Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 1 | /* |
| 2 | * wpa_supplicant - DPP |
| 3 | * Copyright (c) 2017, Qualcomm Atheros, Inc. |
Hai Shalom | fdcde76 | 2020-04-02 11:19:20 -0700 | [diff] [blame] | 4 | * Copyright (c) 2018-2020, The Linux Foundation |
Hai Shalom | a20dcd7 | 2022-02-04 13:43:00 -0800 | [diff] [blame] | 5 | * Copyright (c) 2021-2022, Qualcomm Innovation Center, Inc. |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 6 | * |
| 7 | * This software may be distributed under the terms of the BSD license. |
| 8 | * See README for more details. |
| 9 | */ |
| 10 | |
| 11 | #include "utils/includes.h" |
| 12 | |
| 13 | #include "utils/common.h" |
| 14 | #include "utils/eloop.h" |
Hai Shalom | 81f62d8 | 2019-07-22 12:10:00 -0700 | [diff] [blame] | 15 | #include "utils/ip_addr.h" |
Hai Shalom | 899fcc7 | 2020-10-19 14:38:18 -0700 | [diff] [blame] | 16 | #include "utils/base64.h" |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 17 | #include "common/dpp.h" |
| 18 | #include "common/gas.h" |
| 19 | #include "common/gas_server.h" |
Sunil Ravi | 89eba10 | 2022-09-13 21:04:37 -0700 | [diff] [blame] | 20 | #include "crypto/random.h" |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 21 | #include "rsn_supp/wpa.h" |
| 22 | #include "rsn_supp/pmksa_cache.h" |
| 23 | #include "wpa_supplicant_i.h" |
| 24 | #include "config.h" |
| 25 | #include "driver_i.h" |
| 26 | #include "offchannel.h" |
| 27 | #include "gas_query.h" |
| 28 | #include "bss.h" |
| 29 | #include "scan.h" |
| 30 | #include "notify.h" |
| 31 | #include "dpp_supplicant.h" |
Gabriel Biren | 3c401c5 | 2024-10-10 20:11:18 +0000 | [diff] [blame] | 32 | #include "aidl/vendor/aidl.h" |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 33 | |
| 34 | |
| 35 | static int wpas_dpp_listen_start(struct wpa_supplicant *wpa_s, |
| 36 | unsigned int freq); |
| 37 | static void wpas_dpp_reply_wait_timeout(void *eloop_ctx, void *timeout_ctx); |
Hai Shalom | 6084025 | 2021-02-19 19:02:11 -0800 | [diff] [blame] | 38 | static void wpas_dpp_auth_conf_wait_timeout(void *eloop_ctx, void *timeout_ctx); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 39 | static void wpas_dpp_auth_success(struct wpa_supplicant *wpa_s, int initiator); |
| 40 | static void wpas_dpp_tx_status(struct wpa_supplicant *wpa_s, |
| 41 | unsigned int freq, const u8 *dst, |
| 42 | const u8 *src, const u8 *bssid, |
| 43 | const u8 *data, size_t data_len, |
| 44 | enum offchannel_send_action_result result); |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 45 | static void wpas_dpp_init_timeout(void *eloop_ctx, void *timeout_ctx); |
| 46 | static int wpas_dpp_auth_init_next(struct wpa_supplicant *wpa_s); |
| 47 | static void |
| 48 | wpas_dpp_tx_pkex_status(struct wpa_supplicant *wpa_s, |
| 49 | unsigned int freq, const u8 *dst, |
| 50 | const u8 *src, const u8 *bssid, |
| 51 | const u8 *data, size_t data_len, |
| 52 | enum offchannel_send_action_result result); |
Hai Shalom | a20dcd7 | 2022-02-04 13:43:00 -0800 | [diff] [blame] | 53 | static void wpas_dpp_gas_client_timeout(void *eloop_ctx, void *timeout_ctx); |
Hai Shalom | 4fbc08f | 2020-05-18 12:37:00 -0700 | [diff] [blame] | 54 | #ifdef CONFIG_DPP2 |
| 55 | static void wpas_dpp_reconfig_reply_wait_timeout(void *eloop_ctx, |
| 56 | void *timeout_ctx); |
Hai Shalom | 899fcc7 | 2020-10-19 14:38:18 -0700 | [diff] [blame] | 57 | static void wpas_dpp_start_gas_client(struct wpa_supplicant *wpa_s); |
| 58 | static int wpas_dpp_process_conf_obj(void *ctx, |
| 59 | struct dpp_authentication *auth); |
Hai Shalom | a20dcd7 | 2022-02-04 13:43:00 -0800 | [diff] [blame] | 60 | static bool wpas_dpp_tcp_msg_sent(void *ctx, struct dpp_authentication *auth); |
Hai Shalom | 4fbc08f | 2020-05-18 12:37:00 -0700 | [diff] [blame] | 61 | #endif /* CONFIG_DPP2 */ |
Sunil Ravi | 79e6c4f | 2025-01-04 00:47:06 +0000 | [diff] [blame] | 62 | #ifdef CONFIG_DPP3 |
| 63 | static void wpas_dpp_pb_next(void *eloop_ctx, void *timeout_ctx); |
| 64 | #endif /* CONFIG_DPP3 */ |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 65 | |
| 66 | static const u8 broadcast[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; |
| 67 | |
| 68 | /* Use a hardcoded Transaction ID 1 in Peer Discovery frames since there is only |
| 69 | * a single transaction in progress at any point in time. */ |
| 70 | static const u8 TRANSACTION_ID = 1; |
| 71 | |
| 72 | |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 73 | /** |
| 74 | * wpas_dpp_qr_code - Parse and add DPP bootstrapping info from a QR Code |
| 75 | * @wpa_s: Pointer to wpa_supplicant data |
| 76 | * @cmd: DPP URI read from a QR Code |
| 77 | * Returns: Identifier of the stored info or -1 on failure |
| 78 | */ |
| 79 | int wpas_dpp_qr_code(struct wpa_supplicant *wpa_s, const char *cmd) |
| 80 | { |
| 81 | struct dpp_bootstrap_info *bi; |
| 82 | struct dpp_authentication *auth = wpa_s->dpp_auth; |
| 83 | |
Hai Shalom | 021b0b5 | 2019-04-10 11:17:58 -0700 | [diff] [blame] | 84 | bi = dpp_add_qr_code(wpa_s->dpp, cmd); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 85 | if (!bi) |
| 86 | return -1; |
| 87 | |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 88 | if (auth && auth->response_pending && |
| 89 | dpp_notify_new_qr_code(auth, bi) == 1) { |
| 90 | wpa_printf(MSG_DEBUG, |
| 91 | "DPP: Sending out pending authentication response"); |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 92 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_TX "dst=" MACSTR |
| 93 | " freq=%u type=%d", |
| 94 | MAC2STR(auth->peer_mac_addr), auth->curr_freq, |
| 95 | DPP_PA_AUTHENTICATION_RESP); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 96 | offchannel_send_action(wpa_s, auth->curr_freq, |
| 97 | auth->peer_mac_addr, wpa_s->own_addr, |
| 98 | broadcast, |
| 99 | wpabuf_head(auth->resp_msg), |
| 100 | wpabuf_len(auth->resp_msg), |
| 101 | 500, wpas_dpp_tx_status, 0); |
| 102 | } |
| 103 | |
Hai Shalom | 899fcc7 | 2020-10-19 14:38:18 -0700 | [diff] [blame] | 104 | #ifdef CONFIG_DPP2 |
| 105 | dpp_controller_new_qr_code(wpa_s->dpp, bi); |
| 106 | #endif /* CONFIG_DPP2 */ |
| 107 | |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 108 | return bi->id; |
| 109 | } |
| 110 | |
| 111 | |
Ahmed ElArabawy | 0ff61c5 | 2019-12-26 12:38:39 -0800 | [diff] [blame] | 112 | /** |
| 113 | * wpas_dpp_nfc_uri - Parse and add DPP bootstrapping info from NFC Tag (URI) |
| 114 | * @wpa_s: Pointer to wpa_supplicant data |
| 115 | * @cmd: DPP URI read from a NFC Tag (URI NDEF message) |
| 116 | * Returns: Identifier of the stored info or -1 on failure |
| 117 | */ |
| 118 | int wpas_dpp_nfc_uri(struct wpa_supplicant *wpa_s, const char *cmd) |
| 119 | { |
| 120 | struct dpp_bootstrap_info *bi; |
| 121 | |
| 122 | bi = dpp_add_nfc_uri(wpa_s->dpp, cmd); |
| 123 | if (!bi) |
| 124 | return -1; |
| 125 | |
| 126 | return bi->id; |
| 127 | } |
| 128 | |
| 129 | |
Hai Shalom | fdcde76 | 2020-04-02 11:19:20 -0700 | [diff] [blame] | 130 | int wpas_dpp_nfc_handover_req(struct wpa_supplicant *wpa_s, const char *cmd) |
| 131 | { |
| 132 | const char *pos; |
| 133 | struct dpp_bootstrap_info *peer_bi, *own_bi; |
| 134 | |
| 135 | pos = os_strstr(cmd, " own="); |
| 136 | if (!pos) |
| 137 | return -1; |
| 138 | pos += 5; |
| 139 | own_bi = dpp_bootstrap_get_id(wpa_s->dpp, atoi(pos)); |
| 140 | if (!own_bi) |
| 141 | return -1; |
Hai Shalom | b755a2a | 2020-04-23 21:49:02 -0700 | [diff] [blame] | 142 | own_bi->nfc_negotiated = 1; |
Hai Shalom | fdcde76 | 2020-04-02 11:19:20 -0700 | [diff] [blame] | 143 | |
| 144 | pos = os_strstr(cmd, " uri="); |
| 145 | if (!pos) |
| 146 | return -1; |
| 147 | pos += 5; |
| 148 | peer_bi = dpp_add_nfc_uri(wpa_s->dpp, pos); |
| 149 | if (!peer_bi) { |
| 150 | wpa_printf(MSG_INFO, |
| 151 | "DPP: Failed to parse URI from NFC Handover Request"); |
| 152 | return -1; |
| 153 | } |
| 154 | |
| 155 | if (dpp_nfc_update_bi(own_bi, peer_bi) < 0) |
| 156 | return -1; |
| 157 | |
| 158 | return peer_bi->id; |
| 159 | } |
| 160 | |
| 161 | |
| 162 | int wpas_dpp_nfc_handover_sel(struct wpa_supplicant *wpa_s, const char *cmd) |
| 163 | { |
| 164 | const char *pos; |
| 165 | struct dpp_bootstrap_info *peer_bi, *own_bi; |
| 166 | |
| 167 | pos = os_strstr(cmd, " own="); |
| 168 | if (!pos) |
| 169 | return -1; |
| 170 | pos += 5; |
| 171 | own_bi = dpp_bootstrap_get_id(wpa_s->dpp, atoi(pos)); |
| 172 | if (!own_bi) |
| 173 | return -1; |
Hai Shalom | b755a2a | 2020-04-23 21:49:02 -0700 | [diff] [blame] | 174 | own_bi->nfc_negotiated = 1; |
Hai Shalom | fdcde76 | 2020-04-02 11:19:20 -0700 | [diff] [blame] | 175 | |
| 176 | pos = os_strstr(cmd, " uri="); |
| 177 | if (!pos) |
| 178 | return -1; |
| 179 | pos += 5; |
| 180 | peer_bi = dpp_add_nfc_uri(wpa_s->dpp, pos); |
| 181 | if (!peer_bi) { |
| 182 | wpa_printf(MSG_INFO, |
| 183 | "DPP: Failed to parse URI from NFC Handover Select"); |
| 184 | return -1; |
| 185 | } |
| 186 | |
| 187 | if (peer_bi->curve != own_bi->curve) { |
| 188 | wpa_printf(MSG_INFO, |
| 189 | "DPP: Peer (NFC Handover Selector) used different curve"); |
| 190 | return -1; |
| 191 | } |
| 192 | |
| 193 | return peer_bi->id; |
| 194 | } |
| 195 | |
| 196 | |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 197 | static void wpas_dpp_auth_resp_retry_timeout(void *eloop_ctx, void *timeout_ctx) |
| 198 | { |
| 199 | struct wpa_supplicant *wpa_s = eloop_ctx; |
| 200 | struct dpp_authentication *auth = wpa_s->dpp_auth; |
| 201 | |
| 202 | if (!auth || !auth->resp_msg) |
| 203 | return; |
| 204 | |
| 205 | wpa_printf(MSG_DEBUG, |
| 206 | "DPP: Retry Authentication Response after timeout"); |
| 207 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_TX "dst=" MACSTR |
| 208 | " freq=%u type=%d", |
| 209 | MAC2STR(auth->peer_mac_addr), auth->curr_freq, |
| 210 | DPP_PA_AUTHENTICATION_RESP); |
| 211 | offchannel_send_action(wpa_s, auth->curr_freq, auth->peer_mac_addr, |
| 212 | wpa_s->own_addr, broadcast, |
| 213 | wpabuf_head(auth->resp_msg), |
| 214 | wpabuf_len(auth->resp_msg), |
| 215 | 500, wpas_dpp_tx_status, 0); |
| 216 | } |
| 217 | |
| 218 | |
| 219 | static void wpas_dpp_auth_resp_retry(struct wpa_supplicant *wpa_s) |
| 220 | { |
| 221 | struct dpp_authentication *auth = wpa_s->dpp_auth; |
| 222 | unsigned int wait_time, max_tries; |
| 223 | |
| 224 | if (!auth || !auth->resp_msg) |
| 225 | return; |
| 226 | |
| 227 | if (wpa_s->dpp_resp_max_tries) |
| 228 | max_tries = wpa_s->dpp_resp_max_tries; |
| 229 | else |
| 230 | max_tries = 5; |
| 231 | auth->auth_resp_tries++; |
| 232 | if (auth->auth_resp_tries >= max_tries) { |
| 233 | wpa_printf(MSG_INFO, "DPP: No confirm received from initiator - stopping exchange"); |
| 234 | offchannel_send_action_done(wpa_s); |
| 235 | dpp_auth_deinit(wpa_s->dpp_auth); |
| 236 | wpa_s->dpp_auth = NULL; |
| 237 | return; |
| 238 | } |
| 239 | |
| 240 | if (wpa_s->dpp_resp_retry_time) |
| 241 | wait_time = wpa_s->dpp_resp_retry_time; |
| 242 | else |
| 243 | wait_time = 1000; |
Sunil Ravi | 99c035e | 2024-07-12 01:42:03 +0000 | [diff] [blame] | 244 | if (wpa_s->dpp_tx_chan_change) { |
| 245 | wpa_s->dpp_tx_chan_change = false; |
| 246 | if (wait_time > 100) |
| 247 | wait_time = 100; |
| 248 | } |
| 249 | |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 250 | wpa_printf(MSG_DEBUG, |
| 251 | "DPP: Schedule retransmission of Authentication Response frame in %u ms", |
| 252 | wait_time); |
| 253 | eloop_cancel_timeout(wpas_dpp_auth_resp_retry_timeout, wpa_s, NULL); |
| 254 | eloop_register_timeout(wait_time / 1000, |
| 255 | (wait_time % 1000) * 1000, |
| 256 | wpas_dpp_auth_resp_retry_timeout, wpa_s, NULL); |
| 257 | } |
| 258 | |
| 259 | |
Hai Shalom | 021b0b5 | 2019-04-10 11:17:58 -0700 | [diff] [blame] | 260 | static void wpas_dpp_try_to_connect(struct wpa_supplicant *wpa_s) |
| 261 | { |
| 262 | wpa_printf(MSG_DEBUG, "DPP: Trying to connect to the new network"); |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 263 | wpa_s->suitable_network = 0; |
| 264 | wpa_s->no_suitable_network = 0; |
Hai Shalom | 021b0b5 | 2019-04-10 11:17:58 -0700 | [diff] [blame] | 265 | wpa_s->disconnected = 0; |
| 266 | wpa_s->reassociate = 1; |
| 267 | wpa_s->scan_runs = 0; |
| 268 | wpa_s->normal_scans = 0; |
| 269 | wpa_supplicant_cancel_sched_scan(wpa_s); |
| 270 | wpa_supplicant_req_scan(wpa_s, 0, 0); |
| 271 | } |
| 272 | |
| 273 | |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 274 | #ifdef CONFIG_DPP2 |
| 275 | |
Hai Shalom | 4fbc08f | 2020-05-18 12:37:00 -0700 | [diff] [blame] | 276 | static void wpas_dpp_stop_listen_for_tx(struct wpa_supplicant *wpa_s, |
| 277 | unsigned int freq, |
| 278 | unsigned int wait_time) |
| 279 | { |
| 280 | struct os_reltime now, res; |
| 281 | unsigned int remaining; |
| 282 | |
| 283 | if (!wpa_s->dpp_listen_freq) |
| 284 | return; |
| 285 | |
| 286 | os_get_reltime(&now); |
| 287 | if (os_reltime_before(&now, &wpa_s->dpp_listen_end)) { |
| 288 | os_reltime_sub(&wpa_s->dpp_listen_end, &now, &res); |
| 289 | remaining = res.sec * 1000 + res.usec / 1000; |
| 290 | } else { |
| 291 | remaining = 0; |
| 292 | } |
| 293 | if (wpa_s->dpp_listen_freq == freq && remaining > wait_time) |
| 294 | return; |
| 295 | |
| 296 | wpa_printf(MSG_DEBUG, |
| 297 | "DPP: Stop listen on %u MHz ending in %u ms to allow immediate TX on %u MHz for %u ms", |
| 298 | wpa_s->dpp_listen_freq, remaining, freq, wait_time); |
| 299 | wpas_dpp_listen_stop(wpa_s); |
| 300 | |
| 301 | /* TODO: Restart listen in some cases after TX? */ |
| 302 | } |
| 303 | |
| 304 | |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 305 | static void wpas_dpp_conn_status_result_timeout(void *eloop_ctx, |
| 306 | void *timeout_ctx) |
| 307 | { |
| 308 | struct wpa_supplicant *wpa_s = eloop_ctx; |
| 309 | struct dpp_authentication *auth = wpa_s->dpp_auth; |
| 310 | enum dpp_status_error result; |
| 311 | |
Hai Shalom | a20dcd7 | 2022-02-04 13:43:00 -0800 | [diff] [blame] | 312 | if ((!auth || !auth->conn_status_requested) && |
| 313 | !dpp_tcp_conn_status_requested(wpa_s->dpp)) |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 314 | return; |
| 315 | |
| 316 | wpa_printf(MSG_DEBUG, |
| 317 | "DPP: Connection timeout - report Connection Status Result"); |
| 318 | if (wpa_s->suitable_network) |
| 319 | result = DPP_STATUS_AUTH_FAILURE; |
| 320 | else if (wpa_s->no_suitable_network) |
| 321 | result = DPP_STATUS_NO_AP; |
| 322 | else |
| 323 | result = 255; /* What to report here for unexpected state? */ |
Ahmed ElArabawy | 0ff61c5 | 2019-12-26 12:38:39 -0800 | [diff] [blame] | 324 | if (wpa_s->wpa_state == WPA_SCANNING) |
| 325 | wpas_abort_ongoing_scan(wpa_s); |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 326 | wpas_dpp_send_conn_status_result(wpa_s, result); |
| 327 | } |
| 328 | |
| 329 | |
| 330 | static char * wpas_dpp_scan_channel_list(struct wpa_supplicant *wpa_s) |
| 331 | { |
| 332 | char *str, *end, *pos; |
| 333 | size_t len; |
| 334 | unsigned int i; |
| 335 | u8 last_op_class = 0; |
| 336 | int res; |
| 337 | |
| 338 | if (!wpa_s->last_scan_freqs || !wpa_s->num_last_scan_freqs) |
| 339 | return NULL; |
| 340 | |
| 341 | len = wpa_s->num_last_scan_freqs * 8; |
| 342 | str = os_zalloc(len); |
| 343 | if (!str) |
| 344 | return NULL; |
| 345 | end = str + len; |
| 346 | pos = str; |
| 347 | |
| 348 | for (i = 0; i < wpa_s->num_last_scan_freqs; i++) { |
| 349 | enum hostapd_hw_mode mode; |
| 350 | u8 op_class, channel; |
| 351 | |
| 352 | mode = ieee80211_freq_to_channel_ext(wpa_s->last_scan_freqs[i], |
| 353 | 0, 0, &op_class, &channel); |
| 354 | if (mode == NUM_HOSTAPD_MODES) |
| 355 | continue; |
| 356 | if (op_class == last_op_class) |
| 357 | res = os_snprintf(pos, end - pos, ",%d", channel); |
| 358 | else |
| 359 | res = os_snprintf(pos, end - pos, "%s%d/%d", |
| 360 | pos == str ? "" : ",", |
| 361 | op_class, channel); |
| 362 | if (os_snprintf_error(end - pos, res)) { |
| 363 | *pos = '\0'; |
| 364 | break; |
| 365 | } |
| 366 | pos += res; |
| 367 | last_op_class = op_class; |
| 368 | } |
| 369 | |
| 370 | if (pos == str) { |
| 371 | os_free(str); |
| 372 | str = NULL; |
| 373 | } |
| 374 | return str; |
| 375 | } |
| 376 | |
| 377 | |
| 378 | void wpas_dpp_send_conn_status_result(struct wpa_supplicant *wpa_s, |
| 379 | enum dpp_status_error result) |
| 380 | { |
| 381 | struct wpabuf *msg; |
| 382 | const char *channel_list = NULL; |
| 383 | char *channel_list_buf = NULL; |
| 384 | struct wpa_ssid *ssid = wpa_s->current_ssid; |
| 385 | struct dpp_authentication *auth = wpa_s->dpp_auth; |
| 386 | |
| 387 | eloop_cancel_timeout(wpas_dpp_conn_status_result_timeout, wpa_s, NULL); |
| 388 | |
Hai Shalom | a20dcd7 | 2022-02-04 13:43:00 -0800 | [diff] [blame] | 389 | if ((!auth || !auth->conn_status_requested) && |
| 390 | !dpp_tcp_conn_status_requested(wpa_s->dpp)) |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 391 | return; |
Hai Shalom | a20dcd7 | 2022-02-04 13:43:00 -0800 | [diff] [blame] | 392 | |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 393 | wpa_printf(MSG_DEBUG, "DPP: Report connection status result %d", |
| 394 | result); |
| 395 | |
| 396 | if (result == DPP_STATUS_NO_AP) { |
| 397 | channel_list_buf = wpas_dpp_scan_channel_list(wpa_s); |
| 398 | channel_list = channel_list_buf; |
| 399 | } |
| 400 | |
Hai Shalom | a20dcd7 | 2022-02-04 13:43:00 -0800 | [diff] [blame] | 401 | if (!auth || !auth->conn_status_requested) { |
| 402 | dpp_tcp_send_conn_status(wpa_s->dpp, result, |
| 403 | ssid ? ssid->ssid : |
| 404 | wpa_s->dpp_last_ssid, |
| 405 | ssid ? ssid->ssid_len : |
| 406 | wpa_s->dpp_last_ssid_len, |
| 407 | channel_list); |
| 408 | os_free(channel_list_buf); |
| 409 | return; |
| 410 | } |
| 411 | |
| 412 | auth->conn_status_requested = 0; |
| 413 | |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 414 | msg = dpp_build_conn_status_result(auth, result, |
| 415 | ssid ? ssid->ssid : |
| 416 | wpa_s->dpp_last_ssid, |
| 417 | ssid ? ssid->ssid_len : |
| 418 | wpa_s->dpp_last_ssid_len, |
| 419 | channel_list); |
| 420 | os_free(channel_list_buf); |
| 421 | if (!msg) { |
| 422 | dpp_auth_deinit(wpa_s->dpp_auth); |
| 423 | wpa_s->dpp_auth = NULL; |
| 424 | return; |
| 425 | } |
| 426 | |
| 427 | wpa_msg(wpa_s, MSG_INFO, |
| 428 | DPP_EVENT_TX "dst=" MACSTR " freq=%u type=%d", |
| 429 | MAC2STR(auth->peer_mac_addr), auth->curr_freq, |
| 430 | DPP_PA_CONNECTION_STATUS_RESULT); |
Sunil Ravi | 546a7b5 | 2022-08-26 22:06:04 +0000 | [diff] [blame] | 431 | if (offchannel_send_action(wpa_s, auth->curr_freq, |
| 432 | auth->peer_mac_addr, wpa_s->own_addr, broadcast, |
| 433 | wpabuf_head(msg), wpabuf_len(msg), |
| 434 | 500, wpas_dpp_tx_status, 0) < 0) { |
| 435 | wpas_notify_dpp_connection_status_sent(wpa_s, result); |
| 436 | wpabuf_free(msg); |
| 437 | dpp_auth_deinit(wpa_s->dpp_auth); |
| 438 | wpa_s->dpp_auth = NULL; |
| 439 | return; |
| 440 | } |
| 441 | |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 442 | wpabuf_free(msg); |
| 443 | |
Sunil Ravi | 546a7b5 | 2022-08-26 22:06:04 +0000 | [diff] [blame] | 444 | auth->conn_result_status = result; |
| 445 | auth->tx_conn_status_result_started = 1; |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 446 | /* This exchange will be terminated in the TX status handler */ |
| 447 | auth->remove_on_tx_status = 1; |
| 448 | |
| 449 | return; |
| 450 | } |
| 451 | |
| 452 | |
Sunil Ravi | 2a14cf1 | 2023-11-21 00:54:38 +0000 | [diff] [blame] | 453 | static void wpas_dpp_connected_timeout(void *eloop_ctx, void *timeout_ctx) |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 454 | { |
Sunil Ravi | 2a14cf1 | 2023-11-21 00:54:38 +0000 | [diff] [blame] | 455 | struct wpa_supplicant *wpa_s = eloop_ctx; |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 456 | struct dpp_authentication *auth = wpa_s->dpp_auth; |
| 457 | |
Hai Shalom | a20dcd7 | 2022-02-04 13:43:00 -0800 | [diff] [blame] | 458 | if ((auth && auth->conn_status_requested) || |
| 459 | dpp_tcp_conn_status_requested(wpa_s->dpp)) |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 460 | wpas_dpp_send_conn_status_result(wpa_s, DPP_STATUS_OK); |
| 461 | } |
| 462 | |
Sunil Ravi | 2a14cf1 | 2023-11-21 00:54:38 +0000 | [diff] [blame] | 463 | |
| 464 | void wpas_dpp_connected(struct wpa_supplicant *wpa_s) |
| 465 | { |
| 466 | struct dpp_authentication *auth = wpa_s->dpp_auth; |
| 467 | |
| 468 | if ((auth && auth->conn_status_requested) || |
| 469 | dpp_tcp_conn_status_requested(wpa_s->dpp)) { |
| 470 | /* Report connection result from an eloop timeout to avoid delay |
| 471 | * to completing all connection completion steps since this |
| 472 | * function is called in a middle of the post 4-way handshake |
| 473 | * processing. */ |
| 474 | eloop_register_timeout(0, 0, wpas_dpp_connected_timeout, |
| 475 | wpa_s, NULL); |
| 476 | } |
| 477 | } |
| 478 | |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 479 | #endif /* CONFIG_DPP2 */ |
| 480 | |
| 481 | |
Sunil Ravi | 2a14cf1 | 2023-11-21 00:54:38 +0000 | [diff] [blame] | 482 | static void wpas_dpp_drv_wait_timeout(void *eloop_ctx, void *timeout_ctx) |
| 483 | { |
| 484 | struct wpa_supplicant *wpa_s = eloop_ctx; |
| 485 | struct dpp_authentication *auth = wpa_s->dpp_auth; |
| 486 | |
| 487 | if (auth && auth->waiting_auth_resp) { |
| 488 | wpa_printf(MSG_DEBUG, |
| 489 | "DPP: Call wpas_dpp_auth_init_next() from %s", |
| 490 | __func__); |
| 491 | wpas_dpp_auth_init_next(wpa_s); |
| 492 | } else { |
| 493 | wpa_printf(MSG_DEBUG, "DPP: %s, but no waiting_auth_resp", |
| 494 | __func__); |
| 495 | } |
| 496 | } |
| 497 | |
| 498 | |
Sunil Ravi | 99c035e | 2024-07-12 01:42:03 +0000 | [diff] [blame] | 499 | static void wpas_dpp_neg_freq_timeout(void *eloop_ctx, void *timeout_ctx) |
| 500 | { |
| 501 | struct wpa_supplicant *wpa_s = eloop_ctx; |
| 502 | struct dpp_authentication *auth = wpa_s->dpp_auth; |
| 503 | |
| 504 | if (!wpa_s->dpp_listen_on_tx_expire || !auth || !auth->neg_freq) |
| 505 | return; |
| 506 | |
| 507 | wpa_printf(MSG_DEBUG, |
| 508 | "DPP: Start listen on neg_freq %u MHz based on timeout for TX wait expiration", |
| 509 | auth->neg_freq); |
| 510 | wpas_dpp_listen_start(wpa_s, auth->neg_freq); |
| 511 | } |
| 512 | |
| 513 | |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 514 | static void wpas_dpp_tx_status(struct wpa_supplicant *wpa_s, |
| 515 | unsigned int freq, const u8 *dst, |
| 516 | const u8 *src, const u8 *bssid, |
| 517 | const u8 *data, size_t data_len, |
| 518 | enum offchannel_send_action_result result) |
| 519 | { |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 520 | const char *res_txt; |
| 521 | struct dpp_authentication *auth = wpa_s->dpp_auth; |
| 522 | |
| 523 | res_txt = result == OFFCHANNEL_SEND_ACTION_SUCCESS ? "SUCCESS" : |
| 524 | (result == OFFCHANNEL_SEND_ACTION_NO_ACK ? "no-ACK" : |
| 525 | "FAILED"); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 526 | wpa_printf(MSG_DEBUG, "DPP: TX status: freq=%u dst=" MACSTR |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 527 | " result=%s", freq, MAC2STR(dst), res_txt); |
| 528 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_TX_STATUS "dst=" MACSTR |
| 529 | " freq=%u result=%s", MAC2STR(dst), freq, res_txt); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 530 | |
| 531 | if (!wpa_s->dpp_auth) { |
| 532 | wpa_printf(MSG_DEBUG, |
| 533 | "DPP: Ignore TX status since there is no ongoing authentication exchange"); |
| 534 | return; |
| 535 | } |
| 536 | |
Hai Shalom | 021b0b5 | 2019-04-10 11:17:58 -0700 | [diff] [blame] | 537 | #ifdef CONFIG_DPP2 |
| 538 | if (auth->connect_on_tx_status) { |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 539 | auth->connect_on_tx_status = 0; |
Hai Shalom | 021b0b5 | 2019-04-10 11:17:58 -0700 | [diff] [blame] | 540 | wpa_printf(MSG_DEBUG, |
| 541 | "DPP: Try to connect after completed configuration result"); |
| 542 | wpas_dpp_try_to_connect(wpa_s); |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 543 | if (auth->conn_status_requested) { |
| 544 | wpa_printf(MSG_DEBUG, |
| 545 | "DPP: Start 15 second timeout for reporting connection status result"); |
| 546 | eloop_cancel_timeout( |
| 547 | wpas_dpp_conn_status_result_timeout, |
| 548 | wpa_s, NULL); |
| 549 | eloop_register_timeout( |
| 550 | 15, 0, wpas_dpp_conn_status_result_timeout, |
| 551 | wpa_s, NULL); |
| 552 | } else { |
| 553 | dpp_auth_deinit(wpa_s->dpp_auth); |
| 554 | wpa_s->dpp_auth = NULL; |
| 555 | } |
Hai Shalom | 021b0b5 | 2019-04-10 11:17:58 -0700 | [diff] [blame] | 556 | return; |
| 557 | } |
| 558 | #endif /* CONFIG_DPP2 */ |
| 559 | |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 560 | if (wpa_s->dpp_auth->remove_on_tx_status) { |
Sunil Ravi | 546a7b5 | 2022-08-26 22:06:04 +0000 | [diff] [blame] | 561 | if (auth->tx_conn_status_result_started) { |
| 562 | wpas_notify_dpp_connection_status_sent(wpa_s, auth->conn_result_status); |
| 563 | } |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 564 | wpa_printf(MSG_DEBUG, |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 565 | "DPP: Terminate authentication exchange due to a request to do so on TX status"); |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 566 | eloop_cancel_timeout(wpas_dpp_init_timeout, wpa_s, NULL); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 567 | eloop_cancel_timeout(wpas_dpp_reply_wait_timeout, wpa_s, NULL); |
Hai Shalom | 6084025 | 2021-02-19 19:02:11 -0800 | [diff] [blame] | 568 | eloop_cancel_timeout(wpas_dpp_auth_conf_wait_timeout, wpa_s, |
| 569 | NULL); |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 570 | eloop_cancel_timeout(wpas_dpp_auth_resp_retry_timeout, wpa_s, |
| 571 | NULL); |
Hai Shalom | 4fbc08f | 2020-05-18 12:37:00 -0700 | [diff] [blame] | 572 | #ifdef CONFIG_DPP2 |
| 573 | eloop_cancel_timeout(wpas_dpp_reconfig_reply_wait_timeout, |
| 574 | wpa_s, NULL); |
| 575 | #endif /* CONFIG_DPP2 */ |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 576 | offchannel_send_action_done(wpa_s); |
| 577 | dpp_auth_deinit(wpa_s->dpp_auth); |
| 578 | wpa_s->dpp_auth = NULL; |
| 579 | return; |
| 580 | } |
| 581 | |
| 582 | if (wpa_s->dpp_auth_ok_on_ack) |
| 583 | wpas_dpp_auth_success(wpa_s, 1); |
| 584 | |
| 585 | if (!is_broadcast_ether_addr(dst) && |
| 586 | result != OFFCHANNEL_SEND_ACTION_SUCCESS) { |
| 587 | wpa_printf(MSG_DEBUG, |
| 588 | "DPP: Unicast DPP Action frame was not ACKed"); |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 589 | if (auth->waiting_auth_resp) { |
| 590 | /* In case of DPP Authentication Request frame, move to |
| 591 | * the next channel immediately. */ |
| 592 | offchannel_send_action_done(wpa_s); |
Sunil Ravi | 2a14cf1 | 2023-11-21 00:54:38 +0000 | [diff] [blame] | 593 | /* Call wpas_dpp_auth_init_next(wpa_s) from driver event |
| 594 | * notifying frame wait was completed or from eloop |
| 595 | * timeout. */ |
| 596 | eloop_register_timeout(0, 10000, |
| 597 | wpas_dpp_drv_wait_timeout, |
| 598 | wpa_s, NULL); |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 599 | return; |
| 600 | } |
| 601 | if (auth->waiting_auth_conf) { |
| 602 | wpas_dpp_auth_resp_retry(wpa_s); |
| 603 | return; |
| 604 | } |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 605 | } |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 606 | |
Hai Shalom | 6084025 | 2021-02-19 19:02:11 -0800 | [diff] [blame] | 607 | if (auth->waiting_auth_conf && |
| 608 | auth->auth_resp_status == DPP_STATUS_OK) { |
| 609 | /* Make sure we do not get stuck waiting for Auth Confirm |
| 610 | * indefinitely after successfully transmitted Auth Response to |
| 611 | * allow new authentication exchanges to be started. */ |
| 612 | eloop_cancel_timeout(wpas_dpp_auth_conf_wait_timeout, wpa_s, |
| 613 | NULL); |
| 614 | eloop_register_timeout(1, 0, wpas_dpp_auth_conf_wait_timeout, |
| 615 | wpa_s, NULL); |
| 616 | } |
| 617 | |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 618 | if (!is_broadcast_ether_addr(dst) && auth->waiting_auth_resp && |
| 619 | result == OFFCHANNEL_SEND_ACTION_SUCCESS) { |
| 620 | /* Allow timeout handling to stop iteration if no response is |
| 621 | * received from a peer that has ACKed a request. */ |
| 622 | auth->auth_req_ack = 1; |
| 623 | } |
| 624 | |
| 625 | if (!wpa_s->dpp_auth_ok_on_ack && wpa_s->dpp_auth->neg_freq > 0 && |
| 626 | wpa_s->dpp_auth->curr_freq != wpa_s->dpp_auth->neg_freq) { |
| 627 | wpa_printf(MSG_DEBUG, |
| 628 | "DPP: Move from curr_freq %u MHz to neg_freq %u MHz for response", |
| 629 | wpa_s->dpp_auth->curr_freq, |
| 630 | wpa_s->dpp_auth->neg_freq); |
| 631 | offchannel_send_action_done(wpa_s); |
Sunil Ravi | 99c035e | 2024-07-12 01:42:03 +0000 | [diff] [blame] | 632 | wpa_s->dpp_listen_on_tx_expire = true; |
| 633 | eloop_register_timeout(0, 100000, wpas_dpp_neg_freq_timeout, |
| 634 | wpa_s, NULL); |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 635 | } |
| 636 | |
| 637 | if (wpa_s->dpp_auth_ok_on_ack) |
| 638 | wpa_s->dpp_auth_ok_on_ack = 0; |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 639 | } |
| 640 | |
| 641 | |
| 642 | static void wpas_dpp_reply_wait_timeout(void *eloop_ctx, void *timeout_ctx) |
| 643 | { |
| 644 | struct wpa_supplicant *wpa_s = eloop_ctx; |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 645 | struct dpp_authentication *auth = wpa_s->dpp_auth; |
| 646 | unsigned int freq; |
| 647 | struct os_reltime now, diff; |
| 648 | unsigned int wait_time, diff_ms; |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 649 | |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 650 | if (!auth || !auth->waiting_auth_resp) |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 651 | return; |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 652 | |
| 653 | wait_time = wpa_s->dpp_resp_wait_time ? |
| 654 | wpa_s->dpp_resp_wait_time : 2000; |
| 655 | os_get_reltime(&now); |
| 656 | os_reltime_sub(&now, &wpa_s->dpp_last_init, &diff); |
| 657 | diff_ms = diff.sec * 1000 + diff.usec / 1000; |
| 658 | wpa_printf(MSG_DEBUG, |
| 659 | "DPP: Reply wait timeout - wait_time=%u diff_ms=%u", |
| 660 | wait_time, diff_ms); |
| 661 | |
| 662 | if (auth->auth_req_ack && diff_ms >= wait_time) { |
| 663 | /* Peer ACK'ed Authentication Request frame, but did not reply |
| 664 | * with Authentication Response frame within two seconds. */ |
| 665 | wpa_printf(MSG_INFO, |
| 666 | "DPP: No response received from responder - stopping initiation attempt"); |
| 667 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_AUTH_INIT_FAILED); |
Hai Shalom | 706f99b | 2019-01-08 16:23:37 -0800 | [diff] [blame] | 668 | wpas_notify_dpp_timeout(wpa_s); |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 669 | offchannel_send_action_done(wpa_s); |
| 670 | wpas_dpp_listen_stop(wpa_s); |
| 671 | dpp_auth_deinit(auth); |
| 672 | wpa_s->dpp_auth = NULL; |
| 673 | return; |
| 674 | } |
| 675 | |
| 676 | if (diff_ms >= wait_time) { |
| 677 | /* Authentication Request frame was not ACK'ed and no reply |
| 678 | * was receiving within two seconds. */ |
| 679 | wpa_printf(MSG_DEBUG, |
| 680 | "DPP: Continue Initiator channel iteration"); |
| 681 | offchannel_send_action_done(wpa_s); |
| 682 | wpas_dpp_listen_stop(wpa_s); |
| 683 | wpas_dpp_auth_init_next(wpa_s); |
| 684 | return; |
| 685 | } |
| 686 | |
| 687 | /* Driver did not support 2000 ms long wait_time with TX command, so |
| 688 | * schedule listen operation to continue waiting for the response. |
| 689 | * |
| 690 | * DPP listen operations continue until stopped, so simply schedule a |
| 691 | * new call to this function at the point when the two second reply |
| 692 | * wait has expired. */ |
| 693 | wait_time -= diff_ms; |
| 694 | |
| 695 | freq = auth->curr_freq; |
| 696 | if (auth->neg_freq > 0) |
| 697 | freq = auth->neg_freq; |
| 698 | wpa_printf(MSG_DEBUG, |
| 699 | "DPP: Continue reply wait on channel %u MHz for %u ms", |
| 700 | freq, wait_time); |
| 701 | wpa_s->dpp_in_response_listen = 1; |
| 702 | wpas_dpp_listen_start(wpa_s, freq); |
| 703 | |
| 704 | eloop_register_timeout(wait_time / 1000, (wait_time % 1000) * 1000, |
| 705 | wpas_dpp_reply_wait_timeout, wpa_s, NULL); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 706 | } |
| 707 | |
| 708 | |
Hai Shalom | 6084025 | 2021-02-19 19:02:11 -0800 | [diff] [blame] | 709 | static void wpas_dpp_auth_conf_wait_timeout(void *eloop_ctx, void *timeout_ctx) |
| 710 | { |
| 711 | struct wpa_supplicant *wpa_s = eloop_ctx; |
| 712 | struct dpp_authentication *auth = wpa_s->dpp_auth; |
| 713 | |
| 714 | if (!auth || !auth->waiting_auth_conf) |
| 715 | return; |
| 716 | |
| 717 | wpa_printf(MSG_DEBUG, |
| 718 | "DPP: Terminate authentication exchange due to Auth Confirm timeout"); |
| 719 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_FAIL "No Auth Confirm received"); |
| 720 | offchannel_send_action_done(wpa_s); |
| 721 | dpp_auth_deinit(auth); |
| 722 | wpa_s->dpp_auth = NULL; |
| 723 | } |
| 724 | |
| 725 | |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 726 | static void wpas_dpp_set_testing_options(struct wpa_supplicant *wpa_s, |
| 727 | struct dpp_authentication *auth) |
| 728 | { |
| 729 | #ifdef CONFIG_TESTING_OPTIONS |
| 730 | if (wpa_s->dpp_config_obj_override) |
| 731 | auth->config_obj_override = |
| 732 | os_strdup(wpa_s->dpp_config_obj_override); |
| 733 | if (wpa_s->dpp_discovery_override) |
| 734 | auth->discovery_override = |
| 735 | os_strdup(wpa_s->dpp_discovery_override); |
| 736 | if (wpa_s->dpp_groups_override) |
| 737 | auth->groups_override = |
| 738 | os_strdup(wpa_s->dpp_groups_override); |
| 739 | auth->ignore_netaccesskey_mismatch = |
| 740 | wpa_s->dpp_ignore_netaccesskey_mismatch; |
| 741 | #endif /* CONFIG_TESTING_OPTIONS */ |
| 742 | } |
| 743 | |
| 744 | |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 745 | static void wpas_dpp_init_timeout(void *eloop_ctx, void *timeout_ctx) |
| 746 | { |
| 747 | struct wpa_supplicant *wpa_s = eloop_ctx; |
| 748 | |
| 749 | if (!wpa_s->dpp_auth) |
| 750 | return; |
| 751 | wpa_printf(MSG_DEBUG, "DPP: Retry initiation after timeout"); |
| 752 | wpas_dpp_auth_init_next(wpa_s); |
| 753 | } |
| 754 | |
| 755 | |
| 756 | static int wpas_dpp_auth_init_next(struct wpa_supplicant *wpa_s) |
| 757 | { |
| 758 | struct dpp_authentication *auth = wpa_s->dpp_auth; |
| 759 | const u8 *dst; |
| 760 | unsigned int wait_time, max_wait_time, freq, max_tries, used; |
| 761 | struct os_reltime now, diff; |
| 762 | |
Sunil Ravi | 2a14cf1 | 2023-11-21 00:54:38 +0000 | [diff] [blame] | 763 | eloop_cancel_timeout(wpas_dpp_drv_wait_timeout, wpa_s, NULL); |
| 764 | |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 765 | wpa_s->dpp_in_response_listen = 0; |
| 766 | if (!auth) |
| 767 | return -1; |
| 768 | |
| 769 | if (auth->freq_idx == 0) |
| 770 | os_get_reltime(&wpa_s->dpp_init_iter_start); |
| 771 | |
| 772 | if (auth->freq_idx >= auth->num_freq) { |
| 773 | auth->num_freq_iters++; |
| 774 | if (wpa_s->dpp_init_max_tries) |
| 775 | max_tries = wpa_s->dpp_init_max_tries; |
| 776 | else |
| 777 | max_tries = 5; |
| 778 | if (auth->num_freq_iters >= max_tries || auth->auth_req_ack) { |
| 779 | wpa_printf(MSG_INFO, |
| 780 | "DPP: No response received from responder - stopping initiation attempt"); |
| 781 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_AUTH_INIT_FAILED); |
Hai Shalom | 706f99b | 2019-01-08 16:23:37 -0800 | [diff] [blame] | 782 | wpas_notify_dpp_timeout(wpa_s); |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 783 | eloop_cancel_timeout(wpas_dpp_reply_wait_timeout, |
| 784 | wpa_s, NULL); |
| 785 | offchannel_send_action_done(wpa_s); |
| 786 | dpp_auth_deinit(wpa_s->dpp_auth); |
| 787 | wpa_s->dpp_auth = NULL; |
| 788 | return -1; |
| 789 | } |
| 790 | auth->freq_idx = 0; |
| 791 | eloop_cancel_timeout(wpas_dpp_init_timeout, wpa_s, NULL); |
| 792 | if (wpa_s->dpp_init_retry_time) |
| 793 | wait_time = wpa_s->dpp_init_retry_time; |
| 794 | else |
| 795 | wait_time = 10000; |
| 796 | os_get_reltime(&now); |
| 797 | os_reltime_sub(&now, &wpa_s->dpp_init_iter_start, &diff); |
| 798 | used = diff.sec * 1000 + diff.usec / 1000; |
| 799 | if (used > wait_time) |
| 800 | wait_time = 0; |
| 801 | else |
| 802 | wait_time -= used; |
| 803 | wpa_printf(MSG_DEBUG, "DPP: Next init attempt in %u ms", |
| 804 | wait_time); |
| 805 | eloop_register_timeout(wait_time / 1000, |
| 806 | (wait_time % 1000) * 1000, |
| 807 | wpas_dpp_init_timeout, wpa_s, |
| 808 | NULL); |
| 809 | return 0; |
| 810 | } |
| 811 | freq = auth->freq[auth->freq_idx++]; |
| 812 | auth->curr_freq = freq; |
| 813 | |
Hai Shalom | 6084025 | 2021-02-19 19:02:11 -0800 | [diff] [blame] | 814 | if (!is_zero_ether_addr(auth->peer_mac_addr)) |
| 815 | dst = auth->peer_mac_addr; |
| 816 | else if (is_zero_ether_addr(auth->peer_bi->mac_addr)) |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 817 | dst = broadcast; |
| 818 | else |
| 819 | dst = auth->peer_bi->mac_addr; |
| 820 | wpa_s->dpp_auth_ok_on_ack = 0; |
| 821 | eloop_cancel_timeout(wpas_dpp_reply_wait_timeout, wpa_s, NULL); |
| 822 | wait_time = wpa_s->max_remain_on_chan; |
| 823 | max_wait_time = wpa_s->dpp_resp_wait_time ? |
| 824 | wpa_s->dpp_resp_wait_time : 2000; |
| 825 | if (wait_time > max_wait_time) |
| 826 | wait_time = max_wait_time; |
| 827 | wait_time += 10; /* give the driver some extra time to complete */ |
| 828 | eloop_register_timeout(wait_time / 1000, (wait_time % 1000) * 1000, |
| 829 | wpas_dpp_reply_wait_timeout, |
| 830 | wpa_s, NULL); |
| 831 | wait_time -= 10; |
| 832 | if (auth->neg_freq > 0 && freq != auth->neg_freq) { |
| 833 | wpa_printf(MSG_DEBUG, |
| 834 | "DPP: Initiate on %u MHz and move to neg_freq %u MHz for response", |
| 835 | freq, auth->neg_freq); |
| 836 | } |
| 837 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_TX "dst=" MACSTR " freq=%u type=%d", |
| 838 | MAC2STR(dst), freq, DPP_PA_AUTHENTICATION_REQ); |
| 839 | auth->auth_req_ack = 0; |
| 840 | os_get_reltime(&wpa_s->dpp_last_init); |
| 841 | return offchannel_send_action(wpa_s, freq, dst, |
| 842 | wpa_s->own_addr, broadcast, |
| 843 | wpabuf_head(auth->req_msg), |
| 844 | wpabuf_len(auth->req_msg), |
| 845 | wait_time, wpas_dpp_tx_status, 0); |
| 846 | } |
| 847 | |
| 848 | |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 849 | int wpas_dpp_auth_init(struct wpa_supplicant *wpa_s, const char *cmd) |
| 850 | { |
| 851 | const char *pos; |
| 852 | struct dpp_bootstrap_info *peer_bi, *own_bi = NULL; |
Hai Shalom | 81f62d8 | 2019-07-22 12:10:00 -0700 | [diff] [blame] | 853 | struct dpp_authentication *auth; |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 854 | u8 allowed_roles = DPP_CAPAB_CONFIGURATOR; |
| 855 | unsigned int neg_freq = 0; |
Hai Shalom | 81f62d8 | 2019-07-22 12:10:00 -0700 | [diff] [blame] | 856 | int tcp = 0; |
| 857 | #ifdef CONFIG_DPP2 |
| 858 | int tcp_port = DPP_TCP_PORT; |
| 859 | struct hostapd_ip_addr ipaddr; |
| 860 | char *addr; |
| 861 | #endif /* CONFIG_DPP2 */ |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 862 | |
| 863 | wpa_s->dpp_gas_client = 0; |
Hai Shalom | a20dcd7 | 2022-02-04 13:43:00 -0800 | [diff] [blame] | 864 | wpa_s->dpp_gas_server = 0; |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 865 | |
| 866 | pos = os_strstr(cmd, " peer="); |
| 867 | if (!pos) |
| 868 | return -1; |
| 869 | pos += 6; |
Hai Shalom | 021b0b5 | 2019-04-10 11:17:58 -0700 | [diff] [blame] | 870 | peer_bi = dpp_bootstrap_get_id(wpa_s->dpp, atoi(pos)); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 871 | if (!peer_bi) { |
| 872 | wpa_printf(MSG_INFO, |
| 873 | "DPP: Could not find bootstrapping info for the identified peer"); |
| 874 | return -1; |
| 875 | } |
| 876 | |
Hai Shalom | 81f62d8 | 2019-07-22 12:10:00 -0700 | [diff] [blame] | 877 | #ifdef CONFIG_DPP2 |
| 878 | pos = os_strstr(cmd, " tcp_port="); |
| 879 | if (pos) { |
| 880 | pos += 10; |
| 881 | tcp_port = atoi(pos); |
| 882 | } |
| 883 | |
| 884 | addr = get_param(cmd, " tcp_addr="); |
Sunil | 8cd6f4d | 2022-06-28 18:40:46 +0000 | [diff] [blame] | 885 | if (addr && os_strcmp(addr, "from-uri") == 0) { |
| 886 | os_free(addr); |
| 887 | if (!peer_bi->host) { |
| 888 | wpa_printf(MSG_INFO, |
| 889 | "DPP: TCP address not available in peer URI"); |
| 890 | return -1; |
| 891 | } |
| 892 | tcp = 1; |
| 893 | os_memcpy(&ipaddr, peer_bi->host, sizeof(ipaddr)); |
| 894 | tcp_port = peer_bi->port; |
| 895 | } else if (addr) { |
Hai Shalom | 81f62d8 | 2019-07-22 12:10:00 -0700 | [diff] [blame] | 896 | int res; |
| 897 | |
| 898 | res = hostapd_parse_ip_addr(addr, &ipaddr); |
| 899 | os_free(addr); |
| 900 | if (res) |
| 901 | return -1; |
| 902 | tcp = 1; |
| 903 | } |
| 904 | #endif /* CONFIG_DPP2 */ |
| 905 | |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 906 | pos = os_strstr(cmd, " own="); |
| 907 | if (pos) { |
| 908 | pos += 5; |
Hai Shalom | 021b0b5 | 2019-04-10 11:17:58 -0700 | [diff] [blame] | 909 | own_bi = dpp_bootstrap_get_id(wpa_s->dpp, atoi(pos)); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 910 | if (!own_bi) { |
| 911 | wpa_printf(MSG_INFO, |
| 912 | "DPP: Could not find bootstrapping info for the identified local entry"); |
| 913 | return -1; |
| 914 | } |
| 915 | |
| 916 | if (peer_bi->curve != own_bi->curve) { |
| 917 | wpa_printf(MSG_INFO, |
| 918 | "DPP: Mismatching curves in bootstrapping info (peer=%s own=%s)", |
| 919 | peer_bi->curve->name, own_bi->curve->name); |
| 920 | return -1; |
| 921 | } |
| 922 | } |
| 923 | |
| 924 | pos = os_strstr(cmd, " role="); |
| 925 | if (pos) { |
| 926 | pos += 6; |
| 927 | if (os_strncmp(pos, "configurator", 12) == 0) |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 928 | allowed_roles = DPP_CAPAB_CONFIGURATOR; |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 929 | else if (os_strncmp(pos, "enrollee", 8) == 0) |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 930 | allowed_roles = DPP_CAPAB_ENROLLEE; |
| 931 | else if (os_strncmp(pos, "either", 6) == 0) |
| 932 | allowed_roles = DPP_CAPAB_CONFIGURATOR | |
| 933 | DPP_CAPAB_ENROLLEE; |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 934 | else |
| 935 | goto fail; |
| 936 | } |
| 937 | |
| 938 | pos = os_strstr(cmd, " netrole="); |
| 939 | if (pos) { |
| 940 | pos += 9; |
Ahmed ElArabawy | 0ff61c5 | 2019-12-26 12:38:39 -0800 | [diff] [blame] | 941 | if (os_strncmp(pos, "ap", 2) == 0) |
| 942 | wpa_s->dpp_netrole = DPP_NETROLE_AP; |
| 943 | else if (os_strncmp(pos, "configurator", 12) == 0) |
| 944 | wpa_s->dpp_netrole = DPP_NETROLE_CONFIGURATOR; |
| 945 | else |
| 946 | wpa_s->dpp_netrole = DPP_NETROLE_STA; |
Hai Shalom | fdcde76 | 2020-04-02 11:19:20 -0700 | [diff] [blame] | 947 | } else { |
| 948 | wpa_s->dpp_netrole = DPP_NETROLE_STA; |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 949 | } |
| 950 | |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 951 | pos = os_strstr(cmd, " neg_freq="); |
| 952 | if (pos) |
| 953 | neg_freq = atoi(pos + 10); |
| 954 | |
Hai Shalom | 81f62d8 | 2019-07-22 12:10:00 -0700 | [diff] [blame] | 955 | if (!tcp && wpa_s->dpp_auth) { |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 956 | eloop_cancel_timeout(wpas_dpp_init_timeout, wpa_s, NULL); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 957 | eloop_cancel_timeout(wpas_dpp_reply_wait_timeout, wpa_s, NULL); |
Hai Shalom | 6084025 | 2021-02-19 19:02:11 -0800 | [diff] [blame] | 958 | eloop_cancel_timeout(wpas_dpp_auth_conf_wait_timeout, wpa_s, |
| 959 | NULL); |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 960 | eloop_cancel_timeout(wpas_dpp_auth_resp_retry_timeout, wpa_s, |
| 961 | NULL); |
Hai Shalom | 4fbc08f | 2020-05-18 12:37:00 -0700 | [diff] [blame] | 962 | #ifdef CONFIG_DPP2 |
| 963 | eloop_cancel_timeout(wpas_dpp_reconfig_reply_wait_timeout, |
| 964 | wpa_s, NULL); |
| 965 | #endif /* CONFIG_DPP2 */ |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 966 | offchannel_send_action_done(wpa_s); |
| 967 | dpp_auth_deinit(wpa_s->dpp_auth); |
Hai Shalom | 74f70d4 | 2019-02-11 14:42:39 -0800 | [diff] [blame] | 968 | wpa_s->dpp_auth = NULL; |
Hai Shalom | 81f62d8 | 2019-07-22 12:10:00 -0700 | [diff] [blame] | 969 | } |
| 970 | |
Hai Shalom | fdcde76 | 2020-04-02 11:19:20 -0700 | [diff] [blame] | 971 | auth = dpp_auth_init(wpa_s->dpp, wpa_s, peer_bi, own_bi, allowed_roles, |
| 972 | neg_freq, wpa_s->hw.modes, wpa_s->hw.num_modes); |
Hai Shalom | 81f62d8 | 2019-07-22 12:10:00 -0700 | [diff] [blame] | 973 | if (!auth) |
| 974 | goto fail; |
| 975 | wpas_dpp_set_testing_options(wpa_s, auth); |
Hai Shalom | fdcde76 | 2020-04-02 11:19:20 -0700 | [diff] [blame] | 976 | if (dpp_set_configurator(auth, cmd) < 0) { |
Hai Shalom | 81f62d8 | 2019-07-22 12:10:00 -0700 | [diff] [blame] | 977 | dpp_auth_deinit(auth); |
Hai Shalom | 74f70d4 | 2019-02-11 14:42:39 -0800 | [diff] [blame] | 978 | goto fail; |
| 979 | } |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 980 | |
Hai Shalom | 81f62d8 | 2019-07-22 12:10:00 -0700 | [diff] [blame] | 981 | auth->neg_freq = neg_freq; |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 982 | |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 983 | if (!is_zero_ether_addr(peer_bi->mac_addr)) |
Hai Shalom | 81f62d8 | 2019-07-22 12:10:00 -0700 | [diff] [blame] | 984 | os_memcpy(auth->peer_mac_addr, peer_bi->mac_addr, ETH_ALEN); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 985 | |
Hai Shalom | 81f62d8 | 2019-07-22 12:10:00 -0700 | [diff] [blame] | 986 | #ifdef CONFIG_DPP2 |
| 987 | if (tcp) |
Hai Shalom | 899fcc7 | 2020-10-19 14:38:18 -0700 | [diff] [blame] | 988 | return dpp_tcp_init(wpa_s->dpp, auth, &ipaddr, tcp_port, |
| 989 | wpa_s->conf->dpp_name, DPP_NETROLE_STA, |
Sunil Ravi | 89eba10 | 2022-09-13 21:04:37 -0700 | [diff] [blame] | 990 | wpa_s->conf->dpp_mud_url, |
| 991 | wpa_s->conf->dpp_extra_conf_req_name, |
| 992 | wpa_s->conf->dpp_extra_conf_req_value, |
Hai Shalom | a20dcd7 | 2022-02-04 13:43:00 -0800 | [diff] [blame] | 993 | wpa_s, wpa_s, wpas_dpp_process_conf_obj, |
| 994 | wpas_dpp_tcp_msg_sent); |
Hai Shalom | 81f62d8 | 2019-07-22 12:10:00 -0700 | [diff] [blame] | 995 | #endif /* CONFIG_DPP2 */ |
| 996 | |
| 997 | wpa_s->dpp_auth = auth; |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 998 | return wpas_dpp_auth_init_next(wpa_s); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 999 | fail: |
| 1000 | return -1; |
| 1001 | } |
| 1002 | |
| 1003 | |
| 1004 | struct wpas_dpp_listen_work { |
| 1005 | unsigned int freq; |
| 1006 | unsigned int duration; |
| 1007 | struct wpabuf *probe_resp_ie; |
| 1008 | }; |
| 1009 | |
| 1010 | |
| 1011 | static void wpas_dpp_listen_work_free(struct wpas_dpp_listen_work *lwork) |
| 1012 | { |
| 1013 | if (!lwork) |
| 1014 | return; |
| 1015 | os_free(lwork); |
| 1016 | } |
| 1017 | |
| 1018 | |
| 1019 | static void wpas_dpp_listen_work_done(struct wpa_supplicant *wpa_s) |
| 1020 | { |
| 1021 | struct wpas_dpp_listen_work *lwork; |
| 1022 | |
| 1023 | if (!wpa_s->dpp_listen_work) |
| 1024 | return; |
| 1025 | |
| 1026 | lwork = wpa_s->dpp_listen_work->ctx; |
| 1027 | wpas_dpp_listen_work_free(lwork); |
| 1028 | radio_work_done(wpa_s->dpp_listen_work); |
| 1029 | wpa_s->dpp_listen_work = NULL; |
| 1030 | } |
| 1031 | |
| 1032 | |
| 1033 | static void dpp_start_listen_cb(struct wpa_radio_work *work, int deinit) |
| 1034 | { |
| 1035 | struct wpa_supplicant *wpa_s = work->wpa_s; |
| 1036 | struct wpas_dpp_listen_work *lwork = work->ctx; |
| 1037 | |
| 1038 | if (deinit) { |
| 1039 | if (work->started) { |
| 1040 | wpa_s->dpp_listen_work = NULL; |
| 1041 | wpas_dpp_listen_stop(wpa_s); |
| 1042 | } |
| 1043 | wpas_dpp_listen_work_free(lwork); |
| 1044 | return; |
| 1045 | } |
| 1046 | |
| 1047 | wpa_s->dpp_listen_work = work; |
| 1048 | |
| 1049 | wpa_s->dpp_pending_listen_freq = lwork->freq; |
| 1050 | |
| 1051 | if (wpa_drv_remain_on_channel(wpa_s, lwork->freq, |
| 1052 | wpa_s->max_remain_on_chan) < 0) { |
| 1053 | wpa_printf(MSG_DEBUG, |
| 1054 | "DPP: Failed to request the driver to remain on channel (%u MHz) for listen", |
| 1055 | lwork->freq); |
Hai Shalom | 74f70d4 | 2019-02-11 14:42:39 -0800 | [diff] [blame] | 1056 | wpa_s->dpp_listen_freq = 0; |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 1057 | wpas_dpp_listen_work_done(wpa_s); |
| 1058 | wpa_s->dpp_pending_listen_freq = 0; |
| 1059 | return; |
| 1060 | } |
| 1061 | wpa_s->off_channel_freq = 0; |
| 1062 | wpa_s->roc_waiting_drv_freq = lwork->freq; |
Hai Shalom | b755a2a | 2020-04-23 21:49:02 -0700 | [diff] [blame] | 1063 | wpa_drv_dpp_listen(wpa_s, true); |
Sunil Ravi | 99c035e | 2024-07-12 01:42:03 +0000 | [diff] [blame] | 1064 | wpa_s->dpp_tx_auth_resp_on_roc_stop = false; |
| 1065 | wpa_s->dpp_tx_chan_change = false; |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 1066 | } |
| 1067 | |
| 1068 | |
| 1069 | static int wpas_dpp_listen_start(struct wpa_supplicant *wpa_s, |
| 1070 | unsigned int freq) |
| 1071 | { |
| 1072 | struct wpas_dpp_listen_work *lwork; |
| 1073 | |
| 1074 | if (wpa_s->dpp_listen_work) { |
| 1075 | wpa_printf(MSG_DEBUG, |
| 1076 | "DPP: Reject start_listen since dpp_listen_work already exists"); |
| 1077 | return -1; |
| 1078 | } |
| 1079 | |
| 1080 | if (wpa_s->dpp_listen_freq) |
| 1081 | wpas_dpp_listen_stop(wpa_s); |
| 1082 | wpa_s->dpp_listen_freq = freq; |
| 1083 | |
| 1084 | lwork = os_zalloc(sizeof(*lwork)); |
| 1085 | if (!lwork) |
| 1086 | return -1; |
| 1087 | lwork->freq = freq; |
| 1088 | |
| 1089 | if (radio_add_work(wpa_s, freq, "dpp-listen", 0, dpp_start_listen_cb, |
| 1090 | lwork) < 0) { |
| 1091 | wpas_dpp_listen_work_free(lwork); |
| 1092 | return -1; |
| 1093 | } |
| 1094 | |
| 1095 | return 0; |
| 1096 | } |
| 1097 | |
| 1098 | |
| 1099 | int wpas_dpp_listen(struct wpa_supplicant *wpa_s, const char *cmd) |
| 1100 | { |
| 1101 | int freq; |
| 1102 | |
| 1103 | freq = atoi(cmd); |
| 1104 | if (freq <= 0) |
| 1105 | return -1; |
| 1106 | |
| 1107 | if (os_strstr(cmd, " role=configurator")) |
| 1108 | wpa_s->dpp_allowed_roles = DPP_CAPAB_CONFIGURATOR; |
| 1109 | else if (os_strstr(cmd, " role=enrollee")) |
| 1110 | wpa_s->dpp_allowed_roles = DPP_CAPAB_ENROLLEE; |
| 1111 | else |
| 1112 | wpa_s->dpp_allowed_roles = DPP_CAPAB_CONFIGURATOR | |
| 1113 | DPP_CAPAB_ENROLLEE; |
| 1114 | wpa_s->dpp_qr_mutual = os_strstr(cmd, " qr=mutual") != NULL; |
Ahmed ElArabawy | 0ff61c5 | 2019-12-26 12:38:39 -0800 | [diff] [blame] | 1115 | if (os_strstr(cmd, " netrole=ap")) |
| 1116 | wpa_s->dpp_netrole = DPP_NETROLE_AP; |
| 1117 | else if (os_strstr(cmd, " netrole=configurator")) |
| 1118 | wpa_s->dpp_netrole = DPP_NETROLE_CONFIGURATOR; |
| 1119 | else |
| 1120 | wpa_s->dpp_netrole = DPP_NETROLE_STA; |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 1121 | if (wpa_s->dpp_listen_freq == (unsigned int) freq) { |
| 1122 | wpa_printf(MSG_DEBUG, "DPP: Already listening on %u MHz", |
| 1123 | freq); |
| 1124 | return 0; |
| 1125 | } |
| 1126 | |
| 1127 | return wpas_dpp_listen_start(wpa_s, freq); |
| 1128 | } |
| 1129 | |
| 1130 | |
| 1131 | void wpas_dpp_listen_stop(struct wpa_supplicant *wpa_s) |
| 1132 | { |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 1133 | wpa_s->dpp_in_response_listen = 0; |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 1134 | if (!wpa_s->dpp_listen_freq) |
| 1135 | return; |
| 1136 | |
| 1137 | wpa_printf(MSG_DEBUG, "DPP: Stop listen on %u MHz", |
| 1138 | wpa_s->dpp_listen_freq); |
| 1139 | wpa_drv_cancel_remain_on_channel(wpa_s); |
Hai Shalom | b755a2a | 2020-04-23 21:49:02 -0700 | [diff] [blame] | 1140 | wpa_drv_dpp_listen(wpa_s, false); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 1141 | wpa_s->dpp_listen_freq = 0; |
| 1142 | wpas_dpp_listen_work_done(wpa_s); |
Hai Shalom | a20dcd7 | 2022-02-04 13:43:00 -0800 | [diff] [blame] | 1143 | radio_remove_works(wpa_s, "dpp-listen", 0); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 1144 | } |
| 1145 | |
| 1146 | |
Hai Shalom | 4fbc08f | 2020-05-18 12:37:00 -0700 | [diff] [blame] | 1147 | void wpas_dpp_remain_on_channel_cb(struct wpa_supplicant *wpa_s, |
| 1148 | unsigned int freq, unsigned int duration) |
| 1149 | { |
| 1150 | if (wpa_s->dpp_listen_freq != freq) |
| 1151 | return; |
| 1152 | |
| 1153 | wpa_printf(MSG_DEBUG, |
| 1154 | "DPP: Remain-on-channel started for listen on %u MHz for %u ms", |
| 1155 | freq, duration); |
| 1156 | os_get_reltime(&wpa_s->dpp_listen_end); |
| 1157 | wpa_s->dpp_listen_end.usec += duration * 1000; |
| 1158 | while (wpa_s->dpp_listen_end.usec >= 1000000) { |
| 1159 | wpa_s->dpp_listen_end.sec++; |
| 1160 | wpa_s->dpp_listen_end.usec -= 1000000; |
| 1161 | } |
| 1162 | } |
| 1163 | |
| 1164 | |
Sunil Ravi | 99c035e | 2024-07-12 01:42:03 +0000 | [diff] [blame] | 1165 | static void wpas_dpp_tx_auth_resp(struct wpa_supplicant *wpa_s) |
| 1166 | { |
| 1167 | struct dpp_authentication *auth = wpa_s->dpp_auth; |
| 1168 | |
| 1169 | if (!auth) |
| 1170 | return; |
| 1171 | |
| 1172 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_TX "dst=" MACSTR " freq=%u type=%d", |
| 1173 | MAC2STR(auth->peer_mac_addr), auth->curr_freq, |
| 1174 | DPP_PA_AUTHENTICATION_RESP); |
| 1175 | offchannel_send_action(wpa_s, auth->curr_freq, |
| 1176 | auth->peer_mac_addr, wpa_s->own_addr, broadcast, |
| 1177 | wpabuf_head(auth->resp_msg), |
| 1178 | wpabuf_len(auth->resp_msg), |
| 1179 | 500, wpas_dpp_tx_status, 0); |
| 1180 | } |
| 1181 | |
| 1182 | |
| 1183 | static void wpas_dpp_tx_auth_resp_roc_timeout(void *eloop_ctx, |
| 1184 | void *timeout_ctx) |
| 1185 | { |
| 1186 | struct wpa_supplicant *wpa_s = eloop_ctx; |
| 1187 | struct dpp_authentication *auth = wpa_s->dpp_auth; |
| 1188 | |
| 1189 | if (!auth || !wpa_s->dpp_tx_auth_resp_on_roc_stop) |
| 1190 | return; |
| 1191 | |
| 1192 | wpa_s->dpp_tx_auth_resp_on_roc_stop = false; |
| 1193 | wpa_s->dpp_tx_chan_change = true; |
| 1194 | wpa_printf(MSG_DEBUG, |
| 1195 | "DPP: Send postponed Authentication Response on remain-on-channel termination timeout"); |
| 1196 | wpas_dpp_tx_auth_resp(wpa_s); |
| 1197 | } |
| 1198 | |
| 1199 | |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 1200 | void wpas_dpp_cancel_remain_on_channel_cb(struct wpa_supplicant *wpa_s, |
| 1201 | unsigned int freq) |
| 1202 | { |
Sunil Ravi | 99c035e | 2024-07-12 01:42:03 +0000 | [diff] [blame] | 1203 | wpa_printf(MSG_DEBUG, "DPP: Remain on channel cancel for %u MHz", freq); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 1204 | wpas_dpp_listen_work_done(wpa_s); |
| 1205 | |
Sunil Ravi | 99c035e | 2024-07-12 01:42:03 +0000 | [diff] [blame] | 1206 | if (wpa_s->dpp_auth && wpa_s->dpp_tx_auth_resp_on_roc_stop) { |
| 1207 | eloop_cancel_timeout(wpas_dpp_tx_auth_resp_roc_timeout, |
| 1208 | wpa_s, NULL); |
| 1209 | wpa_s->dpp_tx_auth_resp_on_roc_stop = false; |
| 1210 | wpa_s->dpp_tx_chan_change = true; |
| 1211 | wpa_printf(MSG_DEBUG, |
| 1212 | "DPP: Send postponed Authentication Response on remain-on-channel termination"); |
| 1213 | wpas_dpp_tx_auth_resp(wpa_s); |
| 1214 | return; |
| 1215 | } |
| 1216 | |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 1217 | if (wpa_s->dpp_auth && wpa_s->dpp_in_response_listen) { |
| 1218 | unsigned int new_freq; |
| 1219 | |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 1220 | /* Continue listen with a new remain-on-channel */ |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 1221 | if (wpa_s->dpp_auth->neg_freq > 0) |
| 1222 | new_freq = wpa_s->dpp_auth->neg_freq; |
| 1223 | else |
| 1224 | new_freq = wpa_s->dpp_auth->curr_freq; |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 1225 | wpa_printf(MSG_DEBUG, |
| 1226 | "DPP: Continue wait on %u MHz for the ongoing DPP provisioning session", |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 1227 | new_freq); |
| 1228 | wpas_dpp_listen_start(wpa_s, new_freq); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 1229 | return; |
| 1230 | } |
| 1231 | |
| 1232 | if (wpa_s->dpp_listen_freq) { |
| 1233 | /* Continue listen with a new remain-on-channel */ |
| 1234 | wpas_dpp_listen_start(wpa_s, wpa_s->dpp_listen_freq); |
| 1235 | } |
| 1236 | } |
| 1237 | |
| 1238 | |
| 1239 | static void wpas_dpp_rx_auth_req(struct wpa_supplicant *wpa_s, const u8 *src, |
| 1240 | const u8 *hdr, const u8 *buf, size_t len, |
| 1241 | unsigned int freq) |
| 1242 | { |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 1243 | const u8 *r_bootstrap, *i_bootstrap; |
| 1244 | u16 r_bootstrap_len, i_bootstrap_len; |
Hai Shalom | 021b0b5 | 2019-04-10 11:17:58 -0700 | [diff] [blame] | 1245 | struct dpp_bootstrap_info *own_bi = NULL, *peer_bi = NULL; |
| 1246 | |
| 1247 | if (!wpa_s->dpp) |
| 1248 | return; |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 1249 | |
| 1250 | wpa_printf(MSG_DEBUG, "DPP: Authentication Request from " MACSTR, |
| 1251 | MAC2STR(src)); |
| 1252 | |
Hai Shalom | fdcde76 | 2020-04-02 11:19:20 -0700 | [diff] [blame] | 1253 | #ifdef CONFIG_DPP2 |
| 1254 | wpas_dpp_chirp_stop(wpa_s); |
| 1255 | #endif /* CONFIG_DPP2 */ |
| 1256 | |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 1257 | r_bootstrap = dpp_get_attr(buf, len, DPP_ATTR_R_BOOTSTRAP_KEY_HASH, |
| 1258 | &r_bootstrap_len); |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 1259 | if (!r_bootstrap || r_bootstrap_len != SHA256_MAC_LEN) { |
| 1260 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_FAIL |
| 1261 | "Missing or invalid required Responder Bootstrapping Key Hash attribute"); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 1262 | return; |
| 1263 | } |
| 1264 | wpa_hexdump(MSG_MSGDUMP, "DPP: Responder Bootstrapping Key Hash", |
| 1265 | r_bootstrap, r_bootstrap_len); |
| 1266 | |
| 1267 | i_bootstrap = dpp_get_attr(buf, len, DPP_ATTR_I_BOOTSTRAP_KEY_HASH, |
| 1268 | &i_bootstrap_len); |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 1269 | if (!i_bootstrap || i_bootstrap_len != SHA256_MAC_LEN) { |
| 1270 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_FAIL |
| 1271 | "Missing or invalid required Initiator Bootstrapping Key Hash attribute"); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 1272 | return; |
| 1273 | } |
| 1274 | wpa_hexdump(MSG_MSGDUMP, "DPP: Initiator Bootstrapping Key Hash", |
| 1275 | i_bootstrap, i_bootstrap_len); |
| 1276 | |
| 1277 | /* Try to find own and peer bootstrapping key matches based on the |
| 1278 | * received hash values */ |
Hai Shalom | 021b0b5 | 2019-04-10 11:17:58 -0700 | [diff] [blame] | 1279 | dpp_bootstrap_find_pair(wpa_s->dpp, i_bootstrap, r_bootstrap, |
| 1280 | &own_bi, &peer_bi); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 1281 | if (!own_bi) { |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 1282 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_FAIL |
| 1283 | "No matching own bootstrapping key found - ignore message"); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 1284 | return; |
| 1285 | } |
| 1286 | |
Sunil Ravi | 89eba10 | 2022-09-13 21:04:37 -0700 | [diff] [blame] | 1287 | if (own_bi->type == DPP_BOOTSTRAP_PKEX) { |
| 1288 | if (!peer_bi || peer_bi->type != DPP_BOOTSTRAP_PKEX) { |
| 1289 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_FAIL |
| 1290 | "No matching peer bootstrapping key found for PKEX - ignore message"); |
| 1291 | return; |
| 1292 | } |
| 1293 | |
| 1294 | if (os_memcmp(peer_bi->pubkey_hash, own_bi->peer_pubkey_hash, |
| 1295 | SHA256_MAC_LEN) != 0) { |
| 1296 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_FAIL |
| 1297 | "Mismatching peer PKEX bootstrapping key - ignore message"); |
| 1298 | return; |
| 1299 | } |
| 1300 | } |
| 1301 | |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 1302 | if (wpa_s->dpp_auth) { |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 1303 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_FAIL |
| 1304 | "Already in DPP authentication exchange - ignore new one"); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 1305 | return; |
| 1306 | } |
| 1307 | |
Sunil Ravi | a04bd25 | 2022-05-02 22:54:18 -0700 | [diff] [blame] | 1308 | wpa_s->dpp_pkex_wait_auth_req = false; |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 1309 | wpa_s->dpp_gas_client = 0; |
Hai Shalom | a20dcd7 | 2022-02-04 13:43:00 -0800 | [diff] [blame] | 1310 | wpa_s->dpp_gas_server = 0; |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 1311 | wpa_s->dpp_auth_ok_on_ack = 0; |
Hai Shalom | fdcde76 | 2020-04-02 11:19:20 -0700 | [diff] [blame] | 1312 | wpa_s->dpp_auth = dpp_auth_req_rx(wpa_s->dpp, wpa_s, |
| 1313 | wpa_s->dpp_allowed_roles, |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 1314 | wpa_s->dpp_qr_mutual, |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 1315 | peer_bi, own_bi, freq, hdr, buf, len); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 1316 | if (!wpa_s->dpp_auth) { |
| 1317 | wpa_printf(MSG_DEBUG, "DPP: No response generated"); |
| 1318 | return; |
| 1319 | } |
| 1320 | wpas_dpp_set_testing_options(wpa_s, wpa_s->dpp_auth); |
Hai Shalom | fdcde76 | 2020-04-02 11:19:20 -0700 | [diff] [blame] | 1321 | if (dpp_set_configurator(wpa_s->dpp_auth, |
Hai Shalom | 021b0b5 | 2019-04-10 11:17:58 -0700 | [diff] [blame] | 1322 | wpa_s->dpp_configurator_params) < 0) { |
Hai Shalom | 74f70d4 | 2019-02-11 14:42:39 -0800 | [diff] [blame] | 1323 | dpp_auth_deinit(wpa_s->dpp_auth); |
| 1324 | wpa_s->dpp_auth = NULL; |
| 1325 | return; |
| 1326 | } |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 1327 | os_memcpy(wpa_s->dpp_auth->peer_mac_addr, src, ETH_ALEN); |
| 1328 | |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 1329 | if (wpa_s->dpp_listen_freq && |
| 1330 | wpa_s->dpp_listen_freq != wpa_s->dpp_auth->curr_freq) { |
| 1331 | wpa_printf(MSG_DEBUG, |
| 1332 | "DPP: Stop listen on %u MHz to allow response on the request %u MHz", |
| 1333 | wpa_s->dpp_listen_freq, wpa_s->dpp_auth->curr_freq); |
Sunil Ravi | 99c035e | 2024-07-12 01:42:03 +0000 | [diff] [blame] | 1334 | wpa_s->dpp_tx_auth_resp_on_roc_stop = true; |
| 1335 | eloop_register_timeout(0, 100000, |
| 1336 | wpas_dpp_tx_auth_resp_roc_timeout, |
| 1337 | wpa_s, NULL); |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 1338 | wpas_dpp_listen_stop(wpa_s); |
Sunil Ravi | 99c035e | 2024-07-12 01:42:03 +0000 | [diff] [blame] | 1339 | return; |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 1340 | } |
Sunil Ravi | 99c035e | 2024-07-12 01:42:03 +0000 | [diff] [blame] | 1341 | wpa_s->dpp_tx_auth_resp_on_roc_stop = false; |
| 1342 | wpa_s->dpp_tx_chan_change = false; |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 1343 | |
Sunil Ravi | 99c035e | 2024-07-12 01:42:03 +0000 | [diff] [blame] | 1344 | wpas_dpp_tx_auth_resp(wpa_s); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 1345 | } |
| 1346 | |
| 1347 | |
Hai Shalom | a20dcd7 | 2022-02-04 13:43:00 -0800 | [diff] [blame] | 1348 | void wpas_dpp_tx_wait_expire(struct wpa_supplicant *wpa_s) |
| 1349 | { |
| 1350 | struct dpp_authentication *auth = wpa_s->dpp_auth; |
| 1351 | int freq; |
| 1352 | |
Sunil Ravi | 79e6c4f | 2025-01-04 00:47:06 +0000 | [diff] [blame] | 1353 | #ifdef CONFIG_DPP3 |
| 1354 | if (wpa_s->dpp_pb_announcement && wpa_s->dpp_pb_discovery_done) { |
| 1355 | wpa_printf(MSG_DEBUG, |
| 1356 | "DPP: Failed to send push button announcement"); |
| 1357 | if (eloop_register_timeout(0, 0, wpas_dpp_pb_next, |
| 1358 | wpa_s, NULL) < 0) |
| 1359 | wpas_dpp_push_button_stop(wpa_s); |
| 1360 | } |
| 1361 | #endif /* CONFIG_DPP3 */ |
| 1362 | |
Sunil Ravi | 99c035e | 2024-07-12 01:42:03 +0000 | [diff] [blame] | 1363 | if (wpa_s->dpp_listen_on_tx_expire && auth && auth->neg_freq) { |
| 1364 | wpa_printf(MSG_DEBUG, |
| 1365 | "DPP: Start listen on neg_freq %u MHz based on TX wait expiration on the previous channel", |
| 1366 | auth->neg_freq); |
| 1367 | eloop_cancel_timeout(wpas_dpp_neg_freq_timeout, wpa_s, NULL); |
| 1368 | wpas_dpp_listen_start(wpa_s, auth->neg_freq); |
| 1369 | return; |
| 1370 | } |
| 1371 | |
Sunil Ravi | 2a14cf1 | 2023-11-21 00:54:38 +0000 | [diff] [blame] | 1372 | if (!wpa_s->dpp_gas_server || !auth) { |
| 1373 | if (auth && auth->waiting_auth_resp && |
| 1374 | eloop_is_timeout_registered(wpas_dpp_drv_wait_timeout, |
| 1375 | wpa_s, NULL)) { |
| 1376 | eloop_cancel_timeout(wpas_dpp_drv_wait_timeout, |
| 1377 | wpa_s, NULL); |
| 1378 | wpa_printf(MSG_DEBUG, |
| 1379 | "DPP: Call wpas_dpp_auth_init_next() from %s", |
| 1380 | __func__); |
| 1381 | wpas_dpp_auth_init_next(wpa_s); |
| 1382 | } |
Hai Shalom | a20dcd7 | 2022-02-04 13:43:00 -0800 | [diff] [blame] | 1383 | return; |
Sunil Ravi | 2a14cf1 | 2023-11-21 00:54:38 +0000 | [diff] [blame] | 1384 | } |
Hai Shalom | a20dcd7 | 2022-02-04 13:43:00 -0800 | [diff] [blame] | 1385 | |
| 1386 | freq = auth->neg_freq > 0 ? auth->neg_freq : auth->curr_freq; |
| 1387 | if (wpa_s->dpp_listen_work || (int) wpa_s->dpp_listen_freq == freq) |
| 1388 | return; /* listen state is already in progress */ |
| 1389 | |
| 1390 | wpa_printf(MSG_DEBUG, "DPP: Start listen on %u MHz for GAS", freq); |
| 1391 | wpa_s->dpp_in_response_listen = 1; |
| 1392 | wpas_dpp_listen_start(wpa_s, freq); |
| 1393 | } |
| 1394 | |
| 1395 | |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 1396 | static void wpas_dpp_start_gas_server(struct wpa_supplicant *wpa_s) |
| 1397 | { |
Hai Shalom | a20dcd7 | 2022-02-04 13:43:00 -0800 | [diff] [blame] | 1398 | struct dpp_authentication *auth = wpa_s->dpp_auth; |
| 1399 | |
| 1400 | wpa_printf(MSG_DEBUG, |
| 1401 | "DPP: Starting GAS server (curr_freq=%d neg_freq=%d dpp_listen_freq=%d dpp_listen_work=%d)", |
| 1402 | auth->curr_freq, auth->neg_freq, wpa_s->dpp_listen_freq, |
| 1403 | !!wpa_s->dpp_listen_work); |
| 1404 | wpa_s->dpp_gas_server = 1; |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 1405 | } |
| 1406 | |
| 1407 | |
| 1408 | static struct wpa_ssid * wpas_dpp_add_network(struct wpa_supplicant *wpa_s, |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 1409 | struct dpp_authentication *auth, |
| 1410 | struct dpp_config_obj *conf) |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 1411 | { |
| 1412 | struct wpa_ssid *ssid; |
| 1413 | |
Hai Shalom | 021b0b5 | 2019-04-10 11:17:58 -0700 | [diff] [blame] | 1414 | #ifdef CONFIG_DPP2 |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 1415 | if (conf->akm == DPP_AKM_SAE) { |
Hai Shalom | 021b0b5 | 2019-04-10 11:17:58 -0700 | [diff] [blame] | 1416 | #ifdef CONFIG_SAE |
| 1417 | struct wpa_driver_capa capa; |
| 1418 | int res; |
| 1419 | |
| 1420 | res = wpa_drv_get_capa(wpa_s, &capa); |
| 1421 | if (res == 0 && |
Hai Shalom | 4fbc08f | 2020-05-18 12:37:00 -0700 | [diff] [blame] | 1422 | !(capa.key_mgmt_iftype[WPA_IF_STATION] & |
| 1423 | WPA_DRIVER_CAPA_KEY_MGMT_SAE) && |
Hai Shalom | 021b0b5 | 2019-04-10 11:17:58 -0700 | [diff] [blame] | 1424 | !(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SAE)) { |
| 1425 | wpa_printf(MSG_DEBUG, |
| 1426 | "DPP: SAE not supported by the driver"); |
| 1427 | return NULL; |
| 1428 | } |
| 1429 | #else /* CONFIG_SAE */ |
| 1430 | wpa_printf(MSG_DEBUG, "DPP: SAE not supported in the build"); |
| 1431 | return NULL; |
| 1432 | #endif /* CONFIG_SAE */ |
| 1433 | } |
| 1434 | #endif /* CONFIG_DPP2 */ |
| 1435 | |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 1436 | ssid = wpa_config_add_network(wpa_s->conf); |
| 1437 | if (!ssid) |
| 1438 | return NULL; |
| 1439 | wpas_notify_network_added(wpa_s, ssid); |
| 1440 | wpa_config_set_network_defaults(ssid); |
| 1441 | ssid->disabled = 1; |
| 1442 | |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 1443 | ssid->ssid = os_malloc(conf->ssid_len); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 1444 | if (!ssid->ssid) |
| 1445 | goto fail; |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 1446 | os_memcpy(ssid->ssid, conf->ssid, conf->ssid_len); |
| 1447 | ssid->ssid_len = conf->ssid_len; |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 1448 | |
Sunil Ravi | c0f5d41 | 2024-09-11 22:12:49 +0000 | [diff] [blame] | 1449 | #ifdef CONFIG_DPP3 |
| 1450 | if (conf->akm == DPP_AKM_SAE && conf->password_id[0]) { |
| 1451 | size_t len = os_strlen(conf->password_id); |
| 1452 | |
| 1453 | ssid->sae_password_id = os_zalloc(len + 1); |
| 1454 | if (!ssid->sae_password_id) |
| 1455 | goto fail; |
| 1456 | os_memcpy(ssid->sae_password_id, conf->password_id, len); |
| 1457 | } |
| 1458 | #endif /* CONFIG_DPP3 */ |
| 1459 | |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 1460 | if (conf->connector) { |
Hai Shalom | fdcde76 | 2020-04-02 11:19:20 -0700 | [diff] [blame] | 1461 | if (dpp_akm_dpp(conf->akm)) { |
| 1462 | ssid->key_mgmt = WPA_KEY_MGMT_DPP; |
| 1463 | ssid->ieee80211w = MGMT_FRAME_PROTECTION_REQUIRED; |
| 1464 | } |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 1465 | ssid->dpp_connector = os_strdup(conf->connector); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 1466 | if (!ssid->dpp_connector) |
| 1467 | goto fail; |
Sunil Ravi | 89eba10 | 2022-09-13 21:04:37 -0700 | [diff] [blame] | 1468 | |
| 1469 | ssid->dpp_connector_privacy = |
| 1470 | wpa_s->conf->dpp_connector_privacy_default; |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 1471 | } |
| 1472 | |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 1473 | if (conf->c_sign_key) { |
| 1474 | ssid->dpp_csign = os_malloc(wpabuf_len(conf->c_sign_key)); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 1475 | if (!ssid->dpp_csign) |
| 1476 | goto fail; |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 1477 | os_memcpy(ssid->dpp_csign, wpabuf_head(conf->c_sign_key), |
| 1478 | wpabuf_len(conf->c_sign_key)); |
| 1479 | ssid->dpp_csign_len = wpabuf_len(conf->c_sign_key); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 1480 | } |
| 1481 | |
Hai Shalom | 899fcc7 | 2020-10-19 14:38:18 -0700 | [diff] [blame] | 1482 | if (conf->pp_key) { |
| 1483 | ssid->dpp_pp_key = os_malloc(wpabuf_len(conf->pp_key)); |
| 1484 | if (!ssid->dpp_pp_key) |
| 1485 | goto fail; |
| 1486 | os_memcpy(ssid->dpp_pp_key, wpabuf_head(conf->pp_key), |
| 1487 | wpabuf_len(conf->pp_key)); |
| 1488 | ssid->dpp_pp_key_len = wpabuf_len(conf->pp_key); |
| 1489 | } |
| 1490 | |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 1491 | if (auth->net_access_key) { |
| 1492 | ssid->dpp_netaccesskey = |
| 1493 | os_malloc(wpabuf_len(auth->net_access_key)); |
| 1494 | if (!ssid->dpp_netaccesskey) |
| 1495 | goto fail; |
| 1496 | os_memcpy(ssid->dpp_netaccesskey, |
| 1497 | wpabuf_head(auth->net_access_key), |
| 1498 | wpabuf_len(auth->net_access_key)); |
| 1499 | ssid->dpp_netaccesskey_len = wpabuf_len(auth->net_access_key); |
| 1500 | ssid->dpp_netaccesskey_expiry = auth->net_access_key_expiry; |
| 1501 | } |
| 1502 | |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 1503 | if (!conf->connector || dpp_akm_psk(conf->akm) || |
| 1504 | dpp_akm_sae(conf->akm)) { |
Hai Shalom | fdcde76 | 2020-04-02 11:19:20 -0700 | [diff] [blame] | 1505 | if (!conf->connector || !dpp_akm_dpp(conf->akm)) |
Hai Shalom | 021b0b5 | 2019-04-10 11:17:58 -0700 | [diff] [blame] | 1506 | ssid->key_mgmt = 0; |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 1507 | if (dpp_akm_psk(conf->akm)) |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 1508 | ssid->key_mgmt |= WPA_KEY_MGMT_PSK | |
| 1509 | WPA_KEY_MGMT_PSK_SHA256 | WPA_KEY_MGMT_FT_PSK; |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 1510 | if (dpp_akm_sae(conf->akm)) |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 1511 | ssid->key_mgmt |= WPA_KEY_MGMT_SAE | |
| 1512 | WPA_KEY_MGMT_FT_SAE; |
Sunil Ravi | 38ad1ed | 2023-01-17 23:58:31 +0000 | [diff] [blame] | 1513 | if (dpp_akm_psk(conf->akm)) |
| 1514 | ssid->ieee80211w = MGMT_FRAME_PROTECTION_OPTIONAL; |
| 1515 | else |
| 1516 | ssid->ieee80211w = MGMT_FRAME_PROTECTION_REQUIRED; |
Sunil Ravi | c0f5d41 | 2024-09-11 22:12:49 +0000 | [diff] [blame] | 1517 | if (conf->passphrase[0] && dpp_akm_psk(conf->akm)) { |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 1518 | if (wpa_config_set_quoted(ssid, "psk", |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 1519 | conf->passphrase) < 0) |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 1520 | goto fail; |
| 1521 | wpa_config_update_psk(ssid); |
| 1522 | ssid->export_keys = 1; |
Sunil Ravi | c0f5d41 | 2024-09-11 22:12:49 +0000 | [diff] [blame] | 1523 | } else if (conf->passphrase[0] && dpp_akm_sae(conf->akm)) { |
| 1524 | if (wpa_config_set_quoted(ssid, "sae_password", |
| 1525 | conf->passphrase) < 0) |
| 1526 | goto fail; |
| 1527 | ssid->export_keys = 1; |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 1528 | } else { |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 1529 | ssid->psk_set = conf->psk_set; |
| 1530 | os_memcpy(ssid->psk, conf->psk, PMK_LEN); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 1531 | } |
| 1532 | } |
| 1533 | |
Hai Shalom | 899fcc7 | 2020-10-19 14:38:18 -0700 | [diff] [blame] | 1534 | #if defined(CONFIG_DPP2) && defined(IEEE8021X_EAPOL) |
| 1535 | if (conf->akm == DPP_AKM_DOT1X) { |
| 1536 | int i; |
| 1537 | char name[100], blobname[128]; |
| 1538 | struct wpa_config_blob *blob; |
| 1539 | |
| 1540 | ssid->key_mgmt = WPA_KEY_MGMT_IEEE8021X | |
| 1541 | WPA_KEY_MGMT_IEEE8021X_SHA256 | |
Sunil Ravi | 2a14cf1 | 2023-11-21 00:54:38 +0000 | [diff] [blame] | 1542 | WPA_KEY_MGMT_IEEE8021X_SHA384; |
Hai Shalom | 899fcc7 | 2020-10-19 14:38:18 -0700 | [diff] [blame] | 1543 | ssid->ieee80211w = MGMT_FRAME_PROTECTION_OPTIONAL; |
| 1544 | |
| 1545 | if (conf->cacert) { |
| 1546 | /* caCert is DER-encoded X.509v3 certificate for the |
| 1547 | * server certificate if that is different from the |
| 1548 | * trust root included in certBag. */ |
| 1549 | /* TODO: ssid->eap.cert.ca_cert */ |
| 1550 | } |
| 1551 | |
| 1552 | if (conf->certs) { |
| 1553 | for (i = 0; ; i++) { |
| 1554 | os_snprintf(name, sizeof(name), "dpp-certs-%d", |
| 1555 | i); |
| 1556 | if (!wpa_config_get_blob(wpa_s->conf, name)) |
| 1557 | break; |
| 1558 | } |
| 1559 | |
| 1560 | blob = os_zalloc(sizeof(*blob)); |
| 1561 | if (!blob) |
| 1562 | goto fail; |
| 1563 | blob->len = wpabuf_len(conf->certs); |
| 1564 | blob->name = os_strdup(name); |
| 1565 | blob->data = os_malloc(blob->len); |
| 1566 | if (!blob->name || !blob->data) { |
| 1567 | wpa_config_free_blob(blob); |
| 1568 | goto fail; |
| 1569 | } |
| 1570 | os_memcpy(blob->data, wpabuf_head(conf->certs), |
| 1571 | blob->len); |
| 1572 | os_snprintf(blobname, sizeof(blobname), "blob://%s", |
| 1573 | name); |
| 1574 | wpa_config_set_blob(wpa_s->conf, blob); |
| 1575 | wpa_printf(MSG_DEBUG, "DPP: Added certificate blob %s", |
| 1576 | name); |
| 1577 | ssid->eap.cert.client_cert = os_strdup(blobname); |
| 1578 | if (!ssid->eap.cert.client_cert) |
| 1579 | goto fail; |
| 1580 | |
| 1581 | /* TODO: ssid->eap.identity from own certificate */ |
| 1582 | if (wpa_config_set(ssid, "identity", "\"dpp-ent\"", |
| 1583 | 0) < 0) |
| 1584 | goto fail; |
| 1585 | } |
| 1586 | |
| 1587 | if (auth->priv_key) { |
| 1588 | for (i = 0; ; i++) { |
| 1589 | os_snprintf(name, sizeof(name), "dpp-key-%d", |
| 1590 | i); |
| 1591 | if (!wpa_config_get_blob(wpa_s->conf, name)) |
| 1592 | break; |
| 1593 | } |
| 1594 | |
| 1595 | blob = os_zalloc(sizeof(*blob)); |
| 1596 | if (!blob) |
| 1597 | goto fail; |
| 1598 | blob->len = wpabuf_len(auth->priv_key); |
| 1599 | blob->name = os_strdup(name); |
| 1600 | blob->data = os_malloc(blob->len); |
| 1601 | if (!blob->name || !blob->data) { |
| 1602 | wpa_config_free_blob(blob); |
| 1603 | goto fail; |
| 1604 | } |
| 1605 | os_memcpy(blob->data, wpabuf_head(auth->priv_key), |
| 1606 | blob->len); |
| 1607 | os_snprintf(blobname, sizeof(blobname), "blob://%s", |
| 1608 | name); |
| 1609 | wpa_config_set_blob(wpa_s->conf, blob); |
| 1610 | wpa_printf(MSG_DEBUG, "DPP: Added private key blob %s", |
| 1611 | name); |
| 1612 | ssid->eap.cert.private_key = os_strdup(blobname); |
| 1613 | if (!ssid->eap.cert.private_key) |
| 1614 | goto fail; |
| 1615 | } |
| 1616 | |
| 1617 | if (conf->server_name) { |
| 1618 | ssid->eap.cert.domain_suffix_match = |
| 1619 | os_strdup(conf->server_name); |
| 1620 | if (!ssid->eap.cert.domain_suffix_match) |
| 1621 | goto fail; |
| 1622 | } |
| 1623 | |
| 1624 | /* TODO: Use entCreds::eapMethods */ |
| 1625 | if (wpa_config_set(ssid, "eap", "TLS", 0) < 0) |
| 1626 | goto fail; |
| 1627 | } |
| 1628 | #endif /* CONFIG_DPP2 && IEEE8021X_EAPOL */ |
| 1629 | |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 1630 | os_memcpy(wpa_s->dpp_last_ssid, conf->ssid, conf->ssid_len); |
| 1631 | wpa_s->dpp_last_ssid_len = conf->ssid_len; |
| 1632 | |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 1633 | return ssid; |
| 1634 | fail: |
| 1635 | wpas_notify_network_removed(wpa_s, ssid); |
| 1636 | wpa_config_remove_network(wpa_s->conf, ssid->id); |
| 1637 | return NULL; |
| 1638 | } |
| 1639 | |
| 1640 | |
Hai Shalom | 021b0b5 | 2019-04-10 11:17:58 -0700 | [diff] [blame] | 1641 | static int wpas_dpp_process_config(struct wpa_supplicant *wpa_s, |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 1642 | struct dpp_authentication *auth, |
| 1643 | struct dpp_config_obj *conf) |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 1644 | { |
| 1645 | struct wpa_ssid *ssid; |
| 1646 | |
| 1647 | if (wpa_s->conf->dpp_config_processing < 1) |
Hai Shalom | 021b0b5 | 2019-04-10 11:17:58 -0700 | [diff] [blame] | 1648 | return 0; |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 1649 | |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 1650 | ssid = wpas_dpp_add_network(wpa_s, auth, conf); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 1651 | if (!ssid) |
Hai Shalom | 021b0b5 | 2019-04-10 11:17:58 -0700 | [diff] [blame] | 1652 | return -1; |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 1653 | |
| 1654 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_NETWORK_ID "%d", ssid->id); |
Hai Shalom | 5953285 | 2018-12-07 10:32:58 -0800 | [diff] [blame] | 1655 | |
Sunil Ravi | 546a7b5 | 2022-08-26 22:06:04 +0000 | [diff] [blame] | 1656 | wpas_notify_dpp_config_received(wpa_s, ssid, auth->conn_status_requested ? 1 : 0); |
Hai Shalom | 5953285 | 2018-12-07 10:32:58 -0800 | [diff] [blame] | 1657 | |
Hai Shalom | 021b0b5 | 2019-04-10 11:17:58 -0700 | [diff] [blame] | 1658 | if (wpa_s->conf->dpp_config_processing == 2) |
| 1659 | ssid->disabled = 0; |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 1660 | |
Hai Shalom | 021b0b5 | 2019-04-10 11:17:58 -0700 | [diff] [blame] | 1661 | #ifndef CONFIG_NO_CONFIG_WRITE |
| 1662 | if (wpa_s->conf->update_config && |
| 1663 | wpa_config_write(wpa_s->confname, wpa_s->conf)) |
| 1664 | wpa_printf(MSG_DEBUG, "DPP: Failed to update configuration"); |
| 1665 | #endif /* CONFIG_NO_CONFIG_WRITE */ |
| 1666 | |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 1667 | return 0; |
| 1668 | } |
| 1669 | |
| 1670 | |
| 1671 | static void wpas_dpp_post_process_config(struct wpa_supplicant *wpa_s, |
| 1672 | struct dpp_authentication *auth) |
| 1673 | { |
Hai Shalom | 4fbc08f | 2020-05-18 12:37:00 -0700 | [diff] [blame] | 1674 | #ifdef CONFIG_DPP2 |
| 1675 | if (auth->reconfig && wpa_s->dpp_reconfig_ssid && |
| 1676 | wpa_config_get_network(wpa_s->conf, wpa_s->dpp_reconfig_ssid_id) == |
| 1677 | wpa_s->dpp_reconfig_ssid) { |
| 1678 | wpa_printf(MSG_DEBUG, |
| 1679 | "DPP: Remove reconfigured network profile"); |
| 1680 | wpas_notify_network_removed(wpa_s, wpa_s->dpp_reconfig_ssid); |
| 1681 | wpa_config_remove_network(wpa_s->conf, |
| 1682 | wpa_s->dpp_reconfig_ssid_id); |
| 1683 | wpa_s->dpp_reconfig_ssid = NULL; |
| 1684 | wpa_s->dpp_reconfig_ssid_id = -1; |
| 1685 | } |
| 1686 | #endif /* CONFIG_DPP2 */ |
| 1687 | |
Hai Shalom | 021b0b5 | 2019-04-10 11:17:58 -0700 | [diff] [blame] | 1688 | if (wpa_s->conf->dpp_config_processing < 2) |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 1689 | return; |
Hai Shalom | 021b0b5 | 2019-04-10 11:17:58 -0700 | [diff] [blame] | 1690 | |
| 1691 | #ifdef CONFIG_DPP2 |
| 1692 | if (auth->peer_version >= 2) { |
| 1693 | wpa_printf(MSG_DEBUG, |
| 1694 | "DPP: Postpone connection attempt to wait for completion of DPP Configuration Result"); |
| 1695 | auth->connect_on_tx_status = 1; |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 1696 | return; |
Hai Shalom | 021b0b5 | 2019-04-10 11:17:58 -0700 | [diff] [blame] | 1697 | } |
| 1698 | #endif /* CONFIG_DPP2 */ |
| 1699 | |
| 1700 | wpas_dpp_try_to_connect(wpa_s); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 1701 | } |
| 1702 | |
| 1703 | |
Hai Shalom | 021b0b5 | 2019-04-10 11:17:58 -0700 | [diff] [blame] | 1704 | static int wpas_dpp_handle_config_obj(struct wpa_supplicant *wpa_s, |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 1705 | struct dpp_authentication *auth, |
| 1706 | struct dpp_config_obj *conf) |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 1707 | { |
| 1708 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_CONF_RECEIVED); |
Hai Shalom | 6084025 | 2021-02-19 19:02:11 -0800 | [diff] [blame] | 1709 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_CONFOBJ_AKM "%s", |
| 1710 | dpp_akm_str(conf->akm)); |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 1711 | if (conf->ssid_len) |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 1712 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_CONFOBJ_SSID "%s", |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 1713 | wpa_ssid_txt(conf->ssid, conf->ssid_len)); |
Ahmed ElArabawy | 0ff61c5 | 2019-12-26 12:38:39 -0800 | [diff] [blame] | 1714 | if (conf->ssid_charset) |
| 1715 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_CONFOBJ_SSID_CHARSET "%d", |
| 1716 | conf->ssid_charset); |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 1717 | if (conf->connector) { |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 1718 | /* TODO: Save the Connector and consider using a command |
| 1719 | * to fetch the value instead of sending an event with |
| 1720 | * it. The Connector could end up being larger than what |
| 1721 | * most clients are ready to receive as an event |
| 1722 | * message. */ |
| 1723 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_CONNECTOR "%s", |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 1724 | conf->connector); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 1725 | } |
Hai Shalom | 6084025 | 2021-02-19 19:02:11 -0800 | [diff] [blame] | 1726 | if (conf->passphrase[0]) { |
| 1727 | char hex[64 * 2 + 1]; |
| 1728 | |
| 1729 | wpa_snprintf_hex(hex, sizeof(hex), |
| 1730 | (const u8 *) conf->passphrase, |
| 1731 | os_strlen(conf->passphrase)); |
| 1732 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_CONFOBJ_PASS "%s", |
| 1733 | hex); |
| 1734 | } else if (conf->psk_set) { |
| 1735 | char hex[PMK_LEN * 2 + 1]; |
| 1736 | |
| 1737 | wpa_snprintf_hex(hex, sizeof(hex), conf->psk, PMK_LEN); |
| 1738 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_CONFOBJ_PSK "%s", |
| 1739 | hex); |
| 1740 | } |
Sunil Ravi | c0f5d41 | 2024-09-11 22:12:49 +0000 | [diff] [blame] | 1741 | #ifdef CONFIG_DPP3 |
| 1742 | if (conf->password_id[0]) { |
| 1743 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_CONFOBJ_IDPASS "%s", |
| 1744 | conf->password_id); |
| 1745 | } |
| 1746 | #endif /* CONFIG_DPP3 */ |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 1747 | if (conf->c_sign_key) { |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 1748 | char *hex; |
| 1749 | size_t hexlen; |
| 1750 | |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 1751 | hexlen = 2 * wpabuf_len(conf->c_sign_key) + 1; |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 1752 | hex = os_malloc(hexlen); |
| 1753 | if (hex) { |
| 1754 | wpa_snprintf_hex(hex, hexlen, |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 1755 | wpabuf_head(conf->c_sign_key), |
| 1756 | wpabuf_len(conf->c_sign_key)); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 1757 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_C_SIGN_KEY "%s", |
| 1758 | hex); |
| 1759 | os_free(hex); |
| 1760 | } |
| 1761 | } |
Hai Shalom | 899fcc7 | 2020-10-19 14:38:18 -0700 | [diff] [blame] | 1762 | if (conf->pp_key) { |
| 1763 | char *hex; |
| 1764 | size_t hexlen; |
| 1765 | |
| 1766 | hexlen = 2 * wpabuf_len(conf->pp_key) + 1; |
| 1767 | hex = os_malloc(hexlen); |
| 1768 | if (hex) { |
| 1769 | wpa_snprintf_hex(hex, hexlen, |
| 1770 | wpabuf_head(conf->pp_key), |
| 1771 | wpabuf_len(conf->pp_key)); |
| 1772 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_PP_KEY "%s", hex); |
| 1773 | os_free(hex); |
| 1774 | } |
| 1775 | } |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 1776 | if (auth->net_access_key) { |
| 1777 | char *hex; |
| 1778 | size_t hexlen; |
| 1779 | |
| 1780 | hexlen = 2 * wpabuf_len(auth->net_access_key) + 1; |
| 1781 | hex = os_malloc(hexlen); |
| 1782 | if (hex) { |
| 1783 | wpa_snprintf_hex(hex, hexlen, |
| 1784 | wpabuf_head(auth->net_access_key), |
| 1785 | wpabuf_len(auth->net_access_key)); |
| 1786 | if (auth->net_access_key_expiry) |
| 1787 | wpa_msg(wpa_s, MSG_INFO, |
| 1788 | DPP_EVENT_NET_ACCESS_KEY "%s %lu", hex, |
| 1789 | (long unsigned) |
| 1790 | auth->net_access_key_expiry); |
| 1791 | else |
| 1792 | wpa_msg(wpa_s, MSG_INFO, |
| 1793 | DPP_EVENT_NET_ACCESS_KEY "%s", hex); |
| 1794 | os_free(hex); |
| 1795 | } |
| 1796 | } |
| 1797 | |
Hai Shalom | 899fcc7 | 2020-10-19 14:38:18 -0700 | [diff] [blame] | 1798 | #ifdef CONFIG_DPP2 |
| 1799 | if (conf->certbag) { |
| 1800 | char *b64; |
| 1801 | |
| 1802 | b64 = base64_encode_no_lf(wpabuf_head(conf->certbag), |
| 1803 | wpabuf_len(conf->certbag), NULL); |
| 1804 | if (b64) |
| 1805 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_CERTBAG "%s", b64); |
| 1806 | os_free(b64); |
| 1807 | } |
| 1808 | |
| 1809 | if (conf->cacert) { |
| 1810 | char *b64; |
| 1811 | |
| 1812 | b64 = base64_encode_no_lf(wpabuf_head(conf->cacert), |
| 1813 | wpabuf_len(conf->cacert), NULL); |
| 1814 | if (b64) |
| 1815 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_CACERT "%s", b64); |
| 1816 | os_free(b64); |
| 1817 | } |
| 1818 | |
| 1819 | if (conf->server_name) |
| 1820 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_SERVER_NAME "%s", |
| 1821 | conf->server_name); |
| 1822 | #endif /* CONFIG_DPP2 */ |
| 1823 | |
Sunil Ravi | 89eba10 | 2022-09-13 21:04:37 -0700 | [diff] [blame] | 1824 | #ifdef CONFIG_DPP3 |
| 1825 | if (!wpa_s->dpp_pb_result_indicated) { |
| 1826 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_PB_RESULT "success"); |
| 1827 | wpa_s->dpp_pb_result_indicated = true; |
| 1828 | } |
| 1829 | |
| 1830 | #endif /* CONFIG_DPP3 */ |
| 1831 | |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 1832 | return wpas_dpp_process_config(wpa_s, auth, conf); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 1833 | } |
| 1834 | |
| 1835 | |
Hai Shalom | fdcde76 | 2020-04-02 11:19:20 -0700 | [diff] [blame] | 1836 | static int wpas_dpp_handle_key_pkg(struct wpa_supplicant *wpa_s, |
| 1837 | struct dpp_asymmetric_key *key) |
| 1838 | { |
| 1839 | #ifdef CONFIG_DPP2 |
| 1840 | int res; |
| 1841 | |
| 1842 | if (!key) |
| 1843 | return 0; |
| 1844 | |
| 1845 | wpa_printf(MSG_DEBUG, "DPP: Received Configurator backup"); |
| 1846 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_CONF_RECEIVED); |
Hai Shalom | 899fcc7 | 2020-10-19 14:38:18 -0700 | [diff] [blame] | 1847 | wpa_s->dpp_conf_backup_received = true; |
Hai Shalom | fdcde76 | 2020-04-02 11:19:20 -0700 | [diff] [blame] | 1848 | |
| 1849 | while (key) { |
| 1850 | res = dpp_configurator_from_backup(wpa_s->dpp, key); |
| 1851 | if (res < 0) |
| 1852 | return -1; |
| 1853 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_CONFIGURATOR_ID "%d", |
| 1854 | res); |
| 1855 | key = key->next; |
| 1856 | } |
| 1857 | #endif /* CONFIG_DPP2 */ |
| 1858 | |
| 1859 | return 0; |
| 1860 | } |
| 1861 | |
| 1862 | |
Hai Shalom | 899fcc7 | 2020-10-19 14:38:18 -0700 | [diff] [blame] | 1863 | #ifdef CONFIG_DPP2 |
| 1864 | static void wpas_dpp_build_csr(void *eloop_ctx, void *timeout_ctx) |
| 1865 | { |
| 1866 | struct wpa_supplicant *wpa_s = eloop_ctx; |
| 1867 | struct dpp_authentication *auth = wpa_s->dpp_auth; |
| 1868 | |
| 1869 | if (!auth || !auth->csrattrs) |
| 1870 | return; |
| 1871 | |
| 1872 | wpa_printf(MSG_DEBUG, "DPP: Build CSR"); |
| 1873 | wpabuf_free(auth->csr); |
| 1874 | /* TODO: Additional information needed for CSR based on csrAttrs */ |
| 1875 | auth->csr = dpp_build_csr(auth, wpa_s->conf->dpp_name ? |
| 1876 | wpa_s->conf->dpp_name : "Test"); |
| 1877 | if (!auth->csr) { |
| 1878 | dpp_auth_deinit(wpa_s->dpp_auth); |
| 1879 | wpa_s->dpp_auth = NULL; |
| 1880 | return; |
| 1881 | } |
| 1882 | |
| 1883 | wpas_dpp_start_gas_client(wpa_s); |
| 1884 | } |
| 1885 | #endif /* CONFIG_DPP2 */ |
| 1886 | |
| 1887 | |
Sunil Ravi | a04bd25 | 2022-05-02 22:54:18 -0700 | [diff] [blame] | 1888 | #ifdef CONFIG_DPP3 |
| 1889 | static void wpas_dpp_build_new_key(void *eloop_ctx, void *timeout_ctx) |
| 1890 | { |
| 1891 | struct wpa_supplicant *wpa_s = eloop_ctx; |
| 1892 | struct dpp_authentication *auth = wpa_s->dpp_auth; |
| 1893 | |
| 1894 | if (!auth || !auth->waiting_new_key) |
| 1895 | return; |
| 1896 | |
| 1897 | wpa_printf(MSG_DEBUG, "DPP: Build config request with a new key"); |
| 1898 | wpas_dpp_start_gas_client(wpa_s); |
| 1899 | } |
| 1900 | #endif /* CONFIG_DPP3 */ |
| 1901 | |
| 1902 | |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 1903 | static void wpas_dpp_gas_resp_cb(void *ctx, const u8 *addr, u8 dialog_token, |
| 1904 | enum gas_query_result result, |
| 1905 | const struct wpabuf *adv_proto, |
| 1906 | const struct wpabuf *resp, u16 status_code) |
| 1907 | { |
| 1908 | struct wpa_supplicant *wpa_s = ctx; |
| 1909 | const u8 *pos; |
| 1910 | struct dpp_authentication *auth = wpa_s->dpp_auth; |
Hai Shalom | 021b0b5 | 2019-04-10 11:17:58 -0700 | [diff] [blame] | 1911 | int res; |
| 1912 | enum dpp_status_error status = DPP_STATUS_CONFIG_REJECTED; |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 1913 | unsigned int i; |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 1914 | |
Hai Shalom | a20dcd7 | 2022-02-04 13:43:00 -0800 | [diff] [blame] | 1915 | eloop_cancel_timeout(wpas_dpp_gas_client_timeout, wpa_s, NULL); |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 1916 | wpa_s->dpp_gas_dialog_token = -1; |
| 1917 | |
Hai Shalom | 4fbc08f | 2020-05-18 12:37:00 -0700 | [diff] [blame] | 1918 | if (!auth || (!auth->auth_success && !auth->reconfig_success) || |
Sunil Ravi | b0ac25f | 2024-07-12 01:42:03 +0000 | [diff] [blame] | 1919 | !ether_addr_equal(addr, auth->peer_mac_addr)) { |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 1920 | wpa_printf(MSG_DEBUG, "DPP: No matching exchange in progress"); |
| 1921 | return; |
| 1922 | } |
Hai Shalom | 74f70d4 | 2019-02-11 14:42:39 -0800 | [diff] [blame] | 1923 | if (result != GAS_QUERY_SUCCESS || |
| 1924 | !resp || status_code != WLAN_STATUS_SUCCESS) { |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 1925 | wpa_printf(MSG_DEBUG, "DPP: GAS query did not succeed"); |
| 1926 | goto fail; |
| 1927 | } |
| 1928 | |
| 1929 | wpa_hexdump_buf(MSG_DEBUG, "DPP: Configuration Response adv_proto", |
| 1930 | adv_proto); |
| 1931 | wpa_hexdump_buf(MSG_DEBUG, "DPP: Configuration Response (GAS response)", |
| 1932 | resp); |
| 1933 | |
| 1934 | if (wpabuf_len(adv_proto) != 10 || |
| 1935 | !(pos = wpabuf_head(adv_proto)) || |
| 1936 | pos[0] != WLAN_EID_ADV_PROTO || |
| 1937 | pos[1] != 8 || |
| 1938 | pos[3] != WLAN_EID_VENDOR_SPECIFIC || |
| 1939 | pos[4] != 5 || |
| 1940 | WPA_GET_BE24(&pos[5]) != OUI_WFA || |
| 1941 | pos[8] != 0x1a || |
| 1942 | pos[9] != 1) { |
| 1943 | wpa_printf(MSG_DEBUG, |
| 1944 | "DPP: Not a DPP Advertisement Protocol ID"); |
| 1945 | goto fail; |
| 1946 | } |
| 1947 | |
Hai Shalom | 899fcc7 | 2020-10-19 14:38:18 -0700 | [diff] [blame] | 1948 | res = dpp_conf_resp_rx(auth, resp); |
| 1949 | #ifdef CONFIG_DPP2 |
| 1950 | if (res == -2) { |
| 1951 | wpa_printf(MSG_DEBUG, "DPP: CSR needed"); |
| 1952 | eloop_register_timeout(0, 0, wpas_dpp_build_csr, wpa_s, NULL); |
| 1953 | return; |
| 1954 | } |
| 1955 | #endif /* CONFIG_DPP2 */ |
Sunil Ravi | a04bd25 | 2022-05-02 22:54:18 -0700 | [diff] [blame] | 1956 | #ifdef CONFIG_DPP3 |
| 1957 | if (res == -3) { |
| 1958 | wpa_printf(MSG_DEBUG, "DPP: New protocol key needed"); |
| 1959 | eloop_register_timeout(0, 0, wpas_dpp_build_new_key, wpa_s, |
| 1960 | NULL); |
| 1961 | return; |
| 1962 | } |
| 1963 | #endif /* CONFIG_DPP3 */ |
Hai Shalom | 899fcc7 | 2020-10-19 14:38:18 -0700 | [diff] [blame] | 1964 | if (res < 0) { |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 1965 | wpa_printf(MSG_DEBUG, "DPP: Configuration attempt failed"); |
| 1966 | goto fail; |
| 1967 | } |
| 1968 | |
Hai Shalom | 899fcc7 | 2020-10-19 14:38:18 -0700 | [diff] [blame] | 1969 | wpa_s->dpp_conf_backup_received = false; |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 1970 | for (i = 0; i < auth->num_conf_obj; i++) { |
| 1971 | res = wpas_dpp_handle_config_obj(wpa_s, auth, |
| 1972 | &auth->conf_obj[i]); |
| 1973 | if (res < 0) |
| 1974 | goto fail; |
| 1975 | } |
| 1976 | if (auth->num_conf_obj) |
| 1977 | wpas_dpp_post_process_config(wpa_s, auth); |
Hai Shalom | fdcde76 | 2020-04-02 11:19:20 -0700 | [diff] [blame] | 1978 | if (wpas_dpp_handle_key_pkg(wpa_s, auth->conf_key_pkg) < 0) |
| 1979 | goto fail; |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 1980 | |
Hai Shalom | 021b0b5 | 2019-04-10 11:17:58 -0700 | [diff] [blame] | 1981 | status = DPP_STATUS_OK; |
| 1982 | #ifdef CONFIG_TESTING_OPTIONS |
| 1983 | if (dpp_test == DPP_TEST_REJECT_CONFIG) { |
| 1984 | wpa_printf(MSG_INFO, "DPP: TESTING - Reject Config Object"); |
| 1985 | status = DPP_STATUS_CONFIG_REJECTED; |
| 1986 | } |
| 1987 | #endif /* CONFIG_TESTING_OPTIONS */ |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 1988 | fail: |
Hai Shalom | 021b0b5 | 2019-04-10 11:17:58 -0700 | [diff] [blame] | 1989 | if (status != DPP_STATUS_OK) { |
| 1990 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_CONF_FAILED); |
| 1991 | wpas_notify_dpp_configuration_failure(wpa_s); |
| 1992 | } |
| 1993 | #ifdef CONFIG_DPP2 |
| 1994 | if (auth->peer_version >= 2 && |
| 1995 | auth->conf_resp_status == DPP_STATUS_OK) { |
| 1996 | struct wpabuf *msg; |
| 1997 | |
| 1998 | wpa_printf(MSG_DEBUG, "DPP: Send DPP Configuration Result"); |
| 1999 | msg = dpp_build_conf_result(auth, status); |
| 2000 | if (!msg) |
| 2001 | goto fail2; |
| 2002 | |
| 2003 | wpa_msg(wpa_s, MSG_INFO, |
| 2004 | DPP_EVENT_TX "dst=" MACSTR " freq=%u type=%d", |
| 2005 | MAC2STR(addr), auth->curr_freq, |
| 2006 | DPP_PA_CONFIGURATION_RESULT); |
| 2007 | offchannel_send_action(wpa_s, auth->curr_freq, |
| 2008 | addr, wpa_s->own_addr, broadcast, |
| 2009 | wpabuf_head(msg), |
| 2010 | wpabuf_len(msg), |
| 2011 | 500, wpas_dpp_tx_status, 0); |
| 2012 | wpabuf_free(msg); |
| 2013 | |
| 2014 | /* This exchange will be terminated in the TX status handler */ |
Sunil Ravi | 546a7b5 | 2022-08-26 22:06:04 +0000 | [diff] [blame] | 2015 | if (wpa_s->conf->dpp_config_processing < 1 || |
Hai Shalom | 899fcc7 | 2020-10-19 14:38:18 -0700 | [diff] [blame] | 2016 | wpa_s->dpp_conf_backup_received) |
| 2017 | auth->remove_on_tx_status = 1; |
Hai Shalom | 021b0b5 | 2019-04-10 11:17:58 -0700 | [diff] [blame] | 2018 | return; |
| 2019 | } |
| 2020 | fail2: |
| 2021 | #endif /* CONFIG_DPP2 */ |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 2022 | dpp_auth_deinit(wpa_s->dpp_auth); |
| 2023 | wpa_s->dpp_auth = NULL; |
| 2024 | } |
| 2025 | |
| 2026 | |
Hai Shalom | a20dcd7 | 2022-02-04 13:43:00 -0800 | [diff] [blame] | 2027 | static void wpas_dpp_gas_client_timeout(void *eloop_ctx, void *timeout_ctx) |
| 2028 | { |
| 2029 | struct wpa_supplicant *wpa_s = eloop_ctx; |
| 2030 | struct dpp_authentication *auth = wpa_s->dpp_auth; |
| 2031 | |
| 2032 | if (!wpa_s->dpp_gas_client || !auth || |
| 2033 | (!auth->auth_success && !auth->reconfig_success)) |
| 2034 | return; |
| 2035 | |
| 2036 | wpa_printf(MSG_DEBUG, "DPP: Timeout while waiting for Config Response"); |
| 2037 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_CONF_FAILED); |
| 2038 | dpp_auth_deinit(wpa_s->dpp_auth); |
| 2039 | wpa_s->dpp_auth = NULL; |
| 2040 | } |
| 2041 | |
| 2042 | |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 2043 | static void wpas_dpp_start_gas_client(struct wpa_supplicant *wpa_s) |
| 2044 | { |
| 2045 | struct dpp_authentication *auth = wpa_s->dpp_auth; |
Hai Shalom | 021b0b5 | 2019-04-10 11:17:58 -0700 | [diff] [blame] | 2046 | struct wpabuf *buf; |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 2047 | int res; |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 2048 | int *supp_op_classes; |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 2049 | |
| 2050 | wpa_s->dpp_gas_client = 1; |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 2051 | offchannel_send_action_done(wpa_s); |
| 2052 | wpas_dpp_listen_stop(wpa_s); |
| 2053 | |
Sunil Ravi | b0ac25f | 2024-07-12 01:42:03 +0000 | [diff] [blame] | 2054 | #ifdef CONFIG_NO_RRM |
| 2055 | supp_op_classes = NULL; |
| 2056 | #else /* CONFIG_NO_RRM */ |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 2057 | supp_op_classes = wpas_supp_op_classes(wpa_s); |
Sunil Ravi | b0ac25f | 2024-07-12 01:42:03 +0000 | [diff] [blame] | 2058 | #endif /* CONFIG_NO_RRM */ |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 2059 | buf = dpp_build_conf_req_helper(auth, wpa_s->conf->dpp_name, |
Ahmed ElArabawy | 0ff61c5 | 2019-12-26 12:38:39 -0800 | [diff] [blame] | 2060 | wpa_s->dpp_netrole, |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 2061 | wpa_s->conf->dpp_mud_url, |
Sunil Ravi | 89eba10 | 2022-09-13 21:04:37 -0700 | [diff] [blame] | 2062 | supp_op_classes, |
| 2063 | wpa_s->conf->dpp_extra_conf_req_name, |
| 2064 | wpa_s->conf->dpp_extra_conf_req_value); |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 2065 | os_free(supp_op_classes); |
Hai Shalom | 021b0b5 | 2019-04-10 11:17:58 -0700 | [diff] [blame] | 2066 | if (!buf) { |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 2067 | wpa_printf(MSG_DEBUG, |
| 2068 | "DPP: No configuration request data available"); |
| 2069 | return; |
| 2070 | } |
| 2071 | |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 2072 | wpa_printf(MSG_DEBUG, "DPP: GAS request to " MACSTR " (freq %u MHz)", |
| 2073 | MAC2STR(auth->peer_mac_addr), auth->curr_freq); |
| 2074 | |
Hai Shalom | a20dcd7 | 2022-02-04 13:43:00 -0800 | [diff] [blame] | 2075 | /* Use a 120 second timeout since the gas_query_req() operation could |
| 2076 | * remain waiting indefinitely for the response if the Configurator |
| 2077 | * keeps sending out comeback responses with additional delay. The |
| 2078 | * DPP technical specification expects the Enrollee to continue sending |
| 2079 | * out new Config Requests for 60 seconds, so this gives an extra 60 |
| 2080 | * second time after the last expected new Config Request for the |
| 2081 | * Configurator to determine what kind of configuration to provide. */ |
| 2082 | eloop_register_timeout(120, 0, wpas_dpp_gas_client_timeout, |
| 2083 | wpa_s, NULL); |
| 2084 | |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 2085 | res = gas_query_req(wpa_s->gas, auth->peer_mac_addr, auth->curr_freq, |
Hai Shalom | b755a2a | 2020-04-23 21:49:02 -0700 | [diff] [blame] | 2086 | 1, 1, buf, wpas_dpp_gas_resp_cb, wpa_s); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 2087 | if (res < 0) { |
| 2088 | wpa_msg(wpa_s, MSG_DEBUG, "GAS: Failed to send Query Request"); |
| 2089 | wpabuf_free(buf); |
| 2090 | } else { |
| 2091 | wpa_printf(MSG_DEBUG, |
| 2092 | "DPP: GAS query started with dialog token %u", res); |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 2093 | wpa_s->dpp_gas_dialog_token = res; |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 2094 | } |
| 2095 | } |
| 2096 | |
| 2097 | |
| 2098 | static void wpas_dpp_auth_success(struct wpa_supplicant *wpa_s, int initiator) |
| 2099 | { |
| 2100 | wpa_printf(MSG_DEBUG, "DPP: Authentication succeeded"); |
Sunil Ravi | 38ad1ed | 2023-01-17 23:58:31 +0000 | [diff] [blame] | 2101 | dpp_notify_auth_success(wpa_s->dpp_auth, initiator); |
Hai Shalom | 706f99b | 2019-01-08 16:23:37 -0800 | [diff] [blame] | 2102 | wpas_notify_dpp_auth_success(wpa_s); |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 2103 | #ifdef CONFIG_TESTING_OPTIONS |
| 2104 | if (dpp_test == DPP_TEST_STOP_AT_AUTH_CONF) { |
| 2105 | wpa_printf(MSG_INFO, |
| 2106 | "DPP: TESTING - stop at Authentication Confirm"); |
| 2107 | if (wpa_s->dpp_auth->configurator) { |
| 2108 | /* Prevent GAS response */ |
| 2109 | wpa_s->dpp_auth->auth_success = 0; |
| 2110 | } |
| 2111 | return; |
| 2112 | } |
| 2113 | #endif /* CONFIG_TESTING_OPTIONS */ |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 2114 | |
| 2115 | if (wpa_s->dpp_auth->configurator) |
| 2116 | wpas_dpp_start_gas_server(wpa_s); |
| 2117 | else |
| 2118 | wpas_dpp_start_gas_client(wpa_s); |
| 2119 | } |
| 2120 | |
| 2121 | |
| 2122 | static void wpas_dpp_rx_auth_resp(struct wpa_supplicant *wpa_s, const u8 *src, |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 2123 | const u8 *hdr, const u8 *buf, size_t len, |
| 2124 | unsigned int freq) |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 2125 | { |
| 2126 | struct dpp_authentication *auth = wpa_s->dpp_auth; |
| 2127 | struct wpabuf *msg; |
| 2128 | |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 2129 | wpa_printf(MSG_DEBUG, "DPP: Authentication Response from " MACSTR |
| 2130 | " (freq %u MHz)", MAC2STR(src), freq); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 2131 | |
| 2132 | if (!auth) { |
| 2133 | wpa_printf(MSG_DEBUG, |
| 2134 | "DPP: No DPP Authentication in progress - drop"); |
| 2135 | return; |
| 2136 | } |
| 2137 | |
| 2138 | if (!is_zero_ether_addr(auth->peer_mac_addr) && |
Sunil Ravi | b0ac25f | 2024-07-12 01:42:03 +0000 | [diff] [blame] | 2139 | !ether_addr_equal(src, auth->peer_mac_addr)) { |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 2140 | wpa_printf(MSG_DEBUG, "DPP: MAC address mismatch (expected " |
| 2141 | MACSTR ") - drop", MAC2STR(auth->peer_mac_addr)); |
| 2142 | return; |
| 2143 | } |
| 2144 | |
| 2145 | eloop_cancel_timeout(wpas_dpp_reply_wait_timeout, wpa_s, NULL); |
| 2146 | |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 2147 | if (auth->curr_freq != freq && auth->neg_freq == freq) { |
| 2148 | wpa_printf(MSG_DEBUG, |
| 2149 | "DPP: Responder accepted request for different negotiation channel"); |
| 2150 | auth->curr_freq = freq; |
| 2151 | } |
| 2152 | |
| 2153 | eloop_cancel_timeout(wpas_dpp_init_timeout, wpa_s, NULL); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 2154 | msg = dpp_auth_resp_rx(auth, hdr, buf, len); |
| 2155 | if (!msg) { |
| 2156 | if (auth->auth_resp_status == DPP_STATUS_RESPONSE_PENDING) { |
| 2157 | wpa_printf(MSG_DEBUG, |
| 2158 | "DPP: Start wait for full response"); |
Hai Shalom | 706f99b | 2019-01-08 16:23:37 -0800 | [diff] [blame] | 2159 | wpas_notify_dpp_resp_pending(wpa_s); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 2160 | offchannel_send_action_done(wpa_s); |
| 2161 | wpas_dpp_listen_start(wpa_s, auth->curr_freq); |
| 2162 | return; |
| 2163 | } |
| 2164 | wpa_printf(MSG_DEBUG, "DPP: No confirm generated"); |
| 2165 | return; |
| 2166 | } |
| 2167 | os_memcpy(auth->peer_mac_addr, src, ETH_ALEN); |
| 2168 | |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 2169 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_TX "dst=" MACSTR " freq=%u type=%d", |
| 2170 | MAC2STR(src), auth->curr_freq, DPP_PA_AUTHENTICATION_CONF); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 2171 | offchannel_send_action(wpa_s, auth->curr_freq, |
| 2172 | src, wpa_s->own_addr, broadcast, |
| 2173 | wpabuf_head(msg), wpabuf_len(msg), |
| 2174 | 500, wpas_dpp_tx_status, 0); |
| 2175 | wpabuf_free(msg); |
| 2176 | wpa_s->dpp_auth_ok_on_ack = 1; |
| 2177 | } |
| 2178 | |
| 2179 | |
| 2180 | static void wpas_dpp_rx_auth_conf(struct wpa_supplicant *wpa_s, const u8 *src, |
| 2181 | const u8 *hdr, const u8 *buf, size_t len) |
| 2182 | { |
| 2183 | struct dpp_authentication *auth = wpa_s->dpp_auth; |
| 2184 | |
| 2185 | wpa_printf(MSG_DEBUG, "DPP: Authentication Confirmation from " MACSTR, |
| 2186 | MAC2STR(src)); |
| 2187 | |
| 2188 | if (!auth) { |
| 2189 | wpa_printf(MSG_DEBUG, |
| 2190 | "DPP: No DPP Authentication in progress - drop"); |
| 2191 | return; |
| 2192 | } |
| 2193 | |
Sunil Ravi | b0ac25f | 2024-07-12 01:42:03 +0000 | [diff] [blame] | 2194 | if (!ether_addr_equal(src, auth->peer_mac_addr)) { |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 2195 | wpa_printf(MSG_DEBUG, "DPP: MAC address mismatch (expected " |
| 2196 | MACSTR ") - drop", MAC2STR(auth->peer_mac_addr)); |
| 2197 | return; |
| 2198 | } |
| 2199 | |
Hai Shalom | 6084025 | 2021-02-19 19:02:11 -0800 | [diff] [blame] | 2200 | eloop_cancel_timeout(wpas_dpp_auth_conf_wait_timeout, wpa_s, NULL); |
| 2201 | |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 2202 | if (dpp_auth_conf_rx(auth, hdr, buf, len) < 0) { |
| 2203 | wpa_printf(MSG_DEBUG, "DPP: Authentication failed"); |
Hai Shalom | 706f99b | 2019-01-08 16:23:37 -0800 | [diff] [blame] | 2204 | wpas_notify_dpp_auth_failure(wpa_s); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 2205 | return; |
| 2206 | } |
| 2207 | |
| 2208 | wpas_dpp_auth_success(wpa_s, 0); |
| 2209 | } |
| 2210 | |
| 2211 | |
Hai Shalom | 021b0b5 | 2019-04-10 11:17:58 -0700 | [diff] [blame] | 2212 | #ifdef CONFIG_DPP2 |
| 2213 | |
| 2214 | static void wpas_dpp_config_result_wait_timeout(void *eloop_ctx, |
| 2215 | void *timeout_ctx) |
| 2216 | { |
| 2217 | struct wpa_supplicant *wpa_s = eloop_ctx; |
| 2218 | struct dpp_authentication *auth = wpa_s->dpp_auth; |
| 2219 | |
| 2220 | if (!auth || !auth->waiting_conf_result) |
| 2221 | return; |
| 2222 | |
| 2223 | wpa_printf(MSG_DEBUG, |
| 2224 | "DPP: Timeout while waiting for Configuration Result"); |
| 2225 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_CONF_FAILED); |
Hai Shalom | 0676811 | 2019-12-04 15:49:43 -0800 | [diff] [blame] | 2226 | wpas_notify_dpp_configuration_failure(wpa_s); |
Hai Shalom | 021b0b5 | 2019-04-10 11:17:58 -0700 | [diff] [blame] | 2227 | dpp_auth_deinit(auth); |
| 2228 | wpa_s->dpp_auth = NULL; |
| 2229 | } |
| 2230 | |
| 2231 | |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 2232 | static void wpas_dpp_conn_status_result_wait_timeout(void *eloop_ctx, |
| 2233 | void *timeout_ctx) |
| 2234 | { |
| 2235 | struct wpa_supplicant *wpa_s = eloop_ctx; |
| 2236 | struct dpp_authentication *auth = wpa_s->dpp_auth; |
| 2237 | |
| 2238 | if (!auth || !auth->waiting_conn_status_result) |
| 2239 | return; |
| 2240 | |
| 2241 | wpa_printf(MSG_DEBUG, |
| 2242 | "DPP: Timeout while waiting for Connection Status Result"); |
| 2243 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_CONN_STATUS_RESULT "timeout"); |
Hai Shalom | 0676811 | 2019-12-04 15:49:43 -0800 | [diff] [blame] | 2244 | wpas_notify_dpp_timeout(wpa_s); |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 2245 | wpas_dpp_listen_stop(wpa_s); |
| 2246 | dpp_auth_deinit(auth); |
| 2247 | wpa_s->dpp_auth = NULL; |
| 2248 | } |
| 2249 | |
| 2250 | |
Sunil Ravi | 89eba10 | 2022-09-13 21:04:37 -0700 | [diff] [blame] | 2251 | #ifdef CONFIG_DPP3 |
| 2252 | |
| 2253 | static bool wpas_dpp_pb_active(struct wpa_supplicant *wpa_s) |
| 2254 | { |
| 2255 | return (wpa_s->dpp_pb_time.sec || wpa_s->dpp_pb_time.usec) && |
| 2256 | wpa_s->dpp_pb_configurator; |
| 2257 | } |
| 2258 | |
| 2259 | |
| 2260 | static void wpas_dpp_remove_pb_hash(struct wpa_supplicant *wpa_s) |
| 2261 | { |
| 2262 | int i; |
| 2263 | |
| 2264 | if (!wpa_s->dpp_pb_bi) |
| 2265 | return; |
| 2266 | for (i = 0; i < DPP_PB_INFO_COUNT; i++) { |
| 2267 | struct dpp_pb_info *info = &wpa_s->dpp_pb[i]; |
| 2268 | |
| 2269 | if (info->rx_time.sec == 0 && info->rx_time.usec == 0) |
| 2270 | continue; |
| 2271 | if (os_memcmp(info->hash, wpa_s->dpp_pb_resp_hash, |
| 2272 | SHA256_MAC_LEN) == 0) { |
| 2273 | /* Allow a new push button session to be established |
| 2274 | * immediately without the successfully completed |
| 2275 | * session triggering session overlap. */ |
| 2276 | info->rx_time.sec = 0; |
| 2277 | info->rx_time.usec = 0; |
| 2278 | wpa_printf(MSG_DEBUG, |
| 2279 | "DPP: Removed PB hash from session overlap detection due to successfully completed provisioning"); |
| 2280 | } |
| 2281 | } |
| 2282 | } |
| 2283 | |
| 2284 | #endif /* CONFIG_DPP3 */ |
| 2285 | |
| 2286 | |
Hai Shalom | 021b0b5 | 2019-04-10 11:17:58 -0700 | [diff] [blame] | 2287 | static void wpas_dpp_rx_conf_result(struct wpa_supplicant *wpa_s, const u8 *src, |
| 2288 | const u8 *hdr, const u8 *buf, size_t len) |
| 2289 | { |
| 2290 | struct dpp_authentication *auth = wpa_s->dpp_auth; |
| 2291 | enum dpp_status_error status; |
| 2292 | |
| 2293 | wpa_printf(MSG_DEBUG, "DPP: Configuration Result from " MACSTR, |
| 2294 | MAC2STR(src)); |
| 2295 | |
| 2296 | if (!auth || !auth->waiting_conf_result) { |
Hai Shalom | 6084025 | 2021-02-19 19:02:11 -0800 | [diff] [blame] | 2297 | if (auth && |
Sunil Ravi | b0ac25f | 2024-07-12 01:42:03 +0000 | [diff] [blame] | 2298 | ether_addr_equal(src, auth->peer_mac_addr) && |
Hai Shalom | 6084025 | 2021-02-19 19:02:11 -0800 | [diff] [blame] | 2299 | gas_server_response_sent(wpa_s->gas_server, |
| 2300 | auth->gas_server_ctx)) { |
| 2301 | /* This could happen if the TX status event gets delayed |
| 2302 | * long enough for the Enrollee to have time to send |
| 2303 | * the next frame before the TX status gets processed |
| 2304 | * locally. */ |
| 2305 | wpa_printf(MSG_DEBUG, |
| 2306 | "DPP: GAS response was sent but TX status not yet received - assume it was ACKed since the Enrollee sent the next frame in the sequence"); |
| 2307 | auth->waiting_conf_result = 1; |
| 2308 | } else { |
| 2309 | wpa_printf(MSG_DEBUG, |
| 2310 | "DPP: No DPP Configuration waiting for result - drop"); |
| 2311 | return; |
| 2312 | } |
Hai Shalom | 021b0b5 | 2019-04-10 11:17:58 -0700 | [diff] [blame] | 2313 | } |
| 2314 | |
Sunil Ravi | b0ac25f | 2024-07-12 01:42:03 +0000 | [diff] [blame] | 2315 | if (!ether_addr_equal(src, auth->peer_mac_addr)) { |
Hai Shalom | 021b0b5 | 2019-04-10 11:17:58 -0700 | [diff] [blame] | 2316 | wpa_printf(MSG_DEBUG, "DPP: MAC address mismatch (expected " |
| 2317 | MACSTR ") - drop", MAC2STR(auth->peer_mac_addr)); |
| 2318 | return; |
| 2319 | } |
| 2320 | |
| 2321 | status = dpp_conf_result_rx(auth, hdr, buf, len); |
| 2322 | |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 2323 | if (status == DPP_STATUS_OK && auth->send_conn_status) { |
Hai Shalom | a20dcd7 | 2022-02-04 13:43:00 -0800 | [diff] [blame] | 2324 | int freq; |
| 2325 | |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 2326 | wpa_msg(wpa_s, MSG_INFO, |
Sunil Ravi | 89eba10 | 2022-09-13 21:04:37 -0700 | [diff] [blame] | 2327 | DPP_EVENT_CONF_SENT "wait_conn_status=1 conf_status=%d", |
| 2328 | auth->conf_resp_status); |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 2329 | wpa_printf(MSG_DEBUG, "DPP: Wait for Connection Status Result"); |
Hai Shalom | 0676811 | 2019-12-04 15:49:43 -0800 | [diff] [blame] | 2330 | wpas_notify_dpp_config_accepted(wpa_s); |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 2331 | eloop_cancel_timeout(wpas_dpp_config_result_wait_timeout, |
| 2332 | wpa_s, NULL); |
| 2333 | auth->waiting_conn_status_result = 1; |
| 2334 | eloop_cancel_timeout(wpas_dpp_conn_status_result_wait_timeout, |
| 2335 | wpa_s, NULL); |
| 2336 | eloop_register_timeout(16, 0, |
| 2337 | wpas_dpp_conn_status_result_wait_timeout, |
| 2338 | wpa_s, NULL); |
| 2339 | offchannel_send_action_done(wpa_s); |
Hai Shalom | a20dcd7 | 2022-02-04 13:43:00 -0800 | [diff] [blame] | 2340 | freq = auth->neg_freq ? auth->neg_freq : auth->curr_freq; |
| 2341 | if (!wpa_s->dpp_in_response_listen || |
| 2342 | (int) wpa_s->dpp_listen_freq != freq) |
| 2343 | wpas_dpp_listen_start(wpa_s, freq); |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 2344 | return; |
| 2345 | } |
Hai Shalom | 021b0b5 | 2019-04-10 11:17:58 -0700 | [diff] [blame] | 2346 | offchannel_send_action_done(wpa_s); |
| 2347 | wpas_dpp_listen_stop(wpa_s); |
Hai Shalom | e407333 | 2019-11-05 16:20:12 -0800 | [diff] [blame] | 2348 | if (status == DPP_STATUS_OK) { |
Sunil Ravi | 89eba10 | 2022-09-13 21:04:37 -0700 | [diff] [blame] | 2349 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_CONF_SENT "conf_status=%d", |
| 2350 | auth->conf_resp_status); |
Hai Shalom | e407333 | 2019-11-05 16:20:12 -0800 | [diff] [blame] | 2351 | wpas_notify_dpp_config_sent(wpa_s); |
| 2352 | } |
| 2353 | else { |
Hai Shalom | 021b0b5 | 2019-04-10 11:17:58 -0700 | [diff] [blame] | 2354 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_CONF_FAILED); |
Hai Shalom | 0676811 | 2019-12-04 15:49:43 -0800 | [diff] [blame] | 2355 | wpas_notify_dpp_config_rejected(wpa_s); |
Hai Shalom | e407333 | 2019-11-05 16:20:12 -0800 | [diff] [blame] | 2356 | } |
Hai Shalom | 021b0b5 | 2019-04-10 11:17:58 -0700 | [diff] [blame] | 2357 | dpp_auth_deinit(auth); |
| 2358 | wpa_s->dpp_auth = NULL; |
| 2359 | eloop_cancel_timeout(wpas_dpp_config_result_wait_timeout, wpa_s, NULL); |
Sunil Ravi | 89eba10 | 2022-09-13 21:04:37 -0700 | [diff] [blame] | 2360 | #ifdef CONFIG_DPP3 |
| 2361 | if (!wpa_s->dpp_pb_result_indicated && wpas_dpp_pb_active(wpa_s)) { |
| 2362 | if (status == DPP_STATUS_OK) |
| 2363 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_PB_RESULT |
| 2364 | "success"); |
| 2365 | else |
| 2366 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_PB_RESULT |
| 2367 | "no-configuration-available"); |
| 2368 | wpa_s->dpp_pb_result_indicated = true; |
| 2369 | if (status == DPP_STATUS_OK) |
| 2370 | wpas_dpp_remove_pb_hash(wpa_s); |
| 2371 | wpas_dpp_push_button_stop(wpa_s); |
| 2372 | } |
| 2373 | #endif /* CONFIG_DPP3 */ |
Hai Shalom | 021b0b5 | 2019-04-10 11:17:58 -0700 | [diff] [blame] | 2374 | } |
| 2375 | |
Hai Shalom | 81f62d8 | 2019-07-22 12:10:00 -0700 | [diff] [blame] | 2376 | |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 2377 | static void wpas_dpp_rx_conn_status_result(struct wpa_supplicant *wpa_s, |
| 2378 | const u8 *src, const u8 *hdr, |
| 2379 | const u8 *buf, size_t len) |
| 2380 | { |
| 2381 | struct dpp_authentication *auth = wpa_s->dpp_auth; |
| 2382 | enum dpp_status_error status; |
| 2383 | u8 ssid[SSID_MAX_LEN]; |
| 2384 | size_t ssid_len = 0; |
| 2385 | char *channel_list = NULL; |
| 2386 | |
| 2387 | wpa_printf(MSG_DEBUG, "DPP: Connection Status Result"); |
| 2388 | |
| 2389 | if (!auth || !auth->waiting_conn_status_result) { |
| 2390 | wpa_printf(MSG_DEBUG, |
| 2391 | "DPP: No DPP Configuration waiting for connection status result - drop"); |
| 2392 | return; |
| 2393 | } |
| 2394 | |
| 2395 | status = dpp_conn_status_result_rx(auth, hdr, buf, len, |
| 2396 | ssid, &ssid_len, &channel_list); |
| 2397 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_CONN_STATUS_RESULT |
| 2398 | "result=%d ssid=%s channel_list=%s", |
| 2399 | status, wpa_ssid_txt(ssid, ssid_len), |
| 2400 | channel_list ? channel_list : "N/A"); |
Hai Shalom | 0676811 | 2019-12-04 15:49:43 -0800 | [diff] [blame] | 2401 | wpas_notify_dpp_conn_status(wpa_s, status, wpa_ssid_txt(ssid, ssid_len), |
| 2402 | channel_list, auth->band_list, auth->band_list_size); |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 2403 | os_free(channel_list); |
| 2404 | offchannel_send_action_done(wpa_s); |
| 2405 | wpas_dpp_listen_stop(wpa_s); |
| 2406 | dpp_auth_deinit(auth); |
| 2407 | wpa_s->dpp_auth = NULL; |
| 2408 | eloop_cancel_timeout(wpas_dpp_conn_status_result_wait_timeout, |
| 2409 | wpa_s, NULL); |
| 2410 | } |
| 2411 | |
| 2412 | |
Hai Shalom | 81f62d8 | 2019-07-22 12:10:00 -0700 | [diff] [blame] | 2413 | static int wpas_dpp_process_conf_obj(void *ctx, |
| 2414 | struct dpp_authentication *auth) |
| 2415 | { |
| 2416 | struct wpa_supplicant *wpa_s = ctx; |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 2417 | unsigned int i; |
| 2418 | int res = -1; |
Hai Shalom | 81f62d8 | 2019-07-22 12:10:00 -0700 | [diff] [blame] | 2419 | |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 2420 | for (i = 0; i < auth->num_conf_obj; i++) { |
| 2421 | res = wpas_dpp_handle_config_obj(wpa_s, auth, |
| 2422 | &auth->conf_obj[i]); |
| 2423 | if (res) |
| 2424 | break; |
| 2425 | } |
| 2426 | if (!res) |
| 2427 | wpas_dpp_post_process_config(wpa_s, auth); |
| 2428 | |
| 2429 | return res; |
Hai Shalom | 81f62d8 | 2019-07-22 12:10:00 -0700 | [diff] [blame] | 2430 | } |
| 2431 | |
Hai Shalom | fdcde76 | 2020-04-02 11:19:20 -0700 | [diff] [blame] | 2432 | |
Hai Shalom | a20dcd7 | 2022-02-04 13:43:00 -0800 | [diff] [blame] | 2433 | static bool wpas_dpp_tcp_msg_sent(void *ctx, struct dpp_authentication *auth) |
| 2434 | { |
| 2435 | struct wpa_supplicant *wpa_s = ctx; |
| 2436 | |
| 2437 | wpa_printf(MSG_DEBUG, "DPP: TCP message sent callback"); |
| 2438 | |
| 2439 | if (auth->connect_on_tx_status) { |
| 2440 | auth->connect_on_tx_status = 0; |
| 2441 | wpa_printf(MSG_DEBUG, |
| 2442 | "DPP: Try to connect after completed configuration result"); |
| 2443 | wpas_dpp_try_to_connect(wpa_s); |
| 2444 | if (auth->conn_status_requested) { |
| 2445 | wpa_printf(MSG_DEBUG, |
| 2446 | "DPP: Start 15 second timeout for reporting connection status result"); |
| 2447 | eloop_cancel_timeout( |
| 2448 | wpas_dpp_conn_status_result_timeout, |
| 2449 | wpa_s, NULL); |
| 2450 | eloop_register_timeout( |
| 2451 | 15, 0, wpas_dpp_conn_status_result_timeout, |
| 2452 | wpa_s, NULL); |
| 2453 | return true; |
| 2454 | } |
| 2455 | } |
| 2456 | |
| 2457 | return false; |
| 2458 | } |
| 2459 | |
| 2460 | |
Hai Shalom | fdcde76 | 2020-04-02 11:19:20 -0700 | [diff] [blame] | 2461 | static void wpas_dpp_remove_bi(void *ctx, struct dpp_bootstrap_info *bi) |
| 2462 | { |
| 2463 | struct wpa_supplicant *wpa_s = ctx; |
| 2464 | |
| 2465 | if (bi == wpa_s->dpp_chirp_bi) |
| 2466 | wpas_dpp_chirp_stop(wpa_s); |
| 2467 | } |
| 2468 | |
| 2469 | |
| 2470 | static void |
| 2471 | wpas_dpp_rx_presence_announcement(struct wpa_supplicant *wpa_s, const u8 *src, |
| 2472 | const u8 *hdr, const u8 *buf, size_t len, |
| 2473 | unsigned int freq) |
| 2474 | { |
| 2475 | const u8 *r_bootstrap; |
| 2476 | u16 r_bootstrap_len; |
| 2477 | struct dpp_bootstrap_info *peer_bi; |
| 2478 | struct dpp_authentication *auth; |
Sunil Ravi | 38ad1ed | 2023-01-17 23:58:31 +0000 | [diff] [blame] | 2479 | unsigned int wait_time, max_wait_time; |
Hai Shalom | fdcde76 | 2020-04-02 11:19:20 -0700 | [diff] [blame] | 2480 | |
| 2481 | if (!wpa_s->dpp) |
| 2482 | return; |
| 2483 | |
| 2484 | if (wpa_s->dpp_auth) { |
| 2485 | wpa_printf(MSG_DEBUG, |
| 2486 | "DPP: Ignore Presence Announcement during ongoing Authentication"); |
| 2487 | return; |
| 2488 | } |
| 2489 | |
| 2490 | wpa_printf(MSG_DEBUG, "DPP: Presence Announcement from " MACSTR, |
| 2491 | MAC2STR(src)); |
| 2492 | |
| 2493 | r_bootstrap = dpp_get_attr(buf, len, DPP_ATTR_R_BOOTSTRAP_KEY_HASH, |
| 2494 | &r_bootstrap_len); |
| 2495 | if (!r_bootstrap || r_bootstrap_len != SHA256_MAC_LEN) { |
| 2496 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_FAIL |
| 2497 | "Missing or invalid required Responder Bootstrapping Key Hash attribute"); |
| 2498 | return; |
| 2499 | } |
| 2500 | wpa_hexdump(MSG_MSGDUMP, "DPP: Responder Bootstrapping Key Hash", |
| 2501 | r_bootstrap, r_bootstrap_len); |
| 2502 | peer_bi = dpp_bootstrap_find_chirp(wpa_s->dpp, r_bootstrap); |
Hai Shalom | 899fcc7 | 2020-10-19 14:38:18 -0700 | [diff] [blame] | 2503 | dpp_notify_chirp_received(wpa_s, peer_bi ? (int) peer_bi->id : -1, src, |
| 2504 | freq, r_bootstrap); |
Hai Shalom | fdcde76 | 2020-04-02 11:19:20 -0700 | [diff] [blame] | 2505 | if (!peer_bi) { |
| 2506 | wpa_printf(MSG_DEBUG, |
| 2507 | "DPP: No matching bootstrapping information found"); |
| 2508 | return; |
| 2509 | } |
| 2510 | |
Sunil Ravi | 38ad1ed | 2023-01-17 23:58:31 +0000 | [diff] [blame] | 2511 | wpa_printf(MSG_DEBUG, "DPP: Start Authentication exchange with " MACSTR |
| 2512 | " based on the received Presence Announcement", |
| 2513 | MAC2STR(src)); |
Hai Shalom | fdcde76 | 2020-04-02 11:19:20 -0700 | [diff] [blame] | 2514 | auth = dpp_auth_init(wpa_s->dpp, wpa_s, peer_bi, NULL, |
| 2515 | DPP_CAPAB_CONFIGURATOR, freq, NULL, 0); |
| 2516 | if (!auth) |
| 2517 | return; |
| 2518 | wpas_dpp_set_testing_options(wpa_s, auth); |
| 2519 | if (dpp_set_configurator(auth, wpa_s->dpp_configurator_params) < 0) { |
| 2520 | dpp_auth_deinit(auth); |
| 2521 | return; |
| 2522 | } |
| 2523 | |
| 2524 | auth->neg_freq = freq; |
| 2525 | |
Hai Shalom | 6084025 | 2021-02-19 19:02:11 -0800 | [diff] [blame] | 2526 | /* The source address of the Presence Announcement frame overrides any |
| 2527 | * MAC address information from the bootstrapping information. */ |
| 2528 | os_memcpy(auth->peer_mac_addr, src, ETH_ALEN); |
Hai Shalom | fdcde76 | 2020-04-02 11:19:20 -0700 | [diff] [blame] | 2529 | |
Sunil Ravi | 38ad1ed | 2023-01-17 23:58:31 +0000 | [diff] [blame] | 2530 | wait_time = wpa_s->max_remain_on_chan; |
| 2531 | max_wait_time = wpa_s->dpp_resp_wait_time ? |
| 2532 | wpa_s->dpp_resp_wait_time : 2000; |
| 2533 | if (wait_time > max_wait_time) |
| 2534 | wait_time = max_wait_time; |
| 2535 | wpas_dpp_stop_listen_for_tx(wpa_s, freq, wait_time); |
| 2536 | |
Hai Shalom | fdcde76 | 2020-04-02 11:19:20 -0700 | [diff] [blame] | 2537 | wpa_s->dpp_auth = auth; |
| 2538 | if (wpas_dpp_auth_init_next(wpa_s) < 0) { |
| 2539 | dpp_auth_deinit(wpa_s->dpp_auth); |
| 2540 | wpa_s->dpp_auth = NULL; |
| 2541 | } |
| 2542 | } |
| 2543 | |
Hai Shalom | 4fbc08f | 2020-05-18 12:37:00 -0700 | [diff] [blame] | 2544 | |
| 2545 | static void wpas_dpp_reconfig_reply_wait_timeout(void *eloop_ctx, |
| 2546 | void *timeout_ctx) |
| 2547 | { |
| 2548 | struct wpa_supplicant *wpa_s = eloop_ctx; |
| 2549 | struct dpp_authentication *auth = wpa_s->dpp_auth; |
| 2550 | |
| 2551 | if (!auth) |
| 2552 | return; |
| 2553 | |
| 2554 | wpa_printf(MSG_DEBUG, "DPP: Reconfig Reply wait timeout"); |
| 2555 | offchannel_send_action_done(wpa_s); |
| 2556 | wpas_dpp_listen_stop(wpa_s); |
| 2557 | dpp_auth_deinit(auth); |
| 2558 | wpa_s->dpp_auth = NULL; |
| 2559 | } |
| 2560 | |
| 2561 | |
| 2562 | static void |
| 2563 | wpas_dpp_rx_reconfig_announcement(struct wpa_supplicant *wpa_s, const u8 *src, |
| 2564 | const u8 *hdr, const u8 *buf, size_t len, |
| 2565 | unsigned int freq) |
| 2566 | { |
Hai Shalom | 899fcc7 | 2020-10-19 14:38:18 -0700 | [diff] [blame] | 2567 | const u8 *csign_hash, *fcgroup, *a_nonce, *e_id; |
| 2568 | u16 csign_hash_len, fcgroup_len, a_nonce_len, e_id_len; |
Hai Shalom | 4fbc08f | 2020-05-18 12:37:00 -0700 | [diff] [blame] | 2569 | struct dpp_configurator *conf; |
| 2570 | struct dpp_authentication *auth; |
| 2571 | unsigned int wait_time, max_wait_time; |
Hai Shalom | 899fcc7 | 2020-10-19 14:38:18 -0700 | [diff] [blame] | 2572 | u16 group; |
Hai Shalom | 4fbc08f | 2020-05-18 12:37:00 -0700 | [diff] [blame] | 2573 | |
| 2574 | if (!wpa_s->dpp) |
| 2575 | return; |
| 2576 | |
| 2577 | if (wpa_s->dpp_auth) { |
| 2578 | wpa_printf(MSG_DEBUG, |
| 2579 | "DPP: Ignore Reconfig Announcement during ongoing Authentication"); |
| 2580 | return; |
| 2581 | } |
| 2582 | |
| 2583 | wpa_printf(MSG_DEBUG, "DPP: Reconfig Announcement from " MACSTR, |
| 2584 | MAC2STR(src)); |
| 2585 | |
| 2586 | csign_hash = dpp_get_attr(buf, len, DPP_ATTR_C_SIGN_KEY_HASH, |
| 2587 | &csign_hash_len); |
| 2588 | if (!csign_hash || csign_hash_len != SHA256_MAC_LEN) { |
| 2589 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_FAIL |
| 2590 | "Missing or invalid required Configurator C-sign key Hash attribute"); |
| 2591 | return; |
| 2592 | } |
| 2593 | wpa_hexdump(MSG_MSGDUMP, "DPP: Configurator C-sign key Hash (kid)", |
| 2594 | csign_hash, csign_hash_len); |
| 2595 | conf = dpp_configurator_find_kid(wpa_s->dpp, csign_hash); |
| 2596 | if (!conf) { |
| 2597 | wpa_printf(MSG_DEBUG, |
| 2598 | "DPP: No matching Configurator information found"); |
| 2599 | return; |
| 2600 | } |
| 2601 | |
Hai Shalom | 899fcc7 | 2020-10-19 14:38:18 -0700 | [diff] [blame] | 2602 | fcgroup = dpp_get_attr(buf, len, DPP_ATTR_FINITE_CYCLIC_GROUP, |
| 2603 | &fcgroup_len); |
| 2604 | if (!fcgroup || fcgroup_len != 2) { |
| 2605 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_FAIL |
| 2606 | "Missing or invalid required Finite Cyclic Group attribute"); |
| 2607 | return; |
| 2608 | } |
| 2609 | group = WPA_GET_LE16(fcgroup); |
| 2610 | wpa_printf(MSG_DEBUG, "DPP: Enrollee finite cyclic group: %u", group); |
| 2611 | |
| 2612 | a_nonce = dpp_get_attr(buf, len, DPP_ATTR_A_NONCE, &a_nonce_len); |
| 2613 | e_id = dpp_get_attr(buf, len, DPP_ATTR_E_PRIME_ID, &e_id_len); |
| 2614 | |
| 2615 | auth = dpp_reconfig_init(wpa_s->dpp, wpa_s, conf, freq, group, |
| 2616 | a_nonce, a_nonce_len, e_id, e_id_len); |
Hai Shalom | 4fbc08f | 2020-05-18 12:37:00 -0700 | [diff] [blame] | 2617 | if (!auth) |
| 2618 | return; |
| 2619 | wpas_dpp_set_testing_options(wpa_s, auth); |
| 2620 | if (dpp_set_configurator(auth, wpa_s->dpp_configurator_params) < 0) { |
| 2621 | dpp_auth_deinit(auth); |
| 2622 | return; |
| 2623 | } |
| 2624 | |
| 2625 | os_memcpy(auth->peer_mac_addr, src, ETH_ALEN); |
| 2626 | wpa_s->dpp_auth = auth; |
| 2627 | |
| 2628 | wpa_s->dpp_in_response_listen = 0; |
| 2629 | wpa_s->dpp_auth_ok_on_ack = 0; |
| 2630 | wait_time = wpa_s->max_remain_on_chan; |
| 2631 | max_wait_time = wpa_s->dpp_resp_wait_time ? |
| 2632 | wpa_s->dpp_resp_wait_time : 2000; |
| 2633 | if (wait_time > max_wait_time) |
| 2634 | wait_time = max_wait_time; |
| 2635 | wait_time += 10; /* give the driver some extra time to complete */ |
| 2636 | eloop_register_timeout(wait_time / 1000, (wait_time % 1000) * 1000, |
| 2637 | wpas_dpp_reconfig_reply_wait_timeout, |
| 2638 | wpa_s, NULL); |
| 2639 | wait_time -= 10; |
| 2640 | |
| 2641 | wpas_dpp_stop_listen_for_tx(wpa_s, freq, wait_time); |
| 2642 | |
| 2643 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_TX "dst=" MACSTR " freq=%u type=%d", |
| 2644 | MAC2STR(src), freq, DPP_PA_RECONFIG_AUTH_REQ); |
| 2645 | if (offchannel_send_action(wpa_s, freq, src, wpa_s->own_addr, broadcast, |
| 2646 | wpabuf_head(auth->reconfig_req_msg), |
| 2647 | wpabuf_len(auth->reconfig_req_msg), |
| 2648 | wait_time, wpas_dpp_tx_status, 0) < 0) { |
| 2649 | dpp_auth_deinit(wpa_s->dpp_auth); |
| 2650 | wpa_s->dpp_auth = NULL; |
| 2651 | } |
| 2652 | } |
| 2653 | |
| 2654 | |
| 2655 | static void |
| 2656 | wpas_dpp_rx_reconfig_auth_req(struct wpa_supplicant *wpa_s, const u8 *src, |
| 2657 | const u8 *hdr, const u8 *buf, size_t len, |
| 2658 | unsigned int freq) |
| 2659 | { |
| 2660 | struct wpa_ssid *ssid; |
| 2661 | struct dpp_authentication *auth; |
| 2662 | |
| 2663 | wpa_printf(MSG_DEBUG, "DPP: Reconfig Authentication Request from " |
| 2664 | MACSTR, MAC2STR(src)); |
| 2665 | |
Hai Shalom | 899fcc7 | 2020-10-19 14:38:18 -0700 | [diff] [blame] | 2666 | if (!wpa_s->dpp) |
Hai Shalom | 4fbc08f | 2020-05-18 12:37:00 -0700 | [diff] [blame] | 2667 | return; |
Hai Shalom | 899fcc7 | 2020-10-19 14:38:18 -0700 | [diff] [blame] | 2668 | if (wpa_s->dpp_auth) { |
| 2669 | wpa_printf(MSG_DEBUG, |
| 2670 | "DPP: Not ready for reconfiguration - pending authentication exchange in progress"); |
| 2671 | return; |
| 2672 | } |
| 2673 | if (!wpa_s->dpp_reconfig_ssid) { |
| 2674 | wpa_printf(MSG_DEBUG, |
| 2675 | "DPP: Not ready for reconfiguration - not requested"); |
| 2676 | return; |
| 2677 | } |
Hai Shalom | 4fbc08f | 2020-05-18 12:37:00 -0700 | [diff] [blame] | 2678 | for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) { |
| 2679 | if (ssid == wpa_s->dpp_reconfig_ssid && |
| 2680 | ssid->id == wpa_s->dpp_reconfig_ssid_id) |
| 2681 | break; |
| 2682 | } |
| 2683 | if (!ssid || !ssid->dpp_connector || !ssid->dpp_netaccesskey || |
Hai Shalom | 899fcc7 | 2020-10-19 14:38:18 -0700 | [diff] [blame] | 2684 | !ssid->dpp_csign) { |
| 2685 | wpa_printf(MSG_DEBUG, |
| 2686 | "DPP: Not ready for reconfiguration - no matching network profile with Connector found"); |
Hai Shalom | 4fbc08f | 2020-05-18 12:37:00 -0700 | [diff] [blame] | 2687 | return; |
Hai Shalom | 899fcc7 | 2020-10-19 14:38:18 -0700 | [diff] [blame] | 2688 | } |
Hai Shalom | 4fbc08f | 2020-05-18 12:37:00 -0700 | [diff] [blame] | 2689 | |
| 2690 | auth = dpp_reconfig_auth_req_rx(wpa_s->dpp, wpa_s, ssid->dpp_connector, |
| 2691 | ssid->dpp_netaccesskey, |
| 2692 | ssid->dpp_netaccesskey_len, |
| 2693 | ssid->dpp_csign, ssid->dpp_csign_len, |
| 2694 | freq, hdr, buf, len); |
| 2695 | if (!auth) |
| 2696 | return; |
| 2697 | os_memcpy(auth->peer_mac_addr, src, ETH_ALEN); |
| 2698 | wpa_s->dpp_auth = auth; |
| 2699 | |
| 2700 | wpas_dpp_chirp_stop(wpa_s); |
| 2701 | |
| 2702 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_TX "dst=" MACSTR " freq=%u type=%d", |
| 2703 | MAC2STR(src), freq, DPP_PA_RECONFIG_AUTH_RESP); |
| 2704 | if (offchannel_send_action(wpa_s, freq, src, wpa_s->own_addr, broadcast, |
| 2705 | wpabuf_head(auth->reconfig_resp_msg), |
| 2706 | wpabuf_len(auth->reconfig_resp_msg), |
| 2707 | 500, wpas_dpp_tx_status, 0) < 0) { |
| 2708 | dpp_auth_deinit(wpa_s->dpp_auth); |
| 2709 | wpa_s->dpp_auth = NULL; |
| 2710 | } |
| 2711 | } |
| 2712 | |
| 2713 | |
| 2714 | static void |
| 2715 | wpas_dpp_rx_reconfig_auth_resp(struct wpa_supplicant *wpa_s, const u8 *src, |
| 2716 | const u8 *hdr, const u8 *buf, size_t len, |
| 2717 | unsigned int freq) |
| 2718 | { |
| 2719 | struct dpp_authentication *auth = wpa_s->dpp_auth; |
| 2720 | struct wpabuf *conf; |
| 2721 | |
| 2722 | wpa_printf(MSG_DEBUG, "DPP: Reconfig Authentication Response from " |
| 2723 | MACSTR, MAC2STR(src)); |
| 2724 | |
| 2725 | if (!auth || !auth->reconfig || !auth->configurator) { |
| 2726 | wpa_printf(MSG_DEBUG, |
| 2727 | "DPP: No DPP Reconfig Authentication in progress - drop"); |
| 2728 | return; |
| 2729 | } |
| 2730 | |
Sunil Ravi | b0ac25f | 2024-07-12 01:42:03 +0000 | [diff] [blame] | 2731 | if (!ether_addr_equal(src, auth->peer_mac_addr)) { |
Hai Shalom | 4fbc08f | 2020-05-18 12:37:00 -0700 | [diff] [blame] | 2732 | wpa_printf(MSG_DEBUG, "DPP: MAC address mismatch (expected " |
| 2733 | MACSTR ") - drop", MAC2STR(auth->peer_mac_addr)); |
| 2734 | return; |
| 2735 | } |
| 2736 | |
| 2737 | conf = dpp_reconfig_auth_resp_rx(auth, hdr, buf, len); |
| 2738 | if (!conf) |
| 2739 | return; |
| 2740 | |
| 2741 | eloop_cancel_timeout(wpas_dpp_reconfig_reply_wait_timeout, wpa_s, NULL); |
| 2742 | |
| 2743 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_TX "dst=" MACSTR " freq=%u type=%d", |
| 2744 | MAC2STR(src), freq, DPP_PA_RECONFIG_AUTH_CONF); |
| 2745 | if (offchannel_send_action(wpa_s, freq, src, wpa_s->own_addr, broadcast, |
| 2746 | wpabuf_head(conf), wpabuf_len(conf), |
| 2747 | 500, wpas_dpp_tx_status, 0) < 0) { |
| 2748 | wpabuf_free(conf); |
| 2749 | dpp_auth_deinit(wpa_s->dpp_auth); |
| 2750 | wpa_s->dpp_auth = NULL; |
| 2751 | return; |
| 2752 | } |
| 2753 | wpabuf_free(conf); |
| 2754 | |
| 2755 | wpas_dpp_start_gas_server(wpa_s); |
| 2756 | } |
| 2757 | |
| 2758 | |
| 2759 | static void |
| 2760 | wpas_dpp_rx_reconfig_auth_conf(struct wpa_supplicant *wpa_s, const u8 *src, |
| 2761 | const u8 *hdr, const u8 *buf, size_t len, |
| 2762 | unsigned int freq) |
| 2763 | { |
| 2764 | struct dpp_authentication *auth = wpa_s->dpp_auth; |
| 2765 | |
| 2766 | wpa_printf(MSG_DEBUG, "DPP: Reconfig Authentication Confirm from " |
| 2767 | MACSTR, MAC2STR(src)); |
| 2768 | |
| 2769 | if (!auth || !auth->reconfig || auth->configurator) { |
| 2770 | wpa_printf(MSG_DEBUG, |
| 2771 | "DPP: No DPP Reconfig Authentication in progress - drop"); |
| 2772 | return; |
| 2773 | } |
| 2774 | |
Sunil Ravi | b0ac25f | 2024-07-12 01:42:03 +0000 | [diff] [blame] | 2775 | if (!ether_addr_equal(src, auth->peer_mac_addr)) { |
Hai Shalom | 4fbc08f | 2020-05-18 12:37:00 -0700 | [diff] [blame] | 2776 | wpa_printf(MSG_DEBUG, "DPP: MAC address mismatch (expected " |
| 2777 | MACSTR ") - drop", MAC2STR(auth->peer_mac_addr)); |
| 2778 | return; |
| 2779 | } |
| 2780 | |
| 2781 | if (dpp_reconfig_auth_conf_rx(auth, hdr, buf, len) < 0) |
| 2782 | return; |
| 2783 | |
| 2784 | wpas_dpp_start_gas_client(wpa_s); |
| 2785 | } |
| 2786 | |
Hai Shalom | 021b0b5 | 2019-04-10 11:17:58 -0700 | [diff] [blame] | 2787 | #endif /* CONFIG_DPP2 */ |
| 2788 | |
| 2789 | |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 2790 | static void wpas_dpp_rx_peer_disc_resp(struct wpa_supplicant *wpa_s, |
| 2791 | const u8 *src, |
| 2792 | const u8 *buf, size_t len) |
| 2793 | { |
| 2794 | struct wpa_ssid *ssid; |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 2795 | const u8 *connector, *trans_id, *status; |
| 2796 | u16 connector_len, trans_id_len, status_len; |
Hai Shalom | 4fbc08f | 2020-05-18 12:37:00 -0700 | [diff] [blame] | 2797 | #ifdef CONFIG_DPP2 |
| 2798 | const u8 *version; |
| 2799 | u16 version_len; |
| 2800 | #endif /* CONFIG_DPP2 */ |
| 2801 | u8 peer_version = 1; |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 2802 | struct dpp_introduction intro; |
| 2803 | struct rsn_pmksa_cache_entry *entry; |
| 2804 | struct os_time now; |
| 2805 | struct os_reltime rnow; |
| 2806 | os_time_t expiry; |
| 2807 | unsigned int seconds; |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 2808 | enum dpp_status_error res; |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 2809 | |
| 2810 | wpa_printf(MSG_DEBUG, "DPP: Peer Discovery Response from " MACSTR, |
| 2811 | MAC2STR(src)); |
| 2812 | if (is_zero_ether_addr(wpa_s->dpp_intro_bssid) || |
Sunil Ravi | b0ac25f | 2024-07-12 01:42:03 +0000 | [diff] [blame] | 2813 | !ether_addr_equal(src, wpa_s->dpp_intro_bssid)) { |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 2814 | wpa_printf(MSG_DEBUG, "DPP: Not waiting for response from " |
| 2815 | MACSTR " - drop", MAC2STR(src)); |
| 2816 | return; |
| 2817 | } |
| 2818 | offchannel_send_action_done(wpa_s); |
| 2819 | |
| 2820 | for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) { |
| 2821 | if (ssid == wpa_s->dpp_intro_network) |
| 2822 | break; |
| 2823 | } |
| 2824 | if (!ssid || !ssid->dpp_connector || !ssid->dpp_netaccesskey || |
| 2825 | !ssid->dpp_csign) { |
| 2826 | wpa_printf(MSG_DEBUG, |
| 2827 | "DPP: Profile not found for network introduction"); |
| 2828 | return; |
| 2829 | } |
| 2830 | |
Sunil Ravi | 38ad1ed | 2023-01-17 23:58:31 +0000 | [diff] [blame] | 2831 | os_memset(&intro, 0, sizeof(intro)); |
| 2832 | |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 2833 | trans_id = dpp_get_attr(buf, len, DPP_ATTR_TRANSACTION_ID, |
| 2834 | &trans_id_len); |
| 2835 | if (!trans_id || trans_id_len != 1) { |
| 2836 | wpa_printf(MSG_DEBUG, |
| 2837 | "DPP: Peer did not include Transaction ID"); |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 2838 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_INTRO "peer=" MACSTR |
| 2839 | " fail=missing_transaction_id", MAC2STR(src)); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 2840 | goto fail; |
| 2841 | } |
| 2842 | if (trans_id[0] != TRANSACTION_ID) { |
| 2843 | wpa_printf(MSG_DEBUG, |
| 2844 | "DPP: Ignore frame with unexpected Transaction ID %u", |
| 2845 | trans_id[0]); |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 2846 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_INTRO "peer=" MACSTR |
| 2847 | " fail=transaction_id_mismatch", MAC2STR(src)); |
| 2848 | goto fail; |
| 2849 | } |
| 2850 | |
| 2851 | status = dpp_get_attr(buf, len, DPP_ATTR_STATUS, &status_len); |
| 2852 | if (!status || status_len != 1) { |
| 2853 | wpa_printf(MSG_DEBUG, "DPP: Peer did not include Status"); |
| 2854 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_INTRO "peer=" MACSTR |
| 2855 | " fail=missing_status", MAC2STR(src)); |
| 2856 | goto fail; |
| 2857 | } |
| 2858 | if (status[0] != DPP_STATUS_OK) { |
| 2859 | wpa_printf(MSG_DEBUG, |
| 2860 | "DPP: Peer rejected network introduction: Status %u", |
| 2861 | status[0]); |
| 2862 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_INTRO "peer=" MACSTR |
| 2863 | " status=%u", MAC2STR(src), status[0]); |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 2864 | #ifdef CONFIG_DPP2 |
| 2865 | wpas_dpp_send_conn_status_result(wpa_s, status[0]); |
| 2866 | #endif /* CONFIG_DPP2 */ |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 2867 | goto fail; |
| 2868 | } |
| 2869 | |
| 2870 | connector = dpp_get_attr(buf, len, DPP_ATTR_CONNECTOR, &connector_len); |
| 2871 | if (!connector) { |
| 2872 | wpa_printf(MSG_DEBUG, |
| 2873 | "DPP: Peer did not include its Connector"); |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 2874 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_INTRO "peer=" MACSTR |
| 2875 | " fail=missing_connector", MAC2STR(src)); |
| 2876 | goto fail; |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 2877 | } |
| 2878 | |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 2879 | res = dpp_peer_intro(&intro, ssid->dpp_connector, |
| 2880 | ssid->dpp_netaccesskey, |
| 2881 | ssid->dpp_netaccesskey_len, |
| 2882 | ssid->dpp_csign, |
| 2883 | ssid->dpp_csign_len, |
Sunil Ravi | 38ad1ed | 2023-01-17 23:58:31 +0000 | [diff] [blame] | 2884 | connector, connector_len, &expiry, NULL); |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 2885 | if (res != DPP_STATUS_OK) { |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 2886 | wpa_printf(MSG_INFO, |
| 2887 | "DPP: Network Introduction protocol resulted in failure"); |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 2888 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_INTRO "peer=" MACSTR |
| 2889 | " fail=peer_connector_validation_failed", MAC2STR(src)); |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 2890 | #ifdef CONFIG_DPP2 |
| 2891 | wpas_dpp_send_conn_status_result(wpa_s, res); |
| 2892 | #endif /* CONFIG_DPP2 */ |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 2893 | goto fail; |
| 2894 | } |
| 2895 | |
| 2896 | entry = os_zalloc(sizeof(*entry)); |
| 2897 | if (!entry) |
| 2898 | goto fail; |
| 2899 | os_memcpy(entry->aa, src, ETH_ALEN); |
Sunil Ravi | 38ad1ed | 2023-01-17 23:58:31 +0000 | [diff] [blame] | 2900 | os_memcpy(entry->spa, wpa_s->own_addr, ETH_ALEN); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 2901 | os_memcpy(entry->pmkid, intro.pmkid, PMKID_LEN); |
| 2902 | os_memcpy(entry->pmk, intro.pmk, intro.pmk_len); |
| 2903 | entry->pmk_len = intro.pmk_len; |
| 2904 | entry->akmp = WPA_KEY_MGMT_DPP; |
Hai Shalom | 4fbc08f | 2020-05-18 12:37:00 -0700 | [diff] [blame] | 2905 | #ifdef CONFIG_DPP2 |
| 2906 | version = dpp_get_attr(buf, len, DPP_ATTR_PROTOCOL_VERSION, |
| 2907 | &version_len); |
| 2908 | if (version && version_len >= 1) |
| 2909 | peer_version = version[0]; |
Hai Shalom | a20dcd7 | 2022-02-04 13:43:00 -0800 | [diff] [blame] | 2910 | #ifdef CONFIG_DPP3 |
| 2911 | if (intro.peer_version && intro.peer_version >= 2 && |
| 2912 | peer_version != intro.peer_version) { |
| 2913 | wpa_printf(MSG_INFO, |
| 2914 | "DPP: Protocol version mismatch (Connector: %d Attribute: %d", |
| 2915 | intro.peer_version, peer_version); |
| 2916 | wpas_dpp_send_conn_status_result(wpa_s, DPP_STATUS_NO_MATCH); |
| 2917 | goto fail; |
| 2918 | } |
| 2919 | #endif /* CONFIG_DPP3 */ |
Hai Shalom | 4fbc08f | 2020-05-18 12:37:00 -0700 | [diff] [blame] | 2920 | entry->dpp_pfs = peer_version >= 2; |
| 2921 | #endif /* CONFIG_DPP2 */ |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 2922 | if (expiry) { |
| 2923 | os_get_time(&now); |
| 2924 | seconds = expiry - now.sec; |
| 2925 | } else { |
| 2926 | seconds = 86400 * 7; |
| 2927 | } |
| 2928 | os_get_reltime(&rnow); |
| 2929 | entry->expiration = rnow.sec + seconds; |
| 2930 | entry->reauth_time = rnow.sec + seconds; |
| 2931 | entry->network_ctx = ssid; |
| 2932 | wpa_sm_pmksa_cache_add_entry(wpa_s->wpa, entry); |
| 2933 | |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 2934 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_INTRO "peer=" MACSTR |
Hai Shalom | 4fbc08f | 2020-05-18 12:37:00 -0700 | [diff] [blame] | 2935 | " status=%u version=%u", MAC2STR(src), status[0], peer_version); |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 2936 | |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 2937 | wpa_printf(MSG_DEBUG, |
| 2938 | "DPP: Try connection again after successful network introduction"); |
| 2939 | if (wpa_supplicant_fast_associate(wpa_s) != 1) { |
| 2940 | wpa_supplicant_cancel_sched_scan(wpa_s); |
| 2941 | wpa_supplicant_req_scan(wpa_s, 0, 0); |
| 2942 | } |
| 2943 | fail: |
Sunil Ravi | 38ad1ed | 2023-01-17 23:58:31 +0000 | [diff] [blame] | 2944 | dpp_peer_intro_deinit(&intro); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 2945 | } |
| 2946 | |
| 2947 | |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 2948 | static int wpas_dpp_allow_ir(struct wpa_supplicant *wpa_s, unsigned int freq) |
| 2949 | { |
| 2950 | int i, j; |
| 2951 | |
| 2952 | if (!wpa_s->hw.modes) |
| 2953 | return -1; |
| 2954 | |
| 2955 | for (i = 0; i < wpa_s->hw.num_modes; i++) { |
| 2956 | struct hostapd_hw_modes *mode = &wpa_s->hw.modes[i]; |
| 2957 | |
| 2958 | for (j = 0; j < mode->num_channels; j++) { |
| 2959 | struct hostapd_channel_data *chan = &mode->channels[j]; |
| 2960 | |
| 2961 | if (chan->freq != (int) freq) |
| 2962 | continue; |
| 2963 | |
| 2964 | if (chan->flag & (HOSTAPD_CHAN_DISABLED | |
| 2965 | HOSTAPD_CHAN_NO_IR | |
| 2966 | HOSTAPD_CHAN_RADAR)) |
| 2967 | continue; |
| 2968 | |
| 2969 | return 1; |
| 2970 | } |
| 2971 | } |
| 2972 | |
| 2973 | wpa_printf(MSG_DEBUG, |
| 2974 | "DPP: Frequency %u MHz not supported or does not allow PKEX initiation in the current channel list", |
| 2975 | freq); |
| 2976 | |
| 2977 | return 0; |
| 2978 | } |
| 2979 | |
| 2980 | |
| 2981 | static int wpas_dpp_pkex_next_channel(struct wpa_supplicant *wpa_s, |
| 2982 | struct dpp_pkex *pkex) |
| 2983 | { |
| 2984 | if (pkex->freq == 2437) |
| 2985 | pkex->freq = 5745; |
| 2986 | else if (pkex->freq == 5745) |
| 2987 | pkex->freq = 5220; |
| 2988 | else if (pkex->freq == 5220) |
| 2989 | pkex->freq = 60480; |
| 2990 | else |
| 2991 | return -1; /* no more channels to try */ |
| 2992 | |
| 2993 | if (wpas_dpp_allow_ir(wpa_s, pkex->freq) == 1) { |
| 2994 | wpa_printf(MSG_DEBUG, "DPP: Try to initiate on %u MHz", |
| 2995 | pkex->freq); |
| 2996 | return 0; |
| 2997 | } |
| 2998 | |
| 2999 | /* Could not use this channel - try the next one */ |
| 3000 | return wpas_dpp_pkex_next_channel(wpa_s, pkex); |
| 3001 | } |
| 3002 | |
| 3003 | |
Sunil Ravi | 89eba10 | 2022-09-13 21:04:37 -0700 | [diff] [blame] | 3004 | static void wpas_dpp_pkex_clear_code(struct wpa_supplicant *wpa_s) |
| 3005 | { |
| 3006 | if (!wpa_s->dpp_pkex_code && !wpa_s->dpp_pkex_identifier) |
| 3007 | return; |
| 3008 | |
| 3009 | /* Delete PKEX code and identifier on successful completion of |
| 3010 | * PKEX. We are not supposed to reuse these without being |
| 3011 | * explicitly requested to perform PKEX again. */ |
| 3012 | wpa_printf(MSG_DEBUG, "DPP: Delete PKEX code/identifier"); |
| 3013 | os_free(wpa_s->dpp_pkex_code); |
| 3014 | wpa_s->dpp_pkex_code = NULL; |
| 3015 | os_free(wpa_s->dpp_pkex_identifier); |
| 3016 | wpa_s->dpp_pkex_identifier = NULL; |
| 3017 | |
| 3018 | } |
| 3019 | |
| 3020 | |
Hai Shalom | a20dcd7 | 2022-02-04 13:43:00 -0800 | [diff] [blame] | 3021 | #ifdef CONFIG_DPP2 |
| 3022 | static int wpas_dpp_pkex_done(void *ctx, void *conn, |
| 3023 | struct dpp_bootstrap_info *peer_bi) |
| 3024 | { |
| 3025 | struct wpa_supplicant *wpa_s = ctx; |
Sunil Ravi | 89eba10 | 2022-09-13 21:04:37 -0700 | [diff] [blame] | 3026 | char cmd[500]; |
Hai Shalom | a20dcd7 | 2022-02-04 13:43:00 -0800 | [diff] [blame] | 3027 | const char *pos; |
| 3028 | u8 allowed_roles = DPP_CAPAB_CONFIGURATOR; |
| 3029 | struct dpp_bootstrap_info *own_bi = NULL; |
| 3030 | struct dpp_authentication *auth; |
| 3031 | |
Sunil Ravi | 89eba10 | 2022-09-13 21:04:37 -0700 | [diff] [blame] | 3032 | wpas_dpp_pkex_clear_code(wpa_s); |
| 3033 | |
| 3034 | os_snprintf(cmd, sizeof(cmd), " peer=%u %s", peer_bi->id, |
| 3035 | wpa_s->dpp_pkex_auth_cmd ? wpa_s->dpp_pkex_auth_cmd : ""); |
Hai Shalom | a20dcd7 | 2022-02-04 13:43:00 -0800 | [diff] [blame] | 3036 | wpa_printf(MSG_DEBUG, "DPP: Start authentication after PKEX (cmd: %s)", |
| 3037 | cmd); |
| 3038 | |
| 3039 | pos = os_strstr(cmd, " own="); |
| 3040 | if (pos) { |
| 3041 | pos += 5; |
| 3042 | own_bi = dpp_bootstrap_get_id(wpa_s->dpp, atoi(pos)); |
| 3043 | if (!own_bi) { |
| 3044 | wpa_printf(MSG_INFO, |
| 3045 | "DPP: Could not find bootstrapping info for the identified local entry"); |
| 3046 | return -1; |
| 3047 | } |
| 3048 | |
| 3049 | if (peer_bi->curve != own_bi->curve) { |
| 3050 | wpa_printf(MSG_INFO, |
| 3051 | "DPP: Mismatching curves in bootstrapping info (peer=%s own=%s)", |
| 3052 | peer_bi->curve->name, own_bi->curve->name); |
| 3053 | return -1; |
| 3054 | } |
| 3055 | } |
| 3056 | |
| 3057 | pos = os_strstr(cmd, " role="); |
| 3058 | if (pos) { |
| 3059 | pos += 6; |
| 3060 | if (os_strncmp(pos, "configurator", 12) == 0) |
| 3061 | allowed_roles = DPP_CAPAB_CONFIGURATOR; |
| 3062 | else if (os_strncmp(pos, "enrollee", 8) == 0) |
| 3063 | allowed_roles = DPP_CAPAB_ENROLLEE; |
| 3064 | else if (os_strncmp(pos, "either", 6) == 0) |
| 3065 | allowed_roles = DPP_CAPAB_CONFIGURATOR | |
| 3066 | DPP_CAPAB_ENROLLEE; |
| 3067 | else |
| 3068 | return -1; |
| 3069 | } |
| 3070 | |
| 3071 | auth = dpp_auth_init(wpa_s->dpp, wpa_s, peer_bi, own_bi, allowed_roles, |
| 3072 | 0, wpa_s->hw.modes, wpa_s->hw.num_modes); |
| 3073 | if (!auth) |
| 3074 | return -1; |
| 3075 | |
| 3076 | wpas_dpp_set_testing_options(wpa_s, auth); |
| 3077 | if (dpp_set_configurator(auth, cmd) < 0) { |
| 3078 | dpp_auth_deinit(auth); |
| 3079 | return -1; |
| 3080 | } |
| 3081 | |
| 3082 | return dpp_tcp_auth(wpa_s->dpp, conn, auth, wpa_s->conf->dpp_name, |
Sunil Ravi | 89eba10 | 2022-09-13 21:04:37 -0700 | [diff] [blame] | 3083 | DPP_NETROLE_STA, |
| 3084 | wpa_s->conf->dpp_mud_url, |
| 3085 | wpa_s->conf->dpp_extra_conf_req_name, |
| 3086 | wpa_s->conf->dpp_extra_conf_req_value, |
| 3087 | wpas_dpp_process_conf_obj, |
Hai Shalom | a20dcd7 | 2022-02-04 13:43:00 -0800 | [diff] [blame] | 3088 | wpas_dpp_tcp_msg_sent); |
| 3089 | } |
| 3090 | #endif /* CONFIG_DPP2 */ |
| 3091 | |
| 3092 | |
Hai Shalom | a20dcd7 | 2022-02-04 13:43:00 -0800 | [diff] [blame] | 3093 | static int wpas_dpp_pkex_init(struct wpa_supplicant *wpa_s, |
Sunil Ravi | a04bd25 | 2022-05-02 22:54:18 -0700 | [diff] [blame] | 3094 | enum dpp_pkex_ver ver, |
Hai Shalom | a20dcd7 | 2022-02-04 13:43:00 -0800 | [diff] [blame] | 3095 | const struct hostapd_ip_addr *ipaddr, |
| 3096 | int tcp_port) |
| 3097 | { |
| 3098 | struct dpp_pkex *pkex; |
| 3099 | struct wpabuf *msg; |
| 3100 | unsigned int wait_time; |
| 3101 | bool v2 = ver != PKEX_VER_ONLY_1; |
| 3102 | |
| 3103 | wpa_printf(MSG_DEBUG, "DPP: Initiating PKEXv%d", v2 ? 2 : 1); |
| 3104 | dpp_pkex_free(wpa_s->dpp_pkex); |
| 3105 | wpa_s->dpp_pkex = NULL; |
| 3106 | pkex = dpp_pkex_init(wpa_s, wpa_s->dpp_pkex_bi, wpa_s->own_addr, |
| 3107 | wpa_s->dpp_pkex_identifier, |
Sunil Ravi | 89eba10 | 2022-09-13 21:04:37 -0700 | [diff] [blame] | 3108 | wpa_s->dpp_pkex_code, wpa_s->dpp_pkex_code_len, |
| 3109 | v2); |
Hai Shalom | a20dcd7 | 2022-02-04 13:43:00 -0800 | [diff] [blame] | 3110 | if (!pkex) |
| 3111 | return -1; |
| 3112 | pkex->forced_ver = ver != PKEX_VER_AUTO; |
| 3113 | |
| 3114 | if (ipaddr) { |
| 3115 | #ifdef CONFIG_DPP2 |
| 3116 | return dpp_tcp_pkex_init(wpa_s->dpp, pkex, ipaddr, tcp_port, |
| 3117 | wpa_s, wpa_s, wpas_dpp_pkex_done); |
| 3118 | #else /* CONFIG_DPP2 */ |
| 3119 | return -1; |
| 3120 | #endif /* CONFIG_DPP2 */ |
| 3121 | } |
| 3122 | |
| 3123 | wpa_s->dpp_pkex = pkex; |
| 3124 | msg = pkex->exchange_req; |
| 3125 | wait_time = wpa_s->max_remain_on_chan; |
| 3126 | if (wait_time > 2000) |
| 3127 | wait_time = 2000; |
| 3128 | pkex->freq = 2437; |
| 3129 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_TX "dst=" MACSTR |
| 3130 | " freq=%u type=%d", |
| 3131 | MAC2STR(broadcast), pkex->freq, |
| 3132 | v2 ? DPP_PA_PKEX_EXCHANGE_REQ : |
| 3133 | DPP_PA_PKEX_V1_EXCHANGE_REQ); |
| 3134 | offchannel_send_action(wpa_s, pkex->freq, broadcast, |
| 3135 | wpa_s->own_addr, broadcast, |
| 3136 | wpabuf_head(msg), wpabuf_len(msg), |
| 3137 | wait_time, wpas_dpp_tx_pkex_status, 0); |
| 3138 | if (wait_time == 0) |
| 3139 | wait_time = 2000; |
| 3140 | pkex->exch_req_wait_time = wait_time; |
| 3141 | pkex->exch_req_tries = 1; |
| 3142 | |
| 3143 | return 0; |
| 3144 | } |
| 3145 | |
| 3146 | |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 3147 | static void wpas_dpp_pkex_retry_timeout(void *eloop_ctx, void *timeout_ctx) |
| 3148 | { |
| 3149 | struct wpa_supplicant *wpa_s = eloop_ctx; |
| 3150 | struct dpp_pkex *pkex = wpa_s->dpp_pkex; |
| 3151 | |
| 3152 | if (!pkex || !pkex->exchange_req) |
| 3153 | return; |
| 3154 | if (pkex->exch_req_tries >= 5) { |
| 3155 | if (wpas_dpp_pkex_next_channel(wpa_s, pkex) < 0) { |
Hai Shalom | a20dcd7 | 2022-02-04 13:43:00 -0800 | [diff] [blame] | 3156 | #ifdef CONFIG_DPP3 |
| 3157 | if (pkex->v2 && !pkex->forced_ver) { |
| 3158 | wpa_printf(MSG_DEBUG, |
| 3159 | "DPP: Fall back to PKEXv1"); |
| 3160 | wpas_dpp_pkex_init(wpa_s, PKEX_VER_ONLY_1, |
| 3161 | NULL, 0); |
| 3162 | return; |
| 3163 | } |
| 3164 | #endif /* CONFIG_DPP3 */ |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 3165 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_FAIL |
| 3166 | "No response from PKEX peer"); |
| 3167 | dpp_pkex_free(pkex); |
| 3168 | wpa_s->dpp_pkex = NULL; |
| 3169 | return; |
| 3170 | } |
| 3171 | pkex->exch_req_tries = 0; |
| 3172 | } |
| 3173 | |
| 3174 | pkex->exch_req_tries++; |
| 3175 | wpa_printf(MSG_DEBUG, "DPP: Retransmit PKEX Exchange Request (try %u)", |
| 3176 | pkex->exch_req_tries); |
| 3177 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_TX "dst=" MACSTR " freq=%u type=%d", |
Hai Shalom | a20dcd7 | 2022-02-04 13:43:00 -0800 | [diff] [blame] | 3178 | MAC2STR(broadcast), pkex->freq, |
| 3179 | pkex->v2 ? DPP_PA_PKEX_EXCHANGE_REQ : |
| 3180 | DPP_PA_PKEX_V1_EXCHANGE_REQ); |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 3181 | offchannel_send_action(wpa_s, pkex->freq, broadcast, |
| 3182 | wpa_s->own_addr, broadcast, |
| 3183 | wpabuf_head(pkex->exchange_req), |
| 3184 | wpabuf_len(pkex->exchange_req), |
| 3185 | pkex->exch_req_wait_time, |
| 3186 | wpas_dpp_tx_pkex_status, 0); |
| 3187 | } |
| 3188 | |
| 3189 | |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 3190 | static void |
| 3191 | wpas_dpp_tx_pkex_status(struct wpa_supplicant *wpa_s, |
| 3192 | unsigned int freq, const u8 *dst, |
| 3193 | const u8 *src, const u8 *bssid, |
| 3194 | const u8 *data, size_t data_len, |
| 3195 | enum offchannel_send_action_result result) |
| 3196 | { |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 3197 | const char *res_txt; |
| 3198 | struct dpp_pkex *pkex = wpa_s->dpp_pkex; |
| 3199 | |
| 3200 | res_txt = result == OFFCHANNEL_SEND_ACTION_SUCCESS ? "SUCCESS" : |
| 3201 | (result == OFFCHANNEL_SEND_ACTION_NO_ACK ? "no-ACK" : |
| 3202 | "FAILED"); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 3203 | wpa_printf(MSG_DEBUG, "DPP: TX status: freq=%u dst=" MACSTR |
| 3204 | " result=%s (PKEX)", |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 3205 | freq, MAC2STR(dst), res_txt); |
| 3206 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_TX_STATUS "dst=" MACSTR |
| 3207 | " freq=%u result=%s", MAC2STR(dst), freq, res_txt); |
| 3208 | |
| 3209 | if (!pkex) { |
| 3210 | wpa_printf(MSG_DEBUG, |
| 3211 | "DPP: Ignore TX status since there is no ongoing PKEX exchange"); |
| 3212 | return; |
| 3213 | } |
| 3214 | |
| 3215 | if (pkex->failed) { |
| 3216 | wpa_printf(MSG_DEBUG, |
| 3217 | "DPP: Terminate PKEX exchange due to an earlier error"); |
| 3218 | if (pkex->t > pkex->own_bi->pkex_t) |
| 3219 | pkex->own_bi->pkex_t = pkex->t; |
| 3220 | dpp_pkex_free(pkex); |
| 3221 | wpa_s->dpp_pkex = NULL; |
| 3222 | return; |
| 3223 | } |
| 3224 | |
| 3225 | if (pkex->exch_req_wait_time && pkex->exchange_req) { |
| 3226 | /* Wait for PKEX Exchange Response frame and retry request if |
| 3227 | * no response is seen. */ |
| 3228 | eloop_cancel_timeout(wpas_dpp_pkex_retry_timeout, wpa_s, NULL); |
| 3229 | eloop_register_timeout(pkex->exch_req_wait_time / 1000, |
| 3230 | (pkex->exch_req_wait_time % 1000) * 1000, |
| 3231 | wpas_dpp_pkex_retry_timeout, wpa_s, |
| 3232 | NULL); |
| 3233 | } |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 3234 | } |
| 3235 | |
| 3236 | |
| 3237 | static void |
| 3238 | wpas_dpp_rx_pkex_exchange_req(struct wpa_supplicant *wpa_s, const u8 *src, |
Hai Shalom | a20dcd7 | 2022-02-04 13:43:00 -0800 | [diff] [blame] | 3239 | const u8 *buf, size_t len, unsigned int freq, |
| 3240 | bool v2) |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 3241 | { |
| 3242 | struct wpabuf *msg; |
| 3243 | unsigned int wait_time; |
| 3244 | |
| 3245 | wpa_printf(MSG_DEBUG, "DPP: PKEX Exchange Request from " MACSTR, |
| 3246 | MAC2STR(src)); |
| 3247 | |
Sunil Ravi | a04bd25 | 2022-05-02 22:54:18 -0700 | [diff] [blame] | 3248 | if (wpa_s->dpp_pkex_ver == PKEX_VER_ONLY_1 && v2) { |
| 3249 | wpa_printf(MSG_DEBUG, |
| 3250 | "DPP: Ignore PKEXv2 Exchange Request when configured to be PKEX v1 only"); |
| 3251 | return; |
| 3252 | } |
| 3253 | if (wpa_s->dpp_pkex_ver == PKEX_VER_ONLY_2 && !v2) { |
| 3254 | wpa_printf(MSG_DEBUG, |
| 3255 | "DPP: Ignore PKEXv1 Exchange Request when configured to be PKEX v2 only"); |
| 3256 | return; |
| 3257 | } |
| 3258 | |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 3259 | /* TODO: Support multiple PKEX codes by iterating over all the enabled |
| 3260 | * values here */ |
| 3261 | |
| 3262 | if (!wpa_s->dpp_pkex_code || !wpa_s->dpp_pkex_bi) { |
| 3263 | wpa_printf(MSG_DEBUG, |
| 3264 | "DPP: No PKEX code configured - ignore request"); |
| 3265 | return; |
| 3266 | } |
| 3267 | |
Sunil Ravi | 89eba10 | 2022-09-13 21:04:37 -0700 | [diff] [blame] | 3268 | #ifdef CONFIG_DPP2 |
| 3269 | if (dpp_controller_is_own_pkex_req(wpa_s->dpp, buf, len)) { |
| 3270 | wpa_printf(MSG_DEBUG, |
| 3271 | "DPP: PKEX Exchange Request is from local Controller - ignore request"); |
| 3272 | return; |
| 3273 | } |
| 3274 | #endif /* CONFIG_DPP2 */ |
| 3275 | |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 3276 | if (wpa_s->dpp_pkex) { |
| 3277 | /* TODO: Support parallel operations */ |
| 3278 | wpa_printf(MSG_DEBUG, |
| 3279 | "DPP: Already in PKEX session - ignore new request"); |
| 3280 | return; |
| 3281 | } |
| 3282 | |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 3283 | wpa_s->dpp_pkex = dpp_pkex_rx_exchange_req(wpa_s, wpa_s->dpp_pkex_bi, |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 3284 | wpa_s->own_addr, src, |
| 3285 | wpa_s->dpp_pkex_identifier, |
| 3286 | wpa_s->dpp_pkex_code, |
Sunil Ravi | 89eba10 | 2022-09-13 21:04:37 -0700 | [diff] [blame] | 3287 | wpa_s->dpp_pkex_code_len, |
Hai Shalom | a20dcd7 | 2022-02-04 13:43:00 -0800 | [diff] [blame] | 3288 | buf, len, v2); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 3289 | if (!wpa_s->dpp_pkex) { |
| 3290 | wpa_printf(MSG_DEBUG, |
| 3291 | "DPP: Failed to process the request - ignore it"); |
| 3292 | return; |
| 3293 | } |
| 3294 | |
Sunil Ravi | 89eba10 | 2022-09-13 21:04:37 -0700 | [diff] [blame] | 3295 | #ifdef CONFIG_DPP3 |
| 3296 | if (wpa_s->dpp_pb_bi && wpa_s->dpp_pb_announcement) { |
| 3297 | wpa_printf(MSG_DEBUG, |
| 3298 | "DPP: Started PB PKEX (no more PB announcements)"); |
| 3299 | wpabuf_free(wpa_s->dpp_pb_announcement); |
| 3300 | wpa_s->dpp_pb_announcement = NULL; |
| 3301 | } |
| 3302 | #endif /* CONFIG_DPP3 */ |
Sunil Ravi | a04bd25 | 2022-05-02 22:54:18 -0700 | [diff] [blame] | 3303 | wpa_s->dpp_pkex_wait_auth_req = false; |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 3304 | msg = wpa_s->dpp_pkex->exchange_resp; |
| 3305 | wait_time = wpa_s->max_remain_on_chan; |
| 3306 | if (wait_time > 2000) |
| 3307 | wait_time = 2000; |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 3308 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_TX "dst=" MACSTR " freq=%u type=%d", |
| 3309 | MAC2STR(src), freq, DPP_PA_PKEX_EXCHANGE_RESP); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 3310 | offchannel_send_action(wpa_s, freq, src, wpa_s->own_addr, |
| 3311 | broadcast, |
| 3312 | wpabuf_head(msg), wpabuf_len(msg), |
| 3313 | wait_time, wpas_dpp_tx_pkex_status, 0); |
| 3314 | } |
| 3315 | |
| 3316 | |
| 3317 | static void |
| 3318 | wpas_dpp_rx_pkex_exchange_resp(struct wpa_supplicant *wpa_s, const u8 *src, |
| 3319 | const u8 *buf, size_t len, unsigned int freq) |
| 3320 | { |
| 3321 | struct wpabuf *msg; |
| 3322 | unsigned int wait_time; |
| 3323 | |
| 3324 | wpa_printf(MSG_DEBUG, "DPP: PKEX Exchange Response from " MACSTR, |
| 3325 | MAC2STR(src)); |
| 3326 | |
| 3327 | /* TODO: Support multiple PKEX codes by iterating over all the enabled |
| 3328 | * values here */ |
| 3329 | |
| 3330 | if (!wpa_s->dpp_pkex || !wpa_s->dpp_pkex->initiator || |
| 3331 | wpa_s->dpp_pkex->exchange_done) { |
| 3332 | wpa_printf(MSG_DEBUG, "DPP: No matching PKEX session"); |
| 3333 | return; |
| 3334 | } |
| 3335 | |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 3336 | eloop_cancel_timeout(wpas_dpp_pkex_retry_timeout, wpa_s, NULL); |
| 3337 | wpa_s->dpp_pkex->exch_req_wait_time = 0; |
| 3338 | |
| 3339 | msg = dpp_pkex_rx_exchange_resp(wpa_s->dpp_pkex, src, buf, len); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 3340 | if (!msg) { |
| 3341 | wpa_printf(MSG_DEBUG, "DPP: Failed to process the response"); |
| 3342 | return; |
| 3343 | } |
| 3344 | |
| 3345 | wpa_printf(MSG_DEBUG, "DPP: Send PKEX Commit-Reveal Request to " MACSTR, |
| 3346 | MAC2STR(src)); |
| 3347 | |
| 3348 | wait_time = wpa_s->max_remain_on_chan; |
| 3349 | if (wait_time > 2000) |
| 3350 | wait_time = 2000; |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 3351 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_TX "dst=" MACSTR " freq=%u type=%d", |
| 3352 | MAC2STR(src), freq, DPP_PA_PKEX_COMMIT_REVEAL_REQ); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 3353 | offchannel_send_action(wpa_s, freq, src, wpa_s->own_addr, |
| 3354 | broadcast, |
| 3355 | wpabuf_head(msg), wpabuf_len(msg), |
| 3356 | wait_time, wpas_dpp_tx_pkex_status, 0); |
| 3357 | wpabuf_free(msg); |
| 3358 | } |
| 3359 | |
| 3360 | |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 3361 | static struct dpp_bootstrap_info * |
| 3362 | wpas_dpp_pkex_finish(struct wpa_supplicant *wpa_s, const u8 *peer, |
| 3363 | unsigned int freq) |
| 3364 | { |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 3365 | struct dpp_bootstrap_info *bi; |
| 3366 | |
Sunil Ravi | 89eba10 | 2022-09-13 21:04:37 -0700 | [diff] [blame] | 3367 | wpas_dpp_pkex_clear_code(wpa_s); |
Hai Shalom | 021b0b5 | 2019-04-10 11:17:58 -0700 | [diff] [blame] | 3368 | bi = dpp_pkex_finish(wpa_s->dpp, wpa_s->dpp_pkex, peer, freq); |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 3369 | if (!bi) |
| 3370 | return NULL; |
Sunil Ravi | 89eba10 | 2022-09-13 21:04:37 -0700 | [diff] [blame] | 3371 | |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 3372 | wpa_s->dpp_pkex = NULL; |
Sunil Ravi | 89eba10 | 2022-09-13 21:04:37 -0700 | [diff] [blame] | 3373 | |
| 3374 | #ifdef CONFIG_DPP3 |
| 3375 | if (wpa_s->dpp_pb_bi && !wpa_s->dpp_pb_configurator && |
| 3376 | os_memcmp(bi->pubkey_hash_chirp, wpa_s->dpp_pb_init_hash, |
| 3377 | SHA256_MAC_LEN) != 0) { |
| 3378 | char id[20]; |
| 3379 | |
| 3380 | wpa_printf(MSG_INFO, |
| 3381 | "DPP: Peer bootstrap key from PKEX does not match PB announcement response hash"); |
| 3382 | wpa_hexdump(MSG_DEBUG, |
| 3383 | "DPP: Peer provided bootstrap key hash(chirp) from PB PKEX", |
| 3384 | bi->pubkey_hash_chirp, SHA256_MAC_LEN); |
| 3385 | wpa_hexdump(MSG_DEBUG, |
| 3386 | "DPP: Peer provided bootstrap key hash(chirp) from PB announcement response", |
| 3387 | wpa_s->dpp_pb_init_hash, SHA256_MAC_LEN); |
| 3388 | |
| 3389 | os_snprintf(id, sizeof(id), "%u", bi->id); |
| 3390 | dpp_bootstrap_remove(wpa_s->dpp, id); |
| 3391 | wpas_dpp_push_button_stop(wpa_s); |
| 3392 | return NULL; |
| 3393 | } |
| 3394 | #endif /* CONFIG_DPP3 */ |
| 3395 | |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 3396 | return bi; |
| 3397 | } |
| 3398 | |
| 3399 | |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 3400 | static void |
| 3401 | wpas_dpp_rx_pkex_commit_reveal_req(struct wpa_supplicant *wpa_s, const u8 *src, |
| 3402 | const u8 *hdr, const u8 *buf, size_t len, |
| 3403 | unsigned int freq) |
| 3404 | { |
| 3405 | struct wpabuf *msg; |
| 3406 | unsigned int wait_time; |
| 3407 | struct dpp_pkex *pkex = wpa_s->dpp_pkex; |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 3408 | |
| 3409 | wpa_printf(MSG_DEBUG, "DPP: PKEX Commit-Reveal Request from " MACSTR, |
| 3410 | MAC2STR(src)); |
| 3411 | |
| 3412 | if (!pkex || pkex->initiator || !pkex->exchange_done) { |
| 3413 | wpa_printf(MSG_DEBUG, "DPP: No matching PKEX session"); |
| 3414 | return; |
| 3415 | } |
| 3416 | |
| 3417 | msg = dpp_pkex_rx_commit_reveal_req(pkex, hdr, buf, len); |
| 3418 | if (!msg) { |
| 3419 | wpa_printf(MSG_DEBUG, "DPP: Failed to process the request"); |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 3420 | if (pkex->failed) { |
| 3421 | wpa_printf(MSG_DEBUG, "DPP: Terminate PKEX exchange"); |
| 3422 | if (pkex->t > pkex->own_bi->pkex_t) |
| 3423 | pkex->own_bi->pkex_t = pkex->t; |
| 3424 | dpp_pkex_free(wpa_s->dpp_pkex); |
| 3425 | wpa_s->dpp_pkex = NULL; |
| 3426 | } |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 3427 | return; |
| 3428 | } |
| 3429 | |
| 3430 | wpa_printf(MSG_DEBUG, "DPP: Send PKEX Commit-Reveal Response to " |
| 3431 | MACSTR, MAC2STR(src)); |
| 3432 | |
| 3433 | wait_time = wpa_s->max_remain_on_chan; |
| 3434 | if (wait_time > 2000) |
| 3435 | wait_time = 2000; |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 3436 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_TX "dst=" MACSTR " freq=%u type=%d", |
| 3437 | MAC2STR(src), freq, DPP_PA_PKEX_COMMIT_REVEAL_RESP); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 3438 | offchannel_send_action(wpa_s, freq, src, wpa_s->own_addr, |
| 3439 | broadcast, |
| 3440 | wpabuf_head(msg), wpabuf_len(msg), |
| 3441 | wait_time, wpas_dpp_tx_pkex_status, 0); |
| 3442 | wpabuf_free(msg); |
| 3443 | |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 3444 | wpas_dpp_pkex_finish(wpa_s, src, freq); |
Sunil Ravi | a04bd25 | 2022-05-02 22:54:18 -0700 | [diff] [blame] | 3445 | wpa_s->dpp_pkex_wait_auth_req = true; |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 3446 | } |
| 3447 | |
| 3448 | |
| 3449 | static void |
| 3450 | wpas_dpp_rx_pkex_commit_reveal_resp(struct wpa_supplicant *wpa_s, const u8 *src, |
| 3451 | const u8 *hdr, const u8 *buf, size_t len, |
| 3452 | unsigned int freq) |
| 3453 | { |
| 3454 | int res; |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 3455 | struct dpp_bootstrap_info *bi; |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 3456 | struct dpp_pkex *pkex = wpa_s->dpp_pkex; |
| 3457 | char cmd[500]; |
| 3458 | |
| 3459 | wpa_printf(MSG_DEBUG, "DPP: PKEX Commit-Reveal Response from " MACSTR, |
| 3460 | MAC2STR(src)); |
| 3461 | |
| 3462 | if (!pkex || !pkex->initiator || !pkex->exchange_done) { |
| 3463 | wpa_printf(MSG_DEBUG, "DPP: No matching PKEX session"); |
| 3464 | return; |
| 3465 | } |
| 3466 | |
| 3467 | res = dpp_pkex_rx_commit_reveal_resp(pkex, hdr, buf, len); |
| 3468 | if (res < 0) { |
| 3469 | wpa_printf(MSG_DEBUG, "DPP: Failed to process the response"); |
| 3470 | return; |
| 3471 | } |
| 3472 | |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 3473 | bi = wpas_dpp_pkex_finish(wpa_s, src, freq); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 3474 | if (!bi) |
| 3475 | return; |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 3476 | |
Sunil Ravi | 89eba10 | 2022-09-13 21:04:37 -0700 | [diff] [blame] | 3477 | #ifdef CONFIG_DPP3 |
| 3478 | if (wpa_s->dpp_pb_bi && wpa_s->dpp_pb_configurator && |
| 3479 | os_memcmp(bi->pubkey_hash_chirp, wpa_s->dpp_pb_resp_hash, |
| 3480 | SHA256_MAC_LEN) != 0) { |
| 3481 | char id[20]; |
| 3482 | |
| 3483 | wpa_printf(MSG_INFO, |
| 3484 | "DPP: Peer bootstrap key from PKEX does not match PB announcement hash"); |
| 3485 | wpa_hexdump(MSG_DEBUG, |
| 3486 | "DPP: Peer provided bootstrap key hash(chirp) from PB PKEX", |
| 3487 | bi->pubkey_hash_chirp, SHA256_MAC_LEN); |
| 3488 | wpa_hexdump(MSG_DEBUG, |
| 3489 | "DPP: Peer provided bootstrap key hash(chirp) from PB announcement", |
| 3490 | wpa_s->dpp_pb_resp_hash, SHA256_MAC_LEN); |
| 3491 | |
| 3492 | os_snprintf(id, sizeof(id), "%u", bi->id); |
| 3493 | dpp_bootstrap_remove(wpa_s->dpp, id); |
| 3494 | wpas_dpp_push_button_stop(wpa_s); |
| 3495 | return; |
| 3496 | } |
| 3497 | #endif /* CONFIG_DPP3 */ |
| 3498 | |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 3499 | os_snprintf(cmd, sizeof(cmd), " peer=%u %s", |
| 3500 | bi->id, |
| 3501 | wpa_s->dpp_pkex_auth_cmd ? wpa_s->dpp_pkex_auth_cmd : ""); |
| 3502 | wpa_printf(MSG_DEBUG, |
| 3503 | "DPP: Start authentication after PKEX with parameters: %s", |
| 3504 | cmd); |
| 3505 | if (wpas_dpp_auth_init(wpa_s, cmd) < 0) { |
| 3506 | wpa_printf(MSG_DEBUG, |
| 3507 | "DPP: Authentication initialization failed"); |
Hai Shalom | fdcde76 | 2020-04-02 11:19:20 -0700 | [diff] [blame] | 3508 | offchannel_send_action_done(wpa_s); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 3509 | return; |
| 3510 | } |
| 3511 | } |
| 3512 | |
| 3513 | |
Sunil Ravi | 89eba10 | 2022-09-13 21:04:37 -0700 | [diff] [blame] | 3514 | #ifdef CONFIG_DPP3 |
| 3515 | |
| 3516 | static void wpas_dpp_pb_pkex_init(struct wpa_supplicant *wpa_s, |
| 3517 | unsigned int freq, const u8 *src, |
| 3518 | const u8 *r_hash) |
| 3519 | { |
| 3520 | struct dpp_pkex *pkex; |
| 3521 | struct wpabuf *msg; |
| 3522 | unsigned int wait_time; |
| 3523 | size_t len; |
| 3524 | |
| 3525 | if (wpa_s->dpp_pkex) { |
| 3526 | wpa_printf(MSG_DEBUG, |
| 3527 | "DPP: Sending previously generated PKEX Exchange Request to " |
| 3528 | MACSTR, MAC2STR(src)); |
| 3529 | msg = wpa_s->dpp_pkex->exchange_req; |
| 3530 | wait_time = wpa_s->max_remain_on_chan; |
| 3531 | if (wait_time > 2000) |
| 3532 | wait_time = 2000; |
| 3533 | offchannel_send_action(wpa_s, freq, src, |
| 3534 | wpa_s->own_addr, broadcast, |
| 3535 | wpabuf_head(msg), wpabuf_len(msg), |
| 3536 | wait_time, wpas_dpp_tx_pkex_status, 0); |
| 3537 | return; |
| 3538 | } |
| 3539 | |
| 3540 | wpa_printf(MSG_DEBUG, "DPP: Initiate PKEX for push button with " |
| 3541 | MACSTR, MAC2STR(src)); |
| 3542 | |
| 3543 | if (!wpa_s->dpp_pb_cmd) { |
| 3544 | wpa_printf(MSG_INFO, |
| 3545 | "DPP: No configuration to provision as push button Configurator"); |
| 3546 | wpas_dpp_push_button_stop(wpa_s); |
| 3547 | return; |
| 3548 | } |
| 3549 | |
| 3550 | wpa_s->dpp_pkex_bi = wpa_s->dpp_pb_bi; |
| 3551 | os_memcpy(wpa_s->dpp_pb_resp_hash, r_hash, SHA256_MAC_LEN); |
| 3552 | |
| 3553 | pkex = dpp_pkex_init(wpa_s, wpa_s->dpp_pkex_bi, wpa_s->own_addr, |
| 3554 | "PBPKEX", (const char *) wpa_s->dpp_pb_c_nonce, |
| 3555 | wpa_s->dpp_pb_bi->curve->nonce_len, |
| 3556 | true); |
| 3557 | if (!pkex) { |
| 3558 | wpas_dpp_push_button_stop(wpa_s); |
| 3559 | return; |
| 3560 | } |
| 3561 | pkex->freq = freq; |
| 3562 | |
| 3563 | wpa_s->dpp_pkex = pkex; |
| 3564 | msg = wpa_s->dpp_pkex->exchange_req; |
| 3565 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_TX "dst=" MACSTR |
| 3566 | " freq=%u type=%d", MAC2STR(src), freq, |
| 3567 | DPP_PA_PKEX_EXCHANGE_REQ); |
| 3568 | wait_time = wpa_s->max_remain_on_chan; |
| 3569 | if (wait_time > 2000) |
| 3570 | wait_time = 2000; |
| 3571 | offchannel_send_action(wpa_s, pkex->freq, src, |
| 3572 | wpa_s->own_addr, broadcast, |
| 3573 | wpabuf_head(msg), wpabuf_len(msg), |
| 3574 | wait_time, wpas_dpp_tx_pkex_status, 0); |
| 3575 | pkex->exch_req_wait_time = 2000; |
| 3576 | pkex->exch_req_tries = 1; |
| 3577 | |
| 3578 | /* Use the externally provided configuration */ |
| 3579 | os_free(wpa_s->dpp_pkex_auth_cmd); |
| 3580 | len = 30 + os_strlen(wpa_s->dpp_pb_cmd); |
| 3581 | wpa_s->dpp_pkex_auth_cmd = os_malloc(len); |
| 3582 | if (wpa_s->dpp_pkex_auth_cmd) |
| 3583 | os_snprintf(wpa_s->dpp_pkex_auth_cmd, len, " own=%d %s", |
| 3584 | wpa_s->dpp_pkex_bi->id, wpa_s->dpp_pb_cmd); |
| 3585 | else |
| 3586 | wpas_dpp_push_button_stop(wpa_s); |
| 3587 | } |
| 3588 | |
| 3589 | |
| 3590 | static void |
| 3591 | wpas_dpp_rx_pb_presence_announcement(struct wpa_supplicant *wpa_s, |
| 3592 | const u8 *src, const u8 *hdr, |
| 3593 | const u8 *buf, size_t len, |
| 3594 | unsigned int freq) |
| 3595 | { |
| 3596 | const u8 *r_hash; |
| 3597 | u16 r_hash_len; |
| 3598 | unsigned int i; |
| 3599 | bool found = false; |
| 3600 | struct dpp_pb_info *info, *tmp; |
| 3601 | struct os_reltime now, age; |
| 3602 | struct wpabuf *msg; |
| 3603 | |
| 3604 | os_get_reltime(&now); |
| 3605 | wpa_printf(MSG_DEBUG, "DPP: Push Button Presence Announcement from " |
| 3606 | MACSTR, MAC2STR(src)); |
| 3607 | |
| 3608 | r_hash = dpp_get_attr(buf, len, DPP_ATTR_R_BOOTSTRAP_KEY_HASH, |
| 3609 | &r_hash_len); |
| 3610 | if (!r_hash || r_hash_len != SHA256_MAC_LEN) { |
| 3611 | wpa_printf(MSG_DEBUG, |
| 3612 | "DPP: Missing or invalid required Responder Bootstrapping Key Hash attribute"); |
| 3613 | return; |
| 3614 | } |
| 3615 | wpa_hexdump(MSG_MSGDUMP, "DPP: Responder Bootstrapping Key Hash", |
| 3616 | r_hash, r_hash_len); |
| 3617 | |
| 3618 | for (i = 0; i < DPP_PB_INFO_COUNT; i++) { |
| 3619 | info = &wpa_s->dpp_pb[i]; |
| 3620 | if ((info->rx_time.sec == 0 && info->rx_time.usec == 0) || |
| 3621 | os_memcmp(r_hash, info->hash, SHA256_MAC_LEN) != 0) |
| 3622 | continue; |
| 3623 | wpa_printf(MSG_DEBUG, |
| 3624 | "DPP: Active push button Enrollee already known"); |
| 3625 | found = true; |
| 3626 | info->rx_time = now; |
| 3627 | } |
| 3628 | |
| 3629 | if (!found) { |
| 3630 | for (i = 0; i < DPP_PB_INFO_COUNT; i++) { |
| 3631 | tmp = &wpa_s->dpp_pb[i]; |
| 3632 | if (tmp->rx_time.sec == 0 && tmp->rx_time.usec == 0) |
| 3633 | continue; |
| 3634 | |
| 3635 | if (os_reltime_expired(&now, &tmp->rx_time, 120)) { |
| 3636 | wpa_hexdump(MSG_DEBUG, |
| 3637 | "DPP: Push button Enrollee hash expired", |
| 3638 | tmp->hash, SHA256_MAC_LEN); |
| 3639 | tmp->rx_time.sec = 0; |
| 3640 | tmp->rx_time.usec = 0; |
| 3641 | continue; |
| 3642 | } |
| 3643 | |
| 3644 | wpa_hexdump(MSG_DEBUG, |
| 3645 | "DPP: Push button session overlap with hash", |
| 3646 | tmp->hash, SHA256_MAC_LEN); |
| 3647 | if (!wpa_s->dpp_pb_result_indicated && |
| 3648 | wpas_dpp_pb_active(wpa_s)) { |
| 3649 | wpa_msg(wpa_s, MSG_INFO, |
| 3650 | DPP_EVENT_PB_RESULT "session-overlap"); |
| 3651 | wpa_s->dpp_pb_result_indicated = true; |
| 3652 | } |
| 3653 | wpas_dpp_push_button_stop(wpa_s); |
| 3654 | return; |
| 3655 | } |
| 3656 | |
| 3657 | /* Replace the oldest entry */ |
| 3658 | info = &wpa_s->dpp_pb[0]; |
| 3659 | for (i = 1; i < DPP_PB_INFO_COUNT; i++) { |
| 3660 | tmp = &wpa_s->dpp_pb[i]; |
| 3661 | if (os_reltime_before(&tmp->rx_time, &info->rx_time)) |
| 3662 | info = tmp; |
| 3663 | } |
| 3664 | wpa_printf(MSG_DEBUG, "DPP: New active push button Enrollee"); |
| 3665 | os_memcpy(info->hash, r_hash, SHA256_MAC_LEN); |
| 3666 | info->rx_time = now; |
| 3667 | } |
| 3668 | |
| 3669 | if (!wpas_dpp_pb_active(wpa_s)) { |
| 3670 | wpa_printf(MSG_DEBUG, |
| 3671 | "DPP: Discard message since own push button has not been pressed"); |
| 3672 | return; |
| 3673 | } |
| 3674 | |
| 3675 | if (wpa_s->dpp_pb_announce_time.sec == 0 && |
| 3676 | wpa_s->dpp_pb_announce_time.usec == 0) { |
| 3677 | /* Start a wait before allowing PKEX to be initiated */ |
| 3678 | wpa_s->dpp_pb_announce_time = now; |
| 3679 | } |
| 3680 | |
| 3681 | if (!wpa_s->dpp_pb_bi) { |
| 3682 | int res; |
| 3683 | |
| 3684 | res = dpp_bootstrap_gen(wpa_s->dpp, "type=pkex"); |
| 3685 | if (res < 0) |
| 3686 | return; |
| 3687 | wpa_s->dpp_pb_bi = dpp_bootstrap_get_id(wpa_s->dpp, res); |
| 3688 | if (!wpa_s->dpp_pb_bi) |
| 3689 | return; |
| 3690 | |
| 3691 | if (random_get_bytes(wpa_s->dpp_pb_c_nonce, |
| 3692 | wpa_s->dpp_pb_bi->curve->nonce_len)) { |
| 3693 | wpa_printf(MSG_ERROR, |
| 3694 | "DPP: Failed to generate C-nonce"); |
| 3695 | wpas_dpp_push_button_stop(wpa_s); |
| 3696 | return; |
| 3697 | } |
| 3698 | } |
| 3699 | |
| 3700 | /* Skip the response if one was sent within last 50 ms since the |
| 3701 | * Enrollee is going to send out at least three announcement messages. |
| 3702 | */ |
| 3703 | os_reltime_sub(&now, &wpa_s->dpp_pb_last_resp, &age); |
| 3704 | if (age.sec == 0 && age.usec < 50000) { |
| 3705 | wpa_printf(MSG_DEBUG, |
| 3706 | "DPP: Skip Push Button Presence Announcement Response frame immediately after having sent one"); |
| 3707 | return; |
| 3708 | } |
| 3709 | |
| 3710 | msg = dpp_build_pb_announcement_resp( |
| 3711 | wpa_s->dpp_pb_bi, r_hash, wpa_s->dpp_pb_c_nonce, |
| 3712 | wpa_s->dpp_pb_bi->curve->nonce_len); |
| 3713 | if (!msg) { |
| 3714 | wpas_dpp_push_button_stop(wpa_s); |
| 3715 | return; |
| 3716 | } |
| 3717 | |
| 3718 | wpa_printf(MSG_DEBUG, |
| 3719 | "DPP: Send Push Button Presence Announcement Response to " |
| 3720 | MACSTR, MAC2STR(src)); |
| 3721 | wpa_s->dpp_pb_last_resp = now; |
| 3722 | |
| 3723 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_TX "dst=" MACSTR " freq=%u type=%d", |
| 3724 | MAC2STR(src), freq, DPP_PA_PB_PRESENCE_ANNOUNCEMENT_RESP); |
| 3725 | offchannel_send_action(wpa_s, freq, src, wpa_s->own_addr, broadcast, |
| 3726 | wpabuf_head(msg), wpabuf_len(msg), |
| 3727 | 0, NULL, 0); |
| 3728 | wpabuf_free(msg); |
| 3729 | |
| 3730 | if (os_reltime_expired(&now, &wpa_s->dpp_pb_announce_time, 15)) |
| 3731 | wpas_dpp_pb_pkex_init(wpa_s, freq, src, r_hash); |
| 3732 | } |
| 3733 | |
| 3734 | |
| 3735 | static void |
| 3736 | wpas_dpp_rx_pb_presence_announcement_resp(struct wpa_supplicant *wpa_s, |
| 3737 | const u8 *src, const u8 *hdr, |
| 3738 | const u8 *buf, size_t len, |
| 3739 | unsigned int freq) |
| 3740 | { |
| 3741 | const u8 *i_hash, *r_hash, *c_nonce; |
| 3742 | u16 i_hash_len, r_hash_len, c_nonce_len; |
| 3743 | bool overlap = false; |
| 3744 | |
| 3745 | if (!wpa_s->dpp_pb_announcement || !wpa_s->dpp_pb_bi || |
| 3746 | wpa_s->dpp_pb_configurator) { |
| 3747 | wpa_printf(MSG_INFO, |
| 3748 | "DPP: Not in active push button Enrollee mode - discard Push Button Presence Announcement Response from " |
| 3749 | MACSTR, MAC2STR(src)); |
| 3750 | return; |
| 3751 | } |
| 3752 | |
| 3753 | wpa_printf(MSG_DEBUG, |
| 3754 | "DPP: Push Button Presence Announcement Response from " |
| 3755 | MACSTR, MAC2STR(src)); |
| 3756 | |
| 3757 | i_hash = dpp_get_attr(buf, len, DPP_ATTR_I_BOOTSTRAP_KEY_HASH, |
| 3758 | &i_hash_len); |
| 3759 | r_hash = dpp_get_attr(buf, len, DPP_ATTR_R_BOOTSTRAP_KEY_HASH, |
| 3760 | &r_hash_len); |
| 3761 | c_nonce = dpp_get_attr(buf, len, DPP_ATTR_CONFIGURATOR_NONCE, |
| 3762 | &c_nonce_len); |
| 3763 | if (!i_hash || i_hash_len != SHA256_MAC_LEN || |
| 3764 | !r_hash || r_hash_len != SHA256_MAC_LEN || |
| 3765 | !c_nonce || c_nonce_len > DPP_MAX_NONCE_LEN) { |
| 3766 | wpa_printf(MSG_DEBUG, |
| 3767 | "DPP: Missing or invalid required attribute"); |
| 3768 | return; |
| 3769 | } |
| 3770 | wpa_hexdump(MSG_MSGDUMP, "DPP: Initiator Bootstrapping Key Hash", |
| 3771 | i_hash, i_hash_len); |
| 3772 | wpa_hexdump(MSG_MSGDUMP, "DPP: Responder Bootstrapping Key Hash", |
| 3773 | r_hash, r_hash_len); |
| 3774 | wpa_hexdump(MSG_MSGDUMP, "DPP: Configurator Nonce", |
| 3775 | c_nonce, c_nonce_len); |
| 3776 | |
| 3777 | #ifdef CONFIG_TESTING_OPTIONS |
| 3778 | if (dpp_test == DPP_TEST_INVALID_R_BOOTSTRAP_KEY_HASH_PB_REQ && |
| 3779 | os_memcmp(r_hash, wpa_s->dpp_pb_bi->pubkey_hash_chirp, |
| 3780 | SHA256_MAC_LEN - 1) == 0) |
| 3781 | goto skip_hash_check; |
| 3782 | #endif /* CONFIG_TESTING_OPTIONS */ |
| 3783 | if (os_memcmp(r_hash, wpa_s->dpp_pb_bi->pubkey_hash_chirp, |
| 3784 | SHA256_MAC_LEN) != 0) { |
| 3785 | wpa_printf(MSG_INFO, |
| 3786 | "DPP: Unexpected push button Responder hash - abort"); |
| 3787 | overlap = true; |
| 3788 | } |
| 3789 | #ifdef CONFIG_TESTING_OPTIONS |
| 3790 | skip_hash_check: |
| 3791 | #endif /* CONFIG_TESTING_OPTIONS */ |
| 3792 | |
| 3793 | if (wpa_s->dpp_pb_resp_freq && |
| 3794 | os_memcmp(i_hash, wpa_s->dpp_pb_init_hash, SHA256_MAC_LEN) != 0) { |
| 3795 | wpa_printf(MSG_INFO, |
| 3796 | "DPP: Push button session overlap detected - abort"); |
| 3797 | overlap = true; |
| 3798 | } |
| 3799 | |
| 3800 | if (overlap) { |
| 3801 | if (!wpa_s->dpp_pb_result_indicated) { |
| 3802 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_PB_RESULT |
| 3803 | "session-overlap"); |
| 3804 | wpa_s->dpp_pb_result_indicated = true; |
| 3805 | } |
| 3806 | wpas_dpp_push_button_stop(wpa_s); |
| 3807 | return; |
| 3808 | } |
| 3809 | |
| 3810 | if (!wpa_s->dpp_pb_resp_freq) { |
| 3811 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_PB_STATUS |
| 3812 | "discovered push button AP/Configurator " MACSTR, |
| 3813 | MAC2STR(src)); |
| 3814 | wpa_s->dpp_pb_resp_freq = freq; |
| 3815 | os_memcpy(wpa_s->dpp_pb_init_hash, i_hash, SHA256_MAC_LEN); |
| 3816 | os_memcpy(wpa_s->dpp_pb_c_nonce, c_nonce, c_nonce_len); |
| 3817 | wpa_s->dpp_pb_c_nonce_len = c_nonce_len; |
| 3818 | /* Stop announcement iterations after at least one more full |
| 3819 | * round and one extra round for postponed session overlap |
| 3820 | * detection. */ |
| 3821 | wpa_s->dpp_pb_stop_iter = 3; |
| 3822 | } |
| 3823 | } |
| 3824 | |
| 3825 | |
| 3826 | static void |
| 3827 | wpas_dpp_tx_priv_intro_status(struct wpa_supplicant *wpa_s, |
| 3828 | unsigned int freq, const u8 *dst, |
| 3829 | const u8 *src, const u8 *bssid, |
| 3830 | const u8 *data, size_t data_len, |
| 3831 | enum offchannel_send_action_result result) |
| 3832 | { |
| 3833 | const char *res_txt; |
| 3834 | |
| 3835 | res_txt = result == OFFCHANNEL_SEND_ACTION_SUCCESS ? "SUCCESS" : |
| 3836 | (result == OFFCHANNEL_SEND_ACTION_NO_ACK ? "no-ACK" : |
| 3837 | "FAILED"); |
| 3838 | wpa_printf(MSG_DEBUG, "DPP: TX status: freq=%u dst=" MACSTR |
| 3839 | " result=%s (DPP Private Peer Introduction Update)", |
| 3840 | freq, MAC2STR(dst), res_txt); |
| 3841 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_TX_STATUS "dst=" MACSTR |
| 3842 | " freq=%u result=%s", MAC2STR(dst), freq, res_txt); |
| 3843 | |
| 3844 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_INTRO "peer=" MACSTR " version=%u", |
| 3845 | MAC2STR(src), wpa_s->dpp_intro_peer_version); |
| 3846 | |
| 3847 | wpa_printf(MSG_DEBUG, |
| 3848 | "DPP: Try connection again after successful network introduction"); |
| 3849 | if (wpa_supplicant_fast_associate(wpa_s) != 1) { |
| 3850 | wpa_supplicant_cancel_sched_scan(wpa_s); |
| 3851 | wpa_supplicant_req_scan(wpa_s, 0, 0); |
| 3852 | } |
| 3853 | } |
| 3854 | |
| 3855 | |
| 3856 | static int |
| 3857 | wpas_dpp_send_private_peer_intro_update(struct wpa_supplicant *wpa_s, |
| 3858 | struct dpp_introduction *intro, |
| 3859 | struct wpa_ssid *ssid, |
| 3860 | const u8 *dst, unsigned int freq) |
| 3861 | { |
| 3862 | struct wpabuf *pt, *msg, *enc_ct; |
| 3863 | size_t len; |
| 3864 | u8 ver = DPP_VERSION; |
| 3865 | int conn_ver; |
| 3866 | const u8 *aad; |
| 3867 | size_t aad_len; |
| 3868 | unsigned int wait_time; |
| 3869 | |
| 3870 | wpa_printf(MSG_DEBUG, "HPKE(kem_id=%u kdf_id=%u aead_id=%u)", |
| 3871 | intro->kem_id, intro->kdf_id, intro->aead_id); |
| 3872 | |
| 3873 | /* Plaintext for HPKE */ |
| 3874 | len = 5 + 4 + os_strlen(ssid->dpp_connector); |
| 3875 | pt = wpabuf_alloc(len); |
| 3876 | if (!pt) |
| 3877 | return -1; |
| 3878 | |
| 3879 | /* Protocol Version */ |
| 3880 | conn_ver = dpp_get_connector_version(ssid->dpp_connector); |
| 3881 | if (conn_ver > 0 && ver != conn_ver) { |
| 3882 | wpa_printf(MSG_DEBUG, |
| 3883 | "DPP: Use Connector version %d instead of current protocol version %d", |
| 3884 | conn_ver, ver); |
| 3885 | ver = conn_ver; |
| 3886 | } |
| 3887 | wpabuf_put_le16(pt, DPP_ATTR_PROTOCOL_VERSION); |
| 3888 | wpabuf_put_le16(pt, 1); |
| 3889 | wpabuf_put_u8(pt, ver); |
| 3890 | |
| 3891 | /* Connector */ |
| 3892 | wpabuf_put_le16(pt, DPP_ATTR_CONNECTOR); |
| 3893 | wpabuf_put_le16(pt, os_strlen(ssid->dpp_connector)); |
| 3894 | wpabuf_put_str(pt, ssid->dpp_connector); |
| 3895 | wpa_hexdump_buf(MSG_MSGDUMP, "DPP: Plaintext for HPKE", pt); |
| 3896 | |
| 3897 | /* HPKE(pt) using AP's public key (from its Connector) */ |
| 3898 | msg = dpp_alloc_msg(DPP_PA_PRIV_PEER_INTRO_UPDATE, 0); |
| 3899 | if (!msg) { |
| 3900 | wpabuf_free(pt); |
| 3901 | return -1; |
| 3902 | } |
| 3903 | aad = wpabuf_head_u8(msg) + 2; /* from the OUI field (inclusive) */ |
| 3904 | aad_len = DPP_HDR_LEN; /* to the DPP Frame Type field (inclusive) */ |
| 3905 | wpa_hexdump(MSG_MSGDUMP, "DPP: AAD for HPKE", aad, aad_len); |
| 3906 | |
| 3907 | enc_ct = hpke_base_seal(intro->kem_id, intro->kdf_id, intro->aead_id, |
| 3908 | intro->peer_key, NULL, 0, aad, aad_len, |
| 3909 | wpabuf_head(pt), wpabuf_len(pt)); |
| 3910 | wpabuf_free(pt); |
| 3911 | wpabuf_free(msg); |
| 3912 | if (!enc_ct) { |
| 3913 | wpa_printf(MSG_INFO, "DPP: HPKE Seal(Connector) failed"); |
| 3914 | return -1; |
| 3915 | } |
| 3916 | wpa_hexdump_buf(MSG_MSGDUMP, "DPP: HPKE enc|ct", enc_ct); |
| 3917 | |
| 3918 | /* HPKE(pt) to generate payload for Wrapped Data */ |
| 3919 | len = 5 + 4 + wpabuf_len(enc_ct); |
| 3920 | msg = dpp_alloc_msg(DPP_PA_PRIV_PEER_INTRO_UPDATE, len); |
| 3921 | if (!msg) { |
| 3922 | wpabuf_free(enc_ct); |
| 3923 | return -1; |
| 3924 | } |
| 3925 | |
| 3926 | /* Transaction ID */ |
| 3927 | wpabuf_put_le16(msg, DPP_ATTR_TRANSACTION_ID); |
| 3928 | wpabuf_put_le16(msg, 1); |
| 3929 | wpabuf_put_u8(msg, TRANSACTION_ID); |
| 3930 | |
| 3931 | /* Wrapped Data */ |
| 3932 | wpabuf_put_le16(msg, DPP_ATTR_WRAPPED_DATA); |
| 3933 | wpabuf_put_le16(msg, wpabuf_len(enc_ct)); |
| 3934 | wpabuf_put_buf(msg, enc_ct); |
| 3935 | wpabuf_free(enc_ct); |
| 3936 | |
| 3937 | wpa_hexdump_buf(MSG_MSGDUMP, "DPP: Private Peer Intro Update", msg); |
| 3938 | |
| 3939 | /* TODO: Timeout on AP response */ |
| 3940 | wait_time = wpa_s->max_remain_on_chan; |
| 3941 | if (wait_time > 2000) |
| 3942 | wait_time = 2000; |
| 3943 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_TX "dst=" MACSTR " freq=%u type=%d", |
| 3944 | MAC2STR(dst), freq, DPP_PA_PRIV_PEER_INTRO_QUERY); |
| 3945 | offchannel_send_action(wpa_s, freq, dst, wpa_s->own_addr, broadcast, |
| 3946 | wpabuf_head(msg), wpabuf_len(msg), |
| 3947 | wait_time, wpas_dpp_tx_priv_intro_status, 0); |
| 3948 | wpabuf_free(msg); |
| 3949 | |
| 3950 | return 0; |
| 3951 | } |
| 3952 | |
| 3953 | |
| 3954 | static void |
| 3955 | wpas_dpp_rx_priv_peer_intro_notify(struct wpa_supplicant *wpa_s, |
| 3956 | const u8 *src, const u8 *hdr, |
| 3957 | const u8 *buf, size_t len, |
| 3958 | unsigned int freq) |
| 3959 | { |
| 3960 | struct wpa_ssid *ssid; |
| 3961 | const u8 *connector, *trans_id, *version; |
| 3962 | u16 connector_len, trans_id_len, version_len; |
| 3963 | u8 peer_version = 1; |
| 3964 | struct dpp_introduction intro; |
| 3965 | struct rsn_pmksa_cache_entry *entry; |
| 3966 | struct os_time now; |
| 3967 | struct os_reltime rnow; |
| 3968 | os_time_t expiry; |
| 3969 | unsigned int seconds; |
| 3970 | enum dpp_status_error res; |
| 3971 | |
| 3972 | os_memset(&intro, 0, sizeof(intro)); |
| 3973 | |
| 3974 | wpa_printf(MSG_DEBUG, "DPP: Private Peer Introduction Notify from " |
| 3975 | MACSTR, MAC2STR(src)); |
| 3976 | if (is_zero_ether_addr(wpa_s->dpp_intro_bssid) || |
Sunil Ravi | b0ac25f | 2024-07-12 01:42:03 +0000 | [diff] [blame] | 3977 | !ether_addr_equal(src, wpa_s->dpp_intro_bssid)) { |
Sunil Ravi | 89eba10 | 2022-09-13 21:04:37 -0700 | [diff] [blame] | 3978 | wpa_printf(MSG_DEBUG, "DPP: Not waiting for response from " |
| 3979 | MACSTR " - drop", MAC2STR(src)); |
| 3980 | return; |
| 3981 | } |
| 3982 | offchannel_send_action_done(wpa_s); |
| 3983 | |
| 3984 | for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) { |
| 3985 | if (ssid == wpa_s->dpp_intro_network) |
| 3986 | break; |
| 3987 | } |
| 3988 | if (!ssid || !ssid->dpp_connector || !ssid->dpp_netaccesskey || |
| 3989 | !ssid->dpp_csign) { |
| 3990 | wpa_printf(MSG_DEBUG, |
| 3991 | "DPP: Profile not found for network introduction"); |
| 3992 | return; |
| 3993 | } |
| 3994 | |
| 3995 | trans_id = dpp_get_attr(buf, len, DPP_ATTR_TRANSACTION_ID, |
| 3996 | &trans_id_len); |
| 3997 | if (!trans_id || trans_id_len != 1) { |
| 3998 | wpa_printf(MSG_DEBUG, |
| 3999 | "DPP: Peer did not include Transaction ID"); |
| 4000 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_INTRO "peer=" MACSTR |
| 4001 | " fail=missing_transaction_id", MAC2STR(src)); |
| 4002 | goto fail; |
| 4003 | } |
| 4004 | if (trans_id[0] != TRANSACTION_ID) { |
| 4005 | wpa_printf(MSG_DEBUG, |
| 4006 | "DPP: Ignore frame with unexpected Transaction ID %u", |
| 4007 | trans_id[0]); |
| 4008 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_INTRO "peer=" MACSTR |
| 4009 | " fail=transaction_id_mismatch", MAC2STR(src)); |
| 4010 | goto fail; |
| 4011 | } |
| 4012 | |
| 4013 | connector = dpp_get_attr(buf, len, DPP_ATTR_CONNECTOR, &connector_len); |
| 4014 | if (!connector) { |
| 4015 | wpa_printf(MSG_DEBUG, |
| 4016 | "DPP: Peer did not include its Connector"); |
| 4017 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_INTRO "peer=" MACSTR |
| 4018 | " fail=missing_connector", MAC2STR(src)); |
| 4019 | goto fail; |
| 4020 | } |
| 4021 | |
| 4022 | version = dpp_get_attr(buf, len, DPP_ATTR_PROTOCOL_VERSION, |
| 4023 | &version_len); |
| 4024 | if (!version || version_len < 1) { |
| 4025 | wpa_printf(MSG_DEBUG, |
| 4026 | "DPP: Peer did not include valid Version"); |
| 4027 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_INTRO "peer=" MACSTR |
| 4028 | " fail=missing_version", MAC2STR(src)); |
| 4029 | goto fail; |
| 4030 | } |
| 4031 | |
| 4032 | res = dpp_peer_intro(&intro, ssid->dpp_connector, |
| 4033 | ssid->dpp_netaccesskey, |
| 4034 | ssid->dpp_netaccesskey_len, |
| 4035 | ssid->dpp_csign, |
| 4036 | ssid->dpp_csign_len, |
Sunil Ravi | 38ad1ed | 2023-01-17 23:58:31 +0000 | [diff] [blame] | 4037 | connector, connector_len, &expiry, NULL); |
Sunil Ravi | 89eba10 | 2022-09-13 21:04:37 -0700 | [diff] [blame] | 4038 | if (res != DPP_STATUS_OK) { |
| 4039 | wpa_printf(MSG_INFO, |
| 4040 | "DPP: Network Introduction protocol resulted in failure"); |
| 4041 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_INTRO "peer=" MACSTR |
| 4042 | " fail=peer_connector_validation_failed", MAC2STR(src)); |
| 4043 | wpas_dpp_send_conn_status_result(wpa_s, res); |
| 4044 | goto fail; |
| 4045 | } |
| 4046 | |
| 4047 | peer_version = version[0]; |
| 4048 | if (intro.peer_version && intro.peer_version >= 2 && |
| 4049 | peer_version != intro.peer_version) { |
| 4050 | wpa_printf(MSG_INFO, |
| 4051 | "DPP: Protocol version mismatch (Connector: %d Attribute: %d", |
| 4052 | intro.peer_version, peer_version); |
| 4053 | wpas_dpp_send_conn_status_result(wpa_s, DPP_STATUS_NO_MATCH); |
| 4054 | goto fail; |
| 4055 | } |
| 4056 | wpa_s->dpp_intro_peer_version = peer_version; |
| 4057 | |
| 4058 | entry = os_zalloc(sizeof(*entry)); |
| 4059 | if (!entry) |
| 4060 | goto fail; |
| 4061 | entry->dpp_pfs = peer_version >= 2; |
| 4062 | os_memcpy(entry->aa, src, ETH_ALEN); |
Sunil Ravi | 38ad1ed | 2023-01-17 23:58:31 +0000 | [diff] [blame] | 4063 | os_memcpy(entry->spa, wpa_s->own_addr, ETH_ALEN); |
Sunil Ravi | 89eba10 | 2022-09-13 21:04:37 -0700 | [diff] [blame] | 4064 | os_memcpy(entry->pmkid, intro.pmkid, PMKID_LEN); |
| 4065 | os_memcpy(entry->pmk, intro.pmk, intro.pmk_len); |
| 4066 | entry->pmk_len = intro.pmk_len; |
| 4067 | entry->akmp = WPA_KEY_MGMT_DPP; |
| 4068 | if (expiry) { |
| 4069 | os_get_time(&now); |
| 4070 | seconds = expiry - now.sec; |
| 4071 | } else { |
| 4072 | seconds = 86400 * 7; |
| 4073 | } |
| 4074 | |
| 4075 | if (wpas_dpp_send_private_peer_intro_update(wpa_s, &intro, ssid, src, |
| 4076 | freq) < 0) { |
| 4077 | os_free(entry); |
| 4078 | goto fail; |
| 4079 | } |
| 4080 | |
| 4081 | os_get_reltime(&rnow); |
| 4082 | entry->expiration = rnow.sec + seconds; |
| 4083 | entry->reauth_time = rnow.sec + seconds; |
| 4084 | entry->network_ctx = ssid; |
| 4085 | wpa_sm_pmksa_cache_add_entry(wpa_s->wpa, entry); |
| 4086 | |
| 4087 | /* Association will be initiated from TX status handler for the Private |
| 4088 | * Peer Intro Update: wpas_dpp_tx_priv_intro_status() */ |
| 4089 | |
| 4090 | fail: |
| 4091 | dpp_peer_intro_deinit(&intro); |
| 4092 | } |
| 4093 | |
| 4094 | #endif /* CONFIG_DPP3 */ |
| 4095 | |
| 4096 | |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 4097 | void wpas_dpp_rx_action(struct wpa_supplicant *wpa_s, const u8 *src, |
| 4098 | const u8 *buf, size_t len, unsigned int freq) |
| 4099 | { |
| 4100 | u8 crypto_suite; |
| 4101 | enum dpp_public_action_frame_type type; |
| 4102 | const u8 *hdr; |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 4103 | unsigned int pkex_t; |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 4104 | |
| 4105 | if (len < DPP_HDR_LEN) |
| 4106 | return; |
| 4107 | if (WPA_GET_BE24(buf) != OUI_WFA || buf[3] != DPP_OUI_TYPE) |
| 4108 | return; |
| 4109 | hdr = buf; |
| 4110 | buf += 4; |
| 4111 | len -= 4; |
| 4112 | crypto_suite = *buf++; |
| 4113 | type = *buf++; |
| 4114 | len -= 2; |
| 4115 | |
| 4116 | wpa_printf(MSG_DEBUG, |
| 4117 | "DPP: Received DPP Public Action frame crypto suite %u type %d from " |
| 4118 | MACSTR " freq=%u", |
| 4119 | crypto_suite, type, MAC2STR(src), freq); |
Sunil Ravi | 89eba10 | 2022-09-13 21:04:37 -0700 | [diff] [blame] | 4120 | #ifdef CONFIG_TESTING_OPTIONS |
| 4121 | if (wpa_s->dpp_discard_public_action && |
| 4122 | type != DPP_PA_PEER_DISCOVERY_RESP && |
| 4123 | type != DPP_PA_PRIV_PEER_INTRO_NOTIFY) { |
| 4124 | wpa_printf(MSG_DEBUG, |
| 4125 | "TESTING: Discard received DPP Public Action frame"); |
| 4126 | return; |
| 4127 | } |
| 4128 | #endif /* CONFIG_TESTING_OPTIONS */ |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 4129 | if (crypto_suite != 1) { |
| 4130 | wpa_printf(MSG_DEBUG, "DPP: Unsupported crypto suite %u", |
| 4131 | crypto_suite); |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 4132 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_RX "src=" MACSTR |
| 4133 | " freq=%u type=%d ignore=unsupported-crypto-suite", |
| 4134 | MAC2STR(src), freq, type); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 4135 | return; |
| 4136 | } |
| 4137 | wpa_hexdump(MSG_MSGDUMP, "DPP: Received message attributes", buf, len); |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 4138 | if (dpp_check_attrs(buf, len) < 0) { |
| 4139 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_RX "src=" MACSTR |
| 4140 | " freq=%u type=%d ignore=invalid-attributes", |
| 4141 | MAC2STR(src), freq, type); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 4142 | return; |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 4143 | } |
| 4144 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_RX "src=" MACSTR " freq=%u type=%d", |
| 4145 | MAC2STR(src), freq, type); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 4146 | |
| 4147 | switch (type) { |
| 4148 | case DPP_PA_AUTHENTICATION_REQ: |
| 4149 | wpas_dpp_rx_auth_req(wpa_s, src, hdr, buf, len, freq); |
| 4150 | break; |
| 4151 | case DPP_PA_AUTHENTICATION_RESP: |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 4152 | wpas_dpp_rx_auth_resp(wpa_s, src, hdr, buf, len, freq); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 4153 | break; |
| 4154 | case DPP_PA_AUTHENTICATION_CONF: |
| 4155 | wpas_dpp_rx_auth_conf(wpa_s, src, hdr, buf, len); |
| 4156 | break; |
| 4157 | case DPP_PA_PEER_DISCOVERY_RESP: |
| 4158 | wpas_dpp_rx_peer_disc_resp(wpa_s, src, buf, len); |
| 4159 | break; |
Hai Shalom | a20dcd7 | 2022-02-04 13:43:00 -0800 | [diff] [blame] | 4160 | #ifdef CONFIG_DPP3 |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 4161 | case DPP_PA_PKEX_EXCHANGE_REQ: |
Hai Shalom | a20dcd7 | 2022-02-04 13:43:00 -0800 | [diff] [blame] | 4162 | /* This is for PKEXv2, but for now, process only with |
| 4163 | * CONFIG_DPP3 to avoid issues with a capability that has not |
| 4164 | * been tested with other implementations. */ |
| 4165 | wpas_dpp_rx_pkex_exchange_req(wpa_s, src, buf, len, freq, true); |
| 4166 | break; |
| 4167 | #endif /* CONFIG_DPP3 */ |
| 4168 | case DPP_PA_PKEX_V1_EXCHANGE_REQ: |
| 4169 | wpas_dpp_rx_pkex_exchange_req(wpa_s, src, buf, len, freq, |
| 4170 | false); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 4171 | break; |
| 4172 | case DPP_PA_PKEX_EXCHANGE_RESP: |
| 4173 | wpas_dpp_rx_pkex_exchange_resp(wpa_s, src, buf, len, freq); |
| 4174 | break; |
| 4175 | case DPP_PA_PKEX_COMMIT_REVEAL_REQ: |
| 4176 | wpas_dpp_rx_pkex_commit_reveal_req(wpa_s, src, hdr, buf, len, |
| 4177 | freq); |
| 4178 | break; |
| 4179 | case DPP_PA_PKEX_COMMIT_REVEAL_RESP: |
| 4180 | wpas_dpp_rx_pkex_commit_reveal_resp(wpa_s, src, hdr, buf, len, |
| 4181 | freq); |
| 4182 | break; |
Hai Shalom | 021b0b5 | 2019-04-10 11:17:58 -0700 | [diff] [blame] | 4183 | #ifdef CONFIG_DPP2 |
| 4184 | case DPP_PA_CONFIGURATION_RESULT: |
| 4185 | wpas_dpp_rx_conf_result(wpa_s, src, hdr, buf, len); |
| 4186 | break; |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 4187 | case DPP_PA_CONNECTION_STATUS_RESULT: |
| 4188 | wpas_dpp_rx_conn_status_result(wpa_s, src, hdr, buf, len); |
| 4189 | break; |
Hai Shalom | fdcde76 | 2020-04-02 11:19:20 -0700 | [diff] [blame] | 4190 | case DPP_PA_PRESENCE_ANNOUNCEMENT: |
| 4191 | wpas_dpp_rx_presence_announcement(wpa_s, src, hdr, buf, len, |
| 4192 | freq); |
| 4193 | break; |
Hai Shalom | 4fbc08f | 2020-05-18 12:37:00 -0700 | [diff] [blame] | 4194 | case DPP_PA_RECONFIG_ANNOUNCEMENT: |
| 4195 | wpas_dpp_rx_reconfig_announcement(wpa_s, src, hdr, buf, len, |
| 4196 | freq); |
| 4197 | break; |
| 4198 | case DPP_PA_RECONFIG_AUTH_REQ: |
| 4199 | wpas_dpp_rx_reconfig_auth_req(wpa_s, src, hdr, buf, len, freq); |
| 4200 | break; |
| 4201 | case DPP_PA_RECONFIG_AUTH_RESP: |
| 4202 | wpas_dpp_rx_reconfig_auth_resp(wpa_s, src, hdr, buf, len, freq); |
| 4203 | break; |
| 4204 | case DPP_PA_RECONFIG_AUTH_CONF: |
| 4205 | wpas_dpp_rx_reconfig_auth_conf(wpa_s, src, hdr, buf, len, freq); |
| 4206 | break; |
Hai Shalom | 021b0b5 | 2019-04-10 11:17:58 -0700 | [diff] [blame] | 4207 | #endif /* CONFIG_DPP2 */ |
Sunil Ravi | 89eba10 | 2022-09-13 21:04:37 -0700 | [diff] [blame] | 4208 | #ifdef CONFIG_DPP3 |
| 4209 | case DPP_PA_PB_PRESENCE_ANNOUNCEMENT: |
| 4210 | wpas_dpp_rx_pb_presence_announcement(wpa_s, src, hdr, |
| 4211 | buf, len, freq); |
| 4212 | break; |
| 4213 | case DPP_PA_PB_PRESENCE_ANNOUNCEMENT_RESP: |
| 4214 | wpas_dpp_rx_pb_presence_announcement_resp(wpa_s, src, hdr, |
| 4215 | buf, len, freq); |
| 4216 | break; |
| 4217 | case DPP_PA_PRIV_PEER_INTRO_NOTIFY: |
| 4218 | wpas_dpp_rx_priv_peer_intro_notify(wpa_s, src, hdr, |
| 4219 | buf, len, freq); |
| 4220 | break; |
| 4221 | #endif /* CONFIG_DPP3 */ |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 4222 | default: |
| 4223 | wpa_printf(MSG_DEBUG, |
| 4224 | "DPP: Ignored unsupported frame subtype %d", type); |
| 4225 | break; |
| 4226 | } |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 4227 | |
| 4228 | if (wpa_s->dpp_pkex) |
| 4229 | pkex_t = wpa_s->dpp_pkex->t; |
| 4230 | else if (wpa_s->dpp_pkex_bi) |
| 4231 | pkex_t = wpa_s->dpp_pkex_bi->pkex_t; |
| 4232 | else |
| 4233 | pkex_t = 0; |
| 4234 | if (pkex_t >= PKEX_COUNTER_T_LIMIT) { |
| 4235 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_PKEX_T_LIMIT "id=0"); |
| 4236 | wpas_dpp_pkex_remove(wpa_s, "*"); |
| 4237 | } |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 4238 | } |
| 4239 | |
| 4240 | |
Hai Shalom | a20dcd7 | 2022-02-04 13:43:00 -0800 | [diff] [blame] | 4241 | static void wpas_dpp_gas_initial_resp_timeout(void *eloop_ctx, |
| 4242 | void *timeout_ctx) |
| 4243 | { |
| 4244 | struct wpa_supplicant *wpa_s = eloop_ctx; |
| 4245 | struct dpp_authentication *auth = wpa_s->dpp_auth; |
| 4246 | |
| 4247 | if (!auth || !auth->waiting_config || !auth->config_resp_ctx) |
| 4248 | return; |
| 4249 | |
| 4250 | wpa_printf(MSG_DEBUG, |
| 4251 | "DPP: No configuration available from upper layers - send initial response with comeback delay"); |
| 4252 | gas_server_set_comeback_delay(wpa_s->gas_server, auth->config_resp_ctx, |
| 4253 | 500); |
| 4254 | } |
| 4255 | |
| 4256 | |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 4257 | static struct wpabuf * |
Hai Shalom | 899fcc7 | 2020-10-19 14:38:18 -0700 | [diff] [blame] | 4258 | wpas_dpp_gas_req_handler(void *ctx, void *resp_ctx, const u8 *sa, |
Hai Shalom | a20dcd7 | 2022-02-04 13:43:00 -0800 | [diff] [blame] | 4259 | const u8 *query, size_t query_len, int *comeback_delay) |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 4260 | { |
| 4261 | struct wpa_supplicant *wpa_s = ctx; |
| 4262 | struct dpp_authentication *auth = wpa_s->dpp_auth; |
| 4263 | struct wpabuf *resp; |
| 4264 | |
| 4265 | wpa_printf(MSG_DEBUG, "DPP: GAS request from " MACSTR, |
| 4266 | MAC2STR(sa)); |
Hai Shalom | 4fbc08f | 2020-05-18 12:37:00 -0700 | [diff] [blame] | 4267 | if (!auth || (!auth->auth_success && !auth->reconfig_success) || |
Sunil Ravi | b0ac25f | 2024-07-12 01:42:03 +0000 | [diff] [blame] | 4268 | !ether_addr_equal(sa, auth->peer_mac_addr)) { |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 4269 | wpa_printf(MSG_DEBUG, "DPP: No matching exchange in progress"); |
| 4270 | return NULL; |
| 4271 | } |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 4272 | |
| 4273 | if (wpa_s->dpp_auth_ok_on_ack && auth->configurator) { |
| 4274 | wpa_printf(MSG_DEBUG, |
| 4275 | "DPP: Have not received ACK for Auth Confirm yet - assume it was received based on this GAS request"); |
| 4276 | /* wpas_dpp_auth_success() would normally have been called from |
| 4277 | * TX status handler, but since there was no such handler call |
| 4278 | * yet, simply send out the event message and proceed with |
| 4279 | * exchange. */ |
Sunil Ravi | 38ad1ed | 2023-01-17 23:58:31 +0000 | [diff] [blame] | 4280 | dpp_notify_auth_success(auth, 1); |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 4281 | wpa_s->dpp_auth_ok_on_ack = 0; |
Sunil Ravi | b0ac25f | 2024-07-12 01:42:03 +0000 | [diff] [blame] | 4282 | #ifdef CONFIG_TESTING_OPTIONS |
| 4283 | if (dpp_test == DPP_TEST_STOP_AT_AUTH_CONF) { |
| 4284 | wpa_printf(MSG_INFO, |
| 4285 | "DPP: TESTING - stop at Authentication Confirm"); |
| 4286 | return NULL; |
| 4287 | } |
| 4288 | #endif /* CONFIG_TESTING_OPTIONS */ |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 4289 | } |
| 4290 | |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 4291 | wpa_hexdump(MSG_DEBUG, |
| 4292 | "DPP: Received Configuration Request (GAS Query Request)", |
| 4293 | query, query_len); |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 4294 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_CONF_REQ_RX "src=" MACSTR, |
| 4295 | MAC2STR(sa)); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 4296 | resp = dpp_conf_req_rx(auth, query, query_len); |
Hai Shalom | 899fcc7 | 2020-10-19 14:38:18 -0700 | [diff] [blame] | 4297 | |
Hai Shalom | a20dcd7 | 2022-02-04 13:43:00 -0800 | [diff] [blame] | 4298 | auth->gas_server_ctx = resp_ctx; |
| 4299 | |
Hai Shalom | 899fcc7 | 2020-10-19 14:38:18 -0700 | [diff] [blame] | 4300 | #ifdef CONFIG_DPP2 |
| 4301 | if (!resp && auth->waiting_cert) { |
| 4302 | wpa_printf(MSG_DEBUG, "DPP: Certificate not yet ready"); |
Hai Shalom | a20dcd7 | 2022-02-04 13:43:00 -0800 | [diff] [blame] | 4303 | auth->config_resp_ctx = resp_ctx; |
Hai Shalom | 899fcc7 | 2020-10-19 14:38:18 -0700 | [diff] [blame] | 4304 | *comeback_delay = 500; |
| 4305 | return NULL; |
| 4306 | } |
| 4307 | #endif /* CONFIG_DPP2 */ |
| 4308 | |
Hai Shalom | a20dcd7 | 2022-02-04 13:43:00 -0800 | [diff] [blame] | 4309 | if (!resp && auth->waiting_config && |
| 4310 | (auth->peer_bi || auth->tmp_peer_bi)) { |
| 4311 | char *buf = NULL, *name = ""; |
| 4312 | char band[200], *pos, *end; |
| 4313 | int i, res, *opclass = auth->e_band_support; |
| 4314 | char *mud_url = "N/A"; |
| 4315 | |
| 4316 | wpa_printf(MSG_DEBUG, "DPP: Configuration not yet ready"); |
| 4317 | auth->config_resp_ctx = resp_ctx; |
| 4318 | *comeback_delay = -1; |
| 4319 | if (auth->e_name) { |
| 4320 | size_t len = os_strlen(auth->e_name); |
| 4321 | |
| 4322 | buf = os_malloc(len * 4 + 1); |
| 4323 | if (buf) { |
| 4324 | printf_encode(buf, len * 4 + 1, |
| 4325 | (const u8 *) auth->e_name, len); |
| 4326 | name = buf; |
| 4327 | } |
| 4328 | } |
| 4329 | band[0] = '\0'; |
| 4330 | pos = band; |
| 4331 | end = band + sizeof(band); |
| 4332 | for (i = 0; opclass && opclass[i]; i++) { |
| 4333 | res = os_snprintf(pos, end - pos, "%s%d", |
| 4334 | pos == band ? "" : ",", opclass[i]); |
| 4335 | if (os_snprintf_error(end - pos, res)) { |
| 4336 | *pos = '\0'; |
| 4337 | break; |
| 4338 | } |
| 4339 | pos += res; |
| 4340 | } |
| 4341 | if (auth->e_mud_url) { |
| 4342 | size_t len = os_strlen(auth->e_mud_url); |
| 4343 | |
| 4344 | if (!has_ctrl_char((const u8 *) auth->e_mud_url, len)) |
| 4345 | mud_url = auth->e_mud_url; |
| 4346 | } |
| 4347 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_CONF_NEEDED "peer=%d src=" |
| 4348 | MACSTR " net_role=%s name=\"%s\" opclass=%s mud_url=%s", |
| 4349 | auth->peer_bi ? auth->peer_bi->id : |
| 4350 | auth->tmp_peer_bi->id, MAC2STR(sa), |
| 4351 | dpp_netrole_str(auth->e_netrole), name, band, mud_url); |
| 4352 | os_free(buf); |
| 4353 | |
| 4354 | eloop_cancel_timeout(wpas_dpp_gas_initial_resp_timeout, wpa_s, |
| 4355 | NULL); |
| 4356 | eloop_register_timeout(0, 50000, |
| 4357 | wpas_dpp_gas_initial_resp_timeout, wpa_s, |
| 4358 | NULL); |
| 4359 | return NULL; |
| 4360 | } |
| 4361 | |
Sunil Ravi | a04bd25 | 2022-05-02 22:54:18 -0700 | [diff] [blame] | 4362 | auth->conf_resp = resp; |
Hai Shalom | 5953285 | 2018-12-07 10:32:58 -0800 | [diff] [blame] | 4363 | if (!resp) { |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 4364 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_CONF_FAILED); |
Hai Shalom | 706f99b | 2019-01-08 16:23:37 -0800 | [diff] [blame] | 4365 | wpas_notify_dpp_configuration_failure(wpa_s); |
Sunil Ravi | a04bd25 | 2022-05-02 22:54:18 -0700 | [diff] [blame] | 4366 | dpp_auth_deinit(wpa_s->dpp_auth); |
| 4367 | wpa_s->dpp_auth = NULL; |
Hai Shalom | 5953285 | 2018-12-07 10:32:58 -0800 | [diff] [blame] | 4368 | } |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 4369 | return resp; |
| 4370 | } |
| 4371 | |
| 4372 | |
| 4373 | static void |
| 4374 | wpas_dpp_gas_status_handler(void *ctx, struct wpabuf *resp, int ok) |
| 4375 | { |
| 4376 | struct wpa_supplicant *wpa_s = ctx; |
| 4377 | struct dpp_authentication *auth = wpa_s->dpp_auth; |
| 4378 | |
| 4379 | if (!auth) { |
| 4380 | wpabuf_free(resp); |
| 4381 | return; |
| 4382 | } |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 4383 | if (auth->conf_resp != resp) { |
| 4384 | wpa_printf(MSG_DEBUG, |
| 4385 | "DPP: Ignore GAS status report (ok=%d) for unknown response", |
| 4386 | ok); |
| 4387 | wpabuf_free(resp); |
| 4388 | return; |
| 4389 | } |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 4390 | |
Hai Shalom | 899fcc7 | 2020-10-19 14:38:18 -0700 | [diff] [blame] | 4391 | #ifdef CONFIG_DPP2 |
| 4392 | if (auth->waiting_csr && ok) { |
| 4393 | wpa_printf(MSG_DEBUG, "DPP: Waiting for CSR"); |
| 4394 | wpabuf_free(resp); |
| 4395 | return; |
| 4396 | } |
| 4397 | #endif /* CONFIG_DPP2 */ |
| 4398 | |
Sunil Ravi | a04bd25 | 2022-05-02 22:54:18 -0700 | [diff] [blame] | 4399 | #ifdef CONFIG_DPP3 |
| 4400 | if (auth->waiting_new_key && ok) { |
| 4401 | wpa_printf(MSG_DEBUG, "DPP: Waiting for a new key"); |
| 4402 | wpabuf_free(resp); |
| 4403 | return; |
| 4404 | } |
| 4405 | #endif /* CONFIG_DPP3 */ |
| 4406 | |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 4407 | wpa_printf(MSG_DEBUG, "DPP: Configuration exchange completed (ok=%d)", |
| 4408 | ok); |
| 4409 | eloop_cancel_timeout(wpas_dpp_reply_wait_timeout, wpa_s, NULL); |
Hai Shalom | 6084025 | 2021-02-19 19:02:11 -0800 | [diff] [blame] | 4410 | eloop_cancel_timeout(wpas_dpp_auth_conf_wait_timeout, wpa_s, NULL); |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 4411 | eloop_cancel_timeout(wpas_dpp_auth_resp_retry_timeout, wpa_s, NULL); |
Hai Shalom | 021b0b5 | 2019-04-10 11:17:58 -0700 | [diff] [blame] | 4412 | #ifdef CONFIG_DPP2 |
| 4413 | if (ok && auth->peer_version >= 2 && |
Hai Shalom | 6084025 | 2021-02-19 19:02:11 -0800 | [diff] [blame] | 4414 | auth->conf_resp_status == DPP_STATUS_OK && |
| 4415 | !auth->waiting_conf_result) { |
Hai Shalom | 021b0b5 | 2019-04-10 11:17:58 -0700 | [diff] [blame] | 4416 | wpa_printf(MSG_DEBUG, "DPP: Wait for Configuration Result"); |
Hai Shalom | 0676811 | 2019-12-04 15:49:43 -0800 | [diff] [blame] | 4417 | wpas_notify_dpp_config_sent_wait_response(wpa_s); |
Hai Shalom | 021b0b5 | 2019-04-10 11:17:58 -0700 | [diff] [blame] | 4418 | auth->waiting_conf_result = 1; |
| 4419 | auth->conf_resp = NULL; |
| 4420 | wpabuf_free(resp); |
| 4421 | eloop_cancel_timeout(wpas_dpp_config_result_wait_timeout, |
| 4422 | wpa_s, NULL); |
| 4423 | eloop_register_timeout(2, 0, |
| 4424 | wpas_dpp_config_result_wait_timeout, |
| 4425 | wpa_s, NULL); |
| 4426 | return; |
| 4427 | } |
| 4428 | #endif /* CONFIG_DPP2 */ |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 4429 | offchannel_send_action_done(wpa_s); |
| 4430 | wpas_dpp_listen_stop(wpa_s); |
Hai Shalom | 5953285 | 2018-12-07 10:32:58 -0800 | [diff] [blame] | 4431 | if (ok) { |
Sunil Ravi | 89eba10 | 2022-09-13 21:04:37 -0700 | [diff] [blame] | 4432 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_CONF_SENT "conf_status=%d", |
| 4433 | auth->conf_resp_status); |
Hai Shalom | 706f99b | 2019-01-08 16:23:37 -0800 | [diff] [blame] | 4434 | wpas_notify_dpp_config_sent(wpa_s); |
Hai Shalom | 5953285 | 2018-12-07 10:32:58 -0800 | [diff] [blame] | 4435 | } |
| 4436 | else { |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 4437 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_CONF_FAILED); |
Hai Shalom | 706f99b | 2019-01-08 16:23:37 -0800 | [diff] [blame] | 4438 | wpas_notify_dpp_configuration_failure(wpa_s); |
Hai Shalom | 5953285 | 2018-12-07 10:32:58 -0800 | [diff] [blame] | 4439 | } |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 4440 | dpp_auth_deinit(wpa_s->dpp_auth); |
| 4441 | wpa_s->dpp_auth = NULL; |
| 4442 | wpabuf_free(resp); |
Sunil Ravi | 89eba10 | 2022-09-13 21:04:37 -0700 | [diff] [blame] | 4443 | #ifdef CONFIG_DPP3 |
| 4444 | if (!wpa_s->dpp_pb_result_indicated && wpas_dpp_pb_active(wpa_s)) { |
| 4445 | if (ok) |
| 4446 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_PB_RESULT |
| 4447 | "success"); |
| 4448 | else |
| 4449 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_PB_RESULT |
| 4450 | "could-not-connect"); |
| 4451 | wpa_s->dpp_pb_result_indicated = true; |
| 4452 | if (ok) |
| 4453 | wpas_dpp_remove_pb_hash(wpa_s); |
| 4454 | wpas_dpp_push_button_stop(wpa_s); |
| 4455 | } |
| 4456 | #endif /* CONFIG_DPP3 */ |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 4457 | } |
| 4458 | |
| 4459 | |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 4460 | int wpas_dpp_configurator_sign(struct wpa_supplicant *wpa_s, const char *cmd) |
| 4461 | { |
| 4462 | struct dpp_authentication *auth; |
| 4463 | int ret = -1; |
| 4464 | char *curve = NULL; |
| 4465 | |
Hai Shalom | fdcde76 | 2020-04-02 11:19:20 -0700 | [diff] [blame] | 4466 | auth = dpp_alloc_auth(wpa_s->dpp, wpa_s); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 4467 | if (!auth) |
| 4468 | return -1; |
| 4469 | |
| 4470 | curve = get_param(cmd, " curve="); |
Hai Shalom | 74f70d4 | 2019-02-11 14:42:39 -0800 | [diff] [blame] | 4471 | wpas_dpp_set_testing_options(wpa_s, auth); |
Hai Shalom | fdcde76 | 2020-04-02 11:19:20 -0700 | [diff] [blame] | 4472 | if (dpp_set_configurator(auth, cmd) == 0 && |
Hai Shalom | 021b0b5 | 2019-04-10 11:17:58 -0700 | [diff] [blame] | 4473 | dpp_configurator_own_config(auth, curve, 0) == 0) |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 4474 | ret = wpas_dpp_handle_config_obj(wpa_s, auth, |
| 4475 | &auth->conf_obj[0]); |
| 4476 | if (!ret) |
| 4477 | wpas_dpp_post_process_config(wpa_s, auth); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 4478 | |
| 4479 | dpp_auth_deinit(auth); |
| 4480 | os_free(curve); |
| 4481 | |
| 4482 | return ret; |
| 4483 | } |
| 4484 | |
| 4485 | |
| 4486 | static void |
| 4487 | wpas_dpp_tx_introduction_status(struct wpa_supplicant *wpa_s, |
| 4488 | unsigned int freq, const u8 *dst, |
| 4489 | const u8 *src, const u8 *bssid, |
| 4490 | const u8 *data, size_t data_len, |
| 4491 | enum offchannel_send_action_result result) |
| 4492 | { |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 4493 | const char *res_txt; |
| 4494 | |
| 4495 | res_txt = result == OFFCHANNEL_SEND_ACTION_SUCCESS ? "SUCCESS" : |
| 4496 | (result == OFFCHANNEL_SEND_ACTION_NO_ACK ? "no-ACK" : |
| 4497 | "FAILED"); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 4498 | wpa_printf(MSG_DEBUG, "DPP: TX status: freq=%u dst=" MACSTR |
| 4499 | " result=%s (DPP Peer Discovery Request)", |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 4500 | freq, MAC2STR(dst), res_txt); |
| 4501 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_TX_STATUS "dst=" MACSTR |
| 4502 | " freq=%u result=%s", MAC2STR(dst), freq, res_txt); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 4503 | /* TODO: Time out wait for response more quickly in error cases? */ |
| 4504 | } |
| 4505 | |
| 4506 | |
Sunil Ravi | 89eba10 | 2022-09-13 21:04:37 -0700 | [diff] [blame] | 4507 | #ifdef CONFIG_DPP3 |
| 4508 | static int wpas_dpp_start_private_peer_intro(struct wpa_supplicant *wpa_s, |
| 4509 | struct wpa_ssid *ssid, |
| 4510 | struct wpa_bss *bss) |
| 4511 | { |
| 4512 | struct wpabuf *msg; |
| 4513 | unsigned int wait_time; |
| 4514 | size_t len; |
| 4515 | u8 ver = DPP_VERSION; |
| 4516 | int conn_ver; |
| 4517 | |
| 4518 | len = 5 + 5; |
| 4519 | msg = dpp_alloc_msg(DPP_PA_PRIV_PEER_INTRO_QUERY, len); |
| 4520 | if (!msg) |
| 4521 | return -1; |
| 4522 | |
| 4523 | /* Transaction ID */ |
| 4524 | wpabuf_put_le16(msg, DPP_ATTR_TRANSACTION_ID); |
| 4525 | wpabuf_put_le16(msg, 1); |
| 4526 | wpabuf_put_u8(msg, TRANSACTION_ID); |
| 4527 | |
| 4528 | conn_ver = dpp_get_connector_version(ssid->dpp_connector); |
| 4529 | if (conn_ver > 0 && ver != conn_ver) { |
| 4530 | wpa_printf(MSG_DEBUG, |
| 4531 | "DPP: Use Connector version %d instead of current protocol version %d", |
| 4532 | conn_ver, ver); |
| 4533 | ver = conn_ver; |
| 4534 | } |
| 4535 | |
| 4536 | /* Protocol Version */ |
| 4537 | wpabuf_put_le16(msg, DPP_ATTR_PROTOCOL_VERSION); |
| 4538 | wpabuf_put_le16(msg, 1); |
| 4539 | wpabuf_put_u8(msg, ver); |
| 4540 | |
| 4541 | wpa_hexdump_buf(MSG_MSGDUMP, "DPP: Private Peer Intro Query", msg); |
| 4542 | |
| 4543 | /* TODO: Timeout on AP response */ |
| 4544 | wait_time = wpa_s->max_remain_on_chan; |
| 4545 | if (wait_time > 2000) |
| 4546 | wait_time = 2000; |
| 4547 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_TX "dst=" MACSTR " freq=%u type=%d", |
| 4548 | MAC2STR(bss->bssid), bss->freq, DPP_PA_PRIV_PEER_INTRO_QUERY); |
| 4549 | offchannel_send_action(wpa_s, bss->freq, bss->bssid, wpa_s->own_addr, |
| 4550 | broadcast, |
| 4551 | wpabuf_head(msg), wpabuf_len(msg), |
| 4552 | wait_time, wpas_dpp_tx_introduction_status, 0); |
| 4553 | wpabuf_free(msg); |
| 4554 | |
| 4555 | /* Request this connection attempt to terminate - new one will be |
| 4556 | * started when network introduction protocol completes */ |
| 4557 | os_memcpy(wpa_s->dpp_intro_bssid, bss->bssid, ETH_ALEN); |
| 4558 | wpa_s->dpp_intro_network = ssid; |
| 4559 | return 1; |
| 4560 | } |
| 4561 | #endif /* CONFIG_DPP3 */ |
| 4562 | |
| 4563 | |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 4564 | int wpas_dpp_check_connect(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid, |
| 4565 | struct wpa_bss *bss) |
| 4566 | { |
| 4567 | struct os_time now; |
| 4568 | struct wpabuf *msg; |
| 4569 | unsigned int wait_time; |
Hai Shalom | 021b0b5 | 2019-04-10 11:17:58 -0700 | [diff] [blame] | 4570 | const u8 *rsn; |
| 4571 | struct wpa_ie_data ied; |
Hai Shalom | 4fbc08f | 2020-05-18 12:37:00 -0700 | [diff] [blame] | 4572 | size_t len; |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 4573 | |
| 4574 | if (!(ssid->key_mgmt & WPA_KEY_MGMT_DPP) || !bss) |
| 4575 | return 0; /* Not using DPP AKM - continue */ |
Sunil Ravi | 7f76929 | 2024-07-23 22:21:32 +0000 | [diff] [blame] | 4576 | rsn = wpa_bss_get_rsne(wpa_s, bss, ssid, false); |
Hai Shalom | 021b0b5 | 2019-04-10 11:17:58 -0700 | [diff] [blame] | 4577 | if (rsn && wpa_parse_wpa_ie(rsn, 2 + rsn[1], &ied) == 0 && |
| 4578 | !(ied.key_mgmt & WPA_KEY_MGMT_DPP)) |
| 4579 | return 0; /* AP does not support DPP AKM - continue */ |
Sunil Ravi | 38ad1ed | 2023-01-17 23:58:31 +0000 | [diff] [blame] | 4580 | if (wpa_sm_pmksa_exists(wpa_s->wpa, bss->bssid, wpa_s->own_addr, ssid)) |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 4581 | return 0; /* PMKSA exists for DPP AKM - continue */ |
| 4582 | |
| 4583 | if (!ssid->dpp_connector || !ssid->dpp_netaccesskey || |
| 4584 | !ssid->dpp_csign) { |
| 4585 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_MISSING_CONNECTOR |
| 4586 | "missing %s", |
| 4587 | !ssid->dpp_connector ? "Connector" : |
| 4588 | (!ssid->dpp_netaccesskey ? "netAccessKey" : |
| 4589 | "C-sign-key")); |
| 4590 | return -1; |
| 4591 | } |
| 4592 | |
| 4593 | os_get_time(&now); |
| 4594 | |
| 4595 | if (ssid->dpp_netaccesskey_expiry && |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 4596 | (os_time_t) ssid->dpp_netaccesskey_expiry < now.sec) { |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 4597 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_MISSING_CONNECTOR |
| 4598 | "netAccessKey expired"); |
| 4599 | return -1; |
| 4600 | } |
| 4601 | |
| 4602 | wpa_printf(MSG_DEBUG, |
Sunil Ravi | 89eba10 | 2022-09-13 21:04:37 -0700 | [diff] [blame] | 4603 | "DPP: Starting %snetwork introduction protocol to derive PMKSA for " |
| 4604 | MACSTR, |
| 4605 | ssid->dpp_connector_privacy ? "private " : "", |
| 4606 | MAC2STR(bss->bssid)); |
Sunil Ravi | a04bd25 | 2022-05-02 22:54:18 -0700 | [diff] [blame] | 4607 | if (wpa_s->wpa_state == WPA_SCANNING) |
| 4608 | wpa_supplicant_set_state(wpa_s, wpa_s->scan_prev_wpa_state); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 4609 | |
Sunil Ravi | 89eba10 | 2022-09-13 21:04:37 -0700 | [diff] [blame] | 4610 | #ifdef CONFIG_DPP3 |
| 4611 | if (ssid->dpp_connector_privacy) |
| 4612 | return wpas_dpp_start_private_peer_intro(wpa_s, ssid, bss); |
| 4613 | #endif /* CONFIG_DPP3 */ |
| 4614 | |
Hai Shalom | 4fbc08f | 2020-05-18 12:37:00 -0700 | [diff] [blame] | 4615 | len = 5 + 4 + os_strlen(ssid->dpp_connector); |
| 4616 | #ifdef CONFIG_DPP2 |
| 4617 | len += 5; |
| 4618 | #endif /* CONFIG_DPP2 */ |
| 4619 | msg = dpp_alloc_msg(DPP_PA_PEER_DISCOVERY_REQ, len); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 4620 | if (!msg) |
| 4621 | return -1; |
| 4622 | |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 4623 | #ifdef CONFIG_TESTING_OPTIONS |
| 4624 | if (dpp_test == DPP_TEST_NO_TRANSACTION_ID_PEER_DISC_REQ) { |
| 4625 | wpa_printf(MSG_INFO, "DPP: TESTING - no Transaction ID"); |
| 4626 | goto skip_trans_id; |
| 4627 | } |
| 4628 | if (dpp_test == DPP_TEST_INVALID_TRANSACTION_ID_PEER_DISC_REQ) { |
| 4629 | wpa_printf(MSG_INFO, "DPP: TESTING - invalid Transaction ID"); |
| 4630 | wpabuf_put_le16(msg, DPP_ATTR_TRANSACTION_ID); |
| 4631 | wpabuf_put_le16(msg, 0); |
| 4632 | goto skip_trans_id; |
| 4633 | } |
| 4634 | #endif /* CONFIG_TESTING_OPTIONS */ |
| 4635 | |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 4636 | /* Transaction ID */ |
| 4637 | wpabuf_put_le16(msg, DPP_ATTR_TRANSACTION_ID); |
| 4638 | wpabuf_put_le16(msg, 1); |
| 4639 | wpabuf_put_u8(msg, TRANSACTION_ID); |
| 4640 | |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 4641 | #ifdef CONFIG_TESTING_OPTIONS |
| 4642 | skip_trans_id: |
| 4643 | if (dpp_test == DPP_TEST_NO_CONNECTOR_PEER_DISC_REQ) { |
| 4644 | wpa_printf(MSG_INFO, "DPP: TESTING - no Connector"); |
| 4645 | goto skip_connector; |
| 4646 | } |
| 4647 | if (dpp_test == DPP_TEST_INVALID_CONNECTOR_PEER_DISC_REQ) { |
| 4648 | char *connector; |
| 4649 | |
| 4650 | wpa_printf(MSG_INFO, "DPP: TESTING - invalid Connector"); |
| 4651 | connector = dpp_corrupt_connector_signature( |
| 4652 | ssid->dpp_connector); |
| 4653 | if (!connector) { |
| 4654 | wpabuf_free(msg); |
| 4655 | return -1; |
| 4656 | } |
| 4657 | wpabuf_put_le16(msg, DPP_ATTR_CONNECTOR); |
| 4658 | wpabuf_put_le16(msg, os_strlen(connector)); |
| 4659 | wpabuf_put_str(msg, connector); |
| 4660 | os_free(connector); |
| 4661 | goto skip_connector; |
| 4662 | } |
| 4663 | #endif /* CONFIG_TESTING_OPTIONS */ |
| 4664 | |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 4665 | /* DPP Connector */ |
| 4666 | wpabuf_put_le16(msg, DPP_ATTR_CONNECTOR); |
| 4667 | wpabuf_put_le16(msg, os_strlen(ssid->dpp_connector)); |
| 4668 | wpabuf_put_str(msg, ssid->dpp_connector); |
| 4669 | |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 4670 | #ifdef CONFIG_TESTING_OPTIONS |
| 4671 | skip_connector: |
Hai Shalom | a20dcd7 | 2022-02-04 13:43:00 -0800 | [diff] [blame] | 4672 | if (dpp_test == DPP_TEST_NO_PROTOCOL_VERSION_PEER_DISC_REQ) { |
| 4673 | wpa_printf(MSG_INFO, "DPP: TESTING - no Protocol Version"); |
| 4674 | goto skip_proto_ver; |
| 4675 | } |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 4676 | #endif /* CONFIG_TESTING_OPTIONS */ |
| 4677 | |
Hai Shalom | 4fbc08f | 2020-05-18 12:37:00 -0700 | [diff] [blame] | 4678 | #ifdef CONFIG_DPP2 |
| 4679 | if (DPP_VERSION > 1) { |
Hai Shalom | a20dcd7 | 2022-02-04 13:43:00 -0800 | [diff] [blame] | 4680 | u8 ver = DPP_VERSION; |
| 4681 | #ifdef CONFIG_DPP3 |
| 4682 | int conn_ver; |
| 4683 | |
| 4684 | conn_ver = dpp_get_connector_version(ssid->dpp_connector); |
| 4685 | if (conn_ver > 0 && ver != conn_ver) { |
| 4686 | wpa_printf(MSG_DEBUG, |
| 4687 | "DPP: Use Connector version %d instead of current protocol version %d", |
| 4688 | conn_ver, ver); |
| 4689 | ver = conn_ver; |
| 4690 | } |
| 4691 | #endif /* CONFIG_DPP3 */ |
| 4692 | |
| 4693 | #ifdef CONFIG_TESTING_OPTIONS |
| 4694 | if (dpp_test == DPP_TEST_INVALID_PROTOCOL_VERSION_PEER_DISC_REQ) { |
| 4695 | wpa_printf(MSG_INFO, "DPP: TESTING - invalid Protocol Version"); |
| 4696 | ver = 1; |
| 4697 | } |
| 4698 | #endif /* CONFIG_TESTING_OPTIONS */ |
| 4699 | |
Hai Shalom | 4fbc08f | 2020-05-18 12:37:00 -0700 | [diff] [blame] | 4700 | /* Protocol Version */ |
| 4701 | wpabuf_put_le16(msg, DPP_ATTR_PROTOCOL_VERSION); |
| 4702 | wpabuf_put_le16(msg, 1); |
Hai Shalom | a20dcd7 | 2022-02-04 13:43:00 -0800 | [diff] [blame] | 4703 | wpabuf_put_u8(msg, ver); |
Hai Shalom | 4fbc08f | 2020-05-18 12:37:00 -0700 | [diff] [blame] | 4704 | } |
| 4705 | #endif /* CONFIG_DPP2 */ |
| 4706 | |
Hai Shalom | a20dcd7 | 2022-02-04 13:43:00 -0800 | [diff] [blame] | 4707 | #ifdef CONFIG_TESTING_OPTIONS |
| 4708 | skip_proto_ver: |
| 4709 | #endif /* CONFIG_TESTING_OPTIONS */ |
| 4710 | |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 4711 | /* TODO: Timeout on AP response */ |
| 4712 | wait_time = wpa_s->max_remain_on_chan; |
| 4713 | if (wait_time > 2000) |
| 4714 | wait_time = 2000; |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 4715 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_TX "dst=" MACSTR " freq=%u type=%d", |
| 4716 | MAC2STR(bss->bssid), bss->freq, DPP_PA_PEER_DISCOVERY_REQ); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 4717 | offchannel_send_action(wpa_s, bss->freq, bss->bssid, wpa_s->own_addr, |
| 4718 | broadcast, |
| 4719 | wpabuf_head(msg), wpabuf_len(msg), |
| 4720 | wait_time, wpas_dpp_tx_introduction_status, 0); |
| 4721 | wpabuf_free(msg); |
| 4722 | |
| 4723 | /* Request this connection attempt to terminate - new one will be |
| 4724 | * started when network introduction protocol completes */ |
| 4725 | os_memcpy(wpa_s->dpp_intro_bssid, bss->bssid, ETH_ALEN); |
| 4726 | wpa_s->dpp_intro_network = ssid; |
| 4727 | return 1; |
| 4728 | } |
| 4729 | |
| 4730 | |
| 4731 | int wpas_dpp_pkex_add(struct wpa_supplicant *wpa_s, const char *cmd) |
| 4732 | { |
| 4733 | struct dpp_bootstrap_info *own_bi; |
| 4734 | const char *pos, *end; |
Sunil Ravi | a04bd25 | 2022-05-02 22:54:18 -0700 | [diff] [blame] | 4735 | #ifdef CONFIG_DPP3 |
| 4736 | enum dpp_pkex_ver ver = PKEX_VER_AUTO; |
| 4737 | #else /* CONFIG_DPP3 */ |
| 4738 | enum dpp_pkex_ver ver = PKEX_VER_ONLY_1; |
| 4739 | #endif /* CONFIG_DPP3 */ |
Hai Shalom | a20dcd7 | 2022-02-04 13:43:00 -0800 | [diff] [blame] | 4740 | int tcp_port = DPP_TCP_PORT; |
| 4741 | struct hostapd_ip_addr *ipaddr = NULL; |
| 4742 | #ifdef CONFIG_DPP2 |
| 4743 | struct hostapd_ip_addr ipaddr_buf; |
| 4744 | char *addr; |
| 4745 | |
| 4746 | pos = os_strstr(cmd, " tcp_port="); |
| 4747 | if (pos) { |
| 4748 | pos += 10; |
| 4749 | tcp_port = atoi(pos); |
| 4750 | } |
| 4751 | |
| 4752 | addr = get_param(cmd, " tcp_addr="); |
| 4753 | if (addr) { |
| 4754 | int res; |
| 4755 | |
| 4756 | res = hostapd_parse_ip_addr(addr, &ipaddr_buf); |
| 4757 | os_free(addr); |
| 4758 | if (res) |
| 4759 | return -1; |
| 4760 | ipaddr = &ipaddr_buf; |
| 4761 | } |
| 4762 | #endif /* CONFIG_DPP2 */ |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 4763 | |
| 4764 | pos = os_strstr(cmd, " own="); |
| 4765 | if (!pos) |
| 4766 | return -1; |
| 4767 | pos += 5; |
Hai Shalom | 021b0b5 | 2019-04-10 11:17:58 -0700 | [diff] [blame] | 4768 | own_bi = dpp_bootstrap_get_id(wpa_s->dpp, atoi(pos)); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 4769 | if (!own_bi) { |
| 4770 | wpa_printf(MSG_DEBUG, |
| 4771 | "DPP: Identified bootstrap info not found"); |
| 4772 | return -1; |
| 4773 | } |
| 4774 | if (own_bi->type != DPP_BOOTSTRAP_PKEX) { |
| 4775 | wpa_printf(MSG_DEBUG, |
| 4776 | "DPP: Identified bootstrap info not for PKEX"); |
| 4777 | return -1; |
| 4778 | } |
| 4779 | wpa_s->dpp_pkex_bi = own_bi; |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 4780 | own_bi->pkex_t = 0; /* clear pending errors on new code */ |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 4781 | |
| 4782 | os_free(wpa_s->dpp_pkex_identifier); |
| 4783 | wpa_s->dpp_pkex_identifier = NULL; |
| 4784 | pos = os_strstr(cmd, " identifier="); |
| 4785 | if (pos) { |
| 4786 | pos += 12; |
| 4787 | end = os_strchr(pos, ' '); |
| 4788 | if (!end) |
| 4789 | return -1; |
| 4790 | wpa_s->dpp_pkex_identifier = os_malloc(end - pos + 1); |
| 4791 | if (!wpa_s->dpp_pkex_identifier) |
| 4792 | return -1; |
| 4793 | os_memcpy(wpa_s->dpp_pkex_identifier, pos, end - pos); |
| 4794 | wpa_s->dpp_pkex_identifier[end - pos] = '\0'; |
| 4795 | } |
| 4796 | |
| 4797 | pos = os_strstr(cmd, " code="); |
| 4798 | if (!pos) |
| 4799 | return -1; |
| 4800 | os_free(wpa_s->dpp_pkex_code); |
| 4801 | wpa_s->dpp_pkex_code = os_strdup(pos + 6); |
| 4802 | if (!wpa_s->dpp_pkex_code) |
| 4803 | return -1; |
Sunil Ravi | 89eba10 | 2022-09-13 21:04:37 -0700 | [diff] [blame] | 4804 | wpa_s->dpp_pkex_code_len = os_strlen(wpa_s->dpp_pkex_code); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 4805 | |
Sunil Ravi | a04bd25 | 2022-05-02 22:54:18 -0700 | [diff] [blame] | 4806 | pos = os_strstr(cmd, " ver="); |
| 4807 | if (pos) { |
| 4808 | int v; |
| 4809 | |
| 4810 | pos += 5; |
| 4811 | v = atoi(pos); |
| 4812 | if (v == 1) |
| 4813 | ver = PKEX_VER_ONLY_1; |
| 4814 | else if (v == 2) |
| 4815 | ver = PKEX_VER_ONLY_2; |
| 4816 | else |
| 4817 | return -1; |
| 4818 | } |
| 4819 | wpa_s->dpp_pkex_ver = ver; |
| 4820 | |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 4821 | if (os_strstr(cmd, " init=1")) { |
Hai Shalom | a20dcd7 | 2022-02-04 13:43:00 -0800 | [diff] [blame] | 4822 | if (wpas_dpp_pkex_init(wpa_s, ver, ipaddr, tcp_port) < 0) |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 4823 | return -1; |
Hai Shalom | a20dcd7 | 2022-02-04 13:43:00 -0800 | [diff] [blame] | 4824 | } else { |
| 4825 | #ifdef CONFIG_DPP2 |
| 4826 | dpp_controller_pkex_add(wpa_s->dpp, own_bi, |
| 4827 | wpa_s->dpp_pkex_code, |
| 4828 | wpa_s->dpp_pkex_identifier); |
| 4829 | #endif /* CONFIG_DPP2 */ |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 4830 | } |
| 4831 | |
| 4832 | /* TODO: Support multiple PKEX info entries */ |
| 4833 | |
| 4834 | os_free(wpa_s->dpp_pkex_auth_cmd); |
| 4835 | wpa_s->dpp_pkex_auth_cmd = os_strdup(cmd); |
| 4836 | |
| 4837 | return 1; |
| 4838 | } |
| 4839 | |
| 4840 | |
| 4841 | int wpas_dpp_pkex_remove(struct wpa_supplicant *wpa_s, const char *id) |
| 4842 | { |
| 4843 | unsigned int id_val; |
| 4844 | |
| 4845 | if (os_strcmp(id, "*") == 0) { |
| 4846 | id_val = 0; |
| 4847 | } else { |
| 4848 | id_val = atoi(id); |
| 4849 | if (id_val == 0) |
| 4850 | return -1; |
| 4851 | } |
| 4852 | |
Sunil Ravi | 89eba10 | 2022-09-13 21:04:37 -0700 | [diff] [blame] | 4853 | if ((id_val != 0 && id_val != 1)) |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 4854 | return -1; |
| 4855 | |
| 4856 | /* TODO: Support multiple PKEX entries */ |
| 4857 | os_free(wpa_s->dpp_pkex_code); |
| 4858 | wpa_s->dpp_pkex_code = NULL; |
| 4859 | os_free(wpa_s->dpp_pkex_identifier); |
| 4860 | wpa_s->dpp_pkex_identifier = NULL; |
| 4861 | os_free(wpa_s->dpp_pkex_auth_cmd); |
| 4862 | wpa_s->dpp_pkex_auth_cmd = NULL; |
| 4863 | wpa_s->dpp_pkex_bi = NULL; |
| 4864 | /* TODO: Remove dpp_pkex only if it is for the identified PKEX code */ |
| 4865 | dpp_pkex_free(wpa_s->dpp_pkex); |
| 4866 | wpa_s->dpp_pkex = NULL; |
| 4867 | return 0; |
| 4868 | } |
| 4869 | |
| 4870 | |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 4871 | void wpas_dpp_stop(struct wpa_supplicant *wpa_s) |
| 4872 | { |
Sunil Ravi | a04bd25 | 2022-05-02 22:54:18 -0700 | [diff] [blame] | 4873 | if (wpa_s->dpp_auth || wpa_s->dpp_pkex || wpa_s->dpp_pkex_wait_auth_req) |
Hai Shalom | fdcde76 | 2020-04-02 11:19:20 -0700 | [diff] [blame] | 4874 | offchannel_send_action_done(wpa_s); |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 4875 | dpp_auth_deinit(wpa_s->dpp_auth); |
| 4876 | wpa_s->dpp_auth = NULL; |
| 4877 | dpp_pkex_free(wpa_s->dpp_pkex); |
| 4878 | wpa_s->dpp_pkex = NULL; |
Sunil Ravi | a04bd25 | 2022-05-02 22:54:18 -0700 | [diff] [blame] | 4879 | wpa_s->dpp_pkex_wait_auth_req = false; |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 4880 | if (wpa_s->dpp_gas_client && wpa_s->dpp_gas_dialog_token >= 0) |
| 4881 | gas_query_stop(wpa_s->gas, wpa_s->dpp_gas_dialog_token); |
Sunil Ravi | 89eba10 | 2022-09-13 21:04:37 -0700 | [diff] [blame] | 4882 | #ifdef CONFIG_DPP3 |
| 4883 | wpas_dpp_push_button_stop(wpa_s); |
| 4884 | #endif /* CONFIG_DPP3 */ |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 4885 | } |
| 4886 | |
| 4887 | |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 4888 | int wpas_dpp_init(struct wpa_supplicant *wpa_s) |
| 4889 | { |
Hai Shalom | 81f62d8 | 2019-07-22 12:10:00 -0700 | [diff] [blame] | 4890 | struct dpp_global_config config; |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 4891 | u8 adv_proto_id[7]; |
| 4892 | |
| 4893 | adv_proto_id[0] = WLAN_EID_VENDOR_SPECIFIC; |
| 4894 | adv_proto_id[1] = 5; |
| 4895 | WPA_PUT_BE24(&adv_proto_id[2], OUI_WFA); |
| 4896 | adv_proto_id[5] = DPP_OUI_TYPE; |
| 4897 | adv_proto_id[6] = 0x01; |
| 4898 | |
| 4899 | if (gas_server_register(wpa_s->gas_server, adv_proto_id, |
| 4900 | sizeof(adv_proto_id), wpas_dpp_gas_req_handler, |
| 4901 | wpas_dpp_gas_status_handler, wpa_s) < 0) |
| 4902 | return -1; |
Hai Shalom | 81f62d8 | 2019-07-22 12:10:00 -0700 | [diff] [blame] | 4903 | |
| 4904 | os_memset(&config, 0, sizeof(config)); |
Hai Shalom | 81f62d8 | 2019-07-22 12:10:00 -0700 | [diff] [blame] | 4905 | config.cb_ctx = wpa_s; |
| 4906 | #ifdef CONFIG_DPP2 |
Hai Shalom | fdcde76 | 2020-04-02 11:19:20 -0700 | [diff] [blame] | 4907 | config.remove_bi = wpas_dpp_remove_bi; |
Hai Shalom | 81f62d8 | 2019-07-22 12:10:00 -0700 | [diff] [blame] | 4908 | #endif /* CONFIG_DPP2 */ |
| 4909 | wpa_s->dpp = dpp_global_init(&config); |
Hai Shalom | 021b0b5 | 2019-04-10 11:17:58 -0700 | [diff] [blame] | 4910 | return wpa_s->dpp ? 0 : -1; |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 4911 | } |
| 4912 | |
| 4913 | |
| 4914 | void wpas_dpp_deinit(struct wpa_supplicant *wpa_s) |
| 4915 | { |
| 4916 | #ifdef CONFIG_TESTING_OPTIONS |
| 4917 | os_free(wpa_s->dpp_config_obj_override); |
| 4918 | wpa_s->dpp_config_obj_override = NULL; |
| 4919 | os_free(wpa_s->dpp_discovery_override); |
| 4920 | wpa_s->dpp_discovery_override = NULL; |
| 4921 | os_free(wpa_s->dpp_groups_override); |
| 4922 | wpa_s->dpp_groups_override = NULL; |
| 4923 | wpa_s->dpp_ignore_netaccesskey_mismatch = 0; |
| 4924 | #endif /* CONFIG_TESTING_OPTIONS */ |
Hai Shalom | 021b0b5 | 2019-04-10 11:17:58 -0700 | [diff] [blame] | 4925 | if (!wpa_s->dpp) |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 4926 | return; |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 4927 | eloop_cancel_timeout(wpas_dpp_pkex_retry_timeout, wpa_s, NULL); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 4928 | eloop_cancel_timeout(wpas_dpp_reply_wait_timeout, wpa_s, NULL); |
Hai Shalom | 6084025 | 2021-02-19 19:02:11 -0800 | [diff] [blame] | 4929 | eloop_cancel_timeout(wpas_dpp_auth_conf_wait_timeout, wpa_s, NULL); |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 4930 | eloop_cancel_timeout(wpas_dpp_init_timeout, wpa_s, NULL); |
| 4931 | eloop_cancel_timeout(wpas_dpp_auth_resp_retry_timeout, wpa_s, NULL); |
Hai Shalom | a20dcd7 | 2022-02-04 13:43:00 -0800 | [diff] [blame] | 4932 | eloop_cancel_timeout(wpas_dpp_gas_initial_resp_timeout, wpa_s, NULL); |
| 4933 | eloop_cancel_timeout(wpas_dpp_gas_client_timeout, wpa_s, NULL); |
Sunil Ravi | 2a14cf1 | 2023-11-21 00:54:38 +0000 | [diff] [blame] | 4934 | eloop_cancel_timeout(wpas_dpp_drv_wait_timeout, wpa_s, NULL); |
Sunil Ravi | 99c035e | 2024-07-12 01:42:03 +0000 | [diff] [blame] | 4935 | eloop_cancel_timeout(wpas_dpp_tx_auth_resp_roc_timeout, wpa_s, NULL); |
| 4936 | eloop_cancel_timeout(wpas_dpp_neg_freq_timeout, wpa_s, NULL); |
Hai Shalom | 021b0b5 | 2019-04-10 11:17:58 -0700 | [diff] [blame] | 4937 | #ifdef CONFIG_DPP2 |
| 4938 | eloop_cancel_timeout(wpas_dpp_config_result_wait_timeout, wpa_s, NULL); |
Hai Shalom | c356592 | 2019-10-28 11:58:20 -0700 | [diff] [blame] | 4939 | eloop_cancel_timeout(wpas_dpp_conn_status_result_wait_timeout, |
| 4940 | wpa_s, NULL); |
| 4941 | eloop_cancel_timeout(wpas_dpp_conn_status_result_timeout, wpa_s, NULL); |
Hai Shalom | 4fbc08f | 2020-05-18 12:37:00 -0700 | [diff] [blame] | 4942 | eloop_cancel_timeout(wpas_dpp_reconfig_reply_wait_timeout, |
| 4943 | wpa_s, NULL); |
Hai Shalom | 899fcc7 | 2020-10-19 14:38:18 -0700 | [diff] [blame] | 4944 | eloop_cancel_timeout(wpas_dpp_build_csr, wpa_s, NULL); |
Sunil Ravi | 2a14cf1 | 2023-11-21 00:54:38 +0000 | [diff] [blame] | 4945 | eloop_cancel_timeout(wpas_dpp_connected_timeout, wpa_s, NULL); |
Hai Shalom | 021b0b5 | 2019-04-10 11:17:58 -0700 | [diff] [blame] | 4946 | dpp_pfs_free(wpa_s->dpp_pfs); |
| 4947 | wpa_s->dpp_pfs = NULL; |
Hai Shalom | fdcde76 | 2020-04-02 11:19:20 -0700 | [diff] [blame] | 4948 | wpas_dpp_chirp_stop(wpa_s); |
Hai Shalom | 899fcc7 | 2020-10-19 14:38:18 -0700 | [diff] [blame] | 4949 | dpp_free_reconfig_id(wpa_s->dpp_reconfig_id); |
| 4950 | wpa_s->dpp_reconfig_id = NULL; |
Hai Shalom | 021b0b5 | 2019-04-10 11:17:58 -0700 | [diff] [blame] | 4951 | #endif /* CONFIG_DPP2 */ |
Sunil Ravi | a04bd25 | 2022-05-02 22:54:18 -0700 | [diff] [blame] | 4952 | #ifdef CONFIG_DPP3 |
| 4953 | eloop_cancel_timeout(wpas_dpp_build_new_key, wpa_s, NULL); |
| 4954 | #endif /* CONFIG_DPP3 */ |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 4955 | offchannel_send_action_done(wpa_s); |
| 4956 | wpas_dpp_listen_stop(wpa_s); |
Roshan Pius | 3a1667e | 2018-07-03 15:17:14 -0700 | [diff] [blame] | 4957 | wpas_dpp_stop(wpa_s); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 4958 | wpas_dpp_pkex_remove(wpa_s, "*"); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 4959 | os_memset(wpa_s->dpp_intro_bssid, 0, ETH_ALEN); |
| 4960 | os_free(wpa_s->dpp_configurator_params); |
| 4961 | wpa_s->dpp_configurator_params = NULL; |
Hai Shalom | 899fcc7 | 2020-10-19 14:38:18 -0700 | [diff] [blame] | 4962 | dpp_global_clear(wpa_s->dpp); |
Dmitry Shmidt | d2986c2 | 2017-10-23 14:22:09 -0700 | [diff] [blame] | 4963 | } |
Hai Shalom | 81f62d8 | 2019-07-22 12:10:00 -0700 | [diff] [blame] | 4964 | |
| 4965 | |
Hai Shalom | a20dcd7 | 2022-02-04 13:43:00 -0800 | [diff] [blame] | 4966 | static int wpas_dpp_build_conf_resp(struct wpa_supplicant *wpa_s, |
| 4967 | struct dpp_authentication *auth, bool tcp) |
| 4968 | { |
| 4969 | struct wpabuf *resp; |
| 4970 | |
| 4971 | resp = dpp_build_conf_resp(auth, auth->e_nonce, auth->curve->nonce_len, |
| 4972 | auth->e_netrole, true); |
| 4973 | if (!resp) |
| 4974 | return -1; |
| 4975 | |
| 4976 | if (tcp) { |
| 4977 | auth->conf_resp_tcp = resp; |
| 4978 | return 0; |
| 4979 | } |
| 4980 | |
| 4981 | eloop_cancel_timeout(wpas_dpp_gas_initial_resp_timeout, wpa_s, NULL); |
| 4982 | if (gas_server_set_resp(wpa_s->gas_server, auth->config_resp_ctx, |
| 4983 | resp) < 0) { |
| 4984 | wpa_printf(MSG_DEBUG, |
| 4985 | "DPP: Could not find pending GAS response"); |
| 4986 | wpabuf_free(resp); |
| 4987 | return -1; |
| 4988 | } |
| 4989 | auth->conf_resp = resp; |
| 4990 | return 0; |
| 4991 | } |
| 4992 | |
| 4993 | |
| 4994 | int wpas_dpp_conf_set(struct wpa_supplicant *wpa_s, const char *cmd) |
| 4995 | { |
| 4996 | int peer; |
| 4997 | const char *pos; |
| 4998 | struct dpp_authentication *auth = wpa_s->dpp_auth; |
| 4999 | bool tcp = false; |
| 5000 | |
| 5001 | pos = os_strstr(cmd, " peer="); |
| 5002 | if (!pos) |
| 5003 | return -1; |
| 5004 | peer = atoi(pos + 6); |
| 5005 | #ifdef CONFIG_DPP2 |
| 5006 | if (!auth || !auth->waiting_config || |
| 5007 | (auth->peer_bi && |
| 5008 | (unsigned int) peer != auth->peer_bi->id)) { |
| 5009 | auth = dpp_controller_get_auth(wpa_s->dpp, peer); |
| 5010 | tcp = true; |
| 5011 | } |
| 5012 | #endif /* CONFIG_DPP2 */ |
| 5013 | |
| 5014 | if (!auth || !auth->waiting_config) { |
| 5015 | wpa_printf(MSG_DEBUG, |
| 5016 | "DPP: No authentication exchange waiting for configuration information"); |
| 5017 | return -1; |
| 5018 | } |
| 5019 | |
| 5020 | if ((!auth->peer_bi || |
| 5021 | (unsigned int) peer != auth->peer_bi->id) && |
| 5022 | (!auth->tmp_peer_bi || |
| 5023 | (unsigned int) peer != auth->tmp_peer_bi->id)) { |
| 5024 | wpa_printf(MSG_DEBUG, "DPP: Peer mismatch"); |
| 5025 | return -1; |
| 5026 | } |
| 5027 | |
| 5028 | pos = os_strstr(cmd, " comeback="); |
| 5029 | if (pos) { |
| 5030 | eloop_cancel_timeout(wpas_dpp_gas_initial_resp_timeout, wpa_s, |
| 5031 | NULL); |
| 5032 | gas_server_set_comeback_delay(wpa_s->gas_server, |
| 5033 | auth->config_resp_ctx, |
| 5034 | atoi(pos + 10)); |
| 5035 | return 0; |
| 5036 | } |
| 5037 | |
| 5038 | if (dpp_set_configurator(auth, cmd) < 0) |
| 5039 | return -1; |
| 5040 | |
| 5041 | auth->use_config_query = false; |
| 5042 | auth->waiting_config = false; |
| 5043 | return wpas_dpp_build_conf_resp(wpa_s, auth, tcp); |
| 5044 | } |
| 5045 | |
| 5046 | |
Hai Shalom | 81f62d8 | 2019-07-22 12:10:00 -0700 | [diff] [blame] | 5047 | #ifdef CONFIG_DPP2 |
Hai Shalom | fdcde76 | 2020-04-02 11:19:20 -0700 | [diff] [blame] | 5048 | |
Hai Shalom | 81f62d8 | 2019-07-22 12:10:00 -0700 | [diff] [blame] | 5049 | int wpas_dpp_controller_start(struct wpa_supplicant *wpa_s, const char *cmd) |
| 5050 | { |
| 5051 | struct dpp_controller_config config; |
| 5052 | const char *pos; |
| 5053 | |
| 5054 | os_memset(&config, 0, sizeof(config)); |
Hai Shalom | 4fbc08f | 2020-05-18 12:37:00 -0700 | [diff] [blame] | 5055 | config.allowed_roles = DPP_CAPAB_ENROLLEE | DPP_CAPAB_CONFIGURATOR; |
Hai Shalom | 899fcc7 | 2020-10-19 14:38:18 -0700 | [diff] [blame] | 5056 | config.netrole = DPP_NETROLE_STA; |
| 5057 | config.msg_ctx = wpa_s; |
| 5058 | config.cb_ctx = wpa_s; |
| 5059 | config.process_conf_obj = wpas_dpp_process_conf_obj; |
Hai Shalom | a20dcd7 | 2022-02-04 13:43:00 -0800 | [diff] [blame] | 5060 | config.tcp_msg_sent = wpas_dpp_tcp_msg_sent; |
Hai Shalom | 81f62d8 | 2019-07-22 12:10:00 -0700 | [diff] [blame] | 5061 | if (cmd) { |
| 5062 | pos = os_strstr(cmd, " tcp_port="); |
| 5063 | if (pos) { |
| 5064 | pos += 10; |
| 5065 | config.tcp_port = atoi(pos); |
| 5066 | } |
Hai Shalom | 4fbc08f | 2020-05-18 12:37:00 -0700 | [diff] [blame] | 5067 | |
| 5068 | pos = os_strstr(cmd, " role="); |
| 5069 | if (pos) { |
| 5070 | pos += 6; |
| 5071 | if (os_strncmp(pos, "configurator", 12) == 0) |
| 5072 | config.allowed_roles = DPP_CAPAB_CONFIGURATOR; |
| 5073 | else if (os_strncmp(pos, "enrollee", 8) == 0) |
| 5074 | config.allowed_roles = DPP_CAPAB_ENROLLEE; |
| 5075 | else if (os_strncmp(pos, "either", 6) == 0) |
| 5076 | config.allowed_roles = DPP_CAPAB_CONFIGURATOR | |
| 5077 | DPP_CAPAB_ENROLLEE; |
| 5078 | else |
| 5079 | return -1; |
| 5080 | } |
Hai Shalom | 899fcc7 | 2020-10-19 14:38:18 -0700 | [diff] [blame] | 5081 | |
| 5082 | config.qr_mutual = os_strstr(cmd, " qr=mutual") != NULL; |
Hai Shalom | 81f62d8 | 2019-07-22 12:10:00 -0700 | [diff] [blame] | 5083 | } |
| 5084 | config.configurator_params = wpa_s->dpp_configurator_params; |
| 5085 | return dpp_controller_start(wpa_s->dpp, &config); |
| 5086 | } |
Hai Shalom | fdcde76 | 2020-04-02 11:19:20 -0700 | [diff] [blame] | 5087 | |
| 5088 | |
| 5089 | static void wpas_dpp_chirp_next(void *eloop_ctx, void *timeout_ctx); |
| 5090 | |
| 5091 | static void wpas_dpp_chirp_timeout(void *eloop_ctx, void *timeout_ctx) |
| 5092 | { |
| 5093 | struct wpa_supplicant *wpa_s = eloop_ctx; |
| 5094 | |
| 5095 | wpa_printf(MSG_DEBUG, "DPP: No chirp response received"); |
| 5096 | offchannel_send_action_done(wpa_s); |
| 5097 | wpas_dpp_chirp_next(wpa_s, NULL); |
| 5098 | } |
| 5099 | |
| 5100 | |
| 5101 | static void wpas_dpp_chirp_tx_status(struct wpa_supplicant *wpa_s, |
| 5102 | unsigned int freq, const u8 *dst, |
| 5103 | const u8 *src, const u8 *bssid, |
| 5104 | const u8 *data, size_t data_len, |
| 5105 | enum offchannel_send_action_result result) |
| 5106 | { |
| 5107 | if (result == OFFCHANNEL_SEND_ACTION_FAILED) { |
| 5108 | wpa_printf(MSG_DEBUG, "DPP: Failed to send chirp on %d MHz", |
| 5109 | wpa_s->dpp_chirp_freq); |
| 5110 | if (eloop_register_timeout(0, 0, wpas_dpp_chirp_next, |
| 5111 | wpa_s, NULL) < 0) |
| 5112 | wpas_dpp_chirp_stop(wpa_s); |
| 5113 | return; |
| 5114 | } |
| 5115 | |
| 5116 | wpa_printf(MSG_DEBUG, "DPP: Chirp send completed - wait for response"); |
| 5117 | if (eloop_register_timeout(2, 0, wpas_dpp_chirp_timeout, |
| 5118 | wpa_s, NULL) < 0) |
| 5119 | wpas_dpp_chirp_stop(wpa_s); |
| 5120 | } |
| 5121 | |
| 5122 | |
| 5123 | static void wpas_dpp_chirp_start(struct wpa_supplicant *wpa_s) |
| 5124 | { |
Hai Shalom | 899fcc7 | 2020-10-19 14:38:18 -0700 | [diff] [blame] | 5125 | struct wpabuf *msg, *announce = NULL; |
Hai Shalom | 4fbc08f | 2020-05-18 12:37:00 -0700 | [diff] [blame] | 5126 | int type; |
| 5127 | |
| 5128 | msg = wpa_s->dpp_presence_announcement; |
| 5129 | type = DPP_PA_PRESENCE_ANNOUNCEMENT; |
| 5130 | if (!msg) { |
Hai Shalom | 899fcc7 | 2020-10-19 14:38:18 -0700 | [diff] [blame] | 5131 | struct wpa_ssid *ssid = wpa_s->dpp_reconfig_ssid; |
| 5132 | |
| 5133 | if (ssid && wpa_s->dpp_reconfig_id && |
| 5134 | wpa_config_get_network(wpa_s->conf, |
| 5135 | wpa_s->dpp_reconfig_ssid_id) == |
| 5136 | ssid) { |
| 5137 | announce = dpp_build_reconfig_announcement( |
| 5138 | ssid->dpp_csign, |
| 5139 | ssid->dpp_csign_len, |
| 5140 | ssid->dpp_netaccesskey, |
| 5141 | ssid->dpp_netaccesskey_len, |
| 5142 | wpa_s->dpp_reconfig_id); |
| 5143 | msg = announce; |
| 5144 | } |
Hai Shalom | 4fbc08f | 2020-05-18 12:37:00 -0700 | [diff] [blame] | 5145 | if (!msg) |
| 5146 | return; |
| 5147 | type = DPP_PA_RECONFIG_ANNOUNCEMENT; |
| 5148 | } |
Hai Shalom | fdcde76 | 2020-04-02 11:19:20 -0700 | [diff] [blame] | 5149 | wpa_printf(MSG_DEBUG, "DPP: Chirp on %d MHz", wpa_s->dpp_chirp_freq); |
| 5150 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_TX "dst=" MACSTR " freq=%u type=%d", |
Hai Shalom | 4fbc08f | 2020-05-18 12:37:00 -0700 | [diff] [blame] | 5151 | MAC2STR(broadcast), wpa_s->dpp_chirp_freq, type); |
Hai Shalom | fdcde76 | 2020-04-02 11:19:20 -0700 | [diff] [blame] | 5152 | if (offchannel_send_action( |
| 5153 | wpa_s, wpa_s->dpp_chirp_freq, broadcast, |
| 5154 | wpa_s->own_addr, broadcast, |
Hai Shalom | 4fbc08f | 2020-05-18 12:37:00 -0700 | [diff] [blame] | 5155 | wpabuf_head(msg), wpabuf_len(msg), |
Hai Shalom | fdcde76 | 2020-04-02 11:19:20 -0700 | [diff] [blame] | 5156 | 2000, wpas_dpp_chirp_tx_status, 0) < 0) |
| 5157 | wpas_dpp_chirp_stop(wpa_s); |
Hai Shalom | 899fcc7 | 2020-10-19 14:38:18 -0700 | [diff] [blame] | 5158 | |
| 5159 | wpabuf_free(announce); |
Hai Shalom | fdcde76 | 2020-04-02 11:19:20 -0700 | [diff] [blame] | 5160 | } |
| 5161 | |
| 5162 | |
Sunil Ravi | 89eba10 | 2022-09-13 21:04:37 -0700 | [diff] [blame] | 5163 | static int * wpas_dpp_presence_ann_channels(struct wpa_supplicant *wpa_s, |
| 5164 | struct dpp_bootstrap_info *bi) |
Hai Shalom | fdcde76 | 2020-04-02 11:19:20 -0700 | [diff] [blame] | 5165 | { |
Hai Shalom | fdcde76 | 2020-04-02 11:19:20 -0700 | [diff] [blame] | 5166 | unsigned int i; |
| 5167 | struct hostapd_hw_modes *mode; |
| 5168 | int c; |
| 5169 | struct wpa_bss *bss; |
Hai Shalom | a20dcd7 | 2022-02-04 13:43:00 -0800 | [diff] [blame] | 5170 | bool chan6 = wpa_s->hw.modes == NULL; |
Sunil Ravi | 89eba10 | 2022-09-13 21:04:37 -0700 | [diff] [blame] | 5171 | int *freqs = NULL; |
Hai Shalom | fdcde76 | 2020-04-02 11:19:20 -0700 | [diff] [blame] | 5172 | |
| 5173 | /* Channels from own bootstrapping info */ |
Hai Shalom | 4fbc08f | 2020-05-18 12:37:00 -0700 | [diff] [blame] | 5174 | if (bi) { |
| 5175 | for (i = 0; i < bi->num_freq; i++) |
Sunil Ravi | 89eba10 | 2022-09-13 21:04:37 -0700 | [diff] [blame] | 5176 | int_array_add_unique(&freqs, bi->freq[i]); |
Hai Shalom | 4fbc08f | 2020-05-18 12:37:00 -0700 | [diff] [blame] | 5177 | } |
Hai Shalom | fdcde76 | 2020-04-02 11:19:20 -0700 | [diff] [blame] | 5178 | |
| 5179 | /* Preferred chirping channels */ |
Hai Shalom | 899fcc7 | 2020-10-19 14:38:18 -0700 | [diff] [blame] | 5180 | mode = get_mode(wpa_s->hw.modes, wpa_s->hw.num_modes, |
Hai Shalom | 6084025 | 2021-02-19 19:02:11 -0800 | [diff] [blame] | 5181 | HOSTAPD_MODE_IEEE80211G, false); |
Hai Shalom | 899fcc7 | 2020-10-19 14:38:18 -0700 | [diff] [blame] | 5182 | if (mode) { |
| 5183 | for (c = 0; c < mode->num_channels; c++) { |
| 5184 | struct hostapd_channel_data *chan = &mode->channels[c]; |
| 5185 | |
| 5186 | if ((chan->flag & HOSTAPD_CHAN_DISABLED) || |
| 5187 | chan->freq != 2437) |
| 5188 | continue; |
| 5189 | chan6 = true; |
| 5190 | break; |
| 5191 | } |
| 5192 | } |
| 5193 | if (chan6) |
Sunil Ravi | 89eba10 | 2022-09-13 21:04:37 -0700 | [diff] [blame] | 5194 | int_array_add_unique(&freqs, 2437); |
Hai Shalom | fdcde76 | 2020-04-02 11:19:20 -0700 | [diff] [blame] | 5195 | |
| 5196 | mode = get_mode(wpa_s->hw.modes, wpa_s->hw.num_modes, |
Hai Shalom | 6084025 | 2021-02-19 19:02:11 -0800 | [diff] [blame] | 5197 | HOSTAPD_MODE_IEEE80211A, false); |
Hai Shalom | fdcde76 | 2020-04-02 11:19:20 -0700 | [diff] [blame] | 5198 | if (mode) { |
| 5199 | int chan44 = 0, chan149 = 0; |
| 5200 | |
| 5201 | for (c = 0; c < mode->num_channels; c++) { |
| 5202 | struct hostapd_channel_data *chan = &mode->channels[c]; |
| 5203 | |
| 5204 | if (chan->flag & (HOSTAPD_CHAN_DISABLED | |
| 5205 | HOSTAPD_CHAN_RADAR)) |
| 5206 | continue; |
| 5207 | if (chan->freq == 5220) |
| 5208 | chan44 = 1; |
| 5209 | if (chan->freq == 5745) |
| 5210 | chan149 = 1; |
| 5211 | } |
| 5212 | if (chan149) |
Sunil Ravi | 89eba10 | 2022-09-13 21:04:37 -0700 | [diff] [blame] | 5213 | int_array_add_unique(&freqs, 5745); |
Hai Shalom | fdcde76 | 2020-04-02 11:19:20 -0700 | [diff] [blame] | 5214 | else if (chan44) |
Sunil Ravi | 89eba10 | 2022-09-13 21:04:37 -0700 | [diff] [blame] | 5215 | int_array_add_unique(&freqs, 5220); |
Hai Shalom | fdcde76 | 2020-04-02 11:19:20 -0700 | [diff] [blame] | 5216 | } |
| 5217 | |
| 5218 | mode = get_mode(wpa_s->hw.modes, wpa_s->hw.num_modes, |
Hai Shalom | 6084025 | 2021-02-19 19:02:11 -0800 | [diff] [blame] | 5219 | HOSTAPD_MODE_IEEE80211AD, false); |
Hai Shalom | fdcde76 | 2020-04-02 11:19:20 -0700 | [diff] [blame] | 5220 | if (mode) { |
| 5221 | for (c = 0; c < mode->num_channels; c++) { |
| 5222 | struct hostapd_channel_data *chan = &mode->channels[c]; |
| 5223 | |
| 5224 | if ((chan->flag & (HOSTAPD_CHAN_DISABLED | |
| 5225 | HOSTAPD_CHAN_RADAR)) || |
| 5226 | chan->freq != 60480) |
| 5227 | continue; |
Sunil Ravi | 89eba10 | 2022-09-13 21:04:37 -0700 | [diff] [blame] | 5228 | int_array_add_unique(&freqs, 60480); |
Hai Shalom | fdcde76 | 2020-04-02 11:19:20 -0700 | [diff] [blame] | 5229 | break; |
| 5230 | } |
| 5231 | } |
| 5232 | |
| 5233 | /* Add channels from scan results for APs that advertise Configurator |
| 5234 | * Connectivity element */ |
| 5235 | dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) { |
| 5236 | if (wpa_bss_get_vendor_ie(bss, DPP_CC_IE_VENDOR_TYPE)) |
Sunil Ravi | 89eba10 | 2022-09-13 21:04:37 -0700 | [diff] [blame] | 5237 | int_array_add_unique(&freqs, bss->freq); |
Hai Shalom | fdcde76 | 2020-04-02 11:19:20 -0700 | [diff] [blame] | 5238 | } |
| 5239 | |
Sunil Ravi | 89eba10 | 2022-09-13 21:04:37 -0700 | [diff] [blame] | 5240 | return freqs; |
| 5241 | } |
| 5242 | |
| 5243 | |
| 5244 | static void wpas_dpp_chirp_scan_res_handler(struct wpa_supplicant *wpa_s, |
| 5245 | struct wpa_scan_results *scan_res) |
| 5246 | { |
| 5247 | struct dpp_bootstrap_info *bi = wpa_s->dpp_chirp_bi; |
| 5248 | |
| 5249 | if (!bi && !wpa_s->dpp_reconfig_ssid) |
| 5250 | return; |
| 5251 | |
| 5252 | wpa_s->dpp_chirp_scan_done = 1; |
| 5253 | |
| 5254 | os_free(wpa_s->dpp_chirp_freqs); |
| 5255 | wpa_s->dpp_chirp_freqs = wpas_dpp_presence_ann_channels(wpa_s, bi); |
| 5256 | |
Hai Shalom | fdcde76 | 2020-04-02 11:19:20 -0700 | [diff] [blame] | 5257 | if (!wpa_s->dpp_chirp_freqs || |
| 5258 | eloop_register_timeout(0, 0, wpas_dpp_chirp_next, wpa_s, NULL) < 0) |
| 5259 | wpas_dpp_chirp_stop(wpa_s); |
| 5260 | } |
| 5261 | |
| 5262 | |
| 5263 | static void wpas_dpp_chirp_next(void *eloop_ctx, void *timeout_ctx) |
| 5264 | { |
| 5265 | struct wpa_supplicant *wpa_s = eloop_ctx; |
| 5266 | int i; |
| 5267 | |
| 5268 | if (wpa_s->dpp_chirp_listen) |
| 5269 | wpas_dpp_listen_stop(wpa_s); |
| 5270 | |
| 5271 | if (wpa_s->dpp_chirp_freq == 0) { |
| 5272 | if (wpa_s->dpp_chirp_round % 4 == 0 && |
| 5273 | !wpa_s->dpp_chirp_scan_done) { |
Hai Shalom | 6084025 | 2021-02-19 19:02:11 -0800 | [diff] [blame] | 5274 | if (wpas_scan_scheduled(wpa_s)) { |
| 5275 | wpa_printf(MSG_DEBUG, |
| 5276 | "DPP: Deferring chirp scan because another scan is planned already"); |
| 5277 | if (eloop_register_timeout(1, 0, |
| 5278 | wpas_dpp_chirp_next, |
| 5279 | wpa_s, NULL) < 0) { |
| 5280 | wpas_dpp_chirp_stop(wpa_s); |
| 5281 | return; |
| 5282 | } |
| 5283 | return; |
| 5284 | } |
Hai Shalom | fdcde76 | 2020-04-02 11:19:20 -0700 | [diff] [blame] | 5285 | wpa_printf(MSG_DEBUG, |
| 5286 | "DPP: Update channel list for chirping"); |
| 5287 | wpa_s->scan_req = MANUAL_SCAN_REQ; |
| 5288 | wpa_s->scan_res_handler = |
| 5289 | wpas_dpp_chirp_scan_res_handler; |
| 5290 | wpa_supplicant_req_scan(wpa_s, 0, 0); |
| 5291 | return; |
| 5292 | } |
| 5293 | wpa_s->dpp_chirp_freq = wpa_s->dpp_chirp_freqs[0]; |
| 5294 | wpa_s->dpp_chirp_round++; |
| 5295 | wpa_printf(MSG_DEBUG, "DPP: Start chirping round %d", |
| 5296 | wpa_s->dpp_chirp_round); |
| 5297 | } else { |
| 5298 | for (i = 0; wpa_s->dpp_chirp_freqs[i]; i++) |
| 5299 | if (wpa_s->dpp_chirp_freqs[i] == wpa_s->dpp_chirp_freq) |
| 5300 | break; |
| 5301 | if (!wpa_s->dpp_chirp_freqs[i]) { |
| 5302 | wpa_printf(MSG_DEBUG, |
| 5303 | "DPP: Previous chirp freq %d not found", |
| 5304 | wpa_s->dpp_chirp_freq); |
| 5305 | return; |
| 5306 | } |
| 5307 | i++; |
| 5308 | if (wpa_s->dpp_chirp_freqs[i]) { |
| 5309 | wpa_s->dpp_chirp_freq = wpa_s->dpp_chirp_freqs[i]; |
| 5310 | } else { |
| 5311 | wpa_s->dpp_chirp_iter--; |
| 5312 | if (wpa_s->dpp_chirp_iter <= 0) { |
| 5313 | wpa_printf(MSG_DEBUG, |
| 5314 | "DPP: Chirping iterations completed"); |
| 5315 | wpas_dpp_chirp_stop(wpa_s); |
| 5316 | return; |
| 5317 | } |
| 5318 | wpa_s->dpp_chirp_freq = 0; |
| 5319 | wpa_s->dpp_chirp_scan_done = 0; |
| 5320 | if (eloop_register_timeout(30, 0, wpas_dpp_chirp_next, |
| 5321 | wpa_s, NULL) < 0) { |
| 5322 | wpas_dpp_chirp_stop(wpa_s); |
| 5323 | return; |
| 5324 | } |
| 5325 | if (wpa_s->dpp_chirp_listen) { |
| 5326 | wpa_printf(MSG_DEBUG, |
| 5327 | "DPP: Listen on %d MHz during chirp 30 second wait", |
| 5328 | wpa_s->dpp_chirp_listen); |
| 5329 | wpas_dpp_listen_start(wpa_s, |
| 5330 | wpa_s->dpp_chirp_listen); |
| 5331 | } else { |
| 5332 | wpa_printf(MSG_DEBUG, |
| 5333 | "DPP: Wait 30 seconds before starting the next chirping round"); |
| 5334 | } |
| 5335 | return; |
| 5336 | } |
| 5337 | } |
| 5338 | |
| 5339 | wpas_dpp_chirp_start(wpa_s); |
| 5340 | } |
| 5341 | |
| 5342 | |
| 5343 | int wpas_dpp_chirp(struct wpa_supplicant *wpa_s, const char *cmd) |
| 5344 | { |
| 5345 | const char *pos; |
| 5346 | int iter = 1, listen_freq = 0; |
| 5347 | struct dpp_bootstrap_info *bi; |
| 5348 | |
| 5349 | pos = os_strstr(cmd, " own="); |
| 5350 | if (!pos) |
| 5351 | return -1; |
| 5352 | pos += 5; |
| 5353 | bi = dpp_bootstrap_get_id(wpa_s->dpp, atoi(pos)); |
| 5354 | if (!bi) { |
| 5355 | wpa_printf(MSG_DEBUG, |
| 5356 | "DPP: Identified bootstrap info not found"); |
| 5357 | return -1; |
| 5358 | } |
| 5359 | |
| 5360 | pos = os_strstr(cmd, " iter="); |
| 5361 | if (pos) { |
| 5362 | iter = atoi(pos + 6); |
| 5363 | if (iter <= 0) |
| 5364 | return -1; |
| 5365 | } |
| 5366 | |
| 5367 | pos = os_strstr(cmd, " listen="); |
| 5368 | if (pos) { |
| 5369 | listen_freq = atoi(pos + 8); |
Hai Shalom | 4fbc08f | 2020-05-18 12:37:00 -0700 | [diff] [blame] | 5370 | if (listen_freq <= 0) |
Hai Shalom | fdcde76 | 2020-04-02 11:19:20 -0700 | [diff] [blame] | 5371 | return -1; |
| 5372 | } |
| 5373 | |
| 5374 | wpas_dpp_chirp_stop(wpa_s); |
| 5375 | wpa_s->dpp_allowed_roles = DPP_CAPAB_ENROLLEE; |
Sunil Ravi | a04bd25 | 2022-05-02 22:54:18 -0700 | [diff] [blame] | 5376 | wpa_s->dpp_netrole = DPP_NETROLE_STA; |
Hai Shalom | fdcde76 | 2020-04-02 11:19:20 -0700 | [diff] [blame] | 5377 | wpa_s->dpp_qr_mutual = 0; |
| 5378 | wpa_s->dpp_chirp_bi = bi; |
| 5379 | wpa_s->dpp_presence_announcement = dpp_build_presence_announcement(bi); |
| 5380 | if (!wpa_s->dpp_presence_announcement) |
| 5381 | return -1; |
| 5382 | wpa_s->dpp_chirp_iter = iter; |
| 5383 | wpa_s->dpp_chirp_round = 0; |
| 5384 | wpa_s->dpp_chirp_scan_done = 0; |
| 5385 | wpa_s->dpp_chirp_listen = listen_freq; |
| 5386 | |
| 5387 | return eloop_register_timeout(0, 0, wpas_dpp_chirp_next, wpa_s, NULL); |
| 5388 | } |
| 5389 | |
| 5390 | |
| 5391 | void wpas_dpp_chirp_stop(struct wpa_supplicant *wpa_s) |
| 5392 | { |
Hai Shalom | 4fbc08f | 2020-05-18 12:37:00 -0700 | [diff] [blame] | 5393 | if (wpa_s->dpp_presence_announcement || |
Hai Shalom | 899fcc7 | 2020-10-19 14:38:18 -0700 | [diff] [blame] | 5394 | wpa_s->dpp_reconfig_ssid) { |
Hai Shalom | fdcde76 | 2020-04-02 11:19:20 -0700 | [diff] [blame] | 5395 | offchannel_send_action_done(wpa_s); |
| 5396 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_CHIRP_STOPPED); |
| 5397 | } |
| 5398 | wpa_s->dpp_chirp_bi = NULL; |
| 5399 | wpabuf_free(wpa_s->dpp_presence_announcement); |
| 5400 | wpa_s->dpp_presence_announcement = NULL; |
| 5401 | if (wpa_s->dpp_chirp_listen) |
| 5402 | wpas_dpp_listen_stop(wpa_s); |
| 5403 | wpa_s->dpp_chirp_listen = 0; |
| 5404 | wpa_s->dpp_chirp_freq = 0; |
| 5405 | os_free(wpa_s->dpp_chirp_freqs); |
| 5406 | wpa_s->dpp_chirp_freqs = NULL; |
| 5407 | eloop_cancel_timeout(wpas_dpp_chirp_next, wpa_s, NULL); |
| 5408 | eloop_cancel_timeout(wpas_dpp_chirp_timeout, wpa_s, NULL); |
| 5409 | if (wpa_s->scan_res_handler == wpas_dpp_chirp_scan_res_handler) { |
| 5410 | wpas_abort_ongoing_scan(wpa_s); |
| 5411 | wpa_s->scan_res_handler = NULL; |
| 5412 | } |
| 5413 | } |
| 5414 | |
Hai Shalom | 4fbc08f | 2020-05-18 12:37:00 -0700 | [diff] [blame] | 5415 | |
Hai Shalom | 899fcc7 | 2020-10-19 14:38:18 -0700 | [diff] [blame] | 5416 | int wpas_dpp_reconfig(struct wpa_supplicant *wpa_s, const char *cmd) |
Hai Shalom | 4fbc08f | 2020-05-18 12:37:00 -0700 | [diff] [blame] | 5417 | { |
Hai Shalom | 899fcc7 | 2020-10-19 14:38:18 -0700 | [diff] [blame] | 5418 | struct wpa_ssid *ssid; |
| 5419 | int iter = 1; |
| 5420 | const char *pos; |
Hai Shalom | 4fbc08f | 2020-05-18 12:37:00 -0700 | [diff] [blame] | 5421 | |
Hai Shalom | 899fcc7 | 2020-10-19 14:38:18 -0700 | [diff] [blame] | 5422 | ssid = wpa_config_get_network(wpa_s->conf, atoi(cmd)); |
| 5423 | if (!ssid || !ssid->dpp_connector || !ssid->dpp_netaccesskey || |
| 5424 | !ssid->dpp_csign) { |
| 5425 | wpa_printf(MSG_DEBUG, |
| 5426 | "DPP: Not a valid network profile for reconfiguration"); |
| 5427 | return -1; |
| 5428 | } |
| 5429 | |
| 5430 | pos = os_strstr(cmd, " iter="); |
| 5431 | if (pos) { |
| 5432 | iter = atoi(pos + 6); |
| 5433 | if (iter <= 0) |
| 5434 | return -1; |
| 5435 | } |
| 5436 | |
| 5437 | if (wpa_s->dpp_auth) { |
| 5438 | wpa_printf(MSG_DEBUG, |
| 5439 | "DPP: Not ready to start reconfiguration - pending authentication exchange in progress"); |
| 5440 | return -1; |
| 5441 | } |
| 5442 | |
| 5443 | dpp_free_reconfig_id(wpa_s->dpp_reconfig_id); |
| 5444 | wpa_s->dpp_reconfig_id = dpp_gen_reconfig_id(ssid->dpp_csign, |
| 5445 | ssid->dpp_csign_len, |
| 5446 | ssid->dpp_pp_key, |
| 5447 | ssid->dpp_pp_key_len); |
| 5448 | if (!wpa_s->dpp_reconfig_id) { |
| 5449 | wpa_printf(MSG_DEBUG, |
| 5450 | "DPP: Failed to generate E-id for reconfiguration"); |
| 5451 | return -1; |
| 5452 | } |
| 5453 | if (wpa_s->wpa_state >= WPA_AUTHENTICATING) { |
| 5454 | wpa_printf(MSG_DEBUG, "DPP: Disconnect for reconfiguration"); |
| 5455 | wpa_s->own_disconnect_req = 1; |
| 5456 | wpa_supplicant_deauthenticate( |
| 5457 | wpa_s, WLAN_REASON_DEAUTH_LEAVING); |
| 5458 | } |
Hai Shalom | 4fbc08f | 2020-05-18 12:37:00 -0700 | [diff] [blame] | 5459 | wpas_dpp_chirp_stop(wpa_s); |
| 5460 | wpa_s->dpp_allowed_roles = DPP_CAPAB_ENROLLEE; |
Sunil Ravi | a04bd25 | 2022-05-02 22:54:18 -0700 | [diff] [blame] | 5461 | wpa_s->dpp_netrole = DPP_NETROLE_STA; |
Hai Shalom | 4fbc08f | 2020-05-18 12:37:00 -0700 | [diff] [blame] | 5462 | wpa_s->dpp_qr_mutual = 0; |
Hai Shalom | 4fbc08f | 2020-05-18 12:37:00 -0700 | [diff] [blame] | 5463 | wpa_s->dpp_reconfig_ssid = ssid; |
| 5464 | wpa_s->dpp_reconfig_ssid_id = ssid->id; |
Hai Shalom | 899fcc7 | 2020-10-19 14:38:18 -0700 | [diff] [blame] | 5465 | wpa_s->dpp_chirp_iter = iter; |
Hai Shalom | 4fbc08f | 2020-05-18 12:37:00 -0700 | [diff] [blame] | 5466 | wpa_s->dpp_chirp_round = 0; |
| 5467 | wpa_s->dpp_chirp_scan_done = 0; |
| 5468 | wpa_s->dpp_chirp_listen = 0; |
| 5469 | |
| 5470 | return eloop_register_timeout(0, 0, wpas_dpp_chirp_next, wpa_s, NULL); |
| 5471 | } |
| 5472 | |
Hai Shalom | 899fcc7 | 2020-10-19 14:38:18 -0700 | [diff] [blame] | 5473 | |
Hai Shalom | 899fcc7 | 2020-10-19 14:38:18 -0700 | [diff] [blame] | 5474 | int wpas_dpp_ca_set(struct wpa_supplicant *wpa_s, const char *cmd) |
| 5475 | { |
| 5476 | int peer = -1; |
| 5477 | const char *pos, *value; |
| 5478 | struct dpp_authentication *auth = wpa_s->dpp_auth; |
| 5479 | u8 *bin; |
| 5480 | size_t bin_len; |
| 5481 | struct wpabuf *buf; |
| 5482 | bool tcp = false; |
| 5483 | |
| 5484 | pos = os_strstr(cmd, " peer="); |
| 5485 | if (pos) { |
| 5486 | peer = atoi(pos + 6); |
| 5487 | if (!auth || !auth->waiting_cert || |
| 5488 | (auth->peer_bi && |
| 5489 | (unsigned int) peer != auth->peer_bi->id)) { |
| 5490 | auth = dpp_controller_get_auth(wpa_s->dpp, peer); |
| 5491 | tcp = true; |
| 5492 | } |
| 5493 | } |
| 5494 | |
| 5495 | if (!auth || !auth->waiting_cert) { |
| 5496 | wpa_printf(MSG_DEBUG, |
| 5497 | "DPP: No authentication exchange waiting for certificate information"); |
| 5498 | return -1; |
| 5499 | } |
| 5500 | |
| 5501 | if (peer >= 0 && |
| 5502 | (!auth->peer_bi || |
| 5503 | (unsigned int) peer != auth->peer_bi->id) && |
| 5504 | (!auth->tmp_peer_bi || |
| 5505 | (unsigned int) peer != auth->tmp_peer_bi->id)) { |
| 5506 | wpa_printf(MSG_DEBUG, "DPP: Peer mismatch"); |
| 5507 | return -1; |
| 5508 | } |
| 5509 | |
| 5510 | pos = os_strstr(cmd, " value="); |
| 5511 | if (!pos) |
| 5512 | return -1; |
| 5513 | value = pos + 7; |
| 5514 | |
| 5515 | pos = os_strstr(cmd, " name="); |
| 5516 | if (!pos) |
| 5517 | return -1; |
| 5518 | pos += 6; |
| 5519 | |
| 5520 | if (os_strncmp(pos, "status ", 7) == 0) { |
| 5521 | auth->force_conf_resp_status = atoi(value); |
| 5522 | return wpas_dpp_build_conf_resp(wpa_s, auth, tcp); |
| 5523 | } |
| 5524 | |
| 5525 | if (os_strncmp(pos, "trustedEapServerName ", 21) == 0) { |
| 5526 | os_free(auth->trusted_eap_server_name); |
| 5527 | auth->trusted_eap_server_name = os_strdup(value); |
| 5528 | return auth->trusted_eap_server_name ? 0 : -1; |
| 5529 | } |
| 5530 | |
| 5531 | bin = base64_decode(value, os_strlen(value), &bin_len); |
| 5532 | if (!bin) |
| 5533 | return -1; |
| 5534 | buf = wpabuf_alloc_copy(bin, bin_len); |
| 5535 | os_free(bin); |
| 5536 | |
| 5537 | if (os_strncmp(pos, "caCert ", 7) == 0) { |
| 5538 | wpabuf_free(auth->cacert); |
| 5539 | auth->cacert = buf; |
| 5540 | return 0; |
| 5541 | } |
| 5542 | |
| 5543 | if (os_strncmp(pos, "certBag ", 8) == 0) { |
| 5544 | wpabuf_free(auth->certbag); |
| 5545 | auth->certbag = buf; |
| 5546 | return wpas_dpp_build_conf_resp(wpa_s, auth, tcp); |
| 5547 | } |
| 5548 | |
| 5549 | wpabuf_free(buf); |
| 5550 | return -1; |
| 5551 | } |
| 5552 | |
Hai Shalom | 81f62d8 | 2019-07-22 12:10:00 -0700 | [diff] [blame] | 5553 | #endif /* CONFIG_DPP2 */ |
Sunil Ravi | 89eba10 | 2022-09-13 21:04:37 -0700 | [diff] [blame] | 5554 | |
| 5555 | |
| 5556 | #ifdef CONFIG_DPP3 |
| 5557 | |
| 5558 | #define DPP_PB_ANNOUNCE_PER_CHAN 3 |
| 5559 | |
| 5560 | static int wpas_dpp_pb_announce(struct wpa_supplicant *wpa_s, int freq); |
Sunil Ravi | 89eba10 | 2022-09-13 21:04:37 -0700 | [diff] [blame] | 5561 | |
| 5562 | |
| 5563 | static void wpas_dpp_pb_tx_status(struct wpa_supplicant *wpa_s, |
| 5564 | unsigned int freq, const u8 *dst, |
| 5565 | const u8 *src, const u8 *bssid, |
| 5566 | const u8 *data, size_t data_len, |
| 5567 | enum offchannel_send_action_result result) |
| 5568 | { |
| 5569 | if (result == OFFCHANNEL_SEND_ACTION_FAILED) { |
| 5570 | wpa_printf(MSG_DEBUG, |
| 5571 | "DPP: Failed to send push button announcement on %d MHz", |
| 5572 | freq); |
| 5573 | if (eloop_register_timeout(0, 0, wpas_dpp_pb_next, |
| 5574 | wpa_s, NULL) < 0) |
| 5575 | wpas_dpp_push_button_stop(wpa_s); |
| 5576 | return; |
| 5577 | } |
| 5578 | |
| 5579 | wpa_printf(MSG_DEBUG, "DPP: Push button announcement on %d MHz sent", |
| 5580 | freq); |
| 5581 | if (wpa_s->dpp_pb_discovery_done) { |
| 5582 | wpa_s->dpp_pb_announce_count = 0; |
| 5583 | wpa_printf(MSG_DEBUG, |
| 5584 | "DPP: Wait for push button announcement response and PKEX on %d MHz", |
| 5585 | freq); |
| 5586 | if (eloop_register_timeout(0, 500000, wpas_dpp_pb_next, |
| 5587 | wpa_s, NULL) < 0) |
| 5588 | wpas_dpp_push_button_stop(wpa_s); |
| 5589 | return; |
| 5590 | } else if (wpa_s->dpp_pb_announce_count >= DPP_PB_ANNOUNCE_PER_CHAN) { |
| 5591 | wpa_printf(MSG_DEBUG, |
| 5592 | "DPP: Wait for push button announcement response on %d MHz", |
| 5593 | freq); |
| 5594 | if (eloop_register_timeout(0, 50000, wpas_dpp_pb_next, |
| 5595 | wpa_s, NULL) < 0) |
| 5596 | wpas_dpp_push_button_stop(wpa_s); |
| 5597 | return; |
| 5598 | } |
| 5599 | |
| 5600 | if (wpas_dpp_pb_announce(wpa_s, freq) < 0) |
| 5601 | wpas_dpp_push_button_stop(wpa_s); |
| 5602 | } |
| 5603 | |
| 5604 | |
| 5605 | static int wpas_dpp_pb_announce(struct wpa_supplicant *wpa_s, int freq) |
| 5606 | { |
| 5607 | struct wpabuf *msg; |
| 5608 | int type; |
| 5609 | |
| 5610 | msg = wpa_s->dpp_pb_announcement; |
| 5611 | if (!msg) |
| 5612 | return -1; |
| 5613 | |
| 5614 | wpa_s->dpp_pb_announce_count++; |
| 5615 | wpa_printf(MSG_DEBUG, |
| 5616 | "DPP: Send push button announcement %d/%d (%d MHz)", |
| 5617 | wpa_s->dpp_pb_announce_count, DPP_PB_ANNOUNCE_PER_CHAN, |
| 5618 | freq); |
| 5619 | |
| 5620 | type = DPP_PA_PB_PRESENCE_ANNOUNCEMENT; |
| 5621 | if (wpa_s->dpp_pb_announce_count == 1) |
| 5622 | wpa_msg(wpa_s, MSG_INFO, |
| 5623 | DPP_EVENT_TX "dst=" MACSTR " freq=%u type=%d", |
| 5624 | MAC2STR(broadcast), freq, type); |
| 5625 | if (offchannel_send_action( |
| 5626 | wpa_s, freq, broadcast, wpa_s->own_addr, broadcast, |
| 5627 | wpabuf_head(msg), wpabuf_len(msg), |
| 5628 | 1000, wpas_dpp_pb_tx_status, 0) < 0) |
| 5629 | return -1; |
| 5630 | |
| 5631 | return 0; |
| 5632 | } |
| 5633 | |
| 5634 | |
| 5635 | static void wpas_dpp_pb_next(void *eloop_ctx, void *timeout_ctx) |
| 5636 | { |
| 5637 | struct wpa_supplicant *wpa_s = eloop_ctx; |
| 5638 | struct os_reltime now; |
| 5639 | int freq; |
| 5640 | |
| 5641 | if (!wpa_s->dpp_pb_freqs) |
| 5642 | return; |
| 5643 | |
| 5644 | os_get_reltime(&now); |
| 5645 | offchannel_send_action_done(wpa_s); |
| 5646 | |
| 5647 | if (os_reltime_expired(&now, &wpa_s->dpp_pb_time, 100)) { |
| 5648 | wpa_printf(MSG_DEBUG, "DPP: Push button wait time expired"); |
| 5649 | wpas_dpp_push_button_stop(wpa_s); |
| 5650 | return; |
| 5651 | } |
| 5652 | |
| 5653 | if (wpa_s->dpp_pb_freq_idx >= int_array_len(wpa_s->dpp_pb_freqs)) { |
| 5654 | wpa_printf(MSG_DEBUG, |
| 5655 | "DPP: Completed push button announcement round"); |
| 5656 | wpa_s->dpp_pb_freq_idx = 0; |
| 5657 | if (wpa_s->dpp_pb_stop_iter > 0) { |
| 5658 | wpa_s->dpp_pb_stop_iter--; |
| 5659 | |
| 5660 | if (wpa_s->dpp_pb_stop_iter == 1) { |
| 5661 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_PB_STATUS |
| 5662 | "wait for AP/Configurator to allow PKEX to be initiated"); |
| 5663 | if (eloop_register_timeout(10, 0, |
| 5664 | wpas_dpp_pb_next, |
| 5665 | wpa_s, NULL) < 0) { |
| 5666 | wpas_dpp_push_button_stop(wpa_s); |
| 5667 | return; |
| 5668 | } |
| 5669 | return; |
| 5670 | } |
| 5671 | |
| 5672 | if (wpa_s->dpp_pb_stop_iter == 0) { |
| 5673 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_PB_STATUS |
| 5674 | "start push button PKEX responder on the discovered channel (%d MHz)", |
| 5675 | wpa_s->dpp_pb_resp_freq); |
| 5676 | wpa_s->dpp_pb_discovery_done = true; |
| 5677 | |
| 5678 | wpa_s->dpp_pkex_bi = wpa_s->dpp_pb_bi; |
| 5679 | |
| 5680 | os_free(wpa_s->dpp_pkex_code); |
| 5681 | wpa_s->dpp_pkex_code = os_memdup( |
| 5682 | wpa_s->dpp_pb_c_nonce, |
| 5683 | wpa_s->dpp_pb_c_nonce_len); |
| 5684 | wpa_s->dpp_pkex_code_len = |
| 5685 | wpa_s->dpp_pb_c_nonce_len; |
| 5686 | |
| 5687 | os_free(wpa_s->dpp_pkex_identifier); |
| 5688 | wpa_s->dpp_pkex_identifier = |
| 5689 | os_strdup("PBPKEX"); |
| 5690 | |
| 5691 | if (!wpa_s->dpp_pkex_code || |
| 5692 | !wpa_s->dpp_pkex_identifier) { |
| 5693 | wpas_dpp_push_button_stop(wpa_s); |
| 5694 | return; |
| 5695 | } |
| 5696 | |
| 5697 | wpa_s->dpp_pkex_ver = PKEX_VER_ONLY_2; |
| 5698 | |
| 5699 | os_free(wpa_s->dpp_pkex_auth_cmd); |
| 5700 | wpa_s->dpp_pkex_auth_cmd = NULL; |
| 5701 | } |
| 5702 | } |
| 5703 | } |
| 5704 | |
| 5705 | if (wpa_s->dpp_pb_discovery_done) |
| 5706 | freq = wpa_s->dpp_pb_resp_freq; |
| 5707 | else |
| 5708 | freq = wpa_s->dpp_pb_freqs[wpa_s->dpp_pb_freq_idx++]; |
| 5709 | wpa_s->dpp_pb_announce_count = 0; |
| 5710 | if (!wpa_s->dpp_pb_announcement) { |
| 5711 | wpa_printf(MSG_DEBUG, "DPP: Push button announcements stopped"); |
| 5712 | return; |
| 5713 | } |
| 5714 | if (wpas_dpp_pb_announce(wpa_s, freq) < 0) { |
| 5715 | wpas_dpp_push_button_stop(wpa_s); |
| 5716 | return; |
| 5717 | } |
| 5718 | } |
| 5719 | |
| 5720 | |
| 5721 | static void wpas_dpp_push_button_expire(void *eloop_ctx, void *timeout_ctx) |
| 5722 | { |
| 5723 | struct wpa_supplicant *wpa_s = eloop_ctx; |
| 5724 | |
| 5725 | wpa_printf(MSG_DEBUG, |
| 5726 | "DPP: Active push button Configurator mode expired"); |
| 5727 | wpas_dpp_push_button_stop(wpa_s); |
| 5728 | } |
| 5729 | |
| 5730 | |
| 5731 | static int wpas_dpp_push_button_configurator(struct wpa_supplicant *wpa_s, |
| 5732 | const char *cmd) |
| 5733 | { |
| 5734 | wpa_s->dpp_pb_configurator = true; |
| 5735 | wpa_s->dpp_pb_announce_time.sec = 0; |
| 5736 | wpa_s->dpp_pb_announce_time.usec = 0; |
| 5737 | str_clear_free(wpa_s->dpp_pb_cmd); |
| 5738 | wpa_s->dpp_pb_cmd = NULL; |
| 5739 | if (cmd) { |
| 5740 | wpa_s->dpp_pb_cmd = os_strdup(cmd); |
| 5741 | if (!wpa_s->dpp_pb_cmd) |
| 5742 | return -1; |
| 5743 | } |
| 5744 | eloop_register_timeout(100, 0, wpas_dpp_push_button_expire, |
| 5745 | wpa_s, NULL); |
| 5746 | |
Sunil Ravi | 99c035e | 2024-07-12 01:42:03 +0000 | [diff] [blame] | 5747 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_PB_STATUS "started"); |
Sunil Ravi | 89eba10 | 2022-09-13 21:04:37 -0700 | [diff] [blame] | 5748 | return 0; |
| 5749 | } |
| 5750 | |
| 5751 | |
| 5752 | static void wpas_dpp_pb_scan_res_handler(struct wpa_supplicant *wpa_s, |
| 5753 | struct wpa_scan_results *scan_res) |
| 5754 | { |
| 5755 | if (!wpa_s->dpp_pb_time.sec && !wpa_s->dpp_pb_time.usec) |
| 5756 | return; |
| 5757 | |
| 5758 | os_free(wpa_s->dpp_pb_freqs); |
| 5759 | wpa_s->dpp_pb_freqs = wpas_dpp_presence_ann_channels(wpa_s, NULL); |
| 5760 | |
| 5761 | wpa_printf(MSG_DEBUG, "DPP: Scan completed for PB discovery"); |
| 5762 | if (!wpa_s->dpp_pb_freqs || |
| 5763 | eloop_register_timeout(0, 0, wpas_dpp_pb_next, wpa_s, NULL) < 0) |
| 5764 | wpas_dpp_push_button_stop(wpa_s); |
| 5765 | } |
| 5766 | |
| 5767 | |
| 5768 | int wpas_dpp_push_button(struct wpa_supplicant *wpa_s, const char *cmd) |
| 5769 | { |
| 5770 | int res; |
| 5771 | |
| 5772 | if (!wpa_s->dpp) |
| 5773 | return -1; |
| 5774 | wpas_dpp_push_button_stop(wpa_s); |
| 5775 | wpas_dpp_stop(wpa_s); |
| 5776 | wpas_dpp_chirp_stop(wpa_s); |
| 5777 | |
| 5778 | os_get_reltime(&wpa_s->dpp_pb_time); |
| 5779 | |
| 5780 | if (cmd && |
| 5781 | (os_strstr(cmd, " role=configurator") || |
| 5782 | os_strstr(cmd, " conf="))) |
| 5783 | return wpas_dpp_push_button_configurator(wpa_s, cmd); |
| 5784 | |
| 5785 | wpa_s->dpp_pb_configurator = false; |
| 5786 | |
| 5787 | wpa_s->dpp_pb_freq_idx = 0; |
| 5788 | |
| 5789 | res = dpp_bootstrap_gen(wpa_s->dpp, "type=pkex"); |
| 5790 | if (res < 0) |
| 5791 | return -1; |
| 5792 | wpa_s->dpp_pb_bi = dpp_bootstrap_get_id(wpa_s->dpp, res); |
| 5793 | if (!wpa_s->dpp_pb_bi) |
| 5794 | return -1; |
| 5795 | |
| 5796 | wpa_s->dpp_allowed_roles = DPP_CAPAB_ENROLLEE; |
| 5797 | wpa_s->dpp_netrole = DPP_NETROLE_STA; |
| 5798 | wpa_s->dpp_qr_mutual = 0; |
| 5799 | wpa_s->dpp_pb_announcement = |
| 5800 | dpp_build_pb_announcement(wpa_s->dpp_pb_bi); |
| 5801 | if (!wpa_s->dpp_pb_announcement) |
| 5802 | return -1; |
| 5803 | |
| 5804 | wpa_printf(MSG_DEBUG, |
| 5805 | "DPP: Scan to create channel list for PB discovery"); |
| 5806 | wpa_s->scan_req = MANUAL_SCAN_REQ; |
| 5807 | wpa_s->scan_res_handler = wpas_dpp_pb_scan_res_handler; |
| 5808 | wpa_supplicant_req_scan(wpa_s, 0, 0); |
Sunil Ravi | 99c035e | 2024-07-12 01:42:03 +0000 | [diff] [blame] | 5809 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_PB_STATUS "started"); |
Sunil Ravi | 89eba10 | 2022-09-13 21:04:37 -0700 | [diff] [blame] | 5810 | return 0; |
| 5811 | } |
| 5812 | |
| 5813 | |
| 5814 | void wpas_dpp_push_button_stop(struct wpa_supplicant *wpa_s) |
| 5815 | { |
| 5816 | if (!wpa_s->dpp) |
| 5817 | return; |
| 5818 | os_free(wpa_s->dpp_pb_freqs); |
| 5819 | wpa_s->dpp_pb_freqs = NULL; |
| 5820 | wpabuf_free(wpa_s->dpp_pb_announcement); |
| 5821 | wpa_s->dpp_pb_announcement = NULL; |
| 5822 | if (wpa_s->dpp_pb_bi) { |
| 5823 | char id[20]; |
| 5824 | |
Sunil Ravi | b0ac25f | 2024-07-12 01:42:03 +0000 | [diff] [blame] | 5825 | if (wpa_s->dpp_pb_bi == wpa_s->dpp_pkex_bi) |
| 5826 | wpa_s->dpp_pkex_bi = NULL; |
Sunil Ravi | 89eba10 | 2022-09-13 21:04:37 -0700 | [diff] [blame] | 5827 | os_snprintf(id, sizeof(id), "%u", wpa_s->dpp_pb_bi->id); |
| 5828 | dpp_bootstrap_remove(wpa_s->dpp, id); |
| 5829 | wpa_s->dpp_pb_bi = NULL; |
| 5830 | if (!wpa_s->dpp_pb_result_indicated) { |
| 5831 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_PB_RESULT "failed"); |
| 5832 | wpa_s->dpp_pb_result_indicated = true; |
| 5833 | } |
| 5834 | } |
| 5835 | |
| 5836 | wpa_s->dpp_pb_resp_freq = 0; |
| 5837 | wpa_s->dpp_pb_stop_iter = 0; |
| 5838 | wpa_s->dpp_pb_discovery_done = false; |
| 5839 | os_free(wpa_s->dpp_pb_cmd); |
| 5840 | wpa_s->dpp_pb_cmd = NULL; |
| 5841 | |
| 5842 | eloop_cancel_timeout(wpas_dpp_pb_next, wpa_s, NULL); |
| 5843 | eloop_cancel_timeout(wpas_dpp_push_button_expire, wpa_s, NULL); |
| 5844 | if (wpas_dpp_pb_active(wpa_s)) { |
| 5845 | wpa_printf(MSG_DEBUG, "DPP: Stop active push button mode"); |
| 5846 | if (!wpa_s->dpp_pb_result_indicated) |
| 5847 | wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_PB_RESULT "failed"); |
| 5848 | } |
| 5849 | wpa_s->dpp_pb_time.sec = 0; |
| 5850 | wpa_s->dpp_pb_time.usec = 0; |
| 5851 | dpp_pkex_free(wpa_s->dpp_pkex); |
| 5852 | wpa_s->dpp_pkex = NULL; |
| 5853 | os_free(wpa_s->dpp_pkex_auth_cmd); |
| 5854 | wpa_s->dpp_pkex_auth_cmd = NULL; |
| 5855 | |
| 5856 | wpa_s->dpp_pb_result_indicated = false; |
| 5857 | |
| 5858 | str_clear_free(wpa_s->dpp_pb_cmd); |
| 5859 | wpa_s->dpp_pb_cmd = NULL; |
| 5860 | |
| 5861 | if (wpa_s->scan_res_handler == wpas_dpp_pb_scan_res_handler) { |
| 5862 | wpas_abort_ongoing_scan(wpa_s); |
| 5863 | wpa_s->scan_res_handler = NULL; |
| 5864 | } |
| 5865 | } |
| 5866 | |
| 5867 | #endif /* CONFIG_DPP3 */ |