-28 10:57:39 -0800 | [diff] [blame] | 1124 | if (freq) { |
| 1125 | wpa_s->after_wps = 5; |
| 1126 | wpa_s->wps_freq = freq; |
| 1127 | } else if (bssid) { |
Dmitry Shmidt | 44c9578 | 2013-05-17 09:51:35 -0700 | [diff] [blame] | 1128 | bss = wpa_bss_get_bssid_latest(wpa_s, bssid); |
| 1129 | if (bss && bss->freq > 0) { |
| 1130 | wpa_s->known_wps_freq = 1; |
| 1131 | wpa_s->wps_freq = bss->freq; |
| 1132 | } |
| 1133 | } |
| 1134 | |
| 1135 | wpas_wps_temp_disable(wpa_s, selected); |
| 1136 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1137 | wpa_s->disconnected = 0; |
| 1138 | wpa_s->reassociate = 1; |
| 1139 | wpa_s->scan_runs = 0; |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 1140 | wpa_s->normal_scans = 0; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1141 | wpa_s->wps_success = 0; |
Hai Shalom | 6084025 | 2021-02-19 19:02:11 -0800 | [diff] [blame^] | 1142 | wpa_s->bssid_ignore_cleared = false; |
Dmitry Shmidt | fa3fc4a | 2013-11-21 13:34:38 -0800 | [diff] [blame] | 1143 | |
| 1144 | wpa_supplicant_cancel_sched_scan(wpa_s); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1145 | wpa_supplicant_req_scan(wpa_s, 0, 0); |
| 1146 | } |
| 1147 | |
| 1148 | |
| 1149 | int wpas_wps_start_pbc(struct wpa_supplicant *wpa_s, const u8 *bssid, |
Hai Shalom | 021b0b5 | 2019-04-10 11:17:58 -0700 | [diff] [blame] | 1150 | int p2p_group, int multi_ap_backhaul_sta) |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1151 | { |
| 1152 | struct wpa_ssid *ssid; |
Hai Shalom | 021b0b5 | 2019-04-10 11:17:58 -0700 | [diff] [blame] | 1153 | char phase1[32]; |
Dmitry Shmidt | 6c0da2b | 2015-01-05 13:08:17 -0800 | [diff] [blame] | 1154 | |
| 1155 | #ifdef CONFIG_AP |
| 1156 | if (wpa_s->ap_iface) { |
| 1157 | wpa_printf(MSG_DEBUG, |
| 1158 | "WPS: Reject request to start Registrar(as station) operation while AP mode is enabled"); |
| 1159 | return -1; |
| 1160 | } |
| 1161 | #endif /* CONFIG_AP */ |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1162 | wpas_clear_wps(wpa_s); |
Dmitry Shmidt | cf32e60 | 2014-01-28 10:57:39 -0800 | [diff] [blame] | 1163 | ssid = wpas_wps_add_network(wpa_s, 0, NULL, bssid); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1164 | if (ssid == NULL) |
| 1165 | return -1; |
| 1166 | ssid->temporary = 1; |
| 1167 | ssid->p2p_group = p2p_group; |
Dmitry Shmidt | 849734c | 2016-05-27 09:59:01 -0700 | [diff] [blame] | 1168 | /* |
| 1169 | * When starting a regular WPS process (not P2P group formation) |
| 1170 | * the registrar/final station can be either AP or PCP |
| 1171 | * so use a "don't care" value for the pbss flag. |
| 1172 | */ |
| 1173 | if (!p2p_group) |
| 1174 | ssid->pbss = 2; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1175 | #ifdef CONFIG_P2P |
| 1176 | if (p2p_group && wpa_s->go_params && wpa_s->go_params->ssid_len) { |
| 1177 | ssid->ssid = os_zalloc(wpa_s->go_params->ssid_len + 1); |
| 1178 | if (ssid->ssid) { |
| 1179 | ssid->ssid_len = wpa_s->go_params->ssid_len; |
| 1180 | os_memcpy(ssid->ssid, wpa_s->go_params->ssid, |
| 1181 | ssid->ssid_len); |
Dmitry Shmidt | 57c2d39 | 2016-02-23 13:40:19 -0800 | [diff] [blame] | 1182 | if (wpa_s->go_params->freq > 56160) { |
| 1183 | /* P2P in 60 GHz uses PBSS */ |
| 1184 | ssid->pbss = 1; |
| 1185 | } |
Ahmed ElArabawy | 0ff61c5 | 2019-12-26 12:38:39 -0800 | [diff] [blame] | 1186 | if (wpa_s->go_params->edmg && |
| 1187 | wpas_p2p_try_edmg_channel(wpa_s, |
| 1188 | wpa_s->go_params) == 0) |
| 1189 | ssid->enable_edmg = 1; |
| 1190 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1191 | wpa_hexdump_ascii(MSG_DEBUG, "WPS: Use specific AP " |
| 1192 | "SSID", ssid->ssid, ssid->ssid_len); |
| 1193 | } |
| 1194 | } |
| 1195 | #endif /* CONFIG_P2P */ |
Hai Shalom | 021b0b5 | 2019-04-10 11:17:58 -0700 | [diff] [blame] | 1196 | os_snprintf(phase1, sizeof(phase1), "pbc=1%s", |
| 1197 | multi_ap_backhaul_sta ? " multi_ap=1" : ""); |
| 1198 | if (wpa_config_set_quoted(ssid, "phase1", phase1) < 0) |
Dmitry Shmidt | a54fa5f | 2013-01-15 13:53:35 -0800 | [diff] [blame] | 1199 | return -1; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1200 | if (wpa_s->wps_fragment_size) |
| 1201 | ssid->eap.fragment_size = wpa_s->wps_fragment_size; |
Hai Shalom | 021b0b5 | 2019-04-10 11:17:58 -0700 | [diff] [blame] | 1202 | if (multi_ap_backhaul_sta) |
| 1203 | ssid->multi_ap_backhaul_sta = 1; |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 1204 | wpa_supplicant_wps_event(wpa_s, WPS_EV_PBC_ACTIVE, NULL); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1205 | eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout, |
| 1206 | wpa_s, NULL); |
Dmitry Shmidt | cf32e60 | 2014-01-28 10:57:39 -0800 | [diff] [blame] | 1207 | wpas_wps_reassoc(wpa_s, ssid, bssid, 0); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1208 | return 0; |
| 1209 | } |
| 1210 | |
| 1211 | |
Dmitry Shmidt | cf32e60 | 2014-01-28 10:57:39 -0800 | [diff] [blame] | 1212 | static int wpas_wps_start_dev_pw(struct wpa_supplicant *wpa_s, |
| 1213 | const u8 *dev_addr, const u8 *bssid, |
| 1214 | const char *pin, int p2p_group, u16 dev_pw_id, |
| 1215 | const u8 *peer_pubkey_hash, |
| 1216 | const u8 *ssid_val, size_t ssid_len, int freq) |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1217 | { |
| 1218 | struct wpa_ssid *ssid; |
Dmitry Shmidt | cf32e60 | 2014-01-28 10:57:39 -0800 | [diff] [blame] | 1219 | char val[128 + 2 * WPS_OOB_PUBKEY_HASH_LEN]; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1220 | unsigned int rpin = 0; |
Dmitry Shmidt | cf32e60 | 2014-01-28 10:57:39 -0800 | [diff] [blame] | 1221 | char hash[2 * WPS_OOB_PUBKEY_HASH_LEN + 10]; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1222 | |
Dmitry Shmidt | 6c0da2b | 2015-01-05 13:08:17 -0800 | [diff] [blame] | 1223 | #ifdef CONFIG_AP |
| 1224 | if (wpa_s->ap_iface) { |
| 1225 | wpa_printf(MSG_DEBUG, |
| 1226 | "WPS: Reject request to start Registrar(as station) operation while AP mode is enabled"); |
| 1227 | return -1; |
| 1228 | } |
| 1229 | #endif /* CONFIG_AP */ |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1230 | wpas_clear_wps(wpa_s); |
Dmitry Shmidt | cf32e60 | 2014-01-28 10:57:39 -0800 | [diff] [blame] | 1231 | if (bssid && is_zero_ether_addr(bssid)) |
| 1232 | bssid = NULL; |
| 1233 | ssid = wpas_wps_add_network(wpa_s, 0, dev_addr, bssid); |
| 1234 | if (ssid == NULL) { |
| 1235 | wpa_printf(MSG_DEBUG, "WPS: Could not add network"); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1236 | return -1; |
Dmitry Shmidt | cf32e60 | 2014-01-28 10:57:39 -0800 | [diff] [blame] | 1237 | } |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1238 | ssid->temporary = 1; |
| 1239 | ssid->p2p_group = p2p_group; |
Dmitry Shmidt | 849734c | 2016-05-27 09:59:01 -0700 | [diff] [blame] | 1240 | /* |
| 1241 | * When starting a regular WPS process (not P2P group formation) |
| 1242 | * the registrar/final station can be either AP or PCP |
| 1243 | * so use a "don't care" value for the pbss flag. |
| 1244 | */ |
| 1245 | if (!p2p_group) |
| 1246 | ssid->pbss = 2; |
Dmitry Shmidt | cf32e60 | 2014-01-28 10:57:39 -0800 | [diff] [blame] | 1247 | if (ssid_val) { |
| 1248 | ssid->ssid = os_malloc(ssid_len); |
| 1249 | if (ssid->ssid) { |
| 1250 | os_memcpy(ssid->ssid, ssid_val, ssid_len); |
| 1251 | ssid->ssid_len = ssid_len; |
| 1252 | } |
| 1253 | } |
| 1254 | if (peer_pubkey_hash) { |
| 1255 | os_memcpy(hash, " pkhash=", 8); |
| 1256 | wpa_snprintf_hex_uppercase(hash + 8, sizeof(hash) - 8, |
| 1257 | peer_pubkey_hash, |
| 1258 | WPS_OOB_PUBKEY_HASH_LEN); |
| 1259 | } else { |
| 1260 | hash[0] = '\0'; |
| 1261 | } |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1262 | #ifdef CONFIG_P2P |
| 1263 | if (p2p_group && wpa_s->go_params && wpa_s->go_params->ssid_len) { |
Dmitry Shmidt | b1e5210 | 2015-05-29 12:36:29 -0700 | [diff] [blame] | 1264 | os_free(ssid->ssid); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1265 | ssid->ssid = os_zalloc(wpa_s->go_params->ssid_len + 1); |
| 1266 | if (ssid->ssid) { |
| 1267 | ssid->ssid_len = wpa_s->go_params->ssid_len; |
| 1268 | os_memcpy(ssid->ssid, wpa_s->go_params->ssid, |
| 1269 | ssid->ssid_len); |
Dmitry Shmidt | 57c2d39 | 2016-02-23 13:40:19 -0800 | [diff] [blame] | 1270 | if (wpa_s->go_params->freq > 56160) { |
| 1271 | /* P2P in 60 GHz uses PBSS */ |
| 1272 | ssid->pbss = 1; |
| 1273 | } |
Ahmed ElArabawy | 0ff61c5 | 2019-12-26 12:38:39 -0800 | [diff] [blame] | 1274 | if (wpa_s->go_params->edmg && |
| 1275 | wpas_p2p_try_edmg_channel(wpa_s, |
| 1276 | wpa_s->go_params) == 0) |
| 1277 | ssid->enable_edmg = 1; |
| 1278 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1279 | wpa_hexdump_ascii(MSG_DEBUG, "WPS: Use specific AP " |
| 1280 | "SSID", ssid->ssid, ssid->ssid_len); |
| 1281 | } |
| 1282 | } |
| 1283 | #endif /* CONFIG_P2P */ |
| 1284 | if (pin) |
Dmitry Shmidt | cf32e60 | 2014-01-28 10:57:39 -0800 | [diff] [blame] | 1285 | os_snprintf(val, sizeof(val), "\"pin=%s dev_pw_id=%u%s\"", |
| 1286 | pin, dev_pw_id, hash); |
| 1287 | else if (pin == NULL && dev_pw_id == DEV_PW_NFC_CONNECTION_HANDOVER) { |
| 1288 | os_snprintf(val, sizeof(val), "\"dev_pw_id=%u%s\"", |
| 1289 | dev_pw_id, hash); |
| 1290 | } else { |
Dmitry Shmidt | 57c2d39 | 2016-02-23 13:40:19 -0800 | [diff] [blame] | 1291 | if (wps_generate_pin(&rpin) < 0) { |
| 1292 | wpa_printf(MSG_DEBUG, "WPS: Could not generate PIN"); |
| 1293 | return -1; |
| 1294 | } |
Dmitry Shmidt | cf32e60 | 2014-01-28 10:57:39 -0800 | [diff] [blame] | 1295 | os_snprintf(val, sizeof(val), "\"pin=%08d dev_pw_id=%u%s\"", |
| 1296 | rpin, dev_pw_id, hash); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1297 | } |
Dmitry Shmidt | cf32e60 | 2014-01-28 10:57:39 -0800 | [diff] [blame] | 1298 | if (wpa_config_set(ssid, "phase1", val, 0) < 0) { |
| 1299 | wpa_printf(MSG_DEBUG, "WPS: Failed to set phase1 '%s'", val); |
Dmitry Shmidt | a54fa5f | 2013-01-15 13:53:35 -0800 | [diff] [blame] | 1300 | return -1; |
Dmitry Shmidt | cf32e60 | 2014-01-28 10:57:39 -0800 | [diff] [blame] | 1301 | } |
Ahmed ElArabawy | 0ff61c5 | 2019-12-26 12:38:39 -0800 | [diff] [blame] | 1302 | |
| 1303 | if (dev_pw_id != DEV_PW_NFC_CONNECTION_HANDOVER) |
| 1304 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_PIN_ACTIVE); |
| 1305 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1306 | if (wpa_s->wps_fragment_size) |
| 1307 | ssid->eap.fragment_size = wpa_s->wps_fragment_size; |
| 1308 | eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout, |
| 1309 | wpa_s, NULL); |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 1310 | wpa_s->wps_ap_iter = 1; |
Dmitry Shmidt | cf32e60 | 2014-01-28 10:57:39 -0800 | [diff] [blame] | 1311 | wpas_wps_reassoc(wpa_s, ssid, bssid, freq); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1312 | return rpin; |
| 1313 | } |
| 1314 | |
| 1315 | |
Dmitry Shmidt | cf32e60 | 2014-01-28 10:57:39 -0800 | [diff] [blame] | 1316 | int wpas_wps_start_pin(struct wpa_supplicant *wpa_s, const u8 *bssid, |
| 1317 | const char *pin, int p2p_group, u16 dev_pw_id) |
| 1318 | { |
Dmitry Shmidt | 1d755d0 | 2015-04-28 10:34:29 -0700 | [diff] [blame] | 1319 | os_get_reltime(&wpa_s->wps_pin_start_time); |
Dmitry Shmidt | cf32e60 | 2014-01-28 10:57:39 -0800 | [diff] [blame] | 1320 | return wpas_wps_start_dev_pw(wpa_s, NULL, bssid, pin, p2p_group, |
| 1321 | dev_pw_id, NULL, NULL, 0, 0); |
| 1322 | } |
| 1323 | |
| 1324 | |
Dmitry Shmidt | d80a401 | 2015-11-05 16:35:40 -0800 | [diff] [blame] | 1325 | void wpas_wps_pbc_overlap(struct wpa_supplicant *wpa_s) |
| 1326 | { |
| 1327 | union wps_event_data data; |
| 1328 | |
| 1329 | os_memset(&data, 0, sizeof(data)); |
| 1330 | data.fail.config_error = WPS_CFG_MULTIPLE_PBC_DETECTED; |
| 1331 | data.fail.error_indication = WPS_EI_NO_ERROR; |
| 1332 | /* |
| 1333 | * Call wpas_notify_wps_event_fail() directly instead of through |
| 1334 | * wpa_supplicant_wps_event() which would end up registering unnecessary |
| 1335 | * timeouts (those are only for the case where the failure happens |
| 1336 | * during an EAP-WSC exchange). |
| 1337 | */ |
| 1338 | wpas_notify_wps_event_fail(wpa_s, &data.fail); |
| 1339 | } |
| 1340 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1341 | /* Cancel the wps pbc/pin requests */ |
| 1342 | int wpas_wps_cancel(struct wpa_supplicant *wpa_s) |
| 1343 | { |
| 1344 | #ifdef CONFIG_AP |
| 1345 | if (wpa_s->ap_iface) { |
| 1346 | wpa_printf(MSG_DEBUG, "WPS: Cancelling in AP mode"); |
| 1347 | return wpa_supplicant_ap_wps_cancel(wpa_s); |
| 1348 | } |
| 1349 | #endif /* CONFIG_AP */ |
| 1350 | |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 1351 | if (wpa_s->wpa_state == WPA_SCANNING || |
| 1352 | wpa_s->wpa_state == WPA_DISCONNECTED) { |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1353 | wpa_printf(MSG_DEBUG, "WPS: Cancel operation - cancel scan"); |
| 1354 | wpa_supplicant_cancel_scan(wpa_s); |
| 1355 | wpas_clear_wps(wpa_s); |
| 1356 | } else if (wpa_s->wpa_state >= WPA_ASSOCIATED) { |
| 1357 | wpa_printf(MSG_DEBUG, "WPS: Cancel operation - " |
| 1358 | "deauthenticate"); |
Dmitry Shmidt | 203eadb | 2015-03-05 14:16:04 -0800 | [diff] [blame] | 1359 | wpa_s->own_disconnect_req = 1; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1360 | wpa_supplicant_deauthenticate(wpa_s, |
| 1361 | WLAN_REASON_DEAUTH_LEAVING); |
| 1362 | wpas_clear_wps(wpa_s); |
Dmitry Shmidt | d5e4923 | 2012-12-03 15:08:10 -0800 | [diff] [blame] | 1363 | } else { |
| 1364 | wpas_wps_reenable_networks(wpa_s); |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 1365 | wpas_wps_clear_ap_info(wpa_s); |
Dmitry Shmidt | fb79edc | 2014-01-10 10:45:54 -0800 | [diff] [blame] | 1366 | if (eloop_cancel_timeout(wpas_wps_clear_timeout, wpa_s, NULL) > |
| 1367 | 0) |
| 1368 | wpas_clear_wps(wpa_s); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1369 | } |
| 1370 | |
Ahmed ElArabawy | 0ff61c5 | 2019-12-26 12:38:39 -0800 | [diff] [blame] | 1371 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_CANCEL); |
Dmitry Shmidt | 051af73 | 2013-10-22 13:52:46 -0700 | [diff] [blame] | 1372 | wpa_s->after_wps = 0; |
| 1373 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1374 | return 0; |
| 1375 | } |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1376 | |
| 1377 | |
| 1378 | int wpas_wps_start_reg(struct wpa_supplicant *wpa_s, const u8 *bssid, |
| 1379 | const char *pin, struct wps_new_ap_settings *settings) |
| 1380 | { |
| 1381 | struct wpa_ssid *ssid; |
| 1382 | char val[200]; |
| 1383 | char *pos, *end; |
| 1384 | int res; |
| 1385 | |
Dmitry Shmidt | 6c0da2b | 2015-01-05 13:08:17 -0800 | [diff] [blame] | 1386 | #ifdef CONFIG_AP |
| 1387 | if (wpa_s->ap_iface) { |
| 1388 | wpa_printf(MSG_DEBUG, |
| 1389 | "WPS: Reject request to start Registrar(as station) operation while AP mode is enabled"); |
| 1390 | return -1; |
| 1391 | } |
| 1392 | #endif /* CONFIG_AP */ |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1393 | if (!pin) |
| 1394 | return -1; |
| 1395 | wpas_clear_wps(wpa_s); |
Dmitry Shmidt | cf32e60 | 2014-01-28 10:57:39 -0800 | [diff] [blame] | 1396 | ssid = wpas_wps_add_network(wpa_s, 1, NULL, bssid); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1397 | if (ssid == NULL) |
| 1398 | return -1; |
| 1399 | ssid->temporary = 1; |
| 1400 | pos = val; |
| 1401 | end = pos + sizeof(val); |
| 1402 | res = os_snprintf(pos, end - pos, "\"pin=%s", pin); |
Dmitry Shmidt | 6c0da2b | 2015-01-05 13:08:17 -0800 | [diff] [blame] | 1403 | if (os_snprintf_error(end - pos, res)) |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1404 | return -1; |
| 1405 | pos += res; |
| 1406 | if (settings) { |
| 1407 | res = os_snprintf(pos, end - pos, " new_ssid=%s new_auth=%s " |
| 1408 | "new_encr=%s new_key=%s", |
| 1409 | settings->ssid_hex, settings->auth, |
| 1410 | settings->encr, settings->key_hex); |
Dmitry Shmidt | 6c0da2b | 2015-01-05 13:08:17 -0800 | [diff] [blame] | 1411 | if (os_snprintf_error(end - pos, res)) |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1412 | return -1; |
| 1413 | pos += res; |
| 1414 | } |
| 1415 | res = os_snprintf(pos, end - pos, "\""); |
Dmitry Shmidt | 6c0da2b | 2015-01-05 13:08:17 -0800 | [diff] [blame] | 1416 | if (os_snprintf_error(end - pos, res)) |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1417 | return -1; |
Dmitry Shmidt | a54fa5f | 2013-01-15 13:53:35 -0800 | [diff] [blame] | 1418 | if (wpa_config_set(ssid, "phase1", val, 0) < 0) |
| 1419 | return -1; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1420 | if (wpa_s->wps_fragment_size) |
| 1421 | ssid->eap.fragment_size = wpa_s->wps_fragment_size; |
| 1422 | eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout, |
| 1423 | wpa_s, NULL); |
Dmitry Shmidt | cf32e60 | 2014-01-28 10:57:39 -0800 | [diff] [blame] | 1424 | wpas_wps_reassoc(wpa_s, ssid, bssid, 0); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1425 | return 0; |
| 1426 | } |
| 1427 | |
| 1428 | |
Dmitry Shmidt | 391c59f | 2013-09-03 12:16:28 -0700 | [diff] [blame] | 1429 | static int wpas_wps_new_psk_cb(void *ctx, const u8 *mac_addr, |
| 1430 | const u8 *p2p_dev_addr, const u8 *psk, |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1431 | size_t psk_len) |
| 1432 | { |
Dmitry Shmidt | 391c59f | 2013-09-03 12:16:28 -0700 | [diff] [blame] | 1433 | if (is_zero_ether_addr(p2p_dev_addr)) { |
| 1434 | wpa_printf(MSG_DEBUG, |
| 1435 | "Received new WPA/WPA2-PSK from WPS for STA " MACSTR, |
| 1436 | MAC2STR(mac_addr)); |
| 1437 | } else { |
| 1438 | wpa_printf(MSG_DEBUG, |
| 1439 | "Received new WPA/WPA2-PSK from WPS for STA " MACSTR |
| 1440 | " P2P Device Addr " MACSTR, |
| 1441 | MAC2STR(mac_addr), MAC2STR(p2p_dev_addr)); |
| 1442 | } |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1443 | wpa_hexdump_key(MSG_DEBUG, "Per-device PSK", psk, psk_len); |
| 1444 | |
| 1445 | /* TODO */ |
| 1446 | |
| 1447 | return 0; |
| 1448 | } |
| 1449 | |
| 1450 | |
| 1451 | static void wpas_wps_pin_needed_cb(void *ctx, const u8 *uuid_e, |
| 1452 | const struct wps_device_data *dev) |
| 1453 | { |
| 1454 | char uuid[40], txt[400]; |
| 1455 | int len; |
| 1456 | char devtype[WPS_DEV_TYPE_BUFSIZE]; |
| 1457 | if (uuid_bin2str(uuid_e, uuid, sizeof(uuid))) |
| 1458 | return; |
| 1459 | wpa_printf(MSG_DEBUG, "WPS: PIN needed for UUID-E %s", uuid); |
| 1460 | len = os_snprintf(txt, sizeof(txt), "WPS-EVENT-PIN-NEEDED %s " MACSTR |
| 1461 | " [%s|%s|%s|%s|%s|%s]", |
| 1462 | uuid, MAC2STR(dev->mac_addr), dev->device_name, |
| 1463 | dev->manufacturer, dev->model_name, |
| 1464 | dev->model_number, dev->serial_number, |
| 1465 | wps_dev_type_bin2str(dev->pri_dev_type, devtype, |
| 1466 | sizeof(devtype))); |
Dmitry Shmidt | 6c0da2b | 2015-01-05 13:08:17 -0800 | [diff] [blame] | 1467 | if (!os_snprintf_error(sizeof(txt), len)) |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1468 | wpa_printf(MSG_INFO, "%s", txt); |
| 1469 | } |
| 1470 | |
| 1471 | |
| 1472 | static void wpas_wps_set_sel_reg_cb(void *ctx, int sel_reg, u16 dev_passwd_id, |
| 1473 | u16 sel_reg_config_methods) |
| 1474 | { |
| 1475 | #ifdef CONFIG_WPS_ER |
| 1476 | struct wpa_supplicant *wpa_s = ctx; |
| 1477 | |
| 1478 | if (wpa_s->wps_er == NULL) |
| 1479 | return; |
| 1480 | wpa_printf(MSG_DEBUG, "WPS ER: SetSelectedRegistrar - sel_reg=%d " |
| 1481 | "dev_password_id=%u sel_reg_config_methods=0x%x", |
| 1482 | sel_reg, dev_passwd_id, sel_reg_config_methods); |
| 1483 | wps_er_set_sel_reg(wpa_s->wps_er, sel_reg, dev_passwd_id, |
| 1484 | sel_reg_config_methods); |
| 1485 | #endif /* CONFIG_WPS_ER */ |
| 1486 | } |
| 1487 | |
| 1488 | |
| 1489 | static u16 wps_fix_config_methods(u16 config_methods) |
| 1490 | { |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1491 | if ((config_methods & |
| 1492 | (WPS_CONFIG_DISPLAY | WPS_CONFIG_VIRT_DISPLAY | |
| 1493 | WPS_CONFIG_PHY_DISPLAY)) == WPS_CONFIG_DISPLAY) { |
| 1494 | wpa_printf(MSG_INFO, "WPS: Converting display to " |
| 1495 | "virtual_display for WPS 2.0 compliance"); |
| 1496 | config_methods |= WPS_CONFIG_VIRT_DISPLAY; |
| 1497 | } |
| 1498 | if ((config_methods & |
| 1499 | (WPS_CONFIG_PUSHBUTTON | WPS_CONFIG_VIRT_PUSHBUTTON | |
| 1500 | WPS_CONFIG_PHY_PUSHBUTTON)) == WPS_CONFIG_PUSHBUTTON) { |
| 1501 | wpa_printf(MSG_INFO, "WPS: Converting push_button to " |
| 1502 | "virtual_push_button for WPS 2.0 compliance"); |
| 1503 | config_methods |= WPS_CONFIG_VIRT_PUSHBUTTON; |
| 1504 | } |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1505 | |
| 1506 | return config_methods; |
| 1507 | } |
| 1508 | |
| 1509 | |
| 1510 | static void wpas_wps_set_uuid(struct wpa_supplicant *wpa_s, |
| 1511 | struct wps_context *wps) |
| 1512 | { |
Dmitry Shmidt | fb79edc | 2014-01-10 10:45:54 -0800 | [diff] [blame] | 1513 | char buf[50]; |
| 1514 | const char *src; |
| 1515 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1516 | if (is_nil_uuid(wpa_s->conf->uuid)) { |
| 1517 | struct wpa_supplicant *first; |
| 1518 | first = wpa_s->global->ifaces; |
| 1519 | while (first && first->next) |
| 1520 | first = first->next; |
| 1521 | if (first && first != wpa_s) { |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 1522 | if (wps != wpa_s->global->ifaces->wps) |
| 1523 | os_memcpy(wps->uuid, |
| 1524 | wpa_s->global->ifaces->wps->uuid, |
| 1525 | WPS_UUID_LEN); |
Dmitry Shmidt | fb79edc | 2014-01-10 10:45:54 -0800 | [diff] [blame] | 1526 | src = "from the first interface"; |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 1527 | } else if (wpa_s->conf->auto_uuid == 1) { |
| 1528 | uuid_random(wps->uuid); |
| 1529 | src = "based on random data"; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1530 | } else { |
| 1531 | uuid_gen_mac_addr(wpa_s->own_addr, wps->uuid); |
Dmitry Shmidt | fb79edc | 2014-01-10 10:45:54 -0800 | [diff] [blame] | 1532 | src = "based on MAC address"; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1533 | } |
| 1534 | } else { |
| 1535 | os_memcpy(wps->uuid, wpa_s->conf->uuid, WPS_UUID_LEN); |
Dmitry Shmidt | fb79edc | 2014-01-10 10:45:54 -0800 | [diff] [blame] | 1536 | src = "based on configuration"; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1537 | } |
Dmitry Shmidt | fb79edc | 2014-01-10 10:45:54 -0800 | [diff] [blame] | 1538 | |
| 1539 | uuid_bin2str(wps->uuid, buf, sizeof(buf)); |
| 1540 | wpa_dbg(wpa_s, MSG_DEBUG, "WPS: UUID %s: %s", src, buf); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1541 | } |
| 1542 | |
| 1543 | |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 1544 | static void wpas_wps_set_vendor_ext_m1(struct wpa_supplicant *wpa_s, |
| 1545 | struct wps_context *wps) |
| 1546 | { |
| 1547 | wpabuf_free(wps->dev.vendor_ext_m1); |
| 1548 | wps->dev.vendor_ext_m1 = NULL; |
| 1549 | |
| 1550 | if (wpa_s->conf->wps_vendor_ext_m1) { |
| 1551 | wps->dev.vendor_ext_m1 = |
| 1552 | wpabuf_dup(wpa_s->conf->wps_vendor_ext_m1); |
| 1553 | if (!wps->dev.vendor_ext_m1) { |
| 1554 | wpa_printf(MSG_ERROR, "WPS: Cannot " |
| 1555 | "allocate memory for vendor_ext_m1"); |
| 1556 | } |
| 1557 | } |
| 1558 | } |
| 1559 | |
| 1560 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1561 | int wpas_wps_init(struct wpa_supplicant *wpa_s) |
| 1562 | { |
| 1563 | struct wps_context *wps; |
| 1564 | struct wps_registrar_config rcfg; |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 1565 | struct hostapd_hw_modes *modes; |
| 1566 | u16 m; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1567 | |
| 1568 | wps = os_zalloc(sizeof(*wps)); |
| 1569 | if (wps == NULL) |
| 1570 | return -1; |
| 1571 | |
| 1572 | wps->cred_cb = wpa_supplicant_wps_cred; |
| 1573 | wps->event_cb = wpa_supplicant_wps_event; |
Dmitry Shmidt | b7b4d0e | 2013-08-26 12:09:05 -0700 | [diff] [blame] | 1574 | wps->rf_band_cb = wpa_supplicant_wps_rf_band; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1575 | wps->cb_ctx = wpa_s; |
| 1576 | |
| 1577 | wps->dev.device_name = wpa_s->conf->device_name; |
| 1578 | wps->dev.manufacturer = wpa_s->conf->manufacturer; |
| 1579 | wps->dev.model_name = wpa_s->conf->model_name; |
| 1580 | wps->dev.model_number = wpa_s->conf->model_number; |
| 1581 | wps->dev.serial_number = wpa_s->conf->serial_number; |
| 1582 | wps->config_methods = |
| 1583 | wps_config_methods_str2bin(wpa_s->conf->config_methods); |
| 1584 | if ((wps->config_methods & (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) == |
| 1585 | (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) { |
| 1586 | wpa_printf(MSG_ERROR, "WPS: Both Label and Display config " |
| 1587 | "methods are not allowed at the same time"); |
| 1588 | os_free(wps); |
| 1589 | return -1; |
| 1590 | } |
| 1591 | wps->config_methods = wps_fix_config_methods(wps->config_methods); |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 1592 | wps->dev.config_methods = wps->config_methods; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1593 | os_memcpy(wps->dev.pri_dev_type, wpa_s->conf->device_type, |
| 1594 | WPS_DEV_TYPE_LEN); |
| 1595 | |
| 1596 | wps->dev.num_sec_dev_types = wpa_s->conf->num_sec_device_types; |
| 1597 | os_memcpy(wps->dev.sec_dev_type, wpa_s->conf->sec_device_type, |
| 1598 | WPS_DEV_TYPE_LEN * wps->dev.num_sec_dev_types); |
| 1599 | |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 1600 | wpas_wps_set_vendor_ext_m1(wpa_s, wps); |
| 1601 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1602 | wps->dev.os_version = WPA_GET_BE32(wpa_s->conf->os_version); |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 1603 | modes = wpa_s->hw.modes; |
| 1604 | if (modes) { |
| 1605 | for (m = 0; m < wpa_s->hw.num_modes; m++) { |
| 1606 | if (modes[m].mode == HOSTAPD_MODE_IEEE80211B || |
| 1607 | modes[m].mode == HOSTAPD_MODE_IEEE80211G) |
| 1608 | wps->dev.rf_bands |= WPS_RF_24GHZ; |
| 1609 | else if (modes[m].mode == HOSTAPD_MODE_IEEE80211A) |
| 1610 | wps->dev.rf_bands |= WPS_RF_50GHZ; |
Dmitry Shmidt | 1d755d0 | 2015-04-28 10:34:29 -0700 | [diff] [blame] | 1611 | else if (modes[m].mode == HOSTAPD_MODE_IEEE80211AD) |
| 1612 | wps->dev.rf_bands |= WPS_RF_60GHZ; |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 1613 | } |
| 1614 | } |
| 1615 | if (wps->dev.rf_bands == 0) { |
| 1616 | /* |
| 1617 | * Default to claiming support for both bands if the driver |
| 1618 | * does not provide support for fetching supported bands. |
| 1619 | */ |
| 1620 | wps->dev.rf_bands = WPS_RF_24GHZ | WPS_RF_50GHZ; |
| 1621 | } |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1622 | os_memcpy(wps->dev.mac_addr, wpa_s->own_addr, ETH_ALEN); |
| 1623 | wpas_wps_set_uuid(wpa_s, wps); |
| 1624 | |
Hai Shalom | b755a2a | 2020-04-23 21:49:02 -0700 | [diff] [blame] | 1625 | #ifdef CONFIG_NO_TKIP |
| 1626 | wps->auth_types = WPS_AUTH_WPA2PSK; |
| 1627 | wps->encr_types = WPS_ENCR_AES; |
| 1628 | #else /* CONFIG_NO_TKIP */ |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1629 | wps->auth_types = WPS_AUTH_WPA2PSK | WPS_AUTH_WPAPSK; |
| 1630 | wps->encr_types = WPS_ENCR_AES | WPS_ENCR_TKIP; |
Hai Shalom | b755a2a | 2020-04-23 21:49:02 -0700 | [diff] [blame] | 1631 | #endif /* CONFIG_NO_TKIP */ |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1632 | |
| 1633 | os_memset(&rcfg, 0, sizeof(rcfg)); |
| 1634 | rcfg.new_psk_cb = wpas_wps_new_psk_cb; |
| 1635 | rcfg.pin_needed_cb = wpas_wps_pin_needed_cb; |
| 1636 | rcfg.set_sel_reg_cb = wpas_wps_set_sel_reg_cb; |
| 1637 | rcfg.cb_ctx = wpa_s; |
| 1638 | |
| 1639 | wps->registrar = wps_registrar_init(wps, &rcfg); |
| 1640 | if (wps->registrar == NULL) { |
| 1641 | wpa_printf(MSG_DEBUG, "Failed to initialize WPS Registrar"); |
| 1642 | os_free(wps); |
| 1643 | return -1; |
| 1644 | } |
| 1645 | |
| 1646 | wpa_s->wps = wps; |
| 1647 | |
| 1648 | return 0; |
| 1649 | } |
| 1650 | |
| 1651 | |
Dmitry Shmidt | cf32e60 | 2014-01-28 10:57:39 -0800 | [diff] [blame] | 1652 | #ifdef CONFIG_WPS_ER |
| 1653 | static void wpas_wps_nfc_clear(struct wps_context *wps) |
| 1654 | { |
| 1655 | wps->ap_nfc_dev_pw_id = 0; |
| 1656 | wpabuf_free(wps->ap_nfc_dh_pubkey); |
| 1657 | wps->ap_nfc_dh_pubkey = NULL; |
| 1658 | wpabuf_free(wps->ap_nfc_dh_privkey); |
| 1659 | wps->ap_nfc_dh_privkey = NULL; |
| 1660 | wpabuf_free(wps->ap_nfc_dev_pw); |
| 1661 | wps->ap_nfc_dev_pw = NULL; |
| 1662 | } |
| 1663 | #endif /* CONFIG_WPS_ER */ |
| 1664 | |
| 1665 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1666 | void wpas_wps_deinit(struct wpa_supplicant *wpa_s) |
| 1667 | { |
Dmitry Shmidt | 7dba0e5 | 2014-04-14 10:49:15 -0700 | [diff] [blame] | 1668 | wpas_wps_assoc_with_cred_cancel(wpa_s); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1669 | eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL); |
Dmitry Shmidt | b7b4d0e | 2013-08-26 12:09:05 -0700 | [diff] [blame] | 1670 | eloop_cancel_timeout(wpas_wps_clear_timeout, wpa_s, NULL); |
Dmitry Shmidt | d5e4923 | 2012-12-03 15:08:10 -0800 | [diff] [blame] | 1671 | eloop_cancel_timeout(wpas_wps_reenable_networks_cb, wpa_s, NULL); |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 1672 | wpas_wps_clear_ap_info(wpa_s); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1673 | |
Dmitry Shmidt | 684785c | 2014-05-12 13:34:29 -0700 | [diff] [blame] | 1674 | #ifdef CONFIG_P2P |
| 1675 | eloop_cancel_timeout(wpas_p2p_pbc_overlap_cb, wpa_s, NULL); |
| 1676 | #endif /* CONFIG_P2P */ |
| 1677 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1678 | if (wpa_s->wps == NULL) |
| 1679 | return; |
| 1680 | |
| 1681 | #ifdef CONFIG_WPS_ER |
| 1682 | wps_er_deinit(wpa_s->wps_er, NULL, NULL); |
| 1683 | wpa_s->wps_er = NULL; |
Dmitry Shmidt | cf32e60 | 2014-01-28 10:57:39 -0800 | [diff] [blame] | 1684 | wpas_wps_nfc_clear(wpa_s->wps); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1685 | #endif /* CONFIG_WPS_ER */ |
| 1686 | |
| 1687 | wps_registrar_deinit(wpa_s->wps->registrar); |
| 1688 | wpabuf_free(wpa_s->wps->dh_pubkey); |
| 1689 | wpabuf_free(wpa_s->wps->dh_privkey); |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 1690 | wpabuf_free(wpa_s->wps->dev.vendor_ext_m1); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1691 | os_free(wpa_s->wps->network_key); |
| 1692 | os_free(wpa_s->wps); |
| 1693 | wpa_s->wps = NULL; |
| 1694 | } |
| 1695 | |
| 1696 | |
| 1697 | int wpas_wps_ssid_bss_match(struct wpa_supplicant *wpa_s, |
Dmitry Shmidt | 9bce59c | 2012-09-11 15:06:38 -0700 | [diff] [blame] | 1698 | struct wpa_ssid *ssid, struct wpa_bss *bss) |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1699 | { |
| 1700 | struct wpabuf *wps_ie; |
| 1701 | |
| 1702 | if (!(ssid->key_mgmt & WPA_KEY_MGMT_WPS)) |
| 1703 | return -1; |
| 1704 | |
Dmitry Shmidt | 9bce59c | 2012-09-11 15:06:38 -0700 | [diff] [blame] | 1705 | wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1706 | if (eap_is_wps_pbc_enrollee(&ssid->eap)) { |
| 1707 | if (!wps_ie) { |
| 1708 | wpa_printf(MSG_DEBUG, " skip - non-WPS AP"); |
| 1709 | return 0; |
| 1710 | } |
| 1711 | |
| 1712 | if (!wps_is_selected_pbc_registrar(wps_ie)) { |
| 1713 | wpa_printf(MSG_DEBUG, " skip - WPS AP " |
| 1714 | "without active PBC Registrar"); |
| 1715 | wpabuf_free(wps_ie); |
| 1716 | return 0; |
| 1717 | } |
| 1718 | |
| 1719 | /* TODO: overlap detection */ |
| 1720 | wpa_printf(MSG_DEBUG, " selected based on WPS IE " |
| 1721 | "(Active PBC)"); |
| 1722 | wpabuf_free(wps_ie); |
| 1723 | return 1; |
| 1724 | } |
| 1725 | |
| 1726 | if (eap_is_wps_pin_enrollee(&ssid->eap)) { |
| 1727 | if (!wps_ie) { |
| 1728 | wpa_printf(MSG_DEBUG, " skip - non-WPS AP"); |
| 1729 | return 0; |
| 1730 | } |
| 1731 | |
| 1732 | /* |
| 1733 | * Start with WPS APs that advertise our address as an |
| 1734 | * authorized MAC (v2.0) or active PIN Registrar (v1.0) and |
| 1735 | * allow any WPS AP after couple of scans since some APs do not |
| 1736 | * set Selected Registrar attribute properly when using |
| 1737 | * external Registrar. |
| 1738 | */ |
| 1739 | if (!wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 1)) { |
Dmitry Shmidt | 1d755d0 | 2015-04-28 10:34:29 -0700 | [diff] [blame] | 1740 | struct os_reltime age; |
| 1741 | |
| 1742 | os_reltime_age(&wpa_s->wps_pin_start_time, &age); |
| 1743 | |
| 1744 | if (wpa_s->scan_runs < WPS_PIN_SCAN_IGNORE_SEL_REG || |
| 1745 | age.sec < WPS_PIN_TIME_IGNORE_SEL_REG) { |
| 1746 | wpa_printf(MSG_DEBUG, |
| 1747 | " skip - WPS AP without active PIN Registrar (scan_runs=%d age=%d)", |
| 1748 | wpa_s->scan_runs, (int) age.sec); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1749 | wpabuf_free(wps_ie); |
| 1750 | return 0; |
| 1751 | } |
| 1752 | wpa_printf(MSG_DEBUG, " selected based on WPS IE"); |
| 1753 | } else { |
| 1754 | wpa_printf(MSG_DEBUG, " selected based on WPS IE " |
| 1755 | "(Authorized MAC or Active PIN)"); |
| 1756 | } |
| 1757 | wpabuf_free(wps_ie); |
| 1758 | return 1; |
| 1759 | } |
| 1760 | |
| 1761 | if (wps_ie) { |
| 1762 | wpa_printf(MSG_DEBUG, " selected based on WPS IE"); |
| 1763 | wpabuf_free(wps_ie); |
| 1764 | return 1; |
| 1765 | } |
| 1766 | |
| 1767 | return -1; |
| 1768 | } |
| 1769 | |
| 1770 | |
| 1771 | int wpas_wps_ssid_wildcard_ok(struct wpa_supplicant *wpa_s, |
| 1772 | struct wpa_ssid *ssid, |
Dmitry Shmidt | 9bce59c | 2012-09-11 15:06:38 -0700 | [diff] [blame] | 1773 | struct wpa_bss *bss) |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1774 | { |
| 1775 | struct wpabuf *wps_ie = NULL; |
| 1776 | int ret = 0; |
| 1777 | |
| 1778 | if (eap_is_wps_pbc_enrollee(&ssid->eap)) { |
Dmitry Shmidt | 9bce59c | 2012-09-11 15:06:38 -0700 | [diff] [blame] | 1779 | wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1780 | if (wps_ie && wps_is_selected_pbc_registrar(wps_ie)) { |
| 1781 | /* allow wildcard SSID for WPS PBC */ |
| 1782 | ret = 1; |
| 1783 | } |
| 1784 | } else if (eap_is_wps_pin_enrollee(&ssid->eap)) { |
Dmitry Shmidt | 9bce59c | 2012-09-11 15:06:38 -0700 | [diff] [blame] | 1785 | wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1786 | if (wps_ie && |
| 1787 | (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 1) || |
| 1788 | wpa_s->scan_runs >= WPS_PIN_SCAN_IGNORE_SEL_REG)) { |
| 1789 | /* allow wildcard SSID for WPS PIN */ |
| 1790 | ret = 1; |
| 1791 | } |
| 1792 | } |
| 1793 | |
| 1794 | if (!ret && ssid->bssid_set && |
| 1795 | os_memcmp(ssid->bssid, bss->bssid, ETH_ALEN) == 0) { |
| 1796 | /* allow wildcard SSID due to hardcoded BSSID match */ |
| 1797 | ret = 1; |
| 1798 | } |
| 1799 | |
| 1800 | #ifdef CONFIG_WPS_STRICT |
| 1801 | if (wps_ie) { |
| 1802 | if (wps_validate_beacon_probe_resp(wps_ie, bss->beacon_ie_len > |
| 1803 | 0, bss->bssid) < 0) |
| 1804 | ret = 0; |
| 1805 | if (bss->beacon_ie_len) { |
| 1806 | struct wpabuf *bcn_wps; |
Dmitry Shmidt | 9bce59c | 2012-09-11 15:06:38 -0700 | [diff] [blame] | 1807 | bcn_wps = wpa_bss_get_vendor_ie_multi_beacon( |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1808 | bss, WPS_IE_VENDOR_TYPE); |
| 1809 | if (bcn_wps == NULL) { |
| 1810 | wpa_printf(MSG_DEBUG, "WPS: Mandatory WPS IE " |
| 1811 | "missing from AP Beacon"); |
| 1812 | ret = 0; |
| 1813 | } else { |
| 1814 | if (wps_validate_beacon(wps_ie) < 0) |
| 1815 | ret = 0; |
| 1816 | wpabuf_free(bcn_wps); |
| 1817 | } |
| 1818 | } |
| 1819 | } |
| 1820 | #endif /* CONFIG_WPS_STRICT */ |
| 1821 | |
| 1822 | wpabuf_free(wps_ie); |
| 1823 | |
| 1824 | return ret; |
| 1825 | } |
| 1826 | |
| 1827 | |
| 1828 | int wpas_wps_scan_pbc_overlap(struct wpa_supplicant *wpa_s, |
| 1829 | struct wpa_bss *selected, struct wpa_ssid *ssid) |
| 1830 | { |
Dmitry Shmidt | a3dc309 | 2015-06-23 11:21:28 -0700 | [diff] [blame] | 1831 | const u8 *sel_uuid; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1832 | struct wpabuf *wps_ie; |
| 1833 | int ret = 0; |
Dmitry Shmidt | a3dc309 | 2015-06-23 11:21:28 -0700 | [diff] [blame] | 1834 | size_t i; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1835 | |
| 1836 | if (!eap_is_wps_pbc_enrollee(&ssid->eap)) |
| 1837 | return 0; |
| 1838 | |
| 1839 | wpa_printf(MSG_DEBUG, "WPS: Check whether PBC session overlap is " |
| 1840 | "present in scan results; selected BSSID " MACSTR, |
| 1841 | MAC2STR(selected->bssid)); |
Hai Shalom | fdcde76 | 2020-04-02 11:19:20 -0700 | [diff] [blame] | 1842 | if (!is_zero_ether_addr(ssid->bssid)) |
| 1843 | wpa_printf(MSG_DEBUG, |
| 1844 | "WPS: Network profile limited to accept only a single BSSID " MACSTR, |
| 1845 | MAC2STR(ssid->bssid)); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1846 | |
| 1847 | /* Make sure that only one AP is in active PBC mode */ |
| 1848 | wps_ie = wpa_bss_get_vendor_ie_multi(selected, WPS_IE_VENDOR_TYPE); |
| 1849 | if (wps_ie) { |
| 1850 | sel_uuid = wps_get_uuid_e(wps_ie); |
| 1851 | wpa_hexdump(MSG_DEBUG, "WPS: UUID of the selected BSS", |
| 1852 | sel_uuid, UUID_LEN); |
| 1853 | } else { |
| 1854 | wpa_printf(MSG_DEBUG, "WPS: Selected BSS does not include " |
| 1855 | "WPS IE?!"); |
| 1856 | sel_uuid = NULL; |
| 1857 | } |
| 1858 | |
Dmitry Shmidt | a3dc309 | 2015-06-23 11:21:28 -0700 | [diff] [blame] | 1859 | for (i = 0; i < wpa_s->num_wps_ap; i++) { |
| 1860 | struct wps_ap_info *ap = &wpa_s->wps_ap[i]; |
| 1861 | |
| 1862 | if (!ap->pbc_active || |
| 1863 | os_memcmp(selected->bssid, ap->bssid, ETH_ALEN) == 0) |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1864 | continue; |
Dmitry Shmidt | a3dc309 | 2015-06-23 11:21:28 -0700 | [diff] [blame] | 1865 | |
Hai Shalom | fdcde76 | 2020-04-02 11:19:20 -0700 | [diff] [blame] | 1866 | if (!is_zero_ether_addr(ssid->bssid) && |
| 1867 | os_memcmp(ap->bssid, ssid->bssid, ETH_ALEN) != 0) { |
| 1868 | wpa_printf(MSG_DEBUG, "WPS: Ignore another BSS " MACSTR |
| 1869 | " in active PBC mode due to local BSSID limitation", |
| 1870 | MAC2STR(ap->bssid)); |
| 1871 | continue; |
| 1872 | } |
| 1873 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1874 | wpa_printf(MSG_DEBUG, "WPS: Another BSS in active PBC mode: " |
Dmitry Shmidt | a3dc309 | 2015-06-23 11:21:28 -0700 | [diff] [blame] | 1875 | MACSTR, MAC2STR(ap->bssid)); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1876 | wpa_hexdump(MSG_DEBUG, "WPS: UUID of the other BSS", |
Dmitry Shmidt | a3dc309 | 2015-06-23 11:21:28 -0700 | [diff] [blame] | 1877 | ap->uuid, UUID_LEN); |
| 1878 | if (sel_uuid == NULL || |
| 1879 | os_memcmp(sel_uuid, ap->uuid, UUID_LEN) != 0) { |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1880 | ret = 1; /* PBC overlap */ |
| 1881 | wpa_msg(wpa_s, MSG_INFO, "WPS: PBC overlap detected: " |
| 1882 | MACSTR " and " MACSTR, |
| 1883 | MAC2STR(selected->bssid), |
Dmitry Shmidt | a3dc309 | 2015-06-23 11:21:28 -0700 | [diff] [blame] | 1884 | MAC2STR(ap->bssid)); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1885 | break; |
| 1886 | } |
| 1887 | |
| 1888 | /* TODO: verify that this is reasonable dual-band situation */ |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1889 | } |
| 1890 | |
| 1891 | wpabuf_free(wps_ie); |
| 1892 | |
| 1893 | return ret; |
| 1894 | } |
| 1895 | |
| 1896 | |
| 1897 | void wpas_wps_notify_scan_results(struct wpa_supplicant *wpa_s) |
| 1898 | { |
| 1899 | struct wpa_bss *bss; |
| 1900 | unsigned int pbc = 0, auth = 0, pin = 0, wps = 0; |
| 1901 | |
| 1902 | if (wpa_s->disconnected || wpa_s->wpa_state >= WPA_ASSOCIATED) |
| 1903 | return; |
| 1904 | |
| 1905 | dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) { |
| 1906 | struct wpabuf *ie; |
| 1907 | ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE); |
| 1908 | if (!ie) |
| 1909 | continue; |
| 1910 | if (wps_is_selected_pbc_registrar(ie)) |
| 1911 | pbc++; |
| 1912 | else if (wps_is_addr_authorized(ie, wpa_s->own_addr, 0)) |
| 1913 | auth++; |
| 1914 | else if (wps_is_selected_pin_registrar(ie)) |
| 1915 | pin++; |
| 1916 | else |
| 1917 | wps++; |
| 1918 | wpabuf_free(ie); |
| 1919 | } |
| 1920 | |
| 1921 | if (pbc) |
| 1922 | wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE_PBC); |
| 1923 | else if (auth) |
| 1924 | wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE_AUTH); |
| 1925 | else if (pin) |
| 1926 | wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE_PIN); |
| 1927 | else if (wps) |
| 1928 | wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE); |
| 1929 | } |
| 1930 | |
| 1931 | |
| 1932 | int wpas_wps_searching(struct wpa_supplicant *wpa_s) |
| 1933 | { |
| 1934 | struct wpa_ssid *ssid; |
| 1935 | |
| 1936 | for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) { |
| 1937 | if ((ssid->key_mgmt & WPA_KEY_MGMT_WPS) && !ssid->disabled) |
| 1938 | return 1; |
| 1939 | } |
| 1940 | |
| 1941 | return 0; |
| 1942 | } |
| 1943 | |
| 1944 | |
| 1945 | int wpas_wps_scan_result_text(const u8 *ies, size_t ies_len, char *buf, |
| 1946 | char *end) |
| 1947 | { |
| 1948 | struct wpabuf *wps_ie; |
| 1949 | int ret; |
| 1950 | |
| 1951 | wps_ie = ieee802_11_vendor_ie_concat(ies, ies_len, WPS_DEV_OUI_WFA); |
| 1952 | if (wps_ie == NULL) |
| 1953 | return 0; |
| 1954 | |
| 1955 | ret = wps_attr_text(wps_ie, buf, end); |
| 1956 | wpabuf_free(wps_ie); |
| 1957 | return ret; |
| 1958 | } |
| 1959 | |
| 1960 | |
| 1961 | int wpas_wps_er_start(struct wpa_supplicant *wpa_s, const char *filter) |
| 1962 | { |
| 1963 | #ifdef CONFIG_WPS_ER |
| 1964 | if (wpa_s->wps_er) { |
| 1965 | wps_er_refresh(wpa_s->wps_er); |
| 1966 | return 0; |
| 1967 | } |
| 1968 | wpa_s->wps_er = wps_er_init(wpa_s->wps, wpa_s->ifname, filter); |
| 1969 | if (wpa_s->wps_er == NULL) |
| 1970 | return -1; |
| 1971 | return 0; |
| 1972 | #else /* CONFIG_WPS_ER */ |
| 1973 | return 0; |
| 1974 | #endif /* CONFIG_WPS_ER */ |
| 1975 | } |
| 1976 | |
| 1977 | |
Dmitry Shmidt | 6c0da2b | 2015-01-05 13:08:17 -0800 | [diff] [blame] | 1978 | void wpas_wps_er_stop(struct wpa_supplicant *wpa_s) |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1979 | { |
| 1980 | #ifdef CONFIG_WPS_ER |
| 1981 | wps_er_deinit(wpa_s->wps_er, NULL, NULL); |
| 1982 | wpa_s->wps_er = NULL; |
| 1983 | #endif /* CONFIG_WPS_ER */ |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1984 | } |
| 1985 | |
| 1986 | |
| 1987 | #ifdef CONFIG_WPS_ER |
| 1988 | int wpas_wps_er_add_pin(struct wpa_supplicant *wpa_s, const u8 *addr, |
| 1989 | const char *uuid, const char *pin) |
| 1990 | { |
| 1991 | u8 u[UUID_LEN]; |
Dmitry Shmidt | 1e78e76 | 2013-04-02 11:05:36 -0700 | [diff] [blame] | 1992 | const u8 *use_uuid = NULL; |
| 1993 | u8 addr_buf[ETH_ALEN]; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1994 | |
Dmitry Shmidt | 1e78e76 | 2013-04-02 11:05:36 -0700 | [diff] [blame] | 1995 | if (os_strcmp(uuid, "any") == 0) { |
| 1996 | } else if (uuid_str2bin(uuid, u) == 0) { |
| 1997 | use_uuid = u; |
| 1998 | } else if (hwaddr_aton(uuid, addr_buf) == 0) { |
| 1999 | use_uuid = wps_er_get_sta_uuid(wpa_s->wps_er, addr_buf); |
| 2000 | if (use_uuid == NULL) |
| 2001 | return -1; |
| 2002 | } else |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2003 | return -1; |
| 2004 | return wps_registrar_add_pin(wpa_s->wps->registrar, addr, |
Dmitry Shmidt | 1e78e76 | 2013-04-02 11:05:36 -0700 | [diff] [blame] | 2005 | use_uuid, |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2006 | (const u8 *) pin, os_strlen(pin), 300); |
| 2007 | } |
| 2008 | |
| 2009 | |
| 2010 | int wpas_wps_er_pbc(struct wpa_supplicant *wpa_s, const char *uuid) |
| 2011 | { |
Dmitry Shmidt | 1e78e76 | 2013-04-02 11:05:36 -0700 | [diff] [blame] | 2012 | u8 u[UUID_LEN], *use_uuid = NULL; |
| 2013 | u8 addr[ETH_ALEN], *use_addr = NULL; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2014 | |
Dmitry Shmidt | 1e78e76 | 2013-04-02 11:05:36 -0700 | [diff] [blame] | 2015 | if (uuid_str2bin(uuid, u) == 0) |
| 2016 | use_uuid = u; |
| 2017 | else if (hwaddr_aton(uuid, addr) == 0) |
| 2018 | use_addr = addr; |
| 2019 | else |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2020 | return -1; |
Dmitry Shmidt | 1e78e76 | 2013-04-02 11:05:36 -0700 | [diff] [blame] | 2021 | return wps_er_pbc(wpa_s->wps_er, use_uuid, use_addr); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2022 | } |
| 2023 | |
| 2024 | |
| 2025 | int wpas_wps_er_learn(struct wpa_supplicant *wpa_s, const char *uuid, |
| 2026 | const char *pin) |
| 2027 | { |
Dmitry Shmidt | 1e78e76 | 2013-04-02 11:05:36 -0700 | [diff] [blame] | 2028 | u8 u[UUID_LEN], *use_uuid = NULL; |
| 2029 | u8 addr[ETH_ALEN], *use_addr = NULL; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2030 | |
Dmitry Shmidt | 1e78e76 | 2013-04-02 11:05:36 -0700 | [diff] [blame] | 2031 | if (uuid_str2bin(uuid, u) == 0) |
| 2032 | use_uuid = u; |
| 2033 | else if (hwaddr_aton(uuid, addr) == 0) |
| 2034 | use_addr = addr; |
| 2035 | else |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2036 | return -1; |
Dmitry Shmidt | 1e78e76 | 2013-04-02 11:05:36 -0700 | [diff] [blame] | 2037 | |
| 2038 | return wps_er_learn(wpa_s->wps_er, use_uuid, use_addr, (const u8 *) pin, |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2039 | os_strlen(pin)); |
| 2040 | } |
| 2041 | |
| 2042 | |
Dmitry Shmidt | 1e78e76 | 2013-04-02 11:05:36 -0700 | [diff] [blame] | 2043 | static int wpas_wps_network_to_cred(struct wpa_ssid *ssid, |
| 2044 | struct wps_credential *cred) |
| 2045 | { |
| 2046 | os_memset(cred, 0, sizeof(*cred)); |
Dmitry Shmidt | 9d9e602 | 2015-04-23 10:34:55 -0700 | [diff] [blame] | 2047 | if (ssid->ssid_len > SSID_MAX_LEN) |
Dmitry Shmidt | 1e78e76 | 2013-04-02 11:05:36 -0700 | [diff] [blame] | 2048 | return -1; |
| 2049 | os_memcpy(cred->ssid, ssid->ssid, ssid->ssid_len); |
| 2050 | cred->ssid_len = ssid->ssid_len; |
| 2051 | if (ssid->key_mgmt & WPA_KEY_MGMT_PSK) { |
| 2052 | cred->auth_type = (ssid->proto & WPA_PROTO_RSN) ? |
| 2053 | WPS_AUTH_WPA2PSK : WPS_AUTH_WPAPSK; |
| 2054 | if (ssid->pairwise_cipher & WPA_CIPHER_CCMP) |
| 2055 | cred->encr_type = WPS_ENCR_AES; |
| 2056 | else |
| 2057 | cred->encr_type = WPS_ENCR_TKIP; |
| 2058 | if (ssid->passphrase) { |
| 2059 | cred->key_len = os_strlen(ssid->passphrase); |
| 2060 | if (cred->key_len >= 64) |
| 2061 | return -1; |
| 2062 | os_memcpy(cred->key, ssid->passphrase, cred->key_len); |
| 2063 | } else if (ssid->psk_set) { |
| 2064 | cred->key_len = 32; |
| 2065 | os_memcpy(cred->key, ssid->psk, 32); |
| 2066 | } else |
| 2067 | return -1; |
| 2068 | } else { |
| 2069 | cred->auth_type = WPS_AUTH_OPEN; |
| 2070 | cred->encr_type = WPS_ENCR_NONE; |
| 2071 | } |
| 2072 | |
| 2073 | return 0; |
| 2074 | } |
| 2075 | |
| 2076 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2077 | int wpas_wps_er_set_config(struct wpa_supplicant *wpa_s, const char *uuid, |
| 2078 | int id) |
| 2079 | { |
Dmitry Shmidt | 1e78e76 | 2013-04-02 11:05:36 -0700 | [diff] [blame] | 2080 | u8 u[UUID_LEN], *use_uuid = NULL; |
| 2081 | u8 addr[ETH_ALEN], *use_addr = NULL; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2082 | struct wpa_ssid *ssid; |
| 2083 | struct wps_credential cred; |
Dmitry Shmidt | 6c0da2b | 2015-01-05 13:08:17 -0800 | [diff] [blame] | 2084 | int ret; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2085 | |
Dmitry Shmidt | 1e78e76 | 2013-04-02 11:05:36 -0700 | [diff] [blame] | 2086 | if (uuid_str2bin(uuid, u) == 0) |
| 2087 | use_uuid = u; |
| 2088 | else if (hwaddr_aton(uuid, addr) == 0) |
| 2089 | use_addr = addr; |
| 2090 | else |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2091 | return -1; |
| 2092 | ssid = wpa_config_get_network(wpa_s->conf, id); |
| 2093 | if (ssid == NULL || ssid->ssid == NULL) |
| 2094 | return -1; |
| 2095 | |
Dmitry Shmidt | 1e78e76 | 2013-04-02 11:05:36 -0700 | [diff] [blame] | 2096 | if (wpas_wps_network_to_cred(ssid, &cred) < 0) |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2097 | return -1; |
Dmitry Shmidt | 6c0da2b | 2015-01-05 13:08:17 -0800 | [diff] [blame] | 2098 | ret = wps_er_set_config(wpa_s->wps_er, use_uuid, use_addr, &cred); |
| 2099 | os_memset(&cred, 0, sizeof(cred)); |
| 2100 | return ret; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2101 | } |
| 2102 | |
| 2103 | |
| 2104 | int wpas_wps_er_config(struct wpa_supplicant *wpa_s, const char *uuid, |
| 2105 | const char *pin, struct wps_new_ap_settings *settings) |
| 2106 | { |
Dmitry Shmidt | 1e78e76 | 2013-04-02 11:05:36 -0700 | [diff] [blame] | 2107 | u8 u[UUID_LEN], *use_uuid = NULL; |
| 2108 | u8 addr[ETH_ALEN], *use_addr = NULL; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2109 | struct wps_credential cred; |
| 2110 | size_t len; |
| 2111 | |
Dmitry Shmidt | 1e78e76 | 2013-04-02 11:05:36 -0700 | [diff] [blame] | 2112 | if (uuid_str2bin(uuid, u) == 0) |
| 2113 | use_uuid = u; |
| 2114 | else if (hwaddr_aton(uuid, addr) == 0) |
| 2115 | use_addr = addr; |
| 2116 | else |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2117 | return -1; |
| 2118 | if (settings->ssid_hex == NULL || settings->auth == NULL || |
| 2119 | settings->encr == NULL || settings->key_hex == NULL) |
| 2120 | return -1; |
| 2121 | |
| 2122 | os_memset(&cred, 0, sizeof(cred)); |
| 2123 | len = os_strlen(settings->ssid_hex); |
| 2124 | if ((len & 1) || len > 2 * sizeof(cred.ssid) || |
| 2125 | hexstr2bin(settings->ssid_hex, cred.ssid, len / 2)) |
| 2126 | return -1; |
| 2127 | cred.ssid_len = len / 2; |
| 2128 | |
| 2129 | len = os_strlen(settings->key_hex); |
| 2130 | if ((len & 1) || len > 2 * sizeof(cred.key) || |
| 2131 | hexstr2bin(settings->key_hex, cred.key, len / 2)) |
| 2132 | return -1; |
| 2133 | cred.key_len = len / 2; |
| 2134 | |
| 2135 | if (os_strcmp(settings->auth, "OPEN") == 0) |
| 2136 | cred.auth_type = WPS_AUTH_OPEN; |
| 2137 | else if (os_strcmp(settings->auth, "WPAPSK") == 0) |
| 2138 | cred.auth_type = WPS_AUTH_WPAPSK; |
| 2139 | else if (os_strcmp(settings->auth, "WPA2PSK") == 0) |
| 2140 | cred.auth_type = WPS_AUTH_WPA2PSK; |
| 2141 | else |
| 2142 | return -1; |
| 2143 | |
| 2144 | if (os_strcmp(settings->encr, "NONE") == 0) |
| 2145 | cred.encr_type = WPS_ENCR_NONE; |
Dmitry Shmidt | 21de214 | 2014-04-08 10:50:52 -0700 | [diff] [blame] | 2146 | #ifdef CONFIG_TESTING_OPTIONS |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2147 | else if (os_strcmp(settings->encr, "WEP") == 0) |
| 2148 | cred.encr_type = WPS_ENCR_WEP; |
Dmitry Shmidt | 21de214 | 2014-04-08 10:50:52 -0700 | [diff] [blame] | 2149 | #endif /* CONFIG_TESTING_OPTIONS */ |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2150 | else if (os_strcmp(settings->encr, "TKIP") == 0) |
| 2151 | cred.encr_type = WPS_ENCR_TKIP; |
| 2152 | else if (os_strcmp(settings->encr, "CCMP") == 0) |
| 2153 | cred.encr_type = WPS_ENCR_AES; |
| 2154 | else |
| 2155 | return -1; |
| 2156 | |
Dmitry Shmidt | 1e78e76 | 2013-04-02 11:05:36 -0700 | [diff] [blame] | 2157 | return wps_er_config(wpa_s->wps_er, use_uuid, use_addr, |
| 2158 | (const u8 *) pin, os_strlen(pin), &cred); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2159 | } |
| 2160 | |
| 2161 | |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 2162 | #ifdef CONFIG_WPS_NFC |
| 2163 | struct wpabuf * wpas_wps_er_nfc_config_token(struct wpa_supplicant *wpa_s, |
| 2164 | int ndef, const char *uuid) |
| 2165 | { |
| 2166 | struct wpabuf *ret; |
Dmitry Shmidt | 1e78e76 | 2013-04-02 11:05:36 -0700 | [diff] [blame] | 2167 | u8 u[UUID_LEN], *use_uuid = NULL; |
| 2168 | u8 addr[ETH_ALEN], *use_addr = NULL; |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 2169 | |
| 2170 | if (!wpa_s->wps_er) |
| 2171 | return NULL; |
| 2172 | |
Dmitry Shmidt | 1e78e76 | 2013-04-02 11:05:36 -0700 | [diff] [blame] | 2173 | if (uuid_str2bin(uuid, u) == 0) |
| 2174 | use_uuid = u; |
| 2175 | else if (hwaddr_aton(uuid, addr) == 0) |
| 2176 | use_addr = addr; |
| 2177 | else |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 2178 | return NULL; |
| 2179 | |
Dmitry Shmidt | 1e78e76 | 2013-04-02 11:05:36 -0700 | [diff] [blame] | 2180 | ret = wps_er_nfc_config_token(wpa_s->wps_er, use_uuid, use_addr); |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 2181 | if (ndef && ret) { |
| 2182 | struct wpabuf *tmp; |
| 2183 | tmp = ndef_build_wifi(ret); |
| 2184 | wpabuf_free(ret); |
| 2185 | if (tmp == NULL) |
| 2186 | return NULL; |
| 2187 | ret = tmp; |
| 2188 | } |
| 2189 | |
| 2190 | return ret; |
| 2191 | } |
| 2192 | #endif /* CONFIG_WPS_NFC */ |
| 2193 | |
| 2194 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2195 | static int callbacks_pending = 0; |
| 2196 | |
| 2197 | static void wpas_wps_terminate_cb(void *ctx) |
| 2198 | { |
| 2199 | wpa_printf(MSG_DEBUG, "WPS ER: Terminated"); |
| 2200 | if (--callbacks_pending <= 0) |
| 2201 | eloop_terminate(); |
| 2202 | } |
| 2203 | #endif /* CONFIG_WPS_ER */ |
| 2204 | |
| 2205 | |
| 2206 | int wpas_wps_terminate_pending(struct wpa_supplicant *wpa_s) |
| 2207 | { |
| 2208 | #ifdef CONFIG_WPS_ER |
| 2209 | if (wpa_s->wps_er) { |
| 2210 | callbacks_pending++; |
| 2211 | wps_er_deinit(wpa_s->wps_er, wpas_wps_terminate_cb, wpa_s); |
| 2212 | wpa_s->wps_er = NULL; |
| 2213 | return 1; |
| 2214 | } |
| 2215 | #endif /* CONFIG_WPS_ER */ |
| 2216 | return 0; |
| 2217 | } |
| 2218 | |
| 2219 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2220 | void wpas_wps_update_config(struct wpa_supplicant *wpa_s) |
| 2221 | { |
| 2222 | struct wps_context *wps = wpa_s->wps; |
| 2223 | |
| 2224 | if (wps == NULL) |
| 2225 | return; |
| 2226 | |
| 2227 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_CONFIG_METHODS) { |
| 2228 | wps->config_methods = wps_config_methods_str2bin( |
| 2229 | wpa_s->conf->config_methods); |
| 2230 | if ((wps->config_methods & |
| 2231 | (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) == |
| 2232 | (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) { |
| 2233 | wpa_printf(MSG_ERROR, "WPS: Both Label and Display " |
| 2234 | "config methods are not allowed at the " |
| 2235 | "same time"); |
| 2236 | wps->config_methods &= ~WPS_CONFIG_LABEL; |
| 2237 | } |
| 2238 | } |
| 2239 | wps->config_methods = wps_fix_config_methods(wps->config_methods); |
jim1_lin | ff2bda6 | 2012-06-26 11:04:38 +0800 | [diff] [blame] | 2240 | wps->dev.config_methods = wps->config_methods; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2241 | |
| 2242 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_DEVICE_TYPE) |
| 2243 | os_memcpy(wps->dev.pri_dev_type, wpa_s->conf->device_type, |
| 2244 | WPS_DEV_TYPE_LEN); |
| 2245 | |
| 2246 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_SEC_DEVICE_TYPE) { |
| 2247 | wps->dev.num_sec_dev_types = wpa_s->conf->num_sec_device_types; |
| 2248 | os_memcpy(wps->dev.sec_dev_type, wpa_s->conf->sec_device_type, |
| 2249 | wps->dev.num_sec_dev_types * WPS_DEV_TYPE_LEN); |
| 2250 | } |
| 2251 | |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 2252 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_VENDOR_EXTENSION) |
| 2253 | wpas_wps_set_vendor_ext_m1(wpa_s, wps); |
| 2254 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 2255 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_OS_VERSION) |
| 2256 | wps->dev.os_version = WPA_GET_BE32(wpa_s->conf->os_version); |
| 2257 | |
| 2258 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_UUID) |
| 2259 | wpas_wps_set_uuid(wpa_s, wps); |
| 2260 | |
| 2261 | if (wpa_s->conf->changed_parameters & |
| 2262 | (CFG_CHANGED_DEVICE_NAME | CFG_CHANGED_WPS_STRING)) { |
| 2263 | /* Update pointers to make sure they refer current values */ |
| 2264 | wps->dev.device_name = wpa_s->conf->device_name; |
| 2265 | wps->dev.manufacturer = wpa_s->conf->manufacturer; |
| 2266 | wps->dev.model_name = wpa_s->conf->model_name; |
| 2267 | wps->dev.model_number = wpa_s->conf->model_number; |
| 2268 | wps->dev.serial_number = wpa_s->conf->serial_number; |
| 2269 | } |
| 2270 | } |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 2271 | |
| 2272 | |
Mikael Kanstrup | cc779b8 | 2019-08-16 08:50:54 +0200 | [diff] [blame] | 2273 | void wpas_wps_update_mac_addr(struct wpa_supplicant *wpa_s) |
| 2274 | { |
| 2275 | struct wps_context *wps; |
| 2276 | |
| 2277 | wps = wpa_s->wps; |
| 2278 | if (wps) |
| 2279 | os_memcpy(wps->dev.mac_addr, wpa_s->own_addr, ETH_ALEN); |
| 2280 | } |
| 2281 | |
| 2282 | |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 2283 | #ifdef CONFIG_WPS_NFC |
| 2284 | |
Dmitry Shmidt | 1e78e76 | 2013-04-02 11:05:36 -0700 | [diff] [blame] | 2285 | #ifdef CONFIG_WPS_ER |
Roshan Pius | 8894db2 | 2017-02-13 14:43:20 -0800 | [diff] [blame] | 2286 | struct wpabuf * |
Dmitry Shmidt | 1e78e76 | 2013-04-02 11:05:36 -0700 | [diff] [blame] | 2287 | wpas_wps_network_config_token(struct wpa_supplicant *wpa_s, int ndef, |
| 2288 | struct wpa_ssid *ssid) |
Dmitry Shmidt | f862328 | 2013-02-20 14:34:59 -0800 | [diff] [blame] | 2289 | { |
Dmitry Shmidt | 1e78e76 | 2013-04-02 11:05:36 -0700 | [diff] [blame] | 2290 | struct wpabuf *ret; |
| 2291 | struct wps_credential cred; |
| 2292 | |
| 2293 | if (wpas_wps_network_to_cred(ssid, &cred) < 0) |
| 2294 | return NULL; |
| 2295 | |
| 2296 | ret = wps_er_config_token_from_cred(wpa_s->wps, &cred); |
| 2297 | |
| 2298 | if (ndef && ret) { |
| 2299 | struct wpabuf *tmp; |
| 2300 | tmp = ndef_build_wifi(ret); |
| 2301 | wpabuf_free(ret); |
| 2302 | if (tmp == NULL) |
| 2303 | return NULL; |
| 2304 | ret = tmp; |
| 2305 | } |
| 2306 | |
| 2307 | return ret; |
| 2308 | } |
| 2309 | #endif /* CONFIG_WPS_ER */ |
| 2310 | |
| 2311 | |
| 2312 | struct wpabuf * wpas_wps_nfc_config_token(struct wpa_supplicant *wpa_s, |
| 2313 | int ndef, const char *id_str) |
| 2314 | { |
| 2315 | #ifdef CONFIG_WPS_ER |
| 2316 | if (id_str) { |
| 2317 | int id; |
| 2318 | char *end = NULL; |
| 2319 | struct wpa_ssid *ssid; |
| 2320 | |
| 2321 | id = strtol(id_str, &end, 10); |
| 2322 | if (end && *end) |
| 2323 | return NULL; |
| 2324 | |
| 2325 | ssid = wpa_config_get_network(wpa_s->conf, id); |
| 2326 | if (ssid == NULL) |
| 2327 | return NULL; |
| 2328 | return wpas_wps_network_config_token(wpa_s, ndef, ssid); |
| 2329 | } |
| 2330 | #endif /* CONFIG_WPS_ER */ |
Dmitry Shmidt | f862328 | 2013-02-20 14:34:59 -0800 | [diff] [blame] | 2331 | #ifdef CONFIG_AP |
| 2332 | if (wpa_s->ap_iface) |
| 2333 | return wpas_ap_wps_nfc_config_token(wpa_s, ndef); |
| 2334 | #endif /* CONFIG_AP */ |
| 2335 | return NULL; |
| 2336 | } |
| 2337 | |
| 2338 | |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 2339 | struct wpabuf * wpas_wps_nfc_token(struct wpa_supplicant *wpa_s, int ndef) |
| 2340 | { |
Dmitry Shmidt | f862328 | 2013-02-20 14:34:59 -0800 | [diff] [blame] | 2341 | if (wpa_s->conf->wps_nfc_pw_from_config) { |
| 2342 | return wps_nfc_token_build(ndef, |
| 2343 | wpa_s->conf->wps_nfc_dev_pw_id, |
| 2344 | wpa_s->conf->wps_nfc_dh_pubkey, |
| 2345 | wpa_s->conf->wps_nfc_dev_pw); |
| 2346 | } |
| 2347 | |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 2348 | return wps_nfc_token_gen(ndef, &wpa_s->conf->wps_nfc_dev_pw_id, |
| 2349 | &wpa_s->conf->wps_nfc_dh_pubkey, |
| 2350 | &wpa_s->conf->wps_nfc_dh_privkey, |
| 2351 | &wpa_s->conf->wps_nfc_dev_pw); |
| 2352 | } |
| 2353 | |
| 2354 | |
Dmitry Shmidt | cf32e60 | 2014-01-28 10:57:39 -0800 | [diff] [blame] | 2355 | int wpas_wps_start_nfc(struct wpa_supplicant *wpa_s, const u8 *go_dev_addr, |
| 2356 | const u8 *bssid, |
| 2357 | const struct wpabuf *dev_pw, u16 dev_pw_id, |
| 2358 | int p2p_group, const u8 *peer_pubkey_hash, |
| 2359 | const u8 *ssid, size_t ssid_len, int freq) |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 2360 | { |
| 2361 | struct wps_context *wps = wpa_s->wps; |
| 2362 | char pw[32 * 2 + 1]; |
| 2363 | |
Dmitry Shmidt | cf32e60 | 2014-01-28 10:57:39 -0800 | [diff] [blame] | 2364 | if (dev_pw_id != DEV_PW_NFC_CONNECTION_HANDOVER && dev_pw == NULL) { |
| 2365 | dev_pw = wpa_s->conf->wps_nfc_dev_pw; |
| 2366 | dev_pw_id = wpa_s->conf->wps_nfc_dev_pw_id; |
| 2367 | } |
| 2368 | |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 2369 | if (wpa_s->conf->wps_nfc_dh_pubkey == NULL || |
Dmitry Shmidt | cf32e60 | 2014-01-28 10:57:39 -0800 | [diff] [blame] | 2370 | wpa_s->conf->wps_nfc_dh_privkey == NULL) { |
| 2371 | wpa_printf(MSG_DEBUG, "WPS: Missing DH params - " |
| 2372 | "cannot start NFC-triggered connection"); |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 2373 | return -1; |
Dmitry Shmidt | cf32e60 | 2014-01-28 10:57:39 -0800 | [diff] [blame] | 2374 | } |
| 2375 | |
| 2376 | if (dev_pw_id != DEV_PW_NFC_CONNECTION_HANDOVER && dev_pw == NULL) { |
| 2377 | wpa_printf(MSG_DEBUG, "WPS: Missing Device Password (id=%u) - " |
| 2378 | "cannot start NFC-triggered connection", dev_pw_id); |
| 2379 | return -1; |
| 2380 | } |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 2381 | |
| 2382 | dh5_free(wps->dh_ctx); |
| 2383 | wpabuf_free(wps->dh_pubkey); |
| 2384 | wpabuf_free(wps->dh_privkey); |
| 2385 | wps->dh_privkey = wpabuf_dup(wpa_s->conf->wps_nfc_dh_privkey); |
| 2386 | wps->dh_pubkey = wpabuf_dup(wpa_s->conf->wps_nfc_dh_pubkey); |
| 2387 | if (wps->dh_privkey == NULL || wps->dh_pubkey == NULL) { |
| 2388 | wps->dh_ctx = NULL; |
| 2389 | wpabuf_free(wps->dh_pubkey); |
| 2390 | wps->dh_pubkey = NULL; |
| 2391 | wpabuf_free(wps->dh_privkey); |
| 2392 | wps->dh_privkey = NULL; |
Dmitry Shmidt | cf32e60 | 2014-01-28 10:57:39 -0800 | [diff] [blame] | 2393 | wpa_printf(MSG_DEBUG, "WPS: Failed to get DH priv/pub key"); |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 2394 | return -1; |
| 2395 | } |
| 2396 | wps->dh_ctx = dh5_init_fixed(wps->dh_privkey, wps->dh_pubkey); |
Dmitry Shmidt | 1e78e76 | 2013-04-02 11:05:36 -0700 | [diff] [blame] | 2397 | if (wps->dh_ctx == NULL) { |
| 2398 | wpabuf_free(wps->dh_pubkey); |
| 2399 | wps->dh_pubkey = NULL; |
| 2400 | wpabuf_free(wps->dh_privkey); |
| 2401 | wps->dh_privkey = NULL; |
Dmitry Shmidt | cf32e60 | 2014-01-28 10:57:39 -0800 | [diff] [blame] | 2402 | wpa_printf(MSG_DEBUG, "WPS: Failed to initialize DH context"); |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 2403 | return -1; |
Dmitry Shmidt | 1e78e76 | 2013-04-02 11:05:36 -0700 | [diff] [blame] | 2404 | } |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 2405 | |
Dmitry Shmidt | cf32e60 | 2014-01-28 10:57:39 -0800 | [diff] [blame] | 2406 | if (dev_pw) { |
| 2407 | wpa_snprintf_hex_uppercase(pw, sizeof(pw), |
| 2408 | wpabuf_head(dev_pw), |
| 2409 | wpabuf_len(dev_pw)); |
| 2410 | } |
| 2411 | return wpas_wps_start_dev_pw(wpa_s, go_dev_addr, bssid, |
| 2412 | dev_pw ? pw : NULL, |
| 2413 | p2p_group, dev_pw_id, peer_pubkey_hash, |
| 2414 | ssid, ssid_len, freq); |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 2415 | } |
| 2416 | |
| 2417 | |
| 2418 | static int wpas_wps_use_cred(struct wpa_supplicant *wpa_s, |
| 2419 | struct wps_parse_attr *attr) |
| 2420 | { |
Dmitry Shmidt | 44c9578 | 2013-05-17 09:51:35 -0700 | [diff] [blame] | 2421 | /* |
| 2422 | * Disable existing networks temporarily to allow the newly learned |
| 2423 | * credential to be preferred. Enable the temporarily disabled networks |
| 2424 | * after 10 seconds. |
| 2425 | */ |
| 2426 | wpas_wps_temp_disable(wpa_s, NULL); |
| 2427 | eloop_register_timeout(10, 0, wpas_wps_reenable_networks_cb, wpa_s, |
| 2428 | NULL); |
| 2429 | |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 2430 | if (wps_oob_use_cred(wpa_s->wps, attr) < 0) |
| 2431 | return -1; |
| 2432 | |
| 2433 | if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) |
| 2434 | return 0; |
| 2435 | |
Dmitry Shmidt | 3c47937 | 2014-02-04 10:50:36 -0800 | [diff] [blame] | 2436 | if (attr->ap_channel) { |
| 2437 | u16 chan = WPA_GET_BE16(attr->ap_channel); |
Dmitry Shmidt | d5e4923 | 2012-12-03 15:08:10 -0800 | [diff] [blame] | 2438 | int freq = 0; |
| 2439 | |
| 2440 | if (chan >= 1 && chan <= 13) |
| 2441 | freq = 2407 + 5 * chan; |
| 2442 | else if (chan == 14) |
| 2443 | freq = 2484; |
| 2444 | else if (chan >= 30) |
| 2445 | freq = 5000 + 5 * chan; |
| 2446 | |
| 2447 | if (freq) { |
Dmitry Shmidt | 3c47937 | 2014-02-04 10:50:36 -0800 | [diff] [blame] | 2448 | wpa_printf(MSG_DEBUG, "WPS: Credential container indicated AP channel %u -> %u MHz", |
| 2449 | chan, freq); |
Dmitry Shmidt | d5e4923 | 2012-12-03 15:08:10 -0800 | [diff] [blame] | 2450 | wpa_s->after_wps = 5; |
| 2451 | wpa_s->wps_freq = freq; |
| 2452 | } |
| 2453 | } |
Dmitry Shmidt | 3c47937 | 2014-02-04 10:50:36 -0800 | [diff] [blame] | 2454 | |
| 2455 | wpa_printf(MSG_DEBUG, "WPS: Request reconnection with new network " |
| 2456 | "based on the received credential added"); |
| 2457 | wpa_s->normal_scans = 0; |
| 2458 | wpa_supplicant_reinit_autoscan(wpa_s); |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 2459 | wpa_s->disconnected = 0; |
| 2460 | wpa_s->reassociate = 1; |
Dmitry Shmidt | 9657139 | 2013-10-14 12:54:46 -0700 | [diff] [blame] | 2461 | |
| 2462 | wpa_supplicant_cancel_sched_scan(wpa_s); |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 2463 | wpa_supplicant_req_scan(wpa_s, 0, 0); |
| 2464 | |
| 2465 | return 0; |
| 2466 | } |
| 2467 | |
| 2468 | |
Dmitry Shmidt | aa53251 | 2012-09-24 10:35:31 -0700 | [diff] [blame] | 2469 | #ifdef CONFIG_WPS_ER |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 2470 | static int wpas_wps_add_nfc_password_token(struct wpa_supplicant *wpa_s, |
| 2471 | struct wps_parse_attr *attr) |
| 2472 | { |
| 2473 | return wps_registrar_add_nfc_password_token( |
| 2474 | wpa_s->wps->registrar, attr->oob_dev_password, |
| 2475 | attr->oob_dev_password_len); |
| 2476 | } |
Dmitry Shmidt | aa53251 | 2012-09-24 10:35:31 -0700 | [diff] [blame] | 2477 | #endif /* CONFIG_WPS_ER */ |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 2478 | |
| 2479 | |
| 2480 | static int wpas_wps_nfc_tag_process(struct wpa_supplicant *wpa_s, |
| 2481 | const struct wpabuf *wps) |
| 2482 | { |
| 2483 | struct wps_parse_attr attr; |
| 2484 | |
| 2485 | wpa_hexdump_buf(MSG_DEBUG, "WPS: Received NFC tag payload", wps); |
| 2486 | |
| 2487 | if (wps_parse_msg(wps, &attr)) { |
| 2488 | wpa_printf(MSG_DEBUG, "WPS: Ignore invalid data from NFC tag"); |
| 2489 | return -1; |
| 2490 | } |
| 2491 | |
| 2492 | if (attr.num_cred) |
| 2493 | return wpas_wps_use_cred(wpa_s, &attr); |
| 2494 | |
| 2495 | #ifdef CONFIG_WPS_ER |
| 2496 | if (attr.oob_dev_password) |
| 2497 | return wpas_wps_add_nfc_password_token(wpa_s, &attr); |
| 2498 | #endif /* CONFIG_WPS_ER */ |
| 2499 | |
| 2500 | wpa_printf(MSG_DEBUG, "WPS: Ignore unrecognized NFC tag"); |
| 2501 | return -1; |
| 2502 | } |
| 2503 | |
| 2504 | |
| 2505 | int wpas_wps_nfc_tag_read(struct wpa_supplicant *wpa_s, |
Dmitry Shmidt | cf32e60 | 2014-01-28 10:57:39 -0800 | [diff] [blame] | 2506 | const struct wpabuf *data, int forced_freq) |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 2507 | { |
| 2508 | const struct wpabuf *wps = data; |
| 2509 | struct wpabuf *tmp = NULL; |
| 2510 | int ret; |
| 2511 | |
| 2512 | if (wpabuf_len(data) < 4) |
| 2513 | return -1; |
| 2514 | |
| 2515 | if (*wpabuf_head_u8(data) != 0x10) { |
| 2516 | /* Assume this contains full NDEF record */ |
| 2517 | tmp = ndef_parse_wifi(data); |
| 2518 | if (tmp == NULL) { |
Dmitry Shmidt | cf32e60 | 2014-01-28 10:57:39 -0800 | [diff] [blame] | 2519 | #ifdef CONFIG_P2P |
| 2520 | tmp = ndef_parse_p2p(data); |
| 2521 | if (tmp) { |
| 2522 | ret = wpas_p2p_nfc_tag_process(wpa_s, tmp, |
| 2523 | forced_freq); |
| 2524 | wpabuf_free(tmp); |
| 2525 | return ret; |
| 2526 | } |
| 2527 | #endif /* CONFIG_P2P */ |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 2528 | wpa_printf(MSG_DEBUG, "WPS: Could not parse NDEF"); |
| 2529 | return -1; |
| 2530 | } |
| 2531 | wps = tmp; |
| 2532 | } |
| 2533 | |
| 2534 | ret = wpas_wps_nfc_tag_process(wpa_s, wps); |
| 2535 | wpabuf_free(tmp); |
| 2536 | return ret; |
| 2537 | } |
| 2538 | |
Dmitry Shmidt | d5e4923 | 2012-12-03 15:08:10 -0800 | [diff] [blame] | 2539 | |
Dmitry Shmidt | cf32e60 | 2014-01-28 10:57:39 -0800 | [diff] [blame] | 2540 | struct wpabuf * wpas_wps_nfc_handover_req(struct wpa_supplicant *wpa_s, |
| 2541 | int ndef) |
Dmitry Shmidt | d5e4923 | 2012-12-03 15:08:10 -0800 | [diff] [blame] | 2542 | { |
Dmitry Shmidt | cf32e60 | 2014-01-28 10:57:39 -0800 | [diff] [blame] | 2543 | struct wpabuf *ret; |
| 2544 | |
| 2545 | if (wpa_s->conf->wps_nfc_dh_pubkey == NULL && |
| 2546 | wps_nfc_gen_dh(&wpa_s->conf->wps_nfc_dh_pubkey, |
| 2547 | &wpa_s->conf->wps_nfc_dh_privkey) < 0) |
| 2548 | return NULL; |
| 2549 | |
| 2550 | ret = wps_build_nfc_handover_req(wpa_s->wps, |
| 2551 | wpa_s->conf->wps_nfc_dh_pubkey); |
| 2552 | |
| 2553 | if (ndef && ret) { |
| 2554 | struct wpabuf *tmp; |
| 2555 | tmp = ndef_build_wifi(ret); |
| 2556 | wpabuf_free(ret); |
| 2557 | if (tmp == NULL) |
| 2558 | return NULL; |
| 2559 | ret = tmp; |
| 2560 | } |
| 2561 | |
| 2562 | return ret; |
Dmitry Shmidt | d5e4923 | 2012-12-03 15:08:10 -0800 | [diff] [blame] | 2563 | } |
| 2564 | |
| 2565 | |
Dmitry Shmidt | 33e38bf | 2013-02-27 12:56:00 -0800 | [diff] [blame] | 2566 | #ifdef CONFIG_WPS_NFC |
Dmitry Shmidt | cf32e60 | 2014-01-28 10:57:39 -0800 | [diff] [blame] | 2567 | |
Dmitry Shmidt | fb79edc | 2014-01-10 10:45:54 -0800 | [diff] [blame] | 2568 | static struct wpabuf * |
| 2569 | wpas_wps_er_nfc_handover_sel(struct wpa_supplicant *wpa_s, int ndef, |
| 2570 | const char *uuid) |
Dmitry Shmidt | d5e4923 | 2012-12-03 15:08:10 -0800 | [diff] [blame] | 2571 | { |
Dmitry Shmidt | 700a137 | 2013-03-15 14:14:44 -0700 | [diff] [blame] | 2572 | #ifdef CONFIG_WPS_ER |
Dmitry Shmidt | 33e38bf | 2013-02-27 12:56:00 -0800 | [diff] [blame] | 2573 | struct wpabuf *ret; |
Dmitry Shmidt | 1e78e76 | 2013-04-02 11:05:36 -0700 | [diff] [blame] | 2574 | u8 u[UUID_LEN], *use_uuid = NULL; |
| 2575 | u8 addr[ETH_ALEN], *use_addr = NULL; |
Dmitry Shmidt | cf32e60 | 2014-01-28 10:57:39 -0800 | [diff] [blame] | 2576 | struct wps_context *wps = wpa_s->wps; |
Dmitry Shmidt | 33e38bf | 2013-02-27 12:56:00 -0800 | [diff] [blame] | 2577 | |
Dmitry Shmidt | cf32e60 | 2014-01-28 10:57:39 -0800 | [diff] [blame] | 2578 | if (wps == NULL) |
Dmitry Shmidt | 33e38bf | 2013-02-27 12:56:00 -0800 | [diff] [blame] | 2579 | return NULL; |
| 2580 | |
Dmitry Shmidt | 1e78e76 | 2013-04-02 11:05:36 -0700 | [diff] [blame] | 2581 | if (uuid == NULL) |
| 2582 | return NULL; |
| 2583 | if (uuid_str2bin(uuid, u) == 0) |
| 2584 | use_uuid = u; |
| 2585 | else if (hwaddr_aton(uuid, addr) == 0) |
| 2586 | use_addr = addr; |
| 2587 | else |
Dmitry Shmidt | 33e38bf | 2013-02-27 12:56:00 -0800 | [diff] [blame] | 2588 | return NULL; |
| 2589 | |
Dmitry Shmidt | cf32e60 | 2014-01-28 10:57:39 -0800 | [diff] [blame] | 2590 | if (wpa_s->conf->wps_nfc_dh_pubkey == NULL) { |
| 2591 | if (wps_nfc_gen_dh(&wpa_s->conf->wps_nfc_dh_pubkey, |
| 2592 | &wpa_s->conf->wps_nfc_dh_privkey) < 0) |
| 2593 | return NULL; |
| 2594 | } |
| 2595 | |
| 2596 | wpas_wps_nfc_clear(wps); |
| 2597 | wps->ap_nfc_dev_pw_id = DEV_PW_NFC_CONNECTION_HANDOVER; |
| 2598 | wps->ap_nfc_dh_pubkey = wpabuf_dup(wpa_s->conf->wps_nfc_dh_pubkey); |
| 2599 | wps->ap_nfc_dh_privkey = wpabuf_dup(wpa_s->conf->wps_nfc_dh_privkey); |
| 2600 | if (!wps->ap_nfc_dh_pubkey || !wps->ap_nfc_dh_privkey) { |
| 2601 | wpas_wps_nfc_clear(wps); |
| 2602 | return NULL; |
| 2603 | } |
| 2604 | |
| 2605 | ret = wps_er_nfc_handover_sel(wpa_s->wps_er, wpa_s->wps, use_uuid, |
| 2606 | use_addr, wpa_s->conf->wps_nfc_dh_pubkey); |
Dmitry Shmidt | 33e38bf | 2013-02-27 12:56:00 -0800 | [diff] [blame] | 2607 | if (ndef && ret) { |
| 2608 | struct wpabuf *tmp; |
| 2609 | tmp = ndef_build_wifi(ret); |
| 2610 | wpabuf_free(ret); |
| 2611 | if (tmp == NULL) |
| 2612 | return NULL; |
| 2613 | ret = tmp; |
| 2614 | } |
| 2615 | |
| 2616 | return ret; |
Dmitry Shmidt | 700a137 | 2013-03-15 14:14:44 -0700 | [diff] [blame] | 2617 | #else /* CONFIG_WPS_ER */ |
| 2618 | return NULL; |
| 2619 | #endif /* CONFIG_WPS_ER */ |
Dmitry Shmidt | 33e38bf | 2013-02-27 12:56:00 -0800 | [diff] [blame] | 2620 | } |
| 2621 | #endif /* CONFIG_WPS_NFC */ |
| 2622 | |
| 2623 | |
| 2624 | struct wpabuf * wpas_wps_nfc_handover_sel(struct wpa_supplicant *wpa_s, |
| 2625 | int ndef, int cr, const char *uuid) |
| 2626 | { |
| 2627 | struct wpabuf *ret; |
Dmitry Shmidt | f862328 | 2013-02-20 14:34:59 -0800 | [diff] [blame] | 2628 | if (!cr) |
| 2629 | return NULL; |
Dmitry Shmidt | 33e38bf | 2013-02-27 12:56:00 -0800 | [diff] [blame] | 2630 | ret = wpas_ap_wps_nfc_handover_sel(wpa_s, ndef); |
| 2631 | if (ret) |
| 2632 | return ret; |
| 2633 | return wpas_wps_er_nfc_handover_sel(wpa_s, ndef, uuid); |
Dmitry Shmidt | d5e4923 | 2012-12-03 15:08:10 -0800 | [diff] [blame] | 2634 | } |
| 2635 | |
| 2636 | |
Dmitry Shmidt | 21de214 | 2014-04-08 10:50:52 -0700 | [diff] [blame] | 2637 | static int wpas_wps_nfc_rx_handover_sel(struct wpa_supplicant *wpa_s, |
| 2638 | const struct wpabuf *data) |
Dmitry Shmidt | d5e4923 | 2012-12-03 15:08:10 -0800 | [diff] [blame] | 2639 | { |
| 2640 | struct wpabuf *wps; |
Dmitry Shmidt | cf32e60 | 2014-01-28 10:57:39 -0800 | [diff] [blame] | 2641 | int ret = -1; |
| 2642 | u16 wsc_len; |
| 2643 | const u8 *pos; |
| 2644 | struct wpabuf msg; |
| 2645 | struct wps_parse_attr attr; |
| 2646 | u16 dev_pw_id; |
| 2647 | const u8 *bssid = NULL; |
| 2648 | int freq = 0; |
Dmitry Shmidt | d5e4923 | 2012-12-03 15:08:10 -0800 | [diff] [blame] | 2649 | |
| 2650 | wps = ndef_parse_wifi(data); |
| 2651 | if (wps == NULL) |
| 2652 | return -1; |
| 2653 | wpa_printf(MSG_DEBUG, "WPS: Received application/vnd.wfa.wsc " |
| 2654 | "payload from NFC connection handover"); |
Dmitry Shmidt | cf32e60 | 2014-01-28 10:57:39 -0800 | [diff] [blame] | 2655 | wpa_hexdump_buf(MSG_DEBUG, "WPS: NFC payload", wps); |
| 2656 | if (wpabuf_len(wps) < 2) { |
| 2657 | wpa_printf(MSG_DEBUG, "WPS: Too short Wi-Fi Handover Select " |
| 2658 | "Message"); |
| 2659 | goto out; |
| 2660 | } |
| 2661 | pos = wpabuf_head(wps); |
| 2662 | wsc_len = WPA_GET_BE16(pos); |
| 2663 | if (wsc_len > wpabuf_len(wps) - 2) { |
| 2664 | wpa_printf(MSG_DEBUG, "WPS: Invalid WSC attribute length (%u) " |
| 2665 | "in Wi-Fi Handover Select Message", wsc_len); |
| 2666 | goto out; |
| 2667 | } |
| 2668 | pos += 2; |
Dmitry Shmidt | d5e4923 | 2012-12-03 15:08:10 -0800 | [diff] [blame] | 2669 | |
Dmitry Shmidt | cf32e60 | 2014-01-28 10:57:39 -0800 | [diff] [blame] | 2670 | wpa_hexdump(MSG_DEBUG, |
| 2671 | "WPS: WSC attributes in Wi-Fi Handover Select Message", |
| 2672 | pos, wsc_len); |
| 2673 | if (wsc_len < wpabuf_len(wps) - 2) { |
| 2674 | wpa_hexdump(MSG_DEBUG, |
| 2675 | "WPS: Ignore extra data after WSC attributes", |
| 2676 | pos + wsc_len, wpabuf_len(wps) - 2 - wsc_len); |
| 2677 | } |
| 2678 | |
| 2679 | wpabuf_set(&msg, pos, wsc_len); |
| 2680 | ret = wps_parse_msg(&msg, &attr); |
| 2681 | if (ret < 0) { |
| 2682 | wpa_printf(MSG_DEBUG, "WPS: Could not parse WSC attributes in " |
| 2683 | "Wi-Fi Handover Select Message"); |
| 2684 | goto out; |
| 2685 | } |
| 2686 | |
| 2687 | if (attr.oob_dev_password == NULL || |
| 2688 | attr.oob_dev_password_len < WPS_OOB_PUBKEY_HASH_LEN + 2) { |
| 2689 | wpa_printf(MSG_DEBUG, "WPS: No Out-of-Band Device Password " |
| 2690 | "included in Wi-Fi Handover Select Message"); |
| 2691 | ret = -1; |
| 2692 | goto out; |
| 2693 | } |
| 2694 | |
| 2695 | if (attr.ssid == NULL) { |
| 2696 | wpa_printf(MSG_DEBUG, "WPS: No SSID included in Wi-Fi Handover " |
| 2697 | "Select Message"); |
| 2698 | ret = -1; |
| 2699 | goto out; |
| 2700 | } |
| 2701 | |
| 2702 | wpa_hexdump_ascii(MSG_DEBUG, "WPS: SSID", attr.ssid, attr.ssid_len); |
| 2703 | |
| 2704 | if (attr.mac_addr) { |
| 2705 | bssid = attr.mac_addr; |
| 2706 | wpa_printf(MSG_DEBUG, "WPS: MAC Address (BSSID): " MACSTR, |
| 2707 | MAC2STR(bssid)); |
| 2708 | } |
| 2709 | |
| 2710 | if (attr.rf_bands) |
| 2711 | wpa_printf(MSG_DEBUG, "WPS: RF Bands: %d", *attr.rf_bands); |
| 2712 | |
| 2713 | if (attr.ap_channel) { |
| 2714 | u16 chan = WPA_GET_BE16(attr.ap_channel); |
| 2715 | |
| 2716 | wpa_printf(MSG_DEBUG, "WPS: AP Channel: %d", chan); |
| 2717 | |
| 2718 | if (chan >= 1 && chan <= 13 && |
| 2719 | (attr.rf_bands == NULL || *attr.rf_bands & WPS_RF_24GHZ)) |
| 2720 | freq = 2407 + 5 * chan; |
| 2721 | else if (chan == 14 && |
| 2722 | (attr.rf_bands == NULL || |
| 2723 | *attr.rf_bands & WPS_RF_24GHZ)) |
| 2724 | freq = 2484; |
| 2725 | else if (chan >= 30 && |
| 2726 | (attr.rf_bands == NULL || |
| 2727 | *attr.rf_bands & WPS_RF_50GHZ)) |
| 2728 | freq = 5000 + 5 * chan; |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 2729 | else if (chan >= 1 && chan <= 6 && |
Dmitry Shmidt | 1d755d0 | 2015-04-28 10:34:29 -0700 | [diff] [blame] | 2730 | (attr.rf_bands == NULL || |
| 2731 | *attr.rf_bands & WPS_RF_60GHZ)) |
| 2732 | freq = 56160 + 2160 * chan; |
Dmitry Shmidt | cf32e60 | 2014-01-28 10:57:39 -0800 | [diff] [blame] | 2733 | |
| 2734 | if (freq) { |
| 2735 | wpa_printf(MSG_DEBUG, |
| 2736 | "WPS: AP indicated channel %u -> %u MHz", |
| 2737 | chan, freq); |
| 2738 | } |
| 2739 | } |
| 2740 | |
| 2741 | wpa_hexdump(MSG_DEBUG, "WPS: Out-of-Band Device Password", |
| 2742 | attr.oob_dev_password, attr.oob_dev_password_len); |
| 2743 | dev_pw_id = WPA_GET_BE16(attr.oob_dev_password + |
| 2744 | WPS_OOB_PUBKEY_HASH_LEN); |
| 2745 | if (dev_pw_id != DEV_PW_NFC_CONNECTION_HANDOVER) { |
| 2746 | wpa_printf(MSG_DEBUG, "WPS: Unexpected OOB Device Password ID " |
| 2747 | "%u in Wi-Fi Handover Select Message", dev_pw_id); |
| 2748 | ret = -1; |
| 2749 | goto out; |
| 2750 | } |
| 2751 | wpa_hexdump(MSG_DEBUG, "WPS: AP Public Key hash", |
| 2752 | attr.oob_dev_password, WPS_OOB_PUBKEY_HASH_LEN); |
| 2753 | |
| 2754 | ret = wpas_wps_start_nfc(wpa_s, NULL, bssid, NULL, dev_pw_id, 0, |
| 2755 | attr.oob_dev_password, |
| 2756 | attr.ssid, attr.ssid_len, freq); |
| 2757 | |
| 2758 | out: |
| 2759 | wpabuf_free(wps); |
Dmitry Shmidt | d5e4923 | 2012-12-03 15:08:10 -0800 | [diff] [blame] | 2760 | return ret; |
| 2761 | } |
| 2762 | |
Dmitry Shmidt | f862328 | 2013-02-20 14:34:59 -0800 | [diff] [blame] | 2763 | |
| 2764 | int wpas_wps_nfc_report_handover(struct wpa_supplicant *wpa_s, |
| 2765 | const struct wpabuf *req, |
| 2766 | const struct wpabuf *sel) |
| 2767 | { |
| 2768 | wpa_printf(MSG_DEBUG, "NFC: WPS connection handover reported"); |
| 2769 | wpa_hexdump_buf_key(MSG_DEBUG, "WPS: Carrier record in request", req); |
| 2770 | wpa_hexdump_buf_key(MSG_DEBUG, "WPS: Carrier record in select", sel); |
| 2771 | return wpas_wps_nfc_rx_handover_sel(wpa_s, sel); |
| 2772 | } |
| 2773 | |
Dmitry Shmidt | cf32e60 | 2014-01-28 10:57:39 -0800 | [diff] [blame] | 2774 | |
| 2775 | int wpas_er_wps_nfc_report_handover(struct wpa_supplicant *wpa_s, |
| 2776 | const struct wpabuf *req, |
| 2777 | const struct wpabuf *sel) |
| 2778 | { |
| 2779 | struct wpabuf *wps; |
| 2780 | int ret = -1; |
| 2781 | u16 wsc_len; |
| 2782 | const u8 *pos; |
| 2783 | struct wpabuf msg; |
| 2784 | struct wps_parse_attr attr; |
| 2785 | u16 dev_pw_id; |
| 2786 | |
| 2787 | /* |
| 2788 | * Enrollee/station is always initiator of the NFC connection handover, |
| 2789 | * so use the request message here to find Enrollee public key hash. |
| 2790 | */ |
| 2791 | wps = ndef_parse_wifi(req); |
| 2792 | if (wps == NULL) |
| 2793 | return -1; |
| 2794 | wpa_printf(MSG_DEBUG, "WPS: Received application/vnd.wfa.wsc " |
| 2795 | "payload from NFC connection handover"); |
| 2796 | wpa_hexdump_buf(MSG_DEBUG, "WPS: NFC payload", wps); |
| 2797 | if (wpabuf_len(wps) < 2) { |
| 2798 | wpa_printf(MSG_DEBUG, "WPS: Too short Wi-Fi Handover Request " |
| 2799 | "Message"); |
| 2800 | goto out; |
| 2801 | } |
| 2802 | pos = wpabuf_head(wps); |
| 2803 | wsc_len = WPA_GET_BE16(pos); |
| 2804 | if (wsc_len > wpabuf_len(wps) - 2) { |
| 2805 | wpa_printf(MSG_DEBUG, "WPS: Invalid WSC attribute length (%u) " |
| 2806 | "in rt Wi-Fi Handover Request Message", wsc_len); |
| 2807 | goto out; |
| 2808 | } |
| 2809 | pos += 2; |
| 2810 | |
| 2811 | wpa_hexdump(MSG_DEBUG, |
| 2812 | "WPS: WSC attributes in Wi-Fi Handover Request Message", |
| 2813 | pos, wsc_len); |
| 2814 | if (wsc_len < wpabuf_len(wps) - 2) { |
| 2815 | wpa_hexdump(MSG_DEBUG, |
| 2816 | "WPS: Ignore extra data after WSC attributes", |
| 2817 | pos + wsc_len, wpabuf_len(wps) - 2 - wsc_len); |
| 2818 | } |
| 2819 | |
| 2820 | wpabuf_set(&msg, pos, wsc_len); |
| 2821 | ret = wps_parse_msg(&msg, &attr); |
| 2822 | if (ret < 0) { |
| 2823 | wpa_printf(MSG_DEBUG, "WPS: Could not parse WSC attributes in " |
| 2824 | "Wi-Fi Handover Request Message"); |
| 2825 | goto out; |
| 2826 | } |
| 2827 | |
| 2828 | if (attr.oob_dev_password == NULL || |
| 2829 | attr.oob_dev_password_len < WPS_OOB_PUBKEY_HASH_LEN + 2) { |
| 2830 | wpa_printf(MSG_DEBUG, "WPS: No Out-of-Band Device Password " |
| 2831 | "included in Wi-Fi Handover Request Message"); |
| 2832 | ret = -1; |
| 2833 | goto out; |
| 2834 | } |
| 2835 | |
| 2836 | if (attr.uuid_e == NULL) { |
| 2837 | wpa_printf(MSG_DEBUG, "WPS: No UUID-E included in Wi-Fi " |
| 2838 | "Handover Request Message"); |
| 2839 | ret = -1; |
| 2840 | goto out; |
| 2841 | } |
| 2842 | |
| 2843 | wpa_hexdump(MSG_DEBUG, "WPS: UUID-E", attr.uuid_e, WPS_UUID_LEN); |
| 2844 | |
| 2845 | wpa_hexdump(MSG_DEBUG, "WPS: Out-of-Band Device Password", |
| 2846 | attr.oob_dev_password, attr.oob_dev_password_len); |
| 2847 | dev_pw_id = WPA_GET_BE16(attr.oob_dev_password + |
| 2848 | WPS_OOB_PUBKEY_HASH_LEN); |
| 2849 | if (dev_pw_id != DEV_PW_NFC_CONNECTION_HANDOVER) { |
| 2850 | wpa_printf(MSG_DEBUG, "WPS: Unexpected OOB Device Password ID " |
| 2851 | "%u in Wi-Fi Handover Request Message", dev_pw_id); |
| 2852 | ret = -1; |
| 2853 | goto out; |
| 2854 | } |
| 2855 | wpa_hexdump(MSG_DEBUG, "WPS: Enrollee Public Key hash", |
| 2856 | attr.oob_dev_password, WPS_OOB_PUBKEY_HASH_LEN); |
| 2857 | |
| 2858 | ret = wps_registrar_add_nfc_pw_token(wpa_s->wps->registrar, |
| 2859 | attr.oob_dev_password, |
| 2860 | DEV_PW_NFC_CONNECTION_HANDOVER, |
| 2861 | NULL, 0, 1); |
| 2862 | |
| 2863 | out: |
| 2864 | wpabuf_free(wps); |
| 2865 | return ret; |
| 2866 | } |
| 2867 | |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 2868 | #endif /* CONFIG_WPS_NFC */ |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 2869 | |
| 2870 | |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 2871 | static void wpas_wps_dump_ap_info(struct wpa_supplicant *wpa_s) |
| 2872 | { |
| 2873 | size_t i; |
Dmitry Shmidt | fb79edc | 2014-01-10 10:45:54 -0800 | [diff] [blame] | 2874 | struct os_reltime now; |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 2875 | |
| 2876 | if (wpa_debug_level > MSG_DEBUG) |
| 2877 | return; |
| 2878 | |
| 2879 | if (wpa_s->wps_ap == NULL) |
| 2880 | return; |
| 2881 | |
Dmitry Shmidt | fb79edc | 2014-01-10 10:45:54 -0800 | [diff] [blame] | 2882 | os_get_reltime(&now); |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 2883 | |
| 2884 | for (i = 0; i < wpa_s->num_wps_ap; i++) { |
| 2885 | struct wps_ap_info *ap = &wpa_s->wps_ap[i]; |
Hai Shalom | 6084025 | 2021-02-19 19:02:11 -0800 | [diff] [blame^] | 2886 | struct wpa_bssid_ignore *e = wpa_bssid_ignore_get(wpa_s, |
| 2887 | ap->bssid); |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 2888 | |
| 2889 | wpa_printf(MSG_DEBUG, "WPS: AP[%d] " MACSTR " type=%d " |
Hai Shalom | 6084025 | 2021-02-19 19:02:11 -0800 | [diff] [blame^] | 2890 | "tries=%d last_attempt=%d sec ago bssid_ignore=%d", |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 2891 | (int) i, MAC2STR(ap->bssid), ap->type, ap->tries, |
| 2892 | ap->last_attempt.sec > 0 ? |
| 2893 | (int) now.sec - (int) ap->last_attempt.sec : -1, |
| 2894 | e ? e->count : 0); |
| 2895 | } |
| 2896 | } |
| 2897 | |
| 2898 | |
| 2899 | static struct wps_ap_info * wpas_wps_get_ap_info(struct wpa_supplicant *wpa_s, |
| 2900 | const u8 *bssid) |
| 2901 | { |
| 2902 | size_t i; |
| 2903 | |
| 2904 | if (wpa_s->wps_ap == NULL) |
| 2905 | return NULL; |
| 2906 | |
| 2907 | for (i = 0; i < wpa_s->num_wps_ap; i++) { |
| 2908 | struct wps_ap_info *ap = &wpa_s->wps_ap[i]; |
| 2909 | if (os_memcmp(ap->bssid, bssid, ETH_ALEN) == 0) |
| 2910 | return ap; |
| 2911 | } |
| 2912 | |
| 2913 | return NULL; |
| 2914 | } |
| 2915 | |
| 2916 | |
| 2917 | static void wpas_wps_update_ap_info_bss(struct wpa_supplicant *wpa_s, |
| 2918 | struct wpa_scan_res *res) |
| 2919 | { |
| 2920 | struct wpabuf *wps; |
| 2921 | enum wps_ap_info_type type; |
| 2922 | struct wps_ap_info *ap; |
Dmitry Shmidt | a3dc309 | 2015-06-23 11:21:28 -0700 | [diff] [blame] | 2923 | int r, pbc_active; |
| 2924 | const u8 *uuid; |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 2925 | |
| 2926 | if (wpa_scan_get_vendor_ie(res, WPS_IE_VENDOR_TYPE) == NULL) |
| 2927 | return; |
| 2928 | |
| 2929 | wps = wpa_scan_get_vendor_ie_multi(res, WPS_IE_VENDOR_TYPE); |
| 2930 | if (wps == NULL) |
| 2931 | return; |
| 2932 | |
| 2933 | r = wps_is_addr_authorized(wps, wpa_s->own_addr, 1); |
| 2934 | if (r == 2) |
| 2935 | type = WPS_AP_SEL_REG_OUR; |
| 2936 | else if (r == 1) |
| 2937 | type = WPS_AP_SEL_REG; |
| 2938 | else |
| 2939 | type = WPS_AP_NOT_SEL_REG; |
| 2940 | |
Dmitry Shmidt | a3dc309 | 2015-06-23 11:21:28 -0700 | [diff] [blame] | 2941 | uuid = wps_get_uuid_e(wps); |
| 2942 | pbc_active = wps_is_selected_pbc_registrar(wps); |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 2943 | |
| 2944 | ap = wpas_wps_get_ap_info(wpa_s, res->bssid); |
| 2945 | if (ap) { |
| 2946 | if (ap->type != type) { |
| 2947 | wpa_printf(MSG_DEBUG, "WPS: AP " MACSTR |
| 2948 | " changed type %d -> %d", |
| 2949 | MAC2STR(res->bssid), ap->type, type); |
| 2950 | ap->type = type; |
| 2951 | if (type != WPS_AP_NOT_SEL_REG) |
Hai Shalom | 6084025 | 2021-02-19 19:02:11 -0800 | [diff] [blame^] | 2952 | wpa_bssid_ignore_del(wpa_s, ap->bssid); |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 2953 | } |
Dmitry Shmidt | a3dc309 | 2015-06-23 11:21:28 -0700 | [diff] [blame] | 2954 | ap->pbc_active = pbc_active; |
| 2955 | if (uuid) |
| 2956 | os_memcpy(ap->uuid, uuid, WPS_UUID_LEN); |
| 2957 | goto out; |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 2958 | } |
| 2959 | |
| 2960 | ap = os_realloc_array(wpa_s->wps_ap, wpa_s->num_wps_ap + 1, |
| 2961 | sizeof(struct wps_ap_info)); |
| 2962 | if (ap == NULL) |
Dmitry Shmidt | a3dc309 | 2015-06-23 11:21:28 -0700 | [diff] [blame] | 2963 | goto out; |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 2964 | |
| 2965 | wpa_s->wps_ap = ap; |
| 2966 | ap = &wpa_s->wps_ap[wpa_s->num_wps_ap]; |
| 2967 | wpa_s->num_wps_ap++; |
| 2968 | |
| 2969 | os_memset(ap, 0, sizeof(*ap)); |
| 2970 | os_memcpy(ap->bssid, res->bssid, ETH_ALEN); |
| 2971 | ap->type = type; |
Dmitry Shmidt | a3dc309 | 2015-06-23 11:21:28 -0700 | [diff] [blame] | 2972 | ap->pbc_active = pbc_active; |
| 2973 | if (uuid) |
| 2974 | os_memcpy(ap->uuid, uuid, WPS_UUID_LEN); |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 2975 | wpa_printf(MSG_DEBUG, "WPS: AP " MACSTR " type %d added", |
| 2976 | MAC2STR(ap->bssid), ap->type); |
Dmitry Shmidt | a3dc309 | 2015-06-23 11:21:28 -0700 | [diff] [blame] | 2977 | |
| 2978 | out: |
| 2979 | wpabuf_free(wps); |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 2980 | } |
| 2981 | |
| 2982 | |
| 2983 | void wpas_wps_update_ap_info(struct wpa_supplicant *wpa_s, |
| 2984 | struct wpa_scan_results *scan_res) |
| 2985 | { |
| 2986 | size_t i; |
| 2987 | |
| 2988 | for (i = 0; i < scan_res->num; i++) |
| 2989 | wpas_wps_update_ap_info_bss(wpa_s, scan_res->res[i]); |
| 2990 | |
| 2991 | wpas_wps_dump_ap_info(wpa_s); |
| 2992 | } |
| 2993 | |
| 2994 | |
| 2995 | void wpas_wps_notify_assoc(struct wpa_supplicant *wpa_s, const u8 *bssid) |
| 2996 | { |
| 2997 | struct wps_ap_info *ap; |
Dmitry Shmidt | 051af73 | 2013-10-22 13:52:46 -0700 | [diff] [blame] | 2998 | |
| 2999 | wpa_s->after_wps = 0; |
| 3000 | |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 3001 | if (!wpa_s->wps_ap_iter) |
| 3002 | return; |
| 3003 | ap = wpas_wps_get_ap_info(wpa_s, bssid); |
| 3004 | if (ap == NULL) |
| 3005 | return; |
| 3006 | ap->tries++; |
Dmitry Shmidt | fb79edc | 2014-01-10 10:45:54 -0800 | [diff] [blame] | 3007 | os_get_reltime(&ap->last_attempt); |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 3008 | } |