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 "bssid_ignore.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, 0, buf, anqp_resp_cb, 292 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 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 return 0; 483 } 484 } 485 486 wpa_msg(wpa_s, MSG_INFO, RX_HS20_ANQP MACSTR " Icon Binary File", 487 MAC2STR(sa)); 488 489 if (slen < 4) { 490 wpa_dbg(wpa_s, MSG_DEBUG, "HS 2.0: Too short Icon Binary File " 491 "value from " MACSTR, MAC2STR(sa)); 492 return -1; 493 } 494 495 wpa_printf(MSG_DEBUG, "HS 2.0: Download Status Code %u", *pos); 496 if (*pos != 0) 497 return -1; 498 pos++; 499 slen--; 500 501 if ((size_t) 1 + pos[0] > slen) { 502 wpa_dbg(wpa_s, MSG_DEBUG, "HS 2.0: Too short Icon Binary File " 503 "value from " MACSTR, MAC2STR(sa)); 504 return -1; 505 } 506 wpa_hexdump_ascii(MSG_DEBUG, "Icon Type", pos + 1, pos[0]); 507 png = os_strncasecmp((char *) pos + 1, "image/png", 9) == 0; 508 slen -= 1 + pos[0]; 509 pos += 1 + pos[0]; 510 511 if (slen < 2) { 512 wpa_dbg(wpa_s, MSG_DEBUG, "HS 2.0: Too short Icon Binary File " 513 "value from " MACSTR, MAC2STR(sa)); 514 return -1; 515 } 516 data_len = WPA_GET_LE16(pos); 517 pos += 2; 518 slen -= 2; 519 520 if (data_len > slen) { 521 wpa_dbg(wpa_s, MSG_DEBUG, "HS 2.0: Too short Icon Binary File " 522 "value from " MACSTR, MAC2STR(sa)); 523 return -1; 524 } 525 526 wpa_printf(MSG_DEBUG, "Icon Binary Data: %u bytes", data_len); 527 if (wpa_s->conf->osu_dir == NULL) 528 return -1; 529 530 wpa_s->osu_icon_id++; 531 if (wpa_s->osu_icon_id == 0) 532 wpa_s->osu_icon_id++; 533 snprintf(fname, sizeof(fname), "%s/osu-icon-%u.%s", 534 wpa_s->conf->osu_dir, wpa_s->osu_icon_id, 535 png ? "png" : "icon"); 536 f = fopen(fname, "wb"); 537 if (f == NULL) 538 return -1; 539 540 hs20_set_osu_access_permission(wpa_s->conf->osu_dir, fname); 541 542 if (fwrite(pos, slen, 1, f) != 1) { 543 fclose(f); 544 unlink(fname); 545 return -1; 546 } 547 fclose(f); 548 549 wpa_msg(wpa_s, MSG_INFO, RX_HS20_ANQP_ICON "%s", fname); 550 return 0; 551 } 552 553 554 static void hs20_continue_icon_fetch(void *eloop_ctx, void *sock_ctx) 555 { 556 struct wpa_supplicant *wpa_s = eloop_ctx; 557 if (wpa_s->fetch_osu_icon_in_progress) 558 hs20_next_osu_icon(wpa_s); 559 } 560 561 562 static void hs20_osu_icon_fetch_result(struct wpa_supplicant *wpa_s, int res) 563 { 564 size_t i, j; 565 struct os_reltime now, tmp; 566 int dur; 567 568 os_get_reltime(&now); 569 os_reltime_sub(&now, &wpa_s->osu_icon_fetch_start, &tmp); 570 dur = tmp.sec * 1000 + tmp.usec / 1000; 571 wpa_printf(MSG_DEBUG, "HS 2.0: Icon fetch dur=%d ms res=%d", 572 dur, res); 573 574 for (i = 0; i < wpa_s->osu_prov_count; i++) { 575 struct osu_provider *osu = &wpa_s->osu_prov[i]; 576 for (j = 0; j < osu->icon_count; j++) { 577 struct osu_icon *icon = &osu->icon[j]; 578 if (icon->id || icon->failed) 579 continue; 580 if (res < 0) 581 icon->failed = 1; 582 else 583 icon->id = wpa_s->osu_icon_id; 584 return; 585 } 586 } 587 } 588 589 590 void hs20_parse_rx_hs20_anqp_resp(struct wpa_supplicant *wpa_s, 591 struct wpa_bss *bss, const u8 *sa, 592 const u8 *data, size_t slen, u8 dialog_token) 593 { 594 const u8 *pos = data; 595 u8 subtype; 596 struct wpa_bss_anqp *anqp = NULL; 597 int ret; 598 599 if (slen < 2) 600 return; 601 602 if (bss) 603 anqp = bss->anqp; 604 605 subtype = *pos++; 606 slen--; 607 608 pos++; /* Reserved */ 609 slen--; 610 611 switch (subtype) { 612 case HS20_STYPE_CAPABILITY_LIST: 613 wpa_msg(wpa_s, MSG_INFO, RX_HS20_ANQP MACSTR 614 " HS Capability List", MAC2STR(sa)); 615 wpa_hexdump_ascii(MSG_DEBUG, "HS Capability List", pos, slen); 616 if (anqp) { 617 wpabuf_free(anqp->hs20_capability_list); 618 anqp->hs20_capability_list = 619 wpabuf_alloc_copy(pos, slen); 620 } 621 break; 622 case HS20_STYPE_OPERATOR_FRIENDLY_NAME: 623 wpa_msg(wpa_s, MSG_INFO, RX_HS20_ANQP MACSTR 624 " Operator Friendly Name", MAC2STR(sa)); 625 wpa_hexdump_ascii(MSG_DEBUG, "oper friendly name", pos, slen); 626 if (anqp) { 627 wpabuf_free(anqp->hs20_operator_friendly_name); 628 anqp->hs20_operator_friendly_name = 629 wpabuf_alloc_copy(pos, slen); 630 } 631 break; 632 case HS20_STYPE_WAN_METRICS: 633 wpa_hexdump(MSG_DEBUG, "WAN Metrics", pos, slen); 634 if (slen < 13) { 635 wpa_dbg(wpa_s, MSG_DEBUG, "HS 2.0: Too short WAN " 636 "Metrics value from " MACSTR, MAC2STR(sa)); 637 break; 638 } 639 wpa_msg(wpa_s, MSG_INFO, RX_HS20_ANQP MACSTR 640 " WAN Metrics %02x:%u:%u:%u:%u:%u", MAC2STR(sa), 641 pos[0], WPA_GET_LE32(pos + 1), WPA_GET_LE32(pos + 5), 642 pos[9], pos[10], WPA_GET_LE16(pos + 11)); 643 if (anqp) { 644 wpabuf_free(anqp->hs20_wan_metrics); 645 anqp->hs20_wan_metrics = wpabuf_alloc_copy(pos, slen); 646 } 647 break; 648 case HS20_STYPE_CONNECTION_CAPABILITY: 649 wpa_msg(wpa_s, MSG_INFO, RX_HS20_ANQP MACSTR 650 " Connection Capability", MAC2STR(sa)); 651 wpa_hexdump_ascii(MSG_DEBUG, "conn capability", pos, slen); 652 if (anqp) { 653 wpabuf_free(anqp->hs20_connection_capability); 654 anqp->hs20_connection_capability = 655 wpabuf_alloc_copy(pos, slen); 656 } 657 break; 658 case HS20_STYPE_OPERATING_CLASS: 659 wpa_msg(wpa_s, MSG_INFO, RX_HS20_ANQP MACSTR 660 " Operating Class", MAC2STR(sa)); 661 wpa_hexdump_ascii(MSG_DEBUG, "Operating Class", pos, slen); 662 if (anqp) { 663 wpabuf_free(anqp->hs20_operating_class); 664 anqp->hs20_operating_class = 665 wpabuf_alloc_copy(pos, slen); 666 } 667 break; 668 case HS20_STYPE_OSU_PROVIDERS_LIST: 669 wpa_msg(wpa_s, MSG_INFO, RX_HS20_ANQP MACSTR 670 " OSU Providers list", MAC2STR(sa)); 671 wpa_s->num_prov_found++; 672 if (anqp) { 673 wpabuf_free(anqp->hs20_osu_providers_list); 674 anqp->hs20_osu_providers_list = 675 wpabuf_alloc_copy(pos, slen); 676 } 677 break; 678 case HS20_STYPE_ICON_BINARY_FILE: 679 ret = hs20_process_icon_binary_file(wpa_s, sa, pos, slen, 680 dialog_token); 681 if (wpa_s->fetch_osu_icon_in_progress) { 682 hs20_osu_icon_fetch_result(wpa_s, ret); 683 eloop_cancel_timeout(hs20_continue_icon_fetch, 684 wpa_s, NULL); 685 eloop_register_timeout(0, 0, hs20_continue_icon_fetch, 686 wpa_s, NULL); 687 } 688 break; 689 case HS20_STYPE_OPERATOR_ICON_METADATA: 690 wpa_msg(wpa_s, MSG_INFO, RX_HS20_ANQP MACSTR 691 " Operator Icon Metadata", MAC2STR(sa)); 692 wpa_hexdump(MSG_DEBUG, "Operator Icon Metadata", pos, slen); 693 if (anqp) { 694 wpabuf_free(anqp->hs20_operator_icon_metadata); 695 anqp->hs20_operator_icon_metadata = 696 wpabuf_alloc_copy(pos, slen); 697 } 698 break; 699 case HS20_STYPE_OSU_PROVIDERS_NAI_LIST: 700 wpa_msg(wpa_s, MSG_INFO, RX_HS20_ANQP MACSTR 701 " OSU Providers NAI List", MAC2STR(sa)); 702 if (anqp) { 703 wpabuf_free(anqp->hs20_osu_providers_nai_list); 704 anqp->hs20_osu_providers_nai_list = 705 wpabuf_alloc_copy(pos, slen); 706 } 707 break; 708 default: 709 wpa_printf(MSG_DEBUG, "HS20: Unsupported subtype %u", subtype); 710 break; 711 } 712 } 713 714 715 void hs20_notify_parse_done(struct wpa_supplicant *wpa_s) 716 { 717 if (!wpa_s->fetch_osu_icon_in_progress) 718 return; 719 if (eloop_is_timeout_registered(hs20_continue_icon_fetch, wpa_s, NULL)) 720 return; 721 /* 722 * We are going through icon fetch, but no icon response was received. 723 * Assume this means the current AP could not provide an answer to avoid 724 * getting stuck in fetch iteration. 725 */ 726 hs20_icon_fetch_failed(wpa_s); 727 } 728 729 730 static void hs20_free_osu_prov_entry(struct osu_provider *prov) 731 { 732 } 733 734 735 void hs20_free_osu_prov(struct wpa_supplicant *wpa_s) 736 { 737 size_t i; 738 for (i = 0; i < wpa_s->osu_prov_count; i++) 739 hs20_free_osu_prov_entry(&wpa_s->osu_prov[i]); 740 os_free(wpa_s->osu_prov); 741 wpa_s->osu_prov = NULL; 742 wpa_s->osu_prov_count = 0; 743 } 744 745 746 static void hs20_osu_fetch_done(struct wpa_supplicant *wpa_s) 747 { 748 char fname[256]; 749 FILE *f; 750 size_t i, j; 751 752 wpa_s->fetch_osu_info = 0; 753 wpa_s->fetch_osu_icon_in_progress = 0; 754 755 if (wpa_s->conf->osu_dir == NULL) { 756 hs20_free_osu_prov(wpa_s); 757 wpa_s->fetch_anqp_in_progress = 0; 758 return; 759 } 760 761 snprintf(fname, sizeof(fname), "%s/osu-providers.txt", 762 wpa_s->conf->osu_dir); 763 f = fopen(fname, "w"); 764 if (f == NULL) { 765 wpa_msg(wpa_s, MSG_INFO, 766 "Could not write OSU provider information"); 767 hs20_free_osu_prov(wpa_s); 768 wpa_s->fetch_anqp_in_progress = 0; 769 return; 770 } 771 772 hs20_set_osu_access_permission(wpa_s->conf->osu_dir, fname); 773 774 for (i = 0; i < wpa_s->osu_prov_count; i++) { 775 struct osu_provider *osu = &wpa_s->osu_prov[i]; 776 if (i > 0) 777 fprintf(f, "\n"); 778 fprintf(f, "OSU-PROVIDER " MACSTR "\n" 779 "uri=%s\n" 780 "methods=%08x\n", 781 MAC2STR(osu->bssid), osu->server_uri, osu->osu_methods); 782 if (osu->osu_ssid_len) { 783 fprintf(f, "osu_ssid=%s\n", 784 wpa_ssid_txt(osu->osu_ssid, 785 osu->osu_ssid_len)); 786 } 787 if (osu->osu_ssid2_len) { 788 fprintf(f, "osu_ssid2=%s\n", 789 wpa_ssid_txt(osu->osu_ssid2, 790 osu->osu_ssid2_len)); 791 } 792 if (osu->osu_nai[0]) 793 fprintf(f, "osu_nai=%s\n", osu->osu_nai); 794 if (osu->osu_nai2[0]) 795 fprintf(f, "osu_nai2=%s\n", osu->osu_nai2); 796 for (j = 0; j < osu->friendly_name_count; j++) { 797 fprintf(f, "friendly_name=%s:%s\n", 798 osu->friendly_name[j].lang, 799 osu->friendly_name[j].text); 800 } 801 for (j = 0; j < osu->serv_desc_count; j++) { 802 fprintf(f, "desc=%s:%s\n", 803 osu->serv_desc[j].lang, 804 osu->serv_desc[j].text); 805 } 806 for (j = 0; j < osu->icon_count; j++) { 807 struct osu_icon *icon = &osu->icon[j]; 808 if (icon->failed) 809 continue; /* could not fetch icon */ 810 fprintf(f, "icon=%u:%u:%u:%s:%s:%s\n", 811 icon->id, icon->width, icon->height, icon->lang, 812 icon->icon_type, icon->filename); 813 } 814 } 815 fclose(f); 816 hs20_free_osu_prov(wpa_s); 817 818 wpa_msg(wpa_s, MSG_INFO, "OSU provider fetch completed"); 819 wpa_s->fetch_anqp_in_progress = 0; 820 } 821 822 823 void hs20_next_osu_icon(struct wpa_supplicant *wpa_s) 824 { 825 size_t i, j; 826 827 wpa_printf(MSG_DEBUG, "HS 2.0: Ready to fetch next icon"); 828 829 for (i = 0; i < wpa_s->osu_prov_count; i++) { 830 struct osu_provider *osu = &wpa_s->osu_prov[i]; 831 for (j = 0; j < osu->icon_count; j++) { 832 struct osu_icon *icon = &osu->icon[j]; 833 if (icon->id || icon->failed) 834 continue; 835 836 wpa_printf(MSG_DEBUG, "HS 2.0: Try to fetch icon '%s' " 837 "from " MACSTR, icon->filename, 838 MAC2STR(osu->bssid)); 839 os_get_reltime(&wpa_s->osu_icon_fetch_start); 840 if (hs20_anqp_send_req(wpa_s, osu->bssid, 841 BIT(HS20_STYPE_ICON_REQUEST), 842 (u8 *) icon->filename, 843 os_strlen(icon->filename), 844 0) < 0) { 845 icon->failed = 1; 846 continue; 847 } 848 return; 849 } 850 } 851 852 wpa_printf(MSG_DEBUG, "HS 2.0: No more icons to fetch"); 853 hs20_osu_fetch_done(wpa_s); 854 } 855 856 857 static void hs20_osu_add_prov(struct wpa_supplicant *wpa_s, struct wpa_bss *bss, 858 const u8 *osu_ssid, u8 osu_ssid_len, 859 const u8 *osu_ssid2, u8 osu_ssid2_len, 860 const u8 *pos, size_t len) 861 { 862 struct osu_provider *prov; 863 const u8 *end = pos + len; 864 u16 len2; 865 const u8 *pos2; 866 u8 uri_len, osu_method_len, osu_nai_len; 867 868 wpa_hexdump(MSG_DEBUG, "HS 2.0: Parsing OSU Provider", pos, len); 869 prov = os_realloc_array(wpa_s->osu_prov, 870 wpa_s->osu_prov_count + 1, 871 sizeof(*prov)); 872 if (prov == NULL) 873 return; 874 wpa_s->osu_prov = prov; 875 prov = &prov[wpa_s->osu_prov_count]; 876 os_memset(prov, 0, sizeof(*prov)); 877 878 os_memcpy(prov->bssid, bss->bssid, ETH_ALEN); 879 os_memcpy(prov->osu_ssid, osu_ssid, osu_ssid_len); 880 prov->osu_ssid_len = osu_ssid_len; 881 if (osu_ssid2) 882 os_memcpy(prov->osu_ssid2, osu_ssid2, osu_ssid2_len); 883 prov->osu_ssid2_len = osu_ssid2_len; 884 885 /* OSU Friendly Name Length */ 886 if (end - pos < 2) { 887 wpa_printf(MSG_DEBUG, "HS 2.0: Not enough room for OSU " 888 "Friendly Name Length"); 889 return; 890 } 891 len2 = WPA_GET_LE16(pos); 892 pos += 2; 893 if (len2 > end - pos) { 894 wpa_printf(MSG_DEBUG, "HS 2.0: Not enough room for OSU " 895 "Friendly Name Duples"); 896 return; 897 } 898 pos2 = pos; 899 pos += len2; 900 901 /* OSU Friendly Name Duples */ 902 while (pos - pos2 >= 4 && prov->friendly_name_count < OSU_MAX_ITEMS) { 903 struct osu_lang_string *f; 904 u8 slen; 905 906 slen = pos2[0]; 907 if (1 + slen > pos - pos2) { 908 wpa_printf(MSG_DEBUG, "Invalid OSU Friendly Name"); 909 break; 910 } 911 if (slen < 3) { 912 wpa_printf(MSG_DEBUG, 913 "Invalid OSU Friendly Name (no room for language)"); 914 break; 915 } 916 f = &prov->friendly_name[prov->friendly_name_count++]; 917 pos2++; 918 os_memcpy(f->lang, pos2, 3); 919 pos2 += 3; 920 slen -= 3; 921 os_memcpy(f->text, pos2, slen); 922 pos2 += slen; 923 } 924 925 /* OSU Server URI */ 926 if (end - pos < 1) { 927 wpa_printf(MSG_DEBUG, 928 "HS 2.0: Not enough room for OSU Server URI length"); 929 return; 930 } 931 uri_len = *pos++; 932 if (uri_len > end - pos) { 933 wpa_printf(MSG_DEBUG, "HS 2.0: Not enough room for OSU Server " 934 "URI"); 935 return; 936 } 937 os_memcpy(prov->server_uri, pos, uri_len); 938 pos += uri_len; 939 940 /* OSU Method list */ 941 if (end - pos < 1) { 942 wpa_printf(MSG_DEBUG, "HS 2.0: Not enough room for OSU Method " 943 "list length"); 944 return; 945 } 946 osu_method_len = pos[0]; 947 if (osu_method_len > end - pos - 1) { 948 wpa_printf(MSG_DEBUG, "HS 2.0: Not enough room for OSU Method " 949 "list"); 950 return; 951 } 952 pos2 = pos + 1; 953 pos += 1 + osu_method_len; 954 while (pos2 < pos) { 955 if (*pos2 < 32) 956 prov->osu_methods |= BIT(*pos2); 957 pos2++; 958 } 959 960 /* Icons Available Length */ 961 if (end - pos < 2) { 962 wpa_printf(MSG_DEBUG, "HS 2.0: Not enough room for Icons " 963 "Available Length"); 964 return; 965 } 966 len2 = WPA_GET_LE16(pos); 967 pos += 2; 968 if (len2 > end - pos) { 969 wpa_printf(MSG_DEBUG, "HS 2.0: Not enough room for Icons " 970 "Available"); 971 return; 972 } 973 pos2 = pos; 974 pos += len2; 975 976 /* Icons Available */ 977 while (pos2 < pos) { 978 struct osu_icon *icon = &prov->icon[prov->icon_count]; 979 u8 flen; 980 981 if (2 + 2 + 3 + 1 + 1 > pos - pos2) { 982 wpa_printf(MSG_DEBUG, "HS 2.0: Invalid Icon Metadata"); 983 break; 984 } 985 986 icon->width = WPA_GET_LE16(pos2); 987 pos2 += 2; 988 icon->height = WPA_GET_LE16(pos2); 989 pos2 += 2; 990 os_memcpy(icon->lang, pos2, 3); 991 pos2 += 3; 992 993 flen = *pos2++; 994 if (flen > pos - pos2) { 995 wpa_printf(MSG_DEBUG, "HS 2.0: Not room for Icon Type"); 996 break; 997 } 998 os_memcpy(icon->icon_type, pos2, flen); 999 pos2 += flen; 1000 1001 if (pos - pos2 < 1) { 1002 wpa_printf(MSG_DEBUG, "HS 2.0: Not room for Icon " 1003 "Filename length"); 1004 break; 1005 } 1006 flen = *pos2++; 1007 if (flen > pos - pos2) { 1008 wpa_printf(MSG_DEBUG, "HS 2.0: Not room for Icon " 1009 "Filename"); 1010 break; 1011 } 1012 os_memcpy(icon->filename, pos2, flen); 1013 pos2 += flen; 1014 1015 prov->icon_count++; 1016 } 1017 1018 /* OSU_NAI */ 1019 if (end - pos < 1) { 1020 wpa_printf(MSG_DEBUG, "HS 2.0: Not enough room for OSU_NAI"); 1021 return; 1022 } 1023 osu_nai_len = *pos++; 1024 if (osu_nai_len > end - pos) { 1025 wpa_printf(MSG_DEBUG, "HS 2.0: Not enough room for OSU_NAI"); 1026 return; 1027 } 1028 os_memcpy(prov->osu_nai, pos, osu_nai_len); 1029 pos += osu_nai_len; 1030 1031 /* OSU Service Description Length */ 1032 if (end - pos < 2) { 1033 wpa_printf(MSG_DEBUG, "HS 2.0: Not enough room for OSU " 1034 "Service Description Length"); 1035 return; 1036 } 1037 len2 = WPA_GET_LE16(pos); 1038 pos += 2; 1039 if (len2 > end - pos) { 1040 wpa_printf(MSG_DEBUG, "HS 2.0: Not enough room for OSU " 1041 "Service Description Duples"); 1042 return; 1043 } 1044 pos2 = pos; 1045 pos += len2; 1046 1047 /* OSU Service Description Duples */ 1048 while (pos - pos2 >= 4 && prov->serv_desc_count < OSU_MAX_ITEMS) { 1049 struct osu_lang_string *f; 1050 u8 descr_len; 1051 1052 descr_len = *pos2++; 1053 if (descr_len > pos - pos2 || descr_len < 3) { 1054 wpa_printf(MSG_DEBUG, "Invalid OSU Service " 1055 "Description"); 1056 break; 1057 } 1058 f = &prov->serv_desc[prov->serv_desc_count++]; 1059 os_memcpy(f->lang, pos2, 3); 1060 os_memcpy(f->text, pos2 + 3, descr_len - 3); 1061 pos2 += descr_len; 1062 } 1063 1064 wpa_printf(MSG_DEBUG, "HS 2.0: Added OSU Provider through " MACSTR, 1065 MAC2STR(bss->bssid)); 1066 wpa_s->osu_prov_count++; 1067 } 1068 1069 1070 void hs20_osu_icon_fetch(struct wpa_supplicant *wpa_s) 1071 { 1072 struct wpa_bss *bss; 1073 struct wpabuf *prov_anqp; 1074 const u8 *pos, *end; 1075 u16 len; 1076 const u8 *osu_ssid, *osu_ssid2; 1077 u8 osu_ssid_len, osu_ssid2_len; 1078 u8 num_providers; 1079 1080 hs20_free_osu_prov(wpa_s); 1081 1082 dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) { 1083 struct wpa_ie_data data; 1084 const u8 *ie; 1085 1086 if (bss->anqp == NULL) 1087 continue; 1088 prov_anqp = bss->anqp->hs20_osu_providers_list; 1089 if (prov_anqp == NULL) 1090 continue; 1091 ie = wpa_bss_get_ie(bss, WLAN_EID_RSN); 1092 if (ie && wpa_parse_wpa_ie(ie, 2 + ie[1], &data) == 0 && 1093 (data.key_mgmt & WPA_KEY_MGMT_OSEN)) { 1094 osu_ssid2 = bss->ssid; 1095 osu_ssid2_len = bss->ssid_len; 1096 } else { 1097 osu_ssid2 = NULL; 1098 osu_ssid2_len = 0; 1099 } 1100 wpa_printf(MSG_DEBUG, "HS 2.0: Parsing OSU Providers list from " 1101 MACSTR, MAC2STR(bss->bssid)); 1102 wpa_hexdump_buf(MSG_DEBUG, "HS 2.0: OSU Providers list", 1103 prov_anqp); 1104 pos = wpabuf_head(prov_anqp); 1105 end = pos + wpabuf_len(prov_anqp); 1106 1107 /* OSU SSID */ 1108 if (end - pos < 1) 1109 continue; 1110 if (1 + pos[0] > end - pos) { 1111 wpa_printf(MSG_DEBUG, "HS 2.0: Not enough room for " 1112 "OSU SSID"); 1113 continue; 1114 } 1115 osu_ssid_len = *pos++; 1116 if (osu_ssid_len > SSID_MAX_LEN) { 1117 wpa_printf(MSG_DEBUG, "HS 2.0: Invalid OSU SSID " 1118 "Length %u", osu_ssid_len); 1119 continue; 1120 } 1121 osu_ssid = pos; 1122 pos += osu_ssid_len; 1123 1124 if (end - pos < 1) { 1125 wpa_printf(MSG_DEBUG, "HS 2.0: Not enough room for " 1126 "Number of OSU Providers"); 1127 continue; 1128 } 1129 num_providers = *pos++; 1130 wpa_printf(MSG_DEBUG, "HS 2.0: Number of OSU Providers: %u", 1131 num_providers); 1132 1133 /* OSU Providers */ 1134 while (end - pos > 2 && num_providers > 0) { 1135 num_providers--; 1136 len = WPA_GET_LE16(pos); 1137 pos += 2; 1138 if (len > (unsigned int) (end - pos)) 1139 break; 1140 hs20_osu_add_prov(wpa_s, bss, osu_ssid, 1141 osu_ssid_len, osu_ssid2, 1142 osu_ssid2_len, pos, len); 1143 pos += len; 1144 } 1145 1146 if (pos != end) { 1147 wpa_printf(MSG_DEBUG, "HS 2.0: Ignored %d bytes of " 1148 "extra data after OSU Providers", 1149 (int) (end - pos)); 1150 } 1151 1152 prov_anqp = bss->anqp->hs20_osu_providers_nai_list; 1153 if (!prov_anqp) 1154 continue; 1155 wpa_printf(MSG_DEBUG, 1156 "HS 2.0: Parsing OSU Providers NAI List from " 1157 MACSTR, MAC2STR(bss->bssid)); 1158 wpa_hexdump_buf(MSG_DEBUG, "HS 2.0: OSU Providers NAI List", 1159 prov_anqp); 1160 pos = wpabuf_head(prov_anqp); 1161 end = pos + wpabuf_len(prov_anqp); 1162 num_providers = 0; 1163 while (end - pos > 0) { 1164 len = *pos++; 1165 if (end - pos < len) { 1166 wpa_printf(MSG_DEBUG, 1167 "HS 2.0: Not enough room for OSU_NAI"); 1168 break; 1169 } 1170 if (num_providers >= wpa_s->osu_prov_count) { 1171 wpa_printf(MSG_DEBUG, 1172 "HS 2.0: Ignore unexpected OSU Provider NAI List entries"); 1173 break; 1174 } 1175 os_memcpy(wpa_s->osu_prov[num_providers].osu_nai2, 1176 pos, len); 1177 pos += len; 1178 num_providers++; 1179 } 1180 } 1181 1182 wpa_s->fetch_osu_icon_in_progress = 1; 1183 hs20_next_osu_icon(wpa_s); 1184 } 1185 1186 1187 static void hs20_osu_scan_res_handler(struct wpa_supplicant *wpa_s, 1188 struct wpa_scan_results *scan_res) 1189 { 1190 wpa_printf(MSG_DEBUG, "OSU provisioning fetch scan completed"); 1191 if (!wpa_s->fetch_osu_waiting_scan) { 1192 wpa_printf(MSG_DEBUG, "OSU fetch have been canceled"); 1193 return; 1194 } 1195 wpa_s->network_select = 0; 1196 wpa_s->fetch_all_anqp = 1; 1197 wpa_s->fetch_osu_info = 1; 1198 wpa_s->fetch_osu_icon_in_progress = 0; 1199 1200 interworking_start_fetch_anqp(wpa_s); 1201 } 1202 1203 1204 int hs20_fetch_osu(struct wpa_supplicant *wpa_s, int skip_scan) 1205 { 1206 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) { 1207 wpa_printf(MSG_DEBUG, "HS 2.0: Cannot start fetch_osu - " 1208 "interface disabled"); 1209 return -1; 1210 } 1211 1212 if (wpa_s->scanning) { 1213 wpa_printf(MSG_DEBUG, "HS 2.0: Cannot start fetch_osu - " 1214 "scanning"); 1215 return -1; 1216 } 1217 1218 if (wpa_s->conf->osu_dir == NULL) { 1219 wpa_printf(MSG_DEBUG, "HS 2.0: Cannot start fetch_osu - " 1220 "osu_dir not configured"); 1221 return -1; 1222 } 1223 1224 if (wpa_s->fetch_anqp_in_progress || wpa_s->network_select) { 1225 wpa_printf(MSG_DEBUG, "HS 2.0: Cannot start fetch_osu - " 1226 "fetch in progress (%d, %d)", 1227 wpa_s->fetch_anqp_in_progress, 1228 wpa_s->network_select); 1229 return -1; 1230 } 1231 1232 wpa_msg(wpa_s, MSG_INFO, "Starting OSU provisioning information fetch"); 1233 wpa_s->num_osu_scans = 0; 1234 wpa_s->num_prov_found = 0; 1235 if (skip_scan) { 1236 wpa_s->network_select = 0; 1237 wpa_s->fetch_all_anqp = 1; 1238 wpa_s->fetch_osu_info = 1; 1239 wpa_s->fetch_osu_icon_in_progress = 0; 1240 1241 interworking_start_fetch_anqp(wpa_s); 1242 } else { 1243 hs20_start_osu_scan(wpa_s); 1244 } 1245 1246 return 0; 1247 } 1248 1249 1250 void hs20_start_osu_scan(struct wpa_supplicant *wpa_s) 1251 { 1252 wpa_s->fetch_osu_waiting_scan = 1; 1253 wpa_s->num_osu_scans++; 1254 wpa_s->scan_req = MANUAL_SCAN_REQ; 1255 wpa_s->scan_res_handler = hs20_osu_scan_res_handler; 1256 wpa_supplicant_req_scan(wpa_s, 0, 0); 1257 } 1258 1259 1260 void hs20_cancel_fetch_osu(struct wpa_supplicant *wpa_s) 1261 { 1262 wpa_printf(MSG_DEBUG, "Cancel OSU fetch"); 1263 interworking_stop_fetch_anqp(wpa_s); 1264 wpa_s->fetch_osu_waiting_scan = 0; 1265 wpa_s->network_select = 0; 1266 wpa_s->fetch_osu_info = 0; 1267 wpa_s->fetch_osu_icon_in_progress = 0; 1268 } 1269 1270 1271 void hs20_icon_fetch_failed(struct wpa_supplicant *wpa_s) 1272 { 1273 hs20_osu_icon_fetch_result(wpa_s, -1); 1274 eloop_cancel_timeout(hs20_continue_icon_fetch, wpa_s, NULL); 1275 eloop_register_timeout(0, 0, hs20_continue_icon_fetch, wpa_s, NULL); 1276 } 1277 1278 1279 void hs20_rx_subscription_remediation(struct wpa_supplicant *wpa_s, 1280 const char *url, u8 osu_method) 1281 { 1282 if (url) 1283 wpa_msg(wpa_s, MSG_INFO, HS20_SUBSCRIPTION_REMEDIATION "%u %s", 1284 osu_method, url); 1285 else 1286 wpa_msg(wpa_s, MSG_INFO, HS20_SUBSCRIPTION_REMEDIATION); 1287 } 1288 1289 1290 void hs20_rx_deauth_imminent_notice(struct wpa_supplicant *wpa_s, u8 code, 1291 u16 reauth_delay, const char *url) 1292 { 1293 if (!wpa_sm_pmf_enabled(wpa_s->wpa)) { 1294 wpa_printf(MSG_DEBUG, "HS 2.0: Ignore deauthentication imminent notice since PMF was not enabled"); 1295 return; 1296 } 1297 1298 wpa_msg(wpa_s, MSG_INFO, HS20_DEAUTH_IMMINENT_NOTICE "%u %u %s", 1299 code, reauth_delay, url); 1300 1301 if (code == HS20_DEAUTH_REASON_CODE_BSS) { 1302 wpa_printf(MSG_DEBUG, "HS 2.0: Add BSS to ignore list"); 1303 wpa_bssid_ignore_add(wpa_s, wpa_s->bssid); 1304 /* TODO: For now, disable full ESS since some drivers may not 1305 * support disabling per BSS. */ 1306 if (wpa_s->current_ssid) { 1307 struct os_reltime now; 1308 os_get_reltime(&now); 1309 if (now.sec + reauth_delay <= 1310 wpa_s->current_ssid->disabled_until.sec) 1311 return; 1312 wpa_printf(MSG_DEBUG, "HS 2.0: Disable network for %u seconds (BSS)", 1313 reauth_delay); 1314 wpa_s->current_ssid->disabled_until.sec = 1315 now.sec + reauth_delay; 1316 } 1317 } 1318 1319 if (code == HS20_DEAUTH_REASON_CODE_ESS && wpa_s->current_ssid) { 1320 struct os_reltime now; 1321 os_get_reltime(&now); 1322 if (now.sec + reauth_delay <= 1323 wpa_s->current_ssid->disabled_until.sec) 1324 return; 1325 wpa_printf(MSG_DEBUG, "HS 2.0: Disable network for %u seconds", 1326 reauth_delay); 1327 wpa_s->current_ssid->disabled_until.sec = 1328 now.sec + reauth_delay; 1329 } 1330 } 1331 1332 1333 void hs20_rx_t_c_acceptance(struct wpa_supplicant *wpa_s, const char *url) 1334 { 1335 if (!wpa_sm_pmf_enabled(wpa_s->wpa)) { 1336 wpa_printf(MSG_DEBUG, 1337 "HS 2.0: Ignore Terms and Conditions Acceptance since PMF was not enabled"); 1338 return; 1339 } 1340 1341 wpa_msg(wpa_s, MSG_INFO, HS20_T_C_ACCEPTANCE "%s", url); 1342 } 1343 1344 1345 void hs20_init(struct wpa_supplicant *wpa_s) 1346 { 1347 dl_list_init(&wpa_s->icon_head); 1348 } 1349 1350 1351 void hs20_deinit(struct wpa_supplicant *wpa_s) 1352 { 1353 eloop_cancel_timeout(hs20_continue_icon_fetch, wpa_s, NULL); 1354 hs20_free_osu_prov(wpa_s); 1355 if (wpa_s->icon_head.next) 1356 hs20_del_icon(wpa_s, NULL, NULL); 1357 } 1358