wpa_supplicant/hs20_supplicant.c

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