1 /* 2 * Copyright (c) 2009, Atheros Communications, Inc. 3 * Copyright (c) 2011-2013, Qualcomm Atheros, Inc. 4 * 5 * This software may be distributed under the terms of the BSD license. 6 * See README for more details. 7 */ 8 9 #include "includes.h" 10 #include <sys/stat.h> 11 12 #include "common.h" 13 #include "eloop.h" 14 #include "common/ieee802_11_common.h" 15 #include "common/ieee802_11_defs.h" 16 #include "common/gas.h" 17 #include "common/wpa_ctrl.h" 18 #include "rsn_supp/wpa.h" 19 #include "wpa_supplicant_i.h" 20 #include "driver_i.h" 21 #include "config.h" 22 #include "scan.h" 23 #include "notify.h" 24 #include "bss.h" 25 #include "blacklist.h" 26 #include "gas_query.h" 27 #include "interworking.h" 28 #include "hs20_supplicant.h" 29 #include "base64.h" 30 31 32 #define OSU_MAX_ITEMS 10 33 34 struct osu_lang_string { 35 char lang[4]; 36 char text[253]; 37 }; 38 39 struct osu_icon { 40 u16 width; 41 u16 height; 42 char lang[4]; 43 char icon_type[256]; 44 char filename[256]; 45 unsigned int id; 46 unsigned int failed:1; 47 }; 48 49 struct osu_provider { 50 u8 bssid[ETH_ALEN]; 51 u8 osu_ssid[SSID_MAX_LEN]; 52 u8 osu_ssid_len; 53 u8 osu_ssid2[SSID_MAX_LEN]; 54 u8 osu_ssid2_len; 55 char server_uri[256]; 56 u32 osu_methods; /* bit 0 = OMA-DM, bit 1 = SOAP-XML SPP */ 57 char osu_nai[256]; 58 char osu_nai2[256]; 59 struct osu_lang_string friendly_name[OSU_MAX_ITEMS]; 60 size_t friendly_name_count; 61 struct osu_lang_string serv_desc[OSU_MAX_ITEMS]; 62 size_t serv_desc_count; 63 struct osu_icon icon[OSU_MAX_ITEMS]; 64 size_t icon_count; 65 }; 66 67 68 void hs20_configure_frame_filters(struct wpa_supplicant *wpa_s) 69 { 70 struct wpa_bss *bss = wpa_s->current_bss; 71 u8 *bssid = wpa_s->bssid; 72 const u8 *ie; 73 const u8 *ext_capa; 74 u32 filter = 0; 75 76 if (!bss || !is_hs20_network(wpa_s, wpa_s->current_ssid, bss)) { 77 wpa_printf(MSG_DEBUG, 78 "Not configuring frame filtering - BSS " MACSTR 79 " is not a Hotspot 2.0 network", MAC2STR(bssid)); 80 return; 81 } 82 83 ie = wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE); 84 85 /* Check if DGAF disabled bit is zero (5th byte in the IE) */ 86 if (!ie || ie[1] < 5) 87 wpa_printf(MSG_DEBUG, 88 "Not configuring frame filtering - Can't extract DGAF bit"); 89 else if (!(ie[6] & HS20_DGAF_DISABLED)) 90 filter |= WPA_DATA_FRAME_FILTER_FLAG_GTK; 91 92 ext_capa = wpa_bss_get_ie(bss, WLAN_EID_EXT_CAPAB); 93 if (!ext_capa || ext_capa[1] < 2) { 94 wpa_printf(MSG_DEBUG, 95 "Not configuring frame filtering - Can't extract Proxy ARP bit"); 96 return; 97 } 98 99 if (wpa_bss_ext_capab(bss, WLAN_EXT_CAPAB_PROXY_ARP)) 100 filter |= WPA_DATA_FRAME_FILTER_FLAG_ARP | 101 WPA_DATA_FRAME_FILTER_FLAG_NA; 102 103 wpa_drv_configure_frame_filters(wpa_s, filter); 104 } 105 106 107 void wpas_hs20_add_indication(struct wpabuf *buf, int pps_mo_id, int ap_release) 108 { 109 int release; 110 u8 conf; 111 112 release = (HS20_VERSION >> 4) + 1; 113 if (ap_release > 0 && release > ap_release) 114 release = ap_release; 115 if (release < 2) 116 pps_mo_id = -1; 117 118 wpabuf_put_u8(buf, WLAN_EID_VENDOR_SPECIFIC); 119 wpabuf_put_u8(buf, pps_mo_id >= 0 ? 7 : 5); 120 wpabuf_put_be24(buf, OUI_WFA); 121 wpabuf_put_u8(buf, HS20_INDICATION_OUI_TYPE); 122 conf = (release - 1) << 4; 123 if (pps_mo_id >= 0) 124 conf |= HS20_PPS_MO_ID_PRESENT; 125 wpabuf_put_u8(buf, conf); 126 if (pps_mo_id >= 0) 127 wpabuf_put_le16(buf, pps_mo_id); 128 } 129 130 131 void wpas_hs20_add_roam_cons_sel(struct wpabuf *buf, 132 const struct wpa_ssid *ssid) 133 { 134 if (!ssid->roaming_consortium_selection || 135 !ssid->roaming_consortium_selection_len) 136 return; 137 138 wpabuf_put_u8(buf, WLAN_EID_VENDOR_SPECIFIC); 139 wpabuf_put_u8(buf, 4 + ssid->roaming_consortium_selection_len); 140 wpabuf_put_be24(buf, OUI_WFA); 141 wpabuf_put_u8(buf, HS20_ROAMING_CONS_SEL_OUI_TYPE); 142 wpabuf_put_data(buf, ssid->roaming_consortium_selection, 143 ssid->roaming_consortium_selection_len); 144 } 145 146 147 int get_hs20_version(struct wpa_bss *bss) 148 { 149 const u8 *ie; 150 151 if (!bss) 152 return 0; 153 154 ie = wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE); 155 if (!ie || ie[1] < 5) 156 return 0; 157 158 return ((ie[6] >> 4) & 0x0f) + 1; 159 } 160 161 162 int is_hs20_network(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid, 163 struct wpa_bss *bss) 164 { 165 if (!wpa_s->conf->hs20 || !ssid) 166 return 0; 167 168 if (ssid->parent_cred) 169 return 1; 170 171 if (bss && !wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE)) 172 return 0; 173 174 /* 175 * This may catch some non-Hotspot 2.0 cases, but it is safer to do that 176 * than cause Hotspot 2.0 connections without indication element getting 177 * added. Non-Hotspot 2.0 APs should ignore the unknown vendor element. 178 */ 179 180 if (!(ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X)) 181 return 0; 182 if (!(ssid->pairwise_cipher & WPA_CIPHER_CCMP)) 183 return 0; 184 if (ssid->proto != WPA_PROTO_RSN) 185 return 0; 186 187 return 1; 188 } 189 190 191 int hs20_get_pps_mo_id(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid) 192 { 193 struct wpa_cred *cred; 194 195 if (ssid == NULL) 196 return 0; 197 198 if (ssid->update_identifier) 199 return ssid->update_identifier; 200 201 if (ssid->parent_cred == NULL) 202 return 0; 203 204 for (cred = wpa_s->conf->cred; cred; cred = cred->next) { 205 if (ssid->parent_cred == cred) 206 return cred->update_identifier; 207 } 208 209 return 0; 210 } 211 212 213 void hs20_put_anqp_req(u32 stypes, const u8 *payload, size_t payload_len, 214 struct wpabuf *buf) 215 { 216 u8 *len_pos; 217 218 if (buf == NULL) 219 return; 220 221 len_pos = gas_anqp_add_element(buf, ANQP_VENDOR_SPECIFIC); 222 wpabuf_put_be24(buf, OUI_WFA); 223 wpabuf_put_u8(buf, HS20_ANQP_OUI_TYPE); 224 if (stypes == BIT(HS20_STYPE_NAI_HOME_REALM_QUERY)) { 225 wpabuf_put_u8(buf, HS20_STYPE_NAI_HOME_REALM_QUERY); 226 wpabuf_put_u8(buf, 0); /* Reserved */ 227 if (payload) 228 wpabuf_put_data(buf, payload, payload_len); 229 } else if (stypes == BIT(HS20_STYPE_ICON_REQUEST)) { 230 wpabuf_put_u8(buf, HS20_STYPE_ICON_REQUEST); 231 wpabuf_put_u8(buf, 0); /* Reserved */ 232 if (payload) 233 wpabuf_put_data(buf, payload, payload_len); 234 } else { 235 u8 i; 236 wpabuf_put_u8(buf, HS20_STYPE_QUERY_LIST); 237 wpabuf_put_u8(buf, 0); /* Reserved */ 238 for (i = 0; i < 32; i++) { 239 if (stypes & BIT(i)) 240 wpabuf_put_u8(buf, i); 241 } 242 } 243 gas_anqp_set_element_len(buf, len_pos); 244 245 gas_anqp_set_len(buf); 246 } 247 248 249 static struct wpabuf * hs20_build_anqp_req(u32 stypes, const u8 *payload, 250 size_t payload_len) 251 { 252 struct wpabuf *buf; 253 254 buf = gas_anqp_build_initial_req(0, 100 + payload_len); 255 if (buf == NULL) 256 return NULL; 257 258 hs20_put_anqp_req(stypes, payload, payload_len, buf); 259 260 return buf; 261 } 262 263 264 int hs20_anqp_send_req(struct wpa_supplicant *wpa_s, const u8 *dst, u32 stypes, 265 const u8 *payload, size_t payload_len, int inmem) 266 { 267 struct wpabuf *buf; 268 int ret = 0; 269 int freq; 270 struct wpa_bss *bss; 271 int res; 272 struct icon_entry *icon_entry; 273 274 bss = wpa_bss_get_bssid(wpa_s, dst); 275 if (!bss) { 276 wpa_printf(MSG_WARNING, 277 "ANQP: Cannot send query to unknown BSS " 278 MACSTR, MAC2STR(dst)); 279 return -1; 280 } 281 282 wpa_bss_anqp_unshare_alloc(bss); 283 freq = bss->freq; 284 285 wpa_printf(MSG_DEBUG, "HS20: ANQP Query Request to " MACSTR " for " 286 "subtypes 0x%x", MAC2STR(dst), stypes); 287 288 buf = hs20_build_anqp_req(stypes, payload, payload_len); 289 if (buf == NULL) 290 return -1; 291 292 res = gas_query_req(wpa_s->gas, dst, freq, 0, buf, anqp_resp_cb, wpa_s); 293 if (res < 0) { 294 wpa_printf(MSG_DEBUG, "ANQP: Failed to send Query Request"); 295 wpabuf_free(buf); 296 return -1; 297 } else 298 wpa_printf(MSG_DEBUG, "ANQP: Query started with dialog token " 299 "%u", res); 300 301 if (inmem) { 302 icon_entry = os_zalloc(sizeof(struct icon_entry)); 303 if (!icon_entry) 304 return -1; 305 os_memcpy(icon_entry->bssid, dst, ETH_ALEN); 306 icon_entry->file_name = os_malloc(payload_len + 1); 307 if (!icon_entry->file_name) { 308 os_free(icon_entry); 309 return -1; 310 } 311 os_memcpy(icon_entry->file_name, payload, payload_len); 312 icon_entry->file_name[payload_len] = '\0'; 313 icon_entry->dialog_token = res; 314 315 dl_list_add(&wpa_s->icon_head, &icon_entry->list); 316 } 317 318 return ret; 319 } 320 321 322 static struct icon_entry * hs20_find_icon(struct wpa_supplicant *wpa_s, 323 const u8 *bssid, 324 const char *file_name) 325 { 326 struct icon_entry *icon; 327 328 dl_list_for_each(icon, &wpa_s->icon_head, struct icon_entry, list) { 329 if (os_memcmp(icon->bssid, bssid, ETH_ALEN) == 0 && 330 os_strcmp(icon->file_name, file_name) == 0 && icon->image) 331 return icon; 332 } 333 334 return NULL; 335 } 336 337 338 int hs20_get_icon(struct wpa_supplicant *wpa_s, const u8 *bssid, 339 const char *file_name, size_t offset, size_t size, 340 char *reply, size_t buf_len) 341 { 342 struct icon_entry *icon; 343 size_t out_size; 344 unsigned char *b64; 345 size_t b64_size; 346 int reply_size; 347 348 wpa_printf(MSG_DEBUG, "HS20: Get icon " MACSTR " %s @ %u +%u (%u)", 349 MAC2STR(bssid), file_name, (unsigned int) offset, 350 (unsigned int) size, (unsigned int) buf_len); 351 352 icon = hs20_find_icon(wpa_s, bssid, file_name); 353 if (!icon || !icon->image || offset >= icon->image_len) 354 return -1; 355 if (size > icon->image_len - offset) 356 size = icon->image_len - offset; 357 out_size = buf_len - 3 /* max base64 padding */; 358 if (size * 4 > out_size * 3) 359 size = out_size * 3 / 4; 360 if (size == 0) 361 return -1; 362 363 b64 = base64_encode(&icon->image[offset], size, &b64_size); 364 if (b64 && buf_len >= b64_size) { 365 os_memcpy(reply, b64, b64_size); 366 reply_size = b64_size; 367 } else { 368 reply_size = -1; 369 } 370 os_free(b64); 371 return reply_size; 372 } 373 374 375 static void hs20_free_icon_entry(struct icon_entry *icon) 376 { 377 wpa_printf(MSG_DEBUG, "HS20: Free stored icon from " MACSTR 378 " dialog_token=%u file_name=%s image_len=%u", 379 MAC2STR(icon->bssid), icon->dialog_token, 380 icon->file_name ? icon->file_name : "N/A", 381 (unsigned int) icon->image_len); 382 os_free(icon->file_name); 383 os_free(icon->image); 384 os_free(icon); 385 } 386 387 388 int hs20_del_icon(struct wpa_supplicant *wpa_s, const u8 *bssid, 389 const char *file_name) 390 { 391 struct icon_entry *icon, *tmp; 392 int count = 0; 393 394 if (!bssid) 395 wpa_printf(MSG_DEBUG, "HS20: Delete all stored icons"); 396 else if (!file_name) 397 wpa_printf(MSG_DEBUG, "HS20: Delete all stored icons for " 398 MACSTR, MAC2STR(bssid)); 399 else 400 wpa_printf(MSG_DEBUG, "HS20: Delete stored icons for " 401 MACSTR " file name %s", MAC2STR(bssid), file_name); 402 403 dl_list_for_each_safe(icon, tmp, &wpa_s->icon_head, struct icon_entry, 404 list) { 405 if ((!bssid || os_memcmp(icon->bssid, bssid, ETH_ALEN) == 0) && 406 (!file_name || 407 os_strcmp(icon->file_name, file_name) == 0)) { 408 dl_list_del(&icon->list); 409 hs20_free_icon_entry(icon); 410 count++; 411 } 412 } 413 return count == 0 ? -1 : 0; 414 } 415 416 417 static void hs20_set_osu_access_permission(const char *osu_dir, 418 const char *fname) 419 { 420 struct stat statbuf; 421 422 /* Get OSU directory information */ 423 if (stat(osu_dir, &statbuf) < 0) { 424 wpa_printf(MSG_WARNING, "Cannot stat the OSU directory %s", 425 osu_dir); 426 return; 427 } 428 429 if (chmod(fname, statbuf.st_mode) < 0) { 430 wpa_printf(MSG_WARNING, 431 "Cannot change the permissions for %s", fname); 432 return; 433 } 434 435 if (lchown(fname, statbuf.st_uid, statbuf.st_gid) < 0) { 436 wpa_printf(MSG_WARNING, "Cannot change the ownership for %s", 437 fname); 438 } 439 } 440 441 442 static void hs20_remove_duplicate_icons(struct wpa_supplicant *wpa_s, 443 struct icon_entry *new_icon) 444 { 445 struct icon_entry *icon, *tmp; 446 447 dl_list_for_each_safe(icon, tmp, &wpa_s->icon_head, struct icon_entry, 448 list) { 449 if (icon == new_icon) 450 continue; 451 if (os_memcmp(icon->bssid, new_icon->bssid, ETH_ALEN) == 0 && 452 os_strcmp(icon->file_name, new_icon->file_name) == 0) { 453 dl_list_del(&icon->list); 454 hs20_free_icon_entry(icon); 455 } 456 } 457 } 458 459 460 static int hs20_process_icon_binary_file(struct wpa_supplicant *wpa_s, 461 const u8 *sa, const u8 *pos, 462 size_t slen, u8 dialog_token) 463 { 464 char fname[256]; 465 int png; 466 FILE *f; 467 u16 data_len; 468 struct icon_entry *icon; 469 470 dl_list_for_each(icon, &wpa_s->icon_head, struct icon_entry, list) { 471 if (icon->dialog_token == dialog_token && !icon->image && 472 os_memcmp(icon->bssid, sa, ETH_ALEN) == 0) { 473 icon->image = os_memdup(pos, slen); 474 if (!icon->image) 475 return -1; 476 icon->image_len = slen; 477 hs20_remove_duplicate_icons(wpa_s, icon); 478 wpa_msg(wpa_s, MSG_INFO, 479 RX_HS20_ICON MACSTR " %s %u", 480 MAC2STR(sa), icon->file_name, 481 (unsigned int) icon->image_len); 482 wpas_notify_hs20_icon_query_done(wpa_s, sa, 483 icon->file_name, 484 icon->image, 485 icon->image_len); 486 return 0; 487 } 488 } 489 490 wpa_msg(wpa_s, MSG_INFO, RX_HS20_ANQP MACSTR " Icon Binary File", 491 MAC2STR(sa)); 492 493 if (slen < 4) { 494 wpa_dbg(wpa_s, MSG_DEBUG, "HS 2.0: Too short Icon Binary File " 495 "value from " MACSTR, MAC2STR(sa)); 496 return -1; 497 } 498 499 wpa_printf(MSG_DEBUG, "HS 2.0: Download Status Code %u", *pos); 500 if (*pos != 0) 501 return -1; 502 pos++; 503 slen--; 504 505 if ((size_t) 1 + pos[0] > slen) { 506 wpa_dbg(wpa_s, MSG_DEBUG, "HS 2.0: Too short Icon Binary File " 507 "value from " MACSTR, MAC2STR(sa)); 508 return -1; 509 } 510 wpa_hexdump_ascii(MSG_DEBUG, "Icon Type", pos + 1, pos[0]); 511 png = os_strncasecmp((char *) pos + 1, "image/png", 9) == 0; 512 slen -= 1 + pos[0]; 513 pos += 1 + pos[0]; 514 515 if (slen < 2) { 516 wpa_dbg(wpa_s, MSG_DEBUG, "HS 2.0: Too short Icon Binary File " 517 "value from " MACSTR, MAC2STR(sa)); 518 return -1; 519 } 520 data_len = WPA_GET_LE16(pos); 521 pos += 2; 522 slen -= 2; 523 524 if (data_len > slen) { 525 wpa_dbg(wpa_s, MSG_DEBUG, "HS 2.0: Too short Icon Binary File " 526 "value from " MACSTR, MAC2STR(sa)); 527 return -1; 528 } 529 530 wpa_printf(MSG_DEBUG, "Icon Binary Data: %u bytes", data_len); 531 if (wpa_s->conf->osu_dir == NULL) 532 return -1; 533 534 wpa_s->osu_icon_id++; 535 if (wpa_s->osu_icon_id == 0) 536 wpa_s->osu_icon_id++; 537 snprintf(fname, sizeof(fname), "%s/osu-icon-%u.%s", 538 wpa_s->conf->osu_dir, wpa_s->osu_icon_id, 539 png ? "png" : "icon"); 540 f = fopen(fname, "wb"); 541 if (f == NULL) 542 return -1; 543 544 hs20_set_osu_access_permission(wpa_s->conf->osu_dir, fname); 545 546 if (fwrite(pos, slen, 1, f) != 1) { 547 fclose(f); 548 unlink(fname); 549 return -1; 550 } 551 fclose(f); 552 553 wpa_msg(wpa_s, MSG_INFO, RX_HS20_ANQP_ICON "%s", fname); 554 return 0; 555 } 556 557 558 static void hs20_continue_icon_fetch(void *eloop_ctx, void *sock_ctx) 559 { 560 struct wpa_supplicant *wpa_s = eloop_ctx; 561 if (wpa_s->fetch_osu_icon_in_progress) 562 hs20_next_osu_icon(wpa_s); 563 } 564 565 566 static void hs20_osu_icon_fetch_result(struct wpa_supplicant *wpa_s, int res) 567 { 568 size_t i, j; 569 struct os_reltime now, tmp; 570 int dur; 571 572 os_get_reltime(&now); 573 os_reltime_sub(&now, &wpa_s->osu_icon_fetch_start, &tmp); 574 dur = tmp.sec * 1000 + tmp.usec / 1000; 575 wpa_printf(MSG_DEBUG, "HS 2.0: Icon fetch dur=%d ms res=%d", 576 dur, res); 577 578 for (i = 0; i < wpa_s->osu_prov_count; i++) { 579 struct osu_provider *osu = &wpa_s->osu_prov[i]; 580 for (j = 0; j < osu->icon_count; j++) { 581 struct osu_icon *icon = &osu->icon[j]; 582 if (icon->id || icon->failed) 583 continue; 584 if (res < 0) 585 icon->failed = 1; 586 else 587 icon->id = wpa_s->osu_icon_id; 588 return; 589 } 590 } 591 } 592 593 594 void hs20_parse_rx_hs20_anqp_resp(struct wpa_supplicant *wpa_s, 595 struct wpa_bss *bss, const u8 *sa, 596 const u8 *data, size_t slen, u8 dialog_token) 597 { 598 const u8 *pos = data; 599 u8 subtype; 600 struct wpa_bss_anqp *anqp = NULL; 601 int ret; 602 603 if (slen < 2) 604 return; 605 606 if (bss) 607 anqp = bss->anqp; 608 609 subtype = *pos++; 610 slen--; 611 612 pos++; /* Reserved */ 613 slen--; 614 615 switch (subtype) { 616 case HS20_STYPE_CAPABILITY_LIST: 617 wpa_msg(wpa_s, MSG_INFO, RX_HS20_ANQP MACSTR 618 " HS Capability List", MAC2STR(sa)); 619 wpa_hexdump_ascii(MSG_DEBUG, "HS Capability List", pos, slen); 620 if (anqp) { 621 wpabuf_free(anqp->hs20_capability_list); 622 anqp->hs20_capability_list = 623 wpabuf_alloc_copy(pos, slen); 624 } 625 break; 626 case HS20_STYPE_OPERATOR_FRIENDLY_NAME: 627 wpa_msg(wpa_s, MSG_INFO, RX_HS20_ANQP MACSTR 628 " Operator Friendly Name", MAC2STR(sa)); 629 wpa_hexdump_ascii(MSG_DEBUG, "oper friendly name", pos, slen); 630 if (anqp) { 631 wpabuf_free(anqp->hs20_operator_friendly_name); 632 anqp->hs20_operator_friendly_name = 633 wpabuf_alloc_copy(pos, slen); 634 } 635 break; 636 case HS20_STYPE_WAN_METRICS: 637 wpa_hexdump(MSG_DEBUG, "WAN Metrics", pos, slen); 638 if (slen < 13) { 639 wpa_dbg(wpa_s, MSG_DEBUG, "HS 2.0: Too short WAN " 640 "Metrics value from " MACSTR, MAC2STR(sa)); 641 break; 642 } 643 wpa_msg(wpa_s, MSG_INFO, RX_HS20_ANQP MACSTR 644 " WAN Metrics %02x:%u:%u:%u:%u:%u", MAC2STR(sa), 645 pos[0], WPA_GET_LE32(pos + 1), WPA_GET_LE32(pos + 5), 646 pos[9], pos[10], WPA_GET_LE16(pos + 11)); 647 if (anqp) { 648 wpabuf_free(anqp->hs20_wan_metrics); 649 anqp->hs20_wan_metrics = wpabuf_alloc_copy(pos, slen); 650 } 651 break; 652 case HS20_STYPE_CONNECTION_CAPABILITY: 653 wpa_msg(wpa_s, MSG_INFO, RX_HS20_ANQP MACSTR 654 " Connection Capability", MAC2STR(sa)); 655 wpa_hexdump_ascii(MSG_DEBUG, "conn capability", pos, slen); 656 if (anqp) { 657 wpabuf_free(anqp->hs20_connection_capability); 658 anqp->hs20_connection_capability = 659 wpabuf_alloc_copy(pos, slen); 660 } 661 break; 662 case HS20_STYPE_OPERATING_CLASS: 663 wpa_msg(wpa_s, MSG_INFO, RX_HS20_ANQP MACSTR 664 " Operating Class", MAC2STR(sa)); 665 wpa_hexdump_ascii(MSG_DEBUG, "Operating Class", pos, slen); 666 if (anqp) { 667 wpabuf_free(anqp->hs20_operating_class); 668 anqp->hs20_operating_class = 669 wpabuf_alloc_copy(pos, slen); 670 } 671 break; 672 case HS20_STYPE_OSU_PROVIDERS_LIST: 673 wpa_msg(wpa_s, MSG_INFO, RX_HS20_ANQP MACSTR 674 " OSU Providers list", MAC2STR(sa)); 675 wpa_s->num_prov_found++; 676 if (anqp) { 677 wpabuf_free(anqp->hs20_osu_providers_list); 678 anqp->hs20_osu_providers_list = 679 wpabuf_alloc_copy(pos, slen); 680 } 681 break; 682 case HS20_STYPE_ICON_BINARY_FILE: 683 ret = hs20_process_icon_binary_file(wpa_s, sa, pos, slen, 684 dialog_token); 685 if (wpa_s->fetch_osu_icon_in_progress) { 686 hs20_osu_icon_fetch_result(wpa_s, ret); 687 eloop_cancel_timeout(hs20_continue_icon_fetch, 688 wpa_s, NULL); 689 eloop_register_timeout(0, 0, hs20_continue_icon_fetch, 690 wpa_s, NULL); 691 } 692 break; 693 case HS20_STYPE_OPERATOR_ICON_METADATA: 694 wpa_msg(wpa_s, MSG_INFO, RX_HS20_ANQP MACSTR 695 " Operator Icon Metadata", MAC2STR(sa)); 696 wpa_hexdump(MSG_DEBUG, "Operator Icon Metadata", pos, slen); 697 if (anqp) { 698 wpabuf_free(anqp->hs20_operator_icon_metadata); 699 anqp->hs20_operator_icon_metadata = 700 wpabuf_alloc_copy(pos, slen); 701 } 702 break; 703 case HS20_STYPE_OSU_PROVIDERS_NAI_LIST: 704 wpa_msg(wpa_s, MSG_INFO, RX_HS20_ANQP MACSTR 705 " OSU Providers NAI List", MAC2STR(sa)); 706 if (anqp) { 707 wpabuf_free(anqp->hs20_osu_providers_nai_list); 708 anqp->hs20_osu_providers_nai_list = 709 wpabuf_alloc_copy(pos, slen); 710 } 711 break; 712 default: 713 wpa_printf(MSG_DEBUG, "HS20: Unsupported subtype %u", subtype); 714 break; 715 } 716 } 717 718 719 void hs20_notify_parse_done(struct wpa_supplicant *wpa_s) 720 { 721 if (!wpa_s->fetch_osu_icon_in_progress) 722 return; 723 if (eloop_is_timeout_registered(hs20_continue_icon_fetch, wpa_s, NULL)) 724 return; 725 /* 726 * We are going through icon fetch, but no icon response was received. 727 * Assume this means the current AP could not provide an answer to avoid 728 * getting stuck in fetch iteration. 729 */ 730 hs20_icon_fetch_failed(wpa_s); 731 } 732 733 734 static void hs20_free_osu_prov_entry(struct osu_provider *prov) 735 { 736 } 737 738 739 void hs20_free_osu_prov(struct wpa_supplicant *wpa_s) 740 { 741 size_t i; 742 for (i = 0; i < wpa_s->osu_prov_count; i++) 743 hs20_free_osu_prov_entry(&wpa_s->osu_prov[i]); 744 os_free(wpa_s->osu_prov); 745 wpa_s->osu_prov = NULL; 746 wpa_s->osu_prov_count = 0; 747 } 748 749 750 static void hs20_osu_fetch_done(struct wpa_supplicant *wpa_s) 751 { 752 char fname[256]; 753 FILE *f; 754 size_t i, j; 755 756 wpa_s->fetch_osu_info = 0; 757 wpa_s->fetch_osu_icon_in_progress = 0; 758 759 if (wpa_s->conf->osu_dir == NULL) { 760 hs20_free_osu_prov(wpa_s); 761 wpa_s->fetch_anqp_in_progress = 0; 762 return; 763 } 764 765 snprintf(fname, sizeof(fname), "%s/osu-providers.txt", 766 wpa_s->conf->osu_dir); 767 f = fopen(fname, "w"); 768 if (f == NULL) { 769 wpa_msg(wpa_s, MSG_INFO, 770 "Could not write OSU provider information"); 771 hs20_free_osu_prov(wpa_s); 772 wpa_s->fetch_anqp_in_progress = 0; 773 return; 774 } 775 776 hs20_set_osu_access_permission(wpa_s->conf->osu_dir, fname); 777 778 for (i = 0; i < wpa_s->osu_prov_count; i++) { 779 struct osu_provider *osu = &wpa_s->osu_prov[i]; 780 if (i > 0) 781 fprintf(f, "\n"); 782 fprintf(f, "OSU-PROVIDER " MACSTR "\n" 783 "uri=%s\n" 784 "methods=%08x\n", 785 MAC2STR(osu->bssid), osu->server_uri, osu->osu_methods); 786 if (osu->osu_ssid_len) { 787 fprintf(f, "osu_ssid=%s\n", 788 wpa_ssid_txt(osu->osu_ssid, 789 osu->osu_ssid_len)); 790 } 791 if (osu->osu_ssid2_len) { 792 fprintf(f, "osu_ssid2=%s\n", 793 wpa_ssid_txt(osu->osu_ssid2, 794 osu->osu_ssid2_len)); 795 } 796 if (osu->osu_nai[0]) 797 fprintf(f, "osu_nai=%s\n", osu->osu_nai); 798 if (osu->osu_nai2[0]) 799 fprintf(f, "osu_nai2=%s\n", osu->osu_nai2); 800 for (j = 0; j < osu->friendly_name_count; j++) { 801 fprintf(f, "friendly_name=%s:%s\n", 802 osu->friendly_name[j].lang, 803 osu->friendly_name[j].text); 804 } 805 for (j = 0; j < osu->serv_desc_count; j++) { 806 fprintf(f, "desc=%s:%s\n", 807 osu->serv_desc[j].lang, 808 osu->serv_desc[j].text); 809 } 810 for (j = 0; j < osu->icon_count; j++) { 811 struct osu_icon *icon = &osu->icon[j]; 812 if (icon->failed) 813 continue; /* could not fetch icon */ 814 fprintf(f, "icon=%u:%u:%u:%s:%s:%s\n", 815 icon->id, icon->width, icon->height, icon->lang, 816 icon->icon_type, icon->filename); 817 } 818 } 819 fclose(f); 820 hs20_free_osu_prov(wpa_s); 821 822 wpa_msg(wpa_s, MSG_INFO, "OSU provider fetch completed"); 823 wpa_s->fetch_anqp_in_progress = 0; 824 } 825 826 827 void hs20_next_osu_icon(struct wpa_supplicant *wpa_s) 828 { 829 size_t i, j; 830 831 wpa_printf(MSG_DEBUG, "HS 2.0: Ready to fetch next icon"); 832 833 for (i = 0; i < wpa_s->osu_prov_count; i++) { 834 struct osu_provider *osu = &wpa_s->osu_prov[i]; 835 for (j = 0; j < osu->icon_count; j++) { 836 struct osu_icon *icon = &osu->icon[j]; 837 if (icon->id || icon->failed) 838 continue; 839 840 wpa_printf(MSG_DEBUG, "HS 2.0: Try to fetch icon '%s' " 841 "from " MACSTR, icon->filename, 842 MAC2STR(osu->bssid)); 843 os_get_reltime(&wpa_s->osu_icon_fetch_start); 844 if (hs20_anqp_send_req(wpa_s, osu->bssid, 845 BIT(HS20_STYPE_ICON_REQUEST), 846 (u8 *) icon->filename, 847 os_strlen(icon->filename), 848 0) < 0) { 849 icon->failed = 1; 850 continue; 851 } 852 return; 853 } 854 } 855 856 wpa_printf(MSG_DEBUG, "HS 2.0: No more icons to fetch"); 857 hs20_osu_fetch_done(wpa_s); 858 } 859 860 861 static void hs20_osu_add_prov(struct wpa_supplicant *wpa_s, struct wpa_bss *bss, 862 const u8 *osu_ssid, u8 osu_ssid_len, 863 const u8 *osu_ssid2, u8 osu_ssid2_len, 864 const u8 *pos, size_t len) 865 { 866 struct osu_provider *prov; 867 const u8 *end = pos + len; 868 u16 len2; 869 const u8 *pos2; 870 u8 uri_len, osu_method_len, osu_nai_len; 871 872 wpa_hexdump(MSG_DEBUG, "HS 2.0: Parsing OSU Provider", pos, len); 873 prov = os_realloc_array(wpa_s->osu_prov, 874 wpa_s->osu_prov_count + 1, 875 sizeof(*prov)); 876 if (prov == NULL) 877 return; 878 wpa_s->osu_prov = prov; 879 prov = &prov[wpa_s->osu_prov_count]; 880 os_memset(prov, 0, sizeof(*prov)); 881 882 os_memcpy(prov->bssid, bss->bssid, ETH_ALEN); 883 os_memcpy(prov->osu_ssid, osu_ssid, osu_ssid_len); 884 prov->osu_ssid_len = osu_ssid_len; 885 if (osu_ssid2) 886 os_memcpy(prov->osu_ssid2, osu_ssid2, osu_ssid2_len); 887 prov->osu_ssid2_len = osu_ssid2_len; 888 889 /* OSU Friendly Name Length */ 890 if (end - pos < 2) { 891 wpa_printf(MSG_DEBUG, "HS 2.0: Not enough room for OSU " 892 "Friendly Name Length"); 893 return; 894 } 895 len2 = WPA_GET_LE16(pos); 896 pos += 2; 897 if (len2 > end - pos) { 898 wpa_printf(MSG_DEBUG, "HS 2.0: Not enough room for OSU " 899 "Friendly Name Duples"); 900 return; 901 } 902 pos2 = pos; 903 pos += len2; 904 905 /* OSU Friendly Name Duples */ 906 while (pos - pos2 >= 4 && prov->friendly_name_count < OSU_MAX_ITEMS) { 907 struct osu_lang_string *f; 908 if (1 + pos2[0] > pos - pos2 || pos2[0] < 3) { 909 wpa_printf(MSG_DEBUG, "Invalid OSU Friendly Name"); 910 break; 911 } 912 f = &prov->friendly_name[prov->friendly_name_count++]; 913 os_memcpy(f->lang, pos2 + 1, 3); 914 os_memcpy(f->text, pos2 + 1 + 3, pos2[0] - 3); 915 pos2 += 1 + pos2[0]; 916 } 917 918 /* OSU Server URI */ 919 if (end - pos < 1) { 920 wpa_printf(MSG_DEBUG, 921 "HS 2.0: Not enough room for OSU Server URI length"); 922 return; 923 } 924 uri_len = *pos++; 925 if (uri_len > end - pos) { 926 wpa_printf(MSG_DEBUG, "HS 2.0: Not enough room for OSU Server " 927 "URI"); 928 return; 929 } 930 os_memcpy(prov->server_uri, pos, uri_len); 931 pos += uri_len; 932 933 /* OSU Method list */ 934 if (end - pos < 1) { 935 wpa_printf(MSG_DEBUG, "HS 2.0: Not enough room for OSU Method " 936 "list length"); 937 return; 938 } 939 osu_method_len = pos[0]; 940 if (osu_method_len > end - pos - 1) { 941 wpa_printf(MSG_DEBUG, "HS 2.0: Not enough room for OSU Method " 942 "list"); 943 return; 944 } 945 pos2 = pos + 1; 946 pos += 1 + osu_method_len; 947 while (pos2 < pos) { 948 if (*pos2 < 32) 949 prov->osu_methods |= BIT(*pos2); 950 pos2++; 951 } 952 953 /* Icons Available Length */ 954 if (end - pos < 2) { 955 wpa_printf(MSG_DEBUG, "HS 2.0: Not enough room for Icons " 956 "Available Length"); 957 return; 958 } 959 len2 = WPA_GET_LE16(pos); 960 pos += 2; 961 if (len2 > end - pos) { 962 wpa_printf(MSG_DEBUG, "HS 2.0: Not enough room for Icons " 963 "Available"); 964 return; 965 } 966 pos2 = pos; 967 pos += len2; 968 969 /* Icons Available */ 970 while (pos2 < pos) { 971 struct osu_icon *icon = &prov->icon[prov->icon_count]; 972 u8 flen; 973 974 if (2 + 2 + 3 + 1 + 1 > pos - pos2) { 975 wpa_printf(MSG_DEBUG, "HS 2.0: Invalid Icon Metadata"); 976 break; 977 } 978 979 icon->width = WPA_GET_LE16(pos2); 980 pos2 += 2; 981 icon->height = WPA_GET_LE16(pos2); 982 pos2 += 2; 983 os_memcpy(icon->lang, pos2, 3); 984 pos2 += 3; 985 986 flen = *pos2++; 987 if (flen > pos - pos2) { 988 wpa_printf(MSG_DEBUG, "HS 2.0: Not room for Icon Type"); 989 break; 990 } 991 os_memcpy(icon->icon_type, pos2, flen); 992 pos2 += flen; 993 994 if (pos - pos2 < 1) { 995 wpa_printf(MSG_DEBUG, "HS 2.0: Not room for Icon " 996 "Filename length"); 997 break; 998 } 999 flen = *pos2++; 1000 if (flen > pos - pos2) { 1001 wpa_printf(MSG_DEBUG, "HS 2.0: Not room for Icon " 1002 "Filename"); 1003 break; 1004 } 1005 os_memcpy(icon->filename, pos2, flen); 1006 pos2 += flen; 1007 1008 prov->icon_count++; 1009 } 1010 1011 /* OSU_NAI */ 1012 if (end - pos < 1) { 1013 wpa_printf(MSG_DEBUG, "HS 2.0: Not enough room for OSU_NAI"); 1014 return; 1015 } 1016 osu_nai_len = *pos++; 1017 if (osu_nai_len > end - pos) { 1018 wpa_printf(MSG_DEBUG, "HS 2.0: Not enough room for OSU_NAI"); 1019 return; 1020 } 1021 os_memcpy(prov->osu_nai, pos, osu_nai_len); 1022 pos += osu_nai_len; 1023 1024 /* OSU Service Description Length */ 1025 if (end - pos < 2) { 1026 wpa_printf(MSG_DEBUG, "HS 2.0: Not enough room for OSU " 1027 "Service Description Length"); 1028 return; 1029 } 1030 len2 = WPA_GET_LE16(pos); 1031 pos += 2; 1032 if (len2 > end - pos) { 1033 wpa_printf(MSG_DEBUG, "HS 2.0: Not enough room for OSU " 1034 "Service Description Duples"); 1035 return; 1036 } 1037 pos2 = pos; 1038 pos += len2; 1039 1040 /* OSU Service Description Duples */ 1041 while (pos - pos2 >= 4 && prov->serv_desc_count < OSU_MAX_ITEMS) { 1042 struct osu_lang_string *f; 1043 u8 descr_len; 1044 1045 descr_len = *pos2++; 1046 if (descr_len > pos - pos2 || descr_len < 3) { 1047 wpa_printf(MSG_DEBUG, "Invalid OSU Service " 1048 "Description"); 1049 break; 1050 } 1051 f = &prov->serv_desc[prov->serv_desc_count++]; 1052 os_memcpy(f->lang, pos2, 3); 1053 os_memcpy(f->text, pos2 + 3, descr_len - 3); 1054 pos2 += descr_len; 1055 } 1056 1057 wpa_printf(MSG_DEBUG, "HS 2.0: Added OSU Provider through " MACSTR, 1058 MAC2STR(bss->bssid)); 1059 wpa_s->osu_prov_count++; 1060 } 1061 1062 1063 void hs20_osu_icon_fetch(struct wpa_supplicant *wpa_s) 1064 { 1065 struct wpa_bss *bss; 1066 struct wpabuf *prov_anqp; 1067 const u8 *pos, *end; 1068 u16 len; 1069 const u8 *osu_ssid, *osu_ssid2; 1070 u8 osu_ssid_len, osu_ssid2_len; 1071 u8 num_providers; 1072 1073 hs20_free_osu_prov(wpa_s); 1074 1075 dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) { 1076 struct wpa_ie_data data; 1077 const u8 *ie; 1078 1079 if (bss->anqp == NULL) 1080 continue; 1081 prov_anqp = bss->anqp->hs20_osu_providers_list; 1082 if (prov_anqp == NULL) 1083 continue; 1084 ie = wpa_bss_get_ie(bss, WLAN_EID_RSN); 1085 if (ie && wpa_parse_wpa_ie(ie, 2 + ie[1], &data) == 0 && 1086 (data.key_mgmt & WPA_KEY_MGMT_OSEN)) { 1087 osu_ssid2 = bss->ssid; 1088 osu_ssid2_len = bss->ssid_len; 1089 } else { 1090 osu_ssid2 = NULL; 1091 osu_ssid2_len = 0; 1092 } 1093 wpa_printf(MSG_DEBUG, "HS 2.0: Parsing OSU Providers list from " 1094 MACSTR, MAC2STR(bss->bssid)); 1095 wpa_hexdump_buf(MSG_DEBUG, "HS 2.0: OSU Providers list", 1096 prov_anqp); 1097 pos = wpabuf_head(prov_anqp); 1098 end = pos + wpabuf_len(prov_anqp); 1099 1100 /* OSU SSID */ 1101 if (end - pos < 1) 1102 continue; 1103 if (1 + pos[0] > end - pos) { 1104 wpa_printf(MSG_DEBUG, "HS 2.0: Not enough room for " 1105 "OSU SSID"); 1106 continue; 1107 } 1108 osu_ssid_len = *pos++; 1109 if (osu_ssid_len > SSID_MAX_LEN) { 1110 wpa_printf(MSG_DEBUG, "HS 2.0: Invalid OSU SSID " 1111 "Length %u", osu_ssid_len); 1112 continue; 1113 } 1114 osu_ssid = pos; 1115 pos += osu_ssid_len; 1116 1117 if (end - pos < 1) { 1118 wpa_printf(MSG_DEBUG, "HS 2.0: Not enough room for " 1119 "Number of OSU Providers"); 1120 continue; 1121 } 1122 num_providers = *pos++; 1123 wpa_printf(MSG_DEBUG, "HS 2.0: Number of OSU Providers: %u", 1124 num_providers); 1125 1126 /* OSU Providers */ 1127 while (end - pos > 2 && num_providers > 0) { 1128 num_providers--; 1129 len = WPA_GET_LE16(pos); 1130 pos += 2; 1131 if (len > (unsigned int) (end - pos)) 1132 break; 1133 hs20_osu_add_prov(wpa_s, bss, osu_ssid, 1134 osu_ssid_len, osu_ssid2, 1135 osu_ssid2_len, pos, len); 1136 pos += len; 1137 } 1138 1139 if (pos != end) { 1140 wpa_printf(MSG_DEBUG, "HS 2.0: Ignored %d bytes of " 1141 "extra data after OSU Providers", 1142 (int) (end - pos)); 1143 } 1144 1145 prov_anqp = bss->anqp->hs20_osu_providers_nai_list; 1146 if (!prov_anqp) 1147 continue; 1148 wpa_printf(MSG_DEBUG, 1149 "HS 2.0: Parsing OSU Providers NAI List from " 1150 MACSTR, MAC2STR(bss->bssid)); 1151 wpa_hexdump_buf(MSG_DEBUG, "HS 2.0: OSU Providers NAI List", 1152 prov_anqp); 1153 pos = wpabuf_head(prov_anqp); 1154 end = pos + wpabuf_len(prov_anqp); 1155 num_providers = 0; 1156 while (end - pos > 0) { 1157 len = *pos++; 1158 if (end - pos < len) { 1159 wpa_printf(MSG_DEBUG, 1160 "HS 2.0: Not enough room for OSU_NAI"); 1161 break; 1162 } 1163 if (num_providers >= wpa_s->osu_prov_count) { 1164 wpa_printf(MSG_DEBUG, 1165 "HS 2.0: Ignore unexpected OSU Provider NAI List entries"); 1166 break; 1167 } 1168 os_memcpy(wpa_s->osu_prov[num_providers].osu_nai2, 1169 pos, len); 1170 pos += len; 1171 num_providers++; 1172 } 1173 } 1174 1175 wpa_s->fetch_osu_icon_in_progress = 1; 1176 hs20_next_osu_icon(wpa_s); 1177 } 1178 1179 1180 static void hs20_osu_scan_res_handler(struct wpa_supplicant *wpa_s, 1181 struct wpa_scan_results *scan_res) 1182 { 1183 wpa_printf(MSG_DEBUG, "OSU provisioning fetch scan completed"); 1184 if (!wpa_s->fetch_osu_waiting_scan) { 1185 wpa_printf(MSG_DEBUG, "OSU fetch have been canceled"); 1186 return; 1187 } 1188 wpa_s->network_select = 0; 1189 wpa_s->fetch_all_anqp = 1; 1190 wpa_s->fetch_osu_info = 1; 1191 wpa_s->fetch_osu_icon_in_progress = 0; 1192 1193 interworking_start_fetch_anqp(wpa_s); 1194 } 1195 1196 1197 int hs20_fetch_osu(struct wpa_supplicant *wpa_s, int skip_scan) 1198 { 1199 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) { 1200 wpa_printf(MSG_DEBUG, "HS 2.0: Cannot start fetch_osu - " 1201 "interface disabled"); 1202 return -1; 1203 } 1204 1205 if (wpa_s->scanning) { 1206 wpa_printf(MSG_DEBUG, "HS 2.0: Cannot start fetch_osu - " 1207 "scanning"); 1208 return -1; 1209 } 1210 1211 if (wpa_s->conf->osu_dir == NULL) { 1212 wpa_printf(MSG_DEBUG, "HS 2.0: Cannot start fetch_osu - " 1213 "osu_dir not configured"); 1214 return -1; 1215 } 1216 1217 if (wpa_s->fetch_anqp_in_progress || wpa_s->network_select) { 1218 wpa_printf(MSG_DEBUG, "HS 2.0: Cannot start fetch_osu - " 1219 "fetch in progress (%d, %d)", 1220 wpa_s->fetch_anqp_in_progress, 1221 wpa_s->network_select); 1222 return -1; 1223 } 1224 1225 wpa_msg(wpa_s, MSG_INFO, "Starting OSU provisioning information fetch"); 1226 wpa_s->num_osu_scans = 0; 1227 wpa_s->num_prov_found = 0; 1228 if (skip_scan) { 1229 wpa_s->network_select = 0; 1230 wpa_s->fetch_all_anqp = 1; 1231 wpa_s->fetch_osu_info = 1; 1232 wpa_s->fetch_osu_icon_in_progress = 0; 1233 1234 interworking_start_fetch_anqp(wpa_s); 1235 } else { 1236 hs20_start_osu_scan(wpa_s); 1237 } 1238 1239 return 0; 1240 } 1241 1242 1243 void hs20_start_osu_scan(struct wpa_supplicant *wpa_s) 1244 { 1245 wpa_s->fetch_osu_waiting_scan = 1; 1246 wpa_s->num_osu_scans++; 1247 wpa_s->scan_req = MANUAL_SCAN_REQ; 1248 wpa_s->scan_res_handler = hs20_osu_scan_res_handler; 1249 wpa_supplicant_req_scan(wpa_s, 0, 0); 1250 } 1251 1252 1253 void hs20_cancel_fetch_osu(struct wpa_supplicant *wpa_s) 1254 { 1255 wpa_printf(MSG_DEBUG, "Cancel OSU fetch"); 1256 interworking_stop_fetch_anqp(wpa_s); 1257 wpa_s->fetch_osu_waiting_scan = 0; 1258 wpa_s->network_select = 0; 1259 wpa_s->fetch_osu_info = 0; 1260 wpa_s->fetch_osu_icon_in_progress = 0; 1261 } 1262 1263 1264 void hs20_icon_fetch_failed(struct wpa_supplicant *wpa_s) 1265 { 1266 hs20_osu_icon_fetch_result(wpa_s, -1); 1267 eloop_cancel_timeout(hs20_continue_icon_fetch, wpa_s, NULL); 1268 eloop_register_timeout(0, 0, hs20_continue_icon_fetch, wpa_s, NULL); 1269 } 1270 1271 1272 void hs20_rx_subscription_remediation(struct wpa_supplicant *wpa_s, 1273 const char *url, u8 osu_method) 1274 { 1275 if (url) 1276 wpa_msg(wpa_s, MSG_INFO, HS20_SUBSCRIPTION_REMEDIATION "%u %s", 1277 osu_method, url); 1278 else 1279 wpa_msg(wpa_s, MSG_INFO, HS20_SUBSCRIPTION_REMEDIATION); 1280 wpas_notify_hs20_rx_subscription_remediation(wpa_s, url, osu_method); 1281 } 1282 1283 1284 void hs20_rx_deauth_imminent_notice(struct wpa_supplicant *wpa_s, u8 code, 1285 u16 reauth_delay, const char *url) 1286 { 1287 if (!wpa_sm_pmf_enabled(wpa_s->wpa)) { 1288 wpa_printf(MSG_DEBUG, "HS 2.0: Ignore deauthentication imminent notice since PMF was not enabled"); 1289 return; 1290 } 1291 1292 wpa_msg(wpa_s, MSG_INFO, HS20_DEAUTH_IMMINENT_NOTICE "%u %u %s", 1293 code, reauth_delay, url); 1294 wpas_notify_hs20_rx_deauth_imminent_notice(wpa_s, code, reauth_delay, url); 1295 1296 if (code == HS20_DEAUTH_REASON_CODE_BSS) { 1297 wpa_printf(MSG_DEBUG, "HS 2.0: Add BSS to blacklist"); 1298 wpa_blacklist_add(wpa_s, wpa_s->bssid); 1299 /* TODO: For now, disable full ESS since some drivers may not 1300 * support disabling per BSS. */ 1301 if (wpa_s->current_ssid) { 1302 struct os_reltime now; 1303 os_get_reltime(&now); 1304 if (now.sec + reauth_delay <= 1305 wpa_s->current_ssid->disabled_until.sec) 1306 return; 1307 wpa_printf(MSG_DEBUG, "HS 2.0: Disable network for %u seconds (BSS)", 1308 reauth_delay); 1309 wpa_s->current_ssid->disabled_until.sec = 1310 now.sec + reauth_delay; 1311 } 1312 } 1313 1314 if (code == HS20_DEAUTH_REASON_CODE_ESS && wpa_s->current_ssid) { 1315 struct os_reltime now; 1316 os_get_reltime(&now); 1317 if (now.sec + reauth_delay <= 1318 wpa_s->current_ssid->disabled_until.sec) 1319 return; 1320 wpa_printf(MSG_DEBUG, "HS 2.0: Disable network for %u seconds", 1321 reauth_delay); 1322 wpa_s->current_ssid->disabled_until.sec = 1323 now.sec + reauth_delay; 1324 } 1325 } 1326 1327 1328 void hs20_rx_t_c_acceptance(struct wpa_supplicant *wpa_s, const char *url) 1329 { 1330 if (!wpa_sm_pmf_enabled(wpa_s->wpa)) { 1331 wpa_printf(MSG_DEBUG, 1332 "HS 2.0: Ignore Terms and Conditions Acceptance since PMF was not enabled"); 1333 return; 1334 } 1335 1336 wpa_msg(wpa_s, MSG_INFO, HS20_T_C_ACCEPTANCE "%s", url); 1337 } 1338 1339 1340 void hs20_init(struct wpa_supplicant *wpa_s) 1341 { 1342 dl_list_init(&wpa_s->icon_head); 1343 } 1344 1345 1346 void hs20_deinit(struct wpa_supplicant *wpa_s) 1347 { 1348 eloop_cancel_timeout(hs20_continue_icon_fetch, wpa_s, NULL); 1349 hs20_free_osu_prov(wpa_s); 1350 if (wpa_s->icon_head.next) 1351 hs20_del_icon(wpa_s, NULL, NULL); 1352 } 1353
