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